fc-magnetite: src/g23m-fad/ppp/ppp

annotate src/g23m-fad/ppp/ppp_ncpf.c @ 274:97b311bae21f

aci2: axed the CongiureGPIO_Internal() bogon left over from the original clueless attempt to implement AP interrupts in early Openmoko days

author	Mychaela Falconia <falcon@freecalypso.org>
date	Sun, 06 Aug 2017 19:17:16 +0000
parents	90eb61ecd093
children

rev	line source
174 90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 \| Project :
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 \| Modul :
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 \| Copyright 2002 Texas Instruments Berlin, AG
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 \| All rights reserved.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 \| This file is confidential and a trade secret of Texas
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 \| Instruments Berlin, AG
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 \| The receipt of or possession of this file does not convey
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 \| any rights to reproduce or disclose its contents or to
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 \| manufacture, use, or sell anything it may describe, in
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 \| whole, or in part, without the specific written consent of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 \| Texas Instruments Berlin, AG.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 \| Purpose : This modul is part of the entity PPP and implements all
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 \| procedures and functions as described in the
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 \| SDL-documentation (NCP-statemachine)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #define ENTITY_PPP
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 /==== INCLUDES =============================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27 #include "typedefs.h" /* to get Condat data types */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28 #include "vsi.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 #include "macdef.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30 #include "custom.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 #include "gsm.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 #include "prim.h" /* to get the definitions of used SAP and directions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 #include "dti.h" /* to get the DTILIB definitions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34 #include "ppp.h" /* to get the global entity definitions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 #include <string.h> /* to get memcpy */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37 #include "ppp_arbf.h" /* to get function interface from arb */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 /==== CONST ================================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41 #define TYPE_HC 2
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 #define TYPE_IP 3
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 #define TYPE_PDNS 129
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 #define TYPE_SDNS 131
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 #define TYPE_ADJUST 125
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 #define MASK_TYPE_HC TYPE_HC
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 #define MASK_TYPE_IP TYPE_IP
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 #define MASK_TYPE_PDNS (TYPE_PDNS - TYPE_ADJUST)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 #define MASK_TYPE_SDNS (TYPE_SDNS - TYPE_ADJUST)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 #define LENGTH_HC_VJ 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 #define LENGTH_HC_MAX LENGTH_HC_VJ
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54 #define LENGTH_IP 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55 #define LENGTH_PDNS 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 #define LENGTH_SDNS 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 #define NCP_CONF_REQ_LENGTH_MAX (4 + \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 LENGTH_HC_MAX + \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 LENGTH_IP + \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 LENGTH_PDNS + \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62 LENGTH_SDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 #define NCP_TERM_REQ_LENGTH 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 #define PPP_CSID_YES 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 /==== LOCAL VARS ===========================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 /==== PRIVATE FUNCTIONS ====================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 /==== PUBLIC FUNCTIONS =====================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 \| Function : ncp_init
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 \| Description : The function ncp_init() initialize Network Control Protocol
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81 \| Parameters : no parameters
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 GLOBAL void ncp_init ()
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 TRACE_FUNCTION( "ncp_init" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 * initialize values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 ppp_data->ncp.req_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 ppp_data->ncp.req_msid = PPP_MSID_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 ppp_data->ncp.req_ip = PPP_IP_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 ppp_data->ncp.req_pdns = PPP_PDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 ppp_data->ncp.req_sdns = PPP_SDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96 ppp_data->ncp.req_gateway = PPP_GATEWAY_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 ppp_data->ncp.s_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99 ppp_data->ncp.s_msid = PPP_MSID_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100 ppp_data->ncp.r_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 ppp_data->ncp.r_msid = PPP_MSID_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 ppp_data->ncp.n_ip = PPP_IP_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 ppp_data->ncp.n_pdns = PPP_PDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104 ppp_data->ncp.n_sdns = PPP_SDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 ppp_data->ncp.n_gateway = PPP_GATEWAY_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 ppp_data->ncp.s_rejected = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 ppp_data->ncp.nscri = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 ppp_data->ncp.nstri = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 ppp_data->ncp.nscji = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 ppp_data->ncp.scr=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 ppp_data->ncp.str=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 ppp_data->ncp.rcr=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 INIT_STATE( PPP_SERVICE_NCP , NCP_STATE );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 } /* ncp_init() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 \| Function : ncp_get_values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 \| Description : The function ncp_get_values() returns negotiated values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128 \| Parameters : ptr_hc - returns IP Header Compression
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 \| ptr_msid - returns max slot identifier
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130 \| ptr_ip - returns IP address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 \| ptr_pdns - returns primary DNS server address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 \| ptr_pdns - returns secondary DNS server address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 GLOBAL void ncp_get_values (UBYTE* ptr_hc, UBYTE* ptr_msid, ULONG* ptr_ip,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 ULONG* ptr_pdns, ULONG* ptr_sdns)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 TRACE_FUNCTION( "ncp_get_values" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 *ptr_hc = ppp_data->ncp.r_hc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 if(ppp_data->ncp.r_msid < ppp_data->ncp.s_msid)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143 *ptr_msid = ppp_data->ncp.r_msid;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 else
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 *ptr_msid = ppp_data->ncp.s_msid;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 *ptr_ip = ppp_data->ncp.n_ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 *ptr_pdns = ppp_data->ncp.n_pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 *ptr_sdns = ppp_data->ncp.n_sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 } /* ncp_get_values() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 \| Function : ncp_get_scr
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 \| Description : The function ncp_get_scr() creates a NCP Configure Request
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 \| packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 \| Parameters : ptr_packet - returns the Configure Request packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 \| THE MEMORY FOR THE PACKET WILL ALLOCATED BY
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 \| THIS FUNCTION
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 GLOBAL void ncp_get_scr (T_desc2** ptr_packet)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 T_desc2* ret_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 USHORT len_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 TRACE_FUNCTION( "ncp_get_scr" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 * Allocate the necessary size for the data descriptor. The size is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 * calculated as follows:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 * - take the size of a descriptor structure
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 * - subtract one because of the array buffer[1] to get the size of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 * descriptor control information
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 * - add number of octets of descriptor data
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 MALLOC (ret_desc, (USHORT)(sizeof(T_desc2) - 1 + NCP_CONF_REQ_LENGTH_MAX));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 * fill the packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 ret_desc->next=(ULONG)NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 pos=0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 * Code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 ret_desc->buffer[pos]=CODE_CONF_REQ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 * Identifier field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 ret_desc->buffer[pos]=ppp_data->ncp.nscri;/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 * Length field (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 len_pos=pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 * Header Compression Protocol (only server mode)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 if(((ppp_data->ncp.s_rejected & (1UL << MASK_TYPE_HC)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 (ppp_data->ncp.s_hc NEQ PPP_HC_DEFAULT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 if(ppp_data->ncp.s_hc EQ PPP_HC_VJ)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 ret_desc->buffer[pos] = TYPE_HC;/lint !e415 !e416 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 ret_desc->buffer[pos] = LENGTH_HC_VJ;/lint !e415 !e416 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 ret_desc->buffer[pos] = PROTOCOL_VJ_MSB;/lint !e415 !e416 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 ret_desc->buffer[pos] = PROTOCOL_VJ_LSB;/lint !e415 !e416 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221 ret_desc->buffer[pos] = ppp_data->ncp.s_msid;/lint !e415 !e416 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 ret_desc->buffer[pos] = PPP_CSID_YES;/lint !e415 !e416 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 * include additional header compression protocols
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 * IP Address (only client mode)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 if(((ppp_data->ncp.s_rejected & (1UL << MASK_TYPE_IP)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 (ppp_data->mode EQ PPP_CLIENT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 ret_desc->buffer[pos]=TYPE_IP;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 ret_desc->buffer[pos]=LENGTH_IP;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_ip >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_ip >> 16) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_ip >> 8) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_ip & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 * Gateway Address (only server mode)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 if(((ppp_data->ncp.s_rejected & (1UL << MASK_TYPE_IP)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 (ppp_data->ncp.n_gateway NEQ PPP_GATEWAY_DEFAULT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 ret_desc->buffer[pos]=TYPE_IP;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 ret_desc->buffer[pos]=LENGTH_IP;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_gateway >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_gateway >> 16) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_gateway >> 8) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_gateway & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 * Primary DNS address (only client mode)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 if(((ppp_data->ncp.s_rejected & (1UL << MASK_TYPE_PDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 (ppp_data->mode EQ PPP_CLIENT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 ret_desc->buffer[pos]=TYPE_PDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 ret_desc->buffer[pos]=LENGTH_PDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_pdns >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_pdns >> 16) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_pdns >> 8) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_pdns & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 * Secondary DNS address (only client mode)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 if(((ppp_data->ncp.s_rejected & (1UL << MASK_TYPE_SDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 (ppp_data->mode EQ PPP_CLIENT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 ret_desc->buffer[pos]=TYPE_SDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 ret_desc->buffer[pos]=LENGTH_SDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_sdns >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_sdns >> 16) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 ret_desc->buffer[pos]=(UBYTE)((ppp_data->ncp.n_sdns >> 8) & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 ret_desc->buffer[pos]=(UBYTE)(ppp_data->ncp.n_sdns & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 * insert packet length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 ret_desc->len=pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 ret_desc->buffer[len_pos]=(UBYTE)(pos >> 8);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 len_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 ret_desc->buffer[len_pos]=(UBYTE)(pos & 0x00ff);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 * return the created packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 ppp_data->ncp.scr=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 *ptr_packet=ret_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 } /* ncp_get_scr() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 \| Function : ncp_get_str
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 \| Description : The function ncp_get_str() creates a NCP Terminate Request
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 \| packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 \| Parameters : ptr_packet - returns the Terminate Request packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 \| THE MEMORY FOR THE PACKET WILL ALLOCATED BY
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 \| THIS FUNCTION
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 GLOBAL void ncp_get_str (T_desc2** ptr_packet)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 T_desc2* ret_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 TRACE_FUNCTION( "ncp_get_str" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 * Allocate the necessary size for the data descriptor. The size is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 * calculated as follows:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 * - take the size of a descriptor structure
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 * - subtract one because of the array buffer[1] to get the size of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 * descriptor control information
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 * - add number of octets of descriptor data
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 MALLOC (ret_desc, (USHORT)(sizeof(T_desc2) - 1 + NCP_TERM_REQ_LENGTH));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 * fill the packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 ret_desc->next = (ULONG)NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 ret_desc->len = NCP_TERM_REQ_LENGTH;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 pos = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 * Code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 ret_desc->buffer[pos] = CODE_TERM_REQ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 * Identifier field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 ret_desc->buffer[pos] = ppp_data->ncp.nstri;/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 * Length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 ret_desc->buffer[pos] = 0;/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 ret_desc->buffer[pos] = NCP_TERM_REQ_LENGTH;/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 * Data field contains the error code
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 ret_desc->buffer[pos] = (U8)((ppp_data->ppp_cause >> 8) & 0x00ff);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382 ret_desc->buffer[pos] = (U8)((ppp_data->ppp_cause) & 0x00ff);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 * return the created packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388 ppp_data->ncp.str = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 *ptr_packet = ret_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390 } /* ncp_get_str() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 \| Function : ncp_analyze_first_ipcp
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 \| Description : The function ncp_analyze_first_ipcp() determine whether the
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 \| given packet is a Configure Request packet. If so the function
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 \| analyzes the packet, sets some values in the data structure and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 \| returns the values for header comression.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 \| Parameters : packet - received packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 \| ptr_result - returns the result of the analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 \| ptr_hc - returns requested header compression
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 \| ptr_msid - returns requested max slot identifier
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 GLOBAL void ncp_analyze_first_ipcp(T_desc2* packet,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 UBYTE* ptr_result,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 UBYTE* ptr_hc,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 UBYTE* ptr_msid)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 UBYTE type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 USHORT analyzed;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 USHORT protocol_hc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 ULONG ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421 ULONG pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 ULONG sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 TRACE_FUNCTION( "ncp_analyze_first_ipcp" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427 * check whether it is a Configure Request packet and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 * for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 if((packet->buffer[0] NEQ CODE_CONF_REQ) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 (packet_len > packet->len) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 (packet_len < 4))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 *ptr_result = FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 * check consistence of length of packet and length of configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 pos=5;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 if(packet->buffer[pos] < 2)/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 *ptr_result = FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451 pos+= packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 if((pos - 1) NEQ packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 *ptr_result = FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 * analyze configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461 ppp_data->ncp.r_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 ppp_data->ncp.r_msid = PPP_MSID_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 ppp_data->ncp.n_ip = PPP_IP_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 ppp_data->ncp.n_pdns = PPP_PDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 ppp_data->ncp.n_sdns = PPP_SDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 pos=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 * analyzed is a bit field and marks all already analyzed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 * configuration options in order to reject all configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 * which are listed more than once
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 analyzed=0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475 type_len=packet->buffer[pos + 1];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 switch(packet->buffer[pos])/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 * yet supported configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 case TYPE_HC: /* Header Compression */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 protocol_hc = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 protocol_hc <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 protocol_hc+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485 if((analyzed & (1UL << MASK_TYPE_HC)) EQ 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 analyzed\|= (1UL << MASK_TYPE_HC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 * max slot identifier should be between 3 and 254
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490 * comp slot identifier may be compressed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 if((protocol_hc EQ DTI_PID_CTCP) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 (packet->buffer[pos + 4] >= 3) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 (packet->buffer[pos + 5] EQ PPP_CSID_YES))/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 ppp_data->ncp.r_hc = PPP_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 ppp_data->ncp.r_msid = packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 if(ppp_data->ncp.r_msid > 254)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499 ppp_data->ncp.r_msid = 254;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	501 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	502 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	503 case TYPE_IP:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	504 ip = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	505 ip = (ip << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	506 ip+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	507 ip = (ip << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	508 ip+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	509 ip = (ip << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	510 ip+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	511 if((analyzed & (1UL << MASK_TYPE_IP)) EQ 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	512 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	513 analyzed\|=(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	514 ppp_data->ncp.n_ip = ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	515 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	516 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	517 case TYPE_PDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	518 pdns = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	519 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	520 pdns+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	521 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522 pdns+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	523 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	524 pdns+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525 if((analyzed & (1UL << MASK_TYPE_PDNS)) EQ 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	526 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	527 analyzed\|=(1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	528 ppp_data->ncp.n_pdns = pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	529 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	530 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	531 case TYPE_SDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	532 sdns = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	533 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	534 sdns+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	535 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	536 sdns+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	537 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	538 sdns+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	539 if((analyzed & (1UL << MASK_TYPE_SDNS)) EQ 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	540 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	541 analyzed\|=(1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	542 ppp_data->ncp.n_sdns = sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	543 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	544 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	545 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	546 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	547 * not supported configuration options are not analysed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	548 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	549 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	550 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	551 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	552 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	553 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	554 * all configuration options analyzed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	555 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	556 *ptr_hc = ppp_data->ncp.r_hc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	557 *ptr_msid = ppp_data->ncp.r_msid;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	558 *ptr_result = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	559 } /* ncp_analyze_first_ipcp() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	560
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	561
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	563 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	564 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	565 \| Function : ncp_fill_out_packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	566 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	567 \| Description : The function ncp_fill_out_packet() puts a IPCP packet into
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	568 \| the protocol configuration list
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	569 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	570 \| Parameters : pco_buf - pco list buffer
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	571 \| ptr_pos - position where to write the IPCP packet, this value
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	572 \| must get back to the calling funtion
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	573 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	574 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	575 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	576 GLOBAL void ncp_fill_out_packet (UBYTE pco_buf[], USHORT* ptr_pos)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	577 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	578 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	579 USHORT len_pos1, len_pos2;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	580
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	581 TRACE_FUNCTION( "ncp_fill_out_packet" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	582
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	583 if((ppp_data->pco_mask & PPP_PCO_MASK_IPCP_HC) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	584 (ppp_data->pco_mask & PPP_PCO_MASK_IPCP_IP) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	585 (ppp_data->pco_mask & PPP_PCO_MASK_IPCP_PDNS) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	586 (ppp_data->pco_mask & PPP_PCO_MASK_IPCP_SDNS))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	587 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	588 pos=*ptr_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	589 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	590 * create the Configure-Request packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	591 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	592 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	593 * Protocol ID
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	594 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	595 pco_buf[pos] = PROTOCOL_IPCP_MSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	596 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	597 pco_buf[pos] = PROTOCOL_IPCP_LSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	598 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	599 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	600 * Length of Protocol contents (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	601 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	602 len_pos1 = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	603 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	604 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	605 * Code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	606 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	607 pco_buf[pos] = CODE_CONF_REQ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	608 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	609 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	610 * Identifier field (some value)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	611 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	612 pco_buf[pos] = 1;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	613 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	614 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	615 * Length field (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	616 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	617 len_pos2 = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	618 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	619 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	620
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	621 if(ppp_data->pco_mask & PPP_PCO_MASK_IPCP_HC)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	622 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	623 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	624 * Header Compression
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	625 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	626 if(ppp_data->ncp.r_hc EQ PPP_HC_VJ)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	627 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	628 pco_buf[pos] = TYPE_HC;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	629 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	630 pco_buf[pos] = LENGTH_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	631 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	632 pco_buf[pos] = PROTOCOL_VJ_MSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	633 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	634 pco_buf[pos] = PROTOCOL_VJ_LSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	635 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	636 pco_buf[pos] = ppp_data->ncp.r_msid;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	637 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	638 pco_buf[pos] = PPP_CSID_YES;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	639 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	640 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	641 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	642
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	643 if(ppp_data->pco_mask & PPP_PCO_MASK_IPCP_IP)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	644 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	645 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	646 * IP Address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	647 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	648 pco_buf[pos] = TYPE_IP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	649 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	650 pco_buf[pos] = LENGTH_IP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	651 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	652 pco_buf[pos] = (UBYTE)(ppp_data->ncp.n_ip >> 24);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	653 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	654 pco_buf[pos] = (UBYTE)((ppp_data->ncp.n_ip >> 16) & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	655 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	656 pco_buf[pos] = (UBYTE)((ppp_data->ncp.n_ip >> 8) & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	657 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	658 pco_buf[pos] = (UBYTE)(ppp_data->ncp.n_ip & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	659 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	660 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	661
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	662 if(ppp_data->pco_mask & PPP_PCO_MASK_IPCP_PDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	663 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	664 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	665 * primary DNS Address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	666 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	667 pco_buf[pos] = TYPE_PDNS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	668 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	669 pco_buf[pos] = LENGTH_PDNS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	670 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	671 pco_buf[pos] = (UBYTE)(ppp_data->ncp.n_pdns >> 24);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	672 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	673 pco_buf[pos] = (UBYTE)((ppp_data->ncp.n_pdns >> 16) & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	674 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	675 pco_buf[pos] = (UBYTE)((ppp_data->ncp.n_pdns >> 8) & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	676 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	677 pco_buf[pos] = (UBYTE)(ppp_data->ncp.n_pdns & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	678 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	679 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	680
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	681 if(ppp_data->pco_mask & PPP_PCO_MASK_IPCP_SDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	682 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	683 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	684 * secondary DNS Address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	685 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	686 pco_buf[pos] = TYPE_SDNS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	687 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	688 pco_buf[pos] = LENGTH_SDNS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	689 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	690 pco_buf[pos] = (UBYTE)(ppp_data->ncp.n_sdns >> 24);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	691 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	692 pco_buf[pos] = (UBYTE)((ppp_data->ncp.n_sdns >> 16) & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	693 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	694 pco_buf[pos] = (UBYTE)((ppp_data->ncp.n_sdns >> 8) & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	695 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	696 pco_buf[pos] = (UBYTE)(ppp_data->ncp.n_sdns & 0x000000ff);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	697 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	698 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	699
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	700 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	701 * insert packet length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	702 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	703 pco_buf[len_pos2] = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	704 len_pos2++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	705 pco_buf[len_pos2] = (UBYTE)(pos - len_pos2 + 3);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	706 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	707 * insert Length of Protocol Contents
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	708 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	709 pco_buf[len_pos1] = pco_buf[len_pos2];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	710
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	711 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	712 * return new position
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	713 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	714 *ptr_pos=pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	715 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	716
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	717 if(ppp_data->pco_mask & PPP_PCO_MASK_IPCP_GATEWAY)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	718 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	719 pos=*ptr_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	720 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	721 * create the Configure-NAK packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	722 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	723 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	724 * Protocol ID
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	725 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	726 pco_buf[pos] = PROTOCOL_IPCP_MSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	727 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	728 pco_buf[pos] = PROTOCOL_IPCP_LSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	729 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	730 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	731 * Length of Protocol contents (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	732 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	733 len_pos1 = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	734 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	735 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	736 * Code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	737 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	738 pco_buf[pos] = CODE_CONF_NAK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	739 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	740 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	741 * Identifier field (some value)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	742 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	743 pco_buf[pos] = 1;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	744 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	745 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	746 * Length field (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	747 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	748 len_pos2 = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	749 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	750 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	751
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	752 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	753 * dynamic Gateway Address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	754 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	755 pco_buf[pos] = TYPE_IP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	756 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	757 pco_buf[pos] = LENGTH_IP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	758 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	759 pco_buf[pos] = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	760 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	761 pco_buf[pos] = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	762 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	763 pco_buf[pos] = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	764 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	765 pco_buf[pos] = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	766 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	767
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	768 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	769 * insert packet length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	770 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	771 pco_buf[len_pos2] = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	772 len_pos2++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	773 pco_buf[len_pos2] = (UBYTE)(pos - len_pos2 + 3);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	774 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	775 * insert Length of Protocol Contents
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	776 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	777 pco_buf[len_pos1] = pco_buf[len_pos2];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	778
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	779 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	780 * return new position
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	781 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	782 *ptr_pos=pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	783 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	784 } /* ncp_fill_out_packet() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	785
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	786
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	787
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	788 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	789 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	790 \| Function : ncp_analyze_pco
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	791 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	792 \| Description : The function ncp_analyze_pco() analyzes the return packet from
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	793 \| PDP activation and determines the primary and secondary DNS
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	794 \| address and the Gateway address.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	795 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	796 \| Parameters : pco_buf - pointer to the protocol configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	797 \| pos - position where the IPCP packet starts
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	798 \| ptr_dns1 - returns primary DNS address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	799 \| ptr_dns2 - returns secondary DNS address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	800 \| ptr_gateway - returns Gateway address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	801 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	802 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	803 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	804 GLOBAL void ncp_analyze_pco (UBYTE pco_buf[],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	805 USHORT pos,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	806 ULONG* ptr_dns1,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	807 ULONG* ptr_dns2,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	808 ULONG* ptr_gateway)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	809 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	810 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	811 USHORT start_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	812 UBYTE type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	813 USHORT analyzed;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	814 ULONG pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	815 ULONG sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	816 ULONG gateway;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	817
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	818 TRACE_FUNCTION( "ncp_analyze_pco" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	819
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	820 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	821 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	822 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	823 pos+= 2;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	824 packet_len = pco_buf[pos + 3];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	825 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	826 packet_len+= pco_buf[pos + 4];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	827 if(packet_len NEQ pco_buf[pos])
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	828 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	829 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	830 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	831 * check of code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	832 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	833 if((pco_buf[pos] NEQ CODE_CONF_REQ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	834 (pco_buf[pos] NEQ CODE_CONF_NAK) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	835 (pco_buf[pos] NEQ CODE_CONF_ACK))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	836 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	837 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	838 * analyze configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	839 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	840 start_pos = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	841 pos+= 4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	842 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	843 * analyzed is a bit field and marks all already analyzed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	844 * configuration options in order to determine configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	845 * which are listed more than once
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	846 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	847 analyzed=0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	848 while((pos - start_pos) < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	849 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	850 type_len=pco_buf[pos + 1];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	851 switch(pco_buf[pos])
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	852 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	853 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	854 * search for IP configuration option
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	855 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	856 case TYPE_IP:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	857 gateway = pco_buf[pos + 2];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	858 gateway = (gateway << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	859 gateway+= pco_buf[pos + 3];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	860 gateway = (gateway << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	861 gateway+= pco_buf[pos + 4];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	862 gateway = (gateway << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	863 gateway+= pco_buf[pos + 5];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	864 if(((analyzed & (1UL << MASK_TYPE_IP)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	865 (*ptr_gateway EQ PPP_GATEWAY_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	866 (pco_buf[start_pos] EQ CODE_CONF_REQ))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	867 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	868 analyzed\|=(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	869 *ptr_gateway = gateway;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	870 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	871 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	872
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	873 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	874 * search for DNS configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	875 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	876 case TYPE_PDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	877 pdns = pco_buf[pos + 2];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	878 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	879 pdns+= pco_buf[pos + 3];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	880 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	881 pdns+= pco_buf[pos + 4];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	882 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	883 pdns+= pco_buf[pos + 5];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	884 if(((analyzed & (1UL << MASK_TYPE_PDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	885 (*ptr_dns1 EQ PPP_PDNS_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	886 ((pco_buf[start_pos] EQ CODE_CONF_NAK) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	887 (pco_buf[start_pos] EQ CODE_CONF_ACK)))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	888 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	889 analyzed\|=(1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	890 *ptr_dns1 = pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	891 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	892 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	893
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	894 case TYPE_SDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	895 sdns = pco_buf[pos + 2];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	896 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	897 sdns+= pco_buf[pos + 3];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	898 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	899 sdns+= pco_buf[pos + 4];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	900 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	901 sdns+= pco_buf[pos + 5];
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	902 if(((analyzed & (1UL << MASK_TYPE_SDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	903 (*ptr_dns2 EQ PPP_SDNS_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	904 ((pco_buf[start_pos] EQ CODE_CONF_NAK) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	905 (pco_buf[start_pos] EQ CODE_CONF_ACK)))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	906 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	907 analyzed\|=(1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	908 *ptr_dns2 = sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	909 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	910 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	911 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	912 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	913 * other configuration options are not analysed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	914 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	915 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	916 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	917 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	918 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	919 } /* ncp_analyze_pco() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	920
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	921
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	922
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	923 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	924 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	925 \| Function : ncp_rcr
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	926 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	927 \| Description : The function ncp_rcr() analyzes the given
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	928 \| Configure Request packet and returns either FORWARD_RCRP or
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	929 \| FORWARD_RCRN depend on the result of the analysis.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	930 \| The packet pointer points to an appropriate response packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	931 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	932 \| Parameters : ptr_packet - pointer to a Configure Request packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	933 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	934 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	935 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	936 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	937 GLOBAL void ncp_rcr (T_desc2** ptr_packet, UBYTE* isnew, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	938 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	939 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	940 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	941 UBYTE type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	942 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	943 USHORT copy_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	944 USHORT analyzed;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	945 UBYTE code_ret;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	946 UBYTE error_found;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	947 USHORT protocol_hc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	948 UBYTE csid;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	949 ULONG ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	950 ULONG pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	951 ULONG sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	952
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	953 TRACE_FUNCTION( "ncp_rcr" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	954
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	955 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	956 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	957 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	958 packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	959 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	960 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	961 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	962 if((packet_len > packet->len) \|\| (packet_len < 4))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	963 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	964 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	965 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	966 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	967 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	968 * check consistence of length of packet and length of configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	969 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	970 pos=5;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	971 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	972 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	973 if(packet->buffer[pos] < 2)/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	974 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	975 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	976 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	977 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	978 pos += packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	979 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	980 if((pos - 1) NEQ packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	981 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	982 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	983 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	984 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	985 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	986 * check whether it is a new identifier
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	987 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	988 *isnew=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	989 if((ppp_data->ncp.rcr) && (ppp_data->ncp.lrcri EQ packet->buffer[1]))/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	990 *isnew=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	991 ppp_data->ncp.lrcri=packet->buffer[1];/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	992 ppp_data->ncp.rcr=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	993 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	994 * analyze configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	995 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	996 ppp_data->ncp.r_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	997 ppp_data->ncp.r_msid = PPP_MSID_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	998 csid = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	999 if(ppp_data->mode EQ PPP_SERVER)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1000 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1001 ppp_data->ncp.n_ip = PPP_IP_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1002 ppp_data->ncp.n_pdns = PPP_PDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1003 ppp_data->ncp.n_sdns = PPP_SDNS_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1004 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1005 pos=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1006 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1007 * position where NAKed or Rejected configuration options are copied to
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1008 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1009 copy_pos=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1010 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1011 * code_ret contains actually the status of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1012 * states are CODE_CONF_ACK, CODE_CONF_NAK and CODE_CONF_REJ
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1013 * this state are also values for the Code-field in the return packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1014 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1015 code_ret=CODE_CONF_ACK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1016 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1017 * analyzed is a bit field and marks all already analyzed
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1018 * configuration options in order to reject all configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1019 * which are listed more than once
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1020 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1021 analyzed=0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1022 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1023 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1024 type_len=packet->buffer[pos + 1];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1025 switch(packet->buffer[pos])/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1026 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1027 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1028 * yet supported configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1029 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1030 case TYPE_HC: /* Header Compression */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1031 protocol_hc = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1032 protocol_hc <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1033 protocol_hc+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1034 if(protocol_hc EQ DTI_PID_CTCP)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1035 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1036 ppp_data->ncp.r_hc = PPP_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1037 ppp_data->ncp.r_msid = packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1038 csid = packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1039 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1040
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1041 switch(code_ret)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1042 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1043 case CODE_CONF_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1044 if(((analyzed & (1UL << MASK_TYPE_HC)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1045 (ppp_data->ncp.r_hc EQ ppp_data->ncp.req_hc))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1046 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1047 if((ppp_data->ncp.r_hc EQ PPP_HC_VJ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1048 (type_len EQ LENGTH_HC_VJ))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1049 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1050 if((ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1051 (ppp_data->ncp.r_msid >= ppp_data->ncp.s_msid) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1052 (csid EQ PPP_CSID_YES) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1053 (ppp_data->ncp.s_hc EQ PPP_HC_VJ))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1054 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1055 analyzed\|=(1UL << MASK_TYPE_HC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1056 pos+= LENGTH_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1057 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1058 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1059 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1060 * include here negotiation in client mode
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1061 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1062 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1063 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1064 * include here additional header compression protocols
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1065 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1066 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1067 code_ret=CODE_CONF_NAK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1068 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1069 case CODE_CONF_NAK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1070 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1071 * this configuration option will NAKed only if the compression
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1072 * protocol is not Van Jacobson Header Compression
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1073 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1074 if(((analyzed & (1UL << MASK_TYPE_HC)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1075 (ppp_data->ncp.req_hc NEQ PPP_HC_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1076 (ppp_data->ncp.s_hc EQ PPP_HC_VJ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1077 ((protocol_hc NEQ DTI_PID_CTCP) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1078 (type_len NEQ LENGTH_HC_VJ) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1079 ((ppp_data->ncp.r_msid >= ppp_data->ncp.s_msid) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1080 (csid EQ PPP_CSID_YES))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1081 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1082 analyzed\|= (1UL << MASK_TYPE_HC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1083
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1084 error_found = FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1085 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1086 * this implementation is only for server mode
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1087 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1088 if(type_len < LENGTH_HC_VJ)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1089 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1090 T_desc2* temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1091
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1092 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1093 * create a new larger packet and copy the content
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1094 * of the old packet into the new
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1095 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1096 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1097 + packet_len
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1098 + LENGTH_HC_VJ
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1099 - type_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1100 temp_desc->next = packet->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1101 temp_desc->len = packet_len + LENGTH_HC_VJ - type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1102 memcpy(temp_desc->buffer, packet->buffer, pos);/lint !e669 !e670 possible data overrun/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1103 memcpy(&temp_desc->buffer[pos + LENGTH_HC_VJ - type_len],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1104 &packet->buffer[pos],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1105 packet_len - pos);/lint !e662 !e669 !e670 possible creation of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1106 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1107 packet_len+= (LENGTH_HC_VJ - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1108 pos += (LENGTH_HC_VJ - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1109 packet = temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1110
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1111 error_found = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1112 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1113 else if(ppp_data->ncp.r_hc NEQ PPP_HC_VJ)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1114 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1115 error_found = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1116 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1117 else if(type_len > LENGTH_HC_VJ)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1118 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1119 error_found = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1120 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1121 if(error_found EQ TRUE)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1122 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1123 packet->buffer[copy_pos] = TYPE_HC;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1124 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1125 packet->buffer[copy_pos] = LENGTH_HC_VJ;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1126 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1127 packet->buffer[copy_pos] = PROTOCOL_VJ_MSB;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1128 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1129 packet->buffer[copy_pos] = PROTOCOL_VJ_LSB;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1130 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1131 packet->buffer[copy_pos] = ppp_data->ncp.req_msid;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1132 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1133 packet->buffer[copy_pos] = PPP_CSID_YES;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1134 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1135 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1136 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1137 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1138 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1139 code_ret = CODE_CONF_REJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1140 copy_pos = 4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1141 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1142 case CODE_CONF_REJ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1143 if(((analyzed & (1UL << MASK_TYPE_HC)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1144 (ppp_data->ncp.req_hc NEQ PPP_HC_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1145 (ppp_data->ncp.s_hc EQ PPP_HC_VJ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1146 ((ppp_data->ncp.s_rejected & (1UL << MASK_TYPE_HC)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1147 ((protocol_hc NEQ DTI_PID_CTCP) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1148 (type_len NEQ LENGTH_HC_VJ) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1149 ((ppp_data->ncp.r_msid >= ppp_data->ncp.s_msid) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1150 (csid EQ PPP_CSID_YES))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1151 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1152 analyzed\|= (1UL << MASK_TYPE_HC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1153 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1154 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1155 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1156 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1157 * set s_hc to default because we reject this configuration option
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1158 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1159 ppp_data->ncp.s_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1160 while(type_len > 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1161 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1162 packet->buffer[copy_pos]=packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1163 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1164 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1165 type_len--;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1166 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1167 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1168 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1169 TRACE_ERROR("Packet return code invalid");
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1170 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1171 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1172 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1173 case TYPE_IP:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1174 ip = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1175 ip = (ip << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1176 ip+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1177 ip = (ip << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1178 ip+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1179 ip = (ip << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1180 ip+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1181
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1182 switch(code_ret)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1183 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1184 case CODE_CONF_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1185 if(((analyzed & (1UL << MASK_TYPE_IP)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1186 (type_len EQ LENGTH_IP))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1187 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1188 if((ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1189 (((ip EQ ppp_data->ncp.req_ip) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1190 (ppp_data->ncp.req_ip NEQ PPP_IP_DEFAULT)) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1191 ((ip NEQ PPP_IP_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1192 (ppp_data->ncp.req_ip EQ PPP_IP_DEFAULT))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1193 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1194 analyzed\|=(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1195 ppp_data->ncp.n_ip = ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1196 pos+=LENGTH_IP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1197 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1198 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1199 else if((ppp_data->mode EQ PPP_CLIENT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1200 (ip NEQ PPP_IP_DEFAULT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1201 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1202 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1203 * accept Gateway address
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1204 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1205 analyzed\|=(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1206 ppp_data->ncp.n_gateway = ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1207 pos+=LENGTH_IP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1208 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1209 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1210 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1211 code_ret=CODE_CONF_NAK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1212 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1213 case CODE_CONF_NAK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1214 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1215 * this option will be rejected in following cases:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1216 * - occurence more than once
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1217 * - in client mode if received IP is dynamic
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1218 * - in server mode if received and requested IP are dynamic
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1219 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1220 if(((analyzed & (1UL << MASK_TYPE_IP)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1221 (((ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1222 ((ip NEQ ppp_data->ncp.req_ip) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1223 (ppp_data->ncp.req_ip NEQ PPP_IP_DEFAULT))) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1224 ((ppp_data->mode EQ PPP_CLIENT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1225 (ip NEQ PPP_IP_DEFAULT))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1226 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1227 analyzed\|=(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1228
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1229 error_found=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1230 if(type_len < LENGTH_IP)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1231 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1232 T_desc2* temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1233
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1234 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1235 * create a new larger packet and copy the content
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1236 * of the old packet into the new
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1237 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1238 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1239 + packet_len
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1240 + LENGTH_IP
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1241 - type_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1242 temp_desc->next = packet->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1243 temp_desc->len = packet_len + LENGTH_IP - type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1244 memcpy(temp_desc->buffer, packet->buffer, pos);/lint !e669 !e670 Possible data overrun/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1245 memcpy(&temp_desc->buffer[pos + LENGTH_IP - type_len],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1246 &packet->buffer[pos],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1247 packet_len - pos);/lint !e662 !e669 !e670 possible creation of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1248 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1249 packet_len += (LENGTH_IP - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1250 pos += (LENGTH_IP - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1251 packet = temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1252 error_found = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1253 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1254 else if((ip NEQ ppp_data->ncp.req_ip) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1255 (ppp_data->ncp.req_ip NEQ PPP_IP_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1256 (ppp_data->mode EQ PPP_SERVER))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1257 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1258 error_found=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1259 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1260 else if(type_len > LENGTH_IP)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1261 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1262 error_found=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1263 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1264 if(error_found EQ TRUE)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1265 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1266 packet->buffer[copy_pos]=TYPE_IP;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1267 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1268 packet->buffer[copy_pos]=LENGTH_IP;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1269 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1270 packet->buffer[copy_pos]=(UBYTE)(ppp_data->ncp.req_ip >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1271 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1272 packet->buffer[copy_pos]=(UBYTE)((ppp_data->ncp.req_ip >> 16)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1273 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1274 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1275 packet->buffer[copy_pos]=(UBYTE)((ppp_data->ncp.req_ip >> 8)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1276 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1277 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1278 packet->buffer[copy_pos]=(UBYTE)(ppp_data->ncp.req_ip
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1279 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1280 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1281 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1282 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1283 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1284 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1285 code_ret = CODE_CONF_REJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1286 copy_pos = 4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1287 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1288 case CODE_CONF_REJ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1289 if(((analyzed & (1UL << MASK_TYPE_IP)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1290 (((ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1291 ((ip NEQ ppp_data->ncp.req_ip) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1292 (ppp_data->ncp.req_ip NEQ PPP_IP_DEFAULT))) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1293 ((ppp_data->mode EQ PPP_CLIENT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1294 (ip NEQ PPP_IP_DEFAULT))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1295 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1296 analyzed\|=(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1297 pos+=type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1298 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1299 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1300 while(type_len > 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1301 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1302 packet->buffer[copy_pos]=packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1303 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1304 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1305 type_len--;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1306 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1307 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1308 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1309 TRACE_ERROR("Packet return code invalid");
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1310 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1311 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1312 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1313 case TYPE_PDNS: /* only in server mode allowed */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1314 pdns = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1315 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1316 pdns+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1317 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1318 pdns+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1319 pdns = (pdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1320 pdns+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1321
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1322 switch(code_ret)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1323 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1324 case CODE_CONF_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1325 if(((analyzed & (1UL << MASK_TYPE_PDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1326 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1327 (type_len EQ LENGTH_PDNS) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1328 (((pdns EQ ppp_data->ncp.req_pdns) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1329 (ppp_data->ncp.req_pdns NEQ PPP_PDNS_DEFAULT)) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1330 ((pdns NEQ PPP_PDNS_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1331 (ppp_data->ncp.req_pdns EQ PPP_PDNS_DEFAULT))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1332 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1333 analyzed\|=(1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1334 ppp_data->ncp.n_pdns = pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1335 pos+= LENGTH_PDNS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1336 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1337 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1338 code_ret=CODE_CONF_NAK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1339 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1340 case CODE_CONF_NAK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1341 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1342 * this option will be rejected in following cases:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1343 * - occurence more than once
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1344 * - client mode
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1345 * - received and requested PDNS are dynamic
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1346 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1347 if(((analyzed & (1UL << MASK_TYPE_PDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1348 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1349 ((pdns NEQ ppp_data->ncp.req_pdns) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1350 (ppp_data->ncp.req_pdns NEQ PPP_PDNS_DEFAULT)))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1351 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1352 analyzed\|=(1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1353
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1354 error_found=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1355 if(type_len < LENGTH_PDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1356 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1357 T_desc2* temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1358
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1359 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1360 * create a new larger packet and copy the content
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1361 * of the old packet into the new
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1362 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1363 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1364 + packet_len
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1365 + LENGTH_PDNS
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1366 - type_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1367 temp_desc->next = packet->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1368 temp_desc->len = packet_len + LENGTH_PDNS - type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1369 memcpy(temp_desc->buffer, packet->buffer, pos);/lint !e669 !e670 Possible data overrun/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1370 memcpy(&temp_desc->buffer[pos + LENGTH_PDNS - type_len],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1371 &packet->buffer[pos],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1372 packet_len - pos);/lint !e662 !e669 !e670 possible creation of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1373 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1374 packet_len += (LENGTH_PDNS - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1375 pos += (LENGTH_PDNS - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1376 packet = temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1377 error_found = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1378 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1379 else if((pdns NEQ ppp_data->ncp.req_pdns) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1380 (ppp_data->ncp.req_pdns NEQ PPP_PDNS_DEFAULT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1381 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1382 error_found=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1383 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1384 else if(type_len > LENGTH_PDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1385 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1386 error_found=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1387 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1388 if(error_found EQ TRUE)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1389 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1390 packet->buffer[copy_pos]=TYPE_PDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1391 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1392 packet->buffer[copy_pos]=LENGTH_PDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1393 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1394 packet->buffer[copy_pos]=(UBYTE)(ppp_data->ncp.req_pdns >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1395 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1396 packet->buffer[copy_pos]=(UBYTE)((ppp_data->ncp.req_pdns >> 16)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1397 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1398 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1399 packet->buffer[copy_pos]=(UBYTE)((ppp_data->ncp.req_pdns >> 8)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1400 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1401 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1402 packet->buffer[copy_pos]=(UBYTE)(ppp_data->ncp.req_pdns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1403 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1404 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1405 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1406 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1407 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1408 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1409 code_ret = CODE_CONF_REJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1410 copy_pos = 4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1411 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1412 case CODE_CONF_REJ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1413 if(((analyzed & (1UL << MASK_TYPE_PDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1414 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1415 ((pdns NEQ ppp_data->ncp.req_pdns) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1416 (ppp_data->ncp.req_pdns NEQ PPP_PDNS_DEFAULT)))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1417 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1418 analyzed\|=(1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1419 pos+=type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1420 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1421 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1422 while(type_len > 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1423 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1424 packet->buffer[copy_pos]=packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1425 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1426 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1427 type_len--;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1428 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1429 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1430 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1431 TRACE_ERROR("Packet return code invalid");
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1432 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1433 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1434 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1435 case TYPE_SDNS: /* only in server mode allowed */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1436 sdns = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1437 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1438 sdns+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1439 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1440 sdns+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1441 sdns = (sdns << 8);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1442 sdns+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1443
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1444 switch(code_ret)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1445 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1446 case CODE_CONF_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1447 if(((analyzed & (1UL << MASK_TYPE_SDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1448 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1449 (type_len EQ LENGTH_SDNS) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1450 (((sdns EQ ppp_data->ncp.req_sdns) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1451 (ppp_data->ncp.req_sdns NEQ PPP_SDNS_DEFAULT)) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1452 ((sdns NEQ PPP_SDNS_DEFAULT) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1453 (ppp_data->ncp.req_sdns EQ PPP_SDNS_DEFAULT))))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1454 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1455 analyzed\|=(1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1456 ppp_data->ncp.n_sdns = sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1457 pos+= LENGTH_SDNS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1458 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1459 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1460 code_ret=CODE_CONF_NAK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1461 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1462 case CODE_CONF_NAK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1463 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1464 * this option will be rejected in following cases:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1465 * - occurence more than once
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1466 * - client mode
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1467 * - received and requested SDNS are dynamic
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1468 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1469 if(((analyzed & (1UL << MASK_TYPE_SDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1470 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1471 ((sdns NEQ ppp_data->ncp.req_sdns) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1472 (ppp_data->ncp.req_sdns NEQ PPP_SDNS_DEFAULT)))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1473 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1474 analyzed\|=(1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1475
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1476 error_found=FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1477 if(type_len < LENGTH_SDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1478 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1479 T_desc2* temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1480
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1481 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1482 * create a new larger packet and copy the content
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1483 * of the old packet into the new
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1484 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1485 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1486 + packet_len
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1487 + LENGTH_SDNS
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1488 - type_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1489 temp_desc->next = packet->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1490 temp_desc->len = packet_len + LENGTH_SDNS - type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1491 memcpy(temp_desc->buffer, packet->buffer, pos);/lint !e669 !e670 Possible data overrun/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1492 memcpy(&temp_desc->buffer[pos + LENGTH_SDNS - type_len],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1493 &packet->buffer[pos],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1494 packet_len - pos);/lint !e662 !e669 !e670 possible creation of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1495 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1496 packet_len += (LENGTH_SDNS - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1497 pos += (LENGTH_SDNS - type_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1498 packet = temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1499 error_found = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1500 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1501 else if((sdns NEQ ppp_data->ncp.req_sdns) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1502 (ppp_data->ncp.req_sdns NEQ PPP_SDNS_DEFAULT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1503 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1504 error_found=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1505 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1506 else if(type_len > LENGTH_SDNS)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1507 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1508 error_found=TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1509 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1510 if(error_found EQ TRUE)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1511 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1512 packet->buffer[copy_pos]=TYPE_SDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1513 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1514 packet->buffer[copy_pos]=LENGTH_SDNS;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1515 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1516 packet->buffer[copy_pos]=(UBYTE)(ppp_data->ncp.req_sdns >> 24);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1517 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1518 packet->buffer[copy_pos]=(UBYTE)((ppp_data->ncp.req_sdns >> 16)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1519 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1520 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1521 packet->buffer[copy_pos]=(UBYTE)((ppp_data->ncp.req_sdns >> 8)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1522 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1523 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1524 packet->buffer[copy_pos]=(UBYTE)(ppp_data->ncp.req_sdns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1525 & 0x000000ff);/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1526 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1527 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1528 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1529 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1530 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1531 code_ret = CODE_CONF_REJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1532 copy_pos = 4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1533 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1534 case CODE_CONF_REJ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1535 if(((analyzed & (1UL << MASK_TYPE_SDNS)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1536 (ppp_data->mode EQ PPP_SERVER) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1537 ((sdns NEQ ppp_data->ncp.req_sdns) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1538 (ppp_data->ncp.req_sdns NEQ PPP_SDNS_DEFAULT)))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1539 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1540 analyzed\|=(1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1541 pos+=type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1542 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1543 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1544 while(type_len > 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1545 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1546 packet->buffer[copy_pos]=packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1547 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1548 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1549 type_len--;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1550 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1551 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1552 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1553 TRACE_ERROR("Packet return code invalid");
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1554 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1555 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1556 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1557 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1558 switch(code_ret)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1559 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1560 case CODE_CONF_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1561 case CODE_CONF_NAK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1562 code_ret=CODE_CONF_REJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1563 copy_pos=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1564 /* fall through */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1565 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1566 while(type_len > 0)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1567 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1568 packet->buffer[copy_pos]=packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1569 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1570 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1571 type_len--;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1572 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1573 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1574 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1575 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1576 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1577 if(((analyzed & (1UL << MASK_TYPE_HC)) EQ 0) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1578 (ppp_data->ncp.s_hc EQ PPP_HC_VJ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1579 (ppp_data->ncp.req_hc EQ PPP_HC_VJ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1580 (code_ret NEQ CODE_CONF_REJ))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1581 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1582 T_desc2* temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1583 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1584 * add header compression to the configure Nak packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1585 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1586 code_ret = CODE_CONF_NAK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1587 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1588 * create a new larger packet and copy the content
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1589 * of the old packet into the new
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1590 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1591 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1592 + packet_len
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1593 + LENGTH_HC_VJ));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1594 temp_desc->next = packet->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1595 temp_desc->len = packet_len + LENGTH_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1596 memcpy(temp_desc->buffer, packet->buffer, copy_pos);/lint !e669 !e670 Possible data overrun/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1597 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1598 packet_len+= LENGTH_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1599 packet = temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1600 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1601 * insert header compression option
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1602 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1603 packet->buffer[copy_pos] = TYPE_HC;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1604 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1605 packet->buffer[copy_pos] = LENGTH_HC_VJ;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1606 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1607 packet->buffer[copy_pos] = PROTOCOL_VJ_MSB;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1608 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1609 packet->buffer[copy_pos] = PROTOCOL_VJ_LSB;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1610 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1611 packet->buffer[copy_pos] = ppp_data->ncp.req_msid;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1612 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1613 packet->buffer[copy_pos] = PPP_CSID_YES;/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1614 copy_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1615 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1616 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1617 * set new Code field in return packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1618 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1619 packet->buffer[0]=code_ret;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1620 *ptr_packet=packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1621
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1622 if(copy_pos > 4)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1623 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1624 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1625 * some configuration options are not acceptable
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1626 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1627 *forward=FORWARD_RCRN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1628 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1629 * set new Length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1630 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1631 packet->len=copy_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1632 packet->buffer[2]=(UBYTE)(copy_pos >> 8);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1633 packet->buffer[3]=(UBYTE)(copy_pos & 0x00ff);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1634 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1635 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1636 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1637 * all configuration options are acceptable
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1638 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1639 *forward=FORWARD_RCRP;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1640 } /* ncp_rcr() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1641
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1642
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1643
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1644 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1645 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1646 \| Function : ncp_rca
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1647 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1648 \| Description : The function ncp_rca() checks whether the given
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1649 \| Configure Ack packet is valid and if so it returns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1650 \| FORWARD_RCA. Otherwise it returns FORWARD_DISCARD.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1651 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1652 \| Parameters : packet - Configure Ack packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1653 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1654 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1655 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1656 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1657 GLOBAL void ncp_rca (T_desc2* packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1658 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1659 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1660
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1661 TRACE_FUNCTION( "ncp_rca" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1662
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1663 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1664 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1665 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1666 if((packet_len < 4) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1667 (packet_len > packet->len) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1668 (ppp_data->ncp.scr EQ FALSE) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1669 (packet->buffer[1] NEQ ppp_data->ncp.nscri))/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1670 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1671 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1672 * invalid packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1673 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1674 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1675 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1676 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1677 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1678 * acceptable packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1679 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1680 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1681 ppp_data->ncp.nscri++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1682 *forward=FORWARD_RCA;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1683 } /* ncp_rca() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1684
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1685
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1686
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1687 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1688 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1689 \| Function : ncp_rcn
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1690 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1691 \| Description : The function ncp_rcn() analyze the given
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1692 \| Configure Nak packet, changes some requested values and returns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1693 \| FORWARD_RCN
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1694 \| The packet pointer points to an appropriate response packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1695 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1696 \| Parameters : ptr_packet - Configure Nak packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1697 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1698 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1699 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1700 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1701 GLOBAL void ncp_rcn (T_desc2** ptr_packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1702 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1703 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1704 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1705 UBYTE type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1706 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1707 USHORT protocol_hc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1708 ULONG ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1709 ULONG pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1710 ULONG sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1711
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1712 TRACE_FUNCTION( "ncp_rcn" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1713
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1714 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1715 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1716 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1717 packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1718 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1719 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1720 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1721 if((packet_len > packet->len) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1722 (packet_len < 4) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1723 (ppp_data->ncp.scr EQ FALSE) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1724 (packet->buffer[1] NEQ ppp_data->ncp.nscri))/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1725 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1726 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1727 * invalid packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1728 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1729 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1730 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1731 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1732 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1733 * check consistence of length of packet and length of configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1734 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1735 pos=5;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1736 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1737 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1738 if(packet->buffer[pos] < 2)/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1739 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1740 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1741 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1742 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1743 pos+= packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1744 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1745 if((pos - 1) NEQ packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1746 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1747 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1748 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1749 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1750 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1751 * analyze configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1752 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1753 pos=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1754 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1755 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1756 type_len=packet->buffer[pos + 1];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1757 switch(packet->buffer[pos])/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1758 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1759 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1760 * yet supported configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1761 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1762 case TYPE_HC:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1763 protocol_hc = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1764 protocol_hc <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1765 protocol_hc+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1766 if((protocol_hc EQ DTI_PID_CTCP) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1767 (ppp_data->ncp.req_hc EQ PPP_HC_VJ) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1768 (type_len EQ LENGTH_HC_VJ))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1769 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1770 ppp_data->ncp.s_rejected &= ~(1UL << MASK_TYPE_HC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1771 ppp_data->ncp.s_hc = PPP_HC_VJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1772 ppp_data->ncp.s_msid = ppp_data->ncp.req_msid;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1773 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1774 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1775 case TYPE_IP:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1776 ip = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1777 ip = ip << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1778 ip+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1779 ip = ip << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1780 ip+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1781 ip = ip << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1782 ip+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1783
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1784 if(type_len EQ LENGTH_IP)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1785 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1786 ppp_data->ncp.s_rejected &= ~(1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1787 if(ppp_data->mode EQ PPP_CLIENT)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1788 ppp_data->ncp.n_ip = ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1789 else if(ppp_data->ncp.req_gateway EQ PPP_GATEWAY_DEFAULT)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1790 ppp_data->ncp.n_gateway = ip;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1791 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1792 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1793 case TYPE_PDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1794 pdns = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1795 pdns = pdns << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1796 pdns+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1797 pdns = pdns << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1798 pdns+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1799 pdns = pdns << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1800 pdns+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1801
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1802 if((type_len EQ LENGTH_PDNS) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1803 (ppp_data->mode EQ PPP_CLIENT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1804 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1805 ppp_data->ncp.s_rejected &= ~(1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1806 ppp_data->ncp.n_pdns = pdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1807 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1808 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1809 case TYPE_SDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1810 sdns = packet->buffer[pos + 2];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1811 sdns = sdns << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1812 sdns+= packet->buffer[pos + 3];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1813 sdns = sdns << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1814 sdns+= packet->buffer[pos + 4];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1815 sdns = sdns << 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1816 sdns+= packet->buffer[pos + 5];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1817
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1818 if((type_len EQ LENGTH_SDNS) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1819 (ppp_data->mode EQ PPP_CLIENT))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1820 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1821 ppp_data->ncp.s_rejected &= ~(1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1822 ppp_data->ncp.n_sdns = sdns;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1823 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1824 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1825 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1826 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1827 * ignore unknown configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1828 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1829 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1830 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1831 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1832 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1833 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1834 * free this packet and create a new with changed configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1835 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1836 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1837 *forward=FORWARD_RCN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1838 ppp_data->ncp.nscri++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1839 ncp_get_scr(&packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1840 *ptr_packet=packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1841 } /* ncp_rcn() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1842
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1843
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1844
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1845 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1846 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1847 \| Function : ncp_rcj
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1848 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1849 \| Description : The function ncp_rcj() analyze the given
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1850 \| Configure Reject packet, marks some values as rejected and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1851 \| returns FORWARD_RCJ
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1852 \| The packet pointer points to an appropriate response packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1853 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1854 \| Parameters : ptr_packet - pointer to a Configure Reject packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1855 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1856 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1857 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1858 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1859 GLOBAL void ncp_rcj (T_desc2** ptr_packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1860 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1861 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1862 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1863 UBYTE type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1864 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1865
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1866 TRACE_FUNCTION( "ncp_rcj" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1867
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1868 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1869 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1870 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1871 packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1872 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1873 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1874 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1875 if((packet_len > packet->len) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1876 (packet_len < 4) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1877 (ppp_data->ncp.scr EQ FALSE) \|\|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1878 (packet->buffer[1] NEQ ppp_data->ncp.nscri))/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1879 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1880 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1881 * invalid packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1882 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1883 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1884 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1885 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1886 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1887 * check consistence of length of packet and length of configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1888 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1889 pos=5;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1890 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1891 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1892 if(packet->buffer[pos] < 2)/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1893 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1894 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1895 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1896 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1897 pos+= packet->buffer[pos];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1898 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1899 if((pos - 1) NEQ packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1900 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1901 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1902 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1903 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1904 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1905 * analyze configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1906 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1907 pos=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1908 while(pos < packet_len)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1909 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1910 type_len=packet->buffer[pos + 1];/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1911 switch(packet->buffer[pos])/lint !e662 !e661 possible creation and access of out-of-bounds pointer/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1912 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1913 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1914 * yet supported configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1915 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1916 case TYPE_HC:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1917 ppp_data->ncp.s_rejected\|= (1UL << MASK_TYPE_HC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1918 ppp_data->ncp.s_hc = PPP_HC_DEFAULT;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1919 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1920 case TYPE_IP:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1921 if (ppp_data->mode EQ PPP_CLIENT)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1922 { /* error: server has to support valid IP address */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1923 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1924 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1925 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1926 ppp_data->ncp.s_rejected \|= (1UL << MASK_TYPE_IP);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1927 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1928 case TYPE_PDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1929 ppp_data->ncp.s_rejected \|= (1UL << MASK_TYPE_PDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1930 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1931 case TYPE_SDNS:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1932 ppp_data->ncp.s_rejected \|= (1UL << MASK_TYPE_SDNS);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1933 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1934 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1935 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1936 * ignore unknown configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1937 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1938 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1939 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1940 pos+= type_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1941 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1942 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1943 * free this packet and create a new with changed configuration options
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1944 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1945 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1946 *forward=FORWARD_RCN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1947 ppp_data->ncp.nscri++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1948 ncp_get_scr(&packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1949 *ptr_packet=packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1950 } /* ncp_rcj() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1951
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1952
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1953
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1954 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1955 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1956 \| Function : ncp_rtr
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1957 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1958 \| Description : The function ncp_rtr() checks whether the given
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1959 \| Terminate Request packet is valid and if so it returns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1960 \| FORWARD_RCA. Otherwise it returns FORWARD_DISCARD.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1961 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1962 \| Parameters : ptr_packet - pointer to a Terminate Request packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1963 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1964 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1965 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1966 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1967 GLOBAL void ncp_rtr (T_desc2** ptr_packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1968 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1969 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1970 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1971
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1972 TRACE_FUNCTION( "ncp_rtr" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1973
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1974 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1975 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1976 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1977 packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1978 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1979 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1980 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1981 if((packet_len < 4) \|\| (packet_len > packet->len))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1982 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1983 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1984 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1985 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1986
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1987 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1988 * change code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1989 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1990 packet->buffer[0]=CODE_TERM_ACK;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1991
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1992 *forward=FORWARD_RTR;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1993 } /* ncp_rtr() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1994
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1995
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1996
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1997 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1998 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1999 \| Function : ncp_rta
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2000 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2001 \| Description : The function ncp_rta() checks whether the given
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2002 \| Terminate Ack packet is valid and if so it returns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2003 \| FORWARD_RTA. Otherwise it returns FORWARD_DISCARD.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2004 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2005 \| Parameters : packet - Terminate Ack packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2006 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2007 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2008 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2009 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2010 GLOBAL void ncp_rta (T_desc2* packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2011 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2012 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2013
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2014 TRACE_FUNCTION( "ncp_rta" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2015
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2016 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2017 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2018 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2019 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2020 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2021 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2022 if((packet_len < 4) \|\| (packet_len > packet->len))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2023 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2024 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2025 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2026 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2027
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2028 if((ppp_data->ncp.str EQ TRUE) &&
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2029 (packet->buffer[1] NEQ ppp_data->ncp.nstri))/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2030 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2031 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2032 * invalid packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2033 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2034 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2035 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2036 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2037 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2038 * acceptable packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2039 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2040 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2041 ppp_data->ncp.nstri++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2042 *forward=FORWARD_RTA;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2043 } /* ncp_rta() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2044
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2045
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2046
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2047 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2048 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2049 \| Function : ncp_rxj
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2050 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2051 \| Description : The function ncp_rxj() analyzes whether the given Code Reject
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2052 \| is acceptable. If not it returns FORWARD_RXJN.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2053 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2054 \| Parameters : ptr_packet - Pointer to a Code Reject packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2055 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2056 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2057 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2058 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2059 GLOBAL void ncp_rxj (T_desc2** ptr_packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2060 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2061 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2062 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2063
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2064 TRACE_FUNCTION( "ncp_rxj" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2065
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2066 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2067 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2068 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2069 packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2070 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2071 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2072 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2073 if((packet_len < 5) \|\| (packet_len > packet->len))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2074 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2075 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2076 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2077 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2078
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2079 switch(packet->buffer[4])/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2080 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2081 case CODE_CONF_REQ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2082 case CODE_CONF_REJ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2083 case CODE_CONF_NAK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2084 case CODE_CONF_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2085 case CODE_TERM_REQ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2086 case CODE_TERM_ACK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2087 case CODE_CODE_REJ:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2088 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2089 ncp_get_str(&packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2090 *ptr_packet = packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2091 *forward = FORWARD_RXJN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2092 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2093 default:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2094 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2095 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2096 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2097 } /* ncp_rxj() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2098
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2099
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2100
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2101 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2102 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2103 \| Function : ncp_ruc
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2104 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2105 \| Description : The function ncp_ruc() creates a Code Reject packet and returns
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2106 \| FORWARD_RUC.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2107 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2108 \| Parameters : ptr_packet - packet with unknown code
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2109 \| forward - returns result of analysis
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2110 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2111 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2112 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2113 GLOBAL void ncp_ruc (T_desc2** ptr_packet, UBYTE* forward)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2114 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2115 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2116 T_desc2* temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2117 USHORT packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2118
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2119 TRACE_FUNCTION( "ncp_ruc" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2120
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2121 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2122 * check for correct length field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2123 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2124 packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2125 packet_len = packet->buffer[2];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2126 packet_len <<= 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2127 packet_len+= packet->buffer[3];/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2128 if((packet->len < packet_len) \|\| (packet_len < 4))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2129 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2130 *forward=FORWARD_DISCARD;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2131 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2132 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2133
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2134 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2135 * create a new larger packet and copy the content
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2136 * of the old packet into the new
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2137 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2138 packet_len+=4;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2139 if(packet_len > PPP_MRU_MIN)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2140 packet_len = PPP_MRU_MIN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2141 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1 + packet_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2142
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2143 temp_desc->next = packet->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2144 temp_desc->len = packet_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2145 memcpy(&temp_desc->buffer[4], packet->buffer, packet_len - 4);/lint !e416 !e669 !e670 creation of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2146 arb_discard_packet(packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2147 packet = temp_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2148
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2149 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2150 * fill the first bytes to create a Code Reject
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2151 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2152 packet->buffer[0] = CODE_CODE_REJ;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2153 ppp_data->ncp.nscji++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2154 packet->buffer[1] = ppp_data->ncp.nscji;/lint !e415 access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2155 packet->buffer[2] = (UBYTE)(packet_len >> 8);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2156 packet->buffer[3] = (UBYTE)(packet_len & 0x00ff);/lint !e415 !e416 creation and access of out-of-bounds pointer /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2157
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2158 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2159 * set return values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2160 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2161 *ptr_packet=packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2162 *forward=FORWARD_RUC;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2163
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2164 } /* ncp_ruc() */

FreeCalypso > hg > fc-magnetite

annotate src/g23m-fad/ppp/ppp_ncpf.c @ 274:97b311bae21f