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

annotate src/g23m-fad/ppp/ppp_capf.c @ 172:a0f935d68377

targets: gtm900 added

author	Mychaela Falconia <falcon@freecalypso.org>
date	Wed, 19 Jun 2019 04:38:43 +0000
parents	d393cd9bb723
children

rev	line source
1 d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	1 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	2 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	3 \| Project :
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	4 \| Modul :
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	5 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	6 \| Copyright 2002 Texas Instruments Berlin, AG
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	7 \| All rights reserved.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	8 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	9 \| This file is confidential and a trade secret of Texas
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	10 \| Instruments Berlin, AG
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	11 \| The receipt of or possession of this file does not convey
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	12 \| any rights to reproduce or disclose its contents or to
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	13 \| manufacture, use, or sell anything it may describe, in
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	14 \| whole, or in part, without the specific written consent of
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	15 \| Texas Instruments Berlin, AG.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	16 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	17 \| Purpose : This modul is part of the entity PPP and implements all
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	18 \| procedures and functions as described in the
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	19 \| SDL-documentation (CHAP-statemachine)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	20 +-----------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	21 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	22
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	23 #ifndef PPP_CAPF_C
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	24 #define PPP_CAPF_C
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	25 #endif /* !PPP_CAPF_C */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	26
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	27 #define ENTITY_PPP
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	28
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	29 /==== INCLUDES =============================================================/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	30
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	31 #include "typedefs.h" /* to get Condat data types */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	32 #include "vsi.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	33 #include "macdef.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	34 #include "custom.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	35 #include "gsm.h" /* to get a lot of macros */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	36 #include "cnf_ppp.h" /* to get cnf-definitions */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	37 #include "mon_ppp.h" /* to get mon-definitions */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	38 #include "prim.h" /* to get the definitions of used SAP and directions */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	39 #include "dti.h" /* to get the DTILIB definitions */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	40 #include "ppp.h" /* to get the global entity definitions */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	41
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	42 #include "ppp_arbf.h" /* to get function interface from arb */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	43 #include <string.h> /* to get memcpy */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	44 #include <stdlib.h> /* to get rand */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	45 #include "cl_md5.h" /* to get MD5 routine from common library */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	46
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	47 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	48 #include <stdio.h> /* to get sprintf */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	49 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	50
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	51 /==== CONST ================================================================/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	52
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	53 #define CHAP_SUCCESS_LENGTH (4)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	54 #define CHAP_CHALLENGE_HEADER_SIZE (5)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	55
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	56 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	57 * maximum value length is 64 octets and additional packet header is 5 octets
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	58 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	59 #define CHAP_CHALLENGE_LEN_MAX_SERVER_MODE (64 + CHAP_CHALLENGE_HEADER_SIZE)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	60 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	61 * maximum value length is 5 octets for packet header + 16 octets for hash value
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	62 * calculated by MD5 algorithm + login name length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	63 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	64
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	65 #define CHAP_RESPONSE_LEN_MAX_CLIENT_MODE (CHAP_CHALLENGE_HEADER_SIZE + \
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	66 CHAP_MSG_DIGEST_LEN + \
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	67 PPP_LOGIN_NAME_LENGTH)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	68
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	69 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	70 * the response packet must be passable to the ISP in protocol configuration
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	71 * options (pco). The maximum length of pco is
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	72 * 251 octets (253 - 2 (identification overhead) = 251). There must also be
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	73 * space for other protocol packet, like LCP and IPCP.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	74 * LCP needs
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	75 * 15 octets (3 (overhead pco) + 4 (overhead packet) + 4 (mru) + 4
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	76 * (authentication protocol PAP) = 15) for server packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	77 * 11 octets (3 (overhead pco) + 4 (overhead packet) + 4 (mru) = 11) for
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	78 * client packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	79 * IPCP needs
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	80 * 31 octets (3 (overhead pco) + 4 (overhead packet) + 6 (IP address) + 6
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	81 * (VJ header compression) + 6 (primary DNS) + 6 (secondary DNS) = 31) for
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	82 * client packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	83 * 13 octets (3 (overhead pco) + 4 (overhead packet) + 6
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	84 * (Gateway address) = 13) for gateway address packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	85 * CHAP needs
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	86 * 3 octets for pco overhead and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	87 * CHAP_CHALLENGE_LENGTH_MAX for challenge packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	88 * 3 octets for pco overhead for response packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	89 * The max. user login name legth is
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	90 * - for client mode 25 octets
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	91 * - for server mode
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	92 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	93 #define CHAP_RESPONSE_LEN_MAX_SERVER_MODE (251 - 15 - 11 - 31 - 13 - 3 - \
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	94 CHAP_CHALLENGE_LEN_MAX_SERVER_MODE\
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	95 - 3)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	96 #define CHAP_CHALLENGE_LEN_MAX_CLIENT_MODE (251 - 15 - 11 - 31 - 13 - 3 - \
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	97 CHAP_RESPONSE_LEN_MAX_CLIENT_MODE\
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	98 - 3)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	99
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	100
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	101 #define CHAP_FAILURE_TEXT "response packet to long"
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	102 #define CHAP_FAILURE_TEXT_LENGTH sizeof(CHAP_FAILURE_TEXT)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	103 #define CHAP_FAILURE_LENGTH (4 + CHAP_FAILURE_TEXT_LENGTH)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	104
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	105
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	106 /==== LOCAL VARS ===========================================================/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	107
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	108 /==== PRIVATE FUNCTIONS ====================================================/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	109
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	110 /==== PUBLIC FUNCTIONS =====================================================/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	111
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	112
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	113
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	114 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	115 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	116 \| Function : chap_init
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	117 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	118 \| Description : The function chap_init() initializes Challenge Handshake
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	119 \| Authentication Protocol
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	120 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	121 \| Parameters : no parameter
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	122 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	123 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	124 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	125 GLOBAL void chap_init ()
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	126 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	127 T_TIME time_val;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	128
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	129 TRACE_FUNCTION( "chap_init" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	130
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	131 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	132 * initialize random generator
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	133 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	134 vsi_t_time (VSI_CALLER &time_val);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	135 srand((USHORT) time_val);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	136 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	137 * initialize values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	138 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	139 ppp_data->chap.counter = 0; /* counter for timer restart */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	140 ppp_data->chap.nci = 0; /* new challenge identifier */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	141 ppp_data->chap.sc = FALSE; /* indic. for sending of Challenge packet*/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	142 ppp_data->chap.rc = FALSE; /* indic. for receiving of Challenge pack*/
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	143 ppp_data->chap.sr = FALSE; /* indic. for sending of Respons packet */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	144 ppp_data->chap.rs = FALSE; /* indic. for receiving of Success packet */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	145 ppp_data->chap.c_packet = NULL; /* CHAP Challenge packet (server mode) */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	146 ppp_data->chap.r_packet = NULL; /* CHAP Response packet (server mode) */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	147 /* CHAP and PAP authentication values */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	148 memset((UBYTE*)&ppp_data->login, 0, sizeof(T_login));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	149
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	150 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	151 * Set CHAP service state to CHAP_DOWN
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	152 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	153 INIT_STATE( PPP_SERVICE_CHAP , CHAP_DOWN );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	154
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	155 } /* chap_init() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	156
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	157
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	158
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	159 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	160 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	161 \| Function : chap_fill_out_packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	162 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	163 \| Description : The function chap_fill_out_packet() puts a CHAP Challenge and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	164 \| a CHAP Response packet into the protocol configuration list
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	165 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	166 \| Parameters : pco_buf - pco list buffer
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	167 \| ptr_pos - position where to write the CHAP packets, this value
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	168 \| must get back to the calling funtion
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	169 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	170 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	171 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	172 GLOBAL void chap_fill_out_packet (UBYTE pco_buf[], USHORT* ptr_pos)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	173 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	174 USHORT pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	175
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	176 TRACE_FUNCTION( "chap_fill_out_packet" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	177
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	178 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	179 TRACE_EVENT_P3("parameters: pco_buf[]: %08x, ptr_pos: %08x, pos: %d",
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	180 pco_buf, ptr_pos, *ptr_pos);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	181 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	182 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	183 * copy stored challenge packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	184 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	185 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	186 * Protocol ID
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	187 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	188 pos = *ptr_pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	189 pco_buf[pos] = PROTOCOL_CHAP_MSB;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	190 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	191 pco_buf[pos] = PROTOCOL_CHAP_LSB;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	192 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	193 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	194 * Length of Protocol contents
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	195 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	196 pco_buf[pos] = (UBYTE)ppp_data->chap.c_packet->len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	197 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	198 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	199 * copy packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	200 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	201 memcpy(&pco_buf[pos],
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	202 ppp_data->chap.c_packet->buffer,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	203 ppp_data->chap.c_packet->len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	204 pos += ppp_data->chap.c_packet->len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	205 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	206 * copy stored response packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	207 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	208 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	209 * Protocol ID
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	210 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	211 pco_buf[pos] = PROTOCOL_CHAP_MSB;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	212 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	213 pco_buf[pos] = PROTOCOL_CHAP_LSB;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	214 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	215 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	216 * Length of Protocol contents
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	217 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	218 pco_buf[pos] = (UBYTE)ppp_data->chap.r_packet->len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	219 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	220 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	221 * copy packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	222 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	223 memcpy(&pco_buf[pos],
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	224 ppp_data->chap.r_packet->buffer,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	225 ppp_data->chap.r_packet->len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	226 pos += ppp_data->chap.r_packet->len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	227 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	228 * Free memory and clear flags
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	229 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	230 arb_discard_packet(ppp_data->chap.r_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	231 ppp_data->chap.r_packet = NULL;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	232 ppp_data->chap.sr = FALSE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	233 arb_discard_packet(ppp_data->chap.c_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	234 ppp_data->chap.c_packet = NULL;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	235 ppp_data->chap.rc = FALSE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	236
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	237 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	238 * return new position
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	239 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	240 *ptr_pos=pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	241 } /* chap_fill_out_packet() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	242
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	243
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	244
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	245 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	246 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	247 \| Function : chap_get_sc
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	248 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	249 \| Description : The function chap_get_sc() returns a CHAP Challenge packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	250 \| stores a copy of this packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	251 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	252 \| Parameters : ptr_packet - returns the Challenge packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	253 \| THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	254 \| THIS FUNCTION
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	255 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	256 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	257 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	258 GLOBAL void chap_get_sc (T_desc2** ptr_packet)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	259 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	260 T_desc2* ret_desc;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	261 USHORT len_pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	262 USHORT pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	263 UBYTE i;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	264 UBYTE value_size;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	265
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	266 TRACE_FUNCTION( "chap_get_sc" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	267 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	268 * set new identifier
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	269 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	270 ppp_data->chap.nci++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	271 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	272 * random value length 16 to 64 octets
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	273 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	274 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	275 value_size = 16;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	276 #else /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	277 value_size = (UBYTE)(rand() % 49) + 16;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	278 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	279 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	280 * Allocate the necessary size for the data descriptor. The size is
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	281 * calculated as follows:
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	282 * - take the size of a descriptor structure
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	283 * - subtract one because of the array buffer[1] to get the size of
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	284 * descriptor control information
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	285 * - add number of octets of descriptor data (value+header)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	286 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	287 MALLOC(ret_desc, (USHORT)(sizeof(T_desc2) - 1
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	288 + value_size + CHAP_CHALLENGE_HEADER_SIZE));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	289 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	290 * fill the packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	291 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	292 ret_desc->next = (ULONG)NULL;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	293 pos = 0;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	294 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	295 * Code field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	296 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	297 ret_desc->buffer[pos] = CODE_CHALLENGE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	298 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	299 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	300 * Identifier field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	301 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	302 ret_desc->buffer[pos] = ppp_data->chap.nci;/lint !e415 (Warning -- access of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	303 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	304 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	305 * Length field (store the position)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	306 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	307 len_pos = pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	308 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	309 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	310 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	311 * value length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	312 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	313 ret_desc->buffer[pos] = value_size;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	314 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	315 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	316 * values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	317 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	318 for(i=0; i < value_size; i++)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	319 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	320 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	321 ret_desc->buffer[pos] = (UBYTE)(i);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	322 #else /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	323 ret_desc->buffer[pos] = (UBYTE)(rand() & 0xff);/lint !e661 !e662 (Warning -- Possible access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	324 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	325 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	326 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	327 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	328 * insert packet length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	329 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	330 ret_desc->len = pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	331 ret_desc->buffer[len_pos] = (UBYTE)(pos >> 8);/lint !e661 !e662 (Warning -- Possible access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	332 len_pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	333 ret_desc->buffer[len_pos] = (UBYTE)(pos & 0x00ff);/lint !e661 !e662 (Warning -- Possible access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	334 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	335 * create second packet to store the values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	336 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	337 arb_discard_packet(ppp_data->chap.c_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	338 MALLOC (ppp_data->chap.c_packet, (USHORT)(sizeof(T_desc2) - 1
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	339 + value_size + CHAP_CHALLENGE_HEADER_SIZE));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	340 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	341 * make a copy of the first packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	342 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	343 ppp_data->chap.c_packet->next = ret_desc->next;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	344 ppp_data->chap.c_packet->len = ret_desc->len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	345 memcpy(ppp_data->chap.c_packet->buffer, ret_desc->buffer, ret_desc->len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	346 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	347 * return the first packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	348 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	349 ppp_data->chap.sc = TRUE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	350 *ptr_packet = ret_desc;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	351
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	352 } /* chap_get_sc() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	353
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	354 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	355 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	356 \| Function : chap_get_sr
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	357 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	358 \| Description : The function chap_get_sr() returns a CHAP Response packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	359 \| stores a copy of this packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	360 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	361 \| Parameters : ptr_packet - returns the Response packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	362 \| THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	363 \| THIS FUNCTION
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	364 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	365 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	366 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	367 GLOBAL void chap_get_sr (T_desc2** ptr_packet)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	368 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	369 T_desc2 ret_packet, md5_pack;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	370 USHORT len_pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	371 USHORT md5_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	372 USHORT pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	373 UBYTE value_size;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	374 T_desc2* packet = *ptr_packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	375
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	376 TRACE_FUNCTION( "chap_get_sr" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	377
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	378 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	379 * Allocate the necessary size for the data descriptor. The size is
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	380 * calculated as follows:
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	381 * - take the size of a descriptor structure
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	382 * - subtract one because of the array buffer[1] to get the size of
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	383 * descriptor control information
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	384 * - add number of octets of descriptor data
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	385 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	386 MALLOC(ret_packet, (USHORT)(sizeof(T_desc2) - 1 + CHAP_MSG_DIGEST_LEN
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	387 + ppp_data->login.name_len));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	388 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	389 * fill the packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	390 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	391 ret_packet->next = (ULONG)NULL;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	392 pos = 0;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	393 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	394 * Code field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	395 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	396 ret_packet->buffer[pos] = CODE_RESPONSE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	397 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	398 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	399 * Identifier field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	400 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	401 ret_packet->buffer[pos] = ppp_data->chap.nci;/lint !e415 (Warning -- access of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	402 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	403 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	404 * Length field (store the position)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	405 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	406 len_pos = pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	407 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	408 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	409 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	410 * Value length: output of MD5 routine is always
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	411 * CHAP_MSG_DIGEST_LEN := 16 Bytes
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	412 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	413 value_size = CHAP_MSG_DIGEST_LEN;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	414 ret_packet->buffer[pos] = value_size;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	415 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	416
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	417 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	418 * Values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	419 * Message digest
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	420 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	421 md5_len = 1 + ppp_data->login.password_len + packet->buffer[4];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	422 MALLOC(md5_pack, (USHORT)(sizeof(T_desc2) - 1 + md5_len));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	423
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	424 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	425 * Build string to pass to MD5 routine:
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	426 * identifier + user password + challenge message
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	427 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	428 md5_pack->buffer[0] = ppp_data->chap.nci;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	429 memcpy(&md5_pack->buffer[1], ppp_data->login.password,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	430 ppp_data->login.password_len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	431 memcpy(&md5_pack->buffer[ppp_data->login.password_len+1],
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	432 &packet->buffer[5], packet->buffer[4]);/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	433 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	434 * Call MD5 routine
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	435 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	436 cl_md5(md5_pack->buffer, md5_len, &ret_packet->buffer[pos]);/lint !e416 (Warning -- creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	437 pos += CHAP_MSG_DIGEST_LEN;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	438 MFREE(md5_pack);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	439 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	440 * insert user name
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	441 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	442 memcpy(&ret_packet->buffer[pos], ppp_data->login.name,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	443 ppp_data->login.name_len);/lint !e416 (Warning -- creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	444 pos += ppp_data->login.name_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	445 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	446 * insert packet length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	447 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	448 ret_packet->len = pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	449 ret_packet->buffer[len_pos] = (UBYTE)(pos >> 8);/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	450 len_pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	451 ret_packet->buffer[len_pos] = (UBYTE)(pos & 0x00ff);/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	452
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	453 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	454 * return the first packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	455 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	456 ppp_data->chap.sr = TRUE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	457 *ptr_packet = ret_packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	458
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	459 } /* chap_get_sr() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	460
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	461
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	462 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	463 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	464 \| Function : chap_get_ss
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	465 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	466 \| Description : The function chap_get_ss() returns a CHAP Success packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	467 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	468 \| Parameters : ptr_packet - returns the CHAP Success packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	469 \| THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	470 \| THIS FUNCTION
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	471 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	472 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	473 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	474 GLOBAL void chap_get_ss (T_desc2** ptr_packet)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	475 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	476 T_desc2* packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	477 USHORT pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	478
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	479 TRACE_FUNCTION( "chap_get_ss" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	480
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	481 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	482 * Allocate the necessary size for the data descriptor. The size is
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	483 * calculated as follows:
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	484 * - take the size of a descriptor structure
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	485 * - subtract one because of the array buffer[1] to get the size of
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	486 * descriptor control information
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	487 * - add number of octets of descriptor data
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	488 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	489 MALLOC (packet, (USHORT)(sizeof(T_desc2) - 1 + CHAP_SUCCESS_LENGTH));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	490 packet->len = CHAP_SUCCESS_LENGTH;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	491 packet->next=(ULONG)NULL;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	492 pos=0;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	493 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	494 * code field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	495 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	496 packet->buffer[pos] = CODE_SUCCESS;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	497 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	498 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	499 * identifier field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	500 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	501 packet->buffer[pos] = ppp_data->chap.nci;/lint !e415 (Warning -- creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	502 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	503 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	504 * length field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	505 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	506 packet->buffer[pos] = 0;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	507 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	508 packet->buffer[pos] = CHAP_SUCCESS_LENGTH;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	509 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	510 * return created packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	511 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	512 *ptr_packet = packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	513 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	514 * Announce successful CHAP authentification
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	515 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	516 TRACE_EVENT("PPP CHAP: authentification successful");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	517 } /* chap_get_ss() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	518
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	519
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	520
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	521 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	522 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	523 \| Function : chap_rc
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	524 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	525 \| Description : The function chap_rc() checks whether the given Challenge
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	526 \| packet is valid and if so it returns FORWARD_RC and a
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	527 \| Response packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	528 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	529 \| Parameters : ptr_packet - Challenge packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	530 \| forward - returns result of analysis
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	531 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	532 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	533 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	534 GLOBAL void chap_rc (T_desc2** ptr_packet, UBYTE* forward)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	535 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	536 T_desc2* packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	537 USHORT packet_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	538 USHORT pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	539
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	540 TRACE_FUNCTION( "chap_rc" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	541
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	542 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	543 * this packet can only be reveiced in client mode
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	544 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	545 if(ppp_data->mode NEQ PPP_CLIENT)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	546 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	547 TRACE_EVENT("PPP CHAP: unexpected CHAP challenge packet in client mode");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	548 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	549 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	550 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	551 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	552 * check correct length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	553 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	554 packet = *ptr_packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	555 packet_len = packet->buffer[2] << 8;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	556 packet_len \|= packet->buffer[3];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	557 if((packet_len < 5) \|\| (packet_len > packet->len))
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	558 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	559 TRACE_EVENT("PPP CHAP: invalid CHAP challenge packet length");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	560 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	561 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	562 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	563 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	564 * check consistence of length of packet and length of log on information,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	565 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	566 pos=4;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	567 pos+= packet->buffer[pos];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	568 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	569 if(pos > packet_len \|\| packet_len > CHAP_CHALLENGE_LEN_MAX_CLIENT_MODE)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	570 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	571 TRACE_EVENT_P1("PPP CHAP: invalid value size %d in CHAP challenge packet",
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	572 packet_len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	573 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	574 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	575 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	576 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	577 * Check if challenge was received already, the length are equal,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	578 * the identifier wasn't change or if the challenge value is the same
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	579 * to the packet before.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	580 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	581 if((ppp_data->chap.rc) &&
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	582 (packet->buffer[4] EQ ppp_data->chap.c_packet->buffer[4]))/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	583 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	584 if((ppp_data->chap.nci EQ packet->buffer[1]) \|\|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	585 (!memcmp(&packet->buffer[5],
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	586 &ppp_data->chap.c_packet->buffer[5],
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	587 packet->buffer[4])))/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	588 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	589 TRACE_EVENT("PPP CHAP: repeated CHAP challenge packet");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	590 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	591 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	592 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	593 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	594
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	595 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	596 * store identifier
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	597 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	598 ppp_data->chap.nci = packet->buffer[1];/lint !e415 (Warning -- creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	599 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	600 * store challenge packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	601 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	602 arb_discard_packet(ppp_data->chap.c_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	603 ppp_data->chap.c_packet = packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	604 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	605 * set indicators
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	606 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	607 ppp_data->chap.rc = TRUE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	608 ppp_data->chap.sr = FALSE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	609 ppp_data->chap.rs = FALSE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	610 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	611 * create Response packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	612 * set return values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	613 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	614 chap_get_sr(ptr_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	615 *forward=FORWARD_RC;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	616
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	617 } /* chap_rc() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	618
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	619
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	620
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	621 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	622 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	623 \| Function : chap_rr
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	624 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	625 \| Description : The function chap_rr() checks whether the given Response
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	626 \| packet is valid and if so it returns FORWARD_RRP and a
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	627 \| Success packet.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	628 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	629 \| Parameters : ptr_packet - Response packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	630 \| forward - returns result of analysis
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	631 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	632 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	633 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	634 GLOBAL void chap_rr (T_desc2** ptr_packet, UBYTE* forward)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	635 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	636 T_desc2* packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	637 USHORT packet_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	638 USHORT pos;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	639
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	640 TRACE_FUNCTION( "chap_rr" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	641 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	642 * this packet can only reveiced in server mode
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	643 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	644 if(ppp_data->mode NEQ PPP_SERVER)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	645 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	646 TRACE_EVENT("PPP CHAP: unexpected CHAP Response Packet in client mode");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	647 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	648 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	649 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	650 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	651 * check correct length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	652 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	653 packet = *ptr_packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	654 packet_len = packet->buffer[2];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	655 packet_len = packet_len << 8;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	656 packet_len+= packet->buffer[3];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	657 if((packet_len < 5) \|\| (packet_len > packet->len))
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	658 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	659 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	660 TRACE_EVENT_P1("PPP CHAP: invalid Response Packet length %d",packet_len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	661 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	662 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	663
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	664 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	665 * check consistence of length of packet and length of log on information,
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	666 * check for identifier field and whether a Challenge packet was sent
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	667 *
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	668 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	669 pos=4;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	670 pos+= packet->buffer[pos];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	671 pos++;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	672 #ifdef TRACE_USER_NAME
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	673 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	674 UBYTE *user_name;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	675 USHORT i;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	676 USHORT name_len = packet_len - 5 - packet->buffer[4];
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	677 MALLOC(user_name, name_len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	678 memcpy(user_name, &packet->buffer[packet_len - name_len - 1], name_len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	679 TRACE_EVENT("PPP CHAP: user name:");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	680 for(i = 0; i < name_len; i++)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	681 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	682 TRACE_EVENT_P1(" %c ", user_name[i]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	683 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	684 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	685 #endif /TRACE_USER_NAME /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	686 if((pos > packet_len) \|\|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	687 (packet->buffer[1] NEQ ppp_data->chap.nci) \|\|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	688 (ppp_data->chap.sc EQ FALSE))/lint !e415 (Warning -- creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	689 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	690 TRACE_EVENT("PPP CHAP: invalid value size or unexpected Response Packet");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	691 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	692 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	693 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	694
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	695 #ifdef TEST_MD5
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	696 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	697 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	698 * For testing set dual-up connection password to "test password"
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	699 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	700 UBYTE test_pwd[14] = "test password";
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	701 T_desc2 md5_pack, c_pack;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	702 USHORT md5_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	703 UBYTE digest[16];
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	704 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	705 * Values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	706 * Message digest
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	707 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	708 c_pack = ppp_data->chap.c_packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	709 md5_len = 1 + 13 + c_pack->buffer[4];
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	710 MALLOC(md5_pack, (USHORT)(sizeof(T_desc2) - 1 + md5_len));
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	711 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	712 * Build string to pass to MD5 routine:
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	713 * identifier + user password + challenge message
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	714 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	715 md5_pack->buffer[0] = ppp_data->chap.nci;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	716 memcpy(&md5_pack->buffer[1], test_pwd, 14);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	717 memcpy(&md5_pack->buffer[14+1], &c_pack->buffer[5], c_pack->buffer[4]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	718 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	719 * Call MD5 routine
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	720 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	721 cl_md5(md5_pack->buffer, md5_len, &digest[0]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	722 if(memcmp(&packet->buffer[5], digest, 16))
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	723 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	724 TRACE_EVENT("CHAP ERROR: invalid msg digest in received response");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	725 } else {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	726 TRACE_EVENT("CHAP INFO: MD5 test OK");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	727 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	728 MFREE(md5_pack);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	729 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	730 #endif /* TEST_MD5 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	731
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	732
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	733 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	734 * store authentication packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	735 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	736 if(packet_len > CHAP_RESPONSE_LEN_MAX_SERVER_MODE)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	737 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	738 TRACE_EVENT_P1("PPP CHAP: invalid Response Packet length %d, send failure",
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	739 packet_len);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	740 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	741 * create Failure packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	742 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	743 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	744 * change code field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	745 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	746 packet->buffer[0] = CODE_FAILURE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	747 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	748 * change length field
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	749 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	750 packet->buffer[2] = 0;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	751 packet->buffer[3] = CHAP_FAILURE_LENGTH;/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	752 packet->len = CHAP_FAILURE_LENGTH;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	753 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	754 * fill out Message
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	755 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	756 /lint -e419 (Warning -- data overrun) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	757 memcpy(&packet->buffer[4], CHAP_FAILURE_TEXT, CHAP_FAILURE_TEXT_LENGTH);/lint !e416 (Warning -- creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	758 /lint +e419 (Warning -- data overrun) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	759 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	760 * set return values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	761 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	762 *forward=FORWARD_RRN;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	763 *ptr_packet = packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	764 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	765 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	766 arb_discard_packet(ppp_data->chap.r_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	767 ppp_data->chap.r_packet = packet;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	768 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	769 * create Success packet and
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	770 * set return values
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	771 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	772 chap_get_ss(ptr_packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	773 *forward=FORWARD_RRP;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	774 } /* chap_rr() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	775
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	776
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	777
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	778 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	779 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	780 \| Function : chap_rs
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	781 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	782 \| Description : The function chap_rs() checks whether the given Success
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	783 \| packet is valid and if so it returns FORWARD_RS.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	784 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	785 \| Parameters : packet - Success packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	786 \| forward - returns result of analysis
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	787 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	788 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	789 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	790 GLOBAL void chap_rs (T_desc2* packet, UBYTE* forward)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	791 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	792 USHORT packet_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	793
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	794 TRACE_FUNCTION( "chap_rs" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	795
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	796 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	797 * this packet can only reveiced in client mode
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	798 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	799 if(ppp_data->mode NEQ PPP_CLIENT)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	800 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	801 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	802 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	803 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	804
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	805 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	806 * check correct length and identifier
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	807 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	808 packet_len = packet->buffer[2];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	809 packet_len = packet_len << 8;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	810 packet_len+= packet->buffer[3];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	811 if(packet_len > packet->len \|\|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	812 ppp_data->chap.nci != packet->buffer[1])/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	813 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	814 TRACE_EVENT("PPP CHAP: invalid CHAP Success");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	815 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	816 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	817 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	818 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	819 * check if Response was sent.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	820 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	821 if(!ppp_data->chap.sr)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	822 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	823 TRACE_EVENT("PPP CHAP: unexpected CHAP Success");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	824 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	825 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	826 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	827
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	828 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	829 * free authentication packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	830 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	831 arb_discard_packet(packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	832 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	833 * set return value
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	834 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	835 ppp_data->chap.rs = TRUE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	836 *forward=FORWARD_RS;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	837 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	838 * Announce successful CHAP authentification
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	839 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	840 TRACE_EVENT("PPP CHAP: authentification successful");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	841
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	842 } /* chap_rs() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	843
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	844
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	845
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	846 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	847 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	848 \| Function : chap_rf
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	849 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	850 \| Description : The function chap_rf() checks whether the given Failure
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	851 \| packet is valid and if so it returns FORWARD_RF.
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	852 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	853 \| Parameters : packet - Failure packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	854 \| forward - returns result of analysis
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	855 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	856 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	857 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	858 GLOBAL void chap_rf (T_desc2* packet, UBYTE* forward)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	859 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	860 USHORT packet_len;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	861
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	862 TRACE_FUNCTION( "chap_rf" );
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	863
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	864 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	865 * this packet can only reveiced in client mode
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	866 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	867 if(ppp_data->mode NEQ PPP_CLIENT)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	868 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	869 TRACE_EVENT("PPP CHAP: unexpected Failure packet in server mode");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	870 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	871 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	872 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	873 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	874 * check correct length
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	875 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	876 packet_len = packet->buffer[2];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	877 packet_len = packet_len << 8;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	878 packet_len+= packet->buffer[3];/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	879 if(packet_len > packet->len)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	880 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	881 TRACE_EVENT("PPP CHAP: invalid Failure packet length");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	882 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	883 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	884 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	885 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	886 * Check identifier
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	887 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	888 if(ppp_data->chap.nci != packet->buffer[1])/lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) /
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	889 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	890 TRACE_EVENT("PPP CHAP: invalid identifier in Failure packet");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	891 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	892 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	893 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	894 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	895 * Check if Success was already received
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	896 * or if Response was not sent yet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	897 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	898 if(ppp_data->chap.rs \|\| !ppp_data->chap.sr)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	899 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	900 TRACE_EVENT("PPP CHAP: unexpected Failure");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	901 *forward=FORWARD_DISCARD;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	902 return;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	903 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	904 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	905 * free Failure packet and reset Response receiving flag
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	906 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	907 arb_discard_packet(packet);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	908 ppp_data->chap.sr = FALSE;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	909 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	910 * set return value
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	911 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	912 *forward=FORWARD_RF;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	913 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	914 * Announce failed CHAP authentification
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	915 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	916 TRACE_EVENT("PPP CHAP: authentification failed");
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	917
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	918 } /* chap_rf() */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	919
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	920 #ifdef _SIMULATION_
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	921 /*
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	922 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	923 \| Function : ppp_trace_desc
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	924 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	925 \| Description : The function traces desc
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	926 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	927 \| Parameters : packet - tracing packet
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	928 \|
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	929 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	930 */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	931 GLOBAL void ppp_trace_desc (T_desc2* packet)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	932 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	933 UINT i=0;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	934 UBYTE *buf=&packet->buffer[0];
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	935
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	936
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	937 while(i < packet->len)
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	938 {
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	939 if((i+4) < packet->len){
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	940 TRACE_EVENT_P4("0x%02x, 0x%02x, 0x%02x, 0x%02x,",
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	941 buf[i], buf[i+1],buf[i+2],buf[i+3]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	942 i+=4;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	943 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	944 else if((i+3) < packet->len){
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	945 TRACE_EVENT_P3("0x%02x, 0x%02x, 0x%02x,",
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	946 buf[i], buf[i+1],buf[i+2]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	947 i+=3;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	948 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	949 else if((i+2) < packet->len){
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	950 TRACE_EVENT_P2("0x%02x, 0x%02x,",buf[i],buf[i+1]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	951 i+=2;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	952 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	953 else if((i+1) <= packet->len){
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	954 TRACE_EVENT_P1("0x%02x, ",buf[i]);
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	955 i+=1;
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	956 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	957 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	958 }
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	959 #endif /* _SIMULATION_ */
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	960
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	961
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	962
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	963
d393cd9bb723 src/g23m-: initial import from Magnetite Mychaela Falconia <falcon@freecalypso.org>* parents: diff changeset	964

FreeCalypso > hg > fc-selenite

annotate src/g23m-fad/ppp/ppp_capf.c @ 172:a0f935d68377