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

author	Mychaela Falconia <falcon@freecalypso.org>
date	Tue, 24 Jul 2018 04:22:51 +0000 (2018-07-24)
parents	90eb61ecd093
children

rev	line source
174 90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 \| Project :
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 \| Modul :
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 \| Copyright 2002 Texas Instruments Berlin, AG
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 \| All rights reserved.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 \| This file is confidential and a trade secret of Texas
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 \| Instruments Berlin, AG
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 \| The receipt of or possession of this file does not convey
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 \| any rights to reproduce or disclose its contents or to
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 \| manufacture, use, or sell anything it may describe, in
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 \| whole, or in part, without the specific written consent of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 \| Texas Instruments Berlin, AG.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 \| Purpose : This modul is part of the entity PPP and implements all
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 \| procedures and functions as described in the
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 \| SDL-documentation (CHAP-statemachine)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 +-----------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #ifndef PPP_CAPF_C
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24 #define PPP_CAPF_C
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 #endif /* !PPP_CAPF_C */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27 #define ENTITY_PPP
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 /==== INCLUDES =============================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 #include "typedefs.h" /* to get Condat data types */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 #include "vsi.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 #include "macdef.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34 #include "custom.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 #include "gsm.h" /* to get a lot of macros */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 #include "cnf_ppp.h" /* to get cnf-definitions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37 #include "mon_ppp.h" /* to get mon-definitions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38 #include "prim.h" /* to get the definitions of used SAP and directions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 #include "dti.h" /* to get the DTILIB definitions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 #include "ppp.h" /* to get the global entity definitions */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 #include "ppp_arbf.h" /* to get function interface from arb */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 #include <string.h> /* to get memcpy */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 #include <stdlib.h> /* to get rand */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 #include "cl_md5.h" /* to get MD5 routine from common library */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 #ifdef _SIMULATION_
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 #include <stdio.h> /* to get sprintf */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 #endif /* _SIMULATION_ */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51 /==== CONST ================================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 #define CHAP_SUCCESS_LENGTH (4)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54 #define CHAP_CHALLENGE_HEADER_SIZE (5)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57 * maximum value length is 64 octets and additional packet header is 5 octets
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 #define CHAP_CHALLENGE_LEN_MAX_SERVER_MODE (64 + CHAP_CHALLENGE_HEADER_SIZE)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 * maximum value length is 5 octets for packet header + 16 octets for hash value
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62 * calculated by MD5 algorithm + login name length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 #define CHAP_RESPONSE_LEN_MAX_CLIENT_MODE (CHAP_CHALLENGE_HEADER_SIZE + \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 CHAP_MSG_DIGEST_LEN + \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 PPP_LOGIN_NAME_LENGTH)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 * the response packet must be passable to the ISP in protocol configuration
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 * options (pco). The maximum length of pco is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72 * 251 octets (253 - 2 (identification overhead) = 251). There must also be
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 * space for other protocol packet, like LCP and IPCP.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 * LCP needs
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 * 15 octets (3 (overhead pco) + 4 (overhead packet) + 4 (mru) + 4
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 * (authentication protocol PAP) = 15) for server packet and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 * 11 octets (3 (overhead pco) + 4 (overhead packet) + 4 (mru) = 11) for
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 * client packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 * IPCP needs
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 * 31 octets (3 (overhead pco) + 4 (overhead packet) + 6 (IP address) + 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81 * (VJ header compression) + 6 (primary DNS) + 6 (secondary DNS) = 31) for
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 * client packet and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 * 13 octets (3 (overhead pco) + 4 (overhead packet) + 6
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 * (Gateway address) = 13) for gateway address packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 * CHAP needs
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 * 3 octets for pco overhead and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 * CHAP_CHALLENGE_LENGTH_MAX for challenge packet and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 * 3 octets for pco overhead for response packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 * The max. user login name legth is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 * - for client mode 25 octets
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 * - for server mode
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 #define CHAP_RESPONSE_LEN_MAX_SERVER_MODE (251 - 15 - 11 - 31 - 13 - 3 - \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 CHAP_CHALLENGE_LEN_MAX_SERVER_MODE\
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 - 3)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96 #define CHAP_CHALLENGE_LEN_MAX_CLIENT_MODE (251 - 15 - 11 - 31 - 13 - 3 - \
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 CHAP_RESPONSE_LEN_MAX_CLIENT_MODE\
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 - 3)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 #define CHAP_FAILURE_TEXT "response packet to long"
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 #define CHAP_FAILURE_TEXT_LENGTH sizeof(CHAP_FAILURE_TEXT)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 #define CHAP_FAILURE_LENGTH (4 + CHAP_FAILURE_TEXT_LENGTH)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106 /==== LOCAL VARS ===========================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108 /==== PRIVATE FUNCTIONS ====================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 /==== PUBLIC FUNCTIONS =====================================================/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116 \| Function : chap_init
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 \| Description : The function chap_init() initializes Challenge Handshake
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119 \| Authentication Protocol
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 \| Parameters : no parameter
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 GLOBAL void chap_init ()
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 T_TIME time_val;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 TRACE_FUNCTION( "chap_init" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 * initialize random generator
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 vsi_t_time (VSI_CALLER &time_val);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135 srand((USHORT) time_val);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 * initialize values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 ppp_data->chap.counter = 0; /* counter for timer restart */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140 ppp_data->chap.nci = 0; /* new challenge identifier */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 ppp_data->chap.sc = FALSE; /* indic. for sending of Challenge packet*/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 ppp_data->chap.rc = FALSE; /* indic. for receiving of Challenge pack*/
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143 ppp_data->chap.sr = FALSE; /* indic. for sending of Respons packet */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 ppp_data->chap.rs = FALSE; /* indic. for receiving of Success packet */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 ppp_data->chap.c_packet = NULL; /* CHAP Challenge packet (server mode) */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 ppp_data->chap.r_packet = NULL; /* CHAP Response packet (server mode) */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 /* CHAP and PAP authentication values */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 memset((UBYTE*)&ppp_data->login, 0, sizeof(T_login));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151 * Set CHAP service state to CHAP_DOWN
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 INIT_STATE( PPP_SERVICE_CHAP , CHAP_DOWN );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 } /* chap_init() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 \| Function : chap_fill_out_packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 \| Description : The function chap_fill_out_packet() puts a CHAP Challenge and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 \| a CHAP Response packet into the protocol configuration list
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 \| Parameters : pco_buf - pco list buffer
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 \| ptr_pos - position where to write the CHAP packets, this value
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 \| must get back to the calling funtion
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 GLOBAL void chap_fill_out_packet (UBYTE pco_buf[], USHORT* ptr_pos)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 TRACE_FUNCTION( "chap_fill_out_packet" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 #ifdef _SIMULATION_
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 TRACE_EVENT_P3("parameters: pco_buf[]: %08x, ptr_pos: %08x, pos: %d",
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 pco_buf, ptr_pos, *ptr_pos);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 #endif /* _SIMULATION_ */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 * copy stored challenge packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 * Protocol ID
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 pos = *ptr_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 pco_buf[pos] = PROTOCOL_CHAP_MSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 pco_buf[pos] = PROTOCOL_CHAP_LSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 * Length of Protocol contents
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 pco_buf[pos] = (UBYTE)ppp_data->chap.c_packet->len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 * copy packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 memcpy(&pco_buf[pos],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 ppp_data->chap.c_packet->buffer,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 ppp_data->chap.c_packet->len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 pos += ppp_data->chap.c_packet->len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 * copy stored response packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 * Protocol ID
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 pco_buf[pos] = PROTOCOL_CHAP_MSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 pco_buf[pos] = PROTOCOL_CHAP_LSB;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 * Length of Protocol contents
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 pco_buf[pos] = (UBYTE)ppp_data->chap.r_packet->len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221 * copy packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 memcpy(&pco_buf[pos],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 ppp_data->chap.r_packet->buffer,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 ppp_data->chap.r_packet->len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 pos += ppp_data->chap.r_packet->len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 * Free memory and clear flags
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 arb_discard_packet(ppp_data->chap.r_packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 ppp_data->chap.r_packet = NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 ppp_data->chap.sr = FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 arb_discard_packet(ppp_data->chap.c_packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 ppp_data->chap.c_packet = NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 ppp_data->chap.rc = FALSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 * return new position
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 *ptr_pos=pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 } /* chap_fill_out_packet() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 \| Function : chap_get_sc
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 \| Description : The function chap_get_sc() returns a CHAP Challenge packet and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 \| stores a copy of this packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 \| Parameters : ptr_packet - returns the Challenge packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 \| THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 \| THIS FUNCTION
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 GLOBAL void chap_get_sc (T_desc2** ptr_packet)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260 T_desc2* ret_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 USHORT len_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 UBYTE i;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 UBYTE value_size;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 TRACE_FUNCTION( "chap_get_sc" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 * set new identifier
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 ppp_data->chap.nci++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 * random value length 16 to 64 octets
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 #ifdef _SIMULATION_
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 value_size = 16;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 #else /* _SIMULATION_ */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 value_size = (UBYTE)(rand() % 49) + 16;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 #endif /* _SIMULATION_ */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 * Allocate the necessary size for the data descriptor. The size is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 * calculated as follows:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 * - take the size of a descriptor structure
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 * - subtract one because of the array buffer[1] to get the size of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284 * descriptor control information
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 * - add number of octets of descriptor data (value+header)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 MALLOC(ret_desc, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 + value_size + CHAP_CHALLENGE_HEADER_SIZE));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 * fill the packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 ret_desc->next = (ULONG)NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 pos = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 * Code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 ret_desc->buffer[pos] = CODE_CHALLENGE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 * Identifier field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 * Length field (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 len_pos = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 * value length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 * values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 for(i=0; i < value_size; i++)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320 #ifdef _SIMULATION_
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 ret_desc->buffer[pos] = (UBYTE)(i);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 #else /* _SIMULATION_ */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 #endif /* _SIMULATION_ */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 * insert packet length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 ret_desc->len = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 len_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 * create second packet to store the values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 arb_discard_packet(ppp_data->chap.c_packet);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 MALLOC (ppp_data->chap.c_packet, (USHORT)(sizeof(T_desc2) - 1
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 + value_size + CHAP_CHALLENGE_HEADER_SIZE));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 * make a copy of the first packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 ppp_data->chap.c_packet->next = ret_desc->next;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 ppp_data->chap.c_packet->len = ret_desc->len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 memcpy(ppp_data->chap.c_packet->buffer, ret_desc->buffer, ret_desc->len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 * return the first packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 ppp_data->chap.sc = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 *ptr_packet = ret_desc;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 } /* chap_get_sc() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 \| Function : chap_get_sr
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 \| Description : The function chap_get_sr() returns a CHAP Response packet and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 \| stores a copy of this packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 \| Parameters : ptr_packet - returns the Response packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 \| THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 \| THIS FUNCTION
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 GLOBAL void chap_get_sr (T_desc2** ptr_packet)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 T_desc2 ret_packet, md5_pack;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 USHORT len_pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 USHORT md5_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 UBYTE value_size;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 T_desc2* packet = *ptr_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 TRACE_FUNCTION( "chap_get_sr" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 * Allocate the necessary size for the data descriptor. The size is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 * calculated as follows:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 * - take the size of a descriptor structure
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382 * - subtract one because of the array buffer[1] to get the size of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 * descriptor control information
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 * - add number of octets of descriptor data
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 MALLOC(ret_packet, (USHORT)(sizeof(T_desc2) - 1 + CHAP_MSG_DIGEST_LEN
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 + ppp_data->login.name_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 * fill the packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 ret_packet->next = (ULONG)NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 pos = 0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 * Code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 ret_packet->buffer[pos] = CODE_RESPONSE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 * Identifier field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 * Length field (store the position)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 len_pos = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 * Value length: output of MD5 routine is always
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 * CHAP_MSG_DIGEST_LEN := 16 Bytes
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 value_size = CHAP_MSG_DIGEST_LEN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 * Values
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 * Message digest
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 MALLOC(md5_pack, (USHORT)(sizeof(T_desc2) - 1 + md5_len));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425 * Build string to pass to MD5 routine:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 * identifier + user password + challenge message
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 md5_pack->buffer[0] = ppp_data->chap.nci;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 memcpy(&md5_pack->buffer[1], ppp_data->login.password,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 ppp_data->login.password_len);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 memcpy(&md5_pack->buffer[ppp_data->login.password_len+1],
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 * Call MD5 routine
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 pos += CHAP_MSG_DIGEST_LEN;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 MFREE(md5_pack);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 * insert user name
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442 memcpy(&ret_packet->buffer[pos], ppp_data->login.name,
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 ppp_data->login.name_len);/lint !e416 (Warning -- creation of out-of-bounds pointer) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 pos += ppp_data->login.name_len;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 * insert packet length
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 ret_packet->len = pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 len_pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto 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) /
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 * return the first packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 ppp_data->chap.sr = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 *ptr_packet = ret_packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 } /* chap_get_sr() */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 \| Function : chap_get_ss
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 \| Description : The function chap_get_ss() returns a CHAP Success packet.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 \| Parameters : ptr_packet - returns the CHAP Success packet
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 \| THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 \| THIS FUNCTION
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 \|
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 +------------------------------------------------------------------------------
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 GLOBAL void chap_get_ss (T_desc2** ptr_packet)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 T_desc2* packet;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 USHORT pos;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 TRACE_FUNCTION( "chap_get_ss" );
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 * Allocate the necessary size for the data descriptor. The size is
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 * calculated as follows:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 * - take the size of a descriptor structure
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485 * - subtract one because of the array buffer[1] to get the size of
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 * descriptor control information
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 * - add number of octets of descriptor data
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 MALLOC (packet, (USHORT)(sizeof(T_desc2) - 1 + CHAP_SUCCESS_LENGTH));
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490 packet->len = CHAP_SUCCESS_LENGTH;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 packet->next=(ULONG)NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 pos=0;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 * code field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 packet->buffer[pos] = CODE_SUCCESS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 pos++;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499 * identifier field
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 */

174

90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto