FreeCalypso > hg > fc-tourmaline

annotate src/g23m-fad/ppp/ppp_capf.c @ 134:62480f597962

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bmi headers: include case fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 10 Nov 2020 07:12:03 +0000
parents fa8dc04885d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul :
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This modul is part of the entity PPP and implements all
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18 | procedures and functions as described in the
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19 | SDL-documentation (CHAP-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef PPP_CAPF_C
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24 #define PPP_CAPF_C
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25 #endif /* !PPP_CAPF_C */
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26
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27 #define ENTITY_PPP
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28
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29 /*==== INCLUDES =============================================================*/
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30
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31 #include "typedefs.h" /* to get Condat data types */
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32 #include "vsi.h" /* to get a lot of macros */
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33 #include "macdef.h" /* to get a lot of macros */
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34 #include "custom.h" /* to get a lot of macros */
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35 #include "gsm.h" /* to get a lot of macros */
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36 #include "cnf_ppp.h" /* to get cnf-definitions */
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37 #include "mon_ppp.h" /* to get mon-definitions */
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38 #include "prim.h" /* to get the definitions of used SAP and directions */
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39 #include "dti.h" /* to get the DTILIB definitions */
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40 #include "ppp.h" /* to get the global entity definitions */
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41
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42 #include "ppp_arbf.h" /* to get function interface from arb */
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43 #include <string.h> /* to get memcpy */
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44 #include <stdlib.h> /* to get rand */
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45 #include "cl_md5.h" /* to get MD5 routine from common library */
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46
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47 #ifdef _SIMULATION_
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48 #include <stdio.h> /* to get sprintf */
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49 #endif /* _SIMULATION_ */
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50
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51 /*==== CONST ================================================================*/
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52
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53 #define CHAP_SUCCESS_LENGTH (4)
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54 #define CHAP_CHALLENGE_HEADER_SIZE (5)
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55
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56 /*
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57 * maximum value length is 64 octets and additional packet header is 5 octets
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58 */
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59 #define CHAP_CHALLENGE_LEN_MAX_SERVER_MODE (64 + CHAP_CHALLENGE_HEADER_SIZE)
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60 /*
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61 * maximum value length is 5 octets for packet header + 16 octets for hash value
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62 * calculated by MD5 algorithm + login name length
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63 */
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64
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65 #define CHAP_RESPONSE_LEN_MAX_CLIENT_MODE (CHAP_CHALLENGE_HEADER_SIZE + \
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66 CHAP_MSG_DIGEST_LEN + \
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67 PPP_LOGIN_NAME_LENGTH)
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68
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69 /*
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70 * the response packet must be passable to the ISP in protocol configuration
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71 * options (pco). The maximum length of pco is
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72 * 251 octets (253 - 2 (identification overhead) = 251). There must also be
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73 * space for other protocol packet, like LCP and IPCP.
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74 * LCP needs
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75 * 15 octets (3 (overhead pco) + 4 (overhead packet) + 4 (mru) + 4
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76 * (authentication protocol PAP) = 15) for server packet and
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77 * 11 octets (3 (overhead pco) + 4 (overhead packet) + 4 (mru) = 11) for
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78 * client packet.
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79 * IPCP needs
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80 * 31 octets (3 (overhead pco) + 4 (overhead packet) + 6 (IP address) + 6
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81 * (VJ header compression) + 6 (primary DNS) + 6 (secondary DNS) = 31) for
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82 * client packet and
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83 * 13 octets (3 (overhead pco) + 4 (overhead packet) + 6
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84 * (Gateway address) = 13) for gateway address packet.
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85 * CHAP needs
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86 * 3 octets for pco overhead and
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87 * CHAP_CHALLENGE_LENGTH_MAX for challenge packet and
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88 * 3 octets for pco overhead for response packet.
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89 * The max. user login name legth is
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90 * - for client mode 25 octets
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91 * - for server mode
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92 */
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93 #define CHAP_RESPONSE_LEN_MAX_SERVER_MODE (251 - 15 - 11 - 31 - 13 - 3 - \
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94 CHAP_CHALLENGE_LEN_MAX_SERVER_MODE\
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95 - 3)
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96 #define CHAP_CHALLENGE_LEN_MAX_CLIENT_MODE (251 - 15 - 11 - 31 - 13 - 3 - \
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97 CHAP_RESPONSE_LEN_MAX_CLIENT_MODE\
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98 - 3)
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99
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100
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101 #define CHAP_FAILURE_TEXT "response packet to long"
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102 #define CHAP_FAILURE_TEXT_LENGTH sizeof(CHAP_FAILURE_TEXT)
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103 #define CHAP_FAILURE_LENGTH (4 + CHAP_FAILURE_TEXT_LENGTH)
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104
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105
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106 /*==== LOCAL VARS ===========================================================*/
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107
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108 /*==== PRIVATE FUNCTIONS ====================================================*/
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109
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110 /*==== PUBLIC FUNCTIONS =====================================================*/
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111
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112
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113
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114 /*
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115 +------------------------------------------------------------------------------
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116 | Function : chap_init
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117 +------------------------------------------------------------------------------
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118 | Description : The function chap_init() initializes Challenge Handshake
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119 | Authentication Protocol
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120 |
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121 | Parameters : no parameter
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122 |
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123 +------------------------------------------------------------------------------
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124 */
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125 GLOBAL void chap_init ()
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126 {
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127 T_TIME time_val;
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128
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129 TRACE_FUNCTION( "chap_init" );
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130
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131 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 * initialize random generator
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 vsi_t_time (VSI_CALLER &time_val);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 srand((USHORT) time_val);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 * initialize values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 ppp_data->chap.counter = 0; /* counter for timer restart */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 ppp_data->chap.nci = 0; /* new challenge identifier */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 ppp_data->chap.sc = FALSE; /* indic. for sending of Challenge packet*/
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 ppp_data->chap.rc = FALSE; /* indic. for receiving of Challenge pack*/
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 ppp_data->chap.sr = FALSE; /* indic. for sending of Respons packet */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 ppp_data->chap.rs = FALSE; /* indic. for receiving of Success packet */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 ppp_data->chap.c_packet = NULL; /* CHAP Challenge packet (server mode) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 ppp_data->chap.r_packet = NULL; /* CHAP Response packet (server mode) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 /* CHAP and PAP authentication values */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 memset((UBYTE*)&ppp_data->login, 0, sizeof(T_login));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 * Set CHAP service state to CHAP_DOWN
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 INIT_STATE( PPP_SERVICE_CHAP , CHAP_DOWN );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 } /* chap_init() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 | Function : chap_fill_out_packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 | Description : The function chap_fill_out_packet() puts a CHAP Challenge and
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 | a CHAP Response packet into the protocol configuration list
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 | Parameters : pco_buf - pco list buffer
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 | ptr_pos - position where to write the CHAP packets, this value
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 | must get back to the calling funtion
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 GLOBAL void chap_fill_out_packet (UBYTE pco_buf[], USHORT* ptr_pos)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 USHORT pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 TRACE_FUNCTION( "chap_fill_out_packet" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 #ifdef _SIMULATION_
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 TRACE_EVENT_P3("parameters: pco_buf[]: %08x, ptr_pos: %08x, pos: %d",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 pco_buf, ptr_pos, *ptr_pos);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 #endif /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 * copy stored challenge packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 * Protocol ID
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 pos = *ptr_pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 pco_buf[pos] = PROTOCOL_CHAP_MSB;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 pco_buf[pos] = PROTOCOL_CHAP_LSB;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 * Length of Protocol contents
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 pco_buf[pos] = (UBYTE)ppp_data->chap.c_packet->len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 * copy packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 memcpy(&pco_buf[pos],
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 ppp_data->chap.c_packet->buffer,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 ppp_data->chap.c_packet->len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 pos += ppp_data->chap.c_packet->len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 * copy stored response packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 * Protocol ID
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 pco_buf[pos] = PROTOCOL_CHAP_MSB;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 pco_buf[pos] = PROTOCOL_CHAP_LSB;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 * Length of Protocol contents
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 pco_buf[pos] = (UBYTE)ppp_data->chap.r_packet->len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 * copy packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 memcpy(&pco_buf[pos],
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 ppp_data->chap.r_packet->buffer,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 ppp_data->chap.r_packet->len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 pos += ppp_data->chap.r_packet->len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 * Free memory and clear flags
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 arb_discard_packet(ppp_data->chap.r_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 ppp_data->chap.r_packet = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 ppp_data->chap.sr = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 arb_discard_packet(ppp_data->chap.c_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 ppp_data->chap.c_packet = NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 ppp_data->chap.rc = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 * return new position
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 *ptr_pos=pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 } /* chap_fill_out_packet() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 | Function : chap_get_sc
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 | Description : The function chap_get_sc() returns a CHAP Challenge packet and
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 | stores a copy of this packet.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 | Parameters : ptr_packet - returns the Challenge packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 | THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 | THIS FUNCTION
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 GLOBAL void chap_get_sc (T_desc2** ptr_packet)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 T_desc2* ret_desc;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 USHORT len_pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 USHORT pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 UBYTE i;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 UBYTE value_size;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 TRACE_FUNCTION( "chap_get_sc" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 * set new identifier
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 ppp_data->chap.nci++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 * random value length 16 to 64 octets
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 #ifdef _SIMULATION_
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 value_size = 16;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 #else /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 value_size = (UBYTE)(rand() % 49) + 16;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 #endif /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 * Allocate the necessary size for the data descriptor. The size is
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 * calculated as follows:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 * - take the size of a descriptor structure
fa8dc04885d8 src/g23m-*: 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
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 * descriptor control information
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 * - add number of octets of descriptor data (value+header)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 MALLOC(ret_desc, (USHORT)(sizeof(T_desc2) - 1
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 + value_size + CHAP_CHALLENGE_HEADER_SIZE));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 * fill the packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 ret_desc->next = (ULONG)NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 pos = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 * Code field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 ret_desc->buffer[pos] = CODE_CHALLENGE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 * Identifier field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 * Length field (store the position)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 len_pos = pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 * value length
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 * values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 for(i=0; i < value_size; i++)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 #ifdef _SIMULATION_
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 ret_desc->buffer[pos] = (UBYTE)(i);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322 #else /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 #endif /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 * insert packet length
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 ret_desc->len = pos;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 len_pos++;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 * create second packet to store the values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 arb_discard_packet(ppp_data->chap.c_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 MALLOC (ppp_data->chap.c_packet, (USHORT)(sizeof(T_desc2) - 1
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 + value_size + CHAP_CHALLENGE_HEADER_SIZE));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 * make a copy of the first packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 ppp_data->chap.c_packet->next = ret_desc->next;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 ppp_data->chap.c_packet->len = ret_desc->len;
fa8dc04885d8 src/g23m-*: 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);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 * return the first packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 ppp_data->chap.sc = TRUE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 *ptr_packet = ret_desc;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 } /* chap_get_sc() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 | Function : chap_get_sr
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 | Description : The function chap_get_sr() returns a CHAP Response packet and
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 | stores a copy of this packet.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 | Parameters : ptr_packet - returns the Response packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 | THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 | THIS FUNCTION
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 GLOBAL void chap_get_sr (T_desc2** ptr_packet)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 T_desc2 *ret_packet, *md5_pack;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 USHORT len_pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 USHORT md5_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 USHORT pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 UBYTE value_size;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 T_desc2* packet = *ptr_packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 TRACE_FUNCTION( "chap_get_sr" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 * Allocate the necessary size for the data descriptor. The size is
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 * calculated as follows:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 * - take the size of a descriptor structure
fa8dc04885d8 src/g23m-*: 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
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 * descriptor control information
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 * - add number of octets of descriptor data
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 MALLOC(ret_packet, (USHORT)(sizeof(T_desc2) - 1 + CHAP_MSG_DIGEST_LEN
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 + ppp_data->login.name_len));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 * fill the packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391 ret_packet->next = (ULONG)NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 pos = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394 * Code field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 ret_packet->buffer[pos] = CODE_RESPONSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
399 * Identifier field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
400 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
402 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
403 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
404 * Length field (store the position)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
405 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
406 len_pos = pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
407 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
408 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
409 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
410 * Value length: output of MD5 routine is always
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
411 * CHAP_MSG_DIGEST_LEN := 16 Bytes
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
412 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
413 value_size = CHAP_MSG_DIGEST_LEN;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
415 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
416
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
417 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
418 * Values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
419 * Message digest
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
420 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
422 MALLOC(md5_pack, (USHORT)(sizeof(T_desc2) - 1 + md5_len));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
423
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
424 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
425 * Build string to pass to MD5 routine:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
426 * identifier + user password + challenge message
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
427 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
428 md5_pack->buffer[0] = ppp_data->chap.nci;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
429 memcpy(&md5_pack->buffer[1], ppp_data->login.password,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
430 ppp_data->login.password_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
431 memcpy(&md5_pack->buffer[ppp_data->login.password_len+1],
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
433 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
434 * Call MD5 routine
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
435 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
437 pos += CHAP_MSG_DIGEST_LEN;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
438 MFREE(md5_pack);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
439 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
440 * insert user name
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
441 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
442 memcpy(&ret_packet->buffer[pos], ppp_data->login.name,
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
444 pos += ppp_data->login.name_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
445 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
446 * insert packet length
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
447 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
448 ret_packet->len = pos;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
450 len_pos++;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
452
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
453 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
454 * return the first packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
455 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
456 ppp_data->chap.sr = TRUE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
457 *ptr_packet = ret_packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
458
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
459 } /* chap_get_sr() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
460
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
461
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
462 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
463 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
464 | Function : chap_get_ss
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
465 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
466 | Description : The function chap_get_ss() returns a CHAP Success packet.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
467 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
468 | Parameters : ptr_packet - returns the CHAP Success packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
469 | THE MEMORY FOR THE PACKET WILL BE ALLOCATED BY
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
470 | THIS FUNCTION
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
471 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
472 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
473 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
474 GLOBAL void chap_get_ss (T_desc2** ptr_packet)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
475 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
476 T_desc2* packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
477 USHORT pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
478
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
479 TRACE_FUNCTION( "chap_get_ss" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
480
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
481 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
482 * Allocate the necessary size for the data descriptor. The size is
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
483 * calculated as follows:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
484 * - take the size of a descriptor structure
fa8dc04885d8 src/g23m-*: 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
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
486 * descriptor control information
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
487 * - add number of octets of descriptor data
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
488 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
489 MALLOC (packet, (USHORT)(sizeof(T_desc2) - 1 + CHAP_SUCCESS_LENGTH));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
490 packet->len = CHAP_SUCCESS_LENGTH;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
491 packet->next=(ULONG)NULL;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
492 pos=0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
493 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
494 * code field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
495 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
496 packet->buffer[pos] = CODE_SUCCESS;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
497 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
498 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
499 * identifier field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
500 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
502 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
503 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
504 * length field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
505 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
507 pos++;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
509 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
510 * return created packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
511 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
512 *ptr_packet = packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
513 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
514 * Announce successful CHAP authentification
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
515 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
516 TRACE_EVENT("PPP CHAP: authentification successful");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
517 } /* chap_get_ss() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
518
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
519
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
520
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
521 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
522 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
523 | Function : chap_rc
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
524 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
525 | Description : The function chap_rc() checks whether the given Challenge
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
526 | packet is valid and if so it returns FORWARD_RC and a
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
527 | Response packet.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
528 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
529 | Parameters : ptr_packet - Challenge packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
530 | forward - returns result of analysis
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
531 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
532 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
533 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
534 GLOBAL void chap_rc (T_desc2** ptr_packet, UBYTE* forward)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
535 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
536 T_desc2* packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
537 USHORT packet_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
538 USHORT pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
539
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
540 TRACE_FUNCTION( "chap_rc" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
541
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
542 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
543 * this packet can only be reveiced in client mode
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
544 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
545 if(ppp_data->mode NEQ PPP_CLIENT)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
546 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
547 TRACE_EVENT("PPP CHAP: unexpected CHAP challenge packet in client mode");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
548 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
549 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
550 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
551 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
552 * check correct length
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
553 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
554 packet = *ptr_packet;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
557 if((packet_len < 5) || (packet_len > packet->len))
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
558 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
559 TRACE_EVENT("PPP CHAP: invalid CHAP challenge packet length");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
560 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
561 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
562 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
563 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
564 * check consistence of length of packet and length of log on information,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
565 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
566 pos=4;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
568 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
569 if(pos > packet_len || packet_len > CHAP_CHALLENGE_LEN_MAX_CLIENT_MODE)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
570 {
fa8dc04885d8 src/g23m-*: 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",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
572 packet_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
573 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
574 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
575 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
576 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
577 * Check if challenge was received already, the length are equal,
fa8dc04885d8 src/g23m-*: 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
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
579 * to the packet before.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
580 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
581 if((ppp_data->chap.rc) &&
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
583 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
584 if((ppp_data->chap.nci EQ packet->buffer[1]) ||
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
585 (!memcmp(&packet->buffer[5],
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
586 &ppp_data->chap.c_packet->buffer[5],
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
588 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
589 TRACE_EVENT("PPP CHAP: repeated CHAP challenge packet");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
590 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
591 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
592 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
593 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
594
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
595 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
596 * store identifier
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
597 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
599 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
600 * store challenge packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
601 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
602 arb_discard_packet(ppp_data->chap.c_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
603 ppp_data->chap.c_packet = packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
604 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
605 * set indicators
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
606 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
607 ppp_data->chap.rc = TRUE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
608 ppp_data->chap.sr = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
609 ppp_data->chap.rs = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
610 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
611 * create Response packet and
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
612 * set return values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
613 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
614 chap_get_sr(ptr_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
615 *forward=FORWARD_RC;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
616
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
617 } /* chap_rc() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
618
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
619
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
620
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
621 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
622 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
623 | Function : chap_rr
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
624 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
625 | Description : The function chap_rr() checks whether the given Response
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
626 | packet is valid and if so it returns FORWARD_RRP and a
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
627 | Success packet.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
628 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
629 | Parameters : ptr_packet - Response packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
630 | forward - returns result of analysis
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
631 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
632 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
633 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
634 GLOBAL void chap_rr (T_desc2** ptr_packet, UBYTE* forward)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
635 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
636 T_desc2* packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
637 USHORT packet_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
638 USHORT pos;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
639
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
640 TRACE_FUNCTION( "chap_rr" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
641 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
642 * this packet can only reveiced in server mode
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
643 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
644 if(ppp_data->mode NEQ PPP_SERVER)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
645 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
646 TRACE_EVENT("PPP CHAP: unexpected CHAP Response Packet in client mode");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
647 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
648 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
649 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
650 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
651 * check correct length
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
652 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
653 packet = *ptr_packet;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
655 packet_len = packet_len << 8;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
657 if((packet_len < 5) || (packet_len > packet->len))
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
658 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
659 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
660 TRACE_EVENT_P1("PPP CHAP: invalid Response Packet length %d",packet_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
661 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
662 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
663
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
664 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
665 * check consistence of length of packet and length of log on information,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
666 * check for identifier field and whether a Challenge packet was sent
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
667 *
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
668 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
669 pos=4;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
671 pos++;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
672 #ifdef TRACE_USER_NAME
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
673 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
674 UBYTE *user_name;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
675 USHORT i;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
676 USHORT name_len = packet_len - 5 - packet->buffer[4];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
677 MALLOC(user_name, name_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
678 memcpy(user_name, &packet->buffer[packet_len - name_len - 1], name_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
679 TRACE_EVENT("PPP CHAP: user name:");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
680 for(i = 0; i < name_len; i++)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
681 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
682 TRACE_EVENT_P1(" *%c* ", user_name[i]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
683 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
684 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
685 #endif /*TRACE_USER_NAME */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
686 if((pos > packet_len) ||
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
687 (packet->buffer[1] NEQ ppp_data->chap.nci) ||
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
689 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
690 TRACE_EVENT("PPP CHAP: invalid value size or unexpected Response Packet");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
691 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
692 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
693 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
694
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
695 #ifdef TEST_MD5
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
696 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
697 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
698 * For testing set dual-up connection password to "test password"
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
699 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
700 UBYTE test_pwd[14] = "test password";
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
701 T_desc2 *md5_pack, *c_pack;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
702 USHORT md5_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
703 UBYTE digest[16];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
704 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
705 * Values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
706 * Message digest
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
707 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
708 c_pack = ppp_data->chap.c_packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
709 md5_len = 1 + 13 + c_pack->buffer[4];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
710 MALLOC(md5_pack, (USHORT)(sizeof(T_desc2) - 1 + md5_len));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
711 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
712 * Build string to pass to MD5 routine:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
713 * identifier + user password + challenge message
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
714 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
715 md5_pack->buffer[0] = ppp_data->chap.nci;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
716 memcpy(&md5_pack->buffer[1], test_pwd, 14);
fa8dc04885d8 src/g23m-*: 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]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
718 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
719 * Call MD5 routine
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
720 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
721 cl_md5(md5_pack->buffer, md5_len, &digest[0]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
722 if(memcmp(&packet->buffer[5], digest, 16))
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
723 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
724 TRACE_EVENT("CHAP ERROR: invalid msg digest in received response");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
725 } else {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
726 TRACE_EVENT("CHAP INFO: MD5 test OK");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
727 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
728 MFREE(md5_pack);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
729 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
730 #endif /* TEST_MD5 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
731
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
732
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
733 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
734 * store authentication packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
735 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
736 if(packet_len > CHAP_RESPONSE_LEN_MAX_SERVER_MODE)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
737 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
738 TRACE_EVENT_P1("PPP CHAP: invalid Response Packet length %d, send failure",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
739 packet_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
740 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
741 * create Failure packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
742 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
743 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
744 * change code field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
745 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
746 packet->buffer[0] = CODE_FAILURE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
747 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
748 * change length field
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
749 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
752 packet->len = CHAP_FAILURE_LENGTH;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
753 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
754 * fill out Message
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
755 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
756 /*lint -e419 (Warning -- data overrun) */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
758 /*lint +e419 (Warning -- data overrun) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
759 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
760 * set return values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
761 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
762 *forward=FORWARD_RRN;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
763 *ptr_packet = packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
764 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
765 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
766 arb_discard_packet(ppp_data->chap.r_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
767 ppp_data->chap.r_packet = packet;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
768 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
769 * create Success packet and
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
770 * set return values
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
771 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
772 chap_get_ss(ptr_packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
773 *forward=FORWARD_RRP;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
774 } /* chap_rr() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
775
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
776
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
777
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
778 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
779 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
780 | Function : chap_rs
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
781 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
782 | Description : The function chap_rs() checks whether the given Success
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
783 | packet is valid and if so it returns FORWARD_RS.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
784 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
785 | Parameters : packet - Success packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
786 | forward - returns result of analysis
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
787 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
788 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
789 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
790 GLOBAL void chap_rs (T_desc2* packet, UBYTE* forward)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
791 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
792 USHORT packet_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
793
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
794 TRACE_FUNCTION( "chap_rs" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
795
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
796 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
797 * this packet can only reveiced in client mode
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
798 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
799 if(ppp_data->mode NEQ PPP_CLIENT)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
800 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
801 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
802 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
803 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
804
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
805 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
806 * check correct length and identifier
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
807 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
809 packet_len = packet_len << 8;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
811 if(packet_len > packet->len ||
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
813 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
814 TRACE_EVENT("PPP CHAP: invalid CHAP Success");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
815 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
816 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
817 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
818 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
819 * check if Response was sent.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
820 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
821 if(!ppp_data->chap.sr)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
822 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
823 TRACE_EVENT("PPP CHAP: unexpected CHAP Success");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
824 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
825 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
826 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
827
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
828 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
829 * free authentication packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
830 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
831 arb_discard_packet(packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
832 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
833 * set return value
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
834 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
835 ppp_data->chap.rs = TRUE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
836 *forward=FORWARD_RS;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
837 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
838 * Announce successful CHAP authentification
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
839 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
840 TRACE_EVENT("PPP CHAP: authentification successful");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
841
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
842 } /* chap_rs() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
843
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
844
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
845
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
846 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
847 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
848 | Function : chap_rf
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
849 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
850 | Description : The function chap_rf() checks whether the given Failure
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
851 | packet is valid and if so it returns FORWARD_RF.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
852 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
853 | Parameters : packet - Failure packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
854 | forward - returns result of analysis
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
855 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
856 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
857 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
858 GLOBAL void chap_rf (T_desc2* packet, UBYTE* forward)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
859 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
860 USHORT packet_len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
861
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
862 TRACE_FUNCTION( "chap_rf" );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
863
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
864 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
865 * this packet can only reveiced in client mode
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
866 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
867 if(ppp_data->mode NEQ PPP_CLIENT)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
868 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
869 TRACE_EVENT("PPP CHAP: unexpected Failure packet in server mode");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
870 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
871 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
872 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
873 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
874 * check correct length
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
875 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
877 packet_len = packet_len << 8;
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
879 if(packet_len > packet->len)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
880 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
881 TRACE_EVENT("PPP CHAP: invalid Failure packet length");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
882 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
883 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
884 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
885 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
886 * Check identifier
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
887 */
fa8dc04885d8 src/g23m-*: 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) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
889 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
890 TRACE_EVENT("PPP CHAP: invalid identifier in Failure packet");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
891 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
892 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
893 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
894 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
895 * Check if Success was already received
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
896 * or if Response was not sent yet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
897 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
898 if(ppp_data->chap.rs || !ppp_data->chap.sr)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
899 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
900 TRACE_EVENT("PPP CHAP: unexpected Failure");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
901 *forward=FORWARD_DISCARD;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
902 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
903 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
904 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
905 * free Failure packet and reset Response receiving flag
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
906 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
907 arb_discard_packet(packet);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
908 ppp_data->chap.sr = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
909 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
910 * set return value
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
911 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
912 *forward=FORWARD_RF;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
913 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
914 * Announce failed CHAP authentification
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
915 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
916 TRACE_EVENT("PPP CHAP: authentification failed");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
917
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
918 } /* chap_rf() */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
919
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
920 #ifdef _SIMULATION_
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
921 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
922 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
923 | Function : ppp_trace_desc
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
924 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
925 | Description : The function traces desc
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
926 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
927 | Parameters : packet - tracing packet
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
928 |
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
929 +------------------------------------------------------------------------------
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
930 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
931 GLOBAL void ppp_trace_desc (T_desc2* packet)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
932 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
933 UINT i=0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
934 UBYTE *buf=&packet->buffer[0];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
935
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
936
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
937 while(i < packet->len)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
938 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
939 if((i+4) < packet->len){
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
940 TRACE_EVENT_P4("0x%02x, 0x%02x, 0x%02x, 0x%02x,",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
941 buf[i], buf[i+1],buf[i+2],buf[i+3]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
942 i+=4;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
943 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
944 else if((i+3) < packet->len){
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
945 TRACE_EVENT_P3("0x%02x, 0x%02x, 0x%02x,",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
946 buf[i], buf[i+1],buf[i+2]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
947 i+=3;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
948 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
949 else if((i+2) < packet->len){
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
950 TRACE_EVENT_P2("0x%02x, 0x%02x,",buf[i],buf[i+1]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
951 i+=2;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
952 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
953 else if((i+1) <= packet->len){
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
954 TRACE_EVENT_P1("0x%02x, ",buf[i]);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
955 i+=1;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
956 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
957 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
958 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
959 #endif /* _SIMULATION_ */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
960
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
961
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
962
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
963
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
964