FreeCalypso > hg > fc-magnetite
annotate src/g23m-fad/ppp/ppp_caps.c @ 381:c6823ed06f9c
doc/Compiling: update for C11x and for the speed-up trick
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Jan 2018 21:10:08 +0000 |
parents | 90eb61ecd093 |
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rev | line source |
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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 | functions to handles the incoming process internal signals as |
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19 | described in the 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_CHAPS_C |
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24 #define PPP_CHAPS_C |
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25 #endif /* !PPP_CAPS_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_capf.h" /* to get function interface from chap */ |
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43 #include "ppp_arbf.h" /* to get function interface from arb */ |
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44 #include "ppp_ftxs.h" /* to get signal interface from ftx */ |
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45 #include "ppp_arbs.h" /* to get signal interface from arb */ |
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46 #include "ppp_rts.h" /* to get the rt signal interface */ |
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47 |
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48 /*==== CONST ================================================================*/ |
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49 |
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50 /*==== LOCAL VARS ===========================================================*/ |
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51 |
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52 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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53 |
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54 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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55 |
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56 |
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57 |
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58 /* |
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59 +------------------------------------------------------------------------------ |
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60 | Function : sig_arb_chap_packet_req |
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61 +------------------------------------------------------------------------------ |
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62 | Description : Handles the internal signal SIG_ARB_CHAP_PACKET_REQ |
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63 | |
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64 | Parameters : packet - pointer to a generic data descriptor |
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65 | |
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66 +------------------------------------------------------------------------------ |
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67 */ |
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68 GLOBAL void sig_arb_chap_packet_req (T_desc2* packet) |
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69 { |
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70 |
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71 T_desc2* temp_desc; |
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72 UBYTE forward; |
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73 |
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74 TRACE_ISIG( "sig_arb_chap_packet_req" ); |
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75 |
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76 /* |
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77 * depend on the code-field call appropriate function |
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78 */ |
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79 switch(packet->buffer[0]) |
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80 { |
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81 case CODE_CHALLENGE: |
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82 chap_rc(&packet, &forward); |
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83 break; |
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84 case CODE_RESPONSE: |
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85 chap_rr(&packet, &forward); |
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86 break; |
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87 case CODE_SUCCESS: |
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88 chap_rs(packet, &forward); |
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89 break; |
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90 case CODE_FAILURE: |
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91 chap_rf(packet, &forward); |
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92 break; |
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93 default: |
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94 forward = FORWARD_DISCARD; |
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95 break; |
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96 } |
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97 switch(forward) |
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98 { |
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99 case FORWARD_RC: /* Received Challenge */ |
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100 /* |
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101 * send Response packet and wait for an appropriate answer |
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102 */ |
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103 SET_STATE( PPP_SERVICE_CHAP, CHAP_UP ); |
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104 ppp_data->chap.counter = ppp_data->mc; |
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105 sig_any_ftx_packet_req(DTI_PID_CHAP, packet); /* Response */ |
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106 if(ppp_data->chap.counter > 0) |
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107 ppp_data->chap.counter--; |
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108 sig_any_rt_rrt_req(); |
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109 break; |
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110 case FORWARD_RRP: /* Received Response Positive */ |
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111 /* |
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112 * send Success packets until receive a stop signal from arb |
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113 * or the counter becomes zero |
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114 */ |
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115 SET_STATE( PPP_SERVICE_CHAP, CHAP_UP ); |
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116 ppp_data->chap.counter = ppp_data->mc; |
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117 sig_any_ftx_packet_req(DTI_PID_CHAP, packet); /* Success */ |
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118 if(ppp_data->chap.counter > 0) |
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119 ppp_data->chap.counter--; |
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120 sig_any_rt_rrt_req(); |
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121 sig_any_arb_tlu_ind(); |
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122 break; |
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123 case FORWARD_RRN: /* Received Response Negative */ |
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124 /* |
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125 * send Failure packet |
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126 */ |
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127 sig_any_ftx_packet_req(DTI_PID_CHAP, packet); /* Failure */ |
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128 if(ppp_data->chap.fails > 0) |
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129 { |
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130 /* |
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131 * if failure counter is not zero then create a new Challenge packet |
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132 */ |
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133 ppp_data->chap.fails--; |
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134 ppp_data->chap.counter = ppp_data->mc; |
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135 chap_get_sc(&temp_desc); |
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136 sig_any_ftx_packet_req(DTI_PID_CHAP, temp_desc); /* Challenge */ |
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137 if(ppp_data->chap.counter > 0) |
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138 ppp_data->chap.counter--; |
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139 sig_any_rt_rrt_req(); |
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140 } |
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141 else |
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142 { |
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143 /* |
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144 * if failure counter expired then set error code |
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145 */ |
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146 sig_any_rt_srt_req(); |
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147 if(ppp_data->ppp_cause EQ 0) |
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148 ppp_data->ppp_cause = PPP_TERM_USE_AUTHED_FAILED; |
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149 sig_any_arb_tlf_ind(); |
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150 } |
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151 break; |
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152 case FORWARD_RS: /* Received Success */ |
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153 sig_any_rt_srt_req(); |
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154 sig_any_arb_tlu_ind(); |
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155 break; |
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156 case FORWARD_RF: /* Received Failure */ |
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157 /* |
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158 * restart timer and wait for new challenge packet |
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159 */ |
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160 SET_STATE( PPP_SERVICE_CHAP, CHAP_DOWN ); |
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161 ppp_data->chap.counter = ppp_data->mc; |
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162 if(ppp_data->chap.counter > 0) |
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163 ppp_data->chap.counter--; |
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164 sig_any_rt_rrt_req(); |
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165 break; |
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166 default: |
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167 arb_discard_packet(packet); |
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168 break; |
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169 } |
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170 } /* sig_arb_chap_packet_req() */ |
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171 |
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172 |
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173 |
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174 /* |
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175 +------------------------------------------------------------------------------ |
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176 | Function : sig_arb_chap_open_req |
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177 +------------------------------------------------------------------------------ |
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178 | Description : Handles the internal signal SIG_ARB_CHAP_OPEN_REQ |
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179 | |
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180 | Parameters : no parameters |
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181 | |
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182 +------------------------------------------------------------------------------ |
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183 */ |
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184 GLOBAL void sig_arb_chap_open_req () |
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185 { |
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186 T_desc2* packet; |
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187 |
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188 TRACE_ISIG( "sig_arb_chap_open_req" ); |
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189 |
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190 SET_STATE( PPP_SERVICE_CHAP, CHAP_DOWN ); |
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191 ppp_data->chap.sc = FALSE; |
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192 ppp_data->chap.counter = ppp_data->mc; |
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193 ppp_data->chap.fails = ppp_data->mf; |
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194 |
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195 if(ppp_data->mode EQ PPP_SERVER) |
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196 { |
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197 /* |
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198 * create and send challenge packet |
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199 */ |
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200 chap_get_sc(&packet); |
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201 sig_any_ftx_packet_req(DTI_PID_CHAP, packet); /* Challenge */ |
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202 } |
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203 |
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204 /* |
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205 * start timer (client and server) |
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206 */ |
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207 if(ppp_data->chap.counter > 0) |
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208 ppp_data->chap.counter--; |
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209 sig_any_rt_rrt_req(); |
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210 } /* sig_arb_chap_open_req() */ |
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211 |
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212 |
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213 |
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214 /* |
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215 +------------------------------------------------------------------------------ |
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216 | Function : sig_arb_chap_down_req |
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217 +------------------------------------------------------------------------------ |
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218 | Description : Handles the internal signal SIG_ARB_CHAP_DOWN_REQ |
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219 | |
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220 | Parameters : no parameters |
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221 | |
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222 +------------------------------------------------------------------------------ |
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223 */ |
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224 GLOBAL void sig_arb_chap_down_req () |
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225 { |
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226 TRACE_ISIG( "sig_arb_chap_down_req" ); |
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227 |
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228 sig_any_rt_srt_req(); |
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229 arb_discard_packet(ppp_data->chap.c_packet); |
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230 ppp_data->chap.c_packet = NULL; |
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231 arb_discard_packet(ppp_data->chap.r_packet); |
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232 ppp_data->chap.r_packet = NULL; |
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233 } /* sig_arb_chap_down_req() */ |
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234 |
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235 |
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236 |
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237 /* |
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238 +------------------------------------------------------------------------------ |
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239 | Function : sig_arb_chap_stop_req |
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240 +------------------------------------------------------------------------------ |
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241 | Description : Handles the internal signal SIG_ARB_CHAP_STOP_REQ |
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242 | |
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243 | Parameters : no parameters |
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244 | |
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245 +------------------------------------------------------------------------------ |
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246 */ |
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247 GLOBAL void sig_arb_chap_stop_req () |
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248 { |
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249 TRACE_ISIG( "sig_arb_chap_stop_req" ); |
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250 |
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251 sig_any_rt_srt_req(); |
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252 } /* sig_arb_chap_down_req() */ |
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253 |
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254 |
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255 |
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256 /* |
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257 +------------------------------------------------------------------------------ |
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258 | Function : sig_arb_chap_to_req |
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259 +------------------------------------------------------------------------------ |
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260 | Description : Handles the internal signal SIG_ARB_CHAP_TO_REQ |
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261 | |
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262 | Parameters : no parameters |
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263 | |
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264 +------------------------------------------------------------------------------ |
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265 */ |
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266 GLOBAL void sig_arb_chap_to_req () |
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267 { |
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268 T_desc2* packet = NULL; |
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269 |
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270 TRACE_ISIG( "sig_arb_chap_to_req" ); |
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271 |
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272 if (ppp_data->chap.counter EQ 0) |
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273 { |
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274 /* |
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275 * authentication failed (client and server mode) |
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276 */ |
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277 if((ppp_data->ppp_cause EQ 0) && (ppp_data->mode EQ PPP_CLIENT)) |
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278 ppp_data->ppp_cause = PPP_TERM_NO_RESPONSE; |
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279 sig_any_arb_tlf_ind(); |
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280 } |
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281 else |
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282 { |
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283 if(ppp_data->mode EQ PPP_SERVER) |
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284 { |
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285 switch( GET_STATE( PPP_SERVICE_CHAP ) ) |
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286 { |
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287 case CHAP_UP: |
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288 /* |
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289 * create Success packet |
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290 */ |
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291 chap_get_ss(&packet); |
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292 break; |
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293 case CHAP_DOWN: |
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294 /* |
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295 * create Challenge packet |
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296 */ |
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297 chap_get_sc(&packet); |
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298 break; |
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299 default: |
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300 TRACE_EVENT("WARNING: unexpected chap time out request in server mode"); |
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301 break; |
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302 } |
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303 /* |
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304 * send packet |
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305 */ |
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306 sig_any_ftx_packet_req(DTI_PID_CHAP, packet); |
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307 } |
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308 else if(ppp_data->mode EQ PPP_CLIENT) |
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309 { |
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310 switch( GET_STATE( PPP_SERVICE_CHAP ) ) |
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311 { |
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312 case CHAP_UP: |
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313 if(ppp_data->chap.sr) |
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314 { |
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315 /* |
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316 * Retransmit Response packet. |
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317 */ |
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318 packet = ppp_data->chap.c_packet; |
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319 chap_get_sr(&packet); |
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320 /* |
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321 * Send Response packet. |
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322 */ |
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323 sig_any_ftx_packet_req(DTI_PID_CHAP, packet); |
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324 } else { |
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325 TRACE_EVENT("WARNING: CHAP_UP state, but no Response transmitted"); |
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326 } |
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327 break; |
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328 case CHAP_DOWN: |
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329 /* |
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330 * Wait for CHAP Challenge, |
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331 * GET_DATA_REQ will be sent after time out by FTX service. |
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332 */ |
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333 break; |
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334 default: |
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335 TRACE_EVENT("WARNING: unexpected chap time out request in client mode"); |
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336 break; |
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337 } |
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338 } else { |
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339 TRACE_EVENT_P1("ERROR: undefined PPP mode - chap_caps.c (%d)", __LINE__); |
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340 } |
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341 /* |
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342 * restart timer |
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343 */ |
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344 ppp_data->chap.counter--; |
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345 sig_any_rt_rrt_req(); |
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346 } |
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347 } /* sig_arb_chap_to_req() */ |