Mercurial > hg > freeDiameter
annotate extensions/app_sip/registrationtermination.c @ 1416:a2ce56c34dd8
app_sip: fix RTR handling
Fix check for empty strreason.
(detected by Apple clang 11.0.0)
author | Luke Mewburn <luke@mewburn.net> |
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date | Tue, 18 Feb 2020 19:33:08 +1100 |
parents | b3d623f04b6d |
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rev | line source |
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409
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1 /********************************************************************************************************* |
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2 * Software License Agreement (BSD License) * |
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3 * Author: Alexandre Westfahl <awestfahl@freediameter.net> * |
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4 * * |
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5 * Copyright (c) 2010, Alexandre Westfahl, Teraoka Laboratory (Keio University), and the WIDE Project. * |
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6 * * |
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7 * All rights reserved. * |
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8 * * |
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9 * Redistribution and use of this software in source and binary forms, with or without modification, are * |
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10 * permitted provided that the following conditions are met: * |
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11 * * |
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12 * * Redistributions of source code must retain the above * |
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13 * copyright notice, this list of conditions and the * |
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14 * following disclaimer. * |
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15 * * |
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16 * * Redistributions in binary form must reproduce the above * |
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17 * copyright notice, this list of conditions and the * |
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18 * following disclaimer in the documentation and/or other * |
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19 * materials provided with the distribution. * |
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20 * * |
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21 * * Neither the name of the Teraoka Laboratory nor the * |
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22 * names of its contributors may be used to endorse or * |
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23 * promote products derived from this software without * |
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24 * specific prior written permission of Teraoka Laboratory * |
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25 * * |
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26 * * |
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27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * |
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28 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * |
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29 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * |
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * |
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31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * |
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32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * |
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33 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * |
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34 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * |
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35 *********************************************************************************************************/ |
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36 #include "app_sip.h" |
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37 #include <sys/types.h> |
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38 #include <sys/socket.h> |
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39 #include <netinet/in.h> |
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40 #include <arpa/inet.h> |
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41 #include <unistd.h> |
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42 typedef int SOCKET; |
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43 typedef struct sockaddr_in SOCKADDR_IN; |
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44 typedef struct sockaddr SOCKADDR; |
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45 |
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46 //Procedure which always wait for data on socket |
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47 void *rtr_socket(void *arg) |
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48 { |
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49 SOCKET sock; |
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50 SOCKADDR_IN sin, csin; |
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51 struct rtrsipaor rtrsip; |
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52 int rcvbytes=0; |
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53 sock = socket(AF_INET, SOCK_STREAM, 0); |
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54 sin.sin_addr.s_addr = inet_addr("127.0.0.1"); |
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55 sin.sin_family = AF_INET; |
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56 sin.sin_port = htons(as_conf->rtr_port); |
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57 socklen_t sinsize = sizeof(csin); |
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58 int accepted=0; |
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59 |
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60 if(!bind(sock, (SOCKADDR*)&sin, sizeof(sin))) |
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61 { |
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62 if(listen(sock,1)) |
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63 { |
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64 TRACE_DEBUG(INFO,"ERROR on listen!"); |
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65 } |
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66 |
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67 while(1) |
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68 { |
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69 accepted=accept(sock, (struct sockaddr *)&csin,&sinsize); |
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70 if(accepted>-1) |
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71 { |
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72 rcvbytes=recv(accepted, &rtrsip, sizeof(struct rtrsipaor),0); |
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73 |
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74 if(rcvbytes>-1) |
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75 { |
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76 //We received something, we can send an RTR |
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77 app_sip_RTR_cb(&rtrsip); |
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78 } |
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79 } |
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80 } |
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81 } |
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82 else |
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83 TRACE_DEBUG(INFO,"Can't create socket!"); |
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84 |
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85 |
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86 pthread_exit(NULL); |
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87 |
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88 } |
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89 //Called to send a RTR |
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90 int app_sip_RTR_cb(struct rtrsipaor *structure) |
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91 { |
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92 TRACE_ENTRY("%p", structure); |
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93 |
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94 int got_username=0; |
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95 int got_streason=0; |
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96 int num_aor=0;//How many SIP-AOR? |
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97 struct dict_object * rtr_model=NULL; |
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98 struct msg * message=NULL; |
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99 struct avp *groupedavp=NULL, *avp=NULL; |
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100 union avp_value value; |
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101 |
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102 //We must check that we have all needed value in structure |
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103 if(structure->username[0]!='\0') |
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104 got_username=1; |
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105 |
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106 if(structure->sip_aor1[0]!='\0') |
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107 { |
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108 num_aor++; |
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109 if(structure->sip_aor2[0]!='\0') |
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110 { |
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111 num_aor++; |
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112 if(structure->sip_aor3[0]!='\0') |
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113 num_aor++; |
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114 } |
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115 } |
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116 |
1416 | 117 if(structure->strreason[0]!='\0') |
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118 got_streason=1; |
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119 |
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120 |
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121 TRACE_DEBUG(FULL,"Request for %d SIP_AOR to be deregistred.",num_aor); |
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122 |
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123 if((got_username + num_aor)==0) |
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124 { |
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125 //We must have a least a SIP_AOR or a Username |
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126 TRACE_DEBUG(INFO,"Can not proceed because there is no SIP_AOR or Username"); |
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127 return EINVAL; |
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128 } |
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129 if(structure->reason<0) |
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130 { |
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131 //We must have a least a SIP_AOR or a Username |
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132 TRACE_DEBUG(INFO,"Incorrect Reason-Code"); |
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133 return EINVAL; |
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134 } |
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135 |
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136 if(structure->desthost[0]=='\0') |
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137 { |
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138 //We must have a least a SIP_AOR or a Username |
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139 TRACE_DEBUG(INFO,"No Destination_Host was provided!"); |
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140 return EINVAL; |
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141 } |
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142 //Create the base message for an RTR |
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143 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Registration-Termination-Request", &rtr_model, ENOENT) ); |
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144 CHECK_FCT( fd_msg_new (rtr_model, 0, &message)); |
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145 |
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146 // Create a new session |
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147 { |
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148 #define APP_SIP_SID_OPT "app_sip" |
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149 CHECK_FCT( fd_msg_new_session( message, (os0_t)APP_SIP_SID_OPT, CONSTSTRLEN(APP_SIP_SID_OPT) ) ); |
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150 } |
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151 |
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152 //Add the Auth-Application-Id |
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153 { |
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154 CHECK_FCT( fd_msg_avp_new ( sip_dict.Auth_Application_Id, 0, &avp ) ); |
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155 value.i32 = 6; |
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156 CHECK_FCT( fd_msg_avp_setvalue ( avp, &value ) ); |
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157 CHECK_FCT( fd_msg_avp_add ( message, MSG_BRW_LAST_CHILD, avp) ); |
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158 } |
419
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159 |
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160 //Auth_Session_State |
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161 { |
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162 CHECK_FCT( fd_msg_avp_new ( sip_dict.Auth_Session_State, 0, &avp ) ); |
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163 value.i32=1; |
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164 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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165 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) ); |
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166 } |
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167 |
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168 //Origin_Host & Origin_Realm |
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169 CHECK_FCT( fd_msg_add_origin ( message, 0 )); |
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170 |
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171 //Destination_Host |
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172 { |
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173 CHECK_FCT( fd_msg_avp_new ( sip_dict.Destination_Host, 0, &avp ) ); |
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174 value.os.data=(unsigned char *)structure->desthost; |
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175 value.os.len=(size_t)strlen(structure->desthost); |
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176 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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177 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) ); |
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178 } |
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179 |
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180 |
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181 //SIP Deregistration Reason (Grouped AVP) |
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182 { |
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183 CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Deregistration_Reason, 0, &groupedavp ) ); |
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184 |
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185 //Reason Code |
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186 CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Reason_Code, 0, &avp ) ); |
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187 value.i32=structure->reason; |
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188 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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189 CHECK_FCT( fd_msg_avp_add( groupedavp, MSG_BRW_LAST_CHILD, avp ) ); |
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190 |
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191 if(got_streason) |
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192 { |
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193 //Reason Info |
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194 CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Reason_Info, 0, &avp ) ); |
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195 value.os.data=(unsigned char *)structure->strreason; |
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196 value.os.len=(size_t)strlen(structure->strreason); |
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197 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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198 CHECK_FCT( fd_msg_avp_add( groupedavp, MSG_BRW_LAST_CHILD, avp ) ); |
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199 } |
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200 |
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201 //We add the grouped AVP to the message |
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202 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, groupedavp ) ); |
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203 } |
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204 |
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205 //Username |
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206 { |
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207 if(got_username) |
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208 { |
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209 CHECK_FCT( fd_msg_avp_new ( sip_dict.User_Name, 0, &avp ) ); |
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210 value.os.data=(unsigned char *)structure->username; |
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211 value.os.len=(size_t)strlen(structure->username); |
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212 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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213 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) ); |
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214 } |
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215 } |
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216 |
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217 //SIP_AOR |
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218 { |
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219 if(num_aor>0) |
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220 { |
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221 CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_AOR, 0, &avp ) ); |
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222 value.os.data=(unsigned char *)structure->sip_aor1; |
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223 value.os.len=(size_t)strlen(structure->sip_aor1); |
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224 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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225 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) ); |
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226 if(num_aor>1) |
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227 { |
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228 CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_AOR, 0, &avp ) ); |
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229 value.os.data=(unsigned char *)structure->sip_aor2; |
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230 value.os.len=(size_t)strlen(structure->sip_aor2); |
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231 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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232 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) ); |
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233 if(num_aor>2) |
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234 { |
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235 CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_AOR, 0, &avp ) ); |
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236 value.os.data=(unsigned char *)structure->sip_aor3; |
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237 value.os.len=(size_t)strlen(structure->sip_aor3); |
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238 CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) ); |
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239 CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) ); |
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240 } |
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241 } |
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242 } |
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243 } |
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244 |
420
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245 //TODO:remove for debug |
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246 //fd_msg_dump_walk(INFO,message); |
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247 CHECK_FCT( fd_msg_send( &message, NULL, NULL )); |
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248 |
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249 return 0; |
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250 } |
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251 |
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252 //Called when an RTA arrive |
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253 int app_sip_RTA_cb( struct msg ** msg, struct avp * paramavp, struct session * sess, void * opaque, enum disp_action * act) |
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254 { |
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255 //TODO: RTA reception |
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256 /* |
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257 //TODO:remove unused variables |
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258 struct msg *ans, *qry; |
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259 struct avp *avp, *a2, *authdataitem; |
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260 struct msg_hdr * header = NULL; |
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261 struct avp_hdr * avphdr=NULL, *avpheader=NULL, *avpheader_auth=NULL,*digestheader=NULL; |
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262 union avp_value val; |
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263 int found_cnonce=0; |
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264 struct avp * tempavp=NULL,*sipAuthentication=NULL,*sipAuthenticate=NULL; |
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265 char * result; |
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266 int idx=0, idx2=0, number_of_auth_items=0,i=0; |
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267 //Flags and variables for Database |
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268 int sipurinotstored=0, authenticationpending=0, querylen=0, usernamelen=0; |
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269 char *query=NULL,*username=NULL; |
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270 |
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271 |
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272 |
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273 TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act); |
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274 |
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275 if (msg == NULL) |
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276 return EINVAL; |
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277 |
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278 |
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279 // Create answer header |
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280 qry = *msg; |
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281 CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, msg, 0 ) ); |
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282 ans = *msg; |
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283 |
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284 |
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285 // Add the Auth-Session-State AVP |
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286 { |
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287 |
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288 CHECK_FCT( fd_msg_search_avp ( qry, sip_dict.Auth_Session_State, &avp) ); |
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289 CHECK_FCT( fd_msg_avp_hdr( avp, &avphdr ) ); |
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290 |
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291 CHECK_FCT( fd_msg_avp_new ( sip_dict.Auth_Session_State, 0, &avp ) ); |
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292 CHECK_FCT( fd_msg_avp_setvalue( avp, avphdr->avp_value ) ); |
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293 CHECK_FCT( fd_msg_avp_add( ans, MSG_BRW_LAST_CHILD, avp ) ); |
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294 } |
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295 |
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296 CHECK_FCT( fd_msg_search_avp ( qry, sip_dict.SIP_Deregistration_Reason, &avp) ); |
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297 CHECK_FCT( fd_msg_avp_hdr( avp, &avphdr ) ); |
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298 |
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299 |
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300 |
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301 |
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302 |
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303 |
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304 |
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305 |
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306 |
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307 |
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308 |
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309 |
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310 |
419
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311 */ |
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312 return 0; |
409
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313 |
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314 } |
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315 |