Mercurial > hg > freeDiameter

annotate libfdcore/messages.c @ 1281:ab6457399be2 1.2.1-rc1

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Updated copyright information
author Sebastien Decugis <sdecugis@freediameter.net>
date Sat, 03 Jan 2015 02:23:28 +0800
parents 25fad6714991
children 10143e09abdf
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@freediameter.net> *
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4 * *
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5 * Copyright (c) 2015, WIDE Project and NICT *
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6 * All rights reserved. *
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7 * *
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8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
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9 * permitted provided that the following conditions are met: *
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10 * *
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11 * * Redistributions of source code must retain the above *
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12 * copyright notice, this list of conditions and the *
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13 * following disclaimer. *
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14 * *
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15 * * Redistributions in binary form must reproduce the above *
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16 * copyright notice, this list of conditions and the *
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17 * following disclaimer in the documentation and/or other *
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18 * materials provided with the distribution. *
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19 * *
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20 * * Neither the name of the WIDE Project or NICT nor the *
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21 * names of its contributors may be used to endorse or *
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22 * promote products derived from this software without *
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23 * specific prior written permission of WIDE Project and *
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24 * NICT. *
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25 * *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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34 *********************************************************************************************************/
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35
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36 #include "fdcore-internal.h"
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37
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38 static struct dict_object * dict_avp_SI = NULL; /* Session-Id */
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39 static struct dict_object * dict_avp_OH = NULL; /* Origin-Host */
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40 static struct dict_object * dict_avp_OR = NULL; /* Origin-Realm */
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41 static struct dict_object * dict_avp_EM = NULL; /* Error-Message */
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42 static struct dict_object * dict_avp_ERH = NULL; /* Error-Reporting-Host */
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43 static struct dict_object * dict_avp_FAVP= NULL; /* Failed-AVP */
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44 static struct dict_object * dict_avp_RC = NULL; /* Result-Code */
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45 struct dict_object * fd_dict_avp_OSI = NULL; /* Origin-State-Id */
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46 struct dict_object * fd_dict_cmd_CER = NULL; /* Capabilities-Exchange-Request */
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47 struct dict_object * fd_dict_cmd_DWR = NULL; /* Device-Watchdog-Request */
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48 struct dict_object * fd_dict_avp_DC = NULL; /* Disconnect-Cause */
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49 struct dict_object * fd_dict_cmd_DPR = NULL; /* Disconnect-Peer-Request */
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50
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51 /* Resolve the dictionary objects */
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52 int fd_msg_init(void)
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53 {
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54 TRACE_ENTRY("");
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55
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56 /* Initialize the dictionary objects that we may use frequently */
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57 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &dict_avp_SI , ENOENT) );
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58 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Origin-Host", &dict_avp_OH , ENOENT) );
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59 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Origin-Realm", &dict_avp_OR , ENOENT) );
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60 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Origin-State-Id", &fd_dict_avp_OSI , ENOENT) );
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62 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Result-Code", &dict_avp_RC , ENOENT) );
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63 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Error-Message", &dict_avp_EM , ENOENT) );
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64 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Error-Reporting-Host", &dict_avp_ERH , ENOENT) );
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65 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Failed-AVP", &dict_avp_FAVP, ENOENT) );
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67 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Disconnect-Cause", &fd_dict_avp_DC , ENOENT) );
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69 CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Capabilities-Exchange-Request", &fd_dict_cmd_CER, ENOENT ) );
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70 CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Device-Watchdog-Request", &fd_dict_cmd_DWR, ENOENT ) );
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71 CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Disconnect-Peer-Request", &fd_dict_cmd_DPR, ENOENT ) );
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72
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73
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74 return 0;
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75 }
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76
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77 /* Add Origin-Host, Origin-Realm, Origin-State-Id AVPS at the end of the message */
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78 int fd_msg_add_origin ( struct msg * msg, int osi )
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79 {
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80 union avp_value val;
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81 struct avp * avp_OH = NULL;
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82 struct avp * avp_OR = NULL;
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83 struct avp * avp_OSI = NULL;
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84
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85 TRACE_ENTRY("%p", msg);
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86 CHECK_PARAMS( msg );
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87
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88 /* Create the Origin-Host AVP */
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89 CHECK_FCT( fd_msg_avp_new( dict_avp_OH, 0, &avp_OH ) );
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90
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91 /* Set its value */
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92 memset(&val, 0, sizeof(val));
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93 val.os.data = (os0_t)fd_g_config->cnf_diamid;
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94 val.os.len = fd_g_config->cnf_diamid_len;
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95 CHECK_FCT( fd_msg_avp_setvalue( avp_OH, &val ) );
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96
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97 /* Add it to the message */
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98 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_OH ) );
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99
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100
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101 /* Create the Origin-Realm AVP */
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102 CHECK_FCT( fd_msg_avp_new( dict_avp_OR, 0, &avp_OR ) );
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103
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104 /* Set its value */
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105 memset(&val, 0, sizeof(val));
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106 val.os.data = (os0_t)fd_g_config->cnf_diamrlm;
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107 val.os.len = fd_g_config->cnf_diamrlm_len;
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108 CHECK_FCT( fd_msg_avp_setvalue( avp_OR, &val ) );
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109
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110 /* Add it to the message */
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111 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_OR ) );
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112
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113 if (osi) {
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114 /* Create the Origin-State-Id AVP */
66
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115 CHECK_FCT( fd_msg_avp_new( fd_dict_avp_OSI, 0, &avp_OSI ) );
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116
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117 /* Set its value */
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118 memset(&val, 0, sizeof(val));
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119 val.u32 = fd_g_config->cnf_orstateid;
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120 CHECK_FCT( fd_msg_avp_setvalue( avp_OSI, &val ) );
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121
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122 /* Add it to the message */
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123 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_OSI ) );
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124 }
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125
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126 return 0;
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127 }
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128
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129 /* Create a new Session-Id and add at the beginning of the message. */
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130 int fd_msg_new_session( struct msg * msg, os0_t opt, size_t optlen )
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131 {
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132 union avp_value val;
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133 struct avp * avp = NULL;
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134 struct session * sess = NULL;
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135 os0_t sid;
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136 size_t sidlen;
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137
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138 TRACE_ENTRY("%p %p %zd", msg, opt, optlen);
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139 CHECK_PARAMS( msg );
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140
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141 /* Check there is not already a session in the message */
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142 CHECK_FCT( fd_msg_sess_get(fd_g_config->cnf_dict, msg, &sess, NULL) );
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143 CHECK_PARAMS( sess == NULL );
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144
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145 /* Ok, now create the session */
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146 CHECK_FCT( fd_sess_new ( &sess, fd_g_config->cnf_diamid, fd_g_config->cnf_diamid_len, opt, optlen ) );
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147 CHECK_FCT( fd_sess_getsid( sess, &sid, &sidlen) );
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148
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149 /* Create an AVP to hold it */
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150 CHECK_FCT( fd_msg_avp_new( dict_avp_SI, 0, &avp ) );
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151
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152 /* Set its value */
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153 memset(&val, 0, sizeof(val));
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154 val.os.data = sid;
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155 val.os.len = sidlen;
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156 CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) );
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157
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158 /* Add it to the message */
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159 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_FIRST_CHILD, avp ) );
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160
924
877592751fee Fix (tentative) for invalid handling of sessions fast creation/destruction as pointed by Yusuke Okura -- http://lists.freediameter.net/pipermail/help/2013-February/000584.html and http://lists.freediameter.net/pipermail/help/2013-February/000589.html -- Thank you very much
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161 /* Save the session associated with the message */
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162 CHECK_FCT( fd_msg_sess_set( msg, sess) );
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163
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164 /* Done! */
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165 return 0;
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166 }
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167
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168
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169 /* Add Result-Code and eventually Failed-AVP, Error-Message and Error-Reporting-Host AVPs */
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170 int fd_msg_rescode_set( struct msg * msg, char * rescode, char * errormsg, struct avp * optavp, int type_id )
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171 {
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172 union avp_value val;
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173 struct avp * avp_RC = NULL;
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174 struct avp * avp_EM = NULL;
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175 struct avp * avp_ERH = NULL;
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176 struct avp * avp_FAVP= NULL;
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177 uint32_t rc_val = 0;
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178 int set_e_bit=0;
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179 int std_err_msg=0;
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180
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181 TRACE_ENTRY("%p %s %p %p %d", msg, rescode, errormsg, optavp, type_id);
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182
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183 CHECK_PARAMS( msg && rescode );
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184
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185 /* Find the enum value corresponding to the rescode string, this will give the class of error */
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186 {
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187 struct dict_object * enum_obj = NULL;
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188 struct dict_enumval_request req;
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189 memset(&req, 0, sizeof(struct dict_enumval_request));
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190
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191 /* First, get the enumerated type of the Result-Code AVP (this is fast, no need to cache the object) */
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192 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_TYPE, TYPE_OF_AVP, dict_avp_RC, &(req.type_obj), ENOENT ) );
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193
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194 /* Now search for the value given as parameter */
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195 req.search.enum_name = rescode;
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196 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &req, &enum_obj, ENOTSUP) );
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197
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198 /* finally retrieve its data */
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199 CHECK_FCT_DO( fd_dict_getval( enum_obj, &(req.search) ), return EINVAL );
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200
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201 /* copy the found value, we're done */
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202 rc_val = req.search.enum_value.u32;
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203 }
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204
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205 if (type_id == 1) {
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206 /* Add the Origin-Host and Origin-Realm AVP */
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207 CHECK_FCT( fd_msg_add_origin ( msg, 0 ) );
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208 }
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209
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210 /* Create the Result-Code AVP */
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211 CHECK_FCT( fd_msg_avp_new( dict_avp_RC, 0, &avp_RC ) );
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212
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213 /* Set its value */
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214 memset(&val, 0, sizeof(val));
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215 val.u32 = rc_val;
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216 CHECK_FCT( fd_msg_avp_setvalue( avp_RC, &val ) );
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217
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218 /* Add it to the message */
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219 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_RC ) );
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220
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221 if (type_id == 2) {
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222 /* Add the Error-Reporting-Host AVP */
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223
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224 CHECK_FCT( fd_msg_avp_new( dict_avp_ERH, 0, &avp_ERH ) );
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225
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226 /* Set its value */
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227 memset(&val, 0, sizeof(val));
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228 val.os.data = (uint8_t *)fd_g_config->cnf_diamid;
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229 val.os.len = fd_g_config->cnf_diamid_len;
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230 CHECK_FCT( fd_msg_avp_setvalue( avp_ERH, &val ) );
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231
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232 /* Add it to the message */
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233 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_ERH ) );
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parents:
diff changeset
234
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
235 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
236
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
237 /* Now add the optavp in a FailedAVP if provided */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
238 if (optavp) {
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
239 struct avp * optavp_cpy = NULL;
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
240 struct avp_hdr *opt_hdr, *optcpy_hdr;
1250
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
241 struct dict_object * opt_model = NULL;
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
242 int is_grouped = 0;
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
243
10
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
244 /* Create the Failed-AVP AVP */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
245 CHECK_FCT( fd_msg_avp_new( dict_avp_FAVP, 0, &avp_FAVP ) );
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
246
1250
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
247 /* Was this AVP a grouped one? Best effort only here */
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
248 if (!fd_msg_model ( optavp, &opt_model ) && (opt_model != NULL)) {
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
249 struct dict_avp_data dictdata;
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
250 CHECK_FCT( fd_dict_getval(opt_model, &dictdata) );
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
251 if (dictdata.avp_basetype == AVP_TYPE_GROUPED)
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
252 is_grouped = 1;
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
253 }
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
254
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
255 /* Create a new AVP with a copy of the data of the invalid or missing AVP */
892
b2e8f1a3ef76 Allow the content of the Failed-AVP to be parseable to bufferize the message. The content is only padded currently
Sebastien Decugis <sdecugis@freediameter.net>
parents: 891
diff changeset
256 optavp_cpy = optavp;
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
257
1250
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
258 if (is_grouped) {
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
259 CHECK_FCT( fd_msg_avp_new( opt_model, 0, &optavp_cpy) );
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
260 } else {
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
261 CHECK_FCT( fd_msg_avp_new( NULL, AVPFL_SET_BLANK_VALUE | AVPFL_SET_RAWDATA_FROM_AVP, &optavp_cpy) );
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
262
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
263 CHECK_FCT( fd_msg_avp_hdr(optavp, &opt_hdr) );
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
264 CHECK_FCT( fd_msg_avp_hdr(optavp_cpy, &optcpy_hdr) );
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
265 memcpy(optcpy_hdr, opt_hdr, sizeof(struct avp_hdr));
446683efbb1f Attempt fix for Failed-AVP created with a Grouped AVP, in that case we want an empty AVP by default, not a blank AVP of the same length
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1230
diff changeset
266 }
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
267
10
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
268 /* Add the passed AVP inside it */
891
9432ac55823c Tentative fix for the parse_or_error function
Sebastien Decugis <sdecugis@freediameter.net>
parents: 837
diff changeset
269 CHECK_FCT( fd_msg_avp_add( avp_FAVP, MSG_BRW_LAST_CHILD, optavp_cpy ) );
10
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
270
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
271 /* And add to the message */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
272 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_FAVP ) );
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
273 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
274
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
275
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
276 /* Deal with the 'E' bit and the error message */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
277 switch (rc_val / 1000) {
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
278 case 1: /* Informational */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
279 case 2: /* Success */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
280 /* Nothing special here: no E bit, no error message unless one is specified */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
281 break;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
282
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
283 case 3: /* Protocol Errors */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
284 set_e_bit = 1;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
285 std_err_msg = 1;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
286 break;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
287
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
288 case 4: /* Transcient Failure */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
289 case 5: /* Permanent Failure */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
290 default:
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
291 std_err_msg = 1;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
292 break;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
293
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
294 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
295
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
296 {
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
297 struct msg_hdr * hdr = NULL;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
298
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
299 CHECK_FCT( fd_msg_hdr( msg, &hdr ) );
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
300
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
301 if (set_e_bit)
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
302 hdr->msg_flags |= CMD_FLAG_ERROR;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
303 else
912
0a46772fad5d Fix handling the CMD_FLAG_ERROR bit -- http://lists.freediameter.net/pipermail/help/2013-January/000575.html
Sebastien Decugis <sdecugis@freediameter.net>
parents: 892
diff changeset
304 hdr->msg_flags &= ~ CMD_FLAG_ERROR;
10
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
305 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
306
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
307 if (std_err_msg || errormsg) {
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
308 /* Add the Error-Message AVP */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
309
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
310 CHECK_FCT( fd_msg_avp_new( dict_avp_EM, 0, &avp_EM ) );
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
311
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
312 /* Set its value */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
313 memset(&val, 0, sizeof(val));
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
314
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
315 if (errormsg) {
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 688
diff changeset
316 val.os.data = (uint8_t *)errormsg;
10
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
317 val.os.len = strlen(errormsg);
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
318 } else {
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 688
diff changeset
319 val.os.data = (uint8_t *)rescode;
10
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
320 val.os.len = strlen(rescode);
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
321 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
322 CHECK_FCT( fd_msg_avp_setvalue( avp_EM, &val ) );
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
323
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
324 /* Add it to the message */
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
325 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp_EM ) );
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
326 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
327
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
328 return 0;
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
329 }
c5c99c73c2bf Added some extensions and functions in the daemon
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
330
1113
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
331 static int fd_msg_send_int( struct msg ** pmsg, void (*anscb)(void *, struct msg **), void * data, void (*expirecb)(void *, DiamId_t, size_t, struct msg **), const struct timespec *timeout )
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
332 {
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
333 struct msg_hdr *hdr;
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
334 DiamId_t diamid;
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
335
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
336 /* Save the callback in the message, with the timeout */
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
337 CHECK_FCT( fd_msg_anscb_associate( *pmsg, anscb, data, expirecb, timeout ) );
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
338
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
339 /* If this is a new request, call the HOOK_MESSAGE_LOCAL hook */
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
340 if ( (fd_msg_hdr(*pmsg, &hdr) == 0)
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
341 && (hdr->msg_flags & CMD_FLAG_REQUEST)
1120
c473581adff2 Cleanup some traces
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1113
diff changeset
342 && (fd_msg_source_get(*pmsg, &diamid, NULL) == 0)
1113
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
343 && (diamid == NULL)) {
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
344 fd_hook_call(HOOK_MESSAGE_LOCAL, *pmsg, NULL, NULL, fd_msg_pmdl_get(*pmsg));
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
345 }
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
346
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
347 /* Post the message in the outgoing queue */
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
348 CHECK_FCT( fd_fifo_post(fd_g_outgoing, pmsg) );
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
349
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
350 return 0;
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
351 }
eb4ce68b6e5c Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1103
diff changeset
352
1228
e5010975da35 Fix typo in comment.
Thomas Klausner <tk@giga.or.at>
parents: 1120
diff changeset
353 /* Send a message and optionally register a callback for an answer */
10
c5c99c73c2bf Added some extensions and functions in the daemon
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354 int fd_msg_send ( struct msg ** pmsg, void (*anscb)(void *, struct msg **), void * data )
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355 {
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356 TRACE_ENTRY("%p %p %p", pmsg, anscb, data);
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357 CHECK_PARAMS( pmsg );
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358
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359 return fd_msg_send_int(pmsg, anscb, data, NULL, NULL);
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360 }
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361
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362 /* The variation of the same function with a timeout callback */
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363 int fd_msg_send_timeout ( struct msg ** pmsg, void (*anscb)(void *, struct msg **), void * data, void (*expirecb)(void *, DiamId_t, size_t, struct msg **), const struct timespec *timeout )
646
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364 {
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365 TRACE_ENTRY("%p %p %p %p %p", pmsg, anscb, data, expirecb, timeout);
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366 CHECK_PARAMS( pmsg && expirecb && timeout );
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367
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368 return fd_msg_send_int(pmsg, anscb, data, expirecb, timeout);
646
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369 }
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370
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371
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372 /* Parse a message against our dictionary, and in case of error log and eventually build the error reply -- returns the parsing status */
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373 int fd_msg_parse_or_error( struct msg ** msg, struct msg **error)
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374 {
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375 int ret = 0;
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376 struct msg * m;
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377 struct msg_hdr * hdr = NULL;
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378 struct fd_pei pei;
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379
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380 TRACE_ENTRY("%p", msg);
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381
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382 CHECK_PARAMS(msg && *msg && error);
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383 m = *msg;
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384 *error = NULL;
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385
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386 /* Parse the message against our dictionary */
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387 ret = fd_msg_parse_rules ( m, fd_g_config->cnf_dict, &pei);
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388 if ((ret != EBADMSG) /* Parsing grouped AVP failed / Conflicting rule found */
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389 && (ret != ENOTSUP)) /* Command is not supported / Mandatory AVP is not supported */
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4ffbc9f1e922 Large UNTESTED commit with the following changes:
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390 return ret; /* 0 or another error */
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391
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392 /* Log */
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393 fd_hook_call(HOOK_MESSAGE_PARSING_ERROR, m, NULL, pei.pei_message ?: pei.pei_errcode, fd_msg_pmdl_get(m));
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394
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395 CHECK_FCT( fd_msg_hdr(m, &hdr) );
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396
116
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397 /* Now create an answer error if the message is a query */
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398 if (hdr->msg_flags & CMD_FLAG_REQUEST) {
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399
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400 /* Create the error message */
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401 CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, &m, pei.pei_protoerr ? MSGFL_ANSW_ERROR : 0 ) );
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402
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403 /* Set the error code */
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404 CHECK_FCT( fd_msg_rescode_set(m, pei.pei_errcode, pei.pei_message, pei.pei_avp, 1 ) );
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diff changeset
405
1230
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parents: 1228
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406 /* free the pei AVP to avoid memory leak */
e72c9dad62ac Fix issue with generating Failed-AVP when the error is DIAMETER_MISSING_AVP. Also fix a memory leak in that case
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parents: 1228
diff changeset
407 if (pei.pei_avp_free) {
e72c9dad62ac Fix issue with generating Failed-AVP when the error is DIAMETER_MISSING_AVP. Also fix a memory leak in that case
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408 fd_msg_free(pei.pei_avp);
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parents: 1228
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409 }
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diff changeset
410
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411 *msg = NULL;
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412 *error = m;
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413
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414 } else {
116
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415 do { /* Rescue error messages */
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416 struct avp * avp;
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417 union avp_value * rc = NULL;
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418
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419 /* Search the Result-Code AVP */
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420 CHECK_FCT_DO( fd_msg_browse(*msg, MSG_BRW_FIRST_CHILD, &avp, NULL), break );
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421 while (avp) {
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422 struct avp_hdr * ahdr;
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423 CHECK_FCT_DO( fd_msg_avp_hdr( avp, &ahdr ), break );
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424
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425 if ((ahdr->avp_code == AC_RESULT_CODE) && (! (ahdr->avp_flags & AVP_FLAG_VENDOR)) ) {
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diff changeset
426 /* Parse this AVP */
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diff changeset
427 ASSERT( ahdr->avp_value );
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diff changeset
428 rc = ahdr->avp_value;
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diff changeset
429 break;
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diff changeset
430 }
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diff changeset
431
638647100330 Changed function to accept invalid ABNF in error messages
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432 /* Go to next AVP */
638647100330 Changed function to accept invalid ABNF in error messages
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433 CHECK_FCT_DO( fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL), break );
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diff changeset
434 }
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diff changeset
435
638647100330 Changed function to accept invalid ABNF in error messages
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diff changeset
436 if (rc) {
638647100330 Changed function to accept invalid ABNF in error messages
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diff changeset
437 switch (rc->u32 / 1000) {
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diff changeset
438 case 1: /* 1xxx : Informational */
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diff changeset
439 case 2: /* 2xxx : Sucess */
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diff changeset
440 /* In these cases, we want the message to validate the ABNF, so we will discard the bad message */
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441 break;
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diff changeset
442
638647100330 Changed function to accept invalid ABNF in error messages
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diff changeset
443 default: /* Other errors */
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diff changeset
444 /* We let the application decide what to do with the message, we rescue it */
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diff changeset
445 *error = m;
116
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446 }
638647100330 Changed function to accept invalid ABNF in error messages
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447 }
638647100330 Changed function to accept invalid ABNF in error messages
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diff changeset
448 } while (0);
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449 }
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diff changeset
450
115
926e6b016778 Fix return value
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diff changeset
451 return EBADMSG; /* We convert ENOTSUP to EBADMSG as well */
34
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diff changeset
452 }
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