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annotate freeDiameter/config.c @ 8:3e143f047f78

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Backup for the week-end
author Sebastien Decugis <sdecugis@nict.go.jp>
date Fri, 18 Sep 2009 18:54:07 +0900
parents
children c5c99c73c2bf
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8
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> *
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4 * *
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5 * Copyright (c) 2009, 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 "fD.h"
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37
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38 /* Configuration management */
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39
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40 /* Initialize the fd_g_config structure to default values */
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41 int fd_conf_init()
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42 {
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43 TRACE_ENTRY();
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44
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45 fd_g_config->eyec = EYEC_CONFIG;
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46 fd_g_config->conf_file = DEFAULT_CONF_FILE;
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47
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48 fd_g_config->loc_port = 3868;
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49 fd_g_config->loc_port_tls = 3869;
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50 fd_g_config->loc_sctp_str = 30;
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51 fd_list_init(&fd_g_config->loc_endpoints, NULL);
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52
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53 #ifdef DISABLE_SCTP
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54 fd_g_config->flags.no_sctp = 1;
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55 #endif /* DISABLE_SCTP */
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56
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57 fd_g_config->timer_tc = 30;
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58 fd_g_config->timer_tw = 30;
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59
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60 fd_g_config->or_state_id = (uint32_t) time(NULL);
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61
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62 CHECK_FCT( fd_dict_init(&fd_g_config->g_dict) );
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63 CHECK_FCT( fd_fifo_new(&fd_g_config->g_fifo_main) );
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64
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65 return 0;
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66 }
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67
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68 void fd_conf_dump()
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69 {
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70 if (!TRACE_BOOL(INFO))
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71 return;
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72
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73 fd_log_debug("-- Configuration :\n");
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74 fd_log_debug(" Debug trace level ...... : %+d\n", fd_g_debug_lvl);
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75 fd_log_debug(" Configuration file ..... : %s\n", fd_g_config->conf_file);
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76 fd_log_debug(" Diameter Identity ...... : %s (l:%Zi)\n", fd_g_config->diam_id, fd_g_config->diam_id_len);
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77 fd_log_debug(" Diameter Realm ......... : %s (l:%Zi)\n", fd_g_config->diam_realm, fd_g_config->diam_realm_len);
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78 fd_log_debug(" Local port ............. : %hu\n", fd_g_config->loc_port);
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79 fd_log_debug(" Local secure port ...... : %hu\n", fd_g_config->loc_port_tls);
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80 fd_log_debug(" Number of SCTP streams . : %hu\n", fd_g_config->loc_sctp_str);
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81 if (FD_IS_LIST_EMPTY(&fd_g_config->loc_endpoints)) {
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82 fd_log_debug(" Local endpoints ........ : Default (use all available)\n");
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83 } else {
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84 struct fd_list * li = fd_g_config->loc_endpoints.next;
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85 fd_log_debug(" Local endpoints ........ : ");
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86 while (li != &fd_g_config->loc_endpoints) {
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87 struct fd_endpoint * ep = (struct fd_endpoint *)li;
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88 if (li != fd_g_config->loc_endpoints.next) fd_log_debug(" ");
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89 sSA_DUMP_NODE( &ep->ss, NI_NUMERICHOST );
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90 fd_log_debug("\n");
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91 li = li->next;
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92 }
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93 }
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94 fd_log_debug(" Flags : - IP ........... : %s\n", fd_g_config->flags.no_ip4 ? "DISABLED" : "Enabled");
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95 fd_log_debug(" - IPv6 ......... : %s\n", fd_g_config->flags.no_ip6 ? "DISABLED" : "Enabled");
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96 fd_log_debug(" - Relay app .... : %s\n", fd_g_config->flags.no_fwd ? "DISABLED" : "Enabled");
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97 fd_log_debug(" - TCP .......... : %s\n", fd_g_config->flags.no_tcp ? "DISABLED" : "Enabled");
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98 #ifdef DISABLE_SCTP
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99 fd_log_debug(" - SCTP ......... : DISABLED (at compilation)\n");
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100 #else /* DISABLE_SCTP */
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101 fd_log_debug(" - SCTP ......... : %s\n", fd_g_config->flags.no_sctp ? "DISABLED" : "Enabled");
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102 #endif /* DISABLE_SCTP */
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103 fd_log_debug(" - Pref. proto .. : %s\n", fd_g_config->flags.pr_tcp ? "TCP" : "SCTP");
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104 fd_log_debug(" - TLS method ... : %s\n", fd_g_config->flags.tls_alg ? "INBAND" : "Separate port");
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105 fd_log_debug(" Tc Timer ............... : %u\n", fd_g_config->timer_tc);
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106 fd_log_debug(" Tw Timer ............... : %u\n", fd_g_config->timer_tw);
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107 fd_log_debug(" Origin-State-Id ........ : %u\n", fd_g_config->or_state_id);
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108 }
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109
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110 /* Parse the configuration file (using the yacc parser) */
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111 int fd_conf_parse()
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112 {
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113 extern FILE * fddin;
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114
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115 TRACE_DEBUG (FULL, "Parsing configuration file: %s", fd_g_config->conf_file);
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116
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117 fddin = fopen(fd_g_config->conf_file, "r");
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118 if (fddin == NULL) {
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119 int ret = errno;
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120 fprintf(stderr, "Unable to open configuration file %s for reading: %s\n", fd_g_config->conf_file, strerror(ret));
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121 return ret;
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122 }
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123
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124 /* call yacc parser */
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125 CHECK_FCT( fddparse(fd_g_config) );
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126
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127 /* close the file */
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128 fclose(fddin);
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129
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130 /* Resolve hostname if not provided */
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131 if (fd_g_config->diam_id == NULL) {
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132 #ifndef HOST_NAME_MAX
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133 #define HOST_NAME_MAX 1024
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134 #endif /* HOST_NAME_MAX */
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135 char buf[HOST_NAME_MAX + 1];
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136 struct addrinfo hints, *info;
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137 int ret;
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138
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139 /* local host name */
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140 CHECK_SYS(gethostname(buf, sizeof(buf)));
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141
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142 /* get FQDN */
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143 memset(&hints, 0, sizeof hints);
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144 hints.ai_flags = AI_CANONNAME;
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145
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146 ret = getaddrinfo(buf, NULL, &hints, &info);
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147 if (ret != 0) {
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148 fprintf(stderr, "Error resolving local FQDN :\n"
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149 " '%s' : %s\n"
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150 "Please provide LocalIdentity in configuration file.\n",
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151 buf, gai_strerror(ret));
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152 return EINVAL;
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153 }
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154 CHECK_MALLOC( fd_g_config->diam_id = strdup(info->ai_canonname) );
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155 freeaddrinfo(info);
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156 }
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157
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158 /* cache the length of the diameter id for the session module */
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159 fd_g_config->diam_id_len = strlen(fd_g_config->diam_id);
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160
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161 /* Handle the realm part */
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162 if (fd_g_config->diam_realm == NULL) {
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163 char * start = NULL;
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164
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165 /* Check the diameter identity is a fqdn */
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166 start = strchr(fd_g_config->diam_id, '.');
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167 if ((start == NULL) || (start[1] == '\0')) {
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168 fprintf(stderr, "Unable to extract realm from the LocalIdentity '%s'.\n"
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169 "Please fix your LocalIdentity setting or provide LocalRealm.\n",
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170 fd_g_config->diam_id);
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171 return EINVAL;
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172 }
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173
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174 CHECK_MALLOC( fd_g_config->diam_realm = strdup( start + 1 ) );
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175 }
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176 fd_g_config->diam_realm_len = strlen(fd_g_config->diam_realm);
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177
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178 /* Validate some flags */
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179 if (fd_g_config->flags.no_ip4 && fd_g_config->flags.no_ip6) {
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180 fprintf(stderr, "IP and IPv6 cannot be disabled at the same time.\n");
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181 return EINVAL;
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182 }
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183 if (fd_g_config->flags.no_tcp && fd_g_config->flags.no_sctp) {
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184 fprintf(stderr, "TCP and SCTP cannot be disabled at the same time.\n");
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185 return EINVAL;
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186 }
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187
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188 return 0;
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189 }
"Welcome to our mercurial repository"