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annotate extensions/radius_gw/rg_common.h @ 410:9cb1799c40d1

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Added code to convert Access-Request attributes to Diameter AVPs
author Sebastien Decugis <sdecugis@nict.go.jp>
date Thu, 11 Jun 2009 16:59:45 +0900
parents 3a8e91184d4d
children fc0d723c1f8b
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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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e86dba02630a Updated copyright information
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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 /* This file contains definitions for both radius_gw extension and subextensions. */
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38 #ifndef _RG_COMMON_H
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39 #define _RG_COMMON_H
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41 /* Some headers that are useful in many files */
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42 #include <pthread.h>
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43 #include <string.h>
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44 #include <stdlib.h>
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45 #include <errno.h>
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46 #include <stdint.h>
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47 #include <dlfcn.h>
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48 #include <sys/socket.h>
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49 #include <netdb.h>
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51 /* This should be overwritten before including this file */
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52 #ifndef DEFINE_DEBUG_MACRO
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53 # define DEFINE_DEBUG_MACRO rg_common
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54 # ifndef RG_COMMON_VERBO
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55 # define RG_COMMON_VERBO 0
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56 # endif /* RG_COMMON_VERBO */
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57 static int rg_common_verbosity = RG_COMMON_VERBO;
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58 #endif /* DEFINE_DEBUG_MACRO */
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59
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60 /* Include the waaad API definition */
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61 #define IN_EXTENSION
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62 #include <waaad/waaad.h>
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64 /* Include host-specific defines */
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65 #include "rg_host.h"
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67 /* Include hostap files for RADIUS processings */
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68 #include "hostap_compat.h"
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69 #include "md5.h"
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70 #include "radius.h"
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72 /* Include the radius_gw API definition */
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73 #include "rg_api.h"
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75 /* Type of message / server */
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76 #define RGW_EXT_TYPE_AUTH 1
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77 #define RGW_EXT_TYPE_ACCT 2
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80 /**************************************************************/
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81 /* Additional RADIUS definitions */
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82 /**************************************************************/
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83 /* Attributes missing from radius.h (not used in EAP) */
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84 enum { RADIUS_ATTR_CHAP_PASSWORD = 3,
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85 RADIUS_ATTR_SERVICE_TYPE = 6,
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86 RADIUS_ATTR_FRAMED_PROTOCOL = 7,
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87 RADIUS_ATTR_FRAMED_IP_ADDRESS = 8,
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88 RADIUS_ATTR_FRAMED_IP_NETMASK = 9,
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89 RADIUS_ATTR_FRAMED_ROUTING = 10,
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90 RADIUS_ATTR_FILTER_ID = 11,
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91 RADIUS_ATTR_FRAMED_COMPRESSION = 13,
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92 RADIUS_ATTR_LOGIN_IP_HOST = 14,
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93 RADIUS_ATTR_LOGIN_SERVICE = 15,
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94 RADIUS_ATTR_LOGIN_TCP_PORT = 16,
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95 RADIUS_ATTR_CALLBACK_NUMBER = 19,
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96 RADIUS_ATTR_CALLBACK_ID = 20,
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97 RADIUS_ATTR_FRAMED_ROUTE = 22,
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98 RADIUS_ATTR_FRAMED_IPX_NETWORK = 23,
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99 RADIUS_ATTR_LOGIN_LAT_SERVICE = 34,
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100 RADIUS_ATTR_LOGIN_LAT_NODE = 35,
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101 RADIUS_ATTR_LOGIN_LAT_GROUP = 36,
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102 RADIUS_ATTR_FRAMED_APPLETALK_LINK = 37,
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103 RADIUS_ATTR_FRAMED_APPLETALK_NETWORK = 38,
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104 RADIUS_ATTR_FRAMED_APPLETALK_ZONE = 39,
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105 RADIUS_ATTR_CHAP_CHALLENGE = 60,
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106 RADIUS_ATTR_PORT_LIMIT = 62,
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107 RADIUS_ATTR_LOGIN_LAT_PORT = 63,
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108 RADIUS_ATTR_TUNNEL_CLIENT_ENDPOINT = 66,
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109 RADIUS_ATTR_TUNNEL_SERVER_ENDPOINT = 67,
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110 RADIUS_ATTR_TUNNEL_PASSWORD = 69,
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111 RADIUS_ATTR_ARAP_PASSWORD = 70,
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112 RADIUS_ATTR_ARAP_FEATURES = 71,
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113 RADIUS_ATTR_ARAP_ZONE_ACCESS = 72,
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114 RADIUS_ATTR_ARAP_SECURITY = 73,
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115 RADIUS_ATTR_ARAP_SECURITY_DATA = 74,
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116 RADIUS_ATTR_PASSWORD_RETRY = 75,
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117 RADIUS_ATTR_PROMPT = 76,
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118 RADIUS_ATTR_CONFIGURATION_TOKEN = 78,
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119 RADIUS_ATTR_TUNNEL_ASSIGNEMENT_ID = 82,
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120 RADIUS_ATTR_TUNNEL_PREFERENCE = 83,
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121 RADIUS_ATTR_ARAP_CHALLENGE_RESPONSE = 84,
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122 RADIUS_ATTR_NAS_PORT_ID = 87,
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123 RADIUS_ATTR_FRAMED_POOL = 88,
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124 RADIUS_ATTR_TUNNEL_CLIENT_AUTH_ID = 90,
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125 RADIUS_ATTR_TUNNEL_SERVER_AUTH_ID = 91,
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126 RADIUS_ATTR_ORIGINATING_LINE_INFO = 94,
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127 RADIUS_ATTR_FRAMED_INTERFACE_ID = 96,
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128 RADIUS_ATTR_FRAMED_IPV6_PREFIX = 97,
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129 RADIUS_ATTR_LOGIN_IPV6_HOST = 98,
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130 RADIUS_ATTR_FRAMED_IPV6_ROUTE = 99,
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131 RADIUS_ATTR_FRAMED_IPV6_POOL = 100
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132 };
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133
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134
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135 /**************************************************************/
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136 /* Functions exported by the common library extension */
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137 /**************************************************************/
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138
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139 /* List management */
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140 struct rg_list {
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141 struct rg_list *next;
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142 struct rg_list *prev;
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143 struct rg_list *head;
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144 };
356
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145 void rg_list_init(struct rg_list * plist);
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146 int rg_list_is_empty(struct rg_list * plist);
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147 void rg_list_insert_after(struct rg_list * ref, struct rg_list * item);
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148 void rg_list_insert_before(struct rg_list * ref, struct rg_list * item);
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149 void rg_list_unlink(struct rg_list * plist);
353
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150
363
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151 /* Others */
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152 int rg_thread_term(pthread_t * th);
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153 void rg_cleanup_mutex(void * mtx);
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154
385
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155 int rg_pointers_init(void ** hdl);
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156 void rg_pointers_fini(void **hdl);
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157 #define rg_pointers_resolve( ptr, hdl, fct, ret ) { \
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158 ptr = dlsym(hdl, fct); \
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159 if (!ptr) { \
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160 TRACE_DEBUG(INFO, "Error in dlsym(" fct "): %s", dlerror()); \
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161 return ret; \
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162 } \
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163 }
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164
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165
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166 /****************************************/
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167 /* Debug and related stuff */
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168 /****************************************/
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169
356
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170 #include <assert.h>
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171 #ifndef ASSERT
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172 #define ASSERT(x) assert(x)
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173 #endif /* ASSERT */
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174
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175
355
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176 /* CHECK_* macro from the daemon */
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177 /* Helper for tracing the CHECK_* macros bellow */
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178 #define TRACE_DEBUG_ALL( str ) \
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179 TRACE_DEBUG(CALL, str );
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180
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181
355
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182 /* Macros to check a return value and branch out in case of error.
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183 * These macro are to be used only when errors are highly improbable, not for expected errors.
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184 */
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185
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186 /* Check the return value of a system function and execute fallback in case of error */
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187 #define CHECK_SYS_DO( __call__, __fallback__ ) { \
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188 int __ret__; \
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189 TRACE_DEBUG_ALL( "Check SYS: " #__call__ ); \
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190 __ret__ = (__call__); \
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191 if (__ret__ < 0) { \
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192 int __err__ = errno; /* We may handle EINTR here */ \
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193 log_error("An unexpected error occured (%s), turn on debug for detail\n",\
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194 strerror(__err__)); \
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195 TRACE_DEBUG(INFO, "Error in '" #__call__ "': %s", strerror(__err__)); \
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196 __fallback__; \
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197 } \
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198 }
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199 /* Check the return value of a system function, return error code on error */
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200 #define CHECK_SYS( __call__ ) { \
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201 int __ret__; \
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202 TRACE_DEBUG_ALL( "Check SYS: " #__call__ ); \
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203 __ret__ = (__call__); \
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204 if (__ret__ < 0) { \
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205 int __err__ = errno; /* We may handle EINTR here */ \
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206 log_error("An unexpected error occured (%s), turn on debug for detail\n",\
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207 strerror(__err__)); \
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208 TRACE_DEBUG(INFO, "Error in '" #__call__ "': %s", strerror(__err__)); \
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209 return __err__; \
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210 } \
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211 }
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212
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213 /* Check the return value of a POSIX function and execute fallback in case of error or special value */
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214 #define CHECK_POSIX_DO2( __call__, __val__, __fallback1__, __fallback2__ ) { \
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215 int __ret__; \
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216 TRACE_DEBUG_ALL( "Check POSIX: " #__call__ ); \
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217 __ret__ = (__call__); \
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218 if (__ret__ != 0) { \
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219 if (__ret__ == (__val__)) { \
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220 __fallback1__; \
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221 } else { \
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222 log_error("An unexpected error, see log for detail\n"); \
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223 TRACE_DEBUG(INFO, "Error in '" #__call__ "': %s", strerror(__ret__)); \
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224 __fallback2__; \
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225 } \
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226 } \
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227 }
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228
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229 /* Check the return value of a POSIX function and execute fallback in case of error */
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230 #define CHECK_POSIX_DO( __call__, __fallback__ ) \
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231 CHECK_POSIX_DO2( (__call__), 0, , __fallback__ );
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232
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233 /* Check the return value of a POSIX function and return it if error */
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234 #define CHECK_POSIX( __call__ ) { \
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235 int __v__; \
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236 CHECK_POSIX_DO( __v__ = (__call__), return __v__ ); \
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237 }
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238
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239 /* Check that a memory allocator did not return NULL, otherwise log an error and execute fallback */
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240 #define CHECK_MALLOC_DO( __call__, __fallback__ ) { \
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241 void * __ret__; \
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242 TRACE_DEBUG_ALL( "Check MALLOC: " #__call__ ); \
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243 __ret__ = (void *)( __call__ ); \
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244 if (__ret__ == NULL) { \
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245 int __err__ = errno; \
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246 log_error("Memory allocation failed: %s\n", strerror(__err__)); \
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247 TRACE_DEBUG(INFO, "Error in '" #__call__ "': %s", strerror(__err__)); \
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248 __fallback__; \
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249 } \
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250 }
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251
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252 /* Check that a memory allocator did not return NULL, otherwise return ENOMEM */
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253 #define CHECK_MALLOC( __call__ ) \
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254 CHECK_MALLOC_DO( __call__, return ENOMEM );
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255
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256
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257 /* The next functions can be used also for expected errors */
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258
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259 /* Check parameters at function entry, execute fallback on error */
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260 #define CHECK_PARAMS_DO( __bool__, __fallback__ ) \
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261 TRACE_DEBUG_ALL( "Check PARAMS: " #__bool__ ); \
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262 if ( ! (__bool__) ) { \
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263 TRACE_DEBUG(INFO, "Invalid parameter received in " #__bool__ ); \
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264 __fallback__; \
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265 }
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266 /* Check parameters at function entry, return EINVAL if the boolean is false (similar to assert) */
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267 #define CHECK_PARAMS( __bool__ ) \
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268 CHECK_PARAMS_DO( __bool__, return EINVAL );
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269
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270 /* Check the return value of an internal function, log and propagate */
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271 #define CHECK_FCT_DO( __call__, __fallback__ ) { \
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272 int __ret__; \
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273 TRACE_DEBUG_ALL( "Check FCT: " #__call__ ); \
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274 __ret__ = (__call__); \
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275 if (__ret__ != 0) { \
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276 TRACE_DEBUG(INFO, "Error in '" #__call__ "': %s", strerror(__ret__)); \
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277 __fallback__; \
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278 } \
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279 }
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280 /* Check the return value of a function call, return any error code */
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281 #define CHECK_FCT( __call__ ) { \
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282 int __v__; \
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283 CHECK_FCT_DO( __v__ = (__call__), return __v__ ); \
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284 }
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285
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286
365
0146c60af026 Moved to the hostap implementation of RADIUS processing (copied radius.* and md5.* files)
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287 #endif /* _RG_COMMON_H */
348
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288
"Welcome to our mercurial repository"