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annotate extensions/radius_gw/rg_utils.c @ 406:3a8e91184d4d

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Added code to handle RADIUS client deconnection
author Sebastien Decugis <sdecugis@nict.go.jp>
date Wed, 10 Jun 2009 15:33:26 +0900
parents 03b512313cc1
children
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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 * *
371
e86dba02630a Updated copyright information
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5 * Copyright (c) 2009, WIDE Project and NICT *
353
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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 "rg_common.h"
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37
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38
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39 /************ Lists ***********/
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40
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41 void rg_list_init(struct rg_list * plist)
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42 {
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43 ASSERT(plist != NULL);
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44 plist->next = plist;
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45 plist->prev = plist;
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46 plist->head = plist;
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47 }
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48
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49 int rg_list_is_empty(struct rg_list * plist)
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50 {
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51 ASSERT(plist != NULL);
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52 return plist == plist->next;
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53 }
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54
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55 void rg_list_insert_after(struct rg_list * ref, struct rg_list * item)
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56 {
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57 ASSERT(ref != NULL);
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58 ASSERT(item != NULL);
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59 ASSERT(rg_list_is_empty(item));
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60 item->next = ref->next;
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61 item->prev = ref;
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62 item->head = ref->head;
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63 ref->next->prev = item;
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64 ref->next = item;
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65 }
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66
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67 void rg_list_insert_before(struct rg_list * ref, struct rg_list * item)
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68 {
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69 ASSERT(ref != NULL);
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70 ASSERT(item != NULL);
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71 ASSERT(rg_list_is_empty(item));
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72 item->prev = ref->prev;
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73 item->next = ref;
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74 item->head = ref->head;
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75 ref->prev->next = item;
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76 ref->prev = item;
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77 }
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78
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79 void rg_list_unlink(struct rg_list * plist)
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80 {
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81 ASSERT(plist != NULL);
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82 if (plist->head == plist)
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83 return;
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84 plist->next->prev = plist->prev;
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85 plist->prev->next = plist->next;
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86 plist->next = plist;
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87 plist->prev = plist;
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88 plist->head = plist;
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89 }
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91
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92 /************ Other helpers ***********/
363
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93
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94 /* Terminate a thread */
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95 int rg_thread_term(pthread_t * th)
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96 {
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97 int ret = 0;
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98 void * th_ret = NULL;
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99
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100 CHECK_PARAMS(th);
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101
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102 /* Test if it was already terminated */
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103 if (*th == (pthread_t)NULL)
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104 return 0;
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105
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106 /* Cancel the thread if it is still running - ignore error if it was already terminated */
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107 (void) pthread_cancel(*th);
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108
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109 /* Then join the thread */
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110 CHECK_POSIX_DO( ret = pthread_join(*th, &th_ret), /* continue */ );
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111
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112 if (th_ret != NULL) {
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113 TRACE_DEBUG(FULL, "The thread returned the following value: %p (ignored)", th_ret);
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114 }
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115
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116 /* Clean the location */
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117 *th = (pthread_t)NULL;
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118
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119 return ret;
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120 }
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121
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122 /* Cancellation cleanups */
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123 void rg_cleanup_mutex(void * mtx)
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124 {
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125 CHECK_POSIX_DO( pthread_mutex_unlock((pthread_mutex_t *)mtx), );
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126 }
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127
9d330bd07134 Progress on the radius_gw gateway
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128
385
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129 /* Global functions not exported through the API (bad practice since no ABI control...) */
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130 int rg_pointers_init(void ** hdl)
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131 {
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132 CHECK_PARAMS(hdl);
406
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133 *hdl = dlopen(0, RTLD_LAZY | RTLD_GLOBAL);
385
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134 if (!*hdl) {
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135 TRACE_DEBUG(INFO, "Error in dlopen(0): %s", dlerror());
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136 return ENOTSUP;
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137 }
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138 return 0;
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139 }
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140 void rg_pointers_fini(void **hdl)
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141 {
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142 CHECK_PARAMS_DO(hdl, return);
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143 dlclose(*hdl);
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144 *hdl = NULL;
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145 return;
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146 }
365
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147
385
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148
"Welcome to our mercurial repository"