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annotate extensions/radius_gw/sub_acct.c @ 393:f63adc1b3e99

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Renamed accounting sub extension
author Sebastien Decugis <sdecugis@nict.go.jp>
date Fri, 29 May 2009 17:39:38 +0900
parents extensions/radius_gw/sub_2866.c@9907abba8681
children bcc13af0825a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
391
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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 /* Sub extension for handling RADIUS Accounting-Request messages */
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37
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38 #define IN_EXTENSION
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39 #define DEFINE_DEBUG_MACRO sub_acct
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40 #define DECLARE_API_POINTERS
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41 #include <waaad/waaad.h>
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42
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43 #include "rg_common.h"
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44
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45 #ifndef SUB_ACCT_VERBO
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46 #define SUB_ACCT_VERBO 0
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47 #endif /* SUB_ACCT_VERBO */
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48
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49 int sub_acct_verbosity = SUB_ACCT_VERBO;
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50
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51 struct rga_conf_state {
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52 char * conffile;
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53 };
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54
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55 static struct rga_conf_state * acct_conf_parse(char * conffile)
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56 {
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57 struct rga_conf_state * cs;
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58
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59 TRACE_ENTRY("%p", conffile);
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60
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61 CHECK_MALLOC_DO( cs = malloc(sizeof(struct rga_conf_state)), return NULL );
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62 memset(cs, 0, sizeof(struct rga_conf_state));
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63
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64 if (conffile)
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65 cs->conffile = conffile;
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66 else
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67 cs->conffile = "-";
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68
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69 TRACE_DEBUG(INFO, "Sub extension Accounting (RFC2866) initialized with configuration: '%s'", cs->conffile);
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70 return cs;
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71 }
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72
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73 static void acct_conf_free(struct rga_conf_state * cs)
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74 {
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75 TRACE_ENTRY("%p", cs);
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76 CHECK_PARAMS_DO( cs, );
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77 free(cs);
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78 return;
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79 }
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80
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81 static int acct_rad_req(struct rga_conf_state * cs, sess_id_t ** session, struct radius_msg * rad_req, struct radius_msg ** rad_ans, msg_t ** diam_fw, void * cli )
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82 {
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83 int idx;
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84 int got_id = 0;
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85 uint32_t status_type;
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86
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87 TRACE_ENTRY("%p %p %p %p %p %p", cs, session, rad_req, rad_ans, diam_fw, cli);
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88 CHECK_PARAMS(rad_req && (rad_req->hdr->code == RADIUS_CODE_ACCOUNTING_REQUEST) && rad_ans && diam_fw && *diam_fw);
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89
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90 /* Check the message contains the NAS idnetification */
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91 for (idx = 0; idx < rad_req->attr_used; idx++) {
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92 struct radius_attr_hdr * attr = (struct radius_attr_hdr *)(rad_req->buf + rad_req->attr_pos[idx]);
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93 switch (attr->type) {
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94 case RADIUS_ATTR_NAS_IP_ADDRESS:
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95 case RADIUS_ATTR_NAS_IDENTIFIER:
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96 case RADIUS_ATTR_NAS_IPV6_ADDRESS:
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97 got_id = 1;
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98 break;
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99 }
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100 }
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101
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102 /* Check basic information is there */
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103 if (!got_id || radius_msg_get_attr_int32(rad_req, RADIUS_ATTR_ACCT_STATUS_TYPE, &status_type)) {
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104 TRACE_DEBUG(INFO, "RADIUS Account-Request did not contain a NAS ip/identifier or Acct-Status-Type attribute, reject.");
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105 return EINVAL;
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106 }
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107
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108 /* Handle the Accounting-On case: nothing to do, just reply OK, since Diameter does not support this */
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109 if (status_type == RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON) {
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110 TRACE_DEBUG(FULL, "Received Accounting-On Acct-Status-Type attribute, replying directly.");
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111 CHECK_MALLOC( *rad_ans = radius_msg_new(RADIUS_CODE_ACCOUNTING_RESPONSE, rad_req->hdr->identifier) );
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112 return -3;
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113 }
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114
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115 return ENOTSUP;
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116 }
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117
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118 static int acct_diam_ans(struct rga_conf_state * cs, sess_id_t ** session, msg_t ** diam_ans, struct radius_msg ** rad_fw, void * cli )
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119 {
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120 TRACE_ENTRY("%p %p %p %p %p", cs, session, diam_ans, rad_fw, cli);
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121 CHECK_PARAMS(cs);
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122
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123 return ENOTSUP;
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124 }
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125
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126 int rga_register(int version, waaad_api_t * waaad_api, struct radius_gw_api * api)
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127 {
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128 TRACE_ENTRY("%d %p %p", version, waaad_api, api);
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129 CHECK_PARAMS( waaad_api && api );
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130
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131 if (version != RADIUS_GW_API_VER) {
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132 log_error("ABI version mismatch, please recompile this extension (%s)\n", __FILE__);
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133 return EINVAL;
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134 }
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135
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136 /* Required to use the waaad api from this sub-extension: */
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137 EXTENSION_API_INIT_INTERN( API_MODULE_ALL, "sub_acct", waaad_api );
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138
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139 /* Initialize the radius_gw api callbacks */
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140 api->rga_conf_parse_cb = acct_conf_parse;
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141 api->rga_conf_free_cb = acct_conf_free;
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142 api->rga_rad_req_cb = acct_rad_req;
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143 api->rga_diam_ans_cb = acct_diam_ans;
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144
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145 /* We're done, we must not initialize any state here since the extension must be re-entrant, but in sample_conf_parse */
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146 return 0;
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147 }
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