Mercurial > hg > freeDiameter

annotate extensions/app_redirect/ard_rules.c @ 1127:1af09cc156d6

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Updated copyright information
author Sebastien Decugis <sdecugis@freediameter.net>
date Wed, 15 May 2013 10:39:25 +0800
parents 2091bf698fb1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 * *
1127
1af09cc156d6 Updated copyright information
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5 * Copyright (c) 2013, 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 "app_redir.h"
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37
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38 static const char * redir_type_str[] = {
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39 "DONT_CACHE",
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40 "ALL_SESSION",
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41 "ALL_REALM",
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42 "REALM_AND_APPLICATION",
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43 "ALL_APPLICATION",
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44 "ALL_HOST",
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45 "ALL_USER"
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46 };
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47
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48 struct dict_object * avp_Redirect_Host = NULL;
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49 struct dict_object * avp_Redirect_Host_Usage = NULL;
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50 struct dict_object * avp_Redirect_Max_Cache_Time = NULL;
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51
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52
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53 void ard_rule_dump(struct ard_rule * r)
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54 {
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55 struct fd_list * li;
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56 fd_log_debug(" rule @%p: %s, %us", r, redir_type_str[r->type], r->rct);
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57 for (li = r->criteria.next; li != &r->criteria; li = li->next) {
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58 struct ard_criteria * c = li->o;
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59 switch (c->type) {
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60 case FROM_ID:
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61 fd_log_debug(" Criteria: received from peer %s'%s'", c->is_regex?"REGEX":"", c->s);
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62 break;
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63 case FROM_REALM:
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64 fd_log_debug(" Criteria: received from realm %s'%s'", c->is_regex?"REGEX":"", c->s);
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65 break;
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66 case APP_ID:
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67 fd_log_debug(" Criteria: application id is %u", c->i);
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68 break;
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69 case AVP_INT:
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70 fd_log_debug(" Criteria: contains '%s' AVP with value '%d'", c->avp_info.avp_name, c->i);
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71 break;
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72 case AVP_STR:
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73 fd_log_debug(" Criteria: contains '%s' AVP with value %s'%s'", c->avp_info.avp_name, c->is_regex?"REGEX":"", c->s);
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74 break;
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75
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76 default:
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77 fd_log_debug(" Criteria: invalid (%d)!", c->type);
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78 }
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79 }
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80 for (li = r->targets.next; li != &r->targets; li = li->next) {
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81 struct ard_target * t = li->o;
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82 fd_log_debug(" Redirect to: '%s'", t->s);
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83 }
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84 }
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85
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86 /* Tells if the string in s (is0term or not) matches the string in the criteria (regex or not) */
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87 static int str_match(struct ard_criteria * c, uint8_t *s, size_t l, int is0term, int * match)
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88 {
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89 TRACE_ENTRY("%p %p %zd %d %p", c, s, l, is0term, match);
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90
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91 *match = 0;
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92
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93 if (c->is_regex == 0) {
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94 if ( ! fd_os_almostcasesrch(c->s, c->sl, s, l, NULL) )
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95 *match = 1;
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96 } else {
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97 int err;
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98 #ifdef HAVE_REG_STARTEND
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99 regmatch_t pmatch[1];
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100 memset(pmatch, 0, sizeof(pmatch));
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101 pmatch[0].rm_so = 0;
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102 pmatch[0].rm_eo = l;
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103 err = regexec(&c->preg, (char *)s, 0, pmatch, REG_STARTEND);
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104 #else /* HAVE_REG_STARTEND */
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105 if (!is0term) {
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106 /* We have to create a copy of the string in this case */
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107 char *mystrcpy;
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108 CHECK_MALLOC( mystrcpy = (char *)os0dup(s, l) );
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109 err = regexec(&c->preg, mystrcpy, 0, NULL, 0);
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110 free(mystrcpy);
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111 } else {
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112 err = regexec(&c->preg, (char *)s, 0, NULL, 0);
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113 }
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114 #endif /* HAVE_REG_STARTEND */
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115
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116 /* Now check the result */
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parents:
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117 if (err == 0) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
118 /* We have a match */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
119 *match = 1;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
120 } else if (err != REG_NOMATCH) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
121 /* An error occurred */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
122 char * buf;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
123 size_t bl;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
124
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
125 /* Error while compiling the regex */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
126 TRACE_DEBUG(INFO, "Error while executing the regular expression '%s':", c->s);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
127
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
128 /* Get the error message size */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
129 bl = regerror(err, &c->preg, NULL, 0);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
130
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
131 /* Alloc the buffer for error message */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
132 CHECK_MALLOC( buf = malloc(bl) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
133
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
134 /* Get the error message content */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
135 regerror(err, &c->preg, buf, bl);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
136 TRACE_DEBUG(INFO, "\t%s", buf);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
137
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
138 /* Free the buffer, return the error */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
139 free(buf);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
140 return (err == REG_ESPACE) ? ENOMEM : EINVAL;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
141 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
142 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
143 return 0;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
144 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
145
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
146 /* Search the first matching rule in the config */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
147 static int find_rule(struct msg * msg, struct ard_rule ** found)
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
148 {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
149 struct fd_list * li;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
150 struct msg_hdr * mhdr = NULL;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
151 struct peer_hdr * phdr = NULL;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
152
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
153 ASSERT(msg && found);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
154 *found = NULL;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
155
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
156 /* Get the message's header */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
157 CHECK_FCT( fd_msg_hdr(msg, &mhdr) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
158
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
159 /* Get the message's origin */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
160 {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
161 DiamId_t id;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
162 size_t len;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
163 CHECK_FCT( fd_msg_source_get(msg, &id, &len) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
164 CHECK_FCT( fd_peer_getbyid(id, len, 0, &phdr) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
165 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
166
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
167 /* Now for each rule check if all criteria match */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
168 for (li = ard_conf->rules.next; li != &ard_conf->rules; li = li->next) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
169 struct fd_list * lic;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
170 struct ard_rule * r = li->o;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
171 int is_match = 1;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
172
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
173 for (lic = r->criteria.next; is_match && (lic != &r->criteria); lic = lic->next) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
174 struct ard_criteria * c = lic->o;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
175
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
176 /* Does this criteria match ? */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
177 switch (c->type) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
178 case APP_ID:
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
179 if (c->i != mhdr->msg_appl)
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
180 is_match = 0;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
181 break;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
182
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
183 case FROM_ID:
723
b6202dea0f4d Fix a few compilation warnings
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 722
diff changeset
184 CHECK_FCT( str_match(c, (uint8_t *)phdr->info.pi_diamid, phdr->info.pi_diamidlen, 1, &is_match) );
722
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
185 break;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
186
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
187 case FROM_REALM:
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
188 if (phdr->info.runtime.pir_realm) {
723
b6202dea0f4d Fix a few compilation warnings
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 722
diff changeset
189 CHECK_FCT( str_match(c, (uint8_t *)phdr->info.runtime.pir_realm, phdr->info.runtime.pir_realmlen, 1, &is_match) );
722
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
190 } else {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
191 /* since we don't have the realm it was received from, assume it does not match */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
192 TRACE_DEBUG(INFO, "Missing realm info for peer '%s', skipping rule %p", phdr->info.pi_diamid, r);
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
193 is_match = 0;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
194 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
195 break;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
196
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
197 case AVP_INT:
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
198 case AVP_STR:
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
199 /* We have to search the whole message for the matching AVP */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
200 {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
201 is_match = 0;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
202 struct avp * avp = NULL;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
203 CHECK_FCT( fd_msg_browse(msg, MSG_BRW_FIRST_CHILD, &avp, NULL) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
204 while (avp && !is_match) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
205 struct avp_hdr * ahdr = NULL;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
206 CHECK_FCT( fd_msg_avp_hdr(avp, &ahdr) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
207
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
208 if ( (ahdr->avp_code == c->avp_info.avp_code)
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
209 && (ahdr->avp_vendor == c->avp_info.avp_vendor) ) /* always 0 if no V flag */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
210 {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
211 /* dict-parse this AVP to ensure it has a value */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
212 CHECK_FCT( fd_msg_parse_dict( avp, fd_g_config->cnf_dict, NULL ) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
213
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
214 /* Now check if the value matches our criteria */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
215 if (c->type == AVP_INT) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
216 if (ahdr->avp_value->u32 == c->i)
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
217 is_match = 1;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
218 } else {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
219 /* it is AVP_STR */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
220 CHECK_FCT( str_match(c, ahdr->avp_value->os.data, ahdr->avp_value->os.len, 0, &is_match) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
221 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
222
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
223 if (is_match)
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
224 break;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
225 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
226
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
227 /* go to next */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
228 CHECK_FCT( fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
229 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
230
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
231 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
232
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
233 break;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
234
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
235 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
236 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
237
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
238 if (is_match) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
239 /* We found the first rule that matches for this message */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
240 *found = r;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
241 break;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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242 }
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243 }
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244
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245 return 0;
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246 }
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247
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248 /* The forward callback */
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249 int ard_rule_apply(void * cbdata, struct msg ** msg)
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250 {
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251 struct ard_rule * rule = NULL;
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252
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253 TRACE_ENTRY("%p %p", cbdata, msg);
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254 CHECK_PARAMS(msg && *msg);
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255
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256 /* First, check if we have a rule that applies to this message */
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257 CHECK_FCT( find_rule(*msg, &rule) );
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258
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259 if (rule) {
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260 struct avp * avp;
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261 union avp_value val;
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262 struct fd_list * li;
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263
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264 /* We have to reply a Redirect message in this case */
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265 CHECK_FCT( fd_msg_new_answer_from_req(fd_g_config->cnf_dict, msg, MSGFL_ANSW_ERROR) );
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266
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267 CHECK_FCT( fd_msg_rescode_set( *msg, "DIAMETER_REDIRECT_INDICATION", NULL, NULL, 1 ) );
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268
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269 /* Now add the Redirect-* AVPs */
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270 CHECK_FCT( fd_msg_avp_new( avp_Redirect_Host_Usage, 0, &avp ) );
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271 val.u32 = rule->type;
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272 CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) );
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273 CHECK_FCT( fd_msg_avp_add( *msg, MSG_BRW_LAST_CHILD, avp ) );
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274
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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275 if (rule->type) {
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276 CHECK_FCT( fd_msg_avp_new( avp_Redirect_Max_Cache_Time, 0, &avp ) );
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277 val.u32 = rule->rct ?: ard_conf->default_rct;
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278 CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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279 CHECK_FCT( fd_msg_avp_add( *msg, MSG_BRW_LAST_CHILD, avp ) );
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280 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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281
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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282 for (li = rule->targets.next; li != &rule->targets; li = li->next) {
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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283 struct ard_target * t = li->o;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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284
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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285 CHECK_FCT( fd_msg_avp_new( avp_Redirect_Host, 0, &avp ) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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286 val.os.data = t->s;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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287 val.os.len = t->l;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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288 CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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parents:
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289 CHECK_FCT( fd_msg_avp_add( *msg, MSG_BRW_LAST_CHILD, avp ) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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290 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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parents:
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291
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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292 /* Send this answer */
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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293 CHECK_FCT( fd_msg_send( msg, NULL, NULL) );
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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parents:
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294 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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parents:
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295
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
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296 return 0;
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
297 }
6a7323cd78b3 New app_redirect.fdx code (UNTESTED)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
298
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