Mercurial > hg > freeDiameter
annotate include/freeDiameter/freeDiameter.h @ 23:db6c40b8b307
Added some code in cnxctx.c mainly
author | Sebastien Decugis <sdecugis@nict.go.jp> |
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date | Tue, 20 Oct 2009 17:30:20 +0900 |
parents | 0b3b46da2c12 |
children | bd83ce9328ed |
rev | line source |
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0 | 1 /********************************************************************************************************* |
2 * Software License Agreement (BSD License) * | |
3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> * | |
4 * * | |
5 * Copyright (c) 2009, WIDE Project and NICT * | |
6 * All rights reserved. * | |
7 * * | |
8 * Redistribution and use of this software in source and binary forms, with or without modification, are * | |
9 * permitted provided that the following conditions are met: * | |
10 * * | |
11 * * Redistributions of source code must retain the above * | |
12 * copyright notice, this list of conditions and the * | |
13 * following disclaimer. * | |
14 * * | |
15 * * Redistributions in binary form must reproduce the above * | |
16 * copyright notice, this list of conditions and the * | |
17 * following disclaimer in the documentation and/or other * | |
18 * materials provided with the distribution. * | |
19 * * | |
20 * * Neither the name of the WIDE Project or NICT nor the * | |
21 * names of its contributors may be used to endorse or * | |
22 * promote products derived from this software without * | |
23 * specific prior written permission of WIDE Project and * | |
24 * NICT. * | |
25 * * | |
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * | |
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * | |
28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * | |
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * | |
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * | |
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * | |
32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * | |
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * | |
34 *********************************************************************************************************/ | |
35 | |
36 #ifndef _FREEDIAMETER_H | |
37 #define _FREEDIAMETER_H | |
38 | |
39 | |
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40 #include <freeDiameter/libfreeDiameter.h> |
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41 #include <gnutls/gnutls.h> |
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42 #include <gnutls/x509.h> |
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43 |
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44 /* GNUTLS version */ |
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45 #ifndef GNUTLS_VERSION |
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46 #define GNUTLS_VERSION LIBGNUTLS_VERSION |
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47 #endif /* GNUTLS_VERSION */ |
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48 |
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49 /* Check the return value of a GNUTLS function, log and propagate */ |
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50 #define CHECK_GNUTLS_DO( __call__, __fallback__ ) { \ |
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51 int __ret__; \ |
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52 TRACE_DEBUG_ALL( "Check FCT: " #__call__ ); \ |
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53 __ret__ = (__call__); \ |
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54 if (__ret__ < 0) { \ |
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55 TRACE_DEBUG(INFO, "Error in '" #__call__ "':\t%s", gnutls_strerror(__ret__)); \ |
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56 __fallback__; \ |
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57 } \ |
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58 } |
0 | 59 |
60 | |
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61 /* Structure to hold the configuration of the freeDiameter daemon */ |
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62 struct fd_config { |
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63 int cnf_eyec; /* Eye catcher: EYEC_CONFIG */ |
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64 #define EYEC_CONFIG 0xC011F16 |
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65 |
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66 char *cnf_file; /* Configuration file to parse, default is DEFAULT_CONF_FILE */ |
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67 |
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68 char *cnf_diamid; /* Diameter Identity of the local peer (FQDN -- UTF-8) */ |
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69 size_t cnf_diamid_len; /* length of the previous string */ |
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70 char *cnf_diamrlm; /* Diameter realm of the local peer, default to realm part of diam_id */ |
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71 size_t cnf_diamrlm_len;/* length of the previous string */ |
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72 |
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73 unsigned int cnf_timer_tc; /* The value in seconds of the default Tc timer */ |
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74 unsigned int cnf_timer_tw; /* The value in seconds of the default Tw timer */ |
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75 |
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76 uint16_t cnf_port; /* the local port for legacy Diameter (default: 3868) in host byte order */ |
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77 uint16_t cnf_port_tls; /* the local port for Diameter/TLS (default: 3869) in host byte order */ |
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78 uint16_t cnf_sctp_str; /* default max number of streams for SCTP associations (def: 30) */ |
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79 struct fd_list cnf_endpoints; /* the local endpoints to bind the server to. list of struct fd_endpoint. default is empty (bind all) */ |
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80 struct fd_list cnf_apps; /* Applications locally supported (except relay, see flags). Use fd_disp_app_support to add one. list of struct fd_app. */ |
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81 struct { |
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82 unsigned no_fwd : 1; /* the peer does not relay messages (0xffffff app id) */ |
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83 unsigned no_ip4 : 1; /* disable IP */ |
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84 unsigned no_ip6 : 1; /* disable IPv6 */ |
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85 unsigned no_tcp : 1; /* disable use of TCP */ |
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86 unsigned no_sctp: 1; /* disable the use of SCTP */ |
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87 unsigned pr_tcp : 1; /* prefer TCP over SCTP */ |
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88 unsigned tls_alg: 1; /* TLS algorithm for initiated cnx. 0: separate port. 1: inband-security (old) */ |
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89 } cnf_flags; |
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90 |
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91 struct { |
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92 /* Credentials parameters (backup) */ |
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93 char * cert_file; |
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94 char * key_file; |
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95 |
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96 char * ca_file; |
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97 char * crl_file; |
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98 |
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99 char * prio_string; |
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100 unsigned int dh_bits; |
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101 |
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102 /* GNUTLS parameters */ |
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103 gnutls_priority_t prio_cache; |
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104 gnutls_dh_params_t dh_cache; |
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105 |
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106 /* GNUTLS server credential(s) */ |
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107 gnutls_certificate_credentials_t credentials; |
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108 |
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109 } cnf_sec_data; |
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110 |
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111 uint32_t cnf_orstateid; /* The value to use in Origin-State-Id, default to random value */ |
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112 struct dictionary *cnf_dict; /* pointer to the global dictionary */ |
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113 struct fifo *cnf_main_ev; /* events for the daemon's main (struct fd_event items) */ |
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114 }; |
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115 extern struct fd_config *fd_g_config; /* The pointer to access the global configuration, initalized in main */ |
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116 |
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117 /* Endpoints */ |
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118 struct fd_endpoint { |
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119 struct fd_list chain; /* link in cnf_endpoints list */ |
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120 union { |
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121 sSS ss; /* the socket information. List is always ordered by ss value (memcmp) */ |
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122 sSA4 sin; |
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123 sSA6 sin6; |
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124 sSA sa; |
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125 }; |
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126 struct { |
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127 unsigned conf : 1; /* This endpoint is statically configured in a configuration file */ |
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128 unsigned disc : 1; /* This endpoint was resolved from the Diameter Identity or other DNS query */ |
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129 unsigned adv : 1; /* This endpoint was advertized in Diameter CER/CEA exchange */ |
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130 unsigned ll : 1; /* Lower layer mechanism provided this endpoint */ |
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131 |
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132 /* To add: a validity timestamp for DNS records ? How do we retrieve this lifetime from DNS ? */ |
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133 |
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134 } meta; /* Additional information about the endpoint */ |
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135 }; |
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136 |
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137 /* Add a new entry in a list of endpoints -- merge if the sockaddr was already there */ |
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138 int fd_ep_add_merge( struct fd_list * list, sSA * sa, socklen_t sl, int conf, int disc, int adv, int ll ); |
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139 |
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140 /* Applications */ |
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141 struct fd_app { |
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142 struct fd_list chain; /* link in cnf_apps list. List ordered by appid. */ |
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143 struct { |
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144 unsigned auth : 1; |
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145 unsigned acct : 1; |
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146 unsigned common : 1; |
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147 } flags; |
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148 vendor_id_t vndid; /* if not 0, Vendor-Specific-App-Id AVP will be used */ |
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149 application_id_t appid; /* The identifier of the application */ |
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150 }; |
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151 |
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152 |
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153 /* Events */ |
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154 struct fd_event { |
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155 int code; /* codespace depends on the queue */ |
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156 void *data; |
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157 }; |
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158 |
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159 static __inline__ int fd_event_send(struct fifo *queue, int code, void * data) |
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160 { |
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161 struct fd_event * ev; |
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162 CHECK_MALLOC( ev = malloc(sizeof(struct fd_event)) ); |
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163 ev->code = code; |
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164 ev->data = data; |
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165 CHECK_FCT( fd_fifo_post(queue, &ev) ); |
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166 return 0; |
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167 } |
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168 static __inline__ int fd_event_get(struct fifo *queue, int *code, void ** data) |
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169 { |
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170 struct fd_event * ev; |
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171 CHECK_FCT( fd_fifo_get(queue, &ev) ); |
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172 if (code) |
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173 *code = ev->code; |
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174 if (data) |
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175 *data = ev->data; |
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176 free(ev); |
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177 return 0; |
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178 } |
0 | 179 |
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180 /* Events codespace for fd_g_config->cnf_main_ev */ |
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181 enum { |
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182 FDEV_TERMINATE = 1000 /* request to terminate */ |
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183 ,FDEV_DUMP_DICT /* Dump the content of the dictionary */ |
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184 ,FDEV_DUMP_EXT /* Dump state of extensions */ |
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185 ,FDEV_DUMP_SERV /* Dump the server socket status */ |
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186 ,FDEV_DUMP_QUEUES /* Dump the message queues */ |
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187 ,FDEV_DUMP_CONFIG /* Dump the configuration */ |
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188 ,FDEV_DUMP_PEERS /* Dump the list of peers */ |
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189 }; |
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190 const char * fd_ev_str(int event); /* defined in freeDiameter/main.c */ |
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191 |
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192 |
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193 /***************************************/ |
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194 /* Peers information */ |
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195 /***************************************/ |
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196 |
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197 /* States of a peer */ |
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198 enum peer_state { |
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199 /* Stable states */ |
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200 STATE_NEW = 0, /* The peer has been just been created, PSM thread not started yet */ |
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201 STATE_OPEN, /* Connexion established */ |
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202 |
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203 /* Peer state machine */ |
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204 STATE_CLOSED, /* No connection established, will re-attempt after TcTimer. */ |
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205 STATE_CLOSING, /* the connection is being shutdown (DPR/DPA in progress) */ |
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206 STATE_WAITCNXACK, /* Attempting to establish transport-level connection */ |
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207 STATE_WAITCNXACK_ELEC, /* Received a CER from this same peer on an incoming connection (other peer object), while we were waiting for cnx ack */ |
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208 STATE_WAITCEA, /* Connection established, CER sent, waiting for CEA */ |
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209 /* STATE_WAITRETURNS_ELEC, */ /* This state is not stable and therefore deprecated: |
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210 We have sent a CER on our initiated connection, and received a CER from the remote peer on another connection. Election. |
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211 If we win the election, we must disconnect the initiated connection and send a CEA on the other => we go to OPEN state. |
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212 If we lose, we disconnect the other connection (receiver) and fallback to WAITCEA state. */ |
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213 STATE_OPEN_HANDSHAKE, /* TLS Handshake and validation are in progress in open state */ |
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214 |
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215 /* Failover state machine */ |
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216 STATE_SUSPECT, /* A DWR was sent and not answered within TwTime. Failover in progress. */ |
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217 STATE_REOPEN, /* Connection has been re-established, waiting for 3 DWR/DWA exchanges before putting back to service */ |
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218 |
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219 /* Error state */ |
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220 STATE_ZOMBIE /* The PSM thread is not running anymore; it must be re-started or peer should be deleted. */ |
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221 #define STATE_MAX STATE_ZOMBIE |
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222 }; |
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223 extern const char *peer_state_str[]; /* defined in freeDiameter/p_psm.c */ |
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224 #define STATE_STR(state) \ |
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225 (((unsigned)(state)) <= STATE_MAX ? peer_state_str[((unsigned)(state)) ] : "<Invalid>") |
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226 |
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227 /* Information about a remote peer. Same structure is used for creating a new entry, but not all fields are meaningful in that case */ |
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228 struct peer_info { |
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229 |
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230 char * pi_diamid; /* UTF-8, \0 terminated. The Diameter Identity of the remote peer */ |
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231 char * pi_realm; /* Its realm, as received in CER/CEA exchange. */ |
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232 |
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233 struct { |
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234 #define PI_P3_DEFAULT 0 /* Use the default L3 protocol configured for the host */ |
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235 #define PI_P3_IP 1 /* Use only IP to connect to this peer */ |
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236 #define PI_P3_IPv6 2 /* resp, IPv6 */ |
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237 unsigned pro3 :2; |
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238 |
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239 #define PI_P4_DEFAULT 0 /* Use the default L4 proto configured for the host */ |
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240 #define PI_P4_TCP 1 /* Only use TCP */ |
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241 #define PI_P4_SCTP 2 /* Only use SCTP */ |
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242 unsigned pro4 :2; |
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243 |
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244 #define PI_ALGPREF_SCTP 0 /* SCTP is initially attempted */ |
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245 #define PI_ALGPREF_TCP 1 /* TCP is initially attempted */ |
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246 unsigned alg :1; |
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247 |
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248 #define PI_SEC_DEFAULT 0 /* New TLS security (dedicated port protecting also CER/CEA) */ |
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249 #define PI_SEC_NONE 1 /* Transparent security with this peer (IPsec) */ |
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250 #define PI_SEC_TLS_OLD 2 /* Old TLS security (inband on default port) */ |
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251 unsigned sec :2; |
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252 |
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253 #define PI_EXP_NONE 0 /* the peer entry does not expire */ |
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254 #define PI_EXP_INACTIVE 1 /* the peer entry expires (i.e. is deleted) after pi_lft seconds without activity */ |
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255 unsigned exp :1; |
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256 |
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257 unsigned inband_none :1; /* This is only meaningful with pi_flags.sec == 3 */ |
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258 unsigned inband_tls :1; /* This is only meaningful with pi_flags.sec == 3 */ |
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259 |
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260 unsigned relay :1; /* The remote peer advertized the relay application */ |
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261 |
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262 } pi_flags; /* Some flags */ |
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263 |
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264 /* Additional parameters */ |
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265 uint32_t pi_lft; /* lifetime of this peer when inactive (see pi_flags.exp definition) */ |
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266 uint16_t pi_port; /* port to connect to. 0: default. */ |
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267 int pi_tctimer; /* use this value for TcTimer instead of global, if != 0 */ |
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268 int pi_twtimer; /* use this value for TwTimer instead of global, if != 0 */ |
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269 |
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270 struct fd_list pi_endpoints; /* Endpoint(s) of the remote peer (configured, discovered, or advertized). list of struct fd_endpoint. DNS resolved if empty. */ |
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271 |
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272 /* The remaining information must not be modified, and is not used for peer creation */ |
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273 enum peer_state pi_state; |
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274 uint32_t pi_vendorid; /* Content of the Vendor-Id AVP, or 0 by default */ |
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275 uint32_t pi_orstate; /* Origin-State-Id value */ |
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276 char * pi_prodname; /* copy of UTF-8 Product-Name AVP (\0 terminated) */ |
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277 uint32_t pi_firmrev; /* Content of the Firmware-Revision AVP */ |
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278 struct fd_list pi_apps; /* applications advertised by the remote peer, except relay (pi_flags.relay) */ |
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279 struct { |
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280 char *priority; /* In case the default priority is not appropriate */ |
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281 /* This is inspired from http://www.gnu.org/software/gnutls/manual/gnutls.html#ex_003ax509_002dinfo */ |
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282 const gnutls_datum_t *cert_list; /* The (valid) credentials that the peer has presented */ |
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283 unsigned int cert_list_size;/* Number of certificates in the list */ |
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284 } pi_sec_data; |
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285 }; |
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286 |
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287 struct peer_hdr { |
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288 struct fd_list chain; /* List of all the peers, ordered by their Diameter Id */ |
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289 struct peer_info info; /* The public data */ |
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290 |
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291 /* This header is followed by more data in the private peer structure definition */ |
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292 }; |
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293 |
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294 /* the global list of peers. |
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295 Since we are not expecting so many connections, we don't use a hash, but it might be changed. |
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296 The list items are peer_hdr structures (actually, fd_peer, but the cast is OK) */ |
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297 extern struct fd_list fd_g_peers; |
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298 extern pthread_rwlock_t fd_g_peers_rw; /* protect the list */ |
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299 |
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300 /* |
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301 * FUNCTION: fd_peer_add |
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302 * |
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303 * PARAMETERS: |
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304 * info : Information to create the peer. |
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305 * orig_dbg : A string indicating the origin of the peer information, for debug (ex: conf, redirect, ...) |
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306 * cb : optional, a callback to call (once) when the peer connection is established or failed |
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307 * cb_data : opaque data to pass to the callback. |
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308 * |
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309 * DESCRIPTION: |
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310 * Add a peer to the list of peers to which the daemon must maintain a connexion. |
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311 * |
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312 * The content of info parameter is copied, except for the list of endpoints if |
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313 * not empty, which is simply moved into the created object. It means that the list |
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314 * items must have been malloc'd, so that they can be freed. |
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315 * |
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316 * If cb is not null, the callback is called when the connection is in OPEN state or |
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317 * when an error has occurred. The callback should use the pi_state information to |
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318 * determine which one it is. If the first parameter of the called callback is NULL, it |
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319 * means that the peer is being destroyed before attempt success / failure. |
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320 * cb is called to allow freeing cb_data in * this case. |
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321 * |
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322 * The orig_dbg string is only useful for easing debug, and can be left to NULL. |
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323 * |
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324 * RETURN VALUE: |
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325 * 0 : The peer is added. |
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326 * EINVAL : A parameter is invalid. |
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327 * EEXIST : A peer with the same Diameter-Id is already in the list. |
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328 * (other standard errors may be returned, too, with their standard meaning. Example: |
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329 * ENOMEM : Memory allocation for the new object element failed.) |
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330 */ |
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331 int fd_peer_add ( struct peer_info * info, char * orig_dbg, void (*cb)(struct peer_info *, void *), void * cb_data ); |
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332 |
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333 /* |
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334 * FUNCTION: peer_validate_register |
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335 * |
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336 * PARAMETERS: |
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337 * peer_validate : Callback as defined bellow. |
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338 * |
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339 * DESCRIPTION: |
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340 * Add a callback to authorize / reject incoming peer connections. |
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341 * All registered callbacks are called until a callback sets auth = -1 or auth = 1. |
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342 * If no callback returns a clear decision, the default behavior is applied (reject unknown connections) |
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343 * |
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344 * RETURN VALUE: |
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345 * 0 : The callback is added. |
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346 * !0 : An error occurred. |
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347 */ |
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348 int fd_peer_validate_register ( int (*peer_validate)(struct peer_info * /* info */, int * /* auth */, int (**cb2)(struct peer_info *)) ); |
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349 /* |
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350 * CALLBACK: peer_validate |
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351 * |
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352 * PARAMETERS: |
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353 * info : Structure containing information about the peer attempting the connection. |
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354 * auth : Store there the result if the peer is accepted (1), rejected (-1), or unknown (0). |
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355 * cb2 : If != NULL and in case of PI_SEC_TLS_OLD, another callback to call after handshake (if auth = 1). |
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356 * |
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357 * DESCRIPTION: |
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358 * This callback is called when a new connection is being established from an unknown peer, |
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359 * after the CER is received. An extension must register such callback with peer_validate_register. |
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360 * |
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361 * If (info->pi_flags.sec == PI_SEC_TLS_OLD) the extension may instruct the daemon explicitely |
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362 * to not use TLS by clearing info->pi_flags.inband_tls -- only if inband_none is set. |
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363 * |
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364 * If (info->pi_flags.sec == PI_SEC_TLS_OLD) and info->pi_flags.inband_tls is set, |
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365 * the extension may also need to check the credentials provided during the TLS |
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366 * exchange (remote certificate). For this purpose, it may set the address of a new callback |
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367 * to be called once the handshake is completed. This new callback receives the information |
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368 * structure as parameter (with pi_sec_data set) and returns 0 if the credentials are correct, |
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369 * or an error code otherwise. If the error code is received, the connection is closed and the |
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370 * peer is destroyed. |
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371 * |
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372 * RETURN VALUE: |
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373 * 0 : The authorization decision has been written in the location pointed by auth. |
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374 * !0 : An error occurred. |
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375 */ |
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376 |
0 | 377 /***************************************/ |
378 /* Sending a message on the network */ | |
379 /***************************************/ | |
380 | |
381 /* | |
382 * FUNCTION: fd_msg_send | |
383 * | |
384 * PARAMETERS: | |
385 * pmsg : Location of the message to be sent on the network (set to NULL on function return to avoid double deletion). | |
386 * anscb : A callback to be called when answer is received, if msg is a request (optional) | |
387 * anscb_data : opaque data to be passed back to the anscb when it is called. | |
388 * | |
389 * DESCRIPTION: | |
390 * Sends a message on the network. (actually simply queues it in a global queue, to be picked by a daemon's thread) | |
391 * For requests, the end-to-end id must be set (see fd_msg_get_eteid / MSGFL_ALLOC_ETEID). | |
392 * For answers, the message must be created with function fd_msg_new_answ. | |
393 * | |
394 * The routing module will handle sending to the correct peer, usually based on the Destination-Realm / Destination-Host AVP. | |
395 * | |
396 * If the msg is a request, there are two ways of receiving the answer: | |
397 * - either having registered a callback in the dispatch module (see disp_register) | |
398 * - or provide a callback as parameter here. If such callback is provided, it is called before the dispatch callbacks. | |
399 * The prototype for this callback function is: | |
400 * void anscb(void * data, struct msg ** answer) | |
401 * where: | |
402 * data : opaque data that was registered along with the callback. | |
403 * answer : location of the pointer to the answer. | |
404 * note1: on function return, if *answer is not NULL, the message is passed to the dispatch module for regular callbacks. | |
405 * otherwise, the callback must take care of freeing the message (msg_free). | |
406 * note2: the opaque data is not freed by the daemon in any case, extensions should ensure clean handling in waaad_ext_fini. | |
407 * | |
408 * If no callback is registered to handle an answer, the message is discarded and an error is logged. | |
409 * | |
410 * RETURN VALUE: | |
411 * 0 : The message has been queued for sending (sending may fail asynchronously). | |
412 * EINVAL : A parameter is invalid (ex: anscb provided but message is not a request). | |
413 * ... | |
414 */ | |
415 int fd_msg_send ( struct msg ** pmsg, void (*anscb)(void *, struct msg **), void * data ); | |
416 | |
417 /* | |
418 * FUNCTION: fd_msg_rescode_set | |
419 * | |
420 * PARAMETERS: | |
421 * msg : A msg object -- it must be an answer. | |
422 * rescode : The name of the returned error code (ex: "DIAMETER_INVALID_AVP") | |
423 * errormsg : (optional) human-readable error message to put in Error-Message AVP | |
424 * optavp : (optional) If provided, the content will be put inside a Failed-AVP | |
425 * type_id : 0 => nothing; 1 => adds Origin-Host and Origin-Realm with local info. 2=> adds Error-Reporting-Host. | |
426 * | |
427 * DESCRIPTION: | |
428 * This function adds a Result-Code AVP to a message, and optionally | |
429 * - sets the 'E' error flag in the header, | |
430 * - adds Error-Message, Error-Reporting-Host and Failed-AVP AVPs. | |
431 * | |
432 * RETURN VALUE: | |
433 * 0 : Operation complete. | |
434 * !0 : an error occurred. | |
435 */ | |
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436 int fd_msg_rescode_set( struct msg * msg, char * rescode, char * errormsg, struct avp * optavp, int type_id ); |
0 | 437 |
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438 /* Add Origin-Host, Origin-Realm, (if osi) Origin-State-Id AVPS at the end of the message */ |
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439 int fd_msg_add_origin ( struct msg * msg, int osi ); |
0 | 440 |
441 | |
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442 |
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443 /***************************************/ |
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444 /* Dispatch module, daemon's part */ |
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445 /***************************************/ |
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446 |
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447 /* |
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448 * FUNCTION: fd_disp_app_support |
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449 * |
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450 * PARAMETERS: |
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451 * app : The dictionary object corresponding to the Application. |
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452 * vendor : (Optional) the dictionary object of a Vendor to claim support in Vendor-Specific-Application-Id |
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453 * auth : Support auth app part. |
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454 * acct : Support acct app part. |
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455 * |
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456 * DESCRIPTION: |
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457 * Registers an application to be advertized in CER/CEA exchanges. |
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458 * Messages with an application-id matching a registered value are passed to the dispatch module, |
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459 * while other messages are simply relayed or an error is returned (if local node does not relay) |
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460 * |
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461 * RETURN VALUE: |
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462 * 0 : The application support is registered. |
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463 * EINVAL : A parameter is invalid. |
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464 */ |
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465 int fd_disp_app_support ( struct dict_object * app, struct dict_object * vendor, int auth, int acct ); |
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466 |
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467 /* Note: if we want to support capabilities updates, we'll have to add possibility to remove an app as well... */ |
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468 |
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469 |
0 | 470 #endif /* _FREEDIAMETER_H */ |