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aef7278af6
This patch fixes previously reverted code that caused binary incompatibility problems with some modules. And like the original patch it makes sure that no matter what order the endpoint identifier modules were loaded, priority is given based on the ones specified in the new global 'endpoint_identifier_order' option. ASTERISK-24840 Reported by: Mark Michelson Review: https://reviewboard.asterisk.org/r/4489/ ........ Merged revisions 433028 from http://svn.asterisk.org/svn/asterisk/branches/13 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@433029 65c4cc65-6c06-0410-ace0-fbb531ad65f3
129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2013, Digium, Inc.
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*
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* Mark Michelson <mmichelson@digium.com>
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* Joshua Colp <jcolp@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*** MODULEINFO
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<depend>pjproject</depend>
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<depend>res_pjsip</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include <pjsip.h>
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#include "asterisk/res_pjsip.h"
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#include "asterisk/module.h"
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static int get_endpoint_details(pjsip_rx_data *rdata, char *domain, size_t domain_size)
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{
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pjsip_uri *from = rdata->msg_info.from->uri;
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pjsip_sip_uri *sip_from;
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if (!PJSIP_URI_SCHEME_IS_SIP(from) && !PJSIP_URI_SCHEME_IS_SIPS(from)) {
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return -1;
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}
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sip_from = (pjsip_sip_uri *) pjsip_uri_get_uri(from);
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ast_copy_pj_str(domain, &sip_from->host, domain_size);
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return 0;
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}
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static int find_transport_in_use(void *obj, void *arg, int flags)
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{
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struct ast_sip_transport *transport = obj;
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pjsip_rx_data *rdata = arg;
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if ((transport->state->transport == rdata->tp_info.transport) ||
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(transport->state->factory && !pj_strcmp(&transport->state->factory->addr_name.host, &rdata->tp_info.transport->local_name.host) &&
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transport->state->factory->addr_name.port == rdata->tp_info.transport->local_name.port)) {
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return CMP_MATCH | CMP_STOP;
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}
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return 0;
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}
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static struct ast_sip_endpoint *anonymous_identify(pjsip_rx_data *rdata)
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{
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char domain_name[64], id[AST_UUID_STR_LEN];
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struct ast_sip_endpoint *endpoint;
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RAII_VAR(struct ast_sip_domain_alias *, alias, NULL, ao2_cleanup);
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RAII_VAR(struct ao2_container *, transports, NULL, ao2_cleanup);
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RAII_VAR(struct ast_sip_transport *, transport, NULL, ao2_cleanup);
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if (get_endpoint_details(rdata, domain_name, sizeof(domain_name))) {
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return NULL;
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}
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/* Attempt to find the endpoint given the name and domain provided */
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snprintf(id, sizeof(id), "anonymous@%s", domain_name);
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if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
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goto done;
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}
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/* See if an alias exists for the domain provided */
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if ((alias = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "domain_alias", domain_name))) {
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snprintf(id, sizeof(id), "anonymous@%s", alias->domain);
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if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
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goto done;
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}
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}
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/* See if the transport this came in on has a provided domain */
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if ((transports = ast_sorcery_retrieve_by_fields(ast_sip_get_sorcery(), "transport", AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL)) &&
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(transport = ao2_callback(transports, 0, find_transport_in_use, rdata)) &&
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!ast_strlen_zero(transport->domain)) {
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snprintf(id, sizeof(id), "anonymous@%s", transport->domain);
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if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
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goto done;
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}
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}
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/* Fall back to no domain */
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endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", "anonymous");
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done:
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if (endpoint) {
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ast_debug(3, "Retrieved anonymous endpoint '%s'\n", ast_sorcery_object_get_id(endpoint));
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}
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return endpoint;
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}
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static struct ast_sip_endpoint_identifier anonymous_identifier = {
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.identify_endpoint = anonymous_identify,
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};
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static int load_module(void)
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{
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CHECK_PJSIP_MODULE_LOADED();
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ast_sip_register_endpoint_identifier_by_name(&anonymous_identifier, "anonymous");
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return AST_MODULE_LOAD_SUCCESS;
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}
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static int unload_module(void)
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{
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ast_sip_unregister_endpoint_identifier(&anonymous_identifier);
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return 0;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP Anonymous endpoint identifier",
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.support_level = AST_MODULE_SUPPORT_CORE,
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.load = load_module,
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.unload = unload_module,
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.load_pri = AST_MODPRI_DEFAULT,
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);
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