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14bd1ceef6
The ast_sip_request_transport_details must be zero initialized, otherwise this could lead to a SEGV. Resolves: #509
4098 lines
126 KiB
C
4098 lines
126 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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*
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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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#include "asterisk.h"
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#include <pjsip.h>
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/* Needed for SUBSCRIBE, NOTIFY, and PUBLISH method definitions */
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#include <pjsip_simple.h>
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#include <pjsip/sip_transaction.h>
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#include <pj/timer.h>
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#include <pjlib.h>
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#include <pjmedia/errno.h>
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#include "asterisk/res_pjsip.h"
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#include "asterisk/strings.h"
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#include "pjsip/sip_parser.h"
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#include "res_pjsip/include/res_pjsip_private.h"
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#include "asterisk/linkedlists.h"
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#include "asterisk/logger.h"
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#include "asterisk/lock.h"
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#include "asterisk/utils.h"
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#include "asterisk/astobj2.h"
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#include "asterisk/module.h"
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#include "asterisk/serializer.h"
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#include "asterisk/threadpool.h"
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#include "asterisk/taskprocessor.h"
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#include "asterisk/uuid.h"
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#include "asterisk/sorcery.h"
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#include "asterisk/file.h"
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#include "asterisk/causes.h"
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#include "asterisk/cli.h"
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#include "asterisk/callerid.h"
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#include "asterisk/res_pjsip_cli.h"
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#include "asterisk/test.h"
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#include "asterisk/res_pjsip_presence_xml.h"
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#include "asterisk/res_pjproject.h"
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#include "asterisk/utf8.h"
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#include "asterisk/acl.h"
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/*** MODULEINFO
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<depend>pjproject</depend>
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<depend>res_pjproject</depend>
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<depend>res_sorcery_config</depend>
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<depend>res_sorcery_memory</depend>
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<depend>res_sorcery_astdb</depend>
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<use type="module">res_statsd</use>
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<use type="module">res_geolocation</use>
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<support_level>core</support_level>
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***/
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#define MOD_DATA_CONTACT "contact"
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/*! Number of serializers in pool if one not supplied. */
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#define SERIALIZER_POOL_SIZE 8
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/*! Pool of serializers to use if not supplied. */
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static struct ast_serializer_pool *sip_serializer_pool;
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static pjsip_endpoint *ast_pjsip_endpoint;
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static struct ast_threadpool *sip_threadpool;
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/*! Local host address for IPv4 */
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static pj_sockaddr host_ip_ipv4;
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/*! Local host address for IPv4 (string form) */
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static char host_ip_ipv4_string[PJ_INET6_ADDRSTRLEN];
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/*! Local host address for IPv6 */
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static pj_sockaddr host_ip_ipv6;
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/*! Local host address for IPv6 (string form) */
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static char host_ip_ipv6_string[PJ_INET6_ADDRSTRLEN];
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void ast_sip_add_date_header(pjsip_tx_data *tdata)
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{
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char date[256];
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struct tm tm;
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time_t t = time(NULL);
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gmtime_r(&t, &tm);
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strftime(date, sizeof(date), "%a, %d %b %Y %T GMT", &tm);
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ast_sip_add_header(tdata, "Date", date);
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}
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static int register_service(void *data)
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{
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pjsip_module **module = data;
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if (!ast_pjsip_endpoint) {
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ast_log(LOG_ERROR, "There is no PJSIP endpoint. Unable to register services\n");
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return -1;
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}
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if (pjsip_endpt_register_module(ast_pjsip_endpoint, *module) != PJ_SUCCESS) {
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ast_log(LOG_ERROR, "Unable to register module %.*s\n", (int) pj_strlen(&(*module)->name), pj_strbuf(&(*module)->name));
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return -1;
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}
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ast_debug(1, "Registered SIP service %.*s (%p)\n", (int) pj_strlen(&(*module)->name), pj_strbuf(&(*module)->name), *module);
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return 0;
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}
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int ast_sip_register_service(pjsip_module *module)
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{
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return ast_sip_push_task_wait_servant(NULL, register_service, &module);
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}
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static int unregister_service(void *data)
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{
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pjsip_module **module = data;
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if (!ast_pjsip_endpoint) {
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return -1;
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}
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pjsip_endpt_unregister_module(ast_pjsip_endpoint, *module);
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ast_debug(1, "Unregistered SIP service %.*s\n", (int) pj_strlen(&(*module)->name), pj_strbuf(&(*module)->name));
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return 0;
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}
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void ast_sip_unregister_service(pjsip_module *module)
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{
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ast_sip_push_task_wait_servant(NULL, unregister_service, &module);
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}
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static struct ast_sip_authenticator *registered_authenticator;
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int ast_sip_register_authenticator(struct ast_sip_authenticator *auth)
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{
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if (registered_authenticator) {
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ast_log(LOG_WARNING, "Authenticator %p is already registered. Cannot register a new one\n", registered_authenticator);
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return -1;
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}
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registered_authenticator = auth;
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ast_debug(1, "Registered SIP authenticator module %p\n", auth);
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return 0;
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}
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void ast_sip_unregister_authenticator(struct ast_sip_authenticator *auth)
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{
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if (registered_authenticator != auth) {
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ast_log(LOG_WARNING, "Trying to unregister authenticator %p but authenticator %p registered\n",
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auth, registered_authenticator);
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return;
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}
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registered_authenticator = NULL;
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ast_debug(1, "Unregistered SIP authenticator %p\n", auth);
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}
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int ast_sip_requires_authentication(struct ast_sip_endpoint *endpoint, pjsip_rx_data *rdata)
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{
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if (endpoint->allow_unauthenticated_options
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&& !pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, &pjsip_options_method)) {
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ast_debug(3, "Skipping OPTIONS authentication due to endpoint configuration\n");
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return 0;
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}
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if (!registered_authenticator) {
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ast_log(LOG_WARNING, "No SIP authenticator registered. Assuming authentication is not required\n");
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return 0;
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}
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return registered_authenticator->requires_authentication(endpoint, rdata);
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}
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enum ast_sip_check_auth_result ast_sip_check_authentication(struct ast_sip_endpoint *endpoint,
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pjsip_rx_data *rdata, pjsip_tx_data *tdata)
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{
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if (!registered_authenticator) {
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ast_log(LOG_WARNING, "No SIP authenticator registered. Assuming authentication is successful\n");
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return AST_SIP_AUTHENTICATION_SUCCESS;
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}
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return registered_authenticator->check_authentication(endpoint, rdata, tdata);
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}
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static struct ast_sip_outbound_authenticator *registered_outbound_authenticator;
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int ast_sip_register_outbound_authenticator(struct ast_sip_outbound_authenticator *auth)
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{
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if (registered_outbound_authenticator) {
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ast_log(LOG_WARNING, "Outbound authenticator %p is already registered. Cannot register a new one\n", registered_outbound_authenticator);
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return -1;
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}
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registered_outbound_authenticator = auth;
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ast_debug(1, "Registered SIP outbound authenticator module %p\n", auth);
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return 0;
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}
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void ast_sip_unregister_outbound_authenticator(struct ast_sip_outbound_authenticator *auth)
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{
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if (registered_outbound_authenticator != auth) {
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ast_log(LOG_WARNING, "Trying to unregister outbound authenticator %p but outbound authenticator %p registered\n",
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auth, registered_outbound_authenticator);
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return;
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}
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registered_outbound_authenticator = NULL;
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ast_debug(1, "Unregistered SIP outbound authenticator %p\n", auth);
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}
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int ast_sip_create_request_with_auth(const struct ast_sip_auth_vector *auths, pjsip_rx_data *challenge,
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pjsip_tx_data *old_request, pjsip_tx_data **new_request)
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{
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if (!registered_outbound_authenticator) {
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ast_log(LOG_WARNING, "No SIP outbound authenticator registered. Cannot respond to authentication challenge\n");
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return -1;
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}
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return registered_outbound_authenticator->create_request_with_auth(auths, challenge, old_request, new_request);
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}
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struct endpoint_identifier_list {
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const char *name;
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unsigned int priority;
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struct ast_sip_endpoint_identifier *identifier;
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AST_RWLIST_ENTRY(endpoint_identifier_list) list;
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};
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static AST_RWLIST_HEAD_STATIC(endpoint_identifiers, endpoint_identifier_list);
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int ast_sip_register_endpoint_identifier_with_name(struct ast_sip_endpoint_identifier *identifier,
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const char *name)
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{
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char *prev, *current, *identifier_order;
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struct endpoint_identifier_list *iter, *id_list_item;
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SCOPED_LOCK(lock, &endpoint_identifiers, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
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id_list_item = ast_calloc(1, sizeof(*id_list_item));
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if (!id_list_item) {
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ast_log(LOG_ERROR, "Unable to add endpoint identifier. Out of memory.\n");
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return -1;
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}
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id_list_item->identifier = identifier;
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id_list_item->name = name;
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ast_debug(1, "Register endpoint identifier %s(%p)\n", name ?: "", identifier);
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if (ast_strlen_zero(name)) {
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/* if an identifier has no name then place in front */
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AST_RWLIST_INSERT_HEAD(&endpoint_identifiers, id_list_item, list);
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return 0;
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}
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/* see if the name of the identifier is in the global endpoint_identifier_order list */
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identifier_order = prev = current = ast_sip_get_endpoint_identifier_order();
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if (ast_strlen_zero(identifier_order)) {
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id_list_item->priority = UINT_MAX;
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AST_RWLIST_INSERT_TAIL(&endpoint_identifiers, id_list_item, list);
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ast_free(identifier_order);
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return 0;
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}
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id_list_item->priority = 0;
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while ((current = strchr(current, ','))) {
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++id_list_item->priority;
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if (!strncmp(prev, name, current - prev)
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&& strlen(name) == current - prev) {
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break;
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}
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prev = ++current;
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}
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if (!current) {
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/* check to see if it is the only or last item */
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if (!strcmp(prev, name)) {
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++id_list_item->priority;
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} else {
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id_list_item->priority = UINT_MAX;
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}
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}
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if (id_list_item->priority == UINT_MAX || AST_RWLIST_EMPTY(&endpoint_identifiers)) {
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/* if not in the endpoint_identifier_order list then consider it less in
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priority and add it to the end */
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AST_RWLIST_INSERT_TAIL(&endpoint_identifiers, id_list_item, list);
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ast_free(identifier_order);
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return 0;
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}
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AST_RWLIST_TRAVERSE_SAFE_BEGIN(&endpoint_identifiers, iter, list) {
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if (id_list_item->priority < iter->priority) {
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AST_RWLIST_INSERT_BEFORE_CURRENT(id_list_item, list);
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break;
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}
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if (!AST_RWLIST_NEXT(iter, list)) {
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AST_RWLIST_INSERT_AFTER(&endpoint_identifiers, iter, id_list_item, list);
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break;
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}
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}
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AST_RWLIST_TRAVERSE_SAFE_END;
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ast_free(identifier_order);
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return 0;
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}
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int ast_sip_register_endpoint_identifier(struct ast_sip_endpoint_identifier *identifier)
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{
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return ast_sip_register_endpoint_identifier_with_name(identifier, NULL);
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}
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void ast_sip_unregister_endpoint_identifier(struct ast_sip_endpoint_identifier *identifier)
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{
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struct endpoint_identifier_list *iter;
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SCOPED_LOCK(lock, &endpoint_identifiers, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
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AST_RWLIST_TRAVERSE_SAFE_BEGIN(&endpoint_identifiers, iter, list) {
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if (iter->identifier == identifier) {
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AST_RWLIST_REMOVE_CURRENT(list);
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ast_free(iter);
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ast_debug(1, "Unregistered endpoint identifier %p\n", identifier);
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break;
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}
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}
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AST_RWLIST_TRAVERSE_SAFE_END;
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}
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struct ast_sip_endpoint *ast_sip_identify_endpoint(pjsip_rx_data *rdata)
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{
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struct endpoint_identifier_list *iter;
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struct ast_sip_endpoint *endpoint = NULL;
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SCOPED_LOCK(lock, &endpoint_identifiers, AST_RWLIST_RDLOCK, AST_RWLIST_UNLOCK);
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AST_RWLIST_TRAVERSE(&endpoint_identifiers, iter, list) {
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ast_assert(iter->identifier->identify_endpoint != NULL);
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endpoint = iter->identifier->identify_endpoint(rdata);
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if (endpoint) {
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break;
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}
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}
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return endpoint;
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}
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char *ast_sip_rdata_get_header_value(pjsip_rx_data *rdata, const pj_str_t str)
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{
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pjsip_generic_string_hdr *hdr;
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pj_str_t hdr_val;
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hdr = pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &str, NULL);
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if (!hdr) {
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return NULL;
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}
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pj_strdup_with_null(rdata->tp_info.pool, &hdr_val, &hdr->hvalue);
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return hdr_val.ptr;
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}
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static int do_cli_dump_endpt(void *v_a)
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{
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struct ast_cli_args *a = v_a;
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ast_pjproject_log_intercept_begin(a->fd);
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pjsip_endpt_dump(ast_sip_get_pjsip_endpoint(), a->argc == 4 ? PJ_TRUE : PJ_FALSE);
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ast_pjproject_log_intercept_end();
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return 0;
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}
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static char *cli_dump_endpt(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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switch (cmd) {
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case CLI_INIT:
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#ifdef AST_DEVMODE
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e->command = "pjsip dump endpt [details]";
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e->usage =
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"Usage: pjsip dump endpt [details]\n"
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" Dump the res_pjsip endpt internals.\n"
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"\n"
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"Warning: PJPROJECT documents that the function used by this\n"
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"CLI command may cause a crash when asking for details because\n"
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"it tries to access all active memory pools.\n";
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#else
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/*
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* In non-developer mode we will not document or make easily accessible
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* the details option even though it is still available. The user has
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* to know it exists to use it. Presumably they would also be aware of
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* the potential crash warning.
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*/
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e->command = "pjsip dump endpt";
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e->usage =
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"Usage: pjsip dump endpt\n"
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" Dump the res_pjsip endpt internals.\n";
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#endif /* AST_DEVMODE */
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return NULL;
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case CLI_GENERATE:
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return NULL;
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}
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if (4 < a->argc
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|| (a->argc == 4 && strcasecmp(a->argv[3], "details"))) {
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return CLI_SHOWUSAGE;
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}
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ast_sip_push_task_wait_servant(NULL, do_cli_dump_endpt, a);
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return CLI_SUCCESS;
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}
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static char *cli_show_endpoint_identifiers(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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#define ENDPOINT_IDENTIFIER_FORMAT "%-20.20s\n"
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struct endpoint_identifier_list *iter;
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switch (cmd) {
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case CLI_INIT:
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e->command = "pjsip show identifiers";
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e->usage = "Usage: pjsip show identifiers\n"
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" List all registered endpoint identifiers\n";
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return NULL;
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case CLI_GENERATE:
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return NULL;
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}
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if (a->argc != 3) {
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return CLI_SHOWUSAGE;
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}
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ast_cli(a->fd, ENDPOINT_IDENTIFIER_FORMAT, "Identifier Names:");
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{
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SCOPED_LOCK(lock, &endpoint_identifiers, AST_RWLIST_RDLOCK, AST_RWLIST_UNLOCK);
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AST_RWLIST_TRAVERSE(&endpoint_identifiers, iter, list) {
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ast_cli(a->fd, ENDPOINT_IDENTIFIER_FORMAT,
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iter->name ? iter->name : "name not specified");
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}
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}
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return CLI_SUCCESS;
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#undef ENDPOINT_IDENTIFIER_FORMAT
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}
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static char *cli_show_settings(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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struct ast_sip_cli_context context;
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switch (cmd) {
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case CLI_INIT:
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e->command = "pjsip show settings";
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e->usage = "Usage: pjsip show settings\n"
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" Show global and system configuration options\n";
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return NULL;
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case CLI_GENERATE:
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return NULL;
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}
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context.output_buffer = ast_str_create(256);
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if (!context.output_buffer) {
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ast_cli(a->fd, "Could not allocate output buffer.\n");
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return CLI_FAILURE;
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}
|
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|
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if (sip_cli_print_global(&context) || sip_cli_print_system(&context)) {
|
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ast_free(context.output_buffer);
|
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ast_cli(a->fd, "Error retrieving settings.\n");
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return CLI_FAILURE;
|
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}
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|
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ast_cli(a->fd, "%s", ast_str_buffer(context.output_buffer));
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ast_free(context.output_buffer);
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return CLI_SUCCESS;
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}
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|
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static struct ast_cli_entry cli_commands[] = {
|
|
AST_CLI_DEFINE(cli_dump_endpt, "Dump the res_pjsip endpt internals"),
|
|
AST_CLI_DEFINE(cli_show_settings, "Show global and system configuration options"),
|
|
AST_CLI_DEFINE(cli_show_endpoint_identifiers, "List registered endpoint identifiers")
|
|
};
|
|
|
|
AST_RWLIST_HEAD_STATIC(endpoint_formatters, ast_sip_endpoint_formatter);
|
|
|
|
void ast_sip_register_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
|
|
{
|
|
SCOPED_LOCK(lock, &endpoint_formatters, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
|
|
AST_RWLIST_INSERT_TAIL(&endpoint_formatters, obj, next);
|
|
}
|
|
|
|
void ast_sip_unregister_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
|
|
{
|
|
struct ast_sip_endpoint_formatter *i;
|
|
SCOPED_LOCK(lock, &endpoint_formatters, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
|
|
|
|
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&endpoint_formatters, i, next) {
|
|
if (i == obj) {
|
|
AST_RWLIST_REMOVE_CURRENT(next);
|
|
break;
|
|
}
|
|
}
|
|
AST_RWLIST_TRAVERSE_SAFE_END;
|
|
}
|
|
|
|
int ast_sip_format_endpoint_ami(struct ast_sip_endpoint *endpoint,
|
|
struct ast_sip_ami *ami, int *count)
|
|
{
|
|
int res = 0;
|
|
struct ast_sip_endpoint_formatter *i;
|
|
SCOPED_LOCK(lock, &endpoint_formatters, AST_RWLIST_RDLOCK, AST_RWLIST_UNLOCK);
|
|
*count = 0;
|
|
AST_RWLIST_TRAVERSE(&endpoint_formatters, i, next) {
|
|
if (i->format_ami && ((res = i->format_ami(endpoint, ami)) < 0)) {
|
|
return res;
|
|
}
|
|
|
|
if (!res) {
|
|
(*count)++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
pjsip_endpoint *ast_sip_get_pjsip_endpoint(void)
|
|
{
|
|
return ast_pjsip_endpoint;
|
|
}
|
|
|
|
int ast_sip_will_uri_survive_restart(pjsip_sip_uri *uri, struct ast_sip_endpoint *endpoint,
|
|
pjsip_rx_data *rdata)
|
|
{
|
|
pj_str_t host_name;
|
|
int result = 1;
|
|
|
|
/* Determine if the contact cannot survive a restart/boot. */
|
|
if (uri->port == rdata->pkt_info.src_port
|
|
&& !pj_strcmp(&uri->host,
|
|
pj_cstr(&host_name, rdata->pkt_info.src_name))
|
|
/* We have already checked if the URI scheme is sip: or sips: */
|
|
&& PJSIP_TRANSPORT_IS_RELIABLE(rdata->tp_info.transport)) {
|
|
pj_str_t type_name;
|
|
|
|
/* Determine the transport parameter value */
|
|
if (!strcasecmp("WSS", rdata->tp_info.transport->type_name)) {
|
|
/* WSS is special, as it needs to be ws. */
|
|
pj_cstr(&type_name, "ws");
|
|
} else {
|
|
pj_cstr(&type_name, rdata->tp_info.transport->type_name);
|
|
}
|
|
|
|
if (!pj_stricmp(&uri->transport_param, &type_name)
|
|
&& (endpoint->nat.rewrite_contact
|
|
/* Websockets are always rewritten */
|
|
|| !pj_stricmp(&uri->transport_param,
|
|
pj_cstr(&type_name, "ws")))) {
|
|
/*
|
|
* The contact was rewritten to the reliable transport's
|
|
* source address. Disconnecting the transport for any
|
|
* reason invalidates the contact.
|
|
*/
|
|
result = 0;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
pjsip_sip_uri *ast_sip_get_contact_sip_uri(pjsip_tx_data *tdata)
|
|
{
|
|
pjsip_contact_hdr *contact = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CONTACT, NULL);
|
|
|
|
if (!contact || (!PJSIP_URI_SCHEME_IS_SIP(contact->uri) && !PJSIP_URI_SCHEME_IS_SIPS(contact->uri))) {
|
|
return NULL;
|
|
}
|
|
|
|
return pjsip_uri_get_uri(contact->uri);
|
|
}
|
|
|
|
/*! \brief Callback function for finding the transport the request is going out on */
|
|
static int find_transport_state_in_use(void *obj, void *arg, int flags)
|
|
{
|
|
struct ast_sip_transport_state *transport_state = obj;
|
|
struct ast_sip_request_transport_details *details = arg;
|
|
|
|
/* If an explicit transport or factory matches then this is what is in use, if we are unavailable
|
|
* to compare based on that we make sure that the type is the same and the source IP address/port are the same
|
|
*/
|
|
if (transport_state && ((details->transport && details->transport == transport_state->transport) ||
|
|
(details->factory && details->factory == transport_state->factory) ||
|
|
((details->type == transport_state->type) && (transport_state->factory) &&
|
|
!pj_strcmp(&transport_state->factory->addr_name.host, &details->local_address) &&
|
|
transport_state->factory->addr_name.port == details->local_port))) {
|
|
return CMP_MATCH | CMP_STOP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct ast_sip_transport_state *ast_sip_find_transport_state_in_use(struct ast_sip_request_transport_details *details) {
|
|
RAII_VAR(struct ao2_container *, transport_states, NULL, ao2_cleanup);
|
|
|
|
if (!(transport_states = ast_sip_get_transport_states())) {
|
|
return NULL;
|
|
}
|
|
|
|
return ao2_callback(transport_states, 0, find_transport_state_in_use, details);
|
|
}
|
|
|
|
int ast_sip_rewrite_uri_to_local(pjsip_sip_uri *uri, pjsip_tx_data *tdata) {
|
|
RAII_VAR(struct ast_sip_transport *, transport, NULL, ao2_cleanup);
|
|
RAII_VAR(struct ast_sip_transport_state *, transport_state, NULL, ao2_cleanup);
|
|
struct ast_sip_request_transport_details details = { 0, };
|
|
pjsip_sip_uri *tmp_uri;
|
|
pjsip_dialog *dlg;
|
|
struct ast_sockaddr addr = { { 0, } };
|
|
|
|
if ((tmp_uri = ast_sip_get_contact_sip_uri(tdata))) {
|
|
pj_strdup(tdata->pool, &uri->host, &tmp_uri->host);
|
|
uri->port = tmp_uri->port;
|
|
} else if ((dlg = pjsip_tdata_get_dlg(tdata))
|
|
&& (tmp_uri = pjsip_uri_get_uri(dlg->local.info->uri))
|
|
&& (PJSIP_URI_SCHEME_IS_SIP(tmp_uri) || PJSIP_URI_SCHEME_IS_SIPS(tmp_uri))) {
|
|
pj_strdup(tdata->pool, &uri->host, &tmp_uri->host);
|
|
uri->port = tmp_uri->port;
|
|
}
|
|
|
|
if (ast_sip_set_request_transport_details(&details, tdata, 1)
|
|
|| !(transport_state = ast_sip_find_transport_state_in_use(&details))
|
|
|| !(transport = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "transport", transport_state->id))) {
|
|
return 0;
|
|
}
|
|
|
|
if (transport_state->localnet) {
|
|
ast_sockaddr_parse(&addr, tdata->tp_info.dst_name, PARSE_PORT_FORBID);
|
|
ast_sockaddr_set_port(&addr, tdata->tp_info.dst_port);
|
|
if (ast_sip_transport_is_local(transport_state, &addr)) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (!ast_sockaddr_isnull(&transport_state->external_signaling_address)) {
|
|
pj_strdup2(tdata->pool, &uri->host, ast_sockaddr_stringify_host(&transport_state->external_signaling_address));
|
|
}
|
|
|
|
if (transport->external_signaling_port) {
|
|
uri->port = transport->external_signaling_port;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_set_request_transport_details(struct ast_sip_request_transport_details *details, pjsip_tx_data *tdata,
|
|
int use_ipv6) {
|
|
pjsip_sip_uri *uri;
|
|
pjsip_via_hdr *via;
|
|
long transport_type;
|
|
|
|
if (!details || !tdata) {
|
|
return -1;
|
|
}
|
|
|
|
/* If IPv6 should be considered, un-set Bit 7 to make TCP6 equal to TCP and TLS6 equal to TLS */
|
|
transport_type = use_ipv6 ? tdata->tp_info.transport->key.type & ~(PJSIP_TRANSPORT_IPV6)
|
|
: tdata->tp_info.transport->key.type;
|
|
|
|
if (tdata->tp_sel.type == PJSIP_TPSELECTOR_TRANSPORT) {
|
|
details->transport = tdata->tp_sel.u.transport;
|
|
} else if (tdata->tp_sel.type == PJSIP_TPSELECTOR_LISTENER) {
|
|
details->factory = tdata->tp_sel.u.listener;
|
|
} else if (transport_type == PJSIP_TRANSPORT_UDP || transport_type == PJSIP_TRANSPORT_UDP6) {
|
|
/* Connectionless uses the same transport for all requests */
|
|
details->type = AST_TRANSPORT_UDP;
|
|
details->transport = tdata->tp_info.transport;
|
|
} else {
|
|
if (transport_type == PJSIP_TRANSPORT_TCP) {
|
|
details->type = AST_TRANSPORT_TCP;
|
|
} else if (transport_type == PJSIP_TRANSPORT_TLS) {
|
|
details->type = AST_TRANSPORT_TLS;
|
|
} else {
|
|
/* Unknown transport type, we can't map. */
|
|
return -1;
|
|
}
|
|
|
|
if ((uri = ast_sip_get_contact_sip_uri(tdata))) {
|
|
details->local_address = uri->host;
|
|
details->local_port = uri->port;
|
|
} else if ((tdata->msg->type == PJSIP_REQUEST_MSG) &&
|
|
(via = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_VIA, NULL))) {
|
|
details->local_address = via->sent_by.host;
|
|
details->local_port = via->sent_by.port;
|
|
} else {
|
|
return -1;
|
|
}
|
|
|
|
if (!details->local_port) {
|
|
details->local_port = (details->type == AST_TRANSPORT_TLS) ? 5061 : 5060;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_get_transport_name(const struct ast_sip_endpoint *endpoint,
|
|
pjsip_sip_uri *sip_uri, char *buf, size_t buf_len)
|
|
{
|
|
char *host = NULL;
|
|
static const pj_str_t x_name = { AST_SIP_X_AST_TXP, AST_SIP_X_AST_TXP_LEN };
|
|
pjsip_param *x_transport;
|
|
|
|
if (!ast_strlen_zero(endpoint->transport)) {
|
|
ast_copy_string(buf, endpoint->transport, buf_len);
|
|
return 0;
|
|
}
|
|
|
|
x_transport = pjsip_param_find(&sip_uri->other_param, &x_name);
|
|
if (!x_transport) {
|
|
return -1;
|
|
}
|
|
|
|
/* Only use x_transport if the uri host is an ip (4 or 6) address */
|
|
host = ast_alloca(sip_uri->host.slen + 1);
|
|
ast_copy_pj_str(host, &sip_uri->host, sip_uri->host.slen + 1);
|
|
if (!ast_sockaddr_parse(NULL, host, PARSE_PORT_FORBID)) {
|
|
return -1;
|
|
}
|
|
|
|
ast_copy_pj_str(buf, &x_transport->value, buf_len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_dlg_set_transport(const struct ast_sip_endpoint *endpoint, pjsip_dialog *dlg,
|
|
pjsip_tpselector *selector)
|
|
{
|
|
pjsip_sip_uri *uri;
|
|
pjsip_tpselector sel = { .type = PJSIP_TPSELECTOR_NONE, };
|
|
|
|
uri = pjsip_uri_get_uri(dlg->target);
|
|
if (!selector) {
|
|
selector = &sel;
|
|
}
|
|
|
|
ast_sip_set_tpselector_from_ep_or_uri(endpoint, uri, selector);
|
|
|
|
pjsip_dlg_set_transport(dlg, selector);
|
|
|
|
if (selector == &sel) {
|
|
ast_sip_tpselector_unref(&sel);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sip_dialog_create_from(pj_pool_t *pool, pj_str_t *from, const char *user,
|
|
const char *domain, const pj_str_t *target, pjsip_tpselector *selector)
|
|
{
|
|
pj_str_t tmp, local_addr;
|
|
pjsip_uri *uri;
|
|
pjsip_sip_uri *sip_uri;
|
|
pjsip_transport_type_e type;
|
|
int local_port;
|
|
char default_user[PJSIP_MAX_URL_SIZE];
|
|
|
|
if (ast_strlen_zero(user)) {
|
|
ast_sip_get_default_from_user(default_user, sizeof(default_user));
|
|
user = default_user;
|
|
}
|
|
|
|
/* Parse the provided target URI so we can determine what transport it will end up using */
|
|
pj_strdup_with_null(pool, &tmp, target);
|
|
|
|
if (!(uri = pjsip_parse_uri(pool, tmp.ptr, tmp.slen, 0)) ||
|
|
(!PJSIP_URI_SCHEME_IS_SIP(uri) && !PJSIP_URI_SCHEME_IS_SIPS(uri))) {
|
|
return -1;
|
|
}
|
|
|
|
sip_uri = pjsip_uri_get_uri(uri);
|
|
|
|
/* Determine the transport type to use */
|
|
type = pjsip_transport_get_type_from_name(&sip_uri->transport_param);
|
|
if (PJSIP_URI_SCHEME_IS_SIPS(sip_uri)) {
|
|
if (type == PJSIP_TRANSPORT_UNSPECIFIED
|
|
|| !(pjsip_transport_get_flag_from_type(type) & PJSIP_TRANSPORT_SECURE)) {
|
|
type = PJSIP_TRANSPORT_TLS;
|
|
}
|
|
} else if (!sip_uri->transport_param.slen) {
|
|
type = PJSIP_TRANSPORT_UDP;
|
|
} else if (type == PJSIP_TRANSPORT_UNSPECIFIED) {
|
|
return -1;
|
|
}
|
|
|
|
/* If the host is IPv6 turn the transport into an IPv6 version */
|
|
if (pj_strchr(&sip_uri->host, ':')) {
|
|
type |= PJSIP_TRANSPORT_IPV6;
|
|
}
|
|
|
|
/* In multidomain scenario, username may contain @ with domain info */
|
|
if (!ast_sip_get_disable_multi_domain() && strchr(user, '@')) {
|
|
from->ptr = pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
|
|
from->slen = pj_ansi_snprintf(from->ptr, PJSIP_MAX_URL_SIZE,
|
|
"<sip:%s%s%s>",
|
|
user,
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? ";transport=" : "",
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? pjsip_transport_get_type_name(type) : "");
|
|
return 0;
|
|
}
|
|
|
|
if (!ast_strlen_zero(domain)) {
|
|
from->ptr = pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
|
|
from->slen = pj_ansi_snprintf(from->ptr, PJSIP_MAX_URL_SIZE,
|
|
"<sip:%s@%s%s%s>",
|
|
user,
|
|
domain,
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? ";transport=" : "",
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? pjsip_transport_get_type_name(type) : "");
|
|
return 0;
|
|
}
|
|
|
|
/* Get the local bound address for the transport that will be used when communicating with the provided URI */
|
|
if (pjsip_tpmgr_find_local_addr(pjsip_endpt_get_tpmgr(ast_sip_get_pjsip_endpoint()), pool, type, selector,
|
|
&local_addr, &local_port) != PJ_SUCCESS) {
|
|
|
|
/* If no local address can be retrieved using the transport manager use the host one */
|
|
pj_strdup(pool, &local_addr, pj_gethostname());
|
|
local_port = pjsip_transport_get_default_port_for_type(PJSIP_TRANSPORT_UDP);
|
|
}
|
|
|
|
/* If IPv6 was specified in the transport, set the proper type */
|
|
if (pj_strchr(&local_addr, ':')) {
|
|
type |= PJSIP_TRANSPORT_IPV6;
|
|
}
|
|
|
|
from->ptr = pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
|
|
from->slen = pj_ansi_snprintf(from->ptr, PJSIP_MAX_URL_SIZE,
|
|
"<sip:%s@%s%.*s%s:%d%s%s>",
|
|
user,
|
|
(type & PJSIP_TRANSPORT_IPV6) ? "[" : "",
|
|
(int)local_addr.slen,
|
|
local_addr.ptr,
|
|
(type & PJSIP_TRANSPORT_IPV6) ? "]" : "",
|
|
local_port,
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? ";transport=" : "",
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? pjsip_transport_get_type_name(type) : "");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_set_tpselector_from_transport(const struct ast_sip_transport *transport, pjsip_tpselector *selector)
|
|
{
|
|
int res = 0;
|
|
struct ast_sip_transport_state *transport_state;
|
|
|
|
transport_state = ast_sip_get_transport_state(ast_sorcery_object_get_id(transport));
|
|
if (!transport_state) {
|
|
ast_log(LOG_ERROR, "Unable to retrieve PJSIP transport state for '%s'\n",
|
|
ast_sorcery_object_get_id(transport));
|
|
return -1;
|
|
}
|
|
|
|
/* Only flows maintain dynamic state which needs protection */
|
|
if (transport_state->flow) {
|
|
ao2_lock(transport_state);
|
|
}
|
|
|
|
if (transport_state->transport) {
|
|
selector->type = PJSIP_TPSELECTOR_TRANSPORT;
|
|
selector->u.transport = transport_state->transport;
|
|
pjsip_transport_add_ref(selector->u.transport);
|
|
} else if (transport_state->factory) {
|
|
selector->type = PJSIP_TPSELECTOR_LISTENER;
|
|
selector->u.listener = transport_state->factory;
|
|
} else if (transport->type == AST_TRANSPORT_WS || transport->type == AST_TRANSPORT_WSS) {
|
|
/* The WebSocket transport has no factory as it can not create outgoing connections, so
|
|
* even if an endpoint is locked to a WebSocket transport we let the PJSIP logic
|
|
* find the existing connection if available and use it.
|
|
*/
|
|
} else if (transport->flow) {
|
|
/* This is a child of another transport, so we need to establish a new connection */
|
|
#ifdef HAVE_PJSIP_TRANSPORT_DISABLE_CONNECTION_REUSE
|
|
selector->disable_connection_reuse = PJ_TRUE;
|
|
#else
|
|
ast_log(LOG_WARNING, "Connection reuse could not be disabled on transport '%s' as support is not available\n",
|
|
ast_sorcery_object_get_id(transport));
|
|
#endif
|
|
} else {
|
|
res = -1;
|
|
}
|
|
|
|
if (transport_state->flow) {
|
|
ao2_unlock(transport_state);
|
|
}
|
|
|
|
ao2_ref(transport_state, -1);
|
|
|
|
return res;
|
|
}
|
|
|
|
int ast_sip_set_tpselector_from_transport_name(const char *transport_name, pjsip_tpselector *selector)
|
|
{
|
|
RAII_VAR(struct ast_sip_transport *, transport, NULL, ao2_cleanup);
|
|
|
|
if (ast_strlen_zero(transport_name)) {
|
|
return 0;
|
|
}
|
|
|
|
transport = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "transport", transport_name);
|
|
if (!transport) {
|
|
ast_log(LOG_ERROR, "Unable to retrieve PJSIP transport '%s'\n",
|
|
transport_name);
|
|
return -1;
|
|
}
|
|
|
|
return ast_sip_set_tpselector_from_transport(transport, selector);
|
|
}
|
|
|
|
int ast_sip_set_tpselector_from_ep_or_uri(const struct ast_sip_endpoint *endpoint,
|
|
pjsip_sip_uri *sip_uri, pjsip_tpselector *selector)
|
|
{
|
|
char transport_name[128];
|
|
|
|
if (ast_sip_get_transport_name(endpoint, sip_uri, transport_name, sizeof(transport_name))) {
|
|
return 0;
|
|
}
|
|
|
|
return ast_sip_set_tpselector_from_transport_name(transport_name, selector);
|
|
}
|
|
|
|
void ast_sip_tpselector_unref(pjsip_tpselector *selector)
|
|
{
|
|
if (selector->type == PJSIP_TPSELECTOR_TRANSPORT && selector->u.transport) {
|
|
pjsip_transport_dec_ref(selector->u.transport);
|
|
}
|
|
}
|
|
|
|
void ast_sip_add_usereqphone(const struct ast_sip_endpoint *endpoint, pj_pool_t *pool, pjsip_uri *uri)
|
|
{
|
|
pjsip_sip_uri *sip_uri;
|
|
int i = 0;
|
|
static const pj_str_t STR_PHONE = { "phone", 5 };
|
|
|
|
if (!endpoint || !endpoint->usereqphone || (!PJSIP_URI_SCHEME_IS_SIP(uri) && !PJSIP_URI_SCHEME_IS_SIPS(uri))) {
|
|
return;
|
|
}
|
|
|
|
sip_uri = pjsip_uri_get_uri(uri);
|
|
|
|
if (!pj_strlen(&sip_uri->user)) {
|
|
return;
|
|
}
|
|
|
|
if (pj_strbuf(&sip_uri->user)[0] == '+') {
|
|
i = 1;
|
|
}
|
|
|
|
/* Test URI user against allowed characters in AST_DIGIT_ANY */
|
|
for (; i < pj_strlen(&sip_uri->user); i++) {
|
|
if (!strchr(AST_DIGIT_ANY, pj_strbuf(&sip_uri->user)[i])) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i < pj_strlen(&sip_uri->user)) {
|
|
return;
|
|
}
|
|
|
|
sip_uri->user_param = STR_PHONE;
|
|
}
|
|
|
|
pjsip_dialog *ast_sip_create_dialog_uac(const struct ast_sip_endpoint *endpoint,
|
|
const char *uri, const char *request_user)
|
|
{
|
|
char enclosed_uri[PJSIP_MAX_URL_SIZE];
|
|
pj_str_t local_uri = { "sip:temp@temp", 13 }, remote_uri, target_uri;
|
|
pj_status_t res;
|
|
pjsip_dialog *dlg = NULL;
|
|
const char *outbound_proxy = endpoint->outbound_proxy;
|
|
pjsip_tpselector selector = { .type = PJSIP_TPSELECTOR_NONE, };
|
|
static const pj_str_t HCONTACT = { "Contact", 7 };
|
|
|
|
if (!ast_begins_with(uri, "<")) {
|
|
snprintf(enclosed_uri, sizeof(enclosed_uri), "<%s>", uri);
|
|
} else {
|
|
snprintf(enclosed_uri, sizeof(enclosed_uri), "%s", uri);
|
|
}
|
|
pj_cstr(&remote_uri, enclosed_uri);
|
|
|
|
pj_cstr(&target_uri, uri);
|
|
|
|
res = pjsip_dlg_create_uac(pjsip_ua_instance(), &local_uri, NULL, &remote_uri, &target_uri, &dlg);
|
|
if (res == PJ_SUCCESS && !(PJSIP_URI_SCHEME_IS_SIP(dlg->target) || PJSIP_URI_SCHEME_IS_SIPS(dlg->target))) {
|
|
/* dlg->target is a pjsip_other_uri, but it's assumed to be a
|
|
* pjsip_sip_uri below. Fail fast. */
|
|
res = PJSIP_EINVALIDURI;
|
|
pjsip_dlg_terminate(dlg);
|
|
}
|
|
if (res != PJ_SUCCESS) {
|
|
if (res == PJSIP_EINVALIDURI) {
|
|
ast_log(LOG_ERROR,
|
|
"Endpoint '%s': Could not create dialog to invalid URI '%s'. Is endpoint registered and reachable?\n",
|
|
ast_sorcery_object_get_id(endpoint), uri);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* We have to temporarily bump up the sess_count here so the dialog is not prematurely destroyed */
|
|
dlg->sess_count++;
|
|
|
|
ast_sip_dlg_set_transport(endpoint, dlg, &selector);
|
|
|
|
if (sip_dialog_create_from(dlg->pool, &local_uri, endpoint->fromuser, endpoint->fromdomain, &remote_uri, &selector)) {
|
|
dlg->sess_count--;
|
|
pjsip_dlg_terminate(dlg);
|
|
ast_sip_tpselector_unref(&selector);
|
|
return NULL;
|
|
}
|
|
|
|
ast_sip_tpselector_unref(&selector);
|
|
|
|
/* Update the dialog with the new local URI, we do it afterwards so we can use the dialog pool for construction */
|
|
pj_strdup_with_null(dlg->pool, &dlg->local.info_str, &local_uri);
|
|
dlg->local.info->uri = pjsip_parse_uri(dlg->pool, dlg->local.info_str.ptr, dlg->local.info_str.slen, 0);
|
|
if (!dlg->local.info->uri) {
|
|
ast_log(LOG_ERROR,
|
|
"Could not parse URI '%s' for endpoint '%s'\n",
|
|
dlg->local.info_str.ptr, ast_sorcery_object_get_id(endpoint));
|
|
dlg->sess_count--;
|
|
pjsip_dlg_terminate(dlg);
|
|
return NULL;
|
|
}
|
|
|
|
dlg->local.contact = pjsip_parse_hdr(dlg->pool, &HCONTACT, local_uri.ptr, local_uri.slen, NULL);
|
|
|
|
if (!ast_strlen_zero(endpoint->contact_user)) {
|
|
pjsip_sip_uri *sip_uri;
|
|
|
|
sip_uri = pjsip_uri_get_uri(dlg->local.contact->uri);
|
|
pj_strdup2(dlg->pool, &sip_uri->user, endpoint->contact_user);
|
|
}
|
|
|
|
/* If a request user has been specified and we are permitted to change it, do so */
|
|
if (!ast_strlen_zero(request_user)) {
|
|
pjsip_sip_uri *sip_uri;
|
|
|
|
if (PJSIP_URI_SCHEME_IS_SIP(dlg->target) || PJSIP_URI_SCHEME_IS_SIPS(dlg->target)) {
|
|
sip_uri = pjsip_uri_get_uri(dlg->target);
|
|
pj_strdup2(dlg->pool, &sip_uri->user, request_user);
|
|
}
|
|
if (PJSIP_URI_SCHEME_IS_SIP(dlg->remote.info->uri) || PJSIP_URI_SCHEME_IS_SIPS(dlg->remote.info->uri)) {
|
|
sip_uri = pjsip_uri_get_uri(dlg->remote.info->uri);
|
|
pj_strdup2(dlg->pool, &sip_uri->user, request_user);
|
|
}
|
|
}
|
|
|
|
/* Add the user=phone parameter if applicable */
|
|
ast_sip_add_usereqphone(endpoint, dlg->pool, dlg->target);
|
|
ast_sip_add_usereqphone(endpoint, dlg->pool, dlg->remote.info->uri);
|
|
ast_sip_add_usereqphone(endpoint, dlg->pool, dlg->local.info->uri);
|
|
|
|
if (!ast_strlen_zero(outbound_proxy)) {
|
|
pjsip_route_hdr route_set, *route;
|
|
static const pj_str_t ROUTE_HNAME = { "Route", 5 };
|
|
pj_str_t tmp;
|
|
|
|
pj_list_init(&route_set);
|
|
|
|
pj_strdup2_with_null(dlg->pool, &tmp, outbound_proxy);
|
|
if (!(route = pjsip_parse_hdr(dlg->pool, &ROUTE_HNAME, tmp.ptr, tmp.slen, NULL))) {
|
|
ast_log(LOG_ERROR, "Could not create dialog to endpoint '%s' as outbound proxy URI '%s' is not valid\n",
|
|
ast_sorcery_object_get_id(endpoint), outbound_proxy);
|
|
dlg->sess_count--;
|
|
pjsip_dlg_terminate(dlg);
|
|
return NULL;
|
|
}
|
|
pj_list_insert_nodes_before(&route_set, route);
|
|
|
|
pjsip_dlg_set_route_set(dlg, &route_set);
|
|
}
|
|
|
|
dlg->sess_count--;
|
|
|
|
return dlg;
|
|
}
|
|
|
|
/*!
|
|
* \brief Determine if a SIPS Contact header is required.
|
|
*
|
|
* This uses the guideline provided in RFC 3261 Section 12.1.1 to
|
|
* determine if the Contact header must be a sips: URI.
|
|
*
|
|
* \param rdata The incoming dialog-starting request
|
|
* \retval 0 SIPS not required
|
|
* \retval 1 SIPS required
|
|
*/
|
|
static int uas_use_sips_contact(pjsip_rx_data *rdata)
|
|
{
|
|
pjsip_rr_hdr *record_route;
|
|
|
|
if (PJSIP_URI_SCHEME_IS_SIPS(rdata->msg_info.msg->line.req.uri)) {
|
|
return 1;
|
|
}
|
|
|
|
record_route = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_RECORD_ROUTE, NULL);
|
|
if (record_route) {
|
|
if (PJSIP_URI_SCHEME_IS_SIPS(&record_route->name_addr)) {
|
|
return 1;
|
|
}
|
|
} else {
|
|
pjsip_contact_hdr *contact;
|
|
|
|
contact = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT, NULL);
|
|
ast_assert(contact != NULL);
|
|
if (PJSIP_URI_SCHEME_IS_SIPS(contact->uri)) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef pj_status_t (*create_dlg_uac)(pjsip_user_agent *ua, pjsip_rx_data *rdata,
|
|
const pj_str_t *contact, pjsip_dialog **p_dlg);
|
|
|
|
static pjsip_dialog *create_dialog_uas(const struct ast_sip_endpoint *endpoint,
|
|
pjsip_rx_data *rdata, pj_status_t *status, create_dlg_uac create_fun)
|
|
{
|
|
pjsip_dialog *dlg;
|
|
pj_str_t contact;
|
|
pjsip_transport_type_e type = rdata->tp_info.transport->key.type;
|
|
pjsip_tpselector selector = { .type = PJSIP_TPSELECTOR_NONE, };
|
|
pjsip_transport *transport;
|
|
pjsip_contact_hdr *contact_hdr;
|
|
|
|
ast_assert(status != NULL);
|
|
|
|
contact_hdr = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT, NULL);
|
|
if (!contact_hdr || ast_sip_set_tpselector_from_ep_or_uri(endpoint, pjsip_uri_get_uri(contact_hdr->uri),
|
|
&selector)) {
|
|
return NULL;
|
|
}
|
|
|
|
transport = rdata->tp_info.transport;
|
|
if (selector.type == PJSIP_TPSELECTOR_TRANSPORT) {
|
|
transport = selector.u.transport;
|
|
}
|
|
type = transport->key.type;
|
|
|
|
contact.ptr = pj_pool_alloc(rdata->tp_info.pool, PJSIP_MAX_URL_SIZE);
|
|
contact.slen = pj_ansi_snprintf(contact.ptr, PJSIP_MAX_URL_SIZE,
|
|
"<%s:%s%s%s%.*s%s:%d%s%s>",
|
|
uas_use_sips_contact(rdata) ? "sips" : "sip",
|
|
(type & PJSIP_TRANSPORT_IPV6) ? "[" : "",
|
|
S_OR(endpoint->contact_user, ""),
|
|
(!ast_strlen_zero(endpoint->contact_user)) ? "@" : "",
|
|
(int)transport->local_name.host.slen,
|
|
transport->local_name.host.ptr,
|
|
(type & PJSIP_TRANSPORT_IPV6) ? "]" : "",
|
|
transport->local_name.port,
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? ";transport=" : "",
|
|
(type != PJSIP_TRANSPORT_UDP && type != PJSIP_TRANSPORT_UDP6) ? pjsip_transport_get_type_name(type) : "");
|
|
|
|
*status = create_fun(pjsip_ua_instance(), rdata, &contact, &dlg);
|
|
if (*status != PJ_SUCCESS) {
|
|
char err[PJ_ERR_MSG_SIZE];
|
|
|
|
pj_strerror(*status, err, sizeof(err));
|
|
ast_log(LOG_ERROR, "Could not create dialog with endpoint %s. %s\n",
|
|
ast_sorcery_object_get_id(endpoint), err);
|
|
ast_sip_tpselector_unref(&selector);
|
|
return NULL;
|
|
}
|
|
|
|
dlg->sess_count++;
|
|
pjsip_dlg_set_transport(dlg, &selector);
|
|
dlg->sess_count--;
|
|
|
|
ast_sip_tpselector_unref(&selector);
|
|
|
|
return dlg;
|
|
}
|
|
|
|
pjsip_dialog *ast_sip_create_dialog_uas(const struct ast_sip_endpoint *endpoint, pjsip_rx_data *rdata, pj_status_t *status)
|
|
{
|
|
#ifdef HAVE_PJSIP_DLG_CREATE_UAS_AND_INC_LOCK
|
|
pjsip_dialog *dlg;
|
|
|
|
dlg = create_dialog_uas(endpoint, rdata, status, pjsip_dlg_create_uas_and_inc_lock);
|
|
if (dlg) {
|
|
pjsip_dlg_dec_lock(dlg);
|
|
}
|
|
|
|
return dlg;
|
|
#else
|
|
return create_dialog_uas(endpoint, rdata, status, pjsip_dlg_create_uas);
|
|
#endif
|
|
}
|
|
|
|
pjsip_dialog *ast_sip_create_dialog_uas_locked(const struct ast_sip_endpoint *endpoint,
|
|
pjsip_rx_data *rdata, pj_status_t *status)
|
|
{
|
|
#ifdef HAVE_PJSIP_DLG_CREATE_UAS_AND_INC_LOCK
|
|
return create_dialog_uas(endpoint, rdata, status, pjsip_dlg_create_uas_and_inc_lock);
|
|
#else
|
|
/*
|
|
* This is put here in order to be compatible with older versions of pjproject.
|
|
* Best we can do in this case is immediately lock after getting the dialog.
|
|
* However, that does leave a "gap" between creating and locking.
|
|
*/
|
|
pjsip_dialog *dlg;
|
|
|
|
dlg = create_dialog_uas(endpoint, rdata, status, pjsip_dlg_create_uas);
|
|
if (dlg) {
|
|
pjsip_dlg_inc_lock(dlg);
|
|
}
|
|
|
|
return dlg;
|
|
#endif
|
|
}
|
|
|
|
int ast_sip_create_rdata_with_contact(pjsip_rx_data *rdata, char *packet, const char *src_name, int src_port,
|
|
char *transport_type, const char *local_name, int local_port, const char *contact)
|
|
{
|
|
pj_str_t tmp;
|
|
|
|
/*
|
|
* Initialize the error list in case there is a parse error
|
|
* in the given packet.
|
|
*/
|
|
pj_list_init(&rdata->msg_info.parse_err);
|
|
|
|
rdata->tp_info.transport = PJ_POOL_ZALLOC_T(rdata->tp_info.pool, pjsip_transport);
|
|
if (!rdata->tp_info.transport) {
|
|
return -1;
|
|
}
|
|
|
|
ast_copy_string(rdata->pkt_info.packet, packet, sizeof(rdata->pkt_info.packet));
|
|
ast_copy_string(rdata->pkt_info.src_name, src_name, sizeof(rdata->pkt_info.src_name));
|
|
rdata->pkt_info.src_port = src_port;
|
|
pj_sockaddr_parse(pj_AF_UNSPEC(), 0, pj_cstr(&tmp, src_name), &rdata->pkt_info.src_addr);
|
|
pj_sockaddr_set_port(&rdata->pkt_info.src_addr, src_port);
|
|
|
|
pjsip_parse_rdata(packet, strlen(packet), rdata);
|
|
if (!rdata->msg_info.msg || !pj_list_empty(&rdata->msg_info.parse_err)) {
|
|
return -1;
|
|
}
|
|
|
|
if (!ast_strlen_zero(contact)) {
|
|
pjsip_contact_hdr *contact_hdr;
|
|
|
|
contact_hdr = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT, NULL);
|
|
if (contact_hdr) {
|
|
contact_hdr->uri = pjsip_parse_uri(rdata->tp_info.pool, (char *)contact,
|
|
strlen(contact), PJSIP_PARSE_URI_AS_NAMEADDR);
|
|
if (!contact_hdr->uri) {
|
|
ast_log(LOG_WARNING, "Unable to parse contact URI from '%s'.\n", contact);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
pj_strdup2(rdata->tp_info.pool, &rdata->msg_info.via->recvd_param, rdata->pkt_info.src_name);
|
|
rdata->msg_info.via->rport_param = -1;
|
|
|
|
rdata->tp_info.transport->key.type = pjsip_transport_get_type_from_name(pj_cstr(&tmp, transport_type));
|
|
rdata->tp_info.transport->type_name = transport_type;
|
|
pj_strdup2(rdata->tp_info.pool, &rdata->tp_info.transport->local_name.host, local_name);
|
|
rdata->tp_info.transport->local_name.port = local_port;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_create_rdata(pjsip_rx_data *rdata, char *packet, const char *src_name, int src_port,
|
|
char *transport_type, const char *local_name, int local_port)
|
|
{
|
|
return ast_sip_create_rdata_with_contact(rdata, packet, src_name, src_port, transport_type,
|
|
local_name, local_port, NULL);
|
|
}
|
|
|
|
/* PJSIP doesn't know about the INFO method, so we have to define it ourselves */
|
|
static const pjsip_method info_method = {PJSIP_OTHER_METHOD, {"INFO", 4} };
|
|
static const pjsip_method message_method = {PJSIP_OTHER_METHOD, {"MESSAGE", 7} };
|
|
static const pjsip_method refer_method = {PJSIP_OTHER_METHOD, {"REFER", 5} };
|
|
|
|
static struct {
|
|
const char *method;
|
|
const pjsip_method *pmethod;
|
|
} methods [] = {
|
|
{ "INVITE", &pjsip_invite_method },
|
|
{ "CANCEL", &pjsip_cancel_method },
|
|
{ "ACK", &pjsip_ack_method },
|
|
{ "BYE", &pjsip_bye_method },
|
|
{ "REGISTER", &pjsip_register_method },
|
|
{ "OPTIONS", &pjsip_options_method },
|
|
{ "SUBSCRIBE", &pjsip_subscribe_method },
|
|
{ "NOTIFY", &pjsip_notify_method },
|
|
{ "PUBLISH", &pjsip_publish_method },
|
|
{ "INFO", &info_method },
|
|
{ "MESSAGE", &message_method },
|
|
{ "REFER", &refer_method },
|
|
};
|
|
|
|
static const pjsip_method *get_pjsip_method(const char *method)
|
|
{
|
|
int i;
|
|
for (i = 0; i < ARRAY_LEN(methods); ++i) {
|
|
if (!strcmp(method, methods[i].method)) {
|
|
return methods[i].pmethod;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int create_in_dialog_request(const pjsip_method *method, struct pjsip_dialog *dlg, pjsip_tx_data **tdata)
|
|
{
|
|
if (pjsip_dlg_create_request(dlg, method, -1, tdata) != PJ_SUCCESS) {
|
|
ast_log(LOG_WARNING, "Unable to create in-dialog request.\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static pj_bool_t supplement_on_rx_request(pjsip_rx_data *rdata);
|
|
static pjsip_module supplement_module = {
|
|
.name = { "Out of dialog supplement hook", 29 },
|
|
.id = -1,
|
|
.priority = PJSIP_MOD_PRIORITY_APPLICATION - 1,
|
|
.on_rx_request = supplement_on_rx_request,
|
|
};
|
|
|
|
static int create_out_of_dialog_request(const pjsip_method *method, struct ast_sip_endpoint *endpoint,
|
|
const char *uri, struct ast_sip_contact *provided_contact, pjsip_tx_data **tdata)
|
|
{
|
|
RAII_VAR(struct ast_sip_contact *, contact, ao2_bump(provided_contact), ao2_cleanup);
|
|
pj_str_t remote_uri;
|
|
pj_str_t from;
|
|
pj_pool_t *pool;
|
|
pjsip_tpselector selector = { .type = PJSIP_TPSELECTOR_NONE, };
|
|
pjsip_uri *sip_uri;
|
|
const char *fromuser;
|
|
|
|
if (ast_strlen_zero(uri)) {
|
|
if (!endpoint && (!contact || ast_strlen_zero(contact->uri))) {
|
|
ast_log(LOG_ERROR, "An endpoint and/or uri must be specified\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!contact) {
|
|
contact = ast_sip_location_retrieve_contact_from_aor_list(endpoint->aors);
|
|
}
|
|
if (!contact || ast_strlen_zero(contact->uri)) {
|
|
ast_log(LOG_WARNING, "Unable to retrieve contact for endpoint %s\n",
|
|
ast_sorcery_object_get_id(endpoint));
|
|
return -1;
|
|
}
|
|
|
|
pj_cstr(&remote_uri, contact->uri);
|
|
} else {
|
|
pj_cstr(&remote_uri, uri);
|
|
}
|
|
|
|
pool = pjsip_endpt_create_pool(ast_sip_get_pjsip_endpoint(), "Outbound request", 256, 256);
|
|
|
|
if (!pool) {
|
|
ast_log(LOG_ERROR, "Unable to create PJLIB memory pool\n");
|
|
return -1;
|
|
}
|
|
|
|
sip_uri = pjsip_parse_uri(pool, remote_uri.ptr, remote_uri.slen, 0);
|
|
if (!sip_uri || (!PJSIP_URI_SCHEME_IS_SIP(sip_uri) && !PJSIP_URI_SCHEME_IS_SIPS(sip_uri))) {
|
|
ast_log(LOG_ERROR, "Unable to create outbound %.*s request to endpoint %s as URI '%s' is not valid\n",
|
|
(int) pj_strlen(&method->name), pj_strbuf(&method->name),
|
|
endpoint ? ast_sorcery_object_get_id(endpoint) : "<none>",
|
|
pj_strbuf(&remote_uri));
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
return -1;
|
|
}
|
|
|
|
ast_sip_set_tpselector_from_ep_or_uri(endpoint, pjsip_uri_get_uri(sip_uri), &selector);
|
|
|
|
fromuser = endpoint ? (!ast_strlen_zero(endpoint->fromuser) ? endpoint->fromuser : ast_sorcery_object_get_id(endpoint)) : NULL;
|
|
if (sip_dialog_create_from(pool, &from, fromuser,
|
|
endpoint ? endpoint->fromdomain : NULL, &remote_uri, &selector)) {
|
|
ast_log(LOG_ERROR, "Unable to create From header for %.*s request to endpoint %s\n",
|
|
(int) pj_strlen(&method->name), pj_strbuf(&method->name),
|
|
endpoint ? ast_sorcery_object_get_id(endpoint) : "<none>");
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
ast_sip_tpselector_unref(&selector);
|
|
return -1;
|
|
}
|
|
|
|
if (pjsip_endpt_create_request(ast_sip_get_pjsip_endpoint(), method, &remote_uri,
|
|
&from, &remote_uri, &from, NULL, -1, NULL, tdata) != PJ_SUCCESS) {
|
|
ast_log(LOG_ERROR, "Unable to create outbound %.*s request to endpoint %s\n",
|
|
(int) pj_strlen(&method->name), pj_strbuf(&method->name),
|
|
endpoint ? ast_sorcery_object_get_id(endpoint) : "<none>");
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
ast_sip_tpselector_unref(&selector);
|
|
return -1;
|
|
}
|
|
|
|
pjsip_tx_data_set_transport(*tdata, &selector);
|
|
|
|
ast_sip_tpselector_unref(&selector);
|
|
|
|
if (endpoint && !ast_strlen_zero(endpoint->contact_user)){
|
|
pjsip_contact_hdr *contact_hdr;
|
|
pjsip_sip_uri *contact_uri;
|
|
static const pj_str_t HCONTACT = { "Contact", 7 };
|
|
static const pj_str_t HCONTACTSHORT = { "m", 1 };
|
|
|
|
contact_hdr = pjsip_msg_find_hdr_by_names((*tdata)->msg, &HCONTACT, &HCONTACTSHORT, NULL);
|
|
if (contact_hdr) {
|
|
contact_uri = pjsip_uri_get_uri(contact_hdr->uri);
|
|
pj_strdup2((*tdata)->pool, &contact_uri->user, endpoint->contact_user);
|
|
}
|
|
}
|
|
|
|
/* Add the user=phone parameter if applicable */
|
|
ast_sip_add_usereqphone(endpoint, (*tdata)->pool, (*tdata)->msg->line.req.uri);
|
|
|
|
/* If an outbound proxy is specified on the endpoint apply it to this request */
|
|
if (endpoint && !ast_strlen_zero(endpoint->outbound_proxy) &&
|
|
ast_sip_set_outbound_proxy((*tdata), endpoint->outbound_proxy)) {
|
|
ast_log(LOG_ERROR, "Unable to apply outbound proxy on request %.*s to endpoint %s as outbound proxy URI '%s' is not valid\n",
|
|
(int) pj_strlen(&method->name), pj_strbuf(&method->name), ast_sorcery_object_get_id(endpoint),
|
|
endpoint->outbound_proxy);
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
return -1;
|
|
}
|
|
|
|
ast_sip_mod_data_set((*tdata)->pool, (*tdata)->mod_data, supplement_module.id, MOD_DATA_CONTACT, ao2_bump(contact));
|
|
|
|
/* We can release this pool since request creation copied all the necessary
|
|
* data into the outbound request's pool
|
|
*/
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_create_request(const char *method, struct pjsip_dialog *dlg,
|
|
struct ast_sip_endpoint *endpoint, const char *uri,
|
|
struct ast_sip_contact *contact, pjsip_tx_data **tdata)
|
|
{
|
|
const pjsip_method *pmethod = get_pjsip_method(method);
|
|
|
|
if (!pmethod) {
|
|
ast_log(LOG_WARNING, "Unknown method '%s'. Cannot send request\n", method);
|
|
return -1;
|
|
}
|
|
|
|
if (dlg) {
|
|
return create_in_dialog_request(pmethod, dlg, tdata);
|
|
} else {
|
|
ast_assert(endpoint != NULL);
|
|
return create_out_of_dialog_request(pmethod, endpoint, uri, contact, tdata);
|
|
}
|
|
}
|
|
|
|
AST_RWLIST_HEAD_STATIC(supplements, ast_sip_supplement);
|
|
|
|
void ast_sip_register_supplement(struct ast_sip_supplement *supplement)
|
|
{
|
|
struct ast_sip_supplement *iter;
|
|
int inserted = 0;
|
|
SCOPED_LOCK(lock, &supplements, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
|
|
|
|
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&supplements, iter, next) {
|
|
if (iter->priority > supplement->priority) {
|
|
AST_RWLIST_INSERT_BEFORE_CURRENT(supplement, next);
|
|
inserted = 1;
|
|
break;
|
|
}
|
|
}
|
|
AST_RWLIST_TRAVERSE_SAFE_END;
|
|
|
|
if (!inserted) {
|
|
AST_RWLIST_INSERT_TAIL(&supplements, supplement, next);
|
|
}
|
|
}
|
|
|
|
void ast_sip_unregister_supplement(struct ast_sip_supplement *supplement)
|
|
{
|
|
struct ast_sip_supplement *iter;
|
|
SCOPED_LOCK(lock, &supplements, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
|
|
|
|
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&supplements, iter, next) {
|
|
if (supplement == iter) {
|
|
AST_RWLIST_REMOVE_CURRENT(next);
|
|
break;
|
|
}
|
|
}
|
|
AST_RWLIST_TRAVERSE_SAFE_END;
|
|
}
|
|
|
|
static int send_in_dialog_request(pjsip_tx_data *tdata, struct pjsip_dialog *dlg)
|
|
{
|
|
if (pjsip_dlg_send_request(dlg, tdata, -1, NULL) != PJ_SUCCESS) {
|
|
ast_log(LOG_WARNING, "Unable to send in-dialog request.\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static pj_bool_t does_method_match(const pj_str_t *message_method, const char *supplement_method)
|
|
{
|
|
pj_str_t method;
|
|
|
|
if (ast_strlen_zero(supplement_method)) {
|
|
return PJ_TRUE;
|
|
}
|
|
|
|
pj_cstr(&method, supplement_method);
|
|
|
|
return pj_stristr(&method, message_method) ? PJ_TRUE : PJ_FALSE;
|
|
}
|
|
|
|
#define TIMER_INACTIVE 0
|
|
#define TIMEOUT_TIMER2 5
|
|
|
|
/*! \brief Structure to hold information about an outbound request */
|
|
struct send_request_data {
|
|
/*! The endpoint associated with this request */
|
|
struct ast_sip_endpoint *endpoint;
|
|
/*! Information to be provided to the callback upon receipt of a response */
|
|
void *token;
|
|
/*! The callback to be called upon receipt of a response */
|
|
void (*callback)(void *token, pjsip_event *e);
|
|
/*! Number of challenges received. */
|
|
unsigned int challenge_count;
|
|
};
|
|
|
|
static void send_request_data_destroy(void *obj)
|
|
{
|
|
struct send_request_data *req_data = obj;
|
|
|
|
ao2_cleanup(req_data->endpoint);
|
|
}
|
|
|
|
static struct send_request_data *send_request_data_alloc(struct ast_sip_endpoint *endpoint,
|
|
void *token, void (*callback)(void *token, pjsip_event *e))
|
|
{
|
|
struct send_request_data *req_data;
|
|
|
|
req_data = ao2_alloc_options(sizeof(*req_data), send_request_data_destroy,
|
|
AO2_ALLOC_OPT_LOCK_NOLOCK);
|
|
if (!req_data) {
|
|
return NULL;
|
|
}
|
|
|
|
req_data->endpoint = ao2_bump(endpoint);
|
|
req_data->token = token;
|
|
req_data->callback = callback;
|
|
|
|
return req_data;
|
|
}
|
|
|
|
struct send_request_wrapper {
|
|
/*! Information to be provided to the callback upon receipt of a response */
|
|
void *token;
|
|
/*! The callback to be called upon receipt of a response */
|
|
void (*callback)(void *token, pjsip_event *e);
|
|
/*! Non-zero when the callback is called. */
|
|
unsigned int cb_called;
|
|
/*! Non-zero if endpt_send_request_cb() was called. */
|
|
unsigned int send_cb_called;
|
|
/*! Timeout timer. */
|
|
pj_timer_entry *timeout_timer;
|
|
/*! Original timeout. */
|
|
pj_int32_t timeout;
|
|
/*! The transmit data. */
|
|
pjsip_tx_data *tdata;
|
|
};
|
|
|
|
/*! \internal This function gets called by pjsip when the transaction ends,
|
|
* even if it timed out. The lock prevents a race condition if both the pjsip
|
|
* transaction timer and our own timer expire simultaneously.
|
|
*/
|
|
static void endpt_send_request_cb(void *token, pjsip_event *e)
|
|
{
|
|
struct send_request_wrapper *req_wrapper = token;
|
|
unsigned int cb_called;
|
|
|
|
/*
|
|
* Needed because we cannot otherwise tell if this callback was
|
|
* called when pjsip_endpt_send_request() returns error.
|
|
*/
|
|
req_wrapper->send_cb_called = 1;
|
|
|
|
if (e->body.tsx_state.type == PJSIP_EVENT_TIMER) {
|
|
ast_debug(2, "%p: PJSIP tsx timer expired\n", req_wrapper);
|
|
|
|
if (req_wrapper->timeout_timer
|
|
&& req_wrapper->timeout_timer->id != TIMEOUT_TIMER2) {
|
|
ast_debug(3, "%p: Timeout already handled\n", req_wrapper);
|
|
ao2_ref(req_wrapper, -1);
|
|
return;
|
|
}
|
|
} else {
|
|
ast_debug(2, "%p: PJSIP tsx response received\n", req_wrapper);
|
|
}
|
|
|
|
ao2_lock(req_wrapper);
|
|
|
|
/* It's possible that our own timer was already processing while
|
|
* we were waiting on the lock so check the timer id. If it's
|
|
* still TIMER2 then we still need to process.
|
|
*/
|
|
if (req_wrapper->timeout_timer
|
|
&& req_wrapper->timeout_timer->id == TIMEOUT_TIMER2) {
|
|
int timers_cancelled = 0;
|
|
|
|
ast_debug(3, "%p: Cancelling timer\n", req_wrapper);
|
|
|
|
timers_cancelled = pj_timer_heap_cancel_if_active(
|
|
pjsip_endpt_get_timer_heap(ast_sip_get_pjsip_endpoint()),
|
|
req_wrapper->timeout_timer, TIMER_INACTIVE);
|
|
if (timers_cancelled > 0) {
|
|
/* If the timer was cancelled the callback will never run so
|
|
* clean up its reference to the wrapper.
|
|
*/
|
|
ast_debug(3, "%p: Timer cancelled\n", req_wrapper);
|
|
ao2_ref(req_wrapper, -1);
|
|
} else {
|
|
/*
|
|
* If it wasn't cancelled, it MAY be in the callback already
|
|
* waiting on the lock. When we release the lock, it will
|
|
* now know not to proceed.
|
|
*/
|
|
ast_debug(3, "%p: Timer already expired\n", req_wrapper);
|
|
}
|
|
}
|
|
|
|
cb_called = req_wrapper->cb_called;
|
|
req_wrapper->cb_called = 1;
|
|
ao2_unlock(req_wrapper);
|
|
|
|
/* It's possible that our own timer expired and called the callbacks
|
|
* so no need to call them again.
|
|
*/
|
|
if (!cb_called && req_wrapper->callback) {
|
|
req_wrapper->callback(req_wrapper->token, e);
|
|
ast_debug(2, "%p: Callbacks executed\n", req_wrapper);
|
|
}
|
|
|
|
ao2_ref(req_wrapper, -1);
|
|
}
|
|
|
|
/*! \internal This function gets called by our own timer when it expires.
|
|
* If the timer is cancelled however, the function does NOT get called.
|
|
* The lock prevents a race condition if both the pjsip transaction timer
|
|
* and our own timer expire simultaneously.
|
|
*/
|
|
static void send_request_timer_callback(pj_timer_heap_t *theap, pj_timer_entry *entry)
|
|
{
|
|
struct send_request_wrapper *req_wrapper = entry->user_data;
|
|
unsigned int cb_called;
|
|
|
|
ast_debug(2, "%p: Internal tsx timer expired after %d msec\n",
|
|
req_wrapper, req_wrapper->timeout);
|
|
|
|
ao2_lock(req_wrapper);
|
|
/*
|
|
* If the id is not TIMEOUT_TIMER2 then the timer was cancelled
|
|
* before we got the lock or it was already handled so just clean up.
|
|
*/
|
|
if (entry->id != TIMEOUT_TIMER2) {
|
|
ao2_unlock(req_wrapper);
|
|
ast_debug(3, "%p: Timeout already handled\n", req_wrapper);
|
|
ao2_ref(req_wrapper, -1);
|
|
return;
|
|
}
|
|
entry->id = TIMER_INACTIVE;
|
|
|
|
ast_debug(3, "%p: Timer handled here\n", req_wrapper);
|
|
|
|
cb_called = req_wrapper->cb_called;
|
|
req_wrapper->cb_called = 1;
|
|
ao2_unlock(req_wrapper);
|
|
|
|
if (!cb_called && req_wrapper->callback) {
|
|
pjsip_event event;
|
|
|
|
PJSIP_EVENT_INIT_TX_MSG(event, req_wrapper->tdata);
|
|
event.body.tsx_state.type = PJSIP_EVENT_TIMER;
|
|
|
|
req_wrapper->callback(req_wrapper->token, &event);
|
|
ast_debug(2, "%p: Callbacks executed\n", req_wrapper);
|
|
}
|
|
|
|
ao2_ref(req_wrapper, -1);
|
|
}
|
|
|
|
static void send_request_wrapper_destructor(void *obj)
|
|
{
|
|
struct send_request_wrapper *req_wrapper = obj;
|
|
|
|
pjsip_tx_data_dec_ref(req_wrapper->tdata);
|
|
ast_debug(2, "%p: wrapper destroyed\n", req_wrapper);
|
|
}
|
|
|
|
static pj_status_t endpt_send_request(struct ast_sip_endpoint *endpoint,
|
|
pjsip_tx_data *tdata, pj_int32_t timeout, void *token, pjsip_endpt_send_callback cb)
|
|
{
|
|
struct send_request_wrapper *req_wrapper;
|
|
pj_status_t ret_val;
|
|
pjsip_endpoint *endpt = ast_sip_get_pjsip_endpoint();
|
|
|
|
if (!cb && token) {
|
|
/* Silly. Without a callback we cannot do anything with token. */
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
return PJ_EINVAL;
|
|
}
|
|
|
|
/* Create wrapper to detect if the callback was actually called on an error. */
|
|
req_wrapper = ao2_alloc(sizeof(*req_wrapper), send_request_wrapper_destructor);
|
|
if (!req_wrapper) {
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
return PJ_ENOMEM;
|
|
}
|
|
|
|
ast_debug(2, "%p: Wrapper created\n", req_wrapper);
|
|
|
|
req_wrapper->token = token;
|
|
req_wrapper->callback = cb;
|
|
req_wrapper->timeout = timeout;
|
|
req_wrapper->timeout_timer = NULL;
|
|
req_wrapper->tdata = tdata;
|
|
/* Add a reference to tdata. The wrapper destructor cleans it up. */
|
|
pjsip_tx_data_add_ref(tdata);
|
|
|
|
if (timeout > 0) {
|
|
pj_time_val timeout_timer_val = { timeout / 1000, timeout % 1000 };
|
|
|
|
req_wrapper->timeout_timer = PJ_POOL_ALLOC_T(tdata->pool, pj_timer_entry);
|
|
|
|
ast_debug(2, "%p: Set timer to %d msec\n", req_wrapper, timeout);
|
|
|
|
pj_timer_entry_init(req_wrapper->timeout_timer, TIMEOUT_TIMER2,
|
|
req_wrapper, send_request_timer_callback);
|
|
|
|
/* We need to insure that the wrapper and tdata are available if/when the
|
|
* timer callback is executed.
|
|
*/
|
|
ao2_ref(req_wrapper, +1);
|
|
ret_val = pj_timer_heap_schedule(pjsip_endpt_get_timer_heap(endpt),
|
|
req_wrapper->timeout_timer, &timeout_timer_val);
|
|
if (ret_val != PJ_SUCCESS) {
|
|
ast_log(LOG_ERROR,
|
|
"Failed to set timer. Not sending %.*s request to endpoint %s.\n",
|
|
(int) pj_strlen(&tdata->msg->line.req.method.name),
|
|
pj_strbuf(&tdata->msg->line.req.method.name),
|
|
endpoint ? ast_sorcery_object_get_id(endpoint) : "<unknown>");
|
|
ao2_t_ref(req_wrapper, -2, "Drop timer and routine ref");
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
return ret_val;
|
|
}
|
|
}
|
|
|
|
/* We need to insure that the wrapper and tdata are available when the
|
|
* transaction callback is executed.
|
|
*/
|
|
ao2_ref(req_wrapper, +1);
|
|
ret_val = pjsip_endpt_send_request(endpt, tdata, -1, req_wrapper, endpt_send_request_cb);
|
|
if (ret_val != PJ_SUCCESS) {
|
|
char errmsg[PJ_ERR_MSG_SIZE];
|
|
|
|
if (!req_wrapper->send_cb_called) {
|
|
/* endpt_send_request_cb is not expected to ever be called now. */
|
|
ao2_ref(req_wrapper, -1);
|
|
}
|
|
|
|
/* Complain of failure to send the request. */
|
|
pj_strerror(ret_val, errmsg, sizeof(errmsg));
|
|
ast_log(LOG_ERROR, "Error %d '%s' sending %.*s request to endpoint %s\n",
|
|
(int) ret_val, errmsg, (int) pj_strlen(&tdata->msg->line.req.method.name),
|
|
pj_strbuf(&tdata->msg->line.req.method.name),
|
|
endpoint ? ast_sorcery_object_get_id(endpoint) : "<unknown>");
|
|
|
|
if (timeout > 0) {
|
|
int timers_cancelled;
|
|
|
|
ao2_lock(req_wrapper);
|
|
timers_cancelled = pj_timer_heap_cancel_if_active(
|
|
pjsip_endpt_get_timer_heap(endpt),
|
|
req_wrapper->timeout_timer, TIMER_INACTIVE);
|
|
if (timers_cancelled > 0) {
|
|
ao2_ref(req_wrapper, -1);
|
|
}
|
|
|
|
/* Was the callback called? */
|
|
if (req_wrapper->cb_called) {
|
|
/*
|
|
* Yes so we cannot report any error. The callback
|
|
* has already freed any resources associated with
|
|
* token.
|
|
*/
|
|
ret_val = PJ_SUCCESS;
|
|
} else {
|
|
/*
|
|
* No so we claim it is called so our caller can free
|
|
* any resources associated with token because of
|
|
* failure.
|
|
*/
|
|
req_wrapper->cb_called = 1;
|
|
}
|
|
ao2_unlock(req_wrapper);
|
|
} else if (req_wrapper->cb_called) {
|
|
/*
|
|
* We cannot report any error. The callback has
|
|
* already freed any resources associated with
|
|
* token.
|
|
*/
|
|
ret_val = PJ_SUCCESS;
|
|
}
|
|
}
|
|
|
|
ao2_ref(req_wrapper, -1);
|
|
return ret_val;
|
|
}
|
|
|
|
int ast_sip_failover_request(pjsip_tx_data *tdata)
|
|
{
|
|
pjsip_via_hdr *via;
|
|
|
|
if (!tdata || !tdata->dest_info.addr.count
|
|
|| (tdata->dest_info.cur_addr == tdata->dest_info.addr.count - 1)) {
|
|
/* No more addresses to try */
|
|
return 0;
|
|
}
|
|
|
|
/* Try next address */
|
|
++tdata->dest_info.cur_addr;
|
|
|
|
via = (pjsip_via_hdr*)pjsip_msg_find_hdr(tdata->msg, PJSIP_H_VIA, NULL);
|
|
via->branch_param.slen = 0;
|
|
|
|
pjsip_tx_data_invalidate_msg(tdata);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void send_request_cb(void *token, pjsip_event *e);
|
|
|
|
static int check_request_status(struct send_request_data *req_data, pjsip_event *e)
|
|
{
|
|
struct ast_sip_endpoint *endpoint;
|
|
pjsip_transaction *tsx;
|
|
pjsip_tx_data *tdata;
|
|
int res = 0;
|
|
|
|
if (!(endpoint = ao2_bump(req_data->endpoint))) {
|
|
return 0;
|
|
}
|
|
|
|
tsx = e->body.tsx_state.tsx;
|
|
|
|
switch (tsx->status_code) {
|
|
case 401:
|
|
case 407:
|
|
/* Resend the request with a challenge response if we are challenged. */
|
|
res = ++req_data->challenge_count < MAX_RX_CHALLENGES /* Not in a challenge loop */
|
|
&& !ast_sip_create_request_with_auth(&endpoint->outbound_auths,
|
|
e->body.tsx_state.src.rdata, tsx->last_tx, &tdata);
|
|
break;
|
|
case 408:
|
|
case 503:
|
|
if ((res = ast_sip_failover_request(tsx->last_tx))) {
|
|
tdata = tsx->last_tx;
|
|
/*
|
|
* Bump the ref since it will be on a new transaction and
|
|
* we don't want it to go away along with the old transaction.
|
|
*/
|
|
pjsip_tx_data_add_ref(tdata);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (res) {
|
|
res = endpt_send_request(endpoint, tdata, -1,
|
|
req_data, send_request_cb) == PJ_SUCCESS;
|
|
}
|
|
|
|
ao2_ref(endpoint, -1);
|
|
return res;
|
|
}
|
|
|
|
static void send_request_cb(void *token, pjsip_event *e)
|
|
{
|
|
struct send_request_data *req_data = token;
|
|
pjsip_rx_data *challenge;
|
|
struct ast_sip_supplement *supplement;
|
|
|
|
if (e->type == PJSIP_EVENT_TSX_STATE) {
|
|
switch(e->body.tsx_state.type) {
|
|
case PJSIP_EVENT_TRANSPORT_ERROR:
|
|
case PJSIP_EVENT_TIMER:
|
|
/*
|
|
* Check the request status on transport error or timeout. A transport
|
|
* error can occur when a TCP socket closes and that can be the result
|
|
* of a 503. Also we may need to failover on a timeout (408).
|
|
*/
|
|
if (check_request_status(req_data, e)) {
|
|
return;
|
|
}
|
|
break;
|
|
case PJSIP_EVENT_RX_MSG:
|
|
challenge = e->body.tsx_state.src.rdata;
|
|
|
|
/*
|
|
* Call any supplements that want to know about a response
|
|
* with any received data.
|
|
*/
|
|
AST_RWLIST_RDLOCK(&supplements);
|
|
AST_LIST_TRAVERSE(&supplements, supplement, next) {
|
|
if (supplement->incoming_response
|
|
&& does_method_match(&challenge->msg_info.cseq->method.name,
|
|
supplement->method)) {
|
|
supplement->incoming_response(req_data->endpoint, challenge);
|
|
}
|
|
}
|
|
AST_RWLIST_UNLOCK(&supplements);
|
|
|
|
if (check_request_status(req_data, e)) {
|
|
/*
|
|
* Request with challenge response or failover sent.
|
|
* Passed our req_data ref to the new request.
|
|
*/
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
ast_log(LOG_ERROR, "Unexpected PJSIP event %u\n", e->body.tsx_state.type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (req_data->callback) {
|
|
req_data->callback(req_data->token, e);
|
|
}
|
|
ao2_ref(req_data, -1);
|
|
}
|
|
|
|
int ast_sip_send_out_of_dialog_request(pjsip_tx_data *tdata,
|
|
struct ast_sip_endpoint *endpoint, int timeout, void *token,
|
|
void (*callback)(void *token, pjsip_event *e))
|
|
{
|
|
struct ast_sip_supplement *supplement;
|
|
struct send_request_data *req_data;
|
|
struct ast_sip_contact *contact;
|
|
|
|
req_data = send_request_data_alloc(endpoint, token, callback);
|
|
if (!req_data) {
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
return -1;
|
|
}
|
|
|
|
if (endpoint) {
|
|
ast_sip_message_apply_transport(endpoint->transport, tdata);
|
|
}
|
|
|
|
contact = ast_sip_mod_data_get(tdata->mod_data, supplement_module.id, MOD_DATA_CONTACT);
|
|
|
|
AST_RWLIST_RDLOCK(&supplements);
|
|
AST_LIST_TRAVERSE(&supplements, supplement, next) {
|
|
if (supplement->outgoing_request
|
|
&& does_method_match(&tdata->msg->line.req.method.name, supplement->method)) {
|
|
supplement->outgoing_request(endpoint, contact, tdata);
|
|
}
|
|
}
|
|
AST_RWLIST_UNLOCK(&supplements);
|
|
|
|
ast_sip_mod_data_set(tdata->pool, tdata->mod_data, supplement_module.id, MOD_DATA_CONTACT, NULL);
|
|
ao2_cleanup(contact);
|
|
|
|
if (endpt_send_request(endpoint, tdata, timeout, req_data, send_request_cb)
|
|
!= PJ_SUCCESS) {
|
|
ao2_cleanup(req_data);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_send_request(pjsip_tx_data *tdata, struct pjsip_dialog *dlg,
|
|
struct ast_sip_endpoint *endpoint, void *token,
|
|
void (*callback)(void *token, pjsip_event *e))
|
|
{
|
|
ast_assert(tdata->msg->type == PJSIP_REQUEST_MSG);
|
|
|
|
if (dlg) {
|
|
return send_in_dialog_request(tdata, dlg);
|
|
} else {
|
|
return ast_sip_send_out_of_dialog_request(tdata, endpoint, -1, token, callback);
|
|
}
|
|
}
|
|
|
|
int ast_sip_set_outbound_proxy(pjsip_tx_data *tdata, const char *proxy)
|
|
{
|
|
pjsip_route_hdr *route;
|
|
static const pj_str_t ROUTE_HNAME = { "Route", 5 };
|
|
pj_str_t tmp;
|
|
|
|
pj_strdup2_with_null(tdata->pool, &tmp, proxy);
|
|
if (!(route = pjsip_parse_hdr(tdata->pool, &ROUTE_HNAME, tmp.ptr, tmp.slen, NULL))) {
|
|
return -1;
|
|
}
|
|
|
|
pj_list_insert_nodes_before(&tdata->msg->hdr, (pjsip_hdr*)route);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_add_header(pjsip_tx_data *tdata, const char *name, const char *value)
|
|
{
|
|
pj_str_t hdr_name;
|
|
pj_str_t hdr_value;
|
|
pjsip_generic_string_hdr *hdr;
|
|
|
|
pj_cstr(&hdr_name, name);
|
|
pj_cstr(&hdr_value, value);
|
|
|
|
hdr = pjsip_generic_string_hdr_create(tdata->pool, &hdr_name, &hdr_value);
|
|
|
|
pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *) hdr);
|
|
return 0;
|
|
}
|
|
|
|
pjsip_generic_string_hdr *ast_sip_add_header2(pjsip_tx_data *tdata,
|
|
const char *name, const char *value)
|
|
{
|
|
pj_str_t hdr_name;
|
|
pj_str_t hdr_value;
|
|
pjsip_generic_string_hdr *hdr;
|
|
|
|
pj_cstr(&hdr_name, name);
|
|
pj_cstr(&hdr_value, value);
|
|
|
|
hdr = pjsip_generic_string_hdr_create(tdata->pool, &hdr_name, &hdr_value);
|
|
|
|
pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *) hdr);
|
|
return hdr;
|
|
}
|
|
|
|
static pjsip_msg_body *ast_body_to_pjsip_body(pj_pool_t *pool, const struct ast_sip_body *body)
|
|
{
|
|
pj_str_t type;
|
|
pj_str_t subtype;
|
|
pj_str_t body_text;
|
|
|
|
pj_cstr(&type, body->type);
|
|
pj_cstr(&subtype, body->subtype);
|
|
pj_cstr(&body_text, body->body_text);
|
|
|
|
return pjsip_msg_body_create(pool, &type, &subtype, &body_text);
|
|
}
|
|
|
|
int ast_sip_add_body(pjsip_tx_data *tdata, const struct ast_sip_body *body)
|
|
{
|
|
pjsip_msg_body *pjsip_body = ast_body_to_pjsip_body(tdata->pool, body);
|
|
tdata->msg->body = pjsip_body;
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_add_body_multipart(pjsip_tx_data *tdata, const struct ast_sip_body *bodies[], int num_bodies)
|
|
{
|
|
int i;
|
|
/* NULL for type and subtype automatically creates "multipart/mixed" */
|
|
pjsip_msg_body *body = pjsip_multipart_create(tdata->pool, NULL, NULL);
|
|
|
|
for (i = 0; i < num_bodies; ++i) {
|
|
pjsip_multipart_part *part = pjsip_multipart_create_part(tdata->pool);
|
|
part->body = ast_body_to_pjsip_body(tdata->pool, bodies[i]);
|
|
pjsip_multipart_add_part(tdata->pool, body, part);
|
|
}
|
|
|
|
tdata->msg->body = body;
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_append_body(pjsip_tx_data *tdata, const char *body_text)
|
|
{
|
|
size_t combined_size = strlen(body_text) + tdata->msg->body->len;
|
|
struct ast_str *body_buffer = ast_str_alloca(combined_size);
|
|
|
|
ast_str_set(&body_buffer, 0, "%.*s%s", (int) tdata->msg->body->len, (char *) tdata->msg->body->data, body_text);
|
|
|
|
tdata->msg->body->data = pj_pool_alloc(tdata->pool, combined_size);
|
|
pj_memcpy(tdata->msg->body->data, ast_str_buffer(body_buffer), combined_size);
|
|
tdata->msg->body->len = combined_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct ast_taskprocessor *ast_sip_create_serializer_group(const char *name, struct ast_serializer_shutdown_group *shutdown_group)
|
|
{
|
|
return ast_threadpool_serializer_group(name, sip_threadpool, shutdown_group);
|
|
}
|
|
|
|
struct ast_taskprocessor *ast_sip_create_serializer(const char *name)
|
|
{
|
|
return ast_sip_create_serializer_group(name, NULL);
|
|
}
|
|
|
|
int ast_sip_push_task(struct ast_taskprocessor *serializer, int (*sip_task)(void *), void *task_data)
|
|
{
|
|
if (!serializer) {
|
|
serializer = ast_serializer_pool_get(sip_serializer_pool);
|
|
}
|
|
|
|
return ast_taskprocessor_push(serializer, sip_task, task_data);
|
|
}
|
|
|
|
struct sync_task_data {
|
|
ast_mutex_t lock;
|
|
ast_cond_t cond;
|
|
int complete;
|
|
int fail;
|
|
int (*task)(void *);
|
|
void *task_data;
|
|
};
|
|
|
|
static int sync_task(void *data)
|
|
{
|
|
struct sync_task_data *std = data;
|
|
int ret;
|
|
|
|
std->fail = std->task(std->task_data);
|
|
|
|
/*
|
|
* Once we unlock std->lock after signaling, we cannot access
|
|
* std again. The thread waiting within ast_sip_push_task_wait()
|
|
* is free to continue and release its local variable (std).
|
|
*/
|
|
ast_mutex_lock(&std->lock);
|
|
std->complete = 1;
|
|
ast_cond_signal(&std->cond);
|
|
ret = std->fail;
|
|
ast_mutex_unlock(&std->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int ast_sip_push_task_wait(struct ast_taskprocessor *serializer, int (*sip_task)(void *), void *task_data)
|
|
{
|
|
/* This method is an onion */
|
|
struct sync_task_data std;
|
|
|
|
memset(&std, 0, sizeof(std));
|
|
ast_mutex_init(&std.lock);
|
|
ast_cond_init(&std.cond, NULL);
|
|
std.task = sip_task;
|
|
std.task_data = task_data;
|
|
|
|
if (ast_sip_push_task(serializer, sync_task, &std)) {
|
|
ast_mutex_destroy(&std.lock);
|
|
ast_cond_destroy(&std.cond);
|
|
return -1;
|
|
}
|
|
|
|
ast_mutex_lock(&std.lock);
|
|
while (!std.complete) {
|
|
ast_cond_wait(&std.cond, &std.lock);
|
|
}
|
|
ast_mutex_unlock(&std.lock);
|
|
|
|
ast_mutex_destroy(&std.lock);
|
|
ast_cond_destroy(&std.cond);
|
|
return std.fail;
|
|
}
|
|
|
|
int ast_sip_push_task_wait_servant(struct ast_taskprocessor *serializer, int (*sip_task)(void *), void *task_data)
|
|
{
|
|
if (ast_sip_thread_is_servant()) {
|
|
return sip_task(task_data);
|
|
}
|
|
|
|
return ast_sip_push_task_wait(serializer, sip_task, task_data);
|
|
}
|
|
|
|
int ast_sip_push_task_synchronous(struct ast_taskprocessor *serializer, int (*sip_task)(void *), void *task_data)
|
|
{
|
|
return ast_sip_push_task_wait_servant(serializer, sip_task, task_data);
|
|
}
|
|
|
|
int ast_sip_push_task_wait_serializer(struct ast_taskprocessor *serializer, int (*sip_task)(void *), void *task_data)
|
|
{
|
|
if (!serializer) {
|
|
/* Caller doesn't care which PJSIP serializer the task executes under. */
|
|
serializer = ast_serializer_pool_get(sip_serializer_pool);
|
|
if (!serializer) {
|
|
/* No serializer picked to execute the task */
|
|
return -1;
|
|
}
|
|
}
|
|
if (ast_taskprocessor_is_task(serializer)) {
|
|
/*
|
|
* We are the requested serializer so we must execute
|
|
* the task now or deadlock waiting on ourself to
|
|
* execute it.
|
|
*/
|
|
return sip_task(task_data);
|
|
}
|
|
|
|
return ast_sip_push_task_wait(serializer, sip_task, task_data);
|
|
}
|
|
|
|
void ast_copy_pj_str(char *dest, const pj_str_t *src, size_t size)
|
|
{
|
|
size_t chars_to_copy = MIN(size - 1, pj_strlen(src));
|
|
memcpy(dest, pj_strbuf(src), chars_to_copy);
|
|
dest[chars_to_copy] = '\0';
|
|
}
|
|
|
|
int ast_copy_pj_str2(char **dest, const pj_str_t *src)
|
|
{
|
|
int res = ast_asprintf(dest, "%.*s", (int)pj_strlen(src), pj_strbuf(src));
|
|
|
|
if (res < 0) {
|
|
*dest = NULL;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
int ast_sip_are_media_types_equal(pjsip_media_type *a, pjsip_media_type *b)
|
|
{
|
|
int rc = 0;
|
|
if (a != NULL && b != NULL) {
|
|
rc = pjsip_media_type_cmp(a, b, 0) ? 0 : 1;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
int ast_sip_is_media_type_in(pjsip_media_type *a, ...)
|
|
{
|
|
int rc = 0;
|
|
pjsip_media_type *b = NULL;
|
|
va_list ap;
|
|
|
|
ast_assert(a != NULL);
|
|
va_start(ap, a);
|
|
|
|
while ((b = va_arg(ap, pjsip_media_type *)) != (pjsip_media_type *)SENTINEL) {
|
|
if (pjsip_media_type_cmp(a, b, 0) == 0) {
|
|
rc = 1;
|
|
break;
|
|
}
|
|
}
|
|
va_end(ap);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int ast_sip_is_content_type(pjsip_media_type *content_type, char *type, char *subtype)
|
|
{
|
|
pjsip_media_type compare;
|
|
|
|
if (!content_type) {
|
|
return 0;
|
|
}
|
|
|
|
pjsip_media_type_init2(&compare, type, subtype);
|
|
|
|
return pjsip_media_type_cmp(content_type, &compare, 0) ? 0 : -1;
|
|
}
|
|
|
|
pj_caching_pool caching_pool;
|
|
pj_pool_t *memory_pool;
|
|
pj_thread_t *monitor_thread;
|
|
static int monitor_continue;
|
|
|
|
static void *monitor_thread_exec(void *endpt)
|
|
{
|
|
while (monitor_continue) {
|
|
const pj_time_val delay = {0, 10};
|
|
pjsip_endpt_handle_events(ast_pjsip_endpoint, &delay);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void stop_monitor_thread(void)
|
|
{
|
|
monitor_continue = 0;
|
|
pj_thread_join(monitor_thread);
|
|
}
|
|
|
|
AST_THREADSTORAGE(pj_thread_storage);
|
|
AST_THREADSTORAGE(servant_id_storage);
|
|
#define SIP_SERVANT_ID 0x5E2F1D
|
|
|
|
static void sip_thread_start(void)
|
|
{
|
|
pj_thread_desc *desc;
|
|
pj_thread_t *thread;
|
|
uint32_t *servant_id;
|
|
|
|
servant_id = ast_threadstorage_get(&servant_id_storage, sizeof(*servant_id));
|
|
if (!servant_id) {
|
|
ast_log(LOG_ERROR, "Could not set SIP servant ID in thread-local storage.\n");
|
|
return;
|
|
}
|
|
*servant_id = SIP_SERVANT_ID;
|
|
|
|
desc = ast_threadstorage_get(&pj_thread_storage, sizeof(pj_thread_desc));
|
|
if (!desc) {
|
|
ast_log(LOG_ERROR, "Could not get thread desc from thread-local storage. Expect awful things to occur\n");
|
|
return;
|
|
}
|
|
pj_bzero(*desc, sizeof(*desc));
|
|
|
|
if (pj_thread_register("Asterisk Thread", *desc, &thread) != PJ_SUCCESS) {
|
|
ast_log(LOG_ERROR, "Couldn't register thread with PJLIB.\n");
|
|
}
|
|
}
|
|
|
|
int ast_sip_thread_is_servant(void)
|
|
{
|
|
uint32_t *servant_id;
|
|
|
|
if (monitor_thread &&
|
|
pthread_self() == *(pthread_t *)pj_thread_get_os_handle(monitor_thread)) {
|
|
return 1;
|
|
}
|
|
|
|
servant_id = ast_threadstorage_get(&servant_id_storage, sizeof(*servant_id));
|
|
if (!servant_id) {
|
|
return 0;
|
|
}
|
|
|
|
return *servant_id == SIP_SERVANT_ID;
|
|
}
|
|
|
|
void *ast_sip_dict_get(void *ht, const char *key)
|
|
{
|
|
unsigned int hval = 0;
|
|
|
|
if (!ht) {
|
|
return NULL;
|
|
}
|
|
|
|
return pj_hash_get(ht, key, PJ_HASH_KEY_STRING, &hval);
|
|
}
|
|
|
|
void *ast_sip_dict_set(pj_pool_t* pool, void *ht,
|
|
const char *key, void *val)
|
|
{
|
|
if (!ht) {
|
|
ht = pj_hash_create(pool, 11);
|
|
}
|
|
|
|
pj_hash_set(pool, ht, key, PJ_HASH_KEY_STRING, 0, val);
|
|
|
|
return ht;
|
|
}
|
|
|
|
static pj_bool_t supplement_on_rx_request(pjsip_rx_data *rdata)
|
|
{
|
|
struct ast_sip_supplement *supplement;
|
|
|
|
if (pjsip_rdata_get_dlg(rdata)) {
|
|
return PJ_FALSE;
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&supplements);
|
|
AST_LIST_TRAVERSE(&supplements, supplement, next) {
|
|
if (supplement->incoming_request
|
|
&& does_method_match(&rdata->msg_info.msg->line.req.method.name, supplement->method)) {
|
|
struct ast_sip_endpoint *endpoint;
|
|
|
|
endpoint = ast_pjsip_rdata_get_endpoint(rdata);
|
|
supplement->incoming_request(endpoint, rdata);
|
|
ao2_cleanup(endpoint);
|
|
}
|
|
}
|
|
AST_RWLIST_UNLOCK(&supplements);
|
|
|
|
return PJ_FALSE;
|
|
}
|
|
|
|
static void supplement_outgoing_response(pjsip_tx_data *tdata, struct ast_sip_endpoint *sip_endpoint)
|
|
{
|
|
struct ast_sip_supplement *supplement;
|
|
pjsip_cseq_hdr *cseq = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
|
|
struct ast_sip_contact *contact = ast_sip_mod_data_get(tdata->mod_data, supplement_module.id, MOD_DATA_CONTACT);
|
|
|
|
if (sip_endpoint) {
|
|
ast_sip_message_apply_transport(sip_endpoint->transport, tdata);
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&supplements);
|
|
AST_LIST_TRAVERSE(&supplements, supplement, next) {
|
|
if (supplement->outgoing_response && does_method_match(&cseq->method.name, supplement->method)) {
|
|
supplement->outgoing_response(sip_endpoint, contact, tdata);
|
|
}
|
|
}
|
|
AST_RWLIST_UNLOCK(&supplements);
|
|
|
|
ast_sip_mod_data_set(tdata->pool, tdata->mod_data, supplement_module.id, MOD_DATA_CONTACT, NULL);
|
|
ao2_cleanup(contact);
|
|
}
|
|
|
|
int ast_sip_send_response(pjsip_response_addr *res_addr, pjsip_tx_data *tdata, struct ast_sip_endpoint *sip_endpoint)
|
|
{
|
|
pj_status_t status;
|
|
|
|
supplement_outgoing_response(tdata, sip_endpoint);
|
|
status = pjsip_endpt_send_response(ast_sip_get_pjsip_endpoint(), res_addr, tdata, NULL, NULL);
|
|
if (status != PJ_SUCCESS) {
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
}
|
|
|
|
return status == PJ_SUCCESS ? 0 : -1;
|
|
}
|
|
|
|
static void pool_destroy_callback(void *arg)
|
|
{
|
|
pj_pool_t *pool = (pj_pool_t *)arg;
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
}
|
|
|
|
static void clean_contact_from_tdata(pjsip_tx_data *tdata)
|
|
{
|
|
struct ast_sip_contact *contact;
|
|
contact = ast_sip_mod_data_get(tdata->mod_data, supplement_module.id, MOD_DATA_CONTACT);
|
|
ao2_cleanup(contact);
|
|
ast_sip_mod_data_set(tdata->pool, tdata->mod_data, supplement_module.id, MOD_DATA_CONTACT, NULL);
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
}
|
|
|
|
int ast_sip_send_stateful_response(pjsip_rx_data *rdata, pjsip_tx_data *tdata, struct ast_sip_endpoint *sip_endpoint)
|
|
{
|
|
pjsip_transaction *tsx;
|
|
pj_grp_lock_t *tsx_glock;
|
|
pj_pool_t *pool;
|
|
|
|
/* Create and initialize global lock pool */
|
|
pool = pjsip_endpt_create_pool(ast_sip_get_pjsip_endpoint(), "stateful response", PJSIP_POOL_TSX_LEN, PJSIP_POOL_TSX_INC);
|
|
if (!pool){
|
|
/* ast_sip_create_response bumps the refcount of the contact and adds it to the tdata.
|
|
* We'll leak that reference if we don't get rid of it here.
|
|
*/
|
|
clean_contact_from_tdata(tdata);
|
|
return -1;
|
|
}
|
|
/* Create with handler so that we can release the pool once the glock derefs out */
|
|
if(pj_grp_lock_create_w_handler(pool, NULL, pool, &pool_destroy_callback, &tsx_glock) != PJ_SUCCESS) {
|
|
clean_contact_from_tdata(tdata);
|
|
pool_destroy_callback((void *) pool);
|
|
return -1;
|
|
}
|
|
/* We need an additional reference as the qualify thread may destroy this out
|
|
* from under us. Add it now before it gets added to the tsx. */
|
|
pj_grp_lock_add_ref(tsx_glock);
|
|
|
|
if (pjsip_tsx_create_uas2(NULL, rdata, tsx_glock, &tsx) != PJ_SUCCESS) {
|
|
clean_contact_from_tdata(tdata);
|
|
pj_grp_lock_dec_ref(tsx_glock);
|
|
return -1;
|
|
}
|
|
|
|
pjsip_tsx_recv_msg(tsx, rdata);
|
|
supplement_outgoing_response(tdata, sip_endpoint);
|
|
|
|
if (pjsip_tsx_send_msg(tsx, tdata) != PJ_SUCCESS) {
|
|
pj_grp_lock_dec_ref(tsx_glock);
|
|
pjsip_tx_data_dec_ref(tdata);
|
|
return -1;
|
|
}
|
|
|
|
pj_grp_lock_dec_ref(tsx_glock);
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_create_response(const pjsip_rx_data *rdata, int st_code,
|
|
struct ast_sip_contact *contact, pjsip_tx_data **tdata)
|
|
{
|
|
int res = pjsip_endpt_create_response(ast_sip_get_pjsip_endpoint(), rdata, st_code, NULL, tdata);
|
|
|
|
if (!res) {
|
|
ast_sip_mod_data_set((*tdata)->pool, (*tdata)->mod_data, supplement_module.id, MOD_DATA_CONTACT, ao2_bump(contact));
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
int ast_sip_get_host_ip(int af, pj_sockaddr *addr)
|
|
{
|
|
if (af == pj_AF_INET() && !ast_strlen_zero(host_ip_ipv4_string)) {
|
|
pj_sockaddr_copy_addr(addr, &host_ip_ipv4);
|
|
return 0;
|
|
} else if (af == pj_AF_INET6() && !ast_strlen_zero(host_ip_ipv6_string)) {
|
|
pj_sockaddr_copy_addr(addr, &host_ip_ipv6);
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
const char *ast_sip_get_host_ip_string(int af)
|
|
{
|
|
if (af == pj_AF_INET()) {
|
|
return host_ip_ipv4_string;
|
|
} else if (af == pj_AF_INET6()) {
|
|
return host_ip_ipv6_string;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int ast_sip_dtmf_to_str(const enum ast_sip_dtmf_mode dtmf,
|
|
char *buf, size_t buf_len)
|
|
{
|
|
switch (dtmf) {
|
|
case AST_SIP_DTMF_NONE:
|
|
ast_copy_string(buf, "none", buf_len);
|
|
break;
|
|
case AST_SIP_DTMF_RFC_4733:
|
|
ast_copy_string(buf, "rfc4733", buf_len);
|
|
break;
|
|
case AST_SIP_DTMF_INBAND:
|
|
ast_copy_string(buf, "inband", buf_len);
|
|
break;
|
|
case AST_SIP_DTMF_INFO:
|
|
ast_copy_string(buf, "info", buf_len);
|
|
break;
|
|
case AST_SIP_DTMF_AUTO:
|
|
ast_copy_string(buf, "auto", buf_len);
|
|
break;
|
|
case AST_SIP_DTMF_AUTO_INFO:
|
|
ast_copy_string(buf, "auto_info", buf_len);
|
|
break;
|
|
default:
|
|
buf[0] = '\0';
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_str_to_dtmf(const char * dtmf_mode)
|
|
{
|
|
int result = -1;
|
|
|
|
if (!strcasecmp(dtmf_mode, "info")) {
|
|
result = AST_SIP_DTMF_INFO;
|
|
} else if (!strcasecmp(dtmf_mode, "rfc4733")) {
|
|
result = AST_SIP_DTMF_RFC_4733;
|
|
} else if (!strcasecmp(dtmf_mode, "inband")) {
|
|
result = AST_SIP_DTMF_INBAND;
|
|
} else if (!strcasecmp(dtmf_mode, "none")) {
|
|
result = AST_SIP_DTMF_NONE;
|
|
} else if (!strcasecmp(dtmf_mode, "auto")) {
|
|
result = AST_SIP_DTMF_AUTO;
|
|
} else if (!strcasecmp(dtmf_mode, "auto_info")) {
|
|
result = AST_SIP_DTMF_AUTO_INFO;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
const char *ast_sip_call_codec_pref_to_str(struct ast_flags pref)
|
|
{
|
|
const char *value;
|
|
|
|
if (ast_sip_call_codec_pref_test(pref, LOCAL) && ast_sip_call_codec_pref_test(pref, INTERSECT) && ast_sip_call_codec_pref_test(pref, ALL)) {
|
|
value = "local";
|
|
} else if (ast_sip_call_codec_pref_test(pref, LOCAL) && ast_sip_call_codec_pref_test(pref, UNION) && ast_sip_call_codec_pref_test(pref, ALL)) {
|
|
value = "local_merge";
|
|
} else if (ast_sip_call_codec_pref_test(pref, LOCAL) && ast_sip_call_codec_pref_test(pref, INTERSECT) && ast_sip_call_codec_pref_test(pref, FIRST)) {
|
|
value = "local_first";
|
|
} else if (ast_sip_call_codec_pref_test(pref, REMOTE) && ast_sip_call_codec_pref_test(pref, INTERSECT) && ast_sip_call_codec_pref_test(pref, ALL)) {
|
|
value = "remote";
|
|
} else if (ast_sip_call_codec_pref_test(pref, REMOTE) && ast_sip_call_codec_pref_test(pref, UNION) && ast_sip_call_codec_pref_test(pref, ALL)) {
|
|
value = "remote_merge";
|
|
} else if (ast_sip_call_codec_pref_test(pref, REMOTE) && ast_sip_call_codec_pref_test(pref, UNION) && ast_sip_call_codec_pref_test(pref, FIRST)) {
|
|
value = "remote_first";
|
|
} else {
|
|
value = "unknown";
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
int ast_sip_call_codec_str_to_pref(struct ast_flags *pref, const char *pref_str, int is_outgoing)
|
|
{
|
|
pref->flags = 0;
|
|
|
|
if (strcmp(pref_str, "local") == 0) {
|
|
ast_set_flag(pref, AST_SIP_CALL_CODEC_PREF_LOCAL | AST_SIP_CALL_CODEC_PREF_INTERSECT | AST_SIP_CALL_CODEC_PREF_ALL);
|
|
} else if (is_outgoing && strcmp(pref_str, "local_merge") == 0) {
|
|
ast_set_flag(pref, AST_SIP_CALL_CODEC_PREF_LOCAL | AST_SIP_CALL_CODEC_PREF_UNION | AST_SIP_CALL_CODEC_PREF_ALL);
|
|
} else if (strcmp(pref_str, "local_first") == 0) {
|
|
ast_set_flag(pref, AST_SIP_CALL_CODEC_PREF_LOCAL | AST_SIP_CALL_CODEC_PREF_INTERSECT | AST_SIP_CALL_CODEC_PREF_FIRST);
|
|
} else if (strcmp(pref_str, "remote") == 0) {
|
|
ast_set_flag(pref, AST_SIP_CALL_CODEC_PREF_REMOTE | AST_SIP_CALL_CODEC_PREF_INTERSECT | AST_SIP_CALL_CODEC_PREF_ALL);
|
|
} else if (is_outgoing && strcmp(pref_str, "remote_merge") == 0) {
|
|
ast_set_flag(pref, AST_SIP_CALL_CODEC_PREF_REMOTE | AST_SIP_CALL_CODEC_PREF_UNION | AST_SIP_CALL_CODEC_PREF_ALL);
|
|
} else if (strcmp(pref_str, "remote_first") == 0) {
|
|
ast_set_flag(pref, AST_SIP_CALL_CODEC_PREF_REMOTE | AST_SIP_CALL_CODEC_PREF_UNION | AST_SIP_CALL_CODEC_PREF_FIRST);
|
|
} else {
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Set an ast_party_id name and number based on an identity header.
|
|
* \param hdr From, P-Asserted-Identity, or Remote-Party-ID header on incoming message
|
|
* \param[out] id The ID to set data on
|
|
*/
|
|
static void set_id_from_hdr(pjsip_fromto_hdr *hdr, struct ast_party_id *id)
|
|
{
|
|
char cid_name[AST_CHANNEL_NAME];
|
|
char cid_num[AST_CHANNEL_NAME];
|
|
size_t cid_name_size = AST_CHANNEL_NAME;
|
|
pjsip_name_addr *id_name_addr = (pjsip_name_addr *) hdr->uri;
|
|
char *semi;
|
|
enum ast_utf8_replace_result result;
|
|
|
|
ast_copy_pj_str(cid_num, ast_sip_pjsip_uri_get_username(hdr->uri), sizeof(cid_num));
|
|
/* Always truncate caller-id number at a semicolon. */
|
|
semi = strchr(cid_num, ';');
|
|
if (semi) {
|
|
/*
|
|
* We need to be able to handle URI's looking like
|
|
* "sip:1235557890;phone-context=national@x.x.x.x;user=phone"
|
|
*
|
|
* Where the uri->user field will result in:
|
|
* "1235557890;phone-context=national"
|
|
*
|
|
* People don't care about anything after the semicolon
|
|
* showing up on their displays even though the RFC
|
|
* allows the semicolon.
|
|
*/
|
|
*semi = '\0';
|
|
}
|
|
|
|
/*
|
|
* It's safe to pass a NULL or empty string as the source.
|
|
* The result will be an empty string assuming the destination
|
|
* size was at least 1.
|
|
*/
|
|
result = ast_utf8_replace_invalid_chars(cid_name, &cid_name_size,
|
|
id_name_addr->display.ptr, id_name_addr->display.slen);
|
|
|
|
if (result != AST_UTF8_REPLACE_VALID) {
|
|
ast_log(LOG_WARNING, "CallerID Name '" PJSTR_PRINTF_SPEC
|
|
"' for number '%s' has invalid UTF-8 characters which "
|
|
"were replaced",
|
|
PJSTR_PRINTF_VAR(id_name_addr->display), cid_num);
|
|
}
|
|
|
|
ast_free(id->name.str);
|
|
id->name.str = ast_strdup(cid_name);
|
|
if (!ast_strlen_zero(cid_name)) {
|
|
id->name.valid = 1;
|
|
}
|
|
ast_free(id->number.str);
|
|
id->number.str = ast_strdup(cid_num);
|
|
if (!ast_strlen_zero(cid_num)) {
|
|
id->number.valid = 1;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Get a P-Asserted-Identity or Remote-Party-ID header from an incoming message
|
|
*
|
|
* This function will parse the header as if it were a From header. This allows for us
|
|
* to easily manipulate the URI, as well as add, modify, or remove parameters from the
|
|
* header
|
|
*
|
|
* \param rdata The incoming message
|
|
* \param header_name The name of the ID header to find
|
|
* \retval NULL No ID header present or unable to parse ID header
|
|
* \retval non-NULL The parsed ID header
|
|
*/
|
|
static pjsip_fromto_hdr *get_id_header(pjsip_rx_data *rdata, const pj_str_t *header_name)
|
|
{
|
|
static const pj_str_t from = { "From", 4 };
|
|
pj_str_t header_content;
|
|
pjsip_fromto_hdr *parsed_hdr;
|
|
pjsip_generic_string_hdr *ident = pjsip_msg_find_hdr_by_name(rdata->msg_info.msg,
|
|
header_name, NULL);
|
|
int parsed_len;
|
|
|
|
if (!ident) {
|
|
return NULL;
|
|
}
|
|
|
|
pj_strdup_with_null(rdata->tp_info.pool, &header_content, &ident->hvalue);
|
|
|
|
parsed_hdr = pjsip_parse_hdr(rdata->tp_info.pool, &from, header_content.ptr,
|
|
pj_strlen(&header_content), &parsed_len);
|
|
|
|
if (!parsed_hdr) {
|
|
return NULL;
|
|
}
|
|
|
|
return parsed_hdr;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Set an ast_party_id structure based on data in a P-Asserted-Identity header
|
|
*
|
|
* This makes use of \ref set_id_from_hdr for setting name and number. It uses
|
|
* the contents of a Privacy header in order to set presentation information.
|
|
*
|
|
* \param rdata The incoming message
|
|
* \param[out] id The ID to set
|
|
* \retval 0 Successfully set the party ID
|
|
* \retval non-zero Could not set the party ID
|
|
*/
|
|
static int set_id_from_pai(pjsip_rx_data *rdata, struct ast_party_id *id)
|
|
{
|
|
static const pj_str_t pai_str = { "P-Asserted-Identity", 19 };
|
|
static const pj_str_t privacy_str = { "Privacy", 7 };
|
|
pjsip_fromto_hdr *pai_hdr = get_id_header(rdata, &pai_str);
|
|
pjsip_generic_string_hdr *privacy;
|
|
|
|
if (!pai_hdr) {
|
|
return -1;
|
|
}
|
|
|
|
set_id_from_hdr(pai_hdr, id);
|
|
|
|
if (!id->number.valid) {
|
|
return -1;
|
|
}
|
|
|
|
privacy = pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &privacy_str, NULL);
|
|
if (!privacy || !pj_stricmp2(&privacy->hvalue, "none")) {
|
|
id->number.presentation = AST_PRES_ALLOWED_USER_NUMBER_NOT_SCREENED;
|
|
id->name.presentation = AST_PRES_ALLOWED_USER_NUMBER_NOT_SCREENED;
|
|
} else {
|
|
id->number.presentation = AST_PRES_PROHIB_USER_NUMBER_NOT_SCREENED;
|
|
id->name.presentation = AST_PRES_PROHIB_USER_NUMBER_NOT_SCREENED;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Set an ast_party_id structure based on data in a Remote-Party-ID header
|
|
*
|
|
* This makes use of \ref set_id_from_hdr for setting name and number. It uses
|
|
* the privacy and screen parameters in order to set presentation information.
|
|
*
|
|
* \param rdata The incoming message
|
|
* \param[out] id The ID to set
|
|
* \retval 0 Succesfully set the party ID
|
|
* \retval non-zero Could not set the party ID
|
|
*/
|
|
static int set_id_from_rpid(pjsip_rx_data *rdata, struct ast_party_id *id)
|
|
{
|
|
static const pj_str_t rpid_str = { "Remote-Party-ID", 15 };
|
|
static const pj_str_t privacy_str = { "privacy", 7 };
|
|
static const pj_str_t screen_str = { "screen", 6 };
|
|
pjsip_fromto_hdr *rpid_hdr = get_id_header(rdata, &rpid_str);
|
|
pjsip_param *screen;
|
|
pjsip_param *privacy;
|
|
|
|
if (!rpid_hdr) {
|
|
return -1;
|
|
}
|
|
|
|
set_id_from_hdr(rpid_hdr, id);
|
|
|
|
if (!id->number.valid) {
|
|
return -1;
|
|
}
|
|
|
|
privacy = pjsip_param_find(&rpid_hdr->other_param, &privacy_str);
|
|
screen = pjsip_param_find(&rpid_hdr->other_param, &screen_str);
|
|
if (privacy && !pj_stricmp2(&privacy->value, "full")) {
|
|
id->number.presentation = AST_PRES_RESTRICTED;
|
|
id->name.presentation = AST_PRES_RESTRICTED;
|
|
} else {
|
|
id->number.presentation = AST_PRES_ALLOWED;
|
|
id->name.presentation = AST_PRES_ALLOWED;
|
|
}
|
|
if (screen && !pj_stricmp2(&screen->value, "yes")) {
|
|
id->number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
|
|
id->name.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
|
|
} else {
|
|
id->number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
|
|
id->name.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Set an ast_party_id structure based on data in a From
|
|
*
|
|
* This makes use of \ref set_id_from_hdr for setting name and number. It uses
|
|
* no information from the message in order to set privacy. It relies on endpoint
|
|
* configuration for privacy information.
|
|
*
|
|
* \param rdata The incoming message
|
|
* \param[out] id The ID to set
|
|
* \retval 0 Succesfully set the party ID
|
|
* \retval non-zero Could not set the party ID
|
|
*/
|
|
static int set_id_from_from(struct pjsip_rx_data *rdata, struct ast_party_id *id)
|
|
{
|
|
pjsip_fromto_hdr *from = pjsip_msg_find_hdr(rdata->msg_info.msg,
|
|
PJSIP_H_FROM, rdata->msg_info.msg->hdr.next);
|
|
|
|
if (!from) {
|
|
/* This had better not happen */
|
|
return -1;
|
|
}
|
|
|
|
set_id_from_hdr(from, id);
|
|
|
|
if (!id->number.valid) {
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_set_id_connected_line(struct pjsip_rx_data *rdata, struct ast_party_id *id)
|
|
{
|
|
return !set_id_from_pai(rdata, id) || !set_id_from_rpid(rdata, id) ? 0 : -1;
|
|
}
|
|
|
|
int ast_sip_set_id_from_invite(struct pjsip_rx_data *rdata, struct ast_party_id *id, struct ast_party_id *default_id, int trust_inbound)
|
|
{
|
|
if (trust_inbound && (!set_id_from_pai(rdata, id) || !set_id_from_rpid(rdata, id))) {
|
|
/* Trusted: Check PAI and RPID */
|
|
ast_free(id->tag);
|
|
id->tag = ast_strdup(default_id->tag);
|
|
return 0;
|
|
}
|
|
/* Not trusted: check the endpoint config or use From. */
|
|
ast_party_id_copy(id, default_id);
|
|
if (!default_id->number.valid) {
|
|
set_id_from_from(rdata, id);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \brief Set name and number information on an identity header.
|
|
*
|
|
* \param pool Memory pool to use for string duplication
|
|
* \param id_hdr A From, P-Asserted-Identity, or Remote-Party-ID header to modify
|
|
* \param id The identity information to apply to the header
|
|
*/
|
|
void ast_sip_modify_id_header(pj_pool_t *pool, pjsip_fromto_hdr *id_hdr, const struct ast_party_id *id)
|
|
{
|
|
pjsip_name_addr *id_name_addr;
|
|
pjsip_sip_uri *id_uri;
|
|
|
|
id_name_addr = (pjsip_name_addr *) id_hdr->uri;
|
|
id_uri = pjsip_uri_get_uri(id_name_addr->uri);
|
|
|
|
if (id->name.valid) {
|
|
if (!ast_strlen_zero(id->name.str)) {
|
|
int name_buf_len = strlen(id->name.str) * 2 + 1;
|
|
char *name_buf = ast_alloca(name_buf_len);
|
|
|
|
ast_escape_quoted(id->name.str, name_buf, name_buf_len);
|
|
pj_strdup2(pool, &id_name_addr->display, name_buf);
|
|
} else {
|
|
pj_strdup2(pool, &id_name_addr->display, NULL);
|
|
}
|
|
}
|
|
|
|
if (id->number.valid) {
|
|
pj_strdup2(pool, &id_uri->user, id->number.str);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \brief Find a contact and insert a "user@" into its URI.
|
|
*
|
|
* \param to Original destination (for error messages only)
|
|
* \param endpoint_name Endpoint name (for error messages only)
|
|
* \param aors Command separated list of AORs
|
|
* \param user The user to insert in the contact URI
|
|
* \param uri Pointer to buffer in which to return the URI. Must be freed by caller.
|
|
*
|
|
* \return 0 Success
|
|
* \return -1 Fail
|
|
*
|
|
* \note If the contact URI found for the endpoint already has a user in
|
|
* its URI, it will be replaced by the user passed as an argument to this function.
|
|
*/
|
|
static int insert_user_in_contact_uri(const char *to, const char *endpoint_name, const char *aors,
|
|
const char *user, char **uri)
|
|
{
|
|
RAII_VAR(struct ast_sip_contact *, contact, NULL, ao2_cleanup);
|
|
pj_pool_t *pool;
|
|
pjsip_name_addr *name_addr;
|
|
pjsip_sip_uri *sip_uri;
|
|
int err = 0;
|
|
|
|
contact = ast_sip_location_retrieve_contact_from_aor_list(aors);
|
|
if (!contact) {
|
|
ast_log(LOG_WARNING, "Dest: '%s'. Couldn't find contact for endpoint '%s'\n",
|
|
to, endpoint_name);
|
|
return -1;
|
|
}
|
|
|
|
pool = pjsip_endpt_create_pool(ast_sip_get_pjsip_endpoint(), "uri-user-insert", 128, 128);
|
|
if (!pool) {
|
|
ast_log(LOG_WARNING, "Failed to allocate ParseUri endpoint pool.\n");
|
|
return -1;
|
|
}
|
|
|
|
name_addr = (pjsip_name_addr *) pjsip_parse_uri(pool, (char*)contact->uri, strlen(contact->uri), PJSIP_PARSE_URI_AS_NAMEADDR);
|
|
if (!name_addr || (!PJSIP_URI_SCHEME_IS_SIP(name_addr->uri) && !PJSIP_URI_SCHEME_IS_SIPS(name_addr->uri))) {
|
|
ast_log(LOG_WARNING, "Failed to parse URI '%s'\n", contact->uri);
|
|
err = -1;
|
|
goto out;
|
|
}
|
|
|
|
ast_debug(3, "Dest: '%s' User: '%s' Endpoint: '%s' ContactURI: '%s'\n", to, user, endpoint_name, contact->uri);
|
|
|
|
sip_uri = pjsip_uri_get_uri(name_addr->uri);
|
|
pj_strset2(&sip_uri->user, (char*)user);
|
|
|
|
*uri = ast_malloc(PJSIP_MAX_URL_SIZE);
|
|
if (!(*uri)) {
|
|
err = -1;
|
|
goto out;
|
|
}
|
|
pjsip_uri_print(PJSIP_URI_IN_REQ_URI, name_addr, *uri, PJSIP_MAX_URL_SIZE);
|
|
|
|
out:
|
|
pjsip_endpt_release_pool(ast_sip_get_pjsip_endpoint(), pool);
|
|
|
|
return err;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Get endpoint and URI when the destination is only a single token
|
|
*
|
|
* "destination" could be one of the following:
|
|
* \verbatim
|
|
endpoint_name
|
|
hostname
|
|
* \endverbatim
|
|
*
|
|
* \param to
|
|
* \param destination
|
|
* \param get_default_outbound If nonzero, try to retrieve the default
|
|
* outbound endpoint if no endpoint was found.
|
|
* Otherwise, return NULL if no endpoint was found.
|
|
* \param uri Pointer to URI variable. Must be freed by caller - even if the return value is NULL!
|
|
* \return endpoint
|
|
*/
|
|
static struct ast_sip_endpoint *handle_single_token(const char *to, char *destination, int get_default_outbound, char **uri) {
|
|
RAII_VAR(struct ast_sip_contact*, contact, NULL, ao2_cleanup);
|
|
char *endpoint_name = NULL;
|
|
struct ast_sip_endpoint *endpoint = NULL;
|
|
|
|
/*
|
|
* If "destination" is just one token, it could be an endpoint name
|
|
* or a hostname without a scheme.
|
|
*/
|
|
|
|
endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", destination);
|
|
if (!endpoint) {
|
|
/*
|
|
* We can only assume it's a hostname.
|
|
*/
|
|
char *temp_uri = ast_malloc(strlen(destination) + strlen("sip:") + 1);
|
|
if (!temp_uri) {
|
|
goto failure;
|
|
}
|
|
sprintf(temp_uri, "sip:%s", destination);
|
|
*uri = temp_uri;
|
|
if (get_default_outbound) {
|
|
endpoint = ast_sip_default_outbound_endpoint();
|
|
}
|
|
ast_debug(3, "Dest: '%s' Didn't find endpoint so adding scheme and using URI '%s'%s\n",
|
|
to, *uri, get_default_outbound ? " with default endpoint" : "");
|
|
return endpoint;
|
|
}
|
|
|
|
/*
|
|
* It's an endpoint
|
|
*/
|
|
|
|
endpoint_name = destination;
|
|
contact = ast_sip_location_retrieve_contact_from_aor_list(endpoint->aors);
|
|
if (!contact) {
|
|
ast_log(LOG_WARNING, "Dest: '%s'. Found endpoint '%s' but didn't find an aor/contact for it\n",
|
|
to, endpoint_name);
|
|
ao2_cleanup(endpoint);
|
|
goto failure;
|
|
}
|
|
|
|
*uri = ast_strdup(contact->uri);
|
|
if (!(*uri)) {
|
|
ao2_cleanup(endpoint);
|
|
goto failure;
|
|
}
|
|
|
|
ast_debug(3, "Dest: '%s' Found endpoint '%s' and found contact with URI '%s'\n",
|
|
to, endpoint_name, *uri);
|
|
return endpoint;
|
|
|
|
failure:
|
|
*uri = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Get endpoint and URI when the destination contained a '/'
|
|
*
|
|
* "to" could be one of the following:
|
|
* \verbatim
|
|
endpoint/aor
|
|
endpoint/<sip[s]:host>
|
|
endpoint/<sip[s]:user@host>
|
|
endpoint/"Bob" <sip[s]:host>
|
|
endpoint/"Bob" <sip[s]:user@host>
|
|
endpoint/sip[s]:host
|
|
endpoint/sip[s]:user@host
|
|
endpoint/host
|
|
endpoint/user@host
|
|
* \endverbatim
|
|
*
|
|
* \param to Destination
|
|
* \param uri Pointer to URI variable. Must be freed by caller - even if the return value is NULL!
|
|
* \param destination, slash, atsign, scheme
|
|
* \return endpoint
|
|
*/
|
|
static struct ast_sip_endpoint *handle_slash(const char *to, char *destination, char **uri,
|
|
char *slash, char *atsign, char *scheme)
|
|
{
|
|
char *endpoint_name = NULL;
|
|
struct ast_sip_endpoint *endpoint = NULL;
|
|
struct ast_sip_contact *contact = NULL;
|
|
char *user = NULL;
|
|
char *afterslash = slash + 1;
|
|
struct ast_sip_aor *aor;
|
|
|
|
if (ast_begins_with(destination, "PJSIP/")) {
|
|
ast_debug(3, "Dest: '%s' Dialplan format'\n", to);
|
|
/*
|
|
* This has to be the form PJSIP/user@endpoint
|
|
*/
|
|
if (!atsign || strchr(afterslash, '/')) {
|
|
/*
|
|
* If there's no "user@" or there's a slash somewhere after
|
|
* "PJSIP/" then we go no further.
|
|
*/
|
|
ast_log(LOG_WARNING,
|
|
"Dest: '%s'. Destinations beginning with 'PJSIP/' must be in the form of 'PJSIP/user@endpoint'\n",
|
|
to);
|
|
goto failure;
|
|
}
|
|
*atsign = '\0';
|
|
user = afterslash;
|
|
endpoint_name = atsign + 1;
|
|
ast_debug(3, "Dest: '%s' User: '%s' Endpoint: '%s'\n", to, user, endpoint_name);
|
|
} else {
|
|
/*
|
|
* Either...
|
|
* endpoint/aor
|
|
* endpoint/uri
|
|
*/
|
|
*slash = '\0';
|
|
endpoint_name = destination;
|
|
ast_debug(3, "Dest: '%s' Endpoint: '%s'\n", to, endpoint_name);
|
|
}
|
|
|
|
endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", endpoint_name);
|
|
if (!endpoint) {
|
|
ast_log(LOG_WARNING, "Dest: '%s'. Didn't find endpoint with name '%s'\n",
|
|
to, endpoint_name);
|
|
goto failure;
|
|
}
|
|
|
|
if (scheme) {
|
|
/*
|
|
* If we found a scheme, then everything after the slash MUST be a URI.
|
|
* We don't need to do any further modification.
|
|
*/
|
|
*uri = ast_strdup(afterslash);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
ast_debug(3, "Dest: '%s' Found endpoint '%s' and found URI '%s' after '/'\n",
|
|
to, endpoint_name, *uri);
|
|
return endpoint;
|
|
}
|
|
|
|
if (user) {
|
|
/*
|
|
* This has to be the form PJSIP/user@endpoint
|
|
*/
|
|
int rc;
|
|
|
|
/*
|
|
* Set the return URI to be the endpoint's contact URI with the user
|
|
* portion set to the user that was specified before the endpoint name.
|
|
*/
|
|
rc = insert_user_in_contact_uri(to, endpoint_name, endpoint->aors, user, uri);
|
|
if (rc != 0) {
|
|
/*
|
|
* insert_user_in_contact_uri prints the warning message.
|
|
*/
|
|
goto failure;
|
|
}
|
|
ast_debug(3, "Dest: '%s' User: '%s' Endpoint: '%s' URI: '%s'\n", to, user,
|
|
endpoint_name, *uri);
|
|
|
|
return endpoint;
|
|
}
|
|
|
|
/*
|
|
* We're now left with two possibilities...
|
|
* endpoint/aor
|
|
* endpoint/uri-without-scheme
|
|
*/
|
|
aor = ast_sip_location_retrieve_aor(afterslash);
|
|
if (!aor) {
|
|
/*
|
|
* It's probably a URI without a scheme but we don't have a way to tell
|
|
* for sure. We're going to assume it is and prepend it with a scheme.
|
|
*/
|
|
*uri = ast_malloc(strlen(afterslash) + strlen("sip:") + 1);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
sprintf(*uri, "sip:%s", afterslash);
|
|
ast_debug(3, "Dest: '%s' Found endpoint '%s' but didn't find aor after '/' so using URI '%s'\n",
|
|
to, endpoint_name, *uri);
|
|
return endpoint;
|
|
}
|
|
|
|
/*
|
|
* Only one possibility left... There was an aor name after the slash.
|
|
*/
|
|
ast_debug(3, "Dest: '%s' Found endpoint '%s' and found aor '%s' after '/'\n",
|
|
to, endpoint_name, ast_sorcery_object_get_id(aor));
|
|
|
|
contact = ast_sip_location_retrieve_first_aor_contact(aor);
|
|
if (!contact) {
|
|
ast_log(LOG_WARNING, "Dest: '%s'. Found endpoint '%s' but didn't find contact for aor '%s'\n",
|
|
to, endpoint_name, ast_sorcery_object_get_id(aor));
|
|
ao2_cleanup(aor);
|
|
goto failure;
|
|
}
|
|
|
|
*uri = ast_strdup(contact->uri);
|
|
ao2_cleanup(contact);
|
|
ao2_cleanup(aor);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
|
|
ast_debug(3, "Dest: '%s' Found endpoint '%s' and found contact with URI '%s' for aor '%s'\n",
|
|
to, endpoint_name, *uri, ast_sorcery_object_get_id(aor));
|
|
|
|
return endpoint;
|
|
|
|
failure:
|
|
ao2_cleanup(endpoint);
|
|
*uri = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Get endpoint and URI when the destination contained a '@' but no '/' or scheme
|
|
*
|
|
* "to" could be one of the following:
|
|
* \verbatim
|
|
<sip[s]:user@host>
|
|
"Bob" <sip[s]:user@host>
|
|
sip[s]:user@host
|
|
user@host
|
|
* \endverbatim
|
|
*
|
|
* \param to Destination
|
|
* \param uri Pointer to URI variable. Must be freed by caller - even if the return value is NULL!
|
|
* \param destination, slash, atsign, scheme
|
|
* \param get_default_outbound If nonzero, try to retrieve the default
|
|
* outbound endpoint if no endpoint was found.
|
|
* Otherwise, return NULL if no endpoint was found.
|
|
* \return endpoint
|
|
*/
|
|
static struct ast_sip_endpoint *handle_atsign(const char *to, char *destination, char **uri,
|
|
char *slash, char *atsign, char *scheme, int get_default_outbound)
|
|
{
|
|
char *endpoint_name = NULL;
|
|
struct ast_sip_endpoint *endpoint = NULL;
|
|
struct ast_sip_contact *contact = NULL;
|
|
char *afterat = atsign + 1;
|
|
|
|
*atsign = '\0';
|
|
endpoint_name = destination;
|
|
|
|
/* Apparently there may be ';<user_options>' after the endpoint name ??? */
|
|
AST_SIP_USER_OPTIONS_TRUNCATE_CHECK(endpoint_name);
|
|
endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", endpoint_name);
|
|
if (!endpoint) {
|
|
/*
|
|
* It's probably a uri with a user but without a scheme but we don't have a way to tell.
|
|
* We're going to assume it is and prepend it with a scheme.
|
|
*/
|
|
*uri = ast_malloc(strlen(to) + strlen("sip:") + 1);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
sprintf(*uri, "sip:%s", to);
|
|
if (get_default_outbound) {
|
|
endpoint = ast_sip_default_outbound_endpoint();
|
|
}
|
|
ast_debug(3, "Dest: '%s' Didn't find endpoint before the '@' so using URI '%s'%s\n",
|
|
to, *uri, get_default_outbound ? " with default endpoint" : "");
|
|
return endpoint;
|
|
}
|
|
|
|
/*
|
|
* OK, it's an endpoint and a domain (which we ignore)
|
|
*/
|
|
contact = ast_sip_location_retrieve_contact_from_aor_list(endpoint->aors);
|
|
if (!contact) {
|
|
ast_log(LOG_WARNING, "Dest: '%s'. Found endpoint '%s' but didn't find contact\n",
|
|
to, endpoint_name);
|
|
goto failure;
|
|
}
|
|
|
|
*uri = ast_strdup(contact->uri);
|
|
ao2_cleanup(contact);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
ast_debug(3, "Dest: '%s' Found endpoint '%s' and found contact with URI '%s' (discarding domain %s)\n",
|
|
to, endpoint_name, *uri, afterat);
|
|
|
|
return endpoint;
|
|
|
|
failure:
|
|
ao2_cleanup(endpoint);
|
|
*uri = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
struct ast_sip_endpoint *ast_sip_get_endpoint(const char *to, int get_default_outbound, char **uri)
|
|
{
|
|
char *destination;
|
|
char *slash = NULL;
|
|
char *atsign = NULL;
|
|
char *scheme = NULL;
|
|
struct ast_sip_endpoint *endpoint = NULL;
|
|
|
|
destination = ast_strdupa(to);
|
|
|
|
slash = strchr(destination, '/');
|
|
atsign = strchr(destination, '@');
|
|
scheme = S_OR(strstr(destination, "sip:"), strstr(destination, "sips:"));
|
|
|
|
if (!slash && !atsign && !scheme) {
|
|
/*
|
|
* If there's only a single token, it can be either...
|
|
* endpoint
|
|
* host
|
|
*/
|
|
return handle_single_token(to, destination, get_default_outbound, uri);
|
|
}
|
|
|
|
if (slash) {
|
|
/*
|
|
* If there's a '/', then the form must be one of the following...
|
|
* PJSIP/user@endpoint
|
|
* endpoint/aor
|
|
* endpoint/uri
|
|
*/
|
|
return handle_slash(to, destination, uri, slash, atsign, scheme);
|
|
}
|
|
|
|
if (atsign && !scheme) {
|
|
/*
|
|
* If there's an '@' but no scheme then it's either following an endpoint name
|
|
* and being followed by a domain name (which we discard).
|
|
* OR is's a user@host uri without a scheme. It's probably the latter but because
|
|
* endpoint@domain looks just like user@host, we'll test for endpoint first.
|
|
*/
|
|
return handle_atsign(to, destination, uri, slash, atsign, scheme, get_default_outbound);
|
|
}
|
|
|
|
/*
|
|
* If all else fails, we assume it's a URI or just a hostname.
|
|
*/
|
|
if (scheme) {
|
|
*uri = ast_strdup(destination);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
ast_debug(3, "Dest: '%s' Didn't find an endpoint but did find a scheme so using URI '%s'%s\n",
|
|
to, *uri, get_default_outbound ? " with default endpoint" : "");
|
|
} else {
|
|
*uri = ast_malloc(strlen(destination) + strlen("sip:") + 1);
|
|
if (!(*uri)) {
|
|
goto failure;
|
|
}
|
|
sprintf(*uri, "sip:%s", destination);
|
|
ast_debug(3, "Dest: '%s' Didn't find an endpoint and didn't find scheme so adding scheme and using URI '%s'%s\n",
|
|
to, *uri, get_default_outbound ? " with default endpoint" : "");
|
|
}
|
|
if (get_default_outbound) {
|
|
endpoint = ast_sip_default_outbound_endpoint();
|
|
}
|
|
|
|
return endpoint;
|
|
|
|
failure:
|
|
ao2_cleanup(endpoint);
|
|
*uri = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
int ast_sip_update_to_uri(pjsip_tx_data *tdata, const char *to)
|
|
{
|
|
pjsip_name_addr *parsed_name_addr;
|
|
pjsip_sip_uri *sip_uri;
|
|
pjsip_name_addr *tdata_name_addr;
|
|
pjsip_sip_uri *tdata_sip_uri;
|
|
pjsip_to_hdr *to_hdr;
|
|
char *buf = NULL;
|
|
#define DEBUG_BUF_SIZE 256
|
|
|
|
parsed_name_addr = (pjsip_name_addr *) pjsip_parse_uri(tdata->pool, (char*)to, strlen(to),
|
|
PJSIP_PARSE_URI_AS_NAMEADDR);
|
|
|
|
if (!parsed_name_addr || (!PJSIP_URI_SCHEME_IS_SIP(parsed_name_addr->uri)
|
|
&& !PJSIP_URI_SCHEME_IS_SIPS(parsed_name_addr->uri))) {
|
|
ast_log(LOG_WARNING, "To address '%s' is not a valid SIP/SIPS URI\n", to);
|
|
return -1;
|
|
}
|
|
|
|
sip_uri = pjsip_uri_get_uri(parsed_name_addr->uri);
|
|
if (DEBUG_ATLEAST(3)) {
|
|
buf = ast_alloca(DEBUG_BUF_SIZE);
|
|
pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, sip_uri, buf, DEBUG_BUF_SIZE);
|
|
ast_debug(3, "Parsed To: %.*s %s\n", (int)parsed_name_addr->display.slen,
|
|
parsed_name_addr->display.ptr, buf);
|
|
}
|
|
|
|
to_hdr = PJSIP_MSG_TO_HDR(tdata->msg);
|
|
tdata_name_addr = to_hdr ? (pjsip_name_addr *) to_hdr->uri : NULL;
|
|
if (!tdata_name_addr || (!PJSIP_URI_SCHEME_IS_SIP(tdata_name_addr->uri)
|
|
&& !PJSIP_URI_SCHEME_IS_SIPS(tdata_name_addr->uri))) {
|
|
/* Highly unlikely but we have to check */
|
|
ast_log(LOG_WARNING, "tdata To address '%s' is not a valid SIP/SIPS URI\n", to);
|
|
return -1;
|
|
}
|
|
|
|
tdata_sip_uri = pjsip_uri_get_uri(tdata_name_addr->uri);
|
|
if (DEBUG_ATLEAST(3)) {
|
|
buf[0] = '\0';
|
|
pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, tdata_sip_uri, buf, DEBUG_BUF_SIZE);
|
|
ast_debug(3, "Original tdata To: %.*s %s\n", (int)tdata_name_addr->display.slen,
|
|
tdata_name_addr->display.ptr, buf);
|
|
}
|
|
|
|
/* Replace the uri */
|
|
pjsip_sip_uri_assign(tdata->pool, tdata_sip_uri, sip_uri);
|
|
/* The display name isn't part of the URI so we need to replace it separately */
|
|
pj_strdup(tdata->pool, &tdata_name_addr->display, &parsed_name_addr->display);
|
|
|
|
if (DEBUG_ATLEAST(3)) {
|
|
buf[0] = '\0';
|
|
pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, tdata_sip_uri, buf, 256);
|
|
ast_debug(3, "New tdata To: %.*s %s\n", (int)tdata_name_addr->display.slen,
|
|
tdata_name_addr->display.ptr, buf);
|
|
}
|
|
|
|
return 0;
|
|
#undef DEBUG_BUF_SIZE
|
|
}
|
|
|
|
int ast_sip_update_from(pjsip_tx_data *tdata, char *from)
|
|
{
|
|
pjsip_name_addr *name_addr;
|
|
pjsip_sip_uri *uri;
|
|
pjsip_name_addr *parsed_name_addr;
|
|
pjsip_from_hdr *from_hdr;
|
|
|
|
if (ast_strlen_zero(from)) {
|
|
return 0;
|
|
}
|
|
|
|
from_hdr = PJSIP_MSG_FROM_HDR(tdata->msg);
|
|
if (!from_hdr) {
|
|
return -1;
|
|
}
|
|
name_addr = (pjsip_name_addr *) from_hdr->uri;
|
|
uri = pjsip_uri_get_uri(name_addr);
|
|
|
|
parsed_name_addr = (pjsip_name_addr *) pjsip_parse_uri(tdata->pool, from,
|
|
strlen(from), PJSIP_PARSE_URI_AS_NAMEADDR);
|
|
if (parsed_name_addr) {
|
|
pjsip_sip_uri *parsed_uri;
|
|
|
|
if (!PJSIP_URI_SCHEME_IS_SIP(parsed_name_addr->uri)
|
|
&& !PJSIP_URI_SCHEME_IS_SIPS(parsed_name_addr->uri)) {
|
|
ast_log(LOG_WARNING, "From address '%s' is not a valid SIP/SIPS URI\n", from);
|
|
return -1;
|
|
}
|
|
|
|
parsed_uri = pjsip_uri_get_uri(parsed_name_addr->uri);
|
|
|
|
if (pj_strlen(&parsed_name_addr->display)) {
|
|
pj_strdup(tdata->pool, &name_addr->display, &parsed_name_addr->display);
|
|
}
|
|
|
|
/* Unlike the To header, we only want to replace the user, host and port */
|
|
pj_strdup(tdata->pool, &uri->user, &parsed_uri->user);
|
|
pj_strdup(tdata->pool, &uri->host, &parsed_uri->host);
|
|
uri->port = parsed_uri->port;
|
|
|
|
return 0;
|
|
} else {
|
|
/* assume it is 'user[@domain]' format */
|
|
char *domain = strchr(from, '@');
|
|
|
|
if (domain) {
|
|
pj_str_t pj_from;
|
|
|
|
pj_strset3(&pj_from, from, domain);
|
|
pj_strdup(tdata->pool, &uri->user, &pj_from);
|
|
|
|
pj_strdup2(tdata->pool, &uri->host, domain + 1);
|
|
} else {
|
|
pj_strdup2(tdata->pool, &uri->user, from);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void remove_request_headers(pjsip_endpoint *endpt)
|
|
{
|
|
const pjsip_hdr *request_headers = pjsip_endpt_get_request_headers(endpt);
|
|
pjsip_hdr *iter = request_headers->next;
|
|
|
|
while (iter != request_headers) {
|
|
pjsip_hdr *to_erase = iter;
|
|
iter = iter->next;
|
|
pj_list_erase(to_erase);
|
|
}
|
|
}
|
|
|
|
long ast_sip_threadpool_queue_size(void)
|
|
{
|
|
return ast_threadpool_queue_size(sip_threadpool);
|
|
}
|
|
|
|
struct ast_threadpool *ast_sip_threadpool(void)
|
|
{
|
|
return sip_threadpool;
|
|
}
|
|
|
|
int ast_sip_is_uri_sip_sips(pjsip_uri *uri)
|
|
{
|
|
return (PJSIP_URI_SCHEME_IS_SIP(uri) || PJSIP_URI_SCHEME_IS_SIPS(uri));
|
|
}
|
|
|
|
int ast_sip_is_allowed_uri(pjsip_uri *uri)
|
|
{
|
|
return (ast_sip_is_uri_sip_sips(uri) || PJSIP_URI_SCHEME_IS_TEL(uri));
|
|
}
|
|
|
|
const pj_str_t *ast_sip_pjsip_uri_get_username(pjsip_uri *uri)
|
|
{
|
|
if (ast_sip_is_uri_sip_sips(uri)) {
|
|
pjsip_sip_uri *sip_uri = pjsip_uri_get_uri(uri);
|
|
if (!sip_uri) {
|
|
return &AST_PJ_STR_EMPTY;
|
|
}
|
|
return &sip_uri->user;
|
|
} else if (PJSIP_URI_SCHEME_IS_TEL(uri)) {
|
|
pjsip_tel_uri *tel_uri = pjsip_uri_get_uri(uri);
|
|
if (!tel_uri) {
|
|
return &AST_PJ_STR_EMPTY;
|
|
}
|
|
return &tel_uri->number;
|
|
}
|
|
|
|
return &AST_PJ_STR_EMPTY;
|
|
}
|
|
|
|
const pj_str_t *ast_sip_pjsip_uri_get_hostname(pjsip_uri *uri)
|
|
{
|
|
if (ast_sip_is_uri_sip_sips(uri)) {
|
|
pjsip_sip_uri *sip_uri = pjsip_uri_get_uri(uri);
|
|
if (!sip_uri) {
|
|
return &AST_PJ_STR_EMPTY;
|
|
}
|
|
return &sip_uri->host;
|
|
} else if (PJSIP_URI_SCHEME_IS_TEL(uri)) {
|
|
return &AST_PJ_STR_EMPTY;
|
|
}
|
|
|
|
return &AST_PJ_STR_EMPTY;
|
|
}
|
|
|
|
struct pjsip_param *ast_sip_pjsip_uri_get_other_param(pjsip_uri *uri, const pj_str_t *param_str)
|
|
{
|
|
if (ast_sip_is_uri_sip_sips(uri)) {
|
|
pjsip_sip_uri *sip_uri = pjsip_uri_get_uri(uri);
|
|
if (!sip_uri) {
|
|
return NULL;
|
|
}
|
|
return pjsip_param_find(&sip_uri->other_param, param_str);
|
|
} else if (PJSIP_URI_SCHEME_IS_TEL(uri)) {
|
|
pjsip_tel_uri *tel_uri = pjsip_uri_get_uri(uri);
|
|
if (!tel_uri) {
|
|
return NULL;
|
|
}
|
|
return pjsip_param_find(&tel_uri->other_param, param_str);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*! \brief Convert SIP hangup causes to Asterisk hangup causes */
|
|
const int ast_sip_hangup_sip2cause(int cause)
|
|
{
|
|
/* Possible values taken from causes.h */
|
|
|
|
switch(cause) {
|
|
case 401: /* Unauthorized */
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
case 403: /* Not found */
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
case 404: /* Not found */
|
|
return AST_CAUSE_UNALLOCATED;
|
|
case 405: /* Method not allowed */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 407: /* Proxy authentication required */
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
case 408: /* No reaction */
|
|
return AST_CAUSE_NO_USER_RESPONSE;
|
|
case 409: /* Conflict */
|
|
return AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
|
|
case 410: /* Gone */
|
|
return AST_CAUSE_NUMBER_CHANGED;
|
|
case 411: /* Length required */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 413: /* Request entity too large */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 414: /* Request URI too large */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 415: /* Unsupported media type */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 420: /* Bad extension */
|
|
return AST_CAUSE_NO_ROUTE_DESTINATION;
|
|
case 480: /* No answer */
|
|
return AST_CAUSE_NO_ANSWER;
|
|
case 481: /* No answer */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 482: /* Loop detected */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 483: /* Too many hops */
|
|
return AST_CAUSE_NO_ANSWER;
|
|
case 484: /* Address incomplete */
|
|
return AST_CAUSE_INVALID_NUMBER_FORMAT;
|
|
case 485: /* Ambiguous */
|
|
return AST_CAUSE_UNALLOCATED;
|
|
case 486: /* Busy everywhere */
|
|
return AST_CAUSE_BUSY;
|
|
case 487: /* Request terminated */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 488: /* No codecs approved */
|
|
return AST_CAUSE_BEARERCAPABILITY_NOTAVAIL;
|
|
case 491: /* Request pending */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 493: /* Undecipherable */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 500: /* Server internal failure */
|
|
return AST_CAUSE_FAILURE;
|
|
case 501: /* Call rejected */
|
|
return AST_CAUSE_FACILITY_REJECTED;
|
|
case 502:
|
|
return AST_CAUSE_DESTINATION_OUT_OF_ORDER;
|
|
case 503: /* Service unavailable */
|
|
return AST_CAUSE_CONGESTION;
|
|
case 504: /* Gateway timeout */
|
|
return AST_CAUSE_RECOVERY_ON_TIMER_EXPIRE;
|
|
case 505: /* SIP version not supported */
|
|
return AST_CAUSE_INTERWORKING;
|
|
case 600: /* Busy everywhere */
|
|
return AST_CAUSE_USER_BUSY;
|
|
case 603: /* Decline */
|
|
return AST_CAUSE_CALL_REJECTED;
|
|
case 604: /* Does not exist anywhere */
|
|
return AST_CAUSE_UNALLOCATED;
|
|
case 606: /* Not acceptable */
|
|
return AST_CAUSE_BEARERCAPABILITY_NOTAVAIL;
|
|
default:
|
|
if (cause < 500 && cause >= 400) {
|
|
/* 4xx class error that is unknown - someting wrong with our request */
|
|
return AST_CAUSE_INTERWORKING;
|
|
} else if (cause < 600 && cause >= 500) {
|
|
/* 5xx class error - problem in the remote end */
|
|
return AST_CAUSE_CONGESTION;
|
|
} else if (cause < 700 && cause >= 600) {
|
|
/* 6xx - global errors in the 4xx class */
|
|
return AST_CAUSE_INTERWORKING;
|
|
}
|
|
return AST_CAUSE_NORMAL;
|
|
}
|
|
/* Never reached */
|
|
return 0;
|
|
}
|
|
|
|
struct response_code_map {
|
|
int code;
|
|
const char *long_name;
|
|
const char *short_name;
|
|
};
|
|
|
|
/*
|
|
* This map was generated from sip_msg.h with
|
|
*
|
|
* sed -n -r -e 's/^\s+(PJSIP_SC_([^ =]+))\s*=\s*[0-9]+,/{ \1, "\1", "\2" },/gp' \
|
|
* third-party/pjproject/source/pjsip/include/pjsip/sip_msg.h
|
|
*
|
|
*/
|
|
static const struct response_code_map rc_map[] = {
|
|
{ PJSIP_SC_NULL, "PJSIP_SC_NULL", "NULL" },
|
|
{ PJSIP_SC_TRYING, "PJSIP_SC_TRYING", "TRYING" },
|
|
{ PJSIP_SC_RINGING, "PJSIP_SC_RINGING", "RINGING" },
|
|
{ PJSIP_SC_CALL_BEING_FORWARDED, "PJSIP_SC_CALL_BEING_FORWARDED", "CALL_BEING_FORWARDED" },
|
|
{ PJSIP_SC_QUEUED, "PJSIP_SC_QUEUED", "QUEUED" },
|
|
{ PJSIP_SC_PROGRESS, "PJSIP_SC_PROGRESS", "PROGRESS" },
|
|
{ PJSIP_SC_EARLY_DIALOG_TERMINATED, "PJSIP_SC_EARLY_DIALOG_TERMINATED", "EARLY_DIALOG_TERMINATED" },
|
|
{ PJSIP_SC_OK, "PJSIP_SC_OK", "OK" },
|
|
{ PJSIP_SC_ACCEPTED, "PJSIP_SC_ACCEPTED", "ACCEPTED" },
|
|
{ PJSIP_SC_NO_NOTIFICATION, "PJSIP_SC_NO_NOTIFICATION", "NO_NOTIFICATION" },
|
|
{ PJSIP_SC_MULTIPLE_CHOICES, "PJSIP_SC_MULTIPLE_CHOICES", "MULTIPLE_CHOICES" },
|
|
{ PJSIP_SC_MOVED_PERMANENTLY, "PJSIP_SC_MOVED_PERMANENTLY", "MOVED_PERMANENTLY" },
|
|
{ PJSIP_SC_MOVED_TEMPORARILY, "PJSIP_SC_MOVED_TEMPORARILY", "MOVED_TEMPORARILY" },
|
|
{ PJSIP_SC_USE_PROXY, "PJSIP_SC_USE_PROXY", "USE_PROXY" },
|
|
{ PJSIP_SC_ALTERNATIVE_SERVICE, "PJSIP_SC_ALTERNATIVE_SERVICE", "ALTERNATIVE_SERVICE" },
|
|
{ PJSIP_SC_BAD_REQUEST, "PJSIP_SC_BAD_REQUEST", "BAD_REQUEST" },
|
|
{ PJSIP_SC_UNAUTHORIZED, "PJSIP_SC_UNAUTHORIZED", "UNAUTHORIZED" },
|
|
{ PJSIP_SC_PAYMENT_REQUIRED, "PJSIP_SC_PAYMENT_REQUIRED", "PAYMENT_REQUIRED" },
|
|
{ PJSIP_SC_FORBIDDEN, "PJSIP_SC_FORBIDDEN", "FORBIDDEN" },
|
|
{ PJSIP_SC_NOT_FOUND, "PJSIP_SC_NOT_FOUND", "NOT_FOUND" },
|
|
{ PJSIP_SC_METHOD_NOT_ALLOWED, "PJSIP_SC_METHOD_NOT_ALLOWED", "METHOD_NOT_ALLOWED" },
|
|
{ PJSIP_SC_NOT_ACCEPTABLE, "PJSIP_SC_NOT_ACCEPTABLE", "NOT_ACCEPTABLE" },
|
|
{ PJSIP_SC_PROXY_AUTHENTICATION_REQUIRED, "PJSIP_SC_PROXY_AUTHENTICATION_REQUIRED", "PROXY_AUTHENTICATION_REQUIRED" },
|
|
{ PJSIP_SC_REQUEST_TIMEOUT, "PJSIP_SC_REQUEST_TIMEOUT", "REQUEST_TIMEOUT" },
|
|
{ PJSIP_SC_CONFLICT, "PJSIP_SC_CONFLICT", "CONFLICT" },
|
|
{ PJSIP_SC_GONE, "PJSIP_SC_GONE", "GONE" },
|
|
{ PJSIP_SC_LENGTH_REQUIRED, "PJSIP_SC_LENGTH_REQUIRED", "LENGTH_REQUIRED" },
|
|
{ PJSIP_SC_CONDITIONAL_REQUEST_FAILED, "PJSIP_SC_CONDITIONAL_REQUEST_FAILED", "CONDITIONAL_REQUEST_FAILED" },
|
|
{ PJSIP_SC_REQUEST_ENTITY_TOO_LARGE, "PJSIP_SC_REQUEST_ENTITY_TOO_LARGE", "REQUEST_ENTITY_TOO_LARGE" },
|
|
{ PJSIP_SC_REQUEST_URI_TOO_LONG, "PJSIP_SC_REQUEST_URI_TOO_LONG", "REQUEST_URI_TOO_LONG" },
|
|
{ PJSIP_SC_UNSUPPORTED_MEDIA_TYPE, "PJSIP_SC_UNSUPPORTED_MEDIA_TYPE", "UNSUPPORTED_MEDIA_TYPE" },
|
|
{ PJSIP_SC_UNSUPPORTED_URI_SCHEME, "PJSIP_SC_UNSUPPORTED_URI_SCHEME", "UNSUPPORTED_URI_SCHEME" },
|
|
{ PJSIP_SC_UNKNOWN_RESOURCE_PRIORITY, "PJSIP_SC_UNKNOWN_RESOURCE_PRIORITY", "UNKNOWN_RESOURCE_PRIORITY" },
|
|
{ PJSIP_SC_BAD_EXTENSION, "PJSIP_SC_BAD_EXTENSION", "BAD_EXTENSION" },
|
|
{ PJSIP_SC_EXTENSION_REQUIRED, "PJSIP_SC_EXTENSION_REQUIRED", "EXTENSION_REQUIRED" },
|
|
{ PJSIP_SC_SESSION_TIMER_TOO_SMALL, "PJSIP_SC_SESSION_TIMER_TOO_SMALL", "SESSION_TIMER_TOO_SMALL" },
|
|
{ PJSIP_SC_INTERVAL_TOO_BRIEF, "PJSIP_SC_INTERVAL_TOO_BRIEF", "INTERVAL_TOO_BRIEF" },
|
|
{ PJSIP_SC_BAD_LOCATION_INFORMATION, "PJSIP_SC_BAD_LOCATION_INFORMATION", "BAD_LOCATION_INFORMATION" },
|
|
{ PJSIP_SC_USE_IDENTITY_HEADER, "PJSIP_SC_USE_IDENTITY_HEADER", "USE_IDENTITY_HEADER" },
|
|
{ PJSIP_SC_PROVIDE_REFERRER_HEADER, "PJSIP_SC_PROVIDE_REFERRER_HEADER", "PROVIDE_REFERRER_HEADER" },
|
|
{ PJSIP_SC_FLOW_FAILED, "PJSIP_SC_FLOW_FAILED", "FLOW_FAILED" },
|
|
{ PJSIP_SC_ANONIMITY_DISALLOWED, "PJSIP_SC_ANONIMITY_DISALLOWED", "ANONIMITY_DISALLOWED" },
|
|
{ PJSIP_SC_BAD_IDENTITY_INFO, "PJSIP_SC_BAD_IDENTITY_INFO", "BAD_IDENTITY_INFO" },
|
|
{ PJSIP_SC_UNSUPPORTED_CERTIFICATE, "PJSIP_SC_UNSUPPORTED_CERTIFICATE", "UNSUPPORTED_CERTIFICATE" },
|
|
{ PJSIP_SC_INVALID_IDENTITY_HEADER, "PJSIP_SC_INVALID_IDENTITY_HEADER", "INVALID_IDENTITY_HEADER" },
|
|
{ PJSIP_SC_FIRST_HOP_LACKS_OUTBOUND_SUPPORT, "PJSIP_SC_FIRST_HOP_LACKS_OUTBOUND_SUPPORT", "FIRST_HOP_LACKS_OUTBOUND_SUPPORT" },
|
|
{ PJSIP_SC_MAX_BREADTH_EXCEEDED, "PJSIP_SC_MAX_BREADTH_EXCEEDED", "MAX_BREADTH_EXCEEDED" },
|
|
{ PJSIP_SC_BAD_INFO_PACKAGE, "PJSIP_SC_BAD_INFO_PACKAGE", "BAD_INFO_PACKAGE" },
|
|
{ PJSIP_SC_CONSENT_NEEDED, "PJSIP_SC_CONSENT_NEEDED", "CONSENT_NEEDED" },
|
|
{ PJSIP_SC_TEMPORARILY_UNAVAILABLE, "PJSIP_SC_TEMPORARILY_UNAVAILABLE", "TEMPORARILY_UNAVAILABLE" },
|
|
{ PJSIP_SC_CALL_TSX_DOES_NOT_EXIST, "PJSIP_SC_CALL_TSX_DOES_NOT_EXIST", "CALL_TSX_DOES_NOT_EXIST" },
|
|
{ PJSIP_SC_LOOP_DETECTED, "PJSIP_SC_LOOP_DETECTED", "LOOP_DETECTED" },
|
|
{ PJSIP_SC_TOO_MANY_HOPS, "PJSIP_SC_TOO_MANY_HOPS", "TOO_MANY_HOPS" },
|
|
{ PJSIP_SC_ADDRESS_INCOMPLETE, "PJSIP_SC_ADDRESS_INCOMPLETE", "ADDRESS_INCOMPLETE" },
|
|
{ PJSIP_SC_BUSY_HERE, "PJSIP_SC_BUSY_HERE", "BUSY_HERE" },
|
|
{ PJSIP_SC_REQUEST_TERMINATED, "PJSIP_SC_REQUEST_TERMINATED", "REQUEST_TERMINATED" },
|
|
{ PJSIP_SC_NOT_ACCEPTABLE_HERE, "PJSIP_SC_NOT_ACCEPTABLE_HERE", "NOT_ACCEPTABLE_HERE" },
|
|
{ PJSIP_SC_BAD_EVENT, "PJSIP_SC_BAD_EVENT", "BAD_EVENT" },
|
|
{ PJSIP_SC_REQUEST_UPDATED, "PJSIP_SC_REQUEST_UPDATED", "REQUEST_UPDATED" },
|
|
{ PJSIP_SC_REQUEST_PENDING, "PJSIP_SC_REQUEST_PENDING", "REQUEST_PENDING" },
|
|
{ PJSIP_SC_UNDECIPHERABLE, "PJSIP_SC_UNDECIPHERABLE", "UNDECIPHERABLE" },
|
|
{ PJSIP_SC_SECURITY_AGREEMENT_NEEDED, "PJSIP_SC_SECURITY_AGREEMENT_NEEDED", "SECURITY_AGREEMENT_NEEDED" },
|
|
{ PJSIP_SC_INTERNAL_SERVER_ERROR, "PJSIP_SC_INTERNAL_SERVER_ERROR", "INTERNAL_SERVER_ERROR" },
|
|
{ PJSIP_SC_NOT_IMPLEMENTED, "PJSIP_SC_NOT_IMPLEMENTED", "NOT_IMPLEMENTED" },
|
|
{ PJSIP_SC_BAD_GATEWAY, "PJSIP_SC_BAD_GATEWAY", "BAD_GATEWAY" },
|
|
{ PJSIP_SC_SERVICE_UNAVAILABLE, "PJSIP_SC_SERVICE_UNAVAILABLE", "SERVICE_UNAVAILABLE" },
|
|
{ PJSIP_SC_SERVER_TIMEOUT, "PJSIP_SC_SERVER_TIMEOUT", "SERVER_TIMEOUT" },
|
|
{ PJSIP_SC_VERSION_NOT_SUPPORTED, "PJSIP_SC_VERSION_NOT_SUPPORTED", "VERSION_NOT_SUPPORTED" },
|
|
{ PJSIP_SC_MESSAGE_TOO_LARGE, "PJSIP_SC_MESSAGE_TOO_LARGE", "MESSAGE_TOO_LARGE" },
|
|
{ PJSIP_SC_PUSH_NOTIFICATION_SERVICE_NOT_SUPPORTED, "PJSIP_SC_PUSH_NOTIFICATION_SERVICE_NOT_SUPPORTED", "PUSH_NOTIFICATION_SERVICE_NOT_SUPPORTED" },
|
|
{ PJSIP_SC_PRECONDITION_FAILURE, "PJSIP_SC_PRECONDITION_FAILURE", "PRECONDITION_FAILURE" },
|
|
{ PJSIP_SC_BUSY_EVERYWHERE, "PJSIP_SC_BUSY_EVERYWHERE", "BUSY_EVERYWHERE" },
|
|
{ PJSIP_SC_DECLINE, "PJSIP_SC_DECLINE", "DECLINE" },
|
|
{ PJSIP_SC_DOES_NOT_EXIST_ANYWHERE, "PJSIP_SC_DOES_NOT_EXIST_ANYWHERE", "DOES_NOT_EXIST_ANYWHERE" },
|
|
{ PJSIP_SC_NOT_ACCEPTABLE_ANYWHERE, "PJSIP_SC_NOT_ACCEPTABLE_ANYWHERE", "NOT_ACCEPTABLE_ANYWHERE" },
|
|
{ PJSIP_SC_UNWANTED, "PJSIP_SC_UNWANTED", "UNWANTED" },
|
|
{ PJSIP_SC_REJECTED, "PJSIP_SC_REJECTED", "REJECTED" },
|
|
};
|
|
|
|
int ast_sip_str2rc(const char *name)
|
|
{
|
|
int i;
|
|
|
|
if (ast_strlen_zero(name)) {
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_LEN(rc_map); i++) {
|
|
if (strcasecmp(rc_map[i].short_name, name) == 0 ||
|
|
strcasecmp(rc_map[i].long_name, name) == 0) {
|
|
return rc_map[i].code;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
#ifdef TEST_FRAMEWORK
|
|
AST_TEST_DEFINE(xml_sanitization_end_null)
|
|
{
|
|
char sanitized[8];
|
|
|
|
switch (cmd) {
|
|
case TEST_INIT:
|
|
info->name = "xml_sanitization_end_null";
|
|
info->category = "/res/res_pjsip/";
|
|
info->summary = "Ensure XML sanitization works as expected with a long string";
|
|
info->description = "This test sanitizes a string which exceeds the output\n"
|
|
"buffer size. Once done the string is confirmed to be NULL terminated.";
|
|
return AST_TEST_NOT_RUN;
|
|
case TEST_EXECUTE:
|
|
break;
|
|
}
|
|
|
|
ast_sip_sanitize_xml("aaaaaaaaaaaa", sanitized, sizeof(sanitized));
|
|
if (sanitized[7] != '\0') {
|
|
ast_test_status_update(test, "Sanitized XML string is not null-terminated when it should be\n");
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
return AST_TEST_PASS;
|
|
}
|
|
|
|
AST_TEST_DEFINE(xml_sanitization_exceeds_buffer)
|
|
{
|
|
char sanitized[8];
|
|
|
|
switch (cmd) {
|
|
case TEST_INIT:
|
|
info->name = "xml_sanitization_exceeds_buffer";
|
|
info->category = "/res/res_pjsip/";
|
|
info->summary = "Ensure XML sanitization does not exceed buffer when output won't fit";
|
|
info->description = "This test sanitizes a string which before sanitization would\n"
|
|
"fit within the output buffer. After sanitization, however, the string would\n"
|
|
"exceed the buffer. Once done the string is confirmed to be NULL terminated.";
|
|
return AST_TEST_NOT_RUN;
|
|
case TEST_EXECUTE:
|
|
break;
|
|
}
|
|
|
|
ast_sip_sanitize_xml("<><><>&", sanitized, sizeof(sanitized));
|
|
if (sanitized[7] != '\0') {
|
|
ast_test_status_update(test, "Sanitized XML string is not null-terminated when it should be\n");
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
return AST_TEST_PASS;
|
|
}
|
|
#endif
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Reload configuration within a PJSIP thread
|
|
*/
|
|
static int reload_configuration_task(void *obj)
|
|
{
|
|
ast_res_pjsip_reload_configuration();
|
|
ast_res_pjsip_init_options_handling(1);
|
|
ast_sip_initialize_dns();
|
|
return 0;
|
|
}
|
|
|
|
static int unload_pjsip(void *data)
|
|
{
|
|
/*
|
|
* These calls need the pjsip endpoint and serializer to clean up.
|
|
* If they're not set, then there's nothing to clean up anyway.
|
|
*/
|
|
if (ast_pjsip_endpoint && sip_serializer_pool) {
|
|
ast_res_pjsip_cleanup_options_handling();
|
|
ast_res_pjsip_cleanup_message_filter();
|
|
ast_sip_destroy_distributor();
|
|
ast_sip_destroy_transport_management();
|
|
ast_res_pjsip_destroy_configuration();
|
|
ast_sip_destroy_system();
|
|
ast_sip_destroy_global_headers();
|
|
ast_sip_unregister_service(&supplement_module);
|
|
ast_sip_destroy_transport_events();
|
|
}
|
|
|
|
if (monitor_thread) {
|
|
stop_monitor_thread();
|
|
monitor_thread = NULL;
|
|
}
|
|
|
|
if (memory_pool) {
|
|
/* This mimics the behavior of pj_pool_safe_release
|
|
* which was introduced in pjproject 2.6.
|
|
*/
|
|
pj_pool_t *temp_pool = memory_pool;
|
|
|
|
memory_pool = NULL;
|
|
pj_pool_release(temp_pool);
|
|
}
|
|
|
|
ast_pjsip_endpoint = NULL;
|
|
|
|
if (caching_pool.lock) {
|
|
ast_pjproject_caching_pool_destroy(&caching_pool);
|
|
}
|
|
|
|
pj_shutdown();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int load_pjsip(void)
|
|
{
|
|
const unsigned int flags = 0; /* no port, no brackets */
|
|
pj_status_t status;
|
|
|
|
/* The third parameter is just copied from
|
|
* example code from PJLIB. This can be adjusted
|
|
* if necessary.
|
|
*/
|
|
ast_pjproject_caching_pool_init(&caching_pool, NULL, 1024 * 1024);
|
|
if (pjsip_endpt_create(&caching_pool.factory, "SIP", &ast_pjsip_endpoint) != PJ_SUCCESS) {
|
|
ast_log(LOG_ERROR, "Failed to create PJSIP endpoint structure. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
/* PJSIP will automatically try to add a Max-Forwards header. Since we want to control that,
|
|
* we need to stop PJSIP from doing it automatically
|
|
*/
|
|
remove_request_headers(ast_pjsip_endpoint);
|
|
|
|
memory_pool = pj_pool_create(&caching_pool.factory, "SIP", 1024, 1024, NULL);
|
|
if (!memory_pool) {
|
|
ast_log(LOG_ERROR, "Failed to create memory pool for SIP. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!pj_gethostip(pj_AF_INET(), &host_ip_ipv4)) {
|
|
pj_sockaddr_print(&host_ip_ipv4, host_ip_ipv4_string, sizeof(host_ip_ipv4_string), flags);
|
|
ast_verb(3, "Local IPv4 address determined to be: %s\n", host_ip_ipv4_string);
|
|
}
|
|
|
|
if (!pj_gethostip(pj_AF_INET6(), &host_ip_ipv6)) {
|
|
pj_sockaddr_print(&host_ip_ipv6, host_ip_ipv6_string, sizeof(host_ip_ipv6_string), flags);
|
|
ast_verb(3, "Local IPv6 address determined to be: %s\n", host_ip_ipv6_string);
|
|
}
|
|
|
|
pjsip_tsx_layer_init_module(ast_pjsip_endpoint);
|
|
pjsip_ua_init_module(ast_pjsip_endpoint, NULL);
|
|
|
|
monitor_continue = 1;
|
|
status = pj_thread_create(memory_pool, "SIP", (pj_thread_proc *) &monitor_thread_exec,
|
|
NULL, PJ_THREAD_DEFAULT_STACK_SIZE * 2, 0, &monitor_thread);
|
|
if (status != PJ_SUCCESS) {
|
|
ast_log(LOG_ERROR, "Failed to start SIP monitor thread. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
return AST_MODULE_LOAD_SUCCESS;
|
|
|
|
error:
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
/*
|
|
* This is a place holder function to ensure that pjmedia_strerr() is at
|
|
* least directly referenced by this module to ensure that the loader
|
|
* linker will link to the function. If a module only indirectly
|
|
* references a function from another module, such as a callback parameter
|
|
* to a function, the loader linker has been known to miss the link.
|
|
*/
|
|
void never_called_res_pjsip(void);
|
|
void never_called_res_pjsip(void)
|
|
{
|
|
pjmedia_strerror(0, NULL, 0);
|
|
}
|
|
|
|
/* Definitions of media types declared "extern" in res_pjsip.h */
|
|
pjsip_media_type pjsip_media_type_application_json;
|
|
pjsip_media_type pjsip_media_type_application_media_control_xml;
|
|
pjsip_media_type pjsip_media_type_application_pidf_xml;
|
|
pjsip_media_type pjsip_media_type_application_xpidf_xml;
|
|
pjsip_media_type pjsip_media_type_application_cpim_xpidf_xml;
|
|
pjsip_media_type pjsip_media_type_application_rlmi_xml;
|
|
pjsip_media_type pjsip_media_type_application_simple_message_summary;
|
|
pjsip_media_type pjsip_media_type_application_sdp;
|
|
pjsip_media_type pjsip_media_type_multipart_alternative;
|
|
pjsip_media_type pjsip_media_type_multipart_mixed;
|
|
pjsip_media_type pjsip_media_type_multipart_related;
|
|
pjsip_media_type pjsip_media_type_text_plain;
|
|
|
|
static int load_module(void)
|
|
{
|
|
struct ast_threadpool_options options;
|
|
|
|
/* pjproject and config_system need to be initialized before all else */
|
|
if (pj_init() != PJ_SUCCESS) {
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
if (pjlib_util_init() != PJ_SUCCESS) {
|
|
goto error;
|
|
}
|
|
|
|
/* Register PJMEDIA error codes for SDP parsing errors */
|
|
if (pj_register_strerror(PJMEDIA_ERRNO_START, PJ_ERRNO_SPACE_SIZE, pjmedia_strerror)
|
|
!= PJ_SUCCESS) {
|
|
ast_log(LOG_WARNING, "Failed to register pjmedia error codes. Codes will not be decoded.\n");
|
|
}
|
|
|
|
/* Initialize common media types */
|
|
pjsip_media_type_init2(&pjsip_media_type_application_json, "application", "json");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_media_control_xml, "application", "media_control+xml");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_pidf_xml, "application", "pidf+xml");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_xpidf_xml, "application", "xpidf+xml");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_cpim_xpidf_xml, "application", "cpim-xpidf+xml");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_rlmi_xml, "application", "rlmi+xml");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_sdp, "application", "sdp");
|
|
pjsip_media_type_init2(&pjsip_media_type_application_simple_message_summary, "application", "simple-message-summary");
|
|
pjsip_media_type_init2(&pjsip_media_type_multipart_alternative, "multipart", "alternative");
|
|
pjsip_media_type_init2(&pjsip_media_type_multipart_mixed, "multipart", "mixed");
|
|
pjsip_media_type_init2(&pjsip_media_type_multipart_related, "multipart", "related");
|
|
pjsip_media_type_init2(&pjsip_media_type_text_plain, "text", "plain");
|
|
|
|
|
|
if (ast_sip_initialize_system()) {
|
|
ast_log(LOG_ERROR, "Failed to initialize SIP 'system' configuration section. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
/* The serializer needs threadpool and threadpool needs pjproject to be initialized so it's next */
|
|
sip_get_threadpool_options(&options);
|
|
options.thread_start = sip_thread_start;
|
|
sip_threadpool = ast_threadpool_create("pjsip", NULL, &options);
|
|
if (!sip_threadpool) {
|
|
goto error;
|
|
}
|
|
|
|
sip_serializer_pool = ast_serializer_pool_create(
|
|
"pjsip/default", SERIALIZER_POOL_SIZE, sip_threadpool, -1);
|
|
if (!sip_serializer_pool) {
|
|
ast_log(LOG_ERROR, "Failed to create SIP serializer pool. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
if (ast_sip_initialize_scheduler()) {
|
|
ast_log(LOG_ERROR, "Failed to start scheduler. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
/* Now load all the pjproject infrastructure. */
|
|
if (load_pjsip()) {
|
|
goto error;
|
|
}
|
|
|
|
if (ast_sip_initialize_transport_events()) {
|
|
ast_log(LOG_ERROR, "Failed to initialize SIP transport monitor. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
ast_sip_initialize_dns();
|
|
ast_sip_initialize_global_headers();
|
|
|
|
if (ast_res_pjsip_preinit_options_handling()) {
|
|
ast_log(LOG_ERROR, "Failed to pre-initialize OPTIONS handling. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
if (ast_res_pjsip_initialize_configuration()) {
|
|
ast_log(LOG_ERROR, "Failed to initialize SIP configuration. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
ast_sip_initialize_resolver();
|
|
ast_sip_initialize_dns();
|
|
|
|
if (ast_sip_initialize_transport_management()) {
|
|
ast_log(LOG_ERROR, "Failed to initialize SIP transport management. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
if (ast_sip_initialize_distributor()) {
|
|
ast_log(LOG_ERROR, "Failed to register distributor module. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
if (ast_sip_register_service(&supplement_module)) {
|
|
ast_log(LOG_ERROR, "Failed to initialize supplement hooks. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
if (ast_res_pjsip_init_options_handling(0)) {
|
|
ast_log(LOG_ERROR, "Failed to initialize OPTIONS handling. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* It is OK to prune the contacts now that
|
|
* ast_res_pjsip_init_options_handling() has added the contact observer
|
|
* of res/res_pjsip/pjsip_options.c to sorcery (to ensure that any
|
|
* pruned contacts are removed from this module's data structure).
|
|
*/
|
|
ast_sip_location_prune_boot_contacts();
|
|
|
|
if (ast_res_pjsip_init_message_filter()) {
|
|
ast_log(LOG_ERROR, "Failed to initialize message IP updating. Aborting load\n");
|
|
goto error;
|
|
}
|
|
|
|
ast_cli_register_multiple(cli_commands, ARRAY_LEN(cli_commands));
|
|
|
|
AST_TEST_REGISTER(xml_sanitization_end_null);
|
|
AST_TEST_REGISTER(xml_sanitization_exceeds_buffer);
|
|
|
|
return AST_MODULE_LOAD_SUCCESS;
|
|
|
|
error:
|
|
unload_pjsip(NULL);
|
|
|
|
/* These functions all check for NULLs and are safe to call at any time */
|
|
ast_sip_destroy_scheduler();
|
|
ast_serializer_pool_destroy(sip_serializer_pool);
|
|
ast_threadpool_shutdown(sip_threadpool);
|
|
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
static int reload_module(void)
|
|
{
|
|
/*
|
|
* We must wait for the reload to complete so multiple
|
|
* reloads cannot happen at the same time.
|
|
*/
|
|
if (ast_sip_push_task_wait_servant(NULL, reload_configuration_task, NULL)) {
|
|
ast_log(LOG_WARNING, "Failed to reload PJSIP\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
AST_TEST_UNREGISTER(xml_sanitization_end_null);
|
|
AST_TEST_UNREGISTER(xml_sanitization_exceeds_buffer);
|
|
ast_cli_unregister_multiple(cli_commands, ARRAY_LEN(cli_commands));
|
|
|
|
/* The thread this is called from cannot call PJSIP/PJLIB functions,
|
|
* so we have to push the work to the threadpool to handle
|
|
*/
|
|
ast_sip_push_task_wait_servant(NULL, unload_pjsip, NULL);
|
|
ast_sip_destroy_scheduler();
|
|
ast_serializer_pool_destroy(sip_serializer_pool);
|
|
ast_threadpool_shutdown(sip_threadpool);
|
|
|
|
return 0;
|
|
}
|
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS | AST_MODFLAG_LOAD_ORDER, "Basic SIP resource",
|
|
.support_level = AST_MODULE_SUPPORT_CORE,
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload_module,
|
|
.load_pri = AST_MODPRI_CHANNEL_DEPEND - 5,
|
|
.requires = "dnsmgr,res_pjproject,res_sorcery_config,res_sorcery_memory,res_sorcery_astdb",
|
|
.optional_modules = "res_geolocation,res_statsd",
|
|
);
|