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141 lines
3.8 KiB
141 lines
3.8 KiB
/*
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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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#include <pjlib.h>
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#include "asterisk/res_pjsip.h"
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#include "include/res_pjsip_private.h"
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#include "asterisk/sorcery.h"
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#include "asterisk/ast_version.h"
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#define DEFAULT_MAX_FORWARDS 70
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#define DEFAULT_USERAGENT_PREFIX "Asterisk PBX"
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#define DEFAULT_OUTBOUND_ENDPOINT "default_outbound_endpoint"
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static char default_useragent[128];
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struct global_config {
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SORCERY_OBJECT(details);
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AST_DECLARE_STRING_FIELDS(
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AST_STRING_FIELD(useragent);
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AST_STRING_FIELD(default_outbound_endpoint);
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/*! Debug logging yes|no|host */
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AST_STRING_FIELD(debug);
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);
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/* Value to put in Max-Forwards header */
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unsigned int max_forwards;
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};
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static void global_destructor(void *obj)
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{
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struct global_config *cfg = obj;
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ast_string_field_free_memory(cfg);
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}
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static void *global_alloc(const char *name)
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{
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struct global_config *cfg = ast_sorcery_generic_alloc(sizeof(*cfg), global_destructor);
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if (!cfg || ast_string_field_init(cfg, 80)) {
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return NULL;
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}
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return cfg;
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}
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static int global_apply(const struct ast_sorcery *sorcery, void *obj)
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{
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struct global_config *cfg = obj;
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char max_forwards[10];
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snprintf(max_forwards, sizeof(max_forwards), "%u", cfg->max_forwards);
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ast_sip_add_global_request_header("Max-Forwards", max_forwards, 1);
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ast_sip_add_global_request_header("User-Agent", cfg->useragent, 1);
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ast_sip_add_global_response_header("Server", cfg->useragent, 1);
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return 0;
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}
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static struct global_config *get_global_cfg(void)
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{
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RAII_VAR(struct ao2_container *, globals, ast_sorcery_retrieve_by_fields(
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ast_sip_get_sorcery(), "global", AST_RETRIEVE_FLAG_MULTIPLE,
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NULL), ao2_cleanup);
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if (!globals) {
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return NULL;
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}
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return ao2_find(globals, NULL, 0);
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}
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char *ast_sip_global_default_outbound_endpoint(void)
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{
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RAII_VAR(struct global_config *, cfg, get_global_cfg(), ao2_cleanup);
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if (!cfg) {
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return NULL;
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}
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return ast_strdup(cfg->default_outbound_endpoint);
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}
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char *ast_sip_get_debug(void)
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{
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char *res;
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struct global_config *cfg = get_global_cfg();
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if (!cfg) {
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return ast_strdup("no");
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}
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res = ast_strdup(cfg->debug);
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ao2_ref(cfg, -1);
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return res;
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}
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int ast_sip_initialize_sorcery_global(void)
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{
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struct ast_sorcery *sorcery = ast_sip_get_sorcery();
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snprintf(default_useragent, sizeof(default_useragent), "%s %s", DEFAULT_USERAGENT_PREFIX, ast_get_version());
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ast_sorcery_apply_default(sorcery, "global", "config", "pjsip.conf,criteria=type=global");
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if (ast_sorcery_object_register(sorcery, "global", global_alloc, NULL, global_apply)) {
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return -1;
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}
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ast_sorcery_object_field_register(sorcery, "global", "type", "", OPT_NOOP_T, 0, 0);
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ast_sorcery_object_field_register(sorcery, "global", "max_forwards", __stringify(DEFAULT_MAX_FORWARDS),
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OPT_UINT_T, 0, FLDSET(struct global_config, max_forwards));
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ast_sorcery_object_field_register(sorcery, "global", "user_agent", default_useragent,
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OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, useragent));
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ast_sorcery_object_field_register(sorcery, "global", "default_outbound_endpoint", DEFAULT_OUTBOUND_ENDPOINT,
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OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, default_outbound_endpoint));
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ast_sorcery_object_field_register(sorcery, "global", "debug", "no",
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OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, debug));
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return 0;
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}
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