Replace usage of ao2_container_alloc with ao2_container_alloc_hash or ao2_container_alloc_list. Remove ao2_container_alloc macro. Change-Id: I0907d78bc66efc775672df37c8faad00f2f6c088
1674 lines
50 KiB
C
1674 lines
50 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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* Joshua Colp <jcolp@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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#include "asterisk.h"
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#include <math.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 "asterisk/res_pjsip_cli.h"
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#include "asterisk/logger.h"
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#include "asterisk/astobj2.h"
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#include "asterisk/sorcery.h"
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#include "asterisk/acl.h"
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#include "asterisk/utils.h"
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#include "include/res_pjsip_private.h"
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/* We're only using a #define from http_websocket.h, no OPTIONAL_API symbols are used. */
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#include "asterisk/http_websocket.h"
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#define MAX_POINTER_STRING 33
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/*! \brief Default number of state container buckets */
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#define DEFAULT_STATE_BUCKETS 53
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static struct ao2_container *transport_states;
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struct internal_state {
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char *id;
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/*! Set if there was a change detected */
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int change_detected;
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/*! \brief Transport configuration object */
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struct ast_sip_transport *transport;
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/*! \brief Transport state information */
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struct ast_sip_transport_state *state;
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};
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static void temp_state_store_cleanup(void *data)
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{
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struct ast_sip_transport_state **temp_state = data;
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ao2_cleanup(*temp_state);
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ast_free(data);
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}
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AST_THREADSTORAGE_CUSTOM(temp_state_store, NULL, temp_state_store_cleanup);
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/*! \brief hashing function for state objects */
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static int internal_state_hash(const void *obj, const int flags)
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{
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const struct internal_state *object;
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const char *key;
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switch (flags & OBJ_SEARCH_MASK) {
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case OBJ_SEARCH_KEY:
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key = obj;
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break;
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case OBJ_SEARCH_OBJECT:
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object = obj;
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key = object->id;
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break;
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default:
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ast_assert(0);
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return 0;
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}
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return ast_str_hash(key);
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}
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/*! \brief comparator function for state objects */
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static int internal_state_cmp(void *obj, void *arg, int flags)
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{
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const struct internal_state *object_left = obj;
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const struct internal_state *object_right = arg;
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const char *right_key = arg;
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int cmp;
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switch (flags & OBJ_SEARCH_MASK) {
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case OBJ_SEARCH_OBJECT:
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right_key = object_right->id;
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/* Fall through */
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case OBJ_SEARCH_KEY:
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cmp = strcmp(object_left->id, right_key);
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break;
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case OBJ_SEARCH_PARTIAL_KEY:
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/* Not supported by container. */
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ast_assert(0);
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return 0;
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default:
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cmp = 0;
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break;
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}
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if (cmp) {
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return 0;
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}
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return CMP_MATCH;
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}
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/*! \brief hashing function for state objects */
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static int transport_state_hash(const void *obj, const int flags)
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{
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const struct ast_sip_transport_state *object;
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const char *key;
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switch (flags & OBJ_SEARCH_MASK) {
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case OBJ_SEARCH_KEY:
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key = obj;
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break;
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case OBJ_SEARCH_OBJECT:
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object = obj;
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key = object->id;
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break;
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default:
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ast_assert(0);
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return 0;
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}
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return ast_str_hash(key);
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}
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/*! \brief comparator function for state objects */
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static int transport_state_cmp(void *obj, void *arg, int flags)
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{
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const struct ast_sip_transport_state *object_left = obj;
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const struct ast_sip_transport_state *object_right = arg;
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const char *right_key = arg;
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int cmp;
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switch (flags & OBJ_SEARCH_MASK) {
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case OBJ_SEARCH_OBJECT:
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right_key = object_right->id;
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/* Fall through */
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case OBJ_SEARCH_KEY:
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cmp = strcmp(object_left->id, right_key);
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break;
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case OBJ_SEARCH_PARTIAL_KEY:
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/* Not supported by container. */
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ast_assert(0);
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return 0;
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default:
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cmp = 0;
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break;
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}
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if (cmp) {
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return 0;
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}
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return CMP_MATCH;
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}
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static int sip_transport_to_ami(const struct ast_sip_transport *transport,
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struct ast_str **buf)
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{
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return ast_sip_sorcery_object_to_ami(transport, buf);
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}
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static int format_ami_endpoint_transport(const struct ast_sip_endpoint *endpoint,
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struct ast_sip_ami *ami)
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{
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RAII_VAR(struct ast_str *, buf, NULL, ast_free);
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RAII_VAR(struct ast_sip_transport *, transport, NULL, ao2_cleanup);
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if (ast_strlen_zero(endpoint->transport)) {
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return 0;
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}
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buf = ast_sip_create_ami_event("TransportDetail", ami);
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if (!buf) {
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return -1;
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}
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transport = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "transport",
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endpoint->transport);
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if (!transport) {
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astman_send_error_va(ami->s, ami->m, "Unable to retrieve "
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"transport %s\n", endpoint->transport);
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return -1;
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}
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sip_transport_to_ami(transport, &buf);
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ast_str_append(&buf, 0, "EndpointName: %s\r\n",
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ast_sorcery_object_get_id(endpoint));
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astman_append(ami->s, "%s\r\n", ast_str_buffer(buf));
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ami->count++;
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return 0;
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}
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struct ast_sip_endpoint_formatter endpoint_transport_formatter = {
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.format_ami = format_ami_endpoint_transport
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};
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int ast_sip_transport_state_set_transport(const char *transport_name, pjsip_transport *transport)
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{
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struct ast_sip_transport_state *transport_state;
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/* To make it easier on callers we allow an empty transport name */
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if (ast_strlen_zero(transport_name)) {
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return 0;
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}
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transport_state = ast_sip_get_transport_state(transport_name);
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if (!transport_state) {
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return -1;
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}
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if (!transport_state->flow) {
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ao2_ref(transport_state, -1);
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return 0;
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}
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ao2_lock(transport_state);
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if (transport_state->transport != transport) {
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if (transport_state->transport) {
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pjsip_transport_dec_ref(transport_state->transport);
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}
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transport_state->transport = transport;
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if (transport_state->transport) {
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pjsip_transport_add_ref(transport_state->transport);
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}
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}
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ao2_unlock(transport_state);
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ao2_ref(transport_state, -1);
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return 0;
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}
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int ast_sip_transport_state_set_preferred_identity(const char *transport_name, const char *identity)
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{
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struct ast_sip_transport_state *transport_state;
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if (ast_strlen_zero(transport_name)) {
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return 0;
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}
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transport_state = ast_sip_get_transport_state(transport_name);
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if (!transport_state) {
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return -1;
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}
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if (!transport_state->flow) {
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ao2_ref(transport_state, -1);
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return 0;
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}
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ao2_lock(transport_state);
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ast_free(transport_state->preferred_identity);
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transport_state->preferred_identity = ast_strdup(identity);
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ao2_unlock(transport_state);
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ao2_ref(transport_state, -1);
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return 0;
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}
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int ast_sip_transport_state_set_service_routes(const char *transport_name, struct ast_sip_service_route_vector *service_routes)
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{
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struct ast_sip_transport_state *transport_state;
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if (ast_strlen_zero(transport_name)) {
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ast_sip_service_route_vector_destroy(service_routes);
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return 0;
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}
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transport_state = ast_sip_get_transport_state(transport_name);
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if (!transport_state) {
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ast_sip_service_route_vector_destroy(service_routes);
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return -1;
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}
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if (!transport_state->flow) {
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ao2_ref(transport_state, -1);
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ast_sip_service_route_vector_destroy(service_routes);
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return 0;
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}
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ao2_lock(transport_state);
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ast_sip_service_route_vector_destroy(transport_state->service_routes);
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transport_state->service_routes = service_routes;
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ao2_unlock(transport_state);
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ao2_ref(transport_state, -1);
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return 0;
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}
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void ast_sip_message_apply_transport(const char *transport_name, pjsip_tx_data *tdata)
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{
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struct ast_sip_transport_state *transport_state;
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if (ast_strlen_zero(transport_name)) {
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return;
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}
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/* We only currently care about requests that are of the INVITE, CANCEL, or OPTIONS
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* type but in the future we could support other messages.
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*/
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if (tdata->msg->type != PJSIP_REQUEST_MSG ||
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(pjsip_method_cmp(&tdata->msg->line.req.method, &pjsip_invite_method) &&
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pjsip_method_cmp(&tdata->msg->line.req.method, &pjsip_cancel_method) &&
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pjsip_method_cmp(&tdata->msg->line.req.method, &pjsip_options_method))) {
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return;
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}
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transport_state = ast_sip_get_transport_state(transport_name);
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if (!transport_state) {
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return;
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}
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if (!transport_state->flow) {
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ao2_ref(transport_state, -1);
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return;
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}
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ao2_lock(transport_state);
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/* If a Preferred Identity has been set then add it to the request */
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if (transport_state->preferred_identity) {
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ast_sip_add_header(tdata, "P-Preferred-Identity", transport_state->preferred_identity);
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}
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/* If Service Routes have been set then add them to the request */
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if (transport_state->service_routes) {
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int idx;
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for (idx = 0; idx < AST_VECTOR_SIZE(transport_state->service_routes); ++idx) {
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char *service_route = AST_VECTOR_GET(transport_state->service_routes, idx);
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ast_sip_add_header(tdata, "Route", service_route);
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}
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}
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ao2_unlock(transport_state);
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ao2_ref(transport_state, -1);
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}
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struct ast_sip_service_route_vector *ast_sip_service_route_vector_alloc(void)
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{
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struct ast_sip_service_route_vector *service_routes;
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service_routes = ast_calloc(1, sizeof(*service_routes));
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if (!service_routes) {
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return NULL;
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}
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AST_VECTOR_INIT(service_routes, 0);
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return service_routes;
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}
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void ast_sip_service_route_vector_destroy(struct ast_sip_service_route_vector *service_routes)
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{
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if (!service_routes) {
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return;
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}
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AST_VECTOR_CALLBACK_VOID(service_routes, ast_free);
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ast_free(service_routes);
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}
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static void set_qos(struct ast_sip_transport *transport, pj_qos_params *qos)
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{
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int tos_as_dscp = transport->tos >> 2;
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if (transport->tos) {
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qos->flags |= PJ_QOS_PARAM_HAS_DSCP;
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qos->dscp_val = tos_as_dscp;
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}
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if (transport->cos) {
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qos->flags |= PJ_QOS_PARAM_HAS_SO_PRIO;
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qos->so_prio = transport->cos;
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}
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}
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/*! \brief Destructor for transport */
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static void sip_transport_destroy(void *obj)
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{
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struct ast_sip_transport *transport = obj;
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ast_string_field_free_memory(transport);
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}
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/*! \brief Allocator for transport */
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static void *sip_transport_alloc(const char *name)
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{
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struct ast_sip_transport *transport = ast_sorcery_generic_alloc(sizeof(*transport), sip_transport_destroy);
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if (!transport) {
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return NULL;
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}
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if (ast_string_field_init(transport, 256)) {
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ao2_cleanup(transport);
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return NULL;
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}
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return transport;
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}
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static int destroy_sip_transport_state(void *data)
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{
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struct ast_sip_transport_state *transport_state = data;
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ast_free(transport_state->id);
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ast_free_ha(transport_state->localnet);
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if (transport_state->external_signaling_address_refresher) {
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ast_dnsmgr_release(transport_state->external_signaling_address_refresher);
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}
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if (transport_state->external_media_address_refresher) {
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ast_dnsmgr_release(transport_state->external_media_address_refresher);
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}
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if (transport_state->transport) {
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pjsip_transport_shutdown(transport_state->transport);
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}
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return 0;
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}
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/*! \brief Destructor for ast_sip_transport state information */
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static void sip_transport_state_destroy(void *obj)
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{
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struct ast_sip_transport_state *state = obj;
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ast_sip_push_task_wait_servant(NULL, destroy_sip_transport_state, state);
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}
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/*! \brief Destructor for ast_sip_transport state information */
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static void internal_state_destroy(void *obj)
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{
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struct internal_state *state = obj;
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ast_free(state->id);
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ao2_cleanup(state->transport);
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ao2_cleanup(state->state);
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}
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static struct internal_state *find_internal_state_by_transport(const struct ast_sip_transport *transport)
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{
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const char *key = ast_sorcery_object_get_id(transport);
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return ao2_find(transport_states, key, OBJ_SEARCH_KEY | OBJ_NOLOCK);
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}
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static struct ast_sip_transport_state *find_state_by_transport(const struct ast_sip_transport *transport)
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{
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struct internal_state *state;
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struct ast_sip_transport_state *trans_state;
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state = find_internal_state_by_transport(transport);
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if (!state) {
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return NULL;
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}
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trans_state = ao2_bump(state->state);
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ao2_ref(state, -1);
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return trans_state;
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}
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static int remove_temporary_state(void)
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{
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struct ast_sip_transport_state **state;
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state = ast_threadstorage_get(&temp_state_store, sizeof(state));
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if (!state) {
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return -1;
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}
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ao2_cleanup(*state);
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*state = NULL;
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return 0;
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}
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static struct ast_sip_transport_state *find_temporary_state(struct ast_sip_transport *transport)
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{
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struct ast_sip_transport_state **state;
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state = ast_threadstorage_get(&temp_state_store, sizeof(state));
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if (state && *state) {
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ao2_ref(*state, +1);
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return *state;
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}
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return NULL;
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}
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static struct internal_state *internal_state_alloc(struct ast_sip_transport *transport)
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{
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struct internal_state *internal_state;
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internal_state = ao2_alloc(sizeof(*internal_state), internal_state_destroy);
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if (!internal_state) {
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return NULL;
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}
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internal_state->id = ast_strdup(ast_sorcery_object_get_id(transport));
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if (!internal_state->id) {
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ao2_cleanup(internal_state);
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return NULL;
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}
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|
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/* We're transferring the reference from find_temporary_state */
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internal_state->state = find_temporary_state(transport);
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if (!internal_state->state) {
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ao2_cleanup(internal_state);
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return NULL;
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}
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internal_state->transport = ao2_bump(transport);
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internal_state->transport->state = internal_state->state;
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remove_temporary_state();
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return internal_state;
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}
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|
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/*!
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* \internal
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* \brief Should only be called by the individual field handlers
|
|
*/
|
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static struct ast_sip_transport_state *find_or_create_temporary_state(struct ast_sip_transport *transport)
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{
|
|
struct ast_sip_transport_state **state;
|
|
struct ast_sip_transport_state *new_state;
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|
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if ((new_state = find_temporary_state(transport))) {
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return new_state;
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}
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|
|
state = ast_threadstorage_get(&temp_state_store, sizeof(state));
|
|
if (!state || *state) {
|
|
return NULL;
|
|
}
|
|
|
|
new_state = ao2_alloc(sizeof(**state), sip_transport_state_destroy);
|
|
if (!new_state) {
|
|
return NULL;
|
|
}
|
|
new_state->id = ast_strdup(ast_sorcery_object_get_id(transport));
|
|
new_state->type = transport->type;
|
|
|
|
pjsip_tls_setting_default(&new_state->tls);
|
|
#ifdef HAVE_PJSIP_TLS_TRANSPORT_PROTO
|
|
/* proto must be forced to 0 to enable all protocols otherwise only TLS will work */
|
|
new_state->tls.proto = 0;
|
|
#endif
|
|
new_state->tls.ciphers = new_state->ciphers;
|
|
|
|
ao2_ref(new_state, +1);
|
|
*state = new_state;
|
|
|
|
return new_state;
|
|
}
|
|
|
|
static void copy_state_to_transport(struct ast_sip_transport *transport)
|
|
{
|
|
ast_assert(transport && transport->state);
|
|
|
|
memcpy(&transport->host, &transport->state->host, sizeof(transport->host));
|
|
memcpy(&transport->tls, &transport->state->tls, sizeof(transport->tls));
|
|
memcpy(&transport->ciphers, &transport->state->ciphers, sizeof(transport->ciphers));
|
|
transport->localnet = transport->state->localnet;
|
|
transport->external_address_refresher = transport->state->external_signaling_address_refresher;
|
|
memcpy(&transport->external_address, &transport->state->external_signaling_address, sizeof(transport->external_signaling_address));
|
|
}
|
|
|
|
static int has_state_changed(struct ast_sip_transport_state *a, struct ast_sip_transport_state *b)
|
|
{
|
|
if (a->type != b->type) {
|
|
return -1;
|
|
}
|
|
|
|
if (pj_sockaddr_cmp(&a->host, &b->host)) {
|
|
return -1;
|
|
}
|
|
|
|
if ((a->localnet || b->localnet)
|
|
&& ((!a->localnet != !b->localnet)
|
|
|| ast_sockaddr_cmp(&a->localnet->addr, &b->localnet->addr)
|
|
|| ast_sockaddr_cmp(&a->localnet->netmask, &b->localnet->netmask)))
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
if (ast_sockaddr_cmp(&a->external_signaling_address, &b->external_signaling_address)) {
|
|
return -1;
|
|
}
|
|
|
|
if (ast_sockaddr_cmp(&a->external_media_address, &b->external_media_address)) {
|
|
return -1;
|
|
}
|
|
|
|
if (a->tls.method != b->tls.method
|
|
|| a->tls.ciphers_num != b->tls.ciphers_num
|
|
#ifdef HAVE_PJSIP_TLS_TRANSPORT_PROTO
|
|
|| a->tls.proto != b->tls.proto
|
|
#endif
|
|
|| a->tls.verify_client != b->tls.verify_client
|
|
|| a->tls.verify_server != b->tls.verify_server
|
|
|| a->tls.require_client_cert != b->tls.require_client_cert) {
|
|
return -1;
|
|
}
|
|
|
|
if (memcmp(a->ciphers, b->ciphers, sizeof(pj_ssl_cipher) * fmax(a->tls.ciphers_num, b->tls.ciphers_num))) {
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void states_cleanup(void *states)
|
|
{
|
|
if (states) {
|
|
ao2_unlock(states);
|
|
}
|
|
}
|
|
|
|
/*! \brief Apply handler for transports */
|
|
static int transport_apply(const struct ast_sorcery *sorcery, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
const char *transport_id = ast_sorcery_object_get_id(obj);
|
|
RAII_VAR(struct ao2_container *, states, transport_states, states_cleanup);
|
|
RAII_VAR(struct internal_state *, temp_state, NULL, ao2_cleanup);
|
|
RAII_VAR(struct internal_state *, perm_state, NULL, ao2_cleanup);
|
|
RAII_VAR(struct ast_variable *, changes, NULL, ast_variables_destroy);
|
|
pj_status_t res = -1;
|
|
int i;
|
|
#define BIND_TRIES 3
|
|
#define BIND_DELAY_US 100000
|
|
|
|
if (!states) {
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* transport_apply gets called for EVERY retrieval of a transport when using realtime.
|
|
* We need to prevent multiple threads from trying to mess with underlying transports
|
|
* at the same time. The container is the only thing we have to lock on.
|
|
*/
|
|
ao2_wrlock(states);
|
|
|
|
temp_state = internal_state_alloc(transport);
|
|
if (!temp_state) {
|
|
ast_log(LOG_ERROR, "Transport '%s' failed to allocate memory\n", transport_id);
|
|
return -1;
|
|
}
|
|
|
|
perm_state = find_internal_state_by_transport(transport);
|
|
if (perm_state) {
|
|
ast_sorcery_diff(sorcery, perm_state->transport, transport, &changes);
|
|
if (!changes && !has_state_changed(perm_state->state, temp_state->state)) {
|
|
/* In case someone is using the deprecated fields, reset them */
|
|
transport->state = perm_state->state;
|
|
copy_state_to_transport(transport);
|
|
ao2_replace(perm_state->transport, transport);
|
|
return 0;
|
|
}
|
|
|
|
if (!transport->allow_reload && !transport->flow) {
|
|
if (!perm_state->change_detected) {
|
|
perm_state->change_detected = 1;
|
|
ast_log(LOG_WARNING, "Transport '%s' is not reloadable, maintaining previous values\n", transport_id);
|
|
}
|
|
/* In case someone is using the deprecated fields, reset them */
|
|
transport->state = perm_state->state;
|
|
copy_state_to_transport(transport);
|
|
ao2_replace(perm_state->transport, transport);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (!transport->flow) {
|
|
if (temp_state->state->host.addr.sa_family != PJ_AF_INET && temp_state->state->host.addr.sa_family != PJ_AF_INET6) {
|
|
ast_log(LOG_ERROR, "Transport '%s' could not be started as binding not specified\n", transport_id);
|
|
return -1;
|
|
}
|
|
|
|
/* Set default port if not present */
|
|
if (!pj_sockaddr_get_port(&temp_state->state->host)) {
|
|
pj_sockaddr_set_port(&temp_state->state->host, (transport->type == AST_TRANSPORT_TLS) ? 5061 : 5060);
|
|
}
|
|
}
|
|
|
|
/* Now that we know what address family we can set up a dnsmgr refresh for the external addresses if present */
|
|
if (!ast_strlen_zero(transport->external_signaling_address)) {
|
|
if (temp_state->state->host.addr.sa_family == pj_AF_INET()) {
|
|
temp_state->state->external_signaling_address.ss.ss_family = AF_INET;
|
|
} else if (temp_state->state->host.addr.sa_family == pj_AF_INET6()) {
|
|
temp_state->state->external_signaling_address.ss.ss_family = AF_INET6;
|
|
} else {
|
|
ast_log(LOG_ERROR, "Unknown address family for transport '%s', could not get external signaling address\n",
|
|
transport_id);
|
|
return -1;
|
|
}
|
|
|
|
if (ast_dnsmgr_lookup(transport->external_signaling_address, &temp_state->state->external_signaling_address, &temp_state->state->external_signaling_address_refresher, NULL) < 0) {
|
|
ast_log(LOG_ERROR, "Could not create dnsmgr for external signaling address on '%s'\n", transport_id);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!ast_strlen_zero(transport->external_media_address)) {
|
|
if (temp_state->state->host.addr.sa_family == pj_AF_INET()) {
|
|
temp_state->state->external_media_address.ss.ss_family = AF_INET;
|
|
} else if (temp_state->state->host.addr.sa_family == pj_AF_INET6()) {
|
|
temp_state->state->external_media_address.ss.ss_family = AF_INET6;
|
|
} else {
|
|
ast_log(LOG_ERROR, "Unknown address family for transport '%s', could not get external media address\n",
|
|
transport_id);
|
|
return -1;
|
|
}
|
|
|
|
if (ast_dnsmgr_lookup(transport->external_media_address, &temp_state->state->external_media_address, &temp_state->state->external_media_address_refresher, NULL) < 0) {
|
|
ast_log(LOG_ERROR, "Could not create dnsmgr for external media address on '%s'\n", transport_id);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (transport->flow) {
|
|
pj_str_t address;
|
|
|
|
ast_debug(1, "Ignoring any bind configuration on transport '%s' as it is a child of another\n",
|
|
transport_id);
|
|
pj_sockaddr_parse(pj_AF_UNSPEC(), 0, pj_cstr(&address, "0.0.0.0"), &temp_state->state->host);
|
|
|
|
temp_state->state->flow = 1;
|
|
res = PJ_SUCCESS;
|
|
} else if (transport->type == AST_TRANSPORT_UDP) {
|
|
|
|
for (i = 0; i < BIND_TRIES && res != PJ_SUCCESS; i++) {
|
|
if (perm_state && perm_state->state && perm_state->state->transport) {
|
|
pjsip_udp_transport_pause(perm_state->state->transport,
|
|
PJSIP_UDP_TRANSPORT_DESTROY_SOCKET);
|
|
usleep(BIND_DELAY_US);
|
|
}
|
|
|
|
if (temp_state->state->host.addr.sa_family == pj_AF_INET()) {
|
|
res = pjsip_udp_transport_start(ast_sip_get_pjsip_endpoint(),
|
|
&temp_state->state->host.ipv4, NULL, transport->async_operations,
|
|
&temp_state->state->transport);
|
|
} else if (temp_state->state->host.addr.sa_family == pj_AF_INET6()) {
|
|
res = pjsip_udp_transport_start6(ast_sip_get_pjsip_endpoint(),
|
|
&temp_state->state->host.ipv6, NULL, transport->async_operations,
|
|
&temp_state->state->transport);
|
|
}
|
|
}
|
|
|
|
if (res == PJ_SUCCESS) {
|
|
temp_state->state->transport->info = pj_pool_alloc(temp_state->state->transport->pool,
|
|
(AST_SIP_X_AST_TXP_LEN + strlen(transport_id) + 2));
|
|
|
|
sprintf(temp_state->state->transport->info, "%s:%s", AST_SIP_X_AST_TXP, transport_id);
|
|
|
|
if (transport->tos || transport->cos) {
|
|
pj_sock_t sock;
|
|
pj_qos_params qos_params;
|
|
sock = pjsip_udp_transport_get_socket(temp_state->state->transport);
|
|
pj_sock_get_qos_params(sock, &qos_params);
|
|
set_qos(transport, &qos_params);
|
|
pj_sock_set_qos_params(sock, &qos_params);
|
|
}
|
|
}
|
|
} else if (transport->type == AST_TRANSPORT_TCP) {
|
|
pjsip_tcp_transport_cfg cfg;
|
|
static int option = 1;
|
|
|
|
pjsip_tcp_transport_cfg_default(&cfg, temp_state->state->host.addr.sa_family);
|
|
cfg.bind_addr = temp_state->state->host;
|
|
cfg.async_cnt = transport->async_operations;
|
|
set_qos(transport, &cfg.qos_params);
|
|
/* sockopt_params.options is copied to each newly connected socket */
|
|
cfg.sockopt_params.options[0].level = pj_SOL_TCP();
|
|
cfg.sockopt_params.options[0].optname = pj_TCP_NODELAY();
|
|
cfg.sockopt_params.options[0].optval = &option;
|
|
cfg.sockopt_params.options[0].optlen = sizeof(option);
|
|
cfg.sockopt_params.cnt = 1;
|
|
|
|
for (i = 0; i < BIND_TRIES && res != PJ_SUCCESS; i++) {
|
|
if (perm_state && perm_state->state && perm_state->state->factory
|
|
&& perm_state->state->factory->destroy) {
|
|
perm_state->state->factory->destroy(perm_state->state->factory);
|
|
usleep(BIND_DELAY_US);
|
|
}
|
|
|
|
res = pjsip_tcp_transport_start3(ast_sip_get_pjsip_endpoint(), &cfg,
|
|
&temp_state->state->factory);
|
|
}
|
|
} else if (transport->type == AST_TRANSPORT_TLS) {
|
|
static int option = 1;
|
|
|
|
if (transport->async_operations > 1 && ast_compare_versions(pj_get_version(), "2.5.0") < 0) {
|
|
ast_log(LOG_ERROR, "Transport: %s: When protocol=tls and pjproject version < 2.5.0, async_operations can't be > 1\n",
|
|
ast_sorcery_object_get_id(obj));
|
|
return -1;
|
|
}
|
|
|
|
temp_state->state->tls.password = pj_str((char*)transport->password);
|
|
set_qos(transport, &temp_state->state->tls.qos_params);
|
|
|
|
/* sockopt_params.options is copied to each newly connected socket */
|
|
temp_state->state->tls.sockopt_params.options[0].level = pj_SOL_TCP();
|
|
temp_state->state->tls.sockopt_params.options[0].optname = pj_TCP_NODELAY();
|
|
temp_state->state->tls.sockopt_params.options[0].optval = &option;
|
|
temp_state->state->tls.sockopt_params.options[0].optlen = sizeof(option);
|
|
temp_state->state->tls.sockopt_params.cnt = 1;
|
|
|
|
for (i = 0; i < BIND_TRIES && res != PJ_SUCCESS; i++) {
|
|
if (perm_state && perm_state->state && perm_state->state->factory
|
|
&& perm_state->state->factory->destroy) {
|
|
perm_state->state->factory->destroy(perm_state->state->factory);
|
|
usleep(BIND_DELAY_US);
|
|
}
|
|
|
|
res = pjsip_tls_transport_start2(ast_sip_get_pjsip_endpoint(), &temp_state->state->tls,
|
|
&temp_state->state->host, NULL, transport->async_operations,
|
|
&temp_state->state->factory);
|
|
}
|
|
} else if ((transport->type == AST_TRANSPORT_WS) || (transport->type == AST_TRANSPORT_WSS)) {
|
|
if (transport->cos || transport->tos) {
|
|
ast_log(LOG_WARNING, "TOS and COS values ignored for websocket transport\n");
|
|
} else if (!ast_strlen_zero(transport->ca_list_file) || !ast_strlen_zero(transport->ca_list_path) ||
|
|
!ast_strlen_zero(transport->cert_file) || !ast_strlen_zero(transport->privkey_file)) {
|
|
ast_log(LOG_WARNING, "TLS certificate values ignored for websocket transport as they are configured in http.conf\n");
|
|
}
|
|
res = PJ_SUCCESS;
|
|
}
|
|
|
|
if (res != PJ_SUCCESS) {
|
|
char msg[PJ_ERR_MSG_SIZE];
|
|
|
|
pj_strerror(res, msg, sizeof(msg));
|
|
ast_log(LOG_ERROR, "Transport '%s' could not be started: %s\n", ast_sorcery_object_get_id(obj), msg);
|
|
return -1;
|
|
}
|
|
|
|
copy_state_to_transport(transport);
|
|
if (perm_state) {
|
|
ao2_unlink_flags(states, perm_state, OBJ_NOLOCK);
|
|
}
|
|
ao2_link_flags(states, temp_state, OBJ_NOLOCK);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for type just makes sure the state is created */
|
|
static int transport_state_init(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
struct ast_sip_transport_state *state = find_or_create_temporary_state(transport);
|
|
|
|
ao2_cleanup(state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for TLS method setting */
|
|
static int transport_tls_file_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (ast_strlen_zero(var->value)) {
|
|
/* Ignore empty options */
|
|
return 0;
|
|
}
|
|
|
|
if (!ast_file_is_readable(var->value)) {
|
|
ast_log(LOG_ERROR, "Transport: %s: %s %s is either missing or not readable\n",
|
|
ast_sorcery_object_get_id(obj), var->name, var->value);
|
|
return -1;
|
|
}
|
|
|
|
if (!strcasecmp(var->name, "ca_list_file")) {
|
|
state->tls.ca_list_file = pj_str((char*)var->value);
|
|
ast_string_field_set(transport, ca_list_file, var->value);
|
|
} else if (!strcasecmp(var->name, "ca_list_path")) {
|
|
#ifdef HAVE_PJ_SSL_CERT_LOAD_FROM_FILES2
|
|
state->tls.ca_list_path = pj_str((char*)var->value);
|
|
ast_string_field_set(transport, ca_list_path, var->value);
|
|
#else
|
|
ast_log(LOG_WARNING, "Asterisk has been built against a version of pjproject that does not "
|
|
"support the 'ca_list_path' option. Please upgrade to version 2.4 or later.\n");
|
|
#endif
|
|
} else if (!strcasecmp(var->name, "cert_file")) {
|
|
state->tls.cert_file = pj_str((char*)var->value);
|
|
ast_string_field_set(transport, cert_file, var->value);
|
|
} else if (!strcasecmp(var->name, "priv_key_file")) {
|
|
state->tls.privkey_file = pj_str((char*)var->value);
|
|
ast_string_field_set(transport, privkey_file, var->value);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ca_list_file_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
|
|
*buf = ast_strdup(transport->ca_list_file);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ca_list_path_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
|
|
*buf = ast_strdup(transport->ca_list_path);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cert_file_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
|
|
*buf = ast_strdup(transport->cert_file);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int privkey_file_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
|
|
*buf = ast_strdup(transport->privkey_file);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for turning a string protocol into an enum */
|
|
static int transport_protocol_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (!strcasecmp(var->value, "flow")) {
|
|
transport->flow = 1;
|
|
} else {
|
|
if (!strcasecmp(var->value, "udp")) {
|
|
transport->type = AST_TRANSPORT_UDP;
|
|
} else if (!strcasecmp(var->value, "tcp")) {
|
|
transport->type = AST_TRANSPORT_TCP;
|
|
} else if (!strcasecmp(var->value, "tls")) {
|
|
transport->type = AST_TRANSPORT_TLS;
|
|
} else if (!strcasecmp(var->value, "ws")) {
|
|
transport->type = AST_TRANSPORT_WS;
|
|
} else if (!strcasecmp(var->value, "wss")) {
|
|
transport->type = AST_TRANSPORT_WSS;
|
|
} else {
|
|
return -1;
|
|
}
|
|
transport->flow = 0;
|
|
}
|
|
|
|
state->type = transport->type;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *transport_types[] = {
|
|
[AST_TRANSPORT_UDP] = "udp",
|
|
[AST_TRANSPORT_TCP] = "tcp",
|
|
[AST_TRANSPORT_TLS] = "tls",
|
|
[AST_TRANSPORT_WS] = "ws",
|
|
[AST_TRANSPORT_WSS] = "wss"
|
|
};
|
|
|
|
static int transport_protocol_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
|
|
if (transport->flow) {
|
|
*buf = ast_strdup("flow");
|
|
} else if (ARRAY_IN_BOUNDS(transport->type, transport_types)) {
|
|
*buf = ast_strdup(transport_types[transport->type]);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for turning a string bind into a pj_sockaddr */
|
|
static int transport_bind_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
pj_str_t buf;
|
|
int rc;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
rc = pj_sockaddr_parse(pj_AF_UNSPEC(), 0, pj_cstr(&buf, var->value), &state->host);
|
|
|
|
return rc != PJ_SUCCESS ? -1 : 0;
|
|
}
|
|
|
|
static int transport_bind_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (!(*buf = ast_calloc(MAX_OBJECT_FIELD, sizeof(char)))) {
|
|
return -1;
|
|
}
|
|
|
|
/* include port as well as brackets if IPv6 */
|
|
pj_sockaddr_print(&state->host, *buf, MAX_OBJECT_FIELD, 1 | 2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for TLS boolean settings */
|
|
static int transport_tls_bool_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (!strcasecmp(var->name, "verify_server")) {
|
|
state->tls.verify_server = ast_true(var->value) ? PJ_TRUE : PJ_FALSE;
|
|
} else if (!strcasecmp(var->name, "verify_client")) {
|
|
state->tls.verify_client = ast_true(var->value) ? PJ_TRUE : PJ_FALSE;
|
|
} else if (!strcasecmp(var->name, "require_client_cert")) {
|
|
state->tls.require_client_cert = ast_true(var->value) ? PJ_TRUE : PJ_FALSE;
|
|
} else {
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int verify_server_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
*buf = ast_strdup(AST_YESNO(state->tls.verify_server));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int verify_client_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
*buf = ast_strdup(AST_YESNO(state->tls.verify_client));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int require_client_cert_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
*buf = ast_strdup(AST_YESNO(state->tls.require_client_cert));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for TLS method setting */
|
|
static int transport_tls_method_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (ast_strlen_zero(var->value) || !strcasecmp(var->value, "default")) {
|
|
state->tls.method = PJSIP_SSL_DEFAULT_METHOD;
|
|
} else if (!strcasecmp(var->value, "unspecified")) {
|
|
state->tls.method = PJSIP_SSL_UNSPECIFIED_METHOD;
|
|
} else if (!strcasecmp(var->value, "tlsv1")) {
|
|
state->tls.method = PJSIP_TLSV1_METHOD;
|
|
#ifdef HAVE_PJSIP_TLS_TRANSPORT_PROTO
|
|
} else if (!strcasecmp(var->value, "tlsv1_1")) {
|
|
state->tls.method = PJSIP_TLSV1_1_METHOD;
|
|
} else if (!strcasecmp(var->value, "tlsv1_2")) {
|
|
state->tls.method = PJSIP_TLSV1_2_METHOD;
|
|
#endif
|
|
} else if (!strcasecmp(var->value, "sslv2")) {
|
|
state->tls.method = PJSIP_SSLV2_METHOD;
|
|
} else if (!strcasecmp(var->value, "sslv3")) {
|
|
state->tls.method = PJSIP_SSLV3_METHOD;
|
|
} else if (!strcasecmp(var->value, "sslv23")) {
|
|
state->tls.method = PJSIP_SSLV23_METHOD;
|
|
} else {
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *tls_method_map[] = {
|
|
[PJSIP_SSL_UNSPECIFIED_METHOD] = "unspecified",
|
|
[PJSIP_TLSV1_METHOD] = "tlsv1",
|
|
#ifdef HAVE_PJSIP_TLS_TRANSPORT_PROTO
|
|
[PJSIP_TLSV1_1_METHOD] = "tlsv1_1",
|
|
[PJSIP_TLSV1_2_METHOD] = "tlsv1_2",
|
|
#endif
|
|
[PJSIP_SSLV2_METHOD] = "sslv2",
|
|
[PJSIP_SSLV3_METHOD] = "sslv3",
|
|
[PJSIP_SSLV23_METHOD] = "sslv23",
|
|
};
|
|
|
|
static int tls_method_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (ARRAY_IN_BOUNDS(state->tls.method, tls_method_map)) {
|
|
*buf = ast_strdup(tls_method_map[state->tls.method]);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Helper function which turns a cipher name into an identifier */
|
|
static pj_ssl_cipher cipher_name_to_id(const char *name)
|
|
{
|
|
pj_ssl_cipher ciphers[PJ_SSL_SOCK_MAX_CIPHERS];
|
|
unsigned int cipher_num = PJ_ARRAY_SIZE(ciphers);
|
|
unsigned int pos;
|
|
|
|
if (pj_ssl_cipher_get_availables(ciphers, &cipher_num)) {
|
|
return 0;
|
|
}
|
|
|
|
for (pos = 0; pos < cipher_num; ++pos) {
|
|
const char *pos_name = pj_ssl_cipher_name(ciphers[pos]);
|
|
if (pos_name && !strcmp(pos_name, name)) {
|
|
return ciphers[pos];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Add a new cipher to the transport's cipher list array.
|
|
*
|
|
* \param transport Which transport to add the cipher to.
|
|
* \param name Cipher identifier name.
|
|
*
|
|
* \retval 0 on success.
|
|
* \retval -1 on error.
|
|
*/
|
|
static int transport_cipher_add(struct ast_sip_transport_state *state, const char *name)
|
|
{
|
|
pj_ssl_cipher cipher;
|
|
int idx;
|
|
|
|
cipher = cipher_name_to_id(name);
|
|
if (!cipher) {
|
|
/* TODO: Check this over/tweak - it's taken from pjsua for now */
|
|
if (!strnicmp(name, "0x", 2)) {
|
|
pj_str_t cipher_st = pj_str((char *) name + 2);
|
|
cipher = pj_strtoul2(&cipher_st, NULL, 16);
|
|
} else {
|
|
cipher = atoi(name);
|
|
}
|
|
}
|
|
|
|
if (pj_ssl_cipher_is_supported(cipher)) {
|
|
for (idx = state->tls.ciphers_num; idx--;) {
|
|
if (state->ciphers[idx] == cipher) {
|
|
/* The cipher is already in the list. */
|
|
return 0;
|
|
}
|
|
}
|
|
state->ciphers[state->tls.ciphers_num++] = cipher;
|
|
return 0;
|
|
} else {
|
|
ast_log(LOG_ERROR, "Cipher '%s' is unsupported\n", name);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*! \brief Custom handler for TLS cipher setting */
|
|
static int transport_tls_cipher_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
char *parse;
|
|
char *name;
|
|
int res = 0;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
parse = ast_strdupa(S_OR(var->value, ""));
|
|
while ((name = ast_strip(strsep(&parse, ",")))) {
|
|
if (ast_strlen_zero(name)) {
|
|
continue;
|
|
}
|
|
if (ARRAY_LEN(state->ciphers) <= state->tls.ciphers_num) {
|
|
ast_log(LOG_ERROR, "Too many ciphers specified\n");
|
|
res = -1;
|
|
break;
|
|
}
|
|
res |= transport_cipher_add(state, name);
|
|
}
|
|
return res ? -1 : 0;
|
|
}
|
|
|
|
static void cipher_to_str(char **buf, const pj_ssl_cipher *ciphers, unsigned int cipher_num)
|
|
{
|
|
struct ast_str *str;
|
|
unsigned int idx;
|
|
|
|
str = ast_str_create(128);
|
|
if (!str) {
|
|
*buf = NULL;
|
|
return;
|
|
}
|
|
|
|
for (idx = 0; idx < cipher_num; ++idx) {
|
|
ast_str_append(&str, 0, "%s", pj_ssl_cipher_name(ciphers[idx]));
|
|
if (idx < cipher_num - 1) {
|
|
ast_str_append(&str, 0, ", ");
|
|
}
|
|
}
|
|
|
|
*buf = ast_strdup(ast_str_buffer(str));
|
|
ast_free(str);
|
|
}
|
|
|
|
static int transport_tls_cipher_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
cipher_to_str(buf, state->ciphers, state->tls.ciphers_num);
|
|
return *buf ? 0 : -1;
|
|
}
|
|
|
|
static char *handle_pjsip_list_ciphers(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
pj_ssl_cipher ciphers[PJ_SSL_SOCK_MAX_CIPHERS];
|
|
unsigned int cipher_num = PJ_ARRAY_SIZE(ciphers);
|
|
char *buf;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "pjsip list ciphers";
|
|
e->usage = "Usage: pjsip list ciphers\n"
|
|
" List available OpenSSL cipher names.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (pj_ssl_cipher_get_availables(ciphers, &cipher_num) || !cipher_num) {
|
|
buf = NULL;
|
|
} else {
|
|
cipher_to_str(&buf, ciphers, cipher_num);
|
|
}
|
|
|
|
if (!ast_strlen_zero(buf)) {
|
|
ast_cli(a->fd, "Available ciphers: '%s'\n", buf);
|
|
} else {
|
|
ast_cli(a->fd, "No available ciphers\n");
|
|
}
|
|
ast_free(buf);
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
/*! \brief Custom handler for localnet setting */
|
|
static int transport_localnet_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
int error = 0;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_or_create_temporary_state(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
if (ast_strlen_zero(var->value)) {
|
|
ast_free_ha(state->localnet);
|
|
state->localnet = NULL;
|
|
return 0;
|
|
}
|
|
|
|
/* We use only the ast_apply_ha() which defaults to ALLOW
|
|
* ("permit"), so we add DENY rules. */
|
|
if (!(state->localnet = ast_append_ha("deny", var->value, state->localnet, &error))) {
|
|
return -1;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
static int localnet_to_vl(const void *obj, struct ast_variable **fields)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
char str[MAX_OBJECT_FIELD];
|
|
struct ast_variable *head = NULL;
|
|
struct ast_ha *ha;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
for (ha = state->localnet; ha; ha = ha->next) {
|
|
const char *addr = ast_strdupa(ast_sockaddr_stringify_addr(&ha->addr));
|
|
snprintf(str, MAX_OBJECT_FIELD, "%s%s/%s", ha->sense == AST_SENSE_ALLOW ? "!" : "",
|
|
addr, ast_sockaddr_stringify_addr(&ha->netmask));
|
|
|
|
ast_variable_list_append(&head, ast_variable_new("local_net", str, ""));
|
|
}
|
|
|
|
if (head) {
|
|
*fields = head;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int localnet_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
RAII_VAR(struct ast_str *, str, ast_str_create(MAX_OBJECT_FIELD), ast_free);
|
|
const struct ast_sip_transport *transport = obj;
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
ast_ha_join(state->localnet, &str);
|
|
*buf = ast_strdup(ast_str_buffer(str));
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Custom handler for TOS setting */
|
|
static int transport_tos_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
unsigned int value;
|
|
|
|
if (ast_str2tos(var->value, &value)) {
|
|
ast_log(LOG_ERROR, "Error configuring transport '%s' - Could not "
|
|
"interpret 'tos' value '%s'\n",
|
|
ast_sorcery_object_get_id(transport), var->value);
|
|
return -1;
|
|
}
|
|
|
|
if (value % 4) {
|
|
value = value >> 2;
|
|
value = value << 2;
|
|
ast_log(LOG_WARNING,
|
|
"transport '%s' - 'tos' value '%s' uses bits that are "
|
|
"discarded when converted to DSCP. Using equivalent %u instead.\n",
|
|
ast_sorcery_object_get_id(transport), var->value, value);
|
|
}
|
|
|
|
transport->tos = value;
|
|
return 0;
|
|
}
|
|
|
|
static int tos_to_str(const void *obj, const intptr_t *args, char **buf)
|
|
{
|
|
const struct ast_sip_transport *transport = obj;
|
|
|
|
if (ast_asprintf(buf, "%u", transport->tos) == -1) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct ao2_container *cli_get_container(const char *regex)
|
|
{
|
|
RAII_VAR(struct ao2_container *, container, NULL, ao2_cleanup);
|
|
struct ao2_container *s_container;
|
|
|
|
container = ast_sorcery_retrieve_by_regex(ast_sip_get_sorcery(), "transport",
|
|
regex);
|
|
if (!container) {
|
|
return NULL;
|
|
}
|
|
|
|
s_container = ao2_container_alloc_list(AO2_ALLOC_OPT_LOCK_NOLOCK, 0,
|
|
ast_sorcery_object_id_sort, ast_sorcery_object_id_compare);
|
|
if (!s_container) {
|
|
return NULL;
|
|
}
|
|
|
|
if (ao2_container_dup(s_container, container, 0)) {
|
|
ao2_ref(s_container, -1);
|
|
return NULL;
|
|
}
|
|
|
|
return s_container;
|
|
}
|
|
|
|
static int cli_iterate(void *container, ao2_callback_fn callback, void *args)
|
|
{
|
|
const struct ast_sip_endpoint *endpoint = container;
|
|
struct ast_sip_transport *transport = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(),
|
|
"transport", endpoint->transport);
|
|
|
|
if (!transport) {
|
|
return -1;
|
|
}
|
|
|
|
return callback(transport, args, 0);
|
|
}
|
|
|
|
static void *cli_retrieve_by_id(const char *id)
|
|
{
|
|
return ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "transport", id);
|
|
}
|
|
|
|
static int cli_print_header(void *obj, void *arg, int flags)
|
|
{
|
|
struct ast_sip_cli_context *context = arg;
|
|
int indent = CLI_INDENT_TO_SPACES(context->indent_level);
|
|
int filler = CLI_MAX_WIDTH - indent - 61;
|
|
|
|
ast_assert(context->output_buffer != NULL);
|
|
|
|
ast_str_append(&context->output_buffer, 0,
|
|
"%*s: <TransportId........> <Type> <cos> <tos> <BindAddress%*.*s>\n",
|
|
indent, "Transport", filler, filler, CLI_HEADER_FILLER);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cli_print_body(void *obj, void *arg, int flags)
|
|
{
|
|
struct ast_sip_transport *transport = obj;
|
|
struct ast_sip_cli_context *context = arg;
|
|
char hoststr[PJ_INET6_ADDRSTRLEN];
|
|
RAII_VAR(struct ast_sip_transport_state *, state, find_state_by_transport(transport), ao2_cleanup);
|
|
|
|
if (!state) {
|
|
return -1;
|
|
}
|
|
|
|
ast_assert(context->output_buffer != NULL);
|
|
|
|
pj_sockaddr_print(&state->host, hoststr, sizeof(hoststr), 3);
|
|
|
|
ast_str_append(&context->output_buffer, 0, "%*s: %-21s %6s %5u %5u %s\n",
|
|
CLI_INDENT_TO_SPACES(context->indent_level), "Transport",
|
|
ast_sorcery_object_get_id(transport),
|
|
ARRAY_IN_BOUNDS(transport->type, transport_types) ? transport_types[transport->type] : "Unknown",
|
|
transport->cos, transport->tos, hoststr);
|
|
|
|
if (context->show_details
|
|
|| (context->show_details_only_level_0 && context->indent_level == 0)) {
|
|
ast_str_append(&context->output_buffer, 0, "\n");
|
|
ast_sip_cli_print_sorcery_objectset(transport, context, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_cli_entry cli_commands[] = {
|
|
AST_CLI_DEFINE(handle_pjsip_list_ciphers, "List available OpenSSL cipher names"),
|
|
AST_CLI_DEFINE(ast_sip_cli_traverse_objects, "List PJSIP Transports",
|
|
.command = "pjsip list transports",
|
|
.usage = "Usage: pjsip list transports [ like <pattern> ]\n"
|
|
" List the configured PJSIP Transports\n"
|
|
" Optional regular expression pattern is used to filter the list.\n"),
|
|
AST_CLI_DEFINE(ast_sip_cli_traverse_objects, "Show PJSIP Transports",
|
|
.command = "pjsip show transports",
|
|
.usage = "Usage: pjsip show transports [ like <pattern> ]\n"
|
|
" Show the configured PJSIP Transport\n"
|
|
" Optional regular expression pattern is used to filter the list.\n"),
|
|
AST_CLI_DEFINE(ast_sip_cli_traverse_objects, "Show PJSIP Transport",
|
|
.command = "pjsip show transport",
|
|
.usage = "Usage: pjsip show transport <id>\n"
|
|
" Show the configured PJSIP Transport\n"),
|
|
};
|
|
|
|
static struct ast_sip_cli_formatter_entry *cli_formatter;
|
|
|
|
struct ast_sip_transport_state *ast_sip_get_transport_state(const char *transport_id)
|
|
{
|
|
struct internal_state *state = NULL;
|
|
struct ast_sip_transport_state *trans_state;
|
|
|
|
if (!transport_states) {
|
|
return NULL;
|
|
}
|
|
|
|
state = ao2_find(transport_states, transport_id, OBJ_SEARCH_KEY);
|
|
if (!state) {
|
|
return NULL;
|
|
}
|
|
|
|
trans_state = ao2_bump(state->state);
|
|
ao2_ref(state, -1);
|
|
|
|
/* If this is a child transport see if the transport is actually dead */
|
|
if (trans_state->flow) {
|
|
ao2_lock(trans_state);
|
|
if (trans_state->transport && trans_state->transport->is_shutdown == PJ_TRUE) {
|
|
pjsip_transport_dec_ref(trans_state->transport);
|
|
trans_state->transport = NULL;
|
|
}
|
|
ao2_unlock(trans_state);
|
|
}
|
|
|
|
return trans_state;
|
|
}
|
|
|
|
static int populate_transport_states(void *obj, void *arg, int flags)
|
|
{
|
|
struct internal_state *state = obj;
|
|
struct ao2_container *container = arg;
|
|
|
|
ao2_link(container, state->state);
|
|
|
|
return CMP_MATCH;
|
|
}
|
|
|
|
struct ao2_container *ast_sip_get_transport_states(void)
|
|
{
|
|
struct ao2_container *states = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_MUTEX, 0,
|
|
DEFAULT_STATE_BUCKETS, transport_state_hash, NULL, transport_state_cmp);
|
|
|
|
if (!states) {
|
|
return NULL;
|
|
}
|
|
|
|
ao2_callback(transport_states, OBJ_NODATA | OBJ_MULTIPLE, populate_transport_states, states);
|
|
return states;
|
|
}
|
|
|
|
/*! \brief Initialize sorcery with transport support */
|
|
int ast_sip_initialize_sorcery_transport(void)
|
|
{
|
|
struct ast_sorcery *sorcery = ast_sip_get_sorcery();
|
|
struct ao2_container *transports = NULL;
|
|
|
|
/* Create outbound registration states container. */
|
|
transport_states = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_MUTEX, 0,
|
|
DEFAULT_STATE_BUCKETS, internal_state_hash, NULL, internal_state_cmp);
|
|
if (!transport_states) {
|
|
ast_log(LOG_ERROR, "Unable to allocate transport states container\n");
|
|
return -1;
|
|
}
|
|
|
|
ast_sorcery_apply_default(sorcery, "transport", "config", "pjsip.conf,criteria=type=transport");
|
|
|
|
if (ast_sorcery_object_register(sorcery, "transport", sip_transport_alloc, NULL, transport_apply)) {
|
|
return -1;
|
|
}
|
|
|
|
/* Normally type is a OPT_NOOP_T but we're using it to make sure that state is created */
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "type", "", transport_state_init, NULL, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "protocol", "udp", transport_protocol_handler, transport_protocol_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "bind", "", transport_bind_handler, transport_bind_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register(sorcery, "transport", "async_operations", "1", OPT_UINT_T, 0, FLDSET(struct ast_sip_transport, async_operations));
|
|
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "ca_list_file", "", transport_tls_file_handler, ca_list_file_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "ca_list_path", "", transport_tls_file_handler, ca_list_path_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "cert_file", "", transport_tls_file_handler, cert_file_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "priv_key_file", "", transport_tls_file_handler, privkey_file_to_str, NULL, 0, 0);
|
|
|
|
ast_sorcery_object_field_register(sorcery, "transport", "password", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_transport, password));
|
|
ast_sorcery_object_field_register(sorcery, "transport", "external_signaling_address", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_transport, external_signaling_address));
|
|
ast_sorcery_object_field_register(sorcery, "transport", "external_signaling_port", "0", OPT_UINT_T, PARSE_IN_RANGE, FLDSET(struct ast_sip_transport, external_signaling_port), 0, 65535);
|
|
ast_sorcery_object_field_register(sorcery, "transport", "external_media_address", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_transport, external_media_address));
|
|
ast_sorcery_object_field_register(sorcery, "transport", "domain", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_transport, domain));
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "verify_server", "", transport_tls_bool_handler, verify_server_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "verify_client", "", transport_tls_bool_handler, verify_client_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "require_client_cert", "", transport_tls_bool_handler, require_client_cert_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "method", "", transport_tls_method_handler, tls_method_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "cipher", "", transport_tls_cipher_handler, transport_tls_cipher_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "local_net", "", transport_localnet_handler, localnet_to_str, localnet_to_vl, 0, 0);
|
|
ast_sorcery_object_field_register_custom(sorcery, "transport", "tos", "0", transport_tos_handler, tos_to_str, NULL, 0, 0);
|
|
ast_sorcery_object_field_register(sorcery, "transport", "cos", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_transport, cos));
|
|
ast_sorcery_object_field_register(sorcery, "transport", "websocket_write_timeout", AST_DEFAULT_WEBSOCKET_WRITE_TIMEOUT_STR, OPT_INT_T, PARSE_IN_RANGE, FLDSET(struct ast_sip_transport, write_timeout), 1, INT_MAX);
|
|
ast_sorcery_object_field_register(sorcery, "transport", "allow_reload", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_transport, allow_reload));
|
|
ast_sorcery_object_field_register(sorcery, "transport", "symmetric_transport", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_transport, symmetric_transport));
|
|
|
|
ast_sip_register_endpoint_formatter(&endpoint_transport_formatter);
|
|
|
|
cli_formatter = ao2_alloc(sizeof(struct ast_sip_cli_formatter_entry), NULL);
|
|
if (!cli_formatter) {
|
|
ast_log(LOG_ERROR, "Unable to allocate memory for cli formatter\n");
|
|
return -1;
|
|
}
|
|
cli_formatter->name = "transport";
|
|
cli_formatter->print_header = cli_print_header;
|
|
cli_formatter->print_body = cli_print_body;
|
|
cli_formatter->get_container = cli_get_container;
|
|
cli_formatter->iterate = cli_iterate;
|
|
cli_formatter->get_id = ast_sorcery_object_get_id;
|
|
cli_formatter->retrieve_by_id = cli_retrieve_by_id;
|
|
|
|
ast_sip_register_cli_formatter(cli_formatter);
|
|
ast_cli_register_multiple(cli_commands, ARRAY_LEN(cli_commands));
|
|
|
|
/* trigger load of transports from realtime by trying to revrieve them all */
|
|
transports = ast_sorcery_retrieve_by_fields(sorcery, "transport", AST_RETRIEVE_FLAG_ALL | AST_RETRIEVE_FLAG_MULTIPLE, NULL);
|
|
ao2_cleanup(transports);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_sip_destroy_sorcery_transport(void)
|
|
{
|
|
ast_cli_unregister_multiple(cli_commands, ARRAY_LEN(cli_commands));
|
|
ast_sip_unregister_cli_formatter(cli_formatter);
|
|
|
|
ast_sip_unregister_endpoint_formatter(&endpoint_transport_formatter);
|
|
|
|
ao2_ref(transport_states, -1);
|
|
transport_states = NULL;
|
|
|
|
return 0;
|
|
}
|