116 lines
3.5 KiB
C
Executable File
116 lines
3.5 KiB
C
Executable File
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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#include "options.h"
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extern ctx_t* ctx;
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extern const session_t* session_handle_cmd(cmd_type_t , const opts_L_t*);
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int options_hack_aor(const tsip_response_t* resp);
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int options_handle_event(const tsip_event_t *_event)
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{
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const tsip_options_event_t* opt_event = TSIP_OPTIONS_EVENT(_event);
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const session_t* session;
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tsip_ssession_id_t sid;
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/* Find associated session */
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sid = tsip_ssession_get_id(_event->ss);
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if(!(session = session_get_by_sid(ctx->sessions, sid))) {
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TSK_DEBUG_WARN("Failed to match session event.");
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return -1;
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}
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switch(opt_event->type) {
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case tsip_i_options: /* incoming OPTIONS */
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break;
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case tsip_ao_options: /* answer to outgoing OPTIONS */
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#if HACK_AOR
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if(TSIP_MESSAGE_IS_RESPONSE(_event->sipmessage)) {
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options_hack_aor(_event->sipmessage);
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}
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#endif
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break;
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}
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return 0;
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}
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tsip_ssession_id_t options_handle_cmd(cmd_type_t cmd, const opts_L_t* opts)
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{
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const session_t* session = tsk_null;
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tsip_ssession_id_t id = TSIP_SSESSION_INVALID_ID;
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if(!(session = session_handle_cmd(cmd, opts))) {
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goto bail;
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}
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else {
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id = tsip_ssession_get_id(session->handle);
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}
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/* Execute command */
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switch(cmd) {
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case cmd_options: {
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/* Send SIP OPTIONS */
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tsip_action_handle_t* action_config = action_get_config(opts);
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tsip_api_options_send_options(session->handle,
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TSIP_ACTION_SET_CONFIG(action_config),
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/* Any other TSIP_ACTION_SET_*() macros */
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TSIP_ACTION_SET_NULL());
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TSK_OBJECT_SAFE_FREE(action_config);
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break;
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}
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default:
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/* already handled by session_handle_cmd() */
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break;
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}
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bail:
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return id;
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}
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/* used to hack the AOR. useful for devices behind NATs or emulators (e.g. ANDROID) */
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int options_hack_aor(const tsip_response_t* resp)
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{
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int32_t rport;
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if(resp && resp->firstVia) {
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if(resp->firstVia->rport <=0) {
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char* received_port_ext;
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/* Ericsson SDS
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==> Via: SIP/2.0/TCP 192.168.0.12:49744;rport;branch=z9hG4bK1273100904048;received_port_ext=49744;received=192.168.0.12 */
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if((received_port_ext = tsip_header_get_param_value((const tsip_header_t*)resp->firstVia, "received_port_ext"))) {
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rport = (int32_t)atoi(received_port_ext);
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TSK_FREE(received_port_ext);
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}
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}
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else {
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rport = resp->firstVia->rport;
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}
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tsip_stack_set(ctx->stack,
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TSIP_STACK_SET_AOR(resp->firstVia->received, rport),
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TSIP_STACK_SET_NULL());
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return 0;
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}
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return -1;
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}
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