119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
|
/*
|
||
|
* Asterisk -- An open source telephony toolkit.
|
||
|
*
|
||
|
* Copyright (C) 2013, malleable, llc.
|
||
|
*
|
||
|
* Sean Bright <sean@malleable.com>
|
||
|
*
|
||
|
* See http://www.asterisk.org for more information about
|
||
|
* the Asterisk project. Please do not directly contact
|
||
|
* any of the maintainers of this project for assistance;
|
||
|
* the project provides a web site, mailing lists and IRC
|
||
|
* channels for your use.
|
||
|
*
|
||
|
* This program is free software, distributed under the terms of
|
||
|
* the GNU General Public License Version 2. See the LICENSE file
|
||
|
* at the top of the source tree.
|
||
|
*/
|
||
|
|
||
|
/*** MODULEINFO
|
||
|
<depend>pjproject</depend>
|
||
|
<depend>res_sip</depend>
|
||
|
<depend>res_sip_session</depend>
|
||
|
<support_level>core</support_level>
|
||
|
***/
|
||
|
|
||
|
#include "asterisk.h"
|
||
|
|
||
|
#include <pjsip.h>
|
||
|
#include <pjsip_ua.h>
|
||
|
|
||
|
#include "asterisk/features.h"
|
||
|
#include "asterisk/res_sip.h"
|
||
|
#include "asterisk/res_sip_session.h"
|
||
|
#include "asterisk/module.h"
|
||
|
#include "asterisk/features_config.h"
|
||
|
|
||
|
static void send_response(struct ast_sip_session *session, int code, struct pjsip_rx_data *rdata)
|
||
|
{
|
||
|
pjsip_tx_data *tdata;
|
||
|
|
||
|
if (pjsip_dlg_create_response(session->inv_session->dlg, rdata, code, NULL, &tdata) == PJ_SUCCESS) {
|
||
|
struct pjsip_transaction *tsx = pjsip_rdata_get_tsx(rdata);
|
||
|
|
||
|
pjsip_dlg_send_response(session->inv_session->dlg, tsx, tdata);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static int handle_incoming_request(struct ast_sip_session *session, struct pjsip_rx_data *rdata)
|
||
|
{
|
||
|
static const pj_str_t rec_str = { "Record", 6 };
|
||
|
pjsip_generic_string_hdr *record;
|
||
|
int feature_res;
|
||
|
char feature_code[AST_FEATURE_MAX_LEN];
|
||
|
char *digit;
|
||
|
|
||
|
record = pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &rec_str, NULL);
|
||
|
|
||
|
/* If we don't have Record header, we have nothing to do */
|
||
|
if (!record || (pj_stricmp2(&record->hvalue, "on") && pj_stricmp2(&record->hvalue, "off"))) {
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
if (!session->channel) {
|
||
|
send_response(session, 481, rdata);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/* Is this endpoint configured with One Touch Recording? */
|
||
|
if (!session->endpoint->one_touch_recording) {
|
||
|
send_response(session, 403, rdata);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
ast_channel_lock(session->channel);
|
||
|
feature_res = ast_get_builtin_feature(session->channel, "automixmon", feature_code, sizeof(feature_code));
|
||
|
ast_channel_unlock(session->channel);
|
||
|
|
||
|
if (feature_res || ast_strlen_zero(feature_code)) {
|
||
|
send_response(session, 403, rdata);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
for (digit = feature_code; *digit; ++digit) {
|
||
|
struct ast_frame f = { AST_FRAME_DTMF, .subclass.integer = *digit, .len = 100 };
|
||
|
ast_queue_frame(session->channel, &f);
|
||
|
}
|
||
|
|
||
|
send_response(session, 200, rdata);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static struct ast_sip_session_supplement info_supplement = {
|
||
|
.method = "INFO",
|
||
|
.incoming_request = handle_incoming_request,
|
||
|
};
|
||
|
|
||
|
static int load_module(void)
|
||
|
{
|
||
|
if (ast_sip_session_register_supplement(&info_supplement)) {
|
||
|
ast_log(LOG_ERROR, "Unable to register One Touch Recording supplement\n");
|
||
|
return AST_MODULE_LOAD_FAILURE;
|
||
|
}
|
||
|
|
||
|
return AST_MODULE_LOAD_SUCCESS;
|
||
|
}
|
||
|
|
||
|
static int unload_module(void)
|
||
|
{
|
||
|
ast_sip_session_unregister_supplement(&info_supplement);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "SIP INFO One Touch Recording Support",
|
||
|
.load = load_module,
|
||
|
.unload = unload_module,
|
||
|
.load_pri = AST_MODPRI_APP_DEPEND,
|
||
|
);
|