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openbts-osmo/public-trunk/SIP/SIPMessage.cpp

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/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <ortp/ortp.h>
#include <osipparser2/sdp_message.h>
#include <osipparser2/osip_md5.h>
#include "SIPInterface.h"
#include "SIPUtility.h"
#include "SIPMessage.h"
using namespace std;
using namespace SIP;
#define DEBUG 1
#define MAX_VIA 10
osip_message_t * SIP::sip_register( const char * sip_username, short timeout, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * via_branch, const char * call_id, int cseq) {
char local_port[10];
sprintf(local_port,"%i",wlocal_port);
// Message URI
osip_message_t * request;
osip_message_init(&request);
// FIXME -- Should use the "force_update" function.
request->message_property = 2; // buffer is not synchronized with object
request->sip_method = strdup("REGISTER");
osip_message_set_version(request, strdup("SIP/2.0"));
osip_uri_init(&request->req_uri);
osip_uri_set_host(request->req_uri, strdup(proxy_ip));
// VIA
osip_via_t * via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(local_ip));
via_set_port(via, strdup(local_port));
// VIA BRANCH
osip_via_set_branch(via, strdup(via_branch));
// MAX FORWARDS
osip_message_set_max_forwards(request, strdup("70"));
char * via_str;
osip_via_to_str(via, &via_str);
osip_message_set_via(request, via_str);
// set via
osip_list_add(&request->vias, via, -1);
// FROM
osip_from_init(&request->from);
osip_from_set_displayname(request->from, strdup(sip_username));
// FROM TAG
osip_from_set_tag(request->from, strdup(from_tag));
osip_uri_init(&request->from->url);
osip_uri_set_host(request->from->url, strdup(proxy_ip));
osip_uri_set_username(request->from->url, strdup(sip_username));
// TO
osip_to_init(&request->to);
osip_to_set_displayname(request->to, strdup(sip_username));
osip_uri_init(&request->to->url);
osip_uri_set_host(request->to->url, strdup(proxy_ip));
osip_uri_set_username(request->to->url, strdup(sip_username));
// CALL ID
osip_call_id_init(&request->call_id);
osip_call_id_set_host(request->call_id, strdup(local_ip));
osip_call_id_set_number(request->call_id, strdup(call_id));
// CSEQ
osip_cseq_init(&request->cseq);
osip_cseq_set_method(request->cseq, strdup("REGISTER"));
char temp_buf[14];
sprintf(temp_buf,"%i",cseq);
osip_cseq_set_number(request->cseq, strdup(temp_buf));
// CONTACT
osip_contact_t * con;
osip_to_init(&con);
// CONTACT URI
osip_uri_init(&con->url);
osip_uri_set_host(con->url, strdup(local_ip));
osip_uri_set_port(con->url, strdup(local_port));
osip_uri_set_username(con->url, strdup(sip_username));
char numbuf[10];
sprintf(numbuf,"%d",timeout);
osip_contact_param_add(con, strdup("expires"), strdup(numbuf) );
// add contact
osip_list_add(&request->contacts, con, -1);
// If dont need authentication, return.
return request;
}
osip_message_t * SIP::sip_unregister( const char * sip_username, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * via_branch, const char * call_id, int cseq){
char local_port[10];
sprintf(local_port,"%i",wlocal_port);
// Message URI
osip_message_t * request;
osip_message_init(&request);
// FIXME -- Should use the "force_update" function.
request->message_property = 2;
request->sip_method = strdup("REGISTER");
osip_message_set_version(request, strdup("SIP/2.0"));
osip_uri_init(&request->req_uri);
osip_uri_set_host(request->req_uri, strdup(proxy_ip));
// VIA
osip_via_t * via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(local_ip));
via_set_port(via, strdup(local_port));
// VIA BRANCH
osip_via_set_branch(via, strdup(via_branch));
// MAX FORWARDS
osip_message_set_max_forwards(request, strdup("70"));
// add via
osip_list_add(&request->vias, via, -1);
// FROM
osip_from_init(&request->from);
osip_from_set_displayname(request->from, strdup(sip_username));
// FROM TAG
osip_from_set_tag(request->from, strdup(from_tag));
osip_uri_init(&request->from->url);
osip_uri_set_host(request->from->url, strdup(proxy_ip));
osip_uri_set_username(request->from->url, strdup(sip_username));
// TO
osip_to_init(&request->to);
osip_to_set_displayname(request->to, strdup(sip_username));
osip_uri_init(&request->to->url);
osip_uri_set_host(request->to->url, strdup(proxy_ip));
osip_uri_set_username(request->to->url, strdup(sip_username));
// CALL ID
osip_call_id_init(&request->call_id);
osip_call_id_set_host(request->call_id, strdup(local_ip));
osip_call_id_set_number(request->call_id, strdup(call_id));
// CSEQ
osip_cseq_init(&request->cseq);
osip_cseq_set_method(request->cseq, strdup("REGISTER"));
char temp_buf[14];
sprintf(temp_buf,"%i",cseq);
osip_cseq_set_number(request->cseq, strdup(temp_buf));
// CONTACT
osip_contact_t * con;
osip_to_init(&con);
// CONTACT URI
osip_uri_init(&con->url);
osip_uri_set_host(con->url, strdup(local_ip));
osip_uri_set_port(con->url, strdup(local_port));
osip_uri_set_username(con->url, strdup(sip_username));
osip_contact_param_add(con, strdup("expires"), strdup("0") );
// add contact
osip_list_add(&request->contacts, con, -1);
//osip_message_set_contact(request, strdup(" * "));
// If don't need authentication, return.
return request;
}
osip_message_t * SIP::sip_message( const char * dialed_number, const char * sip_username, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * via_branch, const char * call_id, int cseq, const char* message, const char* content_type) {
char local_port[10];
sprintf(local_port, "%i", wlocal_port);
osip_message_t * request;
osip_message_init(&request);
// FIXME -- Should use the "force_update" function.
request->message_property = 2;
// METHOD
request->sip_method = strdup("MESSAGE");
osip_message_set_version(request, strdup("SIP/2.0"));
// REQ.URI
osip_uri_init(&request->req_uri);
osip_uri_set_host(request->req_uri, strdup(proxy_ip));
osip_uri_set_username(request->req_uri, strdup(dialed_number));
// VIA
osip_via_t * via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(local_ip));
via_set_port(via, strdup(local_port));
osip_via_set_branch(via, strdup(via_branch));
// MAX FORWARDS
osip_message_set_max_forwards(request, strdup("70"));
// add via
osip_list_add(&request->vias, via, -1);
// FROM
osip_from_init(&request->from);
osip_from_set_displayname(request->from, strdup(sip_username));
osip_uri_init(&request->from->url);
osip_uri_set_host(request->from->url, strdup(proxy_ip));
osip_uri_set_username(request->from->url, strdup(sip_username));
// FROM TAG
osip_from_set_tag(request->from, strdup(from_tag));
// TO
osip_to_init(&request->to);
osip_to_set_displayname(request->to, strdup(dialed_number));
osip_uri_init(&request->to->url);
osip_uri_set_host(request->to->url, strdup(proxy_ip));
osip_uri_set_username(request->to->url, strdup(dialed_number));
// CALL ID
osip_call_id_init(&request->call_id);
osip_call_id_set_host(request->call_id, strdup(local_ip));
osip_call_id_set_number(request->call_id, strdup(call_id));
// CSEQ
osip_cseq_init(&request->cseq);
osip_cseq_set_method(request->cseq, strdup("MESSAGE"));
char temp_buf[21];
sprintf(temp_buf,"%i",cseq);
osip_cseq_set_number(request->cseq, strdup(temp_buf));
// Content-Type
if (content_type)
{
// Explicit value provided
osip_message_set_content_type(request, strdup(content_type));
} else {
// Default to text/plain
osip_message_set_content_type(request, strdup("text/plain"));
}
// Content-Length
sprintf(temp_buf,"%lu",strlen(message));
osip_message_set_content_length(request, strdup(temp_buf));
// Payload.
osip_message_set_body(request,message,strlen(message));
return request;
}
osip_message_t * SIP::sip_invite( const char * dialed_number, short rtp_port, const char * sip_username, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * via_branch, const char * call_id, int cseq, unsigned codec) {
char local_port[10];
sprintf(local_port, "%i", wlocal_port);
osip_message_t * request;
osip_message_init(&request);
// FIXME -- Should use the "force_update" function.
request->message_property = 2;
request->sip_method = strdup("INVITE");
osip_message_set_version(request, strdup("SIP/2.0"));
osip_uri_init(&request->req_uri);
osip_uri_set_host(request->req_uri, strdup(proxy_ip));
osip_uri_set_username(request->req_uri, strdup(dialed_number));
// VIA
osip_via_t * via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(local_ip));
via_set_port(via, strdup(local_port));
// VIA BRANCH
osip_via_set_branch(via, strdup(via_branch));
// MAX FORWARDS
osip_message_set_max_forwards(request, strdup("70"));
// add via
osip_list_add(&request->vias, via, -1);
// FROM
osip_from_init(&request->from);
osip_from_set_displayname(request->from, strdup(sip_username));
// FROM TAG
osip_from_set_tag(request->from, strdup(from_tag));
osip_uri_init(&request->from->url);
osip_uri_set_host(request->from->url, strdup(proxy_ip));
osip_uri_set_username(request->from->url, strdup(sip_username));
// TO
osip_to_init(&request->to);
osip_to_set_displayname(request->to, strdup(""));
osip_uri_init(&request->to->url);
osip_uri_set_host(request->to->url, strdup(proxy_ip));
osip_uri_set_username(request->to->url, strdup(dialed_number));
// If response, we need a to tag.
//osip_uri_param_t * to_tag_param;
//osip_from_get_tag(rsp->to, &to_tag_param);
// CALL ID
osip_call_id_init(&request->call_id);
osip_call_id_set_host(request->call_id, strdup(local_ip));
osip_call_id_set_number(request->call_id, strdup(call_id));
// CSEQ
osip_cseq_init(&request->cseq);
osip_cseq_set_method(request->cseq, strdup("INVITE"));
char temp_buf[14];
sprintf(temp_buf,"%i",cseq);
osip_cseq_set_number(request->cseq, strdup(temp_buf));
// CONTACT
osip_contact_t * con;
osip_to_init(&con);
// CONTACT URI
osip_uri_init(&con->url);
osip_uri_set_host(con->url, strdup(local_ip));
osip_uri_set_port(con->url, strdup(local_port));
osip_uri_set_username(con->url, strdup(sip_username));
osip_contact_param_add(con, strdup("expires"), strdup("3600") );
// add contact
osip_list_add(&request->contacts, con, -1);
sdp_message_t * sdp;
sdp_message_init(&sdp);
sdp_message_v_version_set(sdp, strdup("0"));
sdp_message_o_origin_set(sdp, strdup(sip_username), strdup("0"),
strdup("0"), strdup("IN"), strdup("IP4"), strdup(local_ip));
sdp_message_s_name_set(sdp, strdup("Talk Time"));
sdp_message_t_time_descr_add(sdp, strdup("0"), strdup("0") );
sprintf(temp_buf,"%i",rtp_port);
sdp_message_m_media_add(sdp, strdup("audio"),
strdup(temp_buf), NULL, strdup("RTP/AVP"));
sdp_message_c_connection_add
(sdp, 0, strdup("IN"), strdup("IP4"), strdup(local_ip),NULL, NULL);
// FIXME -- This should also be inside the switch?
sdp_message_m_payload_add(sdp,0,strdup("3"));
switch (codec) {
case RTPuLaw:
sdp_message_a_attribute_add(sdp,0,strdup("rtpmap"),strdup("0 PCMU/8000"));
break;
case RTPGSM610:
sdp_message_a_attribute_add(sdp,0,strdup("rtpmap"),strdup("3 GSM/8000"));
break;
default: assert(0);
};
/*
* We construct a sdp_message_t, turn it into a string, and then treat it
* like an osip_body_t. This works, and perhaps is how it is supposed to
* be done, but in any case we're going to have to do the extra processing
* to turn it into a string first.
*/
char * sdp_str;
sdp_message_to_str(sdp, &sdp_str);
osip_message_set_body(request, sdp_str, strlen(sdp_str));
osip_free(sdp_str);
osip_message_set_content_type(request, strdup("application/sdp"));
return request;
}
// Take the authorization produced by an earlier invite message.
osip_message_t * SIP::sip_ack(const char * req_uri, const char * dialed_number, const char * sip_username, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * to_tag, const char * via_branch, const char * call_id, int cseq) {
char local_port[20];
sprintf(local_port, "%i", wlocal_port);
osip_message_t * ack;
osip_message_init(&ack);
// FIXME -- Should use the "force_update" function.
ack->message_property = 2;
ack->sip_method = strdup("ACK");
osip_message_set_version(ack, strdup("SIP/2.0"));
osip_uri_init(&ack->req_uri);
// If we are Acking a BYE message then need to
// set the req_uri to the owner address thats taken from the 200 Okay.
if( req_uri == NULL ) {
osip_uri_set_host(ack->req_uri, strdup(proxy_ip));
} else {
osip_uri_set_host(ack->req_uri, strdup(req_uri));
}
osip_uri_set_username(ack->req_uri, strdup(dialed_number));
// Via
osip_via_t *via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(local_ip));
via_set_port(via, strdup(local_port));
// VIA BRANCH
osip_via_set_branch(via, strdup(via_branch));
// MAX FORWARDS
osip_message_set_max_forwards(ack, strdup("70"));
// add via
osip_list_add(&ack->vias, via, -1);
osip_from_init(&ack->from);
osip_from_set_displayname(ack->from, strdup(sip_username));
osip_uri_init(&ack->from->url);
osip_uri_set_host(ack->from->url, strdup(proxy_ip));
osip_uri_set_username(ack->from->url, strdup(sip_username));
// FROM TAG
osip_from_set_tag(ack->from, strdup(from_tag));
osip_to_init(&ack->to);
osip_to_set_displayname(ack->to, strdup(""));
osip_uri_init(&ack->to->url);
osip_uri_set_host(ack->to->url, strdup(proxy_ip));
osip_uri_set_username(ack->to->url, strdup(dialed_number));
// To Tag
if(to_tag) osip_from_set_tag(ack->to, strdup(to_tag));
osip_call_id_init(&ack->call_id);
osip_call_id_set_host(ack->call_id, strdup(local_ip));
osip_call_id_set_number(ack->call_id, strdup(call_id));
osip_cseq_init(&ack->cseq);
osip_cseq_set_method(ack->cseq, strdup("INVITE"));
char temp_buf[14];
sprintf(temp_buf, "%i", cseq);
osip_cseq_set_number(ack->cseq, strdup(temp_buf));
return ack;
}
osip_message_t * SIP::sip_bye(const char * req_uri, const char * dialed_number, const char * sip_username, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * to_tag, const char * via_branch, const char * call_id, int cseq) {
char local_port[10];
sprintf(local_port,"%i",wlocal_port);
osip_message_t * bye;
osip_message_init(&bye);
// FIXME -- Should use the "force_update" function.
bye->message_property = 2;
bye->sip_method = strdup("BYE");
osip_message_set_version(bye, strdup("SIP/2.0"));
//char o_addr[30];
//get_owner_ip(okay, o_addr);
osip_uri_init(&bye->req_uri);
osip_uri_set_host(bye->req_uri, strdup(req_uri));
osip_uri_set_username(bye->req_uri, strdup(dialed_number));
osip_via_t * via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(proxy_ip));
via_set_port(via, strdup(local_port));
// via branch + max forwards
osip_via_set_branch(via, strdup(via_branch));
osip_message_set_max_forwards(bye, strdup("70"));
// add via
osip_list_add(&bye->vias, via, -1);
// from header
osip_from_init(&bye->from);
osip_from_set_displayname(bye->from, strdup(sip_username));
osip_uri_init(&bye->from->url);
osip_uri_set_host(bye->from->url, strdup(proxy_ip));
osip_uri_set_username(bye->from->url, strdup(sip_username));
osip_from_set_tag(bye->from, strdup(from_tag));
// to header
osip_to_init(&bye->to);
osip_to_set_displayname(bye->to, strdup(sip_username));
osip_uri_init(&bye->to->url);
osip_uri_set_host(bye->to->url, strdup(proxy_ip));
osip_uri_set_username(bye->to->url, strdup(dialed_number));
osip_from_set_tag(bye->to, strdup(to_tag));
// Call Id Header
osip_call_id_init(&bye->call_id);
osip_call_id_set_host(bye->call_id, strdup(local_ip));
osip_call_id_set_number(bye->call_id, strdup(call_id));
// Cseq Number
osip_cseq_init(&bye->cseq);
osip_cseq_set_method(bye->cseq, strdup("BYE"));
char temp_buf[12];
sprintf(temp_buf,"%i",cseq);
osip_cseq_set_number(bye->cseq, strdup(temp_buf));
// Contact
osip_contact_t * contact;
osip_contact_init(&contact);
osip_contact_set_displayname(contact, strdup(sip_username) );
osip_uri_init(&contact->url);
osip_uri_set_host(contact->url, strdup(local_ip));
osip_uri_set_username(contact->url, strdup(sip_username));
osip_uri_set_port(contact->url, strdup(local_port));
// add contact
osip_list_add(&bye->contacts, contact, -1);
return bye;
}
// 200 Okay is generated as a response to a INVITE from a remote client.
osip_message_t * SIP::sip_okay( osip_message_t * inv, const char * sip_username, const char * local_ip, short wlocal_port, const char * to_tag, short rtp_port, unsigned audio_codec)
{
// Check for consistency.
if(inv==NULL){ return NULL;}
char local_port[10];
sprintf(local_port, "%i", wlocal_port);
// k used for error conditions on various osip operations.
osip_message_t * okay;
osip_message_init(&okay);
// FIXME -- Should use the "force_update" function.
okay->message_property = 2;
// Set Header stuff.
okay->status_code = 200;
okay->reason_phrase = strdup("OK");
osip_message_set_version(okay, strdup("SIP/2.0"));
osip_uri_init(&okay->req_uri);
// Get Record Route.
// FIXME -- Should use _clone() routines.
osip_record_route_t * rr;
char * rr_str;
osip_message_get_record_route(inv, 0, &rr);
osip_record_route_to_str(rr, &rr_str);
osip_message_set_record_route(okay, rr_str);
osip_free(rr_str);
// SIP Okay needs to repeat the Via tags from the INVITE Message.
osip_via_t * via;
char * via_str;
osip_message_get_via(inv, 0, &via);
osip_via_to_str(via, &via_str);
osip_message_set_via(okay, via_str);
osip_free(via_str);
// Get From.
osip_from_t * from;
char * from_str;
from = osip_message_get_from(inv);
osip_from_to_str(from, &from_str);
osip_message_set_from(okay, from_str);
osip_free(from_str);
// Get To.
osip_to_t * to;
char * to_str;
to = osip_message_get_to(inv);
osip_from_to_str(inv->to, &to_str);
osip_message_set_to(okay, to_str);
osip_free(to_str);
// FIXME - use the make_tag
if (to_tag) osip_to_set_tag(okay->to, strdup(to_tag));
// CONTACT URI
osip_contact_t * con;
osip_to_init(&con);
osip_uri_init(&con->url);
osip_uri_set_host(con->url, strdup(local_ip));
osip_uri_set_port(con->url, strdup(local_port));
osip_uri_set_username(con->url, strdup(sip_username));
osip_contact_param_add(con, strdup("expires"), strdup("3600") );
// add contact
osip_list_add(&okay->contacts, con, -1);
// Get Call-ID.
osip_call_id_t * call_id;
char * call_id_str;
call_id = osip_message_get_call_id(inv);
osip_call_id_to_str(call_id, &call_id_str);
osip_message_set_call_id(okay, call_id_str);
osip_free(call_id_str);
// Get Cseq.
osip_cseq_t * cseq;
char * cseq_str;
cseq = osip_message_get_cseq(inv);
osip_cseq_to_str(cseq ,&cseq_str);
osip_message_set_cseq(okay, cseq_str);
osip_free(cseq_str);
// Session Description Protocol.
sdp_message_t * sdp;
sdp_message_init(&sdp);
sdp_message_v_version_set(sdp, strdup("0"));
sdp_message_o_origin_set(sdp, strdup(sip_username), strdup("0"),
strdup("0"), strdup("IN"), strdup("IP4"), strdup(local_ip));
sdp_message_s_name_set(sdp, strdup("Talk Time"));
sdp_message_t_time_descr_add(sdp, strdup("0"), strdup("0") );
char temp_buf[10];
sprintf(temp_buf,"%i", rtp_port);
sdp_message_m_media_add(sdp, strdup("audio"),
strdup(temp_buf), NULL, strdup("RTP/AVP"));
sdp_message_c_connection_add
(sdp, 0, strdup("IN"), strdup("IP4"), strdup(local_ip),NULL, NULL);
// FIXME -- This should also be inside the switch?
sdp_message_m_payload_add(sdp,0,strdup("3"));
switch (audio_codec) {
case RTPuLaw:
sdp_message_a_attribute_add(sdp,0,strdup("rtpmap"),strdup("0 PCMU/8000"));
break;
case RTPGSM610:
sdp_message_a_attribute_add(sdp,0,strdup("rtpmap"),strdup("3 GSM/8000"));
break;
default: assert(0);
};
char * sdp_str;
sdp_message_to_str(sdp, &sdp_str);
osip_message_set_body(okay, sdp_str, strlen(sdp_str));
osip_free(sdp_str);
osip_message_set_content_type(okay, strdup("application/sdp"));
return okay;
}
osip_message_t * SIP::sip_b_okay( osip_message_t * bye )
{
// Check for consistency.
if(bye==NULL){ return NULL;}
// k used for error conditions on various osip operations.
osip_message_t * okay;
osip_message_init(&okay);
// FIXME -- Should use the "force_update" function.
okay->message_property = 2;
// Set Header stuff.
okay->status_code = 200;
okay->reason_phrase = strdup("OK");
osip_message_set_version(okay, strdup("SIP/2.0"));
osip_uri_init(&okay->req_uri);
// SIP Okay needs to repeat the Via tags from the INVITE Message.
osip_via_t * via;
char * via_str;
osip_message_get_via(bye, 0, &via);
osip_via_to_str(via, &via_str);
osip_message_set_via(okay, via_str);
osip_free(via_str);
// Get From.
osip_from_t * from;
char * from_str;
from = osip_message_get_from(bye);
osip_from_to_str(from, &from_str);
osip_message_set_from(okay, from_str);
osip_free(from_str);
// Get To.
osip_to_t * to;
char * to_str;
to = osip_message_get_to(bye);
osip_from_to_str(bye->to, &to_str);
osip_message_set_to(okay, to_str);
osip_free(to_str);
// Get Call-ID.
osip_call_id_t * call_id;
char * call_id_str;
call_id = osip_message_get_call_id(bye);
osip_call_id_to_str(call_id, &call_id_str);
osip_message_set_call_id(okay, call_id_str);
osip_free(call_id_str);
// Get Cseq.
osip_cseq_t * cseq;
char * cseq_str;
cseq = osip_message_get_cseq(bye);
osip_cseq_to_str(cseq ,&cseq_str);
osip_message_set_cseq(okay, cseq_str);
osip_free(cseq_str);
return okay;
}
osip_message_t * SIP::sip_trying( osip_message_t * invite, const char * sip_username, const char * local_ip )
{
osip_message_t * trying;
osip_message_init(&trying);
// FIXME -- Should use the "force_update" function.
trying->message_property = 2;
// Set Header stuff.
trying->status_code = 100;
trying->reason_phrase = strdup("Trying");
osip_message_set_version(trying, strdup("SIP/2.0"));
osip_uri_init(&invite->req_uri); // FIXME? -- Invite rather than trying?
// Get Record Route.
osip_via_t * via;
char * via_str;
osip_message_get_via(invite, 0, &via);
osip_via_to_str(via, &via_str);
osip_message_set_via(trying, via_str);
osip_free(via_str);
// Get From.
osip_from_t * from;
char * from_str;
from = osip_message_get_from(invite);
osip_from_to_str(from, &from_str);
osip_message_set_from(trying, from_str);
osip_free(from_str);
// Get To.
osip_to_t * to;
char * to_str;
to = osip_message_get_to(invite);
osip_from_to_str(to, &to_str);
osip_message_set_to(trying, to_str);
osip_free(to_str);
// Get Call-ID.
osip_call_id_t * call_id;
char * call_id_str;
call_id = osip_message_get_call_id(invite);
osip_call_id_to_str(call_id, &call_id_str);
osip_message_set_call_id(trying, call_id_str);
osip_free(call_id_str);
// Get Cseq.
osip_cseq_t * cseq;
char * cseq_str;
cseq = osip_message_get_cseq(invite);
osip_cseq_to_str(cseq ,&cseq_str);
osip_message_set_cseq(trying, cseq_str);
osip_free(cseq_str);
// CONTACT URI
osip_contact_t * con;
osip_to_init(&con);
osip_uri_init(&con->url);
osip_uri_set_host(con->url, strdup(local_ip));
//osip_uri_set_port(con->url, strdup(local_port)); // FIXME ??
osip_uri_set_username(con->url, strdup(sip_username));
// add contact
osip_list_add(&trying->contacts, con, -1);
return trying;
}
osip_message_t * SIP::sip_ringing( osip_message_t * invite, const char * sip_username, const char *local_ip, const char * to_tag )
{
osip_message_t * ringing;
osip_message_init(&ringing);
// FIXME -- Should use the "force_update" function.
ringing->message_property = 2;
// Set Header stuff.
ringing->status_code = 180;
ringing->reason_phrase = strdup("Ringing");
osip_message_set_version(ringing, strdup("SIP/2.0"));
//osip_uri_init(&invite->req_uri);
// Get Record Route.
osip_via_t * via;
char * via_str;
osip_message_get_via(invite, 0, &via);
osip_via_to_str(via, &via_str);
osip_message_set_via(ringing, via_str);
osip_free(via_str);
// Get From.
osip_from_t * from;
char * from_str;
from = osip_message_get_from(invite);
osip_from_to_str(from, &from_str);
osip_message_set_from(ringing, from_str);
osip_free(from_str);
// Get To.
osip_to_t * to;
char * to_str;
to = osip_message_get_to(invite);
osip_from_to_str(to, &to_str);
osip_message_set_to(ringing, to_str);
osip_free(to_str);
osip_to_set_tag(ringing->to, strdup(to_tag));
// Get Call-ID.
osip_call_id_t * call_id;
char * call_id_str;
call_id = osip_message_get_call_id(invite);
osip_call_id_to_str(call_id, &call_id_str);
osip_message_set_call_id(ringing, call_id_str);
osip_free(call_id_str);
// Get Cseq.
osip_cseq_t * cseq;
char * cseq_str;
cseq = osip_message_get_cseq(invite);
osip_cseq_to_str(cseq ,&cseq_str);
osip_message_set_cseq(ringing, cseq_str);
osip_free(cseq_str);
// CONTACT URI
osip_contact_t * con;
osip_to_init(&con);
osip_uri_init(&con->url);
osip_uri_set_host(con->url, strdup(local_ip));
osip_uri_set_username(con->url, strdup(sip_username));
// add contact
osip_list_add(&ringing->contacts, con, -1);
return ringing;
}
// 200 Okay is generated as a response to a MESSAGE from a remote client.
osip_message_t * SIP::sip_okay_SMS( osip_message_t * inv, const char * sip_username, const char * local_ip, short wlocal_port, const char * to_tag)
{
// Check for consistency.
if(inv==NULL){ return NULL;}
char local_port[20];
sprintf(local_port, "%i", wlocal_port);
osip_message_t * okay;
osip_message_init(&okay);
// FIXME -- Should use the "force_update" function.
okay->message_property = 2;
// FIXME -- Do we really need all of this string conversion?
// Set Header stuff.
okay->status_code = 200;
okay->reason_phrase = strdup("OK");
osip_message_set_version(okay, strdup("SIP/2.0"));
osip_uri_init(&okay->req_uri);
// Get Record Route.
osip_record_route_t * rr;
char * rr_str;
osip_message_get_record_route(inv, 0, &rr);
osip_record_route_to_str(rr, &rr_str);
osip_message_set_record_route(okay, rr_str);
osip_free(rr_str);
// SIP Okay needs to repeat the Via tags from the INVITE Message.
// FIXME -- This is not working.
osip_via_t * via;
char * via_str;
osip_message_get_via(inv, 1, &via);
osip_via_to_str(via, &via_str);
osip_message_set_via(okay, via_str);
osip_free(via_str);
// Get From.
osip_from_t * from;
char * from_str;
from = osip_message_get_from(inv);
osip_from_to_str(from, &from_str);
osip_message_set_from(okay, from_str);
osip_free(from_str);
// Get To.
osip_to_t * to;
char * to_str;
to = osip_message_get_to(inv);
osip_from_to_str(inv->to, &to_str);
osip_message_set_to(okay, to_str);
osip_free(to_str);
// To tag - NO. DO NOT USE.
//if (to_tag!=NULL) osip_to_set_tag(okay->to, strdup(to_tag));
// Get Call-ID.
osip_call_id_t * call_id;
char * call_id_str;
call_id = osip_message_get_call_id(inv);
osip_call_id_to_str(call_id, &call_id_str);
osip_message_set_call_id(okay, call_id_str);
osip_free(call_id_str);
// Get Cseq.
osip_cseq_t * cseq;
char * cseq_str;
cseq = osip_message_get_cseq(inv);
osip_cseq_to_str(cseq ,&cseq_str);
osip_message_set_cseq(okay, cseq_str);
osip_free(cseq_str);
return okay;
}
osip_message_t * SIP::sip_info(unsigned info, const char *dialed_number, short rtp_port, const char * sip_username, short wlocal_port, const char * local_ip, const char * proxy_ip, const char * from_tag, const char * via_branch, const char * call_id, int cseq) {
char local_port[10];
sprintf(local_port, "%i", wlocal_port);
osip_message_t * request;
osip_message_init(&request);
// FIXME -- Should use the "force_update" function.
request->message_property = 2;
request->sip_method = strdup("INFO");
osip_message_set_version(request, strdup("SIP/2.0"));
osip_uri_init(&request->req_uri);
osip_uri_set_host(request->req_uri, strdup(proxy_ip));
osip_uri_set_username(request->req_uri, strdup(dialed_number));
// VIA
osip_via_t * via;
osip_via_init(&via);
via_set_version(via, strdup("2.0"));
via_set_protocol(via, strdup("UDP"));
via_set_host(via, strdup(local_ip));
via_set_port(via, strdup(local_port));
// VIA BRANCH
osip_via_set_branch(via, strdup(via_branch));
// add via
osip_list_add(&request->vias, via, -1);
// FROM
osip_from_init(&request->from);
osip_from_set_displayname(request->from, strdup(sip_username));
// FROM TAG
osip_from_set_tag(request->from, strdup(from_tag));
osip_uri_init(&request->from->url);
osip_uri_set_host(request->from->url, strdup(proxy_ip));
osip_uri_set_username(request->from->url, strdup(sip_username));
// TO
osip_to_init(&request->to);
osip_to_set_displayname(request->to, strdup(""));
osip_uri_init(&request->to->url);
osip_uri_set_host(request->to->url, strdup(proxy_ip));
osip_uri_set_username(request->to->url, strdup(dialed_number));
// CALL ID
osip_call_id_init(&request->call_id);
osip_call_id_set_host(request->call_id, strdup(local_ip));
osip_call_id_set_number(request->call_id, strdup(call_id));
// CSEQ
osip_cseq_init(&request->cseq);
osip_cseq_set_method(request->cseq, strdup("INFO"));
char temp_buf[21];
sprintf(temp_buf,"%i",cseq);
osip_cseq_set_number(request->cseq, strdup(temp_buf));
osip_message_set_content_type(request, strdup("application/dtmf-relay"));
char message[31];
// FIXME -- This duration should probably come from a config file.
switch (info) {
case 11:
snprintf(message,sizeof(message),"Signal=*\nDuration=200");
break;
case 12:
snprintf(message,sizeof(message),"Signal=#\nDuration=200");
break;
default:
snprintf(message,sizeof(message),"Signal=%i\nDuration=200",info);
}
sprintf(temp_buf,"%lu",strlen(message));
osip_message_set_content_length(request, strdup(temp_buf));
// Payload.
osip_message_set_body(request,message,strlen(message));
return request;
}
// vim: ts=4 sw=4