mirror of
https://github.com/RangeNetworks/openbts.git
synced 2025-11-04 13:53:15 +00:00
5289a229d9
git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@6168 19bc5d8c-e614-43d4-8b26-e1612bc8e597
120 lines
2.6 KiB
C++
120 lines
2.6 KiB
C++
/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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* This software is distributed under multiple licenses; see the COPYING file in the main directory for licensing information for this specific distribuion.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program 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.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <ortp/ortp.h>
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#include <osipparser2/osip_md5.h>
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#include <osipparser2/sdp_message.h>
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#include "SIPInterface.h"
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#include "SIPUtility.h"
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using namespace SIP;
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using namespace std;
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#define DEBUG 1
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bool SIP::get_owner_ip( osip_message_t * msg, char * o_addr )
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{
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osip_body_t * sdp_body = (osip_body_t*)osip_list_get(&msg->bodies, 0);
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if (!sdp_body) return false;
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char * sdp_str = sdp_body->body;
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if (!sdp_str) return false;
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sdp_message_t * sdp;
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sdp_message_init(&sdp);
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sdp_message_parse(sdp, sdp_str);
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strcpy(o_addr, sdp->o_addr);
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return true;
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}
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bool SIP::get_rtp_params(const osip_message_t * msg, char * port, char * ip_addr )
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{
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osip_body_t * sdp_body = (osip_body_t*)osip_list_get(&msg->bodies, 0);
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if (!sdp_body) return false;
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char * sdp_str = sdp_body->body;
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if (!sdp_str) return false;
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sdp_message_t * sdp;
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sdp_message_init(&sdp);
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sdp_message_parse(sdp, sdp_str);
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strcpy(port,sdp_message_m_port_get(sdp,0));
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strcpy(ip_addr, sdp->c_connection->c_addr);
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return true;
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}
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void SIP::make_tag(char * tag)
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{
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uint64_t r1 = random();
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uint64_t r2 = random();
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uint64_t val = (r1<<32) + r2;
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// map [0->26] to [a-z]
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int k;
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for (k=0; k<16; k++) {
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tag[k] = val%26+'a';
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val = val >> 4;
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}
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tag[k] = '\0';
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}
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void SIP::make_branch( char * branch )
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{
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uint64_t r1 = random();
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uint64_t r2 = random();
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uint64_t val = (r1<<32) + r2;
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sprintf(branch,"z9hG4bKobts28%llx", val);
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}
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/* get the return address from the SIP VIA header
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if port not available, guess at 5060
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if header not available, guess from SIP.Proxy.SMS
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-kurtis
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*/
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string SIP::get_return_address(osip_message_t * msg){
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string result;
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osip_via* via = (osip_via *) osip_list_get(&msg->vias,0);
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if (via){
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result = string(via->host);
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if (via->port) {
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result += string(":") + string(via->port);
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}
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else {
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result += string(":") + string("5060"); //assume SIP
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}
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}
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else { //no via header? Take best guess from conf -k
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result = gConfig.getStr("SIP.Proxy.SMS");
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}
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return result;
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}
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// vim: ts=4 sw=4
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