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/*
* $Id: ut.h,v 1.4 2006/02/03 18:04:23 bogdan_iancu Exp $
*
* utilities
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* openser 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* History:
* -------
* 2003-02-13 added proto to uri2proxy (andrei)
* 2003-04-09 uri2sock moved from uac.c (janakj)
* 2003-04-14 added get_proto to determine protocol from uri unless
* specified explicitly (jiri)
* 2003-07-07 get_proto takes now two protos as arguments (andrei)
* tls/sips support for get_proto & uri2proxy (andrei)
*/
#ifndef _TM_UT_H
#define _TM_UT_H
#include "../../proxy.h"
#include "../../str.h"
#include "../../parser/parse_uri.h"
#include "../../dprint.h"
#include "../../ut.h"
#include "../../ip_addr.h"
#include "../../error.h"
#include "../../forward.h"
#include "../../mem/mem.h"
#include "../../parser/msg_parser.h"
/* a forced_proto takes precedence if != PROTO_NONE */
inline static enum sip_protos get_proto(enum sip_protos force_proto,
enum sip_protos proto)
{
/* calculate transport protocol */
switch(force_proto) {
case PROTO_NONE: /* no protocol has been forced -- look at proto */
switch(proto) {
case PROTO_NONE:
return PROTO_NONE;
case PROTO_UDP:/* transport specified explicitly */
#ifdef USE_TCP
case PROTO_TCP:
#endif
#ifdef USE_TLS
case PROTO_TLS:
#endif
return proto;
default:
LOG(L_ERR, "ERROR: get_proto: unsupported transport:"
" %d\n", proto );
return PROTO_NONE;
}
case PROTO_UDP: /* some protocol has been forced -- take it */
#ifdef USE_TCP
case PROTO_TCP:
#endif
#ifdef USE_TLS
case PROTO_TLS:
#endif
return force_proto;
default:
LOG(L_ERR, "ERROR: get_proto: unsupported forced protocol: "
"%d\n", force_proto);
return PROTO_NONE;
}
}
/*
* Convert a URI into a proxy structure
*/
inline static struct proxy_l *uri2proxy( str *uri, int forced_proto )
{
struct sip_uri parsed_uri;
struct proxy_l *p;
enum sip_protos proto;
if (parse_uri(uri->s, uri->len, &parsed_uri) < 0) {
LOG(L_ERR, "ERROR: uri2proxy: bad_uri: %.*s\n",
uri->len, uri->s );
return 0;
}
if (parsed_uri.type==SIPS_URI_T &&
((parsed_uri.proto!=PROTO_TCP) && (parsed_uri.proto!=PROTO_NONE)) ) {
LOG(L_ERR, "ERROR: uri2proxy: bad transport for sips uri: %d\n",
parsed_uri.proto);
return 0;
}
proto=parsed_uri.proto;
proto = get_proto(forced_proto, proto);
p = mk_proxy( &parsed_uri.host, parsed_uri.port_no, proto,
(parsed_uri.type==SIPS_URI_T)?1:0 );
if (p == 0) {
LOG(L_ERR, "ERROR: uri2proxy: bad host name in URI <%.*s>\n",
uri->len, ZSW(uri->s));
return 0;
}
return p;
}
static inline int uri2su(str *uri, union sockaddr_union *to_su, int proto)
{
struct proxy_l *proxy;
proxy = uri2proxy(uri, proto);
if (!proxy) {
ser_error = E_BAD_ADDRESS;
LOG(L_ERR, "ERROR: uri2sock: Can't create a dst proxy\n");
return -1;
}
hostent2su(to_su, &proxy->host, proxy->addr_idx,
(proxy->port) ? proxy->port : SIP_PORT);
proto = proxy->proto;
free_proxy(proxy);
pkg_free(proxy);
return proto;
}
/*
* Convert a URI into socket_info
*/
static inline struct socket_info *uri2sock(struct sip_msg* msg, str *uri,
union sockaddr_union *to_su, int proto)
{
struct socket_info* send_sock;
if ( (proto=uri2su(uri, to_su, proto))==-1 )
return 0;
send_sock = get_send_socket(msg, to_su, proto);
if (!send_sock) {
LOG(L_ERR, "ERROR: uri2sock: no corresponding socket for af %d\n",
to_su->s.sa_family);
ser_error = E_NO_SOCKET;
}
return send_sock;
}
#endif /* _TM_UT_H */
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