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/*
* $Id: parse_via.h,v 1.2 2005/06/16 11:37:54 miconda Exp $
*
* 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
*
*/
/*
* 2003-01-21 added rport parsing code, contributed by
* Maxim Sobolev <sobomax@FreeBSD.org>
* 2003-01-21 added extra via param parsing code (i=...), used
* by tcp to identify the sending socket, by andrei
* 2003-01-27 added a new member (start) to via_param, by andrei
* 2003-10-27 added alias to via && PARAM_ALIAS (andrei)
*/
#ifndef PARSE_VIA_H
#define PARSE_VIA_H
#include "../str.h"
/* via param types
* WARNING: keep in sync with parse_via.c FIN_HIDDEN...
* and with tm/sip_msg.c via_body_cloner
*/
enum {
PARAM_HIDDEN=230, PARAM_TTL, PARAM_BRANCH,
PARAM_MADDR, PARAM_RECEIVED, PARAM_RPORT, PARAM_I, PARAM_ALIAS,
GEN_PARAM,
PARAM_ERROR
};
struct via_param {
int type; /* Type of the parameter */
str name; /* Name of the parameter */
str value; /* Value of the parameter */
char* start; /* Pointer to param start, just after ';',
* (it can be diff. from name.s!) */
int size; /* total size, including preceding and trailing
* white space */
struct via_param* next; /* Next parameter in the list */
};
/* Format: name/version/transport host:port;params comment */
/* WARNING: keep in sync with tm/sip_msg.c via_body_cloner */
struct via_body {
int error;
str hdr; /* Contains "Via" or "v" */
str name;
str version;
str transport;
int proto; /* transport */
str host;
int port;
str port_str;
str params;
str comment;
int bsize; /* body size, not including hdr */
struct via_param* param_lst; /* list of parameters*/
struct via_param* last_param; /*last via parameter, internal use*/
/* shortcuts to "important" params*/
struct via_param* branch;
str tid; /* transaction id, part of branch */
struct via_param* received;
struct via_param* rport;
struct via_param* i;
struct via_param* alias; /* alias see draft-ietf-sip-connect-reuse-00 */
struct via_body* next; /* pointer to next via body string if
compact via or null */
};
/*
* Main Via header field parser
*/
char* parse_via(char* buffer, char* end, struct via_body *vb);
/*
* Free allocated memory
*/
void free_via_list(struct via_body *vb);
#endif /* PARSE_VIA_H */
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