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136 lines
3.6 KiB
136 lines
3.6 KiB
/*
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* $Id$
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of ser, a free SIP server.
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*
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* ser is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser 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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/** @file
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* @brief Parser :: Via parsing automation
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*
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* @ingroup parser
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*/
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/*
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* 2003-01-21 added rport parsing code, contributed by
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* Maxim Sobolev <sobomax@FreeBSD.org>
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* 2003-01-21 added extra via param parsing code (i=...), used
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* by tcp to identify the sending socket, by andrei
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* 2003-01-27 added a new member (start) to via_param, by andrei
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* 2003-10-27 added alias to via && PARAM_ALIAS (andrei)
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* 2006-02-24 added comp/PARAM_COMP support (andrei)
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*/
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#ifndef PARSE_VIA_H
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#define PARSE_VIA_H
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#include "../str.h"
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struct sip_msg;
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/* via param types
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* WARNING: keep in sync with parse_via.c FIN_HIDDEN...
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* and with tm/sip_msg.c via_body_cloner
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*/
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enum {
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PARAM_HIDDEN=230, PARAM_TTL, PARAM_BRANCH,
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PARAM_MADDR, PARAM_RECEIVED, PARAM_RPORT, PARAM_I, PARAM_ALIAS,
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#ifdef USE_COMP
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PARAM_COMP,
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#endif
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GEN_PARAM=253,
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PARAM_ERROR
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};
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struct via_param {
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int type; /* Type of the parameter */
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str name; /* Name of the parameter */
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str value; /* Value of the parameter */
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char* start; /* Pointer to param start, just after ';',
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* (it can be diff. from name.s!) */
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int size; /* total size, including preceding and trailing
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* white space */
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struct via_param* next; /* Next parameter in the list */
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};
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/* Format: name/version/transport host:port;params comment */
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/* WARNING: keep in sync with tm/sip_msg.c via_body_cloner */
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struct via_body {
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int error;
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str hdr; /* Contains "Via" or "v" */
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str name;
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str version;
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str transport;
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str host;
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short proto; /* transport */
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unsigned short port;
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#ifdef USE_COMP
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short comp_no;
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#endif
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str port_str;
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str params;
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str comment;
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int bsize; /* body size, not including hdr */
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struct via_param* param_lst; /* list of parameters*/
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struct via_param* last_param; /*last via parameter, internal use*/
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/* shortcuts to "important" params*/
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struct via_param* branch;
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str tid; /* transaction id, part of branch */
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struct via_param* received;
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struct via_param* rport;
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struct via_param* i;
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struct via_param* alias; /* alias see draft-ietf-sip-connect-reuse-00 */
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#ifdef USE_COMP
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struct via_param* comp; /* see rfc3486 */
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#endif
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struct via_body* next; /* pointer to next via body string if
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compact via or null */
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};
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/*
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* Main Via header field parser
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*/
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char* parse_via(char* buffer, char* end, struct via_body *vb);
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/*
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* Free allocated memory
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*/
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void free_via_list(struct via_body *vb);
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/*
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* Get one Via header
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*/
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int parse_via_header( struct sip_msg *msg, int n, struct via_body** q);
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#endif /* PARSE_VIA_H */
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