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78 lines
2.1 KiB
78 lines
2.1 KiB
/*
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* Copyright (C) 2006 Juha Heinanen
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio 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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* Kamailio 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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/*!
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* \file
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* \brief P-Asserted-Identity header parser
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* \ingroup parser
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*/
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#include "../../parser/parse_from.h"
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#include "../../parser/parse_to.h"
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#include <stdlib.h>
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#include <string.h>
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#include "../../dprint.h"
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#include "../../parser/msg_parser.h"
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#include "../../ut.h"
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#include "../../mem/mem.h"
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/*!
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* This method is used to parse P-Asserted-Identity header (RFC 3325).
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*
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* Currently only one name-addr / addr-spec is supported in the header
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* and it must contain a sip or sips URI.
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* \param msg sip msg
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* \return 0 on success, -1 on failure.
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*/
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int parse_pai_header( struct sip_msg *msg )
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{
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struct to_body* pai_b;
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if ( !msg->pai && (parse_headers(msg, HDR_PAI_F,0)==-1 || !msg->pai)) {
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goto error;
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}
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/* maybe the header is already parsed! */
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if (msg->pai->parsed)
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return 0;
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/* bad luck! :-( - we have to parse it */
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/* first, get some memory */
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pai_b = pkg_malloc(sizeof(struct to_body));
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if (pai_b == 0) {
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LM_ERR("out of pkg_memory\n");
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goto error;
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}
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/* now parse it!! */
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memset(pai_b, 0, sizeof(struct to_body));
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parse_to(msg->pai->body.s, msg->pai->body.s + msg->pai->body.len+1, pai_b);
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if (pai_b->error == PARSE_ERROR) {
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LM_ERR("bad P-Asserted-Identity header\n");
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free_to(pai_b);
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goto error;
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}
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msg->pai->parsed = pai_b;
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return 0;
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error:
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return -1;
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}
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