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101 lines
2.2 KiB
101 lines
2.2 KiB
/*
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* Copyright (C) 2001-2003 FhG Fokus
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/*! \file
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* \brief Parser :: Cseq header field handling
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*
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* \ingroup parser
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*/
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#include "../comp_defs.h"
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#include "parse_cseq.h"
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#include "parser_f.h" /* eat_space_end and so on */
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#include "../dprint.h"
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#include "parse_def.h"
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#include "parse_methods.h"
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#include "../mem/mem.h"
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/* parse cseq header */
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char *parse_cseq(char *const buf, const char *const end,
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struct cseq_body *const cb)
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{
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char *t, *m, *m_end;
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cb->error = PARSE_ERROR;
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t = buf;
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cb->number.s = t;
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t = eat_token_end(t, end);
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if(t >= end)
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goto error;
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cb->number.len = t - cb->number.s;
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m = eat_space_end(t, end);
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m_end = eat_token_end(m, end);
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if(m_end >= end) {
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LM_ERR("method terminated unexpectedly\n");
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goto error;
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}
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if(m_end == m) {
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/* null method*/
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LM_ERR("no method found\n");
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goto error;
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}
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cb->method.s = m;
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t = m_end;
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cb->method.len = t - cb->method.s;
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/* Cache method id */
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if(parse_method_name(&cb->method, &cb->method_id) != 0) {
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LM_ERR("Cannot parse method string\n");
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goto error;
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}
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/* there may be trailing LWS */
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t = eat_lws_end(t, end);
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/*check if the header ends here*/
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if(t >= end) {
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LM_ERR("strange EoHF\n");
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goto error;
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}
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if(*t == '\r' && t + 1 < end && *(t + 1) == '\n') {
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cb->error = PARSE_OK;
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return t + 2;
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}
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if(*t == '\n') {
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cb->error = PARSE_OK;
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return t + 1;
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}
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LM_ERR("CSeq EoL expected\n");
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error:
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LM_ERR("bad cseq\n");
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return t;
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}
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void free_cseq(struct cseq_body *const cb)
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{
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pkg_free(cb);
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}
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