[SR-Dev] git:janakj/kcore: P-Asserted-Identity parser from kamailio core

Module: sip-router Branch: janakj/kcore Commit: bbbc6625cef466839d25fd7f95e99d6a6045d645 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=bbbc662… Author: Jan Janak &lt;jan(a)iptel.org&gt; Committer: Jan Janak &lt;jan(a)iptel.org&gt; Date: Sun Mar 15 17:42:45 2009 +0100 P-Asserted-Identity parser from kamailio core This patch adds the P-Asserted-Identity parser from the kamailio core to the libkcore library. --- lib/kcore/parse_pai.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++ lib/kcore/parse_pai.h | 44 ++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+), 0 deletions(-) diff --git a/lib/kcore/parse_pai.c b/lib/kcore/parse_pai.c new file mode 100644 index 0000000..b047eb6 --- /dev/null +++ b/lib/kcore/parse_pai.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2006 Juha Heinanen + * + * This file is part of Kamailio, a free SIP server. + * + * Kamailio 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 + * + * Kamailio 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 + */ + +/*! + * \file + * \brief P-Asserted-Identity header parser + * \ingroup parser + */ + +#include "parse_from.h" +#include "parse_to.h" +#include <stdlib.h> +#include <string.h> +#include "../dprint.h" +#include "msg_parser.h" +#include "../ut.h" +#include "../mem/mem.h" + +/*! + * This method is used to parse P-Asserted-Identity header (RFC 3325). + * + * Currently only one name-addr / addr-spec is supported in the header + * and it must contain a sip or sips URI. + * \param msg sip msg + * \return 0 on success, -1 on failure. + */ +int parse_pai_header( struct sip_msg *msg ) +{ + struct to_body* pai_b; + + if ( !msg->pai && (parse_headers(msg, HDR_PAI_F,0)==-1 || !msg->pai)) { + goto error; + } + + /* maybe the header is already parsed! */ + if (msg->pai->parsed) + return 0; + + /* bad luck! :-( - we have to parse it */ + /* first, get some memory */ + pai_b = pkg_malloc(sizeof(struct to_body)); + if (pai_b == 0) { + LM_ERR("out of pkg_memory\n"); + goto error; + } + + /* now parse it!! */ + memset(pai_b, 0, sizeof(struct to_body)); + parse_to(msg->pai->body.s, msg->pai->body.s + msg->pai->body.len+1, pai_b); + if (pai_b->error == PARSE_ERROR) { + LM_ERR("bad P-Asserted-Identity header\n"); + pkg_free(pai_b); + goto error; + } + msg->pai->parsed = pai_b; + + return 0; +error: + return -1; +} diff --git a/lib/kcore/parse_pai.h b/lib/kcore/parse_pai.h new file mode 100644 index 0000000..f9af2fc --- /dev/null +++ b/lib/kcore/parse_pai.h @@ -0,0 +1,44 @@ +/* + * + * Copyright (C) 2006 Juha Heinanen + * + * This file is part of Kamailio, a free SIP server. + * + * Kamailio 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 + * + * Kamailio 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 + * + */ + +/*! + * \file + * \brief P-Asserted-Identity header parser + * \ingroup parser + */ + +#ifndef PARSE_PAI_H +#define PARSE_PAI_H + +#include "msg_parser.h" + + +/*! casting macro for accessing P-Asserted-Identity body */ +#define get_pai(p_msg) ((struct to_body*)(p_msg)->pai->parsed) + + +/*! + * P-Asserted-Identity header field parser + */ +int parse_pai_header( struct sip_msg *msg); + +#endif /* PARSE_PAI_H */