15 Mar
2009
15 Mar
'09
10:44 p.m.
Module: sip-router
Branch: janakj/kcore
Commit: 822a61e21b628272861a1dad6ba571acdf819c8b
URL:
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=822a61e…
Author: Jan Janak <jan(a)iptel.org>
Committer: Jan Janak <jan(a)iptel.org>
Date: Sun Mar 15 17:55:11 2009 +0100
Adding P-Preferred-Identity header parser from kamailio core
---
lib/kcore/parse_ppi.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++++
lib/kcore/parse_ppi.h | 52 +++++++++++++++++++++
2 files changed, 174 insertions(+), 0 deletions(-)
diff --git a/lib/kcore/parse_ppi.c b/lib/kcore/parse_ppi.c
new file mode 100644
index 0000000..791c3aa
--- /dev/null
+++ b/lib/kcore/parse_ppi.c
@@ -0,0 +1,122 @@
+/*
+ * $Id$
+ *
+ * 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-Preferred-Identity header parser
+ * \ingroup parser
+ */
+
+#include "parse_ppi.h"
+#include "parse_to.h"
+#include "parse_uri.h"
+#include <stdlib.h>
+#include <string.h>
+#include "../dprint.h"
+#include "msg_parser.h"
+#include "../ut.h"
+#include "../errinfo.h"
+#include "../mem/mem.h"
+
+
+/*!
+ * \brief This method is used to parse P-Preferred-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_ppi_header( struct sip_msg *msg )
+{
+ struct to_body* ppi_b;
+
+ if ( !msg->ppi &&
+ (parse_headers(msg, HDR_PPI_F,0)==-1 || !msg->ppi)) {
+ goto error;
+ }
+
+ /* maybe the header is already parsed! */
+ if (msg->ppi->parsed)
+ return 0;
+
+ /* bad luck! :-( - we have to parse it */
+ /* first, get some memory */
+ ppi_b = pkg_malloc(sizeof(struct to_body));
+ if (ppi_b == 0) {
+ LM_ERR("out of pkg_memory\n");
+ goto error;
+ }
+
+ /* now parse it!! */
+ memset(ppi_b, 0, sizeof(struct to_body));
+ parse_to(msg->ppi->body.s,
+ msg->ppi->body.s + msg->ppi->body.len+1,
+ ppi_b);
+ if (ppi_b->error == PARSE_ERROR) {
+ LM_ERR("bad P-Preferred-Identity header\n");
+ pkg_free(ppi_b);
+ goto error;
+ }
+ msg->ppi->parsed = ppi_b;
+
+ return 0;
+ error:
+ return -1;
+}
+
+
+/*!
+ * \brief Parse P-Preferred-Identity header URI
+ */
+struct sip_uri *parse_ppi_uri(struct sip_msg *msg)
+{
+ struct to_body *tb = NULL;
+
+ if(msg==NULL)
+ return NULL;
+
+ if(parse_ppi_header(msg)<0)
+ {
+ LM_ERR("cannot parse P-P-I header\n");
+ return NULL;
+ }
+
+ if(msg->ppi==NULL || get_ppi(msg)==NULL)
+ return NULL;
+
+ tb = get_ppi(msg);
+
+ if(tb->parsed_uri.user.s!=NULL || tb->parsed_uri.host.s!=NULL)
+ return &tb->parsed_uri;
+
+ if (parse_uri(tb->uri.s, tb->uri.len , &tb->parsed_uri)<0)
+ {
+ LM_ERR("failed to parse P-P-I URI\n");
+ memset(&tb->parsed_uri, 0, sizeof(struct sip_uri));
+ set_err_info(OSER_EC_PARSER, OSER_EL_MEDIUM, "error parsing P-P-I URI");
+ set_err_reply(400, "bad P-Preferred-Identity uri");
+ return NULL;
+ }
+
+ return &tb->parsed_uri;
+}
diff --git a/lib/kcore/parse_ppi.h b/lib/kcore/parse_ppi.h
new file mode 100644
index 0000000..ff0d26c
--- /dev/null
+++ b/lib/kcore/parse_ppi.h
@@ -0,0 +1,52 @@
+/*
+ * $Id$
+ *
+ * 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-Preferred-Identity header parser
+ * \ingroup parser
+ */
+
+#ifndef PARSE_PPI_H
+#define PARSE_PPI_H
+
+#include "msg_parser.h"
+
+
+/*! casting macro for accessing P-Preferred-Identity body */
+#define get_ppi(p_msg) ((struct to_body*)(p_msg)->ppi->parsed)
+
+
+/*!
+ * \brief This method is used to parse P-Preferred-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_ppi_header( struct sip_msg *msg);
+
+struct sip_uri *parse_ppi_uri(struct sip_msg *msg);
+
+#endif /* PARSE_PPI_H */