* Routines for ISO/OSI network and transport protocol packet disassembly, core
* bits.
*
- * $Id: packet-isis.c,v 1.24 2001/07/02 01:46:22 guy Exp $
+ * $Id: packet-isis.c,v 1.34 2002/08/29 18:52:51 guy Exp $
* Stuart Stanley <stuarts@mxmail.net>
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
- *
+ *
* This program 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.
- *
+ *
* This program 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.
- *
- *
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
#include <stdio.h>
#include <string.h>
#include <glib.h>
-#include "packet.h"
+#include <epan/packet.h>
#include "nlpid.h"
#include "packet-osi.h"
#include "packet-isis.h"
*
* Input
* tvbuff_t * : tvbuffer for packet data
- * packet_info * : info for current packet
* proto_tree * : tree of display data. May be NULL.
* int : current offset into packet data
* char * : format text
+ * subsequent args : arguments to format
*
* Output:
* void (may modify proto tree)
*/
void
-isis_dissect_unknown(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
- int offset, char *fmat, ...)
+isis_dissect_unknown(tvbuff_t *tvb, proto_tree *tree, int offset,
+ char *fmat, ...)
{
va_list ap;
va_start(ap, fmat);
- proto_tree_add_text_valist(tree, tvb, offset,
- tvb_length_remaining(tvb, offset), fmat, ap);
+ proto_tree_add_text_valist(tree, tvb, offset, -1, fmat, ap);
va_end(ap);
}
/*
* Name: dissect_isis()
- *
+ *
* Description:
* Main entry area for isis de-mangling. This will build the
* main isis tree data and call the sub-protocols as needed.
static void
dissect_isis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
- isis_hdr_t ihdr;
proto_item *ti;
proto_tree *isis_tree = NULL;
int offset = 0;
guint8 isis_type;
guint8 isis_system_id_len;
- if (check_col(pinfo->fd, COL_PROTOCOL))
- col_set_str(pinfo->fd, COL_PROTOCOL, "ISIS");
- if (check_col(pinfo->fd, COL_INFO))
- col_clear(pinfo->fd, COL_INFO);
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "ISIS");
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
isis_version = tvb_get_guint8(tvb, 2);
if (isis_version != ISIS_REQUIRED_VERSION){
- if (check_col(pinfo->fd, COL_INFO)) {
- col_add_fstr(pinfo->fd, COL_INFO,
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
"Unknown ISIS version (%u vs %u)",
isis_version, ISIS_REQUIRED_VERSION );
}
- isis_dissect_unknown(tvb, pinfo, tree, 0,
+ isis_dissect_unknown(tvb, tree, 0,
"Unknown ISIS version (%d vs %d)",
isis_version, ISIS_REQUIRED_VERSION);
return;
}
-
+
isis_header_length = tvb_get_guint8(tvb, 1);
if (tree) {
- ti = proto_tree_add_item(tree, proto_isis, tvb, 0,
- tvb_length(tvb), FALSE );
+ ti = proto_tree_add_item(tree, proto_isis, tvb, 0, -1, FALSE);
isis_tree = proto_item_add_subtree(ti, ett_isis);
}
isis_type_reserved = tvb_get_guint8(tvb, 4);
isis_type = isis_type_reserved & ISIS_TYPE_MASK;
- if (check_col(pinfo->fd, COL_INFO)) {
- col_add_str(pinfo->fd, COL_INFO,
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_str(pinfo->cinfo, COL_INFO,
val_to_str ( isis_type, isis_vals, "Unknown (0x%x)" ) );
}
if (tree) {
isis_type, isis_header_length, isis_system_id_len);
break;
default:
- isis_dissect_unknown(tvb, pinfo, tree, offset,
+ isis_dissect_unknown(tvb, tree, offset,
"Unknown ISIS packet type");
}
} /* dissect_isis */
* NOTE: this procedure to autolinked by the makefile process that
* builds register.c
*
- * Input:
+ * Input:
* void
*
* Output:
* void
*/
-void
+void
proto_register_isis(void) {
static hf_register_info hf[] = {
{ &hf_isis_irpd,
- { "Intra Domain Routing Protocol Discriminator", "isis.irpd",
+ { "Intra Domain Routing Protocol Discriminator", "isis.irpd",
FT_UINT8, BASE_HEX, VALS(nlpid_vals), 0x0, "", HFILL }},
{ &hf_isis_header_length,
{ "PDU Header Length ", "isis.len", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},
{ &hf_isis_version,
- { "Version (==1) ", "isis.version", FT_UINT8,
+ { "Version (==1) ", "isis.version", FT_UINT8,
BASE_DEC, NULL, 0x0, "", HFILL }},
{ &hf_isis_system_id_length,
- { "System ID Length ", "isis.sysid_len",
+ { "System ID Length ", "isis.sysid_len",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},
- { &hf_isis_type,
- { "PDU Type ", "isis.type", FT_UINT8, BASE_DEC,
+ { &hf_isis_type,
+ { "PDU Type ", "isis.type", FT_UINT8, BASE_DEC,
VALS(isis_vals), 0xff, "", HFILL }},
- { &hf_isis_version2,
- { "Version2 (==1) ", "isis.version2", FT_UINT8, BASE_DEC, NULL,
+ { &hf_isis_version2,
+ { "Version2 (==1) ", "isis.version2", FT_UINT8, BASE_DEC, NULL,
0x0, "", HFILL }},
{ &hf_isis_reserved,
- { "Reserved (==0) ", "isis.reserved", FT_UINT8, BASE_DEC, NULL,
+ { "Reserved (==0) ", "isis.reserved", FT_UINT8, BASE_DEC, NULL,
0x0, "", HFILL }},
{ &hf_isis_max_area_adr,
- { "Max.AREAs: (0==3) ", "isis.max_area_adr", FT_UINT8, BASE_DEC, NULL,
+ { "Max.AREAs: (0==3) ", "isis.max_area_adr", FT_UINT8, BASE_DEC, NULL,
0x0, "", HFILL }},
};
proto_isis = proto_register_protocol(PROTO_STRING_ISIS, "ISIS", "isis");
proto_register_field_array(proto_isis, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
+
+ /*
+ * Call registration routines for other source files in the ISIS
+ * dissector.
+ */
+ isis_register_hello(proto_isis);
+ isis_register_lsp(proto_isis);
+ isis_register_csnp(proto_isis);
+ isis_register_psnp(proto_isis);
}
void
proto_reg_handoff_isis(void)
{
- dissector_add("osinl", NLPID_ISO10589_ISIS, dissect_isis, proto_isis);
+ dissector_handle_t isis_handle;
+
+ isis_handle = create_dissector_handle(dissect_isis, proto_isis);
+ dissector_add("osinl", NLPID_ISO10589_ISIS, isis_handle);
}