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authorGuy Harris <guy@alum.mit.edu>2003-08-16 00:29:15 +0000
committerGuy Harris <guy@alum.mit.edu>2003-08-16 00:29:15 +0000
commitc45515079b7413b5df87a7b624eb7570efd3bc8b (patch)
tree2ad74293d1d2a0a1fe1df18b9862da71fe1f012c /packet-fw1.c
parent4b8a07fe42c9621584eed2821827b3ee3e593e62 (diff)
From Alfred Koebler:
add interpretation of chain position; add a preference to interpret the new file format used by fw monitor options -u/-s. svn path=/trunk/; revision=8169
Diffstat (limited to 'packet-fw1.c')
-rw-r--r--packet-fw1.c68
1 files changed, 61 insertions, 7 deletions
diff --git a/packet-fw1.c b/packet-fw1.c
index b8d0e4c721..55f2d3e183 100644
--- a/packet-fw1.c
+++ b/packet-fw1.c
@@ -1,12 +1,12 @@
/* packet-fw1.c
* Routines for Ethernet header disassembly of FW1 "monitor" files
- * Copyright 2002, Alfred Koebler <ak@icon-sult.de>
+ * Copyright 2002,2003, Alfred Koebler <ako@icon.de>
*
- * $Id: packet-fw1.c,v 1.7 2003/06/12 07:37:30 guy Exp $
+ * $Id: packet-fw1.c,v 1.8 2003/08/16 00:29:15 guy Exp $
*
* Ethereal - Network traffic analyzer
- * By Alfred Koebler <ak@icon-sult.de>
- * Copyright 2002 Alfred Koebler
+ * By Alfred Koebler <ako@icon.de>
+ * Copyright 2002,2003 Alfred Koebler
*
* To use this dissector use the command line option
* -o eth.interpret_as_fw1_monitor:TRUE
@@ -60,6 +60,13 @@
* 9.12.2002
* Add new column with summary of FW-1 interface/direction
*
+ * 11.8.2003
+ * Additional interpretation of field Chain Position.
+ * Show the chain position in the interface list.
+ * Support for new format of fw monitor file
+ * writen by option -u | -s for UUID/SUUID.
+ * NOTICE: First paket will have UUID == 0 !
+ *
* 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
@@ -88,11 +95,15 @@
/* Place FW1 summary in proto tree */
static gboolean fw1_summary_in_tree = TRUE;
+static gboolean fw1_with_uuid = FALSE;
+static gboolean fw1_iflist_with_chain = FALSE;
/* Initialize the protocol and registered fields */
static int proto_fw1 = -1;
static int hf_fw1_direction = -1;
+static int hf_fw1_chain = -1;
static int hf_fw1_interface = -1;
+static int hf_fw1_uuid = -1;
static int hf_fw1_type = -1;
static int hf_fw1_trailer = -1;
@@ -110,7 +121,9 @@ dissect_fw1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
proto_item *ti;
proto_tree *volatile fh_tree = NULL;
char direction[3];
+ char chain[3];
char interface_name[10+1];
+ guint32 uuid;
guint16 etype;
char header[1000];
char *p_header;
@@ -146,7 +159,16 @@ dissect_fw1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
/* fetch info to local variable */
direction[0] = tvb_get_guint8(tvb, 0);
direction[1] = 0;
- tvb_get_nstringz0(tvb, 2, sizeof interface_name, interface_name);
+ chain[0] = tvb_get_guint8(tvb, 1);
+ chain[1] = 0;
+
+ if (!fw1_with_uuid) {
+ tvb_get_nstringz0(tvb, 2, 6, interface_name);
+ uuid = 0;
+ } else {
+ tvb_get_nstringz0(tvb, 2, sizeof interface_name, interface_name);
+ uuid = tvb_get_ntohl(tvb, 8);
+ }
/* Known interface name - if not, remember it */
found=1;
@@ -166,11 +188,21 @@ dissect_fw1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
found=0;
}
p_header = header + strlen(header);
- sprintf(p_header, " %c %s %c",
+ if (!fw1_iflist_with_chain) {
+ sprintf(p_header, " %c %s %c",
found==0 ? (direction[0]=='i' ? 'i' : (direction[0]=='O' ? 'O' : ' ')) : ' ',
p_interfaces[i],
found==0 ? (direction[0]=='I' ? 'I' : (direction[0]=='o' ? 'o' : ' ')) : ' '
);
+ } else {
+ sprintf(p_header, " %c%c %s %c%c",
+ found==0 ? (direction[0]=='i' ? 'i' : (direction[0]=='O' ? 'O' : ' ')) : ' ',
+ found==0 ? (direction[0]=='i' ? chain[0] : (direction[0]=='O' ? chain[0] : ' ')) : ' ',
+ p_interfaces[i],
+ found==0 ? (direction[0]=='I' ? 'I' : (direction[0]=='o' ? 'o' : ' ')) : ' ',
+ found==0 ? (direction[0]=='I' ? chain[0] : (direction[0]=='o' ? chain[0] : ' ')) : ' '
+ );
+ }
}
if (check_col(pinfo->cinfo, COL_IF_DIR))
@@ -187,10 +219,18 @@ dissect_fw1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
fh_tree = proto_item_add_subtree(ti, ett_fw1);
proto_tree_add_item(fh_tree, hf_fw1_direction, tvb, 0, 1, FALSE);
+ proto_tree_add_item(fh_tree, hf_fw1_chain, tvb, 1, 1, FALSE);
- proto_tree_add_string_format(fh_tree, hf_fw1_interface,
+ if (!fw1_with_uuid) {
+ proto_tree_add_string_format(fh_tree, hf_fw1_interface,
tvb, 2, 10,
interface_name, "Interface: %s", interface_name);
+ } else {
+ proto_tree_add_string_format(fh_tree, hf_fw1_interface,
+ tvb, 2, 6,
+ interface_name, "Interface: %s", interface_name);
+ proto_tree_add_item(fh_tree, hf_fw1_uuid, tvb, 8, 4, FALSE);
+ }
}
ethertype(etype, tvb, ETH_HEADER_SIZE, pinfo, tree, fh_tree, hf_fw1_type,
hf_fw1_trailer);
@@ -203,9 +243,15 @@ proto_register_fw1(void)
{ &hf_fw1_direction,
{ "Direction", "fw1.direction", FT_STRING, BASE_NONE, NULL, 0x0,
"Direction", HFILL }},
+ { &hf_fw1_chain,
+ { "Chain Position", "fw1.chain", FT_STRING, BASE_NONE, NULL, 0x0,
+ "Chain Position", HFILL }},
{ &hf_fw1_interface,
{ "Interface", "fw1.interface", FT_STRING, BASE_NONE, NULL, 0x0,
"Interface", HFILL }},
+ { &hf_fw1_uuid,
+ { "UUID", "fw1.uuid", FT_UINT32, BASE_DEC, NULL, 0x0,
+ "UUID", HFILL }},
/* registered here but handled in ethertype.c */
{ &hf_fw1_type,
{ "Type", "fw1.type", FT_UINT16, BASE_HEX, VALS(etype_vals), 0x0,
@@ -229,6 +275,14 @@ proto_register_fw1(void)
"Show FireWall-1 summary in protocol tree",
"Whether the FireWall-1 summary line should be shown in the protocol tree",
&fw1_summary_in_tree);
+ prefs_register_bool_preference(fw1_module, "with_uuid",
+ "fw monitor file includes UUID",
+ "Whether the fw monitor file includes information of UUID",
+ &fw1_with_uuid);
+ prefs_register_bool_preference(fw1_module, "iflist_with_chain",
+ "Interface list with chain position",
+ "Whether the interface list includes chain position",
+ &fw1_iflist_with_chain);
register_dissector("fw1", dissect_fw1, proto_fw1);
}