/* packet-esis.c
- * Routines for ISO/OSI End System to Intermediate System
+ * Routines for ISO/OSI End System to Intermediate System
* Routing Exchange Protocol ISO 9542.
*
- * $Id: packet-esis.c,v 1.26 2002/08/02 23:35:49 jmayer Exp $
+ * $Id: packet-esis.c,v 1.27 2002/08/28 21:00:13 jmayer Exp $
* Ralf Schneider <Ralf.Schneider@t-online.de>
*
* 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.
* This is just a copy of isis.c and isis.h, so I keep the stuff also
* and adapt the names to cover possible protocol errors! Ive really no
* idea wether I need this or not.
- *
+ *
* Input
* tvbuff_t * : tvbuff with packet data.
* proto_tree * : tree of display data. May be NULL.
int offset = 0;
int no_sa = 0;
int sal = 0;
-
+
proto_item *ti;
-
+
if (tree) {
offset += ESIS_HDR_FIXED_LENGTH;
ti = proto_tree_add_text( tree, tvb, offset, -1,
"Number of Source Addresses (SA, Format: NSAP) : %u", no_sa );
offset++;
-
+
esis_area_tree = proto_item_add_subtree( ti, ett_esis_area_addr );
while ( no_sa-- > 0 ) {
sal = (int) tvb_get_guint8(tvb, offset);
len -= ( sal + 1 );
}
dissect_osi_options( len, tvb, offset, tree );
- }
+ }
} /* esis_dissect_esh_pdu */ ;
static void
esis_dissect_ish_pdu( guchar len, tvbuff_t *tvb, proto_tree *tree) {
-
+
int offset = 0;
int netl = 0;
offset += ESIS_HDR_FIXED_LENGTH;
netl = (int) tvb_get_guint8(tvb, offset);
- proto_tree_add_text( tree, tvb, offset, netl + 1,
+ proto_tree_add_text( tree, tvb, offset, netl + 1,
"### Network Entity Title Section ###");
proto_tree_add_text( tree, tvb, offset++, 1, "NETL: %2u Octets", netl);
proto_tree_add_text( tree, tvb, offset, netl,
offset += ESIS_HDR_FIXED_LENGTH;
tmpl = (int) tvb_get_guint8(tvb, offset);
- proto_tree_add_text( tree, tvb, offset, tmpl + 1,
+ proto_tree_add_text( tree, tvb, offset, tmpl + 1,
"### Destination Address Section ###" );
proto_tree_add_text( tree, tvb, offset++, 1, "DAL: %2u Octets", tmpl);
proto_tree_add_text( tree, tvb, offset, tmpl,
len -= ( tmpl + 1 );
tmpl = (int) tvb_get_guint8(tvb, offset);
- proto_tree_add_text( tree, tvb, offset, tmpl + 1,
+ proto_tree_add_text( tree, tvb, offset, tmpl + 1,
"### Subnetwork Address Section ###");
proto_tree_add_text( tree, tvb, offset++, 1, "BSNPAL: %2u Octets", tmpl);
proto_tree_add_text( tree, tvb, offset, tmpl,
tmpl = (int) tvb_get_guint8(tvb, offset);
if ( 0 == tmpl ) {
- proto_tree_add_text( tree, tvb, offset, 1,
+ proto_tree_add_text( tree, tvb, offset, 1,
"### No Network Entity Title Section ###" );
offset++;
len--;
/*
* Name: dissect_esis()
- *
+ *
* Description:
* Main entry area for esis de-mangling. This will build the
* main esis tree data and call the sub-protocols as needed.
static void
dissect_esis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
char *pdu_type_string = NULL;
- char *pdu_type_format_string = "PDU Type : %s (R:%s%s%s)";
+ char *pdu_type_format_string = "PDU Type : %s (R:%s%s%s)";
esis_hdr_t ehdr;
proto_item *ti;
proto_tree *esis_tree = NULL;
col_clear(pinfo->cinfo, COL_INFO);
tvb_memcpy(tvb, (guint8 *)&ehdr, 0, sizeof ehdr);
-
+
if (tree) {
ti = proto_tree_add_item(tree, proto_esis, tvb, 0, -1, FALSE);
esis_tree = proto_item_add_subtree(ti, ett_esis);
proto_tree_add_uint( esis_tree, hf_esis_nlpi, tvb, 0, 1, ehdr.esis_nlpi );
proto_tree_add_uint( esis_tree, hf_esis_length, tvb,
1, 1, ehdr.esis_length );
- proto_tree_add_uint( esis_tree, hf_esis_version, tvb, 2, 1,
+ proto_tree_add_uint( esis_tree, hf_esis_version, tvb, 2, 1,
ehdr.esis_version );
- proto_tree_add_uint( esis_tree, hf_esis_reserved, tvb, 3, 1,
+ proto_tree_add_uint( esis_tree, hf_esis_reserved, tvb, 3, 1,
ehdr.esis_reserved );
pdu_type_string = val_to_str(ehdr.esis_type&OSI_PDU_TYPE_MASK,
esis_vals, "Unknown (0x%x)");
- proto_tree_add_uint_format( esis_tree, hf_esis_type, tvb, 4, 1,
- ehdr.esis_type,
+ proto_tree_add_uint_format( esis_tree, hf_esis_type, tvb, 4, 1,
+ ehdr.esis_type,
pdu_type_format_string,
pdu_type_string,
(ehdr.esis_type&BIT_8) ? "1" : "0",
(ehdr.esis_type&BIT_6) ? "1" : "0");
tmp_uint = pntohs( ehdr.esis_holdtime );
- proto_tree_add_uint_format(esis_tree, hf_esis_holdtime, tvb, 5, 2,
+ proto_tree_add_uint_format(esis_tree, hf_esis_holdtime, tvb, 5, 2,
tmp_uint, "Holding Time : %u seconds",
tmp_uint );
tmp_uint = pntohs( ehdr.esis_checksum );
-
+
switch (calc_checksum( tvb, 0, ehdr.esis_length, tmp_uint )) {
case NO_CKSUM:
g_assert_not_reached();
}
proto_tree_add_uint_format( esis_tree, hf_esis_checksum, tvb, 7, 2,
- tmp_uint, "Checksum : 0x%x ( %s )",
+ tmp_uint, "Checksum : 0x%x ( %s )",
tmp_uint, cksum_status );
}
* dispatch the sub-type.
*/
if (check_col(pinfo->cinfo, COL_INFO)) {
- col_add_str(pinfo->cinfo, COL_INFO,
+ col_add_str(pinfo->cinfo, COL_INFO,
val_to_str( ehdr.esis_type&OSI_PDU_TYPE_MASK, esis_vals,
"Unknown (0x%x)" ) );
- }
+ }
variable_len = ehdr.esis_length - ESIS_HDR_FIXED_LENGTH;
* NOTE: this procedure to autolinked by the makefile process that
* builds register.c
*
- * Input:
+ * Input:
* void
*
* Output:
* void
*/
-void
+void
proto_register_esis(void) {
static hf_register_info hf[] = {
{ &hf_esis_nlpi,
- { "Network Layer Protocol Identifier", "esis.nlpi",
+ { "Network Layer Protocol Identifier", "esis.nlpi",
FT_UINT8, BASE_HEX, VALS(nlpid_vals), 0x0, "", HFILL }},
{ &hf_esis_length,
{ "PDU Length ", "esis.length", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},
{ "Checksum ", "esis.chksum", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }}
};
/*
- *
- *
+ *
+ *
*/
static gint *ett[] = {
&ett_esis,
git.samba.org / obnox / wireshark / wip.git / blobdiff