From Charlie Lenahan: support for some HP switch protocol.
Fix some damage to the AUTHORS file. svn path=/trunk/; revision=13996
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@ -292,6 +292,7 @@ DISSECTOR_SRC = \
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packet-h450.c \
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packet-hclnfsd.c \
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packet-hpext.c \
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packet-hpsw.c \
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packet-hsrp.c \
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packet-http.c \
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packet-hyperscsi.c \
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@ -0,0 +1,270 @@
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/* packet-hpsw.c
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* Routines for HP Switch Config protocol
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* Charlie Lenahan <clenahan@fortresstech.com>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include "etypes.h"
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#include "packet-hpext.h"
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static void dissect_hpsw_tlv(tvbuff_t *tvb, int offset, int length,
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proto_tree *tree, proto_item *ti, guint8 type);
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static int proto_hpsw = -1;
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static int hf_hpsw_version = -1;
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static int hf_hpsw_type = -1;
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static int hf_hpsw_tlvtype = -1;
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static int hf_hpsw_tlvlength = -1;
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static gint ett_hpsw = -1;
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static gint ett_hpsw_tlv = -1;
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#define HPFOO_DEVICE_NAME 0x1
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#define HPFOO_DEVICE_VERSION 0x2
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#define HPFOO_CONFIG_NAME 0x3
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#define HPFOO_IP_ADDR 0x5
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#define HPFOO_FIELD_7 0x7
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#define HPFOO_FIELD_8 0x8
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#define HPFOO_FIELD_9 0x9
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#define HPFOO_FIELD_10 0xa
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static const value_string hpsw_tlv_type_vals[] = {
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{ HPFOO_DEVICE_NAME, "Device Name" },
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{ HPFOO_DEVICE_VERSION, "Version" },
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{ HPFOO_CONFIG_NAME, "Config" },
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{ HPFOO_IP_ADDR, "IP Addr" },
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{ HPFOO_FIELD_7, "Field 7" },
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{ HPFOO_FIELD_8, "Field 8" },
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{ HPFOO_FIELD_9, "Field 9" },
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{ HPFOO_FIELD_10, "Field 10" },
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{ 0x00, NULL }
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};
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static void
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dissect_hpsw(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *hp_tree = NULL;
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proto_tree *tlv_tree = NULL;
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proto_item *ti = NULL;
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guint8 version;
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if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "HP");
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}
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_set_str(pinfo->cinfo, COL_INFO, "HP Switch Protocol");
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}
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version = tvb_get_guint8(tvb, 0);
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if (tree) {
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guint16 offset =0;
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ti = proto_tree_add_item(tree, proto_hpsw, tvb, 0, -1, FALSE);
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hp_tree = proto_item_add_subtree(ti, ett_hpsw);
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proto_tree_add_uint(hp_tree, hf_hpsw_version, tvb, 0, 1, version);
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offset++;
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proto_tree_add_item(hp_tree, hf_hpsw_type, tvb, 1, 1, FALSE);
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offset++;
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while ( tvb_reported_length_remaining(tvb, offset) > 0 )
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{
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guint8 type,length;
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type = tvb_get_guint8(tvb, offset);
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length = tvb_get_guint8(tvb, offset+1);
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/* make sure still in valid tlv */
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if (( length < 1 ) || ( length > tvb_length_remaining(tvb,offset+2)))
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break;
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ti = proto_tree_add_text(hp_tree,tvb,offset,length+2,"%s",
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val_to_str(type,hpsw_tlv_type_vals,"Unknown TLV type: 0x%02x"));
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tlv_tree=proto_item_add_subtree(ti,ett_hpsw_tlv);
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/* type */
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proto_tree_add_uint(tlv_tree, hf_hpsw_tlvtype, tvb, offset, 1, type);
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offset++;
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/* LENGTH (not inclusive of type and length bytes) */
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proto_tree_add_uint(tlv_tree, hf_hpsw_tlvlength, tvb, offset, 1, length);
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offset++;
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dissect_hpsw_tlv(tvb,offset,length,tlv_tree,ti,type);
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offset += length;
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}
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}
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}
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static void
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dissect_hpsw_tlv(tvbuff_t *tvb, int offset, int length,
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proto_tree *tree, proto_item *ti, guint8 type)
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{
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switch (type) {
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case HPFOO_DEVICE_NAME:
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if (length > 0) {
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proto_item_set_text(ti, "Device Name: %s", tvb_format_text(tvb, offset, length - 1));
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proto_tree_add_text(tree, tvb, offset, length, "Device Name: %s", tvb_format_text(tvb, offset, length - 1));
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} else {
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proto_item_set_text(ti, "Device Name: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Device Name: Bad length %u", length);
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}
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break;
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case HPFOO_DEVICE_VERSION:
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if (length > 0) {
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proto_item_set_text(ti, "Version: %s", tvb_format_text(tvb, offset, length - 1));
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proto_tree_add_text(tree, tvb, offset, length, "Version: %s", tvb_format_text(tvb, offset, length - 1));
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} else {
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proto_item_set_text(ti, "Version: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Version: Bad length %u", length);
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}
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break;
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case HPFOO_CONFIG_NAME:
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if (length > 0) {
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proto_item_set_text(ti, "Config: %s", tvb_format_text(tvb, offset, length - 1));
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proto_tree_add_text(tree, tvb, offset, length, "Config: %s", tvb_format_text(tvb, offset, length - 1));
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} else {
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proto_item_set_text(ti, "Config: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Config: Bad length %u", length);
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}
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break;
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case HPFOO_IP_ADDR:
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if (length == 4) {
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const guint8 *ipptr=tvb_get_ptr(tvb,offset,length);
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proto_item_set_text(ti, "IP Addr: %s", ip_to_str(ipptr));
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proto_tree_add_text(tree, tvb, offset, length, "IP Addr: %s", ip_to_str(ipptr));
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} else {
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proto_item_set_text(ti, "IP Addr: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "IP Addr: Bad length %u", length);
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}
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break;
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case HPFOO_FIELD_7:
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if (length == 1) {
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proto_item_set_text(ti, "Field 7: 0x%02x", tvb_get_guint8(tvb,offset));
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proto_tree_add_text(tree, tvb, offset, length, "Field 7: 0x%02x", tvb_get_guint8(tvb,offset));
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} else {
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proto_item_set_text(ti, "Field 7: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Field 7: Bad length %u", length);
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}
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break;
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case HPFOO_FIELD_8:
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if (length == 2) {
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proto_item_set_text(ti, "Field 8: 0x%02x", tvb_get_ntohs(tvb,offset));
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proto_tree_add_text(tree, tvb, offset, length, "Field 8: 0x%02x", tvb_get_ntohs(tvb,offset));
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} else {
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proto_item_set_text(ti, "Field 8: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Field 8: Bad length %u", length);
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}
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break;
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case HPFOO_FIELD_9:
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if (length == 2) {
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proto_item_set_text(ti, "Field 9: 0x%02x", tvb_get_ntohs(tvb,offset));
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proto_tree_add_text(tree, tvb, offset, length, "Field 9: 0x%02x", tvb_get_ntohs(tvb,offset));
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} else {
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proto_item_set_text(ti, "Field 9: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Field 9: Bad length %u", length);
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}
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break;
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case HPFOO_FIELD_10:
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if (length == 4) {
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proto_item_set_text(ti, "Field 10: 0x%04x", tvb_get_ntohl(tvb,offset));
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proto_tree_add_text(tree, tvb, offset, length, "Field 9: 0x%04x", tvb_get_ntohl(tvb,offset));
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} else {
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proto_item_set_text(ti, "Field 10: Bad length %u", length);
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proto_tree_add_text(tree, tvb, offset, length, "Field 10: Bad length %u", length);
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}
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break;
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default:
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proto_tree_add_text(tree, tvb, offset, length, "Data");
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break;
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}
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}
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void
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proto_register_hpsw(void)
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{
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static hf_register_info hf[] = {
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{ &hf_hpsw_version,
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{ "Version", "hpsw.version", FT_UINT8, BASE_HEX,
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NULL, 0x0, "", HFILL }},
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{ &hf_hpsw_type,
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{ "Type", "hpsw.type", FT_UINT8, BASE_HEX,
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NULL, 0x0, "", HFILL }},
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{ &hf_hpsw_tlvtype,
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{ "Type", "hpsw.tlv_type", FT_UINT8, BASE_HEX,
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VALS(hpsw_tlv_type_vals), 0x0, "", HFILL }},
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{ &hf_hpsw_tlvlength,
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{ "Length", "hpsw.tlv_len", FT_UINT8, BASE_DEC,
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NULL, 0x0, "", HFILL }},
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};
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static gint *ett[] = {
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&ett_hpsw,
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&ett_hpsw_tlv,
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};
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proto_hpsw = proto_register_protocol( "HP Switch Protocol", "HPSW", "hpsw");
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proto_register_field_array(proto_hpsw, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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register_dissector("hpsw", dissect_hpsw, proto_hpsw);
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}
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void
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proto_reg_handoff_hpsw(void)
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{
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dissector_handle_t hpsw_handle;
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hpsw_handle = find_dissector("hpsw");
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dissector_add("hpext.dxsap", 0x0623, hpsw_handle);
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}
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