+/* packet-hpsw.c
+ * Routines for HP Switch Config protocol
+ * Charlie Lenahan <clenahan@fortresstech.com>
+ *
+ * $Id$
+ *
+ * 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
+
+#include <glib.h>
+#include <epan/packet.h>
+#include "etypes.h"
+
+#include "packet-hpext.h"
+
+static void dissect_hpsw_tlv(tvbuff_t *tvb, int offset, int length,
+ proto_tree *tree, proto_item *ti, guint8 type);
+
+static int proto_hpsw = -1;
+
+static int hf_hpsw_version = -1;
+static int hf_hpsw_type = -1;
+static int hf_hpsw_tlvtype = -1;
+static int hf_hpsw_tlvlength = -1;
+
+
+static gint ett_hpsw = -1;
+static gint ett_hpsw_tlv = -1;
+
+
+
+#define HPFOO_DEVICE_NAME 0x1
+#define HPFOO_DEVICE_VERSION 0x2
+#define HPFOO_CONFIG_NAME 0x3
+#define HPFOO_IP_ADDR 0x5
+#define HPFOO_FIELD_7 0x7
+#define HPFOO_FIELD_8 0x8
+#define HPFOO_FIELD_9 0x9
+#define HPFOO_FIELD_10 0xa
+
+static const value_string hpsw_tlv_type_vals[] = {
+ { HPFOO_DEVICE_NAME, "Device Name" },
+ { HPFOO_DEVICE_VERSION, "Version" },
+ { HPFOO_CONFIG_NAME, "Config" },
+ { HPFOO_IP_ADDR, "IP Addr" },
+ { HPFOO_FIELD_7, "Field 7" },
+ { HPFOO_FIELD_8, "Field 8" },
+ { HPFOO_FIELD_9, "Field 9" },
+ { HPFOO_FIELD_10, "Field 10" },
+ { 0x00, NULL }
+};
+
+
+static void
+dissect_hpsw(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_tree *hp_tree = NULL;
+ proto_tree *tlv_tree = NULL;
+ proto_item *ti = NULL;
+ guint8 version;
+
+ if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "HP");
+ }
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_set_str(pinfo->cinfo, COL_INFO, "HP Switch Protocol");
+ }
+
+ version = tvb_get_guint8(tvb, 0);
+
+ if (tree) {
+ guint16 offset =0;
+
+ ti = proto_tree_add_item(tree, proto_hpsw, tvb, 0, -1, FALSE);
+ hp_tree = proto_item_add_subtree(ti, ett_hpsw);
+ proto_tree_add_uint(hp_tree, hf_hpsw_version, tvb, 0, 1, version);
+ offset++;
+
+ proto_tree_add_item(hp_tree, hf_hpsw_type, tvb, 1, 1, FALSE);
+ offset++;
+
+ while ( tvb_reported_length_remaining(tvb, offset) > 0 )
+ {
+ guint8 type,length;
+
+ type = tvb_get_guint8(tvb, offset);
+ length = tvb_get_guint8(tvb, offset+1);
+
+ /* make sure still in valid tlv */
+ if (( length < 1 ) || ( length > tvb_length_remaining(tvb,offset+2)))
+ break;
+
+ ti = proto_tree_add_text(hp_tree,tvb,offset,length+2,"%s",
+ val_to_str(type,hpsw_tlv_type_vals,"Unknown TLV type: 0x%02x"));
+
+ tlv_tree=proto_item_add_subtree(ti,ett_hpsw_tlv);
+
+ /* type */
+ proto_tree_add_uint(tlv_tree, hf_hpsw_tlvtype, tvb, offset, 1, type);
+ offset++;
+
+ /* LENGTH (not inclusive of type and length bytes) */
+ proto_tree_add_uint(tlv_tree, hf_hpsw_tlvlength, tvb, offset, 1, length);
+ offset++;
+
+ dissect_hpsw_tlv(tvb,offset,length,tlv_tree,ti,type);
+
+ offset += length;
+
+ }
+
+ }
+}
+
+static void
+dissect_hpsw_tlv(tvbuff_t *tvb, int offset, int length,
+ proto_tree *tree, proto_item *ti, guint8 type)
+{
+ switch (type) {
+
+ case HPFOO_DEVICE_NAME:
+ if (length > 0) {
+ proto_item_set_text(ti, "Device Name: %s", tvb_format_text(tvb, offset, length - 1));
+ proto_tree_add_text(tree, tvb, offset, length, "Device Name: %s", tvb_format_text(tvb, offset, length - 1));
+ } else {
+ proto_item_set_text(ti, "Device Name: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Device Name: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_DEVICE_VERSION:
+ if (length > 0) {
+ proto_item_set_text(ti, "Version: %s", tvb_format_text(tvb, offset, length - 1));
+ proto_tree_add_text(tree, tvb, offset, length, "Version: %s", tvb_format_text(tvb, offset, length - 1));
+ } else {
+ proto_item_set_text(ti, "Version: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Version: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_CONFIG_NAME:
+ if (length > 0) {
+ proto_item_set_text(ti, "Config: %s", tvb_format_text(tvb, offset, length - 1));
+ proto_tree_add_text(tree, tvb, offset, length, "Config: %s", tvb_format_text(tvb, offset, length - 1));
+ } else {
+ proto_item_set_text(ti, "Config: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Config: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_IP_ADDR:
+ if (length == 4) {
+ const guint8 *ipptr=tvb_get_ptr(tvb,offset,length);
+ proto_item_set_text(ti, "IP Addr: %s", ip_to_str(ipptr));
+ proto_tree_add_text(tree, tvb, offset, length, "IP Addr: %s", ip_to_str(ipptr));
+ } else {
+ proto_item_set_text(ti, "IP Addr: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "IP Addr: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_FIELD_7:
+ if (length == 1) {
+ proto_item_set_text(ti, "Field 7: 0x%02x", tvb_get_guint8(tvb,offset));
+ proto_tree_add_text(tree, tvb, offset, length, "Field 7: 0x%02x", tvb_get_guint8(tvb,offset));
+ } else {
+ proto_item_set_text(ti, "Field 7: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Field 7: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_FIELD_8:
+ if (length == 2) {
+ proto_item_set_text(ti, "Field 8: 0x%02x", tvb_get_ntohs(tvb,offset));
+ proto_tree_add_text(tree, tvb, offset, length, "Field 8: 0x%02x", tvb_get_ntohs(tvb,offset));
+ } else {
+ proto_item_set_text(ti, "Field 8: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Field 8: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_FIELD_9:
+ if (length == 2) {
+ proto_item_set_text(ti, "Field 9: 0x%02x", tvb_get_ntohs(tvb,offset));
+ proto_tree_add_text(tree, tvb, offset, length, "Field 9: 0x%02x", tvb_get_ntohs(tvb,offset));
+ } else {
+ proto_item_set_text(ti, "Field 9: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Field 9: Bad length %u", length);
+ }
+ break;
+
+ case HPFOO_FIELD_10:
+ if (length == 4) {
+ proto_item_set_text(ti, "Field 10: 0x%04x", tvb_get_ntohl(tvb,offset));
+ proto_tree_add_text(tree, tvb, offset, length, "Field 9: 0x%04x", tvb_get_ntohl(tvb,offset));
+ } else {
+ proto_item_set_text(ti, "Field 10: Bad length %u", length);
+ proto_tree_add_text(tree, tvb, offset, length, "Field 10: Bad length %u", length);
+ }
+ break;
+
+ default:
+ proto_tree_add_text(tree, tvb, offset, length, "Data");
+ break;
+ }
+}
+
+
+
+
+void
+proto_register_hpsw(void)
+{
+ static hf_register_info hf[] = {
+ { &hf_hpsw_version,
+ { "Version", "hpsw.version", FT_UINT8, BASE_HEX,
+ NULL, 0x0, "", HFILL }},
+ { &hf_hpsw_type,
+ { "Type", "hpsw.type", FT_UINT8, BASE_HEX,
+ NULL, 0x0, "", HFILL }},
+ { &hf_hpsw_tlvtype,
+ { "Type", "hpsw.tlv_type", FT_UINT8, BASE_HEX,
+ VALS(hpsw_tlv_type_vals), 0x0, "", HFILL }},
+ { &hf_hpsw_tlvlength,
+ { "Length", "hpsw.tlv_len", FT_UINT8, BASE_DEC,
+ NULL, 0x0, "", HFILL }},
+ };
+
+ static gint *ett[] = {
+ &ett_hpsw,
+ &ett_hpsw_tlv,
+ };
+
+ proto_hpsw = proto_register_protocol( "HP Switch Protocol", "HPSW", "hpsw");
+ proto_register_field_array(proto_hpsw, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ register_dissector("hpsw", dissect_hpsw, proto_hpsw);
+}
+
+void
+proto_reg_handoff_hpsw(void)
+{
+ dissector_handle_t hpsw_handle;
+
+ hpsw_handle = find_dissector("hpsw");
+
+ dissector_add("hpext.dxsap", 0x0623, hpsw_handle);
+}
git.samba.org / obnox / wireshark / wip.git / commitdiff