diff options
author | Guy Harris <guy@alum.mit.edu> | 2005-04-01 09:43:19 +0000 |
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committer | Guy Harris <guy@alum.mit.edu> | 2005-04-01 09:43:19 +0000 |
commit | df8cbd0dfcc793ba7988dded51c41bef43319ce1 (patch) | |
tree | 63bab1931b535e6bbfcf68a61c000a5f4d1615d5 /epan/dissectors/packet-hpsw.c | |
parent | e611516763d45880a6452fe3d9f8f2f6d1bdd01f (diff) |
From Charlie Lenahan: support for some HP switch protocol.
Fix some damage to the AUTHORS file.
svn path=/trunk/; revision=13996
Diffstat (limited to 'epan/dissectors/packet-hpsw.c')
-rw-r--r-- | epan/dissectors/packet-hpsw.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/epan/dissectors/packet-hpsw.c b/epan/dissectors/packet-hpsw.c new file mode 100644 index 0000000000..1c3ad4df71 --- /dev/null +++ b/epan/dissectors/packet-hpsw.c @@ -0,0 +1,270 @@ +/* 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); +} |