forked from osmocom/wireshark
b7b80d94be
directory to the epan directory. Some of them should perhaps ultimately be moved to epan/dissectors, if they pertain only to stuff exported by a particular dissector. Fix Gerald's e-mail address in files we're moving. svn path=/trunk/; revision=15844
271 lines
8.2 KiB
C
271 lines
8.2 KiB
C
/* packet-rmp.c
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* Routines for HP remote management protocol
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* Gilbert Ramirez <jochen@scram.de>
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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 <epan/etypes.h>
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#include "packet-hpext.h"
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static dissector_handle_t data_handle;
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static int proto_rmp = -1;
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static int hf_rmp_type = -1;
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static int hf_rmp_retcode = -1;
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static int hf_rmp_seqnum = -1;
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static int hf_rmp_sessionid = -1;
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static int hf_rmp_version = -1;
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static int hf_rmp_machtype = -1;
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static int hf_rmp_filename = -1;
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static int hf_rmp_offset = -1;
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static int hf_rmp_size = -1;
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static gint ett_rmp = -1;
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/*
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* Possible values for "rmp_type" fields.
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*/
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#define RMP_BOOT_REQ 1 /* boot request packet */
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#define RMP_BOOT_REPL 129 /* boot reply packet */
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#define RMP_READ_REQ 2 /* read request packet */
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#define RMP_READ_REPL 130 /* read reply packet */
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#define RMP_BOOT_DONE 3 /* boot complete packet */
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/*
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* RMP error codes
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*/
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#define RMP_E_OKAY 0
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#define RMP_E_EOF 2 /* read reply: returned end of file */
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#define RMP_E_ABORT 3 /* abort operation */
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#define RMP_E_BUSY 4 /* boot reply: server busy */
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#define RMP_E_TIMEOUT 5 /* lengthen time out (not implemented) */
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#define RMP_E_NOFILE 16 /* boot reply: file does not exist */
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#define RMP_E_OPENFILE 17 /* boot reply: file open failed */
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#define RMP_E_NODFLT 18 /* boot reply: default file does not exist */
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#define RMP_E_OPENDFLT 19 /* boot reply: default file open failed */
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#define RMP_E_BADSID 25 /* read reply: bad session ID */
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#define RMP_E_BADPACKET 27 /* Bad packet detected */
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const value_string rmp_type_vals[] = {
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{ RMP_BOOT_REQ, "Boot Request" },
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{ RMP_BOOT_REPL, "Boot Reply" },
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{ RMP_READ_REQ, "Read Request" },
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{ RMP_READ_REPL, "Read Reply" },
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{ RMP_BOOT_DONE, "Boot Done" },
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{ 0x00, NULL }
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};
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const value_string rmp_error_vals[] = {
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{ RMP_E_OKAY, "OK" },
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{ RMP_E_EOF, "End Of File" },
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{ RMP_E_ABORT, "Abort Operation" },
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{ RMP_E_BUSY, "Server Busy" },
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{ RMP_E_TIMEOUT, "Lengthen Time Out" },
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{ RMP_E_NOFILE, "File Does Not Exist" },
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{ RMP_E_OPENFILE, "File Open Failed" },
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{ RMP_E_NODFLT, "Default File Does Not Exist" },
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{ RMP_E_OPENDFLT, "Default File Open Failed" },
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{ RMP_E_BADSID, "Bad Session Id" },
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{ RMP_E_OPENDFLT, "Bad Packet Detected" },
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{ 0x00, NULL }
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};
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static void
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dissect_rmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *rmp_tree = NULL;
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proto_item *ti = NULL;
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guint8 type, len;
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if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "RMP");
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}
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_clear(pinfo->cinfo, COL_INFO);
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}
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type = tvb_get_guint8(tvb, 0);
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_set_str(pinfo->cinfo, COL_INFO,
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val_to_str(type, rmp_type_vals, "Unknown Type"));
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}
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if (tree) {
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ti = proto_tree_add_item(tree, proto_rmp, tvb, 0, -1, FALSE);
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rmp_tree = proto_item_add_subtree(ti, ett_rmp);
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proto_tree_add_uint(rmp_tree, hf_rmp_type, tvb, 0, 1, type);
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switch (type) {
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case RMP_BOOT_REQ:
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proto_tree_add_item(rmp_tree,
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hf_rmp_retcode, tvb, 1, 1, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_seqnum, tvb, 2, 4, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_sessionid, tvb, 6, 2, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_version, tvb, 8, 2, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_machtype, tvb, 10, 20, FALSE);
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/* The remaining fields are optional */
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if(!tvb_offset_exists(tvb, 30))
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return;
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len = tvb_get_guint8(tvb, 30);
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proto_tree_add_item(rmp_tree,
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hf_rmp_filename, tvb, 30, 1, FALSE);
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if(tvb_offset_exists(tvb, len+31))
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call_dissector(data_handle,
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tvb_new_subset(tvb, len+31, -1, -1),
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pinfo, tree);
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break;
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case RMP_BOOT_REPL:
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proto_tree_add_item(rmp_tree,
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hf_rmp_retcode, tvb, 1, 1, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_seqnum, tvb, 2, 4, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_sessionid, tvb, 6, 2, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_version, tvb, 8, 2, FALSE);
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len = tvb_get_guint8(tvb, 10);
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proto_tree_add_item(rmp_tree,
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hf_rmp_filename, tvb, 10, 1, FALSE);
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if(tvb_offset_exists(tvb, len+11))
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call_dissector(data_handle,
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tvb_new_subset(tvb, len+11, -1, -1),
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pinfo, tree);
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break;
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case RMP_READ_REQ:
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proto_tree_add_item(rmp_tree,
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hf_rmp_retcode, tvb, 1, 1, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_offset, tvb, 2, 4, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_sessionid, tvb, 6, 2, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_size, tvb, 8, 2, FALSE);
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if(tvb_offset_exists(tvb, 10))
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call_dissector(data_handle,
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tvb_new_subset(tvb, 10, -1, -1),
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pinfo, tree);
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break;
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case RMP_READ_REPL:
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proto_tree_add_item(rmp_tree,
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hf_rmp_retcode, tvb, 1, 1, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_offset, tvb, 2, 4, FALSE);
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proto_tree_add_item(rmp_tree,
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hf_rmp_sessionid, tvb, 6, 2, FALSE);
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call_dissector(data_handle, tvb_new_subset(tvb,
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8, -1, -1), pinfo, rmp_tree);
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break;
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case RMP_BOOT_DONE:
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proto_tree_add_item(rmp_tree,
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hf_rmp_retcode, tvb, 1, 1, FALSE);
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proto_tree_add_text(rmp_tree,
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tvb, 2, 4, "Reserved");
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proto_tree_add_item(rmp_tree,
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hf_rmp_sessionid, tvb, 6, 2, FALSE);
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if(tvb_offset_exists(tvb, 8))
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call_dissector(data_handle,
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tvb_new_subset(tvb, 6, -1, -1),
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pinfo, tree);
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break;
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default:
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call_dissector(data_handle, tvb_new_subset(tvb,
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1, -1, -1), pinfo, tree);
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}
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}
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}
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void
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proto_register_rmp(void)
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{
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static hf_register_info hf[] = {
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{ &hf_rmp_type,
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{ "Type", "rmp.type", FT_UINT8, BASE_HEX,
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VALS(rmp_type_vals), 0x0, "", HFILL }},
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{ &hf_rmp_retcode,
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{ "Returncode", "rmp.retcode", FT_UINT8, BASE_HEX,
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VALS(rmp_error_vals), 0x0, "", HFILL }},
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{ &hf_rmp_seqnum,
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{ "Sequence Number", "rmp.seqnum", FT_UINT32, BASE_HEX,
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NULL, 0x0, "", HFILL }},
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{ &hf_rmp_sessionid,
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{ "Session ID", "rmp.sessionid", FT_UINT16, BASE_HEX,
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NULL, 0x0, "", HFILL }},
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{ &hf_rmp_version,
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{ "Version", "rmp.version", FT_UINT16, BASE_DEC,
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NULL, 0x0, "", HFILL }},
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{ &hf_rmp_machtype,
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{ "Machine Type", "rmp.machtype", FT_STRING, BASE_DEC,
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NULL, 0x0, "", HFILL }},
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{ &hf_rmp_filename,
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{ "Filename", "rmp.filename", FT_UINT_STRING, BASE_DEC,
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NULL, 0x0, "", HFILL }},
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{ &hf_rmp_offset,
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{ "Offset", "rmp.offset", FT_UINT32, BASE_HEX,
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NULL, 0x0, "", HFILL }},
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{ &hf_rmp_size,
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{ "Size", "rmp.size", FT_UINT16, 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_rmp,
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};
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proto_rmp = proto_register_protocol(
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"HP Remote Maintenance Protocol", "RMP", "rmp");
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proto_register_field_array(proto_rmp, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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register_dissector("rmp", dissect_rmp, proto_rmp);
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}
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void
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proto_reg_handoff_rmp(void)
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{
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dissector_handle_t rmp_handle;
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data_handle = find_dissector("data");
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rmp_handle = find_dissector("rmp");
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dissector_add("hpext.dxsap", HPEXT_DXSAP, rmp_handle);
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dissector_add("hpext.dxsap", HPEXT_SXSAP, rmp_handle);
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}
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