643 lines
19 KiB
C
643 lines
19 KiB
C
/* packet-dsi.c
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* Routines for dsi packet dissection
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* Copyright 2001, Randy McEoin <rmceoin@pe.com>
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*
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* $Id: packet-dsi.c,v 1.17 2002/05/01 07:07:09 guy Exp $
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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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* Copied from packet-pop.c
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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 <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.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 "prefs.h"
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#include "packet-frame.h"
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#include "packet-afp.h"
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/* The information in this module (DSI) comes from:
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AFP 2.1 & 2.2.pdf contained in AppleShare_IP_6.3_SDK
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available from http://www.apple.com
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The netatalk source code by Wesley Craig & Adrian Sun
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* What a Data Stream Interface packet looks like:
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* 0 32
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* |-------------------------------|
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* |flags |command| requestID |
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* |-------------------------------|
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* |error code/enclosed data offset|
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* |-------------------------------|
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* |total data length |
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* |-------------------------------|
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* |reserved field |
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* |-------------------------------|
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*/
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static int proto_dsi = -1;
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static int hf_dsi_flags = -1;
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static int hf_dsi_command = -1;
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static int hf_dsi_requestid = -1;
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static int hf_dsi_offset = -1;
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static int hf_dsi_error = -1;
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static int hf_dsi_length = -1;
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static int hf_dsi_reserved = -1;
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static gint ett_dsi = -1;
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/* status stuff same for asp and afp */
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static int hf_dsi_server_name = -1;
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static int hf_dsi_server_type = -1;
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static int hf_dsi_server_vers = -1;
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static int hf_dsi_server_uams = -1;
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static int hf_dsi_server_icon = -1;
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static int hf_dsi_server_flag = -1;
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static int hf_dsi_server_flag_copyfile = -1;
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static int hf_dsi_server_flag_passwd = -1;
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static int hf_dsi_server_flag_no_save_passwd = -1;
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static int hf_dsi_server_flag_srv_msg = -1;
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static int hf_dsi_server_flag_srv_sig = -1;
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static int hf_dsi_server_flag_tcpip = -1;
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static int hf_dsi_server_flag_notify = -1;
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static int hf_dsi_server_flag_fast_copy = -1;
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static int hf_dsi_server_signature = -1;
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static int hf_dsi_server_addr_len = -1;
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static int hf_dsi_server_addr_type = -1;
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static int hf_dsi_server_addr_value = -1;
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static gint ett_dsi_status = -1;
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static gint ett_dsi_uams = -1;
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static gint ett_dsi_vers = -1;
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static gint ett_dsi_addr = -1;
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static gint ett_dsi_status_server_flag = -1;
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const value_string afp_server_addr_type_vals[] = {
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{1, "IP address" },
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{2, "IP+port address" },
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{3, "DDP address" },
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{4, "DNS name" },
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{0, NULL } };
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/* end status stuff */
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/* desegmentation of DSI */
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static gboolean dsi_desegment = TRUE;
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static dissector_handle_t data_handle;
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static dissector_handle_t afp_handle;
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#define TCP_PORT_DSI 548
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#define DSI_BLOCKSIZ 16
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/* DSI flags */
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#define DSIFL_REQUEST 0x00
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#define DSIFL_REPLY 0x01
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#define DSIFL_MAX 0x01
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/* DSI Commands */
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#define DSIFUNC_CLOSE 1 /* DSICloseSession */
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#define DSIFUNC_CMD 2 /* DSICommand */
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#define DSIFUNC_STAT 3 /* DSIGetStatus */
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#define DSIFUNC_OPEN 4 /* DSIOpenSession */
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#define DSIFUNC_TICKLE 5 /* DSITickle */
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#define DSIFUNC_WRITE 6 /* DSIWrite */
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#define DSIFUNC_ATTN 8 /* DSIAttention */
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#define DSIFUNC_MAX 8 /* largest command */
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static const value_string flag_vals[] = {
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{DSIFL_REQUEST, "Request" },
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{DSIFL_REPLY, "Reply" },
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{0, NULL } };
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static const value_string func_vals[] = {
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{DSIFUNC_CLOSE, "CloseSession" },
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{DSIFUNC_CMD, "Command" },
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{DSIFUNC_STAT, "GetStatus" },
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{DSIFUNC_OPEN, "OpenSession" },
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{DSIFUNC_TICKLE, "Tickle" },
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{DSIFUNC_WRITE, "Write" },
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{DSIFUNC_ATTN, "Attention" },
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{0, NULL } };
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/* -----------------------------
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from netatalk/etc/afpd/status.c
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*/
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static gint
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dissect_dsi_reply_get_status(tvbuff_t *tvb, proto_tree *tree, gint offset)
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{
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proto_tree *sub_tree;
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proto_item *ti;
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guint16 ofs;
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guint16 flag;
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guint16 sign_ofs = 0;
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guint16 adr_ofs = 0;
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guint8 nbe;
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guint8 len;
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guint8 i;
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ti = proto_tree_add_text(tree, tvb, offset, -1, "Get Status");
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tree = proto_item_add_subtree(ti, ett_dsi_status);
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ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_MACHOFF);
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proto_tree_add_text(tree, tvb, offset +AFPSTATUS_MACHOFF, 2, "Machine offset: %d", ofs);
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ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_VERSOFF);
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proto_tree_add_text(tree, tvb, offset +AFPSTATUS_VERSOFF, 2, "Version offset: %d", ofs);
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ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_UAMSOFF);
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proto_tree_add_text(tree, tvb, offset +AFPSTATUS_UAMSOFF, 2, "UAMS offset: %d", ofs);
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ofs = tvb_get_ntohs(tvb, offset +AFPSTATUS_ICONOFF);
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proto_tree_add_text(tree, tvb, offset +AFPSTATUS_ICONOFF, 2, "Icon offset: %d", ofs);
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ofs = offset +AFPSTATUS_FLAGOFF;
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ti = proto_tree_add_item(tree, hf_dsi_server_flag, tvb, ofs, 2, FALSE);
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sub_tree = proto_item_add_subtree(ti, ett_dsi_status_server_flag);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_copyfile , tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_passwd , tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_no_save_passwd, tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_srv_msg , tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_srv_sig , tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_tcpip , tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_notify , tvb, ofs, 2, FALSE);
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proto_tree_add_item(sub_tree, hf_dsi_server_flag_fast_copy , tvb, ofs, 2, FALSE);
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proto_tree_add_item(tree, hf_dsi_server_name, tvb, offset +AFPSTATUS_PRELEN, 1, FALSE);
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/* FIXME wild guess */
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flag = tvb_get_ntohs(tvb, ofs);
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if ((flag & AFPSRVRINFO_SRVSIGNATURE)) {
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ofs = offset +AFPSTATUS_PRELEN +tvb_get_guint8(tvb, offset +AFPSTATUS_PRELEN);
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if ((ofs & 1))
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ofs++;
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sign_ofs = tvb_get_ntohs(tvb, ofs);
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proto_tree_add_text(tree, tvb, ofs, 2, "Signature offset: %d", sign_ofs);
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sign_ofs += offset;
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if ((flag & AFPSRVRINFO_TCPIP)) {
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ofs += 2;
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adr_ofs = tvb_get_ntohs(tvb, ofs);
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proto_tree_add_text(tree, tvb, ofs, 2, "Network address offset: %d", adr_ofs);
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adr_ofs += offset;
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}
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}
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ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_MACHOFF);
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if (ofs)
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proto_tree_add_item(tree, hf_dsi_server_type, tvb, ofs, 1, FALSE);
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ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_VERSOFF);
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if (ofs) {
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nbe = tvb_get_guint8(tvb, ofs);
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ti = proto_tree_add_text(tree, tvb, ofs, 1, "Version list: %d", nbe);
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ofs++;
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sub_tree = proto_item_add_subtree(ti, ett_dsi_vers);
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for (i = 0; i < nbe; i++) {
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len = tvb_get_guint8(tvb, ofs) +1;
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proto_tree_add_item(sub_tree, hf_dsi_server_vers, tvb, ofs, 1, FALSE);
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ofs += len;
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}
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}
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ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_UAMSOFF);
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if (ofs) {
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nbe = tvb_get_guint8(tvb, ofs);
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ti = proto_tree_add_text(tree, tvb, ofs, 1, "UAMS list: %d", nbe);
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ofs++;
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sub_tree = proto_item_add_subtree(ti, ett_dsi_uams);
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for (i = 0; i < nbe; i++) {
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len = tvb_get_guint8(tvb, ofs) +1;
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proto_tree_add_item(sub_tree, hf_dsi_server_uams, tvb, ofs, 1, FALSE);
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ofs += len;
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}
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}
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ofs = offset +tvb_get_ntohs(tvb, offset +AFPSTATUS_ICONOFF);
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if (ofs)
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proto_tree_add_item(tree, hf_dsi_server_icon, tvb, ofs, 256, FALSE);
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if (sign_ofs) {
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proto_tree_add_item(tree, hf_dsi_server_signature, tvb, sign_ofs, 16, FALSE);
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}
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if (adr_ofs) {
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ofs = adr_ofs;
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nbe = tvb_get_guint8(tvb, ofs);
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ti = proto_tree_add_text(tree, tvb, ofs, 1, "Address list: %d", nbe);
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ofs++;
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sub_tree = proto_item_add_subtree(ti, ett_dsi_addr);
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for (i = 0; i < nbe; i++) {
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len = tvb_get_guint8(tvb, ofs) -2;
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proto_tree_add_item(sub_tree, hf_dsi_server_addr_len, tvb, ofs, 1, FALSE);
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ofs++;
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proto_tree_add_item(sub_tree, hf_dsi_server_addr_type, tvb, ofs, 1, FALSE);
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ofs++;
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proto_tree_add_item(sub_tree, hf_dsi_server_addr_value,tvb, ofs, len, FALSE);
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ofs += len;
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}
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}
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return offset;
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}
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static void
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dissect_dsi_packet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *dsi_tree;
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proto_item *ti;
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guint8 dsi_flags,dsi_command;
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guint16 dsi_requestid;
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gint32 dsi_code;
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guint32 dsi_length;
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guint32 dsi_reserved;
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struct aspinfo aspinfo;
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "DSI");
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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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dsi_flags = tvb_get_guint8(tvb, 0);
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dsi_command = tvb_get_guint8(tvb, 1);
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dsi_requestid = tvb_get_ntohs(tvb, 2);
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dsi_code = tvb_get_ntohl(tvb, 4);
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dsi_length = tvb_get_ntohl(tvb, 8);
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dsi_reserved = tvb_get_ntohl(tvb, 12);
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s (%u)",
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val_to_str(dsi_flags, flag_vals,
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"Unknown flag (0x%02x)"),
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val_to_str(dsi_command, func_vals,
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"Unknown function (0x%02x)"),
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dsi_requestid);
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}
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if (tree) {
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ti = proto_tree_add_item(tree, proto_dsi, tvb, 0, -1, FALSE);
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dsi_tree = proto_item_add_subtree(ti, ett_dsi);
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proto_tree_add_uint(dsi_tree, hf_dsi_flags, tvb,
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0, 1, dsi_flags);
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proto_tree_add_uint(dsi_tree, hf_dsi_command, tvb,
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1, 1, dsi_command);
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proto_tree_add_uint(dsi_tree, hf_dsi_requestid, tvb,
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2, 2, dsi_requestid);
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switch (dsi_flags) {
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case DSIFL_REQUEST:
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proto_tree_add_int(dsi_tree, hf_dsi_offset, tvb,
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4, 4, dsi_code);
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break;
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case DSIFL_REPLY:
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proto_tree_add_int(dsi_tree, hf_dsi_error, tvb,
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4, 4, dsi_code);
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break;
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}
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proto_tree_add_uint_format(dsi_tree, hf_dsi_length, tvb,
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8, 4, dsi_length,
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"Length: %u bytes", dsi_length);
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proto_tree_add_uint(dsi_tree, hf_dsi_reserved, tvb,
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12, 4, dsi_reserved);
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}
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else
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dsi_tree = tree;
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switch (dsi_command) {
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case DSIFUNC_STAT:
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if (tree && (dsi_flags == DSIFL_REPLY)) {
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dissect_dsi_reply_get_status(tvb, dsi_tree, DSI_BLOCKSIZ);
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}
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break;
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case DSIFUNC_CMD:
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case DSIFUNC_WRITE:
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{
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tvbuff_t *new_tvb;
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int len = tvb_reported_length_remaining(tvb,DSI_BLOCKSIZ);
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aspinfo.reply = (dsi_flags == DSIFL_REPLY);
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aspinfo.command = dsi_command;
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aspinfo.seq = dsi_requestid;
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aspinfo.code = dsi_code;
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pinfo->private_data = &aspinfo;
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proto_item_set_len(dsi_tree, DSI_BLOCKSIZ);
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new_tvb = tvb_new_subset(tvb, DSI_BLOCKSIZ,-1,len);
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call_dissector(afp_handle, new_tvb, pinfo, tree);
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}
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break;
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default:
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if (tree) {
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call_dissector(data_handle,tvb_new_subset(tvb, DSI_BLOCKSIZ,-1,tvb_reported_length_remaining(tvb,DSI_BLOCKSIZ)), pinfo, dsi_tree);
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}
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break;
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}
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}
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static void
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dissect_dsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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volatile int offset = 0;
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int length_remaining;
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guint32 plen;
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int length;
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tvbuff_t *next_tvb;
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while (tvb_reported_length_remaining(tvb, offset) != 0) {
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length_remaining = tvb_length_remaining(tvb, offset);
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/*
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* Can we do reassembly?
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*/
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if (dsi_desegment && pinfo->can_desegment) {
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/*
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* Yes - is the DSI header split across segment
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* boundaries?
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*/
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if (length_remaining < 12) {
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/*
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* Yes. Tell the TCP dissector where
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* the data for this message starts in
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* the data it handed us, and how many
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* more bytes we need, and return.
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*/
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pinfo->desegment_offset = offset;
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pinfo->desegment_len = 12 - length_remaining;
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return;
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}
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}
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/*
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* Get the length of the DSI packet.
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*/
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plen = tvb_get_ntohl(tvb, offset+8);
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/*
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* Can we do reassembly?
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*/
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if (dsi_desegment && pinfo->can_desegment) {
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/*
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* Yes - is the DSI packet split across segment
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* boundaries?
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*/
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if ((guint32)length_remaining < plen + 16) {
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/*
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* Yes. Tell the TCP dissector where
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* the data for this message starts in
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* the data it handed us, and how many
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* more bytes we need, and return.
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*/
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pinfo->desegment_offset = offset;
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pinfo->desegment_len =
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(plen + 16) - length_remaining;
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return;
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}
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}
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/*
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* Construct a tvbuff containing the amount of the payload
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* we have available. Make its reported length the
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* amount of data in the DSI packet.
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*
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* XXX - if reassembly isn't enabled. the subdissector
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* will throw a BoundsError exception, rather than a
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* ReportedBoundsError exception. We really want
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* a tvbuff where the length is "length", the reported
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* length is "plen + 16", and the "if the snapshot length
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* were infinite" length is the minimum of the
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* reported length of the tvbuff handed to us and "plen+16",
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* with a new type of exception thrown if the offset is
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* within the reported length but beyond that third length,
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|
* with that exception getting the "Unreassembled Packet"
|
|
* error.
|
|
*/
|
|
length = length_remaining;
|
|
if ((guint32)length > plen + 16)
|
|
length = plen + 16;
|
|
next_tvb = tvb_new_subset(tvb, offset, length, plen + 16);
|
|
|
|
/*
|
|
* Dissect the DSI packet.
|
|
*
|
|
* Catch the ReportedBoundsError exception; if this
|
|
* particular message happens to get a ReportedBoundsError
|
|
* exception, that doesn't mean that we should stop
|
|
* dissecting DSI messages within this frame or chunk
|
|
* of reassembled data.
|
|
*
|
|
* If it gets a BoundsError, we can stop, as there's nothing
|
|
* more to see, so we just re-throw it.
|
|
*/
|
|
TRY {
|
|
dissect_dsi_packet(next_tvb, pinfo, tree);
|
|
}
|
|
CATCH(BoundsError) {
|
|
RETHROW;
|
|
}
|
|
CATCH(ReportedBoundsError) {
|
|
show_reported_bounds_error(tvb, pinfo, tree);
|
|
}
|
|
ENDTRY;
|
|
|
|
/*
|
|
* Skip the DSI header and the payload.
|
|
*/
|
|
offset += plen + 16;
|
|
}
|
|
}
|
|
|
|
void
|
|
proto_register_dsi(void)
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_dsi_flags,
|
|
{ "Flags", "dsi.flags",
|
|
FT_UINT8, BASE_HEX, VALS(flag_vals), 0x0,
|
|
"Indicates request or reply.", HFILL }},
|
|
|
|
{ &hf_dsi_command,
|
|
{ "Command", "dsi.command",
|
|
FT_UINT8, BASE_DEC, VALS(func_vals), 0x0,
|
|
"Represents a DSI command.", HFILL }},
|
|
|
|
{ &hf_dsi_requestid,
|
|
{ "Request ID", "dsi.requestid",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Keeps track of which request this is. Replies must match a Request. IDs must be generated in sequential order.", HFILL }},
|
|
|
|
{ &hf_dsi_offset,
|
|
{ "Data offset", "dsi.data_offset",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Data offset", HFILL }},
|
|
|
|
{ &hf_dsi_error,
|
|
{ "Error code", "dsi.error_code",
|
|
FT_INT32, BASE_DEC, VALS(asp_error_vals), 0x0,
|
|
"Error code", HFILL }},
|
|
|
|
{ &hf_dsi_length,
|
|
{ "Length", "dsi.length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Total length of the data that follows the DSI header.", HFILL }},
|
|
|
|
{ &hf_dsi_reserved,
|
|
{ "Reserved", "dsi.reserved",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"Reserved for future use. Should be set to zero.", HFILL }},
|
|
|
|
{ &hf_dsi_server_name,
|
|
{ "Server name", "dsi.server_name",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Server name", HFILL }},
|
|
|
|
{ &hf_dsi_server_type,
|
|
{ "Server type", "dsi.server_type",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Server type", HFILL }},
|
|
|
|
{ &hf_dsi_server_vers,
|
|
{ "AFP version", "dsi.server_vers",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0x0,
|
|
"AFP version", HFILL }},
|
|
|
|
{ &hf_dsi_server_uams,
|
|
{ "UAM", "dsi.server_uams",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0x0,
|
|
"UAM", HFILL }},
|
|
|
|
{ &hf_dsi_server_icon,
|
|
{ "Icon bitmap", "dsi.server_icon",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Server icon bitmap", HFILL }},
|
|
|
|
{ &hf_dsi_server_signature,
|
|
{ "Server signature", "dsi.server_signature",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Server signature", HFILL }},
|
|
|
|
{ &hf_dsi_server_flag,
|
|
{ "Flag", "dsi.server_flag",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Server capabilities flag", HFILL }},
|
|
{ &hf_dsi_server_flag_copyfile,
|
|
{ "Support copyfile", "dsi.server_flag.copyfile",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_COPY,
|
|
"Server support copyfile", HFILL }},
|
|
{ &hf_dsi_server_flag_passwd,
|
|
{ "Support change password", "dsi.server_flag.passwd",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_PASSWD,
|
|
"Server support change password", HFILL }},
|
|
{ &hf_dsi_server_flag_no_save_passwd,
|
|
{ "Don't allow save password", "dsi.server_flag.no_save_passwd",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_NOSAVEPASSWD,
|
|
"Don't allow save password", HFILL }},
|
|
{ &hf_dsi_server_flag_srv_msg,
|
|
{ "Support server message", "dsi.server_flag.srv_msg",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVMSGS,
|
|
"Support server message", HFILL }},
|
|
{ &hf_dsi_server_flag_srv_sig,
|
|
{ "Support server signature", "dsi.server_flag.srv_sig",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVSIGNATURE,
|
|
"Support server signature", HFILL }},
|
|
{ &hf_dsi_server_flag_tcpip,
|
|
{ "Support TCP/IP", "dsi.server_flag.tcpip",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_TCPIP,
|
|
"Server support TCP/IP", HFILL }},
|
|
{ &hf_dsi_server_flag_notify,
|
|
{ "Support server notifications", "dsi.server_flag.notify",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_SRVNOTIFY,
|
|
"Server support notifications", HFILL }},
|
|
{ &hf_dsi_server_flag_fast_copy,
|
|
{ "Support fast copy", "dsi.server_flag.fast_copy",
|
|
FT_BOOLEAN, 16, NULL, AFPSRVRINFO_FASTBOZO,
|
|
"Server support fast copy", HFILL }},
|
|
|
|
|
|
{ &hf_dsi_server_addr_len,
|
|
{ "Length", "dsi.server_addr.len",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Address length.", HFILL }},
|
|
|
|
{ &hf_dsi_server_addr_type,
|
|
{ "Type", "dsi.server_addr.type",
|
|
FT_UINT8, BASE_DEC, VALS(afp_server_addr_type_vals), 0x0,
|
|
"Address type.", HFILL }},
|
|
|
|
{ &hf_dsi_server_addr_value,
|
|
{ "Value", "dsi.server_addr.value",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Address value", HFILL }},
|
|
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_dsi,
|
|
&ett_dsi_status,
|
|
&ett_dsi_status_server_flag,
|
|
&ett_dsi_vers,
|
|
&ett_dsi_uams,
|
|
&ett_dsi_addr,
|
|
};
|
|
module_t *dsi_module;
|
|
|
|
proto_dsi = proto_register_protocol("Data Stream Interface", "DSI", "dsi");
|
|
proto_register_field_array(proto_dsi, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
dsi_module = prefs_register_protocol(proto_dsi, NULL);
|
|
prefs_register_bool_preference(dsi_module, "desegment",
|
|
"Desegment all DSI messages spanning multiple TCP segments",
|
|
"Whether the DSI dissector should desegment all messages spanning multiple TCP segments",
|
|
&dsi_desegment);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_dsi(void)
|
|
{
|
|
static dissector_handle_t dsi_handle;
|
|
|
|
dsi_handle = create_dissector_handle(dissect_dsi, proto_dsi);
|
|
dissector_add("tcp.port", TCP_PORT_DSI, dsi_handle);
|
|
|
|
data_handle = find_dissector("data");
|
|
afp_handle = find_dissector("afp");
|
|
}
|