![Guy Harris](/assets/img/avatar_default.png)
protocols, in addition to adding structures to the list of filterable fields. Give it an extra argument that specifies a "short name" for the protocol, for use in such places as pinfo->current_proto; the dialog box for constructing filters; the preferences tab for the protocol; and so on (although we're not yet using it in all those places). Make the preference name that appears in the preferences file and the command line for the DIAMETER protocol "diameter", not "Diameter"; the convention is that the name in question be all-lower-case. Make some routines and variables that aren't exported static. Update a comment in the ICP dissector to make it clear that the dissector won't see fragments other than the first fragment of a fragmented datagram. svn path=/trunk/; revision=2810
1267 lines
34 KiB
C
1267 lines
34 KiB
C
/* packet-smb-pipe.c
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* Routines for smb packet dissection
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* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
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*
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* $Id: packet-smb-pipe.c,v 1.15 2001/01/03 06:55:32 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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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 <time.h>
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#include <string.h>
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#include <glib.h>
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#include <ctype.h>
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#include "packet.h"
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#include "conversation.h"
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#include "smb.h"
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#include "alignment.h"
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#include "strutil.h"
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static int proto_smb_lanman = -1;
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static gint ett_lanman = -1;
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static gint ett_lanman_servers = -1;
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static gint ett_lanman_server = -1;
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static gint ett_lanman_shares = -1;
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static gint ett_lanman_share = -1;
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static gint ett_lanman_flags = -1;
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/*
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* See
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*
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* ftp://ftp.microsoft.com/developr/drg/CIFS/cifsrap2.txt
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*
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* among other documents.
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*/
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/*
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* The following data structure describes the LANMAN requests we understand
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*
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* Simply fill in the number, name, and parameter names if you know them
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* Try to keep them in order
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*
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* We will extend this data structure as we try to decode more ...
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*/
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struct lanman_desc {
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int lanman_num;
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char *lanman_name;
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char **req;
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char **req_data; /* Hmmm, not flexible enough */
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char **resp;
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char **resp_data;
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};
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static char *lm_params_req_0[] = {"Detail Level", "Return Buffer Size", NULL};
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static char *lm_params_req_1[] = {"Share Name", "Detail Level", "Receive Buffer Size", NULL};
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static char *lm_params_resp_1[] = {"Returned Data Len", NULL};
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static char *lm_params_req_13[] = {"Detail Level", "Receive Buffer Size", NULL};
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static char *lm_params_req_56[] = {"User Name", "Detail Level", "Receive Buffer Size", NULL};
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static char *lm_params_req_104[] = {"Detail Level", "Return Buffer Size", "Server Type", "Domain", NULL};
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static char *lm_params_req_132[] = {"Reserved1", "Reserved2", "Detail Level", "UserInfoStruct?", "Length of UStruct", "Receive Buffer Size", NULL};
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static char *lm_params_req_133[] = {"Reserved1", "Reserved2", "Detail Level", "UserInfoStruct?", "Length of UStruct", "Receive Buffer Size", NULL};
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static char *lm_null_params[] = {NULL};
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struct lanman_desc lmd[] = {
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{0, "NetShareEnum", lm_params_req_0, lm_null_params, lm_null_params, lm_null_params},
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{1, "NetShareGetInfo", lm_params_req_1, lm_null_params, lm_params_resp_1, lm_null_params},
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{13, "NetServerGetInfo", lm_params_req_13, lm_null_params, lm_null_params, lm_null_params},
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{52, "NetGroupGetUsers", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{56, "NetUserGetInfo", lm_params_req_56, lm_null_params, lm_null_params, lm_null_params},
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{59, "NetUserGetGroups", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{63, "NetWkstaGetInfo", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{69, "DOSPrintQEnum", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{70, "DOSPrintQGetInfo", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{74, "WPrintQueuePause", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{75, "WPrintQueueResume", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{76, "WPrintJobEnumerate", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{77, "WPrintJobGetInfo", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{81, "RDOSPrintJobDel", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{82, "RDOSPrintJobPause", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{83, "RDOSPrintJobResume", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{84, "WPrintDestEnum", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{85, "WPrintDestGetInfo", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{91, "NetRemoteTOD", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{103, "WPrintQueuePurge", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{104, "NetServerEnum2", lm_params_req_104, lm_null_params, lm_null_params, lm_null_params},
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{105, "WAccessGetUserPerms", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{115, "SetUserPassword", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{132, "NetWkstaUserLogon", lm_params_req_132, lm_null_params, lm_null_params, lm_null_params},
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{133, "NetWkstaUserLogoff", lm_params_req_133, lm_null_params, lm_null_params, lm_null_params},
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{147, "PrintJobInfo", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{205, "WPrintDriverEnum", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{206, "WPrintQProcEnum", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{207, "WPrintPortEnum", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{214, "SamOEMChangePassword", lm_null_params, lm_null_params, lm_null_params, lm_null_params},
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{-1, NULL, NULL,NULL, NULL, NULL}
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};
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struct lanman_desc *
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find_lanman(int lanman_num)
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{
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int i = 0;
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/* FIXME, This could be more efficient */
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while (lmd[i].lanman_num != -1) {
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if (lmd[i].lanman_num == lanman_num) {
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return &lmd[i];
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}
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i++;
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}
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return NULL;
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}
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#define NETSHAREENUM 0x00 /* 00 */
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#define NETSERVERENUM2 0x68 /* 104 */
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void dissect_server_flags(proto_tree *tree, int offset, int length, int flags)
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{
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0001, length*8, "Workstation", "Not Workstation"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0002, length*8, "Server", "Not Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0004, length*8, "SQL Server", "Not SQL Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0008, length*8, "Domain Controller", "Not Domain Controller"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0010, length*8, "Backup Controller", "Not Backup Controller"));
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proto_tree_add_text(tree, NullTVB, offset, 4, "%s",
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decode_boolean_bitfield(flags, 0x0020, length*8, "Time Source", "Not Time Source"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0040, length*8, "Apple Server", "Not Apple Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0080, length*8, "Novell Server", "Not Novell Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0100, length*8, "Domain Member Server", "Not Domain Member Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0200, length*8, "Print Queue Server", "Not Print Queue Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0400, length*8, "Dialin Server", "Not Dialin Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x0800, length*8, "Xenix Server", "Not Xenix Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x1000, length*8, "NT Workstation", "Not NT Workstation"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x2000, length*8, "Windows for Workgroups", "Not Windows for Workgroups"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x8000, length*8, "NT Server", "Not NT Server"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x10000, length*8, "Potential Browser", "Not Potential Browser"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x20000, length*8, "Backup Browser", "Not Backup Browser"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x40000, length*8, "Master Browser", "Not Master Browser"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x80000, length*8, "Domain Master Browser", "Not Domain Master Browser"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x100000, length*8, "OSF", "Not OSF"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x200000, length*8, "VMS", "Not VMS"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x400000, length*8, "Windows 95 or above", "Not Windows 95 or above"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x40000000, length*8, "Local List Only", "Not Local List Only"));
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proto_tree_add_text(tree, NullTVB, offset, length, "%s",
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decode_boolean_bitfield(flags, 0x80000000, length*8, "Domain Enum", "Not Domain Enum"));
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}
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static char *p_desc = NULL, *d_desc = NULL, *data = NULL, *params = NULL;
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static int p_count, d_count, p_offset, d_offset, d_current = 0, p_current = 0;
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static int pd_p_current = 0, pd_d_current = 0, in_params = 0, need_data = 0;
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static int lm_ent_count = 0, lm_act_count = 0;
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/* Initialize the various data structure */
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void
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dissect_transact_engine_init(const u_char *pd, const char *param_desc, const char *data_desc, int SMB_offset, int ParameterOffset, int ParameterCount, int DataOffset, int DataCount)
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{
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d_count = DataCount;
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p_count = ParameterCount;
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d_offset = 0;
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p_offset = 0;
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d_current = 0;
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p_current = 0;
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lm_ent_count = lm_act_count = 0;
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pd_d_current = DataOffset;
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pd_p_current = ParameterOffset;
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in_params = need_data = 0;
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if (p_desc) g_free(p_desc);
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p_desc = g_malloc(strlen(param_desc) + 1);
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strcpy(p_desc, param_desc);
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if (d_desc) g_free(d_desc);
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d_desc= g_malloc(strlen(data_desc) + 1);
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strcpy(d_desc, data_desc);
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if (params) g_free(params);
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params = g_malloc(p_count);
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memcpy(params, pd + ParameterOffset, ParameterCount);
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if (data) g_free(data);
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data = g_malloc(d_count);
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memcpy(data, pd + DataOffset, DataCount);
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}
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int get_ent_count()
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{
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return lm_ent_count;
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}
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int get_act_count()
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{
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return lm_act_count;
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}
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int get_byte_count(const u_char *p_data)
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{
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int count = 0, off = 0;
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while (p_data[off] && isdigit(p_data[off])) {
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count = (count * 10) + (int)p_data[off++] - (int)'0';
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}
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return count;
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}
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/* Dissect the next item, if Name is null, call it by its data type */
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/* We pull out the next item in the appropriate place and display it */
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/* We display the parameters first, then the data, then any auxilliary data */
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int dissect_transact_next(const u_char *pd, char *Name, int dirn, proto_tree *tree)
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{
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/* guint8 BParam; */
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guint16 WParam = 0;
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guint32 LParam = 0;
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const char /**Bytes,*/ *AsciiZ = NULL;
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int bc;
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while (1) {
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if (p_desc[p_offset] == 0) return 0; /* No more ... */
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switch (in_params) {
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case 0: /* We are in the params area ... */
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switch (p_desc[p_offset++]) {
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case 'r':
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if (dirn == 0) { /* We need to process the data ... */
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need_data = 1;
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}
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break;
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case 'h': /* A WORD parameter received */
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if (dirn == 0) {
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WParam = GSHORT(pd, pd_p_current);
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proto_tree_add_text(tree, NullTVB, pd_p_current, 2, "%s: %u (%04X)", (Name) ? Name : "Returned Word", WParam, WParam);
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pd_p_current += 2;
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lm_act_count = WParam;
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return 1;
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}
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break;
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case 'e': /* An ent count .. */
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if (dirn == 0) { /* Only relevant in a response */
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WParam = GSHORT(pd, pd_p_current);
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proto_tree_add_text(tree, NullTVB, pd_p_current, 2, "%s: (%04X)", (Name) ? Name : "Entry Count", WParam);
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pd_p_current += 2;
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lm_ent_count = WParam; /* Save this for later retrieval */
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return 1;
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}
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break;
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case 'W': /* Word Parameter */
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if (dirn == 1) { /* A request ... */
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/* Insert a word param */
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WParam = GSHORT(pd, pd_p_current);
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proto_tree_add_text(tree, NullTVB, pd_p_current, 2, "%s: %u (%04X)", (Name) ? Name : "Word Param", WParam, WParam);
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pd_p_current += 2;
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return 1; /* That's it here ... we have dissected a param */
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}
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break;
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case 'i': /* A long word is returned */
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if (dirn == 0) {
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LParam = GWORD(pd, pd_p_current);
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proto_tree_add_text(tree, NullTVB, pd_p_current, 4, "%s: %u (0x%08X)", (Name) ? Name : "Returned Long Word", LParam, LParam);
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pd_p_current += 2;
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return 1;
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}
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break;
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case 'D': /* Double Word parameter */
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if (dirn == 1) {
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LParam = GWORD(pd, pd_p_current);
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proto_tree_add_text(tree, NullTVB, pd_p_current, 4, "%s: %u (0x%08X)", (Name) ? Name : "DWord Param", LParam, LParam);
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pd_p_current += 4;
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return 1; /* That's it here */
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}
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break;
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case 'g': /* A byte or series of bytes is returned */
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if (dirn == 0) {
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bc = get_byte_count(p_desc + p_offset);
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proto_tree_add_text(tree, NullTVB, pd_p_current, bc, "%s%u: %s", (Name) ? Name : "B", (bc) ? bc : 1, format_text( pd + pd_p_current, (bc) ? bc : 1));
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pd_p_current += (bc) ? bc : 1;
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return 1;
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}
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break;
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|
|
case 'b': /* A byte or series of bytes */
|
|
|
|
if (dirn == 1) {
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|
|
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bc = get_byte_count(p_desc + p_offset); /* This is not clean */
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|
|
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/*Bytes = g_malloc(bc + 1); / * Is this needed ? */
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|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, bc, "%s%u: %s", (Name) ? Name : "B", (bc) ? bc : 1, format_text(pd + pd_p_current, (bc) ? bc : 1));
|
|
|
|
pd_p_current += (bc) ? bc : 1;
|
|
|
|
return 1; /* That's it here ... */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'O': /* A null pointer */
|
|
|
|
if (dirn == 1) {
|
|
|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, 0, "%s: Null Pointer", (Name) ? Name : "Unknown");
|
|
|
|
return 1; /* That's it here */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'z': /* An AsciiZ string */
|
|
|
|
if (dirn == 1) {
|
|
|
|
AsciiZ = pd + pd_p_current;
|
|
|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, strlen(AsciiZ) + 1, "%s: %s", (Name) ? Name : "AsciiZ", AsciiZ);
|
|
|
|
pd_p_current += strlen(AsciiZ) + 1;
|
|
|
|
return 1; /* That's it here ... */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'F': /* One or more pad bytes */
|
|
|
|
if (dirn == 1) {
|
|
|
|
bc = get_byte_count(pd);
|
|
|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, bc, "%s%u: %s", (Name) ? Name : "Pad", bc, format_text(pd + pd_p_current, bc));
|
|
|
|
pd_p_current += bc;
|
|
|
|
return 1; /* That's it here */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'L': /* Receive buffer len: Short */
|
|
|
|
if (dirn == 1) {
|
|
|
|
WParam = GSHORT(pd, pd_p_current);
|
|
|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, 2, "%s: %u (0x%04X)", (Name) ? Name : "Receive Buffer Len", WParam, WParam);
|
|
|
|
pd_p_current += 2;
|
|
|
|
return 1; /* That's it here ... */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 's': /* Send buf ... */
|
|
|
|
if (dirn == 1) {
|
|
|
|
need_data = 1;
|
|
|
|
LParam = GWORD(pd, pd_p_current);
|
|
|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, 4, "%s: %u", (Name) ? Name : "Send Buffer Ptr", LParam);
|
|
|
|
pd_p_current += 4;
|
|
|
|
return 1; /* That's it here ... */
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'T':
|
|
|
|
if (dirn == 1) {
|
|
|
|
WParam = GSHORT(pd, pd_p_current);
|
|
|
|
proto_tree_add_text(tree, NullTVB, pd_p_current, 2, "%s: %u", (Name) ? Name : "Send Buffer Len", WParam);
|
|
|
|
pd_p_current += 2;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 1: /* We are in the data area ... */
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static const value_string share_type_vals[] = {
|
|
{0, "Directory tree"},
|
|
{1, "Printer queue"},
|
|
{2, "Communications device"},
|
|
{3, "IPC"},
|
|
{0, NULL}
|
|
};
|
|
|
|
guint32
|
|
dissect_pipe_lanman(const u_char *pd, int offset, frame_data *fd,
|
|
proto_tree *parent, proto_tree *tree, struct smb_info si,
|
|
int max_data, int SMB_offset, int errcode, int dirn,
|
|
const u_char *command, int DataOffset, int DataCount,
|
|
int ParameterOffset, int ParameterCount) {
|
|
|
|
|
|
guint32 loc_offset = SMB_offset + ParameterOffset;
|
|
guint16 FunctionCode;
|
|
guint16 Level;
|
|
guint16 RecvBufLen;
|
|
guint32 Flags;
|
|
const char *ParameterDescriptor;
|
|
const char *ReturnDescriptor;
|
|
proto_tree *lanman_tree = NULL, *flags_tree = NULL;
|
|
proto_item *ti;
|
|
struct lanman_desc *lanman;
|
|
guint32 string_offset;
|
|
|
|
if (check_col(fd, COL_PROTOCOL))
|
|
col_add_fstr(fd, COL_PROTOCOL, "LANMAN");
|
|
|
|
if (dirn == 1) { /* The request side */
|
|
|
|
FunctionCode = GSHORT(pd, loc_offset);
|
|
|
|
si.request_val -> last_lanman_cmd = FunctionCode;
|
|
|
|
switch (FunctionCode) {
|
|
|
|
case NETSHAREENUM: /* Never decode this at the moment ... */
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
col_add_fstr(fd, COL_INFO, "NetShareEnum Request");
|
|
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + ParameterOffset, ParameterCount, FALSE);
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Function Code: NetShareEnum");
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
ParameterDescriptor = pd + loc_offset;
|
|
|
|
si.request_val -> trans_response_seen = 0;
|
|
|
|
if (si.request_val -> last_param_descrip) g_free(si.request_val -> last_param_descrip);
|
|
si.request_val -> last_param_descrip = g_malloc(strlen(ParameterDescriptor) + 1);
|
|
if (si.request_val -> last_param_descrip)
|
|
strcpy(si.request_val -> last_param_descrip, ParameterDescriptor);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, strlen(ParameterDescriptor) + 1, "Parameter Descriptor: %s", ParameterDescriptor);
|
|
|
|
}
|
|
|
|
loc_offset += strlen(ParameterDescriptor) + 1;
|
|
|
|
ReturnDescriptor = pd + loc_offset;
|
|
|
|
if (si.request_val -> last_data_descrip) g_free(si.request_val -> last_data_descrip);
|
|
si.request_val -> last_data_descrip = g_malloc(strlen(ReturnDescriptor) + 1);
|
|
if (si.request_val -> last_data_descrip)
|
|
strcpy(si.request_val -> last_data_descrip, ReturnDescriptor);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, strlen(ReturnDescriptor) + 1, "Return Descriptor: %s", ReturnDescriptor);
|
|
|
|
}
|
|
|
|
loc_offset += strlen(ReturnDescriptor) + 1;
|
|
|
|
Level = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Detail Level: %u", Level);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
RecvBufLen = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Receive Buffer Length: %u", RecvBufLen);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
break;
|
|
|
|
case NETSERVERENUM2: /* Process a NetServerEnum2 */
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
col_add_fstr(fd, COL_INFO, "NetServerEnum2 %s", dirn ? "Request" : "Response");
|
|
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + ParameterOffset, ParameterCount, FALSE);
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Function Code: NetServerEnum2");
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
ParameterDescriptor = pd + loc_offset;
|
|
|
|
/* Now, save these for later */
|
|
|
|
si.request_val -> trans_response_seen = 0;
|
|
|
|
if (si.request_val -> last_param_descrip) g_free(si.request_val -> last_param_descrip);
|
|
si.request_val -> last_param_descrip = g_malloc(strlen(ParameterDescriptor) + 1);
|
|
if (si.request_val -> last_param_descrip)
|
|
strcpy(si.request_val -> last_param_descrip, ParameterDescriptor);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, strlen(ParameterDescriptor) + 1, "Parameter Descriptor: %s", ParameterDescriptor);
|
|
|
|
}
|
|
|
|
loc_offset += strlen(ParameterDescriptor) + 1;
|
|
|
|
ReturnDescriptor = pd + loc_offset;
|
|
|
|
if (si.request_val -> last_data_descrip) g_free(si.request_val -> last_data_descrip);
|
|
|
|
si.request_val -> last_data_descrip = g_malloc(strlen(ReturnDescriptor) + 1);
|
|
if (si.request_val -> last_data_descrip)
|
|
strcpy(si.request_val -> last_data_descrip, ReturnDescriptor);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, strlen(ReturnDescriptor) + 1, "Return Descriptor: %s", ReturnDescriptor);
|
|
|
|
}
|
|
|
|
loc_offset += strlen(ReturnDescriptor) + 1;
|
|
|
|
Level = GSHORT(pd, loc_offset);
|
|
si.request_val -> last_level = Level;
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Info Detail Level: %u", Level);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
RecvBufLen = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Receive Buffer Length: %u", RecvBufLen);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
Flags = GWORD(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 4, "Server Types Required: 0x%08X", Flags);
|
|
flags_tree = proto_item_add_subtree(ti, ett_lanman_flags);
|
|
dissect_server_flags(flags_tree, loc_offset, 4, Flags);
|
|
|
|
}
|
|
|
|
loc_offset += 4;
|
|
|
|
return 1;
|
|
break;
|
|
|
|
default: /* Just try to handle what is there ... */
|
|
|
|
lanman = find_lanman(FunctionCode);
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
if (lanman) {
|
|
col_add_fstr(fd, COL_INFO, "%s Request", lanman -> lanman_name);
|
|
}
|
|
else {
|
|
col_add_fstr(fd, COL_INFO, "Unknown LANMAN Request: %u", FunctionCode);
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + ParameterOffset, ParameterCount, FALSE);
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
|
|
if (lanman) {
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "%s Request", lanman -> lanman_name);
|
|
}
|
|
else {
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Function Code: Unknown LANMAN Request: %u", FunctionCode);
|
|
}
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
ParameterDescriptor = pd + loc_offset;
|
|
|
|
si.request_val -> trans_response_seen = 0;
|
|
|
|
if (si.request_val -> last_param_descrip) g_free(si.request_val -> last_param_descrip);
|
|
si.request_val -> last_param_descrip = g_malloc(strlen(ParameterDescriptor) + 1);
|
|
if (si.request_val -> last_param_descrip)
|
|
strcpy(si.request_val -> last_param_descrip, ParameterDescriptor);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, strlen(ParameterDescriptor) + 1, "Parameter Descriptor: %s", ParameterDescriptor);
|
|
|
|
}
|
|
|
|
loc_offset += strlen(ParameterDescriptor) + 1;
|
|
|
|
ReturnDescriptor = pd + loc_offset;
|
|
|
|
if (si.request_val -> last_data_descrip) g_free(si.request_val -> last_data_descrip);
|
|
si.request_val -> last_data_descrip = g_malloc(strlen(ReturnDescriptor) + 1);
|
|
if (si.request_val -> last_data_descrip)
|
|
strcpy(si.request_val -> last_data_descrip, ReturnDescriptor);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, strlen(ReturnDescriptor) + 1, "Return Descriptor: %s", ReturnDescriptor);
|
|
|
|
}
|
|
|
|
loc_offset += strlen(ReturnDescriptor) + 1;
|
|
|
|
if (tree) {
|
|
|
|
int i = 0; /* Counter for names below */
|
|
char *name = NULL;
|
|
|
|
dissect_transact_engine_init(pd, ParameterDescriptor, ReturnDescriptor,SMB_offset, loc_offset, ParameterCount, DataOffset, DataCount);
|
|
|
|
if (lanman) name = lanman -> req[i]; /* Must be OK ... */
|
|
|
|
while (dissect_transact_next(pd, name, dirn, lanman_tree))
|
|
if (name) name = lanman -> req[++i];
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
}
|
|
else { /* Dirn == 0, response */
|
|
guint16 Status;
|
|
guint16 Convert;
|
|
guint16 EntCount;
|
|
guint16 AvailCount;
|
|
guint32 loc_offset = 0;
|
|
int i;
|
|
proto_tree *server_tree = NULL, *flags_tree = NULL, *share_tree = NULL;
|
|
|
|
FunctionCode = si.request_val -> last_lanman_cmd;
|
|
|
|
/*
|
|
* If we have already seen the response to this transact, simply
|
|
* record it as a continuation ...
|
|
*/
|
|
|
|
/*$$ printf("TransResponseSeen = %u\n", si.request_val -> trans_response_seen);
|
|
*/
|
|
if (si.request_val -> trans_response_seen == 1) {
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
col_add_fstr(fd, COL_INFO, "Transact Continuation");
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + DataOffset, END_OF_FRAME, FALSE);
|
|
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, END_OF_FRAME, "Payload: %s", format_text(pd + SMB_offset + DataOffset, END_OF_FRAME));
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
|
|
}
|
|
|
|
si.request_val -> trans_response_seen = 1;
|
|
|
|
switch (FunctionCode) {
|
|
|
|
case NETSHAREENUM:
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
col_add_fstr(fd, COL_INFO, "NetShareEnum Response");
|
|
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + ParameterOffset, END_OF_FRAME, FALSE);
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 0, "Function Code: NetShareEnum");
|
|
|
|
}
|
|
|
|
si.request_val -> trans_response_seen = 1;
|
|
|
|
loc_offset = SMB_offset + ParameterOffset;
|
|
|
|
Status = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Status: %u", Status);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
Convert = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Convert: %u", Convert);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
EntCount = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Entry Count: %u", EntCount);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
AvailCount = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Available Entries: %u", AvailCount);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_text(lanman_tree, NullTVB, loc_offset, AvailCount * 20, "Available Shares");
|
|
|
|
share_tree = proto_item_add_subtree(ti, ett_lanman_shares);
|
|
|
|
}
|
|
|
|
for (i = 1; i <= EntCount; i++) {
|
|
const gchar *Share = pd + loc_offset;
|
|
guint32 Flags;
|
|
const gchar *Comment;
|
|
proto_tree *share = NULL;
|
|
proto_item *ti = NULL;
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_text(share_tree, NullTVB, loc_offset, 20, "Share %s", Share);
|
|
share = proto_item_add_subtree(ti, ett_lanman_share);
|
|
|
|
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(share, NullTVB, loc_offset, 13, "Share Name: %s", Share);
|
|
|
|
}
|
|
|
|
loc_offset += 13;
|
|
|
|
loc_offset += 1; /* Pad byte ... */
|
|
|
|
Flags = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(share, NullTVB, loc_offset, 2, "Share Type: %s",
|
|
val_to_str(Flags, share_type_vals, "Unknown (%u)"));
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
/* XXX - should check whether all of the string is within the
|
|
frame. */
|
|
string_offset = SMB_offset + DataOffset + (GWORD(pd, loc_offset) & 0xFFFF) - Convert;
|
|
if (IS_DATA_IN_FRAME(string_offset))
|
|
Comment = pd + string_offset;
|
|
else
|
|
Comment = "<String goes past end of frame>";
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(share, NullTVB, loc_offset, 4, "Share Comment: %s", Comment);
|
|
|
|
}
|
|
|
|
loc_offset += 4;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case NETSERVERENUM2:
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
col_add_fstr(fd, COL_INFO, "NetServerEnum2 %s", dirn ? "Request" : "Response");
|
|
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + ParameterOffset, END_OF_FRAME, FALSE);
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Function Code: NetServerEnum2");
|
|
|
|
}
|
|
|
|
loc_offset = SMB_offset + ParameterOffset;
|
|
Status = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Status: %u", Status);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
Convert = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Convert: %u", Convert);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
EntCount = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Entry Count: %u", EntCount);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
AvailCount = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Available Entries: %u", AvailCount);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 26 * AvailCount, "Servers");
|
|
if (ti == NULL) {
|
|
|
|
printf("Null value returned from proto_tree_add_text\n");
|
|
exit(1);
|
|
|
|
}
|
|
|
|
server_tree = proto_item_add_subtree(ti, ett_lanman_servers);
|
|
|
|
}
|
|
|
|
/* Make sure we don't go past the end of the capture buffer */
|
|
|
|
for (i = 1; (i <= EntCount) && ((pi.captured_len - loc_offset) >= 16); i++) {
|
|
const gchar *Server = pd + loc_offset;
|
|
gint8 ServerMajor;
|
|
guint ServerMinor;
|
|
guint32 ServerFlags;
|
|
const gchar *Comment;
|
|
proto_tree *server = NULL;
|
|
proto_item *ti;
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_text(server_tree, NullTVB, loc_offset,
|
|
(si.request_val -> last_level) ? 26 : 16,
|
|
"Server %s", Server);
|
|
server = proto_item_add_subtree(ti, ett_lanman_server);
|
|
|
|
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(server, NullTVB, loc_offset, 16, "Server Name: %s", Server);
|
|
|
|
}
|
|
|
|
loc_offset += 16;
|
|
|
|
if (si.request_val -> last_level) { /* Print out the rest of the info */
|
|
|
|
ServerMajor = GBYTE(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(server, NullTVB, loc_offset, 1, "Major Version: %u", ServerMajor);
|
|
|
|
}
|
|
|
|
loc_offset += 1;
|
|
|
|
ServerMinor = GBYTE(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(server, NullTVB, loc_offset, 1, "Minor Version: %u", ServerMinor);
|
|
|
|
}
|
|
|
|
loc_offset += 1;
|
|
|
|
ServerFlags = GWORD(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_text(server, NullTVB, loc_offset, 4, "Server Type: 0x%08X", ServerFlags);
|
|
flags_tree = proto_item_add_subtree(ti, ett_lanman_flags);
|
|
dissect_server_flags(flags_tree, loc_offset, 4, ServerFlags);
|
|
|
|
}
|
|
|
|
loc_offset += 4;
|
|
|
|
/* XXX - should check whether all of the string is within the
|
|
frame. */
|
|
string_offset = SMB_offset + DataOffset + (GWORD(pd, loc_offset) & 0xFFFF) - Convert;
|
|
if (IS_DATA_IN_FRAME(string_offset))
|
|
Comment = pd + string_offset;
|
|
else
|
|
Comment = "<String goes past end of frame>";
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(server, NullTVB, loc_offset, 4, "Server Comment: %s", Comment);
|
|
|
|
}
|
|
|
|
loc_offset += 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
lanman = find_lanman(si.request_val -> last_lanman_cmd);
|
|
|
|
if (check_col(fd, COL_INFO)) {
|
|
|
|
if (lanman) {
|
|
col_add_fstr(fd, COL_INFO, "%s Response", lanman -> lanman_name);
|
|
}
|
|
else {
|
|
col_add_fstr(fd, COL_INFO, "Unknown LANMAN Response: %u", FunctionCode);
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_item(parent, proto_smb_lanman, NullTVB, SMB_offset + ParameterOffset, END_OF_FRAME, FALSE);
|
|
lanman_tree = proto_item_add_subtree(ti, ett_lanman);
|
|
if (lanman) {
|
|
proto_tree_add_text(lanman_tree, NullTVB, 0, 0, "%s Response", lanman -> lanman_name);
|
|
}
|
|
else {
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 0, "Function Code: Unknown LANMAN Response: %u", FunctionCode);
|
|
}
|
|
}
|
|
|
|
loc_offset = SMB_offset + ParameterOffset;
|
|
|
|
Status = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Status: %u", Status);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
Convert = GSHORT(pd, loc_offset);
|
|
|
|
if (tree) {
|
|
|
|
proto_tree_add_text(lanman_tree, NullTVB, loc_offset, 2, "Convert: %u", Convert);
|
|
|
|
}
|
|
|
|
loc_offset += 2;
|
|
|
|
if (tree) {
|
|
|
|
int i = 0;
|
|
char *name = NULL;
|
|
|
|
dissect_transact_engine_init(pd, si.request_val -> last_param_descrip, si.request_val -> last_data_descrip, SMB_offset, loc_offset, ParameterCount, DataOffset, DataCount);
|
|
|
|
if (lanman) name = lanman -> resp[i];
|
|
|
|
while (dissect_transact_next(pd, name, dirn, lanman_tree))
|
|
if (name) name = lanman -> resp[++i];
|
|
|
|
}
|
|
|
|
return 1;
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
guint32
|
|
dissect_pipe_smb(const u_char *pd, int offset, frame_data *fd, proto_tree *parent, proto_tree *tree, struct smb_info si, int max_data, int SMB_offset, int errcode, int dirn, const u_char *command, int DataOffset, int DataCount, int ParameterOffset, int ParameterCount)
|
|
{
|
|
|
|
if (!proto_is_protocol_enabled(proto_smb_lanman))
|
|
return 0;
|
|
|
|
if (command != NULL && strcmp(command, "LANMAN") == 0) { /* Try to decode a LANMAN */
|
|
|
|
return dissect_pipe_lanman(pd, offset, fd, parent, tree, si, max_data, SMB_offset, errcode, dirn, command, DataOffset, DataCount, ParameterOffset, ParameterCount);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
register_proto_smb_pipe( void){
|
|
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_lanman,
|
|
&ett_lanman_servers,
|
|
&ett_lanman_server,
|
|
&ett_lanman_shares,
|
|
&ett_lanman_share,
|
|
&ett_lanman_flags
|
|
};
|
|
|
|
|
|
proto_smb_lanman = proto_register_protocol(
|
|
"Microsoft Windows Lanman Protocol", "LANMAN", "lanman");
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|