2 * Routines for SMB Browser packet dissection
3 * Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
5 * $Id: packet-smb-browse.c,v 1.31 2003/06/12 08:33:29 guy Exp $
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * Copied from packet-pop.c
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
38 #include <epan/packet.h>
39 #include <epan/conversation.h>
41 #include "alignment.h"
43 #include "packet-smb-browse.h"
44 #include "packet-dcerpc.h"
46 static int proto_smb_browse = -1;
47 static int hf_command = -1;
48 static int hf_update_count = -1;
49 static int hf_periodicity = -1;
50 static int hf_server_name = -1;
51 static int hf_mb_server_name = -1;
52 static int hf_mb_reset_command = -1;
53 static int hf_mb_reset_demote = -1;
54 static int hf_mb_reset_flush = -1;
55 static int hf_mb_reset_stop = -1;
56 static int hf_os_major = -1;
57 static int hf_os_minor = -1;
58 static int hf_server_type = -1;
59 static int hf_server_type_workstation = -1;
60 static int hf_server_type_server = -1;
61 static int hf_server_type_sql = -1;
62 static int hf_server_type_domain = -1;
63 static int hf_server_type_backup = -1;
64 static int hf_server_type_time = -1;
65 static int hf_server_type_apple = -1;
66 static int hf_server_type_novell = -1;
67 static int hf_server_type_member = -1;
68 static int hf_server_type_print = -1;
69 static int hf_server_type_dialin = -1;
70 static int hf_server_type_xenix = -1;
71 static int hf_server_type_ntw = -1;
72 static int hf_server_type_wfw = -1;
73 static int hf_server_type_nts = -1;
74 static int hf_server_type_potentialb = -1;
75 static int hf_server_type_backupb = -1;
76 static int hf_server_type_masterb = -1;
77 static int hf_server_type_domainmasterb = -1;
78 static int hf_server_type_osf = -1;
79 static int hf_server_type_vms = -1;
80 static int hf_server_type_w95 = -1;
81 static int hf_server_type_local = -1;
82 static int hf_server_type_domainenum = -1;
83 static int hf_election_version = -1;
84 static int hf_proto_major = -1;
85 static int hf_proto_minor = -1;
86 static int hf_sig_const = -1;
87 static int hf_server_comment = -1;
88 static int hf_unused_flags = -1;
89 static int hf_response_computer_name = -1;
90 static int hf_election_criteria = -1;
91 static int hf_election_desire = -1;
92 static int hf_election_desire_flags_backup = -1;
93 static int hf_election_desire_flags_standby = -1;
94 static int hf_election_desire_flags_master = -1;
95 static int hf_election_desire_flags_domain_master = -1;
96 static int hf_election_desire_flags_wins = -1;
97 static int hf_election_desire_flags_nt = -1;
98 static int hf_election_revision = -1;
99 static int hf_election_os = -1;
100 static int hf_election_os_wfw = -1;
101 static int hf_election_os_ntw = -1;
102 static int hf_election_os_nts = -1;
103 static int hf_server_uptime = -1;
104 static int hf_backup_count = -1;
105 static int hf_backup_token = -1;
106 static int hf_backup_server = -1;
107 static int hf_browser_to_promote = -1;
109 static gint ett_browse = -1;
110 static gint ett_browse_flags = -1;
111 static gint ett_browse_election_criteria = -1;
112 static gint ett_browse_election_os = -1;
113 static gint ett_browse_election_desire = -1;
114 static gint ett_browse_reset_cmd_flags = -1;
116 #define SERVER_WORKSTATION 0
117 #define SERVER_SERVER 1
118 #define SERVER_SQL_SERVER 2
119 #define SERVER_DOMAIN_CONTROLLER 3
120 #define SERVER_BACKUP_CONTROLLER 4
121 #define SERVER_TIME_SOURCE 5
122 #define SERVER_APPLE_SERVER 6
123 #define SERVER_NOVELL_SERVER 7
124 #define SERVER_DOMAIN_MEMBER_SERVER 8
125 #define SERVER_PRINT_QUEUE_SERVER 9
126 #define SERVER_DIALIN_SERVER 10
127 #define SERVER_XENIX_SERVER 11
128 #define SERVER_NT_WORKSTATION 12
129 #define SERVER_WINDOWS_FOR_WORKGROUPS 13
130 #define SERVER_NT_SERVER 15
131 #define SERVER_POTENTIAL_BROWSER 16
132 #define SERVER_BACKUP_BROWSER 17
133 #define SERVER_MASTER_BROWSER 18
134 #define SERVER_DOMAIN_MASTER_BROWSER 19
135 #define SERVER_OSF 20
136 #define SERVER_VMS 21
137 #define SERVER_WINDOWS_95 22
138 #define SERVER_LOCAL_LIST_ONLY 30
139 #define SERVER_DOMAIN_ENUM 31
141 static const value_string server_types[] = {
142 {SERVER_WORKSTATION, "Workstation"},
143 {SERVER_SERVER, "Server"},
144 {SERVER_SQL_SERVER, "SQL Server"},
145 {SERVER_DOMAIN_CONTROLLER, "Domain Controller"},
146 {SERVER_BACKUP_CONTROLLER, "Backup Controller"},
147 {SERVER_TIME_SOURCE, "Time Source"},
148 {SERVER_APPLE_SERVER, "Apple Server"},
149 {SERVER_NOVELL_SERVER, "Novell Server"},
150 {SERVER_DOMAIN_MEMBER_SERVER, "Domain Member Server"},
151 {SERVER_PRINT_QUEUE_SERVER, "Print Queue Server"},
152 {SERVER_DIALIN_SERVER, "Dialin Server"},
153 {SERVER_XENIX_SERVER, "Xenix Server"},
154 {SERVER_NT_WORKSTATION, "NT Workstation"},
155 {SERVER_WINDOWS_FOR_WORKGROUPS, "Windows for Workgroups"},
156 {SERVER_NT_SERVER, "NT Server"},
157 {SERVER_POTENTIAL_BROWSER, "Potential Browser"},
158 {SERVER_BACKUP_BROWSER, "Backup Browser"},
159 {SERVER_MASTER_BROWSER, "Master Browser"},
160 {SERVER_DOMAIN_MASTER_BROWSER, "Domain Master Browser"},
163 {SERVER_WINDOWS_95, "Windows 95 or above"},
164 {SERVER_LOCAL_LIST_ONLY, "Local List Only"},
165 {SERVER_DOMAIN_ENUM, "Domain Enum"},
169 static const value_string resetbrowserstate_command_names[] = {
170 { 0x01, "Stop being a master browser and become a backup browser"},
171 { 0x02, "Discard browse lists, stop being a master browser, and try again"},
172 { 0x04, "Stop being a master browser for ever"},
176 static true_false_string tfs_demote_to_backup = {
177 "Demote an LMB to a Backup Browser",
178 "Do not demote an LMB to a Backup Browser"
181 static true_false_string tfs_flush_browse_list = {
182 "Flush the Browse List",
183 "Do not Flush the Browse List"
186 static true_false_string tfs_stop_being_lmb = {
187 "Stop Being a Local Master Browser",
188 "Do not Stop Being a Local Master Browser"
191 static const true_false_string tfs_workstation = {
192 "This is a Workstation",
193 "This is NOT a Workstation"
195 static const true_false_string tfs_server = {
197 "This is NOT a Server"
199 static const true_false_string tfs_sql = {
200 "This is an SQL server",
201 "This is NOT an SQL server"
203 static const true_false_string tfs_domain = {
204 "This is a Domain Controller",
205 "This is NOT a Domain Controller"
207 static const true_false_string tfs_backup = {
208 "This is a Backup Controller",
209 "This is NOT a Backup Controller"
211 static const true_false_string tfs_time = {
212 "This is a Time Source",
213 "This is NOT a Time Source"
215 static const true_false_string tfs_apple = {
216 "This is an Apple host",
217 "This is NOT an Apple host"
219 static const true_false_string tfs_novell = {
220 "This is a Novell server",
221 "This is NOT a Novell server"
223 static const true_false_string tfs_member = {
224 "This is a Domain Member server",
225 "This is NOT a Domain Member server"
227 static const true_false_string tfs_print = {
228 "This is a Print Queue server",
229 "This is NOT a Print Queue server"
231 static const true_false_string tfs_dialin = {
232 "This is a Dialin server",
233 "This is NOT a Dialin server"
235 static const true_false_string tfs_xenix = {
236 "This is a Xenix server",
237 "This is NOT a Xenix server"
239 static const true_false_string tfs_ntw = {
240 "This is an NT Workstation",
241 "This is NOT an NT Workstation"
243 static const true_false_string tfs_wfw = {
244 "This is a WfW host",
245 "This is NOT a WfW host"
247 static const true_false_string tfs_nts = {
248 "This is an NT Server",
249 "This is NOT an NT Server"
251 static const true_false_string tfs_potentialb = {
252 "This is a Potential Browser",
253 "This is NOT a Potential Browser"
255 static const true_false_string tfs_backupb = {
256 "This is a Backup Browser",
257 "This is NOT a Backup Browser"
259 static const true_false_string tfs_masterb = {
260 "This is a Master Browser",
261 "This is NOT a Master Browser"
263 static const true_false_string tfs_domainmasterb = {
264 "This is a Domain Master Browser",
265 "This is NOT a Domain Master Browser"
267 static const true_false_string tfs_osf = {
268 "This is an OSF host",
269 "This is NOT an OSF host"
271 static const true_false_string tfs_vms = {
272 "This is a VMS host",
273 "This is NOT a VMS host"
275 static const true_false_string tfs_w95 = {
276 "This is a Windows 95 or above host",
277 "This is NOT a Windows 95 or above host"
279 static const true_false_string tfs_local = {
280 "This is a local list only request",
281 "This is NOT a local list only request"
283 static const true_false_string tfs_domainenum = {
284 "This is a Domain Enum request",
285 "This is NOT a Domain Enum request"
288 #define DESIRE_BACKUP 0
289 #define DESIRE_STANDBY 1
290 #define DESIRE_MASTER 2
291 #define DESIRE_DOMAIN_MASTER 3
292 #define DESIRE_WINS 5
295 static const value_string desire_flags[] = {
296 {DESIRE_BACKUP, "Backup Browse Server"},
297 {DESIRE_STANDBY, "Standby Browse Server"},
298 {DESIRE_MASTER, "Master Browser"},
299 {DESIRE_DOMAIN_MASTER, "Domain Master Browse Server"},
300 {DESIRE_WINS, "WINS Client"},
301 {DESIRE_NT, "Windows NT Advanced Server"},
305 static const true_false_string tfs_desire_backup = {
306 "Backup Browse Server",
307 "NOT Backup Browse Server"
309 static const true_false_string tfs_desire_standby = {
310 "Standby Browse Server",
311 "NOT Standby Browse Server"
313 static const true_false_string tfs_desire_master = {
317 static const true_false_string tfs_desire_domain_master = {
318 "Domain Master Browse Server",
319 "NOT Domain Master Browse Server"
321 static const true_false_string tfs_desire_wins = {
325 static const true_false_string tfs_desire_nt = {
326 "Windows NT Advanced Server",
327 "NOT Windows NT Advanced Server"
330 #define BROWSE_HOST_ANNOUNCE 1
331 #define BROWSE_REQUEST_ANNOUNCE 2
332 #define BROWSE_ELECTION_REQUEST 8
333 #define BROWSE_BACKUP_LIST_REQUEST 9
334 #define BROWSE_BACKUP_LIST_RESPONSE 10
335 #define BROWSE_BECOME_BACKUP 11
336 #define BROWSE_DOMAIN_ANNOUNCEMENT 12
337 #define BROWSE_MASTER_ANNOUNCEMENT 13
338 #define BROWSE_RESETBROWSERSTATE_ANNOUNCEMENT 14
339 #define BROWSE_LOCAL_MASTER_ANNOUNCEMENT 15
341 static const value_string commands[] = {
342 {BROWSE_HOST_ANNOUNCE, "Host Announcement"},
343 {BROWSE_REQUEST_ANNOUNCE, "Request Announcement"},
344 {BROWSE_ELECTION_REQUEST, "Browser Election Request"},
345 {BROWSE_BACKUP_LIST_REQUEST, "Get Backup List Request"},
346 {BROWSE_BACKUP_LIST_RESPONSE, "Get Backup List Response"},
347 {BROWSE_BECOME_BACKUP, "Become Backup Browser"},
348 {BROWSE_DOMAIN_ANNOUNCEMENT, "Domain/Workgroup Announcement"},
349 {BROWSE_MASTER_ANNOUNCEMENT, "Master Announcement"},
350 {BROWSE_RESETBROWSERSTATE_ANNOUNCEMENT, "Reset Browser State Announcement"},
351 {BROWSE_LOCAL_MASTER_ANNOUNCEMENT,"Local Master Announcement"},
359 static const value_string os_flags[] = {
360 {OS_WFW, "Windows for Workgroups"},
361 {OS_NTW, "Windows NT Workstation"},
362 {OS_NTS, "Windows NT Server"},
366 static const true_false_string tfs_os_wfw = {
367 "Windows for Workgroups",
368 "Not Windows for Workgroups"
370 static const true_false_string tfs_os_ntw = {
371 "Windows NT Workstation",
372 "Not Windows NT Workstation"
374 static const true_false_string tfs_os_nts = {
376 "Not Windows NT Server"
380 dissect_election_criterion_os(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
382 proto_tree *tree = NULL;
383 proto_item *item = NULL;
386 os = tvb_get_guint8(tvb, offset);
389 item = proto_tree_add_uint(parent_tree, hf_election_os, tvb, offset, 1, os);
390 tree = proto_item_add_subtree(item, ett_browse_election_os);
393 proto_tree_add_boolean(tree, hf_election_os_wfw,
395 proto_tree_add_boolean(tree, hf_election_os_ntw,
397 proto_tree_add_boolean(tree, hf_election_os_nts,
403 dissect_election_criterion_desire(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
405 proto_tree *tree = NULL;
406 proto_item *item = NULL;
409 desire = tvb_get_guint8(tvb, offset);
412 item = proto_tree_add_uint(parent_tree, hf_election_desire, tvb, offset, 1, desire);
413 tree = proto_item_add_subtree(item, ett_browse_election_desire);
416 proto_tree_add_boolean(tree, hf_election_desire_flags_backup,
417 tvb, offset, 1, desire);
418 proto_tree_add_boolean(tree, hf_election_desire_flags_standby,
419 tvb, offset, 1, desire);
420 proto_tree_add_boolean(tree, hf_election_desire_flags_master,
421 tvb, offset, 1, desire);
422 proto_tree_add_boolean(tree, hf_election_desire_flags_domain_master,
423 tvb, offset, 1, desire);
424 proto_tree_add_boolean(tree, hf_election_desire_flags_wins,
425 tvb, offset, 1, desire);
426 proto_tree_add_boolean(tree, hf_election_desire_flags_nt,
427 tvb, offset, 1, desire);
432 dissect_election_criterion(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
434 proto_tree *tree = NULL;
435 proto_item *item = NULL;
438 criterion = tvb_get_letohl(tvb, offset);
441 item = proto_tree_add_uint(parent_tree, hf_election_criteria, tvb, offset, 4, criterion);
442 tree = proto_item_add_subtree(item, ett_browse_election_criteria);
445 /* election desire */
446 dissect_election_criterion_desire(tvb, tree, offset);
449 /* browser protocol major version */
450 proto_tree_add_item(tree, hf_proto_major, tvb, offset, 1, TRUE);
453 /* browser protocol minor version */
454 proto_tree_add_item(tree, hf_proto_minor, tvb, offset, 1, TRUE);
458 dissect_election_criterion_os(tvb, tree, offset);
464 * XXX - this causes non-browser packets to have browser fields.
467 dissect_smb_server_type_flags(tvbuff_t *tvb, int offset, packet_info *pinfo,
468 proto_tree *parent_tree, char *drep,
471 proto_tree *tree = NULL;
472 proto_item *item = NULL;
478 * Called from a DCE RPC protocol dissector, for a
479 * protocol where a 32-bit NDR integer contains
480 * an server type mask; extract the server type mask
483 offset = dissect_ndr_uint32(
484 tvb, offset, pinfo, tree, drep, hf_server_type, &flags);
487 * Called from SMB browser or RAS, where the server type
488 * mask is just a 4-byte little-endian quantity with no
489 * special NDR alignment requirement; extract it with
490 * "tvb_get_letohl()".
492 flags = tvb_get_letohl(tvb, offset);
497 item = proto_tree_add_uint(parent_tree, hf_server_type, tvb, offset, 4, flags);
498 tree = proto_item_add_subtree(item, ett_browse_flags);
502 /* Append the type(s) of the system to the COL_INFO line ... */
503 if (check_col(pinfo->cinfo, COL_INFO)) {
504 for (i = 0; i < 32; i++) {
505 if (flags & (1<<i)) {
506 col_append_fstr(pinfo->cinfo, COL_INFO, ", %s",
507 val_to_str(i, server_types,
508 "Unknown server type:%d"));
514 proto_tree_add_boolean(tree, hf_server_type_workstation,
515 tvb, offset, 4, flags);
516 proto_tree_add_boolean(tree, hf_server_type_server,
517 tvb, offset, 4, flags);
518 proto_tree_add_boolean(tree, hf_server_type_sql,
519 tvb, offset, 4, flags);
520 proto_tree_add_boolean(tree, hf_server_type_domain,
521 tvb, offset, 4, flags);
522 proto_tree_add_boolean(tree, hf_server_type_backup,
523 tvb, offset, 4, flags);
524 proto_tree_add_boolean(tree, hf_server_type_time,
525 tvb, offset, 4, flags);
526 proto_tree_add_boolean(tree, hf_server_type_apple,
527 tvb, offset, 4, flags);
528 proto_tree_add_boolean(tree, hf_server_type_novell,
529 tvb, offset, 4, flags);
530 proto_tree_add_boolean(tree, hf_server_type_member,
531 tvb, offset, 4, flags);
532 proto_tree_add_boolean(tree, hf_server_type_print,
533 tvb, offset, 4, flags);
534 proto_tree_add_boolean(tree, hf_server_type_dialin,
535 tvb, offset, 4, flags);
536 proto_tree_add_boolean(tree, hf_server_type_xenix,
537 tvb, offset, 4, flags);
538 proto_tree_add_boolean(tree, hf_server_type_ntw,
539 tvb, offset, 4, flags);
540 proto_tree_add_boolean(tree, hf_server_type_wfw,
541 tvb, offset, 4, flags);
542 proto_tree_add_boolean(tree, hf_server_type_nts,
543 tvb, offset, 4, flags);
544 proto_tree_add_boolean(tree, hf_server_type_potentialb,
545 tvb, offset, 4, flags);
546 proto_tree_add_boolean(tree, hf_server_type_backupb,
547 tvb, offset, 4, flags);
548 proto_tree_add_boolean(tree, hf_server_type_masterb,
549 tvb, offset, 4, flags);
550 proto_tree_add_boolean(tree, hf_server_type_domainmasterb,
551 tvb, offset, 4, flags);
552 proto_tree_add_boolean(tree, hf_server_type_osf,
553 tvb, offset, 4, flags);
554 proto_tree_add_boolean(tree, hf_server_type_vms,
555 tvb, offset, 4, flags);
556 proto_tree_add_boolean(tree, hf_server_type_w95,
557 tvb, offset, 4, flags);
558 proto_tree_add_boolean(tree, hf_server_type_local,
559 tvb, offset, 4, flags);
560 proto_tree_add_boolean(tree, hf_server_type_domainenum,
561 tvb, offset, 4, flags);
568 dissect_mailslot_browse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
572 proto_tree *tree = NULL;
573 proto_item *item = NULL;
577 guint8 server_count, reset_cmd;
581 if (!proto_is_protocol_enabled(proto_smb_browse)) {
585 pinfo->current_proto = "BROWSER";
587 if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
588 col_set_str(pinfo->cinfo, COL_PROTOCOL, "BROWSER");
590 if (check_col(pinfo->cinfo, COL_INFO)) {
591 col_clear(pinfo->cinfo, COL_INFO);
594 cmd = tvb_get_guint8(tvb, offset);
596 if (check_col(pinfo->cinfo, COL_INFO)) {
597 /* Put in something, and replace it later */
598 col_set_str(pinfo->cinfo, COL_INFO, val_to_str(cmd, commands, "Unknown command:0x%02x"));
603 item = proto_tree_add_item(parent_tree, proto_smb_browse, tvb, offset, -1, TRUE);
605 tree = proto_item_add_subtree(item, ett_browse);
609 proto_tree_add_uint(tree, hf_command, tvb, offset, 1, cmd);
613 case BROWSE_DOMAIN_ANNOUNCEMENT:
614 case BROWSE_LOCAL_MASTER_ANNOUNCEMENT:
615 case BROWSE_HOST_ANNOUNCE: {
617 proto_tree_add_item(tree, hf_update_count, tvb, offset, 1, TRUE);
620 /* periodicity (in milliseconds) */
621 periodicity = tvb_get_letohl(tvb, offset);
622 proto_tree_add_uint_format(tree, hf_periodicity, tvb, offset, 4,
624 "Update Periodicity: %s",
625 time_msecs_to_str(periodicity));
629 tvb_get_nstringz0(tvb, offset, sizeof(host_name), host_name);
630 if (check_col(pinfo->cinfo, COL_INFO)) {
631 col_append_fstr(pinfo->cinfo, COL_INFO, " %s", host_name);
633 proto_tree_add_string_format(tree, hf_server_name,
636 (cmd==BROWSE_DOMAIN_ANNOUNCEMENT)?
637 "Domain/Workgroup: %s":
642 /* OS major version */
643 proto_tree_add_item(tree, hf_os_major, tvb, offset, 1, TRUE);
646 /* OS minor version */
647 proto_tree_add_item(tree, hf_os_minor, tvb, offset, 1, TRUE);
650 /* server type flags */
651 offset = dissect_smb_server_type_flags(
652 tvb, offset, pinfo, tree, NULL, TRUE);
654 if (cmd == BROWSE_DOMAIN_ANNOUNCEMENT) {
656 * Network Monitor claims this is a "Comment
657 * Pointer". I don't believe it.
659 * It's not a browser protocol major/minor
660 * version number, and signature constant,
663 proto_tree_add_text(tree, tvb, offset, 4,
664 "Mysterious Field: 0x%08x",
665 tvb_get_letohl(tvb, offset));
668 /* browser protocol major version */
669 proto_tree_add_item(tree, hf_proto_major, tvb, offset, 1, TRUE);
672 /* browser protocol minor version */
673 proto_tree_add_item(tree, hf_proto_minor, tvb, offset, 1, TRUE);
676 /* signature constant */
677 proto_tree_add_item(tree, hf_sig_const, tvb, offset, 2, TRUE);
681 /* master browser server name or server comment */
682 namelen = tvb_strsize(tvb, offset);
683 proto_tree_add_item(tree,
684 (cmd==BROWSE_DOMAIN_ANNOUNCEMENT)?
685 hf_mb_server_name : hf_server_comment,
686 tvb, offset, namelen, TRUE);
690 case BROWSE_REQUEST_ANNOUNCE: {
693 /* unused/unknown flags */
694 proto_tree_add_item(tree, hf_unused_flags,
695 tvb, offset, 1, TRUE);
698 /* name of computer to which to send reply */
699 computer_name = tvb_get_stringz(tvb, offset, &namelen);
700 proto_tree_add_string(tree, hf_response_computer_name,
701 tvb, offset, namelen, computer_name);
702 if (check_col(pinfo->cinfo, COL_INFO))
704 pinfo->cinfo, COL_INFO, " %s", computer_name);
705 g_free(computer_name);
710 case BROWSE_ELECTION_REQUEST:
711 /* election version */
712 proto_tree_add_item(tree, hf_election_version, tvb, offset, 1, TRUE);
716 dissect_election_criterion(tvb, tree, offset);
720 uptime = tvb_get_letohl(tvb, offset);
721 proto_tree_add_uint_format(tree, hf_server_uptime,
722 tvb, offset, 4, uptime,
724 time_msecs_to_str(uptime));
727 /* next 4 bytes must be zero */
731 namelen = tvb_strsize(tvb, offset);
732 proto_tree_add_item(tree, hf_server_name,
733 tvb, offset, namelen, TRUE);
737 case BROWSE_BACKUP_LIST_REQUEST:
738 /* backup list requested count */
739 proto_tree_add_item(tree, hf_backup_count, tvb, offset, 1, TRUE);
742 /* backup requested token */
743 proto_tree_add_item(tree, hf_backup_token, tvb, offset, 4, TRUE);
747 case BROWSE_BACKUP_LIST_RESPONSE:
748 /* backup list requested count */
749 server_count = tvb_get_guint8(tvb, offset);
750 proto_tree_add_uint(tree, hf_backup_count, tvb, offset, 1,
754 /* backup requested token */
755 proto_tree_add_item(tree, hf_backup_token, tvb, offset, 4, TRUE);
758 /* backup server names */
759 for (i = 0; i < server_count; i++) {
760 namelen = tvb_strsize(tvb, offset);
761 proto_tree_add_item(tree, hf_backup_server,
762 tvb, offset, namelen, TRUE);
767 case BROWSE_MASTER_ANNOUNCEMENT:
768 /* master browser server name */
769 namelen = tvb_strsize(tvb, offset);
770 proto_tree_add_item(tree, hf_mb_server_name,
771 tvb, offset, namelen, TRUE);
775 case BROWSE_RESETBROWSERSTATE_ANNOUNCEMENT: {
776 proto_tree *sub_tree;
777 proto_item *reset_item;
779 /* the subcommand follows ... one of three values */
781 reset_cmd = tvb_get_guint8(tvb, offset);
782 reset_item = proto_tree_add_uint(tree, hf_mb_reset_command, tvb,
783 offset, 1, reset_cmd);
784 sub_tree = proto_item_add_subtree(item, ett_browse_reset_cmd_flags);
785 proto_tree_add_boolean(sub_tree, hf_mb_reset_demote, tvb,
786 offset, 1, reset_cmd);
787 proto_tree_add_boolean(sub_tree, hf_mb_reset_flush, tvb,
788 offset, 1, reset_cmd);
789 proto_tree_add_boolean(sub_tree, hf_mb_reset_stop, tvb,
790 offset, 1, reset_cmd);
795 case BROWSE_BECOME_BACKUP:
796 /* name of browser to promote */
797 namelen = tvb_strsize(tvb, offset);
798 proto_tree_add_item(tree, hf_browser_to_promote,
799 tvb, offset, namelen, TRUE);
808 * It appears that browser announcements sent to \MAILSLOT\LANMAN aren't
809 * the same as browser announcements sent to \MAILSLOT\BROWSE.
810 * Was that an older version of the protocol?
814 * http://www.samba.org/samba/ftp/specs/brow_rev.txt
816 * gives both formats of host announcement packets, saying that
817 * "[The first] format seems wrong", that one being what appears to
818 * show up in \MAILSLOT\LANMAN packets, and that "[The second one]
819 * may be better", that one being what appears to show up in
820 * \MAILSLOT\BROWSE packets.
822 * XXX - what other browser packets go out to that mailslot?
825 dissect_mailslot_lanman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
829 proto_tree *tree = NULL;
830 proto_item *item = NULL;
832 const char *host_name;
835 if (!proto_is_protocol_enabled(proto_smb_browse)) {
839 pinfo->current_proto = "BROWSER";
841 if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
842 col_set_str(pinfo->cinfo, COL_PROTOCOL, "BROWSER");
844 if (check_col(pinfo->cinfo, COL_INFO)) {
845 col_clear(pinfo->cinfo, COL_INFO);
848 cmd = tvb_get_guint8(tvb, offset);
850 if (check_col(pinfo->cinfo, COL_INFO)) {
851 /* Put in something, and replace it later */
852 col_set_str(pinfo->cinfo, COL_INFO, val_to_str(cmd, commands, "Unknown command:0x%02x"));
857 item = proto_tree_add_item(parent_tree, proto_smb_browse, tvb, offset, -1, TRUE);
859 tree = proto_item_add_subtree(item, ett_browse);
863 proto_tree_add_uint(tree, hf_command, tvb, offset, 1, cmd);
867 case BROWSE_DOMAIN_ANNOUNCEMENT:
868 case BROWSE_LOCAL_MASTER_ANNOUNCEMENT:
869 case BROWSE_HOST_ANNOUNCE:
872 proto_tree_add_item(tree, hf_update_count, tvb, offset, 1, TRUE);
875 /* server type flags */
876 offset = dissect_smb_server_type_flags(
877 tvb, offset, pinfo, tree, NULL, TRUE);
879 /* OS major version */
880 proto_tree_add_item(tree, hf_os_major, tvb, offset, 1, TRUE);
883 /* OS minor version */
884 proto_tree_add_item(tree, hf_os_minor, tvb, offset, 1, TRUE);
887 /* periodicity (in seconds; convert to milliseconds) */
888 periodicity = tvb_get_letohs(tvb, offset)*1000;
889 proto_tree_add_uint_format(tree, hf_periodicity, tvb, offset, 2,
891 "Update Periodicity: %s",
892 time_msecs_to_str(periodicity));
896 namelen = tvb_strsize(tvb, offset);
897 host_name = tvb_get_ptr(tvb, offset, namelen);
898 if (check_col(pinfo->cinfo, COL_INFO)) {
899 col_append_fstr(pinfo->cinfo, COL_INFO, " %s", host_name);
901 proto_tree_add_item(tree, hf_server_name,
902 tvb, offset, namelen, TRUE);
905 /* master browser server name or server comment */
906 namelen = tvb_strsize(tvb, offset);
907 proto_tree_add_item(tree,
908 (cmd==BROWSE_DOMAIN_ANNOUNCEMENT)?
909 hf_mb_server_name : hf_server_comment,
910 tvb, offset, namelen, TRUE);
919 proto_register_smb_browse(void)
921 static hf_register_info hf[] = {
923 { "Command", "browser.command", FT_UINT8, BASE_HEX,
924 VALS(commands), 0, "Browse command opcode", HFILL }},
927 { "Update Count", "browser.update_count", FT_UINT8, BASE_DEC,
928 NULL, 0, "Browse Update Count", HFILL }},
931 { "Update Periodicity", "browser.period", FT_UINT32, BASE_DEC,
932 NULL, 0, "Update Periodicity in ms", HFILL }},
935 { "Server Name", "browser.server", FT_STRING, BASE_NONE,
936 NULL, 0, "BROWSE Server Name", HFILL }},
938 { &hf_mb_server_name,
939 { "Master Browser Server Name", "browser.mb_server", FT_STRING, BASE_NONE,
940 NULL, 0, "BROWSE Master Browser Server Name", HFILL }},
942 { &hf_mb_reset_command,
943 { "ResetBrowserState Command", "browser.reset_cmd", FT_UINT8,
944 BASE_HEX, VALS(&resetbrowserstate_command_names), 0,
945 "ResetBrowserState Command", HFILL }},
946 { &hf_mb_reset_demote,
947 { "Demote LMB", "browser.reset_cmd.demote", FT_BOOLEAN,
948 8, TFS(&tfs_demote_to_backup), 0x01, "Demote LMB", HFILL}},
949 { &hf_mb_reset_flush,
950 { "Flush Browse List", "browser.reset_cmd.flush", FT_BOOLEAN,
951 8, TFS(&tfs_flush_browse_list), 0x02, "Flush Browse List", HFILL}},
953 { "Stop Being LMB", "browser.reset_cmd.stop_lmb", FT_BOOLEAN,
954 8, TFS(&tfs_stop_being_lmb), 0x04, "Stop Being LMB", HFILL}},
956 { "OS Major Version", "browser.os_major", FT_UINT8, BASE_DEC,
957 NULL, 0, "Operating System Major Version", HFILL }},
960 { "OS Minor Version", "browser.os_minor", FT_UINT8, BASE_DEC,
961 NULL, 0, "Operating System Minor Version", HFILL }},
964 { "Server Type", "browser.server_type", FT_UINT32, BASE_HEX,
965 NULL, 0, "Server Type Flags", HFILL }},
967 { &hf_server_type_workstation,
968 { "Workstation", "browser.server_type.workstation", FT_BOOLEAN, 32,
969 TFS(&tfs_workstation), 1<<SERVER_WORKSTATION, "Is This A Workstation?", HFILL }},
971 { &hf_server_type_server,
972 { "Server", "browser.server_type.server", FT_BOOLEAN, 32,
973 TFS(&tfs_server), 1<<SERVER_SERVER, "Is This A Server?", HFILL }},
975 { &hf_server_type_sql,
976 { "SQL", "browser.server_type.sql", FT_BOOLEAN, 32,
977 TFS(&tfs_sql), 1<<SERVER_SQL_SERVER, "Is This A SQL Server?", HFILL }},
979 { &hf_server_type_domain,
980 { "Domain Controller", "browser.server_type.domain_controller", FT_BOOLEAN, 32,
981 TFS(&tfs_domain), 1<<SERVER_DOMAIN_CONTROLLER, "Is This A Domain Controller?", HFILL }},
983 { &hf_server_type_backup,
984 { "Backup Controller", "browser.server_type.backup_controller", FT_BOOLEAN, 32,
985 TFS(&tfs_backup), 1<<SERVER_BACKUP_CONTROLLER, "Is This A Backup Domain Controller?", HFILL }},
987 { &hf_server_type_time,
988 { "Time Source", "browser.server_type.time", FT_BOOLEAN, 32,
989 TFS(&tfs_time), 1<<SERVER_TIME_SOURCE, "Is This A Time Source?", HFILL }},
991 { &hf_server_type_apple,
992 { "Apple", "browser.server_type.apple", FT_BOOLEAN, 32,
993 TFS(&tfs_apple), 1<<SERVER_APPLE_SERVER, "Is This An Apple Server ?", HFILL }},
995 { &hf_server_type_novell,
996 { "Novell", "browser.server_type.novell", FT_BOOLEAN, 32,
997 TFS(&tfs_novell), 1<<SERVER_NOVELL_SERVER, "Is This A Novell Server?", HFILL }},
999 { &hf_server_type_member,
1000 { "Member", "browser.server_type.member", FT_BOOLEAN, 32,
1001 TFS(&tfs_member), 1<<SERVER_DOMAIN_MEMBER_SERVER, "Is This A Domain Member Server?", HFILL }},
1003 { &hf_server_type_print,
1004 { "Print", "browser.server_type.print", FT_BOOLEAN, 32,
1005 TFS(&tfs_print), 1<<SERVER_PRINT_QUEUE_SERVER, "Is This A Print Server?", HFILL }},
1007 { &hf_server_type_dialin,
1008 { "Dialin", "browser.server_type.dialin", FT_BOOLEAN, 32,
1009 TFS(&tfs_dialin), 1<<SERVER_DIALIN_SERVER, "Is This A Dialin Server?", HFILL }},
1011 { &hf_server_type_xenix,
1012 { "Xenix", "browser.server_type.xenix", FT_BOOLEAN, 32,
1013 TFS(&tfs_xenix), 1<<SERVER_XENIX_SERVER, "Is This A Xenix Server?", HFILL }},
1015 { &hf_server_type_ntw,
1016 { "NT Workstation", "browser.server_type.ntw", FT_BOOLEAN, 32,
1017 TFS(&tfs_ntw), 1<<SERVER_NT_WORKSTATION, "Is This A NT Workstation?", HFILL }},
1019 { &hf_server_type_wfw,
1020 { "WfW", "browser.server_type.wfw", FT_BOOLEAN, 32,
1021 TFS(&tfs_wfw), 1<<SERVER_WINDOWS_FOR_WORKGROUPS, "Is This A Windows For Workgroups Server?", HFILL }},
1023 { &hf_server_type_nts,
1024 { "NT Server", "browser.server_type.nts", FT_BOOLEAN, 32,
1025 TFS(&tfs_nts), 1<<SERVER_NT_SERVER, "Is This A NT Server?", HFILL }},
1027 { &hf_server_type_potentialb,
1028 { "Potential Browser", "browser.server_type.browser.potential", FT_BOOLEAN, 32,
1029 TFS(&tfs_potentialb), 1<<SERVER_POTENTIAL_BROWSER, "Is This A Potential Browser?", HFILL }},
1031 { &hf_server_type_backupb,
1032 { "Backup Browser", "browser.server_type.browser.backup", FT_BOOLEAN, 32,
1033 TFS(&tfs_backupb), 1<<SERVER_BACKUP_BROWSER, "Is This A Backup Browser?", HFILL }},
1035 { &hf_server_type_masterb,
1036 { "Master Browser", "browser.server_type.browser.master", FT_BOOLEAN, 32,
1037 TFS(&tfs_masterb), 1<<SERVER_MASTER_BROWSER, "Is This A Master Browser?", HFILL }},
1039 { &hf_server_type_domainmasterb,
1040 { "Domain Master Browser", "browser.server_type.browser.domain_master", FT_BOOLEAN, 32,
1041 TFS(&tfs_domainmasterb), 1<<SERVER_DOMAIN_MASTER_BROWSER, "Is This A Domain Master Browser?", HFILL }},
1043 { &hf_server_type_osf,
1044 { "OSF", "browser.server_type.osf", FT_BOOLEAN, 32,
1045 TFS(&tfs_osf), 1<<SERVER_OSF, "Is This An OSF server ?", HFILL }},
1047 { &hf_server_type_vms,
1048 { "VMS", "browser.server_type.vms", FT_BOOLEAN, 32,
1049 TFS(&tfs_vms), 1<<SERVER_VMS, "Is This A VMS Server?", HFILL }},
1051 { &hf_server_type_w95,
1052 { "Windows 95+", "browser.server_type.w95", FT_BOOLEAN, 32,
1053 TFS(&tfs_w95), 1<<SERVER_WINDOWS_95, "Is This A Windows 95 or above server?", HFILL }},
1055 { &hf_server_type_local,
1056 { "Local", "browser.server_type.local", FT_BOOLEAN, 32,
1057 TFS(&tfs_local), 1<<SERVER_LOCAL_LIST_ONLY, "Is This A Local List Only request?", HFILL }},
1059 { &hf_server_type_domainenum,
1060 { "Domain Enum", "browser.server_type.domainenum", FT_BOOLEAN, 32,
1061 TFS(&tfs_domainenum), 1<<SERVER_DOMAIN_ENUM, "Is This A Domain Enum request?", HFILL }},
1063 { &hf_election_version,
1064 { "Election Version", "browser.election.version", FT_UINT8, BASE_DEC,
1065 NULL, 0, "Election Version", HFILL }},
1068 { "Browser Protocol Major Version", "browser.proto_major", FT_UINT8, BASE_DEC,
1069 NULL, 0, "Browser Protocol Major Version", HFILL }},
1072 { "Browser Protocol Minor Version", "browser.proto_minor", FT_UINT8, BASE_DEC,
1073 NULL, 0, "Browser Protocol Minor Version", HFILL }},
1076 { "Signature", "browser.sig", FT_UINT16, BASE_HEX,
1077 NULL, 0, "Signature Constant", HFILL }},
1079 { &hf_server_comment,
1080 { "Host Comment", "browser.comment", FT_STRINGZ, BASE_NONE,
1081 NULL, 0, "Server Comment", HFILL }},
1084 { "Unused flags", "browser.unused", FT_UINT8, BASE_HEX,
1085 NULL, 0, "Unused/unknown flags", HFILL }},
1087 { &hf_response_computer_name,
1088 { "Response Computer Name", "browser.response_computer_name", FT_STRINGZ, BASE_NONE,
1089 NULL, 0, "Response Computer Name", HFILL }},
1091 { &hf_election_criteria,
1092 { "Election Criteria", "browser.election.criteria", FT_UINT32, BASE_HEX,
1093 NULL, 0, "Election Criteria", HFILL }},
1095 { &hf_election_desire,
1096 { "Election Desire", "browser.election.desire", FT_UINT8, BASE_HEX,
1097 NULL, 0, "Election Desire", HFILL }},
1099 { &hf_election_desire_flags_backup,
1100 { "Backup", "browser.election.desire.backup", FT_BOOLEAN, 8,
1101 TFS(&tfs_desire_backup), 1<<DESIRE_BACKUP, "Is this a backup server", HFILL }},
1103 { &hf_election_desire_flags_standby,
1104 { "Standby", "browser.election.desire.standby", FT_BOOLEAN, 8,
1105 TFS(&tfs_desire_standby), 1<<DESIRE_STANDBY, "Is this a standby server?", HFILL }},
1107 { &hf_election_desire_flags_master,
1108 { "Master", "browser.election.desire.master", FT_BOOLEAN, 8,
1109 TFS(&tfs_desire_master), 1<<DESIRE_MASTER, "Is this a master server", HFILL }},
1111 { &hf_election_desire_flags_domain_master,
1112 { "Domain Master", "browser.election.desire.domain_master", FT_BOOLEAN, 8,
1113 TFS(&tfs_desire_domain_master), 1<<DESIRE_DOMAIN_MASTER, "Is this a domain master", HFILL }},
1115 { &hf_election_desire_flags_wins,
1116 { "WINS", "browser.election.desire.wins", FT_BOOLEAN, 8,
1117 TFS(&tfs_desire_wins), 1<<DESIRE_WINS, "Is this a WINS server", HFILL }},
1119 { &hf_election_desire_flags_nt,
1120 { "NT", "browser.election.desire.nt", FT_BOOLEAN, 8,
1121 TFS(&tfs_desire_nt), 1<<DESIRE_NT, "Is this a NT server", HFILL }},
1123 { &hf_election_revision,
1124 { "Election Revision", "browser.election.revision", FT_UINT16, BASE_DEC,
1125 NULL, 0, "Election Revision", HFILL }},
1128 { "Election OS", "browser.election.os", FT_UINT8, BASE_HEX,
1129 NULL, 0, "Election OS", HFILL }},
1131 { &hf_election_os_wfw,
1132 { "WfW", "browser.election.os.wfw", FT_BOOLEAN, 8,
1133 TFS(&tfs_os_wfw), 1<<OS_WFW, "Is this a WfW host?", HFILL }},
1135 { &hf_election_os_ntw,
1136 { "NT Workstation", "browser.election.os.ntw", FT_BOOLEAN, 8,
1137 TFS(&tfs_os_ntw), 1<<OS_NTW, "Is this a NT Workstation?", HFILL }},
1139 { &hf_election_os_nts,
1140 { "NT Server", "browser.election.os.nts", FT_BOOLEAN, 8,
1141 TFS(&tfs_os_nts), 1<<OS_NTS, "Is this a NT Server?", HFILL }},
1143 { &hf_server_uptime,
1144 { "Uptime", "browser.uptime", FT_UINT32, BASE_DEC,
1145 NULL, 0, "Server uptime in ms", HFILL }},
1148 { "Backup List Requested Count", "browser.backup.count", FT_UINT8, BASE_DEC,
1149 NULL, 0, "Backup list requested count", HFILL }},
1152 { "Backup Request Token", "browser.backup.token", FT_UINT32, BASE_DEC,
1153 NULL, 0, "Backup requested/response token", HFILL }},
1155 { &hf_backup_server,
1156 { "Backup Server", "browser.backup.server", FT_STRING, BASE_NONE,
1157 NULL, 0, "Backup Server Name", HFILL }},
1159 { &hf_browser_to_promote,
1160 { "Browser to Promote", "browser.browser_to_promote", FT_STRINGZ, BASE_NONE,
1161 NULL, 0, "Browser to Promote", HFILL }},
1165 static gint *ett[] = {
1168 &ett_browse_election_criteria,
1169 &ett_browse_election_os,
1170 &ett_browse_election_desire,
1171 &ett_browse_reset_cmd_flags,
1174 proto_smb_browse = proto_register_protocol("Microsoft Windows Browser Protocol",
1175 "BROWSER", "browser");
1177 proto_register_field_array(proto_smb_browse, hf, array_length(hf));
1178 proto_register_subtree_array(ett, array_length(ett));