epan/dissectors/packet-smb-browse.c

   1 /* packet-smb-browse.c
   2  * Routines for SMB Browser packet dissection
   3  * Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * Copied from packet-pop.c
  12  *
  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.
  17  *
  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.
  22  *
  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.
  26  */
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <stdio.h>
  33
  34 #include <time.h>
  35 #include <string.h>
  36 #include <glib.h>
  37 #include <ctype.h>
  38 #include <epan/packet.h>
  39 #include <epan/emem.h>
  40 #include <epan/dissectors/packet-smb.h>
  41
  42 #include "packet-smb-browse.h"
  43 #include "packet-dcerpc.h"
  44
  45 static int proto_smb_browse = -1;
  46 static int hf_command = -1;
  47 static int hf_update_count = -1;
  48 static int hf_periodicity = -1;
  49 static int hf_server_name = -1;
  50 static int hf_mb_server_name = -1;
  51 static int hf_mb_reset_command = -1;
  52 static int hf_mb_reset_demote = -1;
  53 static int hf_mb_reset_flush = -1;
  54 static int hf_mb_reset_stop = -1;
  55 static int hf_os_major = -1;
  56 static int hf_os_minor = -1;
  57 static int hf_server_type = -1;
  58 static int hf_server_type_workstation = -1;
  59 static int hf_server_type_server = -1;
  60 static int hf_server_type_sql = -1;
  61 static int hf_server_type_domain = -1;
  62 static int hf_server_type_backup = -1;
  63 static int hf_server_type_time = -1;
  64 static int hf_server_type_apple = -1;
  65 static int hf_server_type_novell = -1;
  66 static int hf_server_type_member = -1;
  67 static int hf_server_type_print = -1;
  68 static int hf_server_type_dialin = -1;
  69 static int hf_server_type_xenix = -1;
  70 static int hf_server_type_ntw = -1;
  71 static int hf_server_type_wfw = -1;
  72 static int hf_server_type_nts = -1;
  73 static int hf_server_type_potentialb = -1;
  74 static int hf_server_type_backupb = -1;
  75 static int hf_server_type_masterb = -1;
  76 static int hf_server_type_domainmasterb = -1;
  77 static int hf_server_type_osf = -1;
  78 static int hf_server_type_vms = -1;
  79 static int hf_server_type_w95 = -1;
  80 static int hf_server_type_local = -1;
  81 static int hf_server_type_domainenum = -1;
  82 static int hf_election_version = -1;
  83 static int hf_proto_major = -1;
  84 static int hf_proto_minor = -1;
  85 static int hf_sig_const = -1;
  86 static int hf_server_comment = -1;
  87 static int hf_unused_flags = -1;
  88 static int hf_response_computer_name = -1;
  89 static int hf_election_criteria = -1;
  90 static int hf_election_desire = -1;
  91 static int hf_election_desire_flags_backup = -1;
  92 static int hf_election_desire_flags_standby = -1;
  93 static int hf_election_desire_flags_master = -1;
  94 static int hf_election_desire_flags_domain_master = -1;
  95 static int hf_election_desire_flags_wins = -1;
  96 static int hf_election_desire_flags_nt = -1;
  97 static int hf_election_revision = -1;
  98 static int hf_election_os = -1;
  99 static int hf_election_os_wfw = -1;
 100 static int hf_election_os_ntw = -1;
 101 static int hf_election_os_nts = -1;
 102 static int hf_server_uptime = -1;
 103 static int hf_backup_count = -1;
 104 static int hf_backup_token = -1;
 105 static int hf_backup_server = -1;
 106 static int hf_browser_to_promote = -1;
 107
 108 static gint ett_browse = -1;
 109 static gint ett_browse_flags = -1;
 110 static gint ett_browse_election_criteria = -1;
 111 static gint ett_browse_election_os = -1;
 112 static gint ett_browse_election_desire = -1;
 113 static gint ett_browse_reset_cmd_flags = -1;
 114
 115 #define SERVER_WORKSTATION              0
 116 #define SERVER_SERVER                   1
 117 #define SERVER_SQL_SERVER               2
 118 #define SERVER_DOMAIN_CONTROLLER        3
 119 #define SERVER_BACKUP_CONTROLLER        4
 120 #define SERVER_TIME_SOURCE              5
 121 #define SERVER_APPLE_SERVER             6
 122 #define SERVER_NOVELL_SERVER            7
 123 #define SERVER_DOMAIN_MEMBER_SERVER     8
 124 #define SERVER_PRINT_QUEUE_SERVER       9
 125 #define SERVER_DIALIN_SERVER            10
 126 #define SERVER_XENIX_SERVER             11
 127 #define SERVER_NT_WORKSTATION           12
 128 #define SERVER_WINDOWS_FOR_WORKGROUPS   13
 129 #define SERVER_NT_SERVER                15
 130 #define SERVER_POTENTIAL_BROWSER        16
 131 #define SERVER_BACKUP_BROWSER           17
 132 #define SERVER_MASTER_BROWSER           18
 133 #define SERVER_DOMAIN_MASTER_BROWSER    19
 134 #define SERVER_OSF                      20
 135 #define SERVER_VMS                      21
 136 #define SERVER_WINDOWS_95               22
 137 #define SERVER_LOCAL_LIST_ONLY          30
 138 #define SERVER_DOMAIN_ENUM              31
 139
 140 static const value_string server_types[] = {
 141         {SERVER_WORKSTATION,            "Workstation"},
 142         {SERVER_SERVER,                 "Server"},
 143         {SERVER_SQL_SERVER,             "SQL Server"},
 144         {SERVER_DOMAIN_CONTROLLER,      "Domain Controller"},
 145         {SERVER_BACKUP_CONTROLLER,      "Backup Controller"},
 146         {SERVER_TIME_SOURCE,            "Time Source"},
 147         {SERVER_APPLE_SERVER,           "Apple Server"},
 148         {SERVER_NOVELL_SERVER,          "Novell Server"},
 149         {SERVER_DOMAIN_MEMBER_SERVER,   "Domain Member Server"},
 150         {SERVER_PRINT_QUEUE_SERVER,     "Print Queue Server"},
 151         {SERVER_DIALIN_SERVER,          "Dialin Server"},
 152         {SERVER_XENIX_SERVER,           "Xenix Server"},
 153         {SERVER_NT_WORKSTATION,         "NT Workstation"},
 154         {SERVER_WINDOWS_FOR_WORKGROUPS, "Windows for Workgroups"},
 155         {SERVER_NT_SERVER,              "NT Server"},
 156         {SERVER_POTENTIAL_BROWSER,      "Potential Browser"},
 157         {SERVER_BACKUP_BROWSER,         "Backup Browser"},
 158         {SERVER_MASTER_BROWSER,         "Master Browser"},
 159         {SERVER_DOMAIN_MASTER_BROWSER,  "Domain Master Browser"},
 160         {SERVER_OSF,                    "OSF"},
 161         {SERVER_VMS,                    "VMS"},
 162         {SERVER_WINDOWS_95,             "Windows 95 or above"},
 163         {SERVER_LOCAL_LIST_ONLY,        "Local List Only"},
 164         {SERVER_DOMAIN_ENUM,            "Domain Enum"},
 165         {0,     NULL}
 166 };
 167
 168 static const value_string resetbrowserstate_command_names[] = {
 169   { 0x01, "Stop being a master browser and become a backup browser"},
 170   { 0x02, "Discard browse lists, stop being a master browser, and try again"},
 171   { 0x04, "Stop being a master browser for ever"},
 172   { 0, NULL}
 173 };
 174
 175 static true_false_string tfs_demote_to_backup = {
 176         "Demote an LMB to a Backup Browser",
 177         "Do not demote an LMB to a Backup Browser"
 178 };
 179
 180 static true_false_string tfs_flush_browse_list = {
 181         "Flush the Browse List",
 182         "Do not Flush the Browse List"
 183 };
 184
 185 static true_false_string tfs_stop_being_lmb = {
 186         "Stop Being a Local Master Browser",
 187         "Do not Stop Being a Local Master Browser"
 188 };
 189
 190 static const true_false_string tfs_workstation = {
 191         "This is a Workstation",
 192         "This is NOT a Workstation"
 193 };
 194 static const true_false_string tfs_server = {
 195         "This is a Server",
 196         "This is NOT a Server"
 197 };
 198 static const true_false_string tfs_sql = {
 199         "This is an SQL server",
 200         "This is NOT an SQL server"
 201 };
 202 static const true_false_string tfs_domain = {
 203         "This is a Domain Controller",
 204         "This is NOT a Domain Controller"
 205 };
 206 static const true_false_string tfs_backup = {
 207         "This is a Backup Controller",
 208         "This is NOT a Backup Controller"
 209 };
 210 static const true_false_string tfs_time = {
 211         "This is a Time Source",
 212         "This is NOT a Time Source"
 213 };
 214 static const true_false_string tfs_apple = {
 215         "This is an Apple host",
 216         "This is NOT an Apple host"
 217 };
 218 static const true_false_string tfs_novell = {
 219         "This is a Novell server",
 220         "This is NOT a Novell server"
 221 };
 222 static const true_false_string tfs_member = {
 223         "This is a Domain Member server",
 224         "This is NOT a Domain Member server"
 225 };
 226 static const true_false_string tfs_print = {
 227         "This is a Print Queue server",
 228         "This is NOT a Print Queue server"
 229 };
 230 static const true_false_string tfs_dialin = {
 231         "This is a Dialin server",
 232         "This is NOT a Dialin server"
 233 };
 234 static const true_false_string tfs_xenix = {
 235         "This is a Xenix server",
 236         "This is NOT a Xenix server"
 237 };
 238 static const true_false_string tfs_ntw = {
 239         "This is an NT Workstation",
 240         "This is NOT an NT Workstation"
 241 };
 242 static const true_false_string tfs_wfw = {
 243         "This is a WfW host",
 244         "This is NOT a WfW host"
 245 };
 246 static const true_false_string tfs_nts = {
 247         "This is an NT Server",
 248         "This is NOT an NT Server"
 249 };
 250 static const true_false_string tfs_potentialb = {
 251         "This is a Potential Browser",
 252         "This is NOT a Potential Browser"
 253 };
 254 static const true_false_string tfs_backupb = {
 255         "This is a Backup Browser",
 256         "This is NOT a Backup Browser"
 257 };
 258 static const true_false_string tfs_masterb = {
 259         "This is a Master Browser",
 260         "This is NOT a Master Browser"
 261 };
 262 static const true_false_string tfs_domainmasterb = {
 263         "This is a Domain Master Browser",
 264         "This is NOT a Domain Master Browser"
 265 };
 266 static const true_false_string tfs_osf = {
 267         "This is an OSF host",
 268         "This is NOT an OSF host"
 269 };
 270 static const true_false_string tfs_vms = {
 271         "This is a VMS host",
 272         "This is NOT a VMS host"
 273 };
 274 static const true_false_string tfs_w95 = {
 275         "This is a Windows 95 or above host",
 276         "This is NOT a Windows 95 or above host"
 277 };
 278 static const true_false_string tfs_local = {
 279         "This is a local list only request",
 280         "This is NOT a local list only request"
 281 };
 282 static const true_false_string tfs_domainenum = {
 283         "This is a Domain Enum request",
 284         "This is NOT a Domain Enum request"
 285 };
 286
 287 #define DESIRE_BACKUP                   0
 288 #define DESIRE_STANDBY                  1
 289 #define DESIRE_MASTER                   2
 290 #define DESIRE_DOMAIN_MASTER            3
 291 #define DESIRE_WINS                     5
 292 #define DESIRE_NT                       7
 293
 294 static const true_false_string tfs_desire_backup = {
 295         "Backup Browse Server",
 296         "NOT Backup Browse Server"
 297 };
 298 static const true_false_string tfs_desire_standby = {
 299         "Standby Browse Server",
 300         "NOT Standby Browse Server"
 301 };
 302 static const true_false_string tfs_desire_master = {
 303         "Master Browser",
 304         "NOT Master Browser"
 305 };
 306 static const true_false_string tfs_desire_domain_master = {
 307         "Domain Master Browse Server",
 308         "NOT Domain Master Browse Server"
 309 };
 310 static const true_false_string tfs_desire_wins = {
 311         "WINS Client",
 312         "NOT WINS Client"
 313 };
 314 static const true_false_string tfs_desire_nt = {
 315         "Windows NT Advanced Server",
 316         "NOT Windows NT Advanced Server"
 317 };
 318
 319 #define BROWSE_HOST_ANNOUNCE                    1
 320 #define BROWSE_REQUEST_ANNOUNCE                 2
 321 #define BROWSE_ELECTION_REQUEST                 8
 322 #define BROWSE_BACKUP_LIST_REQUEST              9
 323 #define BROWSE_BACKUP_LIST_RESPONSE             10
 324 #define BROWSE_BECOME_BACKUP                    11
 325 #define BROWSE_DOMAIN_ANNOUNCEMENT              12
 326 #define BROWSE_MASTER_ANNOUNCEMENT              13
 327 #define BROWSE_RESETBROWSERSTATE_ANNOUNCEMENT   14
 328 #define BROWSE_LOCAL_MASTER_ANNOUNCEMENT        15
 329
 330 static const value_string commands[] = {
 331         {BROWSE_HOST_ANNOUNCE,          "Host Announcement"},
 332         {BROWSE_REQUEST_ANNOUNCE,       "Request Announcement"},
 333         {BROWSE_ELECTION_REQUEST,       "Browser Election Request"},
 334         {BROWSE_BACKUP_LIST_REQUEST,    "Get Backup List Request"},
 335         {BROWSE_BACKUP_LIST_RESPONSE,   "Get Backup List Response"},
 336         {BROWSE_BECOME_BACKUP,          "Become Backup Browser"},
 337         {BROWSE_DOMAIN_ANNOUNCEMENT,    "Domain/Workgroup Announcement"},
 338         {BROWSE_MASTER_ANNOUNCEMENT,    "Master Announcement"},
 339         {BROWSE_RESETBROWSERSTATE_ANNOUNCEMENT, "Reset Browser State Announcement"},
 340         {BROWSE_LOCAL_MASTER_ANNOUNCEMENT,"Local Master Announcement"},
 341         {0,                             NULL}
 342 };
 343
 344 #define OS_WFW                          0
 345 #define OS_NTW                          4
 346 #define OS_NTS                          5
 347
 348 static const true_false_string tfs_os_wfw = {
 349         "Windows for Workgroups",
 350         "Not Windows for Workgroups"
 351 };
 352 static const true_false_string tfs_os_ntw = {
 353         "Windows NT Workstation",
 354         "Not Windows NT Workstation"
 355 };
 356 static const true_false_string tfs_os_nts = {
 357         "Windows NT Server",
 358         "Not Windows NT Server"
 359 };
 360
 361 static void
 362 dissect_election_criterion_os(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
 363 {
 364         proto_tree *tree = NULL;
 365         proto_item *item = NULL;
 366         guint8 os;
 367
 368         os = tvb_get_guint8(tvb, offset);
 369
 370         if (parent_tree) {
 371                 item = proto_tree_add_uint(parent_tree, hf_election_os, tvb, offset, 1, os);
 372                 tree = proto_item_add_subtree(item, ett_browse_election_os);
 373         }
 374
 375         proto_tree_add_boolean(tree, hf_election_os_wfw,
 376                 tvb, offset, 1, os);
 377         proto_tree_add_boolean(tree, hf_election_os_ntw,
 378                 tvb, offset, 1, os);
 379         proto_tree_add_boolean(tree, hf_election_os_nts,
 380                 tvb, offset, 1, os);
 381
 382 }
 383
 384 static void
 385 dissect_election_criterion_desire(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
 386 {
 387         proto_tree *tree = NULL;
 388         proto_item *item = NULL;
 389         guint8 desire;
 390
 391         desire = tvb_get_guint8(tvb, offset);
 392
 393         if (parent_tree) {
 394                 item = proto_tree_add_uint(parent_tree, hf_election_desire, tvb, offset, 1, desire);
 395                 tree = proto_item_add_subtree(item, ett_browse_election_desire);
 396         }
 397
 398         proto_tree_add_boolean(tree, hf_election_desire_flags_backup,
 399                 tvb, offset, 1, desire);
 400         proto_tree_add_boolean(tree, hf_election_desire_flags_standby,
 401                 tvb, offset, 1, desire);
 402         proto_tree_add_boolean(tree, hf_election_desire_flags_master,
 403                 tvb, offset, 1, desire);
 404         proto_tree_add_boolean(tree, hf_election_desire_flags_domain_master,
 405                 tvb, offset, 1, desire);
 406         proto_tree_add_boolean(tree, hf_election_desire_flags_wins,
 407                 tvb, offset, 1, desire);
 408         proto_tree_add_boolean(tree, hf_election_desire_flags_nt,
 409                 tvb, offset, 1, desire);
 410
 411 }
 412
 413 static void
 414 dissect_election_criterion(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
 415 {
 416         proto_tree *tree = NULL;
 417         proto_item *item = NULL;
 418         guint32 criterion;
 419
 420         criterion = tvb_get_letohl(tvb, offset);
 421
 422         if (parent_tree) {
 423                 item = proto_tree_add_uint(parent_tree, hf_election_criteria, tvb, offset, 4, criterion);
 424                 tree = proto_item_add_subtree(item, ett_browse_election_criteria);
 425         }
 426
 427         /* election desire */
 428         dissect_election_criterion_desire(tvb, tree, offset);
 429         offset += 1;
 430
 431         /* browser protocol major version */
 432         proto_tree_add_item(tree, hf_proto_major, tvb, offset, 1, TRUE);
 433         offset += 1;
 434
 435         /* browser protocol minor version */
 436         proto_tree_add_item(tree, hf_proto_minor, tvb, offset, 1, TRUE);
 437         offset += 1;
 438
 439         /* election os */
 440         dissect_election_criterion_os(tvb, tree, offset);
 441         offset += 1;
 442
 443 }
 444
 445 /*
 446  * XXX - this causes non-browser packets to have browser fields.
 447  */
 448 int
 449 dissect_smb_server_type_flags(tvbuff_t *tvb, int offset, packet_info *pinfo,
 450                               proto_tree *parent_tree, guint8 *drep,
 451                               gboolean infoflag)
 452 {
 453         proto_tree *tree = NULL;
 454         proto_item *item = NULL;
 455         guint32 flags;
 456         int i;
 457
 458         if (drep != NULL) {
 459                 /*
 460                  * Called from a DCE RPC protocol dissector, for a
 461                  * protocol where a 32-bit NDR integer contains
 462                  * an server type mask; extract the server type mask
 463                  * with an NDR call (but don't put it into the
 464                  * protocol tree, as we can't get a pointer to the
 465                  * item it puts in, and thus can't put a tree below
 466                  * it with the values of the individual bits).
 467                  */
 468                 offset = dissect_ndr_uint32(
 469                         tvb, offset, pinfo, NULL, drep, hf_server_type, &flags);
 470         } else {
 471                 /*
 472                  * Called from SMB browser or RAP, where the server type
 473                  * mask is just a 4-byte little-endian quantity with no
 474                  * special NDR alignment requirement; extract it with
 475                  * "tvb_get_letohl()".
 476                  */
 477                 flags = tvb_get_letohl(tvb, offset);
 478                 offset += 4;
 479         }
 480
 481         if (parent_tree) {
 482                 item = proto_tree_add_uint(parent_tree, hf_server_type, tvb, offset-4, 4, flags);
 483                 tree = proto_item_add_subtree(item, ett_browse_flags);
 484         }
 485
 486         if (infoflag) {
 487                 /* Append the type(s) of the system to the COL_INFO line ... */
 488                 if (check_col(pinfo->cinfo, COL_INFO)) {
 489                         for (i = 0; i < 32; i++) {
 490                                 if (flags & (1<<i)) {
 491                                         col_append_fstr(pinfo->cinfo, COL_INFO, ", %s",
 492                                                 val_to_str(i, server_types,
 493                                                 "Unknown server type:%d"));
 494                                 }
 495                         }
 496                 }
 497         }
 498
 499         proto_tree_add_boolean(tree, hf_server_type_workstation,
 500                 tvb, offset-4, 4, flags);
 501         proto_tree_add_boolean(tree, hf_server_type_server,
 502                 tvb, offset-4, 4, flags);
 503         proto_tree_add_boolean(tree, hf_server_type_sql,
 504                 tvb, offset-4, 4, flags);
 505         proto_tree_add_boolean(tree, hf_server_type_domain,
 506                 tvb, offset-4, 4, flags);
 507         proto_tree_add_boolean(tree, hf_server_type_backup,
 508                 tvb, offset-4, 4, flags);
 509         proto_tree_add_boolean(tree, hf_server_type_time,
 510                 tvb, offset-4, 4, flags);
 511         proto_tree_add_boolean(tree, hf_server_type_apple,
 512                 tvb, offset-4, 4, flags);
 513         proto_tree_add_boolean(tree, hf_server_type_novell,
 514                 tvb, offset-4, 4, flags);
 515         proto_tree_add_boolean(tree, hf_server_type_member,
 516                 tvb, offset-4, 4, flags);
 517         proto_tree_add_boolean(tree, hf_server_type_print,
 518                 tvb, offset-4, 4, flags);
 519         proto_tree_add_boolean(tree, hf_server_type_dialin,
 520                 tvb, offset-4, 4, flags);
 521         proto_tree_add_boolean(tree, hf_server_type_xenix,
 522                 tvb, offset-4, 4, flags);
 523         proto_tree_add_boolean(tree, hf_server_type_ntw,
 524                 tvb, offset-4, 4, flags);
 525         proto_tree_add_boolean(tree, hf_server_type_wfw,
 526                 tvb, offset-4, 4, flags);
 527         proto_tree_add_boolean(tree, hf_server_type_nts,
 528                 tvb, offset-4, 4, flags);
 529         proto_tree_add_boolean(tree, hf_server_type_potentialb,
 530                 tvb, offset-4, 4, flags);
 531         proto_tree_add_boolean(tree, hf_server_type_backupb,
 532                 tvb, offset-4, 4, flags);
 533         proto_tree_add_boolean(tree, hf_server_type_masterb,
 534                 tvb, offset-4, 4, flags);
 535         proto_tree_add_boolean(tree, hf_server_type_domainmasterb,
 536                 tvb, offset-4, 4, flags);
 537         proto_tree_add_boolean(tree, hf_server_type_osf,
 538                 tvb, offset-4, 4, flags);
 539         proto_tree_add_boolean(tree, hf_server_type_vms,
 540                 tvb, offset-4, 4, flags);
 541         proto_tree_add_boolean(tree, hf_server_type_w95,
 542                 tvb, offset-4, 4, flags);
 543         proto_tree_add_boolean(tree, hf_server_type_local,
 544                 tvb, offset-4, 4, flags);
 545         proto_tree_add_boolean(tree, hf_server_type_domainenum,
 546                 tvb, offset-4, 4, flags);
 547
 548         return offset;
 549 }
 550
 551
 552 static void
 553 dissect_mailslot_browse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
 554 {
 555         int offset = 0;
 556         guint8 cmd;
 557         proto_tree *tree = NULL;
 558         proto_item *item = NULL;
 559         guint32 periodicity;
 560         guint8 host_name[17];
 561         gint namelen;
 562         guint8 server_count, reset_cmd;
 563         int i;
 564         guint32 uptime;
 565
 566         if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
 567                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "BROWSER");
 568         }
 569         if (check_col(pinfo->cinfo, COL_INFO)) {
 570                 col_clear(pinfo->cinfo, COL_INFO);
 571         }
 572
 573         cmd = tvb_get_guint8(tvb, offset);
 574
 575         if (check_col(pinfo->cinfo, COL_INFO)) {
 576                 /* Put in something, and replace it later */
 577                 col_add_str(pinfo->cinfo, COL_INFO, val_to_str(cmd, commands, "Unknown command:0x%02x"));
 578         }
 579
 580
 581         if (parent_tree) {
 582                 item = proto_tree_add_item(parent_tree, proto_smb_browse, tvb, offset, -1, TRUE);
 583
 584                 tree = proto_item_add_subtree(item, ett_browse);
 585         }
 586
 587         /* command */
 588         proto_tree_add_uint(tree, hf_command, tvb, offset, 1, cmd);
 589         offset += 1;
 590
 591         switch (cmd) {
 592         case BROWSE_DOMAIN_ANNOUNCEMENT:
 593         case BROWSE_LOCAL_MASTER_ANNOUNCEMENT:
 594         case BROWSE_HOST_ANNOUNCE: {
 595                 /* update count */
 596                 proto_tree_add_item(tree, hf_update_count, tvb, offset, 1, TRUE);
 597                 offset += 1;
 598
 599                 /* periodicity (in milliseconds) */
 600                 periodicity = tvb_get_letohl(tvb, offset);
 601                 proto_tree_add_uint_format(tree, hf_periodicity, tvb, offset, 4,
 602                     periodicity,
 603                     "Update Periodicity: %s",
 604                     time_msecs_to_str(periodicity));
 605                 offset += 4;
 606
 607                 /* server name */
 608                 tvb_get_nstringz0(tvb, offset, sizeof(host_name), host_name);
 609                 if (check_col(pinfo->cinfo, COL_INFO)) {
 610                         col_append_fstr(pinfo->cinfo, COL_INFO, " %s", host_name);
 611                 }
 612                 proto_tree_add_string_format(tree, hf_server_name,
 613                         tvb, offset, 16,
 614                         host_name,
 615                         (cmd==BROWSE_DOMAIN_ANNOUNCEMENT)?
 616                                 "Domain/Workgroup: %s":
 617                                 "Host Name: %s",
 618                         host_name);
 619                 offset += 16;
 620
 621                 /* OS major version */
 622                 proto_tree_add_item(tree, hf_os_major, tvb, offset, 1, TRUE);
 623                 offset += 1;
 624
 625                 /* OS minor version */
 626                 proto_tree_add_item(tree, hf_os_minor, tvb, offset, 1, TRUE);
 627                 offset += 1;
 628
 629                 /* server type flags */
 630                 offset = dissect_smb_server_type_flags(
 631                         tvb, offset, pinfo, tree, NULL, TRUE);
 632
 633                 if (cmd == BROWSE_DOMAIN_ANNOUNCEMENT) {
 634                         /*
 635                          * Network Monitor claims this is a "Comment
 636                          * Pointer".  I don't believe it.
 637                          *
 638                          * It's not a browser protocol major/minor
 639                          * version number, and signature constant,
 640                          * however.
 641                          */
 642                         proto_tree_add_text(tree, tvb, offset, 4,
 643                             "Mysterious Field: 0x%08x",
 644                             tvb_get_letohl(tvb, offset));
 645                         offset += 4;
 646                 } else {
 647                         /* browser protocol major version */
 648                         proto_tree_add_item(tree, hf_proto_major, tvb, offset, 1, TRUE);
 649                         offset += 1;
 650
 651                         /* browser protocol minor version */
 652                         proto_tree_add_item(tree, hf_proto_minor, tvb, offset, 1, TRUE);
 653                         offset += 1;
 654
 655                         /* signature constant */
 656                         proto_tree_add_item(tree, hf_sig_const, tvb, offset, 2, TRUE);
 657                         offset += 2;
 658                 }
 659
 660                 /* master browser server name or server comment */
 661                 namelen = tvb_strsize(tvb, offset);
 662                 proto_tree_add_item(tree,
 663                         (cmd==BROWSE_DOMAIN_ANNOUNCEMENT)?
 664                             hf_mb_server_name : hf_server_comment,
 665                         tvb, offset, namelen, TRUE);
 666                 offset += namelen;
 667                 break;
 668         }
 669         case BROWSE_REQUEST_ANNOUNCE: {
 670                 guint8 *computer_name;
 671
 672                 /* unused/unknown flags */
 673                 proto_tree_add_item(tree, hf_unused_flags,
 674                         tvb, offset, 1, TRUE);
 675                 offset += 1;
 676
 677                 /* name of computer to which to send reply */
 678                 computer_name = tvb_get_ephemeral_stringz(tvb, offset, &namelen);
 679                 proto_tree_add_string(tree, hf_response_computer_name,
 680                         tvb, offset, namelen, computer_name);
 681                 if (check_col(pinfo->cinfo, COL_INFO))
 682                         col_append_fstr(
 683                                 pinfo->cinfo, COL_INFO, " %s", computer_name);
 684                 offset += namelen;
 685                 break;
 686         }
 687
 688         case BROWSE_ELECTION_REQUEST:
 689                 /* election version */
 690                 proto_tree_add_item(tree, hf_election_version, tvb, offset, 1, TRUE);
 691                 offset += 1;
 692
 693                 /* criterion */
 694                 dissect_election_criterion(tvb, tree, offset);
 695                 offset += 4;
 696
 697                 /* server uptime */
 698                 uptime = tvb_get_letohl(tvb, offset);
 699                 proto_tree_add_uint_format(tree, hf_server_uptime,
 700                     tvb, offset, 4, uptime,
 701                     "Uptime: %s",
 702                     time_msecs_to_str(uptime));
 703                 offset += 4;
 704
 705                 /* next 4 bytes must be zero */
 706                 offset += 4;
 707
 708                 /* server name */
 709                 namelen = tvb_strsize(tvb, offset);
 710                 proto_tree_add_item(tree, hf_server_name,
 711                         tvb, offset, namelen, TRUE);
 712                 offset += namelen;
 713                 break;
 714
 715         case BROWSE_BACKUP_LIST_REQUEST:
 716                 /* backup list requested count */
 717                 proto_tree_add_item(tree, hf_backup_count, tvb, offset, 1, TRUE);
 718                 offset += 1;
 719
 720                 /* backup requested token */
 721                 proto_tree_add_item(tree, hf_backup_token, tvb, offset, 4, TRUE);
 722                 offset += 4;
 723                 break;
 724
 725         case BROWSE_BACKUP_LIST_RESPONSE:
 726                 /* backup list requested count */
 727                 server_count = tvb_get_guint8(tvb, offset);
 728                 proto_tree_add_uint(tree, hf_backup_count, tvb, offset, 1,
 729                     server_count);
 730                 offset += 1;
 731
 732                 /* backup requested token */
 733                 proto_tree_add_item(tree, hf_backup_token, tvb, offset, 4, TRUE);
 734                 offset += 4;
 735
 736                 /* backup server names */
 737                 for (i = 0; i < server_count; i++) {
 738                         namelen = tvb_strsize(tvb, offset);
 739                         proto_tree_add_item(tree, hf_backup_server,
 740                                 tvb, offset, namelen, TRUE);
 741                         offset += namelen;
 742                 }
 743                 break;
 744
 745         case BROWSE_MASTER_ANNOUNCEMENT:
 746                 /* master browser server name */
 747                 namelen = tvb_strsize(tvb, offset);
 748                 proto_tree_add_item(tree, hf_mb_server_name,
 749                         tvb, offset, namelen, TRUE);
 750                 offset += namelen;
 751                 break;
 752
 753         case BROWSE_RESETBROWSERSTATE_ANNOUNCEMENT: {
 754                 proto_tree *sub_tree;
 755                 proto_item *reset_item;
 756
 757                 /* the subcommand follows ... one of three values */
 758
 759                 reset_cmd = tvb_get_guint8(tvb, offset);
 760                 reset_item = proto_tree_add_uint(tree, hf_mb_reset_command, tvb,
 761                                                  offset, 1, reset_cmd);
 762                 sub_tree = proto_item_add_subtree(item, ett_browse_reset_cmd_flags);
 763                 proto_tree_add_boolean(sub_tree, hf_mb_reset_demote, tvb,
 764                                        offset, 1, reset_cmd);
 765                 proto_tree_add_boolean(sub_tree, hf_mb_reset_flush, tvb,
 766                                        offset, 1, reset_cmd);
 767                 proto_tree_add_boolean(sub_tree, hf_mb_reset_stop, tvb,
 768                                        offset, 1, reset_cmd);
 769                 offset += 1;
 770                 break;
 771         }
 772
 773         case BROWSE_BECOME_BACKUP:
 774                 /* name of browser to promote */
 775                 namelen = tvb_strsize(tvb, offset);
 776                 proto_tree_add_item(tree, hf_browser_to_promote,
 777                         tvb, offset, namelen, TRUE);
 778                 offset += namelen;
 779                 break;
 780         }
 781 }
 782
 783 /*
 784  * It appears that browser announcements sent to \MAILSLOT\LANMAN aren't
 785  * the same as browser announcements sent to \MAILSLOT\BROWSE.
 786  * Was that an older version of the protocol?
 787  *
 788  * The document at
 789  *
 790  *      http://www.samba.org/samba/ftp/specs/brow_rev.txt
 791  *
 792  * gives both formats of host announcement packets, saying that
 793  * "[The first] format seems wrong", that one being what appears to
 794  * show up in \MAILSLOT\LANMAN packets, and that "[The second one]
 795  * may be better", that one being what appears to show up in
 796  * \MAILSLOT\BROWSE packets.
 797  *
 798  * XXX - what other browser packets go out to that mailslot?
 799  */
 800 static void
 801 dissect_mailslot_lanman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
 802 {
 803         int offset = 0;
 804         guint8 cmd;
 805         proto_tree *tree = NULL;
 806         proto_item *item = NULL;
 807         guint32 periodicity;
 808         const guint8 *host_name;
 809         guint namelen;
 810
 811         if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
 812                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "BROWSER");
 813         }
 814         if (check_col(pinfo->cinfo, COL_INFO)) {
 815                 col_clear(pinfo->cinfo, COL_INFO);
 816         }
 817
 818         cmd = tvb_get_guint8(tvb, offset);
 819
 820         if (check_col(pinfo->cinfo, COL_INFO)) {
 821                 /* Put in something, and replace it later */
 822                 col_add_str(pinfo->cinfo, COL_INFO, val_to_str(cmd, commands, "Unknown command:0x%02x"));
 823         }
 824
 825
 826         if (parent_tree) {
 827                 item = proto_tree_add_item(parent_tree, proto_smb_browse, tvb, offset, -1, TRUE);
 828
 829                 tree = proto_item_add_subtree(item, ett_browse);
 830         }
 831
 832         /* command */
 833         proto_tree_add_uint(tree, hf_command, tvb, offset, 1, cmd);
 834         offset += 1;
 835
 836         switch (cmd) {
 837         case BROWSE_DOMAIN_ANNOUNCEMENT:
 838         case BROWSE_LOCAL_MASTER_ANNOUNCEMENT:
 839         case BROWSE_HOST_ANNOUNCE:
 840
 841                 /* update count */
 842                 proto_tree_add_item(tree, hf_update_count, tvb, offset, 1, TRUE);
 843                 offset += 1;
 844
 845                 /* server type flags */
 846                 offset = dissect_smb_server_type_flags(
 847                         tvb, offset, pinfo, tree, NULL, TRUE);
 848
 849                 /* OS major version */
 850                 proto_tree_add_item(tree, hf_os_major, tvb, offset, 1, TRUE);
 851                 offset += 1;
 852
 853                 /* OS minor version */
 854                 proto_tree_add_item(tree, hf_os_minor, tvb, offset, 1, TRUE);
 855                 offset += 1;
 856
 857                 /* periodicity (in seconds; convert to milliseconds) */
 858                 periodicity = tvb_get_letohs(tvb, offset)*1000;
 859                 proto_tree_add_uint_format(tree, hf_periodicity, tvb, offset, 2,
 860                     periodicity,
 861                     "Update Periodicity: %s",
 862                     time_msecs_to_str(periodicity));
 863                 offset += 2;
 864
 865                 /* server name */
 866                 namelen = tvb_strsize(tvb, offset);
 867                 host_name = tvb_get_ptr(tvb, offset, namelen);
 868                 if (check_col(pinfo->cinfo, COL_INFO)) {
 869                         col_append_fstr(pinfo->cinfo, COL_INFO, " %s", host_name);
 870                 }
 871                 proto_tree_add_item(tree, hf_server_name,
 872                         tvb, offset, namelen, TRUE);
 873                 offset += namelen;
 874
 875                 /* master browser server name or server comment */
 876                 namelen = tvb_strsize(tvb, offset);
 877                 proto_tree_add_item(tree,
 878                         (cmd==BROWSE_DOMAIN_ANNOUNCEMENT)?
 879                             hf_mb_server_name : hf_server_comment,
 880                         tvb, offset, namelen, TRUE);
 881                 offset += namelen;
 882                 break;
 883         }
 884 }
 885
 886 void
 887 proto_register_smb_browse(void)
 888 {
 889         static hf_register_info hf[] = {
 890                 { &hf_command,
 891                         { "Command", "browser.command", FT_UINT8, BASE_HEX,
 892                         VALS(commands), 0, "Browse command opcode", HFILL }},
 893
 894                 { &hf_update_count,
 895                         { "Update Count", "browser.update_count", FT_UINT8, BASE_DEC,
 896                         NULL, 0, "Browse Update Count", HFILL }},
 897
 898                 { &hf_periodicity,
 899                         { "Update Periodicity", "browser.period", FT_UINT32, BASE_DEC,
 900                         NULL, 0, "Update Periodicity in ms", HFILL }},
 901
 902                 { &hf_server_name,
 903                         { "Server Name", "browser.server", FT_STRING, BASE_NONE,
 904                         NULL, 0, "BROWSE Server Name", HFILL }},
 905
 906                 { &hf_mb_server_name,
 907                         { "Master Browser Server Name", "browser.mb_server", FT_STRING, BASE_NONE,
 908                         NULL, 0, "BROWSE Master Browser Server Name", HFILL }},
 909
 910                 { &hf_mb_reset_command,
 911                   { "ResetBrowserState Command", "browser.reset_cmd", FT_UINT8,
 912                     BASE_HEX, VALS(&resetbrowserstate_command_names), 0,
 913                     "ResetBrowserState Command", HFILL }},
 914                 { &hf_mb_reset_demote,
 915                   { "Demote LMB", "browser.reset_cmd.demote", FT_BOOLEAN,
 916                     8, TFS(&tfs_demote_to_backup), 0x01, "Demote LMB", HFILL}},
 917                 { &hf_mb_reset_flush,
 918                   { "Flush Browse List", "browser.reset_cmd.flush", FT_BOOLEAN,
 919                     8, TFS(&tfs_flush_browse_list), 0x02, "Flush Browse List", HFILL}},
 920                 { &hf_mb_reset_stop,
 921                   { "Stop Being LMB", "browser.reset_cmd.stop_lmb", FT_BOOLEAN,
 922                     8, TFS(&tfs_stop_being_lmb), 0x04, "Stop Being LMB", HFILL}},
 923                 { &hf_os_major,
 924                         { "OS Major Version", "browser.os_major", FT_UINT8, BASE_DEC,
 925                         NULL, 0, "Operating System Major Version", HFILL }},
 926
 927                 { &hf_os_minor,
 928                         { "OS Minor Version", "browser.os_minor", FT_UINT8, BASE_DEC,
 929                         NULL, 0, "Operating System Minor Version", HFILL }},
 930
 931                 { &hf_server_type,
 932                         { "Server Type", "browser.server_type", FT_UINT32, BASE_HEX,
 933                         NULL, 0, "Server Type Flags", HFILL }},
 934
 935                 { &hf_server_type_workstation,
 936                         { "Workstation", "browser.server_type.workstation", FT_BOOLEAN, 32,
 937                         TFS(&tfs_workstation), 1<<SERVER_WORKSTATION, "Is This A Workstation?", HFILL }},
 938
 939                 { &hf_server_type_server,
 940                         { "Server", "browser.server_type.server", FT_BOOLEAN, 32,
 941                         TFS(&tfs_server), 1<<SERVER_SERVER, "Is This A Server?", HFILL }},
 942
 943                 { &hf_server_type_sql,
 944                         { "SQL", "browser.server_type.sql", FT_BOOLEAN, 32,
 945                         TFS(&tfs_sql), 1<<SERVER_SQL_SERVER, "Is This A SQL Server?", HFILL }},
 946
 947                 { &hf_server_type_domain,
 948                         { "Domain Controller", "browser.server_type.domain_controller", FT_BOOLEAN, 32,
 949                         TFS(&tfs_domain), 1<<SERVER_DOMAIN_CONTROLLER, "Is This A Domain Controller?", HFILL }},
 950
 951                 { &hf_server_type_backup,
 952                         { "Backup Controller", "browser.server_type.backup_controller", FT_BOOLEAN, 32,
 953                         TFS(&tfs_backup), 1<<SERVER_BACKUP_CONTROLLER, "Is This A Backup Domain Controller?", HFILL }},
 954
 955                 { &hf_server_type_time,
 956                         { "Time Source", "browser.server_type.time", FT_BOOLEAN, 32,
 957                         TFS(&tfs_time), 1<<SERVER_TIME_SOURCE, "Is This A Time Source?", HFILL }},
 958
 959                 { &hf_server_type_apple,
 960                         { "Apple", "browser.server_type.apple", FT_BOOLEAN, 32,
 961                         TFS(&tfs_apple), 1<<SERVER_APPLE_SERVER, "Is This An Apple Server ?", HFILL }},
 962
 963                 { &hf_server_type_novell,
 964                         { "Novell", "browser.server_type.novell", FT_BOOLEAN, 32,
 965                         TFS(&tfs_novell), 1<<SERVER_NOVELL_SERVER, "Is This A Novell Server?", HFILL }},
 966
 967                 { &hf_server_type_member,
 968                         { "Member", "browser.server_type.member", FT_BOOLEAN, 32,
 969                         TFS(&tfs_member), 1<<SERVER_DOMAIN_MEMBER_SERVER, "Is This A Domain Member Server?", HFILL }},
 970
 971                 { &hf_server_type_print,
 972                         { "Print", "browser.server_type.print", FT_BOOLEAN, 32,
 973                         TFS(&tfs_print), 1<<SERVER_PRINT_QUEUE_SERVER, "Is This A Print Server?", HFILL }},
 974
 975                 { &hf_server_type_dialin,
 976                         { "Dialin", "browser.server_type.dialin", FT_BOOLEAN, 32,
 977                         TFS(&tfs_dialin), 1<<SERVER_DIALIN_SERVER, "Is This A Dialin Server?", HFILL }},
 978
 979                 { &hf_server_type_xenix,
 980                         { "Xenix", "browser.server_type.xenix", FT_BOOLEAN, 32,
 981                         TFS(&tfs_xenix), 1<<SERVER_XENIX_SERVER, "Is This A Xenix Server?", HFILL }},
 982
 983                 { &hf_server_type_ntw,
 984                         { "NT Workstation", "browser.server_type.ntw", FT_BOOLEAN, 32,
 985                         TFS(&tfs_ntw), 1<<SERVER_NT_WORKSTATION, "Is This A NT Workstation?", HFILL }},
 986
 987                 { &hf_server_type_wfw,
 988                         { "WfW", "browser.server_type.wfw", FT_BOOLEAN, 32,
 989                         TFS(&tfs_wfw), 1<<SERVER_WINDOWS_FOR_WORKGROUPS, "Is This A Windows For Workgroups Server?", HFILL }},
 990
 991                 { &hf_server_type_nts,
 992                         { "NT Server", "browser.server_type.nts", FT_BOOLEAN, 32,
 993                         TFS(&tfs_nts), 1<<SERVER_NT_SERVER, "Is This A NT Server?", HFILL }},
 994
 995                 { &hf_server_type_potentialb,
 996                         { "Potential Browser", "browser.server_type.browser.potential", FT_BOOLEAN, 32,
 997                         TFS(&tfs_potentialb), 1<<SERVER_POTENTIAL_BROWSER, "Is This A Potential Browser?", HFILL }},
 998
 999                 { &hf_server_type_backupb,
1000                         { "Backup Browser", "browser.server_type.browser.backup", FT_BOOLEAN, 32,
1001                         TFS(&tfs_backupb), 1<<SERVER_BACKUP_BROWSER, "Is This A Backup Browser?", HFILL }},
1002
1003                 { &hf_server_type_masterb,
1004                         { "Master Browser", "browser.server_type.browser.master", FT_BOOLEAN, 32,
1005                         TFS(&tfs_masterb), 1<<SERVER_MASTER_BROWSER, "Is This A Master Browser?", HFILL }},
1006
1007                 { &hf_server_type_domainmasterb,
1008                         { "Domain Master Browser", "browser.server_type.browser.domain_master", FT_BOOLEAN, 32,
1009                         TFS(&tfs_domainmasterb), 1<<SERVER_DOMAIN_MASTER_BROWSER, "Is This A Domain Master Browser?", HFILL }},
1010
1011                 { &hf_server_type_osf,
1012                         { "OSF", "browser.server_type.osf", FT_BOOLEAN, 32,
1013                         TFS(&tfs_osf), 1<<SERVER_OSF, "Is This An OSF server ?", HFILL }},
1014
1015                 { &hf_server_type_vms,
1016                         { "VMS", "browser.server_type.vms", FT_BOOLEAN, 32,
1017                         TFS(&tfs_vms), 1<<SERVER_VMS, "Is This A VMS Server?", HFILL }},
1018
1019                 { &hf_server_type_w95,
1020                         { "Windows 95+", "browser.server_type.w95", FT_BOOLEAN, 32,
1021                         TFS(&tfs_w95), 1<<SERVER_WINDOWS_95, "Is This A Windows 95 or above server?", HFILL }},
1022
1023                 { &hf_server_type_local,
1024                         { "Local", "browser.server_type.local", FT_BOOLEAN, 32,
1025                         TFS(&tfs_local), 1<<SERVER_LOCAL_LIST_ONLY, "Is This A Local List Only request?", HFILL }},
1026
1027                 { &hf_server_type_domainenum,
1028                         { "Domain Enum", "browser.server_type.domainenum", FT_BOOLEAN, 32,
1029                         TFS(&tfs_domainenum), 1<<SERVER_DOMAIN_ENUM, "Is This A Domain Enum request?", HFILL }},
1030
1031                 { &hf_election_version,
1032                         { "Election Version", "browser.election.version", FT_UINT8, BASE_DEC,
1033                         NULL, 0, "Election Version", HFILL }},
1034
1035                 { &hf_proto_major,
1036                         { "Browser Protocol Major Version", "browser.proto_major", FT_UINT8, BASE_DEC,
1037                         NULL, 0, "Browser Protocol Major Version", HFILL }},
1038
1039                 { &hf_proto_minor,
1040                         { "Browser Protocol Minor Version", "browser.proto_minor", FT_UINT8, BASE_DEC,
1041                         NULL, 0, "Browser Protocol Minor Version", HFILL }},
1042
1043                 { &hf_sig_const,
1044                         { "Signature", "browser.sig", FT_UINT16, BASE_HEX,
1045                         NULL, 0, "Signature Constant", HFILL }},
1046
1047                 { &hf_server_comment,
1048                         { "Host Comment", "browser.comment", FT_STRINGZ, BASE_NONE,
1049                         NULL, 0, "Server Comment", HFILL }},
1050
1051                 { &hf_unused_flags,
1052                         { "Unused flags", "browser.unused", FT_UINT8, BASE_HEX,
1053                         NULL, 0, "Unused/unknown flags", HFILL }},
1054
1055                 { &hf_response_computer_name,
1056                         { "Response Computer Name", "browser.response_computer_name", FT_STRINGZ, BASE_NONE,
1057                         NULL, 0, "Response Computer Name", HFILL }},
1058
1059                 { &hf_election_criteria,
1060                         { "Election Criteria", "browser.election.criteria", FT_UINT32, BASE_HEX,
1061                         NULL, 0, "Election Criteria", HFILL }},
1062
1063                 { &hf_election_desire,
1064                         { "Election Desire", "browser.election.desire", FT_UINT8, BASE_HEX,
1065                         NULL, 0, "Election Desire", HFILL }},
1066
1067                 { &hf_election_desire_flags_backup,
1068                         { "Backup", "browser.election.desire.backup", FT_BOOLEAN, 8,
1069                         TFS(&tfs_desire_backup), 1<<DESIRE_BACKUP, "Is this a backup server", HFILL }},
1070
1071                 { &hf_election_desire_flags_standby,
1072                         { "Standby", "browser.election.desire.standby", FT_BOOLEAN, 8,
1073                         TFS(&tfs_desire_standby), 1<<DESIRE_STANDBY, "Is this a standby server?", HFILL }},
1074
1075                 { &hf_election_desire_flags_master,
1076                         { "Master", "browser.election.desire.master", FT_BOOLEAN, 8,
1077                         TFS(&tfs_desire_master), 1<<DESIRE_MASTER, "Is this a master server", HFILL }},
1078
1079                 { &hf_election_desire_flags_domain_master,
1080                         { "Domain Master", "browser.election.desire.domain_master", FT_BOOLEAN, 8,
1081                         TFS(&tfs_desire_domain_master), 1<<DESIRE_DOMAIN_MASTER, "Is this a domain master", HFILL }},
1082
1083                 { &hf_election_desire_flags_wins,
1084                         { "WINS", "browser.election.desire.wins", FT_BOOLEAN, 8,
1085                         TFS(&tfs_desire_wins), 1<<DESIRE_WINS, "Is this a WINS server", HFILL }},
1086
1087                 { &hf_election_desire_flags_nt,
1088                         { "NT", "browser.election.desire.nt", FT_BOOLEAN, 8,
1089                         TFS(&tfs_desire_nt), 1<<DESIRE_NT, "Is this a NT server", HFILL }},
1090
1091                 { &hf_election_revision,
1092                         { "Election Revision", "browser.election.revision", FT_UINT16, BASE_DEC,
1093                         NULL, 0, "Election Revision", HFILL }},
1094
1095                 { &hf_election_os,
1096                         { "Election OS", "browser.election.os", FT_UINT8, BASE_HEX,
1097                         NULL, 0, "Election OS", HFILL }},
1098
1099                 { &hf_election_os_wfw,
1100                         { "WfW", "browser.election.os.wfw", FT_BOOLEAN, 8,
1101                         TFS(&tfs_os_wfw), 1<<OS_WFW, "Is this a WfW host?", HFILL }},
1102
1103                 { &hf_election_os_ntw,
1104                         { "NT Workstation", "browser.election.os.ntw", FT_BOOLEAN, 8,
1105                         TFS(&tfs_os_ntw), 1<<OS_NTW, "Is this a NT Workstation?", HFILL }},
1106
1107                 { &hf_election_os_nts,
1108                         { "NT Server", "browser.election.os.nts", FT_BOOLEAN, 8,
1109                         TFS(&tfs_os_nts), 1<<OS_NTS, "Is this a NT Server?", HFILL }},
1110
1111                 { &hf_server_uptime,
1112                         { "Uptime", "browser.uptime", FT_UINT32, BASE_DEC,
1113                         NULL, 0, "Server uptime in ms", HFILL }},
1114
1115                 { &hf_backup_count,
1116                         { "Backup List Requested Count", "browser.backup.count", FT_UINT8, BASE_DEC,
1117                         NULL, 0, "Backup list requested count", HFILL }},
1118
1119                 { &hf_backup_token,
1120                         { "Backup Request Token", "browser.backup.token", FT_UINT32, BASE_DEC,
1121                         NULL, 0, "Backup requested/response token", HFILL }},
1122
1123                 { &hf_backup_server,
1124                         { "Backup Server", "browser.backup.server", FT_STRING, BASE_NONE,
1125                         NULL, 0, "Backup Server Name", HFILL }},
1126
1127                 { &hf_browser_to_promote,
1128                         { "Browser to Promote", "browser.browser_to_promote", FT_STRINGZ, BASE_NONE,
1129                         NULL, 0, "Browser to Promote", HFILL }},
1130
1131         };
1132
1133         static gint *ett[] = {
1134                 &ett_browse,
1135                 &ett_browse_flags,
1136                 &ett_browse_election_criteria,
1137                 &ett_browse_election_os,
1138                 &ett_browse_election_desire,
1139                 &ett_browse_reset_cmd_flags,
1140         };
1141
1142         proto_smb_browse = proto_register_protocol("Microsoft Windows Browser Protocol",
1143             "BROWSER", "browser");
1144
1145         proto_register_field_array(proto_smb_browse, hf, array_length(hf));
1146         proto_register_subtree_array(ett, array_length(ett));
1147
1148         register_dissector("mailslot_browse", dissect_mailslot_browse,
1149             proto_smb_browse);
1150         register_dissector("mailslot_lanman", dissect_mailslot_lanman,
1151             proto_smb_browse);
1152 }