source3/torture/locktest.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    randomised byte range lock tester
   4    Copyright (C) Andrew Tridgell 1999
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22
  23 static fstring password[2];
  24 static fstring username[2];
  25 static int got_user;
  26 static int got_pass;
  27 static BOOL use_kerberos;
  28 static int numops = 1000;
  29 static BOOL showall;
  30 static BOOL analyze;
  31 static BOOL hide_unlock_fails;
  32 static BOOL use_oplocks;
  33 static unsigned lock_range = 100;
  34 static unsigned lock_base = 0;
  35 static unsigned min_length = 0;
  36 static BOOL exact_error_codes;
  37 static BOOL zero_zero;
  38
  39 #define FILENAME "\\locktest.dat"
  40
  41 #define READ_PCT 50
  42 #define LOCK_PCT 45
  43 #define UNLOCK_PCT 70
  44 #define RANGE_MULTIPLE 1
  45 #define NSERVERS 2
  46 #define NCONNECTIONS 2
  47 #define NFILES 2
  48 #define LOCK_TIMEOUT 0
  49
  50 #define NASTY_POSIX_LOCK_HACK 0
  51
  52 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  53
  54 const char *lock_op_type(int op)
  55 {
  56         if (op == WRITE_LOCK) return "write";
  57         else if (op == READ_LOCK) return "read";
  58         else return "other";
  59 }
  60
  61 const char *lock_op_name(enum lock_op op)
  62 {
  63         if (op == OP_LOCK) return "lock";
  64         else if (op == OP_UNLOCK) return "unlock";
  65         else return "reopen";
  66 }
  67
  68 struct record {
  69         enum lock_op lock_op;
  70         enum brl_type lock_type;
  71         char conn, f;
  72         SMB_BIG_UINT start, len;
  73         char needed;
  74 };
  75
  76 #define PRESETS 0
  77
  78 #if PRESETS
  79 static struct record preset[] = {
  80 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  81 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  82 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  83 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  84 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  85
  86 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  87 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  88 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  89 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  90
  91 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  92 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  93 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  94 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  95
  96 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  97 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
  98 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  99 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 100
 101 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 102 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
 103 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 104 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 105
 106 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 107 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
 108 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 109 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 110
 111 };
 112 #endif
 113
 114 static struct record *recorded;
 115
 116 static void print_brl(SMB_DEV_T dev,
 117                         SMB_INO_T ino,
 118                         struct process_id pid,
 119                         enum brl_type lock_type,
 120                         enum brl_flavour lock_flav,
 121                         br_off start,
 122                         br_off size)
 123 {
 124 #if NASTY_POSIX_LOCK_HACK
 125         {
 126                 pstring cmd;
 127                 static SMB_INO_T lastino;
 128
 129                 if (lastino != ino) {
 130                         slprintf(cmd, sizeof(cmd),
 131                                  "egrep POSIX.*%u /proc/locks", (int)ino);
 132                         system(cmd);
 133                 }
 134                 lastino = ino;
 135         }
 136 #endif
 137
 138         printf("%s   %05x:%05x    %s  %.0f:%.0f(%.0f)\n",
 139                procid_str_static(&pid), (int)dev, (int)ino,
 140                lock_type==READ_LOCK?"R":"W",
 141                (double)start, (double)start+size-1,(double)size);
 142
 143 }
 144
 145
 146 static void show_locks(void)
 147 {
 148         brl_forall(print_brl);
 149         /* system("cat /proc/locks"); */
 150 }
 151
 152
 153 /*****************************************************
 154 return a connection to a server
 155 *******************************************************/
 156 static struct cli_state *connect_one(char *share, int snum)
 157 {
 158         struct cli_state *c;
 159         struct nmb_name called, calling;
 160         char *server_n;
 161         fstring server;
 162         struct in_addr ip;
 163         fstring myname;
 164         static int count;
 165
 166         fstrcpy(server,share+2);
 167         share = strchr_m(server,'\\');
 168         if (!share) return NULL;
 169         *share = 0;
 170         share++;
 171
 172         server_n = server;
 173
 174         zero_ip(&ip);
 175
 176         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
 177
 178         make_nmb_name(&calling, myname, 0x0);
 179         make_nmb_name(&called , server, 0x20);
 180
 181  again:
 182         zero_ip(&ip);
 183
 184         /* have to open a new connection */
 185         if (!(c=cli_initialise()) || !cli_connect(c, server_n, &ip)) {
 186                 DEBUG(0,("Connection to %s failed\n", server_n));
 187                 return NULL;
 188         }
 189
 190         c->use_kerberos = use_kerberos;
 191
 192         if (!cli_session_request(c, &calling, &called)) {
 193                 DEBUG(0,("session request to %s failed\n", called.name));
 194                 cli_shutdown(c);
 195                 if (strcmp(called.name, "*SMBSERVER")) {
 196                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 197                         goto again;
 198                 }
 199                 return NULL;
 200         }
 201
 202         DEBUG(4,(" session request ok\n"));
 203
 204         if (!cli_negprot(c)) {
 205                 DEBUG(0,("protocol negotiation failed\n"));
 206                 cli_shutdown(c);
 207                 return NULL;
 208         }
 209
 210         if (!got_pass) {
 211                 char *pass = getpass("Password: ");
 212                 if (pass) {
 213                         fstrcpy(password[0], pass);
 214                         fstrcpy(password[1], pass);
 215                 }
 216         }
 217
 218         if (got_pass == 1) {
 219                 fstrcpy(password[1], password[0]);
 220                 fstrcpy(username[1], username[0]);
 221         }
 222
 223         if (!cli_session_setup(c, username[snum],
 224                                password[snum], strlen(password[snum]),
 225                                password[snum], strlen(password[snum]),
 226                                lp_workgroup())) {
 227                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 228                 return NULL;
 229         }
 230
 231         /*
 232          * These next two lines are needed to emulate
 233          * old client behaviour for people who have
 234          * scripts based on client output.
 235          * QUESTION ? Do we want to have a 'client compatibility
 236          * mode to turn these on/off ? JRA.
 237          */
 238
 239         if (*c->server_domain || *c->server_os || *c->server_type)
 240                 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
 241                         c->server_domain,c->server_os,c->server_type));
 242
 243         DEBUG(4,(" session setup ok\n"));
 244
 245         if (!cli_send_tconX(c, share, "?????",
 246                             password[snum], strlen(password[snum])+1)) {
 247                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 248                 cli_shutdown(c);
 249                 return NULL;
 250         }
 251
 252         DEBUG(4,(" tconx ok\n"));
 253
 254         c->use_oplocks = use_oplocks;
 255
 256         return c;
 257 }
 258
 259
 260 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
 261                       char *share[NSERVERS])
 262 {
 263         int server, conn, f;
 264
 265         for (server=0;server<NSERVERS;server++)
 266         for (conn=0;conn<NCONNECTIONS;conn++) {
 267                 if (cli[server][conn]) {
 268                         for (f=0;f<NFILES;f++) {
 269                                 if (fnum[server][conn][f] != -1) {
 270                                         cli_close(cli[server][conn], fnum[server][conn][f]);
 271                                         fnum[server][conn][f] = -1;
 272                                 }
 273                         }
 274                         cli_ulogoff(cli[server][conn]);
 275                         cli_shutdown(cli[server][conn]);
 276                 }
 277                 cli[server][conn] = connect_one(share[server], server);
 278                 if (!cli[server][conn]) {
 279                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 280                         exit(1);
 281                 }
 282         }
 283 }
 284
 285
 286
 287 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 288                      int fnum[NSERVERS][NCONNECTIONS][NFILES],
 289                      struct record *rec)
 290 {
 291         unsigned conn = rec->conn;
 292         unsigned f = rec->f;
 293         SMB_BIG_UINT start = rec->start;
 294         SMB_BIG_UINT len = rec->len;
 295         enum brl_type op = rec->lock_type;
 296         int server;
 297         BOOL ret[NSERVERS];
 298         NTSTATUS status[NSERVERS];
 299
 300         switch (rec->lock_op) {
 301         case OP_LOCK:
 302                 /* set a lock */
 303                 for (server=0;server<NSERVERS;server++) {
 304                         ret[server] = cli_lock64(cli[server][conn],
 305                                                  fnum[server][conn][f],
 306                                                  start, len, LOCK_TIMEOUT, op);
 307                         status[server] = cli_nt_error(cli[server][conn]);
 308                         if (!exact_error_codes &&
 309                             NT_STATUS_EQUAL(status[server],
 310                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 311                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 312                         }
 313                 }
 314                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 315                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 316                                conn, f,
 317                                (double)start, (double)len,
 318                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 319                                nt_errstr(status[0]), nt_errstr(status[1]));
 320                 }
 321                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 322                 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
 323                 break;
 324
 325         case OP_UNLOCK:
 326                 /* unset a lock */
 327                 for (server=0;server<NSERVERS;server++) {
 328                         ret[server] = cli_unlock64(cli[server][conn],
 329                                                    fnum[server][conn][f],
 330                                                    start, len);
 331                         status[server] = cli_nt_error(cli[server][conn]);
 332                 }
 333                 if (showall ||
 334                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 335                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 336                                conn, f,
 337                                (double)start, (double)len,
 338                                nt_errstr(status[0]), nt_errstr(status[1]));
 339                 }
 340                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 341                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 342                         return False;
 343                 break;
 344
 345         case OP_REOPEN:
 346                 /* reopen the file */
 347                 for (server=0;server<NSERVERS;server++) {
 348                         cli_close(cli[server][conn], fnum[server][conn][f]);
 349                         fnum[server][conn][f] = -1;
 350                 }
 351                 for (server=0;server<NSERVERS;server++) {
 352                         fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
 353                                                          O_RDWR|O_CREAT,
 354                                                          DENY_NONE);
 355                         if (fnum[server][conn][f] == -1) {
 356                                 printf("failed to reopen on share%d\n", server);
 357                                 return False;
 358                         }
 359                 }
 360                 if (showall) {
 361                         printf("reopen conn=%u f=%u\n",
 362                                conn, f);
 363                         show_locks();
 364                 }
 365                 break;
 366         }
 367
 368         return True;
 369 }
 370
 371 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 372                         int fnum[NSERVERS][NCONNECTIONS][NFILES])
 373 {
 374         int server, conn, f;
 375
 376         for (server=0;server<NSERVERS;server++)
 377         for (conn=0;conn<NCONNECTIONS;conn++)
 378         for (f=0;f<NFILES;f++) {
 379                 if (fnum[server][conn][f] != -1) {
 380                         cli_close(cli[server][conn], fnum[server][conn][f]);
 381                         fnum[server][conn][f] = -1;
 382                 }
 383         }
 384         for (server=0;server<NSERVERS;server++) {
 385                 cli_unlink(cli[server][0], FILENAME);
 386         }
 387 }
 388
 389 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 390                        int fnum[NSERVERS][NCONNECTIONS][NFILES])
 391 {
 392         int server, conn, f;
 393
 394         for (server=0;server<NSERVERS;server++)
 395         for (conn=0;conn<NCONNECTIONS;conn++)
 396         for (f=0;f<NFILES;f++) {
 397                 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
 398                                                  O_RDWR|O_CREAT,
 399                                                  DENY_NONE);
 400                 if (fnum[server][conn][f] == -1) {
 401                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 402                                 server, conn, f);
 403                         exit(1);
 404                 }
 405         }
 406 }
 407
 408
 409 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 410                    int fnum[NSERVERS][NCONNECTIONS][NFILES],
 411                    int n)
 412 {
 413         int i;
 414         printf("testing %u ...\n", n);
 415         for (i=0; i<n; i++) {
 416                 if (i && i % 100 == 0) {
 417                         printf("%u\n", i);
 418                 }
 419
 420                 if (recorded[i].needed &&
 421                     !test_one(cli, fnum, &recorded[i])) return i;
 422         }
 423         return n;
 424 }
 425
 426
 427 /* each server has two connections open to it. Each connection has two file
 428    descriptors open on the file - 8 file descriptors in total
 429
 430    we then do random locking ops in tamdem on the 4 fnums from each
 431    server and ensure that the results match
 432  */
 433 static void test_locks(char *share[NSERVERS])
 434 {
 435         struct cli_state *cli[NSERVERS][NCONNECTIONS];
 436         int fnum[NSERVERS][NCONNECTIONS][NFILES];
 437         int n, i, n1, skip, r1, r2;
 438
 439         ZERO_STRUCT(fnum);
 440         ZERO_STRUCT(cli);
 441
 442         recorded = SMB_MALLOC_ARRAY(struct record, numops);
 443
 444         for (n=0; n<numops; n++) {
 445 #if PRESETS
 446                 if (n < sizeof(preset) / sizeof(preset[0])) {
 447                         recorded[n] = preset[n];
 448                 } else {
 449 #endif
 450                         recorded[n].conn = random() % NCONNECTIONS;
 451                         recorded[n].f = random() % NFILES;
 452                         recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
 453                         recorded[n].len =  min_length +
 454                                 random() % (lock_range-(recorded[n].start-lock_base));
 455                         recorded[n].start *= RANGE_MULTIPLE;
 456                         recorded[n].len *= RANGE_MULTIPLE;
 457                         r1 = random() % 100;
 458                         r2 = random() % 100;
 459                         if (r1 < READ_PCT) {
 460                                 recorded[n].lock_type = READ_LOCK;
 461                         } else {
 462                                 recorded[n].lock_type = WRITE_LOCK;
 463                         }
 464                         if (r2 < LOCK_PCT) {
 465                                 recorded[n].lock_op = OP_LOCK;
 466                         } else if (r2 < UNLOCK_PCT) {
 467                                 recorded[n].lock_op = OP_UNLOCK;
 468                         } else {
 469                                 recorded[n].lock_op = OP_REOPEN;
 470                         }
 471                         recorded[n].needed = True;
 472                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 473                                 recorded[n].len = 1;
 474                         }
 475 #if PRESETS
 476                 }
 477 #endif
 478         }
 479
 480         reconnect(cli, fnum, share);
 481         open_files(cli, fnum);
 482         n = retest(cli, fnum, numops);
 483
 484         if (n == numops || !analyze) return;
 485         n++;
 486
 487         skip = n/2;
 488
 489         while (1) {
 490                 n1 = n;
 491
 492                 close_files(cli, fnum);
 493                 reconnect(cli, fnum, share);
 494                 open_files(cli, fnum);
 495
 496                 for (i=0;i<n-skip;i+=skip) {
 497                         int m, j;
 498                         printf("excluding %d-%d\n", i, i+skip-1);
 499                         for (j=i;j<i+skip;j++) {
 500                                 recorded[j].needed = False;
 501                         }
 502
 503                         close_files(cli, fnum);
 504                         open_files(cli, fnum);
 505
 506                         m = retest(cli, fnum, n);
 507                         if (m == n) {
 508                                 for (j=i;j<i+skip;j++) {
 509                                         recorded[j].needed = True;
 510                                 }
 511                         } else {
 512                                 if (i+(skip-1) < m) {
 513                                         memmove(&recorded[i], &recorded[i+skip],
 514                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 515                                 }
 516                                 n = m-(skip-1);
 517                                 i--;
 518                         }
 519                 }
 520
 521                 if (skip > 1) {
 522                         skip = skip/2;
 523                         printf("skip=%d\n", skip);
 524                         continue;
 525                 }
 526
 527                 if (n1 == n) break;
 528         }
 529
 530         close_files(cli, fnum);
 531         reconnect(cli, fnum, share);
 532         open_files(cli, fnum);
 533         showall = True;
 534         n1 = retest(cli, fnum, n);
 535         if (n1 != n-1) {
 536                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 537         }
 538         close_files(cli, fnum);
 539
 540         for (i=0;i<n;i++) {
 541                 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
 542                        lock_op_name(recorded[i].lock_op),
 543                        lock_op_type(recorded[i].lock_type),
 544                        recorded[i].conn,
 545                        recorded[i].f,
 546                        (double)recorded[i].start,
 547                        (double)recorded[i].len,
 548                        recorded[i].needed);
 549         }
 550 }
 551
 552
 553
 554 static void usage(void)
 555 {
 556         printf(
 557 "Usage:\n\
 558   locktest //server1/share1 //server2/share2 [options..]\n\
 559   options:\n\
 560         -U user%%pass        (may be specified twice)\n\
 561         -k               use kerberos\n\
 562         -s seed\n\
 563         -o numops\n\
 564         -u          hide unlock fails\n\
 565         -a          (show all ops)\n\
 566         -A          analyse for minimal ops\n\
 567         -O          use oplocks\n\
 568         -E          enable exact error code checking\n\
 569         -Z          enable the zero/zero lock\n\
 570         -R range    set lock range\n\
 571         -B base     set lock base\n\
 572         -M min      set min lock length\n\
 573 ");
 574 }
 575
 576 /****************************************************************************
 577   main program
 578 ****************************************************************************/
 579  int main(int argc,char *argv[])
 580 {
 581         char *share[NSERVERS];
 582         extern char *optarg;
 583         extern int optind;
 584         int opt;
 585         char *p;
 586         int seed, server;
 587
 588         setlinebuf(stdout);
 589
 590         load_case_tables();
 591
 592         dbf = x_stderr;
 593
 594         if (argc < 3 || argv[1][0] == '-') {
 595                 usage();
 596                 exit(1);
 597         }
 598
 599         setup_logging(argv[0],True);
 600
 601         for (server=0;server<NSERVERS;server++) {
 602                 share[server] = argv[1+server];
 603                 all_string_sub(share[server],"/","\\",0);
 604         }
 605
 606         argc -= NSERVERS;
 607         argv += NSERVERS;
 608
 609         lp_load(dyn_CONFIGFILE,True,False,False,True);
 610         load_interfaces();
 611
 612         if (getenv("USER")) {
 613                 fstrcpy(username[0],getenv("USER"));
 614                 fstrcpy(username[1],getenv("USER"));
 615         }
 616
 617         seed = time(NULL);
 618
 619         while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
 620                 switch (opt) {
 621                 case 'k':
 622 #ifdef HAVE_KRB5
 623                         use_kerberos = True;
 624 #else
 625                         d_printf("No kerberos support compiled in\n");
 626                         exit(1);
 627 #endif
 628                         break;
 629                 case 'U':
 630                         got_user = 1;
 631                         if (got_pass == 2) {
 632                                 d_printf("Max of 2 usernames\n");
 633                                 exit(1);
 634                         }
 635                         fstrcpy(username[got_pass],optarg);
 636                         p = strchr_m(username[got_pass],'%');
 637                         if (p) {
 638                                 *p = 0;
 639                                 fstrcpy(password[got_pass], p+1);
 640                                 got_pass++;
 641                         }
 642                         break;
 643                 case 'R':
 644                         lock_range = strtol(optarg, NULL, 0);
 645                         break;
 646                 case 'B':
 647                         lock_base = strtol(optarg, NULL, 0);
 648                         break;
 649                 case 'M':
 650                         min_length = strtol(optarg, NULL, 0);
 651                         break;
 652                 case 's':
 653                         seed = atoi(optarg);
 654                         break;
 655                 case 'u':
 656                         hide_unlock_fails = True;
 657                         break;
 658                 case 'o':
 659                         numops = atoi(optarg);
 660                         break;
 661                 case 'O':
 662                         use_oplocks = True;
 663                         break;
 664                 case 'a':
 665                         showall = True;
 666                         break;
 667                 case 'A':
 668                         analyze = True;
 669                         break;
 670                 case 'Z':
 671                         zero_zero = True;
 672                         break;
 673                 case 'E':
 674                         exact_error_codes = True;
 675                         break;
 676                 case 'h':
 677                         usage();
 678                         exit(1);
 679                 default:
 680                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 681                         exit(1);
 682                 }
 683         }
 684
 685         if(use_kerberos && !got_user) got_pass = True;
 686
 687         argc -= optind;
 688         argv += optind;
 689
 690         DEBUG(0,("seed=%u\n", seed));
 691         srandom(seed);
 692
 693         test_locks(share);
 694
 695         return(0);
 696 }