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 3 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, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21
  22 static fstring password[2];
  23 static fstring username[2];
  24 static int got_user;
  25 static int got_pass;
  26 static BOOL use_kerberos;
  27 static int numops = 1000;
  28 static BOOL showall;
  29 static BOOL analyze;
  30 static BOOL hide_unlock_fails;
  31 static BOOL use_oplocks;
  32 static unsigned lock_range = 100;
  33 static unsigned lock_base = 0;
  34 static unsigned min_length = 0;
  35 static BOOL exact_error_codes;
  36 static BOOL zero_zero;
  37
  38 extern char *optarg;
  39 extern int optind;
  40
  41 #define FILENAME "\\locktest.dat"
  42
  43 #define READ_PCT 50
  44 #define LOCK_PCT 45
  45 #define UNLOCK_PCT 70
  46 #define RANGE_MULTIPLE 1
  47 #define NSERVERS 2
  48 #define NCONNECTIONS 2
  49 #define NFILES 2
  50 #define LOCK_TIMEOUT 0
  51
  52 #define NASTY_POSIX_LOCK_HACK 0
  53
  54 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  55
  56 static const char *lock_op_type(int op)
  57 {
  58         if (op == WRITE_LOCK) return "write";
  59         else if (op == READ_LOCK) return "read";
  60         else return "other";
  61 }
  62
  63 static const char *lock_op_name(enum lock_op op)
  64 {
  65         if (op == OP_LOCK) return "lock";
  66         else if (op == OP_UNLOCK) return "unlock";
  67         else return "reopen";
  68 }
  69
  70 struct record {
  71         enum lock_op lock_op;
  72         enum brl_type lock_type;
  73         char conn, f;
  74         SMB_BIG_UINT start, len;
  75         char needed;
  76 };
  77
  78 #define PRESETS 0
  79
  80 #if PRESETS
  81 static struct record preset[] = {
  82 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  83 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  84 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  85 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  86 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  87
  88 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  89 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  90 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  91 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  92
  93 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  94 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  95 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  96 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  97
  98 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  99 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
 100 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 101 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 102
 103 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 104 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
 105 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 106 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 107
 108 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 109 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
 110 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 111 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 112
 113 };
 114 #endif
 115
 116 static struct record *recorded;
 117
 118 static void print_brl(struct file_id id,
 119                         struct server_id pid,
 120                         enum brl_type lock_type,
 121                         enum brl_flavour lock_flav,
 122                         br_off start,
 123                         br_off size,
 124                         void *private_data)
 125 {
 126 #if NASTY_POSIX_LOCK_HACK
 127         {
 128                 pstring cmd;
 129                 static SMB_INO_T lastino;
 130
 131                 if (lastino != ino) {
 132                         slprintf(cmd, sizeof(cmd),
 133                                  "egrep POSIX.*%u /proc/locks", (int)ino);
 134                         system(cmd);
 135                 }
 136                 lastino = ino;
 137         }
 138 #endif
 139
 140         printf("%s   %s    %s  %.0f:%.0f(%.0f)\n",
 141                procid_str_static(&pid), file_id_string_tos(&id),
 142                lock_type==READ_LOCK?"R":"W",
 143                (double)start, (double)start+size-1,(double)size);
 144
 145 }
 146
 147
 148 static void show_locks(void)
 149 {
 150         brl_forall(print_brl, NULL);
 151         /* system("cat /proc/locks"); */
 152 }
 153
 154
 155 /*****************************************************
 156 return a connection to a server
 157 *******************************************************/
 158 static struct cli_state *connect_one(char *share, int snum)
 159 {
 160         struct cli_state *c;
 161         struct nmb_name called, calling;
 162         char *server_n;
 163         fstring server;
 164         struct in_addr ip;
 165         fstring myname;
 166         static int count;
 167         NTSTATUS status;
 168
 169         fstrcpy(server,share+2);
 170         share = strchr_m(server,'\\');
 171         if (!share) return NULL;
 172         *share = 0;
 173         share++;
 174
 175         server_n = server;
 176
 177         zero_ip(&ip);
 178
 179         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
 180
 181         make_nmb_name(&calling, myname, 0x0);
 182         make_nmb_name(&called , server, 0x20);
 183
 184  again:
 185         zero_ip(&ip);
 186
 187         /* have to open a new connection */
 188         if (!(c=cli_initialise())) {
 189                 DEBUG(0,("Connection to %s failed\n", server_n));
 190                 return NULL;
 191         }
 192
 193         status = cli_connect(c, server_n, &ip);
 194         if (!NT_STATUS_IS_OK(status)) {
 195                 DEBUG(0,("Connection to %s failed. Error %s\n", server_n, nt_errstr(status) ));
 196                 return NULL;
 197         }
 198
 199         c->use_kerberos = use_kerberos;
 200
 201         if (!cli_session_request(c, &calling, &called)) {
 202                 DEBUG(0,("session request to %s failed\n", called.name));
 203                 cli_shutdown(c);
 204                 if (strcmp(called.name, "*SMBSERVER")) {
 205                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 206                         goto again;
 207                 }
 208                 return NULL;
 209         }
 210
 211         DEBUG(4,(" session request ok\n"));
 212
 213         if (!cli_negprot(c)) {
 214                 DEBUG(0,("protocol negotiation failed\n"));
 215                 cli_shutdown(c);
 216                 return NULL;
 217         }
 218
 219         if (!got_pass) {
 220                 char *pass = getpass("Password: ");
 221                 if (pass) {
 222                         fstrcpy(password[0], pass);
 223                         fstrcpy(password[1], pass);
 224                 }
 225         }
 226
 227         if (got_pass == 1) {
 228                 fstrcpy(password[1], password[0]);
 229                 fstrcpy(username[1], username[0]);
 230         }
 231
 232         if (!NT_STATUS_IS_OK(cli_session_setup(c, username[snum],
 233                                                password[snum],
 234                                                strlen(password[snum]),
 235                                                password[snum],
 236                                                strlen(password[snum]),
 237                                                lp_workgroup()))) {
 238                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 239                 return NULL;
 240         }
 241
 242         /*
 243          * These next two lines are needed to emulate
 244          * old client behaviour for people who have
 245          * scripts based on client output.
 246          * QUESTION ? Do we want to have a 'client compatibility
 247          * mode to turn these on/off ? JRA.
 248          */
 249
 250         if (*c->server_domain || *c->server_os || *c->server_type)
 251                 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
 252                         c->server_domain,c->server_os,c->server_type));
 253
 254         DEBUG(4,(" session setup ok\n"));
 255
 256         if (!cli_send_tconX(c, share, "?????",
 257                             password[snum], strlen(password[snum])+1)) {
 258                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 259                 cli_shutdown(c);
 260                 return NULL;
 261         }
 262
 263         DEBUG(4,(" tconx ok\n"));
 264
 265         c->use_oplocks = use_oplocks;
 266
 267         return c;
 268 }
 269
 270
 271 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
 272                       char *share[NSERVERS])
 273 {
 274         int server, conn, f;
 275
 276         for (server=0;server<NSERVERS;server++)
 277         for (conn=0;conn<NCONNECTIONS;conn++) {
 278                 if (cli[server][conn]) {
 279                         for (f=0;f<NFILES;f++) {
 280                                 if (fnum[server][conn][f] != -1) {
 281                                         cli_close(cli[server][conn], fnum[server][conn][f]);
 282                                         fnum[server][conn][f] = -1;
 283                                 }
 284                         }
 285                         cli_ulogoff(cli[server][conn]);
 286                         cli_shutdown(cli[server][conn]);
 287                 }
 288                 cli[server][conn] = connect_one(share[server], server);
 289                 if (!cli[server][conn]) {
 290                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 291                         exit(1);
 292                 }
 293         }
 294 }
 295
 296
 297
 298 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 299                      int fnum[NSERVERS][NCONNECTIONS][NFILES],
 300                      struct record *rec)
 301 {
 302         unsigned conn = rec->conn;
 303         unsigned f = rec->f;
 304         SMB_BIG_UINT start = rec->start;
 305         SMB_BIG_UINT len = rec->len;
 306         enum brl_type op = rec->lock_type;
 307         int server;
 308         BOOL ret[NSERVERS];
 309         NTSTATUS status[NSERVERS];
 310
 311         switch (rec->lock_op) {
 312         case OP_LOCK:
 313                 /* set a lock */
 314                 for (server=0;server<NSERVERS;server++) {
 315                         ret[server] = cli_lock64(cli[server][conn],
 316                                                  fnum[server][conn][f],
 317                                                  start, len, LOCK_TIMEOUT, op);
 318                         status[server] = cli_nt_error(cli[server][conn]);
 319                         if (!exact_error_codes &&
 320                             NT_STATUS_EQUAL(status[server],
 321                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 322                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 323                         }
 324                 }
 325                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 326                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 327                                conn, f,
 328                                (double)start, (double)len,
 329                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 330                                nt_errstr(status[0]), nt_errstr(status[1]));
 331                 }
 332                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 333                 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
 334                 break;
 335
 336         case OP_UNLOCK:
 337                 /* unset a lock */
 338                 for (server=0;server<NSERVERS;server++) {
 339                         ret[server] = cli_unlock64(cli[server][conn],
 340                                                    fnum[server][conn][f],
 341                                                    start, len);
 342                         status[server] = cli_nt_error(cli[server][conn]);
 343                 }
 344                 if (showall ||
 345                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 346                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 347                                conn, f,
 348                                (double)start, (double)len,
 349                                nt_errstr(status[0]), nt_errstr(status[1]));
 350                 }
 351                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 352                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 353                         return False;
 354                 break;
 355
 356         case OP_REOPEN:
 357                 /* reopen the file */
 358                 for (server=0;server<NSERVERS;server++) {
 359                         cli_close(cli[server][conn], fnum[server][conn][f]);
 360                         fnum[server][conn][f] = -1;
 361                 }
 362                 for (server=0;server<NSERVERS;server++) {
 363                         fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
 364                                                          O_RDWR|O_CREAT,
 365                                                          DENY_NONE);
 366                         if (fnum[server][conn][f] == -1) {
 367                                 printf("failed to reopen on share%d\n", server);
 368                                 return False;
 369                         }
 370                 }
 371                 if (showall) {
 372                         printf("reopen conn=%u f=%u\n",
 373                                conn, f);
 374                         show_locks();
 375                 }
 376                 break;
 377         }
 378
 379         return True;
 380 }
 381
 382 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 383                         int fnum[NSERVERS][NCONNECTIONS][NFILES])
 384 {
 385         int server, conn, f;
 386
 387         for (server=0;server<NSERVERS;server++)
 388         for (conn=0;conn<NCONNECTIONS;conn++)
 389         for (f=0;f<NFILES;f++) {
 390                 if (fnum[server][conn][f] != -1) {
 391                         cli_close(cli[server][conn], fnum[server][conn][f]);
 392                         fnum[server][conn][f] = -1;
 393                 }
 394         }
 395         for (server=0;server<NSERVERS;server++) {
 396                 cli_unlink(cli[server][0], FILENAME);
 397         }
 398 }
 399
 400 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 401                        int fnum[NSERVERS][NCONNECTIONS][NFILES])
 402 {
 403         int server, conn, f;
 404
 405         for (server=0;server<NSERVERS;server++)
 406         for (conn=0;conn<NCONNECTIONS;conn++)
 407         for (f=0;f<NFILES;f++) {
 408                 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
 409                                                  O_RDWR|O_CREAT,
 410                                                  DENY_NONE);
 411                 if (fnum[server][conn][f] == -1) {
 412                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 413                                 server, conn, f);
 414                         exit(1);
 415                 }
 416         }
 417 }
 418
 419
 420 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 421                    int fnum[NSERVERS][NCONNECTIONS][NFILES],
 422                    int n)
 423 {
 424         int i;
 425         printf("testing %u ...\n", n);
 426         for (i=0; i<n; i++) {
 427                 if (i && i % 100 == 0) {
 428                         printf("%u\n", i);
 429                 }
 430
 431                 if (recorded[i].needed &&
 432                     !test_one(cli, fnum, &recorded[i])) return i;
 433         }
 434         return n;
 435 }
 436
 437
 438 /* each server has two connections open to it. Each connection has two file
 439    descriptors open on the file - 8 file descriptors in total
 440
 441    we then do random locking ops in tamdem on the 4 fnums from each
 442    server and ensure that the results match
 443  */
 444 static void test_locks(char *share[NSERVERS])
 445 {
 446         struct cli_state *cli[NSERVERS][NCONNECTIONS];
 447         int fnum[NSERVERS][NCONNECTIONS][NFILES];
 448         int n, i, n1, skip, r1, r2;
 449
 450         ZERO_STRUCT(fnum);
 451         ZERO_STRUCT(cli);
 452
 453         recorded = SMB_MALLOC_ARRAY(struct record, numops);
 454
 455         for (n=0; n<numops; n++) {
 456 #if PRESETS
 457                 if (n < sizeof(preset) / sizeof(preset[0])) {
 458                         recorded[n] = preset[n];
 459                 } else {
 460 #endif
 461                         recorded[n].conn = random() % NCONNECTIONS;
 462                         recorded[n].f = random() % NFILES;
 463                         recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
 464                         recorded[n].len =  min_length +
 465                                 random() % (lock_range-(recorded[n].start-lock_base));
 466                         recorded[n].start *= RANGE_MULTIPLE;
 467                         recorded[n].len *= RANGE_MULTIPLE;
 468                         r1 = random() % 100;
 469                         r2 = random() % 100;
 470                         if (r1 < READ_PCT) {
 471                                 recorded[n].lock_type = READ_LOCK;
 472                         } else {
 473                                 recorded[n].lock_type = WRITE_LOCK;
 474                         }
 475                         if (r2 < LOCK_PCT) {
 476                                 recorded[n].lock_op = OP_LOCK;
 477                         } else if (r2 < UNLOCK_PCT) {
 478                                 recorded[n].lock_op = OP_UNLOCK;
 479                         } else {
 480                                 recorded[n].lock_op = OP_REOPEN;
 481                         }
 482                         recorded[n].needed = True;
 483                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 484                                 recorded[n].len = 1;
 485                         }
 486 #if PRESETS
 487                 }
 488 #endif
 489         }
 490
 491         reconnect(cli, fnum, share);
 492         open_files(cli, fnum);
 493         n = retest(cli, fnum, numops);
 494
 495         if (n == numops || !analyze) return;
 496         n++;
 497
 498         skip = n/2;
 499
 500         while (1) {
 501                 n1 = n;
 502
 503                 close_files(cli, fnum);
 504                 reconnect(cli, fnum, share);
 505                 open_files(cli, fnum);
 506
 507                 for (i=0;i<n-skip;i+=skip) {
 508                         int m, j;
 509                         printf("excluding %d-%d\n", i, i+skip-1);
 510                         for (j=i;j<i+skip;j++) {
 511                                 recorded[j].needed = False;
 512                         }
 513
 514                         close_files(cli, fnum);
 515                         open_files(cli, fnum);
 516
 517                         m = retest(cli, fnum, n);
 518                         if (m == n) {
 519                                 for (j=i;j<i+skip;j++) {
 520                                         recorded[j].needed = True;
 521                                 }
 522                         } else {
 523                                 if (i+(skip-1) < m) {
 524                                         memmove(&recorded[i], &recorded[i+skip],
 525                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 526                                 }
 527                                 n = m-(skip-1);
 528                                 i--;
 529                         }
 530                 }
 531
 532                 if (skip > 1) {
 533                         skip = skip/2;
 534                         printf("skip=%d\n", skip);
 535                         continue;
 536                 }
 537
 538                 if (n1 == n) break;
 539         }
 540
 541         close_files(cli, fnum);
 542         reconnect(cli, fnum, share);
 543         open_files(cli, fnum);
 544         showall = True;
 545         n1 = retest(cli, fnum, n);
 546         if (n1 != n-1) {
 547                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 548         }
 549         close_files(cli, fnum);
 550
 551         for (i=0;i<n;i++) {
 552                 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
 553                        lock_op_name(recorded[i].lock_op),
 554                        lock_op_type(recorded[i].lock_type),
 555                        recorded[i].conn,
 556                        recorded[i].f,
 557                        (double)recorded[i].start,
 558                        (double)recorded[i].len,
 559                        recorded[i].needed);
 560         }
 561 }
 562
 563
 564
 565 static void usage(void)
 566 {
 567         printf(
 568 "Usage:\n\
 569   locktest //server1/share1 //server2/share2 [options..]\n\
 570   options:\n\
 571         -U user%%pass        (may be specified twice)\n\
 572         -k               use kerberos\n\
 573         -s seed\n\
 574         -o numops\n\
 575         -u          hide unlock fails\n\
 576         -a          (show all ops)\n\
 577         -A          analyse for minimal ops\n\
 578         -O          use oplocks\n\
 579         -E          enable exact error code checking\n\
 580         -Z          enable the zero/zero lock\n\
 581         -R range    set lock range\n\
 582         -B base     set lock base\n\
 583         -M min      set min lock length\n\
 584 ");
 585 }
 586
 587 /****************************************************************************
 588   main program
 589 ****************************************************************************/
 590  int main(int argc,char *argv[])
 591 {
 592         char *share[NSERVERS];
 593         int opt;
 594         char *p;
 595         int seed, server;
 596
 597         setlinebuf(stdout);
 598
 599         load_case_tables();
 600
 601         dbf = x_stderr;
 602
 603         if (argc < 3 || argv[1][0] == '-') {
 604                 usage();
 605                 exit(1);
 606         }
 607
 608         setup_logging(argv[0],True);
 609
 610         for (server=0;server<NSERVERS;server++) {
 611                 share[server] = argv[1+server];
 612                 all_string_sub(share[server],"/","\\",0);
 613         }
 614
 615         argc -= NSERVERS;
 616         argv += NSERVERS;
 617
 618         lp_load(dyn_CONFIGFILE,True,False,False,True);
 619         load_interfaces();
 620
 621         if (getenv("USER")) {
 622                 fstrcpy(username[0],getenv("USER"));
 623                 fstrcpy(username[1],getenv("USER"));
 624         }
 625
 626         seed = time(NULL);
 627
 628         while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
 629                 switch (opt) {
 630                 case 'k':
 631 #ifdef HAVE_KRB5
 632                         use_kerberos = True;
 633 #else
 634                         d_printf("No kerberos support compiled in\n");
 635                         exit(1);
 636 #endif
 637                         break;
 638                 case 'U':
 639                         got_user = 1;
 640                         if (got_pass == 2) {
 641                                 d_printf("Max of 2 usernames\n");
 642                                 exit(1);
 643                         }
 644                         fstrcpy(username[got_pass],optarg);
 645                         p = strchr_m(username[got_pass],'%');
 646                         if (p) {
 647                                 *p = 0;
 648                                 fstrcpy(password[got_pass], p+1);
 649                                 got_pass++;
 650                         }
 651                         break;
 652                 case 'R':
 653                         lock_range = strtol(optarg, NULL, 0);
 654                         break;
 655                 case 'B':
 656                         lock_base = strtol(optarg, NULL, 0);
 657                         break;
 658                 case 'M':
 659                         min_length = strtol(optarg, NULL, 0);
 660                         break;
 661                 case 's':
 662                         seed = atoi(optarg);
 663                         break;
 664                 case 'u':
 665                         hide_unlock_fails = True;
 666                         break;
 667                 case 'o':
 668                         numops = atoi(optarg);
 669                         break;
 670                 case 'O':
 671                         use_oplocks = True;
 672                         break;
 673                 case 'a':
 674                         showall = True;
 675                         break;
 676                 case 'A':
 677                         analyze = True;
 678                         break;
 679                 case 'Z':
 680                         zero_zero = True;
 681                         break;
 682                 case 'E':
 683                         exact_error_codes = True;
 684                         break;
 685                 case 'h':
 686                         usage();
 687                         exit(1);
 688                 default:
 689                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 690                         exit(1);
 691                 }
 692         }
 693
 694         if(use_kerberos && !got_user) got_pass = True;
 695
 696         argc -= optind;
 697         argv += optind;
 698
 699         DEBUG(0,("seed=%u\n", seed));
 700         srandom(seed);
 701
 702         test_locks(share);
 703
 704         return(0);
 705 }