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 #include "system/filesys.h"
  22 #include "locking/proto.h"
  23
  24 static fstring password[2];
  25 static fstring username[2];
  26 static int got_user;
  27 static int got_pass;
  28 static bool use_kerberos;
  29 static int numops = 1000;
  30 static bool showall;
  31 static bool analyze;
  32 static bool hide_unlock_fails;
  33 static bool use_oplocks;
  34 static unsigned lock_range = 100;
  35 static unsigned lock_base = 0;
  36 static unsigned min_length = 0;
  37 static bool exact_error_codes;
  38 static bool zero_zero;
  39
  40 extern char *optarg;
  41 extern int optind;
  42
  43 #define FILENAME "\\locktest.dat"
  44
  45 #define READ_PCT 50
  46 #define LOCK_PCT 45
  47 #define UNLOCK_PCT 70
  48 #define RANGE_MULTIPLE 1
  49 #define NSERVERS 2
  50 #define NCONNECTIONS 2
  51 #define NFILES 2
  52 #define LOCK_TIMEOUT 0
  53
  54 #define NASTY_POSIX_LOCK_HACK 0
  55
  56 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  57
  58 static const char *lock_op_type(int op)
  59 {
  60         if (op == WRITE_LOCK) return "write";
  61         else if (op == READ_LOCK) return "read";
  62         else return "other";
  63 }
  64
  65 static const char *lock_op_name(enum lock_op op)
  66 {
  67         if (op == OP_LOCK) return "lock";
  68         else if (op == OP_UNLOCK) return "unlock";
  69         else return "reopen";
  70 }
  71
  72 struct record {
  73         enum lock_op lock_op;
  74         enum brl_type lock_type;
  75         char conn, f;
  76         uint64_t start, len;
  77         char needed;
  78 };
  79
  80 #define PRESETS 0
  81
  82 #if PRESETS
  83 static struct record preset[] = {
  84 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  85 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  86 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  87 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  88 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  89
  90 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  91 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  92 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  93 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  94
  95 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  96 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  97 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  98 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  99
 100 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
 101 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
 102 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 103 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 104
 105 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 106 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
 107 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 108 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 109
 110 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 111 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
 112 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 113 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 114
 115 };
 116 #endif
 117
 118 static struct record *recorded;
 119
 120 static void print_brl(struct file_id id,
 121                         struct server_id pid,
 122                         enum brl_type lock_type,
 123                         enum brl_flavour lock_flav,
 124                         br_off start,
 125                         br_off size,
 126                         void *private_data)
 127 {
 128 #if NASTY_POSIX_LOCK_HACK
 129         {
 130                 static SMB_INO_T lastino;
 131
 132                 if (lastino != ino) {
 133                         char *cmd;
 134                         if (asprintf(&cmd,
 135                                  "egrep POSIX.*%u /proc/locks", (int)ino) > 0) {
 136                                 system(cmd);
 137                                 SAFE_FREE(cmd);
 138                         }
 139                 }
 140                 lastino = ino;
 141         }
 142 #endif
 143
 144         printf("%s   %s    %s  %.0f:%.0f(%.0f)\n",
 145                procid_str_static(&pid), file_id_string_tos(&id),
 146                lock_type==READ_LOCK?"R":"W",
 147                (double)start, (double)start+size-1,(double)size);
 148
 149 }
 150
 151
 152 static void show_locks(void)
 153 {
 154         brl_forall(print_brl, NULL);
 155         /* system("cat /proc/locks"); */
 156 }
 157
 158
 159 /*****************************************************
 160 return a connection to a server
 161 *******************************************************/
 162 static struct cli_state *connect_one(char *share, int snum)
 163 {
 164         struct cli_state *c;
 165         struct nmb_name called, calling;
 166         char *server_n;
 167         fstring server;
 168         struct sockaddr_storage ss;
 169         fstring myname;
 170         static int count;
 171         NTSTATUS status;
 172
 173         fstrcpy(server,share+2);
 174         share = strchr_m(server,'\\');
 175         if (!share) return NULL;
 176         *share = 0;
 177         share++;
 178
 179         server_n = server;
 180
 181         zero_sockaddr(&ss);
 182
 183         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
 184
 185         make_nmb_name(&calling, myname, 0x0);
 186         make_nmb_name(&called , server, 0x20);
 187
 188  again:
 189         zero_sockaddr(&ss);
 190
 191         /* have to open a new connection */
 192         if (!(c=cli_initialise())) {
 193                 DEBUG(0,("Connection to %s failed\n", server_n));
 194                 return NULL;
 195         }
 196
 197         status = cli_connect(c, server_n, &ss);
 198         if (!NT_STATUS_IS_OK(status)) {
 199                 DEBUG(0,("Connection to %s failed. Error %s\n", server_n, nt_errstr(status) ));
 200                 return NULL;
 201         }
 202
 203         c->use_kerberos = use_kerberos;
 204
 205         if (!cli_session_request(c, &calling, &called)) {
 206                 DEBUG(0,("session request to %s failed\n", called.name));
 207                 cli_shutdown(c);
 208                 if (strcmp(called.name, "*SMBSERVER")) {
 209                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 210                         goto again;
 211                 }
 212                 return NULL;
 213         }
 214
 215         DEBUG(4,(" session request ok\n"));
 216
 217         status = cli_negprot(c);
 218         if (!NT_STATUS_IS_OK(status)) {
 219                 DEBUG(0, ("protocol negotiation failed: %s\n",
 220                           nt_errstr(status)));
 221                 cli_shutdown(c);
 222                 return NULL;
 223         }
 224
 225         if (!got_pass) {
 226                 char *pass = getpass("Password: ");
 227                 if (pass) {
 228                         fstrcpy(password[0], pass);
 229                         fstrcpy(password[1], pass);
 230                 }
 231         }
 232
 233         if (got_pass == 1) {
 234                 fstrcpy(password[1], password[0]);
 235                 fstrcpy(username[1], username[0]);
 236         }
 237
 238         status = cli_session_setup(c, username[snum],
 239                                    password[snum], strlen(password[snum]),
 240                                    password[snum], strlen(password[snum]),
 241                                    lp_workgroup());
 242         if (!NT_STATUS_IS_OK(status)) {
 243                 DEBUG(0,("session setup failed: %s\n", nt_errstr(status)));
 244                 return NULL;
 245         }
 246
 247         /*
 248          * These next two lines are needed to emulate
 249          * old client behaviour for people who have
 250          * scripts based on client output.
 251          * QUESTION ? Do we want to have a 'client compatibility
 252          * mode to turn these on/off ? JRA.
 253          */
 254
 255         if (*c->server_domain || *c->server_os || *c->server_type)
 256                 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
 257                         c->server_domain,c->server_os,c->server_type));
 258
 259         DEBUG(4,(" session setup ok\n"));
 260
 261         status = cli_tcon_andx(c, share, "?????", password[snum],
 262                                strlen(password[snum])+1);
 263         if (!NT_STATUS_IS_OK(status)) {
 264                 DEBUG(0,("tree connect failed: %s\n", nt_errstr(status)));
 265                 cli_shutdown(c);
 266                 return NULL;
 267         }
 268
 269         DEBUG(4,(" tconx ok\n"));
 270
 271         c->use_oplocks = use_oplocks;
 272
 273         return c;
 274 }
 275
 276
 277 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 278                       char *share[NSERVERS])
 279 {
 280         int server, conn, f;
 281
 282         for (server=0;server<NSERVERS;server++)
 283         for (conn=0;conn<NCONNECTIONS;conn++) {
 284                 if (cli[server][conn]) {
 285                         for (f=0;f<NFILES;f++) {
 286                                 if (fnum[server][conn][f] != (uint16_t)-1) {
 287                                         cli_close(cli[server][conn], fnum[server][conn][f]);
 288                                         fnum[server][conn][f] = (uint16_t)-1;
 289                                 }
 290                         }
 291                         cli_ulogoff(cli[server][conn]);
 292                         cli_shutdown(cli[server][conn]);
 293                 }
 294                 cli[server][conn] = connect_one(share[server], server);
 295                 if (!cli[server][conn]) {
 296                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 297                         exit(1);
 298                 }
 299         }
 300 }
 301
 302
 303
 304 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 305                      uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 306                      struct record *rec)
 307 {
 308         unsigned conn = rec->conn;
 309         unsigned f = rec->f;
 310         uint64_t start = rec->start;
 311         uint64_t len = rec->len;
 312         enum brl_type op = rec->lock_type;
 313         int server;
 314         bool ret[NSERVERS];
 315         NTSTATUS status[NSERVERS];
 316
 317         switch (rec->lock_op) {
 318         case OP_LOCK:
 319                 /* set a lock */
 320                 for (server=0;server<NSERVERS;server++) {
 321                         ret[server] = cli_lock64(cli[server][conn],
 322                                                  fnum[server][conn][f],
 323                                                  start, len, LOCK_TIMEOUT, op);
 324                         status[server] = cli_nt_error(cli[server][conn]);
 325                         if (!exact_error_codes &&
 326                             NT_STATUS_EQUAL(status[server],
 327                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 328                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 329                         }
 330                 }
 331                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 332                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 333                                conn, f,
 334                                (double)start, (double)len,
 335                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 336                                nt_errstr(status[0]), nt_errstr(status[1]));
 337                 }
 338                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 339                 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
 340                 break;
 341
 342         case OP_UNLOCK:
 343                 /* unset a lock */
 344                 for (server=0;server<NSERVERS;server++) {
 345                         ret[server] = NT_STATUS_IS_OK(cli_unlock64(cli[server][conn],
 346                                                    fnum[server][conn][f],
 347                                                    start, len));
 348                         status[server] = cli_nt_error(cli[server][conn]);
 349                 }
 350                 if (showall ||
 351                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 352                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 353                                conn, f,
 354                                (double)start, (double)len,
 355                                nt_errstr(status[0]), nt_errstr(status[1]));
 356                 }
 357                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 358                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 359                         return False;
 360                 break;
 361
 362         case OP_REOPEN:
 363                 /* reopen the file */
 364                 for (server=0;server<NSERVERS;server++) {
 365                         cli_close(cli[server][conn], fnum[server][conn][f]);
 366                         fnum[server][conn][f] = (uint16_t)-1;
 367                 }
 368                 for (server=0;server<NSERVERS;server++) {
 369                         fnum[server][conn][f] = (uint16_t)-1;
 370                         if (!NT_STATUS_IS_OK(cli_open(cli[server][conn], FILENAME,
 371                                                          O_RDWR|O_CREAT,
 372                                                          DENY_NONE, &fnum[server][conn][f]))) {
 373                                 printf("failed to reopen on share%d\n", server);
 374                                 return False;
 375                         }
 376                 }
 377                 if (showall) {
 378                         printf("reopen conn=%u f=%u\n",
 379                                conn, f);
 380                         show_locks();
 381                 }
 382                 break;
 383         }
 384
 385         return True;
 386 }
 387
 388 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 389                         uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
 390 {
 391         int server, conn, f;
 392
 393         for (server=0;server<NSERVERS;server++)
 394         for (conn=0;conn<NCONNECTIONS;conn++)
 395         for (f=0;f<NFILES;f++) {
 396                 if (fnum[server][conn][f] != (uint16_t)-1) {
 397                         cli_close(cli[server][conn], fnum[server][conn][f]);
 398                         fnum[server][conn][f] = (uint16_t)-1;
 399                 }
 400         }
 401         for (server=0;server<NSERVERS;server++) {
 402                 cli_unlink(cli[server][0], FILENAME, aSYSTEM | aHIDDEN);
 403         }
 404 }
 405
 406 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 407                        uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
 408 {
 409         int server, conn, f;
 410
 411         for (server=0;server<NSERVERS;server++)
 412         for (conn=0;conn<NCONNECTIONS;conn++)
 413         for (f=0;f<NFILES;f++) {
 414                 fnum[server][conn][f] = (uint16_t)-1;
 415                 if (!NT_STATUS_IS_OK(cli_open(cli[server][conn], FILENAME,
 416                                                  O_RDWR|O_CREAT,
 417                                                  DENY_NONE,
 418                                                  &fnum[server][conn][f]))) {
 419                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 420                                 server, conn, f);
 421                         exit(1);
 422                 }
 423         }
 424 }
 425
 426
 427 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 428                    uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 429                    int n)
 430 {
 431         int i;
 432         printf("testing %u ...\n", n);
 433         for (i=0; i<n; i++) {
 434                 if (i && i % 100 == 0) {
 435                         printf("%u\n", i);
 436                 }
 437
 438                 if (recorded[i].needed &&
 439                     !test_one(cli, fnum, &recorded[i])) return i;
 440         }
 441         return n;
 442 }
 443
 444
 445 /* each server has two connections open to it. Each connection has two file
 446    descriptors open on the file - 8 file descriptors in total
 447
 448    we then do random locking ops in tamdem on the 4 fnums from each
 449    server and ensure that the results match
 450  */
 451 static void test_locks(char *share[NSERVERS])
 452 {
 453         struct cli_state *cli[NSERVERS][NCONNECTIONS];
 454         uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES];
 455         int n, i, n1, skip, r1, r2;
 456
 457         ZERO_STRUCT(fnum);
 458         ZERO_STRUCT(cli);
 459
 460         recorded = SMB_MALLOC_ARRAY(struct record, numops);
 461
 462         for (n=0; n<numops; n++) {
 463 #if PRESETS
 464                 if (n < sizeof(preset) / sizeof(preset[0])) {
 465                         recorded[n] = preset[n];
 466                 } else {
 467 #endif
 468                         recorded[n].conn = random() % NCONNECTIONS;
 469                         recorded[n].f = random() % NFILES;
 470                         recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
 471                         recorded[n].len =  min_length +
 472                                 random() % (lock_range-(recorded[n].start-lock_base));
 473                         recorded[n].start *= RANGE_MULTIPLE;
 474                         recorded[n].len *= RANGE_MULTIPLE;
 475                         r1 = random() % 100;
 476                         r2 = random() % 100;
 477                         if (r1 < READ_PCT) {
 478                                 recorded[n].lock_type = READ_LOCK;
 479                         } else {
 480                                 recorded[n].lock_type = WRITE_LOCK;
 481                         }
 482                         if (r2 < LOCK_PCT) {
 483                                 recorded[n].lock_op = OP_LOCK;
 484                         } else if (r2 < UNLOCK_PCT) {
 485                                 recorded[n].lock_op = OP_UNLOCK;
 486                         } else {
 487                                 recorded[n].lock_op = OP_REOPEN;
 488                         }
 489                         recorded[n].needed = True;
 490                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 491                                 recorded[n].len = 1;
 492                         }
 493 #if PRESETS
 494                 }
 495 #endif
 496         }
 497
 498         reconnect(cli, fnum, share);
 499         open_files(cli, fnum);
 500         n = retest(cli, fnum, numops);
 501
 502         if (n == numops || !analyze) return;
 503         n++;
 504
 505         skip = n/2;
 506
 507         while (1) {
 508                 n1 = n;
 509
 510                 close_files(cli, fnum);
 511                 reconnect(cli, fnum, share);
 512                 open_files(cli, fnum);
 513
 514                 for (i=0;i<n-skip;i+=skip) {
 515                         int m, j;
 516                         printf("excluding %d-%d\n", i, i+skip-1);
 517                         for (j=i;j<i+skip;j++) {
 518                                 recorded[j].needed = False;
 519                         }
 520
 521                         close_files(cli, fnum);
 522                         open_files(cli, fnum);
 523
 524                         m = retest(cli, fnum, n);
 525                         if (m == n) {
 526                                 for (j=i;j<i+skip;j++) {
 527                                         recorded[j].needed = True;
 528                                 }
 529                         } else {
 530                                 if (i+(skip-1) < m) {
 531                                         memmove(&recorded[i], &recorded[i+skip],
 532                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 533                                 }
 534                                 n = m-(skip-1);
 535                                 i--;
 536                         }
 537                 }
 538
 539                 if (skip > 1) {
 540                         skip = skip/2;
 541                         printf("skip=%d\n", skip);
 542                         continue;
 543                 }
 544
 545                 if (n1 == n) break;
 546         }
 547
 548         close_files(cli, fnum);
 549         reconnect(cli, fnum, share);
 550         open_files(cli, fnum);
 551         showall = True;
 552         n1 = retest(cli, fnum, n);
 553         if (n1 != n-1) {
 554                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 555         }
 556         close_files(cli, fnum);
 557
 558         for (i=0;i<n;i++) {
 559                 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
 560                        lock_op_name(recorded[i].lock_op),
 561                        lock_op_type(recorded[i].lock_type),
 562                        recorded[i].conn,
 563                        recorded[i].f,
 564                        (double)recorded[i].start,
 565                        (double)recorded[i].len,
 566                        recorded[i].needed);
 567         }
 568 }
 569
 570
 571
 572 static void usage(void)
 573 {
 574         printf(
 575 "Usage:\n\
 576   locktest //server1/share1 //server2/share2 [options..]\n\
 577   options:\n\
 578         -U user%%pass        (may be specified twice)\n\
 579         -k               use kerberos\n\
 580         -s seed\n\
 581         -o numops\n\
 582         -u          hide unlock fails\n\
 583         -a          (show all ops)\n\
 584         -A          analyse for minimal ops\n\
 585         -O          use oplocks\n\
 586         -E          enable exact error code checking\n\
 587         -Z          enable the zero/zero lock\n\
 588         -R range    set lock range\n\
 589         -B base     set lock base\n\
 590         -M min      set min lock length\n\
 591 ");
 592 }
 593
 594 /****************************************************************************
 595   main program
 596 ****************************************************************************/
 597  int main(int argc,char *argv[])
 598 {
 599         char *share[NSERVERS];
 600         int opt;
 601         char *p;
 602         int seed, server;
 603
 604         setlinebuf(stdout);
 605
 606         load_case_tables();
 607
 608         if (argc < 3 || argv[1][0] == '-') {
 609                 usage();
 610                 exit(1);
 611         }
 612
 613         setup_logging(argv[0], DEBUG_STDOUT);
 614
 615         for (server=0;server<NSERVERS;server++) {
 616                 share[server] = argv[1+server];
 617                 all_string_sub(share[server],"/","\\",0);
 618         }
 619
 620         argc -= NSERVERS;
 621         argv += NSERVERS;
 622
 623         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 624         load_interfaces();
 625
 626         if (getenv("USER")) {
 627                 fstrcpy(username[0],getenv("USER"));
 628                 fstrcpy(username[1],getenv("USER"));
 629         }
 630
 631         seed = time(NULL);
 632
 633         while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
 634                 switch (opt) {
 635                 case 'k':
 636 #ifdef HAVE_KRB5
 637                         use_kerberos = True;
 638 #else
 639                         d_printf("No kerberos support compiled in\n");
 640                         exit(1);
 641 #endif
 642                         break;
 643                 case 'U':
 644                         got_user = 1;
 645                         if (got_pass == 2) {
 646                                 d_printf("Max of 2 usernames\n");
 647                                 exit(1);
 648                         }
 649                         fstrcpy(username[got_pass],optarg);
 650                         p = strchr_m(username[got_pass],'%');
 651                         if (p) {
 652                                 *p = 0;
 653                                 fstrcpy(password[got_pass], p+1);
 654                                 got_pass++;
 655                         }
 656                         break;
 657                 case 'R':
 658                         lock_range = strtol(optarg, NULL, 0);
 659                         break;
 660                 case 'B':
 661                         lock_base = strtol(optarg, NULL, 0);
 662                         break;
 663                 case 'M':
 664                         min_length = strtol(optarg, NULL, 0);
 665                         break;
 666                 case 's':
 667                         seed = atoi(optarg);
 668                         break;
 669                 case 'u':
 670                         hide_unlock_fails = True;
 671                         break;
 672                 case 'o':
 673                         numops = atoi(optarg);
 674                         break;
 675                 case 'O':
 676                         use_oplocks = True;
 677                         break;
 678                 case 'a':
 679                         showall = True;
 680                         break;
 681                 case 'A':
 682                         analyze = True;
 683                         break;
 684                 case 'Z':
 685                         zero_zero = True;
 686                         break;
 687                 case 'E':
 688                         exact_error_codes = True;
 689                         break;
 690                 case 'h':
 691                         usage();
 692                         exit(1);
 693                 default:
 694                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 695                         exit(1);
 696                 }
 697         }
 698
 699         if(use_kerberos && !got_user) got_pass = True;
 700
 701         argc -= optind;
 702         argv += optind;
 703
 704         DEBUG(0,("seed=%u\n", seed));
 705         srandom(seed);
 706
 707         test_locks(share);
 708
 709         return(0);
 710 }