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 "libsmb/libsmb.h"
  22 #include "system/filesys.h"
  23 #include "locking/proto.h"
  24 #include "libsmb/nmblib.h"
  25
  26 static fstring password[2];
  27 static fstring username[2];
  28 static int got_user;
  29 static int got_pass;
  30 static bool use_kerberos;
  31 static int numops = 1000;
  32 static bool showall;
  33 static bool analyze;
  34 static bool hide_unlock_fails;
  35 static bool use_oplocks;
  36 static unsigned lock_range = 100;
  37 static unsigned lock_base = 0;
  38 static unsigned min_length = 0;
  39 static bool exact_error_codes;
  40 static bool zero_zero;
  41
  42 extern char *optarg;
  43 extern int optind;
  44
  45 #define FILENAME "\\locktest.dat"
  46
  47 #define READ_PCT 50
  48 #define LOCK_PCT 45
  49 #define UNLOCK_PCT 70
  50 #define RANGE_MULTIPLE 1
  51 #define NSERVERS 2
  52 #define NCONNECTIONS 2
  53 #define NFILES 2
  54 #define LOCK_TIMEOUT 0
  55
  56 #define NASTY_POSIX_LOCK_HACK 0
  57
  58 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  59
  60 static const char *lock_op_type(int op)
  61 {
  62         if (op == WRITE_LOCK) return "write";
  63         else if (op == READ_LOCK) return "read";
  64         else return "other";
  65 }
  66
  67 static const char *lock_op_name(enum lock_op op)
  68 {
  69         if (op == OP_LOCK) return "lock";
  70         else if (op == OP_UNLOCK) return "unlock";
  71         else return "reopen";
  72 }
  73
  74 struct record {
  75         enum lock_op lock_op;
  76         enum brl_type lock_type;
  77         char conn, f;
  78         uint64_t start, len;
  79         char needed;
  80 };
  81
  82 #define PRESETS 0
  83
  84 #if PRESETS
  85 static struct record preset[] = {
  86 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  87 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  88 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  89 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  90 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  91
  92 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  93 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  94 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  95 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  96
  97 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  98 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  99 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 100 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 101
 102 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
 103 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
 104 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 105 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 106
 107 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 108 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
 109 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 110 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 111
 112 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 113 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
 114 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 115 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 116
 117 };
 118 #endif
 119
 120 static struct record *recorded;
 121
 122 static void print_brl(struct file_id id,
 123                         struct server_id pid,
 124                         enum brl_type lock_type,
 125                         enum brl_flavour lock_flav,
 126                         br_off start,
 127                         br_off size,
 128                         void *private_data)
 129 {
 130 #if NASTY_POSIX_LOCK_HACK
 131         {
 132                 static SMB_INO_T lastino;
 133
 134                 if (lastino != ino) {
 135                         char *cmd;
 136                         if (asprintf(&cmd,
 137                                  "egrep POSIX.*%u /proc/locks", (int)ino) > 0) {
 138                                 system(cmd);
 139                                 SAFE_FREE(cmd);
 140                         }
 141                 }
 142                 lastino = ino;
 143         }
 144 #endif
 145
 146         printf("%s   %s    %s  %.0f:%.0f(%.0f)\n",
 147                procid_str_static(&pid), file_id_string_tos(&id),
 148                lock_type==READ_LOCK?"R":"W",
 149                (double)start, (double)start+size-1,(double)size);
 150
 151 }
 152
 153
 154 static void show_locks(void)
 155 {
 156         brl_forall(print_brl, NULL);
 157         /* system("cat /proc/locks"); */
 158 }
 159
 160
 161 /*****************************************************
 162 return a connection to a server
 163 *******************************************************/
 164 static struct cli_state *connect_one(char *share, int snum)
 165 {
 166         struct cli_state *c;
 167         char *server_n;
 168         fstring server;
 169         fstring myname;
 170         static int count;
 171         NTSTATUS status;
 172         int flags = 0;
 173
 174         fstrcpy(server,share+2);
 175         share = strchr_m(server,'\\');
 176         if (!share) return NULL;
 177         *share = 0;
 178         share++;
 179
 180         server_n = server;
 181
 182         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
 183
 184         /* have to open a new connection */
 185
 186         if (use_kerberos) {
 187                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 188         }
 189         if (use_oplocks) {
 190                 flags |= CLI_FULL_CONNECTION_OPLOCKS;
 191         }
 192
 193         status = cli_connect_nb(server_n, NULL, 0, 0x20, myname,
 194                                 SMB_SIGNING_DEFAULT, flags, &c);
 195         if (!NT_STATUS_IS_OK(status)) {
 196                 DEBUG(0, ("Connection to %s failed. Error %s\n", server_n,
 197                           nt_errstr(status)));
 198                 return NULL;
 199         }
 200
 201         status = cli_negprot(c, PROTOCOL_NT1);
 202         if (!NT_STATUS_IS_OK(status)) {
 203                 DEBUG(0, ("protocol negotiation failed: %s\n",
 204                           nt_errstr(status)));
 205                 cli_shutdown(c);
 206                 return NULL;
 207         }
 208
 209         if (!got_pass) {
 210                 char *pass = getpass("Password: ");
 211                 if (pass) {
 212                         fstrcpy(password[0], pass);
 213                         fstrcpy(password[1], pass);
 214                 }
 215         }
 216
 217         if (got_pass == 1) {
 218                 strlcpy(password[1], password[0],sizeof(password[1]));
 219                 strlcpy(username[1], username[0],sizeof(username[1]));
 220         }
 221
 222         status = cli_session_setup(c, username[snum],
 223                                    password[snum], strlen(password[snum]),
 224                                    password[snum], strlen(password[snum]),
 225                                    lp_workgroup());
 226         if (!NT_STATUS_IS_OK(status)) {
 227                 DEBUG(0,("session setup failed: %s\n", nt_errstr(status)));
 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         status = cli_tree_connect(c, share, "?????", password[snum],
 246                                   strlen(password[snum])+1);
 247         if (!NT_STATUS_IS_OK(status)) {
 248                 DEBUG(0,("tree connect failed: %s\n", nt_errstr(status)));
 249                 cli_shutdown(c);
 250                 return NULL;
 251         }
 252
 253         DEBUG(4,(" tconx ok\n"));
 254
 255         return c;
 256 }
 257
 258
 259 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 260                       char *share[NSERVERS])
 261 {
 262         int server, conn, f;
 263
 264         for (server=0;server<NSERVERS;server++)
 265         for (conn=0;conn<NCONNECTIONS;conn++) {
 266                 if (cli[server][conn]) {
 267                         for (f=0;f<NFILES;f++) {
 268                                 if (fnum[server][conn][f] != (uint16_t)-1) {
 269                                         cli_close(cli[server][conn], fnum[server][conn][f]);
 270                                         fnum[server][conn][f] = (uint16_t)-1;
 271                                 }
 272                         }
 273                         cli_ulogoff(cli[server][conn]);
 274                         cli_shutdown(cli[server][conn]);
 275                 }
 276                 cli[server][conn] = connect_one(share[server], server);
 277                 if (!cli[server][conn]) {
 278                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 279                         exit(1);
 280                 }
 281         }
 282 }
 283
 284
 285
 286 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 287                      uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 288                      struct record *rec)
 289 {
 290         unsigned conn = rec->conn;
 291         unsigned f = rec->f;
 292         uint64_t start = rec->start;
 293         uint64_t len = rec->len;
 294         enum brl_type op = rec->lock_type;
 295         int server;
 296         NTSTATUS status[NSERVERS];
 297
 298         switch (rec->lock_op) {
 299         case OP_LOCK:
 300                 /* set a lock */
 301                 for (server=0;server<NSERVERS;server++) {
 302                         status[server] = cli_lock64(cli[server][conn],
 303                                                     fnum[server][conn][f],
 304                                                     start, len, LOCK_TIMEOUT,
 305                                                     op);
 306                         if (!exact_error_codes &&
 307                             NT_STATUS_EQUAL(status[server],
 308                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 309                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 310                         }
 311                 }
 312                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 313                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 314                                conn, f,
 315                                (double)start, (double)len,
 316                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 317                                nt_errstr(status[0]), nt_errstr(status[1]));
 318                 }
 319                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 320                 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
 321                 break;
 322
 323         case OP_UNLOCK:
 324                 /* unset a lock */
 325                 for (server=0;server<NSERVERS;server++) {
 326                         status[server] = cli_unlock64(cli[server][conn],
 327                                                       fnum[server][conn][f],
 328                                                       start, len);
 329                 }
 330                 if (showall ||
 331                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 332                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 333                                conn, f,
 334                                (double)start, (double)len,
 335                                nt_errstr(status[0]), nt_errstr(status[1]));
 336                 }
 337                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 338                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 339                         return False;
 340                 break;
 341
 342         case OP_REOPEN:
 343                 /* reopen the file */
 344                 for (server=0;server<NSERVERS;server++) {
 345                         cli_close(cli[server][conn], fnum[server][conn][f]);
 346                         fnum[server][conn][f] = (uint16_t)-1;
 347                 }
 348                 for (server=0;server<NSERVERS;server++) {
 349                         fnum[server][conn][f] = (uint16_t)-1;
 350                         if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
 351                                                          O_RDWR|O_CREAT,
 352                                                          DENY_NONE, &fnum[server][conn][f]))) {
 353                                 printf("failed to reopen on share%d\n", server);
 354                                 return False;
 355                         }
 356                 }
 357                 if (showall) {
 358                         printf("reopen conn=%u f=%u\n",
 359                                conn, f);
 360                         show_locks();
 361                 }
 362                 break;
 363         }
 364
 365         return True;
 366 }
 367
 368 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 369                         uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
 370 {
 371         int server, conn, f;
 372
 373         for (server=0;server<NSERVERS;server++)
 374         for (conn=0;conn<NCONNECTIONS;conn++)
 375         for (f=0;f<NFILES;f++) {
 376                 if (fnum[server][conn][f] != (uint16_t)-1) {
 377                         cli_close(cli[server][conn], fnum[server][conn][f]);
 378                         fnum[server][conn][f] = (uint16_t)-1;
 379                 }
 380         }
 381         for (server=0;server<NSERVERS;server++) {
 382                 cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
 383         }
 384 }
 385
 386 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 387                        uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
 388 {
 389         int server, conn, f;
 390
 391         for (server=0;server<NSERVERS;server++)
 392         for (conn=0;conn<NCONNECTIONS;conn++)
 393         for (f=0;f<NFILES;f++) {
 394                 fnum[server][conn][f] = (uint16_t)-1;
 395                 if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
 396                                                  O_RDWR|O_CREAT,
 397                                                  DENY_NONE,
 398                                                  &fnum[server][conn][f]))) {
 399                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 400                                 server, conn, f);
 401                         exit(1);
 402                 }
 403         }
 404 }
 405
 406
 407 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 408                    uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 409                    int n)
 410 {
 411         int i;
 412         printf("testing %u ...\n", n);
 413         for (i=0; i<n; i++) {
 414                 if (i && i % 100 == 0) {
 415                         printf("%u\n", i);
 416                 }
 417
 418                 if (recorded[i].needed &&
 419                     !test_one(cli, fnum, &recorded[i])) return i;
 420         }
 421         return n;
 422 }
 423
 424
 425 /* each server has two connections open to it. Each connection has two file
 426    descriptors open on the file - 8 file descriptors in total
 427
 428    we then do random locking ops in tamdem on the 4 fnums from each
 429    server and ensure that the results match
 430  */
 431 static void test_locks(char *share[NSERVERS])
 432 {
 433         struct cli_state *cli[NSERVERS][NCONNECTIONS];
 434         uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES];
 435         int n, i, n1, skip, r1, r2;
 436
 437         ZERO_STRUCT(fnum);
 438         ZERO_STRUCT(cli);
 439
 440         recorded = SMB_MALLOC_ARRAY(struct record, numops);
 441
 442         for (n=0; n<numops; n++) {
 443 #if PRESETS
 444                 if (n < sizeof(preset) / sizeof(preset[0])) {
 445                         recorded[n] = preset[n];
 446                 } else {
 447 #endif
 448                         recorded[n].conn = random() % NCONNECTIONS;
 449                         recorded[n].f = random() % NFILES;
 450                         recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
 451                         recorded[n].len =  min_length +
 452                                 random() % (lock_range-(recorded[n].start-lock_base));
 453                         recorded[n].start *= RANGE_MULTIPLE;
 454                         recorded[n].len *= RANGE_MULTIPLE;
 455                         r1 = random() % 100;
 456                         r2 = random() % 100;
 457                         if (r1 < READ_PCT) {
 458                                 recorded[n].lock_type = READ_LOCK;
 459                         } else {
 460                                 recorded[n].lock_type = WRITE_LOCK;
 461                         }
 462                         if (r2 < LOCK_PCT) {
 463                                 recorded[n].lock_op = OP_LOCK;
 464                         } else if (r2 < UNLOCK_PCT) {
 465                                 recorded[n].lock_op = OP_UNLOCK;
 466                         } else {
 467                                 recorded[n].lock_op = OP_REOPEN;
 468                         }
 469                         recorded[n].needed = True;
 470                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 471                                 recorded[n].len = 1;
 472                         }
 473 #if PRESETS
 474                 }
 475 #endif
 476         }
 477
 478         reconnect(cli, fnum, share);
 479         open_files(cli, fnum);
 480         n = retest(cli, fnum, numops);
 481
 482         if (n == numops || !analyze) return;
 483         n++;
 484
 485         skip = n/2;
 486
 487         while (1) {
 488                 n1 = n;
 489
 490                 close_files(cli, fnum);
 491                 reconnect(cli, fnum, share);
 492                 open_files(cli, fnum);
 493
 494                 for (i=0;i<n-skip;i+=skip) {
 495                         int m, j;
 496                         printf("excluding %d-%d\n", i, i+skip-1);
 497                         for (j=i;j<i+skip;j++) {
 498                                 recorded[j].needed = False;
 499                         }
 500
 501                         close_files(cli, fnum);
 502                         open_files(cli, fnum);
 503
 504                         m = retest(cli, fnum, n);
 505                         if (m == n) {
 506                                 for (j=i;j<i+skip;j++) {
 507                                         recorded[j].needed = True;
 508                                 }
 509                         } else {
 510                                 if (i+(skip-1) < m) {
 511                                         memmove(&recorded[i], &recorded[i+skip],
 512                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 513                                 }
 514                                 n = m-(skip-1);
 515                                 i--;
 516                         }
 517                 }
 518
 519                 if (skip > 1) {
 520                         skip = skip/2;
 521                         printf("skip=%d\n", skip);
 522                         continue;
 523                 }
 524
 525                 if (n1 == n) break;
 526         }
 527
 528         close_files(cli, fnum);
 529         reconnect(cli, fnum, share);
 530         open_files(cli, fnum);
 531         showall = True;
 532         n1 = retest(cli, fnum, n);
 533         if (n1 != n-1) {
 534                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 535         }
 536         close_files(cli, fnum);
 537
 538         for (i=0;i<n;i++) {
 539                 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
 540                        lock_op_name(recorded[i].lock_op),
 541                        lock_op_type(recorded[i].lock_type),
 542                        recorded[i].conn,
 543                        recorded[i].f,
 544                        (double)recorded[i].start,
 545                        (double)recorded[i].len,
 546                        recorded[i].needed);
 547         }
 548 }
 549
 550
 551
 552 static void usage(void)
 553 {
 554         printf(
 555 "Usage:\n\
 556   locktest //server1/share1 //server2/share2 [options..]\n\
 557   options:\n\
 558         -U user%%pass        (may be specified twice)\n\
 559         -k               use kerberos\n\
 560         -s seed\n\
 561         -o numops\n\
 562         -u          hide unlock fails\n\
 563         -a          (show all ops)\n\
 564         -A          analyse for minimal ops\n\
 565         -O          use oplocks\n\
 566         -E          enable exact error code checking\n\
 567         -Z          enable the zero/zero lock\n\
 568         -R range    set lock range\n\
 569         -B base     set lock base\n\
 570         -M min      set min lock length\n\
 571 ");
 572 }
 573
 574 /****************************************************************************
 575   main program
 576 ****************************************************************************/
 577  int main(int argc,char *argv[])
 578 {
 579         char *share[NSERVERS];
 580         int opt;
 581         char *p;
 582         int seed, server;
 583
 584         setlinebuf(stdout);
 585
 586         load_case_tables();
 587
 588         if (argc < 3 || argv[1][0] == '-') {
 589                 usage();
 590                 exit(1);
 591         }
 592
 593         setup_logging(argv[0], DEBUG_STDOUT);
 594
 595         for (server=0;server<NSERVERS;server++) {
 596                 share[server] = argv[1+server];
 597                 all_string_sub(share[server],"/","\\",0);
 598         }
 599
 600         argc -= NSERVERS;
 601         argv += NSERVERS;
 602
 603         lp_load_global(get_dyn_CONFIGFILE());
 604         load_interfaces();
 605
 606         if (getenv("USER")) {
 607                 fstrcpy(username[0],getenv("USER"));
 608                 fstrcpy(username[1],getenv("USER"));
 609         }
 610
 611         seed = time(NULL);
 612
 613         while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
 614                 switch (opt) {
 615                 case 'k':
 616 #ifdef HAVE_KRB5
 617                         use_kerberos = True;
 618 #else
 619                         d_printf("No kerberos support compiled in\n");
 620                         exit(1);
 621 #endif
 622                         break;
 623                 case 'U':
 624                         got_user = 1;
 625                         if (got_pass == 2) {
 626                                 d_printf("Max of 2 usernames\n");
 627                                 exit(1);
 628                         }
 629                         fstrcpy(username[got_pass],optarg);
 630                         p = strchr_m(username[got_pass],'%');
 631                         if (p) {
 632                                 *p = 0;
 633                                 fstrcpy(password[got_pass], p+1);
 634                                 got_pass++;
 635                         }
 636                         break;
 637                 case 'R':
 638                         lock_range = strtol(optarg, NULL, 0);
 639                         break;
 640                 case 'B':
 641                         lock_base = strtol(optarg, NULL, 0);
 642                         break;
 643                 case 'M':
 644                         min_length = strtol(optarg, NULL, 0);
 645                         break;
 646                 case 's':
 647                         seed = atoi(optarg);
 648                         break;
 649                 case 'u':
 650                         hide_unlock_fails = True;
 651                         break;
 652                 case 'o':
 653                         numops = atoi(optarg);
 654                         break;
 655                 case 'O':
 656                         use_oplocks = True;
 657                         break;
 658                 case 'a':
 659                         showall = True;
 660                         break;
 661                 case 'A':
 662                         analyze = True;
 663                         break;
 664                 case 'Z':
 665                         zero_zero = True;
 666                         break;
 667                 case 'E':
 668                         exact_error_codes = True;
 669                         break;
 670                 case 'h':
 671                         usage();
 672                         exit(1);
 673                 default:
 674                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 675                         exit(1);
 676                 }
 677         }
 678
 679         if(use_kerberos && !got_user) got_pass = True;
 680
 681         argc -= optind;
 682         argv += optind;
 683
 684         DEBUG(0,("seed=%u\n", seed));
 685         srandom(seed);
 686
 687         test_locks(share);
 688
 689         return(0);
 690 }