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