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
 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         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
 182
 183         /* have to open a new connection */
 184
 185         status = cli_connect_nb(server_n, NULL, 0, 0x20, myname, Undefined,
 186                                 &c);
 187         if (!NT_STATUS_IS_OK(status)) {
 188                 DEBUG(0, ("Connection to %s failed. Error %s\n", server_n,
 189                           nt_errstr(status)));
 190                 return NULL;
 191         }
 192
 193         c->use_kerberos = use_kerberos;
 194
 195         status = cli_negprot(c);
 196         if (!NT_STATUS_IS_OK(status)) {
 197                 DEBUG(0, ("protocol negotiation failed: %s\n",
 198                           nt_errstr(status)));
 199                 cli_shutdown(c);
 200                 return NULL;
 201         }
 202
 203         if (!got_pass) {
 204                 char *pass = getpass("Password: ");
 205                 if (pass) {
 206                         fstrcpy(password[0], pass);
 207                         fstrcpy(password[1], pass);
 208                 }
 209         }
 210
 211         if (got_pass == 1) {
 212                 strlcpy(password[1], password[0],sizeof(password[1]));
 213                 strlcpy(username[1], username[0],sizeof(username[1]));
 214         }
 215
 216         status = cli_session_setup(c, username[snum],
 217                                    password[snum], strlen(password[snum]),
 218                                    password[snum], strlen(password[snum]),
 219                                    lp_workgroup());
 220         if (!NT_STATUS_IS_OK(status)) {
 221                 DEBUG(0,("session setup failed: %s\n", nt_errstr(status)));
 222                 return NULL;
 223         }
 224
 225         /*
 226          * These next two lines are needed to emulate
 227          * old client behaviour for people who have
 228          * scripts based on client output.
 229          * QUESTION ? Do we want to have a 'client compatibility
 230          * mode to turn these on/off ? JRA.
 231          */
 232
 233         if (*c->server_domain || *c->server_os || *c->server_type)
 234                 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
 235                         c->server_domain,c->server_os,c->server_type));
 236
 237         DEBUG(4,(" session setup ok\n"));
 238
 239         status = cli_tcon_andx(c, share, "?????", password[snum],
 240                                strlen(password[snum])+1);
 241         if (!NT_STATUS_IS_OK(status)) {
 242                 DEBUG(0,("tree connect failed: %s\n", nt_errstr(status)));
 243                 cli_shutdown(c);
 244                 return NULL;
 245         }
 246
 247         DEBUG(4,(" tconx ok\n"));
 248
 249         c->use_oplocks = use_oplocks;
 250
 251         return c;
 252 }
 253
 254
 255 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 256                       char *share[NSERVERS])
 257 {
 258         int server, conn, f;
 259
 260         for (server=0;server<NSERVERS;server++)
 261         for (conn=0;conn<NCONNECTIONS;conn++) {
 262                 if (cli[server][conn]) {
 263                         for (f=0;f<NFILES;f++) {
 264                                 if (fnum[server][conn][f] != (uint16_t)-1) {
 265                                         cli_close(cli[server][conn], fnum[server][conn][f]);
 266                                         fnum[server][conn][f] = (uint16_t)-1;
 267                                 }
 268                         }
 269                         cli_ulogoff(cli[server][conn]);
 270                         cli_shutdown(cli[server][conn]);
 271                 }
 272                 cli[server][conn] = connect_one(share[server], server);
 273                 if (!cli[server][conn]) {
 274                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 275                         exit(1);
 276                 }
 277         }
 278 }
 279
 280
 281
 282 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 283                      uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 284                      struct record *rec)
 285 {
 286         unsigned conn = rec->conn;
 287         unsigned f = rec->f;
 288         uint64_t start = rec->start;
 289         uint64_t len = rec->len;
 290         enum brl_type op = rec->lock_type;
 291         int server;
 292         NTSTATUS status[NSERVERS];
 293
 294         switch (rec->lock_op) {
 295         case OP_LOCK:
 296                 /* set a lock */
 297                 for (server=0;server<NSERVERS;server++) {
 298                         status[server] = cli_lock64(cli[server][conn],
 299                                                     fnum[server][conn][f],
 300                                                     start, len, LOCK_TIMEOUT,
 301                                                     op);
 302                         if (!exact_error_codes &&
 303                             NT_STATUS_EQUAL(status[server],
 304                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 305                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 306                         }
 307                 }
 308                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 309                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 310                                conn, f,
 311                                (double)start, (double)len,
 312                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 313                                nt_errstr(status[0]), nt_errstr(status[1]));
 314                 }
 315                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 316                 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
 317                 break;
 318
 319         case OP_UNLOCK:
 320                 /* unset a lock */
 321                 for (server=0;server<NSERVERS;server++) {
 322                         status[server] = cli_unlock64(cli[server][conn],
 323                                                       fnum[server][conn][f],
 324                                                       start, len);
 325                 }
 326                 if (showall ||
 327                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 328                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 329                                conn, f,
 330                                (double)start, (double)len,
 331                                nt_errstr(status[0]), nt_errstr(status[1]));
 332                 }
 333                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 334                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 335                         return False;
 336                 break;
 337
 338         case OP_REOPEN:
 339                 /* reopen the file */
 340                 for (server=0;server<NSERVERS;server++) {
 341                         cli_close(cli[server][conn], fnum[server][conn][f]);
 342                         fnum[server][conn][f] = (uint16_t)-1;
 343                 }
 344                 for (server=0;server<NSERVERS;server++) {
 345                         fnum[server][conn][f] = (uint16_t)-1;
 346                         if (!NT_STATUS_IS_OK(cli_open(cli[server][conn], FILENAME,
 347                                                          O_RDWR|O_CREAT,
 348                                                          DENY_NONE, &fnum[server][conn][f]))) {
 349                                 printf("failed to reopen on share%d\n", server);
 350                                 return False;
 351                         }
 352                 }
 353                 if (showall) {
 354                         printf("reopen conn=%u f=%u\n",
 355                                conn, f);
 356                         show_locks();
 357                 }
 358                 break;
 359         }
 360
 361         return True;
 362 }
 363
 364 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 365                         uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
 366 {
 367         int server, conn, f;
 368
 369         for (server=0;server<NSERVERS;server++)
 370         for (conn=0;conn<NCONNECTIONS;conn++)
 371         for (f=0;f<NFILES;f++) {
 372                 if (fnum[server][conn][f] != (uint16_t)-1) {
 373                         cli_close(cli[server][conn], fnum[server][conn][f]);
 374                         fnum[server][conn][f] = (uint16_t)-1;
 375                 }
 376         }
 377         for (server=0;server<NSERVERS;server++) {
 378                 cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
 379         }
 380 }
 381
 382 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 383                        uint16_t 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                 fnum[server][conn][f] = (uint16_t)-1;
 391                 if (!NT_STATUS_IS_OK(cli_open(cli[server][conn], FILENAME,
 392                                                  O_RDWR|O_CREAT,
 393                                                  DENY_NONE,
 394                                                  &fnum[server][conn][f]))) {
 395                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 396                                 server, conn, f);
 397                         exit(1);
 398                 }
 399         }
 400 }
 401
 402
 403 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 404                    uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
 405                    int n)
 406 {
 407         int i;
 408         printf("testing %u ...\n", n);
 409         for (i=0; i<n; i++) {
 410                 if (i && i % 100 == 0) {
 411                         printf("%u\n", i);
 412                 }
 413
 414                 if (recorded[i].needed &&
 415                     !test_one(cli, fnum, &recorded[i])) return i;
 416         }
 417         return n;
 418 }
 419
 420
 421 /* each server has two connections open to it. Each connection has two file
 422    descriptors open on the file - 8 file descriptors in total
 423
 424    we then do random locking ops in tamdem on the 4 fnums from each
 425    server and ensure that the results match
 426  */
 427 static void test_locks(char *share[NSERVERS])
 428 {
 429         struct cli_state *cli[NSERVERS][NCONNECTIONS];
 430         uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES];
 431         int n, i, n1, skip, r1, r2;
 432
 433         ZERO_STRUCT(fnum);
 434         ZERO_STRUCT(cli);
 435
 436         recorded = SMB_MALLOC_ARRAY(struct record, numops);
 437
 438         for (n=0; n<numops; n++) {
 439 #if PRESETS
 440                 if (n < sizeof(preset) / sizeof(preset[0])) {
 441                         recorded[n] = preset[n];
 442                 } else {
 443 #endif
 444                         recorded[n].conn = random() % NCONNECTIONS;
 445                         recorded[n].f = random() % NFILES;
 446                         recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
 447                         recorded[n].len =  min_length +
 448                                 random() % (lock_range-(recorded[n].start-lock_base));
 449                         recorded[n].start *= RANGE_MULTIPLE;
 450                         recorded[n].len *= RANGE_MULTIPLE;
 451                         r1 = random() % 100;
 452                         r2 = random() % 100;
 453                         if (r1 < READ_PCT) {
 454                                 recorded[n].lock_type = READ_LOCK;
 455                         } else {
 456                                 recorded[n].lock_type = WRITE_LOCK;
 457                         }
 458                         if (r2 < LOCK_PCT) {
 459                                 recorded[n].lock_op = OP_LOCK;
 460                         } else if (r2 < UNLOCK_PCT) {
 461                                 recorded[n].lock_op = OP_UNLOCK;
 462                         } else {
 463                                 recorded[n].lock_op = OP_REOPEN;
 464                         }
 465                         recorded[n].needed = True;
 466                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 467                                 recorded[n].len = 1;
 468                         }
 469 #if PRESETS
 470                 }
 471 #endif
 472         }
 473
 474         reconnect(cli, fnum, share);
 475         open_files(cli, fnum);
 476         n = retest(cli, fnum, numops);
 477
 478         if (n == numops || !analyze) return;
 479         n++;
 480
 481         skip = n/2;
 482
 483         while (1) {
 484                 n1 = n;
 485
 486                 close_files(cli, fnum);
 487                 reconnect(cli, fnum, share);
 488                 open_files(cli, fnum);
 489
 490                 for (i=0;i<n-skip;i+=skip) {
 491                         int m, j;
 492                         printf("excluding %d-%d\n", i, i+skip-1);
 493                         for (j=i;j<i+skip;j++) {
 494                                 recorded[j].needed = False;
 495                         }
 496
 497                         close_files(cli, fnum);
 498                         open_files(cli, fnum);
 499
 500                         m = retest(cli, fnum, n);
 501                         if (m == n) {
 502                                 for (j=i;j<i+skip;j++) {
 503                                         recorded[j].needed = True;
 504                                 }
 505                         } else {
 506                                 if (i+(skip-1) < m) {
 507                                         memmove(&recorded[i], &recorded[i+skip],
 508                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 509                                 }
 510                                 n = m-(skip-1);
 511                                 i--;
 512                         }
 513                 }
 514
 515                 if (skip > 1) {
 516                         skip = skip/2;
 517                         printf("skip=%d\n", skip);
 518                         continue;
 519                 }
 520
 521                 if (n1 == n) break;
 522         }
 523
 524         close_files(cli, fnum);
 525         reconnect(cli, fnum, share);
 526         open_files(cli, fnum);
 527         showall = True;
 528         n1 = retest(cli, fnum, n);
 529         if (n1 != n-1) {
 530                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 531         }
 532         close_files(cli, fnum);
 533
 534         for (i=0;i<n;i++) {
 535                 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
 536                        lock_op_name(recorded[i].lock_op),
 537                        lock_op_type(recorded[i].lock_type),
 538                        recorded[i].conn,
 539                        recorded[i].f,
 540                        (double)recorded[i].start,
 541                        (double)recorded[i].len,
 542                        recorded[i].needed);
 543         }
 544 }
 545
 546
 547
 548 static void usage(void)
 549 {
 550         printf(
 551 "Usage:\n\
 552   locktest //server1/share1 //server2/share2 [options..]\n\
 553   options:\n\
 554         -U user%%pass        (may be specified twice)\n\
 555         -k               use kerberos\n\
 556         -s seed\n\
 557         -o numops\n\
 558         -u          hide unlock fails\n\
 559         -a          (show all ops)\n\
 560         -A          analyse for minimal ops\n\
 561         -O          use oplocks\n\
 562         -E          enable exact error code checking\n\
 563         -Z          enable the zero/zero lock\n\
 564         -R range    set lock range\n\
 565         -B base     set lock base\n\
 566         -M min      set min lock length\n\
 567 ");
 568 }
 569
 570 /****************************************************************************
 571   main program
 572 ****************************************************************************/
 573  int main(int argc,char *argv[])
 574 {
 575         char *share[NSERVERS];
 576         int opt;
 577         char *p;
 578         int seed, server;
 579
 580         setlinebuf(stdout);
 581
 582         load_case_tables();
 583
 584         if (argc < 3 || argv[1][0] == '-') {
 585                 usage();
 586                 exit(1);
 587         }
 588
 589         setup_logging(argv[0], DEBUG_STDOUT);
 590
 591         for (server=0;server<NSERVERS;server++) {
 592                 share[server] = argv[1+server];
 593                 all_string_sub(share[server],"/","\\",0);
 594         }
 595
 596         argc -= NSERVERS;
 597         argv += NSERVERS;
 598
 599         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 600         load_interfaces();
 601
 602         if (getenv("USER")) {
 603                 fstrcpy(username[0],getenv("USER"));
 604                 fstrcpy(username[1],getenv("USER"));
 605         }
 606
 607         seed = time(NULL);
 608
 609         while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
 610                 switch (opt) {
 611                 case 'k':
 612 #ifdef HAVE_KRB5
 613                         use_kerberos = True;
 614 #else
 615                         d_printf("No kerberos support compiled in\n");
 616                         exit(1);
 617 #endif
 618                         break;
 619                 case 'U':
 620                         got_user = 1;
 621                         if (got_pass == 2) {
 622                                 d_printf("Max of 2 usernames\n");
 623                                 exit(1);
 624                         }
 625                         fstrcpy(username[got_pass],optarg);
 626                         p = strchr_m(username[got_pass],'%');
 627                         if (p) {
 628                                 *p = 0;
 629                                 fstrcpy(password[got_pass], p+1);
 630                                 got_pass++;
 631                         }
 632                         break;
 633                 case 'R':
 634                         lock_range = strtol(optarg, NULL, 0);
 635                         break;
 636                 case 'B':
 637                         lock_base = strtol(optarg, NULL, 0);
 638                         break;
 639                 case 'M':
 640                         min_length = strtol(optarg, NULL, 0);
 641                         break;
 642                 case 's':
 643                         seed = atoi(optarg);
 644                         break;
 645                 case 'u':
 646                         hide_unlock_fails = True;
 647                         break;
 648                 case 'o':
 649                         numops = atoi(optarg);
 650                         break;
 651                 case 'O':
 652                         use_oplocks = True;
 653                         break;
 654                 case 'a':
 655                         showall = True;
 656                         break;
 657                 case 'A':
 658                         analyze = True;
 659                         break;
 660                 case 'Z':
 661                         zero_zero = True;
 662                         break;
 663                 case 'E':
 664                         exact_error_codes = True;
 665                         break;
 666                 case 'h':
 667                         usage();
 668                         exit(1);
 669                 default:
 670                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 671                         exit(1);
 672                 }
 673         }
 674
 675         if(use_kerberos && !got_user) got_pass = True;
 676
 677         argc -= optind;
 678         argv += optind;
 679
 680         DEBUG(0,("seed=%u\n", seed));
 681         srandom(seed);
 682
 683         test_locks(share);
 684
 685         return(0);
 686 }