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 #define FILENAME "\\locktest.dat"
  40
  41 #define READ_PCT 50
  42 #define LOCK_PCT 45
  43 #define UNLOCK_PCT 70
  44 #define RANGE_MULTIPLE 1
  45 #define NSERVERS 2
  46 #define NCONNECTIONS 2
  47 #define NFILES 2
  48 #define LOCK_TIMEOUT 0
  49
  50 #define NASTY_POSIX_LOCK_HACK 0
  51
  52 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  53
  54 const char *lock_op_type(int op)
  55 {
  56         if (op == WRITE_LOCK) return "write";
  57         else if (op == READ_LOCK) return "read";
  58         else return "other";
  59 }
  60
  61 const char *lock_op_name(enum lock_op op)
  62 {
  63         if (op == OP_LOCK) return "lock";
  64         else if (op == OP_UNLOCK) return "unlock";
  65         else return "reopen";
  66 }
  67
  68 struct record {
  69         enum lock_op lock_op;
  70         enum brl_type lock_type;
  71         char conn, f;
  72         SMB_BIG_UINT start, len;
  73         char needed;
  74 };
  75
  76 #define PRESETS 0
  77
  78 #if PRESETS
  79 static struct record preset[] = {
  80 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  81 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  82 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  83 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  84 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  85
  86 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  87 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  88 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  89 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  90
  91 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  92 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  93 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  94 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  95
  96 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  97 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
  98 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  99 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 100
 101 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 102 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
 103 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 104 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 105
 106 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
 107 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
 108 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
 109 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 110
 111 };
 112 #endif
 113
 114 static struct record *recorded;
 115
 116 static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, struct process_id pid,
 117                       enum brl_type lock_type,
 118                       br_off start, br_off size)
 119 {
 120 #if NASTY_POSIX_LOCK_HACK
 121         {
 122                 pstring cmd;
 123                 static SMB_INO_T lastino;
 124
 125                 if (lastino != ino) {
 126                         slprintf(cmd, sizeof(cmd),
 127                                  "egrep POSIX.*%u /proc/locks", (int)ino);
 128                         system(cmd);
 129                 }
 130                 lastino = ino;
 131         }
 132 #endif
 133
 134         printf("%s   %05x:%05x    %s  %.0f:%.0f(%.0f)\n",
 135                procid_str_static(&pid), (int)dev, (int)ino,
 136                lock_type==READ_LOCK?"R":"W",
 137                (double)start, (double)start+size-1,(double)size);
 138
 139 }
 140
 141
 142 static void show_locks(void)
 143 {
 144         brl_forall(print_brl);
 145         /* system("cat /proc/locks"); */
 146 }
 147
 148
 149 /*****************************************************
 150 return a connection to a server
 151 *******************************************************/
 152 static struct cli_state *connect_one(char *share, int snum)
 153 {
 154         struct cli_state *c;
 155         struct nmb_name called, calling;
 156         char *server_n;
 157         fstring server;
 158         struct in_addr ip;
 159         fstring myname;
 160         static int count;
 161
 162         fstrcpy(server,share+2);
 163         share = strchr_m(server,'\\');
 164         if (!share) return NULL;
 165         *share = 0;
 166         share++;
 167
 168         server_n = server;
 169
 170         zero_ip(&ip);
 171
 172         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
 173
 174         make_nmb_name(&calling, myname, 0x0);
 175         make_nmb_name(&called , server, 0x20);
 176
 177  again:
 178         zero_ip(&ip);
 179
 180         /* have to open a new connection */
 181         if (!(c=cli_initialise(NULL)) || !cli_connect(c, server_n, &ip)) {
 182                 DEBUG(0,("Connection to %s failed\n", server_n));
 183                 return NULL;
 184         }
 185
 186         c->use_kerberos = use_kerberos;
 187
 188         if (!cli_session_request(c, &calling, &called)) {
 189                 DEBUG(0,("session request to %s failed\n", called.name));
 190                 cli_shutdown(c);
 191                 if (strcmp(called.name, "*SMBSERVER")) {
 192                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 193                         goto again;
 194                 }
 195                 return NULL;
 196         }
 197
 198         DEBUG(4,(" session request ok\n"));
 199
 200         if (!cli_negprot(c)) {
 201                 DEBUG(0,("protocol negotiation failed\n"));
 202                 cli_shutdown(c);
 203                 return NULL;
 204         }
 205
 206         if (!got_pass) {
 207                 char *pass = getpass("Password: ");
 208                 if (pass) {
 209                         fstrcpy(password[0], pass);
 210                         fstrcpy(password[1], pass);
 211                 }
 212         }
 213
 214         if (got_pass == 1) {
 215                 fstrcpy(password[1], password[0]);
 216                 fstrcpy(username[1], username[0]);
 217         }
 218
 219         if (!cli_session_setup(c, username[snum],
 220                                password[snum], strlen(password[snum]),
 221                                password[snum], strlen(password[snum]),
 222                                lp_workgroup())) {
 223                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 224                 return NULL;
 225         }
 226
 227         /*
 228          * These next two lines are needed to emulate
 229          * old client behaviour for people who have
 230          * scripts based on client output.
 231          * QUESTION ? Do we want to have a 'client compatibility
 232          * mode to turn these on/off ? JRA.
 233          */
 234
 235         if (*c->server_domain || *c->server_os || *c->server_type)
 236                 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
 237                         c->server_domain,c->server_os,c->server_type));
 238
 239         DEBUG(4,(" session setup ok\n"));
 240
 241         if (!cli_send_tconX(c, share, "?????",
 242                             password[snum], strlen(password[snum])+1)) {
 243                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 244                 cli_shutdown(c);
 245                 return NULL;
 246         }
 247
 248         DEBUG(4,(" tconx ok\n"));
 249
 250         c->use_oplocks = use_oplocks;
 251
 252         return c;
 253 }
 254
 255
 256 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
 257                       char *share[NSERVERS])
 258 {
 259         int server, conn, f;
 260
 261         for (server=0;server<NSERVERS;server++)
 262         for (conn=0;conn<NCONNECTIONS;conn++) {
 263                 if (cli[server][conn]) {
 264                         for (f=0;f<NFILES;f++) {
 265                                 if (fnum[server][conn][f] != -1) {
 266                                         cli_close(cli[server][conn], fnum[server][conn][f]);
 267                                         fnum[server][conn][f] = -1;
 268                                 }
 269                         }
 270                         cli_ulogoff(cli[server][conn]);
 271                         cli_shutdown(cli[server][conn]);
 272                 }
 273                 cli[server][conn] = connect_one(share[server], server);
 274                 if (!cli[server][conn]) {
 275                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 276                         exit(1);
 277                 }
 278         }
 279 }
 280
 281
 282
 283 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 284                      int fnum[NSERVERS][NCONNECTIONS][NFILES],
 285                      struct record *rec)
 286 {
 287         unsigned conn = rec->conn;
 288         unsigned f = rec->f;
 289         SMB_BIG_UINT start = rec->start;
 290         SMB_BIG_UINT len = rec->len;
 291         enum brl_type op = rec->lock_type;
 292         int server;
 293         BOOL ret[NSERVERS];
 294         NTSTATUS status[NSERVERS];
 295
 296         switch (rec->lock_op) {
 297         case OP_LOCK:
 298                 /* set a lock */
 299                 for (server=0;server<NSERVERS;server++) {
 300                         ret[server] = cli_lock64(cli[server][conn],
 301                                                  fnum[server][conn][f],
 302                                                  start, len, LOCK_TIMEOUT, op);
 303                         status[server] = cli_nt_error(cli[server][conn]);
 304                         if (!exact_error_codes &&
 305                             NT_STATUS_EQUAL(status[server],
 306                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 307                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 308                         }
 309                 }
 310                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 311                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 312                                conn, f,
 313                                (double)start, (double)len,
 314                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 315                                nt_errstr(status[0]), nt_errstr(status[1]));
 316                 }
 317                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 318                 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
 319                 break;
 320
 321         case OP_UNLOCK:
 322                 /* unset a lock */
 323                 for (server=0;server<NSERVERS;server++) {
 324                         ret[server] = cli_unlock64(cli[server][conn],
 325                                                    fnum[server][conn][f],
 326                                                    start, len);
 327                         status[server] = cli_nt_error(cli[server][conn]);
 328                 }
 329                 if (showall ||
 330                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 331                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 332                                conn, f,
 333                                (double)start, (double)len,
 334                                nt_errstr(status[0]), nt_errstr(status[1]));
 335                 }
 336                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
 337                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 338                         return False;
 339                 break;
 340
 341         case OP_REOPEN:
 342                 /* reopen the file */
 343                 for (server=0;server<NSERVERS;server++) {
 344                         cli_close(cli[server][conn], fnum[server][conn][f]);
 345                         fnum[server][conn][f] = -1;
 346                 }
 347                 for (server=0;server<NSERVERS;server++) {
 348                         fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
 349                                                          O_RDWR|O_CREAT,
 350                                                          DENY_NONE);
 351                         if (fnum[server][conn][f] == -1) {
 352                                 printf("failed to reopen on share%d\n", server);
 353                                 return False;
 354                         }
 355                 }
 356                 if (showall) {
 357                         printf("reopen conn=%u f=%u\n",
 358                                conn, f);
 359                         show_locks();
 360                 }
 361                 break;
 362         }
 363
 364         return True;
 365 }
 366
 367 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 368                         int fnum[NSERVERS][NCONNECTIONS][NFILES])
 369 {
 370         int server, conn, f;
 371
 372         for (server=0;server<NSERVERS;server++)
 373         for (conn=0;conn<NCONNECTIONS;conn++)
 374         for (f=0;f<NFILES;f++) {
 375                 if (fnum[server][conn][f] != -1) {
 376                         cli_close(cli[server][conn], fnum[server][conn][f]);
 377                         fnum[server][conn][f] = -1;
 378                 }
 379         }
 380         for (server=0;server<NSERVERS;server++) {
 381                 cli_unlink(cli[server][0], FILENAME);
 382         }
 383 }
 384
 385 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 386                        int fnum[NSERVERS][NCONNECTIONS][NFILES])
 387 {
 388         int server, conn, f;
 389
 390         for (server=0;server<NSERVERS;server++)
 391         for (conn=0;conn<NCONNECTIONS;conn++)
 392         for (f=0;f<NFILES;f++) {
 393                 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
 394                                                  O_RDWR|O_CREAT,
 395                                                  DENY_NONE);
 396                 if (fnum[server][conn][f] == -1) {
 397                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 398                                 server, conn, f);
 399                         exit(1);
 400                 }
 401         }
 402 }
 403
 404
 405 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 406                    int fnum[NSERVERS][NCONNECTIONS][NFILES],
 407                    int n)
 408 {
 409         int i;
 410         printf("testing %u ...\n", n);
 411         for (i=0; i<n; i++) {
 412                 if (i && i % 100 == 0) {
 413                         printf("%u\n", i);
 414                 }
 415
 416                 if (recorded[i].needed &&
 417                     !test_one(cli, fnum, &recorded[i])) return i;
 418         }
 419         return n;
 420 }
 421
 422
 423 /* each server has two connections open to it. Each connection has two file
 424    descriptors open on the file - 8 file descriptors in total
 425
 426    we then do random locking ops in tamdem on the 4 fnums from each
 427    server and ensure that the results match
 428  */
 429 static void test_locks(char *share[NSERVERS])
 430 {
 431         struct cli_state *cli[NSERVERS][NCONNECTIONS];
 432         int fnum[NSERVERS][NCONNECTIONS][NFILES];
 433         int n, i, n1, skip, r1, r2;
 434
 435         ZERO_STRUCT(fnum);
 436         ZERO_STRUCT(cli);
 437
 438         recorded = SMB_MALLOC_ARRAY(struct record, numops);
 439
 440         for (n=0; n<numops; n++) {
 441 #if PRESETS
 442                 if (n < sizeof(preset) / sizeof(preset[0])) {
 443                         recorded[n] = preset[n];
 444                 } else {
 445 #endif
 446                         recorded[n].conn = random() % NCONNECTIONS;
 447                         recorded[n].f = random() % NFILES;
 448                         recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
 449                         recorded[n].len =  min_length +
 450                                 random() % (lock_range-(recorded[n].start-lock_base));
 451                         recorded[n].start *= RANGE_MULTIPLE;
 452                         recorded[n].len *= RANGE_MULTIPLE;
 453                         r1 = random() % 100;
 454                         r2 = random() % 100;
 455                         if (r1 < READ_PCT) {
 456                                 recorded[n].lock_type = READ_LOCK;
 457                         } else {
 458                                 recorded[n].lock_type = WRITE_LOCK;
 459                         }
 460                         if (r2 < LOCK_PCT) {
 461                                 recorded[n].lock_op = OP_LOCK;
 462                         } else if (r2 < UNLOCK_PCT) {
 463                                 recorded[n].lock_op = OP_UNLOCK;
 464                         } else {
 465                                 recorded[n].lock_op = OP_REOPEN;
 466                         }
 467                         recorded[n].needed = True;
 468                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 469                                 recorded[n].len = 1;
 470                         }
 471 #if PRESETS
 472                 }
 473 #endif
 474         }
 475
 476         reconnect(cli, fnum, share);
 477         open_files(cli, fnum);
 478         n = retest(cli, fnum, numops);
 479
 480         if (n == numops || !analyze) return;
 481         n++;
 482
 483         skip = n/2;
 484
 485         while (1) {
 486                 n1 = n;
 487
 488                 close_files(cli, fnum);
 489                 reconnect(cli, fnum, share);
 490                 open_files(cli, fnum);
 491
 492                 for (i=0;i<n-skip;i+=skip) {
 493                         int m, j;
 494                         printf("excluding %d-%d\n", i, i+skip-1);
 495                         for (j=i;j<i+skip;j++) {
 496                                 recorded[j].needed = False;
 497                         }
 498
 499                         close_files(cli, fnum);
 500                         open_files(cli, fnum);
 501
 502                         m = retest(cli, fnum, n);
 503                         if (m == n) {
 504                                 for (j=i;j<i+skip;j++) {
 505                                         recorded[j].needed = True;
 506                                 }
 507                         } else {
 508                                 if (i+(skip-1) < m) {
 509                                         memmove(&recorded[i], &recorded[i+skip],
 510                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 511                                 }
 512                                 n = m-(skip-1);
 513                                 i--;
 514                         }
 515                 }
 516
 517                 if (skip > 1) {
 518                         skip = skip/2;
 519                         printf("skip=%d\n", skip);
 520                         continue;
 521                 }
 522
 523                 if (n1 == n) break;
 524         }
 525
 526         close_files(cli, fnum);
 527         reconnect(cli, fnum, share);
 528         open_files(cli, fnum);
 529         showall = True;
 530         n1 = retest(cli, fnum, n);
 531         if (n1 != n-1) {
 532                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 533         }
 534         close_files(cli, fnum);
 535
 536         for (i=0;i<n;i++) {
 537                 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
 538                        lock_op_name(recorded[i].lock_op),
 539                        lock_op_type(recorded[i].lock_type),
 540                        recorded[i].conn,
 541                        recorded[i].f,
 542                        (double)recorded[i].start,
 543                        (double)recorded[i].len,
 544                        recorded[i].needed);
 545         }
 546 }
 547
 548
 549
 550 static void usage(void)
 551 {
 552         printf(
 553 "Usage:\n\
 554   locktest //server1/share1 //server2/share2 [options..]\n\
 555   options:\n\
 556         -U user%%pass        (may be specified twice)\n\
 557         -k               use kerberos\n\
 558         -s seed\n\
 559         -o numops\n\
 560         -u          hide unlock fails\n\
 561         -a          (show all ops)\n\
 562         -A          analyse for minimal ops\n\
 563         -O          use oplocks\n\
 564         -E          enable exact error code checking\n\
 565         -Z          enable the zero/zero lock\n\
 566         -R range    set lock range\n\
 567         -B base     set lock base\n\
 568         -M min      set min lock length\n\
 569 ");
 570 }
 571
 572 /****************************************************************************
 573   main program
 574 ****************************************************************************/
 575  int main(int argc,char *argv[])
 576 {
 577         char *share[NSERVERS];
 578         extern char *optarg;
 579         extern int optind;
 580         int opt;
 581         char *p;
 582         int seed, server;
 583
 584         setlinebuf(stdout);
 585
 586         load_case_tables();
 587
 588         dbf = x_stderr;
 589
 590         if (argc < 3 || argv[1][0] == '-') {
 591                 usage();
 592                 exit(1);
 593         }
 594
 595         setup_logging(argv[0],True);
 596
 597         for (server=0;server<NSERVERS;server++) {
 598                 share[server] = argv[1+server];
 599                 all_string_sub(share[server],"/","\\",0);
 600         }
 601
 602         argc -= NSERVERS;
 603         argv += NSERVERS;
 604
 605         lp_load(dyn_CONFIGFILE,True,False,False,True);
 606         load_interfaces();
 607
 608         if (getenv("USER")) {
 609                 fstrcpy(username[0],getenv("USER"));
 610                 fstrcpy(username[1],getenv("USER"));
 611         }
 612
 613         seed = time(NULL);
 614
 615         while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
 616                 switch (opt) {
 617                 case 'k':
 618 #ifdef HAVE_KRB5
 619                         use_kerberos = True;
 620 #else
 621                         d_printf("No kerberos support compiled in\n");
 622                         exit(1);
 623 #endif
 624                         break;
 625                 case 'U':
 626                         got_user = 1;
 627                         if (got_pass == 2) {
 628                                 d_printf("Max of 2 usernames\n");
 629                                 exit(1);
 630                         }
 631                         fstrcpy(username[got_pass],optarg);
 632                         p = strchr_m(username[got_pass],'%');
 633                         if (p) {
 634                                 *p = 0;
 635                                 fstrcpy(password[got_pass], p+1);
 636                                 got_pass++;
 637                         }
 638                         break;
 639                 case 'R':
 640                         lock_range = strtol(optarg, NULL, 0);
 641                         break;
 642                 case 'B':
 643                         lock_base = strtol(optarg, NULL, 0);
 644                         break;
 645                 case 'M':
 646                         min_length = strtol(optarg, NULL, 0);
 647                         break;
 648                 case 's':
 649                         seed = atoi(optarg);
 650                         break;
 651                 case 'u':
 652                         hide_unlock_fails = True;
 653                         break;
 654                 case 'o':
 655                         numops = atoi(optarg);
 656                         break;
 657                 case 'O':
 658                         use_oplocks = True;
 659                         break;
 660                 case 'a':
 661                         showall = True;
 662                         break;
 663                 case 'A':
 664                         analyze = True;
 665                         break;
 666                 case 'Z':
 667                         zero_zero = True;
 668                         break;
 669                 case 'E':
 670                         exact_error_codes = True;
 671                         break;
 672                 case 'h':
 673                         usage();
 674                         exit(1);
 675                 default:
 676                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 677                         exit(1);
 678                 }
 679         }
 680
 681         if(use_kerberos && !got_user) got_pass = True;
 682
 683         argc -= optind;
 684         argv += optind;
 685
 686         DEBUG(0,("seed=%u\n", seed));
 687         srandom(seed);
 688
 689         test_locks(share);
 690
 691         return(0);
 692 }