source4/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 "lib/cmdline/popt_common.h"
  22 #include "lib/events/events.h"
  23 #include "system/filesys.h"
  24 #include "system/time.h"
  25 #include "auth/credentials/credentials.h"
  26 #include "auth/gensec/gensec.h"
  27 #include "libcli/libcli.h"
  28 #include "param/param.h"
  29 #include "libcli/resolve/resolve.h"
  30
  31 static int numops = 1000;
  32 static int showall;
  33 static int analyze;
  34 static int hide_unlock_fails;
  35 static int use_oplocks;
  36 static uint_t lock_range = 100;
  37 static uint_t lock_base = 0;
  38 static uint_t min_length = 0;
  39 static int exact_error_codes;
  40 static int zero_zero;
  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 static struct cli_credentials *servers[NSERVERS];
  54
  55 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  56
  57 struct record {
  58         enum lock_op lock_op;
  59         enum brl_type lock_type;
  60         char conn, f;
  61         uint64_t start, len;
  62         char needed;
  63         uint16_t pid;
  64 };
  65
  66 #define PRESETS 0
  67
  68 #if PRESETS
  69 static struct record preset[] = {
  70 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  71 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  72 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  73 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  74 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  75
  76 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  77 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  78 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  79 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  80
  81 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  82 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  83 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 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, WRITE_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, WRITE_LOCK, 0, 0, 2, 0, 1},
  92 {OP_LOCK, READ_LOCK, 0, 0, 1, 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, WRITE_LOCK, 0, 0, 2, 0, 1},
  97 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
  98 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  99 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
 100
 101 };
 102 #endif
 103
 104 static struct record *recorded;
 105
 106 /*****************************************************
 107 return a connection to a server
 108 *******************************************************/
 109 static struct smbcli_state *connect_one(struct tevent_context *ev,
 110                                         struct loadparm_context *lp_ctx,
 111                                         TALLOC_CTX *mem_ctx,
 112                                         char *share, int snum, int conn)
 113 {
 114         struct smbcli_state *c;
 115         char *server, *myname;
 116         NTSTATUS status;
 117         int retries = 10;
 118         struct smbcli_options options;
 119         struct smbcli_session_options session_options;
 120
 121         lp_smbcli_options(lp_ctx, &options);
 122         lp_smbcli_session_options(lp_ctx, &session_options);
 123
 124         printf("connect_one(%s, %d, %d)\n", share, snum, conn);
 125
 126         server = talloc_strdup(mem_ctx, share+2);
 127         share = strchr_m(server,'\\');
 128         if (!share) return NULL;
 129         *share = 0;
 130         share++;
 131
 132         if (snum == 0) {
 133                 char **unc_list = NULL;
 134                 int num_unc_names;
 135                 const char *p;
 136                 p = lp_parm_string(lp_ctx, NULL, "torture", "unclist");
 137                 if (p) {
 138                         char *h, *s;
 139                         unc_list = file_lines_load(p, &num_unc_names, 0, NULL);
 140                         if (!unc_list || num_unc_names <= 0) {
 141                                 printf("Failed to load unc names list from '%s'\n", p);
 142                                 exit(1);
 143                         }
 144
 145                         if (!smbcli_parse_unc(unc_list[conn % num_unc_names],
 146                                               NULL, &h, &s)) {
 147                                 printf("Failed to parse UNC name %s\n",
 148                                        unc_list[conn % num_unc_names]);
 149                                 exit(1);
 150                         }
 151                         server = talloc_strdup(mem_ctx, h);
 152                         share = talloc_strdup(mem_ctx, s);
 153                 }
 154         }
 155
 156
 157         myname = talloc_asprintf(mem_ctx, "lock-%u-%u", getpid(), snum);
 158         cli_credentials_set_workstation(servers[snum], myname, CRED_SPECIFIED);
 159
 160         do {
 161                 printf("\\\\%s\\%s\n", server, share);
 162                 status = smbcli_full_connection(NULL, &c,
 163                                                 server,
 164                                                 lp_smb_ports(lp_ctx),
 165                                                 share, NULL,
 166                                                 lp_socket_options(lp_ctx),
 167                                                 servers[snum],
 168                                                 lp_resolve_context(lp_ctx),
 169                                                 ev, &options, &session_options,
 170                                                 lp_iconv_convenience(lp_ctx),
 171                                                 lp_gensec_settings(mem_ctx, lp_ctx));
 172                 if (!NT_STATUS_IS_OK(status)) {
 173                         sleep(2);
 174                 }
 175         } while (!NT_STATUS_IS_OK(status) && retries--);
 176
 177         if (!NT_STATUS_IS_OK(status)) {
 178                 return NULL;
 179         }
 180
 181         return c;
 182 }
 183
 184
 185 static void reconnect(struct tevent_context *ev,
 186                       struct loadparm_context *lp_ctx,
 187                           TALLOC_CTX *mem_ctx,
 188                       struct smbcli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
 189                       char *share[NSERVERS])
 190 {
 191         int server, conn, f;
 192
 193         for (server=0;server<NSERVERS;server++)
 194         for (conn=0;conn<NCONNECTIONS;conn++) {
 195                 if (cli[server][conn]) {
 196                         for (f=0;f<NFILES;f++) {
 197                                 if (fnum[server][conn][f] != -1) {
 198                                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 199                                         fnum[server][conn][f] = -1;
 200                                 }
 201                         }
 202                         talloc_free(cli[server][conn]);
 203                 }
 204                 cli[server][conn] = connect_one(ev, lp_ctx, mem_ctx, share[server],
 205                                                 server, conn);
 206                 if (!cli[server][conn]) {
 207                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 208                         exit(1);
 209                 }
 210         }
 211 }
 212
 213
 214
 215 static bool test_one(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 216                      int fnum[NSERVERS][NCONNECTIONS][NFILES],
 217                      struct record *rec)
 218 {
 219         uint_t conn = rec->conn;
 220         uint_t f = rec->f;
 221         uint64_t start = rec->start;
 222         uint64_t len = rec->len;
 223         enum brl_type op = rec->lock_type;
 224         int server;
 225         bool ret[NSERVERS];
 226         NTSTATUS status[NSERVERS];
 227
 228         switch (rec->lock_op) {
 229         case OP_LOCK:
 230                 /* set a lock */
 231                 for (server=0;server<NSERVERS;server++) {
 232                         NTSTATUS res;
 233                         struct smbcli_tree *tree=cli[server][conn]->tree;
 234                         int fn=fnum[server][conn][f];
 235
 236                         if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
 237                                 res=smbcli_lock(tree, fn, start, len, LOCK_TIMEOUT, rec->lock_op);
 238                         } else {
 239                                 union smb_lock parms;
 240                                 int ltype;
 241                                 struct smb_lock_entry lock[1];
 242
 243                                 parms.lockx.level = RAW_LOCK_LOCKX;
 244                                 parms.lockx.in.file.fnum = fn;
 245
 246                                 ltype = (rec->lock_op == READ_LOCK? 1 : 0);
 247                                 ltype |= LOCKING_ANDX_LARGE_FILES;
 248                                 parms.lockx.in.mode = ltype;
 249                                 parms.lockx.in.timeout = LOCK_TIMEOUT;
 250                                 parms.lockx.in.ulock_cnt = 0;
 251                                 parms.lockx.in.lock_cnt = 1;
 252                                 lock[0].pid = rec->pid;
 253                                 lock[0].offset = start;
 254                                 lock[0].count = len;
 255                                 parms.lockx.in.locks = &lock[0];
 256
 257                                 res = smb_raw_lock(tree, &parms);
 258                         }
 259
 260                         ret[server] = NT_STATUS_IS_OK(res);
 261                         status[server] = smbcli_nt_error(cli[server][conn]->tree);
 262                         if (!exact_error_codes &&
 263                             NT_STATUS_EQUAL(status[server],
 264                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 265                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 266                         }
 267                 }
 268                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 269                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 270                                conn, f,
 271                                (double)start, (double)len,
 272                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 273                                nt_errstr(status[0]), nt_errstr(status[1]));
 274                 }
 275                 if (!NT_STATUS_EQUAL(status[0],status[1])) return false;
 276                 break;
 277
 278         case OP_UNLOCK:
 279                 /* unset a lock */
 280                 for (server=0;server<NSERVERS;server++) {
 281                         NTSTATUS res;
 282                         struct smbcli_tree *tree=cli[server][conn]->tree;
 283                         int fn=fnum[server][conn][f];
 284
 285
 286                         if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
 287                                 res=smbcli_unlock(tree, fn, start, len);
 288                         } else {
 289                                 union smb_lock parms;
 290                                 struct smb_lock_entry lock[1];
 291
 292                                 parms.lockx.level = RAW_LOCK_LOCKX;
 293                                 parms.lockx.in.file.fnum = fn;
 294                                 parms.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
 295                                 parms.lockx.in.timeout = 0;
 296                                 parms.lockx.in.ulock_cnt = 1;
 297                                 parms.lockx.in.lock_cnt = 0;
 298                                 lock[0].pid = rec->pid;
 299                                 lock[0].count = len;
 300                                 lock[0].offset = start;
 301                                 parms.lockx.in.locks = &lock[0];
 302
 303                                 res = smb_raw_lock(tree, &parms);
 304                         }
 305
 306                         ret[server] = NT_STATUS_IS_OK(res);
 307                         status[server] = smbcli_nt_error(cli[server][conn]->tree);
 308                 }
 309                 if (showall ||
 310                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 311                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 312                                conn, f,
 313                                (double)start, (double)len,
 314                                nt_errstr(status[0]), nt_errstr(status[1]));
 315                 }
 316                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 317                         return false;
 318                 break;
 319
 320         case OP_REOPEN:
 321                 /* reopen the file */
 322                 for (server=0;server<NSERVERS;server++) {
 323                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 324                         fnum[server][conn][f] = -1;
 325                 }
 326                 for (server=0;server<NSERVERS;server++) {
 327                         fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
 328                                                          O_RDWR|O_CREAT,
 329                                                          DENY_NONE);
 330                         if (fnum[server][conn][f] == -1) {
 331                                 printf("failed to reopen on share%d\n", server);
 332                                 return false;
 333                         }
 334                 }
 335                 if (showall) {
 336                         printf("reopen conn=%u f=%u\n",
 337                                conn, f);
 338                 }
 339                 break;
 340         }
 341
 342         return true;
 343 }
 344
 345 static void close_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 346                         int fnum[NSERVERS][NCONNECTIONS][NFILES])
 347 {
 348         int server, conn, f;
 349
 350         for (server=0;server<NSERVERS;server++)
 351         for (conn=0;conn<NCONNECTIONS;conn++)
 352         for (f=0;f<NFILES;f++) {
 353                 if (fnum[server][conn][f] != -1) {
 354                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 355                         fnum[server][conn][f] = -1;
 356                 }
 357         }
 358         for (server=0;server<NSERVERS;server++) {
 359                 smbcli_unlink(cli[server][0]->tree, FILENAME);
 360         }
 361 }
 362
 363 static void open_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 364                        int fnum[NSERVERS][NCONNECTIONS][NFILES])
 365 {
 366         int server, conn, f;
 367
 368         for (server=0;server<NSERVERS;server++)
 369         for (conn=0;conn<NCONNECTIONS;conn++)
 370         for (f=0;f<NFILES;f++) {
 371                 fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
 372                                                  O_RDWR|O_CREAT,
 373                                                  DENY_NONE);
 374                 if (fnum[server][conn][f] == -1) {
 375                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 376                                 server, conn, f);
 377                         exit(1);
 378                 }
 379         }
 380 }
 381
 382
 383 static int retest(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 384                    int fnum[NSERVERS][NCONNECTIONS][NFILES],
 385                    int n)
 386 {
 387         int i;
 388         printf("testing %u ...\n", n);
 389         for (i=0; i<n; i++) {
 390                 if (i && i % 100 == 0) {
 391                         printf("%u\n", i);
 392                 }
 393
 394                 if (recorded[i].needed &&
 395                     !test_one(cli, fnum, &recorded[i])) return i;
 396         }
 397         return n;
 398 }
 399
 400
 401 /* each server has two connections open to it. Each connection has two file
 402    descriptors open on the file - 8 file descriptors in total
 403
 404    we then do random locking ops in tamdem on the 4 fnums from each
 405    server and ensure that the results match
 406  */
 407 static int test_locks(struct tevent_context *ev,
 408                       struct loadparm_context *lp_ctx,
 409                           TALLOC_CTX *mem_ctx,
 410                       char *share[NSERVERS])
 411 {
 412         struct smbcli_state *cli[NSERVERS][NCONNECTIONS];
 413         int fnum[NSERVERS][NCONNECTIONS][NFILES];
 414         int n, i, n1, skip, r1, r2;
 415
 416         ZERO_STRUCT(fnum);
 417         ZERO_STRUCT(cli);
 418
 419         recorded = malloc_array_p(struct record, numops);
 420
 421         for (n=0; n<numops; n++) {
 422 #if PRESETS
 423                 if (n < sizeof(preset) / sizeof(preset[0])) {
 424                         recorded[n] = preset[n];
 425                 } else {
 426 #endif
 427                         recorded[n].conn = random() % NCONNECTIONS;
 428                         recorded[n].f = random() % NFILES;
 429                         recorded[n].start = lock_base + ((uint_t)random() % (lock_range-1));
 430                         recorded[n].len =  min_length +
 431                                 random() % (lock_range-(recorded[n].start-lock_base));
 432                         recorded[n].start *= RANGE_MULTIPLE;
 433                         recorded[n].len *= RANGE_MULTIPLE;
 434                         recorded[n].pid = random()%3;
 435                         if (recorded[n].pid == 2) {
 436                                 recorded[n].pid = 0xFFFF; /* see if its magic */
 437                         }
 438                         r1 = random() % 100;
 439                         r2 = random() % 100;
 440                         if (r1 < READ_PCT) {
 441                                 recorded[n].lock_type = READ_LOCK;
 442                         } else {
 443                                 recorded[n].lock_type = WRITE_LOCK;
 444                         }
 445                         if (r2 < LOCK_PCT) {
 446                                 recorded[n].lock_op = OP_LOCK;
 447                         } else if (r2 < UNLOCK_PCT) {
 448                                 recorded[n].lock_op = OP_UNLOCK;
 449                         } else {
 450                                 recorded[n].lock_op = OP_REOPEN;
 451                         }
 452                         recorded[n].needed = true;
 453                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 454                                 recorded[n].len = 1;
 455                         }
 456 #if PRESETS
 457                 }
 458 #endif
 459         }
 460
 461         reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 462         open_files(cli, fnum);
 463         n = retest(cli, fnum, numops);
 464
 465         if (n == numops || !analyze) {
 466                 if (n != numops) {
 467                         return 1;
 468                 }
 469                 return 0;
 470         }
 471         n++;
 472
 473         skip = n/2;
 474
 475         while (1) {
 476                 n1 = n;
 477
 478                 close_files(cli, fnum);
 479                 reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 480                 open_files(cli, fnum);
 481
 482                 for (i=0;i<n-skip;i+=skip) {
 483                         int m, j;
 484                         printf("excluding %d-%d\n", i, i+skip-1);
 485                         for (j=i;j<i+skip;j++) {
 486                                 recorded[j].needed = false;
 487                         }
 488
 489                         close_files(cli, fnum);
 490                         open_files(cli, fnum);
 491
 492                         m = retest(cli, fnum, n);
 493                         if (m == n) {
 494                                 for (j=i;j<i+skip;j++) {
 495                                         recorded[j].needed = true;
 496                                 }
 497                         } else {
 498                                 if (i+(skip-1) < m) {
 499                                         memmove(&recorded[i], &recorded[i+skip],
 500                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 501                                 }
 502                                 n = m-(skip-1);
 503                                 i--;
 504                         }
 505                 }
 506
 507                 if (skip > 1) {
 508                         skip = skip/2;
 509                         printf("skip=%d\n", skip);
 510                         continue;
 511                 }
 512
 513                 if (n1 == n) break;
 514         }
 515
 516         close_files(cli, fnum);
 517         reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 518         open_files(cli, fnum);
 519         showall = true;
 520         n1 = retest(cli, fnum, n);
 521         if (n1 != n-1) {
 522                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 523         }
 524         close_files(cli, fnum);
 525
 526         for (i=0;i<n;i++) {
 527                 printf("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
 528                        recorded[i].lock_op,
 529                        recorded[i].lock_type,
 530                        recorded[i].conn,
 531                        recorded[i].f,
 532                        (double)recorded[i].start,
 533                        (double)recorded[i].len,
 534                        recorded[i].needed);
 535         }
 536
 537         return 1;
 538 }
 539
 540
 541
 542 static void usage(poptContext pc)
 543 {
 544         printf("Usage:\n\tlocktest //server1/share1 //server2/share2 [options..]\n");
 545         poptPrintUsage(pc, stdout, 0);
 546 }
 547
 548 /****************************************************************************
 549   main program
 550 ****************************************************************************/
 551  int main(int argc,char *argv[])
 552 {
 553         char *share[NSERVERS];
 554         int opt;
 555         int seed, server;
 556         int username_count=0;
 557         struct tevent_context *ev;
 558         struct loadparm_context *lp_ctx;
 559         poptContext pc;
 560         int argc_new, i;
 561         char **argv_new;
 562         enum {OPT_UNCLIST=1000};
 563         struct poptOption long_options[] = {
 564                 POPT_AUTOHELP
 565                 {"seed",          0, POPT_ARG_INT,  &seed,      0,      "Seed to use for randomizer",   NULL},
 566                 {"num-ops",       0, POPT_ARG_INT,  &numops,    0,      "num ops",      NULL},
 567                 {"lockrange",     0, POPT_ARG_INT,  &lock_range,0,      "locking range", NULL},
 568                 {"lockbase",      0, POPT_ARG_INT,  &lock_base, 0,      "locking base", NULL},
 569                 {"minlength",     0, POPT_ARG_INT,  &min_length,0,      "min lock length", NULL},
 570                 {"hidefails",     0, POPT_ARG_NONE, &hide_unlock_fails,0,"hide unlock fails", NULL},
 571                 {"oplocks",       0, POPT_ARG_NONE, &use_oplocks,0,      "use oplocks", NULL},
 572                 {"showall",       0, POPT_ARG_NONE, &showall,    0,      "display all operations", NULL},
 573                 {"analyse",       0, POPT_ARG_NONE, &analyze,    0,      "do backtrack analysis", NULL},
 574                 {"zerozero",      0, POPT_ARG_NONE, &zero_zero,    0,      "do zero/zero lock", NULL},
 575                 {"exacterrors",   0, POPT_ARG_NONE, &exact_error_codes,0,"use exact error codes", NULL},
 576                 {"unclist",       0, POPT_ARG_STRING,   NULL,   OPT_UNCLIST,    "unclist",      NULL},
 577                 { "user", 'U',       POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
 578                 POPT_COMMON_SAMBA
 579                 POPT_COMMON_CONNECTION
 580                 POPT_COMMON_CREDENTIALS
 581                 POPT_COMMON_VERSION
 582                 { NULL }
 583         };
 584
 585         setlinebuf(stdout);
 586         seed = time(NULL);
 587
 588         pc = poptGetContext("locktest", argc, (const char **) argv, long_options,
 589                             POPT_CONTEXT_KEEP_FIRST);
 590
 591         poptSetOtherOptionHelp(pc, "<unc1> <unc2>");
 592
 593         lp_ctx = cmdline_lp_ctx;
 594         servers[0] = cli_credentials_init(talloc_autofree_context());
 595         servers[1] = cli_credentials_init(talloc_autofree_context());
 596         cli_credentials_guess(servers[0], lp_ctx);
 597         cli_credentials_guess(servers[1], lp_ctx);
 598
 599         while((opt = poptGetNextOpt(pc)) != -1) {
 600                 switch (opt) {
 601                 case OPT_UNCLIST:
 602                         lp_set_cmdline(cmdline_lp_ctx, "torture:unclist", poptGetOptArg(pc));
 603                         break;
 604                 case 'U':
 605                         if (username_count == 2) {
 606                                 usage(pc);
 607                                 exit(1);
 608                         }
 609                         cli_credentials_parse_string(servers[username_count], poptGetOptArg(pc), CRED_SPECIFIED);
 610                         username_count++;
 611                         break;
 612                 }
 613         }
 614
 615         argv_new = discard_const_p(char *, poptGetArgs(pc));
 616         argc_new = argc;
 617         for (i=0; i<argc; i++) {
 618                 if (argv_new[i] == NULL) {
 619                         argc_new = i;
 620                         break;
 621                 }
 622         }
 623
 624         if (!(argc_new >= 3)) {
 625                 usage(pc);
 626                 exit(1);
 627         }
 628
 629         setup_logging("locktest", DEBUG_STDOUT);
 630
 631         for (server=0;server<NSERVERS;server++) {
 632                 share[server] = argv_new[1+server];
 633                 all_string_sub(share[server],"/","\\",0);
 634         }
 635
 636         lp_ctx = cmdline_lp_ctx;
 637
 638         if (username_count == 0) {
 639                 usage(pc);
 640                 return -1;
 641         }
 642         if (username_count == 1) {
 643                 servers[1] = servers[0];
 644         }
 645
 646         ev = s4_event_context_init(talloc_autofree_context());
 647
 648         gensec_init(lp_ctx);
 649
 650         DEBUG(0,("seed=%u base=%d range=%d min_length=%d\n",
 651                  seed, lock_base, lock_range, min_length));
 652         srandom(seed);
 653
 654         return test_locks(ev, lp_ctx, NULL, share);
 655 }
 656