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 "dynconfig/dynconfig.h"
  30 #include "libcli/resolve/resolve.h"
  31
  32 static int numops = 1000;
  33 static int showall;
  34 static int analyze;
  35 static int hide_unlock_fails;
  36 static int use_oplocks;
  37 static uint_t lock_range = 100;
  38 static uint_t lock_base = 0;
  39 static uint_t min_length = 0;
  40 static int exact_error_codes;
  41 static int zero_zero;
  42
  43 #define FILENAME "\\locktest.dat"
  44
  45 #define READ_PCT 50
  46 #define LOCK_PCT 45
  47 #define UNLOCK_PCT 70
  48 #define RANGE_MULTIPLE 1
  49 #define NSERVERS 2
  50 #define NCONNECTIONS 2
  51 #define NFILES 2
  52 #define LOCK_TIMEOUT 0
  53
  54 static struct cli_credentials *servers[NSERVERS];
  55
  56 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
  57
  58 struct record {
  59         enum lock_op lock_op;
  60         enum brl_type lock_type;
  61         char conn, f;
  62         uint64_t start, len;
  63         char needed;
  64         uint16_t pid;
  65 };
  66
  67 #define PRESETS 0
  68
  69 #if PRESETS
  70 static struct record preset[] = {
  71 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
  72 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  73 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
  74 {OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
  75 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  76
  77 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  78 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
  79 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  80 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  81
  82 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  83 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
  84 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  85 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  86
  87 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
  88 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
  89 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
  90 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
  91
  92 {OP_LOCK, WRITE_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, WRITE_LOCK, 0, 0, 2, 0, 1},
  98 {OP_LOCK, READ_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 };
 103 #endif
 104
 105 static struct record *recorded;
 106
 107 /*****************************************************
 108 return a connection to a server
 109 *******************************************************/
 110 static struct smbcli_state *connect_one(struct event_context *ev,
 111                                         struct loadparm_context *lp_ctx,
 112                                         TALLOC_CTX *mem_ctx,
 113                                         char *share, int snum, int conn)
 114 {
 115         struct smbcli_state *c;
 116         char *server, *myname;
 117         NTSTATUS status;
 118         int retries = 10;
 119         struct smbcli_options options;
 120         struct smbcli_session_options session_options;
 121
 122         lp_smbcli_options(lp_ctx, &options);
 123         lp_smbcli_session_options(lp_ctx, &session_options);
 124
 125         printf("connect_one(%s, %d, %d)\n", share, snum, conn);
 126
 127         server = talloc_strdup(mem_ctx, share+2);
 128         share = strchr_m(server,'\\');
 129         if (!share) return NULL;
 130         *share = 0;
 131         share++;
 132
 133         if (snum == 0) {
 134                 char **unc_list = NULL;
 135                 int num_unc_names;
 136                 const char *p;
 137                 p = lp_parm_string(lp_ctx, NULL, "torture", "unclist");
 138                 if (p) {
 139                         char *h, *s;
 140                         unc_list = file_lines_load(p, &num_unc_names, 0, NULL);
 141                         if (!unc_list || num_unc_names <= 0) {
 142                                 printf("Failed to load unc names list from '%s'\n", p);
 143                                 exit(1);
 144                         }
 145
 146                         if (!smbcli_parse_unc(unc_list[conn % num_unc_names],
 147                                               NULL, &h, &s)) {
 148                                 printf("Failed to parse UNC name %s\n",
 149                                        unc_list[conn % num_unc_names]);
 150                                 exit(1);
 151                         }
 152                         server = talloc_strdup(mem_ctx, h);
 153                         share = talloc_strdup(mem_ctx, s);
 154                 }
 155         }
 156
 157
 158         myname = talloc_asprintf(mem_ctx, "lock-%u-%u", getpid(), snum);
 159         cli_credentials_set_workstation(servers[snum], myname, CRED_SPECIFIED);
 160
 161         do {
 162                 printf("\\\\%s\\%s\n", server, share);
 163                 status = smbcli_full_connection(NULL, &c,
 164                                                 server,
 165                                                 lp_smb_ports(lp_ctx),
 166                                                 share, NULL,
 167                                                 lp_socket_options(lp_ctx),
 168                                                 servers[snum],
 169                                                 lp_resolve_context(lp_ctx),
 170                                                 ev, &options, &session_options,
 171                                                 lp_iconv_convenience(lp_ctx),
 172                                                 lp_gensec_settings(mem_ctx, lp_ctx));
 173                 if (!NT_STATUS_IS_OK(status)) {
 174                         sleep(2);
 175                 }
 176         } while (!NT_STATUS_IS_OK(status) && retries--);
 177
 178         if (!NT_STATUS_IS_OK(status)) {
 179                 return NULL;
 180         }
 181
 182         return c;
 183 }
 184
 185
 186 static void reconnect(struct event_context *ev,
 187                       struct loadparm_context *lp_ctx,
 188                           TALLOC_CTX *mem_ctx,
 189                       struct smbcli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
 190                       char *share[NSERVERS])
 191 {
 192         int server, conn, f;
 193
 194         for (server=0;server<NSERVERS;server++)
 195         for (conn=0;conn<NCONNECTIONS;conn++) {
 196                 if (cli[server][conn]) {
 197                         for (f=0;f<NFILES;f++) {
 198                                 if (fnum[server][conn][f] != -1) {
 199                                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 200                                         fnum[server][conn][f] = -1;
 201                                 }
 202                         }
 203                         talloc_free(cli[server][conn]);
 204                 }
 205                 cli[server][conn] = connect_one(ev, lp_ctx, mem_ctx, share[server],
 206                                                 server, conn);
 207                 if (!cli[server][conn]) {
 208                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 209                         exit(1);
 210                 }
 211         }
 212 }
 213
 214
 215
 216 static bool test_one(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 217                      int fnum[NSERVERS][NCONNECTIONS][NFILES],
 218                      struct record *rec)
 219 {
 220         uint_t conn = rec->conn;
 221         uint_t f = rec->f;
 222         uint64_t start = rec->start;
 223         uint64_t len = rec->len;
 224         enum brl_type op = rec->lock_type;
 225         int server;
 226         bool ret[NSERVERS];
 227         NTSTATUS status[NSERVERS];
 228
 229         switch (rec->lock_op) {
 230         case OP_LOCK:
 231                 /* set a lock */
 232                 for (server=0;server<NSERVERS;server++) {
 233                         NTSTATUS res;
 234                         struct smbcli_tree *tree=cli[server][conn]->tree;
 235                         int fn=fnum[server][conn][f];
 236
 237                         if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
 238                                 res=smbcli_lock(tree, fn, start, len, LOCK_TIMEOUT, rec->lock_op);
 239                         } else {
 240                                 union smb_lock parms;
 241                                 int ltype;
 242                                 struct smb_lock_entry lock[1];
 243
 244                                 parms.lockx.level = RAW_LOCK_LOCKX;
 245                                 parms.lockx.in.file.fnum = fn;
 246
 247                                 ltype = (rec->lock_op == READ_LOCK? 1 : 0);
 248                                 ltype |= LOCKING_ANDX_LARGE_FILES;
 249                                 parms.lockx.in.mode = ltype;
 250                                 parms.lockx.in.timeout = LOCK_TIMEOUT;
 251                                 parms.lockx.in.ulock_cnt = 0;
 252                                 parms.lockx.in.lock_cnt = 1;
 253                                 lock[0].pid = rec->pid;
 254                                 lock[0].offset = start;
 255                                 lock[0].count = len;
 256                                 parms.lockx.in.locks = &lock[0];
 257
 258                                 res = smb_raw_lock(tree, &parms);
 259                         }
 260
 261                         ret[server] = NT_STATUS_IS_OK(res);
 262                         status[server] = smbcli_nt_error(cli[server][conn]->tree);
 263                         if (!exact_error_codes &&
 264                             NT_STATUS_EQUAL(status[server],
 265                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 266                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 267                         }
 268                 }
 269                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 270                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 271                                conn, f,
 272                                (double)start, (double)len,
 273                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 274                                nt_errstr(status[0]), nt_errstr(status[1]));
 275                 }
 276                 if (!NT_STATUS_EQUAL(status[0],status[1])) return false;
 277                 break;
 278
 279         case OP_UNLOCK:
 280                 /* unset a lock */
 281                 for (server=0;server<NSERVERS;server++) {
 282                         NTSTATUS res;
 283                         struct smbcli_tree *tree=cli[server][conn]->tree;
 284                         int fn=fnum[server][conn][f];
 285
 286
 287                         if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
 288                                 res=smbcli_unlock(tree, fn, start, len);
 289                         } else {
 290                                 union smb_lock parms;
 291                                 struct smb_lock_entry lock[1];
 292
 293                                 parms.lockx.level = RAW_LOCK_LOCKX;
 294                                 parms.lockx.in.file.fnum = fn;
 295                                 parms.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
 296                                 parms.lockx.in.timeout = 0;
 297                                 parms.lockx.in.ulock_cnt = 1;
 298                                 parms.lockx.in.lock_cnt = 0;
 299                                 lock[0].pid = rec->pid;
 300                                 lock[0].count = len;
 301                                 lock[0].offset = start;
 302                                 parms.lockx.in.locks = &lock[0];
 303
 304                                 res = smb_raw_lock(tree, &parms);
 305                         }
 306
 307                         ret[server] = NT_STATUS_IS_OK(res);
 308                         status[server] = smbcli_nt_error(cli[server][conn]->tree);
 309                 }
 310                 if (showall ||
 311                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 312                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 313                                conn, f,
 314                                (double)start, (double)len,
 315                                nt_errstr(status[0]), nt_errstr(status[1]));
 316                 }
 317                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 318                         return false;
 319                 break;
 320
 321         case OP_REOPEN:
 322                 /* reopen the file */
 323                 for (server=0;server<NSERVERS;server++) {
 324                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 325                         fnum[server][conn][f] = -1;
 326                 }
 327                 for (server=0;server<NSERVERS;server++) {
 328                         fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
 329                                                          O_RDWR|O_CREAT,
 330                                                          DENY_NONE);
 331                         if (fnum[server][conn][f] == -1) {
 332                                 printf("failed to reopen on share%d\n", server);
 333                                 return false;
 334                         }
 335                 }
 336                 if (showall) {
 337                         printf("reopen conn=%u f=%u\n",
 338                                conn, f);
 339                 }
 340                 break;
 341         }
 342
 343         return true;
 344 }
 345
 346 static void close_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 347                         int fnum[NSERVERS][NCONNECTIONS][NFILES])
 348 {
 349         int server, conn, f;
 350
 351         for (server=0;server<NSERVERS;server++)
 352         for (conn=0;conn<NCONNECTIONS;conn++)
 353         for (f=0;f<NFILES;f++) {
 354                 if (fnum[server][conn][f] != -1) {
 355                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 356                         fnum[server][conn][f] = -1;
 357                 }
 358         }
 359         for (server=0;server<NSERVERS;server++) {
 360                 smbcli_unlink(cli[server][0]->tree, FILENAME);
 361         }
 362 }
 363
 364 static void open_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 365                        int 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                 fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
 373                                                  O_RDWR|O_CREAT,
 374                                                  DENY_NONE);
 375                 if (fnum[server][conn][f] == -1) {
 376                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 377                                 server, conn, f);
 378                         exit(1);
 379                 }
 380         }
 381 }
 382
 383
 384 static int retest(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 385                    int fnum[NSERVERS][NCONNECTIONS][NFILES],
 386                    int n)
 387 {
 388         int i;
 389         printf("testing %u ...\n", n);
 390         for (i=0; i<n; i++) {
 391                 if (i && i % 100 == 0) {
 392                         printf("%u\n", i);
 393                 }
 394
 395                 if (recorded[i].needed &&
 396                     !test_one(cli, fnum, &recorded[i])) return i;
 397         }
 398         return n;
 399 }
 400
 401
 402 /* each server has two connections open to it. Each connection has two file
 403    descriptors open on the file - 8 file descriptors in total
 404
 405    we then do random locking ops in tamdem on the 4 fnums from each
 406    server and ensure that the results match
 407  */
 408 static int test_locks(struct event_context *ev,
 409                       struct loadparm_context *lp_ctx,
 410                           TALLOC_CTX *mem_ctx,
 411                       char *share[NSERVERS])
 412 {
 413         struct smbcli_state *cli[NSERVERS][NCONNECTIONS];
 414         int fnum[NSERVERS][NCONNECTIONS][NFILES];
 415         int n, i, n1, skip, r1, r2;
 416
 417         ZERO_STRUCT(fnum);
 418         ZERO_STRUCT(cli);
 419
 420         recorded = malloc_array_p(struct record, numops);
 421
 422         for (n=0; n<numops; n++) {
 423 #if PRESETS
 424                 if (n < sizeof(preset) / sizeof(preset[0])) {
 425                         recorded[n] = preset[n];
 426                 } else {
 427 #endif
 428                         recorded[n].conn = random() % NCONNECTIONS;
 429                         recorded[n].f = random() % NFILES;
 430                         recorded[n].start = lock_base + ((uint_t)random() % (lock_range-1));
 431                         recorded[n].len =  min_length +
 432                                 random() % (lock_range-(recorded[n].start-lock_base));
 433                         recorded[n].start *= RANGE_MULTIPLE;
 434                         recorded[n].len *= RANGE_MULTIPLE;
 435                         recorded[n].pid = random()%3;
 436                         if (recorded[n].pid == 2) {
 437                                 recorded[n].pid = 0xFFFF; /* see if its magic */
 438                         }
 439                         r1 = random() % 100;
 440                         r2 = random() % 100;
 441                         if (r1 < READ_PCT) {
 442                                 recorded[n].lock_type = READ_LOCK;
 443                         } else {
 444                                 recorded[n].lock_type = WRITE_LOCK;
 445                         }
 446                         if (r2 < LOCK_PCT) {
 447                                 recorded[n].lock_op = OP_LOCK;
 448                         } else if (r2 < UNLOCK_PCT) {
 449                                 recorded[n].lock_op = OP_UNLOCK;
 450                         } else {
 451                                 recorded[n].lock_op = OP_REOPEN;
 452                         }
 453                         recorded[n].needed = true;
 454                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 455                                 recorded[n].len = 1;
 456                         }
 457 #if PRESETS
 458                 }
 459 #endif
 460         }
 461
 462         reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 463         open_files(cli, fnum);
 464         n = retest(cli, fnum, numops);
 465
 466         if (n == numops || !analyze) {
 467                 if (n != numops) {
 468                         return 1;
 469                 }
 470                 return 0;
 471         }
 472         n++;
 473
 474         skip = n/2;
 475
 476         while (1) {
 477                 n1 = n;
 478
 479                 close_files(cli, fnum);
 480                 reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 481                 open_files(cli, fnum);
 482
 483                 for (i=0;i<n-skip;i+=skip) {
 484                         int m, j;
 485                         printf("excluding %d-%d\n", i, i+skip-1);
 486                         for (j=i;j<i+skip;j++) {
 487                                 recorded[j].needed = false;
 488                         }
 489
 490                         close_files(cli, fnum);
 491                         open_files(cli, fnum);
 492
 493                         m = retest(cli, fnum, n);
 494                         if (m == n) {
 495                                 for (j=i;j<i+skip;j++) {
 496                                         recorded[j].needed = true;
 497                                 }
 498                         } else {
 499                                 if (i+(skip-1) < m) {
 500                                         memmove(&recorded[i], &recorded[i+skip],
 501                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 502                                 }
 503                                 n = m-(skip-1);
 504                                 i--;
 505                         }
 506                 }
 507
 508                 if (skip > 1) {
 509                         skip = skip/2;
 510                         printf("skip=%d\n", skip);
 511                         continue;
 512                 }
 513
 514                 if (n1 == n) break;
 515         }
 516
 517         close_files(cli, fnum);
 518         reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 519         open_files(cli, fnum);
 520         showall = true;
 521         n1 = retest(cli, fnum, n);
 522         if (n1 != n-1) {
 523                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 524         }
 525         close_files(cli, fnum);
 526
 527         for (i=0;i<n;i++) {
 528                 printf("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
 529                        recorded[i].lock_op,
 530                        recorded[i].lock_type,
 531                        recorded[i].conn,
 532                        recorded[i].f,
 533                        (double)recorded[i].start,
 534                        (double)recorded[i].len,
 535                        recorded[i].needed);
 536         }
 537
 538         return 1;
 539 }
 540
 541
 542
 543 static void usage(poptContext pc)
 544 {
 545         printf("Usage:\n\tlocktest //server1/share1 //server2/share2 [options..]\n");
 546         poptPrintUsage(pc, stdout, 0);
 547 }
 548
 549 /****************************************************************************
 550   main program
 551 ****************************************************************************/
 552  int main(int argc,char *argv[])
 553 {
 554         char *share[NSERVERS];
 555         int opt;
 556         int seed, server;
 557         int username_count=0;
 558         struct event_context *ev;
 559         struct loadparm_context *lp_ctx;
 560         poptContext pc;
 561         int argc_new, i;
 562         char **argv_new;
 563         enum {OPT_UNCLIST=1000};
 564         struct poptOption long_options[] = {
 565                 POPT_AUTOHELP
 566                 {"seed",          0, POPT_ARG_INT,  &seed,      0,      "Seed to use for randomizer",   NULL},
 567                 {"num-ops",       0, POPT_ARG_INT,  &numops,    0,      "num ops",      NULL},
 568                 {"lockrange",     0, POPT_ARG_INT,  &lock_range,0,      "locking range", NULL},
 569                 {"lockbase",      0, POPT_ARG_INT,  &lock_base, 0,      "locking base", NULL},
 570                 {"minlength",     0, POPT_ARG_INT,  &min_length,0,      "min lock length", NULL},
 571                 {"hidefails",     0, POPT_ARG_NONE, &hide_unlock_fails,0,"hide unlock fails", NULL},
 572                 {"oplocks",       0, POPT_ARG_NONE, &use_oplocks,0,      "use oplocks", NULL},
 573                 {"showall",       0, POPT_ARG_NONE, &showall,    0,      "display all operations", NULL},
 574                 {"analyse",       0, POPT_ARG_NONE, &analyze,    0,      "do backtrack analysis", NULL},
 575                 {"zerozero",      0, POPT_ARG_NONE, &zero_zero,    0,      "do zero/zero lock", NULL},
 576                 {"exacterrors",   0, POPT_ARG_NONE, &exact_error_codes,0,"use exact error codes", NULL},
 577                 {"unclist",       0, POPT_ARG_STRING,   NULL,   OPT_UNCLIST,    "unclist",      NULL},
 578                 { "user", 'U',       POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
 579                 POPT_COMMON_SAMBA
 580                 POPT_COMMON_CONNECTION
 581                 POPT_COMMON_CREDENTIALS
 582                 POPT_COMMON_VERSION
 583                 { NULL }
 584         };
 585
 586         setlinebuf(stdout);
 587         seed = time(NULL);
 588
 589         pc = poptGetContext("locktest", argc, (const char **) argv, long_options,
 590                             POPT_CONTEXT_KEEP_FIRST);
 591
 592         poptSetOtherOptionHelp(pc, "<unc1> <unc2>");
 593
 594         lp_ctx = cmdline_lp_ctx;
 595         servers[0] = cli_credentials_init(talloc_autofree_context());
 596         servers[1] = cli_credentials_init(talloc_autofree_context());
 597         cli_credentials_guess(servers[0], lp_ctx);
 598         cli_credentials_guess(servers[1], lp_ctx);
 599
 600         while((opt = poptGetNextOpt(pc)) != -1) {
 601                 switch (opt) {
 602                 case OPT_UNCLIST:
 603                         lp_set_cmdline(cmdline_lp_ctx, "torture:unclist", poptGetOptArg(pc));
 604                         break;
 605                 case 'U':
 606                         if (username_count == 2) {
 607                                 usage(pc);
 608                                 exit(1);
 609                         }
 610                         cli_credentials_parse_string(servers[username_count], poptGetOptArg(pc), CRED_SPECIFIED);
 611                         username_count++;
 612                         break;
 613                 }
 614         }
 615
 616         argv_new = discard_const_p(char *, poptGetArgs(pc));
 617         argc_new = argc;
 618         for (i=0; i<argc; i++) {
 619                 if (argv_new[i] == NULL) {
 620                         argc_new = i;
 621                         break;
 622                 }
 623         }
 624
 625         if (!(argc_new >= 3)) {
 626                 usage(pc);
 627                 exit(1);
 628         }
 629
 630         setup_logging("locktest", DEBUG_STDOUT);
 631
 632         for (server=0;server<NSERVERS;server++) {
 633                 share[server] = argv_new[1+server];
 634                 all_string_sub(share[server],"/","\\",0);
 635         }
 636
 637         lp_ctx = cmdline_lp_ctx;
 638
 639         if (username_count == 0) {
 640                 usage(pc);
 641                 return -1;
 642         }
 643         if (username_count == 1) {
 644                 servers[1] = servers[0];
 645         }
 646
 647         ev = s4_event_context_init(talloc_autofree_context());
 648
 649         gensec_init(lp_ctx);
 650
 651         DEBUG(0,("seed=%u base=%d range=%d min_length=%d\n",
 652                  seed, lock_base, lock_range, min_length));
 653         srandom(seed);
 654
 655         return test_locks(ev, lp_ctx, NULL, share);
 656 }
 657