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 unsigned int lock_range = 100;
  37 static unsigned int lock_base = 0;
  38 static unsigned int 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         lpcfg_smbcli_options(lp_ctx, &options);
 122         lpcfg_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 = lpcfg_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-%d-%d", (int) 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                                                 lpcfg_smb_ports(lp_ctx),
 165                                                 share, NULL,
 166                                                 lpcfg_socket_options(lp_ctx),
 167                                                 servers[snum],
 168                                                 lpcfg_resolve_context(lp_ctx),
 169                                                 ev, &options, &session_options,
 170                                                 lpcfg_gensec_settings(mem_ctx, lp_ctx));
 171                 if (!NT_STATUS_IS_OK(status)) {
 172                         sleep(2);
 173                 }
 174         } while (!NT_STATUS_IS_OK(status) && retries--);
 175
 176         if (!NT_STATUS_IS_OK(status)) {
 177                 return NULL;
 178         }
 179
 180         return c;
 181 }
 182
 183
 184 static void reconnect(struct tevent_context *ev,
 185                       struct loadparm_context *lp_ctx,
 186                           TALLOC_CTX *mem_ctx,
 187                       struct smbcli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
 188                       char *share[NSERVERS])
 189 {
 190         int server, conn, f;
 191
 192         for (server=0;server<NSERVERS;server++)
 193         for (conn=0;conn<NCONNECTIONS;conn++) {
 194                 if (cli[server][conn]) {
 195                         for (f=0;f<NFILES;f++) {
 196                                 if (fnum[server][conn][f] != -1) {
 197                                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 198                                         fnum[server][conn][f] = -1;
 199                                 }
 200                         }
 201                         talloc_free(cli[server][conn]);
 202                 }
 203                 cli[server][conn] = connect_one(ev, lp_ctx, mem_ctx, share[server],
 204                                                 server, conn);
 205                 if (!cli[server][conn]) {
 206                         DEBUG(0,("Failed to connect to %s\n", share[server]));
 207                         exit(1);
 208                 }
 209         }
 210 }
 211
 212
 213
 214 static bool test_one(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 215                      int fnum[NSERVERS][NCONNECTIONS][NFILES],
 216                      struct record *rec)
 217 {
 218         unsigned int conn = rec->conn;
 219         unsigned int f = rec->f;
 220         uint64_t start = rec->start;
 221         uint64_t len = rec->len;
 222         enum brl_type op = rec->lock_type;
 223         int server;
 224         /* bool ret[NSERVERS]; */
 225         NTSTATUS status[NSERVERS];
 226
 227         switch (rec->lock_op) {
 228         case OP_LOCK:
 229                 /* set a lock */
 230                 for (server=0;server<NSERVERS;server++) {
 231                         NTSTATUS res;
 232                         struct smbcli_tree *tree=cli[server][conn]->tree;
 233                         int fn=fnum[server][conn][f];
 234
 235                         if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
 236                                 res=smbcli_lock(tree, fn, start, len, LOCK_TIMEOUT, (enum brl_type) rec->lock_op);
 237                         } else {
 238                                 union smb_lock parms;
 239                                 int ltype;
 240                                 struct smb_lock_entry lock[1];
 241
 242                                 parms.lockx.level = RAW_LOCK_LOCKX;
 243                                 parms.lockx.in.file.fnum = fn;
 244
 245                                 ltype = (rec->lock_type == READ_LOCK? 1 : 0);
 246                                 ltype |= LOCKING_ANDX_LARGE_FILES;
 247                                 parms.lockx.in.mode = ltype;
 248                                 parms.lockx.in.timeout = LOCK_TIMEOUT;
 249                                 parms.lockx.in.ulock_cnt = 0;
 250                                 parms.lockx.in.lock_cnt = 1;
 251                                 lock[0].pid = rec->pid;
 252                                 lock[0].offset = start;
 253                                 lock[0].count = len;
 254                                 parms.lockx.in.locks = &lock[0];
 255
 256                                 res = smb_raw_lock(tree, &parms);
 257                         }
 258
 259                         /* ret[server] = NT_STATUS_IS_OK(res); */
 260                         status[server] = res;
 261                         if (!exact_error_codes &&
 262                             NT_STATUS_EQUAL(status[server],
 263                                             NT_STATUS_FILE_LOCK_CONFLICT)) {
 264                                 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
 265                         }
 266                 }
 267                 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
 268                         printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
 269                                conn, f,
 270                                (double)start, (double)len,
 271                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
 272                                nt_errstr(status[0]), nt_errstr(status[1]));
 273                 }
 274                 if (!NT_STATUS_EQUAL(status[0],status[1])) return false;
 275                 break;
 276
 277         case OP_UNLOCK:
 278                 /* unset a lock */
 279                 for (server=0;server<NSERVERS;server++) {
 280                         NTSTATUS res;
 281                         struct smbcli_tree *tree=cli[server][conn]->tree;
 282                         int fn=fnum[server][conn][f];
 283
 284
 285                         if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
 286                                 res=smbcli_unlock(tree, fn, start, len);
 287                         } else {
 288                                 union smb_lock parms;
 289                                 struct smb_lock_entry lock[1];
 290
 291                                 parms.lockx.level = RAW_LOCK_LOCKX;
 292                                 parms.lockx.in.file.fnum = fn;
 293                                 parms.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
 294                                 parms.lockx.in.timeout = 0;
 295                                 parms.lockx.in.ulock_cnt = 1;
 296                                 parms.lockx.in.lock_cnt = 0;
 297                                 lock[0].pid = rec->pid;
 298                                 lock[0].count = len;
 299                                 lock[0].offset = start;
 300                                 parms.lockx.in.locks = &lock[0];
 301
 302                                 res = smb_raw_lock(tree, &parms);
 303                         }
 304
 305                         /* ret[server] = NT_STATUS_IS_OK(res); */
 306                         status[server] = res;
 307                 }
 308                 if (showall ||
 309                     (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
 310                         printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
 311                                conn, f,
 312                                (double)start, (double)len,
 313                                nt_errstr(status[0]), nt_errstr(status[1]));
 314                 }
 315                 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
 316                         return false;
 317                 break;
 318
 319         case OP_REOPEN:
 320                 /* reopen the file */
 321                 for (server=0;server<NSERVERS;server++) {
 322                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 323                         fnum[server][conn][f] = -1;
 324                 }
 325                 for (server=0;server<NSERVERS;server++) {
 326                         fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
 327                                                          O_RDWR|O_CREAT,
 328                                                          DENY_NONE);
 329                         if (fnum[server][conn][f] == -1) {
 330                                 printf("failed to reopen on share%d\n", server);
 331                                 return false;
 332                         }
 333                 }
 334                 if (showall) {
 335                         printf("reopen conn=%u f=%u\n",
 336                                conn, f);
 337                 }
 338                 break;
 339         }
 340
 341         return true;
 342 }
 343
 344 static void close_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 345                         int fnum[NSERVERS][NCONNECTIONS][NFILES])
 346 {
 347         int server, conn, f;
 348
 349         for (server=0;server<NSERVERS;server++)
 350         for (conn=0;conn<NCONNECTIONS;conn++)
 351         for (f=0;f<NFILES;f++) {
 352                 if (fnum[server][conn][f] != -1) {
 353                         smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
 354                         fnum[server][conn][f] = -1;
 355                 }
 356         }
 357         for (server=0;server<NSERVERS;server++) {
 358                 smbcli_unlink(cli[server][0]->tree, FILENAME);
 359         }
 360 }
 361
 362 static void open_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 363                        int fnum[NSERVERS][NCONNECTIONS][NFILES])
 364 {
 365         int server, conn, f;
 366
 367         for (server=0;server<NSERVERS;server++)
 368         for (conn=0;conn<NCONNECTIONS;conn++)
 369         for (f=0;f<NFILES;f++) {
 370                 fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
 371                                                  O_RDWR|O_CREAT,
 372                                                  DENY_NONE);
 373                 if (fnum[server][conn][f] == -1) {
 374                         fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
 375                                 server, conn, f);
 376                         exit(1);
 377                 }
 378         }
 379 }
 380
 381
 382 static int retest(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
 383                    int fnum[NSERVERS][NCONNECTIONS][NFILES],
 384                    int n)
 385 {
 386         int i;
 387         printf("Testing %u ...\n", n);
 388         for (i=0; i<n; i++) {
 389                 if (i && i % 100 == 0) {
 390                         printf("%u\n", i);
 391                 }
 392
 393                 if (recorded[i].needed &&
 394                     !test_one(cli, fnum, &recorded[i])) return i;
 395         }
 396         return n;
 397 }
 398
 399
 400 /* each server has two connections open to it. Each connection has two file
 401    descriptors open on the file - 8 file descriptors in total
 402
 403    we then do random locking ops in tamdem on the 4 fnums from each
 404    server and ensure that the results match
 405  */
 406 static int test_locks(struct tevent_context *ev,
 407                       struct loadparm_context *lp_ctx,
 408                       TALLOC_CTX *mem_ctx,
 409                       char *share[NSERVERS])
 410 {
 411         struct smbcli_state *cli[NSERVERS][NCONNECTIONS];
 412         int fnum[NSERVERS][NCONNECTIONS][NFILES];
 413         int n, i, n1, skip, r1, r2;
 414
 415         ZERO_STRUCT(fnum);
 416         ZERO_STRUCT(cli);
 417
 418         recorded = malloc_array_p(struct record, numops);
 419
 420         for (n=0; n<numops; n++) {
 421 #if PRESETS
 422                 if (n < sizeof(preset) / sizeof(preset[0])) {
 423                         recorded[n] = preset[n];
 424                 } else {
 425 #endif
 426                         recorded[n].conn = random() % NCONNECTIONS;
 427                         recorded[n].f = random() % NFILES;
 428                         recorded[n].start = lock_base + ((unsigned int)random() % (lock_range-1));
 429                         recorded[n].len =  min_length +
 430                                 random() % (lock_range-(recorded[n].start-lock_base));
 431                         recorded[n].start *= RANGE_MULTIPLE;
 432                         recorded[n].len *= RANGE_MULTIPLE;
 433                         recorded[n].pid = random()%3;
 434                         if (recorded[n].pid == 2) {
 435                                 recorded[n].pid = 0xFFFF; /* see if its magic */
 436                         }
 437                         r1 = random() % 100;
 438                         r2 = random() % 100;
 439                         if (r1 < READ_PCT) {
 440                                 recorded[n].lock_type = READ_LOCK;
 441                         } else {
 442                                 recorded[n].lock_type = WRITE_LOCK;
 443                         }
 444                         if (r2 < LOCK_PCT) {
 445                                 recorded[n].lock_op = OP_LOCK;
 446                         } else if (r2 < UNLOCK_PCT) {
 447                                 recorded[n].lock_op = OP_UNLOCK;
 448                         } else {
 449                                 recorded[n].lock_op = OP_REOPEN;
 450                         }
 451                         recorded[n].needed = true;
 452                         if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
 453                                 recorded[n].len = 1;
 454                         }
 455 #if PRESETS
 456                 }
 457 #endif
 458         }
 459
 460         reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 461         open_files(cli, fnum);
 462         n = retest(cli, fnum, numops);
 463
 464         if (n == numops || !analyze) {
 465                 if (n != numops) {
 466                         return 1;
 467                 }
 468                 return 0;
 469         }
 470         n++;
 471
 472         skip = n/2;
 473
 474         while (1) {
 475                 n1 = n;
 476
 477                 close_files(cli, fnum);
 478                 reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 479                 open_files(cli, fnum);
 480
 481                 for (i=0;i<n-skip;i+=skip) {
 482                         int m, j;
 483                         printf("excluding %d-%d\n", i, i+skip-1);
 484                         for (j=i;j<i+skip;j++) {
 485                                 recorded[j].needed = false;
 486                         }
 487
 488                         close_files(cli, fnum);
 489                         open_files(cli, fnum);
 490
 491                         m = retest(cli, fnum, n);
 492                         if (m == n) {
 493                                 for (j=i;j<i+skip;j++) {
 494                                         recorded[j].needed = true;
 495                                 }
 496                         } else {
 497                                 if (i+(skip-1) < m) {
 498                                         memmove(&recorded[i], &recorded[i+skip],
 499                                                 (m-(i+skip-1))*sizeof(recorded[0]));
 500                                 }
 501                                 n = m-(skip-1);
 502                                 i--;
 503                         }
 504                 }
 505
 506                 if (skip > 1) {
 507                         skip = skip/2;
 508                         printf("skip=%d\n", skip);
 509                         continue;
 510                 }
 511
 512                 if (n1 == n) break;
 513         }
 514
 515         close_files(cli, fnum);
 516         reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
 517         open_files(cli, fnum);
 518         showall = true;
 519         n1 = retest(cli, fnum, n);
 520         if (n1 != n-1) {
 521                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
 522         }
 523         close_files(cli, fnum);
 524
 525         for (i=0;i<n;i++) {
 526                 printf("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
 527                        recorded[i].lock_op,
 528                        recorded[i].lock_type,
 529                        recorded[i].conn,
 530                        recorded[i].f,
 531                        (double)recorded[i].start,
 532                        (double)recorded[i].len,
 533                        recorded[i].needed);
 534         }
 535
 536         return 1;
 537 }
 538
 539
 540
 541 static void usage(poptContext pc)
 542 {
 543         printf("Usage:\n\tlocktest //server1/share1 //server2/share2 [options..]\n");
 544         poptPrintUsage(pc, stdout, 0);
 545 }
 546
 547 /****************************************************************************
 548   main program
 549 ****************************************************************************/
 550 int main(int argc, const char *argv[])
 551 {
 552         char *share[NSERVERS];
 553         int opt;
 554         int seed, server;
 555         int username_count=0;
 556         struct tevent_context *ev;
 557         struct loadparm_context *lp_ctx;
 558         poptContext pc;
 559         int argc_new, i;
 560         char **argv_new;
 561         enum {OPT_UNCLIST=1000};
 562         struct poptOption long_options[] = {
 563                 POPT_AUTOHELP
 564                 {"seed",          0, POPT_ARG_INT,  &seed,      0,      "Seed to use for randomizer",   NULL},
 565                 {"num-ops",       0, POPT_ARG_INT,  &numops,    0,      "num ops",      NULL},
 566                 {"lockrange",     0, POPT_ARG_INT,  &lock_range,0,      "locking range", NULL},
 567                 {"lockbase",      0, POPT_ARG_INT,  &lock_base, 0,      "locking base", NULL},
 568                 {"minlength",     0, POPT_ARG_INT,  &min_length,0,      "min lock length", NULL},
 569                 {"hidefails",     0, POPT_ARG_NONE, &hide_unlock_fails,0,"hide unlock fails", NULL},
 570                 {"oplocks",       0, POPT_ARG_NONE, &use_oplocks,0,      "use oplocks", NULL},
 571                 {"showall",       0, POPT_ARG_NONE, &showall,    0,      "display all operations", NULL},
 572                 {"analyse",       0, POPT_ARG_NONE, &analyze,    0,      "do backtrack analysis", NULL},
 573                 {"zerozero",      0, POPT_ARG_NONE, &zero_zero,    0,      "do zero/zero lock", NULL},
 574                 {"exacterrors",   0, POPT_ARG_NONE, &exact_error_codes,0,"use exact error codes", NULL},
 575                 {"unclist",       0, POPT_ARG_STRING,   NULL,   OPT_UNCLIST,    "unclist",      NULL},
 576                 { "user", 'U',       POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
 577                 POPT_COMMON_SAMBA
 578                 POPT_COMMON_CONNECTION
 579                 POPT_COMMON_CREDENTIALS
 580                 POPT_COMMON_VERSION
 581                 { NULL }
 582         };
 583         TALLOC_CTX *mem_ctx = NULL;
 584         int ret = -1;
 585
 586         setlinebuf(stdout);
 587         seed = time(NULL);
 588
 589         mem_ctx = talloc_named_const(NULL, 0, "locktest_ctx");
 590         if (mem_ctx == NULL) {
 591                 printf("Unable to allocate locktest_ctx\n");
 592                 exit(1);
 593         }
 594
 595         pc = poptGetContext("locktest", argc, argv, long_options,
 596                             POPT_CONTEXT_KEEP_FIRST);
 597
 598         poptSetOtherOptionHelp(pc, "<unc1> <unc2>");
 599
 600         lp_ctx = cmdline_lp_ctx;
 601         servers[0] = cli_credentials_init(mem_ctx);
 602         servers[1] = cli_credentials_init(mem_ctx);
 603         cli_credentials_guess(servers[0], lp_ctx);
 604         cli_credentials_guess(servers[1], lp_ctx);
 605
 606         while((opt = poptGetNextOpt(pc)) != -1) {
 607                 switch (opt) {
 608                 case OPT_UNCLIST:
 609                         lpcfg_set_cmdline(cmdline_lp_ctx, "torture:unclist", poptGetOptArg(pc));
 610                         break;
 611                 case 'U':
 612                         if (username_count == 2) {
 613                                 usage(pc);
 614                                 talloc_free(mem_ctx);
 615                                 exit(1);
 616                         }
 617                         cli_credentials_parse_string(servers[username_count], poptGetOptArg(pc), CRED_SPECIFIED);
 618                         username_count++;
 619                         break;
 620                 }
 621         }
 622
 623         argv_new = discard_const_p(char *, poptGetArgs(pc));
 624         argc_new = argc;
 625         for (i=0; i<argc; i++) {
 626                 if (argv_new[i] == NULL) {
 627                         argc_new = i;
 628                         break;
 629                 }
 630         }
 631
 632         if (!(argc_new >= 3)) {
 633                 usage(pc);
 634                 exit(1);
 635         }
 636
 637         setup_logging("locktest", DEBUG_STDOUT);
 638
 639         for (server=0;server<NSERVERS;server++) {
 640                 share[server] = argv_new[1+server];
 641                 all_string_sub(share[server],"/","\\",0);
 642         }
 643
 644         lp_ctx = cmdline_lp_ctx;
 645
 646         if (username_count == 0) {
 647                 usage(pc);
 648                 return -1;
 649         }
 650         if (username_count == 1) {
 651                 servers[1] = servers[0];
 652         }
 653
 654         ev = s4_event_context_init(mem_ctx);
 655
 656         gensec_init();
 657
 658         DEBUG(0,("seed=%u base=%d range=%d min_length=%d\n",
 659                  seed, lock_base, lock_range, min_length));
 660         srandom(seed);
 661
 662         ret = test_locks(ev, lp_ctx, NULL, share);
 663         talloc_free(mem_ctx);
 664         return ret;
 665 }
 666