source/torture/gentest.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    generic testing tool
   4    Copyright (C) Andrew Tridgell 2003
   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 "system/time.h"
  22 #include "system/filesys.h"
  23 #include "libcli/raw/request.h"
  24 #include "libcli/libcli.h"
  25 #include "libcli/raw/libcliraw.h"
  26 #include "librpc/gen_ndr/security.h"
  27 #include "auth/credentials/credentials.h"
  28 #include "libcli/resolve/resolve.h"
  29 #include "auth/gensec/gensec.h"
  30 #include "param/param.h"
  31 #include "dynconfig.h"
  32
  33 #define NSERVERS 2
  34 #define NINSTANCES 2
  35
  36 /* global options */
  37 static struct gentest_options {
  38         bool showall;
  39         bool analyze;
  40         bool analyze_always;
  41         bool analyze_continuous;
  42         uint_t max_open_handles;
  43         uint_t seed;
  44         uint_t numops;
  45         bool use_oplocks;
  46         char **ignore_patterns;
  47         const char *seeds_file;
  48         bool use_preset_seeds;
  49         bool fast_reconnect;
  50 } options;
  51
  52 /* mapping between open handles on the server and local handles */
  53 static struct {
  54         bool active;
  55         uint_t instance;
  56         uint_t server_fnum[NSERVERS];
  57         const char *name;
  58 } *open_handles;
  59 static uint_t num_open_handles;
  60
  61 /* state information for the servers. We open NINSTANCES connections to
  62    each server */
  63 static struct {
  64         struct smbcli_state *cli[NINSTANCES];
  65         char *server_name;
  66         char *share_name;
  67         struct cli_credentials *credentials;
  68 } servers[NSERVERS];
  69
  70 /* the seeds and flags for each operation */
  71 static struct {
  72         uint_t seed;
  73         bool disabled;
  74 } *op_parms;
  75
  76
  77 /* oplock break info */
  78 static struct {
  79         bool got_break;
  80         uint16_t fnum;
  81         uint16_t handle;
  82         uint8_t level;
  83         bool do_close;
  84 } oplocks[NSERVERS][NINSTANCES];
  85
  86 /* change notify reply info */
  87 static struct {
  88         int notify_count;
  89         NTSTATUS status;
  90         union smb_notify notify;
  91 } notifies[NSERVERS][NINSTANCES];
  92
  93 /* info relevant to the current operation */
  94 static struct {
  95         const char *name;
  96         uint_t seed;
  97         NTSTATUS status;
  98         uint_t opnum;
  99         TALLOC_CTX *mem_ctx;
 100 } current_op;
 101
 102
 103
 104 #define BAD_HANDLE 0xFFFE
 105
 106 static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private);
 107 static void idle_func(struct smbcli_transport *transport, void *private);
 108
 109 /*
 110   check if a string should be ignored. This is used as the basis
 111   for all error ignore settings
 112 */
 113 static bool ignore_pattern(const char *str)
 114 {
 115         int i;
 116         if (!options.ignore_patterns) return false;
 117
 118         for (i=0;options.ignore_patterns[i];i++) {
 119                 if (strcmp(options.ignore_patterns[i], str) == 0 ||
 120                     gen_fnmatch(options.ignore_patterns[i], str) == 0) {
 121                         DEBUG(2,("Ignoring '%s'\n", str));
 122                         return true;
 123                 }
 124         }
 125         return false;
 126 }
 127
 128 /*****************************************************
 129 connect to the servers
 130 *******************************************************/
 131 static bool connect_servers_fast(void)
 132 {
 133         int h, i;
 134
 135         /* close all open files */
 136         for (h=0;h<options.max_open_handles;h++) {
 137                 if (!open_handles[h].active) continue;
 138                 for (i=0;i<NSERVERS;i++) {
 139                         if (NT_STATUS_IS_ERR((smbcli_close(servers[i].cli[open_handles[h].instance]->tree,
 140                                        open_handles[h].server_fnum[i])))) {
 141                                 return false;
 142                         }
 143                         open_handles[h].active = false;
 144                 }
 145         }
 146
 147         return true;
 148 }
 149
 150
 151
 152
 153 /*****************************************************
 154 connect to the servers
 155 *******************************************************/
 156 static bool connect_servers(struct loadparm_context *lp_ctx)
 157 {
 158         int i, j;
 159
 160         if (options.fast_reconnect && servers[0].cli[0]) {
 161                 if (connect_servers_fast()) {
 162                         return true;
 163                 }
 164         }
 165
 166         /* close any existing connections */
 167         for (i=0;i<NSERVERS;i++) {
 168                 for (j=0;j<NINSTANCES;j++) {
 169                         if (servers[i].cli[j]) {
 170                                 smbcli_tdis(servers[i].cli[j]);
 171                                 talloc_free(servers[i].cli[j]);
 172                                 servers[i].cli[j] = NULL;
 173                         }
 174                 }
 175         }
 176
 177         for (i=0;i<NSERVERS;i++) {
 178                 for (j=0;j<NINSTANCES;j++) {
 179                         NTSTATUS status;
 180                         printf("Connecting to \\\\%s\\%s as %s - instance %d\n",
 181                                servers[i].server_name, servers[i].share_name,
 182                                servers[i].credentials->username, j);
 183
 184                         cli_credentials_set_workstation(servers[i].credentials,
 185                                                         "gentest", CRED_SPECIFIED);
 186
 187                         status = smbcli_full_connection(NULL, &servers[i].cli[j],
 188                                                         servers[i].server_name,
 189                                                         lp_smb_ports(lp_ctx),
 190                                                         servers[i].share_name, NULL,
 191                                                         servers[i].credentials,
 192                                                         lp_resolve_context(lp_ctx),
 193                                                         NULL);
 194                         if (!NT_STATUS_IS_OK(status)) {
 195                                 printf("Failed to connect to \\\\%s\\%s - %s\n",
 196                                        servers[i].server_name, servers[i].share_name,
 197                                        nt_errstr(status));
 198                                 return false;
 199                         }
 200
 201                         smbcli_oplock_handler(servers[i].cli[j]->transport, oplock_handler, NULL);
 202                         smbcli_transport_idle_handler(servers[i].cli[j]->transport, idle_func, 50000, NULL);
 203                 }
 204         }
 205
 206         return true;
 207 }
 208
 209 /*
 210   work out the time skew between the servers - be conservative
 211 */
 212 static uint_t time_skew(void)
 213 {
 214         uint_t ret;
 215         ret = labs(servers[0].cli[0]->transport->negotiate.server_time -
 216                   servers[1].cli[0]->transport->negotiate.server_time);
 217         return ret + 300;
 218 }
 219
 220 /*
 221   turn an fnum for an instance into a handle
 222 */
 223 static uint_t fnum_to_handle(int server, int instance, uint16_t fnum)
 224 {
 225         uint_t i;
 226         for (i=0;i<options.max_open_handles;i++) {
 227                 if (!open_handles[i].active ||
 228                     instance != open_handles[i].instance) continue;
 229                 if (open_handles[i].server_fnum[server] == fnum) {
 230                         return i;
 231                 }
 232         }
 233         printf("Invalid fnum %d in fnum_to_handle on server %d instance %d\n",
 234                fnum, server, instance);
 235         return BAD_HANDLE;
 236 }
 237
 238 /*
 239   add some newly opened handles
 240 */
 241 static void gen_add_handle(int instance, const char *name, uint16_t fnums[NSERVERS])
 242 {
 243         int i, h;
 244         for (h=0;h<options.max_open_handles;h++) {
 245                 if (!open_handles[h].active) break;
 246         }
 247         if (h == options.max_open_handles) {
 248                 /* we have to force close a random handle */
 249                 h = random() % options.max_open_handles;
 250                 for (i=0;i<NSERVERS;i++) {
 251                         if (NT_STATUS_IS_ERR((smbcli_close(servers[i].cli[open_handles[h].instance]->tree,
 252                                        open_handles[h].server_fnum[i])))) {
 253                                 printf("INTERNAL ERROR: Close failed when recovering handle! - %s\n",
 254                                        smbcli_errstr(servers[i].cli[open_handles[h].instance]->tree));
 255                         }
 256                 }
 257                 printf("Recovered handle %d\n", h);
 258                 num_open_handles--;
 259         }
 260         for (i=0;i<NSERVERS;i++) {
 261                 open_handles[h].server_fnum[i] = fnums[i];
 262                 open_handles[h].instance = instance;
 263                 open_handles[h].active = true;
 264                 open_handles[h].name = name;
 265         }
 266         num_open_handles++;
 267
 268         printf("OPEN num_open_handles=%d h=%d s1=0x%x s2=0x%x (%s)\n",
 269                num_open_handles, h,
 270                open_handles[h].server_fnum[0], open_handles[h].server_fnum[1],
 271                name);
 272 }
 273
 274 /*
 275   remove a closed handle
 276 */
 277 static void gen_remove_handle(int instance, uint16_t fnums[NSERVERS])
 278 {
 279         int h;
 280         for (h=0;h<options.max_open_handles;h++) {
 281                 if (instance == open_handles[h].instance &&
 282                     open_handles[h].server_fnum[0] == fnums[0]) {
 283                         open_handles[h].active = false;
 284                         num_open_handles--;
 285                         printf("CLOSE num_open_handles=%d h=%d s1=0x%x s2=0x%x (%s)\n",
 286                                num_open_handles, h,
 287                                open_handles[h].server_fnum[0], open_handles[h].server_fnum[1],
 288                                open_handles[h].name);
 289                         return;
 290                 }
 291         }
 292         printf("Removing invalid handle!?\n");
 293         exit(1);
 294 }
 295
 296 /*
 297   return true with 'chance' probability as a percentage
 298 */
 299 static bool gen_chance(uint_t chance)
 300 {
 301         return ((random() % 100) <= chance);
 302 }
 303
 304 /*
 305   map an internal handle number to a server fnum
 306 */
 307 static uint16_t gen_lookup_fnum(int server, uint16_t handle)
 308 {
 309         if (handle == BAD_HANDLE) return handle;
 310         return open_handles[handle].server_fnum[server];
 311 }
 312
 313 /*
 314   return a file handle
 315 */
 316 static uint16_t gen_fnum(int instance)
 317 {
 318         uint16_t h;
 319         int count = 0;
 320
 321         if (gen_chance(20)) return BAD_HANDLE;
 322
 323         while (num_open_handles > 0 && count++ < 10*options.max_open_handles) {
 324                 h = random() % options.max_open_handles;
 325                 if (open_handles[h].active &&
 326                     open_handles[h].instance == instance) {
 327                         return h;
 328                 }
 329         }
 330         return BAD_HANDLE;
 331 }
 332
 333 /*
 334   return a file handle, but skewed so we don't close the last
 335   couple of handles too readily
 336 */
 337 static uint16_t gen_fnum_close(int instance)
 338 {
 339         if (num_open_handles < 3) {
 340                 if (gen_chance(80)) return BAD_HANDLE;
 341         }
 342
 343         return gen_fnum(instance);
 344 }
 345
 346 /*
 347   generate an integer in a specified range
 348 */
 349 static int gen_int_range(uint_t min, uint_t max)
 350 {
 351         uint_t r = random();
 352         return min + (r % (1+max-min));
 353 }
 354
 355 /*
 356   return a fnum for use as a root fid
 357   be careful to call GEN_SET_FNUM() when you use this!
 358 */
 359 static uint16_t gen_root_fid(int instance)
 360 {
 361         if (gen_chance(5)) return gen_fnum(instance);
 362         return 0;
 363 }
 364
 365 /*
 366   generate a file offset
 367 */
 368 static int gen_offset(void)
 369 {
 370         if (gen_chance(20)) return 0;
 371         return gen_int_range(0, 1024*1024);
 372 }
 373
 374 /*
 375   generate a io count
 376 */
 377 static int gen_io_count(void)
 378 {
 379         if (gen_chance(20)) return 0;
 380         return gen_int_range(0, 4096);
 381 }
 382
 383 /*
 384   generate a filename
 385 */
 386 static const char *gen_fname(void)
 387 {
 388         const char *names[] = {"\\gentest\\gentest.dat",
 389                                "\\gentest\\foo",
 390                                "\\gentest\\foo2.sym",
 391                                "\\gentest\\foo3.dll",
 392                                "\\gentest\\foo4",
 393                                "\\gentest\\foo4:teststream1",
 394                                "\\gentest\\foo4:teststream2",
 395                                "\\gentest\\foo5.exe",
 396                                "\\gentest\\foo5.exe:teststream3",
 397                                "\\gentest\\foo5.exe:teststream4",
 398                                "\\gentest\\foo6.com",
 399                                "\\gentest\\blah",
 400                                "\\gentest\\blah\\blergh.txt",
 401                                "\\gentest\\blah\\blergh2",
 402                                "\\gentest\\blah\\blergh3.txt",
 403                                "\\gentest\\blah\\blergh4",
 404                                "\\gentest\\blah\\blergh5.txt",
 405                                "\\gentest\\blah\\blergh5",
 406                                "\\gentest\\blah\\.",
 407 #if 0
 408                                /* this causes problem with w2k3 */
 409                                "\\gentest\\blah\\..",
 410 #endif
 411                                "\\gentest\\a_very_long_name.bin",
 412                                "\\gentest\\x.y",
 413                                "\\gentest\\blah"};
 414         int i;
 415
 416         do {
 417                 i = gen_int_range(0, ARRAY_SIZE(names)-1);
 418         } while (ignore_pattern(names[i]));
 419
 420         return names[i];
 421 }
 422
 423 /*
 424   generate a filename with a higher chance of choosing an already
 425   open file
 426 */
 427 static const char *gen_fname_open(int instance)
 428 {
 429         uint16_t h;
 430         h = gen_fnum(instance);
 431         if (h == BAD_HANDLE) {
 432                 return gen_fname();
 433         }
 434         return open_handles[h].name;
 435 }
 436
 437 /*
 438   generate a wildcard pattern
 439 */
 440 static const char *gen_pattern(void)
 441 {
 442         int i;
 443         const char *names[] = {"\\gentest\\*.dat",
 444                                "\\gentest\\*",
 445                                "\\gentest\\*.*",
 446                                "\\gentest\\blah\\*.*",
 447                                "\\gentest\\blah\\*",
 448                                "\\gentest\\?"};
 449
 450         if (gen_chance(50)) return gen_fname();
 451
 452         do {
 453                 i = gen_int_range(0, ARRAY_SIZE(names)-1);
 454         } while (ignore_pattern(names[i]));
 455
 456         return names[i];
 457 }
 458
 459 /*
 460   generate a bitmask
 461 */
 462 static uint32_t gen_bits_mask(uint_t mask)
 463 {
 464         uint_t ret = random();
 465         return ret & mask;
 466 }
 467
 468 /*
 469   generate a bitmask with high probability of the first mask
 470   and low of the second
 471 */
 472 static uint32_t gen_bits_mask2(uint32_t mask1, uint32_t mask2)
 473 {
 474         if (gen_chance(10)) return gen_bits_mask(mask2);
 475         return gen_bits_mask(mask1);
 476 }
 477
 478 /*
 479   generate a boolean
 480 */
 481 static bool gen_bool(void)
 482 {
 483         return gen_bits_mask2(0x1, 0xFF);
 484 }
 485
 486 /*
 487   generate ntrename flags
 488 */
 489 static uint16_t gen_rename_flags(void)
 490 {
 491         if (gen_chance(30)) return RENAME_FLAG_RENAME;
 492         if (gen_chance(30)) return RENAME_FLAG_HARD_LINK;
 493         if (gen_chance(30)) return RENAME_FLAG_COPY;
 494         return gen_bits_mask(0xFFFF);
 495 }
 496
 497
 498 /*
 499   return a lockingx lock mode
 500 */
 501 static uint16_t gen_lock_mode(void)
 502 {
 503         if (gen_chance(5))  return gen_bits_mask(0xFFFF);
 504         if (gen_chance(20)) return gen_bits_mask(0x1F);
 505         return gen_bits_mask(LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES);
 506 }
 507
 508 /*
 509   generate a pid
 510 */
 511 static uint16_t gen_pid(void)
 512 {
 513         if (gen_chance(10)) return gen_bits_mask(0xFFFF);
 514         return getpid();
 515 }
 516
 517 /*
 518   generate a lock count
 519 */
 520 static off_t gen_lock_count(void)
 521 {
 522         return gen_int_range(0, 3);
 523 }
 524
 525 /*
 526   generate a ntcreatex flags field
 527 */
 528 static uint32_t gen_ntcreatex_flags(void)
 529 {
 530         if (gen_chance(70)) return NTCREATEX_FLAGS_EXTENDED;
 531         return gen_bits_mask2(0x1F, 0xFFFFFFFF);
 532 }
 533
 534 /*
 535   generate a NT access mask
 536 */
 537 static uint32_t gen_access_mask(void)
 538 {
 539         if (gen_chance(50)) return SEC_FLAG_MAXIMUM_ALLOWED;
 540         if (gen_chance(20)) return SEC_FILE_ALL;
 541         return gen_bits_mask(0xFFFFFFFF);
 542 }
 543
 544 /*
 545   generate a ntcreatex create options bitfield
 546 */
 547 static uint32_t gen_create_options(void)
 548 {
 549         if (gen_chance(20)) return gen_bits_mask(0xFFFFFFFF);
 550         if (gen_chance(50)) return 0;
 551         return gen_bits_mask(NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_DIRECTORY);
 552 }
 553
 554 /*
 555   generate a ntcreatex open disposition
 556 */
 557 static uint32_t gen_open_disp(void)
 558 {
 559         if (gen_chance(10)) return gen_bits_mask(0xFFFFFFFF);
 560         return gen_int_range(0, 5);
 561 }
 562
 563 /*
 564   generate an openx open mode
 565 */
 566 static uint16_t gen_openx_mode(void)
 567 {
 568         if (gen_chance(20)) return gen_bits_mask(0xFFFF);
 569         if (gen_chance(20)) return gen_bits_mask(0xFF);
 570         return OPENX_MODE_DENY_NONE | gen_bits_mask(0x3);
 571 }
 572
 573 /*
 574   generate an openx flags field
 575 */
 576 static uint16_t gen_openx_flags(void)
 577 {
 578         if (gen_chance(20)) return gen_bits_mask(0xFFFF);
 579         return gen_bits_mask(0x7);
 580 }
 581
 582 /*
 583   generate an openx open function
 584 */
 585 static uint16_t gen_openx_func(void)
 586 {
 587         if (gen_chance(20)) return gen_bits_mask(0xFFFF);
 588         return gen_bits_mask(0x13);
 589 }
 590
 591 /*
 592   generate a file attrib combination
 593 */
 594 static uint32_t gen_attrib(void)
 595 {
 596         if (gen_chance(20)) return gen_bits_mask(0xFFFFFFFF);
 597         return gen_bits_mask(FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY);
 598 }
 599
 600 /*
 601   generate a unix timestamp
 602 */
 603 static time_t gen_timet(void)
 604 {
 605         if (gen_chance(30)) return 0;
 606         return (time_t)random();
 607 }
 608
 609 /*
 610   generate a unix timestamp
 611 */
 612 static NTTIME gen_nttime(void)
 613 {
 614         NTTIME ret;
 615         unix_to_nt_time(&ret, gen_timet());
 616         return ret;
 617 }
 618
 619 /*
 620   generate a milliseconds protocol timeout
 621 */
 622 static uint32_t gen_timeout(void)
 623 {
 624         if (gen_chance(98)) return 0;
 625         return random() % 50;
 626 }
 627
 628 /*
 629   generate a file allocation size
 630 */
 631 static uint_t gen_alloc_size(void)
 632 {
 633         uint_t ret;
 634
 635         if (gen_chance(30)) return 0;
 636
 637         ret = random() % 4*1024*1024;
 638         /* give a high chance of a round number */
 639         if (gen_chance(60)) {
 640                 ret &= ~(1024*1024 - 1);
 641         }
 642         return ret;
 643 }
 644
 645 /*
 646   generate an ea_struct
 647 */
 648 static struct ea_struct gen_ea_struct(void)
 649 {
 650         struct ea_struct ea;
 651         const char *names[] = {"EAONE",
 652                                "",
 653                                "FOO!",
 654                                " WITH SPACES ",
 655                                ".",
 656                                "AVERYLONGATTRIBUTENAME"};
 657         const char *values[] = {"VALUE1",
 658                                "",
 659                                "NOT MUCH FOO",
 660                                " LEADING SPACES ",
 661                                ":",
 662                                "ASOMEWHATLONGERATTRIBUTEVALUE"};
 663         int i;
 664
 665         ZERO_STRUCT(ea);
 666
 667         do {
 668                 i = gen_int_range(0, ARRAY_SIZE(names)-1);
 669         } while (ignore_pattern(names[i]));
 670
 671         ea.name.s = names[i];
 672
 673         do {
 674                 i = gen_int_range(0, ARRAY_SIZE(values)-1);
 675         } while (ignore_pattern(values[i]));
 676
 677         ea.value = data_blob(values[i], strlen(values[i]));
 678
 679         if (gen_chance(10)) ea.flags = gen_bits_mask(0xFF);
 680         ea.flags = 0;
 681
 682         return ea;
 683 }
 684
 685
 686 /*
 687   this is called when a change notify reply comes in
 688 */
 689 static void async_notify(struct smbcli_request *req)
 690 {
 691         union smb_notify notify;
 692         NTSTATUS status;
 693         int i, j;
 694         uint16_t tid;
 695         struct smbcli_transport *transport = req->transport;
 696
 697         tid = SVAL(req->in.hdr, HDR_TID);
 698
 699         notify.nttrans.level = RAW_NOTIFY_NTTRANS;
 700         status = smb_raw_changenotify_recv(req, current_op.mem_ctx, &notify);
 701         if (NT_STATUS_IS_OK(status)) {
 702                 printf("notify tid=%d num_changes=%d action=%d name=%s\n",
 703                        tid,
 704                        notify.nttrans.out.num_changes,
 705                        notify.nttrans.out.changes[0].action,
 706                        notify.nttrans.out.changes[0].name.s);
 707         }
 708
 709         for (i=0;i<NSERVERS;i++) {
 710                 for (j=0;j<NINSTANCES;j++) {
 711                         if (transport == servers[i].cli[j]->transport &&
 712                             tid == servers[i].cli[j]->tree->tid) {
 713                                 notifies[i][j].notify_count++;
 714                                 notifies[i][j].status = status;
 715                                 notifies[i][j].notify = notify;
 716                         }
 717                 }
 718         }
 719 }
 720
 721 static void oplock_handler_close_recv(struct smbcli_request *req)
 722 {
 723         NTSTATUS status;
 724         status = smbcli_request_simple_recv(req);
 725         if (!NT_STATUS_IS_OK(status)) {
 726                 printf("close failed in oplock_handler\n");
 727                 smb_panic("close failed in oplock_handler");
 728         }
 729 }
 730
 731 /*
 732   the oplock handler will either ack the break or close the file
 733 */
 734 static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private)
 735 {
 736         union smb_close io;
 737         int i, j;
 738         bool do_close;
 739         struct smbcli_tree *tree = NULL;
 740         struct smbcli_request *req;
 741
 742         srandom(current_op.seed);
 743         do_close = gen_chance(50);
 744
 745         for (i=0;i<NSERVERS;i++) {
 746                 for (j=0;j<NINSTANCES;j++) {
 747                         if (transport == servers[i].cli[j]->transport &&
 748                             tid == servers[i].cli[j]->tree->tid) {
 749                                 oplocks[i][j].got_break = true;
 750                                 oplocks[i][j].fnum = fnum;
 751                                 oplocks[i][j].handle = fnum_to_handle(i, j, fnum);
 752                                 oplocks[i][j].level = level;
 753                                 oplocks[i][j].do_close = do_close;
 754                                 tree = servers[i].cli[j]->tree;
 755                         }
 756                 }
 757         }
 758
 759         if (!tree) {
 760                 printf("Oplock break not for one of our trees!?\n");
 761                 return false;
 762         }
 763
 764         if (!do_close) {
 765                 printf("oplock ack fnum=%d\n", fnum);
 766                 return smbcli_oplock_ack(tree, fnum, level);
 767         }
 768
 769         printf("oplock close fnum=%d\n", fnum);
 770
 771         io.close.level = RAW_CLOSE_CLOSE;
 772         io.close.in.file.fnum = fnum;
 773         io.close.in.write_time = 0;
 774         req = smb_raw_close_send(tree, &io);
 775
 776         if (req == NULL) {
 777                 printf("WARNING: close failed in oplock_handler_close\n");
 778                 return false;
 779         }
 780
 781         req->async.fn = oplock_handler_close_recv;
 782         req->async.private = NULL;
 783
 784         return true;
 785 }
 786
 787
 788 /*
 789   the idle function tries to cope with getting an oplock break on a connection, and
 790   an operation on another connection blocking until that break is acked
 791   we check for operations on all transports in the idle function
 792 */
 793 static void idle_func(struct smbcli_transport *transport, void *private)
 794 {
 795         int i, j;
 796         for (i=0;i<NSERVERS;i++) {
 797                 for (j=0;j<NINSTANCES;j++) {
 798                         if (servers[i].cli[j] &&
 799                             transport != servers[i].cli[j]->transport) {
 800                                 smbcli_transport_process(servers[i].cli[j]->transport);
 801                         }
 802                 }
 803         }
 804
 805 }
 806
 807
 808 /*
 809   compare NTSTATUS, using checking ignored patterns
 810 */
 811 static bool compare_status(NTSTATUS status1, NTSTATUS status2)
 812 {
 813         if (NT_STATUS_EQUAL(status1, status2)) return true;
 814
 815         /* one code being an error and the other OK is always an error */
 816         if (NT_STATUS_IS_OK(status1) || NT_STATUS_IS_OK(status2)) return false;
 817
 818         /* if we are ignoring one of the status codes then consider this a match */
 819         if (ignore_pattern(nt_errstr(status1)) ||
 820             ignore_pattern(nt_errstr(status2))) {
 821                 return true;
 822         }
 823         return false;
 824 }
 825
 826
 827 /*
 828   check for pending packets on all connections
 829 */
 830 static void check_pending(void)
 831 {
 832         int i, j;
 833
 834         msleep(20);
 835
 836         for (j=0;j<NINSTANCES;j++) {
 837                 for (i=0;i<NSERVERS;i++) {
 838                         smbcli_transport_process(servers[i].cli[j]->transport);
 839                 }
 840         }
 841 }
 842
 843 /*
 844   check that the same oplock breaks have been received by all instances
 845 */
 846 static bool check_oplocks(const char *call)
 847 {
 848         int i, j;
 849         int tries = 0;
 850
 851 again:
 852         check_pending();
 853
 854         for (j=0;j<NINSTANCES;j++) {
 855                 for (i=1;i<NSERVERS;i++) {
 856                         if (oplocks[0][j].got_break != oplocks[i][j].got_break ||
 857                             oplocks[0][j].handle != oplocks[i][j].handle ||
 858                             oplocks[0][j].level != oplocks[i][j].level) {
 859                                 if (tries++ < 10) goto again;
 860                                 printf("oplock break inconsistent - %d/%d/%d vs %d/%d/%d\n",
 861                                        oplocks[0][j].got_break,
 862                                        oplocks[0][j].handle,
 863                                        oplocks[0][j].level,
 864                                        oplocks[i][j].got_break,
 865                                        oplocks[i][j].handle,
 866                                        oplocks[i][j].level);
 867                                 return false;
 868                         }
 869                 }
 870         }
 871
 872         /* if we got a break and closed then remove the handle */
 873         for (j=0;j<NINSTANCES;j++) {
 874                 if (oplocks[0][j].got_break &&
 875                     oplocks[0][j].do_close) {
 876                         uint16_t fnums[NSERVERS];
 877                         for (i=0;i<NSERVERS;i++) {
 878                                 fnums[i] = oplocks[i][j].fnum;
 879                         }
 880                         gen_remove_handle(j, fnums);
 881                         break;
 882                 }
 883         }
 884         return true;
 885 }
 886
 887
 888 /*
 889   check that the same change notify info has been received by all instances
 890 */
 891 static bool check_notifies(const char *call)
 892 {
 893         int i, j;
 894         int tries = 0;
 895
 896 again:
 897         check_pending();
 898
 899         for (j=0;j<NINSTANCES;j++) {
 900                 for (i=1;i<NSERVERS;i++) {
 901                         int n;
 902                         union smb_notify not1, not2;
 903
 904                         if (notifies[0][j].notify_count != notifies[i][j].notify_count) {
 905                                 if (tries++ < 10) goto again;
 906                                 printf("Notify count inconsistent %d %d\n",
 907                                        notifies[0][j].notify_count,
 908                                        notifies[i][j].notify_count);
 909                                 return false;
 910                         }
 911
 912                         if (notifies[0][j].notify_count == 0) continue;
 913
 914                         if (!NT_STATUS_EQUAL(notifies[0][j].status,
 915                                              notifies[i][j].status)) {
 916                                 printf("Notify status mismatch - %s - %s\n",
 917                                        nt_errstr(notifies[0][j].status),
 918                                        nt_errstr(notifies[i][j].status));
 919                                 return false;
 920                         }
 921
 922                         if (!NT_STATUS_IS_OK(notifies[0][j].status)) {
 923                                 continue;
 924                         }
 925
 926                         not1 = notifies[0][j].notify;
 927                         not2 = notifies[i][j].notify;
 928
 929                         for (n=0;n<not1.nttrans.out.num_changes;n++) {
 930                                 if (not1.nttrans.out.changes[n].action !=
 931                                     not2.nttrans.out.changes[n].action) {
 932                                         printf("Notify action %d inconsistent %d %d\n", n,
 933                                                not1.nttrans.out.changes[n].action,
 934                                                not2.nttrans.out.changes[n].action);
 935                                         return false;
 936                                 }
 937                                 if (strcmp(not1.nttrans.out.changes[n].name.s,
 938                                            not2.nttrans.out.changes[n].name.s)) {
 939                                         printf("Notify name %d inconsistent %s %s\n", n,
 940                                                not1.nttrans.out.changes[n].name.s,
 941                                                not2.nttrans.out.changes[n].name.s);
 942                                         return false;
 943                                 }
 944                                 if (not1.nttrans.out.changes[n].name.private_length !=
 945                                     not2.nttrans.out.changes[n].name.private_length) {
 946                                         printf("Notify name length %d inconsistent %d %d\n", n,
 947                                                not1.nttrans.out.changes[n].name.private_length,
 948                                                not2.nttrans.out.changes[n].name.private_length);
 949                                         return false;
 950                                 }
 951                         }
 952                 }
 953         }
 954
 955         ZERO_STRUCT(notifies);
 956
 957         return true;
 958 }
 959
 960
 961 #define GEN_COPY_PARM do { \
 962         int i; \
 963         for (i=1;i<NSERVERS;i++) { \
 964                 parm[i] = parm[0]; \
 965         } \
 966 } while (0)
 967
 968 #define GEN_CALL(call) do { \
 969         int i; \
 970         ZERO_STRUCT(oplocks); \
 971         ZERO_STRUCT(notifies); \
 972         for (i=0;i<NSERVERS;i++) { \
 973                 struct smbcli_tree *tree = servers[i].cli[instance]->tree; \
 974                 status[i] = call; \
 975         } \
 976         current_op.status = status[0]; \
 977         for (i=1;i<NSERVERS;i++) { \
 978                 if (!compare_status(status[i], status[0])) { \
 979                         printf("status different in %s - %s %s\n", #call, \
 980                                nt_errstr(status[0]), nt_errstr(status[i])); \
 981                         return false; \
 982                 } \
 983         } \
 984         if (!check_oplocks(#call)) return false; \
 985         if (!check_notifies(#call)) return false; \
 986         if (!NT_STATUS_IS_OK(status[0])) { \
 987                 return true; \
 988         } \
 989 } while(0)
 990
 991 #define ADD_HANDLE(name, field) do { \
 992         uint16_t fnums[NSERVERS]; \
 993         int i; \
 994         for (i=0;i<NSERVERS;i++) { \
 995                 fnums[i] = parm[i].field; \
 996         } \
 997         gen_add_handle(instance, name, fnums); \
 998 } while(0)
 999
1000 #define REMOVE_HANDLE(field) do { \
1001         uint16_t fnums[NSERVERS]; \
1002         int i; \
1003         for (i=0;i<NSERVERS;i++) { \
1004                 fnums[i] = parm[i].field; \
1005         } \
1006         gen_remove_handle(instance, fnums); \
1007 } while(0)
1008
1009 #define GEN_SET_FNUM(field) do { \
1010         int i; \
1011         for (i=0;i<NSERVERS;i++) { \
1012                 parm[i].field = gen_lookup_fnum(i, parm[i].field); \
1013         } \
1014 } while(0)
1015
1016 #define CHECK_EQUAL(field) do { \
1017         if (parm[0].field != parm[1].field && !ignore_pattern(#field)) { \
1018                 printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
1019                        (int)parm[0].field, (int)parm[1].field); \
1020                 return false; \
1021         } \
1022 } while(0)
1023
1024 #define CHECK_WSTR_EQUAL(field) do { \
1025         if ((!parm[0].field.s && parm[1].field.s) || (parm[0].field.s && !parm[1].field.s)) { \
1026                 printf("%s is NULL!\n", #field); \
1027                 return false; \
1028         } \
1029         if (parm[0].field.s && strcmp(parm[0].field.s, parm[1].field.s) != 0 && !ignore_pattern(#field)) { \
1030                 printf("Mismatch in %s - %s %s\n", #field, \
1031                        parm[0].field.s, parm[1].field.s); \
1032                 return false; \
1033         } \
1034         CHECK_EQUAL(field.private_length); \
1035 } while(0)
1036
1037 #define CHECK_BLOB_EQUAL(field) do { \
1038         if (memcmp(parm[0].field.data, parm[1].field.data, parm[0].field.length) != 0 && !ignore_pattern(#field)) { \
1039                 printf("Mismatch in %s\n", #field); \
1040                 return false; \
1041         } \
1042         CHECK_EQUAL(field.length); \
1043 } while(0)
1044
1045 #define CHECK_TIMES_EQUAL(field) do { \
1046         if (labs(parm[0].field - parm[1].field) > time_skew() && \
1047             !ignore_pattern(#field)) { \
1048                 printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
1049                        (int)parm[0].field, (int)parm[1].field); \
1050                 return false; \
1051         } \
1052 } while(0)
1053
1054 #define CHECK_NTTIMES_EQUAL(field) do { \
1055         if (labs(nt_time_to_unix(parm[0].field) - \
1056                 nt_time_to_unix(parm[1].field)) > time_skew() && \
1057             !ignore_pattern(#field)) { \
1058                 printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
1059                        (int)nt_time_to_unix(parm[0].field), \
1060                        (int)nt_time_to_unix(parm[1].field)); \
1061                 return false; \
1062         } \
1063 } while(0)
1064
1065 /*
1066   generate openx operations
1067 */
1068 static bool handler_openx(int instance)
1069 {
1070         union smb_open parm[NSERVERS];
1071         NTSTATUS status[NSERVERS];
1072
1073         parm[0].openx.level = RAW_OPEN_OPENX;
1074         parm[0].openx.in.flags = gen_openx_flags();
1075         parm[0].openx.in.open_mode = gen_openx_mode();
1076         parm[0].openx.in.search_attrs = gen_attrib();
1077         parm[0].openx.in.file_attrs = gen_attrib();
1078         parm[0].openx.in.write_time = gen_timet();
1079         parm[0].openx.in.open_func = gen_openx_func();
1080         parm[0].openx.in.size = gen_io_count();
1081         parm[0].openx.in.timeout = gen_timeout();
1082         parm[0].openx.in.fname = gen_fname_open(instance);
1083
1084         if (!options.use_oplocks) {
1085                 /* mask out oplocks */
1086                 parm[0].openx.in.flags &= ~(OPENX_FLAGS_REQUEST_OPLOCK|
1087                                             OPENX_FLAGS_REQUEST_BATCH_OPLOCK);
1088         }
1089
1090         GEN_COPY_PARM;
1091         GEN_CALL(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));
1092
1093         CHECK_EQUAL(openx.out.attrib);
1094         CHECK_EQUAL(openx.out.size);
1095         CHECK_EQUAL(openx.out.access);
1096         CHECK_EQUAL(openx.out.ftype);
1097         CHECK_EQUAL(openx.out.devstate);
1098         CHECK_EQUAL(openx.out.action);
1099         CHECK_EQUAL(openx.out.access_mask);
1100         CHECK_EQUAL(openx.out.unknown);
1101         CHECK_TIMES_EQUAL(openx.out.write_time);
1102
1103         /* open creates a new file handle */
1104         ADD_HANDLE(parm[0].openx.in.fname, openx.out.file.fnum);
1105
1106         return true;
1107 }
1108
1109
1110 /*
1111   generate open operations
1112 */
1113 static bool handler_open(int instance)
1114 {
1115         union smb_open parm[NSERVERS];
1116         NTSTATUS status[NSERVERS];
1117
1118         parm[0].openold.level = RAW_OPEN_OPEN;
1119         parm[0].openold.in.open_mode = gen_bits_mask2(0xF, 0xFFFF);
1120         parm[0].openold.in.search_attrs = gen_attrib();
1121         parm[0].openold.in.fname = gen_fname_open(instance);
1122
1123         if (!options.use_oplocks) {
1124                 /* mask out oplocks */
1125                 parm[0].openold.in.open_mode &= ~(OPENX_FLAGS_REQUEST_OPLOCK|
1126                                                   OPENX_FLAGS_REQUEST_BATCH_OPLOCK);
1127         }
1128
1129         GEN_COPY_PARM;
1130         GEN_CALL(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));
1131
1132         CHECK_EQUAL(openold.out.attrib);
1133         CHECK_TIMES_EQUAL(openold.out.write_time);
1134         CHECK_EQUAL(openold.out.size);
1135         CHECK_EQUAL(openold.out.rmode);
1136
1137         /* open creates a new file handle */
1138         ADD_HANDLE(parm[0].openold.in.fname, openold.out.file.fnum);
1139
1140         return true;
1141 }
1142
1143
1144 /*
1145   generate ntcreatex operations
1146 */
1147 static bool handler_ntcreatex(int instance)
1148 {
1149         union smb_open parm[NSERVERS];
1150         NTSTATUS status[NSERVERS];
1151
1152         parm[0].ntcreatex.level = RAW_OPEN_NTCREATEX;
1153         parm[0].ntcreatex.in.flags = gen_ntcreatex_flags();
1154         parm[0].ntcreatex.in.root_fid = gen_root_fid(instance);
1155         parm[0].ntcreatex.in.access_mask = gen_access_mask();
1156         parm[0].ntcreatex.in.alloc_size = gen_alloc_size();
1157         parm[0].ntcreatex.in.file_attr = gen_attrib();
1158         parm[0].ntcreatex.in.share_access = gen_bits_mask2(0x7, 0xFFFFFFFF);
1159         parm[0].ntcreatex.in.open_disposition = gen_open_disp();
1160         parm[0].ntcreatex.in.create_options = gen_create_options();
1161         parm[0].ntcreatex.in.impersonation = gen_bits_mask2(0, 0xFFFFFFFF);
1162         parm[0].ntcreatex.in.security_flags = gen_bits_mask2(0, 0xFF);
1163         parm[0].ntcreatex.in.fname = gen_fname_open(instance);
1164
1165         if (!options.use_oplocks) {
1166                 /* mask out oplocks */
1167                 parm[0].ntcreatex.in.flags &= ~(NTCREATEX_FLAGS_REQUEST_OPLOCK|
1168                                                 NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK);
1169         }
1170
1171         GEN_COPY_PARM;
1172         if (parm[0].ntcreatex.in.root_fid != 0) {
1173                 GEN_SET_FNUM(ntcreatex.in.root_fid);
1174         }
1175         GEN_CALL(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));
1176
1177         CHECK_EQUAL(ntcreatex.out.oplock_level);
1178         CHECK_EQUAL(ntcreatex.out.create_action);
1179         CHECK_NTTIMES_EQUAL(ntcreatex.out.create_time);
1180         CHECK_NTTIMES_EQUAL(ntcreatex.out.access_time);
1181         CHECK_NTTIMES_EQUAL(ntcreatex.out.write_time);
1182         CHECK_NTTIMES_EQUAL(ntcreatex.out.change_time);
1183         CHECK_EQUAL(ntcreatex.out.attrib);
1184         CHECK_EQUAL(ntcreatex.out.alloc_size);
1185         CHECK_EQUAL(ntcreatex.out.size);
1186         CHECK_EQUAL(ntcreatex.out.file_type);
1187         CHECK_EQUAL(ntcreatex.out.ipc_state);
1188         CHECK_EQUAL(ntcreatex.out.is_directory);
1189
1190         /* ntcreatex creates a new file handle */
1191         ADD_HANDLE(parm[0].ntcreatex.in.fname, ntcreatex.out.file.fnum);
1192
1193         return true;
1194 }
1195
1196 /*
1197   generate close operations
1198 */
1199 static bool handler_close(int instance)
1200 {
1201         union smb_close parm[NSERVERS];
1202         NTSTATUS status[NSERVERS];
1203
1204         parm[0].close.level = RAW_CLOSE_CLOSE;
1205         parm[0].close.in.file.fnum = gen_fnum_close(instance);
1206         parm[0].close.in.write_time = gen_timet();
1207
1208         GEN_COPY_PARM;
1209         GEN_SET_FNUM(close.in.file.fnum);
1210         GEN_CALL(smb_raw_close(tree, &parm[i]));
1211
1212         REMOVE_HANDLE(close.in.file.fnum);
1213
1214         return true;
1215 }
1216
1217 /*
1218   generate unlink operations
1219 */
1220 static bool handler_unlink(int instance)
1221 {
1222         union smb_unlink parm[NSERVERS];
1223         NTSTATUS status[NSERVERS];
1224
1225         parm[0].unlink.in.pattern = gen_pattern();
1226         parm[0].unlink.in.attrib = gen_attrib();
1227
1228         GEN_COPY_PARM;
1229         GEN_CALL(smb_raw_unlink(tree, &parm[i]));
1230
1231         return true;
1232 }
1233
1234 /*
1235   generate chkpath operations
1236 */
1237 static bool handler_chkpath(int instance)
1238 {
1239         union smb_chkpath parm[NSERVERS];
1240         NTSTATUS status[NSERVERS];
1241
1242         parm[0].chkpath.in.path = gen_fname_open(instance);
1243
1244         GEN_COPY_PARM;
1245         GEN_CALL(smb_raw_chkpath(tree, &parm[i]));
1246
1247         return true;
1248 }
1249
1250 /*
1251   generate mkdir operations
1252 */
1253 static bool handler_mkdir(int instance)
1254 {
1255         union smb_mkdir parm[NSERVERS];
1256         NTSTATUS status[NSERVERS];
1257
1258         parm[0].mkdir.level = RAW_MKDIR_MKDIR;
1259         parm[0].mkdir.in.path = gen_fname_open(instance);
1260
1261         GEN_COPY_PARM;
1262         GEN_CALL(smb_raw_mkdir(tree, &parm[i]));
1263
1264         return true;
1265 }
1266
1267 /*
1268   generate rmdir operations
1269 */
1270 static bool handler_rmdir(int instance)
1271 {
1272         struct smb_rmdir parm[NSERVERS];
1273         NTSTATUS status[NSERVERS];
1274
1275         parm[0].in.path = gen_fname_open(instance);
1276
1277         GEN_COPY_PARM;
1278         GEN_CALL(smb_raw_rmdir(tree, &parm[i]));
1279
1280         return true;
1281 }
1282
1283 /*
1284   generate rename operations
1285 */
1286 static bool handler_rename(int instance)
1287 {
1288         union smb_rename parm[NSERVERS];
1289         NTSTATUS status[NSERVERS];
1290
1291         parm[0].generic.level = RAW_RENAME_RENAME;
1292         parm[0].rename.in.pattern1 = gen_pattern();
1293         parm[0].rename.in.pattern2 = gen_pattern();
1294         parm[0].rename.in.attrib = gen_attrib();
1295
1296         GEN_COPY_PARM;
1297         GEN_CALL(smb_raw_rename(tree, &parm[i]));
1298
1299         return true;
1300 }
1301
1302 /*
1303   generate ntrename operations
1304 */
1305 static bool handler_ntrename(int instance)
1306 {
1307         union smb_rename parm[NSERVERS];
1308         NTSTATUS status[NSERVERS];
1309
1310         parm[0].generic.level = RAW_RENAME_NTRENAME;
1311         parm[0].ntrename.in.old_name = gen_fname();
1312         parm[0].ntrename.in.new_name = gen_fname();
1313         parm[0].ntrename.in.attrib = gen_attrib();
1314         parm[0].ntrename.in.cluster_size = gen_bits_mask2(0, 0xFFFFFFF);
1315         parm[0].ntrename.in.flags = gen_rename_flags();
1316
1317         GEN_COPY_PARM;
1318         GEN_CALL(smb_raw_rename(tree, &parm[i]));
1319
1320         return true;
1321 }
1322
1323
1324 /*
1325   generate seek operations
1326 */
1327 static bool handler_seek(int instance)
1328 {
1329         union smb_seek parm[NSERVERS];
1330         NTSTATUS status[NSERVERS];
1331
1332         parm[0].lseek.in.file.fnum = gen_fnum(instance);
1333         parm[0].lseek.in.mode = gen_bits_mask2(0x3, 0xFFFF);
1334         parm[0].lseek.in.offset = gen_offset();
1335
1336         GEN_COPY_PARM;
1337         GEN_SET_FNUM(lseek.in.file.fnum);
1338         GEN_CALL(smb_raw_seek(tree, &parm[i]));
1339
1340         CHECK_EQUAL(lseek.out.offset);
1341
1342         return true;
1343 }
1344
1345
1346 /*
1347   generate readx operations
1348 */
1349 static bool handler_readx(int instance)
1350 {
1351         union smb_read parm[NSERVERS];
1352         NTSTATUS status[NSERVERS];
1353
1354         parm[0].readx.level = RAW_READ_READX;
1355         parm[0].readx.in.file.fnum = gen_fnum(instance);
1356         parm[0].readx.in.offset = gen_offset();
1357         parm[0].readx.in.mincnt = gen_io_count();
1358         parm[0].readx.in.maxcnt = gen_io_count();
1359         parm[0].readx.in.remaining = gen_io_count();
1360         parm[0].readx.in.read_for_execute = gen_bool();
1361         parm[0].readx.out.data = talloc_array(current_op.mem_ctx, uint8_t,
1362                                              MAX(parm[0].readx.in.mincnt, parm[0].readx.in.maxcnt));
1363
1364         GEN_COPY_PARM;
1365         GEN_SET_FNUM(readx.in.file.fnum);
1366         GEN_CALL(smb_raw_read(tree, &parm[i]));
1367
1368         CHECK_EQUAL(readx.out.remaining);
1369         CHECK_EQUAL(readx.out.compaction_mode);
1370         CHECK_EQUAL(readx.out.nread);
1371
1372         return true;
1373 }
1374
1375 /*
1376   generate writex operations
1377 */
1378 static bool handler_writex(int instance)
1379 {
1380         union smb_write parm[NSERVERS];
1381         NTSTATUS status[NSERVERS];
1382
1383         parm[0].writex.level = RAW_WRITE_WRITEX;
1384         parm[0].writex.in.file.fnum = gen_fnum(instance);
1385         parm[0].writex.in.offset = gen_offset();
1386         parm[0].writex.in.wmode = gen_bits_mask(0xFFFF);
1387         parm[0].writex.in.remaining = gen_io_count();
1388         parm[0].writex.in.count = gen_io_count();
1389         parm[0].writex.in.data = talloc_zero_array(current_op.mem_ctx, uint8_t, parm[0].writex.in.count);
1390
1391         GEN_COPY_PARM;
1392         GEN_SET_FNUM(writex.in.file.fnum);
1393         GEN_CALL(smb_raw_write(tree, &parm[i]));
1394
1395         CHECK_EQUAL(writex.out.nwritten);
1396         CHECK_EQUAL(writex.out.remaining);
1397
1398         return true;
1399 }
1400
1401 /*
1402   generate lockingx operations
1403 */
1404 static bool handler_lockingx(int instance)
1405 {
1406         union smb_lock parm[NSERVERS];
1407         NTSTATUS status[NSERVERS];
1408         int n, nlocks;
1409
1410         parm[0].lockx.level = RAW_LOCK_LOCKX;
1411         parm[0].lockx.in.file.fnum = gen_fnum(instance);
1412         parm[0].lockx.in.mode = gen_lock_mode();
1413         parm[0].lockx.in.timeout = gen_timeout();
1414         do {
1415                 /* make sure we don't accidentially generate an oplock
1416                    break ack - otherwise the server can just block forever */
1417                 parm[0].lockx.in.ulock_cnt = gen_lock_count();
1418                 parm[0].lockx.in.lock_cnt = gen_lock_count();
1419                 nlocks = parm[0].lockx.in.ulock_cnt + parm[0].lockx.in.lock_cnt;
1420         } while (nlocks == 0);
1421
1422         if (nlocks > 0) {
1423                 parm[0].lockx.in.locks = talloc_array(current_op.mem_ctx,
1424                                                         struct smb_lock_entry,
1425                                                         nlocks);
1426                 for (n=0;n<nlocks;n++) {
1427                         parm[0].lockx.in.locks[n].pid = gen_pid();
1428                         parm[0].lockx.in.locks[n].offset = gen_offset();
1429                         parm[0].lockx.in.locks[n].count = gen_io_count();
1430                 }
1431         }
1432
1433         GEN_COPY_PARM;
1434         GEN_SET_FNUM(lockx.in.file.fnum);
1435         GEN_CALL(smb_raw_lock(tree, &parm[i]));
1436
1437         return true;
1438 }
1439
1440 /*
1441   generate a fileinfo query structure
1442 */
1443 static void gen_fileinfo(int instance, union smb_fileinfo *info)
1444 {
1445         int i;
1446         #define LVL(v) {RAW_FILEINFO_ ## v, "RAW_FILEINFO_" #v}
1447         struct {
1448                 enum smb_fileinfo_level level;
1449                 const char *name;
1450         }  levels[] = {
1451                 LVL(GETATTR), LVL(GETATTRE), LVL(STANDARD),
1452                 LVL(EA_SIZE), LVL(ALL_EAS), LVL(IS_NAME_VALID),
1453                 LVL(BASIC_INFO), LVL(STANDARD_INFO), LVL(EA_INFO),
1454                 LVL(NAME_INFO), LVL(ALL_INFO), LVL(ALT_NAME_INFO),
1455                 LVL(STREAM_INFO), LVL(COMPRESSION_INFO), LVL(BASIC_INFORMATION),
1456                 LVL(STANDARD_INFORMATION), LVL(INTERNAL_INFORMATION), LVL(EA_INFORMATION),
1457                 LVL(ACCESS_INFORMATION), LVL(NAME_INFORMATION), LVL(POSITION_INFORMATION),
1458                 LVL(MODE_INFORMATION), LVL(ALIGNMENT_INFORMATION), LVL(ALL_INFORMATION),
1459                 LVL(ALT_NAME_INFORMATION), LVL(STREAM_INFORMATION), LVL(COMPRESSION_INFORMATION),
1460                 LVL(NETWORK_OPEN_INFORMATION), LVL(ATTRIBUTE_TAG_INFORMATION)
1461         };
1462         do {
1463                 i = gen_int_range(0, ARRAY_SIZE(levels)-1);
1464         } while (ignore_pattern(levels[i].name));
1465
1466         info->generic.level = levels[i].level;
1467 }
1468
1469 /*
1470   compare returned fileinfo structures
1471 */
1472 static bool cmp_fileinfo(int instance,
1473                          union smb_fileinfo parm[NSERVERS],
1474                          NTSTATUS status[NSERVERS])
1475 {
1476         int i;
1477
1478         switch (parm[0].generic.level) {
1479         case RAW_FILEINFO_GENERIC:
1480                 return false;
1481
1482         case RAW_FILEINFO_GETATTR:
1483                 CHECK_EQUAL(getattr.out.attrib);
1484                 CHECK_EQUAL(getattr.out.size);
1485                 CHECK_TIMES_EQUAL(getattr.out.write_time);
1486                 break;
1487
1488         case RAW_FILEINFO_GETATTRE:
1489                 CHECK_TIMES_EQUAL(getattre.out.create_time);
1490                 CHECK_TIMES_EQUAL(getattre.out.access_time);
1491                 CHECK_TIMES_EQUAL(getattre.out.write_time);
1492                 CHECK_EQUAL(getattre.out.size);
1493                 CHECK_EQUAL(getattre.out.alloc_size);
1494                 CHECK_EQUAL(getattre.out.attrib);
1495                 break;
1496
1497         case RAW_FILEINFO_STANDARD:
1498                 CHECK_TIMES_EQUAL(standard.out.create_time);
1499                 CHECK_TIMES_EQUAL(standard.out.access_time);
1500                 CHECK_TIMES_EQUAL(standard.out.write_time);
1501                 CHECK_EQUAL(standard.out.size);
1502                 CHECK_EQUAL(standard.out.alloc_size);
1503                 CHECK_EQUAL(standard.out.attrib);
1504                 break;
1505
1506         case RAW_FILEINFO_EA_SIZE:
1507                 CHECK_TIMES_EQUAL(ea_size.out.create_time);
1508                 CHECK_TIMES_EQUAL(ea_size.out.access_time);
1509                 CHECK_TIMES_EQUAL(ea_size.out.write_time);
1510                 CHECK_EQUAL(ea_size.out.size);
1511                 CHECK_EQUAL(ea_size.out.alloc_size);
1512                 CHECK_EQUAL(ea_size.out.attrib);
1513                 CHECK_EQUAL(ea_size.out.ea_size);
1514                 break;
1515
1516         case RAW_FILEINFO_ALL_EAS:
1517                 CHECK_EQUAL(all_eas.out.num_eas);
1518                 for (i=0;i<parm[0].all_eas.out.num_eas;i++) {
1519                         CHECK_EQUAL(all_eas.out.eas[i].flags);
1520                         CHECK_WSTR_EQUAL(all_eas.out.eas[i].name);
1521                         CHECK_BLOB_EQUAL(all_eas.out.eas[i].value);
1522                 }
1523                 break;
1524
1525         case RAW_FILEINFO_IS_NAME_VALID:
1526                 break;
1527
1528         case RAW_FILEINFO_BASIC_INFO:
1529         case RAW_FILEINFO_BASIC_INFORMATION:
1530                 CHECK_NTTIMES_EQUAL(basic_info.out.create_time);
1531                 CHECK_NTTIMES_EQUAL(basic_info.out.access_time);
1532                 CHECK_NTTIMES_EQUAL(basic_info.out.write_time);
1533                 CHECK_NTTIMES_EQUAL(basic_info.out.change_time);
1534                 CHECK_EQUAL(basic_info.out.attrib);
1535                 break;
1536
1537         case RAW_FILEINFO_STANDARD_INFO:
1538         case RAW_FILEINFO_STANDARD_INFORMATION:
1539                 CHECK_EQUAL(standard_info.out.alloc_size);
1540                 CHECK_EQUAL(standard_info.out.size);
1541                 CHECK_EQUAL(standard_info.out.nlink);
1542                 CHECK_EQUAL(standard_info.out.delete_pending);
1543                 CHECK_EQUAL(standard_info.out.directory);
1544                 break;
1545
1546         case RAW_FILEINFO_EA_INFO:
1547         case RAW_FILEINFO_EA_INFORMATION:
1548                 CHECK_EQUAL(ea_info.out.ea_size);
1549                 break;
1550
1551         case RAW_FILEINFO_NAME_INFO:
1552         case RAW_FILEINFO_NAME_INFORMATION:
1553                 CHECK_WSTR_EQUAL(name_info.out.fname);
1554                 break;
1555
1556         case RAW_FILEINFO_ALL_INFO:
1557         case RAW_FILEINFO_ALL_INFORMATION:
1558                 CHECK_NTTIMES_EQUAL(all_info.out.create_time);
1559                 CHECK_NTTIMES_EQUAL(all_info.out.access_time);
1560                 CHECK_NTTIMES_EQUAL(all_info.out.write_time);
1561                 CHECK_NTTIMES_EQUAL(all_info.out.change_time);
1562                 CHECK_EQUAL(all_info.out.attrib);
1563                 CHECK_EQUAL(all_info.out.alloc_size);
1564                 CHECK_EQUAL(all_info.out.size);
1565                 CHECK_EQUAL(all_info.out.nlink);
1566                 CHECK_EQUAL(all_info.out.delete_pending);
1567                 CHECK_EQUAL(all_info.out.directory);
1568                 CHECK_EQUAL(all_info.out.ea_size);
1569                 CHECK_WSTR_EQUAL(all_info.out.fname);
1570                 break;
1571
1572         case RAW_FILEINFO_ALT_NAME_INFO:
1573         case RAW_FILEINFO_ALT_NAME_INFORMATION:
1574                 CHECK_WSTR_EQUAL(alt_name_info.out.fname);
1575                 break;
1576
1577         case RAW_FILEINFO_STREAM_INFO:
1578         case RAW_FILEINFO_STREAM_INFORMATION:
1579                 CHECK_EQUAL(stream_info.out.num_streams);
1580                 for (i=0;i<parm[0].stream_info.out.num_streams;i++) {
1581                         CHECK_EQUAL(stream_info.out.streams[i].size);
1582                         CHECK_EQUAL(stream_info.out.streams[i].alloc_size);
1583                         CHECK_WSTR_EQUAL(stream_info.out.streams[i].stream_name);
1584                 }
1585                 break;
1586
1587         case RAW_FILEINFO_COMPRESSION_INFO:
1588         case RAW_FILEINFO_COMPRESSION_INFORMATION:
1589                 CHECK_EQUAL(compression_info.out.compressed_size);
1590                 CHECK_EQUAL(compression_info.out.format);
1591                 CHECK_EQUAL(compression_info.out.unit_shift);
1592                 CHECK_EQUAL(compression_info.out.chunk_shift);
1593                 CHECK_EQUAL(compression_info.out.cluster_shift);
1594                 break;
1595
1596         case RAW_FILEINFO_INTERNAL_INFORMATION:
1597                 CHECK_EQUAL(internal_information.out.file_id);
1598                 break;
1599
1600         case RAW_FILEINFO_ACCESS_INFORMATION:
1601                 CHECK_EQUAL(access_information.out.access_flags);
1602                 break;
1603
1604         case RAW_FILEINFO_POSITION_INFORMATION:
1605                 CHECK_EQUAL(position_information.out.position);
1606                 break;
1607
1608         case RAW_FILEINFO_MODE_INFORMATION:
1609                 CHECK_EQUAL(mode_information.out.mode);
1610                 break;
1611
1612         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
1613                 CHECK_EQUAL(alignment_information.out.alignment_requirement);
1614                 break;
1615
1616         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
1617                 CHECK_NTTIMES_EQUAL(network_open_information.out.create_time);
1618                 CHECK_NTTIMES_EQUAL(network_open_information.out.access_time);
1619                 CHECK_NTTIMES_EQUAL(network_open_information.out.write_time);
1620                 CHECK_NTTIMES_EQUAL(network_open_information.out.change_time);
1621                 CHECK_EQUAL(network_open_information.out.alloc_size);
1622                 CHECK_EQUAL(network_open_information.out.size);
1623                 CHECK_EQUAL(network_open_information.out.attrib);
1624                 break;
1625
1626         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
1627                 CHECK_EQUAL(attribute_tag_information.out.attrib);
1628                 CHECK_EQUAL(attribute_tag_information.out.reparse_tag);
1629                 break;
1630
1631                 /* Unhandled levels */
1632
1633         case RAW_FILEINFO_SEC_DESC:
1634         case RAW_FILEINFO_EA_LIST:
1635         case RAW_FILEINFO_UNIX_BASIC:
1636         case RAW_FILEINFO_UNIX_LINK:
1637         case RAW_FILEINFO_SMB2_ALL_EAS:
1638         case RAW_FILEINFO_SMB2_ALL_INFORMATION:
1639                 break;
1640         }
1641
1642         return true;
1643 }
1644
1645 /*
1646   generate qpathinfo operations
1647 */
1648 static bool handler_qpathinfo(int instance)
1649 {
1650         union smb_fileinfo parm[NSERVERS];
1651         NTSTATUS status[NSERVERS];
1652
1653         parm[0].generic.in.file.path = gen_fname_open(instance);
1654
1655         gen_fileinfo(instance, &parm[0]);
1656
1657         GEN_COPY_PARM;
1658         GEN_CALL(smb_raw_pathinfo(tree, current_op.mem_ctx, &parm[i]));
1659
1660         return cmp_fileinfo(instance, parm, status);
1661 }
1662
1663 /*
1664   generate qfileinfo operations
1665 */
1666 static bool handler_qfileinfo(int instance)
1667 {
1668         union smb_fileinfo parm[NSERVERS];
1669         NTSTATUS status[NSERVERS];
1670
1671         parm[0].generic.in.file.fnum = gen_fnum(instance);
1672
1673         gen_fileinfo(instance, &parm[0]);
1674
1675         GEN_COPY_PARM;
1676         GEN_SET_FNUM(generic.in.file.fnum);
1677         GEN_CALL(smb_raw_fileinfo(tree, current_op.mem_ctx, &parm[i]));
1678
1679         return cmp_fileinfo(instance, parm, status);
1680 }
1681
1682
1683 /*
1684   generate a fileinfo query structure
1685 */
1686 static void gen_setfileinfo(int instance, union smb_setfileinfo *info)
1687 {
1688         int i;
1689         #undef LVL
1690         #define LVL(v) {RAW_SFILEINFO_ ## v, "RAW_SFILEINFO_" #v}
1691         struct {
1692                 enum smb_setfileinfo_level level;
1693                 const char *name;
1694         }  levels[] = {
1695 #if 0
1696                 /* disabled until win2003 can handle them ... */
1697                 LVL(EA_SET), LVL(BASIC_INFO), LVL(DISPOSITION_INFO),
1698                 LVL(STANDARD), LVL(ALLOCATION_INFO), LVL(END_OF_FILE_INFO),
1699 #endif
1700                 LVL(SETATTR), LVL(SETATTRE), LVL(BASIC_INFORMATION),
1701                 LVL(RENAME_INFORMATION), LVL(DISPOSITION_INFORMATION),
1702                 LVL(POSITION_INFORMATION), LVL(MODE_INFORMATION),
1703                 LVL(ALLOCATION_INFORMATION), LVL(END_OF_FILE_INFORMATION),
1704                 LVL(1023), LVL(1025), LVL(1029), LVL(1032), LVL(1039), LVL(1040)
1705         };
1706         do {
1707                 i = gen_int_range(0, ARRAY_SIZE(levels)-1);
1708         } while (ignore_pattern(levels[i].name));
1709
1710         info->generic.level = levels[i].level;
1711
1712         switch (info->generic.level) {
1713         case RAW_SFILEINFO_SETATTR:
1714                 info->setattr.in.attrib = gen_attrib();
1715                 info->setattr.in.write_time = gen_timet();
1716                 break;
1717         case RAW_SFILEINFO_SETATTRE:
1718                 info->setattre.in.create_time = gen_timet();
1719                 info->setattre.in.access_time = gen_timet();
1720                 info->setattre.in.write_time = gen_timet();
1721                 break;
1722         case RAW_SFILEINFO_STANDARD:
1723                 info->standard.in.create_time = gen_timet();
1724                 info->standard.in.access_time = gen_timet();
1725                 info->standard.in.write_time = gen_timet();
1726                 break;
1727         case RAW_SFILEINFO_EA_SET: {
1728                 static struct ea_struct ea;
1729                 info->ea_set.in.num_eas = 1;
1730                 info->ea_set.in.eas = &ea;
1731                 info->ea_set.in.eas[0] = gen_ea_struct();
1732         }
1733                 break;
1734         case RAW_SFILEINFO_BASIC_INFO:
1735         case RAW_SFILEINFO_BASIC_INFORMATION:
1736                 info->basic_info.in.create_time = gen_nttime();
1737                 info->basic_info.in.access_time = gen_nttime();
1738                 info->basic_info.in.write_time = gen_nttime();
1739                 info->basic_info.in.change_time = gen_nttime();
1740                 info->basic_info.in.attrib = gen_attrib();
1741                 break;
1742         case RAW_SFILEINFO_DISPOSITION_INFO:
1743         case RAW_SFILEINFO_DISPOSITION_INFORMATION:
1744                 info->disposition_info.in.delete_on_close = gen_bool();
1745                 break;
1746         case RAW_SFILEINFO_ALLOCATION_INFO:
1747         case RAW_SFILEINFO_ALLOCATION_INFORMATION:
1748                 info->allocation_info.in.alloc_size = gen_alloc_size();
1749                 break;
1750         case RAW_SFILEINFO_END_OF_FILE_INFO:
1751         case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
1752                 info->end_of_file_info.in.size = gen_offset();
1753                 break;
1754         case RAW_SFILEINFO_RENAME_INFORMATION:
1755                 info->rename_information.in.overwrite = gen_bool();
1756                 info->rename_information.in.root_fid = gen_root_fid(instance);
1757                 info->rename_information.in.new_name = gen_fname_open(instance);
1758                 break;
1759         case RAW_SFILEINFO_POSITION_INFORMATION:
1760                 info->position_information.in.position = gen_offset();
1761                 break;
1762         case RAW_SFILEINFO_MODE_INFORMATION:
1763                 info->mode_information.in.mode = gen_bits_mask(0xFFFFFFFF);
1764                 break;
1765         case RAW_SFILEINFO_GENERIC:
1766         case RAW_SFILEINFO_SEC_DESC:
1767         case RAW_SFILEINFO_UNIX_BASIC:
1768         case RAW_SFILEINFO_UNIX_LINK:
1769         case RAW_SFILEINFO_UNIX_HLINK:
1770         case RAW_SFILEINFO_1023:
1771         case RAW_SFILEINFO_1025:
1772         case RAW_SFILEINFO_1029:
1773         case RAW_SFILEINFO_1032:
1774         case RAW_SFILEINFO_1039:
1775         case RAW_SFILEINFO_1040:
1776                 /* Untested */
1777                 break;
1778         }
1779 }
1780
1781 /*
1782   generate setpathinfo operations
1783 */
1784 static bool handler_spathinfo(int instance)
1785 {
1786         union smb_setfileinfo parm[NSERVERS];
1787         NTSTATUS status[NSERVERS];
1788
1789         parm[0].generic.in.file.path = gen_fname_open(instance);
1790
1791         gen_setfileinfo(instance, &parm[0]);
1792
1793         GEN_COPY_PARM;
1794
1795         /* a special case for the fid in a RENAME */
1796         if (parm[0].generic.level == RAW_SFILEINFO_RENAME_INFORMATION &&
1797             parm[0].rename_information.in.root_fid != 0) {
1798                 GEN_SET_FNUM(rename_information.in.root_fid);
1799         }
1800
1801         GEN_CALL(smb_raw_setpathinfo(tree, &parm[i]));
1802
1803         return true;
1804 }
1805
1806
1807 /*
1808   generate setfileinfo operations
1809 */
1810 static bool handler_sfileinfo(int instance)
1811 {
1812         union smb_setfileinfo parm[NSERVERS];
1813         NTSTATUS status[NSERVERS];
1814
1815         parm[0].generic.in.file.fnum = gen_fnum(instance);
1816
1817         gen_setfileinfo(instance, &parm[0]);
1818
1819         GEN_COPY_PARM;
1820         GEN_SET_FNUM(generic.in.file.fnum);
1821         GEN_CALL(smb_raw_setfileinfo(tree, &parm[i]));
1822
1823         return true;
1824 }
1825
1826
1827 /*
1828   generate change notify operations
1829 */
1830 static bool handler_notify(int instance)
1831 {
1832         union smb_notify parm[NSERVERS];
1833         int n;
1834
1835         ZERO_STRUCT(parm[0]);
1836         parm[0].nttrans.level                   = RAW_NOTIFY_NTTRANS;
1837         parm[0].nttrans.in.buffer_size          = gen_io_count();
1838         parm[0].nttrans.in.completion_filter    = gen_bits_mask(0xFF);
1839         parm[0].nttrans.in.file.fnum            = gen_fnum(instance);
1840         parm[0].nttrans.in.recursive            = gen_bool();
1841
1842         GEN_COPY_PARM;
1843         GEN_SET_FNUM(nttrans.in.file.fnum);
1844
1845         for (n=0;n<NSERVERS;n++) {
1846                 struct smbcli_request *req;
1847                 req = smb_raw_changenotify_send(servers[n].cli[instance]->tree, &parm[n]);
1848                 req->async.fn = async_notify;
1849         }
1850
1851         return true;
1852 }
1853
1854 /*
1855   wipe any relevant files
1856 */
1857 static void wipe_files(void)
1858 {
1859         int i;
1860         for (i=0;i<NSERVERS;i++) {
1861                 int n = smbcli_deltree(servers[i].cli[0]->tree, "\\gentest");
1862                 if (n == -1) {
1863                         printf("Failed to wipe tree on server %d\n", i);
1864                         exit(1);
1865                 }
1866                 if (NT_STATUS_IS_ERR(smbcli_mkdir(servers[i].cli[0]->tree, "\\gentest"))) {
1867                         printf("Failed to create \\gentest - %s\n",
1868                                smbcli_errstr(servers[i].cli[0]->tree));
1869                         exit(1);
1870                 }
1871                 if (n > 0) {
1872                         printf("Deleted %d files on server %d\n", n, i);
1873                 }
1874         }
1875 }
1876
1877 /*
1878   dump the current seeds - useful for continuing a backtrack
1879 */
1880 static void dump_seeds(void)
1881 {
1882         int i;
1883         FILE *f;
1884
1885         if (!options.seeds_file) {
1886                 return;
1887         }
1888         f = fopen("seeds.tmp", "w");
1889         if (!f) return;
1890
1891         for (i=0;i<options.numops;i++) {
1892                 fprintf(f, "%u\n", op_parms[i].seed);
1893         }
1894         fclose(f);
1895         rename("seeds.tmp", options.seeds_file);
1896 }
1897
1898
1899
1900 /*
1901   the list of top-level operations that we will generate
1902 */
1903 static struct {
1904         const char *name;
1905         bool (*handler)(int instance);
1906         int count, success_count;
1907 } gen_ops[] = {
1908         {"OPEN",       handler_open},
1909         {"OPENX",      handler_openx},
1910         {"NTCREATEX",  handler_ntcreatex},
1911         {"CLOSE",      handler_close},
1912         {"UNLINK",     handler_unlink},
1913         {"MKDIR",      handler_mkdir},
1914         {"RMDIR",      handler_rmdir},
1915         {"RENAME",     handler_rename},
1916         {"NTRENAME",   handler_ntrename},
1917         {"READX",      handler_readx},
1918         {"WRITEX",     handler_writex},
1919         {"CHKPATH",    handler_chkpath},
1920         {"LOCKINGX",   handler_lockingx},
1921         {"QPATHINFO",  handler_qpathinfo},
1922         {"QFILEINFO",  handler_qfileinfo},
1923         {"SPATHINFO",  handler_spathinfo},
1924         {"SFILEINFO",  handler_sfileinfo},
1925         {"NOTIFY",     handler_notify},
1926         {"SEEK",       handler_seek},
1927 };
1928
1929
1930 /*
1931   run the test with the current set of op_parms parameters
1932   return the number of operations that completed successfully
1933 */
1934 static int run_test(struct loadparm_context *lp_ctx)
1935 {
1936         int op, i;
1937
1938         if (!connect_servers(lp_ctx)) {
1939                 printf("Failed to connect to servers\n");
1940                 exit(1);
1941         }
1942
1943         dump_seeds();
1944
1945         /* wipe any leftover files from old runs */
1946         wipe_files();
1947
1948         /* reset the open handles array */
1949         memset(open_handles, 0, options.max_open_handles * sizeof(open_handles[0]));
1950         num_open_handles = 0;
1951
1952         for (i=0;i<ARRAY_SIZE(gen_ops);i++) {
1953                 gen_ops[i].count = 0;
1954                 gen_ops[i].success_count = 0;
1955         }
1956
1957         for (op=0; op<options.numops; op++) {
1958                 int instance, which_op;
1959                 bool ret;
1960
1961                 if (op_parms[op].disabled) continue;
1962
1963                 srandom(op_parms[op].seed);
1964
1965                 instance = gen_int_range(0, NINSTANCES-1);
1966
1967                 /* generate a non-ignored operation */
1968                 do {
1969                         which_op = gen_int_range(0, ARRAY_SIZE(gen_ops)-1);
1970                 } while (ignore_pattern(gen_ops[which_op].name));
1971
1972                 DEBUG(3,("Generating op %s on instance %d\n",
1973                          gen_ops[which_op].name, instance));
1974
1975                 current_op.seed = op_parms[op].seed;
1976                 current_op.opnum = op;
1977                 current_op.name = gen_ops[which_op].name;
1978                 current_op.status = NT_STATUS_OK;
1979                 current_op.mem_ctx = talloc_named(NULL, 0, "%s", current_op.name);
1980
1981                 ret = gen_ops[which_op].handler(instance);
1982
1983                 talloc_free(current_op.mem_ctx);
1984
1985                 gen_ops[which_op].count++;
1986                 if (NT_STATUS_IS_OK(current_op.status)) {
1987                         gen_ops[which_op].success_count++;
1988                 }
1989
1990                 if (!ret) {
1991                         printf("Failed at operation %d - %s\n",
1992                                op, gen_ops[which_op].name);
1993                         return op;
1994                 }
1995
1996                 if (op % 100 == 0) {
1997                         printf("%d\n", op);
1998                 }
1999         }
2000
2001         for (i=0;i<ARRAY_SIZE(gen_ops);i++) {
2002                 printf("Op %-10s got %d/%d success\n",
2003                        gen_ops[i].name,
2004                        gen_ops[i].success_count,
2005                        gen_ops[i].count);
2006         }
2007
2008         return op;
2009 }
2010
2011 /*
2012    perform a backtracking analysis of the minimal set of operations
2013    to generate an error
2014 */
2015 static void backtrack_analyze(struct loadparm_context *lp_ctx)
2016 {
2017         int chunk, ret;
2018
2019         chunk = options.numops / 2;
2020
2021         do {
2022                 int base;
2023                 for (base=0;
2024                      chunk > 0 && base+chunk < options.numops && options.numops > 1; ) {
2025                         int i, max;
2026
2027                         chunk = MIN(chunk, options.numops / 2);
2028
2029                         /* mark this range as disabled */
2030                         max = MIN(options.numops, base+chunk);
2031                         for (i=base;i<max; i++) {
2032                                 op_parms[i].disabled = true;
2033                         }
2034                         printf("Testing %d ops with %d-%d disabled\n",
2035                                options.numops, base, max-1);
2036                         ret = run_test(lp_ctx);
2037                         printf("Completed %d of %d ops\n", ret, options.numops);
2038                         for (i=base;i<max; i++) {
2039                                 op_parms[i].disabled = false;
2040                         }
2041                         if (ret == options.numops) {
2042                                 /* this chunk is needed */
2043                                 base += chunk;
2044                         } else if (ret < base) {
2045                                 printf("damn - inconsistent errors! found early error\n");
2046                                 options.numops = ret+1;
2047                                 base = 0;
2048                         } else {
2049                                 /* it failed - this chunk isn't needed for a failure */
2050                                 memmove(&op_parms[base], &op_parms[max],
2051                                         sizeof(op_parms[0]) * (options.numops - max));
2052                                 options.numops = (ret+1) - (max - base);
2053                         }
2054                 }
2055
2056                 if (chunk == 2) {
2057                         chunk = 1;
2058                 } else {
2059                         chunk *= 0.4;
2060                 }
2061
2062                 if (options.analyze_continuous && chunk == 0 && options.numops != 1) {
2063                         chunk = 1;
2064                 }
2065         } while (chunk > 0);
2066
2067         printf("Reduced to %d ops\n", options.numops);
2068         ret = run_test(lp_ctx);
2069         if (ret != options.numops - 1) {
2070                 printf("Inconsistent result? ret=%d numops=%d\n", ret, options.numops);
2071         }
2072 }
2073
2074 /*
2075    start the main gentest process
2076 */
2077 static bool start_gentest(struct loadparm_context *lp_ctx)
2078 {
2079         int op;
2080         int ret;
2081
2082         /* allocate the open_handles array */
2083         open_handles = calloc(options.max_open_handles, sizeof(open_handles[0]));
2084
2085         srandom(options.seed);
2086         op_parms = calloc(options.numops, sizeof(op_parms[0]));
2087
2088         /* generate the seeds - after this everything is deterministic */
2089         if (options.use_preset_seeds) {
2090                 int numops;
2091                 char **preset = file_lines_load(options.seeds_file, &numops, NULL);
2092                 if (!preset) {
2093                         printf("Failed to load %s - %s\n", options.seeds_file, strerror(errno));
2094                         exit(1);
2095                 }
2096                 if (numops < options.numops) {
2097                         options.numops = numops;
2098                 }
2099                 for (op=0;op<options.numops;op++) {
2100                         if (!preset[op]) {
2101                                 printf("Not enough seeds in %s\n", options.seeds_file);
2102                                 exit(1);
2103                         }
2104                         op_parms[op].seed = atoi(preset[op]);
2105                 }
2106                 printf("Loaded %d seeds from %s\n", options.numops, options.seeds_file);
2107         } else {
2108                 for (op=0; op<options.numops; op++) {
2109                         op_parms[op].seed = random();
2110                 }
2111         }
2112
2113         ret = run_test(lp_ctx);
2114
2115         if (ret != options.numops && options.analyze) {
2116                 options.numops = ret+1;
2117                 backtrack_analyze(lp_ctx);
2118         } else if (options.analyze_always) {
2119                 backtrack_analyze(lp_ctx);
2120         } else if (options.analyze_continuous) {
2121                 while (run_test(lp_ctx) == options.numops) ;
2122         }
2123
2124         return ret == options.numops;
2125 }
2126
2127
2128 static void usage(void)
2129 {
2130         printf(
2131 "Usage:\n\
2132   gentest2 //server1/share1 //server2/share2 [options..]\n\
2133   options:\n\
2134         -U user%%pass        (can be specified twice)\n\
2135         -s seed\n\
2136         -o numops\n\
2137         -a            (show all ops)\n\
2138         -A            backtrack to find minimal ops\n\
2139         -i FILE       add a list of wildcard exclusions\n\
2140         -O            enable oplocks\n\
2141         -S FILE       set preset seeds file\n\
2142         -L            use preset seeds\n\
2143         -F            fast reconnect (just close files)\n\
2144         -C            continuous analysis mode\n\
2145         -X            analyse even when test OK\n\
2146 ");
2147 }
2148
2149 /**
2150   split a UNC name into server and share names
2151 */
2152 static bool split_unc_name(const char *unc, char **server, char **share)
2153 {
2154         char *p = strdup(unc);
2155         if (!p) return false;
2156         all_string_sub(p, "\\", "/", 0);
2157         if (strncmp(p, "//", 2) != 0) return false;
2158
2159         (*server) = p+2;
2160         p = strchr(*server, '/');
2161         if (!p) return false;
2162
2163         *p = 0;
2164         (*share) = p+1;
2165
2166         return true;
2167 }
2168
2169
2170
2171 /****************************************************************************
2172   main program
2173 ****************************************************************************/
2174  int main(int argc, char *argv[])
2175 {
2176         int opt;
2177         int i, username_count=0;
2178         bool ret;
2179         struct loadparm_context *lp_ctx;
2180
2181         setlinebuf(stdout);
2182
2183         setup_logging("gentest", DEBUG_STDOUT);
2184
2185         if (argc < 3 || argv[1][0] == '-') {
2186                 usage();
2187                 exit(1);
2188         }
2189
2190         setup_logging(argv[0], DEBUG_STDOUT);
2191
2192         for (i=0;i<NSERVERS;i++) {
2193                 const char *share = argv[1+i];
2194                 servers[i].credentials = cli_credentials_init(NULL);
2195                 if (!split_unc_name(share, &servers[i].server_name, &servers[i].share_name)) {
2196                         printf("Invalid share name '%s'\n", share);
2197                         return -1;
2198                 }
2199         }
2200
2201         argc -= NSERVERS;
2202         argv += NSERVERS;
2203
2204         lp_ctx = loadparm_init(talloc_autofree_context());
2205         lp_load(lp_ctx, dyn_CONFIGFILE);
2206
2207         servers[0].credentials = cli_credentials_init(talloc_autofree_context());
2208         servers[1].credentials = cli_credentials_init(talloc_autofree_context());
2209         cli_credentials_guess(servers[0].credentials, lp_ctx);
2210         cli_credentials_guess(servers[1].credentials, lp_ctx);
2211
2212         options.seed = time(NULL);
2213         options.numops = 1000;
2214         options.max_open_handles = 20;
2215         options.seeds_file = "gentest_seeds.dat";
2216
2217         while ((opt = getopt(argc, argv, "U:s:o:ad:i:AOhS:LFXC")) != EOF) {
2218                 switch (opt) {
2219                 case 'U':
2220                         if (username_count == 2) {
2221                                 usage();
2222                                 exit(1);
2223                         }
2224                         cli_credentials_parse_string(servers[username_count].credentials,
2225                                                      optarg, CRED_SPECIFIED);
2226                         username_count++;
2227                         break;
2228                 case 'd':
2229                         DEBUGLEVEL = atoi(optarg);
2230                         setup_logging(NULL, DEBUG_STDOUT);
2231                         break;
2232                 case 's':
2233                         options.seed = atoi(optarg);
2234                         break;
2235                 case 'S':
2236                         options.seeds_file = optarg;
2237                         break;
2238                 case 'L':
2239                         options.use_preset_seeds = true;
2240                         break;
2241                 case 'F':
2242                         options.fast_reconnect = true;
2243                         break;
2244                 case 'o':
2245                         options.numops = atoi(optarg);
2246                         break;
2247                 case 'O':
2248                         options.use_oplocks = true;
2249                         break;
2250                 case 'a':
2251                         options.showall = true;
2252                         break;
2253                 case 'A':
2254                         options.analyze = true;
2255                         break;
2256                 case 'X':
2257                         options.analyze_always = true;
2258                         break;
2259                 case 'C':
2260                         options.analyze_continuous = true;
2261                         break;
2262                 case 'i':
2263                         options.ignore_patterns = file_lines_load(optarg, NULL, NULL);
2264                         break;
2265                 case 'h':
2266                         usage();
2267                         exit(1);
2268                 default:
2269                         printf("Unknown option %c (%d)\n", (char)opt, opt);
2270                         exit(1);
2271                 }
2272         }
2273
2274         gensec_init(lp_ctx);
2275
2276         if (username_count == 0) {
2277                 usage();
2278                 return -1;
2279         }
2280         if (username_count == 1) {
2281                 servers[1].credentials = servers[0].credentials;
2282         }
2283
2284         printf("seed=%u\n", options.seed);
2285
2286         ret = start_gentest(lp_ctx);
2287
2288         if (ret) {
2289                 printf("gentest completed - no errors\n");
2290         } else {
2291                 printf("gentest failed\n");
2292         }
2293
2294         return ret?0:-1;
2295 }