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                         struct smbcli_options smb_options;
 180                         NTSTATUS status;
 181                         printf("Connecting to \\\\%s\\%s as %s - instance %d\n",
 182                                servers[i].server_name, servers[i].share_name,
 183                                servers[i].credentials->username, j);
 184
 185                         cli_credentials_set_workstation(servers[i].credentials,
 186                                                         "gentest", CRED_SPECIFIED);
 187
 188                         lp_smbcli_options(lp_ctx, &smb_options);
 189                         status = smbcli_full_connection(NULL, &servers[i].cli[j],
 190                                                         servers[i].server_name,
 191                                                         lp_smb_ports(lp_ctx),
 192                                                         servers[i].share_name, NULL,
 193                                                         servers[i].credentials,
 194                                                         lp_resolve_context(lp_ctx),
 195                                                         NULL, &smb_options);
 196                         if (!NT_STATUS_IS_OK(status)) {
 197                                 printf("Failed to connect to \\\\%s\\%s - %s\n",
 198                                        servers[i].server_name, servers[i].share_name,
 199                                        nt_errstr(status));
 200                                 return false;
 201                         }
 202
 203                         smbcli_oplock_handler(servers[i].cli[j]->transport, oplock_handler, NULL);
 204                         smbcli_transport_idle_handler(servers[i].cli[j]->transport, idle_func, 50000, NULL);
 205                 }
 206         }
 207
 208         return true;
 209 }
 210
 211 /*
 212   work out the time skew between the servers - be conservative
 213 */
 214 static uint_t time_skew(void)
 215 {
 216         uint_t ret;
 217         ret = labs(servers[0].cli[0]->transport->negotiate.server_time -
 218                   servers[1].cli[0]->transport->negotiate.server_time);
 219         return ret + 300;
 220 }
 221
 222 /*
 223   turn an fnum for an instance into a handle
 224 */
 225 static uint_t fnum_to_handle(int server, int instance, uint16_t fnum)
 226 {
 227         uint_t i;
 228         for (i=0;i<options.max_open_handles;i++) {
 229                 if (!open_handles[i].active ||
 230                     instance != open_handles[i].instance) continue;
 231                 if (open_handles[i].server_fnum[server] == fnum) {
 232                         return i;
 233                 }
 234         }
 235         printf("Invalid fnum %d in fnum_to_handle on server %d instance %d\n",
 236                fnum, server, instance);
 237         return BAD_HANDLE;
 238 }
 239
 240 /*
 241   add some newly opened handles
 242 */
 243 static void gen_add_handle(int instance, const char *name, uint16_t fnums[NSERVERS])
 244 {
 245         int i, h;
 246         for (h=0;h<options.max_open_handles;h++) {
 247                 if (!open_handles[h].active) break;
 248         }
 249         if (h == options.max_open_handles) {
 250                 /* we have to force close a random handle */
 251                 h = random() % options.max_open_handles;
 252                 for (i=0;i<NSERVERS;i++) {
 253                         if (NT_STATUS_IS_ERR((smbcli_close(servers[i].cli[open_handles[h].instance]->tree,
 254                                        open_handles[h].server_fnum[i])))) {
 255                                 printf("INTERNAL ERROR: Close failed when recovering handle! - %s\n",
 256                                        smbcli_errstr(servers[i].cli[open_handles[h].instance]->tree));
 257                         }
 258                 }
 259                 printf("Recovered handle %d\n", h);
 260                 num_open_handles--;
 261         }
 262         for (i=0;i<NSERVERS;i++) {
 263                 open_handles[h].server_fnum[i] = fnums[i];
 264                 open_handles[h].instance = instance;
 265                 open_handles[h].active = true;
 266                 open_handles[h].name = name;
 267         }
 268         num_open_handles++;
 269
 270         printf("OPEN num_open_handles=%d h=%d s1=0x%x s2=0x%x (%s)\n",
 271                num_open_handles, h,
 272                open_handles[h].server_fnum[0], open_handles[h].server_fnum[1],
 273                name);
 274 }
 275
 276 /*
 277   remove a closed handle
 278 */
 279 static void gen_remove_handle(int instance, uint16_t fnums[NSERVERS])
 280 {
 281         int h;
 282         for (h=0;h<options.max_open_handles;h++) {
 283                 if (instance == open_handles[h].instance &&
 284                     open_handles[h].server_fnum[0] == fnums[0]) {
 285                         open_handles[h].active = false;
 286                         num_open_handles--;
 287                         printf("CLOSE num_open_handles=%d h=%d s1=0x%x s2=0x%x (%s)\n",
 288                                num_open_handles, h,
 289                                open_handles[h].server_fnum[0], open_handles[h].server_fnum[1],
 290                                open_handles[h].name);
 291                         return;
 292                 }
 293         }
 294         printf("Removing invalid handle!?\n");
 295         exit(1);
 296 }
 297
 298 /*
 299   return true with 'chance' probability as a percentage
 300 */
 301 static bool gen_chance(uint_t chance)
 302 {
 303         return ((random() % 100) <= chance);
 304 }
 305
 306 /*
 307   map an internal handle number to a server fnum
 308 */
 309 static uint16_t gen_lookup_fnum(int server, uint16_t handle)
 310 {
 311         if (handle == BAD_HANDLE) return handle;
 312         return open_handles[handle].server_fnum[server];
 313 }
 314
 315 /*
 316   return a file handle
 317 */
 318 static uint16_t gen_fnum(int instance)
 319 {
 320         uint16_t h;
 321         int count = 0;
 322
 323         if (gen_chance(20)) return BAD_HANDLE;
 324
 325         while (num_open_handles > 0 && count++ < 10*options.max_open_handles) {
 326                 h = random() % options.max_open_handles;
 327                 if (open_handles[h].active &&
 328                     open_handles[h].instance == instance) {
 329                         return h;
 330                 }
 331         }
 332         return BAD_HANDLE;
 333 }
 334
 335 /*
 336   return a file handle, but skewed so we don't close the last
 337   couple of handles too readily
 338 */
 339 static uint16_t gen_fnum_close(int instance)
 340 {
 341         if (num_open_handles < 3) {
 342                 if (gen_chance(80)) return BAD_HANDLE;
 343         }
 344
 345         return gen_fnum(instance);
 346 }
 347
 348 /*
 349   generate an integer in a specified range
 350 */
 351 static int gen_int_range(uint_t min, uint_t max)
 352 {
 353         uint_t r = random();
 354         return min + (r % (1+max-min));
 355 }
 356
 357 /*
 358   return a fnum for use as a root fid
 359   be careful to call GEN_SET_FNUM() when you use this!
 360 */
 361 static uint16_t gen_root_fid(int instance)
 362 {
 363         if (gen_chance(5)) return gen_fnum(instance);
 364         return 0;
 365 }
 366
 367 /*
 368   generate a file offset
 369 */
 370 static int gen_offset(void)
 371 {
 372         if (gen_chance(20)) return 0;
 373         return gen_int_range(0, 1024*1024);
 374 }
 375
 376 /*
 377   generate a io count
 378 */
 379 static int gen_io_count(void)
 380 {
 381         if (gen_chance(20)) return 0;
 382         return gen_int_range(0, 4096);
 383 }
 384
 385 /*
 386   generate a filename
 387 */
 388 static const char *gen_fname(void)
 389 {
 390         const char *names[] = {"\\gentest\\gentest.dat",
 391                                "\\gentest\\foo",
 392                                "\\gentest\\foo2.sym",
 393                                "\\gentest\\foo3.dll",
 394                                "\\gentest\\foo4",
 395                                "\\gentest\\foo4:teststream1",
 396                                "\\gentest\\foo4:teststream2",
 397                                "\\gentest\\foo5.exe",
 398                                "\\gentest\\foo5.exe:teststream3",
 399                                "\\gentest\\foo5.exe:teststream4",
 400                                "\\gentest\\foo6.com",
 401                                "\\gentest\\blah",
 402                                "\\gentest\\blah\\blergh.txt",
 403                                "\\gentest\\blah\\blergh2",
 404                                "\\gentest\\blah\\blergh3.txt",
 405                                "\\gentest\\blah\\blergh4",
 406                                "\\gentest\\blah\\blergh5.txt",
 407                                "\\gentest\\blah\\blergh5",
 408                                "\\gentest\\blah\\.",
 409 #if 0
 410                                /* this causes problem with w2k3 */
 411                                "\\gentest\\blah\\..",
 412 #endif
 413                                "\\gentest\\a_very_long_name.bin",
 414                                "\\gentest\\x.y",
 415                                "\\gentest\\blah"};
 416         int i;
 417
 418         do {
 419                 i = gen_int_range(0, ARRAY_SIZE(names)-1);
 420         } while (ignore_pattern(names[i]));
 421
 422         return names[i];
 423 }
 424
 425 /*
 426   generate a filename with a higher chance of choosing an already
 427   open file
 428 */
 429 static const char *gen_fname_open(int instance)
 430 {
 431         uint16_t h;
 432         h = gen_fnum(instance);
 433         if (h == BAD_HANDLE) {
 434                 return gen_fname();
 435         }
 436         return open_handles[h].name;
 437 }
 438
 439 /*
 440   generate a wildcard pattern
 441 */
 442 static const char *gen_pattern(void)
 443 {
 444         int i;
 445         const char *names[] = {"\\gentest\\*.dat",
 446                                "\\gentest\\*",
 447                                "\\gentest\\*.*",
 448                                "\\gentest\\blah\\*.*",
 449                                "\\gentest\\blah\\*",
 450                                "\\gentest\\?"};
 451
 452         if (gen_chance(50)) return gen_fname();
 453
 454         do {
 455                 i = gen_int_range(0, ARRAY_SIZE(names)-1);
 456         } while (ignore_pattern(names[i]));
 457
 458         return names[i];
 459 }
 460
 461 /*
 462   generate a bitmask
 463 */
 464 static uint32_t gen_bits_mask(uint_t mask)
 465 {
 466         uint_t ret = random();
 467         return ret & mask;
 468 }
 469
 470 /*
 471   generate a bitmask with high probability of the first mask
 472   and low of the second
 473 */
 474 static uint32_t gen_bits_mask2(uint32_t mask1, uint32_t mask2)
 475 {
 476         if (gen_chance(10)) return gen_bits_mask(mask2);
 477         return gen_bits_mask(mask1);
 478 }
 479
 480 /*
 481   generate a boolean
 482 */
 483 static bool gen_bool(void)
 484 {
 485         return gen_bits_mask2(0x1, 0xFF);
 486 }
 487
 488 /*
 489   generate ntrename flags
 490 */
 491 static uint16_t gen_rename_flags(void)
 492 {
 493         if (gen_chance(30)) return RENAME_FLAG_RENAME;
 494         if (gen_chance(30)) return RENAME_FLAG_HARD_LINK;
 495         if (gen_chance(30)) return RENAME_FLAG_COPY;
 496         return gen_bits_mask(0xFFFF);
 497 }
 498
 499
 500 /*
 501   return a lockingx lock mode
 502 */
 503 static uint16_t gen_lock_mode(void)
 504 {
 505         if (gen_chance(5))  return gen_bits_mask(0xFFFF);
 506         if (gen_chance(20)) return gen_bits_mask(0x1F);
 507         return gen_bits_mask(LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES);
 508 }
 509
 510 /*
 511   generate a pid
 512 */
 513 static uint16_t gen_pid(void)
 514 {
 515         if (gen_chance(10)) return gen_bits_mask(0xFFFF);
 516         return getpid();
 517 }
 518
 519 /*
 520   generate a lock count
 521 */
 522 static off_t gen_lock_count(void)
 523 {
 524         return gen_int_range(0, 3);
 525 }
 526
 527 /*
 528   generate a ntcreatex flags field
 529 */
 530 static uint32_t gen_ntcreatex_flags(void)
 531 {
 532         if (gen_chance(70)) return NTCREATEX_FLAGS_EXTENDED;
 533         return gen_bits_mask2(0x1F, 0xFFFFFFFF);
 534 }
 535
 536 /*
 537   generate a NT access mask
 538 */
 539 static uint32_t gen_access_mask(void)
 540 {
 541         if (gen_chance(50)) return SEC_FLAG_MAXIMUM_ALLOWED;
 542         if (gen_chance(20)) return SEC_FILE_ALL;
 543         return gen_bits_mask(0xFFFFFFFF);
 544 }
 545
 546 /*
 547   generate a ntcreatex create options bitfield
 548 */
 549 static uint32_t gen_create_options(void)
 550 {
 551         if (gen_chance(20)) return gen_bits_mask(0xFFFFFFFF);
 552         if (gen_chance(50)) return 0;
 553         return gen_bits_mask(NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_DIRECTORY);
 554 }
 555
 556 /*
 557   generate a ntcreatex open disposition
 558 */
 559 static uint32_t gen_open_disp(void)
 560 {
 561         if (gen_chance(10)) return gen_bits_mask(0xFFFFFFFF);
 562         return gen_int_range(0, 5);
 563 }
 564
 565 /*
 566   generate an openx open mode
 567 */
 568 static uint16_t gen_openx_mode(void)
 569 {
 570         if (gen_chance(20)) return gen_bits_mask(0xFFFF);
 571         if (gen_chance(20)) return gen_bits_mask(0xFF);
 572         return OPENX_MODE_DENY_NONE | gen_bits_mask(0x3);
 573 }
 574
 575 /*
 576   generate an openx flags field
 577 */
 578 static uint16_t gen_openx_flags(void)
 579 {
 580         if (gen_chance(20)) return gen_bits_mask(0xFFFF);
 581         return gen_bits_mask(0x7);
 582 }
 583
 584 /*
 585   generate an openx open function
 586 */
 587 static uint16_t gen_openx_func(void)
 588 {
 589         if (gen_chance(20)) return gen_bits_mask(0xFFFF);
 590         return gen_bits_mask(0x13);
 591 }
 592
 593 /*
 594   generate a file attrib combination
 595 */
 596 static uint32_t gen_attrib(void)
 597 {
 598         if (gen_chance(20)) return gen_bits_mask(0xFFFFFFFF);
 599         return gen_bits_mask(FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY);
 600 }
 601
 602 /*
 603   generate a unix timestamp
 604 */
 605 static time_t gen_timet(void)
 606 {
 607         if (gen_chance(30)) return 0;
 608         return (time_t)random();
 609 }
 610
 611 /*
 612   generate a unix timestamp
 613 */
 614 static NTTIME gen_nttime(void)
 615 {
 616         NTTIME ret;
 617         unix_to_nt_time(&ret, gen_timet());
 618         return ret;
 619 }
 620
 621 /*
 622   generate a milliseconds protocol timeout
 623 */
 624 static uint32_t gen_timeout(void)
 625 {
 626         if (gen_chance(98)) return 0;
 627         return random() % 50;
 628 }
 629
 630 /*
 631   generate a file allocation size
 632 */
 633 static uint_t gen_alloc_size(void)
 634 {
 635         uint_t ret;
 636
 637         if (gen_chance(30)) return 0;
 638
 639         ret = random() % 4*1024*1024;
 640         /* give a high chance of a round number */
 641         if (gen_chance(60)) {
 642                 ret &= ~(1024*1024 - 1);
 643         }
 644         return ret;
 645 }
 646
 647 /*
 648   generate an ea_struct
 649 */
 650 static struct ea_struct gen_ea_struct(void)
 651 {
 652         struct ea_struct ea;
 653         const char *names[] = {"EAONE",
 654                                "",
 655                                "FOO!",
 656                                " WITH SPACES ",
 657                                ".",
 658                                "AVERYLONGATTRIBUTENAME"};
 659         const char *values[] = {"VALUE1",
 660                                "",
 661                                "NOT MUCH FOO",
 662                                " LEADING SPACES ",
 663                                ":",
 664                                "ASOMEWHATLONGERATTRIBUTEVALUE"};
 665         int i;
 666
 667         ZERO_STRUCT(ea);
 668
 669         do {
 670                 i = gen_int_range(0, ARRAY_SIZE(names)-1);
 671         } while (ignore_pattern(names[i]));
 672
 673         ea.name.s = names[i];
 674
 675         do {
 676                 i = gen_int_range(0, ARRAY_SIZE(values)-1);
 677         } while (ignore_pattern(values[i]));
 678
 679         ea.value = data_blob(values[i], strlen(values[i]));
 680
 681         if (gen_chance(10)) ea.flags = gen_bits_mask(0xFF);
 682         ea.flags = 0;
 683
 684         return ea;
 685 }
 686
 687
 688 /*
 689   this is called when a change notify reply comes in
 690 */
 691 static void async_notify(struct smbcli_request *req)
 692 {
 693         union smb_notify notify;
 694         NTSTATUS status;
 695         int i, j;
 696         uint16_t tid;
 697         struct smbcli_transport *transport = req->transport;
 698
 699         tid = SVAL(req->in.hdr, HDR_TID);
 700
 701         notify.nttrans.level = RAW_NOTIFY_NTTRANS;
 702         status = smb_raw_changenotify_recv(req, current_op.mem_ctx, &notify);
 703         if (NT_STATUS_IS_OK(status)) {
 704                 printf("notify tid=%d num_changes=%d action=%d name=%s\n",
 705                        tid,
 706                        notify.nttrans.out.num_changes,
 707                        notify.nttrans.out.changes[0].action,
 708                        notify.nttrans.out.changes[0].name.s);
 709         }
 710
 711         for (i=0;i<NSERVERS;i++) {
 712                 for (j=0;j<NINSTANCES;j++) {
 713                         if (transport == servers[i].cli[j]->transport &&
 714                             tid == servers[i].cli[j]->tree->tid) {
 715                                 notifies[i][j].notify_count++;
 716                                 notifies[i][j].status = status;
 717                                 notifies[i][j].notify = notify;
 718                         }
 719                 }
 720         }
 721 }
 722
 723 static void oplock_handler_close_recv(struct smbcli_request *req)
 724 {
 725         NTSTATUS status;
 726         status = smbcli_request_simple_recv(req);
 727         if (!NT_STATUS_IS_OK(status)) {
 728                 printf("close failed in oplock_handler\n");
 729                 smb_panic("close failed in oplock_handler");
 730         }
 731 }
 732
 733 /*
 734   the oplock handler will either ack the break or close the file
 735 */
 736 static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private)
 737 {
 738         union smb_close io;
 739         int i, j;
 740         bool do_close;
 741         struct smbcli_tree *tree = NULL;
 742         struct smbcli_request *req;
 743
 744         srandom(current_op.seed);
 745         do_close = gen_chance(50);
 746
 747         for (i=0;i<NSERVERS;i++) {
 748                 for (j=0;j<NINSTANCES;j++) {
 749                         if (transport == servers[i].cli[j]->transport &&
 750                             tid == servers[i].cli[j]->tree->tid) {
 751                                 oplocks[i][j].got_break = true;
 752                                 oplocks[i][j].fnum = fnum;
 753                                 oplocks[i][j].handle = fnum_to_handle(i, j, fnum);
 754                                 oplocks[i][j].level = level;
 755                                 oplocks[i][j].do_close = do_close;
 756                                 tree = servers[i].cli[j]->tree;
 757                         }
 758                 }
 759         }
 760
 761         if (!tree) {
 762                 printf("Oplock break not for one of our trees!?\n");
 763                 return false;
 764         }
 765
 766         if (!do_close) {
 767                 printf("oplock ack fnum=%d\n", fnum);
 768                 return smbcli_oplock_ack(tree, fnum, level);
 769         }
 770
 771         printf("oplock close fnum=%d\n", fnum);
 772
 773         io.close.level = RAW_CLOSE_CLOSE;
 774         io.close.in.file.fnum = fnum;
 775         io.close.in.write_time = 0;
 776         req = smb_raw_close_send(tree, &io);
 777
 778         if (req == NULL) {
 779                 printf("WARNING: close failed in oplock_handler_close\n");
 780                 return false;
 781         }
 782
 783         req->async.fn = oplock_handler_close_recv;
 784         req->async.private = NULL;
 785
 786         return true;
 787 }
 788
 789
 790 /*
 791   the idle function tries to cope with getting an oplock break on a connection, and
 792   an operation on another connection blocking until that break is acked
 793   we check for operations on all transports in the idle function
 794 */
 795 static void idle_func(struct smbcli_transport *transport, void *private)
 796 {
 797         int i, j;
 798         for (i=0;i<NSERVERS;i++) {
 799                 for (j=0;j<NINSTANCES;j++) {
 800                         if (servers[i].cli[j] &&
 801                             transport != servers[i].cli[j]->transport) {
 802                                 smbcli_transport_process(servers[i].cli[j]->transport);
 803                         }
 804                 }
 805         }
 806
 807 }
 808
 809
 810 /*
 811   compare NTSTATUS, using checking ignored patterns
 812 */
 813 static bool compare_status(NTSTATUS status1, NTSTATUS status2)
 814 {
 815         if (NT_STATUS_EQUAL(status1, status2)) return true;
 816
 817         /* one code being an error and the other OK is always an error */
 818         if (NT_STATUS_IS_OK(status1) || NT_STATUS_IS_OK(status2)) return false;
 819
 820         /* if we are ignoring one of the status codes then consider this a match */
 821         if (ignore_pattern(nt_errstr(status1)) ||
 822             ignore_pattern(nt_errstr(status2))) {
 823                 return true;
 824         }
 825         return false;
 826 }
 827
 828
 829 /*
 830   check for pending packets on all connections
 831 */
 832 static void check_pending(void)
 833 {
 834         int i, j;
 835
 836         msleep(20);
 837
 838         for (j=0;j<NINSTANCES;j++) {
 839                 for (i=0;i<NSERVERS;i++) {
 840                         smbcli_transport_process(servers[i].cli[j]->transport);
 841                 }
 842         }
 843 }
 844
 845 /*
 846   check that the same oplock breaks have been received by all instances
 847 */
 848 static bool check_oplocks(const char *call)
 849 {
 850         int i, j;
 851         int tries = 0;
 852
 853 again:
 854         check_pending();
 855
 856         for (j=0;j<NINSTANCES;j++) {
 857                 for (i=1;i<NSERVERS;i++) {
 858                         if (oplocks[0][j].got_break != oplocks[i][j].got_break ||
 859                             oplocks[0][j].handle != oplocks[i][j].handle ||
 860                             oplocks[0][j].level != oplocks[i][j].level) {
 861                                 if (tries++ < 10) goto again;
 862                                 printf("oplock break inconsistent - %d/%d/%d vs %d/%d/%d\n",
 863                                        oplocks[0][j].got_break,
 864                                        oplocks[0][j].handle,
 865                                        oplocks[0][j].level,
 866                                        oplocks[i][j].got_break,
 867                                        oplocks[i][j].handle,
 868                                        oplocks[i][j].level);
 869                                 return false;
 870                         }
 871                 }
 872         }
 873
 874         /* if we got a break and closed then remove the handle */
 875         for (j=0;j<NINSTANCES;j++) {
 876                 if (oplocks[0][j].got_break &&
 877                     oplocks[0][j].do_close) {
 878                         uint16_t fnums[NSERVERS];
 879                         for (i=0;i<NSERVERS;i++) {
 880                                 fnums[i] = oplocks[i][j].fnum;
 881                         }
 882                         gen_remove_handle(j, fnums);
 883                         break;
 884                 }
 885         }
 886         return true;
 887 }
 888
 889
 890 /*
 891   check that the same change notify info has been received by all instances
 892 */
 893 static bool check_notifies(const char *call)
 894 {
 895         int i, j;
 896         int tries = 0;
 897
 898 again:
 899         check_pending();
 900
 901         for (j=0;j<NINSTANCES;j++) {
 902                 for (i=1;i<NSERVERS;i++) {
 903                         int n;
 904                         union smb_notify not1, not2;
 905
 906                         if (notifies[0][j].notify_count != notifies[i][j].notify_count) {
 907                                 if (tries++ < 10) goto again;
 908                                 printf("Notify count inconsistent %d %d\n",
 909                                        notifies[0][j].notify_count,
 910                                        notifies[i][j].notify_count);
 911                                 return false;
 912                         }
 913
 914                         if (notifies[0][j].notify_count == 0) continue;
 915
 916                         if (!NT_STATUS_EQUAL(notifies[0][j].status,
 917                                              notifies[i][j].status)) {
 918                                 printf("Notify status mismatch - %s - %s\n",
 919                                        nt_errstr(notifies[0][j].status),
 920                                        nt_errstr(notifies[i][j].status));
 921                                 return false;
 922                         }
 923
 924                         if (!NT_STATUS_IS_OK(notifies[0][j].status)) {
 925                                 continue;
 926                         }
 927
 928                         not1 = notifies[0][j].notify;
 929                         not2 = notifies[i][j].notify;
 930
 931                         for (n=0;n<not1.nttrans.out.num_changes;n++) {
 932                                 if (not1.nttrans.out.changes[n].action !=
 933                                     not2.nttrans.out.changes[n].action) {
 934                                         printf("Notify action %d inconsistent %d %d\n", n,
 935                                                not1.nttrans.out.changes[n].action,
 936                                                not2.nttrans.out.changes[n].action);
 937                                         return false;
 938                                 }
 939                                 if (strcmp(not1.nttrans.out.changes[n].name.s,
 940                                            not2.nttrans.out.changes[n].name.s)) {
 941                                         printf("Notify name %d inconsistent %s %s\n", n,
 942                                                not1.nttrans.out.changes[n].name.s,
 943                                                not2.nttrans.out.changes[n].name.s);
 944                                         return false;
 945                                 }
 946                                 if (not1.nttrans.out.changes[n].name.private_length !=
 947                                     not2.nttrans.out.changes[n].name.private_length) {
 948                                         printf("Notify name length %d inconsistent %d %d\n", n,
 949                                                not1.nttrans.out.changes[n].name.private_length,
 950                                                not2.nttrans.out.changes[n].name.private_length);
 951                                         return false;
 952                                 }
 953                         }
 954                 }
 955         }
 956
 957         ZERO_STRUCT(notifies);
 958
 959         return true;
 960 }
 961
 962
 963 #define GEN_COPY_PARM do { \
 964         int i; \
 965         for (i=1;i<NSERVERS;i++) { \
 966                 parm[i] = parm[0]; \
 967         } \
 968 } while (0)
 969
 970 #define GEN_CALL(call) do { \
 971         int i; \
 972         ZERO_STRUCT(oplocks); \
 973         ZERO_STRUCT(notifies); \
 974         for (i=0;i<NSERVERS;i++) { \
 975                 struct smbcli_tree *tree = servers[i].cli[instance]->tree; \
 976                 status[i] = call; \
 977         } \
 978         current_op.status = status[0]; \
 979         for (i=1;i<NSERVERS;i++) { \
 980                 if (!compare_status(status[i], status[0])) { \
 981                         printf("status different in %s - %s %s\n", #call, \
 982                                nt_errstr(status[0]), nt_errstr(status[i])); \
 983                         return false; \
 984                 } \
 985         } \
 986         if (!check_oplocks(#call)) return false; \
 987         if (!check_notifies(#call)) return false; \
 988         if (!NT_STATUS_IS_OK(status[0])) { \
 989                 return true; \
 990         } \
 991 } while(0)
 992
 993 #define ADD_HANDLE(name, field) do { \
 994         uint16_t fnums[NSERVERS]; \
 995         int i; \
 996         for (i=0;i<NSERVERS;i++) { \
 997                 fnums[i] = parm[i].field; \
 998         } \
 999         gen_add_handle(instance, name, fnums); \
1000 } while(0)
1001
1002 #define REMOVE_HANDLE(field) do { \
1003         uint16_t fnums[NSERVERS]; \
1004         int i; \
1005         for (i=0;i<NSERVERS;i++) { \
1006                 fnums[i] = parm[i].field; \
1007         } \
1008         gen_remove_handle(instance, fnums); \
1009 } while(0)
1010
1011 #define GEN_SET_FNUM(field) do { \
1012         int i; \
1013         for (i=0;i<NSERVERS;i++) { \
1014                 parm[i].field = gen_lookup_fnum(i, parm[i].field); \
1015         } \
1016 } while(0)
1017
1018 #define CHECK_EQUAL(field) do { \
1019         if (parm[0].field != parm[1].field && !ignore_pattern(#field)) { \
1020                 printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
1021                        (int)parm[0].field, (int)parm[1].field); \
1022                 return false; \
1023         } \
1024 } while(0)
1025
1026 #define CHECK_WSTR_EQUAL(field) do { \
1027         if ((!parm[0].field.s && parm[1].field.s) || (parm[0].field.s && !parm[1].field.s)) { \
1028                 printf("%s is NULL!\n", #field); \
1029                 return false; \
1030         } \
1031         if (parm[0].field.s && strcmp(parm[0].field.s, parm[1].field.s) != 0 && !ignore_pattern(#field)) { \
1032                 printf("Mismatch in %s - %s %s\n", #field, \
1033                        parm[0].field.s, parm[1].field.s); \
1034                 return false; \
1035         } \
1036         CHECK_EQUAL(field.private_length); \
1037 } while(0)
1038
1039 #define CHECK_BLOB_EQUAL(field) do { \
1040         if (memcmp(parm[0].field.data, parm[1].field.data, parm[0].field.length) != 0 && !ignore_pattern(#field)) { \
1041                 printf("Mismatch in %s\n", #field); \
1042                 return false; \
1043         } \
1044         CHECK_EQUAL(field.length); \
1045 } while(0)
1046
1047 #define CHECK_TIMES_EQUAL(field) do { \
1048         if (labs(parm[0].field - parm[1].field) > time_skew() && \
1049             !ignore_pattern(#field)) { \
1050                 printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
1051                        (int)parm[0].field, (int)parm[1].field); \
1052                 return false; \
1053         } \
1054 } while(0)
1055
1056 #define CHECK_NTTIMES_EQUAL(field) do { \
1057         if (labs(nt_time_to_unix(parm[0].field) - \
1058                 nt_time_to_unix(parm[1].field)) > time_skew() && \
1059             !ignore_pattern(#field)) { \
1060                 printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
1061                        (int)nt_time_to_unix(parm[0].field), \
1062                        (int)nt_time_to_unix(parm[1].field)); \
1063                 return false; \
1064         } \
1065 } while(0)
1066
1067 /*
1068   generate openx operations
1069 */
1070 static bool handler_openx(int instance)
1071 {
1072         union smb_open parm[NSERVERS];
1073         NTSTATUS status[NSERVERS];
1074
1075         parm[0].openx.level = RAW_OPEN_OPENX;
1076         parm[0].openx.in.flags = gen_openx_flags();
1077         parm[0].openx.in.open_mode = gen_openx_mode();
1078         parm[0].openx.in.search_attrs = gen_attrib();
1079         parm[0].openx.in.file_attrs = gen_attrib();
1080         parm[0].openx.in.write_time = gen_timet();
1081         parm[0].openx.in.open_func = gen_openx_func();
1082         parm[0].openx.in.size = gen_io_count();
1083         parm[0].openx.in.timeout = gen_timeout();
1084         parm[0].openx.in.fname = gen_fname_open(instance);
1085
1086         if (!options.use_oplocks) {
1087                 /* mask out oplocks */
1088                 parm[0].openx.in.flags &= ~(OPENX_FLAGS_REQUEST_OPLOCK|
1089                                             OPENX_FLAGS_REQUEST_BATCH_OPLOCK);
1090         }
1091
1092         GEN_COPY_PARM;
1093         GEN_CALL(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));
1094
1095         CHECK_EQUAL(openx.out.attrib);
1096         CHECK_EQUAL(openx.out.size);
1097         CHECK_EQUAL(openx.out.access);
1098         CHECK_EQUAL(openx.out.ftype);
1099         CHECK_EQUAL(openx.out.devstate);
1100         CHECK_EQUAL(openx.out.action);
1101         CHECK_EQUAL(openx.out.access_mask);
1102         CHECK_EQUAL(openx.out.unknown);
1103         CHECK_TIMES_EQUAL(openx.out.write_time);
1104
1105         /* open creates a new file handle */
1106         ADD_HANDLE(parm[0].openx.in.fname, openx.out.file.fnum);
1107
1108         return true;
1109 }
1110
1111
1112 /*
1113   generate open operations
1114 */
1115 static bool handler_open(int instance)
1116 {
1117         union smb_open parm[NSERVERS];
1118         NTSTATUS status[NSERVERS];
1119
1120         parm[0].openold.level = RAW_OPEN_OPEN;
1121         parm[0].openold.in.open_mode = gen_bits_mask2(0xF, 0xFFFF);
1122         parm[0].openold.in.search_attrs = gen_attrib();
1123         parm[0].openold.in.fname = gen_fname_open(instance);
1124
1125         if (!options.use_oplocks) {
1126                 /* mask out oplocks */
1127                 parm[0].openold.in.open_mode &= ~(OPENX_FLAGS_REQUEST_OPLOCK|
1128                                                   OPENX_FLAGS_REQUEST_BATCH_OPLOCK);
1129         }
1130
1131         GEN_COPY_PARM;
1132         GEN_CALL(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));
1133
1134         CHECK_EQUAL(openold.out.attrib);
1135         CHECK_TIMES_EQUAL(openold.out.write_time);
1136         CHECK_EQUAL(openold.out.size);
1137         CHECK_EQUAL(openold.out.rmode);
1138
1139         /* open creates a new file handle */
1140         ADD_HANDLE(parm[0].openold.in.fname, openold.out.file.fnum);
1141
1142         return true;
1143 }
1144
1145
1146 /*
1147   generate ntcreatex operations
1148 */
1149 static bool handler_ntcreatex(int instance)
1150 {
1151         union smb_open parm[NSERVERS];
1152         NTSTATUS status[NSERVERS];
1153
1154         parm[0].ntcreatex.level = RAW_OPEN_NTCREATEX;
1155         parm[0].ntcreatex.in.flags = gen_ntcreatex_flags();
1156         parm[0].ntcreatex.in.root_fid = gen_root_fid(instance);
1157         parm[0].ntcreatex.in.access_mask = gen_access_mask();
1158         parm[0].ntcreatex.in.alloc_size = gen_alloc_size();
1159         parm[0].ntcreatex.in.file_attr = gen_attrib();
1160         parm[0].ntcreatex.in.share_access = gen_bits_mask2(0x7, 0xFFFFFFFF);
1161         parm[0].ntcreatex.in.open_disposition = gen_open_disp();
1162         parm[0].ntcreatex.in.create_options = gen_create_options();
1163         parm[0].ntcreatex.in.impersonation = gen_bits_mask2(0, 0xFFFFFFFF);
1164         parm[0].ntcreatex.in.security_flags = gen_bits_mask2(0, 0xFF);
1165         parm[0].ntcreatex.in.fname = gen_fname_open(instance);
1166
1167         if (!options.use_oplocks) {
1168                 /* mask out oplocks */
1169                 parm[0].ntcreatex.in.flags &= ~(NTCREATEX_FLAGS_REQUEST_OPLOCK|
1170                                                 NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK);
1171         }
1172
1173         GEN_COPY_PARM;
1174         if (parm[0].ntcreatex.in.root_fid != 0) {
1175                 GEN_SET_FNUM(ntcreatex.in.root_fid);
1176         }
1177         GEN_CALL(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));
1178
1179         CHECK_EQUAL(ntcreatex.out.oplock_level);
1180         CHECK_EQUAL(ntcreatex.out.create_action);
1181         CHECK_NTTIMES_EQUAL(ntcreatex.out.create_time);
1182         CHECK_NTTIMES_EQUAL(ntcreatex.out.access_time);
1183         CHECK_NTTIMES_EQUAL(ntcreatex.out.write_time);
1184         CHECK_NTTIMES_EQUAL(ntcreatex.out.change_time);
1185         CHECK_EQUAL(ntcreatex.out.attrib);
1186         CHECK_EQUAL(ntcreatex.out.alloc_size);
1187         CHECK_EQUAL(ntcreatex.out.size);
1188         CHECK_EQUAL(ntcreatex.out.file_type);
1189         CHECK_EQUAL(ntcreatex.out.ipc_state);
1190         CHECK_EQUAL(ntcreatex.out.is_directory);
1191
1192         /* ntcreatex creates a new file handle */
1193         ADD_HANDLE(parm[0].ntcreatex.in.fname, ntcreatex.out.file.fnum);
1194
1195         return true;
1196 }
1197
1198 /*
1199   generate close operations
1200 */
1201 static bool handler_close(int instance)
1202 {
1203         union smb_close parm[NSERVERS];
1204         NTSTATUS status[NSERVERS];
1205
1206         parm[0].close.level = RAW_CLOSE_CLOSE;
1207         parm[0].close.in.file.fnum = gen_fnum_close(instance);
1208         parm[0].close.in.write_time = gen_timet();
1209
1210         GEN_COPY_PARM;
1211         GEN_SET_FNUM(close.in.file.fnum);
1212         GEN_CALL(smb_raw_close(tree, &parm[i]));
1213
1214         REMOVE_HANDLE(close.in.file.fnum);
1215
1216         return true;
1217 }
1218
1219 /*
1220   generate unlink operations
1221 */
1222 static bool handler_unlink(int instance)
1223 {
1224         union smb_unlink parm[NSERVERS];
1225         NTSTATUS status[NSERVERS];
1226
1227         parm[0].unlink.in.pattern = gen_pattern();
1228         parm[0].unlink.in.attrib = gen_attrib();
1229
1230         GEN_COPY_PARM;
1231         GEN_CALL(smb_raw_unlink(tree, &parm[i]));
1232
1233         return true;
1234 }
1235
1236 /*
1237   generate chkpath operations
1238 */
1239 static bool handler_chkpath(int instance)
1240 {
1241         union smb_chkpath parm[NSERVERS];
1242         NTSTATUS status[NSERVERS];
1243
1244         parm[0].chkpath.in.path = gen_fname_open(instance);
1245
1246         GEN_COPY_PARM;
1247         GEN_CALL(smb_raw_chkpath(tree, &parm[i]));
1248
1249         return true;
1250 }
1251
1252 /*
1253   generate mkdir operations
1254 */
1255 static bool handler_mkdir(int instance)
1256 {
1257         union smb_mkdir parm[NSERVERS];
1258         NTSTATUS status[NSERVERS];
1259
1260         parm[0].mkdir.level = RAW_MKDIR_MKDIR;
1261         parm[0].mkdir.in.path = gen_fname_open(instance);
1262
1263         GEN_COPY_PARM;
1264         GEN_CALL(smb_raw_mkdir(tree, &parm[i]));
1265
1266         return true;
1267 }
1268
1269 /*
1270   generate rmdir operations
1271 */
1272 static bool handler_rmdir(int instance)
1273 {
1274         struct smb_rmdir parm[NSERVERS];
1275         NTSTATUS status[NSERVERS];
1276
1277         parm[0].in.path = gen_fname_open(instance);
1278
1279         GEN_COPY_PARM;
1280         GEN_CALL(smb_raw_rmdir(tree, &parm[i]));
1281
1282         return true;
1283 }
1284
1285 /*
1286   generate rename operations
1287 */
1288 static bool handler_rename(int instance)
1289 {
1290         union smb_rename parm[NSERVERS];
1291         NTSTATUS status[NSERVERS];
1292
1293         parm[0].generic.level = RAW_RENAME_RENAME;
1294         parm[0].rename.in.pattern1 = gen_pattern();
1295         parm[0].rename.in.pattern2 = gen_pattern();
1296         parm[0].rename.in.attrib = gen_attrib();
1297
1298         GEN_COPY_PARM;
1299         GEN_CALL(smb_raw_rename(tree, &parm[i]));
1300
1301         return true;
1302 }
1303
1304 /*
1305   generate ntrename operations
1306 */
1307 static bool handler_ntrename(int instance)
1308 {
1309         union smb_rename parm[NSERVERS];
1310         NTSTATUS status[NSERVERS];
1311
1312         parm[0].generic.level = RAW_RENAME_NTRENAME;
1313         parm[0].ntrename.in.old_name = gen_fname();
1314         parm[0].ntrename.in.new_name = gen_fname();
1315         parm[0].ntrename.in.attrib = gen_attrib();
1316         parm[0].ntrename.in.cluster_size = gen_bits_mask2(0, 0xFFFFFFF);
1317         parm[0].ntrename.in.flags = gen_rename_flags();
1318
1319         GEN_COPY_PARM;
1320         GEN_CALL(smb_raw_rename(tree, &parm[i]));
1321
1322         return true;
1323 }
1324
1325
1326 /*
1327   generate seek operations
1328 */
1329 static bool handler_seek(int instance)
1330 {
1331         union smb_seek parm[NSERVERS];
1332         NTSTATUS status[NSERVERS];
1333
1334         parm[0].lseek.in.file.fnum = gen_fnum(instance);
1335         parm[0].lseek.in.mode = gen_bits_mask2(0x3, 0xFFFF);
1336         parm[0].lseek.in.offset = gen_offset();
1337
1338         GEN_COPY_PARM;
1339         GEN_SET_FNUM(lseek.in.file.fnum);
1340         GEN_CALL(smb_raw_seek(tree, &parm[i]));
1341
1342         CHECK_EQUAL(lseek.out.offset);
1343
1344         return true;
1345 }
1346
1347
1348 /*
1349   generate readx operations
1350 */
1351 static bool handler_readx(int instance)
1352 {
1353         union smb_read parm[NSERVERS];
1354         NTSTATUS status[NSERVERS];
1355
1356         parm[0].readx.level = RAW_READ_READX;
1357         parm[0].readx.in.file.fnum = gen_fnum(instance);
1358         parm[0].readx.in.offset = gen_offset();
1359         parm[0].readx.in.mincnt = gen_io_count();
1360         parm[0].readx.in.maxcnt = gen_io_count();
1361         parm[0].readx.in.remaining = gen_io_count();
1362         parm[0].readx.in.read_for_execute = gen_bool();
1363         parm[0].readx.out.data = talloc_array(current_op.mem_ctx, uint8_t,
1364                                              MAX(parm[0].readx.in.mincnt, parm[0].readx.in.maxcnt));
1365
1366         GEN_COPY_PARM;
1367         GEN_SET_FNUM(readx.in.file.fnum);
1368         GEN_CALL(smb_raw_read(tree, &parm[i]));
1369
1370         CHECK_EQUAL(readx.out.remaining);
1371         CHECK_EQUAL(readx.out.compaction_mode);
1372         CHECK_EQUAL(readx.out.nread);
1373
1374         return true;
1375 }
1376
1377 /*
1378   generate writex operations
1379 */
1380 static bool handler_writex(int instance)
1381 {
1382         union smb_write parm[NSERVERS];
1383         NTSTATUS status[NSERVERS];
1384
1385         parm[0].writex.level = RAW_WRITE_WRITEX;
1386         parm[0].writex.in.file.fnum = gen_fnum(instance);
1387         parm[0].writex.in.offset = gen_offset();
1388         parm[0].writex.in.wmode = gen_bits_mask(0xFFFF);
1389         parm[0].writex.in.remaining = gen_io_count();
1390         parm[0].writex.in.count = gen_io_count();
1391         parm[0].writex.in.data = talloc_zero_array(current_op.mem_ctx, uint8_t, parm[0].writex.in.count);
1392
1393         GEN_COPY_PARM;
1394         GEN_SET_FNUM(writex.in.file.fnum);
1395         GEN_CALL(smb_raw_write(tree, &parm[i]));
1396
1397         CHECK_EQUAL(writex.out.nwritten);
1398         CHECK_EQUAL(writex.out.remaining);
1399
1400         return true;
1401 }
1402
1403 /*
1404   generate lockingx operations
1405 */
1406 static bool handler_lockingx(int instance)
1407 {
1408         union smb_lock parm[NSERVERS];
1409         NTSTATUS status[NSERVERS];
1410         int n, nlocks;
1411
1412         parm[0].lockx.level = RAW_LOCK_LOCKX;
1413         parm[0].lockx.in.file.fnum = gen_fnum(instance);
1414         parm[0].lockx.in.mode = gen_lock_mode();
1415         parm[0].lockx.in.timeout = gen_timeout();
1416         do {
1417                 /* make sure we don't accidentially generate an oplock
1418                    break ack - otherwise the server can just block forever */
1419                 parm[0].lockx.in.ulock_cnt = gen_lock_count();
1420                 parm[0].lockx.in.lock_cnt = gen_lock_count();
1421                 nlocks = parm[0].lockx.in.ulock_cnt + parm[0].lockx.in.lock_cnt;
1422         } while (nlocks == 0);
1423
1424         if (nlocks > 0) {
1425                 parm[0].lockx.in.locks = talloc_array(current_op.mem_ctx,
1426                                                         struct smb_lock_entry,
1427                                                         nlocks);
1428                 for (n=0;n<nlocks;n++) {
1429                         parm[0].lockx.in.locks[n].pid = gen_pid();
1430                         parm[0].lockx.in.locks[n].offset = gen_offset();
1431                         parm[0].lockx.in.locks[n].count = gen_io_count();
1432                 }
1433         }
1434
1435         GEN_COPY_PARM;
1436         GEN_SET_FNUM(lockx.in.file.fnum);
1437         GEN_CALL(smb_raw_lock(tree, &parm[i]));
1438
1439         return true;
1440 }
1441
1442 /*
1443   generate a fileinfo query structure
1444 */
1445 static void gen_fileinfo(int instance, union smb_fileinfo *info)
1446 {
1447         int i;
1448         #define LVL(v) {RAW_FILEINFO_ ## v, "RAW_FILEINFO_" #v}
1449         struct {
1450                 enum smb_fileinfo_level level;
1451                 const char *name;
1452         }  levels[] = {
1453                 LVL(GETATTR), LVL(GETATTRE), LVL(STANDARD),
1454                 LVL(EA_SIZE), LVL(ALL_EAS), LVL(IS_NAME_VALID),
1455                 LVL(BASIC_INFO), LVL(STANDARD_INFO), LVL(EA_INFO),
1456                 LVL(NAME_INFO), LVL(ALL_INFO), LVL(ALT_NAME_INFO),
1457                 LVL(STREAM_INFO), LVL(COMPRESSION_INFO), LVL(BASIC_INFORMATION),
1458                 LVL(STANDARD_INFORMATION), LVL(INTERNAL_INFORMATION), LVL(EA_INFORMATION),
1459                 LVL(ACCESS_INFORMATION), LVL(NAME_INFORMATION), LVL(POSITION_INFORMATION),
1460                 LVL(MODE_INFORMATION), LVL(ALIGNMENT_INFORMATION), LVL(ALL_INFORMATION),
1461                 LVL(ALT_NAME_INFORMATION), LVL(STREAM_INFORMATION), LVL(COMPRESSION_INFORMATION),
1462                 LVL(NETWORK_OPEN_INFORMATION), LVL(ATTRIBUTE_TAG_INFORMATION)
1463         };
1464         do {
1465                 i = gen_int_range(0, ARRAY_SIZE(levels)-1);
1466         } while (ignore_pattern(levels[i].name));
1467
1468         info->generic.level = levels[i].level;
1469 }
1470
1471 /*
1472   compare returned fileinfo structures
1473 */
1474 static bool cmp_fileinfo(int instance,
1475                          union smb_fileinfo parm[NSERVERS],
1476                          NTSTATUS status[NSERVERS])
1477 {
1478         int i;
1479
1480         switch (parm[0].generic.level) {
1481         case RAW_FILEINFO_GENERIC:
1482                 return false;
1483
1484         case RAW_FILEINFO_GETATTR:
1485                 CHECK_EQUAL(getattr.out.attrib);
1486                 CHECK_EQUAL(getattr.out.size);
1487                 CHECK_TIMES_EQUAL(getattr.out.write_time);
1488                 break;
1489
1490         case RAW_FILEINFO_GETATTRE:
1491                 CHECK_TIMES_EQUAL(getattre.out.create_time);
1492                 CHECK_TIMES_EQUAL(getattre.out.access_time);
1493                 CHECK_TIMES_EQUAL(getattre.out.write_time);
1494                 CHECK_EQUAL(getattre.out.size);
1495                 CHECK_EQUAL(getattre.out.alloc_size);
1496                 CHECK_EQUAL(getattre.out.attrib);
1497                 break;
1498
1499         case RAW_FILEINFO_STANDARD:
1500                 CHECK_TIMES_EQUAL(standard.out.create_time);
1501                 CHECK_TIMES_EQUAL(standard.out.access_time);
1502                 CHECK_TIMES_EQUAL(standard.out.write_time);
1503                 CHECK_EQUAL(standard.out.size);
1504                 CHECK_EQUAL(standard.out.alloc_size);
1505                 CHECK_EQUAL(standard.out.attrib);
1506                 break;
1507
1508         case RAW_FILEINFO_EA_SIZE:
1509                 CHECK_TIMES_EQUAL(ea_size.out.create_time);
1510                 CHECK_TIMES_EQUAL(ea_size.out.access_time);
1511                 CHECK_TIMES_EQUAL(ea_size.out.write_time);
1512                 CHECK_EQUAL(ea_size.out.size);
1513                 CHECK_EQUAL(ea_size.out.alloc_size);
1514                 CHECK_EQUAL(ea_size.out.attrib);
1515                 CHECK_EQUAL(ea_size.out.ea_size);
1516                 break;
1517
1518         case RAW_FILEINFO_ALL_EAS:
1519                 CHECK_EQUAL(all_eas.out.num_eas);
1520                 for (i=0;i<parm[0].all_eas.out.num_eas;i++) {
1521                         CHECK_EQUAL(all_eas.out.eas[i].flags);
1522                         CHECK_WSTR_EQUAL(all_eas.out.eas[i].name);
1523                         CHECK_BLOB_EQUAL(all_eas.out.eas[i].value);
1524                 }
1525                 break;
1526
1527         case RAW_FILEINFO_IS_NAME_VALID:
1528                 break;
1529
1530         case RAW_FILEINFO_BASIC_INFO:
1531         case RAW_FILEINFO_BASIC_INFORMATION:
1532                 CHECK_NTTIMES_EQUAL(basic_info.out.create_time);
1533                 CHECK_NTTIMES_EQUAL(basic_info.out.access_time);
1534                 CHECK_NTTIMES_EQUAL(basic_info.out.write_time);
1535                 CHECK_NTTIMES_EQUAL(basic_info.out.change_time);
1536                 CHECK_EQUAL(basic_info.out.attrib);
1537                 break;
1538
1539         case RAW_FILEINFO_STANDARD_INFO:
1540         case RAW_FILEINFO_STANDARD_INFORMATION:
1541                 CHECK_EQUAL(standard_info.out.alloc_size);
1542                 CHECK_EQUAL(standard_info.out.size);
1543                 CHECK_EQUAL(standard_info.out.nlink);
1544                 CHECK_EQUAL(standard_info.out.delete_pending);
1545                 CHECK_EQUAL(standard_info.out.directory);
1546                 break;
1547
1548         case RAW_FILEINFO_EA_INFO:
1549         case RAW_FILEINFO_EA_INFORMATION:
1550                 CHECK_EQUAL(ea_info.out.ea_size);
1551                 break;
1552
1553         case RAW_FILEINFO_NAME_INFO:
1554         case RAW_FILEINFO_NAME_INFORMATION:
1555                 CHECK_WSTR_EQUAL(name_info.out.fname);
1556                 break;
1557
1558         case RAW_FILEINFO_ALL_INFO:
1559         case RAW_FILEINFO_ALL_INFORMATION:
1560                 CHECK_NTTIMES_EQUAL(all_info.out.create_time);
1561                 CHECK_NTTIMES_EQUAL(all_info.out.access_time);
1562                 CHECK_NTTIMES_EQUAL(all_info.out.write_time);
1563                 CHECK_NTTIMES_EQUAL(all_info.out.change_time);
1564                 CHECK_EQUAL(all_info.out.attrib);
1565                 CHECK_EQUAL(all_info.out.alloc_size);
1566                 CHECK_EQUAL(all_info.out.size);
1567                 CHECK_EQUAL(all_info.out.nlink);
1568                 CHECK_EQUAL(all_info.out.delete_pending);
1569                 CHECK_EQUAL(all_info.out.directory);
1570                 CHECK_EQUAL(all_info.out.ea_size);
1571                 CHECK_WSTR_EQUAL(all_info.out.fname);
1572                 break;
1573
1574         case RAW_FILEINFO_ALT_NAME_INFO:
1575         case RAW_FILEINFO_ALT_NAME_INFORMATION:
1576                 CHECK_WSTR_EQUAL(alt_name_info.out.fname);
1577                 break;
1578
1579         case RAW_FILEINFO_STREAM_INFO:
1580         case RAW_FILEINFO_STREAM_INFORMATION:
1581                 CHECK_EQUAL(stream_info.out.num_streams);
1582                 for (i=0;i<parm[0].stream_info.out.num_streams;i++) {
1583                         CHECK_EQUAL(stream_info.out.streams[i].size);
1584                         CHECK_EQUAL(stream_info.out.streams[i].alloc_size);
1585                         CHECK_WSTR_EQUAL(stream_info.out.streams[i].stream_name);
1586                 }
1587                 break;
1588
1589         case RAW_FILEINFO_COMPRESSION_INFO:
1590         case RAW_FILEINFO_COMPRESSION_INFORMATION:
1591                 CHECK_EQUAL(compression_info.out.compressed_size);
1592                 CHECK_EQUAL(compression_info.out.format);
1593                 CHECK_EQUAL(compression_info.out.unit_shift);
1594                 CHECK_EQUAL(compression_info.out.chunk_shift);
1595                 CHECK_EQUAL(compression_info.out.cluster_shift);
1596                 break;
1597
1598         case RAW_FILEINFO_INTERNAL_INFORMATION:
1599                 CHECK_EQUAL(internal_information.out.file_id);
1600                 break;
1601
1602         case RAW_FILEINFO_ACCESS_INFORMATION:
1603                 CHECK_EQUAL(access_information.out.access_flags);
1604                 break;
1605
1606         case RAW_FILEINFO_POSITION_INFORMATION:
1607                 CHECK_EQUAL(position_information.out.position);
1608                 break;
1609
1610         case RAW_FILEINFO_MODE_INFORMATION:
1611                 CHECK_EQUAL(mode_information.out.mode);
1612                 break;
1613
1614         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
1615                 CHECK_EQUAL(alignment_information.out.alignment_requirement);
1616                 break;
1617
1618         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
1619                 CHECK_NTTIMES_EQUAL(network_open_information.out.create_time);
1620                 CHECK_NTTIMES_EQUAL(network_open_information.out.access_time);
1621                 CHECK_NTTIMES_EQUAL(network_open_information.out.write_time);
1622                 CHECK_NTTIMES_EQUAL(network_open_information.out.change_time);
1623                 CHECK_EQUAL(network_open_information.out.alloc_size);
1624                 CHECK_EQUAL(network_open_information.out.size);
1625                 CHECK_EQUAL(network_open_information.out.attrib);
1626                 break;
1627
1628         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
1629                 CHECK_EQUAL(attribute_tag_information.out.attrib);
1630                 CHECK_EQUAL(attribute_tag_information.out.reparse_tag);
1631                 break;
1632
1633                 /* Unhandled levels */
1634
1635         case RAW_FILEINFO_SEC_DESC:
1636         case RAW_FILEINFO_EA_LIST:
1637         case RAW_FILEINFO_UNIX_BASIC:
1638         case RAW_FILEINFO_UNIX_LINK:
1639         case RAW_FILEINFO_SMB2_ALL_EAS:
1640         case RAW_FILEINFO_SMB2_ALL_INFORMATION:
1641                 break;
1642         }
1643
1644         return true;
1645 }
1646
1647 /*
1648   generate qpathinfo operations
1649 */
1650 static bool handler_qpathinfo(int instance)
1651 {
1652         union smb_fileinfo parm[NSERVERS];
1653         NTSTATUS status[NSERVERS];
1654
1655         parm[0].generic.in.file.path = gen_fname_open(instance);
1656
1657         gen_fileinfo(instance, &parm[0]);
1658
1659         GEN_COPY_PARM;
1660         GEN_CALL(smb_raw_pathinfo(tree, current_op.mem_ctx, &parm[i]));
1661
1662         return cmp_fileinfo(instance, parm, status);
1663 }
1664
1665 /*
1666   generate qfileinfo operations
1667 */
1668 static bool handler_qfileinfo(int instance)
1669 {
1670         union smb_fileinfo parm[NSERVERS];
1671         NTSTATUS status[NSERVERS];
1672
1673         parm[0].generic.in.file.fnum = gen_fnum(instance);
1674
1675         gen_fileinfo(instance, &parm[0]);
1676
1677         GEN_COPY_PARM;
1678         GEN_SET_FNUM(generic.in.file.fnum);
1679         GEN_CALL(smb_raw_fileinfo(tree, current_op.mem_ctx, &parm[i]));
1680
1681         return cmp_fileinfo(instance, parm, status);
1682 }
1683
1684
1685 /*
1686   generate a fileinfo query structure
1687 */
1688 static void gen_setfileinfo(int instance, union smb_setfileinfo *info)
1689 {
1690         int i;
1691         #undef LVL
1692         #define LVL(v) {RAW_SFILEINFO_ ## v, "RAW_SFILEINFO_" #v}
1693         struct {
1694                 enum smb_setfileinfo_level level;
1695                 const char *name;
1696         }  levels[] = {
1697 #if 0
1698                 /* disabled until win2003 can handle them ... */
1699                 LVL(EA_SET), LVL(BASIC_INFO), LVL(DISPOSITION_INFO),
1700                 LVL(STANDARD), LVL(ALLOCATION_INFO), LVL(END_OF_FILE_INFO),
1701 #endif
1702                 LVL(SETATTR), LVL(SETATTRE), LVL(BASIC_INFORMATION),
1703                 LVL(RENAME_INFORMATION), LVL(DISPOSITION_INFORMATION),
1704                 LVL(POSITION_INFORMATION), LVL(MODE_INFORMATION),
1705                 LVL(ALLOCATION_INFORMATION), LVL(END_OF_FILE_INFORMATION),
1706                 LVL(1023), LVL(1025), LVL(1029), LVL(1032), LVL(1039), LVL(1040)
1707         };
1708         do {
1709                 i = gen_int_range(0, ARRAY_SIZE(levels)-1);
1710         } while (ignore_pattern(levels[i].name));
1711
1712         info->generic.level = levels[i].level;
1713
1714         switch (info->generic.level) {
1715         case RAW_SFILEINFO_SETATTR:
1716                 info->setattr.in.attrib = gen_attrib();
1717                 info->setattr.in.write_time = gen_timet();
1718                 break;
1719         case RAW_SFILEINFO_SETATTRE:
1720                 info->setattre.in.create_time = gen_timet();
1721                 info->setattre.in.access_time = gen_timet();
1722                 info->setattre.in.write_time = gen_timet();
1723                 break;
1724         case RAW_SFILEINFO_STANDARD:
1725                 info->standard.in.create_time = gen_timet();
1726                 info->standard.in.access_time = gen_timet();
1727                 info->standard.in.write_time = gen_timet();
1728                 break;
1729         case RAW_SFILEINFO_EA_SET: {
1730                 static struct ea_struct ea;
1731                 info->ea_set.in.num_eas = 1;
1732                 info->ea_set.in.eas = &ea;
1733                 info->ea_set.in.eas[0] = gen_ea_struct();
1734         }
1735                 break;
1736         case RAW_SFILEINFO_BASIC_INFO:
1737         case RAW_SFILEINFO_BASIC_INFORMATION:
1738                 info->basic_info.in.create_time = gen_nttime();
1739                 info->basic_info.in.access_time = gen_nttime();
1740                 info->basic_info.in.write_time = gen_nttime();
1741                 info->basic_info.in.change_time = gen_nttime();
1742                 info->basic_info.in.attrib = gen_attrib();
1743                 break;
1744         case RAW_SFILEINFO_DISPOSITION_INFO:
1745         case RAW_SFILEINFO_DISPOSITION_INFORMATION:
1746                 info->disposition_info.in.delete_on_close = gen_bool();
1747                 break;
1748         case RAW_SFILEINFO_ALLOCATION_INFO:
1749         case RAW_SFILEINFO_ALLOCATION_INFORMATION:
1750                 info->allocation_info.in.alloc_size = gen_alloc_size();
1751                 break;
1752         case RAW_SFILEINFO_END_OF_FILE_INFO:
1753         case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
1754                 info->end_of_file_info.in.size = gen_offset();
1755                 break;
1756         case RAW_SFILEINFO_RENAME_INFORMATION:
1757                 info->rename_information.in.overwrite = gen_bool();
1758                 info->rename_information.in.root_fid = gen_root_fid(instance);
1759                 info->rename_information.in.new_name = gen_fname_open(instance);
1760                 break;
1761         case RAW_SFILEINFO_POSITION_INFORMATION:
1762                 info->position_information.in.position = gen_offset();
1763                 break;
1764         case RAW_SFILEINFO_MODE_INFORMATION:
1765                 info->mode_information.in.mode = gen_bits_mask(0xFFFFFFFF);
1766                 break;
1767         case RAW_SFILEINFO_GENERIC:
1768         case RAW_SFILEINFO_SEC_DESC:
1769         case RAW_SFILEINFO_UNIX_BASIC:
1770         case RAW_SFILEINFO_UNIX_LINK:
1771         case RAW_SFILEINFO_UNIX_HLINK:
1772         case RAW_SFILEINFO_1023:
1773         case RAW_SFILEINFO_1025:
1774         case RAW_SFILEINFO_1029:
1775         case RAW_SFILEINFO_1032:
1776         case RAW_SFILEINFO_1039:
1777         case RAW_SFILEINFO_1040:
1778                 /* Untested */
1779                 break;
1780         }
1781 }
1782
1783 /*
1784   generate setpathinfo operations
1785 */
1786 static bool handler_spathinfo(int instance)
1787 {
1788         union smb_setfileinfo parm[NSERVERS];
1789         NTSTATUS status[NSERVERS];
1790
1791         parm[0].generic.in.file.path = gen_fname_open(instance);
1792
1793         gen_setfileinfo(instance, &parm[0]);
1794
1795         GEN_COPY_PARM;
1796
1797         /* a special case for the fid in a RENAME */
1798         if (parm[0].generic.level == RAW_SFILEINFO_RENAME_INFORMATION &&
1799             parm[0].rename_information.in.root_fid != 0) {
1800                 GEN_SET_FNUM(rename_information.in.root_fid);
1801         }
1802
1803         GEN_CALL(smb_raw_setpathinfo(tree, &parm[i]));
1804
1805         return true;
1806 }
1807
1808
1809 /*
1810   generate setfileinfo operations
1811 */
1812 static bool handler_sfileinfo(int instance)
1813 {
1814         union smb_setfileinfo parm[NSERVERS];
1815         NTSTATUS status[NSERVERS];
1816
1817         parm[0].generic.in.file.fnum = gen_fnum(instance);
1818
1819         gen_setfileinfo(instance, &parm[0]);
1820
1821         GEN_COPY_PARM;
1822         GEN_SET_FNUM(generic.in.file.fnum);
1823         GEN_CALL(smb_raw_setfileinfo(tree, &parm[i]));
1824
1825         return true;
1826 }
1827
1828
1829 /*
1830   generate change notify operations
1831 */
1832 static bool handler_notify(int instance)
1833 {
1834         union smb_notify parm[NSERVERS];
1835         int n;
1836
1837         ZERO_STRUCT(parm[0]);
1838         parm[0].nttrans.level                   = RAW_NOTIFY_NTTRANS;
1839         parm[0].nttrans.in.buffer_size          = gen_io_count();
1840         parm[0].nttrans.in.completion_filter    = gen_bits_mask(0xFF);
1841         parm[0].nttrans.in.file.fnum            = gen_fnum(instance);
1842         parm[0].nttrans.in.recursive            = gen_bool();
1843
1844         GEN_COPY_PARM;
1845         GEN_SET_FNUM(nttrans.in.file.fnum);
1846
1847         for (n=0;n<NSERVERS;n++) {
1848                 struct smbcli_request *req;
1849                 req = smb_raw_changenotify_send(servers[n].cli[instance]->tree, &parm[n]);
1850                 req->async.fn = async_notify;
1851         }
1852
1853         return true;
1854 }
1855
1856 /*
1857   wipe any relevant files
1858 */
1859 static void wipe_files(void)
1860 {
1861         int i;
1862         for (i=0;i<NSERVERS;i++) {
1863                 int n = smbcli_deltree(servers[i].cli[0]->tree, "\\gentest");
1864                 if (n == -1) {
1865                         printf("Failed to wipe tree on server %d\n", i);
1866                         exit(1);
1867                 }
1868                 if (NT_STATUS_IS_ERR(smbcli_mkdir(servers[i].cli[0]->tree, "\\gentest"))) {
1869                         printf("Failed to create \\gentest - %s\n",
1870                                smbcli_errstr(servers[i].cli[0]->tree));
1871                         exit(1);
1872                 }
1873                 if (n > 0) {
1874                         printf("Deleted %d files on server %d\n", n, i);
1875                 }
1876         }
1877 }
1878
1879 /*
1880   dump the current seeds - useful for continuing a backtrack
1881 */
1882 static void dump_seeds(void)
1883 {
1884         int i;
1885         FILE *f;
1886
1887         if (!options.seeds_file) {
1888                 return;
1889         }
1890         f = fopen("seeds.tmp", "w");
1891         if (!f) return;
1892
1893         for (i=0;i<options.numops;i++) {
1894                 fprintf(f, "%u\n", op_parms[i].seed);
1895         }
1896         fclose(f);
1897         rename("seeds.tmp", options.seeds_file);
1898 }
1899
1900
1901
1902 /*
1903   the list of top-level operations that we will generate
1904 */
1905 static struct {
1906         const char *name;
1907         bool (*handler)(int instance);
1908         int count, success_count;
1909 } gen_ops[] = {
1910         {"OPEN",       handler_open},
1911         {"OPENX",      handler_openx},
1912         {"NTCREATEX",  handler_ntcreatex},
1913         {"CLOSE",      handler_close},
1914         {"UNLINK",     handler_unlink},
1915         {"MKDIR",      handler_mkdir},
1916         {"RMDIR",      handler_rmdir},
1917         {"RENAME",     handler_rename},
1918         {"NTRENAME",   handler_ntrename},
1919         {"READX",      handler_readx},
1920         {"WRITEX",     handler_writex},
1921         {"CHKPATH",    handler_chkpath},
1922         {"LOCKINGX",   handler_lockingx},
1923         {"QPATHINFO",  handler_qpathinfo},
1924         {"QFILEINFO",  handler_qfileinfo},
1925         {"SPATHINFO",  handler_spathinfo},
1926         {"SFILEINFO",  handler_sfileinfo},
1927         {"NOTIFY",     handler_notify},
1928         {"SEEK",       handler_seek},
1929 };
1930
1931
1932 /*
1933   run the test with the current set of op_parms parameters
1934   return the number of operations that completed successfully
1935 */
1936 static int run_test(struct loadparm_context *lp_ctx)
1937 {
1938         int op, i;
1939
1940         if (!connect_servers(lp_ctx)) {
1941                 printf("Failed to connect to servers\n");
1942                 exit(1);
1943         }
1944
1945         dump_seeds();
1946
1947         /* wipe any leftover files from old runs */
1948         wipe_files();
1949
1950         /* reset the open handles array */
1951         memset(open_handles, 0, options.max_open_handles * sizeof(open_handles[0]));
1952         num_open_handles = 0;
1953
1954         for (i=0;i<ARRAY_SIZE(gen_ops);i++) {
1955                 gen_ops[i].count = 0;
1956                 gen_ops[i].success_count = 0;
1957         }
1958
1959         for (op=0; op<options.numops; op++) {
1960                 int instance, which_op;
1961                 bool ret;
1962
1963                 if (op_parms[op].disabled) continue;
1964
1965                 srandom(op_parms[op].seed);
1966
1967                 instance = gen_int_range(0, NINSTANCES-1);
1968
1969                 /* generate a non-ignored operation */
1970                 do {
1971                         which_op = gen_int_range(0, ARRAY_SIZE(gen_ops)-1);
1972                 } while (ignore_pattern(gen_ops[which_op].name));
1973
1974                 DEBUG(3,("Generating op %s on instance %d\n",
1975                          gen_ops[which_op].name, instance));
1976
1977                 current_op.seed = op_parms[op].seed;
1978                 current_op.opnum = op;
1979                 current_op.name = gen_ops[which_op].name;
1980                 current_op.status = NT_STATUS_OK;
1981                 current_op.mem_ctx = talloc_named(NULL, 0, "%s", current_op.name);
1982
1983                 ret = gen_ops[which_op].handler(instance);
1984
1985                 talloc_free(current_op.mem_ctx);
1986
1987                 gen_ops[which_op].count++;
1988                 if (NT_STATUS_IS_OK(current_op.status)) {
1989                         gen_ops[which_op].success_count++;
1990                 }
1991
1992                 if (!ret) {
1993                         printf("Failed at operation %d - %s\n",
1994                                op, gen_ops[which_op].name);
1995                         return op;
1996                 }
1997
1998                 if (op % 100 == 0) {
1999                         printf("%d\n", op);
2000                 }
2001         }
2002
2003         for (i=0;i<ARRAY_SIZE(gen_ops);i++) {
2004                 printf("Op %-10s got %d/%d success\n",
2005                        gen_ops[i].name,
2006                        gen_ops[i].success_count,
2007                        gen_ops[i].count);
2008         }
2009
2010         return op;
2011 }
2012
2013 /*
2014    perform a backtracking analysis of the minimal set of operations
2015    to generate an error
2016 */
2017 static void backtrack_analyze(struct loadparm_context *lp_ctx)
2018 {
2019         int chunk, ret;
2020
2021         chunk = options.numops / 2;
2022
2023         do {
2024                 int base;
2025                 for (base=0;
2026                      chunk > 0 && base+chunk < options.numops && options.numops > 1; ) {
2027                         int i, max;
2028
2029                         chunk = MIN(chunk, options.numops / 2);
2030
2031                         /* mark this range as disabled */
2032                         max = MIN(options.numops, base+chunk);
2033                         for (i=base;i<max; i++) {
2034                                 op_parms[i].disabled = true;
2035                         }
2036                         printf("Testing %d ops with %d-%d disabled\n",
2037                                options.numops, base, max-1);
2038                         ret = run_test(lp_ctx);
2039                         printf("Completed %d of %d ops\n", ret, options.numops);
2040                         for (i=base;i<max; i++) {
2041                                 op_parms[i].disabled = false;
2042                         }
2043                         if (ret == options.numops) {
2044                                 /* this chunk is needed */
2045                                 base += chunk;
2046                         } else if (ret < base) {
2047                                 printf("damn - inconsistent errors! found early error\n");
2048                                 options.numops = ret+1;
2049                                 base = 0;
2050                         } else {
2051                                 /* it failed - this chunk isn't needed for a failure */
2052                                 memmove(&op_parms[base], &op_parms[max],
2053                                         sizeof(op_parms[0]) * (options.numops - max));
2054                                 options.numops = (ret+1) - (max - base);
2055                         }
2056                 }
2057
2058                 if (chunk == 2) {
2059                         chunk = 1;
2060                 } else {
2061                         chunk *= 0.4;
2062                 }
2063
2064                 if (options.analyze_continuous && chunk == 0 && options.numops != 1) {
2065                         chunk = 1;
2066                 }
2067         } while (chunk > 0);
2068
2069         printf("Reduced to %d ops\n", options.numops);
2070         ret = run_test(lp_ctx);
2071         if (ret != options.numops - 1) {
2072                 printf("Inconsistent result? ret=%d numops=%d\n", ret, options.numops);
2073         }
2074 }
2075
2076 /*
2077    start the main gentest process
2078 */
2079 static bool start_gentest(struct loadparm_context *lp_ctx)
2080 {
2081         int op;
2082         int ret;
2083
2084         /* allocate the open_handles array */
2085         open_handles = calloc(options.max_open_handles, sizeof(open_handles[0]));
2086
2087         srandom(options.seed);
2088         op_parms = calloc(options.numops, sizeof(op_parms[0]));
2089
2090         /* generate the seeds - after this everything is deterministic */
2091         if (options.use_preset_seeds) {
2092                 int numops;
2093                 char **preset = file_lines_load(options.seeds_file, &numops, NULL);
2094                 if (!preset) {
2095                         printf("Failed to load %s - %s\n", options.seeds_file, strerror(errno));
2096                         exit(1);
2097                 }
2098                 if (numops < options.numops) {
2099                         options.numops = numops;
2100                 }
2101                 for (op=0;op<options.numops;op++) {
2102                         if (!preset[op]) {
2103                                 printf("Not enough seeds in %s\n", options.seeds_file);
2104                                 exit(1);
2105                         }
2106                         op_parms[op].seed = atoi(preset[op]);
2107                 }
2108                 printf("Loaded %d seeds from %s\n", options.numops, options.seeds_file);
2109         } else {
2110                 for (op=0; op<options.numops; op++) {
2111                         op_parms[op].seed = random();
2112                 }
2113         }
2114
2115         ret = run_test(lp_ctx);
2116
2117         if (ret != options.numops && options.analyze) {
2118                 options.numops = ret+1;
2119                 backtrack_analyze(lp_ctx);
2120         } else if (options.analyze_always) {
2121                 backtrack_analyze(lp_ctx);
2122         } else if (options.analyze_continuous) {
2123                 while (run_test(lp_ctx) == options.numops) ;
2124         }
2125
2126         return ret == options.numops;
2127 }
2128
2129
2130 static void usage(void)
2131 {
2132         printf(
2133 "Usage:\n\
2134   gentest2 //server1/share1 //server2/share2 [options..]\n\
2135   options:\n\
2136         -U user%%pass        (can be specified twice)\n\
2137         -s seed\n\
2138         -o numops\n\
2139         -a            (show all ops)\n\
2140         -A            backtrack to find minimal ops\n\
2141         -i FILE       add a list of wildcard exclusions\n\
2142         -O            enable oplocks\n\
2143         -S FILE       set preset seeds file\n\
2144         -L            use preset seeds\n\
2145         -F            fast reconnect (just close files)\n\
2146         -C            continuous analysis mode\n\
2147         -X            analyse even when test OK\n\
2148 ");
2149 }
2150
2151 /**
2152   split a UNC name into server and share names
2153 */
2154 static bool split_unc_name(const char *unc, char **server, char **share)
2155 {
2156         char *p = strdup(unc);
2157         if (!p) return false;
2158         all_string_sub(p, "\\", "/", 0);
2159         if (strncmp(p, "//", 2) != 0) return false;
2160
2161         (*server) = p+2;
2162         p = strchr(*server, '/');
2163         if (!p) return false;
2164
2165         *p = 0;
2166         (*share) = p+1;
2167
2168         return true;
2169 }
2170
2171
2172
2173 /****************************************************************************
2174   main program
2175 ****************************************************************************/
2176  int main(int argc, char *argv[])
2177 {
2178         int opt;
2179         int i, username_count=0;
2180         bool ret;
2181         struct loadparm_context *lp_ctx;
2182
2183         setlinebuf(stdout);
2184
2185         setup_logging("gentest", DEBUG_STDOUT);
2186
2187         if (argc < 3 || argv[1][0] == '-') {
2188                 usage();
2189                 exit(1);
2190         }
2191
2192         setup_logging(argv[0], DEBUG_STDOUT);
2193
2194         for (i=0;i<NSERVERS;i++) {
2195                 const char *share = argv[1+i];
2196                 servers[i].credentials = cli_credentials_init(NULL);
2197                 if (!split_unc_name(share, &servers[i].server_name, &servers[i].share_name)) {
2198                         printf("Invalid share name '%s'\n", share);
2199                         return -1;
2200                 }
2201         }
2202
2203         argc -= NSERVERS;
2204         argv += NSERVERS;
2205
2206         lp_ctx = loadparm_init(talloc_autofree_context());
2207         lp_load(lp_ctx, dyn_CONFIGFILE);
2208
2209         servers[0].credentials = cli_credentials_init(talloc_autofree_context());
2210         servers[1].credentials = cli_credentials_init(talloc_autofree_context());
2211         cli_credentials_guess(servers[0].credentials, lp_ctx);
2212         cli_credentials_guess(servers[1].credentials, lp_ctx);
2213
2214         options.seed = time(NULL);
2215         options.numops = 1000;
2216         options.max_open_handles = 20;
2217         options.seeds_file = "gentest_seeds.dat";
2218
2219         while ((opt = getopt(argc, argv, "U:s:o:ad:i:AOhS:LFXC")) != EOF) {
2220                 switch (opt) {
2221                 case 'U':
2222                         if (username_count == 2) {
2223                                 usage();
2224                                 exit(1);
2225                         }
2226                         cli_credentials_parse_string(servers[username_count].credentials,
2227                                                      optarg, CRED_SPECIFIED);
2228                         username_count++;
2229                         break;
2230                 case 'd':
2231                         DEBUGLEVEL = atoi(optarg);
2232                         setup_logging(NULL, DEBUG_STDOUT);
2233                         break;
2234                 case 's':
2235                         options.seed = atoi(optarg);
2236                         break;
2237                 case 'S':
2238                         options.seeds_file = optarg;
2239                         break;
2240                 case 'L':
2241                         options.use_preset_seeds = true;
2242                         break;
2243                 case 'F':
2244                         options.fast_reconnect = true;
2245                         break;
2246                 case 'o':
2247                         options.numops = atoi(optarg);
2248                         break;
2249                 case 'O':
2250                         options.use_oplocks = true;
2251                         break;
2252                 case 'a':
2253                         options.showall = true;
2254                         break;
2255                 case 'A':
2256                         options.analyze = true;
2257                         break;
2258                 case 'X':
2259                         options.analyze_always = true;
2260                         break;
2261                 case 'C':
2262                         options.analyze_continuous = true;
2263                         break;
2264                 case 'i':
2265                         options.ignore_patterns = file_lines_load(optarg, NULL, NULL);
2266                         break;
2267                 case 'h':
2268                         usage();
2269                         exit(1);
2270                 default:
2271                         printf("Unknown option %c (%d)\n", (char)opt, opt);
2272                         exit(1);
2273                 }
2274         }
2275
2276         gensec_init(lp_ctx);
2277
2278         if (username_count == 0) {
2279                 usage();
2280                 return -1;
2281         }
2282         if (username_count == 1) {
2283                 servers[1].credentials = servers[0].credentials;
2284         }
2285
2286         printf("seed=%u\n", options.seed);
2287
2288         ret = start_gentest(lp_ctx);
2289
2290         if (ret) {
2291                 printf("gentest completed - no errors\n");
2292         } else {
2293                 printf("gentest failed\n");
2294         }
2295
2296         return ret?0:-1;
2297 }