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s4-dns: Remove sync dns_server_process_query
[Samba.git] / source3 / torture / locktest.c
blob04928f20ac85084dfef760310ddbbf0d981ccda0
1 /*
2 Unix SMB/CIFS implementation.
3 randomised byte range lock tester
4 Copyright (C) Andrew Tridgell 1999
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "includes.h"
21 #include "libsmb/libsmb.h"
22 #include "system/filesys.h"
23 #include "locking/proto.h"
24 #include "libsmb/nmblib.h"
25 #include "../libcli/smb/smbXcli_base.h"
26
27 static fstring password[2];
28 static fstring username[2];
29 static int got_user;
30 static int got_pass;
31 static bool use_kerberos;
32 static int numops = 1000;
33 static bool showall;
34 static bool analyze;
35 static bool hide_unlock_fails;
36 static bool use_oplocks;
37 static unsigned lock_range = 100;
38 static unsigned lock_base = 0;
39 static unsigned min_length = 0;
40 static bool exact_error_codes;
41 static bool zero_zero;
42
43 extern char *optarg;
44 extern int optind;
45
46 #define FILENAME "\\locktest.dat"
47
48 #define READ_PCT 50
49 #define LOCK_PCT 45
50 #define UNLOCK_PCT 70
51 #define RANGE_MULTIPLE 1
52 #define NSERVERS 2
53 #define NCONNECTIONS 2
54 #define NFILES 2
55 #define LOCK_TIMEOUT 0
56
57 #define NASTY_POSIX_LOCK_HACK 0
58
59 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
60
61 static const char *lock_op_type(int op)
62 {
63 if (op == WRITE_LOCK) return "write";
64 else if (op == READ_LOCK) return "read";
65 else return "other";
66 }
67
68 static const char *lock_op_name(enum lock_op op)
69 {
70 if (op == OP_LOCK) return "lock";
71 else if (op == OP_UNLOCK) return "unlock";
72 else return "reopen";
73 }
74
75 struct record {
76 enum lock_op lock_op;
77 enum brl_type lock_type;
78 char conn, f;
79 uint64_t start, len;
80 char needed;
81 };
82
83 #define PRESETS 0
84
85 #if PRESETS
86 static struct record preset[] = {
87 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
88 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
89 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
90 {OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
91 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
92
93 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
94 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
95 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
96 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
97
98 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
99 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
100 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
101 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
102
103 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
104 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
105 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
106 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
107
108 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
109 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
110 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
111 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
112
113 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
114 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
115 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
116 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
117
118 };
119 #endif
120
121 static struct record *recorded;
122
123 static void print_brl(struct file_id id,
124 struct server_id pid,
125 enum brl_type lock_type,
126 enum brl_flavour lock_flav,
127 br_off start,
128 br_off size,
129 void *private_data)
130 {
131 #if NASTY_POSIX_LOCK_HACK
132 {
133 static SMB_INO_T lastino;
134
135 if (lastino != ino) {
136 char *cmd;
137 if (asprintf(&cmd,
138 "egrep POSIX.*%u /proc/locks", (int)ino) > 0) {
139 system(cmd);
140 SAFE_FREE(cmd);
141 }
142 }
143 lastino = ino;
144 }
145 #endif
146
147 printf("%s %s %s %.0f:%.0f(%.0f)\n",
148 procid_str_static(&pid), file_id_string_tos(&id),
149 lock_type==READ_LOCK?"R":"W",
150 (double)start, (double)start+size-1,(double)size);
151
152 }
153
154
155 static void show_locks(void)
156 {
157 brl_forall(print_brl, NULL);
158 /* system("cat /proc/locks"); */
159 }
160
161
162 /*****************************************************
163 return a connection to a server
164 *******************************************************/
165 static struct cli_state *connect_one(char *share, int snum)
166 {
167 struct cli_state *c;
168 char *server_n;
169 fstring server;
170 fstring myname;
171 static int count;
172 NTSTATUS status;
173 int flags = 0;
174
175 fstrcpy(server,share+2);
176 share = strchr_m(server,'\\');
177 if (!share) return NULL;
178 *share = 0;
179 share++;
180
181 server_n = server;
182
183 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
184
185 /* have to open a new connection */
186
187 if (use_kerberos) {
188 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
189 }
190 if (use_oplocks) {
191 flags |= CLI_FULL_CONNECTION_OPLOCKS;
192 }
193
194 status = cli_connect_nb(server_n, NULL, 0, 0x20, myname,
195 SMB_SIGNING_DEFAULT, flags, &c);
196 if (!NT_STATUS_IS_OK(status)) {
197 DEBUG(0, ("Connection to %s failed. Error %s\n", server_n,
198 nt_errstr(status)));
199 return NULL;
200 }
201
202 status = smbXcli_negprot(c->conn, c->timeout, PROTOCOL_CORE,
203 PROTOCOL_NT1);
204 if (!NT_STATUS_IS_OK(status)) {
205 DEBUG(0, ("protocol negotiation failed: %s\n",
206 nt_errstr(status)));
207 cli_shutdown(c);
208 return NULL;
209 }
210
211 if (!got_pass) {
212 char *pass = getpass("Password: ");
213 if (pass) {
214 fstrcpy(password[0], pass);
215 fstrcpy(password[1], pass);
216 }
217 }
218
219 if (got_pass == 1) {
220 strlcpy(password[1], password[0],sizeof(password[1]));
221 strlcpy(username[1], username[0],sizeof(username[1]));
222 }
223
224 status = cli_session_setup(c, username[snum],
225 password[snum], strlen(password[snum]),
226 password[snum], strlen(password[snum]),
227 lp_workgroup());
228 if (!NT_STATUS_IS_OK(status)) {
229 DEBUG(0,("session setup failed: %s\n", nt_errstr(status)));
230 return NULL;
231 }
232
233 /*
234 * These next two lines are needed to emulate
235 * old client behaviour for people who have
236 * scripts based on client output.
237 * QUESTION ? Do we want to have a 'client compatibility
238 * mode to turn these on/off ? JRA.
239 */
240
241 if (*c->server_domain || *c->server_os || *c->server_type)
242 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
243 c->server_domain,c->server_os,c->server_type));
244
245 DEBUG(4,(" session setup ok\n"));
246
247 status = cli_tree_connect(c, share, "?????", password[snum],
248 strlen(password[snum])+1);
249 if (!NT_STATUS_IS_OK(status)) {
250 DEBUG(0,("tree connect failed: %s\n", nt_errstr(status)));
251 cli_shutdown(c);
252 return NULL;
253 }
254
255 DEBUG(4,(" tconx ok\n"));
256
257 return c;
258 }
259
260
261 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
262 char *share[NSERVERS])
263 {
264 int server, conn, f;
265
266 for (server=0;server<NSERVERS;server++)
267 for (conn=0;conn<NCONNECTIONS;conn++) {
268 if (cli[server][conn]) {
269 for (f=0;f<NFILES;f++) {
270 if (fnum[server][conn][f] != (uint16_t)-1) {
271 cli_close(cli[server][conn], fnum[server][conn][f]);
272 fnum[server][conn][f] = (uint16_t)-1;
273 }
274 }
275 cli_ulogoff(cli[server][conn]);
276 cli_shutdown(cli[server][conn]);
277 }
278 cli[server][conn] = connect_one(share[server], server);
279 if (!cli[server][conn]) {
280 DEBUG(0,("Failed to connect to %s\n", share[server]));
281 exit(1);
282 }
283 }
284 }
285
286
287
288 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
289 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
290 struct record *rec)
291 {
292 unsigned conn = rec->conn;
293 unsigned f = rec->f;
294 uint64_t start = rec->start;
295 uint64_t len = rec->len;
296 enum brl_type op = rec->lock_type;
297 int server;
298 NTSTATUS status[NSERVERS];
299
300 switch (rec->lock_op) {
301 case OP_LOCK:
302 /* set a lock */
303 for (server=0;server<NSERVERS;server++) {
304 status[server] = cli_lock64(cli[server][conn],
305 fnum[server][conn][f],
306 start, len, LOCK_TIMEOUT,
307 op);
308 if (!exact_error_codes &&
309 NT_STATUS_EQUAL(status[server],
310 NT_STATUS_FILE_LOCK_CONFLICT)) {
311 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
312 }
313 }
314 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
315 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
316 conn, f,
317 (double)start, (double)len,
318 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
319 nt_errstr(status[0]), nt_errstr(status[1]));
320 }
321 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
322 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
323 break;
324
325 case OP_UNLOCK:
326 /* unset a lock */
327 for (server=0;server<NSERVERS;server++) {
328 status[server] = cli_unlock64(cli[server][conn],
329 fnum[server][conn][f],
330 start, len);
331 }
332 if (showall ||
333 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
334 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
335 conn, f,
336 (double)start, (double)len,
337 nt_errstr(status[0]), nt_errstr(status[1]));
338 }
339 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
340 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
341 return False;
342 break;
343
344 case OP_REOPEN:
345 /* reopen the file */
346 for (server=0;server<NSERVERS;server++) {
347 cli_close(cli[server][conn], fnum[server][conn][f]);
348 fnum[server][conn][f] = (uint16_t)-1;
349 }
350 for (server=0;server<NSERVERS;server++) {
351 fnum[server][conn][f] = (uint16_t)-1;
352 if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
353 O_RDWR|O_CREAT,
354 DENY_NONE, &fnum[server][conn][f]))) {
355 printf("failed to reopen on share%d\n", server);
356 return False;
357 }
358 }
359 if (showall) {
360 printf("reopen conn=%u f=%u\n",
361 conn, f);
362 show_locks();
363 }
364 break;
365 }
366
367 return True;
368 }
369
370 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
371 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
372 {
373 int server, conn, f;
374
375 for (server=0;server<NSERVERS;server++)
376 for (conn=0;conn<NCONNECTIONS;conn++)
377 for (f=0;f<NFILES;f++) {
378 if (fnum[server][conn][f] != (uint16_t)-1) {
379 cli_close(cli[server][conn], fnum[server][conn][f]);
380 fnum[server][conn][f] = (uint16_t)-1;
381 }
382 }
383 for (server=0;server<NSERVERS;server++) {
384 cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
385 }
386 }
387
388 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
389 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
390 {
391 int server, conn, f;
392
393 for (server=0;server<NSERVERS;server++)
394 for (conn=0;conn<NCONNECTIONS;conn++)
395 for (f=0;f<NFILES;f++) {
396 fnum[server][conn][f] = (uint16_t)-1;
397 if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
398 O_RDWR|O_CREAT,
399 DENY_NONE,
400 &fnum[server][conn][f]))) {
401 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
402 server, conn, f);
403 exit(1);
404 }
405 }
406 }
407
408
409 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
410 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
411 int n)
412 {
413 int i;
414 printf("testing %u ...\n", n);
415 for (i=0; i<n; i++) {
416 if (i && i % 100 == 0) {
417 printf("%u\n", i);
418 }
419
420 if (recorded[i].needed &&
421 !test_one(cli, fnum, &recorded[i])) return i;
422 }
423 return n;
424 }
425
426
427 /* each server has two connections open to it. Each connection has two file
428 descriptors open on the file - 8 file descriptors in total
429
430 we then do random locking ops in tamdem on the 4 fnums from each
431 server and ensure that the results match
432 */
433 static void test_locks(char *share[NSERVERS])
434 {
435 struct cli_state *cli[NSERVERS][NCONNECTIONS];
436 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES];
437 int n, i, n1, skip, r1, r2;
438
439 ZERO_STRUCT(fnum);
440 ZERO_STRUCT(cli);
441
442 recorded = SMB_MALLOC_ARRAY(struct record, numops);
443
444 for (n=0; n<numops; n++) {
445 #if PRESETS
446 if (n < sizeof(preset) / sizeof(preset[0])) {
447 recorded[n] = preset[n];
448 } else {
449 #endif
450 recorded[n].conn = random() % NCONNECTIONS;
451 recorded[n].f = random() % NFILES;
452 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
453 recorded[n].len = min_length +
454 random() % (lock_range-(recorded[n].start-lock_base));
455 recorded[n].start *= RANGE_MULTIPLE;
456 recorded[n].len *= RANGE_MULTIPLE;
457 r1 = random() % 100;
458 r2 = random() % 100;
459 if (r1 < READ_PCT) {
460 recorded[n].lock_type = READ_LOCK;
461 } else {
462 recorded[n].lock_type = WRITE_LOCK;
463 }
464 if (r2 < LOCK_PCT) {
465 recorded[n].lock_op = OP_LOCK;
466 } else if (r2 < UNLOCK_PCT) {
467 recorded[n].lock_op = OP_UNLOCK;
468 } else {
469 recorded[n].lock_op = OP_REOPEN;
470 }
471 recorded[n].needed = True;
472 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
473 recorded[n].len = 1;
474 }
475 #if PRESETS
476 }
477 #endif
478 }
479
480 reconnect(cli, fnum, share);
481 open_files(cli, fnum);
482 n = retest(cli, fnum, numops);
483
484 if (n == numops || !analyze) return;
485 n++;
486
487 skip = n/2;
488
489 while (1) {
490 n1 = n;
491
492 close_files(cli, fnum);
493 reconnect(cli, fnum, share);
494 open_files(cli, fnum);
495
496 for (i=0;i<n-skip;i+=skip) {
497 int m, j;
498 printf("excluding %d-%d\n", i, i+skip-1);
499 for (j=i;j<i+skip;j++) {
500 recorded[j].needed = False;
501 }
502
503 close_files(cli, fnum);
504 open_files(cli, fnum);
505
506 m = retest(cli, fnum, n);
507 if (m == n) {
508 for (j=i;j<i+skip;j++) {
509 recorded[j].needed = True;
510 }
511 } else {
512 if (i+(skip-1) < m) {
513 memmove(&recorded[i], &recorded[i+skip],
514 (m-(i+skip-1))*sizeof(recorded[0]));
515 }
516 n = m-(skip-1);
517 i--;
518 }
519 }
520
521 if (skip > 1) {
522 skip = skip/2;
523 printf("skip=%d\n", skip);
524 continue;
525 }
526
527 if (n1 == n) break;
528 }
529
530 close_files(cli, fnum);
531 reconnect(cli, fnum, share);
532 open_files(cli, fnum);
533 showall = True;
534 n1 = retest(cli, fnum, n);
535 if (n1 != n-1) {
536 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
537 }
538 close_files(cli, fnum);
539
540 for (i=0;i<n;i++) {
541 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
542 lock_op_name(recorded[i].lock_op),
543 lock_op_type(recorded[i].lock_type),
544 recorded[i].conn,
545 recorded[i].f,
546 (double)recorded[i].start,
547 (double)recorded[i].len,
548 recorded[i].needed);
549 }
550 }
551
552
553
554 static void usage(void)
555 {
556 printf(
557 "Usage:\n\
558 locktest //server1/share1 //server2/share2 [options..]\n\
559 options:\n\
560 -U user%%pass (may be specified twice)\n\
561 -k use kerberos\n\
562 -s seed\n\
563 -o numops\n\
564 -u hide unlock fails\n\
565 -a (show all ops)\n\
566 -A analyse for minimal ops\n\
567 -O use oplocks\n\
568 -E enable exact error code checking\n\
569 -Z enable the zero/zero lock\n\
570 -R range set lock range\n\
571 -B base set lock base\n\
572 -M min set min lock length\n\
573 ");
574 }
575
576 /****************************************************************************
577 main program
578 ****************************************************************************/
579 int main(int argc,char *argv[])
580 {
581 char *share[NSERVERS];
582 int opt;
583 char *p;
584 int seed, server;
585
586 setlinebuf(stdout);
587
588 load_case_tables();
589
590 if (argc < 3 || argv[1][0] == '-') {
591 usage();
592 exit(1);
593 }
594
595 setup_logging(argv[0], DEBUG_STDOUT);
596
597 for (server=0;server<NSERVERS;server++) {
598 share[server] = argv[1+server];
599 all_string_sub(share[server],"/","\\",0);
600 }
601
602 argc -= NSERVERS;
603 argv += NSERVERS;
604
605 lp_load_global(get_dyn_CONFIGFILE());
606 load_interfaces();
607
608 if (getenv("USER")) {
609 fstrcpy(username[0],getenv("USER"));
610 fstrcpy(username[1],getenv("USER"));
611 }
612
613 seed = time(NULL);
614
615 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
616 switch (opt) {
617 case 'k':
618 #ifdef HAVE_KRB5
619 use_kerberos = True;
620 #else
621 d_printf("No kerberos support compiled in\n");
622 exit(1);
623 #endif
624 break;
625 case 'U':
626 got_user = 1;
627 if (got_pass == 2) {
628 d_printf("Max of 2 usernames\n");
629 exit(1);
630 }
631 fstrcpy(username[got_pass],optarg);
632 p = strchr_m(username[got_pass],'%');
633 if (p) {
634 *p = 0;
635 fstrcpy(password[got_pass], p+1);
636 got_pass++;
637 }
638 break;
639 case 'R':
640 lock_range = strtol(optarg, NULL, 0);
641 break;
642 case 'B':
643 lock_base = strtol(optarg, NULL, 0);
644 break;
645 case 'M':
646 min_length = strtol(optarg, NULL, 0);
647 break;
648 case 's':
649 seed = atoi(optarg);
650 break;
651 case 'u':
652 hide_unlock_fails = True;
653 break;
654 case 'o':
655 numops = atoi(optarg);
656 break;
657 case 'O':
658 use_oplocks = True;
659 break;
660 case 'a':
661 showall = True;
662 break;
663 case 'A':
664 analyze = True;
665 break;
666 case 'Z':
667 zero_zero = True;
668 break;
669 case 'E':
670 exact_error_codes = True;
671 break;
672 case 'h':
673 usage();
674 exit(1);
675 default:
676 printf("Unknown option %c (%d)\n", (char)opt, opt);
677 exit(1);
678 }
679 }
680
681 if(use_kerberos && !got_user) got_pass = True;
682
683 argc -= optind;
684 argv += optind;
685
686 DEBUG(0,("seed=%u\n", seed));
687 srandom(seed);
688
689 test_locks(share);
690
691 return(0);
692 }
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