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[GLUE] Rsync SAMBA_3_0 SVN r25598 in order to create the v3-0-test branch.
[Samba.git] / source / torture / locktest.c
blobff14b803a73a2c2e97ce15e53d0729dd7681b383
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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #include "includes.h"
22
23 static fstring password[2];
24 static fstring username[2];
25 static int got_user;
26 static int got_pass;
27 static BOOL use_kerberos;
28 static int numops = 1000;
29 static BOOL showall;
30 static BOOL analyze;
31 static BOOL hide_unlock_fails;
32 static BOOL use_oplocks;
33 static unsigned lock_range = 100;
34 static unsigned lock_base = 0;
35 static unsigned min_length = 0;
36 static BOOL exact_error_codes;
37 static BOOL zero_zero;
38
39 extern char *optarg;
40 extern int optind;
41
42 #define FILENAME "\\locktest.dat"
43
44 #define READ_PCT 50
45 #define LOCK_PCT 45
46 #define UNLOCK_PCT 70
47 #define RANGE_MULTIPLE 1
48 #define NSERVERS 2
49 #define NCONNECTIONS 2
50 #define NFILES 2
51 #define LOCK_TIMEOUT 0
52
53 #define NASTY_POSIX_LOCK_HACK 0
54
55 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
56
57 static const char *lock_op_type(int op)
58 {
59 if (op == WRITE_LOCK) return "write";
60 else if (op == READ_LOCK) return "read";
61 else return "other";
62 }
63
64 static const char *lock_op_name(enum lock_op op)
65 {
66 if (op == OP_LOCK) return "lock";
67 else if (op == OP_UNLOCK) return "unlock";
68 else return "reopen";
69 }
70
71 struct record {
72 enum lock_op lock_op;
73 enum brl_type lock_type;
74 char conn, f;
75 SMB_BIG_UINT start, len;
76 char needed;
77 };
78
79 #define PRESETS 0
80
81 #if PRESETS
82 static struct record preset[] = {
83 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
84 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
85 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
86 {OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
87 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
88
89 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
90 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
91 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
92 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
93
94 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
95 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
96 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
97 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
98
99 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
100 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
101 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
102 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
103
104 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
105 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
106 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
107 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
108
109 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
110 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
111 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
112 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
113
114 };
115 #endif
116
117 static struct record *recorded;
118
119 static void print_brl(SMB_DEV_T dev,
120 SMB_INO_T ino,
121 struct process_id pid,
122 enum brl_type lock_type,
123 enum brl_flavour lock_flav,
124 br_off start,
125 br_off size)
126 {
127 #if NASTY_POSIX_LOCK_HACK
128 {
129 pstring cmd;
130 static SMB_INO_T lastino;
131
132 if (lastino != ino) {
133 slprintf(cmd, sizeof(cmd),
134 "egrep POSIX.*%u /proc/locks", (int)ino);
135 system(cmd);
136 }
137 lastino = ino;
138 }
139 #endif
140
141 printf("%s %05x:%05x %s %.0f:%.0f(%.0f)\n",
142 procid_str_static(&pid), (int)dev, (int)ino,
143 lock_type==READ_LOCK?"R":"W",
144 (double)start, (double)start+size-1,(double)size);
145
146 }
147
148
149 static void show_locks(void)
150 {
151 brl_forall(print_brl);
152 /* system("cat /proc/locks"); */
153 }
154
155
156 /*****************************************************
157 return a connection to a server
158 *******************************************************/
159 static struct cli_state *connect_one(char *share, int snum)
160 {
161 struct cli_state *c;
162 struct nmb_name called, calling;
163 char *server_n;
164 fstring server;
165 struct in_addr ip;
166 fstring myname;
167 static int count;
168 NTSTATUS status;
169
170 fstrcpy(server,share+2);
171 share = strchr_m(server,'\\');
172 if (!share) return NULL;
173 *share = 0;
174 share++;
175
176 server_n = server;
177
178 zero_ip(&ip);
179
180 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
181
182 make_nmb_name(&calling, myname, 0x0);
183 make_nmb_name(&called , server, 0x20);
184
185 again:
186 zero_ip(&ip);
187
188 /* have to open a new connection */
189 if (!(c=cli_initialise())) {
190 DEBUG(0,("Connection to %s failed\n", server_n));
191 return NULL;
192 }
193
194 status = cli_connect(c, server_n, &ip);
195 if (!NT_STATUS_IS_OK(status)) {
196 DEBUG(0,("Connection to %s failed. Error %s\n", server_n, nt_errstr(status) ));
197 return NULL;
198 }
199
200 c->use_kerberos = use_kerberos;
201
202 if (!cli_session_request(c, &calling, &called)) {
203 DEBUG(0,("session request to %s failed\n", called.name));
204 cli_shutdown(c);
205 if (strcmp(called.name, "*SMBSERVER")) {
206 make_nmb_name(&called , "*SMBSERVER", 0x20);
207 goto again;
208 }
209 return NULL;
210 }
211
212 DEBUG(4,(" session request ok\n"));
213
214 if (!cli_negprot(c)) {
215 DEBUG(0,("protocol negotiation failed\n"));
216 cli_shutdown(c);
217 return NULL;
218 }
219
220 if (!got_pass) {
221 char *pass = getpass("Password: ");
222 if (pass) {
223 fstrcpy(password[0], pass);
224 fstrcpy(password[1], pass);
225 }
226 }
227
228 if (got_pass == 1) {
229 fstrcpy(password[1], password[0]);
230 fstrcpy(username[1], username[0]);
231 }
232
233 if (!NT_STATUS_IS_OK(cli_session_setup(c, username[snum],
234 password[snum],
235 strlen(password[snum]),
236 password[snum],
237 strlen(password[snum]),
238 lp_workgroup()))) {
239 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
240 return NULL;
241 }
242
243 /*
244 * These next two lines are needed to emulate
245 * old client behaviour for people who have
246 * scripts based on client output.
247 * QUESTION ? Do we want to have a 'client compatibility
248 * mode to turn these on/off ? JRA.
249 */
250
251 if (*c->server_domain || *c->server_os || *c->server_type)
252 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
253 c->server_domain,c->server_os,c->server_type));
254
255 DEBUG(4,(" session setup ok\n"));
256
257 if (!cli_send_tconX(c, share, "?????",
258 password[snum], strlen(password[snum])+1)) {
259 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
260 cli_shutdown(c);
261 return NULL;
262 }
263
264 DEBUG(4,(" tconx ok\n"));
265
266 c->use_oplocks = use_oplocks;
267
268 return c;
269 }
270
271
272 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
273 char *share[NSERVERS])
274 {
275 int server, conn, f;
276
277 for (server=0;server<NSERVERS;server++)
278 for (conn=0;conn<NCONNECTIONS;conn++) {
279 if (cli[server][conn]) {
280 for (f=0;f<NFILES;f++) {
281 if (fnum[server][conn][f] != -1) {
282 cli_close(cli[server][conn], fnum[server][conn][f]);
283 fnum[server][conn][f] = -1;
284 }
285 }
286 cli_ulogoff(cli[server][conn]);
287 cli_shutdown(cli[server][conn]);
288 }
289 cli[server][conn] = connect_one(share[server], server);
290 if (!cli[server][conn]) {
291 DEBUG(0,("Failed to connect to %s\n", share[server]));
292 exit(1);
293 }
294 }
295 }
296
297
298
299 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
300 int fnum[NSERVERS][NCONNECTIONS][NFILES],
301 struct record *rec)
302 {
303 unsigned conn = rec->conn;
304 unsigned f = rec->f;
305 SMB_BIG_UINT start = rec->start;
306 SMB_BIG_UINT len = rec->len;
307 enum brl_type op = rec->lock_type;
308 int server;
309 BOOL ret[NSERVERS];
310 NTSTATUS status[NSERVERS];
311
312 switch (rec->lock_op) {
313 case OP_LOCK:
314 /* set a lock */
315 for (server=0;server<NSERVERS;server++) {
316 ret[server] = cli_lock64(cli[server][conn],
317 fnum[server][conn][f],
318 start, len, LOCK_TIMEOUT, op);
319 status[server] = cli_nt_error(cli[server][conn]);
320 if (!exact_error_codes &&
321 NT_STATUS_EQUAL(status[server],
322 NT_STATUS_FILE_LOCK_CONFLICT)) {
323 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
324 }
325 }
326 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
327 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
328 conn, f,
329 (double)start, (double)len,
330 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
331 nt_errstr(status[0]), nt_errstr(status[1]));
332 }
333 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
334 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
335 break;
336
337 case OP_UNLOCK:
338 /* unset a lock */
339 for (server=0;server<NSERVERS;server++) {
340 ret[server] = cli_unlock64(cli[server][conn],
341 fnum[server][conn][f],
342 start, len);
343 status[server] = cli_nt_error(cli[server][conn]);
344 }
345 if (showall ||
346 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
347 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
348 conn, f,
349 (double)start, (double)len,
350 nt_errstr(status[0]), nt_errstr(status[1]));
351 }
352 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
353 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
354 return False;
355 break;
356
357 case OP_REOPEN:
358 /* reopen the file */
359 for (server=0;server<NSERVERS;server++) {
360 cli_close(cli[server][conn], fnum[server][conn][f]);
361 fnum[server][conn][f] = -1;
362 }
363 for (server=0;server<NSERVERS;server++) {
364 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
365 O_RDWR|O_CREAT,
366 DENY_NONE);
367 if (fnum[server][conn][f] == -1) {
368 printf("failed to reopen on share%d\n", server);
369 return False;
370 }
371 }
372 if (showall) {
373 printf("reopen conn=%u f=%u\n",
374 conn, f);
375 show_locks();
376 }
377 break;
378 }
379
380 return True;
381 }
382
383 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
384 int fnum[NSERVERS][NCONNECTIONS][NFILES])
385 {
386 int server, conn, f;
387
388 for (server=0;server<NSERVERS;server++)
389 for (conn=0;conn<NCONNECTIONS;conn++)
390 for (f=0;f<NFILES;f++) {
391 if (fnum[server][conn][f] != -1) {
392 cli_close(cli[server][conn], fnum[server][conn][f]);
393 fnum[server][conn][f] = -1;
394 }
395 }
396 for (server=0;server<NSERVERS;server++) {
397 cli_unlink(cli[server][0], FILENAME);
398 }
399 }
400
401 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
402 int fnum[NSERVERS][NCONNECTIONS][NFILES])
403 {
404 int server, conn, f;
405
406 for (server=0;server<NSERVERS;server++)
407 for (conn=0;conn<NCONNECTIONS;conn++)
408 for (f=0;f<NFILES;f++) {
409 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
410 O_RDWR|O_CREAT,
411 DENY_NONE);
412 if (fnum[server][conn][f] == -1) {
413 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
414 server, conn, f);
415 exit(1);
416 }
417 }
418 }
419
420
421 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
422 int fnum[NSERVERS][NCONNECTIONS][NFILES],
423 int n)
424 {
425 int i;
426 printf("testing %u ...\n", n);
427 for (i=0; i<n; i++) {
428 if (i && i % 100 == 0) {
429 printf("%u\n", i);
430 }
431
432 if (recorded[i].needed &&
433 !test_one(cli, fnum, &recorded[i])) return i;
434 }
435 return n;
436 }
437
438
439 /* each server has two connections open to it. Each connection has two file
440 descriptors open on the file - 8 file descriptors in total
441
442 we then do random locking ops in tamdem on the 4 fnums from each
443 server and ensure that the results match
444 */
445 static void test_locks(char *share[NSERVERS])
446 {
447 struct cli_state *cli[NSERVERS][NCONNECTIONS];
448 int fnum[NSERVERS][NCONNECTIONS][NFILES];
449 int n, i, n1, skip, r1, r2;
450
451 ZERO_STRUCT(fnum);
452 ZERO_STRUCT(cli);
453
454 recorded = SMB_MALLOC_ARRAY(struct record, numops);
455
456 for (n=0; n<numops; n++) {
457 #if PRESETS
458 if (n < sizeof(preset) / sizeof(preset[0])) {
459 recorded[n] = preset[n];
460 } else {
461 #endif
462 recorded[n].conn = random() % NCONNECTIONS;
463 recorded[n].f = random() % NFILES;
464 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
465 recorded[n].len = min_length +
466 random() % (lock_range-(recorded[n].start-lock_base));
467 recorded[n].start *= RANGE_MULTIPLE;
468 recorded[n].len *= RANGE_MULTIPLE;
469 r1 = random() % 100;
470 r2 = random() % 100;
471 if (r1 < READ_PCT) {
472 recorded[n].lock_type = READ_LOCK;
473 } else {
474 recorded[n].lock_type = WRITE_LOCK;
475 }
476 if (r2 < LOCK_PCT) {
477 recorded[n].lock_op = OP_LOCK;
478 } else if (r2 < UNLOCK_PCT) {
479 recorded[n].lock_op = OP_UNLOCK;
480 } else {
481 recorded[n].lock_op = OP_REOPEN;
482 }
483 recorded[n].needed = True;
484 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
485 recorded[n].len = 1;
486 }
487 #if PRESETS
488 }
489 #endif
490 }
491
492 reconnect(cli, fnum, share);
493 open_files(cli, fnum);
494 n = retest(cli, fnum, numops);
495
496 if (n == numops || !analyze) return;
497 n++;
498
499 skip = n/2;
500
501 while (1) {
502 n1 = n;
503
504 close_files(cli, fnum);
505 reconnect(cli, fnum, share);
506 open_files(cli, fnum);
507
508 for (i=0;i<n-skip;i+=skip) {
509 int m, j;
510 printf("excluding %d-%d\n", i, i+skip-1);
511 for (j=i;j<i+skip;j++) {
512 recorded[j].needed = False;
513 }
514
515 close_files(cli, fnum);
516 open_files(cli, fnum);
517
518 m = retest(cli, fnum, n);
519 if (m == n) {
520 for (j=i;j<i+skip;j++) {
521 recorded[j].needed = True;
522 }
523 } else {
524 if (i+(skip-1) < m) {
525 memmove(&recorded[i], &recorded[i+skip],
526 (m-(i+skip-1))*sizeof(recorded[0]));
527 }
528 n = m-(skip-1);
529 i--;
530 }
531 }
532
533 if (skip > 1) {
534 skip = skip/2;
535 printf("skip=%d\n", skip);
536 continue;
537 }
538
539 if (n1 == n) break;
540 }
541
542 close_files(cli, fnum);
543 reconnect(cli, fnum, share);
544 open_files(cli, fnum);
545 showall = True;
546 n1 = retest(cli, fnum, n);
547 if (n1 != n-1) {
548 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
549 }
550 close_files(cli, fnum);
551
552 for (i=0;i<n;i++) {
553 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
554 lock_op_name(recorded[i].lock_op),
555 lock_op_type(recorded[i].lock_type),
556 recorded[i].conn,
557 recorded[i].f,
558 (double)recorded[i].start,
559 (double)recorded[i].len,
560 recorded[i].needed);
561 }
562 }
563
564
565
566 static void usage(void)
567 {
568 printf(
569 "Usage:\n\
570 locktest //server1/share1 //server2/share2 [options..]\n\
571 options:\n\
572 -U user%%pass (may be specified twice)\n\
573 -k use kerberos\n\
574 -s seed\n\
575 -o numops\n\
576 -u hide unlock fails\n\
577 -a (show all ops)\n\
578 -A analyse for minimal ops\n\
579 -O use oplocks\n\
580 -E enable exact error code checking\n\
581 -Z enable the zero/zero lock\n\
582 -R range set lock range\n\
583 -B base set lock base\n\
584 -M min set min lock length\n\
585 ");
586 }
587
588 /****************************************************************************
589 main program
590 ****************************************************************************/
591 int main(int argc,char *argv[])
592 {
593 char *share[NSERVERS];
594 int opt;
595 char *p;
596 int seed, server;
597
598 setlinebuf(stdout);
599
600 load_case_tables();
601
602 dbf = x_stderr;
603
604 if (argc < 3 || argv[1][0] == '-') {
605 usage();
606 exit(1);
607 }
608
609 setup_logging(argv[0],True);
610
611 for (server=0;server<NSERVERS;server++) {
612 share[server] = argv[1+server];
613 all_string_sub(share[server],"/","\\",0);
614 }
615
616 argc -= NSERVERS;
617 argv += NSERVERS;
618
619 lp_load(dyn_CONFIGFILE,True,False,False,True);
620 load_interfaces();
621
622 if (getenv("USER")) {
623 fstrcpy(username[0],getenv("USER"));
624 fstrcpy(username[1],getenv("USER"));
625 }
626
627 seed = time(NULL);
628
629 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
630 switch (opt) {
631 case 'k':
632 #ifdef HAVE_KRB5
633 use_kerberos = True;
634 #else
635 d_printf("No kerberos support compiled in\n");
636 exit(1);
637 #endif
638 break;
639 case 'U':
640 got_user = 1;
641 if (got_pass == 2) {
642 d_printf("Max of 2 usernames\n");
643 exit(1);
644 }
645 fstrcpy(username[got_pass],optarg);
646 p = strchr_m(username[got_pass],'%');
647 if (p) {
648 *p = 0;
649 fstrcpy(password[got_pass], p+1);
650 got_pass++;
651 }
652 break;
653 case 'R':
654 lock_range = strtol(optarg, NULL, 0);
655 break;
656 case 'B':
657 lock_base = strtol(optarg, NULL, 0);
658 break;
659 case 'M':
660 min_length = strtol(optarg, NULL, 0);
661 break;
662 case 's':
663 seed = atoi(optarg);
664 break;
665 case 'u':
666 hide_unlock_fails = True;
667 break;
668 case 'o':
669 numops = atoi(optarg);
670 break;
671 case 'O':
672 use_oplocks = True;
673 break;
674 case 'a':
675 showall = True;
676 break;
677 case 'A':
678 analyze = True;
679 break;
680 case 'Z':
681 zero_zero = True;
682 break;
683 case 'E':
684 exact_error_codes = True;
685 break;
686 case 'h':
687 usage();
688 exit(1);
689 default:
690 printf("Unknown option %c (%d)\n", (char)opt, opt);
691 exit(1);
692 }
693 }
694
695 if(use_kerberos && !got_user) got_pass = True;
696
697 argc -= optind;
698 argv += optind;
699
700 DEBUG(0,("seed=%u\n", seed));
701 srandom(seed);
702
703 test_locks(share);
704
705 return(0);
706 }
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