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r22928: Use better success error code.
[Samba/gebeck_regimport.git] / source / torture / locktest.c
blob792ada61a963b7f30260f3bba013699babb3cf08
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 server_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
169 fstrcpy(server,share+2);
170 share = strchr_m(server,'\\');
171 if (!share) return NULL;
172 *share = 0;
173 share++;
174
175 server_n = server;
176
177 zero_ip(&ip);
178
179 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
180
181 make_nmb_name(&calling, myname, 0x0);
182 make_nmb_name(&called , server, 0x20);
183
184 again:
185 zero_ip(&ip);
186
187 /* have to open a new connection */
188 if (!(c=cli_initialise()) || !cli_connect(c, server_n, &ip)) {
189 DEBUG(0,("Connection to %s failed\n", server_n));
190 return NULL;
191 }
192
193 c->use_kerberos = use_kerberos;
194
195 if (!cli_session_request(c, &calling, &called)) {
196 DEBUG(0,("session request to %s failed\n", called.name));
197 cli_shutdown(c);
198 if (strcmp(called.name, "*SMBSERVER")) {
199 make_nmb_name(&called , "*SMBSERVER", 0x20);
200 goto again;
201 }
202 return NULL;
203 }
204
205 DEBUG(4,(" session request ok\n"));
206
207 if (!cli_negprot(c)) {
208 DEBUG(0,("protocol negotiation failed\n"));
209 cli_shutdown(c);
210 return NULL;
211 }
212
213 if (!got_pass) {
214 char *pass = getpass("Password: ");
215 if (pass) {
216 fstrcpy(password[0], pass);
217 fstrcpy(password[1], pass);
218 }
219 }
220
221 if (got_pass == 1) {
222 fstrcpy(password[1], password[0]);
223 fstrcpy(username[1], username[0]);
224 }
225
226 if (!NT_STATUS_IS_OK(cli_session_setup(c, username[snum],
227 password[snum],
228 strlen(password[snum]),
229 password[snum],
230 strlen(password[snum]),
231 lp_workgroup()))) {
232 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
233 return NULL;
234 }
235
236 /*
237 * These next two lines are needed to emulate
238 * old client behaviour for people who have
239 * scripts based on client output.
240 * QUESTION ? Do we want to have a 'client compatibility
241 * mode to turn these on/off ? JRA.
242 */
243
244 if (*c->server_domain || *c->server_os || *c->server_type)
245 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
246 c->server_domain,c->server_os,c->server_type));
247
248 DEBUG(4,(" session setup ok\n"));
249
250 if (!cli_send_tconX(c, share, "?????",
251 password[snum], strlen(password[snum])+1)) {
252 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
253 cli_shutdown(c);
254 return NULL;
255 }
256
257 DEBUG(4,(" tconx ok\n"));
258
259 c->use_oplocks = use_oplocks;
260
261 return c;
262 }
263
264
265 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
266 char *share[NSERVERS])
267 {
268 int server, conn, f;
269
270 for (server=0;server<NSERVERS;server++)
271 for (conn=0;conn<NCONNECTIONS;conn++) {
272 if (cli[server][conn]) {
273 for (f=0;f<NFILES;f++) {
274 if (fnum[server][conn][f] != -1) {
275 cli_close(cli[server][conn], fnum[server][conn][f]);
276 fnum[server][conn][f] = -1;
277 }
278 }
279 cli_ulogoff(cli[server][conn]);
280 cli_shutdown(cli[server][conn]);
281 }
282 cli[server][conn] = connect_one(share[server], server);
283 if (!cli[server][conn]) {
284 DEBUG(0,("Failed to connect to %s\n", share[server]));
285 exit(1);
286 }
287 }
288 }
289
290
291
292 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
293 int fnum[NSERVERS][NCONNECTIONS][NFILES],
294 struct record *rec)
295 {
296 unsigned conn = rec->conn;
297 unsigned f = rec->f;
298 SMB_BIG_UINT start = rec->start;
299 SMB_BIG_UINT len = rec->len;
300 enum brl_type op = rec->lock_type;
301 int server;
302 BOOL ret[NSERVERS];
303 NTSTATUS status[NSERVERS];
304
305 switch (rec->lock_op) {
306 case OP_LOCK:
307 /* set a lock */
308 for (server=0;server<NSERVERS;server++) {
309 ret[server] = cli_lock64(cli[server][conn],
310 fnum[server][conn][f],
311 start, len, LOCK_TIMEOUT, op);
312 status[server] = cli_nt_error(cli[server][conn]);
313 if (!exact_error_codes &&
314 NT_STATUS_EQUAL(status[server],
315 NT_STATUS_FILE_LOCK_CONFLICT)) {
316 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
317 }
318 }
319 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
320 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
321 conn, f,
322 (double)start, (double)len,
323 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
324 nt_errstr(status[0]), nt_errstr(status[1]));
325 }
326 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
327 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
328 break;
329
330 case OP_UNLOCK:
331 /* unset a lock */
332 for (server=0;server<NSERVERS;server++) {
333 ret[server] = cli_unlock64(cli[server][conn],
334 fnum[server][conn][f],
335 start, len);
336 status[server] = cli_nt_error(cli[server][conn]);
337 }
338 if (showall ||
339 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
340 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
341 conn, f,
342 (double)start, (double)len,
343 nt_errstr(status[0]), nt_errstr(status[1]));
344 }
345 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
346 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
347 return False;
348 break;
349
350 case OP_REOPEN:
351 /* reopen the file */
352 for (server=0;server<NSERVERS;server++) {
353 cli_close(cli[server][conn], fnum[server][conn][f]);
354 fnum[server][conn][f] = -1;
355 }
356 for (server=0;server<NSERVERS;server++) {
357 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
358 O_RDWR|O_CREAT,
359 DENY_NONE);
360 if (fnum[server][conn][f] == -1) {
361 printf("failed to reopen on share%d\n", server);
362 return False;
363 }
364 }
365 if (showall) {
366 printf("reopen conn=%u f=%u\n",
367 conn, f);
368 show_locks();
369 }
370 break;
371 }
372
373 return True;
374 }
375
376 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
377 int fnum[NSERVERS][NCONNECTIONS][NFILES])
378 {
379 int server, conn, f;
380
381 for (server=0;server<NSERVERS;server++)
382 for (conn=0;conn<NCONNECTIONS;conn++)
383 for (f=0;f<NFILES;f++) {
384 if (fnum[server][conn][f] != -1) {
385 cli_close(cli[server][conn], fnum[server][conn][f]);
386 fnum[server][conn][f] = -1;
387 }
388 }
389 for (server=0;server<NSERVERS;server++) {
390 cli_unlink(cli[server][0], FILENAME);
391 }
392 }
393
394 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
395 int fnum[NSERVERS][NCONNECTIONS][NFILES])
396 {
397 int server, conn, f;
398
399 for (server=0;server<NSERVERS;server++)
400 for (conn=0;conn<NCONNECTIONS;conn++)
401 for (f=0;f<NFILES;f++) {
402 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
403 O_RDWR|O_CREAT,
404 DENY_NONE);
405 if (fnum[server][conn][f] == -1) {
406 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
407 server, conn, f);
408 exit(1);
409 }
410 }
411 }
412
413
414 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
415 int fnum[NSERVERS][NCONNECTIONS][NFILES],
416 int n)
417 {
418 int i;
419 printf("testing %u ...\n", n);
420 for (i=0; i<n; i++) {
421 if (i && i % 100 == 0) {
422 printf("%u\n", i);
423 }
424
425 if (recorded[i].needed &&
426 !test_one(cli, fnum, &recorded[i])) return i;
427 }
428 return n;
429 }
430
431
432 /* each server has two connections open to it. Each connection has two file
433 descriptors open on the file - 8 file descriptors in total
434
435 we then do random locking ops in tamdem on the 4 fnums from each
436 server and ensure that the results match
437 */
438 static void test_locks(char *share[NSERVERS])
439 {
440 struct cli_state *cli[NSERVERS][NCONNECTIONS];
441 int fnum[NSERVERS][NCONNECTIONS][NFILES];
442 int n, i, n1, skip, r1, r2;
443
444 ZERO_STRUCT(fnum);
445 ZERO_STRUCT(cli);
446
447 recorded = SMB_MALLOC_ARRAY(struct record, numops);
448
449 for (n=0; n<numops; n++) {
450 #if PRESETS
451 if (n < sizeof(preset) / sizeof(preset[0])) {
452 recorded[n] = preset[n];
453 } else {
454 #endif
455 recorded[n].conn = random() % NCONNECTIONS;
456 recorded[n].f = random() % NFILES;
457 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
458 recorded[n].len = min_length +
459 random() % (lock_range-(recorded[n].start-lock_base));
460 recorded[n].start *= RANGE_MULTIPLE;
461 recorded[n].len *= RANGE_MULTIPLE;
462 r1 = random() % 100;
463 r2 = random() % 100;
464 if (r1 < READ_PCT) {
465 recorded[n].lock_type = READ_LOCK;
466 } else {
467 recorded[n].lock_type = WRITE_LOCK;
468 }
469 if (r2 < LOCK_PCT) {
470 recorded[n].lock_op = OP_LOCK;
471 } else if (r2 < UNLOCK_PCT) {
472 recorded[n].lock_op = OP_UNLOCK;
473 } else {
474 recorded[n].lock_op = OP_REOPEN;
475 }
476 recorded[n].needed = True;
477 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
478 recorded[n].len = 1;
479 }
480 #if PRESETS
481 }
482 #endif
483 }
484
485 reconnect(cli, fnum, share);
486 open_files(cli, fnum);
487 n = retest(cli, fnum, numops);
488
489 if (n == numops || !analyze) return;
490 n++;
491
492 skip = n/2;
493
494 while (1) {
495 n1 = n;
496
497 close_files(cli, fnum);
498 reconnect(cli, fnum, share);
499 open_files(cli, fnum);
500
501 for (i=0;i<n-skip;i+=skip) {
502 int m, j;
503 printf("excluding %d-%d\n", i, i+skip-1);
504 for (j=i;j<i+skip;j++) {
505 recorded[j].needed = False;
506 }
507
508 close_files(cli, fnum);
509 open_files(cli, fnum);
510
511 m = retest(cli, fnum, n);
512 if (m == n) {
513 for (j=i;j<i+skip;j++) {
514 recorded[j].needed = True;
515 }
516 } else {
517 if (i+(skip-1) < m) {
518 memmove(&recorded[i], &recorded[i+skip],
519 (m-(i+skip-1))*sizeof(recorded[0]));
520 }
521 n = m-(skip-1);
522 i--;
523 }
524 }
525
526 if (skip > 1) {
527 skip = skip/2;
528 printf("skip=%d\n", skip);
529 continue;
530 }
531
532 if (n1 == n) break;
533 }
534
535 close_files(cli, fnum);
536 reconnect(cli, fnum, share);
537 open_files(cli, fnum);
538 showall = True;
539 n1 = retest(cli, fnum, n);
540 if (n1 != n-1) {
541 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
542 }
543 close_files(cli, fnum);
544
545 for (i=0;i<n;i++) {
546 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
547 lock_op_name(recorded[i].lock_op),
548 lock_op_type(recorded[i].lock_type),
549 recorded[i].conn,
550 recorded[i].f,
551 (double)recorded[i].start,
552 (double)recorded[i].len,
553 recorded[i].needed);
554 }
555 }
556
557
558
559 static void usage(void)
560 {
561 printf(
562 "Usage:\n\
563 locktest //server1/share1 //server2/share2 [options..]\n\
564 options:\n\
565 -U user%%pass (may be specified twice)\n\
566 -k use kerberos\n\
567 -s seed\n\
568 -o numops\n\
569 -u hide unlock fails\n\
570 -a (show all ops)\n\
571 -A analyse for minimal ops\n\
572 -O use oplocks\n\
573 -E enable exact error code checking\n\
574 -Z enable the zero/zero lock\n\
575 -R range set lock range\n\
576 -B base set lock base\n\
577 -M min set min lock length\n\
578 ");
579 }
580
581 /****************************************************************************
582 main program
583 ****************************************************************************/
584 int main(int argc,char *argv[])
585 {
586 char *share[NSERVERS];
587 int opt;
588 char *p;
589 int seed, server;
590
591 setlinebuf(stdout);
592
593 load_case_tables();
594
595 dbf = x_stderr;
596
597 if (argc < 3 || argv[1][0] == '-') {
598 usage();
599 exit(1);
600 }
601
602 setup_logging(argv[0],True);
603
604 for (server=0;server<NSERVERS;server++) {
605 share[server] = argv[1+server];
606 all_string_sub(share[server],"/","\\",0);
607 }
608
609 argc -= NSERVERS;
610 argv += NSERVERS;
611
612 lp_load(dyn_CONFIGFILE,True,False,False,True);
613 load_interfaces();
614
615 if (getenv("USER")) {
616 fstrcpy(username[0],getenv("USER"));
617 fstrcpy(username[1],getenv("USER"));
618 }
619
620 seed = time(NULL);
621
622 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
623 switch (opt) {
624 case 'k':
625 #ifdef HAVE_KRB5
626 use_kerberos = True;
627 #else
628 d_printf("No kerberos support compiled in\n");
629 exit(1);
630 #endif
631 break;
632 case 'U':
633 got_user = 1;
634 if (got_pass == 2) {
635 d_printf("Max of 2 usernames\n");
636 exit(1);
637 }
638 fstrcpy(username[got_pass],optarg);
639 p = strchr_m(username[got_pass],'%');
640 if (p) {
641 *p = 0;
642 fstrcpy(password[got_pass], p+1);
643 got_pass++;
644 }
645 break;
646 case 'R':
647 lock_range = strtol(optarg, NULL, 0);
648 break;
649 case 'B':
650 lock_base = strtol(optarg, NULL, 0);
651 break;
652 case 'M':
653 min_length = strtol(optarg, NULL, 0);
654 break;
655 case 's':
656 seed = atoi(optarg);
657 break;
658 case 'u':
659 hide_unlock_fails = True;
660 break;
661 case 'o':
662 numops = atoi(optarg);
663 break;
664 case 'O':
665 use_oplocks = True;
666 break;
667 case 'a':
668 showall = True;
669 break;
670 case 'A':
671 analyze = True;
672 break;
673 case 'Z':
674 zero_zero = True;
675 break;
676 case 'E':
677 exact_error_codes = True;
678 break;
679 case 'h':
680 usage();
681 exit(1);
682 default:
683 printf("Unknown option %c (%d)\n", (char)opt, opt);
684 exit(1);
685 }
686 }
687
688 if(use_kerberos && !got_user) got_pass = True;
689
690 argc -= optind;
691 argv += optind;
692
693 DEBUG(0,("seed=%u\n", seed));
694 srandom(seed);
695
696 test_locks(share);
697
698 return(0);
699 }
reg import