?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
r8323: * convert RegSetValue() calls immediately beneath the printer
[Samba/gbeck.git] / source / torture / locktest.c
blobcdeebf2f8ec36b35225becf649706896feb3bb45
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 #define NO_SYSLOG
22
23 #include "includes.h"
24
25 static fstring password[2];
26 static fstring username[2];
27 static int got_user;
28 static int got_pass;
29 static BOOL use_kerberos;
30 static int numops = 1000;
31 static BOOL showall;
32 static BOOL analyze;
33 static BOOL hide_unlock_fails;
34 static BOOL use_oplocks;
35 static unsigned lock_range = 100;
36 static unsigned lock_base = 0;
37 static unsigned min_length = 0;
38 static BOOL exact_error_codes;
39 static BOOL zero_zero;
40
41 #define FILENAME "\\locktest.dat"
42
43 #define READ_PCT 50
44 #define LOCK_PCT 45
45 #define UNLOCK_PCT 70
46 #define RANGE_MULTIPLE 1
47 #define NSERVERS 2
48 #define NCONNECTIONS 2
49 #define NFILES 2
50 #define LOCK_TIMEOUT 0
51
52 #define NASTY_POSIX_LOCK_HACK 0
53
54 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
55
56 struct record {
57 enum lock_op lock_op;
58 enum brl_type lock_type;
59 char conn, f;
60 SMB_BIG_UINT start, len;
61 char needed;
62 };
63
64 #define PRESETS 0
65
66 #if PRESETS
67 static struct record preset[] = {
68 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
69 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
70 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
71 {OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
72 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
73
74 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
75 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
76 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
77 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
78
79 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
80 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
81 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
82 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
83
84 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
85 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
86 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
87 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
88
89 {OP_LOCK, WRITE_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, WRITE_LOCK, 0, 0, 2, 0, 1},
95 {OP_LOCK, READ_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 };
100 #endif
101
102 static struct record *recorded;
103
104 static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, int pid,
105 enum brl_type lock_type,
106 br_off start, br_off size)
107 {
108 #if NASTY_POSIX_LOCK_HACK
109 {
110 pstring cmd;
111 static SMB_INO_T lastino;
112
113 if (lastino != ino) {
114 slprintf(cmd, sizeof(cmd),
115 "egrep POSIX.*%u /proc/locks", (int)ino);
116 system(cmd);
117 }
118 lastino = ino;
119 }
120 #endif
121
122 printf("%6d %05x:%05x %s %.0f:%.0f(%.0f)\n",
123 (int)pid, (int)dev, (int)ino,
124 lock_type==READ_LOCK?"R":"W",
125 (double)start, (double)start+size-1,(double)size);
126
127 }
128
129
130 static void show_locks(void)
131 {
132 brl_forall(print_brl);
133 /* system("cat /proc/locks"); */
134 }
135
136
137 /*****************************************************
138 return a connection to a server
139 *******************************************************/
140 static struct cli_state *connect_one(char *share, int snum)
141 {
142 struct cli_state *c;
143 struct nmb_name called, calling;
144 char *server_n;
145 fstring server;
146 struct in_addr ip;
147 fstring myname;
148 static int count;
149
150 fstrcpy(server,share+2);
151 share = strchr_m(server,'\\');
152 if (!share) return NULL;
153 *share = 0;
154 share++;
155
156 server_n = server;
157
158 zero_ip(&ip);
159
160 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
161
162 make_nmb_name(&calling, myname, 0x0);
163 make_nmb_name(&called , server, 0x20);
164
165 again:
166 zero_ip(&ip);
167
168 /* have to open a new connection */
169 if (!(c=cli_initialise(NULL)) || !cli_connect(c, server_n, &ip)) {
170 DEBUG(0,("Connection to %s failed\n", server_n));
171 return NULL;
172 }
173
174 c->use_kerberos = use_kerberos;
175
176 if (!cli_session_request(c, &calling, &called)) {
177 DEBUG(0,("session request to %s failed\n", called.name));
178 cli_shutdown(c);
179 if (strcmp(called.name, "*SMBSERVER")) {
180 make_nmb_name(&called , "*SMBSERVER", 0x20);
181 goto again;
182 }
183 return NULL;
184 }
185
186 DEBUG(4,(" session request ok\n"));
187
188 if (!cli_negprot(c)) {
189 DEBUG(0,("protocol negotiation failed\n"));
190 cli_shutdown(c);
191 return NULL;
192 }
193
194 if (!got_pass) {
195 char *pass = getpass("Password: ");
196 if (pass) {
197 fstrcpy(password[0], pass);
198 fstrcpy(password[1], pass);
199 }
200 }
201
202 if (got_pass == 1) {
203 fstrcpy(password[1], password[0]);
204 fstrcpy(username[1], username[0]);
205 }
206
207 if (!cli_session_setup(c, username[snum],
208 password[snum], strlen(password[snum]),
209 password[snum], strlen(password[snum]),
210 lp_workgroup())) {
211 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
212 return NULL;
213 }
214
215 /*
216 * These next two lines are needed to emulate
217 * old client behaviour for people who have
218 * scripts based on client output.
219 * QUESTION ? Do we want to have a 'client compatibility
220 * mode to turn these on/off ? JRA.
221 */
222
223 if (*c->server_domain || *c->server_os || *c->server_type)
224 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
225 c->server_domain,c->server_os,c->server_type));
226
227 DEBUG(4,(" session setup ok\n"));
228
229 if (!cli_send_tconX(c, share, "?????",
230 password[snum], strlen(password[snum])+1)) {
231 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
232 cli_shutdown(c);
233 return NULL;
234 }
235
236 DEBUG(4,(" tconx ok\n"));
237
238 c->use_oplocks = use_oplocks;
239
240 return c;
241 }
242
243
244 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
245 char *share[NSERVERS])
246 {
247 int server, conn, f;
248
249 for (server=0;server<NSERVERS;server++)
250 for (conn=0;conn<NCONNECTIONS;conn++) {
251 if (cli[server][conn]) {
252 for (f=0;f<NFILES;f++) {
253 if (fnum[server][conn][f] != -1) {
254 cli_close(cli[server][conn], fnum[server][conn][f]);
255 fnum[server][conn][f] = -1;
256 }
257 }
258 cli_ulogoff(cli[server][conn]);
259 cli_shutdown(cli[server][conn]);
260 }
261 cli[server][conn] = connect_one(share[server], server);
262 if (!cli[server][conn]) {
263 DEBUG(0,("Failed to connect to %s\n", share[server]));
264 exit(1);
265 }
266 }
267 }
268
269
270
271 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
272 int fnum[NSERVERS][NCONNECTIONS][NFILES],
273 struct record *rec)
274 {
275 unsigned conn = rec->conn;
276 unsigned f = rec->f;
277 SMB_BIG_UINT start = rec->start;
278 SMB_BIG_UINT len = rec->len;
279 enum brl_type op = rec->lock_type;
280 int server;
281 BOOL ret[NSERVERS];
282 NTSTATUS status[NSERVERS];
283
284 switch (rec->lock_op) {
285 case OP_LOCK:
286 /* set a lock */
287 for (server=0;server<NSERVERS;server++) {
288 ret[server] = cli_lock64(cli[server][conn],
289 fnum[server][conn][f],
290 start, len, LOCK_TIMEOUT, op);
291 status[server] = cli_nt_error(cli[server][conn]);
292 if (!exact_error_codes &&
293 NT_STATUS_EQUAL(status[server],
294 NT_STATUS_FILE_LOCK_CONFLICT)) {
295 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
296 }
297 }
298 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
299 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
300 conn, f,
301 (double)start, (double)len,
302 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
303 nt_errstr(status[0]), nt_errstr(status[1]));
304 }
305 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
306 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
307 break;
308
309 case OP_UNLOCK:
310 /* unset a lock */
311 for (server=0;server<NSERVERS;server++) {
312 ret[server] = cli_unlock64(cli[server][conn],
313 fnum[server][conn][f],
314 start, len);
315 status[server] = cli_nt_error(cli[server][conn]);
316 }
317 if (showall ||
318 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
319 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
320 conn, f,
321 (double)start, (double)len,
322 nt_errstr(status[0]), nt_errstr(status[1]));
323 }
324 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
325 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
326 return False;
327 break;
328
329 case OP_REOPEN:
330 /* reopen the file */
331 for (server=0;server<NSERVERS;server++) {
332 cli_close(cli[server][conn], fnum[server][conn][f]);
333 fnum[server][conn][f] = -1;
334 }
335 for (server=0;server<NSERVERS;server++) {
336 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
337 O_RDWR|O_CREAT,
338 DENY_NONE);
339 if (fnum[server][conn][f] == -1) {
340 printf("failed to reopen on share%d\n", server);
341 return False;
342 }
343 }
344 if (showall) {
345 printf("reopen conn=%u f=%u\n",
346 conn, f);
347 show_locks();
348 }
349 break;
350 }
351
352 return True;
353 }
354
355 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
356 int fnum[NSERVERS][NCONNECTIONS][NFILES])
357 {
358 int server, conn, f;
359
360 for (server=0;server<NSERVERS;server++)
361 for (conn=0;conn<NCONNECTIONS;conn++)
362 for (f=0;f<NFILES;f++) {
363 if (fnum[server][conn][f] != -1) {
364 cli_close(cli[server][conn], fnum[server][conn][f]);
365 fnum[server][conn][f] = -1;
366 }
367 }
368 for (server=0;server<NSERVERS;server++) {
369 cli_unlink(cli[server][0], FILENAME);
370 }
371 }
372
373 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
374 int fnum[NSERVERS][NCONNECTIONS][NFILES])
375 {
376 int server, conn, f;
377
378 for (server=0;server<NSERVERS;server++)
379 for (conn=0;conn<NCONNECTIONS;conn++)
380 for (f=0;f<NFILES;f++) {
381 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
382 O_RDWR|O_CREAT,
383 DENY_NONE);
384 if (fnum[server][conn][f] == -1) {
385 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
386 server, conn, f);
387 exit(1);
388 }
389 }
390 }
391
392
393 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
394 int fnum[NSERVERS][NCONNECTIONS][NFILES],
395 int n)
396 {
397 int i;
398 printf("testing %u ...\n", n);
399 for (i=0; i<n; i++) {
400 if (i && i % 100 == 0) {
401 printf("%u\n", i);
402 }
403
404 if (recorded[i].needed &&
405 !test_one(cli, fnum, &recorded[i])) return i;
406 }
407 return n;
408 }
409
410
411 /* each server has two connections open to it. Each connection has two file
412 descriptors open on the file - 8 file descriptors in total
413
414 we then do random locking ops in tamdem on the 4 fnums from each
415 server and ensure that the results match
416 */
417 static void test_locks(char *share[NSERVERS])
418 {
419 struct cli_state *cli[NSERVERS][NCONNECTIONS];
420 int fnum[NSERVERS][NCONNECTIONS][NFILES];
421 int n, i, n1, skip, r1, r2;
422
423 ZERO_STRUCT(fnum);
424 ZERO_STRUCT(cli);
425
426 recorded = SMB_MALLOC_ARRAY(struct record, numops);
427
428 for (n=0; n<numops; n++) {
429 #if PRESETS
430 if (n < sizeof(preset) / sizeof(preset[0])) {
431 recorded[n] = preset[n];
432 } else {
433 #endif
434 recorded[n].conn = random() % NCONNECTIONS;
435 recorded[n].f = random() % NFILES;
436 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
437 recorded[n].len = min_length +
438 random() % (lock_range-(recorded[n].start-lock_base));
439 recorded[n].start *= RANGE_MULTIPLE;
440 recorded[n].len *= RANGE_MULTIPLE;
441 r1 = random() % 100;
442 r2 = random() % 100;
443 if (r1 < READ_PCT) {
444 recorded[n].lock_type = READ_LOCK;
445 } else {
446 recorded[n].lock_type = WRITE_LOCK;
447 }
448 if (r2 < LOCK_PCT) {
449 recorded[n].lock_op = OP_LOCK;
450 } else if (r2 < UNLOCK_PCT) {
451 recorded[n].lock_op = OP_UNLOCK;
452 } else {
453 recorded[n].lock_op = OP_REOPEN;
454 }
455 recorded[n].needed = True;
456 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
457 recorded[n].len = 1;
458 }
459 #if PRESETS
460 }
461 #endif
462 }
463
464 reconnect(cli, fnum, share);
465 open_files(cli, fnum);
466 n = retest(cli, fnum, numops);
467
468 if (n == numops || !analyze) return;
469 n++;
470
471 skip = n/2;
472
473 while (1) {
474 n1 = n;
475
476 close_files(cli, fnum);
477 reconnect(cli, fnum, share);
478 open_files(cli, fnum);
479
480 for (i=0;i<n-skip;i+=skip) {
481 int m, j;
482 printf("excluding %d-%d\n", i, i+skip-1);
483 for (j=i;j<i+skip;j++) {
484 recorded[j].needed = False;
485 }
486
487 close_files(cli, fnum);
488 open_files(cli, fnum);
489
490 m = retest(cli, fnum, n);
491 if (m == n) {
492 for (j=i;j<i+skip;j++) {
493 recorded[j].needed = True;
494 }
495 } else {
496 if (i+(skip-1) < m) {
497 memmove(&recorded[i], &recorded[i+skip],
498 (m-(i+skip-1))*sizeof(recorded[0]));
499 }
500 n = m-(skip-1);
501 i--;
502 }
503 }
504
505 if (skip > 1) {
506 skip = skip/2;
507 printf("skip=%d\n", skip);
508 continue;
509 }
510
511 if (n1 == n) break;
512 }
513
514 close_files(cli, fnum);
515 reconnect(cli, fnum, share);
516 open_files(cli, fnum);
517 showall = True;
518 n1 = retest(cli, fnum, n);
519 if (n1 != n-1) {
520 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
521 }
522 close_files(cli, fnum);
523
524 for (i=0;i<n;i++) {
525 printf("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
526 recorded[i].lock_op,
527 recorded[i].lock_type,
528 recorded[i].conn,
529 recorded[i].f,
530 (double)recorded[i].start,
531 (double)recorded[i].len,
532 recorded[i].needed);
533 }
534 }
535
536
537
538 static void usage(void)
539 {
540 printf(
541 "Usage:\n\
542 locktest //server1/share1 //server2/share2 [options..]\n\
543 options:\n\
544 -U user%%pass (may be specified twice)\n\
545 -k use kerberos\n\
546 -s seed\n\
547 -o numops\n\
548 -u hide unlock fails\n\
549 -a (show all ops)\n\
550 -A analyse for minimal ops\n\
551 -O use oplocks\n\
552 -E enable exact error code checking\n\
553 -Z enable the zero/zero lock\n\
554 -R range set lock range\n\
555 -B base set lock base\n\
556 -M min set min lock length\n\
557 ");
558 }
559
560 /****************************************************************************
561 main program
562 ****************************************************************************/
563 int main(int argc,char *argv[])
564 {
565 char *share[NSERVERS];
566 extern char *optarg;
567 extern int optind;
568 int opt;
569 char *p;
570 int seed, server;
571
572 setlinebuf(stdout);
573
574 dbf = x_stderr;
575
576 if (argc < 3 || argv[1][0] == '-') {
577 usage();
578 exit(1);
579 }
580
581 setup_logging(argv[0],True);
582
583 for (server=0;server<NSERVERS;server++) {
584 share[server] = argv[1+server];
585 all_string_sub(share[server],"/","\\",0);
586 }
587
588 argc -= NSERVERS;
589 argv += NSERVERS;
590
591 lp_load(dyn_CONFIGFILE,True,False,False);
592 load_interfaces();
593
594 if (getenv("USER")) {
595 fstrcpy(username[0],getenv("USER"));
596 fstrcpy(username[1],getenv("USER"));
597 }
598
599 seed = time(NULL);
600
601 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
602 switch (opt) {
603 case 'k':
604 #ifdef HAVE_KRB5
605 use_kerberos = True;
606 #else
607 d_printf("No kerberos support compiled in\n");
608 exit(1);
609 #endif
610 break;
611 case 'U':
612 got_user = 1;
613 if (got_pass == 2) {
614 d_printf("Max of 2 usernames\n");
615 exit(1);
616 }
617 fstrcpy(username[got_pass],optarg);
618 p = strchr_m(username[got_pass],'%');
619 if (p) {
620 *p = 0;
621 fstrcpy(password[got_pass], p+1);
622 got_pass++;
623 }
624 break;
625 case 'R':
626 lock_range = strtol(optarg, NULL, 0);
627 break;
628 case 'B':
629 lock_base = strtol(optarg, NULL, 0);
630 break;
631 case 'M':
632 min_length = strtol(optarg, NULL, 0);
633 break;
634 case 's':
635 seed = atoi(optarg);
636 break;
637 case 'u':
638 hide_unlock_fails = True;
639 break;
640 case 'o':
641 numops = atoi(optarg);
642 break;
643 case 'O':
644 use_oplocks = True;
645 break;
646 case 'a':
647 showall = True;
648 break;
649 case 'A':
650 analyze = True;
651 break;
652 case 'Z':
653 zero_zero = True;
654 break;
655 case 'E':
656 exact_error_codes = True;
657 break;
658 case 'h':
659 usage();
660 exit(1);
661 default:
662 printf("Unknown option %c (%d)\n", (char)opt, opt);
663 exit(1);
664 }
665 }
666
667 if(use_kerberos && !got_user) got_pass = True;
668
669 argc -= optind;
670 argv += optind;
671
672 DEBUG(0,("seed=%u\n", seed));
673 srandom(seed);
674
675 test_locks(share);
676
677 return(0);
678 }
WIP