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tevent: rewrite/simplify tevent_poll and maintain ev->fd_events correctly
[Samba.git] / source4 / torture / locktest.c
blob704755464ed016fe15119eef7dd35190ef7f6ecb
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 "lib/cmdline/popt_common.h"
22 #include "lib/events/events.h"
23 #include "system/filesys.h"
24 #include "system/time.h"
25 #include "auth/credentials/credentials.h"
26 #include "auth/gensec/gensec.h"
27 #include "libcli/libcli.h"
28 #include "param/param.h"
29 #include "libcli/resolve/resolve.h"
30
31 static int numops = 1000;
32 static int showall;
33 static int analyze;
34 static int hide_unlock_fails;
35 static int use_oplocks;
36 static unsigned int lock_range = 100;
37 static unsigned int lock_base = 0;
38 static unsigned int min_length = 0;
39 static int exact_error_codes;
40 static int zero_zero;
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 static struct cli_credentials *servers[NSERVERS];
54
55 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
56
57 struct record {
58 enum lock_op lock_op;
59 enum brl_type lock_type;
60 char conn, f;
61 uint64_t start, len;
62 char needed;
63 uint16_t pid;
64 };
65
66 #define PRESETS 0
67
68 #if PRESETS
69 static struct record preset[] = {
70 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
71 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
72 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
73 {OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
74 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
75
76 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
77 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
78 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
79 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
80
81 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
82 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
83 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
84 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
85
86 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
87 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
88 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
89 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
90
91 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
92 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
93 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
94 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
95
96 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
97 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
98 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
99 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
100
101 };
102 #endif
103
104 static struct record *recorded;
105
106 /*****************************************************
107 return a connection to a server
108 *******************************************************/
109 static struct smbcli_state *connect_one(struct tevent_context *ev,
110 struct loadparm_context *lp_ctx,
111 TALLOC_CTX *mem_ctx,
112 char *share, int snum, int conn)
113 {
114 struct smbcli_state *c;
115 char *server, *myname;
116 NTSTATUS status;
117 int retries = 10;
118 struct smbcli_options options;
119 struct smbcli_session_options session_options;
120
121 lpcfg_smbcli_options(lp_ctx, &options);
122 lpcfg_smbcli_session_options(lp_ctx, &session_options);
123
124 printf("connect_one(%s, %d, %d)\n", share, snum, conn);
125
126 server = talloc_strdup(mem_ctx, share+2);
127 share = strchr_m(server,'\\');
128 if (!share) return NULL;
129 *share = 0;
130 share++;
131
132 if (snum == 0) {
133 char **unc_list = NULL;
134 int num_unc_names;
135 const char *p;
136 p = lpcfg_parm_string(lp_ctx, NULL, "torture", "unclist");
137 if (p) {
138 char *h, *s;
139 unc_list = file_lines_load(p, &num_unc_names, 0, NULL);
140 if (!unc_list || num_unc_names <= 0) {
141 printf("Failed to load unc names list from '%s'\n", p);
142 exit(1);
143 }
144
145 if (!smbcli_parse_unc(unc_list[conn % num_unc_names],
146 NULL, &h, &s)) {
147 printf("Failed to parse UNC name %s\n",
148 unc_list[conn % num_unc_names]);
149 exit(1);
150 }
151 server = talloc_strdup(mem_ctx, h);
152 share = talloc_strdup(mem_ctx, s);
153 }
154 }
155
156
157 myname = talloc_asprintf(mem_ctx, "lock-%d-%d", (int) getpid(), snum);
158 cli_credentials_set_workstation(servers[snum], myname, CRED_SPECIFIED);
159
160 do {
161 printf("\\\\%s\\%s\n", server, share);
162 status = smbcli_full_connection(NULL, &c,
163 server,
164 lpcfg_smb_ports(lp_ctx),
165 share, NULL,
166 lpcfg_socket_options(lp_ctx),
167 servers[snum],
168 lpcfg_resolve_context(lp_ctx),
169 ev, &options, &session_options,
170 lpcfg_gensec_settings(mem_ctx, lp_ctx));
171 if (!NT_STATUS_IS_OK(status)) {
172 sleep(2);
173 }
174 } while (!NT_STATUS_IS_OK(status) && retries--);
175
176 if (!NT_STATUS_IS_OK(status)) {
177 return NULL;
178 }
179
180 return c;
181 }
182
183
184 static void reconnect(struct tevent_context *ev,
185 struct loadparm_context *lp_ctx,
186 TALLOC_CTX *mem_ctx,
187 struct smbcli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
188 char *share[NSERVERS])
189 {
190 int server, conn, f;
191
192 for (server=0;server<NSERVERS;server++)
193 for (conn=0;conn<NCONNECTIONS;conn++) {
194 if (cli[server][conn]) {
195 for (f=0;f<NFILES;f++) {
196 if (fnum[server][conn][f] != -1) {
197 smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
198 fnum[server][conn][f] = -1;
199 }
200 }
201 talloc_free(cli[server][conn]);
202 }
203 cli[server][conn] = connect_one(ev, lp_ctx, mem_ctx, share[server],
204 server, conn);
205 if (!cli[server][conn]) {
206 DEBUG(0,("Failed to connect to %s\n", share[server]));
207 exit(1);
208 }
209 }
210 }
211
212
213
214 static bool test_one(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
215 int fnum[NSERVERS][NCONNECTIONS][NFILES],
216 struct record *rec)
217 {
218 unsigned int conn = rec->conn;
219 unsigned int f = rec->f;
220 uint64_t start = rec->start;
221 uint64_t len = rec->len;
222 enum brl_type op = rec->lock_type;
223 int server;
224 /* bool ret[NSERVERS]; */
225 NTSTATUS status[NSERVERS];
226
227 switch (rec->lock_op) {
228 case OP_LOCK:
229 /* set a lock */
230 for (server=0;server<NSERVERS;server++) {
231 NTSTATUS res;
232 struct smbcli_tree *tree=cli[server][conn]->tree;
233 int fn=fnum[server][conn][f];
234
235 if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
236 res=smbcli_lock(tree, fn, start, len, LOCK_TIMEOUT, (enum brl_type) rec->lock_op);
237 } else {
238 union smb_lock parms;
239 int ltype;
240 struct smb_lock_entry lock[1];
241
242 parms.lockx.level = RAW_LOCK_LOCKX;
243 parms.lockx.in.file.fnum = fn;
244
245 ltype = (rec->lock_type == READ_LOCK? 1 : 0);
246 ltype |= LOCKING_ANDX_LARGE_FILES;
247 parms.lockx.in.mode = ltype;
248 parms.lockx.in.timeout = LOCK_TIMEOUT;
249 parms.lockx.in.ulock_cnt = 0;
250 parms.lockx.in.lock_cnt = 1;
251 lock[0].pid = rec->pid;
252 lock[0].offset = start;
253 lock[0].count = len;
254 parms.lockx.in.locks = &lock[0];
255
256 res = smb_raw_lock(tree, &parms);
257 }
258
259 /* ret[server] = NT_STATUS_IS_OK(res); */
260 status[server] = res;
261 if (!exact_error_codes &&
262 NT_STATUS_EQUAL(status[server],
263 NT_STATUS_FILE_LOCK_CONFLICT)) {
264 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
265 }
266 }
267 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
268 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
269 conn, f,
270 (double)start, (double)len,
271 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
272 nt_errstr(status[0]), nt_errstr(status[1]));
273 }
274 if (!NT_STATUS_EQUAL(status[0],status[1])) return false;
275 break;
276
277 case OP_UNLOCK:
278 /* unset a lock */
279 for (server=0;server<NSERVERS;server++) {
280 NTSTATUS res;
281 struct smbcli_tree *tree=cli[server][conn]->tree;
282 int fn=fnum[server][conn][f];
283
284
285 if (!(tree->session->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
286 res=smbcli_unlock(tree, fn, start, len);
287 } else {
288 union smb_lock parms;
289 struct smb_lock_entry lock[1];
290
291 parms.lockx.level = RAW_LOCK_LOCKX;
292 parms.lockx.in.file.fnum = fn;
293 parms.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
294 parms.lockx.in.timeout = 0;
295 parms.lockx.in.ulock_cnt = 1;
296 parms.lockx.in.lock_cnt = 0;
297 lock[0].pid = rec->pid;
298 lock[0].count = len;
299 lock[0].offset = start;
300 parms.lockx.in.locks = &lock[0];
301
302 res = smb_raw_lock(tree, &parms);
303 }
304
305 /* ret[server] = NT_STATUS_IS_OK(res); */
306 status[server] = res;
307 }
308 if (showall ||
309 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
310 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
311 conn, f,
312 (double)start, (double)len,
313 nt_errstr(status[0]), nt_errstr(status[1]));
314 }
315 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
316 return false;
317 break;
318
319 case OP_REOPEN:
320 /* reopen the file */
321 for (server=0;server<NSERVERS;server++) {
322 smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
323 fnum[server][conn][f] = -1;
324 }
325 for (server=0;server<NSERVERS;server++) {
326 fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
327 O_RDWR|O_CREAT,
328 DENY_NONE);
329 if (fnum[server][conn][f] == -1) {
330 printf("failed to reopen on share%d\n", server);
331 return false;
332 }
333 }
334 if (showall) {
335 printf("reopen conn=%u f=%u\n",
336 conn, f);
337 }
338 break;
339 }
340
341 return true;
342 }
343
344 static void close_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
345 int fnum[NSERVERS][NCONNECTIONS][NFILES])
346 {
347 int server, conn, f;
348
349 for (server=0;server<NSERVERS;server++)
350 for (conn=0;conn<NCONNECTIONS;conn++)
351 for (f=0;f<NFILES;f++) {
352 if (fnum[server][conn][f] != -1) {
353 smbcli_close(cli[server][conn]->tree, fnum[server][conn][f]);
354 fnum[server][conn][f] = -1;
355 }
356 }
357 for (server=0;server<NSERVERS;server++) {
358 smbcli_unlink(cli[server][0]->tree, FILENAME);
359 }
360 }
361
362 static void open_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
363 int fnum[NSERVERS][NCONNECTIONS][NFILES])
364 {
365 int server, conn, f;
366
367 for (server=0;server<NSERVERS;server++)
368 for (conn=0;conn<NCONNECTIONS;conn++)
369 for (f=0;f<NFILES;f++) {
370 fnum[server][conn][f] = smbcli_open(cli[server][conn]->tree, FILENAME,
371 O_RDWR|O_CREAT,
372 DENY_NONE);
373 if (fnum[server][conn][f] == -1) {
374 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
375 server, conn, f);
376 exit(1);
377 }
378 }
379 }
380
381
382 static int retest(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
383 int fnum[NSERVERS][NCONNECTIONS][NFILES],
384 int n)
385 {
386 int i;
387 printf("Testing %u ...\n", n);
388 for (i=0; i<n; i++) {
389 if (i && i % 100 == 0) {
390 printf("%u\n", i);
391 }
392
393 if (recorded[i].needed &&
394 !test_one(cli, fnum, &recorded[i])) return i;
395 }
396 return n;
397 }
398
399
400 /* each server has two connections open to it. Each connection has two file
401 descriptors open on the file - 8 file descriptors in total
402
403 we then do random locking ops in tamdem on the 4 fnums from each
404 server and ensure that the results match
405 */
406 static int test_locks(struct tevent_context *ev,
407 struct loadparm_context *lp_ctx,
408 TALLOC_CTX *mem_ctx,
409 char *share[NSERVERS])
410 {
411 struct smbcli_state *cli[NSERVERS][NCONNECTIONS];
412 int fnum[NSERVERS][NCONNECTIONS][NFILES];
413 int n, i, n1, skip, r1, r2;
414
415 ZERO_STRUCT(fnum);
416 ZERO_STRUCT(cli);
417
418 recorded = malloc_array_p(struct record, numops);
419
420 for (n=0; n<numops; n++) {
421 #if PRESETS
422 if (n < sizeof(preset) / sizeof(preset[0])) {
423 recorded[n] = preset[n];
424 } else {
425 #endif
426 recorded[n].conn = random() % NCONNECTIONS;
427 recorded[n].f = random() % NFILES;
428 recorded[n].start = lock_base + ((unsigned int)random() % (lock_range-1));
429 recorded[n].len = min_length +
430 random() % (lock_range-(recorded[n].start-lock_base));
431 recorded[n].start *= RANGE_MULTIPLE;
432 recorded[n].len *= RANGE_MULTIPLE;
433 recorded[n].pid = random()%3;
434 if (recorded[n].pid == 2) {
435 recorded[n].pid = 0xFFFF; /* see if its magic */
436 }
437 r1 = random() % 100;
438 r2 = random() % 100;
439 if (r1 < READ_PCT) {
440 recorded[n].lock_type = READ_LOCK;
441 } else {
442 recorded[n].lock_type = WRITE_LOCK;
443 }
444 if (r2 < LOCK_PCT) {
445 recorded[n].lock_op = OP_LOCK;
446 } else if (r2 < UNLOCK_PCT) {
447 recorded[n].lock_op = OP_UNLOCK;
448 } else {
449 recorded[n].lock_op = OP_REOPEN;
450 }
451 recorded[n].needed = true;
452 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
453 recorded[n].len = 1;
454 }
455 #if PRESETS
456 }
457 #endif
458 }
459
460 reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
461 open_files(cli, fnum);
462 n = retest(cli, fnum, numops);
463
464 if (n == numops || !analyze) {
465 if (n != numops) {
466 return 1;
467 }
468 return 0;
469 }
470 n++;
471
472 skip = n/2;
473
474 while (1) {
475 n1 = n;
476
477 close_files(cli, fnum);
478 reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
479 open_files(cli, fnum);
480
481 for (i=0;i<n-skip;i+=skip) {
482 int m, j;
483 printf("excluding %d-%d\n", i, i+skip-1);
484 for (j=i;j<i+skip;j++) {
485 recorded[j].needed = false;
486 }
487
488 close_files(cli, fnum);
489 open_files(cli, fnum);
490
491 m = retest(cli, fnum, n);
492 if (m == n) {
493 for (j=i;j<i+skip;j++) {
494 recorded[j].needed = true;
495 }
496 } else {
497 if (i+(skip-1) < m) {
498 memmove(&recorded[i], &recorded[i+skip],
499 (m-(i+skip-1))*sizeof(recorded[0]));
500 }
501 n = m-(skip-1);
502 i--;
503 }
504 }
505
506 if (skip > 1) {
507 skip = skip/2;
508 printf("skip=%d\n", skip);
509 continue;
510 }
511
512 if (n1 == n) break;
513 }
514
515 close_files(cli, fnum);
516 reconnect(ev, lp_ctx, mem_ctx, cli, fnum, share);
517 open_files(cli, fnum);
518 showall = true;
519 n1 = retest(cli, fnum, n);
520 if (n1 != n-1) {
521 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
522 }
523 close_files(cli, fnum);
524
525 for (i=0;i<n;i++) {
526 printf("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
527 recorded[i].lock_op,
528 recorded[i].lock_type,
529 recorded[i].conn,
530 recorded[i].f,
531 (double)recorded[i].start,
532 (double)recorded[i].len,
533 recorded[i].needed);
534 }
535
536 return 1;
537 }
538
539
540
541 static void usage(poptContext pc)
542 {
543 printf("Usage:\n\tlocktest //server1/share1 //server2/share2 [options..]\n");
544 poptPrintUsage(pc, stdout, 0);
545 }
546
547 /****************************************************************************
548 main program
549 ****************************************************************************/
550 int main(int argc, const char *argv[])
551 {
552 char *share[NSERVERS];
553 int opt;
554 int seed, server;
555 int username_count=0;
556 struct tevent_context *ev;
557 struct loadparm_context *lp_ctx;
558 poptContext pc;
559 int argc_new, i;
560 char **argv_new;
561 enum {OPT_UNCLIST=1000};
562 struct poptOption long_options[] = {
563 POPT_AUTOHELP
564 {"seed", 0, POPT_ARG_INT, &seed, 0, "Seed to use for randomizer", NULL},
565 {"num-ops", 0, POPT_ARG_INT, &numops, 0, "num ops", NULL},
566 {"lockrange", 0, POPT_ARG_INT, &lock_range,0, "locking range", NULL},
567 {"lockbase", 0, POPT_ARG_INT, &lock_base, 0, "locking base", NULL},
568 {"minlength", 0, POPT_ARG_INT, &min_length,0, "min lock length", NULL},
569 {"hidefails", 0, POPT_ARG_NONE, &hide_unlock_fails,0,"hide unlock fails", NULL},
570 {"oplocks", 0, POPT_ARG_NONE, &use_oplocks,0, "use oplocks", NULL},
571 {"showall", 0, POPT_ARG_NONE, &showall, 0, "display all operations", NULL},
572 {"analyse", 0, POPT_ARG_NONE, &analyze, 0, "do backtrack analysis", NULL},
573 {"zerozero", 0, POPT_ARG_NONE, &zero_zero, 0, "do zero/zero lock", NULL},
574 {"exacterrors", 0, POPT_ARG_NONE, &exact_error_codes,0,"use exact error codes", NULL},
575 {"unclist", 0, POPT_ARG_STRING, NULL, OPT_UNCLIST, "unclist", NULL},
576 { "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
577 POPT_COMMON_SAMBA
578 POPT_COMMON_CONNECTION
579 POPT_COMMON_CREDENTIALS
580 POPT_COMMON_VERSION
581 { NULL }
582 };
583 TALLOC_CTX *mem_ctx = NULL;
584 int ret = -1;
585
586 setlinebuf(stdout);
587 seed = time(NULL);
588
589 mem_ctx = talloc_named_const(NULL, 0, "locktest_ctx");
590 if (mem_ctx == NULL) {
591 printf("Unable to allocate locktest_ctx\n");
592 exit(1);
593 }
594
595 pc = poptGetContext("locktest", argc, argv, long_options,
596 POPT_CONTEXT_KEEP_FIRST);
597
598 poptSetOtherOptionHelp(pc, "<unc1> <unc2>");
599
600 lp_ctx = cmdline_lp_ctx;
601 servers[0] = cli_credentials_init(mem_ctx);
602 servers[1] = cli_credentials_init(mem_ctx);
603 cli_credentials_guess(servers[0], lp_ctx);
604 cli_credentials_guess(servers[1], lp_ctx);
605
606 while((opt = poptGetNextOpt(pc)) != -1) {
607 switch (opt) {
608 case OPT_UNCLIST:
609 lpcfg_set_cmdline(cmdline_lp_ctx, "torture:unclist", poptGetOptArg(pc));
610 break;
611 case 'U':
612 if (username_count == 2) {
613 usage(pc);
614 talloc_free(mem_ctx);
615 exit(1);
616 }
617 cli_credentials_parse_string(servers[username_count], poptGetOptArg(pc), CRED_SPECIFIED);
618 username_count++;
619 break;
620 }
621 }
622
623 argv_new = discard_const_p(char *, poptGetArgs(pc));
624 argc_new = argc;
625 for (i=0; i<argc; i++) {
626 if (argv_new[i] == NULL) {
627 argc_new = i;
628 break;
629 }
630 }
631
632 if (!(argc_new >= 3)) {
633 usage(pc);
634 exit(1);
635 }
636
637 setup_logging("locktest", DEBUG_STDOUT);
638
639 for (server=0;server<NSERVERS;server++) {
640 share[server] = argv_new[1+server];
641 all_string_sub(share[server],"/","\\",0);
642 }
643
644 lp_ctx = cmdline_lp_ctx;
645
646 if (username_count == 0) {
647 usage(pc);
648 return -1;
649 }
650 if (username_count == 1) {
651 servers[1] = servers[0];
652 }
653
654 ev = s4_event_context_init(mem_ctx);
655
656 gensec_init();
657
658 DEBUG(0,("seed=%u base=%d range=%d min_length=%d\n",
659 seed, lock_base, lock_range, min_length));
660 srandom(seed);
661
662 ret = test_locks(ev, lp_ctx, NULL, share);
663 talloc_free(mem_ctx);
664 return ret;
665 }
666
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