2 Unix SMB/CIFS implementation.
3 randomised byte range lock tester
4 Copyright (C) Andrew Tridgell 1999
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.
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.
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.
25 static fstring password[2];
26 static fstring username[2];
28 static BOOL use_kerberos;
29 static int numops = 1000;
32 static BOOL hide_unlock_fails;
33 static BOOL use_oplocks;
34 static unsigned lock_range = 100;
35 static unsigned lock_base = 0;
36 static unsigned min_length = 0;
37 static BOOL exact_error_codes;
38 static BOOL zero_zero;
40 #define FILENAME "\\locktest.dat"
45 #define RANGE_MULTIPLE 1
47 #define NCONNECTIONS 2
49 #define LOCK_TIMEOUT 0
51 #define NASTY_POSIX_LOCK_HACK 0
53 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
57 enum brl_type lock_type;
59 SMB_BIG_UINT start, len;
66 static struct record preset[] = {
67 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
68 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
69 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
70 {OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
71 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
73 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
74 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
75 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
76 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
78 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
79 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
80 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
81 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
83 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
84 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
85 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
86 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
88 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
89 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
90 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
91 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
93 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
94 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
95 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
96 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
101 static struct record *recorded;
103 static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, int pid,
104 enum brl_type lock_type,
105 br_off start, br_off size)
107 #if NASTY_POSIX_LOCK_HACK
110 static SMB_INO_T lastino;
112 if (lastino != ino) {
113 slprintf(cmd, sizeof(cmd),
114 "egrep POSIX.*%u /proc/locks", (int)ino);
121 printf("%6d %05x:%05x %s %.0f:%.0f(%.0f)\n",
122 (int)pid, (int)dev, (int)ino,
123 lock_type==READ_LOCK?"R":"W",
124 (double)start, (double)start+size-1,(double)size);
129 static void show_locks(void)
131 brl_forall(print_brl);
132 /* system("cat /proc/locks"); */
136 /*****************************************************
137 return a connection to a server
138 *******************************************************/
139 static struct cli_state *connect_one(char *share, int snum)
142 struct nmb_name called, calling;
149 fstrcpy(server,share+2);
150 share = strchr_m(server,'\\');
151 if (!share) return NULL;
159 slprintf(myname,sizeof(myname), "lock-%u-%u", getpid(), count++);
161 make_nmb_name(&calling, myname, 0x0);
162 make_nmb_name(&called , server, 0x20);
167 /* have to open a new connection */
168 if (!(c=cli_initialise(NULL)) || !cli_connect(c, server_n, &ip)) {
169 DEBUG(0,("Connection to %s failed\n", server_n));
173 c->use_kerberos = use_kerberos;
175 if (!cli_session_request(c, &calling, &called)) {
176 DEBUG(0,("session request to %s failed\n", called.name));
178 if (strcmp(called.name, "*SMBSERVER")) {
179 make_nmb_name(&called , "*SMBSERVER", 0x20);
185 DEBUG(4,(" session request ok\n"));
187 if (!cli_negprot(c)) {
188 DEBUG(0,("protocol negotiation failed\n"));
194 char *pass = getpass("Password: ");
196 pstrcpy(password[0], pass);
197 pstrcpy(password[1], pass);
202 pstrcpy(password[1], password[0]);
203 pstrcpy(username[1], username[0]);
206 if (!cli_session_setup(c, username[snum],
207 password[snum], strlen(password[snum]),
208 password[snum], strlen(password[snum]),
210 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
215 * These next two lines are needed to emulate
216 * old client behaviour for people who have
217 * scripts based on client output.
218 * QUESTION ? Do we want to have a 'client compatibility
219 * mode to turn these on/off ? JRA.
222 if (*c->server_domain || *c->server_os || *c->server_type)
223 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
224 c->server_domain,c->server_os,c->server_type));
226 DEBUG(4,(" session setup ok\n"));
228 if (!cli_send_tconX(c, share, "?????",
229 password[snum], strlen(password[snum])+1)) {
230 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
235 DEBUG(4,(" tconx ok\n"));
237 c->use_oplocks = use_oplocks;
243 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
244 char *share[NSERVERS])
248 for (server=0;server<NSERVERS;server++)
249 for (conn=0;conn<NCONNECTIONS;conn++) {
250 if (cli[server][conn]) {
251 for (f=0;f<NFILES;f++) {
252 if (fnum[server][conn][f] != -1) {
253 cli_close(cli[server][conn], fnum[server][conn][f]);
254 fnum[server][conn][f] = -1;
257 cli_ulogoff(cli[server][conn]);
258 cli_shutdown(cli[server][conn]);
260 cli[server][conn] = connect_one(share[server], server);
261 if (!cli[server][conn]) {
262 DEBUG(0,("Failed to connect to %s\n", share[server]));
270 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
271 int fnum[NSERVERS][NCONNECTIONS][NFILES],
274 unsigned conn = rec->conn;
276 SMB_BIG_UINT start = rec->start;
277 SMB_BIG_UINT len = rec->len;
278 enum brl_type op = rec->lock_type;
281 NTSTATUS status[NSERVERS];
283 switch (rec->lock_op) {
286 for (server=0;server<NSERVERS;server++) {
287 ret[server] = cli_lock64(cli[server][conn],
288 fnum[server][conn][f],
289 start, len, LOCK_TIMEOUT, op);
290 status[server] = cli_nt_error(cli[server][conn]);
291 if (!exact_error_codes &&
292 NT_STATUS_EQUAL(status[server],
293 NT_STATUS_FILE_LOCK_CONFLICT)) {
294 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
297 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
298 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
300 (double)start, (double)len,
301 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
302 nt_errstr(status[0]), nt_errstr(status[1]));
304 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
305 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
310 for (server=0;server<NSERVERS;server++) {
311 ret[server] = cli_unlock64(cli[server][conn],
312 fnum[server][conn][f],
314 status[server] = cli_nt_error(cli[server][conn]);
317 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
318 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
320 (double)start, (double)len,
321 nt_errstr(status[0]), nt_errstr(status[1]));
323 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
324 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
329 /* reopen the file */
330 for (server=0;server<NSERVERS;server++) {
331 cli_close(cli[server][conn], fnum[server][conn][f]);
332 fnum[server][conn][f] = -1;
334 for (server=0;server<NSERVERS;server++) {
335 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
338 if (fnum[server][conn][f] == -1) {
339 printf("failed to reopen on share%d\n", server);
344 printf("reopen conn=%u f=%u\n",
354 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
355 int fnum[NSERVERS][NCONNECTIONS][NFILES])
359 for (server=0;server<NSERVERS;server++)
360 for (conn=0;conn<NCONNECTIONS;conn++)
361 for (f=0;f<NFILES;f++) {
362 if (fnum[server][conn][f] != -1) {
363 cli_close(cli[server][conn], fnum[server][conn][f]);
364 fnum[server][conn][f] = -1;
367 for (server=0;server<NSERVERS;server++) {
368 cli_unlink(cli[server][0], FILENAME);
372 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
373 int fnum[NSERVERS][NCONNECTIONS][NFILES])
377 for (server=0;server<NSERVERS;server++)
378 for (conn=0;conn<NCONNECTIONS;conn++)
379 for (f=0;f<NFILES;f++) {
380 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
383 if (fnum[server][conn][f] == -1) {
384 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
392 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
393 int fnum[NSERVERS][NCONNECTIONS][NFILES],
397 printf("testing %u ...\n", n);
398 for (i=0; i<n; i++) {
399 if (i && i % 100 == 0) {
403 if (recorded[i].needed &&
404 !test_one(cli, fnum, &recorded[i])) return i;
410 /* each server has two connections open to it. Each connection has two file
411 descriptors open on the file - 8 file descriptors in total
413 we then do random locking ops in tamdem on the 4 fnums from each
414 server and ensure that the results match
416 static void test_locks(char *share[NSERVERS])
418 struct cli_state *cli[NSERVERS][NCONNECTIONS];
419 int fnum[NSERVERS][NCONNECTIONS][NFILES];
420 int n, i, n1, skip, r1, r2;
425 recorded = (struct record *)malloc(sizeof(*recorded) * numops);
427 for (n=0; n<numops; n++) {
429 if (n < sizeof(preset) / sizeof(preset[0])) {
430 recorded[n] = preset[n];
433 recorded[n].conn = random() % NCONNECTIONS;
434 recorded[n].f = random() % NFILES;
435 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
436 recorded[n].len = min_length +
437 random() % (lock_range-(recorded[n].start-lock_base));
438 recorded[n].start *= RANGE_MULTIPLE;
439 recorded[n].len *= RANGE_MULTIPLE;
443 recorded[n].lock_type = READ_LOCK;
445 recorded[n].lock_type = WRITE_LOCK;
448 recorded[n].lock_op = OP_LOCK;
449 } else if (r2 < UNLOCK_PCT) {
450 recorded[n].lock_op = OP_UNLOCK;
452 recorded[n].lock_op = OP_REOPEN;
454 recorded[n].needed = True;
455 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
463 reconnect(cli, fnum, share);
464 open_files(cli, fnum);
465 n = retest(cli, fnum, numops);
467 if (n == numops || !analyze) return;
475 close_files(cli, fnum);
476 reconnect(cli, fnum, share);
477 open_files(cli, fnum);
479 for (i=0;i<n-skip;i+=skip) {
481 printf("excluding %d-%d\n", i, i+skip-1);
482 for (j=i;j<i+skip;j++) {
483 recorded[j].needed = False;
486 close_files(cli, fnum);
487 open_files(cli, fnum);
489 m = retest(cli, fnum, n);
491 for (j=i;j<i+skip;j++) {
492 recorded[j].needed = True;
495 if (i+(skip-1) < m) {
496 memmove(&recorded[i], &recorded[i+skip],
497 (m-(i+skip-1))*sizeof(recorded[0]));
506 printf("skip=%d\n", skip);
513 close_files(cli, fnum);
514 reconnect(cli, fnum, share);
515 open_files(cli, fnum);
517 n1 = retest(cli, fnum, n);
519 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
521 close_files(cli, fnum);
524 printf("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
526 recorded[i].lock_type,
529 (double)recorded[i].start,
530 (double)recorded[i].len,
537 static void usage(void)
541 locktest //server1/share1 //server2/share2 [options..]\n\
543 -U user%%pass (may be specified twice)\n\
547 -u hide unlock fails\n\
549 -A analyse for minimal ops\n\
551 -E enable exact error code checking\n\
552 -Z enable the zero/zero lock\n\
553 -R range set lock range\n\
554 -B base set lock base\n\
555 -M min set min lock length\n\
559 /****************************************************************************
561 ****************************************************************************/
562 int main(int argc,char *argv[])
564 char *share[NSERVERS];
575 if (argc < 3 || argv[1][0] == '-') {
580 setup_logging(argv[0],True);
582 for (server=0;server<NSERVERS;server++) {
583 share[server] = argv[1+server];
584 all_string_sub(share[server],"/","\\",0);
590 lp_load(dyn_CONFIGFILE,True,False,False);
593 if (getenv("USER")) {
594 pstrcpy(username[0],getenv("USER"));
595 pstrcpy(username[1],getenv("USER"));
600 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
607 d_printf("No kerberos support compiled in\n");
613 d_printf("Max of 2 usernames\n");
616 pstrcpy(username[got_pass],optarg);
617 p = strchr_m(username[got_pass],'%');
620 pstrcpy(password[got_pass], p+1);
625 lock_range = strtol(optarg, NULL, 0);
628 lock_base = strtol(optarg, NULL, 0);
631 min_length = strtol(optarg, NULL, 0);
637 hide_unlock_fails = True;
640 numops = atoi(optarg);
655 exact_error_codes = True;
661 printf("Unknown option %c (%d)\n", (char)opt, opt);
669 DEBUG(0,("seed=%u\n", seed));