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 3 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.
23 static fstring password[2];
24 static fstring username[2];
27 static BOOL use_kerberos;
28 static int numops = 1000;
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;
42 #define FILENAME "\\locktest.dat"
47 #define RANGE_MULTIPLE 1
49 #define NCONNECTIONS 2
51 #define LOCK_TIMEOUT 0
53 #define NASTY_POSIX_LOCK_HACK 0
55 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
57 static const char *lock_op_type(int op)
59 if (op == WRITE_LOCK) return "write";
60 else if (op == READ_LOCK) return "read";
64 static const char *lock_op_name(enum lock_op op)
66 if (op == OP_LOCK) return "lock";
67 else if (op == OP_UNLOCK) return "unlock";
73 enum brl_type lock_type;
75 SMB_BIG_UINT start, len;
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},
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},
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},
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},
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},
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},
117 static struct record *recorded;
119 static void print_brl(struct file_id id,
120 struct server_id pid,
121 enum brl_type lock_type,
122 enum brl_flavour lock_flav,
127 #if NASTY_POSIX_LOCK_HACK
130 static SMB_INO_T lastino;
132 if (lastino != ino) {
133 slprintf(cmd, sizeof(cmd),
134 "egrep POSIX.*%u /proc/locks", (int)ino);
141 printf("%s %s %s %.0f:%.0f(%.0f)\n",
142 procid_str_static(&pid), file_id_static_string(&id),
143 lock_type==READ_LOCK?"R":"W",
144 (double)start, (double)start+size-1,(double)size);
149 static void show_locks(void)
151 brl_forall(print_brl, NULL);
152 /* system("cat /proc/locks"); */
156 /*****************************************************
157 return a connection to a server
158 *******************************************************/
159 static struct cli_state *connect_one(char *share, int snum)
162 struct nmb_name called, calling;
170 fstrcpy(server,share+2);
171 share = strchr_m(server,'\\');
172 if (!share) return NULL;
180 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
182 make_nmb_name(&calling, myname, 0x0);
183 make_nmb_name(&called , server, 0x20);
188 /* have to open a new connection */
189 if (!(c=cli_initialise())) {
190 DEBUG(0,("Connection to %s failed\n", server_n));
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) ));
200 c->use_kerberos = use_kerberos;
202 if (!cli_session_request(c, &calling, &called)) {
203 DEBUG(0,("session request to %s failed\n", called.name));
205 if (strcmp(called.name, "*SMBSERVER")) {
206 make_nmb_name(&called , "*SMBSERVER", 0x20);
212 DEBUG(4,(" session request ok\n"));
214 if (!cli_negprot(c)) {
215 DEBUG(0,("protocol negotiation failed\n"));
221 char *pass = getpass("Password: ");
223 fstrcpy(password[0], pass);
224 fstrcpy(password[1], pass);
229 fstrcpy(password[1], password[0]);
230 fstrcpy(username[1], username[0]);
233 if (!NT_STATUS_IS_OK(cli_session_setup(c, username[snum],
235 strlen(password[snum]),
237 strlen(password[snum]),
239 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
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.
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));
255 DEBUG(4,(" session setup ok\n"));
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)));
264 DEBUG(4,(" tconx ok\n"));
266 c->use_oplocks = use_oplocks;
272 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
273 char *share[NSERVERS])
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;
286 cli_ulogoff(cli[server][conn]);
287 cli_shutdown(cli[server][conn]);
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]));
299 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
300 int fnum[NSERVERS][NCONNECTIONS][NFILES],
303 unsigned conn = rec->conn;
305 SMB_BIG_UINT start = rec->start;
306 SMB_BIG_UINT len = rec->len;
307 enum brl_type op = rec->lock_type;
310 NTSTATUS status[NSERVERS];
312 switch (rec->lock_op) {
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;
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",
329 (double)start, (double)len,
330 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
331 nt_errstr(status[0]), nt_errstr(status[1]));
333 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
334 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
339 for (server=0;server<NSERVERS;server++) {
340 ret[server] = cli_unlock64(cli[server][conn],
341 fnum[server][conn][f],
343 status[server] = cli_nt_error(cli[server][conn]);
346 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
347 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
349 (double)start, (double)len,
350 nt_errstr(status[0]), nt_errstr(status[1]));
352 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
353 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
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;
363 for (server=0;server<NSERVERS;server++) {
364 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
367 if (fnum[server][conn][f] == -1) {
368 printf("failed to reopen on share%d\n", server);
373 printf("reopen conn=%u f=%u\n",
383 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
384 int fnum[NSERVERS][NCONNECTIONS][NFILES])
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;
396 for (server=0;server<NSERVERS;server++) {
397 cli_unlink(cli[server][0], FILENAME);
401 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
402 int fnum[NSERVERS][NCONNECTIONS][NFILES])
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,
412 if (fnum[server][conn][f] == -1) {
413 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
421 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
422 int fnum[NSERVERS][NCONNECTIONS][NFILES],
426 printf("testing %u ...\n", n);
427 for (i=0; i<n; i++) {
428 if (i && i % 100 == 0) {
432 if (recorded[i].needed &&
433 !test_one(cli, fnum, &recorded[i])) return i;
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
442 we then do random locking ops in tamdem on the 4 fnums from each
443 server and ensure that the results match
445 static void test_locks(char *share[NSERVERS])
447 struct cli_state *cli[NSERVERS][NCONNECTIONS];
448 int fnum[NSERVERS][NCONNECTIONS][NFILES];
449 int n, i, n1, skip, r1, r2;
454 recorded = SMB_MALLOC_ARRAY(struct record, numops);
456 for (n=0; n<numops; n++) {
458 if (n < sizeof(preset) / sizeof(preset[0])) {
459 recorded[n] = preset[n];
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;
472 recorded[n].lock_type = READ_LOCK;
474 recorded[n].lock_type = WRITE_LOCK;
477 recorded[n].lock_op = OP_LOCK;
478 } else if (r2 < UNLOCK_PCT) {
479 recorded[n].lock_op = OP_UNLOCK;
481 recorded[n].lock_op = OP_REOPEN;
483 recorded[n].needed = True;
484 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
492 reconnect(cli, fnum, share);
493 open_files(cli, fnum);
494 n = retest(cli, fnum, numops);
496 if (n == numops || !analyze) return;
504 close_files(cli, fnum);
505 reconnect(cli, fnum, share);
506 open_files(cli, fnum);
508 for (i=0;i<n-skip;i+=skip) {
510 printf("excluding %d-%d\n", i, i+skip-1);
511 for (j=i;j<i+skip;j++) {
512 recorded[j].needed = False;
515 close_files(cli, fnum);
516 open_files(cli, fnum);
518 m = retest(cli, fnum, n);
520 for (j=i;j<i+skip;j++) {
521 recorded[j].needed = True;
524 if (i+(skip-1) < m) {
525 memmove(&recorded[i], &recorded[i+skip],
526 (m-(i+skip-1))*sizeof(recorded[0]));
535 printf("skip=%d\n", skip);
542 close_files(cli, fnum);
543 reconnect(cli, fnum, share);
544 open_files(cli, fnum);
546 n1 = retest(cli, fnum, n);
548 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
550 close_files(cli, fnum);
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),
558 (double)recorded[i].start,
559 (double)recorded[i].len,
566 static void usage(void)
570 locktest //server1/share1 //server2/share2 [options..]\n\
572 -U user%%pass (may be specified twice)\n\
576 -u hide unlock fails\n\
578 -A analyse for minimal ops\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\
588 /****************************************************************************
590 ****************************************************************************/
591 int main(int argc,char *argv[])
593 char *share[NSERVERS];
604 if (argc < 3 || argv[1][0] == '-') {
609 setup_logging(argv[0],True);
611 for (server=0;server<NSERVERS;server++) {
612 share[server] = argv[1+server];
613 all_string_sub(share[server],"/","\\",0);
619 lp_load(dyn_CONFIGFILE,True,False,False,True);
622 if (getenv("USER")) {
623 fstrcpy(username[0],getenv("USER"));
624 fstrcpy(username[1],getenv("USER"));
629 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
635 d_printf("No kerberos support compiled in\n");
642 d_printf("Max of 2 usernames\n");
645 fstrcpy(username[got_pass],optarg);
646 p = strchr_m(username[got_pass],'%');
649 fstrcpy(password[got_pass], p+1);
654 lock_range = strtol(optarg, NULL, 0);
657 lock_base = strtol(optarg, NULL, 0);
660 min_length = strtol(optarg, NULL, 0);
666 hide_unlock_fails = True;
669 numops = atoi(optarg);
684 exact_error_codes = True;
690 printf("Unknown option %c (%d)\n", (char)opt, opt);
695 if(use_kerberos && !got_user) got_pass = True;
700 DEBUG(0,("seed=%u\n", seed));