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.
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,
126 #if NASTY_POSIX_LOCK_HACK
129 static SMB_INO_T lastino;
131 if (lastino != ino) {
132 slprintf(cmd, sizeof(cmd),
133 "egrep POSIX.*%u /proc/locks", (int)ino);
140 printf("%s %s %s %.0f:%.0f(%.0f)\n",
141 procid_str_static(&pid), file_id_static_string(&id),
142 lock_type==READ_LOCK?"R":"W",
143 (double)start, (double)start+size-1,(double)size);
148 static void show_locks(void)
150 brl_forall(print_brl);
151 /* system("cat /proc/locks"); */
155 /*****************************************************
156 return a connection to a server
157 *******************************************************/
158 static struct cli_state *connect_one(char *share, int snum)
161 struct nmb_name called, calling;
168 fstrcpy(server,share+2);
169 share = strchr_m(server,'\\');
170 if (!share) return NULL;
178 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
180 make_nmb_name(&calling, myname, 0x0);
181 make_nmb_name(&called , server, 0x20);
186 /* have to open a new connection */
187 if (!(c=cli_initialise()) || !cli_connect(c, server_n, &ip)) {
188 DEBUG(0,("Connection to %s failed\n", server_n));
192 c->use_kerberos = use_kerberos;
194 if (!cli_session_request(c, &calling, &called)) {
195 DEBUG(0,("session request to %s failed\n", called.name));
197 if (strcmp(called.name, "*SMBSERVER")) {
198 make_nmb_name(&called , "*SMBSERVER", 0x20);
204 DEBUG(4,(" session request ok\n"));
206 if (!cli_negprot(c)) {
207 DEBUG(0,("protocol negotiation failed\n"));
213 char *pass = getpass("Password: ");
215 fstrcpy(password[0], pass);
216 fstrcpy(password[1], pass);
221 fstrcpy(password[1], password[0]);
222 fstrcpy(username[1], username[0]);
225 if (!NT_STATUS_IS_OK(cli_session_setup(c, username[snum],
227 strlen(password[snum]),
229 strlen(password[snum]),
231 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
236 * These next two lines are needed to emulate
237 * old client behaviour for people who have
238 * scripts based on client output.
239 * QUESTION ? Do we want to have a 'client compatibility
240 * mode to turn these on/off ? JRA.
243 if (*c->server_domain || *c->server_os || *c->server_type)
244 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
245 c->server_domain,c->server_os,c->server_type));
247 DEBUG(4,(" session setup ok\n"));
249 if (!cli_send_tconX(c, share, "?????",
250 password[snum], strlen(password[snum])+1)) {
251 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
256 DEBUG(4,(" tconx ok\n"));
258 c->use_oplocks = use_oplocks;
264 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
265 char *share[NSERVERS])
269 for (server=0;server<NSERVERS;server++)
270 for (conn=0;conn<NCONNECTIONS;conn++) {
271 if (cli[server][conn]) {
272 for (f=0;f<NFILES;f++) {
273 if (fnum[server][conn][f] != -1) {
274 cli_close(cli[server][conn], fnum[server][conn][f]);
275 fnum[server][conn][f] = -1;
278 cli_ulogoff(cli[server][conn]);
279 cli_shutdown(cli[server][conn]);
281 cli[server][conn] = connect_one(share[server], server);
282 if (!cli[server][conn]) {
283 DEBUG(0,("Failed to connect to %s\n", share[server]));
291 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
292 int fnum[NSERVERS][NCONNECTIONS][NFILES],
295 unsigned conn = rec->conn;
297 SMB_BIG_UINT start = rec->start;
298 SMB_BIG_UINT len = rec->len;
299 enum brl_type op = rec->lock_type;
302 NTSTATUS status[NSERVERS];
304 switch (rec->lock_op) {
307 for (server=0;server<NSERVERS;server++) {
308 ret[server] = cli_lock64(cli[server][conn],
309 fnum[server][conn][f],
310 start, len, LOCK_TIMEOUT, op);
311 status[server] = cli_nt_error(cli[server][conn]);
312 if (!exact_error_codes &&
313 NT_STATUS_EQUAL(status[server],
314 NT_STATUS_FILE_LOCK_CONFLICT)) {
315 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
318 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
319 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
321 (double)start, (double)len,
322 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
323 nt_errstr(status[0]), nt_errstr(status[1]));
325 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
326 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
331 for (server=0;server<NSERVERS;server++) {
332 ret[server] = cli_unlock64(cli[server][conn],
333 fnum[server][conn][f],
335 status[server] = cli_nt_error(cli[server][conn]);
338 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
339 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
341 (double)start, (double)len,
342 nt_errstr(status[0]), nt_errstr(status[1]));
344 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
345 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
350 /* reopen the file */
351 for (server=0;server<NSERVERS;server++) {
352 cli_close(cli[server][conn], fnum[server][conn][f]);
353 fnum[server][conn][f] = -1;
355 for (server=0;server<NSERVERS;server++) {
356 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
359 if (fnum[server][conn][f] == -1) {
360 printf("failed to reopen on share%d\n", server);
365 printf("reopen conn=%u f=%u\n",
375 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
376 int fnum[NSERVERS][NCONNECTIONS][NFILES])
380 for (server=0;server<NSERVERS;server++)
381 for (conn=0;conn<NCONNECTIONS;conn++)
382 for (f=0;f<NFILES;f++) {
383 if (fnum[server][conn][f] != -1) {
384 cli_close(cli[server][conn], fnum[server][conn][f]);
385 fnum[server][conn][f] = -1;
388 for (server=0;server<NSERVERS;server++) {
389 cli_unlink(cli[server][0], FILENAME);
393 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
394 int fnum[NSERVERS][NCONNECTIONS][NFILES])
398 for (server=0;server<NSERVERS;server++)
399 for (conn=0;conn<NCONNECTIONS;conn++)
400 for (f=0;f<NFILES;f++) {
401 fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
404 if (fnum[server][conn][f] == -1) {
405 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
413 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
414 int fnum[NSERVERS][NCONNECTIONS][NFILES],
418 printf("testing %u ...\n", n);
419 for (i=0; i<n; i++) {
420 if (i && i % 100 == 0) {
424 if (recorded[i].needed &&
425 !test_one(cli, fnum, &recorded[i])) return i;
431 /* each server has two connections open to it. Each connection has two file
432 descriptors open on the file - 8 file descriptors in total
434 we then do random locking ops in tamdem on the 4 fnums from each
435 server and ensure that the results match
437 static void test_locks(char *share[NSERVERS])
439 struct cli_state *cli[NSERVERS][NCONNECTIONS];
440 int fnum[NSERVERS][NCONNECTIONS][NFILES];
441 int n, i, n1, skip, r1, r2;
446 recorded = SMB_MALLOC_ARRAY(struct record, numops);
448 for (n=0; n<numops; n++) {
450 if (n < sizeof(preset) / sizeof(preset[0])) {
451 recorded[n] = preset[n];
454 recorded[n].conn = random() % NCONNECTIONS;
455 recorded[n].f = random() % NFILES;
456 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
457 recorded[n].len = min_length +
458 random() % (lock_range-(recorded[n].start-lock_base));
459 recorded[n].start *= RANGE_MULTIPLE;
460 recorded[n].len *= RANGE_MULTIPLE;
464 recorded[n].lock_type = READ_LOCK;
466 recorded[n].lock_type = WRITE_LOCK;
469 recorded[n].lock_op = OP_LOCK;
470 } else if (r2 < UNLOCK_PCT) {
471 recorded[n].lock_op = OP_UNLOCK;
473 recorded[n].lock_op = OP_REOPEN;
475 recorded[n].needed = True;
476 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
484 reconnect(cli, fnum, share);
485 open_files(cli, fnum);
486 n = retest(cli, fnum, numops);
488 if (n == numops || !analyze) return;
496 close_files(cli, fnum);
497 reconnect(cli, fnum, share);
498 open_files(cli, fnum);
500 for (i=0;i<n-skip;i+=skip) {
502 printf("excluding %d-%d\n", i, i+skip-1);
503 for (j=i;j<i+skip;j++) {
504 recorded[j].needed = False;
507 close_files(cli, fnum);
508 open_files(cli, fnum);
510 m = retest(cli, fnum, n);
512 for (j=i;j<i+skip;j++) {
513 recorded[j].needed = True;
516 if (i+(skip-1) < m) {
517 memmove(&recorded[i], &recorded[i+skip],
518 (m-(i+skip-1))*sizeof(recorded[0]));
527 printf("skip=%d\n", skip);
534 close_files(cli, fnum);
535 reconnect(cli, fnum, share);
536 open_files(cli, fnum);
538 n1 = retest(cli, fnum, n);
540 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
542 close_files(cli, fnum);
545 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
546 lock_op_name(recorded[i].lock_op),
547 lock_op_type(recorded[i].lock_type),
550 (double)recorded[i].start,
551 (double)recorded[i].len,
558 static void usage(void)
562 locktest //server1/share1 //server2/share2 [options..]\n\
564 -U user%%pass (may be specified twice)\n\
568 -u hide unlock fails\n\
570 -A analyse for minimal ops\n\
572 -E enable exact error code checking\n\
573 -Z enable the zero/zero lock\n\
574 -R range set lock range\n\
575 -B base set lock base\n\
576 -M min set min lock length\n\
580 /****************************************************************************
582 ****************************************************************************/
583 int main(int argc,char *argv[])
585 char *share[NSERVERS];
596 if (argc < 3 || argv[1][0] == '-') {
601 setup_logging(argv[0],True);
603 for (server=0;server<NSERVERS;server++) {
604 share[server] = argv[1+server];
605 all_string_sub(share[server],"/","\\",0);
611 lp_load(dyn_CONFIGFILE,True,False,False,True);
614 if (getenv("USER")) {
615 fstrcpy(username[0],getenv("USER"));
616 fstrcpy(username[1],getenv("USER"));
621 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
627 d_printf("No kerberos support compiled in\n");
634 d_printf("Max of 2 usernames\n");
637 fstrcpy(username[got_pass],optarg);
638 p = strchr_m(username[got_pass],'%');
641 fstrcpy(password[got_pass], p+1);
646 lock_range = strtol(optarg, NULL, 0);
649 lock_base = strtol(optarg, NULL, 0);
652 min_length = strtol(optarg, NULL, 0);
658 hide_unlock_fails = True;
661 numops = atoi(optarg);
676 exact_error_codes = True;
682 printf("Unknown option %c (%d)\n", (char)opt, opt);
687 if(use_kerberos && !got_user) got_pass = True;
692 DEBUG(0,("seed=%u\n", seed));