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, see <http://www.gnu.org/licenses/>.
21 #include "libsmb/libsmb.h"
22 #include "system/filesys.h"
23 #include "locking/proto.h"
24 #include "libsmb/nmblib.h"
25 #include "../libcli/smb/smbXcli_base.h"
27 static fstring password[2];
28 static fstring username[2];
31 static bool use_kerberos;
32 static int numops = 1000;
35 static bool hide_unlock_fails;
36 static bool use_oplocks;
37 static unsigned lock_range = 100;
38 static unsigned lock_base = 0;
39 static unsigned min_length = 0;
40 static bool exact_error_codes;
41 static bool zero_zero;
46 #define FILENAME "\\locktest.dat"
51 #define RANGE_MULTIPLE 1
53 #define NCONNECTIONS 2
55 #define LOCK_TIMEOUT 0
57 #define NASTY_POSIX_LOCK_HACK 0
59 enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
61 static const char *lock_op_type(int op)
63 if (op == WRITE_LOCK) return "write";
64 else if (op == READ_LOCK) return "read";
68 static const char *lock_op_name(enum lock_op op)
70 if (op == OP_LOCK) return "lock";
71 else if (op == OP_UNLOCK) return "unlock";
77 enum brl_type lock_type;
86 static struct record preset[] = {
87 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
88 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
89 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
90 {OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
91 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
93 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
94 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
95 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
96 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
98 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
99 {OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
100 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
101 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
103 {OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
104 {OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
105 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
106 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
108 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
109 {OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
110 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
111 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
113 {OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
114 {OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
115 {OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
116 {OP_REOPEN, 0, 0, 0, 0, 0, 1},
121 static struct record *recorded;
123 static void print_brl(struct file_id id,
124 struct server_id pid,
125 enum brl_type lock_type,
126 enum brl_flavour lock_flav,
131 #if NASTY_POSIX_LOCK_HACK
133 static SMB_INO_T lastino;
135 if (lastino != ino) {
138 "egrep POSIX.*%u /proc/locks", (int)ino) > 0) {
147 printf("%s %s %s %.0f:%.0f(%.0f)\n",
148 procid_str_static(&pid), file_id_string_tos(&id),
149 lock_type==READ_LOCK?"R":"W",
150 (double)start, (double)start+size-1,(double)size);
155 static void show_locks(void)
157 brl_forall(print_brl, NULL);
158 /* system("cat /proc/locks"); */
162 /*****************************************************
163 return a connection to a server
164 *******************************************************/
165 static struct cli_state *connect_one(char *share, int snum)
175 fstrcpy(server,share+2);
176 share = strchr_m(server,'\\');
177 if (!share) return NULL;
183 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
185 /* have to open a new connection */
188 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
191 flags |= CLI_FULL_CONNECTION_OPLOCKS;
194 status = cli_connect_nb(server_n, NULL, 0, 0x20, myname,
195 SMB_SIGNING_DEFAULT, flags, &c);
196 if (!NT_STATUS_IS_OK(status)) {
197 DEBUG(0, ("Connection to %s failed. Error %s\n", server_n,
202 status = smbXcli_negprot(c->conn, c->timeout, PROTOCOL_CORE,
204 if (!NT_STATUS_IS_OK(status)) {
205 DEBUG(0, ("protocol negotiation failed: %s\n",
212 char *pass = getpass("Password: ");
214 fstrcpy(password[0], pass);
215 fstrcpy(password[1], pass);
220 strlcpy(password[1], password[0],sizeof(password[1]));
221 strlcpy(username[1], username[0],sizeof(username[1]));
224 status = cli_session_setup(c, username[snum],
225 password[snum], strlen(password[snum]),
226 password[snum], strlen(password[snum]),
228 if (!NT_STATUS_IS_OK(status)) {
229 DEBUG(0,("session setup failed: %s\n", nt_errstr(status)));
234 * These next two lines are needed to emulate
235 * old client behaviour for people who have
236 * scripts based on client output.
237 * QUESTION ? Do we want to have a 'client compatibility
238 * mode to turn these on/off ? JRA.
241 if (*c->server_domain || *c->server_os || *c->server_type)
242 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
243 c->server_domain,c->server_os,c->server_type));
245 DEBUG(4,(" session setup ok\n"));
247 status = cli_tree_connect(c, share, "?????", password[snum],
248 strlen(password[snum])+1);
249 if (!NT_STATUS_IS_OK(status)) {
250 DEBUG(0,("tree connect failed: %s\n", nt_errstr(status)));
255 DEBUG(4,(" tconx ok\n"));
261 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
262 char *share[NSERVERS])
266 for (server=0;server<NSERVERS;server++)
267 for (conn=0;conn<NCONNECTIONS;conn++) {
268 if (cli[server][conn]) {
269 for (f=0;f<NFILES;f++) {
270 if (fnum[server][conn][f] != (uint16_t)-1) {
271 cli_close(cli[server][conn], fnum[server][conn][f]);
272 fnum[server][conn][f] = (uint16_t)-1;
275 cli_ulogoff(cli[server][conn]);
276 cli_shutdown(cli[server][conn]);
278 cli[server][conn] = connect_one(share[server], server);
279 if (!cli[server][conn]) {
280 DEBUG(0,("Failed to connect to %s\n", share[server]));
288 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
289 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
292 unsigned conn = rec->conn;
294 uint64_t start = rec->start;
295 uint64_t len = rec->len;
296 enum brl_type op = rec->lock_type;
298 NTSTATUS status[NSERVERS];
300 switch (rec->lock_op) {
303 for (server=0;server<NSERVERS;server++) {
304 status[server] = cli_lock64(cli[server][conn],
305 fnum[server][conn][f],
306 start, len, LOCK_TIMEOUT,
308 if (!exact_error_codes &&
309 NT_STATUS_EQUAL(status[server],
310 NT_STATUS_FILE_LOCK_CONFLICT)) {
311 status[server] = NT_STATUS_LOCK_NOT_GRANTED;
314 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
315 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
317 (double)start, (double)len,
318 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
319 nt_errstr(status[0]), nt_errstr(status[1]));
321 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
322 if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
327 for (server=0;server<NSERVERS;server++) {
328 status[server] = cli_unlock64(cli[server][conn],
329 fnum[server][conn][f],
333 (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
334 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
336 (double)start, (double)len,
337 nt_errstr(status[0]), nt_errstr(status[1]));
339 if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
340 if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
345 /* reopen the file */
346 for (server=0;server<NSERVERS;server++) {
347 cli_close(cli[server][conn], fnum[server][conn][f]);
348 fnum[server][conn][f] = (uint16_t)-1;
350 for (server=0;server<NSERVERS;server++) {
351 fnum[server][conn][f] = (uint16_t)-1;
352 if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
354 DENY_NONE, &fnum[server][conn][f]))) {
355 printf("failed to reopen on share%d\n", server);
360 printf("reopen conn=%u f=%u\n",
370 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
371 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
375 for (server=0;server<NSERVERS;server++)
376 for (conn=0;conn<NCONNECTIONS;conn++)
377 for (f=0;f<NFILES;f++) {
378 if (fnum[server][conn][f] != (uint16_t)-1) {
379 cli_close(cli[server][conn], fnum[server][conn][f]);
380 fnum[server][conn][f] = (uint16_t)-1;
383 for (server=0;server<NSERVERS;server++) {
384 cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
388 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
389 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
393 for (server=0;server<NSERVERS;server++)
394 for (conn=0;conn<NCONNECTIONS;conn++)
395 for (f=0;f<NFILES;f++) {
396 fnum[server][conn][f] = (uint16_t)-1;
397 if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
400 &fnum[server][conn][f]))) {
401 fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
409 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
410 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
414 printf("testing %u ...\n", n);
415 for (i=0; i<n; i++) {
416 if (i && i % 100 == 0) {
420 if (recorded[i].needed &&
421 !test_one(cli, fnum, &recorded[i])) return i;
427 /* each server has two connections open to it. Each connection has two file
428 descriptors open on the file - 8 file descriptors in total
430 we then do random locking ops in tamdem on the 4 fnums from each
431 server and ensure that the results match
433 static void test_locks(char *share[NSERVERS])
435 struct cli_state *cli[NSERVERS][NCONNECTIONS];
436 uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES];
437 int n, i, n1, skip, r1, r2;
442 recorded = SMB_MALLOC_ARRAY(struct record, numops);
444 for (n=0; n<numops; n++) {
446 if (n < sizeof(preset) / sizeof(preset[0])) {
447 recorded[n] = preset[n];
450 recorded[n].conn = random() % NCONNECTIONS;
451 recorded[n].f = random() % NFILES;
452 recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
453 recorded[n].len = min_length +
454 random() % (lock_range-(recorded[n].start-lock_base));
455 recorded[n].start *= RANGE_MULTIPLE;
456 recorded[n].len *= RANGE_MULTIPLE;
460 recorded[n].lock_type = READ_LOCK;
462 recorded[n].lock_type = WRITE_LOCK;
465 recorded[n].lock_op = OP_LOCK;
466 } else if (r2 < UNLOCK_PCT) {
467 recorded[n].lock_op = OP_UNLOCK;
469 recorded[n].lock_op = OP_REOPEN;
471 recorded[n].needed = True;
472 if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
480 reconnect(cli, fnum, share);
481 open_files(cli, fnum);
482 n = retest(cli, fnum, numops);
484 if (n == numops || !analyze) return;
492 close_files(cli, fnum);
493 reconnect(cli, fnum, share);
494 open_files(cli, fnum);
496 for (i=0;i<n-skip;i+=skip) {
498 printf("excluding %d-%d\n", i, i+skip-1);
499 for (j=i;j<i+skip;j++) {
500 recorded[j].needed = False;
503 close_files(cli, fnum);
504 open_files(cli, fnum);
506 m = retest(cli, fnum, n);
508 for (j=i;j<i+skip;j++) {
509 recorded[j].needed = True;
512 if (i+(skip-1) < m) {
513 memmove(&recorded[i], &recorded[i+skip],
514 (m-(i+skip-1))*sizeof(recorded[0]));
523 printf("skip=%d\n", skip);
530 close_files(cli, fnum);
531 reconnect(cli, fnum, share);
532 open_files(cli, fnum);
534 n1 = retest(cli, fnum, n);
536 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
538 close_files(cli, fnum);
541 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
542 lock_op_name(recorded[i].lock_op),
543 lock_op_type(recorded[i].lock_type),
546 (double)recorded[i].start,
547 (double)recorded[i].len,
554 static void usage(void)
558 locktest //server1/share1 //server2/share2 [options..]\n\
560 -U user%%pass (may be specified twice)\n\
564 -u hide unlock fails\n\
566 -A analyse for minimal ops\n\
568 -E enable exact error code checking\n\
569 -Z enable the zero/zero lock\n\
570 -R range set lock range\n\
571 -B base set lock base\n\
572 -M min set min lock length\n\
576 /****************************************************************************
578 ****************************************************************************/
579 int main(int argc,char *argv[])
581 char *share[NSERVERS];
590 if (argc < 3 || argv[1][0] == '-') {
595 setup_logging(argv[0], DEBUG_STDOUT);
597 for (server=0;server<NSERVERS;server++) {
598 share[server] = argv[1+server];
599 all_string_sub(share[server],"/","\\",0);
605 lp_load_global(get_dyn_CONFIGFILE());
608 if (getenv("USER")) {
609 fstrcpy(username[0],getenv("USER"));
610 fstrcpy(username[1],getenv("USER"));
615 while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
621 d_printf("No kerberos support compiled in\n");
628 d_printf("Max of 2 usernames\n");
631 fstrcpy(username[got_pass],optarg);
632 p = strchr_m(username[got_pass],'%');
635 fstrcpy(password[got_pass], p+1);
640 lock_range = strtol(optarg, NULL, 0);
643 lock_base = strtol(optarg, NULL, 0);
646 min_length = strtol(optarg, NULL, 0);
652 hide_unlock_fails = True;
655 numops = atoi(optarg);
670 exact_error_codes = True;
676 printf("Unknown option %c (%d)\n", (char)opt, opt);
681 if(use_kerberos && !got_user) got_pass = True;
686 DEBUG(0,("seed=%u\n", seed));