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"
26 static fstring password
[2];
27 static fstring username
[2];
30 static bool use_kerberos
;
31 static int numops
= 1000;
34 static bool hide_unlock_fails
;
35 static bool use_oplocks
;
36 static unsigned lock_range
= 100;
37 static unsigned lock_base
= 0;
38 static unsigned min_length
= 0;
39 static bool exact_error_codes
;
40 static bool zero_zero
;
45 #define FILENAME "\\locktest.dat"
50 #define RANGE_MULTIPLE 1
52 #define NCONNECTIONS 2
54 #define LOCK_TIMEOUT 0
56 #define NASTY_POSIX_LOCK_HACK 0
58 enum lock_op
{OP_LOCK
, OP_UNLOCK
, OP_REOPEN
};
60 static const char *lock_op_type(int op
)
62 if (op
== WRITE_LOCK
) return "write";
63 else if (op
== READ_LOCK
) return "read";
67 static const char *lock_op_name(enum lock_op op
)
69 if (op
== OP_LOCK
) return "lock";
70 else if (op
== OP_UNLOCK
) return "unlock";
76 enum brl_type lock_type
;
85 static struct record preset
[] = {
86 {OP_LOCK
, WRITE_LOCK
, 0, 0, 2, 0, 1},
87 {OP_LOCK
, WRITE_LOCK
, 0, 0, 0, 0, 1},
88 {OP_LOCK
, WRITE_LOCK
, 0, 0, 3, 0, 1},
89 {OP_UNLOCK
, 0 , 0, 0, 2, 0, 1},
90 {OP_REOPEN
, 0, 0, 0, 0, 0, 1},
92 {OP_LOCK
, READ_LOCK
, 0, 0, 2, 0, 1},
93 {OP_LOCK
, READ_LOCK
, 0, 0, 1, 1, 1},
94 {OP_LOCK
, WRITE_LOCK
, 0, 0, 0, 0, 1},
95 {OP_REOPEN
, 0, 0, 0, 0, 0, 1},
97 {OP_LOCK
, READ_LOCK
, 0, 0, 2, 0, 1},
98 {OP_LOCK
, WRITE_LOCK
, 0, 0, 3, 1, 1},
99 {OP_LOCK
, WRITE_LOCK
, 0, 0, 0, 0, 1},
100 {OP_REOPEN
, 0, 0, 0, 0, 0, 1},
102 {OP_LOCK
, READ_LOCK
, 0, 0, 2, 0, 1},
103 {OP_LOCK
, WRITE_LOCK
, 0, 0, 1, 1, 1},
104 {OP_LOCK
, WRITE_LOCK
, 0, 0, 0, 0, 1},
105 {OP_REOPEN
, 0, 0, 0, 0, 0, 1},
107 {OP_LOCK
, WRITE_LOCK
, 0, 0, 2, 0, 1},
108 {OP_LOCK
, READ_LOCK
, 0, 0, 1, 1, 1},
109 {OP_LOCK
, WRITE_LOCK
, 0, 0, 0, 0, 1},
110 {OP_REOPEN
, 0, 0, 0, 0, 0, 1},
112 {OP_LOCK
, WRITE_LOCK
, 0, 0, 2, 0, 1},
113 {OP_LOCK
, READ_LOCK
, 0, 0, 3, 1, 1},
114 {OP_LOCK
, WRITE_LOCK
, 0, 0, 0, 0, 1},
115 {OP_REOPEN
, 0, 0, 0, 0, 0, 1},
120 static struct record
*recorded
;
122 static void print_brl(struct file_id id
,
123 struct server_id pid
,
124 enum brl_type lock_type
,
125 enum brl_flavour lock_flav
,
130 #if NASTY_POSIX_LOCK_HACK
132 static SMB_INO_T lastino
;
134 if (lastino
!= ino
) {
137 "egrep POSIX.*%u /proc/locks", (int)ino
) > 0) {
146 printf("%s %s %s %.0f:%.0f(%.0f)\n",
147 procid_str_static(&pid
), file_id_string_tos(&id
),
148 lock_type
==READ_LOCK
?"R":"W",
149 (double)start
, (double)start
+size
-1,(double)size
);
154 static void show_locks(void)
156 brl_forall(print_brl
, NULL
);
157 /* system("cat /proc/locks"); */
161 /*****************************************************
162 return a connection to a server
163 *******************************************************/
164 static struct cli_state
*connect_one(char *share
, int snum
)
167 struct nmb_name called
, calling
;
170 struct sockaddr_storage ss
;
175 fstrcpy(server
,share
+2);
176 share
= strchr_m(server
,'\\');
177 if (!share
) return NULL
;
185 slprintf(myname
,sizeof(myname
), "lock-%lu-%u", (unsigned long)getpid(), count
++);
187 make_nmb_name(&calling
, myname
, 0x0);
188 make_nmb_name(&called
, server
, 0x20);
193 /* have to open a new connection */
194 if (!(c
=cli_initialise())) {
195 DEBUG(0,("Connection to %s failed\n", server_n
));
199 status
= cli_connect(c
, server_n
, &ss
);
200 if (!NT_STATUS_IS_OK(status
)) {
201 DEBUG(0,("Connection to %s failed. Error %s\n", server_n
, nt_errstr(status
) ));
205 c
->use_kerberos
= use_kerberos
;
207 if (!cli_session_request(c
, &calling
, &called
)) {
208 DEBUG(0,("session request to %s failed\n", called
.name
));
210 if (strcmp(called
.name
, "*SMBSERVER")) {
211 make_nmb_name(&called
, "*SMBSERVER", 0x20);
217 DEBUG(4,(" session request ok\n"));
219 status
= cli_negprot(c
);
220 if (!NT_STATUS_IS_OK(status
)) {
221 DEBUG(0, ("protocol negotiation failed: %s\n",
228 char *pass
= getpass("Password: ");
230 fstrcpy(password
[0], pass
);
231 fstrcpy(password
[1], pass
);
236 fstrcpy(password
[1], password
[0]);
237 fstrcpy(username
[1], username
[0]);
240 status
= cli_session_setup(c
, username
[snum
],
241 password
[snum
], strlen(password
[snum
]),
242 password
[snum
], strlen(password
[snum
]),
244 if (!NT_STATUS_IS_OK(status
)) {
245 DEBUG(0,("session setup failed: %s\n", nt_errstr(status
)));
250 * These next two lines are needed to emulate
251 * old client behaviour for people who have
252 * scripts based on client output.
253 * QUESTION ? Do we want to have a 'client compatibility
254 * mode to turn these on/off ? JRA.
257 if (*c
->server_domain
|| *c
->server_os
|| *c
->server_type
)
258 DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
259 c
->server_domain
,c
->server_os
,c
->server_type
));
261 DEBUG(4,(" session setup ok\n"));
263 status
= cli_tcon_andx(c
, share
, "?????", password
[snum
],
264 strlen(password
[snum
])+1);
265 if (!NT_STATUS_IS_OK(status
)) {
266 DEBUG(0,("tree connect failed: %s\n", nt_errstr(status
)));
271 DEBUG(4,(" tconx ok\n"));
273 c
->use_oplocks
= use_oplocks
;
279 static void reconnect(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
], uint16_t fnum
[NSERVERS
][NCONNECTIONS
][NFILES
],
280 char *share
[NSERVERS
])
284 for (server
=0;server
<NSERVERS
;server
++)
285 for (conn
=0;conn
<NCONNECTIONS
;conn
++) {
286 if (cli
[server
][conn
]) {
287 for (f
=0;f
<NFILES
;f
++) {
288 if (fnum
[server
][conn
][f
] != (uint16_t)-1) {
289 cli_close(cli
[server
][conn
], fnum
[server
][conn
][f
]);
290 fnum
[server
][conn
][f
] = (uint16_t)-1;
293 cli_ulogoff(cli
[server
][conn
]);
294 cli_shutdown(cli
[server
][conn
]);
296 cli
[server
][conn
] = connect_one(share
[server
], server
);
297 if (!cli
[server
][conn
]) {
298 DEBUG(0,("Failed to connect to %s\n", share
[server
]));
306 static bool test_one(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
307 uint16_t fnum
[NSERVERS
][NCONNECTIONS
][NFILES
],
310 unsigned conn
= rec
->conn
;
312 uint64_t start
= rec
->start
;
313 uint64_t len
= rec
->len
;
314 enum brl_type op
= rec
->lock_type
;
317 NTSTATUS status
[NSERVERS
];
319 switch (rec
->lock_op
) {
322 for (server
=0;server
<NSERVERS
;server
++) {
323 ret
[server
] = cli_lock64(cli
[server
][conn
],
324 fnum
[server
][conn
][f
],
325 start
, len
, LOCK_TIMEOUT
, op
);
326 status
[server
] = cli_nt_error(cli
[server
][conn
]);
327 if (!exact_error_codes
&&
328 NT_STATUS_EQUAL(status
[server
],
329 NT_STATUS_FILE_LOCK_CONFLICT
)) {
330 status
[server
] = NT_STATUS_LOCK_NOT_GRANTED
;
333 if (showall
|| !NT_STATUS_EQUAL(status
[0],status
[1])) {
334 printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
336 (double)start
, (double)len
,
337 op
==READ_LOCK
?"READ_LOCK":"WRITE_LOCK",
338 nt_errstr(status
[0]), nt_errstr(status
[1]));
340 if (showall
|| !NT_STATUS_EQUAL(status
[0],status
[1])) show_locks();
341 if (!NT_STATUS_EQUAL(status
[0],status
[1])) return False
;
346 for (server
=0;server
<NSERVERS
;server
++) {
347 ret
[server
] = NT_STATUS_IS_OK(cli_unlock64(cli
[server
][conn
],
348 fnum
[server
][conn
][f
],
350 status
[server
] = cli_nt_error(cli
[server
][conn
]);
353 (!hide_unlock_fails
&& !NT_STATUS_EQUAL(status
[0],status
[1]))) {
354 printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
356 (double)start
, (double)len
,
357 nt_errstr(status
[0]), nt_errstr(status
[1]));
359 if (showall
|| !NT_STATUS_EQUAL(status
[0],status
[1])) show_locks();
360 if (!hide_unlock_fails
&& !NT_STATUS_EQUAL(status
[0],status
[1]))
365 /* reopen the file */
366 for (server
=0;server
<NSERVERS
;server
++) {
367 cli_close(cli
[server
][conn
], fnum
[server
][conn
][f
]);
368 fnum
[server
][conn
][f
] = (uint16_t)-1;
370 for (server
=0;server
<NSERVERS
;server
++) {
371 fnum
[server
][conn
][f
] = (uint16_t)-1;
372 if (!NT_STATUS_IS_OK(cli_open(cli
[server
][conn
], FILENAME
,
374 DENY_NONE
, &fnum
[server
][conn
][f
]))) {
375 printf("failed to reopen on share%d\n", server
);
380 printf("reopen conn=%u f=%u\n",
390 static void close_files(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
391 uint16_t fnum
[NSERVERS
][NCONNECTIONS
][NFILES
])
395 for (server
=0;server
<NSERVERS
;server
++)
396 for (conn
=0;conn
<NCONNECTIONS
;conn
++)
397 for (f
=0;f
<NFILES
;f
++) {
398 if (fnum
[server
][conn
][f
] != (uint16_t)-1) {
399 cli_close(cli
[server
][conn
], fnum
[server
][conn
][f
]);
400 fnum
[server
][conn
][f
] = (uint16_t)-1;
403 for (server
=0;server
<NSERVERS
;server
++) {
404 cli_unlink(cli
[server
][0], FILENAME
, FILE_ATTRIBUTE_SYSTEM
| FILE_ATTRIBUTE_HIDDEN
);
408 static void open_files(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
409 uint16_t fnum
[NSERVERS
][NCONNECTIONS
][NFILES
])
413 for (server
=0;server
<NSERVERS
;server
++)
414 for (conn
=0;conn
<NCONNECTIONS
;conn
++)
415 for (f
=0;f
<NFILES
;f
++) {
416 fnum
[server
][conn
][f
] = (uint16_t)-1;
417 if (!NT_STATUS_IS_OK(cli_open(cli
[server
][conn
], FILENAME
,
420 &fnum
[server
][conn
][f
]))) {
421 fprintf(stderr
,"Failed to open fnum[%u][%u][%u]\n",
429 static int retest(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
430 uint16_t fnum
[NSERVERS
][NCONNECTIONS
][NFILES
],
434 printf("testing %u ...\n", n
);
435 for (i
=0; i
<n
; i
++) {
436 if (i
&& i
% 100 == 0) {
440 if (recorded
[i
].needed
&&
441 !test_one(cli
, fnum
, &recorded
[i
])) return i
;
447 /* each server has two connections open to it. Each connection has two file
448 descriptors open on the file - 8 file descriptors in total
450 we then do random locking ops in tamdem on the 4 fnums from each
451 server and ensure that the results match
453 static void test_locks(char *share
[NSERVERS
])
455 struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
];
456 uint16_t fnum
[NSERVERS
][NCONNECTIONS
][NFILES
];
457 int n
, i
, n1
, skip
, r1
, r2
;
462 recorded
= SMB_MALLOC_ARRAY(struct record
, numops
);
464 for (n
=0; n
<numops
; n
++) {
466 if (n
< sizeof(preset
) / sizeof(preset
[0])) {
467 recorded
[n
] = preset
[n
];
470 recorded
[n
].conn
= random() % NCONNECTIONS
;
471 recorded
[n
].f
= random() % NFILES
;
472 recorded
[n
].start
= lock_base
+ ((unsigned)random() % (lock_range
-1));
473 recorded
[n
].len
= min_length
+
474 random() % (lock_range
-(recorded
[n
].start
-lock_base
));
475 recorded
[n
].start
*= RANGE_MULTIPLE
;
476 recorded
[n
].len
*= RANGE_MULTIPLE
;
480 recorded
[n
].lock_type
= READ_LOCK
;
482 recorded
[n
].lock_type
= WRITE_LOCK
;
485 recorded
[n
].lock_op
= OP_LOCK
;
486 } else if (r2
< UNLOCK_PCT
) {
487 recorded
[n
].lock_op
= OP_UNLOCK
;
489 recorded
[n
].lock_op
= OP_REOPEN
;
491 recorded
[n
].needed
= True
;
492 if (!zero_zero
&& recorded
[n
].start
==0 && recorded
[n
].len
==0) {
500 reconnect(cli
, fnum
, share
);
501 open_files(cli
, fnum
);
502 n
= retest(cli
, fnum
, numops
);
504 if (n
== numops
|| !analyze
) return;
512 close_files(cli
, fnum
);
513 reconnect(cli
, fnum
, share
);
514 open_files(cli
, fnum
);
516 for (i
=0;i
<n
-skip
;i
+=skip
) {
518 printf("excluding %d-%d\n", i
, i
+skip
-1);
519 for (j
=i
;j
<i
+skip
;j
++) {
520 recorded
[j
].needed
= False
;
523 close_files(cli
, fnum
);
524 open_files(cli
, fnum
);
526 m
= retest(cli
, fnum
, n
);
528 for (j
=i
;j
<i
+skip
;j
++) {
529 recorded
[j
].needed
= True
;
532 if (i
+(skip
-1) < m
) {
533 memmove(&recorded
[i
], &recorded
[i
+skip
],
534 (m
-(i
+skip
-1))*sizeof(recorded
[0]));
543 printf("skip=%d\n", skip
);
550 close_files(cli
, fnum
);
551 reconnect(cli
, fnum
, share
);
552 open_files(cli
, fnum
);
554 n1
= retest(cli
, fnum
, n
);
556 printf("ERROR - inconsistent result (%u %u)\n", n1
, n
);
558 close_files(cli
, fnum
);
561 printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
562 lock_op_name(recorded
[i
].lock_op
),
563 lock_op_type(recorded
[i
].lock_type
),
566 (double)recorded
[i
].start
,
567 (double)recorded
[i
].len
,
574 static void usage(void)
578 locktest //server1/share1 //server2/share2 [options..]\n\
580 -U user%%pass (may be specified twice)\n\
584 -u hide unlock fails\n\
586 -A analyse for minimal ops\n\
588 -E enable exact error code checking\n\
589 -Z enable the zero/zero lock\n\
590 -R range set lock range\n\
591 -B base set lock base\n\
592 -M min set min lock length\n\
596 /****************************************************************************
598 ****************************************************************************/
599 int main(int argc
,char *argv
[])
601 char *share
[NSERVERS
];
610 if (argc
< 3 || argv
[1][0] == '-') {
615 setup_logging(argv
[0], DEBUG_STDOUT
);
617 for (server
=0;server
<NSERVERS
;server
++) {
618 share
[server
] = argv
[1+server
];
619 all_string_sub(share
[server
],"/","\\",0);
625 lp_load(get_dyn_CONFIGFILE(),True
,False
,False
,True
);
628 if (getenv("USER")) {
629 fstrcpy(username
[0],getenv("USER"));
630 fstrcpy(username
[1],getenv("USER"));
635 while ((opt
= getopt(argc
, argv
, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF
) {
641 d_printf("No kerberos support compiled in\n");
648 d_printf("Max of 2 usernames\n");
651 fstrcpy(username
[got_pass
],optarg
);
652 p
= strchr_m(username
[got_pass
],'%');
655 fstrcpy(password
[got_pass
], p
+1);
660 lock_range
= strtol(optarg
, NULL
, 0);
663 lock_base
= strtol(optarg
, NULL
, 0);
666 min_length
= strtol(optarg
, NULL
, 0);
672 hide_unlock_fails
= True
;
675 numops
= atoi(optarg
);
690 exact_error_codes
= True
;
696 printf("Unknown option %c (%d)\n", (char)opt
, opt
);
701 if(use_kerberos
&& !got_user
) got_pass
= True
;
706 DEBUG(0,("seed=%u\n", seed
));