s4-dns: dlz_bind9: Fix ipv6 updates
[samba.git] / source3 / torture / locktest2.c
1 /* 
2    Unix SMB/CIFS implementation.
3    byte range lock tester - with local filesystem support
4    Copyright (C) Andrew Tridgell 1999
5    
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.
10    
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.
15    
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/>.
18 */
19
20 #include "includes.h"
21 #include "libsmb/libsmb.h"
22 #include "system/filesys.h"
23 #include "locking/proto.h"
24
25 static fstring password;
26 static fstring username;
27 static int got_pass;
28 static int numops = 1000;
29 static bool showall;
30 static bool analyze;
31 static bool hide_unlock_fails;
32 static bool use_oplocks;
33
34 extern char *optarg;
35 extern int optind;
36
37 #define FILENAME "\\locktest.dat"
38 #define LOCKRANGE 100
39 #define LOCKBASE 0
40
41 /*
42 #define LOCKBASE (0x40000000 - 50)
43 */
44
45 #define READ_PCT 50
46 #define LOCK_PCT 25
47 #define UNLOCK_PCT 65
48 #define RANGE_MULTIPLE 1
49
50 #define NSERVERS 2
51 #define NCONNECTIONS 2
52 #define NUMFSTYPES 2
53 #define NFILES 2
54 #define LOCK_TIMEOUT 0
55
56 #define FSTYPE_SMB 0
57 #define FSTYPE_NFS 1
58
59 struct record {
60         char r1, r2;
61         char conn, f, fstype;
62         unsigned start, len;
63         char needed;
64 };
65
66 static struct record *recorded;
67
68 static int try_open(struct cli_state *c, char *nfs, int fstype, const char *fname, int flags)
69 {
70         char *path;
71
72         switch (fstype) {
73         case FSTYPE_SMB:
74                 {
75                         uint16_t fd;
76                         if (!NT_STATUS_IS_OK(cli_openx(c, fname, flags, DENY_NONE, &fd))) {
77                                 return -1;
78                         }
79                         return fd;
80                 }
81
82         case FSTYPE_NFS:
83                 if (asprintf(&path, "%s%s", nfs, fname) > 0) {
84                         int ret;
85                         string_replace(path,'\\', '/');
86                         ret = open(path, flags, 0666);
87                         SAFE_FREE(path);
88                         return ret;
89                 }
90                 break;
91         }
92
93         return -1;
94 }
95
96 static bool try_close(struct cli_state *c, int fstype, int fd)
97 {
98         switch (fstype) {
99         case FSTYPE_SMB:
100                 return NT_STATUS_IS_OK(cli_close(c, fd));
101
102         case FSTYPE_NFS:
103                 return close(fd) == 0;
104         }
105
106         return False;
107 }
108
109 static bool try_lock(struct cli_state *c, int fstype, 
110                      int fd, unsigned start, unsigned len,
111                      enum brl_type op)
112 {
113         struct flock lock;
114
115         switch (fstype) {
116         case FSTYPE_SMB:
117                 return NT_STATUS_IS_OK(cli_lock32(c, fd, start, len,
118                                        LOCK_TIMEOUT, op));
119
120         case FSTYPE_NFS:
121                 lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
122                 lock.l_whence = SEEK_SET;
123                 lock.l_start = start;
124                 lock.l_len = len;
125                 lock.l_pid = getpid();
126                 return fcntl(fd,F_SETLK,&lock) == 0;
127         }
128
129         return False;
130 }
131
132 static bool try_unlock(struct cli_state *c, int fstype, 
133                        int fd, unsigned start, unsigned len)
134 {
135         struct flock lock;
136
137         switch (fstype) {
138         case FSTYPE_SMB:
139                 return NT_STATUS_IS_OK(cli_unlock(c, fd, start, len));
140
141         case FSTYPE_NFS:
142                 lock.l_type = F_UNLCK;
143                 lock.l_whence = SEEK_SET;
144                 lock.l_start = start;
145                 lock.l_len = len;
146                 lock.l_pid = getpid();
147                 return fcntl(fd,F_SETLK,&lock) == 0;
148         }
149
150         return False;
151 }       
152
153 static void print_brl(struct file_id id, struct server_id pid, 
154                       enum brl_type lock_type,
155                       enum brl_flavour lock_flav,
156                       br_off start, br_off size,
157                       void *private_data)
158 {
159         printf("%6d   %s    %s  %.0f:%.0f(%.0f)\n", 
160                (int)procid_to_pid(&pid), file_id_string_tos(&id),
161                lock_type==READ_LOCK?"R":"W",
162                (double)start, (double)start+size-1,(double)size);
163
164 }
165
166 /***************************************************** 
167 return a connection to a server
168 *******************************************************/
169 static struct cli_state *connect_one(char *share)
170 {
171         struct cli_state *c;
172         char *server_n;
173         fstring server;
174         fstring myname;
175         static int count;
176         NTSTATUS nt_status;
177
178         fstrcpy(server,share+2);
179         share = strchr_m(server,'\\');
180         if (!share) return NULL;
181         *share = 0;
182         share++;
183
184         server_n = server;
185         
186         if (!got_pass) {
187                 char pwd[256] = {0};
188                 int rc;
189
190                 rc = samba_getpass("Password: ", pwd, sizeof(pwd), false, false);
191                 if (rc == 0) {
192                         fstrcpy(password, pwd);
193                 }
194         }
195
196         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
197
198         nt_status = cli_full_connection(&c, myname, server_n, NULL, 0, share, "?????", 
199                                         username, lp_workgroup(), password, 0,
200                                         SMB_SIGNING_DEFAULT);
201
202         if (!NT_STATUS_IS_OK(nt_status)) {
203                 DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status)));
204                 return NULL;
205         }
206
207         c->use_oplocks = use_oplocks;
208
209         return c;
210 }
211
212
213 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
214                       char *nfs[NSERVERS], 
215                       int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
216                       char *share1, char *share2)
217 {
218         int server, conn, f, fstype;
219         char *share[2];
220         share[0] = share1;
221         share[1] = share2;
222
223         fstype = FSTYPE_SMB;
224
225         for (server=0;server<NSERVERS;server++)
226         for (conn=0;conn<NCONNECTIONS;conn++) {
227                 if (cli[server][conn]) {
228                         for (f=0;f<NFILES;f++) {
229                                 cli_close(cli[server][conn], fnum[server][fstype][conn][f]);
230                         }
231                         cli_ulogoff(cli[server][conn]);
232                         cli_shutdown(cli[server][conn]);
233                 }
234                 cli[server][conn] = connect_one(share[server]);
235                 if (!cli[server][conn]) {
236                         DEBUG(0,("Failed to connect to %s\n", share[server]));
237                         exit(1);
238                 }
239         }
240 }
241
242
243
244 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
245                      char *nfs[NSERVERS],
246                      int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
247                      struct record *rec)
248 {
249         unsigned conn = rec->conn;
250         unsigned f = rec->f;
251         unsigned fstype = rec->fstype;
252         unsigned start = rec->start;
253         unsigned len = rec->len;
254         unsigned r1 = rec->r1;
255         unsigned r2 = rec->r2;
256         enum brl_type op;
257         int server;
258         bool ret[NSERVERS];
259
260         if (r1 < READ_PCT) {
261                 op = READ_LOCK; 
262         } else {
263                 op = WRITE_LOCK; 
264         }
265
266         if (r2 < LOCK_PCT) {
267                 /* set a lock */
268                 for (server=0;server<NSERVERS;server++) {
269                         ret[server] = try_lock(cli[server][conn], fstype,
270                                                fnum[server][fstype][conn][f],
271                                                start, len, op);
272                 }
273                 if (showall || ret[0] != ret[1]) {
274                         printf("lock   conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
275                                conn, fstype, f, 
276                                start, start+len-1, len,
277                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
278                                ret[0], ret[1]);
279                 }
280                 if (showall) brl_forall(print_brl, NULL);
281                 if (ret[0] != ret[1]) return False;
282         } else if (r2 < LOCK_PCT+UNLOCK_PCT) {
283                 /* unset a lock */
284                 for (server=0;server<NSERVERS;server++) {
285                         ret[server] = try_unlock(cli[server][conn], fstype,
286                                                  fnum[server][fstype][conn][f],
287                                                  start, len);
288                 }
289                 if (showall || (!hide_unlock_fails && (ret[0] != ret[1]))) {
290                         printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u)       -> %u:%u\n",
291                                conn, fstype, f, 
292                                start, start+len-1, len,
293                                ret[0], ret[1]);
294                 }
295                 if (showall) brl_forall(print_brl, NULL);
296                 if (!hide_unlock_fails && ret[0] != ret[1]) return False;
297         } else {
298                 /* reopen the file */
299                 for (server=0;server<NSERVERS;server++) {
300                         try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
301                         fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
302                                                                  O_RDWR|O_CREAT);
303                         if (fnum[server][fstype][conn][f] == -1) {
304                                 printf("failed to reopen on share1\n");
305                                 return False;
306                         }
307                 }
308                 if (showall) {
309                         printf("reopen conn=%u fstype=%u f=%u\n",
310                                conn, fstype, f);
311                         brl_forall(print_brl, NULL);
312                 }
313         }
314         return True;
315 }
316
317 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
318                         char *nfs[NSERVERS],
319                         int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
320 {
321         int server, conn, f, fstype; 
322
323         for (server=0;server<NSERVERS;server++)
324         for (fstype=0;fstype<NUMFSTYPES;fstype++)
325         for (conn=0;conn<NCONNECTIONS;conn++)
326         for (f=0;f<NFILES;f++) {
327                 if (fnum[server][fstype][conn][f] != -1) {
328                         try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
329                         fnum[server][fstype][conn][f] = -1;
330                 }
331         }
332         for (server=0;server<NSERVERS;server++) {
333                 cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
334         }
335 }
336
337 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
338                        char *nfs[NSERVERS],
339                        int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
340 {
341         int server, fstype, conn, f; 
342
343         for (server=0;server<NSERVERS;server++)
344         for (fstype=0;fstype<NUMFSTYPES;fstype++)
345         for (conn=0;conn<NCONNECTIONS;conn++)
346         for (f=0;f<NFILES;f++) {
347                 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
348                                                          O_RDWR|O_CREAT);
349                 if (fnum[server][fstype][conn][f] == -1) {
350                         fprintf(stderr,"Failed to open fnum[%u][%u][%u][%u]\n",
351                                 server, fstype, conn, f);
352                         exit(1);
353                 }
354         }
355 }
356
357
358 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
359                   char *nfs[NSERVERS],
360                   int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
361                   int n)
362 {
363         int i;
364         printf("testing %u ...\n", n);
365         for (i=0; i<n; i++) {
366                 if (i && i % 100 == 0) {
367                         printf("%u\n", i);
368                 }
369
370                 if (recorded[i].needed &&
371                     !test_one(cli, nfs, fnum, &recorded[i])) return i;
372         }
373         return n;
374 }
375
376
377 /* each server has two connections open to it. Each connection has two file
378    descriptors open on the file - 8 file descriptors in total 
379
380    we then do random locking ops in tamdem on the 4 fnums from each
381    server and ensure that the results match
382  */
383 static void test_locks(char *share1, char *share2, char *nfspath1, char *nfspath2)
384 {
385         struct cli_state *cli[NSERVERS][NCONNECTIONS];
386         char *nfs[NSERVERS];
387         int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
388         int n, i, n1; 
389
390         nfs[0] = nfspath1;
391         nfs[1] = nfspath2;
392
393         ZERO_STRUCT(fnum);
394         ZERO_STRUCT(cli);
395
396         recorded = SMB_MALLOC_ARRAY(struct record, numops);
397
398         for (n=0; n<numops; n++) {
399                 recorded[n].conn = random() % NCONNECTIONS;
400                 recorded[n].fstype = random() % NUMFSTYPES;
401                 recorded[n].f = random() % NFILES;
402                 recorded[n].start = LOCKBASE + ((unsigned)random() % (LOCKRANGE-1));
403                 recorded[n].len = 1 + 
404                         random() % (LOCKRANGE-(recorded[n].start-LOCKBASE));
405                 recorded[n].start *= RANGE_MULTIPLE;
406                 recorded[n].len *= RANGE_MULTIPLE;
407                 recorded[n].r1 = random() % 100;
408                 recorded[n].r2 = random() % 100;
409                 recorded[n].needed = True;
410         }
411
412         reconnect(cli, nfs, fnum, share1, share2);
413         open_files(cli, nfs, fnum);
414         n = retest(cli, nfs, fnum, numops);
415
416         if (n == numops || !analyze) return;
417         n++;
418
419         while (1) {
420                 n1 = n;
421
422                 close_files(cli, nfs, fnum);
423                 reconnect(cli, nfs, fnum, share1, share2);
424                 open_files(cli, nfs, fnum);
425
426                 for (i=0;i<n-1;i++) {
427                         int m;
428                         recorded[i].needed = False;
429
430                         close_files(cli, nfs, fnum);
431                         open_files(cli, nfs, fnum);
432
433                         m = retest(cli, nfs, fnum, n);
434                         if (m == n) {
435                                 recorded[i].needed = True;
436                         } else {
437                                 if (i < m) {
438                                         memmove(&recorded[i], &recorded[i+1],
439                                                 (m-i)*sizeof(recorded[0]));
440                                 }
441                                 n = m;
442                                 i--;
443                         }
444                 }
445
446                 if (n1 == n) break;
447         }
448
449         close_files(cli, nfs, fnum);
450         reconnect(cli, nfs, fnum, share1, share2);
451         open_files(cli, nfs, fnum);
452         showall = True;
453         n1 = retest(cli, nfs, fnum, n);
454         if (n1 != n-1) {
455                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
456         }
457         close_files(cli, nfs, fnum);
458
459         for (i=0;i<n;i++) {
460                 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
461                        recorded[i].r1,
462                        recorded[i].r2,
463                        recorded[i].conn,
464                        recorded[i].fstype,
465                        recorded[i].f,
466                        recorded[i].start,
467                        recorded[i].len,
468                        recorded[i].needed);
469         }       
470 }
471
472
473
474 static void usage(void)
475 {
476         printf(
477 "Usage:\n\
478   locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
479   options:\n\
480         -U user%%pass\n\
481         -s seed\n\
482         -o numops\n\
483         -u          hide unlock fails\n\
484         -a          (show all ops)\n\
485         -O          use oplocks\n\
486 ");
487 }
488
489 /****************************************************************************
490   main program
491 ****************************************************************************/
492  int main(int argc,char *argv[])
493 {
494         char *share1, *share2, *nfspath1, *nfspath2;
495         int opt;
496         char *p;
497         int seed;
498
499         setlinebuf(stdout);
500
501         if (argc < 5 || argv[1][0] == '-') {
502                 usage();
503                 exit(1);
504         }
505
506         setup_logging(argv[0], DEBUG_STDOUT);
507
508         share1 = argv[1];
509         share2 = argv[2];
510         nfspath1 = argv[3];
511         nfspath2 = argv[4];
512
513         all_string_sub(share1,"/","\\",0);
514         all_string_sub(share2,"/","\\",0);
515
516         argc -= 4;
517         argv += 4;
518
519         lp_load_global(get_dyn_CONFIGFILE());
520         load_interfaces();
521
522         if (getenv("USER")) {
523                 fstrcpy(username,getenv("USER"));
524         }
525
526         seed = time(NULL);
527
528         while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
529                 switch (opt) {
530                 case 'U':
531                         fstrcpy(username,optarg);
532                         p = strchr_m(username,'%');
533                         if (p) {
534                                 *p = 0;
535                                 fstrcpy(password, p+1);
536                                 got_pass = 1;
537                         }
538                         break;
539                 case 's':
540                         seed = atoi(optarg);
541                         break;
542                 case 'u':
543                         hide_unlock_fails = True;
544                         break;
545                 case 'o':
546                         numops = atoi(optarg);
547                         break;
548                 case 'O':
549                         use_oplocks = True;
550                         break;
551                 case 'a':
552                         showall = True;
553                         break;
554                 case 'A':
555                         analyze = True;
556                         break;
557                 case 'h':
558                         usage();
559                         exit(1);
560                 default:
561                         printf("Unknown option %c (%d)\n", (char)opt, opt);
562                         exit(1);
563                 }
564         }
565
566         argc -= optind;
567         argv += optind;
568
569         DEBUG(0,("seed=%u\n", seed));
570         srandom(seed);
571
572         locking_init_readonly();
573         test_locks(share1, share2, nfspath1, nfspath2);
574
575         return(0);
576 }