Commit | Line | Data |
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059ec3d9 PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
3386088d | 5 | /* Copyright (c) University of Cambridge 1995 - 2015 */ |
059ec3d9 PH |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
7 | ||
8 | ||
9 | /* This single source file is used to compile three utility programs for | |
10 | maintaining Exim hints databases. | |
11 | ||
12 | exim_dumpdb dumps out the contents | |
13 | exim_fixdb patches the database (really for Exim maintenance/testing) | |
14 | exim_tidydb removed obsolete data | |
15 | ||
16 | In all cases, the first argument is the name of the spool directory. The second | |
17 | argument is the name of the database file. The available names are: | |
18 | ||
19 | retry: retry delivery information | |
20 | misc: miscellaneous hints data | |
21 | wait-<t>: message waiting information; <t> is a transport name | |
22 | callout: callout verification cache | |
23 | ||
24 | There are a number of common subroutines, followed by three main programs, | |
25 | whose inclusion is controlled by -D on the compilation command. */ | |
26 | ||
27 | ||
c99ce5c9 | 28 | #include "exim.h" |
059ec3d9 PH |
29 | |
30 | ||
31 | /* Identifiers for the different database types. */ | |
32 | ||
870f6ba8 TF |
33 | #define type_retry 1 |
34 | #define type_wait 2 | |
35 | #define type_misc 3 | |
36 | #define type_callout 4 | |
37 | #define type_ratelimit 5 | |
059ec3d9 PH |
38 | |
39 | ||
c99ce5c9 TF |
40 | /* This is used by our cut-down dbfn_open(). */ |
41 | ||
42 | uschar *spool_directory; | |
43 | ||
059ec3d9 PH |
44 | |
45 | ||
46 | /************************************************* | |
47 | * Berkeley DB error callback * | |
48 | *************************************************/ | |
49 | ||
50 | /* For Berkeley DB >= 2, we can define a function to be called in case of DB | |
51 | errors. This should help with debugging strange DB problems, e.g. getting "File | |
1f922db1 | 52 | exists" when you try to open a db file. The API changed at release 4.3. */ |
059ec3d9 PH |
53 | |
54 | #if defined(USE_DB) && defined(DB_VERSION_STRING) | |
55 | void | |
1f922db1 PH |
56 | #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3) |
57 | dbfn_bdb_error_callback(const DB_ENV *dbenv, const char *pfx, const char *msg) | |
58 | { | |
59 | dbenv = dbenv; | |
60 | #else | |
059ec3d9 PH |
61 | dbfn_bdb_error_callback(const char *pfx, char *msg) |
62 | { | |
1f922db1 | 63 | #endif |
059ec3d9 PH |
64 | pfx = pfx; |
65 | printf("Berkeley DB error: %s\n", msg); | |
66 | } | |
67 | #endif | |
68 | ||
69 | ||
70 | ||
71 | /************************************************* | |
72 | * SIGALRM handler * | |
73 | *************************************************/ | |
74 | ||
c99ce5c9 | 75 | SIGNAL_BOOL sigalrm_seen; |
059ec3d9 PH |
76 | |
77 | void | |
78 | sigalrm_handler(int sig) | |
79 | { | |
80 | sig = sig; /* Keep picky compilers happy */ | |
81 | sigalrm_seen = 1; | |
82 | } | |
83 | ||
84 | ||
85 | ||
86 | /************************************************* | |
87 | * Output usage message and exit * | |
88 | *************************************************/ | |
89 | ||
90 | static void | |
91 | usage(uschar *name, uschar *options) | |
92 | { | |
93 | printf("Usage: exim_%s%s <spool-directory> <database-name>\n", name, options); | |
870f6ba8 | 94 | printf(" <database-name> = retry | misc | wait-<transport-name> | callout | ratelimit\n"); |
059ec3d9 PH |
95 | exit(1); |
96 | } | |
97 | ||
98 | ||
99 | ||
100 | /************************************************* | |
101 | * Sort out the command arguments * | |
102 | *************************************************/ | |
103 | ||
104 | /* This function checks that there are exactly 2 arguments, and checks the | |
105 | second of them to be sure it is a known database name. */ | |
106 | ||
107 | static int | |
108 | check_args(int argc, uschar **argv, uschar *name, uschar *options) | |
109 | { | |
110 | if (argc == 3) | |
111 | { | |
112 | if (Ustrcmp(argv[2], "retry") == 0) return type_retry; | |
113 | if (Ustrcmp(argv[2], "misc") == 0) return type_misc; | |
114 | if (Ustrncmp(argv[2], "wait-", 5) == 0) return type_wait; | |
115 | if (Ustrcmp(argv[2], "callout") == 0) return type_callout; | |
870f6ba8 | 116 | if (Ustrcmp(argv[2], "ratelimit") == 0) return type_ratelimit; |
059ec3d9 PH |
117 | } |
118 | usage(name, options); | |
119 | return -1; /* Never obeyed */ | |
120 | } | |
121 | ||
122 | ||
123 | ||
124 | /************************************************* | |
125 | * Handle attempts to write the log * | |
126 | *************************************************/ | |
127 | ||
128 | /* The message gets written to stderr when log_write() is called from a | |
129 | utility. The message always gets '\n' added on the end of it. These calls come | |
130 | from modules such as store.c when things go drastically wrong (e.g. malloc() | |
131 | failing). In normal use they won't get obeyed. | |
132 | ||
133 | Arguments: | |
134 | selector not relevant when running a utility | |
135 | flags not relevant when running a utility | |
136 | format a printf() format | |
137 | ... arguments for format | |
138 | ||
139 | Returns: nothing | |
140 | */ | |
141 | ||
142 | void | |
c99ce5c9 | 143 | log_write(unsigned int selector, int flags, const char *format, ...) |
059ec3d9 PH |
144 | { |
145 | va_list ap; | |
146 | va_start(ap, format); | |
147 | vfprintf(stderr, format, ap); | |
148 | fprintf(stderr, "\n"); | |
149 | va_end(ap); | |
150 | selector = selector; /* Keep picky compilers happy */ | |
151 | flags = flags; | |
152 | } | |
153 | ||
154 | ||
155 | ||
156 | /************************************************* | |
157 | * Format a time value for printing * | |
158 | *************************************************/ | |
159 | ||
160 | static uschar time_buffer[sizeof("09-xxx-1999 hh:mm:ss ")]; | |
161 | ||
162 | uschar * | |
163 | print_time(time_t t) | |
164 | { | |
165 | struct tm *tmstr = localtime(&t); | |
166 | Ustrftime(time_buffer, sizeof(time_buffer), "%d-%b-%Y %H:%M:%S", tmstr); | |
167 | return time_buffer; | |
168 | } | |
169 | ||
170 | ||
171 | ||
172 | /************************************************* | |
173 | * Format a cache value for printing * | |
174 | *************************************************/ | |
175 | ||
176 | uschar * | |
177 | print_cache(int value) | |
178 | { | |
179 | return (value == ccache_accept)? US"accept" : | |
180 | (value == ccache_reject)? US"reject" : | |
181 | US"unknown"; | |
182 | } | |
183 | ||
184 | ||
185 | #ifdef EXIM_FIXDB | |
186 | /************************************************* | |
187 | * Read time value * | |
188 | *************************************************/ | |
189 | ||
190 | static time_t | |
191 | read_time(uschar *s) | |
192 | { | |
193 | uschar *t = s; | |
194 | int field = 0; | |
195 | int value; | |
196 | time_t now = time(NULL); | |
197 | struct tm *tm = localtime(&now); | |
198 | ||
199 | tm->tm_sec = 0; | |
200 | tm->tm_isdst = -1; | |
201 | ||
202 | for (t = s + Ustrlen(s) - 1; t >= s; t--) | |
203 | { | |
204 | if (*t == ':') continue; | |
205 | if (!isdigit((uschar)*t)) return -1; | |
206 | ||
207 | value = *t - '0'; | |
208 | if (--t >= s) | |
209 | { | |
210 | if (!isdigit((uschar)*t)) return -1; | |
211 | value = value + (*t - '0')*10; | |
212 | } | |
213 | ||
214 | switch (field++) | |
215 | { | |
216 | case 0: tm->tm_min = value; break; | |
217 | case 1: tm->tm_hour = value; break; | |
218 | case 2: tm->tm_mday = value; break; | |
219 | case 3: tm->tm_mon = value - 1; break; | |
220 | case 4: tm->tm_year = (value < 90)? value + 100 : value; break; | |
221 | default: return -1; | |
222 | } | |
223 | } | |
224 | ||
225 | return mktime(tm); | |
226 | } | |
227 | #endif /* EXIM_FIXDB */ | |
228 | ||
229 | ||
230 | ||
231 | /************************************************* | |
232 | * Open and lock a database file * | |
233 | *************************************************/ | |
234 | ||
235 | /* This is a cut-down version from the function in dbfn.h that Exim itself | |
236 | uses. We assume the database exists, and therefore give up if we cannot open | |
237 | the lock file. | |
238 | ||
239 | Arguments: | |
059ec3d9 PH |
240 | name The single-component name of one of Exim's database files. |
241 | flags O_RDONLY or O_RDWR | |
242 | dbblock Points to an open_db block to be filled in. | |
c99ce5c9 | 243 | lof Unused. |
059ec3d9 PH |
244 | |
245 | Returns: NULL if the open failed, or the locking failed. | |
246 | On success, dbblock is returned. This contains the dbm pointer and | |
247 | the fd of the locked lock file. | |
248 | */ | |
249 | ||
c99ce5c9 TF |
250 | open_db * |
251 | dbfn_open(uschar *name, int flags, open_db *dbblock, BOOL lof) | |
059ec3d9 PH |
252 | { |
253 | int rc; | |
254 | struct flock lock_data; | |
255 | BOOL read_only = flags == O_RDONLY; | |
256 | uschar buffer[256]; | |
257 | ||
258 | /* The first thing to do is to open a separate file on which to lock. This | |
259 | ensures that Exim has exclusive use of the database before it even tries to | |
260 | open it. If there is a database, there should be a lock file in existence. */ | |
261 | ||
c99ce5c9 | 262 | sprintf(CS buffer, "%s/db/%s.lockfile", spool_directory, name); |
059ec3d9 PH |
263 | |
264 | dbblock->lockfd = Uopen(buffer, flags, 0); | |
265 | if (dbblock->lockfd < 0) | |
266 | { | |
267 | printf("** Failed to open database lock file %s: %s\n", buffer, | |
268 | strerror(errno)); | |
269 | return NULL; | |
270 | } | |
271 | ||
272 | /* Now we must get a lock on the opened lock file; do this with a blocking | |
273 | lock that times out. */ | |
274 | ||
275 | lock_data.l_type = read_only? F_RDLCK : F_WRLCK; | |
276 | lock_data.l_whence = lock_data.l_start = lock_data.l_len = 0; | |
277 | ||
278 | sigalrm_seen = FALSE; | |
279 | os_non_restarting_signal(SIGALRM, sigalrm_handler); | |
280 | alarm(EXIMDB_LOCK_TIMEOUT); | |
281 | rc = fcntl(dbblock->lockfd, F_SETLKW, &lock_data); | |
282 | alarm(0); | |
283 | ||
284 | if (sigalrm_seen) errno = ETIMEDOUT; | |
285 | if (rc < 0) | |
286 | { | |
287 | printf("** Failed to get %s lock for %s: %s", | |
288 | ((flags & O_RDONLY) != 0)? "read" : "write", buffer, | |
289 | (errno == ETIMEDOUT)? "timed out" : strerror(errno)); | |
f1e894f3 | 290 | (void)close(dbblock->lockfd); |
059ec3d9 PH |
291 | return NULL; |
292 | } | |
293 | ||
294 | /* At this point we have an opened and locked separate lock file, that is, | |
295 | exclusive access to the database, so we can go ahead and open it. */ | |
296 | ||
c99ce5c9 | 297 | sprintf(CS buffer, "%s/db/%s", spool_directory, name); |
059ec3d9 PH |
298 | EXIM_DBOPEN(buffer, flags, 0, &(dbblock->dbptr)); |
299 | ||
300 | if (dbblock->dbptr == NULL) | |
301 | { | |
302 | printf("** Failed to open DBM file %s for %s:\n %s%s\n", buffer, | |
303 | read_only? "reading" : "writing", strerror(errno), | |
304 | #ifdef USE_DB | |
305 | " (or Berkeley DB error while opening)" | |
306 | #else | |
307 | "" | |
308 | #endif | |
309 | ); | |
f1e894f3 | 310 | (void)close(dbblock->lockfd); |
059ec3d9 PH |
311 | return NULL; |
312 | } | |
313 | ||
314 | return dbblock; | |
315 | } | |
316 | ||
317 | ||
318 | ||
319 | ||
320 | /************************************************* | |
321 | * Unlock and close a database file * | |
322 | *************************************************/ | |
323 | ||
324 | /* Closing a file automatically unlocks it, so after closing the database, just | |
325 | close the lock file. | |
326 | ||
327 | Argument: a pointer to an open database block | |
328 | Returns: nothing | |
329 | */ | |
330 | ||
c99ce5c9 | 331 | void |
059ec3d9 PH |
332 | dbfn_close(open_db *dbblock) |
333 | { | |
334 | EXIM_DBCLOSE(dbblock->dbptr); | |
f1e894f3 | 335 | (void)close(dbblock->lockfd); |
059ec3d9 PH |
336 | } |
337 | ||
338 | ||
339 | ||
340 | ||
341 | /************************************************* | |
342 | * Read from database file * | |
343 | *************************************************/ | |
344 | ||
345 | /* Passing back the pointer unchanged is useless, because there is no guarantee | |
346 | of alignment. Since all the records used by Exim need to be properly aligned to | |
347 | pick out the timestamps, etc., do the copying centrally here. | |
348 | ||
349 | Arguments: | |
350 | dbblock a pointer to an open database block | |
351 | key the key of the record to be read | |
352 | length where to put the length (or NULL if length not wanted) | |
353 | ||
354 | Returns: a pointer to the retrieved record, or | |
355 | NULL if the record is not found | |
356 | */ | |
357 | ||
c99ce5c9 | 358 | void * |
55414b25 | 359 | dbfn_read_with_length(open_db *dbblock, const uschar *key, int *length) |
059ec3d9 PH |
360 | { |
361 | void *yield; | |
362 | EXIM_DATUM key_datum, result_datum; | |
55414b25 JH |
363 | int klen = Ustrlen(key) + 1; |
364 | uschar * key_copy = store_get(klen); | |
365 | ||
366 | memcpy(key_copy, key, klen); | |
059ec3d9 PH |
367 | |
368 | EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */ | |
369 | EXIM_DATUM_INIT(result_datum); /* to be cleared before use. */ | |
55414b25 JH |
370 | EXIM_DATUM_DATA(key_datum) = CS key_copy; |
371 | EXIM_DATUM_SIZE(key_datum) = klen; | |
059ec3d9 PH |
372 | |
373 | if (!EXIM_DBGET(dbblock->dbptr, key_datum, result_datum)) return NULL; | |
374 | ||
375 | yield = store_get(EXIM_DATUM_SIZE(result_datum)); | |
376 | memcpy(yield, EXIM_DATUM_DATA(result_datum), EXIM_DATUM_SIZE(result_datum)); | |
377 | if (length != NULL) *length = EXIM_DATUM_SIZE(result_datum); | |
378 | ||
379 | EXIM_DATUM_FREE(result_datum); /* Some DBM libs require freeing */ | |
380 | return yield; | |
381 | } | |
382 | ||
383 | ||
384 | ||
385 | #if defined(EXIM_TIDYDB) || defined(EXIM_FIXDB) | |
386 | ||
387 | /************************************************* | |
388 | * Write to database file * | |
389 | *************************************************/ | |
390 | ||
391 | /* | |
392 | Arguments: | |
393 | dbblock a pointer to an open database block | |
394 | key the key of the record to be written | |
395 | ptr a pointer to the record to be written | |
396 | length the length of the record to be written | |
397 | ||
398 | Returns: the yield of the underlying dbm or db "write" function. If this | |
399 | is dbm, the value is zero for OK. | |
400 | */ | |
401 | ||
c99ce5c9 | 402 | int |
55414b25 | 403 | dbfn_write(open_db *dbblock, const uschar *key, void *ptr, int length) |
059ec3d9 PH |
404 | { |
405 | EXIM_DATUM key_datum, value_datum; | |
406 | dbdata_generic *gptr = (dbdata_generic *)ptr; | |
55414b25 JH |
407 | int klen = Ustrlen(key) + 1; |
408 | uschar * key_copy = store_get(klen); | |
409 | ||
410 | memcpy(key_copy, key, klen); | |
059ec3d9 PH |
411 | gptr->time_stamp = time(NULL); |
412 | ||
413 | EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */ | |
414 | EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */ | |
55414b25 JH |
415 | EXIM_DATUM_DATA(key_datum) = CS key_copy; |
416 | EXIM_DATUM_SIZE(key_datum) = klen; | |
059ec3d9 PH |
417 | EXIM_DATUM_DATA(value_datum) = CS ptr; |
418 | EXIM_DATUM_SIZE(value_datum) = length; | |
419 | return EXIM_DBPUT(dbblock->dbptr, key_datum, value_datum); | |
420 | } | |
421 | ||
422 | ||
423 | ||
424 | /************************************************* | |
425 | * Delete record from database file * | |
426 | *************************************************/ | |
427 | ||
428 | /* | |
429 | Arguments: | |
430 | dbblock a pointer to an open database block | |
431 | key the key of the record to be deleted | |
432 | ||
433 | Returns: the yield of the underlying dbm or db "delete" function. | |
434 | */ | |
435 | ||
c99ce5c9 | 436 | int |
55414b25 | 437 | dbfn_delete(open_db *dbblock, const uschar *key) |
059ec3d9 | 438 | { |
55414b25 JH |
439 | int klen = Ustrlen(key) + 1; |
440 | uschar * key_copy = store_get(klen); | |
441 | ||
442 | memcpy(key_copy, key, klen); | |
059ec3d9 PH |
443 | EXIM_DATUM key_datum; |
444 | EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require clearing */ | |
55414b25 JH |
445 | EXIM_DATUM_DATA(key_datum) = CS key_copy; |
446 | EXIM_DATUM_SIZE(key_datum) = klen; | |
059ec3d9 PH |
447 | return EXIM_DBDEL(dbblock->dbptr, key_datum); |
448 | } | |
449 | ||
450 | #endif /* EXIM_TIDYDB || EXIM_FIXDB */ | |
451 | ||
452 | ||
453 | ||
454 | #if defined(EXIM_DUMPDB) || defined(EXIM_TIDYDB) | |
455 | /************************************************* | |
456 | * Scan the keys of a database file * | |
457 | *************************************************/ | |
458 | ||
459 | /* | |
460 | Arguments: | |
461 | dbblock a pointer to an open database block | |
462 | start TRUE if starting a new scan | |
463 | FALSE if continuing with the current scan | |
464 | cursor a pointer to a pointer to a cursor anchor, for those dbm libraries | |
465 | that use the notion of a cursor | |
466 | ||
467 | Returns: the next record from the file, or | |
468 | NULL if there are no more | |
469 | */ | |
470 | ||
c99ce5c9 | 471 | uschar * |
059ec3d9 PH |
472 | dbfn_scan(open_db *dbblock, BOOL start, EXIM_CURSOR **cursor) |
473 | { | |
474 | EXIM_DATUM key_datum, value_datum; | |
475 | uschar *yield; | |
476 | value_datum = value_datum; /* dummy; not all db libraries use this */ | |
477 | ||
478 | /* Some dbm require an initialization */ | |
479 | ||
480 | if (start) EXIM_DBCREATE_CURSOR(dbblock->dbptr, cursor); | |
481 | ||
482 | EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */ | |
483 | EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */ | |
484 | ||
485 | yield = (EXIM_DBSCAN(dbblock->dbptr, key_datum, value_datum, start, *cursor))? | |
486 | US EXIM_DATUM_DATA(key_datum) : NULL; | |
487 | ||
488 | /* Some dbm require a termination */ | |
489 | ||
490 | if (!yield) EXIM_DBDELETE_CURSOR(*cursor); | |
491 | return yield; | |
492 | } | |
493 | #endif /* EXIM_DUMPDB || EXIM_TIDYDB */ | |
494 | ||
495 | ||
496 | ||
497 | #ifdef EXIM_DUMPDB | |
498 | /************************************************* | |
499 | * The exim_dumpdb main program * | |
500 | *************************************************/ | |
501 | ||
502 | int | |
503 | main(int argc, char **cargv) | |
504 | { | |
505 | int dbdata_type = 0; | |
506 | int yield = 0; | |
507 | open_db dbblock; | |
508 | open_db *dbm; | |
509 | EXIM_CURSOR *cursor; | |
510 | uschar **argv = USS cargv; | |
511 | uschar *key; | |
512 | uschar keybuffer[1024]; | |
513 | ||
514 | /* Check the arguments, and open the database */ | |
515 | ||
516 | dbdata_type = check_args(argc, argv, US"dumpdb", US""); | |
c99ce5c9 TF |
517 | spool_directory = argv[1]; |
518 | dbm = dbfn_open(argv[2], O_RDONLY, &dbblock, FALSE); | |
059ec3d9 PH |
519 | if (dbm == NULL) exit(1); |
520 | ||
521 | /* Scan the file, formatting the information for each entry. Note | |
522 | that data is returned in a malloc'ed block, in order that it be | |
523 | correctly aligned. */ | |
524 | ||
525 | key = dbfn_scan(dbm, TRUE, &cursor); | |
526 | while (key != NULL) | |
527 | { | |
528 | dbdata_retry *retry; | |
529 | dbdata_wait *wait; | |
530 | dbdata_callout_cache *callout; | |
870f6ba8 | 531 | dbdata_ratelimit *ratelimit; |
c99ce5c9 | 532 | dbdata_ratelimit_unique *rate_unique; |
059ec3d9 PH |
533 | int count_bad = 0; |
534 | int i, length; | |
535 | uschar *t; | |
536 | uschar name[MESSAGE_ID_LENGTH + 1]; | |
537 | void *value; | |
538 | ||
539 | /* Keep a copy of the key separate, as in some DBM's the pointer is into data | |
540 | which might change. */ | |
541 | ||
542 | if (Ustrlen(key) > sizeof(keybuffer) - 1) | |
543 | { | |
544 | printf("**** Overlong key encountered: %s\n", key); | |
545 | return 1; | |
546 | } | |
547 | Ustrcpy(keybuffer, key); | |
548 | value = dbfn_read_with_length(dbm, keybuffer, &length); | |
549 | ||
550 | if (value == NULL) | |
551 | fprintf(stderr, "**** Entry \"%s\" was in the key scan, but the record " | |
552 | "was not found in the file - something is wrong!\n", | |
553 | CS keybuffer); | |
554 | else | |
555 | { | |
556 | /* Note: don't use print_time more than once in one statement, since | |
557 | it uses a single buffer. */ | |
558 | ||
559 | switch(dbdata_type) | |
560 | { | |
561 | case type_retry: | |
562 | retry = (dbdata_retry *)value; | |
563 | printf(" %s %d %d %s\n%s ", keybuffer, retry->basic_errno, | |
564 | retry->more_errno, retry->text, | |
565 | print_time(retry->first_failed)); | |
566 | printf("%s ", print_time(retry->last_try)); | |
567 | printf("%s %s\n", print_time(retry->next_try), | |
568 | (retry->expired)? "*" : ""); | |
569 | break; | |
570 | ||
571 | case type_wait: | |
572 | wait = (dbdata_wait *)value; | |
573 | printf("%s ", keybuffer); | |
574 | t = wait->text; | |
575 | name[MESSAGE_ID_LENGTH] = 0; | |
576 | ||
577 | if (wait->count > WAIT_NAME_MAX) | |
578 | { | |
579 | fprintf(stderr, | |
580 | "**** Data for %s corrupted\n count=%d=0x%x max=%d\n", | |
581 | CS keybuffer, wait->count, wait->count, WAIT_NAME_MAX); | |
582 | wait->count = WAIT_NAME_MAX; | |
583 | yield = count_bad = 1; | |
584 | } | |
585 | for (i = 1; i <= wait->count; i++) | |
586 | { | |
587 | Ustrncpy(name, t, MESSAGE_ID_LENGTH); | |
588 | if (count_bad && name[0] == 0) break; | |
589 | if (Ustrlen(name) != MESSAGE_ID_LENGTH || | |
590 | Ustrspn(name, "0123456789" | |
591 | "abcdefghijklmnopqrstuvwxyz" | |
592 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ-") != MESSAGE_ID_LENGTH) | |
593 | { | |
594 | int j; | |
595 | fprintf(stderr, | |
596 | "**** Data for %s corrupted: bad character in message id\n", | |
597 | CS keybuffer); | |
598 | for (j = 0; j < MESSAGE_ID_LENGTH; j++) | |
599 | fprintf(stderr, "%02x ", name[j]); | |
600 | fprintf(stderr, "\n"); | |
601 | yield = 1; | |
602 | break; | |
603 | } | |
604 | printf("%s ", name); | |
605 | t += MESSAGE_ID_LENGTH; | |
606 | } | |
607 | printf("\n"); | |
608 | break; | |
609 | ||
610 | case type_misc: | |
611 | printf("%s %s\n", print_time(((dbdata_generic *)value)->time_stamp), | |
612 | keybuffer); | |
613 | break; | |
614 | ||
615 | case type_callout: | |
616 | callout = (dbdata_callout_cache *)value; | |
617 | ||
618 | /* New-style address record */ | |
619 | ||
620 | if (length == sizeof(dbdata_callout_cache_address)) | |
621 | { | |
622 | printf("%s %s callout=%s\n", | |
623 | print_time(((dbdata_generic *)value)->time_stamp), | |
624 | keybuffer, | |
625 | print_cache(callout->result)); | |
626 | } | |
627 | ||
628 | /* New-style domain record */ | |
629 | ||
630 | else if (length == sizeof(dbdata_callout_cache)) | |
631 | { | |
632 | printf("%s %s callout=%s postmaster=%s", | |
633 | print_time(((dbdata_generic *)value)->time_stamp), | |
634 | keybuffer, | |
635 | print_cache(callout->result), | |
636 | print_cache(callout->postmaster_result)); | |
637 | if (callout->postmaster_result != ccache_unknown) | |
638 | printf(" (%s)", print_time(callout->postmaster_stamp)); | |
639 | printf(" random=%s", print_cache(callout->random_result)); | |
640 | if (callout->random_result != ccache_unknown) | |
641 | printf(" (%s)", print_time(callout->random_stamp)); | |
642 | printf("\n"); | |
643 | } | |
644 | ||
870f6ba8 TF |
645 | break; |
646 | ||
647 | case type_ratelimit: | |
c99ce5c9 TF |
648 | if (Ustrstr(key, "/unique/") != NULL && length >= sizeof(*rate_unique)) |
649 | { | |
650 | ratelimit = (dbdata_ratelimit *)value; | |
651 | rate_unique = (dbdata_ratelimit_unique *)value; | |
652 | printf("%s.%06d rate: %10.3f epoch: %s size: %u key: %s\n", | |
653 | print_time(ratelimit->time_stamp), | |
654 | ratelimit->time_usec, ratelimit->rate, | |
655 | print_time(rate_unique->bloom_epoch), rate_unique->bloom_size, | |
656 | keybuffer); | |
657 | } | |
658 | else | |
659 | { | |
660 | ratelimit = (dbdata_ratelimit *)value; | |
661 | printf("%s.%06d rate: %10.3f key: %s\n", | |
662 | print_time(ratelimit->time_stamp), | |
663 | ratelimit->time_usec, ratelimit->rate, | |
664 | keybuffer); | |
665 | } | |
059ec3d9 PH |
666 | break; |
667 | } | |
668 | store_reset(value); | |
669 | } | |
670 | key = dbfn_scan(dbm, FALSE, &cursor); | |
671 | } | |
672 | ||
673 | dbfn_close(dbm); | |
674 | return yield; | |
675 | } | |
676 | ||
677 | #endif /* EXIM_DUMPDB */ | |
678 | ||
679 | ||
680 | ||
681 | ||
682 | #ifdef EXIM_FIXDB | |
683 | /************************************************* | |
684 | * The exim_fixdb main program * | |
685 | *************************************************/ | |
686 | ||
687 | /* In order not to hold the database lock any longer than is necessary, each | |
688 | operation on the database uses a separate open/close call. This is expensive, | |
689 | but then using this utility is not expected to be very common. Its main use is | |
690 | to provide a way of patching up hints databases in order to run tests. | |
691 | ||
692 | Syntax of commands: | |
693 | ||
694 | (1) <record name> | |
695 | This causes the data from the given record to be displayed, or "not found" | |
696 | to be output. Note that in the retry database, destination names are | |
697 | preceded by R: or T: for router or transport retry info. | |
698 | ||
699 | (2) <record name> d | |
700 | This causes the given record to be deleted or "not found" to be output. | |
701 | ||
702 | (3) <record name> <field number> <value> | |
703 | This sets the given value into the given field, identified by a number | |
704 | which is output by the display command. Not all types of record can | |
705 | be changed. | |
706 | ||
707 | (4) q | |
708 | This exits from exim_fixdb. | |
709 | ||
710 | If the record name is omitted from (2) or (3), the previously used record name | |
711 | is re-used. */ | |
712 | ||
713 | ||
714 | int main(int argc, char **cargv) | |
715 | { | |
716 | int dbdata_type; | |
717 | uschar **argv = USS cargv; | |
718 | uschar buffer[256]; | |
719 | uschar name[256]; | |
720 | void *reset_point = store_get(0); | |
721 | ||
722 | name[0] = 0; /* No name set */ | |
723 | ||
724 | /* Sort out the database type, verify what we are working on and then process | |
725 | user requests */ | |
726 | ||
727 | dbdata_type = check_args(argc, argv, US"fixdb", US""); | |
728 | printf("Modifying Exim hints database %s/db/%s\n", argv[1], argv[2]); | |
729 | ||
730 | for(;;) | |
731 | { | |
732 | open_db dbblock; | |
733 | open_db *dbm; | |
734 | void *record; | |
735 | dbdata_retry *retry; | |
736 | dbdata_wait *wait; | |
737 | dbdata_callout_cache *callout; | |
870f6ba8 | 738 | dbdata_ratelimit *ratelimit; |
c99ce5c9 | 739 | dbdata_ratelimit_unique *rate_unique; |
059ec3d9 PH |
740 | int i, oldlength; |
741 | uschar *t; | |
742 | uschar field[256], value[256]; | |
743 | ||
744 | store_reset(reset_point); | |
745 | ||
746 | printf("> "); | |
747 | if (Ufgets(buffer, 256, stdin) == NULL) break; | |
748 | ||
749 | buffer[Ustrlen(buffer)-1] = 0; | |
750 | field[0] = value[0] = 0; | |
751 | ||
752 | /* If the buffer contains just one digit, or just consists of "d", use the | |
753 | previous name for an update. */ | |
754 | ||
2695e54e | 755 | if ((isdigit((uschar)buffer[0]) && (buffer[1] == ' ' || buffer[1] == '\0')) |
2e88a017 | 756 | || Ustrcmp(buffer, "d") == 0) |
059ec3d9 PH |
757 | { |
758 | if (name[0] == 0) | |
759 | { | |
760 | printf("No previous record name is set\n"); | |
761 | continue; | |
762 | } | |
ff790e47 | 763 | (void)sscanf(CS buffer, "%s %s", field, value); |
059ec3d9 PH |
764 | } |
765 | else | |
766 | { | |
767 | name[0] = 0; | |
ff790e47 | 768 | (void)sscanf(CS buffer, "%s %s %s", name, field, value); |
059ec3d9 PH |
769 | } |
770 | ||
771 | /* Handle an update request */ | |
772 | ||
773 | if (field[0] != 0) | |
774 | { | |
775 | int verify = 1; | |
c99ce5c9 TF |
776 | spool_directory = argv[1]; |
777 | dbm = dbfn_open(argv[2], O_RDWR, &dbblock, FALSE); | |
059ec3d9 PH |
778 | if (dbm == NULL) continue; |
779 | ||
780 | if (Ustrcmp(field, "d") == 0) | |
781 | { | |
782 | if (value[0] != 0) printf("unexpected value after \"d\"\n"); | |
783 | else printf("%s\n", (dbfn_delete(dbm, name) < 0)? | |
784 | "not found" : "deleted"); | |
785 | dbfn_close(dbm); | |
786 | continue; | |
787 | } | |
788 | ||
789 | else if (isdigit((uschar)field[0])) | |
790 | { | |
791 | int fieldno = Uatoi(field); | |
792 | if (value[0] == 0) | |
793 | { | |
794 | printf("value missing\n"); | |
795 | dbfn_close(dbm); | |
796 | continue; | |
797 | } | |
798 | else | |
799 | { | |
800 | record = dbfn_read_with_length(dbm, name, &oldlength); | |
801 | if (record == NULL) printf("not found\n"); else | |
802 | { | |
803 | time_t tt; | |
804 | int length = 0; /* Stops compiler warning */ | |
805 | ||
806 | switch(dbdata_type) | |
807 | { | |
808 | case type_retry: | |
809 | retry = (dbdata_retry *)record; | |
810 | length = sizeof(dbdata_retry) + Ustrlen(retry->text); | |
811 | ||
812 | switch(fieldno) | |
813 | { | |
814 | case 0: | |
815 | retry->basic_errno = Uatoi(value); | |
816 | break; | |
817 | ||
818 | case 1: | |
819 | retry->more_errno = Uatoi(value); | |
820 | break; | |
821 | ||
822 | case 2: | |
823 | if ((tt = read_time(value)) > 0) retry->first_failed = tt; | |
824 | else printf("bad time value\n"); | |
825 | break; | |
826 | ||
827 | case 3: | |
828 | if ((tt = read_time(value)) > 0) retry->last_try = tt; | |
829 | else printf("bad time value\n"); | |
830 | break; | |
831 | ||
832 | case 4: | |
833 | if ((tt = read_time(value)) > 0) retry->next_try = tt; | |
834 | else printf("bad time value\n"); | |
835 | break; | |
836 | ||
837 | case 5: | |
838 | if (Ustrcmp(value, "yes") == 0) retry->expired = TRUE; | |
839 | else if (Ustrcmp(value, "no") == 0) retry->expired = FALSE; | |
840 | else printf("\"yes\" or \"no\" expected=n"); | |
841 | break; | |
842 | ||
843 | default: | |
844 | printf("unknown field number\n"); | |
845 | verify = 0; | |
846 | break; | |
847 | } | |
848 | break; | |
849 | ||
850 | case type_wait: | |
851 | printf("Can't change contents of wait database record\n"); | |
852 | break; | |
853 | ||
854 | case type_misc: | |
855 | printf("Can't change contents of misc database record\n"); | |
856 | break; | |
857 | ||
858 | case type_callout: | |
859 | callout = (dbdata_callout_cache *)record; | |
860 | length = sizeof(dbdata_callout_cache); | |
861 | switch(fieldno) | |
862 | { | |
863 | case 0: | |
864 | callout->result = Uatoi(value); | |
865 | break; | |
866 | ||
867 | case 1: | |
868 | callout->postmaster_result = Uatoi(value); | |
869 | break; | |
870 | ||
871 | case 2: | |
872 | callout->random_result = Uatoi(value); | |
873 | break; | |
874 | ||
875 | default: | |
876 | printf("unknown field number\n"); | |
877 | verify = 0; | |
878 | break; | |
879 | } | |
880 | break; | |
870f6ba8 TF |
881 | |
882 | case type_ratelimit: | |
2e88a017 | 883 | ratelimit = (dbdata_ratelimit *)record; |
870f6ba8 TF |
884 | switch(fieldno) |
885 | { | |
886 | case 0: | |
887 | if ((tt = read_time(value)) > 0) ratelimit->time_stamp = tt; | |
888 | else printf("bad time value\n"); | |
889 | break; | |
890 | ||
891 | case 1: | |
892 | ratelimit->time_usec = Uatoi(value); | |
2e88a017 | 893 | break; |
870f6ba8 TF |
894 | |
895 | case 2: | |
896 | ratelimit->rate = Ustrtod(value, NULL); | |
897 | break; | |
898 | ||
c99ce5c9 TF |
899 | case 3: |
900 | if (Ustrstr(name, "/unique/") != NULL | |
901 | && oldlength >= sizeof(dbdata_ratelimit_unique)) | |
902 | { | |
903 | rate_unique = (dbdata_ratelimit_unique *)record; | |
904 | if ((tt = read_time(value)) > 0) rate_unique->bloom_epoch = tt; | |
905 | else printf("bad time value\n"); | |
906 | break; | |
907 | } | |
908 | /* else fall through */ | |
909 | ||
910 | case 4: | |
911 | case 5: | |
912 | if (Ustrstr(name, "/unique/") != NULL | |
913 | && oldlength >= sizeof(dbdata_ratelimit_unique)) | |
914 | { | |
915 | /* see acl.c */ | |
916 | BOOL seen; | |
917 | unsigned n, hash, hinc; | |
918 | uschar md5sum[16]; | |
919 | md5 md5info; | |
920 | md5_start(&md5info); | |
921 | md5_end(&md5info, value, Ustrlen(value), md5sum); | |
922 | hash = md5sum[0] << 0 | md5sum[1] << 8 | |
923 | | md5sum[2] << 16 | md5sum[3] << 24; | |
924 | hinc = md5sum[4] << 0 | md5sum[5] << 8 | |
925 | | md5sum[6] << 16 | md5sum[7] << 24; | |
926 | rate_unique = (dbdata_ratelimit_unique *)record; | |
927 | seen = TRUE; | |
928 | for (n = 0; n < 8; n++, hash += hinc) | |
929 | { | |
930 | int bit = 1 << (hash % 8); | |
931 | int byte = (hash / 8) % rate_unique->bloom_size; | |
932 | if ((rate_unique->bloom[byte] & bit) == 0) | |
933 | { | |
934 | seen = FALSE; | |
935 | if (fieldno == 5) rate_unique->bloom[byte] |= bit; | |
936 | } | |
937 | } | |
938 | printf("%s %s\n", | |
939 | seen ? "seen" : fieldno == 5 ? "added" : "unseen", value); | |
940 | break; | |
941 | } | |
942 | /* else fall through */ | |
943 | ||
870f6ba8 TF |
944 | default: |
945 | printf("unknown field number\n"); | |
946 | verify = 0; | |
947 | break; | |
948 | } | |
949 | break; | |
059ec3d9 PH |
950 | } |
951 | ||
c99ce5c9 | 952 | dbfn_write(dbm, name, record, oldlength); |
059ec3d9 PH |
953 | } |
954 | } | |
955 | } | |
956 | ||
957 | else | |
958 | { | |
959 | printf("field number or d expected\n"); | |
960 | verify = 0; | |
961 | } | |
962 | ||
963 | dbfn_close(dbm); | |
964 | if (!verify) continue; | |
965 | } | |
966 | ||
967 | /* The "name" q causes an exit */ | |
968 | ||
969 | else if (Ustrcmp(name, "q") == 0) return 0; | |
970 | ||
971 | /* Handle a read request, or verify after an update. */ | |
972 | ||
c99ce5c9 TF |
973 | spool_directory = argv[1]; |
974 | dbm = dbfn_open(argv[2], O_RDONLY, &dbblock, FALSE); | |
059ec3d9 PH |
975 | if (dbm == NULL) continue; |
976 | ||
977 | record = dbfn_read_with_length(dbm, name, &oldlength); | |
978 | if (record == NULL) | |
979 | { | |
980 | printf("record %s not found\n", name); | |
981 | name[0] = 0; | |
982 | } | |
983 | else | |
984 | { | |
985 | int count_bad = 0; | |
986 | printf("%s\n", CS print_time(((dbdata_generic *)record)->time_stamp)); | |
987 | switch(dbdata_type) | |
988 | { | |
989 | case type_retry: | |
990 | retry = (dbdata_retry *)record; | |
991 | printf("0 error number: %d %s\n", retry->basic_errno, retry->text); | |
992 | printf("1 extra data: %d\n", retry->more_errno); | |
993 | printf("2 first failed: %s\n", print_time(retry->first_failed)); | |
994 | printf("3 last try: %s\n", print_time(retry->last_try)); | |
995 | printf("4 next try: %s\n", print_time(retry->next_try)); | |
996 | printf("5 expired: %s\n", (retry->expired)? "yes" : "no"); | |
997 | break; | |
998 | ||
999 | case type_wait: | |
1000 | wait = (dbdata_wait *)record; | |
1001 | t = wait->text; | |
1002 | printf("Sequence: %d\n", wait->sequence); | |
1003 | if (wait->count > WAIT_NAME_MAX) | |
1004 | { | |
1005 | printf("**** Data corrupted: count=%d=0x%x max=%d ****\n", wait->count, | |
1006 | wait->count, WAIT_NAME_MAX); | |
1007 | wait->count = WAIT_NAME_MAX; | |
1008 | count_bad = 1; | |
1009 | } | |
1010 | for (i = 1; i <= wait->count; i++) | |
1011 | { | |
1012 | Ustrncpy(value, t, MESSAGE_ID_LENGTH); | |
1013 | value[MESSAGE_ID_LENGTH] = 0; | |
1014 | if (count_bad && value[0] == 0) break; | |
1015 | if (Ustrlen(value) != MESSAGE_ID_LENGTH || | |
1016 | Ustrspn(value, "0123456789" | |
1017 | "abcdefghijklmnopqrstuvwxyz" | |
1018 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ-") != MESSAGE_ID_LENGTH) | |
1019 | { | |
1020 | int j; | |
1021 | printf("\n**** Data corrupted: bad character in message id ****\n"); | |
1022 | for (j = 0; j < MESSAGE_ID_LENGTH; j++) | |
1023 | printf("%02x ", value[j]); | |
1024 | printf("\n"); | |
1025 | break; | |
1026 | } | |
1027 | printf("%s ", value); | |
1028 | t += MESSAGE_ID_LENGTH; | |
1029 | } | |
1030 | printf("\n"); | |
1031 | break; | |
1032 | ||
1033 | case type_misc: | |
1034 | break; | |
1035 | ||
1036 | case type_callout: | |
1037 | callout = (dbdata_callout_cache *)record; | |
1038 | printf("0 callout: %s (%d)\n", print_cache(callout->result), | |
1039 | callout->result); | |
1040 | if (oldlength > sizeof(dbdata_callout_cache_address)) | |
1041 | { | |
1042 | printf("1 postmaster: %s (%d)\n", print_cache(callout->postmaster_result), | |
1043 | callout->postmaster_result); | |
1044 | printf("2 random: %s (%d)\n", print_cache(callout->random_result), | |
1045 | callout->random_result); | |
1046 | } | |
1047 | break; | |
870f6ba8 TF |
1048 | |
1049 | case type_ratelimit: | |
2e88a017 | 1050 | ratelimit = (dbdata_ratelimit *)record; |
870f6ba8 TF |
1051 | printf("0 time stamp: %s\n", print_time(ratelimit->time_stamp)); |
1052 | printf("1 fract. time: .%06d\n", ratelimit->time_usec); | |
1053 | printf("2 sender rate: % .3f\n", ratelimit->rate); | |
c99ce5c9 TF |
1054 | if (Ustrstr(name, "/unique/") != NULL |
1055 | && oldlength >= sizeof(dbdata_ratelimit_unique)) | |
1056 | { | |
1057 | rate_unique = (dbdata_ratelimit_unique *)record; | |
1058 | printf("3 filter epoch: %s\n", print_time(rate_unique->bloom_epoch)); | |
1059 | printf("4 test filter membership\n"); | |
1060 | printf("5 add element to filter\n"); | |
1061 | } | |
870f6ba8 | 1062 | break; |
059ec3d9 PH |
1063 | } |
1064 | } | |
1065 | ||
1066 | /* The database is closed after each request */ | |
1067 | ||
1068 | dbfn_close(dbm); | |
1069 | } | |
1070 | ||
1071 | printf("\n"); | |
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | #endif /* EXIM_FIXDB */ | |
1076 | ||
1077 | ||
1078 | ||
1079 | #ifdef EXIM_TIDYDB | |
1080 | /************************************************* | |
1081 | * The exim_tidydb main program * | |
1082 | *************************************************/ | |
1083 | ||
1084 | ||
1085 | /* Utility program to tidy the contents of an exim database file. There is one | |
1086 | option: | |
1087 | ||
1088 | -t <time> expiry time for old records - default 30 days | |
1089 | ||
1090 | For backwards compatibility, an -f option is recognized and ignored. (It used | |
1091 | to request a "full" tidy. This version always does the whole job.) */ | |
1092 | ||
1093 | ||
1094 | typedef struct key_item { | |
1095 | struct key_item *next; | |
1096 | uschar key[1]; | |
1097 | } key_item; | |
1098 | ||
1099 | ||
1100 | int main(int argc, char **cargv) | |
1101 | { | |
1102 | struct stat statbuf; | |
1103 | int maxkeep = 30 * 24 * 60 * 60; | |
1104 | int dbdata_type, i, oldest, path_len; | |
1105 | key_item *keychain = NULL; | |
1106 | void *reset_point; | |
1107 | open_db dbblock; | |
1108 | open_db *dbm; | |
1109 | EXIM_CURSOR *cursor; | |
1110 | uschar **argv = USS cargv; | |
1111 | uschar buffer[256]; | |
1112 | uschar *key; | |
1113 | ||
1114 | /* Scan the options */ | |
1115 | ||
1116 | for (i = 1; i < argc; i++) | |
1117 | { | |
1118 | if (argv[i][0] != '-') break; | |
1119 | if (Ustrcmp(argv[i], "-f") == 0) continue; | |
1120 | if (Ustrcmp(argv[i], "-t") == 0) | |
1121 | { | |
1122 | uschar *s; | |
1123 | s = argv[++i]; | |
1124 | maxkeep = 0; | |
1125 | while (*s != 0) | |
1126 | { | |
1127 | int value, count; | |
1128 | if (!isdigit(*s)) usage(US"tidydb", US" [-t <time>]"); | |
1129 | (void)sscanf(CS s, "%d%n", &value, &count); | |
1130 | s += count; | |
1131 | switch (*s) | |
1132 | { | |
1133 | case 'w': value *= 7; | |
1134 | case 'd': value *= 24; | |
1135 | case 'h': value *= 60; | |
1136 | case 'm': value *= 60; | |
1137 | case 's': s++; | |
1138 | break; | |
1139 | default: usage(US"tidydb", US" [-t <time>]"); | |
1140 | } | |
1141 | maxkeep += value; | |
1142 | } | |
1143 | } | |
1144 | else usage(US"tidydb", US" [-t <time>]"); | |
1145 | } | |
1146 | ||
1147 | /* Adjust argument values and process arguments */ | |
1148 | ||
1149 | argc -= --i; | |
1150 | argv += i; | |
1151 | ||
1152 | dbdata_type = check_args(argc, argv, US"tidydb", US" [-t <time>]"); | |
1153 | ||
1154 | /* Compute the oldest keep time, verify what we are doing, and open the | |
1155 | database */ | |
1156 | ||
1157 | oldest = time(NULL) - maxkeep; | |
1158 | printf("Tidying Exim hints database %s/db/%s\n", argv[1], argv[2]); | |
1159 | ||
c99ce5c9 TF |
1160 | spool_directory = argv[1]; |
1161 | dbm = dbfn_open(argv[2], O_RDWR, &dbblock, FALSE); | |
059ec3d9 PH |
1162 | if (dbm == NULL) exit(1); |
1163 | ||
1164 | /* Prepare for building file names */ | |
1165 | ||
1166 | sprintf(CS buffer, "%s/input/", argv[1]); | |
1167 | path_len = Ustrlen(buffer); | |
1168 | ||
1169 | ||
1170 | /* It appears, by experiment, that it is a bad idea to make changes | |
1171 | to the file while scanning it. Pity the man page doesn't warn you about that. | |
1172 | Therefore, we scan and build a list of all the keys. Then we use that to | |
1173 | read the records and possibly update them. */ | |
1174 | ||
1175 | key = dbfn_scan(dbm, TRUE, &cursor); | |
1176 | while (key != NULL) | |
1177 | { | |
1178 | key_item *k = store_get(sizeof(key_item) + Ustrlen(key)); | |
1179 | k->next = keychain; | |
1180 | keychain = k; | |
1181 | Ustrcpy(k->key, key); | |
1182 | key = dbfn_scan(dbm, FALSE, &cursor); | |
1183 | } | |
1184 | ||
1185 | /* Now scan the collected keys and operate on the records, resetting | |
1186 | the store each time round. */ | |
1187 | ||
1188 | reset_point = store_get(0); | |
1189 | ||
1190 | while (keychain != NULL) | |
1191 | { | |
1192 | dbdata_generic *value; | |
1193 | ||
1194 | store_reset(reset_point); | |
1195 | key = keychain->key; | |
1196 | keychain = keychain->next; | |
1197 | value = dbfn_read_with_length(dbm, key, NULL); | |
1198 | ||
1199 | /* A continuation record may have been deleted or renamed already, so | |
1200 | non-existence is not serious. */ | |
1201 | ||
1202 | if (value == NULL) continue; | |
1203 | ||
1204 | /* Delete if too old */ | |
1205 | ||
1206 | if (value->time_stamp < oldest) | |
1207 | { | |
1208 | printf("deleted %s (too old)\n", key); | |
1209 | dbfn_delete(dbm, key); | |
1210 | continue; | |
1211 | } | |
1212 | ||
1213 | /* Do database-specific tidying for wait databases, and message- | |
1214 | specific tidying for the retry database. */ | |
1215 | ||
1216 | if (dbdata_type == type_wait) | |
1217 | { | |
1218 | dbdata_wait *wait = (dbdata_wait *)value; | |
1219 | BOOL update = FALSE; | |
1220 | ||
1221 | /* Leave corrupt records alone */ | |
1222 | ||
1223 | if (wait->count > WAIT_NAME_MAX) | |
1224 | { | |
1225 | printf("**** Data for %s corrupted\n count=%d=0x%x max=%d\n", | |
1226 | key, wait->count, wait->count, WAIT_NAME_MAX); | |
1227 | continue; | |
1228 | } | |
1229 | ||
1230 | /* Loop for renamed continuation records. For each message id, | |
1231 | check to see if the message exists, and if not, remove its entry | |
1232 | from the record. Because of the possibility of split input directories, | |
1233 | we must look in both possible places for a -D file. */ | |
1234 | ||
1235 | for (;;) | |
1236 | { | |
1237 | int offset; | |
1238 | int length = wait->count * MESSAGE_ID_LENGTH; | |
1239 | ||
1240 | for (offset = length - MESSAGE_ID_LENGTH; | |
1241 | offset >= 0; offset -= MESSAGE_ID_LENGTH) | |
1242 | { | |
1243 | Ustrncpy(buffer+path_len, wait->text + offset, MESSAGE_ID_LENGTH); | |
1244 | sprintf(CS(buffer+path_len + MESSAGE_ID_LENGTH), "-D"); | |
1245 | ||
1246 | if (Ustat(buffer, &statbuf) != 0) | |
1247 | { | |
1248 | buffer[path_len] = wait->text[offset+5]; | |
1249 | buffer[path_len+1] = '/'; | |
1250 | Ustrncpy(buffer+path_len+2, wait->text + offset, MESSAGE_ID_LENGTH); | |
1251 | sprintf(CS(buffer+path_len+2 + MESSAGE_ID_LENGTH), "-D"); | |
1252 | ||
1253 | if (Ustat(buffer, &statbuf) != 0) | |
1254 | { | |
1255 | int left = length - offset - MESSAGE_ID_LENGTH; | |
1256 | if (left > 0) Ustrncpy(wait->text + offset, | |
1257 | wait->text + offset + MESSAGE_ID_LENGTH, left); | |
1258 | wait->count--; | |
1259 | length -= MESSAGE_ID_LENGTH; | |
1260 | update = TRUE; | |
1261 | } | |
1262 | } | |
1263 | } | |
1264 | ||
1265 | /* If record is empty and the main record, either delete it or rename | |
1266 | the next continuation, repeating if that is also empty. */ | |
1267 | ||
1268 | if (wait->count == 0 && Ustrchr(key, ':') == NULL) | |
1269 | { | |
1270 | while (wait->count == 0 && wait->sequence > 0) | |
1271 | { | |
1272 | uschar newkey[256]; | |
1273 | dbdata_generic *newvalue; | |
1274 | sprintf(CS newkey, "%s:%d", key, wait->sequence - 1); | |
1275 | newvalue = dbfn_read_with_length(dbm, newkey, NULL); | |
1276 | if (newvalue != NULL) | |
1277 | { | |
1278 | value = newvalue; | |
1279 | wait = (dbdata_wait *)newvalue; | |
1280 | dbfn_delete(dbm, newkey); | |
1281 | printf("renamed %s\n", newkey); | |
1282 | update = TRUE; | |
1283 | } | |
1284 | else wait->sequence--; | |
1285 | } | |
1286 | ||
1287 | /* If we have ended up with an empty main record, delete it | |
1288 | and break the loop. Otherwise the new record will be scanned. */ | |
1289 | ||
1290 | if (wait->count == 0 && wait->sequence == 0) | |
1291 | { | |
1292 | dbfn_delete(dbm, key); | |
1293 | printf("deleted %s (empty)\n", key); | |
1294 | update = FALSE; | |
1295 | break; | |
1296 | } | |
1297 | } | |
1298 | ||
1299 | /* If not an empty main record, break the loop */ | |
1300 | ||
1301 | else break; | |
1302 | } | |
1303 | ||
1304 | /* Re-write the record if required */ | |
1305 | ||
1306 | if (update) | |
1307 | { | |
1308 | printf("updated %s\n", key); | |
1309 | dbfn_write(dbm, key, wait, sizeof(dbdata_wait) + | |
1310 | wait->count * MESSAGE_ID_LENGTH); | |
1311 | } | |
1312 | } | |
1313 | ||
1314 | /* If a retry record's key ends with a message-id, check that that message | |
1315 | still exists; if not, remove this record. */ | |
1316 | ||
1317 | else if (dbdata_type == type_retry) | |
1318 | { | |
1319 | uschar *id; | |
1320 | int len = Ustrlen(key); | |
1321 | ||
1322 | if (len < MESSAGE_ID_LENGTH + 1) continue; | |
1323 | id = key + len - MESSAGE_ID_LENGTH - 1; | |
1324 | if (*id++ != ':') continue; | |
1325 | ||
1326 | for (i = 0; i < MESSAGE_ID_LENGTH; i++) | |
1327 | { | |
1328 | if (i == 6 || i == 13) | |
1329 | { if (id[i] != '-') break; } | |
1330 | else | |
1331 | { if (!isalnum(id[i])) break; } | |
1332 | } | |
1333 | if (i < MESSAGE_ID_LENGTH) continue; | |
1334 | ||
1335 | Ustrncpy(buffer + path_len, id, MESSAGE_ID_LENGTH); | |
1336 | sprintf(CS(buffer + path_len + MESSAGE_ID_LENGTH), "-D"); | |
1337 | ||
1338 | if (Ustat(buffer, &statbuf) != 0) | |
1339 | { | |
0ec020ea PH |
1340 | sprintf(CS(buffer + path_len), "%c/%s-D", id[5], id); |
1341 | if (Ustat(buffer, &statbuf) != 0) | |
1342 | { | |
1343 | dbfn_delete(dbm, key); | |
1344 | printf("deleted %s (no message)\n", key); | |
1345 | } | |
059ec3d9 PH |
1346 | } |
1347 | } | |
1348 | } | |
1349 | ||
1350 | dbfn_close(dbm); | |
1351 | printf("Tidying complete\n"); | |
1352 | return 0; | |
1353 | } | |
1354 | ||
1355 | #endif /* EXIM_TIDYDB */ | |
1356 | ||
1357 | /* End of exim_dbutil.c */ |