Diffstat (limited to 'kmicromail/libetpan/generic/maildirdriver.c') (more/less context) (ignore whitespace changes)
-rw-r--r-- | kmicromail/libetpan/generic/maildirdriver.c | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/kmicromail/libetpan/generic/maildirdriver.c b/kmicromail/libetpan/generic/maildirdriver.c new file mode 100644 index 0000000..7830ceb --- a/dev/null +++ b/kmicromail/libetpan/generic/maildirdriver.c | |||
@@ -0,0 +1,625 @@ | |||
1 | /* | ||
2 | * libEtPan! -- a mail stuff library | ||
3 | * | ||
4 | * Copyright (C) 2001, 2002 - DINH Viet Hoa | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * Redistribution and use in source and binary forms, with or without | ||
8 | * modification, are permitted provided that the following conditions | ||
9 | * are met: | ||
10 | * 1. Redistributions of source code must retain the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer. | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in the | ||
14 | * documentation and/or other materials provided with the distribution. | ||
15 | * 3. Neither the name of the libEtPan! project nor the names of its | ||
16 | * contributors may be used to endorse or promote products derived | ||
17 | * from this software without specific prior written permission. | ||
18 | * | ||
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
29 | * SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | /* | ||
33 | * $Id$ | ||
34 | */ | ||
35 | |||
36 | |||
37 | /* | ||
38 | flags directory MUST be kept so that we can have other flags | ||
39 | than standards | ||
40 | */ | ||
41 | |||
42 | #include "maildirdriver.h" | ||
43 | |||
44 | #include <stdio.h> | ||
45 | #include <sys/types.h> | ||
46 | #include <dirent.h> | ||
47 | #include <unistd.h> | ||
48 | #include <sys/stat.h> | ||
49 | #include <ctype.h> | ||
50 | #include <fcntl.h> | ||
51 | #include <sys/mman.h> | ||
52 | #include <stdlib.h> | ||
53 | #include <string.h> | ||
54 | |||
55 | #include "maildir.h" | ||
56 | #include "maildriver_tools.h" | ||
57 | #include "maildirdriver_message.h" | ||
58 | #include "maildirdriver_tools.h" | ||
59 | #include "mailmessage.h" | ||
60 | #include "generic_cache.h" | ||
61 | |||
62 | static int initialize(mailsession * session); | ||
63 | |||
64 | static void uninitialize(mailsession * session); | ||
65 | |||
66 | static int connect_path(mailsession * session, char * path); | ||
67 | |||
68 | static int logout(mailsession * session); | ||
69 | |||
70 | static int expunge_folder(mailsession * session); | ||
71 | |||
72 | static int status_folder(mailsession * session, char * mb, | ||
73 | uint32_t * result_messages, uint32_t * result_recent, | ||
74 | uint32_t * result_unseen); | ||
75 | |||
76 | static int recent_number(mailsession * session, char * mb, | ||
77 | uint32_t * result); | ||
78 | |||
79 | static int unseen_number(mailsession * session, char * mb, | ||
80 | uint32_t * result); | ||
81 | |||
82 | static int messages_number(mailsession * session, char * mb, | ||
83 | uint32_t * result); | ||
84 | |||
85 | static int append_message(mailsession * session, | ||
86 | char * message, size_t size); | ||
87 | |||
88 | static int get_messages_list(mailsession * session, | ||
89 | struct mailmessage_list ** result); | ||
90 | |||
91 | static int get_envelopes_list(mailsession * session, | ||
92 | struct mailmessage_list * env_list); | ||
93 | |||
94 | static int check_folder(mailsession * session); | ||
95 | |||
96 | static int get_message_by_uid(mailsession * session, | ||
97 | const char * uid, mailmessage ** result); | ||
98 | |||
99 | static mailsession_driver local_maildir_session_driver = { | ||
100 | .sess_name = "maildir", | ||
101 | |||
102 | .sess_initialize = initialize, | ||
103 | .sess_uninitialize = uninitialize, | ||
104 | |||
105 | .sess_parameters = NULL, | ||
106 | |||
107 | .sess_connect_stream = NULL, | ||
108 | .sess_connect_path = connect_path, | ||
109 | .sess_starttls = NULL, | ||
110 | .sess_login = NULL, | ||
111 | .sess_logout = logout, | ||
112 | .sess_noop = NULL, | ||
113 | |||
114 | .sess_build_folder_name = NULL, | ||
115 | .sess_create_folder = NULL, | ||
116 | .sess_delete_folder = NULL, | ||
117 | .sess_rename_folder = NULL, | ||
118 | .sess_check_folder = check_folder, | ||
119 | .sess_examine_folder = NULL, | ||
120 | .sess_select_folder = NULL, | ||
121 | .sess_expunge_folder = expunge_folder, | ||
122 | .sess_status_folder = status_folder, | ||
123 | .sess_messages_number = messages_number, | ||
124 | .sess_recent_number = recent_number, | ||
125 | .sess_unseen_number = unseen_number, | ||
126 | .sess_list_folders = NULL, | ||
127 | .sess_lsub_folders = NULL, | ||
128 | .sess_subscribe_folder = NULL, | ||
129 | .sess_unsubscribe_folder = NULL, | ||
130 | |||
131 | .sess_append_message = append_message, | ||
132 | .sess_copy_message = NULL, | ||
133 | .sess_move_message = NULL, | ||
134 | |||
135 | .sess_get_messages_list = get_messages_list, | ||
136 | .sess_get_envelopes_list = get_envelopes_list, | ||
137 | .sess_remove_message = NULL, | ||
138 | #if 0 | ||
139 | .sess_search_messages = maildriver_generic_search_messages, | ||
140 | #endif | ||
141 | |||
142 | .sess_get_message = NULL, | ||
143 | .sess_get_message_by_uid = get_message_by_uid, | ||
144 | }; | ||
145 | |||
146 | mailsession_driver * maildir_session_driver = &local_maildir_session_driver; | ||
147 | |||
148 | |||
149 | static int flags_store_process(struct maildir * md, | ||
150 | struct mail_flags_store * flags_store); | ||
151 | |||
152 | |||
153 | static inline struct maildir_session_state_data * get_data(mailsession * session) | ||
154 | { | ||
155 | return session->sess_data; | ||
156 | } | ||
157 | |||
158 | static struct maildir * get_maildir_session(mailsession * session) | ||
159 | { | ||
160 | return get_data(session)->md_session; | ||
161 | } | ||
162 | |||
163 | static int initialize(mailsession * session) | ||
164 | { | ||
165 | struct maildir_session_state_data * data; | ||
166 | |||
167 | data = malloc(sizeof(* data)); | ||
168 | if (data == NULL) | ||
169 | goto err; | ||
170 | |||
171 | data->md_session = NULL; | ||
172 | |||
173 | data->md_flags_store = mail_flags_store_new(); | ||
174 | if (data->md_flags_store == NULL) | ||
175 | goto free; | ||
176 | |||
177 | session->sess_data = data; | ||
178 | |||
179 | return MAIL_NO_ERROR; | ||
180 | |||
181 | free: | ||
182 | free(data); | ||
183 | err: | ||
184 | return MAIL_ERROR_MEMORY; | ||
185 | } | ||
186 | |||
187 | static void uninitialize(mailsession * session) | ||
188 | { | ||
189 | struct maildir_session_state_data * data; | ||
190 | |||
191 | data = get_data(session); | ||
192 | |||
193 | if (data->md_session != NULL) | ||
194 | flags_store_process(data->md_session, data->md_flags_store); | ||
195 | |||
196 | mail_flags_store_free(data->md_flags_store); | ||
197 | if (data->md_session != NULL) | ||
198 | maildir_free(data->md_session); | ||
199 | |||
200 | free(data); | ||
201 | |||
202 | session->sess_data = NULL; | ||
203 | } | ||
204 | |||
205 | |||
206 | static int connect_path(mailsession * session, char * path) | ||
207 | { | ||
208 | struct maildir * md; | ||
209 | int res; | ||
210 | int r; | ||
211 | |||
212 | if (get_maildir_session(session) != NULL) { | ||
213 | res = MAIL_ERROR_BAD_STATE; | ||
214 | goto err; | ||
215 | } | ||
216 | |||
217 | md = maildir_new(path); | ||
218 | if (md == NULL) { | ||
219 | res = MAIL_ERROR_MEMORY; | ||
220 | goto err; | ||
221 | } | ||
222 | |||
223 | r = maildir_update(md); | ||
224 | if (r != MAILDIR_NO_ERROR) { | ||
225 | res = maildirdriver_maildir_error_to_mail_error(r); | ||
226 | goto free; | ||
227 | } | ||
228 | |||
229 | get_data(session)->md_session = md; | ||
230 | |||
231 | return MAIL_NO_ERROR; | ||
232 | |||
233 | free: | ||
234 | maildir_free(md); | ||
235 | err: | ||
236 | return res; | ||
237 | } | ||
238 | |||
239 | static int logout(mailsession * session) | ||
240 | { | ||
241 | struct maildir * md; | ||
242 | |||
243 | check_folder(session); | ||
244 | |||
245 | md = get_maildir_session(session); | ||
246 | if (md == NULL) | ||
247 | return MAIL_ERROR_BAD_STATE; | ||
248 | |||
249 | maildir_free(md); | ||
250 | get_data(session)->md_session = NULL; | ||
251 | |||
252 | return MAIL_NO_ERROR; | ||
253 | } | ||
254 | |||
255 | /* folders operations */ | ||
256 | |||
257 | static int status_folder(mailsession * session, char * mb, | ||
258 | uint32_t * result_messages, uint32_t * result_recent, | ||
259 | uint32_t * result_unseen) | ||
260 | { | ||
261 | int r; | ||
262 | struct maildir * md; | ||
263 | unsigned int i; | ||
264 | uint32_t messages; | ||
265 | uint32_t recent; | ||
266 | uint32_t unseen; | ||
267 | |||
268 | check_folder(session); | ||
269 | |||
270 | md = get_maildir_session(session); | ||
271 | if (md == NULL) | ||
272 | return MAIL_ERROR_BAD_STATE; | ||
273 | |||
274 | r = maildir_update(md); | ||
275 | if (r != MAILDIR_NO_ERROR) | ||
276 | return maildirdriver_maildir_error_to_mail_error(r); | ||
277 | |||
278 | messages = 0; | ||
279 | recent = 0; | ||
280 | unseen = 0; | ||
281 | for(i = 0 ; i < carray_count(md->mdir_msg_list) ; i ++) { | ||
282 | struct maildir_msg * msg; | ||
283 | |||
284 | msg = carray_get(md->mdir_msg_list, i); | ||
285 | if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0) | ||
286 | recent ++; | ||
287 | if ((msg->msg_flags & MAILDIR_FLAG_SEEN) == 0) | ||
288 | unseen ++; | ||
289 | messages ++; | ||
290 | } | ||
291 | |||
292 | * result_messages = messages; | ||
293 | * result_recent = recent; | ||
294 | * result_unseen = unseen; | ||
295 | |||
296 | return MAIL_NO_ERROR; | ||
297 | } | ||
298 | |||
299 | static int messages_number(mailsession * session, char * mb, | ||
300 | uint32_t * result) | ||
301 | { | ||
302 | struct maildir * md; | ||
303 | int r; | ||
304 | |||
305 | md = get_maildir_session(session); | ||
306 | if (md == NULL) | ||
307 | return MAIL_ERROR_BAD_STATE; | ||
308 | |||
309 | r = maildir_update(md); | ||
310 | if (r != MAILDIR_NO_ERROR) | ||
311 | return maildirdriver_maildir_error_to_mail_error(r); | ||
312 | |||
313 | * result = carray_count(md->mdir_msg_list); | ||
314 | |||
315 | return MAIL_NO_ERROR; | ||
316 | } | ||
317 | |||
318 | static int unseen_number(mailsession * session, char * mb, | ||
319 | uint32_t * result) | ||
320 | { | ||
321 | uint32_t messages; | ||
322 | uint32_t recent; | ||
323 | uint32_t unseen; | ||
324 | int r; | ||
325 | |||
326 | r = status_folder(session, mb, &messages, &recent, &unseen); | ||
327 | if (r != MAIL_NO_ERROR) | ||
328 | return r; | ||
329 | |||
330 | * result = unseen; | ||
331 | |||
332 | return MAIL_NO_ERROR; | ||
333 | } | ||
334 | |||
335 | static int recent_number(mailsession * session, char * mb, | ||
336 | uint32_t * result) | ||
337 | { | ||
338 | uint32_t messages; | ||
339 | uint32_t recent; | ||
340 | uint32_t unseen; | ||
341 | int r; | ||
342 | |||
343 | r = status_folder(session, mb, &messages, &recent, &unseen); | ||
344 | if (r != MAIL_NO_ERROR) | ||
345 | return r; | ||
346 | |||
347 | * result = recent; | ||
348 | |||
349 | return MAIL_NO_ERROR; | ||
350 | } | ||
351 | |||
352 | |||
353 | /* messages operations */ | ||
354 | |||
355 | static int append_message(mailsession * session, | ||
356 | char * message, size_t size) | ||
357 | { | ||
358 | struct maildir * md; | ||
359 | int r; | ||
360 | |||
361 | md = get_maildir_session(session); | ||
362 | if (md == NULL) | ||
363 | return MAIL_ERROR_BAD_STATE; | ||
364 | |||
365 | r = maildir_message_add(md, message, size); | ||
366 | if (r != MAILDIR_NO_ERROR) | ||
367 | return maildirdriver_maildir_error_to_mail_error(r); | ||
368 | |||
369 | return MAIL_NO_ERROR; | ||
370 | } | ||
371 | |||
372 | static int get_messages_list(mailsession * session, | ||
373 | struct mailmessage_list ** result) | ||
374 | { | ||
375 | struct maildir * md; | ||
376 | int r; | ||
377 | struct mailmessage_list * env_list; | ||
378 | int res; | ||
379 | |||
380 | md = get_maildir_session(session); | ||
381 | if (md == NULL) | ||
382 | return MAIL_ERROR_BAD_STATE; | ||
383 | |||
384 | r = maildir_update(md); | ||
385 | if (r != MAILDIR_NO_ERROR) { | ||
386 | res = maildirdriver_maildir_error_to_mail_error(r); | ||
387 | goto err; | ||
388 | } | ||
389 | |||
390 | r = maildir_get_messages_list(session, md, | ||
391 | maildir_message_driver, &env_list); | ||
392 | if (r != MAILDIR_NO_ERROR) { | ||
393 | res = r; | ||
394 | goto free_list; | ||
395 | } | ||
396 | |||
397 | * result = env_list; | ||
398 | |||
399 | return MAIL_NO_ERROR; | ||
400 | |||
401 | free_list: | ||
402 | mailmessage_list_free(env_list); | ||
403 | err: | ||
404 | return res; | ||
405 | } | ||
406 | |||
407 | static int get_envelopes_list(mailsession * session, | ||
408 | struct mailmessage_list * env_list) | ||
409 | { | ||
410 | int r; | ||
411 | struct maildir * md; | ||
412 | unsigned int i; | ||
413 | int res; | ||
414 | |||
415 | check_folder(session); | ||
416 | |||
417 | md = get_maildir_session(session); | ||
418 | if (md == NULL) { | ||
419 | res = MAIL_ERROR_BAD_STATE; | ||
420 | goto err; | ||
421 | } | ||
422 | |||
423 | r = maildir_update(md); | ||
424 | if (r != MAILDIR_NO_ERROR) { | ||
425 | res = maildirdriver_maildir_error_to_mail_error(r); | ||
426 | goto err; | ||
427 | } | ||
428 | |||
429 | r = maildriver_generic_get_envelopes_list(session, env_list); | ||
430 | if (r != MAIL_NO_ERROR) { | ||
431 | res = r; | ||
432 | goto err; | ||
433 | } | ||
434 | |||
435 | for(i = 0 ; i < carray_count(env_list->msg_tab) ; i++) { | ||
436 | struct maildir_msg * md_msg; | ||
437 | mailmessage * msg; | ||
438 | uint32_t driver_flags; | ||
439 | clist * ext; | ||
440 | chashdatum key; | ||
441 | chashdatum value; | ||
442 | |||
443 | msg = carray_get(env_list->msg_tab, i); | ||
444 | |||
445 | key.data = msg->msg_uid; | ||
446 | key.len = strlen(msg->msg_uid); | ||
447 | r = chash_get(md->mdir_msg_hash, &key, &value); | ||
448 | if (r < 0) | ||
449 | continue; | ||
450 | |||
451 | md_msg = value.data; | ||
452 | |||
453 | driver_flags = maildirdriver_maildir_flags_to_flags(md_msg->msg_flags); | ||
454 | |||
455 | if (msg->msg_flags == NULL) { | ||
456 | ext = clist_new(); | ||
457 | if (ext == NULL) { | ||
458 | res = MAIL_ERROR_MEMORY; | ||
459 | continue; | ||
460 | } | ||
461 | |||
462 | msg->msg_flags = mail_flags_new(driver_flags, ext); | ||
463 | if (msg->msg_flags == NULL) { | ||
464 | clist_free(ext); | ||
465 | res = MAIL_ERROR_MEMORY; | ||
466 | continue; | ||
467 | } | ||
468 | |||
469 | if ((md_msg->msg_flags & MAILDIR_FLAG_NEW) != 0) { | ||
470 | mail_flags_store_set(get_data(session)->md_flags_store, msg); | ||
471 | } | ||
472 | } | ||
473 | else { | ||
474 | msg->msg_flags->fl_flags &= MAIL_FLAG_FORWARDED; | ||
475 | msg->msg_flags->fl_flags |= driver_flags; | ||
476 | } | ||
477 | } | ||
478 | |||
479 | return MAIL_NO_ERROR; | ||
480 | |||
481 | err: | ||
482 | return res; | ||
483 | } | ||
484 | |||
485 | |||
486 | static int expunge_folder(mailsession * session) | ||
487 | { | ||
488 | unsigned int i; | ||
489 | int r; | ||
490 | int res; | ||
491 | struct maildir * md; | ||
492 | |||
493 | check_folder(session); | ||
494 | |||
495 | md = get_maildir_session(session); | ||
496 | if (md == NULL) | ||
497 | return MAIL_ERROR_BAD_STATE; | ||
498 | |||
499 | r = maildir_update(md); | ||
500 | if (r != MAILDIR_NO_ERROR) { | ||
501 | res = maildirdriver_maildir_error_to_mail_error(r); | ||
502 | goto err; | ||
503 | } | ||
504 | |||
505 | for(i = 0 ; i < carray_count(md->mdir_msg_list) ; i++) { | ||
506 | struct maildir_msg * md_msg; | ||
507 | |||
508 | md_msg = carray_get(md->mdir_msg_list, i); | ||
509 | |||
510 | if ((md_msg->msg_flags & MAILDIR_FLAG_TRASHED) != 0) | ||
511 | maildir_message_remove(md, md_msg->msg_uid); | ||
512 | } | ||
513 | |||
514 | return MAIL_NO_ERROR; | ||
515 | |||
516 | err: | ||
517 | return res; | ||
518 | } | ||
519 | |||
520 | |||
521 | static int flags_store_process(struct maildir * md, | ||
522 | struct mail_flags_store * flags_store) | ||
523 | { | ||
524 | unsigned int i; | ||
525 | |||
526 | if (carray_count(flags_store->fls_tab) == 0) | ||
527 | return MAIL_NO_ERROR; | ||
528 | |||
529 | for(i = 0 ; i < carray_count(flags_store->fls_tab) ; i ++) { | ||
530 | mailmessage * msg; | ||
531 | uint32_t md_flags; | ||
532 | |||
533 | msg = carray_get(flags_store->fls_tab, i); | ||
534 | md_flags = maildirdriver_flags_to_maildir_flags(msg->msg_flags->fl_flags); | ||
535 | md_flags &= ~MAILDIR_FLAG_NEW; | ||
536 | |||
537 | maildir_message_change_flags(md, msg->msg_uid, md_flags); | ||
538 | } | ||
539 | |||
540 | mail_flags_store_clear(flags_store); | ||
541 | |||
542 | return MAIL_NO_ERROR; | ||
543 | } | ||
544 | |||
545 | |||
546 | |||
547 | static int check_folder(mailsession * session) | ||
548 | { | ||
549 | struct mail_flags_store * flags_store; | ||
550 | struct maildir_session_state_data * data; | ||
551 | struct maildir * md; | ||
552 | |||
553 | md = get_maildir_session(session); | ||
554 | if (md == NULL) | ||
555 | return MAIL_ERROR_BAD_STATE; | ||
556 | |||
557 | data = get_data(session); | ||
558 | flags_store = data->md_flags_store; | ||
559 | |||
560 | return flags_store_process(md, flags_store); | ||
561 | } | ||
562 | |||
563 | static int get_message_by_uid(mailsession * session, | ||
564 | const char * uid, mailmessage ** result) | ||
565 | { | ||
566 | int r; | ||
567 | struct maildir * md; | ||
568 | int res; | ||
569 | mailmessage * msg; | ||
570 | char * msg_filename; | ||
571 | struct stat stat_info; | ||
572 | |||
573 | md = get_maildir_session(session); | ||
574 | |||
575 | /* update maildir data */ | ||
576 | |||
577 | r = maildir_update(md); | ||
578 | if (r != MAILDIR_NO_ERROR) { | ||
579 | res = maildirdriver_maildir_error_to_mail_error(r); | ||
580 | goto err; | ||
581 | } | ||
582 | |||
583 | msg_filename = maildir_message_get(md, uid); | ||
584 | if (msg_filename == NULL) { | ||
585 | res = MAIL_ERROR_INVAL; | ||
586 | goto err; | ||
587 | } | ||
588 | |||
589 | r = stat(msg_filename, &stat_info); | ||
590 | free(msg_filename); | ||
591 | if (r < 0) { | ||
592 | res = MAIL_ERROR_INVAL; | ||
593 | goto err; | ||
594 | } | ||
595 | |||
596 | /* create message */ | ||
597 | |||
598 | msg = mailmessage_new(); | ||
599 | if (msg == NULL) { | ||
600 | res = MAIL_ERROR_MEMORY; | ||
601 | goto err; | ||
602 | } | ||
603 | |||
604 | r = mailmessage_init(msg, session, maildir_message_driver, | ||
605 | 0, stat_info.st_size); | ||
606 | if (r != MAIL_NO_ERROR) { | ||
607 | mailmessage_free(msg); | ||
608 | res = r; | ||
609 | goto err; | ||
610 | } | ||
611 | |||
612 | msg->msg_uid = strdup(uid); | ||
613 | if (msg->msg_uid == NULL) { | ||
614 | mailmessage_free(msg); | ||
615 | res = r; | ||
616 | goto err; | ||
617 | } | ||
618 | |||
619 | * result = msg; | ||
620 | |||
621 | return MAIL_NO_ERROR; | ||
622 | |||
623 | err: | ||
624 | return res; | ||
625 | } | ||