Diffstat (limited to 'libetpan/src/driver/implementation/mbox/mboxdriver.c') (more/less context) (ignore whitespace changes)
-rw-r--r-- | libetpan/src/driver/implementation/mbox/mboxdriver.c | 515 |
1 files changed, 515 insertions, 0 deletions
diff --git a/libetpan/src/driver/implementation/mbox/mboxdriver.c b/libetpan/src/driver/implementation/mbox/mboxdriver.c new file mode 100644 index 0000000..72afa6d --- a/dev/null +++ b/libetpan/src/driver/implementation/mbox/mboxdriver.c | |||
@@ -0,0 +1,515 @@ | |||
1 | /* | ||
2 | * libEtPan! -- a mail stuff library | ||
3 | * | ||
4 | * Copyright (C) 2001, 2005 - 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 AUTHORS 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 AUTHORS 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 | #include "mboxdriver.h" | ||
37 | |||
38 | #include <stdio.h> | ||
39 | #include <string.h> | ||
40 | #include <sys/types.h> | ||
41 | #include <dirent.h> | ||
42 | #include <unistd.h> | ||
43 | #include <sys/stat.h> | ||
44 | #include <ctype.h> | ||
45 | #include <stdlib.h> | ||
46 | #include <sys/times.h> | ||
47 | |||
48 | #include "mail.h" | ||
49 | #include "maildriver_tools.h" | ||
50 | #include "mailmbox.h" | ||
51 | #include "mboxdriver_tools.h" | ||
52 | #include "maildriver.h" | ||
53 | #include "carray.h" | ||
54 | #include "mboxdriver_message.h" | ||
55 | #include "mailmessage.h" | ||
56 | |||
57 | static int mboxdriver_initialize(mailsession * session); | ||
58 | |||
59 | static void mboxdriver_uninitialize(mailsession * session); | ||
60 | |||
61 | static int mboxdriver_parameters(mailsession * session, | ||
62 | int id, void * value); | ||
63 | |||
64 | static int mboxdriver_connect_path(mailsession * session, char * path); | ||
65 | |||
66 | static int mboxdriver_logout(mailsession * session); | ||
67 | |||
68 | static int mboxdriver_expunge_folder(mailsession * session); | ||
69 | |||
70 | static int mboxdriver_status_folder(mailsession * session, char * mb, | ||
71 | uint32_t * result_messages, uint32_t * result_recent, | ||
72 | uint32_t * result_unseen); | ||
73 | |||
74 | static int mboxdriver_messages_number(mailsession * session, char * mb, | ||
75 | uint32_t * result); | ||
76 | |||
77 | static int mboxdriver_append_message(mailsession * session, | ||
78 | char * message, size_t size); | ||
79 | |||
80 | static int mboxdriver_append_message_flags(mailsession * session, | ||
81 | char * message, size_t size, struct mail_flags * flags); | ||
82 | |||
83 | static int mboxdriver_get_messages_list(mailsession * session, | ||
84 | struct mailmessage_list ** result); | ||
85 | |||
86 | static int | ||
87 | mboxdriver_get_envelopes_list(mailsession * session, | ||
88 | struct mailmessage_list * env_list); | ||
89 | |||
90 | static int mboxdriver_remove_message(mailsession * session, uint32_t num); | ||
91 | |||
92 | static int mboxdriver_get_message(mailsession * session, | ||
93 | uint32_t num, mailmessage ** result); | ||
94 | |||
95 | static int mboxdriver_get_message_by_uid(mailsession * session, | ||
96 | const char * uid, | ||
97 | mailmessage ** result); | ||
98 | |||
99 | static mailsession_driver local_mbox_session_driver = { | ||
100 | .sess_name = "mbox", | ||
101 | |||
102 | .sess_initialize = mboxdriver_initialize, | ||
103 | .sess_uninitialize = mboxdriver_uninitialize, | ||
104 | |||
105 | .sess_parameters = mboxdriver_parameters, | ||
106 | |||
107 | .sess_connect_path = mboxdriver_connect_path, | ||
108 | .sess_connect_stream = NULL, | ||
109 | .sess_starttls = NULL, | ||
110 | .sess_login = NULL, | ||
111 | .sess_logout = mboxdriver_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 = NULL, | ||
119 | .sess_examine_folder = NULL, | ||
120 | .sess_select_folder = NULL, | ||
121 | .sess_expunge_folder = mboxdriver_expunge_folder, | ||
122 | .sess_status_folder = mboxdriver_status_folder, | ||
123 | .sess_messages_number = mboxdriver_messages_number, | ||
124 | .sess_recent_number = mboxdriver_messages_number, | ||
125 | .sess_unseen_number = mboxdriver_messages_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 = mboxdriver_append_message, | ||
132 | .sess_append_message_flags = mboxdriver_append_message_flags, | ||
133 | .sess_copy_message = NULL, | ||
134 | .sess_move_message = NULL, | ||
135 | |||
136 | .sess_get_messages_list = mboxdriver_get_messages_list, | ||
137 | .sess_get_envelopes_list = mboxdriver_get_envelopes_list, | ||
138 | .sess_remove_message = mboxdriver_remove_message, | ||
139 | #if 0 | ||
140 | .sess_search_messages = maildriver_generic_search_messages, | ||
141 | #endif | ||
142 | |||
143 | .sess_get_message = mboxdriver_get_message, | ||
144 | .sess_get_message_by_uid = mboxdriver_get_message_by_uid, | ||
145 | }; | ||
146 | |||
147 | mailsession_driver * mbox_session_driver = &local_mbox_session_driver; | ||
148 | |||
149 | static inline struct mbox_session_state_data * get_data(mailsession * session) | ||
150 | { | ||
151 | return session->sess_data; | ||
152 | } | ||
153 | |||
154 | static inline struct mailmbox_folder * get_mbox_session(mailsession * session) | ||
155 | { | ||
156 | return get_data(session)->mbox_folder; | ||
157 | } | ||
158 | |||
159 | static int mboxdriver_initialize(mailsession * session) | ||
160 | { | ||
161 | struct mbox_session_state_data * data; | ||
162 | |||
163 | data = malloc(sizeof(* data)); | ||
164 | if (data == NULL) | ||
165 | goto err; | ||
166 | |||
167 | data->mbox_folder = NULL; | ||
168 | |||
169 | data->mbox_force_read_only = FALSE; | ||
170 | data->mbox_force_no_uid = TRUE; | ||
171 | |||
172 | session->sess_data = data; | ||
173 | |||
174 | return MAIL_NO_ERROR; | ||
175 | |||
176 | err: | ||
177 | return MAIL_ERROR_MEMORY; | ||
178 | } | ||
179 | |||
180 | static void free_state(struct mbox_session_state_data * mbox_data) | ||
181 | { | ||
182 | if (mbox_data->mbox_folder != NULL) { | ||
183 | mailmbox_done(mbox_data->mbox_folder); | ||
184 | mbox_data->mbox_folder = NULL; | ||
185 | } | ||
186 | } | ||
187 | |||
188 | static void mboxdriver_uninitialize(mailsession * session) | ||
189 | { | ||
190 | struct mbox_session_state_data * data; | ||
191 | |||
192 | data = get_data(session); | ||
193 | |||
194 | free_state(data); | ||
195 | |||
196 | free(data); | ||
197 | } | ||
198 | |||
199 | static int mboxdriver_parameters(mailsession * session, | ||
200 | int id, void * value) | ||
201 | { | ||
202 | struct mbox_session_state_data * data; | ||
203 | |||
204 | data = get_data(session); | ||
205 | |||
206 | switch (id) { | ||
207 | case MBOXDRIVER_SET_READ_ONLY: | ||
208 | { | ||
209 | int * param; | ||
210 | |||
211 | param = value; | ||
212 | |||
213 | data->mbox_force_read_only = * param; | ||
214 | return MAIL_NO_ERROR; | ||
215 | } | ||
216 | |||
217 | case MBOXDRIVER_SET_NO_UID: | ||
218 | { | ||
219 | int * param; | ||
220 | |||
221 | param = value; | ||
222 | |||
223 | data->mbox_force_no_uid = * param; | ||
224 | return MAIL_NO_ERROR; | ||
225 | } | ||
226 | } | ||
227 | |||
228 | return MAIL_ERROR_INVAL; | ||
229 | } | ||
230 | |||
231 | |||
232 | static int mboxdriver_connect_path(mailsession * session, char * path) | ||
233 | { | ||
234 | struct mbox_session_state_data * mbox_data; | ||
235 | struct mailmbox_folder * folder; | ||
236 | int r; | ||
237 | |||
238 | mbox_data = get_data(session); | ||
239 | |||
240 | if (mbox_data->mbox_folder != NULL) | ||
241 | return MAIL_ERROR_BAD_STATE; | ||
242 | |||
243 | r = mailmbox_init(path, | ||
244 | mbox_data->mbox_force_read_only, | ||
245 | mbox_data->mbox_force_no_uid, | ||
246 | 0, | ||
247 | &folder); | ||
248 | |||
249 | if (r != MAILMBOX_NO_ERROR) | ||
250 | return mboxdriver_mbox_error_to_mail_error(r); | ||
251 | |||
252 | mbox_data->mbox_folder = folder; | ||
253 | |||
254 | return MAIL_NO_ERROR; | ||
255 | } | ||
256 | |||
257 | static int mboxdriver_logout(mailsession * session) | ||
258 | { | ||
259 | struct mbox_session_state_data * mbox_data; | ||
260 | |||
261 | mbox_data = get_data(session); | ||
262 | |||
263 | if (mbox_data->mbox_folder == NULL) | ||
264 | return MAIL_ERROR_BAD_STATE; | ||
265 | |||
266 | free_state(mbox_data); | ||
267 | |||
268 | mbox_data->mbox_folder = NULL; | ||
269 | |||
270 | return MAIL_NO_ERROR; | ||
271 | } | ||
272 | |||
273 | static int mboxdriver_expunge_folder(mailsession * session) | ||
274 | { | ||
275 | int r; | ||
276 | struct mbox_session_state_data * mbox_data; | ||
277 | |||
278 | mbox_data = get_data(session); | ||
279 | |||
280 | if (mbox_data->mbox_folder == NULL) | ||
281 | return MAIL_ERROR_BAD_STATE; | ||
282 | |||
283 | r = mailmbox_expunge(mbox_data->mbox_folder); | ||
284 | if (r != MAILMBOX_NO_ERROR) | ||
285 | return mboxdriver_mbox_error_to_mail_error(r); | ||
286 | |||
287 | return MAIL_NO_ERROR; | ||
288 | } | ||
289 | |||
290 | static int mboxdriver_status_folder(mailsession * session, char * mb, | ||
291 | uint32_t * result_messages, uint32_t * result_recent, | ||
292 | uint32_t * result_unseen) | ||
293 | { | ||
294 | uint32_t count; | ||
295 | int r; | ||
296 | |||
297 | r = mboxdriver_messages_number(session, mb, &count); | ||
298 | if (r != MAIL_NO_ERROR) | ||
299 | return r; | ||
300 | |||
301 | * result_messages = count; | ||
302 | * result_recent = count; | ||
303 | * result_unseen = count; | ||
304 | |||
305 | return MAIL_NO_ERROR; | ||
306 | } | ||
307 | |||
308 | static int mboxdriver_messages_number(mailsession * session, char * mb, | ||
309 | uint32_t * result) | ||
310 | { | ||
311 | struct mailmbox_folder * folder; | ||
312 | int r; | ||
313 | |||
314 | folder = get_mbox_session(session); | ||
315 | if (folder == NULL) | ||
316 | return MAIL_ERROR_STATUS; | ||
317 | |||
318 | r = mailmbox_validate_read_lock(folder); | ||
319 | if (r != MAIL_NO_ERROR) | ||
320 | return r; | ||
321 | |||
322 | mailmbox_read_unlock(folder); | ||
323 | |||
324 | * result = carray_count(folder->mb_tab) - folder->mb_deleted_count; | ||
325 | |||
326 | return MAILMBOX_NO_ERROR; | ||
327 | } | ||
328 | |||
329 | /* messages operations */ | ||
330 | |||
331 | static int mboxdriver_append_message(mailsession * session, | ||
332 | char * message, size_t size) | ||
333 | { | ||
334 | int r; | ||
335 | struct mailmbox_folder * folder; | ||
336 | |||
337 | folder = get_mbox_session(session); | ||
338 | if (folder == NULL) | ||
339 | return MAIL_ERROR_APPEND; | ||
340 | |||
341 | r = mailmbox_append_message(folder, message, size); | ||
342 | |||
343 | switch (r) { | ||
344 | case MAILMBOX_ERROR_FILE: | ||
345 | return MAIL_ERROR_DISKSPACE; | ||
346 | default: | ||
347 | return mboxdriver_mbox_error_to_mail_error(r); | ||
348 | } | ||
349 | } | ||
350 | |||
351 | static int mboxdriver_append_message_flags(mailsession * session, | ||
352 | char * message, size_t size, struct mail_flags * flags) | ||
353 | { | ||
354 | return mboxdriver_append_message(session, message, size); | ||
355 | } | ||
356 | |||
357 | static int mboxdriver_get_messages_list(mailsession * session, | ||
358 | struct mailmessage_list ** result) | ||
359 | { | ||
360 | struct mailmbox_folder * folder; | ||
361 | int res; | ||
362 | |||
363 | folder = get_mbox_session(session); | ||
364 | if (folder == NULL) { | ||
365 | res = MAIL_ERROR_BAD_STATE; | ||
366 | goto err; | ||
367 | } | ||
368 | |||
369 | return mbox_get_messages_list(folder, session, mbox_message_driver, result); | ||
370 | |||
371 | err: | ||
372 | return res; | ||
373 | } | ||
374 | |||
375 | static int | ||
376 | mboxdriver_get_envelopes_list(mailsession * session, | ||
377 | struct mailmessage_list * env_list) | ||
378 | { | ||
379 | struct mailmbox_folder * folder; | ||
380 | unsigned int i; | ||
381 | int r; | ||
382 | int res; | ||
383 | |||
384 | folder = get_mbox_session(session); | ||
385 | if (folder == NULL) { | ||
386 | res = MAIL_ERROR_BAD_STATE; | ||
387 | goto err; | ||
388 | } | ||
389 | |||
390 | r = mailmbox_validate_read_lock(folder); | ||
391 | if (r != MAILMBOX_NO_ERROR) { | ||
392 | res = mboxdriver_mbox_error_to_mail_error(r); | ||
393 | goto err; | ||
394 | } | ||
395 | |||
396 | for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) { | ||
397 | mailmessage * msg; | ||
398 | struct mailimf_fields * fields; | ||
399 | char * headers; | ||
400 | size_t headers_len; | ||
401 | size_t cur_token; | ||
402 | |||
403 | msg = carray_get(env_list->msg_tab, i); | ||
404 | if (msg == NULL) | ||
405 | continue; | ||
406 | |||
407 | if (msg->msg_fields != NULL) | ||
408 | continue; | ||
409 | |||
410 | r = mailmbox_fetch_msg_headers_no_lock(folder, | ||
411 | msg->msg_index, &headers, &headers_len); | ||
412 | if (r != MAILMBOX_NO_ERROR) { | ||
413 | res = mboxdriver_mbox_error_to_mail_error(r); | ||
414 | goto unlock; | ||
415 | } | ||
416 | |||
417 | cur_token = 0; | ||
418 | r = mailimf_envelope_fields_parse(headers, headers_len, | ||
419 | &cur_token, &fields); | ||
420 | |||
421 | if (r != MAILIMF_NO_ERROR) | ||
422 | continue; | ||
423 | |||
424 | msg->msg_fields = fields; | ||
425 | } | ||
426 | |||
427 | mailmbox_read_unlock(folder); | ||
428 | |||
429 | return MAIL_NO_ERROR; | ||
430 | |||
431 | unlock: | ||
432 | mailmbox_read_unlock(folder); | ||
433 | err: | ||
434 | return res; | ||
435 | } | ||
436 | |||
437 | |||
438 | static int mboxdriver_remove_message(mailsession * session, uint32_t num) | ||
439 | { | ||
440 | int r; | ||
441 | struct mailmbox_folder * folder; | ||
442 | |||
443 | folder = get_mbox_session(session); | ||
444 | if (folder == NULL) | ||
445 | return MAIL_ERROR_DELETE; | ||
446 | |||
447 | r = mailmbox_delete_msg(folder, num); | ||
448 | |||
449 | return mboxdriver_mbox_error_to_mail_error(r); | ||
450 | } | ||
451 | |||
452 | static int mboxdriver_get_message(mailsession * session, | ||
453 | uint32_t num, mailmessage ** result) | ||
454 | { | ||
455 | mailmessage * msg_info; | ||
456 | int r; | ||
457 | |||
458 | msg_info = mailmessage_new(); | ||
459 | if (msg_info == NULL) | ||
460 | return MAIL_ERROR_MEMORY; | ||
461 | |||
462 | r = mailmessage_init(msg_info, session, mbox_message_driver, num, 0); | ||
463 | if (r != MAIL_NO_ERROR) { | ||
464 | mailmessage_free(msg_info); | ||
465 | return r; | ||
466 | } | ||
467 | |||
468 | * result = msg_info; | ||
469 | |||
470 | return MAIL_NO_ERROR; | ||
471 | } | ||
472 | |||
473 | static int mboxdriver_get_message_by_uid(mailsession * session, | ||
474 | const char * uid, | ||
475 | mailmessage ** result) | ||
476 | { | ||
477 | uint32_t num; | ||
478 | char * p; | ||
479 | chashdatum key; | ||
480 | chashdatum data; | ||
481 | struct mailmbox_msg_info * info; | ||
482 | struct mailmbox_folder * folder; | ||
483 | int r; | ||
484 | |||
485 | if (uid == NULL) | ||
486 | return MAIL_ERROR_INVAL; | ||
487 | |||
488 | num = strtoul(uid, &p, 10); | ||
489 | if (p == uid || * p != '-') | ||
490 | return MAIL_ERROR_INVAL; | ||
491 | |||
492 | folder = get_mbox_session(session); | ||
493 | if (folder == NULL) | ||
494 | return MAIL_ERROR_BAD_STATE; | ||
495 | |||
496 | key.data = # | ||
497 | key.len = sizeof(num); | ||
498 | |||
499 | r = chash_get(folder->mb_hash, &key, &data); | ||
500 | if (r == 0) { | ||
501 | char * body_len_p = p + 1; | ||
502 | size_t body_len; | ||
503 | |||
504 | info = data.data; | ||
505 | /* Check if the cached message has the same UID */ | ||
506 | body_len = strtoul(body_len_p, &p, 10); | ||
507 | if (p == body_len_p || * p != '\0') | ||
508 | return MAIL_ERROR_INVAL; | ||
509 | |||
510 | if (body_len == info->msg_body_len) | ||
511 | return mboxdriver_get_message(session, num, result); | ||
512 | } | ||
513 | |||
514 | return MAIL_ERROR_MSG_NOT_FOUND; | ||
515 | } | ||