1 /*
2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2020 the Claws Mail team and Hiroyuki Yamamoto
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #include "claws-features.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include "imap.h"
31 #include "imap_gtk.h"
32 #include "inc.h"
33 #include "xml.h"
34 #include "alertpanel.h"
35
36 #ifdef HAVE_LIBETPAN
37
38 #include <stdlib.h>
39 #include <dirent.h>
40 #include <unistd.h>
41 #include <ctype.h>
42 #include <time.h>
43 #include <errno.h>
44 #if HAVE_ICONV
45 # include <iconv.h>
46 #endif
47
48 #ifdef USE_GNUTLS
49 # include "ssl.h"
50 #endif
51
52 #include "folder.h"
53 #include "session.h"
54 #include "procmsg.h"
55 #include "socket.h"
56 #include "recv.h"
57 #include "procheader.h"
58 #include "prefs_account.h"
59 #include "codeconv.h"
60 #include "md5.h"
61 #include "utils.h"
62 #include "prefs_common.h"
63 #include "inputdialog.h"
64 #include "log.h"
65 #include "remotefolder.h"
66 #include "claws.h"
67 #include "statusbar.h"
68 #include "msgcache.h"
69 #include "imap-thread.h"
70 #include "account.h"
71 #include "tags.h"
72 #include "main.h"
73 #include "passwordstore.h"
74 #include "file-utils.h"
75 #include "oauth2.h"
76
77 typedef struct _IMAPFolder IMAPFolder;
78 typedef struct _IMAPSession IMAPSession;
79 typedef struct _IMAPNameSpace IMAPNameSpace;
80 typedef struct _IMAPFolderItem IMAPFolderItem;
81
82 #define IMAP_FOLDER(obj) ((IMAPFolder *)obj)
83 #define IMAP_FOLDER_ITEM(obj) ((IMAPFolderItem *)obj)
84 #define IMAP_SESSION(obj) ((IMAPSession *)obj)
85
86 struct _IMAPFolder
87 {
88 RemoteFolder rfolder;
89
90 /* list of IMAPNameSpace */
91 GList *ns_personal;
92 GList *ns_others;
93 GList *ns_shared;
94 gchar last_seen_separator;
95 guint refcnt;
96 guint max_set_size;
97 gchar *search_charset;
98 gboolean search_charset_supported;
99 };
100
101 struct _IMAPSession
102 {
103 Session session;
104
105 gboolean authenticated;
106
107 GSList *capability;
108 gboolean uidplus;
109
110 gchar *mbox;
111 guint cmd_count;
112
113 /* CLAWS */
114 gboolean folder_content_changed;
115 guint exists;
116 guint recent;
117 guint expunge;
118 guint unseen;
119 guint uid_validity;
120 guint uid_next;
121
122 Folder * folder;
123 gboolean busy;
124 gboolean cancelled;
125 gboolean sens_update_block;
126 gboolean do_destroy;
127
128 gint scan_tree_recurs_depth;
129 };
130
131 struct _IMAPNameSpace
132 {
133 gchar *name;
134 gchar separator;
135 };
136
137 #define IMAPBUFSIZE 8192
138
139 #define IMAP_IS_SEEN(flags) ((flags & IMAP_FLAG_SEEN) != 0)
140 #define IMAP_IS_ANSWERED(flags) ((flags & IMAP_FLAG_ANSWERED) != 0)
141 #define IMAP_IS_FLAGGED(flags) ((flags & IMAP_FLAG_FLAGGED) != 0)
142 #define IMAP_IS_DELETED(flags) ((flags & IMAP_FLAG_DELETED) != 0)
143 #define IMAP_IS_DRAFT(flags) ((flags & IMAP_FLAG_DRAFT) != 0)
144 #define IMAP_IS_FORWARDED(flags) ((flags & IMAP_FLAG_FORWARDED) != 0)
145 #define IMAP_IS_SPAM(flags) ((flags & IMAP_FLAG_SPAM) != 0)
146 #define IMAP_IS_HAM(flags) ((flags & IMAP_FLAG_HAM) != 0)
147
148
149 #define IMAP4_PORT 143
150 #ifdef USE_GNUTLS
151 #define IMAPS_PORT 993
152 #endif
153
154 #define IMAP_CMD_LIMIT 1000
155
156 enum {
157 ITEM_CAN_CREATE_FLAGS_UNKNOWN = 0,
158 ITEM_CAN_CREATE_FLAGS,
159 ITEM_CANNOT_CREATE_FLAGS
160 };
161
162 struct _IMAPFolderItem
163 {
164 FolderItem item;
165
166 guint lastuid;
167 guint uid_next;
168 GSList *uid_list;
169 gboolean batching;
170
171 GHashTable *flags_set_table;
172 GHashTable *flags_unset_table;
173 guint32 last_change;
174 guint32 last_sync;
175 gboolean should_update;
176 gboolean should_trash_cache;
177 gint can_create_flags;
178
179 GHashTable *tags_set_table;
180 GHashTable *tags_unset_table;
181 GSList *ok_flags;
182
183 };
184
185 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
186 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
187
188 static void imap_folder_init (Folder *folder,
189 const gchar *name,
190 const gchar *path);
191
192 static Folder *imap_folder_new (const gchar *name,
193 const gchar *path);
194 static void imap_folder_destroy (Folder *folder);
195
196 static IMAPSession *imap_session_new (Folder *folder,
197 const PrefsAccount *account);
198 static gint imap_session_authenticate(IMAPSession *session,
199 PrefsAccount *account);
200 static void imap_session_destroy (Session *session);
201
202 static gchar *imap_fetch_msg (Folder *folder,
203 FolderItem *item,
204 gint uid);
205 static gchar *imap_fetch_msg_full (Folder *folder,
206 FolderItem *item,
207 gint uid,
208 gboolean headers,
209 gboolean body);
210 static void imap_remove_cached_msg (Folder *folder,
211 FolderItem *item,
212 MsgInfo *msginfo);
213 static gint imap_add_msg (Folder *folder,
214 FolderItem *dest,
215 const gchar *file,
216 MsgFlags *flags);
217 static gint imap_add_msgs (Folder *folder,
218 FolderItem *dest,
219 GSList *file_list,
220 GHashTable *relation);
221
222 static gint imap_copy_msg (Folder *folder,
223 FolderItem *dest,
224 MsgInfo *msginfo);
225 static gint imap_copy_msgs (Folder *folder,
226 FolderItem *dest,
227 MsgInfoList *msglist,
228 GHashTable *relation);
229
230 static gint search_msgs (Folder *folder,
231 FolderItem *container,
232 MsgNumberList **msgs,
233 gboolean *on_server,
234 MatcherList *predicate,
235 SearchProgressNotify progress_cb,
236 gpointer progress_data);
237
238 static gint imap_remove_msg (Folder *folder,
239 FolderItem *item,
240 gint uid);
241 static gint imap_remove_msgs (Folder *folder,
242 FolderItem *dest,
243 MsgInfoList *msglist,
244 GHashTable *relation);
245 static gint imap_expunge (Folder *folder,
246 FolderItem *dest);
247 static gint imap_remove_all_msg (Folder *folder,
248 FolderItem *item);
249
250 static gboolean imap_is_msg_changed (Folder *folder,
251 FolderItem *item,
252 MsgInfo *msginfo);
253
254 static gint imap_close (Folder *folder,
255 FolderItem *item);
256
257 static gint imap_scan_tree (Folder *folder);
258
259 static gint imap_create_tree (Folder *folder);
260
261 static FolderItem *imap_create_folder (Folder *folder,
262 FolderItem *parent,
263 const gchar *name);
264 static gint imap_rename_folder (Folder *folder,
265 FolderItem *item,
266 const gchar *name);
267 static gint imap_remove_folder (Folder *folder,
268 FolderItem *item);
269
270 static FolderItem *imap_folder_item_new (Folder *folder);
271 static void imap_folder_item_destroy (Folder *folder,
272 FolderItem *item);
273
274 static IMAPSession *imap_session_get (Folder *folder);
275
276 static gint imap_auth (IMAPSession *session,
277 const gchar *user,
278 const gchar *pass,
279 IMAPAuthType type);
280
281 static gint imap_scan_tree_recursive (IMAPSession *session,
282 FolderItem *item,
283 gboolean subs_only);
284 static gint imap_scan_tree_recursive_dive (IMAPSession *session,
285 FolderItem *item,
286 gboolean subs_only);
287
288 static void imap_create_missing_folders (Folder *folder);
289 static FolderItem *imap_create_special_folder
290 (Folder *folder,
291 SpecialFolderItemType stype,
292 const gchar *name);
293
294 static gint imap_do_copy_msgs (Folder *folder,
295 FolderItem *dest,
296 MsgInfoList *msglist,
297 GHashTable *relation,
298 gboolean same_dest_ok);
299
300 static gint imap_do_remove_msgs (Folder *folder,
301 FolderItem *dest,
302 MsgInfoList *msglist,
303 GHashTable *relation);
304
305 static void imap_delete_all_cached_messages (FolderItem *item);
306 static void imap_set_batch (Folder *folder,
307 FolderItem *item,
308 gboolean batch);
309 static gint imap_set_message_flags (IMAPSession *session,
310 IMAPFolderItem *item,
311 MsgNumberList *numlist,
312 IMAPFlags flags,
313 GSList *tags,
314 gboolean is_set);
315 static gint imap_select (IMAPSession *session,
316 IMAPFolder *folder,
317 FolderItem *item,
318 gint *exists,
319 gint *recent,
320 gint *unseen,
321 guint32 *uid_validity,
322 gint *can_create_flags,
323 gboolean block);
324 static gint imap_status (IMAPSession *session,
325 IMAPFolder *folder,
326 const gchar *path,
327 IMAPFolderItem *item,
328 gint *messages,
329 guint32 *uid_next,
330 guint32 *uid_validity,
331 gint *unseen,
332 gboolean block);
333 static void imap_commit_tags (FolderItem *item,
334 MsgInfo *msginfo,
335 GSList *set_tags,
336 GSList *unset_tags);
337
338 static gchar imap_get_path_separator (IMAPSession *session,
339 IMAPFolder *folder,
340 const gchar *path,
341 gint *ok);
342 static gchar *imap_get_real_path (IMAPSession *session,
343 IMAPFolder *folder,
344 const gchar *path,
345 gint *ok);
346 #ifdef HAVE_LIBETPAN
347 static void imap_synchronise (FolderItem *item, gint days);
348 #endif
349 static gboolean imap_is_busy (Folder *folder);
350
351 static void imap_free_capabilities (IMAPSession *session);
352
353 /* low-level IMAP4rev1 commands */
354 static gint imap_cmd_login (IMAPSession *session,
355 const gchar *user,
356 const gchar *pass,
357 const gchar *type);
358 static gint imap_cmd_noop (IMAPSession *session);
359 #ifdef USE_GNUTLS
360 static gint imap_cmd_starttls (IMAPSession *session);
361 #endif
362 static gint imap_cmd_select (IMAPSession *session,
363 const gchar *folder,
364 gint *exists,
365 gint *recent,
366 gint *unseen,
367 guint32 *uid_validity,
368 gint *can_create_flags,
369 GSList **ok_flags,
370 gboolean block);
371 static gint imap_cmd_close (IMAPSession *session);
372 static gint imap_cmd_examine (IMAPSession *session,
373 const gchar *folder,
374 gint *exists,
375 gint *recent,
376 gint *unseen,
377 guint32 *uid_validity,
378 gboolean block);
379 static gint imap_cmd_create (IMAPSession *sock,
380 const gchar *folder);
381 static gint imap_cmd_rename (IMAPSession *sock,
382 const gchar *oldfolder,
383 const gchar *newfolder);
384 static gint imap_cmd_delete (IMAPSession *session,
385 const gchar *folder);
386 static gint imap_cmd_fetch (IMAPSession *sock,
387 guint32 uid,
388 const gchar *filename,
389 gboolean headers,
390 gboolean body);
391 static gint imap_cmd_append (IMAPSession *session,
392 IMAPFolderItem *item,
393 const gchar *destfolder,
394 const gchar *file,
395 IMAPFlags flags,
396 guint32 *new_uid);
397 static gint imap_cmd_copy (IMAPSession *session,
398 struct mailimap_set * set,
399 const gchar *destfolder,
400 struct mailimap_set ** source,
401 struct mailimap_set ** dest);
402 static gint imap_cmd_store (IMAPSession *session,
403 IMAPFolderItem *item,
404 struct mailimap_set * set,
405 IMAPFlags flags,
406 GSList *tags,
407 int do_add);
408 static gint imap_cmd_expunge (IMAPSession *session);
409
410 static void imap_path_separator_subst (gchar *str,
411 gchar separator);
412
413 static gboolean imap_rename_folder_func (GNode *node,
414 gpointer data);
415 static gint imap_get_num_list (Folder *folder,
416 FolderItem *item,
417 GSList **list,
418 gboolean *old_uids_valid);
419 static GSList *imap_get_msginfos (Folder *folder,
420 FolderItem *item,
421 GSList *msgnum_list);
422 static MsgInfo *imap_get_msginfo (Folder *folder,
423 FolderItem *item,
424 gint num);
425 static gboolean imap_scan_required (Folder *folder,
426 FolderItem *item);
427 static void imap_change_flags (Folder *folder,
428 FolderItem *item,
429 MsgInfo *msginfo,
430 MsgPermFlags newflags);
431 static gint imap_get_flags (Folder *folder,
432 FolderItem *item,
433 MsgInfoList *msglist,
434 GHashTable *msgflags);
435 static gchar *imap_item_get_path (Folder *folder,
436 FolderItem *item);
437 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item);
438
439
440 /* data types conversion libetpan <-> claws */
441 static GSList * imap_list_from_lep(IMAPFolder * folder,
442 clist * list, const gchar * real_path, gboolean all);
443 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist);
444 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist);
445 static GSList * imap_uid_list_from_lep(clist * list, gint* length);
446 static GSList * imap_uid_list_from_lep_tab(carray * list);
447 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
448 GHashTable * hash,
449 GHashTable *tags_hash);
450 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
451 FolderItem *item);
452 static void imap_lep_set_free(GSList *seq_list);
453 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags);
454
455 typedef struct _hashtable_data {
456 GSList *msglist;
457 IMAPFolderItem *item;
458 } hashtable_data;
459
460 static FolderClass imap_class;
461
imap_get_class(void)462 FolderClass *imap_get_class(void)
463 {
464 if (imap_class.idstr == NULL) {
465 imap_class.type = F_IMAP;
466 imap_class.idstr = "imap";
467 imap_class.uistr = "IMAP";
468 imap_class.supports_server_search = TRUE;
469
470 /* Folder functions */
471 imap_class.new_folder = imap_folder_new;
472 imap_class.destroy_folder = imap_folder_destroy;
473 imap_class.scan_tree = imap_scan_tree;
474 imap_class.create_tree = imap_create_tree;
475
476 /* FolderItem functions */
477 imap_class.item_new = imap_folder_item_new;
478 imap_class.item_destroy = imap_folder_item_destroy;
479 imap_class.item_get_path = imap_item_get_path;
480 imap_class.create_folder = imap_create_folder;
481 imap_class.rename_folder = imap_rename_folder;
482 imap_class.remove_folder = imap_remove_folder;
483 imap_class.close = imap_close;
484 imap_class.get_num_list = imap_get_num_list;
485 imap_class.scan_required = imap_scan_required;
486 imap_class.set_xml = folder_set_xml;
487 imap_class.get_xml = folder_get_xml;
488 imap_class.item_set_xml = imap_item_set_xml;
489 imap_class.item_get_xml = imap_item_get_xml;
490
491 /* Message functions */
492 imap_class.get_msginfo = imap_get_msginfo;
493 imap_class.get_msginfos = imap_get_msginfos;
494 imap_class.fetch_msg = imap_fetch_msg;
495 imap_class.fetch_msg_full = imap_fetch_msg_full;
496 imap_class.add_msg = imap_add_msg;
497 imap_class.add_msgs = imap_add_msgs;
498 imap_class.copy_msg = imap_copy_msg;
499 imap_class.copy_msgs = imap_copy_msgs;
500 imap_class.search_msgs = search_msgs;
501 imap_class.remove_msg = imap_remove_msg;
502 imap_class.remove_msgs = imap_remove_msgs;
503 imap_class.expunge = imap_expunge;
504 imap_class.remove_all_msg = imap_remove_all_msg;
505 imap_class.is_msg_changed = imap_is_msg_changed;
506 imap_class.change_flags = imap_change_flags;
507 imap_class.get_flags = imap_get_flags;
508 imap_class.set_batch = imap_set_batch;
509 imap_class.synchronise = imap_synchronise;
510 imap_class.remove_cached_msg = imap_remove_cached_msg;
511 imap_class.commit_tags = imap_commit_tags;
512 }
513
514 return &imap_class;
515 }
516
imap_refresh_sensitivity(IMAPSession * session)517 static void imap_refresh_sensitivity (IMAPSession *session)
518 {
519 MainWindow *mainwin;
520
521 if (session->sens_update_block)
522 return;
523 mainwin = mainwindow_get_mainwindow();
524 if (mainwin) {
525 toolbar_main_set_sensitive(mainwin);
526 main_window_set_menu_sensitive(mainwin);
527 }
528 }
529
lock_session(IMAPSession * session)530 static void lock_session(IMAPSession *session)
531 {
532 if (session) {
533 debug_print("locking session %p (%d)\n", session, session->busy);
534 if (session->busy)
535 debug_print(" SESSION WAS LOCKED !! \n");
536 session->busy = TRUE;
537 imap_refresh_sensitivity(session);
538 } else {
539 debug_print("can't lock null session\n");
540 }
541 }
542
unlock_session(IMAPSession * session)543 static void unlock_session(IMAPSession *session)
544 {
545 if (session) {
546 debug_print("unlocking session %p\n", session);
547 session->busy = FALSE;
548 imap_refresh_sensitivity(session);
549 } else {
550 debug_print("can't unlock null session\n");
551 }
552 }
553
imap_ping(gpointer data)554 static gboolean imap_ping(gpointer data)
555 {
556 Session *session = (Session *)data;
557 IMAPSession *imap_session = IMAP_SESSION(session);
558 int r;
559
560 if (session->state != SESSION_READY)
561 return FALSE;
562 if (imap_session->busy || !imap_session->authenticated)
563 return TRUE;
564
565 lock_session(imap_session);
566 r = imap_cmd_noop(imap_session);
567 unlock_session(imap_session);
568
569 return r == MAILIMAP_NO_ERROR;
570 }
571
imap_disc_session_destroy(IMAPSession * session)572 static void imap_disc_session_destroy(IMAPSession *session)
573 {
574 RemoteFolder *rfolder = NULL;
575
576 if (session == NULL)
577 return;
578
579 rfolder = REMOTE_FOLDER(IMAP_SESSION(session)->folder);
580
581 if (rfolder == NULL)
582 return;
583 log_warning(LOG_PROTOCOL, _("IMAP connection broken\n"));
584 SESSION(session)->state = SESSION_DISCONNECTED;
585 SESSION(session)->sock = NULL;
586 }
587
imap_safe_destroy(IMAPSession * session)588 static void imap_safe_destroy(IMAPSession *session)
589 {
590 if (!session->busy)
591 session_destroy(SESSION(session));
592 else
593 session->do_destroy = TRUE;
594 }
595
is_fatal(int libetpan_errcode)596 static gboolean is_fatal(int libetpan_errcode)
597 {
598 switch(libetpan_errcode) {
599 case MAILIMAP_ERROR_STREAM:
600 case MAILIMAP_ERROR_PROTOCOL:
601 case MAILIMAP_ERROR_PARSE:
602 case MAILIMAP_ERROR_BAD_STATE:
603 return TRUE;
604 default:
605 return FALSE;
606 }
607 }
608
609 #define MY_LOG_WARNING(concat_cmd, ...) \
610 msg = concat_cmd; \
611 log_warning(LOG_PROTOCOL, msg, __VA_ARGS__); \
612 g_free(msg);
613
imap_handle_error(Session * session,const gchar * server,int libetpan_errcode)614 static void imap_handle_error(Session *session, const gchar *server, int libetpan_errcode)
615 {
616 const gchar *session_server = (session ? session->server : NULL);
617 gchar *msg;
618
619 if (session_server == NULL)
620 session_server = server;
621 if (session_server == NULL)
622 session_server = "(null)";
623
624 switch(libetpan_errcode) {
625 case MAILIMAP_NO_ERROR:
626 return;
627 case MAILIMAP_NO_ERROR_AUTHENTICATED:
628 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("authenticated"), "\n", NULL), session_server)
629 break;
630 case MAILIMAP_NO_ERROR_NON_AUTHENTICATED:
631 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("not authenticated"), "\n", NULL), session_server)
632 break;
633 case MAILIMAP_ERROR_BAD_STATE:
634 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("bad state"), "\n", NULL), session_server)
635 break;
636 case MAILIMAP_ERROR_STREAM:
637 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("stream error"), "\n", NULL), session_server)
638 break;
639 case MAILIMAP_ERROR_PARSE:
640 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("parse error "
641 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server)
642 break;
643 case MAILIMAP_ERROR_CONNECTION_REFUSED:
644 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("connection refused"), "\n", NULL), session_server)
645 break;
646 case MAILIMAP_ERROR_MEMORY:
647 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("memory error"), "\n", NULL), session_server)
648 break;
649 case MAILIMAP_ERROR_FATAL:
650 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("fatal error"), "\n", NULL), session_server)
651 break;
652 case MAILIMAP_ERROR_PROTOCOL:
653 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("protocol error "
654 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server)
655 break;
656 case MAILIMAP_ERROR_DONT_ACCEPT_CONNECTION:
657 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("connection not accepted"), "\n", NULL), session_server)
658 break;
659 case MAILIMAP_ERROR_APPEND:
660 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("APPEND error"), "\n", NULL), session_server)
661 break;
662 case MAILIMAP_ERROR_NOOP:
663 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("NOOP error"), "\n", NULL), session_server)
664 break;
665 case MAILIMAP_ERROR_LOGOUT:
666 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LOGOUT error"), "\n", NULL), session_server)
667 break;
668 case MAILIMAP_ERROR_CAPABILITY:
669 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CAPABILITY error"), "\n", NULL), session_server)
670 break;
671 case MAILIMAP_ERROR_CHECK:
672 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CHECK error"), "\n", NULL), session_server)
673 break;
674 case MAILIMAP_ERROR_CLOSE:
675 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CLOSE error"), "\n", NULL), session_server)
676 break;
677 case MAILIMAP_ERROR_EXPUNGE:
678 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXPUNGE error"), "\n", NULL), session_server)
679 break;
680 case MAILIMAP_ERROR_COPY:
681 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("COPY error"), "\n", NULL), session_server)
682 break;
683 case MAILIMAP_ERROR_UID_COPY:
684 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID COPY error"), "\n", NULL), session_server)
685 break;
686 case MAILIMAP_ERROR_CREATE:
687 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CREATE error"), "\n", NULL), session_server)
688 break;
689 case MAILIMAP_ERROR_DELETE:
690 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("DELETE error"), "\n", NULL), session_server)
691 break;
692 case MAILIMAP_ERROR_EXAMINE:
693 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXAMINE error"), "\n", NULL), session_server)
694 break;
695 case MAILIMAP_ERROR_FETCH:
696 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("FETCH error"), "\n", NULL), session_server)
697 break;
698 case MAILIMAP_ERROR_UID_FETCH:
699 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID FETCH error"), "\n", NULL), session_server)
700 break;
701 case MAILIMAP_ERROR_LIST:
702 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LIST error"), "\n", NULL), session_server)
703 break;
704 case MAILIMAP_ERROR_LOGIN:
705 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LOGIN error"), "\n", NULL), session_server)
706 break;
707 case MAILIMAP_ERROR_LSUB:
708 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LSUB error"), "\n", NULL), session_server)
709 break;
710 case MAILIMAP_ERROR_RENAME:
711 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("RENAME error"), "\n", NULL), session_server)
712 break;
713 case MAILIMAP_ERROR_SEARCH:
714 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SEARCH error"), "\n", NULL), session_server)
715 break;
716 case MAILIMAP_ERROR_UID_SEARCH:
717 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID SEARCH error"), "\n", NULL), session_server)
718 break;
719 case MAILIMAP_ERROR_SELECT:
720 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SELECT error"), "\n", NULL), session_server)
721 break;
722 case MAILIMAP_ERROR_STATUS:
723 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STATUS error"), "\n", NULL), session_server)
724 break;
725 case MAILIMAP_ERROR_STORE:
726 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STORE error"), "\n", NULL), session_server)
727 break;
728 case MAILIMAP_ERROR_UID_STORE:
729 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID STORE error"), "\n", NULL), session_server)
730 break;
731 case MAILIMAP_ERROR_SUBSCRIBE:
732 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SUBSCRIBE error"), "\n", NULL), session_server)
733 break;
734 case MAILIMAP_ERROR_UNSUBSCRIBE:
735 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UNSUBSCRIBE error"), "\n", NULL), session_server)
736 break;
737 case MAILIMAP_ERROR_STARTTLS:
738 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STARTTLS error"), "\n", NULL), session_server)
739 break;
740 case MAILIMAP_ERROR_INVAL:
741 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("INVAL error"), "\n", NULL), session_server)
742 break;
743 case MAILIMAP_ERROR_EXTENSION:
744 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXTENSION error"), "\n", NULL), session_server)
745 break;
746 case MAILIMAP_ERROR_SASL:
747 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SASL error"), "\n", NULL), session_server)
748 break;
749 #ifdef USE_GNUTLS
750 case MAILIMAP_ERROR_SSL:
751 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SSL/TLS error"), "\n", NULL), session_server)
752 break;
753 #endif
754 default:
755 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("Unknown error [%d]"), "\n", NULL),
756 session_server, libetpan_errcode)
757 break;
758 }
759
760 if (session && is_fatal(libetpan_errcode)) {
761 imap_disc_session_destroy(IMAP_SESSION(session));
762 } else if (session && !is_fatal(libetpan_errcode)) {
763 if (IMAP_SESSION(session)->busy)
764 unlock_session(IMAP_SESSION(session));
765 }
766 }
767
768 #undef MY_LOG_WARNING
769
imap_folder_new(const gchar * name,const gchar * path)770 static Folder *imap_folder_new(const gchar *name, const gchar *path)
771 {
772 Folder *folder;
773
774 folder = (Folder *)g_new0(IMAPFolder, 1);
775 folder->klass = &imap_class;
776 imap_folder_init(folder, name, path);
777
778 return folder;
779 }
780
imap_folder_destroy(Folder * folder)781 static void imap_folder_destroy(Folder *folder)
782 {
783 while (imap_folder_get_refcnt(folder) > 0)
784 gtk_main_iteration();
785
786 g_free(IMAP_FOLDER(folder)->search_charset);
787
788 folder_remote_folder_destroy(REMOTE_FOLDER(folder));
789 imap_done(folder);
790 }
791
imap_folder_init(Folder * folder,const gchar * name,const gchar * path)792 static void imap_folder_init(Folder *folder, const gchar *name,
793 const gchar *path)
794 {
795 folder_remote_folder_init((Folder *)folder, name, path);
796 IMAP_FOLDER(folder)->max_set_size = IMAP_SET_MAX_COUNT;
797 IMAP_FOLDER(folder)->search_charset_supported = TRUE;
798 IMAP_FOLDER(folder)->search_charset = g_strdup(conv_get_locale_charset_str_no_utf8());
799 }
800
imap_folder_item_new(Folder * folder)801 static FolderItem *imap_folder_item_new(Folder *folder)
802 {
803 IMAPFolderItem *item;
804
805 item = g_new0(IMAPFolderItem, 1);
806 item->lastuid = 0;
807 item->uid_next = 0;
808 item->uid_list = NULL;
809
810 return (FolderItem *)item;
811 }
812
imap_folder_item_destroy(Folder * folder,FolderItem * _item)813 static void imap_folder_item_destroy(Folder *folder, FolderItem *_item)
814 {
815 IMAPFolderItem *item = (IMAPFolderItem *)_item;
816
817 g_return_if_fail(item != NULL);
818 g_slist_free(item->uid_list);
819
820 g_free(_item);
821 }
822
imap_reset_uid_lists_func(GNode * node,gpointer data)823 static gboolean imap_reset_uid_lists_func(GNode *node, gpointer data)
824 {
825 IMAPFolderItem *item = (IMAPFolderItem *)node->data;
826
827 item->lastuid = 0;
828 g_slist_free(item->uid_list);
829 item->uid_list = NULL;
830
831 return FALSE;
832 }
833
imap_reset_uid_lists(Folder * folder)834 static void imap_reset_uid_lists(Folder *folder)
835 {
836 if(folder->node == NULL)
837 return;
838
839 /* Destroy all uid lists and rest last uid */
840 g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, imap_reset_uid_lists_func, NULL);
841 }
842
imap_get_capabilities(IMAPSession * session)843 static int imap_get_capabilities(IMAPSession *session)
844 {
845 struct mailimap_capability_data *capabilities = NULL;
846 clistiter *cur;
847 int result;
848
849 if (session->capability != NULL)
850 return MAILIMAP_NO_ERROR;
851
852 result = imap_threaded_capability(session->folder, &capabilities);
853
854 if (result != MAILIMAP_NO_ERROR) {
855 return result;
856 }
857
858 if (capabilities == NULL || capabilities->cap_list == NULL) {
859 return MAILIMAP_NO_ERROR;
860 }
861
862 for(cur = clist_begin(capabilities->cap_list) ; cur != NULL ;
863 cur = clist_next(cur)) {
864 struct mailimap_capability * cap =
865 clist_content(cur);
866 if (!cap || cap->cap_data.cap_name == NULL)
867 continue;
868 session->capability = g_slist_append
869 (session->capability,
870 g_strdup(cap->cap_data.cap_name));
871 debug_print("got capa %s\n", cap->cap_data.cap_name);
872 }
873 mailimap_capability_data_free(capabilities);
874 return MAILIMAP_NO_ERROR;
875 }
876
imap_has_capability(IMAPSession * session,const gchar * cap)877 static gboolean imap_has_capability(IMAPSession *session, const gchar *cap)
878 {
879 GSList *cur;
880 for (cur = session->capability; cur; cur = cur->next) {
881 if (!g_ascii_strcasecmp(cur->data, cap))
882 return TRUE;
883 }
884 return FALSE;
885 }
886
imap_auth(IMAPSession * session,const gchar * user,const gchar * pass,IMAPAuthType type)887 static gint imap_auth(IMAPSession *session, const gchar *user, const gchar *pass,
888 IMAPAuthType type)
889 {
890 gint ok = MAILIMAP_ERROR_LOGIN;
891 static time_t last_login_err = 0;
892 gchar *ext_info = "";
893 int r;
894 gchar *server = NULL;
895 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
896 imap_handle_error(SESSION(session), NULL, r);
897 return r;
898 }
899 server = g_strdup(SESSION(session)->server);
900 switch(type) {
901 case IMAP_AUTH_ANON:
902 ok = imap_cmd_login(session, user, pass, "ANONYMOUS");
903 break;
904 case IMAP_AUTH_CRAM_MD5:
905 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
906 break;
907 case IMAP_AUTH_DIGEST_MD5:
908 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
909 break;
910 case IMAP_AUTH_SCRAM_SHA1:
911 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
912 break;
913 case IMAP_AUTH_PLAIN:
914 ok = imap_cmd_login(session, user, pass, "PLAIN");
915 break;
916 case IMAP_AUTH_OAUTH2:
917 ok = imap_cmd_login(session, user, pass, "XOAUTH2");
918 break;
919 case IMAP_AUTH_LOGIN:
920 ok = imap_cmd_login(session, user, pass, "LOGIN");
921 break;
922 case IMAP_AUTH_PLAINTEXT:
923 ok = imap_cmd_login(session, user, pass, "plaintext");
924 break;
925 case IMAP_AUTH_GSSAPI:
926 ok = imap_cmd_login(session, user, pass, "GSSAPI");
927 break;
928 default:
929 debug_print("capabilities:\n"
930 "\t ANONYMOUS %d\n"
931 "\t CRAM-MD5 %d\n"
932 "\t DIGEST-MD5 %d\n"
933 "\t SCRAM-SHA-1 %d\n"
934 "\t PLAIN %d\n"
935 "\t OAUTH2 %d\n"
936 "\t LOGIN %d\n"
937 "\t GSSAPI %d\n",
938 imap_has_capability(session, "ANONYMOUS"),
939 imap_has_capability(session, "CRAM-MD5"),
940 imap_has_capability(session, "DIGEST-MD5"),
941 imap_has_capability(session, "SCRAM-SHA-1"),
942 imap_has_capability(session, "PLAIN"),
943 imap_has_capability(session, "XOAUTH2"),
944 imap_has_capability(session, "LOGIN"),
945 imap_has_capability(session, "GSSAPI"));
946 if (imap_has_capability(session, "CRAM-MD5"))
947 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
948 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "DIGEST-MD5"))
949 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
950 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-1"))
951 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
952 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "PLAIN"))
953 ok = imap_cmd_login(session, user, pass, "PLAIN");
954 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "XOAUTH2"))
955 ok = imap_cmd_login(session, user, pass, "XOAUTH2");
956 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "LOGIN"))
957 ok = imap_cmd_login(session, user, pass, "LOGIN");
958 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "GSSAPI"))
959 ok = imap_cmd_login(session, user, pass, "GSSAPI");
960 if (ok == MAILIMAP_ERROR_LOGIN) /* we always try plaintext login before giving up */
961 ok = imap_cmd_login(session, user, pass, "plaintext");
962 }
963
964 if (ok == MAILIMAP_NO_ERROR)
965 session->authenticated = TRUE;
966 else {
967 if (type == IMAP_AUTH_CRAM_MD5) {
968 ext_info = _("\n\nCRAM-MD5 logins only work if libetpan has been "
969 "compiled with SASL support and the "
970 "CRAM-MD5 SASL plugin is installed.");
971 }
972
973 if (type == IMAP_AUTH_DIGEST_MD5) {
974 ext_info = _("\n\nDIGEST-MD5 logins only work if libetpan has been "
975 "compiled with SASL support and the "
976 "DIGEST-MD5 SASL plugin is installed.");
977 }
978
979 if (type == IMAP_AUTH_SCRAM_SHA1) {
980 ext_info = _("\n\nSCRAM-SHA-1 logins only work if libetpan has been "
981 "compiled with SASL support and the "
982 "SCRAM SASL plugin is installed.");
983 }
984
985 if (type == IMAP_AUTH_PLAIN) {
986 ext_info = _("\n\nPLAIN logins only work if libetpan has been "
987 "compiled with SASL support and the "
988 "PLAIN SASL plugin is installed.");
989 }
990
991 if (type == IMAP_AUTH_LOGIN) {
992 ext_info = _("\n\nLOGIN logins only work if libetpan has been "
993 "compiled with SASL support and the "
994 "LOGIN SASL plugin is installed.");
995 }
996
997 if (time(NULL) - last_login_err > 10) {
998 if (!prefs_common.no_recv_err_panel) {
999 alertpanel_error_log(_("Connection to %s failed: "
1000 "login refused.%s"),
1001 server, ext_info);
1002 } else {
1003 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
1004 "login refused.%s\n"),
1005 server, ext_info);
1006 }
1007 }
1008 last_login_err = time(NULL);
1009 }
1010 g_free(server);
1011 return ok;
1012 }
1013
imap_reconnect_if_possible(Folder * folder,IMAPSession * session)1014 static IMAPSession *imap_reconnect_if_possible(Folder *folder, IMAPSession *session)
1015 {
1016 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1017 /* Check if this is the first try to establish a
1018 connection, if yes we don't try to reconnect */
1019 debug_print("reconnecting\n");
1020 if (rfolder->session == NULL) {
1021 log_warning(LOG_PROTOCOL, _("Connecting to %s failed"),
1022 folder->account->recv_server);
1023 SESSION(session)->sock = NULL;
1024 imap_safe_destroy(session);
1025 session = NULL;
1026 } else {
1027 rfolder->session = NULL;
1028 log_warning(LOG_PROTOCOL, _("IMAP connection to %s has been"
1029 " disconnected. Reconnecting...\n"),
1030 folder->account->recv_server);
1031 statusbar_print_all(_("IMAP connection to %s has been"
1032 " disconnected. Reconnecting...\n"),
1033 folder->account->recv_server);
1034 SESSION(session)->state = SESSION_DISCONNECTED;
1035 SESSION(session)->sock = NULL;
1036 imap_safe_destroy(session);
1037 /* Clear folders session to make imap_session_get create
1038 a new session, because of rfolder->session == NULL
1039 it will not try to reconnect again and so avoid an
1040 endless loop */
1041 debug_print("getting session...\n");
1042 session = imap_session_get(folder);
1043 rfolder->session = SESSION(session);
1044 statusbar_pop_all();
1045 }
1046 return session;
1047 }
1048
imap_session_get(Folder * folder)1049 static IMAPSession *imap_session_get(Folder *folder)
1050 {
1051 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1052 IMAPSession *session = NULL;
1053 gint r = MAILIMAP_NO_ERROR;
1054
1055 g_return_val_if_fail(folder != NULL, NULL);
1056 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, NULL);
1057 g_return_val_if_fail(folder->account != NULL, NULL);
1058
1059 if (prefs_common.work_offline &&
1060 !inc_offline_should_override(FALSE,
1061 _("Claws Mail needs network access in order "
1062 "to access the IMAP server."))) {
1063 return NULL;
1064 }
1065
1066 /* check for deferred destroy */
1067 if (rfolder->session != NULL) {
1068 session = IMAP_SESSION(rfolder->session);
1069 if (!session->busy && session->do_destroy) {
1070 rfolder->session = NULL;
1071 imap_safe_destroy(session);
1072 session = NULL;
1073 }
1074 }
1075
1076 /* Make sure we have a session */
1077 if (rfolder->session != NULL && rfolder->session->state != SESSION_DISCONNECTED) {
1078 session = IMAP_SESSION(rfolder->session);
1079 } else if (rfolder->session != NULL && rfolder->session->state == SESSION_DISCONNECTED) {
1080 imap_safe_destroy(IMAP_SESSION(rfolder->session));
1081 rfolder->session = NULL;
1082 goto new_conn;
1083 } else if (rfolder->connecting) {
1084 debug_print("already connecting\n");
1085 return NULL;
1086 } else {
1087 new_conn:
1088 imap_reset_uid_lists(folder);
1089 if (time(NULL) - rfolder->last_failure <= 2)
1090 return NULL;
1091 rfolder->connecting = TRUE;
1092 session = imap_session_new(folder, folder->account);
1093 }
1094 if(session == NULL) {
1095 rfolder->last_failure = time(NULL);
1096 rfolder->connecting = FALSE;
1097 return NULL;
1098 }
1099
1100 /* Make sure session is authenticated */
1101 if (!IMAP_SESSION(session)->authenticated)
1102 r = imap_session_authenticate(IMAP_SESSION(session), folder->account);
1103
1104 if (r != MAILIMAP_NO_ERROR || (!is_fatal(r) && !IMAP_SESSION(session)->authenticated)) {
1105 rfolder->session = NULL;
1106 if (!is_fatal(r)) {
1107 imap_threaded_disconnect(session->folder);
1108 }
1109 SESSION(session)->state = SESSION_DISCONNECTED;
1110 SESSION(session)->sock = NULL;
1111 imap_safe_destroy(session);
1112 rfolder->last_failure = time(NULL);
1113 rfolder->connecting = FALSE;
1114 return NULL;
1115 }
1116
1117 /* I think the point of this code is to avoid sending a
1118 * keepalive if we've used the session recently and therefore
1119 * think it's still alive. Unfortunately, most of the code
1120 * does not yet check for errors on the socket, and so if the
1121 * connection drops we don't notice until the timeout expires.
1122 * A better solution than sending a NOOP every time would be
1123 * for every command to be prepared to retry until it is
1124 * successfully sent. -- mbp */
1125 if ((time(NULL) - SESSION(session)->last_access_time > SESSION_TIMEOUT_INTERVAL) || session->cancelled) {
1126 /* verify that the session is still alive */
1127 r = imap_cmd_noop(session);
1128
1129 if (r != MAILIMAP_NO_ERROR) {
1130 debug_print("disconnected!\n");
1131 if (!is_fatal(r))
1132 session = imap_reconnect_if_possible(folder, session);
1133 else {
1134 rfolder->session = NULL;
1135 rfolder->connecting = FALSE;
1136 SESSION(session)->state = SESSION_DISCONNECTED;
1137 SESSION(session)->sock = NULL;
1138 imap_safe_destroy(session);
1139 session = imap_session_get(folder);
1140 }
1141 }
1142 if (session)
1143 session->cancelled = FALSE;
1144 }
1145
1146 rfolder->session = SESSION(session);
1147 rfolder->connecting = FALSE;
1148
1149 return IMAP_SESSION(session);
1150 }
1151
imap_session_new(Folder * folder,const PrefsAccount * account)1152 static IMAPSession *imap_session_new(Folder * folder,
1153 const PrefsAccount *account)
1154 {
1155 IMAPSession *session;
1156 ProxyInfo *proxy_info = NULL;
1157 gushort port;
1158 int r;
1159 int authenticated = FALSE;
1160 gchar *buf;
1161
1162 #ifdef USE_GNUTLS
1163 /* FIXME: IMAP over SSL only... */
1164 SSLType ssl_type;
1165
1166 port = account->set_imapport ? account->imapport
1167 : account->ssl_imap == SSL_TUNNEL ? IMAPS_PORT : IMAP4_PORT;
1168 ssl_type = account->ssl_imap;
1169 #else
1170 if (account->ssl_imap != SSL_NONE) {
1171 if (alertpanel_full(_("Insecure connection"),
1172 _("This connection is configured to be secured "
1173 "using SSL/TLS, but SSL/TLS is not available "
1174 "in this build of Claws Mail. \n\n"
1175 "Do you want to continue connecting to this "
1176 "server? The communication would not be "
1177 "secure."),
1178 GTK_STOCK_CANCEL, _("Con_tinue connecting"), NULL,
1179 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING) != G_ALERTALTERNATE)
1180 return NULL;
1181 }
1182 port = account->set_imapport ? account->imapport
1183 : IMAP4_PORT;
1184 #endif
1185
1186 imap_init(folder);
1187 buf = g_strdup_printf(_("Account '%s': Connecting to IMAP server: %s:%d..."),
1188 folder->account->account_name, folder->account->recv_server,
1189 port);
1190 statusbar_print_all("%s", buf);
1191 log_message(LOG_PROTOCOL, "%s\n", buf);
1192 g_free(buf);
1193
1194 if (account->use_proxy) {
1195 if (account->use_default_proxy) {
1196 proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
1197 if (proxy_info->use_proxy_auth)
1198 proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
1199 PWS_CORE_PROXY_PASS);
1200 } else {
1201 proxy_info = (ProxyInfo *)&(account->proxy_info);
1202 if (proxy_info->use_proxy_auth)
1203 proxy_info->proxy_pass = passwd_store_get_account(account->account_id,
1204 PWS_ACCOUNT_PROXY_PASS);
1205 }
1206 }
1207
1208 #ifndef G_OS_WIN32
1209 if (account->set_tunnelcmd) {
1210 r = imap_threaded_connect_cmd(folder,
1211 account->tunnelcmd,
1212 account->recv_server,
1213 port);
1214 }
1215 else
1216 #endif
1217 {
1218 #ifdef USE_GNUTLS
1219
1220 if (ssl_type == SSL_TUNNEL) {
1221 r = imap_threaded_connect_ssl(folder,
1222 account->recv_server,
1223 port,
1224 proxy_info);
1225 }
1226 else
1227 #endif
1228 {
1229 r = imap_threaded_connect(folder,
1230 account->recv_server,
1231 port,
1232 proxy_info);
1233 }
1234 }
1235
1236 statusbar_pop_all();
1237 if (r == MAILIMAP_NO_ERROR_AUTHENTICATED) {
1238 authenticated = TRUE;
1239 }
1240 else if (r == MAILIMAP_NO_ERROR_NON_AUTHENTICATED) {
1241 authenticated = FALSE;
1242 }
1243 else {
1244 #ifdef USE_GNUTLS
1245 if (r == MAILIMAP_ERROR_SSL)
1246 log_error(LOG_PROTOCOL, _("SSL/TLS handshake failed\n"));
1247 else
1248 #endif
1249 imap_handle_error(NULL, account->recv_server, r);
1250
1251 if(!prefs_common.no_recv_err_panel) {
1252 alertpanel_error_log(_("Can't connect to IMAP server: %s:%d"),
1253 account->recv_server, port);
1254 } else {
1255 log_error(LOG_PROTOCOL, _("Can't connect to IMAP server: %s:%d\n"),
1256 account->recv_server, port);
1257 }
1258
1259 return NULL;
1260 }
1261
1262 session = g_new0(IMAPSession, 1);
1263 session_init(SESSION(session), account, FALSE);
1264 SESSION(session)->type = SESSION_IMAP;
1265 SESSION(session)->server = g_strdup(account->recv_server);
1266 SESSION(session)->port = port;
1267 SESSION(session)->sock = NULL;
1268 SESSION(session)->proxy_info = proxy_info;
1269 SESSION(session)->destroy = imap_session_destroy;
1270
1271 session->capability = NULL;
1272 session->authenticated = authenticated;
1273 session->mbox = NULL;
1274 session->exists = 0;
1275 session->recent = 0;
1276 session->expunge = 0;
1277 session->cmd_count = 0;
1278 session->folder = folder;
1279 IMAP_FOLDER(session->folder)->last_seen_separator = 0;
1280
1281 #ifdef USE_GNUTLS
1282 if (account->ssl_imap == SSL_STARTTLS) {
1283 gint ok;
1284
1285 ok = imap_cmd_starttls(session);
1286 if (ok != MAILIMAP_NO_ERROR) {
1287 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
1288 if (!is_fatal(ok)) {
1289 SESSION(session)->sock = NULL;
1290 imap_safe_destroy(session);
1291 }
1292 return NULL;
1293 }
1294
1295 imap_free_capabilities(session);
1296 session->authenticated = FALSE;
1297 session->uidplus = FALSE;
1298 session->cmd_count = 1;
1299 }
1300 SESSION(session)->use_tls_sni = account->use_tls_sni;
1301 #endif
1302
1303 log_message(LOG_PROTOCOL, "IMAP connection is %s-authenticated\n",
1304 (session->authenticated) ? "pre" : "un");
1305
1306 session_register_ping(SESSION(session), imap_ping);
1307
1308 return session;
1309 }
1310
imap_session_authenticate(IMAPSession * session,PrefsAccount * account)1311 static gint imap_session_authenticate(IMAPSession *session,
1312 PrefsAccount *account)
1313 {
1314 gchar *pass, *acc_pass = NULL;
1315 gboolean failed = FALSE;
1316 gint ok = MAILIMAP_NO_ERROR;
1317 g_return_val_if_fail(account->userid != NULL, MAILIMAP_ERROR_BAD_STATE);
1318
1319 if(account->imap_auth_type == IMAP_AUTH_OAUTH2)
1320 oauth2_check_passwds (account);
1321
1322 if (!password_get(account->userid, account->recv_server, "imap",
1323 SESSION(session)->port, &acc_pass)) {
1324 acc_pass = passwd_store_get_account(account->account_id,
1325 PWS_ACCOUNT_RECV);
1326 }
1327
1328 try_again:
1329 pass = acc_pass;
1330 if (!pass && account->imap_auth_type != IMAP_AUTH_ANON && account->imap_auth_type != IMAP_AUTH_GSSAPI) {
1331 gchar *tmp_pass;
1332 tmp_pass = input_dialog_query_password_keep(account->recv_server,
1333 account->userid,
1334 &(account->session_passwd));
1335 if (!tmp_pass) {
1336 return MAILIMAP_NO_ERROR;
1337 }
1338 Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return MAILIMAP_NO_ERROR;});
1339 g_free(tmp_pass);
1340 } else if (account->imap_auth_type == IMAP_AUTH_ANON || account->imap_auth_type == IMAP_AUTH_GSSAPI) {
1341 pass = "";
1342 }
1343 if ((ok = imap_auth(session, account->userid, pass, account->imap_auth_type)) != MAILIMAP_NO_ERROR) {
1344
1345 if (!failed && !is_fatal(ok)) {
1346 if (acc_pass != NULL) {
1347 memset(acc_pass, 0, strlen(acc_pass));
1348 g_free(acc_pass);
1349 acc_pass = NULL;
1350 }
1351 failed = TRUE;
1352 if (account->session_passwd != NULL) {
1353 g_free(account->session_passwd);
1354 account->session_passwd = NULL;
1355 }
1356 goto try_again;
1357 } else {
1358 if (prefs_common.no_recv_err_panel) {
1359 log_error(LOG_PROTOCOL, _("Couldn't login to IMAP server %s.\n"), account->recv_server);
1360 mainwindow_show_error();
1361 } else
1362 alertpanel_error_log(_("Couldn't login to IMAP server %s."), account->recv_server);
1363 }
1364
1365 if (acc_pass != NULL) {
1366 memset(acc_pass, 0, strlen(acc_pass));
1367 g_free(acc_pass);
1368 acc_pass = NULL;
1369 }
1370
1371 return ok;
1372 }
1373
1374 if (acc_pass) {
1375 memset(acc_pass, 0, strlen(acc_pass));
1376 g_free(acc_pass);
1377 }
1378 statusbar_pop_all();
1379 session->authenticated = TRUE;
1380 return MAILIMAP_NO_ERROR;
1381 }
1382
imap_session_destroy(Session * session)1383 static void imap_session_destroy(Session *session)
1384 {
1385 if (session->state != SESSION_DISCONNECTED)
1386 imap_threaded_disconnect(IMAP_SESSION(session)->folder);
1387
1388 imap_free_capabilities(IMAP_SESSION(session));
1389 g_free(IMAP_SESSION(session)->mbox);
1390 }
1391
imap_fetch_msg(Folder * folder,FolderItem * item,gint uid)1392 static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
1393 {
1394 return imap_fetch_msg_full(folder, item, uid, TRUE, TRUE);
1395 }
1396
get_file_size_with_crs(const gchar * filename)1397 static guint get_file_size_with_crs(const gchar *filename)
1398 {
1399 FILE *fp = NULL;
1400 guint cnt = 0;
1401 gchar buf[4096];
1402
1403 if (filename == NULL)
1404 return -1;
1405
1406 fp = claws_fopen(filename, "rb");
1407 if (!fp)
1408 return -1;
1409
1410 while (claws_fgets(buf, sizeof (buf), fp) != NULL) {
1411 cnt += strlen(buf);
1412 if (!strstr(buf, "\r\n") && strstr(buf, "\n"))
1413 cnt++;
1414 }
1415
1416 claws_fclose(fp);
1417 return cnt;
1418 }
1419
imap_get_cached_filename(FolderItem * item,guint msgnum)1420 static gchar *imap_get_cached_filename(FolderItem *item, guint msgnum)
1421 {
1422 gchar *path, *filename;
1423
1424 cm_return_val_if_fail(item != NULL, NULL);
1425
1426 path = folder_item_get_path(item);
1427
1428 if (!is_dir_exist(path)) {
1429 g_free(path);
1430 return NULL;
1431 }
1432
1433 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
1434
1435 if (is_dir_exist(filename)) {
1436 g_free(filename);
1437 filename = g_strconcat(path, G_DIR_SEPARATOR_S, ".", itos(msgnum), NULL);
1438 }
1439 g_free(path);
1440
1441 return filename;
1442 }
1443
imap_remove_cached_msg(Folder * folder,FolderItem * item,MsgInfo * msginfo)1444 static void imap_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
1445 {
1446 gchar *filename;
1447
1448 filename = imap_get_cached_filename(item, msginfo->msgnum);
1449
1450 cm_return_if_fail(filename != NULL);
1451
1452 if (is_file_exist(filename)) {
1453 claws_unlink(filename);
1454 }
1455 g_free(filename);
1456 }
1457
1458 typedef struct _TagsData {
1459 gchar *str;
1460 GSList *msglist;
1461 IMAPFolderItem *item;
1462 } TagsData;
1463
imap_commit_tags(FolderItem * item,MsgInfo * msginfo,GSList * tags_set,GSList * tags_unset)1464 static void imap_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
1465 {
1466 IMAPSession *session;
1467 gint ok, can_create_tags;
1468 Folder *folder = NULL;
1469 TagsData *ht_data = NULL;
1470 GSList *cur;
1471
1472 g_return_if_fail(item != NULL);
1473 g_return_if_fail(msginfo != NULL);
1474
1475 folder = item->folder;
1476 debug_print("getting session...\n");
1477 session = imap_session_get(folder);
1478
1479 if (!session) {
1480 debug_print("can't get session\n");
1481 return;
1482 }
1483
1484 ok = imap_select(session, IMAP_FOLDER(folder), item,
1485 NULL, NULL, NULL, NULL, &can_create_tags, FALSE);
1486
1487 if (ok != MAILIMAP_NO_ERROR) {
1488 return;
1489 }
1490
1491
1492 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS)
1493 return;
1494
1495 if (IMAP_FOLDER_ITEM(item)->batching) {
1496 /* instead of performing an UID STORE command for each message change,
1497 * as a lot of them can change "together", we just fill in hashtables
1498 * and defer the treatment so that we're able to send only one
1499 * command.
1500 */
1501 debug_print("IMAP batch mode on, deferring tags change\n");
1502 for (cur = tags_set; cur; cur = cur->next) {
1503 gint cur_tag = GPOINTER_TO_INT(cur->data);
1504 if (cur_tag) {
1505 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_set_table,
1506 GINT_TO_POINTER(cur_tag));
1507 if (ht_data == NULL) {
1508 ht_data = g_new0(TagsData, 1);
1509 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1510 ht_data->item = IMAP_FOLDER_ITEM(item);
1511 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_set_table,
1512 GINT_TO_POINTER(cur_tag), ht_data);
1513 }
1514 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1515 }
1516 }
1517 for (cur = tags_unset; cur; cur = cur->next) {
1518 gint cur_tag = GPOINTER_TO_INT(cur->data);
1519 if (cur_tag) {
1520 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1521 GINT_TO_POINTER(cur_tag));
1522 if (ht_data == NULL) {
1523 ht_data = g_new0(TagsData, 1);
1524 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1525 ht_data->item = IMAP_FOLDER_ITEM(item);
1526 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1527 GINT_TO_POINTER(cur_tag), ht_data);
1528 }
1529 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1530 }
1531 }
1532 } else {
1533 GSList *list_set = NULL;
1534 GSList *list_unset = NULL;
1535 GSList numlist;
1536
1537 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
1538 numlist.next = NULL;
1539
1540 debug_print("IMAP changing tags NOW\n");
1541 for (cur = tags_set; cur; cur = cur->next) {
1542 gint cur_tag = GPOINTER_TO_INT(cur->data);
1543 const gchar *str = tags_get_tag(cur_tag);
1544 if (IS_NOT_RESERVED_TAG(str))
1545 list_set = g_slist_prepend(list_set, g_strdup(str));
1546 }
1547 if (list_set) {
1548 ok = imap_set_message_flags(session,
1549 IMAP_FOLDER_ITEM(item), &numlist, 0, list_set, TRUE);
1550 slist_free_strings_full(list_set);
1551 if (ok != MAILIMAP_NO_ERROR) {
1552 return;
1553 }
1554 }
1555
1556 for (cur = tags_unset; cur; cur = cur->next) {
1557 gint cur_tag = GPOINTER_TO_INT(cur->data);
1558 const gchar *str = tags_get_tag(cur_tag);
1559 if (IS_NOT_RESERVED_TAG(str))
1560 list_unset = g_slist_prepend(list_unset, g_strdup(str));
1561 }
1562 if (list_unset) {
1563 ok = imap_set_message_flags(session,
1564 IMAP_FOLDER_ITEM(item), &numlist, 0, list_unset, FALSE);
1565 slist_free_strings_full(list_unset);
1566 if (ok != MAILIMAP_NO_ERROR) {
1567 return;
1568 }
1569 }
1570 }
1571 }
1572
imap_fetch_msg_full(Folder * folder,FolderItem * item,gint uid,gboolean headers,gboolean body)1573 static gchar *imap_fetch_msg_full(Folder *folder, FolderItem *item, gint uid,
1574 gboolean headers, gboolean body)
1575 {
1576 gchar *path, *filename;
1577 IMAPSession *session;
1578 gint ok;
1579
1580 g_return_val_if_fail(folder != NULL, NULL);
1581 g_return_val_if_fail(item != NULL, NULL);
1582
1583 if (uid == 0)
1584 return NULL;
1585
1586 path = folder_item_get_path(item);
1587 if (!is_dir_exist(path)) {
1588 if(is_file_exist(path))
1589 claws_unlink(path);
1590 make_dir_hier(path);
1591 }
1592 g_free(path);
1593
1594 filename = imap_get_cached_filename(item, uid);
1595 debug_print("trying to fetch cached %s\n", filename);
1596
1597 if (is_file_exist(filename)) {
1598 /* see whether the local file represents the whole message
1599 * or not. As the IMAP server reports size with \r chars,
1600 * we have to update the local file (UNIX \n only) size */
1601 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1602 guint have_size = -1;
1603
1604 if (cached)
1605 debug_print("message %d has been already %scached.\n", uid,
1606 MSG_IS_FULLY_CACHED(cached->flags) ? "fully ":"");
1607
1608 if (!cached || !MSG_IS_FULLY_CACHED(cached->flags)) {
1609 have_size = get_file_size_with_crs(filename);
1610 if (cached && (cached->size <= have_size || !body)) {
1611 ok = file_strip_crs(filename);
1612 if (ok == 0 && cached && cached->size <= have_size) {
1613 /* we have it all and stripped */
1614 debug_print("...fully cached in fact (%u/%"G_GOFFSET_FORMAT"); setting flag.\n",
1615 have_size, cached->size);
1616 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1617 }
1618 procmsg_msginfo_free(&cached);
1619 return filename;
1620 } else if (!cached && time(NULL) - get_file_mtime(filename) < 60) {
1621 debug_print("message not cached and file recent, considering file complete\n");
1622 ok = file_strip_crs(filename);
1623 if (ok == 0)
1624 return filename;
1625 } else {
1626 procmsg_msginfo_free(&cached);
1627 }
1628 }
1629 if (cached && MSG_IS_FULLY_CACHED(cached->flags)) {
1630 procmsg_msginfo_free(&cached);
1631 return filename;
1632 }
1633 } else {
1634 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1635 if (cached) {
1636 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1637 procmsg_msginfo_free(&cached);
1638 }
1639 }
1640
1641 debug_print("getting session...\n");
1642 session = imap_session_get(folder);
1643
1644 if (!session) {
1645 g_free(filename);
1646 return NULL;
1647 }
1648 session_set_access_time(SESSION(session));
1649 lock_session(session); /* unlocked later in the function */
1650
1651 debug_print("IMAP fetching messages\n");
1652 ok = imap_select(session, IMAP_FOLDER(folder), item,
1653 NULL, NULL, NULL, NULL, NULL, FALSE);
1654 if (ok != MAILIMAP_NO_ERROR) {
1655 g_warning("can't select mailbox %s", item->path);
1656 g_free(filename);
1657 return NULL;
1658 }
1659
1660 session_set_access_time(SESSION(session));
1661
1662 debug_print("getting message %d...\n", uid);
1663 ok = imap_cmd_fetch(session, (guint32)uid, filename, headers, body);
1664
1665 if (ok != MAILIMAP_NO_ERROR) {
1666 g_warning("can't fetch message %d", uid);
1667 g_free(filename);
1668 return NULL;
1669 }
1670
1671 session_set_access_time(SESSION(session));
1672 unlock_session(session);
1673
1674 ok = file_strip_crs(filename);
1675
1676 if (ok == 0 && headers && body) {
1677 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1678 if (cached) {
1679 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1680 procmsg_msginfo_free(&cached);
1681 }
1682 } else if (ok == -1) {
1683 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1684 if (cached) {
1685 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1686 procmsg_msginfo_free(&cached);
1687 }
1688 }
1689 return filename;
1690 }
1691
imap_is_msg_fully_cached(Folder * folder,FolderItem * item,gint uid)1692 static gboolean imap_is_msg_fully_cached(Folder *folder, FolderItem *item, gint uid)
1693 {
1694 gchar *filename;
1695 guint size = 0;
1696 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1697
1698 if (!cached)
1699 return FALSE;
1700
1701 if (MSG_IS_FULLY_CACHED(cached->flags)) {
1702 procmsg_msginfo_free(&cached);
1703 return TRUE;
1704 }
1705
1706 filename = imap_get_cached_filename(item, uid);
1707
1708 if (is_file_exist(filename)) {
1709 if (cached && cached->total_size == cached->size) {
1710 /* fast path */
1711 g_free(filename);
1712 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1713 return TRUE;
1714 }
1715 size = get_file_size_with_crs(filename);
1716 }
1717 g_free(filename);
1718 debug_print("msg %d cached, has size %d, full should be %"G_GOFFSET_FORMAT".\n", uid, size, cached->size);
1719 if (cached && size >= cached->size) {
1720 cached->total_size = cached->size;
1721 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1722 procmsg_msginfo_free(&cached);
1723 return TRUE;
1724 }
1725 if (cached)
1726 procmsg_msginfo_free(&cached);
1727 return FALSE;
1728 }
1729
imap_cache_msg(FolderItem * item,gint msgnum)1730 void imap_cache_msg(FolderItem *item, gint msgnum)
1731 {
1732 Folder *folder = NULL;
1733
1734 if (!item)
1735 return;
1736 folder = item->folder;
1737
1738 if (!imap_is_msg_fully_cached(folder, item, msgnum)) {
1739 gchar *tmp = imap_fetch_msg_full(folder, item, msgnum, TRUE, TRUE);
1740 debug_print("fetched %s\n", tmp);
1741 g_free(tmp);
1742 }
1743 }
1744
imap_add_msg(Folder * folder,FolderItem * dest,const gchar * file,MsgFlags * flags)1745 static gint imap_add_msg(Folder *folder, FolderItem *dest,
1746 const gchar *file, MsgFlags *flags)
1747 {
1748 gint ret;
1749 GSList file_list;
1750 MsgFileInfo fileinfo;
1751
1752 g_return_val_if_fail(file != NULL, -1);
1753
1754 fileinfo.msginfo = NULL;
1755 fileinfo.file = (gchar *)file;
1756 fileinfo.flags = flags;
1757 file_list.data = &fileinfo;
1758 file_list.next = NULL;
1759
1760 ret = imap_add_msgs(folder, dest, &file_list, NULL);
1761 return ret;
1762 }
1763
imap_add_msgs(Folder * folder,FolderItem * dest,GSList * file_list,GHashTable * relation)1764 static gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
1765 GHashTable *relation)
1766 {
1767 gchar *destdir;
1768 IMAPSession *session;
1769 guint32 last_uid = 0;
1770 GSList *cur;
1771 MsgFileInfo *fileinfo;
1772 gint ok = MAILIMAP_NO_ERROR;
1773 gint curnum = 0, total = 0;
1774 gboolean missing_uids = FALSE;
1775
1776 g_return_val_if_fail(folder != NULL, -1);
1777 g_return_val_if_fail(dest != NULL, -1);
1778 g_return_val_if_fail(file_list != NULL, -1);
1779
1780 debug_print("getting session...\n");
1781 session = imap_session_get(folder);
1782 if (!session) {
1783 return -1;
1784 }
1785 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
1786 if (is_fatal(ok)) {
1787 g_free(destdir);
1788 return -1;
1789 }
1790 statusbar_print_all(_("Adding messages..."));
1791 total = g_slist_length(file_list);
1792 for (cur = file_list; cur != NULL; cur = cur->next) {
1793 IMAPFlags iflags = 0;
1794 guint32 new_uid = 0;
1795 gchar *real_file = NULL;
1796 fileinfo = (MsgFileInfo *)cur->data;
1797
1798 statusbar_progress_all(curnum, total, total < 10 ? 1:10);
1799 curnum++;
1800
1801 if (fileinfo->flags) {
1802 if (MSG_IS_MARKED(*fileinfo->flags))
1803 iflags |= IMAP_FLAG_FLAGGED;
1804 if (MSG_IS_REPLIED(*fileinfo->flags))
1805 iflags |= IMAP_FLAG_ANSWERED;
1806 if (MSG_IS_FORWARDED(*fileinfo->flags))
1807 iflags |= IMAP_FLAG_FORWARDED;
1808 if (MSG_IS_SPAM(*fileinfo->flags))
1809 iflags |= IMAP_FLAG_SPAM;
1810 else
1811 iflags |= IMAP_FLAG_HAM;
1812 if (!MSG_IS_UNREAD(*fileinfo->flags))
1813 iflags |= IMAP_FLAG_SEEN;
1814
1815 }
1816
1817 if (real_file == NULL)
1818 real_file = g_strdup(fileinfo->file);
1819
1820 if (folder_has_parent_of_type(dest, F_QUEUE) ||
1821 folder_has_parent_of_type(dest, F_OUTBOX) ||
1822 folder_has_parent_of_type(dest, F_DRAFT) ||
1823 folder_has_parent_of_type(dest, F_TRASH))
1824 iflags |= IMAP_FLAG_SEEN;
1825
1826 ok = imap_cmd_append(session, IMAP_FOLDER_ITEM(dest), destdir, real_file, iflags,
1827 &new_uid);
1828
1829 if (ok != MAILIMAP_NO_ERROR) {
1830 g_warning("can't append message %s", real_file);
1831 g_free(real_file);
1832 g_free(destdir);
1833 statusbar_progress_all(0,0,0);
1834 statusbar_pop_all();
1835 return -1;
1836 } else {
1837 debug_print("appended new message as %d\n", new_uid);
1838 /* put the local file in the imapcache, so that we don't
1839 * have to fetch it back later. */
1840
1841 if (new_uid == 0) {
1842 missing_uids = TRUE;
1843 debug_print("Missing UID (0)\n");
1844 }
1845 if (new_uid > 0) {
1846 gchar *cache_path = folder_item_get_path(dest);
1847 if (!is_dir_exist(cache_path))
1848 make_dir_hier(cache_path);
1849 if (is_dir_exist(cache_path)) {
1850 gchar *cache_file = g_strconcat(
1851 cache_path, G_DIR_SEPARATOR_S,
1852 itos(new_uid), NULL);
1853 copy_file(real_file, cache_file, TRUE);
1854 debug_print("got UID %d, copied to cache: %s\n", new_uid, cache_file);
1855 g_free(cache_file);
1856 }
1857 g_free(cache_path);
1858 }
1859 }
1860
1861 if (relation != NULL)
1862 g_hash_table_insert(relation, fileinfo->msginfo != NULL ?
1863 (gpointer) fileinfo->msginfo : (gpointer) fileinfo,
1864 GINT_TO_POINTER(new_uid));
1865 if (last_uid < new_uid) {
1866 last_uid = new_uid;
1867 }
1868
1869 g_free(real_file);
1870 }
1871
1872 statusbar_progress_all(0,0,0);
1873 statusbar_pop_all();
1874
1875
1876 g_free(destdir);
1877
1878 imap_scan_required(folder, dest);
1879
1880 session = imap_session_get(folder);
1881 if (!session) {
1882 return -1;
1883 }
1884 if (missing_uids) {
1885 gint a;
1886 ok = imap_select(session, IMAP_FOLDER(folder), dest,
1887 &a, NULL, NULL, NULL, NULL, FALSE);
1888 }
1889 return last_uid;
1890 }
1891
flatten_mailimap_set(struct mailimap_set * set)1892 static GSList *flatten_mailimap_set(struct mailimap_set * set)
1893 {
1894 GSList *result = NULL;
1895 clistiter *list;
1896 guint32 start, end, t;
1897 GSList *cur;
1898
1899 if (!set || !set->set_list)
1900 return NULL;
1901
1902 for (list = clist_begin(set->set_list); list; list = clist_next(list)) {
1903 struct mailimap_set_item *item = (struct mailimap_set_item *)clist_content(list);
1904 start = item->set_first;
1905 end = item->set_last;
1906 if (start <= end) {
1907 for (t = start; t <= end; t++) {
1908 result = g_slist_prepend(result, GINT_TO_POINTER(t));
1909 }
1910 }
1911 }
1912 result = g_slist_reverse(result);
1913 if (debug_get_mode()) {
1914 debug_print("flat imap set: ");
1915 for (cur = result; cur; cur = cur->next) {
1916 debug_print("%d ", GPOINTER_TO_INT(cur->data));
1917 }
1918 debug_print("\n");
1919 }
1920
1921 return result;
1922 }
imap_do_copy_msgs(Folder * folder,FolderItem * dest,MsgInfoList * msglist,GHashTable * relation,gboolean same_dest_ok)1923 static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
1924 MsgInfoList *msglist, GHashTable *relation,
1925 gboolean same_dest_ok)
1926 {
1927 FolderItem *src;
1928 gchar *destdir;
1929 GSList *seq_list, *cur;
1930 MsgInfo *msginfo;
1931 IMAPSession *session;
1932 gint ok = MAILIMAP_NO_ERROR;
1933 GHashTable *uid_hash;
1934 gint last_num = 0;
1935
1936 g_return_val_if_fail(folder != NULL, -1);
1937 g_return_val_if_fail(dest != NULL, -1);
1938 g_return_val_if_fail(msglist != NULL, -1);
1939
1940 debug_print("getting session...\n");
1941 session = imap_session_get(folder);
1942
1943 if (!session) {
1944 return -1;
1945 }
1946
1947 msginfo = (MsgInfo *)msglist->data;
1948 src = msginfo->folder;
1949 if (!same_dest_ok && src == dest) {
1950 g_warning("the src folder is identical to the dest.");
1951 return -1;
1952 }
1953
1954 if (src->folder != dest->folder) {
1955 GSList *infolist = NULL, *cur;
1956 int res = -1;
1957 for (cur = msglist; cur; cur = cur->next) {
1958 msginfo = (MsgInfo *)cur->data;
1959 MsgFileInfo *fileinfo = g_new0(MsgFileInfo, 1);
1960 fileinfo->file = procmsg_get_message_file(msginfo);
1961 fileinfo->flags = &(msginfo->flags);
1962 infolist = g_slist_prepend(infolist, fileinfo);
1963 }
1964 infolist = g_slist_reverse(infolist);
1965 res = folder_item_add_msgs(dest, infolist, FALSE);
1966 for (cur = infolist; cur; cur = cur->next) {
1967 MsgFileInfo *info = (MsgFileInfo *)cur->data;
1968 g_free(info->file);
1969 g_free(info);
1970 }
1971 g_slist_free(infolist);
1972 return res;
1973 }
1974
1975 lock_session(session); /* unlocked later in the function */
1976
1977 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
1978 NULL, NULL, NULL, NULL, NULL, FALSE);
1979 if (ok != MAILIMAP_NO_ERROR) {
1980 return ok;
1981 }
1982
1983 unlock_session(session);
1984
1985 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
1986
1987 if (is_fatal(ok)) {
1988 g_free(destdir);
1989 return ok;
1990 }
1991
1992 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msglist);
1993 uid_hash = g_hash_table_new(g_direct_hash, g_direct_equal);
1994
1995 statusbar_print_all(_("Copying messages..."));
1996 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
1997 struct mailimap_set * seq_set;
1998 struct mailimap_set * source = NULL;
1999 struct mailimap_set * dest = NULL;
2000 seq_set = cur->data;
2001
2002 debug_print("Copying messages from %s to %s ...\n",
2003 src->path, destdir);
2004
2005 lock_session(session); /* unlocked later in the function */
2006 ok = imap_cmd_copy(session, seq_set, destdir,
2007 &source, &dest);
2008
2009 if (is_fatal(ok)) {
2010 session = NULL;
2011 }
2012
2013 if (ok == MAILIMAP_NO_ERROR) {
2014 unlock_session(session);
2015 if (relation && source && dest) {
2016 GSList *s_list = flatten_mailimap_set(source);
2017 GSList *d_list = flatten_mailimap_set(dest);
2018 GSList *s_cur, *d_cur;
2019 if (g_slist_length(s_list) == g_slist_length(d_list)) {
2020
2021 for (s_cur = s_list, d_cur = d_list;
2022 s_cur && d_cur;
2023 s_cur = s_cur->next, d_cur = d_cur->next) {
2024 g_hash_table_insert(uid_hash, s_cur->data, d_cur->data);
2025 }
2026
2027 } else {
2028 debug_print("hhhmm, source list length != dest list length.\n");
2029 }
2030 g_slist_free(s_list);
2031 g_slist_free(d_list);
2032 }
2033 }
2034
2035
2036 if (source)
2037 mailimap_set_free(source);
2038 if (dest)
2039 mailimap_set_free(dest);
2040
2041 if (ok != MAILIMAP_NO_ERROR) {
2042 g_hash_table_destroy(uid_hash);
2043 imap_lep_set_free(seq_list);
2044 statusbar_pop_all();
2045 return -1;
2046 }
2047 }
2048
2049 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
2050 MsgInfo *msginfo = (MsgInfo *)cur->data;
2051 gpointer hashval;
2052
2053 hashval = g_hash_table_lookup(uid_hash, GINT_TO_POINTER(msginfo->msgnum));
2054
2055 if (hashval != NULL) {
2056 gint num = GPOINTER_TO_INT(hashval);
2057 g_hash_table_insert(relation, msginfo,
2058 GINT_TO_POINTER(num));
2059 if (num > last_num)
2060 last_num = num;
2061 debug_print("copied message %d as %d\n", msginfo->msgnum, num);
2062 /* put the local file in the imapcache, so that we don't
2063 * have to fetch it back later. */
2064 if (num > 0) {
2065 gchar *cache_path = folder_item_get_path(msginfo->folder);
2066 gchar *real_file = g_strconcat(
2067 cache_path, G_DIR_SEPARATOR_S,
2068 itos(msginfo->msgnum), NULL);
2069 gchar *cache_file = NULL;
2070 g_free(cache_path);
2071 cache_path = folder_item_get_path(dest);
2072 cache_file = g_strconcat(
2073 cache_path, G_DIR_SEPARATOR_S,
2074 itos(num), NULL);
2075 if (!is_dir_exist(cache_path))
2076 make_dir_hier(cache_path);
2077 if (is_file_exist(real_file) && is_dir_exist(cache_path)) {
2078 if (copy_file(real_file, cache_file, TRUE) < 0)
2079 debug_print("couldn't cache to %s: %s\n", cache_file,
2080 strerror(errno));
2081 else
2082 debug_print("copied to cache: %s\n", cache_file);
2083 }
2084 g_free(real_file);
2085 g_free(cache_file);
2086 g_free(cache_path);
2087 }
2088 } else
2089 g_hash_table_insert(relation, msginfo,
2090 GINT_TO_POINTER(0));
2091 }
2092 statusbar_pop_all();
2093
2094 g_hash_table_destroy(uid_hash);
2095 imap_lep_set_free(seq_list);
2096
2097 g_free(destdir);
2098
2099 IMAP_FOLDER_ITEM(dest)->lastuid = 0;
2100 IMAP_FOLDER_ITEM(dest)->uid_next = 0;
2101 g_slist_free(IMAP_FOLDER_ITEM(dest)->uid_list);
2102 IMAP_FOLDER_ITEM(dest)->uid_list = NULL;
2103
2104 imap_scan_required(folder, dest);
2105 if (ok == MAILIMAP_NO_ERROR)
2106 return last_num;
2107 else
2108 return -1;
2109 }
2110
imap_copy_msg(Folder * folder,FolderItem * dest,MsgInfo * msginfo)2111 static gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
2112 {
2113 GSList msglist;
2114
2115 g_return_val_if_fail(msginfo != NULL, -1);
2116
2117 msglist.data = msginfo;
2118 msglist.next = NULL;
2119
2120 return imap_copy_msgs(folder, dest, &msglist, NULL);
2121 }
2122
imap_copy_msgs(Folder * folder,FolderItem * dest,MsgInfoList * msglist,GHashTable * relation)2123 static gint imap_copy_msgs(Folder *folder, FolderItem *dest,
2124 MsgInfoList *msglist, GHashTable *relation)
2125 {
2126 MsgInfo *msginfo;
2127 gint ret;
2128
2129 g_return_val_if_fail(folder != NULL, -1);
2130 g_return_val_if_fail(dest != NULL, -1);
2131 g_return_val_if_fail(msglist != NULL, -1);
2132
2133 msginfo = (MsgInfo *)msglist->data;
2134 g_return_val_if_fail(msginfo->folder != NULL, -1);
2135
2136 ret = imap_do_copy_msgs(folder, dest, msglist, relation, FALSE);
2137 return ret;
2138 }
2139
imap_matcher_type_is_local(gint matchertype)2140 static gboolean imap_matcher_type_is_local(gint matchertype)
2141 {
2142 switch (matchertype) {
2143 case MATCHCRITERIA_FROM:
2144 case MATCHCRITERIA_TO:
2145 case MATCHCRITERIA_CC:
2146 case MATCHCRITERIA_TO_OR_CC:
2147 case MATCHCRITERIA_SUBJECT:
2148 case MATCHCRITERIA_REFERENCES:
2149 case MATCHCRITERIA_MESSAGEID:
2150 case MATCHCRITERIA_INREPLYTO:
2151 case MATCHCRITERIA_AGE_GREATER:
2152 case MATCHCRITERIA_AGE_LOWER:
2153 case MATCHCRITERIA_FORWARDED:
2154 case MATCHCRITERIA_SPAM:
2155 case MATCHCRITERIA_UNREAD:
2156 case MATCHCRITERIA_NEW:
2157 case MATCHCRITERIA_MARKED:
2158 case MATCHCRITERIA_REPLIED:
2159 case MATCHCRITERIA_DELETED:
2160 case MATCHCRITERIA_SIZE_GREATER:
2161 case MATCHCRITERIA_SIZE_SMALLER:
2162 case MATCHCRITERIA_SIZE_EQUAL:
2163 return TRUE;
2164 }
2165 return FALSE;
2166 }
2167
search_make_key(MatcherProp * match,gboolean * is_all)2168 static IMAPSearchKey* search_make_key(MatcherProp* match, gboolean* is_all)
2169 {
2170 if (match->matchtype == MATCHTYPE_MATCHCASE || match->matchtype == MATCHTYPE_MATCH) {
2171 IMAPSearchKey* result = NULL;
2172 gboolean invert = FALSE;
2173 gint matchertype = match->criteria;
2174
2175 if (is_all) {
2176 *is_all = FALSE;
2177 }
2178
2179 switch (matchertype) {
2180 case MATCHCRITERIA_NOT_NEW: invert = TRUE; matchertype = MATCHCRITERIA_NEW; break;
2181 case MATCHCRITERIA_NOT_MARKED: invert = TRUE; matchertype = MATCHCRITERIA_MARKED; break;
2182 case MATCHCRITERIA_NOT_FORWARDED: invert = TRUE; matchertype = MATCHCRITERIA_FORWARDED; break;
2183 case MATCHCRITERIA_NOT_SPAM: invert = TRUE; matchertype = MATCHCRITERIA_SPAM; break;
2184 case MATCHCRITERIA_NOT_SUBJECT: invert = TRUE; matchertype = MATCHCRITERIA_SUBJECT; break;
2185 case MATCHCRITERIA_NOT_FROM: invert = TRUE; matchertype = MATCHCRITERIA_FROM; break;
2186 case MATCHCRITERIA_NOT_TO: invert = TRUE; matchertype = MATCHCRITERIA_TO; break;
2187 case MATCHCRITERIA_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_CC; break;
2188 case MATCHCRITERIA_NOT_REFERENCES: invert = TRUE; matchertype = MATCHCRITERIA_REFERENCES; break;
2189 case MATCHCRITERIA_NOT_HEADER: invert = TRUE; matchertype = MATCHCRITERIA_HEADER; break;
2190 case MATCHCRITERIA_NOT_TAG: invert = TRUE; matchertype = MATCHCRITERIA_TAG; break;
2191 case MATCHCRITERIA_NOT_HEADERS_PART: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_PART; break;
2192 case MATCHCRITERIA_NOT_HEADERS_CONT: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_CONT; break;
2193 case MATCHCRITERIA_NOT_MESSAGE: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGE; break;
2194 case MATCHCRITERIA_NOT_BODY_PART: invert = TRUE; matchertype = MATCHCRITERIA_BODY_PART; break;
2195 case MATCHCRITERIA_NOT_TO_AND_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_TO_OR_CC; break;
2196 case MATCHCRITERIA_NOT_MESSAGEID: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGEID; break;
2197 case MATCHCRITERIA_NOT_INREPLYTO: invert = TRUE; matchertype = MATCHCRITERIA_INREPLYTO; break;
2198 }
2199
2200 /*
2201 * this aborts conversion even for predicates understood by the following code.
2202 * while that might seem wasteful, claws local search for information listed below
2203 * has proven faster than IMAP search plus network roundtrips. once this changes,
2204 * consider removing these exceptions.
2205 */
2206 if (imap_matcher_type_is_local(matchertype))
2207 return NULL;
2208
2209 /* the Message-ID header is also cached */
2210 if (matchertype == MATCHCRITERIA_HEADER && g_strcmp0("Message-ID", match->header) == 0) {
2211 return NULL;
2212 }
2213
2214 switch (matchertype) {
2215 case MATCHCRITERIA_FORWARDED:
2216 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_FORWARDED, 0);
2217 break;
2218
2219 case MATCHCRITERIA_SPAM:
2220 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_JUNK, 0);
2221 break;
2222
2223 case MATCHCRITERIA_MESSAGEID:
2224 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "Message-ID", match->expr, 0);
2225 break;
2226
2227 case MATCHCRITERIA_INREPLYTO:
2228 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "In-Reply-To", match->expr, 0);
2229 break;
2230
2231 case MATCHCRITERIA_REFERENCES:
2232 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "References", match->expr, 0);
2233 break;
2234
2235 case MATCHCRITERIA_TO_OR_CC:
2236 result = imap_search_or(
2237 imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0),
2238 imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0)
2239 );
2240 break;
2241
2242 case MATCHCRITERIA_HEADERS_PART:
2243 case MATCHCRITERIA_HEADERS_CONT:
2244 result = imap_search_and(
2245 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0)),
2246 imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0)
2247 );
2248 break;
2249
2250 case MATCHCRITERIA_SIZE_EQUAL:
2251 result = imap_search_and(
2252 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value)),
2253 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value))
2254 );
2255 break;
2256
2257 case MATCHCRITERIA_NOT_UNREAD:
2258 result = imap_search_new(IMAP_SEARCH_CRITERIA_READ, NULL, NULL, 0);
2259 break;
2260
2261 case MATCHCRITERIA_UNREAD:
2262 result = imap_search_new(IMAP_SEARCH_CRITERIA_UNREAD, NULL, NULL, 0);
2263 break;
2264
2265 case MATCHCRITERIA_NEW:
2266 result = imap_search_new(IMAP_SEARCH_CRITERIA_NEW, NULL, NULL, 0);
2267 break;
2268
2269 case MATCHCRITERIA_MARKED:
2270 result = imap_search_new(IMAP_SEARCH_CRITERIA_MARKED, NULL, NULL, 0);
2271 break;
2272
2273 case MATCHCRITERIA_DELETED:
2274 result = imap_search_new(IMAP_SEARCH_CRITERIA_DELETED, NULL, NULL, 0);
2275 break;
2276
2277 case MATCHCRITERIA_REPLIED:
2278 result = imap_search_new(IMAP_SEARCH_CRITERIA_REPLIED, NULL, NULL, 0);
2279 break;
2280
2281 case MATCHCRITERIA_TAG:
2282 {
2283 gchar *tmp = imap_utf8_to_modified_utf7(match->expr, TRUE);
2284 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, tmp, 0);
2285 g_free(tmp);
2286 }
2287 break;
2288
2289 case MATCHCRITERIA_SUBJECT:
2290 result = imap_search_new(IMAP_SEARCH_CRITERIA_SUBJECT, NULL, match->expr, 0);
2291 break;
2292
2293 case MATCHCRITERIA_FROM:
2294 result = imap_search_new(IMAP_SEARCH_CRITERIA_FROM, NULL, match->expr, 0);
2295 break;
2296
2297 case MATCHCRITERIA_TO:
2298 result = imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0);
2299 break;
2300
2301 case MATCHCRITERIA_CC:
2302 result = imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0);
2303 break;
2304
2305 case MATCHCRITERIA_AGE_GREATER:
2306 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_GREATER, NULL, NULL, match->value);
2307 break;
2308
2309 case MATCHCRITERIA_AGE_LOWER:
2310 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_LOWER, NULL, NULL, match->value);
2311 break;
2312
2313 case MATCHCRITERIA_BODY_PART:
2314 result = imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0);
2315 break;
2316
2317 case MATCHCRITERIA_MESSAGE:
2318 result = imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0);
2319 break;
2320
2321 case MATCHCRITERIA_HEADER:
2322 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, match->header, match->expr, 0);
2323 break;
2324
2325 case MATCHCRITERIA_SIZE_GREATER:
2326 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value);
2327 break;
2328
2329 case MATCHCRITERIA_SIZE_SMALLER:
2330 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value);
2331 break;
2332
2333 default:
2334 result = imap_search_new(IMAP_SEARCH_CRITERIA_ALL, NULL, NULL, 0);
2335 if (is_all) {
2336 *is_all = TRUE;
2337 }
2338 break;
2339 }
2340
2341 if (invert) {
2342 result = imap_search_not(result);
2343 if (is_all && *is_all) {
2344 *is_all = FALSE;
2345 }
2346 }
2347
2348 return result;
2349 }
2350
2351 return NULL;
2352 }
2353
imap_change_search_charset(IMAPFolder * folder)2354 static void imap_change_search_charset(IMAPFolder *folder)
2355 {
2356 /* If server supports charset in searches, but the last used one failed,
2357 * changed to the next preferred charset. If none are still available,
2358 * disable charset searches.
2359 * Charsets are tried in the following order:
2360 * UTF-8, locale's charset, UTF-7.
2361 */
2362
2363 if (folder->search_charset_supported) {
2364 if (folder->search_charset && !strcmp(folder->search_charset, conv_get_locale_charset_str_no_utf8()))
2365 folder->search_charset = "UTF-8";
2366 else if (folder->search_charset && !strcmp(folder->search_charset, "UTF-8"))
2367 folder->search_charset = "UTF-7";
2368 else {
2369 folder->search_charset = NULL;
2370 folder->search_charset_supported = FALSE;
2371 }
2372 }
2373 }
2374
imap_matcher_prop_set_charset(IMAPFolder * folder,MatcherProp * utf8_prop,gchar ** charset)2375 static MatcherProp *imap_matcher_prop_set_charset(IMAPFolder *folder,
2376 MatcherProp *utf8_prop,
2377 gchar **charset)
2378 {
2379 /* If the match is going to be done locally, or the criteria is on
2380 * tag (special-cased to modified-UTF-7), or the expression searched
2381 * is ASCII, don't bother converting.
2382 */
2383 if (imap_matcher_type_is_local(utf8_prop->criteria)
2384 || utf8_prop->criteria == MATCHCRITERIA_TAG
2385 || utf8_prop->criteria == MATCHCRITERIA_NOT_TAG
2386 || utf8_prop->expr == NULL
2387 || is_ascii_str(utf8_prop->expr))
2388 return matcherprop_new(utf8_prop->criteria,
2389 utf8_prop->header,
2390 utf8_prop->matchtype,
2391 utf8_prop->expr,
2392 utf8_prop->value);
2393 else {
2394 gchar *conv_expr = NULL;
2395
2396 /* If the search is server-side and the server doesn't support
2397 * searching with the charsets we handle, bail out.
2398 */
2399 if (folder->search_charset_supported == FALSE)
2400 return NULL;
2401
2402 /* Else, convert. */
2403 if (*charset == NULL)
2404 *charset = g_strdup(folder->search_charset);
2405
2406 conv_expr = conv_codeset_strdup(utf8_prop->expr, CS_UTF_8, *charset);
2407
2408 if (conv_expr == NULL)
2409 conv_expr = g_strdup(utf8_prop->expr);
2410
2411 return matcherprop_new(utf8_prop->criteria,
2412 utf8_prop->header,
2413 utf8_prop->matchtype,
2414 conv_expr,
2415 utf8_prop->value);
2416 }
2417 }
2418
search_msgs(Folder * folder,FolderItem * container,MsgNumberList ** msgs,gboolean * on_server,MatcherList * predicate,SearchProgressNotify progress_cb,gpointer progress_data)2419 static gint search_msgs (Folder *folder,
2420 FolderItem *container,
2421 MsgNumberList **msgs,
2422 gboolean *on_server,
2423 MatcherList *predicate,
2424 SearchProgressNotify progress_cb,
2425 gpointer progress_data)
2426 {
2427 IMAPSearchKey* key = NULL;
2428 GSList* cur;
2429 int result = -1;
2430 clist* uidlist = NULL;
2431 gboolean server_filtering_useless = FALSE;
2432 IMAPSession *session;
2433 gchar *charset_to_use = NULL;
2434
2435 if (on_server == NULL || !*on_server) {
2436 return folder_item_search_msgs_local(folder, container, msgs, on_server,
2437 predicate, progress_cb, progress_data);
2438 }
2439
2440 for (cur = predicate->matchers; cur != NULL; cur = cur->next) {
2441 IMAPSearchKey* matcherPart = NULL;
2442 MatcherProp* prop = (MatcherProp*) cur->data;
2443 gboolean is_all;
2444 MatcherProp *imap_prop = imap_matcher_prop_set_charset(IMAP_FOLDER(folder), prop, &charset_to_use);
2445
2446 if (imap_prop == NULL) {
2447 /* Couldn't convert matcherprop to IMAP - probably not ascii
2448 * and server doesn't support the charsets we do. */
2449 return -1;
2450 }
2451
2452 matcherPart = search_make_key(imap_prop, &is_all);
2453
2454 matcherprop_free(imap_prop);
2455
2456 if (on_server) {
2457 *on_server &= matcherPart != NULL && prop->matchtype == MATCHTYPE_MATCHCASE;
2458 }
2459
2460 if (matcherPart) {
2461 if (key == NULL) {
2462 key = matcherPart;
2463 server_filtering_useless = is_all;
2464 } else if (predicate->bool_and) {
2465 key = imap_search_and(key, matcherPart);
2466 server_filtering_useless &= is_all;
2467 } else {
2468 key = imap_search_or(key, matcherPart);
2469 server_filtering_useless |= is_all;
2470 }
2471 }
2472 }
2473
2474 if (server_filtering_useless) {
2475 imap_search_free(key);
2476 key = NULL;
2477 }
2478
2479 if (key == NULL && progress_cb != NULL) {
2480 GSList* cur;
2481 GSList* list;
2482 int count = 0;
2483
2484 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2485 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2486
2487 list = folder_item_get_msg_list(container);
2488 for (cur = list; cur != NULL; cur = cur->next) {
2489 *msgs = g_slist_prepend(*msgs, GUINT_TO_POINTER(((MsgInfo*) cur->data)->msgnum));
2490 count++;
2491 }
2492 procmsg_msg_list_free(list);
2493
2494 *msgs = g_slist_reverse(*msgs);
2495
2496 return count;
2497 }
2498
2499 session = imap_session_get(folder);
2500 if (!session) {
2501 return -1;
2502 }
2503 result = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(container),
2504 NULL, NULL, NULL, NULL, NULL, TRUE);
2505 if (result != MAILIMAP_NO_ERROR)
2506 return -1;
2507
2508 if (progress_cb)
2509 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2510 result = imap_threaded_search(folder, IMAP_SEARCH_TYPE_KEYED, key, charset_to_use, NULL, &uidlist);
2511 if (progress_cb)
2512 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2513
2514 if (result == MAILIMAP_ERROR_PROTOCOL) {
2515 debug_print("Server side search unavailable, using local search\n");
2516 imap_handle_error(SESSION(session), NULL, result);
2517 result = folder_item_search_msgs_local(folder, container, msgs, NULL,
2518 predicate, progress_cb, progress_data);
2519 if (result < 0) {
2520 debug_print("search_msgs - got protocol error, aborting\n");
2521 alertpanel_error_log(_("Search failed due to server error."));
2522 return -1;
2523 }
2524
2525 return result;
2526 }
2527
2528 if (result == MAILIMAP_NO_ERROR) {
2529 gint result = 0;
2530
2531 *msgs = imap_uid_list_from_lep(uidlist, &result);
2532
2533 mailimap_search_result_free(uidlist);
2534
2535 if (charset_to_use != NULL)
2536 g_free(charset_to_use);
2537
2538 return result;
2539 } else if (charset_to_use != NULL) {
2540 /* If search failed and was on an 8-bit string, try the next
2541 * available charset to search if there still are some.
2542 */
2543 g_free(charset_to_use);
2544
2545 imap_change_search_charset(IMAP_FOLDER(folder));
2546 if (IMAP_FOLDER(folder)->search_charset_supported)
2547 return search_msgs(folder, container, msgs, on_server, predicate,
2548 progress_cb, progress_data);
2549 else {
2550 imap_handle_error(SESSION(session), NULL, result);
2551 return -1;
2552 }
2553 } else {
2554 imap_handle_error(SESSION(session), NULL, result);
2555 return -1;
2556 }
2557 }
2558
2559
imap_do_remove_msgs(Folder * folder,FolderItem * dest,MsgInfoList * msglist,GHashTable * relation)2560 static gint imap_do_remove_msgs(Folder *folder, FolderItem *dest,
2561 MsgInfoList *msglist, GHashTable *relation)
2562 {
2563 gchar *destdir, *dir;
2564 GSList *numlist = NULL, *cur;
2565 MsgInfo *msginfo;
2566 IMAPSession *session;
2567 gint ok = MAILIMAP_NO_ERROR;
2568
2569 g_return_val_if_fail(folder != NULL, -1);
2570 g_return_val_if_fail(dest != NULL, -1);
2571 g_return_val_if_fail(msglist != NULL, -1);
2572
2573 debug_print("getting session...\n");
2574 session = imap_session_get(folder);
2575 if (!session) {
2576 return -1;
2577 }
2578
2579 lock_session(session); /* unlocked later in the function */
2580
2581 msginfo = (MsgInfo *)msglist->data;
2582
2583 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
2584 NULL, NULL, NULL, NULL, NULL, FALSE);
2585 if (ok != MAILIMAP_NO_ERROR) {
2586 return ok;
2587 }
2588
2589 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
2590 if (is_fatal(ok)) {
2591 g_free(destdir);
2592 return ok;
2593 }
2594 for (cur = msglist; cur; cur = cur->next) {
2595 msginfo = (MsgInfo *)cur->data;
2596 if (!MSG_IS_DELETED(msginfo->flags))
2597 numlist = g_slist_prepend(numlist, GINT_TO_POINTER(msginfo->msgnum));
2598 }
2599 numlist = g_slist_reverse(numlist);
2600
2601 if (numlist != NULL) {
2602 ok = imap_set_message_flags
2603 (session, IMAP_FOLDER_ITEM(msginfo->folder), numlist, IMAP_FLAG_DELETED, NULL, TRUE);
2604 if (ok != MAILIMAP_NO_ERROR) {
2605 log_warning(LOG_PROTOCOL, _("can't set deleted flags\n"));
2606 g_free(destdir);
2607 return ok;
2608 }
2609 } /* else we just need to expunge */
2610 ok = imap_cmd_expunge(session);
2611 if (ok != MAILIMAP_NO_ERROR) {
2612 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
2613 g_free(destdir);
2614 return ok;
2615 }
2616
2617 session->folder_content_changed = TRUE;
2618 unlock_session(session);
2619
2620 dir = folder_item_get_path(msginfo->folder);
2621 if (is_dir_exist(dir)) {
2622 for (cur = msglist; cur; cur = cur->next) {
2623 msginfo = (MsgInfo *)cur->data;
2624 remove_numbered_files(dir, msginfo->msgnum, msginfo->msgnum);
2625 }
2626 }
2627 g_free(dir);
2628
2629 g_slist_free(numlist);
2630
2631 imap_scan_required(folder, dest);
2632
2633 g_free(destdir);
2634
2635 return 0;
2636 }
2637
imap_remove_msgs(Folder * folder,FolderItem * dest,MsgInfoList * msglist,GHashTable * relation)2638 static gint imap_remove_msgs(Folder *folder, FolderItem *dest,
2639 MsgInfoList *msglist, GHashTable *relation)
2640 {
2641 MsgInfo *msginfo;
2642
2643 g_return_val_if_fail(folder != NULL, -1);
2644 g_return_val_if_fail(dest != NULL, -1);
2645 if (msglist == NULL)
2646 return 0;
2647
2648 msginfo = (MsgInfo *)msglist->data;
2649 g_return_val_if_fail(msginfo->folder != NULL, -1);
2650
2651 return imap_do_remove_msgs(folder, dest, msglist, relation);
2652 }
2653
imap_remove_all_msg(Folder * folder,FolderItem * item)2654 static gint imap_remove_all_msg(Folder *folder, FolderItem *item)
2655 {
2656 GSList *list = folder_item_get_msg_list(item);
2657 gint res = imap_remove_msgs(folder, item, list, NULL);
2658 procmsg_msg_list_free(list);
2659 return res;
2660 }
2661
imap_is_msg_changed(Folder * folder,FolderItem * item,MsgInfo * msginfo)2662 static gboolean imap_is_msg_changed(Folder *folder, FolderItem *item,
2663 MsgInfo *msginfo)
2664 {
2665 /* TODO: properly implement this method */
2666 return FALSE;
2667 }
2668
imap_close(Folder * folder,FolderItem * item)2669 static gint imap_close(Folder *folder, FolderItem *item)
2670 {
2671 return 0;
2672 }
2673
imap_scan_tree_real(Folder * folder,gboolean subs_only)2674 static gint imap_scan_tree_real(Folder *folder, gboolean subs_only)
2675 {
2676 FolderItem *item = NULL;
2677 IMAPSession *session;
2678 gchar *root_folder = NULL;
2679
2680 g_return_val_if_fail(folder != NULL, -1);
2681 g_return_val_if_fail(folder->account != NULL, -1);
2682
2683 debug_print("getting session...\n");
2684 session = imap_session_get(folder);
2685 if (!session) {
2686 if (!folder->node) {
2687 folder_tree_destroy(folder);
2688 item = folder_item_new(folder, folder->name, NULL);
2689 item->folder = folder;
2690 folder->node = item->node = g_node_new(item);
2691 }
2692 return -1;
2693 }
2694
2695 if (folder->account->imap_dir && *folder->account->imap_dir) {
2696 gchar *real_path;
2697 int r = MAILIMAP_NO_ERROR;
2698 clist * lep_list;
2699
2700 Xstrdup_a(root_folder, folder->account->imap_dir, {return -1;});
2701 extract_quote(root_folder, '"');
2702 subst_char(root_folder,
2703 imap_get_path_separator(session, IMAP_FOLDER(folder),
2704 root_folder, &r),
2705 '/');
2706 if (is_fatal(r))
2707 return -1;
2708 strtailchomp(root_folder, '/');
2709 real_path = imap_get_real_path
2710 (session, IMAP_FOLDER(folder), root_folder, &r);
2711 if (is_fatal(r)) {
2712 g_free(real_path);
2713 return -1;
2714 }
2715 debug_print("IMAP root directory: %s\n", real_path);
2716
2717 /* check if root directory exist */
2718
2719 r = imap_threaded_list(session->folder, "", real_path,
2720 &lep_list);
2721
2722 if (r != MAILIMAP_NO_ERROR)
2723 imap_handle_error(SESSION(session), NULL, r);
2724
2725 if ((r != MAILIMAP_NO_ERROR) || (clist_count(lep_list) == 0)) {
2726 if (!folder->node) {
2727 item = folder_item_new(folder, folder->name, NULL);
2728 item->folder = folder;
2729 folder->node = item->node = g_node_new(item);
2730 }
2731 return -1;
2732 }
2733 mailimap_list_result_free(lep_list);
2734
2735 g_free(real_path);
2736 }
2737
2738 if (folder->node)
2739 item = FOLDER_ITEM(folder->node->data);
2740
2741 if (item && !item->path && root_folder) {
2742 item->path = g_strdup(root_folder);
2743 }
2744
2745 if (!item || ((item->path || root_folder) &&
2746 g_strcmp0(item->path, root_folder) != 0)) {
2747 folder_tree_destroy(folder);
2748 item = folder_item_new(folder, folder->name, root_folder);
2749 item->folder = folder;
2750 folder->node = item->node = g_node_new(item);
2751 }
2752
2753 imap_scan_tree_recursive(session, FOLDER_ITEM(folder->node->data), subs_only);
2754 imap_create_missing_folders(folder);
2755
2756 return 0;
2757 }
2758
imap_scan_tree(Folder * folder)2759 static gint imap_scan_tree(Folder *folder)
2760 {
2761 gboolean subs_only = FALSE;
2762 if (folder->account) {
2763 debug_print(" scanning only subs %d\n", folder->account->imap_subsonly);
2764 subs_only = folder->account->imap_subsonly;
2765 }
2766 return imap_scan_tree_real(folder, subs_only);
2767 }
2768
imap_scan_tree_recursive(IMAPSession * session,FolderItem * item,gboolean subs_only)2769 static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2770 {
2771 /* reset recursion depth counter */
2772 session->scan_tree_recurs_depth = 0;
2773
2774 return imap_scan_tree_recursive_dive(session, item, subs_only);
2775 }
2776
imap_scan_tree_recursive_dive(IMAPSession * session,FolderItem * item,gboolean subs_only)2777 static gint imap_scan_tree_recursive_dive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2778 {
2779 Folder *folder;
2780 IMAPFolder *imapfolder;
2781 FolderItem *new_item;
2782 GSList *item_list, *cur;
2783 GNode *node;
2784 gchar *real_path;
2785 gchar *wildcard_path;
2786 gchar separator;
2787 gchar wildcard[3];
2788 clist * lep_list;
2789 int r = MAILIMAP_NO_ERROR;
2790
2791 g_return_val_if_fail(item != NULL, -1);
2792 g_return_val_if_fail(item->folder != NULL, -1);
2793 g_return_val_if_fail(item->no_sub == FALSE, -1);
2794
2795 /* recursion depth limiter */
2796 if(session->scan_tree_recurs_depth >= prefs_common.imap_scan_tree_recurs_limit) {
2797 g_warning("IMAP scan tree recursion limit reached (%d, folder '%s')",
2798 prefs_common.imap_scan_tree_recurs_limit, item->folder->name);
2799 return -1;
2800 }
2801 /* entering recursion func: increase depth counter */
2802 session->scan_tree_recurs_depth++;
2803
2804 folder = item->folder;
2805 imapfolder = IMAP_FOLDER(folder);
2806
2807 separator = imap_get_path_separator(session, imapfolder, item->path, &r);
2808 if (is_fatal(r))
2809 return r;
2810
2811 if (folder->ui_func)
2812 folder->ui_func(folder, item, folder->ui_func_data);
2813
2814 if (item->path) {
2815 wildcard[0] = separator;
2816 wildcard[1] = '%';
2817 wildcard[2] = '\0';
2818 real_path = imap_get_real_path(session, imapfolder, item->path, &r);
2819 if (is_fatal(r)) {
2820 g_free(real_path);
2821 return r;
2822 }
2823 } else {
2824 wildcard[0] = '%';
2825 wildcard[1] = '\0';
2826 real_path = g_strdup("");
2827 }
2828
2829 Xstrcat_a(wildcard_path, real_path, wildcard,
2830 {g_free(real_path); return MAILIMAP_ERROR_BAD_STATE;});
2831 lep_list = NULL;
2832
2833 if (subs_only)
2834 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
2835 else
2836 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
2837
2838 if (r != MAILIMAP_NO_ERROR) {
2839 imap_handle_error(SESSION(session), NULL, r);
2840 item_list = NULL;
2841 g_free(real_path);
2842 return r;
2843 }
2844 else {
2845 item_list = imap_list_from_lep(imapfolder,
2846 lep_list, real_path, FALSE);
2847 mailimap_list_result_free(lep_list);
2848 }
2849
2850 g_free(real_path);
2851
2852 node = item->node->children;
2853 while (node != NULL) {
2854 FolderItem *old_item = FOLDER_ITEM(node->data);
2855 GNode *next = node->next;
2856
2857 new_item = NULL;
2858 for (cur = item_list; cur != NULL; cur = cur->next) {
2859 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2860 if (!g_strcmp0(old_item->path, cur_item->path)) {
2861 new_item = cur_item;
2862 break;
2863 }
2864 }
2865 if (!new_item) {
2866 if (old_item && old_item->path && !strcasecmp(old_item->path, "INBOX")) {
2867 debug_print("not removing INBOX\n");
2868 } else {
2869 debug_print("folder '%s' not found. removing...\n",
2870 old_item->path);
2871 folder_item_remove(old_item);
2872 }
2873 } else {
2874 old_item->no_sub = new_item->no_sub;
2875 old_item->no_select = new_item->no_select;
2876 if (old_item->no_sub == TRUE && node->children) {
2877 debug_print("folder '%s' doesn't have "
2878 "subfolders. removing...\n",
2879 old_item->path);
2880 folder_item_remove_children(old_item);
2881 }
2882 }
2883
2884 node = next;
2885 }
2886
2887 for (cur = item_list; cur != NULL; cur = cur->next) {
2888 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2889 new_item = NULL;
2890
2891 for (node = item->node->children; node != NULL;
2892 node = node->next) {
2893 if (!g_strcmp0(FOLDER_ITEM(node->data)->path,
2894 cur_item->path)) {
2895 new_item = FOLDER_ITEM(node->data);
2896 folder_item_destroy(cur_item);
2897 cur_item = NULL;
2898 break;
2899 }
2900 }
2901 if (!new_item) {
2902 new_item = cur_item;
2903 debug_print("new folder '%s' found.\n", new_item->path);
2904 folder_item_append(item, new_item);
2905 }
2906
2907 if (!strcasecmp(new_item->path, "INBOX")) {
2908 new_item->stype = F_INBOX;
2909 folder->inbox = new_item;
2910 } else if (!folder_item_parent(item) || item->stype == F_INBOX) {
2911 gchar *base;
2912
2913 base = g_path_get_basename(new_item->path);
2914
2915 if (!folder->outbox && !g_ascii_strcasecmp(base, "Sent")) {
2916 new_item->stype = F_OUTBOX;
2917 folder->outbox = new_item;
2918 } else if (!folder->draft && (!g_ascii_strcasecmp(base, "Drafts") || !g_ascii_strcasecmp(base, "Draft"))) {
2919 new_item->stype = F_DRAFT;
2920 folder->draft = new_item;
2921 } else if (!folder->queue && !g_ascii_strcasecmp(base, "Queue")) {
2922 new_item->stype = F_QUEUE;
2923 folder->queue = new_item;
2924 } else if (!folder->trash && !g_ascii_strcasecmp(base, "Trash")) {
2925 new_item->stype = F_TRASH;
2926 folder->trash = new_item;
2927 }
2928 g_free(base);
2929 }
2930
2931 if (new_item->no_sub == FALSE) {
2932 imap_scan_tree_recursive_dive(session, new_item, subs_only);
2933
2934 /* entering recursion func: increase depth counter */
2935 session->scan_tree_recurs_depth--;
2936 if (session->scan_tree_recurs_depth < 0)
2937 g_error("IMAP scan tree recursion underflow (%d)",
2938 session->scan_tree_recurs_depth);
2939 }
2940 }
2941
2942 g_slist_free(item_list);
2943
2944 return MAILIMAP_NO_ERROR;
2945 }
2946
imap_scan_subtree(Folder * folder,FolderItem * item,gboolean unsubs_only,gboolean recursive)2947 GList *imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
2948 {
2949 IMAPSession *session = imap_session_get(folder);
2950 gchar *real_path;
2951 gchar *wildcard_path;
2952 gchar separator;
2953 gchar wildcard[3];
2954 clist * lep_list;
2955 GSList *item_list = NULL, *cur;
2956 GList *child_list = NULL, *tmplist = NULL;
2957 GSList *sub_list = NULL;
2958 int r = MAILIMAP_NO_ERROR;
2959
2960 if (!session)
2961 return NULL;
2962
2963 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &r);
2964 if (is_fatal(r))
2965 return NULL;
2966
2967 if (item->path) {
2968 wildcard[0] = separator;
2969 wildcard[1] = '%';
2970 wildcard[2] = '\0';
2971 real_path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
2972 if (is_fatal(r)) {
2973 g_free(real_path);
2974 return NULL;
2975 }
2976 } else {
2977 wildcard[0] = '%';
2978 wildcard[1] = '\0';
2979 real_path = g_strdup("");
2980 }
2981
2982 Xstrcat_a(wildcard_path, real_path, wildcard,
2983 {g_free(real_path); return NULL;});
2984 lep_list = NULL;
2985
2986 if (unsubs_only)
2987 statusbar_print_all(_("Looking for unsubscribed folders in %s..."),
2988 item->path?item->path:item->name);
2989 else
2990 statusbar_print_all(_("Looking for subfolders of %s..."),
2991 item->path?item->path:item->name);
2992
2993 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
2994 if (r) {
2995 g_free(real_path);
2996 statusbar_pop_all();
2997 return NULL;
2998 }
2999 item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3000 lep_list, real_path, FALSE);
3001 mailimap_list_result_free(lep_list);
3002
3003 for (cur = item_list; cur != NULL; cur = cur->next) {
3004 FolderItem *cur_item = FOLDER_ITEM(cur->data);
3005 if (recursive) {
3006 tmplist = imap_scan_subtree(folder, cur_item,
3007 unsubs_only, recursive);
3008 if (tmplist)
3009 child_list = g_list_concat(child_list, tmplist);
3010 }
3011 child_list = g_list_prepend(child_list,
3012 imap_get_real_path(session,
3013 IMAP_FOLDER(folder), cur_item->path, &r));
3014 if (is_fatal(r)) {
3015 g_free(real_path);
3016 statusbar_pop_all();
3017 return NULL;
3018 }
3019 folder_item_destroy(cur_item);
3020 }
3021 child_list = g_list_reverse(child_list);
3022 g_slist_free(item_list);
3023
3024 if (unsubs_only) {
3025 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
3026 if (r) {
3027 g_free(real_path);
3028 statusbar_pop_all();
3029 return NULL;
3030 }
3031 sub_list = imap_list_from_lep(IMAP_FOLDER(folder),
3032 lep_list, real_path, FALSE);
3033 mailimap_list_result_free(lep_list);
3034
3035 for (cur = sub_list; cur != NULL; cur = cur->next) {
3036 FolderItem *cur_item = FOLDER_ITEM(cur->data);
3037 GList *oldlitem = NULL;
3038 gchar *tmp = imap_get_real_path(session,
3039 IMAP_FOLDER(folder), cur_item->path, &r);
3040 if (r) {
3041 g_free(real_path);
3042 statusbar_pop_all();
3043 g_free(tmp);
3044 return NULL;
3045 }
3046 folder_item_destroy(cur_item);
3047 oldlitem = g_list_find_custom(
3048 child_list, tmp, (GCompareFunc)g_strcmp0);
3049 if (oldlitem) {
3050 child_list = g_list_remove_link(child_list, oldlitem);
3051 g_free(oldlitem->data);
3052 g_list_free(oldlitem);
3053 }
3054 g_free(tmp);
3055 }
3056 }
3057
3058 g_free(real_path);
3059 statusbar_pop_all();
3060
3061 return child_list;
3062 }
3063
imap_create_tree(Folder * folder)3064 static gint imap_create_tree(Folder *folder)
3065 {
3066 g_return_val_if_fail(folder != NULL, -1);
3067 g_return_val_if_fail(folder->node != NULL, -1);
3068 g_return_val_if_fail(folder->node->data != NULL, -1);
3069 g_return_val_if_fail(folder->account != NULL, -1);
3070
3071 imap_scan_tree(folder);
3072 imap_create_missing_folders(folder);
3073
3074 return 0;
3075 }
3076
imap_create_missing_folders(Folder * folder)3077 static void imap_create_missing_folders(Folder *folder)
3078 {
3079 g_return_if_fail(folder != NULL);
3080
3081 if (!folder->inbox)
3082 folder->inbox = imap_create_special_folder
3083 (folder, F_INBOX, "INBOX");
3084 if (!folder->trash)
3085 folder->trash = imap_create_special_folder
3086 (folder, F_TRASH, "Trash");
3087 if (!folder->queue)
3088 folder->queue = imap_create_special_folder
3089 (folder, F_QUEUE, "Queue");
3090 if (!folder->outbox)
3091 folder->outbox = imap_create_special_folder
3092 (folder, F_OUTBOX, "Sent");
3093 if (!folder->draft)
3094 folder->draft = imap_create_special_folder
3095 (folder, F_DRAFT, "Drafts");
3096 }
3097
imap_create_special_folder(Folder * folder,SpecialFolderItemType stype,const gchar * name)3098 static FolderItem *imap_create_special_folder(Folder *folder,
3099 SpecialFolderItemType stype,
3100 const gchar *name)
3101 {
3102 FolderItem *item;
3103 FolderItem *new_item;
3104
3105 g_return_val_if_fail(folder != NULL, NULL);
3106 g_return_val_if_fail(folder->node != NULL, NULL);
3107 g_return_val_if_fail(folder->node->data != NULL, NULL);
3108 g_return_val_if_fail(folder->account != NULL, NULL);
3109 g_return_val_if_fail(name != NULL, NULL);
3110
3111 item = FOLDER_ITEM(folder->node->data);
3112 new_item = imap_create_folder(folder, item, name);
3113
3114 if (!new_item) {
3115 g_warning("Can't create '%s'", name);
3116 if (!folder->inbox) return NULL;
3117
3118 new_item = imap_create_folder(folder, folder->inbox, name);
3119 if (!new_item)
3120 g_warning("Can't create '%s' under INBOX", name);
3121 else
3122 new_item->stype = stype;
3123 } else
3124 new_item->stype = stype;
3125
3126 return new_item;
3127 }
3128
3129 #ifdef G_OS_WIN32
imap_encode_unsafe_chars(const gchar * str)3130 static gchar *imap_encode_unsafe_chars(const gchar *str)
3131 {
3132 gchar *ret = NULL, *o_ret;
3133 gchar *i;
3134 if (!str)
3135 return NULL;
3136 ret = g_malloc(3*strlen(str)+1);
3137 o_ret = ret;
3138 for (i = (gchar *)str; *i; i++) {
3139 switch(*i) {
3140 case ':':
3141 case '|':
3142 case '<':
3143 case '>':
3144 case '*':
3145 case '?':
3146 case '#':
3147 *ret++ = '%';
3148 *ret++ = '0'+(*i/10);
3149 *ret++ = '0'+(*i%10);
3150 break;
3151 default:
3152 *ret++ = *i;
3153 }
3154 }
3155 *ret++ = '\0';
3156 return o_ret;
3157 }
3158 #endif
imap_item_get_path(Folder * folder,FolderItem * item)3159 static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
3160 {
3161 gchar *folder_path, *path;
3162 gchar *item_path = NULL;
3163
3164 g_return_val_if_fail(folder != NULL, NULL);
3165 g_return_val_if_fail(folder->account != NULL, NULL);
3166 g_return_val_if_fail(item != NULL, NULL);
3167 folder_path = prefs_account_cache_dir(folder->account, FALSE);
3168
3169 g_return_val_if_fail(folder_path != NULL, NULL);
3170
3171 #ifdef G_OS_UNIX
3172 item_path = g_strdup(item->path);
3173 #else
3174 item_path = imap_encode_unsafe_chars(item->path);
3175 #endif
3176
3177 if (g_path_is_absolute(folder_path)) {
3178 if (item_path)
3179 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
3180 item_path, NULL);
3181 else
3182 path = g_strdup(folder_path);
3183 } else {
3184 if (item_path)
3185 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3186 folder_path, G_DIR_SEPARATOR_S,
3187 item_path, NULL);
3188 else
3189 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3190 folder_path, NULL);
3191 }
3192 g_free(folder_path);
3193 g_free(item_path);
3194 #ifdef G_OS_WIN32
3195 while (strchr(path, '/'))
3196 *strchr(path, '/') = '\\';
3197 #endif
3198
3199 return path;
3200 }
3201
imap_create_folder(Folder * folder,FolderItem * parent,const gchar * name)3202 static FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
3203 const gchar *name)
3204 {
3205 gchar *dirpath, *imap_path;
3206 IMAPSession *session;
3207 FolderItem *new_item;
3208 gchar separator;
3209 gchar *new_name;
3210 const gchar *p;
3211 gint ok = MAILIMAP_NO_ERROR;
3212 gboolean no_select = FALSE, no_sub = FALSE;
3213 gboolean exist = FALSE;
3214
3215 g_return_val_if_fail(folder != NULL, NULL);
3216 g_return_val_if_fail(folder->account != NULL, NULL);
3217 g_return_val_if_fail(parent != NULL, NULL);
3218 g_return_val_if_fail(name != NULL, NULL);
3219
3220 if (to_number(name) > 0) {
3221 gchar *cached_msg = imap_get_cached_filename(parent, to_number(name));
3222 if (is_file_exist(cached_msg)) {
3223 if (claws_unlink(cached_msg) != 0) {
3224 return NULL;
3225 }
3226 }
3227 }
3228
3229 debug_print("getting session...\n");
3230 session = imap_session_get(folder);
3231 if (!session) {
3232 return NULL;
3233 }
3234
3235 if (!folder_item_parent(parent) && strcasecmp(name, "INBOX") == 0) {
3236 dirpath = g_strdup(name);
3237 }else if (parent->path)
3238 dirpath = g_strconcat(parent->path, "/", name, NULL);
3239 else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
3240 dirpath = g_strdup(name);
3241 else if (folder->account->imap_dir && *folder->account->imap_dir) {
3242 gchar *imap_dir;
3243
3244 Xstrdup_a(imap_dir, folder->account->imap_dir, {return NULL;});
3245 strtailchomp(imap_dir, '/');
3246 dirpath = g_strconcat(imap_dir, "/", name, NULL);
3247 } else
3248 dirpath = g_strdup(name);
3249
3250
3251
3252 /* keep trailing directory separator to create a folder that contains
3253 sub folder */
3254 imap_path = imap_utf8_to_modified_utf7(dirpath, FALSE);
3255
3256 strtailchomp(dirpath, '/');
3257 Xstrdup_a(new_name, name, {
3258 g_free(dirpath);
3259 g_free(imap_path);
3260 return NULL;});
3261
3262 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), imap_path, &ok);
3263 if (is_fatal(ok)) {
3264 g_free(imap_path);
3265 return NULL;
3266 }
3267 imap_path_separator_subst(imap_path, separator);
3268 /* remove trailing / for display */
3269 strtailchomp(new_name, '/');
3270
3271 if (strcasecmp(dirpath, "INBOX") != 0) {
3272 int r;
3273 clist * lep_list;
3274
3275 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3276 if (r != MAILIMAP_NO_ERROR) {
3277 imap_handle_error(SESSION(session), NULL, r);
3278 log_warning(LOG_PROTOCOL, _("can't create mailbox: LIST failed\n"));
3279 g_free(imap_path);
3280 g_free(dirpath);
3281 return NULL;
3282 }
3283
3284 if (clist_count(lep_list) > 0)
3285 exist = TRUE;
3286 mailimap_list_result_free(lep_list);
3287 lep_list = NULL;
3288 if (!exist) {
3289 ok = imap_cmd_create(session, imap_path);
3290 if (ok != MAILIMAP_NO_ERROR) {
3291 log_warning(LOG_PROTOCOL, _("can't create mailbox\n"));
3292 g_free(imap_path);
3293 g_free(dirpath);
3294 return NULL;
3295 }
3296 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3297 if (r == MAILIMAP_NO_ERROR) {
3298 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3299 lep_list, dirpath, TRUE);
3300 if (item_list) {
3301 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3302 no_select = cur_item->no_select;
3303 no_sub = cur_item->no_sub;
3304 g_slist_free(item_list);
3305 }
3306 mailimap_list_result_free(lep_list);
3307 } else {
3308 imap_handle_error(SESSION(session), NULL, r);
3309 }
3310 }
3311 imap_threaded_subscribe(folder, imap_path, TRUE);
3312 } else {
3313 clist *lep_list;
3314 int r;
3315 /* just get flags */
3316 r = imap_threaded_list(folder, "", "INBOX", &lep_list);
3317 if (r == MAILIMAP_NO_ERROR) {
3318 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3319 lep_list, dirpath, TRUE);
3320 if (item_list) {
3321 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3322 no_select = cur_item->no_select;
3323 no_sub = cur_item->no_sub;
3324 g_slist_free(item_list);
3325 }
3326 mailimap_list_result_free(lep_list);
3327 } else {
3328 imap_handle_error(SESSION(session), NULL, r);
3329 }
3330 }
3331
3332 new_item = folder_item_new(folder, new_name, dirpath);
3333 new_item->no_select = no_select;
3334 new_item->no_sub = no_sub;
3335 folder_item_append(parent, new_item);
3336 g_free(imap_path);
3337 g_free(dirpath);
3338
3339 dirpath = folder_item_get_path(new_item);
3340 if (!is_dir_exist(dirpath))
3341 make_dir_hier(dirpath);
3342 g_free(dirpath);
3343
3344 if (exist) {
3345 /* folder existed, scan it */
3346 imap_scan_required(folder, new_item);
3347 folder_item_scan_full(new_item, FALSE);
3348 }
3349
3350 return new_item;
3351 }
3352
imap_rename_folder(Folder * folder,FolderItem * item,const gchar * name)3353 static gint imap_rename_folder(Folder *folder, FolderItem *item,
3354 const gchar *name)
3355 {
3356 gchar *dirpath;
3357 gchar *newpath;
3358 gchar *real_oldpath;
3359 gchar *real_newpath;
3360 gchar *paths[2];
3361 gchar *old_cache_dir;
3362 gchar *new_cache_dir;
3363 IMAPSession *session;
3364 gchar separator;
3365 gint ok = MAILIMAP_NO_ERROR;
3366 gint exists, recent, unseen;
3367 guint32 uid_validity;
3368
3369 g_return_val_if_fail(folder != NULL, -1);
3370 g_return_val_if_fail(item != NULL, -1);
3371 g_return_val_if_fail(item->path != NULL, -1);
3372 g_return_val_if_fail(name != NULL, -1);
3373
3374 debug_print("getting session...\n");
3375 session = imap_session_get(folder);
3376 if (!session) {
3377 return -1;
3378 }
3379
3380 if (strchr(name, imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok)) != NULL ||
3381 is_fatal(ok)) {
3382 g_warning("New folder name must not contain the namespace "
3383 "path separator");
3384 return -1;
3385 }
3386
3387 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3388 if (is_fatal(ok)) {
3389 g_free(real_oldpath);
3390 return -1;
3391 }
3392
3393 g_free(session->mbox);
3394 session->mbox = NULL;
3395 session->exists = 0;
3396 session->recent = 0;
3397 session->expunge = 0;
3398 ok = imap_cmd_examine(session, "INBOX",
3399 &exists, &recent, &unseen, &uid_validity, FALSE);
3400 if (ok != MAILIMAP_NO_ERROR) {
3401 g_free(real_oldpath);
3402 return -1;
3403 }
3404
3405 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok);
3406 if (is_fatal(ok)) {
3407 g_free(real_oldpath);
3408 return -1;
3409 }
3410 if (strchr(item->path, '/')) {
3411 dirpath = g_path_get_dirname(item->path);
3412 newpath = g_strconcat(dirpath, "/", name, NULL);
3413 g_free(dirpath);
3414 } else
3415 newpath = g_strdup(name);
3416
3417 real_newpath = imap_utf8_to_modified_utf7(newpath, FALSE);
3418 imap_path_separator_subst(real_newpath, separator);
3419
3420 ok = imap_cmd_rename(session, real_oldpath, real_newpath);
3421 if (ok != MAILIMAP_NO_ERROR) {
3422 log_warning(LOG_PROTOCOL, _("can't rename mailbox: %s to %s\n"),
3423 real_oldpath, real_newpath);
3424 g_free(real_oldpath);
3425 g_free(newpath);
3426 g_free(real_newpath);
3427 return -1;
3428 }
3429 g_free(item->name);
3430 item->name = g_strdup(name);
3431
3432 old_cache_dir = folder_item_get_path(item);
3433
3434 paths[0] = g_strdup(item->path);
3435 paths[1] = newpath;
3436 g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
3437 imap_rename_folder_func, paths);
3438
3439 if (is_dir_exist(old_cache_dir)) {
3440 new_cache_dir = folder_item_get_path(item);
3441 if (g_rename(old_cache_dir, new_cache_dir) < 0) {
3442 FILE_OP_ERROR(old_cache_dir, "rename");
3443 }
3444 g_free(new_cache_dir);
3445 }
3446
3447 g_free(old_cache_dir);
3448 g_free(paths[0]);
3449 g_free(newpath);
3450 g_free(real_oldpath);
3451 g_free(real_newpath);
3452 return 0;
3453 }
3454
imap_subscribe(Folder * folder,FolderItem * item,gchar * rpath,gboolean sub)3455 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
3456 {
3457 gchar *path;
3458 gint r = MAILIMAP_NO_ERROR;
3459 IMAPSession *session;
3460 debug_print("getting session...\n");
3461
3462 session = imap_session_get(folder);
3463 if (!session) {
3464 return -1;
3465 }
3466 if (item && item->path) {
3467 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
3468 if (!path)
3469 return -1;
3470 if (is_fatal(r)) {
3471 g_free(path);
3472 return -1;
3473 }
3474 if (!strcasecmp(path, "INBOX") && sub == FALSE) {
3475 g_free(path);
3476 return -1;
3477 }
3478 debug_print("%ssubscribing %s\n", sub?"":"un", path);
3479 r = imap_threaded_subscribe(folder, path, sub);
3480 g_free(path);
3481 } else if (rpath) {
3482 r = imap_threaded_subscribe(folder, rpath, sub);
3483 } else
3484 return -1;
3485 return r;
3486 }
3487
imap_remove_folder_real(Folder * folder,FolderItem * item)3488 static gint imap_remove_folder_real(Folder *folder, FolderItem *item)
3489 {
3490 gint ok = MAILIMAP_NO_ERROR;
3491 IMAPSession *session;
3492 gchar *path;
3493 gchar *cache_dir;
3494 gboolean selected_folder;
3495
3496 g_return_val_if_fail(folder != NULL, -1);
3497 g_return_val_if_fail(item != NULL, -1);
3498 g_return_val_if_fail(item->path != NULL, -1);
3499
3500 debug_print("getting session...\n");
3501 session = imap_session_get(folder);
3502 if (!session) {
3503 return -1;
3504 }
3505 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3506 if (is_fatal(ok)) {
3507 g_free(path);
3508 return -1;
3509 }
3510 imap_threaded_subscribe(folder, path, FALSE);
3511
3512 selected_folder = (session->mbox != NULL) &&
3513 (!strcmp(session->mbox, item->path));
3514 if (selected_folder) {
3515 ok = imap_cmd_close(session);
3516 if (ok != MAILIMAP_NO_ERROR) {
3517 debug_print("close err %d\n", ok);
3518 return ok;
3519 }
3520 }
3521 ok = imap_cmd_delete(session, path);
3522 if (ok != MAILIMAP_NO_ERROR && !is_fatal(ok)) {
3523 gchar *tmp = NULL;
3524
3525 ok = MAILIMAP_NO_ERROR;
3526 tmp = g_strdup_printf("%s%c", path,
3527 imap_get_path_separator(session, IMAP_FOLDER(folder), path, &ok));
3528 g_free(path);
3529 path = tmp;
3530 if (!is_fatal(ok))
3531 ok = imap_cmd_delete(session, path);
3532 }
3533
3534 if (ok != MAILIMAP_NO_ERROR) {
3535 log_warning(LOG_PROTOCOL, _("can't delete mailbox\n"));
3536 g_free(path);
3537 return -1;
3538 }
3539
3540 g_free(path);
3541 cache_dir = folder_item_get_path(item);
3542 if (is_dir_exist(cache_dir) && remove_dir_recursive(cache_dir) < 0)
3543 g_warning("can't remove directory '%s'", cache_dir);
3544 g_free(cache_dir);
3545 folder_item_remove(item);
3546 return 0;
3547 }
3548
imap_remove_folder(Folder * folder,FolderItem * item)3549 static gint imap_remove_folder(Folder *folder, FolderItem *item)
3550 {
3551 GNode *node, *next;
3552
3553 g_return_val_if_fail(item != NULL, -1);
3554 g_return_val_if_fail(item->folder != NULL, -1);
3555 g_return_val_if_fail(item->node != NULL, -1);
3556
3557 node = item->node->children;
3558 while (node != NULL) {
3559 next = node->next;
3560 if (imap_remove_folder(folder, FOLDER_ITEM(node->data)) < 0)
3561 return -1;
3562 node = next;
3563 }
3564 debug_print("IMAP removing %s\n", item->path);
3565
3566 if (imap_remove_all_msg(folder, item) < 0)
3567 return -1;
3568 return imap_remove_folder_real(folder, item);
3569 }
3570
3571 typedef struct _uncached_data {
3572 IMAPSession *session;
3573 FolderItem *item;
3574 MsgNumberList *numlist;
3575 guint cur;
3576 guint total;
3577 gboolean done;
3578 int ok;
3579 } uncached_data;
3580
imap_get_uncached_messages_thread(void * data)3581 static void *imap_get_uncached_messages_thread(void *data)
3582 {
3583 uncached_data *stuff = (uncached_data *)data;
3584 IMAPSession *session = stuff->session;
3585 FolderItem *item = stuff->item;
3586 MsgNumberList *numlist = stuff->numlist;
3587 GSList *newlist = NULL;
3588 GSList *llast = NULL;
3589 GSList *seq_list, *cur;
3590 gboolean got_alien_tags = FALSE;
3591
3592 debug_print("uncached_messages\n");
3593
3594 if (session == NULL || item == NULL || item->folder == NULL
3595 || FOLDER_CLASS(item->folder) != &imap_class) {
3596 stuff->done = TRUE;
3597 return NULL;
3598 }
3599
3600 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(item->folder), numlist);
3601 debug_print("get msgs info\n");
3602 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
3603 struct mailimap_set * imapset;
3604 unsigned int i;
3605 int r;
3606 carray * env_list;
3607 int count;
3608
3609 if (session->cancelled)
3610 break;
3611
3612 imapset = cur->data;
3613
3614 r = imap_threaded_fetch_env(session->folder,
3615 imapset, &env_list);
3616 if (r != MAILIMAP_NO_ERROR) {
3617 imap_handle_error(SESSION(session), NULL, r);
3618 if (is_fatal(r)) {
3619 stuff->ok = r;
3620 return NULL;
3621 }
3622 continue;
3623 }
3624
3625 session_set_access_time(SESSION(session));
3626
3627 count = 0;
3628 for(i = 0 ; i < carray_count(env_list) ; i += 2) {
3629 struct imap_fetch_env_info * info;
3630 MsgInfo * msginfo;
3631 GSList *tags = NULL, *cur = NULL;
3632 info = carray_get(env_list, i);
3633 tags = carray_get(env_list, i+1);
3634 msginfo = imap_envelope_from_lep(info, item);
3635 if (msginfo == NULL) {
3636 slist_free_strings_full(tags);
3637 continue;
3638 }
3639 g_slist_free(msginfo->tags);
3640 msginfo->tags = NULL;
3641
3642 for (cur = tags; cur; cur = cur->next) {
3643 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
3644 gint id = 0;
3645 id = tags_get_id_for_str(real_tag);
3646 if (id == -1) {
3647 id = tags_add_tag(real_tag);
3648 got_alien_tags = TRUE;
3649 }
3650 if (!g_slist_find(msginfo->tags, GINT_TO_POINTER(id))) {
3651 msginfo->tags = g_slist_prepend(
3652 msginfo->tags,
3653 GINT_TO_POINTER(id));
3654 }
3655 g_free(real_tag);
3656 }
3657 if (msginfo->tags)
3658 msginfo->tags = g_slist_reverse(msginfo->tags);
3659 slist_free_strings_full(tags);
3660 msginfo->folder = item;
3661 if (!newlist)
3662 llast = newlist = g_slist_append(newlist, msginfo);
3663 else {
3664 llast = g_slist_append(llast, msginfo);
3665 llast = llast->next;
3666 }
3667 count ++;
3668 }
3669
3670 imap_fetch_env_free(env_list);
3671 }
3672
3673 if (got_alien_tags) {
3674 tags_write_tags();
3675 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
3676 }
3677
3678 imap_lep_set_free(seq_list);
3679
3680 session_set_access_time(SESSION(session));
3681 stuff->done = TRUE;
3682 return newlist;
3683 }
3684
3685 #define MAX_MSG_NUM 50
3686
imap_get_uncached_messages(IMAPSession * session,FolderItem * item,MsgNumberList * numlist,int * r)3687 static GSList *imap_get_uncached_messages(IMAPSession *session,
3688 FolderItem *item,
3689 MsgNumberList *numlist,
3690 int *r)
3691 {
3692 GSList *result = NULL;
3693 GSList * cur;
3694 uncached_data *data = g_new0(uncached_data, 1);
3695
3696 cur = numlist;
3697 data->total = g_slist_length(numlist);
3698 data->ok = MAILIMAP_NO_ERROR;
3699 debug_print("messages list : %i\n", data->total);
3700
3701 while (cur != NULL) {
3702 GSList * partial_result;
3703 int count;
3704 GSList * newlist;
3705 GSList * llast;
3706
3707 llast = NULL;
3708 count = 0;
3709 newlist = NULL;
3710 while (count < MAX_MSG_NUM) {
3711 void * p;
3712
3713 p = cur->data;
3714
3715 if (newlist == NULL)
3716 llast = newlist = g_slist_append(newlist, p);
3717 else {
3718 llast = g_slist_append(llast, p);
3719 llast = llast->next;
3720 }
3721 count ++;
3722
3723 cur = cur->next;
3724 if (cur == NULL)
3725 break;
3726 }
3727
3728 data->done = FALSE;
3729 data->session = session;
3730 data->item = item;
3731 data->numlist = newlist;
3732 data->cur += count;
3733
3734 if (prefs_common.work_offline &&
3735 !inc_offline_should_override(FALSE,
3736 _("Claws Mail needs network access in order "
3737 "to access the IMAP server."))) {
3738 g_free(data);
3739 return NULL;
3740 }
3741
3742 partial_result =
3743 (GSList *)imap_get_uncached_messages_thread(data);
3744 *r = data->ok;
3745 if (data->ok != MAILIMAP_NO_ERROR) {
3746 goto bail;
3747 }
3748 statusbar_progress_all(data->cur,data->total, 1);
3749
3750 g_slist_free(newlist);
3751
3752 result = g_slist_concat(result, partial_result);
3753 }
3754 bail:
3755 g_free(data);
3756
3757 statusbar_progress_all(0,0,0);
3758 statusbar_pop_all();
3759
3760 return result;
3761 }
3762
imap_delete_all_cached_messages(FolderItem * item)3763 static void imap_delete_all_cached_messages(FolderItem *item)
3764 {
3765 gchar *dir;
3766
3767 g_return_if_fail(item != NULL);
3768 g_return_if_fail(item->folder != NULL);
3769 g_return_if_fail(FOLDER_CLASS(item->folder) == &imap_class);
3770
3771 debug_print("Deleting all cached messages...\n");
3772
3773 dir = folder_item_get_path(item);
3774 if (is_dir_exist(dir))
3775 remove_all_numbered_files(dir);
3776 g_free(dir);
3777
3778 debug_print("Deleting all cached messages done.\n");
3779 }
3780
imap_get_path_separator_for_item(FolderItem * item)3781 gchar imap_get_path_separator_for_item(FolderItem *item)
3782 {
3783 Folder *folder = NULL;
3784 IMAPFolder *imap_folder = NULL;
3785 IMAPSession *session = NULL;
3786 gchar result = '/';
3787 gint ok = MAILIMAP_NO_ERROR;
3788 if (!item)
3789 return '/';
3790 folder = item->folder;
3791
3792 if (!folder)
3793 return '/';
3794
3795 imap_folder = IMAP_FOLDER(folder);
3796
3797 debug_print("getting session...\n");
3798 session = imap_session_get(FOLDER(folder));
3799 result = imap_get_path_separator(session, imap_folder, item->path, &ok);
3800 return result;
3801 }
3802
imap_refresh_path_separator(IMAPSession * session,IMAPFolder * folder,const gchar * subfolder,gint * ok)3803 static gchar imap_refresh_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *subfolder, gint *ok)
3804 {
3805 clist * lep_list;
3806 int r;
3807 gchar separator = '\0';
3808
3809 g_return_val_if_fail(session != NULL, '/');
3810 r = imap_threaded_list((Folder *)folder, "", subfolder, &lep_list);
3811
3812 if (r != MAILIMAP_NO_ERROR) {
3813 imap_handle_error(SESSION(session), NULL, r);
3814 log_warning(LOG_PROTOCOL, _("LIST failed\n"));
3815 *ok = r;
3816 return '\0';
3817 }
3818
3819 if (lep_list != NULL && clist_count(lep_list) > 0) {
3820 clistiter * iter = clist_begin(lep_list);
3821 struct mailimap_mailbox_list * mb;
3822 mb = clist_content(iter);
3823
3824 separator = mb->mb_delimiter;
3825 debug_print("got separator: %c\n", folder->last_seen_separator);
3826 }
3827 *ok = MAILIMAP_NO_ERROR;
3828 mailimap_list_result_free(lep_list);
3829 return separator;
3830 }
3831
imap_get_path_separator(IMAPSession * session,IMAPFolder * folder,const gchar * path,gint * ok)3832 static gchar imap_get_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3833 {
3834 gchar separator = '/';
3835 *ok = MAILIMAP_NO_ERROR;
3836 if (folder->last_seen_separator == 0) {
3837 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "", ok);
3838 }
3839
3840 if (folder->last_seen_separator == 0) {
3841 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "INBOX", ok);
3842 }
3843
3844 if (folder->last_seen_separator != 0) {
3845 debug_print("using separator: %c\n", folder->last_seen_separator);
3846 return folder->last_seen_separator;
3847 }
3848
3849 return separator;
3850 }
3851
imap_get_real_path(IMAPSession * session,IMAPFolder * folder,const gchar * path,gint * ok)3852 static gchar *imap_get_real_path(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3853 {
3854 gchar *real_path = NULL;
3855 gchar separator;
3856
3857 g_return_val_if_fail(folder != NULL, NULL);
3858 g_return_val_if_fail(path != NULL, NULL);
3859
3860 *ok = MAILIMAP_NO_ERROR;
3861
3862 real_path = imap_utf8_to_modified_utf7(path, FALSE);
3863 separator = imap_get_path_separator(session, folder, path, ok);
3864 if (*ok == MAILIMAP_NO_ERROR)
3865 imap_path_separator_subst(real_path, separator);
3866
3867 return real_path;
3868 }
3869
imap_set_message_flags(IMAPSession * session,IMAPFolderItem * item,MsgNumberList * numlist,IMAPFlags flags,GSList * tags,gboolean is_set)3870 static gint imap_set_message_flags(IMAPSession *session,
3871 IMAPFolderItem *item,
3872 MsgNumberList *numlist,
3873 IMAPFlags flags,
3874 GSList *tags,
3875 gboolean is_set)
3876 {
3877 gint ok = 0;
3878 GSList *seq_list;
3879 GSList * cur;
3880 gint total = 0;
3881 IMAPFolder *folder = NULL;
3882 GSList *sorted_list = NULL;
3883
3884 if (numlist == NULL || session == NULL)
3885 return MAILIMAP_ERROR_BAD_STATE;
3886
3887 folder = IMAP_FOLDER(session->folder);
3888
3889 sorted_list = g_slist_copy(numlist);
3890 sorted_list = g_slist_sort(sorted_list, g_int_compare);
3891
3892 cur = g_slist_last(sorted_list);
3893
3894 if (cur)
3895 total = GPOINTER_TO_INT(cur->data);
3896
3897 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(session->folder), sorted_list);
3898
3899 statusbar_print_all(_("Flagging messages..."));
3900
3901 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
3902 struct mailimap_set * imapset = (struct mailimap_set *)cur->data;
3903 struct mailimap_set_item *set_item = NULL;
3904
3905 if (imapset->set_list)
3906 set_item = clist_content(clist_begin(imapset->set_list));
3907 else
3908 continue;
3909
3910 if (set_item == NULL)
3911 continue;
3912
3913 statusbar_progress_all(set_item->set_first, total, 1);
3914
3915 ok = imap_cmd_store(session, item, imapset,
3916 flags, tags, is_set);
3917 statusbar_progress_all(set_item->set_last, total, 1);
3918 if (ok != MAILIMAP_NO_ERROR && folder->max_set_size > 20) {
3919 /* reduce max set size */
3920 folder->max_set_size /= 2;
3921 }
3922 if (ok != MAILIMAP_NO_ERROR && is_fatal(ok)) {
3923 break;
3924 }
3925 }
3926
3927 g_slist_free(sorted_list);
3928
3929 statusbar_progress_all(0,0,0);
3930 statusbar_pop_all();
3931
3932 imap_lep_set_free(seq_list);
3933
3934 return ok;
3935 }
3936
3937 typedef struct _select_data {
3938 IMAPSession *session;
3939 gchar *real_path;
3940 gint *exists;
3941 gint *recent;
3942 gint *unseen;
3943 guint32 *uid_validity;
3944 gboolean done;
3945 } select_data;
3946
imap_select(IMAPSession * session,IMAPFolder * folder,FolderItem * item,gint * exists,gint * recent,gint * unseen,guint32 * uid_validity,gint * can_create_flags,gboolean block)3947 static gint imap_select(IMAPSession *session, IMAPFolder *folder,
3948 FolderItem *item,
3949 gint *exists, gint *recent, gint *unseen,
3950 guint32 *uid_validity, gint *can_create_flags,
3951 gboolean block)
3952 {
3953 gchar *real_path;
3954 gint ok = MAILIMAP_NO_ERROR;
3955 gint exists_, recent_, unseen_;
3956 guint32 uid_validity_;
3957 gint can_create_flags_;
3958 const gchar *path = item ? item->path:NULL;
3959
3960 if (!item) {
3961 return MAILIMAP_ERROR_BAD_STATE;
3962 }
3963
3964 if (!exists && !recent && !unseen && !uid_validity && !can_create_flags) {
3965 if (session->mbox && strcmp(session->mbox, path) == 0)
3966 return MAILIMAP_NO_ERROR;
3967 }
3968 if (!exists && !recent && !unseen && !uid_validity && can_create_flags) {
3969 if (session->mbox && strcmp(session->mbox, path) == 0) {
3970 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS_UNKNOWN)
3971 return MAILIMAP_NO_ERROR;
3972 }
3973 }
3974 if (!exists)
3975 exists = &exists_;
3976 if (!recent)
3977 recent = &recent_;
3978 if (!unseen)
3979 unseen = &unseen_;
3980 if (!uid_validity)
3981 uid_validity = &uid_validity_;
3982 if (!can_create_flags)
3983 can_create_flags = &can_create_flags_;
3984
3985 g_free(session->mbox);
3986 session->mbox = NULL;
3987 session->exists = 0;
3988 session->recent = 0;
3989 session->expunge = 0;
3990
3991 real_path = imap_get_real_path(session, folder, path, &ok);
3992 if (is_fatal(ok)) {
3993 g_free(real_path);
3994 return ok;
3995 }
3996 g_slist_free(IMAP_FOLDER_ITEM(item)->ok_flags);
3997 IMAP_FOLDER_ITEM(item)->ok_flags = NULL;
3998 ok = imap_cmd_select(session, real_path,
3999 exists, recent, unseen, uid_validity, can_create_flags,
4000 &(IMAP_FOLDER_ITEM(item)->ok_flags), block);
4001 if (ok != MAILIMAP_NO_ERROR) {
4002 log_warning(LOG_PROTOCOL, _("can't select folder: %s\n"), real_path);
4003 } else {
4004 session->mbox = g_strdup(path);
4005 session->folder_content_changed = FALSE;
4006 session->exists = *exists;
4007 session->recent = *recent;
4008 session->expunge = 0;
4009 session->unseen = *unseen;
4010 session->uid_validity = *uid_validity;
4011 debug_print("select: exists %d recent %d expunge %d uid_validity %d can_create_flags %d\n",
4012 session->exists, session->recent, session->expunge,
4013 session->uid_validity, *can_create_flags);
4014 }
4015 if (*can_create_flags) {
4016 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CAN_CREATE_FLAGS;
4017 } else {
4018 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CANNOT_CREATE_FLAGS;
4019 }
4020 g_free(real_path);
4021
4022 return ok;
4023 }
4024
imap_status(IMAPSession * session,IMAPFolder * folder,const gchar * path,IMAPFolderItem * item,gint * messages,guint32 * uid_next,guint32 * uid_validity,gint * unseen,gboolean block)4025 static gint imap_status(IMAPSession *session, IMAPFolder *folder,
4026 const gchar *path, IMAPFolderItem *item,
4027 gint *messages,
4028 guint32 *uid_next, guint32 *uid_validity,
4029 gint *unseen, gboolean block)
4030 {
4031 int r = MAILIMAP_NO_ERROR;
4032 clistiter * iter;
4033 struct mailimap_mailbox_data_status * data_status;
4034 int got_values;
4035 gchar *real_path;
4036 guint mask = 0;
4037
4038 real_path = imap_get_real_path(session, folder, path, &r);
4039 if (is_fatal(r)) {
4040 g_free(real_path);
4041 return r;
4042 }
4043 if (messages) {
4044 mask |= 1 << 0;
4045 *messages = 0;
4046 }
4047 if (uid_next) {
4048 mask |= 1 << 2;
4049 *uid_next = 0;
4050 }
4051 if (uid_validity) {
4052 mask |= 1 << 3;
4053 *uid_validity = 0;
4054 }
4055 if (unseen) {
4056 mask |= 1 << 4;
4057 *unseen = 0;
4058 }
4059
4060 if (session->mbox != NULL &&
4061 !strcmp(session->mbox, item->item.path)) {
4062 r = imap_cmd_close(session);
4063 if (r != MAILIMAP_NO_ERROR) {
4064 debug_print("close err %d\n", r);
4065 g_free(real_path);
4066 return r;
4067 }
4068 }
4069
4070 r = imap_threaded_status(FOLDER(folder), real_path,
4071 &data_status, mask);
4072
4073 g_free(real_path);
4074 if (r != MAILIMAP_NO_ERROR) {
4075 imap_handle_error(SESSION(session), NULL, r);
4076 debug_print("status err %d\n", r);
4077 return r;
4078 }
4079
4080 if (data_status == NULL || data_status->st_info_list == NULL) {
4081 debug_print("data_status %p\n", data_status);
4082 if (data_status) {
4083 debug_print("data_status->st_info_list %p\n", data_status->st_info_list);
4084 mailimap_mailbox_data_status_free(data_status);
4085 }
4086 return MAILIMAP_ERROR_BAD_STATE;
4087 }
4088
4089 got_values = 0;
4090 if (data_status->st_info_list) {
4091 for(iter = clist_begin(data_status->st_info_list) ; iter != NULL ;
4092 iter = clist_next(iter)) {
4093 struct mailimap_status_info * info;
4094
4095 info = clist_content(iter);
4096 switch (info->st_att) {
4097 case MAILIMAP_STATUS_ATT_MESSAGES:
4098 if (messages) {
4099 * messages = info->st_value;
4100 got_values |= 1 << 0;
4101 }
4102 break;
4103
4104 case MAILIMAP_STATUS_ATT_UIDNEXT:
4105 if (uid_next) {
4106 * uid_next = info->st_value;
4107 got_values |= 1 << 2;
4108 }
4109 break;
4110
4111 case MAILIMAP_STATUS_ATT_UIDVALIDITY:
4112 if (uid_validity) {
4113 * uid_validity = info->st_value;
4114 got_values |= 1 << 3;
4115 }
4116 break;
4117
4118 case MAILIMAP_STATUS_ATT_UNSEEN:
4119 if (unseen) {
4120 * unseen = info->st_value;
4121 got_values |= 1 << 4;
4122 }
4123 break;
4124 }
4125 }
4126 }
4127 mailimap_mailbox_data_status_free(data_status);
4128
4129 if (got_values != mask) {
4130 g_warning("status: incomplete values received (%d)", got_values);
4131 }
4132 return MAILIMAP_NO_ERROR;
4133 }
4134
imap_free_capabilities(IMAPSession * session)4135 static void imap_free_capabilities(IMAPSession *session)
4136 {
4137 slist_free_strings_full(session->capability);
4138 session->capability = NULL;
4139 }
4140
4141 /* low-level IMAP4rev1 commands */
4142
imap_cmd_login(IMAPSession * session,const gchar * user,const gchar * pass,const gchar * type)4143 static gint imap_cmd_login(IMAPSession *session,
4144 const gchar *user, const gchar *pass,
4145 const gchar *type)
4146 {
4147 int r;
4148 gint ok;
4149
4150 if (!strcmp(type, "plaintext") && imap_has_capability(session, "LOGINDISABLED")) {
4151 ok = MAILIMAP_ERROR_BAD_STATE;
4152 if (imap_has_capability(session, "STARTTLS")) {
4153 #ifdef USE_GNUTLS
4154 log_warning(LOG_PROTOCOL, _("Server requires STARTTLS to log in.\n"));
4155 ok = imap_cmd_starttls(session);
4156 if (ok != MAILIMAP_NO_ERROR) {
4157 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
4158 return ok;
4159 } else {
4160 /* refresh capas */
4161 imap_free_capabilities(session);
4162 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
4163 imap_handle_error(SESSION(session), NULL, r);
4164 log_warning(LOG_PROTOCOL, _("Can't refresh capabilities.\n"));
4165 return r;
4166 }
4167 }
4168 #else
4169 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
4170 "server requires STARTTLS, but Claws Mail "
4171 "has been compiled without STARTTLS "
4172 "support.\n"),
4173 SESSION(session)->server);
4174 return MAILIMAP_ERROR_LOGIN;
4175 #endif
4176 } else {
4177 log_error(LOG_PROTOCOL, _("Server logins are disabled.\n"));
4178 return MAILIMAP_ERROR_LOGIN;
4179 }
4180 }
4181
4182 log_print(LOG_PROTOCOL, "IMAP> Logging %s to %s using %s\n",
4183 user,
4184 SESSION(session)->server,
4185 type);
4186 r = imap_threaded_login(session->folder, user, pass, type);
4187 if (r != MAILIMAP_NO_ERROR) {
4188 imap_handle_error(SESSION(session), NULL, r);
4189 log_print(LOG_PROTOCOL, "IMAP< Error logging in to %s\n",
4190 SESSION(session)->server);
4191 ok = r;
4192 } else {
4193 log_print(LOG_PROTOCOL, "IMAP< Login to %s successful\n",
4194 SESSION(session)->server);
4195 ok = MAILIMAP_NO_ERROR;
4196 }
4197 return ok;
4198 }
4199
imap_cmd_noop(IMAPSession * session)4200 static gint imap_cmd_noop(IMAPSession *session)
4201 {
4202 int r;
4203 unsigned int exists, recent, expunge, unseen, uidnext, uidval;
4204
4205 r = imap_threaded_noop(session->folder, &exists, &recent, &expunge, &unseen, &uidnext, &uidval);
4206 if (r != MAILIMAP_NO_ERROR) {
4207 imap_handle_error(SESSION(session), NULL, r);
4208 debug_print("noop err %d\n", r);
4209 return r;
4210 }
4211
4212 if ((exists && exists != session->exists)
4213 || (recent && recent != session->recent)
4214 || (expunge && expunge != session->expunge)
4215 || (unseen && unseen != session->unseen)) {
4216 session->folder_content_changed = TRUE;
4217 }
4218 if (uidnext != 0 && uidnext != session->uid_next) {
4219 session->uid_next = uidnext;
4220 session->folder_content_changed = TRUE;
4221 }
4222 if (uidval != 0 && uidval != session->uid_validity) {
4223 session->uid_validity = uidval;
4224 session->folder_content_changed = TRUE;
4225 }
4226
4227 session->exists = exists;
4228 session->recent = recent;
4229 session->expunge = expunge;
4230 session->unseen = unseen;
4231
4232 session_set_access_time(SESSION(session));
4233
4234 return MAILIMAP_NO_ERROR;
4235 }
4236
4237 #ifdef USE_GNUTLS
imap_cmd_starttls(IMAPSession * session)4238 static gint imap_cmd_starttls(IMAPSession *session)
4239 {
4240 int r;
4241
4242 r = imap_threaded_starttls(session->folder,
4243 SESSION(session)->server, SESSION(session)->port);
4244 if (r != MAILIMAP_NO_ERROR) {
4245 imap_handle_error(SESSION(session), NULL, r);
4246 debug_print("STARTTLS err %d\n", r);
4247 return r;
4248 }
4249 return MAILIMAP_NO_ERROR;
4250 }
4251 #endif
4252
imap_cmd_select(IMAPSession * session,const gchar * folder,gint * exists,gint * recent,gint * unseen,guint32 * uid_validity,gint * can_create_flags,GSList ** ok_flags,gboolean block)4253 static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
4254 gint *exists, gint *recent, gint *unseen,
4255 guint32 *uid_validity, gint *can_create_flags,
4256 GSList **ok_flags, gboolean block)
4257 {
4258 int r;
4259
4260 r = imap_threaded_select(session->folder, folder,
4261 exists, recent, unseen, uid_validity, can_create_flags, ok_flags);
4262 if (r != MAILIMAP_NO_ERROR) {
4263 imap_handle_error(SESSION(session), NULL, r);
4264 debug_print("select err %d\n", r);
4265 return r;
4266 }
4267 return MAILIMAP_NO_ERROR;
4268 }
4269
imap_cmd_close(IMAPSession * session)4270 static gint imap_cmd_close(IMAPSession *session)
4271 {
4272 int r;
4273
4274 r = imap_threaded_close(session->folder);
4275 if (r != MAILIMAP_NO_ERROR) {
4276 imap_handle_error(SESSION(session), NULL, r);
4277 debug_print("close err %d\n", r);
4278 return r;
4279 }
4280 g_free(session->mbox);
4281 session->mbox = NULL;
4282 session->exists = 0;
4283 session->recent = 0;
4284 session->expunge = 0;
4285 return MAILIMAP_NO_ERROR;
4286 }
4287
imap_cmd_examine(IMAPSession * session,const gchar * folder,gint * exists,gint * recent,gint * unseen,guint32 * uid_validity,gboolean block)4288 static gint imap_cmd_examine(IMAPSession *session, const gchar *folder,
4289 gint *exists, gint *recent, gint *unseen,
4290 guint32 *uid_validity, gboolean block)
4291 {
4292 int r;
4293
4294 r = imap_threaded_examine(session->folder, folder,
4295 exists, recent, unseen, uid_validity);
4296 if (r != MAILIMAP_NO_ERROR) {
4297 imap_handle_error(SESSION(session), NULL, r);
4298 debug_print("examine err %d\n", r);
4299
4300 return r;
4301 }
4302 return MAILIMAP_NO_ERROR;
4303 }
4304
imap_cmd_create(IMAPSession * session,const gchar * folder)4305 static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
4306 {
4307 int r;
4308
4309 r = imap_threaded_create(session->folder, folder);
4310 if (r != MAILIMAP_NO_ERROR) {
4311 imap_handle_error(SESSION(session), NULL, r);
4312 return r;
4313 }
4314
4315 return MAILIMAP_NO_ERROR;
4316 }
4317
imap_cmd_rename(IMAPSession * session,const gchar * old_folder,const gchar * new_folder)4318 static gint imap_cmd_rename(IMAPSession *session, const gchar *old_folder,
4319 const gchar *new_folder)
4320 {
4321 int r;
4322
4323 r = imap_threaded_rename(session->folder, old_folder,
4324 new_folder);
4325 if (r != MAILIMAP_NO_ERROR) {
4326 imap_handle_error(SESSION(session), NULL, r);
4327 return r;
4328 }
4329
4330 return MAILIMAP_NO_ERROR;
4331 }
4332
imap_cmd_delete(IMAPSession * session,const gchar * folder)4333 static gint imap_cmd_delete(IMAPSession *session, const gchar *folder)
4334 {
4335 int r;
4336
4337
4338 r = imap_threaded_delete(session->folder, folder);
4339 if (r != MAILIMAP_NO_ERROR) {
4340 imap_handle_error(SESSION(session), NULL, r);
4341 return r;
4342 }
4343
4344 return MAILIMAP_NO_ERROR;
4345 }
4346
4347 typedef struct _fetch_data {
4348 IMAPSession *session;
4349 guint32 uid;
4350 const gchar *filename;
4351 gboolean headers;
4352 gboolean body;
4353 gboolean done;
4354 } fetch_data;
4355
imap_cmd_fetch_thread(void * data)4356 static void *imap_cmd_fetch_thread(void *data)
4357 {
4358 fetch_data *stuff = (fetch_data *)data;
4359 IMAPSession *session = stuff->session;
4360 guint32 uid = stuff->uid;
4361 const gchar *filename = stuff->filename;
4362 int r;
4363
4364 if (stuff->body) {
4365 r = imap_threaded_fetch_content(session->folder,
4366 uid, 1, filename);
4367 }
4368 else {
4369 r = imap_threaded_fetch_content(session->folder,
4370 uid, 0, filename);
4371 }
4372 if (r != MAILIMAP_NO_ERROR) {
4373 imap_handle_error(SESSION(session), NULL, r);
4374 debug_print("fetch err %d\n", r);
4375 return GINT_TO_POINTER(r);
4376 }
4377 return GINT_TO_POINTER(MAILIMAP_NO_ERROR);
4378 }
4379
imap_cmd_fetch(IMAPSession * session,guint32 uid,const gchar * filename,gboolean headers,gboolean body)4380 static gint imap_cmd_fetch(IMAPSession *session, guint32 uid,
4381 const gchar *filename, gboolean headers,
4382 gboolean body)
4383 {
4384 fetch_data *data = g_new0(fetch_data, 1);
4385 int result = 0;
4386 data->done = FALSE;
4387 data->session = session;
4388 data->uid = uid;
4389 data->filename = filename;
4390 data->headers = headers;
4391 data->body = body;
4392
4393 if (prefs_common.work_offline &&
4394 !inc_offline_should_override(FALSE,
4395 _("Claws Mail needs network access in order "
4396 "to access the IMAP server."))) {
4397 g_free(data);
4398 return -1;
4399 }
4400 statusbar_print_all(_("Fetching message..."));
4401 result = GPOINTER_TO_INT(imap_cmd_fetch_thread(data));
4402 statusbar_pop_all();
4403 g_free(data);
4404 return result;
4405 }
4406
4407
imap_cmd_append(IMAPSession * session,IMAPFolderItem * item,const gchar * destfolder,const gchar * file,IMAPFlags flags,guint32 * new_uid)4408 static gint imap_cmd_append(IMAPSession *session,
4409 IMAPFolderItem *item,
4410 const gchar *destfolder,
4411 const gchar *file, IMAPFlags flags,
4412 guint32 *new_uid)
4413 {
4414 struct mailimap_flag_list * flag_list;
4415 int r;
4416
4417 cm_return_val_if_fail(file != NULL, MAILIMAP_ERROR_BAD_STATE);
4418
4419 flag_list = imap_flag_to_lep(item, flags, NULL);
4420 lock_session(session);
4421 r = imap_threaded_append(session->folder, destfolder,
4422 file, flag_list, (int *)new_uid);
4423 mailimap_flag_list_free(flag_list);
4424
4425 if (r != MAILIMAP_NO_ERROR) {
4426 imap_handle_error(SESSION(session), NULL, r);
4427 debug_print("append err %d\n", r);
4428 return r;
4429 }
4430
4431 unlock_session(session);
4432
4433 return MAILIMAP_NO_ERROR;
4434 }
4435
imap_cmd_copy(IMAPSession * session,struct mailimap_set * set,const gchar * destfolder,struct mailimap_set ** source,struct mailimap_set ** dest)4436 static gint imap_cmd_copy(IMAPSession *session, struct mailimap_set * set,
4437 const gchar *destfolder,
4438 struct mailimap_set **source, struct mailimap_set **dest)
4439 {
4440 int r;
4441
4442 g_return_val_if_fail(session != NULL, MAILIMAP_ERROR_BAD_STATE);
4443 g_return_val_if_fail(set != NULL, MAILIMAP_ERROR_BAD_STATE);
4444 g_return_val_if_fail(destfolder != NULL, MAILIMAP_ERROR_BAD_STATE);
4445
4446 r = imap_threaded_copy(session->folder, set, destfolder, source, dest);
4447 if (r != MAILIMAP_NO_ERROR) {
4448 imap_handle_error(SESSION(session), NULL, r);
4449 return r;
4450 }
4451
4452 return MAILIMAP_NO_ERROR;
4453 }
4454
imap_cmd_store(IMAPSession * session,IMAPFolderItem * item,struct mailimap_set * set,IMAPFlags flags,GSList * tags,int do_add)4455 static gint imap_cmd_store(IMAPSession *session,
4456 IMAPFolderItem *item,
4457 struct mailimap_set * set,
4458 IMAPFlags flags, GSList *tags, int do_add)
4459 {
4460 int r;
4461 struct mailimap_flag_list * flag_list = NULL;
4462 struct mailimap_store_att_flags * store_att_flags;
4463
4464 flag_list = imap_flag_to_lep(item, flags, tags);
4465
4466 if (do_add)
4467 store_att_flags =
4468 mailimap_store_att_flags_new_add_flags_silent(flag_list);
4469 else
4470 store_att_flags =
4471 mailimap_store_att_flags_new_remove_flags_silent(flag_list);
4472
4473 r = imap_threaded_store(session->folder, set, store_att_flags);
4474 mailimap_store_att_flags_free(store_att_flags);
4475 if (r != MAILIMAP_NO_ERROR) {
4476 imap_handle_error(SESSION(session), NULL, r);
4477 return r;
4478 }
4479
4480 return MAILIMAP_NO_ERROR;
4481 }
4482
imap_cmd_expunge(IMAPSession * session)4483 static gint imap_cmd_expunge(IMAPSession *session)
4484 {
4485 int r;
4486
4487 if (prefs_common.work_offline &&
4488 !inc_offline_should_override(FALSE,
4489 _("Claws Mail needs network access in order "
4490 "to access the IMAP server."))) {
4491 return -1;
4492 }
4493
4494 r = imap_threaded_expunge(session->folder);
4495 if (r != MAILIMAP_NO_ERROR) {
4496 imap_handle_error(SESSION(session), NULL, r);
4497 return r;
4498 }
4499
4500 return MAILIMAP_NO_ERROR;
4501 }
4502
imap_expunge(Folder * folder,FolderItem * item)4503 gint imap_expunge(Folder *folder, FolderItem *item)
4504 {
4505 IMAPSession *session = imap_session_get(folder);
4506 if (session == NULL)
4507 return -1;
4508
4509 return imap_cmd_expunge(session);
4510 }
4511
imap_path_separator_subst(gchar * str,gchar separator)4512 static void imap_path_separator_subst(gchar *str, gchar separator)
4513 {
4514 gchar *p;
4515 gboolean in_escape = FALSE;
4516
4517 if (!separator || separator == '/') return;
4518
4519 for (p = str; *p != '\0'; p++) {
4520 if (*p == '/' && !in_escape)
4521 *p = separator;
4522 else if (*p == '&' && *(p + 1) != '-' && !in_escape)
4523 in_escape = TRUE;
4524 else if (*p == '-' && in_escape)
4525 in_escape = FALSE;
4526 }
4527 }
4528
imap_rename_folder_func(GNode * node,gpointer data)4529 static gboolean imap_rename_folder_func(GNode *node, gpointer data)
4530 {
4531 FolderItem *item = node->data;
4532 gchar **paths = data;
4533 const gchar *oldpath = paths[0];
4534 const gchar *newpath = paths[1];
4535 gchar *real_oldpath, *real_newpath;
4536 gchar *base;
4537 gchar *new_itempath;
4538 gint oldpathlen;
4539 IMAPSession *session = imap_session_get(item->folder);
4540 gint ok = MAILIMAP_NO_ERROR;
4541 oldpathlen = strlen(oldpath);
4542 if (strncmp(oldpath, item->path, oldpathlen) != 0) {
4543 g_warning("path doesn't match: %s, %s", oldpath, item->path);
4544 return TRUE;
4545 }
4546
4547 base = item->path + oldpathlen;
4548 while (*base == '/') base++;
4549 if (*base == '\0')
4550 new_itempath = g_strdup(newpath);
4551 else
4552 new_itempath = g_strconcat(newpath, "/", base,
4553 NULL);
4554
4555 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4556 g_free(item->path);
4557 item->path = new_itempath;
4558
4559 real_newpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4560
4561 imap_threaded_subscribe(item->folder, real_oldpath, FALSE);
4562 imap_threaded_subscribe(item->folder, real_newpath, TRUE);
4563
4564 g_free(real_oldpath);
4565 g_free(real_newpath);
4566 return FALSE;
4567 }
4568
get_list_of_uids(IMAPSession * session,Folder * folder,IMAPFolderItem * item,GSList ** msgnum_list)4569 static gint get_list_of_uids(IMAPSession *session, Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
4570 {
4571 GSList *uidlist, *elem;
4572 int r = -1;
4573 clist * lep_uidlist;
4574 gint ok, nummsgs = 0;
4575
4576 if (session == NULL) {
4577 return -1;
4578 }
4579
4580 ok = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(item),
4581 NULL, NULL, NULL, NULL, NULL, TRUE);
4582 if (ok != MAILIMAP_NO_ERROR) {
4583 return -1;
4584 }
4585
4586 g_slist_free(item->uid_list);
4587 item->uid_list = NULL;
4588
4589 uidlist = NULL;
4590
4591 if (folder->account && folder->account->low_bandwidth) {
4592 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SIMPLE,
4593 NULL, NULL, NULL, &lep_uidlist);
4594 }
4595
4596 if (r == MAILIMAP_NO_ERROR) {
4597 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
4598 mailimap_search_result_free(lep_uidlist);
4599 } else {
4600 carray * lep_uidtab;
4601 if (r != -1) { /* inited */
4602 imap_handle_error(SESSION(session), NULL, r);
4603 if (is_fatal(r))
4604 return -1;
4605 }
4606 r = imap_threaded_fetch_uid(folder, 1,
4607 &lep_uidtab);
4608 if (r == MAILIMAP_NO_ERROR) {
4609 uidlist = imap_uid_list_from_lep_tab(lep_uidtab);
4610 imap_fetch_uid_list_free(lep_uidtab);
4611 }
4612 }
4613
4614 if (r != MAILIMAP_NO_ERROR) {
4615 imap_handle_error(SESSION(session), NULL, r);
4616 return -1;
4617 }
4618
4619 for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
4620 guint msgnum;
4621
4622 msgnum = GPOINTER_TO_INT(elem->data);
4623
4624 *msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(msgnum));
4625 item->uid_list = g_slist_prepend(item->uid_list, GINT_TO_POINTER(msgnum));
4626 nummsgs++;
4627 }
4628 g_slist_free(uidlist);
4629
4630 return nummsgs;
4631
4632 }
4633
imap_get_num_list(Folder * folder,FolderItem * _item,GSList ** msgnum_list,gboolean * old_uids_valid)4634 gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list, gboolean *old_uids_valid)
4635 {
4636 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4637 IMAPSession *session;
4638 gint nummsgs;
4639 GSList *uidlist = NULL;
4640 gchar *dir;
4641 gint known_list_len = 0;
4642 gchar *path;
4643
4644 debug_print("get_num_list\n");
4645
4646 g_return_val_if_fail(folder != NULL, -1);
4647 g_return_val_if_fail(item != NULL, -1);
4648 g_return_val_if_fail(item->item.path != NULL, -1);
4649 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
4650 g_return_val_if_fail(folder->account != NULL, -1);
4651
4652 known_list_len = g_slist_length(item->uid_list);
4653 if (!item->should_update) {
4654 debug_print("get_num_list: nothing to update\n");
4655 *old_uids_valid = TRUE;
4656 if (known_list_len == item->item.total_msgs
4657 && known_list_len > 0) {
4658 *msgnum_list = g_slist_copy(item->uid_list);
4659 return known_list_len;
4660 } else {
4661 debug_print("don't know the list length...\n");
4662 }
4663 }
4664
4665 if (prefs_common.work_offline &&
4666 !inc_offline_should_override(FALSE,
4667 _("Claws Mail needs network access in order "
4668 "to access the IMAP server."))) {
4669 return -1;
4670 }
4671
4672 path = folder_item_get_path(_item);
4673 if (!is_dir_exist(path)) {
4674 if(is_file_exist(path))
4675 claws_unlink(path);
4676 make_dir_hier(path);
4677 }
4678 g_free(path);
4679
4680 debug_print("getting session...\n");
4681 session = imap_session_get(folder);
4682 g_return_val_if_fail(session != NULL, -1);
4683
4684 lock_session(session);
4685 if (FOLDER_ITEM(item)->path)
4686 statusbar_print_all(_("Scanning folder %s/%s..."),
4687 FOLDER_ITEM(item)->folder->name,
4688 FOLDER_ITEM(item)->path);
4689 else
4690 statusbar_print_all(_("Scanning folder %s..."),
4691 FOLDER_ITEM(item)->folder->name);
4692
4693 if (item->should_trash_cache) {
4694 *old_uids_valid = FALSE;
4695 debug_print("get_num_list: trashing num list\n");
4696 debug_print("Freeing imap uid cache\n");
4697 item->lastuid = 0;
4698 g_slist_free(item->uid_list);
4699 item->uid_list = NULL;
4700
4701 imap_delete_all_cached_messages((FolderItem *)item);
4702 } else {
4703 debug_print("get_num_list: updating num list\n");
4704 *old_uids_valid = TRUE;
4705 }
4706
4707 nummsgs = get_list_of_uids(session, folder, item, &uidlist);
4708
4709 unlock_session(session);
4710
4711 /* session could be broken now, in case of fatal error */
4712
4713 debug_print("get_num_list: got %d msgs\n", nummsgs);
4714
4715 if (nummsgs < 0) {
4716 statusbar_pop_all();
4717 return -1;
4718 }
4719
4720 *msgnum_list = uidlist;
4721
4722 dir = folder_item_get_path((FolderItem *)item);
4723 debug_print("removing old messages from %s\n", dir);
4724 remove_numbered_files_not_in_list(dir, *msgnum_list);
4725 g_free(dir);
4726
4727 debug_print("get_num_list - ok - %i\n", nummsgs);
4728 statusbar_pop_all();
4729 item->should_trash_cache = FALSE;
4730 item->should_update = FALSE;
4731 return nummsgs;
4732 }
4733
imap_parse_msg(const gchar * file,FolderItem * item)4734 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item)
4735 {
4736 MsgInfo *msginfo;
4737 MsgFlags flags;
4738
4739 flags.perm_flags = MSG_NEW|MSG_UNREAD;
4740 flags.tmp_flags = 0;
4741
4742 g_return_val_if_fail(item != NULL, NULL);
4743 g_return_val_if_fail(file != NULL, NULL);
4744
4745 if (folder_has_parent_of_type(item, F_QUEUE)) {
4746 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
4747 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
4748 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
4749 }
4750
4751 msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
4752 if (!msginfo) return NULL;
4753
4754 msginfo->plaintext_file = g_strdup(file);
4755 msginfo->folder = item;
4756
4757 return msginfo;
4758 }
4759
imap_get_msginfos(Folder * folder,FolderItem * item,GSList * msgnum_list)4760 GSList *imap_get_msginfos(Folder *folder, FolderItem *item,
4761 GSList *msgnum_list)
4762 {
4763 IMAPSession *session;
4764 MsgInfoList *ret = NULL;
4765 gint ok;
4766
4767 debug_print("get_msginfos\n");
4768
4769 g_return_val_if_fail(folder != NULL, NULL);
4770 g_return_val_if_fail(item != NULL, NULL);
4771 g_return_val_if_fail(msgnum_list != NULL, NULL);
4772
4773 debug_print("getting session...\n");
4774 session = imap_session_get(folder);
4775 g_return_val_if_fail(session != NULL, NULL);
4776
4777 lock_session(session); /* unlocked later in the function */
4778
4779 debug_print("IMAP getting msginfos\n");
4780 ok = imap_select(session, IMAP_FOLDER(folder), item,
4781 NULL, NULL, NULL, NULL, NULL, FALSE);
4782 if (ok != MAILIMAP_NO_ERROR) {
4783 return NULL;
4784 }
4785 if (!(folder_has_parent_of_type(item, F_DRAFT) ||
4786 folder_has_parent_of_type(item, F_QUEUE))) {
4787 ret = g_slist_concat(ret,
4788 imap_get_uncached_messages(session, item,
4789 msgnum_list, &ok));
4790 if (ok != MAILIMAP_NO_ERROR)
4791 return NULL;
4792 unlock_session(session);
4793 } else {
4794 MsgNumberList *sorted_list, *elem, *llast = NULL;
4795 gint startnum, lastnum;
4796
4797 unlock_session(session);
4798
4799 sorted_list = g_slist_sort(g_slist_copy(msgnum_list), g_int_compare);
4800
4801 startnum = lastnum = GPOINTER_TO_INT(sorted_list->data);
4802
4803 llast = g_slist_last(ret);
4804 for (elem = sorted_list;; elem = g_slist_next(elem)) {
4805 guint num = 0;
4806
4807 if (elem)
4808 num = GPOINTER_TO_INT(elem->data);
4809
4810 if (num > lastnum + 1 || elem == NULL) {
4811 int i;
4812 for (i = startnum; i <= lastnum; ++i) {
4813 gchar *file;
4814 file = imap_fetch_msg(folder, item, i);
4815 if (file != NULL) {
4816 MsgInfo *msginfo = imap_parse_msg(file, item);
4817 if (msginfo != NULL) {
4818 msginfo->msgnum = i;
4819 if (llast == NULL)
4820 llast = ret = g_slist_append(ret, msginfo);
4821 else {
4822 llast = g_slist_append(llast, msginfo);
4823 llast = llast->next;
4824 }
4825 }
4826 g_free(file);
4827 }
4828 }
4829
4830 if (elem == NULL)
4831 break;
4832
4833 startnum = num;
4834 }
4835 lastnum = num;
4836 }
4837
4838 g_slist_free(sorted_list);
4839 }
4840 return ret;
4841 }
4842
imap_get_msginfo(Folder * folder,FolderItem * item,gint uid)4843 MsgInfo *imap_get_msginfo(Folder *folder, FolderItem *item, gint uid)
4844 {
4845 MsgInfo *msginfo = NULL;
4846 MsgInfoList *msginfolist;
4847 MsgNumberList numlist;
4848
4849 numlist.next = NULL;
4850 numlist.data = GINT_TO_POINTER(uid);
4851
4852 msginfolist = imap_get_msginfos(folder, item, &numlist);
4853 if (msginfolist != NULL) {
4854 msginfo = msginfolist->data;
4855 g_slist_free(msginfolist);
4856 }
4857
4858 return msginfo;
4859 }
4860
imap_scan_required(Folder * folder,FolderItem * _item)4861 gboolean imap_scan_required(Folder *folder, FolderItem *_item)
4862 {
4863 IMAPSession *session;
4864 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4865 gint ok, exists = 0, unseen = 0;
4866 guint32 uid_next = 0, uid_val = 0;
4867 gboolean selected_folder;
4868
4869 g_return_val_if_fail(folder != NULL, FALSE);
4870 g_return_val_if_fail(item != NULL, FALSE);
4871 g_return_val_if_fail(item->item.folder != NULL, FALSE);
4872 g_return_val_if_fail(FOLDER_CLASS(item->item.folder) == &imap_class, FALSE);
4873
4874 if (item->item.path == NULL)
4875 return FALSE;
4876
4877 if (item->should_update) {
4878 debug_print("scan already required\n");
4879 return TRUE;
4880 }
4881 debug_print("getting session...\n");
4882 session = imap_session_get(folder);
4883
4884 g_return_val_if_fail(session != NULL, FALSE);
4885 lock_session(session); /* unlocked later in the function */
4886
4887 selected_folder = (session->mbox != NULL) &&
4888 (!strcmp(session->mbox, item->item.path));
4889 if (selected_folder) {
4890 if (!session->folder_content_changed) {
4891 ok = imap_cmd_noop(session);
4892 if (ok != MAILIMAP_NO_ERROR) {
4893 debug_print("disconnected!\n");
4894 if (!is_fatal(ok))
4895 session = imap_reconnect_if_possible(folder, session);
4896 else
4897 session = imap_session_get(folder);
4898 if (session == NULL)
4899 return FALSE;
4900 }
4901
4902 if (session->folder_content_changed) {
4903 debug_print("CHANGED (self-noop)! scan_required\n");
4904 item->should_update = TRUE;
4905 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4906 item->item.mtime = session->uid_validity;
4907 item->should_trash_cache = TRUE;
4908 }
4909 unlock_session(session);
4910 return TRUE;
4911 }
4912 } else {
4913 debug_print("CHANGED (previous noop)! scan_required\n");
4914 item->should_update = TRUE;
4915 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4916 item->item.mtime = session->uid_validity;
4917 item->should_trash_cache = TRUE;
4918 }
4919 unlock_session(session);
4920 return TRUE;
4921 }
4922 } else {
4923 ok = imap_status(session, IMAP_FOLDER(folder), item->item.path, IMAP_FOLDER_ITEM(item),
4924 &exists, &uid_next, &uid_val, &unseen, FALSE);
4925 if (ok != MAILIMAP_NO_ERROR) {
4926 return FALSE;
4927 }
4928
4929 debug_print("exists %d, item->item.total_msgs %d\n"
4930 "\tunseen %d, item->item.unread_msgs %d\n"
4931 "\tuid_next %d, item->uid_next %d\n"
4932 "\tuid_val %d, item->item.mtime %ld\n",
4933 exists, item->item.total_msgs, unseen, item->item.unread_msgs,
4934 uid_next, item->uid_next, uid_val, (long)(item->item.mtime));
4935 if (exists != item->item.total_msgs
4936 || unseen != item->item.unread_msgs
4937 || uid_next != item->uid_next
4938 || uid_val != item->item.mtime) {
4939 debug_print("CHANGED (status)! scan_required\n");
4940 item->last_change = time(NULL);
4941 item->should_update = TRUE;
4942 item->uid_next = uid_next;
4943 if (uid_val != item->item.mtime) {
4944 item->item.mtime = uid_val;
4945 item->should_trash_cache = TRUE;
4946 }
4947 unlock_session(session);
4948 return TRUE;
4949 }
4950 }
4951 unlock_session(session);
4952
4953 item->should_update = FALSE;
4954 return FALSE;
4955 }
4956
imap_change_flags(Folder * folder,FolderItem * item,MsgInfo * msginfo,MsgPermFlags newflags)4957 void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
4958 {
4959 IMAPSession *session;
4960 IMAPFlags flags_set = 0, flags_unset = 0;
4961 gint ok = MAILIMAP_NO_ERROR;
4962 MsgNumberList numlist;
4963 hashtable_data *ht_data = NULL;
4964
4965 g_return_if_fail(folder != NULL);
4966 g_return_if_fail(folder->klass == &imap_class);
4967 g_return_if_fail(item != NULL);
4968 g_return_if_fail(item->folder == folder);
4969 g_return_if_fail(msginfo != NULL);
4970 g_return_if_fail(msginfo->folder == item);
4971
4972 if (!MSG_IS_MARKED(msginfo->flags) && (newflags & MSG_MARKED))
4973 flags_set |= IMAP_FLAG_FLAGGED;
4974 if ( MSG_IS_MARKED(msginfo->flags) && !(newflags & MSG_MARKED))
4975 flags_unset |= IMAP_FLAG_FLAGGED;
4976
4977 if (!MSG_IS_UNREAD(msginfo->flags) && (newflags & MSG_UNREAD))
4978 flags_unset |= IMAP_FLAG_SEEN;
4979 if ( MSG_IS_UNREAD(msginfo->flags) && !(newflags & MSG_UNREAD))
4980 flags_set |= IMAP_FLAG_SEEN;
4981
4982 if (!MSG_IS_REPLIED(msginfo->flags) && (newflags & MSG_REPLIED))
4983 flags_set |= IMAP_FLAG_ANSWERED;
4984 if ( MSG_IS_REPLIED(msginfo->flags) && !(newflags & MSG_REPLIED))
4985 flags_unset |= IMAP_FLAG_ANSWERED;
4986
4987 if (!MSG_IS_FORWARDED(msginfo->flags) && (newflags & MSG_FORWARDED))
4988 flags_set |= IMAP_FLAG_FORWARDED;
4989 if ( MSG_IS_FORWARDED(msginfo->flags) && !(newflags & MSG_FORWARDED))
4990 flags_unset |= IMAP_FLAG_FORWARDED;
4991
4992 if (!MSG_IS_SPAM(msginfo->flags) && (newflags & MSG_SPAM)) {
4993 flags_set |= IMAP_FLAG_SPAM;
4994 flags_unset |= IMAP_FLAG_HAM;
4995 }
4996 if ( MSG_IS_SPAM(msginfo->flags) && !(newflags & MSG_SPAM)) {
4997 flags_set |= IMAP_FLAG_HAM;
4998 flags_unset |= IMAP_FLAG_SPAM;
4999 }
5000 if (!MSG_IS_DELETED(msginfo->flags) && (newflags & MSG_DELETED))
5001 flags_set |= IMAP_FLAG_DELETED;
5002 if ( MSG_IS_DELETED(msginfo->flags) && !(newflags & MSG_DELETED))
5003 flags_unset |= IMAP_FLAG_DELETED;
5004
5005 if (!flags_set && !flags_unset) {
5006 /* the changed flags were not translatable to IMAP-speak.
5007 * like MSG_POSTFILTERED, so just apply. */
5008 msginfo->flags.perm_flags = newflags;
5009 return;
5010 }
5011
5012 debug_print("getting session...\n");
5013 session = imap_session_get(folder);
5014 if (!session) {
5015 return;
5016 }
5017
5018 if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
5019 NULL, NULL, NULL, NULL, NULL, FALSE)) != MAILIMAP_NO_ERROR) {
5020 return;
5021 }
5022 numlist.next = NULL;
5023 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
5024
5025 if (IMAP_FOLDER_ITEM(item)->batching) {
5026 /* instead of performing an UID STORE command for each message change,
5027 * as a lot of them can change "together", we just fill in hashtables
5028 * and defer the treatment so that we're able to send only one
5029 * command.
5030 */
5031 debug_print("IMAP batch mode on, deferring flags change\n");
5032 if (flags_set) {
5033 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_set_table,
5034 GINT_TO_POINTER(flags_set));
5035 if (ht_data == NULL) {
5036 ht_data = g_new0(hashtable_data, 1);
5037 ht_data->item = IMAP_FOLDER_ITEM(item);
5038 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_set_table,
5039 GINT_TO_POINTER(flags_set), ht_data);
5040 }
5041 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
5042 }
5043 if (flags_unset) {
5044 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_unset_table,
5045 GINT_TO_POINTER(flags_unset));
5046 if (ht_data == NULL) {
5047 ht_data = g_new0(hashtable_data, 1);
5048 ht_data->item = IMAP_FOLDER_ITEM(item);
5049 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_unset_table,
5050 GINT_TO_POINTER(flags_unset), ht_data);
5051 }
5052 ht_data->msglist = g_slist_prepend(ht_data->msglist,
5053 GINT_TO_POINTER(msginfo->msgnum));
5054 }
5055 } else {
5056 debug_print("IMAP changing flags\n");
5057 if (flags_set) {
5058 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_set, NULL, TRUE);
5059 if (ok != MAILIMAP_NO_ERROR) {
5060 return;
5061 }
5062 }
5063
5064 if (flags_unset) {
5065 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_unset, NULL, FALSE);
5066 if (ok != MAILIMAP_NO_ERROR) {
5067 return;
5068 }
5069 }
5070 }
5071 msginfo->flags.perm_flags = newflags;
5072 return;
5073 }
5074
imap_remove_msg(Folder * folder,FolderItem * item,gint uid)5075 static gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
5076 {
5077 gint ok;
5078 IMAPSession *session;
5079 gchar *dir;
5080 MsgNumberList numlist;
5081
5082 g_return_val_if_fail(folder != NULL, -1);
5083 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
5084 g_return_val_if_fail(item != NULL, -1);
5085
5086 debug_print("getting session...\n");
5087 session = imap_session_get(folder);
5088 if (!session) return -1;
5089
5090 ok = imap_select(session, IMAP_FOLDER(folder), item,
5091 NULL, NULL, NULL, NULL, NULL, FALSE);
5092 if (ok != MAILIMAP_NO_ERROR) {
5093 return ok;
5094 }
5095 numlist.next = NULL;
5096 numlist.data = GINT_TO_POINTER(uid);
5097
5098 ok = imap_set_message_flags
5099 (session, IMAP_FOLDER_ITEM(item), &numlist, IMAP_FLAG_DELETED, NULL, TRUE);
5100 if (ok != MAILIMAP_NO_ERROR) {
5101 log_warning(LOG_PROTOCOL, _("can't set deleted flags: %d\n"), uid);
5102 return ok;
5103 }
5104
5105 ok = imap_cmd_expunge(session);
5106
5107 if (ok != MAILIMAP_NO_ERROR) {
5108 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
5109 return ok;
5110 }
5111
5112 IMAP_FOLDER_ITEM(item)->uid_list = g_slist_remove(
5113 IMAP_FOLDER_ITEM(item)->uid_list, numlist.data);
5114 dir = folder_item_get_path(item);
5115 if (is_dir_exist(dir))
5116 remove_numbered_files(dir, uid, uid);
5117 g_free(dir);
5118 return MAILIMAP_NO_ERROR;
5119 }
5120
compare_msginfo(gconstpointer a,gconstpointer b)5121 static gint compare_msginfo(gconstpointer a, gconstpointer b)
5122 {
5123 return ((MsgInfo *)a)->msgnum - ((MsgInfo *)b)->msgnum;
5124 }
5125
gslist_find_next_num(MsgNumberList ** list,guint num)5126 static guint gslist_find_next_num(MsgNumberList **list, guint num)
5127 {
5128 GSList *elem;
5129
5130 g_return_val_if_fail(list != NULL, -1);
5131
5132 for (elem = *list; elem != NULL; elem = g_slist_next(elem))
5133 if (GPOINTER_TO_INT(elem->data) >= num)
5134 break;
5135 *list = elem;
5136 return elem != NULL ? GPOINTER_TO_INT(elem->data) : (gint)-1;
5137 }
5138
flag_ok(IMAPFolderItem * item,guint flag)5139 static gboolean flag_ok(IMAPFolderItem *item, guint flag)
5140 {
5141 if (item->ok_flags && g_slist_find(item->ok_flags, GUINT_TO_POINTER(flag))) {
5142 debug_print("flag %d is OK\n", flag);
5143 return TRUE;
5144 }
5145 if (item->can_create_flags == ITEM_CAN_CREATE_FLAGS) {
5146 debug_print("creating flags is OK\n");
5147 return TRUE;
5148 }
5149 return FALSE;
5150 }
5151
5152 /*
5153 * NEW and DELETED flags are not syncronized
5154 * - The NEW/RECENT flags in IMAP folders can not really be directly
5155 * modified by Claws Mail
5156 * - The DELETE/DELETED flag in IMAP and Claws Mail do not have the same
5157 * meaning, in IMAP it always removes the messages from the FolderItem
5158 * in Claws Mail it can mean to move the message to Trash
5159 */
5160
5161 typedef struct _get_flags_data {
5162 Folder *folder;
5163 FolderItem *item;
5164 MsgInfoList *msginfo_list;
5165 GHashTable *msgflags;
5166 gboolean full_search;
5167 gboolean done;
5168 } get_flags_data;
5169
imap_get_flags_thread(void * data)5170 static /*gint*/ void *imap_get_flags_thread(void *data)
5171 {
5172 get_flags_data *stuff = (get_flags_data *)data;
5173 Folder *folder = stuff->folder;
5174 FolderItem *fitem = (FolderItem *) stuff->item;
5175 MsgInfoList *msginfo_list = stuff->msginfo_list;
5176 GHashTable *msgflags = stuff->msgflags;
5177 GSList *elem;
5178 carray * lep_uidtab;
5179 IMAPSession *session;
5180 gint ok;
5181 int r = MAILIMAP_NO_ERROR;
5182 GHashTable *flags_hash = NULL;
5183 GHashTable *tags_hash = NULL;
5184 gboolean full_search = stuff->full_search;
5185 GSList *sorted_list = NULL;
5186 GSList *unseen = NULL, *answered = NULL, *flagged = NULL, *deleted = NULL, *forwarded = NULL, *spam = NULL;
5187 GSList *seq_list, *cur;
5188 gboolean reverse_seen = FALSE;
5189 gboolean selected_folder;
5190 gint exists_cnt, unseen_cnt;
5191 gboolean got_alien_tags = FALSE;
5192
5193 session = imap_session_get(folder);
5194
5195 if (session == NULL) {
5196 stuff->done = TRUE;
5197 return GINT_TO_POINTER(-1);
5198 }
5199 selected_folder = (session->mbox != NULL) &&
5200 (!strcmp(session->mbox, fitem->path));
5201
5202 lock_session(session);
5203 if (!selected_folder) {
5204 ok = imap_select(session, IMAP_FOLDER(folder), fitem,
5205 &exists_cnt, NULL, &unseen_cnt, NULL, NULL, TRUE);
5206 if (ok != MAILIMAP_NO_ERROR) {
5207 stuff->done = TRUE;
5208 return GINT_TO_POINTER(-1);
5209 }
5210
5211 if (unseen_cnt > exists_cnt / 2)
5212 reverse_seen = TRUE;
5213 }
5214 else {
5215 if (fitem->unread_msgs > fitem->total_msgs / 2)
5216 reverse_seen = TRUE;
5217 }
5218
5219 sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
5220 if (!full_search) {
5221 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msginfo_list);
5222 } else {
5223 struct mailimap_set * set;
5224 set = mailimap_set_new_interval(1, 0);
5225 seq_list = g_slist_append(NULL, set);
5226 }
5227
5228 if (folder->account && folder->account->low_bandwidth) {
5229 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
5230 struct mailimap_set * imapset;
5231 clist * lep_uidlist;
5232 int r;
5233
5234 imapset = cur->data;
5235 if (reverse_seen) {
5236 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SEEN, NULL,
5237 NULL, full_search ? NULL:imapset, &lep_uidlist);
5238 }
5239 else {
5240 r = imap_threaded_search(folder,
5241 IMAP_SEARCH_TYPE_UNSEEN, NULL,
5242 NULL, full_search ? NULL:imapset, &lep_uidlist);
5243 }
5244 if (r == MAILIMAP_NO_ERROR) {
5245 GSList * uidlist;
5246
5247 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5248 mailimap_search_result_free(lep_uidlist);
5249
5250 unseen = g_slist_concat(unseen, uidlist);
5251 } else {
5252 imap_handle_error(SESSION(session), NULL, r);
5253 goto bail;
5254 }
5255
5256 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FLAGGED, NULL,
5257 NULL, full_search ? NULL:imapset, &lep_uidlist);
5258 if (r == MAILIMAP_NO_ERROR) {
5259 GSList * uidlist;
5260
5261 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5262 mailimap_search_result_free(lep_uidlist);
5263
5264 flagged = g_slist_concat(flagged, uidlist);
5265 } else {
5266 imap_handle_error(SESSION(session), NULL, r);
5267 goto bail;
5268 }
5269
5270 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5271 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_ANSWERED, NULL,
5272 NULL, full_search ? NULL:imapset, &lep_uidlist);
5273 if (r == MAILIMAP_NO_ERROR) {
5274 GSList * uidlist;
5275
5276 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5277 mailimap_search_result_free(lep_uidlist);
5278
5279 answered = g_slist_concat(answered, uidlist);
5280 } else {
5281 imap_handle_error(SESSION(session), NULL, r);
5282 goto bail;
5283 }
5284
5285 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_FORWARDED)) {
5286 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FORWARDED, NULL,
5287 NULL, full_search ? NULL:imapset, &lep_uidlist);
5288 if (r == MAILIMAP_NO_ERROR) {
5289 GSList * uidlist;
5290
5291 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5292 mailimap_search_result_free(lep_uidlist);
5293
5294 forwarded = g_slist_concat(forwarded, uidlist);
5295 } else {
5296 imap_handle_error(SESSION(session), NULL, r);
5297 goto bail;
5298 }
5299 }
5300
5301 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_SPAM)) {
5302 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SPAM, NULL,
5303 NULL, full_search ? NULL:imapset, &lep_uidlist);
5304 if (r == MAILIMAP_NO_ERROR) {
5305 GSList * uidlist;
5306
5307 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5308 mailimap_search_result_free(lep_uidlist);
5309
5310 spam = g_slist_concat(spam, uidlist);
5311 } else {
5312 imap_handle_error(SESSION(session), NULL, r);
5313 goto bail;
5314 }
5315 }
5316
5317 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_DELETED, NULL,
5318 NULL, full_search ? NULL:imapset, &lep_uidlist);
5319 if (r == MAILIMAP_NO_ERROR) {
5320 GSList * uidlist;
5321
5322 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5323 mailimap_search_result_free(lep_uidlist);
5324
5325 deleted = g_slist_concat(deleted, uidlist);
5326 } else {
5327 imap_handle_error(SESSION(session), NULL, r);
5328 goto bail;
5329 }
5330 }
5331 }
5332
5333 } else {
5334 r = imap_threaded_fetch_uid_flags(folder, 1, &lep_uidtab);
5335 if (r == MAILIMAP_NO_ERROR) {
5336 flags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5337 tags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5338 imap_flags_hash_from_lep_uid_flags_tab(lep_uidtab, flags_hash, tags_hash);
5339 imap_fetch_uid_flags_list_free(lep_uidtab);
5340 } else {
5341 imap_handle_error(SESSION(session), NULL, r);
5342 goto bail;
5343 }
5344 }
5345
5346 bail:
5347 if (r == MAILIMAP_NO_ERROR)
5348 unlock_session(session);
5349
5350 for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
5351 MsgInfo *msginfo;
5352 MsgPermFlags flags, oldflags;
5353 gboolean wasnew;
5354
5355 msginfo = (MsgInfo *) elem->data;
5356 flags = msginfo->flags.perm_flags;
5357 wasnew = (flags & MSG_NEW);
5358 oldflags = flags & ~(MSG_NEW|MSG_UNREAD|MSG_REPLIED|MSG_FORWARDED|MSG_MARKED|MSG_DELETED|MSG_SPAM);
5359
5360 if (folder->account && folder->account->low_bandwidth) {
5361 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5362 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_FORWARDED | MSG_MARKED | MSG_SPAM);
5363 } else {
5364 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW | MSG_MARKED));
5365 }
5366 if (reverse_seen)
5367 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5368 if (gslist_find_next_num(&unseen, msginfo->msgnum) == msginfo->msgnum) {
5369 if (!reverse_seen) {
5370 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5371 } else {
5372 flags &= ~(MSG_UNREAD | MSG_NEW);
5373 }
5374 }
5375
5376 if (gslist_find_next_num(&flagged, msginfo->msgnum) == msginfo->msgnum)
5377 flags |= MSG_MARKED;
5378 else
5379 flags &= ~MSG_MARKED;
5380
5381 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5382 if (gslist_find_next_num(&answered, msginfo->msgnum) == msginfo->msgnum)
5383 flags |= MSG_REPLIED;
5384 else
5385 flags &= ~MSG_REPLIED;
5386 if (gslist_find_next_num(&forwarded, msginfo->msgnum) == msginfo->msgnum)
5387 flags |= MSG_FORWARDED;
5388 else
5389 flags &= ~MSG_FORWARDED;
5390 if (gslist_find_next_num(&spam, msginfo->msgnum) == msginfo->msgnum)
5391 flags |= MSG_SPAM;
5392 else
5393 flags &= ~MSG_SPAM;
5394 if (gslist_find_next_num(&deleted, msginfo->msgnum) == msginfo->msgnum)
5395 flags |= MSG_DELETED;
5396 else
5397 flags &= ~MSG_DELETED;
5398 }
5399 } else {
5400 if (flags_hash != NULL) {
5401
5402 flags = GPOINTER_TO_INT(g_hash_table_lookup(flags_hash,
5403 GINT_TO_POINTER(msginfo->msgnum)));
5404 }
5405
5406 if ((flags & MSG_UNREAD) == 0)
5407 flags &= ~MSG_NEW;
5408 else if (wasnew)
5409 flags |= MSG_NEW;
5410 flags |= oldflags;
5411
5412 if (tags_hash != NULL) {
5413 GSList *tags = g_hash_table_lookup(tags_hash, GINT_TO_POINTER(msginfo->msgnum));
5414 GSList *cur;
5415
5416 g_slist_free(msginfo->tags);
5417 msginfo->tags = NULL;
5418
5419 for (cur = tags; cur; cur = cur->next) {
5420 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
5421 gint id = 0;
5422 id = tags_get_id_for_str(real_tag);
5423 if (id == -1) {
5424 id = tags_add_tag(real_tag);
5425 got_alien_tags = TRUE;
5426 }
5427 msginfo->tags = g_slist_append(
5428 msginfo->tags,
5429 GINT_TO_POINTER(id));
5430 g_free(real_tag);
5431 }
5432 slist_free_strings_full(tags);
5433 }
5434 }
5435
5436 g_hash_table_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
5437 }
5438
5439 if (got_alien_tags) {
5440 tags_write_tags();
5441 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
5442 }
5443
5444 if (flags_hash)
5445 g_hash_table_destroy(flags_hash);
5446 if (tags_hash)
5447 g_hash_table_destroy(tags_hash);
5448
5449 imap_lep_set_free(seq_list);
5450 g_slist_free(flagged);
5451 g_slist_free(deleted);
5452 g_slist_free(answered);
5453 g_slist_free(forwarded);
5454 g_slist_free(spam);
5455 g_slist_free(unseen);
5456 g_slist_free(sorted_list);
5457
5458 stuff->done = TRUE;
5459 return GINT_TO_POINTER(0);
5460 }
5461
imap_get_flags(Folder * folder,FolderItem * item,MsgInfoList * msginfo_list,GHashTable * msgflags)5462 static gint imap_get_flags(Folder *folder, FolderItem *item,
5463 MsgInfoList *msginfo_list, GHashTable *msgflags)
5464 {
5465 gint result;
5466 get_flags_data *data = g_new0(get_flags_data, 1);
5467 data->done = FALSE;
5468 data->folder = folder;
5469 data->item = item;
5470 data->msginfo_list = msginfo_list;
5471 data->msgflags = msgflags;
5472 data->full_search = FALSE;
5473
5474 GSList *tmp = NULL, *cur;
5475
5476 if (prefs_common.work_offline &&
5477 !inc_offline_should_override(FALSE,
5478 _("Claws Mail needs network access in order "
5479 "to access the IMAP server."))) {
5480 g_free(data);
5481 return -1;
5482 }
5483
5484 tmp = folder_item_get_msg_list(item);
5485
5486 if (g_slist_length(tmp) <= g_slist_length(msginfo_list))
5487 data->full_search = TRUE;
5488
5489 for (cur = tmp; cur; cur = cur->next)
5490 procmsg_msginfo_free((MsgInfo **)&(cur->data));
5491
5492 g_slist_free(tmp);
5493
5494 result = GPOINTER_TO_INT(imap_get_flags_thread(data));
5495
5496 g_free(data);
5497 return result;
5498
5499 }
5500
process_flags(gpointer key,gpointer value,gpointer user_data)5501 static gboolean process_flags(gpointer key, gpointer value, gpointer user_data)
5502 {
5503 gboolean flags_set = GPOINTER_TO_INT(user_data);
5504 gint flags_value = GPOINTER_TO_INT(key);
5505 hashtable_data *data = (hashtable_data *)value;
5506 IMAPFolderItem *_item = data->item;
5507 FolderItem *item = (FolderItem *)_item;
5508 gint ok = MAILIMAP_ERROR_BAD_STATE;
5509 IMAPSession *session = NULL;
5510
5511 debug_print("getting session...\n");
5512 session = imap_session_get(item->folder);
5513
5514 data->msglist = g_slist_reverse(data->msglist);
5515
5516 debug_print("IMAP %ssetting flags to %d for %d messages\n",
5517 flags_set?"":"un",
5518 flags_value,
5519 g_slist_length(data->msglist));
5520
5521 lock_session(session);
5522 if (session) {
5523 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5524 NULL, NULL, NULL, NULL, NULL, FALSE);
5525 }
5526 if (ok == MAILIMAP_NO_ERROR) {
5527 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5528 data->msglist, flags_value, NULL, flags_set);
5529 } else {
5530 g_warning("can't select mailbox %s", item->path);
5531 }
5532
5533 if (!is_fatal(ok))
5534 unlock_session(session);
5535
5536 g_slist_free(data->msglist);
5537 g_free(data);
5538 return TRUE;
5539 }
5540
process_tags(gpointer key,gpointer value,gpointer user_data)5541 static gboolean process_tags(gpointer key, gpointer value, gpointer user_data)
5542 {
5543 gboolean tags_set = GPOINTER_TO_INT(user_data);
5544 TagsData *data = (TagsData *)value;
5545 IMAPFolderItem *_item = data->item;
5546 FolderItem *item = (FolderItem *)_item;
5547 gchar *str = data->str;
5548 gint ok = MAILIMAP_ERROR_BAD_STATE;
5549 IMAPSession *session = NULL;
5550
5551 debug_print("getting session...\n");
5552 session = imap_session_get(item->folder);
5553
5554 data->msglist = g_slist_reverse(data->msglist);
5555
5556 debug_print("IMAP %ssetting tags %s for %d messages\n",
5557 tags_set?"":"un",
5558 str,
5559 g_slist_length(data->msglist));
5560
5561 lock_session(session);
5562 if (session) {
5563 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5564 NULL, NULL, NULL, NULL, NULL, FALSE);
5565 }
5566 if (ok == MAILIMAP_NO_ERROR) {
5567 GSList list;
5568 list.data = str;
5569 list.next = NULL;
5570 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5571 data->msglist, 0, &list, tags_set);
5572 } else {
5573 g_warning("can't select mailbox %s", item->path);
5574 }
5575
5576 if (!is_fatal(ok))
5577 unlock_session(session);
5578
5579 g_slist_free(data->msglist);
5580 g_free(data->str);
5581 g_free(data);
5582 return TRUE;
5583 }
5584
process_hashtable(IMAPFolderItem * item)5585 static void process_hashtable(IMAPFolderItem *item)
5586 {
5587 if (item->flags_set_table) {
5588 g_hash_table_foreach_remove(item->flags_set_table, process_flags, GINT_TO_POINTER(TRUE));
5589 g_hash_table_destroy(item->flags_set_table);
5590 item->flags_set_table = NULL;
5591 }
5592 if (item->flags_unset_table) {
5593 g_hash_table_foreach_remove(item->flags_unset_table, process_flags, GINT_TO_POINTER(FALSE));
5594 g_hash_table_destroy(item->flags_unset_table);
5595 item->flags_unset_table = NULL;
5596 }
5597 if (item->tags_set_table) {
5598 g_hash_table_foreach_remove(item->tags_set_table, process_tags, GINT_TO_POINTER(TRUE));
5599 g_hash_table_destroy(item->tags_set_table);
5600 item->tags_set_table = NULL;
5601 }
5602 if (item->tags_unset_table) {
5603 g_hash_table_foreach_remove(item->tags_unset_table, process_tags, GINT_TO_POINTER(FALSE));
5604 g_hash_table_destroy(item->tags_unset_table);
5605 item->tags_unset_table = NULL;
5606 }
5607
5608 }
5609
imap_set_batch(Folder * folder,FolderItem * _item,gboolean batch)5610 static void imap_set_batch (Folder *folder, FolderItem *_item, gboolean batch)
5611 {
5612 IMAPFolderItem *item = (IMAPFolderItem *)_item;
5613 IMAPSession *session;
5614
5615 g_return_if_fail(item != NULL);
5616
5617 if (item->batching == batch)
5618 return;
5619
5620 if (batch) {
5621 item->batching = TRUE;
5622 debug_print("IMAP switching to batch mode\n");
5623 if (!item->flags_set_table) {
5624 item->flags_set_table = g_hash_table_new(NULL, g_direct_equal);
5625 }
5626 if (!item->flags_unset_table) {
5627 item->flags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5628 }
5629 if (!item->tags_set_table) {
5630 item->tags_set_table = g_hash_table_new(NULL, g_direct_equal);
5631 }
5632 if (!item->tags_unset_table) {
5633 item->tags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5634 }
5635 session = imap_session_get(folder);
5636 if (session) {
5637 imap_refresh_sensitivity(session);
5638 session->sens_update_block = TRUE;
5639 }
5640 } else {
5641 debug_print("IMAP switching away from batch mode\n");
5642 /* process stuff */
5643 process_hashtable(item);
5644 item->batching = FALSE;
5645 session = imap_session_get(folder);
5646 if (session) {
5647 session->sens_update_block = FALSE;
5648 imap_refresh_sensitivity(session);
5649 }
5650 }
5651 }
5652
5653
5654
5655 /* data types conversion libetpan <-> claws */
5656
5657
5658
5659 #define ETPAN_IMAP_MB_MARKED 1
5660 #define ETPAN_IMAP_MB_UNMARKED 2
5661 #define ETPAN_IMAP_MB_NOSELECT 4
5662 #define ETPAN_IMAP_MB_NOINFERIORS 8
5663
imap_flags_to_flags(struct mailimap_mbx_list_flags * imap_flags)5664 static int imap_flags_to_flags(struct mailimap_mbx_list_flags * imap_flags)
5665 {
5666 int flags;
5667 clistiter * cur;
5668
5669 flags = 0;
5670 if (imap_flags->mbf_type == MAILIMAP_MBX_LIST_FLAGS_SFLAG) {
5671 switch (imap_flags->mbf_sflag) {
5672 case MAILIMAP_MBX_LIST_SFLAG_MARKED:
5673 flags |= ETPAN_IMAP_MB_MARKED;
5674 break;
5675 case MAILIMAP_MBX_LIST_SFLAG_NOSELECT:
5676 flags |= ETPAN_IMAP_MB_NOSELECT;
5677 break;
5678 case MAILIMAP_MBX_LIST_SFLAG_UNMARKED:
5679 flags |= ETPAN_IMAP_MB_UNMARKED;
5680 break;
5681 }
5682 }
5683
5684 if (imap_flags->mbf_oflags) {
5685 for(cur = clist_begin(imap_flags->mbf_oflags) ; cur != NULL ;
5686 cur = clist_next(cur)) {
5687 struct mailimap_mbx_list_oflag * oflag;
5688
5689 oflag = clist_content(cur);
5690
5691 switch (oflag->of_type) {
5692 case MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS:
5693 flags |= ETPAN_IMAP_MB_NOINFERIORS;
5694 break;
5695 }
5696 }
5697 }
5698 return flags;
5699 }
5700
imap_list_from_lep(IMAPFolder * folder,clist * list,const gchar * real_path,gboolean all)5701 static GSList * imap_list_from_lep(IMAPFolder * folder,
5702 clist * list, const gchar * real_path, gboolean all)
5703 {
5704 clistiter * iter;
5705 GSList * item_list = NULL, *llast = NULL;
5706
5707 if (list) {
5708 for(iter = clist_begin(list) ; iter != NULL ;
5709 iter = clist_next(iter)) {
5710 struct mailimap_mailbox_list * mb;
5711 int flags;
5712 char delimiter;
5713 char * name;
5714 char * dup_name;
5715 gchar * base;
5716 gchar * loc_name;
5717 gchar * loc_path;
5718 FolderItem *new_item;
5719
5720 mb = clist_content(iter);
5721
5722 if (mb == NULL)
5723 continue;
5724
5725 flags = 0;
5726 if (mb->mb_flag != NULL)
5727 flags = imap_flags_to_flags(mb->mb_flag);
5728
5729 delimiter = mb->mb_delimiter;
5730 name = mb->mb_name;
5731
5732 dup_name = strdup(name);
5733 if (delimiter != '\0')
5734 subst_char(dup_name, delimiter, '/');
5735
5736 base = g_path_get_basename(dup_name);
5737 if (base[0] == '.') {
5738 g_free(base);
5739 free(dup_name);
5740 continue;
5741 }
5742 if (!all && path_cmp(name, real_path) == 0) {
5743 g_free(base);
5744 free(dup_name);
5745 continue;
5746 }
5747
5748 if (!all && dup_name[strlen(dup_name)-1] == '/') {
5749 g_free(base);
5750 free(dup_name);
5751 continue;
5752 }
5753
5754 loc_name = imap_modified_utf7_to_utf8(base, FALSE);
5755 loc_path = imap_modified_utf7_to_utf8(dup_name, FALSE);
5756
5757 new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
5758 if ((flags & ETPAN_IMAP_MB_NOINFERIORS) != 0)
5759 new_item->no_sub = TRUE;
5760 if (strcasecmp(dup_name, "INBOX") != 0 &&
5761 ((flags & ETPAN_IMAP_MB_NOSELECT) != 0))
5762 new_item->no_select = TRUE;
5763
5764 if (item_list == NULL)
5765 llast = item_list = g_slist_append(item_list, new_item);
5766 else {
5767 llast = g_slist_append(llast, new_item);
5768 llast = llast->next;
5769 }
5770 debug_print("folder '%s' found.\n", loc_path);
5771 g_free(base);
5772 g_free(loc_path);
5773 g_free(loc_name);
5774
5775 free(dup_name);
5776 }
5777 }
5778 return item_list;
5779 }
5780
imap_get_lep_set_from_numlist(IMAPFolder * folder,MsgNumberList * numlist)5781 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist)
5782 {
5783 GSList *sorted_list, *cur;
5784 guint first, last, next;
5785 GSList *ret_list = NULL, *llast = NULL;
5786 struct mailimap_set * current_set;
5787 unsigned int item_count;
5788
5789 if (numlist == NULL)
5790 return NULL;
5791
5792 current_set = mailimap_set_new_empty();
5793
5794 sorted_list = g_slist_copy(numlist);
5795 sorted_list = g_slist_sort(sorted_list, g_int_compare);
5796
5797 first = GPOINTER_TO_INT(sorted_list->data);
5798
5799 item_count = 0;
5800 for (cur = sorted_list; cur != NULL; cur = g_slist_next(cur)) {
5801 if (GPOINTER_TO_INT(cur->data) == 0)
5802 continue;
5803
5804 item_count ++;
5805
5806 last = GPOINTER_TO_INT(cur->data);
5807 if (cur->next)
5808 next = GPOINTER_TO_INT(cur->next->data);
5809 else
5810 next = 0;
5811
5812 if (last + 1 != next || next == 0 || item_count >= folder->max_set_size) {
5813
5814 struct mailimap_set_item * item;
5815 item = mailimap_set_item_new(first, last);
5816 mailimap_set_add(current_set, item);
5817
5818 first = next;
5819
5820 if (item_count >= folder->max_set_size) {
5821 if (ret_list == NULL)
5822 llast = ret_list = g_slist_append(ret_list,
5823 current_set);
5824 else {
5825 llast = g_slist_append(llast, current_set);
5826 llast = llast->next;
5827 }
5828
5829 current_set = mailimap_set_new_empty();
5830 item_count = 0;
5831 }
5832 }
5833 }
5834
5835 if (clist_count(current_set->set_list) > 0) {
5836 ret_list = g_slist_append(ret_list,
5837 current_set);
5838 }
5839
5840 g_slist_free(sorted_list);
5841
5842 return ret_list;
5843 }
5844
imap_get_lep_set_from_msglist(IMAPFolder * folder,MsgInfoList * msglist)5845 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist)
5846 {
5847 MsgNumberList *numlist = NULL;
5848 GSList *seq_list;
5849
5850 numlist = procmsg_get_number_list_for_msgs(msglist);
5851
5852 seq_list = imap_get_lep_set_from_numlist(folder, numlist);
5853 g_slist_free(numlist);
5854
5855 return seq_list;
5856 }
5857
imap_uid_list_from_lep(clist * list,gint * length)5858 static GSList * imap_uid_list_from_lep(clist * list, gint* length)
5859 {
5860 clistiter * iter;
5861 GSList * result;
5862 gint len = 0;
5863
5864 result = NULL;
5865
5866 if (list) {
5867 for(iter = clist_begin(list) ; iter != NULL ;
5868 iter = clist_next(iter)) {
5869 uint32_t * puid;
5870
5871 puid = clist_content(iter);
5872 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5873 len++;
5874 }
5875 result = g_slist_reverse(result);
5876 }
5877 if (length)
5878 *length = len;
5879 return result;
5880 }
5881
imap_uid_list_from_lep_tab(carray * list)5882 static GSList * imap_uid_list_from_lep_tab(carray * list)
5883 {
5884 unsigned int i;
5885 GSList * result;
5886
5887 result = NULL;
5888
5889 for(i = 0 ; i < carray_count(list) ; i ++) {
5890 uint32_t * puid;
5891
5892 puid = carray_get(list, i);
5893 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5894 }
5895 result = g_slist_reverse(result);
5896 return result;
5897 }
5898
imap_flags_hash_from_lep_uid_flags_tab(carray * list,GHashTable * hash,GHashTable * tags_hash)5899 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
5900 GHashTable * hash,
5901 GHashTable * tags_hash)
5902 {
5903 unsigned int i;
5904
5905 for(i = 0 ; i < carray_count(list) ; i += 3) {
5906 uint32_t * puid;
5907 int * pflags;
5908 GSList *tags;
5909
5910 puid = carray_get(list, i);
5911 pflags = carray_get(list, i + 1);
5912 tags = carray_get(list, i + 2);
5913
5914 g_hash_table_insert(hash, GINT_TO_POINTER(*puid), GINT_TO_POINTER(* pflags));
5915 g_hash_table_insert(tags_hash, GINT_TO_POINTER(*puid), tags);
5916 }
5917 }
5918
imap_envelope_from_lep(struct imap_fetch_env_info * info,FolderItem * item)5919 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
5920 FolderItem *item)
5921 {
5922 MsgInfo *msginfo = NULL;
5923 guint32 uid = 0;
5924 goffset size = 0;
5925 MsgFlags flags = {0, 0};
5926
5927 if (info->headers == NULL)
5928 return NULL;
5929
5930 MSG_SET_TMP_FLAGS(flags, MSG_IMAP);
5931 if (folder_has_parent_of_type(item, F_QUEUE)) {
5932 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
5933 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
5934 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
5935 }
5936 flags.perm_flags = info->flags;
5937
5938 uid = info->uid;
5939 size = (goffset) info->size;
5940 msginfo = procheader_parse_str(info->headers, flags, FALSE, FALSE);
5941
5942 if (msginfo) {
5943 msginfo->msgnum = uid;
5944 msginfo->size = size;
5945 }
5946
5947 return msginfo;
5948 }
5949
imap_lep_set_free(GSList * seq_list)5950 static void imap_lep_set_free(GSList *seq_list)
5951 {
5952 GSList * cur;
5953
5954 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
5955 struct mailimap_set * imapset;
5956
5957 imapset = cur->data;
5958 mailimap_set_free(imapset);
5959 }
5960 g_slist_free(seq_list);
5961 }
5962
imap_flag_to_lep(IMAPFolderItem * item,IMAPFlags flags,GSList * tags)5963 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags)
5964 {
5965 struct mailimap_flag_list * flag_list;
5966 GSList *cur = tags;
5967
5968 flag_list = mailimap_flag_list_new_empty();
5969
5970 if (IMAP_IS_SEEN(flags))
5971 mailimap_flag_list_add(flag_list,
5972 mailimap_flag_new_seen());
5973 if (IMAP_IS_ANSWERED(flags))
5974 mailimap_flag_list_add(flag_list,
5975 mailimap_flag_new_answered());
5976 if (IMAP_IS_FLAGGED(flags))
5977 mailimap_flag_list_add(flag_list,
5978 mailimap_flag_new_flagged());
5979 if (IMAP_IS_DELETED(flags))
5980 mailimap_flag_list_add(flag_list,
5981 mailimap_flag_new_deleted());
5982 if (IMAP_IS_DRAFT(flags))
5983 mailimap_flag_list_add(flag_list,
5984 mailimap_flag_new_draft());
5985 if (IMAP_IS_FORWARDED(flags) && flag_ok(item, IMAP_FLAG_FORWARDED))
5986 mailimap_flag_list_add(flag_list,
5987 mailimap_flag_new_flag_keyword(strdup(RTAG_FORWARDED)));
5988 if (IMAP_IS_SPAM(flags) && flag_ok(item, IMAP_FLAG_SPAM))
5989 mailimap_flag_list_add(flag_list,
5990 mailimap_flag_new_flag_keyword(strdup(RTAG_JUNK)));
5991 else if (IMAP_IS_HAM(flags) && flag_ok(item, IMAP_FLAG_HAM))
5992 mailimap_flag_list_add(flag_list,
5993 mailimap_flag_new_flag_keyword(strdup(RTAG_NON_JUNK)));
5994
5995 for (; cur; cur = cur->next) {
5996 gchar *enc_str =
5997 imap_utf8_to_modified_utf7(cur->data, TRUE);
5998 g_strstrip(enc_str);
5999
6000 mailimap_flag_list_add(flag_list,
6001 mailimap_flag_new_flag_keyword(enc_str));
6002 }
6003
6004 return flag_list;
6005 }
6006
imap_folder_get_refcnt(Folder * folder)6007 guint imap_folder_get_refcnt(Folder *folder)
6008 {
6009 return ((IMAPFolder *)folder)->refcnt;
6010 }
6011
imap_folder_ref(Folder * folder)6012 void imap_folder_ref(Folder *folder)
6013 {
6014 ((IMAPFolder *)folder)->refcnt++;
6015 }
6016
imap_disconnect_all(gboolean have_connectivity)6017 void imap_disconnect_all(gboolean have_connectivity)
6018 {
6019 GList *list;
6020 gboolean short_timeout;
6021 #ifdef HAVE_NETWORKMANAGER_SUPPORT
6022 GError *error = NULL;
6023
6024 short_timeout = !networkmanager_is_online(&error);
6025 if(error) {
6026 short_timeout = TRUE;
6027 g_error_free(error);
6028 }
6029 #else
6030 short_timeout = TRUE;
6031 #endif
6032
6033 if(short_timeout)
6034 imap_main_set_timeout(1);
6035
6036 for (list = account_get_list(); list != NULL; list = list->next) {
6037 PrefsAccount *account = list->data;
6038 if (account->protocol == A_IMAP4) {
6039 RemoteFolder *folder = (RemoteFolder *)account->folder;
6040 if (folder && folder->session) {
6041 if (imap_is_busy(FOLDER(folder)))
6042 imap_threaded_cancel(FOLDER(folder));
6043
6044 IMAPSession *session = (IMAPSession *)folder->session;
6045 if (have_connectivity)
6046 imap_threaded_disconnect(FOLDER(folder));
6047 SESSION(session)->state = SESSION_DISCONNECTED;
6048 SESSION(session)->sock = NULL;
6049 imap_safe_destroy(session);
6050 folder->session = NULL;
6051 }
6052 }
6053 }
6054
6055 if(short_timeout)
6056 imap_main_set_timeout(prefs_common.io_timeout_secs);
6057 }
6058
imap_folder_unref(Folder * folder)6059 void imap_folder_unref(Folder *folder)
6060 {
6061 if (((IMAPFolder *)folder)->refcnt > 0)
6062 ((IMAPFolder *)folder)->refcnt--;
6063 }
6064
imap_cancel_all(void)6065 void imap_cancel_all(void)
6066 {
6067 GList *folderlist;
6068 GList *cur;
6069
6070 folderlist = folder_get_list();
6071 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6072 Folder *folder = (Folder *) cur->data;
6073
6074 if (folder->klass == &imap_class) {
6075 if (imap_is_busy(folder)) {
6076 IMAPSession *imap_session;
6077 RemoteFolder *rfolder;
6078
6079 g_printerr("cancelled\n");
6080 imap_threaded_cancel(folder);
6081 rfolder = (RemoteFolder *) folder;
6082 imap_session = (IMAPSession *) rfolder->session;
6083 if (imap_session)
6084 imap_session->cancelled = 1;
6085 }
6086 }
6087 }
6088 }
6089
imap_cancel_all_enabled(void)6090 gboolean imap_cancel_all_enabled(void)
6091 {
6092 GList *folderlist;
6093 GList *cur;
6094
6095 folderlist = folder_get_list();
6096 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6097 Folder *folder = (Folder *) cur->data;
6098
6099 if (folder->klass == &imap_class) {
6100 if (imap_is_busy(folder)) {
6101 return TRUE;
6102 }
6103 }
6104 }
6105
6106 return FALSE;
6107 }
6108
imap_is_busy(Folder * folder)6109 static gboolean imap_is_busy(Folder *folder)
6110 {
6111 IMAPSession *imap_session;
6112 RemoteFolder *rfolder;
6113
6114 rfolder = (RemoteFolder *) folder;
6115 imap_session = (IMAPSession *) rfolder->session;
6116 if (imap_session == NULL)
6117 return FALSE;
6118
6119 return imap_session->busy;
6120 }
6121
6122 #else /* HAVE_LIBETPAN */
6123
6124 static FolderClass imap_class;
6125
6126 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
6127 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
6128
imap_folder_new(const gchar * name,const gchar * path)6129 static Folder *imap_folder_new (const gchar *name,
6130 const gchar *path)
6131 {
6132 static gboolean missing_imap_warning = TRUE;
6133 if (missing_imap_warning) {
6134 missing_imap_warning = FALSE;
6135 alertpanel_error(
6136 _("You have one or more IMAP accounts "
6137 "defined. However this version of "
6138 "Claws Mail has been built without "
6139 "IMAP support; your IMAP accounts are "
6140 "disabled.\n\n"
6141 "You probably need to "
6142 "install libetpan and recompile "
6143 "Claws Mail."));
6144 }
6145 return NULL;
6146 }
imap_create_tree(Folder * folder)6147 static gint imap_create_tree (Folder *folder)
6148 {
6149 return -1;
6150 }
imap_create_folder(Folder * folder,FolderItem * parent,const gchar * name)6151 static FolderItem *imap_create_folder (Folder *folder,
6152 FolderItem *parent,
6153 const gchar *name)
6154 {
6155 return NULL;
6156 }
imap_rename_folder(Folder * folder,FolderItem * item,const gchar * name)6157 static gint imap_rename_folder (Folder *folder,
6158 FolderItem *item,
6159 const gchar *name)
6160 {
6161 return -1;
6162 }
6163
imap_get_path_separator_for_item(FolderItem * item)6164 gchar imap_get_path_separator_for_item(FolderItem *item)
6165 {
6166 return '/';
6167 }
6168
imap_get_class(void)6169 FolderClass *imap_get_class(void)
6170 {
6171 if (imap_class.idstr == NULL) {
6172 imap_class.type = F_IMAP;
6173 imap_class.idstr = "imap";
6174 imap_class.uistr = "IMAP";
6175
6176 imap_class.new_folder = imap_folder_new;
6177 imap_class.create_tree = imap_create_tree;
6178 imap_class.create_folder = imap_create_folder;
6179 imap_class.rename_folder = imap_rename_folder;
6180
6181 imap_class.set_xml = folder_set_xml;
6182 imap_class.get_xml = folder_get_xml;
6183 imap_class.item_set_xml = imap_item_set_xml;
6184 imap_class.item_get_xml = imap_item_get_xml;
6185 /* nothing implemented */
6186 }
6187
6188 return &imap_class;
6189 }
6190
imap_disconnect_all(gboolean have_connectivity)6191 void imap_disconnect_all(gboolean have_connectivity)
6192 {
6193 }
6194
imap_subscribe(Folder * folder,FolderItem * item,gchar * rpath,gboolean sub)6195 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
6196 {
6197 return -1;
6198 }
6199
imap_scan_subtree(Folder * folder,FolderItem * item,gboolean unsubs_only,gboolean recursive)6200 GList * imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
6201 {
6202 return NULL;
6203 }
6204
imap_cache_msg(FolderItem * item,gint msgnum)6205 void imap_cache_msg(FolderItem *item, gint msgnum)
6206 {
6207 }
6208
imap_cancel_all(void)6209 void imap_cancel_all(void)
6210 {
6211 }
6212
imap_cancel_all_enabled(void)6213 gboolean imap_cancel_all_enabled(void)
6214 {
6215 return FALSE;
6216 }
6217
6218 #endif
6219
6220 #ifdef HAVE_LIBETPAN
imap_synchronise(FolderItem * item,gint days)6221 static void imap_synchronise(FolderItem *item, gint days)
6222 {
6223 if (IMAP_FOLDER_ITEM(item)->last_sync == IMAP_FOLDER_ITEM(item)->last_change) {
6224 debug_print("%s already synced\n", item->path?item->path:item->name);
6225 return;
6226 }
6227 debug_print("syncing %s\n", item->path?item->path:item->name);
6228 imap_gtk_synchronise(item, days);
6229 IMAP_FOLDER_ITEM(item)->last_sync = IMAP_FOLDER_ITEM(item)->last_change;
6230 }
6231 #endif
6232
imap_item_set_xml(Folder * folder,FolderItem * item,XMLTag * tag)6233 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
6234 {
6235 #ifdef HAVE_LIBETPAN
6236 GList *cur;
6237 #endif
6238 folder_item_set_xml(folder, item, tag);
6239
6240 #ifdef HAVE_LIBETPAN
6241 for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
6242 XMLAttr *attr = (XMLAttr *) cur->data;
6243
6244 if (!attr || !attr->name || !attr->value) continue;
6245 if (!strcmp(attr->name, "uidnext"))
6246 IMAP_FOLDER_ITEM(item)->uid_next = atoi(attr->value);
6247 if (!strcmp(attr->name, "last_sync"))
6248 IMAP_FOLDER_ITEM(item)->last_sync = atoi(attr->value);
6249 if (!strcmp(attr->name, "last_change"))
6250 IMAP_FOLDER_ITEM(item)->last_change = atoi(attr->value);
6251 }
6252 if (IMAP_FOLDER_ITEM(item)->last_change == 0)
6253 IMAP_FOLDER_ITEM(item)->last_change = time(NULL);
6254 #endif
6255 }
6256
imap_item_get_xml(Folder * folder,FolderItem * item)6257 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item)
6258 {
6259 XMLTag *tag;
6260
6261 tag = folder_item_get_xml(folder, item);
6262
6263 #ifdef HAVE_LIBETPAN
6264 xml_tag_add_attr(tag, xml_attr_new_int("uidnext",
6265 IMAP_FOLDER_ITEM(item)->uid_next));
6266 xml_tag_add_attr(tag, xml_attr_new_int("last_sync",
6267 IMAP_FOLDER_ITEM(item)->last_sync));
6268 xml_tag_add_attr(tag, xml_attr_new_int("last_change",
6269 IMAP_FOLDER_ITEM(item)->last_change));
6270
6271 #endif
6272 return tag;
6273 }
6274
6275 /* ===================================================================
6276 * UTF-7 conversion routines as in RFC 2192
6277 * ===================================================================
6278 * These two functions from:
6279 * libimap library.
6280 * Copyright (C) 2003-2004 Pawel Salek. */
6281
6282 /* UTF7 modified base64 alphabet */
6283 static char base64chars[] =
6284 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+,";
6285 #define UNDEFINED 64
6286
6287 /* UTF16 definitions */
6288 #define UTF16MASK 0x03FFUL
6289 #define UTF16SHIFT 10
6290 #define UTF16BASE 0x10000UL
6291 #define UTF16HIGHSTART 0xD800UL
6292 #define UTF16HIGHEND 0xDBFFUL
6293 #define UTF16LOSTART 0xDC00UL
6294 #define UTF16LOEND 0xDFFFUL
6295
6296
6297 /* Convert an IMAP mailbox to a UTF-8 string.
6298 * dst needs to have roughly 4 times the storage space of src
6299 * Hex encoding can triple the size of the input
6300 * UTF-7 can be slightly denser than UTF-8
6301 * (worst case: 8 octets UTF-7 becomes 9 octets UTF-8)
6302 */
imap_modified_utf7_to_utf8(const char * mbox,gboolean change_spaces)6303 char* imap_modified_utf7_to_utf8(const char *mbox, gboolean change_spaces)
6304 {
6305 unsigned c, i, bitcount;
6306 unsigned long ucs4, utf16, bitbuf;
6307 unsigned char base64[256];
6308 const char *src;
6309 char *dst, *res = g_malloc(2*strlen(mbox)+1);
6310
6311 dst = res;
6312 src = mbox;
6313 if(!dst) return NULL;
6314 /* initialize modified base64 decoding table */
6315 memset(base64, UNDEFINED, sizeof (base64));
6316 for (i = 0; i < sizeof (base64chars); ++i) {
6317 base64[(unsigned)base64chars[i]] = i;
6318 }
6319
6320 /* loop until end of string */
6321 while (*src != '\0') {
6322 c = *src++;
6323 /* deal with literal characters and &- */
6324 if (c != '&' || *src == '-') {
6325 /* encode literally */
6326 if (change_spaces && c == '_')
6327 *dst++ = ' ';
6328 else
6329 *dst++ = c;
6330 /* skip over the '-' if this is an &- sequence */
6331 if (c == '&') ++src;
6332 } else {
6333 /* convert modified UTF-7 -> UTF-16 -> UCS-4 -> UTF-8 -> HEX */
6334 bitbuf = 0;
6335 bitcount = 0;
6336 ucs4 = 0;
6337 while ((c = base64[(unsigned char) *src]) != UNDEFINED) {
6338 ++src;
6339 bitbuf = (bitbuf << 6) | c;
6340 bitcount += 6;
6341 /* enough bits for a UTF-16 character? */
6342 if (bitcount >= 16) {
6343 bitcount -= 16;
6344 utf16 = (bitcount ? bitbuf >> bitcount
6345 : bitbuf) & 0xffff;
6346 /* convert UTF16 to UCS4 */
6347 if
6348 (utf16 >= UTF16HIGHSTART && utf16 <= UTF16HIGHEND) {
6349 ucs4 = (utf16 - UTF16HIGHSTART) << UTF16SHIFT;
6350 continue;
6351 } else if
6352 (utf16 >= UTF16LOSTART && utf16 <= UTF16LOEND) {
6353 ucs4 += utf16 - UTF16LOSTART + UTF16BASE;
6354 } else {
6355 ucs4 = utf16;
6356 }
6357
6358 /* convert UTF-16 range of UCS4 to UTF-8 */
6359 if (ucs4 <= 0x7fUL) {
6360 dst[0] = ucs4;
6361 dst += 1;
6362 } else if (ucs4 <= 0x7ffUL) {
6363 dst[0] = 0xc0 | (ucs4 >> 6);
6364 dst[1] = 0x80 | (ucs4 & 0x3f);
6365 dst += 2;
6366 } else if (ucs4 <= 0xffffUL) {
6367 dst[0] = 0xe0 | (ucs4 >> 12);
6368 dst[1] = 0x80 | ((ucs4 >> 6) & 0x3f);
6369 dst[2] = 0x80 | (ucs4 & 0x3f);
6370 dst += 3;
6371 } else {
6372 dst[0] = 0xf0 | (ucs4 >> 18);
6373 dst[1] = 0x80 | ((ucs4 >> 12) & 0x3f);
6374 dst[2] = 0x80 | ((ucs4 >> 6) & 0x3f);
6375 dst[3] = 0x80 | (ucs4 & 0x3f);
6376 dst += 4;
6377 }
6378 }
6379 }
6380 /* skip over trailing '-' in modified UTF-7 encoding */
6381 if (*src == '-') ++src;
6382 }
6383 }
6384 /* terminate destination string */
6385 *dst = '\0';
6386 return res;
6387 }
6388
6389 /* Convert hex coded UTF-8 string to modified UTF-7 IMAP mailbox
6390 * dst should be about twice the length of src to deal with non-hex
6391 * coded URLs
6392 */
imap_utf8_to_modified_utf7(const char * src,gboolean change_spaces)6393 char* imap_utf8_to_modified_utf7(const char *src, gboolean change_spaces)
6394 {
6395 unsigned int utf8pos, utf8total, c, utf7mode, bitstogo, utf16flag;
6396 unsigned long ucs4 = 0, bitbuf = 0;
6397
6398 /* initialize hex lookup table */
6399 char *dst, *res;
6400
6401 if (!src) return NULL;
6402
6403 res = malloc(2*strlen(src)+1);
6404 dst = res;
6405 if(!dst) return NULL;
6406
6407 utf7mode = 0;
6408 utf8total = 0;
6409 bitstogo = 0;
6410 utf8pos = 0;
6411 while ((c = (unsigned char)*src) != '\0') {
6412 ++src;
6413 /* normal character? */
6414 if (c >= ' ' && c <= '~' && (c != '_' || !change_spaces)) {
6415 /* switch out of UTF-7 mode */
6416 if (utf7mode) {
6417 if (bitstogo) {
6418 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6419 }
6420 *dst++ = '-';
6421 utf7mode = 0;
6422 utf8pos = 0;
6423 bitstogo = 0;
6424 utf8total= 0;
6425 }
6426 if (change_spaces && c == ' ')
6427 *dst++ = '_';
6428 else
6429 *dst++ = c;
6430 /* encode '&' as '&-' */
6431 if (c == '&') {
6432 *dst++ = '-';
6433 }
6434 continue;
6435 }
6436 /* switch to UTF-7 mode */
6437 if (!utf7mode) {
6438 *dst++ = '&';
6439 utf7mode = 1;
6440 }
6441 /* Encode US-ASCII characters as themselves */
6442 if (c < 0x80) {
6443 ucs4 = c;
6444 } else if (utf8total) {
6445 /* save UTF8 bits into UCS4 */
6446 ucs4 = (ucs4 << 6) | (c & 0x3FUL);
6447 if (++utf8pos < utf8total) {
6448 continue;
6449 }
6450 } else {
6451 utf8pos = 1;
6452 if (c < 0xE0) {
6453 utf8total = 2;
6454 ucs4 = c & 0x1F;
6455 } else if (c < 0xF0) {
6456 utf8total = 3;
6457 ucs4 = c & 0x0F;
6458 } else {
6459 /* NOTE: can't convert UTF8 sequences longer than 4 */
6460 utf8total = 4;
6461 ucs4 = c & 0x03;
6462 }
6463 continue;
6464 }
6465 /* loop to split ucs4 into two utf16 chars if necessary */
6466 utf8total = 0;
6467 do {
6468 if (ucs4 >= UTF16BASE) {
6469 ucs4 -= UTF16BASE;
6470 bitbuf = (bitbuf << 16) | ((ucs4 >> UTF16SHIFT)
6471 + UTF16HIGHSTART);
6472 ucs4 = (ucs4 & UTF16MASK) + UTF16LOSTART;
6473 utf16flag = 1;
6474 } else {
6475 bitbuf = (bitbuf << 16) | ucs4;
6476 utf16flag = 0;
6477 }
6478 bitstogo += 16;
6479 /* spew out base64 */
6480 while (bitstogo >= 6) {
6481 bitstogo -= 6;
6482 *dst++ = base64chars[(bitstogo ? (bitbuf >> bitstogo)
6483 : bitbuf)
6484 & 0x3F];
6485 }
6486 } while (utf16flag);
6487 }
6488 /* if in UTF-7 mode, finish in ASCII */
6489 if (utf7mode) {
6490 if (bitstogo) {
6491 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6492 }
6493 *dst++ = '-';
6494 }
6495 /* tie off string */
6496 *dst = '\0';
6497 return res;
6498 }
6499