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Add missing library to output of --version-full
[claws.git] / src / imap.c
blobeb810a3aaab78a04b05f9604e5d4b701f67c8a7e
1 /*
2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2016 Hiroyuki Yamamoto and the Claws Mail team
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
75 typedef struct _IMAPFolder IMAPFolder;
76 typedef struct _IMAPSession IMAPSession;
77 typedef struct _IMAPNameSpace IMAPNameSpace;
78 typedef struct _IMAPFolderItem IMAPFolderItem;
79
80 #define IMAP_FOLDER(obj) ((IMAPFolder *)obj)
81 #define IMAP_FOLDER_ITEM(obj) ((IMAPFolderItem *)obj)
82 #define IMAP_SESSION(obj) ((IMAPSession *)obj)
83
84 struct _IMAPFolder
85 {
86 RemoteFolder rfolder;
87
88 /* list of IMAPNameSpace */
89 GList *ns_personal;
90 GList *ns_others;
91 GList *ns_shared;
92 gchar last_seen_separator;
93 guint refcnt;
94 guint max_set_size;
95 gchar *search_charset;
96 gboolean search_charset_supported;
97 };
98
99 struct _IMAPSession
100 {
101 Session session;
102
103 gboolean authenticated;
104
105 GSList *capability;
106 gboolean uidplus;
107
108 gchar *mbox;
109 guint cmd_count;
110
111 /* CLAWS */
112 gboolean folder_content_changed;
113 guint exists;
114 guint recent;
115 guint expunge;
116 guint unseen;
117 guint uid_validity;
118 guint uid_next;
119
120 Folder * folder;
121 gboolean busy;
122 gboolean cancelled;
123 gboolean sens_update_block;
124 gboolean do_destroy;
125 };
126
127 struct _IMAPNameSpace
128 {
129 gchar *name;
130 gchar separator;
131 };
132
133 #define IMAPBUFSIZE 8192
134
135 #define IMAP_IS_SEEN(flags) ((flags & IMAP_FLAG_SEEN) != 0)
136 #define IMAP_IS_ANSWERED(flags) ((flags & IMAP_FLAG_ANSWERED) != 0)
137 #define IMAP_IS_FLAGGED(flags) ((flags & IMAP_FLAG_FLAGGED) != 0)
138 #define IMAP_IS_DELETED(flags) ((flags & IMAP_FLAG_DELETED) != 0)
139 #define IMAP_IS_DRAFT(flags) ((flags & IMAP_FLAG_DRAFT) != 0)
140 #define IMAP_IS_FORWARDED(flags) ((flags & IMAP_FLAG_FORWARDED) != 0)
141 #define IMAP_IS_SPAM(flags) ((flags & IMAP_FLAG_SPAM) != 0)
142 #define IMAP_IS_HAM(flags) ((flags & IMAP_FLAG_HAM) != 0)
143
144
145 #define IMAP4_PORT 143
146 #ifdef USE_GNUTLS
147 #define IMAPS_PORT 993
148 #endif
149
150 #define IMAP_CMD_LIMIT 1000
151
152 enum {
153 ITEM_CAN_CREATE_FLAGS_UNKNOWN = 0,
154 ITEM_CAN_CREATE_FLAGS,
155 ITEM_CANNOT_CREATE_FLAGS
156 };
157
158 struct _IMAPFolderItem
159 {
160 FolderItem item;
161
162 guint lastuid;
163 guint uid_next;
164 GSList *uid_list;
165 gboolean batching;
166
167 GHashTable *flags_set_table;
168 GHashTable *flags_unset_table;
169 guint32 last_change;
170 guint32 last_sync;
171 gboolean should_update;
172 gboolean should_trash_cache;
173 gint can_create_flags;
174
175 GHashTable *tags_set_table;
176 GHashTable *tags_unset_table;
177 GSList *ok_flags;
178
179 };
180
181 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
182 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
183
184 static void imap_folder_init (Folder *folder,
185 const gchar *name,
186 const gchar *path);
187
188 static Folder *imap_folder_new (const gchar *name,
189 const gchar *path);
190 static void imap_folder_destroy (Folder *folder);
191
192 static IMAPSession *imap_session_new (Folder *folder,
193 const PrefsAccount *account);
194 static gint imap_session_authenticate(IMAPSession *session,
195 PrefsAccount *account);
196 static void imap_session_destroy (Session *session);
197
198 static gchar *imap_fetch_msg (Folder *folder,
199 FolderItem *item,
200 gint uid);
201 static gchar *imap_fetch_msg_full (Folder *folder,
202 FolderItem *item,
203 gint uid,
204 gboolean headers,
205 gboolean body);
206 static void imap_remove_cached_msg (Folder *folder,
207 FolderItem *item,
208 MsgInfo *msginfo);
209 static gint imap_add_msg (Folder *folder,
210 FolderItem *dest,
211 const gchar *file,
212 MsgFlags *flags);
213 static gint imap_add_msgs (Folder *folder,
214 FolderItem *dest,
215 GSList *file_list,
216 GHashTable *relation);
217
218 static gint imap_copy_msg (Folder *folder,
219 FolderItem *dest,
220 MsgInfo *msginfo);
221 static gint imap_copy_msgs (Folder *folder,
222 FolderItem *dest,
223 MsgInfoList *msglist,
224 GHashTable *relation);
225
226 static gint search_msgs (Folder *folder,
227 FolderItem *container,
228 MsgNumberList **msgs,
229 gboolean *on_server,
230 MatcherList *predicate,
231 SearchProgressNotify progress_cb,
232 gpointer progress_data);
233
234 static gint imap_remove_msg (Folder *folder,
235 FolderItem *item,
236 gint uid);
237 static gint imap_remove_msgs (Folder *folder,
238 FolderItem *dest,
239 MsgInfoList *msglist,
240 GHashTable *relation);
241 static gint imap_expunge (Folder *folder,
242 FolderItem *dest);
243 static gint imap_remove_all_msg (Folder *folder,
244 FolderItem *item);
245
246 static gboolean imap_is_msg_changed (Folder *folder,
247 FolderItem *item,
248 MsgInfo *msginfo);
249
250 static gint imap_close (Folder *folder,
251 FolderItem *item);
252
253 static gint imap_scan_tree (Folder *folder);
254
255 static gint imap_create_tree (Folder *folder);
256
257 static FolderItem *imap_create_folder (Folder *folder,
258 FolderItem *parent,
259 const gchar *name);
260 static gint imap_rename_folder (Folder *folder,
261 FolderItem *item,
262 const gchar *name);
263 static gint imap_remove_folder (Folder *folder,
264 FolderItem *item);
265
266 static FolderItem *imap_folder_item_new (Folder *folder);
267 static void imap_folder_item_destroy (Folder *folder,
268 FolderItem *item);
269
270 static IMAPSession *imap_session_get (Folder *folder);
271
272 static gint imap_auth (IMAPSession *session,
273 const gchar *user,
274 const gchar *pass,
275 IMAPAuthType type);
276
277 static gint imap_scan_tree_recursive (IMAPSession *session,
278 FolderItem *item,
279 gboolean subs_only);
280
281 static void imap_create_missing_folders (Folder *folder);
282 static FolderItem *imap_create_special_folder
283 (Folder *folder,
284 SpecialFolderItemType stype,
285 const gchar *name);
286
287 static gint imap_do_copy_msgs (Folder *folder,
288 FolderItem *dest,
289 MsgInfoList *msglist,
290 GHashTable *relation,
291 gboolean same_dest_ok);
292
293 static gint imap_do_remove_msgs (Folder *folder,
294 FolderItem *dest,
295 MsgInfoList *msglist,
296 GHashTable *relation);
297
298 static void imap_delete_all_cached_messages (FolderItem *item);
299 static void imap_set_batch (Folder *folder,
300 FolderItem *item,
301 gboolean batch);
302 static gint imap_set_message_flags (IMAPSession *session,
303 IMAPFolderItem *item,
304 MsgNumberList *numlist,
305 IMAPFlags flags,
306 GSList *tags,
307 gboolean is_set);
308 static gint imap_select (IMAPSession *session,
309 IMAPFolder *folder,
310 FolderItem *item,
311 gint *exists,
312 gint *recent,
313 gint *unseen,
314 guint32 *uid_validity,
315 gint *can_create_flags,
316 gboolean block);
317 static gint imap_status (IMAPSession *session,
318 IMAPFolder *folder,
319 const gchar *path,
320 IMAPFolderItem *item,
321 gint *messages,
322 guint32 *uid_next,
323 guint32 *uid_validity,
324 gint *unseen,
325 gboolean block);
326 static void imap_commit_tags (FolderItem *item,
327 MsgInfo *msginfo,
328 GSList *set_tags,
329 GSList *unset_tags);
330
331 static gchar imap_get_path_separator (IMAPSession *session,
332 IMAPFolder *folder,
333 const gchar *path,
334 gint *ok);
335 static gchar *imap_get_real_path (IMAPSession *session,
336 IMAPFolder *folder,
337 const gchar *path,
338 gint *ok);
339 #ifdef HAVE_LIBETPAN
340 static void imap_synchronise (FolderItem *item, gint days);
341 #endif
342 static gboolean imap_is_busy (Folder *folder);
343
344 static void imap_free_capabilities (IMAPSession *session);
345
346 /* low-level IMAP4rev1 commands */
347 static gint imap_cmd_login (IMAPSession *session,
348 const gchar *user,
349 const gchar *pass,
350 const gchar *type);
351 static gint imap_cmd_noop (IMAPSession *session);
352 #ifdef USE_GNUTLS
353 static gint imap_cmd_starttls (IMAPSession *session);
354 #endif
355 static gint imap_cmd_select (IMAPSession *session,
356 const gchar *folder,
357 gint *exists,
358 gint *recent,
359 gint *unseen,
360 guint32 *uid_validity,
361 gint *can_create_flags,
362 GSList **ok_flags,
363 gboolean block);
364 static gint imap_cmd_close (IMAPSession *session);
365 static gint imap_cmd_examine (IMAPSession *session,
366 const gchar *folder,
367 gint *exists,
368 gint *recent,
369 gint *unseen,
370 guint32 *uid_validity,
371 gboolean block);
372 static gint imap_cmd_create (IMAPSession *sock,
373 const gchar *folder);
374 static gint imap_cmd_rename (IMAPSession *sock,
375 const gchar *oldfolder,
376 const gchar *newfolder);
377 static gint imap_cmd_delete (IMAPSession *session,
378 const gchar *folder);
379 static gint imap_cmd_fetch (IMAPSession *sock,
380 guint32 uid,
381 const gchar *filename,
382 gboolean headers,
383 gboolean body);
384 static gint imap_cmd_append (IMAPSession *session,
385 IMAPFolderItem *item,
386 const gchar *destfolder,
387 const gchar *file,
388 IMAPFlags flags,
389 guint32 *new_uid);
390 static gint imap_cmd_copy (IMAPSession *session,
391 struct mailimap_set * set,
392 const gchar *destfolder,
393 struct mailimap_set ** source,
394 struct mailimap_set ** dest);
395 static gint imap_cmd_store (IMAPSession *session,
396 IMAPFolderItem *item,
397 struct mailimap_set * set,
398 IMAPFlags flags,
399 GSList *tags,
400 int do_add);
401 static gint imap_cmd_expunge (IMAPSession *session);
402
403 static void imap_path_separator_subst (gchar *str,
404 gchar separator);
405
406 static gboolean imap_rename_folder_func (GNode *node,
407 gpointer data);
408 static gint imap_get_num_list (Folder *folder,
409 FolderItem *item,
410 GSList **list,
411 gboolean *old_uids_valid);
412 static GSList *imap_get_msginfos (Folder *folder,
413 FolderItem *item,
414 GSList *msgnum_list);
415 static MsgInfo *imap_get_msginfo (Folder *folder,
416 FolderItem *item,
417 gint num);
418 static gboolean imap_scan_required (Folder *folder,
419 FolderItem *item);
420 static void imap_change_flags (Folder *folder,
421 FolderItem *item,
422 MsgInfo *msginfo,
423 MsgPermFlags newflags);
424 static gint imap_get_flags (Folder *folder,
425 FolderItem *item,
426 MsgInfoList *msglist,
427 GHashTable *msgflags);
428 static gchar *imap_item_get_path (Folder *folder,
429 FolderItem *item);
430 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item);
431
432
433 /* data types conversion libetpan <-> claws */
434 static GSList * imap_list_from_lep(IMAPFolder * folder,
435 clist * list, const gchar * real_path, gboolean all);
436 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist);
437 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist);
438 static GSList * imap_uid_list_from_lep(clist * list, gint* length);
439 static GSList * imap_uid_list_from_lep_tab(carray * list);
440 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
441 GHashTable * hash,
442 GHashTable *tags_hash);
443 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
444 FolderItem *item);
445 static void imap_lep_set_free(GSList *seq_list);
446 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags);
447
448 typedef struct _hashtable_data {
449 GSList *msglist;
450 IMAPFolderItem *item;
451 } hashtable_data;
452
453 static FolderClass imap_class;
454
455 FolderClass *imap_get_class(void)
456 {
457 if (imap_class.idstr == NULL) {
458 imap_class.type = F_IMAP;
459 imap_class.idstr = "imap";
460 imap_class.uistr = "IMAP";
461 imap_class.supports_server_search = TRUE;
462
463 /* Folder functions */
464 imap_class.new_folder = imap_folder_new;
465 imap_class.destroy_folder = imap_folder_destroy;
466 imap_class.scan_tree = imap_scan_tree;
467 imap_class.create_tree = imap_create_tree;
468
469 /* FolderItem functions */
470 imap_class.item_new = imap_folder_item_new;
471 imap_class.item_destroy = imap_folder_item_destroy;
472 imap_class.item_get_path = imap_item_get_path;
473 imap_class.create_folder = imap_create_folder;
474 imap_class.rename_folder = imap_rename_folder;
475 imap_class.remove_folder = imap_remove_folder;
476 imap_class.close = imap_close;
477 imap_class.get_num_list = imap_get_num_list;
478 imap_class.scan_required = imap_scan_required;
479 imap_class.set_xml = folder_set_xml;
480 imap_class.get_xml = folder_get_xml;
481 imap_class.item_set_xml = imap_item_set_xml;
482 imap_class.item_get_xml = imap_item_get_xml;
483
484 /* Message functions */
485 imap_class.get_msginfo = imap_get_msginfo;
486 imap_class.get_msginfos = imap_get_msginfos;
487 imap_class.fetch_msg = imap_fetch_msg;
488 imap_class.fetch_msg_full = imap_fetch_msg_full;
489 imap_class.add_msg = imap_add_msg;
490 imap_class.add_msgs = imap_add_msgs;
491 imap_class.copy_msg = imap_copy_msg;
492 imap_class.copy_msgs = imap_copy_msgs;
493 imap_class.search_msgs = search_msgs;
494 imap_class.remove_msg = imap_remove_msg;
495 imap_class.remove_msgs = imap_remove_msgs;
496 imap_class.expunge = imap_expunge;
497 imap_class.remove_all_msg = imap_remove_all_msg;
498 imap_class.is_msg_changed = imap_is_msg_changed;
499 imap_class.change_flags = imap_change_flags;
500 imap_class.get_flags = imap_get_flags;
501 imap_class.set_batch = imap_set_batch;
502 imap_class.synchronise = imap_synchronise;
503 imap_class.remove_cached_msg = imap_remove_cached_msg;
504 imap_class.commit_tags = imap_commit_tags;
505 }
506
507 return &imap_class;
508 }
509
510 static void imap_refresh_sensitivity (IMAPSession *session)
511 {
512 MainWindow *mainwin;
513
514 if (session->sens_update_block)
515 return;
516 mainwin = mainwindow_get_mainwindow();
517 if (mainwin) {
518 toolbar_main_set_sensitive(mainwin);
519 main_window_set_menu_sensitive(mainwin);
520 }
521 }
522
523 static void lock_session(IMAPSession *session)
524 {
525 if (session) {
526 debug_print("locking session %p (%d)\n", session, session->busy);
527 if (session->busy)
528 debug_print(" SESSION WAS LOCKED !! \n");
529 session->busy = TRUE;
530 imap_refresh_sensitivity(session);
531 } else {
532 debug_print("can't lock null session\n");
533 }
534 }
535
536 static void unlock_session(IMAPSession *session)
537 {
538 if (session) {
539 debug_print("unlocking session %p\n", session);
540 session->busy = FALSE;
541 imap_refresh_sensitivity(session);
542 } else {
543 debug_print("can't unlock null session\n");
544 }
545 }
546
547 static gboolean imap_ping(gpointer data)
548 {
549 Session *session = (Session *)data;
550 IMAPSession *imap_session = IMAP_SESSION(session);
551 int r;
552
553 if (session->state != SESSION_READY)
554 return FALSE;
555 if (imap_session->busy || !imap_session->authenticated)
556 return TRUE;
557
558 lock_session(imap_session);
559 r = imap_cmd_noop(imap_session);
560 unlock_session(imap_session);
561
562 return r == MAILIMAP_NO_ERROR;
563 }
564
565 static void imap_disc_session_destroy(IMAPSession *session)
566 {
567 RemoteFolder *rfolder = NULL;
568
569 if (session == NULL)
570 return;
571
572 rfolder = REMOTE_FOLDER(IMAP_SESSION(session)->folder);
573
574 if (rfolder == NULL)
575 return;
576 log_warning(LOG_PROTOCOL, _("IMAP connection broken\n"));
577 SESSION(session)->state = SESSION_DISCONNECTED;
578 SESSION(session)->sock = NULL;
579 }
580
581 static void imap_safe_destroy(IMAPSession *session)
582 {
583 if (!session->busy)
584 session_destroy(SESSION(session));
585 else
586 session->do_destroy = TRUE;
587 }
588
589 static gboolean is_fatal(int libetpan_errcode)
590 {
591 switch(libetpan_errcode) {
592 case MAILIMAP_ERROR_STREAM:
593 case MAILIMAP_ERROR_PROTOCOL:
594 case MAILIMAP_ERROR_PARSE:
595 case MAILIMAP_ERROR_BAD_STATE:
596 return TRUE;
597 default:
598 return FALSE;
599 }
600 }
601
602 static void imap_handle_error(Session *session, const gchar *server, int libetpan_errcode)
603 {
604 const gchar *session_server = (session ? session->server : NULL);
605
606 if (session_server == NULL)
607 session_server = server;
608 if (session_server == NULL)
609 session_server = "(null)";
610
611 switch(libetpan_errcode) {
612 case MAILIMAP_NO_ERROR:
613 return;
614 case MAILIMAP_NO_ERROR_AUTHENTICATED:
615 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("authenticated"), "\n", NULL), session_server);
616 break;
617 case MAILIMAP_NO_ERROR_NON_AUTHENTICATED:
618 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("not authenticated"), "\n", NULL), session_server);
619 break;
620 case MAILIMAP_ERROR_BAD_STATE:
621 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("bad state"), "\n", NULL), session_server);
622 break;
623 case MAILIMAP_ERROR_STREAM:
624 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("stream error"), "\n", NULL), session_server);
625 break;
626 case MAILIMAP_ERROR_PARSE:
627 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("parse error "
628 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server);
629 break;
630 case MAILIMAP_ERROR_CONNECTION_REFUSED:
631 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("connection refused"), "\n", NULL), session_server);
632 break;
633 case MAILIMAP_ERROR_MEMORY:
634 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("memory error"), "\n", NULL), session_server);
635 break;
636 case MAILIMAP_ERROR_FATAL:
637 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("fatal error"), "\n", NULL), session_server);
638 break;
639 case MAILIMAP_ERROR_PROTOCOL:
640 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("protocol error "
641 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server);
642 break;
643 case MAILIMAP_ERROR_DONT_ACCEPT_CONNECTION:
644 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("connection not accepted"), "\n", NULL), session_server);
645 break;
646 case MAILIMAP_ERROR_APPEND:
647 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("APPEND error"), "\n", NULL), session_server);
648 break;
649 case MAILIMAP_ERROR_NOOP:
650 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("NOOP error"), "\n", NULL), session_server);
651 break;
652 case MAILIMAP_ERROR_LOGOUT:
653 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LOGOUT error"), "\n", NULL), session_server);
654 break;
655 case MAILIMAP_ERROR_CAPABILITY:
656 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CAPABILITY error"), "\n", NULL), session_server);
657 break;
658 case MAILIMAP_ERROR_CHECK:
659 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CHECK error"), "\n", NULL), session_server);
660 break;
661 case MAILIMAP_ERROR_CLOSE:
662 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CLOSE error"), "\n", NULL), session_server);
663 break;
664 case MAILIMAP_ERROR_EXPUNGE:
665 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("EXPUNGE error"), "\n", NULL), session_server);
666 break;
667 case MAILIMAP_ERROR_COPY:
668 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("COPY error"), "\n", NULL), session_server);
669 break;
670 case MAILIMAP_ERROR_UID_COPY:
671 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID COPY error"), "\n", NULL), session_server);
672 break;
673 case MAILIMAP_ERROR_CREATE:
674 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("CREATE error"), "\n", NULL), session_server);
675 break;
676 case MAILIMAP_ERROR_DELETE:
677 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("DELETE error"), "\n", NULL), session_server);
678 break;
679 case MAILIMAP_ERROR_EXAMINE:
680 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("EXAMINE error"), "\n", NULL), session_server);
681 break;
682 case MAILIMAP_ERROR_FETCH:
683 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("FETCH error"), "\n", NULL), session_server);
684 break;
685 case MAILIMAP_ERROR_UID_FETCH:
686 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID FETCH error"), "\n", NULL), session_server);
687 break;
688 case MAILIMAP_ERROR_LIST:
689 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LIST error"), "\n", NULL), session_server);
690 break;
691 case MAILIMAP_ERROR_LOGIN:
692 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LOGIN error"), "\n", NULL), session_server);
693 break;
694 case MAILIMAP_ERROR_LSUB:
695 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("LSUB error"), "\n", NULL), session_server);
696 break;
697 case MAILIMAP_ERROR_RENAME:
698 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("RENAME error"), "\n", NULL), session_server);
699 break;
700 case MAILIMAP_ERROR_SEARCH:
701 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SEARCH error"), "\n", NULL), session_server);
702 break;
703 case MAILIMAP_ERROR_UID_SEARCH:
704 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID SEARCH error"), "\n", NULL), session_server);
705 break;
706 case MAILIMAP_ERROR_SELECT:
707 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SELECT error"), "\n", NULL), session_server);
708 break;
709 case MAILIMAP_ERROR_STATUS:
710 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("STATUS error"), "\n", NULL), session_server);
711 break;
712 case MAILIMAP_ERROR_STORE:
713 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("STORE error"), "\n", NULL), session_server);
714 break;
715 case MAILIMAP_ERROR_UID_STORE:
716 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UID STORE error"), "\n", NULL), session_server);
717 break;
718 case MAILIMAP_ERROR_SUBSCRIBE:
719 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SUBSCRIBE error"), "\n", NULL), session_server);
720 break;
721 case MAILIMAP_ERROR_UNSUBSCRIBE:
722 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("UNSUBSCRIBE error"), "\n", NULL), session_server);
723 break;
724 case MAILIMAP_ERROR_STARTTLS:
725 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("STARTTLS error"), "\n", NULL), session_server);
726 break;
727 case MAILIMAP_ERROR_INVAL:
728 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("INVAL error"), "\n", NULL), session_server);
729 break;
730 case MAILIMAP_ERROR_EXTENSION:
731 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("EXTENSION error"), "\n", NULL), session_server);
732 break;
733 case MAILIMAP_ERROR_SASL:
734 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SASL error"), "\n", NULL), session_server);
735 break;
736 #ifdef USE_GNUTLS
737 case MAILIMAP_ERROR_SSL:
738 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("SSL/TLS error"), "\n", NULL), session_server);
739 break;
740 #endif
741 default:
742 log_warning(LOG_PROTOCOL, g_strconcat(_("IMAP error on %s:"), " ", _("Unknown error [%d]"), "\n", NULL),
743 session_server, libetpan_errcode);
744 break;
745 }
746
747 if (session && is_fatal(libetpan_errcode)) {
748 imap_disc_session_destroy(IMAP_SESSION(session));
749 } else if (session && !is_fatal(libetpan_errcode)) {
750 if (IMAP_SESSION(session)->busy)
751 unlock_session(IMAP_SESSION(session));
752 }
753 }
754
755 static Folder *imap_folder_new(const gchar *name, const gchar *path)
756 {
757 Folder *folder;
758
759 folder = (Folder *)g_new0(IMAPFolder, 1);
760 folder->klass = &imap_class;
761 imap_folder_init(folder, name, path);
762
763 return folder;
764 }
765
766 static void imap_folder_destroy(Folder *folder)
767 {
768 while (imap_folder_get_refcnt(folder) > 0)
769 gtk_main_iteration();
770
771 g_free(IMAP_FOLDER(folder)->search_charset);
772
773 folder_remote_folder_destroy(REMOTE_FOLDER(folder));
774 imap_done(folder);
775 }
776
777 static void imap_folder_init(Folder *folder, const gchar *name,
778 const gchar *path)
779 {
780 folder_remote_folder_init((Folder *)folder, name, path);
781 IMAP_FOLDER(folder)->max_set_size = IMAP_SET_MAX_COUNT;
782 IMAP_FOLDER(folder)->search_charset_supported = TRUE;
783 IMAP_FOLDER(folder)->search_charset = g_strdup(conv_get_locale_charset_str_no_utf8());
784 }
785
786 static FolderItem *imap_folder_item_new(Folder *folder)
787 {
788 IMAPFolderItem *item;
789
790 item = g_new0(IMAPFolderItem, 1);
791 item->lastuid = 0;
792 item->uid_next = 0;
793 item->uid_list = NULL;
794
795 return (FolderItem *)item;
796 }
797
798 static void imap_folder_item_destroy(Folder *folder, FolderItem *_item)
799 {
800 IMAPFolderItem *item = (IMAPFolderItem *)_item;
801
802 g_return_if_fail(item != NULL);
803 g_slist_free(item->uid_list);
804
805 g_free(_item);
806 }
807
808 static gboolean imap_reset_uid_lists_func(GNode *node, gpointer data)
809 {
810 IMAPFolderItem *item = (IMAPFolderItem *)node->data;
811
812 item->lastuid = 0;
813 g_slist_free(item->uid_list);
814 item->uid_list = NULL;
815
816 return FALSE;
817 }
818
819 static void imap_reset_uid_lists(Folder *folder)
820 {
821 if(folder->node == NULL)
822 return;
823
824 /* Destroy all uid lists and rest last uid */
825 g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, imap_reset_uid_lists_func, NULL);
826 }
827
828 static int imap_get_capabilities(IMAPSession *session)
829 {
830 struct mailimap_capability_data *capabilities = NULL;
831 clistiter *cur;
832 int result;
833
834 if (session->capability != NULL)
835 return MAILIMAP_NO_ERROR;
836
837 result = imap_threaded_capability(session->folder, &capabilities);
838
839 if (result != MAILIMAP_NO_ERROR) {
840 return result;
841 }
842
843 if (capabilities == NULL || capabilities->cap_list == NULL) {
844 return MAILIMAP_NO_ERROR;
845 }
846
847 for(cur = clist_begin(capabilities->cap_list) ; cur != NULL ;
848 cur = clist_next(cur)) {
849 struct mailimap_capability * cap =
850 clist_content(cur);
851 if (!cap || cap->cap_data.cap_name == NULL)
852 continue;
853 session->capability = g_slist_append
854 (session->capability,
855 g_strdup(cap->cap_data.cap_name));
856 debug_print("got capa %s\n", cap->cap_data.cap_name);
857 }
858 mailimap_capability_data_free(capabilities);
859 return MAILIMAP_NO_ERROR;
860 }
861
862 static gboolean imap_has_capability(IMAPSession *session, const gchar *cap)
863 {
864 GSList *cur;
865 for (cur = session->capability; cur; cur = cur->next) {
866 if (!g_ascii_strcasecmp(cur->data, cap))
867 return TRUE;
868 }
869 return FALSE;
870 }
871
872 static gint imap_auth(IMAPSession *session, const gchar *user, const gchar *pass,
873 IMAPAuthType type)
874 {
875 gint ok = MAILIMAP_ERROR_LOGIN;
876 static time_t last_login_err = 0;
877 gchar *ext_info = "";
878 int r;
879 gchar *server = NULL;
880 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
881 imap_handle_error(SESSION(session), NULL, r);
882 return r;
883 }
884 server = g_strdup(SESSION(session)->server);
885 switch(type) {
886 case IMAP_AUTH_ANON:
887 ok = imap_cmd_login(session, user, pass, "ANONYMOUS");
888 break;
889 case IMAP_AUTH_CRAM_MD5:
890 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
891 break;
892 case IMAP_AUTH_DIGEST_MD5:
893 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
894 break;
895 case IMAP_AUTH_SCRAM_SHA1:
896 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
897 break;
898 case IMAP_AUTH_PLAIN:
899 ok = imap_cmd_login(session, user, pass, "PLAIN");
900 break;
901 case IMAP_AUTH_LOGIN:
902 ok = imap_cmd_login(session, user, pass, "LOGIN");
903 break;
904 case IMAP_AUTH_PLAINTEXT:
905 ok = imap_cmd_login(session, user, pass, "plaintext");
906 break;
907 case IMAP_AUTH_GSSAPI:
908 ok = imap_cmd_login(session, user, pass, "GSSAPI");
909 break;
910 default:
911 debug_print("capabilities:\n"
912 "\t ANONYMOUS %d\n"
913 "\t CRAM-MD5 %d\n"
914 "\t DIGEST-MD5 %d\n"
915 "\t SCRAM-SHA-1 %d\n"
916 "\t PLAIN %d\n"
917 "\t LOGIN %d\n"
918 "\t GSSAPI %d\n",
919 imap_has_capability(session, "ANONYMOUS"),
920 imap_has_capability(session, "CRAM-MD5"),
921 imap_has_capability(session, "DIGEST-MD5"),
922 imap_has_capability(session, "SCRAM-SHA-1"),
923 imap_has_capability(session, "PLAIN"),
924 imap_has_capability(session, "LOGIN"),
925 imap_has_capability(session, "GSSAPI"));
926 if (imap_has_capability(session, "CRAM-MD5"))
927 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
928 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "DIGEST-MD5"))
929 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
930 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-1"))
931 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
932 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "PLAIN"))
933 ok = imap_cmd_login(session, user, pass, "PLAIN");
934 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "LOGIN"))
935 ok = imap_cmd_login(session, user, pass, "LOGIN");
936 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "GSSAPI"))
937 ok = imap_cmd_login(session, user, pass, "GSSAPI");
938 if (ok == MAILIMAP_ERROR_LOGIN) /* we always try plaintext login before giving up */
939 ok = imap_cmd_login(session, user, pass, "plaintext");
940 }
941
942 if (ok == MAILIMAP_NO_ERROR)
943 session->authenticated = TRUE;
944 else {
945 if (type == IMAP_AUTH_CRAM_MD5) {
946 ext_info = _("\n\nCRAM-MD5 logins only work if libetpan has been "
947 "compiled with SASL support and the "
948 "CRAM-MD5 SASL plugin is installed.");
949 }
950
951 if (type == IMAP_AUTH_DIGEST_MD5) {
952 ext_info = _("\n\nDIGEST-MD5 logins only work if libetpan has been "
953 "compiled with SASL support and the "
954 "DIGEST-MD5 SASL plugin is installed.");
955 }
956
957 if (type == IMAP_AUTH_SCRAM_SHA1) {
958 ext_info = _("\n\nSCRAM-SHA-1 logins only work if libetpan has been "
959 "compiled with SASL support and the "
960 "SCRAM SASL plugin is installed.");
961 }
962
963 if (type == IMAP_AUTH_PLAIN) {
964 ext_info = _("\n\nPLAIN logins only work if libetpan has been "
965 "compiled with SASL support and the "
966 "PLAIN SASL plugin is installed.");
967 }
968
969 if (type == IMAP_AUTH_LOGIN) {
970 ext_info = _("\n\nLOGIN logins only work if libetpan has been "
971 "compiled with SASL support and the "
972 "LOGIN SASL plugin is installed.");
973 }
974
975 if (time(NULL) - last_login_err > 10) {
976 if (!prefs_common.no_recv_err_panel) {
977 alertpanel_error_log(_("Connection to %s failed: "
978 "login refused.%s"),
979 server, ext_info);
980 } else {
981 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
982 "login refused.%s\n"),
983 server, ext_info);
984 }
985 }
986 last_login_err = time(NULL);
987 }
988 g_free(server);
989 return ok;
990 }
991
992 static IMAPSession *imap_reconnect_if_possible(Folder *folder, IMAPSession *session)
993 {
994 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
995 /* Check if this is the first try to establish a
996 connection, if yes we don't try to reconnect */
997 debug_print("reconnecting\n");
998 if (rfolder->session == NULL) {
999 log_warning(LOG_PROTOCOL, _("Connecting to %s failed"),
1000 folder->account->recv_server);
1001 SESSION(session)->sock = NULL;
1002 imap_safe_destroy(session);
1003 session = NULL;
1004 } else {
1005 rfolder->session = NULL;
1006 log_warning(LOG_PROTOCOL, _("IMAP connection to %s has been"
1007 " disconnected. Reconnecting...\n"),
1008 folder->account->recv_server);
1009 statusbar_print_all(_("IMAP connection to %s has been"
1010 " disconnected. Reconnecting...\n"),
1011 folder->account->recv_server);
1012 SESSION(session)->state = SESSION_DISCONNECTED;
1013 SESSION(session)->sock = NULL;
1014 imap_safe_destroy(session);
1015 /* Clear folders session to make imap_session_get create
1016 a new session, because of rfolder->session == NULL
1017 it will not try to reconnect again and so avoid an
1018 endless loop */
1019 debug_print("getting session...\n");
1020 session = imap_session_get(folder);
1021 rfolder->session = SESSION(session);
1022 statusbar_pop_all();
1023 }
1024 return session;
1025 }
1026
1027 static IMAPSession *imap_session_get(Folder *folder)
1028 {
1029 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1030 IMAPSession *session = NULL;
1031 gint r = MAILIMAP_NO_ERROR;
1032
1033 g_return_val_if_fail(folder != NULL, NULL);
1034 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, NULL);
1035 g_return_val_if_fail(folder->account != NULL, NULL);
1036
1037 if (prefs_common.work_offline &&
1038 !inc_offline_should_override(FALSE,
1039 _("Claws Mail needs network access in order "
1040 "to access the IMAP server."))) {
1041 return NULL;
1042 }
1043
1044 /* check for deferred destroy */
1045 if (rfolder->session != NULL) {
1046 session = IMAP_SESSION(rfolder->session);
1047 if (!session->busy && session->do_destroy) {
1048 rfolder->session = NULL;
1049 imap_safe_destroy(session);
1050 session = NULL;
1051 }
1052 }
1053
1054 /* Make sure we have a session */
1055 if (rfolder->session != NULL && rfolder->session->state != SESSION_DISCONNECTED) {
1056 session = IMAP_SESSION(rfolder->session);
1057 } else if (rfolder->session != NULL && rfolder->session->state == SESSION_DISCONNECTED) {
1058 imap_safe_destroy(IMAP_SESSION(rfolder->session));
1059 rfolder->session = NULL;
1060 goto new_conn;
1061 } else if (rfolder->connecting) {
1062 debug_print("already connecting\n");
1063 return NULL;
1064 } else {
1065 new_conn:
1066 imap_reset_uid_lists(folder);
1067 if (time(NULL) - rfolder->last_failure <= 2)
1068 return NULL;
1069 rfolder->connecting = TRUE;
1070 session = imap_session_new(folder, folder->account);
1071 }
1072 if(session == NULL) {
1073 rfolder->last_failure = time(NULL);
1074 rfolder->connecting = FALSE;
1075 return NULL;
1076 }
1077
1078 /* Make sure session is authenticated */
1079 if (!IMAP_SESSION(session)->authenticated)
1080 r = imap_session_authenticate(IMAP_SESSION(session), folder->account);
1081
1082 if (r != MAILIMAP_NO_ERROR || (!is_fatal(r) && !IMAP_SESSION(session)->authenticated)) {
1083 rfolder->session = NULL;
1084 if (!is_fatal(r)) {
1085 imap_threaded_disconnect(session->folder);
1086 }
1087 SESSION(session)->state = SESSION_DISCONNECTED;
1088 SESSION(session)->sock = NULL;
1089 imap_safe_destroy(session);
1090 rfolder->last_failure = time(NULL);
1091 rfolder->connecting = FALSE;
1092 return NULL;
1093 }
1094
1095 /* I think the point of this code is to avoid sending a
1096 * keepalive if we've used the session recently and therefore
1097 * think it's still alive. Unfortunately, most of the code
1098 * does not yet check for errors on the socket, and so if the
1099 * connection drops we don't notice until the timeout expires.
1100 * A better solution than sending a NOOP every time would be
1101 * for every command to be prepared to retry until it is
1102 * successfully sent. -- mbp */
1103 if ((time(NULL) - SESSION(session)->last_access_time > SESSION_TIMEOUT_INTERVAL) || session->cancelled) {
1104 /* verify that the session is still alive */
1105 r = imap_cmd_noop(session);
1106
1107 if (r != MAILIMAP_NO_ERROR) {
1108 debug_print("disconnected!\n");
1109 if (!is_fatal(r))
1110 session = imap_reconnect_if_possible(folder, session);
1111 else {
1112 rfolder->session = NULL;
1113 rfolder->connecting = FALSE;
1114 SESSION(session)->state = SESSION_DISCONNECTED;
1115 SESSION(session)->sock = NULL;
1116 imap_safe_destroy(session);
1117 session = imap_session_get(folder);
1118 }
1119 }
1120 if (session)
1121 session->cancelled = FALSE;
1122 }
1123
1124 rfolder->session = SESSION(session);
1125 rfolder->connecting = FALSE;
1126
1127 return IMAP_SESSION(session);
1128 }
1129
1130 static IMAPSession *imap_session_new(Folder * folder,
1131 const PrefsAccount *account)
1132 {
1133 IMAPSession *session;
1134 gushort port;
1135 int r;
1136 int authenticated = FALSE;
1137 gchar *buf;
1138
1139 #ifdef USE_GNUTLS
1140 /* FIXME: IMAP over SSL only... */
1141 SSLType ssl_type;
1142
1143 port = account->set_imapport ? account->imapport
1144 : account->ssl_imap == SSL_TUNNEL ? IMAPS_PORT : IMAP4_PORT;
1145 ssl_type = account->ssl_imap;
1146 #else
1147 if (account->ssl_imap != SSL_NONE) {
1148 if (alertpanel_full(_("Insecure connection"),
1149 _("This connection is configured to be secured "
1150 "using SSL/TLS, but SSL/TLS is not available "
1151 "in this build of Claws Mail. \n\n"
1152 "Do you want to continue connecting to this "
1153 "server? The communication would not be "
1154 "secure."),
1155 GTK_STOCK_CANCEL, _("Con_tinue connecting"),
1156 NULL, FALSE, NULL, ALERT_WARNING,
1157 G_ALERTDEFAULT) != G_ALERTALTERNATE)
1158 return NULL;
1159 }
1160 port = account->set_imapport ? account->imapport
1161 : IMAP4_PORT;
1162 #endif
1163
1164 imap_init(folder);
1165 buf = g_strdup_printf(_("Account '%s': Connecting to IMAP server: %s:%d..."),
1166 folder->account->account_name, folder->account->recv_server,
1167 port);
1168 statuswindow_print_all("%s", buf);
1169 log_message(LOG_PROTOCOL, "%s\n", buf);
1170 g_free(buf);
1171
1172 #ifndef G_OS_WIN32
1173 if (account->set_tunnelcmd) {
1174 r = imap_threaded_connect_cmd(folder,
1175 account->tunnelcmd,
1176 account->recv_server,
1177 port);
1178 }
1179 else
1180 #endif
1181 {
1182 #ifdef USE_GNUTLS
1183 if (ssl_type == SSL_TUNNEL) {
1184 r = imap_threaded_connect_ssl(folder,
1185 account->recv_server,
1186 port);
1187 }
1188 else
1189 #endif
1190 {
1191 r = imap_threaded_connect(folder,
1192 account->recv_server,
1193 port);
1194 }
1195 }
1196
1197 statuswindow_pop_all();
1198 if (r == MAILIMAP_NO_ERROR_AUTHENTICATED) {
1199 authenticated = TRUE;
1200 }
1201 else if (r == MAILIMAP_NO_ERROR_NON_AUTHENTICATED) {
1202 authenticated = FALSE;
1203 }
1204 else {
1205 #ifdef USE_GNUTLS
1206 if (r == MAILIMAP_ERROR_SSL)
1207 log_error(LOG_PROTOCOL, _("SSL/TLS handshake failed\n"));
1208 else
1209 #endif
1210 imap_handle_error(NULL, account->recv_server, r);
1211
1212 if(!prefs_common.no_recv_err_panel) {
1213 alertpanel_error_log(_("Can't connect to IMAP server: %s:%d"),
1214 account->recv_server, port);
1215 } else {
1216 log_error(LOG_PROTOCOL, _("Can't connect to IMAP server: %s:%d\n"),
1217 account->recv_server, port);
1218 }
1219
1220 return NULL;
1221 }
1222
1223 session = g_new0(IMAPSession, 1);
1224 session_init(SESSION(session), account, FALSE);
1225 SESSION(session)->type = SESSION_IMAP;
1226 SESSION(session)->server = g_strdup(account->recv_server);
1227 SESSION(session)->port = port;
1228 SESSION(session)->sock = NULL;
1229
1230 SESSION(session)->destroy = imap_session_destroy;
1231
1232 session->capability = NULL;
1233
1234 session->authenticated = authenticated;
1235 session->mbox = NULL;
1236 session->exists = 0;
1237 session->recent = 0;
1238 session->expunge = 0;
1239 session->cmd_count = 0;
1240 session->folder = folder;
1241 IMAP_FOLDER(session->folder)->last_seen_separator = 0;
1242
1243 #ifdef USE_GNUTLS
1244 if (account->ssl_imap == SSL_STARTTLS) {
1245 gint ok;
1246
1247 ok = imap_cmd_starttls(session);
1248 if (ok != MAILIMAP_NO_ERROR) {
1249 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
1250 if (!is_fatal(ok)) {
1251 SESSION(session)->sock = NULL;
1252 imap_safe_destroy(session);
1253 }
1254 return NULL;
1255 }
1256
1257 imap_free_capabilities(session);
1258 session->authenticated = FALSE;
1259 session->uidplus = FALSE;
1260 session->cmd_count = 1;
1261 }
1262 #endif
1263 log_message(LOG_PROTOCOL, "IMAP connection is %s-authenticated\n",
1264 (session->authenticated) ? "pre" : "un");
1265
1266 session_register_ping(SESSION(session), imap_ping);
1267
1268 return session;
1269 }
1270
1271 static gint imap_session_authenticate(IMAPSession *session,
1272 PrefsAccount *account)
1273 {
1274 gchar *pass, *acc_pass = NULL;
1275 gboolean failed = FALSE;
1276 gint ok = MAILIMAP_NO_ERROR;
1277 g_return_val_if_fail(account->userid != NULL, MAILIMAP_ERROR_BAD_STATE);
1278
1279 if (!password_get(account->userid, account->recv_server, "imap",
1280 SESSION(session)->port, &acc_pass)) {
1281 acc_pass = passwd_store_get_account(account->account_id,
1282 PWS_ACCOUNT_RECV);
1283 }
1284
1285 try_again:
1286 pass = acc_pass;
1287 if (!pass && account->imap_auth_type != IMAP_AUTH_ANON && account->imap_auth_type != IMAP_AUTH_GSSAPI) {
1288 gchar *tmp_pass;
1289 tmp_pass = input_dialog_query_password_keep(account->recv_server,
1290 account->userid,
1291 &(account->session_passwd));
1292 if (!tmp_pass) {
1293 return MAILIMAP_NO_ERROR;
1294 }
1295 Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return MAILIMAP_NO_ERROR;});
1296 g_free(tmp_pass);
1297 } else if (account->imap_auth_type == IMAP_AUTH_ANON || account->imap_auth_type == IMAP_AUTH_GSSAPI) {
1298 pass = "";
1299 }
1300 if ((ok = imap_auth(session, account->userid, pass, account->imap_auth_type)) != MAILIMAP_NO_ERROR) {
1301
1302 if (!failed && !is_fatal(ok)) {
1303 if (acc_pass != NULL) {
1304 memset(acc_pass, 0, strlen(acc_pass));
1305 g_free(acc_pass);
1306 acc_pass = NULL;
1307 }
1308 failed = TRUE;
1309 if (account->session_passwd != NULL) {
1310 g_free(account->session_passwd);
1311 account->session_passwd = NULL;
1312 }
1313 goto try_again;
1314 } else {
1315 if (prefs_common.no_recv_err_panel) {
1316 log_error(LOG_PROTOCOL, _("Couldn't login to IMAP server %s.\n"), account->recv_server);
1317 mainwindow_show_error();
1318 } else
1319 alertpanel_error_log(_("Couldn't login to IMAP server %s."), account->recv_server);
1320 }
1321
1322 if (acc_pass != NULL) {
1323 g_free(acc_pass);
1324 memset(acc_pass, 0, strlen(acc_pass));
1325 }
1326
1327 return ok;
1328 }
1329
1330 if (acc_pass) {
1331 memset(acc_pass, 0, strlen(acc_pass));
1332 g_free(acc_pass);
1333 }
1334 statuswindow_pop_all();
1335 session->authenticated = TRUE;
1336 return MAILIMAP_NO_ERROR;
1337 }
1338
1339 static void imap_session_destroy(Session *session)
1340 {
1341 if (session->state != SESSION_DISCONNECTED)
1342 imap_threaded_disconnect(IMAP_SESSION(session)->folder);
1343
1344 imap_free_capabilities(IMAP_SESSION(session));
1345 g_free(IMAP_SESSION(session)->mbox);
1346 }
1347
1348 static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
1349 {
1350 return imap_fetch_msg_full(folder, item, uid, TRUE, TRUE);
1351 }
1352
1353 static guint get_file_size_with_crs(const gchar *filename)
1354 {
1355 FILE *fp = NULL;
1356 guint cnt = 0;
1357 gchar buf[4096];
1358
1359 if (filename == NULL)
1360 return -1;
1361
1362 fp = g_fopen(filename, "rb");
1363 if (!fp)
1364 return -1;
1365
1366 while (fgets(buf, sizeof (buf), fp) != NULL) {
1367 cnt += strlen(buf);
1368 if (!strstr(buf, "\r\n") && strstr(buf, "\n"))
1369 cnt++;
1370 }
1371
1372 fclose(fp);
1373 return cnt;
1374 }
1375
1376 static gchar *imap_get_cached_filename(FolderItem *item, guint msgnum)
1377 {
1378 gchar *path, *filename;
1379
1380 cm_return_val_if_fail(item != NULL, NULL);
1381
1382 path = folder_item_get_path(item);
1383
1384 if (!is_dir_exist(path)) {
1385 g_free(path);
1386 return NULL;
1387 }
1388
1389 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
1390
1391 if (is_dir_exist(filename)) {
1392 g_free(filename);
1393 filename = g_strconcat(path, G_DIR_SEPARATOR_S, ".", itos(msgnum), NULL);
1394 }
1395 g_free(path);
1396
1397 return filename;
1398 }
1399
1400 static void imap_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
1401 {
1402 gchar *filename;
1403
1404 filename = imap_get_cached_filename(item, msginfo->msgnum);
1405
1406 cm_return_if_fail(filename != NULL);
1407
1408 if (is_file_exist(filename)) {
1409 claws_unlink(filename);
1410 }
1411 g_free(filename);
1412 }
1413
1414 typedef struct _TagsData {
1415 gchar *str;
1416 GSList *msglist;
1417 IMAPFolderItem *item;
1418 } TagsData;
1419
1420 static void imap_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
1421 {
1422 IMAPSession *session;
1423 gint ok, can_create_tags;
1424 Folder *folder = NULL;
1425 TagsData *ht_data = NULL;
1426 GSList *cur;
1427
1428 g_return_if_fail(item != NULL);
1429 g_return_if_fail(msginfo != NULL);
1430
1431 folder = item->folder;
1432 debug_print("getting session...\n");
1433 session = imap_session_get(folder);
1434
1435 if (!session) {
1436 debug_print("can't get session\n");
1437 return;
1438 }
1439
1440 ok = imap_select(session, IMAP_FOLDER(folder), item,
1441 NULL, NULL, NULL, NULL, &can_create_tags, FALSE);
1442
1443 if (ok != MAILIMAP_NO_ERROR) {
1444 return;
1445 }
1446
1447
1448 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS)
1449 return;
1450
1451 if (IMAP_FOLDER_ITEM(item)->batching) {
1452 /* instead of performing an UID STORE command for each message change,
1453 * as a lot of them can change "together", we just fill in hashtables
1454 * and defer the treatment so that we're able to send only one
1455 * command.
1456 */
1457 debug_print("IMAP batch mode on, deferring tags change\n");
1458 for (cur = tags_set; cur; cur = cur->next) {
1459 gint cur_tag = GPOINTER_TO_INT(cur->data);
1460 if (cur_tag) {
1461 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_set_table,
1462 GINT_TO_POINTER(cur_tag));
1463 if (ht_data == NULL) {
1464 ht_data = g_new0(TagsData, 1);
1465 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1466 ht_data->item = IMAP_FOLDER_ITEM(item);
1467 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_set_table,
1468 GINT_TO_POINTER(cur_tag), ht_data);
1469 }
1470 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1471 }
1472 }
1473 for (cur = tags_unset; cur; cur = cur->next) {
1474 gint cur_tag = GPOINTER_TO_INT(cur->data);
1475 if (cur_tag) {
1476 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1477 GINT_TO_POINTER(cur_tag));
1478 if (ht_data == NULL) {
1479 ht_data = g_new0(TagsData, 1);
1480 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1481 ht_data->item = IMAP_FOLDER_ITEM(item);
1482 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1483 GINT_TO_POINTER(cur_tag), ht_data);
1484 }
1485 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1486 }
1487 }
1488 } else {
1489 GSList *list_set = NULL;
1490 GSList *list_unset = NULL;
1491 GSList numlist;
1492
1493 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
1494 numlist.next = NULL;
1495
1496 debug_print("IMAP changing tags NOW\n");
1497 for (cur = tags_set; cur; cur = cur->next) {
1498 gint cur_tag = GPOINTER_TO_INT(cur->data);
1499 const gchar *str = tags_get_tag(cur_tag);
1500 if (IS_NOT_RESERVED_TAG(str))
1501 list_set = g_slist_prepend(list_set, g_strdup(str));
1502 }
1503 if (list_set) {
1504 ok = imap_set_message_flags(session,
1505 IMAP_FOLDER_ITEM(item), &numlist, 0, list_set, TRUE);
1506 slist_free_strings_full(list_set);
1507 if (ok != MAILIMAP_NO_ERROR) {
1508 return;
1509 }
1510 }
1511
1512 for (cur = tags_unset; cur; cur = cur->next) {
1513 gint cur_tag = GPOINTER_TO_INT(cur->data);
1514 const gchar *str = tags_get_tag(cur_tag);
1515 if (IS_NOT_RESERVED_TAG(str))
1516 list_unset = g_slist_prepend(list_unset, g_strdup(str));
1517 }
1518 if (list_unset) {
1519 ok = imap_set_message_flags(session,
1520 IMAP_FOLDER_ITEM(item), &numlist, 0, list_unset, FALSE);
1521 slist_free_strings_full(list_unset);
1522 if (ok != MAILIMAP_NO_ERROR) {
1523 return;
1524 }
1525 }
1526 }
1527 }
1528
1529 static gchar *imap_fetch_msg_full(Folder *folder, FolderItem *item, gint uid,
1530 gboolean headers, gboolean body)
1531 {
1532 gchar *path, *filename;
1533 IMAPSession *session;
1534 gint ok;
1535
1536 g_return_val_if_fail(folder != NULL, NULL);
1537 g_return_val_if_fail(item != NULL, NULL);
1538
1539 if (uid == 0)
1540 return NULL;
1541
1542 path = folder_item_get_path(item);
1543 if (!is_dir_exist(path)) {
1544 if(is_file_exist(path))
1545 claws_unlink(path);
1546 make_dir_hier(path);
1547 }
1548 g_free(path);
1549
1550 filename = imap_get_cached_filename(item, uid);
1551 debug_print("trying to fetch cached %s\n", filename);
1552
1553 if (is_file_exist(filename)) {
1554 /* see whether the local file represents the whole message
1555 * or not. As the IMAP server reports size with \r chars,
1556 * we have to update the local file (UNIX \n only) size */
1557 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1558 guint have_size = -1;
1559
1560 if (cached)
1561 debug_print("message %d has been already %scached.\n", uid,
1562 MSG_IS_FULLY_CACHED(cached->flags) ? "fully ":"");
1563
1564 if (!cached || !MSG_IS_FULLY_CACHED(cached->flags)) {
1565 have_size = get_file_size_with_crs(filename);
1566 if (cached && (cached->size <= have_size || !body)) {
1567 ok = file_strip_crs(filename);
1568 if (ok == 0 && cached && cached->size <= have_size) {
1569 /* we have it all and stripped */
1570 debug_print("...fully cached in fact (%u/%zd); setting flag.\n",
1571 have_size, cached->size);
1572 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1573 }
1574 procmsg_msginfo_free(&cached);
1575 return filename;
1576 } else if (!cached && time(NULL) - get_file_mtime(filename) < 60) {
1577 debug_print("message not cached and file recent, considering file complete\n");
1578 ok = file_strip_crs(filename);
1579 if (ok == 0)
1580 return filename;
1581 } else {
1582 procmsg_msginfo_free(&cached);
1583 }
1584 }
1585 if (cached && MSG_IS_FULLY_CACHED(cached->flags)) {
1586 procmsg_msginfo_free(&cached);
1587 return filename;
1588 }
1589 } else {
1590 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1591 if (cached) {
1592 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1593 procmsg_msginfo_free(&cached);
1594 }
1595 }
1596
1597 debug_print("getting session...\n");
1598 session = imap_session_get(folder);
1599
1600 if (!session) {
1601 g_free(filename);
1602 return NULL;
1603 }
1604 session_set_access_time(SESSION(session));
1605 lock_session(session); /* unlocked later in the function */
1606
1607 debug_print("IMAP fetching messages\n");
1608 ok = imap_select(session, IMAP_FOLDER(folder), item,
1609 NULL, NULL, NULL, NULL, NULL, FALSE);
1610 if (ok != MAILIMAP_NO_ERROR) {
1611 g_warning("can't select mailbox %s", item->path);
1612 g_free(filename);
1613 return NULL;
1614 }
1615
1616 session_set_access_time(SESSION(session));
1617
1618 debug_print("getting message %d...\n", uid);
1619 ok = imap_cmd_fetch(session, (guint32)uid, filename, headers, body);
1620
1621 if (ok != MAILIMAP_NO_ERROR) {
1622 g_warning("can't fetch message %d", uid);
1623 g_free(filename);
1624 return NULL;
1625 }
1626
1627 session_set_access_time(SESSION(session));
1628 unlock_session(session);
1629
1630 ok = file_strip_crs(filename);
1631
1632 if (ok == 0 && headers && body) {
1633 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1634 if (cached) {
1635 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1636 procmsg_msginfo_free(&cached);
1637 }
1638 } else if (ok == -1) {
1639 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1640 if (cached) {
1641 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1642 procmsg_msginfo_free(&cached);
1643 }
1644 }
1645 return filename;
1646 }
1647
1648 static gboolean imap_is_msg_fully_cached(Folder *folder, FolderItem *item, gint uid)
1649 {
1650 gchar *filename;
1651 guint size = 0;
1652 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1653
1654 if (!cached)
1655 return FALSE;
1656
1657 if (MSG_IS_FULLY_CACHED(cached->flags)) {
1658 procmsg_msginfo_free(&cached);
1659 return TRUE;
1660 }
1661
1662 filename = imap_get_cached_filename(item, uid);
1663
1664 if (is_file_exist(filename)) {
1665 if (cached && cached->total_size == cached->size) {
1666 /* fast path */
1667 g_free(filename);
1668 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1669 return TRUE;
1670 }
1671 size = get_file_size_with_crs(filename);
1672 }
1673 g_free(filename);
1674 debug_print("msg %d cached, has size %d, full should be %zd.\n", uid, size, cached->size);
1675 if (cached && size >= cached->size) {
1676 cached->total_size = cached->size;
1677 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1678 procmsg_msginfo_free(&cached);
1679 return TRUE;
1680 }
1681 if (cached)
1682 procmsg_msginfo_free(&cached);
1683 return FALSE;
1684 }
1685
1686 void imap_cache_msg(FolderItem *item, gint msgnum)
1687 {
1688 Folder *folder = NULL;
1689
1690 if (!item)
1691 return;
1692 folder = item->folder;
1693
1694 if (!imap_is_msg_fully_cached(folder, item, msgnum)) {
1695 gchar *tmp = imap_fetch_msg_full(folder, item, msgnum, TRUE, TRUE);
1696 debug_print("fetched %s\n", tmp);
1697 g_free(tmp);
1698 }
1699 }
1700
1701 static gint imap_add_msg(Folder *folder, FolderItem *dest,
1702 const gchar *file, MsgFlags *flags)
1703 {
1704 gint ret;
1705 GSList file_list;
1706 MsgFileInfo fileinfo;
1707
1708 g_return_val_if_fail(file != NULL, -1);
1709
1710 fileinfo.msginfo = NULL;
1711 fileinfo.file = (gchar *)file;
1712 fileinfo.flags = flags;
1713 file_list.data = &fileinfo;
1714 file_list.next = NULL;
1715
1716 ret = imap_add_msgs(folder, dest, &file_list, NULL);
1717 return ret;
1718 }
1719
1720 static gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
1721 GHashTable *relation)
1722 {
1723 gchar *destdir;
1724 IMAPSession *session;
1725 guint32 last_uid = 0;
1726 GSList *cur;
1727 MsgFileInfo *fileinfo;
1728 gint ok = MAILIMAP_NO_ERROR;
1729 gint curnum = 0, total = 0;
1730 gboolean missing_uids = FALSE;
1731
1732 g_return_val_if_fail(folder != NULL, -1);
1733 g_return_val_if_fail(dest != NULL, -1);
1734 g_return_val_if_fail(file_list != NULL, -1);
1735
1736 debug_print("getting session...\n");
1737 session = imap_session_get(folder);
1738 if (!session) {
1739 return -1;
1740 }
1741 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
1742 if (is_fatal(ok)) {
1743 g_free(destdir);
1744 return -1;
1745 }
1746 statusbar_print_all(_("Adding messages..."));
1747 total = g_slist_length(file_list);
1748 for (cur = file_list; cur != NULL; cur = cur->next) {
1749 IMAPFlags iflags = 0;
1750 guint32 new_uid = 0;
1751 gchar *real_file = NULL;
1752 fileinfo = (MsgFileInfo *)cur->data;
1753
1754 statusbar_progress_all(curnum, total, total < 10 ? 1:10);
1755 curnum++;
1756
1757 if (fileinfo->flags) {
1758 if (MSG_IS_MARKED(*fileinfo->flags))
1759 iflags |= IMAP_FLAG_FLAGGED;
1760 if (MSG_IS_REPLIED(*fileinfo->flags))
1761 iflags |= IMAP_FLAG_ANSWERED;
1762 if (MSG_IS_FORWARDED(*fileinfo->flags))
1763 iflags |= IMAP_FLAG_FORWARDED;
1764 if (MSG_IS_SPAM(*fileinfo->flags))
1765 iflags |= IMAP_FLAG_SPAM;
1766 else
1767 iflags |= IMAP_FLAG_HAM;
1768 if (!MSG_IS_UNREAD(*fileinfo->flags))
1769 iflags |= IMAP_FLAG_SEEN;
1770
1771 }
1772
1773 if (real_file == NULL)
1774 real_file = g_strdup(fileinfo->file);
1775
1776 if (folder_has_parent_of_type(dest, F_QUEUE) ||
1777 folder_has_parent_of_type(dest, F_OUTBOX) ||
1778 folder_has_parent_of_type(dest, F_DRAFT) ||
1779 folder_has_parent_of_type(dest, F_TRASH))
1780 iflags |= IMAP_FLAG_SEEN;
1781
1782 ok = imap_cmd_append(session, IMAP_FOLDER_ITEM(dest), destdir, real_file, iflags,
1783 &new_uid);
1784
1785 if (ok != MAILIMAP_NO_ERROR) {
1786 g_warning("can't append message %s", real_file);
1787 g_free(real_file);
1788 g_free(destdir);
1789 statusbar_progress_all(0,0,0);
1790 statusbar_pop_all();
1791 return -1;
1792 } else {
1793 debug_print("appended new message as %d\n", new_uid);
1794 /* put the local file in the imapcache, so that we don't
1795 * have to fetch it back later. */
1796
1797 if (new_uid == 0) {
1798 missing_uids = TRUE;
1799 debug_print("Missing UID (0)\n");
1800 }
1801 if (new_uid > 0) {
1802 gchar *cache_path = folder_item_get_path(dest);
1803 if (!is_dir_exist(cache_path))
1804 make_dir_hier(cache_path);
1805 if (is_dir_exist(cache_path)) {
1806 gchar *cache_file = g_strconcat(
1807 cache_path, G_DIR_SEPARATOR_S,
1808 itos(new_uid), NULL);
1809 copy_file(real_file, cache_file, TRUE);
1810 debug_print("got UID %d, copied to cache: %s\n", new_uid, cache_file);
1811 g_free(cache_file);
1812 }
1813 g_free(cache_path);
1814 }
1815 }
1816
1817 if (relation != NULL)
1818 g_hash_table_insert(relation, fileinfo->msginfo != NULL ?
1819 (gpointer) fileinfo->msginfo : (gpointer) fileinfo,
1820 GINT_TO_POINTER(new_uid));
1821 if (last_uid < new_uid) {
1822 last_uid = new_uid;
1823 }
1824
1825 g_free(real_file);
1826 }
1827
1828 statusbar_progress_all(0,0,0);
1829 statusbar_pop_all();
1830
1831
1832 g_free(destdir);
1833
1834 imap_scan_required(folder, dest);
1835
1836 session = imap_session_get(folder);
1837 if (!session) {
1838 return -1;
1839 }
1840 if (missing_uids) {
1841 gint a;
1842 ok = imap_select(session, IMAP_FOLDER(folder), dest,
1843 &a, NULL, NULL, NULL, NULL, FALSE);
1844 }
1845 return last_uid;
1846 }
1847
1848 static GSList *flatten_mailimap_set(struct mailimap_set * set)
1849 {
1850 GSList *result = NULL;
1851 clistiter *list;
1852 guint32 start, end, t;
1853 GSList *cur;
1854
1855 if (!set || !set->set_list)
1856 return NULL;
1857
1858 for (list = clist_begin(set->set_list); list; list = clist_next(list)) {
1859 struct mailimap_set_item *item = (struct mailimap_set_item *)clist_content(list);
1860 start = item->set_first;
1861 end = item->set_last;
1862 if (start <= end) {
1863 for (t = start; t <= end; t++) {
1864 result = g_slist_prepend(result, GINT_TO_POINTER(t));
1865 }
1866 }
1867 }
1868 result = g_slist_reverse(result);
1869 if (debug_get_mode()) {
1870 debug_print("flat imap set: ");
1871 for (cur = result; cur; cur = cur->next) {
1872 debug_print("%d ", GPOINTER_TO_INT(cur->data));
1873 }
1874 debug_print("\n");
1875 }
1876
1877 return result;
1878 }
1879 static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
1880 MsgInfoList *msglist, GHashTable *relation,
1881 gboolean same_dest_ok)
1882 {
1883 FolderItem *src;
1884 gchar *destdir;
1885 GSList *seq_list, *cur;
1886 MsgInfo *msginfo;
1887 IMAPSession *session;
1888 gint ok = MAILIMAP_NO_ERROR;
1889 GHashTable *uid_hash;
1890 gint last_num = 0;
1891
1892 g_return_val_if_fail(folder != NULL, -1);
1893 g_return_val_if_fail(dest != NULL, -1);
1894 g_return_val_if_fail(msglist != NULL, -1);
1895
1896 debug_print("getting session...\n");
1897 session = imap_session_get(folder);
1898
1899 if (!session) {
1900 return -1;
1901 }
1902
1903 msginfo = (MsgInfo *)msglist->data;
1904 src = msginfo->folder;
1905 if (!same_dest_ok && src == dest) {
1906 g_warning("the src folder is identical to the dest.");
1907 return -1;
1908 }
1909
1910 if (src->folder != dest->folder) {
1911 GSList *infolist = NULL, *cur;
1912 int res = -1;
1913 for (cur = msglist; cur; cur = cur->next) {
1914 msginfo = (MsgInfo *)cur->data;
1915 MsgFileInfo *fileinfo = g_new0(MsgFileInfo, 1);
1916 fileinfo->file = procmsg_get_message_file(msginfo);
1917 fileinfo->flags = &(msginfo->flags);
1918 infolist = g_slist_prepend(infolist, fileinfo);
1919 }
1920 infolist = g_slist_reverse(infolist);
1921 res = folder_item_add_msgs(dest, infolist, FALSE);
1922 for (cur = infolist; cur; cur = cur->next) {
1923 MsgFileInfo *info = (MsgFileInfo *)cur->data;
1924 g_free(info->file);
1925 g_free(info);
1926 }
1927 g_slist_free(infolist);
1928 return res;
1929 }
1930
1931 lock_session(session); /* unlocked later in the function */
1932
1933 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
1934 NULL, NULL, NULL, NULL, NULL, FALSE);
1935 if (ok != MAILIMAP_NO_ERROR) {
1936 return ok;
1937 }
1938
1939 unlock_session(session);
1940
1941 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
1942
1943 if (is_fatal(ok)) {
1944 g_free(destdir);
1945 return ok;
1946 }
1947
1948 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msglist);
1949 uid_hash = g_hash_table_new(g_direct_hash, g_direct_equal);
1950
1951 statusbar_print_all(_("Copying messages..."));
1952 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
1953 struct mailimap_set * seq_set;
1954 struct mailimap_set * source = NULL;
1955 struct mailimap_set * dest = NULL;
1956 seq_set = cur->data;
1957
1958 debug_print("Copying messages from %s to %s ...\n",
1959 src->path, destdir);
1960
1961 lock_session(session); /* unlocked later in the function */
1962 ok = imap_cmd_copy(session, seq_set, destdir,
1963 &source, &dest);
1964
1965 if (is_fatal(ok)) {
1966 session = NULL;
1967 }
1968
1969 if (ok == MAILIMAP_NO_ERROR) {
1970 unlock_session(session);
1971 if (relation && source && dest) {
1972 GSList *s_list = flatten_mailimap_set(source);
1973 GSList *d_list = flatten_mailimap_set(dest);
1974 GSList *s_cur, *d_cur;
1975 if (g_slist_length(s_list) == g_slist_length(d_list)) {
1976
1977 for (s_cur = s_list, d_cur = d_list;
1978 s_cur && d_cur;
1979 s_cur = s_cur->next, d_cur = d_cur->next) {
1980 g_hash_table_insert(uid_hash, s_cur->data, d_cur->data);
1981 }
1982
1983 } else {
1984 debug_print("hhhmm, source list length != dest list length.\n");
1985 }
1986 g_slist_free(s_list);
1987 g_slist_free(d_list);
1988 }
1989 }
1990
1991
1992 if (source)
1993 mailimap_set_free(source);
1994 if (dest)
1995 mailimap_set_free(dest);
1996
1997 if (ok != MAILIMAP_NO_ERROR) {
1998 g_hash_table_destroy(uid_hash);
1999 imap_lep_set_free(seq_list);
2000 statusbar_pop_all();
2001 return -1;
2002 }
2003 }
2004
2005 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
2006 MsgInfo *msginfo = (MsgInfo *)cur->data;
2007 gpointer hashval;
2008
2009 hashval = g_hash_table_lookup(uid_hash, GINT_TO_POINTER(msginfo->msgnum));
2010
2011 if (hashval != NULL) {
2012 gint num = GPOINTER_TO_INT(hashval);
2013 g_hash_table_insert(relation, msginfo,
2014 GINT_TO_POINTER(num));
2015 if (num > last_num)
2016 last_num = num;
2017 debug_print("copied message %d as %d\n", msginfo->msgnum, num);
2018 /* put the local file in the imapcache, so that we don't
2019 * have to fetch it back later. */
2020 if (num > 0) {
2021 gchar *cache_path = folder_item_get_path(msginfo->folder);
2022 gchar *real_file = g_strconcat(
2023 cache_path, G_DIR_SEPARATOR_S,
2024 itos(msginfo->msgnum), NULL);
2025 gchar *cache_file = NULL;
2026 g_free(cache_path);
2027 cache_path = folder_item_get_path(dest);
2028 cache_file = g_strconcat(
2029 cache_path, G_DIR_SEPARATOR_S,
2030 itos(num), NULL);
2031 if (!is_dir_exist(cache_path))
2032 make_dir_hier(cache_path);
2033 if (is_file_exist(real_file) && is_dir_exist(cache_path)) {
2034 if (copy_file(real_file, cache_file, TRUE) < 0)
2035 debug_print("couldn't cache to %s: %s\n", cache_file,
2036 strerror(errno));
2037 else
2038 debug_print("copied to cache: %s\n", cache_file);
2039 }
2040 g_free(real_file);
2041 g_free(cache_file);
2042 g_free(cache_path);
2043 }
2044 } else
2045 g_hash_table_insert(relation, msginfo,
2046 GINT_TO_POINTER(0));
2047 }
2048 statusbar_pop_all();
2049
2050 g_hash_table_destroy(uid_hash);
2051 imap_lep_set_free(seq_list);
2052
2053 g_free(destdir);
2054
2055 IMAP_FOLDER_ITEM(dest)->lastuid = 0;
2056 IMAP_FOLDER_ITEM(dest)->uid_next = 0;
2057 g_slist_free(IMAP_FOLDER_ITEM(dest)->uid_list);
2058 IMAP_FOLDER_ITEM(dest)->uid_list = NULL;
2059
2060 imap_scan_required(folder, dest);
2061 if (ok == MAILIMAP_NO_ERROR)
2062 return last_num;
2063 else
2064 return -1;
2065 }
2066
2067 static gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
2068 {
2069 GSList msglist;
2070
2071 g_return_val_if_fail(msginfo != NULL, -1);
2072
2073 msglist.data = msginfo;
2074 msglist.next = NULL;
2075
2076 return imap_copy_msgs(folder, dest, &msglist, NULL);
2077 }
2078
2079 static gint imap_copy_msgs(Folder *folder, FolderItem *dest,
2080 MsgInfoList *msglist, GHashTable *relation)
2081 {
2082 MsgInfo *msginfo;
2083 gint ret;
2084
2085 g_return_val_if_fail(folder != NULL, -1);
2086 g_return_val_if_fail(dest != NULL, -1);
2087 g_return_val_if_fail(msglist != NULL, -1);
2088
2089 msginfo = (MsgInfo *)msglist->data;
2090 g_return_val_if_fail(msginfo->folder != NULL, -1);
2091
2092 ret = imap_do_copy_msgs(folder, dest, msglist, relation, FALSE);
2093 return ret;
2094 }
2095
2096 static gboolean imap_matcher_type_is_local(gint matchertype)
2097 {
2098 switch (matchertype) {
2099 case MATCHCRITERIA_FROM:
2100 case MATCHCRITERIA_TO:
2101 case MATCHCRITERIA_CC:
2102 case MATCHCRITERIA_TO_OR_CC:
2103 case MATCHCRITERIA_SUBJECT:
2104 case MATCHCRITERIA_REFERENCES:
2105 case MATCHCRITERIA_MESSAGEID:
2106 case MATCHCRITERIA_INREPLYTO:
2107 case MATCHCRITERIA_AGE_GREATER:
2108 case MATCHCRITERIA_AGE_LOWER:
2109 case MATCHCRITERIA_FORWARDED:
2110 case MATCHCRITERIA_SPAM:
2111 case MATCHCRITERIA_UNREAD:
2112 case MATCHCRITERIA_NEW:
2113 case MATCHCRITERIA_MARKED:
2114 case MATCHCRITERIA_REPLIED:
2115 case MATCHCRITERIA_DELETED:
2116 case MATCHCRITERIA_SIZE_GREATER:
2117 case MATCHCRITERIA_SIZE_SMALLER:
2118 case MATCHCRITERIA_SIZE_EQUAL:
2119 return TRUE;
2120 }
2121 return FALSE;
2122 }
2123
2124 static IMAPSearchKey* search_make_key(MatcherProp* match, gboolean* is_all)
2125 {
2126 if (match->matchtype == MATCHTYPE_MATCHCASE || match->matchtype == MATCHTYPE_MATCH) {
2127 IMAPSearchKey* result = NULL;
2128 gboolean invert = FALSE;
2129 gint matchertype = match->criteria;
2130
2131 if (is_all) {
2132 *is_all = FALSE;
2133 }
2134
2135 switch (matchertype) {
2136 case MATCHCRITERIA_NOT_NEW: invert = TRUE; matchertype = MATCHCRITERIA_NEW; break;
2137 case MATCHCRITERIA_NOT_MARKED: invert = TRUE; matchertype = MATCHCRITERIA_MARKED; break;
2138 case MATCHCRITERIA_NOT_FORWARDED: invert = TRUE; matchertype = MATCHCRITERIA_FORWARDED; break;
2139 case MATCHCRITERIA_NOT_SPAM: invert = TRUE; matchertype = MATCHCRITERIA_SPAM; break;
2140 case MATCHCRITERIA_NOT_SUBJECT: invert = TRUE; matchertype = MATCHCRITERIA_SUBJECT; break;
2141 case MATCHCRITERIA_NOT_FROM: invert = TRUE; matchertype = MATCHCRITERIA_FROM; break;
2142 case MATCHCRITERIA_NOT_TO: invert = TRUE; matchertype = MATCHCRITERIA_TO; break;
2143 case MATCHCRITERIA_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_CC; break;
2144 case MATCHCRITERIA_NOT_REFERENCES: invert = TRUE; matchertype = MATCHCRITERIA_REFERENCES; break;
2145 case MATCHCRITERIA_NOT_HEADER: invert = TRUE; matchertype = MATCHCRITERIA_HEADER; break;
2146 case MATCHCRITERIA_NOT_TAG: invert = TRUE; matchertype = MATCHCRITERIA_TAG; break;
2147 case MATCHCRITERIA_NOT_HEADERS_PART: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_PART; break;
2148 case MATCHCRITERIA_NOT_HEADERS_CONT: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_CONT; break;
2149 case MATCHCRITERIA_NOT_MESSAGE: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGE; break;
2150 case MATCHCRITERIA_NOT_BODY_PART: invert = TRUE; matchertype = MATCHCRITERIA_BODY_PART; break;
2151 case MATCHCRITERIA_NOT_TO_AND_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_TO_OR_CC; break;
2152 case MATCHCRITERIA_NOT_MESSAGEID: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGEID; break;
2153 case MATCHCRITERIA_NOT_INREPLYTO: invert = TRUE; matchertype = MATCHCRITERIA_INREPLYTO; break;
2154 }
2155
2156 /*
2157 * this aborts conversion even for predicates understood by the following code.
2158 * while that might seem wasteful, claws local search for information listed below
2159 * has proven faster than IMAP search plus network roundtrips. once this changes,
2160 * consider removing these exceptions.
2161 */
2162 if (imap_matcher_type_is_local(matchertype))
2163 return NULL;
2164
2165 /* the Message-ID header is also cached */
2166 if (matchertype == MATCHCRITERIA_HEADER && g_strcmp0("Message-ID", match->header) == 0) {
2167 return NULL;
2168 }
2169
2170 switch (matchertype) {
2171 case MATCHCRITERIA_FORWARDED:
2172 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_FORWARDED, 0);
2173 break;
2174
2175 case MATCHCRITERIA_SPAM:
2176 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_JUNK, 0);
2177 break;
2178
2179 case MATCHCRITERIA_MESSAGEID:
2180 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "Message-ID", match->expr, 0);
2181 break;
2182
2183 case MATCHCRITERIA_INREPLYTO:
2184 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "In-Reply-To", match->expr, 0);
2185 break;
2186
2187 case MATCHCRITERIA_REFERENCES:
2188 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "References", match->expr, 0);
2189 break;
2190
2191 case MATCHCRITERIA_TO_OR_CC:
2192 result = imap_search_or(
2193 imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0),
2194 imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0)
2195 );
2196 break;
2197
2198 case MATCHCRITERIA_HEADERS_PART:
2199 case MATCHCRITERIA_HEADERS_CONT:
2200 result = imap_search_and(
2201 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0)),
2202 imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0)
2203 );
2204 break;
2205
2206 case MATCHCRITERIA_SIZE_EQUAL:
2207 result = imap_search_and(
2208 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value)),
2209 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value))
2210 );
2211 break;
2212
2213 case MATCHCRITERIA_NOT_UNREAD:
2214 result = imap_search_new(IMAP_SEARCH_CRITERIA_READ, NULL, NULL, 0);
2215 break;
2216
2217 case MATCHCRITERIA_UNREAD:
2218 result = imap_search_new(IMAP_SEARCH_CRITERIA_UNREAD, NULL, NULL, 0);
2219 break;
2220
2221 case MATCHCRITERIA_NEW:
2222 result = imap_search_new(IMAP_SEARCH_CRITERIA_NEW, NULL, NULL, 0);
2223 break;
2224
2225 case MATCHCRITERIA_MARKED:
2226 result = imap_search_new(IMAP_SEARCH_CRITERIA_MARKED, NULL, NULL, 0);
2227 break;
2228
2229 case MATCHCRITERIA_DELETED:
2230 result = imap_search_new(IMAP_SEARCH_CRITERIA_DELETED, NULL, NULL, 0);
2231 break;
2232
2233 case MATCHCRITERIA_REPLIED:
2234 result = imap_search_new(IMAP_SEARCH_CRITERIA_REPLIED, NULL, NULL, 0);
2235 break;
2236
2237 case MATCHCRITERIA_TAG:
2238 {
2239 gchar *tmp = imap_utf8_to_modified_utf7(match->expr, TRUE);
2240 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, tmp, 0);
2241 g_free(tmp);
2242 }
2243 break;
2244
2245 case MATCHCRITERIA_SUBJECT:
2246 result = imap_search_new(IMAP_SEARCH_CRITERIA_SUBJECT, NULL, match->expr, 0);
2247 break;
2248
2249 case MATCHCRITERIA_FROM:
2250 result = imap_search_new(IMAP_SEARCH_CRITERIA_FROM, NULL, match->expr, 0);
2251 break;
2252
2253 case MATCHCRITERIA_TO:
2254 result = imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0);
2255 break;
2256
2257 case MATCHCRITERIA_CC:
2258 result = imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0);
2259 break;
2260
2261 case MATCHCRITERIA_AGE_GREATER:
2262 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_GREATER, NULL, NULL, match->value);
2263 break;
2264
2265 case MATCHCRITERIA_AGE_LOWER:
2266 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_LOWER, NULL, NULL, match->value);
2267 break;
2268
2269 case MATCHCRITERIA_BODY_PART:
2270 result = imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0);
2271 break;
2272
2273 case MATCHCRITERIA_MESSAGE:
2274 result = imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0);
2275 break;
2276
2277 case MATCHCRITERIA_HEADER:
2278 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, match->header, match->expr, 0);
2279 break;
2280
2281 case MATCHCRITERIA_SIZE_GREATER:
2282 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value);
2283 break;
2284
2285 case MATCHCRITERIA_SIZE_SMALLER:
2286 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value);
2287 break;
2288
2289 default:
2290 result = imap_search_new(IMAP_SEARCH_CRITERIA_ALL, NULL, NULL, 0);
2291 if (is_all) {
2292 *is_all = TRUE;
2293 }
2294 break;
2295 }
2296
2297 if (invert) {
2298 result = imap_search_not(result);
2299 if (is_all && *is_all) {
2300 *is_all = FALSE;
2301 }
2302 }
2303
2304 return result;
2305 }
2306
2307 return NULL;
2308 }
2309
2310 static void imap_change_search_charset(IMAPFolder *folder)
2311 {
2312 /* If server supports charset in searches, but the last used one failed,
2313 * changed to the next preferred charset. If none are still available,
2314 * disable charset searches.
2315 * Charsets are tried in the following order:
2316 * UTF-8, locale's charset, UTF-7.
2317 */
2318
2319 if (folder->search_charset_supported) {
2320 if (folder->search_charset && !strcmp(folder->search_charset, conv_get_locale_charset_str_no_utf8()))
2321 folder->search_charset = "UTF-8";
2322 else if (folder->search_charset && !strcmp(folder->search_charset, "UTF-8"))
2323 folder->search_charset = "UTF-7";
2324 else {
2325 folder->search_charset = NULL;
2326 folder->search_charset_supported = FALSE;
2327 }
2328 }
2329 }
2330
2331 static MatcherProp *imap_matcher_prop_set_charset(IMAPFolder *folder,
2332 MatcherProp *utf8_prop,
2333 gchar **charset)
2334 {
2335 /* If the match is going to be done locally, or the criteria is on
2336 * tag (special-cased to modified-UTF-7), or the expression searched
2337 * is ASCII, don't bother converting.
2338 */
2339 if (imap_matcher_type_is_local(utf8_prop->criteria)
2340 || utf8_prop->criteria == MATCHCRITERIA_TAG
2341 || utf8_prop->criteria == MATCHCRITERIA_NOT_TAG
2342 || utf8_prop->expr == NULL
2343 || is_ascii_str(utf8_prop->expr))
2344 return matcherprop_new(utf8_prop->criteria,
2345 utf8_prop->header,
2346 utf8_prop->matchtype,
2347 utf8_prop->expr,
2348 utf8_prop->value);
2349 else {
2350 gchar *conv_expr = NULL;
2351
2352 /* If the search is server-side and the server doesn't support
2353 * searching with the charsets we handle, bail out.
2354 */
2355 if (folder->search_charset_supported == FALSE)
2356 return NULL;
2357
2358 /* Else, convert. */
2359 if (*charset == NULL)
2360 *charset = g_strdup(folder->search_charset);
2361
2362 conv_expr = conv_codeset_strdup(utf8_prop->expr, CS_UTF_8, *charset);
2363
2364 if (conv_expr == NULL)
2365 conv_expr = g_strdup(utf8_prop->expr);
2366
2367 return matcherprop_new(utf8_prop->criteria,
2368 utf8_prop->header,
2369 utf8_prop->matchtype,
2370 conv_expr,
2371 utf8_prop->value);
2372 }
2373 }
2374
2375 static gint search_msgs (Folder *folder,
2376 FolderItem *container,
2377 MsgNumberList **msgs,
2378 gboolean *on_server,
2379 MatcherList *predicate,
2380 SearchProgressNotify progress_cb,
2381 gpointer progress_data)
2382 {
2383 IMAPSearchKey* key = NULL;
2384 GSList* cur;
2385 int result = -1;
2386 clist* uidlist = NULL;
2387 gboolean server_filtering_useless = FALSE;
2388 IMAPSession *session;
2389 gchar *charset_to_use = NULL;
2390
2391 if (on_server == NULL || !*on_server) {
2392 return folder_item_search_msgs_local(folder, container, msgs, on_server,
2393 predicate, progress_cb, progress_data);
2394 }
2395
2396 for (cur = predicate->matchers; cur != NULL; cur = cur->next) {
2397 IMAPSearchKey* matcherPart = NULL;
2398 MatcherProp* prop = (MatcherProp*) cur->data;
2399 gboolean is_all;
2400 MatcherProp *imap_prop = imap_matcher_prop_set_charset(IMAP_FOLDER(folder), prop, &charset_to_use);
2401
2402 if (imap_prop == NULL) {
2403 /* Couldn't convert matcherprop to IMAP - probably not ascii
2404 * and server doesn't support the charsets we do. */
2405 return -1;
2406 }
2407
2408 matcherPart = search_make_key(imap_prop, &is_all);
2409
2410 matcherprop_free(imap_prop);
2411
2412 if (on_server) {
2413 *on_server &= matcherPart != NULL && prop->matchtype == MATCHTYPE_MATCHCASE;
2414 }
2415
2416 if (matcherPart) {
2417 if (key == NULL) {
2418 key = matcherPart;
2419 server_filtering_useless = is_all;
2420 } else if (predicate->bool_and) {
2421 key = imap_search_and(key, matcherPart);
2422 server_filtering_useless &= is_all;
2423 } else {
2424 key = imap_search_or(key, matcherPart);
2425 server_filtering_useless |= is_all;
2426 }
2427 }
2428 }
2429
2430 if (server_filtering_useless) {
2431 imap_search_free(key);
2432 key = NULL;
2433 }
2434
2435 if (key == NULL && progress_cb != NULL) {
2436 GSList* cur;
2437 GSList* list;
2438 int count = 0;
2439
2440 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2441 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2442
2443 list = folder_item_get_msg_list(container);
2444 for (cur = list; cur != NULL; cur = cur->next) {
2445 *msgs = g_slist_prepend(*msgs, GUINT_TO_POINTER(((MsgInfo*) cur->data)->msgnum));
2446 count++;
2447 }
2448 procmsg_msg_list_free(list);
2449
2450 *msgs = g_slist_reverse(*msgs);
2451
2452 return count;
2453 }
2454
2455 session = imap_session_get(folder);
2456 if (!session) {
2457 return -1;
2458 }
2459 result = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(container),
2460 NULL, NULL, NULL, NULL, NULL, TRUE);
2461 if (result != MAILIMAP_NO_ERROR)
2462 return -1;
2463
2464 if (progress_cb)
2465 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2466 result = imap_threaded_search(folder, IMAP_SEARCH_TYPE_KEYED, key, charset_to_use, NULL, &uidlist);
2467 if (progress_cb)
2468 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2469
2470 if (result == MAILIMAP_NO_ERROR) {
2471 gint result = 0;
2472
2473 *msgs = imap_uid_list_from_lep(uidlist, &result);
2474
2475 mailimap_search_result_free(uidlist);
2476
2477 if (charset_to_use != NULL)
2478 g_free(charset_to_use);
2479
2480 return result;
2481 } else if (charset_to_use != NULL) {
2482 /* If search failed and was on an 8-bit string, try the next
2483 * available charset to search if there still are some.
2484 */
2485 g_free(charset_to_use);
2486
2487 imap_change_search_charset(IMAP_FOLDER(folder));
2488 if (IMAP_FOLDER(folder)->search_charset_supported)
2489 return search_msgs(folder, container, msgs, on_server, predicate,
2490 progress_cb, progress_data);
2491 else
2492 return -1;
2493 } else {
2494 return -1;
2495 }
2496 }
2497
2498
2499 static gint imap_do_remove_msgs(Folder *folder, FolderItem *dest,
2500 MsgInfoList *msglist, GHashTable *relation)
2501 {
2502 gchar *destdir, *dir;
2503 GSList *numlist = NULL, *cur;
2504 MsgInfo *msginfo;
2505 IMAPSession *session;
2506 gint ok = MAILIMAP_NO_ERROR;
2507
2508 g_return_val_if_fail(folder != NULL, -1);
2509 g_return_val_if_fail(dest != NULL, -1);
2510 g_return_val_if_fail(msglist != NULL, -1);
2511
2512 debug_print("getting session...\n");
2513 session = imap_session_get(folder);
2514 if (!session) {
2515 return -1;
2516 }
2517
2518 lock_session(session); /* unlocked later in the function */
2519
2520 msginfo = (MsgInfo *)msglist->data;
2521
2522 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
2523 NULL, NULL, NULL, NULL, NULL, FALSE);
2524 if (ok != MAILIMAP_NO_ERROR) {
2525 return ok;
2526 }
2527
2528 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
2529 if (is_fatal(ok)) {
2530 g_free(destdir);
2531 return ok;
2532 }
2533 for (cur = msglist; cur; cur = cur->next) {
2534 msginfo = (MsgInfo *)cur->data;
2535 if (!MSG_IS_DELETED(msginfo->flags))
2536 numlist = g_slist_prepend(numlist, GINT_TO_POINTER(msginfo->msgnum));
2537 }
2538 numlist = g_slist_reverse(numlist);
2539
2540 if (numlist != NULL) {
2541 ok = imap_set_message_flags
2542 (session, IMAP_FOLDER_ITEM(msginfo->folder), numlist, IMAP_FLAG_DELETED, NULL, TRUE);
2543 if (ok != MAILIMAP_NO_ERROR) {
2544 log_warning(LOG_PROTOCOL, _("can't set deleted flags\n"));
2545 g_free(destdir);
2546 return ok;
2547 }
2548 } /* else we just need to expunge */
2549 ok = imap_cmd_expunge(session);
2550 if (ok != MAILIMAP_NO_ERROR) {
2551 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
2552 g_free(destdir);
2553 return ok;
2554 }
2555
2556 session->folder_content_changed = TRUE;
2557 unlock_session(session);
2558
2559 dir = folder_item_get_path(msginfo->folder);
2560 if (is_dir_exist(dir)) {
2561 for (cur = msglist; cur; cur = cur->next) {
2562 msginfo = (MsgInfo *)cur->data;
2563 remove_numbered_files(dir, msginfo->msgnum, msginfo->msgnum);
2564 }
2565 }
2566 g_free(dir);
2567
2568 g_slist_free(numlist);
2569
2570 imap_scan_required(folder, dest);
2571
2572 g_free(destdir);
2573
2574 return 0;
2575 }
2576
2577 static gint imap_remove_msgs(Folder *folder, FolderItem *dest,
2578 MsgInfoList *msglist, GHashTable *relation)
2579 {
2580 MsgInfo *msginfo;
2581
2582 g_return_val_if_fail(folder != NULL, -1);
2583 g_return_val_if_fail(dest != NULL, -1);
2584 if (msglist == NULL)
2585 return 0;
2586
2587 msginfo = (MsgInfo *)msglist->data;
2588 g_return_val_if_fail(msginfo->folder != NULL, -1);
2589
2590 return imap_do_remove_msgs(folder, dest, msglist, relation);
2591 }
2592
2593 static gint imap_remove_all_msg(Folder *folder, FolderItem *item)
2594 {
2595 GSList *list = folder_item_get_msg_list(item);
2596 gint res = imap_remove_msgs(folder, item, list, NULL);
2597 procmsg_msg_list_free(list);
2598 return res;
2599 }
2600
2601 static gboolean imap_is_msg_changed(Folder *folder, FolderItem *item,
2602 MsgInfo *msginfo)
2603 {
2604 /* TODO: properly implement this method */
2605 return FALSE;
2606 }
2607
2608 static gint imap_close(Folder *folder, FolderItem *item)
2609 {
2610 return 0;
2611 }
2612
2613 static gint imap_scan_tree_real(Folder *folder, gboolean subs_only)
2614 {
2615 FolderItem *item = NULL;
2616 IMAPSession *session;
2617 gchar *root_folder = NULL;
2618
2619 g_return_val_if_fail(folder != NULL, -1);
2620 g_return_val_if_fail(folder->account != NULL, -1);
2621
2622 debug_print("getting session...\n");
2623 session = imap_session_get(folder);
2624 if (!session) {
2625 if (!folder->node) {
2626 folder_tree_destroy(folder);
2627 item = folder_item_new(folder, folder->name, NULL);
2628 item->folder = folder;
2629 folder->node = item->node = g_node_new(item);
2630 }
2631 return -1;
2632 }
2633
2634 if (folder->account->imap_dir && *folder->account->imap_dir) {
2635 gchar *real_path;
2636 int r = MAILIMAP_NO_ERROR;
2637 clist * lep_list;
2638
2639 Xstrdup_a(root_folder, folder->account->imap_dir, {return -1;});
2640 extract_quote(root_folder, '"');
2641 subst_char(root_folder,
2642 imap_get_path_separator(session, IMAP_FOLDER(folder),
2643 root_folder, &r),
2644 '/');
2645 if (is_fatal(r))
2646 return -1;
2647 strtailchomp(root_folder, '/');
2648 real_path = imap_get_real_path
2649 (session, IMAP_FOLDER(folder), root_folder, &r);
2650 if (is_fatal(r)) {
2651 g_free(real_path);
2652 return -1;
2653 }
2654 debug_print("IMAP root directory: %s\n", real_path);
2655
2656 /* check if root directory exist */
2657
2658 r = imap_threaded_list(session->folder, "", real_path,
2659 &lep_list);
2660
2661 if (r != MAILIMAP_NO_ERROR)
2662 imap_handle_error(SESSION(session), NULL, r);
2663
2664 if ((r != MAILIMAP_NO_ERROR) || (clist_count(lep_list) == 0)) {
2665 if (!folder->node) {
2666 item = folder_item_new(folder, folder->name, NULL);
2667 item->folder = folder;
2668 folder->node = item->node = g_node_new(item);
2669 }
2670 return -1;
2671 }
2672 mailimap_list_result_free(lep_list);
2673
2674 g_free(real_path);
2675 }
2676
2677 if (folder->node)
2678 item = FOLDER_ITEM(folder->node->data);
2679
2680 if (item && !item->path && root_folder) {
2681 item->path = g_strdup(root_folder);
2682 }
2683
2684 if (!item || ((item->path || root_folder) &&
2685 strcmp2(item->path, root_folder) != 0)) {
2686 folder_tree_destroy(folder);
2687 item = folder_item_new(folder, folder->name, root_folder);
2688 item->folder = folder;
2689 folder->node = item->node = g_node_new(item);
2690 }
2691
2692 imap_scan_tree_recursive(session, FOLDER_ITEM(folder->node->data), subs_only);
2693 imap_create_missing_folders(folder);
2694
2695 return 0;
2696 }
2697
2698 static gint imap_scan_tree(Folder *folder)
2699 {
2700 gboolean subs_only = FALSE;
2701 if (folder->account) {
2702 debug_print(" scanning only subs %d\n", folder->account->imap_subsonly);
2703 subs_only = folder->account->imap_subsonly;
2704 }
2705 return imap_scan_tree_real(folder, subs_only);
2706 }
2707
2708 static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2709 {
2710 Folder *folder;
2711 IMAPFolder *imapfolder;
2712 FolderItem *new_item;
2713 GSList *item_list, *cur;
2714 GNode *node;
2715 gchar *real_path;
2716 gchar *wildcard_path;
2717 gchar separator;
2718 gchar wildcard[3];
2719 clist * lep_list;
2720 int r = MAILIMAP_NO_ERROR;
2721
2722 g_return_val_if_fail(item != NULL, -1);
2723 g_return_val_if_fail(item->folder != NULL, -1);
2724 g_return_val_if_fail(item->no_sub == FALSE, -1);
2725
2726 folder = item->folder;
2727 imapfolder = IMAP_FOLDER(folder);
2728
2729 separator = imap_get_path_separator(session, imapfolder, item->path, &r);
2730 if (is_fatal(r))
2731 return r;
2732
2733 if (folder->ui_func)
2734 folder->ui_func(folder, item, folder->ui_func_data);
2735
2736 if (item->path) {
2737 wildcard[0] = separator;
2738 wildcard[1] = '%';
2739 wildcard[2] = '\0';
2740 real_path = imap_get_real_path(session, imapfolder, item->path, &r);
2741 if (is_fatal(r)) {
2742 g_free(real_path);
2743 return r;
2744 }
2745 } else {
2746 wildcard[0] = '%';
2747 wildcard[1] = '\0';
2748 real_path = g_strdup("");
2749 }
2750
2751 Xstrcat_a(wildcard_path, real_path, wildcard,
2752 {g_free(real_path); return MAILIMAP_ERROR_BAD_STATE;});
2753 lep_list = NULL;
2754
2755 if (subs_only)
2756 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
2757 else
2758 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
2759
2760 if (r != MAILIMAP_NO_ERROR) {
2761 imap_handle_error(SESSION(session), NULL, r);
2762 item_list = NULL;
2763 g_free(real_path);
2764 return r;
2765 }
2766 else {
2767 item_list = imap_list_from_lep(imapfolder,
2768 lep_list, real_path, FALSE);
2769 mailimap_list_result_free(lep_list);
2770 }
2771
2772 g_free(real_path);
2773
2774 node = item->node->children;
2775 while (node != NULL) {
2776 FolderItem *old_item = FOLDER_ITEM(node->data);
2777 GNode *next = node->next;
2778
2779 new_item = NULL;
2780 for (cur = item_list; cur != NULL; cur = cur->next) {
2781 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2782 if (!strcmp2(old_item->path, cur_item->path)) {
2783 new_item = cur_item;
2784 break;
2785 }
2786 }
2787 if (!new_item) {
2788 if (old_item && old_item->path && !strcasecmp(old_item->path, "INBOX")) {
2789 debug_print("not removing INBOX\n");
2790 } else {
2791 debug_print("folder '%s' not found. removing...\n",
2792 old_item->path);
2793 folder_item_remove(old_item);
2794 }
2795 } else {
2796 old_item->no_sub = new_item->no_sub;
2797 old_item->no_select = new_item->no_select;
2798 if (old_item->no_sub == TRUE && node->children) {
2799 debug_print("folder '%s' doesn't have "
2800 "subfolders. removing...\n",
2801 old_item->path);
2802 folder_item_remove_children(old_item);
2803 }
2804 }
2805
2806 node = next;
2807 }
2808
2809 for (cur = item_list; cur != NULL; cur = cur->next) {
2810 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2811 new_item = NULL;
2812
2813 for (node = item->node->children; node != NULL;
2814 node = node->next) {
2815 if (!strcmp2(FOLDER_ITEM(node->data)->path,
2816 cur_item->path)) {
2817 new_item = FOLDER_ITEM(node->data);
2818 folder_item_destroy(cur_item);
2819 cur_item = NULL;
2820 break;
2821 }
2822 }
2823 if (!new_item) {
2824 new_item = cur_item;
2825 debug_print("new folder '%s' found.\n", new_item->path);
2826 folder_item_append(item, new_item);
2827 }
2828
2829 if (!strcasecmp(new_item->path, "INBOX")) {
2830 new_item->stype = F_INBOX;
2831 folder->inbox = new_item;
2832 } else if (!folder_item_parent(item) || item->stype == F_INBOX) {
2833 gchar *base;
2834
2835 base = g_path_get_basename(new_item->path);
2836
2837 if (!folder->outbox && !g_ascii_strcasecmp(base, "Sent")) {
2838 new_item->stype = F_OUTBOX;
2839 folder->outbox = new_item;
2840 } else if (!folder->draft && (!g_ascii_strcasecmp(base, "Drafts") || !g_ascii_strcasecmp(base, "Draft"))) {
2841 new_item->stype = F_DRAFT;
2842 folder->draft = new_item;
2843 } else if (!folder->queue && !g_ascii_strcasecmp(base, "Queue")) {
2844 new_item->stype = F_QUEUE;
2845 folder->queue = new_item;
2846 } else if (!folder->trash && !g_ascii_strcasecmp(base, "Trash")) {
2847 new_item->stype = F_TRASH;
2848 folder->trash = new_item;
2849 }
2850 g_free(base);
2851 }
2852
2853 if (new_item->no_sub == FALSE)
2854 imap_scan_tree_recursive(session, new_item, subs_only);
2855 }
2856
2857 g_slist_free(item_list);
2858
2859 return MAILIMAP_NO_ERROR;
2860 }
2861
2862 GList *imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
2863 {
2864 IMAPSession *session = imap_session_get(folder);
2865 gchar *real_path;
2866 gchar *wildcard_path;
2867 gchar separator;
2868 gchar wildcard[3];
2869 clist * lep_list;
2870 GSList *item_list = NULL, *cur;
2871 GList *child_list = NULL, *tmplist = NULL;
2872 GSList *sub_list = NULL;
2873 int r = MAILIMAP_NO_ERROR;
2874
2875 if (!session)
2876 return NULL;
2877
2878 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &r);
2879 if (is_fatal(r))
2880 return NULL;
2881
2882 if (item->path) {
2883 wildcard[0] = separator;
2884 wildcard[1] = '%';
2885 wildcard[2] = '\0';
2886 real_path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
2887 if (is_fatal(r)) {
2888 g_free(real_path);
2889 return NULL;
2890 }
2891 } else {
2892 wildcard[0] = '%';
2893 wildcard[1] = '\0';
2894 real_path = g_strdup("");
2895 }
2896
2897 Xstrcat_a(wildcard_path, real_path, wildcard,
2898 {g_free(real_path); return NULL;});
2899 lep_list = NULL;
2900
2901 if (unsubs_only)
2902 statusbar_print_all(_("Looking for unsubscribed folders in %s..."),
2903 item->path?item->path:item->name);
2904 else
2905 statusbar_print_all(_("Looking for subfolders of %s..."),
2906 item->path?item->path:item->name);
2907
2908 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
2909 if (r) {
2910 g_free(real_path);
2911 statusbar_pop_all();
2912 return NULL;
2913 }
2914 item_list = imap_list_from_lep(IMAP_FOLDER(folder),
2915 lep_list, real_path, FALSE);
2916 mailimap_list_result_free(lep_list);
2917
2918 for (cur = item_list; cur != NULL; cur = cur->next) {
2919 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2920 if (recursive) {
2921 tmplist = imap_scan_subtree(folder, cur_item,
2922 unsubs_only, recursive);
2923 if (tmplist)
2924 child_list = g_list_concat(child_list, tmplist);
2925 }
2926 child_list = g_list_prepend(child_list,
2927 imap_get_real_path(session,
2928 IMAP_FOLDER(folder), cur_item->path, &r));
2929 if (is_fatal(r)) {
2930 g_free(real_path);
2931 statusbar_pop_all();
2932 return NULL;
2933 }
2934 folder_item_destroy(cur_item);
2935 }
2936 child_list = g_list_reverse(child_list);
2937 g_slist_free(item_list);
2938
2939 if (unsubs_only) {
2940 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
2941 if (r) {
2942 g_free(real_path);
2943 statusbar_pop_all();
2944 return NULL;
2945 }
2946 sub_list = imap_list_from_lep(IMAP_FOLDER(folder),
2947 lep_list, real_path, FALSE);
2948 mailimap_list_result_free(lep_list);
2949
2950 for (cur = sub_list; cur != NULL; cur = cur->next) {
2951 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2952 GList *oldlitem = NULL;
2953 gchar *tmp = imap_get_real_path(session,
2954 IMAP_FOLDER(folder), cur_item->path, &r);
2955 if (r) {
2956 g_free(real_path);
2957 statusbar_pop_all();
2958 g_free(tmp);
2959 return NULL;
2960 }
2961 folder_item_destroy(cur_item);
2962 oldlitem = g_list_find_custom(
2963 child_list, tmp, (GCompareFunc)strcmp2);
2964 if (oldlitem) {
2965 child_list = g_list_remove_link(child_list, oldlitem);
2966 g_free(oldlitem->data);
2967 g_list_free(oldlitem);
2968 }
2969 g_free(tmp);
2970 }
2971 }
2972
2973 g_free(real_path);
2974 statusbar_pop_all();
2975
2976 return child_list;
2977 }
2978
2979 static gint imap_create_tree(Folder *folder)
2980 {
2981 g_return_val_if_fail(folder != NULL, -1);
2982 g_return_val_if_fail(folder->node != NULL, -1);
2983 g_return_val_if_fail(folder->node->data != NULL, -1);
2984 g_return_val_if_fail(folder->account != NULL, -1);
2985
2986 imap_scan_tree(folder);
2987 imap_create_missing_folders(folder);
2988
2989 return 0;
2990 }
2991
2992 static void imap_create_missing_folders(Folder *folder)
2993 {
2994 g_return_if_fail(folder != NULL);
2995
2996 if (!folder->inbox)
2997 folder->inbox = imap_create_special_folder
2998 (folder, F_INBOX, "INBOX");
2999 if (!folder->trash)
3000 folder->trash = imap_create_special_folder
3001 (folder, F_TRASH, "Trash");
3002 if (!folder->queue)
3003 folder->queue = imap_create_special_folder
3004 (folder, F_QUEUE, "Queue");
3005 if (!folder->outbox)
3006 folder->outbox = imap_create_special_folder
3007 (folder, F_OUTBOX, "Sent");
3008 if (!folder->draft)
3009 folder->draft = imap_create_special_folder
3010 (folder, F_DRAFT, "Drafts");
3011 }
3012
3013 static FolderItem *imap_create_special_folder(Folder *folder,
3014 SpecialFolderItemType stype,
3015 const gchar *name)
3016 {
3017 FolderItem *item;
3018 FolderItem *new_item;
3019
3020 g_return_val_if_fail(folder != NULL, NULL);
3021 g_return_val_if_fail(folder->node != NULL, NULL);
3022 g_return_val_if_fail(folder->node->data != NULL, NULL);
3023 g_return_val_if_fail(folder->account != NULL, NULL);
3024 g_return_val_if_fail(name != NULL, NULL);
3025
3026 item = FOLDER_ITEM(folder->node->data);
3027 new_item = imap_create_folder(folder, item, name);
3028
3029 if (!new_item) {
3030 g_warning("Can't create '%s'", name);
3031 if (!folder->inbox) return NULL;
3032
3033 new_item = imap_create_folder(folder, folder->inbox, name);
3034 if (!new_item)
3035 g_warning("Can't create '%s' under INBOX", name);
3036 else
3037 new_item->stype = stype;
3038 } else
3039 new_item->stype = stype;
3040
3041 return new_item;
3042 }
3043
3044 #ifdef G_OS_WIN32
3045 static gchar *imap_encode_unsafe_chars(const gchar *str)
3046 {
3047 gchar *ret = NULL, *o_ret;
3048 gchar *i;
3049 if (!str)
3050 return NULL;
3051 ret = g_malloc(3*strlen(str)+1);
3052 o_ret = ret;
3053 for (i = (gchar *)str; *i; i++) {
3054 switch(*i) {
3055 case ':':
3056 case '|':
3057 case '<':
3058 case '>':
3059 case '*':
3060 case '?':
3061 case '#':
3062 *ret++ = '%';
3063 *ret++ = '0'+(*i/10);
3064 *ret++ = '0'+(*i%10);
3065 break;
3066 default:
3067 *ret++ = *i;
3068 }
3069 }
3070 *ret++ = '\0';
3071 return o_ret;
3072 }
3073 #endif
3074 static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
3075 {
3076 gchar *folder_path, *path;
3077 gchar *item_path = NULL;
3078
3079 g_return_val_if_fail(folder != NULL, NULL);
3080 g_return_val_if_fail(folder->account != NULL, NULL);
3081 g_return_val_if_fail(item != NULL, NULL);
3082 folder_path = prefs_account_cache_dir(folder->account, FALSE);
3083
3084 g_return_val_if_fail(folder_path != NULL, NULL);
3085
3086 #ifdef G_OS_UNIX
3087 item_path = g_strdup(item->path);
3088 #else
3089 item_path = imap_encode_unsafe_chars(item->path);
3090 #endif
3091
3092 if (g_path_is_absolute(folder_path)) {
3093 if (item_path)
3094 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
3095 item_path, NULL);
3096 else
3097 path = g_strdup(folder_path);
3098 } else {
3099 if (item_path)
3100 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3101 folder_path, G_DIR_SEPARATOR_S,
3102 item_path, NULL);
3103 else
3104 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3105 folder_path, NULL);
3106 }
3107 g_free(folder_path);
3108 g_free(item_path);
3109 #ifdef G_OS_WIN32
3110 while (strchr(path, '/'))
3111 *strchr(path, '/') = '\\';
3112 #endif
3113
3114 return path;
3115 }
3116
3117 static FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
3118 const gchar *name)
3119 {
3120 gchar *dirpath, *imap_path;
3121 IMAPSession *session;
3122 FolderItem *new_item;
3123 gchar separator;
3124 gchar *new_name;
3125 const gchar *p;
3126 gint ok = MAILIMAP_NO_ERROR;
3127 gboolean no_select = FALSE, no_sub = FALSE;
3128 gboolean exist = FALSE;
3129
3130 g_return_val_if_fail(folder != NULL, NULL);
3131 g_return_val_if_fail(folder->account != NULL, NULL);
3132 g_return_val_if_fail(parent != NULL, NULL);
3133 g_return_val_if_fail(name != NULL, NULL);
3134
3135 if (to_number(name) > 0) {
3136 gchar *cached_msg = imap_get_cached_filename(parent, to_number(name));
3137 if (is_file_exist(cached_msg)) {
3138 if (claws_unlink(cached_msg) != 0) {
3139 return NULL;
3140 }
3141 }
3142 }
3143
3144 debug_print("getting session...\n");
3145 session = imap_session_get(folder);
3146 if (!session) {
3147 return NULL;
3148 }
3149
3150 if (!folder_item_parent(parent) && strcasecmp(name, "INBOX") == 0) {
3151 dirpath = g_strdup(name);
3152 }else if (parent->path)
3153 dirpath = g_strconcat(parent->path, "/", name, NULL);
3154 else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
3155 dirpath = g_strdup(name);
3156 else if (folder->account->imap_dir && *folder->account->imap_dir) {
3157 gchar *imap_dir;
3158
3159 Xstrdup_a(imap_dir, folder->account->imap_dir, {return NULL;});
3160 strtailchomp(imap_dir, '/');
3161 dirpath = g_strconcat(imap_dir, "/", name, NULL);
3162 } else
3163 dirpath = g_strdup(name);
3164
3165
3166
3167 /* keep trailing directory separator to create a folder that contains
3168 sub folder */
3169 imap_path = imap_utf8_to_modified_utf7(dirpath, FALSE);
3170
3171 strtailchomp(dirpath, '/');
3172 Xstrdup_a(new_name, name, {
3173 g_free(dirpath);
3174 g_free(imap_path);
3175 return NULL;});
3176
3177 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), imap_path, &ok);
3178 if (is_fatal(ok)) {
3179 g_free(imap_path);
3180 return NULL;
3181 }
3182 imap_path_separator_subst(imap_path, separator);
3183 /* remove trailing / for display */
3184 strtailchomp(new_name, '/');
3185
3186 if (strcasecmp(dirpath, "INBOX") != 0) {
3187 GPtrArray *argbuf;
3188 int r;
3189 clist * lep_list;
3190
3191 argbuf = g_ptr_array_new();
3192 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3193 if (r != MAILIMAP_NO_ERROR) {
3194 imap_handle_error(SESSION(session), NULL, r);
3195 log_warning(LOG_PROTOCOL, _("can't create mailbox: LIST failed\n"));
3196 g_free(imap_path);
3197 g_free(dirpath);
3198 ptr_array_free_strings(argbuf);
3199 g_ptr_array_free(argbuf, TRUE);
3200 return NULL;
3201 }
3202
3203 if (clist_count(lep_list) > 0)
3204 exist = TRUE;
3205 mailimap_list_result_free(lep_list);
3206 lep_list = NULL;
3207 if (!exist) {
3208 ok = imap_cmd_create(session, imap_path);
3209 if (ok != MAILIMAP_NO_ERROR) {
3210 log_warning(LOG_PROTOCOL, _("can't create mailbox\n"));
3211 g_free(imap_path);
3212 g_free(dirpath);
3213 return NULL;
3214 }
3215 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3216 if (r == MAILIMAP_NO_ERROR) {
3217 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3218 lep_list, dirpath, TRUE);
3219 if (item_list) {
3220 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3221 no_select = cur_item->no_select;
3222 no_sub = cur_item->no_sub;
3223 g_slist_free(item_list);
3224 }
3225 mailimap_list_result_free(lep_list);
3226 } else {
3227 imap_handle_error(SESSION(session), NULL, r);
3228 }
3229 }
3230 imap_threaded_subscribe(folder, imap_path, TRUE);
3231 } else {
3232 clist *lep_list;
3233 int r;
3234 /* just get flags */
3235 r = imap_threaded_list(folder, "", "INBOX", &lep_list);
3236 if (r == MAILIMAP_NO_ERROR) {
3237 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3238 lep_list, dirpath, TRUE);
3239 if (item_list) {
3240 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3241 no_select = cur_item->no_select;
3242 no_sub = cur_item->no_sub;
3243 g_slist_free(item_list);
3244 }
3245 mailimap_list_result_free(lep_list);
3246 } else {
3247 imap_handle_error(SESSION(session), NULL, r);
3248 }
3249 }
3250
3251 new_item = folder_item_new(folder, new_name, dirpath);
3252 new_item->no_select = no_select;
3253 new_item->no_sub = no_sub;
3254 folder_item_append(parent, new_item);
3255 g_free(imap_path);
3256 g_free(dirpath);
3257
3258 dirpath = folder_item_get_path(new_item);
3259 if (!is_dir_exist(dirpath))
3260 make_dir_hier(dirpath);
3261 g_free(dirpath);
3262
3263 if (exist) {
3264 /* folder existed, scan it */
3265 imap_scan_required(folder, new_item);
3266 folder_item_scan_full(new_item, FALSE);
3267 }
3268
3269 return new_item;
3270 }
3271
3272 static gint imap_rename_folder(Folder *folder, FolderItem *item,
3273 const gchar *name)
3274 {
3275 gchar *dirpath;
3276 gchar *newpath;
3277 gchar *real_oldpath;
3278 gchar *real_newpath;
3279 gchar *paths[2];
3280 gchar *old_cache_dir;
3281 gchar *new_cache_dir;
3282 IMAPSession *session;
3283 gchar separator;
3284 gint ok = MAILIMAP_NO_ERROR;
3285 gint exists, recent, unseen;
3286 guint32 uid_validity;
3287
3288 g_return_val_if_fail(folder != NULL, -1);
3289 g_return_val_if_fail(item != NULL, -1);
3290 g_return_val_if_fail(item->path != NULL, -1);
3291 g_return_val_if_fail(name != NULL, -1);
3292
3293 debug_print("getting session...\n");
3294 session = imap_session_get(folder);
3295 if (!session) {
3296 return -1;
3297 }
3298
3299 if (strchr(name, imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok)) != NULL ||
3300 is_fatal(ok)) {
3301 g_warning("New folder name must not contain the namespace "
3302 "path separator");
3303 return -1;
3304 }
3305
3306 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3307 if (is_fatal(ok)) {
3308 g_free(real_oldpath);
3309 return -1;
3310 }
3311
3312 g_free(session->mbox);
3313 session->mbox = NULL;
3314 session->exists = 0;
3315 session->recent = 0;
3316 session->expunge = 0;
3317 ok = imap_cmd_examine(session, "INBOX",
3318 &exists, &recent, &unseen, &uid_validity, FALSE);
3319 if (ok != MAILIMAP_NO_ERROR) {
3320 g_free(real_oldpath);
3321 return -1;
3322 }
3323
3324 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok);
3325 if (is_fatal(ok)) {
3326 g_free(real_oldpath);
3327 return -1;
3328 }
3329 if (strchr(item->path, '/')) {
3330 dirpath = g_path_get_dirname(item->path);
3331 newpath = g_strconcat(dirpath, "/", name, NULL);
3332 g_free(dirpath);
3333 } else
3334 newpath = g_strdup(name);
3335
3336 real_newpath = imap_utf8_to_modified_utf7(newpath, FALSE);
3337 imap_path_separator_subst(real_newpath, separator);
3338
3339 ok = imap_cmd_rename(session, real_oldpath, real_newpath);
3340 if (ok != MAILIMAP_NO_ERROR) {
3341 log_warning(LOG_PROTOCOL, _("can't rename mailbox: %s to %s\n"),
3342 real_oldpath, real_newpath);
3343 g_free(real_oldpath);
3344 g_free(newpath);
3345 g_free(real_newpath);
3346 return -1;
3347 }
3348 g_free(item->name);
3349 item->name = g_strdup(name);
3350
3351 old_cache_dir = folder_item_get_path(item);
3352
3353 paths[0] = g_strdup(item->path);
3354 paths[1] = newpath;
3355 g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
3356 imap_rename_folder_func, paths);
3357
3358 if (is_dir_exist(old_cache_dir)) {
3359 new_cache_dir = folder_item_get_path(item);
3360 if (g_rename(old_cache_dir, new_cache_dir) < 0) {
3361 FILE_OP_ERROR(old_cache_dir, "rename");
3362 }
3363 g_free(new_cache_dir);
3364 }
3365
3366 g_free(old_cache_dir);
3367 g_free(paths[0]);
3368 g_free(newpath);
3369 g_free(real_oldpath);
3370 g_free(real_newpath);
3371 return 0;
3372 }
3373
3374 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
3375 {
3376 gchar *path;
3377 gint r = MAILIMAP_NO_ERROR;
3378 IMAPSession *session;
3379 debug_print("getting session...\n");
3380
3381 session = imap_session_get(folder);
3382 if (!session) {
3383 return -1;
3384 }
3385 if (item && item->path) {
3386 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
3387 if (!path)
3388 return -1;
3389 if (is_fatal(r)) {
3390 g_free(path);
3391 return -1;
3392 }
3393 if (!strcasecmp(path, "INBOX") && sub == FALSE) {
3394 g_free(path);
3395 return -1;
3396 }
3397 debug_print("%ssubscribing %s\n", sub?"":"un", path);
3398 r = imap_threaded_subscribe(folder, path, sub);
3399 g_free(path);
3400 } else if (rpath) {
3401 r = imap_threaded_subscribe(folder, rpath, sub);
3402 } else
3403 return -1;
3404 return r;
3405 }
3406
3407 static gint imap_remove_folder_real(Folder *folder, FolderItem *item)
3408 {
3409 gint ok = MAILIMAP_NO_ERROR;
3410 IMAPSession *session;
3411 gchar *path;
3412 gchar *cache_dir;
3413 gboolean selected_folder;
3414
3415 g_return_val_if_fail(folder != NULL, -1);
3416 g_return_val_if_fail(item != NULL, -1);
3417 g_return_val_if_fail(item->path != NULL, -1);
3418
3419 debug_print("getting session...\n");
3420 session = imap_session_get(folder);
3421 if (!session) {
3422 return -1;
3423 }
3424 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3425 if (is_fatal(ok)) {
3426 g_free(path);
3427 return -1;
3428 }
3429 imap_threaded_subscribe(folder, path, FALSE);
3430
3431 selected_folder = (session->mbox != NULL) &&
3432 (!strcmp(session->mbox, item->path));
3433 if (selected_folder) {
3434 ok = imap_cmd_close(session);
3435 if (ok != MAILIMAP_NO_ERROR) {
3436 debug_print("close err %d\n", ok);
3437 return ok;
3438 }
3439 }
3440 ok = imap_cmd_delete(session, path);
3441 if (ok != MAILIMAP_NO_ERROR && !is_fatal(ok)) {
3442 gchar *tmp = NULL;
3443
3444 ok = MAILIMAP_NO_ERROR;
3445 tmp = g_strdup_printf("%s%c", path,
3446 imap_get_path_separator(session, IMAP_FOLDER(folder), path, &ok));
3447 g_free(path);
3448 path = tmp;
3449 if (!is_fatal(ok))
3450 ok = imap_cmd_delete(session, path);
3451 }
3452
3453 if (ok != MAILIMAP_NO_ERROR) {
3454 log_warning(LOG_PROTOCOL, _("can't delete mailbox\n"));
3455 g_free(path);
3456 return -1;
3457 }
3458
3459 g_free(path);
3460 cache_dir = folder_item_get_path(item);
3461 if (is_dir_exist(cache_dir) && remove_dir_recursive(cache_dir) < 0)
3462 g_warning("can't remove directory '%s'", cache_dir);
3463 g_free(cache_dir);
3464 folder_item_remove(item);
3465 return 0;
3466 }
3467
3468 static gint imap_remove_folder(Folder *folder, FolderItem *item)
3469 {
3470 GNode *node, *next;
3471
3472 g_return_val_if_fail(item != NULL, -1);
3473 g_return_val_if_fail(item->folder != NULL, -1);
3474 g_return_val_if_fail(item->node != NULL, -1);
3475
3476 node = item->node->children;
3477 while (node != NULL) {
3478 next = node->next;
3479 if (imap_remove_folder(folder, FOLDER_ITEM(node->data)) < 0)
3480 return -1;
3481 node = next;
3482 }
3483 debug_print("IMAP removing %s\n", item->path);
3484
3485 if (imap_remove_all_msg(folder, item) < 0)
3486 return -1;
3487 return imap_remove_folder_real(folder, item);
3488 }
3489
3490 typedef struct _uncached_data {
3491 IMAPSession *session;
3492 FolderItem *item;
3493 MsgNumberList *numlist;
3494 guint cur;
3495 guint total;
3496 gboolean done;
3497 int ok;
3498 } uncached_data;
3499
3500 static void *imap_get_uncached_messages_thread(void *data)
3501 {
3502 uncached_data *stuff = (uncached_data *)data;
3503 IMAPSession *session = stuff->session;
3504 FolderItem *item = stuff->item;
3505 MsgNumberList *numlist = stuff->numlist;
3506 GSList *newlist = NULL;
3507 GSList *llast = NULL;
3508 GSList *seq_list, *cur;
3509 gboolean got_alien_tags = FALSE;
3510
3511 debug_print("uncached_messages\n");
3512
3513 if (session == NULL || item == NULL || item->folder == NULL
3514 || FOLDER_CLASS(item->folder) != &imap_class) {
3515 stuff->done = TRUE;
3516 return NULL;
3517 }
3518
3519 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(item->folder), numlist);
3520 debug_print("get msgs info\n");
3521 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
3522 struct mailimap_set * imapset;
3523 unsigned int i;
3524 int r;
3525 carray * env_list;
3526 int count;
3527
3528 if (session->cancelled)
3529 break;
3530
3531 imapset = cur->data;
3532
3533 r = imap_threaded_fetch_env(session->folder,
3534 imapset, &env_list);
3535 if (r != MAILIMAP_NO_ERROR) {
3536 imap_handle_error(SESSION(session), NULL, r);
3537 if (is_fatal(r)) {
3538 stuff->ok = r;
3539 return NULL;
3540 }
3541 continue;
3542 }
3543
3544 session_set_access_time(SESSION(session));
3545
3546 count = 0;
3547 for(i = 0 ; i < carray_count(env_list) ; i += 2) {
3548 struct imap_fetch_env_info * info;
3549 MsgInfo * msginfo;
3550 GSList *tags = NULL, *cur = NULL;
3551 info = carray_get(env_list, i);
3552 tags = carray_get(env_list, i+1);
3553 msginfo = imap_envelope_from_lep(info, item);
3554 if (msginfo == NULL) {
3555 slist_free_strings_full(tags);
3556 continue;
3557 }
3558 g_slist_free(msginfo->tags);
3559 msginfo->tags = NULL;
3560
3561 for (cur = tags; cur; cur = cur->next) {
3562 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
3563 gint id = 0;
3564 id = tags_get_id_for_str(real_tag);
3565 if (id == -1) {
3566 id = tags_add_tag(real_tag);
3567 got_alien_tags = TRUE;
3568 }
3569 if (!g_slist_find(msginfo->tags, GINT_TO_POINTER(id))) {
3570 msginfo->tags = g_slist_prepend(
3571 msginfo->tags,
3572 GINT_TO_POINTER(id));
3573 }
3574 g_free(real_tag);
3575 }
3576 if (msginfo->tags)
3577 msginfo->tags = g_slist_reverse(msginfo->tags);
3578 slist_free_strings_full(tags);
3579 msginfo->folder = item;
3580 if (!newlist)
3581 llast = newlist = g_slist_append(newlist, msginfo);
3582 else {
3583 llast = g_slist_append(llast, msginfo);
3584 llast = llast->next;
3585 }
3586 count ++;
3587 }
3588
3589 imap_fetch_env_free(env_list);
3590 }
3591
3592 if (got_alien_tags) {
3593 tags_write_tags();
3594 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
3595 }
3596
3597 imap_lep_set_free(seq_list);
3598
3599 session_set_access_time(SESSION(session));
3600 stuff->done = TRUE;
3601 return newlist;
3602 }
3603
3604 #define MAX_MSG_NUM 50
3605
3606 static GSList *imap_get_uncached_messages(IMAPSession *session,
3607 FolderItem *item,
3608 MsgNumberList *numlist,
3609 int *r)
3610 {
3611 GSList *result = NULL;
3612 GSList * cur;
3613 uncached_data *data = g_new0(uncached_data, 1);
3614
3615 cur = numlist;
3616 data->total = g_slist_length(numlist);
3617 data->ok = MAILIMAP_NO_ERROR;
3618 debug_print("messages list : %i\n", data->total);
3619
3620 while (cur != NULL) {
3621 GSList * partial_result;
3622 int count;
3623 GSList * newlist;
3624 GSList * llast;
3625
3626 llast = NULL;
3627 count = 0;
3628 newlist = NULL;
3629 while (count < MAX_MSG_NUM) {
3630 void * p;
3631
3632 p = cur->data;
3633
3634 if (newlist == NULL)
3635 llast = newlist = g_slist_append(newlist, p);
3636 else {
3637 llast = g_slist_append(llast, p);
3638 llast = llast->next;
3639 }
3640 count ++;
3641
3642 cur = cur->next;
3643 if (cur == NULL)
3644 break;
3645 }
3646
3647 data->done = FALSE;
3648 data->session = session;
3649 data->item = item;
3650 data->numlist = newlist;
3651 data->cur += count;
3652
3653 if (prefs_common.work_offline &&
3654 !inc_offline_should_override(FALSE,
3655 _("Claws Mail needs network access in order "
3656 "to access the IMAP server."))) {
3657 g_free(data);
3658 return NULL;
3659 }
3660
3661 partial_result =
3662 (GSList *)imap_get_uncached_messages_thread(data);
3663 *r = data->ok;
3664 if (data->ok != MAILIMAP_NO_ERROR) {
3665 goto bail;
3666 }
3667 statusbar_progress_all(data->cur,data->total, 1);
3668
3669 g_slist_free(newlist);
3670
3671 result = g_slist_concat(result, partial_result);
3672 }
3673 bail:
3674 g_free(data);
3675
3676 statusbar_progress_all(0,0,0);
3677 statusbar_pop_all();
3678
3679 return result;
3680 }
3681
3682 static void imap_delete_all_cached_messages(FolderItem *item)
3683 {
3684 gchar *dir;
3685
3686 g_return_if_fail(item != NULL);
3687 g_return_if_fail(item->folder != NULL);
3688 g_return_if_fail(FOLDER_CLASS(item->folder) == &imap_class);
3689
3690 debug_print("Deleting all cached messages...\n");
3691
3692 dir = folder_item_get_path(item);
3693 if (is_dir_exist(dir))
3694 remove_all_numbered_files(dir);
3695 g_free(dir);
3696
3697 debug_print("Deleting all cached messages done.\n");
3698 }
3699
3700 gchar imap_get_path_separator_for_item(FolderItem *item)
3701 {
3702 Folder *folder = NULL;
3703 IMAPFolder *imap_folder = NULL;
3704 IMAPSession *session = NULL;
3705 gchar result = '/';
3706 gint ok = MAILIMAP_NO_ERROR;
3707 if (!item)
3708 return '/';
3709 folder = item->folder;
3710
3711 if (!folder)
3712 return '/';
3713
3714 imap_folder = IMAP_FOLDER(folder);
3715
3716 debug_print("getting session...\n");
3717 session = imap_session_get(FOLDER(folder));
3718 result = imap_get_path_separator(session, imap_folder, item->path, &ok);
3719 return result;
3720 }
3721
3722 static gchar imap_refresh_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *subfolder, gint *ok)
3723 {
3724 clist * lep_list;
3725 int r;
3726 gchar separator = '\0';
3727
3728 g_return_val_if_fail(session != NULL, '/');
3729 r = imap_threaded_list((Folder *)folder, "", subfolder, &lep_list);
3730
3731 if (r != MAILIMAP_NO_ERROR) {
3732 imap_handle_error(SESSION(session), NULL, r);
3733 log_warning(LOG_PROTOCOL, _("LIST failed\n"));
3734 *ok = r;
3735 return '\0';
3736 }
3737
3738 if (lep_list != NULL && clist_count(lep_list) > 0) {
3739 clistiter * iter = clist_begin(lep_list);
3740 struct mailimap_mailbox_list * mb;
3741 mb = clist_content(iter);
3742
3743 separator = mb->mb_delimiter;
3744 debug_print("got separator: %c\n", folder->last_seen_separator);
3745 }
3746 *ok = MAILIMAP_NO_ERROR;
3747 mailimap_list_result_free(lep_list);
3748 return separator;
3749 }
3750
3751 static gchar imap_get_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3752 {
3753 gchar separator = '/';
3754 *ok = MAILIMAP_NO_ERROR;
3755 if (folder->last_seen_separator == 0) {
3756 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "", ok);
3757 }
3758
3759 if (folder->last_seen_separator == 0) {
3760 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "INBOX", ok);
3761 }
3762
3763 if (folder->last_seen_separator != 0) {
3764 debug_print("using separator: %c\n", folder->last_seen_separator);
3765 return folder->last_seen_separator;
3766 }
3767
3768 return separator;
3769 }
3770
3771 static gchar *imap_get_real_path(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3772 {
3773 gchar *real_path = NULL;
3774 gchar separator;
3775
3776 g_return_val_if_fail(folder != NULL, NULL);
3777 g_return_val_if_fail(path != NULL, NULL);
3778
3779 *ok = MAILIMAP_NO_ERROR;
3780
3781 real_path = imap_utf8_to_modified_utf7(path, FALSE);
3782 separator = imap_get_path_separator(session, folder, path, ok);
3783 if (*ok == MAILIMAP_NO_ERROR)
3784 imap_path_separator_subst(real_path, separator);
3785
3786 return real_path;
3787 }
3788
3789 static gint imap_set_message_flags(IMAPSession *session,
3790 IMAPFolderItem *item,
3791 MsgNumberList *numlist,
3792 IMAPFlags flags,
3793 GSList *tags,
3794 gboolean is_set)
3795 {
3796 gint ok = 0;
3797 GSList *seq_list;
3798 GSList * cur;
3799 gint total = 0;
3800 IMAPFolder *folder = NULL;
3801 GSList *sorted_list = NULL;
3802
3803 if (numlist == NULL || session == NULL)
3804 return MAILIMAP_ERROR_BAD_STATE;
3805
3806 folder = IMAP_FOLDER(session->folder);
3807
3808 sorted_list = g_slist_copy(numlist);
3809 sorted_list = g_slist_sort(sorted_list, g_int_compare);
3810
3811 cur = g_slist_last(sorted_list);
3812
3813 if (cur)
3814 total = GPOINTER_TO_INT(cur->data);
3815
3816 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(session->folder), sorted_list);
3817
3818 statusbar_print_all(_("Flagging messages..."));
3819
3820 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
3821 struct mailimap_set * imapset = (struct mailimap_set *)cur->data;
3822 struct mailimap_set_item *set_item = NULL;
3823
3824 if (imapset->set_list)
3825 set_item = clist_content(clist_begin(imapset->set_list));
3826 else
3827 continue;
3828
3829 if (set_item == NULL)
3830 continue;
3831
3832 statusbar_progress_all(set_item->set_first, total, 1);
3833
3834 ok = imap_cmd_store(session, item, imapset,
3835 flags, tags, is_set);
3836 statusbar_progress_all(set_item->set_last, total, 1);
3837 if (ok != MAILIMAP_NO_ERROR && folder->max_set_size > 20) {
3838 /* reduce max set size */
3839 folder->max_set_size /= 2;
3840 }
3841 if (ok != MAILIMAP_NO_ERROR && is_fatal(ok)) {
3842 break;
3843 }
3844 }
3845
3846 g_slist_free(sorted_list);
3847
3848 statusbar_progress_all(0,0,0);
3849 statusbar_pop_all();
3850
3851 imap_lep_set_free(seq_list);
3852
3853 return ok;
3854 }
3855
3856 typedef struct _select_data {
3857 IMAPSession *session;
3858 gchar *real_path;
3859 gint *exists;
3860 gint *recent;
3861 gint *unseen;
3862 guint32 *uid_validity;
3863 gboolean done;
3864 } select_data;
3865
3866 static gint imap_select(IMAPSession *session, IMAPFolder *folder,
3867 FolderItem *item,
3868 gint *exists, gint *recent, gint *unseen,
3869 guint32 *uid_validity, gint *can_create_flags,
3870 gboolean block)
3871 {
3872 gchar *real_path;
3873 gint ok = MAILIMAP_NO_ERROR;
3874 gint exists_, recent_, unseen_;
3875 guint32 uid_validity_;
3876 gint can_create_flags_;
3877 const gchar *path = item ? item->path:NULL;
3878
3879 if (!item) {
3880 return MAILIMAP_ERROR_BAD_STATE;
3881 }
3882
3883 if (!exists && !recent && !unseen && !uid_validity && !can_create_flags) {
3884 if (session->mbox && strcmp(session->mbox, path) == 0)
3885 return MAILIMAP_NO_ERROR;
3886 }
3887 if (!exists && !recent && !unseen && !uid_validity && can_create_flags) {
3888 if (session->mbox && strcmp(session->mbox, path) == 0) {
3889 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS_UNKNOWN)
3890 return MAILIMAP_NO_ERROR;
3891 }
3892 }
3893 if (!exists)
3894 exists = &exists_;
3895 if (!recent)
3896 recent = &recent_;
3897 if (!unseen)
3898 unseen = &unseen_;
3899 if (!uid_validity)
3900 uid_validity = &uid_validity_;
3901 if (!can_create_flags)
3902 can_create_flags = &can_create_flags_;
3903
3904 g_free(session->mbox);
3905 session->mbox = NULL;
3906 session->exists = 0;
3907 session->recent = 0;
3908 session->expunge = 0;
3909
3910 real_path = imap_get_real_path(session, folder, path, &ok);
3911 if (is_fatal(ok)) {
3912 g_free(real_path);
3913 return ok;
3914 }
3915 g_slist_free(IMAP_FOLDER_ITEM(item)->ok_flags);
3916 IMAP_FOLDER_ITEM(item)->ok_flags = NULL;
3917 ok = imap_cmd_select(session, real_path,
3918 exists, recent, unseen, uid_validity, can_create_flags,
3919 &(IMAP_FOLDER_ITEM(item)->ok_flags), block);
3920 if (ok != MAILIMAP_NO_ERROR) {
3921 log_warning(LOG_PROTOCOL, _("can't select folder: %s\n"), real_path);
3922 } else {
3923 session->mbox = g_strdup(path);
3924 session->folder_content_changed = FALSE;
3925 session->exists = *exists;
3926 session->recent = *recent;
3927 session->expunge = 0;
3928 session->unseen = *unseen;
3929 session->uid_validity = *uid_validity;
3930 debug_print("select: exists %d recent %d expunge %d uid_validity %d can_create_flags %d\n",
3931 session->exists, session->recent, session->expunge,
3932 session->uid_validity, *can_create_flags);
3933 }
3934 if (*can_create_flags) {
3935 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CAN_CREATE_FLAGS;
3936 } else {
3937 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CANNOT_CREATE_FLAGS;
3938 }
3939 g_free(real_path);
3940
3941 return ok;
3942 }
3943
3944 static gint imap_status(IMAPSession *session, IMAPFolder *folder,
3945 const gchar *path, IMAPFolderItem *item,
3946 gint *messages,
3947 guint32 *uid_next, guint32 *uid_validity,
3948 gint *unseen, gboolean block)
3949 {
3950 int r = MAILIMAP_NO_ERROR;
3951 clistiter * iter;
3952 struct mailimap_mailbox_data_status * data_status;
3953 int got_values;
3954 gchar *real_path;
3955 guint mask = 0;
3956
3957 real_path = imap_get_real_path(session, folder, path, &r);
3958 if (is_fatal(r)) {
3959 g_free(real_path);
3960 return r;
3961 }
3962 if (messages) {
3963 mask |= 1 << 0;
3964 *messages = 0;
3965 }
3966 if (uid_next) {
3967 mask |= 1 << 2;
3968 *uid_next = 0;
3969 }
3970 if (uid_validity) {
3971 mask |= 1 << 3;
3972 *uid_validity = 0;
3973 }
3974 if (unseen) {
3975 mask |= 1 << 4;
3976 *unseen = 0;
3977 }
3978
3979 if (session->mbox != NULL &&
3980 !strcmp(session->mbox, item->item.path)) {
3981 r = imap_cmd_close(session);
3982 if (r != MAILIMAP_NO_ERROR) {
3983 debug_print("close err %d\n", r);
3984 g_free(real_path);
3985 return r;
3986 }
3987 }
3988
3989 r = imap_threaded_status(FOLDER(folder), real_path,
3990 &data_status, mask);
3991
3992 g_free(real_path);
3993 if (r != MAILIMAP_NO_ERROR) {
3994 imap_handle_error(SESSION(session), NULL, r);
3995 debug_print("status err %d\n", r);
3996 return r;
3997 }
3998
3999 if (data_status == NULL || data_status->st_info_list == NULL) {
4000 debug_print("data_status %p\n", data_status);
4001 if (data_status) {
4002 debug_print("data_status->st_info_list %p\n", data_status->st_info_list);
4003 mailimap_mailbox_data_status_free(data_status);
4004 }
4005 return MAILIMAP_ERROR_BAD_STATE;
4006 }
4007
4008 got_values = 0;
4009 if (data_status->st_info_list) {
4010 for(iter = clist_begin(data_status->st_info_list) ; iter != NULL ;
4011 iter = clist_next(iter)) {
4012 struct mailimap_status_info * info;
4013
4014 info = clist_content(iter);
4015 switch (info->st_att) {
4016 case MAILIMAP_STATUS_ATT_MESSAGES:
4017 if (messages) {
4018 * messages = info->st_value;
4019 got_values |= 1 << 0;
4020 }
4021 break;
4022
4023 case MAILIMAP_STATUS_ATT_UIDNEXT:
4024 if (uid_next) {
4025 * uid_next = info->st_value;
4026 got_values |= 1 << 2;
4027 }
4028 break;
4029
4030 case MAILIMAP_STATUS_ATT_UIDVALIDITY:
4031 if (uid_validity) {
4032 * uid_validity = info->st_value;
4033 got_values |= 1 << 3;
4034 }
4035 break;
4036
4037 case MAILIMAP_STATUS_ATT_UNSEEN:
4038 if (unseen) {
4039 * unseen = info->st_value;
4040 got_values |= 1 << 4;
4041 }
4042 break;
4043 }
4044 }
4045 }
4046 mailimap_mailbox_data_status_free(data_status);
4047
4048 if (got_values != mask) {
4049 g_warning("status: incomplete values received (%d)", got_values);
4050 }
4051 return MAILIMAP_NO_ERROR;
4052 }
4053
4054 static void imap_free_capabilities(IMAPSession *session)
4055 {
4056 slist_free_strings_full(session->capability);
4057 session->capability = NULL;
4058 }
4059
4060 /* low-level IMAP4rev1 commands */
4061
4062 static gint imap_cmd_login(IMAPSession *session,
4063 const gchar *user, const gchar *pass,
4064 const gchar *type)
4065 {
4066 int r;
4067 gint ok;
4068
4069 if (!strcmp(type, "plaintext") && imap_has_capability(session, "LOGINDISABLED")) {
4070 gint ok = MAILIMAP_ERROR_BAD_STATE;
4071 if (imap_has_capability(session, "STARTTLS")) {
4072 #ifdef USE_GNUTLS
4073 log_warning(LOG_PROTOCOL, _("Server requires STARTTLS to log in.\n"));
4074 ok = imap_cmd_starttls(session);
4075 if (ok != MAILIMAP_NO_ERROR) {
4076 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
4077 return ok;
4078 } else {
4079 /* refresh capas */
4080 imap_free_capabilities(session);
4081 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
4082 imap_handle_error(SESSION(session), NULL, r);
4083 log_warning(LOG_PROTOCOL, _("Can't refresh capabilities.\n"));
4084 return r;
4085 }
4086 }
4087 #else
4088 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
4089 "server requires STARTTLS, but Claws Mail "
4090 "has been compiled without STARTTLS "
4091 "support.\n"),
4092 SESSION(session)->server);
4093 return MAILIMAP_ERROR_LOGIN;
4094 #endif
4095 } else {
4096 log_error(LOG_PROTOCOL, _("Server logins are disabled.\n"));
4097 return MAILIMAP_ERROR_LOGIN;
4098 }
4099 }
4100
4101 log_print(LOG_PROTOCOL, "IMAP> Logging %s to %s using %s\n",
4102 user,
4103 SESSION(session)->server,
4104 type);
4105 r = imap_threaded_login(session->folder, user, pass, type);
4106 if (r != MAILIMAP_NO_ERROR) {
4107 imap_handle_error(SESSION(session), NULL, r);
4108 log_print(LOG_PROTOCOL, "IMAP< Error logging in to %s\n",
4109 SESSION(session)->server);
4110 ok = r;
4111 } else {
4112 log_print(LOG_PROTOCOL, "IMAP< Login to %s successful\n",
4113 SESSION(session)->server);
4114 ok = MAILIMAP_NO_ERROR;
4115 }
4116 return ok;
4117 }
4118
4119 static gint imap_cmd_noop(IMAPSession *session)
4120 {
4121 int r;
4122 unsigned int exists, recent, expunge, unseen, uidnext, uidval;
4123
4124 r = imap_threaded_noop(session->folder, &exists, &recent, &expunge, &unseen, &uidnext, &uidval);
4125 if (r != MAILIMAP_NO_ERROR) {
4126 imap_handle_error(SESSION(session), NULL, r);
4127 debug_print("noop err %d\n", r);
4128 return r;
4129 }
4130
4131 if ((exists && exists != session->exists)
4132 || (recent && recent != session->recent)
4133 || (expunge && expunge != session->expunge)
4134 || (unseen && unseen != session->unseen)) {
4135 session->folder_content_changed = TRUE;
4136 }
4137 if (uidnext != 0 && uidnext != session->uid_next) {
4138 session->uid_next = uidnext;
4139 session->folder_content_changed = TRUE;
4140 }
4141 if (uidval != 0 && uidval != session->uid_validity) {
4142 session->uid_validity = uidval;
4143 session->folder_content_changed = TRUE;
4144 }
4145
4146 session->exists = exists;
4147 session->recent = recent;
4148 session->expunge = expunge;
4149 session->unseen = unseen;
4150
4151 session_set_access_time(SESSION(session));
4152
4153 return MAILIMAP_NO_ERROR;
4154 }
4155
4156 #ifdef USE_GNUTLS
4157 static gint imap_cmd_starttls(IMAPSession *session)
4158 {
4159 int r;
4160
4161 r = imap_threaded_starttls(session->folder,
4162 SESSION(session)->server, SESSION(session)->port);
4163 if (r != MAILIMAP_NO_ERROR) {
4164 imap_handle_error(SESSION(session), NULL, r);
4165 debug_print("STARTTLS err %d\n", r);
4166 return r;
4167 }
4168 return MAILIMAP_NO_ERROR;
4169 }
4170 #endif
4171
4172 static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
4173 gint *exists, gint *recent, gint *unseen,
4174 guint32 *uid_validity, gint *can_create_flags,
4175 GSList **ok_flags, gboolean block)
4176 {
4177 int r;
4178
4179 r = imap_threaded_select(session->folder, folder,
4180 exists, recent, unseen, uid_validity, can_create_flags, ok_flags);
4181 if (r != MAILIMAP_NO_ERROR) {
4182 imap_handle_error(SESSION(session), NULL, r);
4183 debug_print("select err %d\n", r);
4184 return r;
4185 }
4186 return MAILIMAP_NO_ERROR;
4187 }
4188
4189 static gint imap_cmd_close(IMAPSession *session)
4190 {
4191 int r;
4192
4193 r = imap_threaded_close(session->folder);
4194 if (r != MAILIMAP_NO_ERROR) {
4195 imap_handle_error(SESSION(session), NULL, r);
4196 debug_print("close err %d\n", r);
4197 return r;
4198 }
4199 g_free(session->mbox);
4200 session->mbox = NULL;
4201 session->exists = 0;
4202 session->recent = 0;
4203 session->expunge = 0;
4204 return MAILIMAP_NO_ERROR;
4205 }
4206
4207 static gint imap_cmd_examine(IMAPSession *session, const gchar *folder,
4208 gint *exists, gint *recent, gint *unseen,
4209 guint32 *uid_validity, gboolean block)
4210 {
4211 int r;
4212
4213 r = imap_threaded_examine(session->folder, folder,
4214 exists, recent, unseen, uid_validity);
4215 if (r != MAILIMAP_NO_ERROR) {
4216 imap_handle_error(SESSION(session), NULL, r);
4217 debug_print("examine err %d\n", r);
4218
4219 return r;
4220 }
4221 return MAILIMAP_NO_ERROR;
4222 }
4223
4224 static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
4225 {
4226 int r;
4227
4228 r = imap_threaded_create(session->folder, folder);
4229 if (r != MAILIMAP_NO_ERROR) {
4230 imap_handle_error(SESSION(session), NULL, r);
4231 return r;
4232 }
4233
4234 return MAILIMAP_NO_ERROR;
4235 }
4236
4237 static gint imap_cmd_rename(IMAPSession *session, const gchar *old_folder,
4238 const gchar *new_folder)
4239 {
4240 int r;
4241
4242 r = imap_threaded_rename(session->folder, old_folder,
4243 new_folder);
4244 if (r != MAILIMAP_NO_ERROR) {
4245 imap_handle_error(SESSION(session), NULL, r);
4246 return r;
4247 }
4248
4249 return MAILIMAP_NO_ERROR;
4250 }
4251
4252 static gint imap_cmd_delete(IMAPSession *session, const gchar *folder)
4253 {
4254 int r;
4255
4256
4257 r = imap_threaded_delete(session->folder, folder);
4258 if (r != MAILIMAP_NO_ERROR) {
4259 imap_handle_error(SESSION(session), NULL, r);
4260 return r;
4261 }
4262
4263 return MAILIMAP_NO_ERROR;
4264 }
4265
4266 typedef struct _fetch_data {
4267 IMAPSession *session;
4268 guint32 uid;
4269 const gchar *filename;
4270 gboolean headers;
4271 gboolean body;
4272 gboolean done;
4273 } fetch_data;
4274
4275 static void *imap_cmd_fetch_thread(void *data)
4276 {
4277 fetch_data *stuff = (fetch_data *)data;
4278 IMAPSession *session = stuff->session;
4279 guint32 uid = stuff->uid;
4280 const gchar *filename = stuff->filename;
4281 int r;
4282
4283 if (stuff->body) {
4284 r = imap_threaded_fetch_content(session->folder,
4285 uid, 1, filename);
4286 }
4287 else {
4288 r = imap_threaded_fetch_content(session->folder,
4289 uid, 0, filename);
4290 }
4291 if (r != MAILIMAP_NO_ERROR) {
4292 imap_handle_error(SESSION(session), NULL, r);
4293 debug_print("fetch err %d\n", r);
4294 return GINT_TO_POINTER(r);
4295 }
4296 return GINT_TO_POINTER(MAILIMAP_NO_ERROR);
4297 }
4298
4299 static gint imap_cmd_fetch(IMAPSession *session, guint32 uid,
4300 const gchar *filename, gboolean headers,
4301 gboolean body)
4302 {
4303 fetch_data *data = g_new0(fetch_data, 1);
4304 int result = 0;
4305 data->done = FALSE;
4306 data->session = session;
4307 data->uid = uid;
4308 data->filename = filename;
4309 data->headers = headers;
4310 data->body = body;
4311
4312 if (prefs_common.work_offline &&
4313 !inc_offline_should_override(FALSE,
4314 _("Claws Mail needs network access in order "
4315 "to access the IMAP server."))) {
4316 g_free(data);
4317 return -1;
4318 }
4319 statusbar_print_all(_("Fetching message..."));
4320 result = GPOINTER_TO_INT(imap_cmd_fetch_thread(data));
4321 statusbar_pop_all();
4322 g_free(data);
4323 return result;
4324 }
4325
4326
4327 static gint imap_cmd_append(IMAPSession *session,
4328 IMAPFolderItem *item,
4329 const gchar *destfolder,
4330 const gchar *file, IMAPFlags flags,
4331 guint32 *new_uid)
4332 {
4333 struct mailimap_flag_list * flag_list;
4334 int r;
4335
4336 cm_return_val_if_fail(file != NULL, MAILIMAP_ERROR_BAD_STATE);
4337
4338 flag_list = imap_flag_to_lep(item, flags, NULL);
4339 lock_session(session);
4340 r = imap_threaded_append(session->folder, destfolder,
4341 file, flag_list, (int *)new_uid);
4342 mailimap_flag_list_free(flag_list);
4343
4344 if (r != MAILIMAP_NO_ERROR) {
4345 imap_handle_error(SESSION(session), NULL, r);
4346 debug_print("append err %d\n", r);
4347 return r;
4348 }
4349
4350 unlock_session(session);
4351
4352 return MAILIMAP_NO_ERROR;
4353 }
4354
4355 static gint imap_cmd_copy(IMAPSession *session, struct mailimap_set * set,
4356 const gchar *destfolder,
4357 struct mailimap_set **source, struct mailimap_set **dest)
4358 {
4359 int r;
4360
4361 g_return_val_if_fail(session != NULL, MAILIMAP_ERROR_BAD_STATE);
4362 g_return_val_if_fail(set != NULL, MAILIMAP_ERROR_BAD_STATE);
4363 g_return_val_if_fail(destfolder != NULL, MAILIMAP_ERROR_BAD_STATE);
4364
4365 r = imap_threaded_copy(session->folder, set, destfolder, source, dest);
4366 if (r != MAILIMAP_NO_ERROR) {
4367 imap_handle_error(SESSION(session), NULL, r);
4368 return r;
4369 }
4370
4371 return MAILIMAP_NO_ERROR;
4372 }
4373
4374 static gint imap_cmd_store(IMAPSession *session,
4375 IMAPFolderItem *item,
4376 struct mailimap_set * set,
4377 IMAPFlags flags, GSList *tags, int do_add)
4378 {
4379 int r;
4380 struct mailimap_flag_list * flag_list = NULL;
4381 struct mailimap_store_att_flags * store_att_flags;
4382
4383 flag_list = imap_flag_to_lep(item, flags, tags);
4384
4385 if (do_add)
4386 store_att_flags =
4387 mailimap_store_att_flags_new_add_flags_silent(flag_list);
4388 else
4389 store_att_flags =
4390 mailimap_store_att_flags_new_remove_flags_silent(flag_list);
4391
4392 r = imap_threaded_store(session->folder, set, store_att_flags);
4393 mailimap_store_att_flags_free(store_att_flags);
4394 if (r != MAILIMAP_NO_ERROR) {
4395 imap_handle_error(SESSION(session), NULL, r);
4396 return r;
4397 }
4398
4399 return MAILIMAP_NO_ERROR;
4400 }
4401
4402 static gint imap_cmd_expunge(IMAPSession *session)
4403 {
4404 int r;
4405
4406 if (prefs_common.work_offline &&
4407 !inc_offline_should_override(FALSE,
4408 _("Claws Mail needs network access in order "
4409 "to access the IMAP server."))) {
4410 return -1;
4411 }
4412
4413 r = imap_threaded_expunge(session->folder);
4414 if (r != MAILIMAP_NO_ERROR) {
4415 imap_handle_error(SESSION(session), NULL, r);
4416 return r;
4417 }
4418
4419 return MAILIMAP_NO_ERROR;
4420 }
4421
4422 gint imap_expunge(Folder *folder, FolderItem *item)
4423 {
4424 IMAPSession *session = imap_session_get(folder);
4425 if (session == NULL)
4426 return -1;
4427
4428 return imap_cmd_expunge(session);
4429 }
4430
4431 static void imap_path_separator_subst(gchar *str, gchar separator)
4432 {
4433 gchar *p;
4434 gboolean in_escape = FALSE;
4435
4436 if (!separator || separator == '/') return;
4437
4438 for (p = str; *p != '\0'; p++) {
4439 if (*p == '/' && !in_escape)
4440 *p = separator;
4441 else if (*p == '&' && *(p + 1) != '-' && !in_escape)
4442 in_escape = TRUE;
4443 else if (*p == '-' && in_escape)
4444 in_escape = FALSE;
4445 }
4446 }
4447
4448 static gboolean imap_rename_folder_func(GNode *node, gpointer data)
4449 {
4450 FolderItem *item = node->data;
4451 gchar **paths = data;
4452 const gchar *oldpath = paths[0];
4453 const gchar *newpath = paths[1];
4454 gchar *real_oldpath, *real_newpath;
4455 gchar *base;
4456 gchar *new_itempath;
4457 gint oldpathlen;
4458 IMAPSession *session = imap_session_get(item->folder);
4459 gint ok = MAILIMAP_NO_ERROR;
4460 oldpathlen = strlen(oldpath);
4461 if (strncmp(oldpath, item->path, oldpathlen) != 0) {
4462 g_warning("path doesn't match: %s, %s", oldpath, item->path);
4463 return TRUE;
4464 }
4465
4466 base = item->path + oldpathlen;
4467 while (*base == '/') base++;
4468 if (*base == '\0')
4469 new_itempath = g_strdup(newpath);
4470 else
4471 new_itempath = g_strconcat(newpath, "/", base,
4472 NULL);
4473
4474 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4475 g_free(item->path);
4476 item->path = new_itempath;
4477
4478 real_newpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4479
4480 imap_threaded_subscribe(item->folder, real_oldpath, FALSE);
4481 imap_threaded_subscribe(item->folder, real_newpath, TRUE);
4482
4483 g_free(real_oldpath);
4484 g_free(real_newpath);
4485 return FALSE;
4486 }
4487
4488 static gint get_list_of_uids(IMAPSession *session, Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
4489 {
4490 GSList *uidlist, *elem;
4491 int r = -1;
4492 clist * lep_uidlist;
4493 gint ok, nummsgs = 0;
4494
4495 if (session == NULL) {
4496 return -1;
4497 }
4498
4499 ok = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(item),
4500 NULL, NULL, NULL, NULL, NULL, TRUE);
4501 if (ok != MAILIMAP_NO_ERROR) {
4502 return -1;
4503 }
4504
4505 g_slist_free(item->uid_list);
4506 item->uid_list = NULL;
4507
4508 uidlist = NULL;
4509
4510 if (folder->account && folder->account->low_bandwidth) {
4511 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SIMPLE,
4512 NULL, NULL, NULL, &lep_uidlist);
4513 }
4514
4515 if (r == MAILIMAP_NO_ERROR) {
4516 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
4517 mailimap_search_result_free(lep_uidlist);
4518 } else {
4519 carray * lep_uidtab;
4520 if (r != -1) { /* inited */
4521 imap_handle_error(SESSION(session), NULL, r);
4522 if (is_fatal(r))
4523 return -1;
4524 }
4525 r = imap_threaded_fetch_uid(folder, 1,
4526 &lep_uidtab);
4527 if (r == MAILIMAP_NO_ERROR) {
4528 uidlist = imap_uid_list_from_lep_tab(lep_uidtab);
4529 imap_fetch_uid_list_free(lep_uidtab);
4530 }
4531 }
4532
4533 if (r != MAILIMAP_NO_ERROR) {
4534 imap_handle_error(SESSION(session), NULL, r);
4535 return -1;
4536 }
4537
4538 for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
4539 guint msgnum;
4540
4541 msgnum = GPOINTER_TO_INT(elem->data);
4542
4543 *msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(msgnum));
4544 item->uid_list = g_slist_prepend(item->uid_list, GINT_TO_POINTER(msgnum));
4545 nummsgs++;
4546 }
4547 g_slist_free(uidlist);
4548
4549 return nummsgs;
4550
4551 }
4552
4553 gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list, gboolean *old_uids_valid)
4554 {
4555 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4556 IMAPSession *session;
4557 gint nummsgs;
4558 GSList *uidlist = NULL;
4559 gchar *dir;
4560 gint known_list_len = 0;
4561 gchar *path;
4562
4563 debug_print("get_num_list\n");
4564
4565 g_return_val_if_fail(folder != NULL, -1);
4566 g_return_val_if_fail(item != NULL, -1);
4567 g_return_val_if_fail(item->item.path != NULL, -1);
4568 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
4569 g_return_val_if_fail(folder->account != NULL, -1);
4570
4571 known_list_len = g_slist_length(item->uid_list);
4572 if (!item->should_update) {
4573 debug_print("get_num_list: nothing to update\n");
4574 *old_uids_valid = TRUE;
4575 if (known_list_len == item->item.total_msgs
4576 && known_list_len > 0) {
4577 *msgnum_list = g_slist_copy(item->uid_list);
4578 return known_list_len;
4579 } else {
4580 debug_print("don't know the list length...\n");
4581 }
4582 }
4583
4584 if (prefs_common.work_offline &&
4585 !inc_offline_should_override(FALSE,
4586 _("Claws Mail needs network access in order "
4587 "to access the IMAP server."))) {
4588 return -1;
4589 }
4590
4591 path = folder_item_get_path(_item);
4592 if (!is_dir_exist(path)) {
4593 if(is_file_exist(path))
4594 claws_unlink(path);
4595 make_dir_hier(path);
4596 }
4597 g_free(path);
4598
4599 debug_print("getting session...\n");
4600 session = imap_session_get(folder);
4601 g_return_val_if_fail(session != NULL, -1);
4602
4603 lock_session(session);
4604 if (FOLDER_ITEM(item)->path)
4605 statusbar_print_all(_("Scanning folder %s/%s..."),
4606 FOLDER_ITEM(item)->folder->name,
4607 FOLDER_ITEM(item)->path);
4608 else
4609 statusbar_print_all(_("Scanning folder %s..."),
4610 FOLDER_ITEM(item)->folder->name);
4611
4612 if (item->should_trash_cache) {
4613 *old_uids_valid = FALSE;
4614 debug_print("get_num_list: trashing num list\n");
4615 debug_print("Freeing imap uid cache\n");
4616 item->lastuid = 0;
4617 g_slist_free(item->uid_list);
4618 item->uid_list = NULL;
4619
4620 imap_delete_all_cached_messages((FolderItem *)item);
4621 } else {
4622 debug_print("get_num_list: updating num list\n");
4623 *old_uids_valid = TRUE;
4624 }
4625
4626 nummsgs = get_list_of_uids(session, folder, item, &uidlist);
4627
4628 unlock_session(session);
4629
4630 /* session could be broken now, in case of fatal error */
4631
4632 debug_print("get_num_list: got %d msgs\n", nummsgs);
4633
4634 if (nummsgs < 0) {
4635 statusbar_pop_all();
4636 return -1;
4637 }
4638
4639 *msgnum_list = uidlist;
4640
4641 dir = folder_item_get_path((FolderItem *)item);
4642 debug_print("removing old messages from %s\n", dir);
4643 remove_numbered_files_not_in_list(dir, *msgnum_list);
4644 g_free(dir);
4645
4646 debug_print("get_num_list - ok - %i\n", nummsgs);
4647 statusbar_pop_all();
4648 item->should_trash_cache = FALSE;
4649 item->should_update = FALSE;
4650 return nummsgs;
4651 }
4652
4653 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item)
4654 {
4655 MsgInfo *msginfo;
4656 MsgFlags flags;
4657
4658 flags.perm_flags = MSG_NEW|MSG_UNREAD;
4659 flags.tmp_flags = 0;
4660
4661 g_return_val_if_fail(item != NULL, NULL);
4662 g_return_val_if_fail(file != NULL, NULL);
4663
4664 if (folder_has_parent_of_type(item, F_QUEUE)) {
4665 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
4666 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
4667 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
4668 }
4669
4670 msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
4671 if (!msginfo) return NULL;
4672
4673 msginfo->plaintext_file = g_strdup(file);
4674 msginfo->folder = item;
4675
4676 return msginfo;
4677 }
4678
4679 GSList *imap_get_msginfos(Folder *folder, FolderItem *item,
4680 GSList *msgnum_list)
4681 {
4682 IMAPSession *session;
4683 MsgInfoList *ret = NULL;
4684 gint ok;
4685
4686 debug_print("get_msginfos\n");
4687
4688 g_return_val_if_fail(folder != NULL, NULL);
4689 g_return_val_if_fail(item != NULL, NULL);
4690 g_return_val_if_fail(msgnum_list != NULL, NULL);
4691
4692 debug_print("getting session...\n");
4693 session = imap_session_get(folder);
4694 g_return_val_if_fail(session != NULL, NULL);
4695
4696 lock_session(session); /* unlocked later in the function */
4697
4698 debug_print("IMAP getting msginfos\n");
4699 ok = imap_select(session, IMAP_FOLDER(folder), item,
4700 NULL, NULL, NULL, NULL, NULL, FALSE);
4701 if (ok != MAILIMAP_NO_ERROR) {
4702 return NULL;
4703 }
4704 if (!(folder_has_parent_of_type(item, F_DRAFT) ||
4705 folder_has_parent_of_type(item, F_QUEUE))) {
4706 ret = g_slist_concat(ret,
4707 imap_get_uncached_messages(session, item,
4708 msgnum_list, &ok));
4709 if (ok != MAILIMAP_NO_ERROR)
4710 return NULL;
4711 unlock_session(session);
4712 } else {
4713 MsgNumberList *sorted_list, *elem, *llast = NULL;
4714 gint startnum, lastnum;
4715
4716 unlock_session(session);
4717
4718 sorted_list = g_slist_sort(g_slist_copy(msgnum_list), g_int_compare);
4719
4720 startnum = lastnum = GPOINTER_TO_INT(sorted_list->data);
4721
4722 llast = g_slist_last(ret);
4723 for (elem = sorted_list;; elem = g_slist_next(elem)) {
4724 guint num = 0;
4725
4726 if (elem)
4727 num = GPOINTER_TO_INT(elem->data);
4728
4729 if (num > lastnum + 1 || elem == NULL) {
4730 int i;
4731 for (i = startnum; i <= lastnum; ++i) {
4732 gchar *file;
4733 file = imap_fetch_msg(folder, item, i);
4734 if (file != NULL) {
4735 MsgInfo *msginfo = imap_parse_msg(file, item);
4736 if (msginfo != NULL) {
4737 msginfo->msgnum = i;
4738 if (llast == NULL)
4739 llast = ret = g_slist_append(ret, msginfo);
4740 else {
4741 llast = g_slist_append(llast, msginfo);
4742 llast = llast->next;
4743 }
4744 }
4745 g_free(file);
4746 }
4747 }
4748
4749 if (elem == NULL)
4750 break;
4751
4752 startnum = num;
4753 }
4754 lastnum = num;
4755 }
4756
4757 g_slist_free(sorted_list);
4758 }
4759 return ret;
4760 }
4761
4762 MsgInfo *imap_get_msginfo(Folder *folder, FolderItem *item, gint uid)
4763 {
4764 MsgInfo *msginfo = NULL;
4765 MsgInfoList *msginfolist;
4766 MsgNumberList numlist;
4767
4768 numlist.next = NULL;
4769 numlist.data = GINT_TO_POINTER(uid);
4770
4771 msginfolist = imap_get_msginfos(folder, item, &numlist);
4772 if (msginfolist != NULL) {
4773 msginfo = msginfolist->data;
4774 g_slist_free(msginfolist);
4775 }
4776
4777 return msginfo;
4778 }
4779
4780 gboolean imap_scan_required(Folder *folder, FolderItem *_item)
4781 {
4782 IMAPSession *session;
4783 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4784 gint ok, exists = 0, unseen = 0;
4785 guint32 uid_next = 0, uid_val = 0;
4786 gboolean selected_folder;
4787
4788 g_return_val_if_fail(folder != NULL, FALSE);
4789 g_return_val_if_fail(item != NULL, FALSE);
4790 g_return_val_if_fail(item->item.folder != NULL, FALSE);
4791 g_return_val_if_fail(FOLDER_CLASS(item->item.folder) == &imap_class, FALSE);
4792
4793 if (item->item.path == NULL)
4794 return FALSE;
4795
4796 if (item->should_update) {
4797 debug_print("scan already required\n");
4798 return TRUE;
4799 }
4800 debug_print("getting session...\n");
4801 session = imap_session_get(folder);
4802
4803 g_return_val_if_fail(session != NULL, FALSE);
4804 lock_session(session); /* unlocked later in the function */
4805
4806 selected_folder = (session->mbox != NULL) &&
4807 (!strcmp(session->mbox, item->item.path));
4808 if (selected_folder) {
4809 if (!session->folder_content_changed) {
4810 ok = imap_cmd_noop(session);
4811 if (ok != MAILIMAP_NO_ERROR) {
4812 debug_print("disconnected!\n");
4813 if (!is_fatal(ok))
4814 session = imap_reconnect_if_possible(folder, session);
4815 else
4816 session = imap_session_get(folder);
4817 if (session == NULL)
4818 return FALSE;
4819 }
4820
4821 if (session->folder_content_changed) {
4822 debug_print("CHANGED (self-noop)! scan_required\n");
4823 item->should_update = TRUE;
4824 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4825 item->item.mtime = session->uid_validity;
4826 item->should_trash_cache = TRUE;
4827 }
4828 unlock_session(session);
4829 return TRUE;
4830 }
4831 } else {
4832 debug_print("CHANGED (previous noop)! scan_required\n");
4833 item->should_update = TRUE;
4834 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4835 item->item.mtime = session->uid_validity;
4836 item->should_trash_cache = TRUE;
4837 }
4838 unlock_session(session);
4839 return TRUE;
4840 }
4841 } else {
4842 ok = imap_status(session, IMAP_FOLDER(folder), item->item.path, IMAP_FOLDER_ITEM(item),
4843 &exists, &uid_next, &uid_val, &unseen, FALSE);
4844 if (ok != MAILIMAP_NO_ERROR) {
4845 return FALSE;
4846 }
4847
4848 debug_print("exists %d, item->item.total_msgs %d\n"
4849 "\tunseen %d, item->item.unread_msgs %d\n"
4850 "\tuid_next %d, item->uid_next %d\n"
4851 "\tuid_val %d, item->item.mtime %ld\n",
4852 exists, item->item.total_msgs, unseen, item->item.unread_msgs,
4853 uid_next, item->uid_next, uid_val, (long)(item->item.mtime));
4854 if (exists != item->item.total_msgs
4855 || unseen != item->item.unread_msgs
4856 || uid_next != item->uid_next
4857 || uid_val != item->item.mtime) {
4858 debug_print("CHANGED (status)! scan_required\n");
4859 item->last_change = time(NULL);
4860 item->should_update = TRUE;
4861 item->uid_next = uid_next;
4862 if (uid_val != item->item.mtime) {
4863 item->item.mtime = uid_val;
4864 item->should_trash_cache = TRUE;
4865 }
4866 unlock_session(session);
4867 return TRUE;
4868 }
4869 }
4870 unlock_session(session);
4871
4872 item->should_update = FALSE;
4873 return FALSE;
4874 }
4875
4876 void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
4877 {
4878 IMAPSession *session;
4879 IMAPFlags flags_set = 0, flags_unset = 0;
4880 gint ok = MAILIMAP_NO_ERROR;
4881 MsgNumberList numlist;
4882 hashtable_data *ht_data = NULL;
4883
4884 g_return_if_fail(folder != NULL);
4885 g_return_if_fail(folder->klass == &imap_class);
4886 g_return_if_fail(item != NULL);
4887 g_return_if_fail(item->folder == folder);
4888 g_return_if_fail(msginfo != NULL);
4889 g_return_if_fail(msginfo->folder == item);
4890
4891 if (!MSG_IS_MARKED(msginfo->flags) && (newflags & MSG_MARKED))
4892 flags_set |= IMAP_FLAG_FLAGGED;
4893 if ( MSG_IS_MARKED(msginfo->flags) && !(newflags & MSG_MARKED))
4894 flags_unset |= IMAP_FLAG_FLAGGED;
4895
4896 if (!MSG_IS_UNREAD(msginfo->flags) && (newflags & MSG_UNREAD))
4897 flags_unset |= IMAP_FLAG_SEEN;
4898 if ( MSG_IS_UNREAD(msginfo->flags) && !(newflags & MSG_UNREAD))
4899 flags_set |= IMAP_FLAG_SEEN;
4900
4901 if (!MSG_IS_REPLIED(msginfo->flags) && (newflags & MSG_REPLIED))
4902 flags_set |= IMAP_FLAG_ANSWERED;
4903 if ( MSG_IS_REPLIED(msginfo->flags) && !(newflags & MSG_REPLIED))
4904 flags_unset |= IMAP_FLAG_ANSWERED;
4905
4906 if (!MSG_IS_FORWARDED(msginfo->flags) && (newflags & MSG_FORWARDED))
4907 flags_set |= IMAP_FLAG_FORWARDED;
4908 if ( MSG_IS_FORWARDED(msginfo->flags) && !(newflags & MSG_FORWARDED))
4909 flags_unset |= IMAP_FLAG_FORWARDED;
4910
4911 if (!MSG_IS_SPAM(msginfo->flags) && (newflags & MSG_SPAM)) {
4912 flags_set |= IMAP_FLAG_SPAM;
4913 flags_unset |= IMAP_FLAG_HAM;
4914 }
4915 if ( MSG_IS_SPAM(msginfo->flags) && !(newflags & MSG_SPAM)) {
4916 flags_set |= IMAP_FLAG_HAM;
4917 flags_unset |= IMAP_FLAG_SPAM;
4918 }
4919 if (!MSG_IS_DELETED(msginfo->flags) && (newflags & MSG_DELETED))
4920 flags_set |= IMAP_FLAG_DELETED;
4921 if ( MSG_IS_DELETED(msginfo->flags) && !(newflags & MSG_DELETED))
4922 flags_unset |= IMAP_FLAG_DELETED;
4923
4924 if (!flags_set && !flags_unset) {
4925 /* the changed flags were not translatable to IMAP-speak.
4926 * like MSG_POSTFILTERED, so just apply. */
4927 msginfo->flags.perm_flags = newflags;
4928 return;
4929 }
4930
4931 debug_print("getting session...\n");
4932 session = imap_session_get(folder);
4933 if (!session) {
4934 return;
4935 }
4936
4937 if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
4938 NULL, NULL, NULL, NULL, NULL, FALSE)) != MAILIMAP_NO_ERROR) {
4939 return;
4940 }
4941 numlist.next = NULL;
4942 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
4943
4944 if (IMAP_FOLDER_ITEM(item)->batching) {
4945 /* instead of performing an UID STORE command for each message change,
4946 * as a lot of them can change "together", we just fill in hashtables
4947 * and defer the treatment so that we're able to send only one
4948 * command.
4949 */
4950 debug_print("IMAP batch mode on, deferring flags change\n");
4951 if (flags_set) {
4952 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_set_table,
4953 GINT_TO_POINTER(flags_set));
4954 if (ht_data == NULL) {
4955 ht_data = g_new0(hashtable_data, 1);
4956 ht_data->item = IMAP_FOLDER_ITEM(item);
4957 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_set_table,
4958 GINT_TO_POINTER(flags_set), ht_data);
4959 }
4960 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
4961 }
4962 if (flags_unset) {
4963 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_unset_table,
4964 GINT_TO_POINTER(flags_unset));
4965 if (ht_data == NULL) {
4966 ht_data = g_new0(hashtable_data, 1);
4967 ht_data->item = IMAP_FOLDER_ITEM(item);
4968 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_unset_table,
4969 GINT_TO_POINTER(flags_unset), ht_data);
4970 }
4971 ht_data->msglist = g_slist_prepend(ht_data->msglist,
4972 GINT_TO_POINTER(msginfo->msgnum));
4973 }
4974 } else {
4975 debug_print("IMAP changing flags\n");
4976 if (flags_set) {
4977 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_set, NULL, TRUE);
4978 if (ok != MAILIMAP_NO_ERROR) {
4979 return;
4980 }
4981 }
4982
4983 if (flags_unset) {
4984 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_unset, NULL, FALSE);
4985 if (ok != MAILIMAP_NO_ERROR) {
4986 return;
4987 }
4988 }
4989 }
4990 msginfo->flags.perm_flags = newflags;
4991 return;
4992 }
4993
4994 static gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
4995 {
4996 gint ok;
4997 IMAPSession *session;
4998 gchar *dir;
4999 MsgNumberList numlist;
5000
5001 g_return_val_if_fail(folder != NULL, -1);
5002 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
5003 g_return_val_if_fail(item != NULL, -1);
5004
5005 debug_print("getting session...\n");
5006 session = imap_session_get(folder);
5007 if (!session) return -1;
5008
5009 ok = imap_select(session, IMAP_FOLDER(folder), item,
5010 NULL, NULL, NULL, NULL, NULL, FALSE);
5011 if (ok != MAILIMAP_NO_ERROR) {
5012 return ok;
5013 }
5014 numlist.next = NULL;
5015 numlist.data = GINT_TO_POINTER(uid);
5016
5017 ok = imap_set_message_flags
5018 (session, IMAP_FOLDER_ITEM(item), &numlist, IMAP_FLAG_DELETED, NULL, TRUE);
5019 if (ok != MAILIMAP_NO_ERROR) {
5020 log_warning(LOG_PROTOCOL, _("can't set deleted flags: %d\n"), uid);
5021 return ok;
5022 }
5023
5024 ok = imap_cmd_expunge(session);
5025
5026 if (ok != MAILIMAP_NO_ERROR) {
5027 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
5028 return ok;
5029 }
5030
5031 IMAP_FOLDER_ITEM(item)->uid_list = g_slist_remove(
5032 IMAP_FOLDER_ITEM(item)->uid_list, numlist.data);
5033 dir = folder_item_get_path(item);
5034 if (is_dir_exist(dir))
5035 remove_numbered_files(dir, uid, uid);
5036 g_free(dir);
5037 return MAILIMAP_NO_ERROR;
5038 }
5039
5040 static gint compare_msginfo(gconstpointer a, gconstpointer b)
5041 {
5042 return ((MsgInfo *)a)->msgnum - ((MsgInfo *)b)->msgnum;
5043 }
5044
5045 static guint gslist_find_next_num(MsgNumberList **list, guint num)
5046 {
5047 GSList *elem;
5048
5049 g_return_val_if_fail(list != NULL, -1);
5050
5051 for (elem = *list; elem != NULL; elem = g_slist_next(elem))
5052 if (GPOINTER_TO_INT(elem->data) >= num)
5053 break;
5054 *list = elem;
5055 return elem != NULL ? GPOINTER_TO_INT(elem->data) : (gint)-1;
5056 }
5057
5058 static gboolean flag_ok(IMAPFolderItem *item, guint flag)
5059 {
5060 if (item->ok_flags && g_slist_find(item->ok_flags, GUINT_TO_POINTER(flag))) {
5061 debug_print("flag %d is OK\n", flag);
5062 return TRUE;
5063 }
5064 if (item->can_create_flags == ITEM_CAN_CREATE_FLAGS) {
5065 debug_print("creating flags is OK\n");
5066 return TRUE;
5067 }
5068 return FALSE;
5069 }
5070
5071 /*
5072 * NEW and DELETED flags are not syncronized
5073 * - The NEW/RECENT flags in IMAP folders can not really be directly
5074 * modified by Sylpheed
5075 * - The DELETE/DELETED flag in IMAP and Sylpheed don't have the same
5076 * meaning, in IMAP it always removes the messages from the FolderItem
5077 * in Sylpheed it can mean to move the message to trash
5078 */
5079
5080 typedef struct _get_flags_data {
5081 Folder *folder;
5082 FolderItem *item;
5083 MsgInfoList *msginfo_list;
5084 GHashTable *msgflags;
5085 gboolean full_search;
5086 gboolean done;
5087 } get_flags_data;
5088
5089 static /*gint*/ void *imap_get_flags_thread(void *data)
5090 {
5091 get_flags_data *stuff = (get_flags_data *)data;
5092 Folder *folder = stuff->folder;
5093 FolderItem *fitem = (FolderItem *) stuff->item;
5094 MsgInfoList *msginfo_list = stuff->msginfo_list;
5095 GHashTable *msgflags = stuff->msgflags;
5096 GSList *elem;
5097 carray * lep_uidtab;
5098 IMAPSession *session;
5099 gint ok;
5100 int r = MAILIMAP_NO_ERROR;
5101 GHashTable *flags_hash = NULL;
5102 GHashTable *tags_hash = NULL;
5103 gboolean full_search = stuff->full_search;
5104 GSList *sorted_list = NULL;
5105 GSList *unseen = NULL, *answered = NULL, *flagged = NULL, *deleted = NULL, *forwarded = NULL, *spam = NULL;
5106 GSList *seq_list, *cur;
5107 gboolean reverse_seen = FALSE;
5108 gboolean selected_folder;
5109 gint exists_cnt, unseen_cnt;
5110 gboolean got_alien_tags = FALSE;
5111
5112 session = imap_session_get(folder);
5113
5114 if (session == NULL) {
5115 stuff->done = TRUE;
5116 return GINT_TO_POINTER(-1);
5117 }
5118 selected_folder = (session->mbox != NULL) &&
5119 (!strcmp(session->mbox, fitem->path));
5120
5121 lock_session(session);
5122 if (!selected_folder) {
5123 ok = imap_select(session, IMAP_FOLDER(folder), fitem,
5124 &exists_cnt, NULL, &unseen_cnt, NULL, NULL, TRUE);
5125 if (ok != MAILIMAP_NO_ERROR) {
5126 stuff->done = TRUE;
5127 return GINT_TO_POINTER(-1);
5128 }
5129
5130 if (unseen_cnt > exists_cnt / 2)
5131 reverse_seen = TRUE;
5132 }
5133 else {
5134 if (fitem->unread_msgs > fitem->total_msgs / 2)
5135 reverse_seen = TRUE;
5136 }
5137
5138 sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
5139 if (!full_search) {
5140 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msginfo_list);
5141 } else {
5142 struct mailimap_set * set;
5143 set = mailimap_set_new_interval(1, 0);
5144 seq_list = g_slist_append(NULL, set);
5145 }
5146
5147 if (folder->account && folder->account->low_bandwidth) {
5148 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
5149 struct mailimap_set * imapset;
5150 clist * lep_uidlist;
5151 int r;
5152
5153 imapset = cur->data;
5154 if (reverse_seen) {
5155 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SEEN, NULL,
5156 NULL, full_search ? NULL:imapset, &lep_uidlist);
5157 }
5158 else {
5159 r = imap_threaded_search(folder,
5160 IMAP_SEARCH_TYPE_UNSEEN, NULL,
5161 NULL, full_search ? NULL:imapset, &lep_uidlist);
5162 }
5163 if (r == MAILIMAP_NO_ERROR) {
5164 GSList * uidlist;
5165
5166 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5167 mailimap_search_result_free(lep_uidlist);
5168
5169 unseen = g_slist_concat(unseen, uidlist);
5170 } else {
5171 imap_handle_error(SESSION(session), NULL, r);
5172 goto bail;
5173 }
5174
5175 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FLAGGED, NULL,
5176 NULL, full_search ? NULL:imapset, &lep_uidlist);
5177 if (r == MAILIMAP_NO_ERROR) {
5178 GSList * uidlist;
5179
5180 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5181 mailimap_search_result_free(lep_uidlist);
5182
5183 flagged = g_slist_concat(flagged, uidlist);
5184 } else {
5185 imap_handle_error(SESSION(session), NULL, r);
5186 goto bail;
5187 }
5188
5189 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5190 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_ANSWERED, NULL,
5191 NULL, full_search ? NULL:imapset, &lep_uidlist);
5192 if (r == MAILIMAP_NO_ERROR) {
5193 GSList * uidlist;
5194
5195 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5196 mailimap_search_result_free(lep_uidlist);
5197
5198 answered = g_slist_concat(answered, uidlist);
5199 } else {
5200 imap_handle_error(SESSION(session), NULL, r);
5201 goto bail;
5202 }
5203
5204 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_FORWARDED)) {
5205 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FORWARDED, NULL,
5206 NULL, full_search ? NULL:imapset, &lep_uidlist);
5207 if (r == MAILIMAP_NO_ERROR) {
5208 GSList * uidlist;
5209
5210 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5211 mailimap_search_result_free(lep_uidlist);
5212
5213 forwarded = g_slist_concat(forwarded, uidlist);
5214 } else {
5215 imap_handle_error(SESSION(session), NULL, r);
5216 goto bail;
5217 }
5218 }
5219
5220 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_SPAM)) {
5221 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SPAM, NULL,
5222 NULL, full_search ? NULL:imapset, &lep_uidlist);
5223 if (r == MAILIMAP_NO_ERROR) {
5224 GSList * uidlist;
5225
5226 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5227 mailimap_search_result_free(lep_uidlist);
5228
5229 spam = g_slist_concat(spam, uidlist);
5230 } else {
5231 imap_handle_error(SESSION(session), NULL, r);
5232 goto bail;
5233 }
5234 }
5235
5236 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_DELETED, NULL,
5237 NULL, full_search ? NULL:imapset, &lep_uidlist);
5238 if (r == MAILIMAP_NO_ERROR) {
5239 GSList * uidlist;
5240
5241 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5242 mailimap_search_result_free(lep_uidlist);
5243
5244 deleted = g_slist_concat(deleted, uidlist);
5245 } else {
5246 imap_handle_error(SESSION(session), NULL, r);
5247 goto bail;
5248 }
5249 }
5250 }
5251
5252 } else {
5253 r = imap_threaded_fetch_uid_flags(folder, 1, &lep_uidtab);
5254 if (r == MAILIMAP_NO_ERROR) {
5255 flags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5256 tags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5257 imap_flags_hash_from_lep_uid_flags_tab(lep_uidtab, flags_hash, tags_hash);
5258 imap_fetch_uid_flags_list_free(lep_uidtab);
5259 } else {
5260 imap_handle_error(SESSION(session), NULL, r);
5261 goto bail;
5262 }
5263 }
5264
5265 bail:
5266 if (r == MAILIMAP_NO_ERROR)
5267 unlock_session(session);
5268
5269 for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
5270 MsgInfo *msginfo;
5271 MsgPermFlags flags, oldflags;
5272 gboolean wasnew;
5273
5274 msginfo = (MsgInfo *) elem->data;
5275 flags = msginfo->flags.perm_flags;
5276 wasnew = (flags & MSG_NEW);
5277 oldflags = flags & ~(MSG_NEW|MSG_UNREAD|MSG_REPLIED|MSG_FORWARDED|MSG_MARKED|MSG_DELETED|MSG_SPAM);
5278
5279 if (folder->account && folder->account->low_bandwidth) {
5280 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5281 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_FORWARDED | MSG_MARKED | MSG_SPAM);
5282 } else {
5283 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW | MSG_MARKED));
5284 }
5285 if (reverse_seen)
5286 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5287 if (gslist_find_next_num(&unseen, msginfo->msgnum) == msginfo->msgnum) {
5288 if (!reverse_seen) {
5289 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5290 } else {
5291 flags &= ~(MSG_UNREAD | MSG_NEW);
5292 }
5293 }
5294
5295 if (gslist_find_next_num(&flagged, msginfo->msgnum) == msginfo->msgnum)
5296 flags |= MSG_MARKED;
5297 else
5298 flags &= ~MSG_MARKED;
5299
5300 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5301 if (gslist_find_next_num(&answered, msginfo->msgnum) == msginfo->msgnum)
5302 flags |= MSG_REPLIED;
5303 else
5304 flags &= ~MSG_REPLIED;
5305 if (gslist_find_next_num(&forwarded, msginfo->msgnum) == msginfo->msgnum)
5306 flags |= MSG_FORWARDED;
5307 else
5308 flags &= ~MSG_FORWARDED;
5309 if (gslist_find_next_num(&spam, msginfo->msgnum) == msginfo->msgnum)
5310 flags |= MSG_SPAM;
5311 else
5312 flags &= ~MSG_SPAM;
5313 if (gslist_find_next_num(&deleted, msginfo->msgnum) == msginfo->msgnum)
5314 flags |= MSG_DELETED;
5315 else
5316 flags &= ~MSG_DELETED;
5317 }
5318 } else {
5319 if (flags_hash != NULL) {
5320
5321 flags = GPOINTER_TO_INT(g_hash_table_lookup(flags_hash,
5322 GINT_TO_POINTER(msginfo->msgnum)));
5323 }
5324
5325 if ((flags & MSG_UNREAD) == 0)
5326 flags &= ~MSG_NEW;
5327 else if (wasnew)
5328 flags |= MSG_NEW;
5329 flags |= oldflags;
5330
5331 if (tags_hash != NULL) {
5332 GSList *tags = g_hash_table_lookup(tags_hash, GINT_TO_POINTER(msginfo->msgnum));
5333 GSList *cur;
5334
5335 g_slist_free(msginfo->tags);
5336 msginfo->tags = NULL;
5337
5338 for (cur = tags; cur; cur = cur->next) {
5339 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
5340 gint id = 0;
5341 id = tags_get_id_for_str(real_tag);
5342 if (id == -1) {
5343 id = tags_add_tag(real_tag);
5344 got_alien_tags = TRUE;
5345 }
5346 msginfo->tags = g_slist_append(
5347 msginfo->tags,
5348 GINT_TO_POINTER(id));
5349 g_free(real_tag);
5350 }
5351 slist_free_strings_full(tags);
5352 }
5353 }
5354
5355 g_hash_table_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
5356 }
5357
5358 if (got_alien_tags) {
5359 tags_write_tags();
5360 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
5361 }
5362
5363 if (flags_hash)
5364 g_hash_table_destroy(flags_hash);
5365 if (tags_hash)
5366 g_hash_table_destroy(tags_hash);
5367
5368 imap_lep_set_free(seq_list);
5369 g_slist_free(flagged);
5370 g_slist_free(deleted);
5371 g_slist_free(answered);
5372 g_slist_free(forwarded);
5373 g_slist_free(spam);
5374 g_slist_free(unseen);
5375 g_slist_free(sorted_list);
5376
5377 stuff->done = TRUE;
5378 return GINT_TO_POINTER(0);
5379 }
5380
5381 static gint imap_get_flags(Folder *folder, FolderItem *item,
5382 MsgInfoList *msginfo_list, GHashTable *msgflags)
5383 {
5384 gint result;
5385 get_flags_data *data = g_new0(get_flags_data, 1);
5386 data->done = FALSE;
5387 data->folder = folder;
5388 data->item = item;
5389 data->msginfo_list = msginfo_list;
5390 data->msgflags = msgflags;
5391 data->full_search = FALSE;
5392
5393 GSList *tmp = NULL, *cur;
5394
5395 if (prefs_common.work_offline &&
5396 !inc_offline_should_override(FALSE,
5397 _("Claws Mail needs network access in order "
5398 "to access the IMAP server."))) {
5399 g_free(data);
5400 return -1;
5401 }
5402
5403 tmp = folder_item_get_msg_list(item);
5404
5405 if (g_slist_length(tmp) <= g_slist_length(msginfo_list))
5406 data->full_search = TRUE;
5407
5408 for (cur = tmp; cur; cur = cur->next)
5409 procmsg_msginfo_free((MsgInfo **)&(cur->data));
5410
5411 g_slist_free(tmp);
5412
5413 result = GPOINTER_TO_INT(imap_get_flags_thread(data));
5414
5415 g_free(data);
5416 return result;
5417
5418 }
5419
5420 static gboolean process_flags(gpointer key, gpointer value, gpointer user_data)
5421 {
5422 gboolean flags_set = GPOINTER_TO_INT(user_data);
5423 gint flags_value = GPOINTER_TO_INT(key);
5424 hashtable_data *data = (hashtable_data *)value;
5425 IMAPFolderItem *_item = data->item;
5426 FolderItem *item = (FolderItem *)_item;
5427 gint ok = MAILIMAP_ERROR_BAD_STATE;
5428 IMAPSession *session = NULL;
5429
5430 debug_print("getting session...\n");
5431 session = imap_session_get(item->folder);
5432
5433 data->msglist = g_slist_reverse(data->msglist);
5434
5435 debug_print("IMAP %ssetting flags to %d for %d messages\n",
5436 flags_set?"":"un",
5437 flags_value,
5438 g_slist_length(data->msglist));
5439
5440 lock_session(session);
5441 if (session) {
5442 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5443 NULL, NULL, NULL, NULL, NULL, FALSE);
5444 }
5445 if (ok == MAILIMAP_NO_ERROR) {
5446 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5447 data->msglist, flags_value, NULL, flags_set);
5448 } else {
5449 g_warning("can't select mailbox %s", item->path);
5450 }
5451
5452 if (!is_fatal(ok))
5453 unlock_session(session);
5454
5455 g_slist_free(data->msglist);
5456 g_free(data);
5457 return TRUE;
5458 }
5459
5460 static gboolean process_tags(gpointer key, gpointer value, gpointer user_data)
5461 {
5462 gboolean tags_set = GPOINTER_TO_INT(user_data);
5463 TagsData *data = (TagsData *)value;
5464 IMAPFolderItem *_item = data->item;
5465 FolderItem *item = (FolderItem *)_item;
5466 gchar *str = data->str;
5467 gint ok = MAILIMAP_ERROR_BAD_STATE;
5468 IMAPSession *session = NULL;
5469
5470 debug_print("getting session...\n");
5471 session = imap_session_get(item->folder);
5472
5473 data->msglist = g_slist_reverse(data->msglist);
5474
5475 debug_print("IMAP %ssetting tags %s for %d messages\n",
5476 tags_set?"":"un",
5477 str,
5478 g_slist_length(data->msglist));
5479
5480 lock_session(session);
5481 if (session) {
5482 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5483 NULL, NULL, NULL, NULL, NULL, FALSE);
5484 }
5485 if (ok == MAILIMAP_NO_ERROR) {
5486 GSList list;
5487 list.data = str;
5488 list.next = NULL;
5489 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5490 data->msglist, 0, &list, tags_set);
5491 } else {
5492 g_warning("can't select mailbox %s", item->path);
5493 }
5494
5495 if (!is_fatal(ok))
5496 unlock_session(session);
5497
5498 g_slist_free(data->msglist);
5499 g_free(data->str);
5500 g_free(data);
5501 return TRUE;
5502 }
5503
5504 static void process_hashtable(IMAPFolderItem *item)
5505 {
5506 if (item->flags_set_table) {
5507 g_hash_table_foreach_remove(item->flags_set_table, process_flags, GINT_TO_POINTER(TRUE));
5508 g_hash_table_destroy(item->flags_set_table);
5509 item->flags_set_table = NULL;
5510 }
5511 if (item->flags_unset_table) {
5512 g_hash_table_foreach_remove(item->flags_unset_table, process_flags, GINT_TO_POINTER(FALSE));
5513 g_hash_table_destroy(item->flags_unset_table);
5514 item->flags_unset_table = NULL;
5515 }
5516 if (item->tags_set_table) {
5517 g_hash_table_foreach_remove(item->tags_set_table, process_tags, GINT_TO_POINTER(TRUE));
5518 g_hash_table_destroy(item->tags_set_table);
5519 item->tags_set_table = NULL;
5520 }
5521 if (item->tags_unset_table) {
5522 g_hash_table_foreach_remove(item->tags_unset_table, process_tags, GINT_TO_POINTER(FALSE));
5523 g_hash_table_destroy(item->tags_unset_table);
5524 item->tags_unset_table = NULL;
5525 }
5526
5527 }
5528
5529 static void imap_set_batch (Folder *folder, FolderItem *_item, gboolean batch)
5530 {
5531 IMAPFolderItem *item = (IMAPFolderItem *)_item;
5532 IMAPSession *session;
5533
5534 g_return_if_fail(item != NULL);
5535
5536 if (item->batching == batch)
5537 return;
5538
5539 if (batch) {
5540 item->batching = TRUE;
5541 debug_print("IMAP switching to batch mode\n");
5542 if (!item->flags_set_table) {
5543 item->flags_set_table = g_hash_table_new(NULL, g_direct_equal);
5544 }
5545 if (!item->flags_unset_table) {
5546 item->flags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5547 }
5548 if (!item->tags_set_table) {
5549 item->tags_set_table = g_hash_table_new(NULL, g_direct_equal);
5550 }
5551 if (!item->tags_unset_table) {
5552 item->tags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5553 }
5554 session = imap_session_get(folder);
5555 if (session) {
5556 imap_refresh_sensitivity(session);
5557 session->sens_update_block = TRUE;
5558 }
5559 } else {
5560 debug_print("IMAP switching away from batch mode\n");
5561 /* process stuff */
5562 process_hashtable(item);
5563 item->batching = FALSE;
5564 session = imap_session_get(folder);
5565 if (session) {
5566 session->sens_update_block = FALSE;
5567 imap_refresh_sensitivity(session);
5568 }
5569 }
5570 }
5571
5572
5573
5574 /* data types conversion libetpan <-> claws */
5575
5576
5577
5578 #define ETPAN_IMAP_MB_MARKED 1
5579 #define ETPAN_IMAP_MB_UNMARKED 2
5580 #define ETPAN_IMAP_MB_NOSELECT 4
5581 #define ETPAN_IMAP_MB_NOINFERIORS 8
5582
5583 static int imap_flags_to_flags(struct mailimap_mbx_list_flags * imap_flags)
5584 {
5585 int flags;
5586 clistiter * cur;
5587
5588 flags = 0;
5589 if (imap_flags->mbf_type == MAILIMAP_MBX_LIST_FLAGS_SFLAG) {
5590 switch (imap_flags->mbf_sflag) {
5591 case MAILIMAP_MBX_LIST_SFLAG_MARKED:
5592 flags |= ETPAN_IMAP_MB_MARKED;
5593 break;
5594 case MAILIMAP_MBX_LIST_SFLAG_NOSELECT:
5595 flags |= ETPAN_IMAP_MB_NOSELECT;
5596 break;
5597 case MAILIMAP_MBX_LIST_SFLAG_UNMARKED:
5598 flags |= ETPAN_IMAP_MB_UNMARKED;
5599 break;
5600 }
5601 }
5602
5603 if (imap_flags->mbf_oflags) {
5604 for(cur = clist_begin(imap_flags->mbf_oflags) ; cur != NULL ;
5605 cur = clist_next(cur)) {
5606 struct mailimap_mbx_list_oflag * oflag;
5607
5608 oflag = clist_content(cur);
5609
5610 switch (oflag->of_type) {
5611 case MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS:
5612 flags |= ETPAN_IMAP_MB_NOINFERIORS;
5613 break;
5614 }
5615 }
5616 }
5617 return flags;
5618 }
5619
5620 static GSList * imap_list_from_lep(IMAPFolder * folder,
5621 clist * list, const gchar * real_path, gboolean all)
5622 {
5623 clistiter * iter;
5624 GSList * item_list = NULL, *llast = NULL;
5625
5626 if (list) {
5627 for(iter = clist_begin(list) ; iter != NULL ;
5628 iter = clist_next(iter)) {
5629 struct mailimap_mailbox_list * mb;
5630 int flags;
5631 char delimiter;
5632 char * name;
5633 char * dup_name;
5634 gchar * base;
5635 gchar * loc_name;
5636 gchar * loc_path;
5637 FolderItem *new_item;
5638
5639 mb = clist_content(iter);
5640
5641 if (mb == NULL)
5642 continue;
5643
5644 flags = 0;
5645 if (mb->mb_flag != NULL)
5646 flags = imap_flags_to_flags(mb->mb_flag);
5647
5648 delimiter = mb->mb_delimiter;
5649 name = mb->mb_name;
5650
5651 dup_name = strdup(name);
5652 if (delimiter != '\0')
5653 subst_char(dup_name, delimiter, '/');
5654
5655 base = g_path_get_basename(dup_name);
5656 if (base[0] == '.') {
5657 g_free(base);
5658 free(dup_name);
5659 continue;
5660 }
5661 if (!all && path_cmp(name, real_path) == 0) {
5662 g_free(base);
5663 free(dup_name);
5664 continue;
5665 }
5666
5667 if (!all && dup_name[strlen(dup_name)-1] == '/') {
5668 g_free(base);
5669 free(dup_name);
5670 continue;
5671 }
5672
5673 loc_name = imap_modified_utf7_to_utf8(base, FALSE);
5674 loc_path = imap_modified_utf7_to_utf8(dup_name, FALSE);
5675
5676 new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
5677 if ((flags & ETPAN_IMAP_MB_NOINFERIORS) != 0)
5678 new_item->no_sub = TRUE;
5679 if (strcasecmp(dup_name, "INBOX") != 0 &&
5680 ((flags & ETPAN_IMAP_MB_NOSELECT) != 0))
5681 new_item->no_select = TRUE;
5682
5683 if (item_list == NULL)
5684 llast = item_list = g_slist_append(item_list, new_item);
5685 else {
5686 llast = g_slist_append(llast, new_item);
5687 llast = llast->next;
5688 }
5689 debug_print("folder '%s' found.\n", loc_path);
5690 g_free(base);
5691 g_free(loc_path);
5692 g_free(loc_name);
5693
5694 free(dup_name);
5695 }
5696 }
5697 return item_list;
5698 }
5699
5700 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist)
5701 {
5702 GSList *sorted_list, *cur;
5703 guint first, last, next;
5704 GSList *ret_list = NULL, *llast = NULL;
5705 struct mailimap_set * current_set;
5706 unsigned int item_count;
5707
5708 if (numlist == NULL)
5709 return NULL;
5710
5711 current_set = mailimap_set_new_empty();
5712
5713 sorted_list = g_slist_copy(numlist);
5714 sorted_list = g_slist_sort(sorted_list, g_int_compare);
5715
5716 first = GPOINTER_TO_INT(sorted_list->data);
5717
5718 item_count = 0;
5719 for (cur = sorted_list; cur != NULL; cur = g_slist_next(cur)) {
5720 if (GPOINTER_TO_INT(cur->data) == 0)
5721 continue;
5722
5723 item_count ++;
5724
5725 last = GPOINTER_TO_INT(cur->data);
5726 if (cur->next)
5727 next = GPOINTER_TO_INT(cur->next->data);
5728 else
5729 next = 0;
5730
5731 if (last + 1 != next || next == 0 || item_count >= folder->max_set_size) {
5732
5733 struct mailimap_set_item * item;
5734 item = mailimap_set_item_new(first, last);
5735 mailimap_set_add(current_set, item);
5736
5737 first = next;
5738
5739 if (item_count >= folder->max_set_size) {
5740 if (ret_list == NULL)
5741 llast = ret_list = g_slist_append(ret_list,
5742 current_set);
5743 else {
5744 llast = g_slist_append(llast, current_set);
5745 llast = llast->next;
5746 }
5747
5748 current_set = mailimap_set_new_empty();
5749 item_count = 0;
5750 }
5751 }
5752 }
5753
5754 if (clist_count(current_set->set_list) > 0) {
5755 ret_list = g_slist_append(ret_list,
5756 current_set);
5757 }
5758
5759 g_slist_free(sorted_list);
5760
5761 return ret_list;
5762 }
5763
5764 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist)
5765 {
5766 MsgNumberList *numlist = NULL;
5767 GSList *seq_list;
5768
5769 numlist = procmsg_get_number_list_for_msgs(msglist);
5770
5771 seq_list = imap_get_lep_set_from_numlist(folder, numlist);
5772 g_slist_free(numlist);
5773
5774 return seq_list;
5775 }
5776
5777 static GSList * imap_uid_list_from_lep(clist * list, gint* length)
5778 {
5779 clistiter * iter;
5780 GSList * result;
5781 gint len = 0;
5782
5783 result = NULL;
5784
5785 if (list) {
5786 for(iter = clist_begin(list) ; iter != NULL ;
5787 iter = clist_next(iter)) {
5788 uint32_t * puid;
5789
5790 puid = clist_content(iter);
5791 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5792 len++;
5793 }
5794 result = g_slist_reverse(result);
5795 }
5796 if (length)
5797 *length = len;
5798 return result;
5799 }
5800
5801 static GSList * imap_uid_list_from_lep_tab(carray * list)
5802 {
5803 unsigned int i;
5804 GSList * result;
5805
5806 result = NULL;
5807
5808 for(i = 0 ; i < carray_count(list) ; i ++) {
5809 uint32_t * puid;
5810
5811 puid = carray_get(list, i);
5812 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5813 }
5814 result = g_slist_reverse(result);
5815 return result;
5816 }
5817
5818 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
5819 GHashTable * hash,
5820 GHashTable * tags_hash)
5821 {
5822 unsigned int i;
5823
5824 for(i = 0 ; i < carray_count(list) ; i += 3) {
5825 uint32_t * puid;
5826 int * pflags;
5827 GSList *tags;
5828
5829 puid = carray_get(list, i);
5830 pflags = carray_get(list, i + 1);
5831 tags = carray_get(list, i + 2);
5832
5833 g_hash_table_insert(hash, GINT_TO_POINTER(*puid), GINT_TO_POINTER(* pflags));
5834 g_hash_table_insert(tags_hash, GINT_TO_POINTER(*puid), tags);
5835 }
5836 }
5837
5838 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
5839 FolderItem *item)
5840 {
5841 MsgInfo *msginfo = NULL;
5842 guint32 uid = 0;
5843 goffset size = 0;
5844 MsgFlags flags = {0, 0};
5845
5846 if (info->headers == NULL)
5847 return NULL;
5848
5849 MSG_SET_TMP_FLAGS(flags, MSG_IMAP);
5850 if (folder_has_parent_of_type(item, F_QUEUE)) {
5851 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
5852 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
5853 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
5854 }
5855 flags.perm_flags = info->flags;
5856
5857 uid = info->uid;
5858 size = (goffset) info->size;
5859 msginfo = procheader_parse_str(info->headers, flags, FALSE, FALSE);
5860
5861 if (msginfo) {
5862 msginfo->msgnum = uid;
5863 msginfo->size = size;
5864 }
5865
5866 return msginfo;
5867 }
5868
5869 static void imap_lep_set_free(GSList *seq_list)
5870 {
5871 GSList * cur;
5872
5873 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
5874 struct mailimap_set * imapset;
5875
5876 imapset = cur->data;
5877 mailimap_set_free(imapset);
5878 }
5879 g_slist_free(seq_list);
5880 }
5881
5882 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags)
5883 {
5884 struct mailimap_flag_list * flag_list;
5885 GSList *cur = tags;
5886
5887 flag_list = mailimap_flag_list_new_empty();
5888
5889 if (IMAP_IS_SEEN(flags))
5890 mailimap_flag_list_add(flag_list,
5891 mailimap_flag_new_seen());
5892 if (IMAP_IS_ANSWERED(flags))
5893 mailimap_flag_list_add(flag_list,
5894 mailimap_flag_new_answered());
5895 if (IMAP_IS_FLAGGED(flags))
5896 mailimap_flag_list_add(flag_list,
5897 mailimap_flag_new_flagged());
5898 if (IMAP_IS_DELETED(flags))
5899 mailimap_flag_list_add(flag_list,
5900 mailimap_flag_new_deleted());
5901 if (IMAP_IS_DRAFT(flags))
5902 mailimap_flag_list_add(flag_list,
5903 mailimap_flag_new_draft());
5904 if (IMAP_IS_FORWARDED(flags) && flag_ok(item, IMAP_FLAG_FORWARDED))
5905 mailimap_flag_list_add(flag_list,
5906 mailimap_flag_new_flag_keyword(strdup(RTAG_FORWARDED)));
5907 if (IMAP_IS_SPAM(flags) && flag_ok(item, IMAP_FLAG_SPAM))
5908 mailimap_flag_list_add(flag_list,
5909 mailimap_flag_new_flag_keyword(strdup(RTAG_JUNK)));
5910 else if (IMAP_IS_HAM(flags) && flag_ok(item, IMAP_FLAG_HAM))
5911 mailimap_flag_list_add(flag_list,
5912 mailimap_flag_new_flag_keyword(strdup(RTAG_NON_JUNK)));
5913
5914 for (; cur; cur = cur->next) {
5915 gchar *enc_str =
5916 imap_utf8_to_modified_utf7(cur->data, TRUE);
5917 g_strstrip(enc_str);
5918
5919 mailimap_flag_list_add(flag_list,
5920 mailimap_flag_new_flag_keyword(enc_str));
5921 }
5922
5923 return flag_list;
5924 }
5925
5926 guint imap_folder_get_refcnt(Folder *folder)
5927 {
5928 return ((IMAPFolder *)folder)->refcnt;
5929 }
5930
5931 void imap_folder_ref(Folder *folder)
5932 {
5933 ((IMAPFolder *)folder)->refcnt++;
5934 }
5935
5936 void imap_disconnect_all(gboolean have_connectivity)
5937 {
5938 GList *list;
5939 gboolean short_timeout;
5940 #ifdef HAVE_NETWORKMANAGER_SUPPORT
5941 GError *error = NULL;
5942
5943 short_timeout = !networkmanager_is_online(&error);
5944 if(error) {
5945 short_timeout = TRUE;
5946 g_error_free(error);
5947 }
5948 #else
5949 short_timeout = TRUE;
5950 #endif
5951
5952 if(short_timeout)
5953 imap_main_set_timeout(1);
5954
5955 for (list = account_get_list(); list != NULL; list = list->next) {
5956 PrefsAccount *account = list->data;
5957 if (account->protocol == A_IMAP4) {
5958 RemoteFolder *folder = (RemoteFolder *)account->folder;
5959 if (folder && folder->session) {
5960 if (imap_is_busy(FOLDER(folder)))
5961 imap_threaded_cancel(FOLDER(folder));
5962
5963 IMAPSession *session = (IMAPSession *)folder->session;
5964 if (have_connectivity)
5965 imap_threaded_disconnect(FOLDER(folder));
5966 SESSION(session)->state = SESSION_DISCONNECTED;
5967 SESSION(session)->sock = NULL;
5968 imap_safe_destroy(session);
5969 folder->session = NULL;
5970 }
5971 }
5972 }
5973
5974 if(short_timeout)
5975 imap_main_set_timeout(prefs_common.io_timeout_secs);
5976 }
5977
5978 void imap_folder_unref(Folder *folder)
5979 {
5980 if (((IMAPFolder *)folder)->refcnt > 0)
5981 ((IMAPFolder *)folder)->refcnt--;
5982 }
5983
5984 void imap_cancel_all(void)
5985 {
5986 GList *folderlist;
5987 GList *cur;
5988
5989 folderlist = folder_get_list();
5990 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
5991 Folder *folder = (Folder *) cur->data;
5992
5993 if (folder->klass == &imap_class) {
5994 if (imap_is_busy(folder)) {
5995 IMAPSession *imap_session;
5996 RemoteFolder *rfolder;
5997
5998 g_printerr("cancelled\n");
5999 imap_threaded_cancel(folder);
6000 rfolder = (RemoteFolder *) folder;
6001 imap_session = (IMAPSession *) rfolder->session;
6002 if (imap_session)
6003 imap_session->cancelled = 1;
6004 }
6005 }
6006 }
6007 }
6008
6009 gboolean imap_cancel_all_enabled(void)
6010 {
6011 GList *folderlist;
6012 GList *cur;
6013
6014 folderlist = folder_get_list();
6015 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6016 Folder *folder = (Folder *) cur->data;
6017
6018 if (folder->klass == &imap_class) {
6019 if (imap_is_busy(folder)) {
6020 return TRUE;
6021 }
6022 }
6023 }
6024
6025 return FALSE;
6026 }
6027
6028 static gboolean imap_is_busy(Folder *folder)
6029 {
6030 IMAPSession *imap_session;
6031 RemoteFolder *rfolder;
6032
6033 rfolder = (RemoteFolder *) folder;
6034 imap_session = (IMAPSession *) rfolder->session;
6035 if (imap_session == NULL)
6036 return FALSE;
6037
6038 return imap_session->busy;
6039 }
6040
6041 #else /* HAVE_LIBETPAN */
6042
6043 static FolderClass imap_class;
6044
6045 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
6046 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
6047
6048 static Folder *imap_folder_new (const gchar *name,
6049 const gchar *path)
6050 {
6051 static gboolean missing_imap_warning = TRUE;
6052 if (missing_imap_warning) {
6053 missing_imap_warning = FALSE;
6054 alertpanel_error(
6055 _("You have one or more IMAP accounts "
6056 "defined. However this version of "
6057 "Claws Mail has been built without "
6058 "IMAP support; your IMAP accounts are "
6059 "disabled.\n\n"
6060 "You probably need to "
6061 "install libetpan and recompile "
6062 "Claws Mail."));
6063 }
6064 return NULL;
6065 }
6066 static gint imap_create_tree (Folder *folder)
6067 {
6068 return -1;
6069 }
6070 static FolderItem *imap_create_folder (Folder *folder,
6071 FolderItem *parent,
6072 const gchar *name)
6073 {
6074 return NULL;
6075 }
6076 static gint imap_rename_folder (Folder *folder,
6077 FolderItem *item,
6078 const gchar *name)
6079 {
6080 return -1;
6081 }
6082
6083 gchar imap_get_path_separator_for_item(FolderItem *item)
6084 {
6085 return '/';
6086 }
6087
6088 FolderClass *imap_get_class(void)
6089 {
6090 if (imap_class.idstr == NULL) {
6091 imap_class.type = F_IMAP;
6092 imap_class.idstr = "imap";
6093 imap_class.uistr = "IMAP";
6094
6095 imap_class.new_folder = imap_folder_new;
6096 imap_class.create_tree = imap_create_tree;
6097 imap_class.create_folder = imap_create_folder;
6098 imap_class.rename_folder = imap_rename_folder;
6099
6100 imap_class.set_xml = folder_set_xml;
6101 imap_class.get_xml = folder_get_xml;
6102 imap_class.item_set_xml = imap_item_set_xml;
6103 imap_class.item_get_xml = imap_item_get_xml;
6104 /* nothing implemented */
6105 }
6106
6107 return &imap_class;
6108 }
6109
6110 void imap_disconnect_all(gboolean have_connectivity)
6111 {
6112 }
6113
6114 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
6115 {
6116 return -1;
6117 }
6118
6119 GList * imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
6120 {
6121 return NULL;
6122 }
6123
6124 void imap_cache_msg(FolderItem *item, gint msgnum)
6125 {
6126 }
6127
6128 void imap_cancel_all(void)
6129 {
6130 }
6131
6132 gboolean imap_cancel_all_enabled(void)
6133 {
6134 return FALSE;
6135 }
6136
6137 #endif
6138
6139 #ifdef HAVE_LIBETPAN
6140 static void imap_synchronise(FolderItem *item, gint days)
6141 {
6142 if (IMAP_FOLDER_ITEM(item)->last_sync == IMAP_FOLDER_ITEM(item)->last_change) {
6143 debug_print("%s already synced\n", item->path?item->path:item->name);
6144 return;
6145 }
6146 debug_print("syncing %s\n", item->path?item->path:item->name);
6147 imap_gtk_synchronise(item, days);
6148 IMAP_FOLDER_ITEM(item)->last_sync = IMAP_FOLDER_ITEM(item)->last_change;
6149 }
6150 #endif
6151
6152 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
6153 {
6154 #ifdef HAVE_LIBETPAN
6155 GList *cur;
6156 #endif
6157 folder_item_set_xml(folder, item, tag);
6158
6159 #ifdef HAVE_LIBETPAN
6160 for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
6161 XMLAttr *attr = (XMLAttr *) cur->data;
6162
6163 if (!attr || !attr->name || !attr->value) continue;
6164 if (!strcmp(attr->name, "uidnext"))
6165 IMAP_FOLDER_ITEM(item)->uid_next = atoi(attr->value);
6166 if (!strcmp(attr->name, "last_sync"))
6167 IMAP_FOLDER_ITEM(item)->last_sync = atoi(attr->value);
6168 if (!strcmp(attr->name, "last_change"))
6169 IMAP_FOLDER_ITEM(item)->last_change = atoi(attr->value);
6170 }
6171 if (IMAP_FOLDER_ITEM(item)->last_change == 0)
6172 IMAP_FOLDER_ITEM(item)->last_change = time(NULL);
6173 #endif
6174 }
6175
6176 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item)
6177 {
6178 XMLTag *tag;
6179
6180 tag = folder_item_get_xml(folder, item);
6181
6182 #ifdef HAVE_LIBETPAN
6183 xml_tag_add_attr(tag, xml_attr_new_int("uidnext",
6184 IMAP_FOLDER_ITEM(item)->uid_next));
6185 xml_tag_add_attr(tag, xml_attr_new_int("last_sync",
6186 IMAP_FOLDER_ITEM(item)->last_sync));
6187 xml_tag_add_attr(tag, xml_attr_new_int("last_change",
6188 IMAP_FOLDER_ITEM(item)->last_change));
6189
6190 #endif
6191 return tag;
6192 }
6193
6194 /* ===================================================================
6195 * UTF-7 conversion routines as in RFC 2192
6196 * ===================================================================
6197 * These two functions from:
6198 * libimap library.
6199 * Copyright (C) 2003-2004 Pawel Salek. */
6200
6201 /* UTF7 modified base64 alphabet */
6202 static char base64chars[] =
6203 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+,";
6204 #define UNDEFINED 64
6205
6206 /* UTF16 definitions */
6207 #define UTF16MASK 0x03FFUL
6208 #define UTF16SHIFT 10
6209 #define UTF16BASE 0x10000UL
6210 #define UTF16HIGHSTART 0xD800UL
6211 #define UTF16HIGHEND 0xDBFFUL
6212 #define UTF16LOSTART 0xDC00UL
6213 #define UTF16LOEND 0xDFFFUL
6214
6215
6216 /* Convert an IMAP mailbox to a UTF-8 string.
6217 * dst needs to have roughly 4 times the storage space of src
6218 * Hex encoding can triple the size of the input
6219 * UTF-7 can be slightly denser than UTF-8
6220 * (worst case: 8 octets UTF-7 becomes 9 octets UTF-8)
6221 */
6222 char* imap_modified_utf7_to_utf8(const char *mbox, gboolean change_spaces)
6223 {
6224 unsigned c, i, bitcount;
6225 unsigned long ucs4, utf16, bitbuf;
6226 unsigned char base64[256];
6227 const char *src;
6228 char *dst, *res = g_malloc(2*strlen(mbox)+1);
6229
6230 dst = res;
6231 src = mbox;
6232 if(!dst) return NULL;
6233 /* initialize modified base64 decoding table */
6234 memset(base64, UNDEFINED, sizeof (base64));
6235 for (i = 0; i < sizeof (base64chars); ++i) {
6236 base64[(unsigned)base64chars[i]] = i;
6237 }
6238
6239 /* loop until end of string */
6240 while (*src != '\0') {
6241 c = *src++;
6242 /* deal with literal characters and &- */
6243 if (c != '&' || *src == '-') {
6244 /* encode literally */
6245 if (change_spaces && c == '_')
6246 *dst++ = ' ';
6247 else
6248 *dst++ = c;
6249 /* skip over the '-' if this is an &- sequence */
6250 if (c == '&') ++src;
6251 } else {
6252 /* convert modified UTF-7 -> UTF-16 -> UCS-4 -> UTF-8 -> HEX */
6253 bitbuf = 0;
6254 bitcount = 0;
6255 ucs4 = 0;
6256 while ((c = base64[(unsigned char) *src]) != UNDEFINED) {
6257 ++src;
6258 bitbuf = (bitbuf << 6) | c;
6259 bitcount += 6;
6260 /* enough bits for a UTF-16 character? */
6261 if (bitcount >= 16) {
6262 bitcount -= 16;
6263 utf16 = (bitcount ? bitbuf >> bitcount
6264 : bitbuf) & 0xffff;
6265 /* convert UTF16 to UCS4 */
6266 if
6267 (utf16 >= UTF16HIGHSTART && utf16 <= UTF16HIGHEND) {
6268 ucs4 = (utf16 - UTF16HIGHSTART) << UTF16SHIFT;
6269 continue;
6270 } else if
6271 (utf16 >= UTF16LOSTART && utf16 <= UTF16LOEND) {
6272 ucs4 += utf16 - UTF16LOSTART + UTF16BASE;
6273 } else {
6274 ucs4 = utf16;
6275 }
6276
6277 /* convert UTF-16 range of UCS4 to UTF-8 */
6278 if (ucs4 <= 0x7fUL) {
6279 dst[0] = ucs4;
6280 dst += 1;
6281 } else if (ucs4 <= 0x7ffUL) {
6282 dst[0] = 0xc0 | (ucs4 >> 6);
6283 dst[1] = 0x80 | (ucs4 & 0x3f);
6284 dst += 2;
6285 } else if (ucs4 <= 0xffffUL) {
6286 dst[0] = 0xe0 | (ucs4 >> 12);
6287 dst[1] = 0x80 | ((ucs4 >> 6) & 0x3f);
6288 dst[2] = 0x80 | (ucs4 & 0x3f);
6289 dst += 3;
6290 } else {
6291 dst[0] = 0xf0 | (ucs4 >> 18);
6292 dst[1] = 0x80 | ((ucs4 >> 12) & 0x3f);
6293 dst[2] = 0x80 | ((ucs4 >> 6) & 0x3f);
6294 dst[3] = 0x80 | (ucs4 & 0x3f);
6295 dst += 4;
6296 }
6297 }
6298 }
6299 /* skip over trailing '-' in modified UTF-7 encoding */
6300 if (*src == '-') ++src;
6301 }
6302 }
6303 /* terminate destination string */
6304 *dst = '\0';
6305 return res;
6306 }
6307
6308 /* Convert hex coded UTF-8 string to modified UTF-7 IMAP mailbox
6309 * dst should be about twice the length of src to deal with non-hex
6310 * coded URLs
6311 */
6312 char* imap_utf8_to_modified_utf7(const char *src, gboolean change_spaces)
6313 {
6314 unsigned int utf8pos, utf8total, c, utf7mode, bitstogo, utf16flag;
6315 unsigned long ucs4 = 0, bitbuf = 0;
6316
6317 /* initialize hex lookup table */
6318 char *dst, *res;
6319
6320 if (!src) return NULL;
6321
6322 res = malloc(2*strlen(src)+1);
6323 dst = res;
6324 if(!dst) return NULL;
6325
6326 utf7mode = 0;
6327 utf8total = 0;
6328 bitstogo = 0;
6329 utf8pos = 0;
6330 while ((c = (unsigned char)*src) != '\0') {
6331 ++src;
6332 /* normal character? */
6333 if (c >= ' ' && c <= '~' && (c != '_' || !change_spaces)) {
6334 /* switch out of UTF-7 mode */
6335 if (utf7mode) {
6336 if (bitstogo) {
6337 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6338 }
6339 *dst++ = '-';
6340 utf7mode = 0;
6341 utf8pos = 0;
6342 bitstogo = 0;
6343 utf8total= 0;
6344 }
6345 if (change_spaces && c == ' ')
6346 *dst++ = '_';
6347 else
6348 *dst++ = c;
6349 /* encode '&' as '&-' */
6350 if (c == '&') {
6351 *dst++ = '-';
6352 }
6353 continue;
6354 }
6355 /* switch to UTF-7 mode */
6356 if (!utf7mode) {
6357 *dst++ = '&';
6358 utf7mode = 1;
6359 }
6360 /* Encode US-ASCII characters as themselves */
6361 if (c < 0x80) {
6362 ucs4 = c;
6363 } else if (utf8total) {
6364 /* save UTF8 bits into UCS4 */
6365 ucs4 = (ucs4 << 6) | (c & 0x3FUL);
6366 if (++utf8pos < utf8total) {
6367 continue;
6368 }
6369 } else {
6370 utf8pos = 1;
6371 if (c < 0xE0) {
6372 utf8total = 2;
6373 ucs4 = c & 0x1F;
6374 } else if (c < 0xF0) {
6375 utf8total = 3;
6376 ucs4 = c & 0x0F;
6377 } else {
6378 /* NOTE: can't convert UTF8 sequences longer than 4 */
6379 utf8total = 4;
6380 ucs4 = c & 0x03;
6381 }
6382 continue;
6383 }
6384 /* loop to split ucs4 into two utf16 chars if necessary */
6385 utf8total = 0;
6386 do {
6387 if (ucs4 >= UTF16BASE) {
6388 ucs4 -= UTF16BASE;
6389 bitbuf = (bitbuf << 16) | ((ucs4 >> UTF16SHIFT)
6390 + UTF16HIGHSTART);
6391 ucs4 = (ucs4 & UTF16MASK) + UTF16LOSTART;
6392 utf16flag = 1;
6393 } else {
6394 bitbuf = (bitbuf << 16) | ucs4;
6395 utf16flag = 0;
6396 }
6397 bitstogo += 16;
6398 /* spew out base64 */
6399 while (bitstogo >= 6) {
6400 bitstogo -= 6;
6401 *dst++ = base64chars[(bitstogo ? (bitbuf >> bitstogo)
6402 : bitbuf)
6403 & 0x3F];
6404 }
6405 } while (utf16flag);
6406 }
6407 /* if in UTF-7 mode, finish in ASCII */
6408 if (utf7mode) {
6409 if (bitstogo) {
6410 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6411 }
6412 *dst++ = '-';
6413 }
6414 /* tie off string */
6415 *dst = '\0';
6416 return res;
6417 }