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Use custom get_default_font_size() and _name()
[claws.git] / src / imap.c
blob3450e2d8d7964771ff4567f02f5c03c919095158
1 /*
2 * Claws Mail -- a GTK based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2023 the Claws Mail team and Hiroyuki Yamamoto
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #include "claws-features.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include "imap.h"
31 #include "imap_gtk.h"
32 #include "inc.h"
33 #include "xml.h"
34 #include "alertpanel.h"
35
36 #ifdef HAVE_LIBETPAN
37
38 #include <stdlib.h>
39 #include <dirent.h>
40 #include <unistd.h>
41 #include <ctype.h>
42 #include <time.h>
43 #include <errno.h>
44 #if HAVE_ICONV
45 # include <iconv.h>
46 #endif
47
48 #ifdef USE_GNUTLS
49 # include "ssl.h"
50 #endif
51
52 #include "folder.h"
53 #include "session.h"
54 #include "procmsg.h"
55 #include "socket.h"
56 #include "recv.h"
57 #include "procheader.h"
58 #include "prefs_account.h"
59 #include "codeconv.h"
60 #include "md5.h"
61 #include "utils.h"
62 #include "prefs_common.h"
63 #include "inputdialog.h"
64 #include "log.h"
65 #include "remotefolder.h"
66 #include "claws.h"
67 #include "statusbar.h"
68 #include "msgcache.h"
69 #include "imap-thread.h"
70 #include "account.h"
71 #include "tags.h"
72 #include "main.h"
73 #include "passwordstore.h"
74 #include "file-utils.h"
75 #ifdef USE_OAUTH2
76 #include "oauth2.h"
77 #endif
78
79 typedef struct _IMAPFolder IMAPFolder;
80 typedef struct _IMAPSession IMAPSession;
81 typedef struct _IMAPNameSpace IMAPNameSpace;
82 typedef struct _IMAPFolderItem IMAPFolderItem;
83
84 #define IMAP_FOLDER(obj) ((IMAPFolder *)obj)
85 #define IMAP_FOLDER_ITEM(obj) ((IMAPFolderItem *)obj)
86 #define IMAP_SESSION(obj) ((IMAPSession *)obj)
87
88 struct _IMAPFolder
89 {
90 RemoteFolder rfolder;
91
92 /* list of IMAPNameSpace */
93 GList *ns_personal;
94 GList *ns_others;
95 GList *ns_shared;
96 gchar last_seen_separator;
97 guint refcnt;
98 guint max_set_size;
99 gchar *search_charset;
100 gboolean search_charset_supported;
101 };
102
103 struct _IMAPSession
104 {
105 Session session;
106
107 gboolean authenticated;
108
109 GSList *capability;
110 gboolean uidplus;
111
112 gchar *mbox;
113 guint cmd_count;
114
115 /* CLAWS */
116 gboolean folder_content_changed;
117 guint exists;
118 guint recent;
119 guint expunge;
120 guint unseen;
121 guint uid_validity;
122 guint uid_next;
123
124 Folder * folder;
125 gboolean busy;
126 gboolean cancelled;
127 gboolean sens_update_block;
128 gboolean do_destroy;
129
130 gint scan_tree_recurs_depth;
131 };
132
133 struct _IMAPNameSpace
134 {
135 gchar *name;
136 gchar separator;
137 };
138
139 #define IMAPBUFSIZE 8192
140
141 #define IMAP_IS_SEEN(flags) ((flags & IMAP_FLAG_SEEN) != 0)
142 #define IMAP_IS_ANSWERED(flags) ((flags & IMAP_FLAG_ANSWERED) != 0)
143 #define IMAP_IS_FLAGGED(flags) ((flags & IMAP_FLAG_FLAGGED) != 0)
144 #define IMAP_IS_DELETED(flags) ((flags & IMAP_FLAG_DELETED) != 0)
145 #define IMAP_IS_DRAFT(flags) ((flags & IMAP_FLAG_DRAFT) != 0)
146 #define IMAP_IS_FORWARDED(flags) ((flags & IMAP_FLAG_FORWARDED) != 0)
147 #define IMAP_IS_SPAM(flags) ((flags & IMAP_FLAG_SPAM) != 0)
148 #define IMAP_IS_HAM(flags) ((flags & IMAP_FLAG_HAM) != 0)
149
150
151 #define IMAP4_PORT 143
152 #ifdef USE_GNUTLS
153 #define IMAPS_PORT 993
154 #endif
155
156 #define IMAP_CMD_LIMIT 1000
157
158 enum {
159 ITEM_CAN_CREATE_FLAGS_UNKNOWN = 0,
160 ITEM_CAN_CREATE_FLAGS,
161 ITEM_CANNOT_CREATE_FLAGS
162 };
163
164 struct _IMAPFolderItem
165 {
166 FolderItem item;
167
168 guint lastuid;
169 guint uid_next;
170 GSList *uid_list;
171 gboolean batching;
172
173 GHashTable *flags_set_table;
174 GHashTable *flags_unset_table;
175 guint32 last_change;
176 guint32 last_sync;
177 gboolean should_update;
178 gboolean should_trash_cache;
179 gint can_create_flags;
180
181 GHashTable *tags_set_table;
182 GHashTable *tags_unset_table;
183 GSList *ok_flags;
184
185 };
186
187 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
188 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
189
190 static void imap_folder_init (Folder *folder,
191 const gchar *name,
192 const gchar *path);
193
194 static Folder *imap_folder_new (const gchar *name,
195 const gchar *path);
196 static void imap_folder_destroy (Folder *folder);
197
198 static IMAPSession *imap_session_new (Folder *folder,
199 const PrefsAccount *account);
200 static gint imap_session_authenticate(IMAPSession *session,
201 PrefsAccount *account);
202 static void imap_session_destroy (Session *session);
203
204 static gchar *imap_fetch_msg (Folder *folder,
205 FolderItem *item,
206 gint uid);
207 static gchar *imap_fetch_msg_full (Folder *folder,
208 FolderItem *item,
209 gint uid,
210 gboolean headers,
211 gboolean body);
212 static void imap_remove_cached_msg (Folder *folder,
213 FolderItem *item,
214 MsgInfo *msginfo);
215 static gint imap_add_msg (Folder *folder,
216 FolderItem *dest,
217 const gchar *file,
218 MsgFlags *flags);
219 static gint imap_add_msgs (Folder *folder,
220 FolderItem *dest,
221 GSList *file_list,
222 GHashTable *relation);
223
224 static gint imap_copy_msg (Folder *folder,
225 FolderItem *dest,
226 MsgInfo *msginfo);
227 static gint imap_copy_msgs (Folder *folder,
228 FolderItem *dest,
229 MsgInfoList *msglist,
230 GHashTable *relation);
231
232 static gint search_msgs (Folder *folder,
233 FolderItem *container,
234 MsgNumberList **msgs,
235 gboolean *on_server,
236 MatcherList *predicate,
237 SearchProgressNotify progress_cb,
238 gpointer progress_data);
239
240 static gint imap_remove_msg (Folder *folder,
241 FolderItem *item,
242 gint uid);
243 static gint imap_remove_msgs (Folder *folder,
244 FolderItem *dest,
245 MsgInfoList *msglist,
246 GHashTable *relation);
247 static gint imap_expunge (Folder *folder,
248 FolderItem *dest);
249 static gint imap_remove_all_msg (Folder *folder,
250 FolderItem *item);
251
252 static gboolean imap_is_msg_changed (Folder *folder,
253 FolderItem *item,
254 MsgInfo *msginfo);
255
256 static gint imap_close (Folder *folder,
257 FolderItem *item);
258
259 static gint imap_scan_tree (Folder *folder);
260
261 static gint imap_create_tree (Folder *folder);
262
263 static FolderItem *imap_create_folder (Folder *folder,
264 FolderItem *parent,
265 const gchar *name);
266 static gint imap_rename_folder (Folder *folder,
267 FolderItem *item,
268 const gchar *name);
269 static gint imap_remove_folder (Folder *folder,
270 FolderItem *item);
271
272 static FolderItem *imap_folder_item_new (Folder *folder);
273 static void imap_folder_item_destroy (Folder *folder,
274 FolderItem *item);
275
276 static IMAPSession *imap_session_get (Folder *folder);
277
278 static gint imap_auth (IMAPSession *session,
279 const gchar *user,
280 const gchar *pass,
281 IMAPAuthType type);
282
283 static gint imap_scan_tree_recursive (IMAPSession *session,
284 FolderItem *item,
285 gboolean subs_only);
286 static gint imap_scan_tree_recursive_dive (IMAPSession *session,
287 FolderItem *item,
288 gboolean subs_only);
289
290 static void imap_create_missing_folders (Folder *folder);
291 static FolderItem *imap_create_special_folder
292 (Folder *folder,
293 SpecialFolderItemType stype,
294 const gchar *name);
295
296 static gint imap_do_copy_msgs (Folder *folder,
297 FolderItem *dest,
298 MsgInfoList *msglist,
299 GHashTable *relation,
300 gboolean same_dest_ok);
301
302 static gint imap_do_remove_msgs (Folder *folder,
303 FolderItem *dest,
304 MsgInfoList *msglist,
305 GHashTable *relation);
306
307 static void imap_delete_all_cached_messages (FolderItem *item);
308 static void imap_set_batch (Folder *folder,
309 FolderItem *item,
310 gboolean batch);
311 static gint imap_set_message_flags (IMAPSession *session,
312 IMAPFolderItem *item,
313 MsgNumberList *numlist,
314 IMAPFlags flags,
315 GSList *tags,
316 gboolean is_set);
317 static gint imap_select (IMAPSession *session,
318 IMAPFolder *folder,
319 FolderItem *item,
320 gint *exists,
321 gint *recent,
322 gint *unseen,
323 guint32 *uid_validity,
324 gint *can_create_flags,
325 gboolean block);
326 static gint imap_status (IMAPSession *session,
327 IMAPFolder *folder,
328 const gchar *path,
329 IMAPFolderItem *item,
330 gint *messages,
331 guint32 *uid_next,
332 guint32 *uid_validity,
333 gint *unseen,
334 gboolean block);
335 static void imap_commit_tags (FolderItem *item,
336 MsgInfo *msginfo,
337 GSList *set_tags,
338 GSList *unset_tags);
339
340 static gchar imap_get_path_separator (IMAPSession *session,
341 IMAPFolder *folder,
342 const gchar *path,
343 gint *ok);
344 static gchar *imap_get_real_path (IMAPSession *session,
345 IMAPFolder *folder,
346 const gchar *path,
347 gint *ok);
348 #ifdef HAVE_LIBETPAN
349 static void imap_synchronise (FolderItem *item, gint days);
350 #endif
351 static gboolean imap_is_busy (Folder *folder);
352
353 static void imap_free_capabilities (IMAPSession *session);
354
355 /* low-level IMAP4rev1 commands */
356 static gint imap_cmd_login (IMAPSession *session,
357 const gchar *user,
358 const gchar *pass,
359 const gchar *type);
360 static gint imap_cmd_noop (IMAPSession *session);
361 #ifdef USE_GNUTLS
362 static gint imap_cmd_starttls (IMAPSession *session);
363 #endif
364 static gint imap_cmd_select (IMAPSession *session,
365 const gchar *folder,
366 gint *exists,
367 gint *recent,
368 gint *unseen,
369 guint32 *uid_validity,
370 gint *can_create_flags,
371 GSList **ok_flags,
372 gboolean block);
373 static gint imap_cmd_close (IMAPSession *session);
374 static gint imap_cmd_examine (IMAPSession *session,
375 const gchar *folder,
376 gint *exists,
377 gint *recent,
378 gint *unseen,
379 guint32 *uid_validity,
380 gboolean block);
381 static gint imap_cmd_create (IMAPSession *sock,
382 const gchar *folder);
383 static gint imap_cmd_rename (IMAPSession *sock,
384 const gchar *oldfolder,
385 const gchar *newfolder);
386 static gint imap_cmd_delete (IMAPSession *session,
387 const gchar *folder);
388 static gint imap_cmd_fetch (IMAPSession *sock,
389 guint32 uid,
390 const gchar *filename,
391 gboolean headers,
392 gboolean body);
393 static gint imap_cmd_append (IMAPSession *session,
394 IMAPFolderItem *item,
395 const gchar *destfolder,
396 const gchar *file,
397 IMAPFlags flags,
398 guint32 *new_uid);
399 static gint imap_cmd_copy (IMAPSession *session,
400 struct mailimap_set * set,
401 const gchar *destfolder,
402 struct mailimap_set ** source,
403 struct mailimap_set ** dest);
404 static gint imap_cmd_store (IMAPSession *session,
405 IMAPFolderItem *item,
406 struct mailimap_set * set,
407 IMAPFlags flags,
408 GSList *tags,
409 int do_add);
410 static gint imap_cmd_expunge (IMAPSession *session);
411
412 static void imap_path_separator_subst (gchar *str,
413 gchar separator);
414
415 static gboolean imap_rename_folder_func (GNode *node,
416 gpointer data);
417 static gint imap_get_num_list (Folder *folder,
418 FolderItem *item,
419 GSList **list,
420 gboolean *old_uids_valid);
421 static GSList *imap_get_msginfos (Folder *folder,
422 FolderItem *item,
423 GSList *msgnum_list);
424 static MsgInfo *imap_get_msginfo (Folder *folder,
425 FolderItem *item,
426 gint num);
427 static gboolean imap_scan_required (Folder *folder,
428 FolderItem *item);
429 static void imap_change_flags (Folder *folder,
430 FolderItem *item,
431 MsgInfo *msginfo,
432 MsgPermFlags newflags);
433 static gint imap_get_flags (Folder *folder,
434 FolderItem *item,
435 MsgInfoList *msglist,
436 GHashTable *msgflags);
437 static gchar *imap_item_get_path (Folder *folder,
438 FolderItem *item);
439 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item);
440
441
442 /* data types conversion libetpan <-> claws */
443 static GSList * imap_list_from_lep(IMAPFolder * folder,
444 clist * list, const gchar * real_path, gboolean all);
445 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist);
446 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist);
447 static GSList * imap_uid_list_from_lep(clist * list, gint* length);
448 static GSList * imap_uid_list_from_lep_tab(carray * list);
449 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
450 GHashTable * hash,
451 GHashTable *tags_hash);
452 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
453 FolderItem *item);
454 static void imap_lep_set_free(GSList *seq_list);
455 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags);
456
457 typedef struct _hashtable_data {
458 GSList *msglist;
459 IMAPFolderItem *item;
460 } hashtable_data;
461
462 static FolderClass imap_class;
463
464 FolderClass *imap_get_class(void)
465 {
466 if (imap_class.idstr == NULL) {
467 imap_class.type = F_IMAP;
468 imap_class.idstr = "imap";
469 imap_class.uistr = "IMAP";
470 imap_class.supports_server_search = TRUE;
471
472 /* Folder functions */
473 imap_class.new_folder = imap_folder_new;
474 imap_class.destroy_folder = imap_folder_destroy;
475 imap_class.scan_tree = imap_scan_tree;
476 imap_class.create_tree = imap_create_tree;
477
478 /* FolderItem functions */
479 imap_class.item_new = imap_folder_item_new;
480 imap_class.item_destroy = imap_folder_item_destroy;
481 imap_class.item_get_path = imap_item_get_path;
482 imap_class.create_folder = imap_create_folder;
483 imap_class.rename_folder = imap_rename_folder;
484 imap_class.remove_folder = imap_remove_folder;
485 imap_class.close = imap_close;
486 imap_class.get_num_list = imap_get_num_list;
487 imap_class.scan_required = imap_scan_required;
488 imap_class.set_xml = folder_set_xml;
489 imap_class.get_xml = folder_get_xml;
490 imap_class.item_set_xml = imap_item_set_xml;
491 imap_class.item_get_xml = imap_item_get_xml;
492
493 /* Message functions */
494 imap_class.get_msginfo = imap_get_msginfo;
495 imap_class.get_msginfos = imap_get_msginfos;
496 imap_class.fetch_msg = imap_fetch_msg;
497 imap_class.fetch_msg_full = imap_fetch_msg_full;
498 imap_class.add_msg = imap_add_msg;
499 imap_class.add_msgs = imap_add_msgs;
500 imap_class.copy_msg = imap_copy_msg;
501 imap_class.copy_msgs = imap_copy_msgs;
502 imap_class.search_msgs = search_msgs;
503 imap_class.remove_msg = imap_remove_msg;
504 imap_class.remove_msgs = imap_remove_msgs;
505 imap_class.expunge = imap_expunge;
506 imap_class.remove_all_msg = imap_remove_all_msg;
507 imap_class.is_msg_changed = imap_is_msg_changed;
508 imap_class.change_flags = imap_change_flags;
509 imap_class.get_flags = imap_get_flags;
510 imap_class.set_batch = imap_set_batch;
511 imap_class.synchronise = imap_synchronise;
512 imap_class.remove_cached_msg = imap_remove_cached_msg;
513 imap_class.commit_tags = imap_commit_tags;
514 }
515
516 return &imap_class;
517 }
518
519 static void imap_refresh_sensitivity (IMAPSession *session)
520 {
521 MainWindow *mainwin;
522
523 if (session->sens_update_block)
524 return;
525 mainwin = mainwindow_get_mainwindow();
526 if (mainwin) {
527 toolbar_main_set_sensitive(mainwin);
528 main_window_set_menu_sensitive(mainwin);
529 }
530 }
531
532 static void lock_session(IMAPSession *session)
533 {
534 if (session) {
535 debug_print("locking session %p (%d)\n", session, session->busy);
536 if (session->busy)
537 debug_print(" SESSION WAS LOCKED !! \n");
538 session->busy = TRUE;
539 imap_refresh_sensitivity(session);
540 } else {
541 debug_print("can't lock null session\n");
542 }
543 }
544
545 static void unlock_session(IMAPSession *session)
546 {
547 if (session) {
548 debug_print("unlocking session %p\n", session);
549 session->busy = FALSE;
550 imap_refresh_sensitivity(session);
551 } else {
552 debug_print("can't unlock null session\n");
553 }
554 }
555
556 static gboolean imap_ping(gpointer data)
557 {
558 Session *session = (Session *)data;
559 IMAPSession *imap_session = IMAP_SESSION(session);
560 int r;
561
562 if (session->state != SESSION_READY)
563 return FALSE;
564 if (imap_session->busy || !imap_session->authenticated)
565 return TRUE;
566
567 lock_session(imap_session);
568 r = imap_cmd_noop(imap_session);
569 unlock_session(imap_session);
570
571 return r == MAILIMAP_NO_ERROR;
572 }
573
574 static void imap_disc_session_destroy(IMAPSession *session)
575 {
576 RemoteFolder *rfolder = NULL;
577
578 if (session == NULL)
579 return;
580
581 rfolder = REMOTE_FOLDER(IMAP_SESSION(session)->folder);
582
583 if (rfolder == NULL)
584 return;
585 log_warning(LOG_PROTOCOL, _("IMAP connection broken\n"));
586 SESSION(session)->state = SESSION_DISCONNECTED;
587 SESSION(session)->sock = NULL;
588 }
589
590 static void imap_safe_destroy(IMAPSession *session)
591 {
592 if (!session->busy)
593 session_destroy(SESSION(session));
594 else
595 session->do_destroy = TRUE;
596 }
597
598 static gboolean is_fatal(int libetpan_errcode)
599 {
600 switch(libetpan_errcode) {
601 case MAILIMAP_ERROR_STREAM:
602 case MAILIMAP_ERROR_PROTOCOL:
603 case MAILIMAP_ERROR_PARSE:
604 case MAILIMAP_ERROR_BAD_STATE:
605 return TRUE;
606 default:
607 return FALSE;
608 }
609 }
610
611 #define MY_LOG_WARNING(concat_cmd, ...) \
612 msg = concat_cmd; \
613 log_warning(LOG_PROTOCOL, msg, __VA_ARGS__); \
614 g_free(msg);
615
616 static void imap_handle_error(Session *session, const gchar *server, int libetpan_errcode)
617 {
618 const gchar *session_server = (session ? session->server : NULL);
619 gchar *msg;
620
621 if (session_server == NULL)
622 session_server = server;
623 if (session_server == NULL)
624 session_server = "(null)";
625
626 switch(libetpan_errcode) {
627 case MAILIMAP_NO_ERROR:
628 return;
629 case MAILIMAP_NO_ERROR_AUTHENTICATED:
630 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("authenticated"), "\n", NULL), session_server)
631 break;
632 case MAILIMAP_NO_ERROR_NON_AUTHENTICATED:
633 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("not authenticated"), "\n", NULL), session_server)
634 break;
635 case MAILIMAP_ERROR_BAD_STATE:
636 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("bad state"), "\n", NULL), session_server)
637 break;
638 case MAILIMAP_ERROR_STREAM:
639 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("stream error"), "\n", NULL), session_server)
640 break;
641 case MAILIMAP_ERROR_PARSE:
642 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("parse error "
643 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server)
644 break;
645 case MAILIMAP_ERROR_CONNECTION_REFUSED:
646 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("connection refused"), "\n", NULL), session_server)
647 break;
648 case MAILIMAP_ERROR_MEMORY:
649 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("memory error"), "\n", NULL), session_server)
650 break;
651 case MAILIMAP_ERROR_FATAL:
652 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("fatal error"), "\n", NULL), session_server)
653 break;
654 case MAILIMAP_ERROR_PROTOCOL:
655 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("protocol error "
656 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server)
657 break;
658 case MAILIMAP_ERROR_DONT_ACCEPT_CONNECTION:
659 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("connection not accepted"), "\n", NULL), session_server)
660 break;
661 case MAILIMAP_ERROR_APPEND:
662 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("APPEND error"), "\n", NULL), session_server)
663 break;
664 case MAILIMAP_ERROR_NOOP:
665 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("NOOP error"), "\n", NULL), session_server)
666 break;
667 case MAILIMAP_ERROR_LOGOUT:
668 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LOGOUT error"), "\n", NULL), session_server)
669 break;
670 case MAILIMAP_ERROR_CAPABILITY:
671 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CAPABILITY error"), "\n", NULL), session_server)
672 break;
673 case MAILIMAP_ERROR_CHECK:
674 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CHECK error"), "\n", NULL), session_server)
675 break;
676 case MAILIMAP_ERROR_CLOSE:
677 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CLOSE error"), "\n", NULL), session_server)
678 break;
679 case MAILIMAP_ERROR_EXPUNGE:
680 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXPUNGE error"), "\n", NULL), session_server)
681 break;
682 case MAILIMAP_ERROR_COPY:
683 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("COPY error"), "\n", NULL), session_server)
684 break;
685 case MAILIMAP_ERROR_UID_COPY:
686 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID COPY error"), "\n", NULL), session_server)
687 break;
688 case MAILIMAP_ERROR_CREATE:
689 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CREATE error"), "\n", NULL), session_server)
690 break;
691 case MAILIMAP_ERROR_DELETE:
692 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("DELETE error"), "\n", NULL), session_server)
693 break;
694 case MAILIMAP_ERROR_EXAMINE:
695 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXAMINE error"), "\n", NULL), session_server)
696 break;
697 case MAILIMAP_ERROR_FETCH:
698 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("FETCH error"), "\n", NULL), session_server)
699 break;
700 case MAILIMAP_ERROR_UID_FETCH:
701 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID FETCH error"), "\n", NULL), session_server)
702 break;
703 case MAILIMAP_ERROR_LIST:
704 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LIST error"), "\n", NULL), session_server)
705 break;
706 case MAILIMAP_ERROR_LOGIN:
707 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LOGIN error"), "\n", NULL), session_server)
708 break;
709 case MAILIMAP_ERROR_LSUB:
710 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LSUB error"), "\n", NULL), session_server)
711 break;
712 case MAILIMAP_ERROR_RENAME:
713 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("RENAME error"), "\n", NULL), session_server)
714 break;
715 case MAILIMAP_ERROR_SEARCH:
716 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SEARCH error"), "\n", NULL), session_server)
717 break;
718 case MAILIMAP_ERROR_UID_SEARCH:
719 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID SEARCH error"), "\n", NULL), session_server)
720 break;
721 case MAILIMAP_ERROR_SELECT:
722 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SELECT error"), "\n", NULL), session_server)
723 break;
724 case MAILIMAP_ERROR_STATUS:
725 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STATUS error"), "\n", NULL), session_server)
726 break;
727 case MAILIMAP_ERROR_STORE:
728 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STORE error"), "\n", NULL), session_server)
729 break;
730 case MAILIMAP_ERROR_UID_STORE:
731 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID STORE error"), "\n", NULL), session_server)
732 break;
733 case MAILIMAP_ERROR_SUBSCRIBE:
734 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SUBSCRIBE error"), "\n", NULL), session_server)
735 break;
736 case MAILIMAP_ERROR_UNSUBSCRIBE:
737 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UNSUBSCRIBE error"), "\n", NULL), session_server)
738 break;
739 case MAILIMAP_ERROR_STARTTLS:
740 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STARTTLS error"), "\n", NULL), session_server)
741 break;
742 case MAILIMAP_ERROR_INVAL:
743 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("INVAL error"), "\n", NULL), session_server)
744 break;
745 case MAILIMAP_ERROR_EXTENSION:
746 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXTENSION error"), "\n", NULL), session_server)
747 break;
748 case MAILIMAP_ERROR_SASL:
749 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SASL error"), "\n", NULL), session_server)
750 break;
751 #ifdef USE_GNUTLS
752 case MAILIMAP_ERROR_SSL:
753 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("TLS error"), "\n", NULL), session_server)
754 break;
755 #endif
756 default:
757 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("Unknown error [%d]"), "\n", NULL),
758 session_server, libetpan_errcode)
759 break;
760 }
761
762 if (session && is_fatal(libetpan_errcode)) {
763 imap_disc_session_destroy(IMAP_SESSION(session));
764 } else if (session && !is_fatal(libetpan_errcode)) {
765 if (IMAP_SESSION(session)->busy)
766 unlock_session(IMAP_SESSION(session));
767 }
768 }
769
770 #undef MY_LOG_WARNING
771
772 static Folder *imap_folder_new(const gchar *name, const gchar *path)
773 {
774 Folder *folder;
775
776 folder = (Folder *)g_new0(IMAPFolder, 1);
777 folder->klass = &imap_class;
778 imap_folder_init(folder, name, path);
779
780 return folder;
781 }
782
783 static void imap_folder_destroy(Folder *folder)
784 {
785 while (imap_folder_get_refcnt(folder) > 0)
786 gtk_main_iteration();
787
788 g_free(IMAP_FOLDER(folder)->search_charset);
789
790 folder_remote_folder_destroy(REMOTE_FOLDER(folder));
791 imap_done(folder);
792 }
793
794 static void imap_folder_init(Folder *folder, const gchar *name,
795 const gchar *path)
796 {
797 folder_remote_folder_init((Folder *)folder, name, path);
798 IMAP_FOLDER(folder)->search_charset_supported = TRUE;
799 IMAP_FOLDER(folder)->search_charset = g_strdup(conv_get_locale_charset_str_no_utf8());
800 }
801
802 static FolderItem *imap_folder_item_new(Folder *folder)
803 {
804 IMAPFolderItem *item;
805
806 item = g_new0(IMAPFolderItem, 1);
807 item->lastuid = 0;
808 item->uid_next = 0;
809 item->uid_list = NULL;
810
811 return (FolderItem *)item;
812 }
813
814 static void imap_folder_item_destroy(Folder *folder, FolderItem *_item)
815 {
816 IMAPFolderItem *item = (IMAPFolderItem *)_item;
817
818 g_return_if_fail(item != NULL);
819 g_slist_free(item->uid_list);
820
821 g_free(_item);
822 }
823
824 static gboolean imap_reset_uid_lists_func(GNode *node, gpointer data)
825 {
826 IMAPFolderItem *item = (IMAPFolderItem *)node->data;
827
828 item->lastuid = 0;
829 g_slist_free(item->uid_list);
830 item->uid_list = NULL;
831
832 return FALSE;
833 }
834
835 static void imap_reset_uid_lists(Folder *folder)
836 {
837 if(folder->node == NULL)
838 return;
839
840 /* Destroy all uid lists and rest last uid */
841 g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, imap_reset_uid_lists_func, NULL);
842 }
843
844 static int imap_get_capabilities(IMAPSession *session)
845 {
846 struct mailimap_capability_data *capabilities = NULL;
847 clistiter *cur;
848 int result;
849
850 if (session->capability != NULL)
851 return MAILIMAP_NO_ERROR;
852
853 result = imap_threaded_capability(session->folder, &capabilities);
854
855 if (result != MAILIMAP_NO_ERROR) {
856 return result;
857 }
858
859 if (capabilities == NULL || capabilities->cap_list == NULL) {
860 return MAILIMAP_NO_ERROR;
861 }
862
863 for(cur = clist_begin(capabilities->cap_list) ; cur != NULL ;
864 cur = clist_next(cur)) {
865 struct mailimap_capability * cap =
866 clist_content(cur);
867 if (!cap || cap->cap_data.cap_name == NULL)
868 continue;
869 session->capability = g_slist_append
870 (session->capability,
871 g_strdup(cap->cap_data.cap_name));
872 debug_print("got capa %s\n", cap->cap_data.cap_name);
873 }
874 mailimap_capability_data_free(capabilities);
875 return MAILIMAP_NO_ERROR;
876 }
877
878 static gboolean imap_has_capability(IMAPSession *session, const gchar *cap)
879 {
880 GSList *cur;
881 for (cur = session->capability; cur; cur = cur->next) {
882 if (!g_ascii_strcasecmp(cur->data, cap))
883 return TRUE;
884 }
885 return FALSE;
886 }
887
888 static gint imap_auth(IMAPSession *session, const gchar *user, const gchar *pass,
889 IMAPAuthType type)
890 {
891 gint ok = MAILIMAP_ERROR_LOGIN;
892 static time_t last_login_err = 0;
893 gchar *ext_info = "";
894 int r;
895 gchar *server = NULL;
896 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
897 imap_handle_error(SESSION(session), NULL, r);
898 return r;
899 }
900 server = g_strdup(SESSION(session)->server);
901 switch(type) {
902 case IMAP_AUTH_ANON:
903 ok = imap_cmd_login(session, user, pass, "ANONYMOUS");
904 break;
905 case IMAP_AUTH_CRAM_MD5:
906 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
907 break;
908 case IMAP_AUTH_DIGEST_MD5:
909 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
910 break;
911 case IMAP_AUTH_SCRAM_SHA1:
912 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
913 break;
914 case IMAP_AUTH_SCRAM_SHA224:
915 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-224");
916 break;
917 case IMAP_AUTH_SCRAM_SHA256:
918 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-256");
919 break;
920 case IMAP_AUTH_SCRAM_SHA384:
921 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-384");
922 break;
923 case IMAP_AUTH_SCRAM_SHA512:
924 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-512");
925 break;
926 case IMAP_AUTH_PLAIN:
927 ok = imap_cmd_login(session, user, pass, "PLAIN");
928 break;
929 #ifdef USE_GNUTLS
930 case IMAP_AUTH_OAUTH2:
931 ok = imap_cmd_login(session, user, pass, "XOAUTH2");
932 break;
933 #endif
934 case IMAP_AUTH_LOGIN:
935 ok = imap_cmd_login(session, user, pass, "LOGIN");
936 break;
937 case IMAP_AUTH_PLAINTEXT:
938 ok = imap_cmd_login(session, user, pass, "plaintext");
939 break;
940 case IMAP_AUTH_GSSAPI:
941 ok = imap_cmd_login(session, user, pass, "GSSAPI");
942 break;
943 default:
944 debug_print("capabilities:\n"
945 "\t ANONYMOUS %d\n"
946 "\t CRAM-MD5 %d\n"
947 "\t DIGEST-MD5 %d\n"
948 "\t SCRAM-SHA-1 %d\n"
949 "\t SCRAM-SHA-224 %d\n"
950 "\t SCRAM-SHA-256 %d\n"
951 "\t SCRAM-SHA-384 %d\n"
952 "\t SCRAM-SHA-512 %d\n"
953 "\t PLAIN %d\n"
954 #ifdef USE_GNUTLS
955 "\t OAUTH2 %d\n"
956 #endif
957 "\t LOGIN %d\n"
958 "\t GSSAPI %d\n",
959 imap_has_capability(session, "ANONYMOUS"),
960 imap_has_capability(session, "CRAM-MD5"),
961 imap_has_capability(session, "DIGEST-MD5"),
962 imap_has_capability(session, "SCRAM-SHA-1"),
963 imap_has_capability(session, "SCRAM-SHA-224"),
964 imap_has_capability(session, "SCRAM-SHA-256"),
965 imap_has_capability(session, "SCRAM-SHA-384"),
966 imap_has_capability(session, "SCRAM-SHA-512"),
967 imap_has_capability(session, "PLAIN"),
968 #ifdef USE_GNUTLS
969 imap_has_capability(session, "XOAUTH2"),
970 #endif
971 imap_has_capability(session, "LOGIN"),
972 imap_has_capability(session, "GSSAPI"));
973 if (imap_has_capability(session, "CRAM-MD5"))
974 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
975 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "DIGEST-MD5"))
976 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
977 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-512"))
978 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-512");
979 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-384"))
980 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-384");
981 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-256"))
982 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-256");
983 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-224"))
984 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-224");
985 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-1"))
986 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
987 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "PLAIN"))
988 ok = imap_cmd_login(session, user, pass, "PLAIN");
989 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "LOGIN"))
990 ok = imap_cmd_login(session, user, pass, "LOGIN");
991 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "GSSAPI"))
992 ok = imap_cmd_login(session, user, pass, "GSSAPI");
993 if (ok == MAILIMAP_ERROR_LOGIN) /* we always try plaintext login before giving up */
994 ok = imap_cmd_login(session, user, pass, "plaintext");
995 #ifdef USE_GNUTLS
996 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "XOAUTH2"))
997 ok = imap_cmd_login(session, user, pass, "XOAUTH2");
998 #endif
999 }
1000
1001 if (ok == MAILIMAP_NO_ERROR)
1002 session->authenticated = TRUE;
1003 else {
1004 if (type == IMAP_AUTH_CRAM_MD5) {
1005 ext_info = _("\n\nCRAM-MD5 logins only work if libetpan has been "
1006 "compiled with SASL support and the "
1007 "CRAM-MD5 SASL plugin is installed.");
1008 }
1009
1010 if (type == IMAP_AUTH_DIGEST_MD5) {
1011 ext_info = _("\n\nDIGEST-MD5 logins only work if libetpan has been "
1012 "compiled with SASL support and the "
1013 "DIGEST-MD5 SASL plugin is installed.");
1014 }
1015
1016 if (type == IMAP_AUTH_SCRAM_SHA1) {
1017 ext_info = _("\n\nSCRAM-SHA-1 logins only work if libetpan has been "
1018 "compiled with SASL support and the "
1019 "SCRAM SASL plugin is installed.");
1020 }
1021
1022 if (type == IMAP_AUTH_SCRAM_SHA224) {
1023 ext_info = _("\n\nSCRAM-SHA-224 logins only work if libetpan has been "
1024 "compiled with SASL support and the "
1025 "SCRAM SASL plugin is installed.");
1026 }
1027
1028 if (type == IMAP_AUTH_SCRAM_SHA256) {
1029 ext_info = _("\n\nSCRAM-SHA-256 logins only work if libetpan has been "
1030 "compiled with SASL support and the "
1031 "SCRAM SASL plugin is installed.");
1032 }
1033
1034 if (type == IMAP_AUTH_SCRAM_SHA384) {
1035 ext_info = _("\n\nSCRAM-SHA-384 logins only work if libetpan has been "
1036 "compiled with SASL support and the "
1037 "SCRAM SASL plugin is installed.");
1038 }
1039
1040 if (type == IMAP_AUTH_SCRAM_SHA512) {
1041 ext_info = _("\n\nSCRAM-SHA-512 logins only work if libetpan has been "
1042 "compiled with SASL support and the "
1043 "SCRAM SASL plugin is installed.");
1044 }
1045
1046 if (type == IMAP_AUTH_PLAIN) {
1047 ext_info = _("\n\nPLAIN logins only work if libetpan has been "
1048 "compiled with SASL support and the "
1049 "PLAIN SASL plugin is installed.");
1050 }
1051
1052 if (type == IMAP_AUTH_LOGIN) {
1053 ext_info = _("\n\nLOGIN logins only work if libetpan has been "
1054 "compiled with SASL support and the "
1055 "LOGIN SASL plugin is installed.");
1056 }
1057 #ifdef USE_GNUTLS
1058 if (type == IMAP_AUTH_OAUTH2) {
1059 ext_info = _("\n\nOAuth2 error. Check and correct your OAuth2 "
1060 "account preferences.");
1061 }
1062 #endif
1063 if (time(NULL) - last_login_err > 10) {
1064 if (!prefs_common.no_recv_err_panel) {
1065 alertpanel_error_log(_("Connection to %s failed: "
1066 "login refused.%s"),
1067 server, ext_info);
1068 } else {
1069 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
1070 "login refused.%s\n"),
1071 server, ext_info);
1072 }
1073 }
1074 last_login_err = time(NULL);
1075 }
1076 g_free(server);
1077 return ok;
1078 }
1079
1080 static IMAPSession *imap_reconnect_if_possible(Folder *folder, IMAPSession *session)
1081 {
1082 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1083 /* Check if this is the first try to establish a
1084 connection, if yes we don't try to reconnect */
1085 debug_print("reconnecting\n");
1086 if (rfolder->session == NULL) {
1087 log_warning(LOG_PROTOCOL, _("Connecting to %s failed"),
1088 folder->account->recv_server);
1089 SESSION(session)->sock = NULL;
1090 imap_safe_destroy(session);
1091 session = NULL;
1092 } else {
1093 rfolder->session = NULL;
1094 log_warning(LOG_PROTOCOL, _("IMAP connection to %s has been"
1095 " disconnected. Reconnecting...\n"),
1096 folder->account->recv_server);
1097 statusbar_print_all(_("IMAP connection to %s has been"
1098 " disconnected. Reconnecting...\n"),
1099 folder->account->recv_server);
1100 SESSION(session)->state = SESSION_DISCONNECTED;
1101 SESSION(session)->sock = NULL;
1102 imap_safe_destroy(session);
1103 /* Clear folders session to make imap_session_get create
1104 a new session, because of rfolder->session == NULL
1105 it will not try to reconnect again and so avoid an
1106 endless loop */
1107 debug_print("getting session...\n");
1108 session = imap_session_get(folder);
1109 rfolder->session = SESSION(session);
1110 statusbar_pop_all();
1111 }
1112 return session;
1113 }
1114
1115 static IMAPSession *imap_session_get(Folder *folder)
1116 {
1117 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1118 IMAPSession *session = NULL;
1119 gint r = MAILIMAP_NO_ERROR;
1120
1121 g_return_val_if_fail(folder != NULL, NULL);
1122 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, NULL);
1123 g_return_val_if_fail(folder->account != NULL, NULL);
1124
1125 if (prefs_common.work_offline &&
1126 !inc_offline_should_override(FALSE,
1127 _("Claws Mail needs network access in order "
1128 "to access the IMAP server."))) {
1129 return NULL;
1130 }
1131
1132 /* check for deferred destroy */
1133 if (rfolder->session != NULL) {
1134 session = IMAP_SESSION(rfolder->session);
1135 if (!session->busy && session->do_destroy) {
1136 rfolder->session = NULL;
1137 imap_safe_destroy(session);
1138 session = NULL;
1139 }
1140 }
1141
1142 /* Make sure we have a session */
1143 if (rfolder->session != NULL && rfolder->session->state != SESSION_DISCONNECTED) {
1144 session = IMAP_SESSION(rfolder->session);
1145 } else if (rfolder->session != NULL && rfolder->session->state == SESSION_DISCONNECTED) {
1146 imap_safe_destroy(IMAP_SESSION(rfolder->session));
1147 rfolder->session = NULL;
1148 goto new_conn;
1149 } else if (rfolder->connecting) {
1150 debug_print("already connecting\n");
1151 return NULL;
1152 } else {
1153 new_conn:
1154 imap_reset_uid_lists(folder);
1155 if (time(NULL) - rfolder->last_failure <= 2)
1156 return NULL;
1157 rfolder->connecting = TRUE;
1158 session = imap_session_new(folder, folder->account);
1159 }
1160 if(session == NULL) {
1161 rfolder->last_failure = time(NULL);
1162 rfolder->connecting = FALSE;
1163 return NULL;
1164 }
1165
1166 /* Make sure session is authenticated */
1167 if (!IMAP_SESSION(session)->authenticated)
1168 r = imap_session_authenticate(IMAP_SESSION(session), folder->account);
1169
1170 if (r != MAILIMAP_NO_ERROR || (!is_fatal(r) && !IMAP_SESSION(session)->authenticated)) {
1171 rfolder->session = NULL;
1172 if (!is_fatal(r)) {
1173 imap_threaded_disconnect(session->folder);
1174 }
1175 SESSION(session)->state = SESSION_DISCONNECTED;
1176 SESSION(session)->sock = NULL;
1177 imap_safe_destroy(session);
1178 rfolder->last_failure = time(NULL);
1179 rfolder->connecting = FALSE;
1180 return NULL;
1181 }
1182
1183 /* I think the point of this code is to avoid sending a
1184 * keepalive if we've used the session recently and therefore
1185 * think it's still alive. Unfortunately, most of the code
1186 * does not yet check for errors on the socket, and so if the
1187 * connection drops we don't notice until the timeout expires.
1188 * A better solution than sending a NOOP every time would be
1189 * for every command to be prepared to retry until it is
1190 * successfully sent. -- mbp */
1191 if ((time(NULL) - SESSION(session)->last_access_time > SESSION_TIMEOUT_INTERVAL) || session->cancelled) {
1192 /* verify that the session is still alive */
1193 r = imap_cmd_noop(session);
1194
1195 if (r != MAILIMAP_NO_ERROR) {
1196 debug_print("disconnected!\n");
1197 if (!is_fatal(r))
1198 session = imap_reconnect_if_possible(folder, session);
1199 else {
1200 rfolder->session = NULL;
1201 rfolder->connecting = FALSE;
1202 SESSION(session)->state = SESSION_DISCONNECTED;
1203 SESSION(session)->sock = NULL;
1204 imap_safe_destroy(session);
1205 session = imap_session_get(folder);
1206 }
1207 }
1208 if (session)
1209 session->cancelled = FALSE;
1210 }
1211
1212 rfolder->session = SESSION(session);
1213 rfolder->connecting = FALSE;
1214
1215 return IMAP_SESSION(session);
1216 }
1217
1218 static IMAPSession *imap_session_new(Folder * folder,
1219 const PrefsAccount *account)
1220 {
1221 IMAPSession *session;
1222 ProxyInfo *proxy_info = NULL;
1223 gushort port;
1224 int r;
1225 int authenticated = FALSE;
1226 gchar *buf;
1227
1228 #ifdef USE_GNUTLS
1229 /* FIXME: IMAP over SSL only... */
1230 SSLType ssl_type;
1231
1232 port = account->set_imapport ? account->imapport
1233 : account->ssl_imap == SSL_TUNNEL ? IMAPS_PORT : IMAP4_PORT;
1234 ssl_type = account->ssl_imap;
1235 #else
1236 if (account->ssl_imap != SSL_NONE) {
1237 if (alertpanel_full(_("Insecure connection"),
1238 _("This connection is configured to be secured "
1239 "using TLS, but TLS is not available "
1240 "in this build of Claws Mail. \n\n"
1241 "Do you want to continue connecting to this "
1242 "server? The communication would not be "
1243 "secure."),
1244 NULL, _("_Cancel"), NULL, _("Con_tinue connecting"), NULL, NULL,
1245 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING) != G_ALERTALTERNATE)
1246 return NULL;
1247 }
1248 port = account->set_imapport ? account->imapport
1249 : IMAP4_PORT;
1250 #endif
1251
1252 imap_init(folder);
1253 IMAP_FOLDER(folder)->max_set_size = account->imap_batch_size;
1254 buf = g_strdup_printf(_("Account '%s': Connecting to IMAP server: %s:%d..."),
1255 folder->account->account_name, folder->account->recv_server,
1256 port);
1257 statusbar_print_all("%s", buf);
1258 log_message(LOG_PROTOCOL, "%s\n", buf);
1259 g_free(buf);
1260
1261 if (account->use_proxy) {
1262 if (account->use_default_proxy) {
1263 proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
1264 if (proxy_info->use_proxy_auth)
1265 proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
1266 PWS_CORE_PROXY_PASS);
1267 } else {
1268 proxy_info = (ProxyInfo *)&(account->proxy_info);
1269 if (proxy_info->use_proxy_auth)
1270 proxy_info->proxy_pass = passwd_store_get_account(account->account_id,
1271 PWS_ACCOUNT_PROXY_PASS);
1272 }
1273 }
1274
1275 #ifndef G_OS_WIN32
1276 if (account->set_tunnelcmd) {
1277 r = imap_threaded_connect_cmd(folder,
1278 account->tunnelcmd,
1279 account->recv_server,
1280 port);
1281 }
1282 else
1283 #endif
1284 {
1285 #ifdef USE_GNUTLS
1286
1287 if (ssl_type == SSL_TUNNEL) {
1288 r = imap_threaded_connect_ssl(folder,
1289 account->recv_server,
1290 port,
1291 proxy_info);
1292 }
1293 else
1294 #endif
1295 {
1296 r = imap_threaded_connect(folder,
1297 account->recv_server,
1298 port,
1299 proxy_info);
1300 }
1301 }
1302
1303 statusbar_pop_all();
1304 if (r == MAILIMAP_NO_ERROR_AUTHENTICATED) {
1305 authenticated = TRUE;
1306 }
1307 else if (r == MAILIMAP_NO_ERROR_NON_AUTHENTICATED) {
1308 authenticated = FALSE;
1309 }
1310 else {
1311 #ifdef USE_GNUTLS
1312 if (r == MAILIMAP_ERROR_SSL)
1313 log_error(LOG_PROTOCOL, _("TLS handshake failed\n"));
1314 else
1315 #endif
1316 imap_handle_error(NULL, account->recv_server, r);
1317
1318 if(!prefs_common.no_recv_err_panel) {
1319 alertpanel_error_log(_("Can't connect to IMAP server: %s:%d"),
1320 account->recv_server, port);
1321 } else {
1322 log_error(LOG_PROTOCOL, _("Can't connect to IMAP server: %s:%d\n"),
1323 account->recv_server, port);
1324 }
1325
1326 return NULL;
1327 }
1328
1329 session = g_new0(IMAPSession, 1);
1330 session_init(SESSION(session), account, FALSE);
1331 SESSION(session)->type = SESSION_IMAP;
1332 SESSION(session)->server = g_strdup(account->recv_server);
1333 SESSION(session)->port = port;
1334 SESSION(session)->sock = NULL;
1335 SESSION(session)->proxy_info = proxy_info;
1336 SESSION(session)->destroy = imap_session_destroy;
1337
1338 session->capability = NULL;
1339 session->authenticated = authenticated;
1340 session->mbox = NULL;
1341 session->exists = 0;
1342 session->recent = 0;
1343 session->expunge = 0;
1344 session->cmd_count = 0;
1345 session->folder = folder;
1346 IMAP_FOLDER(session->folder)->last_seen_separator = 0;
1347
1348 #ifdef USE_GNUTLS
1349 if (account->ssl_imap == SSL_STARTTLS) {
1350 gint ok;
1351
1352 ok = imap_cmd_starttls(session);
1353 if (ok != MAILIMAP_NO_ERROR) {
1354 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
1355 if (!is_fatal(ok)) {
1356 SESSION(session)->sock = NULL;
1357 imap_safe_destroy(session);
1358 }
1359 return NULL;
1360 }
1361
1362 imap_free_capabilities(session);
1363 session->authenticated = FALSE;
1364 session->uidplus = FALSE;
1365 session->cmd_count = 1;
1366 }
1367 SESSION(session)->use_tls_sni = account->use_tls_sni;
1368 #endif
1369
1370 log_message(LOG_PROTOCOL, "IMAP connection is %s-authenticated\n",
1371 (session->authenticated) ? "pre" : "un");
1372
1373 session_register_ping(SESSION(session), imap_ping);
1374
1375 return session;
1376 }
1377
1378 static gint imap_session_authenticate(IMAPSession *session,
1379 PrefsAccount *account)
1380 {
1381 gchar *pass, *acc_pass = NULL;
1382 gboolean failed = FALSE;
1383 gint ok = MAILIMAP_NO_ERROR;
1384 g_return_val_if_fail(account->userid != NULL, MAILIMAP_ERROR_BAD_STATE);
1385 #ifdef USE_OAUTH2
1386 if(account->imap_auth_type == IMAP_AUTH_OAUTH2)
1387 oauth2_check_passwds (account);
1388 #endif
1389 if (!password_get(account->userid, account->recv_server, "imap",
1390 SESSION(session)->port, &acc_pass)) {
1391 acc_pass = passwd_store_get_account(account->account_id,
1392 PWS_ACCOUNT_RECV);
1393 }
1394
1395 try_again:
1396 pass = acc_pass;
1397 if (!pass && account->imap_auth_type != IMAP_AUTH_ANON && account->imap_auth_type != IMAP_AUTH_GSSAPI) {
1398 gchar *tmp_pass;
1399 tmp_pass = input_dialog_query_password_keep(account->recv_server,
1400 account->userid,
1401 &(account->session_passwd));
1402 if (!tmp_pass) {
1403 return MAILIMAP_NO_ERROR;
1404 }
1405 Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return MAILIMAP_NO_ERROR;});
1406 g_free(tmp_pass);
1407 } else if (account->imap_auth_type == IMAP_AUTH_ANON || account->imap_auth_type == IMAP_AUTH_GSSAPI) {
1408 pass = "";
1409 }
1410 if ((ok = imap_auth(session, account->userid, pass, account->imap_auth_type)) != MAILIMAP_NO_ERROR) {
1411
1412 if (!failed && !is_fatal(ok)) {
1413 if (acc_pass != NULL) {
1414 memset(acc_pass, 0, strlen(acc_pass));
1415 g_free(acc_pass);
1416 acc_pass = NULL;
1417 }
1418 failed = TRUE;
1419 if (account->session_passwd != NULL) {
1420 g_free(account->session_passwd);
1421 account->session_passwd = NULL;
1422 }
1423 goto try_again;
1424 } else {
1425 if (prefs_common.no_recv_err_panel) {
1426 log_error(LOG_PROTOCOL, _("Couldn't login to IMAP server %s.\n"), account->recv_server);
1427 mainwindow_show_error();
1428 } else
1429 alertpanel_error_log(_("Couldn't login to IMAP server %s."), account->recv_server);
1430 }
1431
1432 if (acc_pass != NULL) {
1433 memset(acc_pass, 0, strlen(acc_pass));
1434 g_free(acc_pass);
1435 acc_pass = NULL;
1436 }
1437
1438 return ok;
1439 }
1440
1441 if (acc_pass) {
1442 memset(acc_pass, 0, strlen(acc_pass));
1443 g_free(acc_pass);
1444 }
1445 statusbar_pop_all();
1446 session->authenticated = TRUE;
1447 return MAILIMAP_NO_ERROR;
1448 }
1449
1450 static void imap_session_destroy(Session *session)
1451 {
1452 if (session->state != SESSION_DISCONNECTED)
1453 imap_threaded_disconnect(IMAP_SESSION(session)->folder);
1454
1455 imap_free_capabilities(IMAP_SESSION(session));
1456 g_free(IMAP_SESSION(session)->mbox);
1457 }
1458
1459 static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
1460 {
1461 return imap_fetch_msg_full(folder, item, uid, TRUE, TRUE);
1462 }
1463
1464 static guint get_file_size_with_crs(const gchar *filename)
1465 {
1466 FILE *fp = NULL;
1467 guint cnt = 0;
1468 gchar buf[4096];
1469
1470 if (filename == NULL)
1471 return -1;
1472
1473 fp = claws_fopen(filename, "rb");
1474 if (!fp)
1475 return -1;
1476
1477 while (claws_fgets(buf, sizeof (buf), fp) != NULL) {
1478 cnt += strlen(buf);
1479 if (!strstr(buf, "\r\n") && strstr(buf, "\n"))
1480 cnt++;
1481 }
1482
1483 claws_fclose(fp);
1484 return cnt;
1485 }
1486
1487 static gchar *imap_get_cached_filename(FolderItem *item, guint msgnum)
1488 {
1489 gchar *path, *filename;
1490
1491 cm_return_val_if_fail(item != NULL, NULL);
1492
1493 path = folder_item_get_path(item);
1494
1495 if (!is_dir_exist(path)) {
1496 g_free(path);
1497 return NULL;
1498 }
1499
1500 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
1501
1502 if (is_dir_exist(filename)) {
1503 g_free(filename);
1504 filename = g_strconcat(path, G_DIR_SEPARATOR_S, ".", itos(msgnum), NULL);
1505 }
1506 g_free(path);
1507
1508 return filename;
1509 }
1510
1511 static void imap_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
1512 {
1513 gchar *filename;
1514
1515 filename = imap_get_cached_filename(item, msginfo->msgnum);
1516
1517 cm_return_if_fail(filename != NULL);
1518
1519 if (is_file_exist(filename)) {
1520 claws_unlink(filename);
1521 }
1522 g_free(filename);
1523 }
1524
1525 typedef struct _TagsData {
1526 gchar *str;
1527 GSList *msglist;
1528 IMAPFolderItem *item;
1529 } TagsData;
1530
1531 static void imap_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
1532 {
1533 IMAPSession *session;
1534 gint ok, can_create_tags;
1535 Folder *folder = NULL;
1536 TagsData *ht_data = NULL;
1537 GSList *cur;
1538
1539 g_return_if_fail(item != NULL);
1540 g_return_if_fail(msginfo != NULL);
1541
1542 folder = item->folder;
1543 debug_print("getting session...\n");
1544 session = imap_session_get(folder);
1545
1546 if (!session) {
1547 debug_print("can't get session\n");
1548 return;
1549 }
1550
1551 ok = imap_select(session, IMAP_FOLDER(folder), item,
1552 NULL, NULL, NULL, NULL, &can_create_tags, FALSE);
1553
1554 if (ok != MAILIMAP_NO_ERROR) {
1555 return;
1556 }
1557
1558
1559 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS)
1560 return;
1561
1562 if (IMAP_FOLDER_ITEM(item)->batching) {
1563 /* instead of performing an UID STORE command for each message change,
1564 * as a lot of them can change "together", we just fill in hashtables
1565 * and defer the treatment so that we're able to send only one
1566 * command.
1567 */
1568 debug_print("IMAP batch mode on, deferring tags change\n");
1569 for (cur = tags_set; cur; cur = cur->next) {
1570 gint cur_tag = GPOINTER_TO_INT(cur->data);
1571 if (cur_tag) {
1572 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_set_table,
1573 GINT_TO_POINTER(cur_tag));
1574 if (ht_data == NULL) {
1575 ht_data = g_new0(TagsData, 1);
1576 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1577 ht_data->item = IMAP_FOLDER_ITEM(item);
1578 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_set_table,
1579 GINT_TO_POINTER(cur_tag), ht_data);
1580 }
1581 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1582 }
1583 }
1584 for (cur = tags_unset; cur; cur = cur->next) {
1585 gint cur_tag = GPOINTER_TO_INT(cur->data);
1586 if (cur_tag) {
1587 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1588 GINT_TO_POINTER(cur_tag));
1589 if (ht_data == NULL) {
1590 ht_data = g_new0(TagsData, 1);
1591 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1592 ht_data->item = IMAP_FOLDER_ITEM(item);
1593 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1594 GINT_TO_POINTER(cur_tag), ht_data);
1595 }
1596 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1597 }
1598 }
1599 } else {
1600 GSList *list_set = NULL;
1601 GSList *list_unset = NULL;
1602 GSList numlist;
1603
1604 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
1605 numlist.next = NULL;
1606
1607 debug_print("IMAP changing tags NOW\n");
1608 for (cur = tags_set; cur; cur = cur->next) {
1609 gint cur_tag = GPOINTER_TO_INT(cur->data);
1610 const gchar *str = tags_get_tag(cur_tag);
1611 if (IS_NOT_RESERVED_TAG(str))
1612 list_set = g_slist_prepend(list_set, g_strdup(str));
1613 }
1614 if (list_set) {
1615 ok = imap_set_message_flags(session,
1616 IMAP_FOLDER_ITEM(item), &numlist, 0, list_set, TRUE);
1617 slist_free_strings_full(list_set);
1618 if (ok != MAILIMAP_NO_ERROR) {
1619 return;
1620 }
1621 }
1622
1623 for (cur = tags_unset; cur; cur = cur->next) {
1624 gint cur_tag = GPOINTER_TO_INT(cur->data);
1625 const gchar *str = tags_get_tag(cur_tag);
1626 if (IS_NOT_RESERVED_TAG(str))
1627 list_unset = g_slist_prepend(list_unset, g_strdup(str));
1628 }
1629 if (list_unset) {
1630 ok = imap_set_message_flags(session,
1631 IMAP_FOLDER_ITEM(item), &numlist, 0, list_unset, FALSE);
1632 slist_free_strings_full(list_unset);
1633 if (ok != MAILIMAP_NO_ERROR) {
1634 return;
1635 }
1636 }
1637 }
1638 }
1639
1640 static gchar *imap_fetch_msg_full(Folder *folder, FolderItem *item, gint uid,
1641 gboolean headers, gboolean body)
1642 {
1643 gchar *path, *filename;
1644 IMAPSession *session;
1645 gint ok;
1646
1647 g_return_val_if_fail(folder != NULL, NULL);
1648 g_return_val_if_fail(item != NULL, NULL);
1649
1650 if (uid == 0)
1651 return NULL;
1652
1653 path = folder_item_get_path(item);
1654 if (!is_dir_exist(path)) {
1655 if(is_file_exist(path))
1656 claws_unlink(path);
1657 make_dir_hier(path);
1658 }
1659 g_free(path);
1660
1661 filename = imap_get_cached_filename(item, uid);
1662 debug_print("trying to fetch cached %s\n", filename);
1663
1664 if (is_file_exist(filename)) {
1665 /* see whether the local file represents the whole message
1666 * or not. As the IMAP server reports size with \r chars,
1667 * we have to update the local file (UNIX \n only) size */
1668 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1669 guint have_size = -1;
1670
1671 if (cached)
1672 debug_print("message %d has been already %scached.\n", uid,
1673 MSG_IS_FULLY_CACHED(cached->flags) ? "fully ":"");
1674
1675 if (!cached || !MSG_IS_FULLY_CACHED(cached->flags)) {
1676 have_size = get_file_size_with_crs(filename);
1677 if (cached && (cached->size <= have_size || !body)) {
1678 ok = file_strip_crs(filename);
1679 if (ok == 0 && cached && cached->size <= have_size) {
1680 /* we have it all and stripped */
1681 debug_print("...fully cached in fact (%u/%"G_GOFFSET_FORMAT"); setting flag.\n",
1682 have_size, cached->size);
1683 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1684 }
1685 procmsg_msginfo_free(&cached);
1686 return filename;
1687 } else if (!cached && time(NULL) - get_file_mtime(filename) < 60) {
1688 debug_print("message not cached and file recent, considering file complete\n");
1689 ok = file_strip_crs(filename);
1690 if (ok == 0)
1691 return filename;
1692 } else {
1693 procmsg_msginfo_free(&cached);
1694 }
1695 }
1696 if (cached && MSG_IS_FULLY_CACHED(cached->flags)) {
1697 procmsg_msginfo_free(&cached);
1698 return filename;
1699 }
1700 } else {
1701 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1702 if (cached) {
1703 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1704 procmsg_msginfo_free(&cached);
1705 }
1706 }
1707
1708 debug_print("getting session...\n");
1709 session = imap_session_get(folder);
1710
1711 if (!session) {
1712 g_free(filename);
1713 return NULL;
1714 }
1715 session_set_access_time(SESSION(session));
1716 lock_session(session); /* unlocked later in the function */
1717
1718 debug_print("IMAP fetching messages\n");
1719 ok = imap_select(session, IMAP_FOLDER(folder), item,
1720 NULL, NULL, NULL, NULL, NULL, FALSE);
1721 if (ok != MAILIMAP_NO_ERROR) {
1722 g_warning("can't select mailbox %s", item->path);
1723 g_free(filename);
1724 return NULL;
1725 }
1726
1727 session_set_access_time(SESSION(session));
1728
1729 debug_print("getting message %d...\n", uid);
1730 ok = imap_cmd_fetch(session, (guint32)uid, filename, headers, body);
1731
1732 if (ok != MAILIMAP_NO_ERROR) {
1733 g_warning("can't fetch message %d", uid);
1734 g_free(filename);
1735 return NULL;
1736 }
1737
1738 session_set_access_time(SESSION(session));
1739 unlock_session(session);
1740
1741 ok = file_strip_crs(filename);
1742
1743 if (ok == 0 && headers && body) {
1744 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1745 if (cached) {
1746 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1747 procmsg_msginfo_free(&cached);
1748 }
1749 } else if (ok == -1) {
1750 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1751 if (cached) {
1752 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1753 procmsg_msginfo_free(&cached);
1754 }
1755 }
1756 return filename;
1757 }
1758
1759 static gboolean imap_is_msg_fully_cached(Folder *folder, FolderItem *item, gint uid)
1760 {
1761 gchar *filename;
1762 guint size = 0;
1763 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1764
1765 if (!cached)
1766 return FALSE;
1767
1768 if (MSG_IS_FULLY_CACHED(cached->flags)) {
1769 procmsg_msginfo_free(&cached);
1770 return TRUE;
1771 }
1772
1773 filename = imap_get_cached_filename(item, uid);
1774
1775 if (is_file_exist(filename)) {
1776 if (cached && cached->total_size == cached->size) {
1777 /* fast path */
1778 g_free(filename);
1779 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1780 return TRUE;
1781 }
1782 size = get_file_size_with_crs(filename);
1783 }
1784 g_free(filename);
1785 debug_print("msg %d cached, has size %d, full should be %"G_GOFFSET_FORMAT".\n", uid, size, cached->size);
1786 if (cached && size >= cached->size) {
1787 cached->total_size = cached->size;
1788 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1789 procmsg_msginfo_free(&cached);
1790 return TRUE;
1791 }
1792 if (cached)
1793 procmsg_msginfo_free(&cached);
1794 return FALSE;
1795 }
1796
1797 void imap_cache_msg(FolderItem *item, gint msgnum)
1798 {
1799 Folder *folder = NULL;
1800
1801 if (!item)
1802 return;
1803 folder = item->folder;
1804
1805 if (!imap_is_msg_fully_cached(folder, item, msgnum)) {
1806 gchar *tmp = imap_fetch_msg_full(folder, item, msgnum, TRUE, TRUE);
1807 debug_print("fetched %s\n", tmp);
1808 g_free(tmp);
1809 }
1810 }
1811
1812 static gint imap_add_msg(Folder *folder, FolderItem *dest,
1813 const gchar *file, MsgFlags *flags)
1814 {
1815 gint ret;
1816 GSList file_list;
1817 MsgFileInfo fileinfo;
1818
1819 g_return_val_if_fail(file != NULL, -1);
1820
1821 fileinfo.msginfo = NULL;
1822 fileinfo.file = (gchar *)file;
1823 fileinfo.flags = flags;
1824 file_list.data = &fileinfo;
1825 file_list.next = NULL;
1826
1827 ret = imap_add_msgs(folder, dest, &file_list, NULL);
1828 return ret;
1829 }
1830
1831 static gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
1832 GHashTable *relation)
1833 {
1834 gchar *destdir;
1835 IMAPSession *session;
1836 guint32 last_uid = 0;
1837 GSList *cur;
1838 MsgFileInfo *fileinfo;
1839 gint ok = MAILIMAP_NO_ERROR;
1840 gint curnum = 0, total = 0;
1841 gboolean missing_uids = FALSE;
1842
1843 g_return_val_if_fail(folder != NULL, -1);
1844 g_return_val_if_fail(dest != NULL, -1);
1845 g_return_val_if_fail(file_list != NULL, -1);
1846
1847 debug_print("getting session...\n");
1848 session = imap_session_get(folder);
1849 if (!session) {
1850 return -1;
1851 }
1852 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
1853 if (is_fatal(ok)) {
1854 g_free(destdir);
1855 return -1;
1856 }
1857 statusbar_print_all(_("Adding messages..."));
1858 total = g_slist_length(file_list);
1859 for (cur = file_list; cur != NULL; cur = cur->next) {
1860 IMAPFlags iflags = 0;
1861 guint32 new_uid = 0;
1862 gchar *real_file = NULL;
1863 fileinfo = (MsgFileInfo *)cur->data;
1864
1865 statusbar_progress_all(curnum, total, total < 10 ? 1:10);
1866 curnum++;
1867
1868 if (fileinfo->flags) {
1869 if (MSG_IS_MARKED(*fileinfo->flags))
1870 iflags |= IMAP_FLAG_FLAGGED;
1871 if (MSG_IS_REPLIED(*fileinfo->flags))
1872 iflags |= IMAP_FLAG_ANSWERED;
1873 if (MSG_IS_FORWARDED(*fileinfo->flags))
1874 iflags |= IMAP_FLAG_FORWARDED;
1875 if (MSG_IS_SPAM(*fileinfo->flags))
1876 iflags |= IMAP_FLAG_SPAM;
1877 else
1878 iflags |= IMAP_FLAG_HAM;
1879 if (!MSG_IS_UNREAD(*fileinfo->flags))
1880 iflags |= IMAP_FLAG_SEEN;
1881
1882 }
1883
1884 if (real_file == NULL)
1885 real_file = g_strdup(fileinfo->file);
1886
1887 if (folder_has_parent_of_type(dest, F_QUEUE) ||
1888 folder_has_parent_of_type(dest, F_OUTBOX) ||
1889 folder_has_parent_of_type(dest, F_DRAFT) ||
1890 folder_has_parent_of_type(dest, F_TRASH))
1891 iflags |= IMAP_FLAG_SEEN;
1892
1893 ok = imap_cmd_append(session, IMAP_FOLDER_ITEM(dest), destdir, real_file, iflags,
1894 &new_uid);
1895
1896 if (ok != MAILIMAP_NO_ERROR) {
1897 g_warning("can't append message %s", real_file);
1898 g_free(real_file);
1899 g_free(destdir);
1900 statusbar_progress_all(0,0,0);
1901 statusbar_pop_all();
1902 return -1;
1903 } else {
1904 debug_print("appended new message as %d\n", new_uid);
1905 /* put the local file in the imapcache, so that we don't
1906 * have to fetch it back later. */
1907
1908 if (new_uid == 0) {
1909 missing_uids = TRUE;
1910 debug_print("Missing UID (0)\n");
1911 }
1912 if (new_uid > 0) {
1913 gchar *cache_path = folder_item_get_path(dest);
1914 if (!is_dir_exist(cache_path))
1915 make_dir_hier(cache_path);
1916 if (is_dir_exist(cache_path)) {
1917 gchar *cache_file = g_strconcat(
1918 cache_path, G_DIR_SEPARATOR_S,
1919 itos(new_uid), NULL);
1920 copy_file(real_file, cache_file, TRUE);
1921 debug_print("got UID %d, copied to cache: %s\n", new_uid, cache_file);
1922 g_free(cache_file);
1923 }
1924 g_free(cache_path);
1925 }
1926 }
1927
1928 if (relation != NULL)
1929 g_hash_table_insert(relation, fileinfo->msginfo != NULL ?
1930 (gpointer) fileinfo->msginfo : (gpointer) fileinfo,
1931 GINT_TO_POINTER(new_uid));
1932 if (last_uid < new_uid) {
1933 last_uid = new_uid;
1934 }
1935
1936 g_free(real_file);
1937 }
1938
1939 statusbar_progress_all(0,0,0);
1940 statusbar_pop_all();
1941
1942
1943 g_free(destdir);
1944
1945 imap_scan_required(folder, dest);
1946
1947 session = imap_session_get(folder);
1948 if (!session) {
1949 return -1;
1950 }
1951 if (missing_uids) {
1952 gint a;
1953 ok = imap_select(session, IMAP_FOLDER(folder), dest,
1954 &a, NULL, NULL, NULL, NULL, FALSE);
1955 }
1956 return last_uid;
1957 }
1958
1959 static GSList *flatten_mailimap_set(struct mailimap_set * set)
1960 {
1961 GSList *result = NULL;
1962 clistiter *list;
1963 guint32 start, end, t;
1964 GSList *cur;
1965
1966 if (!set || !set->set_list)
1967 return NULL;
1968
1969 for (list = clist_begin(set->set_list); list; list = clist_next(list)) {
1970 struct mailimap_set_item *item = (struct mailimap_set_item *)clist_content(list);
1971 start = item->set_first;
1972 end = item->set_last;
1973 if (start <= end) {
1974 for (t = start; t <= end; t++) {
1975 result = g_slist_prepend(result, GINT_TO_POINTER(t));
1976 }
1977 }
1978 }
1979 result = g_slist_reverse(result);
1980 if (debug_get_mode()) {
1981 debug_print("flat imap set: ");
1982 for (cur = result; cur; cur = cur->next) {
1983 debug_print("%d ", GPOINTER_TO_INT(cur->data));
1984 }
1985 debug_print("\n");
1986 }
1987
1988 return result;
1989 }
1990 static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
1991 MsgInfoList *msglist, GHashTable *relation,
1992 gboolean same_dest_ok)
1993 {
1994 FolderItem *src;
1995 gchar *destdir;
1996 GSList *seq_list, *cur;
1997 MsgInfo *msginfo;
1998 IMAPSession *session;
1999 gint ok = MAILIMAP_NO_ERROR;
2000 GHashTable *uid_hash;
2001 gint last_num = 0;
2002
2003 g_return_val_if_fail(folder != NULL, -1);
2004 g_return_val_if_fail(dest != NULL, -1);
2005 g_return_val_if_fail(msglist != NULL, -1);
2006
2007 debug_print("getting session...\n");
2008 session = imap_session_get(folder);
2009
2010 if (!session) {
2011 return -1;
2012 }
2013
2014 msginfo = (MsgInfo *)msglist->data;
2015 src = msginfo->folder;
2016 if (!same_dest_ok && src == dest) {
2017 g_warning("the src folder is identical to the dest");
2018 return -1;
2019 }
2020
2021 if (src->folder != dest->folder) {
2022 GSList *infolist = NULL, *cur;
2023 int res = -1;
2024 for (cur = msglist; cur; cur = cur->next) {
2025 msginfo = (MsgInfo *)cur->data;
2026 MsgFileInfo *fileinfo = g_new0(MsgFileInfo, 1);
2027 fileinfo->file = procmsg_get_message_file(msginfo);
2028 fileinfo->flags = &(msginfo->flags);
2029 infolist = g_slist_prepend(infolist, fileinfo);
2030 }
2031 infolist = g_slist_reverse(infolist);
2032 res = folder_item_add_msgs(dest, infolist, FALSE);
2033 for (cur = infolist; cur; cur = cur->next) {
2034 MsgFileInfo *info = (MsgFileInfo *)cur->data;
2035 g_free(info->file);
2036 g_free(info);
2037 }
2038 g_slist_free(infolist);
2039 return res;
2040 }
2041
2042 lock_session(session); /* unlocked later in the function */
2043
2044 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
2045 NULL, NULL, NULL, NULL, NULL, FALSE);
2046 if (ok != MAILIMAP_NO_ERROR) {
2047 return ok;
2048 }
2049
2050 unlock_session(session);
2051
2052 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
2053
2054 if (is_fatal(ok)) {
2055 g_free(destdir);
2056 return ok;
2057 }
2058
2059 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msglist);
2060 uid_hash = g_hash_table_new(g_direct_hash, g_direct_equal);
2061
2062 statusbar_print_all(_("Copying messages..."));
2063 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
2064 struct mailimap_set * seq_set;
2065 struct mailimap_set * source = NULL;
2066 struct mailimap_set * dest = NULL;
2067 seq_set = cur->data;
2068
2069 debug_print("Copying messages from %s to %s ...\n",
2070 src->path, destdir);
2071
2072 lock_session(session); /* unlocked later in the function */
2073 ok = imap_cmd_copy(session, seq_set, destdir,
2074 &source, &dest);
2075
2076 if (is_fatal(ok)) {
2077 session = NULL;
2078 }
2079
2080 if (ok == MAILIMAP_NO_ERROR) {
2081 unlock_session(session);
2082 if (relation && source && dest) {
2083 GSList *s_list = flatten_mailimap_set(source);
2084 GSList *d_list = flatten_mailimap_set(dest);
2085 GSList *s_cur, *d_cur;
2086 if (g_slist_length(s_list) == g_slist_length(d_list)) {
2087
2088 for (s_cur = s_list, d_cur = d_list;
2089 s_cur && d_cur;
2090 s_cur = s_cur->next, d_cur = d_cur->next) {
2091 g_hash_table_insert(uid_hash, s_cur->data, d_cur->data);
2092 }
2093
2094 } else {
2095 debug_print("hhhmm, source list length != dest list length.\n");
2096 }
2097 g_slist_free(s_list);
2098 g_slist_free(d_list);
2099 }
2100 }
2101
2102
2103 if (source)
2104 mailimap_set_free(source);
2105 if (dest)
2106 mailimap_set_free(dest);
2107
2108 if (ok != MAILIMAP_NO_ERROR) {
2109 g_hash_table_destroy(uid_hash);
2110 imap_lep_set_free(seq_list);
2111 statusbar_pop_all();
2112 return -1;
2113 }
2114 }
2115
2116 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
2117 MsgInfo *msginfo = (MsgInfo *)cur->data;
2118 gpointer hashval;
2119
2120 hashval = g_hash_table_lookup(uid_hash, GINT_TO_POINTER(msginfo->msgnum));
2121
2122 if (hashval != NULL) {
2123 gint num = GPOINTER_TO_INT(hashval);
2124 g_hash_table_insert(relation, msginfo,
2125 GINT_TO_POINTER(num));
2126 if (num > last_num)
2127 last_num = num;
2128 debug_print("copied message %d as %d\n", msginfo->msgnum, num);
2129 /* put the local file in the imapcache, so that we don't
2130 * have to fetch it back later. */
2131 if (num > 0) {
2132 gchar *cache_path = folder_item_get_path(msginfo->folder);
2133 gchar *real_file = g_strconcat(
2134 cache_path, G_DIR_SEPARATOR_S,
2135 itos(msginfo->msgnum), NULL);
2136 gchar *cache_file = NULL;
2137 g_free(cache_path);
2138 cache_path = folder_item_get_path(dest);
2139 cache_file = g_strconcat(
2140 cache_path, G_DIR_SEPARATOR_S,
2141 itos(num), NULL);
2142 if (!is_dir_exist(cache_path))
2143 make_dir_hier(cache_path);
2144 if (is_file_exist(real_file) && is_dir_exist(cache_path)) {
2145 if (copy_file(real_file, cache_file, TRUE) < 0)
2146 debug_print("couldn't cache to %s: %s\n", cache_file,
2147 strerror(errno));
2148 else
2149 debug_print("copied to cache: %s\n", cache_file);
2150 }
2151 g_free(real_file);
2152 g_free(cache_file);
2153 g_free(cache_path);
2154 }
2155 } else
2156 g_hash_table_insert(relation, msginfo,
2157 GINT_TO_POINTER(0));
2158 }
2159 statusbar_pop_all();
2160
2161 g_hash_table_destroy(uid_hash);
2162 imap_lep_set_free(seq_list);
2163
2164 g_free(destdir);
2165
2166 IMAP_FOLDER_ITEM(dest)->lastuid = 0;
2167 IMAP_FOLDER_ITEM(dest)->uid_next = 0;
2168 g_slist_free(IMAP_FOLDER_ITEM(dest)->uid_list);
2169 IMAP_FOLDER_ITEM(dest)->uid_list = NULL;
2170
2171 imap_scan_required(folder, dest);
2172 if (ok == MAILIMAP_NO_ERROR)
2173 return last_num;
2174 else
2175 return -1;
2176 }
2177
2178 static gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
2179 {
2180 GSList msglist;
2181
2182 g_return_val_if_fail(msginfo != NULL, -1);
2183
2184 msglist.data = msginfo;
2185 msglist.next = NULL;
2186
2187 return imap_copy_msgs(folder, dest, &msglist, NULL);
2188 }
2189
2190 static gint imap_copy_msgs(Folder *folder, FolderItem *dest,
2191 MsgInfoList *msglist, GHashTable *relation)
2192 {
2193 MsgInfo *msginfo;
2194 gint ret;
2195
2196 g_return_val_if_fail(folder != NULL, -1);
2197 g_return_val_if_fail(dest != NULL, -1);
2198 g_return_val_if_fail(msglist != NULL, -1);
2199
2200 msginfo = (MsgInfo *)msglist->data;
2201 g_return_val_if_fail(msginfo->folder != NULL, -1);
2202
2203 ret = imap_do_copy_msgs(folder, dest, msglist, relation, FALSE);
2204 return ret;
2205 }
2206
2207 static gboolean imap_matcher_type_is_local(gint matchertype)
2208 {
2209 switch (matchertype) {
2210 case MATCHCRITERIA_FROM:
2211 case MATCHCRITERIA_TO:
2212 case MATCHCRITERIA_CC:
2213 case MATCHCRITERIA_TO_OR_CC:
2214 case MATCHCRITERIA_SUBJECT:
2215 case MATCHCRITERIA_REFERENCES:
2216 case MATCHCRITERIA_MESSAGEID:
2217 case MATCHCRITERIA_INREPLYTO:
2218 case MATCHCRITERIA_AGE_GREATER:
2219 case MATCHCRITERIA_AGE_LOWER:
2220 case MATCHCRITERIA_FORWARDED:
2221 case MATCHCRITERIA_SPAM:
2222 case MATCHCRITERIA_UNREAD:
2223 case MATCHCRITERIA_NEW:
2224 case MATCHCRITERIA_MARKED:
2225 case MATCHCRITERIA_REPLIED:
2226 case MATCHCRITERIA_DELETED:
2227 case MATCHCRITERIA_SIZE_GREATER:
2228 case MATCHCRITERIA_SIZE_SMALLER:
2229 case MATCHCRITERIA_SIZE_EQUAL:
2230 return TRUE;
2231 }
2232 return FALSE;
2233 }
2234
2235 static IMAPSearchKey* search_make_key(MatcherProp* match, gboolean* is_all)
2236 {
2237 if (match->matchtype == MATCHTYPE_MATCHCASE || match->matchtype == MATCHTYPE_MATCH) {
2238 IMAPSearchKey* result = NULL;
2239 gboolean invert = FALSE;
2240 gint matchertype = match->criteria;
2241
2242 if (is_all) {
2243 *is_all = FALSE;
2244 }
2245
2246 switch (matchertype) {
2247 case MATCHCRITERIA_NOT_NEW: invert = TRUE; matchertype = MATCHCRITERIA_NEW; break;
2248 case MATCHCRITERIA_NOT_MARKED: invert = TRUE; matchertype = MATCHCRITERIA_MARKED; break;
2249 case MATCHCRITERIA_NOT_FORWARDED: invert = TRUE; matchertype = MATCHCRITERIA_FORWARDED; break;
2250 case MATCHCRITERIA_NOT_SPAM: invert = TRUE; matchertype = MATCHCRITERIA_SPAM; break;
2251 case MATCHCRITERIA_NOT_SUBJECT: invert = TRUE; matchertype = MATCHCRITERIA_SUBJECT; break;
2252 case MATCHCRITERIA_NOT_FROM: invert = TRUE; matchertype = MATCHCRITERIA_FROM; break;
2253 case MATCHCRITERIA_NOT_TO: invert = TRUE; matchertype = MATCHCRITERIA_TO; break;
2254 case MATCHCRITERIA_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_CC; break;
2255 case MATCHCRITERIA_NOT_REFERENCES: invert = TRUE; matchertype = MATCHCRITERIA_REFERENCES; break;
2256 case MATCHCRITERIA_NOT_HEADER: invert = TRUE; matchertype = MATCHCRITERIA_HEADER; break;
2257 case MATCHCRITERIA_NOT_TAG: invert = TRUE; matchertype = MATCHCRITERIA_TAG; break;
2258 case MATCHCRITERIA_NOT_HEADERS_PART: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_PART; break;
2259 case MATCHCRITERIA_NOT_HEADERS_CONT: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_CONT; break;
2260 case MATCHCRITERIA_NOT_MESSAGE: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGE; break;
2261 case MATCHCRITERIA_NOT_BODY_PART: invert = TRUE; matchertype = MATCHCRITERIA_BODY_PART; break;
2262 case MATCHCRITERIA_NOT_TO_AND_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_TO_OR_CC; break;
2263 case MATCHCRITERIA_NOT_MESSAGEID: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGEID; break;
2264 case MATCHCRITERIA_NOT_INREPLYTO: invert = TRUE; matchertype = MATCHCRITERIA_INREPLYTO; break;
2265 }
2266
2267 /*
2268 * this aborts conversion even for predicates understood by the following code.
2269 * while that might seem wasteful, claws local search for information listed below
2270 * has proven faster than IMAP search plus network roundtrips. once this changes,
2271 * consider removing these exceptions.
2272 */
2273 if (imap_matcher_type_is_local(matchertype))
2274 return NULL;
2275
2276 /* the Message-ID header is also cached */
2277 if (matchertype == MATCHCRITERIA_HEADER && g_strcmp0("Message-ID", match->header) == 0) {
2278 return NULL;
2279 }
2280
2281 switch (matchertype) {
2282 case MATCHCRITERIA_FORWARDED:
2283 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_FORWARDED, 0);
2284 break;
2285
2286 case MATCHCRITERIA_SPAM:
2287 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_JUNK, 0);
2288 break;
2289
2290 case MATCHCRITERIA_MESSAGEID:
2291 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "Message-ID", match->expr, 0);
2292 break;
2293
2294 case MATCHCRITERIA_INREPLYTO:
2295 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "In-Reply-To", match->expr, 0);
2296 break;
2297
2298 case MATCHCRITERIA_REFERENCES:
2299 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "References", match->expr, 0);
2300 break;
2301
2302 case MATCHCRITERIA_TO_OR_CC:
2303 result = imap_search_or(
2304 imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0),
2305 imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0)
2306 );
2307 break;
2308
2309 case MATCHCRITERIA_HEADERS_PART:
2310 case MATCHCRITERIA_HEADERS_CONT:
2311 result = imap_search_and(
2312 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0)),
2313 imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0)
2314 );
2315 break;
2316
2317 case MATCHCRITERIA_SIZE_EQUAL:
2318 result = imap_search_and(
2319 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value)),
2320 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value))
2321 );
2322 break;
2323
2324 case MATCHCRITERIA_NOT_UNREAD:
2325 result = imap_search_new(IMAP_SEARCH_CRITERIA_READ, NULL, NULL, 0);
2326 break;
2327
2328 case MATCHCRITERIA_UNREAD:
2329 result = imap_search_new(IMAP_SEARCH_CRITERIA_UNREAD, NULL, NULL, 0);
2330 break;
2331
2332 case MATCHCRITERIA_NEW:
2333 result = imap_search_new(IMAP_SEARCH_CRITERIA_NEW, NULL, NULL, 0);
2334 break;
2335
2336 case MATCHCRITERIA_MARKED:
2337 result = imap_search_new(IMAP_SEARCH_CRITERIA_MARKED, NULL, NULL, 0);
2338 break;
2339
2340 case MATCHCRITERIA_DELETED:
2341 result = imap_search_new(IMAP_SEARCH_CRITERIA_DELETED, NULL, NULL, 0);
2342 break;
2343
2344 case MATCHCRITERIA_REPLIED:
2345 result = imap_search_new(IMAP_SEARCH_CRITERIA_REPLIED, NULL, NULL, 0);
2346 break;
2347
2348 case MATCHCRITERIA_TAG:
2349 {
2350 gchar *tmp = imap_utf8_to_modified_utf7(match->expr, TRUE);
2351 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, tmp, 0);
2352 g_free(tmp);
2353 }
2354 break;
2355
2356 case MATCHCRITERIA_SUBJECT:
2357 result = imap_search_new(IMAP_SEARCH_CRITERIA_SUBJECT, NULL, match->expr, 0);
2358 break;
2359
2360 case MATCHCRITERIA_FROM:
2361 result = imap_search_new(IMAP_SEARCH_CRITERIA_FROM, NULL, match->expr, 0);
2362 break;
2363
2364 case MATCHCRITERIA_TO:
2365 result = imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0);
2366 break;
2367
2368 case MATCHCRITERIA_CC:
2369 result = imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0);
2370 break;
2371
2372 case MATCHCRITERIA_AGE_GREATER:
2373 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_GREATER, NULL, NULL, match->value);
2374 break;
2375
2376 case MATCHCRITERIA_AGE_LOWER:
2377 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_LOWER, NULL, NULL, match->value);
2378 break;
2379
2380 case MATCHCRITERIA_BODY_PART:
2381 result = imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0);
2382 break;
2383
2384 case MATCHCRITERIA_MESSAGE:
2385 result = imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0);
2386 break;
2387
2388 case MATCHCRITERIA_HEADER:
2389 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, match->header, match->expr, 0);
2390 break;
2391
2392 case MATCHCRITERIA_SIZE_GREATER:
2393 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value);
2394 break;
2395
2396 case MATCHCRITERIA_SIZE_SMALLER:
2397 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value);
2398 break;
2399
2400 default:
2401 result = imap_search_new(IMAP_SEARCH_CRITERIA_ALL, NULL, NULL, 0);
2402 if (is_all) {
2403 *is_all = TRUE;
2404 }
2405 break;
2406 }
2407
2408 if (invert) {
2409 result = imap_search_not(result);
2410 if (is_all && *is_all) {
2411 *is_all = FALSE;
2412 }
2413 }
2414
2415 return result;
2416 }
2417
2418 return NULL;
2419 }
2420
2421 static void imap_change_search_charset(IMAPFolder *folder)
2422 {
2423 /* If server supports charset in searches, but the last used one failed,
2424 * changed to the next preferred charset. If none are still available,
2425 * disable charset searches.
2426 * Charsets are tried in the following order:
2427 * UTF-8, locale's charset, UTF-7.
2428 */
2429
2430 if (folder->search_charset_supported) {
2431 if (folder->search_charset && !strcmp(folder->search_charset, conv_get_locale_charset_str_no_utf8()))
2432 folder->search_charset = "UTF-8";
2433 else if (folder->search_charset && !strcmp(folder->search_charset, "UTF-8"))
2434 folder->search_charset = "UTF-7";
2435 else {
2436 folder->search_charset = NULL;
2437 folder->search_charset_supported = FALSE;
2438 }
2439 }
2440 }
2441
2442 static MatcherProp *imap_matcher_prop_set_charset(IMAPFolder *folder,
2443 MatcherProp *utf8_prop,
2444 gchar **charset)
2445 {
2446 /* If the match is going to be done locally, or the criteria is on
2447 * tag (special-cased to modified-UTF-7), or the expression searched
2448 * is ASCII, don't bother converting.
2449 */
2450 if (imap_matcher_type_is_local(utf8_prop->criteria)
2451 || utf8_prop->criteria == MATCHCRITERIA_TAG
2452 || utf8_prop->criteria == MATCHCRITERIA_NOT_TAG
2453 || utf8_prop->expr == NULL
2454 || is_ascii_str(utf8_prop->expr))
2455 return matcherprop_new(utf8_prop->criteria,
2456 utf8_prop->header,
2457 utf8_prop->matchtype,
2458 utf8_prop->expr,
2459 utf8_prop->value);
2460 else {
2461 gchar *conv_expr = NULL;
2462
2463 /* If the search is server-side and the server doesn't support
2464 * searching with the charsets we handle, bail out.
2465 */
2466 if (folder->search_charset_supported == FALSE)
2467 return NULL;
2468
2469 /* Else, convert. */
2470 if (*charset == NULL)
2471 *charset = g_strdup(folder->search_charset);
2472
2473 conv_expr = conv_codeset_strdup(utf8_prop->expr, CS_UTF_8, *charset);
2474
2475 if (conv_expr == NULL)
2476 conv_expr = g_strdup(utf8_prop->expr);
2477
2478 return matcherprop_new(utf8_prop->criteria,
2479 utf8_prop->header,
2480 utf8_prop->matchtype,
2481 conv_expr,
2482 utf8_prop->value);
2483 }
2484 }
2485
2486 static gint search_msgs (Folder *folder,
2487 FolderItem *container,
2488 MsgNumberList **msgs,
2489 gboolean *on_server,
2490 MatcherList *predicate,
2491 SearchProgressNotify progress_cb,
2492 gpointer progress_data)
2493 {
2494 IMAPSearchKey* key = NULL;
2495 GSList* cur;
2496 int result = -1;
2497 clist* uidlist = NULL;
2498 gboolean server_filtering_useless = FALSE;
2499 IMAPSession *session;
2500 gchar *charset_to_use = NULL;
2501
2502 if (on_server == NULL || !*on_server) {
2503 return folder_item_search_msgs_local(folder, container, msgs, on_server,
2504 predicate, progress_cb, progress_data);
2505 }
2506
2507 for (cur = predicate->matchers; cur != NULL; cur = cur->next) {
2508 IMAPSearchKey* matcherPart = NULL;
2509 MatcherProp* prop = (MatcherProp*) cur->data;
2510 gboolean is_all;
2511 MatcherProp *imap_prop = imap_matcher_prop_set_charset(IMAP_FOLDER(folder), prop, &charset_to_use);
2512
2513 if (imap_prop == NULL) {
2514 /* Couldn't convert matcherprop to IMAP - probably not ascii
2515 * and server doesn't support the charsets we do. */
2516 return -1;
2517 }
2518
2519 matcherPart = search_make_key(imap_prop, &is_all);
2520
2521 matcherprop_free(imap_prop);
2522
2523 if (on_server) {
2524 *on_server &= matcherPart != NULL && prop->matchtype == MATCHTYPE_MATCHCASE;
2525 }
2526
2527 if (matcherPart) {
2528 if (key == NULL) {
2529 key = matcherPart;
2530 server_filtering_useless = is_all;
2531 } else if (predicate->bool_and) {
2532 key = imap_search_and(key, matcherPart);
2533 server_filtering_useless &= is_all;
2534 } else {
2535 key = imap_search_or(key, matcherPart);
2536 server_filtering_useless |= is_all;
2537 }
2538 }
2539 }
2540
2541 if (server_filtering_useless) {
2542 imap_search_free(key);
2543 key = NULL;
2544 }
2545
2546 if (key == NULL && progress_cb != NULL) {
2547 GSList* cur;
2548 GSList* list;
2549 int count = 0;
2550
2551 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2552 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2553
2554 list = folder_item_get_msg_list(container);
2555 for (cur = list; cur != NULL; cur = cur->next) {
2556 *msgs = g_slist_prepend(*msgs, GUINT_TO_POINTER(((MsgInfo*) cur->data)->msgnum));
2557 count++;
2558 }
2559 procmsg_msg_list_free(list);
2560
2561 *msgs = g_slist_reverse(*msgs);
2562
2563 return count;
2564 }
2565
2566 session = imap_session_get(folder);
2567 if (!session) {
2568 return -1;
2569 }
2570 result = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(container),
2571 NULL, NULL, NULL, NULL, NULL, TRUE);
2572 if (result != MAILIMAP_NO_ERROR)
2573 return -1;
2574
2575 if (progress_cb)
2576 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2577 result = imap_threaded_search(folder, IMAP_SEARCH_TYPE_KEYED, key, charset_to_use, NULL, &uidlist);
2578 if (progress_cb)
2579 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2580
2581 if (result == MAILIMAP_ERROR_PROTOCOL) {
2582 debug_print("Server side search unavailable, using local search\n");
2583 imap_handle_error(SESSION(session), NULL, result);
2584 result = folder_item_search_msgs_local(folder, container, msgs, NULL,
2585 predicate, progress_cb, progress_data);
2586 if (result < 0) {
2587 debug_print("search_msgs - got protocol error, aborting\n");
2588 alertpanel_error_log(_("Search failed due to server error."));
2589 return -1;
2590 }
2591
2592 return result;
2593 }
2594
2595 if (result == MAILIMAP_NO_ERROR) {
2596 gint result = 0;
2597
2598 *msgs = imap_uid_list_from_lep(uidlist, &result);
2599
2600 mailimap_search_result_free(uidlist);
2601
2602 if (charset_to_use != NULL)
2603 g_free(charset_to_use);
2604
2605 return result;
2606 } else if (charset_to_use != NULL) {
2607 /* If search failed and was on an 8-bit string, try the next
2608 * available charset to search if there still are some.
2609 */
2610 g_free(charset_to_use);
2611
2612 imap_change_search_charset(IMAP_FOLDER(folder));
2613 if (IMAP_FOLDER(folder)->search_charset_supported)
2614 return search_msgs(folder, container, msgs, on_server, predicate,
2615 progress_cb, progress_data);
2616 else {
2617 imap_handle_error(SESSION(session), NULL, result);
2618 return -1;
2619 }
2620 } else {
2621 imap_handle_error(SESSION(session), NULL, result);
2622 return -1;
2623 }
2624 }
2625
2626
2627 static gint imap_do_remove_msgs(Folder *folder, FolderItem *dest,
2628 MsgInfoList *msglist, GHashTable *relation)
2629 {
2630 gchar *destdir, *dir;
2631 GSList *numlist = NULL, *cur;
2632 MsgInfo *msginfo;
2633 IMAPSession *session;
2634 gint ok = MAILIMAP_NO_ERROR;
2635
2636 g_return_val_if_fail(folder != NULL, -1);
2637 g_return_val_if_fail(dest != NULL, -1);
2638 g_return_val_if_fail(msglist != NULL, -1);
2639
2640 debug_print("getting session...\n");
2641 session = imap_session_get(folder);
2642 if (!session) {
2643 return -1;
2644 }
2645
2646 lock_session(session); /* unlocked later in the function */
2647
2648 msginfo = (MsgInfo *)msglist->data;
2649
2650 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
2651 NULL, NULL, NULL, NULL, NULL, FALSE);
2652 if (ok != MAILIMAP_NO_ERROR) {
2653 return ok;
2654 }
2655
2656 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
2657 if (is_fatal(ok)) {
2658 g_free(destdir);
2659 return ok;
2660 }
2661 for (cur = msglist; cur; cur = cur->next) {
2662 msginfo = (MsgInfo *)cur->data;
2663 if (!MSG_IS_DELETED(msginfo->flags))
2664 numlist = g_slist_prepend(numlist, GINT_TO_POINTER(msginfo->msgnum));
2665 }
2666 numlist = g_slist_reverse(numlist);
2667
2668 if (numlist != NULL) {
2669 ok = imap_set_message_flags
2670 (session, IMAP_FOLDER_ITEM(msginfo->folder), numlist, IMAP_FLAG_DELETED, NULL, TRUE);
2671 if (ok != MAILIMAP_NO_ERROR) {
2672 log_warning(LOG_PROTOCOL, _("can't set deleted flags\n"));
2673 g_free(destdir);
2674 return ok;
2675 }
2676 } /* else we just need to expunge */
2677 ok = imap_cmd_expunge(session);
2678 if (ok != MAILIMAP_NO_ERROR) {
2679 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
2680 g_free(destdir);
2681 return ok;
2682 }
2683
2684 session->folder_content_changed = TRUE;
2685 unlock_session(session);
2686
2687 dir = folder_item_get_path(msginfo->folder);
2688 if (is_dir_exist(dir)) {
2689 for (cur = msglist; cur; cur = cur->next) {
2690 msginfo = (MsgInfo *)cur->data;
2691 remove_numbered_files(dir, msginfo->msgnum, msginfo->msgnum);
2692 }
2693 }
2694 g_free(dir);
2695
2696 g_slist_free(numlist);
2697
2698 imap_scan_required(folder, dest);
2699
2700 g_free(destdir);
2701
2702 return 0;
2703 }
2704
2705 static gint imap_remove_msgs(Folder *folder, FolderItem *dest,
2706 MsgInfoList *msglist, GHashTable *relation)
2707 {
2708 MsgInfo *msginfo;
2709
2710 g_return_val_if_fail(folder != NULL, -1);
2711 g_return_val_if_fail(dest != NULL, -1);
2712 if (msglist == NULL)
2713 return 0;
2714
2715 msginfo = (MsgInfo *)msglist->data;
2716 g_return_val_if_fail(msginfo->folder != NULL, -1);
2717
2718 return imap_do_remove_msgs(folder, dest, msglist, relation);
2719 }
2720
2721 static gint imap_remove_all_msg(Folder *folder, FolderItem *item)
2722 {
2723 GSList *list = folder_item_get_msg_list(item);
2724 gint res = imap_remove_msgs(folder, item, list, NULL);
2725 procmsg_msg_list_free(list);
2726 return res;
2727 }
2728
2729 static gboolean imap_is_msg_changed(Folder *folder, FolderItem *item,
2730 MsgInfo *msginfo)
2731 {
2732 /* TODO: properly implement this method */
2733 return FALSE;
2734 }
2735
2736 static gint imap_close(Folder *folder, FolderItem *item)
2737 {
2738 return 0;
2739 }
2740
2741 static gint imap_scan_tree_real(Folder *folder, gboolean subs_only)
2742 {
2743 FolderItem *item = NULL;
2744 IMAPSession *session;
2745 gchar *root_folder = NULL;
2746
2747 g_return_val_if_fail(folder != NULL, -1);
2748 g_return_val_if_fail(folder->account != NULL, -1);
2749
2750 debug_print("getting session...\n");
2751 session = imap_session_get(folder);
2752 if (!session) {
2753 if (!folder->node) {
2754 folder_tree_destroy(folder);
2755 item = folder_item_new(folder, folder->name, NULL);
2756 item->folder = folder;
2757 folder->node = item->node = g_node_new(item);
2758 }
2759 return -1;
2760 }
2761
2762 if (folder->account->imap_dir && *folder->account->imap_dir) {
2763 gchar *real_path;
2764 int r = MAILIMAP_NO_ERROR;
2765 clist * lep_list;
2766
2767 Xstrdup_a(root_folder, folder->account->imap_dir, {return -1;});
2768 extract_quote(root_folder, '"');
2769 subst_char(root_folder,
2770 imap_get_path_separator(session, IMAP_FOLDER(folder),
2771 root_folder, &r),
2772 '/');
2773 if (is_fatal(r))
2774 return -1;
2775 strtailchomp(root_folder, '/');
2776 real_path = imap_get_real_path
2777 (session, IMAP_FOLDER(folder), root_folder, &r);
2778 if (is_fatal(r)) {
2779 g_free(real_path);
2780 return -1;
2781 }
2782 debug_print("IMAP root directory: %s\n", real_path);
2783
2784 /* check if root directory exist */
2785
2786 r = imap_threaded_list(session->folder, "", real_path,
2787 &lep_list);
2788
2789 if (r != MAILIMAP_NO_ERROR)
2790 imap_handle_error(SESSION(session), NULL, r);
2791
2792 if ((r != MAILIMAP_NO_ERROR) || (clist_count(lep_list) == 0)) {
2793 if (!folder->node) {
2794 item = folder_item_new(folder, folder->name, NULL);
2795 item->folder = folder;
2796 folder->node = item->node = g_node_new(item);
2797 }
2798 return -1;
2799 }
2800 mailimap_list_result_free(lep_list);
2801
2802 g_free(real_path);
2803 }
2804
2805 if (folder->node)
2806 item = FOLDER_ITEM(folder->node->data);
2807
2808 if (item && !item->path && root_folder) {
2809 item->path = g_strdup(root_folder);
2810 }
2811
2812 if (!item || ((item->path || root_folder) &&
2813 g_strcmp0(item->path, root_folder) != 0)) {
2814 folder_tree_destroy(folder);
2815 item = folder_item_new(folder, folder->name, root_folder);
2816 item->folder = folder;
2817 folder->node = item->node = g_node_new(item);
2818 }
2819
2820 imap_scan_tree_recursive(session, FOLDER_ITEM(folder->node->data), subs_only);
2821 imap_create_missing_folders(folder);
2822
2823 return 0;
2824 }
2825
2826 static gint imap_scan_tree(Folder *folder)
2827 {
2828 gboolean subs_only = FALSE;
2829 if (folder->account) {
2830 debug_print(" scanning only subs %d\n", folder->account->imap_subsonly);
2831 subs_only = folder->account->imap_subsonly;
2832 }
2833 return imap_scan_tree_real(folder, subs_only);
2834 }
2835
2836 static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2837 {
2838 /* reset recursion depth counter */
2839 session->scan_tree_recurs_depth = 0;
2840
2841 return imap_scan_tree_recursive_dive(session, item, subs_only);
2842 }
2843
2844 static gint imap_scan_tree_recursive_dive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2845 {
2846 Folder *folder;
2847 IMAPFolder *imapfolder;
2848 FolderItem *new_item;
2849 GSList *item_list, *cur;
2850 GNode *node;
2851 gchar *real_path;
2852 gchar *wildcard_path;
2853 gchar separator;
2854 gchar wildcard[3];
2855 clist * lep_list;
2856 int r = MAILIMAP_NO_ERROR;
2857
2858 g_return_val_if_fail(item != NULL, -1);
2859 g_return_val_if_fail(item->folder != NULL, -1);
2860 g_return_val_if_fail(item->no_sub == FALSE, -1);
2861
2862 /* recursion depth limiter */
2863 if(session->scan_tree_recurs_depth >= prefs_common.imap_scan_tree_recurs_limit) {
2864 g_warning("IMAP scan tree recursion limit reached (%d, folder '%s')",
2865 prefs_common.imap_scan_tree_recurs_limit, item->folder->name);
2866 return -1;
2867 }
2868 /* entering recursion func: increase depth counter */
2869 session->scan_tree_recurs_depth++;
2870
2871 folder = item->folder;
2872 imapfolder = IMAP_FOLDER(folder);
2873
2874 separator = imap_get_path_separator(session, imapfolder, item->path, &r);
2875 if (is_fatal(r))
2876 return r;
2877
2878 if (folder->ui_func)
2879 folder->ui_func(folder, item, folder->ui_func_data);
2880
2881 if (item->path) {
2882 wildcard[0] = separator;
2883 wildcard[1] = '%';
2884 wildcard[2] = '\0';
2885 real_path = imap_get_real_path(session, imapfolder, item->path, &r);
2886 if (is_fatal(r)) {
2887 g_free(real_path);
2888 return r;
2889 }
2890 } else {
2891 wildcard[0] = '%';
2892 wildcard[1] = '\0';
2893 real_path = g_strdup("");
2894 }
2895
2896 Xstrcat_a(wildcard_path, real_path, wildcard,
2897 {g_free(real_path); return MAILIMAP_ERROR_BAD_STATE;});
2898 lep_list = NULL;
2899
2900 if (subs_only)
2901 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
2902 else
2903 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
2904
2905 if (r != MAILIMAP_NO_ERROR) {
2906 imap_handle_error(SESSION(session), NULL, r);
2907 item_list = NULL;
2908 g_free(real_path);
2909 return r;
2910 }
2911 else {
2912 item_list = imap_list_from_lep(imapfolder,
2913 lep_list, real_path, FALSE);
2914 mailimap_list_result_free(lep_list);
2915 }
2916
2917 g_free(real_path);
2918
2919 node = item->node->children;
2920 while (node != NULL) {
2921 FolderItem *old_item = FOLDER_ITEM(node->data);
2922 GNode *next = node->next;
2923
2924 new_item = NULL;
2925 for (cur = item_list; cur != NULL; cur = cur->next) {
2926 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2927 if (!g_strcmp0(old_item->path, cur_item->path)) {
2928 new_item = cur_item;
2929 break;
2930 }
2931 }
2932 if (!new_item) {
2933 if (old_item && old_item->path && !strcasecmp(old_item->path, "INBOX")) {
2934 debug_print("not removing INBOX\n");
2935 } else {
2936 debug_print("folder '%s' not found. removing...\n",
2937 old_item->path);
2938 folder_item_remove(old_item);
2939 }
2940 } else {
2941 old_item->no_sub = new_item->no_sub;
2942 old_item->no_select = new_item->no_select;
2943 if (old_item->no_sub == TRUE && node->children) {
2944 debug_print("folder '%s' doesn't have "
2945 "subfolders. removing...\n",
2946 old_item->path);
2947 folder_item_remove_children(old_item);
2948 }
2949 }
2950
2951 node = next;
2952 }
2953
2954 for (cur = item_list; cur != NULL; cur = cur->next) {
2955 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2956 new_item = NULL;
2957
2958 for (node = item->node->children; node != NULL;
2959 node = node->next) {
2960 if (!g_strcmp0(FOLDER_ITEM(node->data)->path,
2961 cur_item->path)) {
2962 new_item = FOLDER_ITEM(node->data);
2963 folder_item_destroy(cur_item);
2964 cur_item = NULL;
2965 break;
2966 }
2967 }
2968 if (!new_item) {
2969 new_item = cur_item;
2970 debug_print("new folder '%s' found.\n", new_item->path);
2971 folder_item_append(item, new_item);
2972 }
2973
2974 if (!strcasecmp(new_item->path, "INBOX")) {
2975 new_item->stype = F_INBOX;
2976 folder->inbox = new_item;
2977 } else if (!folder_item_parent(item) || item->stype == F_INBOX) {
2978 gchar *base;
2979
2980 base = g_path_get_basename(new_item->path);
2981
2982 if (!folder->outbox && !g_ascii_strcasecmp(base, "Sent")) {
2983 new_item->stype = F_OUTBOX;
2984 folder->outbox = new_item;
2985 } else if (!folder->draft && (!g_ascii_strcasecmp(base, "Drafts") || !g_ascii_strcasecmp(base, "Draft"))) {
2986 new_item->stype = F_DRAFT;
2987 folder->draft = new_item;
2988 } else if (!folder->queue && !g_ascii_strcasecmp(base, "Queue")) {
2989 new_item->stype = F_QUEUE;
2990 folder->queue = new_item;
2991 } else if (!folder->trash && !g_ascii_strcasecmp(base, "Trash")) {
2992 new_item->stype = F_TRASH;
2993 folder->trash = new_item;
2994 }
2995 g_free(base);
2996 }
2997
2998 if (new_item->no_sub == FALSE) {
2999 imap_scan_tree_recursive_dive(session, new_item, subs_only);
3000
3001 /* entering recursion func: increase depth counter */
3002 session->scan_tree_recurs_depth--;
3003 if (session->scan_tree_recurs_depth < 0)
3004 g_error("IMAP scan tree recursion underflow (%d)",
3005 session->scan_tree_recurs_depth);
3006 }
3007 }
3008
3009 g_slist_free(item_list);
3010
3011 return MAILIMAP_NO_ERROR;
3012 }
3013
3014 GList *imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
3015 {
3016 IMAPSession *session = imap_session_get(folder);
3017 gchar *real_path;
3018 gchar *wildcard_path;
3019 gchar separator;
3020 gchar wildcard[3];
3021 clist * lep_list;
3022 GSList *item_list = NULL, *cur;
3023 GList *child_list = NULL, *tmplist = NULL;
3024 GSList *sub_list = NULL;
3025 int r = MAILIMAP_NO_ERROR;
3026
3027 if (!session)
3028 return NULL;
3029
3030 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &r);
3031 if (is_fatal(r))
3032 return NULL;
3033
3034 if (item->path) {
3035 wildcard[0] = separator;
3036 wildcard[1] = '%';
3037 wildcard[2] = '\0';
3038 real_path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
3039 if (is_fatal(r)) {
3040 g_free(real_path);
3041 return NULL;
3042 }
3043 } else {
3044 wildcard[0] = '%';
3045 wildcard[1] = '\0';
3046 real_path = g_strdup("");
3047 }
3048
3049 Xstrcat_a(wildcard_path, real_path, wildcard,
3050 {g_free(real_path); return NULL;});
3051 lep_list = NULL;
3052
3053 if (unsubs_only)
3054 statusbar_print_all(_("Looking for unsubscribed folders in %s..."),
3055 item->path?item->path:item->name);
3056 else
3057 statusbar_print_all(_("Looking for subfolders of %s..."),
3058 item->path?item->path:item->name);
3059
3060 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
3061 if (r) {
3062 g_free(real_path);
3063 statusbar_pop_all();
3064 return NULL;
3065 }
3066 item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3067 lep_list, real_path, FALSE);
3068 mailimap_list_result_free(lep_list);
3069
3070 for (cur = item_list; cur != NULL; cur = cur->next) {
3071 FolderItem *cur_item = FOLDER_ITEM(cur->data);
3072 if (recursive) {
3073 tmplist = imap_scan_subtree(folder, cur_item,
3074 unsubs_only, recursive);
3075 if (tmplist)
3076 child_list = g_list_concat(child_list, tmplist);
3077 }
3078 child_list = g_list_prepend(child_list,
3079 imap_get_real_path(session,
3080 IMAP_FOLDER(folder), cur_item->path, &r));
3081 if (is_fatal(r)) {
3082 g_free(real_path);
3083 statusbar_pop_all();
3084 return NULL;
3085 }
3086 folder_item_destroy(cur_item);
3087 }
3088 child_list = g_list_reverse(child_list);
3089 g_slist_free(item_list);
3090
3091 if (unsubs_only) {
3092 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
3093 if (r) {
3094 g_free(real_path);
3095 statusbar_pop_all();
3096 return NULL;
3097 }
3098 sub_list = imap_list_from_lep(IMAP_FOLDER(folder),
3099 lep_list, real_path, FALSE);
3100 mailimap_list_result_free(lep_list);
3101
3102 for (cur = sub_list; cur != NULL; cur = cur->next) {
3103 FolderItem *cur_item = FOLDER_ITEM(cur->data);
3104 GList *oldlitem = NULL;
3105 gchar *tmp = imap_get_real_path(session,
3106 IMAP_FOLDER(folder), cur_item->path, &r);
3107 if (r) {
3108 g_free(real_path);
3109 statusbar_pop_all();
3110 g_free(tmp);
3111 return NULL;
3112 }
3113 folder_item_destroy(cur_item);
3114 oldlitem = g_list_find_custom(
3115 child_list, tmp, (GCompareFunc)g_strcmp0);
3116 if (oldlitem) {
3117 child_list = g_list_remove_link(child_list, oldlitem);
3118 g_free(oldlitem->data);
3119 g_list_free(oldlitem);
3120 }
3121 g_free(tmp);
3122 }
3123 }
3124
3125 g_free(real_path);
3126 statusbar_pop_all();
3127
3128 return child_list;
3129 }
3130
3131 static gint imap_create_tree(Folder *folder)
3132 {
3133 g_return_val_if_fail(folder != NULL, -1);
3134 g_return_val_if_fail(folder->node != NULL, -1);
3135 g_return_val_if_fail(folder->node->data != NULL, -1);
3136 g_return_val_if_fail(folder->account != NULL, -1);
3137
3138 imap_scan_tree(folder);
3139 imap_create_missing_folders(folder);
3140
3141 return 0;
3142 }
3143
3144 static void imap_create_missing_folders(Folder *folder)
3145 {
3146 g_return_if_fail(folder != NULL);
3147
3148 if (!folder->inbox)
3149 folder->inbox = imap_create_special_folder
3150 (folder, F_INBOX, "INBOX");
3151 if (!folder->trash)
3152 folder->trash = imap_create_special_folder
3153 (folder, F_TRASH, "Trash");
3154 if (!folder->queue)
3155 folder->queue = imap_create_special_folder
3156 (folder, F_QUEUE, "Queue");
3157 if (!folder->outbox)
3158 folder->outbox = imap_create_special_folder
3159 (folder, F_OUTBOX, "Sent");
3160 if (!folder->draft)
3161 folder->draft = imap_create_special_folder
3162 (folder, F_DRAFT, "Drafts");
3163 }
3164
3165 static FolderItem *imap_create_special_folder(Folder *folder,
3166 SpecialFolderItemType stype,
3167 const gchar *name)
3168 {
3169 FolderItem *item;
3170 FolderItem *new_item;
3171
3172 g_return_val_if_fail(folder != NULL, NULL);
3173 g_return_val_if_fail(folder->node != NULL, NULL);
3174 g_return_val_if_fail(folder->node->data != NULL, NULL);
3175 g_return_val_if_fail(folder->account != NULL, NULL);
3176 g_return_val_if_fail(name != NULL, NULL);
3177
3178 item = FOLDER_ITEM(folder->node->data);
3179 new_item = imap_create_folder(folder, item, name);
3180
3181 if (!new_item) {
3182 g_warning("can't create '%s'", name);
3183 if (!folder->inbox) return NULL;
3184
3185 new_item = imap_create_folder(folder, folder->inbox, name);
3186 if (!new_item)
3187 g_warning("can't create '%s' under INBOX", name);
3188 else
3189 new_item->stype = stype;
3190 } else
3191 new_item->stype = stype;
3192
3193 return new_item;
3194 }
3195
3196 #ifdef G_OS_WIN32
3197 static gchar *imap_encode_unsafe_chars(const gchar *str)
3198 {
3199 gchar *ret = NULL, *o_ret;
3200 gchar *i;
3201 if (!str)
3202 return NULL;
3203 ret = g_malloc(3*strlen(str)+1);
3204 o_ret = ret;
3205 for (i = (gchar *)str; *i; i++) {
3206 switch(*i) {
3207 case ':':
3208 case '|':
3209 case '<':
3210 case '>':
3211 case '*':
3212 case '?':
3213 case '#':
3214 *ret++ = '%';
3215 *ret++ = '0'+(*i/10);
3216 *ret++ = '0'+(*i%10);
3217 break;
3218 default:
3219 *ret++ = *i;
3220 }
3221 }
3222 *ret++ = '\0';
3223 return o_ret;
3224 }
3225 #endif
3226 static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
3227 {
3228 gchar *folder_path, *path;
3229 gchar *item_path = NULL;
3230
3231 g_return_val_if_fail(folder != NULL, NULL);
3232 g_return_val_if_fail(folder->account != NULL, NULL);
3233 g_return_val_if_fail(item != NULL, NULL);
3234 folder_path = prefs_account_cache_dir(folder->account, FALSE);
3235
3236 g_return_val_if_fail(folder_path != NULL, NULL);
3237
3238 #ifdef G_OS_UNIX
3239 item_path = g_strdup(item->path);
3240 #else
3241 item_path = imap_encode_unsafe_chars(item->path);
3242 #endif
3243
3244 if (g_path_is_absolute(folder_path)) {
3245 if (item_path)
3246 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
3247 item_path, NULL);
3248 else
3249 path = g_strdup(folder_path);
3250 } else {
3251 if (item_path)
3252 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3253 folder_path, G_DIR_SEPARATOR_S,
3254 item_path, NULL);
3255 else
3256 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3257 folder_path, NULL);
3258 }
3259 g_free(folder_path);
3260 g_free(item_path);
3261 #ifdef G_OS_WIN32
3262 while (strchr(path, '/'))
3263 *strchr(path, '/') = '\\';
3264 #endif
3265
3266 return path;
3267 }
3268
3269 static FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
3270 const gchar *name)
3271 {
3272 gchar *dirpath, *imap_path;
3273 IMAPSession *session;
3274 FolderItem *new_item;
3275 gchar separator;
3276 gchar *new_name;
3277 const gchar *p;
3278 gint ok = MAILIMAP_NO_ERROR;
3279 gboolean no_select = FALSE, no_sub = FALSE;
3280 gboolean exist = FALSE;
3281
3282 g_return_val_if_fail(folder != NULL, NULL);
3283 g_return_val_if_fail(folder->account != NULL, NULL);
3284 g_return_val_if_fail(parent != NULL, NULL);
3285 g_return_val_if_fail(name != NULL, NULL);
3286
3287 if (to_number(name) > 0) {
3288 gchar *cached_msg = imap_get_cached_filename(parent, to_number(name));
3289 if (is_file_exist(cached_msg)) {
3290 if (claws_unlink(cached_msg) != 0) {
3291 g_free(cached_msg);
3292 return NULL;
3293 }
3294 }
3295 g_free(cached_msg);
3296 }
3297
3298 debug_print("getting session...\n");
3299 session = imap_session_get(folder);
3300 if (!session) {
3301 return NULL;
3302 }
3303
3304 if (!folder_item_parent(parent) && strcasecmp(name, "INBOX") == 0) {
3305 dirpath = g_strdup(name);
3306 }else if (parent->path)
3307 dirpath = g_strconcat(parent->path, "/", name, NULL);
3308 else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
3309 dirpath = g_strdup(name);
3310 else if (folder->account->imap_dir && *folder->account->imap_dir) {
3311 gchar *imap_dir;
3312
3313 Xstrdup_a(imap_dir, folder->account->imap_dir, {return NULL;});
3314 strtailchomp(imap_dir, '/');
3315 dirpath = g_strconcat(imap_dir, "/", name, NULL);
3316 } else
3317 dirpath = g_strdup(name);
3318
3319
3320
3321 /* keep trailing directory separator to create a folder that contains
3322 sub folder */
3323 imap_path = imap_utf8_to_modified_utf7(dirpath, FALSE);
3324
3325 strtailchomp(dirpath, '/');
3326 Xstrdup_a(new_name, name, {
3327 g_free(dirpath);
3328 g_free(imap_path);
3329 return NULL;});
3330
3331 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), imap_path, &ok);
3332 if (is_fatal(ok)) {
3333 g_free(dirpath);
3334 g_free(imap_path);
3335 return NULL;
3336 }
3337 imap_path_separator_subst(imap_path, separator);
3338 /* remove trailing / for display */
3339 strtailchomp(new_name, '/');
3340
3341 if (strcasecmp(dirpath, "INBOX") != 0) {
3342 int r;
3343 clist * lep_list;
3344
3345 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3346 if (r != MAILIMAP_NO_ERROR) {
3347 imap_handle_error(SESSION(session), NULL, r);
3348 log_warning(LOG_PROTOCOL, _("can't create mailbox: LIST failed\n"));
3349 g_free(imap_path);
3350 g_free(dirpath);
3351 return NULL;
3352 }
3353
3354 if (clist_count(lep_list) > 0)
3355 exist = TRUE;
3356 mailimap_list_result_free(lep_list);
3357 lep_list = NULL;
3358 if (!exist) {
3359 ok = imap_cmd_create(session, imap_path);
3360 if (ok != MAILIMAP_NO_ERROR) {
3361 log_warning(LOG_PROTOCOL, _("can't create mailbox\n"));
3362 g_free(imap_path);
3363 g_free(dirpath);
3364 return NULL;
3365 }
3366 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3367 if (r == MAILIMAP_NO_ERROR) {
3368 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3369 lep_list, dirpath, TRUE);
3370 if (item_list) {
3371 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3372 no_select = cur_item->no_select;
3373 no_sub = cur_item->no_sub;
3374 g_slist_free(item_list);
3375 }
3376 mailimap_list_result_free(lep_list);
3377 } else {
3378 imap_handle_error(SESSION(session), NULL, r);
3379 }
3380 }
3381 imap_threaded_subscribe(folder, imap_path, TRUE);
3382 } else {
3383 clist *lep_list;
3384 int r;
3385 /* just get flags */
3386 r = imap_threaded_list(folder, "", "INBOX", &lep_list);
3387 if (r == MAILIMAP_NO_ERROR) {
3388 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3389 lep_list, dirpath, TRUE);
3390 if (item_list) {
3391 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3392 no_select = cur_item->no_select;
3393 no_sub = cur_item->no_sub;
3394 g_slist_free(item_list);
3395 }
3396 mailimap_list_result_free(lep_list);
3397 } else {
3398 imap_handle_error(SESSION(session), NULL, r);
3399 }
3400 }
3401
3402 new_item = folder_item_new(folder, new_name, dirpath);
3403 new_item->no_select = no_select;
3404 new_item->no_sub = no_sub;
3405 folder_item_append(parent, new_item);
3406 g_free(imap_path);
3407 g_free(dirpath);
3408
3409 dirpath = folder_item_get_path(new_item);
3410 if (!is_dir_exist(dirpath))
3411 make_dir_hier(dirpath);
3412 g_free(dirpath);
3413
3414 if (exist) {
3415 /* folder existed, scan it */
3416 imap_scan_required(folder, new_item);
3417 folder_item_scan_full(new_item, FALSE);
3418 }
3419
3420 return new_item;
3421 }
3422
3423 static gint imap_rename_folder(Folder *folder, FolderItem *item,
3424 const gchar *name)
3425 {
3426 gchar *dirpath;
3427 gchar *newpath;
3428 gchar *real_oldpath;
3429 gchar *real_newpath;
3430 gchar *paths[2];
3431 gchar *old_cache_dir;
3432 gchar *new_cache_dir;
3433 IMAPSession *session;
3434 gchar separator;
3435 gint ok = MAILIMAP_NO_ERROR;
3436 gint exists, recent, unseen;
3437 guint32 uid_validity;
3438
3439 g_return_val_if_fail(folder != NULL, -1);
3440 g_return_val_if_fail(item != NULL, -1);
3441 g_return_val_if_fail(item->path != NULL, -1);
3442 g_return_val_if_fail(name != NULL, -1);
3443
3444 debug_print("getting session...\n");
3445 session = imap_session_get(folder);
3446 if (!session) {
3447 return -1;
3448 }
3449
3450 if (strchr(name, imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok)) != NULL ||
3451 is_fatal(ok)) {
3452 g_warning("new folder name must not contain the namespace path separator");
3453 return -1;
3454 }
3455
3456 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3457 if (is_fatal(ok)) {
3458 g_free(real_oldpath);
3459 return -1;
3460 }
3461
3462 g_free(session->mbox);
3463 session->mbox = NULL;
3464 session->exists = 0;
3465 session->recent = 0;
3466 session->expunge = 0;
3467 ok = imap_cmd_examine(session, "INBOX",
3468 &exists, &recent, &unseen, &uid_validity, FALSE);
3469 if (ok != MAILIMAP_NO_ERROR) {
3470 g_free(real_oldpath);
3471 return -1;
3472 }
3473
3474 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok);
3475 if (is_fatal(ok)) {
3476 g_free(real_oldpath);
3477 return -1;
3478 }
3479 if (strchr(item->path, '/')) {
3480 dirpath = g_path_get_dirname(item->path);
3481 newpath = g_strconcat(dirpath, "/", name, NULL);
3482 g_free(dirpath);
3483 } else
3484 newpath = g_strdup(name);
3485
3486 real_newpath = imap_utf8_to_modified_utf7(newpath, FALSE);
3487 imap_path_separator_subst(real_newpath, separator);
3488
3489 ok = imap_cmd_rename(session, real_oldpath, real_newpath);
3490 if (ok != MAILIMAP_NO_ERROR) {
3491 log_warning(LOG_PROTOCOL, _("can't rename mailbox: %s to %s\n"),
3492 real_oldpath, real_newpath);
3493 g_free(real_oldpath);
3494 g_free(newpath);
3495 g_free(real_newpath);
3496 return -1;
3497 }
3498 g_free(item->name);
3499 item->name = g_strdup(name);
3500
3501 old_cache_dir = folder_item_get_path(item);
3502
3503 paths[0] = g_strdup(item->path);
3504 paths[1] = newpath;
3505 g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
3506 imap_rename_folder_func, paths);
3507
3508 if (is_dir_exist(old_cache_dir)) {
3509 new_cache_dir = folder_item_get_path(item);
3510 if (g_rename(old_cache_dir, new_cache_dir) < 0) {
3511 FILE_OP_ERROR(old_cache_dir, "rename");
3512 }
3513 g_free(new_cache_dir);
3514 }
3515
3516 g_free(old_cache_dir);
3517 g_free(paths[0]);
3518 g_free(newpath);
3519 g_free(real_oldpath);
3520 g_free(real_newpath);
3521 return 0;
3522 }
3523
3524 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
3525 {
3526 gchar *path;
3527 gint r = MAILIMAP_NO_ERROR;
3528 IMAPSession *session;
3529 debug_print("getting session...\n");
3530
3531 session = imap_session_get(folder);
3532 if (!session) {
3533 return -1;
3534 }
3535 if (item && item->path) {
3536 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
3537 if (!path)
3538 return -1;
3539 if (is_fatal(r)) {
3540 g_free(path);
3541 return -1;
3542 }
3543 if (!strcasecmp(path, "INBOX") && sub == FALSE) {
3544 g_free(path);
3545 return -1;
3546 }
3547 debug_print("%ssubscribing %s\n", sub?"":"un", path);
3548 r = imap_threaded_subscribe(folder, path, sub);
3549 g_free(path);
3550 } else if (rpath) {
3551 r = imap_threaded_subscribe(folder, rpath, sub);
3552 } else
3553 return -1;
3554 return r;
3555 }
3556
3557 static gint imap_remove_folder_real(Folder *folder, FolderItem *item)
3558 {
3559 gint ok = MAILIMAP_NO_ERROR;
3560 IMAPSession *session;
3561 gchar *path;
3562 gchar *cache_dir;
3563 gboolean selected_folder;
3564
3565 g_return_val_if_fail(folder != NULL, -1);
3566 g_return_val_if_fail(item != NULL, -1);
3567 g_return_val_if_fail(item->path != NULL, -1);
3568
3569 debug_print("getting session...\n");
3570 session = imap_session_get(folder);
3571 if (!session) {
3572 return -1;
3573 }
3574 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3575 if (is_fatal(ok)) {
3576 g_free(path);
3577 return -1;
3578 }
3579 imap_threaded_subscribe(folder, path, FALSE);
3580
3581 selected_folder = (session->mbox != NULL) &&
3582 (!strcmp(session->mbox, item->path));
3583 if (selected_folder) {
3584 ok = imap_cmd_close(session);
3585 if (ok != MAILIMAP_NO_ERROR) {
3586 debug_print("close err %d\n", ok);
3587 return ok;
3588 }
3589 }
3590 ok = imap_cmd_delete(session, path);
3591 if (ok != MAILIMAP_NO_ERROR && !is_fatal(ok)) {
3592 gchar *tmp = NULL;
3593
3594 ok = MAILIMAP_NO_ERROR;
3595 tmp = g_strdup_printf("%s%c", path,
3596 imap_get_path_separator(session, IMAP_FOLDER(folder), path, &ok));
3597 g_free(path);
3598 path = tmp;
3599 if (!is_fatal(ok))
3600 ok = imap_cmd_delete(session, path);
3601 }
3602
3603 if (ok != MAILIMAP_NO_ERROR) {
3604 log_warning(LOG_PROTOCOL, _("can't delete mailbox\n"));
3605 g_free(path);
3606 return -1;
3607 }
3608
3609 g_free(path);
3610 cache_dir = folder_item_get_path(item);
3611 if (is_dir_exist(cache_dir) && remove_dir_recursive(cache_dir) < 0)
3612 g_warning("can't remove directory '%s'", cache_dir);
3613 g_free(cache_dir);
3614 folder_item_remove(item);
3615 return 0;
3616 }
3617
3618 static gint imap_remove_folder(Folder *folder, FolderItem *item)
3619 {
3620 GNode *node, *next;
3621
3622 g_return_val_if_fail(item != NULL, -1);
3623 g_return_val_if_fail(item->folder != NULL, -1);
3624 g_return_val_if_fail(item->node != NULL, -1);
3625
3626 node = item->node->children;
3627 while (node != NULL) {
3628 next = node->next;
3629 if (imap_remove_folder(folder, FOLDER_ITEM(node->data)) < 0)
3630 return -1;
3631 node = next;
3632 }
3633 debug_print("IMAP removing %s\n", item->path);
3634
3635 if (imap_remove_all_msg(folder, item) < 0)
3636 return -1;
3637 return imap_remove_folder_real(folder, item);
3638 }
3639
3640 typedef struct _uncached_data {
3641 IMAPSession *session;
3642 FolderItem *item;
3643 MsgNumberList *numlist;
3644 guint cur;
3645 guint total;
3646 gboolean done;
3647 int ok;
3648 } uncached_data;
3649
3650 static void *imap_get_uncached_messages_thread(void *data)
3651 {
3652 uncached_data *stuff = (uncached_data *)data;
3653 IMAPSession *session = stuff->session;
3654 FolderItem *item = stuff->item;
3655 MsgNumberList *numlist = stuff->numlist;
3656 GSList *newlist = NULL;
3657 GSList *llast = NULL;
3658 GSList *seq_list, *cur;
3659 gboolean got_alien_tags = FALSE;
3660
3661 debug_print("uncached_messages\n");
3662
3663 if (session == NULL || item == NULL || item->folder == NULL
3664 || FOLDER_CLASS(item->folder) != &imap_class) {
3665 stuff->done = TRUE;
3666 return NULL;
3667 }
3668
3669 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(item->folder), numlist);
3670 debug_print("get msgs info\n");
3671 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
3672 struct mailimap_set * imapset;
3673 unsigned int i;
3674 int r;
3675 carray * env_list;
3676 int count;
3677
3678 if (session->cancelled)
3679 break;
3680
3681 imapset = cur->data;
3682
3683 r = imap_threaded_fetch_env(session->folder,
3684 imapset, &env_list);
3685 if (r != MAILIMAP_NO_ERROR) {
3686 imap_handle_error(SESSION(session), NULL, r);
3687 if (is_fatal(r)) {
3688 stuff->ok = r;
3689 return NULL;
3690 }
3691 continue;
3692 }
3693
3694 session_set_access_time(SESSION(session));
3695
3696 count = 0;
3697 for(i = 0 ; i < carray_count(env_list) ; i += 2) {
3698 struct imap_fetch_env_info * info;
3699 MsgInfo * msginfo;
3700 GSList *tags = NULL, *cur = NULL;
3701 info = carray_get(env_list, i);
3702 tags = carray_get(env_list, i+1);
3703 msginfo = imap_envelope_from_lep(info, item);
3704 if (msginfo == NULL) {
3705 slist_free_strings_full(tags);
3706 continue;
3707 }
3708 g_slist_free(msginfo->tags);
3709 msginfo->tags = NULL;
3710
3711 for (cur = tags; cur; cur = cur->next) {
3712 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
3713 gint id = 0;
3714 id = tags_get_id_for_str(real_tag);
3715 if (id == -1) {
3716 id = tags_add_tag(real_tag);
3717 got_alien_tags = TRUE;
3718 }
3719 if (!g_slist_find(msginfo->tags, GINT_TO_POINTER(id))) {
3720 msginfo->tags = g_slist_prepend(
3721 msginfo->tags,
3722 GINT_TO_POINTER(id));
3723 }
3724 g_free(real_tag);
3725 }
3726 if (msginfo->tags)
3727 msginfo->tags = g_slist_reverse(msginfo->tags);
3728 slist_free_strings_full(tags);
3729 msginfo->folder = item;
3730 if (!newlist)
3731 llast = newlist = g_slist_append(newlist, msginfo);
3732 else {
3733 llast = g_slist_append(llast, msginfo);
3734 llast = llast->next;
3735 }
3736 count ++;
3737 }
3738
3739 imap_fetch_env_free(env_list);
3740 }
3741
3742 if (got_alien_tags) {
3743 tags_write_tags();
3744 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
3745 }
3746
3747 imap_lep_set_free(seq_list);
3748
3749 session_set_access_time(SESSION(session));
3750 stuff->done = TRUE;
3751 return newlist;
3752 }
3753
3754 #define MAX_MSG_NUM 50
3755
3756 static GSList *imap_get_uncached_messages(IMAPSession *session,
3757 FolderItem *item,
3758 MsgNumberList *numlist,
3759 int *r)
3760 {
3761 GSList *result = NULL;
3762 GSList * cur;
3763 uncached_data *data = g_new0(uncached_data, 1);
3764
3765 cur = numlist;
3766 data->total = g_slist_length(numlist);
3767 data->ok = MAILIMAP_NO_ERROR;
3768 debug_print("messages list : %i\n", data->total);
3769
3770 while (cur != NULL) {
3771 GSList * partial_result;
3772 int count;
3773 GSList * newlist;
3774 GSList * llast;
3775
3776 llast = NULL;
3777 count = 0;
3778 newlist = NULL;
3779 while (count < MAX_MSG_NUM) {
3780 void * p;
3781
3782 p = cur->data;
3783
3784 if (newlist == NULL)
3785 llast = newlist = g_slist_append(newlist, p);
3786 else {
3787 llast = g_slist_append(llast, p);
3788 llast = llast->next;
3789 }
3790 count ++;
3791
3792 cur = cur->next;
3793 if (cur == NULL)
3794 break;
3795 }
3796
3797 data->done = FALSE;
3798 data->session = session;
3799 data->item = item;
3800 data->numlist = newlist;
3801 data->cur += count;
3802
3803 if (prefs_common.work_offline &&
3804 !inc_offline_should_override(FALSE,
3805 _("Claws Mail needs network access in order "
3806 "to access the IMAP server."))) {
3807 g_free(data);
3808 return NULL;
3809 }
3810
3811 partial_result =
3812 (GSList *)imap_get_uncached_messages_thread(data);
3813 *r = data->ok;
3814 if (data->ok != MAILIMAP_NO_ERROR) {
3815 goto bail;
3816 }
3817 statusbar_progress_all(data->cur,data->total, 1);
3818
3819 g_slist_free(newlist);
3820
3821 result = g_slist_concat(result, partial_result);
3822 }
3823 bail:
3824 g_free(data);
3825
3826 statusbar_progress_all(0,0,0);
3827 statusbar_pop_all();
3828
3829 return result;
3830 }
3831
3832 static void imap_delete_all_cached_messages(FolderItem *item)
3833 {
3834 gchar *dir;
3835
3836 g_return_if_fail(item != NULL);
3837 g_return_if_fail(item->folder != NULL);
3838 g_return_if_fail(FOLDER_CLASS(item->folder) == &imap_class);
3839
3840 debug_print("Deleting all cached messages...\n");
3841
3842 dir = folder_item_get_path(item);
3843 if (is_dir_exist(dir))
3844 remove_all_numbered_files(dir);
3845 g_free(dir);
3846
3847 debug_print("Deleting all cached messages done.\n");
3848 }
3849
3850 gchar imap_get_path_separator_for_item(FolderItem *item)
3851 {
3852 Folder *folder = NULL;
3853 IMAPFolder *imap_folder = NULL;
3854 IMAPSession *session = NULL;
3855 gchar result = '/';
3856 gint ok = MAILIMAP_NO_ERROR;
3857 if (!item)
3858 return '/';
3859 folder = item->folder;
3860
3861 if (!folder)
3862 return '/';
3863
3864 imap_folder = IMAP_FOLDER(folder);
3865
3866 debug_print("getting session...\n");
3867 session = imap_session_get(FOLDER(folder));
3868 result = imap_get_path_separator(session, imap_folder, item->path, &ok);
3869 return result;
3870 }
3871
3872 static gchar imap_refresh_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *subfolder, gint *ok)
3873 {
3874 clist * lep_list;
3875 int r;
3876 gchar separator = '\0';
3877
3878 g_return_val_if_fail(session != NULL, '/');
3879 r = imap_threaded_list((Folder *)folder, "", subfolder, &lep_list);
3880
3881 if (r != MAILIMAP_NO_ERROR) {
3882 imap_handle_error(SESSION(session), NULL, r);
3883 log_warning(LOG_PROTOCOL, _("LIST failed\n"));
3884 *ok = r;
3885 return '\0';
3886 }
3887
3888 if (lep_list != NULL && clist_count(lep_list) > 0) {
3889 clistiter * iter = clist_begin(lep_list);
3890 struct mailimap_mailbox_list * mb;
3891 mb = clist_content(iter);
3892
3893 separator = mb->mb_delimiter;
3894 debug_print("got separator: %c\n", folder->last_seen_separator);
3895 }
3896 *ok = MAILIMAP_NO_ERROR;
3897 mailimap_list_result_free(lep_list);
3898 return separator;
3899 }
3900
3901 static gchar imap_get_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3902 {
3903 gchar separator = '/';
3904 *ok = MAILIMAP_NO_ERROR;
3905 if (folder->last_seen_separator == 0) {
3906 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "", ok);
3907 }
3908
3909 if (folder->last_seen_separator == 0) {
3910 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "INBOX", ok);
3911 }
3912
3913 if (folder->last_seen_separator != 0) {
3914 debug_print("using separator: %c\n", folder->last_seen_separator);
3915 return folder->last_seen_separator;
3916 }
3917
3918 return separator;
3919 }
3920
3921 static gchar *imap_get_real_path(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3922 {
3923 gchar *real_path = NULL;
3924 gchar separator;
3925
3926 g_return_val_if_fail(folder != NULL, NULL);
3927 g_return_val_if_fail(path != NULL, NULL);
3928
3929 *ok = MAILIMAP_NO_ERROR;
3930
3931 real_path = imap_utf8_to_modified_utf7(path, FALSE);
3932 separator = imap_get_path_separator(session, folder, path, ok);
3933 if (*ok == MAILIMAP_NO_ERROR)
3934 imap_path_separator_subst(real_path, separator);
3935
3936 return real_path;
3937 }
3938
3939 static gint imap_set_message_flags(IMAPSession *session,
3940 IMAPFolderItem *item,
3941 MsgNumberList *numlist,
3942 IMAPFlags flags,
3943 GSList *tags,
3944 gboolean is_set)
3945 {
3946 gint ok = 0;
3947 GSList *seq_list;
3948 GSList * cur;
3949 gint total = 0;
3950 IMAPFolder *folder = NULL;
3951 GSList *sorted_list = NULL;
3952
3953 if (numlist == NULL || session == NULL)
3954 return MAILIMAP_ERROR_BAD_STATE;
3955
3956 folder = IMAP_FOLDER(session->folder);
3957
3958 sorted_list = g_slist_copy(numlist);
3959 sorted_list = g_slist_sort(sorted_list, g_int_compare);
3960
3961 cur = g_slist_last(sorted_list);
3962
3963 if (cur)
3964 total = GPOINTER_TO_INT(cur->data);
3965
3966 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(session->folder), sorted_list);
3967
3968 statusbar_print_all(_("Flagging messages..."));
3969
3970 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
3971 struct mailimap_set * imapset = (struct mailimap_set *)cur->data;
3972 struct mailimap_set_item *set_item = NULL;
3973
3974 if (imapset->set_list)
3975 set_item = clist_content(clist_begin(imapset->set_list));
3976 else
3977 continue;
3978
3979 if (set_item == NULL)
3980 continue;
3981
3982 statusbar_progress_all(set_item->set_first, total, 1);
3983
3984 ok = imap_cmd_store(session, item, imapset,
3985 flags, tags, is_set);
3986 statusbar_progress_all(set_item->set_last, total, 1);
3987 if (ok != MAILIMAP_NO_ERROR && folder->max_set_size > 20) {
3988 /* reduce max set size */
3989 folder->max_set_size /= 2;
3990 }
3991 if (ok != MAILIMAP_NO_ERROR && is_fatal(ok)) {
3992 break;
3993 }
3994 }
3995
3996 g_slist_free(sorted_list);
3997
3998 statusbar_progress_all(0,0,0);
3999 statusbar_pop_all();
4000
4001 imap_lep_set_free(seq_list);
4002
4003 return ok;
4004 }
4005
4006 typedef struct _select_data {
4007 IMAPSession *session;
4008 gchar *real_path;
4009 gint *exists;
4010 gint *recent;
4011 gint *unseen;
4012 guint32 *uid_validity;
4013 gboolean done;
4014 } select_data;
4015
4016 static gint imap_select(IMAPSession *session, IMAPFolder *folder,
4017 FolderItem *item,
4018 gint *exists, gint *recent, gint *unseen,
4019 guint32 *uid_validity, gint *can_create_flags,
4020 gboolean block)
4021 {
4022 gchar *real_path;
4023 gint ok = MAILIMAP_NO_ERROR;
4024 gint exists_, recent_, unseen_;
4025 guint32 uid_validity_;
4026 gint can_create_flags_;
4027 const gchar *path = item ? item->path:NULL;
4028
4029 if (!item) {
4030 return MAILIMAP_ERROR_BAD_STATE;
4031 }
4032
4033 if (!exists && !recent && !unseen && !uid_validity && !can_create_flags) {
4034 if (session->mbox && strcmp(session->mbox, path) == 0)
4035 return MAILIMAP_NO_ERROR;
4036 }
4037 if (!exists && !recent && !unseen && !uid_validity && can_create_flags) {
4038 if (session->mbox && strcmp(session->mbox, path) == 0) {
4039 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS_UNKNOWN)
4040 return MAILIMAP_NO_ERROR;
4041 }
4042 }
4043 if (!exists)
4044 exists = &exists_;
4045 if (!recent)
4046 recent = &recent_;
4047 if (!unseen)
4048 unseen = &unseen_;
4049 if (!uid_validity)
4050 uid_validity = &uid_validity_;
4051 if (!can_create_flags)
4052 can_create_flags = &can_create_flags_;
4053
4054 g_free(session->mbox);
4055 session->mbox = NULL;
4056 session->exists = 0;
4057 session->recent = 0;
4058 session->expunge = 0;
4059
4060 real_path = imap_get_real_path(session, folder, path, &ok);
4061 if (is_fatal(ok)) {
4062 g_free(real_path);
4063 return ok;
4064 }
4065 g_slist_free(IMAP_FOLDER_ITEM(item)->ok_flags);
4066 IMAP_FOLDER_ITEM(item)->ok_flags = NULL;
4067 ok = imap_cmd_select(session, real_path,
4068 exists, recent, unseen, uid_validity, can_create_flags,
4069 &(IMAP_FOLDER_ITEM(item)->ok_flags), block);
4070 if (ok != MAILIMAP_NO_ERROR) {
4071 log_warning(LOG_PROTOCOL, _("can't select folder: %s\n"), real_path);
4072 } else {
4073 session->mbox = g_strdup(path);
4074 session->folder_content_changed = FALSE;
4075 session->exists = *exists;
4076 session->recent = *recent;
4077 session->expunge = 0;
4078 session->unseen = *unseen;
4079 session->uid_validity = *uid_validity;
4080 debug_print("select: exists %d recent %d expunge %d uid_validity %d can_create_flags %d\n",
4081 session->exists, session->recent, session->expunge,
4082 session->uid_validity, *can_create_flags);
4083 }
4084 if (*can_create_flags) {
4085 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CAN_CREATE_FLAGS;
4086 } else {
4087 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CANNOT_CREATE_FLAGS;
4088 }
4089 g_free(real_path);
4090
4091 return ok;
4092 }
4093
4094 static gint imap_status(IMAPSession *session, IMAPFolder *folder,
4095 const gchar *path, IMAPFolderItem *item,
4096 gint *messages,
4097 guint32 *uid_next, guint32 *uid_validity,
4098 gint *unseen, gboolean block)
4099 {
4100 int r = MAILIMAP_NO_ERROR;
4101 clistiter * iter;
4102 struct mailimap_mailbox_data_status * data_status;
4103 int got_values;
4104 gchar *real_path;
4105 guint mask = 0;
4106
4107 real_path = imap_get_real_path(session, folder, path, &r);
4108 if (is_fatal(r)) {
4109 g_free(real_path);
4110 return r;
4111 }
4112 if (messages) {
4113 mask |= 1 << 0;
4114 *messages = 0;
4115 }
4116 if (uid_next) {
4117 mask |= 1 << 2;
4118 *uid_next = 0;
4119 }
4120 if (uid_validity) {
4121 mask |= 1 << 3;
4122 *uid_validity = 0;
4123 }
4124 if (unseen) {
4125 mask |= 1 << 4;
4126 *unseen = 0;
4127 }
4128
4129 if (session->mbox != NULL &&
4130 !strcmp(session->mbox, item->item.path)) {
4131 r = imap_cmd_close(session);
4132 if (r != MAILIMAP_NO_ERROR) {
4133 debug_print("close err %d\n", r);
4134 g_free(real_path);
4135 return r;
4136 }
4137 }
4138
4139 r = imap_threaded_status(FOLDER(folder), real_path,
4140 &data_status, mask);
4141
4142 g_free(real_path);
4143 if (r != MAILIMAP_NO_ERROR) {
4144 imap_handle_error(SESSION(session), NULL, r);
4145 debug_print("status err %d\n", r);
4146 return r;
4147 }
4148
4149 if (data_status == NULL || data_status->st_info_list == NULL) {
4150 debug_print("data_status %p\n", data_status);
4151 if (data_status) {
4152 debug_print("data_status->st_info_list %p\n", data_status->st_info_list);
4153 mailimap_mailbox_data_status_free(data_status);
4154 }
4155 return MAILIMAP_ERROR_BAD_STATE;
4156 }
4157
4158 got_values = 0;
4159 if (data_status->st_info_list) {
4160 for(iter = clist_begin(data_status->st_info_list) ; iter != NULL ;
4161 iter = clist_next(iter)) {
4162 struct mailimap_status_info * info;
4163
4164 info = clist_content(iter);
4165 switch (info->st_att) {
4166 case MAILIMAP_STATUS_ATT_MESSAGES:
4167 if (messages) {
4168 * messages = info->st_value;
4169 got_values |= 1 << 0;
4170 }
4171 break;
4172
4173 case MAILIMAP_STATUS_ATT_UIDNEXT:
4174 if (uid_next) {
4175 * uid_next = info->st_value;
4176 got_values |= 1 << 2;
4177 }
4178 break;
4179
4180 case MAILIMAP_STATUS_ATT_UIDVALIDITY:
4181 if (uid_validity) {
4182 * uid_validity = info->st_value;
4183 got_values |= 1 << 3;
4184 }
4185 break;
4186
4187 case MAILIMAP_STATUS_ATT_UNSEEN:
4188 if (unseen) {
4189 * unseen = info->st_value;
4190 got_values |= 1 << 4;
4191 }
4192 break;
4193 }
4194 }
4195 }
4196 mailimap_mailbox_data_status_free(data_status);
4197
4198 if (got_values != mask) {
4199 g_warning("status: incomplete values received (%d)", got_values);
4200 }
4201 return MAILIMAP_NO_ERROR;
4202 }
4203
4204 static void imap_free_capabilities(IMAPSession *session)
4205 {
4206 slist_free_strings_full(session->capability);
4207 session->capability = NULL;
4208 }
4209
4210 /* low-level IMAP4rev1 commands */
4211
4212 static gint imap_cmd_login(IMAPSession *session,
4213 const gchar *user, const gchar *pass,
4214 const gchar *type)
4215 {
4216 int r;
4217 gint ok;
4218
4219 if (!strcmp(type, "plaintext") && imap_has_capability(session, "LOGINDISABLED")) {
4220 ok = MAILIMAP_ERROR_BAD_STATE;
4221 if (imap_has_capability(session, "STARTTLS")) {
4222 #ifdef USE_GNUTLS
4223 log_warning(LOG_PROTOCOL, _("Server requires STARTTLS to log in.\n"));
4224 ok = imap_cmd_starttls(session);
4225 if (ok != MAILIMAP_NO_ERROR) {
4226 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
4227 return ok;
4228 } else {
4229 /* refresh capas */
4230 imap_free_capabilities(session);
4231 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
4232 imap_handle_error(SESSION(session), NULL, r);
4233 log_warning(LOG_PROTOCOL, _("Can't refresh capabilities.\n"));
4234 return r;
4235 }
4236 }
4237 #else
4238 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
4239 "server requires STARTTLS, but Claws Mail "
4240 "has been compiled without STARTTLS "
4241 "support.\n"),
4242 SESSION(session)->server);
4243 return MAILIMAP_ERROR_LOGIN;
4244 #endif
4245 } else {
4246 log_error(LOG_PROTOCOL, _("Server logins are disabled.\n"));
4247 return MAILIMAP_ERROR_LOGIN;
4248 }
4249 }
4250
4251 log_print(LOG_PROTOCOL, "IMAP> Logging %s to %s using %s\n",
4252 user,
4253 SESSION(session)->server,
4254 type);
4255 r = imap_threaded_login(session->folder, user, pass, type);
4256 if (r != MAILIMAP_NO_ERROR) {
4257 imap_handle_error(SESSION(session), NULL, r);
4258 log_print(LOG_PROTOCOL, "IMAP< Error logging in to %s\n",
4259 SESSION(session)->server);
4260 ok = r;
4261 } else {
4262 log_print(LOG_PROTOCOL, "IMAP< Login to %s successful\n",
4263 SESSION(session)->server);
4264 ok = MAILIMAP_NO_ERROR;
4265 }
4266 return ok;
4267 }
4268
4269 static gint imap_cmd_noop(IMAPSession *session)
4270 {
4271 int r;
4272 unsigned int exists, recent, expunge, unseen, uidnext, uidval;
4273
4274 r = imap_threaded_noop(session->folder, &exists, &recent, &expunge, &unseen, &uidnext, &uidval);
4275 if (r != MAILIMAP_NO_ERROR) {
4276 imap_handle_error(SESSION(session), NULL, r);
4277 debug_print("noop err %d\n", r);
4278 return r;
4279 }
4280
4281 if ((exists && exists != session->exists)
4282 || (recent && recent != session->recent)
4283 || (expunge && expunge != session->expunge)
4284 || (unseen && unseen != session->unseen)) {
4285 session->folder_content_changed = TRUE;
4286 }
4287 if (uidnext != 0 && uidnext != session->uid_next) {
4288 session->uid_next = uidnext;
4289 session->folder_content_changed = TRUE;
4290 }
4291 if (uidval != 0 && uidval != session->uid_validity) {
4292 session->uid_validity = uidval;
4293 session->folder_content_changed = TRUE;
4294 }
4295
4296 session->exists = exists;
4297 session->recent = recent;
4298 session->expunge = expunge;
4299 session->unseen = unseen;
4300
4301 session_set_access_time(SESSION(session));
4302
4303 return MAILIMAP_NO_ERROR;
4304 }
4305
4306 #ifdef USE_GNUTLS
4307 static gint imap_cmd_starttls(IMAPSession *session)
4308 {
4309 int r;
4310
4311 r = imap_threaded_starttls(session->folder,
4312 SESSION(session)->server, SESSION(session)->port);
4313 if (r != MAILIMAP_NO_ERROR) {
4314 imap_handle_error(SESSION(session), NULL, r);
4315 debug_print("STARTTLS err %d\n", r);
4316 return r;
4317 }
4318 return MAILIMAP_NO_ERROR;
4319 }
4320 #endif
4321
4322 static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
4323 gint *exists, gint *recent, gint *unseen,
4324 guint32 *uid_validity, gint *can_create_flags,
4325 GSList **ok_flags, gboolean block)
4326 {
4327 int r;
4328
4329 r = imap_threaded_select(session->folder, folder,
4330 exists, recent, unseen, uid_validity, can_create_flags, ok_flags);
4331 if (r != MAILIMAP_NO_ERROR) {
4332 imap_handle_error(SESSION(session), NULL, r);
4333 debug_print("select err %d\n", r);
4334 return r;
4335 }
4336 return MAILIMAP_NO_ERROR;
4337 }
4338
4339 static gint imap_cmd_close(IMAPSession *session)
4340 {
4341 int r;
4342
4343 r = imap_threaded_close(session->folder);
4344 if (r != MAILIMAP_NO_ERROR) {
4345 imap_handle_error(SESSION(session), NULL, r);
4346 debug_print("close err %d\n", r);
4347 return r;
4348 }
4349 g_free(session->mbox);
4350 session->mbox = NULL;
4351 session->exists = 0;
4352 session->recent = 0;
4353 session->expunge = 0;
4354 return MAILIMAP_NO_ERROR;
4355 }
4356
4357 static gint imap_cmd_examine(IMAPSession *session, const gchar *folder,
4358 gint *exists, gint *recent, gint *unseen,
4359 guint32 *uid_validity, gboolean block)
4360 {
4361 int r;
4362
4363 r = imap_threaded_examine(session->folder, folder,
4364 exists, recent, unseen, uid_validity);
4365 if (r != MAILIMAP_NO_ERROR) {
4366 imap_handle_error(SESSION(session), NULL, r);
4367 debug_print("examine err %d\n", r);
4368
4369 return r;
4370 }
4371 return MAILIMAP_NO_ERROR;
4372 }
4373
4374 static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
4375 {
4376 int r;
4377
4378 r = imap_threaded_create(session->folder, folder);
4379 if (r != MAILIMAP_NO_ERROR) {
4380 imap_handle_error(SESSION(session), NULL, r);
4381 return r;
4382 }
4383
4384 return MAILIMAP_NO_ERROR;
4385 }
4386
4387 static gint imap_cmd_rename(IMAPSession *session, const gchar *old_folder,
4388 const gchar *new_folder)
4389 {
4390 int r;
4391
4392 r = imap_threaded_rename(session->folder, old_folder,
4393 new_folder);
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_delete(IMAPSession *session, const gchar *folder)
4403 {
4404 int r;
4405
4406
4407 r = imap_threaded_delete(session->folder, folder);
4408 if (r != MAILIMAP_NO_ERROR) {
4409 imap_handle_error(SESSION(session), NULL, r);
4410 return r;
4411 }
4412
4413 return MAILIMAP_NO_ERROR;
4414 }
4415
4416 typedef struct _fetch_data {
4417 IMAPSession *session;
4418 guint32 uid;
4419 const gchar *filename;
4420 gboolean headers;
4421 gboolean body;
4422 gboolean done;
4423 } fetch_data;
4424
4425 static void *imap_cmd_fetch_thread(void *data)
4426 {
4427 fetch_data *stuff = (fetch_data *)data;
4428 IMAPSession *session = stuff->session;
4429 guint32 uid = stuff->uid;
4430 const gchar *filename = stuff->filename;
4431 int r;
4432
4433 if (stuff->body) {
4434 r = imap_threaded_fetch_content(session->folder,
4435 uid, 1, filename);
4436 }
4437 else {
4438 r = imap_threaded_fetch_content(session->folder,
4439 uid, 0, filename);
4440 }
4441 if (r != MAILIMAP_NO_ERROR) {
4442 imap_handle_error(SESSION(session), NULL, r);
4443 debug_print("fetch err %d\n", r);
4444 return GINT_TO_POINTER(r);
4445 }
4446 return GINT_TO_POINTER(MAILIMAP_NO_ERROR);
4447 }
4448
4449 static gint imap_cmd_fetch(IMAPSession *session, guint32 uid,
4450 const gchar *filename, gboolean headers,
4451 gboolean body)
4452 {
4453 fetch_data *data = g_new0(fetch_data, 1);
4454 int result = 0;
4455 data->done = FALSE;
4456 data->session = session;
4457 data->uid = uid;
4458 data->filename = filename;
4459 data->headers = headers;
4460 data->body = body;
4461
4462 if (prefs_common.work_offline &&
4463 !inc_offline_should_override(FALSE,
4464 _("Claws Mail needs network access in order "
4465 "to access the IMAP server."))) {
4466 g_free(data);
4467 return -1;
4468 }
4469 statusbar_print_all(_("Fetching message..."));
4470 result = GPOINTER_TO_INT(imap_cmd_fetch_thread(data));
4471 statusbar_pop_all();
4472 g_free(data);
4473 return result;
4474 }
4475
4476
4477 static gint imap_cmd_append(IMAPSession *session,
4478 IMAPFolderItem *item,
4479 const gchar *destfolder,
4480 const gchar *file, IMAPFlags flags,
4481 guint32 *new_uid)
4482 {
4483 struct mailimap_flag_list * flag_list;
4484 int r;
4485
4486 cm_return_val_if_fail(file != NULL, MAILIMAP_ERROR_BAD_STATE);
4487
4488 flag_list = imap_flag_to_lep(item, flags, NULL);
4489 lock_session(session);
4490 r = imap_threaded_append(session->folder, destfolder,
4491 file, flag_list, (int *)new_uid);
4492 mailimap_flag_list_free(flag_list);
4493
4494 if (r != MAILIMAP_NO_ERROR) {
4495 imap_handle_error(SESSION(session), NULL, r);
4496 debug_print("append err %d\n", r);
4497 return r;
4498 }
4499
4500 unlock_session(session);
4501
4502 return MAILIMAP_NO_ERROR;
4503 }
4504
4505 static gint imap_cmd_copy(IMAPSession *session, struct mailimap_set * set,
4506 const gchar *destfolder,
4507 struct mailimap_set **source, struct mailimap_set **dest)
4508 {
4509 int r;
4510
4511 g_return_val_if_fail(session != NULL, MAILIMAP_ERROR_BAD_STATE);
4512 g_return_val_if_fail(set != NULL, MAILIMAP_ERROR_BAD_STATE);
4513 g_return_val_if_fail(destfolder != NULL, MAILIMAP_ERROR_BAD_STATE);
4514
4515 r = imap_threaded_copy(session->folder, set, destfolder, source, dest);
4516 if (r != MAILIMAP_NO_ERROR) {
4517 imap_handle_error(SESSION(session), NULL, r);
4518 return r;
4519 }
4520
4521 return MAILIMAP_NO_ERROR;
4522 }
4523
4524 static gint imap_cmd_store(IMAPSession *session,
4525 IMAPFolderItem *item,
4526 struct mailimap_set * set,
4527 IMAPFlags flags, GSList *tags, int do_add)
4528 {
4529 int r;
4530 struct mailimap_flag_list * flag_list = NULL;
4531 struct mailimap_store_att_flags * store_att_flags;
4532
4533 flag_list = imap_flag_to_lep(item, flags, tags);
4534
4535 if (do_add)
4536 store_att_flags =
4537 mailimap_store_att_flags_new_add_flags_silent(flag_list);
4538 else
4539 store_att_flags =
4540 mailimap_store_att_flags_new_remove_flags_silent(flag_list);
4541
4542 r = imap_threaded_store(session->folder, set, store_att_flags);
4543 mailimap_store_att_flags_free(store_att_flags);
4544 if (r != MAILIMAP_NO_ERROR) {
4545 imap_handle_error(SESSION(session), NULL, r);
4546 return r;
4547 }
4548
4549 return MAILIMAP_NO_ERROR;
4550 }
4551
4552 static gint imap_cmd_expunge(IMAPSession *session)
4553 {
4554 int r;
4555
4556 if (prefs_common.work_offline &&
4557 !inc_offline_should_override(FALSE,
4558 _("Claws Mail needs network access in order "
4559 "to access the IMAP server."))) {
4560 return -1;
4561 }
4562
4563 statusbar_print_all(_("Expunging deleted messages..."));
4564 r = imap_threaded_expunge(session->folder);
4565 statusbar_pop_all();
4566 if (r != MAILIMAP_NO_ERROR) {
4567 imap_handle_error(SESSION(session), NULL, r);
4568 return r;
4569 }
4570
4571 return MAILIMAP_NO_ERROR;
4572 }
4573
4574 gint imap_expunge(Folder *folder, FolderItem *item)
4575 {
4576 IMAPSession *session = imap_session_get(folder);
4577 if (session == NULL)
4578 return -1;
4579
4580 return imap_cmd_expunge(session);
4581 }
4582
4583 static void imap_path_separator_subst(gchar *str, gchar separator)
4584 {
4585 gchar *p;
4586 gboolean in_escape = FALSE;
4587
4588 if (!separator || separator == '/') return;
4589
4590 for (p = str; *p != '\0'; p++) {
4591 if (*p == '/' && !in_escape)
4592 *p = separator;
4593 else if (*p == '&' && *(p + 1) != '-' && !in_escape)
4594 in_escape = TRUE;
4595 else if (*p == '-' && in_escape)
4596 in_escape = FALSE;
4597 }
4598 }
4599
4600 static gboolean imap_rename_folder_func(GNode *node, gpointer data)
4601 {
4602 FolderItem *item = node->data;
4603 gchar **paths = data;
4604 const gchar *oldpath = paths[0];
4605 const gchar *newpath = paths[1];
4606 gchar *real_oldpath, *real_newpath;
4607 gchar *base;
4608 gchar *new_itempath;
4609 gint oldpathlen;
4610 IMAPSession *session = imap_session_get(item->folder);
4611 gint ok = MAILIMAP_NO_ERROR;
4612 oldpathlen = strlen(oldpath);
4613 if (strncmp(oldpath, item->path, oldpathlen) != 0) {
4614 g_warning("path doesn't match: %s, %s", oldpath, item->path);
4615 return TRUE;
4616 }
4617
4618 base = item->path + oldpathlen;
4619 while (*base == '/') base++;
4620 if (*base == '\0')
4621 new_itempath = g_strdup(newpath);
4622 else
4623 new_itempath = g_strconcat(newpath, "/", base,
4624 NULL);
4625
4626 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4627 g_free(item->path);
4628 item->path = new_itempath;
4629
4630 real_newpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4631
4632 imap_threaded_subscribe(item->folder, real_oldpath, FALSE);
4633 imap_threaded_subscribe(item->folder, real_newpath, TRUE);
4634
4635 g_free(real_oldpath);
4636 g_free(real_newpath);
4637 return FALSE;
4638 }
4639
4640 static gint get_list_of_uids(IMAPSession *session, Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
4641 {
4642 GSList *uidlist, *elem;
4643 int r = -1;
4644 clist * lep_uidlist;
4645 gint ok, nummsgs = 0;
4646
4647 if (session == NULL) {
4648 return -1;
4649 }
4650
4651 ok = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(item),
4652 NULL, NULL, NULL, NULL, NULL, TRUE);
4653 if (ok != MAILIMAP_NO_ERROR) {
4654 return -1;
4655 }
4656
4657 g_slist_free(item->uid_list);
4658 item->uid_list = NULL;
4659
4660 uidlist = NULL;
4661
4662 if (folder->account && folder->account->low_bandwidth) {
4663 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SIMPLE,
4664 NULL, NULL, NULL, &lep_uidlist);
4665 }
4666
4667 if (r == MAILIMAP_NO_ERROR) {
4668 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
4669 mailimap_search_result_free(lep_uidlist);
4670 } else {
4671 carray * lep_uidtab;
4672 if (r != -1) { /* inited */
4673 imap_handle_error(SESSION(session), NULL, r);
4674 if (is_fatal(r))
4675 return -1;
4676 }
4677 r = imap_threaded_fetch_uid(folder, 1,
4678 &lep_uidtab);
4679 if (r == MAILIMAP_NO_ERROR) {
4680 uidlist = imap_uid_list_from_lep_tab(lep_uidtab);
4681 imap_fetch_uid_list_free(lep_uidtab);
4682 }
4683 }
4684
4685 if (r != MAILIMAP_NO_ERROR) {
4686 imap_handle_error(SESSION(session), NULL, r);
4687 return -1;
4688 }
4689
4690 for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
4691 guint msgnum;
4692
4693 msgnum = GPOINTER_TO_INT(elem->data);
4694
4695 *msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(msgnum));
4696 item->uid_list = g_slist_prepend(item->uid_list, GINT_TO_POINTER(msgnum));
4697 nummsgs++;
4698 }
4699 g_slist_free(uidlist);
4700
4701 return nummsgs;
4702
4703 }
4704
4705 gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list, gboolean *old_uids_valid)
4706 {
4707 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4708 IMAPSession *session;
4709 gint nummsgs;
4710 GSList *uidlist = NULL;
4711 gchar *dir;
4712 gint known_list_len = 0;
4713 gchar *path;
4714
4715 debug_print("get_num_list\n");
4716
4717 g_return_val_if_fail(folder != NULL, -1);
4718 g_return_val_if_fail(item != NULL, -1);
4719 g_return_val_if_fail(item->item.path != NULL, -1);
4720 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
4721 g_return_val_if_fail(folder->account != NULL, -1);
4722
4723 known_list_len = g_slist_length(item->uid_list);
4724 if (!item->should_update) {
4725 debug_print("get_num_list: nothing to update\n");
4726 *old_uids_valid = TRUE;
4727 if (known_list_len == item->item.total_msgs
4728 && known_list_len > 0) {
4729 *msgnum_list = g_slist_copy(item->uid_list);
4730 return known_list_len;
4731 } else {
4732 debug_print("don't know the list length...\n");
4733 }
4734 }
4735
4736 if (prefs_common.work_offline &&
4737 !inc_offline_should_override(FALSE,
4738 _("Claws Mail needs network access in order "
4739 "to access the IMAP server."))) {
4740 return -1;
4741 }
4742
4743 path = folder_item_get_path(_item);
4744 if (!is_dir_exist(path)) {
4745 if(is_file_exist(path))
4746 claws_unlink(path);
4747 make_dir_hier(path);
4748 }
4749 g_free(path);
4750
4751 debug_print("getting session...\n");
4752 session = imap_session_get(folder);
4753 g_return_val_if_fail(session != NULL, -1);
4754
4755 lock_session(session);
4756 if (FOLDER_ITEM(item)->path)
4757 statusbar_print_all(_("Scanning folder %s/%s..."),
4758 FOLDER_ITEM(item)->folder->name,
4759 FOLDER_ITEM(item)->path);
4760 else
4761 statusbar_print_all(_("Scanning folder %s..."),
4762 FOLDER_ITEM(item)->folder->name);
4763
4764 if (item->should_trash_cache) {
4765 *old_uids_valid = FALSE;
4766 debug_print("get_num_list: trashing num list\n");
4767 debug_print("Freeing imap uid cache\n");
4768 item->lastuid = 0;
4769 g_slist_free(item->uid_list);
4770 item->uid_list = NULL;
4771
4772 imap_delete_all_cached_messages((FolderItem *)item);
4773 } else {
4774 debug_print("get_num_list: updating num list\n");
4775 *old_uids_valid = TRUE;
4776 }
4777
4778 nummsgs = get_list_of_uids(session, folder, item, &uidlist);
4779
4780 unlock_session(session);
4781
4782 /* session could be broken now, in case of fatal error */
4783
4784 debug_print("get_num_list: got %d msgs\n", nummsgs);
4785
4786 if (nummsgs < 0) {
4787 statusbar_pop_all();
4788 return -1;
4789 }
4790
4791 *msgnum_list = uidlist;
4792
4793 dir = folder_item_get_path((FolderItem *)item);
4794 debug_print("removing old messages from %s\n", dir);
4795 remove_numbered_files_not_in_list(dir, *msgnum_list);
4796 g_free(dir);
4797
4798 debug_print("get_num_list - ok - %i\n", nummsgs);
4799 statusbar_pop_all();
4800 item->should_trash_cache = FALSE;
4801 item->should_update = FALSE;
4802 return nummsgs;
4803 }
4804
4805 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item)
4806 {
4807 MsgInfo *msginfo;
4808 MsgFlags flags;
4809
4810 flags.perm_flags = MSG_NEW|MSG_UNREAD;
4811 flags.tmp_flags = 0;
4812
4813 g_return_val_if_fail(item != NULL, NULL);
4814 g_return_val_if_fail(file != NULL, NULL);
4815
4816 if (folder_has_parent_of_type(item, F_QUEUE)) {
4817 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
4818 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
4819 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
4820 }
4821
4822 msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
4823 if (!msginfo) return NULL;
4824
4825 msginfo->plaintext_file = g_strdup(file);
4826 msginfo->folder = item;
4827
4828 return msginfo;
4829 }
4830
4831 GSList *imap_get_msginfos(Folder *folder, FolderItem *item,
4832 GSList *msgnum_list)
4833 {
4834 IMAPSession *session;
4835 MsgInfoList *ret = NULL;
4836 gint ok;
4837
4838 debug_print("get_msginfos\n");
4839
4840 g_return_val_if_fail(folder != NULL, NULL);
4841 g_return_val_if_fail(item != NULL, NULL);
4842 g_return_val_if_fail(msgnum_list != NULL, NULL);
4843
4844 debug_print("getting session...\n");
4845 session = imap_session_get(folder);
4846 g_return_val_if_fail(session != NULL, NULL);
4847
4848 lock_session(session); /* unlocked later in the function */
4849
4850 debug_print("IMAP getting msginfos\n");
4851 ok = imap_select(session, IMAP_FOLDER(folder), item,
4852 NULL, NULL, NULL, NULL, NULL, FALSE);
4853 if (ok != MAILIMAP_NO_ERROR) {
4854 return NULL;
4855 }
4856 if (!(folder_has_parent_of_type(item, F_DRAFT) ||
4857 folder_has_parent_of_type(item, F_QUEUE))) {
4858 ret = g_slist_concat(ret,
4859 imap_get_uncached_messages(session, item,
4860 msgnum_list, &ok));
4861 if (ok != MAILIMAP_NO_ERROR)
4862 return NULL;
4863 unlock_session(session);
4864 } else {
4865 MsgNumberList *sorted_list, *elem, *llast = NULL;
4866 gint startnum, lastnum;
4867
4868 unlock_session(session);
4869
4870 sorted_list = g_slist_sort(g_slist_copy(msgnum_list), g_int_compare);
4871
4872 startnum = lastnum = GPOINTER_TO_INT(sorted_list->data);
4873
4874 llast = g_slist_last(ret);
4875 for (elem = sorted_list;; elem = g_slist_next(elem)) {
4876 guint num = 0;
4877
4878 if (elem)
4879 num = GPOINTER_TO_INT(elem->data);
4880
4881 if (num > lastnum + 1 || elem == NULL) {
4882 int i;
4883 for (i = startnum; i <= lastnum; ++i) {
4884 gchar *file;
4885 file = imap_fetch_msg(folder, item, i);
4886 if (file != NULL) {
4887 MsgInfo *msginfo = imap_parse_msg(file, item);
4888 if (msginfo != NULL) {
4889 msginfo->msgnum = i;
4890 if (llast == NULL)
4891 llast = ret = g_slist_append(ret, msginfo);
4892 else {
4893 llast = g_slist_append(llast, msginfo);
4894 llast = llast->next;
4895 }
4896 }
4897 g_free(file);
4898 }
4899 }
4900
4901 if (elem == NULL)
4902 break;
4903
4904 startnum = num;
4905 }
4906 lastnum = num;
4907 }
4908
4909 g_slist_free(sorted_list);
4910 }
4911 return ret;
4912 }
4913
4914 MsgInfo *imap_get_msginfo(Folder *folder, FolderItem *item, gint uid)
4915 {
4916 MsgInfo *msginfo = NULL;
4917 MsgInfoList *msginfolist;
4918 MsgNumberList numlist;
4919
4920 numlist.next = NULL;
4921 numlist.data = GINT_TO_POINTER(uid);
4922
4923 msginfolist = imap_get_msginfos(folder, item, &numlist);
4924 if (msginfolist != NULL) {
4925 msginfo = msginfolist->data;
4926 g_slist_free(msginfolist);
4927 }
4928
4929 return msginfo;
4930 }
4931
4932 gboolean imap_scan_required(Folder *folder, FolderItem *_item)
4933 {
4934 IMAPSession *session;
4935 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4936 gint ok, exists = 0, unseen = 0;
4937 guint32 uid_next = 0, uid_val = 0;
4938 gboolean selected_folder;
4939
4940 g_return_val_if_fail(folder != NULL, FALSE);
4941 g_return_val_if_fail(item != NULL, FALSE);
4942 g_return_val_if_fail(item->item.folder != NULL, FALSE);
4943 g_return_val_if_fail(FOLDER_CLASS(item->item.folder) == &imap_class, FALSE);
4944
4945 if (item->item.path == NULL)
4946 return FALSE;
4947
4948 if (item->should_update) {
4949 debug_print("scan already required\n");
4950 return TRUE;
4951 }
4952 debug_print("getting session...\n");
4953 session = imap_session_get(folder);
4954
4955 g_return_val_if_fail(session != NULL, FALSE);
4956 lock_session(session); /* unlocked later in the function */
4957
4958 selected_folder = (session->mbox != NULL) &&
4959 (!strcmp(session->mbox, item->item.path));
4960 if (selected_folder) {
4961 if (!session->folder_content_changed) {
4962 ok = imap_cmd_noop(session);
4963 if (ok != MAILIMAP_NO_ERROR) {
4964 debug_print("disconnected!\n");
4965 if (!is_fatal(ok))
4966 session = imap_reconnect_if_possible(folder, session);
4967 else
4968 session = imap_session_get(folder);
4969 if (session == NULL)
4970 return FALSE;
4971 }
4972
4973 if (session->folder_content_changed) {
4974 debug_print("CHANGED (self-noop)! scan_required\n");
4975 item->should_update = TRUE;
4976 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4977 item->item.mtime = session->uid_validity;
4978 item->should_trash_cache = TRUE;
4979 }
4980 unlock_session(session);
4981 return TRUE;
4982 }
4983 } else {
4984 debug_print("CHANGED (previous noop)! scan_required\n");
4985 item->should_update = TRUE;
4986 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4987 item->item.mtime = session->uid_validity;
4988 item->should_trash_cache = TRUE;
4989 }
4990 unlock_session(session);
4991 return TRUE;
4992 }
4993 } else {
4994 ok = imap_status(session, IMAP_FOLDER(folder), item->item.path, IMAP_FOLDER_ITEM(item),
4995 &exists, &uid_next, &uid_val, &unseen, FALSE);
4996 if (ok != MAILIMAP_NO_ERROR) {
4997 return FALSE;
4998 }
4999
5000 debug_print("exists %d, item->item.total_msgs %d\n"
5001 "\tunseen %d, item->item.unread_msgs %d\n"
5002 "\tuid_next %d, item->uid_next %d\n"
5003 "\tuid_val %d, item->item.mtime %ld\n",
5004 exists, item->item.total_msgs, unseen, item->item.unread_msgs,
5005 uid_next, item->uid_next, uid_val, (long)(item->item.mtime));
5006 if (exists != item->item.total_msgs
5007 || unseen != item->item.unread_msgs
5008 || uid_next != item->uid_next
5009 || uid_val != item->item.mtime) {
5010 debug_print("CHANGED (status)! scan_required\n");
5011 item->last_change = time(NULL);
5012 item->should_update = TRUE;
5013 item->uid_next = uid_next;
5014 if (uid_val != item->item.mtime) {
5015 item->item.mtime = uid_val;
5016 item->should_trash_cache = TRUE;
5017 }
5018 unlock_session(session);
5019 return TRUE;
5020 }
5021 }
5022 unlock_session(session);
5023
5024 item->should_update = FALSE;
5025 return FALSE;
5026 }
5027
5028 void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
5029 {
5030 IMAPSession *session;
5031 IMAPFlags flags_set = 0, flags_unset = 0;
5032 gint ok = MAILIMAP_NO_ERROR;
5033 MsgNumberList numlist;
5034 hashtable_data *ht_data = NULL;
5035
5036 g_return_if_fail(folder != NULL);
5037 g_return_if_fail(folder->klass == &imap_class);
5038 g_return_if_fail(item != NULL);
5039 g_return_if_fail(item->folder == folder);
5040 g_return_if_fail(msginfo != NULL);
5041 g_return_if_fail(msginfo->folder == item);
5042
5043 if (!MSG_IS_MARKED(msginfo->flags) && (newflags & MSG_MARKED))
5044 flags_set |= IMAP_FLAG_FLAGGED;
5045 if ( MSG_IS_MARKED(msginfo->flags) && !(newflags & MSG_MARKED))
5046 flags_unset |= IMAP_FLAG_FLAGGED;
5047
5048 if (!MSG_IS_UNREAD(msginfo->flags) && (newflags & MSG_UNREAD))
5049 flags_unset |= IMAP_FLAG_SEEN;
5050 if ( MSG_IS_UNREAD(msginfo->flags) && !(newflags & MSG_UNREAD))
5051 flags_set |= IMAP_FLAG_SEEN;
5052
5053 if (!MSG_IS_REPLIED(msginfo->flags) && (newflags & MSG_REPLIED))
5054 flags_set |= IMAP_FLAG_ANSWERED;
5055 if ( MSG_IS_REPLIED(msginfo->flags) && !(newflags & MSG_REPLIED))
5056 flags_unset |= IMAP_FLAG_ANSWERED;
5057
5058 if (!MSG_IS_FORWARDED(msginfo->flags) && (newflags & MSG_FORWARDED))
5059 flags_set |= IMAP_FLAG_FORWARDED;
5060 if ( MSG_IS_FORWARDED(msginfo->flags) && !(newflags & MSG_FORWARDED))
5061 flags_unset |= IMAP_FLAG_FORWARDED;
5062
5063 if (!MSG_IS_SPAM(msginfo->flags) && (newflags & MSG_SPAM)) {
5064 flags_set |= IMAP_FLAG_SPAM;
5065 flags_unset |= IMAP_FLAG_HAM;
5066 }
5067 if ( MSG_IS_SPAM(msginfo->flags) && !(newflags & MSG_SPAM)) {
5068 flags_set |= IMAP_FLAG_HAM;
5069 flags_unset |= IMAP_FLAG_SPAM;
5070 }
5071 if (!MSG_IS_DELETED(msginfo->flags) && (newflags & MSG_DELETED))
5072 flags_set |= IMAP_FLAG_DELETED;
5073 if ( MSG_IS_DELETED(msginfo->flags) && !(newflags & MSG_DELETED))
5074 flags_unset |= IMAP_FLAG_DELETED;
5075
5076 if (!flags_set && !flags_unset) {
5077 /* the changed flags were not translatable to IMAP-speak.
5078 * like MSG_POSTFILTERED, so just apply. */
5079 msginfo->flags.perm_flags = newflags;
5080 return;
5081 }
5082
5083 debug_print("getting session...\n");
5084 session = imap_session_get(folder);
5085 if (!session) {
5086 return;
5087 }
5088
5089 if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
5090 NULL, NULL, NULL, NULL, NULL, FALSE)) != MAILIMAP_NO_ERROR) {
5091 return;
5092 }
5093 numlist.next = NULL;
5094 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
5095
5096 if (IMAP_FOLDER_ITEM(item)->batching) {
5097 /* instead of performing an UID STORE command for each message change,
5098 * as a lot of them can change "together", we just fill in hashtables
5099 * and defer the treatment so that we're able to send only one
5100 * command.
5101 */
5102 debug_print("IMAP batch mode on, deferring flags change\n");
5103 if (flags_set) {
5104 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_set_table,
5105 GINT_TO_POINTER(flags_set));
5106 if (ht_data == NULL) {
5107 ht_data = g_new0(hashtable_data, 1);
5108 ht_data->item = IMAP_FOLDER_ITEM(item);
5109 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_set_table,
5110 GINT_TO_POINTER(flags_set), ht_data);
5111 }
5112 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
5113 }
5114 if (flags_unset) {
5115 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_unset_table,
5116 GINT_TO_POINTER(flags_unset));
5117 if (ht_data == NULL) {
5118 ht_data = g_new0(hashtable_data, 1);
5119 ht_data->item = IMAP_FOLDER_ITEM(item);
5120 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_unset_table,
5121 GINT_TO_POINTER(flags_unset), ht_data);
5122 }
5123 ht_data->msglist = g_slist_prepend(ht_data->msglist,
5124 GINT_TO_POINTER(msginfo->msgnum));
5125 }
5126 } else {
5127 debug_print("IMAP changing flags\n");
5128 if (flags_set) {
5129 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_set, NULL, TRUE);
5130 if (ok != MAILIMAP_NO_ERROR) {
5131 return;
5132 }
5133 }
5134
5135 if (flags_unset) {
5136 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_unset, NULL, FALSE);
5137 if (ok != MAILIMAP_NO_ERROR) {
5138 return;
5139 }
5140 }
5141 }
5142 msginfo->flags.perm_flags = newflags;
5143 return;
5144 }
5145
5146 static gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
5147 {
5148 gint ok;
5149 IMAPSession *session;
5150 gchar *dir;
5151 MsgNumberList numlist;
5152
5153 g_return_val_if_fail(folder != NULL, -1);
5154 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
5155 g_return_val_if_fail(item != NULL, -1);
5156
5157 debug_print("getting session...\n");
5158 session = imap_session_get(folder);
5159 if (!session) return -1;
5160
5161 ok = imap_select(session, IMAP_FOLDER(folder), item,
5162 NULL, NULL, NULL, NULL, NULL, FALSE);
5163 if (ok != MAILIMAP_NO_ERROR) {
5164 return ok;
5165 }
5166 numlist.next = NULL;
5167 numlist.data = GINT_TO_POINTER(uid);
5168
5169 ok = imap_set_message_flags
5170 (session, IMAP_FOLDER_ITEM(item), &numlist, IMAP_FLAG_DELETED, NULL, TRUE);
5171 if (ok != MAILIMAP_NO_ERROR) {
5172 log_warning(LOG_PROTOCOL, _("can't set deleted flags: %d\n"), uid);
5173 return ok;
5174 }
5175
5176 ok = imap_cmd_expunge(session);
5177
5178 if (ok != MAILIMAP_NO_ERROR) {
5179 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
5180 return ok;
5181 }
5182
5183 IMAP_FOLDER_ITEM(item)->uid_list = g_slist_remove(
5184 IMAP_FOLDER_ITEM(item)->uid_list, numlist.data);
5185 dir = folder_item_get_path(item);
5186 if (is_dir_exist(dir))
5187 remove_numbered_files(dir, uid, uid);
5188 g_free(dir);
5189 return MAILIMAP_NO_ERROR;
5190 }
5191
5192 static gint compare_msginfo(gconstpointer a, gconstpointer b)
5193 {
5194 return ((MsgInfo *)a)->msgnum - ((MsgInfo *)b)->msgnum;
5195 }
5196
5197 static guint gslist_find_next_num(MsgNumberList **list, guint num)
5198 {
5199 GSList *elem;
5200
5201 g_return_val_if_fail(list != NULL, -1);
5202
5203 for (elem = *list; elem != NULL; elem = g_slist_next(elem))
5204 if (GPOINTER_TO_INT(elem->data) >= num)
5205 break;
5206 *list = elem;
5207 return elem != NULL ? GPOINTER_TO_INT(elem->data) : (gint)-1;
5208 }
5209
5210 static gboolean flag_ok(IMAPFolderItem *item, guint flag)
5211 {
5212 if (item->ok_flags && g_slist_find(item->ok_flags, GUINT_TO_POINTER(flag))) {
5213 debug_print("flag %d is OK\n", flag);
5214 return TRUE;
5215 }
5216 if (item->can_create_flags == ITEM_CAN_CREATE_FLAGS) {
5217 debug_print("creating flags is OK\n");
5218 return TRUE;
5219 }
5220 return FALSE;
5221 }
5222
5223 /*
5224 * NEW and DELETED flags are not syncronized
5225 * - The NEW/RECENT flags in IMAP folders can not really be directly
5226 * modified by Claws Mail
5227 * - The DELETE/DELETED flag in IMAP and Claws Mail do not have the same
5228 * meaning, in IMAP it always removes the messages from the FolderItem
5229 * in Claws Mail it can mean to move the message to Trash
5230 */
5231
5232 typedef struct _get_flags_data {
5233 Folder *folder;
5234 FolderItem *item;
5235 MsgInfoList *msginfo_list;
5236 GHashTable *msgflags;
5237 gboolean full_search;
5238 gboolean done;
5239 } get_flags_data;
5240
5241 static /*gint*/ void *imap_get_flags_thread(void *data)
5242 {
5243 get_flags_data *stuff = (get_flags_data *)data;
5244 Folder *folder = stuff->folder;
5245 FolderItem *fitem = (FolderItem *) stuff->item;
5246 MsgInfoList *msginfo_list = stuff->msginfo_list;
5247 GHashTable *msgflags = stuff->msgflags;
5248 GSList *elem;
5249 carray * lep_uidtab;
5250 IMAPSession *session;
5251 gint ok;
5252 int r = MAILIMAP_NO_ERROR;
5253 GHashTable *flags_hash = NULL;
5254 GHashTable *tags_hash = NULL;
5255 gboolean full_search = stuff->full_search;
5256 GSList *sorted_list = NULL;
5257 GSList *unseen = NULL, *answered = NULL, *flagged = NULL, *deleted = NULL, *forwarded = NULL, *spam = NULL;
5258 GSList *seq_list, *cur;
5259 gboolean reverse_seen = FALSE;
5260 gboolean selected_folder;
5261 gint exists_cnt, unseen_cnt;
5262 gboolean got_alien_tags = FALSE;
5263
5264 session = imap_session_get(folder);
5265
5266 if (session == NULL) {
5267 stuff->done = TRUE;
5268 return GINT_TO_POINTER(-1);
5269 }
5270 selected_folder = (session->mbox != NULL) &&
5271 (!strcmp(session->mbox, fitem->path));
5272
5273 lock_session(session);
5274 if (!selected_folder) {
5275 ok = imap_select(session, IMAP_FOLDER(folder), fitem,
5276 &exists_cnt, NULL, &unseen_cnt, NULL, NULL, TRUE);
5277 if (ok != MAILIMAP_NO_ERROR) {
5278 stuff->done = TRUE;
5279 return GINT_TO_POINTER(-1);
5280 }
5281
5282 if (unseen_cnt > exists_cnt / 2)
5283 reverse_seen = TRUE;
5284 }
5285 else {
5286 if (fitem->unread_msgs > fitem->total_msgs / 2)
5287 reverse_seen = TRUE;
5288 }
5289
5290 sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
5291 if (!full_search) {
5292 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msginfo_list);
5293 } else {
5294 struct mailimap_set * set;
5295 set = mailimap_set_new_interval(1, 0);
5296 seq_list = g_slist_append(NULL, set);
5297 }
5298
5299 if (folder->account && folder->account->low_bandwidth) {
5300 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
5301 struct mailimap_set * imapset;
5302 clist * lep_uidlist;
5303 int r;
5304
5305 imapset = cur->data;
5306 if (reverse_seen) {
5307 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SEEN, NULL,
5308 NULL, full_search ? NULL:imapset, &lep_uidlist);
5309 }
5310 else {
5311 r = imap_threaded_search(folder,
5312 IMAP_SEARCH_TYPE_UNSEEN, NULL,
5313 NULL, full_search ? NULL:imapset, &lep_uidlist);
5314 }
5315 if (r == MAILIMAP_NO_ERROR) {
5316 GSList * uidlist;
5317
5318 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5319 mailimap_search_result_free(lep_uidlist);
5320
5321 unseen = g_slist_concat(unseen, uidlist);
5322 } else {
5323 imap_handle_error(SESSION(session), NULL, r);
5324 goto bail;
5325 }
5326
5327 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FLAGGED, NULL,
5328 NULL, full_search ? NULL:imapset, &lep_uidlist);
5329 if (r == MAILIMAP_NO_ERROR) {
5330 GSList * uidlist;
5331
5332 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5333 mailimap_search_result_free(lep_uidlist);
5334
5335 flagged = g_slist_concat(flagged, uidlist);
5336 } else {
5337 imap_handle_error(SESSION(session), NULL, r);
5338 goto bail;
5339 }
5340
5341 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5342 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_ANSWERED, NULL,
5343 NULL, full_search ? NULL:imapset, &lep_uidlist);
5344 if (r == MAILIMAP_NO_ERROR) {
5345 GSList * uidlist;
5346
5347 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5348 mailimap_search_result_free(lep_uidlist);
5349
5350 answered = g_slist_concat(answered, uidlist);
5351 } else {
5352 imap_handle_error(SESSION(session), NULL, r);
5353 goto bail;
5354 }
5355
5356 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_FORWARDED)) {
5357 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FORWARDED, NULL,
5358 NULL, full_search ? NULL:imapset, &lep_uidlist);
5359 if (r == MAILIMAP_NO_ERROR) {
5360 GSList * uidlist;
5361
5362 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5363 mailimap_search_result_free(lep_uidlist);
5364
5365 forwarded = g_slist_concat(forwarded, uidlist);
5366 } else {
5367 imap_handle_error(SESSION(session), NULL, r);
5368 goto bail;
5369 }
5370 }
5371
5372 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_SPAM)) {
5373 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SPAM, NULL,
5374 NULL, full_search ? NULL:imapset, &lep_uidlist);
5375 if (r == MAILIMAP_NO_ERROR) {
5376 GSList * uidlist;
5377
5378 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5379 mailimap_search_result_free(lep_uidlist);
5380
5381 spam = g_slist_concat(spam, uidlist);
5382 } else {
5383 imap_handle_error(SESSION(session), NULL, r);
5384 goto bail;
5385 }
5386 }
5387
5388 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_DELETED, NULL,
5389 NULL, full_search ? NULL:imapset, &lep_uidlist);
5390 if (r == MAILIMAP_NO_ERROR) {
5391 GSList * uidlist;
5392
5393 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5394 mailimap_search_result_free(lep_uidlist);
5395
5396 deleted = g_slist_concat(deleted, uidlist);
5397 } else {
5398 imap_handle_error(SESSION(session), NULL, r);
5399 goto bail;
5400 }
5401 }
5402 }
5403
5404 } else {
5405 r = imap_threaded_fetch_uid_flags(folder, 1, &lep_uidtab);
5406 if (r == MAILIMAP_NO_ERROR) {
5407 flags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5408 tags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5409 imap_flags_hash_from_lep_uid_flags_tab(lep_uidtab, flags_hash, tags_hash);
5410 imap_fetch_uid_flags_list_free(lep_uidtab);
5411 } else {
5412 imap_handle_error(SESSION(session), NULL, r);
5413 goto bail;
5414 }
5415 }
5416
5417 bail:
5418 if (r == MAILIMAP_NO_ERROR)
5419 unlock_session(session);
5420
5421 for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
5422 MsgInfo *msginfo;
5423 MsgPermFlags flags, oldflags;
5424 gboolean wasnew;
5425
5426 msginfo = (MsgInfo *) elem->data;
5427 flags = msginfo->flags.perm_flags;
5428 wasnew = (flags & MSG_NEW);
5429 oldflags = flags & ~(MSG_NEW|MSG_UNREAD|MSG_REPLIED|MSG_FORWARDED|MSG_MARKED|MSG_DELETED|MSG_SPAM);
5430
5431 if (folder->account && folder->account->low_bandwidth) {
5432 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5433 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_FORWARDED | MSG_MARKED | MSG_SPAM);
5434 } else {
5435 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW | MSG_MARKED));
5436 }
5437 if (reverse_seen)
5438 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5439 if (gslist_find_next_num(&unseen, msginfo->msgnum) == msginfo->msgnum) {
5440 if (!reverse_seen) {
5441 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5442 } else {
5443 flags &= ~(MSG_UNREAD | MSG_NEW);
5444 }
5445 }
5446
5447 if (gslist_find_next_num(&flagged, msginfo->msgnum) == msginfo->msgnum)
5448 flags |= MSG_MARKED;
5449 else
5450 flags &= ~MSG_MARKED;
5451
5452 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5453 if (gslist_find_next_num(&answered, msginfo->msgnum) == msginfo->msgnum)
5454 flags |= MSG_REPLIED;
5455 else
5456 flags &= ~MSG_REPLIED;
5457 if (gslist_find_next_num(&forwarded, msginfo->msgnum) == msginfo->msgnum)
5458 flags |= MSG_FORWARDED;
5459 else
5460 flags &= ~MSG_FORWARDED;
5461 if (gslist_find_next_num(&spam, msginfo->msgnum) == msginfo->msgnum)
5462 flags |= MSG_SPAM;
5463 else
5464 flags &= ~MSG_SPAM;
5465 if (gslist_find_next_num(&deleted, msginfo->msgnum) == msginfo->msgnum)
5466 flags |= MSG_DELETED;
5467 else
5468 flags &= ~MSG_DELETED;
5469 }
5470 } else {
5471 if (flags_hash != NULL) {
5472
5473 flags = GPOINTER_TO_INT(g_hash_table_lookup(flags_hash,
5474 GINT_TO_POINTER(msginfo->msgnum)));
5475 }
5476
5477 if ((flags & MSG_UNREAD) == 0)
5478 flags &= ~MSG_NEW;
5479 else if (wasnew)
5480 flags |= MSG_NEW;
5481 flags |= oldflags;
5482
5483 if (tags_hash != NULL) {
5484 GSList *tags = g_hash_table_lookup(tags_hash, GINT_TO_POINTER(msginfo->msgnum));
5485 GSList *cur;
5486
5487 g_slist_free(msginfo->tags);
5488 msginfo->tags = NULL;
5489
5490 for (cur = tags; cur; cur = cur->next) {
5491 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
5492 gint id = 0;
5493 id = tags_get_id_for_str(real_tag);
5494 if (id == -1) {
5495 id = tags_add_tag(real_tag);
5496 got_alien_tags = TRUE;
5497 }
5498 msginfo->tags = g_slist_append(
5499 msginfo->tags,
5500 GINT_TO_POINTER(id));
5501 g_free(real_tag);
5502 }
5503 slist_free_strings_full(tags);
5504 }
5505 }
5506
5507 g_hash_table_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
5508 }
5509
5510 if (got_alien_tags) {
5511 tags_write_tags();
5512 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
5513 }
5514
5515 if (flags_hash)
5516 g_hash_table_destroy(flags_hash);
5517 if (tags_hash)
5518 g_hash_table_destroy(tags_hash);
5519
5520 imap_lep_set_free(seq_list);
5521 g_slist_free(flagged);
5522 g_slist_free(deleted);
5523 g_slist_free(answered);
5524 g_slist_free(forwarded);
5525 g_slist_free(spam);
5526 g_slist_free(unseen);
5527 g_slist_free(sorted_list);
5528
5529 stuff->done = TRUE;
5530 return GINT_TO_POINTER(0);
5531 }
5532
5533 static gint imap_get_flags(Folder *folder, FolderItem *item,
5534 MsgInfoList *msginfo_list, GHashTable *msgflags)
5535 {
5536 gint result;
5537 get_flags_data *data = g_new0(get_flags_data, 1);
5538 data->done = FALSE;
5539 data->folder = folder;
5540 data->item = item;
5541 data->msginfo_list = msginfo_list;
5542 data->msgflags = msgflags;
5543 data->full_search = FALSE;
5544
5545 GSList *tmp = NULL, *cur;
5546
5547 if (prefs_common.work_offline &&
5548 !inc_offline_should_override(FALSE,
5549 _("Claws Mail needs network access in order "
5550 "to access the IMAP server."))) {
5551 g_free(data);
5552 return -1;
5553 }
5554
5555 tmp = folder_item_get_msg_list(item);
5556
5557 if (g_slist_length(tmp) <= g_slist_length(msginfo_list))
5558 data->full_search = TRUE;
5559
5560 for (cur = tmp; cur; cur = cur->next)
5561 procmsg_msginfo_free((MsgInfo **)&(cur->data));
5562
5563 g_slist_free(tmp);
5564
5565 result = GPOINTER_TO_INT(imap_get_flags_thread(data));
5566
5567 g_free(data);
5568 return result;
5569
5570 }
5571
5572 static gboolean process_flags(gpointer key, gpointer value, gpointer user_data)
5573 {
5574 gboolean flags_set = GPOINTER_TO_INT(user_data);
5575 gint flags_value = GPOINTER_TO_INT(key);
5576 hashtable_data *data = (hashtable_data *)value;
5577 IMAPFolderItem *_item = data->item;
5578 FolderItem *item = (FolderItem *)_item;
5579 gint ok = MAILIMAP_ERROR_BAD_STATE;
5580 IMAPSession *session = NULL;
5581
5582 debug_print("getting session...\n");
5583 session = imap_session_get(item->folder);
5584
5585 data->msglist = g_slist_reverse(data->msglist);
5586
5587 debug_print("IMAP %ssetting flags to %d for %d messages\n",
5588 flags_set?"":"un",
5589 flags_value,
5590 g_slist_length(data->msglist));
5591
5592 lock_session(session);
5593 if (session) {
5594 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5595 NULL, NULL, NULL, NULL, NULL, FALSE);
5596 }
5597 if (ok == MAILIMAP_NO_ERROR) {
5598 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5599 data->msglist, flags_value, NULL, flags_set);
5600 } else {
5601 g_warning("can't select mailbox %s", item->path);
5602 }
5603
5604 if (!is_fatal(ok))
5605 unlock_session(session);
5606
5607 g_slist_free(data->msglist);
5608 g_free(data);
5609 return TRUE;
5610 }
5611
5612 static gboolean process_tags(gpointer key, gpointer value, gpointer user_data)
5613 {
5614 gboolean tags_set = GPOINTER_TO_INT(user_data);
5615 TagsData *data = (TagsData *)value;
5616 IMAPFolderItem *_item = data->item;
5617 FolderItem *item = (FolderItem *)_item;
5618 gchar *str = data->str;
5619 gint ok = MAILIMAP_ERROR_BAD_STATE;
5620 IMAPSession *session = NULL;
5621
5622 debug_print("getting session...\n");
5623 session = imap_session_get(item->folder);
5624
5625 data->msglist = g_slist_reverse(data->msglist);
5626
5627 debug_print("IMAP %ssetting tags %s for %d messages\n",
5628 tags_set?"":"un",
5629 str,
5630 g_slist_length(data->msglist));
5631
5632 lock_session(session);
5633 if (session) {
5634 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5635 NULL, NULL, NULL, NULL, NULL, FALSE);
5636 }
5637 if (ok == MAILIMAP_NO_ERROR) {
5638 GSList list;
5639 list.data = str;
5640 list.next = NULL;
5641 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5642 data->msglist, 0, &list, tags_set);
5643 } else {
5644 g_warning("can't select mailbox %s", item->path);
5645 }
5646
5647 if (!is_fatal(ok))
5648 unlock_session(session);
5649
5650 g_slist_free(data->msglist);
5651 g_free(data->str);
5652 g_free(data);
5653 return TRUE;
5654 }
5655
5656 static void process_hashtable(IMAPFolderItem *item)
5657 {
5658 if (item->flags_set_table) {
5659 g_hash_table_foreach_remove(item->flags_set_table, process_flags, GINT_TO_POINTER(TRUE));
5660 g_hash_table_destroy(item->flags_set_table);
5661 item->flags_set_table = NULL;
5662 }
5663 if (item->flags_unset_table) {
5664 g_hash_table_foreach_remove(item->flags_unset_table, process_flags, GINT_TO_POINTER(FALSE));
5665 g_hash_table_destroy(item->flags_unset_table);
5666 item->flags_unset_table = NULL;
5667 }
5668 if (item->tags_set_table) {
5669 g_hash_table_foreach_remove(item->tags_set_table, process_tags, GINT_TO_POINTER(TRUE));
5670 g_hash_table_destroy(item->tags_set_table);
5671 item->tags_set_table = NULL;
5672 }
5673 if (item->tags_unset_table) {
5674 g_hash_table_foreach_remove(item->tags_unset_table, process_tags, GINT_TO_POINTER(FALSE));
5675 g_hash_table_destroy(item->tags_unset_table);
5676 item->tags_unset_table = NULL;
5677 }
5678
5679 }
5680
5681 static void imap_set_batch (Folder *folder, FolderItem *_item, gboolean batch)
5682 {
5683 IMAPFolderItem *item = (IMAPFolderItem *)_item;
5684 IMAPSession *session;
5685
5686 g_return_if_fail(item != NULL);
5687
5688 if (item->batching == batch)
5689 return;
5690
5691 if (batch) {
5692 item->batching = TRUE;
5693 debug_print("IMAP switching to batch mode\n");
5694 if (!item->flags_set_table) {
5695 item->flags_set_table = g_hash_table_new(NULL, g_direct_equal);
5696 }
5697 if (!item->flags_unset_table) {
5698 item->flags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5699 }
5700 if (!item->tags_set_table) {
5701 item->tags_set_table = g_hash_table_new(NULL, g_direct_equal);
5702 }
5703 if (!item->tags_unset_table) {
5704 item->tags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5705 }
5706 session = imap_session_get(folder);
5707 if (session) {
5708 imap_refresh_sensitivity(session);
5709 session->sens_update_block = TRUE;
5710 }
5711 } else {
5712 debug_print("IMAP switching away from batch mode\n");
5713 /* process stuff */
5714 process_hashtable(item);
5715 item->batching = FALSE;
5716 session = imap_session_get(folder);
5717 if (session) {
5718 session->sens_update_block = FALSE;
5719 imap_refresh_sensitivity(session);
5720 }
5721 }
5722 }
5723
5724
5725
5726 /* data types conversion libetpan <-> claws */
5727
5728
5729
5730 #define ETPAN_IMAP_MB_MARKED 1
5731 #define ETPAN_IMAP_MB_UNMARKED 2
5732 #define ETPAN_IMAP_MB_NOSELECT 4
5733 #define ETPAN_IMAP_MB_NOINFERIORS 8
5734
5735 static int imap_flags_to_flags(struct mailimap_mbx_list_flags * imap_flags)
5736 {
5737 int flags;
5738 clistiter * cur;
5739
5740 flags = 0;
5741 if (imap_flags->mbf_type == MAILIMAP_MBX_LIST_FLAGS_SFLAG) {
5742 switch (imap_flags->mbf_sflag) {
5743 case MAILIMAP_MBX_LIST_SFLAG_MARKED:
5744 flags |= ETPAN_IMAP_MB_MARKED;
5745 break;
5746 case MAILIMAP_MBX_LIST_SFLAG_NOSELECT:
5747 flags |= ETPAN_IMAP_MB_NOSELECT;
5748 break;
5749 case MAILIMAP_MBX_LIST_SFLAG_UNMARKED:
5750 flags |= ETPAN_IMAP_MB_UNMARKED;
5751 break;
5752 }
5753 }
5754
5755 if (imap_flags->mbf_oflags) {
5756 for(cur = clist_begin(imap_flags->mbf_oflags) ; cur != NULL ;
5757 cur = clist_next(cur)) {
5758 struct mailimap_mbx_list_oflag * oflag;
5759
5760 oflag = clist_content(cur);
5761
5762 switch (oflag->of_type) {
5763 case MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS:
5764 flags |= ETPAN_IMAP_MB_NOINFERIORS;
5765 break;
5766 }
5767 }
5768 }
5769 return flags;
5770 }
5771
5772 static GSList * imap_list_from_lep(IMAPFolder * folder,
5773 clist * list, const gchar * real_path, gboolean all)
5774 {
5775 clistiter * iter;
5776 GSList * item_list = NULL, *llast = NULL;
5777
5778 if (list) {
5779 for(iter = clist_begin(list) ; iter != NULL ;
5780 iter = clist_next(iter)) {
5781 struct mailimap_mailbox_list * mb;
5782 int flags;
5783 char delimiter;
5784 char * name;
5785 char * dup_name;
5786 gchar * base;
5787 gchar * loc_name;
5788 gchar * loc_path;
5789 FolderItem *new_item;
5790
5791 mb = clist_content(iter);
5792
5793 if (mb == NULL)
5794 continue;
5795
5796 flags = 0;
5797 if (mb->mb_flag != NULL)
5798 flags = imap_flags_to_flags(mb->mb_flag);
5799
5800 delimiter = mb->mb_delimiter;
5801 name = mb->mb_name;
5802
5803 dup_name = strdup(name);
5804 if (delimiter != '\0')
5805 subst_char(dup_name, delimiter, '/');
5806
5807 base = g_path_get_basename(dup_name);
5808 if (base[0] == '.') {
5809 g_free(base);
5810 free(dup_name);
5811 continue;
5812 }
5813 if (!all && path_cmp(name, real_path) == 0) {
5814 g_free(base);
5815 free(dup_name);
5816 continue;
5817 }
5818
5819 if (!all && dup_name[strlen(dup_name)-1] == '/') {
5820 g_free(base);
5821 free(dup_name);
5822 continue;
5823 }
5824
5825 loc_name = imap_modified_utf7_to_utf8(base, FALSE);
5826 loc_path = imap_modified_utf7_to_utf8(dup_name, FALSE);
5827
5828 new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
5829 if ((flags & ETPAN_IMAP_MB_NOINFERIORS) != 0)
5830 new_item->no_sub = TRUE;
5831 if (strcasecmp(dup_name, "INBOX") != 0 &&
5832 ((flags & ETPAN_IMAP_MB_NOSELECT) != 0))
5833 new_item->no_select = TRUE;
5834
5835 if (item_list == NULL)
5836 llast = item_list = g_slist_append(item_list, new_item);
5837 else {
5838 llast = g_slist_append(llast, new_item);
5839 llast = llast->next;
5840 }
5841 debug_print("folder '%s' found.\n", loc_path);
5842 g_free(base);
5843 g_free(loc_path);
5844 g_free(loc_name);
5845
5846 free(dup_name);
5847 }
5848 }
5849 return item_list;
5850 }
5851
5852 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist)
5853 {
5854 GSList *sorted_list, *cur;
5855 guint first, last, next;
5856 GSList *ret_list = NULL, *llast = NULL;
5857 struct mailimap_set * current_set;
5858 unsigned int item_count;
5859
5860 if (numlist == NULL)
5861 return NULL;
5862
5863 current_set = mailimap_set_new_empty();
5864
5865 sorted_list = g_slist_copy(numlist);
5866 sorted_list = g_slist_sort(sorted_list, g_int_compare);
5867
5868 first = GPOINTER_TO_INT(sorted_list->data);
5869
5870 item_count = 0;
5871 for (cur = sorted_list; cur != NULL; cur = g_slist_next(cur)) {
5872 if (GPOINTER_TO_INT(cur->data) == 0)
5873 continue;
5874
5875 item_count ++;
5876
5877 last = GPOINTER_TO_INT(cur->data);
5878 if (cur->next)
5879 next = GPOINTER_TO_INT(cur->next->data);
5880 else
5881 next = 0;
5882
5883 if (last + 1 != next || next == 0 || item_count >= folder->max_set_size) {
5884
5885 struct mailimap_set_item * item;
5886 item = mailimap_set_item_new(first, last);
5887 mailimap_set_add(current_set, item);
5888
5889 first = next;
5890
5891 if (item_count >= folder->max_set_size) {
5892 if (ret_list == NULL)
5893 llast = ret_list = g_slist_append(ret_list,
5894 current_set);
5895 else {
5896 llast = g_slist_append(llast, current_set);
5897 llast = llast->next;
5898 }
5899
5900 current_set = mailimap_set_new_empty();
5901 item_count = 0;
5902 }
5903 }
5904 }
5905
5906 if (clist_count(current_set->set_list) > 0) {
5907 ret_list = g_slist_append(ret_list,
5908 current_set);
5909 }
5910
5911 g_slist_free(sorted_list);
5912
5913 return ret_list;
5914 }
5915
5916 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist)
5917 {
5918 MsgNumberList *numlist = NULL;
5919 GSList *seq_list;
5920
5921 numlist = procmsg_get_number_list_for_msgs(msglist);
5922
5923 seq_list = imap_get_lep_set_from_numlist(folder, numlist);
5924 g_slist_free(numlist);
5925
5926 return seq_list;
5927 }
5928
5929 static GSList * imap_uid_list_from_lep(clist * list, gint* length)
5930 {
5931 clistiter * iter;
5932 GSList * result;
5933 gint len = 0;
5934
5935 result = NULL;
5936
5937 if (list) {
5938 for(iter = clist_begin(list) ; iter != NULL ;
5939 iter = clist_next(iter)) {
5940 uint32_t * puid;
5941
5942 puid = clist_content(iter);
5943 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5944 len++;
5945 }
5946 result = g_slist_reverse(result);
5947 }
5948 if (length)
5949 *length = len;
5950 return result;
5951 }
5952
5953 static GSList * imap_uid_list_from_lep_tab(carray * list)
5954 {
5955 unsigned int i;
5956 GSList * result;
5957
5958 result = NULL;
5959
5960 for(i = 0 ; i < carray_count(list) ; i ++) {
5961 uint32_t * puid;
5962
5963 puid = carray_get(list, i);
5964 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5965 }
5966 result = g_slist_reverse(result);
5967 return result;
5968 }
5969
5970 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
5971 GHashTable * hash,
5972 GHashTable * tags_hash)
5973 {
5974 unsigned int i;
5975
5976 for(i = 0 ; i < carray_count(list) ; i += 3) {
5977 uint32_t * puid;
5978 int * pflags;
5979 GSList *tags;
5980
5981 puid = carray_get(list, i);
5982 pflags = carray_get(list, i + 1);
5983 tags = carray_get(list, i + 2);
5984
5985 g_hash_table_insert(hash, GINT_TO_POINTER(*puid), GINT_TO_POINTER(* pflags));
5986 g_hash_table_insert(tags_hash, GINT_TO_POINTER(*puid), tags);
5987 }
5988 }
5989
5990 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
5991 FolderItem *item)
5992 {
5993 MsgInfo *msginfo = NULL;
5994 guint32 uid = 0;
5995 goffset size = 0;
5996 MsgFlags flags = {0, 0};
5997
5998 if (info->headers == NULL)
5999 return NULL;
6000
6001 MSG_SET_TMP_FLAGS(flags, MSG_IMAP);
6002 if (folder_has_parent_of_type(item, F_QUEUE)) {
6003 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
6004 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
6005 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
6006 }
6007 flags.perm_flags = info->flags;
6008
6009 uid = info->uid;
6010 size = (goffset) info->size;
6011 msginfo = procheader_parse_str(info->headers, flags, FALSE, FALSE);
6012
6013 if (msginfo) {
6014 msginfo->msgnum = uid;
6015 msginfo->size = size;
6016 }
6017
6018 return msginfo;
6019 }
6020
6021 static void imap_lep_set_free(GSList *seq_list)
6022 {
6023 GSList * cur;
6024
6025 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
6026 struct mailimap_set * imapset;
6027
6028 imapset = cur->data;
6029 mailimap_set_free(imapset);
6030 }
6031 g_slist_free(seq_list);
6032 }
6033
6034 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags)
6035 {
6036 struct mailimap_flag_list * flag_list;
6037 GSList *cur = tags;
6038
6039 flag_list = mailimap_flag_list_new_empty();
6040
6041 if (IMAP_IS_SEEN(flags))
6042 mailimap_flag_list_add(flag_list,
6043 mailimap_flag_new_seen());
6044 if (IMAP_IS_ANSWERED(flags))
6045 mailimap_flag_list_add(flag_list,
6046 mailimap_flag_new_answered());
6047 if (IMAP_IS_FLAGGED(flags))
6048 mailimap_flag_list_add(flag_list,
6049 mailimap_flag_new_flagged());
6050 if (IMAP_IS_DELETED(flags))
6051 mailimap_flag_list_add(flag_list,
6052 mailimap_flag_new_deleted());
6053 if (IMAP_IS_DRAFT(flags))
6054 mailimap_flag_list_add(flag_list,
6055 mailimap_flag_new_draft());
6056 if (IMAP_IS_FORWARDED(flags) && flag_ok(item, IMAP_FLAG_FORWARDED))
6057 mailimap_flag_list_add(flag_list,
6058 mailimap_flag_new_flag_keyword(strdup(RTAG_FORWARDED)));
6059 if (IMAP_IS_SPAM(flags) && flag_ok(item, IMAP_FLAG_SPAM))
6060 mailimap_flag_list_add(flag_list,
6061 mailimap_flag_new_flag_keyword(strdup(RTAG_JUNK)));
6062 else if (IMAP_IS_HAM(flags) && flag_ok(item, IMAP_FLAG_HAM))
6063 mailimap_flag_list_add(flag_list,
6064 mailimap_flag_new_flag_keyword(strdup(RTAG_NON_JUNK)));
6065
6066 for (; cur; cur = cur->next) {
6067 gchar *enc_str =
6068 imap_utf8_to_modified_utf7(cur->data, TRUE);
6069 g_strstrip(enc_str);
6070
6071 mailimap_flag_list_add(flag_list,
6072 mailimap_flag_new_flag_keyword(enc_str));
6073 }
6074
6075 return flag_list;
6076 }
6077
6078 guint imap_folder_get_refcnt(Folder *folder)
6079 {
6080 return ((IMAPFolder *)folder)->refcnt;
6081 }
6082
6083 void imap_folder_ref(Folder *folder)
6084 {
6085 ((IMAPFolder *)folder)->refcnt++;
6086 }
6087
6088 void imap_disconnect_all(gboolean have_connectivity)
6089 {
6090 GList *list;
6091 gboolean short_timeout;
6092 #ifdef HAVE_NETWORKMANAGER_SUPPORT
6093 GError *error = NULL;
6094
6095 short_timeout = !networkmanager_is_online(&error);
6096 if(error) {
6097 short_timeout = TRUE;
6098 g_error_free(error);
6099 }
6100 #else
6101 short_timeout = TRUE;
6102 #endif
6103
6104 if(short_timeout)
6105 imap_main_set_timeout(1);
6106
6107 for (list = account_get_list(); list != NULL; list = list->next) {
6108 PrefsAccount *account = list->data;
6109 if (account->protocol == A_IMAP4) {
6110 RemoteFolder *folder = (RemoteFolder *)account->folder;
6111 if (folder && folder->session) {
6112 if (imap_is_busy(FOLDER(folder)))
6113 imap_threaded_cancel(FOLDER(folder));
6114
6115 IMAPSession *session = (IMAPSession *)folder->session;
6116 if (have_connectivity)
6117 imap_threaded_disconnect(FOLDER(folder));
6118 SESSION(session)->state = SESSION_DISCONNECTED;
6119 SESSION(session)->sock = NULL;
6120 imap_safe_destroy(session);
6121 folder->session = NULL;
6122 }
6123 }
6124 }
6125
6126 if(short_timeout)
6127 imap_main_set_timeout(prefs_common.io_timeout_secs);
6128 }
6129
6130 void imap_folder_unref(Folder *folder)
6131 {
6132 if (((IMAPFolder *)folder)->refcnt > 0)
6133 ((IMAPFolder *)folder)->refcnt--;
6134 }
6135
6136 void imap_cancel_all(void)
6137 {
6138 GList *folderlist;
6139 GList *cur;
6140
6141 folderlist = folder_get_list();
6142 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6143 Folder *folder = (Folder *) cur->data;
6144
6145 if (folder->klass == &imap_class) {
6146 if (imap_is_busy(folder)) {
6147 IMAPSession *imap_session;
6148 RemoteFolder *rfolder;
6149
6150 g_printerr("cancelled\n");
6151 imap_threaded_cancel(folder);
6152 rfolder = (RemoteFolder *) folder;
6153 imap_session = (IMAPSession *) rfolder->session;
6154 if (imap_session)
6155 imap_session->cancelled = 1;
6156 }
6157 }
6158 }
6159 }
6160
6161 gboolean imap_cancel_all_enabled(void)
6162 {
6163 GList *folderlist;
6164 GList *cur;
6165
6166 folderlist = folder_get_list();
6167 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6168 Folder *folder = (Folder *) cur->data;
6169
6170 if (folder->klass == &imap_class) {
6171 if (imap_is_busy(folder)) {
6172 return TRUE;
6173 }
6174 }
6175 }
6176
6177 return FALSE;
6178 }
6179
6180 static gboolean imap_is_busy(Folder *folder)
6181 {
6182 IMAPSession *imap_session;
6183 RemoteFolder *rfolder;
6184
6185 rfolder = (RemoteFolder *) folder;
6186 imap_session = (IMAPSession *) rfolder->session;
6187 if (imap_session == NULL)
6188 return FALSE;
6189
6190 return imap_session->busy;
6191 }
6192
6193 #else /* HAVE_LIBETPAN */
6194
6195 static FolderClass imap_class;
6196
6197 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
6198 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
6199
6200 static Folder *imap_folder_new (const gchar *name,
6201 const gchar *path)
6202 {
6203 static gboolean missing_imap_warning = TRUE;
6204 if (missing_imap_warning) {
6205 missing_imap_warning = FALSE;
6206 alertpanel_error(
6207 _("You have one or more IMAP accounts "
6208 "defined. However this version of "
6209 "Claws Mail has been built without "
6210 "IMAP support; your IMAP accounts are "
6211 "disabled.\n\n"
6212 "You probably need to "
6213 "install libetpan and recompile "
6214 "Claws Mail."));
6215 }
6216 return NULL;
6217 }
6218 static gint imap_create_tree (Folder *folder)
6219 {
6220 return -1;
6221 }
6222 static FolderItem *imap_create_folder (Folder *folder,
6223 FolderItem *parent,
6224 const gchar *name)
6225 {
6226 return NULL;
6227 }
6228 static gint imap_rename_folder (Folder *folder,
6229 FolderItem *item,
6230 const gchar *name)
6231 {
6232 return -1;
6233 }
6234
6235 gchar imap_get_path_separator_for_item(FolderItem *item)
6236 {
6237 return '/';
6238 }
6239
6240 FolderClass *imap_get_class(void)
6241 {
6242 if (imap_class.idstr == NULL) {
6243 imap_class.type = F_IMAP;
6244 imap_class.idstr = "imap";
6245 imap_class.uistr = "IMAP";
6246
6247 imap_class.new_folder = imap_folder_new;
6248 imap_class.create_tree = imap_create_tree;
6249 imap_class.create_folder = imap_create_folder;
6250 imap_class.rename_folder = imap_rename_folder;
6251
6252 imap_class.set_xml = folder_set_xml;
6253 imap_class.get_xml = folder_get_xml;
6254 imap_class.item_set_xml = imap_item_set_xml;
6255 imap_class.item_get_xml = imap_item_get_xml;
6256 /* nothing implemented */
6257 }
6258
6259 return &imap_class;
6260 }
6261
6262 void imap_disconnect_all(gboolean have_connectivity)
6263 {
6264 }
6265
6266 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
6267 {
6268 return -1;
6269 }
6270
6271 GList * imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
6272 {
6273 return NULL;
6274 }
6275
6276 void imap_cache_msg(FolderItem *item, gint msgnum)
6277 {
6278 }
6279
6280 void imap_cancel_all(void)
6281 {
6282 }
6283
6284 gboolean imap_cancel_all_enabled(void)
6285 {
6286 return FALSE;
6287 }
6288
6289 #endif
6290
6291 #ifdef HAVE_LIBETPAN
6292 static void imap_synchronise(FolderItem *item, gint days)
6293 {
6294 if (IMAP_FOLDER_ITEM(item)->last_sync == IMAP_FOLDER_ITEM(item)->last_change) {
6295 debug_print("%s already synced\n", item->path?item->path:item->name);
6296 return;
6297 }
6298 debug_print("syncing %s\n", item->path?item->path:item->name);
6299 imap_gtk_synchronise(item, days);
6300 IMAP_FOLDER_ITEM(item)->last_sync = IMAP_FOLDER_ITEM(item)->last_change;
6301 }
6302 #endif
6303
6304 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
6305 {
6306 #ifdef HAVE_LIBETPAN
6307 GList *cur;
6308 #endif
6309 folder_item_set_xml(folder, item, tag);
6310
6311 #ifdef HAVE_LIBETPAN
6312 for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
6313 XMLAttr *attr = (XMLAttr *) cur->data;
6314
6315 if (!attr || !attr->name || !attr->value) continue;
6316 if (!strcmp(attr->name, "uidnext"))
6317 IMAP_FOLDER_ITEM(item)->uid_next = atoi(attr->value);
6318 if (!strcmp(attr->name, "last_sync"))
6319 IMAP_FOLDER_ITEM(item)->last_sync = atoi(attr->value);
6320 if (!strcmp(attr->name, "last_change"))
6321 IMAP_FOLDER_ITEM(item)->last_change = atoi(attr->value);
6322 }
6323 if (IMAP_FOLDER_ITEM(item)->last_change == 0)
6324 IMAP_FOLDER_ITEM(item)->last_change = time(NULL);
6325 #endif
6326 }
6327
6328 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item)
6329 {
6330 XMLTag *tag;
6331
6332 tag = folder_item_get_xml(folder, item);
6333
6334 #ifdef HAVE_LIBETPAN
6335 xml_tag_add_attr(tag, xml_attr_new_int("uidnext",
6336 IMAP_FOLDER_ITEM(item)->uid_next));
6337 xml_tag_add_attr(tag, xml_attr_new_int("last_sync",
6338 IMAP_FOLDER_ITEM(item)->last_sync));
6339 xml_tag_add_attr(tag, xml_attr_new_int("last_change",
6340 IMAP_FOLDER_ITEM(item)->last_change));
6341
6342 #endif
6343 return tag;
6344 }
6345
6346 /* ===================================================================
6347 * UTF-7 conversion routines as in RFC 2192
6348 * ===================================================================
6349 * These two functions from:
6350 * libimap library.
6351 * Copyright (C) 2003-2004 Pawel Salek. */
6352
6353 /* UTF7 modified base64 alphabet */
6354 static char base64chars[] =
6355 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+,";
6356 #define UNDEFINED 64
6357
6358 /* UTF16 definitions */
6359 #define UTF16MASK 0x03FFUL
6360 #define UTF16SHIFT 10
6361 #define UTF16BASE 0x10000UL
6362 #define UTF16HIGHSTART 0xD800UL
6363 #define UTF16HIGHEND 0xDBFFUL
6364 #define UTF16LOSTART 0xDC00UL
6365 #define UTF16LOEND 0xDFFFUL
6366
6367
6368 /* Convert an IMAP mailbox to a UTF-8 string.
6369 * dst needs to have roughly 4 times the storage space of src
6370 * Hex encoding can triple the size of the input
6371 * UTF-7 can be slightly denser than UTF-8
6372 * (worst case: 8 octets UTF-7 becomes 9 octets UTF-8)
6373 */
6374 char* imap_modified_utf7_to_utf8(const char *mbox, gboolean change_spaces)
6375 {
6376 unsigned c, i, bitcount;
6377 unsigned long ucs4, utf16, bitbuf;
6378 unsigned char base64[256];
6379 const char *src;
6380 char *dst, *res = g_malloc(2*strlen(mbox)+1);
6381
6382 dst = res;
6383 src = mbox;
6384 if(!dst) return NULL;
6385 /* initialize modified base64 decoding table */
6386 memset(base64, UNDEFINED, sizeof (base64));
6387 for (i = 0; i < sizeof (base64chars); ++i) {
6388 base64[(unsigned)base64chars[i]] = i;
6389 }
6390
6391 /* loop until end of string */
6392 while (*src != '\0') {
6393 c = *src++;
6394 /* deal with literal characters and &- */
6395 if (c != '&' || *src == '-') {
6396 /* encode literally */
6397 if (change_spaces && c == '_')
6398 *dst++ = ' ';
6399 else
6400 *dst++ = c;
6401 /* skip over the '-' if this is an &- sequence */
6402 if (c == '&') ++src;
6403 } else {
6404 /* convert modified UTF-7 -> UTF-16 -> UCS-4 -> UTF-8 -> HEX */
6405 bitbuf = 0;
6406 bitcount = 0;
6407 ucs4 = 0;
6408 while ((c = base64[(unsigned char) *src]) != UNDEFINED) {
6409 ++src;
6410 bitbuf = (bitbuf << 6) | c;
6411 bitcount += 6;
6412 /* enough bits for a UTF-16 character? */
6413 if (bitcount >= 16) {
6414 bitcount -= 16;
6415 utf16 = (bitcount ? bitbuf >> bitcount
6416 : bitbuf) & 0xffff;
6417 /* convert UTF16 to UCS4 */
6418 if
6419 (utf16 >= UTF16HIGHSTART && utf16 <= UTF16HIGHEND) {
6420 ucs4 = (utf16 - UTF16HIGHSTART) << UTF16SHIFT;
6421 continue;
6422 } else if
6423 (utf16 >= UTF16LOSTART && utf16 <= UTF16LOEND) {
6424 ucs4 += utf16 - UTF16LOSTART + UTF16BASE;
6425 } else {
6426 ucs4 = utf16;
6427 }
6428
6429 /* convert UTF-16 range of UCS4 to UTF-8 */
6430 if (ucs4 <= 0x7fUL) {
6431 dst[0] = ucs4;
6432 dst += 1;
6433 } else if (ucs4 <= 0x7ffUL) {
6434 dst[0] = 0xc0 | (ucs4 >> 6);
6435 dst[1] = 0x80 | (ucs4 & 0x3f);
6436 dst += 2;
6437 } else if (ucs4 <= 0xffffUL) {
6438 dst[0] = 0xe0 | (ucs4 >> 12);
6439 dst[1] = 0x80 | ((ucs4 >> 6) & 0x3f);
6440 dst[2] = 0x80 | (ucs4 & 0x3f);
6441 dst += 3;
6442 } else {
6443 dst[0] = 0xf0 | (ucs4 >> 18);
6444 dst[1] = 0x80 | ((ucs4 >> 12) & 0x3f);
6445 dst[2] = 0x80 | ((ucs4 >> 6) & 0x3f);
6446 dst[3] = 0x80 | (ucs4 & 0x3f);
6447 dst += 4;
6448 }
6449 }
6450 }
6451 /* skip over trailing '-' in modified UTF-7 encoding */
6452 if (*src == '-') ++src;
6453 }
6454 }
6455 /* terminate destination string */
6456 *dst = '\0';
6457 return res;
6458 }
6459
6460 /* Convert hex coded UTF-8 string to modified UTF-7 IMAP mailbox
6461 * dst should be about twice the length of src to deal with non-hex
6462 * coded URLs
6463 */
6464 char* imap_utf8_to_modified_utf7(const char *src, gboolean change_spaces)
6465 {
6466 unsigned int utf8pos, utf8total, c, utf7mode, bitstogo, utf16flag;
6467 unsigned long ucs4 = 0, bitbuf = 0;
6468
6469 /* initialize hex lookup table */
6470 char *dst, *res;
6471
6472 if (!src) return NULL;
6473
6474 res = malloc(2*strlen(src)+1);
6475 dst = res;
6476 if(!dst) return NULL;
6477
6478 utf7mode = 0;
6479 utf8total = 0;
6480 bitstogo = 0;
6481 utf8pos = 0;
6482 while ((c = (unsigned char)*src) != '\0') {
6483 ++src;
6484 /* normal character? */
6485 if (c >= ' ' && c <= '~' && (c != '_' || !change_spaces)) {
6486 /* switch out of UTF-7 mode */
6487 if (utf7mode) {
6488 if (bitstogo) {
6489 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6490 }
6491 *dst++ = '-';
6492 utf7mode = 0;
6493 utf8pos = 0;
6494 bitstogo = 0;
6495 utf8total= 0;
6496 }
6497 if (change_spaces && c == ' ')
6498 *dst++ = '_';
6499 else
6500 *dst++ = c;
6501 /* encode '&' as '&-' */
6502 if (c == '&') {
6503 *dst++ = '-';
6504 }
6505 continue;
6506 }
6507 /* switch to UTF-7 mode */
6508 if (!utf7mode) {
6509 *dst++ = '&';
6510 utf7mode = 1;
6511 }
6512 /* Encode US-ASCII characters as themselves */
6513 if (c < 0x80) {
6514 ucs4 = c;
6515 } else if (utf8total) {
6516 /* save UTF8 bits into UCS4 */
6517 ucs4 = (ucs4 << 6) | (c & 0x3FUL);
6518 if (++utf8pos < utf8total) {
6519 continue;
6520 }
6521 } else {
6522 utf8pos = 1;
6523 if (c < 0xE0) {
6524 utf8total = 2;
6525 ucs4 = c & 0x1F;
6526 } else if (c < 0xF0) {
6527 utf8total = 3;
6528 ucs4 = c & 0x0F;
6529 } else {
6530 /* NOTE: can't convert UTF8 sequences longer than 4 */
6531 utf8total = 4;
6532 ucs4 = c & 0x03;
6533 }
6534 continue;
6535 }
6536 /* loop to split ucs4 into two utf16 chars if necessary */
6537 utf8total = 0;
6538 do {
6539 if (ucs4 >= UTF16BASE) {
6540 ucs4 -= UTF16BASE;
6541 bitbuf = (bitbuf << 16) | ((ucs4 >> UTF16SHIFT)
6542 + UTF16HIGHSTART);
6543 ucs4 = (ucs4 & UTF16MASK) + UTF16LOSTART;
6544 utf16flag = 1;
6545 } else {
6546 bitbuf = (bitbuf << 16) | ucs4;
6547 utf16flag = 0;
6548 }
6549 bitstogo += 16;
6550 /* spew out base64 */
6551 while (bitstogo >= 6) {
6552 bitstogo -= 6;
6553 *dst++ = base64chars[(bitstogo ? (bitbuf >> bitstogo)
6554 : bitbuf)
6555 & 0x3F];
6556 }
6557 } while (utf16flag);
6558 }
6559 /* if in UTF-7 mode, finish in ASCII */
6560 if (utf7mode) {
6561 if (bitstogo) {
6562 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6563 }
6564 *dst++ = '-';
6565 }
6566 /* tie off string */
6567 *dst = '\0';
6568 return res;
6569 }