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fix bug 4773, 'remove obsolescent AC_C_CONST'
[claws.git] / src / imap.c
blob012b77c4b134834513de77485421e64162e315f7
1 /*
2 * Claws Mail -- a GTK based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2024 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 <unistd.h>
40 #include <ctype.h>
41 #include <time.h>
42 #include <errno.h>
43 #if HAVE_ICONV
44 # include <iconv.h>
45 #endif
46
47 #ifdef USE_GNUTLS
48 # include "ssl.h"
49 #endif
50
51 #include "folder.h"
52 #include "session.h"
53 #include "procmsg.h"
54 #include "socket.h"
55 #include "recv.h"
56 #include "procheader.h"
57 #include "prefs_account.h"
58 #include "codeconv.h"
59 #include "md5.h"
60 #include "utils.h"
61 #include "prefs_common.h"
62 #include "inputdialog.h"
63 #include "log.h"
64 #include "remotefolder.h"
65 #include "claws.h"
66 #include "statusbar.h"
67 #include "msgcache.h"
68 #include "imap-thread.h"
69 #include "account.h"
70 #include "tags.h"
71 #include "main.h"
72 #include "passwordstore.h"
73 #include "file-utils.h"
74 #ifdef USE_OAUTH2
75 #include "oauth2.h"
76 #endif
77
78 typedef struct _IMAPFolder IMAPFolder;
79 typedef struct _IMAPSession IMAPSession;
80 typedef struct _IMAPNameSpace IMAPNameSpace;
81 typedef struct _IMAPFolderItem IMAPFolderItem;
82
83 #define IMAP_FOLDER(obj) ((IMAPFolder *)obj)
84 #define IMAP_FOLDER_ITEM(obj) ((IMAPFolderItem *)obj)
85 #define IMAP_SESSION(obj) ((IMAPSession *)obj)
86
87 struct _IMAPFolder
88 {
89 RemoteFolder rfolder;
90
91 /* list of IMAPNameSpace */
92 GList *ns_personal;
93 GList *ns_others;
94 GList *ns_shared;
95 gchar last_seen_separator;
96 guint refcnt;
97 guint max_set_size;
98 gchar *search_charset;
99 gboolean search_charset_supported;
100 };
101
102 struct _IMAPSession
103 {
104 Session session;
105
106 gboolean authenticated;
107
108 GSList *capability;
109 gboolean uidplus;
110
111 gchar *mbox;
112 guint cmd_count;
113
114 /* CLAWS */
115 gboolean folder_content_changed;
116 guint exists;
117 guint recent;
118 guint expunge;
119 guint unseen;
120 guint uid_validity;
121 guint uid_next;
122
123 Folder * folder;
124 gboolean busy;
125 gboolean cancelled;
126 gboolean sens_update_block;
127 gboolean do_destroy;
128
129 gint scan_tree_recurs_depth;
130 };
131
132 struct _IMAPNameSpace
133 {
134 gchar *name;
135 gchar separator;
136 };
137
138 #define IMAPBUFSIZE 8192
139
140 #define IMAP_IS_SEEN(flags) ((flags & IMAP_FLAG_SEEN) != 0)
141 #define IMAP_IS_ANSWERED(flags) ((flags & IMAP_FLAG_ANSWERED) != 0)
142 #define IMAP_IS_FLAGGED(flags) ((flags & IMAP_FLAG_FLAGGED) != 0)
143 #define IMAP_IS_DELETED(flags) ((flags & IMAP_FLAG_DELETED) != 0)
144 #define IMAP_IS_DRAFT(flags) ((flags & IMAP_FLAG_DRAFT) != 0)
145 #define IMAP_IS_FORWARDED(flags) ((flags & IMAP_FLAG_FORWARDED) != 0)
146 #define IMAP_IS_SPAM(flags) ((flags & IMAP_FLAG_SPAM) != 0)
147 #define IMAP_IS_HAM(flags) ((flags & IMAP_FLAG_HAM) != 0)
148
149
150 #define IMAP4_PORT 143
151 #ifdef USE_GNUTLS
152 #define IMAPS_PORT 993
153 #endif
154
155 #define IMAP_CMD_LIMIT 1000
156
157 enum {
158 ITEM_CAN_CREATE_FLAGS_UNKNOWN = 0,
159 ITEM_CAN_CREATE_FLAGS,
160 ITEM_CANNOT_CREATE_FLAGS
161 };
162
163 struct _IMAPFolderItem
164 {
165 FolderItem item;
166
167 guint lastuid;
168 guint uid_next;
169 GSList *uid_list;
170 gboolean batching;
171
172 GHashTable *flags_set_table;
173 GHashTable *flags_unset_table;
174 guint32 last_change;
175 guint32 last_sync;
176 gboolean should_update;
177 gboolean should_trash_cache;
178 gint can_create_flags;
179
180 GHashTable *tags_set_table;
181 GHashTable *tags_unset_table;
182 GSList *ok_flags;
183
184 };
185
186 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
187 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
188
189 static void imap_folder_init (Folder *folder,
190 const gchar *name,
191 const gchar *path);
192
193 static Folder *imap_folder_new (const gchar *name,
194 const gchar *path);
195 static void imap_folder_destroy (Folder *folder);
196
197 static IMAPSession *imap_session_new (Folder *folder,
198 const PrefsAccount *account);
199 static gint imap_session_authenticate(IMAPSession *session,
200 PrefsAccount *account);
201 static void imap_session_destroy (Session *session);
202
203 static gchar *imap_fetch_msg (Folder *folder,
204 FolderItem *item,
205 gint uid);
206 static gchar *imap_fetch_msg_full (Folder *folder,
207 FolderItem *item,
208 gint uid,
209 gboolean headers,
210 gboolean body);
211 static void imap_remove_cached_msg (Folder *folder,
212 FolderItem *item,
213 MsgInfo *msginfo);
214 static gint imap_add_msg (Folder *folder,
215 FolderItem *dest,
216 const gchar *file,
217 MsgFlags *flags);
218 static gint imap_add_msgs (Folder *folder,
219 FolderItem *dest,
220 GSList *file_list,
221 GHashTable *relation);
222
223 static gint imap_copy_msg (Folder *folder,
224 FolderItem *dest,
225 MsgInfo *msginfo);
226 static gint imap_copy_msgs (Folder *folder,
227 FolderItem *dest,
228 MsgInfoList *msglist,
229 GHashTable *relation);
230
231 static gint search_msgs (Folder *folder,
232 FolderItem *container,
233 MsgNumberList **msgs,
234 gboolean *on_server,
235 MatcherList *predicate,
236 SearchProgressNotify progress_cb,
237 gpointer progress_data);
238
239 static gint imap_remove_msg (Folder *folder,
240 FolderItem *item,
241 gint uid);
242 static gint imap_remove_msgs (Folder *folder,
243 FolderItem *dest,
244 MsgInfoList *msglist,
245 GHashTable *relation);
246 static gint imap_expunge (Folder *folder,
247 FolderItem *dest);
248 static gint imap_remove_all_msg (Folder *folder,
249 FolderItem *item);
250
251 static gboolean imap_is_msg_changed (Folder *folder,
252 FolderItem *item,
253 MsgInfo *msginfo);
254
255 static gint imap_close (Folder *folder,
256 FolderItem *item);
257
258 static gint imap_scan_tree (Folder *folder);
259
260 static gint imap_create_tree (Folder *folder);
261
262 static FolderItem *imap_create_folder (Folder *folder,
263 FolderItem *parent,
264 const gchar *name);
265 static gint imap_rename_folder (Folder *folder,
266 FolderItem *item,
267 const gchar *name);
268 static gint imap_remove_folder (Folder *folder,
269 FolderItem *item);
270
271 static FolderItem *imap_folder_item_new (Folder *folder);
272 static void imap_folder_item_destroy (Folder *folder,
273 FolderItem *item);
274
275 static IMAPSession *imap_session_get (Folder *folder);
276
277 static gint imap_auth (IMAPSession *session,
278 const gchar *user,
279 const gchar *pass,
280 IMAPAuthType type);
281
282 static gint imap_scan_tree_recursive (IMAPSession *session,
283 FolderItem *item,
284 gboolean subs_only);
285 static gint imap_scan_tree_recursive_dive (IMAPSession *session,
286 FolderItem *item,
287 gboolean subs_only);
288
289 static void imap_create_missing_folders (Folder *folder);
290 static FolderItem *imap_create_special_folder
291 (Folder *folder,
292 SpecialFolderItemType stype,
293 const gchar *name);
294
295 static gint imap_do_copy_msgs (Folder *folder,
296 FolderItem *dest,
297 MsgInfoList *msglist,
298 GHashTable *relation,
299 gboolean same_dest_ok);
300
301 static gint imap_do_remove_msgs (Folder *folder,
302 FolderItem *dest,
303 MsgInfoList *msglist,
304 GHashTable *relation);
305
306 static void imap_delete_all_cached_messages (FolderItem *item);
307 static void imap_set_batch (Folder *folder,
308 FolderItem *item,
309 gboolean batch);
310 static gint imap_set_message_flags (IMAPSession *session,
311 IMAPFolderItem *item,
312 MsgNumberList *numlist,
313 IMAPFlags flags,
314 GSList *tags,
315 gboolean is_set);
316 static gint imap_select (IMAPSession *session,
317 IMAPFolder *folder,
318 FolderItem *item,
319 gint *exists,
320 gint *recent,
321 gint *unseen,
322 guint32 *uid_validity,
323 gint *can_create_flags,
324 gboolean block);
325 static gint imap_status (IMAPSession *session,
326 IMAPFolder *folder,
327 const gchar *path,
328 IMAPFolderItem *item,
329 gint *messages,
330 guint32 *uid_next,
331 guint32 *uid_validity,
332 gint *unseen,
333 gboolean block);
334 static void imap_commit_tags (FolderItem *item,
335 MsgInfo *msginfo,
336 GSList *set_tags,
337 GSList *unset_tags);
338
339 static gchar imap_get_path_separator (IMAPSession *session,
340 IMAPFolder *folder,
341 const gchar *path,
342 gint *ok);
343 static gchar *imap_get_real_path (IMAPSession *session,
344 IMAPFolder *folder,
345 const gchar *path,
346 gint *ok);
347 #ifdef HAVE_LIBETPAN
348 static void imap_synchronise (FolderItem *item, gint days);
349 #endif
350 static gboolean imap_is_busy (Folder *folder);
351
352 static void imap_free_capabilities (IMAPSession *session);
353
354 /* low-level IMAP4rev1 commands */
355 static gint imap_cmd_login (IMAPSession *session,
356 const gchar *user,
357 const gchar *pass,
358 const gchar *type);
359 static gint imap_cmd_noop (IMAPSession *session);
360 #ifdef USE_GNUTLS
361 static gint imap_cmd_starttls (IMAPSession *session);
362 #endif
363 static gint imap_cmd_select (IMAPSession *session,
364 const gchar *folder,
365 gint *exists,
366 gint *recent,
367 gint *unseen,
368 guint32 *uid_validity,
369 gint *can_create_flags,
370 GSList **ok_flags,
371 gboolean block);
372 static gint imap_cmd_close (IMAPSession *session);
373 static gint imap_cmd_examine (IMAPSession *session,
374 const gchar *folder,
375 gint *exists,
376 gint *recent,
377 gint *unseen,
378 guint32 *uid_validity,
379 gboolean block);
380 static gint imap_cmd_create (IMAPSession *sock,
381 const gchar *folder);
382 static gint imap_cmd_rename (IMAPSession *sock,
383 const gchar *oldfolder,
384 const gchar *newfolder);
385 static gint imap_cmd_delete (IMAPSession *session,
386 const gchar *folder);
387 static gint imap_cmd_fetch (IMAPSession *sock,
388 guint32 uid,
389 const gchar *filename,
390 gboolean headers,
391 gboolean body);
392 static gint imap_cmd_append (IMAPSession *session,
393 IMAPFolderItem *item,
394 const gchar *destfolder,
395 const gchar *file,
396 IMAPFlags flags,
397 guint32 *new_uid);
398 static gint imap_cmd_copy (IMAPSession *session,
399 struct mailimap_set * set,
400 const gchar *destfolder,
401 struct mailimap_set ** source,
402 struct mailimap_set ** dest);
403 static gint imap_cmd_store (IMAPSession *session,
404 IMAPFolderItem *item,
405 struct mailimap_set * set,
406 IMAPFlags flags,
407 GSList *tags,
408 int do_add);
409 static gint imap_cmd_expunge (IMAPSession *session);
410
411 static void imap_path_separator_subst (gchar *str,
412 gchar separator);
413
414 static gboolean imap_rename_folder_func (GNode *node,
415 gpointer data);
416 static gint imap_get_num_list (Folder *folder,
417 FolderItem *item,
418 GSList **list,
419 gboolean *old_uids_valid);
420 static GSList *imap_get_msginfos (Folder *folder,
421 FolderItem *item,
422 GSList *msgnum_list);
423 static MsgInfo *imap_get_msginfo (Folder *folder,
424 FolderItem *item,
425 gint num);
426 static gboolean imap_scan_required (Folder *folder,
427 FolderItem *item);
428 static void imap_change_flags (Folder *folder,
429 FolderItem *item,
430 MsgInfo *msginfo,
431 MsgPermFlags newflags);
432 static gint imap_get_flags (Folder *folder,
433 FolderItem *item,
434 MsgInfoList *msglist,
435 GHashTable *msgflags);
436 static gchar *imap_item_get_path (Folder *folder,
437 FolderItem *item);
438 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item);
439
440
441 /* data types conversion libetpan <-> claws */
442 static GSList * imap_list_from_lep(IMAPFolder * folder,
443 clist * list, const gchar * real_path, gboolean all);
444 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist);
445 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist);
446 static GSList * imap_uid_list_from_lep(clist * list, gint* length);
447 static GSList * imap_uid_list_from_lep_tab(carray * list);
448 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
449 GHashTable * hash,
450 GHashTable *tags_hash);
451 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
452 FolderItem *item);
453 static void imap_lep_set_free(GSList *seq_list);
454 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags);
455
456 typedef struct _hashtable_data {
457 GSList *msglist;
458 IMAPFolderItem *item;
459 } hashtable_data;
460
461 static FolderClass imap_class;
462
463 FolderClass *imap_get_class(void)
464 {
465 if (imap_class.idstr == NULL) {
466 imap_class.type = F_IMAP;
467 imap_class.idstr = "imap";
468 imap_class.uistr = "IMAP";
469 imap_class.supports_server_search = TRUE;
470
471 /* Folder functions */
472 imap_class.new_folder = imap_folder_new;
473 imap_class.destroy_folder = imap_folder_destroy;
474 imap_class.scan_tree = imap_scan_tree;
475 imap_class.create_tree = imap_create_tree;
476
477 /* FolderItem functions */
478 imap_class.item_new = imap_folder_item_new;
479 imap_class.item_destroy = imap_folder_item_destroy;
480 imap_class.item_get_path = imap_item_get_path;
481 imap_class.create_folder = imap_create_folder;
482 imap_class.rename_folder = imap_rename_folder;
483 imap_class.remove_folder = imap_remove_folder;
484 imap_class.close = imap_close;
485 imap_class.get_num_list = imap_get_num_list;
486 imap_class.scan_required = imap_scan_required;
487 imap_class.set_xml = folder_set_xml;
488 imap_class.get_xml = folder_get_xml;
489 imap_class.item_set_xml = imap_item_set_xml;
490 imap_class.item_get_xml = imap_item_get_xml;
491
492 /* Message functions */
493 imap_class.get_msginfo = imap_get_msginfo;
494 imap_class.get_msginfos = imap_get_msginfos;
495 imap_class.fetch_msg = imap_fetch_msg;
496 imap_class.fetch_msg_full = imap_fetch_msg_full;
497 imap_class.add_msg = imap_add_msg;
498 imap_class.add_msgs = imap_add_msgs;
499 imap_class.copy_msg = imap_copy_msg;
500 imap_class.copy_msgs = imap_copy_msgs;
501 imap_class.search_msgs = search_msgs;
502 imap_class.remove_msg = imap_remove_msg;
503 imap_class.remove_msgs = imap_remove_msgs;
504 imap_class.expunge = imap_expunge;
505 imap_class.remove_all_msg = imap_remove_all_msg;
506 imap_class.is_msg_changed = imap_is_msg_changed;
507 imap_class.change_flags = imap_change_flags;
508 imap_class.get_flags = imap_get_flags;
509 imap_class.set_batch = imap_set_batch;
510 imap_class.synchronise = imap_synchronise;
511 imap_class.remove_cached_msg = imap_remove_cached_msg;
512 imap_class.commit_tags = imap_commit_tags;
513 }
514
515 return &imap_class;
516 }
517
518 static void imap_refresh_sensitivity (IMAPSession *session)
519 {
520 MainWindow *mainwin;
521
522 if (session->sens_update_block)
523 return;
524 mainwin = mainwindow_get_mainwindow();
525 if (mainwin) {
526 toolbar_main_set_sensitive(mainwin);
527 main_window_set_menu_sensitive(mainwin);
528 }
529 }
530
531 static void lock_session(IMAPSession *session)
532 {
533 if (session) {
534 debug_print("locking session %p (%d)\n", session, session->busy);
535 if (session->busy)
536 debug_print(" SESSION WAS LOCKED !! \n");
537 session->busy = TRUE;
538 imap_refresh_sensitivity(session);
539 } else {
540 debug_print("can't lock null session\n");
541 }
542 }
543
544 static void unlock_session(IMAPSession *session)
545 {
546 if (session) {
547 debug_print("unlocking session %p\n", session);
548 session->busy = FALSE;
549 imap_refresh_sensitivity(session);
550 } else {
551 debug_print("can't unlock null session\n");
552 }
553 }
554
555 static gboolean imap_ping(gpointer data)
556 {
557 Session *session = (Session *)data;
558 IMAPSession *imap_session = IMAP_SESSION(session);
559 int r;
560
561 if (session->state != SESSION_READY)
562 return FALSE;
563 if (imap_session->busy || !imap_session->authenticated)
564 return TRUE;
565
566 lock_session(imap_session);
567 r = imap_cmd_noop(imap_session);
568 unlock_session(imap_session);
569
570 return r == MAILIMAP_NO_ERROR;
571 }
572
573 static void imap_disc_session_destroy(IMAPSession *session)
574 {
575 RemoteFolder *rfolder = NULL;
576
577 if (session == NULL)
578 return;
579
580 rfolder = REMOTE_FOLDER(IMAP_SESSION(session)->folder);
581
582 if (rfolder == NULL)
583 return;
584 log_warning(LOG_PROTOCOL, _("IMAP connection broken\n"));
585 SESSION(session)->state = SESSION_DISCONNECTED;
586 SESSION(session)->sock = NULL;
587 }
588
589 static void imap_safe_destroy(IMAPSession *session)
590 {
591 if (!session->busy)
592 session_destroy(SESSION(session));
593 else
594 session->do_destroy = TRUE;
595 }
596
597 static gboolean is_fatal(int libetpan_errcode)
598 {
599 switch(libetpan_errcode) {
600 case MAILIMAP_ERROR_STREAM:
601 case MAILIMAP_ERROR_PROTOCOL:
602 case MAILIMAP_ERROR_PARSE:
603 case MAILIMAP_ERROR_BAD_STATE:
604 return TRUE;
605 default:
606 return FALSE;
607 }
608 }
609
610 #define MY_LOG_WARNING(concat_cmd, ...) \
611 msg = concat_cmd; \
612 log_warning(LOG_PROTOCOL, msg, __VA_ARGS__); \
613 g_free(msg);
614
615 static void imap_handle_error(Session *session, const gchar *server, int libetpan_errcode)
616 {
617 const gchar *session_server = (session ? session->server : NULL);
618 gchar *msg;
619
620 if (session_server == NULL)
621 session_server = server;
622 if (session_server == NULL)
623 session_server = "(null)";
624
625 switch(libetpan_errcode) {
626 case MAILIMAP_NO_ERROR:
627 return;
628 case MAILIMAP_NO_ERROR_AUTHENTICATED:
629 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("authenticated"), "\n", NULL), session_server)
630 break;
631 case MAILIMAP_NO_ERROR_NON_AUTHENTICATED:
632 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("not authenticated"), "\n", NULL), session_server)
633 break;
634 case MAILIMAP_ERROR_BAD_STATE:
635 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("bad state"), "\n", NULL), session_server)
636 break;
637 case MAILIMAP_ERROR_STREAM:
638 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("stream error"), "\n", NULL), session_server)
639 break;
640 case MAILIMAP_ERROR_PARSE:
641 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("parse error "
642 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server)
643 break;
644 case MAILIMAP_ERROR_CONNECTION_REFUSED:
645 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("connection refused"), "\n", NULL), session_server)
646 break;
647 case MAILIMAP_ERROR_MEMORY:
648 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("memory error"), "\n", NULL), session_server)
649 break;
650 case MAILIMAP_ERROR_FATAL:
651 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("fatal error"), "\n", NULL), session_server)
652 break;
653 case MAILIMAP_ERROR_PROTOCOL:
654 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("protocol error "
655 "(very probably non-RFC compliance from the server)"), "\n", NULL), session_server)
656 break;
657 case MAILIMAP_ERROR_DONT_ACCEPT_CONNECTION:
658 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("connection not accepted"), "\n", NULL), session_server)
659 break;
660 case MAILIMAP_ERROR_APPEND:
661 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("APPEND error"), "\n", NULL), session_server)
662 break;
663 case MAILIMAP_ERROR_NOOP:
664 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("NOOP error"), "\n", NULL), session_server)
665 break;
666 case MAILIMAP_ERROR_LOGOUT:
667 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LOGOUT error"), "\n", NULL), session_server)
668 break;
669 case MAILIMAP_ERROR_CAPABILITY:
670 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CAPABILITY error"), "\n", NULL), session_server)
671 break;
672 case MAILIMAP_ERROR_CHECK:
673 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CHECK error"), "\n", NULL), session_server)
674 break;
675 case MAILIMAP_ERROR_CLOSE:
676 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CLOSE error"), "\n", NULL), session_server)
677 break;
678 case MAILIMAP_ERROR_EXPUNGE:
679 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXPUNGE error"), "\n", NULL), session_server)
680 break;
681 case MAILIMAP_ERROR_COPY:
682 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("COPY error"), "\n", NULL), session_server)
683 break;
684 case MAILIMAP_ERROR_UID_COPY:
685 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID COPY error"), "\n", NULL), session_server)
686 break;
687 case MAILIMAP_ERROR_CREATE:
688 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("CREATE error"), "\n", NULL), session_server)
689 break;
690 case MAILIMAP_ERROR_DELETE:
691 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("DELETE error"), "\n", NULL), session_server)
692 break;
693 case MAILIMAP_ERROR_EXAMINE:
694 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXAMINE error"), "\n", NULL), session_server)
695 break;
696 case MAILIMAP_ERROR_FETCH:
697 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("FETCH error"), "\n", NULL), session_server)
698 break;
699 case MAILIMAP_ERROR_UID_FETCH:
700 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID FETCH error"), "\n", NULL), session_server)
701 break;
702 case MAILIMAP_ERROR_LIST:
703 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LIST error"), "\n", NULL), session_server)
704 break;
705 case MAILIMAP_ERROR_LOGIN:
706 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LOGIN error"), "\n", NULL), session_server)
707 break;
708 case MAILIMAP_ERROR_LSUB:
709 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("LSUB error"), "\n", NULL), session_server)
710 break;
711 case MAILIMAP_ERROR_RENAME:
712 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("RENAME error"), "\n", NULL), session_server)
713 break;
714 case MAILIMAP_ERROR_SEARCH:
715 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SEARCH error"), "\n", NULL), session_server)
716 break;
717 case MAILIMAP_ERROR_UID_SEARCH:
718 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID SEARCH error"), "\n", NULL), session_server)
719 break;
720 case MAILIMAP_ERROR_SELECT:
721 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SELECT error"), "\n", NULL), session_server)
722 break;
723 case MAILIMAP_ERROR_STATUS:
724 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STATUS error"), "\n", NULL), session_server)
725 break;
726 case MAILIMAP_ERROR_STORE:
727 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STORE error"), "\n", NULL), session_server)
728 break;
729 case MAILIMAP_ERROR_UID_STORE:
730 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UID STORE error"), "\n", NULL), session_server)
731 break;
732 case MAILIMAP_ERROR_SUBSCRIBE:
733 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SUBSCRIBE error"), "\n", NULL), session_server)
734 break;
735 case MAILIMAP_ERROR_UNSUBSCRIBE:
736 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("UNSUBSCRIBE error"), "\n", NULL), session_server)
737 break;
738 case MAILIMAP_ERROR_STARTTLS:
739 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("STARTTLS error"), "\n", NULL), session_server)
740 break;
741 case MAILIMAP_ERROR_INVAL:
742 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("INVAL error"), "\n", NULL), session_server)
743 break;
744 case MAILIMAP_ERROR_EXTENSION:
745 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("EXTENSION error"), "\n", NULL), session_server)
746 break;
747 case MAILIMAP_ERROR_SASL:
748 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("SASL error"), "\n", NULL), session_server)
749 break;
750 #ifdef USE_GNUTLS
751 case MAILIMAP_ERROR_SSL:
752 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("TLS error"), "\n", NULL), session_server)
753 break;
754 #endif
755 default:
756 MY_LOG_WARNING(g_strconcat(_("IMAP error on %s:"), " ", _("Unknown error [%d]"), "\n", NULL),
757 session_server, libetpan_errcode)
758 break;
759 }
760
761 if (session && is_fatal(libetpan_errcode)) {
762 imap_disc_session_destroy(IMAP_SESSION(session));
763 } else if (session && !is_fatal(libetpan_errcode)) {
764 if (IMAP_SESSION(session)->busy)
765 unlock_session(IMAP_SESSION(session));
766 }
767 }
768
769 #undef MY_LOG_WARNING
770
771 static Folder *imap_folder_new(const gchar *name, const gchar *path)
772 {
773 Folder *folder;
774
775 folder = (Folder *)g_new0(IMAPFolder, 1);
776 folder->klass = &imap_class;
777 imap_folder_init(folder, name, path);
778
779 return folder;
780 }
781
782 static void imap_folder_destroy(Folder *folder)
783 {
784 while (imap_folder_get_refcnt(folder) > 0)
785 gtk_main_iteration();
786
787 g_free(IMAP_FOLDER(folder)->search_charset);
788
789 folder_remote_folder_destroy(REMOTE_FOLDER(folder));
790 imap_done(folder);
791 }
792
793 static void imap_folder_init(Folder *folder, const gchar *name,
794 const gchar *path)
795 {
796 folder_remote_folder_init((Folder *)folder, name, path);
797 IMAP_FOLDER(folder)->search_charset_supported = TRUE;
798 IMAP_FOLDER(folder)->search_charset = g_strdup(conv_get_locale_charset_str_no_utf8());
799 }
800
801 static FolderItem *imap_folder_item_new(Folder *folder)
802 {
803 IMAPFolderItem *item;
804
805 item = g_new0(IMAPFolderItem, 1);
806 item->lastuid = 0;
807 item->uid_next = 0;
808 item->uid_list = NULL;
809
810 return (FolderItem *)item;
811 }
812
813 static void imap_folder_item_destroy(Folder *folder, FolderItem *_item)
814 {
815 IMAPFolderItem *item = (IMAPFolderItem *)_item;
816
817 g_return_if_fail(item != NULL);
818 g_slist_free(item->uid_list);
819
820 g_free(_item);
821 }
822
823 static gboolean imap_reset_uid_lists_func(GNode *node, gpointer data)
824 {
825 IMAPFolderItem *item = (IMAPFolderItem *)node->data;
826
827 item->lastuid = 0;
828 g_slist_free(item->uid_list);
829 item->uid_list = NULL;
830
831 return FALSE;
832 }
833
834 static void imap_reset_uid_lists(Folder *folder)
835 {
836 if(folder->node == NULL)
837 return;
838
839 /* Destroy all uid lists and rest last uid */
840 g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, imap_reset_uid_lists_func, NULL);
841 }
842
843 static int imap_get_capabilities(IMAPSession *session)
844 {
845 struct mailimap_capability_data *capabilities = NULL;
846 clistiter *cur;
847 int result;
848
849 if (session->capability != NULL)
850 return MAILIMAP_NO_ERROR;
851
852 result = imap_threaded_capability(session->folder, &capabilities);
853
854 if (result != MAILIMAP_NO_ERROR) {
855 return result;
856 }
857
858 if (capabilities == NULL || capabilities->cap_list == NULL) {
859 return MAILIMAP_NO_ERROR;
860 }
861
862 for(cur = clist_begin(capabilities->cap_list) ; cur != NULL ;
863 cur = clist_next(cur)) {
864 struct mailimap_capability * cap =
865 clist_content(cur);
866 if (!cap || cap->cap_data.cap_name == NULL)
867 continue;
868 session->capability = g_slist_append
869 (session->capability,
870 g_strdup(cap->cap_data.cap_name));
871 debug_print("got capa %s\n", cap->cap_data.cap_name);
872 }
873 mailimap_capability_data_free(capabilities);
874 return MAILIMAP_NO_ERROR;
875 }
876
877 static gboolean imap_has_capability(IMAPSession *session, const gchar *cap)
878 {
879 GSList *cur;
880 for (cur = session->capability; cur; cur = cur->next) {
881 if (!g_ascii_strcasecmp(cur->data, cap))
882 return TRUE;
883 }
884 return FALSE;
885 }
886
887 static gint imap_auth(IMAPSession *session, const gchar *user, const gchar *pass,
888 IMAPAuthType type)
889 {
890 gint ok = MAILIMAP_ERROR_LOGIN;
891 static time_t last_login_err = 0;
892 gchar *ext_info = "";
893 int r;
894 gchar *server = NULL;
895 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
896 imap_handle_error(SESSION(session), NULL, r);
897 return r;
898 }
899 server = g_strdup(SESSION(session)->server);
900 switch(type) {
901 case IMAP_AUTH_ANON:
902 ok = imap_cmd_login(session, user, pass, "ANONYMOUS");
903 break;
904 case IMAP_AUTH_CRAM_MD5:
905 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
906 break;
907 case IMAP_AUTH_DIGEST_MD5:
908 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
909 break;
910 case IMAP_AUTH_SCRAM_SHA1:
911 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
912 break;
913 case IMAP_AUTH_SCRAM_SHA224:
914 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-224");
915 break;
916 case IMAP_AUTH_SCRAM_SHA256:
917 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-256");
918 break;
919 case IMAP_AUTH_SCRAM_SHA384:
920 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-384");
921 break;
922 case IMAP_AUTH_SCRAM_SHA512:
923 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-512");
924 break;
925 case IMAP_AUTH_PLAIN:
926 ok = imap_cmd_login(session, user, pass, "PLAIN");
927 break;
928 #ifdef USE_GNUTLS
929 case IMAP_AUTH_OAUTH2:
930 ok = imap_cmd_login(session, user, pass, "XOAUTH2");
931 break;
932 #endif
933 case IMAP_AUTH_LOGIN:
934 ok = imap_cmd_login(session, user, pass, "LOGIN");
935 break;
936 case IMAP_AUTH_PLAINTEXT:
937 ok = imap_cmd_login(session, user, pass, "plaintext");
938 break;
939 case IMAP_AUTH_GSSAPI:
940 ok = imap_cmd_login(session, user, pass, "GSSAPI");
941 break;
942 default:
943 debug_print("capabilities:\n"
944 "\t ANONYMOUS %d\n"
945 "\t CRAM-MD5 %d\n"
946 "\t DIGEST-MD5 %d\n"
947 "\t SCRAM-SHA-1 %d\n"
948 "\t SCRAM-SHA-224 %d\n"
949 "\t SCRAM-SHA-256 %d\n"
950 "\t SCRAM-SHA-384 %d\n"
951 "\t SCRAM-SHA-512 %d\n"
952 "\t PLAIN %d\n"
953 #ifdef USE_GNUTLS
954 "\t OAUTH2 %d\n"
955 #endif
956 "\t LOGIN %d\n"
957 "\t GSSAPI %d\n",
958 imap_has_capability(session, "ANONYMOUS"),
959 imap_has_capability(session, "CRAM-MD5"),
960 imap_has_capability(session, "DIGEST-MD5"),
961 imap_has_capability(session, "SCRAM-SHA-1"),
962 imap_has_capability(session, "SCRAM-SHA-224"),
963 imap_has_capability(session, "SCRAM-SHA-256"),
964 imap_has_capability(session, "SCRAM-SHA-384"),
965 imap_has_capability(session, "SCRAM-SHA-512"),
966 imap_has_capability(session, "PLAIN"),
967 #ifdef USE_GNUTLS
968 imap_has_capability(session, "XOAUTH2"),
969 #endif
970 imap_has_capability(session, "LOGIN"),
971 imap_has_capability(session, "GSSAPI"));
972 if (imap_has_capability(session, "CRAM-MD5"))
973 ok = imap_cmd_login(session, user, pass, "CRAM-MD5");
974 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "DIGEST-MD5"))
975 ok = imap_cmd_login(session, user, pass, "DIGEST-MD5");
976 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-512"))
977 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-512");
978 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-384"))
979 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-384");
980 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-256"))
981 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-256");
982 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-224"))
983 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-224");
984 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "SCRAM-SHA-1"))
985 ok = imap_cmd_login(session, user, pass, "SCRAM-SHA-1");
986 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "PLAIN"))
987 ok = imap_cmd_login(session, user, pass, "PLAIN");
988 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "LOGIN"))
989 ok = imap_cmd_login(session, user, pass, "LOGIN");
990 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "GSSAPI"))
991 ok = imap_cmd_login(session, user, pass, "GSSAPI");
992 if (ok == MAILIMAP_ERROR_LOGIN) /* we always try plaintext login before giving up */
993 ok = imap_cmd_login(session, user, pass, "plaintext");
994 #ifdef USE_GNUTLS
995 if (ok == MAILIMAP_ERROR_LOGIN && imap_has_capability(session, "XOAUTH2"))
996 ok = imap_cmd_login(session, user, pass, "XOAUTH2");
997 #endif
998 }
999
1000 if (ok == MAILIMAP_NO_ERROR)
1001 session->authenticated = TRUE;
1002 else {
1003 if (type == IMAP_AUTH_CRAM_MD5) {
1004 ext_info = _("\n\nCRAM-MD5 logins only work if libetpan has been "
1005 "compiled with SASL support and the "
1006 "CRAM-MD5 SASL plugin is installed.");
1007 }
1008
1009 if (type == IMAP_AUTH_DIGEST_MD5) {
1010 ext_info = _("\n\nDIGEST-MD5 logins only work if libetpan has been "
1011 "compiled with SASL support and the "
1012 "DIGEST-MD5 SASL plugin is installed.");
1013 }
1014
1015 if (type == IMAP_AUTH_SCRAM_SHA1) {
1016 ext_info = _("\n\nSCRAM-SHA-1 logins only work if libetpan has been "
1017 "compiled with SASL support and the "
1018 "SCRAM SASL plugin is installed.");
1019 }
1020
1021 if (type == IMAP_AUTH_SCRAM_SHA224) {
1022 ext_info = _("\n\nSCRAM-SHA-224 logins only work if libetpan has been "
1023 "compiled with SASL support and the "
1024 "SCRAM SASL plugin is installed.");
1025 }
1026
1027 if (type == IMAP_AUTH_SCRAM_SHA256) {
1028 ext_info = _("\n\nSCRAM-SHA-256 logins only work if libetpan has been "
1029 "compiled with SASL support and the "
1030 "SCRAM SASL plugin is installed.");
1031 }
1032
1033 if (type == IMAP_AUTH_SCRAM_SHA384) {
1034 ext_info = _("\n\nSCRAM-SHA-384 logins only work if libetpan has been "
1035 "compiled with SASL support and the "
1036 "SCRAM SASL plugin is installed.");
1037 }
1038
1039 if (type == IMAP_AUTH_SCRAM_SHA512) {
1040 ext_info = _("\n\nSCRAM-SHA-512 logins only work if libetpan has been "
1041 "compiled with SASL support and the "
1042 "SCRAM SASL plugin is installed.");
1043 }
1044
1045 if (type == IMAP_AUTH_PLAIN) {
1046 ext_info = _("\n\nPLAIN logins only work if libetpan has been "
1047 "compiled with SASL support and the "
1048 "PLAIN SASL plugin is installed.");
1049 }
1050
1051 if (type == IMAP_AUTH_LOGIN) {
1052 ext_info = _("\n\nLOGIN logins only work if libetpan has been "
1053 "compiled with SASL support and the "
1054 "LOGIN SASL plugin is installed.");
1055 }
1056 #ifdef USE_GNUTLS
1057 if (type == IMAP_AUTH_OAUTH2) {
1058 ext_info = _("\n\nOAuth2 error. Check and correct your OAuth2 "
1059 "account preferences.");
1060 }
1061 #endif
1062 if (time(NULL) - last_login_err > 10) {
1063 if (!prefs_common.no_recv_err_panel) {
1064 alertpanel_error_log(_("Connection to %s failed: "
1065 "login refused.%s"),
1066 server, ext_info);
1067 } else {
1068 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
1069 "login refused.%s\n"),
1070 server, ext_info);
1071 }
1072 }
1073 last_login_err = time(NULL);
1074 }
1075 g_free(server);
1076 return ok;
1077 }
1078
1079 static IMAPSession *imap_reconnect_if_possible(Folder *folder, IMAPSession *session)
1080 {
1081 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1082 /* Check if this is the first try to establish a
1083 connection, if yes we don't try to reconnect */
1084 debug_print("reconnecting\n");
1085 if (rfolder->session == NULL) {
1086 log_warning(LOG_PROTOCOL, _("Connecting to %s failed"),
1087 folder->account->recv_server);
1088 SESSION(session)->sock = NULL;
1089 imap_safe_destroy(session);
1090 session = NULL;
1091 } else {
1092 rfolder->session = NULL;
1093 log_warning(LOG_PROTOCOL, _("IMAP connection to %s has been"
1094 " disconnected. Reconnecting...\n"),
1095 folder->account->recv_server);
1096 statusbar_print_all(_("IMAP connection to %s has been"
1097 " disconnected. Reconnecting...\n"),
1098 folder->account->recv_server);
1099 SESSION(session)->state = SESSION_DISCONNECTED;
1100 SESSION(session)->sock = NULL;
1101 imap_safe_destroy(session);
1102 /* Clear folders session to make imap_session_get create
1103 a new session, because of rfolder->session == NULL
1104 it will not try to reconnect again and so avoid an
1105 endless loop */
1106 debug_print("getting session...\n");
1107 session = imap_session_get(folder);
1108 rfolder->session = SESSION(session);
1109 statusbar_pop_all();
1110 }
1111 return session;
1112 }
1113
1114 static IMAPSession *imap_session_get(Folder *folder)
1115 {
1116 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
1117 IMAPSession *session = NULL;
1118 gint r = MAILIMAP_NO_ERROR;
1119
1120 g_return_val_if_fail(folder != NULL, NULL);
1121 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, NULL);
1122 g_return_val_if_fail(folder->account != NULL, NULL);
1123
1124 if (prefs_common.work_offline &&
1125 !inc_offline_should_override(FALSE,
1126 _("Claws Mail needs network access in order "
1127 "to access the IMAP server."))) {
1128 return NULL;
1129 }
1130
1131 /* check for deferred destroy */
1132 if (rfolder->session != NULL) {
1133 session = IMAP_SESSION(rfolder->session);
1134 if (!session->busy && session->do_destroy) {
1135 rfolder->session = NULL;
1136 imap_safe_destroy(session);
1137 session = NULL;
1138 }
1139 }
1140
1141 /* Make sure we have a session */
1142 if (rfolder->session != NULL && rfolder->session->state != SESSION_DISCONNECTED) {
1143 session = IMAP_SESSION(rfolder->session);
1144 } else if (rfolder->session != NULL && rfolder->session->state == SESSION_DISCONNECTED) {
1145 imap_safe_destroy(IMAP_SESSION(rfolder->session));
1146 rfolder->session = NULL;
1147 goto new_conn;
1148 } else if (rfolder->connecting) {
1149 debug_print("already connecting\n");
1150 return NULL;
1151 } else {
1152 new_conn:
1153 imap_reset_uid_lists(folder);
1154 if (time(NULL) - rfolder->last_failure <= 2)
1155 return NULL;
1156 rfolder->connecting = TRUE;
1157 session = imap_session_new(folder, folder->account);
1158 }
1159 if(session == NULL) {
1160 rfolder->last_failure = time(NULL);
1161 rfolder->connecting = FALSE;
1162 return NULL;
1163 }
1164
1165 /* Make sure session is authenticated */
1166 if (!IMAP_SESSION(session)->authenticated)
1167 r = imap_session_authenticate(IMAP_SESSION(session), folder->account);
1168
1169 if (r != MAILIMAP_NO_ERROR || (!is_fatal(r) && !IMAP_SESSION(session)->authenticated)) {
1170 rfolder->session = NULL;
1171 if (!is_fatal(r)) {
1172 imap_threaded_disconnect(session->folder);
1173 }
1174 SESSION(session)->state = SESSION_DISCONNECTED;
1175 SESSION(session)->sock = NULL;
1176 imap_safe_destroy(session);
1177 rfolder->last_failure = time(NULL);
1178 rfolder->connecting = FALSE;
1179 return NULL;
1180 }
1181
1182 /* I think the point of this code is to avoid sending a
1183 * keepalive if we've used the session recently and therefore
1184 * think it's still alive. Unfortunately, most of the code
1185 * does not yet check for errors on the socket, and so if the
1186 * connection drops we don't notice until the timeout expires.
1187 * A better solution than sending a NOOP every time would be
1188 * for every command to be prepared to retry until it is
1189 * successfully sent. -- mbp */
1190 if ((time(NULL) - SESSION(session)->last_access_time > SESSION_TIMEOUT_INTERVAL) || session->cancelled) {
1191 /* verify that the session is still alive */
1192 r = imap_cmd_noop(session);
1193
1194 if (r != MAILIMAP_NO_ERROR) {
1195 debug_print("disconnected!\n");
1196 if (!is_fatal(r))
1197 session = imap_reconnect_if_possible(folder, session);
1198 else {
1199 rfolder->session = NULL;
1200 rfolder->connecting = FALSE;
1201 SESSION(session)->state = SESSION_DISCONNECTED;
1202 SESSION(session)->sock = NULL;
1203 imap_safe_destroy(session);
1204 session = imap_session_get(folder);
1205 }
1206 }
1207 if (session)
1208 session->cancelled = FALSE;
1209 }
1210
1211 rfolder->session = SESSION(session);
1212 rfolder->connecting = FALSE;
1213
1214 return IMAP_SESSION(session);
1215 }
1216
1217 static IMAPSession *imap_session_new(Folder * folder,
1218 const PrefsAccount *account)
1219 {
1220 IMAPSession *session;
1221 ProxyInfo *proxy_info = NULL;
1222 gushort port;
1223 int r;
1224 int authenticated = FALSE;
1225 gchar *buf;
1226
1227 #ifdef USE_GNUTLS
1228 /* FIXME: IMAP over SSL only... */
1229 SSLType ssl_type;
1230
1231 port = account->set_imapport ? account->imapport
1232 : account->ssl_imap == SSL_TUNNEL ? IMAPS_PORT : IMAP4_PORT;
1233 ssl_type = account->ssl_imap;
1234 #else
1235 if (account->ssl_imap != SSL_NONE) {
1236 if (alertpanel_full(_("Insecure connection"),
1237 _("This connection is configured to be secured "
1238 "using TLS, but TLS is not available "
1239 "in this build of Claws Mail. \n\n"
1240 "Do you want to continue connecting to this "
1241 "server? The communication would not be "
1242 "secure."),
1243 NULL, _("_Cancel"), NULL, _("Con_tinue connecting"), NULL, NULL,
1244 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING) != G_ALERTALTERNATE)
1245 return NULL;
1246 }
1247 port = account->set_imapport ? account->imapport
1248 : IMAP4_PORT;
1249 #endif
1250
1251 imap_init(folder);
1252 IMAP_FOLDER(folder)->max_set_size = account->imap_batch_size;
1253 buf = g_strdup_printf(_("Account '%s': Connecting to IMAP server: %s:%d..."),
1254 folder->account->account_name, folder->account->recv_server,
1255 port);
1256 statusbar_print_all("%s", buf);
1257 log_message(LOG_PROTOCOL, "%s\n", buf);
1258 g_free(buf);
1259
1260 if (account->use_proxy) {
1261 if (account->use_default_proxy) {
1262 proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
1263 if (proxy_info->use_proxy_auth)
1264 proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
1265 PWS_CORE_PROXY_PASS);
1266 } else {
1267 proxy_info = (ProxyInfo *)&(account->proxy_info);
1268 if (proxy_info->use_proxy_auth)
1269 proxy_info->proxy_pass = passwd_store_get_account(account->account_id,
1270 PWS_ACCOUNT_PROXY_PASS);
1271 }
1272 }
1273
1274 #ifndef G_OS_WIN32
1275 if (account->set_tunnelcmd) {
1276 r = imap_threaded_connect_cmd(folder,
1277 account->tunnelcmd,
1278 account->recv_server,
1279 port);
1280 }
1281 else
1282 #endif
1283 {
1284 #ifdef USE_GNUTLS
1285
1286 if (ssl_type == SSL_TUNNEL) {
1287 r = imap_threaded_connect_ssl(folder,
1288 account->recv_server,
1289 port,
1290 proxy_info);
1291 }
1292 else
1293 #endif
1294 {
1295 r = imap_threaded_connect(folder,
1296 account->recv_server,
1297 port,
1298 proxy_info);
1299 }
1300 }
1301
1302 statusbar_pop_all();
1303 if (r == MAILIMAP_NO_ERROR_AUTHENTICATED) {
1304 authenticated = TRUE;
1305 }
1306 else if (r == MAILIMAP_NO_ERROR_NON_AUTHENTICATED) {
1307 authenticated = FALSE;
1308 }
1309 else {
1310 #ifdef USE_GNUTLS
1311 if (r == MAILIMAP_ERROR_SSL)
1312 log_error(LOG_PROTOCOL, _("TLS handshake failed\n"));
1313 else
1314 #endif
1315 imap_handle_error(NULL, account->recv_server, r);
1316
1317 if(!prefs_common.no_recv_err_panel) {
1318 alertpanel_error_log(_("Can't connect to IMAP server: %s:%d"),
1319 account->recv_server, port);
1320 } else {
1321 log_error(LOG_PROTOCOL, _("Can't connect to IMAP server: %s:%d\n"),
1322 account->recv_server, port);
1323 }
1324
1325 return NULL;
1326 }
1327
1328 session = g_new0(IMAPSession, 1);
1329 session_init(SESSION(session), account, FALSE);
1330 SESSION(session)->type = SESSION_IMAP;
1331 SESSION(session)->server = g_strdup(account->recv_server);
1332 SESSION(session)->port = port;
1333 SESSION(session)->sock = NULL;
1334 SESSION(session)->proxy_info = proxy_info;
1335 SESSION(session)->destroy = imap_session_destroy;
1336
1337 session->capability = NULL;
1338 session->authenticated = authenticated;
1339 session->mbox = NULL;
1340 session->exists = 0;
1341 session->recent = 0;
1342 session->expunge = 0;
1343 session->cmd_count = 0;
1344 session->folder = folder;
1345 IMAP_FOLDER(session->folder)->last_seen_separator = 0;
1346
1347 #ifdef USE_GNUTLS
1348 if (account->ssl_imap == SSL_STARTTLS) {
1349 gint ok;
1350
1351 ok = imap_cmd_starttls(session);
1352 if (ok != MAILIMAP_NO_ERROR) {
1353 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
1354 if (!is_fatal(ok)) {
1355 SESSION(session)->sock = NULL;
1356 imap_safe_destroy(session);
1357 }
1358 return NULL;
1359 }
1360
1361 imap_free_capabilities(session);
1362 session->authenticated = FALSE;
1363 session->uidplus = FALSE;
1364 session->cmd_count = 1;
1365 }
1366 SESSION(session)->use_tls_sni = account->use_tls_sni;
1367 #endif
1368
1369 log_message(LOG_PROTOCOL, "IMAP connection is %s-authenticated\n",
1370 (session->authenticated) ? "pre" : "un");
1371
1372 session_register_ping(SESSION(session), imap_ping);
1373
1374 return session;
1375 }
1376
1377 static gint imap_session_authenticate(IMAPSession *session,
1378 PrefsAccount *account)
1379 {
1380 gchar *pass, *acc_pass = NULL;
1381 gboolean failed = FALSE;
1382 gint ok = MAILIMAP_NO_ERROR;
1383 g_return_val_if_fail(account->userid != NULL, MAILIMAP_ERROR_BAD_STATE);
1384 #ifdef USE_OAUTH2
1385 if(account->imap_auth_type == IMAP_AUTH_OAUTH2)
1386 oauth2_check_passwds (account);
1387 #endif
1388 if (!password_get(account->userid, account->recv_server, "imap",
1389 SESSION(session)->port, &acc_pass)) {
1390 acc_pass = passwd_store_get_account(account->account_id,
1391 PWS_ACCOUNT_RECV);
1392 }
1393
1394 try_again:
1395 pass = acc_pass;
1396 if (!pass && account->imap_auth_type != IMAP_AUTH_ANON && account->imap_auth_type != IMAP_AUTH_GSSAPI) {
1397 gchar *tmp_pass;
1398 tmp_pass = input_dialog_query_password_keep(account->recv_server,
1399 account->userid,
1400 &(account->session_passwd));
1401 if (!tmp_pass) {
1402 return MAILIMAP_NO_ERROR;
1403 }
1404 Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return MAILIMAP_NO_ERROR;});
1405 g_free(tmp_pass);
1406 } else if (account->imap_auth_type == IMAP_AUTH_ANON || account->imap_auth_type == IMAP_AUTH_GSSAPI) {
1407 pass = "";
1408 }
1409 if ((ok = imap_auth(session, account->userid, pass, account->imap_auth_type)) != MAILIMAP_NO_ERROR) {
1410
1411 if (!failed && !is_fatal(ok)) {
1412 if (acc_pass != NULL) {
1413 memset(acc_pass, 0, strlen(acc_pass));
1414 g_free(acc_pass);
1415 acc_pass = NULL;
1416 }
1417 failed = TRUE;
1418 if (account->session_passwd != NULL) {
1419 g_free(account->session_passwd);
1420 account->session_passwd = NULL;
1421 }
1422 goto try_again;
1423 } else {
1424 if (prefs_common.no_recv_err_panel) {
1425 log_error(LOG_PROTOCOL, _("Couldn't login to IMAP server %s.\n"), account->recv_server);
1426 mainwindow_show_error();
1427 } else
1428 alertpanel_error_log(_("Couldn't login to IMAP server %s."), account->recv_server);
1429 }
1430
1431 if (acc_pass != NULL) {
1432 memset(acc_pass, 0, strlen(acc_pass));
1433 g_free(acc_pass);
1434 acc_pass = NULL;
1435 }
1436
1437 return ok;
1438 }
1439
1440 if (acc_pass) {
1441 memset(acc_pass, 0, strlen(acc_pass));
1442 g_free(acc_pass);
1443 }
1444 statusbar_pop_all();
1445 session->authenticated = TRUE;
1446 return MAILIMAP_NO_ERROR;
1447 }
1448
1449 static void imap_session_destroy(Session *session)
1450 {
1451 if (session->state != SESSION_DISCONNECTED)
1452 imap_threaded_disconnect(IMAP_SESSION(session)->folder);
1453
1454 imap_free_capabilities(IMAP_SESSION(session));
1455 g_free(IMAP_SESSION(session)->mbox);
1456 }
1457
1458 static gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
1459 {
1460 return imap_fetch_msg_full(folder, item, uid, TRUE, TRUE);
1461 }
1462
1463 static guint get_file_size_with_crs(const gchar *filename)
1464 {
1465 FILE *fp = NULL;
1466 guint cnt = 0;
1467 gchar buf[4096];
1468
1469 if (filename == NULL)
1470 return -1;
1471
1472 fp = claws_fopen(filename, "rb");
1473 if (!fp)
1474 return -1;
1475
1476 while (claws_fgets(buf, sizeof (buf), fp) != NULL) {
1477 cnt += strlen(buf);
1478 if (!strstr(buf, "\r\n") && strstr(buf, "\n"))
1479 cnt++;
1480 }
1481
1482 claws_fclose(fp);
1483 return cnt;
1484 }
1485
1486 static gchar *imap_get_cached_filename(FolderItem *item, guint msgnum)
1487 {
1488 gchar *path, *filename;
1489
1490 cm_return_val_if_fail(item != NULL, NULL);
1491
1492 path = folder_item_get_path(item);
1493
1494 if (!is_dir_exist(path)) {
1495 g_free(path);
1496 return NULL;
1497 }
1498
1499 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
1500
1501 if (is_dir_exist(filename)) {
1502 g_free(filename);
1503 filename = g_strconcat(path, G_DIR_SEPARATOR_S, ".", itos(msgnum), NULL);
1504 }
1505 g_free(path);
1506
1507 return filename;
1508 }
1509
1510 static void imap_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
1511 {
1512 gchar *filename;
1513
1514 filename = imap_get_cached_filename(item, msginfo->msgnum);
1515
1516 cm_return_if_fail(filename != NULL);
1517
1518 if (is_file_exist(filename)) {
1519 claws_unlink(filename);
1520 }
1521 g_free(filename);
1522 }
1523
1524 typedef struct _TagsData {
1525 gchar *str;
1526 GSList *msglist;
1527 IMAPFolderItem *item;
1528 } TagsData;
1529
1530 static void imap_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
1531 {
1532 IMAPSession *session;
1533 gint ok, can_create_tags;
1534 Folder *folder = NULL;
1535 TagsData *ht_data = NULL;
1536 GSList *cur;
1537
1538 g_return_if_fail(item != NULL);
1539 g_return_if_fail(msginfo != NULL);
1540
1541 folder = item->folder;
1542 debug_print("getting session...\n");
1543 session = imap_session_get(folder);
1544
1545 if (!session) {
1546 debug_print("can't get session\n");
1547 return;
1548 }
1549
1550 ok = imap_select(session, IMAP_FOLDER(folder), item,
1551 NULL, NULL, NULL, NULL, &can_create_tags, FALSE);
1552
1553 if (ok != MAILIMAP_NO_ERROR) {
1554 return;
1555 }
1556
1557
1558 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS)
1559 return;
1560
1561 if (IMAP_FOLDER_ITEM(item)->batching) {
1562 /* instead of performing an UID STORE command for each message change,
1563 * as a lot of them can change "together", we just fill in hashtables
1564 * and defer the treatment so that we're able to send only one
1565 * command.
1566 */
1567 debug_print("IMAP batch mode on, deferring tags change\n");
1568 for (cur = tags_set; cur; cur = cur->next) {
1569 gint cur_tag = GPOINTER_TO_INT(cur->data);
1570 if (cur_tag) {
1571 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_set_table,
1572 GINT_TO_POINTER(cur_tag));
1573 if (ht_data == NULL) {
1574 ht_data = g_new0(TagsData, 1);
1575 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1576 ht_data->item = IMAP_FOLDER_ITEM(item);
1577 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_set_table,
1578 GINT_TO_POINTER(cur_tag), ht_data);
1579 }
1580 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1581 }
1582 }
1583 for (cur = tags_unset; cur; cur = cur->next) {
1584 gint cur_tag = GPOINTER_TO_INT(cur->data);
1585 if (cur_tag) {
1586 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1587 GINT_TO_POINTER(cur_tag));
1588 if (ht_data == NULL) {
1589 ht_data = g_new0(TagsData, 1);
1590 ht_data->str = g_strdup(tags_get_tag(cur_tag));
1591 ht_data->item = IMAP_FOLDER_ITEM(item);
1592 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->tags_unset_table,
1593 GINT_TO_POINTER(cur_tag), ht_data);
1594 }
1595 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
1596 }
1597 }
1598 } else {
1599 GSList *list_set = NULL;
1600 GSList *list_unset = NULL;
1601 GSList numlist;
1602
1603 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
1604 numlist.next = NULL;
1605
1606 debug_print("IMAP changing tags NOW\n");
1607 for (cur = tags_set; cur; cur = cur->next) {
1608 gint cur_tag = GPOINTER_TO_INT(cur->data);
1609 const gchar *str = tags_get_tag(cur_tag);
1610 if (IS_NOT_RESERVED_TAG(str))
1611 list_set = g_slist_prepend(list_set, g_strdup(str));
1612 }
1613 if (list_set) {
1614 ok = imap_set_message_flags(session,
1615 IMAP_FOLDER_ITEM(item), &numlist, 0, list_set, TRUE);
1616 slist_free_strings_full(list_set);
1617 if (ok != MAILIMAP_NO_ERROR) {
1618 return;
1619 }
1620 }
1621
1622 for (cur = tags_unset; cur; cur = cur->next) {
1623 gint cur_tag = GPOINTER_TO_INT(cur->data);
1624 const gchar *str = tags_get_tag(cur_tag);
1625 if (IS_NOT_RESERVED_TAG(str))
1626 list_unset = g_slist_prepend(list_unset, g_strdup(str));
1627 }
1628 if (list_unset) {
1629 ok = imap_set_message_flags(session,
1630 IMAP_FOLDER_ITEM(item), &numlist, 0, list_unset, FALSE);
1631 slist_free_strings_full(list_unset);
1632 if (ok != MAILIMAP_NO_ERROR) {
1633 return;
1634 }
1635 }
1636 }
1637 }
1638
1639 static gchar *imap_fetch_msg_full(Folder *folder, FolderItem *item, gint uid,
1640 gboolean headers, gboolean body)
1641 {
1642 gchar *path, *filename;
1643 IMAPSession *session;
1644 gint ok;
1645
1646 g_return_val_if_fail(folder != NULL, NULL);
1647 g_return_val_if_fail(item != NULL, NULL);
1648
1649 if (uid == 0)
1650 return NULL;
1651
1652 path = folder_item_get_path(item);
1653 if (!is_dir_exist(path)) {
1654 if(is_file_exist(path))
1655 claws_unlink(path);
1656 make_dir_hier(path);
1657 }
1658 g_free(path);
1659
1660 filename = imap_get_cached_filename(item, uid);
1661 debug_print("trying to fetch cached %s\n", filename);
1662
1663 if (is_file_exist(filename)) {
1664 /* see whether the local file represents the whole message
1665 * or not. As the IMAP server reports size with \r chars,
1666 * we have to update the local file (UNIX \n only) size */
1667 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1668 guint have_size = -1;
1669
1670 if (cached)
1671 debug_print("message %d has been already %scached.\n", uid,
1672 MSG_IS_FULLY_CACHED(cached->flags) ? "fully ":"");
1673
1674 if (!cached || !MSG_IS_FULLY_CACHED(cached->flags)) {
1675 have_size = get_file_size_with_crs(filename);
1676 if (cached && (cached->size <= have_size || !body)) {
1677 ok = file_strip_crs(filename);
1678 if (ok == 0 && cached && cached->size <= have_size) {
1679 /* we have it all and stripped */
1680 debug_print("...fully cached in fact (%u/%"G_GOFFSET_FORMAT"); setting flag.\n",
1681 have_size, cached->size);
1682 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1683 }
1684 procmsg_msginfo_free(&cached);
1685 return filename;
1686 } else if (!cached && time(NULL) - get_file_mtime(filename) < 60) {
1687 debug_print("message not cached and file recent, considering file complete\n");
1688 ok = file_strip_crs(filename);
1689 if (ok == 0)
1690 return filename;
1691 } else {
1692 procmsg_msginfo_free(&cached);
1693 }
1694 }
1695 if (cached && MSG_IS_FULLY_CACHED(cached->flags)) {
1696 procmsg_msginfo_free(&cached);
1697 return filename;
1698 }
1699 } else {
1700 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1701 if (cached) {
1702 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1703 procmsg_msginfo_free(&cached);
1704 }
1705 }
1706
1707 debug_print("getting session...\n");
1708 session = imap_session_get(folder);
1709
1710 if (!session) {
1711 g_free(filename);
1712 return NULL;
1713 }
1714 session_set_access_time(SESSION(session));
1715 lock_session(session); /* unlocked later in the function */
1716
1717 debug_print("IMAP fetching messages\n");
1718 ok = imap_select(session, IMAP_FOLDER(folder), item,
1719 NULL, NULL, NULL, NULL, NULL, FALSE);
1720 if (ok != MAILIMAP_NO_ERROR) {
1721 g_warning("can't select mailbox %s", item->path);
1722 g_free(filename);
1723 return NULL;
1724 }
1725
1726 session_set_access_time(SESSION(session));
1727
1728 debug_print("getting message %d...\n", uid);
1729 ok = imap_cmd_fetch(session, (guint32)uid, filename, headers, body);
1730
1731 if (ok != MAILIMAP_NO_ERROR) {
1732 g_warning("can't fetch message %d", uid);
1733 g_free(filename);
1734 return NULL;
1735 }
1736
1737 session_set_access_time(SESSION(session));
1738 unlock_session(session);
1739
1740 ok = file_strip_crs(filename);
1741
1742 if (ok == 0 && headers && body) {
1743 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1744 if (cached) {
1745 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1746 procmsg_msginfo_free(&cached);
1747 }
1748 } else if (ok == -1) {
1749 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1750 if (cached) {
1751 procmsg_msginfo_unset_flags(cached, MSG_FULLY_CACHED, 0);
1752 procmsg_msginfo_free(&cached);
1753 }
1754 }
1755 return filename;
1756 }
1757
1758 static gboolean imap_is_msg_fully_cached(Folder *folder, FolderItem *item, gint uid)
1759 {
1760 gchar *filename;
1761 guint size = 0;
1762 MsgInfo *cached = msgcache_get_msg(item->cache,uid);
1763
1764 if (!cached)
1765 return FALSE;
1766
1767 if (MSG_IS_FULLY_CACHED(cached->flags)) {
1768 procmsg_msginfo_free(&cached);
1769 return TRUE;
1770 }
1771
1772 filename = imap_get_cached_filename(item, uid);
1773
1774 if (is_file_exist(filename)) {
1775 if (cached && cached->total_size == cached->size) {
1776 /* fast path */
1777 g_free(filename);
1778 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1779 return TRUE;
1780 }
1781 size = get_file_size_with_crs(filename);
1782 }
1783 g_free(filename);
1784 debug_print("msg %d cached, has size %d, full should be %"G_GOFFSET_FORMAT".\n", uid, size, cached->size);
1785 if (cached && size >= cached->size) {
1786 cached->total_size = cached->size;
1787 procmsg_msginfo_set_flags(cached, MSG_FULLY_CACHED, 0);
1788 procmsg_msginfo_free(&cached);
1789 return TRUE;
1790 }
1791 if (cached)
1792 procmsg_msginfo_free(&cached);
1793 return FALSE;
1794 }
1795
1796 void imap_cache_msg(FolderItem *item, gint msgnum)
1797 {
1798 Folder *folder = NULL;
1799
1800 if (!item)
1801 return;
1802 folder = item->folder;
1803
1804 if (!imap_is_msg_fully_cached(folder, item, msgnum)) {
1805 gchar *tmp = imap_fetch_msg_full(folder, item, msgnum, TRUE, TRUE);
1806 debug_print("fetched %s\n", tmp);
1807 g_free(tmp);
1808 }
1809 }
1810
1811 static gint imap_add_msg(Folder *folder, FolderItem *dest,
1812 const gchar *file, MsgFlags *flags)
1813 {
1814 gint ret;
1815 GSList file_list;
1816 MsgFileInfo fileinfo;
1817
1818 g_return_val_if_fail(file != NULL, -1);
1819
1820 fileinfo.msginfo = NULL;
1821 fileinfo.file = (gchar *)file;
1822 fileinfo.flags = flags;
1823 file_list.data = &fileinfo;
1824 file_list.next = NULL;
1825
1826 ret = imap_add_msgs(folder, dest, &file_list, NULL);
1827 return ret;
1828 }
1829
1830 static gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
1831 GHashTable *relation)
1832 {
1833 gchar *destdir;
1834 IMAPSession *session;
1835 guint32 last_uid = 0;
1836 GSList *cur;
1837 MsgFileInfo *fileinfo;
1838 gint ok = MAILIMAP_NO_ERROR;
1839 gint curnum = 0, total = 0;
1840 gboolean missing_uids = FALSE;
1841
1842 g_return_val_if_fail(folder != NULL, -1);
1843 g_return_val_if_fail(dest != NULL, -1);
1844 g_return_val_if_fail(file_list != NULL, -1);
1845
1846 debug_print("getting session...\n");
1847 session = imap_session_get(folder);
1848 if (!session) {
1849 return -1;
1850 }
1851 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
1852 if (is_fatal(ok)) {
1853 g_free(destdir);
1854 return -1;
1855 }
1856 statusbar_print_all(_("Adding messages..."));
1857 total = g_slist_length(file_list);
1858 for (cur = file_list; cur != NULL; cur = cur->next) {
1859 IMAPFlags iflags = 0;
1860 guint32 new_uid = 0;
1861 gchar *real_file = NULL;
1862 fileinfo = (MsgFileInfo *)cur->data;
1863
1864 statusbar_progress_all(curnum, total, total < 10 ? 1:10);
1865 curnum++;
1866
1867 if (fileinfo->flags) {
1868 if (MSG_IS_MARKED(*fileinfo->flags))
1869 iflags |= IMAP_FLAG_FLAGGED;
1870 if (MSG_IS_REPLIED(*fileinfo->flags))
1871 iflags |= IMAP_FLAG_ANSWERED;
1872 if (MSG_IS_FORWARDED(*fileinfo->flags))
1873 iflags |= IMAP_FLAG_FORWARDED;
1874 if (MSG_IS_SPAM(*fileinfo->flags))
1875 iflags |= IMAP_FLAG_SPAM;
1876 else
1877 iflags |= IMAP_FLAG_HAM;
1878 if (!MSG_IS_UNREAD(*fileinfo->flags))
1879 iflags |= IMAP_FLAG_SEEN;
1880
1881 }
1882
1883 if (real_file == NULL)
1884 real_file = g_strdup(fileinfo->file);
1885
1886 if (folder_has_parent_of_type(dest, F_QUEUE) ||
1887 folder_has_parent_of_type(dest, F_OUTBOX) ||
1888 folder_has_parent_of_type(dest, F_DRAFT) ||
1889 folder_has_parent_of_type(dest, F_TRASH))
1890 iflags |= IMAP_FLAG_SEEN;
1891
1892 ok = imap_cmd_append(session, IMAP_FOLDER_ITEM(dest), destdir, real_file, iflags,
1893 &new_uid);
1894
1895 if (ok != MAILIMAP_NO_ERROR) {
1896 g_warning("can't append message %s", real_file);
1897 g_free(real_file);
1898 g_free(destdir);
1899 statusbar_progress_all(0,0,0);
1900 statusbar_pop_all();
1901 return -1;
1902 } else {
1903 debug_print("appended new message as %d\n", new_uid);
1904 /* put the local file in the imapcache, so that we don't
1905 * have to fetch it back later. */
1906
1907 if (new_uid == 0) {
1908 missing_uids = TRUE;
1909 debug_print("Missing UID (0)\n");
1910 }
1911 if (new_uid > 0) {
1912 gchar *cache_path = folder_item_get_path(dest);
1913 if (!is_dir_exist(cache_path))
1914 make_dir_hier(cache_path);
1915 if (is_dir_exist(cache_path)) {
1916 gchar *cache_file = g_strconcat(
1917 cache_path, G_DIR_SEPARATOR_S,
1918 itos(new_uid), NULL);
1919 copy_file(real_file, cache_file, TRUE);
1920 debug_print("got UID %d, copied to cache: %s\n", new_uid, cache_file);
1921 g_free(cache_file);
1922 }
1923 g_free(cache_path);
1924 }
1925 }
1926
1927 if (relation != NULL)
1928 g_hash_table_insert(relation, fileinfo->msginfo != NULL ?
1929 (gpointer) fileinfo->msginfo : (gpointer) fileinfo,
1930 GINT_TO_POINTER(new_uid));
1931 if (last_uid < new_uid) {
1932 last_uid = new_uid;
1933 }
1934
1935 g_free(real_file);
1936 }
1937
1938 statusbar_progress_all(0,0,0);
1939 statusbar_pop_all();
1940
1941
1942 g_free(destdir);
1943
1944 imap_scan_required(folder, dest);
1945
1946 session = imap_session_get(folder);
1947 if (!session) {
1948 return -1;
1949 }
1950 if (missing_uids) {
1951 gint a;
1952 ok = imap_select(session, IMAP_FOLDER(folder), dest,
1953 &a, NULL, NULL, NULL, NULL, FALSE);
1954 }
1955 return last_uid;
1956 }
1957
1958 static GSList *flatten_mailimap_set(struct mailimap_set * set)
1959 {
1960 GSList *result = NULL;
1961 clistiter *list;
1962 guint32 start, end, t;
1963 GSList *cur;
1964
1965 if (!set || !set->set_list)
1966 return NULL;
1967
1968 for (list = clist_begin(set->set_list); list; list = clist_next(list)) {
1969 struct mailimap_set_item *item = (struct mailimap_set_item *)clist_content(list);
1970 start = item->set_first;
1971 end = item->set_last;
1972 if (start <= end) {
1973 for (t = start; t <= end; t++) {
1974 result = g_slist_prepend(result, GINT_TO_POINTER(t));
1975 }
1976 }
1977 }
1978 result = g_slist_reverse(result);
1979 if (debug_get_mode()) {
1980 debug_print("flat imap set: ");
1981 for (cur = result; cur; cur = cur->next) {
1982 debug_print("%d ", GPOINTER_TO_INT(cur->data));
1983 }
1984 debug_print("\n");
1985 }
1986
1987 return result;
1988 }
1989 static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
1990 MsgInfoList *msglist, GHashTable *relation,
1991 gboolean same_dest_ok)
1992 {
1993 FolderItem *src;
1994 gchar *destdir;
1995 GSList *seq_list, *cur;
1996 MsgInfo *msginfo;
1997 IMAPSession *session;
1998 gint ok = MAILIMAP_NO_ERROR;
1999 GHashTable *uid_hash;
2000 gint last_num = 0;
2001
2002 g_return_val_if_fail(folder != NULL, -1);
2003 g_return_val_if_fail(dest != NULL, -1);
2004 g_return_val_if_fail(msglist != NULL, -1);
2005
2006 debug_print("getting session...\n");
2007 session = imap_session_get(folder);
2008
2009 if (!session) {
2010 return -1;
2011 }
2012
2013 msginfo = (MsgInfo *)msglist->data;
2014 src = msginfo->folder;
2015 if (!same_dest_ok && src == dest) {
2016 g_warning("the src folder is identical to the dest");
2017 return -1;
2018 }
2019
2020 if (src->folder != dest->folder) {
2021 GSList *infolist = NULL, *cur;
2022 int res = -1;
2023 for (cur = msglist; cur; cur = cur->next) {
2024 msginfo = (MsgInfo *)cur->data;
2025 MsgFileInfo *fileinfo = g_new0(MsgFileInfo, 1);
2026 fileinfo->file = procmsg_get_message_file(msginfo);
2027 fileinfo->flags = &(msginfo->flags);
2028 infolist = g_slist_prepend(infolist, fileinfo);
2029 }
2030 infolist = g_slist_reverse(infolist);
2031 res = folder_item_add_msgs(dest, infolist, FALSE);
2032 for (cur = infolist; cur; cur = cur->next) {
2033 MsgFileInfo *info = (MsgFileInfo *)cur->data;
2034 g_free(info->file);
2035 g_free(info);
2036 }
2037 g_slist_free(infolist);
2038 return res;
2039 }
2040
2041 lock_session(session); /* unlocked later in the function */
2042
2043 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
2044 NULL, NULL, NULL, NULL, NULL, FALSE);
2045 if (ok != MAILIMAP_NO_ERROR) {
2046 return ok;
2047 }
2048
2049 unlock_session(session);
2050
2051 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
2052
2053 if (is_fatal(ok)) {
2054 g_free(destdir);
2055 return ok;
2056 }
2057
2058 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msglist);
2059 uid_hash = g_hash_table_new(g_direct_hash, g_direct_equal);
2060
2061 statusbar_print_all(_("Copying messages..."));
2062 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
2063 struct mailimap_set * seq_set;
2064 struct mailimap_set * source = NULL;
2065 struct mailimap_set * dest = NULL;
2066 seq_set = cur->data;
2067
2068 debug_print("Copying messages from %s to %s ...\n",
2069 src->path, destdir);
2070
2071 lock_session(session); /* unlocked later in the function */
2072 ok = imap_cmd_copy(session, seq_set, destdir,
2073 &source, &dest);
2074
2075 if (is_fatal(ok)) {
2076 session = NULL;
2077 }
2078
2079 if (ok == MAILIMAP_NO_ERROR) {
2080 unlock_session(session);
2081 if (relation && source && dest) {
2082 GSList *s_list = flatten_mailimap_set(source);
2083 GSList *d_list = flatten_mailimap_set(dest);
2084 GSList *s_cur, *d_cur;
2085 if (g_slist_length(s_list) == g_slist_length(d_list)) {
2086
2087 for (s_cur = s_list, d_cur = d_list;
2088 s_cur && d_cur;
2089 s_cur = s_cur->next, d_cur = d_cur->next) {
2090 g_hash_table_insert(uid_hash, s_cur->data, d_cur->data);
2091 }
2092
2093 } else {
2094 debug_print("hhhmm, source list length != dest list length.\n");
2095 }
2096 g_slist_free(s_list);
2097 g_slist_free(d_list);
2098 }
2099 }
2100
2101
2102 if (source)
2103 mailimap_set_free(source);
2104 if (dest)
2105 mailimap_set_free(dest);
2106
2107 if (ok != MAILIMAP_NO_ERROR) {
2108 g_hash_table_destroy(uid_hash);
2109 imap_lep_set_free(seq_list);
2110 statusbar_pop_all();
2111 return -1;
2112 }
2113 }
2114
2115 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
2116 MsgInfo *msginfo = (MsgInfo *)cur->data;
2117 gpointer hashval;
2118
2119 hashval = g_hash_table_lookup(uid_hash, GINT_TO_POINTER(msginfo->msgnum));
2120
2121 if (hashval != NULL) {
2122 gint num = GPOINTER_TO_INT(hashval);
2123 g_hash_table_insert(relation, msginfo,
2124 GINT_TO_POINTER(num));
2125 if (num > last_num)
2126 last_num = num;
2127 debug_print("copied message %d as %d\n", msginfo->msgnum, num);
2128 /* put the local file in the imapcache, so that we don't
2129 * have to fetch it back later. */
2130 if (num > 0) {
2131 gchar *cache_path = folder_item_get_path(msginfo->folder);
2132 gchar *real_file = g_strconcat(
2133 cache_path, G_DIR_SEPARATOR_S,
2134 itos(msginfo->msgnum), NULL);
2135 gchar *cache_file = NULL;
2136 g_free(cache_path);
2137 cache_path = folder_item_get_path(dest);
2138 cache_file = g_strconcat(
2139 cache_path, G_DIR_SEPARATOR_S,
2140 itos(num), NULL);
2141 if (!is_dir_exist(cache_path))
2142 make_dir_hier(cache_path);
2143 if (is_file_exist(real_file) && is_dir_exist(cache_path)) {
2144 if (copy_file(real_file, cache_file, TRUE) < 0)
2145 debug_print("couldn't cache to %s: %s\n", cache_file,
2146 strerror(errno));
2147 else
2148 debug_print("copied to cache: %s\n", cache_file);
2149 }
2150 g_free(real_file);
2151 g_free(cache_file);
2152 g_free(cache_path);
2153 }
2154 } else
2155 g_hash_table_insert(relation, msginfo,
2156 GINT_TO_POINTER(0));
2157 }
2158 statusbar_pop_all();
2159
2160 g_hash_table_destroy(uid_hash);
2161 imap_lep_set_free(seq_list);
2162
2163 g_free(destdir);
2164
2165 IMAP_FOLDER_ITEM(dest)->lastuid = 0;
2166 IMAP_FOLDER_ITEM(dest)->uid_next = 0;
2167 g_slist_free(IMAP_FOLDER_ITEM(dest)->uid_list);
2168 IMAP_FOLDER_ITEM(dest)->uid_list = NULL;
2169
2170 imap_scan_required(folder, dest);
2171 if (ok == MAILIMAP_NO_ERROR)
2172 return last_num;
2173 else
2174 return -1;
2175 }
2176
2177 static gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
2178 {
2179 GSList msglist;
2180
2181 g_return_val_if_fail(msginfo != NULL, -1);
2182
2183 msglist.data = msginfo;
2184 msglist.next = NULL;
2185
2186 return imap_copy_msgs(folder, dest, &msglist, NULL);
2187 }
2188
2189 static gint imap_copy_msgs(Folder *folder, FolderItem *dest,
2190 MsgInfoList *msglist, GHashTable *relation)
2191 {
2192 MsgInfo *msginfo;
2193 gint ret;
2194
2195 g_return_val_if_fail(folder != NULL, -1);
2196 g_return_val_if_fail(dest != NULL, -1);
2197 g_return_val_if_fail(msglist != NULL, -1);
2198
2199 msginfo = (MsgInfo *)msglist->data;
2200 g_return_val_if_fail(msginfo->folder != NULL, -1);
2201
2202 ret = imap_do_copy_msgs(folder, dest, msglist, relation, FALSE);
2203 return ret;
2204 }
2205
2206 static gboolean imap_matcher_type_is_local(gint matchertype)
2207 {
2208 switch (matchertype) {
2209 case MATCHCRITERIA_FROM:
2210 case MATCHCRITERIA_TO:
2211 case MATCHCRITERIA_CC:
2212 case MATCHCRITERIA_TO_OR_CC:
2213 case MATCHCRITERIA_SUBJECT:
2214 case MATCHCRITERIA_REFERENCES:
2215 case MATCHCRITERIA_MESSAGEID:
2216 case MATCHCRITERIA_INREPLYTO:
2217 case MATCHCRITERIA_AGE_GREATER:
2218 case MATCHCRITERIA_AGE_LOWER:
2219 case MATCHCRITERIA_FORWARDED:
2220 case MATCHCRITERIA_SPAM:
2221 case MATCHCRITERIA_UNREAD:
2222 case MATCHCRITERIA_NEW:
2223 case MATCHCRITERIA_MARKED:
2224 case MATCHCRITERIA_REPLIED:
2225 case MATCHCRITERIA_DELETED:
2226 case MATCHCRITERIA_SIZE_GREATER:
2227 case MATCHCRITERIA_SIZE_SMALLER:
2228 case MATCHCRITERIA_SIZE_EQUAL:
2229 return TRUE;
2230 }
2231 return FALSE;
2232 }
2233
2234 static IMAPSearchKey* search_make_key(MatcherProp* match, gboolean* is_all)
2235 {
2236 if (match->matchtype == MATCHTYPE_MATCHCASE || match->matchtype == MATCHTYPE_MATCH) {
2237 IMAPSearchKey* result = NULL;
2238 gboolean invert = FALSE;
2239 gint matchertype = match->criteria;
2240
2241 if (is_all) {
2242 *is_all = FALSE;
2243 }
2244
2245 switch (matchertype) {
2246 case MATCHCRITERIA_NOT_NEW: invert = TRUE; matchertype = MATCHCRITERIA_NEW; break;
2247 case MATCHCRITERIA_NOT_MARKED: invert = TRUE; matchertype = MATCHCRITERIA_MARKED; break;
2248 case MATCHCRITERIA_NOT_FORWARDED: invert = TRUE; matchertype = MATCHCRITERIA_FORWARDED; break;
2249 case MATCHCRITERIA_NOT_SPAM: invert = TRUE; matchertype = MATCHCRITERIA_SPAM; break;
2250 case MATCHCRITERIA_NOT_SUBJECT: invert = TRUE; matchertype = MATCHCRITERIA_SUBJECT; break;
2251 case MATCHCRITERIA_NOT_FROM: invert = TRUE; matchertype = MATCHCRITERIA_FROM; break;
2252 case MATCHCRITERIA_NOT_TO: invert = TRUE; matchertype = MATCHCRITERIA_TO; break;
2253 case MATCHCRITERIA_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_CC; break;
2254 case MATCHCRITERIA_NOT_REFERENCES: invert = TRUE; matchertype = MATCHCRITERIA_REFERENCES; break;
2255 case MATCHCRITERIA_NOT_HEADER: invert = TRUE; matchertype = MATCHCRITERIA_HEADER; break;
2256 case MATCHCRITERIA_NOT_TAG: invert = TRUE; matchertype = MATCHCRITERIA_TAG; break;
2257 case MATCHCRITERIA_NOT_HEADERS_PART: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_PART; break;
2258 case MATCHCRITERIA_NOT_HEADERS_CONT: invert = TRUE; matchertype = MATCHCRITERIA_HEADERS_CONT; break;
2259 case MATCHCRITERIA_NOT_MESSAGE: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGE; break;
2260 case MATCHCRITERIA_NOT_BODY_PART: invert = TRUE; matchertype = MATCHCRITERIA_BODY_PART; break;
2261 case MATCHCRITERIA_NOT_TO_AND_NOT_CC: invert = TRUE; matchertype = MATCHCRITERIA_TO_OR_CC; break;
2262 case MATCHCRITERIA_NOT_MESSAGEID: invert = TRUE; matchertype = MATCHCRITERIA_MESSAGEID; break;
2263 case MATCHCRITERIA_NOT_INREPLYTO: invert = TRUE; matchertype = MATCHCRITERIA_INREPLYTO; break;
2264 }
2265
2266 /*
2267 * this aborts conversion even for predicates understood by the following code.
2268 * while that might seem wasteful, claws local search for information listed below
2269 * has proven faster than IMAP search plus network roundtrips. once this changes,
2270 * consider removing these exceptions.
2271 */
2272 if (imap_matcher_type_is_local(matchertype))
2273 return NULL;
2274
2275 /* the Message-ID header is also cached */
2276 if (matchertype == MATCHCRITERIA_HEADER && g_strcmp0("Message-ID", match->header) == 0) {
2277 return NULL;
2278 }
2279
2280 switch (matchertype) {
2281 case MATCHCRITERIA_FORWARDED:
2282 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_FORWARDED, 0);
2283 break;
2284
2285 case MATCHCRITERIA_SPAM:
2286 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, RTAG_JUNK, 0);
2287 break;
2288
2289 case MATCHCRITERIA_MESSAGEID:
2290 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "Message-ID", match->expr, 0);
2291 break;
2292
2293 case MATCHCRITERIA_INREPLYTO:
2294 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "In-Reply-To", match->expr, 0);
2295 break;
2296
2297 case MATCHCRITERIA_REFERENCES:
2298 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, "References", match->expr, 0);
2299 break;
2300
2301 case MATCHCRITERIA_TO_OR_CC:
2302 result = imap_search_or(
2303 imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0),
2304 imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0)
2305 );
2306 break;
2307
2308 case MATCHCRITERIA_HEADERS_PART:
2309 case MATCHCRITERIA_HEADERS_CONT:
2310 result = imap_search_and(
2311 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0)),
2312 imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0)
2313 );
2314 break;
2315
2316 case MATCHCRITERIA_SIZE_EQUAL:
2317 result = imap_search_and(
2318 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value)),
2319 imap_search_not(imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value))
2320 );
2321 break;
2322
2323 case MATCHCRITERIA_NOT_UNREAD:
2324 result = imap_search_new(IMAP_SEARCH_CRITERIA_READ, NULL, NULL, 0);
2325 break;
2326
2327 case MATCHCRITERIA_UNREAD:
2328 result = imap_search_new(IMAP_SEARCH_CRITERIA_UNREAD, NULL, NULL, 0);
2329 break;
2330
2331 case MATCHCRITERIA_NEW:
2332 result = imap_search_new(IMAP_SEARCH_CRITERIA_NEW, NULL, NULL, 0);
2333 break;
2334
2335 case MATCHCRITERIA_MARKED:
2336 result = imap_search_new(IMAP_SEARCH_CRITERIA_MARKED, NULL, NULL, 0);
2337 break;
2338
2339 case MATCHCRITERIA_DELETED:
2340 result = imap_search_new(IMAP_SEARCH_CRITERIA_DELETED, NULL, NULL, 0);
2341 break;
2342
2343 case MATCHCRITERIA_REPLIED:
2344 result = imap_search_new(IMAP_SEARCH_CRITERIA_REPLIED, NULL, NULL, 0);
2345 break;
2346
2347 case MATCHCRITERIA_TAG:
2348 {
2349 gchar *tmp = imap_utf8_to_modified_utf7(match->expr, TRUE);
2350 result = imap_search_new(IMAP_SEARCH_CRITERIA_TAG, NULL, tmp, 0);
2351 g_free(tmp);
2352 }
2353 break;
2354
2355 case MATCHCRITERIA_SUBJECT:
2356 result = imap_search_new(IMAP_SEARCH_CRITERIA_SUBJECT, NULL, match->expr, 0);
2357 break;
2358
2359 case MATCHCRITERIA_FROM:
2360 result = imap_search_new(IMAP_SEARCH_CRITERIA_FROM, NULL, match->expr, 0);
2361 break;
2362
2363 case MATCHCRITERIA_TO:
2364 result = imap_search_new(IMAP_SEARCH_CRITERIA_TO, NULL, match->expr, 0);
2365 break;
2366
2367 case MATCHCRITERIA_CC:
2368 result = imap_search_new(IMAP_SEARCH_CRITERIA_CC, NULL, match->expr, 0);
2369 break;
2370
2371 case MATCHCRITERIA_AGE_GREATER:
2372 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_GREATER, NULL, NULL, match->value);
2373 break;
2374
2375 case MATCHCRITERIA_AGE_LOWER:
2376 result = imap_search_new(IMAP_SEARCH_CRITERIA_AGE_LOWER, NULL, NULL, match->value);
2377 break;
2378
2379 case MATCHCRITERIA_BODY_PART:
2380 result = imap_search_new(IMAP_SEARCH_CRITERIA_BODY, NULL, match->expr, 0);
2381 break;
2382
2383 case MATCHCRITERIA_MESSAGE:
2384 result = imap_search_new(IMAP_SEARCH_CRITERIA_MESSAGE, NULL, match->expr, 0);
2385 break;
2386
2387 case MATCHCRITERIA_HEADER:
2388 result = imap_search_new(IMAP_SEARCH_CRITERIA_HEADER, match->header, match->expr, 0);
2389 break;
2390
2391 case MATCHCRITERIA_SIZE_GREATER:
2392 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_GREATER, NULL, NULL, match->value);
2393 break;
2394
2395 case MATCHCRITERIA_SIZE_SMALLER:
2396 result = imap_search_new(IMAP_SEARCH_CRITERIA_SIZE_SMALLER, NULL, NULL, match->value);
2397 break;
2398
2399 default:
2400 result = imap_search_new(IMAP_SEARCH_CRITERIA_ALL, NULL, NULL, 0);
2401 if (is_all) {
2402 *is_all = TRUE;
2403 }
2404 break;
2405 }
2406
2407 if (invert) {
2408 result = imap_search_not(result);
2409 if (is_all && *is_all) {
2410 *is_all = FALSE;
2411 }
2412 }
2413
2414 return result;
2415 }
2416
2417 return NULL;
2418 }
2419
2420 static void imap_change_search_charset(IMAPFolder *folder)
2421 {
2422 /* If server supports charset in searches, but the last used one failed,
2423 * changed to the next preferred charset. If none are still available,
2424 * disable charset searches.
2425 * Charsets are tried in the following order:
2426 * UTF-8, locale's charset, UTF-7.
2427 */
2428
2429 if (folder->search_charset_supported) {
2430 if (folder->search_charset && !strcmp(folder->search_charset, conv_get_locale_charset_str_no_utf8()))
2431 folder->search_charset = "UTF-8";
2432 else if (folder->search_charset && !strcmp(folder->search_charset, "UTF-8"))
2433 folder->search_charset = "UTF-7";
2434 else {
2435 folder->search_charset = NULL;
2436 folder->search_charset_supported = FALSE;
2437 }
2438 }
2439 }
2440
2441 static MatcherProp *imap_matcher_prop_set_charset(IMAPFolder *folder,
2442 MatcherProp *utf8_prop,
2443 gchar **charset)
2444 {
2445 /* If the match is going to be done locally, or the criteria is on
2446 * tag (special-cased to modified-UTF-7), or the expression searched
2447 * is ASCII, don't bother converting.
2448 */
2449 if (imap_matcher_type_is_local(utf8_prop->criteria)
2450 || utf8_prop->criteria == MATCHCRITERIA_TAG
2451 || utf8_prop->criteria == MATCHCRITERIA_NOT_TAG
2452 || utf8_prop->expr == NULL
2453 || is_ascii_str(utf8_prop->expr))
2454 return matcherprop_new(utf8_prop->criteria,
2455 utf8_prop->header,
2456 utf8_prop->matchtype,
2457 utf8_prop->expr,
2458 utf8_prop->value);
2459 else {
2460 gchar *conv_expr = NULL;
2461
2462 /* If the search is server-side and the server doesn't support
2463 * searching with the charsets we handle, bail out.
2464 */
2465 if (folder->search_charset_supported == FALSE)
2466 return NULL;
2467
2468 /* Else, convert. */
2469 if (*charset == NULL)
2470 *charset = g_strdup(folder->search_charset);
2471
2472 conv_expr = conv_codeset_strdup(utf8_prop->expr, CS_UTF_8, *charset);
2473
2474 if (conv_expr == NULL)
2475 conv_expr = g_strdup(utf8_prop->expr);
2476
2477 return matcherprop_new(utf8_prop->criteria,
2478 utf8_prop->header,
2479 utf8_prop->matchtype,
2480 conv_expr,
2481 utf8_prop->value);
2482 }
2483 }
2484
2485 static gint search_msgs (Folder *folder,
2486 FolderItem *container,
2487 MsgNumberList **msgs,
2488 gboolean *on_server,
2489 MatcherList *predicate,
2490 SearchProgressNotify progress_cb,
2491 gpointer progress_data)
2492 {
2493 IMAPSearchKey* key = NULL;
2494 GSList* cur;
2495 int result = -1;
2496 clist* uidlist = NULL;
2497 gboolean server_filtering_useless = FALSE;
2498 IMAPSession *session;
2499 gchar *charset_to_use = NULL;
2500
2501 if (on_server == NULL || !*on_server) {
2502 return folder_item_search_msgs_local(folder, container, msgs, on_server,
2503 predicate, progress_cb, progress_data);
2504 }
2505
2506 for (cur = predicate->matchers; cur != NULL; cur = cur->next) {
2507 IMAPSearchKey* matcherPart = NULL;
2508 MatcherProp* prop = (MatcherProp*) cur->data;
2509 gboolean is_all;
2510 MatcherProp *imap_prop = imap_matcher_prop_set_charset(IMAP_FOLDER(folder), prop, &charset_to_use);
2511
2512 if (imap_prop == NULL) {
2513 /* Couldn't convert matcherprop to IMAP - probably not ascii
2514 * and server doesn't support the charsets we do. */
2515 return -1;
2516 }
2517
2518 matcherPart = search_make_key(imap_prop, &is_all);
2519
2520 matcherprop_free(imap_prop);
2521
2522 if (on_server) {
2523 *on_server &= matcherPart != NULL && prop->matchtype == MATCHTYPE_MATCHCASE;
2524 }
2525
2526 if (matcherPart) {
2527 if (key == NULL) {
2528 key = matcherPart;
2529 server_filtering_useless = is_all;
2530 } else if (predicate->bool_and) {
2531 key = imap_search_and(key, matcherPart);
2532 server_filtering_useless &= is_all;
2533 } else {
2534 key = imap_search_or(key, matcherPart);
2535 server_filtering_useless |= is_all;
2536 }
2537 }
2538 }
2539
2540 if (server_filtering_useless) {
2541 imap_search_free(key);
2542 key = NULL;
2543 }
2544
2545 if (key == NULL && progress_cb != NULL) {
2546 GSList* cur;
2547 GSList* list;
2548 int count = 0;
2549
2550 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2551 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2552
2553 list = folder_item_get_msg_list(container);
2554 for (cur = list; cur != NULL; cur = cur->next) {
2555 *msgs = g_slist_prepend(*msgs, GUINT_TO_POINTER(((MsgInfo*) cur->data)->msgnum));
2556 count++;
2557 }
2558 procmsg_msg_list_free(list);
2559
2560 *msgs = g_slist_reverse(*msgs);
2561
2562 return count;
2563 }
2564
2565 session = imap_session_get(folder);
2566 if (!session) {
2567 return -1;
2568 }
2569 result = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(container),
2570 NULL, NULL, NULL, NULL, NULL, TRUE);
2571 if (result != MAILIMAP_NO_ERROR)
2572 return -1;
2573
2574 if (progress_cb)
2575 progress_cb(progress_data, TRUE, 0, 0, container->total_msgs);
2576 result = imap_threaded_search(folder, IMAP_SEARCH_TYPE_KEYED, key, charset_to_use, NULL, &uidlist);
2577 if (progress_cb)
2578 progress_cb(progress_data, TRUE, container->total_msgs, 0, container->total_msgs);
2579
2580 if (result == MAILIMAP_ERROR_PROTOCOL) {
2581 debug_print("Server side search unavailable, using local search\n");
2582 imap_handle_error(SESSION(session), NULL, result);
2583 result = folder_item_search_msgs_local(folder, container, msgs, NULL,
2584 predicate, progress_cb, progress_data);
2585 if (result < 0) {
2586 debug_print("search_msgs - got protocol error, aborting\n");
2587 alertpanel_error_log(_("Search failed due to server error."));
2588 return -1;
2589 }
2590
2591 return result;
2592 }
2593
2594 if (result == MAILIMAP_NO_ERROR) {
2595 gint result = 0;
2596
2597 *msgs = imap_uid_list_from_lep(uidlist, &result);
2598
2599 mailimap_search_result_free(uidlist);
2600
2601 if (charset_to_use != NULL)
2602 g_free(charset_to_use);
2603
2604 return result;
2605 } else if (charset_to_use != NULL) {
2606 /* If search failed and was on an 8-bit string, try the next
2607 * available charset to search if there still are some.
2608 */
2609 g_free(charset_to_use);
2610
2611 imap_change_search_charset(IMAP_FOLDER(folder));
2612 if (IMAP_FOLDER(folder)->search_charset_supported)
2613 return search_msgs(folder, container, msgs, on_server, predicate,
2614 progress_cb, progress_data);
2615 else {
2616 imap_handle_error(SESSION(session), NULL, result);
2617 return -1;
2618 }
2619 } else {
2620 imap_handle_error(SESSION(session), NULL, result);
2621 return -1;
2622 }
2623 }
2624
2625
2626 static gint imap_do_remove_msgs(Folder *folder, FolderItem *dest,
2627 MsgInfoList *msglist, GHashTable *relation)
2628 {
2629 gchar *destdir, *dir;
2630 GSList *numlist = NULL, *cur;
2631 MsgInfo *msginfo;
2632 IMAPSession *session;
2633 gint ok = MAILIMAP_NO_ERROR;
2634
2635 g_return_val_if_fail(folder != NULL, -1);
2636 g_return_val_if_fail(dest != NULL, -1);
2637 g_return_val_if_fail(msglist != NULL, -1);
2638
2639 debug_print("getting session...\n");
2640 session = imap_session_get(folder);
2641 if (!session) {
2642 return -1;
2643 }
2644
2645 lock_session(session); /* unlocked later in the function */
2646
2647 msginfo = (MsgInfo *)msglist->data;
2648
2649 ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
2650 NULL, NULL, NULL, NULL, NULL, FALSE);
2651 if (ok != MAILIMAP_NO_ERROR) {
2652 return ok;
2653 }
2654
2655 destdir = imap_get_real_path(session, IMAP_FOLDER(folder), dest->path, &ok);
2656 if (is_fatal(ok)) {
2657 g_free(destdir);
2658 return ok;
2659 }
2660 for (cur = msglist; cur; cur = cur->next) {
2661 msginfo = (MsgInfo *)cur->data;
2662 if (!MSG_IS_DELETED(msginfo->flags))
2663 numlist = g_slist_prepend(numlist, GINT_TO_POINTER(msginfo->msgnum));
2664 }
2665 numlist = g_slist_reverse(numlist);
2666
2667 if (numlist != NULL) {
2668 ok = imap_set_message_flags
2669 (session, IMAP_FOLDER_ITEM(msginfo->folder), numlist, IMAP_FLAG_DELETED, NULL, TRUE);
2670 if (ok != MAILIMAP_NO_ERROR) {
2671 log_warning(LOG_PROTOCOL, _("can't set deleted flags\n"));
2672 g_free(destdir);
2673 return ok;
2674 }
2675 } /* else we just need to expunge */
2676 ok = imap_cmd_expunge(session);
2677 if (ok != MAILIMAP_NO_ERROR) {
2678 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
2679 g_free(destdir);
2680 return ok;
2681 }
2682
2683 session->folder_content_changed = TRUE;
2684 unlock_session(session);
2685
2686 dir = folder_item_get_path(msginfo->folder);
2687 if (is_dir_exist(dir)) {
2688 for (cur = msglist; cur; cur = cur->next) {
2689 msginfo = (MsgInfo *)cur->data;
2690 remove_numbered_files(dir, msginfo->msgnum, msginfo->msgnum);
2691 }
2692 }
2693 g_free(dir);
2694
2695 g_slist_free(numlist);
2696
2697 imap_scan_required(folder, dest);
2698
2699 g_free(destdir);
2700
2701 return 0;
2702 }
2703
2704 static gint imap_remove_msgs(Folder *folder, FolderItem *dest,
2705 MsgInfoList *msglist, GHashTable *relation)
2706 {
2707 MsgInfo *msginfo;
2708
2709 g_return_val_if_fail(folder != NULL, -1);
2710 g_return_val_if_fail(dest != NULL, -1);
2711 if (msglist == NULL)
2712 return 0;
2713
2714 msginfo = (MsgInfo *)msglist->data;
2715 g_return_val_if_fail(msginfo->folder != NULL, -1);
2716
2717 return imap_do_remove_msgs(folder, dest, msglist, relation);
2718 }
2719
2720 static gint imap_remove_all_msg(Folder *folder, FolderItem *item)
2721 {
2722 GSList *list = folder_item_get_msg_list(item);
2723 gint res = imap_remove_msgs(folder, item, list, NULL);
2724 procmsg_msg_list_free(list);
2725 return res;
2726 }
2727
2728 static gboolean imap_is_msg_changed(Folder *folder, FolderItem *item,
2729 MsgInfo *msginfo)
2730 {
2731 /* TODO: properly implement this method */
2732 return FALSE;
2733 }
2734
2735 static gint imap_close(Folder *folder, FolderItem *item)
2736 {
2737 return 0;
2738 }
2739
2740 static gint imap_scan_tree_real(Folder *folder, gboolean subs_only)
2741 {
2742 FolderItem *item = NULL;
2743 IMAPSession *session;
2744 gchar *root_folder = NULL;
2745
2746 g_return_val_if_fail(folder != NULL, -1);
2747 g_return_val_if_fail(folder->account != NULL, -1);
2748
2749 debug_print("getting session...\n");
2750 session = imap_session_get(folder);
2751 if (!session) {
2752 if (!folder->node) {
2753 folder_tree_destroy(folder);
2754 item = folder_item_new(folder, folder->name, NULL);
2755 item->folder = folder;
2756 folder->node = item->node = g_node_new(item);
2757 }
2758 return -1;
2759 }
2760
2761 if (folder->account->imap_dir && *folder->account->imap_dir) {
2762 gchar *real_path;
2763 int r = MAILIMAP_NO_ERROR;
2764 clist * lep_list;
2765
2766 Xstrdup_a(root_folder, folder->account->imap_dir, {return -1;});
2767 extract_quote(root_folder, '"');
2768 subst_char(root_folder,
2769 imap_get_path_separator(session, IMAP_FOLDER(folder),
2770 root_folder, &r),
2771 '/');
2772 if (is_fatal(r))
2773 return -1;
2774 strtailchomp(root_folder, '/');
2775 real_path = imap_get_real_path
2776 (session, IMAP_FOLDER(folder), root_folder, &r);
2777 if (is_fatal(r)) {
2778 g_free(real_path);
2779 return -1;
2780 }
2781 debug_print("IMAP root directory: %s\n", real_path);
2782
2783 /* check if root directory exist */
2784
2785 r = imap_threaded_list(session->folder, "", real_path,
2786 &lep_list);
2787
2788 if (r != MAILIMAP_NO_ERROR)
2789 imap_handle_error(SESSION(session), NULL, r);
2790
2791 if ((r != MAILIMAP_NO_ERROR) || (clist_count(lep_list) == 0)) {
2792 if (!folder->node) {
2793 item = folder_item_new(folder, folder->name, NULL);
2794 item->folder = folder;
2795 folder->node = item->node = g_node_new(item);
2796 }
2797 return -1;
2798 }
2799 mailimap_list_result_free(lep_list);
2800
2801 g_free(real_path);
2802 }
2803
2804 if (folder->node)
2805 item = FOLDER_ITEM(folder->node->data);
2806
2807 if (item && !item->path && root_folder) {
2808 item->path = g_strdup(root_folder);
2809 }
2810
2811 if (!item || ((item->path || root_folder) &&
2812 g_strcmp0(item->path, root_folder) != 0)) {
2813 folder_tree_destroy(folder);
2814 item = folder_item_new(folder, folder->name, root_folder);
2815 item->folder = folder;
2816 folder->node = item->node = g_node_new(item);
2817 }
2818
2819 imap_scan_tree_recursive(session, FOLDER_ITEM(folder->node->data), subs_only);
2820 imap_create_missing_folders(folder);
2821
2822 return 0;
2823 }
2824
2825 static gint imap_scan_tree(Folder *folder)
2826 {
2827 gboolean subs_only = FALSE;
2828 if (folder->account) {
2829 debug_print(" scanning only subs %d\n", folder->account->imap_subsonly);
2830 subs_only = folder->account->imap_subsonly;
2831 }
2832 return imap_scan_tree_real(folder, subs_only);
2833 }
2834
2835 static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2836 {
2837 /* reset recursion depth counter */
2838 session->scan_tree_recurs_depth = 0;
2839
2840 return imap_scan_tree_recursive_dive(session, item, subs_only);
2841 }
2842
2843 static gint imap_scan_tree_recursive_dive(IMAPSession *session, FolderItem *item, gboolean subs_only)
2844 {
2845 Folder *folder;
2846 IMAPFolder *imapfolder;
2847 FolderItem *new_item;
2848 GSList *item_list, *cur;
2849 GNode *node;
2850 gchar *real_path;
2851 gchar *wildcard_path;
2852 gchar separator;
2853 gchar wildcard[3];
2854 clist * lep_list;
2855 int r = MAILIMAP_NO_ERROR;
2856
2857 g_return_val_if_fail(item != NULL, -1);
2858 g_return_val_if_fail(item->folder != NULL, -1);
2859 g_return_val_if_fail(item->no_sub == FALSE, -1);
2860
2861 /* recursion depth limiter */
2862 if(session->scan_tree_recurs_depth >= prefs_common.imap_scan_tree_recurs_limit) {
2863 g_warning("IMAP scan tree recursion limit reached (%d, folder '%s')",
2864 prefs_common.imap_scan_tree_recurs_limit, item->folder->name);
2865 return -1;
2866 }
2867 /* entering recursion func: increase depth counter */
2868 session->scan_tree_recurs_depth++;
2869
2870 folder = item->folder;
2871 imapfolder = IMAP_FOLDER(folder);
2872
2873 separator = imap_get_path_separator(session, imapfolder, item->path, &r);
2874 if (is_fatal(r))
2875 return r;
2876
2877 if (folder->ui_func)
2878 folder->ui_func(folder, item, folder->ui_func_data);
2879
2880 if (item->path) {
2881 wildcard[0] = separator;
2882 wildcard[1] = '%';
2883 wildcard[2] = '\0';
2884 real_path = imap_get_real_path(session, imapfolder, item->path, &r);
2885 if (is_fatal(r)) {
2886 g_free(real_path);
2887 return r;
2888 }
2889 } else {
2890 wildcard[0] = '%';
2891 wildcard[1] = '\0';
2892 real_path = g_strdup("");
2893 }
2894
2895 Xstrcat_a(wildcard_path, real_path, wildcard,
2896 {g_free(real_path); return MAILIMAP_ERROR_BAD_STATE;});
2897 lep_list = NULL;
2898
2899 if (subs_only)
2900 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
2901 else
2902 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
2903
2904 if (r != MAILIMAP_NO_ERROR) {
2905 imap_handle_error(SESSION(session), NULL, r);
2906 item_list = NULL;
2907 g_free(real_path);
2908 return r;
2909 }
2910 else {
2911 item_list = imap_list_from_lep(imapfolder,
2912 lep_list, real_path, FALSE);
2913 mailimap_list_result_free(lep_list);
2914 }
2915
2916 g_free(real_path);
2917
2918 node = item->node->children;
2919 while (node != NULL) {
2920 FolderItem *old_item = FOLDER_ITEM(node->data);
2921 GNode *next = node->next;
2922
2923 new_item = NULL;
2924 for (cur = item_list; cur != NULL; cur = cur->next) {
2925 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2926 if (!g_strcmp0(old_item->path, cur_item->path)) {
2927 new_item = cur_item;
2928 break;
2929 }
2930 }
2931 if (!new_item) {
2932 if (old_item && old_item->path && !strcasecmp(old_item->path, "INBOX")) {
2933 debug_print("not removing INBOX\n");
2934 } else {
2935 debug_print("folder '%s' not found. removing...\n",
2936 old_item->path);
2937 folder_item_remove(old_item);
2938 }
2939 } else {
2940 old_item->no_sub = new_item->no_sub;
2941 old_item->no_select = new_item->no_select;
2942 if (old_item->no_sub == TRUE && node->children) {
2943 debug_print("folder '%s' doesn't have "
2944 "subfolders. removing...\n",
2945 old_item->path);
2946 folder_item_remove_children(old_item);
2947 }
2948 }
2949
2950 node = next;
2951 }
2952
2953 for (cur = item_list; cur != NULL; cur = cur->next) {
2954 FolderItem *cur_item = FOLDER_ITEM(cur->data);
2955 new_item = NULL;
2956
2957 for (node = item->node->children; node != NULL;
2958 node = node->next) {
2959 if (!g_strcmp0(FOLDER_ITEM(node->data)->path,
2960 cur_item->path)) {
2961 new_item = FOLDER_ITEM(node->data);
2962 folder_item_destroy(cur_item);
2963 cur_item = NULL;
2964 break;
2965 }
2966 }
2967 if (!new_item) {
2968 new_item = cur_item;
2969 debug_print("new folder '%s' found.\n", new_item->path);
2970 folder_item_append(item, new_item);
2971 }
2972
2973 if (!strcasecmp(new_item->path, "INBOX")) {
2974 new_item->stype = F_INBOX;
2975 folder->inbox = new_item;
2976 } else if (!folder_item_parent(item) || item->stype == F_INBOX) {
2977 gchar *base;
2978
2979 base = g_path_get_basename(new_item->path);
2980
2981 if (!folder->outbox && !g_ascii_strcasecmp(base, "Sent")) {
2982 new_item->stype = F_OUTBOX;
2983 folder->outbox = new_item;
2984 } else if (!folder->draft && (!g_ascii_strcasecmp(base, "Drafts") || !g_ascii_strcasecmp(base, "Draft"))) {
2985 new_item->stype = F_DRAFT;
2986 folder->draft = new_item;
2987 } else if (!folder->queue && !g_ascii_strcasecmp(base, "Queue")) {
2988 new_item->stype = F_QUEUE;
2989 folder->queue = new_item;
2990 } else if (!folder->trash && !g_ascii_strcasecmp(base, "Trash")) {
2991 new_item->stype = F_TRASH;
2992 folder->trash = new_item;
2993 }
2994 g_free(base);
2995 }
2996
2997 if (new_item->no_sub == FALSE) {
2998 imap_scan_tree_recursive_dive(session, new_item, subs_only);
2999
3000 /* entering recursion func: increase depth counter */
3001 session->scan_tree_recurs_depth--;
3002 if (session->scan_tree_recurs_depth < 0)
3003 g_error("IMAP scan tree recursion underflow (%d)",
3004 session->scan_tree_recurs_depth);
3005 }
3006 }
3007
3008 g_slist_free(item_list);
3009
3010 return MAILIMAP_NO_ERROR;
3011 }
3012
3013 GList *imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
3014 {
3015 IMAPSession *session = imap_session_get(folder);
3016 gchar *real_path;
3017 gchar *wildcard_path;
3018 gchar separator;
3019 gchar wildcard[3];
3020 clist * lep_list;
3021 GSList *item_list = NULL, *cur;
3022 GList *child_list = NULL, *tmplist = NULL;
3023 GSList *sub_list = NULL;
3024 int r = MAILIMAP_NO_ERROR;
3025
3026 if (!session)
3027 return NULL;
3028
3029 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &r);
3030 if (is_fatal(r))
3031 return NULL;
3032
3033 if (item->path) {
3034 wildcard[0] = separator;
3035 wildcard[1] = '%';
3036 wildcard[2] = '\0';
3037 real_path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
3038 if (is_fatal(r)) {
3039 g_free(real_path);
3040 return NULL;
3041 }
3042 } else {
3043 wildcard[0] = '%';
3044 wildcard[1] = '\0';
3045 real_path = g_strdup("");
3046 }
3047
3048 Xstrcat_a(wildcard_path, real_path, wildcard,
3049 {g_free(real_path); return NULL;});
3050 lep_list = NULL;
3051
3052 if (unsubs_only)
3053 statusbar_print_all(_("Looking for unsubscribed folders in %s..."),
3054 item->path?item->path:item->name);
3055 else
3056 statusbar_print_all(_("Looking for subfolders of %s..."),
3057 item->path?item->path:item->name);
3058
3059 r = imap_threaded_list(folder, "", wildcard_path, &lep_list);
3060 if (r) {
3061 g_free(real_path);
3062 statusbar_pop_all();
3063 return NULL;
3064 }
3065 item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3066 lep_list, real_path, FALSE);
3067 mailimap_list_result_free(lep_list);
3068
3069 for (cur = item_list; cur != NULL; cur = cur->next) {
3070 FolderItem *cur_item = FOLDER_ITEM(cur->data);
3071 if (recursive) {
3072 tmplist = imap_scan_subtree(folder, cur_item,
3073 unsubs_only, recursive);
3074 if (tmplist)
3075 child_list = g_list_concat(child_list, tmplist);
3076 }
3077 child_list = g_list_prepend(child_list,
3078 imap_get_real_path(session,
3079 IMAP_FOLDER(folder), cur_item->path, &r));
3080 if (is_fatal(r)) {
3081 g_free(real_path);
3082 statusbar_pop_all();
3083 return NULL;
3084 }
3085 folder_item_destroy(cur_item);
3086 }
3087 child_list = g_list_reverse(child_list);
3088 g_slist_free(item_list);
3089
3090 if (unsubs_only) {
3091 r = imap_threaded_lsub(folder, "", wildcard_path, &lep_list);
3092 if (r) {
3093 g_free(real_path);
3094 statusbar_pop_all();
3095 return NULL;
3096 }
3097 sub_list = imap_list_from_lep(IMAP_FOLDER(folder),
3098 lep_list, real_path, FALSE);
3099 mailimap_list_result_free(lep_list);
3100
3101 for (cur = sub_list; cur != NULL; cur = cur->next) {
3102 FolderItem *cur_item = FOLDER_ITEM(cur->data);
3103 GList *oldlitem = NULL;
3104 gchar *tmp = imap_get_real_path(session,
3105 IMAP_FOLDER(folder), cur_item->path, &r);
3106 if (r) {
3107 g_free(real_path);
3108 statusbar_pop_all();
3109 g_free(tmp);
3110 return NULL;
3111 }
3112 folder_item_destroy(cur_item);
3113 oldlitem = g_list_find_custom(
3114 child_list, tmp, (GCompareFunc)g_strcmp0);
3115 if (oldlitem) {
3116 child_list = g_list_remove_link(child_list, oldlitem);
3117 g_free(oldlitem->data);
3118 g_list_free(oldlitem);
3119 }
3120 g_free(tmp);
3121 }
3122 }
3123
3124 g_free(real_path);
3125 statusbar_pop_all();
3126
3127 return child_list;
3128 }
3129
3130 static gint imap_create_tree(Folder *folder)
3131 {
3132 g_return_val_if_fail(folder != NULL, -1);
3133 g_return_val_if_fail(folder->node != NULL, -1);
3134 g_return_val_if_fail(folder->node->data != NULL, -1);
3135 g_return_val_if_fail(folder->account != NULL, -1);
3136
3137 imap_scan_tree(folder);
3138 imap_create_missing_folders(folder);
3139
3140 return 0;
3141 }
3142
3143 static void imap_create_missing_folders(Folder *folder)
3144 {
3145 g_return_if_fail(folder != NULL);
3146
3147 if (!folder->inbox)
3148 folder->inbox = imap_create_special_folder
3149 (folder, F_INBOX, "INBOX");
3150 if (!folder->trash)
3151 folder->trash = imap_create_special_folder
3152 (folder, F_TRASH, "Trash");
3153 if (!folder->queue)
3154 folder->queue = imap_create_special_folder
3155 (folder, F_QUEUE, "Queue");
3156 if (!folder->outbox)
3157 folder->outbox = imap_create_special_folder
3158 (folder, F_OUTBOX, "Sent");
3159 if (!folder->draft)
3160 folder->draft = imap_create_special_folder
3161 (folder, F_DRAFT, "Drafts");
3162 }
3163
3164 static FolderItem *imap_create_special_folder(Folder *folder,
3165 SpecialFolderItemType stype,
3166 const gchar *name)
3167 {
3168 FolderItem *item;
3169 FolderItem *new_item;
3170
3171 g_return_val_if_fail(folder != NULL, NULL);
3172 g_return_val_if_fail(folder->node != NULL, NULL);
3173 g_return_val_if_fail(folder->node->data != NULL, NULL);
3174 g_return_val_if_fail(folder->account != NULL, NULL);
3175 g_return_val_if_fail(name != NULL, NULL);
3176
3177 item = FOLDER_ITEM(folder->node->data);
3178 new_item = imap_create_folder(folder, item, name);
3179
3180 if (!new_item) {
3181 g_warning("can't create '%s'", name);
3182 if (!folder->inbox) return NULL;
3183
3184 new_item = imap_create_folder(folder, folder->inbox, name);
3185 if (!new_item)
3186 g_warning("can't create '%s' under INBOX", name);
3187 else
3188 new_item->stype = stype;
3189 } else
3190 new_item->stype = stype;
3191
3192 return new_item;
3193 }
3194
3195 #ifdef G_OS_WIN32
3196 static gchar *imap_encode_unsafe_chars(const gchar *str)
3197 {
3198 gchar *ret = NULL, *o_ret;
3199 gchar *i;
3200 if (!str)
3201 return NULL;
3202 ret = g_malloc(3*strlen(str)+1);
3203 o_ret = ret;
3204 for (i = (gchar *)str; *i; i++) {
3205 switch(*i) {
3206 case ':':
3207 case '|':
3208 case '<':
3209 case '>':
3210 case '*':
3211 case '?':
3212 case '#':
3213 *ret++ = '%';
3214 *ret++ = '0'+(*i/10);
3215 *ret++ = '0'+(*i%10);
3216 break;
3217 default:
3218 *ret++ = *i;
3219 }
3220 }
3221 *ret++ = '\0';
3222 return o_ret;
3223 }
3224 #endif
3225 static gchar *imap_item_get_path(Folder *folder, FolderItem *item)
3226 {
3227 gchar *folder_path, *path;
3228 gchar *item_path = NULL;
3229
3230 g_return_val_if_fail(folder != NULL, NULL);
3231 g_return_val_if_fail(folder->account != NULL, NULL);
3232 g_return_val_if_fail(item != NULL, NULL);
3233 folder_path = prefs_account_cache_dir(folder->account, FALSE);
3234
3235 g_return_val_if_fail(folder_path != NULL, NULL);
3236
3237 #ifdef G_OS_UNIX
3238 item_path = g_strdup(item->path);
3239 #else
3240 item_path = imap_encode_unsafe_chars(item->path);
3241 #endif
3242
3243 if (g_path_is_absolute(folder_path)) {
3244 if (item_path)
3245 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
3246 item_path, NULL);
3247 else
3248 path = g_strdup(folder_path);
3249 } else {
3250 if (item_path)
3251 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3252 folder_path, G_DIR_SEPARATOR_S,
3253 item_path, NULL);
3254 else
3255 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3256 folder_path, NULL);
3257 }
3258 g_free(folder_path);
3259 g_free(item_path);
3260 #ifdef G_OS_WIN32
3261 while (strchr(path, '/'))
3262 *strchr(path, '/') = '\\';
3263 #endif
3264
3265 return path;
3266 }
3267
3268 static FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
3269 const gchar *name)
3270 {
3271 gchar *dirpath, *imap_path;
3272 IMAPSession *session;
3273 FolderItem *new_item;
3274 gchar separator;
3275 gchar *new_name;
3276 const gchar *p;
3277 gint ok = MAILIMAP_NO_ERROR;
3278 gboolean no_select = FALSE, no_sub = FALSE;
3279 gboolean exist = FALSE;
3280
3281 g_return_val_if_fail(folder != NULL, NULL);
3282 g_return_val_if_fail(folder->account != NULL, NULL);
3283 g_return_val_if_fail(parent != NULL, NULL);
3284 g_return_val_if_fail(name != NULL, NULL);
3285
3286 if (to_number(name) > 0) {
3287 gchar *cached_msg = imap_get_cached_filename(parent, to_number(name));
3288 if (is_file_exist(cached_msg)) {
3289 if (claws_unlink(cached_msg) != 0) {
3290 g_free(cached_msg);
3291 return NULL;
3292 }
3293 }
3294 g_free(cached_msg);
3295 }
3296
3297 debug_print("getting session...\n");
3298 session = imap_session_get(folder);
3299 if (!session) {
3300 return NULL;
3301 }
3302
3303 if (!folder_item_parent(parent) && strcasecmp(name, "INBOX") == 0) {
3304 dirpath = g_strdup(name);
3305 }else if (parent->path)
3306 dirpath = g_strconcat(parent->path, "/", name, NULL);
3307 else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
3308 dirpath = g_strdup(name);
3309 else if (folder->account->imap_dir && *folder->account->imap_dir) {
3310 gchar *imap_dir;
3311
3312 Xstrdup_a(imap_dir, folder->account->imap_dir, {return NULL;});
3313 strtailchomp(imap_dir, '/');
3314 dirpath = g_strconcat(imap_dir, "/", name, NULL);
3315 } else
3316 dirpath = g_strdup(name);
3317
3318
3319
3320 /* keep trailing directory separator to create a folder that contains
3321 sub folder */
3322 imap_path = imap_utf8_to_modified_utf7(dirpath, FALSE);
3323
3324 strtailchomp(dirpath, '/');
3325 Xstrdup_a(new_name, name, {
3326 g_free(dirpath);
3327 g_free(imap_path);
3328 return NULL;});
3329
3330 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), imap_path, &ok);
3331 if (is_fatal(ok)) {
3332 g_free(dirpath);
3333 g_free(imap_path);
3334 return NULL;
3335 }
3336 imap_path_separator_subst(imap_path, separator);
3337 /* remove trailing / for display */
3338 strtailchomp(new_name, '/');
3339
3340 if (strcasecmp(dirpath, "INBOX") != 0) {
3341 int r;
3342 clist * lep_list;
3343
3344 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3345 if (r != MAILIMAP_NO_ERROR) {
3346 imap_handle_error(SESSION(session), NULL, r);
3347 log_warning(LOG_PROTOCOL, _("can't create mailbox: LIST failed\n"));
3348 g_free(imap_path);
3349 g_free(dirpath);
3350 return NULL;
3351 }
3352
3353 if (clist_count(lep_list) > 0)
3354 exist = TRUE;
3355 mailimap_list_result_free(lep_list);
3356 lep_list = NULL;
3357 if (!exist) {
3358 ok = imap_cmd_create(session, imap_path);
3359 if (ok != MAILIMAP_NO_ERROR) {
3360 log_warning(LOG_PROTOCOL, _("can't create mailbox\n"));
3361 g_free(imap_path);
3362 g_free(dirpath);
3363 return NULL;
3364 }
3365 r = imap_threaded_list(folder, "", imap_path, &lep_list);
3366 if (r == MAILIMAP_NO_ERROR) {
3367 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3368 lep_list, dirpath, TRUE);
3369 if (item_list) {
3370 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3371 no_select = cur_item->no_select;
3372 no_sub = cur_item->no_sub;
3373 g_slist_free(item_list);
3374 }
3375 mailimap_list_result_free(lep_list);
3376 } else {
3377 imap_handle_error(SESSION(session), NULL, r);
3378 }
3379 }
3380 imap_threaded_subscribe(folder, imap_path, TRUE);
3381 } else {
3382 clist *lep_list;
3383 int r;
3384 /* just get flags */
3385 r = imap_threaded_list(folder, "", "INBOX", &lep_list);
3386 if (r == MAILIMAP_NO_ERROR) {
3387 GSList *item_list = imap_list_from_lep(IMAP_FOLDER(folder),
3388 lep_list, dirpath, TRUE);
3389 if (item_list) {
3390 FolderItem *cur_item = FOLDER_ITEM(item_list->data);
3391 no_select = cur_item->no_select;
3392 no_sub = cur_item->no_sub;
3393 g_slist_free(item_list);
3394 }
3395 mailimap_list_result_free(lep_list);
3396 } else {
3397 imap_handle_error(SESSION(session), NULL, r);
3398 }
3399 }
3400
3401 new_item = folder_item_new(folder, new_name, dirpath);
3402 new_item->no_select = no_select;
3403 new_item->no_sub = no_sub;
3404 folder_item_append(parent, new_item);
3405 g_free(imap_path);
3406 g_free(dirpath);
3407
3408 dirpath = folder_item_get_path(new_item);
3409 if (!is_dir_exist(dirpath))
3410 make_dir_hier(dirpath);
3411 g_free(dirpath);
3412
3413 if (exist) {
3414 /* folder existed, scan it */
3415 imap_scan_required(folder, new_item);
3416 folder_item_scan_full(new_item, FALSE);
3417 }
3418
3419 return new_item;
3420 }
3421
3422 static gint imap_rename_folder(Folder *folder, FolderItem *item,
3423 const gchar *name)
3424 {
3425 gchar *dirpath;
3426 gchar *newpath;
3427 gchar *real_oldpath;
3428 gchar *real_newpath;
3429 gchar *paths[2];
3430 gchar *old_cache_dir;
3431 gchar *new_cache_dir;
3432 IMAPSession *session;
3433 gchar separator;
3434 gint ok = MAILIMAP_NO_ERROR;
3435 gint exists, recent, unseen;
3436 guint32 uid_validity;
3437
3438 g_return_val_if_fail(folder != NULL, -1);
3439 g_return_val_if_fail(item != NULL, -1);
3440 g_return_val_if_fail(item->path != NULL, -1);
3441 g_return_val_if_fail(name != NULL, -1);
3442
3443 debug_print("getting session...\n");
3444 session = imap_session_get(folder);
3445 if (!session) {
3446 return -1;
3447 }
3448
3449 if (strchr(name, imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok)) != NULL ||
3450 is_fatal(ok)) {
3451 g_warning("new folder name must not contain the namespace path separator");
3452 return -1;
3453 }
3454
3455 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3456 if (is_fatal(ok)) {
3457 g_free(real_oldpath);
3458 return -1;
3459 }
3460
3461 g_free(session->mbox);
3462 session->mbox = NULL;
3463 session->exists = 0;
3464 session->recent = 0;
3465 session->expunge = 0;
3466 ok = imap_cmd_examine(session, "INBOX",
3467 &exists, &recent, &unseen, &uid_validity, FALSE);
3468 if (ok != MAILIMAP_NO_ERROR) {
3469 g_free(real_oldpath);
3470 return -1;
3471 }
3472
3473 separator = imap_get_path_separator(session, IMAP_FOLDER(folder), item->path, &ok);
3474 if (is_fatal(ok)) {
3475 g_free(real_oldpath);
3476 return -1;
3477 }
3478 if (strchr(item->path, '/')) {
3479 dirpath = g_path_get_dirname(item->path);
3480 newpath = g_strconcat(dirpath, "/", name, NULL);
3481 g_free(dirpath);
3482 } else
3483 newpath = g_strdup(name);
3484
3485 real_newpath = imap_utf8_to_modified_utf7(newpath, FALSE);
3486 imap_path_separator_subst(real_newpath, separator);
3487
3488 ok = imap_cmd_rename(session, real_oldpath, real_newpath);
3489 if (ok != MAILIMAP_NO_ERROR) {
3490 log_warning(LOG_PROTOCOL, _("can't rename mailbox: %s to %s\n"),
3491 real_oldpath, real_newpath);
3492 g_free(real_oldpath);
3493 g_free(newpath);
3494 g_free(real_newpath);
3495 return -1;
3496 }
3497 g_free(item->name);
3498 item->name = g_strdup(name);
3499
3500 old_cache_dir = folder_item_get_path(item);
3501
3502 paths[0] = g_strdup(item->path);
3503 paths[1] = newpath;
3504 g_node_traverse(item->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
3505 imap_rename_folder_func, paths);
3506
3507 if (is_dir_exist(old_cache_dir)) {
3508 new_cache_dir = folder_item_get_path(item);
3509 if (g_rename(old_cache_dir, new_cache_dir) < 0) {
3510 FILE_OP_ERROR(old_cache_dir, "rename");
3511 }
3512 g_free(new_cache_dir);
3513 }
3514
3515 g_free(old_cache_dir);
3516 g_free(paths[0]);
3517 g_free(newpath);
3518 g_free(real_oldpath);
3519 g_free(real_newpath);
3520 return 0;
3521 }
3522
3523 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
3524 {
3525 gchar *path;
3526 gint r = MAILIMAP_NO_ERROR;
3527 IMAPSession *session;
3528 debug_print("getting session...\n");
3529
3530 session = imap_session_get(folder);
3531 if (!session) {
3532 return -1;
3533 }
3534 if (item && item->path) {
3535 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &r);
3536 if (!path)
3537 return -1;
3538 if (is_fatal(r)) {
3539 g_free(path);
3540 return -1;
3541 }
3542 if (!strcasecmp(path, "INBOX") && sub == FALSE) {
3543 g_free(path);
3544 return -1;
3545 }
3546 debug_print("%ssubscribing %s\n", sub?"":"un", path);
3547 r = imap_threaded_subscribe(folder, path, sub);
3548 g_free(path);
3549 } else if (rpath) {
3550 r = imap_threaded_subscribe(folder, rpath, sub);
3551 } else
3552 return -1;
3553 return r;
3554 }
3555
3556 static gint imap_remove_folder_real(Folder *folder, FolderItem *item)
3557 {
3558 gint ok = MAILIMAP_NO_ERROR;
3559 IMAPSession *session;
3560 gchar *path;
3561 gchar *cache_dir;
3562 gboolean selected_folder;
3563
3564 g_return_val_if_fail(folder != NULL, -1);
3565 g_return_val_if_fail(item != NULL, -1);
3566 g_return_val_if_fail(item->path != NULL, -1);
3567
3568 debug_print("getting session...\n");
3569 session = imap_session_get(folder);
3570 if (!session) {
3571 return -1;
3572 }
3573 path = imap_get_real_path(session, IMAP_FOLDER(folder), item->path, &ok);
3574 if (is_fatal(ok)) {
3575 g_free(path);
3576 return -1;
3577 }
3578 imap_threaded_subscribe(folder, path, FALSE);
3579
3580 selected_folder = (session->mbox != NULL) &&
3581 (!strcmp(session->mbox, item->path));
3582 if (selected_folder) {
3583 ok = imap_cmd_close(session);
3584 if (ok != MAILIMAP_NO_ERROR) {
3585 debug_print("close err %d\n", ok);
3586 return ok;
3587 }
3588 }
3589 ok = imap_cmd_delete(session, path);
3590 if (ok != MAILIMAP_NO_ERROR && !is_fatal(ok)) {
3591 gchar *tmp = NULL;
3592
3593 ok = MAILIMAP_NO_ERROR;
3594 tmp = g_strdup_printf("%s%c", path,
3595 imap_get_path_separator(session, IMAP_FOLDER(folder), path, &ok));
3596 g_free(path);
3597 path = tmp;
3598 if (!is_fatal(ok))
3599 ok = imap_cmd_delete(session, path);
3600 }
3601
3602 if (ok != MAILIMAP_NO_ERROR) {
3603 log_warning(LOG_PROTOCOL, _("can't delete mailbox\n"));
3604 g_free(path);
3605 return -1;
3606 }
3607
3608 g_free(path);
3609 cache_dir = folder_item_get_path(item);
3610 if (is_dir_exist(cache_dir) && remove_dir_recursive(cache_dir) < 0)
3611 g_warning("can't remove directory '%s'", cache_dir);
3612 g_free(cache_dir);
3613 folder_item_remove(item);
3614 return 0;
3615 }
3616
3617 static gint imap_remove_folder(Folder *folder, FolderItem *item)
3618 {
3619 GNode *node, *next;
3620
3621 g_return_val_if_fail(item != NULL, -1);
3622 g_return_val_if_fail(item->folder != NULL, -1);
3623 g_return_val_if_fail(item->node != NULL, -1);
3624
3625 node = item->node->children;
3626 while (node != NULL) {
3627 next = node->next;
3628 if (imap_remove_folder(folder, FOLDER_ITEM(node->data)) < 0)
3629 return -1;
3630 node = next;
3631 }
3632 debug_print("IMAP removing %s\n", item->path);
3633
3634 if (imap_remove_all_msg(folder, item) < 0)
3635 return -1;
3636 return imap_remove_folder_real(folder, item);
3637 }
3638
3639 typedef struct _uncached_data {
3640 IMAPSession *session;
3641 FolderItem *item;
3642 MsgNumberList *numlist;
3643 guint cur;
3644 guint total;
3645 gboolean done;
3646 int ok;
3647 } uncached_data;
3648
3649 static void *imap_get_uncached_messages_thread(void *data)
3650 {
3651 uncached_data *stuff = (uncached_data *)data;
3652 IMAPSession *session = stuff->session;
3653 FolderItem *item = stuff->item;
3654 MsgNumberList *numlist = stuff->numlist;
3655 GSList *newlist = NULL;
3656 GSList *llast = NULL;
3657 GSList *seq_list, *cur;
3658 gboolean got_alien_tags = FALSE;
3659
3660 debug_print("uncached_messages\n");
3661
3662 if (session == NULL || item == NULL || item->folder == NULL
3663 || FOLDER_CLASS(item->folder) != &imap_class) {
3664 stuff->done = TRUE;
3665 return NULL;
3666 }
3667
3668 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(item->folder), numlist);
3669 debug_print("get msgs info\n");
3670 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
3671 struct mailimap_set * imapset;
3672 unsigned int i;
3673 int r;
3674 carray * env_list;
3675 int count;
3676
3677 if (session->cancelled)
3678 break;
3679
3680 imapset = cur->data;
3681
3682 r = imap_threaded_fetch_env(session->folder,
3683 imapset, &env_list);
3684 if (r != MAILIMAP_NO_ERROR) {
3685 imap_handle_error(SESSION(session), NULL, r);
3686 if (is_fatal(r)) {
3687 stuff->ok = r;
3688 return NULL;
3689 }
3690 continue;
3691 }
3692
3693 session_set_access_time(SESSION(session));
3694
3695 count = 0;
3696 for(i = 0 ; i < carray_count(env_list) ; i += 2) {
3697 struct imap_fetch_env_info * info;
3698 MsgInfo * msginfo;
3699 GSList *tags = NULL, *cur = NULL;
3700 info = carray_get(env_list, i);
3701 tags = carray_get(env_list, i+1);
3702 msginfo = imap_envelope_from_lep(info, item);
3703 if (msginfo == NULL) {
3704 slist_free_strings_full(tags);
3705 continue;
3706 }
3707 g_slist_free(msginfo->tags);
3708 msginfo->tags = NULL;
3709
3710 for (cur = tags; cur; cur = cur->next) {
3711 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
3712 gint id = 0;
3713 id = tags_get_id_for_str(real_tag);
3714 if (id == -1) {
3715 id = tags_add_tag(real_tag);
3716 got_alien_tags = TRUE;
3717 }
3718 if (!g_slist_find(msginfo->tags, GINT_TO_POINTER(id))) {
3719 msginfo->tags = g_slist_prepend(
3720 msginfo->tags,
3721 GINT_TO_POINTER(id));
3722 }
3723 g_free(real_tag);
3724 }
3725 if (msginfo->tags)
3726 msginfo->tags = g_slist_reverse(msginfo->tags);
3727 slist_free_strings_full(tags);
3728 msginfo->folder = item;
3729 if (!newlist)
3730 llast = newlist = g_slist_append(newlist, msginfo);
3731 else {
3732 llast = g_slist_append(llast, msginfo);
3733 llast = llast->next;
3734 }
3735 count ++;
3736 }
3737
3738 imap_fetch_env_free(env_list);
3739 }
3740
3741 if (got_alien_tags) {
3742 tags_write_tags();
3743 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
3744 }
3745
3746 imap_lep_set_free(seq_list);
3747
3748 session_set_access_time(SESSION(session));
3749 stuff->done = TRUE;
3750 return newlist;
3751 }
3752
3753 #define MAX_MSG_NUM 50
3754
3755 static GSList *imap_get_uncached_messages(IMAPSession *session,
3756 FolderItem *item,
3757 MsgNumberList *numlist,
3758 int *r)
3759 {
3760 GSList *result = NULL;
3761 GSList * cur;
3762 uncached_data *data = g_new0(uncached_data, 1);
3763
3764 cur = numlist;
3765 data->total = g_slist_length(numlist);
3766 data->ok = MAILIMAP_NO_ERROR;
3767 debug_print("messages list : %i\n", data->total);
3768
3769 while (cur != NULL) {
3770 GSList * partial_result;
3771 int count;
3772 GSList * newlist;
3773 GSList * llast;
3774
3775 llast = NULL;
3776 count = 0;
3777 newlist = NULL;
3778 while (count < MAX_MSG_NUM) {
3779 void * p;
3780
3781 p = cur->data;
3782
3783 if (newlist == NULL)
3784 llast = newlist = g_slist_append(newlist, p);
3785 else {
3786 llast = g_slist_append(llast, p);
3787 llast = llast->next;
3788 }
3789 count ++;
3790
3791 cur = cur->next;
3792 if (cur == NULL)
3793 break;
3794 }
3795
3796 data->done = FALSE;
3797 data->session = session;
3798 data->item = item;
3799 data->numlist = newlist;
3800 data->cur += count;
3801
3802 if (prefs_common.work_offline &&
3803 !inc_offline_should_override(FALSE,
3804 _("Claws Mail needs network access in order "
3805 "to access the IMAP server."))) {
3806 g_free(data);
3807 return NULL;
3808 }
3809
3810 partial_result =
3811 (GSList *)imap_get_uncached_messages_thread(data);
3812 *r = data->ok;
3813 if (data->ok != MAILIMAP_NO_ERROR) {
3814 goto bail;
3815 }
3816 statusbar_progress_all(data->cur,data->total, 1);
3817
3818 g_slist_free(newlist);
3819
3820 result = g_slist_concat(result, partial_result);
3821 }
3822 bail:
3823 g_free(data);
3824
3825 statusbar_progress_all(0,0,0);
3826 statusbar_pop_all();
3827
3828 return result;
3829 }
3830
3831 static void imap_delete_all_cached_messages(FolderItem *item)
3832 {
3833 gchar *dir;
3834
3835 g_return_if_fail(item != NULL);
3836 g_return_if_fail(item->folder != NULL);
3837 g_return_if_fail(FOLDER_CLASS(item->folder) == &imap_class);
3838
3839 debug_print("Deleting all cached messages...\n");
3840
3841 dir = folder_item_get_path(item);
3842 if (is_dir_exist(dir))
3843 remove_all_numbered_files(dir);
3844 g_free(dir);
3845
3846 debug_print("Deleting all cached messages done.\n");
3847 }
3848
3849 gchar imap_get_path_separator_for_item(FolderItem *item)
3850 {
3851 Folder *folder = NULL;
3852 IMAPFolder *imap_folder = NULL;
3853 IMAPSession *session = NULL;
3854 gchar result = '/';
3855 gint ok = MAILIMAP_NO_ERROR;
3856 if (!item)
3857 return '/';
3858 folder = item->folder;
3859
3860 if (!folder)
3861 return '/';
3862
3863 imap_folder = IMAP_FOLDER(folder);
3864
3865 debug_print("getting session...\n");
3866 session = imap_session_get(FOLDER(folder));
3867 result = imap_get_path_separator(session, imap_folder, item->path, &ok);
3868 return result;
3869 }
3870
3871 static gchar imap_refresh_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *subfolder, gint *ok)
3872 {
3873 clist * lep_list;
3874 int r;
3875 gchar separator = '\0';
3876
3877 g_return_val_if_fail(session != NULL, '/');
3878 r = imap_threaded_list((Folder *)folder, "", subfolder, &lep_list);
3879
3880 if (r != MAILIMAP_NO_ERROR) {
3881 imap_handle_error(SESSION(session), NULL, r);
3882 log_warning(LOG_PROTOCOL, _("LIST failed\n"));
3883 *ok = r;
3884 return '\0';
3885 }
3886
3887 if (lep_list != NULL && clist_count(lep_list) > 0) {
3888 clistiter * iter = clist_begin(lep_list);
3889 struct mailimap_mailbox_list * mb;
3890 mb = clist_content(iter);
3891
3892 separator = mb->mb_delimiter;
3893 debug_print("got separator: %c\n", folder->last_seen_separator);
3894 }
3895 *ok = MAILIMAP_NO_ERROR;
3896 mailimap_list_result_free(lep_list);
3897 return separator;
3898 }
3899
3900 static gchar imap_get_path_separator(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3901 {
3902 gchar separator = '/';
3903 *ok = MAILIMAP_NO_ERROR;
3904 if (folder->last_seen_separator == 0) {
3905 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "", ok);
3906 }
3907
3908 if (folder->last_seen_separator == 0) {
3909 folder->last_seen_separator = imap_refresh_path_separator(session, folder, "INBOX", ok);
3910 }
3911
3912 if (folder->last_seen_separator != 0) {
3913 debug_print("using separator: %c\n", folder->last_seen_separator);
3914 return folder->last_seen_separator;
3915 }
3916
3917 return separator;
3918 }
3919
3920 static gchar *imap_get_real_path(IMAPSession *session, IMAPFolder *folder, const gchar *path, gint *ok)
3921 {
3922 gchar *real_path = NULL;
3923 gchar separator;
3924
3925 g_return_val_if_fail(folder != NULL, NULL);
3926 g_return_val_if_fail(path != NULL, NULL);
3927
3928 *ok = MAILIMAP_NO_ERROR;
3929
3930 real_path = imap_utf8_to_modified_utf7(path, FALSE);
3931 separator = imap_get_path_separator(session, folder, path, ok);
3932 if (*ok == MAILIMAP_NO_ERROR)
3933 imap_path_separator_subst(real_path, separator);
3934
3935 return real_path;
3936 }
3937
3938 static gint imap_set_message_flags(IMAPSession *session,
3939 IMAPFolderItem *item,
3940 MsgNumberList *numlist,
3941 IMAPFlags flags,
3942 GSList *tags,
3943 gboolean is_set)
3944 {
3945 gint ok = 0;
3946 GSList *seq_list;
3947 GSList * cur;
3948 gint total = 0;
3949 IMAPFolder *folder = NULL;
3950 GSList *sorted_list = NULL;
3951
3952 if (numlist == NULL || session == NULL)
3953 return MAILIMAP_ERROR_BAD_STATE;
3954
3955 folder = IMAP_FOLDER(session->folder);
3956
3957 sorted_list = g_slist_copy(numlist);
3958 sorted_list = g_slist_sort(sorted_list, g_int_compare);
3959
3960 cur = g_slist_last(sorted_list);
3961
3962 if (cur)
3963 total = GPOINTER_TO_INT(cur->data);
3964
3965 seq_list = imap_get_lep_set_from_numlist(IMAP_FOLDER(session->folder), sorted_list);
3966
3967 statusbar_print_all(_("Flagging messages..."));
3968
3969 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
3970 struct mailimap_set * imapset = (struct mailimap_set *)cur->data;
3971 struct mailimap_set_item *set_item = NULL;
3972
3973 if (imapset->set_list)
3974 set_item = clist_content(clist_begin(imapset->set_list));
3975 else
3976 continue;
3977
3978 if (set_item == NULL)
3979 continue;
3980
3981 statusbar_progress_all(set_item->set_first, total, 1);
3982
3983 ok = imap_cmd_store(session, item, imapset,
3984 flags, tags, is_set);
3985 statusbar_progress_all(set_item->set_last, total, 1);
3986 if (ok != MAILIMAP_NO_ERROR && folder->max_set_size > 20) {
3987 /* reduce max set size */
3988 folder->max_set_size /= 2;
3989 }
3990 if (ok != MAILIMAP_NO_ERROR && is_fatal(ok)) {
3991 break;
3992 }
3993 }
3994
3995 g_slist_free(sorted_list);
3996
3997 statusbar_progress_all(0,0,0);
3998 statusbar_pop_all();
3999
4000 imap_lep_set_free(seq_list);
4001
4002 return ok;
4003 }
4004
4005 typedef struct _select_data {
4006 IMAPSession *session;
4007 gchar *real_path;
4008 gint *exists;
4009 gint *recent;
4010 gint *unseen;
4011 guint32 *uid_validity;
4012 gboolean done;
4013 } select_data;
4014
4015 static gint imap_select(IMAPSession *session, IMAPFolder *folder,
4016 FolderItem *item,
4017 gint *exists, gint *recent, gint *unseen,
4018 guint32 *uid_validity, gint *can_create_flags,
4019 gboolean block)
4020 {
4021 gchar *real_path;
4022 gint ok = MAILIMAP_NO_ERROR;
4023 gint exists_, recent_, unseen_;
4024 guint32 uid_validity_;
4025 gint can_create_flags_;
4026 const gchar *path = item ? item->path:NULL;
4027
4028 if (!item) {
4029 return MAILIMAP_ERROR_BAD_STATE;
4030 }
4031
4032 if (!exists && !recent && !unseen && !uid_validity && !can_create_flags) {
4033 if (session->mbox && strcmp(session->mbox, path) == 0)
4034 return MAILIMAP_NO_ERROR;
4035 }
4036 if (!exists && !recent && !unseen && !uid_validity && can_create_flags) {
4037 if (session->mbox && strcmp(session->mbox, path) == 0) {
4038 if (IMAP_FOLDER_ITEM(item)->can_create_flags != ITEM_CAN_CREATE_FLAGS_UNKNOWN)
4039 return MAILIMAP_NO_ERROR;
4040 }
4041 }
4042 if (!exists)
4043 exists = &exists_;
4044 if (!recent)
4045 recent = &recent_;
4046 if (!unseen)
4047 unseen = &unseen_;
4048 if (!uid_validity)
4049 uid_validity = &uid_validity_;
4050 if (!can_create_flags)
4051 can_create_flags = &can_create_flags_;
4052
4053 g_free(session->mbox);
4054 session->mbox = NULL;
4055 session->exists = 0;
4056 session->recent = 0;
4057 session->expunge = 0;
4058
4059 real_path = imap_get_real_path(session, folder, path, &ok);
4060 if (is_fatal(ok)) {
4061 g_free(real_path);
4062 return ok;
4063 }
4064 g_slist_free(IMAP_FOLDER_ITEM(item)->ok_flags);
4065 IMAP_FOLDER_ITEM(item)->ok_flags = NULL;
4066 ok = imap_cmd_select(session, real_path,
4067 exists, recent, unseen, uid_validity, can_create_flags,
4068 &(IMAP_FOLDER_ITEM(item)->ok_flags), block);
4069 if (ok != MAILIMAP_NO_ERROR) {
4070 log_warning(LOG_PROTOCOL, _("can't select folder: %s\n"), real_path);
4071 } else {
4072 session->mbox = g_strdup(path);
4073 session->folder_content_changed = FALSE;
4074 session->exists = *exists;
4075 session->recent = *recent;
4076 session->expunge = 0;
4077 session->unseen = *unseen;
4078 session->uid_validity = *uid_validity;
4079 debug_print("select: exists %d recent %d expunge %d uid_validity %d can_create_flags %d\n",
4080 session->exists, session->recent, session->expunge,
4081 session->uid_validity, *can_create_flags);
4082 }
4083 if (*can_create_flags) {
4084 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CAN_CREATE_FLAGS;
4085 } else {
4086 IMAP_FOLDER_ITEM(item)->can_create_flags = ITEM_CANNOT_CREATE_FLAGS;
4087 }
4088 g_free(real_path);
4089
4090 return ok;
4091 }
4092
4093 static gint imap_status(IMAPSession *session, IMAPFolder *folder,
4094 const gchar *path, IMAPFolderItem *item,
4095 gint *messages,
4096 guint32 *uid_next, guint32 *uid_validity,
4097 gint *unseen, gboolean block)
4098 {
4099 int r = MAILIMAP_NO_ERROR;
4100 clistiter * iter;
4101 struct mailimap_mailbox_data_status * data_status;
4102 int got_values;
4103 gchar *real_path;
4104 guint mask = 0;
4105
4106 real_path = imap_get_real_path(session, folder, path, &r);
4107 if (is_fatal(r)) {
4108 g_free(real_path);
4109 return r;
4110 }
4111 if (messages) {
4112 mask |= 1 << 0;
4113 *messages = 0;
4114 }
4115 if (uid_next) {
4116 mask |= 1 << 2;
4117 *uid_next = 0;
4118 }
4119 if (uid_validity) {
4120 mask |= 1 << 3;
4121 *uid_validity = 0;
4122 }
4123 if (unseen) {
4124 mask |= 1 << 4;
4125 *unseen = 0;
4126 }
4127
4128 if (session->mbox != NULL &&
4129 !strcmp(session->mbox, item->item.path)) {
4130 r = imap_cmd_close(session);
4131 if (r != MAILIMAP_NO_ERROR) {
4132 debug_print("close err %d\n", r);
4133 g_free(real_path);
4134 return r;
4135 }
4136 }
4137
4138 r = imap_threaded_status(FOLDER(folder), real_path,
4139 &data_status, mask);
4140
4141 g_free(real_path);
4142 if (r != MAILIMAP_NO_ERROR) {
4143 imap_handle_error(SESSION(session), NULL, r);
4144 debug_print("status err %d\n", r);
4145 return r;
4146 }
4147
4148 if (data_status == NULL || data_status->st_info_list == NULL) {
4149 debug_print("data_status %p\n", data_status);
4150 if (data_status) {
4151 debug_print("data_status->st_info_list %p\n", data_status->st_info_list);
4152 mailimap_mailbox_data_status_free(data_status);
4153 }
4154 return MAILIMAP_ERROR_BAD_STATE;
4155 }
4156
4157 got_values = 0;
4158 if (data_status->st_info_list) {
4159 for(iter = clist_begin(data_status->st_info_list) ; iter != NULL ;
4160 iter = clist_next(iter)) {
4161 struct mailimap_status_info * info;
4162
4163 info = clist_content(iter);
4164 switch (info->st_att) {
4165 case MAILIMAP_STATUS_ATT_MESSAGES:
4166 if (messages) {
4167 * messages = info->st_value;
4168 got_values |= 1 << 0;
4169 }
4170 break;
4171
4172 case MAILIMAP_STATUS_ATT_UIDNEXT:
4173 if (uid_next) {
4174 * uid_next = info->st_value;
4175 got_values |= 1 << 2;
4176 }
4177 break;
4178
4179 case MAILIMAP_STATUS_ATT_UIDVALIDITY:
4180 if (uid_validity) {
4181 * uid_validity = info->st_value;
4182 got_values |= 1 << 3;
4183 }
4184 break;
4185
4186 case MAILIMAP_STATUS_ATT_UNSEEN:
4187 if (unseen) {
4188 * unseen = info->st_value;
4189 got_values |= 1 << 4;
4190 }
4191 break;
4192 }
4193 }
4194 }
4195 mailimap_mailbox_data_status_free(data_status);
4196
4197 if (got_values != mask) {
4198 g_warning("status: incomplete values received (%d)", got_values);
4199 }
4200 return MAILIMAP_NO_ERROR;
4201 }
4202
4203 static void imap_free_capabilities(IMAPSession *session)
4204 {
4205 slist_free_strings_full(session->capability);
4206 session->capability = NULL;
4207 }
4208
4209 /* low-level IMAP4rev1 commands */
4210
4211 static gint imap_cmd_login(IMAPSession *session,
4212 const gchar *user, const gchar *pass,
4213 const gchar *type)
4214 {
4215 int r;
4216 gint ok;
4217
4218 if (!strcmp(type, "plaintext") && imap_has_capability(session, "LOGINDISABLED")) {
4219 ok = MAILIMAP_ERROR_BAD_STATE;
4220 if (imap_has_capability(session, "STARTTLS")) {
4221 #ifdef USE_GNUTLS
4222 log_warning(LOG_PROTOCOL, _("Server requires STARTTLS to log in.\n"));
4223 ok = imap_cmd_starttls(session);
4224 if (ok != MAILIMAP_NO_ERROR) {
4225 log_warning(LOG_PROTOCOL, _("Can't start STARTTLS session.\n"));
4226 return ok;
4227 } else {
4228 /* refresh capas */
4229 imap_free_capabilities(session);
4230 if ((r = imap_get_capabilities(session)) != MAILIMAP_NO_ERROR) {
4231 imap_handle_error(SESSION(session), NULL, r);
4232 log_warning(LOG_PROTOCOL, _("Can't refresh capabilities.\n"));
4233 return r;
4234 }
4235 }
4236 #else
4237 log_error(LOG_PROTOCOL, _("Connection to %s failed: "
4238 "server requires STARTTLS, but Claws Mail "
4239 "has been compiled without STARTTLS "
4240 "support.\n"),
4241 SESSION(session)->server);
4242 return MAILIMAP_ERROR_LOGIN;
4243 #endif
4244 } else {
4245 log_error(LOG_PROTOCOL, _("Server logins are disabled.\n"));
4246 return MAILIMAP_ERROR_LOGIN;
4247 }
4248 }
4249
4250 log_print(LOG_PROTOCOL, "IMAP> Logging %s to %s using %s\n",
4251 user,
4252 SESSION(session)->server,
4253 type);
4254 r = imap_threaded_login(session->folder, user, pass, type);
4255 if (r != MAILIMAP_NO_ERROR) {
4256 imap_handle_error(SESSION(session), NULL, r);
4257 log_print(LOG_PROTOCOL, "IMAP< Error logging in to %s\n",
4258 SESSION(session)->server);
4259 ok = r;
4260 } else {
4261 log_print(LOG_PROTOCOL, "IMAP< Login to %s successful\n",
4262 SESSION(session)->server);
4263 ok = MAILIMAP_NO_ERROR;
4264 }
4265 return ok;
4266 }
4267
4268 static gint imap_cmd_noop(IMAPSession *session)
4269 {
4270 int r;
4271 unsigned int exists, recent, expunge, unseen, uidnext, uidval;
4272
4273 r = imap_threaded_noop(session->folder, &exists, &recent, &expunge, &unseen, &uidnext, &uidval);
4274 if (r != MAILIMAP_NO_ERROR) {
4275 imap_handle_error(SESSION(session), NULL, r);
4276 debug_print("noop err %d\n", r);
4277 return r;
4278 }
4279
4280 if ((exists && exists != session->exists)
4281 || (recent && recent != session->recent)
4282 || (expunge && expunge != session->expunge)
4283 || (unseen && unseen != session->unseen)) {
4284 session->folder_content_changed = TRUE;
4285 }
4286 if (uidnext != 0 && uidnext != session->uid_next) {
4287 session->uid_next = uidnext;
4288 session->folder_content_changed = TRUE;
4289 }
4290 if (uidval != 0 && uidval != session->uid_validity) {
4291 session->uid_validity = uidval;
4292 session->folder_content_changed = TRUE;
4293 }
4294
4295 session->exists = exists;
4296 session->recent = recent;
4297 session->expunge = expunge;
4298 session->unseen = unseen;
4299
4300 session_set_access_time(SESSION(session));
4301
4302 return MAILIMAP_NO_ERROR;
4303 }
4304
4305 #ifdef USE_GNUTLS
4306 static gint imap_cmd_starttls(IMAPSession *session)
4307 {
4308 int r;
4309
4310 r = imap_threaded_starttls(session->folder,
4311 SESSION(session)->server, SESSION(session)->port);
4312 if (r != MAILIMAP_NO_ERROR) {
4313 imap_handle_error(SESSION(session), NULL, r);
4314 debug_print("STARTTLS err %d\n", r);
4315 return r;
4316 }
4317 return MAILIMAP_NO_ERROR;
4318 }
4319 #endif
4320
4321 static gint imap_cmd_select(IMAPSession *session, const gchar *folder,
4322 gint *exists, gint *recent, gint *unseen,
4323 guint32 *uid_validity, gint *can_create_flags,
4324 GSList **ok_flags, gboolean block)
4325 {
4326 int r;
4327
4328 r = imap_threaded_select(session->folder, folder,
4329 exists, recent, unseen, uid_validity, can_create_flags, ok_flags);
4330 if (r != MAILIMAP_NO_ERROR) {
4331 imap_handle_error(SESSION(session), NULL, r);
4332 debug_print("select err %d\n", r);
4333 return r;
4334 }
4335 return MAILIMAP_NO_ERROR;
4336 }
4337
4338 static gint imap_cmd_close(IMAPSession *session)
4339 {
4340 int r;
4341
4342 r = imap_threaded_close(session->folder);
4343 if (r != MAILIMAP_NO_ERROR) {
4344 imap_handle_error(SESSION(session), NULL, r);
4345 debug_print("close err %d\n", r);
4346 return r;
4347 }
4348 g_free(session->mbox);
4349 session->mbox = NULL;
4350 session->exists = 0;
4351 session->recent = 0;
4352 session->expunge = 0;
4353 return MAILIMAP_NO_ERROR;
4354 }
4355
4356 static gint imap_cmd_examine(IMAPSession *session, const gchar *folder,
4357 gint *exists, gint *recent, gint *unseen,
4358 guint32 *uid_validity, gboolean block)
4359 {
4360 int r;
4361
4362 r = imap_threaded_examine(session->folder, folder,
4363 exists, recent, unseen, uid_validity);
4364 if (r != MAILIMAP_NO_ERROR) {
4365 imap_handle_error(SESSION(session), NULL, r);
4366 debug_print("examine err %d\n", r);
4367
4368 return r;
4369 }
4370 return MAILIMAP_NO_ERROR;
4371 }
4372
4373 static gint imap_cmd_create(IMAPSession *session, const gchar *folder)
4374 {
4375 int r;
4376
4377 r = imap_threaded_create(session->folder, folder);
4378 if (r != MAILIMAP_NO_ERROR) {
4379 imap_handle_error(SESSION(session), NULL, r);
4380 return r;
4381 }
4382
4383 return MAILIMAP_NO_ERROR;
4384 }
4385
4386 static gint imap_cmd_rename(IMAPSession *session, const gchar *old_folder,
4387 const gchar *new_folder)
4388 {
4389 int r;
4390
4391 r = imap_threaded_rename(session->folder, old_folder,
4392 new_folder);
4393 if (r != MAILIMAP_NO_ERROR) {
4394 imap_handle_error(SESSION(session), NULL, r);
4395 return r;
4396 }
4397
4398 return MAILIMAP_NO_ERROR;
4399 }
4400
4401 static gint imap_cmd_delete(IMAPSession *session, const gchar *folder)
4402 {
4403 int r;
4404
4405
4406 r = imap_threaded_delete(session->folder, folder);
4407 if (r != MAILIMAP_NO_ERROR) {
4408 imap_handle_error(SESSION(session), NULL, r);
4409 return r;
4410 }
4411
4412 return MAILIMAP_NO_ERROR;
4413 }
4414
4415 typedef struct _fetch_data {
4416 IMAPSession *session;
4417 guint32 uid;
4418 const gchar *filename;
4419 gboolean headers;
4420 gboolean body;
4421 gboolean done;
4422 } fetch_data;
4423
4424 static void *imap_cmd_fetch_thread(void *data)
4425 {
4426 fetch_data *stuff = (fetch_data *)data;
4427 IMAPSession *session = stuff->session;
4428 guint32 uid = stuff->uid;
4429 const gchar *filename = stuff->filename;
4430 int r;
4431
4432 if (stuff->body) {
4433 r = imap_threaded_fetch_content(session->folder,
4434 uid, 1, filename);
4435 }
4436 else {
4437 r = imap_threaded_fetch_content(session->folder,
4438 uid, 0, filename);
4439 }
4440 if (r != MAILIMAP_NO_ERROR) {
4441 imap_handle_error(SESSION(session), NULL, r);
4442 debug_print("fetch err %d\n", r);
4443 return GINT_TO_POINTER(r);
4444 }
4445 return GINT_TO_POINTER(MAILIMAP_NO_ERROR);
4446 }
4447
4448 static gint imap_cmd_fetch(IMAPSession *session, guint32 uid,
4449 const gchar *filename, gboolean headers,
4450 gboolean body)
4451 {
4452 fetch_data *data = g_new0(fetch_data, 1);
4453 int result = 0;
4454 data->done = FALSE;
4455 data->session = session;
4456 data->uid = uid;
4457 data->filename = filename;
4458 data->headers = headers;
4459 data->body = body;
4460
4461 if (prefs_common.work_offline &&
4462 !inc_offline_should_override(FALSE,
4463 _("Claws Mail needs network access in order "
4464 "to access the IMAP server."))) {
4465 g_free(data);
4466 return -1;
4467 }
4468 statusbar_print_all(_("Fetching message..."));
4469 result = GPOINTER_TO_INT(imap_cmd_fetch_thread(data));
4470 statusbar_pop_all();
4471 g_free(data);
4472 return result;
4473 }
4474
4475
4476 static gint imap_cmd_append(IMAPSession *session,
4477 IMAPFolderItem *item,
4478 const gchar *destfolder,
4479 const gchar *file, IMAPFlags flags,
4480 guint32 *new_uid)
4481 {
4482 struct mailimap_flag_list * flag_list;
4483 int r;
4484
4485 cm_return_val_if_fail(file != NULL, MAILIMAP_ERROR_BAD_STATE);
4486
4487 flag_list = imap_flag_to_lep(item, flags, NULL);
4488 lock_session(session);
4489 r = imap_threaded_append(session->folder, destfolder,
4490 file, flag_list, (int *)new_uid);
4491 mailimap_flag_list_free(flag_list);
4492
4493 if (r != MAILIMAP_NO_ERROR) {
4494 imap_handle_error(SESSION(session), NULL, r);
4495 debug_print("append err %d\n", r);
4496 return r;
4497 }
4498
4499 unlock_session(session);
4500
4501 return MAILIMAP_NO_ERROR;
4502 }
4503
4504 static gint imap_cmd_copy(IMAPSession *session, struct mailimap_set * set,
4505 const gchar *destfolder,
4506 struct mailimap_set **source, struct mailimap_set **dest)
4507 {
4508 int r;
4509
4510 g_return_val_if_fail(session != NULL, MAILIMAP_ERROR_BAD_STATE);
4511 g_return_val_if_fail(set != NULL, MAILIMAP_ERROR_BAD_STATE);
4512 g_return_val_if_fail(destfolder != NULL, MAILIMAP_ERROR_BAD_STATE);
4513
4514 r = imap_threaded_copy(session->folder, set, destfolder, source, dest);
4515 if (r != MAILIMAP_NO_ERROR) {
4516 imap_handle_error(SESSION(session), NULL, r);
4517 return r;
4518 }
4519
4520 return MAILIMAP_NO_ERROR;
4521 }
4522
4523 static gint imap_cmd_store(IMAPSession *session,
4524 IMAPFolderItem *item,
4525 struct mailimap_set * set,
4526 IMAPFlags flags, GSList *tags, int do_add)
4527 {
4528 int r;
4529 struct mailimap_flag_list * flag_list = NULL;
4530 struct mailimap_store_att_flags * store_att_flags;
4531
4532 flag_list = imap_flag_to_lep(item, flags, tags);
4533
4534 if (do_add)
4535 store_att_flags =
4536 mailimap_store_att_flags_new_add_flags_silent(flag_list);
4537 else
4538 store_att_flags =
4539 mailimap_store_att_flags_new_remove_flags_silent(flag_list);
4540
4541 r = imap_threaded_store(session->folder, set, store_att_flags);
4542 mailimap_store_att_flags_free(store_att_flags);
4543 if (r != MAILIMAP_NO_ERROR) {
4544 imap_handle_error(SESSION(session), NULL, r);
4545 return r;
4546 }
4547
4548 return MAILIMAP_NO_ERROR;
4549 }
4550
4551 static gint imap_cmd_expunge(IMAPSession *session)
4552 {
4553 int r;
4554
4555 if (prefs_common.work_offline &&
4556 !inc_offline_should_override(FALSE,
4557 _("Claws Mail needs network access in order "
4558 "to access the IMAP server."))) {
4559 return -1;
4560 }
4561
4562 statusbar_print_all(_("Expunging deleted messages..."));
4563 r = imap_threaded_expunge(session->folder);
4564 statusbar_pop_all();
4565 if (r != MAILIMAP_NO_ERROR) {
4566 imap_handle_error(SESSION(session), NULL, r);
4567 return r;
4568 }
4569
4570 return MAILIMAP_NO_ERROR;
4571 }
4572
4573 gint imap_expunge(Folder *folder, FolderItem *item)
4574 {
4575 IMAPSession *session = imap_session_get(folder);
4576 if (session == NULL)
4577 return -1;
4578
4579 return imap_cmd_expunge(session);
4580 }
4581
4582 static void imap_path_separator_subst(gchar *str, gchar separator)
4583 {
4584 gchar *p;
4585 gboolean in_escape = FALSE;
4586
4587 if (!separator || separator == '/') return;
4588
4589 for (p = str; *p != '\0'; p++) {
4590 if (*p == '/' && !in_escape)
4591 *p = separator;
4592 else if (*p == '&' && *(p + 1) != '-' && !in_escape)
4593 in_escape = TRUE;
4594 else if (*p == '-' && in_escape)
4595 in_escape = FALSE;
4596 }
4597 }
4598
4599 static gboolean imap_rename_folder_func(GNode *node, gpointer data)
4600 {
4601 FolderItem *item = node->data;
4602 gchar **paths = data;
4603 const gchar *oldpath = paths[0];
4604 const gchar *newpath = paths[1];
4605 gchar *real_oldpath, *real_newpath;
4606 gchar *base;
4607 gchar *new_itempath;
4608 gint oldpathlen;
4609 IMAPSession *session = imap_session_get(item->folder);
4610 gint ok = MAILIMAP_NO_ERROR;
4611 oldpathlen = strlen(oldpath);
4612 if (strncmp(oldpath, item->path, oldpathlen) != 0) {
4613 g_warning("path doesn't match: %s, %s", oldpath, item->path);
4614 return TRUE;
4615 }
4616
4617 base = item->path + oldpathlen;
4618 while (*base == '/') base++;
4619 if (*base == '\0')
4620 new_itempath = g_strdup(newpath);
4621 else
4622 new_itempath = g_strconcat(newpath, "/", base,
4623 NULL);
4624
4625 real_oldpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4626 g_free(item->path);
4627 item->path = new_itempath;
4628
4629 real_newpath = imap_get_real_path(session, IMAP_FOLDER(item->folder), item->path, &ok);
4630
4631 imap_threaded_subscribe(item->folder, real_oldpath, FALSE);
4632 imap_threaded_subscribe(item->folder, real_newpath, TRUE);
4633
4634 g_free(real_oldpath);
4635 g_free(real_newpath);
4636 return FALSE;
4637 }
4638
4639 static gint get_list_of_uids(IMAPSession *session, Folder *folder, IMAPFolderItem *item, GSList **msgnum_list)
4640 {
4641 GSList *uidlist, *elem;
4642 int r = -1;
4643 clist * lep_uidlist;
4644 gint ok, nummsgs = 0;
4645
4646 if (session == NULL) {
4647 return -1;
4648 }
4649
4650 ok = imap_select(session, IMAP_FOLDER(folder), FOLDER_ITEM(item),
4651 NULL, NULL, NULL, NULL, NULL, TRUE);
4652 if (ok != MAILIMAP_NO_ERROR) {
4653 return -1;
4654 }
4655
4656 g_slist_free(item->uid_list);
4657 item->uid_list = NULL;
4658
4659 uidlist = NULL;
4660
4661 if (folder->account && folder->account->low_bandwidth) {
4662 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SIMPLE,
4663 NULL, NULL, NULL, &lep_uidlist);
4664 }
4665
4666 if (r == MAILIMAP_NO_ERROR) {
4667 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
4668 mailimap_search_result_free(lep_uidlist);
4669 } else {
4670 carray * lep_uidtab;
4671 if (r != -1) { /* inited */
4672 imap_handle_error(SESSION(session), NULL, r);
4673 if (is_fatal(r))
4674 return -1;
4675 }
4676 r = imap_threaded_fetch_uid(folder, 1,
4677 &lep_uidtab);
4678 if (r == MAILIMAP_NO_ERROR) {
4679 uidlist = imap_uid_list_from_lep_tab(lep_uidtab);
4680 imap_fetch_uid_list_free(lep_uidtab);
4681 }
4682 }
4683
4684 if (r != MAILIMAP_NO_ERROR) {
4685 imap_handle_error(SESSION(session), NULL, r);
4686 return -1;
4687 }
4688
4689 for (elem = uidlist; elem != NULL; elem = g_slist_next(elem)) {
4690 guint msgnum;
4691
4692 msgnum = GPOINTER_TO_INT(elem->data);
4693
4694 *msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(msgnum));
4695 item->uid_list = g_slist_prepend(item->uid_list, GINT_TO_POINTER(msgnum));
4696 nummsgs++;
4697 }
4698 g_slist_free(uidlist);
4699
4700 return nummsgs;
4701
4702 }
4703
4704 gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list, gboolean *old_uids_valid)
4705 {
4706 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4707 IMAPSession *session;
4708 gint nummsgs;
4709 GSList *uidlist = NULL;
4710 gchar *dir;
4711 gint known_list_len = 0;
4712 gchar *path;
4713
4714 debug_print("get_num_list\n");
4715
4716 g_return_val_if_fail(folder != NULL, -1);
4717 g_return_val_if_fail(item != NULL, -1);
4718 g_return_val_if_fail(item->item.path != NULL, -1);
4719 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
4720 g_return_val_if_fail(folder->account != NULL, -1);
4721
4722 known_list_len = g_slist_length(item->uid_list);
4723 if (!item->should_update) {
4724 debug_print("get_num_list: nothing to update\n");
4725 *old_uids_valid = TRUE;
4726 if (known_list_len == item->item.total_msgs
4727 && known_list_len > 0) {
4728 *msgnum_list = g_slist_copy(item->uid_list);
4729 return known_list_len;
4730 } else {
4731 debug_print("don't know the list length...\n");
4732 }
4733 }
4734
4735 if (prefs_common.work_offline &&
4736 !inc_offline_should_override(FALSE,
4737 _("Claws Mail needs network access in order "
4738 "to access the IMAP server."))) {
4739 return -1;
4740 }
4741
4742 path = folder_item_get_path(_item);
4743 if (!is_dir_exist(path)) {
4744 if(is_file_exist(path))
4745 claws_unlink(path);
4746 make_dir_hier(path);
4747 }
4748 g_free(path);
4749
4750 debug_print("getting session...\n");
4751 session = imap_session_get(folder);
4752 g_return_val_if_fail(session != NULL, -1);
4753
4754 lock_session(session);
4755 if (FOLDER_ITEM(item)->path)
4756 statusbar_print_all(_("Scanning folder %s/%s..."),
4757 FOLDER_ITEM(item)->folder->name,
4758 FOLDER_ITEM(item)->path);
4759 else
4760 statusbar_print_all(_("Scanning folder %s..."),
4761 FOLDER_ITEM(item)->folder->name);
4762
4763 if (item->should_trash_cache) {
4764 *old_uids_valid = FALSE;
4765 debug_print("get_num_list: trashing num list\n");
4766 debug_print("Freeing imap uid cache\n");
4767 item->lastuid = 0;
4768 g_slist_free(item->uid_list);
4769 item->uid_list = NULL;
4770
4771 imap_delete_all_cached_messages((FolderItem *)item);
4772 } else {
4773 debug_print("get_num_list: updating num list\n");
4774 *old_uids_valid = TRUE;
4775 }
4776
4777 nummsgs = get_list_of_uids(session, folder, item, &uidlist);
4778
4779 unlock_session(session);
4780
4781 /* session could be broken now, in case of fatal error */
4782
4783 debug_print("get_num_list: got %d msgs\n", nummsgs);
4784
4785 if (nummsgs < 0) {
4786 statusbar_pop_all();
4787 return -1;
4788 }
4789
4790 *msgnum_list = uidlist;
4791
4792 dir = folder_item_get_path((FolderItem *)item);
4793 debug_print("removing old messages from %s\n", dir);
4794 remove_numbered_files_not_in_list(dir, *msgnum_list);
4795 g_free(dir);
4796
4797 debug_print("get_num_list - ok - %i\n", nummsgs);
4798 statusbar_pop_all();
4799 item->should_trash_cache = FALSE;
4800 item->should_update = FALSE;
4801 return nummsgs;
4802 }
4803
4804 static MsgInfo *imap_parse_msg(const gchar *file, FolderItem *item)
4805 {
4806 MsgInfo *msginfo;
4807 MsgFlags flags;
4808
4809 flags.perm_flags = MSG_NEW|MSG_UNREAD;
4810 flags.tmp_flags = 0;
4811
4812 g_return_val_if_fail(item != NULL, NULL);
4813 g_return_val_if_fail(file != NULL, NULL);
4814
4815 if (folder_has_parent_of_type(item, F_QUEUE)) {
4816 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
4817 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
4818 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
4819 }
4820
4821 msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
4822 if (!msginfo) return NULL;
4823
4824 msginfo->plaintext_file = g_strdup(file);
4825 msginfo->folder = item;
4826
4827 return msginfo;
4828 }
4829
4830 GSList *imap_get_msginfos(Folder *folder, FolderItem *item,
4831 GSList *msgnum_list)
4832 {
4833 IMAPSession *session;
4834 MsgInfoList *ret = NULL;
4835 gint ok;
4836
4837 debug_print("get_msginfos\n");
4838
4839 g_return_val_if_fail(folder != NULL, NULL);
4840 g_return_val_if_fail(item != NULL, NULL);
4841 g_return_val_if_fail(msgnum_list != NULL, NULL);
4842
4843 debug_print("getting session...\n");
4844 session = imap_session_get(folder);
4845 g_return_val_if_fail(session != NULL, NULL);
4846
4847 lock_session(session); /* unlocked later in the function */
4848
4849 debug_print("IMAP getting msginfos\n");
4850 ok = imap_select(session, IMAP_FOLDER(folder), item,
4851 NULL, NULL, NULL, NULL, NULL, FALSE);
4852 if (ok != MAILIMAP_NO_ERROR) {
4853 return NULL;
4854 }
4855 if (!(folder_has_parent_of_type(item, F_DRAFT) ||
4856 folder_has_parent_of_type(item, F_QUEUE))) {
4857 ret = g_slist_concat(ret,
4858 imap_get_uncached_messages(session, item,
4859 msgnum_list, &ok));
4860 if (ok != MAILIMAP_NO_ERROR)
4861 return NULL;
4862 unlock_session(session);
4863 } else {
4864 MsgNumberList *sorted_list, *elem, *llast = NULL;
4865 gint startnum, lastnum;
4866
4867 unlock_session(session);
4868
4869 sorted_list = g_slist_sort(g_slist_copy(msgnum_list), g_int_compare);
4870
4871 startnum = lastnum = GPOINTER_TO_INT(sorted_list->data);
4872
4873 llast = g_slist_last(ret);
4874 for (elem = sorted_list;; elem = g_slist_next(elem)) {
4875 guint num = 0;
4876
4877 if (elem)
4878 num = GPOINTER_TO_INT(elem->data);
4879
4880 if (num > lastnum + 1 || elem == NULL) {
4881 int i;
4882 for (i = startnum; i <= lastnum; ++i) {
4883 gchar *file;
4884 file = imap_fetch_msg(folder, item, i);
4885 if (file != NULL) {
4886 MsgInfo *msginfo = imap_parse_msg(file, item);
4887 if (msginfo != NULL) {
4888 msginfo->msgnum = i;
4889 if (llast == NULL)
4890 llast = ret = g_slist_append(ret, msginfo);
4891 else {
4892 llast = g_slist_append(llast, msginfo);
4893 llast = llast->next;
4894 }
4895 }
4896 g_free(file);
4897 }
4898 }
4899
4900 if (elem == NULL)
4901 break;
4902
4903 startnum = num;
4904 }
4905 lastnum = num;
4906 }
4907
4908 g_slist_free(sorted_list);
4909 }
4910 return ret;
4911 }
4912
4913 MsgInfo *imap_get_msginfo(Folder *folder, FolderItem *item, gint uid)
4914 {
4915 MsgInfo *msginfo = NULL;
4916 MsgInfoList *msginfolist;
4917 MsgNumberList numlist;
4918
4919 numlist.next = NULL;
4920 numlist.data = GINT_TO_POINTER(uid);
4921
4922 msginfolist = imap_get_msginfos(folder, item, &numlist);
4923 if (msginfolist != NULL) {
4924 msginfo = msginfolist->data;
4925 g_slist_free(msginfolist);
4926 }
4927
4928 return msginfo;
4929 }
4930
4931 gboolean imap_scan_required(Folder *folder, FolderItem *_item)
4932 {
4933 IMAPSession *session;
4934 IMAPFolderItem *item = (IMAPFolderItem *)_item;
4935 gint ok, exists = 0, unseen = 0;
4936 guint32 uid_next = 0, uid_val = 0;
4937 gboolean selected_folder;
4938
4939 g_return_val_if_fail(folder != NULL, FALSE);
4940 g_return_val_if_fail(item != NULL, FALSE);
4941 g_return_val_if_fail(item->item.folder != NULL, FALSE);
4942 g_return_val_if_fail(FOLDER_CLASS(item->item.folder) == &imap_class, FALSE);
4943
4944 if (item->item.path == NULL)
4945 return FALSE;
4946
4947 if (item->should_update) {
4948 debug_print("scan already required\n");
4949 return TRUE;
4950 }
4951 debug_print("getting session...\n");
4952 session = imap_session_get(folder);
4953
4954 g_return_val_if_fail(session != NULL, FALSE);
4955 lock_session(session); /* unlocked later in the function */
4956
4957 selected_folder = (session->mbox != NULL) &&
4958 (!strcmp(session->mbox, item->item.path));
4959 if (selected_folder) {
4960 if (!session->folder_content_changed) {
4961 ok = imap_cmd_noop(session);
4962 if (ok != MAILIMAP_NO_ERROR) {
4963 debug_print("disconnected!\n");
4964 if (!is_fatal(ok))
4965 session = imap_reconnect_if_possible(folder, session);
4966 else
4967 session = imap_session_get(folder);
4968 if (session == NULL)
4969 return FALSE;
4970 }
4971
4972 if (session->folder_content_changed) {
4973 debug_print("CHANGED (self-noop)! scan_required\n");
4974 item->should_update = TRUE;
4975 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4976 item->item.mtime = session->uid_validity;
4977 item->should_trash_cache = TRUE;
4978 }
4979 unlock_session(session);
4980 return TRUE;
4981 }
4982 } else {
4983 debug_print("CHANGED (previous noop)! scan_required\n");
4984 item->should_update = TRUE;
4985 if (session->uid_validity && session->uid_validity != item->item.mtime) {
4986 item->item.mtime = session->uid_validity;
4987 item->should_trash_cache = TRUE;
4988 }
4989 unlock_session(session);
4990 return TRUE;
4991 }
4992 } else {
4993 ok = imap_status(session, IMAP_FOLDER(folder), item->item.path, IMAP_FOLDER_ITEM(item),
4994 &exists, &uid_next, &uid_val, &unseen, FALSE);
4995 if (ok != MAILIMAP_NO_ERROR) {
4996 return FALSE;
4997 }
4998
4999 debug_print("exists %d, item->item.total_msgs %d\n"
5000 "\tunseen %d, item->item.unread_msgs %d\n"
5001 "\tuid_next %d, item->uid_next %d\n"
5002 "\tuid_val %d, item->item.mtime %ld\n",
5003 exists, item->item.total_msgs, unseen, item->item.unread_msgs,
5004 uid_next, item->uid_next, uid_val, (long)(item->item.mtime));
5005 if (exists != item->item.total_msgs
5006 || unseen != item->item.unread_msgs
5007 || uid_next != item->uid_next
5008 || uid_val != item->item.mtime) {
5009 debug_print("CHANGED (status)! scan_required\n");
5010 item->last_change = time(NULL);
5011 item->should_update = TRUE;
5012 item->uid_next = uid_next;
5013 if (uid_val != item->item.mtime) {
5014 item->item.mtime = uid_val;
5015 item->should_trash_cache = TRUE;
5016 }
5017 unlock_session(session);
5018 return TRUE;
5019 }
5020 }
5021 unlock_session(session);
5022
5023 item->should_update = FALSE;
5024 return FALSE;
5025 }
5026
5027 void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
5028 {
5029 IMAPSession *session;
5030 IMAPFlags flags_set = 0, flags_unset = 0;
5031 gint ok = MAILIMAP_NO_ERROR;
5032 MsgNumberList numlist;
5033 hashtable_data *ht_data = NULL;
5034
5035 g_return_if_fail(folder != NULL);
5036 g_return_if_fail(folder->klass == &imap_class);
5037 g_return_if_fail(item != NULL);
5038 g_return_if_fail(item->folder == folder);
5039 g_return_if_fail(msginfo != NULL);
5040 g_return_if_fail(msginfo->folder == item);
5041
5042 if (!MSG_IS_MARKED(msginfo->flags) && (newflags & MSG_MARKED))
5043 flags_set |= IMAP_FLAG_FLAGGED;
5044 if ( MSG_IS_MARKED(msginfo->flags) && !(newflags & MSG_MARKED))
5045 flags_unset |= IMAP_FLAG_FLAGGED;
5046
5047 if (!MSG_IS_UNREAD(msginfo->flags) && (newflags & MSG_UNREAD))
5048 flags_unset |= IMAP_FLAG_SEEN;
5049 if ( MSG_IS_UNREAD(msginfo->flags) && !(newflags & MSG_UNREAD))
5050 flags_set |= IMAP_FLAG_SEEN;
5051
5052 if (!MSG_IS_REPLIED(msginfo->flags) && (newflags & MSG_REPLIED))
5053 flags_set |= IMAP_FLAG_ANSWERED;
5054 if ( MSG_IS_REPLIED(msginfo->flags) && !(newflags & MSG_REPLIED))
5055 flags_unset |= IMAP_FLAG_ANSWERED;
5056
5057 if (!MSG_IS_FORWARDED(msginfo->flags) && (newflags & MSG_FORWARDED))
5058 flags_set |= IMAP_FLAG_FORWARDED;
5059 if ( MSG_IS_FORWARDED(msginfo->flags) && !(newflags & MSG_FORWARDED))
5060 flags_unset |= IMAP_FLAG_FORWARDED;
5061
5062 if (!MSG_IS_SPAM(msginfo->flags) && (newflags & MSG_SPAM)) {
5063 flags_set |= IMAP_FLAG_SPAM;
5064 flags_unset |= IMAP_FLAG_HAM;
5065 }
5066 if ( MSG_IS_SPAM(msginfo->flags) && !(newflags & MSG_SPAM)) {
5067 flags_set |= IMAP_FLAG_HAM;
5068 flags_unset |= IMAP_FLAG_SPAM;
5069 }
5070 if (!MSG_IS_DELETED(msginfo->flags) && (newflags & MSG_DELETED))
5071 flags_set |= IMAP_FLAG_DELETED;
5072 if ( MSG_IS_DELETED(msginfo->flags) && !(newflags & MSG_DELETED))
5073 flags_unset |= IMAP_FLAG_DELETED;
5074
5075 if (!flags_set && !flags_unset) {
5076 /* the changed flags were not translatable to IMAP-speak.
5077 * like MSG_POSTFILTERED, so just apply. */
5078 msginfo->flags.perm_flags = newflags;
5079 return;
5080 }
5081
5082 debug_print("getting session...\n");
5083 session = imap_session_get(folder);
5084 if (!session) {
5085 return;
5086 }
5087
5088 if ((ok = imap_select(session, IMAP_FOLDER(folder), msginfo->folder,
5089 NULL, NULL, NULL, NULL, NULL, FALSE)) != MAILIMAP_NO_ERROR) {
5090 return;
5091 }
5092 numlist.next = NULL;
5093 numlist.data = GINT_TO_POINTER(msginfo->msgnum);
5094
5095 if (IMAP_FOLDER_ITEM(item)->batching) {
5096 /* instead of performing an UID STORE command for each message change,
5097 * as a lot of them can change "together", we just fill in hashtables
5098 * and defer the treatment so that we're able to send only one
5099 * command.
5100 */
5101 debug_print("IMAP batch mode on, deferring flags change\n");
5102 if (flags_set) {
5103 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_set_table,
5104 GINT_TO_POINTER(flags_set));
5105 if (ht_data == NULL) {
5106 ht_data = g_new0(hashtable_data, 1);
5107 ht_data->item = IMAP_FOLDER_ITEM(item);
5108 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_set_table,
5109 GINT_TO_POINTER(flags_set), ht_data);
5110 }
5111 ht_data->msglist = g_slist_prepend(ht_data->msglist, GINT_TO_POINTER(msginfo->msgnum));
5112 }
5113 if (flags_unset) {
5114 ht_data = g_hash_table_lookup(IMAP_FOLDER_ITEM(item)->flags_unset_table,
5115 GINT_TO_POINTER(flags_unset));
5116 if (ht_data == NULL) {
5117 ht_data = g_new0(hashtable_data, 1);
5118 ht_data->item = IMAP_FOLDER_ITEM(item);
5119 g_hash_table_insert(IMAP_FOLDER_ITEM(item)->flags_unset_table,
5120 GINT_TO_POINTER(flags_unset), ht_data);
5121 }
5122 ht_data->msglist = g_slist_prepend(ht_data->msglist,
5123 GINT_TO_POINTER(msginfo->msgnum));
5124 }
5125 } else {
5126 debug_print("IMAP changing flags\n");
5127 if (flags_set) {
5128 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_set, NULL, TRUE);
5129 if (ok != MAILIMAP_NO_ERROR) {
5130 return;
5131 }
5132 }
5133
5134 if (flags_unset) {
5135 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item), &numlist, flags_unset, NULL, FALSE);
5136 if (ok != MAILIMAP_NO_ERROR) {
5137 return;
5138 }
5139 }
5140 }
5141 msginfo->flags.perm_flags = newflags;
5142 return;
5143 }
5144
5145 static gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
5146 {
5147 gint ok;
5148 IMAPSession *session;
5149 gchar *dir;
5150 MsgNumberList numlist;
5151
5152 g_return_val_if_fail(folder != NULL, -1);
5153 g_return_val_if_fail(FOLDER_CLASS(folder) == &imap_class, -1);
5154 g_return_val_if_fail(item != NULL, -1);
5155
5156 debug_print("getting session...\n");
5157 session = imap_session_get(folder);
5158 if (!session) return -1;
5159
5160 ok = imap_select(session, IMAP_FOLDER(folder), item,
5161 NULL, NULL, NULL, NULL, NULL, FALSE);
5162 if (ok != MAILIMAP_NO_ERROR) {
5163 return ok;
5164 }
5165 numlist.next = NULL;
5166 numlist.data = GINT_TO_POINTER(uid);
5167
5168 ok = imap_set_message_flags
5169 (session, IMAP_FOLDER_ITEM(item), &numlist, IMAP_FLAG_DELETED, NULL, TRUE);
5170 if (ok != MAILIMAP_NO_ERROR) {
5171 log_warning(LOG_PROTOCOL, _("can't set deleted flags: %d\n"), uid);
5172 return ok;
5173 }
5174
5175 ok = imap_cmd_expunge(session);
5176
5177 if (ok != MAILIMAP_NO_ERROR) {
5178 log_warning(LOG_PROTOCOL, _("can't expunge\n"));
5179 return ok;
5180 }
5181
5182 IMAP_FOLDER_ITEM(item)->uid_list = g_slist_remove(
5183 IMAP_FOLDER_ITEM(item)->uid_list, numlist.data);
5184 dir = folder_item_get_path(item);
5185 if (is_dir_exist(dir))
5186 remove_numbered_files(dir, uid, uid);
5187 g_free(dir);
5188 return MAILIMAP_NO_ERROR;
5189 }
5190
5191 static gint compare_msginfo(gconstpointer a, gconstpointer b)
5192 {
5193 return ((MsgInfo *)a)->msgnum - ((MsgInfo *)b)->msgnum;
5194 }
5195
5196 static guint gslist_find_next_num(MsgNumberList **list, guint num)
5197 {
5198 GSList *elem;
5199
5200 g_return_val_if_fail(list != NULL, -1);
5201
5202 for (elem = *list; elem != NULL; elem = g_slist_next(elem))
5203 if (GPOINTER_TO_INT(elem->data) >= num)
5204 break;
5205 *list = elem;
5206 return elem != NULL ? GPOINTER_TO_INT(elem->data) : (gint)-1;
5207 }
5208
5209 static gboolean flag_ok(IMAPFolderItem *item, guint flag)
5210 {
5211 if (item->ok_flags && g_slist_find(item->ok_flags, GUINT_TO_POINTER(flag))) {
5212 debug_print("flag %d is OK\n", flag);
5213 return TRUE;
5214 }
5215 if (item->can_create_flags == ITEM_CAN_CREATE_FLAGS) {
5216 debug_print("creating flags is OK\n");
5217 return TRUE;
5218 }
5219 return FALSE;
5220 }
5221
5222 /*
5223 * NEW and DELETED flags are not syncronized
5224 * - The NEW/RECENT flags in IMAP folders can not really be directly
5225 * modified by Claws Mail
5226 * - The DELETE/DELETED flag in IMAP and Claws Mail do not have the same
5227 * meaning, in IMAP it always removes the messages from the FolderItem
5228 * in Claws Mail it can mean to move the message to Trash
5229 */
5230
5231 typedef struct _get_flags_data {
5232 Folder *folder;
5233 FolderItem *item;
5234 MsgInfoList *msginfo_list;
5235 GHashTable *msgflags;
5236 gboolean full_search;
5237 gboolean done;
5238 } get_flags_data;
5239
5240 static /*gint*/ void *imap_get_flags_thread(void *data)
5241 {
5242 get_flags_data *stuff = (get_flags_data *)data;
5243 Folder *folder = stuff->folder;
5244 FolderItem *fitem = (FolderItem *) stuff->item;
5245 MsgInfoList *msginfo_list = stuff->msginfo_list;
5246 GHashTable *msgflags = stuff->msgflags;
5247 GSList *elem;
5248 carray * lep_uidtab;
5249 IMAPSession *session;
5250 gint ok;
5251 int r = MAILIMAP_NO_ERROR;
5252 GHashTable *flags_hash = NULL;
5253 GHashTable *tags_hash = NULL;
5254 gboolean full_search = stuff->full_search;
5255 GSList *sorted_list = NULL;
5256 GSList *unseen = NULL, *answered = NULL, *flagged = NULL, *deleted = NULL, *forwarded = NULL, *spam = NULL;
5257 GSList *seq_list, *cur;
5258 gboolean reverse_seen = FALSE;
5259 gboolean selected_folder;
5260 gint exists_cnt, unseen_cnt;
5261 gboolean got_alien_tags = FALSE;
5262
5263 session = imap_session_get(folder);
5264
5265 if (session == NULL) {
5266 stuff->done = TRUE;
5267 return GINT_TO_POINTER(-1);
5268 }
5269 selected_folder = (session->mbox != NULL) &&
5270 (!strcmp(session->mbox, fitem->path));
5271
5272 lock_session(session);
5273 if (!selected_folder) {
5274 ok = imap_select(session, IMAP_FOLDER(folder), fitem,
5275 &exists_cnt, NULL, &unseen_cnt, NULL, NULL, TRUE);
5276 if (ok != MAILIMAP_NO_ERROR) {
5277 stuff->done = TRUE;
5278 return GINT_TO_POINTER(-1);
5279 }
5280
5281 if (unseen_cnt > exists_cnt / 2)
5282 reverse_seen = TRUE;
5283 }
5284 else {
5285 if (fitem->unread_msgs > fitem->total_msgs / 2)
5286 reverse_seen = TRUE;
5287 }
5288
5289 sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
5290 if (!full_search) {
5291 seq_list = imap_get_lep_set_from_msglist(IMAP_FOLDER(folder), msginfo_list);
5292 } else {
5293 struct mailimap_set * set;
5294 set = mailimap_set_new_interval(1, 0);
5295 seq_list = g_slist_append(NULL, set);
5296 }
5297
5298 if (folder->account && folder->account->low_bandwidth) {
5299 for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
5300 struct mailimap_set * imapset;
5301 clist * lep_uidlist;
5302 int r;
5303
5304 imapset = cur->data;
5305 if (reverse_seen) {
5306 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SEEN, NULL,
5307 NULL, full_search ? NULL:imapset, &lep_uidlist);
5308 }
5309 else {
5310 r = imap_threaded_search(folder,
5311 IMAP_SEARCH_TYPE_UNSEEN, NULL,
5312 NULL, full_search ? NULL:imapset, &lep_uidlist);
5313 }
5314 if (r == MAILIMAP_NO_ERROR) {
5315 GSList * uidlist;
5316
5317 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5318 mailimap_search_result_free(lep_uidlist);
5319
5320 unseen = g_slist_concat(unseen, uidlist);
5321 } else {
5322 imap_handle_error(SESSION(session), NULL, r);
5323 goto bail;
5324 }
5325
5326 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FLAGGED, NULL,
5327 NULL, full_search ? NULL:imapset, &lep_uidlist);
5328 if (r == MAILIMAP_NO_ERROR) {
5329 GSList * uidlist;
5330
5331 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5332 mailimap_search_result_free(lep_uidlist);
5333
5334 flagged = g_slist_concat(flagged, uidlist);
5335 } else {
5336 imap_handle_error(SESSION(session), NULL, r);
5337 goto bail;
5338 }
5339
5340 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5341 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_ANSWERED, NULL,
5342 NULL, full_search ? NULL:imapset, &lep_uidlist);
5343 if (r == MAILIMAP_NO_ERROR) {
5344 GSList * uidlist;
5345
5346 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5347 mailimap_search_result_free(lep_uidlist);
5348
5349 answered = g_slist_concat(answered, uidlist);
5350 } else {
5351 imap_handle_error(SESSION(session), NULL, r);
5352 goto bail;
5353 }
5354
5355 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_FORWARDED)) {
5356 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_FORWARDED, NULL,
5357 NULL, full_search ? NULL:imapset, &lep_uidlist);
5358 if (r == MAILIMAP_NO_ERROR) {
5359 GSList * uidlist;
5360
5361 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5362 mailimap_search_result_free(lep_uidlist);
5363
5364 forwarded = g_slist_concat(forwarded, uidlist);
5365 } else {
5366 imap_handle_error(SESSION(session), NULL, r);
5367 goto bail;
5368 }
5369 }
5370
5371 if (flag_ok(IMAP_FOLDER_ITEM(fitem), IMAP_FLAG_SPAM)) {
5372 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_SPAM, NULL,
5373 NULL, full_search ? NULL:imapset, &lep_uidlist);
5374 if (r == MAILIMAP_NO_ERROR) {
5375 GSList * uidlist;
5376
5377 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5378 mailimap_search_result_free(lep_uidlist);
5379
5380 spam = g_slist_concat(spam, uidlist);
5381 } else {
5382 imap_handle_error(SESSION(session), NULL, r);
5383 goto bail;
5384 }
5385 }
5386
5387 r = imap_threaded_search(folder, IMAP_SEARCH_TYPE_DELETED, NULL,
5388 NULL, full_search ? NULL:imapset, &lep_uidlist);
5389 if (r == MAILIMAP_NO_ERROR) {
5390 GSList * uidlist;
5391
5392 uidlist = imap_uid_list_from_lep(lep_uidlist, NULL);
5393 mailimap_search_result_free(lep_uidlist);
5394
5395 deleted = g_slist_concat(deleted, uidlist);
5396 } else {
5397 imap_handle_error(SESSION(session), NULL, r);
5398 goto bail;
5399 }
5400 }
5401 }
5402
5403 } else {
5404 r = imap_threaded_fetch_uid_flags(folder, 1, &lep_uidtab);
5405 if (r == MAILIMAP_NO_ERROR) {
5406 flags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5407 tags_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, NULL);
5408 imap_flags_hash_from_lep_uid_flags_tab(lep_uidtab, flags_hash, tags_hash);
5409 imap_fetch_uid_flags_list_free(lep_uidtab);
5410 } else {
5411 imap_handle_error(SESSION(session), NULL, r);
5412 goto bail;
5413 }
5414 }
5415
5416 bail:
5417 if (r == MAILIMAP_NO_ERROR)
5418 unlock_session(session);
5419
5420 for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
5421 MsgInfo *msginfo;
5422 MsgPermFlags flags, oldflags;
5423 gboolean wasnew;
5424
5425 msginfo = (MsgInfo *) elem->data;
5426 flags = msginfo->flags.perm_flags;
5427 wasnew = (flags & MSG_NEW);
5428 oldflags = flags & ~(MSG_NEW|MSG_UNREAD|MSG_REPLIED|MSG_FORWARDED|MSG_MARKED|MSG_DELETED|MSG_SPAM);
5429
5430 if (folder->account && folder->account->low_bandwidth) {
5431 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5432 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_FORWARDED | MSG_MARKED | MSG_SPAM);
5433 } else {
5434 flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW | MSG_MARKED));
5435 }
5436 if (reverse_seen)
5437 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5438 if (gslist_find_next_num(&unseen, msginfo->msgnum) == msginfo->msgnum) {
5439 if (!reverse_seen) {
5440 flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
5441 } else {
5442 flags &= ~(MSG_UNREAD | MSG_NEW);
5443 }
5444 }
5445
5446 if (gslist_find_next_num(&flagged, msginfo->msgnum) == msginfo->msgnum)
5447 flags |= MSG_MARKED;
5448 else
5449 flags &= ~MSG_MARKED;
5450
5451 if (fitem->opened || fitem->processing_pending || fitem == folder->inbox) {
5452 if (gslist_find_next_num(&answered, msginfo->msgnum) == msginfo->msgnum)
5453 flags |= MSG_REPLIED;
5454 else
5455 flags &= ~MSG_REPLIED;
5456 if (gslist_find_next_num(&forwarded, msginfo->msgnum) == msginfo->msgnum)
5457 flags |= MSG_FORWARDED;
5458 else
5459 flags &= ~MSG_FORWARDED;
5460 if (gslist_find_next_num(&spam, msginfo->msgnum) == msginfo->msgnum)
5461 flags |= MSG_SPAM;
5462 else
5463 flags &= ~MSG_SPAM;
5464 if (gslist_find_next_num(&deleted, msginfo->msgnum) == msginfo->msgnum)
5465 flags |= MSG_DELETED;
5466 else
5467 flags &= ~MSG_DELETED;
5468 }
5469 } else {
5470 if (flags_hash != NULL) {
5471
5472 flags = GPOINTER_TO_INT(g_hash_table_lookup(flags_hash,
5473 GINT_TO_POINTER(msginfo->msgnum)));
5474 }
5475
5476 if ((flags & MSG_UNREAD) == 0)
5477 flags &= ~MSG_NEW;
5478 else if (wasnew)
5479 flags |= MSG_NEW;
5480 flags |= oldflags;
5481
5482 if (tags_hash != NULL) {
5483 GSList *tags = g_hash_table_lookup(tags_hash, GINT_TO_POINTER(msginfo->msgnum));
5484 GSList *cur;
5485
5486 g_slist_free(msginfo->tags);
5487 msginfo->tags = NULL;
5488
5489 for (cur = tags; cur; cur = cur->next) {
5490 gchar *real_tag = imap_modified_utf7_to_utf8(cur->data, TRUE);
5491 gint id = 0;
5492 id = tags_get_id_for_str(real_tag);
5493 if (id == -1) {
5494 id = tags_add_tag(real_tag);
5495 got_alien_tags = TRUE;
5496 }
5497 msginfo->tags = g_slist_append(
5498 msginfo->tags,
5499 GINT_TO_POINTER(id));
5500 g_free(real_tag);
5501 }
5502 slist_free_strings_full(tags);
5503 }
5504 }
5505
5506 g_hash_table_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
5507 }
5508
5509 if (got_alien_tags) {
5510 tags_write_tags();
5511 main_window_reflect_tags_changes(mainwindow_get_mainwindow());
5512 }
5513
5514 if (flags_hash)
5515 g_hash_table_destroy(flags_hash);
5516 if (tags_hash)
5517 g_hash_table_destroy(tags_hash);
5518
5519 imap_lep_set_free(seq_list);
5520 g_slist_free(flagged);
5521 g_slist_free(deleted);
5522 g_slist_free(answered);
5523 g_slist_free(forwarded);
5524 g_slist_free(spam);
5525 g_slist_free(unseen);
5526 g_slist_free(sorted_list);
5527
5528 stuff->done = TRUE;
5529 return GINT_TO_POINTER(0);
5530 }
5531
5532 static gint imap_get_flags(Folder *folder, FolderItem *item,
5533 MsgInfoList *msginfo_list, GHashTable *msgflags)
5534 {
5535 gint result;
5536 get_flags_data *data = g_new0(get_flags_data, 1);
5537 data->done = FALSE;
5538 data->folder = folder;
5539 data->item = item;
5540 data->msginfo_list = msginfo_list;
5541 data->msgflags = msgflags;
5542 data->full_search = FALSE;
5543
5544 GSList *tmp = NULL, *cur;
5545
5546 if (prefs_common.work_offline &&
5547 !inc_offline_should_override(FALSE,
5548 _("Claws Mail needs network access in order "
5549 "to access the IMAP server."))) {
5550 g_free(data);
5551 return -1;
5552 }
5553
5554 tmp = folder_item_get_msg_list(item);
5555
5556 if (g_slist_length(tmp) <= g_slist_length(msginfo_list))
5557 data->full_search = TRUE;
5558
5559 for (cur = tmp; cur; cur = cur->next)
5560 procmsg_msginfo_free((MsgInfo **)&(cur->data));
5561
5562 g_slist_free(tmp);
5563
5564 result = GPOINTER_TO_INT(imap_get_flags_thread(data));
5565
5566 g_free(data);
5567 return result;
5568
5569 }
5570
5571 static gboolean process_flags(gpointer key, gpointer value, gpointer user_data)
5572 {
5573 gboolean flags_set = GPOINTER_TO_INT(user_data);
5574 gint flags_value = GPOINTER_TO_INT(key);
5575 hashtable_data *data = (hashtable_data *)value;
5576 IMAPFolderItem *_item = data->item;
5577 FolderItem *item = (FolderItem *)_item;
5578 gint ok = MAILIMAP_ERROR_BAD_STATE;
5579 IMAPSession *session = NULL;
5580
5581 debug_print("getting session...\n");
5582 session = imap_session_get(item->folder);
5583
5584 data->msglist = g_slist_reverse(data->msglist);
5585
5586 debug_print("IMAP %ssetting flags to %d for %d messages\n",
5587 flags_set?"":"un",
5588 flags_value,
5589 g_slist_length(data->msglist));
5590
5591 lock_session(session);
5592 if (session) {
5593 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5594 NULL, NULL, NULL, NULL, NULL, FALSE);
5595 }
5596 if (ok == MAILIMAP_NO_ERROR) {
5597 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5598 data->msglist, flags_value, NULL, flags_set);
5599 } else {
5600 g_warning("can't select mailbox %s", item->path);
5601 }
5602
5603 if (!is_fatal(ok))
5604 unlock_session(session);
5605
5606 g_slist_free(data->msglist);
5607 g_free(data);
5608 return TRUE;
5609 }
5610
5611 static gboolean process_tags(gpointer key, gpointer value, gpointer user_data)
5612 {
5613 gboolean tags_set = GPOINTER_TO_INT(user_data);
5614 TagsData *data = (TagsData *)value;
5615 IMAPFolderItem *_item = data->item;
5616 FolderItem *item = (FolderItem *)_item;
5617 gchar *str = data->str;
5618 gint ok = MAILIMAP_ERROR_BAD_STATE;
5619 IMAPSession *session = NULL;
5620
5621 debug_print("getting session...\n");
5622 session = imap_session_get(item->folder);
5623
5624 data->msglist = g_slist_reverse(data->msglist);
5625
5626 debug_print("IMAP %ssetting tags %s for %d messages\n",
5627 tags_set?"":"un",
5628 str,
5629 g_slist_length(data->msglist));
5630
5631 lock_session(session);
5632 if (session) {
5633 ok = imap_select(session, IMAP_FOLDER(item->folder), item,
5634 NULL, NULL, NULL, NULL, NULL, FALSE);
5635 }
5636 if (ok == MAILIMAP_NO_ERROR) {
5637 GSList list;
5638 list.data = str;
5639 list.next = NULL;
5640 ok = imap_set_message_flags(session, IMAP_FOLDER_ITEM(item),
5641 data->msglist, 0, &list, tags_set);
5642 } else {
5643 g_warning("can't select mailbox %s", item->path);
5644 }
5645
5646 if (!is_fatal(ok))
5647 unlock_session(session);
5648
5649 g_slist_free(data->msglist);
5650 g_free(data->str);
5651 g_free(data);
5652 return TRUE;
5653 }
5654
5655 static void process_hashtable(IMAPFolderItem *item)
5656 {
5657 if (item->flags_set_table) {
5658 g_hash_table_foreach_remove(item->flags_set_table, process_flags, GINT_TO_POINTER(TRUE));
5659 g_hash_table_destroy(item->flags_set_table);
5660 item->flags_set_table = NULL;
5661 }
5662 if (item->flags_unset_table) {
5663 g_hash_table_foreach_remove(item->flags_unset_table, process_flags, GINT_TO_POINTER(FALSE));
5664 g_hash_table_destroy(item->flags_unset_table);
5665 item->flags_unset_table = NULL;
5666 }
5667 if (item->tags_set_table) {
5668 g_hash_table_foreach_remove(item->tags_set_table, process_tags, GINT_TO_POINTER(TRUE));
5669 g_hash_table_destroy(item->tags_set_table);
5670 item->tags_set_table = NULL;
5671 }
5672 if (item->tags_unset_table) {
5673 g_hash_table_foreach_remove(item->tags_unset_table, process_tags, GINT_TO_POINTER(FALSE));
5674 g_hash_table_destroy(item->tags_unset_table);
5675 item->tags_unset_table = NULL;
5676 }
5677
5678 }
5679
5680 static void imap_set_batch (Folder *folder, FolderItem *_item, gboolean batch)
5681 {
5682 IMAPFolderItem *item = (IMAPFolderItem *)_item;
5683 IMAPSession *session;
5684
5685 g_return_if_fail(item != NULL);
5686
5687 if (item->batching == batch)
5688 return;
5689
5690 if (batch) {
5691 item->batching = TRUE;
5692 debug_print("IMAP switching to batch mode\n");
5693 if (!item->flags_set_table) {
5694 item->flags_set_table = g_hash_table_new(NULL, g_direct_equal);
5695 }
5696 if (!item->flags_unset_table) {
5697 item->flags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5698 }
5699 if (!item->tags_set_table) {
5700 item->tags_set_table = g_hash_table_new(NULL, g_direct_equal);
5701 }
5702 if (!item->tags_unset_table) {
5703 item->tags_unset_table = g_hash_table_new(NULL, g_direct_equal);
5704 }
5705 session = imap_session_get(folder);
5706 if (session) {
5707 imap_refresh_sensitivity(session);
5708 session->sens_update_block = TRUE;
5709 }
5710 } else {
5711 debug_print("IMAP switching away from batch mode\n");
5712 /* process stuff */
5713 process_hashtable(item);
5714 item->batching = FALSE;
5715 session = imap_session_get(folder);
5716 if (session) {
5717 session->sens_update_block = FALSE;
5718 imap_refresh_sensitivity(session);
5719 }
5720 }
5721 }
5722
5723
5724
5725 /* data types conversion libetpan <-> claws */
5726
5727
5728
5729 #define ETPAN_IMAP_MB_MARKED 1
5730 #define ETPAN_IMAP_MB_UNMARKED 2
5731 #define ETPAN_IMAP_MB_NOSELECT 4
5732 #define ETPAN_IMAP_MB_NOINFERIORS 8
5733
5734 static int imap_flags_to_flags(struct mailimap_mbx_list_flags * imap_flags)
5735 {
5736 int flags;
5737 clistiter * cur;
5738
5739 flags = 0;
5740 if (imap_flags->mbf_type == MAILIMAP_MBX_LIST_FLAGS_SFLAG) {
5741 switch (imap_flags->mbf_sflag) {
5742 case MAILIMAP_MBX_LIST_SFLAG_MARKED:
5743 flags |= ETPAN_IMAP_MB_MARKED;
5744 break;
5745 case MAILIMAP_MBX_LIST_SFLAG_NOSELECT:
5746 flags |= ETPAN_IMAP_MB_NOSELECT;
5747 break;
5748 case MAILIMAP_MBX_LIST_SFLAG_UNMARKED:
5749 flags |= ETPAN_IMAP_MB_UNMARKED;
5750 break;
5751 }
5752 }
5753
5754 if (imap_flags->mbf_oflags) {
5755 for(cur = clist_begin(imap_flags->mbf_oflags) ; cur != NULL ;
5756 cur = clist_next(cur)) {
5757 struct mailimap_mbx_list_oflag * oflag;
5758
5759 oflag = clist_content(cur);
5760
5761 switch (oflag->of_type) {
5762 case MAILIMAP_MBX_LIST_OFLAG_NOINFERIORS:
5763 flags |= ETPAN_IMAP_MB_NOINFERIORS;
5764 break;
5765 }
5766 }
5767 }
5768 return flags;
5769 }
5770
5771 static GSList * imap_list_from_lep(IMAPFolder * folder,
5772 clist * list, const gchar * real_path, gboolean all)
5773 {
5774 clistiter * iter;
5775 GSList * item_list = NULL, *llast = NULL;
5776
5777 if (list) {
5778 for(iter = clist_begin(list) ; iter != NULL ;
5779 iter = clist_next(iter)) {
5780 struct mailimap_mailbox_list * mb;
5781 int flags;
5782 char delimiter;
5783 char * name;
5784 char * dup_name;
5785 gchar * base;
5786 gchar * loc_name;
5787 gchar * loc_path;
5788 FolderItem *new_item;
5789
5790 mb = clist_content(iter);
5791
5792 if (mb == NULL)
5793 continue;
5794
5795 flags = 0;
5796 if (mb->mb_flag != NULL)
5797 flags = imap_flags_to_flags(mb->mb_flag);
5798
5799 delimiter = mb->mb_delimiter;
5800 name = mb->mb_name;
5801
5802 dup_name = strdup(name);
5803 if (delimiter != '\0')
5804 subst_char(dup_name, delimiter, '/');
5805
5806 base = g_path_get_basename(dup_name);
5807 if (base[0] == '.') {
5808 g_free(base);
5809 free(dup_name);
5810 continue;
5811 }
5812 if (!all && path_cmp(name, real_path) == 0) {
5813 g_free(base);
5814 free(dup_name);
5815 continue;
5816 }
5817
5818 if (!all && dup_name[strlen(dup_name)-1] == '/') {
5819 g_free(base);
5820 free(dup_name);
5821 continue;
5822 }
5823
5824 loc_name = imap_modified_utf7_to_utf8(base, FALSE);
5825 loc_path = imap_modified_utf7_to_utf8(dup_name, FALSE);
5826
5827 new_item = folder_item_new(FOLDER(folder), loc_name, loc_path);
5828 if ((flags & ETPAN_IMAP_MB_NOINFERIORS) != 0)
5829 new_item->no_sub = TRUE;
5830 if (strcasecmp(dup_name, "INBOX") != 0 &&
5831 ((flags & ETPAN_IMAP_MB_NOSELECT) != 0))
5832 new_item->no_select = TRUE;
5833
5834 if (item_list == NULL)
5835 llast = item_list = g_slist_append(item_list, new_item);
5836 else {
5837 llast = g_slist_append(llast, new_item);
5838 llast = llast->next;
5839 }
5840 debug_print("folder '%s' found.\n", loc_path);
5841 g_free(base);
5842 g_free(loc_path);
5843 g_free(loc_name);
5844
5845 free(dup_name);
5846 }
5847 }
5848 return item_list;
5849 }
5850
5851 static GSList * imap_get_lep_set_from_numlist(IMAPFolder *folder, MsgNumberList *numlist)
5852 {
5853 GSList *sorted_list, *cur;
5854 guint first, last, next;
5855 GSList *ret_list = NULL, *llast = NULL;
5856 struct mailimap_set * current_set;
5857 unsigned int item_count;
5858
5859 if (numlist == NULL)
5860 return NULL;
5861
5862 current_set = mailimap_set_new_empty();
5863
5864 sorted_list = g_slist_copy(numlist);
5865 sorted_list = g_slist_sort(sorted_list, g_int_compare);
5866
5867 first = GPOINTER_TO_INT(sorted_list->data);
5868
5869 item_count = 0;
5870 for (cur = sorted_list; cur != NULL; cur = g_slist_next(cur)) {
5871 if (GPOINTER_TO_INT(cur->data) == 0)
5872 continue;
5873
5874 item_count ++;
5875
5876 last = GPOINTER_TO_INT(cur->data);
5877 if (cur->next)
5878 next = GPOINTER_TO_INT(cur->next->data);
5879 else
5880 next = 0;
5881
5882 if (last + 1 != next || next == 0 || item_count >= folder->max_set_size) {
5883
5884 struct mailimap_set_item * item;
5885 item = mailimap_set_item_new(first, last);
5886 mailimap_set_add(current_set, item);
5887
5888 first = next;
5889
5890 if (item_count >= folder->max_set_size) {
5891 if (ret_list == NULL)
5892 llast = ret_list = g_slist_append(ret_list,
5893 current_set);
5894 else {
5895 llast = g_slist_append(llast, current_set);
5896 llast = llast->next;
5897 }
5898
5899 current_set = mailimap_set_new_empty();
5900 item_count = 0;
5901 }
5902 }
5903 }
5904
5905 if (clist_count(current_set->set_list) > 0) {
5906 ret_list = g_slist_append(ret_list,
5907 current_set);
5908 }
5909
5910 g_slist_free(sorted_list);
5911
5912 return ret_list;
5913 }
5914
5915 static GSList * imap_get_lep_set_from_msglist(IMAPFolder *folder, MsgInfoList *msglist)
5916 {
5917 MsgNumberList *numlist = NULL;
5918 GSList *seq_list;
5919
5920 numlist = procmsg_get_number_list_for_msgs(msglist);
5921
5922 seq_list = imap_get_lep_set_from_numlist(folder, numlist);
5923 g_slist_free(numlist);
5924
5925 return seq_list;
5926 }
5927
5928 static GSList * imap_uid_list_from_lep(clist * list, gint* length)
5929 {
5930 clistiter * iter;
5931 GSList * result;
5932 gint len = 0;
5933
5934 result = NULL;
5935
5936 if (list) {
5937 for(iter = clist_begin(list) ; iter != NULL ;
5938 iter = clist_next(iter)) {
5939 uint32_t * puid;
5940
5941 puid = clist_content(iter);
5942 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5943 len++;
5944 }
5945 result = g_slist_reverse(result);
5946 }
5947 if (length)
5948 *length = len;
5949 return result;
5950 }
5951
5952 static GSList * imap_uid_list_from_lep_tab(carray * list)
5953 {
5954 unsigned int i;
5955 GSList * result;
5956
5957 result = NULL;
5958
5959 for(i = 0 ; i < carray_count(list) ; i ++) {
5960 uint32_t * puid;
5961
5962 puid = carray_get(list, i);
5963 result = g_slist_prepend(result, GINT_TO_POINTER(* puid));
5964 }
5965 result = g_slist_reverse(result);
5966 return result;
5967 }
5968
5969 static void imap_flags_hash_from_lep_uid_flags_tab(carray * list,
5970 GHashTable * hash,
5971 GHashTable * tags_hash)
5972 {
5973 unsigned int i;
5974
5975 for(i = 0 ; i < carray_count(list) ; i += 3) {
5976 uint32_t * puid;
5977 int * pflags;
5978 GSList *tags;
5979
5980 puid = carray_get(list, i);
5981 pflags = carray_get(list, i + 1);
5982 tags = carray_get(list, i + 2);
5983
5984 g_hash_table_insert(hash, GINT_TO_POINTER(*puid), GINT_TO_POINTER(* pflags));
5985 g_hash_table_insert(tags_hash, GINT_TO_POINTER(*puid), tags);
5986 }
5987 }
5988
5989 static MsgInfo *imap_envelope_from_lep(struct imap_fetch_env_info * info,
5990 FolderItem *item)
5991 {
5992 MsgInfo *msginfo = NULL;
5993 guint32 uid = 0;
5994 goffset size = 0;
5995 MsgFlags flags = {0, 0};
5996
5997 if (info->headers == NULL)
5998 return NULL;
5999
6000 MSG_SET_TMP_FLAGS(flags, MSG_IMAP);
6001 if (folder_has_parent_of_type(item, F_QUEUE)) {
6002 MSG_SET_TMP_FLAGS(flags, MSG_QUEUED);
6003 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
6004 MSG_SET_TMP_FLAGS(flags, MSG_DRAFT);
6005 }
6006 flags.perm_flags = info->flags;
6007
6008 uid = info->uid;
6009 size = (goffset) info->size;
6010 msginfo = procheader_parse_str(info->headers, flags, FALSE, FALSE);
6011
6012 if (msginfo) {
6013 msginfo->msgnum = uid;
6014 msginfo->size = size;
6015 }
6016
6017 return msginfo;
6018 }
6019
6020 static void imap_lep_set_free(GSList *seq_list)
6021 {
6022 GSList * cur;
6023
6024 for(cur = seq_list ; cur != NULL ; cur = g_slist_next(cur)) {
6025 struct mailimap_set * imapset;
6026
6027 imapset = cur->data;
6028 mailimap_set_free(imapset);
6029 }
6030 g_slist_free(seq_list);
6031 }
6032
6033 static struct mailimap_flag_list * imap_flag_to_lep(IMAPFolderItem *item, IMAPFlags flags, GSList *tags)
6034 {
6035 struct mailimap_flag_list * flag_list;
6036 GSList *cur = tags;
6037
6038 flag_list = mailimap_flag_list_new_empty();
6039
6040 if (IMAP_IS_SEEN(flags))
6041 mailimap_flag_list_add(flag_list,
6042 mailimap_flag_new_seen());
6043 if (IMAP_IS_ANSWERED(flags))
6044 mailimap_flag_list_add(flag_list,
6045 mailimap_flag_new_answered());
6046 if (IMAP_IS_FLAGGED(flags))
6047 mailimap_flag_list_add(flag_list,
6048 mailimap_flag_new_flagged());
6049 if (IMAP_IS_DELETED(flags))
6050 mailimap_flag_list_add(flag_list,
6051 mailimap_flag_new_deleted());
6052 if (IMAP_IS_DRAFT(flags))
6053 mailimap_flag_list_add(flag_list,
6054 mailimap_flag_new_draft());
6055 if (IMAP_IS_FORWARDED(flags) && flag_ok(item, IMAP_FLAG_FORWARDED))
6056 mailimap_flag_list_add(flag_list,
6057 mailimap_flag_new_flag_keyword(strdup(RTAG_FORWARDED)));
6058 if (IMAP_IS_SPAM(flags) && flag_ok(item, IMAP_FLAG_SPAM))
6059 mailimap_flag_list_add(flag_list,
6060 mailimap_flag_new_flag_keyword(strdup(RTAG_JUNK)));
6061 else if (IMAP_IS_HAM(flags) && flag_ok(item, IMAP_FLAG_HAM))
6062 mailimap_flag_list_add(flag_list,
6063 mailimap_flag_new_flag_keyword(strdup(RTAG_NON_JUNK)));
6064
6065 for (; cur; cur = cur->next) {
6066 gchar *enc_str =
6067 imap_utf8_to_modified_utf7(cur->data, TRUE);
6068 g_strstrip(enc_str);
6069
6070 mailimap_flag_list_add(flag_list,
6071 mailimap_flag_new_flag_keyword(enc_str));
6072 }
6073
6074 return flag_list;
6075 }
6076
6077 guint imap_folder_get_refcnt(Folder *folder)
6078 {
6079 return ((IMAPFolder *)folder)->refcnt;
6080 }
6081
6082 void imap_folder_ref(Folder *folder)
6083 {
6084 ((IMAPFolder *)folder)->refcnt++;
6085 }
6086
6087 void imap_disconnect_all(gboolean have_connectivity)
6088 {
6089 GList *list;
6090 gboolean short_timeout;
6091 #ifdef HAVE_NETWORKMANAGER_SUPPORT
6092 GError *error = NULL;
6093
6094 short_timeout = !networkmanager_is_online(&error);
6095 if(error) {
6096 short_timeout = TRUE;
6097 g_error_free(error);
6098 }
6099 #else
6100 short_timeout = TRUE;
6101 #endif
6102
6103 if(short_timeout)
6104 imap_main_set_timeout(1);
6105
6106 for (list = account_get_list(); list != NULL; list = list->next) {
6107 PrefsAccount *account = list->data;
6108 if (account->protocol == A_IMAP4) {
6109 RemoteFolder *folder = (RemoteFolder *)account->folder;
6110 if (folder && folder->session) {
6111 if (imap_is_busy(FOLDER(folder)))
6112 imap_threaded_cancel(FOLDER(folder));
6113
6114 IMAPSession *session = (IMAPSession *)folder->session;
6115 if (have_connectivity)
6116 imap_threaded_disconnect(FOLDER(folder));
6117 SESSION(session)->state = SESSION_DISCONNECTED;
6118 SESSION(session)->sock = NULL;
6119 imap_safe_destroy(session);
6120 folder->session = NULL;
6121 }
6122 }
6123 }
6124
6125 if(short_timeout)
6126 imap_main_set_timeout(prefs_common.io_timeout_secs);
6127 }
6128
6129 void imap_folder_unref(Folder *folder)
6130 {
6131 if (((IMAPFolder *)folder)->refcnt > 0)
6132 ((IMAPFolder *)folder)->refcnt--;
6133 }
6134
6135 void imap_cancel_all(void)
6136 {
6137 GList *folderlist;
6138 GList *cur;
6139
6140 folderlist = folder_get_list();
6141 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6142 Folder *folder = (Folder *) cur->data;
6143
6144 if (folder->klass == &imap_class) {
6145 if (imap_is_busy(folder)) {
6146 IMAPSession *imap_session;
6147 RemoteFolder *rfolder;
6148
6149 g_printerr("cancelled\n");
6150 imap_threaded_cancel(folder);
6151 rfolder = (RemoteFolder *) folder;
6152 imap_session = (IMAPSession *) rfolder->session;
6153 if (imap_session)
6154 imap_session->cancelled = 1;
6155 }
6156 }
6157 }
6158 }
6159
6160 gboolean imap_cancel_all_enabled(void)
6161 {
6162 GList *folderlist;
6163 GList *cur;
6164
6165 folderlist = folder_get_list();
6166 for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
6167 Folder *folder = (Folder *) cur->data;
6168
6169 if (folder->klass == &imap_class) {
6170 if (imap_is_busy(folder)) {
6171 return TRUE;
6172 }
6173 }
6174 }
6175
6176 return FALSE;
6177 }
6178
6179 static gboolean imap_is_busy(Folder *folder)
6180 {
6181 IMAPSession *imap_session;
6182 RemoteFolder *rfolder;
6183
6184 rfolder = (RemoteFolder *) folder;
6185 imap_session = (IMAPSession *) rfolder->session;
6186 if (imap_session == NULL)
6187 return FALSE;
6188
6189 return imap_session->busy;
6190 }
6191
6192 #else /* HAVE_LIBETPAN */
6193
6194 static FolderClass imap_class;
6195
6196 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item);
6197 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag);
6198
6199 static Folder *imap_folder_new (const gchar *name,
6200 const gchar *path)
6201 {
6202 static gboolean missing_imap_warning = TRUE;
6203 if (missing_imap_warning) {
6204 missing_imap_warning = FALSE;
6205 alertpanel_error(
6206 _("You have one or more IMAP accounts "
6207 "defined. However this version of "
6208 "Claws Mail has been built without "
6209 "IMAP support; your IMAP accounts are "
6210 "disabled.\n\n"
6211 "You probably need to "
6212 "install libetpan and recompile "
6213 "Claws Mail."));
6214 }
6215 return NULL;
6216 }
6217 static gint imap_create_tree (Folder *folder)
6218 {
6219 return -1;
6220 }
6221 static FolderItem *imap_create_folder (Folder *folder,
6222 FolderItem *parent,
6223 const gchar *name)
6224 {
6225 return NULL;
6226 }
6227 static gint imap_rename_folder (Folder *folder,
6228 FolderItem *item,
6229 const gchar *name)
6230 {
6231 return -1;
6232 }
6233
6234 gchar imap_get_path_separator_for_item(FolderItem *item)
6235 {
6236 return '/';
6237 }
6238
6239 FolderClass *imap_get_class(void)
6240 {
6241 if (imap_class.idstr == NULL) {
6242 imap_class.type = F_IMAP;
6243 imap_class.idstr = "imap";
6244 imap_class.uistr = "IMAP";
6245
6246 imap_class.new_folder = imap_folder_new;
6247 imap_class.create_tree = imap_create_tree;
6248 imap_class.create_folder = imap_create_folder;
6249 imap_class.rename_folder = imap_rename_folder;
6250
6251 imap_class.set_xml = folder_set_xml;
6252 imap_class.get_xml = folder_get_xml;
6253 imap_class.item_set_xml = imap_item_set_xml;
6254 imap_class.item_get_xml = imap_item_get_xml;
6255 /* nothing implemented */
6256 }
6257
6258 return &imap_class;
6259 }
6260
6261 void imap_disconnect_all(gboolean have_connectivity)
6262 {
6263 }
6264
6265 gint imap_subscribe(Folder *folder, FolderItem *item, gchar *rpath, gboolean sub)
6266 {
6267 return -1;
6268 }
6269
6270 GList * imap_scan_subtree(Folder *folder, FolderItem *item, gboolean unsubs_only, gboolean recursive)
6271 {
6272 return NULL;
6273 }
6274
6275 void imap_cache_msg(FolderItem *item, gint msgnum)
6276 {
6277 }
6278
6279 void imap_cancel_all(void)
6280 {
6281 }
6282
6283 gboolean imap_cancel_all_enabled(void)
6284 {
6285 return FALSE;
6286 }
6287
6288 #endif
6289
6290 #ifdef HAVE_LIBETPAN
6291 static void imap_synchronise(FolderItem *item, gint days)
6292 {
6293 if (IMAP_FOLDER_ITEM(item)->last_sync == IMAP_FOLDER_ITEM(item)->last_change) {
6294 debug_print("%s already synced\n", item->path?item->path:item->name);
6295 return;
6296 }
6297 debug_print("syncing %s\n", item->path?item->path:item->name);
6298 imap_gtk_synchronise(item, days);
6299 IMAP_FOLDER_ITEM(item)->last_sync = IMAP_FOLDER_ITEM(item)->last_change;
6300 }
6301 #endif
6302
6303 static void imap_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
6304 {
6305 #ifdef HAVE_LIBETPAN
6306 GList *cur;
6307 #endif
6308 folder_item_set_xml(folder, item, tag);
6309
6310 #ifdef HAVE_LIBETPAN
6311 for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
6312 XMLAttr *attr = (XMLAttr *) cur->data;
6313
6314 if (!attr || !attr->name || !attr->value) continue;
6315 if (!strcmp(attr->name, "uidnext"))
6316 IMAP_FOLDER_ITEM(item)->uid_next = atoi(attr->value);
6317 if (!strcmp(attr->name, "last_sync"))
6318 IMAP_FOLDER_ITEM(item)->last_sync = atoi(attr->value);
6319 if (!strcmp(attr->name, "last_change"))
6320 IMAP_FOLDER_ITEM(item)->last_change = atoi(attr->value);
6321 }
6322 if (IMAP_FOLDER_ITEM(item)->last_change == 0)
6323 IMAP_FOLDER_ITEM(item)->last_change = time(NULL);
6324 #endif
6325 }
6326
6327 static XMLTag *imap_item_get_xml(Folder *folder, FolderItem *item)
6328 {
6329 XMLTag *tag;
6330
6331 tag = folder_item_get_xml(folder, item);
6332
6333 #ifdef HAVE_LIBETPAN
6334 xml_tag_add_attr(tag, xml_attr_new_int("uidnext",
6335 IMAP_FOLDER_ITEM(item)->uid_next));
6336 xml_tag_add_attr(tag, xml_attr_new_int("last_sync",
6337 IMAP_FOLDER_ITEM(item)->last_sync));
6338 xml_tag_add_attr(tag, xml_attr_new_int("last_change",
6339 IMAP_FOLDER_ITEM(item)->last_change));
6340
6341 #endif
6342 return tag;
6343 }
6344
6345 /* ===================================================================
6346 * UTF-7 conversion routines as in RFC 2192
6347 * ===================================================================
6348 * These two functions from:
6349 * libimap library.
6350 * Copyright (C) 2003-2004 Pawel Salek. */
6351
6352 /* UTF7 modified base64 alphabet */
6353 static char base64chars[] =
6354 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+,";
6355 #define UNDEFINED 64
6356
6357 /* UTF16 definitions */
6358 #define UTF16MASK 0x03FFUL
6359 #define UTF16SHIFT 10
6360 #define UTF16BASE 0x10000UL
6361 #define UTF16HIGHSTART 0xD800UL
6362 #define UTF16HIGHEND 0xDBFFUL
6363 #define UTF16LOSTART 0xDC00UL
6364 #define UTF16LOEND 0xDFFFUL
6365
6366
6367 /* Convert an IMAP mailbox to a UTF-8 string.
6368 * dst needs to have roughly 4 times the storage space of src
6369 * Hex encoding can triple the size of the input
6370 * UTF-7 can be slightly denser than UTF-8
6371 * (worst case: 8 octets UTF-7 becomes 9 octets UTF-8)
6372 */
6373 char* imap_modified_utf7_to_utf8(const char *mbox, gboolean change_spaces)
6374 {
6375 unsigned c, i, bitcount;
6376 unsigned long ucs4, utf16, bitbuf;
6377 unsigned char base64[256];
6378 const char *src;
6379 char *dst, *res = g_malloc(2*strlen(mbox)+1);
6380
6381 dst = res;
6382 src = mbox;
6383 if(!dst) return NULL;
6384 /* initialize modified base64 decoding table */
6385 memset(base64, UNDEFINED, sizeof (base64));
6386 for (i = 0; i < sizeof (base64chars); ++i) {
6387 base64[(unsigned)base64chars[i]] = i;
6388 }
6389
6390 /* loop until end of string */
6391 while (*src != '\0') {
6392 c = *src++;
6393 /* deal with literal characters and &- */
6394 if (c != '&' || *src == '-') {
6395 /* encode literally */
6396 if (change_spaces && c == '_')
6397 *dst++ = ' ';
6398 else
6399 *dst++ = c;
6400 /* skip over the '-' if this is an &- sequence */
6401 if (c == '&') ++src;
6402 } else {
6403 /* convert modified UTF-7 -> UTF-16 -> UCS-4 -> UTF-8 -> HEX */
6404 bitbuf = 0;
6405 bitcount = 0;
6406 ucs4 = 0;
6407 while ((c = base64[(unsigned char) *src]) != UNDEFINED) {
6408 ++src;
6409 bitbuf = (bitbuf << 6) | c;
6410 bitcount += 6;
6411 /* enough bits for a UTF-16 character? */
6412 if (bitcount >= 16) {
6413 bitcount -= 16;
6414 utf16 = (bitcount ? bitbuf >> bitcount
6415 : bitbuf) & 0xffff;
6416 /* convert UTF16 to UCS4 */
6417 if
6418 (utf16 >= UTF16HIGHSTART && utf16 <= UTF16HIGHEND) {
6419 ucs4 = (utf16 - UTF16HIGHSTART) << UTF16SHIFT;
6420 continue;
6421 } else if
6422 (utf16 >= UTF16LOSTART && utf16 <= UTF16LOEND) {
6423 ucs4 += utf16 - UTF16LOSTART + UTF16BASE;
6424 } else {
6425 ucs4 = utf16;
6426 }
6427
6428 /* convert UTF-16 range of UCS4 to UTF-8 */
6429 if (ucs4 <= 0x7fUL) {
6430 dst[0] = ucs4;
6431 dst += 1;
6432 } else if (ucs4 <= 0x7ffUL) {
6433 dst[0] = 0xc0 | (ucs4 >> 6);
6434 dst[1] = 0x80 | (ucs4 & 0x3f);
6435 dst += 2;
6436 } else if (ucs4 <= 0xffffUL) {
6437 dst[0] = 0xe0 | (ucs4 >> 12);
6438 dst[1] = 0x80 | ((ucs4 >> 6) & 0x3f);
6439 dst[2] = 0x80 | (ucs4 & 0x3f);
6440 dst += 3;
6441 } else {
6442 dst[0] = 0xf0 | (ucs4 >> 18);
6443 dst[1] = 0x80 | ((ucs4 >> 12) & 0x3f);
6444 dst[2] = 0x80 | ((ucs4 >> 6) & 0x3f);
6445 dst[3] = 0x80 | (ucs4 & 0x3f);
6446 dst += 4;
6447 }
6448 }
6449 }
6450 /* skip over trailing '-' in modified UTF-7 encoding */
6451 if (*src == '-') ++src;
6452 }
6453 }
6454 /* terminate destination string */
6455 *dst = '\0';
6456 return res;
6457 }
6458
6459 /* Convert hex coded UTF-8 string to modified UTF-7 IMAP mailbox
6460 * dst should be about twice the length of src to deal with non-hex
6461 * coded URLs
6462 */
6463 char* imap_utf8_to_modified_utf7(const char *src, gboolean change_spaces)
6464 {
6465 unsigned int utf8pos, utf8total, c, utf7mode, bitstogo, utf16flag;
6466 unsigned long ucs4 = 0, bitbuf = 0;
6467
6468 /* initialize hex lookup table */
6469 char *dst, *res;
6470
6471 if (!src) return NULL;
6472
6473 res = malloc(2*strlen(src)+1);
6474 dst = res;
6475 if(!dst) return NULL;
6476
6477 utf7mode = 0;
6478 utf8total = 0;
6479 bitstogo = 0;
6480 utf8pos = 0;
6481 while ((c = (unsigned char)*src) != '\0') {
6482 ++src;
6483 /* normal character? */
6484 if (c >= ' ' && c <= '~' && (c != '_' || !change_spaces)) {
6485 /* switch out of UTF-7 mode */
6486 if (utf7mode) {
6487 if (bitstogo) {
6488 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6489 }
6490 *dst++ = '-';
6491 utf7mode = 0;
6492 utf8pos = 0;
6493 bitstogo = 0;
6494 utf8total= 0;
6495 }
6496 if (change_spaces && c == ' ')
6497 *dst++ = '_';
6498 else
6499 *dst++ = c;
6500 /* encode '&' as '&-' */
6501 if (c == '&') {
6502 *dst++ = '-';
6503 }
6504 continue;
6505 }
6506 /* switch to UTF-7 mode */
6507 if (!utf7mode) {
6508 *dst++ = '&';
6509 utf7mode = 1;
6510 }
6511 /* Encode US-ASCII characters as themselves */
6512 if (c < 0x80) {
6513 ucs4 = c;
6514 } else if (utf8total) {
6515 /* save UTF8 bits into UCS4 */
6516 ucs4 = (ucs4 << 6) | (c & 0x3FUL);
6517 if (++utf8pos < utf8total) {
6518 continue;
6519 }
6520 } else {
6521 utf8pos = 1;
6522 if (c < 0xE0) {
6523 utf8total = 2;
6524 ucs4 = c & 0x1F;
6525 } else if (c < 0xF0) {
6526 utf8total = 3;
6527 ucs4 = c & 0x0F;
6528 } else {
6529 /* NOTE: can't convert UTF8 sequences longer than 4 */
6530 utf8total = 4;
6531 ucs4 = c & 0x03;
6532 }
6533 continue;
6534 }
6535 /* loop to split ucs4 into two utf16 chars if necessary */
6536 utf8total = 0;
6537 do {
6538 if (ucs4 >= UTF16BASE) {
6539 ucs4 -= UTF16BASE;
6540 bitbuf = (bitbuf << 16) | ((ucs4 >> UTF16SHIFT)
6541 + UTF16HIGHSTART);
6542 ucs4 = (ucs4 & UTF16MASK) + UTF16LOSTART;
6543 utf16flag = 1;
6544 } else {
6545 bitbuf = (bitbuf << 16) | ucs4;
6546 utf16flag = 0;
6547 }
6548 bitstogo += 16;
6549 /* spew out base64 */
6550 while (bitstogo >= 6) {
6551 bitstogo -= 6;
6552 *dst++ = base64chars[(bitstogo ? (bitbuf >> bitstogo)
6553 : bitbuf)
6554 & 0x3F];
6555 }
6556 } while (utf16flag);
6557 }
6558 /* if in UTF-7 mode, finish in ASCII */
6559 if (utf7mode) {
6560 if (bitstogo) {
6561 *dst++ = base64chars[(bitbuf << (6 - bitstogo)) & 0x3F];
6562 }
6563 *dst++ = '-';
6564 }
6565 /* tie off string */
6566 *dst = '\0';
6567 return res;
6568 }