108b627ebe95d911d607bdfa4336fbf48bbd863b
[claws.git] / src / inc.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2002 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 2 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, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <gtk/gtkmain.h>
28 #include <gtk/gtkwindow.h>
29 #include <gtk/gtksignal.h>
30 #include <gtk/gtkprogressbar.h>
31 #include <stdio.h>
32 #include <unistd.h>
33 #include <string.h>
34 #include <time.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <sys/wait.h>
38 #include <signal.h>
39 #include <errno.h>
40
41 #include "intl.h"
42 #include "main.h"
43 #include "inc.h"
44 #include "mainwindow.h"
45 #include "folderview.h"
46 #include "summaryview.h"
47 #include "prefs_common.h"
48 #include "prefs_account.h"
49 #include "account.h"
50 #include "procmsg.h"
51 #include "socket.h"
52 #include "ssl.h"
53 #include "pop.h"
54 #include "recv.h"
55 #include "mbox.h"
56 #include "utils.h"
57 #include "gtkutils.h"
58 #include "statusbar.h"
59 #include "manage_window.h"
60 #include "stock_pixmap.h"
61 #include "progressdialog.h"
62 #include "inputdialog.h"
63 #include "alertpanel.h"
64 #include "filter.h"
65 #include "automaton.h"
66 #include "folder.h"
67 #include "filtering.h"
68 #include "selective_download.h"
69
70 static GList *inc_dialog_list = NULL;
71
72 static guint inc_lock_count = 0;
73
74 static GdkPixmap *currentxpm;
75 static GdkBitmap *currentxpmmask;
76 static GdkPixmap *errorxpm;
77 static GdkBitmap *errorxpmmask;
78 static GdkPixmap *okxpm;
79 static GdkBitmap *okxpmmask;
80
81 #define MSGBUFSIZE      8192
82
83 static void inc_finished                (MainWindow             *mainwin,
84                                          gboolean                new_messages);
85 static gint inc_account_mail            (PrefsAccount           *account,
86                                          MainWindow             *mainwin);
87
88 static IncProgressDialog *inc_progress_dialog_create    (void);
89 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
90
91 static IncSession *inc_session_new      (PrefsAccount           *account);
92 static void inc_session_destroy         (IncSession             *session);
93 static gint inc_start                   (IncProgressDialog      *inc_dialog);
94 static IncState inc_pop3_session_do     (IncSession             *session);
95 static gint pop3_automaton_terminate    (SockInfo               *source,
96                                          Automaton              *atm);
97
98 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
99                                          gint            count,
100                                          gint            read_bytes,
101                                          gpointer        data);
102
103 static void inc_put_error               (IncState        istate);
104
105 static void inc_cancel_cb               (GtkWidget      *widget,
106                                          gpointer        data);
107 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
108                                          GdkEventAny    *event,
109                                          gpointer        data);
110
111 static gint inc_spool                   (void);
112 static gint get_spool                   (FolderItem     *dest,
113                                          const gchar    *mbox);
114
115 static void inc_spool_account(PrefsAccount *account);
116 static void inc_all_spool(void);
117 static void inc_autocheck_timer_set_interval    (guint           interval);
118 static gint inc_autocheck_func                  (gpointer        data);
119
120 static void inc_notify_cmd              (gint new_msgs, 
121                                          gboolean notify);
122
123 #define FOLDER_SUMMARY_MISMATCH(f, s) \
124         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
125         : FALSE
126         
127 /**
128  * inc_finished:
129  * @mainwin: Main window.
130  * @new_messages: TRUE if some messages have been received.
131  * 
132  * Update the folder view and the summary view after receiving
133  * messages.  If @new_messages is FALSE, this function avoids unneeded
134  * updating.
135  **/
136 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
137 {
138         FolderItem *item;
139
140         if (prefs_common.scan_all_after_inc)
141                 folderview_check_new(NULL);
142
143         if (!new_messages && !prefs_common.scan_all_after_inc) return;
144
145         if (prefs_common.open_inbox_on_inc) {
146                 item = cur_account && cur_account->inbox
147                         ? folder_find_item_from_identifier(cur_account->inbox)
148                         : folder_get_default_inbox();
149                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {      
150                         folderview_unselect(mainwin->folderview);
151                         folderview_select(mainwin->folderview, item);
152                 }       
153         } else if (prefs_common.scan_all_after_inc) {
154                 item = mainwin->summaryview->folder_item;
155                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
156                         folderview_update_item(item, TRUE);
157                 }       
158         }
159 }
160
161 void inc_mail(MainWindow *mainwin, gboolean notify)
162 {
163         gint new_msgs = 0;
164
165         if (inc_lock_count) return;
166
167         if (prefs_common.work_offline)
168                 if (alertpanel(_("Offline warning"), 
169                                _("You're working offline. Override?"),
170                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
171                 return;
172
173         inc_autocheck_timer_remove();
174         main_window_lock(mainwin);
175
176         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
177                 /* external incorporating program */
178                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
179                         main_window_unlock(mainwin);
180                         inc_autocheck_timer_set();
181                         return;
182                 }
183
184                 if (prefs_common.inc_local)
185                         new_msgs = inc_spool();
186
187                 if (new_msgs <= 0)
188                         new_msgs = 1;
189         } else {
190                 if (prefs_common.inc_local) {
191                         new_msgs = inc_spool();
192                         if (new_msgs < 0)
193                                 new_msgs = 0;
194                 }
195                 cur_account->session = STYPE_NORMAL;
196                 new_msgs += inc_account_mail(cur_account, mainwin);
197         }
198
199         inc_finished(mainwin, new_msgs > 0);
200         main_window_unlock(mainwin);
201         inc_notify_cmd(new_msgs, notify);
202         inc_autocheck_timer_set();
203 }
204
205 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
206 {
207         GSList *cur;
208         gint new_msgs = 0;
209
210         acc->session = session;
211         inc_account_mail(acc, mainwin);
212         acc->session = STYPE_NORMAL;
213         
214         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
215                 HeaderItems *items =(HeaderItems*)cur->data;
216
217                 if (items->state == SD_DOWNLOADED && 
218                     items->del_by_old_session == FALSE) {
219                         new_msgs++;                     
220                 }
221         }
222
223         if (new_msgs) {
224                 inc_finished(mainwin, TRUE);
225                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
226         }
227 }
228
229 void inc_pop_before_smtp(PrefsAccount *acc)
230 {
231         acc->session = STYPE_POP_BEFORE_SMTP;
232         inc_account_mail(acc, NULL);
233 }
234
235 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
236 {
237         IncProgressDialog *inc_dialog;
238         IncSession *session;
239         gchar *text[3];
240         FolderItem *item;
241         
242         if(mainwin && mainwin->summaryview)
243                 item = mainwin->summaryview->folder_item;
244
245         switch (account->protocol) {
246         case A_IMAP4:
247         case A_NNTP:
248                 folderview_check_new(FOLDER(account->folder));
249                 if (!prefs_common.scan_all_after_inc && item != NULL &&
250                     FOLDER(account->folder) == item->folder)
251                         folderview_update_item(item, TRUE);
252                 return 1;
253
254         case A_POP3:
255         case A_APOP:
256                 session = inc_session_new(account);
257                 if (!session) return 0;
258                 
259                 inc_dialog = inc_progress_dialog_create();
260                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
261                                                        session);
262                 inc_dialog->mainwin = mainwin;
263                 session->data = inc_dialog;
264         
265                 text[0] = NULL;
266                 text[1] = account->account_name;
267                 text[2] = _("Standby");
268                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
269                 
270                 if (mainwin) {
271                         toolbar_set_sensitive(mainwin);
272                         main_window_set_menu_sensitive(mainwin);
273                 }
274                         
275                 return inc_start(inc_dialog);
276
277         case A_LOCAL:
278                 inc_spool_account(account);
279                 return 1;
280
281         default:
282                 break;
283         }
284         return 0;
285 }
286
287 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
288 {
289         GList *list, *queue_list = NULL;
290         IncProgressDialog *inc_dialog;
291         gint new_msgs = 0;
292         
293         if (prefs_common.work_offline)
294                 if (alertpanel(_("Offline warning"), 
295                                _("You're working offline. Override?"),
296                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
297                 return;
298
299         if (inc_lock_count) return;
300
301         inc_autocheck_timer_remove();
302         main_window_lock(mainwin);
303
304         if (prefs_common.inc_local) {
305                 new_msgs = inc_spool();
306                 if (new_msgs < 0)
307                         new_msgs = 0;
308         }
309
310         list = account_get_list();
311         if (!list) {
312                 inc_finished(mainwin, new_msgs > 0);
313                 main_window_unlock(mainwin);
314                 inc_notify_cmd(new_msgs, notify);
315                 inc_autocheck_timer_set();
316                 return;
317         }
318
319         /* check local folders */
320         inc_all_spool();
321
322         /* check IMAP4 folders */
323         for (; list != NULL; list = list->next) {
324                 PrefsAccount *account = list->data;
325                 if ((account->protocol == A_IMAP4 ||
326                      account->protocol == A_NNTP) && account->recv_at_getall) {
327                         FolderItem *item = mainwin->summaryview->folder_item;
328
329                         folderview_check_new(FOLDER(account->folder));
330                         if (!prefs_common.scan_all_after_inc && item != NULL &&
331                             FOLDER(account->folder) == item->folder)
332                                 folderview_update_item(item, TRUE);
333                 }
334         }
335
336         /* check POP3 accounts */
337         for (list = account_get_list(); list != NULL; list = list->next) {
338                 IncSession *session;
339                 PrefsAccount *account = list->data;
340                 account->session = STYPE_NORMAL;
341                 if (account->recv_at_getall) {
342                         session = inc_session_new(account);
343                         if (session)
344                                 queue_list = g_list_append(queue_list, session);
345                 }
346         }
347
348         if (!queue_list) {
349                 inc_finished(mainwin, new_msgs > 0);
350                 main_window_unlock(mainwin);
351                 inc_notify_cmd(new_msgs, notify);
352                 inc_autocheck_timer_set();
353                 return;
354         }
355
356         inc_dialog = inc_progress_dialog_create();
357         inc_dialog->queue_list = queue_list;
358         inc_dialog->mainwin = mainwin;
359         for (list = queue_list; list != NULL; list = list->next) {
360                 IncSession *session = list->data;
361                 gchar *text[3];
362
363                 session->data = inc_dialog;
364
365                 text[0] = NULL;
366                 text[1] = session->pop3_state->ac_prefs->account_name;
367                 text[2] = _("Standby");
368                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
369         }
370
371         toolbar_set_sensitive(mainwin);
372         main_window_set_menu_sensitive(mainwin);
373
374         new_msgs += inc_start(inc_dialog);
375
376         inc_finished(mainwin, new_msgs > 0);
377         main_window_unlock(mainwin);
378         inc_notify_cmd(new_msgs, notify);
379         inc_autocheck_timer_set();
380 }
381
382 static IncProgressDialog *inc_progress_dialog_create(void)
383 {
384         IncProgressDialog *dialog;
385         ProgressDialog *progress;
386
387         dialog = g_new0(IncProgressDialog, 1);
388
389         progress = progress_dialog_create();
390         gtk_window_set_title(GTK_WINDOW(progress->window),
391                              _("Retrieving new messages"));
392         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
393                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
394         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
395                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
396         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
397
398         progress_dialog_set_value(progress, 0.0);
399
400         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
401                          &okxpm, &okxpmmask);
402         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
403                          &currentxpm, &currentxpmmask);
404         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
405                          &errorxpm, &errorxpmmask);
406
407         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
408             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
409              manage_window_get_focus_window())) {
410                 dialog->show_dialog = TRUE;
411                 gtk_widget_show_now(progress->window);
412         }
413
414         dialog->dialog = progress;
415         dialog->queue_list = NULL;
416
417         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
418
419         return dialog;
420 }
421
422 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
423 {
424         progress_dialog_set_value(inc_dialog->dialog, 0.0);
425         progress_dialog_set_label(inc_dialog->dialog, "");
426         if (inc_dialog->mainwin)
427                 gtk_progress_bar_update
428                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
429 }
430
431 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
432 {
433         g_return_if_fail(inc_dialog != NULL);
434
435         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
436         if (inc_dialog->mainwin)
437                 gtk_progress_bar_update
438                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
439         progress_dialog_destroy(inc_dialog->dialog);
440
441         g_free(inc_dialog);
442 }
443
444 static IncSession *inc_session_new(PrefsAccount *account)
445 {
446         IncSession *session;
447
448         g_return_val_if_fail(account != NULL, NULL);
449
450         if (account->protocol != A_POP3 && account->protocol != A_APOP)
451                 return NULL;
452         if (!account->recv_server || !account->userid)
453                 return NULL;
454
455         session = g_new0(IncSession, 1);
456         session->pop3_state = pop3_state_new(account);
457         session->pop3_state->data = session;
458         session->folder_table = g_hash_table_new(NULL, NULL);
459
460         return session;
461 }
462
463 static void inc_session_destroy(IncSession *session)
464 {
465         g_return_if_fail(session != NULL);
466
467         pop3_state_destroy(session->pop3_state);
468         g_hash_table_destroy(session->folder_table);
469         g_free(session);
470 }
471
472 static gint inc_start(IncProgressDialog *inc_dialog)
473 {
474         IncSession *session;
475         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
476         Pop3State *pop3_state;
477         IncState inc_state;
478         gint num = 0;
479         gint error_num = 0;
480         gint new_msgs = 0;
481         gchar *msg;
482         gchar *fin_msg;
483
484         while (inc_dialog->queue_list != NULL) {
485                 session = inc_dialog->queue_list->data;
486                 pop3_state = session->pop3_state;
487
488                 inc_progress_dialog_clear(inc_dialog);
489
490                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
491
492                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
493                 if (pop3_state->ac_prefs->passwd)
494                         pop3_state->pass =
495                                 g_strdup(pop3_state->ac_prefs->passwd);
496                 else if (pop3_state->ac_prefs->tmp_pass)
497                         pop3_state->pass =
498                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
499                 else {
500                         gchar *pass;
501
502                         pass = input_dialog_query_password
503                                 (pop3_state->ac_prefs->recv_server,
504                                  pop3_state->user);
505
506                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
507                                 manage_window_focus_in
508                                         (inc_dialog->mainwin->window,
509                                          NULL, NULL);
510                         if (pass) {
511                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
512                                 pop3_state->pass = pass;
513                         } else {
514                                 inc_session_destroy(session);
515                                 inc_dialog->queue_list = g_list_remove
516                                         (inc_dialog->queue_list, session);
517                                 continue;
518                         }
519                 }
520
521                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
522                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
523
524                 /* begin POP3 session */
525                 inc_state = inc_pop3_session_do(session);
526
527                 switch (inc_state) {
528                 case INC_SUCCESS:
529                         if (pop3_state->cur_total_num > 0)
530                                 msg = g_strdup_printf
531                                         (_("Done (%d message(s) (%s) received)"),
532                                          pop3_state->cur_total_num,
533                                          to_human_readable(pop3_state->cur_total_recv_bytes));
534                         else
535                                 msg = g_strdup_printf(_("Done (no new messages)"));
536                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
537                         gtk_clist_set_text(clist, num, 2, msg);
538                         g_free(msg);
539                         break;
540                 case INC_CONNECT_ERROR:
541                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
542                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
543                         break;
544                 case INC_AUTH_FAILED:
545                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
546                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
547                         break;
548                 case INC_LOCKED:
549                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
550                         gtk_clist_set_text(clist, num, 2, _("Locked"));
551                         break;
552                 case INC_ERROR:
553                 case INC_NOSPACE:
554                 case INC_SOCKERR:
555                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
556                         gtk_clist_set_text(clist, num, 2, _("Error"));
557                         break;
558                 case INC_CANCEL:
559                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
560                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
561                         break;
562                 default:
563                         break;
564                 }
565                 
566                 if (pop3_state->error_val == PS_AUTHFAIL) {
567                         if(!prefs_common.no_recv_err_panel) {
568                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
569                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
570                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
571                                 }
572                                 alertpanel_error
573                                         (_("Authorization for %s on %s failed"),
574                                          pop3_state->user,
575                                          pop3_state->ac_prefs->recv_server);
576                         }
577                 }
578
579                 statusbar_pop_all();
580
581                 /* CLAWS: perform filtering actions on dropped message */
582                 if (global_processing != NULL) {
583                         FolderItem *processing, *inbox;
584                         MsgInfo *msginfo;
585                         GSList *msglist, *msglist_element;
586
587                         /* CLAWS: get default inbox (perhaps per account) */
588                         if (pop3_state->ac_prefs->inbox) {
589                                 /* CLAWS: get destination folder / mailbox */
590                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
591                                 if (!inbox)
592                                         inbox = folder_get_default_inbox();
593                         } else
594                                 inbox = folder_get_default_inbox();
595
596                         /* get list of messages in processing */
597                         processing = folder_get_default_processing();
598                         folder_item_scan(processing);
599                         msglist = folder_item_get_msg_list(processing);
600
601                         /* process messages */
602                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
603                                 msginfo = (MsgInfo *) msglist_element->data;
604                                 /* filter if enabled in prefs or move to inbox if not */
605                                 if(pop3_state->ac_prefs->filter_on_recv) {
606                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
607                                                                              session->folder_table,
608                                                                              inbox);
609                                 } else {
610                                         folder_item_move_msg(inbox, msginfo);
611                                         g_hash_table_insert(session->folder_table, inbox,
612                                                             GINT_TO_POINTER(1));
613                                 }
614                                 procmsg_msginfo_free(msginfo);
615                         }
616                         g_slist_free(msglist);
617                 }
618
619
620                 new_msgs += pop3_state->cur_total_num;
621
622                 if (!prefs_common.scan_all_after_inc) {
623                         folder_item_scan_foreach(session->folder_table);
624                         folderview_update_item_foreach
625                                 (session->folder_table,
626                                  !prefs_common.open_inbox_on_inc);
627                 }
628
629                 if (pop3_state->error_val == PS_AUTHFAIL &&
630                     pop3_state->ac_prefs->tmp_pass) {
631                         g_free(pop3_state->ac_prefs->tmp_pass);
632                         pop3_state->ac_prefs->tmp_pass = NULL;
633                 }
634
635                 pop3_write_uidl_list(pop3_state);
636
637                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
638                         error_num++;
639                         if (inc_state == INC_NOSPACE || inc_state == INC_SOCKERR) {
640                                 inc_put_error(inc_state);
641                                 break;
642                         }
643                 }
644
645                 inc_session_destroy(session);
646                 inc_dialog->queue_list =
647                         g_list_remove(inc_dialog->queue_list, session);
648
649                 num++;
650         }
651
652         if (new_msgs > 0)
653                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
654                                           new_msgs);
655         else
656                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
657
658         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
659
660         if (error_num && !prefs_common.no_recv_err_panel) {
661                 if (inc_dialog->show_dialog)
662                         manage_window_focus_in(inc_dialog->dialog->window,
663                                                NULL, NULL);
664                 alertpanel_error(_("Some errors occurred while getting mail."));
665                 if (inc_dialog->show_dialog)
666                         manage_window_focus_out(inc_dialog->dialog->window,
667                                                 NULL, NULL);
668         }
669
670         while (inc_dialog->queue_list != NULL) {
671                 session = inc_dialog->queue_list->data;
672                 inc_session_destroy(session);
673                 inc_dialog->queue_list =
674                         g_list_remove(inc_dialog->queue_list, session);
675         }
676
677         if (prefs_common.close_recv_dialog)
678                 inc_progress_dialog_destroy(inc_dialog);
679         else {
680                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
681                                      fin_msg);
682                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
683                                    _("Close"));
684         }
685
686         g_free(fin_msg);
687
688         return new_msgs;
689 }
690
691 static IncState inc_pop3_session_do(IncSession *session)
692 {
693         Pop3State *pop3_state = session->pop3_state;
694         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
695         Automaton *atm;
696         SockInfo *sockinfo;
697         gint i;
698         gchar *server;
699         gushort port;
700         gchar *buf;
701         static AtmHandler handlers[] = {
702                 pop3_greeting_recv      ,
703 #if USE_SSL
704                 pop3_stls_send          , pop3_stls_recv,
705 #endif
706                 pop3_getauth_user_send  , pop3_getauth_user_recv,
707                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
708                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
709                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
710                 pop3_getrange_last_send , pop3_getrange_last_recv,
711                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
712                 pop3_getsize_list_send  , pop3_getsize_list_recv,
713                 pop3_top_send           , pop3_top_recv,
714                 pop3_retr_send          , pop3_retr_recv,
715                 pop3_delete_send        , pop3_delete_recv,
716                 pop3_logout_send        , pop3_logout_recv
717         };
718
719         debug_print("getting new messages of account %s...\n",
720                     pop3_state->ac_prefs->account_name);
721
722         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
723         atm = automaton_create(N_POP3_PHASE);
724
725         session->atm = atm;
726         atm->data = pop3_state;
727
728         buf = g_strdup_printf(_("%s: Retrieving new messages"),
729                               pop3_state->ac_prefs->recv_server);
730         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
731         g_free(buf);
732
733         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
734                 atm->state[i].handler = handlers[i];
735         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
736         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
737                 atm->state[i++].condition = GDK_INPUT_WRITE;
738                 atm->state[i++].condition = GDK_INPUT_READ;
739         }
740
741         atm->terminate = (AtmHandler)pop3_automaton_terminate;
742         atm->ui_func = (AtmUIFunc)inc_progress_update;
743
744         atm->num = POP3_GREETING_RECV;
745
746         server = pop3_state->ac_prefs->recv_server;
747 #if USE_SSL
748         port = pop3_state->ac_prefs->set_popport ?
749                 pop3_state->ac_prefs->popport :
750                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
751 #else
752         port = pop3_state->ac_prefs->set_popport ?
753                 pop3_state->ac_prefs->popport : 110;
754 #endif
755
756         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
757         log_message("%s\n", buf);
758         progress_dialog_set_label(inc_dialog->dialog, buf);
759         g_free(buf);
760         GTK_EVENTS_FLUSH();
761         statusbar_pop_all();
762
763         if ((sockinfo = sock_connect(server, port)) == NULL) {
764                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
765                             server, port);
766                 if(!prefs_common.no_recv_err_panel) {
767                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
768                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
769                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
770                         }
771                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
772                                          server, port);
773                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
774                 }
775                 pop3_automaton_terminate(NULL, atm);
776                 automaton_destroy(atm);
777                 session->inc_state = INC_CONNECT_ERROR;
778                 return INC_CONNECT_ERROR;
779         }
780
781 #if USE_SSL
782         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
783             !ssl_init_socket(sockinfo)) {
784                 pop3_automaton_terminate(NULL, atm);
785                 automaton_destroy(atm);
786                 session->inc_state = INC_CONNECT_ERROR;
787                 return INC_CONNECT_ERROR;
788         }
789 #endif
790
791         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
792          * to the sock structure - implement a reference counter?? */
793         pop3_state->sockinfo = sockinfo;
794         atm->help_sock = sockinfo;
795
796         log_verbosity_set(TRUE);
797         /* oha: this messes up inc_progress update:
798            disabling this would avoid the label "Retrieve Header"
799            being overwritten by "Retrieve Message"
800            Setting inc_pop3_recv_func is not necessary
801            since atm already handles the progress dialog ui
802            just fine.
803         */
804         recv_set_ui_func(inc_pop3_recv_func, session);
805
806         atm->tag = sock_gdk_input_add(sockinfo,
807                                       atm->state[atm->num].condition,
808                                       automaton_input_cb, atm);
809
810         while (!atm->terminated)
811                 gtk_main_iteration();
812
813         log_verbosity_set(FALSE);
814         /* oha: see above */
815         recv_set_ui_func(NULL, NULL);
816
817         automaton_destroy(atm);
818
819         if (session->inc_state != INC_SUCCESS)
820                 return session->inc_state;
821
822         switch (pop3_state->error_val) {
823         case PS_SUCCESS:
824                 session->inc_state = INC_SUCCESS;
825                 break;
826         case PS_AUTHFAIL:
827                 session->inc_state = INC_AUTH_FAILED;
828                 break;
829         case PS_IOERR:
830                 session->inc_state = INC_NOSPACE;
831                 break;
832         case PS_SOCKET:
833                 session->inc_state = INC_SOCKERR;
834                 break;
835         case PS_LOCKBUSY:
836                 session->inc_state = INC_LOCKED;
837                 break;
838         default:
839                 session->inc_state = INC_ERROR;
840                 break;
841         }
842
843         return session->inc_state;
844 }
845
846 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
847 {
848         if (atm->terminated) return 0;
849
850         if (atm->tag > 0) {
851                 gdk_input_remove(atm->tag);
852                 atm->tag = 0;
853         }
854         if (atm->timeout_tag > 0) {
855                 gtk_timeout_remove(atm->timeout_tag);
856                 atm->timeout_tag = 0;
857         }
858         if (source)
859                 sock_close(source);
860
861         atm->terminated = TRUE;
862
863         return 0;
864 }
865
866 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
867                                    gpointer data)
868 {
869         gchar buf[MSGBUFSIZE];
870         IncSession *session = (IncSession *)data;
871         Pop3State *state = session->pop3_state;
872         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
873         ProgressDialog *dialog = inc_dialog->dialog;
874         gint cur_total;
875         gchar *total_size;
876
877         cur_total = state->cur_total_bytes + read_bytes;
878         if (cur_total > state->total_bytes)
879                 cur_total = state->total_bytes;
880
881         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
882                   return FALSE);
883         g_snprintf(buf, sizeof(buf),
884                    _("Retrieving message (%d / %d) (%s / %s)"),
885                    state->cur_msg, state->count,
886                    to_human_readable(cur_total), total_size);
887         progress_dialog_set_label(dialog, buf);
888
889         progress_dialog_set_percentage
890                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
891         if (inc_dialog->mainwin)
892                 gtk_progress_bar_update
893                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
894                          (gfloat)cur_total / (gfloat)state->total_bytes);
895         GTK_EVENTS_FLUSH();
896
897         if (session->inc_state == INC_CANCEL)
898                 return FALSE;
899         else
900                 return TRUE;
901 }
902
903 void inc_progress_update(Pop3State *state, Pop3Phase phase)
904 {
905         gchar buf[MSGBUFSIZE];
906         IncSession *session = (IncSession *)state->data;
907         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
908         ProgressDialog *dialog = inc_dialog->dialog;
909         gchar *total_size;
910
911         switch (phase) {
912         case POP3_GREETING_RECV:
913                 break;
914         case POP3_GETAUTH_USER_SEND:
915         case POP3_GETAUTH_PASS_SEND:
916         case POP3_GETAUTH_APOP_SEND:
917                 progress_dialog_set_label(dialog, _("Authenticating..."));
918                 break;
919         case POP3_GETRANGE_STAT_SEND:
920                 progress_dialog_set_label
921                         (dialog, _("Getting the number of new messages (STAT)..."));
922                 break;
923         case POP3_GETRANGE_LAST_SEND:
924                 progress_dialog_set_label
925                         (dialog, _("Getting the number of new messages (LAST)..."));
926                 break;
927         case POP3_GETRANGE_UIDL_SEND:
928                 progress_dialog_set_label
929                         (dialog, _("Getting the number of new messages (UIDL)..."));
930                 break;
931         case POP3_GETSIZE_LIST_SEND:
932                 progress_dialog_set_label
933                         (dialog, _("Getting the size of messages (LIST)..."));
934                 break;
935         case POP3_TOP_SEND:
936                 g_snprintf(buf, sizeof(buf),
937                            _("Retrieving header (%d / %d)"),
938                            state->cur_msg, state->count);
939                 progress_dialog_set_label (dialog, buf);
940                 progress_dialog_set_percentage
941                         (dialog,
942                          (gfloat)(state->cur_msg) /
943                          (gfloat)(state->count));
944                 if (inc_dialog->mainwin)
945                         gtk_progress_bar_update 
946                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
947                                  (gfloat)(state->cur_msg) /
948                                  (gfloat)(state->count));
949                 break;
950         case POP3_RETR_SEND:
951                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
952                 g_snprintf(buf, sizeof(buf),
953                            _("Retrieving message (%d / %d) (%s / %s)"),
954                            state->cur_msg, state->count,
955                            to_human_readable(state->cur_total_bytes),
956                            total_size);
957                 progress_dialog_set_label(dialog, buf);
958                 progress_dialog_set_percentage
959                         (dialog,
960                          (gfloat)(state->cur_total_bytes) /
961                          (gfloat)(state->total_bytes));
962                 if (inc_dialog->mainwin)
963                         gtk_progress_bar_update
964                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
965                                  (gfloat)(state->cur_total_bytes) /
966                                  (gfloat)(state->total_bytes));
967                 break;
968         case POP3_DELETE_SEND:
969                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
970                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
971                                    state->cur_msg);
972                         progress_dialog_set_label(dialog, buf);
973                 }
974                 break;
975         case POP3_LOGOUT_SEND:
976                 progress_dialog_set_label(dialog, _("Quitting"));
977                 break;
978         default:
979                 break;
980         }
981 }
982
983 gint inc_drop_message(const gchar *file, Pop3State *state)
984 {
985         FolderItem *inbox;
986         FolderItem *dropfolder;
987         IncSession *session = (IncSession *)state->data;
988         gint val;
989         gint msgnum;
990
991         /* CLAWS: get default inbox (perhaps per account) */
992         if (state->ac_prefs->inbox) {
993                 /* CLAWS: get destination folder / mailbox */
994                 inbox = folder_find_item_from_identifier
995                         (state->ac_prefs->inbox);
996                 if (!inbox)
997                         inbox = folder_get_default_inbox();
998         } else
999                 inbox = folder_get_default_inbox();
1000         if (!inbox) {
1001                 unlink(file);
1002                 return -1;
1003         }
1004
1005         /* CLAWS: claws uses a global .processing folder for the filtering. */
1006         if (global_processing == NULL) {
1007                 if (state->ac_prefs->filter_on_recv) {
1008                         dropfolder =
1009                                 filter_get_dest_folder(prefs_common.fltlist, file);
1010                         if (!dropfolder) dropfolder = inbox;
1011                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
1012                                 debug_print("a message won't be received\n");
1013                                 unlink(file);
1014                                 return 1;
1015                         }
1016                 } else
1017                         dropfolder = inbox;
1018         } else {
1019                 dropfolder = folder_get_default_processing();
1020         }
1021
1022         val = GPOINTER_TO_INT(g_hash_table_lookup
1023                               (session->folder_table, dropfolder));
1024         if (val == 0) {
1025                 folder_item_scan(dropfolder);
1026                 /* force updating */
1027                 if (FOLDER_IS_LOCAL(dropfolder->folder))
1028                         dropfolder->mtime = 0;
1029                 g_hash_table_insert(session->folder_table, dropfolder,
1030                                     GINT_TO_POINTER(1));
1031         }
1032         
1033         /* add msg file to drop folder */
1034         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1035                 unlink(file);
1036                 return -1;
1037         }
1038
1039         return 0;
1040 }
1041
1042 static void inc_put_error(IncState istate)
1043 {
1044         switch (istate) {
1045         case INC_ERROR:
1046                 if (!prefs_common.no_recv_err_panel)
1047                         alertpanel_error
1048                                 (_("Error occurred while processing mail."));
1049                 break;
1050         case INC_NOSPACE:
1051                 alertpanel_error(_("No disk space left."));
1052                 break;
1053         case INC_SOCKERR:
1054                 alertpanel_error(_("Socket error."));
1055                 break;
1056         case INC_LOCKED:
1057                 if (!prefs_common.no_recv_err_panel)
1058                         alertpanel_error(_("Mailbox is locked."));
1059                 break;
1060         default:
1061                 break;
1062         }
1063 }
1064
1065 static void inc_cancel(IncProgressDialog *dialog)
1066 {
1067         IncSession *session;
1068         SockInfo *sockinfo;
1069
1070         g_return_if_fail(dialog != NULL);
1071
1072         if (dialog->queue_list == NULL) {
1073                 inc_progress_dialog_destroy(dialog);
1074                 return;
1075         }
1076
1077         session = dialog->queue_list->data;
1078         sockinfo = session->pop3_state->sockinfo;
1079
1080         if (!sockinfo || session->atm->terminated == TRUE) return;
1081
1082         session->pop3_state->cancelled = TRUE;
1083         session->inc_state = INC_CANCEL;
1084         session->atm->cancelled = TRUE;
1085
1086         log_message(_("Incorporation cancelled\n"));
1087 }
1088
1089 gboolean inc_is_active(void)
1090 {
1091         return (inc_dialog_list != NULL);
1092 }
1093
1094 void inc_cancel_all(void)
1095 {
1096         GList *cur;
1097
1098         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1099                 inc_cancel((IncProgressDialog *)cur->data);
1100 }
1101
1102 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1103 {
1104         inc_cancel((IncProgressDialog *)data);
1105 }
1106
1107 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1108                                  gpointer data)
1109 {
1110         IncProgressDialog *dialog = (IncProgressDialog *)data;
1111
1112         if (dialog->queue_list == NULL)
1113                 inc_progress_dialog_destroy(dialog);
1114
1115         return TRUE;
1116 }
1117
1118 static gint inc_spool(void)
1119 {
1120         gchar *mbox, *logname;
1121         gint msgs;
1122
1123         logname = g_get_user_name();
1124         mbox = g_strconcat(prefs_common.spool_path
1125                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1126                            G_DIR_SEPARATOR_S, logname, NULL);
1127         msgs = get_spool(folder_get_default_inbox(), mbox);
1128         g_free(mbox);
1129
1130         return msgs;
1131 }
1132
1133 static void inc_spool_account(PrefsAccount *account)
1134 {
1135         FolderItem *inbox;
1136
1137         if (account->inbox) {
1138                 inbox = folder_find_item_from_path(account->inbox);
1139                 if (!inbox)
1140                         inbox = folder_get_default_inbox();
1141         } else
1142                 inbox = folder_get_default_inbox();
1143
1144         get_spool(inbox, account->local_mbox);
1145 }
1146
1147 static void inc_all_spool(void)
1148 {
1149         GList *list = NULL;
1150
1151         list = account_get_list();
1152         if (!list) return;
1153
1154         for (; list != NULL; list = list->next) {
1155                 PrefsAccount *account = list->data;
1156
1157                 if ((account->protocol == A_LOCAL) &&
1158                     (account->recv_at_getall))
1159                         inc_spool_account(account);
1160         }
1161 }
1162
1163 static gint get_spool(FolderItem *dest, const gchar *mbox)
1164 {
1165         gint msgs, size;
1166         gint lockfd;
1167         gchar tmp_mbox[MAXPATHLEN + 1];
1168         GHashTable *folder_table = NULL;
1169
1170         g_return_val_if_fail(dest != NULL, -1);
1171         g_return_val_if_fail(mbox != NULL, -1);
1172
1173         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1174                 debug_print("no messages in local mailbox.\n");
1175                 return 0;
1176         } else if (size < 0)
1177                 return -1;
1178
1179         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1180                 return -1;
1181
1182         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1183                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1184
1185         if (copy_mbox(mbox, tmp_mbox) < 0) {
1186                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1187                 return -1;
1188         }
1189
1190         debug_print("Getting new messages from %s into %s...\n",
1191                     mbox, dest->path);
1192
1193         if (prefs_common.filter_on_inc)
1194                 folder_table = g_hash_table_new(NULL, NULL);
1195         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1196
1197         unlink(tmp_mbox);
1198         if (msgs >= 0) empty_mbox(mbox);
1199         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1200
1201         if (folder_table) {
1202                 if (!prefs_common.scan_all_after_inc) {
1203                 g_hash_table_insert(folder_table, dest,
1204                                     GINT_TO_POINTER(1));
1205                         folderview_update_item_foreach
1206                                 (folder_table, !prefs_common.open_inbox_on_inc);
1207                 }
1208                 g_hash_table_destroy(folder_table);
1209         } else if (!prefs_common.scan_all_after_inc) {
1210                 folderview_update_item(dest, TRUE);
1211         }
1212
1213         return msgs;
1214 }
1215
1216 void inc_lock(void)
1217 {
1218         inc_lock_count++;
1219 }
1220
1221 void inc_unlock(void)
1222 {
1223         if (inc_lock_count > 0)
1224                 inc_lock_count--;
1225 }
1226
1227 static guint autocheck_timer = 0;
1228 static gpointer autocheck_data = NULL;
1229
1230 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1231 {
1232
1233         gchar *buf;
1234
1235         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1236             *prefs_common.newmail_notify_cmd))
1237                      return;
1238         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1239                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1240                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd, 
1241                                       new_msgs);
1242         else
1243                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1244
1245         execute_command_line(buf, TRUE);
1246
1247         g_free(buf);
1248 }
1249  
1250 void inc_autocheck_timer_init(MainWindow *mainwin)
1251 {
1252         autocheck_data = mainwin;
1253         inc_autocheck_timer_set();
1254 }
1255
1256 static void inc_autocheck_timer_set_interval(guint interval)
1257 {
1258         inc_autocheck_timer_remove();
1259         /* last test is to avoid re-enabling auto_check after modifying 
1260            the common preferences */
1261         if (prefs_common.autochk_newmail && autocheck_data
1262             && prefs_common.work_offline == FALSE) {
1263                 autocheck_timer = gtk_timeout_add
1264                         (interval, inc_autocheck_func, autocheck_data);
1265                 debug_print("added timer = %d\n", autocheck_timer);
1266         }
1267 }
1268
1269 void inc_autocheck_timer_set(void)
1270 {
1271         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1272 }
1273
1274 void inc_autocheck_timer_remove(void)
1275 {
1276         if (autocheck_timer) {
1277                 debug_print("removed timer = %d\n", autocheck_timer);
1278                 gtk_timeout_remove(autocheck_timer);
1279                 autocheck_timer = 0;
1280         }
1281 }
1282
1283 static gint inc_autocheck_func(gpointer data)
1284 {
1285         MainWindow *mainwin = (MainWindow *)data;
1286
1287         if (inc_lock_count) {
1288                 debug_print("autocheck is locked.\n");
1289                 inc_autocheck_timer_set_interval(1000);
1290                 return FALSE;
1291         }
1292
1293         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1294
1295         return FALSE;
1296 }