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 "automaton.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67 #include "selective_download.h"
  68 #include "log.h"
  69 #include "hooks.h"
  70
  71 static GList *inc_dialog_list = NULL;
  72
  73 static guint inc_lock_count = 0;
  74
  75 static GdkPixmap *currentxpm;
  76 static GdkBitmap *currentxpmmask;
  77 static GdkPixmap *errorxpm;
  78 static GdkBitmap *errorxpmmask;
  79 static GdkPixmap *okxpm;
  80 static GdkBitmap *okxpmmask;
  81
  82 #define MSGBUFSIZE      8192
  83
  84 static void inc_finished                (MainWindow             *mainwin,
  85                                          gboolean                new_messages);
  86 static gint inc_account_mail            (PrefsAccount           *account,
  87                                          MainWindow             *mainwin);
  88
  89 static IncProgressDialog *inc_progress_dialog_create    (void);
  90 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  91
  92 static IncSession *inc_session_new      (PrefsAccount           *account);
  93 static void inc_session_destroy         (IncSession             *session);
  94 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  95 static IncState inc_pop3_session_do     (IncSession             *session);
  96 static gint pop3_automaton_terminate    (SockInfo               *source,
  97                                          Automaton              *atm);
  98
  99 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
 100                                          gint            count,
 101                                          gint            read_bytes,
 102                                          gpointer        data);
 103
 104 static void inc_put_error               (IncState        istate);
 105
 106 static void inc_cancel_cb               (GtkWidget      *widget,
 107                                          gpointer        data);
 108 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 109                                          GdkEventAny    *event,
 110                                          gpointer        data);
 111
 112 static gint inc_spool                   (void);
 113 static gint get_spool                   (FolderItem     *dest,
 114                                          const gchar    *mbox);
 115
 116 static gint inc_spool_account(PrefsAccount *account);
 117 static gint inc_all_spool(void);
 118 static void inc_autocheck_timer_set_interval    (guint           interval);
 119 static gint inc_autocheck_func                  (gpointer        data);
 120
 121 static void inc_notify_cmd              (gint new_msgs,
 122                                          gboolean notify);
 123
 124 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 125         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 126         : FALSE
 127
 128 /**
 129  * inc_finished:
 130  * @mainwin: Main window.
 131  * @new_messages: TRUE if some messages have been received.
 132  *
 133  * Update the folder view and the summary view after receiving
 134  * messages.  If @new_messages is FALSE, this function avoids unneeded
 135  * updating.
 136  **/
 137 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 138 {
 139         FolderItem *item;
 140
 141         if (prefs_common.scan_all_after_inc)
 142                 folderview_check_new(NULL);
 143
 144         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 145
 146         if (prefs_common.open_inbox_on_inc) {
 147                 item = cur_account && cur_account->inbox
 148                         ? folder_find_item_from_identifier(cur_account->inbox)
 149                         : folder_get_default_inbox();
 150                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 151                         folderview_unselect(mainwin->folderview);
 152                         folderview_select(mainwin->folderview, item);
 153                 }
 154         }
 155 }
 156
 157 void inc_mail(MainWindow *mainwin, gboolean notify)
 158 {
 159         gint new_msgs = 0;
 160         gint account_new_msgs = 0;
 161
 162         if (inc_lock_count) return;
 163
 164         if (prefs_common.work_offline)
 165                 if (alertpanel(_("Offline warning"),
 166                                _("You're working offline. Override?"),
 167                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 168                 return;
 169
 170         inc_lock();
 171         inc_autocheck_timer_remove();
 172         main_window_lock(mainwin);
 173
 174         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 175                 /* external incorporating program */
 176                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 177                         main_window_unlock(mainwin);
 178                         inc_autocheck_timer_set();
 179                         return;
 180                 }
 181
 182                 if (prefs_common.inc_local) {
 183                         account_new_msgs = inc_spool();
 184                         if (account_new_msgs > 0)
 185                                 new_msgs += account_new_msgs;
 186                 }
 187         } else {
 188                 if (prefs_common.inc_local) {
 189                         account_new_msgs = inc_spool();
 190                         if (account_new_msgs > 0)
 191                                 new_msgs += account_new_msgs;
 192                 }
 193                 cur_account->session = STYPE_NORMAL;
 194                 account_new_msgs = inc_account_mail(cur_account, mainwin);
 195                 if (account_new_msgs > 0)
 196                         new_msgs += account_new_msgs;
 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         inc_unlock();
 204 }
 205
 206 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 207 {
 208         GSList *cur;
 209         gint new_msgs = 0;
 210
 211         acc->session = session;
 212         inc_account_mail(acc, mainwin);
 213         acc->session = STYPE_NORMAL;
 214
 215         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 216                 HeaderItems *items =(HeaderItems*)cur->data;
 217
 218                 if (items->state == SD_DOWNLOADED &&
 219                     items->del_by_old_session == FALSE) {
 220                         new_msgs++;
 221                 }
 222         }
 223
 224         if (new_msgs) {
 225                 inc_finished(mainwin, TRUE);
 226                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 227         }
 228 }
 229
 230 void inc_pop_before_smtp(PrefsAccount *acc)
 231 {
 232         acc->session = STYPE_POP_BEFORE_SMTP;
 233         inc_account_mail(acc, NULL);
 234 }
 235
 236 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 237 {
 238         IncProgressDialog *inc_dialog;
 239         IncSession *session;
 240         gchar *text[3];
 241         FolderItem *item = NULL;
 242
 243         if(mainwin && mainwin->summaryview)
 244                 item = mainwin->summaryview->folder_item;
 245
 246         switch (account->protocol) {
 247         case A_IMAP4:
 248         case A_NNTP:
 249                 /* Melvin: bug [14]
 250                  * FIXME: it should return foldeview_check_new() value.
 251                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 252                  * an incorrect new message count)
 253                  */
 254                 folderview_check_new(FOLDER(account->folder));
 255                 return 0;
 256         case A_POP3:
 257         case A_APOP:
 258                 session = inc_session_new(account);
 259                 if (!session) return 0;
 260
 261                 inc_dialog = inc_progress_dialog_create();
 262                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 263                                                        session);
 264                 inc_dialog->mainwin = mainwin;
 265                 session->data = inc_dialog;
 266
 267                 text[0] = NULL;
 268                 text[1] = account->account_name;
 269                 text[2] = _("Standby");
 270                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 271
 272                 if (mainwin) {
 273                         toolbar_main_set_sensitive(mainwin);
 274                         main_window_set_menu_sensitive(mainwin);
 275                 }
 276
 277                 return inc_start(inc_dialog);
 278
 279         case A_LOCAL:
 280                 return inc_spool_account(account);
 281
 282         default:
 283                 break;
 284         }
 285         return 0;
 286 }
 287
 288 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 289 {
 290         GList *list, *queue_list = NULL;
 291         IncProgressDialog *inc_dialog;
 292         gint new_msgs = 0;
 293         gint account_new_msgs = 0;
 294
 295         if (prefs_common.work_offline)
 296                 if (alertpanel(_("Offline warning"),
 297                                _("You're working offline. Override?"),
 298                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 299                 return;
 300
 301         if (inc_lock_count) return;
 302
 303         inc_autocheck_timer_remove();
 304         main_window_lock(mainwin);
 305
 306         if (prefs_common.inc_local) {
 307                 account_new_msgs = inc_spool();
 308                 if (account_new_msgs > 0)
 309                         new_msgs += account_new_msgs;
 310         }
 311
 312         list = account_get_list();
 313         if (!list) {
 314                 inc_finished(mainwin, new_msgs > 0);
 315                 main_window_unlock(mainwin);
 316                 inc_notify_cmd(new_msgs, notify);
 317                 inc_autocheck_timer_set();
 318                 return;
 319         }
 320
 321         /* check local folders */
 322         account_new_msgs = inc_all_spool();
 323         if (account_new_msgs > 0)
 324                 new_msgs += account_new_msgs;
 325
 326         /* check IMAP4 folders */
 327         for (; list != NULL; list = list->next) {
 328                 PrefsAccount *account = list->data;
 329                 if ((account->protocol == A_IMAP4 ||
 330                      account->protocol == A_NNTP) && account->recv_at_getall) {
 331                         FolderItem *item = mainwin->summaryview->folder_item;
 332
 333                         new_msgs += folderview_check_new(FOLDER(account->folder));
 334                 }
 335         }
 336
 337         /* check POP3 accounts */
 338         for (list = account_get_list(); list != NULL; list = list->next) {
 339                 IncSession *session;
 340                 PrefsAccount *account = list->data;
 341                 account->session = STYPE_NORMAL;
 342                 if (account->recv_at_getall) {
 343                         session = inc_session_new(account);
 344                         if (session)
 345                                 queue_list = g_list_append(queue_list, session);
 346                 }
 347         }
 348
 349         if (!queue_list) {
 350                 inc_finished(mainwin, new_msgs > 0);
 351                 main_window_unlock(mainwin);
 352                 inc_notify_cmd(new_msgs, notify);
 353                 inc_autocheck_timer_set();
 354                 return;
 355         }
 356
 357         inc_dialog = inc_progress_dialog_create();
 358         inc_dialog->queue_list = queue_list;
 359         inc_dialog->mainwin = mainwin;
 360         for (list = queue_list; list != NULL; list = list->next) {
 361                 IncSession *session = list->data;
 362                 gchar *text[3];
 363
 364                 session->data = inc_dialog;
 365
 366                 text[0] = NULL;
 367                 text[1] = session->pop3_state->ac_prefs->account_name;
 368                 text[2] = _("Standby");
 369                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 370         }
 371
 372         toolbar_main_set_sensitive(mainwin);
 373         main_window_set_menu_sensitive(mainwin);
 374
 375         new_msgs += inc_start(inc_dialog);
 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
 459         return session;
 460 }
 461
 462 static void inc_session_destroy(IncSession *session)
 463 {
 464         g_return_if_fail(session != NULL);
 465
 466         pop3_state_destroy(session->pop3_state);
 467         g_free(session);
 468 }
 469
 470 static gint inc_start(IncProgressDialog *inc_dialog)
 471 {
 472         IncSession *session;
 473         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 474         Pop3State *pop3_state;
 475         IncState inc_state;
 476         gint num = 0;
 477         gint error_num = 0;
 478         gint new_msgs = 0;
 479         gchar *msg;
 480         gchar *fin_msg;
 481         FolderItem *processing, *inbox;
 482         MsgInfo *msginfo;
 483         GSList *msglist, *msglist_element;
 484
 485         while (inc_dialog->queue_list != NULL) {
 486                 session = inc_dialog->queue_list->data;
 487                 pop3_state = session->pop3_state;
 488
 489                 inc_progress_dialog_clear(inc_dialog);
 490
 491                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 492
 493                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 494                 if (pop3_state->ac_prefs->passwd)
 495                         pop3_state->pass =
 496                                 g_strdup(pop3_state->ac_prefs->passwd);
 497                 else if (pop3_state->ac_prefs->tmp_pass)
 498                         pop3_state->pass =
 499                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 500                 else {
 501                         gchar *pass;
 502
 503                         pass = input_dialog_query_password
 504                                 (pop3_state->ac_prefs->recv_server,
 505                                  pop3_state->user);
 506
 507                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
 508                                 manage_window_focus_in
 509                                         (inc_dialog->mainwin->window,
 510                                          NULL, NULL);
 511                         if (pass) {
 512                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 513                                 pop3_state->pass = pass;
 514                         } else {
 515                                 inc_session_destroy(session);
 516                                 inc_dialog->queue_list = g_list_remove
 517                                         (inc_dialog->queue_list, session);
 518                                 continue;
 519                         }
 520                 }
 521
 522                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 523                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 524
 525                 /* begin POP3 session */
 526                 inc_state = inc_pop3_session_do(session);
 527
 528                 switch (inc_state) {
 529                 case INC_SUCCESS:
 530                         if (pop3_state->cur_total_num > 0)
 531                                 msg = g_strdup_printf
 532                                         (_("Done (%d message(s) (%s) received)"),
 533                                          pop3_state->cur_total_num,
 534                                          to_human_readable(pop3_state->cur_total_recv_bytes));
 535                         else
 536                                 msg = g_strdup_printf(_("Done (no new messages)"));
 537                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 538                         gtk_clist_set_text(clist, num, 2, msg);
 539                         g_free(msg);
 540                         break;
 541                 case INC_CONNECT_ERROR:
 542                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 543                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 544                         break;
 545                 case INC_AUTH_FAILED:
 546                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 547                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 548                         break;
 549                 case INC_LOCKED:
 550                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 551                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 552                         break;
 553                 case INC_ERROR:
 554                 case INC_NO_SPACE:
 555                 case INC_IO_ERROR:
 556                 case INC_SOCKET_ERROR:
 557                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 558                         gtk_clist_set_text(clist, num, 2, _("Error"));
 559                         break;
 560                 case INC_CANCEL:
 561                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 562                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 563                         break;
 564                 default:
 565                         break;
 566                 }
 567
 568                 if (pop3_state->error_val == PS_AUTHFAIL) {
 569                         if(!prefs_common.no_recv_err_panel) {
 570                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 571                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 572                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 573                                 }
 574                                 alertpanel_error
 575                                         (_("Authorization for %s on %s failed"),
 576                                          pop3_state->user,
 577                                          pop3_state->ac_prefs->recv_server);
 578                         }
 579                 }
 580
 581                 /* CLAWS: perform filtering actions on dropped message */
 582                 /* CLAWS: get default inbox (perhaps per account) */
 583                 if (pop3_state->ac_prefs->inbox) {
 584                         /* CLAWS: get destination folder / mailbox */
 585                         inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 586                         if (!inbox)
 587                                 inbox = folder_get_default_inbox();
 588                 } else
 589                         inbox = folder_get_default_inbox();
 590
 591                 /* get list of messages in processing */
 592                 processing = folder_get_default_processing();
 593                 folder_item_scan(processing);
 594                 msglist = folder_item_get_msg_list(processing);
 595
 596                 folder_item_update_freeze();
 597
 598                 /* process messages */
 599                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 600                         MailFilteringData mail_filtering_data;
 601                         msginfo = (MsgInfo *) msglist_element->data;
 602
 603                         mail_filtering_data.msginfo = msginfo;
 604
 605                         if (!hooks_invoke(MAIL_FILTERING_HOOKLIST, &mail_filtering_data)) {
 606                                 /* filter if enabled in prefs or move to inbox if not */
 607                                 if(global_processing && pop3_state->ac_prefs->filter_on_recv) {
 608                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 609                                                                              inbox);
 610                                 } else {
 611                                         folder_item_move_msg(inbox, msginfo);
 612                                 }
 613                         }
 614                         procmsg_msginfo_free(msginfo);
 615                 }
 616                 g_slist_free(msglist);
 617
 618                 folder_item_update_thaw();
 619
 620
 621                 new_msgs += pop3_state->cur_total_num;
 622
 623                 if (pop3_state->error_val == PS_AUTHFAIL &&
 624                     pop3_state->ac_prefs->tmp_pass) {
 625                         g_free(pop3_state->ac_prefs->tmp_pass);
 626                         pop3_state->ac_prefs->tmp_pass = NULL;
 627                 }
 628
 629                 pop3_write_uidl_list(pop3_state);
 630
 631                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 632                         error_num++;
 633                         if (inc_state == INC_ERROR    ||
 634                             inc_state == INC_NO_SPACE ||
 635                             inc_state == INC_IO_ERROR ||
 636                             inc_state == INC_SOCKET_ERROR) {
 637                                 inc_put_error(inc_state);
 638                                 break;
 639                         }
 640                 }
 641
 642                 inc_session_destroy(session);
 643                 inc_dialog->queue_list =
 644                         g_list_remove(inc_dialog->queue_list, session);
 645
 646                 num++;
 647         }
 648
 649         if (new_msgs > 0)
 650                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 651                                           new_msgs);
 652         else
 653                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 654
 655         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 656
 657         if (error_num && !prefs_common.no_recv_err_panel) {
 658                 if (inc_dialog->show_dialog)
 659                         manage_window_focus_in(inc_dialog->dialog->window,
 660                                                NULL, NULL);
 661                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 662                 if (inc_dialog->show_dialog)
 663                         manage_window_focus_out(inc_dialog->dialog->window,
 664                                                 NULL, NULL);
 665         }
 666
 667         while (inc_dialog->queue_list != NULL) {
 668                 session = inc_dialog->queue_list->data;
 669                 inc_session_destroy(session);
 670                 inc_dialog->queue_list =
 671                         g_list_remove(inc_dialog->queue_list, session);
 672         }
 673
 674         if (prefs_common.close_recv_dialog)
 675                 inc_progress_dialog_destroy(inc_dialog);
 676         else {
 677                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 678                                      fin_msg);
 679                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 680                                    _("Close"));
 681         }
 682
 683         g_free(fin_msg);
 684
 685         return new_msgs;
 686 }
 687
 688 static IncState inc_pop3_session_do(IncSession *session)
 689 {
 690         Pop3State *pop3_state = session->pop3_state;
 691         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 692         Automaton *atm;
 693         SockInfo *sockinfo;
 694         gint i;
 695         gchar *server;
 696         gushort port;
 697         gchar *buf;
 698         static AtmHandler handlers[] = {
 699                 pop3_greeting_recv      ,
 700 #if USE_OPENSSL
 701                 pop3_stls_send          , pop3_stls_recv,
 702 #endif
 703                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 704                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 705                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 706                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 707                 pop3_getrange_last_send , pop3_getrange_last_recv,
 708                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 709                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 710                 pop3_top_send           , pop3_top_recv,
 711                 pop3_retr_send          , pop3_retr_recv,
 712                 pop3_delete_send        , pop3_delete_recv,
 713                 pop3_logout_send        , pop3_logout_recv
 714         };
 715
 716         debug_print("getting new messages of account %s...\n",
 717                     pop3_state->ac_prefs->account_name);
 718
 719         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
 720         atm = automaton_create(N_POP3_PHASE);
 721
 722         session->atm = atm;
 723         atm->data = pop3_state;
 724
 725         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 726                               pop3_state->ac_prefs->recv_server);
 727         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 728         g_free(buf);
 729
 730         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 731                 atm->state[i].handler = handlers[i];
 732         atm->state[POP3_GREETING_RECV].condition = (G_IO_IN | G_IO_HUP | G_IO_ERR);
 733         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 734                 atm->state[i++].condition = (G_IO_OUT | G_IO_ERR);
 735                 atm->state[i++].condition = (G_IO_IN | G_IO_HUP | G_IO_ERR);
 736         }
 737
 738         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 739         atm->ui_func = (AtmUIFunc)inc_progress_update;
 740
 741         atm->num = POP3_GREETING_RECV;
 742
 743         server = pop3_state->ac_prefs->recv_server;
 744 #if USE_OPENSSL
 745         port = pop3_state->ac_prefs->set_popport ?
 746                 pop3_state->ac_prefs->popport :
 747                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 748 #else
 749         port = pop3_state->ac_prefs->set_popport ?
 750                 pop3_state->ac_prefs->popport : 110;
 751 #endif
 752
 753         statusbar_verbosity_set(TRUE);
 754         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 755         log_message("%s\n", buf);
 756         statusbar_verbosity_set(FALSE);
 757
 758         progress_dialog_set_label(inc_dialog->dialog, buf);
 759         g_free(buf);
 760         GTK_EVENTS_FLUSH();
 761
 762         if ((sockinfo = sock_connect(server, port)) == NULL) {
 763                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 764                             server, port);
 765                 if(!prefs_common.no_recv_err_panel) {
 766                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 767                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 768                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 769                         }
 770                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 771                                          server, port);
 772                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 773                 }
 774                 pop3_automaton_terminate(NULL, atm);
 775                 automaton_destroy(atm);
 776                 session->inc_state = INC_CONNECT_ERROR;
 777                 return INC_CONNECT_ERROR;
 778         }
 779
 780 #if USE_OPENSSL
 781         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 782             !ssl_init_socket(sockinfo)) {
 783                 pop3_automaton_terminate(sockinfo, atm);
 784                 automaton_destroy(atm);
 785                 session->inc_state = INC_CONNECT_ERROR;
 786                 return INC_CONNECT_ERROR;
 787         }
 788 #endif
 789
 790         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 791          * to the sock structure - implement a reference counter?? */
 792         pop3_state->sockinfo = sockinfo;
 793         atm->help_sock = sockinfo;
 794
 795         statusbar_verbosity_set(TRUE);
 796         /* oha: this messes up inc_progress update:
 797            disabling this would avoid the label "Retrieve Header"
 798            being overwritten by "Retrieve Message"
 799            Setting inc_pop3_recv_func is not necessary
 800            since atm already handles the progress dialog ui
 801            just fine.
 802         */
 803         recv_set_ui_func(inc_pop3_recv_func, session);
 804
 805         atm->tag = sock_input_add(sockinfo,
 806                                   atm->state[atm->num].condition,
 807                                   automaton_input_cb, atm);
 808
 809         while (!atm->terminated && !atm->cancelled)
 810                 gtk_main_iteration();
 811
 812         if (!atm->terminated)
 813                 pop3_automaton_terminate(sockinfo, atm);
 814
 815         statusbar_verbosity_set(FALSE);
 816         /* oha: see above */
 817         recv_set_ui_func(NULL, NULL);
 818
 819         automaton_destroy(atm);
 820
 821         if (session->inc_state != INC_SUCCESS)
 822                 return session->inc_state;
 823
 824         switch (pop3_state->error_val) {
 825         case PS_SUCCESS:
 826                 session->inc_state = INC_SUCCESS;
 827                 break;
 828         case PS_AUTHFAIL:
 829                 session->inc_state = INC_AUTH_FAILED;
 830                 break;
 831         case PS_IOERR:
 832                 session->inc_state = INC_IO_ERROR;
 833                 break;
 834         case PS_SOCKET:
 835                 session->inc_state = INC_SOCKET_ERROR;
 836                 break;
 837         case PS_LOCKBUSY:
 838                 session->inc_state = INC_LOCKED;
 839                 break;
 840         default:
 841                 session->inc_state = INC_ERROR;
 842                 break;
 843         }
 844
 845         return session->inc_state;
 846 }
 847
 848 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 849 {
 850         if (atm->terminated) return 0;
 851
 852         if (atm->tag > 0) {
 853                 gdk_input_remove(atm->tag);
 854                 atm->tag = 0;
 855         }
 856         if (atm->timeout_tag > 0) {
 857                 gtk_timeout_remove(atm->timeout_tag);
 858                 atm->timeout_tag = 0;
 859         }
 860         if (source)
 861                 sock_close(source);
 862
 863         atm->terminated = TRUE;
 864
 865         return 0;
 866 }
 867
 868 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 869                                    gpointer data)
 870 {
 871         gchar buf[MSGBUFSIZE];
 872         IncSession *session = (IncSession *)data;
 873         Pop3State *state = session->pop3_state;
 874         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 875         ProgressDialog *dialog = inc_dialog->dialog;
 876         gint cur_total;
 877         gchar *total_size;
 878
 879         cur_total = state->cur_total_bytes + read_bytes;
 880         if (cur_total > state->total_bytes)
 881                 cur_total = state->total_bytes;
 882
 883         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 884                   return FALSE);
 885         g_snprintf(buf, sizeof(buf),
 886                    _("Retrieving message (%d / %d) (%s / %s)"),
 887                    state->cur_msg, state->count,
 888                    to_human_readable(cur_total), total_size);
 889         progress_dialog_set_label(dialog, buf);
 890
 891         progress_dialog_set_percentage
 892                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 893         if (inc_dialog->mainwin)
 894                 gtk_progress_bar_update
 895                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 896                          (gfloat)cur_total / (gfloat)state->total_bytes);
 897         GTK_EVENTS_FLUSH();
 898
 899         if (session->inc_state == INC_CANCEL)
 900                 return FALSE;
 901         else
 902                 return TRUE;
 903 }
 904
 905 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 906 {
 907         gchar buf[MSGBUFSIZE];
 908         IncSession *session = (IncSession *)state->data;
 909         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 910         ProgressDialog *dialog = inc_dialog->dialog;
 911         gchar *total_size;
 912
 913         switch (phase) {
 914         case POP3_GREETING_RECV:
 915                 break;
 916         case POP3_GETAUTH_USER_SEND:
 917         case POP3_GETAUTH_PASS_SEND:
 918         case POP3_GETAUTH_APOP_SEND:
 919                 progress_dialog_set_label(dialog, _("Authenticating..."));
 920                 break;
 921         case POP3_GETRANGE_STAT_SEND:
 922                 progress_dialog_set_label
 923                         (dialog, _("Getting the number of new messages (STAT)..."));
 924                 break;
 925         case POP3_GETRANGE_LAST_SEND:
 926                 progress_dialog_set_label
 927                         (dialog, _("Getting the number of new messages (LAST)..."));
 928                 break;
 929         case POP3_GETRANGE_UIDL_SEND:
 930                 progress_dialog_set_label
 931                         (dialog, _("Getting the number of new messages (UIDL)..."));
 932                 break;
 933         case POP3_GETSIZE_LIST_SEND:
 934                 progress_dialog_set_label
 935                         (dialog, _("Getting the size of messages (LIST)..."));
 936                 break;
 937         case POP3_TOP_SEND:
 938                 g_snprintf(buf, sizeof(buf),
 939                            _("Retrieving header (%d / %d)"),
 940                            state->cur_msg, state->count);
 941                 progress_dialog_set_label (dialog, buf);
 942                 progress_dialog_set_percentage
 943                         (dialog,
 944                          (gfloat)(state->cur_msg) /
 945                          (gfloat)(state->count));
 946                 if (inc_dialog->mainwin)
 947                         gtk_progress_bar_update
 948                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 949                                  (gfloat)(state->cur_msg) /
 950                                  (gfloat)(state->count));
 951                 break;
 952         case POP3_RETR_SEND:
 953                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 954                 g_snprintf(buf, sizeof(buf),
 955                            _("Retrieving message (%d / %d) (%s / %s)"),
 956                            state->cur_msg, state->count,
 957                            to_human_readable(state->cur_total_bytes),
 958                            total_size);
 959                 progress_dialog_set_label(dialog, buf);
 960                 progress_dialog_set_percentage
 961                         (dialog,
 962                          (gfloat)(state->cur_total_bytes) /
 963                          (gfloat)(state->total_bytes));
 964                 if (inc_dialog->mainwin)
 965                         gtk_progress_bar_update
 966                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 967                                  (gfloat)(state->cur_total_bytes) /
 968                                  (gfloat)(state->total_bytes));
 969                 break;
 970         case POP3_DELETE_SEND:
 971                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 972                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 973                                    state->cur_msg);
 974                         progress_dialog_set_label(dialog, buf);
 975                 }
 976                 break;
 977         case POP3_LOGOUT_SEND:
 978                 progress_dialog_set_label(dialog, _("Quitting"));
 979                 break;
 980         default:
 981                 break;
 982         }
 983 }
 984
 985 gint inc_drop_message(const gchar *file, Pop3State *state)
 986 {
 987         FolderItem *inbox;
 988         FolderItem *dropfolder;
 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         dropfolder = folder_get_default_processing();
1007
1008         /* add msg file to drop folder */
1009         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1010                 unlink(file);
1011                 return -1;
1012         }
1013
1014         return 0;
1015 }
1016
1017 static void inc_put_error(IncState istate)
1018 {
1019         switch (istate) {
1020         case INC_ERROR:
1021                 if (!prefs_common.no_recv_err_panel)
1022                         alertpanel_error
1023                                 (_("Error occurred while processing mail."));
1024                 break;
1025         case INC_NO_SPACE:
1026                 alertpanel_error(_("No disk space left."));
1027                 break;
1028         case INC_IO_ERROR:
1029                 alertpanel_error(_("Can't write file."));
1030                 break;
1031         case INC_SOCKET_ERROR:
1032                 alertpanel_error(_("Socket error."));
1033                 break;
1034         case INC_LOCKED:
1035                 if (!prefs_common.no_recv_err_panel)
1036                         alertpanel_error(_("Mailbox is locked."));
1037                 break;
1038         default:
1039                 break;
1040         }
1041 }
1042
1043 static void inc_cancel(IncProgressDialog *dialog)
1044 {
1045         IncSession *session;
1046         SockInfo *sockinfo;
1047
1048         g_return_if_fail(dialog != NULL);
1049
1050         if (dialog->queue_list == NULL) {
1051                 inc_progress_dialog_destroy(dialog);
1052                 return;
1053         }
1054
1055         session = dialog->queue_list->data;
1056         sockinfo = session->pop3_state->sockinfo;
1057
1058         if (!sockinfo || session->atm->terminated == TRUE) return;
1059
1060         session->pop3_state->cancelled = TRUE;
1061         session->inc_state = INC_CANCEL;
1062         session->atm->cancelled = TRUE;
1063
1064         log_message(_("Incorporation cancelled\n"));
1065 }
1066
1067 gboolean inc_is_active(void)
1068 {
1069         return (inc_dialog_list != NULL);
1070 }
1071
1072 void inc_cancel_all(void)
1073 {
1074         GList *cur;
1075
1076         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1077                 inc_cancel((IncProgressDialog *)cur->data);
1078 }
1079
1080 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1081 {
1082         inc_cancel((IncProgressDialog *)data);
1083 }
1084
1085 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1086                                  gpointer data)
1087 {
1088         IncProgressDialog *dialog = (IncProgressDialog *)data;
1089
1090         if (dialog->queue_list == NULL)
1091                 inc_progress_dialog_destroy(dialog);
1092
1093         return TRUE;
1094 }
1095
1096 static gint inc_spool(void)
1097 {
1098         gchar *mbox, *logname;
1099         gint msgs;
1100
1101         logname = g_get_user_name();
1102         mbox = g_strconcat(prefs_common.spool_path
1103                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1104                            G_DIR_SEPARATOR_S, logname, NULL);
1105         msgs = get_spool(folder_get_default_inbox(), mbox);
1106         g_free(mbox);
1107
1108         return msgs;
1109 }
1110
1111 static gint inc_spool_account(PrefsAccount *account)
1112 {
1113         FolderItem *inbox;
1114
1115         if (account->inbox) {
1116                 inbox = folder_find_item_from_path(account->inbox);
1117                 if (!inbox)
1118                         inbox = folder_get_default_inbox();
1119         } else
1120                 inbox = folder_get_default_inbox();
1121
1122         return get_spool(inbox, account->local_mbox);
1123 }
1124
1125 static gint inc_all_spool(void)
1126 {
1127         GList *list = NULL;
1128         gint new_msgs = 0;
1129         gint account_new_msgs = 0;
1130
1131         list = account_get_list();
1132         if (!list) return 0;
1133
1134         for (; list != NULL; list = list->next) {
1135                 PrefsAccount *account = list->data;
1136
1137                 if ((account->protocol == A_LOCAL) &&
1138                     (account->recv_at_getall)) {
1139                         account_new_msgs = inc_spool_account(account);
1140                         if (account_new_msgs > 0)
1141                                 new_msgs += account_new_msgs;
1142                 }
1143         }
1144
1145         return new_msgs;
1146 }
1147
1148 static gint get_spool(FolderItem *dest, const gchar *mbox)
1149 {
1150         gint msgs, size;
1151         gint lockfd;
1152         gchar tmp_mbox[MAXPATHLEN + 1];
1153
1154         g_return_val_if_fail(dest != NULL, -1);
1155         g_return_val_if_fail(mbox != NULL, -1);
1156
1157         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1158                 debug_print("no messages in local mailbox.\n");
1159                 return 0;
1160         } else if (size < 0)
1161                 return -1;
1162
1163         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1164                 return -1;
1165
1166         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1167                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1168
1169         if (copy_mbox(mbox, tmp_mbox) < 0) {
1170                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1171                 return -1;
1172         }
1173
1174         debug_print("Getting new messages from %s into %s...\n",
1175                     mbox, dest->path);
1176
1177         msgs = proc_mbox(dest, tmp_mbox);
1178
1179         unlink(tmp_mbox);
1180         if (msgs >= 0) empty_mbox(mbox);
1181         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1182
1183         return msgs;
1184 }
1185
1186 void inc_lock(void)
1187 {
1188         inc_lock_count++;
1189 }
1190
1191 void inc_unlock(void)
1192 {
1193         if (inc_lock_count > 0)
1194                 inc_lock_count--;
1195 }
1196
1197 static guint autocheck_timer = 0;
1198 static gpointer autocheck_data = NULL;
1199
1200 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1201 {
1202
1203         gchar *buf;
1204
1205         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1206             *prefs_common.newmail_notify_cmd))
1207                      return;
1208         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1209                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1210                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1211                                       new_msgs);
1212         else
1213                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1214
1215         execute_command_line(buf, TRUE);
1216
1217         g_free(buf);
1218 }
1219
1220 void inc_autocheck_timer_init(MainWindow *mainwin)
1221 {
1222         autocheck_data = mainwin;
1223         inc_autocheck_timer_set();
1224 }
1225
1226 static void inc_autocheck_timer_set_interval(guint interval)
1227 {
1228         inc_autocheck_timer_remove();
1229         /* last test is to avoid re-enabling auto_check after modifying
1230            the common preferences */
1231         if (prefs_common.autochk_newmail && autocheck_data
1232             && prefs_common.work_offline == FALSE) {
1233                 autocheck_timer = gtk_timeout_add
1234                         (interval, inc_autocheck_func, autocheck_data);
1235                 debug_print("added timer = %d\n", autocheck_timer);
1236         }
1237 }
1238
1239 void inc_autocheck_timer_set(void)
1240 {
1241         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1242 }
1243
1244 void inc_autocheck_timer_remove(void)
1245 {
1246         if (autocheck_timer) {
1247                 debug_print("removed timer = %d\n", autocheck_timer);
1248                 gtk_timeout_remove(autocheck_timer);
1249                 autocheck_timer = 0;
1250         }
1251 }
1252
1253 static gint inc_autocheck_func(gpointer data)
1254 {
1255         MainWindow *mainwin = (MainWindow *)data;
1256
1257         if (inc_lock_count) {
1258                 debug_print("autocheck is locked.\n");
1259                 inc_autocheck_timer_set_interval(1000);
1260                 return FALSE;
1261         }
1262
1263         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1264
1265         return FALSE;
1266 }