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                 return folderview_check_new(FOLDER(account->folder));
 250
 251         case A_POP3:
 252         case A_APOP:
 253                 session = inc_session_new(account);
 254                 if (!session) return 0;
 255
 256                 inc_dialog = inc_progress_dialog_create();
 257                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 258                                                        session);
 259                 inc_dialog->mainwin = mainwin;
 260                 session->data = inc_dialog;
 261
 262                 text[0] = NULL;
 263                 text[1] = account->account_name;
 264                 text[2] = _("Standby");
 265                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 266
 267                 if (mainwin) {
 268                         toolbar_main_set_sensitive(mainwin);
 269                         main_window_set_menu_sensitive(mainwin);
 270                 }
 271
 272                 return inc_start(inc_dialog);
 273
 274         case A_LOCAL:
 275                 return inc_spool_account(account);
 276
 277         default:
 278                 break;
 279         }
 280         return 0;
 281 }
 282
 283 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 284 {
 285         GList *list, *queue_list = NULL;
 286         IncProgressDialog *inc_dialog;
 287         gint new_msgs = 0;
 288         gint account_new_msgs = 0;
 289
 290         if (prefs_common.work_offline)
 291                 if (alertpanel(_("Offline warning"),
 292                                _("You're working offline. Override?"),
 293                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 294                 return;
 295
 296         if (inc_lock_count) return;
 297
 298         inc_autocheck_timer_remove();
 299         main_window_lock(mainwin);
 300
 301         if (prefs_common.inc_local) {
 302                 account_new_msgs = inc_spool();
 303                 if (account_new_msgs > 0)
 304                         new_msgs += account_new_msgs;
 305         }
 306
 307         list = account_get_list();
 308         if (!list) {
 309                 inc_finished(mainwin, new_msgs > 0);
 310                 main_window_unlock(mainwin);
 311                 inc_notify_cmd(new_msgs, notify);
 312                 inc_autocheck_timer_set();
 313                 return;
 314         }
 315
 316         /* check local folders */
 317         account_new_msgs = inc_all_spool();
 318         if (account_new_msgs > 0)
 319                 new_msgs += account_new_msgs;
 320
 321         /* check IMAP4 folders */
 322         for (; list != NULL; list = list->next) {
 323                 PrefsAccount *account = list->data;
 324                 if ((account->protocol == A_IMAP4 ||
 325                      account->protocol == A_NNTP) && account->recv_at_getall) {
 326                         FolderItem *item = mainwin->summaryview->folder_item;
 327
 328                         new_msgs += folderview_check_new(FOLDER(account->folder));
 329                 }
 330         }
 331
 332         /* check POP3 accounts */
 333         for (list = account_get_list(); list != NULL; list = list->next) {
 334                 IncSession *session;
 335                 PrefsAccount *account = list->data;
 336                 account->session = STYPE_NORMAL;
 337                 if (account->recv_at_getall) {
 338                         session = inc_session_new(account);
 339                         if (session)
 340                                 queue_list = g_list_append(queue_list, session);
 341                 }
 342         }
 343
 344         if (!queue_list) {
 345                 inc_finished(mainwin, new_msgs > 0);
 346                 main_window_unlock(mainwin);
 347                 inc_notify_cmd(new_msgs, notify);
 348                 inc_autocheck_timer_set();
 349                 return;
 350         }
 351
 352         inc_dialog = inc_progress_dialog_create();
 353         inc_dialog->queue_list = queue_list;
 354         inc_dialog->mainwin = mainwin;
 355         for (list = queue_list; list != NULL; list = list->next) {
 356                 IncSession *session = list->data;
 357                 gchar *text[3];
 358
 359                 session->data = inc_dialog;
 360
 361                 text[0] = NULL;
 362                 text[1] = session->pop3_state->ac_prefs->account_name;
 363                 text[2] = _("Standby");
 364                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 365         }
 366
 367         toolbar_main_set_sensitive(mainwin);
 368         main_window_set_menu_sensitive(mainwin);
 369
 370         new_msgs = inc_start(inc_dialog);
 371         inc_finished(mainwin, new_msgs > 0);
 372         main_window_unlock(mainwin);
 373         inc_notify_cmd(new_msgs, notify);
 374         inc_autocheck_timer_set();
 375 }
 376
 377 static IncProgressDialog *inc_progress_dialog_create(void)
 378 {
 379         IncProgressDialog *dialog;
 380         ProgressDialog *progress;
 381
 382         dialog = g_new0(IncProgressDialog, 1);
 383
 384         progress = progress_dialog_create();
 385         gtk_window_set_title(GTK_WINDOW(progress->window),
 386                              _("Retrieving new messages"));
 387         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 388                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 389         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 390                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 391         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 392
 393         progress_dialog_set_value(progress, 0.0);
 394
 395         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 396                          &okxpm, &okxpmmask);
 397         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 398                          &currentxpm, &currentxpmmask);
 399         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 400                          &errorxpm, &errorxpmmask);
 401
 402         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 403             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 404              manage_window_get_focus_window())) {
 405                 dialog->show_dialog = TRUE;
 406                 gtk_widget_show_now(progress->window);
 407         }
 408
 409         dialog->dialog = progress;
 410         dialog->queue_list = NULL;
 411
 412         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 413
 414         return dialog;
 415 }
 416
 417 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 418 {
 419         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 420         progress_dialog_set_label(inc_dialog->dialog, "");
 421         if (inc_dialog->mainwin)
 422                 gtk_progress_bar_update
 423                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 424 }
 425
 426 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 427 {
 428         g_return_if_fail(inc_dialog != NULL);
 429
 430         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 431         if (inc_dialog->mainwin)
 432                 gtk_progress_bar_update
 433                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 434         progress_dialog_destroy(inc_dialog->dialog);
 435
 436         g_free(inc_dialog);
 437 }
 438
 439 static IncSession *inc_session_new(PrefsAccount *account)
 440 {
 441         IncSession *session;
 442
 443         g_return_val_if_fail(account != NULL, NULL);
 444
 445         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 446                 return NULL;
 447         if (!account->recv_server || !account->userid)
 448                 return NULL;
 449
 450         session = g_new0(IncSession, 1);
 451         session->pop3_state = pop3_state_new(account);
 452         session->pop3_state->data = session;
 453
 454         return session;
 455 }
 456
 457 static void inc_session_destroy(IncSession *session)
 458 {
 459         g_return_if_fail(session != NULL);
 460
 461         pop3_state_destroy(session->pop3_state);
 462         g_free(session);
 463 }
 464
 465 static gint inc_start(IncProgressDialog *inc_dialog)
 466 {
 467         IncSession *session;
 468         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 469         Pop3State *pop3_state;
 470         IncState inc_state;
 471         gint num = 0;
 472         gint error_num = 0;
 473         gint new_msgs = 0;
 474         gchar *msg;
 475         gchar *fin_msg;
 476         FolderItem *processing, *inbox;
 477         MsgInfo *msginfo;
 478         GSList *msglist, *msglist_element;
 479
 480         while (inc_dialog->queue_list != NULL) {
 481                 session = inc_dialog->queue_list->data;
 482                 pop3_state = session->pop3_state;
 483
 484                 inc_progress_dialog_clear(inc_dialog);
 485
 486                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 487
 488                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 489                 if (pop3_state->ac_prefs->passwd)
 490                         pop3_state->pass =
 491                                 g_strdup(pop3_state->ac_prefs->passwd);
 492                 else if (pop3_state->ac_prefs->tmp_pass)
 493                         pop3_state->pass =
 494                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 495                 else {
 496                         gchar *pass;
 497
 498                         pass = input_dialog_query_password
 499                                 (pop3_state->ac_prefs->recv_server,
 500                                  pop3_state->user);
 501
 502                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
 503                                 manage_window_focus_in
 504                                         (inc_dialog->mainwin->window,
 505                                          NULL, NULL);
 506                         if (pass) {
 507                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 508                                 pop3_state->pass = pass;
 509                         } else {
 510                                 inc_session_destroy(session);
 511                                 inc_dialog->queue_list = g_list_remove
 512                                         (inc_dialog->queue_list, session);
 513                                 continue;
 514                         }
 515                 }
 516
 517                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 518                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 519
 520                 /* begin POP3 session */
 521                 inc_state = inc_pop3_session_do(session);
 522
 523                 switch (inc_state) {
 524                 case INC_SUCCESS:
 525                         if (pop3_state->cur_total_num > 0)
 526                                 msg = g_strdup_printf
 527                                         (_("Done (%d message(s) (%s) received)"),
 528                                          pop3_state->cur_total_num,
 529                                          to_human_readable(pop3_state->cur_total_recv_bytes));
 530                         else
 531                                 msg = g_strdup_printf(_("Done (no new messages)"));
 532                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 533                         gtk_clist_set_text(clist, num, 2, msg);
 534                         g_free(msg);
 535                         break;
 536                 case INC_CONNECT_ERROR:
 537                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 538                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 539                         break;
 540                 case INC_AUTH_FAILED:
 541                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 542                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 543                         break;
 544                 case INC_LOCKED:
 545                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 546                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 547                         break;
 548                 case INC_ERROR:
 549                 case INC_NO_SPACE:
 550                 case INC_IO_ERROR:
 551                 case INC_SOCKET_ERROR:
 552                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 553                         gtk_clist_set_text(clist, num, 2, _("Error"));
 554                         break;
 555                 case INC_CANCEL:
 556                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 557                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 558                         break;
 559                 default:
 560                         break;
 561                 }
 562
 563                 if (pop3_state->error_val == PS_AUTHFAIL) {
 564                         if(!prefs_common.no_recv_err_panel) {
 565                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 566                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 567                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 568                                 }
 569                                 alertpanel_error
 570                                         (_("Authorization for %s on %s failed"),
 571                                          pop3_state->user,
 572                                          pop3_state->ac_prefs->recv_server);
 573                         }
 574                 }
 575
 576                 /* CLAWS: perform filtering actions on dropped message */
 577                 /* CLAWS: get default inbox (perhaps per account) */
 578                 if (pop3_state->ac_prefs->inbox) {
 579                         /* CLAWS: get destination folder / mailbox */
 580                         inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 581                         if (!inbox)
 582                                 inbox = folder_get_default_inbox();
 583                 } else
 584                         inbox = folder_get_default_inbox();
 585
 586                 /* get list of messages in processing */
 587                 processing = folder_get_default_processing();
 588                 folder_item_scan(processing);
 589                 msglist = folder_item_get_msg_list(processing);
 590
 591                 folder_item_update_freeze();
 592
 593                 /* process messages */
 594                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 595                         MailFilteringData mail_filtering_data;
 596                         msginfo = (MsgInfo *) msglist_element->data;
 597
 598                         mail_filtering_data.msginfo = msginfo;
 599
 600                         if (!hooks_invoke(MAIL_FILTERING_HOOKLIST, &mail_filtering_data)) {
 601                                 /* filter if enabled in prefs or move to inbox if not */
 602                                 if(global_processing && pop3_state->ac_prefs->filter_on_recv) {
 603                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 604                                                                              inbox);
 605                                 } else {
 606                                         folder_item_move_msg(inbox, msginfo);
 607                                 }
 608                         }
 609                         procmsg_msginfo_free(msginfo);
 610                 }
 611                 g_slist_free(msglist);
 612
 613                 folder_item_update_thaw();
 614
 615
 616                 new_msgs += pop3_state->cur_total_num;
 617
 618                 if (pop3_state->error_val == PS_AUTHFAIL &&
 619                     pop3_state->ac_prefs->tmp_pass) {
 620                         g_free(pop3_state->ac_prefs->tmp_pass);
 621                         pop3_state->ac_prefs->tmp_pass = NULL;
 622                 }
 623
 624                 pop3_write_uidl_list(pop3_state);
 625
 626                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 627                         error_num++;
 628                         if (inc_state == INC_ERROR    ||
 629                             inc_state == INC_NO_SPACE ||
 630                             inc_state == INC_IO_ERROR ||
 631                             inc_state == INC_SOCKET_ERROR) {
 632                                 inc_put_error(inc_state);
 633                                 break;
 634                         }
 635                 }
 636
 637                 inc_session_destroy(session);
 638                 inc_dialog->queue_list =
 639                         g_list_remove(inc_dialog->queue_list, session);
 640
 641                 num++;
 642         }
 643
 644         if (new_msgs > 0)
 645                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 646                                           new_msgs);
 647         else
 648                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 649
 650         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 651
 652         if (error_num && !prefs_common.no_recv_err_panel) {
 653                 if (inc_dialog->show_dialog)
 654                         manage_window_focus_in(inc_dialog->dialog->window,
 655                                                NULL, NULL);
 656                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 657                 if (inc_dialog->show_dialog)
 658                         manage_window_focus_out(inc_dialog->dialog->window,
 659                                                 NULL, NULL);
 660         }
 661
 662         while (inc_dialog->queue_list != NULL) {
 663                 session = inc_dialog->queue_list->data;
 664                 inc_session_destroy(session);
 665                 inc_dialog->queue_list =
 666                         g_list_remove(inc_dialog->queue_list, session);
 667         }
 668
 669         if (prefs_common.close_recv_dialog)
 670                 inc_progress_dialog_destroy(inc_dialog);
 671         else {
 672                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 673                                      fin_msg);
 674                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 675                                    _("Close"));
 676         }
 677
 678         g_free(fin_msg);
 679
 680         return new_msgs;
 681 }
 682
 683 static IncState inc_pop3_session_do(IncSession *session)
 684 {
 685         Pop3State *pop3_state = session->pop3_state;
 686         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 687         Automaton *atm;
 688         SockInfo *sockinfo;
 689         gint i;
 690         gchar *server;
 691         gushort port;
 692         gchar *buf;
 693         static AtmHandler handlers[] = {
 694                 pop3_greeting_recv      ,
 695 #if USE_OPENSSL
 696                 pop3_stls_send          , pop3_stls_recv,
 697 #endif
 698                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 699                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 700                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 701                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 702                 pop3_getrange_last_send , pop3_getrange_last_recv,
 703                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 704                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 705                 pop3_top_send           , pop3_top_recv,
 706                 pop3_retr_send          , pop3_retr_recv,
 707                 pop3_delete_send        , pop3_delete_recv,
 708                 pop3_logout_send        , pop3_logout_recv
 709         };
 710
 711         debug_print("getting new messages of account %s...\n",
 712                     pop3_state->ac_prefs->account_name);
 713
 714         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
 715         atm = automaton_create(N_POP3_PHASE);
 716
 717         session->atm = atm;
 718         atm->data = pop3_state;
 719
 720         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 721                               pop3_state->ac_prefs->recv_server);
 722         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 723         g_free(buf);
 724
 725         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 726                 atm->state[i].handler = handlers[i];
 727         atm->state[POP3_GREETING_RECV].condition = (G_IO_IN | G_IO_HUP | G_IO_ERR);
 728         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 729                 atm->state[i++].condition = (G_IO_OUT | G_IO_ERR);
 730                 atm->state[i++].condition = (G_IO_IN | G_IO_HUP | G_IO_ERR);
 731         }
 732
 733         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 734         atm->ui_func = (AtmUIFunc)inc_progress_update;
 735
 736         atm->num = POP3_GREETING_RECV;
 737
 738         server = pop3_state->ac_prefs->recv_server;
 739 #if USE_OPENSSL
 740         port = pop3_state->ac_prefs->set_popport ?
 741                 pop3_state->ac_prefs->popport :
 742                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 743 #else
 744         port = pop3_state->ac_prefs->set_popport ?
 745                 pop3_state->ac_prefs->popport : 110;
 746 #endif
 747
 748         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 749         log_message("%s\n", buf);
 750         progress_dialog_set_label(inc_dialog->dialog, buf);
 751         g_free(buf);
 752         GTK_EVENTS_FLUSH();
 753
 754         if ((sockinfo = sock_connect(server, port)) == NULL) {
 755                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 756                             server, port);
 757                 if(!prefs_common.no_recv_err_panel) {
 758                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 759                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 760                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 761                         }
 762                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 763                                          server, port);
 764                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 765                 }
 766                 pop3_automaton_terminate(NULL, atm);
 767                 automaton_destroy(atm);
 768                 session->inc_state = INC_CONNECT_ERROR;
 769                 return INC_CONNECT_ERROR;
 770         }
 771
 772 #if USE_OPENSSL
 773         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 774             !ssl_init_socket(sockinfo)) {
 775                 pop3_automaton_terminate(sockinfo, atm);
 776                 automaton_destroy(atm);
 777                 session->inc_state = INC_CONNECT_ERROR;
 778                 return INC_CONNECT_ERROR;
 779         }
 780 #endif
 781
 782         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 783          * to the sock structure - implement a reference counter?? */
 784         pop3_state->sockinfo = sockinfo;
 785         atm->help_sock = sockinfo;
 786
 787         statusbar_verbosity_set(TRUE);
 788         /* oha: this messes up inc_progress update:
 789            disabling this would avoid the label "Retrieve Header"
 790            being overwritten by "Retrieve Message"
 791            Setting inc_pop3_recv_func is not necessary
 792            since atm already handles the progress dialog ui
 793            just fine.
 794         */
 795         recv_set_ui_func(inc_pop3_recv_func, session);
 796
 797         atm->tag = sock_input_add(sockinfo,
 798                                   atm->state[atm->num].condition,
 799                                   automaton_input_cb, atm);
 800
 801         while (!atm->terminated && !atm->cancelled)
 802                 gtk_main_iteration();
 803
 804         if (!atm->terminated)
 805                 pop3_automaton_terminate(sockinfo, atm);
 806
 807         statusbar_verbosity_set(FALSE);
 808         /* oha: see above */
 809         recv_set_ui_func(NULL, NULL);
 810
 811         automaton_destroy(atm);
 812
 813         if (session->inc_state != INC_SUCCESS)
 814                 return session->inc_state;
 815
 816         switch (pop3_state->error_val) {
 817         case PS_SUCCESS:
 818                 session->inc_state = INC_SUCCESS;
 819                 break;
 820         case PS_AUTHFAIL:
 821                 session->inc_state = INC_AUTH_FAILED;
 822                 break;
 823         case PS_IOERR:
 824                 session->inc_state = INC_IO_ERROR;
 825                 break;
 826         case PS_SOCKET:
 827                 session->inc_state = INC_SOCKET_ERROR;
 828                 break;
 829         case PS_LOCKBUSY:
 830                 session->inc_state = INC_LOCKED;
 831                 break;
 832         default:
 833                 session->inc_state = INC_ERROR;
 834                 break;
 835         }
 836
 837         return session->inc_state;
 838 }
 839
 840 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 841 {
 842         if (atm->terminated) return 0;
 843
 844         if (atm->tag > 0) {
 845                 gdk_input_remove(atm->tag);
 846                 atm->tag = 0;
 847         }
 848         if (atm->timeout_tag > 0) {
 849                 gtk_timeout_remove(atm->timeout_tag);
 850                 atm->timeout_tag = 0;
 851         }
 852         if (source)
 853                 sock_close(source);
 854
 855         atm->terminated = TRUE;
 856
 857         return 0;
 858 }
 859
 860 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 861                                    gpointer data)
 862 {
 863         gchar buf[MSGBUFSIZE];
 864         IncSession *session = (IncSession *)data;
 865         Pop3State *state = session->pop3_state;
 866         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 867         ProgressDialog *dialog = inc_dialog->dialog;
 868         gint cur_total;
 869         gchar *total_size;
 870
 871         cur_total = state->cur_total_bytes + read_bytes;
 872         if (cur_total > state->total_bytes)
 873                 cur_total = state->total_bytes;
 874
 875         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 876                   return FALSE);
 877         g_snprintf(buf, sizeof(buf),
 878                    _("Retrieving message (%d / %d) (%s / %s)"),
 879                    state->cur_msg, state->count,
 880                    to_human_readable(cur_total), total_size);
 881         progress_dialog_set_label(dialog, buf);
 882
 883         progress_dialog_set_percentage
 884                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 885         if (inc_dialog->mainwin)
 886                 gtk_progress_bar_update
 887                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 888                          (gfloat)cur_total / (gfloat)state->total_bytes);
 889         GTK_EVENTS_FLUSH();
 890
 891         if (session->inc_state == INC_CANCEL)
 892                 return FALSE;
 893         else
 894                 return TRUE;
 895 }
 896
 897 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 898 {
 899         gchar buf[MSGBUFSIZE];
 900         IncSession *session = (IncSession *)state->data;
 901         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 902         ProgressDialog *dialog = inc_dialog->dialog;
 903         gchar *total_size;
 904
 905         switch (phase) {
 906         case POP3_GREETING_RECV:
 907                 break;
 908         case POP3_GETAUTH_USER_SEND:
 909         case POP3_GETAUTH_PASS_SEND:
 910         case POP3_GETAUTH_APOP_SEND:
 911                 progress_dialog_set_label(dialog, _("Authenticating..."));
 912                 break;
 913         case POP3_GETRANGE_STAT_SEND:
 914                 progress_dialog_set_label
 915                         (dialog, _("Getting the number of new messages (STAT)..."));
 916                 break;
 917         case POP3_GETRANGE_LAST_SEND:
 918                 progress_dialog_set_label
 919                         (dialog, _("Getting the number of new messages (LAST)..."));
 920                 break;
 921         case POP3_GETRANGE_UIDL_SEND:
 922                 progress_dialog_set_label
 923                         (dialog, _("Getting the number of new messages (UIDL)..."));
 924                 break;
 925         case POP3_GETSIZE_LIST_SEND:
 926                 progress_dialog_set_label
 927                         (dialog, _("Getting the size of messages (LIST)..."));
 928                 break;
 929         case POP3_TOP_SEND:
 930                 g_snprintf(buf, sizeof(buf),
 931                            _("Retrieving header (%d / %d)"),
 932                            state->cur_msg, state->count);
 933                 progress_dialog_set_label (dialog, buf);
 934                 progress_dialog_set_percentage
 935                         (dialog,
 936                          (gfloat)(state->cur_msg) /
 937                          (gfloat)(state->count));
 938                 if (inc_dialog->mainwin)
 939                         gtk_progress_bar_update
 940                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 941                                  (gfloat)(state->cur_msg) /
 942                                  (gfloat)(state->count));
 943                 break;
 944         case POP3_RETR_SEND:
 945                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 946                 g_snprintf(buf, sizeof(buf),
 947                            _("Retrieving message (%d / %d) (%s / %s)"),
 948                            state->cur_msg, state->count,
 949                            to_human_readable(state->cur_total_bytes),
 950                            total_size);
 951                 progress_dialog_set_label(dialog, buf);
 952                 progress_dialog_set_percentage
 953                         (dialog,
 954                          (gfloat)(state->cur_total_bytes) /
 955                          (gfloat)(state->total_bytes));
 956                 if (inc_dialog->mainwin)
 957                         gtk_progress_bar_update
 958                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 959                                  (gfloat)(state->cur_total_bytes) /
 960                                  (gfloat)(state->total_bytes));
 961                 break;
 962         case POP3_DELETE_SEND:
 963                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 964                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 965                                    state->cur_msg);
 966                         progress_dialog_set_label(dialog, buf);
 967                 }
 968                 break;
 969         case POP3_LOGOUT_SEND:
 970                 progress_dialog_set_label(dialog, _("Quitting"));
 971                 break;
 972         default:
 973                 break;
 974         }
 975 }
 976
 977 gint inc_drop_message(const gchar *file, Pop3State *state)
 978 {
 979         FolderItem *inbox;
 980         FolderItem *dropfolder;
 981         gint msgnum;
 982
 983         /* CLAWS: get default inbox (perhaps per account) */
 984         if (state->ac_prefs->inbox) {
 985                 /* CLAWS: get destination folder / mailbox */
 986                 inbox = folder_find_item_from_identifier
 987                         (state->ac_prefs->inbox);
 988                 if (!inbox)
 989                         inbox = folder_get_default_inbox();
 990         } else
 991                 inbox = folder_get_default_inbox();
 992         if (!inbox) {
 993                 unlink(file);
 994                 return -1;
 995         }
 996
 997         /* CLAWS: claws uses a global .processing folder for the filtering. */
 998         dropfolder = folder_get_default_processing();
 999
1000         /* add msg file to drop folder */
1001         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1002                 unlink(file);
1003                 return -1;
1004         }
1005
1006         return 0;
1007 }
1008
1009 static void inc_put_error(IncState istate)
1010 {
1011         switch (istate) {
1012         case INC_ERROR:
1013                 if (!prefs_common.no_recv_err_panel)
1014                         alertpanel_error
1015                                 (_("Error occurred while processing mail."));
1016                 break;
1017         case INC_NO_SPACE:
1018                 alertpanel_error(_("No disk space left."));
1019                 break;
1020         case INC_IO_ERROR:
1021                 alertpanel_error(_("Can't write file."));
1022                 break;
1023         case INC_SOCKET_ERROR:
1024                 alertpanel_error(_("Socket error."));
1025                 break;
1026         case INC_LOCKED:
1027                 if (!prefs_common.no_recv_err_panel)
1028                         alertpanel_error(_("Mailbox is locked."));
1029                 break;
1030         default:
1031                 break;
1032         }
1033 }
1034
1035 static void inc_cancel(IncProgressDialog *dialog)
1036 {
1037         IncSession *session;
1038         SockInfo *sockinfo;
1039
1040         g_return_if_fail(dialog != NULL);
1041
1042         if (dialog->queue_list == NULL) {
1043                 inc_progress_dialog_destroy(dialog);
1044                 return;
1045         }
1046
1047         session = dialog->queue_list->data;
1048         sockinfo = session->pop3_state->sockinfo;
1049
1050         if (!sockinfo || session->atm->terminated == TRUE) return;
1051
1052         session->pop3_state->cancelled = TRUE;
1053         session->inc_state = INC_CANCEL;
1054         session->atm->cancelled = TRUE;
1055
1056         log_message(_("Incorporation cancelled\n"));
1057 }
1058
1059 gboolean inc_is_active(void)
1060 {
1061         return (inc_dialog_list != NULL);
1062 }
1063
1064 void inc_cancel_all(void)
1065 {
1066         GList *cur;
1067
1068         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1069                 inc_cancel((IncProgressDialog *)cur->data);
1070 }
1071
1072 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1073 {
1074         inc_cancel((IncProgressDialog *)data);
1075 }
1076
1077 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1078                                  gpointer data)
1079 {
1080         IncProgressDialog *dialog = (IncProgressDialog *)data;
1081
1082         if (dialog->queue_list == NULL)
1083                 inc_progress_dialog_destroy(dialog);
1084
1085         return TRUE;
1086 }
1087
1088 static gint inc_spool(void)
1089 {
1090         gchar *mbox, *logname;
1091         gint msgs;
1092
1093         logname = g_get_user_name();
1094         mbox = g_strconcat(prefs_common.spool_path
1095                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1096                            G_DIR_SEPARATOR_S, logname, NULL);
1097         msgs = get_spool(folder_get_default_inbox(), mbox);
1098         g_free(mbox);
1099
1100         return msgs;
1101 }
1102
1103 static gint inc_spool_account(PrefsAccount *account)
1104 {
1105         FolderItem *inbox;
1106
1107         if (account->inbox) {
1108                 inbox = folder_find_item_from_path(account->inbox);
1109                 if (!inbox)
1110                         inbox = folder_get_default_inbox();
1111         } else
1112                 inbox = folder_get_default_inbox();
1113
1114         return get_spool(inbox, account->local_mbox);
1115 }
1116
1117 static gint inc_all_spool(void)
1118 {
1119         GList *list = NULL;
1120         gint new_msgs = 0;
1121         gint account_new_msgs = 0;
1122
1123         list = account_get_list();
1124         if (!list) return 0;
1125
1126         for (; list != NULL; list = list->next) {
1127                 PrefsAccount *account = list->data;
1128
1129                 if ((account->protocol == A_LOCAL) &&
1130                     (account->recv_at_getall)) {
1131                         account_new_msgs = inc_spool_account(account);
1132                         if (account_new_msgs > 0)
1133                                 new_msgs += account_new_msgs;
1134                 }
1135         }
1136
1137         return new_msgs;
1138 }
1139
1140 static gint get_spool(FolderItem *dest, const gchar *mbox)
1141 {
1142         gint msgs, size;
1143         gint lockfd;
1144         gchar tmp_mbox[MAXPATHLEN + 1];
1145
1146         g_return_val_if_fail(dest != NULL, -1);
1147         g_return_val_if_fail(mbox != NULL, -1);
1148
1149         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1150                 debug_print("no messages in local mailbox.\n");
1151                 return 0;
1152         } else if (size < 0)
1153                 return -1;
1154
1155         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1156                 return -1;
1157
1158         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1159                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1160
1161         if (copy_mbox(mbox, tmp_mbox) < 0) {
1162                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1163                 return -1;
1164         }
1165
1166         debug_print("Getting new messages from %s into %s...\n",
1167                     mbox, dest->path);
1168
1169         msgs = proc_mbox(dest, tmp_mbox);
1170
1171         unlink(tmp_mbox);
1172         if (msgs >= 0) empty_mbox(mbox);
1173         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1174
1175         return msgs;
1176 }
1177
1178 void inc_lock(void)
1179 {
1180         inc_lock_count++;
1181 }
1182
1183 void inc_unlock(void)
1184 {
1185         if (inc_lock_count > 0)
1186                 inc_lock_count--;
1187 }
1188
1189 static guint autocheck_timer = 0;
1190 static gpointer autocheck_data = NULL;
1191
1192 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1193 {
1194
1195         gchar *buf;
1196
1197         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1198             *prefs_common.newmail_notify_cmd))
1199                      return;
1200         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1201                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1202                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1203                                       new_msgs);
1204         else
1205                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1206
1207         execute_command_line(buf, TRUE);
1208
1209         g_free(buf);
1210 }
1211
1212 void inc_autocheck_timer_init(MainWindow *mainwin)
1213 {
1214         autocheck_data = mainwin;
1215         inc_autocheck_timer_set();
1216 }
1217
1218 static void inc_autocheck_timer_set_interval(guint interval)
1219 {
1220         inc_autocheck_timer_remove();
1221         /* last test is to avoid re-enabling auto_check after modifying
1222            the common preferences */
1223         if (prefs_common.autochk_newmail && autocheck_data
1224             && prefs_common.work_offline == FALSE) {
1225                 autocheck_timer = gtk_timeout_add
1226                         (interval, inc_autocheck_func, autocheck_data);
1227                 debug_print("added timer = %d\n", autocheck_timer);
1228         }
1229 }
1230
1231 void inc_autocheck_timer_set(void)
1232 {
1233         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1234 }
1235
1236 void inc_autocheck_timer_remove(void)
1237 {
1238         if (autocheck_timer) {
1239                 debug_print("removed timer = %d\n", autocheck_timer);
1240                 gtk_timeout_remove(autocheck_timer);
1241                 autocheck_timer = 0;
1242         }
1243 }
1244
1245 static gint inc_autocheck_func(gpointer data)
1246 {
1247         MainWindow *mainwin = (MainWindow *)data;
1248
1249         if (inc_lock_count) {
1250                 debug_print("autocheck is locked.\n");
1251                 inc_autocheck_timer_set_interval(1000);
1252                 return FALSE;
1253         }
1254
1255         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1256
1257         return FALSE;
1258 }