src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 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 "folder.h"
  65 #include "filtering.h"
  66 #include "log.h"
  67 #include "hooks.h"
  68
  69 static GList *inc_dialog_list = NULL;
  70
  71 static guint inc_lock_count = 0;
  72
  73 static GdkPixmap *currentxpm;
  74 static GdkBitmap *currentxpmmask;
  75 static GdkPixmap *errorxpm;
  76 static GdkBitmap *errorxpmmask;
  77 static GdkPixmap *okxpm;
  78 static GdkBitmap *okxpmmask;
  79
  80 #define MSGBUFSIZE      8192
  81
  82 static void inc_finished                (MainWindow             *mainwin,
  83                                          gboolean                new_messages);
  84 static gint inc_account_mail            (PrefsAccount           *account,
  85                                          MainWindow             *mainwin);
  86
  87 static IncProgressDialog *inc_progress_dialog_create    (void);
  88 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  89
  90 static IncSession *inc_session_new      (PrefsAccount           *account);
  91 static void inc_session_destroy         (IncSession             *session);
  92 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  93 static IncState inc_pop3_session_do     (IncSession             *session);
  94
  95 static gint inc_recv_data_progressive   (Session        *session,
  96                                          guint           cur_len,
  97                                          guint           total_len,
  98                                          gpointer        data);
  99 static gint inc_recv_data_finished      (Session        *session,
 100                                          guint           len,
 101                                          gpointer        data);
 102 static gint inc_recv_message            (Session        *session,
 103                                          const gchar    *msg,
 104                                          gpointer        data);
 105
 106 static void inc_put_error               (IncState        istate,
 107                                          const gchar    *msg);
 108
 109 static void inc_cancel_cb               (GtkWidget      *widget,
 110                                          gpointer        data);
 111 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 112                                          GdkEventAny    *event,
 113                                          gpointer        data);
 114
 115 static gint inc_spool                   (void);
 116 static gint get_spool                   (FolderItem     *dest,
 117                                          const gchar    *mbox);
 118
 119 static gint inc_spool_account(PrefsAccount *account);
 120 static gint inc_all_spool(void);
 121 static void inc_autocheck_timer_set_interval    (guint           interval);
 122 static gint inc_autocheck_func                  (gpointer        data);
 123
 124 static void inc_notify_cmd              (gint new_msgs,
 125                                          gboolean notify);
 126
 127 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 128         (f) && (s) ? ((s)->newmsgs != (f)->new_msgs) || ((f)->unread_msgs != (s)->unread) || ((f)->total_msgs != (s)->messages) \
 129         : FALSE
 130
 131 /**
 132  * inc_finished:
 133  * @mainwin: Main window.
 134  * @new_messages: TRUE if some messages have been received.
 135  *
 136  * Update the folder view and the summary view after receiving
 137  * messages.  If @new_messages is FALSE, this function avoids unneeded
 138  * updating.
 139  **/
 140 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 141 {
 142         FolderItem *item;
 143
 144         if (prefs_common.scan_all_after_inc)
 145                 folderview_check_new(NULL);
 146
 147         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 148
 149         if (prefs_common.open_inbox_on_inc) {
 150                 item = cur_account && cur_account->inbox
 151                         ? folder_find_item_from_identifier(cur_account->inbox)
 152                         : folder_get_default_inbox();
 153                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 154                         folderview_unselect(mainwin->folderview);
 155                         folderview_select(mainwin->folderview, item);
 156                 }
 157         }
 158 }
 159
 160 void inc_mail(MainWindow *mainwin, gboolean notify)
 161 {
 162         gint new_msgs = 0;
 163         gint account_new_msgs = 0;
 164
 165         if (inc_lock_count) return;
 166
 167         if (prefs_common.work_offline)
 168                 if (alertpanel(_("Offline warning"),
 169                                _("You're working offline. Override?"),
 170                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 171                 return;
 172
 173         inc_lock();
 174         inc_autocheck_timer_remove();
 175         main_window_lock(mainwin);
 176
 177         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 178                 /* external incorporating program */
 179                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 180                         main_window_unlock(mainwin);
 181                         inc_autocheck_timer_set();
 182                         return;
 183                 }
 184
 185                 if (prefs_common.inc_local) {
 186                         account_new_msgs = inc_spool();
 187                         if (account_new_msgs > 0)
 188                                 new_msgs += account_new_msgs;
 189                 }
 190         } else {
 191                 if (prefs_common.inc_local) {
 192                         account_new_msgs = inc_spool();
 193                         if (account_new_msgs > 0)
 194                                 new_msgs += account_new_msgs;
 195                 }
 196
 197                 account_new_msgs = inc_account_mail(cur_account, mainwin);
 198                 if (account_new_msgs > 0)
 199                         new_msgs += account_new_msgs;
 200         }
 201
 202         inc_finished(mainwin, new_msgs > 0);
 203         main_window_unlock(mainwin);
 204         inc_notify_cmd(new_msgs, notify);
 205         inc_autocheck_timer_set();
 206         inc_unlock();
 207 }
 208
 209 void inc_pop_before_smtp(PrefsAccount *acc)
 210 {
 211         inc_account_mail(acc, NULL);
 212 }
 213
 214 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 215 {
 216         IncProgressDialog *inc_dialog;
 217         IncSession *session;
 218         gchar *text[3];
 219         FolderItem *item = NULL;
 220
 221         if(mainwin && mainwin->summaryview)
 222                 item = mainwin->summaryview->folder_item;
 223
 224         switch (account->protocol) {
 225         case A_IMAP4:
 226         case A_NNTP:
 227                 /* Melvin: bug [14]
 228                  * FIXME: it should return foldeview_check_new() value.
 229                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 230                  * an incorrect new message count)
 231                  */
 232                 folderview_check_new(FOLDER(account->folder));
 233                 return 0;
 234         case A_POP3:
 235         case A_APOP:
 236                 session = inc_session_new(account);
 237                 if (!session) return 0;
 238
 239                 inc_dialog = inc_progress_dialog_create();
 240                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 241                                                        session);
 242                 inc_dialog->mainwin = mainwin;
 243                 session->data = inc_dialog;
 244
 245                 text[0] = NULL;
 246                 text[1] = account->account_name;
 247                 text[2] = _("Standby");
 248                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 249
 250                 if (mainwin) {
 251                         toolbar_main_set_sensitive(mainwin);
 252                         main_window_set_menu_sensitive(mainwin);
 253                 }
 254
 255                 return inc_start(inc_dialog);
 256
 257         case A_LOCAL:
 258                 return inc_spool_account(account);
 259
 260         default:
 261                 break;
 262         }
 263         return 0;
 264 }
 265
 266 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 267 {
 268         GList *list, *queue_list = NULL;
 269         IncProgressDialog *inc_dialog;
 270         gint new_msgs = 0;
 271         gint account_new_msgs = 0;
 272
 273         if (prefs_common.work_offline)
 274                 if (alertpanel(_("Offline warning"),
 275                                _("You're working offline. Override?"),
 276                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 277                 return;
 278
 279         if (inc_lock_count) return;
 280
 281         inc_autocheck_timer_remove();
 282         main_window_lock(mainwin);
 283
 284         if (prefs_common.inc_local) {
 285                 account_new_msgs = inc_spool();
 286                 if (account_new_msgs > 0)
 287                         new_msgs += account_new_msgs;
 288         }
 289
 290         list = account_get_list();
 291         if (!list) {
 292                 inc_finished(mainwin, new_msgs > 0);
 293                 main_window_unlock(mainwin);
 294                 inc_notify_cmd(new_msgs, notify);
 295                 inc_autocheck_timer_set();
 296                 return;
 297         }
 298
 299         /* check local folders */
 300         account_new_msgs = inc_all_spool();
 301         if (account_new_msgs > 0)
 302                 new_msgs += account_new_msgs;
 303
 304         /* check IMAP4 folders */
 305         for (; list != NULL; list = list->next) {
 306                 PrefsAccount *account = list->data;
 307                 if ((account->protocol == A_IMAP4 ||
 308                      account->protocol == A_NNTP) && account->recv_at_getall) {
 309                         new_msgs += folderview_check_new(FOLDER(account->folder));
 310                 }
 311         }
 312
 313         /* check POP3 accounts */
 314         for (list = account_get_list(); list != NULL; list = list->next) {
 315                 IncSession *session;
 316                 PrefsAccount *account = list->data;
 317
 318                 if (account->recv_at_getall) {
 319                         session = inc_session_new(account);
 320                         if (session)
 321                                 queue_list = g_list_append(queue_list, session);
 322                 }
 323         }
 324
 325         if (!queue_list) {
 326                 inc_finished(mainwin, new_msgs > 0);
 327                 main_window_unlock(mainwin);
 328                 inc_notify_cmd(new_msgs, notify);
 329                 inc_autocheck_timer_set();
 330                 return;
 331         }
 332
 333         inc_dialog = inc_progress_dialog_create();
 334         inc_dialog->queue_list = queue_list;
 335         inc_dialog->mainwin = mainwin;
 336         for (list = queue_list; list != NULL; list = list->next) {
 337                 IncSession *session = list->data;
 338                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 339                 gchar *text[3];
 340
 341                 session->data = inc_dialog;
 342
 343                 text[0] = NULL;
 344                 text[1] = pop3_session->ac_prefs->account_name;
 345                 text[2] = _("Standby");
 346                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 347         }
 348
 349         toolbar_main_set_sensitive(mainwin);
 350         main_window_set_menu_sensitive(mainwin);
 351
 352         new_msgs += inc_start(inc_dialog);
 353         inc_finished(mainwin, new_msgs > 0);
 354         main_window_unlock(mainwin);
 355         inc_notify_cmd(new_msgs, notify);
 356         inc_autocheck_timer_set();
 357 }
 358
 359 static IncProgressDialog *inc_progress_dialog_create(void)
 360 {
 361         IncProgressDialog *dialog;
 362         ProgressDialog *progress;
 363
 364         dialog = g_new0(IncProgressDialog, 1);
 365
 366         progress = progress_dialog_create();
 367         gtk_window_set_title(GTK_WINDOW(progress->window),
 368                              _("Retrieving new messages"));
 369         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 370                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 371         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 372                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 373         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 374
 375         progress_dialog_set_value(progress, 0.0);
 376
 377         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 378                          &okxpm, &okxpmmask);
 379         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 380                          &currentxpm, &currentxpmmask);
 381         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 382                          &errorxpm, &errorxpmmask);
 383
 384         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 385             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 386              manage_window_get_focus_window())) {
 387                 dialog->show_dialog = TRUE;
 388                 gtk_widget_show_now(progress->window);
 389         }
 390
 391         dialog->dialog = progress;
 392         dialog->queue_list = NULL;
 393
 394         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 395
 396         return dialog;
 397 }
 398
 399 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 400 {
 401         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 402         progress_dialog_set_label(inc_dialog->dialog, "");
 403         if (inc_dialog->mainwin)
 404                 gtk_progress_bar_update
 405                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 406 }
 407
 408 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 409 {
 410         g_return_if_fail(inc_dialog != NULL);
 411
 412         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 413         if (inc_dialog->mainwin)
 414                 gtk_progress_bar_update
 415                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 416         progress_dialog_destroy(inc_dialog->dialog);
 417
 418         g_free(inc_dialog);
 419 }
 420
 421 static IncSession *inc_session_new(PrefsAccount *account)
 422 {
 423         IncSession *session;
 424
 425         g_return_val_if_fail(account != NULL, NULL);
 426
 427         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 428                 return NULL;
 429         if (!account->recv_server || !account->userid)
 430                 return NULL;
 431
 432         session = g_new0(IncSession, 1);
 433         session->session = pop3_session_new(account);
 434         session->session->data = session;
 435
 436         return session;
 437 }
 438
 439 static void inc_session_destroy(IncSession *session)
 440 {
 441         g_return_if_fail(session != NULL);
 442
 443         session_destroy(session->session);
 444         g_free(session);
 445 }
 446
 447 static gint inc_start(IncProgressDialog *inc_dialog)
 448 {
 449         IncSession *session;
 450         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 451         Pop3Session *pop3_session;
 452         IncState inc_state;
 453         gint num = 0;
 454         gint error_num = 0;
 455         gint new_msgs = 0;
 456         gchar *msg;
 457         gchar *fin_msg;
 458         FolderItem *processing, *inbox;
 459         MsgInfo *msginfo;
 460         GSList *msglist, *msglist_element;
 461
 462         while (inc_dialog->queue_list != NULL) {
 463                 session = inc_dialog->queue_list->data;
 464                 pop3_session = POP3_SESSION(session->session);
 465
 466                 inc_progress_dialog_clear(inc_dialog);
 467
 468                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 469
 470                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 471                 if (pop3_session->ac_prefs->passwd)
 472                         pop3_session->pass =
 473                                 g_strdup(pop3_session->ac_prefs->passwd);
 474                 else if (pop3_session->ac_prefs->tmp_pass)
 475                         pop3_session->pass =
 476                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 477                 else {
 478                         gchar *pass;
 479
 480                         pass = input_dialog_query_password
 481                                 (pop3_session->ac_prefs->recv_server,
 482                                  pop3_session->user);
 483
 484                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
 485                                 manage_window_focus_in
 486                                         (inc_dialog->mainwin->window,
 487                                          NULL, NULL);
 488                         if (pass) {
 489                                 pop3_session->ac_prefs->tmp_pass =
 490                                         g_strdup(pass);
 491                                 pop3_session->pass = pass;
 492                         } else {
 493                                 inc_session_destroy(session);
 494                                 inc_dialog->queue_list = g_list_remove
 495                                         (inc_dialog->queue_list, session);
 496                                 continue;
 497                         }
 498                 }
 499
 500                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 501                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 502
 503                 session_set_recv_message_notify(session->session,
 504                                                 inc_recv_message, session);
 505                 session_set_recv_data_progressive_notify
 506                         (session->session, inc_recv_data_progressive, session);
 507                 session_set_recv_data_notify(session->session,
 508                                              inc_recv_data_finished, session);
 509
 510                 /* begin POP3 session */
 511                 inc_state = inc_pop3_session_do(session);
 512
 513                 switch (inc_state) {
 514                 case INC_SUCCESS:
 515                         if (pop3_session->cur_total_num > 0)
 516                                 msg = g_strdup_printf
 517                                         (_("Done (%d message(s) (%s) received)"),
 518                                          pop3_session->cur_total_num,
 519                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 520                         else
 521                                 msg = g_strdup_printf(_("Done (no new messages)"));
 522                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 523                         gtk_clist_set_text(clist, num, 2, msg);
 524                         g_free(msg);
 525                         break;
 526                 case INC_CONNECT_ERROR:
 527                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 528                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 529                         break;
 530                 case INC_AUTH_FAILED:
 531                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 532                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 533                         break;
 534                 case INC_LOCKED:
 535                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 536                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 537                         break;
 538                 case INC_ERROR:
 539                 case INC_NO_SPACE:
 540                 case INC_IO_ERROR:
 541                 case INC_SOCKET_ERROR:
 542                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 543                         gtk_clist_set_text(clist, num, 2, _("Error"));
 544                         break;
 545                 case INC_CANCEL:
 546                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 547                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 548                         break;
 549                 default:
 550                         break;
 551                 }
 552
 553                 if (pop3_session->error_val == PS_AUTHFAIL) {
 554                         if(!prefs_common.no_recv_err_panel) {
 555                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 556                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 557                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 558                                 }
 559                                 alertpanel_error
 560                                         (_("Authorization for %s on %s failed"),
 561                                          pop3_session->user,
 562                                          pop3_session->ac_prefs->recv_server);
 563                         }
 564                 }
 565
 566                 /* CLAWS: perform filtering actions on dropped message */
 567                 /* CLAWS: get default inbox (perhaps per account) */
 568                 if (pop3_session->ac_prefs->inbox) {
 569                         /* CLAWS: get destination folder / mailbox */
 570                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 571                         if (!inbox)
 572                                 inbox = folder_get_default_inbox();
 573                 } else
 574                         inbox = folder_get_default_inbox();
 575
 576                 /* get list of messages in processing */
 577                 processing = folder_get_default_processing();
 578                 folder_item_scan(processing);
 579                 msglist = folder_item_get_msg_list(processing);
 580
 581                 folder_item_update_freeze();
 582
 583                 /* process messages */
 584                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 585                         msginfo = (MsgInfo *) msglist_element->data;
 586                         if (!pop3_session->ac_prefs->filter_on_recv || !procmsg_msginfo_filter(msginfo))
 587                                 folder_item_move_msg(inbox, msginfo);
 588                         procmsg_msginfo_free(msginfo);
 589                 }
 590                 g_slist_free(msglist);
 591
 592                 folder_item_update_thaw();
 593
 594
 595                 new_msgs += pop3_session->cur_total_num;
 596
 597                 if (pop3_session->error_val == PS_AUTHFAIL &&
 598                     pop3_session->ac_prefs->tmp_pass) {
 599                         g_free(pop3_session->ac_prefs->tmp_pass);
 600                         pop3_session->ac_prefs->tmp_pass = NULL;
 601                 }
 602
 603                 pop3_write_uidl_list(pop3_session);
 604
 605                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 606                         error_num++;
 607                         if (inc_dialog->show_dialog)
 608                                 manage_window_focus_in
 609                                         (inc_dialog->dialog->window,
 610                                          NULL, NULL);
 611                         inc_put_error(inc_state, pop3_session->error_msg);
 612                         if (inc_dialog->show_dialog)
 613                                 manage_window_focus_out
 614                                         (inc_dialog->dialog->window,
 615                                          NULL, NULL);
 616                         if (inc_state == INC_NO_SPACE ||
 617                             inc_state == INC_IO_ERROR)
 618                                 break;
 619                 }
 620
 621                 inc_session_destroy(session);
 622                 inc_dialog->queue_list =
 623                         g_list_remove(inc_dialog->queue_list, session);
 624
 625                 num++;
 626         }
 627
 628         if (new_msgs > 0)
 629                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 630                                           new_msgs);
 631         else
 632                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 633
 634         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 635
 636         if (error_num && !prefs_common.no_recv_err_panel) {
 637                 if (inc_dialog->show_dialog)
 638                         manage_window_focus_in(inc_dialog->dialog->window,
 639                                                NULL, NULL);
 640                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 641                 if (inc_dialog->show_dialog)
 642                         manage_window_focus_out(inc_dialog->dialog->window,
 643                                                 NULL, NULL);
 644         }
 645
 646         while (inc_dialog->queue_list != NULL) {
 647                 session = inc_dialog->queue_list->data;
 648                 inc_session_destroy(session);
 649                 inc_dialog->queue_list =
 650                         g_list_remove(inc_dialog->queue_list, session);
 651         }
 652
 653         if (prefs_common.close_recv_dialog)
 654                 inc_progress_dialog_destroy(inc_dialog);
 655         else {
 656                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 657                                      fin_msg);
 658                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 659                                    _("Close"));
 660         }
 661
 662         g_free(fin_msg);
 663
 664         return new_msgs;
 665 }
 666
 667 static IncState inc_pop3_session_do(IncSession *session)
 668 {
 669         Pop3Session *pop3_session = POP3_SESSION(session->session);
 670         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 671         gchar *server;
 672         gushort port;
 673         gchar *buf;
 674
 675         debug_print("getting new messages of account %s...\n",
 676                     pop3_session->ac_prefs->account_name);
 677
 678         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 679                               pop3_session->ac_prefs->recv_server);
 680         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 681         g_free(buf);
 682
 683         server = pop3_session->ac_prefs->recv_server;
 684 #if USE_OPENSSL
 685         port = pop3_session->ac_prefs->set_popport ?
 686                 pop3_session->ac_prefs->popport :
 687                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 688         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 689 #else
 690         port = pop3_session->ac_prefs->set_popport ?
 691                 pop3_session->ac_prefs->popport : 110;
 692 #endif
 693
 694         statusbar_verbosity_set(TRUE);
 695         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 696         log_message("%s\n", buf);
 697
 698         progress_dialog_set_label(inc_dialog->dialog, buf);
 699         g_free(buf);
 700         GTK_EVENTS_FLUSH();
 701
 702         statusbar_verbosity_set(FALSE);
 703
 704         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 705                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 706                             server, port);
 707                 if(!prefs_common.no_recv_err_panel) {
 708                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 709                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 710                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 711                         }
 712                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 713                                          server, port);
 714                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 715                 }
 716                 session->inc_state = INC_CONNECT_ERROR;
 717                 return INC_CONNECT_ERROR;
 718         }
 719
 720         statusbar_verbosity_set(TRUE);
 721
 722         while (SESSION(pop3_session)->state != SESSION_DISCONNECTED &&
 723                SESSION(pop3_session)->state != SESSION_ERROR)
 724                 gtk_main_iteration();
 725
 726
 727         statusbar_verbosity_set(FALSE);
 728         if (session->inc_state == INC_SUCCESS) {
 729                 switch (pop3_session->error_val) {
 730                 case PS_SUCCESS:
 731                         if (SESSION(pop3_session)->state == SESSION_ERROR) {
 732                                 if (pop3_session->state == POP3_READY)
 733                                         session->inc_state = INC_CONNECT_ERROR;
 734                                 else
 735                                         session->inc_state = INC_ERROR;
 736                         } else
 737                                 session->inc_state = INC_SUCCESS;
 738                         break;
 739                 case PS_AUTHFAIL:
 740                         session->inc_state = INC_AUTH_FAILED;
 741                         break;
 742                 case PS_IOERR:
 743                         session->inc_state = INC_IO_ERROR;
 744                         break;
 745                 case PS_SOCKET:
 746                         session->inc_state = INC_SOCKET_ERROR;
 747                         break;
 748                 case PS_LOCKBUSY:
 749                         session->inc_state = INC_LOCKED;
 750                         break;
 751                 default:
 752                         session->inc_state = INC_ERROR;
 753                         break;
 754                 }
 755         }
 756
 757         return session->inc_state;
 758 }
 759
 760 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 761                                       guint total_len, gpointer data)
 762 {
 763         gchar buf[MSGBUFSIZE];
 764         IncSession *inc_session = (IncSession *)data;
 765         Pop3Session *pop3_session = POP3_SESSION(session);
 766         IncProgressDialog *inc_dialog;
 767         ProgressDialog *dialog;
 768         gint cur_total;
 769         gchar *total_size;
 770
 771         g_return_val_if_fail(inc_session != NULL, -1);
 772
 773         inc_dialog = (IncProgressDialog *)inc_session->data;
 774         dialog = inc_dialog->dialog;
 775
 776         cur_total = pop3_session->cur_total_bytes + cur_len;
 777         if (cur_total > pop3_session->total_bytes)
 778                 cur_total = pop3_session->total_bytes;
 779
 780         Xstrdup_a(total_size, to_human_readable(pop3_session->total_bytes),
 781                   return FALSE);
 782         g_snprintf(buf, sizeof(buf),
 783                    _("Retrieving message (%d / %d) (%s / %s)"),
 784                    pop3_session->cur_msg, pop3_session->count,
 785                    to_human_readable(cur_total), total_size);
 786         progress_dialog_set_label(dialog, buf);
 787         progress_dialog_set_percentage
 788                 (dialog, (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 789         if (inc_dialog->mainwin)
 790                 gtk_progress_bar_update
 791                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 792                          (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 793         GTK_EVENTS_FLUSH();
 794
 795         return 0;
 796 }
 797
 798 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
 799 {
 800         IncSession *inc_session = (IncSession *)data;
 801
 802         g_return_val_if_fail(inc_session != NULL, -1);
 803
 804         inc_recv_data_progressive(session, 0, len, inc_session);
 805         return 0;
 806 }
 807
 808 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
 809 {
 810         gchar buf[MSGBUFSIZE];
 811         IncSession *inc_session = (IncSession *)data;
 812         Pop3Session *pop3_session = POP3_SESSION(session);
 813         IncProgressDialog *inc_dialog;
 814         ProgressDialog *dialog;
 815
 816         g_return_val_if_fail(inc_session != NULL, -1);
 817
 818         inc_dialog = (IncProgressDialog *)inc_session->data;
 819         dialog = inc_dialog->dialog;
 820
 821         switch (pop3_session->state) {
 822         case POP3_GREETING:
 823                 break;
 824         case POP3_GETAUTH_USER:
 825         case POP3_GETAUTH_PASS:
 826         case POP3_GETAUTH_APOP:
 827                 progress_dialog_set_label(dialog, _("Authenticating..."));
 828                 break;
 829         case POP3_GETRANGE_STAT:
 830                 progress_dialog_set_label
 831                         (dialog, _("Getting the number of new messages (STAT)..."));
 832                 break;
 833         case POP3_GETRANGE_LAST:
 834                 progress_dialog_set_label
 835                         (dialog, _("Getting the number of new messages (LAST)..."));
 836                 break;
 837         case POP3_GETRANGE_UIDL:
 838                 progress_dialog_set_label
 839                         (dialog, _("Getting the number of new messages (UIDL)..."));
 840                 break;
 841         case POP3_GETSIZE_LIST:
 842                 progress_dialog_set_label
 843                         (dialog, _("Getting the size of messages (LIST)..."));
 844                 break;
 845         case POP3_RETR:
 846                 inc_recv_data_progressive
 847                         (session, 0,
 848                          pop3_session->msg[pop3_session->cur_msg].size, data);
 849                 break;
 850         case POP3_DELETE:
 851                 if (pop3_session->msg[pop3_session->cur_msg].recv_time <
 852                         pop3_session->current_time) {
 853                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 854                                    pop3_session->cur_msg);
 855                         progress_dialog_set_label(dialog, buf);
 856                 }
 857                 break;
 858         case POP3_LOGOUT:
 859                 progress_dialog_set_label(dialog, _("Quitting"));
 860                 break;
 861         default:
 862                 break;
 863         }
 864
 865         return 0;
 866 }
 867
 868 gint inc_drop_message(const gchar *file, Pop3Session *session)
 869 {
 870         FolderItem *inbox;
 871         FolderItem *dropfolder;
 872         gint msgnum;
 873         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
 874         gint val;
 875
 876         if (session->ac_prefs->inbox) {
 877                 inbox = folder_find_item_from_identifier
 878                         (session->ac_prefs->inbox);
 879                 if (!inbox)
 880                         inbox = folder_get_default_inbox();
 881         } else
 882                 inbox = folder_get_default_inbox();
 883         if (!inbox) {
 884                 unlink(file);
 885                 return -1;
 886         }
 887
 888         /* CLAWS: claws uses a global .processing folder for the filtering. */
 889         dropfolder = folder_get_default_processing();
 890
 891         /* add msg file to drop folder */
 892         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 893                 unlink(file);
 894                 return -1;
 895         }
 896
 897         return 0;
 898 }
 899
 900 static void inc_put_error(IncState istate, const gchar *msg)
 901 {
 902         switch (istate) {
 903         case INC_ERROR:
 904                 if (prefs_common.no_recv_err_panel)
 905                         break;
 906                 if (msg)
 907                         alertpanel_error(_("Error occurred while processing mail:\n%s"), msg);
 908                 else
 909                         alertpanel_error(_("Error occurred while processing mail."));
 910                 break;
 911         case INC_NO_SPACE:
 912                 alertpanel_error(_("No disk space left."));
 913                 break;
 914         case INC_IO_ERROR:
 915                 alertpanel_error(_("Can't write file."));
 916                 break;
 917         case INC_SOCKET_ERROR:
 918                 if (prefs_common.no_recv_err_panel)
 919                         break;
 920                 alertpanel_error(_("Socket error."));
 921                 break;
 922         case INC_LOCKED:
 923                 if (prefs_common.no_recv_err_panel)
 924                         break;
 925                 if (msg)
 926                         alertpanel_error(_("Mailbox is locked:\n%s"), msg);
 927                 else
 928                         alertpanel_error(_("Mailbox is locked."));
 929                 break;
 930         case INC_AUTH_FAILED:
 931                 if (prefs_common.no_recv_err_panel)
 932                         break;
 933                 if (msg)
 934                         alertpanel_error(_("Authentication failed:\n%s"),
 935                                          msg);
 936                 else
 937                         alertpanel_error(_("Authentication failed."));
 938                 break;
 939         default:
 940                 break;
 941         }
 942 }
 943
 944 static void inc_cancel(IncProgressDialog *dialog)
 945 {
 946         IncSession *session;
 947
 948         g_return_if_fail(dialog != NULL);
 949
 950         if (dialog->queue_list == NULL) {
 951                 inc_progress_dialog_destroy(dialog);
 952                 return;
 953         }
 954
 955         session = dialog->queue_list->data;
 956
 957         session->session->state = SESSION_DISCONNECTED;
 958         session->inc_state = INC_CANCEL;
 959
 960         log_message(_("Incorporation cancelled\n"));
 961 }
 962
 963 gboolean inc_is_active(void)
 964 {
 965         return (inc_dialog_list != NULL);
 966 }
 967
 968 void inc_cancel_all(void)
 969 {
 970         GList *cur;
 971
 972         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
 973                 inc_cancel((IncProgressDialog *)cur->data);
 974 }
 975
 976 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
 977 {
 978         inc_cancel((IncProgressDialog *)data);
 979 }
 980
 981 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
 982                                  gpointer data)
 983 {
 984         IncProgressDialog *dialog = (IncProgressDialog *)data;
 985
 986         if (dialog->queue_list == NULL)
 987                 inc_progress_dialog_destroy(dialog);
 988
 989         return TRUE;
 990 }
 991
 992 static gint inc_spool(void)
 993 {
 994         gchar *mbox, *logname;
 995         gint msgs;
 996
 997         logname = g_get_user_name();
 998         mbox = g_strconcat(prefs_common.spool_path
 999                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1000                            G_DIR_SEPARATOR_S, logname, NULL);
1001         msgs = get_spool(folder_get_default_inbox(), mbox);
1002         g_free(mbox);
1003
1004         return msgs;
1005 }
1006
1007 static gint inc_spool_account(PrefsAccount *account)
1008 {
1009         FolderItem *inbox;
1010
1011         if (account->inbox) {
1012                 inbox = folder_find_item_from_path(account->inbox);
1013                 if (!inbox)
1014                         inbox = folder_get_default_inbox();
1015         } else
1016                 inbox = folder_get_default_inbox();
1017
1018         return get_spool(inbox, account->local_mbox);
1019 }
1020
1021 static gint inc_all_spool(void)
1022 {
1023         GList *list = NULL;
1024         gint new_msgs = 0;
1025         gint account_new_msgs = 0;
1026
1027         list = account_get_list();
1028         if (!list) return 0;
1029
1030         for (; list != NULL; list = list->next) {
1031                 PrefsAccount *account = list->data;
1032
1033                 if ((account->protocol == A_LOCAL) &&
1034                     (account->recv_at_getall)) {
1035                         account_new_msgs = inc_spool_account(account);
1036                         if (account_new_msgs > 0)
1037                                 new_msgs += account_new_msgs;
1038                 }
1039         }
1040
1041         return new_msgs;
1042 }
1043
1044 static gint get_spool(FolderItem *dest, const gchar *mbox)
1045 {
1046         gint msgs, size;
1047         gint lockfd;
1048         gchar tmp_mbox[MAXPATHLEN + 1];
1049
1050         g_return_val_if_fail(dest != NULL, -1);
1051         g_return_val_if_fail(mbox != NULL, -1);
1052
1053         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1054                 debug_print("no messages in local mailbox.\n");
1055                 return 0;
1056         } else if (size < 0)
1057                 return -1;
1058
1059         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1060                 return -1;
1061
1062         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1063                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1064
1065         if (copy_mbox(mbox, tmp_mbox) < 0) {
1066                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1067                 return -1;
1068         }
1069
1070         debug_print("Getting new messages from %s into %s...\n",
1071                     mbox, dest->path);
1072
1073         msgs = proc_mbox(dest, tmp_mbox);
1074
1075         unlink(tmp_mbox);
1076         if (msgs >= 0) empty_mbox(mbox);
1077         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1078
1079         return msgs;
1080 }
1081
1082 void inc_lock(void)
1083 {
1084         inc_lock_count++;
1085 }
1086
1087 void inc_unlock(void)
1088 {
1089         if (inc_lock_count > 0)
1090                 inc_lock_count--;
1091 }
1092
1093 static guint autocheck_timer = 0;
1094 static gpointer autocheck_data = NULL;
1095
1096 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1097 {
1098
1099         gchar *buf;
1100
1101         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1102             *prefs_common.newmail_notify_cmd))
1103                      return;
1104         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1105                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1106                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1107                                       new_msgs);
1108         else
1109                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1110
1111         execute_command_line(buf, TRUE);
1112
1113         g_free(buf);
1114 }
1115
1116 void inc_autocheck_timer_init(MainWindow *mainwin)
1117 {
1118         autocheck_data = mainwin;
1119         inc_autocheck_timer_set();
1120 }
1121
1122 static void inc_autocheck_timer_set_interval(guint interval)
1123 {
1124         inc_autocheck_timer_remove();
1125         /* last test is to avoid re-enabling auto_check after modifying
1126            the common preferences */
1127         if (prefs_common.autochk_newmail && autocheck_data
1128             && prefs_common.work_offline == FALSE) {
1129                 autocheck_timer = gtk_timeout_add
1130                         (interval, inc_autocheck_func, autocheck_data);
1131                 debug_print("added timer = %d\n", autocheck_timer);
1132         }
1133 }
1134
1135 void inc_autocheck_timer_set(void)
1136 {
1137         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1138 }
1139
1140 void inc_autocheck_timer_remove(void)
1141 {
1142         if (autocheck_timer) {
1143                 debug_print("removed timer = %d\n", autocheck_timer);
1144                 gtk_timeout_remove(autocheck_timer);
1145                 autocheck_timer = 0;
1146         }
1147 }
1148
1149 static gint inc_autocheck_func(gpointer data)
1150 {
1151         MainWindow *mainwin = (MainWindow *)data;
1152
1153         if (inc_lock_count) {
1154                 debug_print("autocheck is locked.\n");
1155                 inc_autocheck_timer_set_interval(1000);
1156                 return FALSE;
1157         }
1158
1159         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1160
1161         return FALSE;
1162 }