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 "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
 108 static void inc_cancel_cb               (GtkWidget      *widget,
 109                                          gpointer        data);
 110 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 111                                          GdkEventAny    *event,
 112                                          gpointer        data);
 113
 114 static gint inc_spool                   (void);
 115 static gint get_spool                   (FolderItem     *dest,
 116                                          const gchar    *mbox);
 117
 118 static gint inc_spool_account(PrefsAccount *account);
 119 static gint inc_all_spool(void);
 120 static void inc_autocheck_timer_set_interval    (guint           interval);
 121 static gint inc_autocheck_func                  (gpointer        data);
 122
 123 static void inc_notify_cmd              (gint new_msgs,
 124                                          gboolean notify);
 125
 126 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 127         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 128         : FALSE
 129
 130 /**
 131  * inc_finished:
 132  * @mainwin: Main window.
 133  * @new_messages: TRUE if some messages have been received.
 134  *
 135  * Update the folder view and the summary view after receiving
 136  * messages.  If @new_messages is FALSE, this function avoids unneeded
 137  * updating.
 138  **/
 139 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 140 {
 141         FolderItem *item;
 142
 143         if (prefs_common.scan_all_after_inc)
 144                 folderview_check_new(NULL);
 145
 146         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 147
 148         if (prefs_common.open_inbox_on_inc) {
 149                 item = cur_account && cur_account->inbox
 150                         ? folder_find_item_from_identifier(cur_account->inbox)
 151                         : folder_get_default_inbox();
 152                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 153                         folderview_unselect(mainwin->folderview);
 154                         folderview_select(mainwin->folderview, item);
 155                 }
 156         }
 157 }
 158
 159 void inc_mail(MainWindow *mainwin, gboolean notify)
 160 {
 161         gint new_msgs = 0;
 162         gint account_new_msgs = 0;
 163
 164         if (inc_lock_count) return;
 165
 166         if (prefs_common.work_offline)
 167                 if (alertpanel(_("Offline warning"),
 168                                _("You're working offline. Override?"),
 169                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 170                 return;
 171
 172         inc_lock();
 173         inc_autocheck_timer_remove();
 174         main_window_lock(mainwin);
 175
 176         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 177                 /* external incorporating program */
 178                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 179                         main_window_unlock(mainwin);
 180                         inc_autocheck_timer_set();
 181                         return;
 182                 }
 183
 184                 if (prefs_common.inc_local) {
 185                         account_new_msgs = inc_spool();
 186                         if (account_new_msgs > 0)
 187                                 new_msgs += account_new_msgs;
 188                 }
 189         } else {
 190                 if (prefs_common.inc_local) {
 191                         account_new_msgs = inc_spool();
 192                         if (account_new_msgs > 0)
 193                                 new_msgs += account_new_msgs;
 194                 }
 195                 cur_account->session = STYPE_NORMAL;
 196                 account_new_msgs = inc_account_mail(cur_account, mainwin);
 197                 if (account_new_msgs > 0)
 198                         new_msgs += account_new_msgs;
 199         }
 200
 201         inc_finished(mainwin, new_msgs > 0);
 202         main_window_unlock(mainwin);
 203         inc_notify_cmd(new_msgs, notify);
 204         inc_autocheck_timer_set();
 205         inc_unlock();
 206 }
 207
 208 void inc_pop_before_smtp(PrefsAccount *acc)
 209 {
 210         acc->session = STYPE_POP_BEFORE_SMTP;
 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                 account->session = STYPE_NORMAL;
 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                         MailFilteringData mail_filtering_data;
 586                         msginfo = (MsgInfo *) msglist_element->data;
 587
 588                         mail_filtering_data.msginfo = msginfo;
 589
 590                         if (!hooks_invoke(MAIL_FILTERING_HOOKLIST, &mail_filtering_data)) {
 591                                 /* filter if enabled in prefs or move to inbox if not */
 592                                 if(global_processing && pop3_session->ac_prefs->filter_on_recv) {
 593                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 594                                                                              inbox);
 595                                 } else {
 596                                         folder_item_move_msg(inbox, msginfo);
 597                                 }
 598                         }
 599                         procmsg_msginfo_free(msginfo);
 600                 }
 601                 g_slist_free(msglist);
 602
 603                 folder_item_update_thaw();
 604
 605
 606                 new_msgs += pop3_session->cur_total_num;
 607
 608                 if (pop3_session->error_val == PS_AUTHFAIL &&
 609                     pop3_session->ac_prefs->tmp_pass) {
 610                         g_free(pop3_session->ac_prefs->tmp_pass);
 611                         pop3_session->ac_prefs->tmp_pass = NULL;
 612                 }
 613
 614                 pop3_write_uidl_list(pop3_session);
 615
 616                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 617                         error_num++;
 618                         if (inc_state == INC_ERROR    ||
 619                             inc_state == INC_IO_ERROR ||
 620                             inc_state == INC_SOCKET_ERROR) {
 621                                 inc_put_error(inc_state);
 622                         } else if (inc_state == INC_NO_SPACE) {
 623                                 inc_put_error(inc_state);
 624                                 break;
 625                         }
 626                 }
 627
 628                 inc_session_destroy(session);
 629                 inc_dialog->queue_list =
 630                         g_list_remove(inc_dialog->queue_list, session);
 631
 632                 num++;
 633         }
 634
 635         if (new_msgs > 0)
 636                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 637                                           new_msgs);
 638         else
 639                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 640
 641         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 642
 643         if (error_num && !prefs_common.no_recv_err_panel) {
 644                 if (inc_dialog->show_dialog)
 645                         manage_window_focus_in(inc_dialog->dialog->window,
 646                                                NULL, NULL);
 647                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 648                 if (inc_dialog->show_dialog)
 649                         manage_window_focus_out(inc_dialog->dialog->window,
 650                                                 NULL, NULL);
 651         }
 652
 653         while (inc_dialog->queue_list != NULL) {
 654                 session = inc_dialog->queue_list->data;
 655                 inc_session_destroy(session);
 656                 inc_dialog->queue_list =
 657                         g_list_remove(inc_dialog->queue_list, session);
 658         }
 659
 660         if (prefs_common.close_recv_dialog)
 661                 inc_progress_dialog_destroy(inc_dialog);
 662         else {
 663                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 664                                      fin_msg);
 665                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 666                                    _("Close"));
 667         }
 668
 669         g_free(fin_msg);
 670
 671         return new_msgs;
 672 }
 673
 674 static IncState inc_pop3_session_do(IncSession *session)
 675 {
 676         Pop3Session *pop3_session = POP3_SESSION(session->session);
 677         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 678         gchar *server;
 679         gushort port;
 680         gchar *buf;
 681
 682         debug_print("getting new messages of account %s...\n",
 683                     pop3_session->ac_prefs->account_name);
 684
 685         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 686                               pop3_session->ac_prefs->recv_server);
 687         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 688         g_free(buf);
 689
 690         server = pop3_session->ac_prefs->recv_server;
 691 #if USE_OPENSSL
 692         port = pop3_session->ac_prefs->set_popport ?
 693                 pop3_session->ac_prefs->popport :
 694                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 695         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 696 #else
 697         port = pop3_session->ac_prefs->set_popport ?
 698                 pop3_session->ac_prefs->popport : 110;
 699 #endif
 700
 701         statusbar_verbosity_set(TRUE);
 702         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 703         log_message("%s\n", buf);
 704
 705         progress_dialog_set_label(inc_dialog->dialog, buf);
 706         g_free(buf);
 707         GTK_EVENTS_FLUSH();
 708
 709         statusbar_verbosity_set(FALSE);
 710
 711         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 712                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 713                             server, port);
 714                 if(!prefs_common.no_recv_err_panel) {
 715                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 716                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 717                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 718                         }
 719                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 720                                          server, port);
 721                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 722                 }
 723                 session->inc_state = INC_CONNECT_ERROR;
 724                 return INC_CONNECT_ERROR;
 725         }
 726
 727         statusbar_verbosity_set(TRUE);
 728
 729         while (SESSION(pop3_session)->state != SESSION_DISCONNECTED &&
 730                SESSION(pop3_session)->state != SESSION_ERROR)
 731                 gtk_main_iteration();
 732
 733
 734         statusbar_verbosity_set(FALSE);
 735         if (session->inc_state == INC_SUCCESS) {
 736                 switch (pop3_session->error_val) {
 737                 case PS_SUCCESS:
 738                         if (SESSION(pop3_session)->state == SESSION_ERROR) {
 739                                 if (pop3_session->state == POP3_READY)
 740                                         session->inc_state = INC_CONNECT_ERROR;
 741                                 else
 742                                         session->inc_state = INC_ERROR;
 743                         } else
 744                                 session->inc_state = INC_SUCCESS;
 745                         break;
 746                 case PS_AUTHFAIL:
 747                         session->inc_state = INC_AUTH_FAILED;
 748                         break;
 749                 case PS_IOERR:
 750                         session->inc_state = INC_IO_ERROR;
 751                         break;
 752                 case PS_SOCKET:
 753                         session->inc_state = INC_SOCKET_ERROR;
 754                         break;
 755                 case PS_LOCKBUSY:
 756                         session->inc_state = INC_LOCKED;
 757                         break;
 758                 default:
 759                         session->inc_state = INC_ERROR;
 760                         break;
 761                 }
 762         }
 763
 764         return session->inc_state;
 765 }
 766
 767 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 768                                       guint total_len, gpointer data)
 769 {
 770         gchar buf[MSGBUFSIZE];
 771         IncSession *inc_session = (IncSession *)data;
 772         Pop3Session *pop3_session = POP3_SESSION(session);
 773         IncProgressDialog *inc_dialog = (IncProgressDialog *)inc_session->data;
 774         ProgressDialog *dialog = inc_dialog->dialog;
 775         gint cur_total;
 776         gchar *total_size;
 777
 778         cur_total = pop3_session->cur_total_bytes + cur_len;
 779         if (cur_total > pop3_session->total_bytes)
 780                 cur_total = pop3_session->total_bytes;
 781
 782         Xstrdup_a(total_size, to_human_readable(pop3_session->total_bytes),
 783                   return FALSE);
 784         g_snprintf(buf, sizeof(buf),
 785                    _("Retrieving message (%d / %d) (%s / %s)"),
 786                    pop3_session->cur_msg, pop3_session->count,
 787                    to_human_readable(cur_total), total_size);
 788         progress_dialog_set_label(dialog, buf);
 789         progress_dialog_set_percentage
 790                 (dialog, (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 791         if (inc_dialog->mainwin)
 792                 gtk_progress_bar_update
 793                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 794                          (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 795         GTK_EVENTS_FLUSH();
 796
 797         return 0;
 798 }
 799
 800 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
 801 {
 802         inc_recv_data_progressive(session, 0, len, data);
 803         return 0;
 804 }
 805
 806 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
 807 {
 808         gchar buf[MSGBUFSIZE];
 809         IncSession *inc_session = (IncSession *)data;
 810         Pop3Session *pop3_session = POP3_SESSION(session);
 811         IncProgressDialog *inc_dialog = (IncProgressDialog *)inc_session->data;
 812         ProgressDialog *dialog = inc_dialog->dialog;
 813
 814         switch (pop3_session->state) {
 815         case POP3_GREETING:
 816                 break;
 817         case POP3_GETAUTH_USER:
 818         case POP3_GETAUTH_PASS:
 819         case POP3_GETAUTH_APOP:
 820                 progress_dialog_set_label(dialog, _("Authenticating..."));
 821                 break;
 822         case POP3_GETRANGE_STAT:
 823                 progress_dialog_set_label
 824                         (dialog, _("Getting the number of new messages (STAT)..."));
 825                 break;
 826         case POP3_GETRANGE_LAST:
 827                 progress_dialog_set_label
 828                         (dialog, _("Getting the number of new messages (LAST)..."));
 829                 break;
 830         case POP3_GETRANGE_UIDL:
 831                 progress_dialog_set_label
 832                         (dialog, _("Getting the number of new messages (UIDL)..."));
 833                 break;
 834         case POP3_GETSIZE_LIST:
 835                 progress_dialog_set_label
 836                         (dialog, _("Getting the size of messages (LIST)..."));
 837                 break;
 838         case POP3_RETR:
 839                 inc_recv_data_progressive
 840                         (session, 0,
 841                          pop3_session->msg[pop3_session->cur_msg].size, data);
 842                 break;
 843         case POP3_DELETE:
 844                 if (pop3_session->msg[pop3_session->cur_msg].recv_time <
 845                         pop3_session->current_time) {
 846                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 847                                    pop3_session->cur_msg);
 848                         progress_dialog_set_label(dialog, buf);
 849                 }
 850                 break;
 851         case POP3_LOGOUT:
 852                 progress_dialog_set_label(dialog, _("Quitting"));
 853                 break;
 854         default:
 855                 break;
 856         }
 857
 858         return 0;
 859 }
 860
 861 gint inc_drop_message(const gchar *file, Pop3Session *session)
 862 {
 863         FolderItem *inbox;
 864         FolderItem *dropfolder;
 865         gint msgnum;
 866         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
 867         gint val;
 868
 869         if (session->ac_prefs->inbox) {
 870                 inbox = folder_find_item_from_identifier
 871                         (session->ac_prefs->inbox);
 872                 if (!inbox)
 873                         inbox = folder_get_default_inbox();
 874         } else
 875                 inbox = folder_get_default_inbox();
 876         if (!inbox) {
 877                 unlink(file);
 878                 return -1;
 879         }
 880
 881         /* CLAWS: claws uses a global .processing folder for the filtering. */
 882         dropfolder = folder_get_default_processing();
 883
 884         /* add msg file to drop folder */
 885         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 886                 unlink(file);
 887                 return -1;
 888         }
 889
 890         return 0;
 891 }
 892
 893 static void inc_put_error(IncState istate)
 894 {
 895         switch (istate) {
 896         case INC_ERROR:
 897                 if (!prefs_common.no_recv_err_panel)
 898                         alertpanel_error
 899                                 (_("Error occurred while processing mail."));
 900                 break;
 901         case INC_NO_SPACE:
 902                 alertpanel_error(_("No disk space left."));
 903                 break;
 904         case INC_IO_ERROR:
 905                 alertpanel_error(_("Can't write file."));
 906                 break;
 907         case INC_SOCKET_ERROR:
 908                 alertpanel_error(_("Socket error."));
 909                 break;
 910         case INC_LOCKED:
 911                 if (!prefs_common.no_recv_err_panel)
 912                         alertpanel_error(_("Mailbox is locked."));
 913                 break;
 914         default:
 915                 break;
 916         }
 917 }
 918
 919 static void inc_cancel(IncProgressDialog *dialog)
 920 {
 921         IncSession *session;
 922
 923         g_return_if_fail(dialog != NULL);
 924
 925         if (dialog->queue_list == NULL) {
 926                 inc_progress_dialog_destroy(dialog);
 927                 return;
 928         }
 929
 930         session = dialog->queue_list->data;
 931
 932         session->session->state = SESSION_DISCONNECTED;
 933         session->inc_state = INC_CANCEL;
 934
 935         log_message(_("Incorporation cancelled\n"));
 936 }
 937
 938 gboolean inc_is_active(void)
 939 {
 940         return (inc_dialog_list != NULL);
 941 }
 942
 943 void inc_cancel_all(void)
 944 {
 945         GList *cur;
 946
 947         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
 948                 inc_cancel((IncProgressDialog *)cur->data);
 949 }
 950
 951 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
 952 {
 953         inc_cancel((IncProgressDialog *)data);
 954 }
 955
 956 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
 957                                  gpointer data)
 958 {
 959         IncProgressDialog *dialog = (IncProgressDialog *)data;
 960
 961         if (dialog->queue_list == NULL)
 962                 inc_progress_dialog_destroy(dialog);
 963
 964         return TRUE;
 965 }
 966
 967 static gint inc_spool(void)
 968 {
 969         gchar *mbox, *logname;
 970         gint msgs;
 971
 972         logname = g_get_user_name();
 973         mbox = g_strconcat(prefs_common.spool_path
 974                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 975                            G_DIR_SEPARATOR_S, logname, NULL);
 976         msgs = get_spool(folder_get_default_inbox(), mbox);
 977         g_free(mbox);
 978
 979         return msgs;
 980 }
 981
 982 static gint inc_spool_account(PrefsAccount *account)
 983 {
 984         FolderItem *inbox;
 985
 986         if (account->inbox) {
 987                 inbox = folder_find_item_from_path(account->inbox);
 988                 if (!inbox)
 989                         inbox = folder_get_default_inbox();
 990         } else
 991                 inbox = folder_get_default_inbox();
 992
 993         return get_spool(inbox, account->local_mbox);
 994 }
 995
 996 static gint inc_all_spool(void)
 997 {
 998         GList *list = NULL;
 999         gint new_msgs = 0;
1000         gint account_new_msgs = 0;
1001
1002         list = account_get_list();
1003         if (!list) return 0;
1004
1005         for (; list != NULL; list = list->next) {
1006                 PrefsAccount *account = list->data;
1007
1008                 if ((account->protocol == A_LOCAL) &&
1009                     (account->recv_at_getall)) {
1010                         account_new_msgs = inc_spool_account(account);
1011                         if (account_new_msgs > 0)
1012                                 new_msgs += account_new_msgs;
1013                 }
1014         }
1015
1016         return new_msgs;
1017 }
1018
1019 static gint get_spool(FolderItem *dest, const gchar *mbox)
1020 {
1021         gint msgs, size;
1022         gint lockfd;
1023         gchar tmp_mbox[MAXPATHLEN + 1];
1024
1025         g_return_val_if_fail(dest != NULL, -1);
1026         g_return_val_if_fail(mbox != NULL, -1);
1027
1028         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1029                 debug_print("no messages in local mailbox.\n");
1030                 return 0;
1031         } else if (size < 0)
1032                 return -1;
1033
1034         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1035                 return -1;
1036
1037         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1038                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1039
1040         if (copy_mbox(mbox, tmp_mbox) < 0) {
1041                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1042                 return -1;
1043         }
1044
1045         debug_print("Getting new messages from %s into %s...\n",
1046                     mbox, dest->path);
1047
1048         msgs = proc_mbox(dest, tmp_mbox);
1049
1050         unlink(tmp_mbox);
1051         if (msgs >= 0) empty_mbox(mbox);
1052         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1053
1054         return msgs;
1055 }
1056
1057 void inc_lock(void)
1058 {
1059         inc_lock_count++;
1060 }
1061
1062 void inc_unlock(void)
1063 {
1064         if (inc_lock_count > 0)
1065                 inc_lock_count--;
1066 }
1067
1068 static guint autocheck_timer = 0;
1069 static gpointer autocheck_data = NULL;
1070
1071 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1072 {
1073
1074         gchar *buf;
1075
1076         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1077             *prefs_common.newmail_notify_cmd))
1078                      return;
1079         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1080                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1081                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1082                                       new_msgs);
1083         else
1084                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1085
1086         execute_command_line(buf, TRUE);
1087
1088         g_free(buf);
1089 }
1090
1091 void inc_autocheck_timer_init(MainWindow *mainwin)
1092 {
1093         autocheck_data = mainwin;
1094         inc_autocheck_timer_set();
1095 }
1096
1097 static void inc_autocheck_timer_set_interval(guint interval)
1098 {
1099         inc_autocheck_timer_remove();
1100         /* last test is to avoid re-enabling auto_check after modifying
1101            the common preferences */
1102         if (prefs_common.autochk_newmail && autocheck_data
1103             && prefs_common.work_offline == FALSE) {
1104                 autocheck_timer = gtk_timeout_add
1105                         (interval, inc_autocheck_func, autocheck_data);
1106                 debug_print("added timer = %d\n", autocheck_timer);
1107         }
1108 }
1109
1110 void inc_autocheck_timer_set(void)
1111 {
1112         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1113 }
1114
1115 void inc_autocheck_timer_remove(void)
1116 {
1117         if (autocheck_timer) {
1118                 debug_print("removed timer = %d\n", autocheck_timer);
1119                 gtk_timeout_remove(autocheck_timer);
1120                 autocheck_timer = 0;
1121         }
1122 }
1123
1124 static gint inc_autocheck_func(gpointer data)
1125 {
1126         MainWindow *mainwin = (MainWindow *)data;
1127
1128         if (inc_lock_count) {
1129                 debug_print("autocheck is locked.\n");
1130                 inc_autocheck_timer_set_interval(1000);
1131                 return FALSE;
1132         }
1133
1134         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1135
1136         return FALSE;
1137 }