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
  88                                         (gboolean                autocheck);
  89 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  90 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  91
  92 static IncSession *inc_session_new      (PrefsAccount           *account);
  93 static void inc_session_destroy         (IncSession             *session);
  94 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  95 static IncState inc_pop3_session_do     (IncSession             *session);
  96
  97 static void inc_progress_dialog_set_label
  98                                         (IncProgressDialog      *inc_dialog,
  99                                          IncSession             *inc_session);
 100
 101 static gint inc_recv_data_progressive   (Session        *session,
 102                                          guint           cur_len,
 103                                          guint           total_len,
 104                                          gpointer        data);
 105 static gint inc_recv_data_finished      (Session        *session,
 106                                          guint           len,
 107                                          gpointer        data);
 108 static gint inc_recv_message            (Session        *session,
 109                                          const gchar    *msg,
 110                                          gpointer        data);
 111
 112 static void inc_put_error               (IncState        istate,
 113                                          const gchar    *msg);
 114
 115 static void inc_cancel_cb               (GtkWidget      *widget,
 116                                          gpointer        data);
 117 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 118                                          GdkEventAny    *event,
 119                                          gpointer        data);
 120
 121 static gint inc_spool                   (void);
 122 static gint get_spool                   (FolderItem     *dest,
 123                                          const gchar    *mbox);
 124
 125 static gint inc_spool_account(PrefsAccount *account);
 126 static gint inc_all_spool(void);
 127 static void inc_autocheck_timer_set_interval    (guint           interval);
 128 static gint inc_autocheck_func                  (gpointer        data);
 129
 130 static void inc_notify_cmd              (gint new_msgs,
 131                                          gboolean notify);
 132
 133 /**
 134  * inc_finished:
 135  * @mainwin: Main window.
 136  * @new_messages: TRUE if some messages have been received.
 137  *
 138  * Update the folder view and the summary view after receiving
 139  * messages.  If @new_messages is FALSE, this function avoids unneeded
 140  * updating.
 141  **/
 142 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 143 {
 144         FolderItem *item;
 145
 146         if (prefs_common.scan_all_after_inc)
 147                 folderview_check_new(NULL);
 148
 149         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 150
 151         if (prefs_common.open_inbox_on_inc) {
 152                 item = cur_account && cur_account->inbox
 153                         ? folder_find_item_from_identifier(cur_account->inbox)
 154                         : folder_get_default_inbox();
 155                 folderview_unselect(mainwin->folderview);
 156                 folderview_select(mainwin->folderview, item);
 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         /* FIXME: assumes to attach to first main window */
 212         inc_account_mail(acc, mainwindow_get_mainwindow());
 213 }
 214
 215 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 216 {
 217         IncProgressDialog *inc_dialog;
 218         IncSession *session;
 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(FALSE);
 240                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 241                                                        session);
 242                 inc_dialog->mainwin = mainwin;
 243                 inc_progress_dialog_set_list(inc_dialog);
 244
 245                 if (mainwin) {
 246                         toolbar_main_set_sensitive(mainwin);
 247                         main_window_set_menu_sensitive(mainwin);
 248                 }
 249
 250                 return inc_start(inc_dialog);
 251
 252         case A_LOCAL:
 253                 return inc_spool_account(account);
 254
 255         default:
 256                 break;
 257         }
 258         return 0;
 259 }
 260
 261 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 262                           gboolean notify)
 263 {
 264         GList *list, *queue_list = NULL;
 265         IncProgressDialog *inc_dialog;
 266         gint new_msgs = 0;
 267         gint account_new_msgs = 0;
 268
 269         if (prefs_common.work_offline)
 270                 if (alertpanel(_("Offline warning"),
 271                                _("You're working offline. Override?"),
 272                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 273                 return;
 274
 275         if (inc_lock_count) return;
 276
 277         inc_autocheck_timer_remove();
 278         main_window_lock(mainwin);
 279
 280         if (prefs_common.inc_local) {
 281                 account_new_msgs = inc_spool();
 282                 if (account_new_msgs > 0)
 283                         new_msgs += account_new_msgs;
 284         }
 285
 286         list = account_get_list();
 287         if (!list) {
 288                 inc_finished(mainwin, new_msgs > 0);
 289                 main_window_unlock(mainwin);
 290                 inc_notify_cmd(new_msgs, notify);
 291                 inc_autocheck_timer_set();
 292                 return;
 293         }
 294
 295         /* check local folders */
 296         account_new_msgs = inc_all_spool();
 297         if (account_new_msgs > 0)
 298                 new_msgs += account_new_msgs;
 299
 300         /* check IMAP4 folders */
 301         for (; list != NULL; list = list->next) {
 302                 PrefsAccount *account = list->data;
 303                 if ((account->protocol == A_IMAP4 ||
 304                      account->protocol == A_NNTP) && account->recv_at_getall) {
 305                         new_msgs += folderview_check_new(FOLDER(account->folder));
 306                 }
 307         }
 308
 309         /* check POP3 accounts */
 310         for (list = account_get_list(); list != NULL; list = list->next) {
 311                 IncSession *session;
 312                 PrefsAccount *account = list->data;
 313
 314                 if (account->recv_at_getall) {
 315                         session = inc_session_new(account);
 316                         if (session)
 317                                 queue_list = g_list_append(queue_list, session);
 318                 }
 319         }
 320
 321         if (!queue_list) {
 322                 inc_finished(mainwin, new_msgs > 0);
 323                 main_window_unlock(mainwin);
 324                 inc_notify_cmd(new_msgs, notify);
 325                 inc_autocheck_timer_set();
 326                 return;
 327         }
 328
 329         inc_dialog = inc_progress_dialog_create(autocheck);
 330         inc_dialog->queue_list = queue_list;
 331         inc_dialog->mainwin = mainwin;
 332         inc_progress_dialog_set_list(inc_dialog);
 333
 334         toolbar_main_set_sensitive(mainwin);
 335         main_window_set_menu_sensitive(mainwin);
 336
 337         new_msgs += inc_start(inc_dialog);
 338         inc_finished(mainwin, new_msgs > 0);
 339         main_window_unlock(mainwin);
 340         inc_notify_cmd(new_msgs, notify);
 341         inc_autocheck_timer_set();
 342 }
 343
 344 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 345 {
 346         IncProgressDialog *dialog;
 347         ProgressDialog *progress;
 348
 349         dialog = g_new0(IncProgressDialog, 1);
 350
 351         progress = progress_dialog_create();
 352         gtk_window_set_title(GTK_WINDOW(progress->window),
 353                              _("Retrieving new messages"));
 354         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 355                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 356         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 357                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 358         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 359
 360         progress_dialog_set_value(progress, 0.0);
 361
 362         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 363                          &okxpm, &okxpmmask);
 364         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 365                          &currentxpm, &currentxpmmask);
 366         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 367                          &errorxpm, &errorxpmmask);
 368
 369         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 370             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 371              !autocheck)) {
 372                 dialog->show_dialog = TRUE;
 373                 gtk_widget_show_now(progress->window);
 374         }
 375
 376         dialog->dialog = progress;
 377         dialog->queue_list = NULL;
 378         dialog->cur_row = 0;
 379
 380         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 381
 382         return dialog;
 383 }
 384
 385 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 386 {
 387         GList *list;
 388
 389         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 390                 IncSession *session = list->data;
 391                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 392                 gchar *text[3];
 393
 394                 session->data = inc_dialog;
 395
 396                 text[0] = NULL;
 397                 text[1] = pop3_session->ac_prefs->account_name;
 398                 text[2] = _("Standby");
 399                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 400         }
 401 }
 402
 403 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 404 {
 405         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 406         progress_dialog_set_label(inc_dialog->dialog, "");
 407         if (inc_dialog->mainwin)
 408                 gtk_progress_set_show_text
 409                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), FALSE);
 410         gtk_progress_bar_update
 411                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 412 }
 413
 414 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 415 {
 416         g_return_if_fail(inc_dialog != NULL);
 417
 418         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 419
 420         if (inc_dialog->mainwin)
 421                 gtk_progress_set_show_text
 422                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), FALSE);
 423         gtk_progress_bar_update
 424                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 425
 426         progress_dialog_destroy(inc_dialog->dialog);
 427
 428         g_free(inc_dialog);
 429 }
 430
 431 static IncSession *inc_session_new(PrefsAccount *account)
 432 {
 433         IncSession *session;
 434
 435         g_return_val_if_fail(account != NULL, NULL);
 436
 437         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 438                 return NULL;
 439         if (!account->recv_server || !account->userid)
 440                 return NULL;
 441
 442         session = g_new0(IncSession, 1);
 443         session->session = pop3_session_new(account);
 444         session->session->data = session;
 445
 446         return session;
 447 }
 448
 449 static void inc_session_destroy(IncSession *session)
 450 {
 451         g_return_if_fail(session != NULL);
 452
 453         session_destroy(session->session);
 454         g_free(session);
 455 }
 456
 457 static gint inc_start(IncProgressDialog *inc_dialog)
 458 {
 459         IncSession *session;
 460         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 461         GList *qlist;
 462         Pop3Session *pop3_session;
 463         IncState inc_state;
 464         gint error_num = 0;
 465         gint new_msgs = 0;
 466         gchar *msg;
 467         gchar *fin_msg;
 468         FolderItem *processing, *inbox;
 469         MsgInfo *msginfo;
 470         GSList *msglist, *msglist_element;
 471
 472         qlist = inc_dialog->queue_list;
 473         while (qlist != NULL) {
 474                 GList *next = qlist->next;
 475
 476                 session = qlist->data;
 477                 pop3_session = POP3_SESSION(session->session);
 478                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 479                 if (pop3_session->ac_prefs->passwd)
 480                         pop3_session->pass =
 481                                 g_strdup(pop3_session->ac_prefs->passwd);
 482                 else if (pop3_session->ac_prefs->tmp_pass)
 483                         pop3_session->pass =
 484                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 485                 else {
 486                         gchar *pass;
 487
 488                         if (inc_dialog->show_dialog)
 489                                 manage_window_focus_in
 490                                         (inc_dialog->dialog->window,
 491                                          NULL, NULL);
 492
 493                         pass = input_dialog_query_password
 494                                 (pop3_session->ac_prefs->recv_server,
 495                                  pop3_session->user);
 496
 497                         if (inc_dialog->show_dialog)
 498                                 manage_window_focus_out
 499                                         (inc_dialog->dialog->window,
 500                                          NULL, NULL);
 501
 502                         if (pass) {
 503                                 pop3_session->ac_prefs->tmp_pass =
 504                                         g_strdup(pass);
 505                                 pop3_session->pass = pass;
 506                         }
 507                 }
 508
 509                 qlist = next;
 510         }
 511
 512 #define SET_PIXMAP_AND_TEXT(xpm, xpmmask, str)                             \
 513 {                                                                          \
 514         gtk_clist_set_pixmap(clist, inc_dialog->cur_row, 0, xpm, xpmmask); \
 515         gtk_clist_set_text(clist, inc_dialog->cur_row, 2, str);            \
 516 }
 517
 518         for (; inc_dialog->queue_list != NULL; inc_dialog->cur_row++) {
 519                 session = inc_dialog->queue_list->data;
 520                 pop3_session = POP3_SESSION(session->session);
 521
 522                 if (pop3_session->pass == NULL) {
 523                         SET_PIXMAP_AND_TEXT(okxpm, okxpmmask, _("Cancelled"));
 524                         inc_session_destroy(session);
 525                         inc_dialog->queue_list =
 526                                 g_list_remove(inc_dialog->queue_list, session);
 527                         continue;
 528                 }
 529
 530                 inc_progress_dialog_clear(inc_dialog);
 531                 gtk_clist_moveto(clist, inc_dialog->cur_row, -1, 1.0, 0.0);
 532
 533                 SET_PIXMAP_AND_TEXT(currentxpm, currentxpmmask,
 534                                     _("Retrieving"));
 535
 536                 session_set_recv_message_notify(session->session,
 537                                                 inc_recv_message, session);
 538                 session_set_recv_data_progressive_notify
 539                         (session->session, inc_recv_data_progressive, session);
 540                 session_set_recv_data_notify(session->session,
 541                                              inc_recv_data_finished, session);
 542
 543                 /* begin POP3 session */
 544                 inc_state = inc_pop3_session_do(session);
 545
 546                 switch (inc_state) {
 547                 case INC_SUCCESS:
 548                         if (pop3_session->cur_total_num > 0)
 549                                 msg = g_strdup_printf
 550                                         (_("Done (%d message(s) (%s) received)"),
 551                                          pop3_session->cur_total_num,
 552                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 553                         else
 554                                 msg = g_strdup_printf(_("Done (no new messages)"));
 555                         SET_PIXMAP_AND_TEXT(okxpm, okxpmmask, msg);
 556                         g_free(msg);
 557                         break;
 558                 case INC_CONNECT_ERROR:
 559                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask,
 560                                             _("Connection failed"));
 561                         break;
 562                 case INC_AUTH_FAILED:
 563                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask,
 564                                             _("Auth failed"));
 565                         break;
 566                 case INC_LOCKED:
 567                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask,
 568                                             _("Locked"));
 569                         break;
 570                 case INC_ERROR:
 571                 case INC_NO_SPACE:
 572                 case INC_IO_ERROR:
 573                 case INC_SOCKET_ERROR:
 574                 case INC_EOF:
 575                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask, _("Error"));
 576                         break;
 577                 case INC_CANCEL:
 578                         SET_PIXMAP_AND_TEXT(okxpm, okxpmmask, _("Cancelled"));
 579                         break;
 580                 default:
 581                         break;
 582                 }
 583
 584                 if (pop3_session->error_val == PS_AUTHFAIL) {
 585                         if(!prefs_common.no_recv_err_panel) {
 586                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 587                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 588                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 589                                 }
 590                                 alertpanel_error
 591                                         (_("Authorization for %s on %s failed"),
 592                                          pop3_session->user,
 593                                          pop3_session->ac_prefs->recv_server);
 594                         }
 595                 }
 596
 597                 /* CLAWS: perform filtering actions on dropped message */
 598                 /* CLAWS: get default inbox (perhaps per account) */
 599                 if (pop3_session->ac_prefs->inbox) {
 600                         /* CLAWS: get destination folder / mailbox */
 601                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 602                         if (!inbox)
 603                                 inbox = folder_get_default_inbox();
 604                 } else
 605                         inbox = folder_get_default_inbox();
 606
 607                 /* get list of messages in processing */
 608                 processing = folder_get_default_processing();
 609                 folder_item_scan(processing);
 610                 msglist = folder_item_get_msg_list(processing);
 611
 612                 folder_item_update_freeze();
 613
 614                 /* process messages */
 615                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 616                         msginfo = (MsgInfo *) msglist_element->data;
 617                         if (!pop3_session->ac_prefs->filter_on_recv || !procmsg_msginfo_filter(msginfo))
 618                                 folder_item_move_msg(inbox, msginfo);
 619                         procmsg_msginfo_free(msginfo);
 620                 }
 621                 g_slist_free(msglist);
 622
 623                 folder_item_update_thaw();
 624
 625                 statusbar_pop_all();
 626
 627                 new_msgs += pop3_session->cur_total_num;
 628
 629                 if (pop3_session->error_val == PS_AUTHFAIL &&
 630                     pop3_session->ac_prefs->tmp_pass) {
 631                         g_free(pop3_session->ac_prefs->tmp_pass);
 632                         pop3_session->ac_prefs->tmp_pass = NULL;
 633                 }
 634
 635                 pop3_write_uidl_list(pop3_session);
 636
 637                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 638                         error_num++;
 639                         if (inc_dialog->show_dialog)
 640                                 manage_window_focus_in
 641                                         (inc_dialog->dialog->window,
 642                                          NULL, NULL);
 643                         inc_put_error(inc_state, pop3_session->error_msg);
 644                         if (inc_dialog->show_dialog)
 645                                 manage_window_focus_out
 646                                         (inc_dialog->dialog->window,
 647                                          NULL, NULL);
 648                         if (inc_state == INC_NO_SPACE ||
 649                             inc_state == INC_IO_ERROR)
 650                                 break;
 651                 }
 652
 653                 inc_session_destroy(session);
 654                 inc_dialog->queue_list =
 655                         g_list_remove(inc_dialog->queue_list, session);
 656         }
 657
 658 #undef SET_PIXMAP_AND_TEXT
 659
 660         if (new_msgs > 0)
 661                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 662                                           new_msgs);
 663         else
 664                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 665
 666         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 667
 668 #if 0
 669         if (error_num && !prefs_common.no_recv_err_panel) {
 670                 if (inc_dialog->show_dialog)
 671                         manage_window_focus_in(inc_dialog->dialog->window,
 672                                                NULL, NULL);
 673                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 674                 if (inc_dialog->show_dialog)
 675                         manage_window_focus_out(inc_dialog->dialog->window,
 676                                                 NULL, NULL);
 677         }
 678 #endif
 679
 680         while (inc_dialog->queue_list != NULL) {
 681                 session = inc_dialog->queue_list->data;
 682                 inc_session_destroy(session);
 683                 inc_dialog->queue_list =
 684                         g_list_remove(inc_dialog->queue_list, session);
 685         }
 686
 687         if (prefs_common.close_recv_dialog)
 688                 inc_progress_dialog_destroy(inc_dialog);
 689         else {
 690                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 691                                      fin_msg);
 692                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 693                                    _("Close"));
 694         }
 695
 696         g_free(fin_msg);
 697
 698         return new_msgs;
 699 }
 700
 701 static IncState inc_pop3_session_do(IncSession *session)
 702 {
 703         Pop3Session *pop3_session = POP3_SESSION(session->session);
 704         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 705         gchar *server;
 706         gushort port;
 707         gchar *buf;
 708
 709         debug_print("getting new messages of account %s...\n",
 710                     pop3_session->ac_prefs->account_name);
 711
 712         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 713
 714         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 715                               pop3_session->ac_prefs->recv_server);
 716         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 717         g_free(buf);
 718
 719         server = pop3_session->ac_prefs->recv_server;
 720 #if USE_OPENSSL
 721         port = pop3_session->ac_prefs->set_popport ?
 722                 pop3_session->ac_prefs->popport :
 723                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 724         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 725         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 726                 SESSION(pop3_session)->nonblocking =
 727                         pop3_session->ac_prefs->use_nonblocking_ssl;
 728 #else
 729         port = pop3_session->ac_prefs->set_popport ?
 730                 pop3_session->ac_prefs->popport : 110;
 731 #endif
 732
 733         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 734         log_message("%s\n", buf);
 735
 736         progress_dialog_set_label(inc_dialog->dialog, buf);
 737         g_free(buf);
 738
 739         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 740                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 741                             server, port);
 742                 if(!prefs_common.no_recv_err_panel) {
 743                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 744                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 745                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 746                         }
 747                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 748                                          server, port);
 749                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 750                 }
 751                 session->inc_state = INC_CONNECT_ERROR;
 752                 statusbar_pop_all();
 753                 return INC_CONNECT_ERROR;
 754         }
 755
 756         while (session_is_connected(SESSION(pop3_session)) &&
 757                session->inc_state != INC_CANCEL)
 758                 gtk_main_iteration();
 759
 760         statusbar_pop_all();
 761
 762         if (session->inc_state == INC_SUCCESS) {
 763                 switch (pop3_session->error_val) {
 764                 case PS_SUCCESS:
 765                         if (SESSION(pop3_session)->state == SESSION_ERROR) {
 766                                 if (pop3_session->state == POP3_READY)
 767                                         session->inc_state = INC_CONNECT_ERROR;
 768                                 else
 769                                         session->inc_state = INC_ERROR;
 770                         } else if (SESSION(pop3_session)->state == SESSION_EOF)
 771                                 session->inc_state = INC_EOF;
 772                         else
 773                                 session->inc_state = INC_SUCCESS;
 774                         break;
 775                 case PS_AUTHFAIL:
 776                         session->inc_state = INC_AUTH_FAILED;
 777                         break;
 778                 case PS_IOERR:
 779                         session->inc_state = INC_IO_ERROR;
 780                         break;
 781                 case PS_SOCKET:
 782                         session->inc_state = INC_SOCKET_ERROR;
 783                         break;
 784                 case PS_LOCKBUSY:
 785                         session->inc_state = INC_LOCKED;
 786                         break;
 787                 default:
 788                         session->inc_state = INC_ERROR;
 789                         break;
 790                 }
 791         }
 792
 793         return session->inc_state;
 794 }
 795
 796 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 797                                           IncSession *inc_session)
 798 {
 799         gchar buf[MSGBUFSIZE];
 800         ProgressDialog *dialog = inc_dialog->dialog;
 801         Pop3Session *session;
 802
 803         g_return_if_fail(inc_session != NULL);
 804
 805         session = POP3_SESSION(inc_session->session);
 806
 807         switch (session->state) {
 808         case POP3_GREETING:
 809                 break;
 810         case POP3_GETAUTH_USER:
 811         case POP3_GETAUTH_PASS:
 812         case POP3_GETAUTH_APOP:
 813                 progress_dialog_set_label(dialog, _("Authenticating..."));
 814                 statusbar_print_all(_("Retrieving messages from %s..."),
 815                                     SESSION(session)->server);
 816                 break;
 817         case POP3_GETRANGE_STAT:
 818                 progress_dialog_set_label
 819                         (dialog, _("Getting the number of new messages (STAT)..."));
 820                 break;
 821         case POP3_GETRANGE_LAST:
 822                 progress_dialog_set_label
 823                         (dialog, _("Getting the number of new messages (LAST)..."));
 824                 break;
 825         case POP3_GETRANGE_UIDL:
 826                 progress_dialog_set_label
 827                         (dialog, _("Getting the number of new messages (UIDL)..."));
 828                 break;
 829         case POP3_GETSIZE_LIST:
 830                 progress_dialog_set_label
 831                         (dialog, _("Getting the size of messages (LIST)..."));
 832                 break;
 833         case POP3_RETR:
 834                 gtk_progress_set_show_text
 835                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), TRUE);
 836                 g_snprintf(buf, sizeof(buf), "%d / %d",
 837                            session->cur_msg, session->count);
 838                 gtk_progress_set_format_string
 839                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), buf);
 840                 inc_recv_data_progressive
 841                         (SESSION(session), 0,
 842                          session->msg[session->cur_msg].size,
 843                          inc_session);
 844                 break;
 845         case POP3_DELETE:
 846                 if (session->msg[session->cur_msg].recv_time <
 847                         session->current_time) {
 848                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 849                                    session->cur_msg);
 850                         progress_dialog_set_label(dialog, buf);
 851                 }
 852                 break;
 853         case POP3_LOGOUT:
 854                 progress_dialog_set_label(dialog, _("Quitting"));
 855                 break;
 856         default:
 857                 break;
 858         }
 859 }
 860
 861 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 862                                       guint total_len, gpointer data)
 863 {
 864         gchar buf[MSGBUFSIZE];
 865         IncSession *inc_session = (IncSession *)data;
 866         Pop3Session *pop3_session = POP3_SESSION(session);
 867         IncProgressDialog *inc_dialog;
 868         ProgressDialog *dialog;
 869         gint cur_total;
 870         gchar *total_size;
 871
 872         g_return_val_if_fail(inc_session != NULL, -1);
 873
 874         if (pop3_session->state != POP3_RETR &&
 875             pop3_session->state != POP3_RETR_RECV &&
 876             pop3_session->state != POP3_DELETE &&
 877             pop3_session->state != POP3_LOGOUT) return 0;
 878
 879         if (!pop3_session->new_msg_exist) return 0;
 880
 881         inc_dialog = (IncProgressDialog *)inc_session->data;
 882         dialog = inc_dialog->dialog;
 883
 884         cur_total = pop3_session->cur_total_bytes + cur_len;
 885         if (cur_total > pop3_session->total_bytes)
 886                 cur_total = pop3_session->total_bytes;
 887
 888         Xstrdup_a(total_size, to_human_readable(pop3_session->total_bytes),
 889                   return FALSE);
 890         g_snprintf(buf, sizeof(buf),
 891                    _("Retrieving message (%d / %d) (%s / %s)"),
 892                    pop3_session->cur_msg, pop3_session->count,
 893                    to_human_readable(cur_total), total_size);
 894         progress_dialog_set_label(dialog, buf);
 895         progress_dialog_set_percentage
 896                 (dialog, (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 897         if (inc_dialog->mainwin)
 898                 gtk_progress_bar_update
 899                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 900                          (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 901
 902         return 0;
 903 }
 904
 905 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
 906 {
 907         IncSession *inc_session = (IncSession *)data;
 908         Pop3Session *pop3_session = POP3_SESSION(session);
 909         IncProgressDialog *inc_dialog;
 910         gchar *msg;
 911
 912         g_return_val_if_fail(inc_session != NULL, -1);
 913
 914         inc_dialog = (IncProgressDialog *)inc_session->data;
 915         inc_recv_data_progressive(session, 0, len, inc_session);
 916         inc_progress_dialog_set_label(inc_dialog, inc_session);
 917
 918         if (pop3_session->cur_total_num == 0) return 0;
 919
 920         msg = g_strdup_printf(_("Retrieving (%d message(s) (%s) received)"),
 921                               pop3_session->cur_total_num,
 922                               to_human_readable
 923                                 (pop3_session->cur_total_recv_bytes));
 924         gtk_clist_set_text(GTK_CLIST(inc_dialog->dialog->clist),
 925                            inc_dialog->cur_row, 2, msg);
 926         g_free(msg);
 927
 928         return 0;
 929 }
 930
 931 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
 932 {
 933         IncSession *inc_session = (IncSession *)data;
 934         IncProgressDialog *inc_dialog;
 935
 936         g_return_val_if_fail(inc_session != NULL, -1);
 937
 938         inc_dialog = (IncProgressDialog *)inc_session->data;
 939         inc_progress_dialog_set_label(inc_dialog, inc_session);
 940
 941         return 0;
 942 }
 943
 944 gint inc_drop_message(const gchar *file, Pop3Session *session)
 945 {
 946         FolderItem *inbox;
 947         FolderItem *dropfolder;
 948         gint msgnum;
 949
 950         if (session->ac_prefs->inbox) {
 951                 inbox = folder_find_item_from_identifier
 952                         (session->ac_prefs->inbox);
 953                 if (!inbox)
 954                         inbox = folder_get_default_inbox();
 955         } else
 956                 inbox = folder_get_default_inbox();
 957         if (!inbox) {
 958                 unlink(file);
 959                 return -1;
 960         }
 961
 962         /* CLAWS: claws uses a global .processing folder for the filtering. */
 963         dropfolder = folder_get_default_processing();
 964
 965         /* add msg file to drop folder */
 966         if ((msgnum = folder_item_add_msg(dropfolder, file, NULL, TRUE)) < 0) {
 967                 unlink(file);
 968                 return -1;
 969         }
 970
 971         return 0;
 972 }
 973
 974 static void inc_put_error(IncState istate, const gchar *msg)
 975 {
 976         gchar *log_msg = NULL;
 977         gchar *err_msg = NULL;
 978         gboolean fatal_error = FALSE;
 979
 980         switch (istate) {
 981         case INC_CONNECT_ERROR:
 982                 log_msg = _("Connection failed.");
 983                 if (prefs_common.no_recv_err_panel)
 984                         break;
 985                 err_msg = g_strdup(log_msg);
 986                 break;
 987         case INC_ERROR:
 988                 log_msg = _("Error occurred while processing mail.");
 989                 if (prefs_common.no_recv_err_panel)
 990                         break;
 991                 if (msg)
 992                         err_msg = g_strdup_printf
 993                                 (_("Error occurred while processing mail:\n%s"),
 994                                  msg);
 995                 else
 996                         err_msg = g_strdup(log_msg);
 997                 break;
 998         case INC_NO_SPACE:
 999                 log_msg = _("No disk space left.");
1000                 err_msg = g_strdup(log_msg);
1001                 fatal_error = TRUE;
1002                 break;
1003         case INC_IO_ERROR:
1004                 log_msg = _("Can't write file.");
1005                 err_msg = g_strdup(log_msg);
1006                 fatal_error = TRUE;
1007                 break;
1008         case INC_SOCKET_ERROR:
1009                 log_msg = _("Socket error.");
1010                 if (prefs_common.no_recv_err_panel)
1011                         break;
1012                 err_msg = g_strdup(log_msg);
1013                 break;
1014         case INC_EOF:
1015                 log_msg = _("Connection closed by the remote host.");
1016                 if (prefs_common.no_recv_err_panel)
1017                         break;
1018                 err_msg = g_strdup(log_msg);
1019                 break;
1020         case INC_LOCKED:
1021                 log_msg = _("Mailbox is locked.");
1022                 if (prefs_common.no_recv_err_panel)
1023                         break;
1024                 if (msg)
1025                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1026                                                   msg);
1027                 else
1028                         err_msg = g_strdup(log_msg);
1029                 break;
1030         case INC_AUTH_FAILED:
1031                 log_msg = _("Authentication failed.");
1032                 if (prefs_common.no_recv_err_panel)
1033                         break;
1034                 if (msg)
1035                         err_msg = g_strdup_printf
1036                                 (_("Authentication failed:\n%s"), msg);
1037                 else
1038                         err_msg = g_strdup(log_msg);
1039                 break;
1040         default:
1041                 break;
1042         }
1043
1044         if (log_msg) {
1045                 if (fatal_error)
1046                         log_error("%s\n", log_msg);
1047                 else
1048                         log_warning("%s\n", log_msg);
1049         }
1050         if (err_msg) {
1051                 alertpanel_error_log(err_msg);
1052                 g_free(err_msg);
1053         }
1054 }
1055
1056 static void inc_cancel(IncProgressDialog *dialog)
1057 {
1058         IncSession *session;
1059
1060         g_return_if_fail(dialog != NULL);
1061
1062         if (dialog->queue_list == NULL) {
1063                 inc_progress_dialog_destroy(dialog);
1064                 return;
1065         }
1066
1067         session = dialog->queue_list->data;
1068
1069         session->inc_state = INC_CANCEL;
1070
1071         log_message(_("Incorporation cancelled\n"));
1072 }
1073
1074 gboolean inc_is_active(void)
1075 {
1076         return (inc_dialog_list != NULL);
1077 }
1078
1079 void inc_cancel_all(void)
1080 {
1081         GList *cur;
1082
1083         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1084                 inc_cancel((IncProgressDialog *)cur->data);
1085 }
1086
1087 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1088 {
1089         inc_cancel((IncProgressDialog *)data);
1090 }
1091
1092 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1093                                  gpointer data)
1094 {
1095         IncProgressDialog *dialog = (IncProgressDialog *)data;
1096
1097         if (dialog->queue_list == NULL)
1098                 inc_progress_dialog_destroy(dialog);
1099
1100         return TRUE;
1101 }
1102
1103 static gint inc_spool(void)
1104 {
1105         gchar *mbox, *logname;
1106         gint msgs;
1107
1108         logname = g_get_user_name();
1109         mbox = g_strconcat(prefs_common.spool_path
1110                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1111                            G_DIR_SEPARATOR_S, logname, NULL);
1112         msgs = get_spool(folder_get_default_inbox(), mbox);
1113         g_free(mbox);
1114
1115         return msgs;
1116 }
1117
1118 static gint inc_spool_account(PrefsAccount *account)
1119 {
1120         FolderItem *inbox;
1121
1122         if (account->inbox) {
1123                 inbox = folder_find_item_from_path(account->inbox);
1124                 if (!inbox)
1125                         inbox = folder_get_default_inbox();
1126         } else
1127                 inbox = folder_get_default_inbox();
1128
1129         return get_spool(inbox, account->local_mbox);
1130 }
1131
1132 static gint inc_all_spool(void)
1133 {
1134         GList *list = NULL;
1135         gint new_msgs = 0;
1136         gint account_new_msgs = 0;
1137
1138         list = account_get_list();
1139         if (!list) return 0;
1140
1141         for (; list != NULL; list = list->next) {
1142                 PrefsAccount *account = list->data;
1143
1144                 if ((account->protocol == A_LOCAL) &&
1145                     (account->recv_at_getall)) {
1146                         account_new_msgs = inc_spool_account(account);
1147                         if (account_new_msgs > 0)
1148                                 new_msgs += account_new_msgs;
1149                 }
1150         }
1151
1152         return new_msgs;
1153 }
1154
1155 static gint get_spool(FolderItem *dest, const gchar *mbox)
1156 {
1157         gint msgs, size;
1158         gint lockfd;
1159         gchar tmp_mbox[MAXPATHLEN + 1];
1160
1161         g_return_val_if_fail(dest != NULL, -1);
1162         g_return_val_if_fail(mbox != NULL, -1);
1163
1164         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1165                 debug_print("no messages in local mailbox.\n");
1166                 return 0;
1167         } else if (size < 0)
1168                 return -1;
1169
1170         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1171                 return -1;
1172
1173         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1174                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1175
1176         if (copy_mbox(mbox, tmp_mbox) < 0) {
1177                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1178                 return -1;
1179         }
1180
1181         debug_print("Getting new messages from %s into %s...\n",
1182                     mbox, dest->path);
1183
1184         msgs = proc_mbox(dest, tmp_mbox);
1185
1186         unlink(tmp_mbox);
1187         if (msgs >= 0) empty_mbox(mbox);
1188         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1189
1190         return msgs;
1191 }
1192
1193 void inc_lock(void)
1194 {
1195         inc_lock_count++;
1196 }
1197
1198 void inc_unlock(void)
1199 {
1200         if (inc_lock_count > 0)
1201                 inc_lock_count--;
1202 }
1203
1204 static guint autocheck_timer = 0;
1205 static gpointer autocheck_data = NULL;
1206
1207 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1208 {
1209
1210         gchar *buf;
1211
1212         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1213             *prefs_common.newmail_notify_cmd))
1214                      return;
1215         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1216                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1217                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1218                                       new_msgs);
1219         else
1220                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1221
1222         execute_command_line(buf, TRUE);
1223
1224         g_free(buf);
1225 }
1226
1227 void inc_autocheck_timer_init(MainWindow *mainwin)
1228 {
1229         autocheck_data = mainwin;
1230         inc_autocheck_timer_set();
1231 }
1232
1233 static void inc_autocheck_timer_set_interval(guint interval)
1234 {
1235         inc_autocheck_timer_remove();
1236         /* last test is to avoid re-enabling auto_check after modifying
1237            the common preferences */
1238         if (prefs_common.autochk_newmail && autocheck_data
1239             && prefs_common.work_offline == FALSE) {
1240                 autocheck_timer = gtk_timeout_add
1241                         (interval, inc_autocheck_func, autocheck_data);
1242                 debug_print("added timer = %d\n", autocheck_timer);
1243         }
1244 }
1245
1246 void inc_autocheck_timer_set(void)
1247 {
1248         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1249 }
1250
1251 void inc_autocheck_timer_remove(void)
1252 {
1253         if (autocheck_timer) {
1254                 debug_print("removed timer = %d\n", autocheck_timer);
1255                 gtk_timeout_remove(autocheck_timer);
1256                 autocheck_timer = 0;
1257         }
1258 }
1259
1260 static gint inc_autocheck_func(gpointer data)
1261 {
1262         MainWindow *mainwin = (MainWindow *)data;
1263
1264         if (inc_lock_count) {
1265                 debug_print("autocheck is locked.\n");
1266                 inc_autocheck_timer_set_interval(1000);
1267                 return FALSE;
1268         }
1269
1270         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1271
1272         return FALSE;
1273 }