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 "filter.h"
  65 #include "automaton.h"
  66 #include "folder.h"
  67 #include "filtering.h"
  68 #include "selective_download.h"
  69
  70 static GList *inc_dialog_list = NULL;
  71
  72 static guint inc_lock_count = 0;
  73
  74 static GdkPixmap *currentxpm;
  75 static GdkBitmap *currentxpmmask;
  76 static GdkPixmap *errorxpm;
  77 static GdkBitmap *errorxpmmask;
  78 static GdkPixmap *okxpm;
  79 static GdkBitmap *okxpmmask;
  80
  81 #define MSGBUFSIZE      8192
  82
  83 static void inc_finished                (MainWindow             *mainwin,
  84                                          gboolean                new_messages);
  85 static gint inc_account_mail            (PrefsAccount           *account,
  86                                          MainWindow             *mainwin);
  87
  88 static IncProgressDialog *inc_progress_dialog_create    (void);
  89 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  90
  91 static IncSession *inc_session_new      (PrefsAccount           *account);
  92 static void inc_session_destroy         (IncSession             *session);
  93 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  94 static IncState inc_pop3_session_do     (IncSession             *session);
  95 static gint pop3_automaton_terminate    (SockInfo               *source,
  96                                          Automaton              *atm);
  97
  98 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
  99                                          gint            count,
 100                                          gint            read_bytes,
 101                                          gpointer        data);
 102
 103 static void inc_put_error               (IncState        istate);
 104
 105 static void inc_cancel_cb               (GtkWidget      *widget,
 106                                          gpointer        data);
 107 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 108                                          GdkEventAny    *event,
 109                                          gpointer        data);
 110
 111 static gint inc_spool                   (void);
 112 static gint get_spool                   (FolderItem     *dest,
 113                                          const gchar    *mbox);
 114
 115 static void inc_spool_account(PrefsAccount *account);
 116 static void inc_all_spool(void);
 117 static void inc_autocheck_timer_set_interval    (guint           interval);
 118 static gint inc_autocheck_func                  (gpointer        data);
 119
 120 static void inc_notify_cmd              (gint new_msgs,
 121                                          gboolean notify);
 122
 123 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 124         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 125         : FALSE
 126
 127 /**
 128  * inc_finished:
 129  * @mainwin: Main window.
 130  * @new_messages: TRUE if some messages have been received.
 131  *
 132  * Update the folder view and the summary view after receiving
 133  * messages.  If @new_messages is FALSE, this function avoids unneeded
 134  * updating.
 135  **/
 136 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 137 {
 138         FolderItem *item;
 139
 140         if (prefs_common.scan_all_after_inc)
 141                 folderview_check_new(NULL);
 142
 143         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 144
 145         if (prefs_common.open_inbox_on_inc) {
 146                 item = cur_account && cur_account->inbox
 147                         ? folder_find_item_from_identifier(cur_account->inbox)
 148                         : folder_get_default_inbox();
 149                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 150                         folderview_unselect(mainwin->folderview);
 151                         folderview_select(mainwin->folderview, item);
 152                 }
 153         } else if (prefs_common.scan_all_after_inc) {
 154                 item = mainwin->summaryview->folder_item;
 155                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 156                         folderview_update_item(item, TRUE);
 157                 }
 158         }
 159 }
 160
 161 void inc_mail(MainWindow *mainwin, gboolean notify)
 162 {
 163         gint 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_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                         new_msgs = inc_spool();
 186
 187                 if (new_msgs <= 0)
 188                         new_msgs = 1;
 189         } else {
 190                 if (prefs_common.inc_local)
 191                         new_msgs = inc_spool();
 192
 193                 new_msgs += inc_account_mail(cur_account, mainwin);
 194         }
 195
 196         inc_finished(mainwin, new_msgs > 0);
 197         main_window_unlock(mainwin);
 198         inc_notify_cmd(new_msgs, notify);
 199         inc_autocheck_timer_set();
 200 }
 201
 202 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 203 {
 204         GSList *cur;
 205         gint new_msgs = 0;
 206
 207         acc->session = session;
 208         inc_account_mail(acc, mainwin);
 209         acc->session = STYPE_NORMAL;
 210
 211         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 212                 HeaderItems *items =(HeaderItems*)cur->data;
 213
 214                 if (items->state == SD_DOWNLOADED &&
 215                     items->del_by_old_session == FALSE) {
 216                         new_msgs++;
 217                 }
 218         }
 219
 220         if (new_msgs) {
 221                 inc_finished(mainwin, TRUE);
 222                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 223         }
 224 }
 225
 226 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 227 {
 228         IncProgressDialog *inc_dialog;
 229         IncSession *session;
 230         gchar *text[3];
 231
 232         switch (account->protocol) {
 233         case A_IMAP4:
 234         case A_NNTP:
 235                 folderview_check_new(FOLDER(account->folder));
 236                 return 1;
 237
 238         case A_POP3:
 239         case A_APOP:
 240                 session = inc_session_new(account);
 241                 if (!session) return 0;
 242
 243                 inc_dialog = inc_progress_dialog_create();
 244                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 245                                                        session);
 246                 inc_dialog->mainwin = mainwin;
 247                 session->data = inc_dialog;
 248
 249                 text[0] = NULL;
 250                 text[1] = account->account_name;
 251                 text[2] = _("Standby");
 252                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 253
 254                 toolbar_set_sensitive(mainwin);
 255                 main_window_set_menu_sensitive(mainwin);
 256
 257                 return inc_start(inc_dialog);
 258
 259         case A_LOCAL:
 260                 inc_spool_account(account);
 261                 return 1;
 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
 272         if (prefs_common.work_offline)
 273                 if (alertpanel(_("Offline warning"),
 274                                _("You're working offline. Override?"),
 275                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 276                 return;
 277
 278         if (inc_lock_count) return;
 279
 280         inc_autocheck_timer_remove();
 281         main_window_lock(mainwin);
 282
 283         if (prefs_common.inc_local) {
 284                 new_msgs = inc_spool();
 285                 if (new_msgs < 0)
 286                         new_msgs = 0;
 287         }
 288
 289         list = account_get_list();
 290         if (!list) {
 291                 inc_finished(mainwin, new_msgs > 0);
 292                 main_window_unlock(mainwin);
 293                 inc_notify_cmd(new_msgs, notify);
 294                 inc_autocheck_timer_set();
 295                 return;
 296         }
 297
 298         /* check local folders */
 299         inc_all_spool();
 300
 301         /* check IMAP4 folders */
 302         for (; list != NULL; list = list->next) {
 303                 PrefsAccount *account = list->data;
 304                 if ((account->protocol == A_IMAP4 ||
 305                      account->protocol == A_NNTP) && account->recv_at_getall)
 306                         folderview_check_new(FOLDER(account->folder));
 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                 account->session = STYPE_NORMAL;
 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();
 330         inc_dialog->queue_list = queue_list;
 331         inc_dialog->mainwin = mainwin;
 332         for (list = queue_list; list != NULL; list = list->next) {
 333                 IncSession *session = list->data;
 334                 gchar *text[3];
 335
 336                 session->data = inc_dialog;
 337
 338                 text[0] = NULL;
 339                 text[1] = session->pop3_state->ac_prefs->account_name;
 340                 text[2] = _("Standby");
 341                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 342         }
 343
 344         toolbar_set_sensitive(mainwin);
 345         main_window_set_menu_sensitive(mainwin);
 346
 347         new_msgs += inc_start(inc_dialog);
 348
 349         inc_finished(mainwin, new_msgs > 0);
 350         main_window_unlock(mainwin);
 351         inc_notify_cmd(new_msgs, notify);
 352         inc_autocheck_timer_set();
 353 }
 354
 355 static IncProgressDialog *inc_progress_dialog_create(void)
 356 {
 357         IncProgressDialog *dialog;
 358         ProgressDialog *progress;
 359
 360         dialog = g_new0(IncProgressDialog, 1);
 361
 362         progress = progress_dialog_create();
 363         gtk_window_set_title(GTK_WINDOW(progress->window),
 364                              _("Retrieving new messages"));
 365         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 366                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 367         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 368                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 369         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 370
 371         progress_dialog_set_value(progress, 0.0);
 372
 373         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 374                          &okxpm, &okxpmmask);
 375         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 376                          &currentxpm, &currentxpmmask);
 377         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 378                          &errorxpm, &errorxpmmask);
 379
 380         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 381             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 382              manage_window_get_focus_window())) {
 383                 dialog->show_dialog = TRUE;
 384                 gtk_widget_show_now(progress->window);
 385         }
 386
 387         dialog->dialog = progress;
 388         dialog->queue_list = NULL;
 389
 390         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 391
 392         return dialog;
 393 }
 394
 395 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 396 {
 397         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 398         progress_dialog_set_label(inc_dialog->dialog, "");
 399         gtk_progress_bar_update
 400                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 401 }
 402
 403 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 404 {
 405         g_return_if_fail(inc_dialog != NULL);
 406
 407         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 408
 409         gtk_progress_bar_update
 410                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 411         progress_dialog_destroy(inc_dialog->dialog);
 412
 413         g_free(inc_dialog);
 414 }
 415
 416 static IncSession *inc_session_new(PrefsAccount *account)
 417 {
 418         IncSession *session;
 419
 420         g_return_val_if_fail(account != NULL, NULL);
 421
 422         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 423                 return NULL;
 424         if (!account->recv_server || !account->userid)
 425                 return NULL;
 426
 427         session = g_new0(IncSession, 1);
 428         session->pop3_state = pop3_state_new(account);
 429         session->pop3_state->data = session;
 430         session->folder_table = g_hash_table_new(NULL, NULL);
 431
 432         return session;
 433 }
 434
 435 static void inc_session_destroy(IncSession *session)
 436 {
 437         g_return_if_fail(session != NULL);
 438
 439         pop3_state_destroy(session->pop3_state);
 440         g_hash_table_destroy(session->folder_table);
 441         g_free(session);
 442 }
 443
 444 static gint inc_start(IncProgressDialog *inc_dialog)
 445 {
 446         IncSession *session;
 447         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 448         Pop3State *pop3_state;
 449         IncState inc_state;
 450         gint num = 0;
 451         gint error_num = 0;
 452         gint new_msgs = 0;
 453         gchar *msg;
 454         gchar *fin_msg;
 455
 456         while (inc_dialog->queue_list != NULL) {
 457                 session = inc_dialog->queue_list->data;
 458                 pop3_state = session->pop3_state;
 459
 460                 inc_progress_dialog_clear(inc_dialog);
 461
 462                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 463
 464                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 465                 if (pop3_state->ac_prefs->passwd)
 466                         pop3_state->pass =
 467                                 g_strdup(pop3_state->ac_prefs->passwd);
 468                 else if (pop3_state->ac_prefs->tmp_pass)
 469                         pop3_state->pass =
 470                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 471                 else {
 472                         gchar *pass;
 473
 474                         pass = input_dialog_query_password
 475                                 (pop3_state->ac_prefs->recv_server,
 476                                  pop3_state->user);
 477
 478                         if (inc_dialog->show_dialog)
 479                                 manage_window_focus_in
 480                                         (inc_dialog->mainwin->window,
 481                                          NULL, NULL);
 482                         if (pass) {
 483                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 484                                 pop3_state->pass = pass;
 485                         } else {
 486                                 inc_session_destroy(session);
 487                                 inc_dialog->queue_list = g_list_remove
 488                                         (inc_dialog->queue_list, session);
 489                                 continue;
 490                         }
 491                 }
 492
 493                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 494                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 495
 496                 /* begin POP3 session */
 497                 inc_state = inc_pop3_session_do(session);
 498
 499                 switch (inc_state) {
 500                 case INC_SUCCESS:
 501                         if (pop3_state->cur_total_num > 0)
 502                                 msg = g_strdup_printf
 503                                         (_("Done (%d message(s) (%s) received)"),
 504                                          pop3_state->cur_total_num,
 505                                          to_human_readable(pop3_state->cur_total_recv_bytes));
 506                         else
 507                                 msg = g_strdup_printf(_("Done (no new messages)"));
 508                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 509                         gtk_clist_set_text(clist, num, 2, msg);
 510                         g_free(msg);
 511                         break;
 512                 case INC_CONNECT_ERROR:
 513                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 514                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 515                         break;
 516                 case INC_AUTH_FAILED:
 517                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 518                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 519                         break;
 520                 case INC_LOCKED:
 521                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 522                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 523                         break;
 524                 case INC_ERROR:
 525                 case INC_NOSPACE:
 526                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 527                         gtk_clist_set_text(clist, num, 2, _("Error"));
 528                         break;
 529                 case INC_CANCEL:
 530                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 531                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 532                         break;
 533                 default:
 534                         break;
 535                 }
 536
 537                 if (pop3_state->error_val == PS_AUTHFAIL) {
 538                         if(!prefs_common.no_recv_err_panel) {
 539                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 540                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 541                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 542                                 }
 543                                 alertpanel_error
 544                                         (_("Authorization for %s on %s failed"),
 545                                          pop3_state->user,
 546                                          pop3_state->ac_prefs->recv_server);
 547                         }
 548                 }
 549
 550                 statusbar_pop_all();
 551
 552                 /* CLAWS: perform filtering actions on dropped message */
 553                 if (global_processing != NULL) {
 554                         FolderItem *processing, *inbox;
 555                         MsgInfo *msginfo;
 556                         GSList *msglist, *msglist_element;
 557
 558                         /* CLAWS: get default inbox (perhaps per account) */
 559                         if (pop3_state->ac_prefs->inbox) {
 560                                 /* CLAWS: get destination folder / mailbox */
 561                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 562                                 if (!inbox)
 563                                         inbox = folder_get_default_inbox();
 564                         } else
 565                                 inbox = folder_get_default_inbox();
 566
 567                         /* get list of messages in processing */
 568                         processing = folder_get_default_processing();
 569                         folder_item_scan(processing);
 570                         msglist = folder_item_get_msg_list(processing);
 571
 572                         /* process messages */
 573                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 574                                 msginfo = (MsgInfo *) msglist_element->data;
 575                                 /* filter if enabled in prefs or move to inbox if not */
 576                                 if(pop3_state->ac_prefs->filter_on_recv) {
 577                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 578                                                                              session->folder_table,
 579                                                                              inbox);
 580                                 } else {
 581                                         folder_item_move_msg(inbox, msginfo);
 582                                         g_hash_table_insert(session->folder_table, inbox,
 583                                                             GINT_TO_POINTER(1));
 584                                 }
 585                                 procmsg_msginfo_free(msginfo);
 586                         }
 587                         g_slist_free(msglist);
 588                 }
 589
 590
 591                 new_msgs += pop3_state->cur_total_num;
 592
 593                 if (!prefs_common.scan_all_after_inc) {
 594                         folder_item_scan_foreach(session->folder_table);
 595                         folderview_update_item_foreach
 596                                 (session->folder_table, TRUE);
 597                 }
 598
 599                 if (pop3_state->error_val == PS_AUTHFAIL &&
 600                     pop3_state->ac_prefs->tmp_pass) {
 601                         g_free(pop3_state->ac_prefs->tmp_pass);
 602                         pop3_state->ac_prefs->tmp_pass = NULL;
 603                 }
 604
 605                 pop3_write_uidl_list(pop3_state);
 606
 607                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 608                         error_num++;
 609                         if (inc_state == INC_NOSPACE) {
 610                                 inc_put_error(inc_state);
 611                                 break;
 612                         }
 613                 }
 614
 615                 inc_session_destroy(session);
 616                 inc_dialog->queue_list =
 617                         g_list_remove(inc_dialog->queue_list, session);
 618
 619                 num++;
 620         }
 621
 622         if (new_msgs > 0)
 623                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 624                                           new_msgs);
 625         else
 626                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 627
 628         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 629
 630         if (error_num && !prefs_common.no_recv_err_panel) {
 631                 if (inc_dialog->show_dialog)
 632                         manage_window_focus_in(inc_dialog->dialog->window,
 633                                                NULL, NULL);
 634                 alertpanel_error(_("Some errors occurred while getting mail."));
 635                 if (inc_dialog->show_dialog)
 636                         manage_window_focus_out(inc_dialog->dialog->window,
 637                                                 NULL, NULL);
 638         }
 639
 640         while (inc_dialog->queue_list != NULL) {
 641                 session = inc_dialog->queue_list->data;
 642                 inc_session_destroy(session);
 643                 inc_dialog->queue_list =
 644                         g_list_remove(inc_dialog->queue_list, session);
 645         }
 646
 647         if (prefs_common.close_recv_dialog)
 648                 inc_progress_dialog_destroy(inc_dialog);
 649         else {
 650                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 651                                      fin_msg);
 652                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 653                                    _("Close"));
 654         }
 655
 656         g_free(fin_msg);
 657
 658         return new_msgs;
 659 }
 660
 661 static IncState inc_pop3_session_do(IncSession *session)
 662 {
 663         Pop3State *pop3_state = session->pop3_state;
 664         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 665         Automaton *atm;
 666         SockInfo *sockinfo;
 667         gint i;
 668         gchar *server;
 669         gushort port;
 670         gchar *buf;
 671         static AtmHandler handlers[] = {
 672                 pop3_greeting_recv      ,
 673 #if USE_SSL
 674                 pop3_stls_send          , pop3_stls_recv,
 675 #endif
 676                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 677                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 678                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 679                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 680                 pop3_getrange_last_send , pop3_getrange_last_recv,
 681                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 682                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 683                 pop3_top_send           , pop3_top_recv,
 684                 pop3_retr_send          , pop3_retr_recv,
 685                 pop3_delete_send        , pop3_delete_recv,
 686                 pop3_logout_send        , pop3_logout_recv
 687         };
 688
 689         debug_print("getting new messages of account %s...\n",
 690                     pop3_state->ac_prefs->account_name);
 691
 692         atm = automaton_create(N_POP3_PHASE);
 693
 694         session->atm = atm;
 695         atm->data = pop3_state;
 696
 697         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 698                               pop3_state->ac_prefs->recv_server);
 699         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 700         g_free(buf);
 701
 702         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 703                 atm->state[i].handler = handlers[i];
 704         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 705         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 706                 atm->state[i++].condition = GDK_INPUT_WRITE;
 707                 atm->state[i++].condition = GDK_INPUT_READ;
 708         }
 709
 710         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 711         atm->ui_func = (AtmUIFunc)inc_progress_update;
 712
 713         atm->num = POP3_GREETING_RECV;
 714
 715         server = pop3_state->ac_prefs->recv_server;
 716 #if USE_SSL
 717         port = pop3_state->ac_prefs->set_popport ?
 718                 pop3_state->ac_prefs->popport :
 719                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 720 #else
 721         port = pop3_state->ac_prefs->set_popport ?
 722                 pop3_state->ac_prefs->popport : 110;
 723 #endif
 724
 725         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 726         log_message("%s\n", buf);
 727         progress_dialog_set_label(inc_dialog->dialog, buf);
 728         g_free(buf);
 729         GTK_EVENTS_FLUSH();
 730         statusbar_pop_all();
 731
 732         if ((sockinfo = sock_connect(server, port)) == NULL) {
 733                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 734                             server, port);
 735                 if(!prefs_common.no_recv_err_panel) {
 736                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 737                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 738                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 739                         }
 740                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 741                                          server, port);
 742                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 743                 }
 744                 pop3_automaton_terminate(NULL, atm);
 745                 automaton_destroy(atm);
 746                 session->inc_state = INC_CONNECT_ERROR;
 747                 return INC_CONNECT_ERROR;
 748         }
 749
 750 #if USE_SSL
 751         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 752             !ssl_init_socket(sockinfo)) {
 753                 pop3_automaton_terminate(NULL, atm);
 754                 automaton_destroy(atm);
 755                 session->inc_state = INC_CONNECT_ERROR;
 756                 return INC_CONNECT_ERROR;
 757         }
 758 #endif
 759
 760         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 761          * to the sock structure - implement a reference counter?? */
 762         pop3_state->sockinfo = sockinfo;
 763         atm->help_sock = sockinfo;
 764
 765         log_verbosity_set(TRUE);
 766         /* oha: this messes up inc_progress update:
 767            disabling this would avoid the label "Retrieve Header"
 768            being overwritten by "Retrieve Message"
 769            Setting inc_pop3_recv_func is not necessary
 770            since atm already handles the progress dialog ui
 771            just fine.
 772         */
 773         recv_set_ui_func(inc_pop3_recv_func, session);
 774
 775         atm->tag = sock_gdk_input_add(sockinfo,
 776                                       atm->state[atm->num].condition,
 777                                       automaton_input_cb, atm);
 778
 779         while (!atm->terminated)
 780                 gtk_main_iteration();
 781
 782         log_verbosity_set(FALSE);
 783         /* oha: see above */
 784         recv_set_ui_func(NULL, NULL);
 785
 786         automaton_destroy(atm);
 787
 788         if (session->inc_state != INC_SUCCESS)
 789                 return session->inc_state;
 790
 791         switch (pop3_state->error_val) {
 792         case PS_SUCCESS:
 793                 session->inc_state = INC_SUCCESS;
 794                 break;
 795         case PS_AUTHFAIL:
 796                 session->inc_state = INC_AUTH_FAILED;
 797                 break;
 798         case PS_IOERR:
 799                 session->inc_state = INC_NOSPACE;
 800                 break;
 801         case PS_LOCKBUSY:
 802                 session->inc_state = INC_LOCKED;
 803                 break;
 804         default:
 805                 session->inc_state = INC_ERROR;
 806                 break;
 807         }
 808
 809         return session->inc_state;
 810 }
 811
 812 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 813 {
 814         if (atm->terminated) return 0;
 815
 816         if (atm->tag > 0) {
 817                 gdk_input_remove(atm->tag);
 818                 atm->tag = 0;
 819         }
 820         if (atm->timeout_tag > 0) {
 821                 gtk_timeout_remove(atm->timeout_tag);
 822                 atm->timeout_tag = 0;
 823         }
 824         if (source)
 825                 sock_close(source);
 826
 827         atm->terminated = TRUE;
 828
 829         return 0;
 830 }
 831
 832 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 833                                    gpointer data)
 834 {
 835         gchar buf[MSGBUFSIZE];
 836         IncSession *session = (IncSession *)data;
 837         Pop3State *state = session->pop3_state;
 838         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 839         ProgressDialog *dialog = inc_dialog->dialog;
 840         gint cur_total;
 841         gchar *total_size;
 842
 843         cur_total = state->cur_total_bytes + read_bytes;
 844         if (cur_total > state->total_bytes)
 845                 cur_total = state->total_bytes;
 846
 847         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 848                   return FALSE);
 849         g_snprintf(buf, sizeof(buf),
 850                    _("Retrieving message (%d / %d) (%s / %s)"),
 851                    state->cur_msg, state->count,
 852                    to_human_readable(cur_total), total_size);
 853         progress_dialog_set_label(dialog, buf);
 854
 855         progress_dialog_set_percentage
 856                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 857         gtk_progress_bar_update
 858                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 859                  (gfloat)cur_total / (gfloat)state->total_bytes);
 860         GTK_EVENTS_FLUSH();
 861
 862         if (session->inc_state == INC_CANCEL)
 863                 return FALSE;
 864         else
 865                 return TRUE;
 866 }
 867
 868 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 869 {
 870         gchar buf[MSGBUFSIZE];
 871         IncSession *session = (IncSession *)state->data;
 872         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 873         ProgressDialog *dialog = inc_dialog->dialog;
 874         gchar *total_size;
 875
 876         switch (phase) {
 877         case POP3_GREETING_RECV:
 878                 break;
 879         case POP3_GETAUTH_USER_SEND:
 880         case POP3_GETAUTH_PASS_SEND:
 881         case POP3_GETAUTH_APOP_SEND:
 882                 progress_dialog_set_label(dialog, _("Authenticating..."));
 883                 break;
 884         case POP3_GETRANGE_STAT_SEND:
 885                 progress_dialog_set_label
 886                         (dialog, _("Getting the number of new messages (STAT)..."));
 887                 break;
 888         case POP3_GETRANGE_LAST_SEND:
 889                 progress_dialog_set_label
 890                         (dialog, _("Getting the number of new messages (LAST)..."));
 891                 break;
 892         case POP3_GETRANGE_UIDL_SEND:
 893                 progress_dialog_set_label
 894                         (dialog, _("Getting the number of new messages (UIDL)..."));
 895                 break;
 896         case POP3_GETSIZE_LIST_SEND:
 897                 progress_dialog_set_label
 898                         (dialog, _("Getting the size of messages (LIST)..."));
 899                 break;
 900         case POP3_TOP_SEND:
 901                 g_snprintf(buf, sizeof(buf),
 902                            _("Retrieving header (%d / %d)"),
 903                            state->cur_msg, state->count);
 904                 progress_dialog_set_label (dialog, buf);
 905                 progress_dialog_set_percentage
 906                         (dialog,
 907                          (gfloat)(state->cur_msg) /
 908                          (gfloat)(state->count));
 909                 gtk_progress_bar_update
 910                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 911                          (gfloat)(state->cur_msg) /
 912                          (gfloat)(state->count));
 913                 break;
 914         case POP3_RETR_SEND:
 915                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 916                 g_snprintf(buf, sizeof(buf),
 917                            _("Retrieving message (%d / %d) (%s / %s)"),
 918                            state->cur_msg, state->count,
 919                            to_human_readable(state->cur_total_bytes),
 920                            total_size);
 921                 progress_dialog_set_label(dialog, buf);
 922                 progress_dialog_set_percentage
 923                         (dialog,
 924                          (gfloat)(state->cur_total_bytes) /
 925                          (gfloat)(state->total_bytes));
 926                 gtk_progress_bar_update
 927                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 928                          (gfloat)(state->cur_total_bytes) /
 929                          (gfloat)(state->total_bytes));
 930                 break;
 931         case POP3_DELETE_SEND:
 932                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 933                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 934                                    state->cur_msg);
 935                         progress_dialog_set_label(dialog, buf);
 936                 }
 937                 break;
 938         case POP3_LOGOUT_SEND:
 939                 progress_dialog_set_label(dialog, _("Quitting"));
 940                 break;
 941         default:
 942                 break;
 943         }
 944 }
 945
 946 gint inc_drop_message(const gchar *file, Pop3State *state)
 947 {
 948         FolderItem *inbox;
 949         FolderItem *dropfolder;
 950         IncSession *session = (IncSession *)state->data;
 951         gint val;
 952         gint msgnum;
 953
 954         /* CLAWS: get default inbox (perhaps per account) */
 955         if (state->ac_prefs->inbox) {
 956                 /* CLAWS: get destination folder / mailbox */
 957                 inbox = folder_find_item_from_identifier
 958                         (state->ac_prefs->inbox);
 959                 if (!inbox)
 960                         inbox = folder_get_default_inbox();
 961         } else
 962                 inbox = folder_get_default_inbox();
 963         if (!inbox) {
 964                 unlink(file);
 965                 return -1;
 966         }
 967
 968         /* CLAWS: claws uses a global .processing folder for the filtering. */
 969         if (global_processing == NULL) {
 970                 if (state->ac_prefs->filter_on_recv) {
 971                         dropfolder =
 972                                 filter_get_dest_folder(prefs_common.fltlist, file);
 973                         if (!dropfolder) dropfolder = inbox;
 974                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 975                                 g_warning(_("a message won't be received\n"));
 976                                 return 1;
 977                         }
 978                 } else
 979                         dropfolder = inbox;
 980         } else {
 981                 dropfolder = folder_get_default_processing();
 982         }
 983
 984         val = GPOINTER_TO_INT(g_hash_table_lookup
 985                               (session->folder_table, dropfolder));
 986         if (val == 0) {
 987                 folder_item_scan(dropfolder);
 988                 /* force updating */
 989                 if (FOLDER_IS_LOCAL(dropfolder->folder))
 990                         dropfolder->mtime = 0;
 991                 g_hash_table_insert(session->folder_table, dropfolder,
 992                                     GINT_TO_POINTER(1));
 993         }
 994
 995         /* add msg file to drop folder */
 996         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 997                 unlink(file);
 998                 return -1;
 999         }
1000
1001         return 0;
1002 }
1003
1004 static void inc_put_error(IncState istate)
1005 {
1006         switch (istate) {
1007         case INC_ERROR:
1008                 if (!prefs_common.no_recv_err_panel)
1009                         alertpanel_error
1010                                 (_("Error occurred while processing mail."));
1011                 break;
1012         case INC_NOSPACE:
1013                 alertpanel_error(_("No disk space left."));
1014                 break;
1015         case INC_LOCKED:
1016                 if (!prefs_common.no_recv_err_panel)
1017                         alertpanel_error(_("Mailbox is locked."));
1018                 break;
1019         default:
1020                 break;
1021         }
1022 }
1023
1024 static void inc_cancel(IncProgressDialog *dialog)
1025 {
1026         IncSession *session;
1027         SockInfo *sockinfo;
1028
1029         g_return_if_fail(dialog != NULL);
1030
1031         if (dialog->queue_list == NULL) {
1032                 inc_progress_dialog_destroy(dialog);
1033                 return;
1034         }
1035
1036         session = dialog->queue_list->data;
1037         sockinfo = session->pop3_state->sockinfo;
1038
1039         if (!sockinfo || session->atm->terminated == TRUE) return;
1040
1041         session->pop3_state->cancelled = TRUE;
1042         session->inc_state = INC_CANCEL;
1043         session->atm->cancelled = TRUE;
1044
1045         log_message(_("Incorporation cancelled\n"));
1046 }
1047
1048 gboolean inc_is_active(void)
1049 {
1050         return (inc_dialog_list != NULL);
1051 }
1052
1053 void inc_cancel_all(void)
1054 {
1055         GList *cur;
1056
1057         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1058                 inc_cancel((IncProgressDialog *)cur->data);
1059 }
1060
1061 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1062 {
1063         inc_cancel((IncProgressDialog *)data);
1064 }
1065
1066 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1067                                  gpointer data)
1068 {
1069         IncProgressDialog *dialog = (IncProgressDialog *)data;
1070
1071         if (dialog->queue_list == NULL)
1072                 inc_progress_dialog_destroy(dialog);
1073
1074         return TRUE;
1075 }
1076
1077 static gint inc_spool(void)
1078 {
1079         gchar *mbox, *logname;
1080         gint msgs;
1081
1082         logname = g_get_user_name();
1083         mbox = g_strconcat(prefs_common.spool_path
1084                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1085                            G_DIR_SEPARATOR_S, logname, NULL);
1086         msgs = get_spool(folder_get_default_inbox(), mbox);
1087         g_free(mbox);
1088
1089         return msgs;
1090 }
1091
1092 static void inc_spool_account(PrefsAccount *account)
1093 {
1094         FolderItem *inbox;
1095
1096         if (account->inbox) {
1097                 inbox = folder_find_item_from_path(account->inbox);
1098                 if (!inbox)
1099                         inbox = folder_get_default_inbox();
1100         } else
1101                 inbox = folder_get_default_inbox();
1102
1103         get_spool(inbox, account->local_mbox);
1104 }
1105
1106 static void inc_all_spool(void)
1107 {
1108         GList *list = NULL;
1109
1110         list = account_get_list();
1111         if (!list) return;
1112
1113         for (; list != NULL; list = list->next) {
1114                 PrefsAccount *account = list->data;
1115
1116                 if ((account->protocol == A_LOCAL) &&
1117                     (account->recv_at_getall))
1118                         inc_spool_account(account);
1119         }
1120 }
1121
1122 static gint get_spool(FolderItem *dest, const gchar *mbox)
1123 {
1124         gint msgs, size;
1125         gint lockfd;
1126         gchar tmp_mbox[MAXPATHLEN + 1];
1127         GHashTable *folder_table = NULL;
1128
1129         g_return_val_if_fail(dest != NULL, -1);
1130         g_return_val_if_fail(mbox != NULL, -1);
1131
1132         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1133                 debug_print("no messages in local mailbox.\n");
1134                 return 0;
1135         } else if (size < 0)
1136                 return -1;
1137
1138         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1139                 return -1;
1140
1141         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1142                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1143
1144         if (copy_mbox(mbox, tmp_mbox) < 0) {
1145                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1146                 return -1;
1147         }
1148
1149         debug_print("Getting new messages from %s into %s...\n",
1150                     mbox, dest->path);
1151
1152         if (prefs_common.filter_on_inc)
1153                 folder_table = g_hash_table_new(NULL, NULL);
1154         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1155
1156         unlink(tmp_mbox);
1157         if (msgs >= 0) empty_mbox(mbox);
1158         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1159
1160         if (folder_table) {
1161                 if (!prefs_common.scan_all_after_inc) {
1162                 g_hash_table_insert(folder_table, dest,
1163                                     GINT_TO_POINTER(1));
1164                         folderview_update_item_foreach(folder_table, TRUE);
1165                 }
1166                 g_hash_table_destroy(folder_table);
1167         } else if (!prefs_common.scan_all_after_inc) {
1168                 folderview_update_item(dest, TRUE);
1169         }
1170
1171         return msgs;
1172 }
1173
1174 void inc_lock(void)
1175 {
1176         inc_lock_count++;
1177 }
1178
1179 void inc_unlock(void)
1180 {
1181         if (inc_lock_count > 0)
1182                 inc_lock_count--;
1183 }
1184
1185 static guint autocheck_timer = 0;
1186 static gpointer autocheck_data = NULL;
1187
1188 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1189 {
1190
1191         gchar *buf;
1192
1193         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1194             *prefs_common.newmail_notify_cmd))
1195                      return;
1196         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1197                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1198                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1199                                       new_msgs);
1200         else
1201                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1202
1203         execute_command_line(buf, TRUE);
1204
1205         g_free(buf);
1206 }
1207
1208 void inc_autocheck_timer_init(MainWindow *mainwin)
1209 {
1210         autocheck_data = mainwin;
1211         inc_autocheck_timer_set();
1212 }
1213
1214 static void inc_autocheck_timer_set_interval(guint interval)
1215 {
1216         inc_autocheck_timer_remove();
1217         /* last test is to avoid re-enabling auto_check after modifying
1218            the common preferences */
1219         if (prefs_common.autochk_newmail && autocheck_data
1220             && prefs_common.work_offline == FALSE) {
1221                 autocheck_timer = gtk_timeout_add
1222                         (interval, inc_autocheck_func, autocheck_data);
1223                 debug_print("added timer = %d\n", autocheck_timer);
1224         }
1225 }
1226
1227 void inc_autocheck_timer_set(void)
1228 {
1229         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1230 }
1231
1232 void inc_autocheck_timer_remove(void)
1233 {
1234         if (autocheck_timer) {
1235                 debug_print("removed timer = %d\n", autocheck_timer);
1236                 gtk_timeout_remove(autocheck_timer);
1237                 autocheck_timer = 0;
1238         }
1239 }
1240
1241 static gint inc_autocheck_func(gpointer data)
1242 {
1243         MainWindow *mainwin = (MainWindow *)data;
1244
1245         if (inc_lock_count) {
1246                 debug_print("autocheck is locked.\n");
1247                 inc_autocheck_timer_set_interval(1000);
1248                 return FALSE;
1249         }
1250
1251         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1252
1253         return FALSE;
1254 }