src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkwindow.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkprogressbar.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <string.h>
  34 #include <time.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <sys/wait.h>
  38 #include <signal.h>
  39 #include <errno.h>
  40
  41 #include "intl.h"
  42 #include "main.h"
  43 #include "inc.h"
  44 #include "mainwindow.h"
  45 #include "folderview.h"
  46 #include "summaryview.h"
  47 #include "prefs_common.h"
  48 #include "prefs_account.h"
  49 #include "account.h"
  50 #include "procmsg.h"
  51 #include "socket.h"
  52 #include "ssl.h"
  53 #include "pop.h"
  54 #include "recv.h"
  55 #include "mbox.h"
  56 #include "utils.h"
  57 #include "gtkutils.h"
  58 #include "statusbar.h"
  59 #include "manage_window.h"
  60 #include "stock_pixmap.h"
  61 #include "progressdialog.h"
  62 #include "inputdialog.h"
  63 #include "alertpanel.h"
  64 #include "automaton.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67 #include "selective_download.h"
  68
  69 static GList *inc_dialog_list = NULL;
  70
  71 static guint inc_lock_count = 0;
  72
  73 static GdkPixmap *currentxpm;
  74 static GdkBitmap *currentxpmmask;
  75 static GdkPixmap *errorxpm;
  76 static GdkBitmap *errorxpmmask;
  77 static GdkPixmap *okxpm;
  78 static GdkBitmap *okxpmmask;
  79
  80 #define MSGBUFSIZE      8192
  81
  82 static void inc_finished                (MainWindow             *mainwin,
  83                                          gboolean                new_messages);
  84 static gint inc_account_mail            (PrefsAccount           *account,
  85                                          MainWindow             *mainwin);
  86
  87 static IncProgressDialog *inc_progress_dialog_create    (void);
  88 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  89
  90 static IncSession *inc_session_new      (PrefsAccount           *account);
  91 static void inc_session_destroy         (IncSession             *session);
  92 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  93 static IncState inc_pop3_session_do     (IncSession             *session);
  94 static gint pop3_automaton_terminate    (SockInfo               *source,
  95                                          Automaton              *atm);
  96
  97 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
  98                                          gint            count,
  99                                          gint            read_bytes,
 100                                          gpointer        data);
 101
 102 static void inc_put_error               (IncState        istate);
 103
 104 static void inc_cancel_cb               (GtkWidget      *widget,
 105                                          gpointer        data);
 106 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 107                                          GdkEventAny    *event,
 108                                          gpointer        data);
 109
 110 static gint inc_spool                   (void);
 111 static gint get_spool                   (FolderItem     *dest,
 112                                          const gchar    *mbox);
 113
 114 static void inc_spool_account(PrefsAccount *account);
 115 static void inc_all_spool(void);
 116 static void inc_autocheck_timer_set_interval    (guint           interval);
 117 static gint inc_autocheck_func                  (gpointer        data);
 118
 119 static void inc_notify_cmd              (gint new_msgs,
 120                                          gboolean notify);
 121
 122 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 123         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 124         : FALSE
 125
 126 /**
 127  * inc_finished:
 128  * @mainwin: Main window.
 129  * @new_messages: TRUE if some messages have been received.
 130  *
 131  * Update the folder view and the summary view after receiving
 132  * messages.  If @new_messages is FALSE, this function avoids unneeded
 133  * updating.
 134  **/
 135 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 136 {
 137         FolderItem *item;
 138
 139         if (prefs_common.scan_all_after_inc)
 140                 folderview_check_new(NULL);
 141
 142         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 143
 144         if (prefs_common.open_inbox_on_inc) {
 145                 item = cur_account && cur_account->inbox
 146                         ? folder_find_item_from_identifier(cur_account->inbox)
 147                         : folder_get_default_inbox();
 148                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 149                         folderview_unselect(mainwin->folderview);
 150                         folderview_select(mainwin->folderview, item);
 151                 }
 152         } else if (prefs_common.scan_all_after_inc) {
 153                 item = mainwin->summaryview->folder_item;
 154                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 155                         folder_update_item(item, TRUE);
 156                 }
 157         }
 158 }
 159
 160 void inc_mail(MainWindow *mainwin, gboolean notify)
 161 {
 162         gint new_msgs = 0;
 163
 164         if (inc_lock_count) return;
 165
 166         if (prefs_common.work_offline)
 167                 if (alertpanel(_("Offline warning"),
 168                                _("You're working offline. Override?"),
 169                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 170                 return;
 171
 172         inc_lock();
 173         inc_autocheck_timer_remove();
 174         main_window_lock(mainwin);
 175
 176         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 177                 /* external incorporating program */
 178                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 179                         main_window_unlock(mainwin);
 180                         inc_autocheck_timer_set();
 181                         return;
 182                 }
 183
 184                 if (prefs_common.inc_local)
 185                         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                         if (new_msgs < 0)
 193                                 new_msgs = 0;
 194                 }
 195                 cur_account->session = STYPE_NORMAL;
 196                 new_msgs += inc_account_mail(cur_account, mainwin);
 197         }
 198
 199         inc_finished(mainwin, new_msgs > 0);
 200         main_window_unlock(mainwin);
 201         inc_notify_cmd(new_msgs, notify);
 202         inc_autocheck_timer_set();
 203         inc_unlock();
 204 }
 205
 206 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 207 {
 208         GSList *cur;
 209         gint new_msgs = 0;
 210
 211         acc->session = session;
 212         inc_account_mail(acc, mainwin);
 213         acc->session = STYPE_NORMAL;
 214
 215         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 216                 HeaderItems *items =(HeaderItems*)cur->data;
 217
 218                 if (items->state == SD_DOWNLOADED &&
 219                     items->del_by_old_session == FALSE) {
 220                         new_msgs++;
 221                 }
 222         }
 223
 224         if (new_msgs) {
 225                 inc_finished(mainwin, TRUE);
 226                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 227         }
 228 }
 229
 230 void inc_pop_before_smtp(PrefsAccount *acc)
 231 {
 232         acc->session = STYPE_POP_BEFORE_SMTP;
 233         inc_account_mail(acc, NULL);
 234 }
 235
 236 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 237 {
 238         IncProgressDialog *inc_dialog;
 239         IncSession *session;
 240         gchar *text[3];
 241         FolderItem *item;
 242
 243         if(mainwin && mainwin->summaryview)
 244                 item = mainwin->summaryview->folder_item;
 245
 246         switch (account->protocol) {
 247         case A_IMAP4:
 248         case A_NNTP:
 249                 folderview_check_new(FOLDER(account->folder));
 250                 if (!prefs_common.scan_all_after_inc && item != NULL &&
 251                     FOLDER(account->folder) == item->folder)
 252                         folder_update_item(item, TRUE);
 253                 return 1;
 254
 255         case A_POP3:
 256         case A_APOP:
 257                 session = inc_session_new(account);
 258                 if (!session) return 0;
 259
 260                 inc_dialog = inc_progress_dialog_create();
 261                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 262                                                        session);
 263                 inc_dialog->mainwin = mainwin;
 264                 session->data = inc_dialog;
 265
 266                 text[0] = NULL;
 267                 text[1] = account->account_name;
 268                 text[2] = _("Standby");
 269                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 270
 271                 if (mainwin) {
 272                         toolbar_set_sensitive(mainwin);
 273                         main_window_set_menu_sensitive(mainwin);
 274                 }
 275
 276                 return inc_start(inc_dialog);
 277
 278         case A_LOCAL:
 279                 inc_spool_account(account);
 280                 return 1;
 281
 282         default:
 283                 break;
 284         }
 285         return 0;
 286 }
 287
 288 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 289 {
 290         GList *list, *queue_list = NULL;
 291         IncProgressDialog *inc_dialog;
 292         gint new_msgs = 0;
 293
 294         if (prefs_common.work_offline)
 295                 if (alertpanel(_("Offline warning"),
 296                                _("You're working offline. Override?"),
 297                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 298                 return;
 299
 300         if (inc_lock_count) return;
 301
 302         inc_autocheck_timer_remove();
 303         main_window_lock(mainwin);
 304
 305         if (prefs_common.inc_local) {
 306                 new_msgs = inc_spool();
 307                 if (new_msgs < 0)
 308                         new_msgs = 0;
 309         }
 310
 311         list = account_get_list();
 312         if (!list) {
 313                 inc_finished(mainwin, new_msgs > 0);
 314                 main_window_unlock(mainwin);
 315                 inc_notify_cmd(new_msgs, notify);
 316                 inc_autocheck_timer_set();
 317                 return;
 318         }
 319
 320         /* check local folders */
 321         inc_all_spool();
 322
 323         /* check IMAP4 folders */
 324         for (; list != NULL; list = list->next) {
 325                 PrefsAccount *account = list->data;
 326                 if ((account->protocol == A_IMAP4 ||
 327                      account->protocol == A_NNTP) && account->recv_at_getall) {
 328                         FolderItem *item = mainwin->summaryview->folder_item;
 329
 330                         folderview_check_new(FOLDER(account->folder));
 331                         if (!prefs_common.scan_all_after_inc && item != NULL &&
 332                             FOLDER(account->folder) == item->folder)
 333                                 folder_update_item(item, TRUE);
 334                 }
 335         }
 336
 337         /* check POP3 accounts */
 338         for (list = account_get_list(); list != NULL; list = list->next) {
 339                 IncSession *session;
 340                 PrefsAccount *account = list->data;
 341                 account->session = STYPE_NORMAL;
 342                 if (account->recv_at_getall) {
 343                         session = inc_session_new(account);
 344                         if (session)
 345                                 queue_list = g_list_append(queue_list, session);
 346                 }
 347         }
 348
 349         if (!queue_list) {
 350                 inc_finished(mainwin, new_msgs > 0);
 351                 main_window_unlock(mainwin);
 352                 inc_notify_cmd(new_msgs, notify);
 353                 inc_autocheck_timer_set();
 354                 return;
 355         }
 356
 357         inc_dialog = inc_progress_dialog_create();
 358         inc_dialog->queue_list = queue_list;
 359         inc_dialog->mainwin = mainwin;
 360         for (list = queue_list; list != NULL; list = list->next) {
 361                 IncSession *session = list->data;
 362                 gchar *text[3];
 363
 364                 session->data = inc_dialog;
 365
 366                 text[0] = NULL;
 367                 text[1] = session->pop3_state->ac_prefs->account_name;
 368                 text[2] = _("Standby");
 369                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 370         }
 371
 372         toolbar_set_sensitive(mainwin);
 373         main_window_set_menu_sensitive(mainwin);
 374
 375         new_msgs += inc_start(inc_dialog);
 376
 377         inc_finished(mainwin, new_msgs > 0);
 378         main_window_unlock(mainwin);
 379         inc_notify_cmd(new_msgs, notify);
 380         inc_autocheck_timer_set();
 381 }
 382
 383 static IncProgressDialog *inc_progress_dialog_create(void)
 384 {
 385         IncProgressDialog *dialog;
 386         ProgressDialog *progress;
 387
 388         dialog = g_new0(IncProgressDialog, 1);
 389
 390         progress = progress_dialog_create();
 391         gtk_window_set_title(GTK_WINDOW(progress->window),
 392                              _("Retrieving new messages"));
 393         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 394                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 395         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 396                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 397         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 398
 399         progress_dialog_set_value(progress, 0.0);
 400
 401         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 402                          &okxpm, &okxpmmask);
 403         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 404                          &currentxpm, &currentxpmmask);
 405         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 406                          &errorxpm, &errorxpmmask);
 407
 408         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 409             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 410              manage_window_get_focus_window())) {
 411                 dialog->show_dialog = TRUE;
 412                 gtk_widget_show_now(progress->window);
 413         }
 414
 415         dialog->dialog = progress;
 416         dialog->queue_list = NULL;
 417
 418         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 419
 420         return dialog;
 421 }
 422
 423 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 424 {
 425         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 426         progress_dialog_set_label(inc_dialog->dialog, "");
 427         if (inc_dialog->mainwin)
 428                 gtk_progress_bar_update
 429                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 430 }
 431
 432 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 433 {
 434         g_return_if_fail(inc_dialog != NULL);
 435
 436         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 437         if (inc_dialog->mainwin)
 438                 gtk_progress_bar_update
 439                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 440         progress_dialog_destroy(inc_dialog->dialog);
 441
 442         g_free(inc_dialog);
 443 }
 444
 445 static IncSession *inc_session_new(PrefsAccount *account)
 446 {
 447         IncSession *session;
 448
 449         g_return_val_if_fail(account != NULL, NULL);
 450
 451         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 452                 return NULL;
 453         if (!account->recv_server || !account->userid)
 454                 return NULL;
 455
 456         session = g_new0(IncSession, 1);
 457         session->pop3_state = pop3_state_new(account);
 458         session->pop3_state->data = session;
 459
 460         return session;
 461 }
 462
 463 static void inc_session_destroy(IncSession *session)
 464 {
 465         g_return_if_fail(session != NULL);
 466
 467         pop3_state_destroy(session->pop3_state);
 468         g_free(session);
 469 }
 470
 471 static gint inc_start(IncProgressDialog *inc_dialog)
 472 {
 473         IncSession *session;
 474         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 475         Pop3State *pop3_state;
 476         IncState inc_state;
 477         gint num = 0;
 478         gint error_num = 0;
 479         gint new_msgs = 0;
 480         gchar *msg;
 481         gchar *fin_msg;
 482
 483         while (inc_dialog->queue_list != NULL) {
 484                 session = inc_dialog->queue_list->data;
 485                 pop3_state = session->pop3_state;
 486
 487                 inc_progress_dialog_clear(inc_dialog);
 488
 489                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 490
 491                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 492                 if (pop3_state->ac_prefs->passwd)
 493                         pop3_state->pass =
 494                                 g_strdup(pop3_state->ac_prefs->passwd);
 495                 else if (pop3_state->ac_prefs->tmp_pass)
 496                         pop3_state->pass =
 497                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 498                 else {
 499                         gchar *pass;
 500
 501                         pass = input_dialog_query_password
 502                                 (pop3_state->ac_prefs->recv_server,
 503                                  pop3_state->user);
 504
 505                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
 506                                 manage_window_focus_in
 507                                         (inc_dialog->mainwin->window,
 508                                          NULL, NULL);
 509                         if (pass) {
 510                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 511                                 pop3_state->pass = pass;
 512                         } else {
 513                                 inc_session_destroy(session);
 514                                 inc_dialog->queue_list = g_list_remove
 515                                         (inc_dialog->queue_list, session);
 516                                 continue;
 517                         }
 518                 }
 519
 520                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 521                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 522
 523                 /* begin POP3 session */
 524                 inc_state = inc_pop3_session_do(session);
 525
 526                 switch (inc_state) {
 527                 case INC_SUCCESS:
 528                         if (pop3_state->cur_total_num > 0)
 529                                 msg = g_strdup_printf
 530                                         (_("Done (%d message(s) (%s) received)"),
 531                                          pop3_state->cur_total_num,
 532                                          to_human_readable(pop3_state->cur_total_recv_bytes));
 533                         else
 534                                 msg = g_strdup_printf(_("Done (no new messages)"));
 535                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 536                         gtk_clist_set_text(clist, num, 2, msg);
 537                         g_free(msg);
 538                         break;
 539                 case INC_CONNECT_ERROR:
 540                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 541                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 542                         break;
 543                 case INC_AUTH_FAILED:
 544                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 545                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 546                         break;
 547                 case INC_LOCKED:
 548                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 549                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 550                         break;
 551                 case INC_ERROR:
 552                 case INC_NOSPACE:
 553                 case INC_SOCKET_ERROR:
 554                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 555                         gtk_clist_set_text(clist, num, 2, _("Error"));
 556                         break;
 557                 case INC_CANCEL:
 558                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 559                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 560                         break;
 561                 default:
 562                         break;
 563                 }
 564
 565                 if (pop3_state->error_val == PS_AUTHFAIL) {
 566                         if(!prefs_common.no_recv_err_panel) {
 567                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 568                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 569                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 570                                 }
 571                                 alertpanel_error
 572                                         (_("Authorization for %s on %s failed"),
 573                                          pop3_state->user,
 574                                          pop3_state->ac_prefs->recv_server);
 575                         }
 576                 }
 577
 578                 statusbar_pop_all();
 579
 580                 /* CLAWS: perform filtering actions on dropped message */
 581                 if (global_processing != NULL) {
 582                         FolderItem *processing, *inbox;
 583                         MsgInfo *msginfo;
 584                         GSList *msglist, *msglist_element;
 585
 586                         /* CLAWS: get default inbox (perhaps per account) */
 587                         if (pop3_state->ac_prefs->inbox) {
 588                                 /* CLAWS: get destination folder / mailbox */
 589                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 590                                 if (!inbox)
 591                                         inbox = folder_get_default_inbox();
 592                         } else
 593                                 inbox = folder_get_default_inbox();
 594
 595                         /* get list of messages in processing */
 596                         processing = folder_get_default_processing();
 597                         folder_item_scan(processing);
 598                         msglist = folder_item_get_msg_list(processing);
 599
 600                         /* process messages */
 601                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 602                                 msginfo = (MsgInfo *) msglist_element->data;
 603                                 /* filter if enabled in prefs or move to inbox if not */
 604                                 if(pop3_state->ac_prefs->filter_on_recv) {
 605                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 606                                                                              inbox);
 607                                 } else {
 608                                         folder_item_move_msg(inbox, msginfo);
 609                                 }
 610                                 procmsg_msginfo_free(msginfo);
 611                         }
 612                         g_slist_free(msglist);
 613                 }
 614
 615
 616                 new_msgs += pop3_state->cur_total_num;
 617
 618                 if (!prefs_common.scan_all_after_inc) {
 619                         folder_update_items_when_required
 620                                  (!prefs_common.open_inbox_on_inc);
 621                 }
 622
 623                 if (pop3_state->error_val == PS_AUTHFAIL &&
 624                     pop3_state->ac_prefs->tmp_pass) {
 625                         g_free(pop3_state->ac_prefs->tmp_pass);
 626                         pop3_state->ac_prefs->tmp_pass = NULL;
 627                 }
 628
 629                 pop3_write_uidl_list(pop3_state);
 630
 631                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 632                         error_num++;
 633                         if (inc_state == INC_NOSPACE || inc_state == INC_SOCKET_ERROR) {
 634                                 inc_put_error(inc_state);
 635                                 break;
 636                         }
 637                 }
 638
 639                 inc_session_destroy(session);
 640                 inc_dialog->queue_list =
 641                         g_list_remove(inc_dialog->queue_list, session);
 642
 643                 num++;
 644         }
 645
 646         if (new_msgs > 0)
 647                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 648                                           new_msgs);
 649         else
 650                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 651
 652         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 653
 654         if (error_num && !prefs_common.no_recv_err_panel) {
 655                 if (inc_dialog->show_dialog)
 656                         manage_window_focus_in(inc_dialog->dialog->window,
 657                                                NULL, NULL);
 658                 alertpanel_error(_("Some errors occurred while getting mail."));
 659                 if (inc_dialog->show_dialog)
 660                         manage_window_focus_out(inc_dialog->dialog->window,
 661                                                 NULL, NULL);
 662         }
 663
 664         while (inc_dialog->queue_list != NULL) {
 665                 session = inc_dialog->queue_list->data;
 666                 inc_session_destroy(session);
 667                 inc_dialog->queue_list =
 668                         g_list_remove(inc_dialog->queue_list, session);
 669         }
 670
 671         if (prefs_common.close_recv_dialog)
 672                 inc_progress_dialog_destroy(inc_dialog);
 673         else {
 674                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 675                                      fin_msg);
 676                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 677                                    _("Close"));
 678         }
 679
 680         g_free(fin_msg);
 681
 682         return new_msgs;
 683 }
 684
 685 static IncState inc_pop3_session_do(IncSession *session)
 686 {
 687         Pop3State *pop3_state = session->pop3_state;
 688         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 689         Automaton *atm;
 690         SockInfo *sockinfo;
 691         gint i;
 692         gchar *server;
 693         gushort port;
 694         gchar *buf;
 695         static AtmHandler handlers[] = {
 696                 pop3_greeting_recv      ,
 697 #if USE_SSL
 698                 pop3_stls_send          , pop3_stls_recv,
 699 #endif
 700                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 701                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 702                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 703                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 704                 pop3_getrange_last_send , pop3_getrange_last_recv,
 705                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 706                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 707                 pop3_top_send           , pop3_top_recv,
 708                 pop3_retr_send          , pop3_retr_recv,
 709                 pop3_delete_send        , pop3_delete_recv,
 710                 pop3_logout_send        , pop3_logout_recv
 711         };
 712
 713         debug_print("getting new messages of account %s...\n",
 714                     pop3_state->ac_prefs->account_name);
 715
 716         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
 717         atm = automaton_create(N_POP3_PHASE);
 718
 719         session->atm = atm;
 720         atm->data = pop3_state;
 721
 722         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 723                               pop3_state->ac_prefs->recv_server);
 724         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 725         g_free(buf);
 726
 727         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 728                 atm->state[i].handler = handlers[i];
 729         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 730         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 731                 atm->state[i++].condition = GDK_INPUT_WRITE;
 732                 atm->state[i++].condition = GDK_INPUT_READ;
 733         }
 734
 735         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 736         atm->ui_func = (AtmUIFunc)inc_progress_update;
 737
 738         atm->num = POP3_GREETING_RECV;
 739
 740         server = pop3_state->ac_prefs->recv_server;
 741 #if USE_SSL
 742         port = pop3_state->ac_prefs->set_popport ?
 743                 pop3_state->ac_prefs->popport :
 744                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 745 #else
 746         port = pop3_state->ac_prefs->set_popport ?
 747                 pop3_state->ac_prefs->popport : 110;
 748 #endif
 749
 750         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 751         log_message("%s\n", buf);
 752         progress_dialog_set_label(inc_dialog->dialog, buf);
 753         g_free(buf);
 754         GTK_EVENTS_FLUSH();
 755         statusbar_pop_all();
 756
 757         if ((sockinfo = sock_connect(server, port)) == NULL) {
 758                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 759                             server, port);
 760                 if(!prefs_common.no_recv_err_panel) {
 761                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 762                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 763                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 764                         }
 765                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 766                                          server, port);
 767                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 768                 }
 769                 pop3_automaton_terminate(NULL, atm);
 770                 automaton_destroy(atm);
 771                 session->inc_state = INC_CONNECT_ERROR;
 772                 return INC_CONNECT_ERROR;
 773         }
 774
 775 #if USE_SSL
 776         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 777             !ssl_init_socket(sockinfo)) {
 778                 pop3_automaton_terminate(sockinfo, atm);
 779                 automaton_destroy(atm);
 780                 session->inc_state = INC_CONNECT_ERROR;
 781                 return INC_CONNECT_ERROR;
 782         }
 783 #endif
 784
 785         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 786          * to the sock structure - implement a reference counter?? */
 787         pop3_state->sockinfo = sockinfo;
 788         atm->help_sock = sockinfo;
 789
 790         log_verbosity_set(TRUE);
 791         /* oha: this messes up inc_progress update:
 792            disabling this would avoid the label "Retrieve Header"
 793            being overwritten by "Retrieve Message"
 794            Setting inc_pop3_recv_func is not necessary
 795            since atm already handles the progress dialog ui
 796            just fine.
 797         */
 798         recv_set_ui_func(inc_pop3_recv_func, session);
 799
 800         atm->tag = sock_gdk_input_add(sockinfo,
 801                                       atm->state[atm->num].condition,
 802                                       automaton_input_cb, atm);
 803
 804         while (!atm->terminated && !atm->cancelled)
 805                 gtk_main_iteration();
 806
 807         if (!atm->terminated)
 808                 pop3_automaton_terminate(sockinfo, atm);
 809
 810         log_verbosity_set(FALSE);
 811         /* oha: see above */
 812         recv_set_ui_func(NULL, NULL);
 813
 814         automaton_destroy(atm);
 815
 816         if (session->inc_state != INC_SUCCESS)
 817                 return session->inc_state;
 818
 819         switch (pop3_state->error_val) {
 820         case PS_SUCCESS:
 821                 session->inc_state = INC_SUCCESS;
 822                 break;
 823         case PS_AUTHFAIL:
 824                 session->inc_state = INC_AUTH_FAILED;
 825                 break;
 826         case PS_IOERR:
 827                 session->inc_state = INC_NOSPACE;
 828                 break;
 829         case PS_SOCKET:
 830                 session->inc_state = INC_SOCKET_ERROR;
 831                 break;
 832         case PS_LOCKBUSY:
 833                 session->inc_state = INC_LOCKED;
 834                 break;
 835         default:
 836                 session->inc_state = INC_ERROR;
 837                 break;
 838         }
 839
 840         return session->inc_state;
 841 }
 842
 843 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 844 {
 845         if (atm->terminated) return 0;
 846
 847         if (atm->tag > 0) {
 848                 gdk_input_remove(atm->tag);
 849                 atm->tag = 0;
 850         }
 851         if (atm->timeout_tag > 0) {
 852                 gtk_timeout_remove(atm->timeout_tag);
 853                 atm->timeout_tag = 0;
 854         }
 855         if (source)
 856                 sock_close(source);
 857
 858         atm->terminated = TRUE;
 859
 860         return 0;
 861 }
 862
 863 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 864                                    gpointer data)
 865 {
 866         gchar buf[MSGBUFSIZE];
 867         IncSession *session = (IncSession *)data;
 868         Pop3State *state = session->pop3_state;
 869         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 870         ProgressDialog *dialog = inc_dialog->dialog;
 871         gint cur_total;
 872         gchar *total_size;
 873
 874         cur_total = state->cur_total_bytes + read_bytes;
 875         if (cur_total > state->total_bytes)
 876                 cur_total = state->total_bytes;
 877
 878         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 879                   return FALSE);
 880         g_snprintf(buf, sizeof(buf),
 881                    _("Retrieving message (%d / %d) (%s / %s)"),
 882                    state->cur_msg, state->count,
 883                    to_human_readable(cur_total), total_size);
 884         progress_dialog_set_label(dialog, buf);
 885
 886         progress_dialog_set_percentage
 887                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 888         if (inc_dialog->mainwin)
 889                 gtk_progress_bar_update
 890                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 891                          (gfloat)cur_total / (gfloat)state->total_bytes);
 892         GTK_EVENTS_FLUSH();
 893
 894         if (session->inc_state == INC_CANCEL)
 895                 return FALSE;
 896         else
 897                 return TRUE;
 898 }
 899
 900 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 901 {
 902         gchar buf[MSGBUFSIZE];
 903         IncSession *session = (IncSession *)state->data;
 904         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 905         ProgressDialog *dialog = inc_dialog->dialog;
 906         gchar *total_size;
 907
 908         switch (phase) {
 909         case POP3_GREETING_RECV:
 910                 break;
 911         case POP3_GETAUTH_USER_SEND:
 912         case POP3_GETAUTH_PASS_SEND:
 913         case POP3_GETAUTH_APOP_SEND:
 914                 progress_dialog_set_label(dialog, _("Authenticating..."));
 915                 break;
 916         case POP3_GETRANGE_STAT_SEND:
 917                 progress_dialog_set_label
 918                         (dialog, _("Getting the number of new messages (STAT)..."));
 919                 break;
 920         case POP3_GETRANGE_LAST_SEND:
 921                 progress_dialog_set_label
 922                         (dialog, _("Getting the number of new messages (LAST)..."));
 923                 break;
 924         case POP3_GETRANGE_UIDL_SEND:
 925                 progress_dialog_set_label
 926                         (dialog, _("Getting the number of new messages (UIDL)..."));
 927                 break;
 928         case POP3_GETSIZE_LIST_SEND:
 929                 progress_dialog_set_label
 930                         (dialog, _("Getting the size of messages (LIST)..."));
 931                 break;
 932         case POP3_TOP_SEND:
 933                 g_snprintf(buf, sizeof(buf),
 934                            _("Retrieving header (%d / %d)"),
 935                            state->cur_msg, state->count);
 936                 progress_dialog_set_label (dialog, buf);
 937                 progress_dialog_set_percentage
 938                         (dialog,
 939                          (gfloat)(state->cur_msg) /
 940                          (gfloat)(state->count));
 941                 if (inc_dialog->mainwin)
 942                         gtk_progress_bar_update
 943                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 944                                  (gfloat)(state->cur_msg) /
 945                                  (gfloat)(state->count));
 946                 break;
 947         case POP3_RETR_SEND:
 948                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 949                 g_snprintf(buf, sizeof(buf),
 950                            _("Retrieving message (%d / %d) (%s / %s)"),
 951                            state->cur_msg, state->count,
 952                            to_human_readable(state->cur_total_bytes),
 953                            total_size);
 954                 progress_dialog_set_label(dialog, buf);
 955                 progress_dialog_set_percentage
 956                         (dialog,
 957                          (gfloat)(state->cur_total_bytes) /
 958                          (gfloat)(state->total_bytes));
 959                 if (inc_dialog->mainwin)
 960                         gtk_progress_bar_update
 961                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 962                                  (gfloat)(state->cur_total_bytes) /
 963                                  (gfloat)(state->total_bytes));
 964                 break;
 965         case POP3_DELETE_SEND:
 966                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 967                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 968                                    state->cur_msg);
 969                         progress_dialog_set_label(dialog, buf);
 970                 }
 971                 break;
 972         case POP3_LOGOUT_SEND:
 973                 progress_dialog_set_label(dialog, _("Quitting"));
 974                 break;
 975         default:
 976                 break;
 977         }
 978 }
 979
 980 gint inc_drop_message(const gchar *file, Pop3State *state)
 981 {
 982         FolderItem *inbox;
 983         FolderItem *dropfolder;
 984         gint msgnum;
 985
 986         /* CLAWS: get default inbox (perhaps per account) */
 987         if (state->ac_prefs->inbox) {
 988                 /* CLAWS: get destination folder / mailbox */
 989                 inbox = folder_find_item_from_identifier
 990                         (state->ac_prefs->inbox);
 991                 if (!inbox)
 992                         inbox = folder_get_default_inbox();
 993         } else
 994                 inbox = folder_get_default_inbox();
 995         if (!inbox) {
 996                 unlink(file);
 997                 return -1;
 998         }
 999
1000         /* CLAWS: claws uses a global .processing folder for the filtering. */
1001         dropfolder = folder_get_default_processing();
1002
1003         /* add msg file to drop folder */
1004         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1005                 unlink(file);
1006                 return -1;
1007         }
1008
1009         return 0;
1010 }
1011
1012 static void inc_put_error(IncState istate)
1013 {
1014         switch (istate) {
1015         case INC_ERROR:
1016                 if (!prefs_common.no_recv_err_panel)
1017                         alertpanel_error
1018                                 (_("Error occurred while processing mail."));
1019                 break;
1020         case INC_NOSPACE:
1021                 alertpanel_error(_("No disk space left."));
1022                 break;
1023         case INC_SOCKET_ERROR:
1024                 alertpanel_error(_("Socket error."));
1025                 break;
1026         case INC_LOCKED:
1027                 if (!prefs_common.no_recv_err_panel)
1028                         alertpanel_error(_("Mailbox is locked."));
1029                 break;
1030         default:
1031                 break;
1032         }
1033 }
1034
1035 static void inc_cancel(IncProgressDialog *dialog)
1036 {
1037         IncSession *session;
1038         SockInfo *sockinfo;
1039
1040         g_return_if_fail(dialog != NULL);
1041
1042         if (dialog->queue_list == NULL) {
1043                 inc_progress_dialog_destroy(dialog);
1044                 return;
1045         }
1046
1047         session = dialog->queue_list->data;
1048         sockinfo = session->pop3_state->sockinfo;
1049
1050         if (!sockinfo || session->atm->terminated == TRUE) return;
1051
1052         session->pop3_state->cancelled = TRUE;
1053         session->inc_state = INC_CANCEL;
1054         session->atm->cancelled = TRUE;
1055
1056         log_message(_("Incorporation cancelled\n"));
1057 }
1058
1059 gboolean inc_is_active(void)
1060 {
1061         return (inc_dialog_list != NULL);
1062 }
1063
1064 void inc_cancel_all(void)
1065 {
1066         GList *cur;
1067
1068         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1069                 inc_cancel((IncProgressDialog *)cur->data);
1070 }
1071
1072 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1073 {
1074         inc_cancel((IncProgressDialog *)data);
1075 }
1076
1077 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1078                                  gpointer data)
1079 {
1080         IncProgressDialog *dialog = (IncProgressDialog *)data;
1081
1082         if (dialog->queue_list == NULL)
1083                 inc_progress_dialog_destroy(dialog);
1084
1085         return TRUE;
1086 }
1087
1088 static gint inc_spool(void)
1089 {
1090         gchar *mbox, *logname;
1091         gint msgs;
1092
1093         logname = g_get_user_name();
1094         mbox = g_strconcat(prefs_common.spool_path
1095                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1096                            G_DIR_SEPARATOR_S, logname, NULL);
1097         msgs = get_spool(folder_get_default_inbox(), mbox);
1098         g_free(mbox);
1099
1100         return msgs;
1101 }
1102
1103 static void inc_spool_account(PrefsAccount *account)
1104 {
1105         FolderItem *inbox;
1106
1107         if (account->inbox) {
1108                 inbox = folder_find_item_from_path(account->inbox);
1109                 if (!inbox)
1110                         inbox = folder_get_default_inbox();
1111         } else
1112                 inbox = folder_get_default_inbox();
1113
1114         get_spool(inbox, account->local_mbox);
1115 }
1116
1117 static void inc_all_spool(void)
1118 {
1119         GList *list = NULL;
1120
1121         list = account_get_list();
1122         if (!list) return;
1123
1124         for (; list != NULL; list = list->next) {
1125                 PrefsAccount *account = list->data;
1126
1127                 if ((account->protocol == A_LOCAL) &&
1128                     (account->recv_at_getall))
1129                         inc_spool_account(account);
1130         }
1131 }
1132
1133 static gint get_spool(FolderItem *dest, const gchar *mbox)
1134 {
1135         gint msgs, size;
1136         gint lockfd;
1137         gchar tmp_mbox[MAXPATHLEN + 1];
1138
1139         g_return_val_if_fail(dest != NULL, -1);
1140         g_return_val_if_fail(mbox != NULL, -1);
1141
1142         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1143                 debug_print("no messages in local mailbox.\n");
1144                 return 0;
1145         } else if (size < 0)
1146                 return -1;
1147
1148         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1149                 return -1;
1150
1151         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1152                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1153
1154         if (copy_mbox(mbox, tmp_mbox) < 0) {
1155                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1156                 return -1;
1157         }
1158
1159         debug_print("Getting new messages from %s into %s...\n",
1160                     mbox, dest->path);
1161
1162         msgs = proc_mbox(dest, tmp_mbox);
1163
1164         unlink(tmp_mbox);
1165         if (msgs >= 0) empty_mbox(mbox);
1166         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1167
1168         if (!prefs_common.scan_all_after_inc) {
1169                 folder_update_items_when_required
1170                         (!prefs_common.open_inbox_on_inc);
1171         } else if (!prefs_common.scan_all_after_inc) {
1172                 folder_update_item(dest, TRUE);
1173         }
1174
1175         return msgs;
1176 }
1177
1178 void inc_lock(void)
1179 {
1180         inc_lock_count++;
1181 }
1182
1183 void inc_unlock(void)
1184 {
1185         if (inc_lock_count > 0)
1186                 inc_lock_count--;
1187 }
1188
1189 static guint autocheck_timer = 0;
1190 static gpointer autocheck_data = NULL;
1191
1192 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1193 {
1194
1195         gchar *buf;
1196
1197         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1198             *prefs_common.newmail_notify_cmd))
1199                      return;
1200         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1201                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1202                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1203                                       new_msgs);
1204         else
1205                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1206
1207         execute_command_line(buf, TRUE);
1208
1209         g_free(buf);
1210 }
1211
1212 void inc_autocheck_timer_init(MainWindow *mainwin)
1213 {
1214         autocheck_data = mainwin;
1215         inc_autocheck_timer_set();
1216 }
1217
1218 static void inc_autocheck_timer_set_interval(guint interval)
1219 {
1220         inc_autocheck_timer_remove();
1221         /* last test is to avoid re-enabling auto_check after modifying
1222            the common preferences */
1223         if (prefs_common.autochk_newmail && autocheck_data
1224             && prefs_common.work_offline == FALSE) {
1225                 autocheck_timer = gtk_timeout_add
1226                         (interval, inc_autocheck_func, autocheck_data);
1227                 debug_print("added timer = %d\n", autocheck_timer);
1228         }
1229 }
1230
1231 void inc_autocheck_timer_set(void)
1232 {
1233         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1234 }
1235
1236 void inc_autocheck_timer_remove(void)
1237 {
1238         if (autocheck_timer) {
1239                 debug_print("removed timer = %d\n", autocheck_timer);
1240                 gtk_timeout_remove(autocheck_timer);
1241                 autocheck_timer = 0;
1242         }
1243 }
1244
1245 static gint inc_autocheck_func(gpointer data)
1246 {
1247         MainWindow *mainwin = (MainWindow *)data;
1248
1249         if (inc_lock_count) {
1250                 debug_print("autocheck is locked.\n");
1251                 inc_autocheck_timer_set_interval(1000);
1252                 return FALSE;
1253         }
1254
1255         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1256
1257         return FALSE;
1258 }