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 Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  94 static void inc_pop3_state_destroy      (Pop3State              *state);
  95 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  96 static IncState inc_pop3_session_do     (IncSession             *session);
  97 static gint pop3_automaton_terminate    (SockInfo               *source,
  98                                          Automaton              *atm);
  99
 100 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
 101 static void inc_write_uidl_list         (Pop3State              *state);
 102
 103 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
 104                                          gint            count,
 105                                          gint            read_bytes,
 106                                          gpointer        data);
 107
 108 static void inc_put_error               (IncState        istate);
 109
 110 static void inc_cancel_cb               (GtkWidget      *widget,
 111                                          gpointer        data);
 112
 113 static gint inc_spool                   (void);
 114 static gint get_spool                   (FolderItem     *dest,
 115                                          const gchar    *mbox);
 116
 117 static void inc_spool_account(PrefsAccount *account);
 118 static void inc_all_spool(void);
 119 static void inc_autocheck_timer_set_interval    (guint           interval);
 120 static gint inc_autocheck_func                  (gpointer        data);
 121
 122 static void inc_notify_cmd              (gint new_msgs,
 123                                          gboolean notify);
 124
 125 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 126         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 127         : FALSE
 128
 129 /**
 130  * inc_finished:
 131  * @mainwin: Main window.
 132  * @new_messages: TRUE if some messages have been received.
 133  *
 134  * Update the folder view and the summary view after receiving
 135  * messages.  If @new_messages is FALSE, this function avoids unneeded
 136  * updating.
 137  **/
 138 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 139 {
 140         FolderItem *item;
 141
 142         if (prefs_common.scan_all_after_inc)
 143                 folderview_check_new(NULL);
 144
 145         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 146
 147         if (prefs_common.open_inbox_on_inc) {
 148                 item = cur_account && cur_account->inbox
 149                         ? folder_find_item_from_identifier(cur_account->inbox)
 150                         : folder_get_default_inbox();
 151                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 152                         folderview_unselect(mainwin->folderview);
 153                         folderview_select(mainwin->folderview, item);
 154                 }
 155         } else {
 156                 item = mainwin->summaryview->folder_item;
 157                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 158                         folderview_unselect(mainwin->folderview);
 159                         folderview_select(mainwin->folderview, item);
 160                 }
 161         }
 162 }
 163
 164 void inc_mail(MainWindow *mainwin, gboolean notify)
 165 {
 166         gint new_msgs = 0;
 167
 168         if (inc_lock_count) return;
 169
 170         if (prefs_common.work_offline)
 171                 if (alertpanel(_("Offline warning"),
 172                                _("You're working offline. Override?"),
 173                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 174                 return;
 175
 176         inc_autocheck_timer_remove();
 177         main_window_lock(mainwin);
 178
 179         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 180                 /* external incorporating program */
 181                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 182                         main_window_unlock(mainwin);
 183                         inc_autocheck_timer_set();
 184                         return;
 185                 }
 186
 187                 if (prefs_common.inc_local)
 188                         new_msgs = inc_spool();
 189
 190                 if (new_msgs <= 0)
 191                         new_msgs = 1;
 192         } else {
 193                 if (prefs_common.inc_local)
 194                         new_msgs = inc_spool();
 195
 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 }
 204
 205 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 206 {
 207         GSList *cur;
 208         gint new_msgs = 0;
 209
 210         acc->session = session;
 211         inc_account_mail(acc, mainwin);
 212         acc->session = STYPE_NORMAL;
 213
 214         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 215                 HeaderItems *items =(HeaderItems*)cur->data;
 216
 217                 if (items->state == SD_DOWNLOADED &&
 218                     items->del_by_old_session == FALSE) {
 219                         new_msgs++;
 220                 }
 221         }
 222
 223         if (new_msgs) {
 224                 inc_finished(mainwin, TRUE);
 225                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 226         }
 227 }
 228
 229 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 230 {
 231         IncProgressDialog *inc_dialog;
 232         IncSession *session;
 233         gchar *text[3];
 234
 235         switch (account->protocol) {
 236         case A_IMAP4:
 237         case A_NNTP:
 238                 folderview_check_new(FOLDER(account->folder));
 239                 return 1;
 240
 241         case A_POP3:
 242         case A_APOP:
 243                 session = inc_session_new(account);
 244                 if (!session) return 0;
 245
 246                 inc_dialog = inc_progress_dialog_create();
 247                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 248                                                        session);
 249                 inc_dialog->mainwin = mainwin;
 250                 session->data = inc_dialog;
 251
 252                 text[0] = NULL;
 253                 text[1] = account->account_name;
 254                 text[2] = _("Standby");
 255                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 256
 257                 toolbar_set_sensitive(mainwin);
 258                 main_window_set_menu_sensitive(mainwin);
 259
 260                 return inc_start(inc_dialog);
 261
 262         case A_LOCAL:
 263                 inc_spool_account(account);
 264                 return 1;
 265         }
 266         return 0;
 267 }
 268
 269 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 270 {
 271         GList *list, *queue_list = NULL;
 272         IncProgressDialog *inc_dialog;
 273         gint new_msgs = 0;
 274
 275         if (prefs_common.work_offline)
 276                 if (alertpanel(_("Offline warning"),
 277                                _("You're working offline. Override?"),
 278                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 279                 return;
 280
 281         if (inc_lock_count) return;
 282
 283         inc_autocheck_timer_remove();
 284         main_window_lock(mainwin);
 285
 286         if (prefs_common.inc_local) {
 287                 new_msgs = inc_spool();
 288                 if (new_msgs < 0)
 289                         new_msgs = 0;
 290         }
 291
 292         list = account_get_list();
 293         if (!list) {
 294                 inc_finished(mainwin, new_msgs > 0);
 295                 main_window_unlock(mainwin);
 296                 inc_notify_cmd(new_msgs, notify);
 297                 inc_autocheck_timer_set();
 298                 return;
 299         }
 300
 301         /* check local folders */
 302         inc_all_spool();
 303
 304         /* check IMAP4 folders */
 305         for (; list != NULL; list = list->next) {
 306                 PrefsAccount *account = list->data;
 307                 if ((account->protocol == A_IMAP4 ||
 308                      account->protocol == A_NNTP) && account->recv_at_getall)
 309                         folderview_check_new(FOLDER(account->folder));
 310         }
 311
 312         /* check POP3 accounts */
 313         for (list = account_get_list(); list != NULL; list = list->next) {
 314                 IncSession *session;
 315                 PrefsAccount *account = list->data;
 316                 account->session = STYPE_NORMAL;
 317                 if (account->recv_at_getall) {
 318                         session = inc_session_new(account);
 319                         if (session)
 320                                 queue_list = g_list_append(queue_list, session);
 321                 }
 322         }
 323
 324         if (!queue_list) {
 325                 inc_finished(mainwin, new_msgs > 0);
 326                 main_window_unlock(mainwin);
 327                 inc_notify_cmd(new_msgs, notify);
 328                 inc_autocheck_timer_set();
 329                 return;
 330         }
 331
 332         inc_dialog = inc_progress_dialog_create();
 333         inc_dialog->queue_list = queue_list;
 334         inc_dialog->mainwin = mainwin;
 335         for (list = queue_list; list != NULL; list = list->next) {
 336                 IncSession *session = list->data;
 337                 gchar *text[3];
 338
 339                 session->data = inc_dialog;
 340
 341                 text[0] = NULL;
 342                 text[1] = session->pop3_state->ac_prefs->account_name;
 343                 text[2] = _("Standby");
 344                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 345         }
 346
 347         toolbar_set_sensitive(mainwin);
 348         main_window_set_menu_sensitive(mainwin);
 349
 350         new_msgs += inc_start(inc_dialog);
 351
 352         inc_finished(mainwin, new_msgs > 0);
 353         main_window_unlock(mainwin);
 354         inc_notify_cmd(new_msgs, notify);
 355         inc_autocheck_timer_set();
 356 }
 357
 358 static IncProgressDialog *inc_progress_dialog_create(void)
 359 {
 360         IncProgressDialog *dialog;
 361         ProgressDialog *progress;
 362
 363         dialog = g_new0(IncProgressDialog, 1);
 364
 365         progress = progress_dialog_create();
 366         gtk_window_set_title(GTK_WINDOW(progress->window),
 367                              _("Retrieving new messages"));
 368         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 369                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 370         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 371                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 372         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 373
 374         progress_dialog_set_value(progress, 0.0);
 375
 376         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 377                          &okxpm, &okxpmmask);
 378         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 379                          &currentxpm, &currentxpmmask);
 380         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 381                          &errorxpm, &errorxpmmask);
 382
 383         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 384             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 385              manage_window_get_focus_window())) {
 386                 dialog->show_dialog = TRUE;
 387                 gtk_widget_show_now(progress->window);
 388         }
 389
 390         dialog->dialog = progress;
 391         dialog->queue_list = NULL;
 392
 393         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 394
 395         return dialog;
 396 }
 397
 398 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 399 {
 400         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 401         progress_dialog_set_label(inc_dialog->dialog, "");
 402         gtk_progress_bar_update
 403                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 404 }
 405
 406 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 407 {
 408         g_return_if_fail(inc_dialog != NULL);
 409
 410         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 411
 412         gtk_progress_bar_update
 413                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 414         progress_dialog_destroy(inc_dialog->dialog);
 415
 416         g_free(inc_dialog);
 417 }
 418
 419 static IncSession *inc_session_new(PrefsAccount *account)
 420 {
 421         IncSession *session;
 422
 423         g_return_val_if_fail(account != NULL, NULL);
 424
 425         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 426                 return NULL;
 427         if (!account->recv_server || !account->userid)
 428                 return NULL;
 429
 430         session = g_new0(IncSession, 1);
 431         session->pop3_state = inc_pop3_state_new(account);
 432         session->pop3_state->session = session;
 433
 434         return session;
 435 }
 436
 437 static void inc_session_destroy(IncSession *session)
 438 {
 439         g_return_if_fail(session != NULL);
 440
 441         inc_pop3_state_destroy(session->pop3_state);
 442         g_free(session);
 443 }
 444
 445 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 446 {
 447         Pop3State *state;
 448
 449         state = g_new0(Pop3State, 1);
 450
 451         state->ac_prefs = account;
 452         state->folder_table = g_hash_table_new(NULL, NULL);
 453         state->uidl_todelete_list = NULL;
 454         state->uidl_table = inc_get_uidl_table(account);
 455         state->inc_state = INC_SUCCESS;
 456         state->current_time = time(NULL);
 457
 458         return state;
 459 }
 460
 461 static void inc_pop3_state_destroy(Pop3State *state)
 462 {
 463         gint n;
 464
 465         g_hash_table_destroy(state->folder_table);
 466
 467         for (n = 1; n <= state->count; n++)
 468                 g_free(state->msg[n].uidl);
 469         g_free(state->msg);
 470
 471         if (state->uidl_table) {
 472                 hash_free_strings(state->uidl_table);
 473                 g_hash_table_destroy(state->uidl_table);
 474         }
 475         g_slist_free(state->uidl_todelete_list);
 476         g_free(state->greeting);
 477         g_free(state->user);
 478         g_free(state->pass);
 479         g_free(state->prev_folder);
 480
 481         g_free(state);
 482 }
 483
 484 static gint inc_start(IncProgressDialog *inc_dialog)
 485 {
 486         IncSession *session;
 487         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 488         Pop3State *pop3_state;
 489         IncState inc_state;
 490         gint num = 0;
 491         gint error_num = 0;
 492         gint new_msgs = 0;
 493
 494         while (inc_dialog->queue_list != NULL) {
 495                 session = inc_dialog->queue_list->data;
 496                 pop3_state = session->pop3_state;
 497
 498                 inc_progress_dialog_clear(inc_dialog);
 499
 500                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 501
 502                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 503                 if (pop3_state->ac_prefs->passwd)
 504                         pop3_state->pass =
 505                                 g_strdup(pop3_state->ac_prefs->passwd);
 506                 else if (pop3_state->ac_prefs->tmp_pass)
 507                         pop3_state->pass =
 508                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 509                 else {
 510                         gchar *pass;
 511
 512                         pass = input_dialog_query_password
 513                                 (pop3_state->ac_prefs->recv_server,
 514                                  pop3_state->user);
 515
 516                         if (inc_dialog->show_dialog)
 517                                 manage_window_focus_in
 518                                         (inc_dialog->mainwin->window,
 519                                          NULL, NULL);
 520                         if (pass) {
 521                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 522                                 pop3_state->pass = pass;
 523                         } else {
 524                                 inc_session_destroy(session);
 525                                 inc_dialog->queue_list = g_list_remove
 526                                         (inc_dialog->queue_list, session);
 527                                 continue;
 528                         }
 529                 }
 530
 531                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 532                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 533
 534                 /* begin POP3 session */
 535                 inc_state = inc_pop3_session_do(session);
 536
 537                 if (inc_state == INC_SUCCESS) {
 538                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 539                         gtk_clist_set_text(clist, num, 2, _("Done"));
 540                 } else if (inc_state == INC_CANCEL) {
 541                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 542                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 543                 } else {
 544                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 545                         if (inc_state == INC_CONNECT_ERROR)
 546                                 gtk_clist_set_text(clist, num, 2,
 547                                                    _("Connection failed"));
 548                         else if (inc_state == INC_AUTH_FAILED)
 549                                 gtk_clist_set_text(clist, num, 2,
 550                                                    _("Auth failed"));
 551                         else
 552                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 553                 }
 554
 555                 if (pop3_state->error_val == PS_AUTHFAIL) {
 556                         if(!prefs_common.no_recv_err_panel) {
 557                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 558                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 559                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 560                                 }
 561                                 alertpanel_error
 562                                         (_("Authorization for %s on %s failed"),
 563                                          pop3_state->user,
 564                                          pop3_state->ac_prefs->recv_server);
 565                         }
 566                 }
 567
 568                 statusbar_pop_all();
 569
 570                 /* CLAWS: perform filtering actions on dropped message */
 571                 if (global_processing != NULL) {
 572                         FolderItem *processing, *inbox;
 573                         MsgInfo *msginfo;
 574                         GSList *msglist, *msglist_element;
 575
 576                         /* CLAWS: get default inbox (perhaps per account) */
 577                         if (pop3_state->ac_prefs->inbox) {
 578                                 /* CLAWS: get destination folder / mailbox */
 579                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 580                                 if (!inbox)
 581                                         inbox = folder_get_default_inbox();
 582                         } else
 583                                 inbox = folder_get_default_inbox();
 584
 585                         /* get list of messages in processing */
 586                         processing = folder_get_default_processing();
 587                         folder_item_scan(processing);
 588                         msglist = folder_item_get_msg_list(processing);
 589
 590                         /* process messages */
 591                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 592                                 msginfo = (MsgInfo *) msglist_element->data;
 593                                 /* filter if enabled in prefs or move to inbox if not */
 594                                 if(pop3_state->ac_prefs->filter_on_recv) {
 595                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 596                                                                              pop3_state->folder_table,
 597                                                                              inbox);
 598                                 } else {
 599                                         folder_item_move_msg(inbox, msginfo);
 600                                         g_hash_table_insert(pop3_state->folder_table, inbox,
 601                                                             GINT_TO_POINTER(1));
 602                                 }
 603                                 procmsg_msginfo_free(msginfo);
 604                         }
 605                         g_slist_free(msglist);
 606                 }
 607
 608
 609                 new_msgs += pop3_state->cur_total_num;
 610
 611                 folderview_update_item_foreach
 612                         (pop3_state->folder_table);
 613
 614                 if (pop3_state->error_val == PS_AUTHFAIL &&
 615                     pop3_state->ac_prefs->tmp_pass) {
 616                         g_free(pop3_state->ac_prefs->tmp_pass);
 617                         pop3_state->ac_prefs->tmp_pass = NULL;
 618                 }
 619
 620                 inc_write_uidl_list(pop3_state);
 621
 622                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 623                         error_num++;
 624                         if (inc_state == INC_NOSPACE) {
 625                                 inc_put_error(inc_state);
 626                                 break;
 627                         }
 628                 }
 629
 630                 inc_session_destroy(session);
 631                 inc_dialog->queue_list =
 632                         g_list_remove(inc_dialog->queue_list, session);
 633
 634                 num++;
 635         }
 636
 637         if (error_num && !prefs_common.no_recv_err_panel) {
 638                 if (inc_dialog->show_dialog)
 639                         manage_window_focus_in(inc_dialog->dialog->window,
 640                                                NULL, NULL);
 641                 alertpanel_error(_("Some errors occured while getting mail."));
 642                 if (inc_dialog->show_dialog)
 643                         manage_window_focus_out(inc_dialog->dialog->window,
 644                                                 NULL, NULL);
 645         }
 646
 647         while (inc_dialog->queue_list != NULL) {
 648                 session = inc_dialog->queue_list->data;
 649                 inc_session_destroy(session);
 650                 inc_dialog->queue_list =
 651                         g_list_remove(inc_dialog->queue_list, session);
 652         }
 653
 654         inc_progress_dialog_destroy(inc_dialog);
 655
 656         return new_msgs;
 657 }
 658
 659 static IncState inc_pop3_session_do(IncSession *session)
 660 {
 661         Pop3State *pop3_state = session->pop3_state;
 662         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 663         Automaton *atm;
 664         SockInfo *sockinfo;
 665         gint i;
 666         gchar *server;
 667         gushort port;
 668         gchar *buf;
 669         static AtmHandler handlers[] = {
 670                 pop3_greeting_recv      ,
 671 #if USE_SSL
 672                 pop3_stls_send          , pop3_stls_recv,
 673 #endif
 674                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 675                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 676                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 677                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 678                 pop3_getrange_last_send , pop3_getrange_last_recv,
 679                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 680                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 681                 pop3_top_send           , pop3_top_recv,
 682                 pop3_retr_send          , pop3_retr_recv,
 683                 pop3_delete_send        , pop3_delete_recv,
 684                 pop3_logout_send        , pop3_logout_recv
 685         };
 686
 687         debug_print(_("getting new messages of account %s...\n"),
 688                     pop3_state->ac_prefs->account_name);
 689
 690         atm = automaton_create(N_POP3_PHASE);
 691
 692         session->atm = atm;
 693         atm->data = pop3_state;
 694
 695         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 696                               pop3_state->ac_prefs->recv_server);
 697         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 698         g_free(buf);
 699
 700         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 701                 atm->state[i].handler = handlers[i];
 702         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 703         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 704                 atm->state[i++].condition = GDK_INPUT_WRITE;
 705                 atm->state[i++].condition = GDK_INPUT_READ;
 706         }
 707
 708         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 709         atm->ui_func = (AtmUIFunc)inc_progress_update;
 710
 711         atm->num = POP3_GREETING_RECV;
 712
 713         server = pop3_state->ac_prefs->recv_server;
 714 #if USE_SSL
 715         port = pop3_state->ac_prefs->set_popport ?
 716                 pop3_state->ac_prefs->popport :
 717                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 718 #else
 719         port = pop3_state->ac_prefs->set_popport ?
 720                 pop3_state->ac_prefs->popport : 110;
 721 #endif
 722
 723         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 724         log_message("%s\n", buf);
 725         progress_dialog_set_label(inc_dialog->dialog, buf);
 726         g_free(buf);
 727         GTK_EVENTS_FLUSH();
 728         statusbar_pop_all();
 729
 730         if ((sockinfo = sock_connect(server, port)) == NULL) {
 731                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 732                             server, port);
 733                 if(!prefs_common.no_recv_err_panel) {
 734                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 735                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 736                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 737                         }
 738                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 739                                          server, port);
 740                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 741                 }
 742                 pop3_automaton_terminate(NULL, atm);
 743                 automaton_destroy(atm);
 744                 return INC_CONNECT_ERROR;
 745         }
 746
 747 #if USE_SSL
 748         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 749             !ssl_init_socket(sockinfo)) {
 750                 pop3_automaton_terminate(NULL, atm);
 751                 automaton_destroy(atm);
 752                 return INC_CONNECT_ERROR;
 753         }
 754 #endif
 755
 756         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 757          * to the sock structure - implement a reference counter?? */
 758         pop3_state->sockinfo = sockinfo;
 759         atm->help_sock = sockinfo;
 760
 761         log_verbosity_set(TRUE);
 762         /* oha: this messes up inc_progress update:
 763            disabling this would avoid the label "Retrieve Header"
 764            being overwritten by "Retrieve Message"
 765            Setting inc_pop3_recv_func is not necessary
 766            since atm already handles the progress dialog ui
 767            just fine.
 768         */
 769         recv_set_ui_func(inc_pop3_recv_func, session);
 770
 771         atm->tag = sock_gdk_input_add(sockinfo,
 772                                       atm->state[atm->num].condition,
 773                                       automaton_input_cb, atm);
 774
 775         while (!atm->terminated)
 776                 gtk_main_iteration();
 777
 778         log_verbosity_set(FALSE);
 779         /* oha: see above */
 780         recv_set_ui_func(NULL, NULL);
 781
 782         automaton_destroy(atm);
 783
 784         return pop3_state->inc_state;
 785 }
 786
 787 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 788 {
 789         if (atm->terminated) return 0;
 790
 791         if (atm->tag > 0) {
 792                 gdk_input_remove(atm->tag);
 793                 atm->tag = 0;
 794         }
 795         if (atm->timeout_tag > 0) {
 796                 gtk_timeout_remove(atm->timeout_tag);
 797                 atm->timeout_tag = 0;
 798         }
 799         if (source)
 800                 sock_close(source);
 801
 802         atm->terminated = TRUE;
 803
 804         return 0;
 805 }
 806
 807 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 808 {
 809         GHashTable *table;
 810         gchar *path;
 811         FILE *fp;
 812         gchar buf[IDLEN + 3];
 813         gchar uidl[IDLEN + 3];
 814         time_t recv_time;
 815         time_t now;
 816
 817         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 818                            "uidl", G_DIR_SEPARATOR_S, ac_prefs->recv_server,
 819                            "-", ac_prefs->userid, NULL);
 820         if ((fp = fopen(path, "rb")) == NULL) {
 821                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 822                 g_free(path);
 823                 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 824                                    "uidl-", ac_prefs->recv_server,
 825                                    "-", ac_prefs->userid, NULL);
 826                 if ((fp = fopen(path, "rb")) == NULL) {
 827                         if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 828                         g_free(path);
 829                         return NULL;
 830                 }
 831                 g_free(path);
 832         }
 833
 834         table = g_hash_table_new(g_str_hash, g_str_equal);
 835
 836         now = time(NULL);
 837
 838         while (fgets(buf, sizeof(buf), fp) != NULL) {
 839                 strretchomp(buf);
 840                 recv_time = 0;
 841                 if (sscanf(buf, "%s\t%ld", uidl, &recv_time) != 2) {
 842                         if (sscanf(buf, "%s", uidl) != 1)
 843                                 continue;
 844                         else
 845                                 recv_time = now;
 846                 }
 847                 if (recv_time == 0)
 848                         recv_time = 1;
 849                 g_hash_table_insert(table, g_strdup(uidl),
 850                                     GINT_TO_POINTER(recv_time));
 851         }
 852
 853         fclose(fp);
 854         return table;
 855 }
 856
 857 static void inc_write_uidl_list(Pop3State *state)
 858 {
 859         gchar *path;
 860         FILE *fp;
 861         Pop3MsgInfo *msg;
 862         gint n;
 863
 864         if (!state->uidl_is_valid) return;
 865
 866         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 867                            "uidl", G_DIR_SEPARATOR_S,
 868                            state->ac_prefs->recv_server,
 869                            "-", state->ac_prefs->userid, NULL);
 870         if ((fp = fopen(path, "wb")) == NULL) {
 871                 FILE_OP_ERROR(path, "fopen");
 872                 g_free(path);
 873                 return;
 874         }
 875
 876         for (n = 1; n <= state->count; n++) {
 877                 msg = &state->msg[n];
 878                 if (msg->uidl && msg->received && !msg->deleted)
 879                         fprintf(fp, "%s\t%ld\n", msg->uidl, msg->recv_time);
 880         }
 881
 882         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 883         g_free(path);
 884 }
 885
 886 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 887                                    gpointer data)
 888 {
 889         gchar buf[MSGBUFSIZE];
 890         IncSession *session = (IncSession *)data;
 891         Pop3State *state = session->pop3_state;
 892         IncProgressDialog *inc_dialog = session->data;
 893         ProgressDialog *dialog = inc_dialog->dialog;
 894         gint cur_total;
 895         gchar *total_size;
 896
 897         cur_total = state->cur_total_bytes + read_bytes;
 898         if (cur_total > state->total_bytes)
 899                 cur_total = state->total_bytes;
 900
 901         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 902                   return FALSE);
 903         g_snprintf(buf, sizeof(buf),
 904                    _("Retrieving message (%d / %d) (%s / %s)"),
 905                    state->cur_msg, state->count,
 906                    to_human_readable(cur_total), total_size);
 907         progress_dialog_set_label(dialog, buf);
 908
 909         progress_dialog_set_percentage
 910                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 911         gtk_progress_bar_update
 912                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 913                  (gfloat)cur_total / (gfloat)state->total_bytes);
 914         GTK_EVENTS_FLUSH();
 915
 916         if (state->inc_state == INC_CANCEL)
 917                 return FALSE;
 918         else
 919                 return TRUE;
 920 }
 921
 922 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 923 {
 924         gchar buf[MSGBUFSIZE];
 925         IncProgressDialog *inc_dialog = state->session->data;
 926         ProgressDialog *dialog = inc_dialog->dialog;
 927         gchar *total_size;
 928
 929         switch (phase) {
 930         case POP3_GREETING_RECV:
 931                 break;
 932         case POP3_GETAUTH_USER_SEND:
 933         case POP3_GETAUTH_PASS_SEND:
 934         case POP3_GETAUTH_APOP_SEND:
 935                 progress_dialog_set_label(dialog, _("Authenticating..."));
 936                 break;
 937         case POP3_GETRANGE_STAT_SEND:
 938                 progress_dialog_set_label
 939                         (dialog, _("Getting the number of new messages (STAT)..."));
 940                 break;
 941         case POP3_GETRANGE_LAST_SEND:
 942                 progress_dialog_set_label
 943                         (dialog, _("Getting the number of new messages (LAST)..."));
 944                 break;
 945         case POP3_GETRANGE_UIDL_SEND:
 946                 progress_dialog_set_label
 947                         (dialog, _("Getting the number of new messages (UIDL)..."));
 948                 break;
 949         case POP3_GETSIZE_LIST_SEND:
 950                 progress_dialog_set_label
 951                         (dialog, _("Getting the size of messages (LIST)..."));
 952                 break;
 953         case POP3_TOP_SEND:
 954                 g_snprintf(buf, sizeof(buf),
 955                            _("Retrieving header (%d / %d)"),
 956                            state->cur_msg, state->count);
 957                 progress_dialog_set_label (dialog, buf);
 958                 progress_dialog_set_percentage
 959                         (dialog,
 960                          (gfloat)(state->cur_msg) /
 961                          (gfloat)(state->count));
 962                 gtk_progress_bar_update
 963                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 964                          (gfloat)(state->cur_msg) /
 965                          (gfloat)(state->count));
 966                 break;
 967         case POP3_RETR_SEND:
 968                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 969                 g_snprintf(buf, sizeof(buf),
 970                            _("Retrieving message (%d / %d) (%s / %s)"),
 971                            state->cur_msg, state->count,
 972                            to_human_readable(state->cur_total_bytes),
 973                            total_size);
 974                 progress_dialog_set_label(dialog, buf);
 975                 progress_dialog_set_percentage
 976                         (dialog,
 977                          (gfloat)(state->cur_total_bytes) /
 978                          (gfloat)(state->total_bytes));
 979                 gtk_progress_bar_update
 980                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 981                          (gfloat)(state->cur_total_bytes) /
 982                          (gfloat)(state->total_bytes));
 983                 break;
 984         case POP3_DELETE_SEND:
 985                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 986                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 987                                    state->cur_msg);
 988                         progress_dialog_set_label(dialog, buf);
 989                 }
 990                 break;
 991         case POP3_LOGOUT_SEND:
 992                 progress_dialog_set_label(dialog, _("Quitting"));
 993                 break;
 994         default:
 995                 break;
 996         }
 997 }
 998
 999 gint inc_drop_message(const gchar *file, Pop3State *state)
1000 {
1001         FolderItem *inbox;
1002         FolderItem *dropfolder;
1003         gint val;
1004         gint msgnum;
1005
1006         /* CLAWS: get default inbox (perhaps per account) */
1007         if (state->ac_prefs->inbox) {
1008                 /* CLAWS: get destination folder / mailbox */
1009                 inbox = folder_find_item_from_identifier
1010                         (state->ac_prefs->inbox);
1011                 if (!inbox)
1012                         inbox = folder_get_default_inbox();
1013         } else
1014                 inbox = folder_get_default_inbox();
1015         if (!inbox) {
1016                 unlink(file);
1017                 return -1;
1018         }
1019
1020         /* CLAWS: claws uses a global .processing folder for the filtering. */
1021         if (global_processing == NULL) {
1022                 if (state->ac_prefs->filter_on_recv) {
1023                         dropfolder =
1024                                 filter_get_dest_folder(prefs_common.fltlist, file);
1025                         if (!dropfolder) dropfolder = inbox;
1026                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
1027                                 g_warning(_("a message won't be received\n"));
1028                                 return 1;
1029                         }
1030                 } else
1031                         dropfolder = inbox;
1032         } else {
1033                 dropfolder = folder_get_default_processing();
1034         }
1035
1036         val = GPOINTER_TO_INT(g_hash_table_lookup
1037                               (state->folder_table, dropfolder));
1038         if (val == 0) {
1039                 g_hash_table_insert(state->folder_table, dropfolder,
1040                                     GINT_TO_POINTER(1));
1041         }
1042
1043         /* add msg file to drop folder */
1044         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1045                 unlink(file);
1046                 return -1;
1047         }
1048
1049         return 0;
1050 }
1051
1052 static void inc_put_error(IncState istate)
1053 {
1054         switch (istate) {
1055         case INC_ERROR:
1056                 if (!prefs_common.no_recv_err_panel)
1057                         alertpanel_error
1058                                 (_("Error occurred while processing mail."));
1059                 break;
1060         case INC_NOSPACE:
1061                 alertpanel_error(_("No disk space left."));
1062                 break;
1063         default:
1064                 break;
1065         }
1066 }
1067
1068 static void inc_cancel(IncProgressDialog *dialog)
1069 {
1070         IncSession *session;
1071         SockInfo *sockinfo;
1072
1073         g_return_if_fail(dialog != NULL);
1074
1075         session = dialog->queue_list->data;
1076         sockinfo = session->pop3_state->sockinfo;
1077
1078         if (!sockinfo || session->atm->terminated == TRUE) return;
1079
1080         session->pop3_state->inc_state = INC_CANCEL;
1081         pop3_automaton_terminate(sockinfo, session->atm);
1082         session->pop3_state->sockinfo = NULL;
1083 }
1084
1085 gboolean inc_is_active(void)
1086 {
1087         return (inc_dialog_list != NULL);
1088 }
1089
1090 void inc_cancel_all(void)
1091 {
1092         GList *cur;
1093
1094         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1095                 inc_cancel((IncProgressDialog *)cur->data);
1096 }
1097
1098 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1099 {
1100         inc_cancel((IncProgressDialog *)data);
1101 }
1102
1103 static gint inc_spool(void)
1104 {
1105         gchar *mbox, *logname;
1106         gint msgs;
1107
1108         logname = g_get_user_name();
1109         mbox = g_strconcat(prefs_common.spool_path
1110                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1111                            G_DIR_SEPARATOR_S, logname, NULL);
1112         msgs = get_spool(folder_get_default_inbox(), mbox);
1113         g_free(mbox);
1114
1115         return msgs;
1116 }
1117
1118 static void inc_spool_account(PrefsAccount *account)
1119 {
1120         FolderItem *inbox;
1121
1122         if (account->inbox) {
1123                 inbox = folder_find_item_from_path(account->inbox);
1124                 if (!inbox)
1125                         inbox = folder_get_default_inbox();
1126         } else
1127                 inbox = folder_get_default_inbox();
1128
1129         get_spool(inbox, account->local_mbox);
1130 }
1131
1132 static void inc_all_spool(void)
1133 {
1134         GList *list = NULL;
1135
1136         list = account_get_list();
1137         if (!list) return;
1138
1139         for (; list != NULL; list = list->next) {
1140                 PrefsAccount *account = list->data;
1141
1142                 if ((account->protocol == A_LOCAL) &&
1143                     (account->recv_at_getall))
1144                         inc_spool_account(account);
1145         }
1146 }
1147
1148 static gint get_spool(FolderItem *dest, const gchar *mbox)
1149 {
1150         gint msgs, size;
1151         gint lockfd;
1152         gchar tmp_mbox[MAXPATHLEN + 1];
1153         GHashTable *folder_table = NULL;
1154
1155         g_return_val_if_fail(dest != NULL, -1);
1156         g_return_val_if_fail(mbox != NULL, -1);
1157
1158         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1159                 debug_print(_("no messages in local mailbox.\n"));
1160                 return 0;
1161         } else if (size < 0)
1162                 return -1;
1163
1164         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1165                 return -1;
1166
1167         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1168                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1169
1170         if (copy_mbox(mbox, tmp_mbox) < 0) {
1171                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1172                 return -1;
1173         }
1174
1175         debug_print(_("Getting new messages from %s into %s...\n"),
1176                     mbox, dest->path);
1177
1178         if (prefs_common.filter_on_inc)
1179                 folder_table = g_hash_table_new(NULL, NULL);
1180         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1181
1182         unlink(tmp_mbox);
1183         if (msgs >= 0) empty_mbox(mbox);
1184         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1185
1186         if (folder_table) {
1187                 if (!prefs_common.scan_all_after_inc) {
1188                 g_hash_table_insert(folder_table, dest,
1189                                     GINT_TO_POINTER(1));
1190                         folderview_update_item_foreach(folder_table);
1191                 }
1192                 g_hash_table_destroy(folder_table);
1193         } else if (!prefs_common.scan_all_after_inc) {
1194                 folderview_update_item(dest, FALSE);
1195         }
1196
1197         return msgs;
1198 }
1199
1200 void inc_lock(void)
1201 {
1202         inc_lock_count++;
1203 }
1204
1205 void inc_unlock(void)
1206 {
1207         if (inc_lock_count > 0)
1208                 inc_lock_count--;
1209 }
1210
1211 static guint autocheck_timer = 0;
1212 static gpointer autocheck_data = NULL;
1213
1214 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1215 {
1216
1217         gchar *buf;
1218
1219         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1220             *prefs_common.newmail_notify_cmd))
1221                      return;
1222         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1223                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1224                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1225                                       new_msgs);
1226         else
1227                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1228
1229         execute_command_line(buf, TRUE);
1230
1231         g_free(buf);
1232 }
1233
1234 void inc_autocheck_timer_init(MainWindow *mainwin)
1235 {
1236         autocheck_data = mainwin;
1237         inc_autocheck_timer_set();
1238 }
1239
1240 static void inc_autocheck_timer_set_interval(guint interval)
1241 {
1242         inc_autocheck_timer_remove();
1243         /* last test is to avoid re-enabling auto_check after modifying
1244            the common preferences */
1245         if (prefs_common.autochk_newmail && autocheck_data
1246             && prefs_common.work_offline == FALSE) {
1247                 autocheck_timer = gtk_timeout_add
1248                         (interval, inc_autocheck_func, autocheck_data);
1249                 debug_print("added timer = %d\n", autocheck_timer);
1250         }
1251 }
1252
1253 void inc_autocheck_timer_set(void)
1254 {
1255         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1256 }
1257
1258 void inc_autocheck_timer_remove(void)
1259 {
1260         if (autocheck_timer) {
1261                 debug_print("removed timer = %d\n", autocheck_timer);
1262                 gtk_timeout_remove(autocheck_timer);
1263                 autocheck_timer = 0;
1264         }
1265 }
1266
1267 static gint inc_autocheck_func(gpointer data)
1268 {
1269         MainWindow *mainwin = (MainWindow *)data;
1270
1271         if (inc_lock_count) {
1272                 debug_print("autocheck is locked.\n");
1273                 inc_autocheck_timer_set_interval(1000);
1274                 return FALSE;
1275         }
1276
1277         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1278
1279         return FALSE;
1280 }