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         } else {
 190                 if (prefs_common.inc_local)
 191                         new_msgs = inc_spool();
 192
 193                 new_msgs += inc_account_mail(cur_account, mainwin);
 194         }
 195
 196         inc_finished(mainwin, new_msgs > 0);
 197         main_window_unlock(mainwin);
 198         inc_notify_cmd(new_msgs, notify);
 199         inc_autocheck_timer_set();
 200 }
 201
 202 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 203 {
 204         GSList *cur;
 205         gint new_msgs = 0;
 206
 207         acc->session = session;
 208         inc_account_mail(acc, mainwin);
 209         acc->session = STYPE_NORMAL;
 210
 211         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 212                 HeaderItems *items =(HeaderItems*)cur->data;
 213
 214                 if (items->state == SD_DOWNLOADED &&
 215                     items->del_by_old_session == FALSE) {
 216                         new_msgs++;
 217                 }
 218         }
 219
 220         if (new_msgs) {
 221                 inc_finished(mainwin, TRUE);
 222                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 223         }
 224 }
 225
 226 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 227 {
 228         IncProgressDialog *inc_dialog;
 229         IncSession *session;
 230         gchar *text[3];
 231
 232         switch (account->protocol) {
 233         case A_IMAP4:
 234         case A_NNTP:
 235                 folderview_check_new(FOLDER(account->folder));
 236                 return 1;
 237
 238         case A_POP3:
 239         case A_APOP:
 240                 session = inc_session_new(account);
 241                 if (!session) return 0;
 242
 243                 inc_dialog = inc_progress_dialog_create();
 244                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 245                                                        session);
 246                 inc_dialog->mainwin = mainwin;
 247                 session->data = inc_dialog;
 248
 249                 text[0] = NULL;
 250                 text[1] = account->account_name;
 251                 text[2] = _("Standby");
 252                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 253
 254                 main_window_set_toolbar_sensitive(mainwin);
 255                 main_window_set_menu_sensitive(mainwin);
 256
 257                 return inc_start(inc_dialog);
 258
 259         case A_LOCAL:
 260                 inc_spool_account(account);
 261                 return 1;
 262         }
 263         return 0;
 264 }
 265
 266 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 267 {
 268         GList *list, *queue_list = NULL;
 269         IncProgressDialog *inc_dialog;
 270         gint new_msgs = 0;
 271
 272         if (prefs_common.work_offline)
 273                 if (alertpanel(_("Offline warning"),
 274                                _("You're working offline. Override?"),
 275                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 276                 return;
 277
 278         if (inc_lock_count) return;
 279
 280         inc_autocheck_timer_remove();
 281         main_window_lock(mainwin);
 282
 283         if (prefs_common.inc_local)
 284                 new_msgs = inc_spool();
 285
 286         list = account_get_list();
 287         if (!list) {
 288                 inc_finished(mainwin, new_msgs > 0);
 289                 main_window_unlock(mainwin);
 290                 inc_notify_cmd(new_msgs, notify);
 291                 inc_autocheck_timer_set();
 292                 return;
 293         }
 294
 295         /* check local folders */
 296         inc_all_spool();
 297
 298         /* check IMAP4 folders */
 299         for (; list != NULL; list = list->next) {
 300                 PrefsAccount *account = list->data;
 301                 if ((account->protocol == A_IMAP4 ||
 302                      account->protocol == A_NNTP) && account->recv_at_getall)
 303                         folderview_check_new(FOLDER(account->folder));
 304         }
 305
 306         /* check POP3 accounts */
 307         for (list = account_get_list(); list != NULL; list = list->next) {
 308                 IncSession *session;
 309                 PrefsAccount *account = list->data;
 310                 account->session = STYPE_NORMAL;
 311                 if (account->recv_at_getall) {
 312                         session = inc_session_new(account);
 313                         if (session)
 314                                 queue_list = g_list_append(queue_list, session);
 315                 }
 316         }
 317
 318         if (!queue_list) {
 319                 inc_finished(mainwin, new_msgs > 0);
 320                 main_window_unlock(mainwin);
 321                 inc_notify_cmd(new_msgs, notify);
 322                 inc_autocheck_timer_set();
 323                 return;
 324         }
 325
 326         inc_dialog = inc_progress_dialog_create();
 327         inc_dialog->queue_list = queue_list;
 328         inc_dialog->mainwin = mainwin;
 329         for (list = queue_list; list != NULL; list = list->next) {
 330                 IncSession *session = list->data;
 331                 gchar *text[3];
 332
 333                 session->data = inc_dialog;
 334
 335                 text[0] = NULL;
 336                 text[1] = session->pop3_state->ac_prefs->account_name;
 337                 text[2] = _("Standby");
 338                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 339         }
 340
 341         main_window_set_toolbar_sensitive(mainwin);
 342         main_window_set_menu_sensitive(mainwin);
 343
 344         new_msgs += inc_start(inc_dialog);
 345
 346         inc_finished(mainwin, new_msgs > 0);
 347         main_window_unlock(mainwin);
 348         inc_notify_cmd(new_msgs, notify);
 349         inc_autocheck_timer_set();
 350 }
 351
 352 static IncProgressDialog *inc_progress_dialog_create(void)
 353 {
 354         IncProgressDialog *dialog;
 355         ProgressDialog *progress;
 356
 357         dialog = g_new0(IncProgressDialog, 1);
 358
 359         progress = progress_dialog_create();
 360         gtk_window_set_title(GTK_WINDOW(progress->window),
 361                              _("Retrieving new messages"));
 362         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 363                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 364         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 365                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 366         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 367
 368         progress_dialog_set_value(progress, 0.0);
 369
 370         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 371                          &okxpm, &okxpmmask);
 372         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 373                          &currentxpm, &currentxpmmask);
 374         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 375                          &errorxpm, &errorxpmmask);
 376
 377         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 378             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 379              manage_window_get_focus_window())) {
 380                 dialog->show_dialog = TRUE;
 381                 gtk_widget_show_now(progress->window);
 382         }
 383
 384         dialog->dialog = progress;
 385         dialog->queue_list = NULL;
 386
 387         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 388
 389         return dialog;
 390 }
 391
 392 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 393 {
 394         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 395         progress_dialog_set_label(inc_dialog->dialog, "");
 396         gtk_progress_bar_update
 397                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 398 }
 399
 400 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 401 {
 402         g_return_if_fail(inc_dialog != NULL);
 403
 404         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 405
 406         gtk_progress_bar_update
 407                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 408         progress_dialog_destroy(inc_dialog->dialog);
 409
 410         g_free(inc_dialog);
 411 }
 412
 413 static IncSession *inc_session_new(PrefsAccount *account)
 414 {
 415         IncSession *session;
 416
 417         g_return_val_if_fail(account != NULL, NULL);
 418
 419         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 420                 return NULL;
 421         if (!account->recv_server || !account->userid)
 422                 return NULL;
 423
 424         session = g_new0(IncSession, 1);
 425         session->pop3_state = inc_pop3_state_new(account);
 426         session->pop3_state->session = session;
 427
 428         return session;
 429 }
 430
 431 static void inc_session_destroy(IncSession *session)
 432 {
 433         g_return_if_fail(session != NULL);
 434
 435         inc_pop3_state_destroy(session->pop3_state);
 436         g_free(session);
 437 }
 438
 439 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 440 {
 441         Pop3State *state;
 442
 443         state = g_new0(Pop3State, 1);
 444
 445         state->ac_prefs = account;
 446         state->folder_table = g_hash_table_new(NULL, NULL);
 447         state->uidl_todelete_list = NULL;
 448         state->uidl_table = inc_get_uidl_table(account);
 449         state->inc_state = INC_SUCCESS;
 450         state->current_time = time(NULL);
 451
 452         return state;
 453 }
 454
 455 static void inc_pop3_state_destroy(Pop3State *state)
 456 {
 457         gint n;
 458
 459         g_hash_table_destroy(state->folder_table);
 460
 461         for (n = 1; n <= state->count; n++)
 462                 g_free(state->msg[n].uidl);
 463         g_free(state->msg);
 464
 465         if (state->uidl_table) {
 466                 hash_free_strings(state->uidl_table);
 467                 g_hash_table_destroy(state->uidl_table);
 468         }
 469         g_slist_free(state->uidl_todelete_list);
 470         g_free(state->greeting);
 471         g_free(state->user);
 472         g_free(state->pass);
 473         g_free(state->prev_folder);
 474
 475         g_free(state);
 476 }
 477
 478 static gint inc_start(IncProgressDialog *inc_dialog)
 479 {
 480         IncSession *session;
 481         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 482         Pop3State *pop3_state;
 483         IncState inc_state;
 484         gint num = 0;
 485         gint error_num = 0;
 486         gint new_msgs = 0;
 487
 488         while (inc_dialog->queue_list != NULL) {
 489                 session = inc_dialog->queue_list->data;
 490                 pop3_state = session->pop3_state;
 491
 492                 inc_progress_dialog_clear(inc_dialog);
 493
 494                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 495
 496                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 497                 if (pop3_state->ac_prefs->passwd)
 498                         pop3_state->pass =
 499                                 g_strdup(pop3_state->ac_prefs->passwd);
 500                 else if (pop3_state->ac_prefs->tmp_pass)
 501                         pop3_state->pass =
 502                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 503                 else {
 504                         gchar *pass;
 505
 506                         pass = input_dialog_query_password
 507                                 (pop3_state->ac_prefs->recv_server,
 508                                  pop3_state->user);
 509
 510                         if (inc_dialog->show_dialog)
 511                                 manage_window_focus_in
 512                                         (inc_dialog->mainwin->window,
 513                                          NULL, NULL);
 514                         if (pass) {
 515                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 516                                 pop3_state->pass = pass;
 517                         } else {
 518                                 inc_session_destroy(session);
 519                                 inc_dialog->queue_list = g_list_remove
 520                                         (inc_dialog->queue_list, session);
 521                                 continue;
 522                         }
 523                 }
 524
 525                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 526                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 527
 528                 /* begin POP3 session */
 529                 inc_state = inc_pop3_session_do(session);
 530
 531                 if (inc_state == INC_SUCCESS) {
 532                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 533                         gtk_clist_set_text(clist, num, 2, _("Done"));
 534                 } else if (inc_state == INC_CANCEL) {
 535                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 536                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 537                 } else {
 538                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 539                         if (inc_state == INC_CONNECT_ERROR)
 540                                 gtk_clist_set_text(clist, num, 2,
 541                                                    _("Connection failed"));
 542                         else if (inc_state == INC_AUTH_FAILED)
 543                                 gtk_clist_set_text(clist, num, 2,
 544                                                    _("Auth failed"));
 545                         else
 546                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 547                 }
 548
 549                 if (pop3_state->error_val == PS_AUTHFAIL) {
 550                         if(!prefs_common.no_recv_err_panel) {
 551                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 552                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 553                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 554                                 }
 555                                 alertpanel_error
 556                                         (_("Authorization for %s on %s failed"),
 557                                          pop3_state->user,
 558                                          pop3_state->ac_prefs->recv_server);
 559                         }
 560                 }
 561
 562                 statusbar_pop_all();
 563
 564                 /* CLAWS: perform filtering actions on dropped message */
 565                 if (global_processing != NULL) {
 566                         FolderItem *processing, *inbox;
 567                         MsgInfo *msginfo;
 568                         GSList *msglist, *msglist_element;
 569
 570                         /* CLAWS: get default inbox (perhaps per account) */
 571                         if (pop3_state->ac_prefs->inbox) {
 572                                 /* CLAWS: get destination folder / mailbox */
 573                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 574                                 if (!inbox)
 575                                         inbox = folder_get_default_inbox();
 576                         } else
 577                                 inbox = folder_get_default_inbox();
 578
 579                         /* get list of messages in processing */
 580                         processing = folder_get_default_processing();
 581                         folder_item_scan(processing);
 582                         msglist = folder_item_get_msg_list(processing);
 583
 584                         /* process messages */
 585                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 586                                 msginfo = (MsgInfo *) msglist_element->data;
 587                                 /* filter if enabled in prefs or move to inbox if not */
 588                                 if(pop3_state->ac_prefs->filter_on_recv) {
 589                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 590                                                                              pop3_state->folder_table,
 591                                                                              inbox);
 592                                 } else {
 593                                         folder_item_move_msg(inbox, msginfo);
 594                                         g_hash_table_insert(pop3_state->folder_table, inbox,
 595                                                             GINT_TO_POINTER(1));
 596                                 }
 597                                 procmsg_msginfo_free(msginfo);
 598                         }
 599                         g_slist_free(msglist);
 600                 }
 601
 602
 603                 new_msgs += pop3_state->cur_total_num;
 604
 605                 folderview_update_item_foreach
 606                         (pop3_state->folder_table);
 607
 608                 if (pop3_state->error_val == PS_AUTHFAIL &&
 609                     pop3_state->ac_prefs->tmp_pass) {
 610                         g_free(pop3_state->ac_prefs->tmp_pass);
 611                         pop3_state->ac_prefs->tmp_pass = NULL;
 612                 }
 613
 614                 inc_write_uidl_list(pop3_state);
 615
 616                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 617                         error_num++;
 618                         if (inc_state == INC_NOSPACE) {
 619                                 inc_put_error(inc_state);
 620                                 break;
 621                         }
 622                 }
 623
 624                 inc_session_destroy(session);
 625                 inc_dialog->queue_list =
 626                         g_list_remove(inc_dialog->queue_list, session);
 627
 628                 num++;
 629         }
 630
 631         if (error_num && !prefs_common.no_recv_err_panel) {
 632                 if (inc_dialog->show_dialog)
 633                         manage_window_focus_in(inc_dialog->dialog->window,
 634                                                NULL, NULL);
 635                 alertpanel_error(_("Some errors occured while getting mail."));
 636                 if (inc_dialog->show_dialog)
 637                         manage_window_focus_out(inc_dialog->dialog->window,
 638                                                 NULL, NULL);
 639         }
 640
 641         while (inc_dialog->queue_list != NULL) {
 642                 session = inc_dialog->queue_list->data;
 643                 inc_session_destroy(session);
 644                 inc_dialog->queue_list =
 645                         g_list_remove(inc_dialog->queue_list, session);
 646         }
 647
 648         inc_progress_dialog_destroy(inc_dialog);
 649
 650         return new_msgs;
 651 }
 652
 653 static IncState inc_pop3_session_do(IncSession *session)
 654 {
 655         Pop3State *pop3_state = session->pop3_state;
 656         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 657         Automaton *atm;
 658         SockInfo *sockinfo;
 659         gint i;
 660         gchar *server;
 661         gushort port;
 662         gchar *buf;
 663         static AtmHandler handlers[] = {
 664                 pop3_greeting_recv      ,
 665 #if USE_SSL
 666                 pop3_stls_send          , pop3_stls_recv,
 667 #endif
 668                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 669                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 670                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 671                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 672                 pop3_getrange_last_send , pop3_getrange_last_recv,
 673                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 674                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 675                 pop3_top_send           , pop3_top_recv,
 676                 pop3_retr_send          , pop3_retr_recv,
 677                 pop3_delete_send        , pop3_delete_recv,
 678                 pop3_logout_send        , pop3_logout_recv
 679         };
 680
 681         debug_print(_("getting new messages of account %s...\n"),
 682                     pop3_state->ac_prefs->account_name);
 683
 684         atm = automaton_create(N_POP3_PHASE);
 685
 686         session->atm = atm;
 687         atm->data = pop3_state;
 688
 689         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 690                               pop3_state->ac_prefs->recv_server);
 691         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 692         g_free(buf);
 693
 694         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 695                 atm->state[i].handler = handlers[i];
 696         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 697         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 698                 atm->state[i++].condition = GDK_INPUT_WRITE;
 699                 atm->state[i++].condition = GDK_INPUT_READ;
 700         }
 701
 702         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 703         atm->ui_func = (AtmUIFunc)inc_progress_update;
 704
 705         atm->num = POP3_GREETING_RECV;
 706
 707         server = pop3_state->ac_prefs->recv_server;
 708 #if USE_SSL
 709         port = pop3_state->ac_prefs->set_popport ?
 710                 pop3_state->ac_prefs->popport :
 711                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 712 #else
 713         port = pop3_state->ac_prefs->set_popport ?
 714                 pop3_state->ac_prefs->popport : 110;
 715 #endif
 716
 717         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 718         log_message("%s\n", buf);
 719         progress_dialog_set_label(inc_dialog->dialog, buf);
 720         g_free(buf);
 721         GTK_EVENTS_FLUSH();
 722         statusbar_pop_all();
 723
 724         if ((sockinfo = sock_connect(server, port)) == NULL) {
 725                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 726                             server, port);
 727                 if(!prefs_common.no_recv_err_panel) {
 728                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 729                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 730                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 731                         }
 732                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 733                                          server, port);
 734                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 735                 }
 736                 pop3_automaton_terminate(NULL, atm);
 737                 automaton_destroy(atm);
 738                 return INC_CONNECT_ERROR;
 739         }
 740
 741 #if USE_SSL
 742         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 743             !ssl_init_socket(sockinfo)) {
 744                 pop3_automaton_terminate(NULL, atm);
 745                 automaton_destroy(atm);
 746                 return INC_CONNECT_ERROR;
 747         }
 748 #endif
 749
 750         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 751          * to the sock structure - implement a reference counter?? */
 752         pop3_state->sockinfo = sockinfo;
 753         atm->help_sock = sockinfo;
 754
 755         log_verbosity_set(TRUE);
 756         /* oha: this messes up inc_progress update:
 757            disabling this would avoid the label "Retrieve Header"
 758            being overwritten by "Retrieve Message"
 759            Setting inc_pop3_recv_func is not necessary
 760            since atm already handles the progress dialog ui
 761            just fine.
 762         */
 763         recv_set_ui_func(inc_pop3_recv_func, session);
 764
 765         atm->tag = sock_gdk_input_add(sockinfo,
 766                                       atm->state[atm->num].condition,
 767                                       automaton_input_cb, atm);
 768
 769         while (!atm->terminated)
 770                 gtk_main_iteration();
 771
 772         log_verbosity_set(FALSE);
 773         /* oha: see above */
 774         recv_set_ui_func(NULL, NULL);
 775
 776         automaton_destroy(atm);
 777
 778         return pop3_state->inc_state;
 779 }
 780
 781 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 782 {
 783         if (atm->terminated) return 0;
 784
 785         if (atm->tag > 0) {
 786                 gdk_input_remove(atm->tag);
 787                 atm->tag = 0;
 788         }
 789         if (atm->timeout_tag > 0) {
 790                 gtk_timeout_remove(atm->timeout_tag);
 791                 atm->timeout_tag = 0;
 792         }
 793         if (source)
 794                 sock_close(source);
 795
 796         atm->terminated = TRUE;
 797
 798         return 0;
 799 }
 800
 801 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 802 {
 803         GHashTable *table;
 804         gchar *path;
 805         FILE *fp;
 806         gchar buf[IDLEN + 3];
 807         gchar uidl[IDLEN + 3];
 808         time_t recv_time;
 809         time_t now;
 810
 811         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 812                            "uidl", G_DIR_SEPARATOR_S, ac_prefs->recv_server,
 813                            "-", ac_prefs->userid, NULL);
 814         if ((fp = fopen(path, "rb")) == NULL) {
 815                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 816                 g_free(path);
 817                 path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 818                                    "uidl-", 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                         return NULL;
 824                 }
 825                 g_free(path);
 826         }
 827
 828         table = g_hash_table_new(g_str_hash, g_str_equal);
 829
 830         now = time(NULL);
 831
 832         while (fgets(buf, sizeof(buf), fp) != NULL) {
 833                 strretchomp(buf);
 834                 recv_time = 0;
 835                 if (sscanf(buf, "%s\t%ld", uidl, &recv_time) != 2) {
 836                         if (sscanf(buf, "%s", uidl) != 1)
 837                                 continue;
 838                         else
 839                                 recv_time = now;
 840                 }
 841                 if (recv_time == 0)
 842                         recv_time = 1;
 843                 g_hash_table_insert(table, g_strdup(uidl),
 844                                     GINT_TO_POINTER(recv_time));
 845         }
 846
 847         fclose(fp);
 848         return table;
 849 }
 850
 851 static void inc_write_uidl_list(Pop3State *state)
 852 {
 853         gchar *path;
 854         FILE *fp;
 855         Pop3MsgInfo *msg;
 856         gint n;
 857
 858         if (!state->uidl_is_valid) return;
 859
 860         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 861                            "uidl", G_DIR_SEPARATOR_S,
 862                            state->ac_prefs->recv_server,
 863                            "-", state->ac_prefs->userid, NULL);
 864         if ((fp = fopen(path, "wb")) == NULL) {
 865                 FILE_OP_ERROR(path, "fopen");
 866                 g_free(path);
 867                 return;
 868         }
 869
 870         for (n = 1; n <= state->count; n++) {
 871                 msg = &state->msg[n];
 872                 if (msg->uidl && msg->received && !msg->deleted)
 873                         fprintf(fp, "%s\t%ld\n", msg->uidl, msg->recv_time);
 874         }
 875
 876         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 877         g_free(path);
 878 }
 879
 880 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 881                                    gpointer data)
 882 {
 883         gchar buf[MSGBUFSIZE];
 884         IncSession *session = (IncSession *)data;
 885         Pop3State *state = session->pop3_state;
 886         IncProgressDialog *inc_dialog = session->data;
 887         ProgressDialog *dialog = inc_dialog->dialog;
 888         gint cur_total;
 889         gchar *total_size;
 890
 891         cur_total = state->cur_total_bytes + read_bytes;
 892         if (cur_total > state->total_bytes)
 893                 cur_total = state->total_bytes;
 894
 895         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 896                   return FALSE);
 897         g_snprintf(buf, sizeof(buf),
 898                    _("Retrieving message (%d / %d) (%s / %s)"),
 899                    state->cur_msg, state->count,
 900                    to_human_readable(cur_total), total_size);
 901         progress_dialog_set_label(dialog, buf);
 902
 903         progress_dialog_set_percentage
 904                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 905         gtk_progress_bar_update
 906                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 907                  (gfloat)cur_total / (gfloat)state->total_bytes);
 908         GTK_EVENTS_FLUSH();
 909
 910         if (state->inc_state == INC_CANCEL)
 911                 return FALSE;
 912         else
 913                 return TRUE;
 914 }
 915
 916 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 917 {
 918         gchar buf[MSGBUFSIZE];
 919         IncProgressDialog *inc_dialog = state->session->data;
 920         ProgressDialog *dialog = inc_dialog->dialog;
 921         gchar *total_size;
 922
 923         switch (phase) {
 924         case POP3_GREETING_RECV:
 925                 break;
 926         case POP3_GETAUTH_USER_SEND:
 927         case POP3_GETAUTH_PASS_SEND:
 928         case POP3_GETAUTH_APOP_SEND:
 929                 progress_dialog_set_label(dialog, _("Authenticating..."));
 930                 break;
 931         case POP3_GETRANGE_STAT_SEND:
 932                 progress_dialog_set_label
 933                         (dialog, _("Getting the number of new messages (STAT)..."));
 934                 break;
 935         case POP3_GETRANGE_LAST_SEND:
 936                 progress_dialog_set_label
 937                         (dialog, _("Getting the number of new messages (LAST)..."));
 938                 break;
 939         case POP3_GETRANGE_UIDL_SEND:
 940                 progress_dialog_set_label
 941                         (dialog, _("Getting the number of new messages (UIDL)..."));
 942                 break;
 943         case POP3_GETSIZE_LIST_SEND:
 944                 progress_dialog_set_label
 945                         (dialog, _("Getting the size of messages (LIST)..."));
 946                 break;
 947         case POP3_TOP_SEND:
 948                 g_snprintf(buf, sizeof(buf),
 949                            _("Retrieving header (%d / %d)"),
 950                            state->cur_msg, state->count);
 951                 progress_dialog_set_label (dialog, buf);
 952                 progress_dialog_set_percentage
 953                         (dialog,
 954                          (gfloat)(state->cur_msg) /
 955                          (gfloat)(state->count));
 956                 gtk_progress_bar_update
 957                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 958                          (gfloat)(state->cur_msg) /
 959                          (gfloat)(state->count));
 960                 break;
 961         case POP3_RETR_SEND:
 962                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 963                 g_snprintf(buf, sizeof(buf),
 964                            _("Retrieving message (%d / %d) (%s / %s)"),
 965                            state->cur_msg, state->count,
 966                            to_human_readable(state->cur_total_bytes),
 967                            total_size);
 968                 progress_dialog_set_label(dialog, buf);
 969                 progress_dialog_set_percentage
 970                         (dialog,
 971                          (gfloat)(state->cur_total_bytes) /
 972                          (gfloat)(state->total_bytes));
 973                 gtk_progress_bar_update
 974                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 975                          (gfloat)(state->cur_total_bytes) /
 976                          (gfloat)(state->total_bytes));
 977                 break;
 978         case POP3_DELETE_SEND:
 979                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 980                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 981                                    state->cur_msg);
 982                         progress_dialog_set_label(dialog, buf);
 983                 }
 984                 break;
 985         case POP3_LOGOUT_SEND:
 986                 progress_dialog_set_label(dialog, _("Quitting"));
 987                 break;
 988         default:
 989                 break;
 990         }
 991 }
 992
 993 gint inc_drop_message(const gchar *file, Pop3State *state)
 994 {
 995         FolderItem *inbox;
 996         FolderItem *dropfolder;
 997         gint val;
 998         gint msgnum;
 999
1000         /* CLAWS: get default inbox (perhaps per account) */
1001         if (state->ac_prefs->inbox) {
1002                 /* CLAWS: get destination folder / mailbox */
1003                 inbox = folder_find_item_from_identifier
1004                         (state->ac_prefs->inbox);
1005                 if (!inbox)
1006                         inbox = folder_get_default_inbox();
1007         } else
1008                 inbox = folder_get_default_inbox();
1009         if (!inbox) {
1010                 unlink(file);
1011                 return -1;
1012         }
1013
1014         /* CLAWS: claws uses a global .processing folder for the filtering. */
1015         if (global_processing == NULL) {
1016                 if (state->ac_prefs->filter_on_recv) {
1017                         dropfolder =
1018                                 filter_get_dest_folder(prefs_common.fltlist, file);
1019                         if (!dropfolder) dropfolder = inbox;
1020                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
1021                                 g_warning(_("a message won't be received\n"));
1022                                 return 1;
1023                         }
1024                 } else
1025                         dropfolder = inbox;
1026         } else {
1027                 dropfolder = folder_get_default_processing();
1028         }
1029
1030         val = GPOINTER_TO_INT(g_hash_table_lookup
1031                               (state->folder_table, dropfolder));
1032         if (val == 0) {
1033                 g_hash_table_insert(state->folder_table, dropfolder,
1034                                     GINT_TO_POINTER(1));
1035         }
1036
1037         /* add msg file to drop folder */
1038         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1039                 unlink(file);
1040                 return -1;
1041         }
1042
1043         return 0;
1044 }
1045
1046 static void inc_put_error(IncState istate)
1047 {
1048         switch (istate) {
1049         case INC_ERROR:
1050                 if (!prefs_common.no_recv_err_panel)
1051                         alertpanel_error
1052                                 (_("Error occurred while processing mail."));
1053                 break;
1054         case INC_NOSPACE:
1055                 alertpanel_error(_("No disk space left."));
1056                 break;
1057         default:
1058                 break;
1059         }
1060 }
1061
1062 static void inc_cancel(IncProgressDialog *dialog)
1063 {
1064         IncSession *session;
1065         SockInfo *sockinfo;
1066
1067         g_return_if_fail(dialog != NULL);
1068
1069         session = dialog->queue_list->data;
1070         sockinfo = session->pop3_state->sockinfo;
1071
1072         if (!sockinfo || session->atm->terminated == TRUE) return;
1073
1074         session->pop3_state->inc_state = INC_CANCEL;
1075         pop3_automaton_terminate(sockinfo, session->atm);
1076         session->pop3_state->sockinfo = NULL;
1077 }
1078
1079 gboolean inc_is_active(void)
1080 {
1081         return (inc_dialog_list != NULL);
1082 }
1083
1084 void inc_cancel_all(void)
1085 {
1086         GList *cur;
1087
1088         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1089                 inc_cancel((IncProgressDialog *)cur->data);
1090 }
1091
1092 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1093 {
1094         inc_cancel((IncProgressDialog *)data);
1095 }
1096
1097 static gint inc_spool(void)
1098 {
1099         gchar *mbox, *logname;
1100         gint msgs;
1101
1102         logname = g_get_user_name();
1103         mbox = g_strconcat(prefs_common.spool_path
1104                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1105                            G_DIR_SEPARATOR_S, logname, NULL);
1106         msgs = get_spool(folder_get_default_inbox(), mbox);
1107         g_free(mbox);
1108
1109         return msgs;
1110 }
1111
1112 static void inc_spool_account(PrefsAccount *account)
1113 {
1114         FolderItem *inbox;
1115
1116         if (account->inbox) {
1117                 inbox = folder_find_item_from_path(account->inbox);
1118                 if (!inbox)
1119                         inbox = folder_get_default_inbox();
1120         } else
1121                 inbox = folder_get_default_inbox();
1122
1123         get_spool(inbox, account->local_mbox);
1124 }
1125
1126 static void inc_all_spool(void)
1127 {
1128         GList *list = NULL;
1129
1130         list = account_get_list();
1131         if (!list) return;
1132
1133         for (; list != NULL; list = list->next) {
1134                 PrefsAccount *account = list->data;
1135
1136                 if ((account->protocol == A_LOCAL) &&
1137                     (account->recv_at_getall))
1138                         inc_spool_account(account);
1139         }
1140 }
1141
1142 static gint get_spool(FolderItem *dest, const gchar *mbox)
1143 {
1144         gint msgs, size;
1145         gint lockfd;
1146         gchar tmp_mbox[MAXPATHLEN + 1];
1147         GHashTable *folder_table = NULL;
1148
1149         g_return_val_if_fail(dest != NULL, -1);
1150         g_return_val_if_fail(mbox != NULL, -1);
1151
1152         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1153                 debug_print(_("no messages in local mailbox.\n"));
1154                 return 0;
1155         } else if (size < 0)
1156                 return -1;
1157
1158         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1159                 return -1;
1160
1161         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1162                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1163
1164         if (copy_mbox(mbox, tmp_mbox) < 0) {
1165                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1166                 return -1;
1167         }
1168
1169         debug_print(_("Getting new messages from %s into %s...\n"),
1170                     mbox, dest->path);
1171
1172         if (prefs_common.filter_on_inc)
1173                 folder_table = g_hash_table_new(NULL, NULL);
1174         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1175
1176         unlink(tmp_mbox);
1177         if (msgs >= 0) empty_mbox(mbox);
1178         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1179
1180         if (folder_table) {
1181                 if (!prefs_common.scan_all_after_inc) {
1182                 g_hash_table_insert(folder_table, dest,
1183                                     GINT_TO_POINTER(1));
1184                         folderview_update_item_foreach(folder_table);
1185                 }
1186                 g_hash_table_destroy(folder_table);
1187         } else if (!prefs_common.scan_all_after_inc) {
1188                 folderview_update_item(dest, FALSE);
1189         }
1190
1191         return msgs;
1192 }
1193
1194 void inc_lock(void)
1195 {
1196         inc_lock_count++;
1197 }
1198
1199 void inc_unlock(void)
1200 {
1201         if (inc_lock_count > 0)
1202                 inc_lock_count--;
1203 }
1204
1205 static guint autocheck_timer = 0;
1206 static gpointer autocheck_data = NULL;
1207
1208 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1209 {
1210
1211         gchar *buf;
1212
1213         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1214             *prefs_common.newmail_notify_cmd))
1215                      return;
1216         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1217                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1218                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1219                                       new_msgs);
1220         else
1221                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1222
1223         execute_command_line(buf, TRUE);
1224
1225         g_free(buf);
1226 }
1227
1228 void inc_autocheck_timer_init(MainWindow *mainwin)
1229 {
1230         autocheck_data = mainwin;
1231         inc_autocheck_timer_set();
1232 }
1233
1234 static void inc_autocheck_timer_set_interval(guint interval)
1235 {
1236         inc_autocheck_timer_remove();
1237         /* last test is to avoid re-enabling auto_check after modifying
1238            the common preferences */
1239         if (prefs_common.autochk_newmail && autocheck_data
1240             && prefs_common.work_offline == FALSE) {
1241                 autocheck_timer = gtk_timeout_add
1242                         (interval, inc_autocheck_func, autocheck_data);
1243                 debug_print("added timer = %d\n", autocheck_timer);
1244         }
1245 }
1246
1247 void inc_autocheck_timer_set(void)
1248 {
1249         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1250 }
1251
1252 void inc_autocheck_timer_remove(void)
1253 {
1254         if (autocheck_timer) {
1255                 debug_print("removed timer = %d\n", autocheck_timer);
1256                 gtk_timeout_remove(autocheck_timer);
1257                 autocheck_timer = 0;
1258         }
1259 }
1260
1261 static gint inc_autocheck_func(gpointer data)
1262 {
1263         MainWindow *mainwin = (MainWindow *)data;
1264
1265         if (inc_lock_count) {
1266                 debug_print("autocheck is locked.\n");
1267                 inc_autocheck_timer_set_interval(1000);
1268                 return FALSE;
1269         }
1270
1271         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1272
1273         return FALSE;
1274 }