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 <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <sys/wait.h>
  37 #include <signal.h>
  38 #include <errno.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "inc.h"
  43 #include "mainwindow.h"
  44 #include "folderview.h"
  45 #include "summaryview.h"
  46 #include "prefs_common.h"
  47 #include "prefs_account.h"
  48 #include "account.h"
  49 #include "procmsg.h"
  50 #include "socket.h"
  51 #include "ssl.h"
  52 #include "pop.h"
  53 #include "recv.h"
  54 #include "mbox.h"
  55 #include "utils.h"
  56 #include "gtkutils.h"
  57 #include "statusbar.h"
  58 #include "manage_window.h"
  59 #include "stock_pixmap.h"
  60 #include "progressdialog.h"
  61 #include "inputdialog.h"
  62 #include "alertpanel.h"
  63 #include "filter.h"
  64 #include "automaton.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67 #include "selective_download.h"
  68
  69 static guint inc_lock_count = 0;
  70
  71 static GdkPixmap *currentxpm;
  72 static GdkBitmap *currentxpmmask;
  73 static GdkPixmap *errorxpm;
  74 static GdkBitmap *errorxpmmask;
  75 static GdkPixmap *okxpm;
  76 static GdkBitmap *okxpmmask;
  77
  78 #define MSGBUFSIZE      8192
  79
  80 static void inc_finished                (MainWindow             *mainwin,
  81                                          gboolean                new_messages);
  82 static gint inc_account_mail            (PrefsAccount           *account,
  83                                          MainWindow             *mainwin);
  84
  85 static IncProgressDialog *inc_progress_dialog_create    (void);
  86 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  87
  88 static IncSession *inc_session_new      (PrefsAccount           *account);
  89 static void inc_session_destroy         (IncSession             *session);
  90 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  91 static void inc_pop3_state_destroy      (Pop3State              *state);
  92 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  93 static IncState inc_pop3_session_do     (IncSession             *session);
  94 static gint pop3_automaton_terminate    (SockInfo               *source,
  95                                          Automaton              *atm);
  96
  97 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
  98 static void inc_write_uidl_list         (Pop3State              *state);
  99
 100 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
 101                                          gint            count,
 102                                          gint            read_bytes,
 103                                          gpointer        data);
 104
 105 static void inc_put_error               (IncState        istate);
 106
 107 static void inc_cancel                  (GtkWidget      *widget,
 108                                          gpointer        data);
 109
 110 static gint inc_spool                   (void);
 111 static gint get_spool                   (FolderItem     *dest,
 112                                          const gchar    *mbox);
 113
 114 static void inc_all_spool(void);
 115 static void inc_autocheck_timer_set_interval    (guint           interval);
 116 static gint inc_autocheck_func                  (gpointer        data);
 117
 118 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 119         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 120         : FALSE
 121
 122 /**
 123  * inc_finished:
 124  * @mainwin: Main window.
 125  * @new_messages: TRUE if some messages have been received.
 126  *
 127  * Update the folder view and the summary view after receiving
 128  * messages.  If @new_messages is FALSE, this function avoids unneeded
 129  * updating.
 130  **/
 131 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 132 {
 133         FolderItem *item;
 134
 135         if (prefs_common.scan_all_after_inc)
 136                 folderview_check_new(NULL);
 137
 138         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 139
 140         if (prefs_common.open_inbox_on_inc) {
 141                 item = cur_account && cur_account->inbox
 142                         ? folder_find_item_from_path(cur_account->inbox)
 143                         : folder_get_default_inbox();
 144                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 145                         folderview_unselect(mainwin->folderview);
 146                         folderview_select(mainwin->folderview, item);
 147                 }
 148         } else {
 149                 item = mainwin->summaryview->folder_item;
 150                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 151                         folderview_unselect(mainwin->folderview);
 152                         folderview_select(mainwin->folderview, item);
 153                 }
 154         }
 155 }
 156
 157 void inc_mail(MainWindow *mainwin)
 158 {
 159         gint new_msgs = 0;
 160
 161         if (inc_lock_count) return;
 162
 163         inc_autocheck_timer_remove();
 164         summary_write_cache(mainwin->summaryview);
 165         main_window_lock(mainwin);
 166
 167         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 168                 /* external incorporating program */
 169                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 170                         main_window_unlock(mainwin);
 171                         inc_autocheck_timer_set();
 172                         return;
 173                 }
 174
 175                 if (prefs_common.inc_local)
 176                         new_msgs = inc_spool();
 177         } else {
 178                 if (prefs_common.inc_local)
 179                         new_msgs = inc_spool();
 180
 181                 new_msgs += inc_account_mail(cur_account, mainwin);
 182         }
 183
 184         inc_finished(mainwin, new_msgs > 0);
 185         main_window_unlock(mainwin);
 186         inc_autocheck_timer_set();
 187 }
 188
 189 gint inc_selective_download(MainWindow *mainwin, gint session_type)
 190 {
 191         PrefsAccount *account = cur_account;
 192         gint new_msgs = 0;
 193
 194         account->session_type = session_type;
 195         new_msgs = inc_account_mail(account, mainwin);
 196         account->session_type = RETR_NORMAL;
 197
 198         return new_msgs;
 199 }
 200
 201 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 202 {
 203         IncProgressDialog *inc_dialog;
 204         IncSession *session;
 205         gchar *text[3];
 206
 207         if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
 208                 folderview_check_new(FOLDER(account->folder));
 209                 return 1;
 210         }
 211
 212         session = inc_session_new(account);
 213         if (!session) return 0;
 214
 215         inc_dialog = inc_progress_dialog_create();
 216         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 217         inc_dialog->mainwin = mainwin;
 218         session->data = inc_dialog;
 219
 220         text[0] = NULL;
 221         text[1] = account->account_name;
 222         text[2] = _("Standby");
 223         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 224
 225         return inc_start(inc_dialog);
 226 }
 227
 228 void inc_all_account_mail(MainWindow *mainwin)
 229 {
 230         GList *list, *queue_list = NULL;
 231         IncProgressDialog *inc_dialog;
 232         gint new_msgs = 0;
 233
 234         if (inc_lock_count) return;
 235
 236         inc_autocheck_timer_remove();
 237         summary_write_cache(mainwin->summaryview);
 238         main_window_lock(mainwin);
 239
 240         if (prefs_common.inc_local)
 241                 new_msgs = inc_spool();
 242
 243         list = account_get_list();
 244         if (!list) {
 245                 inc_finished(mainwin, new_msgs > 0);
 246                 main_window_unlock(mainwin);
 247                 inc_autocheck_timer_set();
 248                 return;
 249         }
 250
 251         /* check IMAP4 folders */
 252         for (; list != NULL; list = list->next) {
 253                 PrefsAccount *account = list->data;
 254                 if ((account->protocol == A_IMAP4 ||
 255                      account->protocol == A_NNTP) && account->recv_at_getall)
 256                         folderview_check_new(FOLDER(account->folder));
 257         }
 258
 259         /* check POP3 accounts */
 260         for (list = account_get_list(); list != NULL; list = list->next) {
 261                 IncSession *session;
 262                 PrefsAccount *account = list->data;
 263                 account->session_type = RETR_NORMAL;
 264                 if (account->recv_at_getall) {
 265                         session = inc_session_new(account);
 266                         if (session)
 267                                 queue_list = g_list_append(queue_list, session);
 268                 }
 269         }
 270
 271         if (!queue_list) {
 272                 inc_finished(mainwin, new_msgs > 0);
 273                 main_window_unlock(mainwin);
 274                 inc_autocheck_timer_set();
 275                 return;
 276         }
 277
 278         inc_dialog = inc_progress_dialog_create();
 279         inc_dialog->queue_list = queue_list;
 280         inc_dialog->mainwin = mainwin;
 281         for (list = queue_list; list != NULL; list = list->next) {
 282                 IncSession *session = list->data;
 283                 gchar *text[3];
 284
 285                 session->data = inc_dialog;
 286
 287                 text[0] = NULL;
 288                 text[1] = session->pop3_state->ac_prefs->account_name;
 289                 text[2] = _("Standby");
 290                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 291         }
 292
 293         new_msgs += inc_start(inc_dialog);
 294
 295         inc_finished(mainwin, new_msgs > 0);
 296         main_window_unlock(mainwin);
 297         inc_autocheck_timer_set();
 298 }
 299
 300 static IncProgressDialog *inc_progress_dialog_create(void)
 301 {
 302         IncProgressDialog *dialog;
 303         ProgressDialog *progress;
 304
 305         dialog = g_new0(IncProgressDialog, 1);
 306
 307         progress = progress_dialog_create();
 308         gtk_window_set_title(GTK_WINDOW(progress->window),
 309                              _("Retrieving new messages"));
 310         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 311                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 312         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 313                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 314         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 315
 316         progress_dialog_set_value(progress, 0.0);
 317
 318         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 319                          &okxpm, &okxpmmask);
 320         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 321                          &currentxpm, &currentxpmmask);
 322         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 323                          &errorxpm, &errorxpmmask);
 324
 325         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 326             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 327              manage_window_get_focus_window())) {
 328                 dialog->show_dialog = TRUE;
 329                 gtk_widget_show_now(progress->window);
 330         }
 331
 332         dialog->dialog = progress;
 333         dialog->queue_list = NULL;
 334
 335         return dialog;
 336 }
 337
 338 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 339 {
 340         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 341         progress_dialog_set_label(inc_dialog->dialog, "");
 342         gtk_progress_bar_update
 343                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 344 }
 345
 346 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 347 {
 348         g_return_if_fail(inc_dialog != NULL);
 349
 350         gtk_progress_bar_update
 351                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 352         progress_dialog_destroy(inc_dialog->dialog);
 353
 354         g_free(inc_dialog);
 355 }
 356
 357 static IncSession *inc_session_new(PrefsAccount *account)
 358 {
 359         IncSession *session;
 360
 361         g_return_val_if_fail(account != NULL, NULL);
 362
 363         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 364                 return NULL;
 365         if (!account->recv_server || !account->userid)
 366                 return NULL;
 367
 368         session = g_new0(IncSession, 1);
 369         session->pop3_state = inc_pop3_state_new(account);
 370         session->pop3_state->session = session;
 371
 372         return session;
 373 }
 374
 375 static void inc_session_destroy(IncSession *session)
 376 {
 377         g_return_if_fail(session != NULL);
 378
 379         inc_pop3_state_destroy(session->pop3_state);
 380         g_free(session);
 381 }
 382
 383 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 384 {
 385         Pop3State *state;
 386
 387         state = g_new0(Pop3State, 1);
 388
 389         state->ac_prefs = account;
 390         state->folder_table = g_hash_table_new(NULL, NULL);
 391         state->id_table = inc_get_uidl_table(account);
 392         state->inc_state = INC_SUCCESS;
 393
 394         return state;
 395 }
 396
 397 static void inc_pop3_state_destroy(Pop3State *state)
 398 {
 399         gint n;
 400
 401         g_hash_table_destroy(state->folder_table);
 402
 403         for (n = 1; n <= state->count; n++)
 404                 g_free(state->msg[n].uidl);
 405         g_free(state->msg);
 406
 407         if (state->id_table) {
 408                 hash_free_strings(state->id_table);
 409                 g_hash_table_destroy(state->id_table);
 410         }
 411
 412         g_free(state->greeting);
 413         g_free(state->user);
 414         g_free(state->pass);
 415         g_free(state->prev_folder);
 416
 417         g_free(state);
 418 }
 419
 420 static gint inc_start(IncProgressDialog *inc_dialog)
 421 {
 422         IncSession *session;
 423         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 424         Pop3State *pop3_state;
 425         IncState inc_state;
 426         gint num = 0;
 427         gint error_num = 0;
 428         gint new_msgs = 0;
 429
 430         while (inc_dialog->queue_list != NULL) {
 431                 session = inc_dialog->queue_list->data;
 432                 pop3_state = session->pop3_state;
 433
 434                 inc_progress_dialog_clear(inc_dialog);
 435
 436                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 437
 438                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 439                 if (pop3_state->ac_prefs->passwd)
 440                         pop3_state->pass =
 441                                 g_strdup(pop3_state->ac_prefs->passwd);
 442                 else if (pop3_state->ac_prefs->tmp_pass)
 443                         pop3_state->pass =
 444                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 445                 else {
 446                         gchar *pass;
 447
 448                         pass = input_dialog_query_password
 449                                 (pop3_state->ac_prefs->recv_server,
 450                                  pop3_state->user);
 451
 452                         if (inc_dialog->show_dialog)
 453                                 manage_window_focus_in
 454                                         (inc_dialog->mainwin->window,
 455                                          NULL, NULL);
 456                         if (pass) {
 457                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 458                                 pop3_state->pass = pass;
 459                         } else {
 460                                 inc_session_destroy(session);
 461                                 inc_dialog->queue_list = g_list_remove
 462                                         (inc_dialog->queue_list, session);
 463                                 continue;
 464                         }
 465                 }
 466
 467                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 468                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 469
 470                 /* begin POP3 session */
 471                 inc_state = inc_pop3_session_do(session);
 472
 473                 if (inc_state == INC_SUCCESS) {
 474                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 475                         gtk_clist_set_text(clist, num, 2, _("Done"));
 476                 } else if (inc_state == INC_CANCEL) {
 477                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 478                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 479                 } else {
 480                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 481                         if (inc_state == INC_CONNECT_ERROR)
 482                                 gtk_clist_set_text(clist, num, 2,
 483                                                    _("Connection failed"));
 484                         else if (inc_state == INC_AUTH_FAILED)
 485                                 gtk_clist_set_text(clist, num, 2,
 486                                                    _("Auth failed"));
 487                         else
 488                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 489                 }
 490
 491                 if (pop3_state->error_val == PS_AUTHFAIL) {
 492                         if(!prefs_common.noerrorpanel) {
 493                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 494                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 495                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 496                                 }
 497                                 alertpanel_error
 498                                         (_("Authorization for %s on %s failed"),
 499                                          pop3_state->user,
 500                                          pop3_state->ac_prefs->recv_server);
 501                         }
 502                 }
 503
 504                 statusbar_pop_all();
 505
 506                 /* CLAWS: perform filtering actions on dropped message */
 507                 if (global_processing != NULL) {
 508                         FolderItem *processing, *inbox;
 509                         Folder *folder;
 510                         MsgInfo *msginfo;
 511                         GSList *msglist, *msglist_element;
 512
 513                         /* CLAWS: get default inbox (perhaps per account) */
 514                         if (pop3_state->ac_prefs->inbox) {
 515                                 /* CLAWS: get destination folder / mailbox */
 516                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 517                                 if (!inbox)
 518                                         inbox = folder_get_default_inbox();
 519                         } else
 520                                 inbox = folder_get_default_inbox();
 521
 522                         /* get list of messages in processing */
 523                         processing = folder_get_default_processing();
 524                         folder_item_scan(processing);
 525                         folder = processing->folder;
 526                         msglist = folder->get_msg_list(folder, processing, FALSE);
 527
 528                         /* process messages */
 529                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 530                                 msginfo = (MsgInfo *) msglist_element->data;
 531                                 /* filter if enabled in prefs or move to inbox if not */
 532                                 if(pop3_state->ac_prefs->filter_on_recv) {
 533                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 534                                                                              pop3_state->folder_table,
 535                                                                              inbox);
 536                                 } else {
 537                                         folder_item_move_msg(inbox, msginfo);
 538                                         g_hash_table_insert(pop3_state->folder_table, inbox,
 539                                                             GINT_TO_POINTER(1));
 540                                 }
 541                                 procmsg_msginfo_free(msginfo);
 542                         }
 543                         g_slist_free(msglist);
 544                 }
 545
 546
 547                 new_msgs += pop3_state->cur_total_num;
 548
 549                 if (!prefs_common.scan_all_after_inc) {
 550                         folder_item_scan_foreach(pop3_state->folder_table);
 551                         folderview_update_item_foreach
 552                                 (pop3_state->folder_table);
 553                 }
 554
 555                 if (pop3_state->error_val == PS_AUTHFAIL &&
 556                     pop3_state->ac_prefs->tmp_pass) {
 557                         g_free(pop3_state->ac_prefs->tmp_pass);
 558                         pop3_state->ac_prefs->tmp_pass = NULL;
 559                 }
 560
 561                 inc_write_uidl_list(pop3_state);
 562
 563                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 564                         error_num++;
 565                         if (inc_state == INC_NOSPACE) {
 566                                 inc_put_error(inc_state);
 567                                 break;
 568                         }
 569                 }
 570
 571                 inc_session_destroy(session);
 572                 inc_dialog->queue_list =
 573                         g_list_remove(inc_dialog->queue_list, session);
 574
 575                 num++;
 576         }
 577
 578         if (error_num && !prefs_common.noerrorpanel) {
 579                 if (inc_dialog->show_dialog)
 580                         manage_window_focus_in(inc_dialog->dialog->window,
 581                                                NULL, NULL);
 582                 alertpanel_error(_("Some errors occured while getting mail."));
 583                 if (inc_dialog->show_dialog)
 584                         manage_window_focus_out(inc_dialog->dialog->window,
 585                                                 NULL, NULL);
 586         }
 587
 588         while (inc_dialog->queue_list != NULL) {
 589                 session = inc_dialog->queue_list->data;
 590                 inc_session_destroy(session);
 591                 inc_dialog->queue_list =
 592                         g_list_remove(inc_dialog->queue_list, session);
 593         }
 594
 595         inc_progress_dialog_destroy(inc_dialog);
 596
 597         return new_msgs;
 598 }
 599
 600 static IncState inc_pop3_session_do(IncSession *session)
 601 {
 602         Pop3State *pop3_state = session->pop3_state;
 603         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 604         Automaton *atm;
 605         SockInfo *sockinfo;
 606         gint i;
 607         gchar *server;
 608         gushort port;
 609         gchar *buf;
 610         static AtmHandler handlers[] = {
 611                 pop3_greeting_recv      ,
 612                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 613                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 614                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 615                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 616                 pop3_getrange_last_send , pop3_getrange_last_recv,
 617                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 618                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 619                 pop3_top_send           , pop3_top_recv,
 620                 pop3_retr_send          , pop3_retr_recv,
 621                 pop3_delete_send        , pop3_delete_recv,
 622                 pop3_logout_send        , pop3_logout_recv
 623         };
 624
 625         debug_print(_("getting new messages of account %s...\n"),
 626                     pop3_state->ac_prefs->account_name);
 627
 628         atm = automaton_create(N_POP3_PHASE);
 629
 630         session->atm = atm;
 631         atm->data = pop3_state;
 632
 633         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 634                               pop3_state->ac_prefs->recv_server);
 635         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 636         g_free(buf);
 637
 638         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 639                 atm->state[i].handler = handlers[i];
 640         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 641         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 642                 atm->state[i++].condition = GDK_INPUT_WRITE;
 643                 atm->state[i++].condition = GDK_INPUT_READ;
 644         }
 645
 646         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 647
 648         atm->num = POP3_GREETING_RECV;
 649
 650         server = pop3_state->ac_prefs->recv_server;
 651 #if USE_SSL
 652         port = pop3_state->ac_prefs->set_popport ?
 653                 pop3_state->ac_prefs->popport :
 654                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 655 #else
 656         port = pop3_state->ac_prefs->set_popport ?
 657                 pop3_state->ac_prefs->popport : 110;
 658 #endif
 659
 660         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 661         log_message("%s\n", buf);
 662         progress_dialog_set_label(inc_dialog->dialog, buf);
 663         g_free(buf);
 664         GTK_EVENTS_FLUSH();
 665         statusbar_pop_all();
 666
 667         if ((sockinfo = sock_connect(server, port)) == NULL) {
 668                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 669                             server, port);
 670                 if(!prefs_common.noerrorpanel) {
 671                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 672                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 673                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 674                         }
 675                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 676                                          server, port);
 677                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 678                 }
 679                 pop3_automaton_terminate(NULL, atm);
 680                 automaton_destroy(atm);
 681                 return INC_CONNECT_ERROR;
 682         }
 683
 684 #if USE_SSL
 685         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 686                 pop3_automaton_terminate(NULL, atm);
 687                 automaton_destroy(atm);
 688                 return INC_CONNECT_ERROR;
 689         }
 690 #endif
 691
 692         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 693          * to the sock structure - implement a reference counter?? */
 694         pop3_state->sockinfo = sockinfo;
 695         atm->help_sock = sockinfo;
 696
 697         log_verbosity_set(TRUE);
 698         recv_set_ui_func(inc_pop3_recv_func, session);
 699
 700         atm->tag = sock_gdk_input_add(sockinfo,
 701                                       atm->state[atm->num].condition,
 702                                       automaton_input_cb, atm);
 703
 704         while (!atm->terminated)
 705                 gtk_main_iteration();
 706
 707         log_verbosity_set(FALSE);
 708         recv_set_ui_func(NULL, NULL);
 709
 710         automaton_destroy(atm);
 711
 712         return pop3_state->inc_state;
 713 }
 714
 715 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 716 {
 717         if (atm->terminated) return 0;
 718
 719         if (atm->tag > 0) {
 720                 gdk_input_remove(atm->tag);
 721                 atm->tag = 0;
 722         }
 723         if (atm->timeout_tag > 0) {
 724                 gtk_timeout_remove(atm->timeout_tag);
 725                 atm->timeout_tag = 0;
 726         }
 727         if (source)
 728                 sock_close(source);
 729
 730         atm->terminated = TRUE;
 731
 732         return 0;
 733 }
 734
 735 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 736 {
 737         GHashTable *table;
 738         gchar *path;
 739         FILE *fp;
 740         gchar buf[IDLEN + 3];
 741
 742         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 743                            "uidl-", ac_prefs->recv_server,
 744                            "-", ac_prefs->userid, NULL);
 745         if ((fp = fopen(path, "r")) == NULL) {
 746                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 747                 g_free(path);
 748                 return NULL;
 749         }
 750         g_free(path);
 751
 752         table = g_hash_table_new(g_str_hash, g_str_equal);
 753
 754         while (fgets(buf, sizeof(buf), fp) != NULL) {
 755                 strretchomp(buf);
 756                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 757         }
 758
 759         fclose(fp);
 760
 761         return table;
 762 }
 763
 764 static void inc_write_uidl_list(Pop3State *state)
 765 {
 766         gchar *path;
 767         FILE *fp;
 768         gint n;
 769
 770         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 771                            "uidl-", state->ac_prefs->recv_server,
 772                            "-", state->user, NULL);
 773         if ((fp = fopen(path, "w")) == NULL) {
 774                 FILE_OP_ERROR(path, "fopen");
 775                 g_free(path);
 776                 return;
 777         }
 778
 779         for (n = 1; n <= state->count; n++) {
 780                 if (state->msg[n].uidl && state->msg[n].received &&
 781                     !state->msg[n].deleted) {
 782                         if (fputs(state->msg[n].uidl, fp) == EOF) {
 783                                 FILE_OP_ERROR(path, "fputs");
 784                                 break;
 785                         }
 786                         if (fputc('\n', fp) == EOF) {
 787                                 FILE_OP_ERROR(path, "fputc");
 788                                 break;
 789                         }
 790                 }
 791         }
 792
 793         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 794         g_free(path);
 795 }
 796
 797 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 798                                    gpointer data)
 799 {
 800         gchar buf[MSGBUFSIZE];
 801         IncSession *session = (IncSession *)data;
 802         Pop3State *state = session->pop3_state;
 803         IncProgressDialog *inc_dialog = session->data;
 804         ProgressDialog *dialog = inc_dialog->dialog;
 805         gint cur_total;
 806         gchar *total_size;
 807
 808         cur_total = state->cur_total_bytes + read_bytes;
 809         if (cur_total > state->total_bytes)
 810                 cur_total = state->total_bytes;
 811
 812         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 813                   return FALSE);
 814         g_snprintf(buf, sizeof(buf),
 815                    _("Retrieving message (%d / %d) (%s / %s)"),
 816                    state->cur_msg, state->count,
 817                    to_human_readable(cur_total), total_size);
 818         progress_dialog_set_label(dialog, buf);
 819
 820         progress_dialog_set_percentage
 821                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 822         gtk_progress_bar_update
 823                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 824                  (gfloat)cur_total / (gfloat)state->total_bytes);
 825         GTK_EVENTS_FLUSH();
 826
 827         if (state->inc_state == INC_CANCEL)
 828                 return FALSE;
 829         else
 830                 return TRUE;
 831 }
 832
 833 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 834 {
 835         gchar buf[MSGBUFSIZE];
 836         IncProgressDialog *inc_dialog = state->session->data;
 837         ProgressDialog *dialog = inc_dialog->dialog;
 838         gchar *total_size;
 839
 840         switch (phase) {
 841         case POP3_GREETING_RECV:
 842                 break;
 843         case POP3_GETAUTH_USER_SEND:
 844         case POP3_GETAUTH_USER_RECV:
 845         case POP3_GETAUTH_PASS_SEND:
 846         case POP3_GETAUTH_PASS_RECV:
 847         case POP3_GETAUTH_APOP_SEND:
 848         case POP3_GETAUTH_APOP_RECV:
 849                 progress_dialog_set_label(dialog, _("Authenticating..."));
 850                 break;
 851         case POP3_GETRANGE_STAT_SEND:
 852         case POP3_GETRANGE_STAT_RECV:
 853                 progress_dialog_set_label
 854                         (dialog, _("Getting the number of new messages (STAT)..."));
 855                 break;
 856         case POP3_GETRANGE_LAST_SEND:
 857         case POP3_GETRANGE_LAST_RECV:
 858                 progress_dialog_set_label
 859                         (dialog, _("Getting the number of new messages (LAST)..."));
 860                 break;
 861         case POP3_GETRANGE_UIDL_SEND:
 862         case POP3_GETRANGE_UIDL_RECV:
 863                 progress_dialog_set_label
 864                         (dialog, _("Getting the number of new messages (UIDL)..."));
 865                 break;
 866         case POP3_GETSIZE_LIST_SEND:
 867         case POP3_GETSIZE_LIST_RECV:
 868                 progress_dialog_set_label
 869                         (dialog, _("Getting the size of messages (LIST)..."));
 870                 break;
 871         case POP3_TOP_SEND:
 872         case POP3_TOP_RECV:
 873                 g_snprintf(buf, sizeof(buf),
 874                            _("Retrieving header (%d / %d)"),
 875                            state->cur_msg, state->count);
 876                 progress_dialog_set_label (dialog, buf);
 877                 progress_dialog_set_percentage
 878                         (dialog,
 879                          (gfloat)(state->cur_msg) /
 880                          (gfloat)(state->count));
 881                 gtk_progress_bar_update
 882                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 883                          (gfloat)(state->cur_msg) /
 884                          (gfloat)(state->count));
 885                 break;
 886         case POP3_RETR_SEND:
 887         case POP3_RETR_RECV:
 888                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 889                 g_snprintf(buf, sizeof(buf),
 890                            _("Retrieving message (%d / %d) (%s / %s)"),
 891                            state->cur_msg, state->count,
 892                            to_human_readable(state->cur_total_bytes),
 893                            total_size);
 894                 progress_dialog_set_label(dialog, buf);
 895                 progress_dialog_set_percentage
 896                         (dialog,
 897                          (gfloat)(state->cur_total_bytes) /
 898                          (gfloat)(state->total_bytes));
 899                 gtk_progress_bar_update
 900                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 901                          (gfloat)(state->cur_total_bytes) /
 902                          (gfloat)(state->total_bytes));
 903                 break;
 904         case POP3_DELETE_SEND:
 905         case POP3_DELETE_RECV:
 906                 progress_dialog_set_label(dialog, _("Deleting message"));
 907                 break;
 908         case POP3_LOGOUT_SEND:
 909         case POP3_LOGOUT_RECV:
 910                 progress_dialog_set_label(dialog, _("Quitting"));
 911                 break;
 912         default:
 913                 break;
 914         }
 915 }
 916
 917 gint inc_drop_message(const gchar *file, Pop3State *state)
 918 {
 919         FolderItem *inbox;
 920         FolderItem *dropfolder;
 921         gint val;
 922         gint msgnum;
 923
 924         /* CLAWS: get default inbox (perhaps per account) */
 925         if (state->ac_prefs->inbox) {
 926                 /* CLAWS: get destination folder / mailbox */
 927                 inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
 928                 if (!inbox)
 929                         inbox = folder_get_default_inbox();
 930         } else
 931                 inbox = folder_get_default_inbox();
 932         if (!inbox) {
 933                 unlink(file);
 934                 return -1;
 935         }
 936
 937         /* CLAWS: claws uses a global .processing folder for the filtering. */
 938         if (global_processing == NULL) {
 939                 if (state->ac_prefs->filter_on_recv) {
 940                         dropfolder =
 941                                 filter_get_dest_folder(prefs_common.fltlist, file);
 942                         if (!dropfolder) dropfolder = inbox;
 943                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 944                                 g_warning(_("a message won't be received\n"));
 945                                 return 1;
 946                         }
 947                 } else
 948                         dropfolder = inbox;
 949         } else {
 950                 dropfolder = folder_get_default_processing();
 951         }
 952
 953         val = GPOINTER_TO_INT(g_hash_table_lookup
 954                               (state->folder_table, dropfolder));
 955         if (val == 0) {
 956                 folder_item_scan(dropfolder);
 957                 g_hash_table_insert(state->folder_table, dropfolder,
 958                                     GINT_TO_POINTER(1));
 959         }
 960
 961         /* add msg file to drop folder */
 962         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 963                 unlink(file);
 964                 return -1;
 965         }
 966
 967         return 0;
 968 }
 969
 970 static void inc_put_error(IncState istate)
 971 {
 972         switch (istate) {
 973         case INC_ERROR:
 974                 if(!prefs_common.noerrorpanel) {
 975                         alertpanel_error(_("Error occurred while processing mail."));
 976                 }
 977                 break;
 978         case INC_NOSPACE:
 979                 alertpanel_error(_("No disk space left."));
 980                 break;
 981         default:
 982                 break;
 983         }
 984 }
 985
 986 static void inc_cancel(GtkWidget *widget, gpointer data)
 987 {
 988         IncProgressDialog *dialog = data;
 989         IncSession *session = dialog->queue_list->data;
 990         SockInfo *sockinfo = session->pop3_state->sockinfo;
 991
 992         if (!sockinfo || session->atm->terminated == TRUE) return;
 993
 994         session->pop3_state->inc_state = INC_CANCEL;
 995         pop3_automaton_terminate(sockinfo, session->atm);
 996         session->pop3_state->sockinfo = NULL;
 997 }
 998
 999 static gint inc_spool(void)
1000 {
1001         gchar *mbox, *logname;
1002         gint msgs;
1003
1004         logname = g_get_user_name();
1005         mbox = g_strconcat(prefs_common.spool_path
1006                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1007                            G_DIR_SEPARATOR_S, logname, NULL);
1008         msgs = get_spool(folder_get_default_inbox(), mbox);
1009         g_free(mbox);
1010
1011         return msgs;
1012 }
1013
1014 static void inc_spool_account(PrefsAccount *account)
1015 {
1016         FolderItem *inbox;
1017         FolderItem *dropfolder;
1018         gint val;
1019
1020         if (account->inbox) {
1021                 inbox = folder_find_item_from_path(account->inbox);
1022                 if (!inbox)
1023                         inbox = folder_get_default_inbox();
1024         } else
1025                 inbox = folder_get_default_inbox();
1026
1027         get_spool(inbox, account->local_mbox);
1028 }
1029
1030 static void inc_all_spool(void)
1031 {
1032         GList *list = NULL;
1033
1034         list = account_get_list();
1035         if (!list) return;
1036
1037         for (; list != NULL; list = list->next) {
1038                 IncSession *session;
1039                 PrefsAccount *account = list->data;
1040
1041                 if (account->protocol == A_LOCAL)
1042                         inc_spool_account(account);
1043         }
1044 }
1045
1046 static gint get_spool(FolderItem *dest, const gchar *mbox)
1047 {
1048         gint msgs, size;
1049         gint lockfd;
1050         gchar tmp_mbox[MAXPATHLEN + 1];
1051         GHashTable *folder_table = NULL;
1052
1053         g_return_val_if_fail(dest != NULL, -1);
1054         g_return_val_if_fail(mbox != NULL, -1);
1055
1056         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1057                 debug_print(_("no messages in local mailbox.\n"));
1058                 return 0;
1059         } else if (size < 0)
1060                 return -1;
1061
1062         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1063                 return -1;
1064
1065         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1066                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1067
1068         if (copy_mbox(mbox, tmp_mbox) < 0) {
1069                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1070                 return -1;
1071         }
1072
1073         debug_print(_("Getting new messages from %s into %s...\n"),
1074                     mbox, dest->path);
1075
1076         if (prefs_common.filter_on_inc)
1077                 folder_table = g_hash_table_new(NULL, NULL);
1078         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1079
1080         unlink(tmp_mbox);
1081         if (msgs >= 0) empty_mbox(mbox);
1082         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1083
1084         if (folder_table) {
1085                 if (!prefs_common.scan_all_after_inc) {
1086                 g_hash_table_insert(folder_table, dest,
1087                                     GINT_TO_POINTER(1));
1088                         folder_item_scan_foreach(folder_table);
1089                         folderview_update_item_foreach(folder_table);
1090                 }
1091                 g_hash_table_destroy(folder_table);
1092         } else if (!prefs_common.scan_all_after_inc) {
1093                 folder_item_scan(dest);
1094                 folderview_update_item(dest, FALSE);
1095         }
1096
1097         return msgs;
1098 }
1099
1100 void inc_lock(void)
1101 {
1102         inc_lock_count++;
1103 }
1104
1105 void inc_unlock(void)
1106 {
1107         if (inc_lock_count > 0)
1108                 inc_lock_count--;
1109 }
1110
1111 static guint autocheck_timer = 0;
1112 static gpointer autocheck_data = NULL;
1113
1114 void inc_autocheck_timer_init(MainWindow *mainwin)
1115 {
1116         autocheck_data = mainwin;
1117         inc_autocheck_timer_set();
1118 }
1119
1120 static void inc_autocheck_timer_set_interval(guint interval)
1121 {
1122         inc_autocheck_timer_remove();
1123
1124         if (prefs_common.autochk_newmail && autocheck_data) {
1125                 autocheck_timer = gtk_timeout_add
1126                         (interval, inc_autocheck_func, autocheck_data);
1127                 debug_print("added timer = %d\n", autocheck_timer);
1128         }
1129 }
1130
1131 void inc_autocheck_timer_set(void)
1132 {
1133         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1134 }
1135
1136 void inc_autocheck_timer_remove(void)
1137 {
1138         if (autocheck_timer) {
1139                 debug_print("removed timer = %d\n", autocheck_timer);
1140                 gtk_timeout_remove(autocheck_timer);
1141                 autocheck_timer = 0;
1142         }
1143 }
1144
1145 static gint inc_autocheck_func(gpointer data)
1146 {
1147         MainWindow *mainwin = (MainWindow *)data;
1148
1149         if (inc_lock_count) {
1150                 debug_print("autocheck is locked.\n");
1151                 inc_autocheck_timer_set_interval(1000);
1152                 return FALSE;
1153         }
1154
1155         inc_all_account_mail(mainwin);
1156
1157         return FALSE;
1158 }