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 GList *inc_dialog_list = NULL;
  70
  71 static guint inc_lock_count = 0;
  72
  73 static GdkPixmap *currentxpm;
  74 static GdkBitmap *currentxpmmask;
  75 static GdkPixmap *errorxpm;
  76 static GdkBitmap *errorxpmmask;
  77 static GdkPixmap *okxpm;
  78 static GdkBitmap *okxpmmask;
  79
  80 #define MSGBUFSIZE      8192
  81
  82 static void inc_finished                (MainWindow             *mainwin,
  83                                          gboolean                new_messages);
  84 static gint inc_account_mail            (PrefsAccount           *account,
  85                                          MainWindow             *mainwin);
  86
  87 static IncProgressDialog *inc_progress_dialog_create    (void);
  88 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  89
  90 static IncSession *inc_session_new      (PrefsAccount           *account);
  91 static void inc_session_destroy         (IncSession             *session);
  92 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  93 static void inc_pop3_state_destroy      (Pop3State              *state);
  94 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  95 static IncState inc_pop3_session_do     (IncSession             *session);
  96 static gint pop3_automaton_terminate    (SockInfo               *source,
  97                                          Automaton              *atm);
  98
  99 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
 100 static void inc_write_uidl_list         (Pop3State              *state);
 101
 102 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
 103                                          gint            count,
 104                                          gint            read_bytes,
 105                                          gpointer        data);
 106
 107 static void inc_put_error               (IncState        istate);
 108
 109 static void inc_cancel_cb               (GtkWidget      *widget,
 110                                          gpointer        data);
 111
 112 static gint inc_spool                   (void);
 113 static gint get_spool                   (FolderItem     *dest,
 114                                          const gchar    *mbox);
 115
 116 static void inc_all_spool(void);
 117 static void inc_autocheck_timer_set_interval    (guint           interval);
 118 static gint inc_autocheck_func                  (gpointer        data);
 119
 120 static void inc_notify_cmd              (gint new_msgs,
 121                                          gboolean notify);
 122
 123 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 124         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 125         : FALSE
 126
 127 /**
 128  * inc_finished:
 129  * @mainwin: Main window.
 130  * @new_messages: TRUE if some messages have been received.
 131  *
 132  * Update the folder view and the summary view after receiving
 133  * messages.  If @new_messages is FALSE, this function avoids unneeded
 134  * updating.
 135  **/
 136 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 137 {
 138         FolderItem *item;
 139
 140         if (prefs_common.scan_all_after_inc)
 141                 folderview_check_new(NULL);
 142
 143         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 144
 145         if (prefs_common.open_inbox_on_inc) {
 146                 item = cur_account && cur_account->inbox
 147                         ? folder_find_item_from_path(cur_account->inbox)
 148                         : folder_get_default_inbox();
 149                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 150                         folderview_unselect(mainwin->folderview);
 151                         folderview_select(mainwin->folderview, item);
 152                 }
 153         } else {
 154                 item = mainwin->summaryview->folder_item;
 155                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 156                         folderview_unselect(mainwin->folderview);
 157                         folderview_select(mainwin->folderview, item);
 158                 }
 159         }
 160 }
 161
 162 void inc_mail(MainWindow *mainwin, gboolean notify)
 163 {
 164         gint new_msgs = 0;
 165
 166         if (inc_lock_count) return;
 167
 168         inc_autocheck_timer_remove();
 169         summary_write_cache(mainwin->summaryview);
 170         main_window_lock(mainwin);
 171
 172         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 173                 /* external incorporating program */
 174                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 175                         main_window_unlock(mainwin);
 176                         inc_autocheck_timer_set();
 177                         return;
 178                 }
 179
 180                 if (prefs_common.inc_local)
 181                         new_msgs = inc_spool();
 182         } else {
 183                 if (prefs_common.inc_local)
 184                         new_msgs = inc_spool();
 185
 186                 new_msgs += inc_account_mail(cur_account, mainwin);
 187         }
 188
 189         inc_finished(mainwin, new_msgs > 0);
 190         main_window_unlock(mainwin);
 191         inc_notify_cmd(new_msgs, notify);
 192         inc_autocheck_timer_set();
 193 }
 194
 195 gint inc_selective_download(MainWindow *mainwin, gint session_type)
 196 {
 197         PrefsAccount *account = cur_account;
 198         gint new_msgs = 0;
 199
 200         account->session_type = session_type;
 201         new_msgs = inc_account_mail(account, mainwin);
 202         account->session_type = RETR_NORMAL;
 203
 204         return new_msgs;
 205 }
 206
 207 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 208 {
 209         IncProgressDialog *inc_dialog;
 210         IncSession *session;
 211         gchar *text[3];
 212
 213         if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
 214                 folderview_check_new(FOLDER(account->folder));
 215                 return 1;
 216         }
 217
 218         session = inc_session_new(account);
 219         if (!session) return 0;
 220
 221         inc_dialog = inc_progress_dialog_create();
 222         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 223         inc_dialog->mainwin = mainwin;
 224         session->data = inc_dialog;
 225
 226         text[0] = NULL;
 227         text[1] = account->account_name;
 228         text[2] = _("Standby");
 229         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 230
 231         main_window_set_toolbar_sensitive(mainwin);
 232         main_window_set_menu_sensitive(mainwin);
 233
 234         return inc_start(inc_dialog);
 235 }
 236
 237 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 238 {
 239         GList *list, *queue_list = NULL;
 240         IncProgressDialog *inc_dialog;
 241         gint new_msgs = 0;
 242
 243         if (inc_lock_count) return;
 244
 245         inc_autocheck_timer_remove();
 246         summary_write_cache(mainwin->summaryview);
 247         main_window_lock(mainwin);
 248
 249         if (prefs_common.inc_local)
 250                 new_msgs = inc_spool();
 251
 252         list = account_get_list();
 253         if (!list) {
 254                 inc_finished(mainwin, new_msgs > 0);
 255                 main_window_unlock(mainwin);
 256                 inc_notify_cmd(new_msgs, notify);
 257                 inc_autocheck_timer_set();
 258                 return;
 259         }
 260
 261         /* check IMAP4 folders */
 262         for (; list != NULL; list = list->next) {
 263                 PrefsAccount *account = list->data;
 264                 if ((account->protocol == A_IMAP4 ||
 265                      account->protocol == A_NNTP) && account->recv_at_getall)
 266                         folderview_check_new(FOLDER(account->folder));
 267         }
 268
 269         /* check POP3 accounts */
 270         for (list = account_get_list(); list != NULL; list = list->next) {
 271                 IncSession *session;
 272                 PrefsAccount *account = list->data;
 273                 account->session_type = RETR_NORMAL;
 274                 if (account->recv_at_getall) {
 275                         session = inc_session_new(account);
 276                         if (session)
 277                                 queue_list = g_list_append(queue_list, session);
 278                 }
 279         }
 280
 281         if (!queue_list) {
 282                 inc_finished(mainwin, new_msgs > 0);
 283                 main_window_unlock(mainwin);
 284                 inc_notify_cmd(new_msgs, notify);
 285                 inc_autocheck_timer_set();
 286                 return;
 287         }
 288
 289         inc_dialog = inc_progress_dialog_create();
 290         inc_dialog->queue_list = queue_list;
 291         inc_dialog->mainwin = mainwin;
 292         for (list = queue_list; list != NULL; list = list->next) {
 293                 IncSession *session = list->data;
 294                 gchar *text[3];
 295
 296                 session->data = inc_dialog;
 297
 298                 text[0] = NULL;
 299                 text[1] = session->pop3_state->ac_prefs->account_name;
 300                 text[2] = _("Standby");
 301                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 302         }
 303
 304         main_window_set_toolbar_sensitive(mainwin);
 305         main_window_set_menu_sensitive(mainwin);
 306
 307         new_msgs += inc_start(inc_dialog);
 308
 309         inc_finished(mainwin, new_msgs > 0);
 310         main_window_unlock(mainwin);
 311         inc_notify_cmd(new_msgs, notify);
 312         inc_autocheck_timer_set();
 313 }
 314
 315 static IncProgressDialog *inc_progress_dialog_create(void)
 316 {
 317         IncProgressDialog *dialog;
 318         ProgressDialog *progress;
 319
 320         dialog = g_new0(IncProgressDialog, 1);
 321
 322         progress = progress_dialog_create();
 323         gtk_window_set_title(GTK_WINDOW(progress->window),
 324                              _("Retrieving new messages"));
 325         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 326                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 327         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 328                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 329         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 330
 331         progress_dialog_set_value(progress, 0.0);
 332
 333         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 334                          &okxpm, &okxpmmask);
 335         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 336                          &currentxpm, &currentxpmmask);
 337         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 338                          &errorxpm, &errorxpmmask);
 339
 340         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 341             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 342              manage_window_get_focus_window())) {
 343                 dialog->show_dialog = TRUE;
 344                 gtk_widget_show_now(progress->window);
 345         }
 346
 347         dialog->dialog = progress;
 348         dialog->queue_list = NULL;
 349
 350         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 351
 352         return dialog;
 353 }
 354
 355 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 356 {
 357         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 358         progress_dialog_set_label(inc_dialog->dialog, "");
 359         gtk_progress_bar_update
 360                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 361 }
 362
 363 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 364 {
 365         g_return_if_fail(inc_dialog != NULL);
 366
 367         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 368
 369         gtk_progress_bar_update
 370                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 371         progress_dialog_destroy(inc_dialog->dialog);
 372
 373         g_free(inc_dialog);
 374 }
 375
 376 static IncSession *inc_session_new(PrefsAccount *account)
 377 {
 378         IncSession *session;
 379
 380         g_return_val_if_fail(account != NULL, NULL);
 381
 382         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 383                 return NULL;
 384         if (!account->recv_server || !account->userid)
 385                 return NULL;
 386
 387         session = g_new0(IncSession, 1);
 388         session->pop3_state = inc_pop3_state_new(account);
 389         session->pop3_state->session = session;
 390
 391         return session;
 392 }
 393
 394 static void inc_session_destroy(IncSession *session)
 395 {
 396         g_return_if_fail(session != NULL);
 397
 398         inc_pop3_state_destroy(session->pop3_state);
 399         g_free(session);
 400 }
 401
 402 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 403 {
 404         Pop3State *state;
 405
 406         state = g_new0(Pop3State, 1);
 407
 408         state->ac_prefs = account;
 409         state->folder_table = g_hash_table_new(NULL, NULL);
 410         state->uidl_table = inc_get_uidl_table(account);
 411         state->inc_state = INC_SUCCESS;
 412
 413         return state;
 414 }
 415
 416 static void inc_pop3_state_destroy(Pop3State *state)
 417 {
 418         gint n;
 419
 420         g_hash_table_destroy(state->folder_table);
 421
 422         for (n = 1; n <= state->count; n++)
 423                 g_free(state->msg[n].uidl);
 424         g_free(state->msg);
 425
 426         if (state->uidl_table) {
 427                 hash_free_strings(state->uidl_table);
 428                 g_hash_table_destroy(state->uidl_table);
 429         }
 430
 431         g_free(state->greeting);
 432         g_free(state->user);
 433         g_free(state->pass);
 434         g_free(state->prev_folder);
 435
 436         g_free(state);
 437 }
 438
 439 static gint inc_start(IncProgressDialog *inc_dialog)
 440 {
 441         IncSession *session;
 442         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 443         Pop3State *pop3_state;
 444         IncState inc_state;
 445         gint num = 0;
 446         gint error_num = 0;
 447         gint new_msgs = 0;
 448
 449         while (inc_dialog->queue_list != NULL) {
 450                 session = inc_dialog->queue_list->data;
 451                 pop3_state = session->pop3_state;
 452
 453                 inc_progress_dialog_clear(inc_dialog);
 454
 455                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 456
 457                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 458                 if (pop3_state->ac_prefs->passwd)
 459                         pop3_state->pass =
 460                                 g_strdup(pop3_state->ac_prefs->passwd);
 461                 else if (pop3_state->ac_prefs->tmp_pass)
 462                         pop3_state->pass =
 463                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 464                 else {
 465                         gchar *pass;
 466
 467                         pass = input_dialog_query_password
 468                                 (pop3_state->ac_prefs->recv_server,
 469                                  pop3_state->user);
 470
 471                         if (inc_dialog->show_dialog)
 472                                 manage_window_focus_in
 473                                         (inc_dialog->mainwin->window,
 474                                          NULL, NULL);
 475                         if (pass) {
 476                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 477                                 pop3_state->pass = pass;
 478                         } else {
 479                                 inc_session_destroy(session);
 480                                 inc_dialog->queue_list = g_list_remove
 481                                         (inc_dialog->queue_list, session);
 482                                 continue;
 483                         }
 484                 }
 485
 486                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 487                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 488
 489                 /* begin POP3 session */
 490                 inc_state = inc_pop3_session_do(session);
 491
 492                 if (inc_state == INC_SUCCESS) {
 493                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 494                         gtk_clist_set_text(clist, num, 2, _("Done"));
 495                 } else if (inc_state == INC_CANCEL) {
 496                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 497                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 498                 } else {
 499                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 500                         if (inc_state == INC_CONNECT_ERROR)
 501                                 gtk_clist_set_text(clist, num, 2,
 502                                                    _("Connection failed"));
 503                         else if (inc_state == INC_AUTH_FAILED)
 504                                 gtk_clist_set_text(clist, num, 2,
 505                                                    _("Auth failed"));
 506                         else
 507                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 508                 }
 509
 510                 if (pop3_state->error_val == PS_AUTHFAIL) {
 511                         if(!prefs_common.noerrorpanel) {
 512                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 513                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 514                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 515                                 }
 516                                 alertpanel_error
 517                                         (_("Authorization for %s on %s failed"),
 518                                          pop3_state->user,
 519                                          pop3_state->ac_prefs->recv_server);
 520                         }
 521                 }
 522
 523                 statusbar_pop_all();
 524
 525                 /* CLAWS: perform filtering actions on dropped message */
 526                 if (global_processing != NULL) {
 527                         FolderItem *processing, *inbox;
 528                         Folder *folder;
 529                         MsgInfo *msginfo;
 530                         GSList *msglist, *msglist_element;
 531
 532                         /* CLAWS: get default inbox (perhaps per account) */
 533                         if (pop3_state->ac_prefs->inbox) {
 534                                 /* CLAWS: get destination folder / mailbox */
 535                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 536                                 if (!inbox)
 537                                         inbox = folder_get_default_inbox();
 538                         } else
 539                                 inbox = folder_get_default_inbox();
 540
 541                         /* get list of messages in processing */
 542                         processing = folder_get_default_processing();
 543                         folder_item_scan(processing);
 544                         folder = processing->folder;
 545                         msglist = folder->get_msg_list(folder, processing, FALSE);
 546
 547                         /* process messages */
 548                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 549                                 msginfo = (MsgInfo *) msglist_element->data;
 550                                 /* filter if enabled in prefs or move to inbox if not */
 551                                 if(pop3_state->ac_prefs->filter_on_recv) {
 552                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 553                                                                              pop3_state->folder_table,
 554                                                                              inbox);
 555                                 } else {
 556                                         folder_item_move_msg(inbox, msginfo);
 557                                         g_hash_table_insert(pop3_state->folder_table, inbox,
 558                                                             GINT_TO_POINTER(1));
 559                                 }
 560                                 procmsg_msginfo_free(msginfo);
 561                         }
 562                         g_slist_free(msglist);
 563                 }
 564
 565
 566                 new_msgs += pop3_state->cur_total_num;
 567
 568                 if (!prefs_common.scan_all_after_inc) {
 569                         folder_item_scan_foreach(pop3_state->folder_table);
 570                         folderview_update_item_foreach
 571                                 (pop3_state->folder_table);
 572                 }
 573
 574                 if (pop3_state->error_val == PS_AUTHFAIL &&
 575                     pop3_state->ac_prefs->tmp_pass) {
 576                         g_free(pop3_state->ac_prefs->tmp_pass);
 577                         pop3_state->ac_prefs->tmp_pass = NULL;
 578                 }
 579
 580                 inc_write_uidl_list(pop3_state);
 581
 582                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 583                         error_num++;
 584                         if (inc_state == INC_NOSPACE) {
 585                                 inc_put_error(inc_state);
 586                                 break;
 587                         }
 588                 }
 589
 590                 inc_session_destroy(session);
 591                 inc_dialog->queue_list =
 592                         g_list_remove(inc_dialog->queue_list, session);
 593
 594                 num++;
 595         }
 596
 597         if (error_num && !prefs_common.noerrorpanel) {
 598                 if (inc_dialog->show_dialog)
 599                         manage_window_focus_in(inc_dialog->dialog->window,
 600                                                NULL, NULL);
 601                 alertpanel_error(_("Some errors occured while getting mail."));
 602                 if (inc_dialog->show_dialog)
 603                         manage_window_focus_out(inc_dialog->dialog->window,
 604                                                 NULL, NULL);
 605         }
 606
 607         while (inc_dialog->queue_list != NULL) {
 608                 session = inc_dialog->queue_list->data;
 609                 inc_session_destroy(session);
 610                 inc_dialog->queue_list =
 611                         g_list_remove(inc_dialog->queue_list, session);
 612         }
 613
 614         inc_progress_dialog_destroy(inc_dialog);
 615
 616         return new_msgs;
 617 }
 618
 619 static IncState inc_pop3_session_do(IncSession *session)
 620 {
 621         Pop3State *pop3_state = session->pop3_state;
 622         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 623         Automaton *atm;
 624         SockInfo *sockinfo;
 625         gint i;
 626         gchar *server;
 627         gushort port;
 628         gchar *buf;
 629         static AtmHandler handlers[] = {
 630                 pop3_greeting_recv      ,
 631                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 632                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 633                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 634                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 635                 pop3_getrange_last_send , pop3_getrange_last_recv,
 636                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 637                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 638                 pop3_top_send           , pop3_top_recv,
 639                 pop3_retr_send          , pop3_retr_recv,
 640                 pop3_delete_send        , pop3_delete_recv,
 641                 pop3_logout_send        , pop3_logout_recv
 642         };
 643
 644         debug_print(_("getting new messages of account %s...\n"),
 645                     pop3_state->ac_prefs->account_name);
 646
 647         atm = automaton_create(N_POP3_PHASE);
 648
 649         session->atm = atm;
 650         atm->data = pop3_state;
 651
 652         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 653                               pop3_state->ac_prefs->recv_server);
 654         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 655         g_free(buf);
 656
 657         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 658                 atm->state[i].handler = handlers[i];
 659         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 660         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 661                 atm->state[i++].condition = GDK_INPUT_WRITE;
 662                 atm->state[i++].condition = GDK_INPUT_READ;
 663         }
 664
 665         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 666
 667         atm->num = POP3_GREETING_RECV;
 668
 669         server = pop3_state->ac_prefs->recv_server;
 670 #if USE_SSL
 671         port = pop3_state->ac_prefs->set_popport ?
 672                 pop3_state->ac_prefs->popport :
 673                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 674 #else
 675         port = pop3_state->ac_prefs->set_popport ?
 676                 pop3_state->ac_prefs->popport : 110;
 677 #endif
 678
 679         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 680         log_message("%s\n", buf);
 681         progress_dialog_set_label(inc_dialog->dialog, buf);
 682         g_free(buf);
 683         GTK_EVENTS_FLUSH();
 684         statusbar_pop_all();
 685
 686         if ((sockinfo = sock_connect(server, port)) == NULL) {
 687                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 688                             server, port);
 689                 if(!prefs_common.noerrorpanel) {
 690                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 691                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 692                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 693                         }
 694                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 695                                          server, port);
 696                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 697                 }
 698                 pop3_automaton_terminate(NULL, atm);
 699                 automaton_destroy(atm);
 700                 return INC_CONNECT_ERROR;
 701         }
 702
 703 #if USE_SSL
 704         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 705                 pop3_automaton_terminate(NULL, atm);
 706                 automaton_destroy(atm);
 707                 return INC_CONNECT_ERROR;
 708         }
 709 #endif
 710
 711         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 712          * to the sock structure - implement a reference counter?? */
 713         pop3_state->sockinfo = sockinfo;
 714         atm->help_sock = sockinfo;
 715
 716         log_verbosity_set(TRUE);
 717         recv_set_ui_func(inc_pop3_recv_func, session);
 718
 719         atm->tag = sock_gdk_input_add(sockinfo,
 720                                       atm->state[atm->num].condition,
 721                                       automaton_input_cb, atm);
 722
 723         while (!atm->terminated)
 724                 gtk_main_iteration();
 725
 726         log_verbosity_set(FALSE);
 727         recv_set_ui_func(NULL, NULL);
 728
 729         automaton_destroy(atm);
 730
 731         return pop3_state->inc_state;
 732 }
 733
 734 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 735 {
 736         if (atm->terminated) return 0;
 737
 738         if (atm->tag > 0) {
 739                 gdk_input_remove(atm->tag);
 740                 atm->tag = 0;
 741         }
 742         if (atm->timeout_tag > 0) {
 743                 gtk_timeout_remove(atm->timeout_tag);
 744                 atm->timeout_tag = 0;
 745         }
 746         if (source)
 747                 sock_close(source);
 748
 749         atm->terminated = TRUE;
 750
 751         return 0;
 752 }
 753
 754 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 755 {
 756         GHashTable *table;
 757         gchar *path;
 758         FILE *fp;
 759         gchar buf[IDLEN + 3];
 760
 761         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 762                            "uidl-", ac_prefs->recv_server,
 763                            "-", ac_prefs->userid, NULL);
 764         if ((fp = fopen(path, "r")) == NULL) {
 765                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 766                 g_free(path);
 767                 return NULL;
 768         }
 769         g_free(path);
 770
 771         table = g_hash_table_new(g_str_hash, g_str_equal);
 772
 773         while (fgets(buf, sizeof(buf), fp) != NULL) {
 774                 strretchomp(buf);
 775                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 776         }
 777
 778         fclose(fp);
 779
 780         return table;
 781 }
 782
 783 static void inc_write_uidl_list(Pop3State *state)
 784 {
 785         gchar *path;
 786         FILE *fp;
 787         gint n;
 788
 789         if (!state->uidl_is_valid) return;
 790
 791         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 792                            "uidl-", state->ac_prefs->recv_server,
 793                            "-", state->user, NULL);
 794         if ((fp = fopen(path, "w")) == NULL) {
 795                 FILE_OP_ERROR(path, "fopen");
 796                 g_free(path);
 797                 return;
 798         }
 799
 800         for (n = 1; n <= state->count; n++) {
 801                 if (state->msg[n].uidl && state->msg[n].received &&
 802                     !state->msg[n].deleted) {
 803                         if (fputs(state->msg[n].uidl, fp) == EOF) {
 804                                 FILE_OP_ERROR(path, "fputs");
 805                                 break;
 806                         }
 807                         if (fputc('\n', fp) == EOF) {
 808                                 FILE_OP_ERROR(path, "fputc");
 809                                 break;
 810                         }
 811                 }
 812         }
 813
 814         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 815         g_free(path);
 816 }
 817
 818 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 819                                    gpointer data)
 820 {
 821         gchar buf[MSGBUFSIZE];
 822         IncSession *session = (IncSession *)data;
 823         Pop3State *state = session->pop3_state;
 824         IncProgressDialog *inc_dialog = session->data;
 825         ProgressDialog *dialog = inc_dialog->dialog;
 826         gint cur_total;
 827         gchar *total_size;
 828
 829         cur_total = state->cur_total_bytes + read_bytes;
 830         if (cur_total > state->total_bytes)
 831                 cur_total = state->total_bytes;
 832
 833         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 834                   return FALSE);
 835         g_snprintf(buf, sizeof(buf),
 836                    _("Retrieving message (%d / %d) (%s / %s)"),
 837                    state->cur_msg, state->count,
 838                    to_human_readable(cur_total), total_size);
 839         progress_dialog_set_label(dialog, buf);
 840
 841         progress_dialog_set_percentage
 842                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 843         gtk_progress_bar_update
 844                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 845                  (gfloat)cur_total / (gfloat)state->total_bytes);
 846         GTK_EVENTS_FLUSH();
 847
 848         if (state->inc_state == INC_CANCEL)
 849                 return FALSE;
 850         else
 851                 return TRUE;
 852 }
 853
 854 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 855 {
 856         gchar buf[MSGBUFSIZE];
 857         IncProgressDialog *inc_dialog = state->session->data;
 858         ProgressDialog *dialog = inc_dialog->dialog;
 859         gchar *total_size;
 860
 861         switch (phase) {
 862         case POP3_GREETING_RECV:
 863                 break;
 864         case POP3_GETAUTH_USER_SEND:
 865         case POP3_GETAUTH_USER_RECV:
 866         case POP3_GETAUTH_PASS_SEND:
 867         case POP3_GETAUTH_PASS_RECV:
 868         case POP3_GETAUTH_APOP_SEND:
 869         case POP3_GETAUTH_APOP_RECV:
 870                 progress_dialog_set_label(dialog, _("Authenticating..."));
 871                 break;
 872         case POP3_GETRANGE_STAT_SEND:
 873         case POP3_GETRANGE_STAT_RECV:
 874                 progress_dialog_set_label
 875                         (dialog, _("Getting the number of new messages (STAT)..."));
 876                 break;
 877         case POP3_GETRANGE_LAST_SEND:
 878         case POP3_GETRANGE_LAST_RECV:
 879                 progress_dialog_set_label
 880                         (dialog, _("Getting the number of new messages (LAST)..."));
 881                 break;
 882         case POP3_GETRANGE_UIDL_SEND:
 883         case POP3_GETRANGE_UIDL_RECV:
 884                 progress_dialog_set_label
 885                         (dialog, _("Getting the number of new messages (UIDL)..."));
 886                 break;
 887         case POP3_GETSIZE_LIST_SEND:
 888         case POP3_GETSIZE_LIST_RECV:
 889                 progress_dialog_set_label
 890                         (dialog, _("Getting the size of messages (LIST)..."));
 891                 break;
 892         case POP3_TOP_SEND:
 893         case POP3_TOP_RECV:
 894                 g_snprintf(buf, sizeof(buf),
 895                            _("Retrieving header (%d / %d)"),
 896                            state->cur_msg, state->count);
 897                 progress_dialog_set_label (dialog, buf);
 898                 progress_dialog_set_percentage
 899                         (dialog,
 900                          (gfloat)(state->cur_msg) /
 901                          (gfloat)(state->count));
 902                 gtk_progress_bar_update
 903                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 904                          (gfloat)(state->cur_msg) /
 905                          (gfloat)(state->count));
 906                 break;
 907         case POP3_RETR_SEND:
 908         case POP3_RETR_RECV:
 909                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 910                 g_snprintf(buf, sizeof(buf),
 911                            _("Retrieving message (%d / %d) (%s / %s)"),
 912                            state->cur_msg, state->count,
 913                            to_human_readable(state->cur_total_bytes),
 914                            total_size);
 915                 progress_dialog_set_label(dialog, buf);
 916                 progress_dialog_set_percentage
 917                         (dialog,
 918                          (gfloat)(state->cur_total_bytes) /
 919                          (gfloat)(state->total_bytes));
 920                 gtk_progress_bar_update
 921                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 922                          (gfloat)(state->cur_total_bytes) /
 923                          (gfloat)(state->total_bytes));
 924                 break;
 925         case POP3_DELETE_SEND:
 926         case POP3_DELETE_RECV:
 927                 progress_dialog_set_label(dialog, _("Deleting message"));
 928                 break;
 929         case POP3_LOGOUT_SEND:
 930         case POP3_LOGOUT_RECV:
 931                 progress_dialog_set_label(dialog, _("Quitting"));
 932                 break;
 933         default:
 934                 break;
 935         }
 936 }
 937
 938 gint inc_drop_message(const gchar *file, Pop3State *state)
 939 {
 940         FolderItem *inbox;
 941         FolderItem *dropfolder;
 942         gint val;
 943         gint msgnum;
 944
 945         /* CLAWS: get default inbox (perhaps per account) */
 946         if (state->ac_prefs->inbox) {
 947                 /* CLAWS: get destination folder / mailbox */
 948                 inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
 949                 if (!inbox)
 950                         inbox = folder_get_default_inbox();
 951         } else
 952                 inbox = folder_get_default_inbox();
 953         if (!inbox) {
 954                 unlink(file);
 955                 return -1;
 956         }
 957
 958         /* CLAWS: claws uses a global .processing folder for the filtering. */
 959         if (global_processing == NULL) {
 960                 if (state->ac_prefs->filter_on_recv) {
 961                         dropfolder =
 962                                 filter_get_dest_folder(prefs_common.fltlist, file);
 963                         if (!dropfolder) dropfolder = inbox;
 964                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 965                                 g_warning(_("a message won't be received\n"));
 966                                 return 1;
 967                         }
 968                 } else
 969                         dropfolder = inbox;
 970         } else {
 971                 dropfolder = folder_get_default_processing();
 972         }
 973
 974         val = GPOINTER_TO_INT(g_hash_table_lookup
 975                               (state->folder_table, dropfolder));
 976         if (val == 0) {
 977                 folder_item_scan(dropfolder);
 978                 g_hash_table_insert(state->folder_table, dropfolder,
 979                                     GINT_TO_POINTER(1));
 980         }
 981
 982         /* add msg file to drop folder */
 983         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 984                 unlink(file);
 985                 return -1;
 986         }
 987
 988         return 0;
 989 }
 990
 991 static void inc_put_error(IncState istate)
 992 {
 993         switch (istate) {
 994         case INC_ERROR:
 995                 if(!prefs_common.noerrorpanel) {
 996                         alertpanel_error(_("Error occurred while processing mail."));
 997                 }
 998                 break;
 999         case INC_NOSPACE:
1000                 alertpanel_error(_("No disk space left."));
1001                 break;
1002         default:
1003                 break;
1004         }
1005 }
1006
1007 static void inc_cancel(IncProgressDialog *dialog)
1008 {
1009         IncSession *session;
1010         SockInfo *sockinfo;
1011
1012         g_return_if_fail(dialog != NULL);
1013
1014         session = dialog->queue_list->data;
1015         sockinfo = session->pop3_state->sockinfo;
1016
1017         if (!sockinfo || session->atm->terminated == TRUE) return;
1018
1019         session->pop3_state->inc_state = INC_CANCEL;
1020         pop3_automaton_terminate(sockinfo, session->atm);
1021         session->pop3_state->sockinfo = NULL;
1022 }
1023
1024 gboolean inc_is_active(void)
1025 {
1026         return (inc_dialog_list != NULL);
1027 }
1028
1029 void inc_cancel_all(void)
1030 {
1031         GList *cur;
1032
1033         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1034                 inc_cancel((IncProgressDialog *)cur->data);
1035 }
1036
1037 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1038 {
1039         inc_cancel((IncProgressDialog *)data);
1040 }
1041
1042 static gint inc_spool(void)
1043 {
1044         gchar *mbox, *logname;
1045         gint msgs;
1046
1047         logname = g_get_user_name();
1048         mbox = g_strconcat(prefs_common.spool_path
1049                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1050                            G_DIR_SEPARATOR_S, logname, NULL);
1051         msgs = get_spool(folder_get_default_inbox(), mbox);
1052         g_free(mbox);
1053
1054         return msgs;
1055 }
1056
1057 static void inc_spool_account(PrefsAccount *account)
1058 {
1059         FolderItem *inbox;
1060         FolderItem *dropfolder;
1061         gint val;
1062
1063         if (account->inbox) {
1064                 inbox = folder_find_item_from_path(account->inbox);
1065                 if (!inbox)
1066                         inbox = folder_get_default_inbox();
1067         } else
1068                 inbox = folder_get_default_inbox();
1069
1070         get_spool(inbox, account->local_mbox);
1071 }
1072
1073 static void inc_all_spool(void)
1074 {
1075         GList *list = NULL;
1076
1077         list = account_get_list();
1078         if (!list) return;
1079
1080         for (; list != NULL; list = list->next) {
1081                 IncSession *session;
1082                 PrefsAccount *account = list->data;
1083
1084                 if (account->protocol == A_LOCAL)
1085                         inc_spool_account(account);
1086         }
1087 }
1088
1089 static gint get_spool(FolderItem *dest, const gchar *mbox)
1090 {
1091         gint msgs, size;
1092         gint lockfd;
1093         gchar tmp_mbox[MAXPATHLEN + 1];
1094         GHashTable *folder_table = NULL;
1095
1096         g_return_val_if_fail(dest != NULL, -1);
1097         g_return_val_if_fail(mbox != NULL, -1);
1098
1099         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1100                 debug_print(_("no messages in local mailbox.\n"));
1101                 return 0;
1102         } else if (size < 0)
1103                 return -1;
1104
1105         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1106                 return -1;
1107
1108         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1109                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1110
1111         if (copy_mbox(mbox, tmp_mbox) < 0) {
1112                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1113                 return -1;
1114         }
1115
1116         debug_print(_("Getting new messages from %s into %s...\n"),
1117                     mbox, dest->path);
1118
1119         if (prefs_common.filter_on_inc)
1120                 folder_table = g_hash_table_new(NULL, NULL);
1121         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1122
1123         unlink(tmp_mbox);
1124         if (msgs >= 0) empty_mbox(mbox);
1125         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1126
1127         if (folder_table) {
1128                 if (!prefs_common.scan_all_after_inc) {
1129                 g_hash_table_insert(folder_table, dest,
1130                                     GINT_TO_POINTER(1));
1131                         folder_item_scan_foreach(folder_table);
1132                         folderview_update_item_foreach(folder_table);
1133                 }
1134                 g_hash_table_destroy(folder_table);
1135         } else if (!prefs_common.scan_all_after_inc) {
1136                 folder_item_scan(dest);
1137                 folderview_update_item(dest, FALSE);
1138         }
1139
1140         return msgs;
1141 }
1142
1143 void inc_lock(void)
1144 {
1145         inc_lock_count++;
1146 }
1147
1148 void inc_unlock(void)
1149 {
1150         if (inc_lock_count > 0)
1151                 inc_lock_count--;
1152 }
1153
1154 static guint autocheck_timer = 0;
1155 static gpointer autocheck_data = NULL;
1156
1157 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1158 {
1159
1160         gchar *buf;
1161
1162         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1163             *prefs_common.newmail_notify_cmd))
1164                      return;
1165         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1166                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1167                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1168                                       new_msgs);
1169         else
1170                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1171
1172         system(buf);
1173
1174         g_free(buf);
1175 }
1176
1177 void inc_autocheck_timer_init(MainWindow *mainwin)
1178 {
1179         autocheck_data = mainwin;
1180         inc_autocheck_timer_set();
1181 }
1182
1183 static void inc_autocheck_timer_set_interval(guint interval)
1184 {
1185         inc_autocheck_timer_remove();
1186
1187         if (prefs_common.autochk_newmail && autocheck_data) {
1188                 autocheck_timer = gtk_timeout_add
1189                         (interval, inc_autocheck_func, autocheck_data);
1190                 debug_print("added timer = %d\n", autocheck_timer);
1191         }
1192 }
1193
1194 void inc_autocheck_timer_set(void)
1195 {
1196         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1197 }
1198
1199 void inc_autocheck_timer_remove(void)
1200 {
1201         if (autocheck_timer) {
1202                 debug_print("removed timer = %d\n", autocheck_timer);
1203                 gtk_timeout_remove(autocheck_timer);
1204                 autocheck_timer = 0;
1205         }
1206 }
1207
1208 static gint inc_autocheck_func(gpointer data)
1209 {
1210         MainWindow *mainwin = (MainWindow *)data;
1211
1212         if (inc_lock_count) {
1213                 debug_print("autocheck is locked.\n");
1214                 inc_autocheck_timer_set_interval(1000);
1215                 return FALSE;
1216         }
1217
1218         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1219
1220         return FALSE;
1221 }