src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #ifdef HAVE_LIBETPAN
  26
  27 #include "defs.h"
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <stdlib.h>
  34 #include <dirent.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37 #include <libetpan/libetpan.h>
  38
  39 #include "nntp-thread.h"
  40 #include "news.h"
  41 #include "news_gtk.h"
  42 #include "socket.h"
  43 #include "recv.h"
  44 #include "procmsg.h"
  45 #include "procheader.h"
  46 #include "folder.h"
  47 #include "session.h"
  48 #include "statusbar.h"
  49 #include "codeconv.h"
  50 #include "utils.h"
  51 #include "prefs_common.h"
  52 #include "prefs_account.h"
  53 #include "inputdialog.h"
  54 #include "log.h"
  55 #include "progressindicator.h"
  56 #include "remotefolder.h"
  57 #include "alertpanel.h"
  58 #include "inc.h"
  59 #ifdef USE_GNUTLS
  60 #  include "ssl.h"
  61 #endif
  62
  63 #define NNTP_PORT       119
  64 #ifdef USE_GNUTLS
  65 #define NNTPS_PORT      563
  66 #endif
  67
  68 typedef struct _NewsFolder      NewsFolder;
  69 typedef struct _NewsSession     NewsSession;
  70
  71 #define NEWS_FOLDER(obj)        ((NewsFolder *)obj)
  72 #define NEWS_SESSION(obj)       ((NewsSession *)obj)
  73
  74 struct _NewsFolder
  75 {
  76         RemoteFolder rfolder;
  77
  78         gboolean use_auth;
  79         gboolean lock_count;
  80         guint refcnt;
  81 };
  82
  83 struct _NewsSession
  84 {
  85         Session session;
  86         Folder *folder;
  87         gchar *group;
  88 };
  89
  90 static void news_folder_init(Folder *folder, const gchar *name,
  91                              const gchar *path);
  92
  93 static Folder   *news_folder_new        (const gchar    *name,
  94                                          const gchar    *folder);
  95 static void      news_folder_destroy    (Folder         *folder);
  96
  97 static gchar *news_fetch_msg            (Folder         *folder,
  98                                          FolderItem     *item,
  99                                          gint            num);
 100 static void news_remove_cached_msg      (Folder         *folder,
 101                                          FolderItem     *item,
 102                                          MsgInfo        *msginfo);
 103 #ifdef USE_GNUTLS
 104 static Session *news_session_new         (Folder        *folder,
 105                                           const gchar   *server,
 106                                           gushort        port,
 107                                           const gchar   *userid,
 108                                           const gchar   *passwd,
 109                                           SSLType        ssl_type);
 110 #else
 111 static Session *news_session_new         (Folder        *folder,
 112                                           const gchar   *server,
 113                                           gushort        port,
 114                                           const gchar   *userid,
 115                                           const gchar   *passwd);
 116 #endif
 117
 118 static gint news_get_article             (Folder        *folder,
 119                                           gint           num,
 120                                           gchar         *filename);
 121
 122 static gint news_select_group            (Folder        *folder,
 123                                           const gchar   *group,
 124                                           gint          *num,
 125                                           gint          *first,
 126                                           gint          *last);
 127 static MsgInfo *news_parse_xover         (struct newsnntp_xover_resp_item *item);
 128 static gint news_get_num_list                    (Folder        *folder,
 129                                           FolderItem    *item,
 130                                           GSList       **list,
 131                                           gboolean      *old_uids_valid);
 132 static MsgInfo *news_get_msginfo                 (Folder        *folder,
 133                                           FolderItem    *item,
 134                                           gint           num);
 135 static GSList *news_get_msginfos                 (Folder        *folder,
 136                                           FolderItem    *item,
 137                                           GSList        *msgnum_list);
 138 static gboolean news_scan_required               (Folder        *folder,
 139                                           FolderItem    *item);
 140
 141 static gchar *news_folder_get_path       (Folder        *folder);
 142 static gchar *news_item_get_path                 (Folder        *folder,
 143                                           FolderItem    *item);
 144 static void news_synchronise             (FolderItem    *item, gint days);
 145 static int news_remove_msg               (Folder        *folder,
 146                                           FolderItem    *item,
 147                                           gint           msgnum);
 148 static gint news_rename_folder           (Folder *folder,
 149                                           FolderItem *item,
 150                                           const gchar *name);
 151 static gint news_remove_folder           (Folder        *folder,
 152                                           FolderItem    *item);
 153 static FolderClass news_class;
 154
 155 FolderClass *news_get_class(void)
 156 {
 157         if (news_class.idstr == NULL) {
 158                 news_class.type = F_NEWS;
 159                 news_class.idstr = "news";
 160                 news_class.uistr = "News";
 161                 news_class.supports_server_search = FALSE;
 162
 163                 /* Folder functions */
 164                 news_class.new_folder = news_folder_new;
 165                 news_class.destroy_folder = news_folder_destroy;
 166
 167                 /* FolderItem functions */
 168                 news_class.item_get_path = news_item_get_path;
 169                 news_class.get_num_list = news_get_num_list;
 170                 news_class.scan_required = news_scan_required;
 171                 news_class.rename_folder = news_rename_folder;
 172                 news_class.remove_folder = news_remove_folder;
 173
 174                 /* Message functions */
 175                 news_class.get_msginfo = news_get_msginfo;
 176                 news_class.get_msginfos = news_get_msginfos;
 177                 news_class.fetch_msg = news_fetch_msg;
 178                 news_class.synchronise = news_synchronise;
 179                 news_class.search_msgs = folder_item_search_msgs_local;
 180                 news_class.remove_msg = news_remove_msg;
 181                 news_class.remove_cached_msg = news_remove_cached_msg;
 182         };
 183
 184         return &news_class;
 185 }
 186
 187 guint nntp_folder_get_refcnt(Folder *folder)
 188 {
 189         return ((NewsFolder *)folder)->refcnt;
 190 }
 191
 192 void nntp_folder_ref(Folder *folder)
 193 {
 194         ((NewsFolder *)folder)->refcnt++;
 195 }
 196
 197 void nntp_folder_unref(Folder *folder)
 198 {
 199         if (((NewsFolder *)folder)->refcnt > 0)
 200                 ((NewsFolder *)folder)->refcnt--;
 201 }
 202
 203 static int news_remove_msg               (Folder        *folder,
 204                                           FolderItem    *item,
 205                                           gint           msgnum)
 206 {
 207         gchar *path, *filename;
 208
 209         cm_return_val_if_fail(folder != NULL, -1);
 210         cm_return_val_if_fail(item != NULL, -1);
 211
 212         path = folder_item_get_path(item);
 213         if (!is_dir_exist(path))
 214                 make_dir_hier(path);
 215
 216         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
 217         g_free(path);
 218         claws_unlink(filename);
 219         g_free(filename);
 220         return 0;
 221 }
 222
 223 static void news_folder_lock(NewsFolder *folder)
 224 {
 225         folder->lock_count++;
 226 }
 227
 228 static void news_folder_unlock(NewsFolder *folder)
 229 {
 230         if (folder->lock_count > 0)
 231                 folder->lock_count--;
 232 }
 233
 234 int news_folder_locked(Folder *folder)
 235 {
 236         if (folder == NULL)
 237                 return 0;
 238
 239         return NEWS_FOLDER(folder)->lock_count;
 240 }
 241
 242 static Folder *news_folder_new(const gchar *name, const gchar *path)
 243 {
 244         Folder *folder;
 245
 246         folder = (Folder *)g_new0(NewsFolder, 1);
 247         folder->klass = &news_class;
 248         news_folder_init(folder, name, path);
 249
 250         return folder;
 251 }
 252
 253 static void news_folder_destroy(Folder *folder)
 254 {
 255         gchar *dir;
 256
 257         while (nntp_folder_get_refcnt(folder) > 0)
 258                 gtk_main_iteration();
 259
 260         dir = news_folder_get_path(folder);
 261         if (is_dir_exist(dir))
 262                 remove_dir_recursive(dir);
 263         g_free(dir);
 264
 265         nntp_done(folder);
 266         folder_remote_folder_destroy(REMOTE_FOLDER(folder));
 267 }
 268
 269 static void news_folder_init(Folder *folder, const gchar *name,
 270                              const gchar *path)
 271 {
 272         folder_remote_folder_init(folder, name, path);
 273 }
 274
 275 static void news_session_destroy(Session *session)
 276 {
 277         NewsSession *news_session = NEWS_SESSION(session);
 278
 279         cm_return_if_fail(session != NULL);
 280
 281         if (news_session->group)
 282                 g_free(news_session->group);
 283 }
 284
 285 static gboolean nntp_ping(gpointer data)
 286 {
 287         Session *session = (Session *)data;
 288         NewsSession *news_session = NEWS_SESSION(session);
 289         int r;
 290         struct tm lt;
 291
 292         if (session->state != SESSION_READY || news_folder_locked(news_session->folder))
 293                 return FALSE;
 294
 295         news_folder_lock(NEWS_FOLDER(news_session->folder));
 296
 297         if ((r = nntp_threaded_date(news_session->folder, &lt)) != NEWSNNTP_NO_ERROR) {
 298                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 299                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 300                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 301                               " disconnected.\n"),
 302                             news_session->folder->account->nntp_server,
 303                             news_session->folder->account->set_nntpport ?
 304                             news_session->folder->account->nntpport : NNTP_PORT);
 305                         REMOTE_FOLDER(news_session->folder)->session = NULL;
 306                         news_folder_unlock(NEWS_FOLDER(news_session->folder));
 307                         session->state = SESSION_DISCONNECTED;
 308                         session->sock = NULL;
 309                         session_destroy(session);
 310                         return FALSE;
 311                 }
 312         }
 313
 314         news_folder_unlock(NEWS_FOLDER(news_session->folder));
 315         session_set_access_time(session);
 316         return TRUE;
 317 }
 318
 319
 320 #ifdef USE_GNUTLS
 321 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 322                                  const gchar *userid, const gchar *passwd,
 323                                  SSLType ssl_type)
 324 #else
 325 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 326                                  const gchar *userid, const gchar *passwd)
 327 #endif
 328 {
 329         NewsSession *session;
 330         int r = 0;
 331         cm_return_val_if_fail(server != NULL, NULL);
 332
 333         log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s:%d...\n"),
 334                                     folder->account->account_name, server, port);
 335
 336         session = g_new0(NewsSession, 1);
 337         session_init(SESSION(session), folder->account, FALSE);
 338         SESSION(session)->type             = SESSION_NEWS;
 339         SESSION(session)->server           = g_strdup(server);
 340         SESSION(session)->port             = port;
 341         SESSION(session)->sock             = NULL;
 342         SESSION(session)->destroy          = news_session_destroy;
 343
 344         nntp_init(folder);
 345
 346 #ifdef USE_GNUTLS
 347         if (ssl_type != SSL_NONE)
 348                 r = nntp_threaded_connect_ssl(folder, server, port);
 349         else
 350 #endif
 351                 r = nntp_threaded_connect(folder, server, port);
 352
 353         if (r != NEWSNNTP_NO_ERROR) {
 354                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 355                 session_destroy(SESSION(session));
 356                 return NULL;
 357         }
 358
 359         session->folder = folder;
 360
 361         return SESSION(session);
 362 }
 363
 364 static Session *news_session_new_for_folder(Folder *folder)
 365 {
 366         Session *session;
 367         PrefsAccount *ac;
 368         const gchar *userid = NULL;
 369         gchar *passwd = NULL;
 370         gushort port;
 371         int r;
 372
 373         cm_return_val_if_fail(folder != NULL, NULL);
 374         cm_return_val_if_fail(folder->account != NULL, NULL);
 375
 376         ac = folder->account;
 377         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 378                 userid = ac->userid;
 379                 if (ac->passwd && ac->passwd[0])
 380                         passwd = g_strdup(ac->passwd);
 381                 else
 382                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 383                                                                   userid,
 384                                                                   &(ac->session_passwd));
 385         }
 386
 387 #ifdef USE_GNUTLS
 388         port = ac->set_nntpport ? ac->nntpport
 389                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 390         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 391                                    ac->ssl_nntp);
 392 #else
 393         if (ac->ssl_nntp != SSL_NONE) {
 394                 if (alertpanel_full(_("Insecure connection"),
 395                         _("This connection is configured to be secured "
 396                           "using SSL, but SSL is not available in this "
 397                           "build of Claws Mail. \n\n"
 398                           "Do you want to continue connecting to this "
 399                           "server? The communication would not be "
 400                           "secure."),
 401                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 402                           NULL, FALSE, NULL, ALERT_WARNING,
 403                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 404                         return NULL;
 405         }
 406         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 407         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 408 #endif
 409
 410         if (session != NULL)
 411                 r = nntp_threaded_mode_reader(folder);
 412         else
 413                 r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
 414
 415         if (r != NEWSNNTP_NO_ERROR) {
 416             if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 417                 /*
 418                    FIX ME when libetpan implements 480 to indicate authorization
 419                    is required to use this capability. Libetpan treats a 480 as a
 420                    381 which is clearly wrong.
 421                    RFC 4643 section 2.
 422                    Response code 480
 423                    Generic response
 424                    Meaning: command unavailable until the client
 425                    has authenticated itself.
 426                 */
 427                 /* if the server does not advertise the capability MODE-READER,
 428                    we normally should not send MODE READER. However this can't
 429                    hurt: a transit-only server returns 502 and closes the cnx.
 430                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 431                 */
 432                 log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
 433                 "so for now we choose to continue\n"));
 434             }
 435             else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
 436                 /* if the server does not advertise the capability MODE-READER,
 437                    we normally should not send MODE READER. However this can't
 438                    hurt: a transit-only server returns 502 and closes the cnx.
 439                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 440                 */
 441                 log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
 442             }
 443             else {
 444                 /* An error state bail out */
 445                 log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
 446                 session_destroy(SESSION(session));
 447                 g_free(passwd);
 448                 if (ac->session_passwd) {
 449                         g_free(ac->session_passwd);
 450                         ac->session_passwd = NULL;
 451                 }
 452                 return NULL;
 453             }
 454         }
 455
 456         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 457                 if (nntp_threaded_login(folder, userid, passwd) !=
 458                         NEWSNNTP_NO_ERROR) {
 459                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 460                         session_destroy(SESSION(session));
 461                         g_free(passwd);
 462                         if (ac->session_passwd) {
 463                                 g_free(ac->session_passwd);
 464                                 ac->session_passwd = NULL;
 465                         }
 466                         return NULL;
 467                 }
 468         }
 469         g_free(passwd);
 470
 471         return session;
 472 }
 473
 474 static NewsSession *news_session_get(Folder *folder)
 475 {
 476         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 477
 478         cm_return_val_if_fail(folder != NULL, NULL);
 479         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 480         cm_return_val_if_fail(folder->account != NULL, NULL);
 481
 482         if (prefs_common.work_offline &&
 483             !inc_offline_should_override(FALSE,
 484                 _("Claws Mail needs network access in order "
 485                   "to access the News server."))) {
 486                 return NULL;
 487         }
 488
 489         if (!rfolder->session) {
 490                 rfolder->session = news_session_new_for_folder(folder);
 491                 session_register_ping(SESSION(rfolder->session), nntp_ping);
 492                 return NEWS_SESSION(rfolder->session);
 493         }
 494
 495         /* Handle port change (also ssl/nossl change) without needing to
 496          * restart application. */
 497         if (rfolder->session->port != folder->account->nntpport) {
 498                 session_destroy(rfolder->session);
 499                 rfolder->session = news_session_new_for_folder(folder);
 500                 session_register_ping(SESSION(rfolder->session), nntp_ping);
 501                 goto newsession;
 502         }
 503
 504         if (time(NULL) - rfolder->session->last_access_time <
 505                 SESSION_TIMEOUT_INTERVAL) {
 506                 return NEWS_SESSION(rfolder->session);
 507         }
 508
 509         if (!nntp_ping(rfolder->session)) {
 510                 rfolder->session = news_session_new_for_folder(folder);
 511                 session_register_ping(SESSION(rfolder->session), nntp_ping);
 512         }
 513
 514 newsession:
 515         if (rfolder->session)
 516                 session_set_access_time(rfolder->session);
 517
 518         return NEWS_SESSION(rfolder->session);
 519 }
 520
 521 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 522 {
 523         gchar *path, *filename;
 524
 525         path = folder_item_get_path(item);
 526
 527         if (!is_dir_exist(path)) {
 528                 g_free(path);
 529                 return;
 530         }
 531
 532         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 533         g_free(path);
 534
 535         if (is_file_exist(filename)) {
 536                 claws_unlink(filename);
 537         }
 538         g_free(filename);
 539 }
 540
 541 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 542 {
 543         gchar *path, *filename;
 544         NewsSession *session;
 545         gint ok;
 546
 547         cm_return_val_if_fail(folder != NULL, NULL);
 548         cm_return_val_if_fail(item != NULL, NULL);
 549
 550         path = folder_item_get_path(item);
 551         if (!is_dir_exist(path))
 552                 make_dir_hier(path);
 553         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 554         g_free(path);
 555
 556         if (is_file_exist(filename)) {
 557                 debug_print("article %d has been already cached.\n", num);
 558                 return filename;
 559         }
 560
 561         session = news_session_get(folder);
 562         if (!session) {
 563                 g_free(filename);
 564                 return NULL;
 565         }
 566
 567         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 568         if (ok != NEWSNNTP_NO_ERROR) {
 569                 if (ok == NEWSNNTP_ERROR_STREAM) {
 570                         session_destroy(SESSION(session));
 571                         REMOTE_FOLDER(folder)->session = NULL;
 572                 }
 573                 g_free(filename);
 574                 return NULL;
 575         }
 576
 577         debug_print("getting article %d...\n", num);
 578         ok = news_get_article(folder,
 579                               num, filename);
 580         if (ok != NEWSNNTP_NO_ERROR) {
 581                 g_warning("can't read article %d\n", num);
 582                 if (ok == NEWSNNTP_ERROR_STREAM) {
 583                         session_destroy(SESSION(session));
 584                         REMOTE_FOLDER(folder)->session = NULL;
 585                 }
 586                 g_free(filename);
 587                 return NULL;
 588         }
 589         GTK_EVENTS_FLUSH();
 590         return filename;
 591 }
 592
 593 static NewsGroupInfo *news_group_info_new(const gchar *name,
 594                                           gint first, gint last, gchar type)
 595 {
 596         NewsGroupInfo *ginfo;
 597
 598         ginfo = g_new(NewsGroupInfo, 1);
 599         ginfo->name = g_strdup(name);
 600         ginfo->first = first;
 601         ginfo->last = last;
 602         ginfo->type = type;
 603
 604         return ginfo;
 605 }
 606
 607 static void news_group_info_free(NewsGroupInfo *ginfo)
 608 {
 609         g_free(ginfo->name);
 610         g_free(ginfo);
 611 }
 612
 613 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 614                                     NewsGroupInfo *ginfo2)
 615 {
 616         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 617 }
 618
 619 GSList *news_get_group_list(Folder *folder)
 620 {
 621         gchar *path, *filename;
 622         FILE *fp;
 623         GSList *list = NULL;
 624         GSList *last = NULL;
 625         gchar buf[BUFFSIZE];
 626
 627         cm_return_val_if_fail(folder != NULL, NULL);
 628         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 629
 630         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 631         if (!is_dir_exist(path))
 632                 make_dir_hier(path);
 633         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 634         g_free(path);
 635
 636         if ((fp = g_fopen(filename, "rb")) == NULL) {
 637                 NewsSession *session;
 638                 gint ok;
 639                 clist *grouplist = NULL;
 640                 clistiter *cur;
 641                 fp = g_fopen(filename, "wb");
 642
 643                 if (!fp) {
 644                         g_free(filename);
 645                         return NULL;
 646                 }
 647                 session = news_session_get(folder);
 648                 if (!session) {
 649                         fclose(fp);
 650                         g_free(filename);
 651                         return NULL;
 652                 }
 653
 654                 ok = nntp_threaded_list(folder, &grouplist);
 655
 656                 if (ok != NEWSNNTP_NO_ERROR) {
 657                         if (ok == NEWSNNTP_ERROR_STREAM) {
 658                                 session_destroy(SESSION(session));
 659                                 REMOTE_FOLDER(folder)->session = NULL;
 660                         }
 661                         fclose(fp);
 662                         g_free(filename);
 663                         return NULL;
 664                 }
 665
 666                 if (grouplist) {
 667                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 668                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 669                                                                         clist_content(cur);
 670                                 if (fprintf(fp, "%s %d %d %c\n",
 671                                         info->grp_name,
 672                                         info->grp_last,
 673                                         info->grp_first,
 674                                         info->grp_type) < 0) {
 675                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 676                                         session_destroy(SESSION(session));
 677                                         REMOTE_FOLDER(folder)->session = NULL;
 678                                         fclose(fp);
 679                                         g_free(filename);
 680                                         newsnntp_list_free(grouplist);
 681                                         return NULL;
 682                                 }
 683                         }
 684                         newsnntp_list_free(grouplist);
 685                 }
 686                 if (fclose(fp) == EOF) {
 687                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 688                         session_destroy(SESSION(session));
 689                         REMOTE_FOLDER(folder)->session = NULL;
 690                         g_free(filename);
 691                         return NULL;
 692                 }
 693
 694                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 695                         FILE_OP_ERROR(filename, "fopen");
 696                         g_free(filename);
 697                         return NULL;
 698                 }
 699         }
 700
 701         while (fgets(buf, sizeof(buf), fp) != NULL) {
 702                 gchar *p = buf;
 703                 gchar *name;
 704                 gint last_num;
 705                 gint first_num;
 706                 gchar type;
 707                 NewsGroupInfo *ginfo;
 708
 709                 p = strchr(p, ' ');
 710                 if (!p) continue;
 711                 *p = '\0';
 712                 p++;
 713                 name = buf;
 714
 715                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 716                         continue;
 717
 718                 ginfo = news_group_info_new(name, first_num, last_num, type);
 719
 720                 if (!last)
 721                         last = list = g_slist_append(NULL, ginfo);
 722                 else {
 723                         last = g_slist_append(last, ginfo);
 724                         last = last->next;
 725                 }
 726         }
 727
 728         fclose(fp);
 729         g_free(filename);
 730
 731         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 732
 733         return list;
 734 }
 735
 736 void news_group_list_free(GSList *group_list)
 737 {
 738         GSList *cur;
 739
 740         if (!group_list) return;
 741
 742         for (cur = group_list; cur != NULL; cur = cur->next)
 743                 news_group_info_free((NewsGroupInfo *)cur->data);
 744         g_slist_free(group_list);
 745 }
 746
 747 void news_remove_group_list_cache(Folder *folder)
 748 {
 749         gchar *path, *filename;
 750
 751         cm_return_if_fail(folder != NULL);
 752         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 753
 754         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 755         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 756         g_free(path);
 757
 758         if (is_file_exist(filename)) {
 759                 if (remove(filename) < 0)
 760                         FILE_OP_ERROR(filename, "remove");
 761         }
 762         g_free(filename);
 763 }
 764
 765 gint news_post(Folder *folder, const gchar *file)
 766 {
 767         gint ok;
 768         char *contents = file_read_to_str_no_recode(file);
 769         NewsSession *session;
 770
 771         cm_return_val_if_fail(folder != NULL, -1);
 772         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 773         cm_return_val_if_fail(contents != NULL, -1);
 774
 775         session = news_session_get(folder);
 776         if (!session)  {
 777                 g_free(contents);
 778                 return -1;
 779         }
 780
 781         ok = nntp_threaded_post(folder, contents, strlen(contents));
 782
 783         g_free(contents);
 784
 785         if (ok == NEWSNNTP_ERROR_STREAM) {
 786                 session_destroy(SESSION(session));
 787                 REMOTE_FOLDER(folder)->session = NULL;
 788         }
 789
 790         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 791 }
 792
 793 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 794 {
 795         size_t len;
 796         char *result = NULL;
 797         int r;
 798
 799         r = nntp_threaded_article(folder, num, &result, &len);
 800
 801         if (r == NEWSNNTP_NO_ERROR) {
 802                 if (str_write_to_file(result, filename) < 0)
 803                         return -1;
 804                 g_free(result);
 805         }
 806
 807         return r;
 808 }
 809
 810 /**
 811  * news_select_group:
 812  * @session: Active NNTP session.
 813  * @group: Newsgroup name.
 814  * @num: Estimated number of articles.
 815  * @first: First article number.
 816  * @last: Last article number.
 817  *
 818  * Select newsgroup @group with the GROUP command if it is not already
 819  * selected in @session, or article numbers need to be returned.
 820  *
 821  * Return value: NNTP result code.
 822  **/
 823 static gint news_select_group(Folder *folder, const gchar *group,
 824                               gint *num, gint *first, gint *last)
 825 {
 826         gint ok;
 827         gint num_, first_, last_;
 828         struct newsnntp_group_info *info = NULL;
 829         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 830
 831         cm_return_val_if_fail(session != NULL, -1);
 832
 833         if (!num || !first || !last) {
 834                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 835                         return NEWSNNTP_NO_ERROR;
 836                 num = &num_;
 837                 first = &first_;
 838                 last = &last_;
 839         }
 840
 841         g_free(session->group);
 842         session->group = NULL;
 843
 844         ok = nntp_threaded_group(folder, group, &info);
 845
 846         if (ok == NEWSNNTP_NO_ERROR && info) {
 847                 session->group = g_strdup(group);
 848                 *num = info->grp_first;
 849                 *first = info->grp_first;
 850                 *last = info->grp_last;
 851                 newsnntp_group_free(info);
 852         } else {
 853                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 854         }
 855         return ok;
 856 }
 857
 858 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 859 {
 860         MsgInfo *msginfo;
 861
 862         /* set MsgInfo */
 863         msginfo = procmsg_msginfo_new();
 864         msginfo->msgnum = item->ovr_article;
 865         msginfo->size = item->ovr_size;
 866
 867         msginfo->date = g_strdup(item->ovr_date);
 868         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 869
 870         msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
 871         msginfo->fromname = procheader_get_fromname(msginfo->from);
 872
 873         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
 874
 875         remove_return(msginfo->from);
 876         remove_return(msginfo->fromname);
 877         remove_return(msginfo->subject);
 878
 879         if (item->ovr_message_id) {
 880                 gchar *tmp = g_strdup(item->ovr_message_id);
 881                 extract_parenthesis(tmp, '<', '>');
 882                 remove_space(tmp);
 883                 if (*tmp != '\0')
 884                         msginfo->msgid = g_strdup(tmp);
 885                 g_free(tmp);
 886         }
 887
 888         /* FIXME: this is a quick fix; references' meaning was changed
 889          * into having the actual list of references in the References: header.
 890          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 891          * their things properly. */
 892         if (item->ovr_references && *(item->ovr_references)) {
 893                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 894                 guint i = 0;
 895                 char *tmp;
 896                 char *p;
 897                 while (ref_tokens[i]) {
 898                         gchar *cur_ref = ref_tokens[i];
 899                         msginfo->references = references_list_append(msginfo->references,
 900                                         cur_ref);
 901                         i++;
 902                 }
 903                 g_strfreev(ref_tokens);
 904
 905                 tmp = g_strdup(item->ovr_references);
 906                 eliminate_parenthesis(tmp, '(', ')');
 907                 if ((p = strrchr(tmp, '<')) != NULL) {
 908                         extract_parenthesis(p, '<', '>');
 909                         remove_space(p);
 910                         if (*p != '\0')
 911                                 msginfo->inreplyto = g_strdup(p);
 912                 }
 913                 g_free(tmp);
 914         }
 915
 916         return msginfo;
 917 }
 918
 919 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 920 {
 921         gchar * tmp;
 922         FILE * tmpfp;
 923         gchar buf[BUFFSIZE];
 924
 925         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 926                               G_DIR_SEPARATOR, msginfo);
 927         if (tmp == NULL)
 928                 return -1;
 929
 930         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 931                 FILE_OP_ERROR(tmp, "fopen");
 932                 return -1;
 933         }
 934         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 935                 FILE_OP_ERROR(tmp, "chmod");
 936                 g_warning("can't change file mode\n");
 937         }
 938
 939         get_rfc822_date(buf, sizeof(buf));
 940         if (fprintf(tmpfp, "From: %s\r\n"
 941                        "Newsgroups: %s\r\n"
 942                        "Subject: cmsg cancel <%s>\r\n"
 943                        "Control: cancel <%s>\r\n"
 944                        "Approved: %s\r\n"
 945                        "X-Cancelled-by: %s\r\n"
 946                        "Date: %s\r\n"
 947                        "\r\n"
 948                        "removed with Claws Mail\r\n",
 949                        msginfo->from,
 950                        msginfo->newsgroups,
 951                        msginfo->msgid,
 952                        msginfo->msgid,
 953                        msginfo->from,
 954                        msginfo->from,
 955                        buf) < 0) {
 956                 FILE_OP_ERROR(tmp, "fprintf");
 957                 fclose(tmpfp);
 958                 claws_unlink(tmp);
 959                 g_free(tmp);
 960                 return -1;
 961         }
 962
 963         if (fclose(tmpfp) == EOF) {
 964                 FILE_OP_ERROR(tmp, "fclose");
 965                 claws_unlink(tmp);
 966                 g_free(tmp);
 967                 return -1;
 968         }
 969
 970         news_post(folder, tmp);
 971         remove(tmp);
 972
 973         g_free(tmp);
 974
 975         return 0;
 976 }
 977
 978 static gchar *news_folder_get_path(Folder *folder)
 979 {
 980         gchar *folder_path;
 981
 982         cm_return_val_if_fail(folder->account != NULL, NULL);
 983
 984         folder_path = g_strconcat(get_news_cache_dir(),
 985                                   G_DIR_SEPARATOR_S,
 986                                   folder->account->nntp_server,
 987                                   NULL);
 988         return folder_path;
 989 }
 990
 991 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 992 {
 993         gchar *folder_path, *path;
 994
 995         cm_return_val_if_fail(folder != NULL, NULL);
 996         cm_return_val_if_fail(item != NULL, NULL);
 997         folder_path = news_folder_get_path(folder);
 998
 999         cm_return_val_if_fail(folder_path != NULL, NULL);
1000         if (g_path_is_absolute(folder_path)) {
1001                 if (item->path)
1002                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
1003                                            item->path, NULL);
1004                 else
1005                         path = g_strdup(folder_path);
1006         } else {
1007                 if (item->path)
1008                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1009                                            folder_path, G_DIR_SEPARATOR_S,
1010                                            item->path, NULL);
1011                 else
1012                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1013                                            folder_path, NULL);
1014         }
1015         g_free(folder_path);
1016 #ifdef G_OS_WIN32
1017         while (strchr(path, '/'))
1018                 *strchr(path, '/') = '\\';
1019 #endif
1020         return path;
1021 }
1022
1023 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
1024 {
1025         NewsSession *session;
1026         gint i, ok, num, first, last, nummsgs = 0;
1027         gchar *dir;
1028
1029         cm_return_val_if_fail(item != NULL, -1);
1030         cm_return_val_if_fail(item->folder != NULL, -1);
1031         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
1032
1033         session = news_session_get(folder);
1034         cm_return_val_if_fail(session != NULL, -1);
1035
1036         *old_uids_valid = TRUE;
1037
1038         news_folder_lock(NEWS_FOLDER(item->folder));
1039
1040         ok = news_select_group(folder, item->path, &num, &first, &last);
1041         if (ok != NEWSNNTP_NO_ERROR) {
1042                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1043                 news_folder_unlock(NEWS_FOLDER(item->folder));
1044                 return -1;
1045         }
1046
1047         dir = news_folder_get_path(folder);
1048         if (num <= 0)
1049                 remove_all_numbered_files(dir);
1050         else if (last < first)
1051                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
1052                             first, last);
1053         else {
1054                 for (i = first; i <= last; i++) {
1055                         *msgnum_list = g_slist_prepend(*msgnum_list,
1056                                                        GINT_TO_POINTER(i));
1057                         nummsgs++;
1058                 }
1059                 debug_print("removing old messages from %d to %d in %s\n",
1060                             first, last, dir);
1061                 remove_numbered_files(dir, 1, first - 1);
1062         }
1063         g_free(dir);
1064         news_folder_unlock(NEWS_FOLDER(item->folder));
1065         return nummsgs;
1066 }
1067
1068 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1069 {
1070         msginfo->flags.tmp_flags = 0;
1071         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1072                 if (item->folder->newsart &&
1073                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1074                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1075
1076                 } else {
1077                         if (!item->folder->newsart)
1078                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1079                         g_hash_table_insert(item->folder->newsart,
1080                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1081                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1082                 }
1083         } else {
1084                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1085         }
1086 }
1087
1088 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1089 {
1090         MsgInfo *msginfo = NULL;
1091         gint ok;
1092         GSList *cur;
1093         clist *hdrlist = NULL;
1094         clistiter *hdr;
1095         gint first = -1, last = -1;
1096         GHashTable *hash_table;
1097
1098         cm_return_if_fail(session != NULL);
1099         cm_return_if_fail(item != NULL);
1100         cm_return_if_fail(item->folder != NULL);
1101         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1102
1103         news_folder_lock(NEWS_FOLDER(item->folder));
1104
1105         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1106
1107         for (cur = msglist; cur; cur = cur->next) {
1108                 msginfo = (MsgInfo *)cur->data;
1109                 if (first == -1 || msginfo->msgnum < first)
1110                         first = msginfo->msgnum;
1111                 if (last == -1 || msginfo->msgnum > last)
1112                         last = msginfo->msgnum;
1113                 g_hash_table_insert(hash_table,
1114                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1115         }
1116
1117 /* Newsgroups */
1118         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1119
1120         if (ok != NEWSNNTP_NO_ERROR) {
1121                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1122                 if (ok == NEWSNNTP_ERROR_STREAM) {
1123                         session_destroy(SESSION(session));
1124                         REMOTE_FOLDER(item->folder)->session = NULL;
1125                 }
1126                 news_folder_unlock(NEWS_FOLDER(item->folder));
1127                 return;
1128         }
1129
1130         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1131                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1132                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1133                 if (msginfo) {
1134                         if (msginfo->newsgroups)
1135                                 g_free(msginfo->newsgroups);
1136                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1137                 }
1138         }
1139         newsnntp_xhdr_free(hdrlist);
1140
1141 /* To */
1142         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1143
1144         if (ok != NEWSNNTP_NO_ERROR) {
1145                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1146                 if (ok == NEWSNNTP_ERROR_STREAM) {
1147                         session_destroy(SESSION(session));
1148                         REMOTE_FOLDER(item->folder)->session = NULL;
1149                 }
1150                 news_folder_unlock(NEWS_FOLDER(item->folder));
1151                 return;
1152         }
1153
1154         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1155                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1156                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1157                 if (msginfo) {
1158                         if (msginfo->to)
1159                                 g_free(msginfo->to);
1160                         msginfo->to = g_strdup(hdrval->hdr_value);
1161                 }
1162         }
1163         newsnntp_xhdr_free(hdrlist);
1164
1165 /* Cc */
1166         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1167
1168         if (ok != NEWSNNTP_NO_ERROR) {
1169                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1170                 if (ok == NEWSNNTP_ERROR_STREAM) {
1171                         session_destroy(SESSION(session));
1172                         REMOTE_FOLDER(item->folder)->session = NULL;
1173                 }
1174                 news_folder_unlock(NEWS_FOLDER(item->folder));
1175                 return;
1176         }
1177
1178         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1179                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1180                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1181                 if (msginfo) {
1182                         if (msginfo->cc)
1183                                 g_free(msginfo->cc);
1184                         msginfo->cc = g_strdup(hdrval->hdr_value);
1185                 }
1186         }
1187         newsnntp_xhdr_free(hdrlist);
1188
1189
1190         g_hash_table_destroy(hash_table);
1191         news_folder_unlock(NEWS_FOLDER(item->folder));
1192 }
1193
1194 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1195 {
1196         GSList *newlist = NULL;
1197         GSList *llast = NULL;
1198         MsgInfo *msginfo;
1199         gint ok;
1200         clist *msglist = NULL;
1201         clistiter *cur;
1202         cm_return_val_if_fail(session != NULL, NULL);
1203         cm_return_val_if_fail(item != NULL, NULL);
1204
1205         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1206                     begin, end, item->path);
1207
1208         news_folder_lock(NEWS_FOLDER(item->folder));
1209
1210         ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
1211         if (ok != NEWSNNTP_NO_ERROR) {
1212                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1213                 news_folder_unlock(NEWS_FOLDER(item->folder));
1214                 return NULL;
1215         }
1216
1217         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1218
1219         if (ok != NEWSNNTP_NO_ERROR) {
1220                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1221                 if (ok == NEWSNNTP_ERROR_STREAM) {
1222                         session_destroy(SESSION(session));
1223                         REMOTE_FOLDER(item->folder)->session = NULL;
1224                 }
1225                 news_folder_unlock(NEWS_FOLDER(item->folder));
1226                 return NULL;
1227         }
1228
1229         if (msglist) {
1230                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1231                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1232                         msginfo = news_parse_xover(ritem);
1233
1234                         if (!msginfo) {
1235                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1236                                 continue;
1237                         }
1238
1239                         msginfo->folder = item;
1240                         news_set_msg_flags(item, msginfo);
1241                         msginfo->flags.tmp_flags |= MSG_NEWS;
1242
1243                         if (!newlist)
1244                                 llast = newlist = g_slist_append(newlist, msginfo);
1245                         else {
1246                                 llast = g_slist_append(llast, msginfo);
1247                                 llast = llast->next;
1248                         }
1249                 }
1250                 newsnntp_xover_resp_list_free(msglist);
1251         }
1252
1253         news_folder_unlock(NEWS_FOLDER(item->folder));
1254
1255         session_set_access_time(SESSION(session));
1256
1257         news_get_extra_fields(session, item, newlist);
1258
1259         return newlist;
1260 }
1261
1262 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1263 {
1264         GSList *msglist = NULL;
1265         NewsSession *session;
1266         MsgInfo *msginfo = NULL;
1267
1268         session = news_session_get(folder);
1269         cm_return_val_if_fail(session != NULL, NULL);
1270         cm_return_val_if_fail(item != NULL, NULL);
1271         cm_return_val_if_fail(item->folder != NULL, NULL);
1272         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1273
1274         msglist = news_get_msginfos_for_range(session, item, num, num);
1275
1276         if (msglist)
1277                 msginfo = msglist->data;
1278
1279         g_slist_free(msglist);
1280
1281         return msginfo;
1282 }
1283
1284 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1285 {
1286         NewsSession *session;
1287         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1288         guint first, last, next;
1289 /*      guint tofetch, fetched;
1290 */
1291
1292         cm_return_val_if_fail(folder != NULL, NULL);
1293         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1294         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1295         cm_return_val_if_fail(item != NULL, NULL);
1296
1297         session = news_session_get(folder);
1298         cm_return_val_if_fail(session != NULL, NULL);
1299
1300         tmp_msgnum_list = g_slist_copy(msgnum_list);
1301         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1302
1303         progressindicator_start(PROGRESS_TYPE_NETWORK);
1304 /*      tofetch = g_slist_length(tmp_msgnum_list);
1305         fetched = 0;
1306 */
1307
1308         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1309         last = first;
1310
1311         news_folder_lock(NEWS_FOLDER(item->folder));
1312
1313         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1314                 next = GPOINTER_TO_INT(elem->data);
1315                 if(next != (last + 1)) {
1316 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1317                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1318 */
1319                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1320                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1321 /*                      fetched = last - first + 1;
1322 */
1323                         first = next;
1324                 }
1325                 last = next;
1326         }
1327
1328         news_folder_unlock(NEWS_FOLDER(item->folder));
1329
1330 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1331         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1332 */
1333         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1334         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1335
1336         g_slist_free(tmp_msgnum_list);
1337
1338         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1339
1340         return msginfo_list;
1341 }
1342
1343 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1344 {
1345         return TRUE;
1346 }
1347
1348 void news_synchronise(FolderItem *item, gint days)
1349 {
1350         news_gtk_synchronise(item, days);
1351 }
1352
1353 static gint news_rename_folder(Folder *folder, FolderItem *item,
1354                                 const gchar *name)
1355 {
1356         gchar *path;
1357
1358         cm_return_val_if_fail(folder != NULL, -1);
1359         cm_return_val_if_fail(item != NULL, -1);
1360         cm_return_val_if_fail(item->path != NULL, -1);
1361         cm_return_val_if_fail(name != NULL, -1);
1362
1363         path = folder_item_get_path(item);
1364         if (!is_dir_exist(path))
1365                 make_dir_hier(path);
1366
1367         g_free(item->name);
1368         item->name = g_strdup(name);
1369
1370         return 0;
1371 }
1372
1373 static gint news_remove_folder(Folder *folder, FolderItem *item)
1374 {
1375         gchar *path;
1376
1377         cm_return_val_if_fail(folder != NULL, -1);
1378         cm_return_val_if_fail(item != NULL, -1);
1379         cm_return_val_if_fail(item->path != NULL, -1);
1380
1381         path = folder_item_get_path(item);
1382         if (remove_dir_recursive(path) < 0) {
1383                 g_warning("can't remove directory `%s'\n", path);
1384                 g_free(path);
1385                 return -1;
1386         }
1387
1388         g_free(path);
1389         folder_item_remove(item);
1390         return 0;
1391 }
1392
1393 void nntp_disconnect_all(gboolean have_connectivity)
1394 {
1395         GList *list;
1396         gboolean short_timeout;
1397 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1398         GError *error;
1399 #endif
1400
1401 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1402         error = NULL;
1403         short_timeout = !networkmanager_is_online(&error);
1404         if(error) {
1405                 short_timeout = TRUE;
1406                 g_error_free(error);
1407         }
1408 #else
1409         short_timeout = TRUE;
1410 #endif
1411
1412         if(short_timeout)
1413                 nntp_main_set_timeout(1);
1414
1415         for (list = account_get_list(); list != NULL; list = list->next) {
1416                 PrefsAccount *account = list->data;
1417                 if (account->protocol == A_NNTP) {
1418                         RemoteFolder *folder = (RemoteFolder *)account->folder;
1419                         if (folder && folder->session) {
1420                                 NewsSession *session = (NewsSession *)folder->session;
1421                                 if (have_connectivity)
1422                                         nntp_threaded_disconnect(FOLDER(folder));
1423                                 SESSION(session)->state = SESSION_DISCONNECTED;
1424                                 SESSION(session)->sock = NULL;
1425                                 session_destroy(SESSION(session));
1426                                 folder->session = NULL;
1427                         }
1428                 }
1429         }
1430
1431         if(short_timeout)
1432                 nntp_main_set_timeout(prefs_common.io_timeout_secs);
1433 }
1434
1435 #else
1436 #include <glib.h>
1437 #include <glib/gi18n.h>
1438 #include <gtk/gtk.h>
1439 #include "folder.h"
1440 #include "alertpanel.h"
1441
1442 static FolderClass news_class;
1443
1444 static void warn_etpan(void)
1445 {
1446         static gboolean missing_news_warning = TRUE;
1447         if (missing_news_warning) {
1448                 missing_news_warning = FALSE;
1449                 alertpanel_error(
1450                         _("You have one or more News accounts "
1451                           "defined. However this version of "
1452                           "Claws Mail has been built without "
1453                           "News support; your News account(s) are "
1454                           "disabled.\n\n"
1455                           "You probably need to "
1456                           "install libetpan and recompile "
1457                           "Claws Mail."));
1458         }
1459 }
1460 static Folder *news_folder_new(const gchar *name, const gchar *path)
1461 {
1462         warn_etpan();
1463         return NULL;
1464 }
1465 void news_group_list_free(GSList *group_list)
1466 {
1467         warn_etpan();
1468 }
1469 void news_remove_group_list_cache(Folder *folder)
1470 {
1471         warn_etpan();
1472 }
1473 int news_folder_locked(Folder *folder)
1474 {
1475         warn_etpan();
1476         return 0;
1477 }
1478 gint news_post(Folder *folder, const gchar *file)
1479 {
1480         warn_etpan();
1481         return -1;
1482 }
1483
1484 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1485 {
1486         warn_etpan();
1487         return -1;
1488 }
1489
1490 GSList *news_get_group_list(Folder *folder)
1491 {
1492         warn_etpan();
1493         return NULL;
1494 }
1495
1496
1497 FolderClass *news_get_class(void)
1498 {
1499         if (news_class.idstr == NULL) {
1500                 news_class.type = F_NEWS;
1501                 news_class.idstr = "news";
1502                 news_class.uistr = "News";
1503
1504                 /* Folder functions */
1505                 news_class.new_folder = news_folder_new;
1506         };
1507
1508         return &news_class;
1509 }
1510
1511 void nntp_disconnect_all(gboolean have_connectivity)
1512 {
1513 }
1514
1515 #endif