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                 if (session != NULL)
 356                         session_destroy(SESSION(session));
 357                 return NULL;
 358         }
 359
 360         session->folder = folder;
 361
 362         return SESSION(session);
 363 }
 364
 365 static Session *news_session_new_for_folder(Folder *folder)
 366 {
 367         Session *session;
 368         PrefsAccount *ac;
 369         const gchar *userid = NULL;
 370         gchar *passwd = NULL;
 371         gushort port;
 372         int r;
 373
 374         cm_return_val_if_fail(folder != NULL, NULL);
 375         cm_return_val_if_fail(folder->account != NULL, NULL);
 376
 377         ac = folder->account;
 378         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 379                 userid = ac->userid;
 380                 if (ac->passwd && ac->passwd[0])
 381                         passwd = g_strdup(ac->passwd);
 382                 else
 383                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 384                                                                   userid,
 385                                                                   &(ac->session_passwd));
 386         }
 387
 388 #ifdef USE_GNUTLS
 389         port = ac->set_nntpport ? ac->nntpport
 390                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 391         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 392                                    ac->ssl_nntp);
 393 #else
 394         if (ac->ssl_nntp != SSL_NONE) {
 395                 if (alertpanel_full(_("Insecure connection"),
 396                         _("This connection is configured to be secured "
 397                           "using SSL, but SSL is not available in this "
 398                           "build of Claws Mail. \n\n"
 399                           "Do you want to continue connecting to this "
 400                           "server? The communication would not be "
 401                           "secure."),
 402                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 403                           NULL, FALSE, NULL, ALERT_WARNING,
 404                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 405                         return NULL;
 406         }
 407         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 408         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 409 #endif
 410
 411         if (session != NULL)
 412                 r = nntp_threaded_mode_reader(folder);
 413         else
 414                 r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
 415
 416         if (r != NEWSNNTP_NO_ERROR) {
 417             if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 418                 /*
 419                    FIX ME when libetpan implements 480 to indicate authorization
 420                    is required to use this capability. Libetpan treats a 480 as a
 421                    381 which is clearly wrong.
 422                    RFC 4643 section 2.
 423                    Response code 480
 424                    Generic response
 425                    Meaning: command unavailable until the client
 426                    has authenticated itself.
 427                 */
 428                 /* if the server does not advertise the capability MODE-READER,
 429                    we normally should not send MODE READER. However this can't
 430                    hurt: a transit-only server returns 502 and closes the cnx.
 431                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 432                 */
 433                 log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
 434                 "so for now we choose to continue\n"));
 435             }
 436             else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
 437                 /* if the server does not advertise the capability MODE-READER,
 438                    we normally should not send MODE READER. However this can't
 439                    hurt: a transit-only server returns 502 and closes the cnx.
 440                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 441                 */
 442                 log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
 443             }
 444             else {
 445                 /* An error state bail out */
 446                 log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
 447                 if (session != NULL)
 448                         session_destroy(SESSION(session));
 449                 g_free(passwd);
 450                 if (ac->session_passwd) {
 451                         g_free(ac->session_passwd);
 452                         ac->session_passwd = NULL;
 453                 }
 454                 return NULL;
 455             }
 456         }
 457
 458         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 459                 if (nntp_threaded_login(folder, userid, passwd) !=
 460                         NEWSNNTP_NO_ERROR) {
 461                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d...\n"), ac->nntp_server, port);
 462                         session_destroy(SESSION(session));
 463                         g_free(passwd);
 464                         if (ac->session_passwd) {
 465                                 g_free(ac->session_passwd);
 466                                 ac->session_passwd = NULL;
 467                         }
 468                         return NULL;
 469                 }
 470         }
 471         g_free(passwd);
 472
 473         return session;
 474 }
 475
 476 static NewsSession *news_session_get(Folder *folder)
 477 {
 478         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 479
 480         cm_return_val_if_fail(folder != NULL, NULL);
 481         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 482         cm_return_val_if_fail(folder->account != NULL, NULL);
 483
 484         if (prefs_common.work_offline &&
 485             !inc_offline_should_override(FALSE,
 486                 _("Claws Mail needs network access in order "
 487                   "to access the News server."))) {
 488                 return NULL;
 489         }
 490
 491         if (!rfolder->session) {
 492                 rfolder->session = news_session_new_for_folder(folder);
 493                 session_register_ping(SESSION(rfolder->session), nntp_ping);
 494                 return NEWS_SESSION(rfolder->session);
 495         }
 496
 497         /* Handle port change (also ssl/nossl change) without needing to
 498          * restart application. */
 499         if (rfolder->session->port != folder->account->nntpport) {
 500                 session_destroy(rfolder->session);
 501                 rfolder->session = news_session_new_for_folder(folder);
 502                 session_register_ping(SESSION(rfolder->session), nntp_ping);
 503                 goto newsession;
 504         }
 505
 506         if (time(NULL) - rfolder->session->last_access_time <
 507                 SESSION_TIMEOUT_INTERVAL) {
 508                 return NEWS_SESSION(rfolder->session);
 509         }
 510
 511         if (!nntp_ping(rfolder->session)) {
 512                 rfolder->session = news_session_new_for_folder(folder);
 513                 session_register_ping(SESSION(rfolder->session), nntp_ping);
 514         }
 515
 516 newsession:
 517         if (rfolder->session)
 518                 session_set_access_time(rfolder->session);
 519
 520         return NEWS_SESSION(rfolder->session);
 521 }
 522
 523 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 524 {
 525         gchar *path, *filename;
 526
 527         path = folder_item_get_path(item);
 528
 529         if (!is_dir_exist(path)) {
 530                 g_free(path);
 531                 return;
 532         }
 533
 534         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 535         g_free(path);
 536
 537         if (is_file_exist(filename)) {
 538                 claws_unlink(filename);
 539         }
 540         g_free(filename);
 541 }
 542
 543 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 544 {
 545         gchar *path, *filename;
 546         NewsSession *session;
 547         gint ok;
 548
 549         cm_return_val_if_fail(folder != NULL, NULL);
 550         cm_return_val_if_fail(item != NULL, NULL);
 551
 552         path = folder_item_get_path(item);
 553         if (!is_dir_exist(path))
 554                 make_dir_hier(path);
 555         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 556         g_free(path);
 557
 558         if (is_file_exist(filename)) {
 559                 debug_print("article %d has been already cached.\n", num);
 560                 return filename;
 561         }
 562
 563         session = news_session_get(folder);
 564         if (!session) {
 565                 g_free(filename);
 566                 return NULL;
 567         }
 568
 569         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 570         if (ok != NEWSNNTP_NO_ERROR) {
 571                 if (ok == NEWSNNTP_ERROR_STREAM) {
 572                         session_destroy(SESSION(session));
 573                         REMOTE_FOLDER(folder)->session = NULL;
 574                 }
 575                 g_free(filename);
 576                 return NULL;
 577         }
 578
 579         debug_print("getting article %d...\n", num);
 580         ok = news_get_article(folder,
 581                               num, filename);
 582         if (ok != NEWSNNTP_NO_ERROR) {
 583                 g_warning("can't read article %d\n", num);
 584                 if (ok == NEWSNNTP_ERROR_STREAM) {
 585                         session_destroy(SESSION(session));
 586                         REMOTE_FOLDER(folder)->session = NULL;
 587                 }
 588                 g_free(filename);
 589                 return NULL;
 590         }
 591         GTK_EVENTS_FLUSH();
 592         return filename;
 593 }
 594
 595 static NewsGroupInfo *news_group_info_new(const gchar *name,
 596                                           gint first, gint last, gchar type)
 597 {
 598         NewsGroupInfo *ginfo;
 599
 600         ginfo = g_new(NewsGroupInfo, 1);
 601         ginfo->name = g_strdup(name);
 602         ginfo->first = first;
 603         ginfo->last = last;
 604         ginfo->type = type;
 605
 606         return ginfo;
 607 }
 608
 609 static void news_group_info_free(NewsGroupInfo *ginfo)
 610 {
 611         g_free(ginfo->name);
 612         g_free(ginfo);
 613 }
 614
 615 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 616                                     NewsGroupInfo *ginfo2)
 617 {
 618         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 619 }
 620
 621 GSList *news_get_group_list(Folder *folder)
 622 {
 623         gchar *path, *filename;
 624         FILE *fp;
 625         GSList *list = NULL;
 626         GSList *last = NULL;
 627         gchar buf[BUFFSIZE];
 628
 629         cm_return_val_if_fail(folder != NULL, NULL);
 630         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 631
 632         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 633         if (!is_dir_exist(path))
 634                 make_dir_hier(path);
 635         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 636         g_free(path);
 637
 638         if ((fp = g_fopen(filename, "rb")) == NULL) {
 639                 NewsSession *session;
 640                 gint ok;
 641                 clist *grouplist = NULL;
 642                 clistiter *cur;
 643                 fp = g_fopen(filename, "wb");
 644
 645                 if (!fp) {
 646                         g_free(filename);
 647                         return NULL;
 648                 }
 649                 session = news_session_get(folder);
 650                 if (!session) {
 651                         fclose(fp);
 652                         g_free(filename);
 653                         return NULL;
 654                 }
 655
 656                 ok = nntp_threaded_list(folder, &grouplist);
 657
 658                 if (ok != NEWSNNTP_NO_ERROR) {
 659                         if (ok == NEWSNNTP_ERROR_STREAM) {
 660                                 session_destroy(SESSION(session));
 661                                 REMOTE_FOLDER(folder)->session = NULL;
 662                         }
 663                         fclose(fp);
 664                         g_free(filename);
 665                         return NULL;
 666                 }
 667
 668                 if (grouplist) {
 669                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 670                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 671                                                                         clist_content(cur);
 672                                 if (fprintf(fp, "%s %d %d %c\n",
 673                                         info->grp_name,
 674                                         info->grp_last,
 675                                         info->grp_first,
 676                                         info->grp_type) < 0) {
 677                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 678                                         session_destroy(SESSION(session));
 679                                         REMOTE_FOLDER(folder)->session = NULL;
 680                                         fclose(fp);
 681                                         g_free(filename);
 682                                         newsnntp_list_free(grouplist);
 683                                         return NULL;
 684                                 }
 685                         }
 686                         newsnntp_list_free(grouplist);
 687                 }
 688                 if (fclose(fp) == EOF) {
 689                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 690                         session_destroy(SESSION(session));
 691                         REMOTE_FOLDER(folder)->session = NULL;
 692                         g_free(filename);
 693                         return NULL;
 694                 }
 695
 696                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 697                         FILE_OP_ERROR(filename, "fopen");
 698                         g_free(filename);
 699                         return NULL;
 700                 }
 701         }
 702
 703         while (fgets(buf, sizeof(buf), fp) != NULL) {
 704                 gchar *p = buf;
 705                 gchar *name;
 706                 gint last_num;
 707                 gint first_num;
 708                 gchar type;
 709                 NewsGroupInfo *ginfo;
 710
 711                 p = strchr(p, ' ');
 712                 if (!p) continue;
 713                 *p = '\0';
 714                 p++;
 715                 name = buf;
 716
 717                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 718                         continue;
 719
 720                 ginfo = news_group_info_new(name, first_num, last_num, type);
 721
 722                 if (!last)
 723                         last = list = g_slist_append(NULL, ginfo);
 724                 else {
 725                         last = g_slist_append(last, ginfo);
 726                         last = last->next;
 727                 }
 728         }
 729
 730         fclose(fp);
 731         g_free(filename);
 732
 733         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 734
 735         return list;
 736 }
 737
 738 void news_group_list_free(GSList *group_list)
 739 {
 740         GSList *cur;
 741
 742         if (!group_list) return;
 743
 744         for (cur = group_list; cur != NULL; cur = cur->next)
 745                 news_group_info_free((NewsGroupInfo *)cur->data);
 746         g_slist_free(group_list);
 747 }
 748
 749 void news_remove_group_list_cache(Folder *folder)
 750 {
 751         gchar *path, *filename;
 752
 753         cm_return_if_fail(folder != NULL);
 754         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 755
 756         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 757         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 758         g_free(path);
 759
 760         if (is_file_exist(filename)) {
 761                 if (remove(filename) < 0)
 762                         FILE_OP_ERROR(filename, "remove");
 763         }
 764         g_free(filename);
 765 }
 766
 767 gint news_post(Folder *folder, const gchar *file)
 768 {
 769         gint ok;
 770         char *contents = file_read_to_str_no_recode(file);
 771         NewsSession *session;
 772
 773         cm_return_val_if_fail(folder != NULL, -1);
 774         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 775         cm_return_val_if_fail(contents != NULL, -1);
 776
 777         session = news_session_get(folder);
 778         if (!session)  {
 779                 g_free(contents);
 780                 return -1;
 781         }
 782
 783         ok = nntp_threaded_post(folder, contents, strlen(contents));
 784
 785         g_free(contents);
 786
 787         if (ok == NEWSNNTP_ERROR_STREAM) {
 788                 session_destroy(SESSION(session));
 789                 REMOTE_FOLDER(folder)->session = NULL;
 790         }
 791
 792         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 793 }
 794
 795 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 796 {
 797         size_t len;
 798         char *result = NULL;
 799         int r;
 800
 801         r = nntp_threaded_article(folder, num, &result, &len);
 802
 803         if (r == NEWSNNTP_NO_ERROR) {
 804                 if (str_write_to_file(result, filename) < 0) {
 805                         mmap_string_unref(result);
 806                         return -1;
 807                 }
 808                 mmap_string_unref(result);
 809         }
 810
 811         return r;
 812 }
 813
 814 /**
 815  * news_select_group:
 816  * @session: Active NNTP session.
 817  * @group: Newsgroup name.
 818  * @num: Estimated number of articles.
 819  * @first: First article number.
 820  * @last: Last article number.
 821  *
 822  * Select newsgroup @group with the GROUP command if it is not already
 823  * selected in @session, or article numbers need to be returned.
 824  *
 825  * Return value: NNTP result code.
 826  **/
 827 static gint news_select_group(Folder *folder, const gchar *group,
 828                               gint *num, gint *first, gint *last)
 829 {
 830         gint ok;
 831         gint num_, first_, last_;
 832         struct newsnntp_group_info *info = NULL;
 833         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 834
 835         cm_return_val_if_fail(session != NULL, -1);
 836
 837         if (!num || !first || !last) {
 838                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 839                         return NEWSNNTP_NO_ERROR;
 840                 num = &num_;
 841                 first = &first_;
 842                 last = &last_;
 843         }
 844
 845         g_free(session->group);
 846         session->group = NULL;
 847
 848         ok = nntp_threaded_group(folder, group, &info);
 849
 850         if (ok == NEWSNNTP_NO_ERROR && info) {
 851                 session->group = g_strdup(group);
 852                 *num = info->grp_first;
 853                 *first = info->grp_first;
 854                 *last = info->grp_last;
 855                 newsnntp_group_free(info);
 856         } else {
 857                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 858         }
 859         return ok;
 860 }
 861
 862 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 863 {
 864         MsgInfo *msginfo;
 865
 866         /* set MsgInfo */
 867         msginfo = procmsg_msginfo_new();
 868         msginfo->msgnum = item->ovr_article;
 869         msginfo->size = item->ovr_size;
 870
 871         msginfo->date = g_strdup(item->ovr_date);
 872         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 873
 874         msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
 875         msginfo->fromname = procheader_get_fromname(msginfo->from);
 876
 877         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
 878
 879         remove_return(msginfo->from);
 880         remove_return(msginfo->fromname);
 881         remove_return(msginfo->subject);
 882
 883         if (item->ovr_message_id) {
 884                 gchar *tmp = g_strdup(item->ovr_message_id);
 885                 extract_parenthesis(tmp, '<', '>');
 886                 remove_space(tmp);
 887                 if (*tmp != '\0')
 888                         msginfo->msgid = g_strdup(tmp);
 889                 g_free(tmp);
 890         }
 891
 892         /* FIXME: this is a quick fix; references' meaning was changed
 893          * into having the actual list of references in the References: header.
 894          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 895          * their things properly. */
 896         if (item->ovr_references && *(item->ovr_references)) {
 897                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 898                 guint i = 0;
 899                 char *tmp;
 900                 char *p;
 901                 while (ref_tokens[i]) {
 902                         gchar *cur_ref = ref_tokens[i];
 903                         msginfo->references = references_list_append(msginfo->references,
 904                                         cur_ref);
 905                         i++;
 906                 }
 907                 g_strfreev(ref_tokens);
 908
 909                 tmp = g_strdup(item->ovr_references);
 910                 eliminate_parenthesis(tmp, '(', ')');
 911                 if ((p = strrchr(tmp, '<')) != NULL) {
 912                         extract_parenthesis(p, '<', '>');
 913                         remove_space(p);
 914                         if (*p != '\0')
 915                                 msginfo->inreplyto = g_strdup(p);
 916                 }
 917                 g_free(tmp);
 918         }
 919
 920         return msginfo;
 921 }
 922
 923 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 924 {
 925         gchar * tmp;
 926         FILE * tmpfp;
 927         gchar buf[BUFFSIZE];
 928
 929         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 930                               G_DIR_SEPARATOR, msginfo);
 931         if (tmp == NULL)
 932                 return -1;
 933
 934         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 935                 FILE_OP_ERROR(tmp, "fopen");
 936                 return -1;
 937         }
 938         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 939                 FILE_OP_ERROR(tmp, "chmod");
 940                 g_warning("can't change file mode\n");
 941         }
 942
 943         get_rfc822_date(buf, sizeof(buf));
 944         if (fprintf(tmpfp, "From: %s\r\n"
 945                        "Newsgroups: %s\r\n"
 946                        "Subject: cmsg cancel <%s>\r\n"
 947                        "Control: cancel <%s>\r\n"
 948                        "Approved: %s\r\n"
 949                        "X-Cancelled-by: %s\r\n"
 950                        "Date: %s\r\n"
 951                        "\r\n"
 952                        "removed with Claws Mail\r\n",
 953                        msginfo->from,
 954                        msginfo->newsgroups,
 955                        msginfo->msgid,
 956                        msginfo->msgid,
 957                        msginfo->from,
 958                        msginfo->from,
 959                        buf) < 0) {
 960                 FILE_OP_ERROR(tmp, "fprintf");
 961                 fclose(tmpfp);
 962                 claws_unlink(tmp);
 963                 g_free(tmp);
 964                 return -1;
 965         }
 966
 967         if (fclose(tmpfp) == EOF) {
 968                 FILE_OP_ERROR(tmp, "fclose");
 969                 claws_unlink(tmp);
 970                 g_free(tmp);
 971                 return -1;
 972         }
 973
 974         news_post(folder, tmp);
 975         remove(tmp);
 976
 977         g_free(tmp);
 978
 979         return 0;
 980 }
 981
 982 static gchar *news_folder_get_path(Folder *folder)
 983 {
 984         gchar *folder_path;
 985
 986         cm_return_val_if_fail(folder->account != NULL, NULL);
 987
 988         folder_path = g_strconcat(get_news_cache_dir(),
 989                                   G_DIR_SEPARATOR_S,
 990                                   folder->account->nntp_server,
 991                                   NULL);
 992         return folder_path;
 993 }
 994
 995 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 996 {
 997         gchar *folder_path, *path;
 998
 999         cm_return_val_if_fail(folder != NULL, NULL);
1000         cm_return_val_if_fail(item != NULL, NULL);
1001         folder_path = news_folder_get_path(folder);
1002
1003         cm_return_val_if_fail(folder_path != NULL, NULL);
1004         if (g_path_is_absolute(folder_path)) {
1005                 if (item->path)
1006                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
1007                                            item->path, NULL);
1008                 else
1009                         path = g_strdup(folder_path);
1010         } else {
1011                 if (item->path)
1012                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1013                                            folder_path, G_DIR_SEPARATOR_S,
1014                                            item->path, NULL);
1015                 else
1016                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1017                                            folder_path, NULL);
1018         }
1019         g_free(folder_path);
1020 #ifdef G_OS_WIN32
1021         while (strchr(path, '/'))
1022                 *strchr(path, '/') = '\\';
1023 #endif
1024         return path;
1025 }
1026
1027 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
1028 {
1029         NewsSession *session;
1030         gint i, ok, num, first, last, nummsgs = 0;
1031         gchar *dir;
1032
1033         cm_return_val_if_fail(item != NULL, -1);
1034         cm_return_val_if_fail(item->folder != NULL, -1);
1035         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
1036
1037         session = news_session_get(folder);
1038         cm_return_val_if_fail(session != NULL, -1);
1039
1040         *old_uids_valid = TRUE;
1041
1042         news_folder_lock(NEWS_FOLDER(item->folder));
1043
1044         ok = news_select_group(folder, item->path, &num, &first, &last);
1045         if (ok != NEWSNNTP_NO_ERROR) {
1046                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1047                 news_folder_unlock(NEWS_FOLDER(item->folder));
1048                 return -1;
1049         }
1050
1051         dir = news_folder_get_path(folder);
1052         if (num <= 0)
1053                 remove_all_numbered_files(dir);
1054         else if (last < first)
1055                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
1056                             first, last);
1057         else {
1058                 for (i = first; i <= last; i++) {
1059                         *msgnum_list = g_slist_prepend(*msgnum_list,
1060                                                        GINT_TO_POINTER(i));
1061                         nummsgs++;
1062                 }
1063                 debug_print("removing old messages from %d to %d in %s\n",
1064                             first, last, dir);
1065                 remove_numbered_files(dir, 1, first - 1);
1066         }
1067         g_free(dir);
1068         news_folder_unlock(NEWS_FOLDER(item->folder));
1069         return nummsgs;
1070 }
1071
1072 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1073 {
1074         msginfo->flags.tmp_flags = 0;
1075         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1076                 if (item->folder->newsart &&
1077                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1078                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1079
1080                 } else {
1081                         if (!item->folder->newsart)
1082                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1083                         g_hash_table_insert(item->folder->newsart,
1084                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1085                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1086                 }
1087         } else {
1088                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1089         }
1090 }
1091
1092 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1093 {
1094         MsgInfo *msginfo = NULL;
1095         gint ok;
1096         GSList *cur;
1097         clist *hdrlist = NULL;
1098         clistiter *hdr;
1099         gint first = -1, last = -1;
1100         GHashTable *hash_table;
1101
1102         cm_return_if_fail(session != NULL);
1103         cm_return_if_fail(item != NULL);
1104         cm_return_if_fail(item->folder != NULL);
1105         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1106
1107         news_folder_lock(NEWS_FOLDER(item->folder));
1108
1109         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1110
1111         for (cur = msglist; cur; cur = cur->next) {
1112                 msginfo = (MsgInfo *)cur->data;
1113                 if (first == -1 || msginfo->msgnum < first)
1114                         first = msginfo->msgnum;
1115                 if (last == -1 || msginfo->msgnum > last)
1116                         last = msginfo->msgnum;
1117                 g_hash_table_insert(hash_table,
1118                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1119         }
1120
1121 /* Newsgroups */
1122         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1123
1124         if (ok != NEWSNNTP_NO_ERROR) {
1125                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1126                 if (ok == NEWSNNTP_ERROR_STREAM) {
1127                         session_destroy(SESSION(session));
1128                         REMOTE_FOLDER(item->folder)->session = NULL;
1129                 }
1130                 news_folder_unlock(NEWS_FOLDER(item->folder));
1131                 return;
1132         }
1133
1134         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1135                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1136                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1137                 if (msginfo) {
1138                         if (msginfo->newsgroups)
1139                                 g_free(msginfo->newsgroups);
1140                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1141                 }
1142         }
1143         newsnntp_xhdr_free(hdrlist);
1144
1145 /* To */
1146         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1147
1148         if (ok != NEWSNNTP_NO_ERROR) {
1149                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1150                 if (ok == NEWSNNTP_ERROR_STREAM) {
1151                         session_destroy(SESSION(session));
1152                         REMOTE_FOLDER(item->folder)->session = NULL;
1153                 }
1154                 news_folder_unlock(NEWS_FOLDER(item->folder));
1155                 return;
1156         }
1157
1158         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1159                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1160                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1161                 if (msginfo) {
1162                         if (msginfo->to)
1163                                 g_free(msginfo->to);
1164                         msginfo->to = g_strdup(hdrval->hdr_value);
1165                 }
1166         }
1167         newsnntp_xhdr_free(hdrlist);
1168
1169 /* Cc */
1170         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1171
1172         if (ok != NEWSNNTP_NO_ERROR) {
1173                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1174                 if (ok == NEWSNNTP_ERROR_STREAM) {
1175                         session_destroy(SESSION(session));
1176                         REMOTE_FOLDER(item->folder)->session = NULL;
1177                 }
1178                 news_folder_unlock(NEWS_FOLDER(item->folder));
1179                 return;
1180         }
1181
1182         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1183                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1184                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1185                 if (msginfo) {
1186                         if (msginfo->cc)
1187                                 g_free(msginfo->cc);
1188                         msginfo->cc = g_strdup(hdrval->hdr_value);
1189                 }
1190         }
1191         newsnntp_xhdr_free(hdrlist);
1192
1193
1194         g_hash_table_destroy(hash_table);
1195         news_folder_unlock(NEWS_FOLDER(item->folder));
1196 }
1197
1198 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1199 {
1200         GSList *newlist = NULL;
1201         GSList *llast = NULL;
1202         MsgInfo *msginfo;
1203         gint ok;
1204         clist *msglist = NULL;
1205         clistiter *cur;
1206         cm_return_val_if_fail(session != NULL, NULL);
1207         cm_return_val_if_fail(item != NULL, NULL);
1208
1209         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1210                     begin, end, item->path);
1211
1212         news_folder_lock(NEWS_FOLDER(item->folder));
1213
1214         ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
1215         if (ok != NEWSNNTP_NO_ERROR) {
1216                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1217                 news_folder_unlock(NEWS_FOLDER(item->folder));
1218                 return NULL;
1219         }
1220
1221         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1222
1223         if (ok != NEWSNNTP_NO_ERROR) {
1224                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1225                 if (ok == NEWSNNTP_ERROR_STREAM) {
1226                         session_destroy(SESSION(session));
1227                         REMOTE_FOLDER(item->folder)->session = NULL;
1228                 }
1229                 news_folder_unlock(NEWS_FOLDER(item->folder));
1230                 return NULL;
1231         }
1232
1233         if (msglist) {
1234                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1235                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1236                         msginfo = news_parse_xover(ritem);
1237
1238                         if (!msginfo) {
1239                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1240                                 continue;
1241                         }
1242
1243                         msginfo->folder = item;
1244                         news_set_msg_flags(item, msginfo);
1245                         msginfo->flags.tmp_flags |= MSG_NEWS;
1246
1247                         if (!newlist)
1248                                 llast = newlist = g_slist_append(newlist, msginfo);
1249                         else {
1250                                 llast = g_slist_append(llast, msginfo);
1251                                 llast = llast->next;
1252                         }
1253                 }
1254                 newsnntp_xover_resp_list_free(msglist);
1255         }
1256
1257         news_folder_unlock(NEWS_FOLDER(item->folder));
1258
1259         session_set_access_time(SESSION(session));
1260
1261         news_get_extra_fields(session, item, newlist);
1262
1263         return newlist;
1264 }
1265
1266 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1267 {
1268         GSList *msglist = NULL;
1269         NewsSession *session;
1270         MsgInfo *msginfo = NULL;
1271
1272         session = news_session_get(folder);
1273         cm_return_val_if_fail(session != NULL, NULL);
1274         cm_return_val_if_fail(item != NULL, NULL);
1275         cm_return_val_if_fail(item->folder != NULL, NULL);
1276         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1277
1278         msglist = news_get_msginfos_for_range(session, item, num, num);
1279
1280         if (msglist)
1281                 msginfo = msglist->data;
1282
1283         g_slist_free(msglist);
1284
1285         return msginfo;
1286 }
1287
1288 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1289 {
1290         NewsSession *session;
1291         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1292         guint first, last, next;
1293 /*      guint tofetch, fetched;
1294 */
1295
1296         cm_return_val_if_fail(folder != NULL, NULL);
1297         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1298         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1299         cm_return_val_if_fail(item != NULL, NULL);
1300
1301         session = news_session_get(folder);
1302         cm_return_val_if_fail(session != NULL, NULL);
1303
1304         tmp_msgnum_list = g_slist_copy(msgnum_list);
1305         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1306
1307         progressindicator_start(PROGRESS_TYPE_NETWORK);
1308 /*      tofetch = g_slist_length(tmp_msgnum_list);
1309         fetched = 0;
1310 */
1311
1312         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1313         last = first;
1314
1315         news_folder_lock(NEWS_FOLDER(item->folder));
1316
1317         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1318                 next = GPOINTER_TO_INT(elem->data);
1319                 if(next != (last + 1)) {
1320 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1321                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1322 */
1323                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1324                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1325 /*                      fetched = last - first + 1;
1326 */
1327                         first = next;
1328                 }
1329                 last = next;
1330         }
1331
1332         news_folder_unlock(NEWS_FOLDER(item->folder));
1333
1334 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1335         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1336 */
1337         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1338         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1339
1340         g_slist_free(tmp_msgnum_list);
1341
1342         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1343
1344         return msginfo_list;
1345 }
1346
1347 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1348 {
1349         return TRUE;
1350 }
1351
1352 void news_synchronise(FolderItem *item, gint days)
1353 {
1354         news_gtk_synchronise(item, days);
1355 }
1356
1357 static gint news_rename_folder(Folder *folder, FolderItem *item,
1358                                 const gchar *name)
1359 {
1360         gchar *path;
1361
1362         cm_return_val_if_fail(folder != NULL, -1);
1363         cm_return_val_if_fail(item != NULL, -1);
1364         cm_return_val_if_fail(item->path != NULL, -1);
1365         cm_return_val_if_fail(name != NULL, -1);
1366
1367         path = folder_item_get_path(item);
1368         if (!is_dir_exist(path))
1369                 make_dir_hier(path);
1370
1371         g_free(item->name);
1372         item->name = g_strdup(name);
1373
1374         return 0;
1375 }
1376
1377 static gint news_remove_folder(Folder *folder, FolderItem *item)
1378 {
1379         gchar *path;
1380
1381         cm_return_val_if_fail(folder != NULL, -1);
1382         cm_return_val_if_fail(item != NULL, -1);
1383         cm_return_val_if_fail(item->path != NULL, -1);
1384
1385         path = folder_item_get_path(item);
1386         if (remove_dir_recursive(path) < 0) {
1387                 g_warning("can't remove directory `%s'\n", path);
1388                 g_free(path);
1389                 return -1;
1390         }
1391
1392         g_free(path);
1393         folder_item_remove(item);
1394         return 0;
1395 }
1396
1397 void nntp_disconnect_all(gboolean have_connectivity)
1398 {
1399         GList *list;
1400         gboolean short_timeout;
1401 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1402         GError *error;
1403 #endif
1404
1405 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1406         error = NULL;
1407         short_timeout = !networkmanager_is_online(&error);
1408         if(error) {
1409                 short_timeout = TRUE;
1410                 g_error_free(error);
1411         }
1412 #else
1413         short_timeout = TRUE;
1414 #endif
1415
1416         if(short_timeout)
1417                 nntp_main_set_timeout(1);
1418
1419         for (list = account_get_list(); list != NULL; list = list->next) {
1420                 PrefsAccount *account = list->data;
1421                 if (account->protocol == A_NNTP) {
1422                         RemoteFolder *folder = (RemoteFolder *)account->folder;
1423                         if (folder && folder->session) {
1424                                 NewsSession *session = (NewsSession *)folder->session;
1425                                 if (have_connectivity)
1426                                         nntp_threaded_disconnect(FOLDER(folder));
1427                                 SESSION(session)->state = SESSION_DISCONNECTED;
1428                                 SESSION(session)->sock = NULL;
1429                                 session_destroy(SESSION(session));
1430                                 folder->session = NULL;
1431                         }
1432                 }
1433         }
1434
1435         if(short_timeout)
1436                 nntp_main_set_timeout(prefs_common.io_timeout_secs);
1437 }
1438
1439 #else
1440 #include <glib.h>
1441 #include <glib/gi18n.h>
1442 #include <gtk/gtk.h>
1443 #include "folder.h"
1444 #include "alertpanel.h"
1445
1446 static FolderClass news_class;
1447
1448 static void warn_etpan(void)
1449 {
1450         static gboolean missing_news_warning = TRUE;
1451         if (missing_news_warning) {
1452                 missing_news_warning = FALSE;
1453                 alertpanel_error(
1454                         _("You have one or more News accounts "
1455                           "defined. However this version of "
1456                           "Claws Mail has been built without "
1457                           "News support; your News account(s) are "
1458                           "disabled.\n\n"
1459                           "You probably need to "
1460                           "install libetpan and recompile "
1461                           "Claws Mail."));
1462         }
1463 }
1464 static Folder *news_folder_new(const gchar *name, const gchar *path)
1465 {
1466         warn_etpan();
1467         return NULL;
1468 }
1469 void news_group_list_free(GSList *group_list)
1470 {
1471         warn_etpan();
1472 }
1473 void news_remove_group_list_cache(Folder *folder)
1474 {
1475         warn_etpan();
1476 }
1477 int news_folder_locked(Folder *folder)
1478 {
1479         warn_etpan();
1480         return 0;
1481 }
1482 gint news_post(Folder *folder, const gchar *file)
1483 {
1484         warn_etpan();
1485         return -1;
1486 }
1487
1488 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1489 {
1490         warn_etpan();
1491         return -1;
1492 }
1493
1494 GSList *news_get_group_list(Folder *folder)
1495 {
1496         warn_etpan();
1497         return NULL;
1498 }
1499
1500
1501 FolderClass *news_get_class(void)
1502 {
1503         if (news_class.idstr == NULL) {
1504                 news_class.type = F_NEWS;
1505                 news_class.idstr = "news";
1506                 news_class.uistr = "News";
1507
1508                 /* Folder functions */
1509                 news_class.new_folder = news_folder_new;
1510         };
1511
1512         return &news_class;
1513 }
1514
1515 void nntp_disconnect_all(gboolean have_connectivity)
1516 {
1517 }
1518
1519 #endif