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