src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30 #include <dirent.h>
  31 #include <unistd.h>
  32
  33 #include "intl.h"
  34 #include "news.h"
  35 #include "nntp.h"
  36 #include "socket.h"
  37 #include "recv.h"
  38 #include "procmsg.h"
  39 #include "procheader.h"
  40 #include "folder.h"
  41 #include "session.h"
  42 #include "statusbar.h"
  43 #include "codeconv.h"
  44 #include "utils.h"
  45 #include "prefs_common.h"
  46 #include "prefs_account.h"
  47 #include "inputdialog.h"
  48 #include "alertpanel.h"
  49
  50 #define NNTP_PORT       119
  51
  52 static Session *news_session_new         (const gchar   *server,
  53                                           gushort        port,
  54                                           const gchar   *userid,
  55                                           const gchar   *passwd);
  56
  57 static gint news_get_article_cmd         (NNTPSession   *session,
  58                                           const gchar   *cmd,
  59                                           gint           num,
  60                                           gchar         *filename);
  61 static gint news_get_article             (NNTPSession   *session,
  62                                           gint           num,
  63                                           gchar         *filename);
  64 static gint news_get_header              (NNTPSession   *session,
  65                                           gint           num,
  66                                           gchar         *filename);
  67
  68 static gint news_select_group            (NNTPSession   *session,
  69                                           const gchar   *group);
  70 static GSList *news_get_uncached_articles(NNTPSession   *session,
  71                                           FolderItem    *item,
  72                                           gint           cache_last,
  73                                           gint          *rfirst,
  74                                           gint          *rlast);
  75 static MsgInfo *news_parse_xover         (const gchar   *xover_str);
  76 static gchar *news_parse_xhdr            (const gchar   *xhdr_str,
  77                                           MsgInfo       *msginfo);
  78 static GSList *news_delete_old_articles  (GSList        *alist,
  79                                           FolderItem    *item,
  80                                           gint           first);
  81 static void news_delete_all_articles     (FolderItem    *item);
  82
  83
  84 static Session *news_session_new(const gchar *server, gushort port,
  85                                  const gchar *userid, const gchar *passwd)
  86 {
  87         gchar buf[NNTPBUFSIZE];
  88         NNTPSession *session;
  89         NNTPSockInfo *nntp_sock;
  90
  91         g_return_val_if_fail(server != NULL, NULL);
  92
  93         log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
  94
  95         if (userid && passwd)
  96                 nntp_sock = nntp_open_auth(server, port, buf, userid, passwd);
  97         else
  98                 nntp_sock = nntp_open(server, port, buf);
  99         if (nntp_sock == NULL)
 100                 return NULL;
 101
 102         session = g_new(NNTPSession, 1);
 103         SESSION(session)->type      = SESSION_NEWS;
 104         SESSION(session)->server    = g_strdup(server);
 105         session->nntp_sock          = nntp_sock;
 106         SESSION(session)->sock      = nntp_sock->sock;
 107         SESSION(session)->connected = TRUE;
 108         SESSION(session)->phase     = SESSION_READY;
 109         SESSION(session)->data      = NULL;
 110         session->group = NULL;
 111
 112         return SESSION(session);
 113 }
 114
 115 void news_session_destroy(NNTPSession *session)
 116 {
 117         nntp_close(session->nntp_sock);
 118         session->nntp_sock = NULL;
 119         SESSION(session)->sock = NULL;
 120
 121         g_free(session->group);
 122 }
 123
 124 static gchar *news_query_password(const gchar *server, const gchar *user)
 125 {
 126         gchar *message;
 127         gchar *pass;
 128
 129         message = g_strdup_printf(_("Input password for %s on %s:"),
 130                                   user, server);
 131         pass = input_dialog_with_invisible(_("Input password"), message, NULL);
 132         g_free(message);
 133
 134         return pass;
 135 }
 136
 137 static Session *news_session_new_for_folder(Folder *folder)
 138 {
 139         Session *session;
 140         PrefsAccount *ac;
 141         const gchar *userid = NULL;
 142         gchar *passwd = NULL;
 143
 144         ac = folder->account;
 145         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 146                 userid = ac->userid;
 147                 if (ac->passwd && ac->passwd[0])
 148                         passwd = g_strdup(ac->passwd);
 149                 else
 150                         passwd = news_query_password(ac->nntp_server, userid);
 151         }
 152
 153         session = news_session_new(ac->nntp_server, NNTP_PORT, userid, passwd);
 154         g_free(passwd);
 155
 156         return session;
 157 }
 158
 159 NNTPSession *news_session_get(Folder *folder)
 160 {
 161         NNTPSession *session;
 162
 163         g_return_val_if_fail(folder != NULL, NULL);
 164         g_return_val_if_fail(folder->type == F_NEWS, NULL);
 165         g_return_val_if_fail(folder->account != NULL, NULL);
 166
 167         if (!REMOTE_FOLDER(folder)->session) {
 168                 REMOTE_FOLDER(folder)->session =
 169                         news_session_new_for_folder(folder);
 170                 return NNTP_SESSION(REMOTE_FOLDER(folder)->session);
 171         }
 172
 173         session = NNTP_SESSION(REMOTE_FOLDER(folder)->session);
 174
 175         if (nntp_mode(session->nntp_sock, FALSE) != NN_SUCCESS) {
 176                 log_warning(_("NNTP connection to %s:%d has been"
 177                               " disconnected. Reconnecting...\n"),
 178                             folder->account->nntp_server, NNTP_PORT);
 179                 session_destroy(REMOTE_FOLDER(folder)->session);
 180                 REMOTE_FOLDER(folder)->session =
 181                         news_session_new_for_folder(folder);
 182         }
 183
 184         return NNTP_SESSION(REMOTE_FOLDER(folder)->session);
 185 }
 186
 187 GSList *news_get_article_list(Folder *folder, FolderItem *item,
 188                               gboolean use_cache)
 189 {
 190         GSList *alist;
 191         NNTPSession *session;
 192
 193         g_return_val_if_fail(folder != NULL, NULL);
 194         g_return_val_if_fail(item != NULL, NULL);
 195         g_return_val_if_fail(folder->type == F_NEWS, NULL);
 196
 197         session = news_session_get(folder);
 198
 199         if (!session) {
 200                 alist = procmsg_read_cache(item, FALSE);
 201                 item->last_num = procmsg_get_last_num_in_cache(alist);
 202         } else if (use_cache) {
 203                 GSList *newlist;
 204                 gint cache_last;
 205                 gint first, last;
 206
 207                 alist = procmsg_read_cache(item, FALSE);
 208
 209                 cache_last = procmsg_get_last_num_in_cache(alist);
 210                 newlist = news_get_uncached_articles
 211                         (session, item, cache_last, &first, &last);
 212                 alist = news_delete_old_articles(alist, item, first);
 213
 214                 alist = g_slist_concat(alist, newlist);
 215                 item->last_num = last;
 216         } else {
 217                 gint last;
 218
 219                 alist = news_get_uncached_articles
 220                         (session, item, 0, NULL, &last);
 221                 news_delete_all_articles(item);
 222                 item->last_num = last;
 223         }
 224
 225         procmsg_set_flags(alist, item);
 226
 227         statusbar_pop_all();
 228
 229         return alist;
 230 }
 231
 232 gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 233 {
 234         gchar *path, *filename;
 235         gint ok;
 236
 237         g_return_val_if_fail(folder != NULL, NULL);
 238         g_return_val_if_fail(item != NULL, NULL);
 239
 240         path = folder_item_get_path(item);
 241         if (!is_dir_exist(path))
 242                 make_dir_hier(path);
 243
 244         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 245         g_free(path);
 246
 247         if (is_file_exist(filename)) {
 248                 debug_print(_("article %d has been already cached.\n"), num);
 249                 return filename;
 250         }
 251
 252         if (!REMOTE_FOLDER(folder)->session) {
 253                 g_free(filename);
 254                 return NULL;
 255         }
 256
 257         ok = news_select_group(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
 258                                item->path);
 259         if (ok != NN_SUCCESS) {
 260                 g_warning(_("can't select group %s\n"), item->path);
 261                 g_free(filename);
 262                 return NULL;
 263         }
 264
 265         debug_print(_("getting article %d...\n"), num);
 266         ok = news_get_article(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
 267                               num, filename);
 268         statusbar_pop_all();
 269         if (ok < 0) {
 270                 g_warning(_("can't read article %d\n"), num);
 271                 g_free(filename);
 272                 return NULL;
 273         }
 274
 275         return filename;
 276 }
 277
 278 void news_scan_group(Folder *folder, FolderItem *item)
 279 {
 280 }
 281
 282 gint news_post(Folder *folder, const gchar *file)
 283 {
 284         NNTPSession *session;
 285         FILE *fp;
 286         gint ok;
 287
 288         g_return_val_if_fail(folder != NULL, -1);
 289         g_return_val_if_fail(folder->type == F_NEWS, -1);
 290         g_return_val_if_fail(file != NULL, -1);
 291
 292         session = news_session_get(folder);
 293         if (!session) return -1;
 294
 295         if ((fp = fopen(file, "r")) == NULL) {
 296                 FILE_OP_ERROR(file, "fopen");
 297                 return -1;
 298         }
 299
 300         ok = nntp_post(session->nntp_sock, fp);
 301         if (ok != NN_SUCCESS) {
 302                 log_warning(_("can't post article.\n"));
 303                 return -1;
 304         }
 305
 306         fclose(fp);
 307
 308         statusbar_pop_all();
 309
 310         return 0;
 311 }
 312
 313 static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
 314                                  gint num, gchar *filename)
 315 {
 316         gchar *msgid;
 317
 318         if (nntp_get_article(session->nntp_sock, cmd, num, &msgid)
 319             != NN_SUCCESS)
 320                 return -1;
 321
 322         debug_print("Message-Id = %s, num = %d\n", msgid, num);
 323         g_free(msgid);
 324
 325         if (recv_write_to_file(session->nntp_sock->sock, filename) < 0) {
 326                 log_warning(_("can't retrieve article %d\n"), num);
 327                 return -1;
 328         }
 329
 330         return 0;
 331 }
 332
 333 static gint news_get_article(NNTPSession *session, gint num, gchar *filename)
 334 {
 335         return news_get_article_cmd(session, "ARTICLE", num, filename);
 336 }
 337
 338 static gint news_get_header(NNTPSession *session, gint num, gchar *filename)
 339 {
 340         return news_get_article_cmd(session, "HEAD", num, filename);
 341 }
 342
 343 /**
 344  * news_select_group:
 345  * @session: Active NNTP session.
 346  * @group: Newsgroup name.
 347  *
 348  * Select newsgroup @group with the GROUP command if it is not already
 349  * selected in @session.
 350  *
 351  * Return value: NNTP result code.
 352  **/
 353 static gint news_select_group(NNTPSession *session, const gchar *group)
 354 {
 355         gint ok;
 356         gint num, first, last;
 357
 358         if (session->group && g_strcasecmp(session->group, group) == 0)
 359                 return NN_SUCCESS;
 360
 361         g_free(session->group);
 362         session->group = NULL;
 363
 364         ok = nntp_group(session->nntp_sock, group, &num, &first, &last);
 365         if (ok == NN_SUCCESS)
 366                 session->group = g_strdup(group);
 367
 368         return ok;
 369 }
 370
 371 static GSList *news_get_uncached_articles(NNTPSession *session,
 372                                           FolderItem *item, gint cache_last,
 373                                           gint *rfirst, gint *rlast)
 374 {
 375         gint ok;
 376         gint num = 0, first = 0, last = 0, begin = 0, end = 0;
 377         gchar buf[NNTPBUFSIZE];
 378         GSList *newlist = NULL;
 379         GSList *llast = NULL;
 380         MsgInfo *msginfo;
 381
 382         if (rfirst) *rfirst = 0;
 383         if (rlast)  *rlast  = 0;
 384
 385         g_return_val_if_fail(session != NULL, NULL);
 386         g_return_val_if_fail(item != NULL, NULL);
 387         g_return_val_if_fail(item->folder != NULL, NULL);
 388         g_return_val_if_fail(item->folder->type == F_NEWS, NULL);
 389
 390         g_free(session->group);
 391         session->group = NULL;
 392
 393         ok = nntp_group(session->nntp_sock, item->path,
 394                         &num, &first, &last);
 395         if (ok != NN_SUCCESS) {
 396                 log_warning(_("can't set group: %s\n"), item->path);
 397                 return NULL;
 398         }
 399         session->group = g_strdup(item->path);
 400
 401         /* calculate getting overview range */
 402         if (first > last) {
 403                 log_warning(_("invalid article range: %d - %d\n"),
 404                             first, last);
 405                 return NULL;
 406         }
 407         if (cache_last < first)
 408                 begin = first;
 409         else if (last < cache_last)
 410                 begin = first;
 411         else if (last == cache_last) {
 412                 debug_print(_("no new articles.\n"));
 413                 return NULL;
 414         } else
 415                 begin = cache_last + 1;
 416         end = last;
 417
 418         if (rfirst) *rfirst = first;
 419         if (rlast)  *rlast  = last;
 420
 421         if (prefs_common.max_articles > 0 &&
 422             end - begin + 1 > prefs_common.max_articles)
 423                 begin = end - prefs_common.max_articles + 1;
 424
 425         log_message(_("getting xover %d - %d in %s...\n"),
 426                     begin, end, item->path);
 427         if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
 428                 log_warning(_("can't get xover\n"));
 429                 return NULL;
 430         }
 431
 432         for (;;) {
 433                 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
 434                         log_warning(_("error occurred while getting xover.\n"));
 435                         return newlist;
 436                 }
 437
 438                 if (buf[0] == '.' && buf[1] == '\r') break;
 439
 440                 msginfo = news_parse_xover(buf);
 441                 if (!msginfo) {
 442                         log_warning(_("invalid xover line: %s\n"), buf);
 443                         continue;
 444                 }
 445
 446                 msginfo->folder = item;
 447                 msginfo->flags = MSG_NEW|MSG_UNREAD|MSG_NEWS;
 448                 msginfo->newsgroups = g_strdup(item->path);
 449
 450                 if (!newlist)
 451                         llast = newlist = g_slist_append(newlist, msginfo);
 452                 else {
 453                         llast = g_slist_append(llast, msginfo);
 454                         llast = llast->next;
 455                 }
 456         }
 457
 458         if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
 459                 log_warning(_("can't get xhdr\n"));
 460                 return newlist;
 461         }
 462
 463         llast = newlist;
 464
 465         for (;;) {
 466                 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
 467                         log_warning(_("error occurred while getting xhdr.\n"));
 468                         return newlist;
 469                 }
 470
 471                 if (buf[0] == '.' && buf[1] == '\r') break;
 472                 if (!llast) {
 473                         g_warning("llast == NULL\n");
 474                         continue;
 475                 }
 476
 477                 msginfo = (MsgInfo *)llast->data;
 478                 msginfo->to = news_parse_xhdr(buf, msginfo);
 479
 480                 llast = llast->next;
 481         }
 482
 483         if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
 484                 log_warning(_("can't get xhdr\n"));
 485                 return newlist;
 486         }
 487
 488         llast = newlist;
 489
 490         for (;;) {
 491                 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
 492                         log_warning(_("error occurred while getting xhdr.\n"));
 493                         return newlist;
 494                 }
 495
 496                 if (buf[0] == '.' && buf[1] == '\r') break;
 497                 if (!llast) {
 498                         g_warning("llast == NULL\n");
 499                         continue;
 500                 }
 501
 502                 msginfo = (MsgInfo *)llast->data;
 503                 msginfo->cc = news_parse_xhdr(buf, msginfo);
 504
 505                 llast = llast->next;
 506         }
 507
 508         return newlist;
 509 }
 510
 511 #define PARSE_ONE_PARAM(p, srcp) \
 512 { \
 513         p = strchr(srcp, '\t'); \
 514         if (!p) return NULL; \
 515         else \
 516                 *p++ = '\0'; \
 517 }
 518
 519 static MsgInfo *news_parse_xover(const gchar *xover_str)
 520 {
 521         MsgInfo *msginfo;
 522         gchar buf[NNTPBUFSIZE];
 523         gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
 524         gchar *p;
 525         gint num, size_int, line_int;
 526         gchar *xover_buf;
 527
 528         Xalloca(xover_buf, strlen(xover_str) + 1, return NULL);
 529         strcpy(xover_buf, xover_str);
 530
 531         PARSE_ONE_PARAM(subject, xover_buf);
 532         PARSE_ONE_PARAM(sender, subject);
 533         PARSE_ONE_PARAM(date, sender);
 534         PARSE_ONE_PARAM(msgid, date);
 535         PARSE_ONE_PARAM(ref, msgid);
 536         PARSE_ONE_PARAM(size, ref);
 537         PARSE_ONE_PARAM(line, size);
 538
 539         tmp = strchr(line, '\t');
 540         if (!tmp) tmp = strchr(line, '\r');
 541         if (!tmp) tmp = strchr(line, '\n');
 542         if (tmp) *tmp = '\0';
 543
 544         num = atoi(xover_str);
 545         size_int = atoi(size);
 546         line_int = atoi(line);
 547
 548         /* set MsgInfo */
 549         msginfo = g_new0(MsgInfo, 1);
 550         msginfo->msgnum = num;
 551         msginfo->size = size_int;
 552
 553         msginfo->date = g_strdup(date);
 554         msginfo->date_t = procheader_date_parse(NULL, date, 0);
 555
 556         conv_unmime_header(buf, sizeof(buf), sender, NULL);
 557         msginfo->from = g_strdup(buf);
 558         msginfo->fromname = procheader_get_fromname(buf);
 559
 560         conv_unmime_header(buf, sizeof(buf), subject, NULL);
 561         msginfo->subject = g_strdup(buf);
 562
 563         extract_parenthesis(msgid, '<', '>');
 564         remove_space(msgid);
 565         if (*msgid != '\0')
 566                 msginfo->msgid = g_strdup(msgid);
 567
 568         msginfo->references = g_strdup(ref);
 569         eliminate_parenthesis(ref, '(', ')');
 570         if ((p = strrchr(ref, '<')) != NULL) {
 571                 extract_parenthesis(p, '<', '>');
 572                 remove_space(p);
 573                 if (*p != '\0')
 574                         msginfo->inreplyto = g_strdup(p);
 575         }
 576
 577         return msginfo;
 578 }
 579
 580 static gchar *news_parse_xhdr(const gchar *xhdr_str, MsgInfo *msginfo)
 581 {
 582         gchar buf[NNTPBUFSIZE];
 583         gchar *p;
 584         gchar *tmp;
 585         gint num;
 586
 587         p = strchr(xhdr_str, ' ');
 588         if (!p)
 589                 return NULL;
 590         else
 591                 p++;
 592
 593         num = atoi(xhdr_str);
 594         if (msginfo->msgnum != num) return NULL;
 595
 596         tmp = strchr(p, '\r');
 597         if (!tmp) tmp = strchr(p, '\n');
 598
 599         if (tmp)
 600                 return g_strndup(p, tmp - p);
 601         else
 602                 return g_strdup(p);
 603 }
 604
 605 static GSList *news_delete_old_articles(GSList *alist, FolderItem *item,
 606                                         gint first)
 607 {
 608         GSList *cur, *next;
 609         MsgInfo *msginfo;
 610         gchar *dir;
 611
 612         g_return_val_if_fail(item != NULL, alist);
 613         g_return_val_if_fail(item->folder != NULL, alist);
 614         g_return_val_if_fail(item->folder->type == F_NEWS, alist);
 615
 616         if (first < 2) return alist;
 617
 618         debug_print(_("Deleting cached articles 1 - %d ... "), first - 1);
 619
 620         dir = folder_item_get_path(item);
 621         remove_numbered_files(dir, 1, first - 1);
 622         g_free(dir);
 623
 624         for (cur = alist; cur != NULL; ) {
 625                 next = cur->next;
 626
 627                 msginfo = (MsgInfo *)cur->data;
 628                 if (msginfo && msginfo->msgnum < first) {
 629                         procmsg_msginfo_free(msginfo);
 630                         alist = g_slist_remove(alist, msginfo);
 631                 }
 632
 633                 cur = next;
 634         }
 635
 636         return alist;
 637 }
 638
 639 static void news_delete_all_articles(FolderItem *item)
 640 {
 641         gchar *dir;
 642
 643         g_return_if_fail(item != NULL);
 644         g_return_if_fail(item->folder != NULL);
 645         g_return_if_fail(item->folder->type == F_NEWS);
 646
 647         debug_print(_("\tDeleting all cached articles... "));
 648
 649         dir = folder_item_get_path(item);
 650         if (!is_dir_exist(dir))
 651                 make_dir_hier(dir);
 652         remove_all_numbered_files(dir);
 653         g_free(dir);
 654
 655         debug_print(_("done.\n"));
 656 }
 657
 658 /*
 659   news_get_group_list returns a strings list.
 660   These strings are the names of the newsgroups of a server.
 661   item is the FolderItem of the news server.
 662   The names of the newsgroups are cached into a file so that
 663   when the function is called again, there is no need to make
 664   a request to the server.
 665  */
 666
 667 GSList * news_get_group_list(FolderItem *item)
 668 {
 669         gchar *path, *filename;
 670         gint ok;
 671         NNTPSession *session;
 672         GSList * group_list = NULL;
 673         FILE * f;
 674         gchar buf[NNTPBUFSIZE];
 675         int len;
 676
 677         if (item == NULL)
 678           return NULL;
 679
 680         path = folder_item_get_path(item);
 681
 682         if (!is_dir_exist(path))
 683                 make_dir_hier(path);
 684
 685         filename = g_strconcat(path, G_DIR_SEPARATOR_S, GROUPLIST_FILE, NULL);
 686         g_free(path);
 687
 688         session = news_session_get(item->folder);
 689
 690         if (session == NULL)
 691           return NULL;
 692
 693         if (is_file_exist(filename)) {
 694                 debug_print(_("group list has been already cached.\n"));
 695         }
 696         else {
 697             ok = nntp_list(session->nntp_sock);
 698             if (ok != NN_SUCCESS)
 699               return NULL;
 700
 701             if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
 702               log_warning(_("can't retrieve group list\n"));
 703               return NULL;
 704             }
 705         }
 706
 707         f = fopen(filename, "r");
 708         while (fgets(buf, NNTPBUFSIZE, f)) {
 709             char * s;
 710
 711             len = 0;
 712             while ((buf[len] != 0) && (buf[len] != ' '))
 713               len++;
 714             buf[len] = 0;
 715             s = g_strdup(buf);
 716
 717             group_list = g_slist_append(group_list, s);
 718         }
 719         fclose(f);
 720         g_free(filename);
 721
 722         group_list = g_slist_sort(group_list, (GCompareFunc) g_strcasecmp);
 723
 724         return group_list;
 725 }
 726
 727 /*
 728   remove the cache file of the names of the newsgroups.
 729  */
 730
 731 void news_reset_group_list(FolderItem *item)
 732 {
 733         gchar *path, *filename;
 734
 735         debug_print(_("\tDeleting cached group list... "));
 736         path = folder_item_get_path(item);
 737         if (!is_dir_exist(path))
 738                 make_dir_hier(path);
 739
 740         filename = g_strconcat(path, G_DIR_SEPARATOR_S, GROUPLIST_FILE, NULL);
 741         g_free(path);
 742         if (remove(filename) != 0)
 743           log_warning(_("can't delete cached group list %s\n"), filename);
 744         g_free(filename);
 745 }