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claws-mail/src/news.c
Colin Leroy fd779c80a5 Coverity fixes
2014-06-06 13:38:18 +02:00

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include "claws-features.h"
#endif
#ifdef HAVE_LIBETPAN
#include "defs.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <time.h>
#include <libetpan/libetpan.h>
#include "nntp-thread.h"
#include "news.h"
#include "news_gtk.h"
#include "socket.h"
#include "recv.h"
#include "procmsg.h"
#include "procheader.h"
#include "folder.h"
#include "session.h"
#include "statusbar.h"
#include "codeconv.h"
#include "utils.h"
#include "prefs_common.h"
#include "prefs_account.h"
#include "inputdialog.h"
#include "log.h"
#include "progressindicator.h"
#include "remotefolder.h"
#include "alertpanel.h"
#include "inc.h"
#include "account.h"
#ifdef USE_GNUTLS
# include "ssl.h"
#endif
#include "main.h"
#define NNTP_PORT 119
#ifdef USE_GNUTLS
#define NNTPS_PORT 563
#endif
typedef struct _NewsFolder NewsFolder;
typedef struct _NewsSession NewsSession;
#define NEWS_FOLDER(obj) ((NewsFolder *)obj)
#define NEWS_SESSION(obj) ((NewsSession *)obj)
struct _NewsFolder
{
RemoteFolder rfolder;
gboolean use_auth;
gboolean lock_count;
guint refcnt;
};
struct _NewsSession
{
Session session;
Folder *folder;
gchar *group;
};
static void news_folder_init(Folder *folder, const gchar *name,
const gchar *path);
static Folder *news_folder_new (const gchar *name,
const gchar *folder);
static void news_folder_destroy (Folder *folder);
static gchar *news_fetch_msg (Folder *folder,
FolderItem *item,
gint num);
static void news_remove_cached_msg (Folder *folder,
FolderItem *item,
MsgInfo *msginfo);
#ifdef USE_GNUTLS
static Session *news_session_new (Folder *folder,
const gchar *server,
gushort port,
const gchar *userid,
const gchar *passwd,
SSLType ssl_type);
#else
static Session *news_session_new (Folder *folder,
const gchar *server,
gushort port,
const gchar *userid,
const gchar *passwd);
#endif
static gint news_get_article (Folder *folder,
gint num,
gchar *filename);
static gint news_select_group (Folder *folder,
const gchar *group,
gint *num,
gint *first,
gint *last);
static MsgInfo *news_parse_xover (struct newsnntp_xover_resp_item *item);
static gint news_get_num_list (Folder *folder,
FolderItem *item,
GSList **list,
gboolean *old_uids_valid);
static MsgInfo *news_get_msginfo (Folder *folder,
FolderItem *item,
gint num);
static GSList *news_get_msginfos (Folder *folder,
FolderItem *item,
GSList *msgnum_list);
static gboolean news_scan_required (Folder *folder,
FolderItem *item);
static gchar *news_folder_get_path (Folder *folder);
static gchar *news_item_get_path (Folder *folder,
FolderItem *item);
static void news_synchronise (FolderItem *item, gint days);
static int news_remove_msg (Folder *folder,
FolderItem *item,
gint msgnum);
static gint news_rename_folder (Folder *folder,
FolderItem *item,
const gchar *name);
static gint news_remove_folder (Folder *folder,
FolderItem *item);
static FolderClass news_class;
FolderClass *news_get_class(void)
{
if (news_class.idstr == NULL) {
news_class.type = F_NEWS;
news_class.idstr = "news";
news_class.uistr = "News";
news_class.supports_server_search = FALSE;
/* Folder functions */
news_class.new_folder = news_folder_new;
news_class.destroy_folder = news_folder_destroy;
/* FolderItem functions */
news_class.item_get_path = news_item_get_path;
news_class.get_num_list = news_get_num_list;
news_class.scan_required = news_scan_required;
news_class.rename_folder = news_rename_folder;
news_class.remove_folder = news_remove_folder;
/* Message functions */
news_class.get_msginfo = news_get_msginfo;
news_class.get_msginfos = news_get_msginfos;
news_class.fetch_msg = news_fetch_msg;
news_class.synchronise = news_synchronise;
news_class.search_msgs = folder_item_search_msgs_local;
news_class.remove_msg = news_remove_msg;
news_class.remove_cached_msg = news_remove_cached_msg;
};
return &news_class;
}
guint nntp_folder_get_refcnt(Folder *folder)
{
return ((NewsFolder *)folder)->refcnt;
}
void nntp_folder_ref(Folder *folder)
{
((NewsFolder *)folder)->refcnt++;
}
void nntp_folder_unref(Folder *folder)
{
if (((NewsFolder *)folder)->refcnt > 0)
((NewsFolder *)folder)->refcnt--;
}
static int news_remove_msg (Folder *folder,
FolderItem *item,
gint msgnum)
{
gchar *path, *filename;
cm_return_val_if_fail(folder != NULL, -1);
cm_return_val_if_fail(item != NULL, -1);
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
g_free(path);
claws_unlink(filename);
g_free(filename);
return 0;
}
static void news_folder_lock(NewsFolder *folder)
{
folder->lock_count++;
}
static void news_folder_unlock(NewsFolder *folder)
{
if (folder->lock_count > 0)
folder->lock_count--;
}
int news_folder_locked(Folder *folder)
{
if (folder == NULL)
return 0;
return NEWS_FOLDER(folder)->lock_count;
}
static Folder *news_folder_new(const gchar *name, const gchar *path)
{
Folder *folder;
folder = (Folder *)g_new0(NewsFolder, 1);
folder->klass = &news_class;
news_folder_init(folder, name, path);
return folder;
}
static void news_folder_destroy(Folder *folder)
{
gchar *dir;
while (nntp_folder_get_refcnt(folder) > 0)
gtk_main_iteration();
dir = news_folder_get_path(folder);
if (is_dir_exist(dir))
remove_dir_recursive(dir);
g_free(dir);
nntp_done(folder);
folder_remote_folder_destroy(REMOTE_FOLDER(folder));
}
static void news_folder_init(Folder *folder, const gchar *name,
const gchar *path)
{
folder_remote_folder_init(folder, name, path);
}
static void news_session_destroy(Session *session)
{
NewsSession *news_session = NEWS_SESSION(session);
cm_return_if_fail(session != NULL);
if (news_session->group)
g_free(news_session->group);
}
static gboolean nntp_ping(gpointer data)
{
Session *session = (Session *)data;
NewsSession *news_session = NEWS_SESSION(session);
int r;
struct tm lt;
if (session->state != SESSION_READY || news_folder_locked(news_session->folder))
return FALSE;
news_folder_lock(NEWS_FOLDER(news_session->folder));
if ((r = nntp_threaded_date(news_session->folder, &lt)) != NEWSNNTP_NO_ERROR) {
if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
" disconnected.\n"),
news_session->folder->account->nntp_server,
news_session->folder->account->set_nntpport ?
news_session->folder->account->nntpport : NNTP_PORT);
REMOTE_FOLDER(news_session->folder)->session = NULL;
news_folder_unlock(NEWS_FOLDER(news_session->folder));
session->state = SESSION_DISCONNECTED;
session->sock = NULL;
session_destroy(session);
return FALSE;
}
}
news_folder_unlock(NEWS_FOLDER(news_session->folder));
session_set_access_time(session);
return TRUE;
}
#ifdef USE_GNUTLS
static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
const gchar *userid, const gchar *passwd,
SSLType ssl_type)
#else
static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
const gchar *userid, const gchar *passwd)
#endif
{
NewsSession *session;
int r = 0;
cm_return_val_if_fail(server != NULL, NULL);
log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s:%d...\n"),
folder->account->account_name, server, port);
session = g_new0(NewsSession, 1);
session_init(SESSION(session), folder->account, FALSE);
SESSION(session)->type = SESSION_NEWS;
SESSION(session)->server = g_strdup(server);
SESSION(session)->port = port;
SESSION(session)->sock = NULL;
SESSION(session)->destroy = news_session_destroy;
nntp_init(folder);
#ifdef USE_GNUTLS
if (ssl_type != SSL_NONE)
r = nntp_threaded_connect_ssl(folder, server, port);
else
#endif
r = nntp_threaded_connect(folder, server, port);
if (r != NEWSNNTP_NO_ERROR) {
log_error(LOG_PROTOCOL, _("Error logging in to %s:%d...\n"), server, port);
session_destroy(SESSION(session));
return NULL;
}
session->folder = folder;
return SESSION(session);
}
static Session *news_session_new_for_folder(Folder *folder)
{
Session *session;
PrefsAccount *ac;
const gchar *userid = NULL;
gchar *passwd = NULL;
gushort port;
int r;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(folder->account != NULL, NULL);
ac = folder->account;
#ifdef USE_GNUTLS
port = ac->set_nntpport ? ac->nntpport
: ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
ac->ssl_nntp);
#else
if (ac->ssl_nntp != SSL_NONE) {
if (alertpanel_full(_("Insecure connection"),
_("This connection is configured to be secured "
"using SSL, but SSL is not available in this "
"build of Claws Mail. \n\n"
"Do you want to continue connecting to this "
"server? The communication would not be "
"secure."),
GTK_STOCK_CANCEL, _("Con_tinue connecting"),
NULL, FALSE, NULL, ALERT_WARNING,
G_ALERTDEFAULT) != G_ALERTALTERNATE)
return NULL;
}
port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
#endif
if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
userid = ac->userid;
if (password_get(userid, ac->nntp_server, "nntp", port, &passwd)) {
/* NOP */;
} else if (ac->passwd && ac->passwd[0])
passwd = g_strdup(ac->passwd);
else
passwd = input_dialog_query_password_keep(ac->nntp_server,
userid,
&(ac->session_passwd));
}
if (session != NULL)
r = nntp_threaded_mode_reader(folder);
else
r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
if (r != NEWSNNTP_NO_ERROR) {
if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
/*
FIX ME when libetpan implements 480 to indicate authorization
is required to use this capability. Libetpan treats a 480 as a
381 which is clearly wrong.
RFC 4643 section 2.
Response code 480
Generic response
Meaning: command unavailable until the client
has authenticated itself.
*/
/* if the server does not advertise the capability MODE-READER,
we normally should not send MODE READER. However this can't
hurt: a transit-only server returns 502 and closes the cnx.
Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
*/
log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
"so for now we choose to continue\n"));
}
else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
/* if the server does not advertise the capability MODE-READER,
we normally should not send MODE READER. However this can't
hurt: a transit-only server returns 502 and closes the cnx.
Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
*/
log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
}
else {
/* An error state bail out */
log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
if (session != NULL)
session_destroy(SESSION(session));
g_free(passwd);
if (ac->session_passwd) {
g_free(ac->session_passwd);
ac->session_passwd = NULL;
}
return NULL;
}
}
if ((session != NULL) && ac->use_nntp_auth) { /* FIXME: && ac->use_nntp_auth_onconnect */
if (nntp_threaded_login(folder, userid, passwd) !=
NEWSNNTP_NO_ERROR) {
log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d...\n"), ac->nntp_server, port);
session_destroy(SESSION(session));
g_free(passwd);
if (ac->session_passwd) {
g_free(ac->session_passwd);
ac->session_passwd = NULL;
}
return NULL;
}
}
g_free(passwd);
return session;
}
static NewsSession *news_session_get(Folder *folder)
{
RemoteFolder *rfolder = REMOTE_FOLDER(folder);
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
cm_return_val_if_fail(folder->account != NULL, NULL);
if (prefs_common.work_offline &&
!inc_offline_should_override(FALSE,
_("Claws Mail needs network access in order "
"to access the News server."))) {
return NULL;
}
if (!rfolder->session) {
rfolder->session = news_session_new_for_folder(folder);
session_register_ping(SESSION(rfolder->session), nntp_ping);
return NEWS_SESSION(rfolder->session);
}
/* Handle port change (also ssl/nossl change) without needing to
* restart application. */
if (rfolder->session->port != folder->account->nntpport) {
session_destroy(rfolder->session);
rfolder->session = news_session_new_for_folder(folder);
session_register_ping(SESSION(rfolder->session), nntp_ping);
goto newsession;
}
if (time(NULL) - rfolder->session->last_access_time <
SESSION_TIMEOUT_INTERVAL) {
return NEWS_SESSION(rfolder->session);
}
if (!nntp_ping(rfolder->session)) {
rfolder->session = news_session_new_for_folder(folder);
session_register_ping(SESSION(rfolder->session), nntp_ping);
}
newsession:
if (rfolder->session)
session_set_access_time(rfolder->session);
return NEWS_SESSION(rfolder->session);
}
static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
{
gchar *path, *filename;
path = folder_item_get_path(item);
if (!is_dir_exist(path)) {
g_free(path);
return;
}
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
g_free(path);
if (is_file_exist(filename)) {
claws_unlink(filename);
}
g_free(filename);
}
static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
{
gchar *path, *filename;
NewsSession *session;
gint ok;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
g_free(path);
if (is_file_exist(filename)) {
debug_print("article %d has been already cached.\n", num);
return filename;
}
session = news_session_get(folder);
if (!session) {
g_free(filename);
return NULL;
}
ok = news_select_group(folder, item->path, NULL, NULL, NULL);
if (ok != NEWSNNTP_NO_ERROR) {
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
g_free(filename);
return NULL;
}
debug_print("getting article %d...\n", num);
ok = news_get_article(folder,
num, filename);
if (ok != NEWSNNTP_NO_ERROR) {
g_warning("can't read article %d\n", num);
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
g_free(filename);
return NULL;
}
GTK_EVENTS_FLUSH();
return filename;
}
static NewsGroupInfo *news_group_info_new(const gchar *name,
gint first, gint last, gchar type)
{
NewsGroupInfo *ginfo;
ginfo = g_new(NewsGroupInfo, 1);
ginfo->name = g_strdup(name);
ginfo->first = first;
ginfo->last = last;
ginfo->type = type;
return ginfo;
}
static void news_group_info_free(NewsGroupInfo *ginfo)
{
g_free(ginfo->name);
g_free(ginfo);
}
static gint news_group_info_compare(NewsGroupInfo *ginfo1,
NewsGroupInfo *ginfo2)
{
return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
}
GSList *news_get_group_list(Folder *folder)
{
gchar *path, *filename;
FILE *fp;
GSList *list = NULL;
GSList *last = NULL;
gchar buf[BUFFSIZE];
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
if (!is_dir_exist(path))
make_dir_hier(path);
filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
g_free(path);
if ((fp = g_fopen(filename, "rb")) == NULL) {
NewsSession *session;
gint ok;
clist *grouplist = NULL;
clistiter *cur;
fp = g_fopen(filename, "wb");
if (!fp) {
g_free(filename);
return NULL;
}
session = news_session_get(folder);
if (!session) {
fclose(fp);
g_free(filename);
return NULL;
}
ok = nntp_threaded_list(folder, &grouplist);
if (ok != NEWSNNTP_NO_ERROR) {
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
fclose(fp);
g_free(filename);
return NULL;
}
if (grouplist) {
for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
struct newsnntp_group_info *info = (struct newsnntp_group_info *)
clist_content(cur);
if (fprintf(fp, "%s %d %d %c\n",
info->grp_name,
info->grp_last,
info->grp_first,
info->grp_type) < 0) {
log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
fclose(fp);
g_free(filename);
newsnntp_list_free(grouplist);
return NULL;
}
}
newsnntp_list_free(grouplist);
}
if (fclose(fp) == EOF) {
log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
g_free(filename);
return NULL;
}
if ((fp = g_fopen(filename, "rb")) == NULL) {
FILE_OP_ERROR(filename, "fopen");
g_free(filename);
return NULL;
}
}
while (fgets(buf, sizeof(buf), fp) != NULL) {
gchar *p = buf;
gchar *name;
gint last_num;
gint first_num;
gchar type;
NewsGroupInfo *ginfo;
p = strchr(p, ' ');
if (!p) continue;
*p = '\0';
p++;
name = buf;
if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
continue;
ginfo = news_group_info_new(name, first_num, last_num, type);
if (!last)
last = list = g_slist_append(NULL, ginfo);
else {
last = g_slist_append(last, ginfo);
last = last->next;
}
}
fclose(fp);
g_free(filename);
list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
return list;
}
void news_group_list_free(GSList *group_list)
{
GSList *cur;
if (!group_list) return;
for (cur = group_list; cur != NULL; cur = cur->next)
news_group_info_free((NewsGroupInfo *)cur->data);
g_slist_free(group_list);
}
void news_remove_group_list_cache(Folder *folder)
{
gchar *path, *filename;
cm_return_if_fail(folder != NULL);
cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
g_free(path);
if (is_file_exist(filename)) {
if (claws_unlink(filename) < 0)
FILE_OP_ERROR(filename, "remove");
}
g_free(filename);
}
gint news_post(Folder *folder, const gchar *file)
{
gint ok;
char *contents = file_read_to_str_no_recode(file);
NewsSession *session;
cm_return_val_if_fail(folder != NULL, -1);
cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
cm_return_val_if_fail(contents != NULL, -1);
session = news_session_get(folder);
if (!session) {
g_free(contents);
return -1;
}
ok = nntp_threaded_post(folder, contents, strlen(contents));
g_free(contents);
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(folder)->session = NULL;
}
return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
}
static gint news_get_article(Folder *folder, gint num, gchar *filename)
{
size_t len;
char *result = NULL;
int r;
r = nntp_threaded_article(folder, num, &result, &len);
if (r == NEWSNNTP_NO_ERROR) {
if (str_write_to_file(result, filename) < 0) {
mmap_string_unref(result);
return -1;
}
mmap_string_unref(result);
}
return r;
}
/**
* news_select_group:
* @session: Active NNTP session.
* @group: Newsgroup name.
* @num: Estimated number of articles.
* @first: First article number.
* @last: Last article number.
*
* Select newsgroup @group with the GROUP command if it is not already
* selected in @session, or article numbers need to be returned.
*
* Return value: NNTP result code.
**/
static gint news_select_group(Folder *folder, const gchar *group,
gint *num, gint *first, gint *last)
{
gint ok;
gint num_, first_, last_;
struct newsnntp_group_info *info = NULL;
NewsSession *session = NEWS_SESSION(news_session_get(folder));
cm_return_val_if_fail(session != NULL, -1);
if (!num || !first || !last) {
if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
return NEWSNNTP_NO_ERROR;
num = &num_;
first = &first_;
last = &last_;
}
g_free(session->group);
session->group = NULL;
ok = nntp_threaded_group(folder, group, &info);
if (ok == NEWSNNTP_NO_ERROR && info) {
session->group = g_strdup(group);
*num = info->grp_first;
*first = info->grp_first;
*last = info->grp_last;
newsnntp_group_free(info);
} else {
log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
}
return ok;
}
static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
{
MsgInfo *msginfo;
/* set MsgInfo */
msginfo = procmsg_msginfo_new();
msginfo->msgnum = item->ovr_article;
msginfo->size = item->ovr_size;
msginfo->date = g_strdup(item->ovr_date);
msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
msginfo->fromname = procheader_get_fromname(msginfo->from);
msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
remove_return(msginfo->from);
remove_return(msginfo->fromname);
remove_return(msginfo->subject);
if (item->ovr_message_id) {
gchar *tmp = g_strdup(item->ovr_message_id);
extract_parenthesis(tmp, '<', '>');
remove_space(tmp);
if (*tmp != '\0')
msginfo->msgid = g_strdup(tmp);
g_free(tmp);
}
/* FIXME: this is a quick fix; references' meaning was changed
* into having the actual list of references in the References: header.
* We need a GSList here, so msginfo_free() and msginfo_copy() can do
* their things properly. */
if (item->ovr_references && *(item->ovr_references)) {
gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
guint i = 0;
char *tmp;
char *p;
while (ref_tokens[i]) {
gchar *cur_ref = ref_tokens[i];
msginfo->references = references_list_append(msginfo->references,
cur_ref);
i++;
}
g_strfreev(ref_tokens);
tmp = g_strdup(item->ovr_references);
eliminate_parenthesis(tmp, '(', ')');
if ((p = strrchr(tmp, '<')) != NULL) {
extract_parenthesis(p, '<', '>');
remove_space(p);
if (*p != '\0')
msginfo->inreplyto = g_strdup(p);
}
g_free(tmp);
}
return msginfo;
}
gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
{
gchar * tmp;
FILE * tmpfp;
gchar buf[BUFFSIZE];
tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
G_DIR_SEPARATOR, msginfo);
if (tmp == NULL)
return -1;
if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
FILE_OP_ERROR(tmp, "fopen");
return -1;
}
if (change_file_mode_rw(tmpfp, tmp) < 0) {
FILE_OP_ERROR(tmp, "chmod");
g_warning("can't change file mode\n");
}
get_rfc822_date(buf, sizeof(buf));
if (fprintf(tmpfp, "From: %s\r\n"
"Newsgroups: %s\r\n"
"Subject: cmsg cancel <%s>\r\n"
"Control: cancel <%s>\r\n"
"Approved: %s\r\n"
"X-Cancelled-by: %s\r\n"
"Date: %s\r\n"
"\r\n"
"removed with Claws Mail\r\n",
msginfo->from,
msginfo->newsgroups,
msginfo->msgid,
msginfo->msgid,
msginfo->from,
msginfo->from,
buf) < 0) {
FILE_OP_ERROR(tmp, "fprintf");
fclose(tmpfp);
claws_unlink(tmp);
g_free(tmp);
return -1;
}
if (fclose(tmpfp) == EOF) {
FILE_OP_ERROR(tmp, "fclose");
claws_unlink(tmp);
g_free(tmp);
return -1;
}
news_post(folder, tmp);
claws_unlink(tmp);
g_free(tmp);
return 0;
}
static gchar *news_folder_get_path(Folder *folder)
{
gchar *folder_path;
cm_return_val_if_fail(folder->account != NULL, NULL);
folder_path = g_strconcat(get_news_cache_dir(),
G_DIR_SEPARATOR_S,
folder->account->nntp_server,
NULL);
return folder_path;
}
static gchar *news_item_get_path(Folder *folder, FolderItem *item)
{
gchar *folder_path, *path;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
folder_path = news_folder_get_path(folder);
cm_return_val_if_fail(folder_path != NULL, NULL);
if (g_path_is_absolute(folder_path)) {
if (item->path)
path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strdup(folder_path);
} else {
if (item->path)
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, G_DIR_SEPARATOR_S,
item->path, NULL);
else
path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
folder_path, NULL);
}
g_free(folder_path);
#ifdef G_OS_WIN32
while (strchr(path, '/'))
*strchr(path, '/') = '\\';
#endif
return path;
}
static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
{
NewsSession *session;
gint i, ok, num, first, last, nummsgs = 0;
gchar *dir;
cm_return_val_if_fail(item != NULL, -1);
cm_return_val_if_fail(item->folder != NULL, -1);
cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
session = news_session_get(folder);
cm_return_val_if_fail(session != NULL, -1);
*old_uids_valid = TRUE;
news_folder_lock(NEWS_FOLDER(item->folder));
ok = news_select_group(folder, item->path, &num, &first, &last);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
news_folder_unlock(NEWS_FOLDER(item->folder));
return -1;
}
dir = news_folder_get_path(folder);
if (num <= 0)
remove_all_numbered_files(dir);
else if (last < first)
log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
first, last);
else {
for (i = first; i <= last; i++) {
*msgnum_list = g_slist_prepend(*msgnum_list,
GINT_TO_POINTER(i));
nummsgs++;
}
debug_print("removing old messages from %d to %d in %s\n",
first, last, dir);
remove_numbered_files(dir, 1, first - 1);
}
g_free(dir);
news_folder_unlock(NEWS_FOLDER(item->folder));
return nummsgs;
}
static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
{
msginfo->flags.tmp_flags = 0;
if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
if (item->folder->newsart &&
g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
} else {
if (!item->folder->newsart)
item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
g_hash_table_insert(item->folder->newsart,
g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
}
} else {
msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
}
}
static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
{
MsgInfo *msginfo = NULL;
gint ok;
GSList *cur;
clist *hdrlist = NULL;
clistiter *hdr;
gint first = -1, last = -1;
GHashTable *hash_table;
cm_return_if_fail(session != NULL);
cm_return_if_fail(item != NULL);
cm_return_if_fail(item->folder != NULL);
cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
news_folder_lock(NEWS_FOLDER(item->folder));
hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
for (cur = msglist; cur; cur = cur->next) {
msginfo = (MsgInfo *)cur->data;
if (first == -1 || msginfo->msgnum < first)
first = msginfo->msgnum;
if (last == -1 || msginfo->msgnum > last)
last = msginfo->msgnum;
g_hash_table_insert(hash_table,
GINT_TO_POINTER(msginfo->msgnum), msginfo);
}
/* Newsgroups */
ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return;
}
for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
if (msginfo) {
if (msginfo->newsgroups)
g_free(msginfo->newsgroups);
msginfo->newsgroups = g_strdup(hdrval->hdr_value);
}
}
newsnntp_xhdr_free(hdrlist);
/* To */
ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return;
}
for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
if (msginfo) {
if (msginfo->to)
g_free(msginfo->to);
msginfo->to = g_strdup(hdrval->hdr_value);
}
}
newsnntp_xhdr_free(hdrlist);
/* Cc */
ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return;
}
for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
if (msginfo) {
if (msginfo->cc)
g_free(msginfo->cc);
msginfo->cc = g_strdup(hdrval->hdr_value);
}
}
newsnntp_xhdr_free(hdrlist);
g_hash_table_destroy(hash_table);
news_folder_unlock(NEWS_FOLDER(item->folder));
}
static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
{
GSList *newlist = NULL;
GSList *llast = NULL;
MsgInfo *msginfo;
gint ok;
clist *msglist = NULL;
clistiter *cur;
cm_return_val_if_fail(session != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
begin, end, item->path);
news_folder_lock(NEWS_FOLDER(item->folder));
ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
if (ok != NEWSNNTP_NO_ERROR) {
log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
if (ok == NEWSNNTP_ERROR_STREAM) {
session_destroy(SESSION(session));
REMOTE_FOLDER(item->folder)->session = NULL;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
return NULL;
}
if (msglist) {
for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
msginfo = news_parse_xover(ritem);
if (!msginfo) {
log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
continue;
}
msginfo->folder = item;
news_set_msg_flags(item, msginfo);
msginfo->flags.tmp_flags |= MSG_NEWS;
if (!newlist)
llast = newlist = g_slist_append(newlist, msginfo);
else {
llast = g_slist_append(llast, msginfo);
llast = llast->next;
}
}
newsnntp_xover_resp_list_free(msglist);
}
news_folder_unlock(NEWS_FOLDER(item->folder));
session_set_access_time(SESSION(session));
news_get_extra_fields(session, item, newlist);
return newlist;
}
static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
{
GSList *msglist = NULL;
NewsSession *session;
MsgInfo *msginfo = NULL;
session = news_session_get(folder);
cm_return_val_if_fail(session != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
cm_return_val_if_fail(item->folder != NULL, NULL);
cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
msglist = news_get_msginfos_for_range(session, item, num, num);
if (msglist)
msginfo = msglist->data;
g_slist_free(msglist);
return msginfo;
}
static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
{
NewsSession *session;
GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
guint first, last, next;
cm_return_val_if_fail(folder != NULL, NULL);
cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
cm_return_val_if_fail(msgnum_list != NULL, NULL);
cm_return_val_if_fail(item != NULL, NULL);
session = news_session_get(folder);
cm_return_val_if_fail(session != NULL, NULL);
tmp_msgnum_list = g_slist_copy(msgnum_list);
tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
progressindicator_start(PROGRESS_TYPE_NETWORK);
first = GPOINTER_TO_INT(tmp_msgnum_list->data);
last = first;
news_folder_lock(NEWS_FOLDER(item->folder));
for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
next = GPOINTER_TO_INT(elem->data);
if(next != (last + 1)) {
tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
first = next;
}
last = next;
}
news_folder_unlock(NEWS_FOLDER(item->folder));
tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
g_slist_free(tmp_msgnum_list);
progressindicator_stop(PROGRESS_TYPE_NETWORK);
return msginfo_list;
}
static gboolean news_scan_required(Folder *folder, FolderItem *item)
{
return TRUE;
}
void news_synchronise(FolderItem *item, gint days)
{
news_gtk_synchronise(item, days);
}
static gint news_rename_folder(Folder *folder, FolderItem *item,
const gchar *name)
{
gchar *path;
cm_return_val_if_fail(folder != NULL, -1);
cm_return_val_if_fail(item != NULL, -1);
cm_return_val_if_fail(item->path != NULL, -1);
cm_return_val_if_fail(name != NULL, -1);
path = folder_item_get_path(item);
if (!is_dir_exist(path))
make_dir_hier(path);
g_free(item->name);
item->name = g_strdup(name);
return 0;
}
static gint news_remove_folder(Folder *folder, FolderItem *item)
{
gchar *path;
cm_return_val_if_fail(folder != NULL, -1);
cm_return_val_if_fail(item != NULL, -1);
cm_return_val_if_fail(item->path != NULL, -1);
path = folder_item_get_path(item);
if (remove_dir_recursive(path) < 0) {
g_warning("can't remove directory `%s'\n", path);
g_free(path);
return -1;
}
g_free(path);
folder_item_remove(item);
return 0;
}
void nntp_disconnect_all(gboolean have_connectivity)
{
GList *list;
gboolean short_timeout;
#ifdef HAVE_NETWORKMANAGER_SUPPORT
GError *error;
#endif
#ifdef HAVE_NETWORKMANAGER_SUPPORT
error = NULL;
short_timeout = !networkmanager_is_online(&error);
if(error) {
short_timeout = TRUE;
g_error_free(error);
}
#else
short_timeout = TRUE;
#endif
if(short_timeout)
nntp_main_set_timeout(1);
for (list = account_get_list(); list != NULL; list = list->next) {
PrefsAccount *account = list->data;
if (account->protocol == A_NNTP) {
RemoteFolder *folder = (RemoteFolder *)account->folder;
if (folder && folder->session) {
NewsSession *session = (NewsSession *)folder->session;
if (have_connectivity)
nntp_threaded_disconnect(FOLDER(folder));
SESSION(session)->state = SESSION_DISCONNECTED;
SESSION(session)->sock = NULL;
session_destroy(SESSION(session));
folder->session = NULL;
}
}
}
if(short_timeout)
nntp_main_set_timeout(prefs_common.io_timeout_secs);
}
#else
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "folder.h"
#include "alertpanel.h"
static FolderClass news_class;
static void warn_etpan(void)
{
static gboolean missing_news_warning = TRUE;
if (missing_news_warning) {
missing_news_warning = FALSE;
alertpanel_error(
_("You have one or more News accounts "
"defined. However this version of "
"Claws Mail has been built without "
"News support; your News account(s) are "
"disabled.\n\n"
"You probably need to "
"install libetpan and recompile "
"Claws Mail."));
}
}
static Folder *news_folder_new(const gchar *name, const gchar *path)
{
warn_etpan();
return NULL;
}
void news_group_list_free(GSList *group_list)
{
warn_etpan();
}
void news_remove_group_list_cache(Folder *folder)
{
warn_etpan();
}
int news_folder_locked(Folder *folder)
{
warn_etpan();
return 0;
}
gint news_post(Folder *folder, const gchar *file)
{
warn_etpan();
return -1;
}
gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
{
warn_etpan();
return -1;
}
GSList *news_get_group_list(Folder *folder)
{
warn_etpan();
return NULL;
}
FolderClass *news_get_class(void)
{
if (news_class.idstr == NULL) {
news_class.type = F_NEWS;
news_class.idstr = "news";
news_class.uistr = "News";
/* Folder functions */
news_class.new_folder = news_folder_new;
};
return &news_class;
}
void nntp_disconnect_all(gboolean have_connectivity)
{
}
#endif
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