/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-nntp-store.c : class for an nntp store */
/*
*
* Copyright (C) 2000 Ximian, Inc. <toshok@ximian.com>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <config.h>
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libgnome/libgnome.h"
#include "camel-nntp-resp-codes.h"
#include "camel-folder-summary.h"
#include "camel-nntp-store.h"
#include "camel-nntp-grouplist.h"
#include "camel-nntp-folder.h"
#include "camel-nntp-auth.h"
#include "camel-exception.h"
#include "camel-url.h"
#include "string-utils.h"
#define NNTP_PORT 119
#define DUMP_EXTENSIONS
/* define if you want the subscribe ui to show folders in tree form */
/* #define INFO_AS_TREE */
static CamelRemoteStoreClass *remote_store_class = NULL;
static CamelServiceClass *service_class = NULL;
/* Returns the class for a CamelNNTPStore */
#define CNNTPS_CLASS(so) CAMEL_NNTP_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CNNTPF_CLASS(so) CAMEL_NNTP_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
static gboolean ensure_news_dir_exists (CamelNNTPStore *store);
static void
camel_nntp_store_get_extensions (CamelNNTPStore *store, CamelException *ex)
{
int rc;
store->extensions = 0;
CAMEL_NNTP_STORE_LOCK(store);
rc = camel_nntp_command(store, ex, NULL, "LIST EXTENSIONS");
if (rc == NNTP_LIST_FOLLOWS || rc == NNTP_EXTENSIONS_SUPPORTED) {
gboolean done = FALSE;
CamelException ex;
camel_exception_init (&ex);
while (!done) {
char *line;
if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (store), &line, &ex) < 0)
break; /* XXX */
if (*line == '.') {
done = TRUE;
}
else {
#define CHECK_EXT(name,val) if (!strcasecmp (line, (name))) store->extensions |= (val)
CHECK_EXT ("SEARCH", CAMEL_NNTP_EXT_SEARCH);
CHECK_EXT ("SETGET", CAMEL_NNTP_EXT_SETGET);
CHECK_EXT ("OVER", CAMEL_NNTP_EXT_OVER);
CHECK_EXT ("XPATTEXT", CAMEL_NNTP_EXT_XPATTEXT);
CHECK_EXT ("XACTIVE", CAMEL_NNTP_EXT_XACTIVE);
CHECK_EXT ("LISTMOTD", CAMEL_NNTP_EXT_LISTMOTD);
CHECK_EXT ("LISTSUBSCR", CAMEL_NNTP_EXT_LISTSUBSCR);
CHECK_EXT ("LISTPNAMES", CAMEL_NNTP_EXT_LISTPNAMES);
#undef CHECK_EXT
}
g_free (line);
}
}
CAMEL_NNTP_STORE_UNLOCK(store);
#ifdef DUMP_EXTENSIONS
g_print ("NNTP Extensions:");
#define DUMP_EXT(name,val) if (store->extensions & (val)) g_print (" %s", name);
DUMP_EXT ("SEARCH", CAMEL_NNTP_EXT_SEARCH);
DUMP_EXT ("SETGET", CAMEL_NNTP_EXT_SETGET);
DUMP_EXT ("OVER", CAMEL_NNTP_EXT_OVER);
DUMP_EXT ("XPATTEXT", CAMEL_NNTP_EXT_XPATTEXT);
DUMP_EXT ("XACTIVE", CAMEL_NNTP_EXT_XACTIVE);
DUMP_EXT ("LISTMOTD", CAMEL_NNTP_EXT_LISTMOTD);
DUMP_EXT ("LISTSUBSCR", CAMEL_NNTP_EXT_LISTSUBSCR);
DUMP_EXT ("LISTPNAMES", CAMEL_NNTP_EXT_LISTPNAMES);
g_print ("\n");
#undef DUMP_EXT
#endif
}
static void
camel_nntp_store_get_overview_fmt (CamelNNTPStore *store, CamelException *ex)
{
int status;
int i;
gboolean done = FALSE;
CAMEL_NNTP_STORE_LOCK(store);
status = camel_nntp_command (store, ex, NULL,
"LIST OVERVIEW.FMT");
if (status != NNTP_LIST_FOLLOWS) {
if (store->extensions & CAMEL_NNTP_EXT_OVER) {
/* if we can't get the overview format, we should
disable OVER support */
g_warning ("server reported support of OVER but LIST OVERVIEW.FMT failed."
" disabling OVER.\n");
store->extensions &= ~CAMEL_NNTP_EXT_OVER;
return;
}
}
else {
if (!(store->extensions & CAMEL_NNTP_EXT_OVER)) {
g_warning ("server didn't report support of OVER but LIST OVERVIEW.FMT worked."
" enabling OVER.\n");
store->extensions |= CAMEL_NNTP_EXT_OVER;
}
}
/* start at 1 because the article number is always first */
store->num_overview_fields = 1;
for (i = 0; i < CAMEL_NNTP_OVER_LAST; i ++) {
store->overview_field [i].index = -1;
}
while (!done) {
char *line;
if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (store), &line, ex) < 0)
break; /* XXX */
if (*line == '.') {
done = TRUE;
}
else {
CamelNNTPOverField *over_field = NULL;
char *colon = NULL;;
if (!strncasecmp (line, "From:", 5)) {
over_field = &store->overview_field [ CAMEL_NNTP_OVER_FROM ];
over_field->index = store->num_overview_fields;
colon = line + 5;
}
else if (!strncasecmp (line, "Subject:", 7)) {
over_field = &store->overview_field [ CAMEL_NNTP_OVER_SUBJECT ];
over_field->index = store->num_overview_fields;
colon = line + 7;
}
else if (!strncasecmp (line, "Date:", 5)) {
over_field = &store->overview_field [ CAMEL_NNTP_OVER_DATE ];
over_field->index = store->num_overview_fields;
colon = line + 5;
}
else if (!strncasecmp (line, "Message-ID:", 11)) {
over_field = &store->overview_field [ CAMEL_NNTP_OVER_MESSAGE_ID ];
over_field->index = store->num_overview_fields;
colon = line + 11;
}
else if (!strncasecmp (line, "References:", 11)) {
over_field = &store->overview_field [ CAMEL_NNTP_OVER_REFERENCES ];
over_field->index = store->num_overview_fields;
colon = line + 11;
}
else if (!strncasecmp (line, "Bytes:", 6)) {
over_field = &store->overview_field [ CAMEL_NNTP_OVER_BYTES ];
over_field->index = store->num_overview_fields;
colon = line + 11;
}
if (colon && !strncmp (colon + 1, "full", 4))
over_field->full = TRUE;
store->num_overview_fields ++;
}
g_free (line);
}
for (i = 0; i < CAMEL_NNTP_OVER_LAST; i ++) {
if (store->overview_field [i].index == -1) {
g_warning ("server's OVERVIEW.FMT doesn't support minimum set we require,"
" disabling OVER support.\n");
store->extensions &= ~CAMEL_NNTP_EXT_OVER;
}
}
CAMEL_NNTP_STORE_UNLOCK(store);
}
static gboolean
nntp_store_connect (CamelService *service, CamelException *ex)
{
char *buf;
int resp_code;
CamelNNTPStore *store = CAMEL_NNTP_STORE (service);
if (!ensure_news_dir_exists(store)) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not open directory for news server: %s"),
strerror (errno));
return FALSE;
}
if (CAMEL_SERVICE_CLASS (remote_store_class)->connect (service, ex) == FALSE)
return FALSE;
/* Read the greeting */
if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (service), &buf, ex) < 0) {
return FALSE;
}
resp_code = atoi (buf);
/* Check to see if we have any permissions on this server. */
if (resp_code == NNTP_NO_PERMISSION)
return FALSE;
/* check if posting is allowed. */
if (resp_code == NNTP_GREETING_POSTING_OK) {
g_print ("posting allowed\n");
store->posting_allowed = TRUE;
}
else if (resp_code == NNTP_GREETING_NO_POSTING) {
g_print ("no posting allowed\n");
store->posting_allowed = FALSE;
}
else {
g_warning ("unexpected server greeting code %d, no posting allowed\n", resp_code);
store->posting_allowed = FALSE;
}
g_free (buf);
/* get a list of extensions that the server supports */
camel_nntp_store_get_extensions (store, ex);
/* try to get the overview.fmt */
camel_nntp_store_get_overview_fmt (store, ex);
return TRUE;
}
static gboolean
nntp_store_disconnect (CamelService *service, gboolean clean, CamelException *ex)
{
CamelNNTPStore *store = CAMEL_NNTP_STORE (service);
if (clean)
camel_nntp_command (store, ex, NULL, "QUIT");
if (store->newsrc)
camel_nntp_newsrc_write (store->newsrc);
if (!service_class->disconnect (service, clean, ex))
return FALSE;
return TRUE;
}
static char *
nntp_store_get_name (CamelService *service, gboolean brief)
{
if (brief)
return g_strdup_printf ("%s", service->url->host);
else
return g_strdup_printf (_("USENET News via %s"), service->url->host);
}
static CamelServiceAuthType password_authtype = {
N_("Password"),
N_("This option will authenticate with the NNTP server using a "
"plaintext password."),
"",
TRUE
};
static GList *
nntp_store_query_auth_types (CamelService *service, CamelException *ex)
{
GList *prev;
g_warning ("nntp::query_auth_types: not implemented. Defaulting.");
prev = CAMEL_SERVICE_CLASS (remote_store_class)->query_auth_types (service, ex);
return g_list_prepend (prev, &password_authtype);
}
static CamelFolder *
nntp_store_get_folder (CamelStore *store, const gchar *folder_name,
guint32 flags, CamelException *ex)
{
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (store);
/* if we haven't already read our .newsrc, read it now */
if (!nntp_store->newsrc)
nntp_store->newsrc =
camel_nntp_newsrc_read_for_server (CAMEL_SERVICE(store)->url->host);
if (!nntp_store->newsrc) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
_("Unable to open or create .newsrc file for %s: %s"),
CAMEL_SERVICE(store)->url->host,
strerror(errno));
return NULL;
}
return camel_nntp_folder_new (store, folder_name, ex);
}
#ifdef INFO_AS_TREE
static void
build_folder_info (CamelNNTPStore *nntp_store, CamelFolderInfo **root,
CamelFolderInfo *parent, CamelNNTPGroupListEntry *entry,
char *prefix, char *suffix,
GHashTable *name_to_info)
{
CamelURL *url = CAMEL_SERVICE (nntp_store)->url;
char *dot;
if ((dot = strchr (suffix, '.'))) {
/* it's an internal node, figure out the next node in
the chain */
CamelFolderInfo *node;
char *node_name, *node_full_name;
node_name = g_malloc0 (dot - suffix + 1);
strncpy (node_name, suffix, dot - suffix);
node_full_name = g_strdup_printf ("%s.%s", prefix, node_name);
node = g_hash_table_lookup (name_to_info, node_full_name);
if (!node) {
/* we need to add one */
node = g_new0 (CamelFolderInfo, 1);
node->name = g_strdup (node_name);
node->full_name = g_strdup (node_full_name);
node->url = NULL;
node->unread_message_count = -1;
if (parent) {
if (parent->child) {
node->sibling = parent->child;
parent->child = node;
}
else {
parent->child = node;
}
}
else {
if (*root) {
*root = node;
}
else {
node->sibling = *root;
*root = node;
}
}
g_hash_table_insert (name_to_info, node_full_name, node);
}
build_folder_info (nntp_store, root, node, entry, node_full_name, dot + 1, name_to_info);
}
else {
/* it's a leaf node, make the CamelFolderInfo and
append it to @parent's list of children. */
CamelFolderInfo *new_group;
new_group = g_new0 (CamelFolderInfo, 1);
new_group->name = g_strdup (entry->group_name);
new_group->full_name = g_strdup (entry->group_name);
new_group->url = g_strdup_printf ("nntp://%s%s%s/%s",
url->user ? url->user : "",
url->user ? "@" : "",
url->host, (char *)entry->group_name);
new_group->unread_message_count = (entry->high - entry->low -
camel_nntp_newsrc_get_num_articles_read (nntp_store->newsrc, entry->group_name));
if (parent) {
if (parent->child) {
new_group->sibling = parent->child;
parent->child = new_group;
}
else {
parent->child = new_group;
}
}
else {
if (*root) {
*root = new_group;
}
else {
new_group->sibling = *root;
*root = new_group;
}
}
}
}
#endif
static CamelFolderInfo *
build_folder_info_from_grouplist (CamelNNTPStore *nntp_store, const char *top)
{
GList *g;
CamelFolderInfo *groups = NULL;
#ifdef INFO_AS_TREE
GHashTable *hash = g_hash_table_new (g_str_hash, g_str_equal);
#else
CamelFolderInfo *last = NULL, *fi;
CamelURL *url = CAMEL_SERVICE (nntp_store)->url;
#endif
for (g = nntp_store->group_list->group_list; g; g = g_list_next (g)) {
CamelNNTPGroupListEntry *entry = g->data;
if (!top || !strncmp (top, entry->group_name, strlen (top))) {
#ifdef INFO_AS_TREE
build_folder_info (nntp_store, &groups, NULL, entry,
"", entry->group_name, hash);
#else
fi = g_new0 (CamelFolderInfo, 1);
fi->name = g_strdup (entry->group_name);
fi->full_name = g_strdup (entry->group_name);
fi->url = g_strdup_printf ("nntp://%s%s%s/%s",
url->user ? url->user : "",
url->user ? "@" : "",
url->host, (char *)entry->group_name);
fi->unread_message_count = (entry->high - entry->low -
camel_nntp_newsrc_get_num_articles_read (
nntp_store->newsrc, entry->group_name));
if (last)
last->sibling = fi;
else
groups = fi;
last = fi;
#endif
}
}
return groups;
}
static CamelFolderInfo *
nntp_store_get_folder_info (CamelStore *store, const char *top,
guint32 flags,
CamelException *ex)
{
CamelURL *url = CAMEL_SERVICE (store)->url;
CamelNNTPStore *nntp_store = (CamelNNTPStore *)store;
GPtrArray *names;
CamelFolderInfo *groups = NULL, *last = NULL, *fi;
int i;
/* if we haven't already read our .newsrc, read it now */
if (!nntp_store->newsrc)
nntp_store->newsrc =
camel_nntp_newsrc_read_for_server (CAMEL_SERVICE(store)->url->host);
if (!nntp_store->newsrc) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE,
_("Unable to open or create .newsrc file for %s: %s"),
CAMEL_SERVICE(store)->url->host,
strerror(errno));
return NULL;
}
if (!(flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED)) {
if (!nntp_store->group_list)
nntp_store->group_list = camel_nntp_grouplist_fetch (nntp_store, ex);
if (camel_exception_is_set (ex)) {
return NULL;
}
else {
fi = build_folder_info_from_grouplist (nntp_store, top);
return fi;
}
}
if (top == NULL) {
/* return the list of groups */
names = camel_nntp_newsrc_get_subscribed_group_names (nntp_store->newsrc);
for (i = 0; i < names->len; i++) {
fi = g_new0 (CamelFolderInfo, 1);
fi->name = g_strdup (names->pdata[i]);
fi->full_name = g_strdup (names->pdata[i]);
fi->url = g_strdup_printf ("nntp://%s%s%s/%s",
url->user ? url->user : "",
url->user ? "@" : "",
url->host, (char *)names->pdata[i]);
/* FIXME */
fi->unread_message_count = -1;
if (last)
last->sibling = fi;
else
groups = fi;
last = fi;
}
camel_nntp_newsrc_free_group_names (nntp_store->newsrc, names);
return groups;
}
else {
/* getting a specific group */
fi = g_new0 (CamelFolderInfo, 1);
fi->name = g_strdup (top);
fi->full_name = g_strdup (top);
fi->url = g_strdup_printf ("nntp://%s/%s", url->host, top);
/* FIXME */
fi->unread_message_count = -1;
return fi;
}
}
static gboolean
nntp_store_folder_subscribed (CamelStore *store, const char *folder_name)
{
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (store);
return camel_nntp_newsrc_group_is_subscribed (nntp_store->newsrc, folder_name);
}
static void
nntp_store_subscribe_folder (CamelStore *store, const char *folder_name,
CamelException *ex)
{
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (store);
camel_nntp_newsrc_subscribe_group (nntp_store->newsrc, folder_name);
}
static void
nntp_store_unsubscribe_folder (CamelStore *store, const char *folder_name,
CamelException *ex)
{
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (store);
camel_nntp_newsrc_unsubscribe_group (nntp_store->newsrc, folder_name);
}
static void
finalize (CamelObject *object)
{
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (object);
if (nntp_store->newsrc)
camel_nntp_newsrc_write (nntp_store->newsrc);
#ifdef ENABLE_THREADS
e_mutex_destroy(nntp_store->command_lock);
#endif
}
static void
camel_nntp_store_class_init (CamelNNTPStoreClass *camel_nntp_store_class)
{
CamelStoreClass *camel_store_class = CAMEL_STORE_CLASS (camel_nntp_store_class);
CamelServiceClass *camel_service_class = CAMEL_SERVICE_CLASS (camel_nntp_store_class);
remote_store_class = CAMEL_REMOTE_STORE_CLASS(camel_type_get_global_classfuncs
(camel_remote_store_get_type ()));
service_class = CAMEL_SERVICE_CLASS (camel_type_get_global_classfuncs (camel_service_get_type ()));
/* virtual method overload */
camel_service_class->connect = nntp_store_connect;
camel_service_class->disconnect = nntp_store_disconnect;
camel_service_class->query_auth_types = nntp_store_query_auth_types;
camel_service_class->get_name = nntp_store_get_name;
camel_store_class->get_folder = nntp_store_get_folder;
camel_store_class->get_folder_info = nntp_store_get_folder_info;
camel_store_class->free_folder_info = camel_store_free_folder_info_full;
camel_store_class->folder_subscribed = nntp_store_folder_subscribed;
camel_store_class->subscribe_folder = nntp_store_subscribe_folder;
camel_store_class->unsubscribe_folder = nntp_store_unsubscribe_folder;
}
static void
camel_nntp_store_init (gpointer object, gpointer klass)
{
CamelRemoteStore *remote_store = CAMEL_REMOTE_STORE (object);
CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(object);
CamelStore *store = CAMEL_STORE (object);
remote_store->default_port = NNTP_PORT;
store->flags = CAMEL_STORE_SUBSCRIPTIONS;
#ifdef ENABLE_THREADS
nntp_store->command_lock = e_mutex_new(E_MUTEX_REC);
#endif
}
CamelType
camel_nntp_store_get_type (void)
{
static CamelType camel_nntp_store_type = CAMEL_INVALID_TYPE;
if (camel_nntp_store_type == CAMEL_INVALID_TYPE) {
camel_nntp_store_type = camel_type_register (CAMEL_REMOTE_STORE_TYPE, "CamelNNTPStore",
sizeof (CamelNNTPStore),
sizeof (CamelNNTPStoreClass),
(CamelObjectClassInitFunc) camel_nntp_store_class_init,
NULL,
(CamelObjectInitFunc) camel_nntp_store_init,
(CamelObjectFinalizeFunc) finalize);
}
return camel_nntp_store_type;
}
/**
* camel_nntp_command: Send a command to a NNTP server.
* @store: the NNTP store
* @ret: a pointer to return the full server response in
* @fmt: a printf-style format string, followed by arguments
*
* This command sends the command specified by @fmt and the following
* arguments to the connected NNTP store specified by @store. It then
* reads the server's response and parses out the status code. If
* the caller passed a non-NULL pointer for @ret, camel_nntp_command
* will set it to point to an buffer containing the rest of the
* response from the NNTP server. (If @ret was passed but there was
* no extended response, @ret will be set to NULL.) The caller must
* free this buffer when it is done with it.
*
* Return value: the response code of the nntp command.
**/
static int
camel_nntp_command_send_recv (CamelNNTPStore *store, CamelException *ex, char **ret, char *cmd)
{
char *respbuf;
int resp_code;
gboolean again;
do {
again = FALSE;
/* Send the command */
if (camel_remote_store_send_string (CAMEL_REMOTE_STORE (store), ex, cmd) < 0) {
return NNTP_PROTOCOL_ERROR;
}
/* Read the response */
if (camel_remote_store_recv_line (CAMEL_REMOTE_STORE (store), &respbuf, ex) < 0) {
if (ret)
*ret = g_strdup (g_strerror (errno));
return NNTP_PROTOCOL_ERROR;
}
resp_code = atoi (respbuf);
/* this is kind of a gross hack, but since an auth challenge
can pop up at any time, and we want to shield this from our
callers, we handle authentication here. */
if (resp_code == NNTP_AUTH_REQUIRED) {
resp_code = camel_nntp_auth_authenticate (store, ex);
if (resp_code != NNTP_AUTH_ACCEPTED) {
return resp_code;
}
/* need to resend our command here */
again = TRUE;
}
} while (again);
if (ret) {
*ret = strchr (respbuf, ' ');
if (*ret)
*ret = g_strdup (*ret + 1);
}
g_free (respbuf);
return resp_code;
}
int
camel_nntp_command (CamelNNTPStore *store, CamelException *ex, char **ret, char *fmt, ...)
{
char *cmdbuf;
va_list ap;
int resp_code;
char *real_fmt;
real_fmt = g_strdup_printf ("%s\r\n", fmt);
va_start (ap, fmt);
cmdbuf = g_strdup_vprintf (real_fmt, ap);
va_end (ap);
g_free (real_fmt);
resp_code = camel_nntp_command_send_recv (store, ex, ret, cmdbuf);
if(camel_exception_get_id(ex) ==
CAMEL_EXCEPTION_SERVICE_NOT_CONNECTED) {
/* the connect might have timed out, give it another shot.. */
camel_exception_clear(ex);
if(nntp_store_connect(CAMEL_SERVICE(store), ex))
resp_code =
camel_nntp_command_send_recv (store, ex, ret, cmdbuf);
/* that's it, no more tries */
}
g_free (cmdbuf);
return resp_code;
}
void
camel_nntp_store_subscribe_group (CamelStore *store,
const gchar *group_name)
{
gchar *root_dir = camel_nntp_store_get_toplevel_dir(CAMEL_NNTP_STORE(store));
char *ret = NULL;
CamelException *ex = camel_exception_new();
if (camel_exception_get_id (ex)) {
g_free (root_dir);
camel_exception_free (ex);
return;
}
if (camel_nntp_command ( CAMEL_NNTP_STORE (store),
ex, &ret, "GROUP %s", group_name) == NNTP_GROUP_SELECTED) {
/* we create an empty summary file here, so that when
the group is opened we'll know we need to build it. */
gchar *summary_file;
int fd;
summary_file = g_strdup_printf ("%s/%s-ev-summary", root_dir, group_name);
fd = open (summary_file, O_CREAT | O_RDWR, 0666);
close (fd);
g_free (summary_file);
}
if (ret) g_free (ret);
g_free (root_dir);
camel_exception_free (ex);
}
void
camel_nntp_store_unsubscribe_group (CamelStore *store,
const gchar *group_name)
{
gchar *root_dir = camel_nntp_store_get_toplevel_dir(CAMEL_NNTP_STORE(store));
gchar *summary_file;
summary_file = g_strdup_printf ("%s/%s-ev-summary", root_dir, group_name);
if (g_file_exists (summary_file))
unlink (summary_file);
g_free (summary_file);
g_free (root_dir);
}
GList *
camel_nntp_store_list_subscribed_groups(CamelStore *store)
{
GList *group_name_list = NULL;
struct stat stat_buf;
gint stat_error = 0;
gchar *entry_name;
gchar *full_entry_name;
gchar *real_group_name;
struct dirent *dir_entry;
DIR *dir_handle;
gchar *root_dir = camel_nntp_store_get_toplevel_dir(CAMEL_NNTP_STORE(store));
dir_handle = opendir (root_dir);
g_return_val_if_fail (dir_handle, NULL);
/* read the first entry in the directory */
dir_entry = readdir (dir_handle);
while ((stat_error != -1) && (dir_entry != NULL)) {
/* get the name of the next entry in the dir */
entry_name = dir_entry->d_name;
full_entry_name = g_strdup_printf ("%s/%s", root_dir, entry_name);
stat_error = stat (full_entry_name, &stat_buf);
g_free (full_entry_name);
/* is it a normal file ending in -ev-summary ? */
if ((stat_error != -1) && S_ISREG (stat_buf.st_mode)) {
gboolean summary_suffix_found;
real_group_name = string_prefix (entry_name, "-ev-summary",
&summary_suffix_found);
if (summary_suffix_found)
/* add the folder name to the list */
group_name_list = g_list_append (group_name_list,
real_group_name);
}
/* read next entry */
dir_entry = readdir (dir_handle);
}
closedir (dir_handle);
return group_name_list;
}
gchar *
camel_nntp_store_get_toplevel_dir (CamelNNTPStore *store)
{
CamelURL *url = CAMEL_SERVICE (store)->url;
char *top_dir;
g_assert(url != NULL);
top_dir = g_strdup_printf( "%s/evolution/news/%s",
g_get_home_dir (),
url->host );
return top_dir;
}
static gboolean
ensure_news_dir_exists (CamelNNTPStore *store)
{
gchar *dir = camel_nntp_store_get_toplevel_dir (store);
if (access (dir, F_OK) == 0) {
g_free (dir);
return TRUE;
}
if (camel_mkdir_hier (dir, S_IRWXU) == -1) {
g_free (dir);
return FALSE;
}
return TRUE;
}