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/********************************************************************\
* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2002-2004 Wilmer van der Gaast and others *
\********************************************************************/
/* Support for multiple storage backends */
/* Copyright (C) 2005 Jelmer Vernooij <jelmer@samba.org> */
/*
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 with
the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
Fifth Floor, Boston, MA 02110-1301 USA
*/
#define BITLBEE_CORE
#include "bitlbee.h"
extern storage_t storage_xml;
static GList *storage_backends = NULL;
const struct prpl protocol_missing = {
.name = "_unknown",
};
void register_storage_backend(storage_t *backend)
{
storage_backends = g_list_append(storage_backends, backend);
}
static storage_t *storage_init_single(const char *name)
{
GList *gl;
storage_t *st = NULL;
for (gl = storage_backends; gl; gl = gl->next) {
st = gl->data;
if (strcmp(st->name, name) == 0) {
break;
}
}
if (gl == NULL) {
return NULL;
}
if (st->init) {
st->init();
}
return st;
}
GList *storage_init(const char *primary, char **migrate)
{
GList *ret = NULL;
int i;
storage_t *storage;
register_storage_backend(&storage_xml);
storage = storage_init_single(primary);
if (storage == NULL || storage->save == NULL) {
return NULL;
}
ret = g_list_append(ret, storage);
for (i = 0; migrate && migrate[i]; i++) {
storage = storage_init_single(migrate[i]);
if (storage) {
ret = g_list_append(ret, storage);
}
}
return ret;
}
storage_status_t storage_check_pass(irc_t *irc, const char *nick, const char *password)
{
GList *gl;
/* Loop until we don't get NO_SUCH_USER */
for (gl = global.storage; gl; gl = gl->next) {
storage_t *st = gl->data;
storage_status_t status;
status = st->check_pass(irc, nick, password);
if (status != STORAGE_NO_SUCH_USER) {
return status;
}
}
return STORAGE_NO_SUCH_USER;
}
storage_status_t storage_load(irc_t * irc, const char *password)
{
GList *gl;
if (irc && irc->status & USTATUS_IDENTIFIED) {
return STORAGE_OTHER_ERROR;
}
/* Loop until we don't get NO_SUCH_USER */
for (gl = global.storage; gl; gl = gl->next) {
storage_t *st = gl->data;
storage_status_t status;
status = st->load(irc, password);
if (status == STORAGE_OK) {
GSList *l;
for (l = irc_plugins; l; l = l->next) {
irc_plugin_t *p = l->data;
if (p->storage_load) {
p->storage_load(irc);
}
}
return status;
}
if (status != STORAGE_NO_SUCH_USER) {
return status;
}
}
return STORAGE_NO_SUCH_USER;
}
storage_status_t storage_save(irc_t *irc, char *password, int overwrite)
{
storage_status_t st;
GSList *l;
if (password != NULL) {
/* Should only use this in the "register" command. */
if (irc->password || overwrite) {
return STORAGE_OTHER_ERROR;
}
irc_setpass(irc, password);
} else if ((irc->status & USTATUS_IDENTIFIED) == 0) {
return STORAGE_NO_SUCH_USER;
}
st = ((storage_t *) global.storage->data)->save(irc, overwrite);
for (l = irc_plugins; l; l = l->next) {
irc_plugin_t *p = l->data;
if (p->storage_save) {
p->storage_save(irc);
}
}
if (password != NULL) {
irc_setpass(irc, NULL);
}
return st;
}
storage_status_t storage_remove(const char *nick)
{
GList *gl;
storage_status_t ret = STORAGE_OK;
gboolean ok = FALSE;
GSList *l;
/* Remove this account from all storage backends. If this isn't
* done, the account will still be usable, it'd just be
* loaded from a different backend. */
for (gl = global.storage; gl; gl = gl->next) {
storage_t *st = gl->data;
storage_status_t status;
status = st->remove(nick);
ok |= status == STORAGE_OK;
if (status != STORAGE_NO_SUCH_USER && status != STORAGE_OK) {
ret = status;
}
}
/* If at least one succeeded, remove plugin data. */
if (ok) {
for (l = irc_plugins; l; l = l->next) {
irc_plugin_t *p = l->data;
if (p->storage_remove) {
p->storage_remove(nick);
}
}
}
return ret;
}
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