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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., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#define BITLBEE_CORE
#include "bitlbee.h"
#include "crypting.h"
extern storage_t storage_text;
extern storage_t storage_xml;
static GList *storage_backends = NULL;
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_text);
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 (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(nick, password);
if (status != STORAGE_NO_SUCH_USER)
return status;
}
return STORAGE_NO_SUCH_USER;
}
storage_status_t storage_load (const char *nick, const char *password, irc_t * irc)
{
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->load(nick, password, irc);
if (status == STORAGE_OK) {
irc_setpass(irc, password);
return status;
}
if (status != STORAGE_NO_SUCH_USER)
return status;
}
return STORAGE_NO_SUCH_USER;
}
storage_status_t storage_save (irc_t *irc, int overwrite)
{
return ((storage_t *)global.storage->data)->save(irc, overwrite);
}
storage_status_t storage_remove (const char *nick, const char *password)
{
GList *gl;
storage_status_t ret = STORAGE_OK;
/* 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, password);
if (status != STORAGE_NO_SUCH_USER &&
status != STORAGE_OK)
ret = status;
}
return ret;
}
storage_status_t storage_rename (const char *onick, const char *nnick, const char *password)
{
storage_status_t status;
GList *gl = global.storage;
storage_t *primary_storage = gl->data;
irc_t *irc;
/* First, try to rename in the current write backend, assuming onick
* is stored there */
status = primary_storage->rename(onick, nnick, password);
if (status != STORAGE_NO_SUCH_USER)
return status;
/* Try to load from a migration backend and save to the current backend.
* Explicitly remove the account from the migration backend as otherwise
* it'd still be usable under the old name */
irc = g_new0(irc_t, 1);
status = storage_load(onick, password, irc);
if (status != STORAGE_OK) {
irc_free(irc);
return status;
}
g_free(irc->nick);
irc->nick = g_strdup(nnick);
status = storage_save(irc, FALSE);
if (status != STORAGE_OK) {
irc_free(irc);
return status;
}
irc_free(irc);
storage_remove(onick, password);
return STORAGE_OK;
}
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