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/*
Unix SMB/CIFS implementation.
Winbind ID Mapping
Copyright (C) Tim Potter 2000
Copyright (C) Anthony Liguori <aliguor@us.ibm.com> 2003
Copyright (C) Simo Sorce 2003
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "idmap.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
static struct {
const char *name;
/* Function to create a member of the idmap_methods list */
NTSTATUS (*reg_meth)(struct idmap_methods **methods);
struct idmap_methods *methods;
} builtin_idmap_functions[] = {
{ "tdb", idmap_reg_tdb, NULL },
/* { "ldap", idmap_reg_ldap, NULL },*/
{ NULL, NULL, NULL }
};
/* singleton pattern: uberlazy evaluation */
static struct idmap_methods *impl;
static struct idmap_methods *get_impl(const char *name)
{
int i = 0;
struct idmap_methods *ret = NULL;
while (builtin_idmap_functions[i].name && strcmp(builtin_idmap_functions[i].name, name)) {
i++;
}
if (builtin_idmap_functions[i].name) {
if (!builtin_idmap_functions[i].methods) {
builtin_idmap_functions[i].reg_meth(&builtin_idmap_functions[i].methods);
}
ret = builtin_idmap_functions[i].methods;
}
return ret;
}
/* Load idmap backend functions */
BOOL set_impl(void)
{
if (!impl) {
DEBUG(3, ("idmap_init: using '%s' as backend\n", lp_idmap_backend()));
impl = get_impl(lp_idmap_backend());
if (!impl) {
DEBUG(0, ("set_impl: could not load backend '%s'\n", lp_idmap_backend()));
return False;
}
}
return True;
}
/* Initialize backend */
NTSTATUS idmap_init(void)
{
NTSTATUS ret;
if (!set_impl()) return NT_STATUS_UNSUCCESSFUL;
ret = impl->init();
if (NT_STATUS_IS_ERR(ret)) {
DEBUG(3, ("idmap_init: init failed!\n"));
}
return ret;
}
/* Get ID from SID */
NTSTATUS idmap_get_id_from_sid(id_t *id, int *id_type, DOM_SID *sid)
{
NTSTATUS ret;
if (!set_impl()) return NT_STATUS_UNSUCCESSFUL;
ret = impl->get_id_from_sid(id, id_type, sid);
if (NT_STATUS_IS_ERR(ret)) {
DEBUG(3, ("idmap_get_id_from_sid: error fetching id!\n"));
}
return ret;
}
/* Get SID from ID */
NTSTATUS idmap_get_sid_from_id(DOM_SID *sid, id_t id, int id_type)
{
NTSTATUS ret;
if (!set_impl()) return NT_STATUS_UNSUCCESSFUL;
ret = impl->get_sid_from_id(sid, id, id_type);
if (NT_STATUS_IS_ERR(ret)) {
DEBUG(3, ("idmap_get_sid_from_id: error fetching sid!\n"));
}
return ret;
}
/* Close backend */
NTSTATUS idmap_close(void)
{
NTSTATUS ret;
if (!set_impl()) return NT_STATUS_UNSUCCESSFUL;
ret = impl->close();
if (NT_STATUS_IS_ERR(ret)) {
DEBUG(3, ("idmap_close: close failed!\n"));
}
return ret;
}
/* Dump backend status */
void idmap_status(void)
{
if (!set_impl()) return;
impl->status();
}
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