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/*
Unix SMB/CIFS implementation.
ID Mapping
Copyright (C) Simo Sorce 2003
Copyright (C) Jeremy Allison 2006
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/>.*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
/*****************************************************************
Returns the SID mapped to the given UID.
If mapping is not possible returns an error.
*****************************************************************/
NTSTATUS idmap_uid_to_sid(DOM_SID *sid, uid_t uid)
{
NTSTATUS ret;
struct id_map map;
struct id_map *maps[2];
DEBUG(10,("uid = [%lu]\n", (unsigned long)uid));
map.sid = sid;
map.xid.type = ID_TYPE_UID;
map.xid.id = uid;
maps[0] = ↦
maps[1] = NULL;
ret = idmap_unixids_to_sids(maps);
if ( ! NT_STATUS_IS_OK(ret)) {
DEBUG(10, ("error mapping uid [%lu]\n", (unsigned long)uid));
return ret;
}
if (map.status != ID_MAPPED) {
DEBUG(10, ("uid [%lu] not mapped\n", (unsigned long)uid));
return NT_STATUS_NONE_MAPPED;
}
return NT_STATUS_OK;
}
/*****************************************************************
Returns SID mapped to the given GID.
If mapping is not possible returns an error.
*****************************************************************/
NTSTATUS idmap_gid_to_sid(DOM_SID *sid, gid_t gid)
{
NTSTATUS ret;
struct id_map map;
struct id_map *maps[2];
DEBUG(10,("gid = [%lu]\n", (unsigned long)gid));
map.sid = sid;
map.xid.type = ID_TYPE_GID;
map.xid.id = gid;
maps[0] = ↦
maps[1] = NULL;
ret = idmap_unixids_to_sids(maps);
if ( ! NT_STATUS_IS_OK(ret)) {
DEBUG(10, ("error mapping gid [%lu]\n", (unsigned long)gid));
return ret;
}
if (map.status != ID_MAPPED) {
DEBUG(10, ("gid [%lu] not mapped\n", (unsigned long)gid));
return NT_STATUS_NONE_MAPPED;
}
return NT_STATUS_OK;
}
/*****************************************************************
Returns the UID mapped to the given SID.
If mapping is not possible or SID maps to a GID returns an error.
*****************************************************************/
NTSTATUS idmap_sid_to_uid(DOM_SID *sid, uid_t *uid)
{
NTSTATUS ret;
struct id_map map;
struct id_map *maps[2];
DEBUG(10,("idmap_sid_to_uid: sid = [%s]\n", sid_string_dbg(sid)));
map.sid = sid;
map.xid.type = ID_TYPE_UID;
maps[0] = ↦
maps[1] = NULL;
ret = idmap_sids_to_unixids(maps);
if ( ! NT_STATUS_IS_OK(ret)) {
DEBUG(10, ("error mapping sid [%s] to uid\n",
sid_string_dbg(sid)));
return ret;
}
if ((map.status != ID_MAPPED) || (map.xid.type != ID_TYPE_UID)) {
DEBUG(10, ("sid [%s] not mapped to an uid [%u,%u,%u]\n",
sid_string_dbg(sid),
map.status,
map.xid.type,
map.xid.id));
return NT_STATUS_NONE_MAPPED;
}
*uid = map.xid.id;
return NT_STATUS_OK;
}
/*****************************************************************
Returns the GID mapped to the given SID.
If mapping is not possible or SID maps to a UID returns an error.
*****************************************************************/
NTSTATUS idmap_sid_to_gid(DOM_SID *sid, gid_t *gid)
{
NTSTATUS ret;
struct id_map map;
struct id_map *maps[2];
DEBUG(10,("idmap_sid_to_gid: sid = [%s]\n", sid_string_dbg(sid)));
map.sid = sid;
map.xid.type = ID_TYPE_GID;
maps[0] = ↦
maps[1] = NULL;
ret = idmap_sids_to_unixids(maps);
if ( ! NT_STATUS_IS_OK(ret)) {
DEBUG(10, ("error mapping sid [%s] to gid\n",
sid_string_dbg(sid)));
return ret;
}
if ((map.status != ID_MAPPED) || (map.xid.type != ID_TYPE_GID)) {
DEBUG(10, ("sid [%s] not mapped to a gid [%u,%u]\n",
sid_string_dbg(sid),
map.status,
map.xid.type));
return NT_STATUS_NONE_MAPPED;
}
*gid = map.xid.id;
return NT_STATUS_OK;
}
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