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/*
* Unix SMB/CIFS implementation.
*
* ID mapping: abstract r/w new-mapping mechanism
*
* Copyright (C) Michael Adam 2010
*
* 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"
#include "winbindd.h"
#include "idmap.h"
#include "idmap_rw.h"
#include "libcli/security/dom_sid.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
NTSTATUS idmap_rw_new_mapping(struct idmap_domain *dom,
struct idmap_rw_ops *ops,
struct id_map *map)
{
struct dom_sid_buf buf;
NTSTATUS status;
if (map == NULL) {
return NT_STATUS_INVALID_PARAMETER;
}
if (map->sid == NULL) {
return NT_STATUS_INVALID_PARAMETER;
}
switch (map->xid.type) {
case ID_TYPE_NOT_SPECIFIED:
/*
* We need to know if we need a user or group mapping.
* Ask the winbindd parent to provide a valid type hint.
*/
DBG_INFO("%s ID_TYPE_NOT_SPECIFIED => ID_REQUIRE_TYPE\n",
dom_sid_str_buf(map->sid, &buf));
map->status = ID_REQUIRE_TYPE;
return NT_STATUS_SOME_NOT_MAPPED;
case ID_TYPE_BOTH:
/*
* For now we still require
* an explicit type as hint
* and don't support ID_TYPE_BOTH
*/
DBG_INFO("%s ID_TYPE_BOTH => ID_REQUIRE_TYPE\n",
dom_sid_str_buf(map->sid, &buf));
map->status = ID_REQUIRE_TYPE;
return NT_STATUS_SOME_NOT_MAPPED;
case ID_TYPE_UID:
break;
case ID_TYPE_GID:
break;
default:
return NT_STATUS_INVALID_PARAMETER;
}
status = ops->get_new_id(dom, &map->xid);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("Could not allocate id: %s\n", nt_errstr(status)));
return status;
}
DEBUG(10, ("Setting mapping: %s <-> %s %lu\n",
dom_sid_str_buf(map->sid, &buf),
(map->xid.type == ID_TYPE_UID) ? "UID" : "GID",
(unsigned long)map->xid.id));
map->status = ID_MAPPED;
status = ops->set_mapping(dom, map);
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
struct id_map *ids[2];
DEBUG(5, ("Mapping for %s exists - retrying to map sid\n",
dom_sid_str_buf(map->sid, &buf)));
ids[0] = map;
ids[1] = NULL;
status = dom->methods->sids_to_unixids(dom, ids);
}
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("Could not store the new mapping: %s\n",
nt_errstr(status)));
return status;
}
return NT_STATUS_OK;
}
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