/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2016 Red Hat
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 <talloc.h>
#include <ldb.h>
#include "db/sysdb.h"
#include "util/util.h"
#include "providers/data_provider.h"
#include "responder/common/cache_req/cache_req_plugin.h"
static errno_t
cache_req_object_by_sid_well_known(TALLOC_CTX *mem_ctx,
struct cache_req *cr,
struct cache_req_data *data,
struct cache_req_result **_result)
{
struct cache_req_result *result;
const char *domname;
const char *name;
errno_t ret;
ret = well_known_sid_to_name(data->sid, &domname, &name);
if (ret != EOK) {
CACHE_REQ_DEBUG(SSSDBG_TRACE_ALL, cr,
"SID [%s] is not a Well-Known SID.\n", data->sid);
return ret;
}
result = cache_req_well_known_sid_result(mem_ctx, cr, domname,
data->sid, name);
if (result == NULL) {
return ENOMEM;
}
*_result = result;
return EOK;
}
static const char *
cache_req_object_by_sid_create_debug_name(TALLOC_CTX *mem_ctx,
struct cache_req_data *data,
struct sss_domain_info *domain)
{
return talloc_asprintf(mem_ctx, "SID:%s@%s", data->sid, domain->name);
}
static errno_t
cache_req_object_by_sid_ncache_check(struct sss_nc_ctx *ncache,
struct sss_domain_info *domain,
struct cache_req_data *data)
{
return sss_ncache_check_sid(ncache, data->sid);
}
static errno_t
cache_req_object_by_sid_global_ncache_add(struct sss_nc_ctx *ncache,
struct cache_req_data *data)
{
return sss_ncache_set_sid(ncache, false, data->sid);
}
static errno_t
cache_req_object_by_sid_lookup(TALLOC_CTX *mem_ctx,
struct cache_req *cr,
struct cache_req_data *data,
struct sss_domain_info *domain,
struct ldb_result **_result)
{
return sysdb_search_object_by_sid(mem_ctx, domain, data->sid, data->attrs,
_result);
}
static struct tevent_req *
cache_req_object_by_sid_dp_send(TALLOC_CTX *mem_ctx,
struct cache_req *cr,
struct cache_req_data *data,
struct sss_domain_info *domain,
struct ldb_result *result)
{
return sss_dp_get_account_send(mem_ctx, cr->rctx, domain, true,
SSS_DP_SECID, cr->data->sid, 0, NULL);
}
const struct cache_req_plugin cache_req_object_by_sid = {
.name = "Object by SID",
.attr_expiration = SYSDB_CACHE_EXPIRE,
.parse_name = false,
.ignore_default_domain = false,
.bypass_cache = false,
.only_one_result = true,
.search_all_domains = false,
.require_enumeration = false,
.allow_missing_fqn = true,
.allow_switch_to_upn = false,
.upn_equivalent = CACHE_REQ_SENTINEL,
.get_next_domain_flags = SSS_GND_DESCEND,
.is_well_known_fn = cache_req_object_by_sid_well_known,
.prepare_domain_data_fn = NULL,
.create_debug_name_fn = cache_req_object_by_sid_create_debug_name,
.global_ncache_add_fn = cache_req_object_by_sid_global_ncache_add,
.ncache_check_fn = cache_req_object_by_sid_ncache_check,
.ncache_add_fn = NULL,
.ncache_filter_fn = NULL,
.lookup_fn = cache_req_object_by_sid_lookup,
.dp_send_fn = cache_req_object_by_sid_dp_send,
.dp_recv_fn = cache_req_common_dp_recv,
.dp_get_domain_check_fn = NULL,
.dp_get_domain_send_fn = NULL,
.dp_get_domain_recv_fn = NULL,
};
struct tevent_req *
cache_req_object_by_sid_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct resp_ctx *rctx,
struct sss_nc_ctx *ncache,
int cache_refresh_percent,
const char *domain,
const char *sid,
const char **attrs)
{
struct cache_req_data *data;
data = cache_req_data_sid(mem_ctx, CACHE_REQ_OBJECT_BY_SID, sid, attrs);
if (data == NULL) {
return NULL;
}
return cache_req_steal_data_and_send(mem_ctx, ev, rctx, ncache,
cache_refresh_percent,
CACHE_REQ_POSIX_DOM, domain,
data);
}