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/*
Unix SMB/CIFS implementation.
async uid2sid
Copyright (C) Volker Lendecke 2009
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 "librpc/gen_ndr/cli_wbint.h"
#include "idmap_cache.h"
#include "idmap.h"
#include "../libcli/security/security.h"
struct wb_uid2sid_state {
struct tevent_context *ev;
char *dom_name;
struct dom_sid sid;
};
static void wb_uid2sid_done(struct tevent_req *subreq);
struct tevent_req *wb_uid2sid_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
uid_t uid)
{
struct tevent_req *req, *subreq;
struct wb_uid2sid_state *state;
struct winbindd_domain *domain;
struct winbindd_child *child;
bool expired;
req = tevent_req_create(mem_ctx, &state, struct wb_uid2sid_state);
if (req == NULL) {
return NULL;
}
if (winbindd_use_idmap_cache()
&& idmap_cache_find_uid2sid(uid, &state->sid, &expired)) {
DEBUG(10, ("idmap_cache_find_uid2sid found %d%s\n",
(int)uid, expired ? " (expired)": ""));
if (!expired || idmap_is_offline()) {
if (is_null_sid(&state->sid)) {
tevent_req_nterror(req,
NT_STATUS_NONE_MAPPED);
} else {
tevent_req_done(req);
}
return tevent_req_post(req, ev);
}
}
state->dom_name = NULL;
for (domain = domain_list(); domain != NULL; domain = domain->next) {
if (domain->have_idmap_config
&& (uid >= domain->id_range_low)
&& (uid <= domain->id_range_high)) {
state->dom_name = domain->name;
break;
}
}
child = idmap_child();
subreq = dcerpc_wbint_Uid2Sid_send(
state, ev, child->binding_handle, state->dom_name,
uid, &state->sid);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_uid2sid_done, req);
return req;
}
static void wb_uid2sid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_uid2sid_state *state = tevent_req_data(
req, struct wb_uid2sid_state);
NTSTATUS status, result;
status = dcerpc_wbint_Uid2Sid_recv(subreq, state, &result);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
if (!NT_STATUS_IS_OK(result)) {
tevent_req_nterror(req, result);
return;
}
tevent_req_done(req);
}
NTSTATUS wb_uid2sid_recv(struct tevent_req *req, struct dom_sid *sid)
{
struct wb_uid2sid_state *state = tevent_req_data(
req, struct wb_uid2sid_state);
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
return status;
}
sid_copy(sid, &state->sid);
return NT_STATUS_OK;
}
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