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/*
Unix SMB/CIFS implementation.
async lookupsid
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"
struct wb_lookupsid_state {
struct tevent_context *ev;
struct winbindd_domain *lookup_domain;
struct dom_sid sid;
enum lsa_SidType type;
const char *domname;
const char *name;
};
static void wb_lookupsid_done(struct tevent_req *subreq);
struct tevent_req *wb_lookupsid_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const struct dom_sid *sid)
{
struct tevent_req *req, *subreq;
struct wb_lookupsid_state *state;
char *dom_name, *name;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state, struct wb_lookupsid_state);
if (req == NULL) {
return NULL;
}
sid_copy(&state->sid, sid);
state->ev = ev;
state->lookup_domain = find_lookup_domain_from_sid(sid);
if (state->lookup_domain == NULL) {
DEBUG(5, ("Could not find domain for sid %s\n",
sid_string_dbg(sid)));
tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
return tevent_req_post(req, ev);
}
status = wcache_sid_to_name(state->lookup_domain, sid, state,
&dom_name, &name, &state->type);
if (NT_STATUS_IS_OK(status)) {
state->domname = dom_name;
state->name = name;
tevent_req_done(req);
return tevent_req_post(req, ev);
}
subreq = rpccli_wbint_LookupSid_send(
state, ev, state->lookup_domain->child.rpccli,
&state->sid, &state->type, &state->domname, &state->name);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_lookupsid_done, req);
return req;
}
static void wb_lookupsid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_lookupsid_state *state = tevent_req_data(
req, struct wb_lookupsid_state);
struct winbindd_domain *forest_root;
NTSTATUS status, result;
status = rpccli_wbint_LookupSid_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_done(req);
return;
}
/*
* Let's try the forest root
*/
forest_root = find_root_domain();
if ((forest_root == NULL) || (forest_root == state->lookup_domain)) {
tevent_req_nterror(req, result);
return;
}
state->lookup_domain = forest_root;
subreq = rpccli_wbint_LookupSid_send(
state, state->ev, state->lookup_domain->child.rpccli,
&state->sid, &state->type, &state->domname, &state->name);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_lookupsid_done, req);
}
NTSTATUS wb_lookupsid_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
enum lsa_SidType *type, const char **domain,
const char **name)
{
struct wb_lookupsid_state *state = tevent_req_data(
req, struct wb_lookupsid_state);
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
return status;
}
*type = state->type;
*domain = talloc_move(mem_ctx, &state->domname);
*name = talloc_move(mem_ctx, &state->name);
return NT_STATUS_OK;
}
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