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/*
Unix SMB/CIFS implementation.
async lookupname
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/ndr_wbint_c.h"
#include "../libcli/security/security.h"
struct wb_lookupname_state {
struct tevent_context *ev;
const char *dom_name;
const char *name;
uint32_t flags;
struct dom_sid sid;
enum lsa_SidType type;
};
static void wb_lookupname_done(struct tevent_req *subreq);
static void wb_lookupname_root_done(struct tevent_req *subreq);
struct tevent_req *wb_lookupname_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *dom_name, const char *name,
uint32_t flags)
{
struct tevent_req *req, *subreq;
struct wb_lookupname_state *state;
struct winbindd_domain *domain;
req = tevent_req_create(mem_ctx, &state, struct wb_lookupname_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->flags = flags;
/*
* Uppercase domain and name so that we become cache-friendly
*/
state->dom_name = talloc_strdup_upper(state, dom_name);
if (tevent_req_nomem(state->dom_name, req)) {
return tevent_req_post(req, ev);
}
state->name = talloc_strdup_upper(state, name);
if (tevent_req_nomem(state->name, req)) {
return tevent_req_post(req, ev);
}
domain = find_lookup_domain_from_name(state->dom_name);
if (domain == NULL) {
DEBUG(5, ("Could not find domain for %s\n", state->dom_name));
tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
return tevent_req_post(req, ev);
}
subreq = dcerpc_wbint_LookupName_send(
state, ev, domain->child.binding_handle, state->dom_name, state->name,
flags, &state->type, &state->sid);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_lookupname_done, req);
return req;
}
static void wb_lookupname_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_lookupname_state *state = tevent_req_data(
req, struct wb_lookupname_state);
struct winbindd_domain *root_domain;
NTSTATUS status, result;
status = dcerpc_wbint_LookupName_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;
}
/*
* "our" DC did not find it, lets retry with the forest root
* domain
*/
root_domain = find_root_domain();
if (root_domain == NULL) {
tevent_req_nterror(req, result);
return;
}
subreq = dcerpc_wbint_LookupName_send(
state, state->ev, root_domain->child.binding_handle, state->dom_name,
state->name, state->flags, &state->type, &state->sid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_lookupname_root_done, req);
}
static void wb_lookupname_root_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_lookupname_state *state = tevent_req_data(
req, struct wb_lookupname_state);
NTSTATUS status, result;
status = dcerpc_wbint_LookupName_recv(subreq, state, &result);
TALLOC_FREE(subreq);
if (any_nt_status_not_ok(status, result, &status)) {
tevent_req_nterror(req, status);
return;
}
tevent_req_done(req);
}
NTSTATUS wb_lookupname_recv(struct tevent_req *req, struct dom_sid *sid,
enum lsa_SidType *type)
{
struct wb_lookupname_state *state = tevent_req_data(
req, struct wb_lookupname_state);
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
return status;
}
sid_copy(sid, &state->sid);
*type = state->type;
return NT_STATUS_OK;
}
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