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/*
Unix SMB/CIFS implementation.
async alias_members
Copyright (C) Pavel Filipenský 2023
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_winbind_c.h"
#include "../libcli/security/security.h"
struct wb_alias_members_state {
struct tevent_context *ev;
struct dom_sid sid;
struct wbint_SidArray sids;
};
static void wb_alias_members_done(struct tevent_req *subreq);
struct tevent_req *wb_alias_members_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const struct dom_sid *sid,
enum lsa_SidType type,
int max_nesting)
{
struct tevent_req *req, *subreq;
struct wb_alias_members_state *state;
struct winbindd_domain *domain;
NTSTATUS status;
struct dom_sid_buf buf;
req = tevent_req_create(mem_ctx, &state, struct wb_alias_members_state);
if (req == NULL) {
return NULL;
}
D_INFO("WB command alias_members start.\nLooking up SID %s.\n",
dom_sid_str_buf(sid, &buf));
if (max_nesting <= 0) {
D_DEBUG("Finished. The depth based on 'winbind expand groups' is %d.\n", max_nesting);
state->sids.num_sids = 0;
state->sids.sids = NULL;
tevent_req_done(req);
return tevent_req_post(req, ev);
}
sid_copy(&state->sid, sid);
status = lookup_usergroups_cached(state,
&state->sid,
&state->sids.num_sids,
&state->sids.sids);
if (NT_STATUS_IS_OK(status)) {
tevent_req_done(req);
return tevent_req_post(req, ev);
}
domain = find_domain_from_sid_noinit(&state->sid);
if (domain == NULL) {
DBG_WARNING("could not find domain entry for sid %s\n",
dom_sid_str_buf(&state->sid, &buf));
tevent_req_nterror(req, NT_STATUS_NO_SUCH_ALIAS);
return tevent_req_post(req, ev);
}
subreq = dcerpc_wbint_LookupAliasMembers_send(state,
ev,
dom_child_handle(domain),
&state->sid,
type,
&state->sids);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_alias_members_done, req);
return req;
}
static void wb_alias_members_done(struct tevent_req *subreq)
{
struct tevent_req *req =
tevent_req_callback_data(subreq, struct tevent_req);
struct wb_alias_members_state *state =
tevent_req_data(req, struct wb_alias_members_state);
NTSTATUS status, result;
status = dcerpc_wbint_LookupAliasMembers_recv(subreq, state, &result);
TALLOC_FREE(subreq);
if (any_nt_status_not_ok(status, result, &status)) {
D_WARNING("Failed with %s.\n", nt_errstr(status));
tevent_req_nterror(req, status);
return;
}
tevent_req_done(req);
}
NTSTATUS wb_alias_members_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
uint32_t *num_sids,
struct dom_sid **sids)
{
struct wb_alias_members_state *state =
tevent_req_data(req, struct wb_alias_members_state);
NTSTATUS status;
uint32_t i;
if (tevent_req_is_nterror(req, &status)) {
return status;
}
*num_sids = state->sids.num_sids;
*sids = talloc_move(mem_ctx, &state->sids.sids);
D_INFO("WB command alias_members end.\nReceived %" PRIu32 " SID(s).\n",
*num_sids);
if (CHECK_DEBUGLVL(DBGLVL_INFO)) {
for (i = 0; i < *num_sids; i++) {
struct dom_sid_buf buf;
D_INFO("%" PRIu32 ": %s\n",
i,
dom_sid_str_buf(&(*sids)[i], &buf));
}
}
return NT_STATUS_OK;
}
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