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/*
Unix SMB/CIFS implementation.
async implementation of WINBINDD_SIDS_TO_XIDS
Copyright (C) Volker Lendecke 2011
Copyright (C) Michael Adam 2012
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 "../libcli/security/security.h"
struct winbindd_sids_to_xids_state {
struct tevent_context *ev;
struct dom_sid *sids;
uint32_t num_sids;
struct unixid *xids;
};
static void winbindd_sids_to_xids_done(struct tevent_req *subreq);
struct tevent_req *winbindd_sids_to_xids_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct winbindd_cli_state *cli,
struct winbindd_request *request)
{
struct tevent_req *req, *subreq;
struct winbindd_sids_to_xids_state *state;
req = tevent_req_create(mem_ctx, &state,
struct winbindd_sids_to_xids_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
DEBUG(3, ("sids_to_xids\n"));
if (request->extra_len == 0) {
tevent_req_done(req);
return tevent_req_post(req, ev);
}
if (request->extra_data.data[request->extra_len-1] != '\0') {
DEBUG(10, ("Got invalid sids list\n"));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
if (!parse_sidlist(state, request->extra_data.data,
&state->sids, &state->num_sids)) {
DEBUG(10, ("parse_sidlist failed\n"));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
DEBUG(10, ("num_sids: %d\n", (int)state->num_sids));
subreq = wb_sids2xids_send(state, ev, state->sids, state->num_sids);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, winbindd_sids_to_xids_done, req);
return req;
}
static void winbindd_sids_to_xids_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct winbindd_sids_to_xids_state *state = tevent_req_data(
req, struct winbindd_sids_to_xids_state);
NTSTATUS status;
state->xids = talloc_zero_array(state, struct unixid, state->num_sids);
if (tevent_req_nomem(state->xids, req)) {
return;
}
status = wb_sids2xids_recv(subreq, state->xids);
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, status)) {
return;
}
tevent_req_done(req);
}
NTSTATUS winbindd_sids_to_xids_recv(struct tevent_req *req,
struct winbindd_response *response)
{
struct winbindd_sids_to_xids_state *state = tevent_req_data(
req, struct winbindd_sids_to_xids_state);
NTSTATUS status;
char *result = NULL;
uint32_t i;
if (tevent_req_is_nterror(req, &status)) {
DEBUG(5, ("Could not convert sids: %s\n", nt_errstr(status)));
return status;
}
result = talloc_strdup(response, "");
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
for (i=0; i<state->num_sids; i++) {
char type = '\0';
bool found = true;
struct unixid xid;
xid = state->xids[i];
switch (xid.type) {
case ID_TYPE_UID:
type = 'U';
break;
case ID_TYPE_GID:
type = 'G';
break;
case ID_TYPE_BOTH:
type = 'B';
break;
default:
found = false;
break;
}
if (xid.id == UINT32_MAX) {
found = false;
}
if (found) {
result = talloc_asprintf_append_buffer(
result, "%c%lu\n", type,
(unsigned long)xid.id);
} else {
result = talloc_asprintf_append_buffer(result, "\n");
}
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
}
response->extra_data.data = result;
response->length += talloc_get_size(result);
return NT_STATUS_OK;
}
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