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libwbclient4: Add wbc_xids_to_sids

Signed-off-by: Volker Lendecke <vl@samba.org>

Change-Id: Ibb67f6aabd9a3fbd023ff9ec1a34d82ae599177c
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This commit is contained in:
Volker Lendecke 2014-02-01 20:46:28 +01:00 committed by Andreas Schneider
parent 7289d1c30b
commit 53b7665fc2

View File

@ -21,6 +21,7 @@
#include "includes.h"
#include <tevent.h>
#include "lib/util/tevent_unix.h"
#include "libcli/wbclient/wbclient.h"
#include "nsswitch/wb_reqtrans.h"
#include "system/network.h"
@ -361,3 +362,217 @@ NTSTATUS wbc_sids_to_xids(struct tevent_context *ev, struct id_map *ids,
return NT_STATUS_OK;
}
struct wbc_id_to_sid_state {
struct winbindd_request wbreq;
struct dom_sid sid;
};
static void wbc_id_to_sid_done(struct tevent_req *subreq);
static struct tevent_req *wbc_id_to_sid_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
int fd, const struct unixid *id)
{
struct tevent_req *req, *subreq;
struct wbc_id_to_sid_state *state;
req = tevent_req_create(mem_ctx, &state, struct wbc_id_to_sid_state);
if (req == NULL) {
return NULL;
}
switch(id->type) {
case ID_TYPE_UID:
state->wbreq.cmd = WINBINDD_UID_TO_SID;
state->wbreq.data.uid = id->id;
break;
case ID_TYPE_GID:
state->wbreq.cmd = WINBINDD_GID_TO_SID;
state->wbreq.data.gid = id->id;
break;
default:
tevent_req_error(req, ENOENT);
return tevent_req_post(req, ev);
}
subreq = wb_simple_trans_send(state, ev, NULL, fd, &state->wbreq);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wbc_id_to_sid_done, req);
return req;
}
static void wbc_id_to_sid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wbc_id_to_sid_state *state = tevent_req_data(
req, struct wbc_id_to_sid_state);
struct winbindd_response *wbresp;
int ret, err;
ret = wb_simple_trans_recv(subreq, state, &wbresp, &err);
TALLOC_FREE(subreq);
if (ret == -1) {
tevent_req_error(req, err);
return;
}
if ((wbresp->result != WINBINDD_OK) ||
!dom_sid_parse(wbresp->data.sid.sid, &state->sid)) {
tevent_req_error(req, ENOENT);
return;
}
tevent_req_done(req);
}
static int wbc_id_to_sid_recv(struct tevent_req *req, struct dom_sid *sid)
{
struct wbc_id_to_sid_state *state = tevent_req_data(
req, struct wbc_id_to_sid_state);
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
sid_copy(sid, &state->sid);
return 0;
}
struct wbc_ids_to_sids_state {
struct tevent_context *ev;
int fd;
struct id_map *ids;
uint32_t count;
uint32_t idx;
};
static void wbc_ids_to_sids_done(struct tevent_req *subreq);
static struct tevent_req *wbc_ids_to_sids_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
int fd, struct id_map *ids, uint32_t count)
{
struct tevent_req *req, *subreq;
struct wbc_ids_to_sids_state *state;
req = tevent_req_create(mem_ctx, &state,
struct wbc_ids_to_sids_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->fd = fd;
state->ids = ids;
state->count = count;
if (count == 0) {
tevent_req_done(req);
return tevent_req_post(req, ev);
}
subreq = wbc_id_to_sid_send(state, state->ev, state->fd,
&state->ids[state->idx].xid);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wbc_ids_to_sids_done, req);
return req;
}
static void wbc_ids_to_sids_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wbc_ids_to_sids_state *state = tevent_req_data(
req, struct wbc_ids_to_sids_state);
struct id_map *id;
struct dom_sid sid;
int ret;
ret = wbc_id_to_sid_recv(subreq, &sid);
TALLOC_FREE(subreq);
id = &state->ids[state->idx];
if (ret == 0) {
id->status = ID_MAPPED;
id->sid = dom_sid_dup(state->ids, &sid);
if (id->sid == NULL) {
tevent_req_error(req, ENOMEM);
return;
}
} else {
id->status = ID_UNMAPPED;
id->sid = NULL;
}
state->idx += 1;
if (state->idx == state->count) {
tevent_req_done(req);
return;
}
subreq = wbc_id_to_sid_send(state, state->ev, state->fd,
&state->ids[state->idx].xid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wbc_ids_to_sids_done, req);
}
static int wbc_ids_to_sids_recv(struct tevent_req *req)
{
int err;
if (tevent_req_is_unix_error(req, &err)) {
return err;
}
return 0;
}
NTSTATUS wbc_xids_to_sids(struct tevent_context *ev, struct id_map *ids,
uint32_t count)
{
struct tevent_req *req;
NTSTATUS status;
bool polled;
int ret, fd;
DEBUG(5, ("wbc_xids_to_sids called: %u ids\n", (unsigned)count));
fd = winbindd_pipe_sock();
if (fd == -1) {
status = map_nt_error_from_unix_common(errno);
DEBUG(10, ("winbindd_pipe_sock returned %s\n",
strerror(errno)));
return status;
}
req = wbc_ids_to_sids_send(ev, ev, fd, ids, count);
if (req == NULL) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
polled = tevent_req_poll(req, ev);
if (!polled) {
status = map_nt_error_from_unix_common(errno);
DEBUG(10, ("tevent_req_poll returned %s\n",
strerror(errno)));
goto done;
}
ret = wbc_ids_to_sids_recv(req);
TALLOC_FREE(req);
if (ret != 0) {
status = map_nt_error_from_unix_common(ret);
DEBUG(10, ("tevent_req_poll returned %s\n",
strerror(ret)));
} else {
status = NT_STATUS_OK;
}
done:
close(fd);
return status;
}