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