/* Unix SMB/CIFS implementation. async implementation of WINBINDD_SID_TO_UID 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 "../libcli/security/security.h" struct winbindd_sid_to_uid_state { struct dom_sid sid; uid_t uid; }; static void winbindd_sid_to_uid_done(struct tevent_req *subreq); struct tevent_req *winbindd_sid_to_uid_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_sid_to_uid_state *state; req = tevent_req_create(mem_ctx, &state, struct winbindd_sid_to_uid_state); if (req == NULL) { return NULL; } /* Ensure null termination */ request->data.sid[sizeof(request->data.sid)-1]='\0'; DEBUG(3, ("sid to uid %s\n", request->data.sid)); if (!string_to_sid(&state->sid, request->data.sid)) { DEBUG(1, ("Could not get convert sid %s from string\n", request->data.sid)); tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); return tevent_req_post(req, ev); } subreq = wb_sids2xids_send(state, ev, &state->sid, 1); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback(subreq, winbindd_sid_to_uid_done, req); return req; } static void winbindd_sid_to_uid_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_sid_to_uid_state *state = tevent_req_data( req, struct winbindd_sid_to_uid_state); NTSTATUS status; struct unixid xid; status = wb_sids2xids_recv(subreq, &xid); TALLOC_FREE(subreq); if (tevent_req_nterror(req, status)) { return; } /* * We are filtering further down in sids2xids, but that filtering * depends on the actual type of the sid handed in (as determined * by lookupsids). Here we need to filter for the type of object * actually requested, in this case uid. */ if (!(xid.type == ID_TYPE_UID || xid.type == ID_TYPE_BOTH)) { tevent_req_nterror(req, NT_STATUS_NONE_MAPPED); return; } state->uid = (uid_t)xid.id; tevent_req_done(req); } NTSTATUS winbindd_sid_to_uid_recv(struct tevent_req *req, struct winbindd_response *response) { struct winbindd_sid_to_uid_state *state = tevent_req_data( req, struct winbindd_sid_to_uid_state); NTSTATUS status; if (tevent_req_is_nterror(req, &status)) { DEBUG(5, ("Could not convert sid %s: %s\n", sid_string_dbg(&state->sid), nt_errstr(status))); return status; } response->data.uid = state->uid; return NT_STATUS_OK; }