/* Unix SMB/CIFS implementation. async uid2sid 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 "librpc/gen_ndr/ndr_wbint_c.h" #include "idmap_cache.h" #include "idmap.h" #include "../libcli/security/security.h" struct wb_uid2sid_state { struct tevent_context *ev; char *dom_name; struct dom_sid sid; }; static void wb_uid2sid_done(struct tevent_req *subreq); struct tevent_req *wb_uid2sid_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, uid_t uid) { struct tevent_req *req, *subreq; struct wb_uid2sid_state *state; struct winbindd_domain *domain; struct winbindd_child *child; bool expired; req = tevent_req_create(mem_ctx, &state, struct wb_uid2sid_state); if (req == NULL) { return NULL; } if (winbindd_use_idmap_cache() && idmap_cache_find_uid2sid(uid, &state->sid, &expired)) { DEBUG(10, ("idmap_cache_find_uid2sid found %d%s\n", (int)uid, expired ? " (expired)": "")); if (!expired || idmap_is_offline()) { if (is_null_sid(&state->sid)) { tevent_req_nterror(req, NT_STATUS_NONE_MAPPED); } else { tevent_req_done(req); } return tevent_req_post(req, ev); } } state->dom_name = NULL; for (domain = domain_list(); domain != NULL; domain = domain->next) { if (domain->have_idmap_config && (uid >= domain->id_range_low) && (uid <= domain->id_range_high)) { state->dom_name = domain->name; break; } } child = idmap_child(); subreq = dcerpc_wbint_Uid2Sid_send( state, ev, child->binding_handle, state->dom_name, uid, &state->sid); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback(subreq, wb_uid2sid_done, req); return req; } static void wb_uid2sid_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct wb_uid2sid_state *state = tevent_req_data( req, struct wb_uid2sid_state); NTSTATUS status, result; status = dcerpc_wbint_Uid2Sid_recv(subreq, state, &result); TALLOC_FREE(subreq); if (any_nt_status_not_ok(status, result, &status)) { tevent_req_nterror(req, status); return; } tevent_req_done(req); } NTSTATUS wb_uid2sid_recv(struct tevent_req *req, struct dom_sid *sid) { struct wb_uid2sid_state *state = tevent_req_data( req, struct wb_uid2sid_state); NTSTATUS status; if (tevent_req_is_nterror(req, &status)) { return status; } sid_copy(sid, &state->sid); return NT_STATUS_OK; }