/* Unix SMB/CIFS implementation. async lookupname 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 "../libcli/security/security.h" struct wb_lookupname_state { struct tevent_context *ev; const char *dom_name; const char *name; uint32_t flags; struct dom_sid sid; enum lsa_SidType type; }; static void wb_lookupname_done(struct tevent_req *subreq); static void wb_lookupname_root_done(struct tevent_req *subreq); struct tevent_req *wb_lookupname_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, const char *dom_name, const char *name, uint32_t flags) { struct tevent_req *req, *subreq; struct wb_lookupname_state *state; struct winbindd_domain *domain; req = tevent_req_create(mem_ctx, &state, struct wb_lookupname_state); if (req == NULL) { return NULL; } state->ev = ev; state->flags = flags; /* * Uppercase domain and name so that we become cache-friendly */ state->dom_name = talloc_strdup_upper(state, dom_name); if (tevent_req_nomem(state->dom_name, req)) { return tevent_req_post(req, ev); } state->name = talloc_strdup_upper(state, name); if (tevent_req_nomem(state->name, req)) { return tevent_req_post(req, ev); } domain = find_lookup_domain_from_name(state->dom_name); if (domain == NULL) { DEBUG(5, ("Could not find domain for %s\n", state->dom_name)); tevent_req_nterror(req, NT_STATUS_NONE_MAPPED); return tevent_req_post(req, ev); } subreq = dcerpc_wbint_LookupName_send( state, ev, dom_child_handle(domain), state->dom_name, state->name, flags, &state->type, &state->sid); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback(subreq, wb_lookupname_done, req); return req; } static void wb_lookupname_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct wb_lookupname_state *state = tevent_req_data( req, struct wb_lookupname_state); struct winbindd_domain *root_domain; NTSTATUS status, result; status = dcerpc_wbint_LookupName_recv(subreq, state, &result); TALLOC_FREE(subreq); if (tevent_req_nterror(req, status)) { return; } if (NT_STATUS_IS_OK(result)) { tevent_req_done(req); return; } /* * "our" DC did not find it, lets retry with the forest root * domain */ root_domain = find_root_domain(); if (root_domain == NULL) { tevent_req_nterror(req, result); return; } subreq = dcerpc_wbint_LookupName_send( state, state->ev, dom_child_handle(root_domain), state->dom_name, state->name, state->flags, &state->type, &state->sid); if (tevent_req_nomem(subreq, req)) { return; } tevent_req_set_callback(subreq, wb_lookupname_root_done, req); } static void wb_lookupname_root_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct wb_lookupname_state *state = tevent_req_data( req, struct wb_lookupname_state); NTSTATUS status, result; status = dcerpc_wbint_LookupName_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_lookupname_recv(struct tevent_req *req, struct dom_sid *sid, enum lsa_SidType *type) { struct wb_lookupname_state *state = tevent_req_data( req, struct wb_lookupname_state); NTSTATUS status; if (tevent_req_is_nterror(req, &status)) { return status; } sid_copy(sid, &state->sid); *type = state->type; return NT_STATUS_OK; }