1/* 2 Unix SMB/CIFS implementation. 3 async lookupsid 4 Copyright (C) Volker Lendecke 2009 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. 18*/ 19 20#include "includes.h" 21#include "winbindd.h" 22#include "librpc/gen_ndr/cli_wbint.h" 23 24struct wb_lookupsid_state { 25 struct tevent_context *ev; 26 struct winbindd_domain *lookup_domain; 27 struct dom_sid sid; 28 enum lsa_SidType type; 29 const char *domname; 30 const char *name; 31}; 32 33static void wb_lookupsid_done(struct tevent_req *subreq); 34 35struct tevent_req *wb_lookupsid_send(TALLOC_CTX *mem_ctx, 36 struct tevent_context *ev, 37 const struct dom_sid *sid) 38{ 39 struct tevent_req *req, *subreq; 40 struct wb_lookupsid_state *state; 41 42 req = tevent_req_create(mem_ctx, &state, struct wb_lookupsid_state); 43 if (req == NULL) { 44 return NULL; 45 } 46 sid_copy(&state->sid, sid); 47 state->ev = ev; 48 49 state->lookup_domain = find_lookup_domain_from_sid(sid); 50 if (state->lookup_domain == NULL) { 51 DEBUG(5, ("Could not find domain for sid %s\n", 52 sid_string_dbg(sid))); 53 tevent_req_nterror(req, NT_STATUS_NONE_MAPPED); 54 return tevent_req_post(req, ev); 55 } 56 57 subreq = rpccli_wbint_LookupSid_send( 58 state, ev, state->lookup_domain->child.rpccli, 59 &state->sid, &state->type, &state->domname, &state->name); 60 if (tevent_req_nomem(subreq, req)) { 61 return tevent_req_post(req, ev); 62 } 63 tevent_req_set_callback(subreq, wb_lookupsid_done, req); 64 return req; 65} 66 67static void wb_lookupsid_done(struct tevent_req *subreq) 68{ 69 struct tevent_req *req = tevent_req_callback_data( 70 subreq, struct tevent_req); 71 struct wb_lookupsid_state *state = tevent_req_data( 72 req, struct wb_lookupsid_state); 73 struct winbindd_domain *forest_root; 74 NTSTATUS status, result; 75 76 status = rpccli_wbint_LookupSid_recv(subreq, state, &result); 77 TALLOC_FREE(subreq); 78 if (!NT_STATUS_IS_OK(status)) { 79 tevent_req_nterror(req, status); 80 return; 81 } 82 if (NT_STATUS_IS_OK(result)) { 83 tevent_req_done(req); 84 return; 85 } 86 87 /* 88 * Let's try the forest root 89 */ 90 forest_root = find_root_domain(); 91 if ((forest_root == NULL) || (forest_root == state->lookup_domain)) { 92 tevent_req_nterror(req, result); 93 return; 94 } 95 state->lookup_domain = forest_root; 96 97 subreq = rpccli_wbint_LookupSid_send( 98 state, state->ev, state->lookup_domain->child.rpccli, 99 &state->sid, &state->type, &state->domname, &state->name); 100 if (tevent_req_nomem(subreq, req)) { 101 return; 102 } 103 tevent_req_set_callback(subreq, wb_lookupsid_done, req); 104} 105 106NTSTATUS wb_lookupsid_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, 107 enum lsa_SidType *type, const char **domain, 108 const char **name) 109{ 110 struct wb_lookupsid_state *state = tevent_req_data( 111 req, struct wb_lookupsid_state); 112 NTSTATUS status; 113 114 if (tevent_req_is_nterror(req, &status)) { 115 return status; 116 } 117 *type = state->type; 118 *domain = talloc_move(mem_ctx, &state->domname); 119 *name = talloc_move(mem_ctx, &state->name); 120 return NT_STATUS_OK; 121} 122