/* Unix SMB/CIFS implementation. Map a SID to a uid Copyright (C) 2007-2008 Kai Blin 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 "libcli/composite/composite.h" #include "winbind/wb_server.h" #include "smbd/service_task.h" #include "libcli/security/security.h" struct sid2uid_state { struct composite_context *ctx; struct wbsrv_service *service; uid_t uid; }; static void sid2uid_recv_uid(struct composite_context *ctx); struct composite_context *wb_sid2uid_send(TALLOC_CTX *mem_ctx, struct wbsrv_service *service, const struct dom_sid *sid) { struct composite_context *result, *ctx; struct sid2uid_state *state; struct id_map *ids; DEBUG(5, ("wb_sid2uid_send called\n")); result = composite_create(mem_ctx, service->task->event_ctx); if (!result) return NULL; state = talloc(result, struct sid2uid_state); if (composite_nomem(state, result)) return result; state->ctx = result; result->private_data = state; state->service = service; ids = talloc(result, struct id_map); if (composite_nomem(ids, result)) return result; ids->sid = dom_sid_dup(result, sid); if (composite_nomem(ids->sid, result)) return result; ctx = wb_sids2xids_send(result, service, 1, ids); if (composite_nomem(ctx, result)) return result; composite_continue(result, ctx, sid2uid_recv_uid, state); return result; } static void sid2uid_recv_uid(struct composite_context *ctx) { struct sid2uid_state *state = talloc_get_type(ctx->async.private_data, struct sid2uid_state); struct id_map *ids = NULL; state->ctx->status = wb_sids2xids_recv(ctx, &ids); if (!composite_is_ok(state->ctx)) return; if (ids->status != ID_MAPPED) { composite_error(state->ctx, NT_STATUS_UNSUCCESSFUL); return; } if (ids->xid.type == ID_TYPE_BOTH || ids->xid.type == ID_TYPE_UID) { state->uid = ids->xid.id; composite_done(state->ctx); } else { composite_error(state->ctx, NT_STATUS_INVALID_SID); } } NTSTATUS wb_sid2uid_recv(struct composite_context *ctx, uid_t *uid) { NTSTATUS status = composite_wait(ctx); DEBUG(5, ("wb_sid2uid_recv called\n")); if (NT_STATUS_IS_OK(status)) { struct sid2uid_state *state = talloc_get_type(ctx->private_data, struct sid2uid_state); *uid = state->uid; } talloc_free(ctx); return status; }