| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "apr.h" |
| #include <rpc.h> |
| #include <winnt.h> |
| #include <bcrypt.h> |
| #include "apr_private.h" |
| #include "apr_general.h" |
| #include "apr_portable.h" |
| #include "apr_arch_misc.h" |
| |
| |
| APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char * buf, |
| apr_size_t length) |
| { |
| NTSTATUS ntstatus; |
| |
| ntstatus = BCryptGenRandom(NULL, buf, (DWORD) length, |
| BCRYPT_USE_SYSTEM_PREFERRED_RNG); |
| |
| if (BCRYPT_SUCCESS(ntstatus)) { |
| return APR_SUCCESS; |
| } |
| else if (ntstatus == STATUS_INVALID_PARAMETER) { |
| return APR_FROM_OS_ERROR(ERROR_INVALID_PARAMETER); |
| } |
| else { |
| return APR_EGENERAL; |
| } |
| } |
| |
| |
| APR_DECLARE(apr_status_t) apr_os_uuid_get(unsigned char *uuid_data) |
| { |
| /* Note: this call doesn't actually require CoInitialize() first |
| * |
| * XXX: we should scramble the bytes or some such to eliminate the |
| * possible misuse/abuse since uuid is based on the NIC address, and |
| * is therefore not only a uniqifier, but an identity (which might not |
| * be appropriate in all cases. |
| * |
| * Note that Win2000, XP and later no longer suffer from this problem, |
| * a scrambling fix is only needed for (apr_os_level < APR_WIN_2000) |
| */ |
| if (FAILED(UuidCreate((UUID *)uuid_data))) { |
| return APR_EGENERAL; |
| } |
| return APR_SUCCESS; |
| } |