/* 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_general.h" #include "apr_random.h" #include "apr_thread_proc.h" #include <stdio.h> #include <stdlib.h> #include "testutil.h" static void hexdump(const unsigned char *b, int n) { int i; for (i = 0; i < n; ++i) { #if 0 if ((i & 0xf) == 0) printf("%04x", i); printf(" %02x", b[i]); if ((i & 0xf) == 0xf) printf("\n"); #else printf("0x%02x,", b[i]); if ((i & 7) == 7) printf("\n"); #endif } printf("\n"); } static apr_random_t *r; typedef apr_status_t APR_THREAD_FUNC rnd_fn(apr_random_t * r, void *b, apr_size_t n); static void rand_run_kat(abts_case *tc, rnd_fn *f, apr_random_t *r, const unsigned char expected[128]) { unsigned char c[128]; apr_status_t rv; rv = f(r, c, 128); ABTS_INT_EQUAL(tc, 0, rv); if (rv) return; if (memcmp(c, expected, 128)) { hexdump(c, 128); hexdump(expected, 128); ABTS_FAIL(tc, "Randomness mismatch"); } } static int rand_check_kat(rnd_fn *f, apr_random_t *r, const unsigned char expected[128]) { unsigned char c[128]; apr_status_t rv; rv = f(r, c, 128); if (rv) return 2; if (memcmp(c, expected, 128)) return 1; return 0; } static void rand_add_zeroes(apr_random_t *r) { static unsigned char c[2048]; apr_random_add_entropy(r, c, sizeof c); } static void rand_run_seed_short(abts_case *tc, rnd_fn *f, apr_random_t *r, int count) { int i; apr_status_t rv; char c[1]; for (i = 0; i < count; ++i) rand_add_zeroes(r); rv = f(r, c, 1); ABTS_INT_EQUAL(tc, 1, APR_STATUS_IS_ENOTENOUGHENTROPY(rv)); } static void rand_seed_short(abts_case *tc, void *data) { r = apr_random_standard_new(p); rand_run_seed_short(tc, apr_random_insecure_bytes, r, 32); } static void rand_kat(abts_case *tc, void *data) { unsigned char expected[128] = { 0x82, 0x04, 0xad, 0xd2, 0x0b, 0xd5, 0xac, 0xda, 0x3d, 0x85, 0x58, 0x38, 0x54, 0x6b, 0x69, 0x45, 0x37, 0x4c, 0xc7, 0xd7, 0x87, 0xeb, 0xbf, 0xd9, 0xb1, 0xb8, 0xb8, 0x2d, 0x9b, 0x33, 0x6e, 0x97, 0x04, 0x1d, 0x4c, 0xb0, 0xd1, 0xdf, 0x3d, 0xac, 0xd2, 0xaa, 0xfa, 0xcd, 0x96, 0xb7, 0xcf, 0xb1, 0x8e, 0x3d, 0xb3, 0xe5, 0x37, 0xa9, 0x95, 0xb4, 0xaa, 0x3d, 0x11, 0x1a, 0x08, 0x20, 0x21, 0x9f, 0xdb, 0x08, 0x3a, 0xb9, 0x57, 0x9f, 0xf2, 0x1f, 0x27, 0xdc, 0xb6, 0xc0, 0x85, 0x08, 0x05, 0xbb, 0x13, 0xbe, 0xb1, 0xe9, 0x63, 0x2a, 0xe2, 0xa4, 0x23, 0x15, 0x2a, 0x10, 0xbf, 0xdf, 0x09, 0xb3, 0xc7, 0xfb, 0x2d, 0x87, 0x48, 0x19, 0xfb, 0xc0, 0x15, 0x8c, 0xcb, 0xc6, 0xbd, 0x89, 0x38, 0x69, 0xa3, 0xae, 0xa3, 0x21, 0x58, 0x50, 0xe7, 0xc4, 0x87, 0xec, 0x2e, 0xb1, 0x2d, 0x6a, 0xbd, 0x46 }; rand_add_zeroes(r); rand_run_kat(tc, apr_random_insecure_bytes, r, expected); } static void rand_seed_short2(abts_case *tc, void *data) { rand_run_seed_short(tc, apr_random_secure_bytes, r, 320); } static void rand_kat2(abts_case *tc, void *data) { unsigned char expected[128] = { 0x38, 0x8f, 0x01, 0x29, 0x5a, 0x5c, 0x1f, 0xa8, 0x00, 0xde, 0x16, 0x4c, 0xe5, 0xf7, 0x1f, 0x58, 0xc0, 0x67, 0xe2, 0x98, 0x3d, 0xde, 0x4a, 0x75, 0x61, 0x3f, 0x23, 0xd8, 0x45, 0x7a, 0x10, 0x60, 0x59, 0x9b, 0xd6, 0xaf, 0xcb, 0x0a, 0x2e, 0x34, 0x9c, 0x39, 0x5b, 0xd0, 0xbc, 0x9a, 0xf0, 0x7b, 0x7f, 0x40, 0x8b, 0x33, 0xc0, 0x0e, 0x2a, 0x56, 0xfc, 0xe5, 0xab, 0xde, 0x7b, 0x13, 0xf5, 0xec, 0x15, 0x68, 0xb8, 0x09, 0xbc, 0x2c, 0x15, 0xf0, 0x7b, 0xef, 0x2a, 0x97, 0x19, 0xa8, 0x69, 0x51, 0xdf, 0xb0, 0x5f, 0x1a, 0x4e, 0xdf, 0x42, 0x02, 0x71, 0x36, 0xa7, 0x25, 0x64, 0x85, 0xe2, 0x72, 0xc7, 0x87, 0x4d, 0x7d, 0x15, 0xbb, 0x15, 0xd1, 0xb1, 0x62, 0x0b, 0x25, 0xd9, 0xd3, 0xd9, 0x5a, 0xe3, 0x47, 0x1e, 0xae, 0x67, 0xb4, 0x19, 0x9e, 0xed, 0xd2, 0xde, 0xce, 0x18, 0x70, 0x57, 0x12 }; rand_add_zeroes(r); rand_run_kat(tc, apr_random_secure_bytes, r, expected); } static void rand_barrier(abts_case *tc, void *data) { apr_random_barrier(r); rand_run_seed_short(tc, apr_random_secure_bytes, r, 320); } static void rand_kat3(abts_case *tc, void *data) { unsigned char expected[128] = { 0xe8, 0xe7, 0xc9, 0x45, 0xe2, 0x2a, 0x54, 0xb2, 0xdd, 0xe0, 0xf9, 0xbc, 0x3d, 0xf9, 0xce, 0x3c, 0x4c, 0xbd, 0xc9, 0xe2, 0x20, 0x4a, 0x35, 0x1c, 0x04, 0x52, 0x7f, 0xb8, 0x0f, 0x60, 0x89, 0x63, 0x8a, 0xbe, 0x0a, 0x44, 0xac, 0x5d, 0xd8, 0xeb, 0x24, 0x7d, 0xd1, 0xda, 0x4d, 0x86, 0x9b, 0x94, 0x26, 0x56, 0x4a, 0x5e, 0x30, 0xea, 0xd4, 0xa9, 0x9a, 0xdf, 0xdd, 0xb6, 0xb1, 0x15, 0xe0, 0xfa, 0x28, 0xa4, 0xd6, 0x95, 0xa4, 0xf1, 0xd8, 0x6e, 0xeb, 0x8c, 0xa4, 0xac, 0x34, 0xfe, 0x06, 0x92, 0xc5, 0x09, 0x99, 0x86, 0xdc, 0x5a, 0x3c, 0x92, 0xc8, 0x3e, 0x52, 0x00, 0x4d, 0x01, 0x43, 0x6f, 0x69, 0xcf, 0xe2, 0x60, 0x9c, 0x23, 0xb3, 0xa5, 0x5f, 0x51, 0x47, 0x8c, 0x07, 0xde, 0x60, 0xc6, 0x04, 0xbf, 0x32, 0xd6, 0xdc, 0xb7, 0x31, 0x01, 0x29, 0x51, 0x51, 0xb3, 0x19, 0x6e, 0xe4, 0xf8 }; rand_run_kat(tc, apr_random_insecure_bytes, r, expected); } static void rand_kat4(abts_case *tc, void *data) { unsigned char expected[128] = { 0x7d, 0x0e, 0xc4, 0x4e, 0x3e, 0xac, 0x86, 0x50, 0x37, 0x95, 0x7a, 0x98, 0x23, 0x26, 0xa7, 0xbf, 0x60, 0xfb, 0xa3, 0x70, 0x90, 0xc3, 0x58, 0xc6, 0xbd, 0xd9, 0x5e, 0xa6, 0x77, 0x62, 0x7a, 0x5c, 0x96, 0x83, 0x7f, 0x80, 0x3d, 0xf4, 0x9c, 0xcc, 0x9b, 0x0c, 0x8c, 0xe1, 0x72, 0xa8, 0xfb, 0xc9, 0xc5, 0x43, 0x91, 0xdc, 0x9d, 0x92, 0xc2, 0xce, 0x1c, 0x5e, 0x36, 0xc7, 0x87, 0xb1, 0xb4, 0xa3, 0xc8, 0x69, 0x76, 0xfc, 0x35, 0x75, 0xcb, 0x08, 0x2f, 0xe3, 0x98, 0x76, 0x37, 0x80, 0x04, 0x5c, 0xb8, 0xb0, 0x7f, 0xb2, 0xda, 0xe3, 0xa3, 0xba, 0xed, 0xff, 0xf5, 0x9d, 0x3b, 0x7b, 0xf3, 0x32, 0x6c, 0x50, 0xa5, 0x3e, 0xcc, 0xe1, 0x84, 0x9c, 0x17, 0x9e, 0x80, 0x64, 0x09, 0xbb, 0x62, 0xf1, 0x95, 0xf5, 0x2c, 0xc6, 0x9f, 0x6a, 0xee, 0x6d, 0x17, 0x35, 0x5f, 0x35, 0x8d, 0x55, 0x0c, 0x07 }; rand_add_zeroes(r); rand_run_kat(tc, apr_random_secure_bytes, r, expected); } #if APR_HAS_FORK static void rand_fork(abts_case *tc, void *data) { apr_proc_t proc; apr_status_t rv; unsigned char expected[128] = { 0xac, 0x93, 0xd2, 0x5c, 0xc7, 0xf5, 0x8d, 0xc2, 0xd8, 0x8d, 0xb6, 0x7a, 0x94, 0xe1, 0x83, 0x4c, 0x26, 0xe2, 0x38, 0x6d, 0xf5, 0xbd, 0x9d, 0x6e, 0x91, 0x77, 0x3a, 0x4b, 0x9b, 0xef, 0x9b, 0xa3, 0x9f, 0xf6, 0x6d, 0x0c, 0xdc, 0x4b, 0x02, 0xe9, 0x5d, 0x3d, 0xfc, 0x92, 0x6b, 0xdf, 0xc9, 0xef, 0xb9, 0xa8, 0x74, 0x09, 0xa3, 0xff, 0x64, 0x8d, 0x19, 0xc1, 0x31, 0x31, 0x17, 0xe1, 0xb7, 0x7a, 0xe7, 0x55, 0x14, 0x92, 0x05, 0xe3, 0x1e, 0xb8, 0x9b, 0x1b, 0xdc, 0xac, 0x0e, 0x15, 0x08, 0xa2, 0x93, 0x13, 0xf6, 0x04, 0xc6, 0x9d, 0xf8, 0x7f, 0x26, 0x32, 0x68, 0x43, 0x2e, 0x5a, 0x4f, 0x47, 0xe8, 0xf8, 0x59, 0xb7, 0xfb, 0xbe, 0x30, 0x04, 0xb6, 0x63, 0x6f, 0x19, 0xf3, 0x2c, 0xd4, 0xeb, 0x32, 0x8a, 0x54, 0x01, 0xd0, 0xaf, 0x3f, 0x13, 0xc1, 0x7f, 0x10, 0x2e, 0x08, 0x1c, 0x28, 0x4b, }; rv = apr_proc_fork(&proc, p); if (rv == APR_INCHILD) { int n = rand_check_kat(apr_random_secure_bytes, r, expected); exit(n); } else if (rv == APR_INPARENT) { int exitcode; apr_exit_why_e why; rand_run_kat(tc, apr_random_secure_bytes, r, expected); apr_proc_wait(&proc, &exitcode, &why, APR_WAIT); if (why != APR_PROC_EXIT) { ABTS_FAIL(tc, "Child terminated abnormally"); } else if (exitcode == 0) { ABTS_FAIL(tc, "Child produced our randomness"); } else if (exitcode == 2) { ABTS_FAIL(tc, "Child randomness failed"); } else if (exitcode != 1) { ABTS_FAIL(tc, "Uknown child error"); } } else { ABTS_FAIL(tc, "Fork failed"); } } #endif static void rand_exists(abts_case *tc, void *data) { #if !APR_HAS_RANDOM ABTS_NOT_IMPL(tc, "apr_generate_random_bytes"); #else unsigned char c[42]; /* There must be a better way to test random-ness, but I don't know * what it is right now. */ APR_ASSERT_SUCCESS(tc, "apr_generate_random_bytes failed", apr_generate_random_bytes(c, sizeof c)); #endif } abts_suite *testrand(abts_suite *suite) { suite = ADD_SUITE(suite) abts_run_test(suite, rand_exists, NULL); abts_run_test(suite, rand_seed_short, NULL); abts_run_test(suite, rand_kat, NULL); abts_run_test(suite, rand_seed_short2, NULL); abts_run_test(suite, rand_kat2, NULL); abts_run_test(suite, rand_barrier, NULL); abts_run_test(suite, rand_kat3, NULL); abts_run_test(suite, rand_kat4, NULL); #if APR_HAS_FORK abts_run_test(suite, rand_fork, NULL); #endif return suite; }
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