| /* 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_pools.h" |
| #include "apr_random.h" |
| #include "apr_thread_proc.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "testutil.h" |
| |
| #define RANDOM_BUF_SZ 128 |
| |
| static void hexdump(const char *msg, const unsigned char *b, int n) |
| { |
| int i; |
| |
| printf("\n%s", msg); |
| 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[RANDOM_BUF_SZ]) |
| { |
| unsigned char c[RANDOM_BUF_SZ]; |
| apr_status_t rv; |
| |
| rv = f(r, c, RANDOM_BUF_SZ); |
| ABTS_INT_EQUAL(tc, 0, rv); |
| if (rv) |
| return; |
| if (memcmp(c, expected, RANDOM_BUF_SZ)) { |
| hexdump("Generated: ", c, RANDOM_BUF_SZ); |
| hexdump("Expected: ", expected, RANDOM_BUF_SZ); |
| ABTS_FAIL(tc, "Randomness mismatch"); |
| } |
| } |
| |
| #if APR_HAS_FORK |
| static int rand_check_kat(rnd_fn *f, apr_random_t *r, |
| const unsigned char expected[RANDOM_BUF_SZ], |
| apr_file_t *readp, apr_file_t *writep) |
| { |
| apr_size_t nbytes = RANDOM_BUF_SZ; |
| apr_size_t cmd_size = 1; |
| unsigned char c[RANDOM_BUF_SZ]; |
| char ack; |
| apr_status_t rv; |
| |
| rv = f(r, c, RANDOM_BUF_SZ); |
| if (rv) |
| return 2; |
| rv = 0; |
| if (memcmp(c, expected, RANDOM_BUF_SZ)) { |
| rv = 1; |
| } else { |
| hexdump("Generated: ", c, RANDOM_BUF_SZ); |
| hexdump("Previous: ", expected, RANDOM_BUF_SZ); |
| } |
| /* Report back our random values for comparison in another child */ |
| apr_file_write(writep, c, &nbytes); |
| /* Wait for our parent ack the data */ |
| apr_file_read(readp, &ack, &cmd_size); |
| return rv; |
| } |
| #endif |
| |
| 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[RANDOM_BUF_SZ] = { |
| 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[RANDOM_BUF_SZ] = { |
| 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[RANDOM_BUF_SZ] = { |
| 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[RANDOM_BUF_SZ] = { |
| 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; |
| apr_size_t nbytes = RANDOM_BUF_SZ; |
| apr_size_t cmd_size = 1; |
| char cmd = 'X'; |
| unsigned char expected[RANDOM_BUF_SZ] = { |
| 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, |
| }; |
| |
| apr_file_t *readdatap = NULL; |
| apr_file_t *writedatap = NULL; |
| apr_file_t *readcmdp = NULL; |
| apr_file_t *writecmdp = NULL; |
| apr_pool_t *p; |
| int i; |
| |
| apr_pool_create(&p, NULL); |
| /* Set up data pipe for children */ |
| rv = apr_file_pipe_create(&readdatap, &writedatap, p); |
| ABTS_INT_EQUAL(tc, APR_SUCCESS, rv); |
| ABTS_PTR_NOTNULL(tc, readdatap); |
| ABTS_PTR_NOTNULL(tc, writedatap); |
| /* Set up cmd pipe for children */ |
| rv = apr_file_pipe_create(&readcmdp, &writecmdp, p); |
| ABTS_INT_EQUAL(tc, APR_SUCCESS, rv); |
| ABTS_PTR_NOTNULL(tc, readcmdp); |
| ABTS_PTR_NOTNULL(tc, writecmdp); |
| |
| rand_run_kat(tc, apr_random_secure_bytes, r, expected); |
| |
| for (i = 0; i< 10; i++) |
| { |
| rv = apr_proc_fork(&proc, p); |
| if (rv == APR_INCHILD) { |
| int n = rand_check_kat(apr_random_secure_bytes, r, expected, readcmdp, writedatap); |
| exit(n); |
| } |
| else if (rv == APR_INPARENT) { |
| int exitcode; |
| apr_exit_why_e why; |
| |
| /* Read the random data generated by child */ |
| rv = apr_file_read(readdatap, expected, &nbytes); |
| ABTS_INT_EQUAL(tc, APR_SUCCESS, rv); |
| /* Tell child to finish */ |
| rv = apr_file_write(writecmdp, &cmd, &cmd_size); |
| ABTS_INT_EQUAL(tc, APR_SUCCESS, rv); |
| apr_proc_wait(&proc, &exitcode, &why, APR_WAIT); |
| if (why != APR_PROC_EXIT) { |
| ABTS_FAIL(tc, "Child terminated abnormally"); |
| } |
| else if (exitcode == 0) { |
| if (i == 0) |
| { |
| ABTS_FAIL(tc, "Child produced our randomness"); |
| } else |
| { |
| ABTS_FAIL(tc, "Child produced randomness of previous child"); |
| } |
| } |
| else if (exitcode == 2) { |
| ABTS_FAIL(tc, "Child randomness failed"); |
| } |
| else if (exitcode != 1) { |
| ABTS_FAIL(tc, "Unknown 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; |
| } |
