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Diffstat (limited to 'test/testrand.c')
| -rw-r--r-- | test/testrand.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/test/testrand.c b/test/testrand.c new file mode 100644 index 0000000..46c55d2 --- /dev/null +++ b/test/testrand.c @@ -0,0 +1,359 @@ +/* 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; +} |