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-rw-r--r--test/testrand.c359
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diff --git a/test/testrand.c b/test/testrand.c
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+/* 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;
+}