Imported OpenSSL 1.1.1d

test/testutil/driver.c

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -112,7 +112,7 @@ void setup_test_framework()
             seed = (int)time(NULL);
         test_printf_stdout("%*s# RAND SEED %d\n", subtest_level(), "", seed);
         test_flush_stdout();
-        srand(seed);
+        test_random_seed(seed);
     }
 
 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
@@ -190,7 +190,7 @@ int run_tests(const char *test_prog_name)
         permute[i] = i;
     if (seed != 0)
         for (i = num_tests - 1; i >= 1; i--) {
-            j = rand() % (1 + i);
+            j = test_random() % (1 + i);
             ii = permute[j];
             permute[j] = permute[i];
             permute[i] = ii;
@@ -228,7 +228,7 @@ int run_tests(const char *test_prog_name)
                 jstep = 1;
             else
                 do
-                    jstep = rand() % all_tests[i].num;
+                    jstep = test_random() % all_tests[i].num;
                 while (jstep == 0 || gcd(all_tests[i].num, jstep) != 1);
 
             for (jj = 0; jj < all_tests[i].num; jj++) {
@@ -297,3 +297,21 @@ char *glue_strings(const char *list[], size_t *out_len)
     return ret;
 }
 
+char *test_mk_file_path(const char *dir, const char *file)
+{
+# ifndef OPENSSL_SYS_VMS
+    const char *sep = "/";
+# else
+    const char *sep = "";
+# endif
+    size_t len = strlen(dir) + strlen(sep) + strlen(file) + 1;
+    char *full_file = OPENSSL_zalloc(len);
+
+    if (full_file != NULL) {
+        OPENSSL_strlcpy(full_file, dir, len);
+        OPENSSL_strlcat(full_file, sep, len);
+        OPENSSL_strlcat(full_file, file, len);
+    }
+
+    return full_file;
+}

test/testutil/random.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "../testutil.h"
+
+/*
+ * This is an implementation of the algorithm used by the GNU C library's
+ * random(3) pseudorandom number generator as described:
+ *      https://www.mscs.dal.ca/~selinger/random/
+ */
+static uint32_t test_random_state[31];
+
+uint32_t test_random(void) {
+    static unsigned int pos = 3;
+
+    if (pos == 31)
+        pos = 0;
+    test_random_state[pos] += test_random_state[(pos + 28) % 31];
+    return test_random_state[pos++] / 2;
+}
+
+void test_random_seed(uint32_t sd) {
+    int i;
+    int32_t s;
+    const unsigned int mod = (1u << 31) - 1;
+
+    test_random_state[0] = sd;
+    for (i = 1; i < 31; i++) {
+        s = (int32_t)test_random_state[i - 1];
+        test_random_state[i] = (uint32_t)((16807 * (int64_t)s) % mod);
+    }
+    for (i = 34; i < 344; i++)
+        test_random();
+}