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/*
* Copyright 2016-2017 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
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "../testutil.h"
#include "output.h"
#include "tu_local.h"
#include <string.h>
#include <assert.h>
#include "internal/nelem.h"
#include <openssl/bio.h>
#ifdef _WIN32
# define strdup _strdup
#endif
/*
* Declares the structures needed to register each test case function.
*/
typedef struct test_info {
const char *test_case_name;
int (*test_fn) ();
int (*param_test_fn)(int idx);
int num;
/* flags */
int subtest:1;
} TEST_INFO;
static TEST_INFO all_tests[1024];
static int num_tests = 0;
static int seed = 0;
/*
* A parameterised tests runs a loop of test cases.
* |num_test_cases| counts the total number of test cases
* across all tests.
*/
static int num_test_cases = 0;
void add_test(const char *test_case_name, int (*test_fn) (void))
{
assert(num_tests != OSSL_NELEM(all_tests));
all_tests[num_tests].test_case_name = test_case_name;
all_tests[num_tests].test_fn = test_fn;
all_tests[num_tests].num = -1;
++num_tests;
++num_test_cases;
}
void add_all_tests(const char *test_case_name, int(*test_fn)(int idx),
int num, int subtest)
{
assert(num_tests != OSSL_NELEM(all_tests));
all_tests[num_tests].test_case_name = test_case_name;
all_tests[num_tests].param_test_fn = test_fn;
all_tests[num_tests].num = num;
all_tests[num_tests].subtest = subtest;
++num_tests;
num_test_cases += num;
}
static int level = 0;
int subtest_level(void)
{
return level;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
static int should_report_leaks()
{
/*
* When compiled with enable-crypto-mdebug, OPENSSL_DEBUG_MEMORY=0
* can be used to disable leak checking at runtime.
* Note this only works when running the test binary manually;
* the test harness always enables OPENSSL_DEBUG_MEMORY.
*/
char *mem_debug_env = getenv("OPENSSL_DEBUG_MEMORY");
return mem_debug_env == NULL
|| (strcmp(mem_debug_env, "0") && strcmp(mem_debug_env, ""));
}
#endif
static int gcd(int a, int b)
{
while (b != 0) {
int t = b;
b = a % b;
a = t;
}
return a;
}
void setup_test_framework()
{
char *TAP_levels = getenv("HARNESS_OSSL_LEVEL");
char *test_seed = getenv("OPENSSL_TEST_RAND_ORDER");
level = TAP_levels != NULL ? 4 * atoi(TAP_levels) : 0;
if (test_seed != NULL) {
seed = atoi(test_seed);
if (seed <= 0)
seed = (int)time(NULL);
test_printf_stdout("%*s# RAND SEED %d\n", subtest_level(), "", seed);
test_flush_stdout();
srand(seed);
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (should_report_leaks()) {
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
}
#endif
}
int pulldown_test_framework(int ret)
{
set_test_title(NULL);
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (should_report_leaks()
&& CRYPTO_mem_leaks_cb(openssl_error_cb, NULL) <= 0)
return EXIT_FAILURE;
#endif
return ret;
}
static void finalize(int success)
{
if (success)
ERR_clear_error();
else
ERR_print_errors_cb(openssl_error_cb, NULL);
}
static char *test_title = NULL;
void set_test_title(const char *title)
{
free(test_title);
test_title = title == NULL ? NULL : strdup(title);
}
PRINTF_FORMAT(2, 3) static void test_verdict(int pass, const char *extra, ...)
{
va_list ap;
test_flush_stdout();
test_flush_stderr();
test_printf_stdout("%*s%s", level, "", pass ? "ok" : "not ok");
if (extra != NULL) {
test_printf_stdout(" ");
va_start(ap, extra);
test_vprintf_stdout(extra, ap);
va_end(ap);
}
test_printf_stdout("\n");
test_flush_stdout();
}
int run_tests(const char *test_prog_name)
{
int num_failed = 0;
int verdict = 1;
int ii, i, jj, j, jstep;
int permute[OSSL_NELEM(all_tests)];
if (num_tests < 1) {
test_printf_stdout("%*s1..0 # Skipped: %s\n", level, "",
test_prog_name);
} else {
if (level > 0)
test_printf_stdout("%*s# Subtest: %s\n", level, "", test_prog_name);
test_printf_stdout("%*s1..%d\n", level, "", num_tests);
}
test_flush_stdout();
for (i = 0; i < num_tests; i++)
permute[i] = i;
if (seed != 0)
for (i = num_tests - 1; i >= 1; i--) {
j = rand() % (1 + i);
ii = permute[j];
permute[j] = permute[i];
permute[i] = ii;
}
for (ii = 0; ii != num_tests; ++ii) {
i = permute[ii];
if (all_tests[i].num == -1) {
int ret = 0;
set_test_title(all_tests[i].test_case_name);
ret = all_tests[i].test_fn();
verdict = 1;
if (!ret) {
verdict = 0;
++num_failed;
}
test_verdict(verdict, "%d - %s", ii + 1, test_title);
finalize(ret);
} else {
int num_failed_inner = 0;
level += 4;
if (all_tests[i].subtest) {
test_printf_stdout("%*s# Subtest: %s\n", level, "",
all_tests[i].test_case_name);
test_printf_stdout("%*s%d..%d\n", level, "", 1,
all_tests[i].num);
test_flush_stdout();
}
j = -1;
if (seed == 0 || all_tests[i].num < 3)
jstep = 1;
else
do
jstep = rand() % all_tests[i].num;
while (jstep == 0 || gcd(all_tests[i].num, jstep) != 1);
for (jj = 0; jj < all_tests[i].num; jj++) {
int ret;
j = (j + jstep) % all_tests[i].num;
set_test_title(NULL);
ret = all_tests[i].param_test_fn(j);
if (!ret)
++num_failed_inner;
finalize(ret);
if (all_tests[i].subtest) {
verdict = 1;
if (!ret) {
verdict = 0;
++num_failed_inner;
}
if (test_title != NULL)
test_verdict(verdict, "%d - %s", jj + 1, test_title);
else
test_verdict(verdict, "%d - iteration %d",
jj + 1, j + 1);
}
}
level -= 4;
verdict = 1;
if (num_failed_inner) {
verdict = 0;
++num_failed;
}
test_verdict(verdict, "%d - %s", ii + 1,
all_tests[i].test_case_name);
}
}
if (num_failed != 0)
return EXIT_FAILURE;
return EXIT_SUCCESS;
}
/*
* Glue an array of strings together and return it as an allocated string.
* Optionally return the whole length of this string in |out_len|
*/
char *glue_strings(const char *list[], size_t *out_len)
{
size_t len = 0;
char *p, *ret;
int i;
for (i = 0; list[i] != NULL; i++)
len += strlen(list[i]);
if (out_len != NULL)
*out_len = len;
if (!TEST_ptr(ret = p = OPENSSL_malloc(len + 1)))
return NULL;
for (i = 0; list[i] != NULL; i++)
p += strlen(strcpy(p, list[i]));
return ret;
}
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