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/*
* Copyright 2016-2021 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 <stdlib.h>
#include <string.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include "testutil.h"
#ifdef _WIN32
# include <direct.h>
# define DIRSEP "/\\"
# ifndef __BORLANDC__
# define chdir _chdir
# endif
# define DIRSEP_PRESERVE 0
#elif !defined(OPENSSL_NO_POSIX_IO)
# include <unistd.h>
# ifndef OPENSSL_SYS_VMS
# define DIRSEP "/"
# define DIRSEP_PRESERVE 0
# else
# define DIRSEP "/]:"
# define DIRSEP_PRESERVE 1
# endif
#else
/* the test does not work without chdir() */
# define chdir(x) (-1);
# define DIRSEP "/"
# define DIRSEP_PRESERVE 0
#endif
/* changes path to that of the filename */
static int change_path(const char *file)
{
char *s = OPENSSL_strdup(file);
char *p = s;
char *last = NULL;
int ret = 0;
if (s == NULL)
return -1;
while ((p = strpbrk(p, DIRSEP)) != NULL) {
last = p++;
}
if (last == NULL)
goto err;
last[DIRSEP_PRESERVE] = 0;
TEST_note("changing path to %s", s);
ret = chdir(s);
err:
OPENSSL_free(s);
return ret;
}
/*
* This test program checks the operation of the .include directive.
*/
static CONF *conf;
static BIO *in;
static int expect_failure = 0;
static int test_load_config(void)
{
long errline;
long val;
char *str;
long err;
if (!TEST_int_gt(NCONF_load_bio(conf, in, &errline), 0)
|| !TEST_int_eq(err = ERR_peek_error(), 0)) {
if (expect_failure)
return 1;
TEST_note("Failure loading the configuration at line %ld", errline);
return 0;
}
if (expect_failure) {
TEST_note("Failure expected but did not happen");
return 0;
}
if (!TEST_int_gt(CONF_modules_load(conf, NULL, 0), 0)) {
TEST_note("Failed in CONF_modules_load");
return 0;
}
/* verify whether CA_default/default_days is set */
val = 0;
if (!TEST_int_eq(NCONF_get_number(conf, "CA_default", "default_days", &val), 1)
|| !TEST_int_eq(val, 365)) {
TEST_note("default_days incorrect");
return 0;
}
/* verify whether req/default_bits is set */
val = 0;
if (!TEST_int_eq(NCONF_get_number(conf, "req", "default_bits", &val), 1)
|| !TEST_int_eq(val, 2048)) {
TEST_note("default_bits incorrect");
return 0;
}
/* verify whether countryName_default is set correctly */
str = NCONF_get_string(conf, "req_distinguished_name", "countryName_default");
if (!TEST_ptr(str) || !TEST_str_eq(str, "AU")) {
TEST_note("countryName_default incorrect");
return 0;
}
return 1;
}
static int test_check_null_numbers(void)
{
#if defined(_BSD_SOURCE) \
|| (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) \
|| (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600)
long val = 0;
/* Verify that a NULL config with a present environment variable returns
* success and the value.
*/
if (!TEST_int_eq(setenv("FNORD", "123", 1), 0)
|| !TEST_true(NCONF_get_number(NULL, "missing", "FNORD", &val))
|| !TEST_long_eq(val, 123)) {
TEST_note("environment variable with NULL conf failed");
return 0;
}
/*
* Verify that a NULL config with a missing environment variable returns
* a failure code.
*/
if (!TEST_int_eq(unsetenv("FNORD"), 0)
|| !TEST_false(NCONF_get_number(NULL, "missing", "FNORD", &val))) {
TEST_note("missing environment variable with NULL conf failed");
return 0;
}
#endif
return 1;
}
static int test_check_overflow(void)
{
#if defined(_BSD_SOURCE) \
|| (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) \
|| (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600)
long val = 0;
char max[(sizeof(long) * 8) / 3 + 3];
char *p;
p = max + sprintf(max, "0%ld", LONG_MAX) - 1;
setenv("FNORD", max, 1);
if (!TEST_true(NCONF_get_number(NULL, "missing", "FNORD", &val))
|| !TEST_long_eq(val, LONG_MAX))
return 0;
while (++*p > '9')
*p-- = '0';
setenv("FNORD", max, 1);
if (!TEST_false(NCONF_get_number(NULL, "missing", "FNORD", &val)))
return 0;
#endif
return 1;
}
typedef enum OPTION_choice {
OPT_ERR = -1,
OPT_EOF = 0,
OPT_FAIL,
OPT_TEST_ENUM
} OPTION_CHOICE;
const OPTIONS *test_get_options(void)
{
static const OPTIONS test_options[] = {
OPT_TEST_OPTIONS_WITH_EXTRA_USAGE("conf_file\n"),
{ "f", OPT_FAIL, '-', "A failure is expected" },
{ NULL }
};
return test_options;
}
int setup_tests(void)
{
const char *conf_file;
OPTION_CHOICE o;
if (!TEST_ptr(conf = NCONF_new(NULL)))
return 0;
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_FAIL:
expect_failure = 1;
break;
case OPT_TEST_CASES:
break;
default:
return 0;
}
}
conf_file = test_get_argument(0);
if (!TEST_ptr(conf_file)
|| !TEST_ptr(in = BIO_new_file(conf_file, "r"))) {
TEST_note("Unable to open the file argument");
return 0;
}
/*
* For this test we need to chdir as we use relative
* path names in the config files.
*/
change_path(conf_file);
ADD_TEST(test_load_config);
ADD_TEST(test_check_null_numbers);
ADD_TEST(test_check_overflow);
return 1;
}
void cleanup_tests(void)
{
BIO_vfree(in);
NCONF_free(conf);
CONF_modules_unload(1);
}
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