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mbedtls/programs/test/selftest.c
Gilles Peskine 1b6c09a62e Switch to the new code style 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-01-11 14:52:35 +01:00

464 lines
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/*
* Self-test demonstration program
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed 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.
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "mbedtls/entropy.h"
#include "mbedtls/entropy_poll.h"
#include "mbedtls/hmac_drbg.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/dhm.h"
#include "mbedtls/gcm.h"
#include "mbedtls/ccm.h"
#include "mbedtls/cmac.h"
#include "mbedtls/md2.h"
#include "mbedtls/md4.h"
#include "mbedtls/md5.h"
#include "mbedtls/ripemd160.h"
#include "mbedtls/sha1.h"
#include "mbedtls/sha256.h"
#include "mbedtls/sha512.h"
#include "mbedtls/arc4.h"
#include "mbedtls/des.h"
#include "mbedtls/aes.h"
#include "mbedtls/camellia.h"
#include "mbedtls/aria.h"
#include "mbedtls/chacha20.h"
#include "mbedtls/poly1305.h"
#include "mbedtls/chachapoly.h"
#include "mbedtls/base64.h"
#include "mbedtls/bignum.h"
#include "mbedtls/rsa.h"
#include "mbedtls/x509.h"
#include "mbedtls/xtea.h"
#include "mbedtls/pkcs5.h"
#include "mbedtls/ecp.h"
#include "mbedtls/ecjpake.h"
#include "mbedtls/timing.h"
#include "mbedtls/nist_kw.h"
#include <string.h>
#include "mbedtls/platform.h"
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
#include "mbedtls/memory_buffer_alloc.h"
#endif
#if defined MBEDTLS_SELF_TEST
/* Sanity check for malloc. This is not expected to fail, and is rather
* intended to display potentially useful information about the platform,
* in particular the behavior of malloc(0). */
static int calloc_self_test(int verbose)
{
int failures = 0;
void *empty1 = mbedtls_calloc(0, 1);
void *empty2 = mbedtls_calloc(0, 1);
void *buffer1 = mbedtls_calloc(1, 1);
void *buffer2 = mbedtls_calloc(1, 1);
if (empty1 == NULL && empty2 == NULL) {
if (verbose) {
mbedtls_printf(" CALLOC(0): passed (NULL)\n");
}
} else if (empty1 == NULL || empty2 == NULL) {
if (verbose) {
mbedtls_printf(" CALLOC(0): failed (mix of NULL and non-NULL)\n");
}
++failures;
} else if (empty1 == empty2) {
if (verbose) {
mbedtls_printf(" CALLOC(0): passed (same non-null)\n");
}
} else {
if (verbose) {
mbedtls_printf(" CALLOC(0): passed (distinct non-null)\n");
}
}
if (buffer1 == NULL || buffer2 == NULL) {
if (verbose) {
mbedtls_printf(" CALLOC(1): failed (NULL)\n");
}
++failures;
} else if (buffer1 == buffer2) {
if (verbose) {
mbedtls_printf(" CALLOC(1): failed (same buffer twice)\n");
}
++failures;
} else {
if (verbose) {
mbedtls_printf(" CALLOC(1): passed\n");
}
}
mbedtls_free(buffer1);
buffer1 = mbedtls_calloc(1, 1);
if (buffer1 == NULL) {
if (verbose) {
mbedtls_printf(" CALLOC(1 again): failed (NULL)\n");
}
++failures;
} else {
if (verbose) {
mbedtls_printf(" CALLOC(1 again): passed\n");
}
}
if (verbose) {
mbedtls_printf("\n");
}
mbedtls_free(empty1);
mbedtls_free(empty2);
mbedtls_free(buffer1);
mbedtls_free(buffer2);
return failures;
}
#endif /* MBEDTLS_SELF_TEST */
static int test_snprintf(size_t n, const char *ref_buf, int ref_ret)
{
int ret;
char buf[10] = "xxxxxxxxx";
const char ref[10] = "xxxxxxxxx";
ret = mbedtls_snprintf(buf, n, "%s", "123");
if (ret < 0 || (size_t) ret >= n) {
ret = -1;
}
if (strncmp(ref_buf, buf, sizeof(buf)) != 0 ||
ref_ret != ret ||
memcmp(buf + n, ref + n, sizeof(buf) - n) != 0) {
return 1;
}
return 0;
}
static int run_test_snprintf(void)
{
return test_snprintf(0, "xxxxxxxxx", -1) != 0 ||
test_snprintf(1, "", -1) != 0 ||
test_snprintf(2, "1", -1) != 0 ||
test_snprintf(3, "12", -1) != 0 ||
test_snprintf(4, "123", 3) != 0 ||
test_snprintf(5, "123", 3) != 0;
}
/*
* Check if a seed file is present, and if not create one for the entropy
* self-test. If this fails, we attempt the test anyway, so no error is passed
* back.
*/
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_ENTROPY_C)
#if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
static void create_entropy_seed_file(void)
{
int result;
size_t output_len = 0;
unsigned char seed_value[MBEDTLS_ENTROPY_BLOCK_SIZE];
/* Attempt to read the entropy seed file. If this fails - attempt to write
* to the file to ensure one is present. */
result = mbedtls_platform_std_nv_seed_read(seed_value,
MBEDTLS_ENTROPY_BLOCK_SIZE);
if (0 == result) {
return;
}
result = mbedtls_platform_entropy_poll(NULL,
seed_value,
MBEDTLS_ENTROPY_BLOCK_SIZE,
&output_len);
if (0 != result) {
return;
}
if (MBEDTLS_ENTROPY_BLOCK_SIZE != output_len) {
return;
}
mbedtls_platform_std_nv_seed_write(seed_value, MBEDTLS_ENTROPY_BLOCK_SIZE);
}
#endif
int mbedtls_entropy_self_test_wrapper(int verbose)
{
#if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
create_entropy_seed_file();
#endif
return mbedtls_entropy_self_test(verbose);
}
#endif
#if defined(MBEDTLS_SELF_TEST)
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
int mbedtls_memory_buffer_alloc_free_and_self_test(int verbose)
{
if (verbose != 0) {
#if defined(MBEDTLS_MEMORY_DEBUG)
mbedtls_memory_buffer_alloc_status();
#endif
}
mbedtls_memory_buffer_alloc_free();
return mbedtls_memory_buffer_alloc_self_test(verbose);
}
#endif
typedef struct {
const char *name;
int (*function)(int);
} selftest_t;
const selftest_t selftests[] =
{
{ "calloc", calloc_self_test },
#if defined(MBEDTLS_MD2_C)
{ "md2", mbedtls_md2_self_test },
#endif
#if defined(MBEDTLS_MD4_C)
{ "md4", mbedtls_md4_self_test },
#endif
#if defined(MBEDTLS_MD5_C)
{ "md5", mbedtls_md5_self_test },
#endif
#if defined(MBEDTLS_RIPEMD160_C)
{ "ripemd160", mbedtls_ripemd160_self_test },
#endif
#if defined(MBEDTLS_SHA1_C)
{ "sha1", mbedtls_sha1_self_test },
#endif
#if defined(MBEDTLS_SHA256_C)
{ "sha256", mbedtls_sha256_self_test },
#endif
#if defined(MBEDTLS_SHA512_C)
{ "sha512", mbedtls_sha512_self_test },
#endif
#if defined(MBEDTLS_ARC4_C)
{ "arc4", mbedtls_arc4_self_test },
#endif
#if defined(MBEDTLS_DES_C)
{ "des", mbedtls_des_self_test },
#endif
#if defined(MBEDTLS_AES_C)
{ "aes", mbedtls_aes_self_test },
#endif
#if defined(MBEDTLS_GCM_C) && defined(MBEDTLS_AES_C)
{ "gcm", mbedtls_gcm_self_test },
#endif
#if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_AES_C)
{ "ccm", mbedtls_ccm_self_test },
#endif
#if defined(MBEDTLS_NIST_KW_C) && defined(MBEDTLS_AES_C)
{ "nist_kw", mbedtls_nist_kw_self_test },
#endif
#if defined(MBEDTLS_CMAC_C)
{ "cmac", mbedtls_cmac_self_test },
#endif
#if defined(MBEDTLS_CHACHA20_C)
{ "chacha20", mbedtls_chacha20_self_test },
#endif
#if defined(MBEDTLS_POLY1305_C)
{ "poly1305", mbedtls_poly1305_self_test },
#endif
#if defined(MBEDTLS_CHACHAPOLY_C)
{ "chacha20-poly1305", mbedtls_chachapoly_self_test },
#endif
#if defined(MBEDTLS_BASE64_C)
{ "base64", mbedtls_base64_self_test },
#endif
#if defined(MBEDTLS_BIGNUM_C)
{ "mpi", mbedtls_mpi_self_test },
#endif
#if defined(MBEDTLS_RSA_C)
{ "rsa", mbedtls_rsa_self_test },
#endif
#if defined(MBEDTLS_X509_USE_C)
{ "x509", mbedtls_x509_self_test },
#endif
#if defined(MBEDTLS_XTEA_C)
{ "xtea", mbedtls_xtea_self_test },
#endif
#if defined(MBEDTLS_CAMELLIA_C)
{ "camellia", mbedtls_camellia_self_test },
#endif
#if defined(MBEDTLS_ARIA_C)
{ "aria", mbedtls_aria_self_test },
#endif
#if defined(MBEDTLS_CTR_DRBG_C)
{ "ctr_drbg", mbedtls_ctr_drbg_self_test },
#endif
#if defined(MBEDTLS_HMAC_DRBG_C)
{ "hmac_drbg", mbedtls_hmac_drbg_self_test },
#endif
#if defined(MBEDTLS_ECP_C)
{ "ecp", mbedtls_ecp_self_test },
#endif
#if defined(MBEDTLS_ECJPAKE_C)
{ "ecjpake", mbedtls_ecjpake_self_test },
#endif
#if defined(MBEDTLS_DHM_C)
{ "dhm", mbedtls_dhm_self_test },
#endif
#if defined(MBEDTLS_ENTROPY_C)
{ "entropy", mbedtls_entropy_self_test_wrapper },
#endif
#if defined(MBEDTLS_PKCS5_C)
{ "pkcs5", mbedtls_pkcs5_self_test },
#endif
/* Slower test after the faster ones */
#if defined(MBEDTLS_TIMING_C)
{ "timing", mbedtls_timing_self_test },
#endif
/* Heap test comes last */
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
{ "memory_buffer_alloc", mbedtls_memory_buffer_alloc_free_and_self_test },
#endif
{ NULL, NULL }
};
#endif /* MBEDTLS_SELF_TEST */
int main(int argc, char *argv[])
{
#if defined(MBEDTLS_SELF_TEST)
const selftest_t *test;
#endif /* MBEDTLS_SELF_TEST */
char **argp;
int v = 1; /* v=1 for verbose mode */
int exclude_mode = 0;
int suites_tested = 0, suites_failed = 0;
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_SELF_TEST)
unsigned char buf[1000000];
#endif
void *pointer;
/*
* The C standard doesn't guarantee that all-bits-0 is the representation
* of a NULL pointer. We do however use that in our code for initializing
* structures, which should work on every modern platform. Let's be sure.
*/
memset(&pointer, 0, sizeof(void *));
if (pointer != NULL) {
mbedtls_printf("all-bits-zero is not a NULL pointer\n");
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
/*
* Make sure we have a snprintf that correctly zero-terminates
*/
if (run_test_snprintf() != 0) {
mbedtls_printf("the snprintf implementation is broken\n");
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
for (argp = argv + (argc >= 1 ? 1 : argc); *argp != NULL; ++argp) {
if (strcmp(*argp, "--quiet") == 0 ||
strcmp(*argp, "-q") == 0) {
v = 0;
} else if (strcmp(*argp, "--exclude") == 0 ||
strcmp(*argp, "-x") == 0) {
exclude_mode = 1;
} else {
break;
}
}
if (v != 0) {
mbedtls_printf("\n");
}
#if defined(MBEDTLS_SELF_TEST)
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
mbedtls_memory_buffer_alloc_init(buf, sizeof(buf));
#endif
if (*argp != NULL && exclude_mode == 0) {
/* Run the specified tests */
for (; *argp != NULL; argp++) {
for (test = selftests; test->name != NULL; test++) {
if (!strcmp(*argp, test->name)) {
if (test->function(v) != 0) {
suites_failed++;
}
suites_tested++;
break;
}
}
if (test->name == NULL) {
mbedtls_printf(" Test suite %s not available -> failed\n\n", *argp);
suites_failed++;
}
}
} else {
/* Run all the tests except excluded ones */
for (test = selftests; test->name != NULL; test++) {
if (exclude_mode) {
char **excluded;
for (excluded = argp; *excluded != NULL; ++excluded) {
if (!strcmp(*excluded, test->name)) {
break;
}
}
if (*excluded) {
if (v) {
mbedtls_printf(" Skip: %s\n", test->name);
}
continue;
}
}
if (test->function(v) != 0) {
suites_failed++;
}
suites_tested++;
}
}
#else
(void) exclude_mode;
mbedtls_printf(" MBEDTLS_SELF_TEST not defined.\n");
#endif
if (v != 0) {
mbedtls_printf(" Executed %d test suites\n\n", suites_tested);
if (suites_failed > 0) {
mbedtls_printf(" [ %d tests FAIL ]\n\n", suites_failed);
} else {
mbedtls_printf(" [ All tests PASS ]\n\n");
}
#if defined(_WIN32)
mbedtls_printf(" Press Enter to exit this program.\n");
fflush(stdout); getchar();
#endif
}
if (suites_failed > 0) {
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
mbedtls_exit(MBEDTLS_EXIT_SUCCESS);
}
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