mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
20f8bc7255
Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/13568)
283 lines
7.4 KiB
C
283 lines
7.4 KiB
C
/*
|
|
* Copyright 2016-2020 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 <string.h>
|
|
#include "helpers/ssltestlib.h"
|
|
#include "testutil.h"
|
|
|
|
static int docorrupt = 0;
|
|
|
|
static void copy_flags(BIO *bio)
|
|
{
|
|
int flags;
|
|
BIO *next = BIO_next(bio);
|
|
|
|
flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
|
|
BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
|
|
BIO_set_flags(bio, flags);
|
|
}
|
|
|
|
static int tls_corrupt_read(BIO *bio, char *out, int outl)
|
|
{
|
|
int ret;
|
|
BIO *next = BIO_next(bio);
|
|
|
|
ret = BIO_read(next, out, outl);
|
|
copy_flags(bio);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tls_corrupt_write(BIO *bio, const char *in, int inl)
|
|
{
|
|
int ret;
|
|
BIO *next = BIO_next(bio);
|
|
char *copy;
|
|
|
|
if (docorrupt) {
|
|
if (!TEST_ptr(copy = OPENSSL_memdup(in, inl)))
|
|
return 0;
|
|
/* corrupt last bit of application data */
|
|
copy[inl-1] ^= 1;
|
|
ret = BIO_write(next, copy, inl);
|
|
OPENSSL_free(copy);
|
|
} else {
|
|
ret = BIO_write(next, in, inl);
|
|
}
|
|
copy_flags(bio);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static long tls_corrupt_ctrl(BIO *bio, int cmd, long num, void *ptr)
|
|
{
|
|
long ret;
|
|
BIO *next = BIO_next(bio);
|
|
|
|
if (next == NULL)
|
|
return 0;
|
|
|
|
switch (cmd) {
|
|
case BIO_CTRL_DUP:
|
|
ret = 0L;
|
|
break;
|
|
default:
|
|
ret = BIO_ctrl(next, cmd, num, ptr);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int tls_corrupt_gets(BIO *bio, char *buf, int size)
|
|
{
|
|
/* We don't support this - not needed anyway */
|
|
return -1;
|
|
}
|
|
|
|
static int tls_corrupt_puts(BIO *bio, const char *str)
|
|
{
|
|
/* We don't support this - not needed anyway */
|
|
return -1;
|
|
}
|
|
|
|
static int tls_corrupt_new(BIO *bio)
|
|
{
|
|
BIO_set_init(bio, 1);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int tls_corrupt_free(BIO *bio)
|
|
{
|
|
BIO_set_init(bio, 0);
|
|
|
|
return 1;
|
|
}
|
|
|
|
#define BIO_TYPE_CUSTOM_FILTER (0x80 | BIO_TYPE_FILTER)
|
|
|
|
static BIO_METHOD *method_tls_corrupt = NULL;
|
|
|
|
/* Note: Not thread safe! */
|
|
static const BIO_METHOD *bio_f_tls_corrupt_filter(void)
|
|
{
|
|
if (method_tls_corrupt == NULL) {
|
|
method_tls_corrupt = BIO_meth_new(BIO_TYPE_CUSTOM_FILTER,
|
|
"TLS corrupt filter");
|
|
if ( method_tls_corrupt == NULL
|
|
|| !BIO_meth_set_write(method_tls_corrupt, tls_corrupt_write)
|
|
|| !BIO_meth_set_read(method_tls_corrupt, tls_corrupt_read)
|
|
|| !BIO_meth_set_puts(method_tls_corrupt, tls_corrupt_puts)
|
|
|| !BIO_meth_set_gets(method_tls_corrupt, tls_corrupt_gets)
|
|
|| !BIO_meth_set_ctrl(method_tls_corrupt, tls_corrupt_ctrl)
|
|
|| !BIO_meth_set_create(method_tls_corrupt, tls_corrupt_new)
|
|
|| !BIO_meth_set_destroy(method_tls_corrupt, tls_corrupt_free))
|
|
return NULL;
|
|
}
|
|
return method_tls_corrupt;
|
|
}
|
|
|
|
static void bio_f_tls_corrupt_filter_free(void)
|
|
{
|
|
BIO_meth_free(method_tls_corrupt);
|
|
}
|
|
|
|
/*
|
|
* The test is supposed to be executed with RSA key, customarily
|
|
* with apps/server.pem used even in other tests. For this reason
|
|
* |cipher_list| is initialized with RSA ciphers' names. This
|
|
* naturally means that if test is to be re-purposed for other
|
|
* type of key, then NID_auth_* filter below would need adjustment.
|
|
*/
|
|
static const char **cipher_list = NULL;
|
|
|
|
static int setup_cipher_list(void)
|
|
{
|
|
SSL_CTX *ctx = NULL;
|
|
SSL *ssl = NULL;
|
|
STACK_OF(SSL_CIPHER) *sk_ciphers = NULL;
|
|
int i, j, numciphers = 0;
|
|
|
|
if (!TEST_ptr(ctx = SSL_CTX_new(TLS_server_method()))
|
|
|| !TEST_ptr(ssl = SSL_new(ctx))
|
|
|| !TEST_ptr(sk_ciphers = SSL_get1_supported_ciphers(ssl)))
|
|
goto err;
|
|
|
|
/*
|
|
* The |cipher_list| will be filled only with names of RSA ciphers,
|
|
* so that some of the allocated space will be wasted, but the loss
|
|
* is deemed acceptable...
|
|
*/
|
|
cipher_list = OPENSSL_malloc(sk_SSL_CIPHER_num(sk_ciphers) *
|
|
sizeof(cipher_list[0]));
|
|
if (!TEST_ptr(cipher_list))
|
|
goto err;
|
|
|
|
for (j = 0, i = 0; i < sk_SSL_CIPHER_num(sk_ciphers); i++) {
|
|
const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(sk_ciphers, i);
|
|
|
|
if (SSL_CIPHER_get_auth_nid(cipher) == NID_auth_rsa)
|
|
cipher_list[j++] = SSL_CIPHER_get_name(cipher);
|
|
}
|
|
if (TEST_int_ne(j, 0))
|
|
numciphers = j;
|
|
|
|
err:
|
|
sk_SSL_CIPHER_free(sk_ciphers);
|
|
SSL_free(ssl);
|
|
SSL_CTX_free(ctx);
|
|
|
|
return numciphers;
|
|
}
|
|
|
|
static char *cert = NULL;
|
|
static char *privkey = NULL;
|
|
|
|
static int test_ssl_corrupt(int testidx)
|
|
{
|
|
static unsigned char junk[16000] = { 0 };
|
|
SSL_CTX *sctx = NULL, *cctx = NULL;
|
|
SSL *server = NULL, *client = NULL;
|
|
BIO *c_to_s_fbio;
|
|
int testresult = 0;
|
|
STACK_OF(SSL_CIPHER) *ciphers;
|
|
const SSL_CIPHER *currcipher;
|
|
int err;
|
|
|
|
docorrupt = 0;
|
|
|
|
ERR_clear_error();
|
|
|
|
TEST_info("Starting #%d, %s", testidx, cipher_list[testidx]);
|
|
|
|
if (!TEST_true(create_ssl_ctx_pair(NULL, TLS_server_method(),
|
|
TLS_client_method(),
|
|
TLS1_VERSION, 0,
|
|
&sctx, &cctx, cert, privkey)))
|
|
return 0;
|
|
|
|
if (!TEST_true(SSL_CTX_set_dh_auto(sctx, 1))
|
|
|| !TEST_true(SSL_CTX_set_cipher_list(cctx, cipher_list[testidx]))
|
|
|| !TEST_true(SSL_CTX_set_ciphersuites(cctx, ""))
|
|
|| !TEST_ptr(ciphers = SSL_CTX_get_ciphers(cctx))
|
|
|| !TEST_int_eq(sk_SSL_CIPHER_num(ciphers), 1)
|
|
|| !TEST_ptr(currcipher = sk_SSL_CIPHER_value(ciphers, 0)))
|
|
goto end;
|
|
|
|
/*
|
|
* No ciphers we are using are TLSv1.3 compatible so we should not attempt
|
|
* to negotiate TLSv1.3
|
|
*/
|
|
if (!TEST_true(SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION)))
|
|
goto end;
|
|
|
|
if (!TEST_ptr(c_to_s_fbio = BIO_new(bio_f_tls_corrupt_filter())))
|
|
goto end;
|
|
|
|
/* BIO is freed by create_ssl_connection on error */
|
|
if (!TEST_true(create_ssl_objects(sctx, cctx, &server, &client, NULL,
|
|
c_to_s_fbio)))
|
|
goto end;
|
|
|
|
if (!TEST_true(create_ssl_connection(server, client, SSL_ERROR_NONE)))
|
|
goto end;
|
|
|
|
docorrupt = 1;
|
|
|
|
if (!TEST_int_ge(SSL_write(client, junk, sizeof(junk)), 0))
|
|
goto end;
|
|
|
|
if (!TEST_int_lt(SSL_read(server, junk, sizeof(junk)), 0))
|
|
goto end;
|
|
|
|
do {
|
|
err = ERR_get_error();
|
|
|
|
if (err == 0) {
|
|
TEST_error("Decryption failed or bad record MAC not seen");
|
|
goto end;
|
|
}
|
|
} while (ERR_GET_REASON(err) != SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
|
|
|
|
testresult = 1;
|
|
end:
|
|
SSL_free(server);
|
|
SSL_free(client);
|
|
SSL_CTX_free(sctx);
|
|
SSL_CTX_free(cctx);
|
|
return testresult;
|
|
}
|
|
|
|
OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
|
|
|
|
int setup_tests(void)
|
|
{
|
|
int n;
|
|
|
|
if (!test_skip_common_options()) {
|
|
TEST_error("Error parsing test options\n");
|
|
return 0;
|
|
}
|
|
|
|
if (!TEST_ptr(cert = test_get_argument(0))
|
|
|| !TEST_ptr(privkey = test_get_argument(1)))
|
|
return 0;
|
|
|
|
n = setup_cipher_list();
|
|
if (n > 0)
|
|
ADD_ALL_TESTS(test_ssl_corrupt, n);
|
|
return 1;
|
|
}
|
|
|
|
void cleanup_tests(void)
|
|
{
|
|
bio_f_tls_corrupt_filter_free();
|
|
OPENSSL_free(cipher_list);
|
|
}
|