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/*
* Copyright 2016 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 <openssl/opensslconf.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include "ssltestlib.h"
#include "testutil.h"
static char *cert = NULL;
static char *privkey = NULL;
static int test_tlsext_status_type(void)
{
SSL_CTX *ctx = NULL;
SSL *con = NULL;
int testresult = 0;
/* Test tlsext_status_type */
ctx = SSL_CTX_new(TLS_method());
if (SSL_CTX_get_tlsext_status_type(ctx) != -1) {
printf("Unexpected initial value for "
"SSL_CTX_get_tlsext_status_type()\n");
goto end;
}
con = SSL_new(ctx);
if (SSL_get_tlsext_status_type(con) != -1) {
printf("Unexpected initial value for SSL_get_tlsext_status_type()\n");
goto end;
}
if (!SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp)) {
printf("Unexpected fail for SSL_set_tlsext_status_type()\n");
goto end;
}
if (SSL_get_tlsext_status_type(con) != TLSEXT_STATUSTYPE_ocsp) {
printf("Unexpected result for SSL_get_tlsext_status_type()\n");
goto end;
}
SSL_free(con);
con = NULL;
if (!SSL_CTX_set_tlsext_status_type(ctx, TLSEXT_STATUSTYPE_ocsp)) {
printf("Unexpected fail for SSL_CTX_set_tlsext_status_type()\n");
goto end;
}
if (SSL_CTX_get_tlsext_status_type(ctx) != TLSEXT_STATUSTYPE_ocsp) {
printf("Unexpected result for SSL_CTX_get_tlsext_status_type()\n");
goto end;
}
con = SSL_new(ctx);
if (SSL_get_tlsext_status_type(con) != TLSEXT_STATUSTYPE_ocsp) {
printf("Unexpected result for SSL_get_tlsext_status_type() (test 2)\n");
goto end;
}
testresult = 1;
end:
SSL_free(con);
SSL_CTX_free(ctx);
return testresult;
}
typedef struct ssl_session_test_fixture {
const char *test_case_name;
int use_ext_cache;
int use_int_cache;
} SSL_SESSION_TEST_FIXTURE;
static int new_called = 0, remove_called = 0;
static SSL_SESSION_TEST_FIXTURE
ssl_session_set_up(const char *const test_case_name)
{
SSL_SESSION_TEST_FIXTURE fixture;
fixture.test_case_name = test_case_name;
fixture.use_ext_cache = 1;
fixture.use_int_cache = 1;
new_called = remove_called = 0;
return fixture;
}
static void ssl_session_tear_down(SSL_SESSION_TEST_FIXTURE fixture)
{
}
static int new_session_cb(SSL *ssl, SSL_SESSION *sess)
{
new_called++;
return 1;
}
static void remove_session_cb(SSL_CTX *ctx, SSL_SESSION *sess)
{
remove_called++;
}
static int execute_test_session(SSL_SESSION_TEST_FIXTURE fix)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
SSL *serverssl1 = NULL, *clientssl1 = NULL;
SSL *serverssl2 = NULL, *clientssl2 = NULL;
#ifndef OPENSSL_NO_TLS1_1
SSL *serverssl3 = NULL, *clientssl3 = NULL;
#endif
SSL_SESSION *sess1 = NULL, *sess2 = NULL;
int testresult = 0;
if (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx,
&cctx, cert, privkey)) {
printf("Unable to create SSL_CTX pair\n");
return 0;
}
#ifndef OPENSSL_NO_TLS1_2
/* Only allow TLS1.2 so we can force a connection failure later */
SSL_CTX_set_min_proto_version(cctx, TLS1_2_VERSION);
#endif
/* Set up session cache */
if (fix.use_ext_cache) {
SSL_CTX_sess_set_new_cb(cctx, new_session_cb);
SSL_CTX_sess_set_remove_cb(cctx, remove_session_cb);
}
if (fix.use_int_cache) {
/* Also covers instance where both are set */
SSL_CTX_set_session_cache_mode(cctx, SSL_SESS_CACHE_CLIENT);
} else {
SSL_CTX_set_session_cache_mode(cctx,
SSL_SESS_CACHE_CLIENT
| SSL_SESS_CACHE_NO_INTERNAL_STORE);
}
if (!create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL,
NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
if (!create_ssl_connection(serverssl1, clientssl1)) {
printf("Unable to create SSL connection\n");
goto end;
}
sess1 = SSL_get1_session(clientssl1);
if (sess1 == NULL) {
printf("Unexpected NULL session\n");
goto end;
}
if (fix.use_int_cache && SSL_CTX_add_session(cctx, sess1)) {
/* Should have failed because it should already be in the cache */
printf("Unexpected success adding session to cache\n");
goto end;
}
if (fix.use_ext_cache && (new_called != 1 || remove_called != 0)) {
printf("Session not added to cache\n");
goto end;
}
if (!create_ssl_objects(sctx, cctx, &serverssl2, &clientssl2, NULL, NULL)) {
printf("Unable to create second SSL objects\n");
goto end;
}
if (!create_ssl_connection(serverssl2, clientssl2)) {
printf("Unable to create second SSL connection\n");
goto end;
}
sess2 = SSL_get1_session(clientssl2);
if (sess2 == NULL) {
printf("Unexpected NULL session from clientssl2\n");
goto end;
}
if (fix.use_ext_cache && (new_called != 2 || remove_called != 0)) {
printf("Remove session callback unexpectedly called\n");
goto end;
}
/*
* This should clear sess2 from the cache because it is a "bad" session. See
* SSL_set_session() documentation.
*/
if (!SSL_set_session(clientssl2, sess1)) {
printf("Unexpected failure setting session\n");
goto end;
}
if (fix.use_ext_cache && (new_called != 2 || remove_called != 1)) {
printf("Failed to call callback to remove session\n");
goto end;
}
if (SSL_get_session(clientssl2) != sess1) {
printf("Unexpected session found\n");
goto end;
}
if (fix.use_int_cache) {
if (!SSL_CTX_add_session(cctx, sess2)) {
/*
* Should have succeeded because it should not already be in the cache
*/
printf("Unexpected failure adding session to cache\n");
goto end;
}
if (!SSL_CTX_remove_session(cctx, sess2)) {
printf("Unexpected failure removing session from cache\n");
goto end;
}
/* This is for the purposes of internal cache testing...ignore the
* counter for external cache
*/
if (fix.use_ext_cache)
remove_called--;
}
/* This shouldn't be in the cache so should fail */
if (SSL_CTX_remove_session(cctx, sess2)) {
printf("Unexpected success removing session from cache\n");
goto end;
}
if (fix.use_ext_cache && (new_called != 2 || remove_called != 2)) {
printf("Failed to call callback to remove session #2\n");
goto end;
}
#if !defined(OPENSSL_NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_2)
/* Force a connection failure */
SSL_CTX_set_max_proto_version(sctx, TLS1_1_VERSION);
if (!create_ssl_objects(sctx, cctx, &serverssl3, &clientssl3, NULL, NULL)) {
printf("Unable to create third SSL objects\n");
goto end;
}
if (!SSL_set_session(clientssl3, sess1)) {
printf("Unable to set session for third connection\n");
goto end;
}
/* This should fail because of the mismatched protocol versions */
if (create_ssl_connection(serverssl3, clientssl3)) {
printf("Unable to create third SSL connection\n");
goto end;
}
/* We should have automatically removed the session from the cache */
if (fix.use_ext_cache && (new_called != 2 || remove_called != 3)) {
printf("Failed to call callback to remove session #2\n");
goto end;
}
if (fix.use_int_cache && !SSL_CTX_add_session(cctx, sess2)) {
/*
* Should have succeeded because it should not already be in the cache
*/
printf("Unexpected failure adding session to cache #2\n");
goto end;
}
#endif
testresult = 1;
end:
SSL_free(serverssl1);
SSL_free(clientssl1);
SSL_free(serverssl2);
SSL_free(clientssl2);
#ifndef OPENSSL_NO_TLS1_1
SSL_free(serverssl3);
SSL_free(clientssl3);
#endif
SSL_SESSION_free(sess1);
SSL_SESSION_free(sess2);
/*
* Check if we need to remove any sessions up-refed for the external cache
*/
if (new_called >= 1)
SSL_SESSION_free(sess1);
if (new_called >= 2)
SSL_SESSION_free(sess2);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static int test_session_with_only_int_cache(void)
{
SETUP_TEST_FIXTURE(SSL_SESSION_TEST_FIXTURE, ssl_session_set_up);
fixture.use_ext_cache = 0;
EXECUTE_TEST(execute_test_session, ssl_session_tear_down);
}
static int test_session_with_only_ext_cache(void)
{
SETUP_TEST_FIXTURE(SSL_SESSION_TEST_FIXTURE, ssl_session_set_up);
fixture.use_int_cache = 0;
EXECUTE_TEST(execute_test_session, ssl_session_tear_down);
}
static int test_session_with_both_cache(void)
{
SETUP_TEST_FIXTURE(SSL_SESSION_TEST_FIXTURE, ssl_session_set_up);
EXECUTE_TEST(execute_test_session, ssl_session_tear_down);
}
#define USE_NULL 0
#define USE_BIO_1 1
#define USE_BIO_2 2
#define TOTAL_SSL_SET_BIO_TESTS (3 * 3 * 3 * 3)
static void setupbio(BIO **res, BIO *bio1, BIO *bio2, int type)
{
switch (type) {
case USE_NULL:
*res = NULL;
break;
case USE_BIO_1:
*res = bio1;
break;
case USE_BIO_2:
*res = bio2;
break;
}
}
static int test_ssl_set_bio(int idx)
{
SSL_CTX *ctx = SSL_CTX_new(TLS_method());
BIO *bio1 = NULL;
BIO *bio2 = NULL;
BIO *irbio = NULL, *iwbio = NULL, *nrbio = NULL, *nwbio = NULL;
SSL *ssl = NULL;
int initrbio, initwbio, newrbio, newwbio;
int testresult = 0;
if (ctx == NULL) {
printf("Failed to allocate SSL_CTX\n");
goto end;
}
ssl = SSL_new(ctx);
if (ssl == NULL) {
printf("Failed to allocate SSL object\n");
goto end;
}
initrbio = idx % 3;
idx /= 3;
initwbio = idx % 3;
idx /= 3;
newrbio = idx % 3;
idx /= 3;
newwbio = idx;
OPENSSL_assert(newwbio <= 2);
if (initrbio == USE_BIO_1 || initwbio == USE_BIO_1 || newrbio == USE_BIO_1
|| newwbio == USE_BIO_1) {
bio1 = BIO_new(BIO_s_mem());
if (bio1 == NULL) {
printf("Failed to allocate bio1\n");
goto end;
}
}
if (initrbio == USE_BIO_2 || initwbio == USE_BIO_2 || newrbio == USE_BIO_2
|| newwbio == USE_BIO_2) {
bio2 = BIO_new(BIO_s_mem());
if (bio2 == NULL) {
printf("Failed to allocate bio2\n");
goto end;
}
}
setupbio(&irbio, bio1, bio2, initrbio);
setupbio(&iwbio, bio1, bio2, initwbio);
/*
* We want to maintain our own refs to these BIO, so do an up ref for each
* BIO that will have ownersip transferred in the SSL_set_bio() call
*/
if (irbio != NULL)
BIO_up_ref(irbio);
if (iwbio != NULL && iwbio != irbio)
BIO_up_ref(iwbio);
SSL_set_bio(ssl, irbio, iwbio);
setupbio(&nrbio, bio1, bio2, newrbio);
setupbio(&nwbio, bio1, bio2, newwbio);
/*
* We will (maybe) transfer ownership again so do more up refs.
* SSL_set_bio() has some really complicated ownership rules where BIOs have
* already been set!
*/
if (nrbio != NULL && nrbio != irbio && (nwbio != iwbio || nrbio != nwbio))
BIO_up_ref(nrbio);
if (nwbio != NULL && nwbio != nrbio && (nwbio != iwbio || (nwbio == iwbio && irbio == iwbio)))
BIO_up_ref(nwbio);
SSL_set_bio(ssl, nrbio, nwbio);
testresult = 1;
end:
SSL_free(ssl);
BIO_free(bio1);
BIO_free(bio2);
/*
* This test is checking that the ref counting for SSL_set_bio is correct.
* If we get here and we did too many frees then we will fail in the above
* functions. If we haven't done enough then this will only be detected in
* a crypto-mdebug build
*/
SSL_CTX_free(ctx);
return testresult;
}
typedef struct ssl_bio_test_fixture {
const char *test_case_name;
int pop_ssl;
enum { NO_BIO_CHANGE, CHANGE_RBIO, CHANGE_WBIO } change_bio;
} SSL_BIO_TEST_FIXTURE;
static SSL_BIO_TEST_FIXTURE ssl_bio_set_up(const char *const test_case_name)
{
SSL_BIO_TEST_FIXTURE fixture;
fixture.test_case_name = test_case_name;
fixture.pop_ssl = 0;
fixture.change_bio = NO_BIO_CHANGE;
return fixture;
}
static void ssl_bio_tear_down(SSL_BIO_TEST_FIXTURE fixture)
{
}
static int execute_test_ssl_bio(SSL_BIO_TEST_FIXTURE fix)
{
BIO *sslbio = NULL, *membio1 = NULL, *membio2 = NULL;
SSL_CTX *ctx = SSL_CTX_new(TLS_method());
SSL *ssl = NULL;
int testresult = 0;
if (ctx == NULL) {
printf("Failed to allocate SSL_CTX\n");
return 0;
}
ssl = SSL_new(ctx);
if (ssl == NULL) {
printf("Failed to allocate SSL object\n");
goto end;
}
sslbio = BIO_new(BIO_f_ssl());
membio1 = BIO_new(BIO_s_mem());
if (sslbio == NULL || membio1 == NULL) {
printf("Malloc failure creating BIOs\n");
goto end;
}
BIO_set_ssl(sslbio, ssl, BIO_CLOSE);
/*
* If anything goes wrong here then we could leak memory, so this will
* be caught in a crypto-mdebug build
*/
BIO_push(sslbio, membio1);
/* Verify chaning the rbio/wbio directly does not cause leaks */
if (fix.change_bio != NO_BIO_CHANGE) {
membio2 = BIO_new(BIO_s_mem());
if (membio2 == NULL) {
printf("Malloc failure creating membio2\n");
goto end;
}
if (fix.change_bio == CHANGE_RBIO)
SSL_set0_rbio(ssl, membio2);
else
SSL_set0_wbio(ssl, membio2);
}
ssl = NULL;
if (fix.pop_ssl)
BIO_pop(sslbio);
else
BIO_pop(membio1);
testresult = 1;
end:
BIO_free(membio1);
BIO_free(sslbio);
SSL_free(ssl);
SSL_CTX_free(ctx);
return testresult;
}
static int test_ssl_bio_pop_next_bio(void)
{
SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up);
EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down);
}
static int test_ssl_bio_pop_ssl_bio(void)
{
SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up);
fixture.pop_ssl = 1;
EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down);
}
static int test_ssl_bio_change_rbio(void)
{
SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up);
fixture.change_bio = CHANGE_RBIO;
EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down);
}
static int test_ssl_bio_change_wbio(void)
{
SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up);
fixture.change_bio = CHANGE_WBIO;
EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down);
}
int main(int argc, char *argv[])
{
BIO *err = NULL;
int testresult = 1;
if (argc != 3) {
printf("Invalid argument count\n");
return 1;
}
cert = argv[1];
privkey = argv[2];
err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
ADD_TEST(test_tlsext_status_type);
ADD_TEST(test_session_with_only_int_cache);
ADD_TEST(test_session_with_only_ext_cache);
ADD_TEST(test_session_with_both_cache);
ADD_ALL_TESTS(test_ssl_set_bio, TOTAL_SSL_SET_BIO_TESTS);
ADD_TEST(test_ssl_bio_pop_next_bio);
ADD_TEST(test_ssl_bio_pop_ssl_bio);
ADD_TEST(test_ssl_bio_change_rbio);
ADD_TEST(test_ssl_bio_change_wbio);
testresult = run_tests(argv[0]);
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks(err) <= 0)
testresult = 1;
#endif
BIO_free(err);
if (!testresult)
printf("PASS\n");
return testresult;
}
|