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openssl/test/sslapitest.c
Cory Benfield f1a5939f17 Test logging TLSv1.3 secrets. 
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2287)
2017-02-02 09:34:00 +00:00

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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 <string.h>
#include <openssl/opensslconf.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include <openssl/ocsp.h>
#include "ssltestlib.h"
#include "testutil.h"
#include "test_main_custom.h"
#include "e_os.h"
static char *cert = NULL;
static char *privkey = NULL;
#define LOG_BUFFER_SIZE 1024
static char server_log_buffer[LOG_BUFFER_SIZE + 1] = {0};
static int server_log_buffer_index = 0;
static char client_log_buffer[LOG_BUFFER_SIZE + 1] = {0};
static int client_log_buffer_index = 0;
static int error_writing_log = 0;
#ifndef OPENSSL_NO_OCSP
static const unsigned char orespder[] = "Dummy OCSP Response";
static int ocsp_server_called = 0;
static int ocsp_client_called = 0;
static int cdummyarg = 1;
static X509 *ocspcert = NULL;
#endif
#define NUM_EXTRA_CERTS 40
/*
* This structure is used to validate that the correct number of log messages
* of various types are emitted when emitting secret logs.
*/
struct sslapitest_log_counts {
unsigned int rsa_key_exchange_count;
unsigned int master_secret_count;
unsigned int client_handshake_secret_count;
unsigned int server_handshake_secret_count;
unsigned int client_application_secret_count;
unsigned int server_application_secret_count;
};
static void client_keylog_callback(const SSL *ssl, const char *line) {
int line_length = strlen(line);
/* If the log doesn't fit, error out. */
if ((client_log_buffer_index + line_length) > LOG_BUFFER_SIZE) {
printf("No room in client log\n");
error_writing_log = 1;
return;
}
strcat(client_log_buffer, line);
client_log_buffer_index += line_length;
client_log_buffer[client_log_buffer_index] = '\n';
client_log_buffer_index += 1;
return;
}
static void server_keylog_callback(const SSL *ssl, const char *line) {
int line_length = strlen(line);
/* If the log doesn't fit, error out. */
if ((server_log_buffer_index + line_length) > LOG_BUFFER_SIZE) {
printf("No room in server log\n");
error_writing_log = 1;
return;
}
strcat(server_log_buffer, line);
server_log_buffer_index += line_length;
server_log_buffer[server_log_buffer_index] = '\n';
server_log_buffer_index += 1;
return;
}
static int compare_hex_encoded_buffer(const char *hex_encoded,
size_t hex_length,
const uint8_t *raw,
size_t raw_length) {
size_t i;
size_t j;
/* One byte too big, just to be safe. */
char hexed[3] = {0};
if ((raw_length * 2) != hex_length) {
printf("Inconsistent hex encoded lengths.\n");
return 1;
}
for (i = j = 0; (i < raw_length) && ((j + 1) < hex_length); i++) {
sprintf(hexed, "%02x", raw[i]);
if ((hexed[0] != hex_encoded[j]) || (hexed[1] != hex_encoded[j + 1])) {
printf("Hex output does not match.\n");
return 1;
}
j += 2;
}
return 0;
}
static int test_keylog_output(char *buffer, const SSL *ssl,
const SSL_SESSION *session,
struct sslapitest_log_counts *expected) {
char *token = NULL;
unsigned char actual_client_random[SSL3_RANDOM_SIZE] = {0};
size_t client_random_size = SSL3_RANDOM_SIZE;
unsigned char actual_master_key[SSL_MAX_MASTER_KEY_LENGTH] = {0};
size_t master_key_size = SSL_MAX_MASTER_KEY_LENGTH;
unsigned int rsa_key_exchange_count = 0;
unsigned int master_secret_count = 0;
unsigned int client_handshake_secret_count = 0;
unsigned int server_handshake_secret_count = 0;
unsigned int client_application_secret_count = 0;
unsigned int server_application_secret_count = 0;
token = strtok(buffer, " \n");
while (token) {
if (strcmp(token, "RSA") == 0) {
/*
* Premaster secret. Tokens should be: 16 ASCII bytes of
* hex-encoded encrypted secret, then the hex-encoded pre-master
* secret.
*/
token = strtok(NULL, " \n");
if (!token) {
printf("Unexpectedly short premaster secret log.\n");
return 0;
}
if (strlen(token) != 16) {
printf("Bad value for encrypted secret: %s\n", token);
return 0;
}
token = strtok(NULL, " \n");
if (!token) {
printf("Unexpectedly short premaster secret log.\n");
return 0;
}
/*
* We can't sensibly check the log because the premaster secret is
* transient, and OpenSSL doesn't keep hold of it once the master
* secret is generated.
*/
rsa_key_exchange_count++;
} else if (strcmp(token, "CLIENT_RANDOM") == 0) {
/*
* Master secret. Tokens should be: 64 ASCII bytes of hex-encoded
* client random, then the hex-encoded master secret.
*/
client_random_size = SSL_get_client_random(ssl,
actual_client_random,
SSL3_RANDOM_SIZE);
if (client_random_size != SSL3_RANDOM_SIZE) {
printf("Unexpected short client random.\n");
return 0;
}
token = strtok(NULL, " \n");
if (!token) {
printf("Unexpected short master secret log.\n");
return 0;
}
if (strlen(token) != 64) {
printf("Bad value for client random: %s\n", token);
return 0;
}
if (compare_hex_encoded_buffer(token, 64, actual_client_random,
client_random_size)) {
printf("Bad value for client random: %s\n", token);
return 0;
}
token = strtok(NULL, " \n");
if (!token) {
printf("Unexpectedly short master secret log.\n");
return 0;
}
master_key_size = SSL_SESSION_get_master_key(session,
actual_master_key,
master_key_size);
if (!master_key_size) {
printf("Error getting master key to compare.\n");
return 0;
}
if (compare_hex_encoded_buffer(token, strlen(token),
actual_master_key,
master_key_size)) {
printf("Bad value for master key: %s\n", token);
return 0;
}
master_secret_count++;
} else if ((strcmp(token, "CLIENT_HANDSHAKE_TRAFFIC_SECRET") == 0) ||
(strcmp(token, "SERVER_HANDSHAKE_TRAFFIC_SECRET") == 0) ||
(strcmp(token, "CLIENT_TRAFFIC_SECRET_0") == 0) ||
(strcmp(token, "SERVER_TRAFFIC_SECRET_0") == 0)) {
/*
* TLSv1.3 secret. Tokens should be: 64 ASCII bytes of hex-encoded
* client random, and then the hex-encoded secret. In this case,
* we treat all of these secrets identically and then just
* distinguish between them when counting what we saw.
*/
if (strcmp(token, "CLIENT_HANDSHAKE_TRAFFIC_SECRET") == 0)
client_handshake_secret_count++;
else if (strcmp(token, "SERVER_HANDSHAKE_TRAFFIC_SECRET") == 0)
server_handshake_secret_count++;
else if (strcmp(token, "CLIENT_TRAFFIC_SECRET_0") == 0)
client_application_secret_count++;
else if (strcmp(token, "SERVER_TRAFFIC_SECRET_0") == 0)
server_application_secret_count++;
client_random_size = SSL_get_client_random(ssl,
actual_client_random,
SSL3_RANDOM_SIZE);
if (client_random_size != SSL3_RANDOM_SIZE) {
printf("Unexpected short client random.\n");
return 0;
}
token = strtok(NULL, " \n");
if (!token) {
printf("Unexpected short client handshake secret log.\n");
return 0;
}
if (strlen(token) != 64) {
printf("Bad value for client random: %s\n", token);
return 0;
}
if (compare_hex_encoded_buffer(token, 64, actual_client_random,
client_random_size)) {
printf("Bad value for client random: %s\n", token);
return 0;
}
token = strtok(NULL, " \n");
if (!token) {
printf("Unexpectedly short master secret log.\n");
return 0;
}
/*
* TODO(TLS1.3): test that application traffic secrets are what
* we expect */
} else {
printf("Unexpected token in buffer: %s\n", token);
return 0;
}
token = strtok(NULL, " \n");
}
/* Return whether we got what we expected. */
return ((rsa_key_exchange_count == expected->rsa_key_exchange_count) &&
(master_secret_count == expected->master_secret_count) &&
(client_handshake_secret_count == expected->client_handshake_secret_count) &&
(server_handshake_secret_count == expected->server_handshake_secret_count) &&
(client_application_secret_count == expected->client_application_secret_count) &&
(server_application_secret_count == expected->server_application_secret_count));
}
static int test_keylog(void) {
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
int rc;
struct sslapitest_log_counts expected = {0};
/* Clean up logging space */
memset(client_log_buffer, 0, LOG_BUFFER_SIZE + 1);
memset(server_log_buffer, 0, LOG_BUFFER_SIZE + 1);
client_log_buffer_index = 0;
server_log_buffer_index = 0;
error_writing_log = 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;
}
/* We cannot log the master secret for TLSv1.3, so we should forbid it. */
SSL_CTX_set_options(cctx, SSL_OP_NO_TLSv1_3);
SSL_CTX_set_options(sctx, SSL_OP_NO_TLSv1_3);
/* We also want to ensure that we use RSA-based key exchange. */
rc = SSL_CTX_set_cipher_list(cctx, "RSA");
if (rc == 0) {
printf("Unable to restrict to RSA key exchange.\n");
goto end;
}
if (SSL_CTX_get_keylog_callback(cctx)) {
printf("Unexpected initial value for client "
"SSL_CTX_get_keylog_callback()\n");
goto end;
}
if (SSL_CTX_get_keylog_callback(sctx)) {
printf("Unexpected initial value for server "
"SSL_CTX_get_keylog_callback()\n");
goto end;
}
SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);
SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);
if (SSL_CTX_get_keylog_callback(cctx) != client_keylog_callback) {
printf("Unexpected set value for client "
"SSL_CTX_get_keylog_callback()\n");
}
if (SSL_CTX_get_keylog_callback(sctx) != server_keylog_callback) {
printf("Unexpected set value for server "
"SSL_CTX_get_keylog_callback()\n");
}
/* Now do a handshake and check that the logs have been written to. */
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
if (!create_ssl_connection(serverssl, clientssl)) {
printf("Unable to create SSL connection\n");
goto end;
}
if (error_writing_log) {
printf("Error encountered while logging\n");
goto end;
}
if ((client_log_buffer_index == 0) || (server_log_buffer_index == 0)) {
printf("No logs written\n");
goto end;
}
/*
* Now we want to test that our output data was vaguely sensible. We
* do that by using strtok and confirming that we have more or less the
* data we expect. For both client and server, we expect to see one master
* secret. The client should also see a RSA key exchange.
*/
expected.rsa_key_exchange_count = 1;
expected.master_secret_count = 1;
if (!test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected)) {
printf("Error encountered in client log buffer\n");
goto end;
}
expected.rsa_key_exchange_count = 0;
if (!test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl), &expected)) {
printf("Error encountered in server log buffer\n");
goto end;
}
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#ifndef OPENSSL_NO_TLS1_3
static int test_keylog_no_master_key(void) {
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
struct sslapitest_log_counts expected = {0};
/* Clean up logging space */
memset(client_log_buffer, 0, LOG_BUFFER_SIZE + 1);
memset(server_log_buffer, 0, LOG_BUFFER_SIZE + 1);
client_log_buffer_index = 0;
server_log_buffer_index = 0;
error_writing_log = 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;
}
if (SSL_CTX_get_keylog_callback(cctx)) {
printf("Unexpected initial value for client "
"SSL_CTX_get_keylog_callback()\n");
goto end;
}
if (SSL_CTX_get_keylog_callback(sctx)) {
printf("Unexpected initial value for server "
"SSL_CTX_get_keylog_callback()\n");
goto end;
}
SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);
SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);
if (SSL_CTX_get_keylog_callback(cctx) != client_keylog_callback) {
printf("Unexpected set value for client "
"SSL_CTX_get_keylog_callback()\n");
}
if (SSL_CTX_get_keylog_callback(sctx) != server_keylog_callback) {
printf("Unexpected set value for server "
"SSL_CTX_get_keylog_callback()\n");
}
/* Now do a handshake and check that the logs have been written to. */
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
if (!create_ssl_connection(serverssl, clientssl)) {
printf("Unable to create SSL connection\n");
goto end;
}
if (error_writing_log) {
printf("Error encountered while logging\n");
goto end;
}
/*
* Now we want to test that our output data was vaguely sensible. For this
* test, we expect no CLIENT_RANDOM entry becuase it doesn't make sense for
* TLSv1.3, but we do expect both client and server to emit keys.
*/
expected.client_handshake_secret_count = 1;
expected.server_handshake_secret_count = 1;
expected.client_application_secret_count = 1;
expected.server_application_secret_count = 1;
if (!test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected)) {
printf("Error encountered in client log buffer\n");
goto end;
}
if (!test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl), &expected)) {
printf("Error encountered in server log buffer\n");
goto end;
}
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
static int execute_test_large_message(const SSL_METHOD *smeth,
const SSL_METHOD *cmeth, int read_ahead)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
int i;
BIO *certbio = BIO_new_file(cert, "r");
X509 *chaincert = NULL;
int certlen;
if (certbio == NULL) {
printf("Can't load the certficate file\n");
goto end;
}
chaincert = PEM_read_bio_X509(certbio, NULL, NULL, NULL);
BIO_free(certbio);
certbio = NULL;
if (chaincert == NULL) {
printf("Unable to load certificate for chain\n");
goto end;
}
if (!create_ssl_ctx_pair(smeth, cmeth, &sctx,
&cctx, cert, privkey)) {
printf("Unable to create SSL_CTX pair\n");
goto end;
}
if(read_ahead) {
/*
* Test that read_ahead works correctly when dealing with large
* records
*/
SSL_CTX_set_read_ahead(cctx, 1);
}
/*
* We assume the supplied certificate is big enough so that if we add
* NUM_EXTRA_CERTS it will make the overall message large enough. The
* default buffer size is requested to be 16k, but due to the way BUF_MEM
* works, it ends up allocing a little over 21k (16 * 4/3). So, in this test
* we need to have a message larger than that.
*/
certlen = i2d_X509(chaincert, NULL);
OPENSSL_assert((certlen * NUM_EXTRA_CERTS)
> ((SSL3_RT_MAX_PLAIN_LENGTH * 4) / 3));
for (i = 0; i < NUM_EXTRA_CERTS; i++) {
if (!X509_up_ref(chaincert)) {
printf("Unable to up ref cert\n");
goto end;
}
if (!SSL_CTX_add_extra_chain_cert(sctx, chaincert)) {
printf("Unable to add extra chain cert %d\n", i);
X509_free(chaincert);
goto end;
}
}
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
if (!create_ssl_connection(serverssl, clientssl)) {
printf("Unable to create SSL connection\n");
goto end;
}
/*
* Calling SSL_clear() first is not required but this tests that SSL_clear()
* doesn't leak (when using enable-crypto-mdebug).
*/
if (!SSL_clear(serverssl)) {
printf("Unexpected failure from SSL_clear()\n");
goto end;
}
testresult = 1;
end:
X509_free(chaincert);
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static int test_large_message_tls(void)
{
return execute_test_large_message(TLS_server_method(), TLS_client_method(),
0);
}
static int test_large_message_tls_read_ahead(void)
{
return execute_test_large_message(TLS_server_method(), TLS_client_method(),
1);
}
#ifndef OPENSSL_NO_DTLS
static int test_large_message_dtls(void)
{
/*
* read_ahead is not relevant to DTLS because DTLS always acts as if
* read_ahead is set.
*/
return execute_test_large_message(DTLS_server_method(),
DTLS_client_method(), 0);
}
#endif
#ifndef OPENSSL_NO_OCSP
static int ocsp_server_cb(SSL *s, void *arg)
{
int *argi = (int *)arg;
unsigned char *orespdercopy = NULL;
STACK_OF(OCSP_RESPID) *ids = NULL;
OCSP_RESPID *id = NULL;
if (*argi == 2) {
/* In this test we are expecting exactly 1 OCSP_RESPID */
SSL_get_tlsext_status_ids(s, &ids);
if (ids == NULL || sk_OCSP_RESPID_num(ids) != 1)
return SSL_TLSEXT_ERR_ALERT_FATAL;
id = sk_OCSP_RESPID_value(ids, 0);
if (id == NULL || !OCSP_RESPID_match(id, ocspcert))
return SSL_TLSEXT_ERR_ALERT_FATAL;
} else if (*argi != 1) {
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
orespdercopy = OPENSSL_memdup(orespder, sizeof(orespder));
if (orespdercopy == NULL)
return SSL_TLSEXT_ERR_ALERT_FATAL;
SSL_set_tlsext_status_ocsp_resp(s, orespdercopy, sizeof(orespder));
ocsp_server_called = 1;
return SSL_TLSEXT_ERR_OK;
}
static int ocsp_client_cb(SSL *s, void *arg)
{
int *argi = (int *)arg;
const unsigned char *respderin;
size_t len;
if (*argi != 1 && *argi != 2)
return 0;
len = SSL_get_tlsext_status_ocsp_resp(s, &respderin);
if (memcmp(orespder, respderin, len) != 0)
return 0;
ocsp_client_called = 1;
return 1;
}
static int test_tlsext_status_type(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
STACK_OF(OCSP_RESPID) *ids = NULL;
OCSP_RESPID *id = NULL;
BIO *certbio = NULL;
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;
}
if (SSL_CTX_get_tlsext_status_type(cctx) != -1) {
printf("Unexpected initial value for "
"SSL_CTX_get_tlsext_status_type()\n");
goto end;
}
/* First just do various checks getting and setting tlsext_status_type */
clientssl = SSL_new(cctx);
if (SSL_get_tlsext_status_type(clientssl) != -1) {
printf("Unexpected initial value for SSL_get_tlsext_status_type()\n");
goto end;
}
if (!SSL_set_tlsext_status_type(clientssl, TLSEXT_STATUSTYPE_ocsp)) {
printf("Unexpected fail for SSL_set_tlsext_status_type()\n");
goto end;
}
if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp) {
printf("Unexpected result for SSL_get_tlsext_status_type()\n");
goto end;
}
SSL_free(clientssl);
clientssl = NULL;
if (!SSL_CTX_set_tlsext_status_type(cctx, TLSEXT_STATUSTYPE_ocsp)) {
printf("Unexpected fail for SSL_CTX_set_tlsext_status_type()\n");
goto end;
}
if (SSL_CTX_get_tlsext_status_type(cctx) != TLSEXT_STATUSTYPE_ocsp) {
printf("Unexpected result for SSL_CTX_get_tlsext_status_type()\n");
goto end;
}
clientssl = SSL_new(cctx);
if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp) {
printf("Unexpected result for SSL_get_tlsext_status_type() (test 2)\n");
goto end;
}
SSL_free(clientssl);
clientssl = NULL;
/*
* Now actually do a handshake and check OCSP information is exchanged and
* the callbacks get called
*/
SSL_CTX_set_tlsext_status_cb(cctx, ocsp_client_cb);
SSL_CTX_set_tlsext_status_arg(cctx, &cdummyarg);
SSL_CTX_set_tlsext_status_cb(sctx, ocsp_server_cb);
SSL_CTX_set_tlsext_status_arg(sctx, &cdummyarg);
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
if (!create_ssl_connection(serverssl, clientssl)) {
printf("Unable to create SSL connection\n");
goto end;
}
if (!ocsp_client_called || !ocsp_server_called) {
printf("OCSP callbacks not called\n");
goto end;
}
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = NULL;
clientssl = NULL;
/* Try again but this time force the server side callback to fail */
ocsp_client_called = 0;
ocsp_server_called = 0;
cdummyarg = 0;
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
/* This should fail because the callback will fail */
if (create_ssl_connection(serverssl, clientssl)) {
printf("Unexpected success creating the connection\n");
goto end;
}
if (ocsp_client_called || ocsp_server_called) {
printf("OCSP callbacks successfully called unexpectedly\n");
goto end;
}
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = NULL;
clientssl = NULL;
/*
* This time we'll get the client to send an OCSP_RESPID that it will
* accept.
*/
ocsp_client_called = 0;
ocsp_server_called = 0;
cdummyarg = 2;
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
/*
* We'll just use any old cert for this test - it doesn't have to be an OCSP
* specifc one. We'll use the server cert.
*/
certbio = BIO_new_file(cert, "r");
if (certbio == NULL) {
printf("Can't load the certficate file\n");
goto end;
}
id = OCSP_RESPID_new();
ids = sk_OCSP_RESPID_new_null();
ocspcert = PEM_read_bio_X509(certbio, NULL, NULL, NULL);
if (id == NULL || ids == NULL || ocspcert == NULL
|| !OCSP_RESPID_set_by_key(id, ocspcert)
|| !sk_OCSP_RESPID_push(ids, id)) {
printf("Unable to set OCSP_RESPIDs\n");
goto end;
}
id = NULL;
SSL_set_tlsext_status_ids(clientssl, ids);
/* Control has been transferred */
ids = NULL;
BIO_free(certbio);
certbio = NULL;
if (!create_ssl_connection(serverssl, clientssl)) {
printf("Unable to create SSL connection\n");
goto end;
}
if (!ocsp_client_called || !ocsp_server_called) {
printf("OCSP callbacks not called\n");
goto end;
}
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
sk_OCSP_RESPID_pop_free(ids, OCSP_RESPID_free);
OCSP_RESPID_free(id);
BIO_free(certbio);
X509_free(ocspcert);
ocspcert = NULL;
return testresult;
}
#endif
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);
}
typedef struct {
/* The list of sig algs */
const int *list;
/* The length of the list */
size_t listlen;
/* A sigalgs list in string format */
const char *liststr;
/* Whether setting the list should succeed */
int valid;
/* Whether creating a connection with the list should succeed */
int connsuccess;
} sigalgs_list;
static const int validlist1[] = {NID_sha256, EVP_PKEY_RSA};
#ifndef OPENSSL_NO_EC
static const int validlist2[] = {NID_sha256, EVP_PKEY_RSA, NID_sha512, EVP_PKEY_EC};
static const int validlist3[] = {NID_sha512, EVP_PKEY_EC};
#endif
static const int invalidlist1[] = {NID_undef, EVP_PKEY_RSA};
static const int invalidlist2[] = {NID_sha256, NID_undef};
static const int invalidlist3[] = {NID_sha256, EVP_PKEY_RSA, NID_sha256};
static const int invalidlist4[] = {NID_sha256};
static const sigalgs_list testsigalgs[] = {
{validlist1, OSSL_NELEM(validlist1), NULL, 1, 1},
#ifndef OPENSSL_NO_EC
{validlist2, OSSL_NELEM(validlist2), NULL, 1, 1},
{validlist3, OSSL_NELEM(validlist3), NULL, 1, 0},
#endif
{NULL, 0, "RSA+SHA256", 1, 1},
#ifndef OPENSSL_NO_EC
{NULL, 0, "RSA+SHA256:ECDSA+SHA512", 1, 1},
{NULL, 0, "ECDSA+SHA512", 1, 0},
#endif
{invalidlist1, OSSL_NELEM(invalidlist1), NULL, 0, 0},
{invalidlist2, OSSL_NELEM(invalidlist2), NULL, 0, 0},
{invalidlist3, OSSL_NELEM(invalidlist3), NULL, 0, 0},
{invalidlist4, OSSL_NELEM(invalidlist4), NULL, 0, 0},
{NULL, 0, "RSA", 0, 0},
{NULL, 0, "SHA256", 0, 0},
{NULL, 0, "RSA+SHA256:SHA256", 0, 0},
{NULL, 0, "Invalid", 0, 0}};
static int test_set_sigalgs(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
const sigalgs_list *curr;
int testctx;
/* Should never happen */
if ((size_t)idx >= OSSL_NELEM(testsigalgs) * 2)
return 0;
testctx = ((size_t)idx < OSSL_NELEM(testsigalgs));
curr = testctx ? &testsigalgs[idx]
: &testsigalgs[idx - OSSL_NELEM(testsigalgs)];
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;
}
/*
* TODO(TLS1.3): These APIs cannot set TLSv1.3 sig algs so we just test it
* for TLSv1.2 for now until we add a new API.
*/
SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION);
if (testctx) {
int ret;
if (curr->list != NULL)
ret = SSL_CTX_set1_sigalgs(cctx, curr->list, curr->listlen);
else
ret = SSL_CTX_set1_sigalgs_list(cctx, curr->liststr);
if (!ret) {
if (curr->valid)
printf("Unexpected failure setting sigalgs in SSL_CTX (%d)\n",
idx);
else
testresult = 1;
goto end;
}
if (!curr->valid) {
printf("Unexpected success setting sigalgs in SSL_CTX (%d)\n", idx);
goto end;
}
}
if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) {
printf("Unable to create SSL objects\n");
goto end;
}
if (!testctx) {
int ret;
if (curr->list != NULL)
ret = SSL_set1_sigalgs(clientssl, curr->list, curr->listlen);
else
ret = SSL_set1_sigalgs_list(clientssl, curr->liststr);
if (!ret) {
if (curr->valid)
printf("Unexpected failure setting sigalgs in SSL (%d)\n", idx);
else
testresult = 1;
goto end;
}
if (!curr->valid) {
printf("Unexpected success setting sigalgs in SSL (%d)\n", idx);
goto end;
}
}
if (curr->connsuccess != create_ssl_connection(serverssl, clientssl)) {
printf("Unexpected return value creating SSL connection (%d)\n", idx);
goto end;
}
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
int test_main(int argc, char *argv[])
{
int testresult = 1;
if (argc != 3) {
printf("Invalid argument count\n");
return 1;
}
cert = argv[1];
privkey = argv[2];
ADD_TEST(test_large_message_tls);
ADD_TEST(test_large_message_tls_read_ahead);
#ifndef OPENSSL_NO_DTLS
ADD_TEST(test_large_message_dtls);
#endif
#ifndef OPENSSL_NO_OCSP
ADD_TEST(test_tlsext_status_type);
#endif
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);
ADD_ALL_TESTS(test_set_sigalgs, OSSL_NELEM(testsigalgs) * 2);
ADD_TEST(test_keylog);
#ifndef OPENSSL_NO_TLS1_3
ADD_TEST(test_keylog_no_master_key);
#endif
testresult = run_tests(argv[0]);
bio_s_mempacket_test_free();
return testresult;
}
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