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openssl/test/sslapitest.c
Matt Caswell 6738bf1417 Update copyright year 
Reviewed-by: Richard Levitte <levitte@openssl.org>
2018-02-13 13:59:25 +00:00

3443 lines
116 KiB
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/*
* Copyright 2016-2018 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 "internal/nelem.h"
#include "../ssl/ssl_locl.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 size_t server_log_buffer_index = 0;
static char client_log_buffer[LOG_BUFFER_SIZE + 1] = {0};
static size_t 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
#define CLIENT_VERSION_LEN 2
/*
* 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 unsigned char serverinfov1[] = {
0xff, 0xff, /* Dummy extension type */
0x00, 0x01, /* Extension length is 1 byte */
0xff /* Dummy extension data */
};
static unsigned char serverinfov2[] = {
0x00, 0x00, 0x00,
(unsigned char)(SSL_EXT_CLIENT_HELLO & 0xff), /* Dummy context - 4 bytes */
0xff, 0xff, /* Dummy extension type */
0x00, 0x01, /* Extension length is 1 byte */
0xff /* Dummy extension data */
};
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 > sizeof(client_log_buffer) - 1) {
TEST_info("Client log too full");
error_writing_log = 1;
return;
}
strcat(client_log_buffer, line);
client_log_buffer_index += line_length;
client_log_buffer[client_log_buffer_index++] = '\n';
}
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 > sizeof(server_log_buffer) - 1) {
TEST_info("Server log too full");
error_writing_log = 1;
return;
}
strcat(server_log_buffer, line);
server_log_buffer_index += line_length;
server_log_buffer[server_log_buffer_index++] = '\n';
}
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, j;
char hexed[3];
if (!TEST_size_t_eq(raw_length * 2, hex_length))
return 1;
for (i = j = 0; i < raw_length && j + 1 < hex_length; i++, j += 2) {
sprintf(hexed, "%02x", raw[i]);
if (!TEST_int_eq(hexed[0], hex_encoded[j])
|| !TEST_int_eq(hexed[1], hex_encoded[j + 1]))
return 1;
}
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;
for (token = strtok(buffer, " \n"); token != NULL;
token = strtok(NULL, " \n")) {
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.
*/
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
if (!TEST_size_t_eq(strlen(token), 16))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \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 (!TEST_size_t_eq(client_random_size, SSL3_RANDOM_SIZE))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
if (!TEST_size_t_eq(strlen(token), 64))
return 0;
if (!TEST_false(compare_hex_encoded_buffer(token, 64,
actual_client_random,
client_random_size)))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
master_key_size = SSL_SESSION_get_master_key(session,
actual_master_key,
master_key_size);
if (!TEST_size_t_ne(master_key_size, 0))
return 0;
if (!TEST_false(compare_hex_encoded_buffer(token, strlen(token),
actual_master_key,
master_key_size)))
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 (!TEST_size_t_eq(client_random_size, SSL3_RANDOM_SIZE))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
if (!TEST_size_t_eq(strlen(token), 64))
return 0;
if (!TEST_false(compare_hex_encoded_buffer(token, 64,
actual_client_random,
client_random_size)))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
/*
* TODO(TLS1.3): test that application traffic secrets are what
* we expect */
} else {
TEST_info("Unexpected token %s\n", token);
return 0;
}
}
/* Got what we expected? */
if (!TEST_size_t_eq(rsa_key_exchange_count,
expected->rsa_key_exchange_count)
|| !TEST_size_t_eq(master_secret_count,
expected->master_secret_count)
|| !TEST_size_t_eq(client_handshake_secret_count,
expected->client_handshake_secret_count)
|| !TEST_size_t_eq(server_handshake_secret_count,
expected->server_handshake_secret_count)
|| !TEST_size_t_eq(client_application_secret_count,
expected->client_application_secret_count)
|| !TEST_size_t_eq(server_application_secret_count,
expected->server_application_secret_count))
return 0;
return 1;
}
#if !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3)
static int test_keylog(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, sizeof(client_log_buffer));
memset(server_log_buffer, 0, sizeof(server_log_buffer));
client_log_buffer_index = 0;
server_log_buffer_index = 0;
error_writing_log = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(),
&sctx, &cctx, cert, privkey)))
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. */
if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "RSA")))
goto end;
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL)
|| !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL))
goto end;
SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx)
== client_keylog_callback))
goto end;
SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(sctx)
== server_keylog_callback))
goto end;
/* Now do a handshake and check that the logs have been written to. */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(error_writing_log)
|| !TEST_int_gt(client_log_buffer_index, 0)
|| !TEST_int_gt(server_log_buffer_index, 0))
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_true(test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected)))
goto end;
expected.rsa_key_exchange_count = 0;
if (!TEST_true(test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl), &expected)))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
#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, sizeof(client_log_buffer));
memset(server_log_buffer, 0, sizeof(server_log_buffer));
client_log_buffer_index = 0;
server_log_buffer_index = 0;
error_writing_log = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
return 0;
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL)
|| !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL))
goto end;
SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx)
== client_keylog_callback))
goto end;
SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(sctx)
== server_keylog_callback))
goto end;
/* Now do a handshake and check that the logs have been written to. */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(error_writing_log))
goto end;
/*
* Now we want to test that our output data was vaguely sensible. For this
* test, we expect no CLIENT_RANDOM entry because 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_true(test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected))
|| !TEST_true(test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl),
&expected)))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
#ifndef OPENSSL_NO_TLS1_2
static int full_client_hello_callback(SSL *s, int *al, void *arg)
{
int *ctr = arg;
const unsigned char *p;
int *exts;
/* We only configure two ciphers, but the SCSV is added automatically. */
#ifdef OPENSSL_NO_EC
const unsigned char expected_ciphers[] = {0x00, 0x9d, 0x00, 0xff};
#else
const unsigned char expected_ciphers[] = {0x00, 0x9d, 0xc0,
0x2c, 0x00, 0xff};
#endif
const int expected_extensions[] = {
#ifndef OPENSSL_NO_EC
11, 10,
#endif
35, 22, 23, 13};
size_t len;
/* Make sure we can defer processing and get called back. */
if ((*ctr)++ == 0)
return SSL_CLIENT_HELLO_RETRY;
len = SSL_client_hello_get0_ciphers(s, &p);
if (!TEST_mem_eq(p, len, expected_ciphers, sizeof(expected_ciphers))
|| !TEST_size_t_eq(
SSL_client_hello_get0_compression_methods(s, &p), 1)
|| !TEST_int_eq(*p, 0))
return SSL_CLIENT_HELLO_ERROR;
if (!SSL_client_hello_get1_extensions_present(s, &exts, &len))
return SSL_CLIENT_HELLO_ERROR;
if (len != OSSL_NELEM(expected_extensions) ||
memcmp(exts, expected_extensions, len * sizeof(*exts)) != 0) {
printf("ClientHello callback expected extensions mismatch\n");
OPENSSL_free(exts);
return SSL_CLIENT_HELLO_ERROR;
}
OPENSSL_free(exts);
return SSL_CLIENT_HELLO_SUCCESS;
}
static int test_client_hello_cb(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testctr = 0, testresult = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
goto end;
SSL_CTX_set_client_hello_cb(sctx, full_client_hello_callback, &testctr);
/* The gimpy cipher list we configure can't do TLS 1.3. */
SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION);
if (!TEST_true(SSL_CTX_set_cipher_list(cctx,
"AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_CLIENT_HELLO_CB))
/*
* Passing a -1 literal is a hack since
* the real value was lost.
* */
|| !TEST_int_eq(SSL_get_error(serverssl, -1),
SSL_ERROR_WANT_CLIENT_HELLO_CB)
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
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 = NULL;
X509 *chaincert = NULL;
int certlen;
if (!TEST_ptr(certbio = BIO_new_file(cert, "r")))
goto end;
chaincert = PEM_read_bio_X509(certbio, NULL, NULL, NULL);
BIO_free(certbio);
certbio = NULL;
if (!TEST_ptr(chaincert))
goto end;
if (!TEST_true(create_ssl_ctx_pair(smeth, cmeth, &sctx,
&cctx, cert, privkey)))
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 allocating 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))
goto end;
if (!SSL_CTX_add_extra_chain_cert(sctx, chaincert)) {
X509_free(chaincert);
goto end;
}
}
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
/*
* Calling SSL_clear() first is not required but this tests that SSL_clear()
* doesn't leak (when using enable-crypto-mdebug).
*/
if (!TEST_true(SSL_clear(serverssl)))
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 *copy = 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;
}
if (!TEST_ptr(copy = OPENSSL_memdup(orespder, sizeof(orespder))))
return SSL_TLSEXT_ERR_ALERT_FATAL;
SSL_set_tlsext_status_ocsp_resp(s, copy, 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 (!TEST_mem_eq(orespder, len, respderin, len))
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))
return 0;
if (SSL_CTX_get_tlsext_status_type(cctx) != -1)
goto end;
/* First just do various checks getting and setting tlsext_status_type */
clientssl = SSL_new(cctx);
if (!TEST_int_eq(SSL_get_tlsext_status_type(clientssl), -1)
|| !TEST_true(SSL_set_tlsext_status_type(clientssl,
TLSEXT_STATUSTYPE_ocsp))
|| !TEST_int_eq(SSL_get_tlsext_status_type(clientssl),
TLSEXT_STATUSTYPE_ocsp))
goto end;
SSL_free(clientssl);
clientssl = NULL;
if (!SSL_CTX_set_tlsext_status_type(cctx, TLSEXT_STATUSTYPE_ocsp)
|| SSL_CTX_get_tlsext_status_type(cctx) != TLSEXT_STATUSTYPE_ocsp)
goto end;
clientssl = SSL_new(cctx);
if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp)
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 (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(ocsp_client_called)
|| !TEST_true(ocsp_server_called))
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 (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
/* This should fail because the callback will fail */
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(ocsp_client_called)
|| !TEST_false(ocsp_server_called))
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 (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL)))
goto end;
/*
* We'll just use any old cert for this test - it doesn't have to be an OCSP
* specific one. We'll use the server cert.
*/
if (!TEST_ptr(certbio = BIO_new_file(cert, "r"))
|| !TEST_ptr(id = OCSP_RESPID_new())
|| !TEST_ptr(ids = sk_OCSP_RESPID_new_null())
|| !TEST_ptr(ocspcert = PEM_read_bio_X509(certbio,
NULL, NULL, NULL))
|| !TEST_true(OCSP_RESPID_set_by_key(id, ocspcert))
|| !TEST_true(sk_OCSP_RESPID_push(ids, id)))
goto end;
id = NULL;
SSL_set_tlsext_status_ids(clientssl, ids);
/* Control has been transferred */
ids = NULL;
BIO_free(certbio);
certbio = NULL;
if (!TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(ocsp_client_called)
|| !TEST_true(ocsp_server_called))
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
#if !defined(OPENSSL_NO_TLS1_3) || !defined(OPENSSL_NO_TLS1_2)
static int new_called, remove_called, get_called;
static int new_session_cb(SSL *ssl, SSL_SESSION *sess)
{
new_called++;
/*
* sess has been up-refed for us, but we don't actually need it so free it
* immediately.
*/
SSL_SESSION_free(sess);
return 1;
}
static void remove_session_cb(SSL_CTX *ctx, SSL_SESSION *sess)
{
remove_called++;
}
static SSL_SESSION *get_sess_val = NULL;
static SSL_SESSION *get_session_cb(SSL *ssl, const unsigned char *id, int len,
int *copy)
{
get_called++;
*copy = 1;
return get_sess_val;
}
static int execute_test_session(int maxprot, int use_int_cache,
int use_ext_cache)
{
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;
new_called = remove_called = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
return 0;
/*
* Only allow the max protocol version so we can force a connection failure
* later
*/
SSL_CTX_set_min_proto_version(cctx, maxprot);
SSL_CTX_set_max_proto_version(cctx, maxprot);
/* Set up session cache */
if (use_ext_cache) {
SSL_CTX_sess_set_new_cb(cctx, new_session_cb);
SSL_CTX_sess_set_remove_cb(cctx, remove_session_cb);
}
if (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 (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl1, clientssl1,
SSL_ERROR_NONE))
|| !TEST_ptr(sess1 = SSL_get1_session(clientssl1)))
goto end;
/* Should fail because it should already be in the cache */
if (use_int_cache && !TEST_false(SSL_CTX_add_session(cctx, sess1)))
goto end;
if (use_ext_cache
&& (!TEST_int_eq(new_called, 1) || !TEST_int_eq(remove_called, 0)))
goto end;
new_called = remove_called = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl2,
&clientssl2, NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl2, sess1))
|| !TEST_true(create_ssl_connection(serverssl2, clientssl2,
SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl2)))
goto end;
if (maxprot == TLS1_3_VERSION) {
/*
* In TLSv1.3 we should have created a new session even though we have
* resumed. The original session should also have been removed.
*/
if (use_ext_cache
&& (!TEST_int_eq(new_called, 1)
|| !TEST_int_eq(remove_called, 1)))
goto end;
} else {
/*
* In TLSv1.2 we expect to have resumed so no sessions added or
* removed.
*/
if (use_ext_cache
&& (!TEST_int_eq(new_called, 0)
|| !TEST_int_eq(remove_called, 0)))
goto end;
}
SSL_SESSION_free(sess1);
if (!TEST_ptr(sess1 = SSL_get1_session(clientssl2)))
goto end;
shutdown_ssl_connection(serverssl2, clientssl2);
serverssl2 = clientssl2 = NULL;
new_called = remove_called = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl2,
&clientssl2, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl2, clientssl2,
SSL_ERROR_NONE)))
goto end;
if (!TEST_ptr(sess2 = SSL_get1_session(clientssl2)))
goto end;
if (use_ext_cache
&& (!TEST_int_eq(new_called, 1) || !TEST_int_eq(remove_called, 0)))
goto end;
new_called = remove_called = 0;
/*
* This should clear sess2 from the cache because it is a "bad" session.
* See SSL_set_session() documentation.
*/
if (!TEST_true(SSL_set_session(clientssl2, sess1)))
goto end;
if (use_ext_cache
&& (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 1)))
goto end;
if (!TEST_ptr_eq(SSL_get_session(clientssl2), sess1))
goto end;
if (use_int_cache) {
/* Should succeeded because it should not already be in the cache */
if (!TEST_true(SSL_CTX_add_session(cctx, sess2))
|| !TEST_true(SSL_CTX_remove_session(cctx, sess2)))
goto end;
}
new_called = remove_called = 0;
/* This shouldn't be in the cache so should fail */
if (!TEST_false(SSL_CTX_remove_session(cctx, sess2)))
goto end;
if (use_ext_cache
&& (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 1)))
goto end;
# if !defined(OPENSSL_NO_TLS1_1)
new_called = remove_called = 0;
/* Force a connection failure */
SSL_CTX_set_max_proto_version(sctx, TLS1_1_VERSION);
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl3,
&clientssl3, NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl3, sess1))
/* This should fail because of the mismatched protocol versions */
|| !TEST_false(create_ssl_connection(serverssl3, clientssl3,
SSL_ERROR_NONE)))
goto end;
/* We should have automatically removed the session from the cache */
if (use_ext_cache
&& (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 1)))
goto end;
/* Should succeed because it should not already be in the cache */
if (use_int_cache && !TEST_true(SSL_CTX_add_session(cctx, sess2)))
goto end;
# endif
/* Now do some tests for server side caching */
if (use_ext_cache) {
SSL_CTX_sess_set_new_cb(cctx, NULL);
SSL_CTX_sess_set_remove_cb(cctx, NULL);
SSL_CTX_sess_set_new_cb(sctx, new_session_cb);
SSL_CTX_sess_set_remove_cb(sctx, remove_session_cb);
SSL_CTX_sess_set_get_cb(sctx, get_session_cb);
get_sess_val = NULL;
}
SSL_CTX_set_session_cache_mode(cctx, 0);
/* Internal caching is the default on the server side */
if (!use_int_cache)
SSL_CTX_set_session_cache_mode(sctx,
SSL_SESS_CACHE_SERVER
| SSL_SESS_CACHE_NO_INTERNAL_STORE);
SSL_free(serverssl1);
SSL_free(clientssl1);
serverssl1 = clientssl1 = NULL;
SSL_free(serverssl2);
SSL_free(clientssl2);
serverssl2 = clientssl2 = NULL;
SSL_SESSION_free(sess1);
sess1 = NULL;
SSL_SESSION_free(sess2);
sess2 = NULL;
SSL_CTX_set_max_proto_version(sctx, maxprot);
SSL_CTX_set_options(sctx, SSL_OP_NO_TICKET);
new_called = remove_called = get_called = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl1, clientssl1,
SSL_ERROR_NONE))
|| !TEST_ptr(sess1 = SSL_get1_session(clientssl1))
|| !TEST_ptr(sess2 = SSL_get1_session(serverssl1)))
goto end;
/* Should fail because it should already be in the cache */
if (use_int_cache && !TEST_false(SSL_CTX_add_session(sctx, sess2)))
goto end;
if (use_ext_cache) {
SSL_SESSION *tmp = sess2;
if (!TEST_int_eq(new_called, 1)
|| !TEST_int_eq(remove_called, 0)
|| !TEST_int_eq(get_called, 0))
goto end;
/*
* Delete the session from the internal cache to force a lookup from
* the external cache. We take a copy first because
* SSL_CTX_remove_session() also marks the session as non-resumable.
*/
if (use_int_cache) {
if (!TEST_ptr(tmp = SSL_SESSION_dup(sess2))
|| !TEST_true(SSL_CTX_remove_session(sctx, sess2)))
goto end;
SSL_SESSION_free(sess2);
}
sess2 = tmp;
}
new_called = remove_called = get_called = 0;
get_sess_val = sess2;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl2,
&clientssl2, NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl2, sess1))
|| !TEST_true(create_ssl_connection(serverssl2, clientssl2,
SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl2)))
goto end;
if (use_ext_cache) {
if (!TEST_int_eq(new_called, 0)
|| !TEST_int_eq(remove_called, 0))
goto end;
if (maxprot == TLS1_3_VERSION) {
if (!TEST_int_eq(get_called, 0))
goto end;
} else {
if (!TEST_int_eq(get_called, 1))
goto end;
}
}
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);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif /* !defined(OPENSSL_NO_TLS1_3) || !defined(OPENSSL_NO_TLS1_2) */
static int test_session_with_only_int_cache(void)
{
#ifndef OPENSSL_NO_TLS1_3
if (!execute_test_session(TLS1_3_VERSION, 1, 0))
return 0;
#endif
#ifndef OPENSSL_NO_TLS1_2
return execute_test_session(TLS1_2_VERSION, 1, 0);
#else
return 1;
#endif
}
static int test_session_with_only_ext_cache(void)
{
#ifndef OPENSSL_NO_TLS1_3
if (!execute_test_session(TLS1_3_VERSION, 0, 1))
return 0;
#endif
#ifndef OPENSSL_NO_TLS1_2
return execute_test_session(TLS1_2_VERSION, 0, 1);
#else
return 1;
#endif
}
static int test_session_with_both_cache(void)
{
#ifndef OPENSSL_NO_TLS1_3
if (!execute_test_session(TLS1_3_VERSION, 1, 1))
return 0;
#endif
#ifndef OPENSSL_NO_TLS1_2
return execute_test_session(TLS1_2_VERSION, 1, 1);
#else
return 1;
#endif
}
#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;
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;
initrbio = idx % 3;
idx /= 3;
initwbio = idx % 3;
idx /= 3;
newrbio = idx % 3;
idx /= 3;
newwbio = idx;
if (!TEST_int_le(newwbio, 2))
return 0;
if (!TEST_ptr(ctx = SSL_CTX_new(TLS_method()))
|| !TEST_ptr(ssl = SSL_new(ctx)))
goto end;
if (initrbio == USE_BIO_1
|| initwbio == USE_BIO_1
|| newrbio == USE_BIO_1
|| newwbio == USE_BIO_1) {
if (!TEST_ptr(bio1 = BIO_new(BIO_s_mem())))
goto end;
}
if (initrbio == USE_BIO_2
|| initwbio == USE_BIO_2
|| newrbio == USE_BIO_2
|| newwbio == USE_BIO_2) {
if (!TEST_ptr(bio2 = BIO_new(BIO_s_mem())))
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 ownership 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 enum { NO_BIO_CHANGE, CHANGE_RBIO, CHANGE_WBIO } bio_change_t;
static int execute_test_ssl_bio(int pop_ssl, bio_change_t change_bio)
{
BIO *sslbio = NULL, *membio1 = NULL, *membio2 = NULL;
SSL_CTX *ctx;
SSL *ssl = NULL;
int testresult = 0;
if (!TEST_ptr(ctx = SSL_CTX_new(TLS_method()))
|| !TEST_ptr(ssl = SSL_new(ctx))
|| !TEST_ptr(sslbio = BIO_new(BIO_f_ssl()))
|| !TEST_ptr(membio1 = BIO_new(BIO_s_mem())))
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 changing the rbio/wbio directly does not cause leaks */
if (change_bio != NO_BIO_CHANGE) {
if (!TEST_ptr(membio2 = BIO_new(BIO_s_mem())))
goto end;
if (change_bio == CHANGE_RBIO)
SSL_set0_rbio(ssl, membio2);
else
SSL_set0_wbio(ssl, membio2);
}
ssl = NULL;
if (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)
{
return execute_test_ssl_bio(0, NO_BIO_CHANGE);
}
static int test_ssl_bio_pop_ssl_bio(void)
{
return execute_test_ssl_bio(1, NO_BIO_CHANGE);
}
static int test_ssl_bio_change_rbio(void)
{
return execute_test_ssl_bio(0, CHANGE_RBIO);
}
static int test_ssl_bio_change_wbio(void)
{
return execute_test_ssl_bio(0, CHANGE_WBIO);
}
#if !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3)
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 (!TEST_size_t_le((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 (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
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)
TEST_info("Failure setting sigalgs in SSL_CTX (%d)\n", idx);
else
testresult = 1;
goto end;
}
if (!curr->valid) {
TEST_info("Not-failed setting sigalgs in SSL_CTX (%d)\n", idx);
goto end;
}
}
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL)))
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)
TEST_info("Failure setting sigalgs in SSL (%d)\n", idx);
else
testresult = 1;
goto end;
}
if (!curr->valid)
goto end;
}
if (!TEST_int_eq(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE),
curr->connsuccess))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
#ifndef OPENSSL_NO_TLS1_3
static SSL_SESSION *clientpsk = NULL;
static SSL_SESSION *serverpsk = NULL;
static const char *pskid = "Identity";
static const char *srvid;
static int use_session_cb_cnt = 0;
static int find_session_cb_cnt = 0;
static int use_session_cb(SSL *ssl, const EVP_MD *md, const unsigned char **id,
size_t *idlen, SSL_SESSION **sess)
{
switch (++use_session_cb_cnt) {
case 1:
/* The first call should always have a NULL md */
if (md != NULL)
return 0;
break;
case 2:
/* The second call should always have an md */
if (md == NULL)
return 0;
break;
default:
/* We should only be called a maximum of twice */
return 0;
}
if (clientpsk != NULL)
SSL_SESSION_up_ref(clientpsk);
*sess = clientpsk;
*id = (const unsigned char *)pskid;
*idlen = strlen(pskid);
return 1;
}
static int find_session_cb(SSL *ssl, const unsigned char *identity,
size_t identity_len, SSL_SESSION **sess)
{
find_session_cb_cnt++;
/* We should only ever be called a maximum of twice per connection */
if (find_session_cb_cnt > 2)
return 0;
if (serverpsk == NULL)
return 0;
/* Identity should match that set by the client */
if (strlen(srvid) != identity_len
|| strncmp(srvid, (const char *)identity, identity_len) != 0) {
/* No PSK found, continue but without a PSK */
*sess = NULL;
return 1;
}
SSL_SESSION_up_ref(serverpsk);
*sess = serverpsk;
return 1;
}
#define MSG1 "Hello"
#define MSG2 "World."
#define MSG3 "This"
#define MSG4 "is"
#define MSG5 "a"
#define MSG6 "test"
#define MSG7 "message."
#define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
/*
* Helper method to setup objects for early data test. Caller frees objects on
* error.
*/
static int setupearly_data_test(SSL_CTX **cctx, SSL_CTX **sctx, SSL **clientssl,
SSL **serverssl, SSL_SESSION **sess, int idx)
{
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), sctx,
cctx, cert, privkey)))
return 0;
if (idx == 1) {
/* When idx == 1 we repeat the tests with read_ahead set */
SSL_CTX_set_read_ahead(*cctx, 1);
SSL_CTX_set_read_ahead(*sctx, 1);
} else if (idx == 2) {
/* When idx == 2 we are doing early_data with a PSK. Set up callbacks */
SSL_CTX_set_psk_use_session_callback(*cctx, use_session_cb);
SSL_CTX_set_psk_find_session_callback(*sctx, find_session_cb);
use_session_cb_cnt = 0;
find_session_cb_cnt = 0;
srvid = pskid;
}
if (!TEST_true(create_ssl_objects(*sctx, *cctx, serverssl, clientssl,
NULL, NULL)))
return 0;
/*
* For one of the run throughs (doesn't matter which one), we'll try sending
* some SNI data in the initial ClientHello. This will be ignored (because
* there is no SNI cb set up by the server), so it should not impact
* early_data.
*/
if (idx == 1
&& !TEST_true(SSL_set_tlsext_host_name(*clientssl, "localhost")))
return 0;
if (idx == 2) {
/* Create the PSK */
const SSL_CIPHER *cipher = NULL;
const unsigned char key[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
0x2c, 0x2d, 0x2e, 0x2f
};
cipher = SSL_CIPHER_find(*clientssl, TLS13_AES_256_GCM_SHA384_BYTES);
clientpsk = SSL_SESSION_new();
if (!TEST_ptr(clientpsk)
|| !TEST_ptr(cipher)
|| !TEST_true(SSL_SESSION_set1_master_key(clientpsk, key,
sizeof(key)))
|| !TEST_true(SSL_SESSION_set_cipher(clientpsk, cipher))
|| !TEST_true(
SSL_SESSION_set_protocol_version(clientpsk,
TLS1_3_VERSION))
/*
* We just choose an arbitrary value for max_early_data which
* should be big enough for testing purposes.
*/
|| !TEST_true(SSL_SESSION_set_max_early_data(clientpsk,
0x100))
|| !TEST_true(SSL_SESSION_up_ref(clientpsk))) {
SSL_SESSION_free(clientpsk);
clientpsk = NULL;
return 0;
}
serverpsk = clientpsk;
if (sess != NULL)
*sess = clientpsk;
return 1;
}
if (sess == NULL)
return 1;
if (!TEST_true(create_ssl_connection(*serverssl, *clientssl,
SSL_ERROR_NONE)))
return 0;
*sess = SSL_get1_session(*clientssl);
SSL_shutdown(*clientssl);
SSL_shutdown(*serverssl);
SSL_free(*serverssl);
SSL_free(*clientssl);
*serverssl = *clientssl = NULL;
if (!TEST_true(create_ssl_objects(*sctx, *cctx, serverssl,
clientssl, NULL, NULL))
|| !TEST_true(SSL_set_session(*clientssl, *sess)))
return 0;
return 1;
}
static int test_early_data_read_write(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
SSL_SESSION *sess = NULL;
unsigned char buf[20], data[1024];
size_t readbytes, written, eoedlen, rawread, rawwritten;
BIO *rbio;
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, &sess, idx)))
goto end;
/* Write and read some early data */
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written))
|| !TEST_size_t_eq(written, strlen(MSG1))
|| !TEST_int_eq(SSL_read_early_data(serverssl, buf,
sizeof(buf), &readbytes),
SSL_READ_EARLY_DATA_SUCCESS)
|| !TEST_mem_eq(MSG1, readbytes, buf, strlen(MSG1))
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_ACCEPTED))
goto end;
/*
* Server should be able to write data, and client should be able to
* read it.
*/
if (!TEST_true(SSL_write_early_data(serverssl, MSG2, strlen(MSG2),
&written))
|| !TEST_size_t_eq(written, strlen(MSG2))
|| !TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2)))
goto end;
/* Even after reading normal data, client should be able write early data */
if (!TEST_true(SSL_write_early_data(clientssl, MSG3, strlen(MSG3),
&written))
|| !TEST_size_t_eq(written, strlen(MSG3)))
goto end;
/* Server should still be able read early data after writing data */
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_SUCCESS)
|| !TEST_mem_eq(buf, readbytes, MSG3, strlen(MSG3)))
goto end;
/* Write more data from server and read it from client */
if (!TEST_true(SSL_write_early_data(serverssl, MSG4, strlen(MSG4),
&written))
|| !TEST_size_t_eq(written, strlen(MSG4))
|| !TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG4, strlen(MSG4)))
goto end;
/*
* If client writes normal data it should mean writing early data is no
* longer possible.
*/
if (!TEST_true(SSL_write_ex(clientssl, MSG5, strlen(MSG5), &written))
|| !TEST_size_t_eq(written, strlen(MSG5))
|| !TEST_int_eq(SSL_get_early_data_status(clientssl),
SSL_EARLY_DATA_ACCEPTED))
goto end;
/*
* At this point the client has written EndOfEarlyData, ClientFinished and
* normal (fully protected) data. We are going to cause a delay between the
* arrival of EndOfEarlyData and ClientFinished. We read out all the data
* in the read BIO, and then just put back the EndOfEarlyData message.
*/
rbio = SSL_get_rbio(serverssl);
if (!TEST_true(BIO_read_ex(rbio, data, sizeof(data), &rawread))
|| !TEST_size_t_lt(rawread, sizeof(data))
|| !TEST_size_t_gt(rawread, SSL3_RT_HEADER_LENGTH))
goto end;
/* Record length is in the 4th and 5th bytes of the record header */
eoedlen = SSL3_RT_HEADER_LENGTH + (data[3] << 8 | data[4]);
if (!TEST_true(BIO_write_ex(rbio, data, eoedlen, &rawwritten))
|| !TEST_size_t_eq(rawwritten, eoedlen))
goto end;
/* Server should be told that there is no more early data */
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_FINISH)
|| !TEST_size_t_eq(readbytes, 0))
goto end;
/*
* Server has not finished init yet, so should still be able to write early
* data.
*/
if (!TEST_true(SSL_write_early_data(serverssl, MSG6, strlen(MSG6),
&written))
|| !TEST_size_t_eq(written, strlen(MSG6)))
goto end;
/* Push the ClientFinished and the normal data back into the server rbio */
if (!TEST_true(BIO_write_ex(rbio, data + eoedlen, rawread - eoedlen,
&rawwritten))
|| !TEST_size_t_eq(rawwritten, rawread - eoedlen))
goto end;
/* Server should be able to read normal data */
if (!TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))
|| !TEST_size_t_eq(readbytes, strlen(MSG5)))
goto end;
/* Client and server should not be able to write/read early data now */
if (!TEST_false(SSL_write_early_data(clientssl, MSG6, strlen(MSG6),
&written)))
goto end;
ERR_clear_error();
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_ERROR))
goto end;
ERR_clear_error();
/* Client should be able to read the data sent by the server */
if (!TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG6, strlen(MSG6)))
goto end;
/*
* Make sure we process the NewSessionTicket. This arrives post-handshake.
* We attempt a read which we do not expect to return any data.
*/
if (!TEST_false(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)))
goto end;
/* Server should be able to write normal data */
if (!TEST_true(SSL_write_ex(serverssl, MSG7, strlen(MSG7), &written))
|| !TEST_size_t_eq(written, strlen(MSG7))
|| !TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG7, strlen(MSG7)))
goto end;
/* We keep the PSK session around if using PSK */
if (idx != 2)
SSL_SESSION_free(sess);
sess = SSL_get1_session(clientssl);
use_session_cb_cnt = 0;
find_session_cb_cnt = 0;
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, sess)))
goto end;
/* Write and read some early data */
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written))
|| !TEST_size_t_eq(written, strlen(MSG1))
|| !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_SUCCESS)
|| !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1)))
goto end;
if (!TEST_int_gt(SSL_connect(clientssl), 0)
|| !TEST_int_gt(SSL_accept(serverssl), 0))
goto end;
/* Client and server should not be able to write/read early data now */
if (!TEST_false(SSL_write_early_data(clientssl, MSG6, strlen(MSG6),
&written)))
goto end;
ERR_clear_error();
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_ERROR))
goto end;
ERR_clear_error();
/* Client and server should be able to write/read normal data */
if (!TEST_true(SSL_write_ex(clientssl, MSG5, strlen(MSG5), &written))
|| !TEST_size_t_eq(written, strlen(MSG5))
|| !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))
|| !TEST_size_t_eq(readbytes, strlen(MSG5)))
goto end;
testresult = 1;
end:
if (sess != clientpsk)
SSL_SESSION_free(sess);
SSL_SESSION_free(clientpsk);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
/*
* Helper function to test that a server attempting to read early data can
* handle a connection from a client where the early data should be skipped.
*/
static int early_data_skip_helper(int hrr, int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
SSL_SESSION *sess = NULL;
unsigned char buf[20];
size_t readbytes, written;
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, &sess, idx)))
goto end;
if (hrr) {
/* Force an HRR to occur */
if (!TEST_true(SSL_set1_groups_list(serverssl, "P-256")))
goto end;
} else if (idx == 2) {
/*
* We force early_data rejection by ensuring the PSK identity is
* unrecognised
*/
srvid = "Dummy Identity";
} else {
/*
* Deliberately corrupt the creation time. We take 20 seconds off the
* time. It could be any value as long as it is not within tolerance.
* This should mean the ticket is rejected.
*/
if (!TEST_true(SSL_SESSION_set_time(sess, (long)(time(NULL) - 20))))
goto end;
}
/* Write some early data */
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written))
|| !TEST_size_t_eq(written, strlen(MSG1)))
goto end;
/* Server should reject the early data and skip over it */
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_FINISH)
|| !TEST_size_t_eq(readbytes, 0)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_REJECTED))
goto end;
if (hrr) {
/*
* Finish off the handshake. We perform the same writes and reads as
* further down but we expect them to fail due to the incomplete
* handshake.
*/
if (!TEST_false(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written))
|| !TEST_false(SSL_read_ex(serverssl, buf, sizeof(buf),
&readbytes)))
goto end;
}
/* Should be able to send normal data despite rejection of early data */
if (!TEST_true(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written))
|| !TEST_size_t_eq(written, strlen(MSG2))
|| !TEST_int_eq(SSL_get_early_data_status(clientssl),
SSL_EARLY_DATA_REJECTED)
|| !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2)))
goto end;
testresult = 1;
end:
if (sess != clientpsk)
SSL_SESSION_free(clientpsk);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_SESSION_free(sess);
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
/*
* Test that a server attempting to read early data can handle a connection
* from a client where the early data is not acceptable.
*/
static int test_early_data_skip(int idx)
{
return early_data_skip_helper(0, idx);
}
/*
* Test that a server attempting to read early data can handle a connection
* from a client where an HRR occurs.
*/
static int test_early_data_skip_hrr(int idx)
{
return early_data_skip_helper(1, idx);
}
/*
* Test that a server attempting to read early data can handle a connection
* from a client that doesn't send any.
*/
static int test_early_data_not_sent(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
SSL_SESSION *sess = NULL;
unsigned char buf[20];
size_t readbytes, written;
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, &sess, idx)))
goto end;
/* Write some data - should block due to handshake with server */
SSL_set_connect_state(clientssl);
if (!TEST_false(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written)))
goto end;
/* Server should detect that early data has not been sent */
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_FINISH)
|| !TEST_size_t_eq(readbytes, 0)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_NOT_SENT)
|| !TEST_int_eq(SSL_get_early_data_status(clientssl),
SSL_EARLY_DATA_NOT_SENT))
goto end;
/* Continue writing the message we started earlier */
if (!TEST_true(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written))
|| !TEST_size_t_eq(written, strlen(MSG1))
|| !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1))
|| !SSL_write_ex(serverssl, MSG2, strlen(MSG2), &written)
|| !TEST_size_t_eq(written, strlen(MSG2)))
goto end;
/*
* Should block due to the NewSessionTicket arrival unless we're using
* read_ahead
*/
if (idx != 1) {
if (!TEST_false(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)))
goto end;
}
if (!TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2)))
goto end;
testresult = 1;
end:
/* If using PSK then clientpsk and sess are the same */
SSL_SESSION_free(sess);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static int hostname_cb(SSL *s, int *al, void *arg)
{
const char *hostname = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
if (hostname != NULL && strcmp(hostname, "goodhost") == 0)
return SSL_TLSEXT_ERR_OK;
return SSL_TLSEXT_ERR_NOACK;
}
static const char *servalpn;
static int alpn_select_cb(SSL *ssl, const unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen, void *arg)
{
unsigned int protlen = 0;
const unsigned char *prot;
for (prot = in; prot < in + inlen; prot += protlen) {
protlen = *prot++;
if (in + inlen < prot + protlen)
return SSL_TLSEXT_ERR_NOACK;
if (protlen == strlen(servalpn)
&& memcmp(prot, servalpn, protlen) == 0) {
*out = prot;
*outlen = protlen;
return SSL_TLSEXT_ERR_OK;
}
}
return SSL_TLSEXT_ERR_NOACK;
}
/* Test that a PSK can be used to send early_data */
static int test_early_data_psk(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
SSL_SESSION *sess = NULL;
unsigned char alpnlist[] = {
0x08, 'g', 'o', 'o', 'd', 'a', 'l', 'p', 'n', 0x07, 'b', 'a', 'd', 'a',
'l', 'p', 'n'
};
#define GOODALPNLEN 9
#define BADALPNLEN 8
#define GOODALPN (alpnlist)
#define BADALPN (alpnlist + GOODALPNLEN)
int err = 0;
unsigned char buf[20];
size_t readbytes, written;
int readearlyres = SSL_READ_EARLY_DATA_SUCCESS, connectres = 1;
int edstatus = SSL_EARLY_DATA_ACCEPTED;
/* We always set this up with a final parameter of "2" for PSK */
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, &sess, 2)))
goto end;
servalpn = "goodalpn";
/*
* Note: There is no test for inconsistent SNI with late client detection.
* This is because servers do not acknowledge SNI even if they are using
* it in a resumption handshake - so it is not actually possible for a
* client to detect a problem.
*/
switch (idx) {
case 0:
/* Set inconsistent SNI (early client detection) */
err = SSL_R_INCONSISTENT_EARLY_DATA_SNI;
if (!TEST_true(SSL_SESSION_set1_hostname(sess, "goodhost"))
|| !TEST_true(SSL_set_tlsext_host_name(clientssl, "badhost")))
goto end;
break;
case 1:
/* Set inconsistent ALPN (early client detection) */
err = SSL_R_INCONSISTENT_EARLY_DATA_ALPN;
/* SSL_set_alpn_protos returns 0 for success and 1 for failure */
if (!TEST_true(SSL_SESSION_set1_alpn_selected(sess, GOODALPN,
GOODALPNLEN))
|| !TEST_false(SSL_set_alpn_protos(clientssl, BADALPN,
BADALPNLEN)))
goto end;
break;
case 2:
/*
* Set invalid protocol version. Technically this affects PSKs without
* early_data too, but we test it here because it is similar to the
* SNI/ALPN consistency tests.
*/
err = SSL_R_BAD_PSK;
if (!TEST_true(SSL_SESSION_set_protocol_version(sess, TLS1_2_VERSION)))
goto end;
break;
case 3:
/*
* Set inconsistent SNI (server detected). In this case the connection
* will succeed but reject early_data.
*/
SSL_SESSION_free(serverpsk);
serverpsk = SSL_SESSION_dup(clientpsk);
if (!TEST_ptr(serverpsk)
|| !TEST_true(SSL_SESSION_set1_hostname(serverpsk, "badhost")))
goto end;
edstatus = SSL_EARLY_DATA_REJECTED;
readearlyres = SSL_READ_EARLY_DATA_FINISH;
/* Fall through */
case 4:
/* Set consistent SNI */
if (!TEST_true(SSL_SESSION_set1_hostname(sess, "goodhost"))
|| !TEST_true(SSL_set_tlsext_host_name(clientssl, "goodhost"))
|| !TEST_true(SSL_CTX_set_tlsext_servername_callback(sctx,
hostname_cb)))
goto end;
break;
case 5:
/*
* Set inconsistent ALPN (server detected). In this case the connection
* will succeed but reject early_data.
*/
servalpn = "badalpn";
edstatus = SSL_EARLY_DATA_REJECTED;
readearlyres = SSL_READ_EARLY_DATA_FINISH;
/* Fall through */
case 6:
/*
* Set consistent ALPN.
* SSL_set_alpn_protos returns 0 for success and 1 for failure. It
* accepts a list of protos (each one length prefixed).
* SSL_set1_alpn_selected accepts a single protocol (not length
* prefixed)
*/
if (!TEST_true(SSL_SESSION_set1_alpn_selected(sess, GOODALPN + 1,
GOODALPNLEN - 1))
|| !TEST_false(SSL_set_alpn_protos(clientssl, GOODALPN,
GOODALPNLEN)))
goto end;
SSL_CTX_set_alpn_select_cb(sctx, alpn_select_cb, NULL);
break;
case 7:
/* Set inconsistent ALPN (late client detection) */
SSL_SESSION_free(serverpsk);
serverpsk = SSL_SESSION_dup(clientpsk);
if (!TEST_ptr(serverpsk)
|| !TEST_true(SSL_SESSION_set1_alpn_selected(clientpsk,
BADALPN + 1,
BADALPNLEN - 1))
|| !TEST_true(SSL_SESSION_set1_alpn_selected(serverpsk,
GOODALPN + 1,
GOODALPNLEN - 1))
|| !TEST_false(SSL_set_alpn_protos(clientssl, alpnlist,
sizeof(alpnlist))))
goto end;
SSL_CTX_set_alpn_select_cb(sctx, alpn_select_cb, NULL);
edstatus = SSL_EARLY_DATA_ACCEPTED;
readearlyres = SSL_READ_EARLY_DATA_SUCCESS;
/* SSL_connect() call should fail */
connectres = -1;
break;
default:
TEST_error("Bad test index");
goto end;
}
SSL_set_connect_state(clientssl);
if (err != 0) {
if (!TEST_false(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written))
|| !TEST_int_eq(SSL_get_error(clientssl, 0), SSL_ERROR_SSL)
|| !TEST_int_eq(ERR_GET_REASON(ERR_get_error()), err))
goto end;
} else {
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written)))
goto end;
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes), readearlyres)
|| (readearlyres == SSL_READ_EARLY_DATA_SUCCESS
&& !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1)))
|| !TEST_int_eq(SSL_get_early_data_status(serverssl), edstatus)
|| !TEST_int_eq(SSL_connect(clientssl), connectres))
goto end;
}
testresult = 1;
end:
SSL_SESSION_free(clientpsk);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
/*
* Test that a server that doesn't try to read early data can handle a
* client sending some.
*/
static int test_early_data_not_expected(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
SSL_SESSION *sess = NULL;
unsigned char buf[20];
size_t readbytes, written;
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, &sess, idx)))
goto end;
/* Write some early data */
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written)))
goto end;
/*
* Server should skip over early data and then block waiting for client to
* continue handshake
*/
if (!TEST_int_le(SSL_accept(serverssl), 0)
|| !TEST_int_gt(SSL_connect(clientssl), 0)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_REJECTED)
|| !TEST_int_gt(SSL_accept(serverssl), 0)
|| !TEST_int_eq(SSL_get_early_data_status(clientssl),
SSL_EARLY_DATA_REJECTED))
goto end;
/* Send some normal data from client to server */
if (!TEST_true(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written))
|| !TEST_size_t_eq(written, strlen(MSG2)))
goto end;
if (!TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2)))
goto end;
testresult = 1;
end:
/* If using PSK then clientpsk and sess are the same */
SSL_SESSION_free(sess);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
# ifndef OPENSSL_NO_TLS1_2
/*
* Test that a server attempting to read early data can handle a connection
* from a TLSv1.2 client.
*/
static int test_early_data_tls1_2(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
unsigned char buf[20];
size_t readbytes, written;
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, NULL, idx)))
goto end;
/* Write some data - should block due to handshake with server */
SSL_set_max_proto_version(clientssl, TLS1_2_VERSION);
SSL_set_connect_state(clientssl);
if (!TEST_false(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written)))
goto end;
/*
* Server should do TLSv1.2 handshake. First it will block waiting for more
* messages from client after ServerDone. Then SSL_read_early_data should
* finish and detect that early data has not been sent
*/
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_ERROR))
goto end;
/*
* Continue writing the message we started earlier. Will still block waiting
* for the CCS/Finished from server
*/
if (!TEST_false(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written))
|| !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_FINISH)
|| !TEST_size_t_eq(readbytes, 0)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_NOT_SENT))
goto end;
/* Continue writing the message we started earlier */
if (!TEST_true(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written))
|| !TEST_size_t_eq(written, strlen(MSG1))
|| !TEST_int_eq(SSL_get_early_data_status(clientssl),
SSL_EARLY_DATA_NOT_SENT)
|| !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))
|| !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1))
|| !TEST_true(SSL_write_ex(serverssl, MSG2, strlen(MSG2), &written))
|| !TEST_size_t_eq(written, strlen(MSG2))
|| !SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)
|| !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2)))
goto end;
testresult = 1;
end:
/* If using PSK then clientpsk and sess are the same */
SSL_SESSION_free(clientpsk);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
# endif /* OPENSSL_NO_TLS1_2 */
static int test_ciphersuite_change(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
SSL_SESSION *clntsess = NULL;
int testresult = 0;
const SSL_CIPHER *aes_128_gcm_sha256 = NULL;
/* Create a session based on SHA-256 */
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey))
|| !TEST_true(SSL_CTX_set_cipher_list(cctx,
"TLS13-AES-128-GCM-SHA256"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
clntsess = SSL_get1_session(clientssl);
/* Save for later */
aes_128_gcm_sha256 = SSL_SESSION_get0_cipher(clntsess);
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
# if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
/* Check we can resume a session with a different SHA-256 ciphersuite */
if (!TEST_true(SSL_CTX_set_cipher_list(cctx,
"TLS13-CHACHA20-POLY1305-SHA256"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, clntsess))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl)))
goto end;
SSL_SESSION_free(clntsess);
clntsess = SSL_get1_session(clientssl);
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
# endif
/*
* Check attempting to resume a SHA-256 session with no SHA-256 ciphersuites
* succeeds but does not resume.
*/
if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-AES-256-GCM-SHA384"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, clntsess))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_SSL))
|| !TEST_false(SSL_session_reused(clientssl)))
goto end;
SSL_SESSION_free(clntsess);
clntsess = NULL;
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
/* Create a session based on SHA384 */
if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-AES-256-GCM-SHA384"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
clntsess = SSL_get1_session(clientssl);
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
if (!TEST_true(SSL_CTX_set_cipher_list(cctx,
"TLS13-AES-128-GCM-SHA256:TLS13-AES-256-GCM-SHA384"))
|| !TEST_true(SSL_CTX_set_cipher_list(sctx,
"TLS13-AES-256-GCM-SHA384"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, clntsess))
/*
* We use SSL_ERROR_WANT_READ below so that we can pause the
* connection after the initial ClientHello has been sent to
* enable us to make some session changes.
*/
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_READ)))
goto end;
/* Trick the client into thinking this session is for a different digest */
clntsess->cipher = aes_128_gcm_sha256;
clntsess->cipher_id = clntsess->cipher->id;
/*
* Continue the previously started connection. Server has selected a SHA-384
* ciphersuite, but client thinks the session is for SHA-256, so it should
* bail out.
*/
if (!TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_SSL))
|| !TEST_int_eq(ERR_GET_REASON(ERR_get_error()),
SSL_R_CIPHERSUITE_DIGEST_HAS_CHANGED))
goto end;
testresult = 1;
end:
SSL_SESSION_free(clntsess);
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static int test_tls13_psk(void)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
SSL *serverssl = NULL, *clientssl = NULL;
const SSL_CIPHER *cipher = NULL;
const unsigned char key[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
};
int testresult = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
goto end;
SSL_CTX_set_psk_use_session_callback(cctx, use_session_cb);
SSL_CTX_set_psk_find_session_callback(sctx, find_session_cb);
srvid = pskid;
use_session_cb_cnt = 0;
find_session_cb_cnt = 0;
/* Check we can create a connection if callback decides not to send a PSK */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(SSL_session_reused(clientssl))
|| !TEST_false(SSL_session_reused(serverssl))
|| !TEST_true(use_session_cb_cnt == 1)
|| !TEST_true(find_session_cb_cnt == 0))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
use_session_cb_cnt = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL)))
goto end;
/* Create the PSK */
cipher = SSL_CIPHER_find(clientssl, TLS13_AES_256_GCM_SHA384_BYTES);
clientpsk = SSL_SESSION_new();
if (!TEST_ptr(clientpsk)
|| !TEST_ptr(cipher)
|| !TEST_true(SSL_SESSION_set1_master_key(clientpsk, key,
sizeof(key)))
|| !TEST_true(SSL_SESSION_set_cipher(clientpsk, cipher))
|| !TEST_true(SSL_SESSION_set_protocol_version(clientpsk,
TLS1_3_VERSION))
|| !TEST_true(SSL_SESSION_up_ref(clientpsk)))
goto end;
serverpsk = clientpsk;
/* Check we can create a connection and the PSK is used */
if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl))
|| !TEST_true(SSL_session_reused(serverssl))
|| !TEST_true(use_session_cb_cnt == 1)
|| !TEST_true(find_session_cb_cnt == 1))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
use_session_cb_cnt = find_session_cb_cnt = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL)))
goto end;
/* Force an HRR */
if (!TEST_true(SSL_set1_groups_list(serverssl, "P-256")))
goto end;
/*
* Check we can create a connection, the PSK is used and the callbacks are
* called twice.
*/
if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl))
|| !TEST_true(SSL_session_reused(serverssl))
|| !TEST_true(use_session_cb_cnt == 2)
|| !TEST_true(find_session_cb_cnt == 2))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
use_session_cb_cnt = find_session_cb_cnt = 0;
/*
* Check that if the server rejects the PSK we can still connect, but with
* a full handshake
*/
srvid = "Dummy Identity";
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(SSL_session_reused(clientssl))
|| !TEST_false(SSL_session_reused(serverssl))
|| !TEST_true(use_session_cb_cnt == 1)
|| !TEST_true(find_session_cb_cnt == 1))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
testresult = 1;
end:
SSL_SESSION_free(clientpsk);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static unsigned char cookie_magic_value[] = "cookie magic";
static int generate_cookie_callback(SSL *ssl, unsigned char *cookie,
unsigned int *cookie_len)
{
/*
* Not suitable as a real cookie generation function but good enough for
* testing!
*/
memcpy(cookie, cookie_magic_value, sizeof(cookie_magic_value) - 1);
*cookie_len = sizeof(cookie_magic_value) - 1;
return 1;
}
static int verify_cookie_callback(SSL *ssl, const unsigned char *cookie,
unsigned int cookie_len)
{
if (cookie_len == sizeof(cookie_magic_value) - 1
&& memcmp(cookie, cookie_magic_value, cookie_len) == 0)
return 1;
return 0;
}
static int test_stateless(void)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
SSL *serverssl = NULL, *clientssl = NULL;
int testresult = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
goto end;
/* Set up the cookie generation and verification callbacks */
SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_callback);
SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_callback);
/* The arrival of CCS messages can confuse the test */
SSL_CTX_clear_options(cctx, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
/* Send the first ClientHello */
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_READ))
/* This should fail because there is no cookie */
|| !TEST_false(SSL_stateless(serverssl)))
goto end;
/* Abandon the connection from this client */
SSL_free(clientssl);
clientssl = NULL;
/*
* Now create a connection from a new client but with the same server SSL
* object
*/
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
/* Send the first ClientHello */
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_READ))
/* This should fail because there is no cookie */
|| !TEST_false(SSL_stateless(serverssl))
/* Send the second ClientHello */
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_READ))
/* This should succeed because a cookie is now present */
|| !TEST_true(SSL_stateless(serverssl))
/* Complete the connection */
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif /* OPENSSL_NO_TLS1_3 */
static int clntaddoldcb = 0;
static int clntparseoldcb = 0;
static int srvaddoldcb = 0;
static int srvparseoldcb = 0;
static int clntaddnewcb = 0;
static int clntparsenewcb = 0;
static int srvaddnewcb = 0;
static int srvparsenewcb = 0;
static int snicb = 0;
#define TEST_EXT_TYPE1 0xff00
static int old_add_cb(SSL *s, unsigned int ext_type, const unsigned char **out,
size_t *outlen, int *al, void *add_arg)
{
int *server = (int *)add_arg;
unsigned char *data;
if (SSL_is_server(s))
srvaddoldcb++;
else
clntaddoldcb++;
if (*server != SSL_is_server(s)
|| (data = OPENSSL_malloc(sizeof(*data))) == NULL)
return -1;
*data = 1;
*out = data;
*outlen = sizeof(char);
return 1;
}
static void old_free_cb(SSL *s, unsigned int ext_type, const unsigned char *out,
void *add_arg)
{
OPENSSL_free((unsigned char *)out);
}
static int old_parse_cb(SSL *s, unsigned int ext_type, const unsigned char *in,
size_t inlen, int *al, void *parse_arg)
{
int *server = (int *)parse_arg;
if (SSL_is_server(s))
srvparseoldcb++;
else
clntparseoldcb++;
if (*server != SSL_is_server(s)
|| inlen != sizeof(char)
|| *in != 1)
return -1;
return 1;
}
static int new_add_cb(SSL *s, unsigned int ext_type, unsigned int context,
const unsigned char **out, size_t *outlen, X509 *x,
size_t chainidx, int *al, void *add_arg)
{
int *server = (int *)add_arg;
unsigned char *data;
if (SSL_is_server(s))
srvaddnewcb++;
else
clntaddnewcb++;
if (*server != SSL_is_server(s)
|| (data = OPENSSL_malloc(sizeof(*data))) == NULL)
return -1;
*data = 1;
*out = data;
*outlen = sizeof(*data);
return 1;
}
static void new_free_cb(SSL *s, unsigned int ext_type, unsigned int context,
const unsigned char *out, void *add_arg)
{
OPENSSL_free((unsigned char *)out);
}
static int new_parse_cb(SSL *s, unsigned int ext_type, unsigned int context,
const unsigned char *in, size_t inlen, X509 *x,
size_t chainidx, int *al, void *parse_arg)
{
int *server = (int *)parse_arg;
if (SSL_is_server(s))
srvparsenewcb++;
else
clntparsenewcb++;
if (*server != SSL_is_server(s)
|| inlen != sizeof(char) || *in != 1)
return -1;
return 1;
}
static int sni_cb(SSL *s, int *al, void *arg)
{
SSL_CTX *ctx = (SSL_CTX *)arg;
if (SSL_set_SSL_CTX(s, ctx) == NULL) {
*al = SSL_AD_INTERNAL_ERROR;
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
snicb++;
return SSL_TLSEXT_ERR_OK;
}
/*
* Custom call back tests.
* Test 0: Old style callbacks in TLSv1.2
* Test 1: New style callbacks in TLSv1.2
* Test 2: New style callbacks in TLSv1.2 with SNI
* Test 3: New style callbacks in TLSv1.3. Extensions in CH and EE
* Test 4: New style callbacks in TLSv1.3. Extensions in CH, SH, EE, Cert + NST
*/
static int test_custom_exts(int tst)
{
SSL_CTX *cctx = NULL, *sctx = NULL, *sctx2 = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
static int server = 1;
static int client = 0;
SSL_SESSION *sess = NULL;
unsigned int context;
#if defined(OPENSSL_NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_3)
/* Skip tests for TLSv1.2 and below in this case */
if (tst < 3)
return 1;
#endif
/* Reset callback counters */
clntaddoldcb = clntparseoldcb = srvaddoldcb = srvparseoldcb = 0;
clntaddnewcb = clntparsenewcb = srvaddnewcb = srvparsenewcb = 0;
snicb = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
goto end;
if (tst == 2
&& !TEST_true(create_ssl_ctx_pair(TLS_server_method(), NULL, &sctx2,
NULL, cert, privkey)))
goto end;
if (tst < 3) {
SSL_CTX_set_options(cctx, SSL_OP_NO_TLSv1_3);
SSL_CTX_set_options(sctx, SSL_OP_NO_TLSv1_3);
if (sctx2 != NULL)
SSL_CTX_set_options(sctx2, SSL_OP_NO_TLSv1_3);
}
if (tst == 4) {
context = SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| SSL_EXT_TLS1_3_CERTIFICATE
| SSL_EXT_TLS1_3_NEW_SESSION_TICKET;
} else {
context = SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS;
}
/* Create a client side custom extension */
if (tst == 0) {
if (!TEST_true(SSL_CTX_add_client_custom_ext(cctx, TEST_EXT_TYPE1,
old_add_cb, old_free_cb,
&client, old_parse_cb,
&client)))
goto end;
} else {
if (!TEST_true(SSL_CTX_add_custom_ext(cctx, TEST_EXT_TYPE1, context,
new_add_cb, new_free_cb,
&client, new_parse_cb, &client)))
goto end;
}
/* Should not be able to add duplicates */
if (!TEST_false(SSL_CTX_add_client_custom_ext(cctx, TEST_EXT_TYPE1,
old_add_cb, old_free_cb,
&client, old_parse_cb,
&client))
|| !TEST_false(SSL_CTX_add_custom_ext(cctx, TEST_EXT_TYPE1,
context, new_add_cb,
new_free_cb, &client,
new_parse_cb, &client)))
goto end;
/* Create a server side custom extension */
if (tst == 0) {
if (!TEST_true(SSL_CTX_add_server_custom_ext(sctx, TEST_EXT_TYPE1,
old_add_cb, old_free_cb,
&server, old_parse_cb,
&server)))
goto end;
} else {
if (!TEST_true(SSL_CTX_add_custom_ext(sctx, TEST_EXT_TYPE1, context,
new_add_cb, new_free_cb,
&server, new_parse_cb, &server)))
goto end;
if (sctx2 != NULL
&& !TEST_true(SSL_CTX_add_custom_ext(sctx2, TEST_EXT_TYPE1,
context, new_add_cb,
new_free_cb, &server,
new_parse_cb, &server)))
goto end;
}
/* Should not be able to add duplicates */
if (!TEST_false(SSL_CTX_add_server_custom_ext(sctx, TEST_EXT_TYPE1,
old_add_cb, old_free_cb,
&server, old_parse_cb,
&server))
|| !TEST_false(SSL_CTX_add_custom_ext(sctx, TEST_EXT_TYPE1,
context, new_add_cb,
new_free_cb, &server,
new_parse_cb, &server)))
goto end;
if (tst == 2) {
/* Set up SNI */
if (!TEST_true(SSL_CTX_set_tlsext_servername_callback(sctx, sni_cb))
|| !TEST_true(SSL_CTX_set_tlsext_servername_arg(sctx, sctx2)))
goto end;
}
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
if (tst == 0) {
if (clntaddoldcb != 1
|| clntparseoldcb != 1
|| srvaddoldcb != 1
|| srvparseoldcb != 1)
goto end;
} else if (tst == 1 || tst == 2 || tst == 3) {
if (clntaddnewcb != 1
|| clntparsenewcb != 1
|| srvaddnewcb != 1
|| srvparsenewcb != 1
|| (tst != 2 && snicb != 0)
|| (tst == 2 && snicb != 1))
goto end;
} else {
if (clntaddnewcb != 1
|| clntparsenewcb != 4
|| srvaddnewcb != 4
|| srvparsenewcb != 1)
goto end;
}
sess = SSL_get1_session(clientssl);
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
if (tst == 3) {
/* We don't bother with the resumption aspects for this test */
testresult = 1;
goto end;
}
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, sess))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
/*
* For a resumed session we expect to add the ClientHello extension. For the
* old style callbacks we ignore it on the server side because they set
* SSL_EXT_IGNORE_ON_RESUMPTION. The new style callbacks do not ignore
* them.
*/
if (tst == 0) {
if (clntaddoldcb != 2
|| clntparseoldcb != 1
|| srvaddoldcb != 1
|| srvparseoldcb != 1)
goto end;
} else if (tst == 1 || tst == 2 || tst == 3) {
if (clntaddnewcb != 2
|| clntparsenewcb != 2
|| srvaddnewcb != 2
|| srvparsenewcb != 2)
goto end;
} else {
/* No Certificate message extensions in the resumption handshake */
if (clntaddnewcb != 2
|| clntparsenewcb != 7
|| srvaddnewcb != 7
|| srvparsenewcb != 2)
goto end;
}
testresult = 1;
end:
SSL_SESSION_free(sess);
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx2);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
/*
* Test loading of serverinfo data in various formats. test_sslmessages actually
* tests to make sure the extensions appear in the handshake
*/
static int test_serverinfo(int tst)
{
unsigned int version;
unsigned char *sibuf;
size_t sibuflen;
int ret, expected, testresult = 0;
SSL_CTX *ctx;
ctx = SSL_CTX_new(TLS_method());
if (!TEST_ptr(ctx))
goto end;
if ((tst & 0x01) == 0x01)
version = SSL_SERVERINFOV2;
else
version = SSL_SERVERINFOV1;
if ((tst & 0x02) == 0x02) {
sibuf = serverinfov2;
sibuflen = sizeof(serverinfov2);
expected = (version == SSL_SERVERINFOV2);
} else {
sibuf = serverinfov1;
sibuflen = sizeof(serverinfov1);
expected = (version == SSL_SERVERINFOV1);
}
if ((tst & 0x04) == 0x04) {
ret = SSL_CTX_use_serverinfo_ex(ctx, version, sibuf, sibuflen);
} else {
ret = SSL_CTX_use_serverinfo(ctx, sibuf, sibuflen);
/*
* The version variable is irrelevant in this case - it's what is in the
* buffer that matters
*/
if ((tst & 0x02) == 0x02)
expected = 0;
else
expected = 1;
}
if (!TEST_true(ret == expected))
goto end;
testresult = 1;
end:
SSL_CTX_free(ctx);
return testresult;
}
/*
* Test that SSL_export_keying_material() produces expected results. There are
* no test vectors so all we do is test that both sides of the communication
* produce the same results for different protocol versions.
*/
static int test_export_key_mat(int tst)
{
int testresult = 0;
SSL_CTX *cctx = NULL, *sctx = NULL, *sctx2 = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
const char label[] = "test label";
const unsigned char context[] = "context";
const unsigned char *emptycontext = NULL;
unsigned char ckeymat1[80], ckeymat2[80], ckeymat3[80];
unsigned char skeymat1[80], skeymat2[80], skeymat3[80];
const int protocols[] = {
TLS1_VERSION,
TLS1_1_VERSION,
TLS1_2_VERSION,
TLS1_3_VERSION
};
#ifdef OPENSSL_NO_TLS1
if (tst == 0)
return 1;
#endif
#ifdef OPENSSL_NO_TLS1_1
if (tst == 1)
return 1;
#endif
#ifdef OPENSSL_NO_TLS1_2
if (tst == 2)
return 1;
#endif
#ifdef OPENSSL_NO_TLS1_3
if (tst == 3)
return 1;
#endif
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey)))
goto end;
OPENSSL_assert(tst >= 0 && (size_t)tst < OSSL_NELEM(protocols));
SSL_CTX_set_max_proto_version(cctx, protocols[tst]);
SSL_CTX_set_min_proto_version(cctx, protocols[tst]);
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL,
NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
if (!TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat1,
sizeof(ckeymat1), label,
sizeof(label) - 1, context,
sizeof(context) - 1, 1), 1)
|| !TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat2,
sizeof(ckeymat2), label,
sizeof(label) - 1,
emptycontext,
0, 1), 1)
|| !TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat3,
sizeof(ckeymat3), label,
sizeof(label) - 1,
NULL, 0, 0), 1)
|| !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat1,
sizeof(skeymat1), label,
sizeof(label) - 1,
context,
sizeof(context) -1, 1),
1)
|| !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat2,
sizeof(skeymat2), label,
sizeof(label) - 1,
emptycontext,
0, 1), 1)
|| !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat3,
sizeof(skeymat3), label,
sizeof(label) - 1,
NULL, 0, 0), 1)
/*
* Check that both sides created the same key material with the
* same context.
*/
|| !TEST_mem_eq(ckeymat1, sizeof(ckeymat1), skeymat1,
sizeof(skeymat1))
/*
* Check that both sides created the same key material with an
* empty context.
*/
|| !TEST_mem_eq(ckeymat2, sizeof(ckeymat2), skeymat2,
sizeof(skeymat2))
/*
* Check that both sides created the same key material without a
* context.
*/
|| !TEST_mem_eq(ckeymat3, sizeof(ckeymat3), skeymat3,
sizeof(skeymat3))
/* Different contexts should produce different results */
|| !TEST_mem_ne(ckeymat1, sizeof(ckeymat1), ckeymat2,
sizeof(ckeymat2)))
goto end;
/*
* Check that an empty context and no context produce different results in
* protocols less than TLSv1.3. In TLSv1.3 they should be the same.
*/
if ((tst != 3 && !TEST_mem_ne(ckeymat2, sizeof(ckeymat2), ckeymat3,
sizeof(ckeymat3)))
|| (tst ==3 && !TEST_mem_eq(ckeymat2, sizeof(ckeymat2), ckeymat3,
sizeof(ckeymat3))))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx2);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static int test_ssl_clear(int idx)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
#ifdef OPENSSL_NO_TLS1_2
if (idx == 1)
return 1;
#endif
/* Create an initial connection */
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(), &sctx,
&cctx, cert, privkey))
|| (idx == 1
&& !TEST_true(SSL_CTX_set_max_proto_version(cctx,
TLS1_2_VERSION)))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
serverssl = NULL;
/* Clear clientssl - we're going to reuse the object */
if (!TEST_true(SSL_clear(clientssl)))
goto end;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl)))
goto end;
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
/* Parse CH and retrieve any MFL extension value if present */
static int get_MFL_from_client_hello(BIO *bio, int *mfl_codemfl_code)
{
long len;
unsigned char *data;
PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0};
unsigned int MFL_code = 0, type = 0;
if (!TEST_uint_gt( len = BIO_get_mem_data( bio, (char **) &data ), 0 ) )
goto end;
if (!TEST_true( PACKET_buf_init( &pkt, data, len ) )
/* Skip the record header */
|| !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH)
/* Skip the handshake message header */
|| !TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH))
/* Skip client version and random */
|| !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN
+ SSL3_RANDOM_SIZE))
/* Skip session id */
|| !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))
/* Skip ciphers */
|| !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2))
/* Skip compression */
|| !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))
/* Extensions len */
|| !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2)))
goto end;
/* Loop through all extensions */
while (PACKET_remaining(&pkt2)) {
if (!TEST_true(PACKET_get_net_2(&pkt2, &type))
|| !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3)))
goto end;
if (type == TLSEXT_TYPE_max_fragment_length) {
if (!TEST_uint_ne(PACKET_remaining(&pkt3), 0)
|| !TEST_true(PACKET_get_1(&pkt3, &MFL_code)))
goto end;
*mfl_codemfl_code = MFL_code;
return 1;
}
}
end:
return 0;
}
/* Maximum-Fragment-Length TLS extension mode to test */
static const unsigned char max_fragment_len_test[] = {
TLSEXT_max_fragment_length_512,
TLSEXT_max_fragment_length_1024,
TLSEXT_max_fragment_length_2048,
TLSEXT_max_fragment_length_4096
};
static int test_max_fragment_len_ext(int idx_tst)
{
SSL_CTX *ctx;
SSL *con = NULL;
int testresult = 0, MFL_mode = 0;
BIO *rbio, *wbio;
ctx = SSL_CTX_new(TLS_method());
if (!TEST_ptr(ctx))
goto end;
if (!TEST_true(SSL_CTX_set_tlsext_max_fragment_length(
ctx, max_fragment_len_test[idx_tst])))
goto end;
con = SSL_new(ctx);
if (!TEST_ptr(con))
goto end;
rbio = BIO_new(BIO_s_mem());
wbio = BIO_new(BIO_s_mem());
if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) {
BIO_free(rbio);
BIO_free(wbio);
goto end;
}
SSL_set_bio(con, rbio, wbio);
SSL_set_connect_state(con);
if (!TEST_int_le(SSL_connect(con), 0)) {
/* This shouldn't succeed because we don't have a server! */
goto end;
}
if (!TEST_true(get_MFL_from_client_hello(wbio, &MFL_mode)))
/* no MFL in client hello */
goto end;
if (!TEST_true(max_fragment_len_test[idx_tst] == MFL_mode))
goto end;
testresult = 1;
end:
SSL_free(con);
SSL_CTX_free(ctx);
return testresult;
}
#ifndef OPENSSL_NO_TLS1_3
static int test_pha_key_update(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(),
&sctx, &cctx, cert, privkey)))
return 0;
if (!TEST_true(SSL_CTX_set_min_proto_version(sctx, TLS1_3_VERSION))
|| !TEST_true(SSL_CTX_set_max_proto_version(sctx, TLS1_3_VERSION))
|| !TEST_true(SSL_CTX_set_min_proto_version(cctx, TLS1_3_VERSION))
|| !TEST_true(SSL_CTX_set_max_proto_version(cctx, TLS1_3_VERSION)))
goto end;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL)))
goto end;
SSL_force_post_handshake_auth(clientssl);
if (!TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
SSL_set_verify(serverssl, SSL_VERIFY_PEER, NULL);
if (!TEST_true(SSL_verify_client_post_handshake(serverssl)))
goto end;
if (!TEST_true(SSL_key_update(clientssl, SSL_KEY_UPDATE_NOT_REQUESTED)))
goto end;
/* Start handshake on the server */
if (!TEST_int_eq(SSL_do_handshake(serverssl), 1))
goto end;
/* Starts with SSL_connect(), but it's really just SSL_do_handshake() */
if (!TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
int setup_tests(void)
{
if (!TEST_ptr(cert = test_get_argument(0))
|| !TEST_ptr(privkey = test_get_argument(1)))
return 0;
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);
#if !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3)
ADD_ALL_TESTS(test_set_sigalgs, OSSL_NELEM(testsigalgs) * 2);
ADD_TEST(test_keylog);
#endif
#ifndef OPENSSL_NO_TLS1_3
ADD_TEST(test_keylog_no_master_key);
#endif
#ifndef OPENSSL_NO_TLS1_2
ADD_TEST(test_client_hello_cb);
#endif
#ifndef OPENSSL_NO_TLS1_3
ADD_ALL_TESTS(test_early_data_read_write, 3);
ADD_ALL_TESTS(test_early_data_skip, 3);
ADD_ALL_TESTS(test_early_data_skip_hrr, 3);
ADD_ALL_TESTS(test_early_data_not_sent, 3);
ADD_ALL_TESTS(test_early_data_psk, 8);
ADD_ALL_TESTS(test_early_data_not_expected, 3);
# ifndef OPENSSL_NO_TLS1_2
ADD_ALL_TESTS(test_early_data_tls1_2, 3);
# endif
#endif
#ifndef OPENSSL_NO_TLS1_3
ADD_TEST(test_ciphersuite_change);
ADD_TEST(test_tls13_psk);
ADD_ALL_TESTS(test_custom_exts, 5);
ADD_TEST(test_stateless);
ADD_TEST(test_pha_key_update);
#else
ADD_ALL_TESTS(test_custom_exts, 3);
#endif
ADD_ALL_TESTS(test_serverinfo, 8);
ADD_ALL_TESTS(test_export_key_mat, 4);
ADD_ALL_TESTS(test_ssl_clear, 2);
ADD_ALL_TESTS(test_max_fragment_len_ext, OSSL_NELEM(max_fragment_len_test));
return 1;
}
void cleanup_tests(void)
{
bio_s_mempacket_test_free();
}
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