/*
- * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
#include <openssl/ssl.h>
#include <openssl/err.h>
-#include "ssltestlib.h"
+#include "helpers/ssltestlib.h"
#include "testutil.h"
static char *cert = NULL;
#define RECORD_SEQUENCE 10
+static const char dummy_cookie[] = "0123456";
+
+static int generate_cookie_cb(SSL *ssl, unsigned char *cookie,
+ unsigned int *cookie_len)
+{
+ memcpy(cookie, dummy_cookie, sizeof(dummy_cookie));
+ *cookie_len = sizeof(dummy_cookie);
+ return 1;
+}
+
+static int verify_cookie_cb(SSL *ssl, const unsigned char *cookie,
+ unsigned int cookie_len)
+{
+ return TEST_mem_eq(cookie, cookie_len, dummy_cookie, sizeof(dummy_cookie));
+}
+
static unsigned int timer_cb(SSL *s, unsigned int timer_us)
{
++timer_cb_count;
&sctx, &cctx, cert, privkey)))
return 0;
+#ifndef OPENSSL_NO_DTLS1_2
if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
goto end;
+#else
+ /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "AES128-SHA:@SECLEVEL=0"))
+ || !TEST_true(SSL_CTX_set_cipher_list(cctx,
+ "AES128-SHA:@SECLEVEL=0")))
+ goto end;
+#endif
c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
if (!TEST_ptr(c_to_s_fbio))
* they will fail to decrypt.
*/
if (!TEST_true(create_bare_ssl_connection(serverssl1, clientssl1,
- SSL_ERROR_NONE, 0)))
+ SSL_ERROR_NONE, 0, 0)))
goto end;
if (timer_cb_count == 0) {
return testresult;
}
+/* One record for the cookieless initial ClientHello */
+#define CLI_TO_SRV_COOKIE_EXCH 1
+
+/*
+ * In a resumption handshake we use 2 records for the initial ClientHello in
+ * this test because we are using a very small MTU and the ClientHello is
+ * bigger than in the non resumption case.
+ */
+#define CLI_TO_SRV_RESUME_COOKIE_EXCH 2
+#define SRV_TO_CLI_COOKIE_EXCH 1
+
#define CLI_TO_SRV_EPOCH_0_RECS 3
#define CLI_TO_SRV_EPOCH_1_RECS 1
#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
#endif
#define SRV_TO_CLI_EPOCH_1_RECS 1
#define TOTAL_FULL_HAND_RECORDS \
- (CLI_TO_SRV_EPOCH_0_RECS + CLI_TO_SRV_EPOCH_1_RECS + \
+ (CLI_TO_SRV_COOKIE_EXCH + SRV_TO_CLI_COOKIE_EXCH + \
+ CLI_TO_SRV_EPOCH_0_RECS + CLI_TO_SRV_EPOCH_1_RECS + \
SRV_TO_CLI_EPOCH_0_RECS + SRV_TO_CLI_EPOCH_1_RECS)
#define CLI_TO_SRV_RESUME_EPOCH_0_RECS 3
#define SRV_TO_CLI_RESUME_EPOCH_0_RECS 2
#define SRV_TO_CLI_RESUME_EPOCH_1_RECS 1
#define TOTAL_RESUME_HAND_RECORDS \
- (CLI_TO_SRV_RESUME_EPOCH_0_RECS + CLI_TO_SRV_RESUME_EPOCH_1_RECS + \
+ (CLI_TO_SRV_RESUME_COOKIE_EXCH + SRV_TO_CLI_COOKIE_EXCH + \
+ CLI_TO_SRV_RESUME_EPOCH_0_RECS + CLI_TO_SRV_RESUME_EPOCH_1_RECS + \
SRV_TO_CLI_RESUME_EPOCH_0_RECS + SRV_TO_CLI_RESUME_EPOCH_1_RECS)
#define TOTAL_RECORDS (TOTAL_FULL_HAND_RECORDS + TOTAL_RESUME_HAND_RECORDS)
+/*
+ * We are assuming a ServerKeyExchange message is sent in this test. If we don't
+ * have either DH or EC, then it won't be
+ */
+#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC)
static int test_dtls_drop_records(int idx)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
int testresult = 0;
int epoch = 0;
SSL_SESSION *sess = NULL;
- int cli_to_srv_epoch0, cli_to_srv_epoch1, srv_to_cli_epoch0;
+ int cli_to_srv_cookie, cli_to_srv_epoch0, cli_to_srv_epoch1;
+ int srv_to_cli_epoch0;
if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
DTLS_client_method(),
&sctx, &cctx, cert, privkey)))
return 0;
+#ifdef OPENSSL_NO_DTLS1_2
+ /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
+ || !TEST_true(SSL_CTX_set_cipher_list(cctx,
+ "DEFAULT:@SECLEVEL=0")))
+ goto end;
+#endif
+
+ if (!TEST_true(SSL_CTX_set_dh_auto(sctx, 1)))
+ goto end;
+
+ SSL_CTX_set_options(sctx, SSL_OP_COOKIE_EXCHANGE);
+ SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
+ SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
+
if (idx >= TOTAL_FULL_HAND_RECORDS) {
/* We're going to do a resumption handshake. Get a session first. */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
cli_to_srv_epoch0 = CLI_TO_SRV_RESUME_EPOCH_0_RECS;
cli_to_srv_epoch1 = CLI_TO_SRV_RESUME_EPOCH_1_RECS;
srv_to_cli_epoch0 = SRV_TO_CLI_RESUME_EPOCH_0_RECS;
+ cli_to_srv_cookie = CLI_TO_SRV_RESUME_COOKIE_EXCH;
idx -= TOTAL_FULL_HAND_RECORDS;
} else {
cli_to_srv_epoch0 = CLI_TO_SRV_EPOCH_0_RECS;
cli_to_srv_epoch1 = CLI_TO_SRV_EPOCH_1_RECS;
srv_to_cli_epoch0 = SRV_TO_CLI_EPOCH_0_RECS;
+ cli_to_srv_cookie = CLI_TO_SRV_COOKIE_EXCH;
}
c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
DTLS_set_timer_cb(serverssl, timer_cb);
/* Work out which record to drop based on the test number */
- if (idx >= cli_to_srv_epoch0 + cli_to_srv_epoch1) {
+ if (idx >= cli_to_srv_cookie + cli_to_srv_epoch0 + cli_to_srv_epoch1) {
mempackbio = SSL_get_wbio(serverssl);
- idx -= cli_to_srv_epoch0 + cli_to_srv_epoch1;
- if (idx >= srv_to_cli_epoch0) {
+ idx -= cli_to_srv_cookie + cli_to_srv_epoch0 + cli_to_srv_epoch1;
+ if (idx >= SRV_TO_CLI_COOKIE_EXCH + srv_to_cli_epoch0) {
epoch = 1;
- idx -= srv_to_cli_epoch0;
+ idx -= SRV_TO_CLI_COOKIE_EXCH + srv_to_cli_epoch0;
}
} else {
mempackbio = SSL_get_wbio(clientssl);
- if (idx >= cli_to_srv_epoch0) {
+ if (idx >= cli_to_srv_cookie + cli_to_srv_epoch0) {
epoch = 1;
- idx -= cli_to_srv_epoch0;
+ idx -= cli_to_srv_cookie + cli_to_srv_epoch0;
}
mempackbio = BIO_next(mempackbio);
}
return testresult;
}
-
-static const char dummy_cookie[] = "0123456";
-
-static int generate_cookie_cb(SSL *ssl, unsigned char *cookie,
- unsigned int *cookie_len)
-{
- memcpy(cookie, dummy_cookie, sizeof(dummy_cookie));
- *cookie_len = sizeof(dummy_cookie);
- return 1;
-}
-
-static int verify_cookie_cb(SSL *ssl, const unsigned char *cookie,
- unsigned int cookie_len)
-{
- return TEST_mem_eq(cookie, cookie_len, dummy_cookie, sizeof(dummy_cookie));
-}
+#endif /* !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC) */
static int test_cookie(void)
{
SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
+#ifdef OPENSSL_NO_DTLS1_2
+ /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
+ || !TEST_true(SSL_CTX_set_cipher_list(cctx,
+ "DEFAULT:@SECLEVEL=0")))
+ goto end;
+#endif
+
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
&sctx, &cctx, cert, privkey)))
return 0;
+#ifdef OPENSSL_NO_DTLS1_2
+ /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
+ || !TEST_true(SSL_CTX_set_cipher_list(cctx,
+ "DEFAULT:@SECLEVEL=0")))
+ goto end;
+#endif
+
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL)))
goto end;
return testresult;
}
+/*
+ * Test just sending a Finished message as the first message. Should fail due
+ * to an unexpected message.
+ */
+static int test_just_finished(void)
+{
+ int testresult = 0, ret;
+ SSL_CTX *sctx = NULL;
+ SSL *serverssl = NULL;
+ BIO *rbio = NULL, *wbio = NULL, *sbio = NULL;
+ unsigned char buf[] = {
+ /* Record header */
+ SSL3_RT_HANDSHAKE, /* content type */
+ (DTLS1_2_VERSION >> 8) & 0xff, /* protocol version hi byte */
+ DTLS1_2_VERSION & 0xff, /* protocol version lo byte */
+ 0, 0, /* epoch */
+ 0, 0, 0, 0, 0, 0, /* record sequence */
+ 0, DTLS1_HM_HEADER_LENGTH + SHA_DIGEST_LENGTH, /* record length */
+
+ /* Message header */
+ SSL3_MT_FINISHED, /* message type */
+ 0, 0, SHA_DIGEST_LENGTH, /* message length */
+ 0, 0, /* message sequence */
+ 0, 0, 0, /* fragment offset */
+ 0, 0, SHA_DIGEST_LENGTH, /* fragment length */
+
+ /* Message body */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ };
+
+
+ if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
+ NULL, 0, 0,
+ &sctx, NULL, cert, privkey)))
+ return 0;
+
+#ifdef OPENSSL_NO_DTLS1_2
+ /* DTLSv1 is not allowed at the default security level */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0")))
+ goto end;
+#endif
+
+ serverssl = SSL_new(sctx);
+ rbio = BIO_new(BIO_s_mem());
+ wbio = BIO_new(BIO_s_mem());
+
+ if (!TEST_ptr(serverssl) || !TEST_ptr(rbio) || !TEST_ptr(wbio))
+ goto end;
+
+ sbio = rbio;
+ SSL_set0_rbio(serverssl, rbio);
+ SSL_set0_wbio(serverssl, wbio);
+ rbio = wbio = NULL;
+ DTLS_set_timer_cb(serverssl, timer_cb);
+
+ if (!TEST_int_eq(BIO_write(sbio, buf, sizeof(buf)), sizeof(buf)))
+ goto end;
+
+ /* We expect the attempt to process the message to fail */
+ if (!TEST_int_le(ret = SSL_accept(serverssl), 0))
+ goto end;
+
+ /* Check that we got the error we were expecting */
+ if (!TEST_int_eq(SSL_get_error(serverssl, ret), SSL_ERROR_SSL))
+ goto end;
+
+ if (!TEST_int_eq(ERR_GET_REASON(ERR_get_error()), SSL_R_UNEXPECTED_MESSAGE))
+ goto end;
+
+ testresult = 1;
+ end:
+ BIO_free(rbio);
+ BIO_free(wbio);
+ SSL_free(serverssl);
+ SSL_CTX_free(sctx);
+
+ return testresult;
+}
+
+/*
+ * Test that swapping later records before Finished or CCS still works
+ * Test 0: Test receiving a handshake record early from next epoch on server side
+ * Test 1: Test receiving a handshake record early from next epoch on client side
+ * Test 2: Test receiving an app data record early from next epoch on client side
+ * Test 3: Test receiving an app data before Finished on client side
+ */
+static int test_swap_records(int idx)
+{
+ SSL_CTX *sctx = NULL, *cctx = NULL;
+ SSL *sssl = NULL, *cssl = NULL;
+ int testresult = 0;
+ BIO *bio;
+ char msg[] = { 0x00, 0x01, 0x02, 0x03 };
+ char buf[10];
+
+ if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
+ DTLS_client_method(),
+ DTLS1_VERSION, 0,
+ &sctx, &cctx, cert, privkey)))
+ return 0;
+
+#ifndef OPENSSL_NO_DTLS1_2
+ if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
+ goto end;
+#else
+ /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "AES128-SHA:@SECLEVEL=0"))
+ || !TEST_true(SSL_CTX_set_cipher_list(cctx,
+ "AES128-SHA:@SECLEVEL=0")))
+ goto end;
+#endif
+
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &sssl, &cssl,
+ NULL, NULL)))
+ goto end;
+
+ /* Send flight 1: ClientHello */
+ if (!TEST_int_le(SSL_connect(cssl), 0))
+ goto end;
+
+ /* Recv flight 1, send flight 2: ServerHello, Certificate, ServerHelloDone */
+ if (!TEST_int_le(SSL_accept(sssl), 0))
+ goto end;
+
+ /* Recv flight 2, send flight 3: ClientKeyExchange, CCS, Finished */
+ if (!TEST_int_le(SSL_connect(cssl), 0))
+ goto end;
+
+ if (idx == 0) {
+ /* Swap Finished and CCS within the datagram */
+ bio = SSL_get_wbio(cssl);
+ if (!TEST_ptr(bio)
+ || !TEST_true(mempacket_swap_epoch(bio)))
+ goto end;
+ }
+
+ /* Recv flight 3, send flight 4: datagram 0(NST, CCS) datagram 1(Finished) */
+ if (!TEST_int_gt(SSL_accept(sssl), 0))
+ goto end;
+
+ /* Send flight 4 (cont'd): datagram 2(app data) */
+ if (!TEST_int_eq(SSL_write(sssl, msg, sizeof(msg)), (int)sizeof(msg)))
+ goto end;
+
+ bio = SSL_get_wbio(sssl);
+ if (!TEST_ptr(bio))
+ goto end;
+ if (idx == 1) {
+ /* Finished comes before NST/CCS */
+ if (!TEST_true(mempacket_move_packet(bio, 0, 1)))
+ goto end;
+ } else if (idx == 2) {
+ /* App data comes before NST/CCS */
+ if (!TEST_true(mempacket_move_packet(bio, 0, 2)))
+ goto end;
+ } else if (idx == 3) {
+ /* App data comes before Finished */
+ bio = SSL_get_wbio(sssl);
+ if (!TEST_true(mempacket_move_packet(bio, 1, 2)))
+ goto end;
+ }
+
+ /*
+ * Recv flight 4 (datagram 1): NST, CCS, + flight 5: app data
+ * + flight 4 (datagram 2): Finished
+ */
+ if (!TEST_int_gt(SSL_connect(cssl), 0))
+ goto end;
+
+ if (idx == 0 || idx == 1) {
+ /* App data was not received early, so it should not be pending */
+ if (!TEST_int_eq(SSL_pending(cssl), 0)
+ || !TEST_false(SSL_has_pending(cssl)))
+ goto end;
+
+ } else {
+ /* We received the app data early so it should be buffered already */
+ if (!TEST_int_eq(SSL_pending(cssl), (int)sizeof(msg))
+ || !TEST_true(SSL_has_pending(cssl)))
+ goto end;
+ }
+
+ /*
+ * Recv flight 5 (app data)
+ */
+ if (!TEST_int_eq(SSL_read(cssl, buf, sizeof(buf)), (int)sizeof(msg)))
+ goto end;
+
+ testresult = 1;
+ end:
+ SSL_free(cssl);
+ SSL_free(sssl);
+ SSL_CTX_free(cctx);
+ SSL_CTX_free(sctx);
+
+ return testresult;
+}
+
+/* Confirm that we can create a connections using DTLSv1_listen() */
+static int test_listen(void)
+{
+ SSL_CTX *sctx = NULL, *cctx = NULL;
+ SSL *serverssl = NULL, *clientssl = NULL;
+ int testresult = 0;
+
+ if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
+ DTLS_client_method(),
+ DTLS1_VERSION, 0,
+ &sctx, &cctx, cert, privkey)))
+ return 0;
+
+#ifdef OPENSSL_NO_DTLS1_2
+ /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
+ if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
+ || !TEST_true(SSL_CTX_set_cipher_list(cctx,
+ "DEFAULT:@SECLEVEL=0")))
+ goto end;
+#endif
+
+ SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
+ SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
+
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL)))
+ goto end;
+
+ DTLS_set_timer_cb(clientssl, timer_cb);
+ DTLS_set_timer_cb(serverssl, timer_cb);
+
+ /*
+ * The last parameter to create_bare_ssl_connection() requests that
+ * DTLSv1_listen() is used.
+ */
+ if (!TEST_true(create_bare_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE, 1, 1)))
+ goto end;
+
+ testresult = 1;
+ end:
+ SSL_free(serverssl);
+ SSL_free(clientssl);
+ SSL_CTX_free(sctx);
+ SSL_CTX_free(cctx);
+
+ return testresult;
+}
+
OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
int setup_tests(void)
return 0;
ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
+#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC)
ADD_ALL_TESTS(test_dtls_drop_records, TOTAL_RECORDS);
+#endif
ADD_TEST(test_cookie);
ADD_TEST(test_dtls_duplicate_records);
+ ADD_TEST(test_just_finished);
+ ADD_ALL_TESTS(test_swap_records, 4);
+ ADD_TEST(test_listen);
return 1;
}
projects / openssl.git / blobdiff