/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2019 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
* https://www.openssl.org/source/license.html
*/
+#include <string.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/ssl.h>
static char *cert = NULL;
static char *privkey = NULL;
+static unsigned int timer_cb_count;
#define NUM_TESTS 2
#define DUMMY_CERT_STATUS_LEN 12
-unsigned char certstatus[] = {
+static unsigned char certstatus[] = {
SSL3_RT_HANDSHAKE, /* Content type */
0xfe, 0xfd, /* Record version */
0, 1, /* Epoch */
#define RECORD_SEQUENCE 10
+static unsigned int timer_cb(SSL *s, unsigned int timer_us)
+{
+ ++timer_cb_count;
+
+ if (timer_us == 0)
+ return 50000;
+ else
+ return 2 * timer_us;
+}
+
static int test_dtls_unprocessed(int testidx)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
BIO *c_to_s_fbio, *c_to_s_mempacket;
int testresult = 0;
- printf("Starting Test %d\n", testidx);
+ timer_cb_count = 0;
- if (!create_ssl_ctx_pair(DTLS_server_method(), DTLS_client_method(), &sctx,
- &cctx, cert, privkey)) {
- printf("Unable to create SSL_CTX pair\n");
+ if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+ DTLS_client_method(),
+ DTLS1_VERSION, DTLS_MAX_VERSION,
+ &sctx, &cctx, cert, privkey)))
return 0;
- }
- if (!SSL_CTX_set_cipher_list(cctx, "ECDHE-RSA-AES256-SHA384")) {
- printf("Failed setting cipher list\n");
- }
+ if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
+ goto end;
c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
- if (c_to_s_fbio == NULL) {
- printf("Failed to create filter BIO\n");
+ if (!TEST_ptr(c_to_s_fbio))
goto end;
- }
/* BIO is freed by create_ssl_connection on error */
- if (!create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL,
- c_to_s_fbio)) {
- printf("Unable to create SSL objects\n");
- ERR_print_errors_fp(stdout);
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1,
+ NULL, c_to_s_fbio)))
goto end;
- }
+
+ DTLS_set_timer_cb(clientssl1, timer_cb);
if (testidx == 1)
certstatus[RECORD_SEQUENCE] = 0xff;
/*
* Inject a dummy record from the next epoch. In test 0, this should never
* get used because the message sequence number is too big. In test 1 we set
- * the record sequence number to be way off in the future. This should not
- * have an impact on the record replay protection because the record should
- * be dropped before it is marked as arrived
+ * the record sequence number to be way off in the future.
*/
c_to_s_mempacket = SSL_get_wbio(clientssl1);
c_to_s_mempacket = BIO_next(c_to_s_mempacket);
mempacket_test_inject(c_to_s_mempacket, (char *)certstatus,
sizeof(certstatus), 1, INJECT_PACKET_IGNORE_REC_SEQ);
- if (!create_ssl_connection(serverssl1, clientssl1)) {
- printf("Unable to create SSL connection\n");
- ERR_print_errors_fp(stdout);
+ /*
+ * Create the connection. We use "create_bare_ssl_connection" here so that
+ * we can force the connection to not do "SSL_read" once partly conencted.
+ * We don't want to accidentally read the dummy records we injected because
+ * they will fail to decrypt.
+ */
+ if (!TEST_true(create_bare_ssl_connection(serverssl1, clientssl1,
+ SSL_ERROR_NONE, 0)))
+ goto end;
+
+ if (timer_cb_count == 0) {
+ printf("timer_callback was not called.\n");
goto end;
}
return testresult;
}
-int main(int argc, char *argv[])
+#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)
+# define SRV_TO_CLI_EPOCH_0_RECS 12
+#else
+/*
+ * In this case we have no ServerKeyExchange message, because we don't have
+ * ECDHE or DHE. When it is present it gets fragmented into 3 records in this
+ * test.
+ */
+# define SRV_TO_CLI_EPOCH_0_RECS 9
+#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 + \
+ SRV_TO_CLI_EPOCH_0_RECS + SRV_TO_CLI_EPOCH_1_RECS)
+
+#define CLI_TO_SRV_RESUME_EPOCH_0_RECS 3
+#define CLI_TO_SRV_RESUME_EPOCH_1_RECS 1
+#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 + \
+ 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)
+
+static int test_dtls_drop_records(int idx)
{
- BIO *err = NULL;
- int testresult = 1;
+ SSL_CTX *sctx = NULL, *cctx = NULL;
+ SSL *serverssl = NULL, *clientssl = NULL;
+ BIO *c_to_s_fbio, *mempackbio;
+ int testresult = 0;
+ int epoch = 0;
+ SSL_SESSION *sess = NULL;
+ int cli_to_srv_epoch0, cli_to_srv_epoch1, srv_to_cli_epoch0;
+
+ if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+ DTLS_client_method(),
+ DTLS1_VERSION, DTLS_MAX_VERSION,
+ &sctx, &cctx, cert, privkey)))
+ return 0;
+
+ 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,
+ NULL, NULL))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE))
+ || !TEST_ptr(sess = SSL_get1_session(clientssl)))
+ goto end;
- if (argc != 3) {
- printf("Invalid argument count\n");
- return 1;
+ SSL_shutdown(clientssl);
+ SSL_shutdown(serverssl);
+ SSL_free(serverssl);
+ SSL_free(clientssl);
+ serverssl = clientssl = NULL;
+
+ 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;
+ 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;
}
- cert = argv[1];
- privkey = argv[2];
+ c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
+ if (!TEST_ptr(c_to_s_fbio))
+ goto end;
- err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+ /* BIO is freed by create_ssl_connection on error */
+ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, c_to_s_fbio)))
+ goto end;
- CRYPTO_set_mem_debug(1);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+ if (sess != NULL) {
+ if (!TEST_true(SSL_set_session(clientssl, sess)))
+ goto end;
+ }
- ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
+ DTLS_set_timer_cb(clientssl, timer_cb);
+ DTLS_set_timer_cb(serverssl, timer_cb);
- testresult = run_tests(argv[0]);
+ /* Work out which record to drop based on the test number */
+ if (idx >= 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) {
+ epoch = 1;
+ idx -= srv_to_cli_epoch0;
+ }
+ } else {
+ mempackbio = SSL_get_wbio(clientssl);
+ if (idx >= cli_to_srv_epoch0) {
+ epoch = 1;
+ idx -= cli_to_srv_epoch0;
+ }
+ mempackbio = BIO_next(mempackbio);
+ }
+ BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_EPOCH, epoch, NULL);
+ BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_REC, idx, NULL);
- bio_f_tls_dump_filter_free();
- bio_s_mempacket_test_free();
+ if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
+ goto end;
-#ifndef OPENSSL_NO_CRYPTO_MDEBUG
- if (CRYPTO_mem_leaks(err) <= 0)
- testresult = 1;
-#endif
- BIO_free(err);
+ if (sess != NULL && !TEST_true(SSL_session_reused(clientssl)))
+ goto end;
+
+ /* If the test did what we planned then it should have dropped a record */
+ if (!TEST_int_eq((int)BIO_ctrl(mempackbio, MEMPACKET_CTRL_GET_DROP_REC, 0,
+ NULL), -1))
+ goto end;
+
+ testresult = 1;
+ end:
+ SSL_SESSION_free(sess);
+ SSL_free(serverssl);
+ SSL_free(clientssl);
+ SSL_CTX_free(sctx);
+ SSL_CTX_free(cctx);
+
+ 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));
+}
+
+static int test_cookie(void)
+{
+ SSL_CTX *sctx = NULL, *cctx = NULL;
+ SSL *serverssl = NULL, *clientssl = NULL;
+ int testresult = 0;
+
+ if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+ DTLS_client_method(),
+ DTLS1_VERSION, DTLS_MAX_VERSION,
+ &sctx, &cctx, cert, privkey)))
+ return 0;
+
+ 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 (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+ NULL, NULL))
+ || !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;
+}
+
+static int test_dtls_duplicate_records(void)
+{
+ SSL_CTX *sctx = NULL, *cctx = NULL;
+ SSL *serverssl = NULL, *clientssl = NULL;
+ int testresult = 0;
+
+ if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+ DTLS_client_method(),
+ DTLS1_VERSION, DTLS_MAX_VERSION,
+ &sctx, &cctx, cert, privkey)))
+ return 0;
+
+ 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);
+
+ BIO_ctrl(SSL_get_wbio(clientssl), MEMPACKET_CTRL_SET_DUPLICATE_REC, 1, NULL);
+ BIO_ctrl(SSL_get_wbio(serverssl), MEMPACKET_CTRL_SET_DUPLICATE_REC, 1, NULL);
- if (!testresult)
- printf("PASS\n");
+ if (!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;
}
+
+int setup_tests(void)
+{
+ if (!TEST_ptr(cert = test_get_argument(0))
+ || !TEST_ptr(privkey = test_get_argument(1)))
+ return 0;
+
+ ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
+ ADD_ALL_TESTS(test_dtls_drop_records, TOTAL_RECORDS);
+ ADD_TEST(test_cookie);
+ ADD_TEST(test_dtls_duplicate_records);
+
+ return 1;
+}
+
+void cleanup_tests(void)
+{
+ bio_f_tls_dump_filter_free();
+ bio_s_mempacket_test_free();
+}
projects / openssl.git / blobdiff