openssl/test/dtlstest.c
Alfred E. Heggestad fa4b82cc7c add callback handler for setting DTLS timer interval
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/4011)
2017-09-06 08:30:00 +02:00

131 lines
3.6 KiB
C

/*
* Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "ssltestlib.h"
#include "testutil.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
static unsigned char certstatus[] = {
SSL3_RT_HANDSHAKE, /* Content type */
0xfe, 0xfd, /* Record version */
0, 1, /* Epoch */
0, 0, 0, 0, 0, 0x0f, /* Record sequence number */
0, DTLS1_HM_HEADER_LENGTH + DUMMY_CERT_STATUS_LEN - 2,
SSL3_MT_CERTIFICATE_STATUS, /* Cert Status handshake message type */
0, 0, DUMMY_CERT_STATUS_LEN, /* Message len */
0, 5, /* Message sequence */
0, 0, 0, /* Fragment offset */
0, 0, DUMMY_CERT_STATUS_LEN - 2, /* Fragment len */
0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x80, 0x80, 0x80, 0x80 /* Dummy data */
};
#define RECORD_SEQUENCE 10
static unsigned int timer_cb(SSL *s, unsigned int timer_us)
{
++timer_cb_count;
if (timer_us == 0)
return 1000000;
else
return 2 * timer_us;
}
static int test_dtls_unprocessed(int testidx)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
SSL *serverssl1 = NULL, *clientssl1 = NULL;
BIO *c_to_s_fbio, *c_to_s_mempacket;
int testresult = 0;
timer_cb_count = 0;
if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
DTLS_client_method(), &sctx,
&cctx, cert, privkey)))
return 0;
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 (!TEST_ptr(c_to_s_fbio))
goto end;
/* BIO is freed by create_ssl_connection on error */
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
*/
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 (!TEST_true(create_ssl_connection(serverssl1, clientssl1,
SSL_ERROR_NONE)))
goto end;
if (timer_cb_count == 0) {
printf("timer_callback was not called.\n");
goto end;
}
testresult = 1;
end:
SSL_free(serverssl1);
SSL_free(clientssl1);
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);
return 1;
}
void cleanup_tests(void)
{
bio_f_tls_dump_filter_free();
bio_s_mempacket_test_free();
}