DtlsShouldDrop: don't ignore app data sent before a SCR handshake

This commit is contained in:
Juliusz Sosinowicz
2023-07-31 13:20:52 +02:00
parent 158402ab03
commit 5a94dc961d
2 changed files with 61 additions and 1 deletions

View File

@ -19949,7 +19949,7 @@ static int DtlsShouldDrop(WOLFSSL* ssl, int retcode)
#ifndef NO_WOLFSSL_SERVER
if (ssl->options.side == WOLFSSL_SERVER_END
&& ssl->curRL.type != handshake) {
&& ssl->curRL.type != handshake && !IsSCR(ssl)) {
int beforeCookieVerified = 0;
if (!IsAtLeastTLSv1_3(ssl->version)) {
beforeCookieVerified =

View File

@ -63251,6 +63251,65 @@ static int test_session_ticket_no_id(void)
}
#endif
#if defined(WOLFSSL_DTLS) && !defined(WOLFSSL_NO_TLS12) && \
defined(HAVE_IO_TESTS_DEPENDENCIES) && defined(HAVE_SECURE_RENEGOTIATION)
static void test_dtls_downgrade_scr_ctx_ready(WOLFSSL_CTX* ctx)
{
AssertIntEQ(wolfSSL_CTX_SetMinVersion(ctx, WOLFSSL_DTLSV1_2),
WOLFSSL_SUCCESS);
AssertIntEQ(wolfSSL_CTX_UseSecureRenegotiation(ctx), WOLFSSL_SUCCESS);
}
static void test_dtls_downgrade_scr_on_result(WOLFSSL* ssl)
{
char testMsg[] = "Message after SCR";
char msgBuf[sizeof(testMsg)];
if (wolfSSL_is_server(ssl)) {
AssertIntEQ(wolfSSL_Rehandshake(ssl), WOLFSSL_FATAL_ERROR);
AssertIntEQ(wolfSSL_get_error(ssl, -1), APP_DATA_READY);
AssertIntEQ(wolfSSL_read(ssl, msgBuf, sizeof(msgBuf)), sizeof(msgBuf));
AssertIntEQ(wolfSSL_Rehandshake(ssl), WOLFSSL_SUCCESS);
AssertIntEQ(wolfSSL_write(ssl, testMsg, sizeof(testMsg)),
sizeof(testMsg));
}
else {
AssertIntEQ(wolfSSL_write(ssl, testMsg, sizeof(testMsg)),
sizeof(testMsg));
AssertIntEQ(wolfSSL_read(ssl, msgBuf, sizeof(msgBuf)), sizeof(msgBuf));
}
}
static int test_dtls_downgrade_scr(void)
{
EXPECT_DECLS;
callback_functions func_cb_client;
callback_functions func_cb_server;
XMEMSET(&func_cb_client, 0, sizeof(callback_functions));
XMEMSET(&func_cb_server, 0, sizeof(callback_functions));
func_cb_client.doUdp = func_cb_server.doUdp = 1;
func_cb_server.method = wolfDTLSv1_2_server_method;
func_cb_client.method = wolfDTLS_client_method;
func_cb_client.ctx_ready = test_dtls_downgrade_scr_ctx_ready;
func_cb_client.on_result = test_dtls_downgrade_scr_on_result;
func_cb_server.on_result = test_dtls_downgrade_scr_on_result;
test_wolfSSL_client_server_nofail(&func_cb_client, &func_cb_server);
ExpectIntEQ(func_cb_client.return_code, TEST_SUCCESS);
ExpectIntEQ(func_cb_server.return_code, TEST_SUCCESS);
return EXPECT_RESULT();
}
#else
static int test_dtls_downgrade_scr(void)
{
EXPECT_DECLS;
return EXPECT_RESULT();
}
#endif
/*----------------------------------------------------------------------------*
| Main
*----------------------------------------------------------------------------*/
@ -64505,6 +64564,7 @@ TEST_CASE testCases[] = {
TEST_DECL(test_TLSX_CA_NAMES_bad_extension),
TEST_DECL(test_dtls_1_0_hvr_downgrade),
TEST_DECL(test_session_ticket_no_id),
TEST_DECL(test_dtls_downgrade_scr),
/* This test needs to stay at the end to clean up any caches allocated. */
TEST_DECL(test_wolfSSL_Cleanup)
};