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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
#include "gtest_utils.h"
#include "tls_connect.h"
namespace nss_test {
class GatherV2ClientHelloTest : public TlsConnectTestBase {
public:
GatherV2ClientHelloTest() : TlsConnectTestBase(ssl_variant_stream, 0) {}
void ConnectExpectMalformedClientHello(const DataBuffer &data) {
EnsureTlsSetup();
server_->SetOption(SSL_ENABLE_V2_COMPATIBLE_HELLO, PR_TRUE);
server_->ExpectSendAlert(kTlsAlertIllegalParameter);
client_->SendDirect(data);
server_->StartConnect();
server_->Handshake();
ASSERT_TRUE_WAIT(
(server_->error_code() == SSL_ERROR_RX_MALFORMED_CLIENT_HELLO), 2000);
}
};
// Gather a 5-byte v3 record, with a fragment length exceeding the maximum.
TEST_F(TlsConnectTest, GatherExcessiveV3Record) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x16, 1); // handshake
idx = buffer.Write(idx, 0x0301, 2); // record_version
(void)buffer.Write(idx, MAX_FRAGMENT_LENGTH + 2048 + 1, 2); // length=max+1
EnsureTlsSetup();
server_->ExpectSendAlert(kTlsAlertRecordOverflow);
client_->SendDirect(buffer);
server_->StartConnect();
server_->Handshake();
ASSERT_TRUE_WAIT((server_->error_code() == SSL_ERROR_RX_RECORD_TOO_LONG),
2000);
}
TEST_P(TlsConnectDatagram, DtlsGatherCIDRecord) {
TlsRecordHeader cidRecordHeader(ssl_variant_datagram, version_, 0x30, 0);
DataBuffer buffer = DataBuffer(10);
TlsRecord cidRecord = {cidRecordHeader, buffer};
EnsureTlsSetup();
Connect();
client_->SendRecordDirect(cidRecord);
// CIDs are not supported, invalid records in DTLS should be silently
// discarded.
server_->WaitForErrorCode(0, 1000);
client_->WaitForErrorCode(0, 1000);
}
// Gather a 3-byte v2 header, with a fragment length of 2.
TEST_F(GatherV2ClientHelloTest, GatherV2RecordLongHeader) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x0002, 2); // length=2 (long header)
idx = buffer.Write(idx, 0U, 1); // padding=0
(void)buffer.Write(idx, 0U, 2); // data
ConnectExpectMalformedClientHello(buffer);
}
// Gather a 3-byte v2 header, with a fragment length of 1.
TEST_F(GatherV2ClientHelloTest, GatherV2RecordLongHeader2) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x0001, 2); // length=1 (long header)
idx = buffer.Write(idx, 0U, 1); // padding=0
idx = buffer.Write(idx, 0U, 1); // data
(void)buffer.Write(idx, 0U, 1); // surplus (need 5 bytes total)
ConnectExpectMalformedClientHello(buffer);
}
// Gather a 3-byte v2 header, with a zero fragment length.
TEST_F(GatherV2ClientHelloTest, GatherEmptyV2RecordLongHeader) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0U, 2); // length=0 (long header)
idx = buffer.Write(idx, 0U, 1); // padding=0
(void)buffer.Write(idx, 0U, 2); // surplus (need 5 bytes total)
ConnectExpectMalformedClientHello(buffer);
}
// Gather a 2-byte v2 header, with a fragment length of 3.
TEST_F(GatherV2ClientHelloTest, GatherV2RecordShortHeader) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x8003, 2); // length=3 (short header)
(void)buffer.Write(idx, 0U, 3); // data
ConnectExpectMalformedClientHello(buffer);
}
// Gather a 2-byte v2 header, with a fragment length of 2.
TEST_F(GatherV2ClientHelloTest, GatherEmptyV2RecordShortHeader2) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x8002, 2); // length=2 (short header)
idx = buffer.Write(idx, 0U, 2); // data
(void)buffer.Write(idx, 0U, 1); // surplus (need 5 bytes total)
ConnectExpectMalformedClientHello(buffer);
}
// Gather a 2-byte v2 header, with a fragment length of 1.
TEST_F(GatherV2ClientHelloTest, GatherEmptyV2RecordShortHeader3) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x8001, 2); // length=1 (short header)
idx = buffer.Write(idx, 0U, 1); // data
(void)buffer.Write(idx, 0U, 2); // surplus (need 5 bytes total)
ConnectExpectMalformedClientHello(buffer);
}
// Gather a 2-byte v2 header, with a zero fragment length.
TEST_F(GatherV2ClientHelloTest, GatherEmptyV2RecordShortHeader) {
DataBuffer buffer;
size_t idx = 0;
idx = buffer.Write(idx, 0x8000, 2); // length=0 (short header)
(void)buffer.Write(idx, 0U, 3); // surplus (need 5 bytes total)
ConnectExpectMalformedClientHello(buffer);
}
/* Test correct gather buffer clearing/freeing and (re-)allocation.
*
* Freeing and (re-)allocation of the gather buffers after reception of single
* records is only done in DEBUG builds. Normally they are created and
* destroyed with the SSL socket.
*
* TLS 1.0 record splitting leads to implicit complete read of the data.
*
* The NSS DTLS impelmentation does not allow partial reads
* (see sslsecur.c, line 535-543). */
TEST_P(TlsConnectStream, GatherBufferPartialReadTest) {
EnsureTlsSetup();
Connect();
client_->SendData(1000);
if (version_ > SSL_LIBRARY_VERSION_TLS_1_0) {
for (unsigned i = 1; i <= 20; i++) {
server_->ReadBytes(50);
ASSERT_EQ(server_->received_bytes(), 50U * i);
}
} else {
server_->ReadBytes(50);
ASSERT_EQ(server_->received_bytes(), 1000U);
}
}
} // namespace nss_test