1 files changed, 143 insertions, 0 deletions
diff --git a/nss/gtests/ssl_gtest/ssl_gather_unittest.cc b/nss/gtests/ssl_gtest/ssl_gather_unittest.cc
new file mode 100644
index 0000000..f47b2f4
--- /dev/null
+++ b/nss/gtests/ssl_gtest/ssl_gather_unittest.cc
@@ -0,0 +1,143 @@
+/* -*- 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,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#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_->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 zero fragment length. The empty handshake
+// message should be ignored, and the connection will succeed afterwards.
+TEST_F(TlsConnectTest, GatherEmptyV3Record) {
+  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, 0U, 2);      // length=0
+
+  EnsureTlsSetup();
+  client_->SendDirect(buffer);
+  Connect();
+}
+
+// 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);
+}
+
+// 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);
+}
+
+}  // namespace nss_test