Add a callback to SecureSocket for certificates that fail to be authenticated.

runtime/bin/secure_socket.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_SECURE_SOCKET_H_
 #define BIN_SECURE_SOCKET_H_
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <sys/types.h>
 
 #include <prinit.h>
 #include <prerror.h>
 #include <prnetdb.h>
+#include <ssl.h>
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
 #include "platform/globals.h"
 #include "platform/thread.h"
 
 static void ThrowException(const char* message) {
   Dart_Handle socket_io_exception =
       DartUtils::NewDartSocketIOException(message, Dart_Null());
   Dart_ThrowException(socket_io_exception);
@@ skipping 32 matching lines @@
     kWritePlaintext,
     kReadEncrypted,
     kWriteEncrypted,
     kNumBuffers
   };
 
   SSLFilter()
       : string_start_(NULL),
         string_length_(NULL),
         handshake_complete_(NULL),
+        bad_certificate_callback_(NULL),
         in_handshake_(false),
         filter_(NULL) { }
 
   void Init(Dart_Handle dart_this);
   void Connect(const char* host,
                int port,
                bool is_server,
                const char* certificate_name);
   void Destroy();
   void Handshake();
   void RegisterHandshakeCompleteCallback(Dart_Handle handshake_complete);
+  void RegisterBadCertificateCallback(Dart_Handle callback);
   static void InitializeLibrary(const char* certificate_database,
                                 const char* password,
                                 bool use_builtin_root_certificates);
 
   intptr_t ProcessBuffer(int bufferIndex);
 
+  SECStatus HandleBadCertificate(PRFileDesc* fd);
+
  private:
   static const int kMemioBufferSize = 20 * KB;
   static bool library_initialized_;
   static const char* password_;
   static dart::Mutex mutex_;  // To protect library initialization.
 
   uint8_t* buffers_[kNumBuffers];
   int64_t buffer_size_;
   Dart_Handle string_start_;
   Dart_Handle string_length_;
   Dart_Handle dart_buffer_objects_[kNumBuffers];
   Dart_Handle handshake_complete_;
+  Dart_Handle bad_certificate_callback_;
   bool in_handshake_;
   bool is_server_;
   PRFileDesc* filter_;
 
   void InitializeBuffers(Dart_Handle dart_this);
   void InitializePlatformData();
 
   DISALLOW_COPY_AND_ASSIGN(SSLFilter);
 };
 
 #endif  // BIN_SECURE_SOCKET_H_