Add a new GetTlsUniqueChannelBinding method to SSLSocket, and implement nss version.

net/socket/socket_test_util.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/socket/socket_test_util.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 699 matching lines @@
 
 int MockClientSocket::ExportKeyingMaterial(const base::StringPiece& label,
                                            bool has_context,
                                            const base::StringPiece& context,
                                            unsigned char* out,
                                            unsigned int outlen) {
   memset(out, 'A', outlen);
   return OK;
 }
 
+int MockClientSocket::GetTlsUniqueChannelBinding(unsigned char* out,
+                                                 unsigned int *outlen,
+                                                 unsigned int outlen_max) {
+  memset(out, 'B', outlen_max);
+  *outlen = outlen_max;

[wtc, 2012/07/30 20:05:08]

I wonder if we should memset 12 bytes and store 12 in *outlen?

If we do so, we need to make sure outlen_max >= 12.
(We don't seem to have an error code for "buffer too small".
I guess we can use ERR_INVALID_ARGUMENT as a substitute.)

[Ryan Hamilton, 2012/07/30 21:37:58]

Done.

+  return OK;
+}
+
 ServerBoundCertService* MockClientSocket::GetServerBoundCertService() const {
   NOTREACHED();
   return NULL;
 }
 
 SSLClientSocket::NextProtoStatus
 MockClientSocket::GetNextProto(std::string* proto, std::string* server_protos) {
   proto->clear();
   server_protos->clear();
   return SSLClientSocket::kNextProtoUnsupported;
@@ skipping 926 matching lines @@
 
 const char kSOCKS5OkRequest[] =
     { 0x05, 0x01, 0x00, 0x03, 0x04, 'h', 'o', 's', 't', 0x00, 0x50 };
 const int kSOCKS5OkRequestLength = arraysize(kSOCKS5OkRequest);
 
 const char kSOCKS5OkResponse[] =
     { 0x05, 0x00, 0x00, 0x01, 127, 0, 0, 1, 0x00, 0x50 };
 const int kSOCKS5OkResponseLength = arraysize(kSOCKS5OkResponse);
 
 }  // namespace net