Add gnubby authentication to remoting host

remoting/host/remoting_me2me_host.cc

Index: remoting/host/remoting_me2me_host.cc
diff --git a/remoting/host/remoting_me2me_host.cc b/remoting/host/remoting_me2me_host.cc
index e227c13024217d7fd08ddbbb450a034ae6b7b83d..c1214e25fdca483c677aa2cdb25fb930eb9465bf 100644
--- a/remoting/host/remoting_me2me_host.cc
+++ b/remoting/host/remoting_me2me_host.cc
@@ -214,6 +214,7 @@ class HostProcess
   bool OnHostTokenUrlPolicyUpdate(const GURL& token_url,
                                   const GURL& token_validation_url);
   bool OnPairingPolicyUpdate(bool pairing_enabled);
+  bool OnGnubbyAuthPolicyUpdate(bool enable_gnubby_auth);
 
   void StartHost();
 
@@ -270,6 +271,7 @@ class HostProcess
   bool allow_pairing_;
 
   bool curtain_required_;
+  bool enable_gnubby_auth_;
   GURL token_url_;
   GURL token_validation_url_;
 
@@ -302,6 +304,7 @@ HostProcess::HostProcess(scoped_ptr<ChromotingHostContext> context,
       allow_nat_traversal_(true),
       allow_pairing_(true),
       curtain_required_(false),
+      enable_gnubby_auth_(false),
 #if defined(REMOTING_MULTI_PROCESS)
       desktop_session_connector_(NULL),
 #endif  // defined(REMOTING_MULTI_PROCESS)
@@ -793,6 +796,11 @@ void HostProcess::OnPolicyUpdate(scoped_ptr<base::DictionaryValue> policies) {
           &bool_value)) {
     restart_required |= OnPairingPolicyUpdate(bool_value);
   }
+  if (policies->GetBoolean(
+          policy_hack::PolicyWatcher::kHostAllowGnubbyAuthPolicyName,
+          &bool_value)) {
+    restart_required |= OnGnubbyAuthPolicyUpdate(bool_value);
+  }
 
   if (state_ == HOST_INITIALIZING) {
     StartHost();
@@ -952,6 +960,21 @@ bool HostProcess::OnPairingPolicyUpdate(bool allow_pairing) {
   return true;
 }
 
+bool HostProcess::OnGnubbyAuthPolicyUpdate(bool enable_gnubby_auth) {
+  DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
+
+  if (enable_gnubby_auth_ == enable_gnubby_auth)
+    return false;
+
+  if (enable_gnubby_auth)
+    HOST_LOG << "Policy enables gnubby auth.";

[Sergey Ulanov, 2014/01/25 02:03:33]

add {} because there is else case.

[psj, 2014/01/29 09:07:15]

Done.

+  else
+    HOST_LOG << "Policy disables gnubby auth.";
+  enable_gnubby_auth_ = enable_gnubby_auth;
+
+  return true;
+}
+
 void HostProcess::StartHost() {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
   DCHECK(!host_);
@@ -1036,6 +1059,7 @@ void HostProcess::StartHost() {
 #endif  // !defined(REMOTING_MULTI_PROCESS)
 
   host_->SetEnableCurtaining(curtain_required_);
+  host_->SetEnableGnubbyAuth(enable_gnubby_auth_);
   host_->Start(host_owner_);
 
   CreateAuthenticatorFactory();