Add NTLM single-sign-on support via Samba's ntlm_auth helper

net/http/http_auth_handler_ntlm.h

 // Copyright (c) 2011 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.
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_NTLM_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_NTLM_H_
 
 #include "build/build_config.h"
 
 // This contains the portable and the SSPI implementations for NTLM.
 // We use NTLM_SSPI for Windows, and NTLM_PORTABLE for other platforms.
 #if defined(OS_WIN)
 #define NTLM_SSPI
 #else
 #define NTLM_PORTABLE
 #endif
 
 #if defined(NTLM_SSPI)
 #define SECURITY_WIN32 1
 #include <windows.h>
 #include <security.h>
 #include "net/http/http_auth_sspi_win.h"
 #endif
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/message_loop/message_loop.h"
+#include "base/process/process_handle.h"
 #include "base/strings/string16.h"
 #include "net/http/http_auth_handler.h"
 #include "net/http/http_auth_handler_factory.h"
 
 namespace net {
 
 class URLSecurityManager;
 
 // Code for handling HTTP NTLM authentication.
-class NET_EXPORT_PRIVATE HttpAuthHandlerNTLM : public HttpAuthHandler {
+class NET_EXPORT_PRIVATE HttpAuthHandlerNTLM : public HttpAuthHandler,
+                                               base::MessageLoopForIO::Watcher {
  public:
   class Factory : public HttpAuthHandlerFactory {
    public:
     Factory();
     virtual ~Factory();
 
     virtual int CreateAuthHandler(
         HttpAuthChallengeTokenizer* challenge,
         HttpAuth::Target target,
         const GURL& origin,
@@ skipping 42 matching lines @@
       SetHostNameProc(old_host_name_proc_);
     }
 
    private:
     GenerateRandomProc old_random_proc_;
     HostNameProc old_host_name_proc_;
   };
 #endif
 
 #if defined(NTLM_PORTABLE)
-  HttpAuthHandlerNTLM();
+  HttpAuthHandlerNTLM(URLSecurityManager* url_security_manager);
 #endif
 #if defined(NTLM_SSPI)
   HttpAuthHandlerNTLM(SSPILibrary* sspi_library, ULONG max_token_length,
                       URLSecurityManager* url_security_manager);
 #endif
 
   virtual bool NeedsIdentity() OVERRIDE;
 
   virtual bool AllowsDefaultCredentials() OVERRIDE;
 
@@ skipping 34 matching lines @@
                    uint32* out_token_len);
 
   // Create an NTLM SPN to identify the |origin| server.
   static std::string CreateSPN(const GURL& origin);
 
 #if defined(NTLM_SSPI)
   HttpAuthSSPI auth_sspi_;
 #endif
 
 #if defined(NTLM_PORTABLE)
+  const char *helpername_;
+  int ntlm_write_pipe_;
+  int ntlm_read_pipe_;
+  base::ProcessHandle ntlm_auth_handle_;
+  bool start_ntlm_helper_();
+  bool try_winbind_;
+  CompletionCallback token_callback_;
+  std::string *callback_auth_token_;
+  base::MessageLoopForIO::FileDescriptorWatcher ntlm_read_watcher_;
+  virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
+  virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE;
   static GenerateRandomProc generate_random_proc_;
   static HostNameProc get_host_name_proc_;
 #endif
 
   base::string16 domain_;
   AuthCredentials credentials_;
 
   // The base64-encoded string following "NTLM" in the "WWW-Authenticate" or
   // "Proxy-Authenticate" response header.
   std::string auth_data_;
 
-#if defined(NTLM_SSPI)
   URLSecurityManager* url_security_manager_;
-#endif
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_HANDLER_NTLM_H_