Provides a certificate for SSL client authentication on NSS sockets....

chrome/browser/renderer_host/resource_dispatcher_host.cc

 // Copyright (c) 2009 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
 
 #include <vector>
 
@@ skipping 1034 matching lines @@
   DCHECK(!info->login_handler()) <<
       "OnAuthRequired called with login_handler pending";
   info->set_login_handler(CreateLoginPrompt(auth_info, request, ui_loop_));
 }
 
 void ResourceDispatcherHost::OnCertificateRequested(
     URLRequest* request,
     net::SSLCertRequestInfo* cert_request_info) {
   DCHECK(request);
 
+#if defined(OS_LINUX)
+  bool select_first_cert = CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kAutoSSLClientAuth);
+  net::X509Certificate* cert =
+      select_first_cert && !cert_request_info->client_certs.empty() ?
+      cert_request_info->client_certs[0] : NULL;
+  request->ContinueWithCertificate(cert);
+#else
   if (cert_request_info->client_certs.empty()) {
     // No need to query the user if there are no certs to choose from.
     request->ContinueWithCertificate(NULL);
     return;
   }
 
   ResourceDispatcherHostRequestInfo* info = InfoForRequest(request);
   DCHECK(!info->ssl_client_auth_handler()) <<
       "OnCertificateRequested called with ssl_client_auth_handler pending";
   info->set_ssl_client_auth_handler(
       new SSLClientAuthHandler(request, cert_request_info, io_loop_, ui_loop_));
   info->ssl_client_auth_handler()->SelectCertificate();
+#endif
 }
 
 void ResourceDispatcherHost::OnSSLCertificateError(
     URLRequest* request,
     int cert_error,
     net::X509Certificate* cert) {
   DCHECK(request);
   SSLManager::OnSSLCertificateError(this, request, cert_error, cert, ui_loop_);
 }
 
@@ skipping 698 matching lines @@
     case ViewHostMsg_UploadProgress_ACK::ID:
     case ViewHostMsg_SyncLoad::ID:
       return true;
 
     default:
       break;
   }
 
   return false;
 }