New policies: enable/disable relay; port range

remoting/base/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 "remoting/base/util.h"
 
+#include <limits.h>
 #include <math.h>
+#include <stdlib.h>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "media/base/video_frame.h"
 #include "media/base/yuv_convert.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 
 using media::VideoFrame;
@@ skipping 289 matching lines @@
   return true;
 }
 
 bool DoesRectContain(const webrtc::DesktopRect& a,
                      const webrtc::DesktopRect& b) {
   webrtc::DesktopRect intersection(a);
   intersection.IntersectWith(b);
   return intersection.equals(b);
 }
 
+bool ParsePortRange(const std::string& port_range, int* out_min_port,
+                    int* out_max_port) {
+  size_t separator_index = port_range.find('-');
+  if (separator_index == std::string::npos)
+    return false;
+
+  int min_port = atoi(port_range.substr(0, separator_index).c_str());
+  int max_port = atoi(port_range.substr(separator_index + 1).c_str());
+
+  if (min_port <= 0 || min_port > max_port || max_port > USHRT_MAX)
+    return false;
+
+  *out_min_port = min_port;
+  *out_max_port = max_port;
+  return true;
+}
+
 }  // namespace remoting