New policies: enable/disable relay; port range

remoting/base/util.cc

Index: remoting/base/util.cc
diff --git a/remoting/base/util.cc b/remoting/base/util.cc
index 8102cb9bf5bdd7b3c1f3b8c6591f9619b0c3955f..42674bee4e304312e1ecde3770ff814e9be7a1f9 100644
--- a/remoting/base/util.cc
+++ b/remoting/base/util.cc
@@ -4,7 +4,9 @@
 
 #include "remoting/base/util.h"
 
+#include <limits.h>
 #include <math.h>
+#include <stdlib.h>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
@@ -314,4 +316,21 @@ bool DoesRectContain(const webrtc::DesktopRect& a,
   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