private static void CleanKeyParents(RegistryKey baseKey, string keyPath)
{
using (RegistryKey registryKey1 = baseKey.OpenSubKey(keyPath, true))
{
if (registryKey1 != null && (registryKey1.ValueCount != 0 || registryKey1.SubKeyCount != 0))
{
return;
}
string[] strArray = keyPath.Split('\\');
if (strArray.Length <= 2)
{
return;
}
string subkey = strArray[strArray.Length - 1];
string str = keyPath.Remove(keyPath.Length - subkey.Length - 1);
if (registryKey1 != null)
{
using (RegistryKey registryKey2 = baseKey.OpenSubKey(str, true))
registryKey2.DeleteSubKey(subkey, true);
}
SecuritySupport.CleanKeyParents(baseKey, str);
}
}
internal static void SetExecutionPolicy(
ExecutionPolicyScope scope,
ExecutionPolicy policy,
string shellId)
{
string str = "Restricted";
string configurationPath = Utils.GetRegistryConfigurationPath(shellId);
switch (policy)
{
case ExecutionPolicy.Unrestricted:
str = "Unrestricted";
break;
case ExecutionPolicy.RemoteSigned:
str = "RemoteSigned";
break;
case ExecutionPolicy.AllSigned:
str = "AllSigned";
break;
case ExecutionPolicy.Restricted:
str = "Restricted";
break;
case ExecutionPolicy.Bypass:
str = "Bypass";
break;
}
switch (scope)
{
case ExecutionPolicyScope.Process:
if (policy == ExecutionPolicy.Undefined)
{
str = (string)null;
}
Environment.SetEnvironmentVariable("PSExecutionPolicyPreference", str);
break;
case ExecutionPolicyScope.CurrentUser:
if (policy == ExecutionPolicy.Undefined)
{
using (RegistryKey registryKey = Registry.CurrentUser.OpenSubKey(configurationPath, true))
{
if (registryKey != null)
{
if (registryKey.GetValue("ExecutionPolicy") != null)
{
registryKey.DeleteValue("ExecutionPolicy");
}
}
}
SecuritySupport.CleanKeyParents(Registry.CurrentUser, configurationPath);
break;
}
using (RegistryKey subKey = Registry.CurrentUser.CreateSubKey(configurationPath))
{
subKey.SetValue("ExecutionPolicy", (object)str, RegistryValueKind.String);
break;
}
case ExecutionPolicyScope.LocalMachine:
if (policy == ExecutionPolicy.Undefined)
{
using (RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(configurationPath, true))
{
if (registryKey != null)
{
if (registryKey.GetValue("ExecutionPolicy") != null)
{
registryKey.DeleteValue("ExecutionPolicy");
}
}
}
SecuritySupport.CleanKeyParents(Registry.LocalMachine, configurationPath);
break;
}
using (RegistryKey subKey = Registry.LocalMachine.CreateSubKey(configurationPath))
{
subKey.SetValue("ExecutionPolicy", (object)str, RegistryValueKind.String);
break;
}
}
}
