/// <summary>
/// Set registry permissions on a registry key for a specified account.
/// </summary>
public static bool SetRegPermission(RegistryKey rootKey, string subKeyPath,
string account, RegistryRights rights)
{
bool result = false;
RegistryAccessRule accessRule = new RegistryAccessRule(account, rights,
InheritanceFlags.None,
PropagationFlags.NoPropagateInherit,
AccessControlType.Allow);
using (RegistryKey key = rootKey.OpenSubKey(subKeyPath, true))
{
RegistrySecurity keySecurity =
key.GetAccessControl(AccessControlSections.Access);
keySecurity.ModifyAccessRule(AccessControlModification.Add,
accessRule, out result);
if (result)
{
accessRule = new RegistryAccessRule(account, rights,
InheritanceFlags.ContainerInherit |
InheritanceFlags.ObjectInherit,
PropagationFlags.InheritOnly,
AccessControlType.Allow);
keySecurity.ModifyAccessRule(AccessControlModification.Add,
accessRule, out result);
if (result)
{
key.SetAccessControl(keySecurity);
}
}
}
return(result);
}
static void Modify()
{
try
{
//Registry.LocalMachine.CreateSubKey( @"SYSTEM\CurrentControlSet\Control\StorageDevicePolicies", RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryOptions.None,
RegistryKey regKey = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Control\StorageDevicePolicies", false);
RegistrySecurity resSec = regKey.GetAccessControl();
AuthorizationRuleCollection authRules = resSec.GetAccessRules(true, true, typeof(NTAccount));
foreach (RegistryAccessRule rule in authRules)
{
if (rule.IdentityReference.Value == "TW\\0007989")
{
if (rule.RegistryRights != RegistryRights.FullControl)
{
// Set full
RegistryAccessRule newRule = new RegistryAccessRule(rule.IdentityReference, RegistryRights.FullControl, AccessControlType.Allow);
bool isModified = false;
if (resSec.ModifyAccessRule(AccessControlModification.Add, newRule, out isModified) == false)
{
Console.WriteLine("Modify access rule failed");
}
}
}
}
regKey.Close();
}
catch (Exception exp)
{
string s = exp.ToString();
}
}