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using System;
using System.DirectoryServices;
using System.Security;
using System.Security.Policy;
using System.Security.Permissions;
using System.IO;


namespace Win
{
    public class perm
    {
        public static void confperm()
        {
            string Zielpfad = "cl-daten/ALLG/ALLE/AD-DATEN/";
            string sNamedPermissionSet = "FullTrust";
            string sInstallPolicyLevel = "Machine";
            string sCodeGroupName = "AD-Daten";
            
            PolicyLevel machinePolicyLevel = null;
            System.Collections.IEnumerator policyHierarchy = SecurityManager.PolicyHierarchy();
            while (policyHierarchy.MoveNext())
            {
                PolicyLevel level = (PolicyLevel)policyHierarchy.Current;
                if (level.Label.ToLower() == sInstallPolicyLevel.ToLower())
                {
                    machinePolicyLevel = level;
                    // Create a new FullTrust permission set
                    PermissionSet permissionSet = new NamedPermissionSet(sNamedPermissionSet);
                    IMembershipCondition membershipCondition = new UrlMembershipCondition(@"file://" + Path.Combine(Zielpfad, "*"));
                    // Create the code group
                    PolicyStatement policyStatement = new PolicyStatement(permissionSet);
                    CodeGroup codeGroup = new UnionCodeGroup(membershipCondition, policyStatement);
                    codeGroup.Name = sCodeGroupName;
                    // Add the code group
                    machinePolicyLevel.RootCodeGroup.AddChild(codeGroup);
                    break;
                }
            }
            // Save changes
            SecurityManager.SavePolicyLevel(machinePolicyLevel);
        }
    }
}