public static void Remove_DomainObjectAcl(Args_Remove_DomainObjectAcl args = null)
{
RemoveDomainObjectAcl.Remove_DomainObjectAcl(args);
}
public static void Remove_DomainObjectAcl(Args_Remove_DomainObjectAcl args = null)
{
if (args == null)
{
args = new Args_Remove_DomainObjectAcl();
}
var TargetSearcherArguments = new Args_Get_DomainObject
{
Properties = new[] { "distinguishedname" },
Raw = true,
Domain = args.TargetDomain,
LDAPFilter = args.TargetLDAPFilter,
SearchBase = args.TargetSearchBase,
Server = args.Server,
SearchScope = args.SearchScope,
ResultPageSize = args.ResultPageSize,
ServerTimeLimit = args.ServerTimeLimit,
Tombstone = args.Tombstone,
Credential = args.Credential
};
var PrincipalSearcherArguments = new Args_Get_DomainObject
{
Identity = args.PrincipalIdentity,
Properties = new[] { "distinguishedname", "objectsid" },
Domain = args.PrincipalDomain,
Server = args.Server,
SearchScope = args.SearchScope,
ResultPageSize = args.ResultPageSize,
ServerTimeLimit = args.ServerTimeLimit,
Tombstone = args.Tombstone,
Credential = args.Credential
};
var Principals = GetDomainObject.Get_DomainObject(PrincipalSearcherArguments);
if (Principals == null)
{
throw new Exception($@"Unable to resolve principal: {args.PrincipalIdentity}");
}
TargetSearcherArguments.Identity = args.TargetIdentity;
var Targets = GetDomainObject.Get_DomainObject(TargetSearcherArguments);
foreach (SearchResult TargetObject in Targets)
{
var InheritanceType = System.DirectoryServices.ActiveDirectorySecurityInheritance.None;
var ControlType = System.Security.AccessControl.AccessControlType.Allow;
var ACEs = new List <System.DirectoryServices.ActiveDirectoryAccessRule>();
var GUIDs = new List <string>();
if (args.RightsGUID != null)
{
GUIDs.Add(args.RightsGUID.ToString());
}
else
{
switch (args.Rights)
{
// ResetPassword doesn't need to know the user's current password
case Rights.ResetPassword:
GUIDs.Add("00299570-246d-11d0-a768-00aa006e0529");
break;
// allows for the modification of group membership
case Rights.WriteMembers:
GUIDs.Add("bf9679c0 -0de6-11d0-a285-00aa003049e2");
break;
// 'DS-Replication-Get-Changes' = 1131f6aa-9c07-11d1-f79f-00c04fc2dcd2
// 'DS-Replication-Get-Changes-All' = 1131f6ad-9c07-11d1-f79f-00c04fc2dcd2
// 'DS-Replication-Get-Changes-In-Filtered-Set' = 89e95b76-444d-4c62-991a-0facbeda640c
// when applied to a domain's ACL, allows for the use of DCSync
case Rights.DCSync:
GUIDs.Add("1131f6aa-9c07-11d1-f79f-00c04fc2dcd2");
GUIDs.Add("1131f6ad-9c07-11d1-f79f-00c04fc2dcd2");
GUIDs.Add("89e95b76-444d-4c62-991a-0facbeda640c");
break;
}
}
foreach (LDAPProperty PrincipalObject in Principals)
{
Logger.Write_Verbose($@"[Remove-DomainObjectAcl] Removing principal {PrincipalObject.distinguishedname} '{args.Rights}' from {TargetObject.Properties["distinguishedname"][0]}");
try
{
var Identity = new System.Security.Principal.SecurityIdentifier(PrincipalObject.objectsid[0]);
if (GUIDs != null)
{
foreach (var GUID in GUIDs)
{
var NewGUID = new Guid(GUID);
var ADRights = System.DirectoryServices.ActiveDirectoryRights.ExtendedRight;
ACEs.Add(new System.DirectoryServices.ActiveDirectoryAccessRule(Identity, ADRights, ControlType, NewGUID, InheritanceType));
}
}
else
{
// deault to GenericAll rights
var ADRights = System.DirectoryServices.ActiveDirectoryRights.GenericAll;
ACEs.Add(new System.DirectoryServices.ActiveDirectoryAccessRule(Identity, ADRights, ControlType, InheritanceType));
}
// remove all the specified ACEs from the specified object directory entry
foreach (var ACE in ACEs)
{
Logger.Write_Verbose($@"[Remove-DomainObjectAcl] Removing principal {PrincipalObject.distinguishedname} rights GUID '{ACE.ObjectType}' from {TargetObject.Properties["distinguishedname"][0]}");
var TargetEntry = TargetObject.GetDirectoryEntry();
TargetEntry.Options.SecurityMasks = SecurityMasks.Dacl;
TargetEntry.ObjectSecurity.RemoveAccessRule(ACE);
TargetEntry.CommitChanges();
}
}
catch (Exception e)
{
Logger.Write_Verbose($@"[Remove-DomainObjectAcl] Error removing principal {PrincipalObject.distinguishedname} '{args.Rights}' from {TargetObject.Properties["distinguishedname"][0]}: {e}");
}
}
}
}
