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//
// System.Security.AccessControl.DirectoryObjectSecurity implementation
//
// Author:
// Dick Porter <dick@ximian.com>
// James Bellinger <jfb@zer7.com>
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
// Copyright (C) 2012 James Bellinger
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Security.Principal;
namespace System.Security.AccessControl
{
public abstract class DirectoryObjectSecurity : ObjectSecurity
{
protected DirectoryObjectSecurity ()
: base (true, true)
{
}
protected DirectoryObjectSecurity (CommonSecurityDescriptor securityDescriptor)
: base (securityDescriptor)
{
}
// For MoMA. NotImplementedException is correct for this base class.
Exception GetNotImplementedException ()
{
return new NotImplementedException ();
}
public virtual AccessRule AccessRuleFactory (IdentityReference identityReference, int accessMask,
bool isInherited, InheritanceFlags inheritanceFlags,
PropagationFlags propagationFlags, AccessControlType type,
Guid objectType, Guid inheritedObjectType)
{
throw GetNotImplementedException ();
}
internal override AccessRule InternalAccessRuleFactory (QualifiedAce ace, Type targetType,
AccessControlType type)
{
ObjectAce oace = ace as ObjectAce;
if (null == oace || ObjectAceFlags.None == oace.ObjectAceFlags)
return base.InternalAccessRuleFactory (ace, targetType, type);
return AccessRuleFactory (ace.SecurityIdentifier.Translate (targetType),
ace.AccessMask, ace.IsInherited,
ace.InheritanceFlags, ace.PropagationFlags, type,
oace.ObjectAceType, oace.InheritedObjectAceType);
}
public virtual AuditRule AuditRuleFactory (IdentityReference identityReference, int accessMask,
bool isInherited, InheritanceFlags inheritanceFlags,
PropagationFlags propagationFlags, AuditFlags flags,
Guid objectType, Guid inheritedObjectType)
{
throw GetNotImplementedException ();
}
internal override AuditRule InternalAuditRuleFactory (QualifiedAce ace, Type targetType)
{
ObjectAce oace = ace as ObjectAce;
if (null == oace || ObjectAceFlags.None == oace.ObjectAceFlags)
return base.InternalAuditRuleFactory (ace, targetType);
return AuditRuleFactory (ace.SecurityIdentifier.Translate (targetType),
ace.AccessMask, ace.IsInherited,
ace.InheritanceFlags, ace.PropagationFlags, ace.AuditFlags,
oace.ObjectAceType, oace.InheritedObjectAceType);
}
public AuthorizationRuleCollection GetAccessRules (bool includeExplicit, bool includeInherited, Type targetType)
{
return InternalGetAccessRules (includeExplicit, includeInherited, targetType);
}
public AuthorizationRuleCollection GetAuditRules (bool includeExplicit, bool includeInherited, Type targetType)
{
return InternalGetAuditRules (includeExplicit, includeInherited, targetType);
}
protected void AddAccessRule (ObjectAccessRule rule)
{
bool modified;
ModifyAccess (AccessControlModification.Add, rule, out modified);
}
protected bool RemoveAccessRule (ObjectAccessRule rule)
{
bool modified;
return ModifyAccess (AccessControlModification.Remove, rule, out modified);
}
protected void RemoveAccessRuleAll (ObjectAccessRule rule)
{
bool modified;
ModifyAccess (AccessControlModification.RemoveAll, rule, out modified);
}
protected void RemoveAccessRuleSpecific (ObjectAccessRule rule)
{
bool modified;
ModifyAccess (AccessControlModification.RemoveSpecific, rule, out modified);
}
protected void ResetAccessRule (ObjectAccessRule rule)
{
bool modified;
ModifyAccess (AccessControlModification.Reset, rule, out modified);
}
protected void SetAccessRule (ObjectAccessRule rule)
{
bool modified;
ModifyAccess (AccessControlModification.Set, rule, out modified);
}
protected override bool ModifyAccess (AccessControlModification modification, AccessRule rule, out bool modified)
{
if (null == rule)
throw new ArgumentNullException ("rule");
ObjectAccessRule orule = rule as ObjectAccessRule;
if (null == orule)
throw new ArgumentException ("rule");
modified = true;
WriteLock ();
try {
switch (modification) {
case AccessControlModification.Add:
descriptor.DiscretionaryAcl.AddAccess (orule.AccessControlType,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
case AccessControlModification.Set:
descriptor.DiscretionaryAcl.SetAccess (orule.AccessControlType,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
case AccessControlModification.Reset:
PurgeAccessRules (orule.IdentityReference);
goto case AccessControlModification.Add;
case AccessControlModification.Remove:
modified = descriptor.DiscretionaryAcl.RemoveAccess (orule.AccessControlType,
SidFromIR (orule.IdentityReference),
rule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
case AccessControlModification.RemoveAll:
PurgeAccessRules (orule.IdentityReference);
break;
case AccessControlModification.RemoveSpecific:
descriptor.DiscretionaryAcl.RemoveAccessSpecific (orule.AccessControlType,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
default:
throw new ArgumentOutOfRangeException ("modification");
}
if (modified) AccessRulesModified = true;
} finally {
WriteUnlock ();
}
return modified;
}
protected void AddAuditRule (ObjectAuditRule rule)
{
bool modified;
ModifyAudit (AccessControlModification.Add, rule, out modified);
}
protected bool RemoveAuditRule (ObjectAuditRule rule)
{
bool modified;
return ModifyAudit (AccessControlModification.Remove, rule, out modified);
}
protected void RemoveAuditRuleAll (ObjectAuditRule rule)
{
bool modified;
ModifyAudit (AccessControlModification.RemoveAll, rule, out modified);
}
protected void RemoveAuditRuleSpecific (ObjectAuditRule rule)
{
bool modified;
ModifyAudit (AccessControlModification.RemoveSpecific, rule, out modified);
}
protected void SetAuditRule (ObjectAuditRule rule)
{
bool modified;
ModifyAudit (AccessControlModification.Set, rule, out modified);
}
protected override bool ModifyAudit (AccessControlModification modification, AuditRule rule, out bool modified)
{
if (null == rule)
throw new ArgumentNullException ("rule");
ObjectAuditRule orule = rule as ObjectAuditRule;
if (null == orule)
throw new ArgumentException ("rule");
modified = true;
WriteLock ();
try {
switch (modification) {
case AccessControlModification.Add:
if (null == descriptor.SystemAcl)
descriptor.SystemAcl = new SystemAcl (IsContainer, IsDS, 1);
descriptor.SystemAcl.AddAudit (orule.AuditFlags,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
case AccessControlModification.Set:
if (null == descriptor.SystemAcl)
descriptor.SystemAcl = new SystemAcl (IsContainer, IsDS, 1);
descriptor.SystemAcl.SetAudit (orule.AuditFlags,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
case AccessControlModification.Reset:
break;
case AccessControlModification.Remove:
if (null == descriptor.SystemAcl)
modified = false;
else
modified = descriptor.SystemAcl.RemoveAudit (orule.AuditFlags,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
case AccessControlModification.RemoveAll:
PurgeAuditRules (orule.IdentityReference);
break;
case AccessControlModification.RemoveSpecific:
if (null != descriptor.SystemAcl)
descriptor.SystemAcl.RemoveAuditSpecific (orule.AuditFlags,
SidFromIR (orule.IdentityReference),
orule.AccessMask,
orule.InheritanceFlags,
orule.PropagationFlags,
orule.ObjectFlags,
orule.ObjectType,
orule.InheritedObjectType);
break;
default:
throw new ArgumentOutOfRangeException ("modification");
}
if (modified) AuditRulesModified = true;
} finally {
WriteUnlock ();
}
return modified;
}
}
}
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