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SystemAcl_Purge.cs
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SystemAcl_Purge.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections.Generic;
using System.Security.Principal;
using Xunit;
namespace System.Security.AccessControl.Tests
{
public partial class SystemAcl_Purge
{
[Fact]
public static void BasicValidationTestCases()
{
bool isContainer = false;
bool isDS = false;
RawAcl rawAcl = null;
SystemAcl systemAcl = null;
int aceCount = 0;
SecurityIdentifier sid = null;
GenericAce gAce = null;
byte revision = 0;
int capacity = 0;
//CustomAce constructor parameters
AceType aceType = AceType.AccessAllowed;
AceFlags aceFlag = AceFlags.None;
byte[] opaque = null;
//CompoundAce constructor additional parameters
int accessMask = 0;
CompoundAceType compoundAceType = CompoundAceType.Impersonation;
string sidStr = "BG";
//CommonAce constructor additional parameters
AceQualifier aceQualifier = 0;
//ObjectAce constructor additional parameters
ObjectAceFlags objectAceFlag = 0;
Guid objectAceType;
Guid inheritedObjectAceType;
//case 1, no Ace
revision = 127;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
isContainer = true;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 0;
sidStr = "BG";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
Assert.True(TestPurge(systemAcl, sid, aceCount));
//case 2, only have 1 explicit Ace of the sid
revision = 0;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
sidStr = "BG";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
//199 has all aceflags but inheritedonly and inherited
gAce = new CommonAce((AceFlags)199, AceQualifier.SystemAudit, 1, sid, false, null);
rawAcl.InsertAce(0, gAce);
isContainer = false;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 0;
Assert.True(TestPurge(systemAcl, sid, aceCount));
//case 3, only have 1 explicit Ace of different sid
revision = 0;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
//199 has all aceflags but inheritedonly and inherited
sidStr = "BG";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
gAce = new CommonAce((AceFlags)199, AceQualifier.SystemAudit, 1, sid, false, null);
rawAcl.InsertAce(0, gAce);
isContainer = false;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 1;
sidStr = "BA";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
Assert.True(TestPurge(systemAcl, sid, aceCount));
//case 4, only have 1 inherited Ace of the sid
revision = 0;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
sidStr = "BG";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
//215 has all aceflags but inheritedonly
gAce = new CommonAce((AceFlags)215, AceQualifier.SystemAudit, 1, sid, false, null);
rawAcl.InsertAce(0, gAce);
isContainer = false;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 1;
Assert.True(TestPurge(systemAcl, sid, aceCount));
//case 5, have one explicit Ace and one inherited Ace of the sid
revision = 255;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
sidStr = "BG";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
//199 has all aceflags but inheritedonly and inherited
gAce = new CommonAce((AceFlags)199, AceQualifier.SystemAudit, 1, sid, false, null);
rawAcl.InsertAce(0, gAce);
//215 has all aceflags but inheritedonly
gAce = new CommonAce((AceFlags)215, AceQualifier.SystemAudit, 2, sid, false, null);
rawAcl.InsertAce(1, gAce);
isContainer = true;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 1;
Assert.True(TestPurge(systemAcl, sid, aceCount));
//case 6, have two explicit Aces of the sid
revision = 255;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
sidStr = "BG";
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid(sidStr));
gAce = new CommonAce(AceFlags.FailedAccess, AceQualifier.SystemAudit, 1, sid, false, null);
rawAcl.InsertAce(0, gAce);
gAce = new CommonAce(AceFlags.SuccessfulAccess, AceQualifier.SystemAudit, 2, sid, false, null);
rawAcl.InsertAce(0, gAce);
isContainer = true;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 0;
Assert.True(TestPurge(systemAcl, sid, 0));
//case 7, 1 explicit CustomAce
Assert.Throws<InvalidOperationException>(() =>
{
revision = 127;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
aceType = AceType.MaxDefinedAceType + 1;
//199 has all aceflags but inheritedonly and inherited
aceFlag = (AceFlags)199;
opaque = null;
gAce = new CustomAce(aceType, aceFlag, opaque);
rawAcl.InsertAce(0, gAce);
isContainer = false;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid("BG"));
aceCount = 1;
//After Mark changes design to make ACL with any CustomAce, CompoundAce uncanonical and
//forbid the modification on uncanonical ACL, this case will throw InvalidOperationException
TestPurge(systemAcl, sid, aceCount);
});
//case 8, 1 explicit CompoundAce
Assert.Throws<InvalidOperationException>(() =>
{
revision = 127;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
//207 has all AceFlags but inherited
aceFlag = (AceFlags)207;
accessMask = 1;
compoundAceType = CompoundAceType.Impersonation;
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid("BG"));
gAce = new CompoundAce(aceFlag, accessMask, compoundAceType, sid);
rawAcl.InsertAce(0, gAce);
isContainer = true;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 0;
//After Mark changes design to make ACL with any CustomAce, CompoundAce uncanonical and
//forbid the modification on uncanonical ACL, this case will throw InvalidOperationException
TestPurge(systemAcl, sid, aceCount);
});
//case 9, 1 explicit ObjectAce
revision = 127;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
sid = new SecurityIdentifier(Utils.TranslateStringConstFormatSidToStandardFormatSid("BG"));
//207 has all AceFlags but inherited
aceFlag = (AceFlags)207;
aceQualifier = AceQualifier.SystemAudit;
accessMask = 1;
objectAceFlag = ObjectAceFlags.ObjectAceTypePresent | ObjectAceFlags.InheritedObjectAceTypePresent;
objectAceType = new Guid("11111111-1111-1111-1111-111111111111");
inheritedObjectAceType = new Guid("22222222-2222-2222-2222-222222222222");
gAce = new ObjectAce(aceFlag, aceQualifier, accessMask, sid, objectAceFlag, objectAceType, inheritedObjectAceType, false, null);
rawAcl.InsertAce(0, gAce);
isContainer = true;
isDS = true;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
aceCount = 0;
Assert.True(TestPurge(systemAcl, sid, aceCount));
}
[Fact]
public static void AdditionalTestCases()
{
bool isContainer = false;
bool isDS = false;
RawAcl rawAcl = null;
SystemAcl systemAcl = null;
byte revision = 0;
int capacity = 0;
//case 1, null Sid
Assert.Throws<ArgumentNullException>(() =>
{
revision = 127;
capacity = 1;
rawAcl = new RawAcl(revision, capacity);
isContainer = true;
isDS = false;
systemAcl = new SystemAcl(isContainer, isDS, rawAcl);
systemAcl.Purge(null);
});
}
private static bool TestPurge(SystemAcl systemAcl, SecurityIdentifier sid, int aceCount)
{
KnownAce ace = null;
systemAcl.Purge(sid);
if (aceCount != systemAcl.Count)
return false;
for (int i = 0; i < systemAcl.Count; i++)
{
ace = systemAcl[i] as KnownAce;
if (ace != null && ((ace.AceFlags & AceFlags.Inherited) == 0))
{
if (ace.SecurityIdentifier == sid)
return false;
}
}
return true;
}
}
}