private void CheckBinaryConstructor (string expectedSddl, byte[] binary)
{
RawSecurityDescriptor sd = new RawSecurityDescriptor (binary, 0);
Assert.AreEqual (sd.BinaryLength, binary.Length);
Assert.AreEqual (expectedSddl, sd.GetSddlForm (AccessControlSections.All));
}
internal CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor, bool trusted)
{
if (rawSecurityDescriptor == null)
{
throw new ArgumentNullException("rawSecurityDescriptor");
}
this.CreateFromParts(isContainer, isDS, rawSecurityDescriptor.ControlFlags, rawSecurityDescriptor.Owner, rawSecurityDescriptor.Group, (rawSecurityDescriptor.SystemAcl == null) ? null : new System.Security.AccessControl.SystemAcl(isContainer, isDS, rawSecurityDescriptor.SystemAcl, trusted), (rawSecurityDescriptor.DiscretionaryAcl == null) ? null : new System.Security.AccessControl.DiscretionaryAcl(isContainer, isDS, rawSecurityDescriptor.DiscretionaryAcl, trusted));
}
public static void SetProcessSecurityDescriptor(IntPtr hWnd)
{
RawSecurityDescriptor sd = new RawSecurityDescriptor(ControlFlags.None, new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null), null, null, new RawAcl(2, 0));
sd.SetFlags(ControlFlags.DiscretionaryAclPresent | ControlFlags.DiscretionaryAclDefaulted);
byte[] rawSd = new byte[sd.BinaryLength];
sd.GetBinaryForm(rawSd, 0);
if (!NativeMethods.Advapi32.SetKernelObjectSecurity(hWnd, (int)SecurityInfos.DiscretionaryAcl, rawSd))
Console.WriteLine("Win32Exception(): {0}", new Win32Exception().Message);
}
private void CheckSddlConstructor (string sddl, byte[] expectedBinary)
{
RawSecurityDescriptor sd = new RawSecurityDescriptor (sddl);
Assert.GreaterOrEqual (sd.BinaryLength, 0);
byte[] buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
Assert.AreEqual (expectedBinary, buffer);
}
private void CheckRoundTrip (string sddl)
{
RawSecurityDescriptor sd = new RawSecurityDescriptor (sddl);
byte[] buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
sd = new RawSecurityDescriptor (buffer, 0);
Assert.AreEqual (sddl, sd.GetSddlForm (AccessControlSections.All));
}
public ACCESS_MASK ComputeAccess(RawSecurityDescriptor descriptor, IdentityReference identity)
{
var accessGranted = ACCESS_MASK.NONE;
// Create the Resource Manager
using (SafeAuthzRMHandle authzRM = InitializeResourceManager())
using (SafeAuthzContextHandle userClientCtxt = InitializeContextFromSid(authzRM, identity))
{
accessGranted = AccessCheck(userClientCtxt, descriptor);
}
return accessGranted;
}
public void AllowUserAccessToCurrentProcess()
{
if (originalACL == null)
return;
IntPtr hProcess = GetCurrentProcess();
// Read the DACL
var dacl = new RawSecurityDescriptor(originalACL, 0);
// Insert the new ACE
SetProcessSecurityDescriptor(hProcess, dacl);
originalACL = null;
}
private ACCESS_MASK AccessCheck(SafeAuthzContextHandle userClientCtxt, RawSecurityDescriptor descriptor)
{
ACCESS_MASK accessGranted;
// Prepare the Access Check request
var request = new NativeMethods.AUTHZ_ACCESS_REQUEST();
request.DesiredAccess = ACCESS_MASK.MAXIMUM_ALLOWED;
request.PrincipalSelfSid = null;
request.ObjectTypeList = IntPtr.Zero;
request.ObjectTypeListLength = 0;
request.OptionalArguments = IntPtr.Zero;
using (var grantedAccessBuffer = SafeAllocation.Create<ACCESS_MASK>())
using (var errorBuffer = SafeAllocation.Create<uint>())
{
// Prepare the access check reply
var reply = new NativeMethods.AUTHZ_ACCESS_REPLY();
reply.ResultListLength = 1;
reply.SaclEvaluationResults = IntPtr.Zero;
reply.GrantedAccessMask = grantedAccessBuffer.DangerousGetHandle();
reply.Error = errorBuffer.DangerousGetHandle();
var rawSD = new byte[descriptor.BinaryLength];
descriptor.GetBinaryForm(rawSD, 0);
if (!NativeMethods.AuthzAccessCheck(
NativeMethods.AuthzACFlags.None,
userClientCtxt,
ref request,
IntPtr.Zero,
rawSD,
null,
0,
ref reply,
IntPtr.Zero))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
accessGranted = grantedAccessBuffer.ToStructure();
}
return accessGranted;
}
/// <summary>Sort ACEs according to canonical form for this <see cref="ObjectSecurity"/>.</summary>
/// <param name="objectSecurity">The object security whose DiscretionaryAcl will be made canonical.</param>
public static void CanonicalizeAccessRules(this ObjectSecurity objectSecurity)
{
if (objectSecurity == null)
{
throw new ArgumentNullException(nameof(objectSecurity));
}
if (objectSecurity.AreAccessRulesCanonical)
{
return;
}
// Get raw SD from objectSecurity and canonicalize DACL
var sd = new RawSecurityDescriptor(objectSecurity.GetSecurityDescriptorBinaryForm(), 0);
sd.DiscretionaryAcl.Canonicalize();
// Convert SD back into objectSecurity
objectSecurity.SetSecurityDescriptorBinaryForm(sd.GetBinaryForm());
}
void Init (bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor)
{
if (null == rawSecurityDescriptor)
throw new ArgumentNullException ("rawSecurityDescriptor");
SystemAcl sacl = null;
if (null != rawSecurityDescriptor.SystemAcl)
sacl = new SystemAcl (isContainer, isDS, rawSecurityDescriptor.SystemAcl);
DiscretionaryAcl dacl = null;
if (null != rawSecurityDescriptor.DiscretionaryAcl)
dacl = new DiscretionaryAcl (isContainer, isDS, rawSecurityDescriptor.DiscretionaryAcl);
Init (isContainer, isDS,
rawSecurityDescriptor.ControlFlags,
rawSecurityDescriptor.Owner,
rawSecurityDescriptor.Group,
sacl, dacl);
}
public void AclInheritance()
{
NtfsFileSystem ntfs = new FileSystemSource().NtfsFileSystem();
RawSecurityDescriptor sd = new RawSecurityDescriptor("O:BAG:BAD:(A;OICINP;GA;;;BA)");
ntfs.CreateDirectory("dir");
ntfs.SetSecurity("dir", sd);
ntfs.CreateDirectory(@"dir\subdir");
RawSecurityDescriptor inheritedSd = ntfs.GetSecurity(@"dir\subdir");
Assert.NotNull(inheritedSd);
Assert.AreEqual("O:BAG:BAD:(A;ID;GA;;;BA)", inheritedSd.GetSddlForm(AccessControlSections.All));
using (ntfs.OpenFile(@"dir\subdir\file", FileMode.Create, FileAccess.ReadWrite)) { }
inheritedSd = ntfs.GetSecurity(@"dir\subdir\file");
Assert.NotNull(inheritedSd);
Assert.AreEqual("O:BAG:BAD:", inheritedSd.GetSddlForm(AccessControlSections.All));
}
public RawSecurityDescriptor GetSecurityDescriptor()
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("Path cannot be null or whitespace.", "path");
}
FileSystemSecurity security;
if (!TryGetFileSecurity(path, AccessSectionsNeeded, out security))
{
if (!TryGetDirectorySecurity(path, AccessSectionsNeeded, out security))
{
throw new ArgumentException("The path must be an existing file or directory.", path);
}
}
var descriptorBinaryForm = security.GetSecurityDescriptorBinaryForm();
var descriptor = new RawSecurityDescriptor(descriptorBinaryForm, 0);
return descriptor;
}
// Token: 0x06001F8E RID: 8078 RVA: 0x0006E320 File Offset: 0x0006C520
private void UpdateWithNewSecurityDescriptor(RawSecurityDescriptor newOne, AccessControlSections includeSections)
{
if ((includeSections & AccessControlSections.Owner) != AccessControlSections.None)
{
this._ownerModified = true;
this._securityDescriptor.Owner = newOne.Owner;
}
if ((includeSections & AccessControlSections.Group) != AccessControlSections.None)
{
this._groupModified = true;
this._securityDescriptor.Group = newOne.Group;
}
if ((includeSections & AccessControlSections.Audit) != AccessControlSections.None)
{
this._saclModified = true;
if (newOne.SystemAcl != null)
{
this._securityDescriptor.SystemAcl = new SystemAcl(this.IsContainer, this.IsDS, newOne.SystemAcl, true);
}
else
{
this._securityDescriptor.SystemAcl = null;
}
this._securityDescriptor.UpdateControlFlags(ObjectSecurity.SACL_CONTROL_FLAGS, newOne.ControlFlags & ObjectSecurity.SACL_CONTROL_FLAGS);
}
if ((includeSections & AccessControlSections.Access) != AccessControlSections.None)
{
this._daclModified = true;
if (newOne.DiscretionaryAcl != null)
{
this._securityDescriptor.DiscretionaryAcl = new DiscretionaryAcl(this.IsContainer, this.IsDS, newOne.DiscretionaryAcl, true);
}
else
{
this._securityDescriptor.DiscretionaryAcl = null;
}
ControlFlags controlFlags = this._securityDescriptor.ControlFlags & ControlFlags.DiscretionaryAclPresent;
this._securityDescriptor.UpdateControlFlags(ObjectSecurity.DACL_CONTROL_FLAGS, (newOne.ControlFlags | controlFlags) & ObjectSecurity.DACL_CONTROL_FLAGS);
}
}
public static string DecodeSsdl(string ssdlStr, StringBuilder decodeBuffer,
StringBuilder domainBuffer, StringBuilder usernameBuffer, ref int formatted)
{
try
{
var ssdl = new RawSecurityDescriptor(ssdlStr);
++formatted;
decodeBuffer.Remove(0, decodeBuffer.Length);
decodeBuffer.Append("ControlFlags=")
.Append(ssdl.ControlFlags)
.Append("; ResourceManagerControlBits=")
.Append(ssdl.ResourceManagerControl);
if (ssdl.Group != null)
decodeBuffer.Append("; Group=").Append(ssdl.Group);
if (ssdl.Owner != null)
decodeBuffer.Append("; Owner=").Append(ssdl.Owner);
if (ssdl.DiscretionaryAcl != null)
{
foreach (var acl in ssdl.DiscretionaryAcl)
{
decodeBuffer.Append("; DiscretionaryAcl");
DecodeAcl(acl, decodeBuffer, domainBuffer, usernameBuffer);
}
}
if (ssdl.SystemAcl != null)
{
foreach (var acl in ssdl.SystemAcl)
{
decodeBuffer.Append("; SystemAcl");
DecodeAcl(acl, decodeBuffer, domainBuffer, usernameBuffer);
}
}
return decodeBuffer.ToString();
}
catch
{
return ssdlStr;
}
}
public static VirtualHardDisk Create(string filename, ulong maximumSize,
VirtualStorageDeviceTypes deviceType = VirtualStorageDeviceTypes.Vhd,
VirtualDiskAccessMasks mask = VirtualDiskAccessMasks.All, RawSecurityDescriptor securityDescriptor = null,
CreateVirtualDiskFlags flags = CreateVirtualDiskFlags.None, uint providerSpecificFlags = 0,
Guid uniqueId = default(Guid), uint blockSizeInBytes = 0, uint sectorSizeInBytes = 0,
string parentPath = null, string sourcePath = null, Overlapped overlapped = null)
{
if ()
var storageType = new VirtualStorageType {DeviceId = deviceType};
var parameters = new CreateVirtualDiskParameters
{
Version = CreateVirtualDiskVersions.Version1,
Version1 = new CreateVirtualDiskParametersVersion1
{
UniqueId = uniqueId,
MaximumSize = maximumSize,
BlockSizeInBytes = blockSizeInBytes,
SectorSizeInBytes = sectorSizeInBytes,
ParentPath = parentPath,
SourcePath = sourcePath
}
};
var handle = VirtualDiskCore.CreateVirtualDisk(storageType, filename, mask, securityDescriptor, flags,
providerSpecificFlags, parameters, overlapped);
var vhd = new VirtualHardDisk(filename, handle);
// ReSharper disable once InvertIf
if (vhd.VirtualStorageType.DeviceId == VirtualStorageDeviceTypes.Iso)
{
vhd.Dispose();
throw new NotSupportedException("This class does not support ISO files.");
}
return vhd;
}
public EffectiveAccess(string path,
string targetMachine,
RawSecurityDescriptor shareSD,
SecurityIdentifier userSid,
SecurityIdentifier deviceSid,
ClaimValueDictionary userClaims,
ClaimValueDictionary deviceClaims,
GroupsCollection userGroups,
GroupsCollection deviceGroups)
{
if (string.IsNullOrEmpty(targetMachine) && shareSD != null)
{
throw new ArgumentException("targetMachine must be value when shareSD is not-empty", "targetMachine");
}
handle = NativeMethods.CreateFile(path,
NativeMethods.FileAccess.GenericRead,
NativeMethods.FileShare.Read
| NativeMethods.FileShare.Write
| NativeMethods.FileShare.Delete,
IntPtr.Zero,
NativeMethods.FileMode.OpenExisting,
NativeMethods.FileFlagAttrib.BackupSemantics,
IntPtr.Zero);
if (handle.IsInvalid)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
this.targetMachine = targetMachine;
this.shareSD = shareSD;
this.userSid = userSid;
this.deviceSid = deviceSid;
this.userClaims = userClaims;
this.deviceClaims = deviceClaims;
this.userGroups = userGroups;
this.deviceGroups = deviceGroups;
}
private void CreateFromParts(bool isContainer, bool isDS, System.Security.AccessControl.ControlFlags flags, SecurityIdentifier owner, SecurityIdentifier group, System.Security.AccessControl.SystemAcl systemAcl, System.Security.AccessControl.DiscretionaryAcl discretionaryAcl)
{
if ((systemAcl != null) && (systemAcl.IsContainer != isContainer))
{
throw new ArgumentException(Environment.GetResourceString(isContainer ? "AccessControl_MustSpecifyContainerAcl" : "AccessControl_MustSpecifyLeafObjectAcl"), "systemAcl");
}
if ((discretionaryAcl != null) && (discretionaryAcl.IsContainer != isContainer))
{
throw new ArgumentException(Environment.GetResourceString(isContainer ? "AccessControl_MustSpecifyContainerAcl" : "AccessControl_MustSpecifyLeafObjectAcl"), "discretionaryAcl");
}
this._isContainer = isContainer;
if ((systemAcl != null) && (systemAcl.IsDS != isDS))
{
throw new ArgumentException(Environment.GetResourceString(isDS ? "AccessControl_MustSpecifyDirectoryObjectAcl" : "AccessControl_MustSpecifyNonDirectoryObjectAcl"), "systemAcl");
}
if ((discretionaryAcl != null) && (discretionaryAcl.IsDS != isDS))
{
throw new ArgumentException(Environment.GetResourceString(isDS ? "AccessControl_MustSpecifyDirectoryObjectAcl" : "AccessControl_MustSpecifyNonDirectoryObjectAcl"), "discretionaryAcl");
}
this._isDS = isDS;
this._sacl = systemAcl;
if (discretionaryAcl == null)
{
discretionaryAcl = System.Security.AccessControl.DiscretionaryAcl.CreateAllowEveryoneFullAccess(this._isDS, this._isContainer);
}
this._dacl = discretionaryAcl;
System.Security.AccessControl.ControlFlags flags2 = flags | System.Security.AccessControl.ControlFlags.DiscretionaryAclPresent;
if (systemAcl == null)
{
flags2 &= ~System.Security.AccessControl.ControlFlags.SystemAclPresent;
}
else
{
flags2 |= System.Security.AccessControl.ControlFlags.SystemAclPresent;
}
this._rawSd = new RawSecurityDescriptor(flags2, owner, group, (systemAcl == null) ? null : systemAcl.RawAcl, discretionaryAcl.RawAcl);
}
private void CreateFromParts(bool isContainer, bool isDS, System.Security.AccessControl.ControlFlags flags, SecurityIdentifier owner, SecurityIdentifier group, System.Security.AccessControl.SystemAcl systemAcl, System.Security.AccessControl.DiscretionaryAcl discretionaryAcl)
{
if ((systemAcl != null) && (systemAcl.IsContainer != isContainer))
{
throw new ArgumentException(Environment.GetResourceString(isContainer ? "AccessControl_MustSpecifyContainerAcl" : "AccessControl_MustSpecifyLeafObjectAcl"), "systemAcl");
}
if ((discretionaryAcl != null) && (discretionaryAcl.IsContainer != isContainer))
{
throw new ArgumentException(Environment.GetResourceString(isContainer ? "AccessControl_MustSpecifyContainerAcl" : "AccessControl_MustSpecifyLeafObjectAcl"), "discretionaryAcl");
}
this._isContainer = isContainer;
if ((systemAcl != null) && (systemAcl.IsDS != isDS))
{
throw new ArgumentException(Environment.GetResourceString(isDS ? "AccessControl_MustSpecifyDirectoryObjectAcl" : "AccessControl_MustSpecifyNonDirectoryObjectAcl"), "systemAcl");
}
if ((discretionaryAcl != null) && (discretionaryAcl.IsDS != isDS))
{
throw new ArgumentException(Environment.GetResourceString(isDS ? "AccessControl_MustSpecifyDirectoryObjectAcl" : "AccessControl_MustSpecifyNonDirectoryObjectAcl"), "discretionaryAcl");
}
this._isDS = isDS;
this._sacl = systemAcl;
if (discretionaryAcl == null)
{
discretionaryAcl = System.Security.AccessControl.DiscretionaryAcl.CreateAllowEveryoneFullAccess(this._isDS, this._isContainer);
}
this._dacl = discretionaryAcl;
System.Security.AccessControl.ControlFlags flags2 = flags | System.Security.AccessControl.ControlFlags.DiscretionaryAclPresent;
if (systemAcl == null)
{
flags2 &= ~System.Security.AccessControl.ControlFlags.SystemAclPresent;
}
else
{
flags2 |= System.Security.AccessControl.ControlFlags.SystemAclPresent;
}
this._rawSd = new RawSecurityDescriptor(flags2, owner, group, (systemAcl == null) ? null : systemAcl.RawAcl, discretionaryAcl.RawAcl);
}
public byte[] GetSecurity(SecurityInformation requestedInformation, bool wantDefault)
{
//FileSecurity fsec= new FileSecurity(@"c:\Test1\test.txt",~AccessControlSections.Audit);
//return fsec.GetSecurityDescriptorBinaryForm();
WindowsIdentity user = WindowsIdentity.GetCurrent();
if (user != null)
{
int length = 0;
IntPtr token = user.Token;
GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenDefaultDacl, IntPtr.Zero, 0, out length);
IntPtr TokenInformation = Marshal.AllocHGlobal((int) length);
bool Result = GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenDefaultDacl, TokenInformation, (uint) length,
out length);
TOKEN_DEFAULT_DACL dacl =
(TOKEN_DEFAULT_DACL) Marshal.PtrToStructure(TokenInformation, typeof (TOKEN_DEFAULT_DACL));
ACL acl = (ACL) Marshal.PtrToStructure(dacl.DefaultDacl, typeof (ACL));
byte[] aceArr = new byte[acl.AclSize];
Marshal.Copy(dacl.DefaultDacl, aceArr, 0, acl.AclSize);
RawAcl rawAcl = new RawAcl(aceArr, 0);
Marshal.FreeHGlobal(TokenInformation);
GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenOwner, IntPtr.Zero, 0, out length);
TokenInformation = Marshal.AllocHGlobal((int) length);
GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenOwner, TokenInformation, (uint)length,
out length);
TOKEN_OWNER tokOwner = (TOKEN_OWNER) Marshal.PtrToStructure(TokenInformation, typeof (TOKEN_OWNER));
SecurityIdentifier ownerSID= new SecurityIdentifier(tokOwner.Owner);
Marshal.FreeHGlobal(TokenInformation);
GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenPrimaryGroup, IntPtr.Zero, 0, out length);
TokenInformation = Marshal.AllocHGlobal((int)length);
GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenPrimaryGroup, TokenInformation, (uint)length,
out length);
TOKEN_PRIMARY_GROUP tokGroup= (TOKEN_PRIMARY_GROUP)Marshal.PtrToStructure(TokenInformation, typeof(TOKEN_PRIMARY_GROUP));
SecurityIdentifier groupSID = new SecurityIdentifier(tokGroup.PrimaryGroup);
RawSecurityDescriptor rawDesc = new RawSecurityDescriptor(ControlFlags.DiscretionaryAclPresent, ownerSID, groupSID, null, rawAcl);
byte[] ret = new byte[rawDesc.BinaryLength];
rawDesc.GetBinaryForm(ret, 0);
return ret;
}
return null;
}
private void SetCurrentProcessTokenDacl(RawAcl dacl)
{
IntPtr hProcess = IntPtr.Zero;
IntPtr hProcessToken = IntPtr.Zero;
IntPtr securityDescriptorPtr = IntPtr.Zero;
try
{
hProcess = NativeMethods.GetCurrentProcess();
if (!NativeMethods.OpenProcessToken(hProcess, NativeMethods.TOKEN_ALL_ACCESS, out hProcessToken))
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
// Get security descriptor associated with the kernel object and modify it.
uint returnLength;
NativeMethods.GetKernelObjectSecurity(hProcessToken, NativeMethods.SECURITY_INFORMATION.DACL_SECURITY_INFORMATION, IntPtr.Zero, 0, out returnLength);
int lasterror = Marshal.GetLastWin32Error(); //#pragma warning disable 56523 doesnt recognize 56523
securityDescriptorPtr = Marshal.AllocCoTaskMem((int)returnLength);
if (!NativeMethods.GetKernelObjectSecurity(hProcessToken, NativeMethods.SECURITY_INFORMATION.DACL_SECURITY_INFORMATION, securityDescriptorPtr, returnLength, out returnLength))
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
byte[] sdBytes = new byte[returnLength];
Marshal.Copy(securityDescriptorPtr, sdBytes, 0, (int)returnLength);
RawSecurityDescriptor rawSecurityDescriptor = new RawSecurityDescriptor(sdBytes, 0);
rawSecurityDescriptor.DiscretionaryAcl = dacl;
sdBytes = new byte[rawSecurityDescriptor.BinaryLength];
rawSecurityDescriptor.GetBinaryForm(sdBytes, 0);
Marshal.FreeCoTaskMem(securityDescriptorPtr);
securityDescriptorPtr = Marshal.AllocCoTaskMem(rawSecurityDescriptor.BinaryLength);
Marshal.Copy(sdBytes, 0, securityDescriptorPtr, rawSecurityDescriptor.BinaryLength);
if (!NativeMethods.SetKernelObjectSecurity(hProcessToken, NativeMethods.SECURITY_INFORMATION.DACL_SECURITY_INFORMATION, securityDescriptorPtr))
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
finally
{
if (hProcess != IntPtr.Zero && hProcess != (IntPtr)(-1))
if (!NativeMethods.CloseHandle(hProcess))
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
if (hProcessToken != IntPtr.Zero)
if (!NativeMethods.CloseHandle(hProcessToken))
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
if (securityDescriptorPtr != IntPtr.Zero)
Marshal.FreeCoTaskMem(securityDescriptorPtr);
}
}
/// <summary>Initializes a new instance of the <see cref="T:System.Security.AccessControl.CommonSecurityDescriptor" /> class from the specified <see cref="T:System.Security.AccessControl.RawSecurityDescriptor" /> object.</summary><param name="isContainer">true if the new security descriptor is associated with a container object.</param><param name="isDS">true if the new security descriptor is associated with a directory object.</param><param name="rawSecurityDescriptor">The <see cref="T:System.Security.AccessControl.RawSecurityDescriptor" /> object from which to create the new <see cref="T:System.Security.AccessControl.CommonSecurityDescriptor" /> object.</param>
public CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor)
{
throw new NotImplementedException();
}
public void GetSddlForm ()
{
RawSecurityDescriptor sd = new RawSecurityDescriptor ("");
Assert.AreEqual ("", sd.GetSddlForm (AccessControlSections.All));
// Ask for part of SD that isn't represented
sd.Owner = new SecurityIdentifier (WellKnownSidType.BuiltinUsersSid, null);
sd.Group = new SecurityIdentifier (WellKnownSidType.BuiltinAdministratorsSid, null);
Assert.AreEqual ("", sd.GetSddlForm (AccessControlSections.Access));
// Empty ACL form
sd.DiscretionaryAcl = new RawAcl (2, 0);
sd.SystemAcl = new RawAcl (1, 0);
sd.SetFlags (sd.ControlFlags | ControlFlags.DiscretionaryAclPresent | ControlFlags.SystemAclPresent);
Assert.AreEqual ("O:BUG:BAD:S:", sd.GetSddlForm (AccessControlSections.All));
// Add an ACE to the DACL
SecurityIdentifier builtInAdmins = new SecurityIdentifier (WellKnownSidType.BuiltinAdministratorsSid, null);
CommonAce ace = new CommonAce (AceFlags.None, AceQualifier.AccessAllowed, 0x7FFFFFFF, builtInAdmins, false, null);
sd.DiscretionaryAcl.InsertAce (0, ace);
Assert.AreEqual ("O:BUG:BAD:(A;;0x7fffffff;;;BA)S:", sd.GetSddlForm (AccessControlSections.All));
// Add second ACE to the DACL
SecurityIdentifier randomUser = new SecurityIdentifier ("S-1-5-21-324-23423-234-334");
ace = new CommonAce (AceFlags.Inherited | AceFlags.ContainerInherit, AceQualifier.AccessDenied, 0x12345678, randomUser, true, null);
sd.DiscretionaryAcl.InsertAce (0, ace);
Assert.AreEqual ("O:BUD:(XD;CIID;0x12345678;;;S-1-5-21-324-23423-234-334)(A;;0x7fffffff;;;BA)", sd.GetSddlForm (AccessControlSections.Owner | AccessControlSections.Access));
// DACL & SACL flags
sd.SetFlags (sd.ControlFlags | ControlFlags.DiscretionaryAclProtected | ControlFlags.DiscretionaryAclAutoInherited | ControlFlags.DiscretionaryAclAutoInheritRequired | ControlFlags.SystemAclAutoInherited);
sd.DiscretionaryAcl = new RawAcl (1, 0);
ace = new CommonAce (AceFlags.None, AceQualifier.AccessAllowed, 0x7FFFFFFF, builtInAdmins, false, null);
sd.DiscretionaryAcl.InsertAce (0, ace);
Assert.AreEqual ("O:BUG:BAD:PARAI(A;;0x7fffffff;;;BA)S:AI", sd.GetSddlForm (AccessControlSections.All));
sd.SetFlags (sd.ControlFlags | ControlFlags.ServerSecurity | ControlFlags.DiscretionaryAclDefaulted);
Assert.AreEqual ("O:BUG:BAD:PARAI(A;;0x7fffffff;;;BA)S:AI", sd.GetSddlForm (AccessControlSections.All));
}
private void DoSetSecurity(File file, RawSecurityDescriptor securityDescriptor)
{
NtfsStream legacyStream = file.GetStream(AttributeType.SecurityDescriptor, null);
if (legacyStream != null)
{
SecurityDescriptor sd = new SecurityDescriptor();
sd.Descriptor = securityDescriptor;
legacyStream.SetContent(sd);
}
else
{
uint id = _context.SecurityDescriptors.AddDescriptor(securityDescriptor);
// Update the standard information attribute - so it reflects the actual file state
NtfsStream stream = file.GetStream(AttributeType.StandardInformation, null);
StandardInformation si = stream.GetContent<StandardInformation>();
si.SecurityId = id;
stream.SetContent(si);
// Write attribute changes back to the Master File Table
file.UpdateRecordInMft();
}
}
/// <summary>The SetServiceObjectSecurity function sets the security descriptor of a service object.</summary>
/// <param name="hService">
/// A handle to the service. This handle is returned by the <see cref="OpenService" /> or
/// <see cref="CreateService(SafeServiceHandle,string,string,ACCESS_MASK,ServiceType,ServiceStartType,ServiceErrorControl,string,string,int, string,string,string)" /> function. The access required for this handle depends on the security information
/// specified in the <paramref name="dwSecurityInformation" /> parameter.
/// </param>
/// <param name="dwSecurityInformation">
/// Specifies the components of the security descriptor to set. This parameter can be a
/// combination of the following values : <see cref="SECURITY_INFORMATION.DACL_SECURITY_INFORMATION" />,
/// <see cref="SECURITY_INFORMATION.GROUP_SECURITY_INFORMATION" />,
/// <see cref="SECURITY_INFORMATION.OWNER_SECURITY_INFORMATION" />,
/// <see cref="SECURITY_INFORMATION.SACL_SECURITY_INFORMATION" />. Note that flags not handled by
/// SetServiceObjectSecurity will be silently ignored.
/// </param>
/// <param name="lpSecurityDescriptor">The new security information.</param>
public static void SetServiceObjectSecurity(
SafeServiceHandle hService,
SECURITY_INFORMATION dwSecurityInformation,
RawSecurityDescriptor lpSecurityDescriptor)
{
var binaryForm = new byte[lpSecurityDescriptor.BinaryLength];
lpSecurityDescriptor.GetBinaryForm(binaryForm, 0);
if (!SetServiceObjectSecurity(hService, dwSecurityInformation, binaryForm))
{
throw new Win32Exception();
}
}
public CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor)
: this(isContainer, isDS, rawSecurityDescriptor, false)
{
}
public RawSecurityDescriptor(string sddlForm)
: this(RawSecurityDescriptor.BinaryFormFromSddlForm(sddlForm), 0)
{
}
public static IEnumerable <ACL> Get_DomainObjectAcl(Args_Get_DomainObjectAcl args = null)
{
if (args == null)
{
args = new Args_Get_DomainObjectAcl();
}
var SearcherArguments = new Args_Get_DomainSearcher
{
Properties = new[] { "samaccountname", "ntsecuritydescriptor", "distinguishedname", "objectsid" },
SecurityMasks = args.Sacl ? SecurityMasks.Sacl : SecurityMasks.Dacl,
Domain = args.Domain,
SearchBase = args.SearchBase,
Server = args.Server,
SearchScope = args.SearchScope,
ResultPageSize = args.ResultPageSize,
ServerTimeLimit = args.ServerTimeLimit,
Tombstone = args.Tombstone,
Credential = args.Credential
};
var Searcher = GetDomainSearcher.Get_DomainSearcher(SearcherArguments);
var DomainGUIDMapArguments = new Args_Get_DomainGUIDMap
{
Domain = args.Domain,
Server = args.Server,
ResultPageSize = args.ResultPageSize,
ServerTimeLimit = args.ServerTimeLimit,
Credential = args.Credential
};
// get a GUID -> name mapping
IDictionary <string, string> GUIDs = null;
if (args.ResolveGUIDs)
{
GUIDs = GetDomainGUIDMap.Get_DomainGUIDMap(DomainGUIDMapArguments);
}
var ACLs = new List <ACL>();
if (Searcher != null)
{
var IdentityFilter = "";
var Filter = "";
if (args.Identity != null)
{
foreach (var item in args.Identity)
{
var IdentityInstance = item.Replace(@"(", @"\28").Replace(@")", @"\29");
if (IdentityInstance.IsRegexMatch(@"^S-1-.*"))
{
IdentityFilter += $@"(objectsid={IdentityInstance})";
}
else if (IdentityInstance.IsRegexMatch(@"^(CN|OU|DC)=.*"))
{
IdentityFilter += $@"(distinguishedname={IdentityInstance})";
if (args.Domain.IsNullOrEmpty() && args.SearchBase.IsNullOrEmpty())
{
// if a -Domain isn't explicitly set, extract the object domain out of the distinguishedname
// and rebuild the domain searcher
var IdentityDomain = IdentityInstance.Substring(IdentityInstance.IndexOf("DC=")).Replace("DC=", "").Replace(",", ".");
Logger.Write_Verbose($@"[Get-DomainObjectAcl] Extracted domain '{IdentityDomain}' from '{IdentityInstance}'");
SearcherArguments.Domain = IdentityDomain;
Searcher = GetDomainSearcher.Get_DomainSearcher(SearcherArguments);
if (Searcher == null)
{
Logger.Write_Warning($@"[Get-DomainObjectAcl] Unable to retrieve domain searcher for '{IdentityDomain}'");
}
}
}
else if (IdentityInstance.IsRegexMatch(@"^[0-9A-F]{8}-([0-9A-F]{4}-){3}[0-9A-F]{12}$"))
{
var GuidByteString = string.Join(string.Empty, Guid.Parse(IdentityInstance).ToByteArray().Select(x => x.ToString(@"\X2")));
IdentityFilter += $@"(objectguid={GuidByteString})";
}
else if (IdentityInstance.Contains('.'))
{
IdentityFilter += $@"(|(samAccountName={IdentityInstance})(name={IdentityInstance})(dnshostname={IdentityInstance}))";
}
else
{
IdentityFilter += $@"(|(samAccountName={IdentityInstance})(name={IdentityInstance})(displayname={IdentityInstance}))";
}
}
}
if (IdentityFilter != null && IdentityFilter.Trim() != "")
{
Filter += $@"(|{IdentityFilter})";
}
if (args.LDAPFilter.IsNotNullOrEmpty())
{
Logger.Write_Verbose($@"[Get-DomainObjectAcl] Using additional LDAP filter: {args.LDAPFilter}");
Filter += $@"{args.LDAPFilter}";
}
if (Filter.IsNotNullOrEmpty())
{
Searcher.Filter = $@"(&{Filter})";
}
Logger.Write_Verbose($@"[Get-DomainObjectAcl] Get-DomainObjectAcl filter string: {Searcher.Filter}");
var Results = Searcher.FindAll();
foreach (SearchResult result in Results)
{
var Object = result.Properties;
string ObjectSid = null;
if (Object["objectsid"] != null && Object["objectsid"].Count > 0 && Object["objectsid"][0] != null)
{
ObjectSid = new System.Security.Principal.SecurityIdentifier(Object["objectsid"][0] as byte[], 0).Value;
}
else
{
ObjectSid = null;
}
try
{
var rsd = new System.Security.AccessControl.RawSecurityDescriptor(Object["ntsecuritydescriptor"][0] as byte[], 0);
var rawAcl = args.Sacl ? rsd.SystemAcl : rsd.DiscretionaryAcl;
foreach (var ace in rawAcl)
{
var acl = new ACL {
Ace = ace
};
bool Continue = false;
if (args.RightsFilter != null)
{
string GuidFilter = null;
switch (args.RightsFilter.Value)
{
case Rights.ResetPassword:
GuidFilter = "00299570-246d-11d0-a768-00aa006e0529";
break;
case Rights.WriteMembers:
GuidFilter = "bf9679c0-0de6-11d0-a285-00aa003049e2";
break;
default:
GuidFilter = "00000000-0000-0000-0000-000000000000";
break;
}
if (ace is System.Security.AccessControl.ObjectAccessRule)
{
if (string.Compare(((object)ace as System.Security.AccessControl.ObjectAccessRule).ObjectType.ToString(), GuidFilter, StringComparison.OrdinalIgnoreCase) == 0)
{
acl.ObjectDN = Object["distinguishedname"][0] as string;
acl.ObjectSID = ObjectSid;
Continue = true;
}
}
}
else
{
acl.ObjectDN = Object["distinguishedname"][0] as string;
acl.ObjectSID = ObjectSid;
Continue = true;
}
if (Continue)
{
if (ace is System.Security.AccessControl.KnownAce)
{
acl.ActiveDirectoryRights = (System.DirectoryServices.ActiveDirectoryRights)(ace as System.Security.AccessControl.KnownAce).AccessMask;
}
if (GUIDs != null)
{
// if we're resolving GUIDs, map them them to the resolved hash table
if (ace is ObjectAce)
{
try { (acl.Ace as ObjectAce).ObjectAceType = new Guid(GUIDs[(ace as ObjectAce).ObjectAceType.ToString()]); }
catch { }
try { (acl.Ace as ObjectAce).InheritedObjectAceType = new Guid(GUIDs[(ace as ObjectAce).InheritedObjectAceType.ToString()]); }
catch { }
}
else if (ace is ObjectAccessRule)
{
/*try { (acl.Ace as ObjectAccessRule).ObjectType = new Guid(GUIDs[(ace as ObjectAccessRule).ObjectType.ToString()]); }
* catch { }
* try { (acl.Ace as ObjectAccessRule).InheritedObjectType = new Guid(GUIDs[(ace as ObjectAccessRule).InheritedObjectType.ToString()]); }
* catch { }*/
}
}
ACLs.Add(acl);
}
}
}
catch (Exception e)
{
Logger.Write_Verbose($@"[Get-DomainObjectAcl] Error: {e}");
}
}
}
return(ACLs);
}
public static LDAPProperty Convert_LDAPProperty(System.DirectoryServices.ResultPropertyCollection Properties)
{
var ObjectProperties = new LDAPProperty();
foreach (string propName in Properties.PropertyNames)
{
if (string.Compare(propName, @"adspath", StringComparison.OrdinalIgnoreCase) != 0)
{
if (string.Compare(propName, @"objectsid", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"sidhistory", StringComparison.OrdinalIgnoreCase) == 0)
{
// convert all listed sids (i.e. if multiple are listed in sidHistory)
var values = new List <string>();
foreach (var property in Properties[propName])
{
var sid = new System.Security.Principal.SecurityIdentifier(property as byte[], 0);
values.Add(sid.Value);
}
if (string.Compare(propName, @"objectsid", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.objectsid = values.ToArray();
}
else
{
ObjectProperties.sidhistory = values.ToArray();
}
}
else if (string.Compare(propName, @"grouptype", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.grouptype = (GroupType)Properties[propName][0];
}
else if (string.Compare(propName, @"samaccounttype", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.samaccounttype = (SamAccountType)Properties[propName][0];
}
else if (string.Compare(propName, @"objectguid", StringComparison.OrdinalIgnoreCase) == 0)
{
// convert the GUID to a string
ObjectProperties.objectguid = new Guid(Properties[propName][0] as byte[]).ToString();
}
else if (string.Compare(propName, @"useraccountcontrol", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.useraccountcontrol = (UACEnumValue)Properties[propName][0];
}
else if (string.Compare(propName, @"ntsecuritydescriptor", StringComparison.OrdinalIgnoreCase) == 0)
{
// $ObjectProperties[$_] = New-Object Security.AccessControl.RawSecurityDescriptor -ArgumentList $Properties[$_][0], 0
var Descriptor = new System.Security.AccessControl.RawSecurityDescriptor(Properties[propName][0] as byte[], 0);
if (Descriptor.Owner != null)
{
ObjectProperties.Owner = Descriptor.Owner;
}
if (Descriptor.Group != null)
{
ObjectProperties.Group = Descriptor.Group;
}
if (Descriptor.DiscretionaryAcl != null)
{
ObjectProperties.DiscretionaryAcl = Descriptor.DiscretionaryAcl;
}
if (Descriptor.SystemAcl != null)
{
ObjectProperties.SystemAcl = Descriptor.SystemAcl;
}
}
else if (string.Compare(propName, @"accountexpires", StringComparison.OrdinalIgnoreCase) == 0)
{
if ((long)Properties[propName][0] >= DateTime.MaxValue.Ticks)
{
ObjectProperties.accountexpires = "NEVER";
}
else
{
ObjectProperties.accountexpires = DateTime.FromFileTime((long)Properties[propName][0]);
}
}
else if (string.Compare(propName, @"lastlogon", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"lastlogontimestamp", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"pwdlastset", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"lastlogoff", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"badPasswordTime", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"whencreated", StringComparison.OrdinalIgnoreCase) == 0 ||
string.Compare(propName, @"whenchanged", StringComparison.OrdinalIgnoreCase) == 0)
{
DateTime dt;
// convert timestamps
if (Properties[propName][0] is System.MarshalByRefObject)
{
// if we have a System.__ComObject
var Temp = Properties[propName][0];
var High = (Int32)Temp.GetType().InvokeMember("HighPart", System.Reflection.BindingFlags.GetProperty, null, Temp, null);
var Low = (Int32)Temp.GetType().InvokeMember("LowPart", System.Reflection.BindingFlags.GetProperty, null, Temp, null);
dt = DateTime.FromFileTime(Int64.Parse(string.Format("0x{0:x8}{1:x8}", High, Low)));
}
if (Properties[propName][0] is System.DateTime)
{
dt = (DateTime)Properties[propName][0];
}
else
{
// otherwise just a string
dt = DateTime.FromFileTime((long)Properties[propName][0]);
}
if (string.Compare(propName, @"lastlogon", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.lastlogon = dt;
}
else if (string.Compare(propName, @"lastlogontimestamp", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.lastlogontimestamp = dt;
}
else if (string.Compare(propName, @"pwdlastset", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.pwdlastset = dt;
}
else if (string.Compare(propName, @"lastlogoff", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.lastlogoff = dt;
}
else if (string.Compare(propName, @"badPasswordTime", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.badPasswordTime = dt;
}
else if (string.Compare(propName, @"whencreated", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.whencreated = dt;
}
else if (string.Compare(propName, @"whenchanged", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.whenchanged = dt;
}
}
else if (string.Compare(propName, @"name", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.name = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"distinguishedname", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.distinguishedname = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"dnsrecord", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.dnsrecord = Properties[propName][0];
}
else if (string.Compare(propName, @"samaccountname", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.samaccountname = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"member", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.member = Properties[propName].GetValues <string>().ToArray();
}
else if (string.Compare(propName, @"memberof", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.memberof = Properties[propName].GetValues <string>().ToArray();
}
else if (string.Compare(propName, @"cn", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.cn = Properties[propName].GetValues <string>().ToArray();
}
else if (string.Compare(propName, @"objectclass", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.objectclass = Properties[propName].GetValues <string>().ToArray();
}
else if (string.Compare(propName, @"managedby", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.managedby = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"siteobject", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.siteobject = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"ServicePrincipalName", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.ServicePrincipalName = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"dnshostname", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.dnshostname = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"gplink", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.gplink = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"gpoptions", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.gpoptions = (int)Properties[propName][0];
}
else if (string.Compare(propName, @"displayname", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.displayname = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"path", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.path = Properties[propName][0] as string;
}
else if (string.Compare(propName, @"siteobjectbl", StringComparison.OrdinalIgnoreCase) == 0)
{
ObjectProperties.siteobjectbl = Properties[propName][0] as string;
}
else if (Properties[propName][0] is System.MarshalByRefObject)
{
// try to convert misc com objects
var Prop = Properties[propName];
try
{
var Temp = Properties[propName][0];
var High = (Int32)Temp.GetType().InvokeMember("HighPart", System.Reflection.BindingFlags.GetProperty, null, Temp, null);
var Low = (Int32)Temp.GetType().InvokeMember("LowPart", System.Reflection.BindingFlags.GetProperty, null, Temp, null);
ObjectProperties.others.Add(propName, Int64.Parse(string.Format("0x{0:x8}{1:x8}", High, Low)));
}
catch (Exception e)
{
Logger.Write_Verbose($@"[Convert-LDAPProperty] error: {e}");
ObjectProperties.others.Add(propName, Prop[0]);
}
}
else if (Properties[propName].Count == 1)
{
ObjectProperties.others.Add(propName, Properties[propName][0]);
}
else
{
ObjectProperties.others.Add(propName, Properties[propName]);
}
}
}
return(ObjectProperties);
}
[HandleProcessCorruptedStateExceptions] //
#endif // FEATURE_CORRUPTING_EXCEPTIONS
internal static int GetSecurityInfo(
ResourceType resourceType,
string name,
SafeHandle handle,
AccessControlSections accessControlSections,
out RawSecurityDescriptor resultSd
)
{
resultSd = null;
//
// Demand unmanaged code permission
// The integrator layer is free to assert this permission
// and, in turn, demand another permission of its caller
//
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();
int errorCode;
IntPtr SidOwner, SidGroup, Dacl, Sacl, ByteArray;
SecurityInfos SecurityInfos = 0;
Privilege privilege = null;
if ((accessControlSections & AccessControlSections.Owner) != 0)
{
SecurityInfos |= SecurityInfos.Owner;
}
if ((accessControlSections & AccessControlSections.Group) != 0)
{
SecurityInfos |= SecurityInfos.Group;
}
if ((accessControlSections & AccessControlSections.Access) != 0)
{
SecurityInfos |= SecurityInfos.DiscretionaryAcl;
}
if ((accessControlSections & AccessControlSections.Audit) != 0)
{
SecurityInfos |= SecurityInfos.SystemAcl;
privilege = new Privilege(Privilege.Security);
}
// Ensure that the finally block will execute
RuntimeHelpers.PrepareConstrainedRegions();
try
{
if (privilege != null)
{
try
{
privilege.Enable();
}
catch (PrivilegeNotHeldException)
{
// we will ignore this exception and press on just in case this is a remote resource
}
}
if (name != null)
{
errorCode = ( int )Win32Native.GetSecurityInfoByName(name, ( uint )resourceType, ( uint )SecurityInfos, out SidOwner, out SidGroup, out Dacl, out Sacl, out ByteArray);
}
else if (handle != null)
{
if (handle.IsInvalid)
{
throw new ArgumentException(
Environment.GetResourceString("Argument_InvalidSafeHandle"),
"handle");
}
else
{
errorCode = ( int )Win32Native.GetSecurityInfoByHandle(handle, ( uint )resourceType, ( uint )SecurityInfos, out SidOwner, out SidGroup, out Dacl, out Sacl, out ByteArray);
}
}
else
{
// both are null, shouldn't happen
throw new SystemException();
}
if (errorCode == Win32Native.ERROR_SUCCESS && IntPtr.Zero.Equals(ByteArray))
{
//
// This means that the object doesn't have a security descriptor. And thus we throw
// a specific exception for the caller to catch and handle properly.
//
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_NoSecurityDescriptor"));
}
else if (errorCode == Win32Native.ERROR_NOT_ALL_ASSIGNED ||
errorCode == Win32Native.ERROR_PRIVILEGE_NOT_HELD)
{
throw new PrivilegeNotHeldException(Privilege.Security);
}
else if (errorCode == Win32Native.ERROR_ACCESS_DENIED ||
errorCode == Win32Native.ERROR_CANT_OPEN_ANONYMOUS)
{
throw new UnauthorizedAccessException();
}
if (errorCode != Win32Native.ERROR_SUCCESS)
{
goto Error;
}
}
catch
{
// protection against exception filter-based luring attacks
if (privilege != null)
{
privilege.Revert();
}
throw;
}
finally
{
if (privilege != null)
{
privilege.Revert();
}
}
//
// Extract data from the returned pointer
//
uint Length = Win32Native.GetSecurityDescriptorLength(ByteArray);
byte[] BinaryForm = new byte[Length];
Marshal.Copy(ByteArray, BinaryForm, 0, ( int )Length);
Win32Native.LocalFree(ByteArray);
resultSd = new RawSecurityDescriptor(BinaryForm, 0);
return(Win32Native.ERROR_SUCCESS);
Error:
if (errorCode == Win32Native.ERROR_NOT_ENOUGH_MEMORY)
{
throw new OutOfMemoryException();
}
return(errorCode);
}
private void UpdateWithNewSecurityDescriptor( RawSecurityDescriptor newOne, AccessControlSections includeSections )
{
Contract.Assert( newOne != null, "Must not supply a null parameter here" );
if (( includeSections & AccessControlSections.Owner ) != 0 )
{
_ownerModified = true;
_securityDescriptor.Owner = newOne.Owner;
}
if (( includeSections & AccessControlSections.Group ) != 0 )
{
_groupModified = true;
_securityDescriptor.Group = newOne.Group;
}
if (( includeSections & AccessControlSections.Audit ) != 0 )
{
_saclModified = true;
if ( newOne.SystemAcl != null )
{
_securityDescriptor.SystemAcl = new SystemAcl( IsContainer, IsDS, newOne.SystemAcl, true );
}
else
{
_securityDescriptor.SystemAcl = null;
}
// carry forward the SACL related control flags
_securityDescriptor.UpdateControlFlags(SACL_CONTROL_FLAGS, (ControlFlags)(newOne.ControlFlags & SACL_CONTROL_FLAGS));
}
if (( includeSections & AccessControlSections.Access ) != 0 )
{
_daclModified = true;
if ( newOne.DiscretionaryAcl != null )
{
_securityDescriptor.DiscretionaryAcl = new DiscretionaryAcl( IsContainer, IsDS, newOne.DiscretionaryAcl, true );
}
else
{
_securityDescriptor.DiscretionaryAcl = null;
}
// by the following property set, the _securityDescriptor's control flags
// may contains DACL present flag. That needs to be carried forward! Therefore, we OR
// the current _securityDescriptor.s DACL present flag.
ControlFlags daclFlag = (_securityDescriptor.ControlFlags & ControlFlags.DiscretionaryAclPresent);
_securityDescriptor.UpdateControlFlags(DACL_CONTROL_FLAGS,
(ControlFlags)((newOne.ControlFlags | daclFlag) & DACL_CONTROL_FLAGS));
}
}
internal CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor, bool trusted)
{
if (rawSecurityDescriptor == null)
{
throw new ArgumentNullException(nameof(rawSecurityDescriptor));
}
Contract.EndContractBlock();
CreateFromParts(
isContainer,
isDS,
rawSecurityDescriptor.ControlFlags,
rawSecurityDescriptor.Owner,
rawSecurityDescriptor.Group,
rawSecurityDescriptor.SystemAcl == null ? null : new SystemAcl(isContainer, isDS, rawSecurityDescriptor.SystemAcl, trusted),
rawSecurityDescriptor.DiscretionaryAcl == null ? null : new DiscretionaryAcl(isContainer, isDS, rawSecurityDescriptor.DiscretionaryAcl, trusted));
}
/// <summary>
/// Sets the security descriptor associated with the file or directory.
/// </summary>
/// <param name="path">The file or directory to change.</param>
/// <param name="securityDescriptor">The new security descriptor.</param>
public void SetSecurity(string path, RawSecurityDescriptor securityDescriptor)
{
using (new NtfsTransaction())
{
DirectoryEntry dirEntry = GetDirectoryEntry(path);
if (dirEntry == null)
{
throw new FileNotFoundException("File not found", path);
}
else
{
File file = GetFile(dirEntry.Reference);
DoSetSecurity(file, securityDescriptor);
// Update the directory entry used to open the file
dirEntry.UpdateFrom(file);
}
}
}
private static void CanonicalizeDacl(NativeObjectSecurity objectSecurity)
{
if (objectSecurity == null) { throw new ArgumentNullException("objectSecurity"); }
if (objectSecurity.AreAccessRulesCanonical) { return; }
// A canonical ACL must have ACES sorted according to the following order:
// 1. Access-denied on the object
// 2. Access-denied on a child or property
// 3. Access-allowed on the object
// 4. Access-allowed on a child or property
// 5. All inherited ACEs
RawSecurityDescriptor descriptor = new RawSecurityDescriptor(objectSecurity.GetSecurityDescriptorSddlForm(AccessControlSections.Access));
List<CommonAce> implicitDenyDacl = new List<CommonAce>();
List<CommonAce> implicitDenyObjectDacl = new List<CommonAce>();
List<CommonAce> inheritedDacl = new List<CommonAce>();
List<CommonAce> implicitAllowDacl = new List<CommonAce>();
List<CommonAce> implicitAllowObjectDacl = new List<CommonAce>();
foreach (CommonAce ace in descriptor.DiscretionaryAcl)
{
if ((ace.AceFlags & AceFlags.Inherited) == AceFlags.Inherited) { inheritedDacl.Add(ace); }
else
{
switch (ace.AceType)
{
case AceType.AccessAllowed:
implicitAllowDacl.Add(ace);
break;
case AceType.AccessDenied:
implicitDenyDacl.Add(ace);
break;
case AceType.AccessAllowedObject:
implicitAllowObjectDacl.Add(ace);
break;
case AceType.AccessDeniedObject:
implicitDenyObjectDacl.Add(ace);
break;
}
}
}
Int32 aceIndex = 0;
RawAcl newDacl = new RawAcl(descriptor.DiscretionaryAcl.Revision, descriptor.DiscretionaryAcl.Count);
implicitDenyDacl.ForEach(x => newDacl.InsertAce(aceIndex++, x));
implicitDenyObjectDacl.ForEach(x => newDacl.InsertAce(aceIndex++, x));
implicitAllowDacl.ForEach(x => newDacl.InsertAce(aceIndex++, x));
implicitAllowObjectDacl.ForEach(x => newDacl.InsertAce(aceIndex++, x));
inheritedDacl.ForEach(x => newDacl.InsertAce(aceIndex++, x));
if (aceIndex != descriptor.DiscretionaryAcl.Count)
{
System.Diagnostics.Debug.Fail("The DACL cannot be canonicalized since it would potentially result in a loss of information");
return;
}
descriptor.DiscretionaryAcl = newDacl;
objectSecurity.SetSecurityDescriptorSddlForm(descriptor.GetSddlForm(AccessControlSections.Access), AccessControlSections.Access);
}
public void FlagMismatch ()
{
// Check setting DACL-present flag on empty SD
RawSecurityDescriptor sd = new RawSecurityDescriptor ("");
Assert.AreEqual (20, sd.BinaryLength);
sd.SetFlags (ControlFlags.DiscretionaryAclPresent);
Assert.AreEqual (20, sd.BinaryLength);
byte[] buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
byte[] sdBinary = new byte[] {
0x01, 0x00, 0x04, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Assert.AreEqual (sdBinary, buffer);
// Check unsetting DACL-present flag on SD with DACL
sd = new RawSecurityDescriptor ("O:BUG:BAD:(A;;RPWPCCDCLCSWRCWDWOGA;;;S-1-0-0)");
Assert.AreEqual (80, sd.BinaryLength);
sd.SetFlags (sd.ControlFlags & ~ControlFlags.DiscretionaryAclPresent);
Assert.AreEqual (ControlFlags.SelfRelative, sd.ControlFlags);
Assert.AreEqual (52, sd.BinaryLength);
buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
sdBinary = new byte[] {
0x01, 0x00, 0x00, 0x80, 0x14, 0x00, 0x00, 0x00, 0x24, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x20, 0x00,
0x00, 0x00, 0x21, 0x02, 0x00, 0x00, 0x01, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02,
0x00, 0x00 };
Assert.AreEqual (sdBinary, buffer);
}
internal static int GetSecurityInfo(ResourceType resourceType, string name, SafeHandle handle, AccessControlSections accessControlSections, out RawSecurityDescriptor resultSd)
{
resultSd = null;
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();
SecurityInfos securityInfos = (SecurityInfos)0;
Privilege privilege = null;
if ((accessControlSections & AccessControlSections.Owner) != AccessControlSections.None)
{
securityInfos |= SecurityInfos.Owner;
}
if ((accessControlSections & AccessControlSections.Group) != AccessControlSections.None)
{
securityInfos |= SecurityInfos.Group;
}
if ((accessControlSections & AccessControlSections.Access) != AccessControlSections.None)
{
securityInfos |= SecurityInfos.DiscretionaryAcl;
}
if ((accessControlSections & AccessControlSections.Audit) != AccessControlSections.None)
{
securityInfos |= SecurityInfos.SystemAcl;
privilege = new Privilege("SeSecurityPrivilege");
}
RuntimeHelpers.PrepareConstrainedRegions();
IntPtr intPtr5;
int num;
try
{
if (privilege != null)
{
try
{
privilege.Enable();
}
catch (PrivilegeNotHeldException)
{
}
}
if (name != null)
{
IntPtr intPtr;
IntPtr intPtr2;
IntPtr intPtr3;
IntPtr intPtr4;
num = (int)Win32Native.GetSecurityInfoByName(name, (uint)resourceType, (uint)securityInfos, out intPtr, out intPtr2, out intPtr3, out intPtr4, out intPtr5);
}
else
{
if (handle == null)
{
throw new SystemException();
}
if (handle.IsInvalid)
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidSafeHandle"), "handle");
}
IntPtr intPtr;
IntPtr intPtr2;
IntPtr intPtr3;
IntPtr intPtr4;
num = (int)Win32Native.GetSecurityInfoByHandle(handle, (uint)resourceType, (uint)securityInfos, out intPtr, out intPtr2, out intPtr3, out intPtr4, out intPtr5);
}
if (num == 0 && IntPtr.Zero.Equals(intPtr5))
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_NoSecurityDescriptor"));
}
if (num == 1300 || num == 1314)
{
throw new PrivilegeNotHeldException("SeSecurityPrivilege");
}
if (num == 5 || num == 1347)
{
throw new UnauthorizedAccessException();
}
if (num != 0)
{
goto IL_162;
}
}
catch
{
if (privilege != null)
{
privilege.Revert();
}
throw;
}
finally
{
if (privilege != null)
{
privilege.Revert();
}
}
uint securityDescriptorLength = Win32Native.GetSecurityDescriptorLength(intPtr5);
byte[] array = new byte[securityDescriptorLength];
Marshal.Copy(intPtr5, array, 0, (int)securityDescriptorLength);
Win32Native.LocalFree(intPtr5);
resultSd = new RawSecurityDescriptor(array, 0);
return(0);
IL_162:
if (num == 8)
{
throw new OutOfMemoryException();
}
return(num);
}
public void GetBinaryForm ()
{
RawSecurityDescriptor sd = new RawSecurityDescriptor ("");
sd.Owner = new SecurityIdentifier (WellKnownSidType.BuiltinUsersSid, null);
sd.Group = new SecurityIdentifier (WellKnownSidType.BuiltinAdministratorsSid, null);
sd.DiscretionaryAcl = new RawAcl (1, 0);
sd.SystemAcl = new RawAcl (1, 0);
sd.SetFlags (sd.ControlFlags | ControlFlags.DiscretionaryAclPresent | ControlFlags.SystemAclPresent);
// Empty ACL form
byte[] buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
byte[] sdBinary = new byte[] {
0x01, 0x00, 0x14, 0x80, 0x14, 0x00, 0x00, 0x00, 0x24, 0x00,
0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00,
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x20, 0x00,
0x00, 0x00, 0x21, 0x02, 0x00, 0x00, 0x01, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02,
0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 };
Assert.AreEqual (sdBinary, buffer);
// Add an ACE to the DACL
SecurityIdentifier builtInAdmins = new SecurityIdentifier (WellKnownSidType.BuiltinAdministratorsSid, null);
CommonAce ace = new CommonAce (AceFlags.None, AceQualifier.AccessAllowed, 0x7FFFFFFF, builtInAdmins, false, null);
sd.DiscretionaryAcl.InsertAce (0, ace);
buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
sdBinary = new byte[] {
0x01, 0x00, 0x14, 0x80, 0x14, 0x00, 0x00, 0x00, 0x24, 0x00,
0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00,
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x20, 0x00,
0x00, 0x00, 0x21, 0x02, 0x00, 0x00, 0x01, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02,
0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x20, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x18, 0x00, 0xFF, 0xFF, 0xFF, 0x7F, 0x01, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02,
0x00, 0x00 };
Assert.AreEqual (sdBinary, buffer);
// This time with an Object ACE
ObjectAce objectAce = new ObjectAce (AceFlags.Inherited, AceQualifier.AccessAllowed, 0x12345678, builtInAdmins, ObjectAceFlags.ObjectAceTypePresent | ObjectAceFlags.InheritedObjectAceTypePresent, new Guid ("189c0dc7-b849-4dea-93a5-6d4cb8857a5c"), new Guid ("53b4a3d4-fe39-468b-bc60-b4fcba772fa5"), false, null);
sd.DiscretionaryAcl = new RawAcl (2, 0);
sd.DiscretionaryAcl.InsertAce (0, objectAce);
buffer = new byte[sd.BinaryLength];
sd.GetBinaryForm (buffer, 0);
sdBinary = new byte[] {
0x01, 0x00, 0x14, 0x80, 0x14, 0x00, 0x00, 0x00, 0x24, 0x00,
0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00,
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x20, 0x00,
0x00, 0x00, 0x21, 0x02, 0x00, 0x00, 0x01, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02,
0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x44, 0x00, 0x01, 0x00, 0x00, 0x00, 0x05, 0x10,
0x3C, 0x00, 0x78, 0x56, 0x34, 0x12, 0x03, 0x00, 0x00, 0x00,
0xC7, 0x0D, 0x9C, 0x18, 0x49, 0xB8, 0xEA, 0x4D, 0x93, 0xA5,
0x6D, 0x4C, 0xB8, 0x85, 0x7A, 0x5C, 0xD4, 0xA3, 0xB4, 0x53,
0x39, 0xFE, 0x8B, 0x46, 0xBC, 0x60, 0xB4, 0xFC, 0xBA, 0x77,
0x2F, 0xA5, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x20, 0x00, 0x00, 0x00, 0x20, 0x02, 0x00, 0x00 };
Assert.AreEqual (sdBinary, buffer);
}
public CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor)
{
}
//
// Wrapper around advapi32.GetSecurityInfo
//
internal static int GetSecurityInfo(
ResourceType resourceType,
string name,
SafeHandle handle,
AccessControlSections accessControlSections,
out RawSecurityDescriptor resultSd
)
{
resultSd = null;
int errorCode;
IntPtr SidOwner, SidGroup, Dacl, Sacl, ByteArray;
SecurityInfos SecurityInfos = 0;
Privilege privilege = null;
if ((accessControlSections & AccessControlSections.Owner) != 0)
{
SecurityInfos |= SecurityInfos.Owner;
}
if ((accessControlSections & AccessControlSections.Group) != 0)
{
SecurityInfos |= SecurityInfos.Group;
}
if ((accessControlSections & AccessControlSections.Access) != 0)
{
SecurityInfos |= SecurityInfos.DiscretionaryAcl;
}
if ((accessControlSections & AccessControlSections.Audit) != 0)
{
SecurityInfos |= SecurityInfos.SystemAcl;
privilege = new Privilege(Privilege.Security);
}
try
{
if (privilege != null)
{
try
{
privilege.Enable();
}
catch (PrivilegeNotHeldException)
{
// we will ignore this exception and press on just in case this is a remote resource
}
}
if (name != null)
{
errorCode = (int)Interop.mincore.GetSecurityInfoByName(name, (uint)resourceType, (uint)SecurityInfos, out SidOwner, out SidGroup, out Dacl, out Sacl, out ByteArray);
}
else if (handle != null)
{
if (handle.IsInvalid)
{
throw new ArgumentException(
SR.Argument_InvalidSafeHandle,
nameof(handle));
}
else
{
errorCode = (int)Interop.mincore.GetSecurityInfoByHandle(handle, (uint)resourceType, (uint)SecurityInfos, out SidOwner, out SidGroup, out Dacl, out Sacl, out ByteArray);
}
}
else
{
// both are null, shouldn't happen
// Changing from SystemException to ArgumentException as this code path is indicative of a null name argument
// as well as an accessControlSections argument with an audit flag
throw new ArgumentException();
}
if (errorCode == Interop.mincore.Errors.ERROR_SUCCESS && IntPtr.Zero.Equals(ByteArray))
{
//
// This means that the object doesn't have a security descriptor. And thus we throw
// a specific exception for the caller to catch and handle properly.
//
throw new InvalidOperationException(SR.InvalidOperation_NoSecurityDescriptor);
}
else if (errorCode == Interop.mincore.Errors.ERROR_NOT_ALL_ASSIGNED ||
errorCode == Interop.mincore.Errors.ERROR_PRIVILEGE_NOT_HELD)
{
throw new PrivilegeNotHeldException(Privilege.Security);
}
else if (errorCode == Interop.mincore.Errors.ERROR_ACCESS_DENIED ||
errorCode == Interop.mincore.Errors.ERROR_CANT_OPEN_ANONYMOUS)
{
throw new UnauthorizedAccessException();
}
if (errorCode != Interop.mincore.Errors.ERROR_SUCCESS)
{
goto Error;
}
}
catch
{
// protection against exception filter-based luring attacks
if (privilege != null)
{
privilege.Revert();
}
throw;
}
finally
{
if (privilege != null)
{
privilege.Revert();
}
}
//
// Extract data from the returned pointer
//
uint Length = Interop.mincore.GetSecurityDescriptorLength(ByteArray);
byte[] BinaryForm = new byte[Length];
Marshal.Copy(ByteArray, BinaryForm, 0, (int)Length);
Interop.mincore_obsolete.LocalFree(ByteArray);
resultSd = new RawSecurityDescriptor(BinaryForm, 0);
return Interop.mincore.Errors.ERROR_SUCCESS;
Error:
if (errorCode == Interop.mincore.Errors.ERROR_NOT_ENOUGH_MEMORY)
{
throw new OutOfMemoryException();
}
return errorCode;
}
//
// Wrapper around advapi32.GetSecurityInfo
//
internal static int GetSecurityInfo(
ResourceType resourceType,
string name,
SafeHandle handle,
AccessControlSections accessControlSections,
out RawSecurityDescriptor resultSd
)
{
resultSd = null;
int errorCode;
IntPtr SidOwner, SidGroup, Dacl, Sacl, ByteArray;
SecurityInfos SecurityInfos = 0;
Privilege privilege = null;
if ((accessControlSections & AccessControlSections.Owner) != 0)
{
SecurityInfos |= SecurityInfos.Owner;
}
if ((accessControlSections & AccessControlSections.Group) != 0)
{
SecurityInfos |= SecurityInfos.Group;
}
if ((accessControlSections & AccessControlSections.Access) != 0)
{
SecurityInfos |= SecurityInfos.DiscretionaryAcl;
}
if ((accessControlSections & AccessControlSections.Audit) != 0)
{
SecurityInfos |= SecurityInfos.SystemAcl;
privilege = new Privilege(Privilege.Security);
}
try
{
if (privilege != null)
{
try
{
privilege.Enable();
}
catch (PrivilegeNotHeldException)
{
// we will ignore this exception and press on just in case this is a remote resource
}
}
if (name != null)
{
errorCode = (int)Interop.mincore.GetSecurityInfoByName(name, (uint)resourceType, (uint)SecurityInfos, out SidOwner, out SidGroup, out Dacl, out Sacl, out ByteArray);
}
else if (handle != null)
{
if (handle.IsInvalid)
{
throw new ArgumentException(
SR.Argument_InvalidSafeHandle,
nameof(handle));
}
else
{
errorCode = (int)Interop.mincore.GetSecurityInfoByHandle(handle, (uint)resourceType, (uint)SecurityInfos, out SidOwner, out SidGroup, out Dacl, out Sacl, out ByteArray);
}
}
else
{
// both are null, shouldn't happen
// Changing from SystemException to ArgumentException as this code path is indicative of a null name argument
// as well as an accessControlSections argument with an audit flag
throw new ArgumentException();
}
if (errorCode == Interop.mincore.Errors.ERROR_SUCCESS && IntPtr.Zero.Equals(ByteArray))
{
//
// This means that the object doesn't have a security descriptor. And thus we throw
// a specific exception for the caller to catch and handle properly.
//
throw new InvalidOperationException(SR.InvalidOperation_NoSecurityDescriptor);
}
else if (errorCode == Interop.mincore.Errors.ERROR_NOT_ALL_ASSIGNED ||
errorCode == Interop.mincore.Errors.ERROR_PRIVILEGE_NOT_HELD)
{
throw new PrivilegeNotHeldException(Privilege.Security);
}
else if (errorCode == Interop.mincore.Errors.ERROR_ACCESS_DENIED ||
errorCode == Interop.mincore.Errors.ERROR_CANT_OPEN_ANONYMOUS)
{
throw new UnauthorizedAccessException();
}
if (errorCode != Interop.mincore.Errors.ERROR_SUCCESS)
{
goto Error;
}
}
catch
{
// protection against exception filter-based luring attacks
if (privilege != null)
{
privilege.Revert();
}
throw;
}
finally
{
if (privilege != null)
{
privilege.Revert();
}
}
//
// Extract data from the returned pointer
//
uint Length = Interop.mincore.GetSecurityDescriptorLength(ByteArray);
byte[] BinaryForm = new byte[Length];
Marshal.Copy(ByteArray, BinaryForm, 0, (int)Length);
Interop.mincore_obsolete.LocalFree(ByteArray);
resultSd = new RawSecurityDescriptor(BinaryForm, 0);
return(Interop.mincore.Errors.ERROR_SUCCESS);
Error:
if (errorCode == Interop.mincore.Errors.ERROR_NOT_ENOUGH_MEMORY)
{
throw new OutOfMemoryException();
}
return(errorCode);
}
private void CreateFromParts(bool isContainer, bool isDS, ControlFlags flags, SecurityIdentifier owner, SecurityIdentifier group, SystemAcl systemAcl, DiscretionaryAcl discretionaryAcl)
{
if (systemAcl != null &&
systemAcl.IsContainer != isContainer)
{
throw new ArgumentException(
isContainer ?
SR.AccessControl_MustSpecifyContainerAcl :
SR.AccessControl_MustSpecifyLeafObjectAcl,
nameof(systemAcl));
}
if (discretionaryAcl != null &&
discretionaryAcl.IsContainer != isContainer)
{
throw new ArgumentException(
isContainer ?
SR.AccessControl_MustSpecifyContainerAcl :
SR.AccessControl_MustSpecifyLeafObjectAcl,
nameof(discretionaryAcl));
}
_isContainer = isContainer;
if (systemAcl != null &&
systemAcl.IsDS != isDS)
{
throw new ArgumentException(
isDS ?
SR.AccessControl_MustSpecifyDirectoryObjectAcl :
SR.AccessControl_MustSpecifyNonDirectoryObjectAcl,
nameof(systemAcl));
}
if (discretionaryAcl != null &&
discretionaryAcl.IsDS != isDS)
{
throw new ArgumentException(
isDS ?
SR.AccessControl_MustSpecifyDirectoryObjectAcl :
SR.AccessControl_MustSpecifyNonDirectoryObjectAcl,
nameof(discretionaryAcl));
}
_isDS = isDS;
_sacl = systemAcl;
//
// Replace null DACL with an allow-all for everyone DACL
//
if (discretionaryAcl == null)
{
//
// to conform to native behavior, we will add allow everyone ace for DACL
//
discretionaryAcl = DiscretionaryAcl.CreateAllowEveryoneFullAccess(_isDS, _isContainer);
}
_dacl = discretionaryAcl;
//
// DACL is never null. So always set the flag bit on
//
ControlFlags actualFlags = flags | ControlFlags.DiscretionaryAclPresent;
//
// Keep SACL and the flag bit in sync.
//
if (systemAcl == null)
{
unchecked { actualFlags &= ~(ControlFlags.SystemAclPresent); }
}
else
{
actualFlags |= (ControlFlags.SystemAclPresent);
}
_rawSd = new RawSecurityDescriptor(actualFlags, owner, group, systemAcl == null ? null : systemAcl.RawAcl, discretionaryAcl.RawAcl);
}
private void CreateFromParts(bool isContainer, bool isDS, ControlFlags flags, SecurityIdentifier owner, SecurityIdentifier group, SystemAcl systemAcl, DiscretionaryAcl discretionaryAcl)
{
if (systemAcl != null &&
systemAcl.IsContainer != isContainer)
{
throw new ArgumentException(
isContainer ?
SR.AccessControl_MustSpecifyContainerAcl :
SR.AccessControl_MustSpecifyLeafObjectAcl,
nameof(systemAcl));
}
if (discretionaryAcl != null &&
discretionaryAcl.IsContainer != isContainer)
{
throw new ArgumentException(
isContainer ?
SR.AccessControl_MustSpecifyContainerAcl :
SR.AccessControl_MustSpecifyLeafObjectAcl,
nameof(discretionaryAcl));
}
_isContainer = isContainer;
if (systemAcl != null &&
systemAcl.IsDS != isDS)
{
throw new ArgumentException(
isDS ?
SR.AccessControl_MustSpecifyDirectoryObjectAcl :
SR.AccessControl_MustSpecifyNonDirectoryObjectAcl,
nameof(systemAcl));
}
if (discretionaryAcl != null &&
discretionaryAcl.IsDS != isDS)
{
throw new ArgumentException(
isDS ?
SR.AccessControl_MustSpecifyDirectoryObjectAcl :
SR.AccessControl_MustSpecifyNonDirectoryObjectAcl,
nameof(discretionaryAcl));
}
_isDS = isDS;
_sacl = systemAcl;
//
// Replace null DACL with an allow-all for everyone DACL
//
if (discretionaryAcl == null)
{
//
// to conform to native behavior, we will add allow everyone ace for DACL
//
discretionaryAcl = DiscretionaryAcl.CreateAllowEveryoneFullAccess(_isDS, _isContainer);
}
_dacl = discretionaryAcl;
//
// DACL is never null. So always set the flag bit on
//
ControlFlags actualFlags = flags | ControlFlags.DiscretionaryAclPresent;
//
// Keep SACL and the flag bit in sync.
//
if (systemAcl == null)
{
unchecked { actualFlags &= ~(ControlFlags.SystemAclPresent); }
}
else
{
actualFlags |= (ControlFlags.SystemAclPresent);
}
_rawSd = new RawSecurityDescriptor(actualFlags, owner, group, systemAcl == null ? null : systemAcl.RawAcl, discretionaryAcl.RawAcl);
}
// Summary: // Initializes a new instance of the System.Security.AccessControl.CommonSecurityDescriptor // class from the specified System.Security.AccessControl.RawSecurityDescriptor // object. // // Parameters: // isContainer: // true if the new security descriptor is associated with a container object. // // isDS: // true if the new security descriptor is associated with a directory object. // // rawSecurityDescriptor: // The System.Security.AccessControl.RawSecurityDescriptor object from which // to create the new System.Security.AccessControl.CommonSecurityDescriptor // object. extern public CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor);
public CommonSecurityDescriptor(bool isContainer, bool isDS, RawSecurityDescriptor rawSecurityDescriptor)
: this(isContainer, isDS, rawSecurityDescriptor, false)
{
}
