protected override void ProcessRecord()
{
string sddlForm;
ObjectSecurity objectSecurity = this.securityDescriptor as ObjectSecurity;
if (this.inputObject == null)
{
if (this.Path != null)
{
if (objectSecurity != null)
{
if ((this.CentralAccessPolicy != null || this.ClearCentralAccessPolicy) && !DownLevelHelper.IsWin8AndAbove())
{
Exception parameterBindingException = new ParameterBindingException();
base.WriteError(new ErrorRecord(parameterBindingException, "SetAcl_OperationNotSupported", ErrorCategory.InvalidArgument, null));
return;
}
else
{
if (this.CentralAccessPolicy == null || !this.ClearCentralAccessPolicy)
{
IntPtr zero = IntPtr.Zero;
NativeMethods.TOKEN_PRIVILEGE tOKENPRIVILEGE = new NativeMethods.TOKEN_PRIVILEGE();
try
{
if (this.CentralAccessPolicy == null)
{
if (this.ClearCentralAccessPolicy)
{
zero = this.GetEmptySacl();
if (zero == IntPtr.Zero)
{
SystemException systemException = new SystemException(UtilsStrings.GetEmptySaclFail);
base.WriteError(new ErrorRecord(systemException, "SetAcl_ClearCentralAccessPolicy", ErrorCategory.InvalidResult, null));
return;
}
}
}
else
{
zero = this.GetSaclWithCapId(this.CentralAccessPolicy);
if (zero == IntPtr.Zero)
{
SystemException systemException1 = new SystemException(UtilsStrings.GetSaclWithCapIdFail);
base.WriteError(new ErrorRecord(systemException1, "SetAcl_CentralAccessPolicy", ErrorCategory.InvalidResult, null));
return;
}
}
string[] path = this.Path;
for (int i = 0; i < (int)path.Length; i++)
{
string str = path[i];
Collection<PathInfo> pathInfos = new Collection<PathInfo>();
CmdletProviderContext cmdletProviderContext = base.CmdletProviderContext;
cmdletProviderContext.PassThru = this.Passthru;
if (!this.isLiteralPath)
{
pathInfos = base.SessionState.Path.GetResolvedPSPathFromPSPath(str, base.CmdletProviderContext);
}
else
{
ProviderInfo providerInfo = null;
PSDriveInfo pSDriveInfo = null;
string unresolvedProviderPathFromPSPath = base.SessionState.Path.GetUnresolvedProviderPathFromPSPath(str, out providerInfo, out pSDriveInfo);
pathInfos.Add(new PathInfo(pSDriveInfo, providerInfo, unresolvedProviderPathFromPSPath, base.SessionState));
cmdletProviderContext.SuppressWildcardExpansion = true;
}
foreach (PathInfo pathInfo in pathInfos)
{
if (!base.ShouldProcess(pathInfo.Path))
{
continue;
}
try
{
base.InvokeProvider.SecurityDescriptor.Set(pathInfo.Path, objectSecurity, cmdletProviderContext);
if (this.CentralAccessPolicy != null || this.ClearCentralAccessPolicy)
{
if (pathInfo.Provider.NameEquals(base.Context.ProviderNames.FileSystem))
{
IntPtr tokenWithEnabledPrivilege = this.GetTokenWithEnabledPrivilege("SeSecurityPrivilege", tOKENPRIVILEGE);
if (tokenWithEnabledPrivilege != IntPtr.Zero)
{
int num = NativeMethods.SetNamedSecurityInfo(pathInfo.ProviderPath, NativeMethods.SeObjectType.SE_FILE_OBJECT, NativeMethods.SecurityInformation.SCOPE_SECURITY_INFORMATION, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, zero);
if (tokenWithEnabledPrivilege != IntPtr.Zero)
{
NativeMethods.TOKEN_PRIVILEGE tOKENPRIVILEGE1 = new NativeMethods.TOKEN_PRIVILEGE();
uint num1 = 0;
NativeMethods.AdjustTokenPrivileges(tokenWithEnabledPrivilege, false, ref tOKENPRIVILEGE, Marshal.SizeOf(tOKENPRIVILEGE1), ref tOKENPRIVILEGE1, ref num1);
NativeMethods.CloseHandle(tokenWithEnabledPrivilege);
}
if (num != 0)
{
SystemException win32Exception = new Win32Exception(num, UtilsStrings.SetCentralAccessPolicyFail);
base.WriteError(new ErrorRecord(win32Exception, "SetAcl_SetNamedSecurityInfo", ErrorCategory.InvalidResult, null));
}
}
else
{
SystemException systemException2 = new SystemException(UtilsStrings.GetTokenWithEnabledPrivilegeFail);
base.WriteError(new ErrorRecord(systemException2, "SetAcl_AdjustTokenPrivileges", ErrorCategory.InvalidResult, null));
return;
}
}
else
{
Exception argumentException = new ArgumentException("Path");
base.WriteError(new ErrorRecord(argumentException, "SetAcl_Path", ErrorCategory.InvalidArgument, this.AclObject));
continue;
}
}
}
catch (NotSupportedException notSupportedException)
{
object[] objArray = new object[1];
objArray[0] = pathInfo.Path;
ErrorRecord errorRecord = SecurityUtils.CreateNotSupportedErrorRecord(UtilsStrings.OperationNotSupportedOnPath, "SetAcl_OperationNotSupported", objArray);
base.WriteError(errorRecord);
}
}
}
return;
}
finally
{
Marshal.FreeHGlobal(zero);
}
}
else
{
Exception exception = new ArgumentException(UtilsStrings.InvalidCentralAccessPolicyParameters);
ErrorRecord errorRecord1 = SecurityUtils.CreateInvalidArgumentErrorRecord(exception, "SetAcl_OperationNotSupported");
base.WriteError(errorRecord1);
return;
}
}
}
else
{
Exception argumentException1 = new ArgumentException("AclObject");
base.WriteError(new ErrorRecord(argumentException1, "SetAcl_AclObject", ErrorCategory.InvalidArgument, this.AclObject));
return;
}
}
else
{
Exception exception1 = new ArgumentException("Path");
base.WriteError(new ErrorRecord(exception1, "SetAcl_Path", ErrorCategory.InvalidArgument, this.AclObject));
}
}
else
{
PSMethodInfo item = this.inputObject.Methods["SetSecurityDescriptor"];
if (item == null)
{
ErrorRecord errorRecord2 = SecurityUtils.CreateNotSupportedErrorRecord(UtilsStrings.SetMethodNotFound, "SetAcl_OperationNotSupported", new object[0]);
base.WriteError(errorRecord2);
return;
}
else
{
CommonSecurityDescriptor commonSecurityDescriptor = this.securityDescriptor as CommonSecurityDescriptor;
if (objectSecurity == null)
{
if (commonSecurityDescriptor == null)
{
Exception argumentException2 = new ArgumentException("AclObject");
base.WriteError(new ErrorRecord(argumentException2, "SetAcl_AclObject", ErrorCategory.InvalidArgument, this.AclObject));
return;
}
else
{
sddlForm = commonSecurityDescriptor.GetSddlForm(AccessControlSections.All);
}
}
else
{
sddlForm = objectSecurity.GetSecurityDescriptorSddlForm(AccessControlSections.All);
}
try
{
object[] objArray1 = new object[1];
objArray1[0] = sddlForm;
item.Invoke(objArray1);
return;
}
catch (Exception exception3)
{
Exception exception2 = exception3;
CommandProcessorBase.CheckForSevereException(exception2);
ErrorRecord errorRecord3 = SecurityUtils.CreateNotSupportedErrorRecord(UtilsStrings.MethodInvokeFail, "SetAcl_OperationNotSupported", new object[0]);
base.WriteError(errorRecord3);
}
}
}
}
/// Processes records from the input pipeline.
/// For each input file, the command sets its
/// security descriptor to the specified
/// Access Control List (ACL).
protected override void ProcessRecord()
{
ObjectSecurity aclObjectSecurity = _securityDescriptor as ObjectSecurity;
if (_inputObject != null)
{
PSMethodInfo methodInfo = _inputObject.Methods["SetSecurityDescriptor"];
if (methodInfo != null)
{
CommonSecurityDescriptor aclCommonSD = _securityDescriptor as CommonSecurityDescriptor;
string sddl;
if (aclObjectSecurity != null)
{
sddl = aclObjectSecurity.GetSecurityDescriptorSddlForm(AccessControlSections.All);
}
else if (aclCommonSD != null)
{
sddl = aclCommonSD.GetSddlForm(AccessControlSections.All);
}
else
{
Exception e = new ArgumentException("AclObject");
WriteError(new ErrorRecord(
e,
"SetAcl_AclObject",
ErrorCategory.InvalidArgument,
AclObject));
return;
}
try
{
methodInfo.Invoke(sddl);
}
catch (Exception e)
{
// Calling user code, Catch-all OK
CommandProcessorBase.CheckForSevereException(e);
ErrorRecord er =
SecurityUtils.CreateNotSupportedErrorRecord(
UtilsStrings.MethodInvokeFail,
"SetAcl_OperationNotSupported"
);
WriteError(er);
return;
}
}
else
{
ErrorRecord er =
SecurityUtils.CreateNotSupportedErrorRecord(
UtilsStrings.SetMethodNotFound,
"SetAcl_OperationNotSupported"
);
WriteError(er);
}
}
else
{
if (Path == null)
{
Exception e = new ArgumentException("Path");
WriteError(new ErrorRecord(
e,
"SetAcl_Path",
ErrorCategory.InvalidArgument,
AclObject));
return;
}
if (aclObjectSecurity == null)
{
Exception e = new ArgumentException("AclObject");
WriteError(new ErrorRecord(
e,
"SetAcl_AclObject",
ErrorCategory.InvalidArgument,
AclObject));
return;
}
if (CentralAccessPolicy != null || ClearCentralAccessPolicy)
{
if (!DownLevelHelper.IsWin8AndAbove())
{
Exception e = new ParameterBindingException();
WriteError(new ErrorRecord(
e,
"SetAcl_OperationNotSupported",
ErrorCategory.InvalidArgument,
null));
return;
}
}
if (CentralAccessPolicy != null && ClearCentralAccessPolicy)
{
Exception e = new ArgumentException(UtilsStrings.InvalidCentralAccessPolicyParameters);
ErrorRecord er =
SecurityUtils.CreateInvalidArgumentErrorRecord(
e,
"SetAcl_OperationNotSupported"
);
WriteError(er);
return;
}
IntPtr pSacl = IntPtr.Zero;
NativeMethods.TOKEN_PRIVILEGE previousState = new NativeMethods.TOKEN_PRIVILEGE();
try
{
if (CentralAccessPolicy != null)
{
pSacl = GetSaclWithCapId(CentralAccessPolicy);
if (pSacl == IntPtr.Zero)
{
SystemException e = new SystemException(
UtilsStrings.GetSaclWithCapIdFail);
WriteError(new ErrorRecord(e,
"SetAcl_CentralAccessPolicy",
ErrorCategory.InvalidResult,
null));
return;
}
}
else if (ClearCentralAccessPolicy)
{
pSacl = GetEmptySacl();
if (pSacl == IntPtr.Zero)
{
SystemException e = new SystemException(
UtilsStrings.GetEmptySaclFail);
WriteError(new ErrorRecord(e,
"SetAcl_ClearCentralAccessPolicy",
ErrorCategory.InvalidResult,
null));
return;
}
}
foreach (string p in Path)
{
Collection<PathInfo> pathsToProcess = new Collection<PathInfo>();
CmdletProviderContext context = this.CmdletProviderContext;
context.PassThru = Passthru;
if (_isLiteralPath)
{
ProviderInfo Provider = null;
PSDriveInfo Drive = null;
string pathStr = SessionState.Path.GetUnresolvedProviderPathFromPSPath(p, out Provider, out Drive);
pathsToProcess.Add(new PathInfo(Drive, Provider, pathStr, SessionState));
context.SuppressWildcardExpansion = true;
}
else
{
pathsToProcess = SessionState.Path.GetResolvedPSPathFromPSPath(p, CmdletProviderContext);
}
foreach (PathInfo pathInfo in pathsToProcess)
{
if (ShouldProcess(pathInfo.Path))
{
try
{
InvokeProvider.SecurityDescriptor.Set(pathInfo.Path,
aclObjectSecurity,
context);
if (CentralAccessPolicy != null || ClearCentralAccessPolicy)
{
if (!pathInfo.Provider.NameEquals(Context.ProviderNames.FileSystem))
{
Exception e = new ArgumentException("Path");
WriteError(new ErrorRecord(
e,
"SetAcl_Path",
ErrorCategory.InvalidArgument,
AclObject));
continue;
}
// Enable the security privilege required to set SCOPE_SECURITY_INFORMATION.
IntPtr pToken = GetTokenWithEnabledPrivilege("SeSecurityPrivilege", previousState);
if (pToken == IntPtr.Zero)
{
SystemException e = new SystemException(
UtilsStrings.GetTokenWithEnabledPrivilegeFail);
WriteError(new ErrorRecord(e,
"SetAcl_AdjustTokenPrivileges",
ErrorCategory.InvalidResult,
null));
return;
}
// Set the file's CAPID.
uint rs = NativeMethods.SetNamedSecurityInfo(
pathInfo.ProviderPath,
NativeMethods.SeObjectType.SE_FILE_OBJECT,
NativeMethods.SecurityInformation.SCOPE_SECURITY_INFORMATION,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
pSacl);
// Restore privileges to the previous state.
if (pToken != IntPtr.Zero)
{
NativeMethods.TOKEN_PRIVILEGE newState = new NativeMethods.TOKEN_PRIVILEGE();
uint newSize = 0;
NativeMethods.AdjustTokenPrivileges(
pToken,
false,
ref previousState,
(uint)Marshal.SizeOf(newState),
ref newState,
ref newSize);
NativeMethods.CloseHandle(pToken);
pToken = IntPtr.Zero;
}
if (rs != NativeMethods.ERROR_SUCCESS)
{
Exception e = new Win32Exception(
(int)rs,
UtilsStrings.SetCentralAccessPolicyFail);
WriteError(new ErrorRecord(e,
"SetAcl_SetNamedSecurityInfo",
ErrorCategory.InvalidResult,
null));
}
}
}
catch (NotSupportedException)
{
ErrorRecord er =
SecurityUtils.CreateNotSupportedErrorRecord(
UtilsStrings.OperationNotSupportedOnPath,
"SetAcl_OperationNotSupported",
pathInfo.Path
);
WriteError(er);
}
}
}
}
}
finally
{
Marshal.FreeHGlobal(pSacl);
}
}
}
private IntPtr GetTokenWithEnabledPrivilege(string privilege, NativeMethods.TOKEN_PRIVILEGE previousState)
{
IntPtr zero = IntPtr.Zero;
bool flag = true;
try
{
flag = NativeMethods.OpenThreadToken(NativeMethods.GetCurrentThread(), 40, true, out zero);
if (!flag)
{
if ((long)Marshal.GetLastWin32Error() == (long)0x3f0)
{
flag = NativeMethods.OpenProcessToken(NativeMethods.GetCurrentProcess(), 40, out zero);
}
if (!flag)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
NativeMethods.LUID lUID = new NativeMethods.LUID();
flag = NativeMethods.LookupPrivilegeValue(null, privilege, ref lUID);
if (flag)
{
NativeMethods.TOKEN_PRIVILEGE tOKENPRIVILEGE = new NativeMethods.TOKEN_PRIVILEGE();
tOKENPRIVILEGE.PrivilegeCount = 1;
tOKENPRIVILEGE.Privilege.Attributes = 2;
tOKENPRIVILEGE.Privilege.Luid = lUID;
uint num = 0;
flag = NativeMethods.AdjustTokenPrivileges(zero, false, ref tOKENPRIVILEGE, Marshal.SizeOf(previousState), ref previousState, ref num);
if (!flag)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
else
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
if (!flag)
{
NativeMethods.CloseHandle(zero);
zero = IntPtr.Zero;
}
}
return zero;
}
/// <summary>
/// Returns the current thread or process token with the specified privilege enabled
/// and the previous state of this privilege. Free the returned token
/// by calling NativeMethods.CloseHandle.
/// </summary>
private IntPtr GetTokenWithEnabledPrivilege(
string privilege,
NativeMethods.TOKEN_PRIVILEGE previousState)
{
IntPtr pToken = IntPtr.Zero;
bool ret = true;
try
{
// First try to open the thread token for privilege adjustment.
ret = NativeMethods.OpenThreadToken(
NativeMethods.GetCurrentThread(),
NativeMethods.TOKEN_QUERY | NativeMethods.TOKEN_ADJUST_PRIVILEGES,
true,
out pToken);
if (!ret)
{
if (Marshal.GetLastWin32Error() == NativeMethods.ERROR_NO_TOKEN)
{
// Client is not impersonating. Open the process token.
ret = NativeMethods.OpenProcessToken(
NativeMethods.GetCurrentProcess(),
NativeMethods.TOKEN_QUERY | NativeMethods.TOKEN_ADJUST_PRIVILEGES,
out pToken);
}
if (!ret)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
// Get the LUID of the specified privilege.
NativeMethods.LUID luid = new NativeMethods.LUID();
ret = NativeMethods.LookupPrivilegeValue(
null,
privilege,
ref luid);
if (!ret)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
// Enable the privilege.
NativeMethods.TOKEN_PRIVILEGE newState = new NativeMethods.TOKEN_PRIVILEGE();
newState.PrivilegeCount = 1;
newState.Privilege.Attributes = NativeMethods.SE_PRIVILEGE_ENABLED;
newState.Privilege.Luid = luid;
uint previousSize = 0;
ret = NativeMethods.AdjustTokenPrivileges(
pToken,
false,
ref newState,
(uint)Marshal.SizeOf(previousState),
ref previousState,
ref previousSize);
if (!ret)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
if (!ret)
{
NativeMethods.CloseHandle(pToken);
pToken = IntPtr.Zero;
}
}
return pToken;
}