protected override bool ReleaseHandle()
{
if (m_pBlob != null)
{
NativeMemoryMethods.LocalFree(Blob.pbData);
m_pBlob.Close();
}
return(true);
}
internal static SafeLocalFree LocalAlloc(int flags, int cb)
{
SafeLocalFree safeLocalFree = NativeMemoryMethods.LocalAlloc(flags, (UIntPtr)(ulong)cb);
if (safeLocalFree.IsInvalid)
{
safeLocalFree.SetHandleAsInvalid();
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(safeLocalFree);
}
internal SafeCoTaskMem Alloc(int cb)
{
SafeCoTaskMem safeCoTaskMem = NativeMemoryMethods.CoTaskMemAlloc(cb);
if (safeCoTaskMem.IsInvalid)
{
safeCoTaskMem.SetHandleAsInvalid();
throw new OutOfMemoryException();
}
return(safeCoTaskMem);
}
internal static bool AllocateAndInitializeSid(byte nSubAuthorityCount, uint nSubAuthority0, uint nSubAuthority1, uint nSubAuthority2, uint nSubAuthority3, uint nSubAuthority4, uint nSubAuthority5, uint nSubAuthority6, uint nSubAuthority7, out SafeSidPtr pSid)
{
SafeLocalFree safeLocalFree = null;
try
{
SID_IDENTIFIER_AUTHORITY structure = default(SID_IDENTIFIER_AUTHORITY);
structure.m_Value0 = SECURITY_NT_AUTHORITY[0];
structure.m_Value1 = SECURITY_NT_AUTHORITY[1];
structure.m_Value2 = SECURITY_NT_AUTHORITY[2];
structure.m_Value3 = SECURITY_NT_AUTHORITY[3];
structure.m_Value4 = SECURITY_NT_AUTHORITY[4];
structure.m_Value5 = SECURITY_NT_AUTHORITY[5];
safeLocalFree = SafeLocalFree.LocalAlloc(Marshal.SizeOf(structure));
Marshal.StructureToPtr(structure, safeLocalFree.DangerousGetHandle(), fDeleteOld: true);
return(NativeMemoryMethods.AllocateAndInitializeSid(safeLocalFree, nSubAuthorityCount, nSubAuthority0, nSubAuthority1, nSubAuthority2, nSubAuthority3, nSubAuthority4, nSubAuthority5, nSubAuthority6, nSubAuthority7, out pSid));
}
finally
{
safeLocalFree?.Close();
}
}
protected override bool ReleaseHandle()
{
return(NativeMemoryMethods.LocalFree(handle) == IntPtr.Zero);
}
protected override bool ReleaseHandle()
{
NativeMemoryMethods.CoTaskMemFree(handle);
return(true);
}