static CheckResult CheckDevice(string name, bool writable, EaBuffer ea_buffer)
{
CheckResult result = new CheckResult(name, NtStatus.STATUS_INVALID_PARAMETER, FileDeviceType.UNKNOWN);
try
{
using (var imp = NtToken.Impersonate(_pid,
_identify_only ? SecurityImpersonationLevel.Identification : SecurityImpersonationLevel.Impersonation))
{
FileAccessRights access_mask = FileAccessRights.GenericRead;
if (writable)
{
access_mask |= FileAccessRights.GenericWrite;
}
FileOpenOptions opts = _open_as_dir ? FileOpenOptions.DirectoryFile : FileOpenOptions.NonDirectoryFile;
using (NtFile file = NtFile.Create(name, null, access_mask, NtApiDotNet.FileAttributes.Normal,
FileShareMode.All, opts, FileDisposition.Open, ea_buffer))
{
result = new CheckResult(name, NtStatus.STATUS_SUCCESS, file.DeviceType);
}
}
}
catch (NtException ex)
{
result = new CheckResult(name, ex.Status, FileDeviceType.UNKNOWN);
}
return(result);
}
/// <summary>
/// Method to create an object from a set of object attributes.
/// </summary>
/// <param name="obj_attributes">The object attributes to create/open from.</param>
/// <returns>The newly created object.</returns>
protected override object CreateObject(ObjectAttributes obj_attributes)
{
using (Transaction?.Enable())
{
return(NtFile.Create(obj_attributes, Access, Attributes,
ShareMode, Options | (Directory ? FileOpenOptions.DirectoryFile : FileOpenOptions.None), Disposition, EaBuffer));
}
}
private static NtResult <NtFile> OpenUnderImpersonation(TokenEntry token, string path, FileOpenOptions open_options, EaBuffer ea_buffer)
{
using (var obja = new ObjectAttributes(path, AttributeFlags.CaseInsensitive))
{
return(token.Token.RunUnderImpersonate(() => NtFile.Create(obja, FileAccessRights.MaximumAllowed,
FileAttributes.None, FileShareMode.None, open_options, FileDisposition.Open, ea_buffer, false)));
}
}
/// <summary>
/// Method to create an object from a set of object attributes.
/// </summary>
/// <param name="obj_attributes">The object attributes to create/open from.</param>
/// <returns>The newly created object.</returns>
protected override object CreateObject(ObjectAttributes obj_attributes)
{
using (Transaction?.Enable())
{
FileOpenOptions opts = Options;
if (OpenById)
{
opts |= FileOpenOptions.OpenByFileId;
}
if (Directory)
{
opts |= FileOpenOptions.DirectoryFile;
}
return(NtFile.Create(obj_attributes, Access, FileAttribute,
ShareMode, opts, Disposition, EaBuffer, AllocationSize));
}
}
/// <summary>
/// Method to create an object from a set of object attributes.
/// </summary>
/// <param name="obj_attributes">The object attributes to create/open from.</param>
/// <returns>The newly created object.</returns>
protected override object CreateObject(ObjectAttributes obj_attributes)
{
return(NtFile.Create(obj_attributes, Access, Attributes, ShareMode, Options, Disposition, EaBuffer));
}
