106 lines
2.7 KiB
C#
106 lines
2.7 KiB
C#
|
/*
|
||
|
|
Copyright (C) 2014-2019 de4dot@gmail.com
|
||
|
|
|
||
|
|
This file is part of dnSpy
|
||
|
|
|
||
|
|
dnSpy is free software: you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation, either version 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
dnSpy is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
using System.IO;
|
||
|
|
|
||
|
|
namespace dnSpy.Debugger.DotNet.CorDebug.Utilities {
|
||
|
|
static class PortableExecutableFileHelpers {
|
||
|
|
public static bool IsExecutable(string file) {
|
||
|
|
if (!File.Exists(file))
|
||
|
|
return false;
|
||
|
|
try {
|
||
|
|
using (var f = File.OpenRead(file)) {
|
||
|
|
var r = new BinaryReader(f);
|
||
|
|
if (r.ReadUInt16() != 0x5A4D)
|
||
|
|
return false;
|
||
|
|
f.Position = 0x3C;
|
||
|
|
f.Position = r.ReadUInt32();
|
||
|
|
if (r.ReadUInt32() != 0x4550)
|
||
|
|
return false;
|
||
|
|
f.Position += 0x12;
|
||
|
|
var flags = r.ReadUInt16();
|
||
|
|
return (flags & 0x2000) == 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch {
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool IsPE(string file, out bool isExe, out bool hasDotNetMetadata) {
|
||
|
|
isExe = false;
|
||
|
|
hasDotNetMetadata = false;
|
||
|
|
if (!File.Exists(file))
|
||
|
|
return false;
|
||
|
|
try {
|
||
|
|
using (var f = File.OpenRead(file)) {
|
||
|
|
var r = new BinaryReader(f);
|
||
|
|
if (r.ReadUInt16() != 0x5A4D)
|
||
|
|
return false;
|
||
|
|
f.Position = 0x3C;
|
||
|
|
f.Position = r.ReadUInt32();
|
||
|
|
if (r.ReadUInt32() != 0x4550)
|
||
|
|
return false;
|
||
|
|
f.Position += 0x12;
|
||
|
|
var flags = r.ReadUInt16();
|
||
|
|
isExe = (flags & 0x2000) == 0;
|
||
|
|
ushort magic = r.ReadUInt16();
|
||
|
|
if (magic == 0x10B)
|
||
|
|
f.Position += 0xCE;
|
||
|
|
else if (magic == 0x20B)
|
||
|
|
f.Position += 0xDE;
|
||
|
|
else
|
||
|
|
return false;
|
||
|
|
hasDotNetMetadata = r.ReadUInt32() != 0 && r.ReadUInt32() != 0;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch {
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool IsGuiApp(string? file) {
|
||
|
|
if (!File.Exists(file))
|
||
|
|
return false;
|
||
|
|
try {
|
||
|
|
using (var f = File.OpenRead(file!)) {
|
||
|
|
var r = new BinaryReader(f);
|
||
|
|
if (r.ReadUInt16() != 0x5A4D)
|
||
|
|
return false;
|
||
|
|
f.Position = 0x3C;
|
||
|
|
f.Position = r.ReadUInt32();
|
||
|
|
if (r.ReadUInt32() != 0x4550)
|
||
|
|
return false;
|
||
|
|
f.Position += 0x14;
|
||
|
|
ushort magic = r.ReadUInt16();
|
||
|
|
if (magic != 0x010B && magic != 0x020B)
|
||
|
|
return false;
|
||
|
|
r.BaseStream.Position += 0x42;
|
||
|
|
const ushort WindowsGui = 2;
|
||
|
|
return r.ReadUInt16() == WindowsGui;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch {
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|