/// <summary>
/// Saves <paramref name="assembly"/> to a temp file and runs PEVerify out-of-proc.
/// </summary>
/// <returns>
/// Return <c>null</c> if verification succeeds, return error messages otherwise.
/// </returns>
public static string RunPEVerify(byte[] assembly)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
var pathToPEVerify = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86),
@"Microsoft SDKs\Windows\v7.0A\Bin\NETFX 4.0 Tools\PEVerify.exe");
using (var tempDll = new TempFile("*.dll"))
{
File.WriteAllBytes(tempDll.FileName, assembly);
var result = ProcessLauncher.Run(pathToPEVerify, "\"" + tempDll.FileName + "\"");
return(result.ContainsErrors
? result.ToString()
: null);
}
}
public static void IlasmTempAssembly(string declarations, bool appendDefaultHeader, bool includePdb, out string assemblyPath, out string pdbPath)
{
if (declarations == null)
{
throw new ArgumentNullException(nameof(declarations));
}
using (var sourceFile = new DisposableFile(extension: ".il"))
{
string sourceFileName = Path.GetFileNameWithoutExtension(sourceFile.Path);
assemblyPath = Path.Combine(
TempRoot.Root,
Path.ChangeExtension(Path.GetFileName(sourceFile.Path), "dll"));
string completeIL;
if (appendDefaultHeader)
{
completeIL = string.Format(
@".assembly '{0}' {{}}
.assembly extern mscorlib
{{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89)
.ver 4:0:0:0
}}
{1}",
sourceFileName,
declarations);
}
else
{
completeIL = declarations.Replace("<<GeneratedFileName>>", sourceFileName);
}
sourceFile.WriteAllText(completeIL);
var ilasmPath = Path.Combine(
Path.GetDirectoryName(typeof(object).Assembly.Location),
"ilasm.exe");
var arguments = string.Format(
"\"{0}\" /DLL /OUT=\"{1}\"",
sourceFile.Path,
assemblyPath);
if (includePdb && !CLRHelpers.IsRunningOnMono())
{
pdbPath = Path.ChangeExtension(assemblyPath, "pdb");
arguments += string.Format(" /PDB=\"{0}\"", pdbPath);
}
else
{
pdbPath = null;
}
var program = ilasmPath;
if (CLRHelpers.IsRunningOnMono())
{
arguments = string.Format("{0} {1}", ilasmPath, arguments);
arguments = arguments.Replace("\"", "");
arguments = arguments.Replace("=", ":");
program = "mono";
}
var result = ProcessLauncher.Run(program, arguments);
if (result.ContainsErrors)
{
throw new ArgumentException(
"The provided IL cannot be compiled." + Environment.NewLine +
program + " " + arguments + Environment.NewLine +
result,
"declarations");
}
}
}