//
// METHODS
//
/// <devdoc>
/// Helper to close a thread handle.
/// </devdoc>
/// <internalonly/>
private static void CloseThreadHandle(SafeThreadHandle handle)
{
if (handle != null)
{
handle.Close();
}
}
public void Close() => handle.Close();
private static unsafe int ExecWaitWithCaptureUnimpersonated(SafeUserTokenHandle userToken, string cmd, string currentDir, TempFileCollection tempFiles, ref string outputName, ref string errorName, string trueCmdLine)
{
IntSecurity.UnmanagedCode.Demand();
FileStream output;
FileStream error;
int retValue = 0;
if (outputName == null || outputName.Length == 0)
{
outputName = tempFiles.AddExtension("out");
}
if (errorName == null || errorName.Length == 0)
{
errorName = tempFiles.AddExtension("err");
}
// Create the files
output = CreateInheritedFile(outputName);
error = CreateInheritedFile(errorName);
bool success = false;
SafeNativeMethods.PROCESS_INFORMATION pi = new SafeNativeMethods.PROCESS_INFORMATION();
SafeProcessHandle procSH = new SafeProcessHandle();
SafeThreadHandle threadSH = new SafeThreadHandle();
SafeUserTokenHandle primaryToken = null;
try {
// Output the command line...
StreamWriter sw = new StreamWriter(output, Encoding.UTF8);
sw.Write(currentDir);
sw.Write("> ");
// 'true' command line is used in case the command line points to
// a response file
sw.WriteLine(trueCmdLine != null ? trueCmdLine : cmd);
sw.WriteLine();
sw.WriteLine();
sw.Flush();
NativeMethods.STARTUPINFO si = new NativeMethods.STARTUPINFO();
si.cb = Marshal.SizeOf(si);
si.dwFlags = NativeMethods.STARTF_USESTDHANDLES;
si.hStdOutput = output.SafeFileHandle;
si.hStdError = error.SafeFileHandle;
si.hStdInput = new SafeFileHandle(UnsafeNativeMethods.GetStdHandle(NativeMethods.STD_INPUT_HANDLE), false);
//
// Prepare the environment
//
#if PLATFORM_UNIX
StringDictionary environment = new CaseSensitiveStringDictionary();
#else
StringDictionary environment = new StringDictionary();
#endif // PLATFORM_UNIX
// Add the current environment
foreach (DictionaryEntry entry in Environment.GetEnvironmentVariables())
{
environment.Add((string)entry.Key, (string)entry.Value);
}
// Add the flag to indicate restricted security in the process
environment["_ClrRestrictSecAttributes"] = "1";
#if DEBUG
environment["OANOCACHE"] = "1";
#endif
// set up the environment block parameter
byte[] environmentBytes = EnvironmentBlock.ToByteArray(environment, false);
fixed(byte *environmentBytesPtr = environmentBytes)
{
IntPtr environmentPtr = new IntPtr((void *)environmentBytesPtr);
if (userToken == null || userToken.IsInvalid)
{
RuntimeHelpers.PrepareConstrainedRegions();
try {} finally {
success = NativeMethods.CreateProcess(
null, // String lpApplicationName,
new StringBuilder(cmd), // String lpCommandLine,
null, // SECURITY_ATTRIBUTES lpProcessAttributes,
null, // SECURITY_ATTRIBUTES lpThreadAttributes,
true, // bool bInheritHandles,
0, // int dwCreationFlags,
environmentPtr, // int lpEnvironment,
currentDir, // String lpCurrentDirectory,
si, // STARTUPINFO lpStartupInfo,
pi); // PROCESS_INFORMATION lpProcessInformation);
if (pi.hProcess != (IntPtr)0 && pi.hProcess != (IntPtr)NativeMethods.INVALID_HANDLE_VALUE)
{
procSH.InitialSetHandle(pi.hProcess);
}
if (pi.hThread != (IntPtr)0 && pi.hThread != (IntPtr)NativeMethods.INVALID_HANDLE_VALUE)
{
threadSH.InitialSetHandle(pi.hThread);
}
}
}
else
{
throw new NotSupportedException();
}
}
}
finally {
// Close the file handles
if (!success && (primaryToken != null && !primaryToken.IsInvalid))
{
primaryToken.Close();
primaryToken = null;
}
output.Close();
error.Close();
}
if (success)
{
try {
int ret = NativeMethods.WaitForSingleObject(procSH, ProcessTimeOut);
// Check for timeout
if (ret == NativeMethods.WAIT_TIMEOUT)
{
throw new ExternalException(SR.GetString(SR.ExecTimeout, cmd), NativeMethods.WAIT_TIMEOUT);
}
if (ret != NativeMethods.WAIT_OBJECT_0)
{
throw new ExternalException(SR.GetString(SR.ExecBadreturn, cmd), Marshal.GetLastWin32Error());
}
// Check the process's exit code
int status = NativeMethods.STILL_ACTIVE;
if (!NativeMethods.GetExitCodeProcess(procSH, out status))
{
throw new ExternalException(SR.GetString(SR.ExecCantGetRetCode, cmd), Marshal.GetLastWin32Error());
}
retValue = status;
}
finally {
procSH.Close();
threadSH.Close();
if (primaryToken != null && !primaryToken.IsInvalid)
{
primaryToken.Close();
}
}
}
else
{
throw new ExternalException(SR.GetString(SR.ExecCantExec, cmd), Marshal.GetLastWin32Error());
}
return(retValue);
}
private bool StartWithCreateProcess(ProcessStartInfo startInfo)
{
if (startInfo.StandardOutputEncoding != null && !startInfo.RedirectStandardOutput)
{
throw new InvalidOperationException("StandardOutputEncodingNotAllowed");
}
if (startInfo.StandardErrorEncoding != null && !startInfo.RedirectStandardError)
{
throw new InvalidOperationException("StandardErrorEncodingNotAllowed");
}
StringBuilder stringBuilder = Process2.BuildCommandLine(startInfo.FileName, startInfo.Arguments);
NativeMethods.STARTUPINFO sTARTUPINFO = new NativeMethods.STARTUPINFO();
SafeNativeMethods.PROCESS_INFORMATION pROCESS_INFORMATION = new SafeNativeMethods.PROCESS_INFORMATION();
SafeProcessHandle safeProcessHandle = new SafeProcessHandle();
SafeThreadHandle safeThreadHandle = new SafeThreadHandle();
int num = 0;
SafeFileHandle handle = null;
SafeFileHandle handle2 = null;
SafeFileHandle handle3 = null;
GCHandle gCHandle = default(GCHandle);
lock (Process2.s_CreateProcessLock)
{
try
{
if (startInfo.RedirectStandardInput || startInfo.RedirectStandardOutput || startInfo.RedirectStandardError)
{
if (startInfo.RedirectStandardInput)
{
CreatePipe(out handle, out sTARTUPINFO.hStdInput, true);
}
else
{
sTARTUPINFO.hStdInput = new SafeFileHandle(NativeMethods.GetStdHandle(-10), false);
}
if (startInfo.RedirectStandardOutput)
{
CreatePipe(out handle2, out sTARTUPINFO.hStdOutput, false);
}
else
{
sTARTUPINFO.hStdOutput = new SafeFileHandle(NativeMethods.GetStdHandle(-11), false);
}
if (startInfo.RedirectStandardError)
{
CreatePipe(out handle3, out sTARTUPINFO.hStdError, false);
}
else
{
sTARTUPINFO.hStdError = sTARTUPINFO.hStdOutput;
}
sTARTUPINFO.dwFlags = 256;
}
int num2 = 0;
if (startInfo.CreateNoWindow)
{
num2 |= 134217728;
}
IntPtr intPtr = (IntPtr)0;
//if (startInfo.environmentVariables != null)
//{
// bool unicode = false;
// if (ProcessManager.IsNt)
// {
// num2 |= 1024;
// unicode = true;
// }
// byte[] value = EnvironmentBlock.ToByteArray(startInfo.environmentVariables, unicode);
// gCHandle = GCHandle.Alloc(value, GCHandleType.Pinned);
// intPtr = gCHandle.AddrOfPinnedObject();
//}
string text = startInfo.WorkingDirectory;
if (text == string.Empty)
{
text = Environment.CurrentDirectory;
}
bool flag2;
//if (startInfo.UserName.Length != 0)
//{
// NativeMethods.LogonFlags logonFlags = (NativeMethods.LogonFlags)0;
// if (startInfo.LoadUserProfile)
// {
// logonFlags = NativeMethods.LogonFlags.LOGON_WITH_PROFILE;
// }
// IntPtr intPtr2 = IntPtr.Zero;
// try
// {
// if (startInfo.Password == null)
// {
// intPtr2 = Marshal.StringToCoTaskMemUni(string.Empty);
// }
// else
// {
// intPtr2 = Marshal.SecureStringToCoTaskMemUnicode(startInfo.Password);
// }
// RuntimeHelpers.PrepareConstrainedRegions();
// try
// {
// }
// finally
// {
// flag2 = NativeMethods.CreateProcessWithLogonW(startInfo.UserName, startInfo.Domain, intPtr2, logonFlags, null, stringBuilder, num2, intPtr, text, sTARTUPINFO, pROCESS_INFORMATION);
// if (!flag2)
// {
// num = Marshal.GetLastWin32Error();
// }
// if (pROCESS_INFORMATION.hProcess != (IntPtr)0 && pROCESS_INFORMATION.hProcess != NativeMethods.INVALID_HANDLE_VALUE)
// {
// safeProcessHandle.InitialSetHandle(pROCESS_INFORMATION.hProcess);
// }
// if (pROCESS_INFORMATION.hThread != (IntPtr)0 && pROCESS_INFORMATION.hThread != NativeMethods.INVALID_HANDLE_VALUE)
// {
// safeThreadHandle.InitialSetHandle(pROCESS_INFORMATION.hThread);
// }
// }
// if (flag2)
// {
// goto IL_3B9;
// }
// if (num == 193 || num == 216)
// {
// throw new Win32Exception(num, SR.GetString("InvalidApplication"));
// }
// throw new Win32Exception(num);
// }
// finally
// {
// if (intPtr2 != IntPtr.Zero)
// {
// Marshal.ZeroFreeCoTaskMemUnicode(intPtr2);
// }
// }
//}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
flag2 = NativeMethods.CreateProcess(null, stringBuilder, null, null, true, num2, intPtr, text, sTARTUPINFO, pROCESS_INFORMATION);
if (!flag2)
{
num = Marshal.GetLastWin32Error();
}
if (pROCESS_INFORMATION.hProcess != (IntPtr)0 && pROCESS_INFORMATION.hProcess != NativeMethods.INVALID_HANDLE_VALUE)
{
safeProcessHandle.InitialSetHandle(pROCESS_INFORMATION.hProcess);
}
if (pROCESS_INFORMATION.hThread != (IntPtr)0 && pROCESS_INFORMATION.hThread != NativeMethods.INVALID_HANDLE_VALUE)
{
safeThreadHandle.InitialSetHandle(pROCESS_INFORMATION.hThread);
}
}
if (!flag2)
{
if (num == 193 || num == 216)
{
throw new Win32Exception(num, "InvalidApplication");
}
throw new Win32Exception(num);
}
}
finally
{
if (gCHandle.IsAllocated)
{
gCHandle.Free();
}
sTARTUPINFO.Dispose();
}
}
if (startInfo.RedirectStandardInput)
{
standardInput = new StreamWriter(new FileStream(handle, FileAccess.Write, 4096, false), Console.InputEncoding, 4096);
standardInput.AutoFlush = true;
}
if (startInfo.RedirectStandardOutput)
{
Encoding encoding = (startInfo.StandardOutputEncoding != null) ? startInfo.StandardOutputEncoding : Console.OutputEncoding;
standardOutput = new StreamReader(new FileStream(handle2, FileAccess.Read, 4096, false), encoding, true, 4096);
}
if (startInfo.RedirectStandardError)
{
Encoding encoding2 = (startInfo.StandardErrorEncoding != null) ? startInfo.StandardErrorEncoding : Console.OutputEncoding;
standardError = new StreamReader(new FileStream(handle3, FileAccess.Read, 4096, false), encoding2, true, 4096);
}
bool result = false;
if (!safeProcessHandle.IsInvalid)
{
SetProcessHandle(safeProcessHandle);
SetProcessId(pROCESS_INFORMATION.dwProcessId);
safeThreadHandle.Close();
result = true;
}
return result;
}
