|
private InitialSetHandle ( |
||
| h | ||
| return | void | |
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);
#if FEATURE_PAL
si.dwFlags = NativeMethods.STARTF_USESTDHANDLES;
#else //!FEATURE_PAL
si.dwFlags = NativeMethods.STARTF_USESTDHANDLES | NativeMethods.STARTF_USESHOWWINDOW;
si.wShowWindow = NativeMethods.SW_HIDE;
#endif //!FEATURE_PAL
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[(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, // IntPtr 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 {
#if FEATURE_PAL
throw new NotSupportedException();
#else
success = SafeUserTokenHandle.DuplicateTokenEx(
userToken,
NativeMethods.TOKEN_ALL_ACCESS,
null,
NativeMethods.IMPERSONATION_LEVEL_SecurityImpersonation,
NativeMethods.TOKEN_TYPE_TokenPrimary,
out primaryToken
);
if (success) {
RuntimeHelpers.PrepareConstrainedRegions();
try {} finally {
success = NativeMethods.CreateProcessAsUser(
primaryToken, // int token,
null, // String lpApplicationName,
cmd, // String lpCommandLine,
null, // SECURITY_ATTRIBUTES lpProcessAttributes,
null, // SECURITY_ATTRIBUTES lpThreadAttributes,
true, // bool bInheritHandles,
0, // int dwCreationFlags,
new HandleRef(null, environmentPtr), // IntPtr 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);
}
}
#endif // !FEATURE_PAL
}
}
}
finally {
// Close the file handles
if (!success && (primaryToken != null && !primaryToken.IsInvalid)) {
primaryToken.Close();
primaryToken = null;
}
output.Close();
error.Close();
}
if (success) {
try {
bool signaled;
ProcessWaitHandle pwh = null;
try {
pwh = new ProcessWaitHandle(procSH);
signaled = pwh.WaitOne(ProcessTimeOut, false);
} finally {
if (pwh != null)
pwh.Close();
}
// Check for timeout
if (!signaled) {
throw new ExternalException(SR.GetString(SR.ExecTimeout, cmd), NativeMethods.WAIT_TIMEOUT);
}
// 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 {
int err = Marshal.GetLastWin32Error();
if (err == NativeMethods.ERROR_NOT_ENOUGH_MEMORY)
throw new OutOfMemoryException();
Win32Exception win32Exception = new Win32Exception(err);
ExternalException ex = new ExternalException(SR.GetString(SR.ExecCantExec, cmd), win32Exception);
throw ex;
}
return retValue;
}
/// <summary>Starts the process using the supplied start info.</summary>
/// <param name="startInfo">The start info with which to start the process.</param>
private bool StartCore(ProcessStartInfo startInfo)
{
// See knowledge base article Q190351 for an explanation of the following code. Noteworthy tricky points:
// * The handles are duplicated as non-inheritable before they are passed to CreateProcess so
// that the child process can not close them
// * CreateProcess allows you to redirect all or none of the standard IO handles, so we use
// GetStdHandle for the handles that are not being redirected
StringBuilder commandLine = BuildCommandLine(startInfo.FileName, startInfo.Arguments);
Interop.mincore.STARTUPINFO startupInfo = new Interop.mincore.STARTUPINFO();
Interop.mincore.PROCESS_INFORMATION processInfo = new Interop.mincore.PROCESS_INFORMATION();
Interop.mincore.SECURITY_ATTRIBUTES unused_SecAttrs = new Interop.mincore.SECURITY_ATTRIBUTES();
SafeProcessHandle procSH = new SafeProcessHandle();
SafeThreadHandle threadSH = new SafeThreadHandle();
bool retVal;
int errorCode = 0;
// handles used in parent process
SafeFileHandle standardInputWritePipeHandle = null;
SafeFileHandle standardOutputReadPipeHandle = null;
SafeFileHandle standardErrorReadPipeHandle = null;
GCHandle environmentHandle = new GCHandle();
lock (s_createProcessLock)
{
try
{
// set up the streams
if (startInfo.RedirectStandardInput || startInfo.RedirectStandardOutput || startInfo.RedirectStandardError)
{
if (startInfo.RedirectStandardInput)
{
CreatePipe(out standardInputWritePipeHandle, out startupInfo.hStdInput, true);
}
else
{
startupInfo.hStdInput = new SafeFileHandle(Interop.mincore.GetStdHandle(Interop.mincore.HandleTypes.STD_INPUT_HANDLE), false);
}
if (startInfo.RedirectStandardOutput)
{
CreatePipe(out standardOutputReadPipeHandle, out startupInfo.hStdOutput, false);
}
else
{
startupInfo.hStdOutput = new SafeFileHandle(Interop.mincore.GetStdHandle(Interop.mincore.HandleTypes.STD_OUTPUT_HANDLE), false);
}
if (startInfo.RedirectStandardError)
{
CreatePipe(out standardErrorReadPipeHandle, out startupInfo.hStdError, false);
}
else
{
startupInfo.hStdError = new SafeFileHandle(Interop.mincore.GetStdHandle(Interop.mincore.HandleTypes.STD_ERROR_HANDLE), false);
}
startupInfo.dwFlags = Interop.mincore.StartupInfoOptions.STARTF_USESTDHANDLES;
}
// set up the creation flags paramater
int creationFlags = 0;
if (startInfo.CreateNoWindow) creationFlags |= Interop.mincore.StartupInfoOptions.CREATE_NO_WINDOW;
// set up the environment block parameter
IntPtr environmentPtr = (IntPtr)0;
if (startInfo._environmentVariables != null)
{
creationFlags |= Interop.mincore.StartupInfoOptions.CREATE_UNICODE_ENVIRONMENT;
byte[] environmentBytes = EnvironmentVariablesToByteArray(startInfo._environmentVariables);
environmentHandle = GCHandle.Alloc(environmentBytes, GCHandleType.Pinned);
environmentPtr = environmentHandle.AddrOfPinnedObject();
}
string workingDirectory = startInfo.WorkingDirectory;
if (workingDirectory == string.Empty)
workingDirectory = Directory.GetCurrentDirectory();
if (startInfo.UserName.Length != 0)
{
Interop.mincore.LogonFlags logonFlags = (Interop.mincore.LogonFlags)0;
if (startInfo.LoadUserProfile)
{
logonFlags = Interop.mincore.LogonFlags.LOGON_WITH_PROFILE;
}
try { }
finally
{
retVal = Interop.mincore.CreateProcessWithLogonW(
startInfo.UserName,
startInfo.Domain,
startInfo.PasswordInClearText,
logonFlags,
null, // we don't need this since all the info is in commandLine
commandLine,
creationFlags,
environmentPtr,
workingDirectory,
startupInfo, // pointer to STARTUPINFO
processInfo // pointer to PROCESS_INFORMATION
);
if (!retVal)
errorCode = Marshal.GetLastWin32Error();
if (processInfo.hProcess != IntPtr.Zero && processInfo.hProcess != (IntPtr)INVALID_HANDLE_VALUE)
procSH.InitialSetHandle(processInfo.hProcess);
if (processInfo.hThread != IntPtr.Zero && processInfo.hThread != (IntPtr)INVALID_HANDLE_VALUE)
threadSH.InitialSetHandle(processInfo.hThread);
}
if (!retVal)
{
if (errorCode == Interop.mincore.Errors.ERROR_BAD_EXE_FORMAT || errorCode == Interop.mincore.Errors.ERROR_EXE_MACHINE_TYPE_MISMATCH)
throw new Win32Exception(errorCode, SR.InvalidApplication);
throw new Win32Exception(errorCode);
}
}
else
{
try { }
finally
{
retVal = Interop.mincore.CreateProcess(
null, // we don't need this since all the info is in commandLine
commandLine, // pointer to the command line string
ref unused_SecAttrs, // address to process security attributes, we don't need to inheriat the handle
ref unused_SecAttrs, // address to thread security attributes.
true, // handle inheritance flag
creationFlags, // creation flags
environmentPtr, // pointer to new environment block
workingDirectory, // pointer to current directory name
startupInfo, // pointer to STARTUPINFO
processInfo // pointer to PROCESS_INFORMATION
);
if (!retVal)
errorCode = Marshal.GetLastWin32Error();
if (processInfo.hProcess != (IntPtr)0 && processInfo.hProcess != (IntPtr)INVALID_HANDLE_VALUE)
procSH.InitialSetHandle(processInfo.hProcess);
if (processInfo.hThread != (IntPtr)0 && processInfo.hThread != (IntPtr)INVALID_HANDLE_VALUE)
threadSH.InitialSetHandle(processInfo.hThread);
}
if (!retVal)
{
if (errorCode == Interop.mincore.Errors.ERROR_BAD_EXE_FORMAT || errorCode == Interop.mincore.Errors.ERROR_EXE_MACHINE_TYPE_MISMATCH)
throw new Win32Exception(errorCode, SR.InvalidApplication);
throw new Win32Exception(errorCode);
}
}
}
finally
{
// free environment block
if (environmentHandle.IsAllocated)
{
environmentHandle.Free();
}
startupInfo.Dispose();
}
}
if (startInfo.RedirectStandardInput)
{
Encoding enc = GetEncoding((int)Interop.mincore.GetConsoleCP());
_standardInput = new StreamWriter(new FileStream(standardInputWritePipeHandle, FileAccess.Write, 4096, false), enc, 4096);
_standardInput.AutoFlush = true;
}
if (startInfo.RedirectStandardOutput)
{
Encoding enc = startInfo.StandardOutputEncoding ?? GetEncoding((int)Interop.mincore.GetConsoleOutputCP());
_standardOutput = new StreamReader(new FileStream(standardOutputReadPipeHandle, FileAccess.Read, 4096, false), enc, true, 4096);
}
if (startInfo.RedirectStandardError)
{
Encoding enc = startInfo.StandardErrorEncoding ?? GetEncoding((int)Interop.mincore.GetConsoleOutputCP());
_standardError = new StreamReader(new FileStream(standardErrorReadPipeHandle, FileAccess.Read, 4096, false), enc, true, 4096);
}
bool ret = false;
if (!procSH.IsInvalid)
{
SetProcessHandle(procSH);
SetProcessId((int)processInfo.dwProcessId);
threadSH.Dispose();
ret = true;
}
return ret;
}
private bool StartWithCreateProcess(ProcessStartInfo startInfo)
{
if ((startInfo.StandardOutputEncoding != null) && !startInfo.RedirectStandardOutput)
{
throw new InvalidOperationException(SR.GetString("StandardOutputEncodingNotAllowed"));
}
if ((startInfo.StandardErrorEncoding != null) && !startInfo.RedirectStandardError)
{
throw new InvalidOperationException(SR.GetString("StandardErrorEncodingNotAllowed"));
}
if (this.disposed)
{
throw new ObjectDisposedException(base.GetType().Name);
}
StringBuilder cmdLine = BuildCommandLine(startInfo.FileName, startInfo.Arguments);
Microsoft.Win32.NativeMethods.STARTUPINFO lpStartupInfo = new Microsoft.Win32.NativeMethods.STARTUPINFO();
Microsoft.Win32.SafeNativeMethods.PROCESS_INFORMATION lpProcessInformation = new Microsoft.Win32.SafeNativeMethods.PROCESS_INFORMATION();
Microsoft.Win32.SafeHandles.SafeProcessHandle processHandle = new Microsoft.Win32.SafeHandles.SafeProcessHandle();
Microsoft.Win32.SafeHandles.SafeThreadHandle handle2 = new Microsoft.Win32.SafeHandles.SafeThreadHandle();
int error = 0;
SafeFileHandle parentHandle = null;
SafeFileHandle handle4 = null;
SafeFileHandle handle5 = null;
GCHandle handle6 = new GCHandle();
lock (s_CreateProcessLock)
{
try
{
bool flag;
if ((startInfo.RedirectStandardInput || startInfo.RedirectStandardOutput) || startInfo.RedirectStandardError)
{
if (startInfo.RedirectStandardInput)
{
this.CreatePipe(out parentHandle, out lpStartupInfo.hStdInput, true);
}
else
{
lpStartupInfo.hStdInput = new SafeFileHandle(Microsoft.Win32.NativeMethods.GetStdHandle(-10), false);
}
if (startInfo.RedirectStandardOutput)
{
this.CreatePipe(out handle4, out lpStartupInfo.hStdOutput, false);
}
else
{
lpStartupInfo.hStdOutput = new SafeFileHandle(Microsoft.Win32.NativeMethods.GetStdHandle(-11), false);
}
if (startInfo.RedirectStandardError)
{
this.CreatePipe(out handle5, out lpStartupInfo.hStdError, false);
}
else
{
lpStartupInfo.hStdError = new SafeFileHandle(Microsoft.Win32.NativeMethods.GetStdHandle(-12), false);
}
lpStartupInfo.dwFlags = 0x100;
}
int creationFlags = 0;
if (startInfo.CreateNoWindow)
{
creationFlags |= 0x8000000;
}
IntPtr zero = IntPtr.Zero;
if (startInfo.environmentVariables != null)
{
bool unicode = false;
if (ProcessManager.IsNt)
{
creationFlags |= 0x400;
unicode = true;
}
handle6 = GCHandle.Alloc(EnvironmentBlock.ToByteArray(startInfo.environmentVariables, unicode), GCHandleType.Pinned);
zero = handle6.AddrOfPinnedObject();
}
string workingDirectory = startInfo.WorkingDirectory;
if (workingDirectory == string.Empty)
{
workingDirectory = Environment.CurrentDirectory;
}
if (startInfo.UserName.Length != 0)
{
Microsoft.Win32.NativeMethods.LogonFlags logonFlags = 0;
if (startInfo.LoadUserProfile)
{
logonFlags = Microsoft.Win32.NativeMethods.LogonFlags.LOGON_WITH_PROFILE;
}
IntPtr password = IntPtr.Zero;
try
{
if (startInfo.Password == null)
{
password = Marshal.StringToCoTaskMemUni(string.Empty);
}
else
{
password = Marshal.SecureStringToCoTaskMemUnicode(startInfo.Password);
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
flag = Microsoft.Win32.NativeMethods.CreateProcessWithLogonW(startInfo.UserName, startInfo.Domain, password, logonFlags, null, cmdLine, creationFlags, zero, workingDirectory, lpStartupInfo, lpProcessInformation);
if (!flag)
{
error = Marshal.GetLastWin32Error();
}
if ((lpProcessInformation.hProcess != IntPtr.Zero) && (lpProcessInformation.hProcess != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
processHandle.InitialSetHandle(lpProcessInformation.hProcess);
}
if ((lpProcessInformation.hThread != IntPtr.Zero) && (lpProcessInformation.hThread != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
handle2.InitialSetHandle(lpProcessInformation.hThread);
}
}
if (!flag)
{
if ((error != 0xc1) && (error != 0xd8))
{
throw new Win32Exception(error);
}
throw new Win32Exception(error, SR.GetString("InvalidApplication"));
}
goto Label_03E0;
}
finally
{
if (password != IntPtr.Zero)
{
Marshal.ZeroFreeCoTaskMemUnicode(password);
}
}
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
flag = Microsoft.Win32.NativeMethods.CreateProcess(null, cmdLine, null, null, true, creationFlags, zero, workingDirectory, lpStartupInfo, lpProcessInformation);
if (!flag)
{
error = Marshal.GetLastWin32Error();
}
if ((lpProcessInformation.hProcess != IntPtr.Zero) && (lpProcessInformation.hProcess != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
processHandle.InitialSetHandle(lpProcessInformation.hProcess);
}
if ((lpProcessInformation.hThread != IntPtr.Zero) && (lpProcessInformation.hThread != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
handle2.InitialSetHandle(lpProcessInformation.hThread);
}
}
if (!flag)
{
if ((error != 0xc1) && (error != 0xd8))
{
throw new Win32Exception(error);
}
throw new Win32Exception(error, SR.GetString("InvalidApplication"));
}
}
finally
{
if (handle6.IsAllocated)
{
handle6.Free();
}
lpStartupInfo.Dispose();
}
}
Label_03E0:
if (startInfo.RedirectStandardInput)
{
this.standardInput = new StreamWriter(new FileStream(parentHandle, FileAccess.Write, 0x1000, false), Console.InputEncoding, 0x1000);
this.standardInput.AutoFlush = true;
}
if (startInfo.RedirectStandardOutput)
{
Encoding encoding = (startInfo.StandardOutputEncoding != null) ? startInfo.StandardOutputEncoding : Console.OutputEncoding;
this.standardOutput = new StreamReader(new FileStream(handle4, FileAccess.Read, 0x1000, false), encoding, true, 0x1000);
}
if (startInfo.RedirectStandardError)
{
Encoding encoding2 = (startInfo.StandardErrorEncoding != null) ? startInfo.StandardErrorEncoding : Console.OutputEncoding;
this.standardError = new StreamReader(new FileStream(handle5, FileAccess.Read, 0x1000, false), encoding2, true, 0x1000);
}
bool flag3 = false;
if (!processHandle.IsInvalid)
{
this.SetProcessHandle(processHandle);
this.SetProcessId(lpProcessInformation.dwProcessId);
handle2.Close();
flag3 = true;
}
return flag3;
}
private static unsafe int ExecWaitWithCaptureUnimpersonated(SafeUserTokenHandle userToken, string cmd, string currentDir, TempFileCollection tempFiles, ref string outputName, ref string errorName, string trueCmdLine)
{
IntSecurity.UnmanagedCode.Demand();
if ((outputName == null) || (outputName.Length == 0))
{
outputName = tempFiles.AddExtension("out");
}
if ((errorName == null) || (errorName.Length == 0))
{
errorName = tempFiles.AddExtension("err");
}
FileStream stream = CreateInheritedFile(outputName);
FileStream stream2 = CreateInheritedFile(errorName);
bool flag = false;
Microsoft.Win32.SafeNativeMethods.PROCESS_INFORMATION lpProcessInformation = new Microsoft.Win32.SafeNativeMethods.PROCESS_INFORMATION();
Microsoft.Win32.SafeHandles.SafeProcessHandle processHandle = new Microsoft.Win32.SafeHandles.SafeProcessHandle();
Microsoft.Win32.SafeHandles.SafeThreadHandle handle2 = new Microsoft.Win32.SafeHandles.SafeThreadHandle();
SafeUserTokenHandle hNewToken = null;
try
{
Microsoft.Win32.NativeMethods.STARTUPINFO startupinfo;
StreamWriter writer = new StreamWriter(stream, Encoding.UTF8);
writer.Write(currentDir);
writer.Write("> ");
writer.WriteLine((trueCmdLine != null) ? trueCmdLine : cmd);
writer.WriteLine();
writer.WriteLine();
writer.Flush();
startupinfo = new Microsoft.Win32.NativeMethods.STARTUPINFO {
cb = Marshal.SizeOf(startupinfo),
dwFlags = 0x101,
wShowWindow = 0,
hStdOutput = stream.SafeFileHandle,
hStdError = stream2.SafeFileHandle,
hStdInput = new SafeFileHandle(Microsoft.Win32.UnsafeNativeMethods.GetStdHandle(-10), false)
};
StringDictionary sd = new StringDictionary();
foreach (DictionaryEntry entry in Environment.GetEnvironmentVariables())
{
sd[(string)entry.Key] = (string)entry.Value;
}
sd["_ClrRestrictSecAttributes"] = "1";
byte[] buffer = EnvironmentBlock.ToByteArray(sd, false);
try
{
fixed(byte *numRef = buffer)
{
IntPtr lpEnvironment = new IntPtr((void *)numRef);
if ((userToken == null) || userToken.IsInvalid)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
goto Label_0325;
}
finally
{
flag = Microsoft.Win32.NativeMethods.CreateProcess(null, new StringBuilder(cmd), null, null, true, 0, lpEnvironment, currentDir, startupinfo, lpProcessInformation);
if ((lpProcessInformation.hProcess != IntPtr.Zero) && (lpProcessInformation.hProcess != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
processHandle.InitialSetHandle(lpProcessInformation.hProcess);
}
if ((lpProcessInformation.hThread != IntPtr.Zero) && (lpProcessInformation.hThread != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
handle2.InitialSetHandle(lpProcessInformation.hThread);
}
}
}
flag = SafeUserTokenHandle.DuplicateTokenEx(userToken, 0xf01ff, null, 2, 1, out hNewToken);
if (flag)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
flag = Microsoft.Win32.NativeMethods.CreateProcessAsUser(hNewToken, null, cmd, null, null, true, 0, new HandleRef(null, lpEnvironment), currentDir, startupinfo, lpProcessInformation);
if ((lpProcessInformation.hProcess != IntPtr.Zero) && (lpProcessInformation.hProcess != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
processHandle.InitialSetHandle(lpProcessInformation.hProcess);
}
if ((lpProcessInformation.hThread != IntPtr.Zero) && (lpProcessInformation.hThread != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
handle2.InitialSetHandle(lpProcessInformation.hThread);
}
}
}
}
}
finally
{
numRef = null;
}
}
finally
{
if ((!flag && (hNewToken != null)) && !hNewToken.IsInvalid)
{
hNewToken.Close();
hNewToken = null;
}
stream.Close();
stream2.Close();
}
Label_0325:
if (flag)
{
try
{
bool flag2;
ProcessWaitHandle handle4 = null;
try
{
handle4 = new ProcessWaitHandle(processHandle);
flag2 = handle4.WaitOne(0x927c0, false);
}
finally
{
if (handle4 != null)
{
handle4.Close();
}
}
if (!flag2)
{
throw new ExternalException(SR.GetString("ExecTimeout", new object[] { cmd }), 0x102);
}
int exitCode = 0x103;
if (!Microsoft.Win32.NativeMethods.GetExitCodeProcess(processHandle, out exitCode))
{
throw new ExternalException(SR.GetString("ExecCantGetRetCode", new object[] { cmd }), Marshal.GetLastWin32Error());
}
return(exitCode);
}
finally
{
processHandle.Close();
handle2.Close();
if ((hNewToken != null) && !hNewToken.IsInvalid)
{
hNewToken.Close();
}
}
}
int error = Marshal.GetLastWin32Error();
if (error == 8)
{
throw new OutOfMemoryException();
}
Win32Exception inner = new Win32Exception(error);
ExternalException exception2 = new ExternalException(SR.GetString("ExecCantExec", new object[] { cmd }), inner);
throw exception2;
}
private static unsafe int ExecWaitWithCaptureUnimpersonated(SafeUserTokenHandle userToken, string cmd, string currentDir, TempFileCollection tempFiles, ref string outputName, ref string errorName, string trueCmdLine)
{
IntSecurity.UnmanagedCode.Demand();
if ((outputName == null) || (outputName.Length == 0))
{
outputName = tempFiles.AddExtension("out");
}
if ((errorName == null) || (errorName.Length == 0))
{
errorName = tempFiles.AddExtension("err");
}
FileStream stream = CreateInheritedFile(outputName);
FileStream stream2 = CreateInheritedFile(errorName);
bool flag = false;
Microsoft.Win32.SafeNativeMethods.PROCESS_INFORMATION lpProcessInformation = new Microsoft.Win32.SafeNativeMethods.PROCESS_INFORMATION();
Microsoft.Win32.SafeHandles.SafeProcessHandle processHandle = new Microsoft.Win32.SafeHandles.SafeProcessHandle();
Microsoft.Win32.SafeHandles.SafeThreadHandle handle2 = new Microsoft.Win32.SafeHandles.SafeThreadHandle();
SafeUserTokenHandle hNewToken = null;
try
{
Microsoft.Win32.NativeMethods.STARTUPINFO startupinfo;
StreamWriter writer = new StreamWriter(stream, Encoding.UTF8);
writer.Write(currentDir);
writer.Write("> ");
writer.WriteLine((trueCmdLine != null) ? trueCmdLine : cmd);
writer.WriteLine();
writer.WriteLine();
writer.Flush();
startupinfo = new Microsoft.Win32.NativeMethods.STARTUPINFO {
cb = Marshal.SizeOf(startupinfo),
dwFlags = 0x101,
wShowWindow = 0,
hStdOutput = stream.SafeFileHandle,
hStdError = stream2.SafeFileHandle,
hStdInput = new SafeFileHandle(Microsoft.Win32.UnsafeNativeMethods.GetStdHandle(-10), false)
};
StringDictionary sd = new StringDictionary();
foreach (DictionaryEntry entry in Environment.GetEnvironmentVariables())
{
sd[(string) entry.Key] = (string) entry.Value;
}
sd["_ClrRestrictSecAttributes"] = "1";
byte[] buffer = EnvironmentBlock.ToByteArray(sd, false);
try
{
fixed (byte* numRef = buffer)
{
IntPtr lpEnvironment = new IntPtr((void*) numRef);
if ((userToken == null) || userToken.IsInvalid)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
goto Label_0325;
}
finally
{
flag = Microsoft.Win32.NativeMethods.CreateProcess(null, new StringBuilder(cmd), null, null, true, 0, lpEnvironment, currentDir, startupinfo, lpProcessInformation);
if ((lpProcessInformation.hProcess != IntPtr.Zero) && (lpProcessInformation.hProcess != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
processHandle.InitialSetHandle(lpProcessInformation.hProcess);
}
if ((lpProcessInformation.hThread != IntPtr.Zero) && (lpProcessInformation.hThread != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
handle2.InitialSetHandle(lpProcessInformation.hThread);
}
}
}
flag = SafeUserTokenHandle.DuplicateTokenEx(userToken, 0xf01ff, null, 2, 1, out hNewToken);
if (flag)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
flag = Microsoft.Win32.NativeMethods.CreateProcessAsUser(hNewToken, null, cmd, null, null, true, 0, new HandleRef(null, lpEnvironment), currentDir, startupinfo, lpProcessInformation);
if ((lpProcessInformation.hProcess != IntPtr.Zero) && (lpProcessInformation.hProcess != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
processHandle.InitialSetHandle(lpProcessInformation.hProcess);
}
if ((lpProcessInformation.hThread != IntPtr.Zero) && (lpProcessInformation.hThread != Microsoft.Win32.NativeMethods.INVALID_HANDLE_VALUE))
{
handle2.InitialSetHandle(lpProcessInformation.hThread);
}
}
}
}
}
finally
{
numRef = null;
}
}
finally
{
if ((!flag && (hNewToken != null)) && !hNewToken.IsInvalid)
{
hNewToken.Close();
hNewToken = null;
}
stream.Close();
stream2.Close();
}
Label_0325:
if (flag)
{
try
{
bool flag2;
ProcessWaitHandle handle4 = null;
try
{
handle4 = new ProcessWaitHandle(processHandle);
flag2 = handle4.WaitOne(0x927c0, false);
}
finally
{
if (handle4 != null)
{
handle4.Close();
}
}
if (!flag2)
{
throw new ExternalException(SR.GetString("ExecTimeout", new object[] { cmd }), 0x102);
}
int exitCode = 0x103;
if (!Microsoft.Win32.NativeMethods.GetExitCodeProcess(processHandle, out exitCode))
{
throw new ExternalException(SR.GetString("ExecCantGetRetCode", new object[] { cmd }), Marshal.GetLastWin32Error());
}
return exitCode;
}
finally
{
processHandle.Close();
handle2.Close();
if ((hNewToken != null) && !hNewToken.IsInvalid)
{
hNewToken.Close();
}
}
}
int error = Marshal.GetLastWin32Error();
if (error == 8)
{
throw new OutOfMemoryException();
}
Win32Exception inner = new Win32Exception(error);
ExternalException exception2 = new ExternalException(SR.GetString("ExecCantExec", new object[] { cmd }), inner);
throw exception2;
}
