private static ProcessApi.PROCESS_INFORMATION RunProcess(ref ProcessApi.STARTUPINFOEX sInfoEx, string commandLine)
{
var securityAttributeSize = Marshal.SizeOf <ProcessApi.SECURITY_ATTRIBUTES>();
var pSec = new ProcessApi.SECURITY_ATTRIBUTES {
nLength = securityAttributeSize
};
var tSec = new ProcessApi.SECURITY_ATTRIBUTES {
nLength = securityAttributeSize
};
var success = CreateProcess(
null,
commandLine,
ref pSec,
ref tSec,
false,
EXTENDED_STARTUPINFO_PRESENT,
IntPtr.Zero,
null,
ref sInfoEx,
out var pInfo
);
if (!success)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Could not create process.");
}
return(pInfo);
}
private static ProcessApi.STARTUPINFOEX ConfigureProcessThread(IntPtr hPC, IntPtr attributes)
{
// this method implements the behavior described in https://docs.microsoft.com/en-us/windows/console/creating-a-pseudoconsole-session#preparing-for-creation-of-the-child-process
var lpSize = IntPtr.Zero;
var success = InitializeProcThreadAttributeList(
IntPtr.Zero,
1,
0,
ref lpSize
);
if (success || lpSize == IntPtr.Zero
) // we're not expecting `success` here, we just want to get the calculated lpSize
{
throw new Win32Exception(Marshal.GetLastWin32Error(),
"Could not calculate the number of bytes for the attribute list.");
}
var startupInfo = new ProcessApi.STARTUPINFOEX();
startupInfo.StartupInfo.cb = Marshal.SizeOf <ProcessApi.STARTUPINFOEX>();
startupInfo.lpAttributeList = Marshal.AllocHGlobal(lpSize);
success = InitializeProcThreadAttributeList(
startupInfo.lpAttributeList,
1,
0,
ref lpSize
);
if (!success)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Could not set up attribute list.");
}
success = UpdateProcThreadAttribute(
startupInfo.lpAttributeList,
0,
attributes,
hPC,
(IntPtr)IntPtr.Size,
IntPtr.Zero,
IntPtr.Zero
);
if (!success)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Could not set pseudoconsole thread attribute.");
}
return(startupInfo);
}
internal static SafeProcessHandle CreateProcessAsUserWithFlags(string lpApplicationName, string args, ProcessApi.CreateProcessFlags dwCreationFlags, out PROCESS_INFORMATION pInfo)
{
var sInfoEx = new ProcessApi.STARTUPINFOEX();
sInfoEx.StartupInfo.cb = Marshal.SizeOf(sInfoEx);
IntPtr lpValue = IntPtr.Zero;
var pSec = new ProcessApi.SECURITY_ATTRIBUTES();
var tSec = new ProcessApi.SECURITY_ATTRIBUTES();
pSec.nLength = Marshal.SizeOf(pSec);
tSec.nLength = Marshal.SizeOf(tSec);
var command = $"{lpApplicationName} {args}";
Logger.Instance.Log($"{nameof(CreateProcessAsUser)}: {lpApplicationName} {args}", LogLevel.Debug);
if (!ProcessApi.CreateProcess(null, command, ref pSec, ref tSec, false, dwCreationFlags, IntPtr.Zero, null, ref sInfoEx, out pInfo))
{
throw new Win32Exception((int)ConsoleApi.GetLastError());
}
return(new SafeProcessHandle(pInfo.hProcess, true));
}
public Process(ProcessApi.STARTUPINFOEX startupInfo, ProcessApi.PROCESS_INFORMATION processInfo)
{
StartupInfo = startupInfo;
ProcessInfo = processInfo;
}
