internal TerminalSessionCollection(TerminalServer server)
: base(new System.Collections.Generic.List <TerminalSession>())
{
int count = 0;
IntPtr ptr = IntPtr.Zero;
using (WtsServerCookie cookie = server.OpenServer())
{
if (!NativeMethods.WTSEnumerateSessions(cookie.Handle, 0, 1, out ptr, out count))
{
throw PscxException.LastWin32Exception();
}
}
try
{
foreach (WTS_SESSION_INFO info in Utils.ReadNativeArray <WTS_SESSION_INFO>(ptr, count))
{
Items.Add(new TerminalSession(server, info));
}
}
finally
{
NativeMethods.WTSFreeMemory(ptr);
}
}
private static void AdjustToken()
{
using (Process process = Process.GetCurrentProcess())
{
SafeTokenHandle hToken = SafeTokenHandle.InvalidHandle;
try
{
if (!NativeMethods.OpenProcessToken(process.Handle, TokenAccessLevels.AdjustPrivileges, ref hToken))
{
throw PscxException.LastWin32Exception();
}
TokenPrivilegeCollection privileges = new TokenPrivilegeCollection();
privileges.Enable(TokenPrivilege.Backup);
privileges.Enable(TokenPrivilege.Restore);
Utils.AdjustTokenPrivileges(hToken, privileges);
}
finally
{
hToken.Dispose();
}
}
}
public unsafe TokenPrivilegeCollection(WindowsIdentity identity)
{
int bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
using (SafeTokenHandle tokenHandle = new SafeTokenHandle(identity.Token, false))
{
if (!TryGetTokenPrivileges(tokenHandle, buffer, out bufferSize))
{
buffer = new byte[bufferSize];
if (!TryGetTokenPrivileges(tokenHandle, buffer, out bufferSize))
{
throw PscxException.LastWin32Exception();
}
}
}
fixed(void *ptr = buffer)
{
TOKEN_PRIVILEGES * tp = (TOKEN_PRIVILEGES *)(ptr);
LUID_AND_ATTRIBUTES *la = &tp->Privileges;
int remaining = tp->PrivilegeCount;
while (remaining-- > 0)
{
Add(new TokenPrivilege(*la++));
}
}
}
internal WtsServerCookie(IntPtr handle)
{
if (handle == IntPtr.Zero)
{
throw PscxException.LastWin32Exception();
}
_handle = handle;
}
public void Logoff(Boolean wait)
{
using (WtsServerCookie cookie = _server.OpenServer())
{
if (!NativeMethods.WTSLogoffSession(cookie.Handle, _sessionId, wait))
{
throw PscxException.LastWin32Exception();
}
}
}
public void Shutdown(WtsShutdownType type)
{
using (WtsServerCookie cookie = OpenServer())
{
if (!NativeMethods.WTSShutdownSystem(cookie.Handle, (int)(type)))
{
throw PscxException.LastWin32Exception();
}
}
}
public void TerminateProcess(int processId, int exitCode)
{
using (WtsServerCookie cookie = OpenServer())
{
if (!NativeMethods.WTSTerminateProcess(cookie.Handle, processId, exitCode))
{
throw PscxException.LastWin32Exception();
}
}
}
public TokenPrivilege(string systemName, string privilege, bool enabled)
{
if (NativeMethods.LookupPrivilegeValue(systemName, privilege, ref value.Luid))
{
value.Attributes = (enabled ? PrivilegeStatus.Enabled : PrivilegeStatus.Disabled);
}
else
{
throw PscxException.LastWin32Exception();
}
}
private AssemblyCacheType GetCacheType(string path)
{
WriteDebug("GetCacheType: " + path);
if (PSDriveInfo == null)
{
// TODO: extract root from provider qualified path, e.g. assemblycache::\\gac\system.web
throw PscxException.NotImplementedYet("Provider-qualified paths are not yet supported. Please map a new drive to this location.");
}
string root = PSDriveInfo.Root;
return(Utils.ParseEnumOrThrow <AssemblyCacheType>(root));
}
public unsafe bool TryGetTokenPrivileges(SafeTokenHandle hToken, byte[] bytes, out int bufferSize)
{
fixed(void *buffer = bytes)
{
if (!UnsafeNativeMethods.GetTokenInformation(hToken,
TOKEN_INFORMATION_CLASS.TokenPrivileges,
buffer,
bytes.Length,
out bufferSize))
{
if (Marshal.GetLastWin32Error() == NativeMethods.ERROR_INSUFFICIENT_BUFFER)
{
return(false);
}
throw PscxException.LastWin32Exception();
}
}
return(true);
}
void IPscxErrorHandler.WriteLastWin32Error(string errorId, ErrorCategory category, object target)
{
ErrorHandler.WriteWin32Error(PscxException.LastWin32Exception(), errorId, category, target);
}
