private static WTS_CLIENT_INFO LoadClientInfoForSession(IntPtr ptrOpenedServer, int active_session)
{
int returned = 0;
IntPtr str = IntPtr.Zero;
WTS_CLIENT_INFO ClientInfo = new WTS_CLIENT_INFO();
ClientInfo.WTSStationName = "";
ClientInfo.WTSClientName = "";
ClientInfo.Address = new byte[6];
ClientInfo.Address[2] = 0;
ClientInfo.Address[3] = 0;
ClientInfo.Address[4] = 0;
ClientInfo.Address[5] = 0;
ClientInfo.WTSClientName = GetString(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSClientName);
ClientInfo.WTSStationName = GetString(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSWinStationName);
ClientInfo.WTSDomainName = GetString(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSDomainName);
//Get client IP address
IntPtr addr = System.IntPtr.Zero;
if (WTSQuerySessionInformation2(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSClientAddress, ref addr, ref returned) == true)
{
_WTS_CLIENT_ADDRESS obj = new _WTS_CLIENT_ADDRESS();
obj = (_WTS_CLIENT_ADDRESS)Marshal.PtrToStructure(addr, obj.GetType());
ClientInfo.Address[2] = obj.Address[2];
ClientInfo.Address[3] = obj.Address[3];
ClientInfo.Address[4] = obj.Address[4];
ClientInfo.Address[5] = obj.Address[5];
}
return(ClientInfo);
}
/// <summary>
/// Get a List of all Sessions on a server and IP address.
/// </summary>
/// <param name="ServerName"></param>
/// <returns></returns>
public static List <String> ListSessions(String ServerName)
{
IntPtr server = IntPtr.Zero;
List <String> ret = new List <string>();
server = OpenServer(ServerName);
try
{
IntPtr ppSessionInfo = IntPtr.Zero;
Int32 count = 0;
Int32 retval = WTSEnumerateSessions(server, 0, 1, ref ppSessionInfo, ref count);
Int32 dataSize = Marshal.SizeOf(typeof(WTS_SESSION_INFO));
Int32 current = (int)ppSessionInfo;
if (retval != 0)
{
for (int i = 0; i < count; i++)
{
WTS_SESSION_INFO si = (WTS_SESSION_INFO)Marshal.PtrToStructure((System.IntPtr)current, typeof(WTS_SESSION_INFO));
current += dataSize;
#region OTsSession
uint returned = 0;;
TsSession oTsSession = new TsSession();
//IP address
IntPtr addr = IntPtr.Zero;
if (WTSQuerySessionInformation(server, si.SessionID, WTS_INFO_CLASS.WTSClientAddress, out addr, out returned) == true)
{
_WTS_CLIENT_ADDRESS obj = new _WTS_CLIENT_ADDRESS();
obj = (_WTS_CLIENT_ADDRESS)Marshal.PtrToStructure(addr, obj.GetType());
oTsSession.IpAddress = obj.Address[2] + "." + obj.Address[3] + "." + obj.Address[4] + "." + obj.Address[5];
}
#endregion
ret.Add(si.SessionID + " " + si.State + " " + si.pWinStationName + " " + oTsSession.IpAddress);
}
WTSFreeMemory(ppSessionInfo);
}
}
finally
{
CloseServer(server);
}
return(ret);
}
private static WTS_CLIENT_INFO LoadClientInfoForSession(IntPtr ptrOpenedServer, int active_session)
{
int returned = 0;
IntPtr str = IntPtr.Zero;
WTS_CLIENT_INFO ClientInfo = new WTS_CLIENT_INFO
{
WTSStationName = "",
WTSClientName = "",
Address = new byte[6]
};
ClientInfo.Address[2] = 0;
ClientInfo.Address[3] = 0;
ClientInfo.Address[4] = 0;
ClientInfo.Address[5] = 0;
ClientInfo.WTSClientName = GetString(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSClientName);
ClientInfo.WTSStationName = GetString(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSWinStationName);
ClientInfo.WTSDomainName = GetString(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSDomainName);
//Get client IP address
IntPtr addr = IntPtr.Zero;
if (WTSQuerySessionInformation2(ptrOpenedServer, active_session, WTS_INFO_CLASS.WTSClientAddress, ref addr,
ref returned))
{
_WTS_CLIENT_ADDRESS obj = new _WTS_CLIENT_ADDRESS();
obj = (_WTS_CLIENT_ADDRESS) Marshal.PtrToStructure(addr, obj.GetType());
ClientInfo.Address[2] = obj.Address[2];
ClientInfo.Address[3] = obj.Address[3];
ClientInfo.Address[4] = obj.Address[4];
ClientInfo.Address[5] = obj.Address[5];
}
return ClientInfo;
}
public static IEnumerable <UserInfo> GetUsers(String ServerName)
{
IntPtr serverHandle = IntPtr.Zero;
List <String> resultList = new List <string>();
serverHandle = OpenServer(ServerName);
try
{
IntPtr SessionInfoPtr = IntPtr.Zero;
IntPtr userPtr = IntPtr.Zero;
IntPtr domainPtr = IntPtr.Zero;
//IntPtr clientnamePtr = IntPtr.Zero;
TsSession oTsSession = new TsSession();
IntPtr addrPtr = IntPtr.Zero;
uint returned = 0;;
Int32 sessionCount = 0;
Int32 retVal = WTSEnumerateSessions(serverHandle, 0, 1, ref SessionInfoPtr, ref sessionCount);
Int32 dataSize = Marshal.SizeOf(typeof(WTS_SESSION_INFO));
Int32 currentSession = (int)SessionInfoPtr;
uint bytes = 0;
if (retVal != 0)
{
for (int i = 0; i < sessionCount; i++)
{
WTS_SESSION_INFO si = (WTS_SESSION_INFO)Marshal.PtrToStructure((System.IntPtr)currentSession, typeof(WTS_SESSION_INFO));
currentSession += dataSize;
WTSQuerySessionInformation(serverHandle, si.SessionID, WTS_INFO_CLASS.WTSUserName, out userPtr, out bytes);
WTSQuerySessionInformation(serverHandle, si.SessionID, WTS_INFO_CLASS.WTSDomainName, out domainPtr, out bytes);
//WTSQuerySessionInformation(serverHandle, si.SessionID, WTS_INFO_CLASS.WTSClientAddress, out clientnamePtr, out bytes);
if (WTSQuerySessionInformation(serverHandle, si.SessionID, WTS_INFO_CLASS.WTSClientAddress, out addrPtr, out returned) == true)
{
_WTS_CLIENT_ADDRESS obj = new _WTS_CLIENT_ADDRESS();
obj = (_WTS_CLIENT_ADDRESS)Marshal.PtrToStructure(addrPtr, obj.GetType());
oTsSession.IpAddress = obj.Address[2] + "." + obj.Address[3] + "." + obj.Address[4] + "." + obj.Address[5];
}
yield return(new UserInfo
{
Domain = Marshal.PtrToStringAnsi(domainPtr),
User = Marshal.PtrToStringAnsi(userPtr),
ClientIP = oTsSession.IpAddress,
SessionID = si.SessionID,
ClientName = si.pWinStationName
});
WTSFreeMemory(userPtr);
WTSFreeMemory(domainPtr);
WTSFreeMemory(addrPtr);
}
WTSFreeMemory(SessionInfoPtr);
}
}
finally
{
CloseServer(serverHandle);
}
}
