public static void Generate(string computerName, SyncList.SyncList <DprCurrentUsers> result)
{
Helpers.AssertNotNull(result, @"result SyncList cannot be null");
Helpers.AssertString(computerName, @"Computer name cannot be empty");
switch (GetNetworkUsers(computerName, ref result))
{
case Win32.Error.Success:
break;
case Win32.Error.ErrorMoreData:
break;
case Win32.Error.ErrorAccessDenied:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"DprCurrentUsers - Generate - Access Denied for {0}", computerName);
result.Add(new DprCurrentUsers(computerName, ConnectionStatuses.AccessDenied));
//return;
break;
default:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"DprCurrentUsers - Generate - Unknown Error for {0}", computerName);
result.Add(new DprCurrentUsers(computerName, ConnectionStatuses.Error));
//return;
break;
}
GetLocallyLoggedOnUsers(computerName, result);
ValidateUniqueness(result);
}
public static void ValidateUniqueness(SyncList.SyncList <DprCurrentUsers> rows)
{
var guids = new HashSet <Guid>( );
foreach (var item in rows)
{
Helpers.Assert(!guids.Contains(item.RowGuid), @"RowGuid's must be unique");
guids.Add(item.RowGuid);
}
}
public static void Generate(string computerName, SyncList.SyncList <DprComputerInfo> result)
{
Helpers.AssertNotNull(result, @"result SyncList cannot be null");
Helpers.AssertString(computerName, @"Computer name cannot be empty");
var ci = new DprComputerInfo(computerName)
{
LocalSystemDateTime = DateTime.Now
};
try {
WmiHelpers.ForEach(computerName, @"SELECT * FROM Win32_OperatingSystem WHERE Primary=TRUE", obj => {
ci.LastBootTime = WmiHelpers.GetNullableDate(obj, @"LastBootUpTime");
ci.SystemTime = WmiHelpers.GetNullableDate(obj, @"LocalDateTime");
ci.Version = WmiHelpers.GetString(obj, @"Caption");
ci.Architecture = WmiHelpers.GetString(obj, @"OSArchitecture");
ci.InstallDate = WmiHelpers.GetNullableDate(obj, @"InstallDate");
return(true);
});
WmiHelpers.ForEach(computerName, @"SELECT * FROM Win32_BIOS", obj => {
ci.Manufacturer = WmiHelpers.GetString(obj, @"Manufacturer");
ci.HwReleaseDate = WmiHelpers.GetNullableDate(obj, @"ReleaseDate");
ci.SerialNumber = WmiHelpers.GetString(obj, @"SerialNumber");
ci.BiosVersion = WmiHelpers.GetString(obj, @"SMBIOSBIOSVersion");
return(true);
});
WmiHelpers.ForEach(computerName, @"SELECT * FROM Win32_ComputerSystem", obj => {
ci.Model = WmiHelpers.GetString(obj, @"Model");
ci.TotalPhysicalMemory = WmiHelpers.GetUInt(obj, @"TotalPhysicalMemory");
return(true);
});
} catch (UnauthorizedAccessException uae) {
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"Exception - {0} - {1}", uae.TargetSite, uae.Message);
ci.ConnectionStatus = ConnectionStatuses.AuthorizationError;
} catch (Exception ex) {
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"Exception - {0} - {1}", ex.TargetSite, ex.Message);
ci.ConnectionStatus = ConnectionStatuses.Error;
}
result.Add(ci);
ValidateUniqueness(result);
}
private static void GetLocallyLoggedOnUsers(string computerName, SyncList.SyncList <DprCurrentUsers> result)
{
var usersList = new List <DprCurrentUsers>( );
using (var regHku = RegistryKey.OpenRemoteBaseKey(RegistryHive.Users, string.Empty)) {
foreach (var currentSid in regHku.GetSubKeyNames( ).Where(IsSid))
{
var cu = new DprCurrentUsers(computerName)
{
Sid = currentSid
};
try {
if (Win32.WellKnownSids.ContainsKey(currentSid))
{
cu.Domain = computerName; // Local account
cu.UserName = Win32.WellKnownSids[currentSid];
}
else
{
GetUserAccountFromSid(ref cu);
}
cu.ProfileFolder = RegistryHelpers.GetString(computerName, RegistryHive.LocalMachine, string.Format(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\{0}", currentSid), @"ProfileImagePath");
cu.LastLogon = GetUsersLogonTimestamp(cu);
} catch (Exception ex) {
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"Exception - {0} - {1}", ex.TargetSite, ex.Message);
cu = new DprCurrentUsers(computerName, ConnectionStatuses.Error)
{
Sid = currentSid
};
}
cu.LogonType = LogonTypes.Local;
usersList.Add(cu);
}
}
result.AddRange(usersList);
}
private static Win32.Error GetNetworkUsers(string computerName, ref SyncList.SyncList <DprCurrentUsers> result)
{
Win32.Error res;
var er = 0;
var tr = 0;
var resume = 0;
var buffer = IntPtr.Zero;
var usersList = new List <DprCurrentUsers>( );
do
{
try {
res = (Win32.Error)Win32.NetSessionEnum(computerName, null, null, 502, out buffer, -1, ref er, ref tr, ref resume);
if (res == Win32.Error.ErrorMoreData || res == Win32.Error.Success)
{
var bufferPtrInt = buffer.ToInt32( );
for (var i = 0; i < er; i++)
{
var sessionInfo = (Win32.SessionInfo502)Marshal.PtrToStructure(new IntPtr(bufferPtrInt), typeof(Win32.SessionInfo502));
var cu = new DprCurrentUsers(computerName)
{
UserName = sessionInfo.userName, LastLogon = DateTime.Now.AddSeconds(-sessionInfo.logonDuration), LogonType = LogonTypes.Share
};
usersList.Add(cu);
bufferPtrInt += Marshal.SizeOf(typeof(Win32.SessionInfo502));
}
}
else
{
switch (res)
{
case Win32.Error.ErrorAccessDenied:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Access Denied: {0}", computerName);
break;
case Win32.Error.ErrorNotEnoughMemory:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Not Enough Memory: {0}", computerName);
break;
case Win32.Error.ErrorBadNetpath:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Bad Network Path: {0}", computerName);
break;
case Win32.Error.ErrorNetworkBusy:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Network Busy: {0}", computerName);
break;
case Win32.Error.ErrorInvalidParameter:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Invalid Parameter: {0}", computerName);
break;
case Win32.Error.ErrorInsufficientBuffer:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Insufficient Buff: {0}", computerName);
break;
case Win32.Error.ErrorInvalidLevel:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Invalid Level: {0}", computerName);
break;
case Win32.Error.ErrorExtendedError:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Exended Error: {0}", computerName);
break;
case Win32.Error.ErrorNoNetwork:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: No Network: {0}", computerName);
break;
case Win32.Error.ErrorInvalidHandleState:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Invalid Handle State: {0}", computerName);
break;
case Win32.Error.NerrBase:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: NERR_BASE: {0}", computerName);
break;
case Win32.Error.NerrUnknownDevDir:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Unknown Device Directory: {0}", computerName);
break;
case Win32.Error.NerrDuplicateShare:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Duplicate Share: {0}", computerName);
break;
case Win32.Error.NerrBufTooSmall:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: Buffer too small: {0}", computerName);
break;
case Win32.Error.ErrorNoBrowserServersFound:
GlobalLogging.WriteLine(Logging.LogSeverity.Error, @"GetNetworkUsers: No Browser Servers Found: {0}", computerName);
break;
}
return(res);
}
} finally {
if (IntPtr.Zero != buffer)
{
Win32.NetApiBufferFree(buffer);
}
}
} while(res == Win32.Error.ErrorMoreData);
result.AddRange(usersList);
return(Win32.Error.Success);
}
