public static List <string> GetLoggedOnUser(string computerName)
{
List <string> users = new List <string>();
try
{
var scope = GetManagementScope(computerName);
scope.Connect();
var Query = new SelectQuery("SELECT LogonId FROM Win32_LogonSession Where LogonType=10");
var Searcher = new ManagementObjectSearcher(scope, Query);
var regName = new Regex(@"(?<=Name="").*(?="")");
foreach (ManagementObject WmiObject in Searcher.Get())
{
foreach (ManagementObject LWmiObject in WmiObject.GetRelationships("Win32_LoggedOnUser"))
{
users.Add(regName.Match(LWmiObject["Antecedent"].ToString()).Value);
}
}
}
catch (Exception ex)
{
users.Add(ex.Message);
}
return(users);
}
/// <summary>
/// Get a list of all the logged user on the provided computer. Note that all account will
/// be returned, such as local service or anonymous logon
/// </summary>
/// <param name="computer">The computer to use</param>
/// <returns>A list of all the logged in users</returns>
public static async Task <IEnumerable <User> > getLoggedUsers(Computer computer)
{
// Perform the operation asynchronously
return(await Task.Run(() => {
Dictionary <string, User> users = new Dictionary <string, User>();
try {
var scopeLocal = new ManagementScope($@"\\127.0.0.1\root\cimv2", getConnectionOptions());
var scope = new ManagementScope($@"\\{computer.nameLong}\root\cimv2", getConnectionOptions());
var Query = new SelectQuery("SELECT LogonId FROM Win32_LogonSession");
var Searcher = new ManagementObjectSearcher(scope, Query);
var regName = new Regex($"(?i)Domain=\"(?<valueDomain>.+)\",Name=\"(?<valueName>.+)\"");
foreach (ManagementObject WmiObject in Searcher.Get())
{
foreach (ManagementObject LWmiObject in WmiObject.GetRelationships("Win32_LoggedOnUser"))
{
Match m = regName.Match(LWmiObject["Antecedent"].ToString());
if (m.Success)
{
string login = m.Groups["valueName"].Value;
string domain = m.Groups["valueDomain"].Value;
// Look for user information
ManagementObjectSearcher searcher;
if (domain.ToLower() == computer.domain.Split('.')[0].ToLower())
{
searcher = new ManagementObjectSearcher(scopeLocal, new SelectQuery($"SELECT * FROM Win32_Account WHERE Name='{login}' AND Domain='{domain}'"));
}
else
{
searcher = new ManagementObjectSearcher(scope, new SelectQuery($"SELECT * FROM Win32_Account WHERE Name='{login}' AND Domain='{domain}'"));
}
try {
foreach (ManagementObject mo in searcher.Get())
{
if (users.ContainsKey(mo["SID"].ToString()))
{
continue;
}
users[mo["SID"].ToString()] = (new User()
{
caption = mo["Caption"].ToString(),
description = mo["Description"].ToString(),
domain = mo["Domain"].ToString(),
localAccount = (bool)mo["LocalAccount"],
name = mo["Name"].ToString(),
SID = mo["SID"].ToString(),
SIDType = (byte)mo["SIDType"],
status = mo["Status"].ToString()
});
}
} catch (Exception) {
// Ignore not found
}
}
}
}
} catch (Exception e) {
throw new WMIException()
{
error = e, computer = computer.nameLong
};
}
return users.Values.AsEnumerable();
}));
}