public static IEnumerable <USER_INFO_3> GetLocalUsers(string computerName)
{
// Returns local users
// FILTER_NORMAL_ACCOUNT == 2
var users = new List <USER_INFO_3>();
var retVal = NetUserEnum(computerName, 3, 2, out var bufPtr, MAX_PREFERRED_LENGTH, out var EntriesRead, out var TotalEntries, out var Resume);
if (retVal != 0)
{
var errorMessage = new Win32Exception(Marshal.GetLastWin32Error()).Message;
throw new Exception("Error code " + retVal + ": " + errorMessage);
}
if (EntriesRead == 0)
{
return(users);
}
var names = new string[EntriesRead];
var userInfo = new USER_INFO_3[EntriesRead];
var iter = bufPtr;
for (var i = 0; i < EntriesRead; i++)
{
userInfo[i] = (USER_INFO_3)Marshal.PtrToStructure(iter, typeof(USER_INFO_3));
users.Add(userInfo[i]);
//x64 safe
iter = new IntPtr(iter.ToInt64() + Marshal.SizeOf(typeof(USER_INFO_3)));
}
NetApiBufferFree(bufPtr);
return(users);
}
public static void DumpServer(string serverName)
{
StreamWriter writer = new StreamWriter(serverName + ".txt");
IntPtr resume_handle = IntPtr.Zero;
IntPtr ptr = IntPtr.Zero;
int resume = 0;
double total_counted = 0;
double max = 0;
int totalentries = 0;
int entriesread = 0;
int prefmaxlen = 1048576 * 10; // 1 MB * 10
Stopwatch sw = new Stopwatch();
writer.WriteLine("Name\tFull Name\tComment\tUser Comment\tFlags\tAuth Flags\tPw Age\tExpired Pw?\tLast Logon\tLast Logoff\tExpiry Date\tPriv\tBad Pw Count\tProfile\tHomedir\tMax Storage\tWorkstations");
while (true)
{
sw.Start();
int status = NetUserEnum(serverName, 3, 2, out ptr, prefmaxlen, out entriesread, out totalentries, ref resume);
sw.Stop();
if (status != ERROR_MORE_DATA && status != 0)
{
Console.WriteLine("Error: " + status);
break;
}
total_counted += entriesread;
if (max == 0)
{
max = totalentries;
}
IntPtr iter = ptr;
for (int i = 0; i < entriesread; i++)
{
USER_INFO_3 user = (USER_INFO_3)Marshal.PtrToStructure(iter, typeof(USER_INFO_3));
iter = (IntPtr)((int)iter + Marshal.SizeOf(user));
writer.Write(user.name);
writer.Write("\t");
writer.Write(user.full_name);
writer.Write("\t");
writer.Write(user.comment);
writer.Write("\t");
writer.Write(user.usr_comment);
writer.Write("\t");
writer.Write(FlagsToString(user.flags));
writer.Write("\t");
writer.Write(AuthFlagsToString(user.auth_flags));
writer.Write("\t");
writer.Write(user.password_age + "s - " + user.password_age / (60 * 60 * 24) + "days");
writer.Write("\t");
writer.Write(user.password_expired);
writer.Write("\t");
writer.Write(UnixToStr(user.last_logon));
writer.Write("\t");
writer.Write(UnixToStr(user.last_logoff));
writer.Write("\t");
writer.Write(UnixToStr(user.acct_expires));
writer.Write("\t");
writer.Write(user.priv);
writer.Write("\t");
writer.Write(user.bad_pw_count);
writer.Write("\t");
writer.Write(user.profile);
writer.Write("\t");
writer.Write(user.home_dir_drive);
writer.Write("\t");
writer.Write(user.max_storage);
writer.Write("\t");
writer.Write(user.workstations);
writer.Write("\t");
writer.WriteLine();
}
writer.Flush();
NetApiBufferFree(ptr);
Console.WriteLine(String.Format("{0:#.##}% {1} / {2} in {3}s - {4:#.##} users/sec", (total_counted / max) * 100, total_counted, max, sw.ElapsedMilliseconds / 1000, total_counted / (sw.ElapsedMilliseconds / 1000)));
if (status == 0)
{
break;
}
}
writer.Close();
Console.WriteLine("Done.");
}
