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| using System;
using System.Collections;
using System.Runtime.InteropServices;
namespace ServerEnum
{
internal class Class1
{
[DllImport("netapi32.dll", EntryPoint="NetServerEnum")]
public static extern NERR NetServerEnum([MarshalAs(UnmanagedType.LPWStr)] string ServerName, int Level, out IntPtr BufPtr, int PrefMaxLen, ref int EntriesRead, ref int TotalEntries, SV_101_TYPES ServerType, [MarshalAs(UnmanagedType.LPWStr)] string Domain, int ResumeHandle);
[DllImport("netapi32.dll", EntryPoint="NetApiBufferFree")]
public static extern NERR NetApiBufferFree(IntPtr Buffer);
[Flags]
public enum SV_101_TYPES : uint
{
SV_TYPE_WORKSTATION = 0x00000001,
SV_TYPE_SERVER = 0x00000002,
SV_TYPE_SQLSERVER = 0x00000004,
SV_TYPE_DOMAIN_CTRL = 0x00000008,
SV_TYPE_DOMAIN_BAKCTRL = 0x00000010,
SV_TYPE_TIME_SOURCE = 0x00000020,
SV_TYPE_AFP = 0x00000040,
SV_TYPE_NOVELL = 0x00000080,
SV_TYPE_DOMAIN_MEMBER = 0x00000100,
SV_TYPE_PRINTQ_SERVER = 0x00000200,
SV_TYPE_DIALIN_SERVER = 0x00000400,
SV_TYPE_XENIX_SERVER = 0x00000800,
SV_TYPE_SERVER_UNIX = SV_TYPE_XENIX_SERVER,
SV_TYPE_NT = 0x00001000,
SV_TYPE_WFW = 0x00002000,
SV_TYPE_SERVER_MFPN = 0x00004000,
SV_TYPE_SERVER_NT = 0x00008000,
SV_TYPE_POTENTIAL_BROWSER = 0x00010000,
SV_TYPE_BACKUP_BROWSER = 0x00020000,
SV_TYPE_MASTER_BROWSER = 0x00040000,
SV_TYPE_DOMAIN_MASTER = 0x00080000,
SV_TYPE_SERVER_OSF = 0x00100000,
SV_TYPE_SERVER_VMS = 0x00200000,
SV_TYPE_WINDOWS = 0x00400000,
SV_TYPE_DFS = 0x00800000,
SV_TYPE_CLUSTER_NT = 0x01000000,
SV_TYPE_TERMINALSERVER = 0x02000000,
SV_TYPE_CLUSTER_VS_NT = 0x04000000,
SV_TYPE_DCE = 0x10000000,
SV_TYPE_ALTERNATE_XPORT = 0x20000000,
SV_TYPE_LOCAL_LIST_ONLY = 0x40000000,
SV_TYPE_DOMAIN_ENUM = 0x80000000,
SV_TYPE_ALL = 0xFFFFFFFF,
}
[StructLayout(LayoutKind.Sequential)]
public struct SERVER_INFO_101
{
[MarshalAs(UnmanagedType.U4)] public uint sv101_platform_id;
[MarshalAs(UnmanagedType.LPWStr)] public string sv101_name;
[MarshalAs(UnmanagedType.U4)] public uint sv101_version_major;
[MarshalAs(UnmanagedType.U4)] public uint sv101_version_minor;
[MarshalAs(UnmanagedType.U4)] public uint sv101_type;
[MarshalAs(UnmanagedType.LPWStr)] public string sv101_comment;
}
public enum PLATFORM_ID : uint
{
PLATFORM_ID_DOS = 300,
PLATFORM_ID_OS2 = 400,
PLATFORM_ID_NT = 500,
PLATFORM_ID_OSF = 600,
PLATFORM_ID_VMS = 700,
}
public enum NERR
{
NERR_Success = 0,
ERROR_ACCESS_DENIED = 5,
ERROR_NOT_ENOUGH_MEMORY = 8,
ERROR_BAD_NETPATH = 53,
ERROR_NETWORK_BUSY = 54,
ERROR_INVALID_PARAMETER = 87,
ERROR_INVALID_LEVEL = 124,
ERROR_MORE_DATA = 234,
ERROR_EXTENDED_ERROR = 1208,
ERROR_NO_NETWORK = 1222,
ERROR_INVALID_HANDLE_STATE = 1609,
ERROR_NO_BROWSER_SERVERS_FOUND = 6118,
}
public static ArrayList GetServerList(SV_101_TYPES type)
{
SERVER_INFO_101 si;
IntPtr pInfo = IntPtr.Zero;
int etriesread = 0;
int totalentries = 0;
ArrayList srvs = new ArrayList();
try
{
NERR err = NetServerEnum(null, 101, out pInfo, -1, ref etriesread, ref totalentries, type, null, 0);
if ((err == NERR.NERR_Success || err == NERR.ERROR_MORE_DATA) && pInfo != IntPtr.Zero)
{
int ptr = pInfo.ToInt32();
for (int i = 0; i < etriesread; i++)
{
si = (SERVER_INFO_101) Marshal.PtrToStructure(new IntPtr(ptr), typeof (SERVER_INFO_101));
srvs.Add(si.sv101_name);
ptr += Marshal.SizeOf(si);
}
}
}
catch (Exception)
{
}
finally
{
if (pInfo != IntPtr.Zero)
{
NetApiBufferFree(pInfo);
}
}
return (srvs);
}
[STAThread]
static void Main()
{
Console.WriteLine("{0} WORKSTATION", new string('=', 10));
ArrayList list = GetServerList(SV_101_TYPES.SV_TYPE_WORKSTATION);
foreach (string name in list)
{
Console.WriteLine(name);
}
Console.WriteLine("{0} UNIX", new string('=', 10));
list = GetServerList(SV_101_TYPES.SV_TYPE_SERVER_UNIX);
foreach (string name in list)
{
Console.WriteLine(name);
}
Console.ReadLine();
}
}
} |
(
