public static bool SupportSMB2And3(string server, out SMBSecurityModeEnum securityMode)
{
bool tempResult = false;
bool result = false;
securityMode = SMBSecurityModeEnum.NotTested;
SMBSecurityModeEnum smbv2temp;
foreach (int dialect in new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 })
{
try
{
tempResult = Smb2Protocol.DoesServerSupportDialectWithSmbV2(server, dialect, out smbv2temp);
if (tempResult)
{
result = true;
securityMode = CombineSecurityMode(securityMode, smbv2temp);
}
}
catch (SmbPortClosedException)
{
break;
}
catch (Exception)
{
}
}
return(result);
}
override protected string GetCsvData(string computer)
{
bool isPortOpened = true;
bool SMBv1 = false;
bool SMBv2_0x0202 = false;
bool SMBv2_0x0210 = false;
bool SMBv2_0x0300 = false;
bool SMBv2_0x0302 = false;
bool SMBv2_0x0311 = false;
SMBSecurityModeEnum smbv1secmode = SMBSecurityModeEnum.NotTested;
SMBSecurityModeEnum smbv2secmode = SMBSecurityModeEnum.NotTested;
SMBSecurityModeEnum smbv2temp;
try
{
try
{
SMBv1 = Smb1Protocol.DoesServerSupportDialect(computer, "NT LM 0.12", out smbv1secmode);
}
catch (Smb1NotSupportedException)
{
}
try
{
SMBv2_0x0202 = Smb2Protocol.DoesServerSupportDialectWithSmbV2(computer, 0x0202, out smbv2secmode);
SMBv2_0x0210 = Smb2Protocol.DoesServerSupportDialectWithSmbV2(computer, 0x0210, out smbv2temp);
smbv2secmode = CombineSecurityMode(smbv2secmode, smbv2temp);
SMBv2_0x0300 = Smb2Protocol.DoesServerSupportDialectWithSmbV2(computer, 0x0300, out smbv2temp);
smbv2secmode = CombineSecurityMode(smbv2secmode, smbv2temp);
SMBv2_0x0302 = Smb2Protocol.DoesServerSupportDialectWithSmbV2(computer, 0x0302, out smbv2temp);
smbv2secmode = CombineSecurityMode(smbv2secmode, smbv2temp);
SMBv2_0x0311 = Smb2Protocol.DoesServerSupportDialectWithSmbV2(computer, 0x0311, out smbv2temp);
smbv2secmode = CombineSecurityMode(smbv2secmode, smbv2temp);
}
catch (Smb2NotSupportedException)
{
}
}
catch (SmbPortClosedException)
{
isPortOpened = false;
}
return(computer + "\t" + (isPortOpened ? "Yes" : "No") + "\t" + (SMBv1 ? "Yes" : "No")
+ "\t" + ((smbv1secmode & SMBSecurityModeEnum.SmbSigningRequired) != 0 ? "Yes" : "No")
+ "\t" + (SMBv2_0x0202 ? "Yes" : "No")
+ "\t" + (SMBv2_0x0210 ? "Yes" : "No")
+ "\t" + (SMBv2_0x0300 ? "Yes" : "No")
+ "\t" + (SMBv2_0x0302 ? "Yes" : "No")
+ "\t" + (SMBv2_0x0311 ? "Yes" : "No")
+ "\t" + ((smbv2secmode & SMBSecurityModeEnum.SmbSigningRequired) != 0 ? "Yes" : "No"));
}
public static bool DoesServerSupportDialectWithSmbV2(string server, int dialect, out SMBSecurityModeEnum securityMode)
{
Trace.WriteLine("Checking " + server + " for SMBV2 dialect 0x" + dialect.ToString("X2"));
securityMode = SMBSecurityModeEnum.NotTested;
TcpClient client = new TcpClient();
client.ReceiveTimeout = 500;
client.SendTimeout = 500;
try
{
client.Connect(server, 445);
}
catch (Exception)
{
throw new SmbPortClosedException(server);
}
try
{
NetworkStream stream = client.GetStream();
var smb2 = new Smb2Protocol(stream, server);
var negotiateresponse = smb2.SendNegotiateRequest(dialect);
if ((negotiateresponse.SecurityMode & 1) != 0)
{
securityMode = SMBSecurityModeEnum.SmbSigningEnabled;
if ((negotiateresponse.SecurityMode & 2) != 0)
{
securityMode |= SMBSecurityModeEnum.SmbSigningRequired;
}
}
else
{
securityMode = SMBSecurityModeEnum.None;
}
Trace.WriteLine("Checking " + server + " for SMBV2 dialect 0x" + dialect.ToString("X2") + " = Supported");
return(true);
}
catch (Exception)
{
throw new Smb2NotSupportedException(server);
}
}
public static List <Smb2Protocol.NetworkInfo> GetFCTL_QUERY_NETWORK_INFO(string server, NetworkCredential credential = null)
{
Trace.WriteLine("Checking " + server + " for GetFCTL_QUERY_NETWORK_INFO");
TcpClient client = new TcpClient();
client.ReceiveTimeout = 500;
client.SendTimeout = 500;
try
{
client.Connect(server, 445);
}
catch (Exception)
{
Trace.WriteLine("Error with " + server + "(port closed)");
return(null);
}
try
{
NetworkStream stream = client.GetStream();
var smb2 = new Smb2Protocol(stream, server);
smb2.SendNegotiateRequest(0x0302);
smb2.SendSessionSetupRequests(credential);
smb2.SendTreeConnect("\\\\" + server + "\\IPC$");
var o = smb2.GetNetworkInterfaceInfo();
client.Close();
return(o);
}
catch (Exception ex)
{
Trace.WriteLine("Error with " + server + "(" + ex.Message + ")");
return(null);
}
}