internal virtual SmbSession GetSmbSession(NtlmPasswordAuthentication auth)
{
lock (this)
{
SmbSession ssn;
long now;
ssn = Sessions.FirstOrDefault(s => s.Matches(auth));
if (ssn != null)
{
ssn.Auth = auth;
return(ssn);
}
if (SmbConstants.SoTimeout > 0 && SessionExpiration < (now = Runtime.CurrentTimeMillis()))
{
SessionExpiration = now + SmbConstants.SoTimeout;
foreach (var session in Sessions.Where(s => s.Expiration < now))
{
session.Logoff(false);
}
}
ssn = new SmbSession(Address, Port, LocalAddr, LocalPort, auth);
ssn.transport = this;
Sessions.Add(ssn);
return(ssn);
}
}
internal SmbComTreeConnectAndX(SmbSession session, string path, string service, ServerMessageBlock
andx) : base(andx)
{
this._session = session;
this.path = path;
this._service = service;
Command = SmbComTreeConnectAndx;
}
internal SmbTree(SmbSession session, string share, string service)
{
// used by SmbFile.isOpen
this.Session = session;
this.Share = share.ToUpper();
if (service != null && service.StartsWith("??") == false)
{
this.Service = service;
}
Service0 = this.Service;
ConnectionState = 0;
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
private static NtlmChallenge Interrogate(NbtAddress addr)
{
UniAddress dc = new UniAddress(addr);
SmbTransport trans = SmbTransport.GetSmbTransport(dc, 0);
if (Username == null)
{
trans.Connect();
if (SmbTransport.LogStatic.Level >= 3)
{
SmbTransport.LogStatic.WriteLine("Default credentials (jcifs.smb.client.username/password)"
+ " not specified. SMB signing may not work propertly." + " Skipping DC interrogation."
);
}
}
else
{
SmbSession ssn = trans.GetSmbSession(NtlmPasswordAuthentication.Default
);
ssn.GetSmbTree(LogonShare, null).TreeConnect(null, null);
}
return(new NtlmChallenge(trans.Server.EncryptionKey, dc));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
internal SmbComSessionSetupAndX(SmbSession session, ServerMessageBlock andx, object
cred) : base(andx)
{
Command = SmbComSessionSetupAndx;
this.Session = session;
this.Cred = cred;
_sessionKey = session.transport.SessionKey;
_capabilities = session.transport.Capabilities;
if (session.transport.Server.Security == SmbConstants.SecurityUser)
{
if (cred is NtlmPasswordAuthentication)
{
NtlmPasswordAuthentication auth = (NtlmPasswordAuthentication)cred;
if (auth == NtlmPasswordAuthentication.Anonymous)
{
_lmHash = new byte[0];
_ntHash = new byte[0];
_capabilities &= ~SmbConstants.CapExtendedSecurity;
}
else
{
if (session.transport.Server.EncryptedPasswords)
{
_lmHash = auth.GetAnsiHash(session.transport.Server.EncryptionKey);
_ntHash = auth.GetUnicodeHash(session.transport.Server.EncryptionKey);
// prohibit HTTP auth attempts for the null session
if (_lmHash.Length == 0 && _ntHash.Length == 0)
{
throw new RuntimeException("Null setup prohibited.");
}
}
else
{
if (DisablePlainTextPasswords)
{
throw new RuntimeException("Plain text passwords are disabled");
}
if (UseUnicode)
{
// plain text
string password = auth.GetPassword();
_lmHash = new byte[0];
_ntHash = new byte[(password.Length + 1) * 2];
WriteString(password, _ntHash, 0);
}
else
{
// plain text
string password = auth.GetPassword();
_lmHash = new byte[(password.Length + 1) * 2];
_ntHash = new byte[0];
WriteString(password, _lmHash, 0);
}
}
}
_accountName = auth.Username;
if (UseUnicode)
{
_accountName = _accountName.ToUpper();
}
_primaryDomain = auth.Domain.ToUpper();
}
else
{
if (cred is byte[])
{
_blob = (byte[])cred;
}
else
{
throw new SmbException("Unsupported credential type");
}
}
}
else
{
if (session.transport.Server.Security == SmbConstants.SecurityShare)
{
if (cred is NtlmPasswordAuthentication)
{
NtlmPasswordAuthentication auth = (NtlmPasswordAuthentication)cred;
_lmHash = new byte[0];
_ntHash = new byte[0];
_accountName = auth.Username;
if (UseUnicode)
{
_accountName = _accountName.ToUpper();
}
_primaryDomain = auth.Domain.ToUpper();
}
else
{
throw new SmbException("Unsupported credential type");
}
}
else
{
throw new SmbException("Unsupported");
}
}
}