/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
internal virtual void CheckStatus(ServerMessageBlock req, ServerMessageBlock resp
)
{
resp.ErrorCode = SmbException.GetStatusByCode(resp.ErrorCode);
switch (resp.ErrorCode)
{
case NtStatus.NtStatusOk:
{
break;
}
case NtStatus.NtStatusAccessDenied:
case NtStatus.NtStatusWrongPassword:
case NtStatus.NtStatusLogonFailure:
case NtStatus.NtStatusAccountRestriction:
case NtStatus.NtStatusInvalidLogonHours:
case NtStatus.NtStatusInvalidWorkstation:
case NtStatus.NtStatusPasswordExpired:
case NtStatus.NtStatusAccountDisabled:
case NtStatus.NtStatusAccountLockedOut:
case NtStatus.NtStatusTrustedDomainFailure:
{
throw new SmbAuthException(resp.ErrorCode);
}
case NtStatus.NtStatusPathNotCovered:
{
if (req.Auth == null)
{
throw new SmbException(resp.ErrorCode, null);
}
DfsReferral dr = GetDfsReferrals(req.Auth, req.Path, 1);
if (dr == null)
{
throw new SmbException(resp.ErrorCode, null);
}
SmbFile.Dfs.Insert(req.Path, dr);
throw dr;
}
case unchecked ((int)(0x80000005)):
{
break;
}
case NtStatus.NtStatusMoreProcessingRequired:
{
break;
}
default:
{
throw new SmbException(resp.ErrorCode, null);
}
}
if (resp.VerifyFailed)
{
throw new SmbException("Signature verification failed.");
}
}
protected internal virtual IOException SeToIoe(SmbException se)
{
IOException ioe = se;
Exception root = se.GetRootCause();
if (root is TransportException)
{
ioe = (TransportException)root;
root = ((TransportException)ioe).GetRootCause();
}
if (root is Exception)
{
ioe = new IOException(root.Message);
ioe.InitCause(root);
}
return(ioe);
}
public override string ToString()
{
string c;
switch (Command)
{
case SmbComNegotiate:
{
c = "SMB_COM_NEGOTIATE";
break;
}
case SmbComSessionSetupAndx:
{
c = "SMB_COM_SESSION_SETUP_ANDX";
break;
}
case SmbComTreeConnectAndx:
{
c = "SMB_COM_TREE_CONNECT_ANDX";
break;
}
case SmbComQueryInformation:
{
c = "SMB_COM_QUERY_INFORMATION";
break;
}
case SmbComCheckDirectory:
{
c = "SMB_COM_CHECK_DIRECTORY";
break;
}
case SmbComTransaction:
{
c = "SMB_COM_TRANSACTION";
break;
}
case SmbComTransaction2:
{
c = "SMB_COM_TRANSACTION2";
break;
}
case SmbComTransactionSecondary:
{
c = "SMB_COM_TRANSACTION_SECONDARY";
break;
}
case SmbComFindClose2:
{
c = "SMB_COM_FIND_CLOSE2";
break;
}
case SmbComTreeDisconnect:
{
c = "SMB_COM_TREE_DISCONNECT";
break;
}
case SmbComLogoffAndx:
{
c = "SMB_COM_LOGOFF_ANDX";
break;
}
case SmbComEcho:
{
c = "SMB_COM_ECHO";
break;
}
case SmbComMove:
{
c = "SMB_COM_MOVE";
break;
}
case SmbComRename:
{
c = "SMB_COM_RENAME";
break;
}
case SmbComDelete:
{
c = "SMB_COM_DELETE";
break;
}
case SmbComDeleteDirectory:
{
c = "SMB_COM_DELETE_DIRECTORY";
break;
}
case SmbComNtCreateAndx:
{
c = "SMB_COM_NT_CREATE_ANDX";
break;
}
case SmbComOpenAndx:
{
c = "SMB_COM_OPEN_ANDX";
break;
}
case SmbComReadAndx:
{
c = "SMB_COM_READ_ANDX";
break;
}
case SmbComClose:
{
c = "SMB_COM_CLOSE";
break;
}
case SmbComWriteAndx:
{
c = "SMB_COM_WRITE_ANDX";
break;
}
case SmbComCreateDirectory:
{
c = "SMB_COM_CREATE_DIRECTORY";
break;
}
case SmbComNtTransact:
{
c = "SMB_COM_NT_TRANSACT";
break;
}
case SmbComNtTransactSecondary:
{
c = "SMB_COM_NT_TRANSACT_SECONDARY";
break;
}
default:
{
c = "UNKNOWN";
break;
}
}
string str = ErrorCode == 0 ? "0" : SmbException.GetMessageByCode(ErrorCode);
return("command=" + c + ",received=" + Received + ",errorCode=" + str
+ ",flags=0x" + Hexdump.ToHexString(Flags & 0xFF, 4) + ",flags2=0x"
+ Hexdump.ToHexString(Flags2, 4) + ",signSeq=" + SignSeq + ",tid=" + Tid + ",pid="
+ Pid + ",uid=" + Uid + ",mid=" + Mid + ",wordCount=" + WordCount + ",byteCount="
+ ByteCount);
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
internal void SessionSetup(ServerMessageBlock andx, ServerMessageBlock andxResponse
)
{
lock (Transport())
{
NtlmContext nctx = null;
SmbException ex = null;
SmbComSessionSetupAndX request;
SmbComSessionSetupAndXResponse response;
byte[] token = new byte[0];
int state = 10;
while (ConnectionState != 0)
{
if (ConnectionState == 2 || ConnectionState == 3)
{
// connected or disconnecting
return;
}
try
{
Runtime.Wait(transport);
}
catch (Exception ie)
{
throw new SmbException(ie.Message, ie);
}
}
ConnectionState = 1;
// trying ...
try
{
transport.Connect();
if (transport.Log.Level >= 4)
{
transport.Log.WriteLine("sessionSetup: accountName=" + Auth.Username + ",primaryDomain="
+ Auth.Domain);
}
Uid = 0;
do
{
switch (state)
{
case 10:
{
if (Auth != NtlmPasswordAuthentication.Anonymous && transport.HasCapability(SmbConstants
.CapExtendedSecurity))
{
state = 20;
break;
}
request = new SmbComSessionSetupAndX(this, andx, Auth);
response = new SmbComSessionSetupAndXResponse(andxResponse);
if (transport.IsSignatureSetupRequired(Auth))
{
if (Auth.HashesExternal && NtlmPasswordAuthentication.DefaultPassword != NtlmPasswordAuthentication
.Blank)
{
transport.GetSmbSession(NtlmPasswordAuthentication.Default).GetSmbTree(LogonShare
, null).TreeConnect(null, null);
}
else
{
byte[] signingKey = Auth.GetSigningKey(transport.Server.EncryptionKey);
request.Digest = new SigningDigest(signingKey, false);
}
}
request.Auth = Auth;
try
{
transport.Send(request, response);
}
catch (SmbAuthException)
{
throw;
}
catch (SmbException se)
{
ex = se;
}
if (response.IsLoggedInAsGuest && Runtime.EqualsIgnoreCase("GUEST", Auth.
Username) == false && transport.Server.Security != SmbConstants.SecurityShare &&
Auth != NtlmPasswordAuthentication.Anonymous)
{
throw new SmbAuthException(NtStatus.NtStatusLogonFailure);
}
if (ex != null)
{
throw ex;
}
Uid = response.Uid;
if (request.Digest != null)
{
transport.Digest = request.Digest;
}
ConnectionState = 2;
state = 0;
break;
}
case 20:
{
if (nctx == null)
{
bool doSigning = (transport.Flags2 & SmbConstants.Flags2SecuritySignatures
) != 0;
nctx = new NtlmContext(Auth, doSigning);
}
if (SmbTransport.LogStatic.Level >= 4)
{
SmbTransport.LogStatic.WriteLine(nctx);
}
if (nctx.IsEstablished())
{
NetbiosName = nctx.GetNetbiosName();
ConnectionState = 2;
state = 0;
break;
}
try
{
token = nctx.InitSecContext(token, 0, token.Length);
}
catch (SmbException)
{
try
{
transport.Disconnect(true);
}
catch (IOException)
{
}
Uid = 0;
throw;
}
if (token != null)
{
request = new SmbComSessionSetupAndX(this, null, token);
response = new SmbComSessionSetupAndXResponse(null);
if (transport.IsSignatureSetupRequired(Auth))
{
byte[] signingKey = nctx.GetSigningKey();
if (signingKey != null)
{
request.Digest = new SigningDigest(signingKey, true);
}
}
request.Uid = Uid;
Uid = 0;
try
{
transport.Send(request, response);
}
catch (SmbAuthException)
{
throw;
}
catch (SmbException se)
{
ex = se;
try
{
transport.Disconnect(true);
}
catch (Exception)
{
}
}
if (response.IsLoggedInAsGuest && Runtime.EqualsIgnoreCase("GUEST", Auth.
Username) == false)
{
throw new SmbAuthException(NtStatus.NtStatusLogonFailure);
}
if (ex != null)
{
throw ex;
}
Uid = response.Uid;
if (request.Digest != null)
{
transport.Digest = request.Digest;
}
token = response.Blob;
}
break;
}
default:
{
throw new SmbException("Unexpected session setup state: " + state);
}
}
}while (state != 0);
}
catch (SmbException)
{
Logoff(true);
ConnectionState = 0;
throw;
}
finally
{
Runtime.NotifyAll(transport);
}
}
}
