diff options
Diffstat (limited to 'Emby.Server.Implementations/IO/SharpCifs/Smb/SmbSession.cs')
| -rw-r--r-- | Emby.Server.Implementations/IO/SharpCifs/Smb/SmbSession.cs | 570 |
1 files changed, 0 insertions, 570 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbSession.cs b/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbSession.cs deleted file mode 100644 index 6dc5087d0..000000000 --- a/Emby.Server.Implementations/IO/SharpCifs/Smb/SmbSession.cs +++ /dev/null @@ -1,570 +0,0 @@ -// This code is derived from jcifs smb client library <jcifs at samba dot org> -// Ported by J. Arturo <webmaster at komodosoft dot net> -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -using System; -using System.Collections.Generic; -using System.IO; -using System.Net; -using SharpCifs.Netbios; -using SharpCifs.Util.Sharpen; - -namespace SharpCifs.Smb -{ - public sealed class SmbSession - { - private static readonly string LogonShare = Config.GetProperty("jcifs.smb.client.logonShare" - , null); - - private static readonly int LookupRespLimit = Config.GetInt("jcifs.netbios.lookupRespLimit" - , 3); - - private static readonly string Domain = Config.GetProperty("jcifs.smb.client.domain" - , null); - - private static readonly string Username = Config.GetProperty("jcifs.smb.client.username" - , null); - - private static readonly int CachePolicy = Config.GetInt("jcifs.netbios.cachePolicy" - , 60 * 10) * 60; - - internal static NbtAddress[] DcList; - - internal static long DcListExpiration; - - internal static int DcListCounter; - - /// <exception cref="SharpCifs.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="SharpCifs.Smb.SmbException"></exception> - /// <exception cref="UnknownHostException"></exception> - public static NtlmChallenge GetChallengeForDomain() - { - if (Domain == null) - { - throw new SmbException("A domain was not specified"); - } - lock (Domain) - { - long now = Runtime.CurrentTimeMillis(); - int retry = 1; - do - { - if (DcListExpiration < now) - { - NbtAddress[] list = NbtAddress.GetAllByName(Domain, 0x1C, null, - null); - DcListExpiration = now + CachePolicy * 1000L; - if (list != null && list.Length > 0) - { - DcList = list; - } - else - { - DcListExpiration = now + 1000 * 60 * 15; - if (SmbTransport.LogStatic.Level >= 2) - { - SmbTransport.LogStatic.WriteLine("Failed to retrieve DC list from WINS"); - } - } - } - int max = Math.Min(DcList.Length, LookupRespLimit); - for (int j = 0; j < max; j++) - { - int i = DcListCounter++ % max; - if (DcList[i] != null) - { - try - { - return Interrogate(DcList[i]); - } - catch (SmbException se) - { - if (SmbTransport.LogStatic.Level >= 2) - { - SmbTransport.LogStatic.WriteLine("Failed validate DC: " + DcList[i]); - if (SmbTransport.LogStatic.Level > 2) - { - Runtime.PrintStackTrace(se, SmbTransport.LogStatic); - } - } - } - DcList[i] = null; - } - } - DcListExpiration = 0; - } - while (retry-- > 0); - DcListExpiration = now + 1000 * 60 * 15; - } - throw new UnknownHostException("Failed to negotiate with a suitable domain controller for " - + Domain); - } - - /// <exception cref="SharpCifs.Smb.SmbException"></exception> - /// <exception cref="UnknownHostException"></exception> - public static byte[] GetChallenge(UniAddress dc) - { - return GetChallenge(dc, 0); - } - - /// <exception cref="SharpCifs.Smb.SmbException"></exception> - /// <exception cref="UnknownHostException"></exception> - public static byte[] GetChallenge(UniAddress dc, int port) - { - SmbTransport trans = SmbTransport.GetSmbTransport(dc, port); - trans.Connect(); - return trans.Server.EncryptionKey; - } - - /// <summary> - /// Authenticate arbitrary credentials represented by the - /// <tt>NtlmPasswordAuthentication</tt> object against the domain controller - /// specified by the <tt>UniAddress</tt> parameter. - /// </summary> - /// <remarks> - /// Authenticate arbitrary credentials represented by the - /// <tt>NtlmPasswordAuthentication</tt> object against the domain controller - /// specified by the <tt>UniAddress</tt> parameter. If the credentials are - /// not accepted, an <tt>SmbAuthException</tt> will be thrown. If an error - /// occurs an <tt>SmbException</tt> will be thrown. If the credentials are - /// valid, the method will return without throwing an exception. See the - /// last <a href="../../../faq.html">FAQ</a> question. - /// <p> - /// See also the <tt>jcifs.smb.client.logonShare</tt> property. - /// </remarks> - /// <exception cref="SmbException"></exception> - public static void Logon(UniAddress dc, NtlmPasswordAuthentication auth) - { - Logon(dc, -1, auth); - } - - /// <exception cref="SharpCifs.Smb.SmbException"></exception> - public static void Logon(UniAddress dc, int port, NtlmPasswordAuthentication auth - ) - { - SmbTree tree = SmbTransport.GetSmbTransport(dc, port).GetSmbSession(auth).GetSmbTree - (LogonShare, null); - if (LogonShare == null) - { - tree.TreeConnect(null, null); - } - else - { - Trans2FindFirst2 req = new Trans2FindFirst2("\\", "*", SmbFile.AttrDirectory); - Trans2FindFirst2Response resp = new Trans2FindFirst2Response(); - tree.Send(req, resp); - } - } - - internal int ConnectionState; - - internal int Uid; - - internal List<object> Trees; - - private UniAddress _address; - - private int _port; - - private int _localPort; - - private IPAddress _localAddr; - - internal SmbTransport transport; - - internal NtlmPasswordAuthentication Auth; - - internal long Expiration; - - internal string NetbiosName; - - internal SmbSession(UniAddress address, int port, IPAddress localAddr, int localPort - , NtlmPasswordAuthentication auth) - { - // Transport parameters allows trans to be removed from CONNECTIONS - this._address = address; - this._port = port; - this._localAddr = localAddr; - this._localPort = localPort; - this.Auth = auth; - Trees = new List<object>(); - ConnectionState = 0; - } - - internal SmbTree GetSmbTree(string share, string service) - { - lock (this) - { - SmbTree t; - if (share == null) - { - share = "IPC$"; - } - /*for (IEnumeration e = trees.GetEnumerator(); e.MoveNext(); ) - { - t = (SmbTree)e.Current; - if (t.Matches(share, service)) - { - return t; - } - }*/ - foreach (var e in Trees) - { - t = (SmbTree)e; - if (t.Matches(share, service)) - { - return t; - } - } - - t = new SmbTree(this, share, service); - Trees.Add(t); - return t; - } - } - - internal bool Matches(NtlmPasswordAuthentication auth) - { - return this.Auth == auth || this.Auth.Equals(auth); - } - - internal SmbTransport Transport() - { - lock (this) - { - if (transport == null) - { - transport = SmbTransport.GetSmbTransport(_address, _port, _localAddr, _localPort, null - ); - } - return transport; - } - } - - /// <exception cref="SharpCifs.Smb.SmbException"></exception> - internal void Send(ServerMessageBlock request, ServerMessageBlock response) - { - lock (Transport()) - { - if (response != null) - { - response.Received = false; - } - Expiration = Runtime.CurrentTimeMillis() + SmbConstants.SoTimeout; - SessionSetup(request, response); - if (response != null && response.Received) - { - return; - } - if (request is SmbComTreeConnectAndX) - { - SmbComTreeConnectAndX tcax = (SmbComTreeConnectAndX)request; - if (NetbiosName != null && tcax.path.EndsWith("\\IPC$")) - { - tcax.path = "\\\\" + NetbiosName + "\\IPC$"; - } - } - request.Uid = Uid; - request.Auth = Auth; - try - { - transport.Send(request, response); - } - catch (SmbException se) - { - if (request is SmbComTreeConnectAndX) - { - Logoff(true); - } - request.Digest = null; - throw; - } - } - } - - /// <exception cref="SharpCifs.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 sae) - { - 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 se) - { - 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 sae) - { - 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 se) - { - Logoff(true); - ConnectionState = 0; - throw; - } - finally - { - Runtime.NotifyAll(transport); - } - } - } - - internal void Logoff(bool inError) - { - lock (Transport()) - { - if (ConnectionState != 2) - { - // not-connected - return; - } - ConnectionState = 3; - // disconnecting - NetbiosName = null; - - foreach (SmbTree t in Trees) - { - t.TreeDisconnect(inError); - } - - if (!inError && transport.Server.Security != SmbConstants.SecurityShare) - { - SmbComLogoffAndX request = new SmbComLogoffAndX(null); - request.Uid = Uid; - try - { - transport.Send(request, null); - } - catch (SmbException) - { - } - Uid = 0; - } - ConnectionState = 0; - Runtime.NotifyAll(transport); - } - } - - public override string ToString() - { - return "SmbSession[accountName=" + Auth.Username + ",primaryDomain=" + Auth.Domain - + ",uid=" + Uid + ",connectionState=" + ConnectionState + "]"; - } - } -} |