internal static SmbTransport GetSmbTransport(UniAddress address, int port
, IPAddress localAddr, int localPort, string hostName)
{
lock (typeof(SmbTransport))
{
SmbTransport conn;
lock (SmbConstants.Connections)
{
if (SmbConstants.SsnLimit != 1)
{
conn =
SmbConstants.Connections.FirstOrDefault(
c =>
c.Matches(address, port, localAddr, localPort, hostName) &&
(SmbConstants.SsnLimit ==
0 || c.Sessions.Count < SmbConstants.SsnLimit));
if (conn != null)
{
return conn;
}
}
conn = new SmbTransport(address, port, localAddr, localPort);
SmbConstants.Connections.Insert(0, conn);
}
return conn;
}
}
internal static SmbTransport GetSmbTransport(UniAddress address,
int port,
IPAddress localAddr,
int localPort,
string hostName)
{
lock (typeof(SmbTransport))
{
SmbTransport conn;
lock (SmbConstants.Connections)
{
if (SmbConstants.SsnLimit != 1)
{
conn = SmbConstants.Connections
.FirstOrDefault(c => c.Matches(address,
port,
localAddr,
localPort,
hostName) &&
(SmbConstants.SsnLimit == 0 ||
c.Sessions.Count < SmbConstants.SsnLimit));
if (conn != null)
{
return(conn);
}
}
conn = new SmbTransport(address, port, localAddr, localPort);
SmbConstants.Connections.Insert(0, conn);
}
return(conn);
}
}
/// <exception cref="SharpCifs.Smb.SmbAuthException"></exception>
public virtual DfsReferral GetReferral(SmbTransport trans, string domain, string
root, string path, NtlmPasswordAuthentication auth)
{
if (Disabled)
{
return(null);
}
try
{
string p = "\\" + domain + "\\" + root;
if (path != null)
{
p += path;
}
DfsReferral dr = trans.GetDfsReferrals(auth, p, 0);
if (dr != null)
{
return(dr);
}
}
catch (IOException ioe)
{
if (Log.Level >= 4)
{
Runtime.PrintStackTrace(ioe, Log);
}
if (StrictView && ioe is SmbAuthException)
{
throw (SmbAuthException)ioe;
}
}
return(null);
}
/// <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);
}
/// <exception cref="SharpCifs.Smb.SmbException"></exception>
public SigningDigest(SmbTransport transport, NtlmPasswordAuthentication auth)
{
try
{
_digest = MessageDigest.GetInstance("MD5");
}
catch (NoSuchAlgorithmException ex)
{
if (Log.Level > 0)
{
Runtime.PrintStackTrace(ex, Log);
}
throw new SmbException("MD5", ex);
}
try
{
switch (SmbConstants.LmCompatibility)
{
case 0:
case 1:
case 2:
{
_macSigningKey = new byte[40];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
Array.Copy(auth.GetUnicodeHash(transport.Server.EncryptionKey), 0, _macSigningKey
, 16, 24);
break;
}
case 3:
case 4:
case 5:
{
_macSigningKey = new byte[16];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
break;
}
default:
{
_macSigningKey = new byte[40];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
Array.Copy(auth.GetUnicodeHash(transport.Server.EncryptionKey), 0, _macSigningKey
, 16, 24);
break;
}
}
}
catch (Exception ex)
{
throw new SmbException(string.Empty, ex);
}
if (Log.Level >= 5)
{
Log.WriteLine("LM_COMPATIBILITY=" + SmbConstants.LmCompatibility);
Hexdump.ToHexdump(Log, _macSigningKey, 0, _macSigningKey.Length);
}
}
/// <exception cref="SharpCifs.Smb.SmbException"></exception>
public SigningDigest(SmbTransport transport, NtlmPasswordAuthentication auth)
{
try
{
_digest = MessageDigest.GetInstance("MD5");
}
catch (NoSuchAlgorithmException ex)
{
if (Log.Level > 0)
{
Runtime.PrintStackTrace(ex, Log);
}
throw new SmbException("MD5", ex);
}
try
{
switch (SmbConstants.LmCompatibility)
{
case 0:
case 1:
case 2:
{
_macSigningKey = new byte[40];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
Array.Copy(auth.GetUnicodeHash(transport.Server.EncryptionKey), 0, _macSigningKey
, 16, 24);
break;
}
case 3:
case 4:
case 5:
{
_macSigningKey = new byte[16];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
break;
}
default:
{
_macSigningKey = new byte[40];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
Array.Copy(auth.GetUnicodeHash(transport.Server.EncryptionKey), 0, _macSigningKey
, 16, 24);
break;
}
}
}
catch (Exception ex)
{
throw new SmbException(string.Empty, ex);
}
if (Log.Level >= 5)
{
Log.WriteLine("LM_COMPATIBILITY=" + SmbConstants.LmCompatibility);
Hexdump.ToHexdump(Log, _macSigningKey, 0, _macSigningKey.Length);
}
}
internal SmbTransport Transport()
{
lock (this)
{
if (transport == null)
{
transport = SmbTransport.GetSmbTransport(_address, _port, _localAddr, _localPort, null
);
}
return(transport);
}
}
/// <exception cref="SharpCifs.Smb.SmbAuthException"></exception>
public virtual Hashtable GetTrustedDomains(NtlmPasswordAuthentication auth)
{
if (Disabled || auth.Domain == "?")
{
return(null);
}
if (Domains != null && Runtime.CurrentTimeMillis() > Domains.Expiration)
{
Domains = null;
}
if (Domains != null)
{
return(Domains.Map);
}
try
{
UniAddress addr = UniAddress.GetByName(auth.Domain, true);
SmbTransport trans = SmbTransport.GetSmbTransport(addr, 0);
CacheEntry entry = new CacheEntry(Ttl * 10L);
DfsReferral dr = trans.GetDfsReferrals(auth, string.Empty, 0);
if (dr != null)
{
DfsReferral start = dr;
do
{
string domain = dr.Server.ToLower();
entry.Map.Put(domain, new Hashtable());
dr = dr.Next;
}while (dr != start);
Domains = entry;
return(Domains.Map);
}
}
catch (IOException ioe)
{
if (Log.Level >= 3)
{
Runtime.PrintStackTrace(ioe, Log);
}
if (StrictView && ioe is SmbAuthException)
{
throw (SmbAuthException)ioe;
}
}
return(null);
}
/// <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);
}
}
/// <exception cref="SharpCifs.Smb.SmbAuthException"></exception>
public virtual SmbTransport GetDc(string domain, NtlmPasswordAuthentication auth)
{
if (Disabled)
{
return(null);
}
try
{
UniAddress addr = UniAddress.GetByName(domain, true);
SmbTransport trans = SmbTransport.GetSmbTransport(addr, 0);
DfsReferral dr = trans.GetDfsReferrals(auth, "\\" + domain, 1);
if (dr != null)
{
DfsReferral start = dr;
IOException e = null;
do
{
try
{
addr = UniAddress.GetByName(dr.Server);
return(SmbTransport.GetSmbTransport(addr, 0));
}
catch (IOException ioe)
{
e = ioe;
}
dr = dr.Next;
}while (dr != start);
throw e;
}
}
catch (IOException ioe)
{
if (Log.Level >= 3)
{
Runtime.PrintStackTrace(ioe, Log);
}
if (StrictView && ioe is SmbAuthException)
{
throw (SmbAuthException)ioe;
}
}
return(null);
}
/// <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));
}
internal ServerData(SmbTransport enclosing)
{
this._enclosing = enclosing;
}
/// <exception cref="SharpCifs.Smb.SmbAuthException"></exception>
public virtual DfsReferral Resolve(string domain,
string root,
string path,
NtlmPasswordAuthentication auth)
{
lock (this)
{
DfsReferral dr = null;
long now = Runtime.CurrentTimeMillis();
if (Disabled || root.Equals("IPC$"))
{
return(null);
}
Hashtable domains = GetTrustedDomains(auth);
if (domains != null)
{
domain = domain.ToLower();
Hashtable roots = (Hashtable)domains.Get(domain);
if (roots != null)
{
SmbTransport trans = null;
root = root.ToLower();
CacheEntry links = (CacheEntry)roots.Get(root);
if (links != null && now > links.Expiration)
{
//Sharpen.Collections.Remove(roots, root);
roots.Remove(root);
links = null;
}
if (links == null)
{
if ((trans = GetDc(domain, auth)) == null)
{
return(null);
}
dr = GetReferral(trans, domain, root, path, auth);
if (dr != null)
{
int len = 1 + domain.Length + 1 + root.Length;
links = new CacheEntry(0L);
DfsReferral tmp = dr;
do
{
if (path == null)
{
// TODO: fix this
//tmp.map = links.map;
tmp.Key = "\\";
}
tmp.PathConsumed -= len;
tmp = tmp.Next;
}while (tmp != dr);
if (dr.Key != null)
{
links.Map.Put(dr.Key, dr);
}
roots.Put(root, links);
}
else
{
if (path == null)
{
roots.Put(root, FalseEntry);
}
}
}
else
{
if (links == FalseEntry)
{
links = null;
}
}
if (links != null)
{
string link = "\\";
dr = (DfsReferral)links.Map.Get(link);
if (dr != null && now > dr.Expiration)
{
//Sharpen.Collections.Remove(links.map, link);
links.Map.Remove(link);
dr = null;
}
if (dr == null)
{
if (trans == null)
{
if ((trans = GetDc(domain, auth)) == null)
{
return(null);
}
}
dr = GetReferral(trans, domain, root, path, auth);
if (dr != null)
{
dr.PathConsumed -= 1 + domain.Length + 1 + root.Length;
dr.Link = link;
links.Map.Put(link, dr);
}
}
}
}
}
if (dr == null && path != null)
{
if (Referrals != null && now > Referrals.Expiration)
{
Referrals = null;
}
if (Referrals == null)
{
Referrals = new CacheEntry(0);
}
string key = "\\" + domain + "\\" + root;
if (path.Equals("\\") == false)
{
key += path;
}
key = key.ToLower();
//ListIterator<object> iter = new ListIterator<object>(referrals.map.Keys.GetEnumerator(), 0);
foreach (var current in Referrals.Map.Keys)
{
string _key = (string)current;
int klen = _key.Length;
bool match = false;
if (klen == key.Length)
{
match = _key.Equals(key);
}
else
{
if (klen < key.Length)
{
match = _key.RegionMatches(false, 0, key, 0, klen) && key[klen] == '\\';
}
}
if (match)
{
dr = (DfsReferral)Referrals.Map.Get(_key);
}
}
}
return(dr);
}
}
internal SmbComNegotiateResponse(SmbTransport.ServerData server)
{
this.Server = server;
}
internal ServerData(SmbTransport enclosing)
{
this._enclosing = enclosing;
}
internal SmbTransport Transport()
{
lock (this)
{
if (transport == null)
{
transport = SmbTransport.GetSmbTransport(_address, _port, _localAddr, _localPort, null
);
}
return transport;
}
}
/// <exception cref="SharpCifs.Smb.SmbAuthException"></exception>
public virtual DfsReferral GetReferral(SmbTransport trans, string domain, string
root, string path, NtlmPasswordAuthentication auth)
{
if (Disabled)
{
return null;
}
try
{
string p = "\\" + domain + "\\" + root;
if (path != null)
{
p += path;
}
DfsReferral dr = trans.GetDfsReferrals(auth, p, 0);
if (dr != null)
{
return dr;
}
}
catch (IOException ioe)
{
if (Log.Level >= 4)
{
Runtime.PrintStackTrace(ioe, Log);
}
if (StrictView && ioe is SmbAuthException)
{
throw (SmbAuthException)ioe;
}
}
return null;
}
/// <summary>
/// Clear All Cached Transport-Connections
/// </summary>
/// <remarks>
/// Alias of SmbTransport.ClearCachedConnections
/// </remarks>
public static void ClearCachedConnections()
{
SmbTransport.ClearCachedConnections();
}
