internal override void GetData(Buffer buf)
{
SetRecipient(buf.GetInt());
SetRemoteWindowSize(buf.GetUInt());
SetRemotePacketSize(buf.GetInt());
byte[] addr = buf.GetString();
int port = buf.GetInt();
byte[] orgaddr = buf.GetString();
int orgport = buf.GetInt();
Session _session = null;
try
{
_session = GetSession();
}
catch (JSchException)
{
}
// session has been already down.
lock (pool)
{
for (int i = 0; i < pool.Count; i++)
{
object[] foo = (object[])(pool[i]);
if (foo[0] != _session)
{
continue;
}
if (((int)foo[1]) != port)
{
continue;
}
this.rport = port;
this.target = (string)foo[2];
if (foo[3] == null || (foo[3] is object[]))
{
this.lport = -1;
}
else
{
this.lport = ((int)foo[3]);
}
if (foo.Length >= 6)
{
this.factory = ((SocketFactory)foo[5]);
}
break;
}
if (target == null)
{
}
}
}
internal static NSch.SftpATTRS GetATTR(Buffer buf)
{
NSch.SftpATTRS attr = new NSch.SftpATTRS();
attr.flags = buf.GetInt();
if ((attr.flags & SSH_FILEXFER_ATTR_SIZE) != 0)
{
attr.size = buf.GetLong();
}
if ((attr.flags & SSH_FILEXFER_ATTR_UIDGID) != 0)
{
attr.uid = buf.GetInt();
attr.gid = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_PERMISSIONS) != 0)
{
attr.permissions = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0)
{
attr.atime = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0)
{
attr.mtime = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_EXTENDED) != 0)
{
int count = buf.GetInt();
if (count > 0)
{
attr.extended = new string[count * 2];
for (int i = 0; i < count; i++)
{
attr.extended[i * 2] = Util.Byte2str(buf.GetString());
attr.extended[i * 2 + 1] = Util.Byte2str(buf.GetString());
}
}
}
return(attr);
}
/// <exception cref="NSch.JSchException"></exception>
public static NSch.KeyPair Load(JSch jsch, string prvkey, string pubkey)
{
byte[] iv = new byte[8];
// 8
bool encrypted = true;
byte[] data = null;
byte[] publickeyblob = null;
int type = ERROR;
int vendor = VENDOR_OPENSSH;
string publicKeyComment = string.Empty;
NSch.Cipher cipher = null;
try
{
FilePath file = new FilePath(prvkey);
FileInputStream fis = new FileInputStream(prvkey);
byte[] buf = new byte[(int)(file.Length())];
int len = 0;
while (true)
{
int i = fis.Read(buf, len, buf.Length - len);
if (i <= 0)
{
break;
}
len += i;
}
fis.Close();
int i_1 = 0;
while (i_1 < len)
{
if (buf[i_1] == '-' && i_1 + 4 < len && buf[i_1 + 1] == '-' && buf[i_1 + 2] == '-' &&
buf[i_1 + 3] == '-' && buf[i_1 + 4] == '-')
{
break;
}
i_1++;
}
while (i_1 < len)
{
if (buf[i_1] == 'B' && i_1 + 3 < len && buf[i_1 + 1] == 'E' && buf[i_1 + 2] == 'G' &&
buf[i_1 + 3] == 'I')
{
i_1 += 6;
if (buf[i_1] == 'D' && buf[i_1 + 1] == 'S' && buf[i_1 + 2] == 'A')
{
type = DSA;
}
else
{
if (buf[i_1] == 'R' && buf[i_1 + 1] == 'S' && buf[i_1 + 2] == 'A')
{
type = RSA;
}
else
{
if (buf[i_1] == 'S' && buf[i_1 + 1] == 'S' && buf[i_1 + 2] == 'H')
{
// FSecure
type = UNKNOWN;
vendor = VENDOR_FSECURE;
}
else
{
throw new JSchException("invalid privatekey: " + prvkey);
}
}
}
i_1 += 3;
continue;
}
if (buf[i_1] == 'A' && i_1 + 7 < len && buf[i_1 + 1] == 'E' && buf[i_1 + 2] == 'S' &&
buf[i_1 + 3] == '-' && buf[i_1 + 4] == '2' && buf[i_1 + 5] == '5' && buf[i_1
+ 6] == '6' && buf[i_1 + 7] == '-')
{
i_1 += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes256-cbc")))
{
Type c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes256-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
// key=new byte[cipher.getBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes256-cbc is not available " + prvkey);
}
continue;
}
if (buf[i_1] == 'A' && i_1 + 7 < len && buf[i_1 + 1] == 'E' && buf[i_1 + 2] == 'S' &&
buf[i_1 + 3] == '-' && buf[i_1 + 4] == '1' && buf[i_1 + 5] == '9' && buf[i_1
+ 6] == '2' && buf[i_1 + 7] == '-')
{
i_1 += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes192-cbc")))
{
Type c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes192-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
// key=new byte[cipher.getBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes192-cbc is not available " + prvkey);
}
continue;
}
if (buf[i_1] == 'A' && i_1 + 7 < len && buf[i_1 + 1] == 'E' && buf[i_1 + 2] == 'S' &&
buf[i_1 + 3] == '-' && buf[i_1 + 4] == '1' && buf[i_1 + 5] == '2' && buf[i_1
+ 6] == '8' && buf[i_1 + 7] == '-')
{
i_1 += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes128-cbc")))
{
Type c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes128-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
// key=new byte[cipher.getBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes128-cbc is not available " + prvkey);
}
continue;
}
if (buf[i_1] == 'C' && i_1 + 3 < len && buf[i_1 + 1] == 'B' && buf[i_1 + 2] == 'C' &&
buf[i_1 + 3] == ',')
{
i_1 += 4;
for (int ii = 0; ii < iv.Length; ii++)
{
iv[ii] = unchecked ((byte)(((A2b(buf[i_1++]) << 4) & unchecked ((int)(0xf0))) + (A2b
(buf[i_1++]) & unchecked ((int)(0xf)))));
}
continue;
}
if (buf[i_1] == unchecked ((int)(0x0d)) && i_1 + 1 < buf.Length && buf[i_1 + 1] ==
unchecked ((int)(0x0a)))
{
i_1++;
continue;
}
if (buf[i_1] == unchecked ((int)(0x0a)) && i_1 + 1 < buf.Length)
{
if (buf[i_1 + 1] == unchecked ((int)(0x0a)))
{
i_1 += 2;
break;
}
if (buf[i_1 + 1] == unchecked ((int)(0x0d)) && i_1 + 2 < buf.Length && buf[i_1 + 2
] == unchecked ((int)(0x0a)))
{
i_1 += 3;
break;
}
bool inheader = false;
for (int j = i_1 + 1; j < buf.Length; j++)
{
if (buf[j] == unchecked ((int)(0x0a)))
{
break;
}
//if(buf[j]==0x0d) break;
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i_1++;
encrypted = false;
// no passphrase
break;
}
}
i_1++;
}
if (type == ERROR)
{
throw new JSchException("invalid privatekey: " + prvkey);
}
int start = i_1;
while (i_1 < len)
{
if (buf[i_1] == unchecked ((int)(0x0a)))
{
bool xd = (buf[i_1 - 1] == unchecked ((int)(0x0d)));
System.Array.Copy(buf, i_1 + 1, buf, i_1 - (xd ? 1 : 0), len - i_1 - 1 - (xd ? 1 :
0));
if (xd)
{
len--;
}
len--;
continue;
}
if (buf[i_1] == '-')
{
break;
}
i_1++;
}
data = Util.FromBase64(buf, start, i_1 - start);
if (data.Length > 4 && data[0] == unchecked ((byte)unchecked ((int)(0x3f))) && data
[1] == unchecked ((byte)unchecked ((int)(0x6f))) && data[2] == unchecked ((byte)unchecked (
(int)(0xf9))) && data[3] == unchecked ((byte)unchecked ((int)(0xeb))))
{
// FSecure
Buffer _buf = new Buffer(data);
_buf.GetInt();
// 0x3f6ff9be
_buf.GetInt();
byte[] _type = _buf.GetString();
//System.err.println("type: "+new String(_type));
string _cipher = Util.Byte2str(_buf.GetString());
//System.err.println("cipher: "+_cipher);
if (_cipher.Equals("3des-cbc"))
{
_buf.GetInt();
byte[] foo = new byte[data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
data = foo;
encrypted = true;
throw new JSchException("unknown privatekey format: " + prvkey);
}
else
{
if (_cipher.Equals("none"))
{
_buf.GetInt();
_buf.GetInt();
encrypted = false;
byte[] foo = new byte[data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
data = foo;
}
}
}
if (pubkey != null)
{
try
{
file = new FilePath(pubkey);
fis = new FileInputStream(pubkey);
buf = new byte[(int)(file.Length())];
len = 0;
while (true)
{
i_1 = fis.Read(buf, len, buf.Length - len);
if (i_1 <= 0)
{
break;
}
len += i_1;
}
fis.Close();
if (buf.Length > 4 && buf[0] == '-' && buf[1] == '-' && buf[2] == '-' && buf[3] ==
'-')
{
// FSecure's public key
bool valid = true;
i_1 = 0;
do
{
i_1++;
}while (buf.Length > i_1 && buf[i_1] != unchecked ((int)(0x0a)));
if (buf.Length <= i_1)
{
valid = false;
}
while (valid)
{
if (buf[i_1] == unchecked ((int)(0x0a)))
{
bool inheader = false;
for (int j = i_1 + 1; j < buf.Length; j++)
{
if (buf[j] == unchecked ((int)(0x0a)))
{
break;
}
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i_1++;
break;
}
}
i_1++;
}
if (buf.Length <= i_1)
{
valid = false;
}
start = i_1;
while (valid && i_1 < len)
{
if (buf[i_1] == unchecked ((int)(0x0a)))
{
System.Array.Copy(buf, i_1 + 1, buf, i_1, len - i_1 - 1);
len--;
continue;
}
if (buf[i_1] == '-')
{
break;
}
i_1++;
}
if (valid)
{
publickeyblob = Util.FromBase64(buf, start, i_1 - start);
if (type == UNKNOWN)
{
if (publickeyblob[8] == 'd')
{
type = DSA;
}
else
{
if (publickeyblob[8] == 'r')
{
type = RSA;
}
}
}
}
}
else
{
if (buf[0] == 's' && buf[1] == 's' && buf[2] == 'h' && buf[3] == '-')
{
i_1 = 0;
while (i_1 < len)
{
if (buf[i_1] == ' ')
{
break;
}
i_1++;
}
i_1++;
if (i_1 < len)
{
start = i_1;
while (i_1 < len)
{
if (buf[i_1] == ' ')
{
break;
}
i_1++;
}
publickeyblob = Util.FromBase64(buf, start, i_1 - start);
}
if (i_1++ < len)
{
int s = i_1;
while (i_1 < len)
{
if (buf[i_1] == '\n')
{
break;
}
i_1++;
}
if (i_1 < len)
{
publicKeyComment = Sharpen.Runtime.GetStringForBytes(buf, s, i_1 - s);
}
}
}
}
}
catch (Exception)
{
}
}
}
catch (Exception e)
{
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
NSch.KeyPair kpair = null;
if (type == DSA)
{
kpair = new KeyPairDSA(jsch);
}
else
{
if (type == RSA)
{
kpair = new KeyPairRSA(jsch);
}
}
if (kpair != null)
{
kpair.encrypted = encrypted;
kpair.publickeyblob = publickeyblob;
kpair.vendor = vendor;
kpair.publicKeyComment = publicKeyComment;
kpair.cipher = cipher;
if (encrypted)
{
kpair.iv = iv;
kpair.data = data;
}
else
{
if (kpair.Parse(data))
{
return(kpair);
}
else
{
throw new JSchException("invalid privatekey: " + prvkey);
}
}
}
return(kpair);
}
/// <exception cref="System.IO.IOException"></exception>
internal override void Write(byte[] foo, int s, int l)
{
if (packet == null)
{
wbuf = new Buffer(rmpsize);
packet = new Packet(wbuf);
}
rbuf.Shift();
if (rbuf.buffer.Length < rbuf.index + l)
{
byte[] newbuf = new byte[rbuf.s + l];
System.Array.Copy(rbuf.buffer, 0, newbuf, 0, rbuf.buffer.Length);
rbuf.buffer = newbuf;
}
rbuf.PutByte(foo, s, l);
int mlen = rbuf.GetInt();
if (mlen > rbuf.GetLength())
{
rbuf.s -= 4;
return;
}
int typ = rbuf.GetByte();
Session _session = null;
try
{
_session = GetSession();
}
catch (JSchException e)
{
throw new IOException(e.ToString());
}
IdentityRepository irepo = _session.jsch.GetIdentityRepository();
UserInfo userinfo = _session.GetUserInfo();
mbuf.Reset();
if (typ == SSH2_AGENTC_REQUEST_IDENTITIES)
{
mbuf.PutByte(SSH2_AGENT_IDENTITIES_ANSWER);
ArrayList identities = irepo.GetIdentities();
lock (identities)
{
int count = 0;
for (int i = 0; i < identities.Count; i++)
{
Identity identity = (Identity)(identities[i]);
if (identity.GetPublicKeyBlob() != null)
{
count++;
}
}
mbuf.PutInt(count);
for (int i_1 = 0; i_1 < identities.Count; i_1++)
{
Identity identity = (Identity)(identities[i_1]);
byte[] pubkeyblob = identity.GetPublicKeyBlob();
if (pubkeyblob == null)
{
continue;
}
mbuf.PutString(pubkeyblob);
mbuf.PutString(Util.empty);
}
}
}
else
{
if (typ == SSH_AGENTC_REQUEST_RSA_IDENTITIES)
{
mbuf.PutByte(SSH_AGENT_RSA_IDENTITIES_ANSWER);
mbuf.PutInt(0);
}
else
{
if (typ == SSH2_AGENTC_SIGN_REQUEST)
{
byte[] blob = rbuf.GetString();
byte[] data = rbuf.GetString();
int flags = rbuf.GetInt();
// if((flags & 1)!=0){ //SSH_AGENT_OLD_SIGNATURE // old OpenSSH 2.0, 2.1
// datafellows = SSH_BUG_SIGBLOB;
// }
ArrayList identities = irepo.GetIdentities();
Identity identity = null;
lock (identities)
{
for (int i = 0; i < identities.Count; i++)
{
Identity _identity = (Identity)(identities[i]);
if (_identity.GetPublicKeyBlob() == null)
{
continue;
}
if (!Util.Array_equals(blob, _identity.GetPublicKeyBlob()))
{
continue;
}
if (_identity.IsEncrypted())
{
if (userinfo == null)
{
continue;
}
while (_identity.IsEncrypted())
{
if (!userinfo.PromptPassphrase("Passphrase for " + _identity.GetName()))
{
break;
}
string _passphrase = userinfo.GetPassphrase();
if (_passphrase == null)
{
break;
}
byte[] passphrase = Util.Str2byte(_passphrase);
try
{
if (_identity.SetPassphrase(passphrase))
{
break;
}
}
catch (JSchException)
{
break;
}
}
}
if (!_identity.IsEncrypted())
{
identity = _identity;
break;
}
}
}
byte[] signature = null;
if (identity != null)
{
signature = identity.GetSignature(data);
}
if (signature == null)
{
mbuf.PutByte(SSH2_AGENT_FAILURE);
}
else
{
mbuf.PutByte(SSH2_AGENT_SIGN_RESPONSE);
mbuf.PutString(signature);
}
}
else
{
if (typ == SSH2_AGENTC_REMOVE_IDENTITY)
{
byte[] blob = rbuf.GetString();
irepo.Remove(blob);
mbuf.PutByte(SSH_AGENT_SUCCESS);
}
else
{
if (typ == SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES)
{
mbuf.PutByte(SSH_AGENT_SUCCESS);
}
else
{
if (typ == SSH2_AGENTC_REMOVE_ALL_IDENTITIES)
{
irepo.RemoveAll();
mbuf.PutByte(SSH_AGENT_SUCCESS);
}
else
{
if (typ == SSH2_AGENTC_ADD_IDENTITY)
{
int fooo = rbuf.GetLength();
byte[] tmp = new byte[fooo];
rbuf.GetByte(tmp);
bool result = irepo.Add(tmp);
mbuf.PutByte(result ? SSH_AGENT_SUCCESS : SSH_AGENT_FAILURE);
}
else
{
rbuf.Skip(rbuf.GetLength() - 1);
mbuf.PutByte(SSH_AGENT_FAILURE);
}
}
}
}
}
}
}
byte[] response = new byte[mbuf.GetLength()];
mbuf.GetByte(response);
Send(response);
}
/// <exception cref="System.Exception"></exception>
public override bool Next(Buffer _buf)
{
int i;
int j;
switch (state)
{
case SSH_MSG_KEX_DH_GEX_GROUP:
{
// byte SSH_MSG_KEX_DH_GEX_GROUP(31)
// mpint p, safe prime
// mpint g, generator for subgroup in GF (p)
_buf.GetInt();
_buf.GetByte();
j = _buf.GetByte();
if (j != SSH_MSG_KEX_DH_GEX_GROUP)
{
System.Console.Error.WriteLine("type: must be SSH_MSG_KEX_DH_GEX_GROUP " + j);
return false;
}
p = _buf.GetMPInt();
g = _buf.GetMPInt();
dh.SetP(p);
dh.SetG(g);
// The client responds with:
// byte SSH_MSG_KEX_DH_GEX_INIT(32)
// mpint e <- g^x mod p
// x is a random number (1 < x < (p-1)/2)
e = dh.GetE();
packet.Reset();
buf.PutByte(unchecked((byte)SSH_MSG_KEX_DH_GEX_INIT));
buf.PutMPInt(e);
session.Write(packet);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "SSH_MSG_KEX_DH_GEX_INIT sent");
JSch.GetLogger().Log(Logger.INFO, "expecting SSH_MSG_KEX_DH_GEX_REPLY");
}
state = SSH_MSG_KEX_DH_GEX_REPLY;
return true;
}
case SSH_MSG_KEX_DH_GEX_REPLY:
{
//break;
// The server responds with:
// byte SSH_MSG_KEX_DH_GEX_REPLY(33)
// string server public host key and certificates (K_S)
// mpint f
// string signature of H
j = _buf.GetInt();
j = _buf.GetByte();
j = _buf.GetByte();
if (j != SSH_MSG_KEX_DH_GEX_REPLY)
{
System.Console.Error.WriteLine("type: must be SSH_MSG_KEX_DH_GEX_REPLY " + j);
return false;
}
K_S = _buf.GetString();
// K_S is server_key_blob, which includes ....
// string ssh-dss
// impint p of dsa
// impint q of dsa
// impint g of dsa
// impint pub_key of dsa
//System.err.print("K_S: "); dump(K_S, 0, K_S.length);
byte[] f = _buf.GetMPInt();
byte[] sig_of_H = _buf.GetString();
dh.SetF(f);
K = dh.GetK();
//The hash H is computed as the HASH hash of the concatenation of the
//following:
// string V_C, the client's version string (CR and NL excluded)
// string V_S, the server's version string (CR and NL excluded)
// string I_C, the payload of the client's SSH_MSG_KEXINIT
// string I_S, the payload of the server's SSH_MSG_KEXINIT
// string K_S, the host key
// uint32 min, minimal size in bits of an acceptable group
// uint32 n, preferred size in bits of the group the server should send
// uint32 max, maximal size in bits of an acceptable group
// mpint p, safe prime
// mpint g, generator for subgroup
// mpint e, exchange value sent by the client
// mpint f, exchange value sent by the server
// mpint K, the shared secret
// This value is called the exchange hash, and it is used to authenti-
// cate the key exchange.
buf.Reset();
buf.PutString(V_C);
buf.PutString(V_S);
buf.PutString(I_C);
buf.PutString(I_S);
buf.PutString(K_S);
buf.PutInt(min);
buf.PutInt(preferred);
buf.PutInt(max);
buf.PutMPInt(p);
buf.PutMPInt(g);
buf.PutMPInt(e);
buf.PutMPInt(f);
buf.PutMPInt(K);
byte[] foo = new byte[buf.GetLength()];
buf.GetByte(foo);
sha.Update(foo, 0, foo.Length);
H = sha.Digest();
// System.err.print("H -> "); dump(H, 0, H.length);
i = 0;
j = 0;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
string alg = Util.Byte2str(K_S, i, j);
i += j;
bool result = false;
if (alg.Equals("ssh-rsa"))
{
byte[] tmp;
byte[] ee;
byte[] n;
type = RSA;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
ee = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
n = tmp;
// SignatureRSA sig=new SignatureRSA();
// sig.init();
NSch.SignatureRSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.rsa"));
sig = (NSch.SignatureRSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(ee, n);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_rsa_verify: signature " + result);
}
}
else
{
if (alg.Equals("ssh-dss"))
{
byte[] q = null;
byte[] tmp;
type = DSS;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
p = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
q = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
g = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
f = tmp;
// SignatureDSA sig=new SignatureDSA();
// sig.init();
NSch.SignatureDSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.dss"));
sig = (NSch.SignatureDSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(f, p, q, g);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_dss_verify: signature " + result);
}
}
else
{
System.Console.Error.WriteLine("unknown alg");
}
}
state = STATE_END;
return result;
}
}
return false;
}
/// <exception cref="NSch.SftpException"></exception>
private void ThrowStatusError(Buffer buf, int i)
{
if (server_version >= 3 && buf.GetLength() >= 4)
{
// WindRiver's sftp will send invalid
// SSH_FXP_STATUS packet.
byte[] str = buf.GetString();
//byte[] tag=buf.getString();
throw new SftpException(i, Util.Byte2str(str, UTF8));
}
else
{
throw new SftpException(i, "Failure");
}
}
/// <exception cref="NSch.JSchException"></exception>
public override void Start()
{
try
{
PipedOutputStream pos = new PipedOutputStream();
io.SetOutputStream(pos);
PipedInputStream pis = new Channel.MyPipedInputStream(this, pos, 32 * 1024);
io.SetInputStream(pis);
io_in = io.@in;
if (io_in == null)
{
throw new JSchException("channel is down");
}
Request request = new RequestSftp();
request.DoRequest(GetSession(), this);
buf = new Buffer(rmpsize);
packet = new Packet(buf);
int i = 0;
int length;
int type;
byte[] str;
// send SSH_FXP_INIT
SendINIT();
// receive SSH_FXP_VERSION
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
length = header.length;
if (length > MAX_MSG_LENGTH)
{
throw new SftpException(SSH_FX_FAILURE, "Received message is too long: " + length
);
}
type = header.type;
// 2 -> SSH_FXP_VERSION
server_version = header.rid;
//System.err.println("SFTP protocol server-version="+server_version);
if (length > 0)
{
extensions = new Hashtable();
// extension data
Fill(buf, length);
byte[] extension_name = null;
byte[] extension_data = null;
while (length > 0)
{
extension_name = buf.GetString();
length -= (4 + extension_name.Length);
extension_data = buf.GetString();
length -= (4 + extension_data.Length);
extensions.Put(Util.Byte2str(extension_name), Util.Byte2str(extension_data));
}
}
lcwd = new FilePath(".").GetCanonicalPath();
}
catch (Exception e)
{
//System.err.println(e);
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
}
/// <exception cref="NSch.JSchException"></exception>
public static NSch.KeyPair Load(JSch jsch, string prvkey, string pubkey)
{
byte[] iv = new byte[8];
// 8
bool encrypted = true;
byte[] data = null;
byte[] publickeyblob = null;
int type = ERROR;
int vendor = VENDOR_OPENSSH;
try
{
FilePath file = new FilePath(prvkey);
FileInputStream fis = new FileInputStream(prvkey);
byte[] buf = new byte[(int)(file.Length())];
int len = 0;
while (true)
{
int i = fis.Read(buf, len, buf.Length - len);
if (i <= 0)
{
break;
}
len += i;
}
fis.Close();
int i_1 = 0;
while (i_1 < len)
{
if (buf[i_1] == 'B' && buf[i_1 + 1] == 'E' && buf[i_1 + 2] == 'G' && buf[i_1 + 3]
== 'I')
{
i_1 += 6;
if (buf[i_1] == 'D' && buf[i_1 + 1] == 'S' && buf[i_1 + 2] == 'A')
{
type = DSA;
}
else
{
if (buf[i_1] == 'R' && buf[i_1 + 1] == 'S' && buf[i_1 + 2] == 'A')
{
type = RSA;
}
else
{
if (buf[i_1] == 'S' && buf[i_1 + 1] == 'S' && buf[i_1 + 2] == 'H')
{
// FSecure
type = UNKNOWN;
vendor = VENDOR_FSECURE;
}
else
{
//System.err.println("invalid format: "+identity);
throw new JSchException("invalid privatekey: " + prvkey);
}
}
}
i_1 += 3;
continue;
}
if (buf[i_1] == 'C' && buf[i_1 + 1] == 'B' && buf[i_1 + 2] == 'C' && buf[i_1 + 3]
== ',')
{
i_1 += 4;
for (int ii = 0; ii < iv.Length; ii++)
{
iv[ii] = unchecked((byte)(((A2b(buf[i_1++]) << 4) & unchecked((int)(0xf0))) + (A2b
(buf[i_1++]) & unchecked((int)(0xf)))));
}
continue;
}
if (buf[i_1] == unchecked((int)(0x0d)) && i_1 + 1 < buf.Length && buf[i_1 + 1] ==
unchecked((int)(0x0a)))
{
i_1++;
continue;
}
if (buf[i_1] == unchecked((int)(0x0a)) && i_1 + 1 < buf.Length)
{
if (buf[i_1 + 1] == unchecked((int)(0x0a)))
{
i_1 += 2;
break;
}
if (buf[i_1 + 1] == unchecked((int)(0x0d)) && i_1 + 2 < buf.Length && buf[i_1 + 2
] == unchecked((int)(0x0a)))
{
i_1 += 3;
break;
}
bool inheader = false;
for (int j = i_1 + 1; j < buf.Length; j++)
{
if (buf[j] == unchecked((int)(0x0a)))
{
break;
}
//if(buf[j]==0x0d) break;
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i_1++;
encrypted = false;
// no passphrase
break;
}
}
i_1++;
}
if (type == ERROR)
{
throw new JSchException("invalid privatekey: " + prvkey);
}
int start = i_1;
while (i_1 < len)
{
if (buf[i_1] == unchecked((int)(0x0a)))
{
bool xd = (buf[i_1 - 1] == unchecked((int)(0x0d)));
System.Array.Copy(buf, i_1 + 1, buf, i_1 - (xd ? 1 : 0), len - i_1 - 1 - (xd ? 1 :
0));
if (xd)
{
len--;
}
len--;
continue;
}
if (buf[i_1] == '-')
{
break;
}
i_1++;
}
data = Util.FromBase64(buf, start, i_1 - start);
if (data.Length > 4 && data[0] == unchecked((byte)unchecked((int)(0x3f))) && data
[1] == unchecked((byte)unchecked((int)(0x6f))) && data[2] == unchecked((byte)unchecked(
(int)(0xf9))) && data[3] == unchecked((byte)unchecked((int)(0xeb))))
{
// FSecure
Buffer _buf = new Buffer(data);
_buf.GetInt();
// 0x3f6ff9be
_buf.GetInt();
byte[] _type = _buf.GetString();
//System.err.println("type: "+new String(_type));
byte[] _cipher = _buf.GetString();
string cipher = Util.Byte2str(_cipher);
//System.err.println("cipher: "+cipher);
if (cipher.Equals("3des-cbc"))
{
_buf.GetInt();
byte[] foo = new byte[data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
data = foo;
encrypted = true;
throw new JSchException("unknown privatekey format: " + prvkey);
}
else
{
if (cipher.Equals("none"))
{
_buf.GetInt();
_buf.GetInt();
encrypted = false;
byte[] foo = new byte[data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
data = foo;
}
}
}
if (pubkey != null)
{
try
{
file = new FilePath(pubkey);
fis = new FileInputStream(pubkey);
buf = new byte[(int)(file.Length())];
len = 0;
while (true)
{
i_1 = fis.Read(buf, len, buf.Length - len);
if (i_1 <= 0)
{
break;
}
len += i_1;
}
fis.Close();
if (buf.Length > 4 && buf[0] == '-' && buf[1] == '-' && buf[2] == '-' && buf[3] ==
'-')
{
// FSecure's public key
bool valid = true;
i_1 = 0;
do
{
i_1++;
}
while (buf.Length > i_1 && buf[i_1] != unchecked((int)(0x0a)));
if (buf.Length <= i_1)
{
valid = false;
}
while (valid)
{
if (buf[i_1] == unchecked((int)(0x0a)))
{
bool inheader = false;
for (int j = i_1 + 1; j < buf.Length; j++)
{
if (buf[j] == unchecked((int)(0x0a)))
{
break;
}
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i_1++;
break;
}
}
i_1++;
}
if (buf.Length <= i_1)
{
valid = false;
}
start = i_1;
while (valid && i_1 < len)
{
if (buf[i_1] == unchecked((int)(0x0a)))
{
System.Array.Copy(buf, i_1 + 1, buf, i_1, len - i_1 - 1);
len--;
continue;
}
if (buf[i_1] == '-')
{
break;
}
i_1++;
}
if (valid)
{
publickeyblob = Util.FromBase64(buf, start, i_1 - start);
if (type == UNKNOWN)
{
if (publickeyblob[8] == 'd')
{
type = DSA;
}
else
{
if (publickeyblob[8] == 'r')
{
type = RSA;
}
}
}
}
}
else
{
if (buf[0] == 's' && buf[1] == 's' && buf[2] == 'h' && buf[3] == '-')
{
i_1 = 0;
while (i_1 < len)
{
if (buf[i_1] == ' ')
{
break;
}
i_1++;
}
i_1++;
if (i_1 < len)
{
start = i_1;
while (i_1 < len)
{
if (buf[i_1] == ' ')
{
break;
}
i_1++;
}
publickeyblob = Util.FromBase64(buf, start, i_1 - start);
}
}
}
}
catch (Exception)
{
}
}
}
catch (Exception e)
{
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
NSch.KeyPair kpair = null;
if (type == DSA)
{
kpair = new KeyPairDSA(jsch);
}
else
{
if (type == RSA)
{
kpair = new KeyPairRSA(jsch);
}
}
if (kpair != null)
{
kpair.encrypted = encrypted;
kpair.publickeyblob = publickeyblob;
kpair.vendor = vendor;
if (encrypted)
{
kpair.iv = iv;
kpair.data = data;
}
else
{
if (kpair.Parse(data))
{
return kpair;
}
else
{
throw new JSchException("invalid privatekey: " + prvkey);
}
}
}
return kpair;
}
/// <exception cref="System.Exception"></exception>
public override bool Next(Buffer _buf)
{
int i;
int j;
switch (state)
{
case SSH_MSG_KEX_DH_GEX_GROUP:
{
// byte SSH_MSG_KEX_DH_GEX_GROUP(31)
// mpint p, safe prime
// mpint g, generator for subgroup in GF (p)
_buf.GetInt();
_buf.GetByte();
j = _buf.GetByte();
if (j != SSH_MSG_KEX_DH_GEX_GROUP)
{
System.Console.Error.WriteLine("type: must be SSH_MSG_KEX_DH_GEX_GROUP " + j);
return(false);
}
p = _buf.GetMPInt();
g = _buf.GetMPInt();
dh.SetP(p);
dh.SetG(g);
// The client responds with:
// byte SSH_MSG_KEX_DH_GEX_INIT(32)
// mpint e <- g^x mod p
// x is a random number (1 < x < (p-1)/2)
e = dh.GetE();
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_KEX_DH_GEX_INIT));
buf.PutMPInt(e);
session.Write(packet);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "SSH_MSG_KEX_DH_GEX_INIT sent");
JSch.GetLogger().Log(Logger.INFO, "expecting SSH_MSG_KEX_DH_GEX_REPLY");
}
state = SSH_MSG_KEX_DH_GEX_REPLY;
return(true);
}
case SSH_MSG_KEX_DH_GEX_REPLY:
{
//break;
// The server responds with:
// byte SSH_MSG_KEX_DH_GEX_REPLY(33)
// string server public host key and certificates (K_S)
// mpint f
// string signature of H
j = _buf.GetInt();
j = _buf.GetByte();
j = _buf.GetByte();
if (j != SSH_MSG_KEX_DH_GEX_REPLY)
{
System.Console.Error.WriteLine("type: must be SSH_MSG_KEX_DH_GEX_REPLY " + j);
return(false);
}
K_S = _buf.GetString();
// K_S is server_key_blob, which includes ....
// string ssh-dss
// impint p of dsa
// impint q of dsa
// impint g of dsa
// impint pub_key of dsa
//System.err.print("K_S: "); dump(K_S, 0, K_S.length);
byte[] f = _buf.GetMPInt();
byte[] sig_of_H = _buf.GetString();
dh.SetF(f);
K = dh.GetK();
//The hash H is computed as the HASH hash of the concatenation of the
//following:
// string V_C, the client's version string (CR and NL excluded)
// string V_S, the server's version string (CR and NL excluded)
// string I_C, the payload of the client's SSH_MSG_KEXINIT
// string I_S, the payload of the server's SSH_MSG_KEXINIT
// string K_S, the host key
// uint32 min, minimal size in bits of an acceptable group
// uint32 n, preferred size in bits of the group the server should send
// uint32 max, maximal size in bits of an acceptable group
// mpint p, safe prime
// mpint g, generator for subgroup
// mpint e, exchange value sent by the client
// mpint f, exchange value sent by the server
// mpint K, the shared secret
// This value is called the exchange hash, and it is used to authenti-
// cate the key exchange.
buf.Reset();
buf.PutString(V_C);
buf.PutString(V_S);
buf.PutString(I_C);
buf.PutString(I_S);
buf.PutString(K_S);
buf.PutInt(min);
buf.PutInt(preferred);
buf.PutInt(max);
buf.PutMPInt(p);
buf.PutMPInt(g);
buf.PutMPInt(e);
buf.PutMPInt(f);
buf.PutMPInt(K);
byte[] foo = new byte[buf.GetLength()];
buf.GetByte(foo);
sha.Update(foo, 0, foo.Length);
H = sha.Digest();
// System.err.print("H -> "); dump(H, 0, H.length);
i = 0;
j = 0;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
string alg = Util.Byte2str(K_S, i, j);
i += j;
bool result = false;
if (alg.Equals("ssh-rsa"))
{
byte[] tmp;
byte[] ee;
byte[] n;
type = RSA;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
ee = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
n = tmp;
// SignatureRSA sig=new SignatureRSA();
// sig.init();
NSch.SignatureRSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.rsa"));
sig = (NSch.SignatureRSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(ee, n);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_rsa_verify: signature " + result);
}
}
else
{
if (alg.Equals("ssh-dss"))
{
byte[] q = null;
byte[] tmp;
type = DSS;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
p = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
q = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
g = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
f = tmp;
// SignatureDSA sig=new SignatureDSA();
// sig.init();
NSch.SignatureDSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.dss"));
sig = (NSch.SignatureDSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(f, p, q, g);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_dss_verify: signature " + result);
}
}
else
{
System.Console.Error.WriteLine("unknown alg");
}
}
state = STATE_END;
return(result);
}
}
return(false);
}
/// <exception cref="NSch.JSchException"></exception>
private IdentityFile(string name, byte[] prvkey, byte[] pubkey, JSch jsch)
{
this.identity = name;
this.jsch = jsch;
// prvkey from "ssh-add" command on the remote.
if (pubkey == null && prvkey != null && (prvkey.Length > 11 && prvkey[0] == 0 &&
prvkey[1] == 0 && prvkey[2] == 0 && prvkey[3] == 7))
{
Buffer buf = new Buffer(prvkey);
string _type = Sharpen.Runtime.GetStringForBytes(buf.GetString());
// ssh-rsa
if (_type.Equals("ssh-rsa"))
{
type = RSA;
n_array = buf.GetString();
e_array = buf.GetString();
d_array = buf.GetString();
buf.GetString();
buf.GetString();
buf.GetString();
this.identity += Sharpen.Runtime.GetStringForBytes(buf.GetString());
}
else
{
if (_type.Equals("ssh-dss"))
{
type = DSS;
P_array = buf.GetString();
Q_array = buf.GetString();
G_array = buf.GetString();
pub_array = buf.GetString();
prv_array = buf.GetString();
this.identity += Sharpen.Runtime.GetStringForBytes(buf.GetString());
}
else
{
throw new JSchException("privatekey: invalid key " + Sharpen.Runtime.GetStringForBytes
(prvkey, 4, 7));
}
}
encoded_data = prvkey;
encrypted = false;
keytype = OPENSSH;
return;
}
try
{
Type c;
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("3des-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
// 24
iv = new byte[cipher.GetIVSize()];
// 8
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("md5"));
hash = (HASH)(System.Activator.CreateInstance(c));
hash.Init();
byte[] buf = prvkey;
int len = buf.Length;
int i = 0;
while (i < len)
{
if (buf[i] == '-' && i + 4 < len && buf[i + 1] == '-' && buf[i + 2] == '-' && buf
[i + 3] == '-' && buf[i + 4] == '-')
{
break;
}
i++;
}
while (i < len)
{
if (buf[i] == 'B' && i + 3 < len && buf[i + 1] == 'E' && buf[i + 2] == 'G' && buf
[i + 3] == 'I')
{
i += 6;
if (buf[i] == 'D' && buf[i + 1] == 'S' && buf[i + 2] == 'A')
{
type = DSS;
}
else
{
if (buf[i] == 'R' && buf[i + 1] == 'S' && buf[i + 2] == 'A')
{
type = RSA;
}
else
{
if (buf[i] == 'S' && buf[i + 1] == 'S' && buf[i + 2] == 'H')
{
// FSecure
type = UNKNOWN;
keytype = FSECURE;
}
else
{
//System.err.println("invalid format: "+identity);
throw new JSchException("invalid privatekey: " + identity);
}
}
}
i += 3;
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '2' && buf[i + 5] == '5' && buf[i + 6] == '6' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes256-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes256-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes256-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '1' && buf[i + 5] == '9' && buf[i + 6] == '2' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes192-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes192-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes192-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '1' && buf[i + 5] == '2' && buf[i + 6] == '8' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes128-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes128-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes128-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'C' && i + 3 < len && buf[i + 1] == 'B' && buf[i + 2] == 'C' && buf
[i + 3] == ',')
{
i += 4;
for (int ii = 0; ii < iv.Length; ii++)
{
iv[ii] = unchecked ((byte)(((A2b(buf[i++]) << 4) & unchecked ((int)(0xf0))) + (A2b(
buf[i++]) & unchecked ((int)(0xf)))));
}
continue;
}
if (buf[i] == unchecked ((int)(0x0d)) && i + 1 < len && buf[i + 1] == unchecked ((int
)(0x0a)))
{
i++;
continue;
}
if (buf[i] == unchecked ((int)(0x0a)) && i + 1 < len)
{
if (buf[i + 1] == unchecked ((int)(0x0a)))
{
i += 2;
break;
}
if (buf[i + 1] == unchecked ((int)(0x0d)) && i + 2 < len && buf[i + 2] == unchecked (
(int)(0x0a)))
{
i += 3;
break;
}
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == unchecked ((int)(0x0a)))
{
break;
}
//if(buf[j]==0x0d) break;
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i++;
encrypted = false;
// no passphrase
break;
}
}
i++;
}
if (type == ERROR)
{
throw new JSchException("invalid privatekey: " + identity);
}
int start = i;
while (i < len)
{
if (buf[i] == unchecked ((int)(0x0a)))
{
bool xd = (buf[i - 1] == unchecked ((int)(0x0d)));
System.Array.Copy(buf, i + 1, buf, i - (xd ? 1 : 0), len - i - 1 - (xd ? 1 : 0));
if (xd)
{
len--;
}
len--;
continue;
}
if (buf[i] == '-')
{
break;
}
i++;
}
encoded_data = Util.FromBase64(buf, start, i - start);
if (encoded_data.Length > 4 && encoded_data[0] == unchecked ((byte)unchecked ((int)
(0x3f))) && encoded_data[1] == unchecked ((byte)unchecked ((int)(0x6f))) && encoded_data
[2] == unchecked ((byte)unchecked ((int)(0xf9))) && encoded_data[3] == unchecked ((
byte)unchecked ((int)(0xeb))))
{
// FSecure
Buffer _buf = new Buffer(encoded_data);
_buf.GetInt();
// 0x3f6ff9be
_buf.GetInt();
byte[] _type = _buf.GetString();
//System.err.println("type: "+new String(_type));
byte[] _cipher = _buf.GetString();
string cipherStr = Util.Byte2str(_cipher);
//System.err.println("cipher: "+cipher);
if (cipherStr.Equals("3des-cbc"))
{
_buf.GetInt();
byte[] foo = new byte[encoded_data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
encoded_data = foo;
encrypted = true;
throw new JSchException("unknown privatekey format: " + identity);
}
else
{
if (cipherStr.Equals("none"))
{
_buf.GetInt();
//_buf.getInt();
encrypted = false;
byte[] foo = new byte[encoded_data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
encoded_data = foo;
}
}
}
if (pubkey == null)
{
return;
}
buf = pubkey;
len = buf.Length;
if (buf.Length > 4 && buf[0] == '-' && buf[1] == '-' && buf[2] == '-' && buf[3] ==
'-')
{
// FSecure's public key
i = 0;
do
{
i++;
}while (len > i && buf[i] != unchecked ((int)(0x0a)));
if (len <= i)
{
return;
}
while (i < len)
{
if (buf[i] == unchecked ((int)(0x0a)))
{
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == unchecked ((int)(0x0a)))
{
break;
}
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i++;
break;
}
}
i++;
}
if (len <= i)
{
return;
}
start = i;
while (i < len)
{
if (buf[i] == unchecked ((int)(0x0a)))
{
System.Array.Copy(buf, i + 1, buf, i, len - i - 1);
len--;
continue;
}
if (buf[i] == '-')
{
break;
}
i++;
}
publickeyblob = Util.FromBase64(buf, start, i - start);
if (type == UNKNOWN && publickeyblob.Length > 8)
{
if (publickeyblob[8] == 'd')
{
type = DSS;
}
else
{
if (publickeyblob[8] == 'r')
{
type = RSA;
}
}
}
}
else
{
if (buf[0] != 's' || buf[1] != 's' || buf[2] != 'h' || buf[3] != '-')
{
return;
}
i = 0;
while (i < len)
{
if (buf[i] == ' ')
{
break;
}
i++;
}
i++;
if (i >= len)
{
return;
}
start = i;
while (i < len)
{
if (buf[i] == ' ' || buf[i] == '\n')
{
break;
}
i++;
}
publickeyblob = Util.FromBase64(buf, start, i - start);
if (publickeyblob.Length < 4 + 7)
{
// It must start with "ssh-XXX".
if (JSch.GetLogger().IsEnabled(Logger.WARN))
{
JSch.GetLogger().Log(Logger.WARN, "failed to parse the public key");
}
publickeyblob = null;
}
}
}
catch (Exception e)
{
//System.err.println("IdentityFile: "+e);
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
}
/// <exception cref="NSch.JSchException"></exception>
private IdentityFile(string name, byte[] prvkey, byte[] pubkey, JSch jsch)
{
this.identity = name;
this.jsch = jsch;
try
{
Type c;
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("3des-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
// 24
iv = new byte[cipher.GetIVSize()];
// 8
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("md5"));
hash = (HASH)(System.Activator.CreateInstance(c));
hash.Init();
byte[] buf = prvkey;
int len = buf.Length;
int i = 0;
while (i < len)
{
if (buf[i] == '-' && i + 4 < len && buf[i + 1] == '-' && buf[i + 2] == '-' && buf
[i + 3] == '-' && buf[i + 4] == '-')
{
break;
}
i++;
}
while (i < len)
{
if (buf[i] == 'B' && i + 3 < len && buf[i + 1] == 'E' && buf[i + 2] == 'G' && buf
[i + 3] == 'I')
{
i += 6;
if (buf[i] == 'D' && buf[i + 1] == 'S' && buf[i + 2] == 'A')
{
type = DSS;
}
else
{
if (buf[i] == 'R' && buf[i + 1] == 'S' && buf[i + 2] == 'A')
{
type = RSA;
}
else
{
if (buf[i] == 'S' && buf[i + 1] == 'S' && buf[i + 2] == 'H')
{
// FSecure
type = UNKNOWN;
keytype = FSECURE;
}
else
{
//System.err.println("invalid format: "+identity);
throw new JSchException("invalid privatekey: " + identity);
}
}
}
i += 3;
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '2' && buf[i + 5] == '5' && buf[i + 6] == '6' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes256-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes256-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes256-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'C' && i + 3 < len && buf[i + 1] == 'B' && buf[i + 2] == 'C' && buf
[i + 3] == ',')
{
i += 4;
for (int ii = 0; ii < iv.Length; ii++)
{
iv[ii] = unchecked((byte)(((A2b(buf[i++]) << 4) & unchecked((int)(0xf0))) + (A2b(
buf[i++]) & unchecked((int)(0xf)))));
}
continue;
}
if (buf[i] == unchecked((int)(0x0d)) && i + 1 < len && buf[i + 1] == unchecked((int
)(0x0a)))
{
i++;
continue;
}
if (buf[i] == unchecked((int)(0x0a)) && i + 1 < len)
{
if (buf[i + 1] == unchecked((int)(0x0a)))
{
i += 2;
break;
}
if (buf[i + 1] == unchecked((int)(0x0d)) && i + 2 < len && buf[i + 2] == unchecked(
(int)(0x0a)))
{
i += 3;
break;
}
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == unchecked((int)(0x0a)))
{
break;
}
//if(buf[j]==0x0d) break;
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i++;
encrypted = false;
// no passphrase
break;
}
}
i++;
}
if (type == ERROR)
{
throw new JSchException("invalid privatekey: " + identity);
}
int start = i;
while (i < len)
{
if (buf[i] == unchecked((int)(0x0a)))
{
bool xd = (buf[i - 1] == unchecked((int)(0x0d)));
System.Array.Copy(buf, i + 1, buf, i - (xd ? 1 : 0), len - i - 1 - (xd ? 1 : 0));
if (xd)
{
len--;
}
len--;
continue;
}
if (buf[i] == '-')
{
break;
}
i++;
}
encoded_data = Util.FromBase64(buf, start, i - start);
if (encoded_data.Length > 4 && encoded_data[0] == unchecked((byte)unchecked((int)
(0x3f))) && encoded_data[1] == unchecked((byte)unchecked((int)(0x6f))) && encoded_data
[2] == unchecked((byte)unchecked((int)(0xf9))) && encoded_data[3] == unchecked((
byte)unchecked((int)(0xeb))))
{
// FSecure
Buffer _buf = new Buffer(encoded_data);
_buf.GetInt();
// 0x3f6ff9be
_buf.GetInt();
byte[] _type = _buf.GetString();
//System.err.println("type: "+new String(_type));
byte[] _cipher = _buf.GetString();
string cipher2 = Util.Byte2str(_cipher);
//System.err.println("cipher: "+cipher);
if (cipher2.Equals("3des-cbc"))
{
_buf.GetInt();
byte[] foo = new byte[encoded_data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
encoded_data = foo;
encrypted = true;
throw new JSchException("unknown privatekey format: " + identity);
}
else
{
if (cipher2.Equals("none"))
{
_buf.GetInt();
//_buf.getInt();
encrypted = false;
byte[] foo = new byte[encoded_data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
encoded_data = foo;
}
}
}
if (pubkey == null)
{
return;
}
buf = pubkey;
len = buf.Length;
if (buf.Length > 4 && buf[0] == '-' && buf[1] == '-' && buf[2] == '-' && buf[3] ==
'-')
{
// FSecure's public key
i = 0;
do
{
i++;
}
while (len > i && buf[i] != unchecked((int)(0x0a)));
if (len <= i)
{
return;
}
while (i < len)
{
if (buf[i] == unchecked((int)(0x0a)))
{
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == unchecked((int)(0x0a)))
{
break;
}
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i++;
break;
}
}
i++;
}
if (len <= i)
{
return;
}
start = i;
while (i < len)
{
if (buf[i] == unchecked((int)(0x0a)))
{
System.Array.Copy(buf, i + 1, buf, i, len - i - 1);
len--;
continue;
}
if (buf[i] == '-')
{
break;
}
i++;
}
publickeyblob = Util.FromBase64(buf, start, i - start);
if (type == UNKNOWN && publickeyblob.Length > 8)
{
if (publickeyblob[8] == 'd')
{
type = DSS;
}
else
{
if (publickeyblob[8] == 'r')
{
type = RSA;
}
}
}
}
else
{
if (buf[0] != 's' || buf[1] != 's' || buf[2] != 'h' || buf[3] != '-')
{
return;
}
i = 0;
while (i < len)
{
if (buf[i] == ' ')
{
break;
}
i++;
}
i++;
if (i >= len)
{
return;
}
start = i;
while (i < len)
{
if (buf[i] == ' ' || buf[i] == '\n')
{
break;
}
i++;
}
publickeyblob = Util.FromBase64(buf, start, i - start);
if (publickeyblob.Length < 4 + 7)
{
// It must start with "ssh-XXX".
if (JSch.GetLogger().IsEnabled(Logger.WARN))
{
JSch.GetLogger().Log(Logger.WARN, "failed to parse the public key");
}
publickeyblob = null;
}
}
}
catch (Exception e)
{
//System.err.println("IdentityFile: "+e);
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
}
internal override void GetData(Buffer buf)
{
SetRecipient(buf.GetInt());
SetRemoteWindowSize(buf.GetUInt());
SetRemotePacketSize(buf.GetInt());
byte[] addr = buf.GetString();
int port = buf.GetInt();
byte[] orgaddr = buf.GetString();
int orgport = buf.GetInt();
Session _session = null;
try
{
_session = GetSession();
}
catch (JSchException)
{
}
// session has been already down.
lock (pool)
{
for (int i = 0; i < pool.Count; i++)
{
object[] foo = (object[])(pool[i]);
if (foo[0] != _session)
{
continue;
}
if (((int)foo[1]) != port)
{
continue;
}
this.rport = port;
this.target = (string)foo[2];
if (foo[3] == null || (foo[3] is object[]))
{
this.lport = -1;
}
else
{
this.lport = ((int)foo[3]);
}
if (foo.Length >= 6)
{
this.factory = ((SocketFactory)foo[5]);
}
break;
}
if (target == null)
{
}
}
}
internal static NSch.SftpATTRS GetATTR(Buffer buf)
{
NSch.SftpATTRS attr = new NSch.SftpATTRS();
attr.flags = buf.GetInt();
if ((attr.flags & SSH_FILEXFER_ATTR_SIZE) != 0)
{
attr.size = buf.GetLong();
}
if ((attr.flags & SSH_FILEXFER_ATTR_UIDGID) != 0)
{
attr.uid = buf.GetInt();
attr.gid = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_PERMISSIONS) != 0)
{
attr.permissions = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0)
{
attr.atime = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0)
{
attr.mtime = buf.GetInt();
}
if ((attr.flags & SSH_FILEXFER_ATTR_EXTENDED) != 0)
{
int count = buf.GetInt();
if (count > 0)
{
attr.extended = new string[count * 2];
for (int i = 0; i < count; i++)
{
attr.extended[i * 2] = Util.Byte2str(buf.GetString());
attr.extended[i * 2 + 1] = Util.Byte2str(buf.GetString());
}
}
}
return attr;
}
protected internal static string[] Guess(byte[] I_S, byte[] I_C)
{
string[] guess = new string[PROPOSAL_MAX];
Buffer sb = new Buffer(I_S);
sb.SetOffSet(17);
Buffer cb = new Buffer(I_C);
cb.SetOffSet(17);
for (int i = 0; i < PROPOSAL_MAX; i++)
{
byte[] sp = sb.GetString();
// server proposal
byte[] cp = cb.GetString();
// client proposal
int j = 0;
int k = 0;
while (j < cp.Length)
{
while (j < cp.Length && cp[j] != ',')
{
j++;
}
if (k == j)
{
return(null);
}
string algorithm = Util.Byte2str(cp, k, j - k);
int l = 0;
int m = 0;
while (l < sp.Length)
{
while (l < sp.Length && sp[l] != ',')
{
l++;
}
if (m == l)
{
return(null);
}
if (algorithm.Equals(Util.Byte2str(sp, m, l - m)))
{
guess[i] = algorithm;
goto loop_break;
}
l++;
m = l;
}
j++;
k = j;
loop_continue :;
}
loop_break :;
if (j == 0)
{
guess[i] = string.Empty;
}
else
{
if (guess[i] == null)
{
return(null);
}
}
}
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "kex: server->client" + " " + guess[PROPOSAL_ENC_ALGS_STOC
] + " " + guess[PROPOSAL_MAC_ALGS_STOC] + " " + guess[PROPOSAL_COMP_ALGS_STOC]);
JSch.GetLogger().Log(Logger.INFO, "kex: client->server" + " " + guess[PROPOSAL_ENC_ALGS_CTOS
] + " " + guess[PROPOSAL_MAC_ALGS_CTOS] + " " + guess[PROPOSAL_COMP_ALGS_CTOS]);
}
// for(int i=0; i<PROPOSAL_MAX; i++){
// System.err.println("guess: ["+guess[i]+"]");
// }
return(guess);
}
protected internal static string[] Guess(byte[] I_S, byte[] I_C)
{
string[] guess = new string[PROPOSAL_MAX];
Buffer sb = new Buffer(I_S);
sb.SetOffSet(17);
Buffer cb = new Buffer(I_C);
cb.SetOffSet(17);
for (int i = 0; i < PROPOSAL_MAX; i++)
{
byte[] sp = sb.GetString();
// server proposal
byte[] cp = cb.GetString();
// client proposal
int j = 0;
int k = 0;
while (j < cp.Length)
{
while (j < cp.Length && cp[j] != ',')
{
j++;
}
if (k == j)
{
return null;
}
string algorithm = Util.Byte2str(cp, k, j - k);
int l = 0;
int m = 0;
while (l < sp.Length)
{
while (l < sp.Length && sp[l] != ',')
{
l++;
}
if (m == l)
{
return null;
}
if (algorithm.Equals(Util.Byte2str(sp, m, l - m)))
{
guess[i] = algorithm;
goto loop_break;
}
l++;
m = l;
}
j++;
k = j;
loop_continue: ;
}
loop_break: ;
if (j == 0)
{
guess[i] = string.Empty;
}
else
{
if (guess[i] == null)
{
return null;
}
}
}
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "kex: server->client" + " " + guess[PROPOSAL_ENC_ALGS_STOC
] + " " + guess[PROPOSAL_MAC_ALGS_STOC] + " " + guess[PROPOSAL_COMP_ALGS_STOC]);
JSch.GetLogger().Log(Logger.INFO, "kex: client->server" + " " + guess[PROPOSAL_ENC_ALGS_CTOS
] + " " + guess[PROPOSAL_MAC_ALGS_CTOS] + " " + guess[PROPOSAL_COMP_ALGS_CTOS]);
}
// for(int i=0; i<PROPOSAL_MAX; i++){
// System.err.println("guess: ["+guess[i]+"]");
// }
return guess;
}
public virtual void Run()
{
thread = this;
byte[] foo;
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
int i = 0;
Channel channel;
int[] start = new int[1];
int[] length = new int[1];
KeyExchange kex = null;
int stimeout = 0;
try
{
while (isConnected && thread != null)
{
try
{
buf = Read(buf);
stimeout = 0;
}
catch (ThreadInterruptedException ee)
{
if (!in_kex && stimeout < serverAliveCountMax)
{
SendKeepAliveMsg();
stimeout++;
continue;
}
throw;
}
int msgType = buf.GetCommand() & unchecked((int)(0xff));
if (kex != null && kex.GetState() == msgType)
{
kex_start_time = Runtime.CurrentTimeMillis();
bool result = kex.Next(buf);
if (!result)
{
throw new JSchException("verify: " + result);
}
continue;
}
switch (msgType)
{
case SSH_MSG_KEXINIT:
{
//System.err.println("KEXINIT");
kex = Receive_kexinit(buf);
break;
}
case SSH_MSG_NEWKEYS:
{
//System.err.println("NEWKEYS");
Send_newkeys();
Receive_newkeys(buf, kex);
kex = null;
break;
}
case SSH_MSG_CHANNEL_DATA:
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
foo = buf.GetString(start, length);
if (channel == null)
{
break;
}
if (length[0] == 0)
{
break;
}
try
{
channel.Write(foo, start[0], length[0]);
}
catch (Exception)
{
//System.err.println(e);
try
{
channel.Disconnect();
}
catch (Exception)
{
}
break;
}
int len = length[0];
channel.SetLocalWindowSize(channel.lwsize - len);
if (channel.lwsize < channel.lwsize_max / 2)
{
packet.Reset();
buf.PutByte(unchecked((byte)SSH_MSG_CHANNEL_WINDOW_ADJUST));
buf.PutInt(channel.GetRecipient());
buf.PutInt(channel.lwsize_max - channel.lwsize);
Write(packet);
channel.SetLocalWindowSize(channel.lwsize_max);
}
break;
}
case SSH_MSG_CHANNEL_EXTENDED_DATA:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
buf.GetInt();
// data_type_code == 1
foo = buf.GetString(start, length);
//System.err.println("stderr: "+new String(foo,start[0],length[0]));
if (channel == null)
{
break;
}
if (length[0] == 0)
{
break;
}
channel.Write_ext(foo, start[0], length[0]);
int len = length[0];
channel.SetLocalWindowSize(channel.lwsize - len);
if (channel.lwsize < channel.lwsize_max / 2)
{
packet.Reset();
buf.PutByte(unchecked((byte)SSH_MSG_CHANNEL_WINDOW_ADJUST));
buf.PutInt(channel.GetRecipient());
buf.PutInt(channel.lwsize_max - channel.lwsize);
Write(packet);
channel.SetLocalWindowSize(channel.lwsize_max);
}
break;
}
case SSH_MSG_CHANNEL_WINDOW_ADJUST:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel == null)
{
break;
}
channel.AddRemoteWindowSize(buf.GetInt());
break;
}
case SSH_MSG_CHANNEL_EOF:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel != null)
{
//channel.eof_remote=true;
//channel.eof();
channel.Eof_remote();
}
break;
}
case SSH_MSG_CHANNEL_CLOSE:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel != null)
{
// channel.close();
channel.Disconnect();
}
break;
}
case SSH_MSG_CHANNEL_OPEN_CONFIRMATION:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel == null)
{
}
//break;
int r = buf.GetInt();
long rws = buf.GetUInt();
int rps = buf.GetInt();
channel.SetRemoteWindowSize(rws);
channel.SetRemotePacketSize(rps);
channel.SetRecipient(r);
break;
}
case SSH_MSG_CHANNEL_OPEN_FAILURE:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel == null)
{
}
//break;
int reason_code = buf.GetInt();
//foo=buf.getString(); // additional textual information
//foo=buf.getString(); // language tag
channel.exitstatus = reason_code;
channel.close = true;
channel.eof_remote = true;
channel.SetRecipient(0);
break;
}
case SSH_MSG_CHANNEL_REQUEST:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
foo = buf.GetString();
bool reply = (buf.GetByte() != 0);
channel = Channel.GetChannel(i, this);
if (channel != null)
{
byte reply_type = unchecked((byte)SSH_MSG_CHANNEL_FAILURE);
if ((Util.Byte2str(foo)).Equals("exit-status"))
{
i = buf.GetInt();
// exit-status
channel.SetExitStatus(i);
reply_type = unchecked((byte)SSH_MSG_CHANNEL_SUCCESS);
}
if (reply)
{
packet.Reset();
buf.PutByte(reply_type);
buf.PutInt(channel.GetRecipient());
Write(packet);
}
}
break;
}
case SSH_MSG_CHANNEL_OPEN:
{
buf.GetInt();
buf.GetShort();
foo = buf.GetString();
string ctyp = Util.Byte2str(foo);
if (!"forwarded-tcpip".Equals(ctyp) && !("x11".Equals(ctyp) && x11_forwarding) &&
!("*****@*****.**".Equals(ctyp) && agent_forwarding))
{
//System.err.println("Session.run: CHANNEL OPEN "+ctyp);
//throw new IOException("Session.run: CHANNEL OPEN "+ctyp);
packet.Reset();
buf.PutByte(unchecked((byte)SSH_MSG_CHANNEL_OPEN_FAILURE));
buf.PutInt(buf.GetInt());
buf.PutInt(Channel.SSH_OPEN_ADMINISTRATIVELY_PROHIBITED);
buf.PutString(Util.empty);
buf.PutString(Util.empty);
Write(packet);
}
else
{
channel = Channel.GetChannel(ctyp);
AddChannel(channel);
channel.GetData(buf);
channel.Init();
Sharpen.Thread tmp = new Sharpen.Thread(channel);
tmp.SetName("Channel " + ctyp + " " + host);
if (daemon_thread)
{
tmp.SetDaemon(daemon_thread);
}
tmp.Start();
break;
}
goto case SSH_MSG_CHANNEL_SUCCESS;
}
case SSH_MSG_CHANNEL_SUCCESS:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel == null)
{
break;
}
channel.reply = 1;
break;
}
case SSH_MSG_CHANNEL_FAILURE:
{
buf.GetInt();
buf.GetShort();
i = buf.GetInt();
channel = Channel.GetChannel(i, this);
if (channel == null)
{
break;
}
channel.reply = 0;
break;
}
case SSH_MSG_GLOBAL_REQUEST:
{
buf.GetInt();
buf.GetShort();
foo = buf.GetString();
// request name
bool reply = (buf.GetByte() != 0);
if (reply)
{
packet.Reset();
buf.PutByte(unchecked((byte)SSH_MSG_REQUEST_FAILURE));
Write(packet);
}
break;
}
case SSH_MSG_REQUEST_FAILURE:
case SSH_MSG_REQUEST_SUCCESS:
{
Sharpen.Thread t = grr.GetThread();
if (t != null)
{
grr.SetReply(msgType == SSH_MSG_REQUEST_SUCCESS ? 1 : 0);
t.Interrupt();
}
break;
}
default:
{
//System.err.println("Session.run: unsupported type "+msgType);
throw new IOException("Unknown SSH message type " + msgType);
}
}
}
}
catch (Exception e)
{
in_kex = false;
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "Caught an exception, leaving main loop due to "
+ e.Message);
}
}
//System.err.println("# Session.run");
//e.printStackTrace();
try
{
Disconnect();
}
catch (ArgumentNullException)
{
}
catch (Exception)
{
}
//System.err.println("@1");
//e.printStackTrace();
//System.err.println("@2");
//e.printStackTrace();
isConnected = false;
}
/// <exception cref="System.Exception"></exception>
public virtual Buffer Read(Buffer buf)
{
int j = 0;
while (true)
{
buf.Reset();
io.GetByte(buf.buffer, buf.index, s2ccipher_size);
buf.index += s2ccipher_size;
if (s2ccipher != null)
{
s2ccipher.Update(buf.buffer, 0, s2ccipher_size, buf.buffer, 0);
}
j = ((buf.buffer[0] << 24) & unchecked((int)(0xff000000))) | ((buf.buffer[1] << 16
) & unchecked((int)(0x00ff0000))) | ((buf.buffer[2] << 8) & unchecked((int)(0x0000ff00
))) | ((buf.buffer[3]) & unchecked((int)(0x000000ff)));
// RFC 4253 6.1. Maximum Packet Length
if (j < 5 || j > PACKET_MAX_SIZE)
{
Start_discard(buf, s2ccipher, s2cmac, j, PACKET_MAX_SIZE);
}
int need = j + 4 - s2ccipher_size;
//if(need<0){
// throw new IOException("invalid data");
//}
if ((buf.index + need) > buf.buffer.Length)
{
byte[] foo = new byte[buf.index + need];
System.Array.Copy(buf.buffer, 0, foo, 0, buf.index);
buf.buffer = foo;
}
if ((need % s2ccipher_size) != 0)
{
string message = "Bad packet length " + need;
if (JSch.GetLogger().IsEnabled(Logger.FATAL))
{
JSch.GetLogger().Log(Logger.FATAL, message);
}
Start_discard(buf, s2ccipher, s2cmac, j, PACKET_MAX_SIZE - s2ccipher_size);
}
if (need > 0)
{
io.GetByte(buf.buffer, buf.index, need);
buf.index += (need);
if (s2ccipher != null)
{
s2ccipher.Update(buf.buffer, s2ccipher_size, need, buf.buffer, s2ccipher_size);
}
}
if (s2cmac != null)
{
s2cmac.Update(seqi);
s2cmac.Update(buf.buffer, 0, buf.index);
s2cmac.DoFinal(s2cmac_result1, 0);
io.GetByte(s2cmac_result2, 0, s2cmac_result2.Length);
if (!Arrays.Equals(s2cmac_result1, s2cmac_result2))
{
if (need > PACKET_MAX_SIZE)
{
throw new IOException("MAC Error");
}
Start_discard(buf, s2ccipher, s2cmac, j, PACKET_MAX_SIZE - need);
continue;
}
}
seqi++;
if (inflater != null)
{
//inflater.uncompress(buf);
int pad = buf.buffer[4];
uncompress_len[0] = buf.index - 5 - pad;
byte[] foo = inflater.Uncompress(buf.buffer, 5, uncompress_len);
if (foo != null)
{
buf.buffer = foo;
buf.index = 5 + uncompress_len[0];
}
else
{
System.Console.Error.WriteLine("fail in inflater");
break;
}
}
int type = buf.GetCommand() & unchecked((int)(0xff));
//System.err.println("read: "+type);
if (type == SSH_MSG_DISCONNECT)
{
buf.Rewind();
buf.GetInt();
buf.GetShort();
int reason_code = buf.GetInt();
byte[] description = buf.GetString();
byte[] language_tag = buf.GetString();
throw new JSchException("SSH_MSG_DISCONNECT: " + reason_code + " " + Util.Byte2str
(description) + " " + Util.Byte2str(language_tag));
}
else
{
//break;
if (type == SSH_MSG_IGNORE)
{
}
else
{
if (type == SSH_MSG_UNIMPLEMENTED)
{
buf.Rewind();
buf.GetInt();
buf.GetShort();
int reason_id = buf.GetInt();
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "Received SSH_MSG_UNIMPLEMENTED for " + reason_id
);
}
}
else
{
if (type == SSH_MSG_DEBUG)
{
buf.Rewind();
buf.GetInt();
buf.GetShort();
}
else
{
if (type == SSH_MSG_CHANNEL_WINDOW_ADJUST)
{
buf.Rewind();
buf.GetInt();
buf.GetShort();
Channel c = Channel.GetChannel(buf.GetInt(), this);
if (c == null)
{
}
else
{
c.AddRemoteWindowSize(buf.GetInt());
}
}
else
{
if (type == UserAuth.SSH_MSG_USERAUTH_SUCCESS)
{
isAuthed = true;
if (inflater == null && deflater == null)
{
string method;
method = guess[KeyExchange.PROPOSAL_COMP_ALGS_CTOS];
InitDeflater(method);
method = guess[KeyExchange.PROPOSAL_COMP_ALGS_STOC];
InitInflater(method);
}
break;
}
else
{
break;
}
}
}
}
}
}
}
buf.Rewind();
return buf;
}
/// <exception cref="System.Exception"></exception>
public override bool Next(Buffer _buf)
{
int i;
int j;
switch (state)
{
case SSH_MSG_KEXDH_REPLY:
{
// The server responds with:
// byte SSH_MSG_KEXDH_REPLY(31)
// string server public host key and certificates (K_S)
// mpint f
// string signature of H
j = _buf.GetInt();
j = _buf.GetByte();
j = _buf.GetByte();
if (j != 31)
{
System.Console.Error.WriteLine("type: must be 31 " + j);
return false;
}
K_S = _buf.GetString();
// K_S is server_key_blob, which includes ....
// string ssh-dss
// impint p of dsa
// impint q of dsa
// impint g of dsa
// impint pub_key of dsa
//System.err.print("K_S: "); //dump(K_S, 0, K_S.length);
byte[] f = _buf.GetMPInt();
byte[] sig_of_H = _buf.GetString();
dh.SetF(f);
K = dh.GetK();
//The hash H is computed as the HASH hash of the concatenation of the
//following:
// string V_C, the client's version string (CR and NL excluded)
// string V_S, the server's version string (CR and NL excluded)
// string I_C, the payload of the client's SSH_MSG_KEXINIT
// string I_S, the payload of the server's SSH_MSG_KEXINIT
// string K_S, the host key
// mpint e, exchange value sent by the client
// mpint f, exchange value sent by the server
// mpint K, the shared secret
// This value is called the exchange hash, and it is used to authenti-
// cate the key exchange.
buf.Reset();
buf.PutString(V_C);
buf.PutString(V_S);
buf.PutString(I_C);
buf.PutString(I_S);
buf.PutString(K_S);
buf.PutMPInt(e);
buf.PutMPInt(f);
buf.PutMPInt(K);
byte[] foo = new byte[buf.GetLength()];
buf.GetByte(foo);
sha.Update(foo, 0, foo.Length);
H = sha.Digest();
//System.err.print("H -> "); //dump(H, 0, H.length);
i = 0;
j = 0;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
string alg = Util.Byte2str(K_S, i, j);
i += j;
bool result = false;
if (alg.Equals("ssh-rsa"))
{
byte[] tmp;
byte[] ee;
byte[] n;
type = RSA;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
ee = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
n = tmp;
NSch.SignatureRSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.rsa"));
sig = (NSch.SignatureRSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(ee, n);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_rsa_verify: signature " + result);
}
}
else
{
if (alg.Equals("ssh-dss"))
{
byte[] q = null;
byte[] tmp;
byte[] p;
byte[] g;
type = DSS;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
p = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
q = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
g = tmp;
j = ((K_S[i++] << 24) & unchecked((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked(
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
f = tmp;
NSch.SignatureDSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.dss"));
sig = (NSch.SignatureDSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(f, p, q, g);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_dss_verify: signature " + result);
}
}
else
{
System.Console.Error.WriteLine("unknown alg");
}
}
state = STATE_END;
return result;
}
}
return false;
}
