getStringUTF8() public static method

public static getStringUTF8 ( byte arr ) : string
arr byte
return string
Beispiel #1
0
        public override bool start(Session session)
        {
            //super.start(session);

            //Vector identities=JSch.identities;
            System.Collections.ArrayList identities = session.jsch.identities;

            Packet packet = session.packet;
            Buffer buf    = session.buf;

            String passphrase = null;
            String username   = session.username;

            byte[] _username = null;
            try{ _username = Util.getBytesUTF8(username); }
            catch
            {            //(java.io.UnsupportedEncodingException e){
                _username = Util.getBytes(username);
            }

            for (int i = 0; i < identities.Count; i++)
            {
                Identity identity   = (Identity)(identities[i]);
                byte[]   pubkeyblob = identity.getPublicKeyBlob();

                //System.out.println("UserAuthPublicKey: "+identity+" "+pubkeyblob);

                if (pubkeyblob != null)
                {
                    // send
                    // byte      SSH_MSG_USERAUTH_REQUEST(50)
                    // string    user name
                    // string    service name ("ssh-connection")
                    // string    "publickey"
                    // boolen    FALSE
                    // string    plaintext password (ISO-10646 UTF-8)
                    packet.reset();
                    buf.WriteByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
                    buf.WriteString(_username);
                    buf.WriteString(Util.getBytes("ssh-connection"));
                    buf.WriteString(Util.getBytes("publickey"));
                    buf.WriteByte((byte)0);
                    buf.WriteString(Util.getBytes(identity.getAlgName()));
                    buf.WriteString(pubkeyblob);
                    session.write(packet);

loop1:
                    while (true)
                    {
                        // receive
                        // byte      SSH_MSG_USERAUTH_PK_OK(52)
                        // string    service name
                        buf = session.read(buf);
                        //System.out.println("read: 60 ? "+    buf.buffer[5]);
                        if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_PK_OK)
                        {
                            break;
                        }
                        else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
                        {
                            //	System.out.println("USERAUTH publickey "+session.getIdentity()+
                            //			   " is not acceptable.");
                            break;
                        }
                        else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
                        {
                            buf.ReadInt(); buf.ReadByte(); buf.ReadByte();
                            byte[] _message = buf.ReadString();
                            byte[] lang     = buf.ReadString();
                            String message  = null;
                            try{ message = Util.getStringUTF8(_message); }
                            catch
                            {                            //(java.io.UnsupportedEncodingException e){
                                message = Util.getString(_message);
                            }
                            if (userinfo != null)
                            {
                                userinfo.showMessage(message);
                            }
                            goto loop1;
                        }
                        else
                        {
                            //System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
                            //throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
                            break;
                        }
                    }
                    if (buf.buffer[5] != Session.SSH_MSG_USERAUTH_PK_OK)
                    {
                        continue;
                    }
                }

                //System.out.println("UserAuthPublicKey: identity.isEncrypted()="+identity.isEncrypted());

                int count = 5;
                while (true)
                {
                    if ((identity.isEncrypted() && passphrase == null))
                    {
                        if (userinfo == null)
                        {
                            throw new JSchException("USERAUTH fail");
                        }
                        if (identity.isEncrypted() &&
                            !userinfo.promptPassphrase("Passphrase for " + identity.getName()))
                        {
                            throw new JSchAuthCancelException("publickey");
                            //throw new JSchException("USERAUTH cancel");
                            //break;
                        }
                        passphrase = userinfo.getPassphrase();
                    }

                    if (!identity.isEncrypted() || passphrase != null)
                    {
                        //System.out.println("UserAuthPublicKey: @1 "+passphrase);
                        if (identity.setPassphrase(passphrase))
                        {
                            break;
                        }
                    }
                    passphrase = null;
                    count--;
                    if (count == 0)
                    {
                        break;
                    }
                }

                //System.out.println("UserAuthPublicKey: identity.isEncrypted()="+identity.isEncrypted());

                if (identity.isEncrypted())
                {
                    continue;
                }
                if (pubkeyblob == null)
                {
                    pubkeyblob = identity.getPublicKeyBlob();
                }

                //System.out.println("UserAuthPublicKey: pubkeyblob="+pubkeyblob);

                if (pubkeyblob == null)
                {
                    continue;
                }

                // send
                // byte      SSH_MSG_USERAUTH_REQUEST(50)
                // string    user name
                // string    service name ("ssh-connection")
                // string    "publickey"
                // boolen    TRUE
                // string    plaintext password (ISO-10646 UTF-8)
                packet.reset();
                buf.WriteByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
                buf.WriteString(_username);
                buf.WriteString(Util.getBytes("ssh-connection"));
                buf.WriteString(Util.getBytes("publickey"));
                buf.WriteByte((byte)1);
                buf.WriteString(Util.getBytes(identity.getAlgName()));
                buf.WriteString(pubkeyblob);

                //      byte[] tmp=new byte[buf.index-5];
                //      System.arraycopy(buf.buffer, 5, tmp, 0, tmp.length);
                //      buf.putString(signature);

                byte[] sid    = session.getSessionId();
                uint   sidlen = (uint)sid.Length;
                byte[] tmp    = new byte[4 + sidlen + buf.index - 5];
                tmp[0] = (byte)(sidlen >> 24);
                tmp[1] = (byte)(sidlen >> 16);
                tmp[2] = (byte)(sidlen >> 8);
                tmp[3] = (byte)(sidlen);
                Array.Copy(sid, 0, tmp, 4, sidlen);
                Array.Copy(buf.buffer, 5, tmp, 4 + sidlen, buf.index - 5);

                byte[] signature = identity.getSignature(session, tmp);
                if (signature == null)
                {                  // for example, too long key length.
                    break;
                }
                buf.WriteString(signature);

                session.write(packet);

loop2:
                while (true)
                {
                    // receive
                    // byte      SSH_MSG_USERAUTH_SUCCESS(52)
                    // string    service name
                    buf = session.read(buf);
                    //System.out.println("read: 52 ? "+    buf.buffer[5]);
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
                    {
                        return(true);
                    }
                    else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
                    {
                        buf.ReadInt(); buf.ReadByte(); buf.ReadByte();
                        byte[] _message = buf.ReadString();
                        byte[] lang     = buf.ReadString();
                        String message  = null;
                        try{ message = Util.getStringUTF8(_message); }
                        catch
                        {                        //(java.io.UnsupportedEncodingException e){
                            message = Util.getString(_message);
                        }
                        if (userinfo != null)
                        {
                            userinfo.showMessage(message);
                        }
                        goto loop2;
                    }
                    else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
                    {
                        buf.ReadInt(); buf.ReadByte(); buf.ReadByte();
                        byte[] foo             = buf.ReadString();
                        int    partial_success = buf.ReadByte();
                        //System.out.println(Encoding.UTF8.GetString(foo)+
                        //                   " partial_success:"+(partial_success!=0));
                        if (partial_success != 0)
                        {
                            throw new JSchPartialAuthException(Util.getString(foo));
                        }
                        break;
                    }
                    //System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
                    //throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
                    break;
                }
            }
            return(false);
        }
Beispiel #2
0
        public override bool start(Session session)
        {
            base.start(session);
            //System.out.println("UserAuthNone: start");
            Packet packet   = session.packet;
            Buffer buf      = session.buf;
            String username = session.username;

            byte[] _username = null;
            try{ _username = Util.getBytesUTF8(username); }
            catch
            {            //(java.io.UnsupportedEncodingException e){
                _username = Util.getBytes(username);
            }

            // send
            // byte      SSH_MSG_USERAUTH_REQUEST(50)
            // string    user name
            // string    service name ("ssh-connection")
            // string    "none"
            packet.reset();
            buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
            buf.putString(_username);
            buf.putString(Util.getBytes("ssh-connection"));
            buf.putString(Util.getBytes("none"));
            session.write(packet);

loop:
            while (true)
            {
                // receive
                // byte      SSH_MSG_USERAUTH_SUCCESS(52)
                // string    service name
                buf = session.read(buf);
                //System.out.println("UserAuthNone: read: 52 ? "+    buf.buffer[5]);
                if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
                {
                    return(true);
                }
                if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
                {
                    buf.getInt(); buf.getByte(); buf.getByte();
                    byte[] _message = buf.getString();
                    byte[] lang     = buf.getString();
                    String message  = null;
                    try{ message = Util.getStringUTF8(_message); }
                    catch
                    {                            //(java.io.UnsupportedEncodingException e){
                        message = Util.getString(_message);
                    }
                    if (userinfo != null)
                    {
                        userinfo.showMessage(message);
                    }
                    goto loop;
                }
                if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
                {
                    buf.getInt(); buf.getByte(); buf.getByte();
                    byte[] foo             = buf.getString();
                    int    partial_success = buf.getByte();
                    methods = Util.getString(foo);
                    //System.out.println("UserAuthNONE: "+methods+
                    //		   " partial_success:"+(partial_success!=0));
                    //	if(partial_success!=0){
                    //	  throw new JSchPartialAuthException(new String(foo));
                    //	}
                    break;
                }
                else
                {
                    //      System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
                    throw new JSchException("USERAUTH fail (" + buf.buffer[5] + ")");
                }
            }
            //throw new JSchException("USERAUTH fail");
            return(false);
        }
Beispiel #3
0
        public override bool start(Session session)
        {
//    super.start(session);
//System.out.println("UserAuthPassword: start");
            Packet packet   = session.packet;
            Buffer buf      = session.buf;
            String username = session.username;
            String password = session.password;
            String dest     = username + "@" + session.host;

            if (session.port != 22)
            {
                dest += (":" + session.port);
            }

            while (true)
            {
                if (password == null)
                {
                    if (userinfo == null)
                    {
                        //throw new JSchException("USERAUTH fail");
                        return(false);
                    }
                    if (!userinfo.promptPassword("Password for " + dest))
                    {
                        throw new JSchAuthCancelException("password");
                        //break;
                    }
                    password = userinfo.getPassword();
                    if (password == null)
                    {
                        throw new JSchAuthCancelException("password");
                        //break;
                    }
                }

                byte[] _username = null;
                try{ _username = Util.getBytesUTF8(username); }
                catch {//(java.io.UnsupportedEncodingException e){
                    _username = Util.getBytes(username);
                }

                byte[] _password = null;
                try{ _password = Util.getBytesUTF8(password); }
                catch {//(java.io.UnsupportedEncodingException e){
                    _password = Util.getBytes(password);
                }

                // send
                // byte      SSH_MSG_USERAUTH_REQUEST(50)
                // string    user name
                // string    service name ("ssh-connection")
                // string    "password"
                // boolen    FALSE
                // string    plaintext password (ISO-10646 UTF-8)
                packet.reset();
                buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
                buf.putString(_username);
                buf.putString(Util.getBytes("ssh-connection"));
                buf.putString(Util.getBytes("password"));
                buf.putByte((byte)0);
                buf.putString(_password);
                session.write(packet);

loop:
                while (true)
                {
                    // receive
                    // byte      SSH_MSG_USERAUTH_SUCCESS(52)
                    // string    service name
                    buf = session.read(buf);
                    //System.out.println("read: 52 ? "+    buf.buffer[5]);
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
                    {
                        return(true);
                    }
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
                    {
                        buf.getInt(); buf.getByte(); buf.getByte();
                        byte[] _message = buf.getString();
                        byte[] lang     = buf.getString();
                        String message  = null;
                        try{ message = Util.getStringUTF8(_message); }
                        catch {//(java.io.UnsupportedEncodingException e){
                            message = Util.getString(_message);
                        }
                        if (userinfo != null)
                        {
                            userinfo.showMessage(message);
                        }
                        goto loop;
                    }
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
                    {
                        buf.getInt(); buf.getByte(); buf.getByte();
                        byte[] foo             = buf.getString();
                        int    partial_success = buf.getByte();
                        //System.out.println(new String(foo)+
                        //		 " partial_success:"+(partial_success!=0));
                        if (partial_success != 0)
                        {
                            throw new JSchPartialAuthException(Util.getString(foo));
                        }
                        break;
                    }
                    else
                    {
//        System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
//	  throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
                        return(false);
                    }
                }
                password = null;
            }
            //throw new JSchException("USERAUTH fail");
            //return false;
        }
        public override bool start(Session session)
        {
//System.out.println("UserAuthKeyboardInteractive: start");
            Packet packet   = session.packet;
            Buffer buf      = session.buf;
            String username = session.username;
            String dest     = username + "@" + session.host;

            if (session.port != 22)
            {
                dest += (":" + session.port);
            }

            bool cancel = false;

            byte[] _username = null;
            try
            {
                _username = Encoding.UTF8.GetBytes(username);
            }
            catch
            {
                _username = Util.getBytes(username);
            }

            while (true)
            {
                // send
                // byte      SSH_MSG_USERAUTH_REQUEST(50)
                // string    user name (ISO-10646 UTF-8, as defined in [RFC-2279])
                // string    service name (US-ASCII) "ssh-userauth" ? "ssh-connection"
                // string    "keyboard-interactive" (US-ASCII)
                // string    language tag (as defined in [RFC-3066])
                // string    submethods (ISO-10646 UTF-8)
                packet.reset();
                buf.putByte(Session.SSH_MSG_USERAUTH_REQUEST);
                buf.putString(_username);
                buf.putString(Util.getBytes("ssh-connection"));
                //buf.putString("ssh-userauth".getBytes());
                buf.putString(Util.getBytes("keyboard-interactive"));
                buf.putString(Util.getBytes(""));
                buf.putString(Util.getBytes(""));
                session.write(packet);

                bool firsttime = true;
loop:
                while (true)
                {
                    // receive
                    // byte      SSH_MSG_USERAUTH_SUCCESS(52)
                    // string    service name
                    try
                    {
                        buf = session.read(buf);
                    }
                    catch (JSchException e)
                    {
                        e.GetType();
                        return(false);
                    }
                    catch (IOException e)
                    {
                        e.GetType();
                        return(false);
                    }
                    //System.out.println("read: 52 ? "+    buf.buffer[5]);
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
                    {
                        return(true);
                    }
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
                    {
                        buf.getInt();
                        buf.getByte();
                        buf.getByte();
                        byte[] _message = buf.getString();
                        byte[] lang     = buf.getString();
                        String message  = null;
                        try
                        {
                            message = Util.getStringUTF8(_message);
                        }
                        catch
                        {
                            message = Util.getString(_message);
                        }
                        if (userinfo != null)
                        {
                            userinfo.showMessage(message);
                        }
                        goto loop;
                    }
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
                    {
                        buf.getInt();
                        buf.getByte();
                        buf.getByte();
                        byte[] foo             = buf.getString();
                        int    partial_success = buf.getByte();
//	  System.out.println(new String(foo)+
//			     " partial_success:"+(partial_success!=0));

                        if (partial_success != 0)
                        {
                            throw new JSchPartialAuthException(Util.getString(foo));
                        }

                        if (firsttime)
                        {
                            throw new JSchException("USERAUTH KI is not supported");
                            //return false;
                            //cancel=true;  // ??
                        }
                        break;
                    }
                    if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_INFO_REQUEST)
                    {
                        firsttime = false;
                        buf.getInt();
                        buf.getByte();
                        buf.getByte();
                        String name         = Util.getString(buf.getString());
                        String instruction  = Util.getString(buf.getString());
                        String languate_tag = Util.getString(buf.getString());
                        int    num          = buf.getInt();
//System.out.println("name: "+name);
//System.out.println("instruction: "+instruction);
//System.out.println("lang: "+languate_tag);
//System.out.println("num: "+num);
                        var prompt = new String[num];
                        var echo   = new bool[num];
                        for (int i = 0; i < num; i++)
                        {
                            prompt[i] = Util.getString(buf.getString());
                            echo[i]   = (buf.getByte() != 0);
//System.out.println("  "+prompt[i]+","+echo[i]);
                        }

                        String[] response = null;
                        if (num > 0 ||
                            (name.Length > 0 || instruction.Length > 0)
                            )
                        {
                            var kbi = (UIKeyboardInteractive)userinfo;
                            if (userinfo != null)
                            {
                                response = kbi.promptKeyboardInteractive(dest,
                                                                         name,
                                                                         instruction,
                                                                         prompt,
                                                                         echo);
                            }
                        }
                        // byte      SSH_MSG_USERAUTH_INFO_RESPONSE(61)
                        // int       num-responses
                        // string    response[1] (ISO-10646 UTF-8)
                        // ...
                        // string    response[num-responses] (ISO-10646 UTF-8)
//if(response!=null)
//System.out.println("response.length="+response.length);
//else
//System.out.println("response is null");
                        packet.reset();
                        buf.putByte(Session.SSH_MSG_USERAUTH_INFO_RESPONSE);
                        if (num > 0 &&
                            (response == null || // cancel
                             num != response.Length))
                        {
                            buf.putInt(0);
                            if (response == null)
                            {
                                cancel = true;
                            }
                        }
                        else
                        {
                            buf.putInt(num);
                            for (int i = 0; i < num; i++)
                            {
//System.out.println("response: |"+response[i]+"| <- replace here with **** if you need");
                                buf.putString(Util.getBytes(response[i]));
                            }
                        }
                        session.write(packet);
                        if (cancel)
                        {
                            break;
                        }
//System.out.println("continue loop");
                        goto loop;
                    }
                    //throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
                    return(false);
                }
                if (cancel)
                {
                    throw new JSchAuthCancelException("keyboard-interactive");
                    //break;
                }
            }
            //return false;
        }