Python telnetlib.IAC Examples

The following are 11 code examples of telnetlib.IAC(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module telnetlib , or try the search function .
Example #1
Source File: telnet.py    From flashre with GNU Lesser General Public License v3.0 6 votes vote down vote up 
def __init__(self, host):
        self.tlnt = telnetlib.Telnet(host, 23)

        # Announce that we will send strings character per character
        self.write_raw(telnetlib.IAC + telnetlib.WONT + telnetlib.LINEMODE)
Example #2
Source File: telnet.py    From flashre with GNU Lesser General Public License v3.0 5 votes vote down vote up 
def write_raw(self, data):
        """
        Write raw data to the socket, as the regular write() doubles IAC
        characters.
        From
        http://stackoverflow.com/questions/12421799/how-to-disable-telnet-echo-in-python-telnetlib # noqa: E501
        """

        t_sck = self.tlnt.get_socket()
        t_sck.send(data)
Example #3
Source File: telnet.py    From netman with Apache License 2.0 5 votes vote down vote up 
def _accept_all(sock, cmd, opt):
    if cmd == WILL:
        sock.sendall(IAC + DO + opt)
    elif cmd == WONT:
        sock.sendall(IAC + DONT + opt)
Example #4
Source File: microlparallax.py    From pyLIMA with GNU General Public License v3.0 5 votes vote down vote up 
def optcallback(socket, command, option):
    """Write by Tim Lister, thanks :)
    """
    cnum = ord(command)
    onum = ord(option)
    if cnum == telnetlib.WILL:  # and onum == ECHO:
        socket.write(telnetlib.IAC + telnetlib.DONT + onum)
    if cnum == telnetlib.DO and onum == telnetlib.TTYPE:
        socket.write(telnetlib.IAC + telnetlib.WONT + telnetlib.TTYPE)

        ### Uncomment the following if the spacecraft dataset is huge! and also the global variables
        # at the begining of the module
        # width = struct.pack('H', MAX_WINDOW_WIDTH)
        # height = struct.pack('H', MAX_WINDOW_HEIGHT)
        # socket.send(telnetlib.IAC + telnetlib.SB + telnetlib.NAWS + width + height + telnetlib.IAC + telnetlib.SE)
Example #5
Source File: telnet.py    From logparser with GNU General Public License v3.0 5 votes vote down vote up 
def telnet_callback(tn, command, option):
        if command == DO and option == TTYPE:
            tn.sendall(IAC + WILL + TTYPE)
            tn.sendall(IAC + SB + TTYPE + '\0' + 'LogParser' + IAC + SE)
        elif command in (DO, DONT):
            tn.sendall(IAC + WILL + option)
        elif command in (WILL, WONT):
            tn.sendall(IAC + DO + option)
Example #6
Source File: epdb_client.py    From conary with Apache License 2.0 5 votes vote down vote up 
def ctrl_c(self, int, tb):
        self.sock.sendall(IAC + IP)
        self.sock.sendall('close\n')
        raise KeyboardInterrupt
Example #7
Source File: epdb_client.py    From conary with Apache License 2.0 5 votes vote down vote up 
def updateTerminalSize(self):
        rows, cols = getTerminalSize()
        out = struct.pack('>HH', cols, rows)
        out.replace('\xFF', '\xFF\xFF')  # escape IAC
        self.sock.sendall(IAC + SB + NAWS + out + IAC + SE)
Example #8
Source File: epdb_server.py    From conary with Apache License 2.0 5 votes vote down vote up 
def process_IAC(self, sock, cmd, option):
        """
            Read in and parse IAC commands as passed by telnetlib.

            SB/SE commands are stored in sbdataq, and passed in w/ a command
            of SE.  
        """
        if cmd == DO:
            if option == TM: # timing mark - send WILL into outgoing stream
                os.write(self.remote, IAC + WILL + TM)
            else:
                pass
        elif cmd == IP:
            # interrupt process
            os.write(self.local, chr(ord('C') & 0x1F))
        elif cmd == SB:
            pass
        elif cmd == SE:
            option = self.sbdataq[0]
            if option == NAWS: # negotiate window size.
                cols = ord(self.sbdataq[1])
                rows = ord(self.sbdataq[2])
                s = struct.pack('HHHH', rows, cols, 0, 0)
                fcntl.ioctl(self.local, termios.TIOCSWINSZ, s)
        elif cmd == DONT:
            pass
        else:
            pass
Example #9
Source File: epdb_client.py    From epdb with MIT License 5 votes vote down vote up 
def ctrl_c(self, int, tb):
        self.sock.sendall(IAC + IP)
        self.sock.sendall(b'close\n')
        raise KeyboardInterrupt
Example #10
Source File: epdb_client.py    From epdb with MIT License 5 votes vote down vote up 
def updateTerminalSize(self):
        rows, cols = getTerminalSize()
        out = struct.pack(b'>HH', cols, rows)
        if IAC in out:
            out.replace(IAC, IAC + IAC)  # escape IAC
        self.sock.sendall(IAC + SB + NAWS + out + IAC + SE)
Example #11
Source File: epdb_server.py    From epdb with MIT License 5 votes vote down vote up 
def process_IAC(self, sock, cmd, option):
        """
            Read in and parse IAC commands as passed by telnetlib.

            SB/SE commands are stored in sbdataq, and passed in w/ a command
            of SE.
        """
        if cmd == DO:
            if option == TM:
                # timing mark - send WILL into outgoing stream
                os.write(self.remote, IAC + WILL + TM)
            else:
                pass
        elif cmd == IP:
            # interrupt process
            os.write(self.local, IPRESP)
        elif cmd == SB:
            pass
        elif cmd == SE:
            option = self.sbdataq[0]
            if option == NAWS[0]:
                # negotiate window size.
                cols = six.indexbytes(self.sbdataq, 1)
                rows = six.indexbytes(self.sbdataq, 2)
                s = struct.pack('HHHH', rows, cols, 0, 0)
                fcntl.ioctl(self.local, termios.TIOCSWINSZ, s)
        elif cmd == DONT:
            pass
        else:
            pass