98 lines
2.7 KiB
Python
98 lines
2.7 KiB
Python
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# Copyright (C) 2003-2007 Robey Pointer <robey@lag.net>
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#
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# This file is part of paramiko.
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#
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# Paramiko is free software; you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation; either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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from __future__ import print_function
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import socket
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import sys
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# windows does not have termios...
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try:
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import termios
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import tty
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has_termios = True
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except ImportError:
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has_termios = False
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def interactive_shell(chan):
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if has_termios:
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posix_shell(chan)
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else:
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windows_shell(chan)
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def posix_shell(chan):
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import select
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oldtty = termios.tcgetattr(sys.stdin)
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try:
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tty.setraw(sys.stdin.fileno())
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tty.setcbreak(sys.stdin.fileno())
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chan.settimeout(0.0)
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while True:
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r, w, e = select.select([chan, sys.stdin], [], [])
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if chan in r:
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try:
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x = chan.recv(1024)
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if len(x) == 0:
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print('\r\n*** EOF\r\n', end=' ')
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break
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sys.stdout.write(x)
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sys.stdout.flush()
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except socket.timeout:
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pass
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if sys.stdin in r:
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x = sys.stdin.read(1)
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if len(x) == 0:
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break
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chan.send(x)
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finally:
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termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty)
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# thanks to Mike Looijmans for this code
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def windows_shell(chan):
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import threading
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sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n")
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def writeall(sock):
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while True:
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data = sock.recv(256)
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if not data:
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sys.stdout.write('\r\n*** EOF ***\r\n\r\n')
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sys.stdout.flush()
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break
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sys.stdout.write(data)
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sys.stdout.flush()
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writer = threading.Thread(target=writeall, args=(chan,))
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writer.start()
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try:
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while True:
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d = sys.stdin.read(1)
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if not d:
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break
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chan.send(d)
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except EOFError:
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# user hit ^Z or F6
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pass
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