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import argparse
import json
import os
import pity
import shutil
import socket
import sys
class Client(object):
def __init__(self, host, port, username, password):
self.host = host
self.port = port
self.username = username
self.password = password
def run(self, argv):
sock = socket.socket()
sock.connect((self.host, self.port))
sock.send(self._build_connection_string())
pity.spawn(
argv,
lambda fd: self._master_read(fd, sock),
handle_window_size=True
)
def _master_read(self, fd, sock):
data = os.read(fd, 1024)
sock.send(data)
return data
def _build_connection_string(self):
auth = (
b'hello ' +
self.username.encode('utf-8') +
b' ' +
self.password.encode('utf-8') +
b'\n'
)
size = shutil.get_terminal_size()
metadata = self._build_metadata_string({
"geometry": [ size.columns, size.lines ],
})
return auth + metadata
def _build_metadata_string(self, data):
return b'\033]499;' + json.dumps(data).encode('utf-8') + b'\007'
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--host', default="noway.ratry.ru")
parser.add_argument('--port', type=int, default=31337)
parser.add_argument('--username', default=os.getenv("USER"))
parser.add_argument('--password', default="asdf")
parser.add_argument(
'command',
nargs=argparse.REMAINDER,
)
args = parser.parse_args(sys.argv[1:])
client = Client(
host=args.host,
port=args.port,
username=args.username,
password=args.password,
)
command = args.command
if len(args.command) < 1:
command = os.getenv("SHELL", default="/bin/sh")
client.run(command)
|
