trezor-agent/sshagent/trezor_agent.py
2015-07-04 09:23:36 +03:00

49 lines
1.4 KiB
Python

import os
import sys
import argparse
from . import trezor
from . import server
from . import formats
import logging
log = logging.getLogger(__name__)
def main():
fmt = '%(asctime)s %(levelname)-12s %(message)-100s [%(filename)s:%(lineno)d]'
p = argparse.ArgumentParser()
g = p.add_mutually_exclusive_group()
g.add_argument('-v', '--verbose', default=0, action='count')
g.add_argument('-q', '--quiet', default=False, action='store_true')
p.add_argument('identity', type=str,
help='proto://[user@]host[:port][/path]')
p.add_argument('command', type=str, nargs='*',
help='command to run under the SSH agent')
args = p.parse_args()
loglevel = logging.INFO
if args.verbose:
loglevel = logging.DEBUG
if args.quiet:
loglevel = logging.WARNING
logging.basicConfig(level=loglevel, format=fmt)
with trezor.Client(factory=trezor.TrezorLibrary) as client:
public_keys = [client.get_public_key(i) for i in args.identity]
command = args.command
if not command:
command = os.environ['SHELL']
log.info('using %r shell', command)
signer = client.sign_ssh_challenge
try:
with server.serve(public_keys=public_keys, signer=signer) as env:
return server.run_process(command=command, environ=env)
except KeyboardInterrupt:
log.info('server stopped')