#!/usr/bin/env python

import pipes
import os
import subprocess
import sys

argv = list(sys.argv[1:])
if argv[0].startswith("--proxy="):
    remotehost = argv[0][8:]
    argv = argv[1:]
else:
    remotehost = None
host, parms = argv[0], argv[1:]

path_to_this_file = os.path.dirname(__file__)
path_to_qrun = os.path.join(path_to_this_file, "qrun-bridge")
path_to_qrun = os.path.abspath(path_to_qrun)

if remotehost:
    args = " ".join(pipes.quote(x) for x in parms)
    poop = file(path_to_qrun, "rb").read().encode("hex_codec")
    therest_template = ("test -x ./.qrun-bridge-stub || "
                        "python -c 'import os; file(\"./.qrun-bridge-stub\", \"wb\").write(\"%s\".decode(\"hex_codec\")); os.chmod(\"./.qrun-bridge-stub\", 0700)' || "
                        "exit 127 ;"
                        "export PASS_LOCAL_STDERR=1 ;"
                        "/usr/lib/qubes/qrexec-client-vm %s "
                        "qubes.VMShell ./.qrun-bridge-stub %s")
    therest = therest_template % (poop, host, args)
    cmd = [
        'ssh',
        '-o', 'BatchMode yes',
        remotehost,
        therest,
    ]
else:
    os.environ["PASS_LOCAL_STDERR"] = "1"
    cmd = [
        '/usr/lib/qubes/qrexec-client-vm',
        host,
        'qubes.VMShell',
        path_to_qrun,
    ] + parms

os.execvp(cmd[0], cmd)