81 lines
2.2 KiB
Python
Executable File
81 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
# Copyright 2020 BMW Group
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import argparse
|
|
import os
|
|
import subprocess
|
|
|
|
|
|
def main():
|
|
pos_args = {
|
|
'--dir': 1,
|
|
'--tmpfs': 1,
|
|
'--ro-bind': 2,
|
|
'--bind': 2,
|
|
'--chdir': 1,
|
|
'--uid': 1,
|
|
'--gid': 1,
|
|
'--file': 2,
|
|
'--proc': 1,
|
|
'--dev': 1,
|
|
}
|
|
bool_args = [
|
|
'--unshare-all',
|
|
'--unshare-user',
|
|
'--unshare-user-try',
|
|
'--unshare-ipc',
|
|
'--unshare-pid',
|
|
'--unshare-net',
|
|
'--unshare-uts',
|
|
'--unshare-cgroup',
|
|
'--unshare-cgroup-try',
|
|
'--share-net',
|
|
'--die-with-parent',
|
|
]
|
|
parser = argparse.ArgumentParser()
|
|
for arg, nargs in pos_args.items():
|
|
parser.add_argument(arg, nargs=nargs, action='append')
|
|
for arg in bool_args:
|
|
parser.add_argument(arg, action='store_true')
|
|
parser.add_argument('args', metavar='args', nargs=argparse.REMAINDER,
|
|
help='Command')
|
|
|
|
args = parser.parse_args()
|
|
|
|
for fd, path in args.file:
|
|
fd = int(fd)
|
|
if path.startswith('/etc'):
|
|
# Ignore write requests to /etc
|
|
continue
|
|
print('Writing file from %s to %s' % (fd, path))
|
|
count = 0
|
|
with open(path, 'wb') as output:
|
|
data = os.read(fd, 32000)
|
|
while data:
|
|
count += len(data)
|
|
output.write(data)
|
|
data = os.read(fd, 32000)
|
|
print('Wrote file (%s bytes)' % count)
|
|
|
|
if args.chdir:
|
|
os.chdir(args.chdir[0][0])
|
|
result = subprocess.run(args.args, shell=False, check=False)
|
|
exit(result.returncode)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|