def __init__(self, app_name: str):
"""Create a spawned process."""
parser = argparse.ArgumentParser(
description="Run %s through a filtering proxy." % app_name)
parser.add_argument('cmd',
metavar='ARGS',
nargs='+',
help='%s command with arguments' % app_name)
parser.add_argument('-a',
'--address',
metavar='ADDR',
help='A file to dump the side channel UDP port.')
args = parser.parse_args()
self.exitstatus = 0
self.server_address: str = args.address
self.argv = args.cmd
log_handler = logging.NullHandler() if not os.environ.get('CI') \
else logging.FileHandler("proxy.log")
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
handlers=[log_handler])
self.logger = logging.getLogger(type(self).__name__)
self.logger.info("Starting proxy: %s", app_name)
self.sock: Union[socket.socket, None] = None
if self.server_address:
# Create a UDS socket
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sock.bind(('127.0.0.1', 0))
self.sock.settimeout(0.5)
_, port = self.sock.getsockname()
with open(self.server_address, 'w') as f:
f.write(f"{port}")
# Create the filter
self.filter = [(stream_filter.Filter(), lambda _: None)]
# Where was the last command received from?
self.last_addr = None
# Last user command
self.last_command = b''
self.command_buffer = bytearray()
# Spawn the process in a PTY
self.pid, self.master_fd = pty.fork()
if self.pid == pty.CHILD:
try:
os.execvp(self.argv[0], self.argv)
except OSError as e:
sys.stderr.write(f"Failed to launch: {e}\n")
os._exit(1)
def __init__(self, app_name: str):
"""Create a spawned process."""
parser = argparse.ArgumentParser(
description="Run %s through a filtering proxy." % app_name)
parser.add_argument('cmd', metavar='ARGS', nargs='+',
help='%s command with arguments' % app_name)
parser.add_argument('-a', '--address', metavar='ADDR',
help='Local socket to receive commands.')
args = parser.parse_args()
self.server_address: str = args.address
self.argv = args.cmd
log_handler = logging.NullHandler() if not os.environ.get('CI') \
else logging.FileHandler("proxy.log")
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
handlers=[log_handler])
self.logger = logging.getLogger(type(self).__name__)
self.logger.info("Starting proxy: %s", app_name)
self.sock: Union[socket.socket, None] = None
if self.server_address:
# Create a UDS socket
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
self.sock.bind(self.server_address)
self.sock.settimeout(0.5)
# Create the filter
self.filter = [(stream_filter.Filter(), lambda _: None)]
# Where was the last command received from?
self.last_addr = None
# Last user command
self.last_command = b''
self.command_buffer = bytearray()
# Spawn the process in a PTY
pid, self.master_fd = pty.fork()
if pid == pty.CHILD:
os.execvp(self.argv[0], self.argv)
def __init__(self, app_name):
"""Create a spawned process."""
parser = argparse.ArgumentParser(
description="Run %s through a filtering proxy." % app_name)
parser.add_argument('cmd',
metavar='ARGS',
nargs='+',
help='%s command with arguments' % app_name)
parser.add_argument('-a',
'--address',
metavar='ADDR',
help='Local socket to receive commands.')
args = parser.parse_args()
self.server_address = args.address
self.argv = args.cmd
self.logfile = None
# self.logfile = open("/tmp/log.txt", "w")
if self.server_address:
# Create a UDS socket
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
self.sock.bind(self.server_address)
self.sock.settimeout(0.5)
else:
self.sock = None
# Create the filter
self.filter = [(stream_filter.Filter(), lambda _: None)]
# Where was the last command received from?
self.last_addr = None
# Spawn the process in a PTY
pid, self.master_fd = pty.fork()
if pid == pty.CHILD:
os.execvp(self.argv[0], self.argv)