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import os
import socket
from contextlib import suppress

from defence360agent.utils import run_with_umask


def create_unix_socket(path: str, dir_mode: int, sock_mode: int,
                       uid: int = 0, gid: int = 0):
    """Creates a unix socket at specified path. Returns bound socket object.

    Directories in path are automatically created with mode dir_mode.
    Socket file mode is set to sock_mode. Socket ownership is set to uid
    and gid (defaults to 0 - root)"""
    with run_with_umask(0):
        os.makedirs(os.path.dirname(path), mode=dir_mode, exist_ok=True)
    with suppress(FileNotFoundError):
        os.unlink(path)
    sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
    sock.bind(path)
    if uid != 0 or gid != 0:
        os.chown(path, uid, gid)
    os.chmod(path, sock_mode)
    return sock

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