golden hour

/lib/python3.9/site-packages/cockpit/_vendor/ferny

File/Folder	Size	Actions
__init__.py	1.34 KB
__pycache__	-
askpass.py	76 B
interaction_agent.py	15.43 KB
interaction_client.py	1.08 KB
py.typed	0 B
session.py	7.47 KB
ssh_askpass.py	6.7 KB
ssh_errors.py	4.73 KB
transport.py	16.51 KB

Edit: interaction_client.py

#!/usr/bin/python3

import array
import io
import os
import socket
import sys
from typing import Sequence

def command(stderr_fd: int, command: str, *args: object, fds: Sequence[int] = ()) -> None:
    cmd_read, cmd_write = [io.open(*end) for end in zip(os.pipe(), 'rw')]

with cmd_write:
        with cmd_read:
            with socket.fromfd(stderr_fd, socket.AF_UNIX, socket.SOCK_STREAM) as sock:
                fd_array = array.array('i', (cmd_read.fileno(), *fds))
                sock.sendmsg([b'\0'], [(socket.SOL_SOCKET, socket.SCM_RIGHTS, fd_array)])

cmd_write.write(repr((command, args)))

def askpass(stderr_fd: int, stdout_fd: int, args: 'list[str]', env: 'dict[str, str]') -> int:
    ours, theirs = socket.socketpair()

with theirs:
        command(stderr_fd, 'ferny.askpass', args, env, fds=(theirs.fileno(), stdout_fd))

with ours:
        return int(ours.recv(16) or b'1')

def main() -> None:
    if len(sys.argv) == 1:
        command(2, 'ferny.end', [])
    else:
        sys.exit(askpass(2, 1, sys.argv, dict(os.environ)))

if __name__ == '__main__':
    main()