Function get_opened_socket

qiling/os/posix/syscall/socket.py:164–183

Retrieve opened socket by its fd index. In case of a error, the appropriate error number is returned.

(os: QlOsPosix, fd: int)

def get_opened_socket(os: QlOsPosix, fd: int) -> Union[ql_socket, int]:
    """Retrieve opened socket by its fd index. In case of a error, the
    appropriate error number is returned.
    """

    # fd out of range?
    if fd not in range(NR_OPEN):
        return -EBADF

    sock = os.fd[fd]

    # not an opened file?
    if sock is None:
        return -EBADF

    # not a socket?
    if not isinstance(sock, ql_socket):
        return -ENOTSOCK

    return sock


def ql_syscall_socket(ql: Qiling, domain: int, socktype: int, protocol: int):