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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-11-28 06:59
test	[ DIR ]	drwxr-xr-x	2024-11-28 06:59
__init__.py	124 B	-rw-r--r--	2022-02-07 13:12
inetd.py	1.97 KB	-rw-r--r--	2022-02-07 13:12
inetdconf.py	4.93 KB	-rw-r--r--	2022-02-07 13:12
inetdtap.py	3.45 KB	-rw-r--r--	2022-02-07 13:12
procmon.py	13.14 KB	-rw-r--r--	2022-02-07 13:12
procmontap.py	2.44 KB	-rw-r--r--	2022-02-07 13:12

Rename

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Twisted inetd.

Maintainer: Andrew Bennetts

Future Plans: Bugfixes.  Specifically for UDP and Sun-RPC, which don't work
correctly yet.
"""

import os

from twisted.internet import fdesc, process, reactor
from twisted.internet.protocol import Protocol, ServerFactory
from twisted.protocols import wire

# A dict of known 'internal' services (i.e. those that don't involve spawning
# another process.
internalProtocols = {
    "echo": wire.Echo,
    "chargen": wire.Chargen,
    "discard": wire.Discard,
    "daytime": wire.Daytime,
    "time": wire.Time,
}

class InetdProtocol(Protocol):
    """Forks a child process on connectionMade, passing the socket as fd 0."""

def connectionMade(self):
        sockFD = self.transport.fileno()
        childFDs = {0: sockFD, 1: sockFD}
        if self.factory.stderrFile:
            childFDs[2] = self.factory.stderrFile.fileno()

# processes run by inetd expect blocking sockets
        # FIXME: maybe this should be done in process.py?  are other uses of
        #        Process possibly affected by this?
        fdesc.setBlocking(sockFD)
        if 2 in childFDs:
            fdesc.setBlocking(childFDs[2])

service = self.factory.service
        uid = service.user
        gid = service.group

# don't tell Process to change our UID/GID if it's what we
        # already are
        if uid == os.getuid():
            uid = None
        if gid == os.getgid():
            gid = None

process.Process(
            None,
            service.program,
            service.programArgs,
            os.environ,
            None,
            None,
            uid,
            gid,
            childFDs,
        )

reactor.removeReader(self.transport)
        reactor.removeWriter(self.transport)

class InetdFactory(ServerFactory):
    protocol = InetdProtocol
    stderrFile = None

def __init__(self, service):
        self.service = service