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systemd-stable/units/systemd-networkd.socket
Lennart Poettering 43007b302e networkd: clean up NETLINK_PKTINFO vs. SO_PASSCRED confusion
We actually care for NETLINK_PKTINFO, not for SO_PASSCRED, hence when
allocating the netlink socket, configure things accordingly.

Tracked down by Benjamin Robin, see:

https://github.com/systemd/systemd/pull/15571#issuecomment-633213747
2020-05-27 22:40:56 +02:00

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SYSTEMD

# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Network Service Netlink Socket
Documentation=man:systemd-networkd.service(8) man:rtnetlink(7)
ConditionCapability=CAP_NET_ADMIN
DefaultDependencies=no
Before=sockets.target
[Socket]
ReceiveBuffer=128M
ListenNetlink=route 1361
PassPacketInfo=yes
[Install]
WantedBy=sockets.target