Lennart Poettering a79279c7fd core: when creating the socket fds for a socket unit, join socket's cgroup first
Let's make sure that a socket unit's IPAddressAllow=/IPAddressDeny=
settings are in effect on all socket fds associated with it. In order to
make this happen we need to make sure the cgroup the fds are associated
with are the socket unit's cgroup. The only way to do that is invoking
socket()+accept() in them. Since we really don't want to migrate PID 1
around we do this by forking off a helper process, which invokes
socket()/accept() and sends the newly created fd to PID 1. Ugly, but
works, and there's apparently no better way right now.

This generalizes forking off per-unit helper processes in a new function
unit_fork_helper_process(), which is then also used by the NSS chown()
code of socket units.
2017-09-22 15:24:55 +02:00
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2017-08-28 18:24:09 +02:00
2017-09-15 21:28:24 +02:00
2017-07-24 10:41:45 +02:00
2015-08-31 18:12:37 +02:00
2015-06-03 00:22:53 +02:00
2017-07-18 10:05:06 -04:00
2016-10-06 11:53:58 -04:00

systemd - System and Service Manager

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