This also relaxes the inode access modes a bit, in case they were set to
0600: we now set the "r" bit too, i.e. use 0644. This is beneficial
since it permits unpriv code to read the xattrs of the entrypoints
(which require read access). Note that in order to be able to connect()
to a socket inode you need write access, hence this shouldn't compromise
security in any way.
The Synchronize() function is just too useful for clients, so that we
can make "systemd-run -v --user" actually useful. Hence let's make the
socket accessible without privs. Deny most method calls however, except
for the Synchronize() call.
If we have exit on idle, then operations such as "journalctl
--namespace=foo --rotate" should work even if the journal daemon is
currently not running.
(Note that we don't do activation by varlink for the main instance of
journald, I am not sure the deadlocks it might introduce are worth it)
Lennart Poettering
Lennart Poettering
Yu Watanabe