From: Ben Hutchings <ben.hutchings@codethink.co.uk>
To: Florian Weimer <fweimer@redhat.com>, libc-alpha@sourceware.org
Subject: Re: [PATCH] Linux: Implement opensock using Netlink sockets
Date: Mon, 18 Jun 2018 16:47:00 -0000 [thread overview]
Message-ID: <1529340418.2289.267.camel@codethink.co.uk> (raw)
In-Reply-To: <20180618105015.5E8B340292859@oldenburg.str.redhat.com>
On Mon, 2018-06-18 at 12:50 +0200, Florian Weimer wrote:
> inet/tst-inet6_scopeid_pton uses __opensock indirectly, to call ioctl
> with SIOCGIFINDEX, and it still works after this change.
>
> 2018-06-18  Florian Weimer  <fweimer@redhat.com>
>
> * sysdeps/unix/sysv/linux/opensock.c (__opensock): Unconditionally
> return a Netlink socket.
> * sysdeps/unix/sysv/linux/s390/opensock.c: Remove file.
[...]
I agree that we can assume the kernel implements AF_NETLINK, but the
available socket address families might be restricted by a security
policy (e.g. systemd's RestrictAddressFamilies property). I'm not sure
whether it's safe to assume that they will always allow AF_NETLINK.
Ben.
--
Ben Hutchings, Software Developer  Codethink Ltd
https://www.codethink.co.uk/ Dale House, 35 Dale Street
Manchester, M1 2HF, United Kingdom
next prev parent reply other threads:[~2018-06-18 16:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-18 10:50 Florian Weimer
2018-06-18 13:57 ` Adhemerval Zanella
2018-06-18 14:25 ` Florian Weimer
2018-06-18 17:09 ` Adhemerval Zanella
2018-06-18 17:11 ` Florian Weimer
2018-06-18 17:17 ` Adhemerval Zanella
2018-06-18 17:28 ` Florian Weimer
2018-06-18 16:47 ` Ben Hutchings [this message]
2018-06-18 17:13 ` Florian Weimer
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