Re: Multicast netlink for non-root process

From: Andi Kleen (ak@suse.de)
Date: Tue Jun 11 2002 - 16:02:22 EST


Jean Tourrilhes <jt@bougret.hpl.hp.com> writes:
> The cause is here :
> ----------- net/netlink/af_netlink.c - l322 ------------------
>
> static int netlink_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
> {
> [...]
> /* Only superuser is allowed to listen multicasts */
> if (nladdr->nl_groups && !capable(CAP_NET_ADMIN))
> return -EPERM;
> --------------------------------------------------------------
>
> Why ?

There used to be a reason for it (ask Alexey for details), but it has gone.
It should be safe now to remove it I think.

-Andi

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