sock_diag: allow to dump bpf filters
authorNicolas Dichtel <nicolas.dichtel@6wind.com>
Thu, 25 Apr 2013 06:53:54 +0000 (06:53 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Apr 2013 17:21:30 +0000 (13:21 -0400)
commite8d9612c181b1a68ba5f71384629343466f1bd13
tree16093300e9da78c1c3e272283ae4886d7b3984e8
parent76d0eeb1a1579453cfd7c4da22004d4b34187ab4
sock_diag: allow to dump bpf filters

This patch allows to dump BPF filters attached to a socket with
SO_ATTACH_FILTER.
Note that we check CAP_SYS_ADMIN before allowing to dump this info.

For now, only AF_PACKET sockets use this feature.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/sock_diag.h
include/uapi/linux/packet_diag.h
net/core/sock_diag.c
net/packet/diag.c