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rtnetlink: add restricted rtnl groups for ipv4 and ipv6 mroute

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Add RTNLGRP_{IPV4,IPV6}_MROUTE_R as two new restricted groups for the
NETLINK_ROUTE family.
Binding to these groups specifically requires CAP_NET_ADMIN to allow
multicast of sensitive messages (e.g. mroute cache reports).

Suggested-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Julien Gomes <julien@arista.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julien Gomes
2017-06-20 13:54:16 -07:00
committed by David S. Miller
parent 94df30a652
commit 5f729eaabe
2 changed files with 17 additions and 0 deletions
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4
include/uapi/linux/rtnetlink.h
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@@ -669,6 +669,10 @@ enum rtnetlink_groups {
#define RTNLGRP_NSID RTNLGRP_NSID
RTNLGRP_MPLS_NETCONF,
#define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF
RTNLGRP_IPV4_MROUTE_R,
#define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R
RTNLGRP_IPV6_MROUTE_R,
#define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R
__RTNLGRP_MAX
};
#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)