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| author | Xin Long <lucien.xin@gmail.com> | 2016-07-22 17:38:51 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-07-25 10:46:04 -0700 |
| commit | 9b97420228881e839b76c8a4506da3cb187bf004 (patch) | |
| tree | 181d0fed0f0af679f560e8c5058ede0d0dd01534 /net/sctp/ipv6.c | |
| parent | da54bb13c02660544c286e7922b2ec660e5b1e77 (diff) | |
| download | lwn-9b97420228881e839b76c8a4506da3cb187bf004.tar.gz lwn-9b97420228881e839b76c8a4506da3cb187bf004.zip | |
sctp: support ipv6 nonlocal bind
This patch makes sctp support ipv6 nonlocal bind by adding
sp->inet.freebind and net->ipv6.sysctl.ip_nonlocal_bind
check in sctp_v6_available as what sctp did to support
ipv4 nonlocal bind (commit cdac4e077489).
Reported-by: Shijoe George <spanjikk@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/ipv6.c')
| -rw-r--r-- | net/sctp/ipv6.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index ae6f1a2178ba..660c4a4cac31 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -560,6 +560,7 @@ static int sctp_v6_is_any(const union sctp_addr *addr) static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) { int type; + struct net *net = sock_net(&sp->inet.sk); const struct in6_addr *in6 = (const struct in6_addr *)&addr->v6.sin6_addr; type = ipv6_addr_type(in6); @@ -574,7 +575,8 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) if (!(type & IPV6_ADDR_UNICAST)) return 0; - return ipv6_chk_addr(sock_net(&sp->inet.sk), in6, NULL, 0); + return sp->inet.freebind || net->ipv6.sysctl.ip_nonlocal_bind || + ipv6_chk_addr(net, in6, NULL, 0); } /* This function checks if the address is a valid address to be used for |