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Commit 9b974202 authored by Xin Long's avatar Xin Long Committed by David S. Miller
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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 cdac4e07).

Reported-by: default avatarShijoe George <spanjikk@redhat.com>
Signed-off-by: default avatarXin Long <lucien.xin@gmail.com>
Acked-by: default avatarMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent da54bb13

net/sctp/ipv6.c

+3 −1
Original line number Diff line number Diff line
@@ -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