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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 cdac4e0774
).
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>
This commit is contained in:
parent
da54bb13c0
commit
9b97420228
1 changed files with 3 additions and 1 deletions
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@ -560,6 +560,7 @@ static int sctp_v6_is_any(const union sctp_addr *addr)
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static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
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{
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int type;
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struct net *net = sock_net(&sp->inet.sk);
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const struct in6_addr *in6 = (const struct in6_addr *)&addr->v6.sin6_addr;
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type = ipv6_addr_type(in6);
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@ -574,7 +575,8 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
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if (!(type & IPV6_ADDR_UNICAST))
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return 0;
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return ipv6_chk_addr(sock_net(&sp->inet.sk), in6, NULL, 0);
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return sp->inet.freebind || net->ipv6.sysctl.ip_nonlocal_bind ||
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ipv6_chk_addr(net, in6, NULL, 0);
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}
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/* This function checks if the address is a valid address to be used for
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