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| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2008-07-19 08:05:40 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-19 08:05:40 +0200 |
| commit | 7dab83de50c7b2b7ceac695a0b56fa6c0f95b0bc (patch) | |
| tree | 979c6905f2ef643acccfea9ab9ed926e764e72c8 /net/sctp/protocol.c | |
| parent | sctp: Prevent uninitialized memory access (diff) | |
| download | linux-7dab83de50c7b2b7ceac695a0b56fa6c0f95b0bc.tar.xz linux-7dab83de50c7b2b7ceac695a0b56fa6c0f95b0bc.zip | |
sctp: Support ipv6only AF_INET6 sockets.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/protocol.c')
| -rw-r--r-- | net/sctp/protocol.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index dd811a8456a8..cdd881142f2c 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -381,6 +381,10 @@ static int sctp_v4_addr_valid(union sctp_addr *addr, struct sctp_sock *sp, const struct sk_buff *skb) { + /* IPv4 addresses not allowed */ + if (sp && ipv6_only_sock(sctp_opt2sk(sp))) + return 0; + /* Is this a non-unicast address or a unusable SCTP address? */ if (IS_IPV4_UNUSABLE_ADDRESS(addr->v4.sin_addr.s_addr)) return 0; @@ -404,6 +408,9 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp) !sysctl_ip_nonlocal_bind) return 0; + if (ipv6_only_sock(sctp_opt2sk(sp))) + return 0; + return 1; } |