IPVS: Turn off FTP application helper for IPv6
Immediately return from FTP application helper and do nothing when dealing with IPv6 packets. IPv6 is not supported by this helper yet. Signed-off-by: Julius Volz <juliusv@google.com> Signed-off-by: Simon Horman <horms@verge.net.au>
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@ -147,6 +147,14 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
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unsigned buf_len;
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int ret;
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#ifdef CONFIG_IP_VS_IPV6
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/* This application helper doesn't work with IPv6 yet,
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* so turn this into a no-op for IPv6 packets
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*/
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if (cp->af == AF_INET6)
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return 1;
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#endif
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*diff = 0;
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/* Only useful for established sessions */
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@ -248,6 +256,14 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
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__be16 port;
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struct ip_vs_conn *n_cp;
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#ifdef CONFIG_IP_VS_IPV6
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/* This application helper doesn't work with IPv6 yet,
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* so turn this into a no-op for IPv6 packets
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*/
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if (cp->af == AF_INET6)
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return 1;
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#endif
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/* no diff required for incoming packets */
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*diff = 0;
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