Re: [PATCH] SO_ORIGINAL_DST for getsockopt() in SCTP

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Rafael Laufer wrote:
> David Miller wrote:
>> Thunderbird has severely mangled your patch beyond usability.
>>
>> Please read Documentation/email-clients.txt in the kernel sources.
> 
> Trying again:
> 
> 
> diff -rup linux-2.6.28.orig/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c linux-2.6.28/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
> --- linux-2.6.28.orig/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c	2008-12-24 15:26:37.000000000 -0800
> +++ linux-2.6.28/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c	2009-07-02 17:07:09.000000000 -0700
> @@ -258,11 +258,11 @@ getorigdst(struct sock *sk, int optval, 
>  	tuple.dst.u3.ip = inet->daddr;
>  	tuple.dst.u.tcp.port = inet->dport;
>  	tuple.src.l3num = PF_INET;
> -	tuple.dst.protonum = IPPROTO_TCP;
> +	tuple.dst.protonum = sk->sk_protocol;
>  
> -	/* We only do TCP at the moment: is there a better way? */
> -	if (strcmp(sk->sk_prot->name, "TCP")) {
> -		pr_debug("SO_ORIGINAL_DST: Not a TCP socket\n");
> +	/* We only do TCP and SCTP at the moment: is there a better way? */
> +	if ((sk->sk_protocol != IPPROTO_TCP) && (sk->sk_protocol != IPPROTO_SCTP)) {
> +		pr_debug("SO_ORIGINAL_DST: Not a TCP/SCTP socket\n");
>  		return -ENOPROTOOPT;
>  	}

Applied with minor stylistic changes.
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