From bc76594d91f3953d676201e3f06534338ab01524 Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Thu, 3 Feb 2011 11:44:27 +0100
Subject: Reorganized kernel/ subdir

The kernel/ subdirectory is reorganized to follow the kernel directory
structure.
---
 kernel/ip_set_getport.c | 141 ------------------------------------------------
 1 file changed, 141 deletions(-)
 delete mode 100644 kernel/ip_set_getport.c

(limited to 'kernel/ip_set_getport.c')

diff --git a/kernel/ip_set_getport.c b/kernel/ip_set_getport.c
deleted file mode 100644
index 8d52272..0000000
--- a/kernel/ip_set_getport.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/* Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/* Get Layer-4 data from the packets */
-
-#include <linux/ip.h>
-#include <linux/skbuff.h>
-#include <linux/icmp.h>
-#include <linux/icmpv6.h>
-#include <linux/netfilter_ipv6/ip6_tables.h>
-#include <net/ip.h>
-#include <net/ipv6.h>
-
-#include <linux/netfilter/ipset/ip_set_getport.h>
-
-/* We must handle non-linear skbs */
-static bool
-get_port(const struct sk_buff *skb, int protocol, unsigned int protooff,
-	 bool src, __be16 *port, u8 *proto)
-{
-	switch (protocol) {
-	case IPPROTO_TCP: {
-		struct tcphdr _tcph;
-		const struct tcphdr *th;
-
-		th = skb_header_pointer(skb, protooff, sizeof(_tcph), &_tcph);
-		if (th == NULL)
-			/* No choice either */
-			return false;
-
-		*port = src ? th->source : th->dest;
-		break;
-	}
-	case IPPROTO_UDP: {
-		struct udphdr _udph;
-		const struct udphdr *uh;
-
-		uh = skb_header_pointer(skb, protooff, sizeof(_udph), &_udph);
-		if (uh == NULL)
-			/* No choice either */
-			return false;
-
-		*port = src ? uh->source : uh->dest;
-		break;
-	}
-	case IPPROTO_ICMP: {
-		struct icmphdr _ich;
-		const struct icmphdr *ic;
-
-		ic = skb_header_pointer(skb, protooff, sizeof(_ich), &_ich);
-		if (ic == NULL)
-			return false;
-
-		*port = (__force __be16)htons((ic->type << 8) | ic->code);
-		break;
-	}
-	case IPPROTO_ICMPV6: {
-		struct icmp6hdr _ich;
-		const struct icmp6hdr *ic;
-
-		ic = skb_header_pointer(skb, protooff, sizeof(_ich), &_ich);
-		if (ic == NULL)
-			return false;
-
-		*port = (__force __be16)
-			htons((ic->icmp6_type << 8) | ic->icmp6_code);
-		break;
-	}
-	default:
-		break;
-	}
-	*proto = protocol;
-
-	return true;
-}
-
-bool
-ip_set_get_ip4_port(const struct sk_buff *skb, bool src,
-		    __be16 *port, u8 *proto)
-{
-	const struct iphdr *iph = ip_hdr(skb);
-	unsigned int protooff = ip_hdrlen(skb);
-	int protocol = iph->protocol;
-
-	/* See comments at tcp_match in ip_tables.c */
-	if (protocol <= 0 || (ntohs(iph->frag_off) & IP_OFFSET))
-		return false;
-
-	return get_port(skb, protocol, protooff, src, port, proto);
-}
-EXPORT_SYMBOL_GPL(ip_set_get_ip4_port);
-
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
-bool
-ip_set_get_ip6_port(const struct sk_buff *skb, bool src,
-		    __be16 *port, u8 *proto)
-{
-	int protoff;
-	u8 nexthdr;
-
-	nexthdr = ipv6_hdr(skb)->nexthdr;
-	protoff = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr);
-	if (protoff < 0)
-		return false;
-
-	return get_port(skb, nexthdr, protoff, src, port, proto);
-}
-EXPORT_SYMBOL_GPL(ip_set_get_ip6_port);
-#endif
-
-bool
-ip_set_get_ip_port(const struct sk_buff *skb, u8 pf, bool src, __be16 *port)
-{
-	bool ret;
-	u8 proto;
-
-	switch (pf) {
-	case AF_INET:
-		ret = ip_set_get_ip4_port(skb, src, port, &proto);
-		break;
-	case AF_INET6:
-		ret = ip_set_get_ip6_port(skb, src, port, &proto);
-		break;
-	default:
-		return false;
-	}
-	if (!ret)
-		return ret;
-	switch (proto) {
-	case IPPROTO_TCP:
-	case IPPROTO_UDP:
-		return true;
-	default:
-		return false;
-	}
-}
-EXPORT_SYMBOL_GPL(ip_set_get_ip_port);
-- 
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