1 files changed, 0 insertions, 110 deletions
diff --git a/net/netfilter/xt_tcpmss.c b/net/netfilter/xt_tcpmss.c
deleted file mode 100644
index 4809b34b10f..00000000000
--- a/net/netfilter/xt_tcpmss.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* Kernel module to match TCP MSS values. */
-
-/* Copyright (C) 2000 Marc Boucher <marc@mbsi.ca>
- * Portions (C) 2005 by Harald Welte <laforge@netfilter.org>
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <net/tcp.h>
-
-#include <linux/netfilter/xt_tcpmss.h>
-#include <linux/netfilter/x_tables.h>
-
-#include <linux/netfilter_ipv4/ip_tables.h>
-#include <linux/netfilter_ipv6/ip6_tables.h>
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Marc Boucher <marc@mbsi.ca>");
-MODULE_DESCRIPTION("Xtables: TCP MSS match");
-MODULE_ALIAS("ipt_tcpmss");
-MODULE_ALIAS("ip6t_tcpmss");
-
-static bool
-tcpmss_mt(const struct sk_buff *skb, const struct xt_match_param *par)
-{
-	const struct xt_tcpmss_match_info *info = par->matchinfo;
-	const struct tcphdr *th;
-	struct tcphdr _tcph;
-	/* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */
-	const u_int8_t *op;
-	u8 _opt[15 * 4 - sizeof(_tcph)];
-	unsigned int i, optlen;
-
-	/* If we don't have the whole header, drop packet. */
-	th = skb_header_pointer(skb, par->thoff, sizeof(_tcph), &_tcph);
-	if (th == NULL)
-		goto dropit;
-
-	/* Malformed. */
-	if (th->doff*4 < sizeof(*th))
-		goto dropit;
-
-	optlen = th->doff*4 - sizeof(*th);
-	if (!optlen)
-		goto out;
-
-	/* Truncated options. */
-	op = skb_header_pointer(skb, par->thoff + sizeof(*th), optlen, _opt);
-	if (op == NULL)
-		goto dropit;
-
-	for (i = 0; i < optlen; ) {
-		if (op[i] == TCPOPT_MSS
-		    && (optlen - i) >= TCPOLEN_MSS
-		    && op[i+1] == TCPOLEN_MSS) {
-			u_int16_t mssval;
-
-			mssval = (op[i+2] << 8) | op[i+3];
-
-			return (mssval >= info->mss_min &&
-				mssval <= info->mss_max) ^ info->invert;
-		}
-		if (op[i] < 2)
-			i++;
-		else
-			i += op[i+1] ? : 1;
-	}
-out:
-	return info->invert;
-
-dropit:
-	*par->hotdrop = true;
-	return false;
-}
-
-static struct xt_match tcpmss_mt_reg[] __read_mostly = {
-	{
-		.name		= "tcpmss",
-		.family		= NFPROTO_IPV4,
-		.match		= tcpmss_mt,
-		.matchsize	= sizeof(struct xt_tcpmss_match_info),
-		.proto		= IPPROTO_TCP,
-		.me		= THIS_MODULE,
-	},
-	{
-		.name		= "tcpmss",
-		.family		= NFPROTO_IPV6,
-		.match		= tcpmss_mt,
-		.matchsize	= sizeof(struct xt_tcpmss_match_info),
-		.proto		= IPPROTO_TCP,
-		.me		= THIS_MODULE,
-	},
-};
-
-static int __init tcpmss_mt_init(void)
-{
-	return xt_register_matches(tcpmss_mt_reg, ARRAY_SIZE(tcpmss_mt_reg));
-}
-
-static void __exit tcpmss_mt_exit(void)
-{
-	xt_unregister_matches(tcpmss_mt_reg, ARRAY_SIZE(tcpmss_mt_reg));
-}
-
-module_init(tcpmss_mt_init);
-module_exit(tcpmss_mt_exit);