netfilter: nf_nat: support IPv6 in amanda NAT helper

Signed-off-by: Patrick McHardy <kaber@trash.net>

3 files changed, 0 insertions, 91 deletions

diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 8c6c6920b57a..52c4a87007aa 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -231,11 +231,6 @@ config NF_NAT_TFTP
 	depends on NF_CONNTRACK && NF_NAT_IPV4
 	default NF_NAT_IPV4 && NF_CONNTRACK_TFTP
 
-config NF_NAT_AMANDA
-	tristate
-	depends on NF_CONNTRACK && NF_NAT_IPV4
-	default NF_NAT_IPV4 && NF_CONNTRACK_AMANDA
-
 config NF_NAT_PPTP
 	tristate
 	depends on NF_CONNTRACK && NF_NAT_IPV4
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 4d8a4ad7816e..8baa496f6a4e 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -20,7 +20,6 @@ obj-$(CONFIG_NF_NAT_IPV4) += nf_nat_ipv4.o
 obj-$(CONFIG_NF_DEFRAG_IPV4) += nf_defrag_ipv4.o
 
 # NAT helpers (nf_conntrack)
-obj-$(CONFIG_NF_NAT_AMANDA) += nf_nat_amanda.o
 obj-$(CONFIG_NF_NAT_H323) += nf_nat_h323.o
 obj-$(CONFIG_NF_NAT_IRC) += nf_nat_irc.o
 obj-$(CONFIG_NF_NAT_PPTP) += nf_nat_pptp.o
diff --git a/net/ipv4/netfilter/nf_nat_amanda.c b/net/ipv4/netfilter/nf_nat_amanda.c
deleted file mode 100644
index 42d337881171..000000000000
--- a/net/ipv4/netfilter/nf_nat_amanda.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Amanda extension for TCP NAT alteration.
- * (C) 2002 by Brian J. Murrell <netfilter@interlinx.bc.ca>
- * based on a copy of HW's ip_nat_irc.c as well as other modules
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/udp.h>
-
-#include <net/netfilter/nf_conntrack_helper.h>
-#include <net/netfilter/nf_conntrack_expect.h>
-#include <net/netfilter/nf_nat_helper.h>
-#include <linux/netfilter/nf_conntrack_amanda.h>
-
-MODULE_AUTHOR("Brian J. Murrell <netfilter@interlinx.bc.ca>");
-MODULE_DESCRIPTION("Amanda NAT helper");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("ip_nat_amanda");
-
-static unsigned int help(struct sk_buff *skb,
-			 enum ip_conntrack_info ctinfo,
-			 unsigned int protoff,
-			 unsigned int matchoff,
-			 unsigned int matchlen,
-			 struct nf_conntrack_expect *exp)
-{
-	char buffer[sizeof("65535")];
-	u_int16_t port;
-	unsigned int ret;
-
-	/* Connection comes from client. */
-	exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port;
-	exp->dir = IP_CT_DIR_ORIGINAL;
-
-	/* When you see the packet, we need to NAT it the same as the
-	 * this one (ie. same IP: it will be TCP and master is UDP). */
-	exp->expectfn = nf_nat_follow_master;
-
-	/* Try to get same port: if not, try to change it. */
-	for (port = ntohs(exp->saved_proto.tcp.port); port != 0; port++) {
-		int res;
-
-		exp->tuple.dst.u.tcp.port = htons(port);
-		res = nf_ct_expect_related(exp);
-		if (res == 0)
-			break;
-		else if (res != -EBUSY) {
-			port = 0;
-			break;
-		}
-	}
-
-	if (port == 0)
-		return NF_DROP;
-
-	sprintf(buffer, "%u", port);
-	ret = nf_nat_mangle_udp_packet(skb, exp->master, ctinfo,
-				       protoff, matchoff, matchlen,
-				       buffer, strlen(buffer));
-	if (ret != NF_ACCEPT)
-		nf_ct_unexpect_related(exp);
-	return ret;
-}
-
-static void __exit nf_nat_amanda_fini(void)
-{
-	RCU_INIT_POINTER(nf_nat_amanda_hook, NULL);
-	synchronize_rcu();
-}
-
-static int __init nf_nat_amanda_init(void)
-{
-	BUG_ON(nf_nat_amanda_hook != NULL);
-	RCU_INIT_POINTER(nf_nat_amanda_hook, help);
-	return 0;
-}
-
-module_init(nf_nat_amanda_init);
-module_exit(nf_nat_amanda_fini);