- bump version to 2.4.9

1 files changed, 131 insertions, 0 deletions

diff --git a/package/openswan/linux-2.6.22.6-openswan-2.4.9.kernel-2.6-natt.patch b/package/openswan/linux-2.6.22.6-openswan-2.4.9.kernel-2.6-natt.patch
new file mode 100644
index 000000000..7b29e6c1a
--- /dev/null
+++ b/package/openswan/linux-2.6.22.6-openswan-2.4.9.kernel-2.6-natt.patch
@@ -0,0 +1,131 @@
+diff -rdupN linux-2.6.22.6.oorig/include/net/xfrmudp.h linux-2.6.22.6/include/net/xfrmudp.h
+--- linux-2.6.22.6.oorig/include/net/xfrmudp.h	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.22.6/include/net/xfrmudp.h	2007-09-17 06:10:19.000000000 +0200
+@@ -0,0 +1,10 @@
++/*
++ * pointer to function for type that xfrm4_input wants, to permit
++ * decoupling of XFRM from udp.c
++ */
++#define HAVE_XFRM4_UDP_REGISTER
++
++typedef int (*xfrm4_rcv_encap_t)(struct sk_buff *skb, __u16 encap_type);
++extern int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
++				      , xfrm4_rcv_encap_t *oldfunc);
++extern int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func);
+diff -rdupN linux-2.6.22.6.oorig/net/ipv4/Kconfig linux-2.6.22.6/net/ipv4/Kconfig
+--- linux-2.6.22.6.oorig/net/ipv4/Kconfig	2007-08-31 08:21:01.000000000 +0200
++++ linux-2.6.22.6/net/ipv4/Kconfig	2007-09-17 06:13:08.000000000 +0200
+@@ -362,6 +360,15 @@ config SYN_COOKIES
+ 
+ 	  If unsure, say N.
+ 
++config IPSEC_NAT_TRAVERSAL
++	bool "IPSEC NAT-Traversal (KLIPS compatible)"
++	depends on INET
++	---help---
++          Includes support for RFC3947/RFC3948 NAT-Traversal of ESP over UDP.
++
++	  server is really overloaded. If this happens frequently better turn
++	  them off.
++
+ config INET_AH
+ 	tristate "IP: AH transformation"
+ 	select XFRM
+diff -rdupN linux-2.6.22.6.oorig/net/ipv4/udp.c linux-2.6.22.6/net/ipv4/udp.c
+--- linux-2.6.22.6.oorig/net/ipv4/udp.c	2007-08-31 08:21:01.000000000 +0200
++++ linux-2.6.22.6/net/ipv4/udp.c	2007-09-17 06:10:19.000000000 +0200
+@@ -108,6 +108,7 @@
+  */
+ 
+ DEFINE_SNMP_STAT(struct udp_mib, udp_statistics) __read_mostly;
++#include <net/xfrmudp.h>
+ 
+ struct hlist_head udp_hash[UDP_HTABLE_SIZE];
+ DEFINE_RWLOCK(udp_hash_lock);
+@@ -919,6 +920,44 @@ int udp_disconnect(struct sock *sk, int 
+ 	return 0;
+ }
+ 
++#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
++
++/* if XFRM isn't a module, then register it directly. */
++#if !defined(CONFIG_XFRM_MODULE) 
++static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = xfrm4_rcv_encap;
++#else
++static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = NULL;
++#endif
++
++static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
++
++int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
++			       , xfrm4_rcv_encap_t *oldfunc)
++{
++  if(oldfunc != NULL) {
++    *oldfunc = xfrm4_rcv_encap_func;
++  }
++
++#if 0
++  if(xfrm4_rcv_encap_func != NULL)
++    return -1;
++#endif
++
++  xfrm4_rcv_encap_func = func;
++  return 0;
++}
++
++int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func)
++{
++  if(xfrm4_rcv_encap_func != func)
++    return -1;
++
++  xfrm4_rcv_encap_func = NULL;
++  return 0;
++}
++#endif /* CONFIG_XFRM || defined(CONFIG_IPSEC_NAT_TRAVERSAL)*/
++
++
+ /* return:
+  * 	1  if the UDP system should process it
+  *	0  if we should drop this packet
+@@ -926,9 +965,9 @@ int udp_disconnect(struct sock *sk, int 
+  */
+ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
+ {
+-#ifndef CONFIG_XFRM
++#if !defined(CONFIG_XFRM) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
+ 	return 1;
+-#else
++#else /* either CONFIG_XFRM or CONFIG_IPSEC_NAT_TRAVERSAL */
+ 	struct udp_sock *up = udp_sk(sk);
+ 	struct udphdr *uh;
+ 	struct iphdr *iph;
+@@ -1056,10 +1095,14 @@ int udp_queue_rcv_skb(struct sock * sk, 
+ 			return 0;
+ 		}
+ 		if (ret < 0) {
+-			/* process the ESP packet */
+-			ret = xfrm4_rcv_encap(skb, up->encap_type);
+-			UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS, up->pcflag);
+-			return -ret;
++ 			if(xfrm4_rcv_encap_func != NULL) {
++ 			  ret = (*xfrm4_rcv_encap_func)(skb, up->encap_type);
++ 			  UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS);
++ 			} else {
++ 			  UDP_INC_STATS_BH(UDP_MIB_INERRORS);
++ 			  ret = 1;
++ 			}
++			return ret;
+ 		}
+ 		/* FALLTHROUGH -- it's a UDP Packet */
+ 	}
+@@ -1742,3 +1785,9 @@ EXPORT_SYMBOL(udp_poll);
+ EXPORT_SYMBOL(udp_proc_register);
+ EXPORT_SYMBOL(udp_proc_unregister);
+ #endif
++
++#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
++EXPORT_SYMBOL(udp4_register_esp_rcvencap);
++EXPORT_SYMBOL(udp4_unregister_esp_rcvencap);
++#endif
++
+