mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 21:37:06 +03:00
nat-t patch for 2.6
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1953 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
38237a425b
commit
ad2784bf1b
@ -0,0 +1,129 @@
|
||||
packaging/utils/nattpatch 2.6
|
||||
--- /dev/null Tue Mar 11 13:02:56 2003
|
||||
+++ nat-t/include/net/xfrmudp.h Mon Feb 9 13:51:03 2004
|
||||
@@ -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);
|
||||
--- /distros/kernel/linux-2.6.11.2/net/ipv4/Kconfig 2005-03-09 03:12:33.000000000 -0500
|
||||
+++ swan26/net/ipv4/Kconfig 2005-04-04 18:46:13.000000000 -0400
|
||||
@@ -351,2 +351,8 @@
|
||||
|
||||
+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.
|
||||
+
|
||||
config IP_TCPDIAG
|
||||
--- /distros/kernel/linux-2.6.11.2/./net/ipv4/udp.c 2005-03-09 03:11:09.000000000 -0500
|
||||
+++ ./net/ipv4/udp.c 2005-04-09 20:46:46.000000000 -0400
|
||||
@@ -109,2 +109,3 @@
|
||||
#include <net/xfrm.h>
|
||||
+#include <net/xfrmudp.h>
|
||||
|
||||
@@ -114,2 +115,4 @@
|
||||
|
||||
+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
|
||||
+
|
||||
DEFINE_SNMP_STAT(struct udp_mib, udp_statistics);
|
||||
@@ -894,2 +897,38 @@
|
||||
|
||||
+#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
|
||||
+
|
||||
+/* if XFRM isn't a module, then register it directly. */
|
||||
+#if 0 && !defined(CONFIG_XFRM_MODULE) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
|
||||
+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = xfrm4_rcv_encap;
|
||||
+#else
|
||||
+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = NULL;
|
||||
+#endif
|
||||
+
|
||||
+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_MODULE || CONFIG_IPSEC_NAT_TRAVERSAL */
|
||||
+
|
||||
+
|
||||
/* return:
|
||||
@@ -901,5 +940,5 @@
|
||||
{
|
||||
-#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);
|
||||
@@ -915,3 +954,3 @@
|
||||
if (udpdata > skb->tail)
|
||||
- return 1;
|
||||
+ return 2;
|
||||
|
||||
@@ -919,3 +958,3 @@
|
||||
if (!encap_type)
|
||||
- return 1;
|
||||
+ return 3;
|
||||
|
||||
@@ -934,3 +973,3 @@
|
||||
/* Must be an IKE packet.. pass it through */
|
||||
- return 1;
|
||||
+ return 4;
|
||||
break;
|
||||
@@ -947,3 +986,3 @@
|
||||
/* Must be an IKE packet.. pass it through */
|
||||
- return 1;
|
||||
+ return 5;
|
||||
break;
|
||||
@@ -956,2 +995,4 @@
|
||||
*/
|
||||
+ if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
|
||||
+ return 0;
|
||||
|
||||
@@ -1019,5 +1060,9 @@
|
||||
if (ret < 0) {
|
||||
- /* process the ESP packet */
|
||||
- ret = xfrm4_rcv_encap(skb, up->encap_type);
|
||||
- UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS);
|
||||
+ 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;
|
||||
@@ -1574 +1619,7 @@
|
||||
#endif
|
||||
+
|
||||
+#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
|
||||
+EXPORT_SYMBOL(udp4_register_esp_rcvencap);
|
||||
+EXPORT_SYMBOL(udp4_unregister_esp_rcvencap);
|
||||
+#endif
|
||||
+
|
Loading…
Reference in New Issue
Block a user