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2.6.16.1, here we come
[openwrt.git] / target / linux / generic-2.6 / patches / 102-openswan-2.4.0.kernel-2.6-natt.patch
diff --git a/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch b/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch
index ab09e3c..6d6939b 100644 (file)
--- a/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch
+++ b/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch
@@ -1,6 +1,6 @@
-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
+diff -Nur linux-2.6.16/include/net/xfrmudp.h linux-2.6.16-owrt/include/net/xfrmudp.h
+--- linux-2.6.16/include/net/xfrmudp.h 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.16-owrt/include/net/xfrmudp.h    2006-03-22 21:39:54.000000000 +0100
 @@ -0,0 +1,10 @@
 +/*
 + * pointer to function for type that xfrm4_input wants, to permit
 @@ -0,0 +1,10 @@
 +/*
 + * pointer to function for type that xfrm4_input wants, to permit
@@ -12,9 +12,12 @@ packaging/utils/nattpatch 2.6
 +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);
 +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 @@
+diff -Nur linux-2.6.16/net/ipv4/Kconfig linux-2.6.16-owrt/net/ipv4/Kconfig
+--- linux-2.6.16/net/ipv4/Kconfig      2006-03-20 06:53:29.000000000 +0100
++++ linux-2.6.16-owrt/net/ipv4/Kconfig 2006-03-22 21:49:04.000000000 +0100
+@@ -271,6 +271,12 @@
+         Network), but can be distributed all over the Internet. If you want
+         to do that, say Y here and to "IP multicast routing" below.
  
 +config IPSEC_NAT_TRAVERSAL
 +      bool "IPSEC NAT-Traversal (KLIPS compatible)"
  
 +config IPSEC_NAT_TRAVERSAL
 +      bool "IPSEC NAT-Traversal (KLIPS compatible)"
@@ -22,19 +25,30 @@ packaging/utils/nattpatch 2.6
 +      ---help---
 +          Includes support for RFC3947/RFC3948 NAT-Traversal of ESP over UDP.
 +
 +      ---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 @@
+ config IP_MROUTE
+       bool "IP: multicast routing"
+       depends on IP_MULTICAST
+diff -Nur linux-2.6.16/net/ipv4/udp.c linux-2.6.16-owrt/net/ipv4/udp.c
+--- linux-2.6.16/net/ipv4/udp.c        2006-03-20 06:53:29.000000000 +0100
++++ linux-2.6.16-owrt/net/ipv4/udp.c   2006-03-22 21:39:54.000000000 +0100
+@@ -109,11 +109,14 @@
+ #include <net/inet_common.h>
+ #include <net/checksum.h>
  #include <net/xfrm.h>
 +#include <net/xfrmudp.h>
  
  #include <net/xfrm.h>
 +#include <net/xfrmudp.h>
  
-@@ -114,2 +115,4 @@
+ /*
+  *    Snmp MIB for the UDP layer
+  */
  
 +static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
 +
  
 +static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
 +
- DEFINE_SNMP_STAT(struct udp_mib, udp_statistics);
-@@ -894,2 +897,38 @@
+ DEFINE_SNMP_STAT(struct udp_mib, udp_statistics) __read_mostly;
+ 
+ struct hlist_head udp_hash[UDP_HTABLE_SIZE];
+@@ -882,6 +885,42 @@
+       sk_common_release(sk);
+ }
  
 +#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
 +
  
 +#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
 +
@@ -73,7 +87,11 @@ packaging/utils/nattpatch 2.6
 +
 +
  /* return:
 +
 +
  /* return:
-@@ -901,5 +940,5 @@
+  *    1  if the the UDP system should process it
+  *    0  if we should drop this packet
+@@ -889,9 +928,9 @@
+  */
+ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
  {
 -#ifndef CONFIG_XFRM
 +#if !defined(CONFIG_XFRM) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
  {
 -#ifndef CONFIG_XFRM
 +#if !defined(CONFIG_XFRM) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
@@ -81,32 +99,52 @@ packaging/utils/nattpatch 2.6
 -#else
 +#else /* either CONFIG_XFRM or CONFIG_IPSEC_NAT_TRAVERSAL */
        struct udp_sock *up = udp_sk(sk);
 -#else
 +#else /* either CONFIG_XFRM or CONFIG_IPSEC_NAT_TRAVERSAL */
        struct udp_sock *up = udp_sk(sk);
-@@ -915,3 +954,3 @@
+       struct udphdr *uh = skb->h.uh;
+       struct iphdr *iph;
+@@ -903,11 +942,11 @@
+ 
+       /* if we're overly short, let UDP handle it */
        if (udpdata > skb->tail)
 -              return 1;
 +              return 2;
  
        if (udpdata > skb->tail)
 -              return 1;
 +              return 2;
  
-@@ -919,3 +958,3 @@
+       /* if this is not encapsulated socket, then just return now */
        if (!encap_type)
 -              return 1;
 +              return 3;
  
        if (!encap_type)
 -              return 1;
 +              return 3;
  
-@@ -934,3 +973,3 @@
+       len = skb->tail - udpdata;
+ 
+@@ -922,7 +961,7 @@
+                       len = sizeof(struct udphdr);
+               } else
                        /* Must be an IKE packet.. pass it through */
 -                      return 1;
 +                      return 4;
                break;
                        /* Must be an IKE packet.. pass it through */
 -                      return 1;
 +                      return 4;
                break;
-@@ -947,3 +986,3 @@
+       case UDP_ENCAP_ESPINUDP_NON_IKE:
+               /* Check if this is a keepalive packet.  If so, eat it. */
+@@ -935,7 +974,7 @@
+                       len = sizeof(struct udphdr) + 2 * sizeof(u32);
+               } else
                        /* Must be an IKE packet.. pass it through */
 -                      return 1;
 +                      return 5;
                break;
                        /* Must be an IKE packet.. pass it through */
 -                      return 1;
 +                      return 5;
                break;
-@@ -956,2 +995,4 @@
+       }
+ 
+@@ -946,6 +985,8 @@
         */
         */
+       if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+               return 0;
 +      if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
 +              return 0;
  
 +      if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
 +              return 0;
  
-@@ -1019,5 +1060,9 @@
+       /* Now we can update and verify the packet length... */
+       iph = skb->nh.iph;
+@@ -1010,9 +1051,13 @@
+                       return 0;
+               }
                if (ret < 0) {
 -                      /* process the ESP packet */
 -                      ret = xfrm4_rcv_encap(skb, up->encap_type);
                if (ret < 0) {
 -                      /* process the ESP packet */
 -                      ret = xfrm4_rcv_encap(skb, up->encap_type);
@@ -119,7 +157,11 @@ packaging/utils/nattpatch 2.6
 +                        ret = 1;
 +                      }
                        return -ret;
 +                        ret = 1;
 +                      }
                        return -ret;
-@@ -1574 +1619,7 @@
+               }
+               /* FALLTHROUGH -- it's a UDP Packet */
+@@ -1559,3 +1604,9 @@
+ EXPORT_SYMBOL(udp_proc_register);
+ EXPORT_SYMBOL(udp_proc_unregister);
  #endif
 +
 +#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
  #endif
 +
 +#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
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