From 27515890efddd5a54a322b577b1c95dab92ca754 Mon Sep 17 00:00:00 2001 From: Imre Kaloz Date: Wed, 22 Mar 2006 20:50:55 +0000 Subject: [PATCH] clean up the openswan patch to work with older patch versions as well SVN-Revision: 3450 --- .../102-openswan-2.4.0.kernel-2.6-natt.patch | 84 ++++++++++++++----- 1 file changed, 63 insertions(+), 21 deletions(-) diff --git a/openwrt/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch b/openwrt/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch index ab09e3c3562..6d6939beee2 100644 --- a/openwrt/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch +++ b/openwrt/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 @@ -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); ---- /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)" @@ -22,19 +25,30 @@ packaging/utils/nattpatch 2.6 + ---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 + #include #include +#include -@@ -114,2 +115,4 @@ + /* + * Snmp MIB for the UDP layer + */ +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) + @@ -73,7 +87,11 @@ packaging/utils/nattpatch 2.6 + + /* 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) @@ -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); -@@ -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; -@@ -919,3 +958,3 @@ + /* if this is not encapsulated socket, then just return now */ 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; -@@ -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; -@@ -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; -@@ -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); @@ -119,7 +157,11 @@ packaging/utils/nattpatch 2.6 + 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)