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clean up the openswan patch to work with older patch versions as well
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@3450 3c298f89-4303-0410-b956-a3cf2f4a3e73
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kaloz
parent
023c90166e
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42024ba2fe
@ -1,6 +1,6 @@
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packaging/utils/nattpatch 2.6
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--- /dev/null Tue Mar 11 13:02:56 2003
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+++ nat-t/include/net/xfrmudp.h Mon Feb 9 13:51:03 2004
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diff -Nur linux-2.6.16/include/net/xfrmudp.h linux-2.6.16-owrt/include/net/xfrmudp.h
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--- linux-2.6.16/include/net/xfrmudp.h 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.6.16-owrt/include/net/xfrmudp.h 2006-03-22 21:39:54.000000000 +0100
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@@ -0,0 +1,10 @@
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+/*
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+ * pointer to function for type that xfrm4_input wants, to permit
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@ -12,9 +12,12 @@ packaging/utils/nattpatch 2.6
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+extern int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
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+ , xfrm4_rcv_encap_t *oldfunc);
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+extern int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func);
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--- /distros/kernel/linux-2.6.11.2/net/ipv4/Kconfig 2005-03-09 03:12:33.000000000 -0500
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+++ swan26/net/ipv4/Kconfig 2005-04-04 18:46:13.000000000 -0400
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@@ -351,2 +351,8 @@
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diff -Nur linux-2.6.16/net/ipv4/Kconfig linux-2.6.16-owrt/net/ipv4/Kconfig
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--- linux-2.6.16/net/ipv4/Kconfig 2006-03-20 06:53:29.000000000 +0100
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+++ linux-2.6.16-owrt/net/ipv4/Kconfig 2006-03-22 21:49:04.000000000 +0100
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@@ -271,6 +271,12 @@
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Network), but can be distributed all over the Internet. If you want
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to do that, say Y here and to "IP multicast routing" below.
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+config IPSEC_NAT_TRAVERSAL
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+ bool "IPSEC NAT-Traversal (KLIPS compatible)"
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@ -22,19 +25,30 @@ packaging/utils/nattpatch 2.6
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+ ---help---
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+ Includes support for RFC3947/RFC3948 NAT-Traversal of ESP over UDP.
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+
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config IP_TCPDIAG
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--- /distros/kernel/linux-2.6.11.2/./net/ipv4/udp.c 2005-03-09 03:11:09.000000000 -0500
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+++ ./net/ipv4/udp.c 2005-04-09 20:46:46.000000000 -0400
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@@ -109,2 +109,3 @@
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config IP_MROUTE
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bool "IP: multicast routing"
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depends on IP_MULTICAST
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diff -Nur linux-2.6.16/net/ipv4/udp.c linux-2.6.16-owrt/net/ipv4/udp.c
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--- linux-2.6.16/net/ipv4/udp.c 2006-03-20 06:53:29.000000000 +0100
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+++ linux-2.6.16-owrt/net/ipv4/udp.c 2006-03-22 21:39:54.000000000 +0100
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@@ -109,11 +109,14 @@
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#include <net/inet_common.h>
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#include <net/checksum.h>
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#include <net/xfrm.h>
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+#include <net/xfrmudp.h>
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@@ -114,2 +115,4 @@
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/*
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* Snmp MIB for the UDP layer
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*/
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+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
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+
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DEFINE_SNMP_STAT(struct udp_mib, udp_statistics);
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@@ -894,2 +897,38 @@
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DEFINE_SNMP_STAT(struct udp_mib, udp_statistics) __read_mostly;
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struct hlist_head udp_hash[UDP_HTABLE_SIZE];
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@@ -882,6 +885,42 @@
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sk_common_release(sk);
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}
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+#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
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+
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@ -73,7 +87,11 @@ packaging/utils/nattpatch 2.6
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+
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+
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/* return:
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@@ -901,5 +940,5 @@
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* 1 if the the UDP system should process it
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* 0 if we should drop this packet
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@@ -889,9 +928,9 @@
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*/
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static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
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{
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-#ifndef CONFIG_XFRM
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+#if !defined(CONFIG_XFRM) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
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@ -81,32 +99,52 @@ packaging/utils/nattpatch 2.6
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-#else
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+#else /* either CONFIG_XFRM or CONFIG_IPSEC_NAT_TRAVERSAL */
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struct udp_sock *up = udp_sk(sk);
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@@ -915,3 +954,3 @@
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struct udphdr *uh = skb->h.uh;
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struct iphdr *iph;
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@@ -903,11 +942,11 @@
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/* if we're overly short, let UDP handle it */
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if (udpdata > skb->tail)
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- return 1;
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+ return 2;
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@@ -919,3 +958,3 @@
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/* if this is not encapsulated socket, then just return now */
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if (!encap_type)
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- return 1;
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+ return 3;
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@@ -934,3 +973,3 @@
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len = skb->tail - udpdata;
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@@ -922,7 +961,7 @@
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len = sizeof(struct udphdr);
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} else
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/* Must be an IKE packet.. pass it through */
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- return 1;
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+ return 4;
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break;
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@@ -947,3 +986,3 @@
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case UDP_ENCAP_ESPINUDP_NON_IKE:
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/* Check if this is a keepalive packet. If so, eat it. */
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@@ -935,7 +974,7 @@
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len = sizeof(struct udphdr) + 2 * sizeof(u32);
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} else
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/* Must be an IKE packet.. pass it through */
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- return 1;
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+ return 5;
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break;
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@@ -956,2 +995,4 @@
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}
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@@ -946,6 +985,8 @@
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*/
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if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
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return 0;
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+ if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
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+ return 0;
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@@ -1019,5 +1060,9 @@
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/* Now we can update and verify the packet length... */
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iph = skb->nh.iph;
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@@ -1010,9 +1051,13 @@
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return 0;
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}
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if (ret < 0) {
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- /* process the ESP packet */
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- ret = xfrm4_rcv_encap(skb, up->encap_type);
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@ -119,7 +157,11 @@ packaging/utils/nattpatch 2.6
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+ ret = 1;
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+ }
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return -ret;
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@@ -1574 +1619,7 @@
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}
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/* FALLTHROUGH -- it's a UDP Packet */
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@@ -1559,3 +1604,9 @@
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EXPORT_SYMBOL(udp_proc_register);
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EXPORT_SYMBOL(udp_proc_unregister);
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#endif
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+
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+#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
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