From: Guus Sliepen <guus@tinc-vpn.org>
Date: Sun, 6 Jul 2003 17:49:49 +0000 (+0000)
Subject: Check for IPv6 header files.
X-Git-Tag: release-1.0~74
X-Git-Url: https://git.librecmc.org/?p=oweals%2Ftinc.git;a=commitdiff_plain;h=868104703003605711582c984b57f8933bf361ee

Check for IPv6 header files.
---

diff --git a/configure.in b/configure.in
index 0e76760..fb13189 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-dnl $Id: configure.in,v 1.13.2.62 2003/07/06 17:15:24 guus Exp $
+dnl $Id: configure.in,v 1.13.2.63 2003/07/06 17:49:49 guus Exp $
 
 AC_PREREQ(2.53)
 AC_INIT(src/tincd.c)
@@ -87,7 +87,7 @@ dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
 	sys/file.h sys/ioctl.h sys/param.h sys/time.h netinet/in_systm.h])
-AC_CHECK_HEADERS([net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h], [], [],
+AC_CHECK_HEADERS([net/ethernet.h net/if.h netinet/ip.h netinet/tcp.h netinet/ip6.h], [], [],
 	[#include <sys/types.h>
 	 #include <sys/socket.h>
 	 #ifdef HAVE_NETINET_IN_SYSTM_H
diff --git a/src/route.c b/src/route.c
index 3a1cbdf..b6ec0dc 100644
--- a/src/route.c
+++ b/src/route.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: route.c,v 1.1.2.52 2003/07/06 17:15:25 guus Exp $
+    $Id: route.c,v 1.1.2.53 2003/07/06 17:49:49 guus Exp $
 */
 
 #include "config.h"
@@ -38,8 +38,10 @@
 #endif
 #include <netinet/ip.h>
 #include <netinet/ip_icmp.h>
+#ifdef HAVE_NETINET_IP6_H
 #include <netinet/ip6.h>
 #include <netinet/icmp6.h>
+#endif
 #include <netinet/if_ether.h>
 #include <utils.h>
 #include <xalloc.h>
@@ -288,6 +290,8 @@ node_t *route_ipv4(vpn_packet_t *packet)
 	return subnet->owner;
 }
 
+#ifdef HAVE_NETINET_IP6_H
+
 /* RFC 2463 */
 
 void route_ipv6_unreachable(vpn_packet_t *packet, uint8_t code)
@@ -356,6 +360,8 @@ void route_ipv6_unreachable(vpn_packet_t *packet, uint8_t code)
 	write_packet(packet);
 }
 
+#endif
+
 node_t *route_ipv6(vpn_packet_t *packet)
 {
 	subnet_t *subnet;
@@ -376,17 +382,23 @@ node_t *route_ipv6(vpn_packet_t *packet)
 				   ntohs(*(uint16_t *) & packet->data[50]),
 				   ntohs(*(uint16_t *) & packet->data[52]));
 		}
+#ifdef HAVE_NETINET_IP6_H
 		route_ipv6_unreachable(packet, ICMP6_DST_UNREACH_ADDR);
+#endif
 
 		return NULL;
 	}
 
+#ifdef HAVE_NETINET_IP6_H
 	if(!subnet->owner->status.reachable)
 		route_ipv6_unreachable(packet, ICMP6_DST_UNREACH_NOROUTE);
-
+#endif
+	
 	return subnet->owner;
 }
 
+#ifdef HAVE_NETINET_IP6_H
+
 /* RFC 2461 */
 
 void route_neighborsol(vpn_packet_t *packet)
@@ -503,6 +515,8 @@ void route_neighborsol(vpn_packet_t *packet)
 	write_packet(packet);
 }
 
+#endif
+
 /* RFC 826 */
 
 void route_arp(vpn_packet_t *packet)
@@ -586,10 +600,12 @@ void route_outgoing(vpn_packet_t *packet)
 					break;
 
 				case 0x86DD:
+#ifdef HAVE_NETINET_IP6_H
 					if(packet->data[20] == IPPROTO_ICMPV6 && packet->data[54] == ND_NEIGHBOR_SOLICIT) {
 						route_neighborsol(packet);
 						return;
 					}
+#endif
 					n = route_ipv6(packet);
 					break;