Check for IPv6 header files.

[tinc] / src / route.c

diff --git a/src/route.c b/src/route.c
index 3a1cbdf..b6ec0dc 100644 (file)
--- 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;