X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Froute.c;h=7538bec517c8a70a42bf6d566d63448e8d6f5d44;hp=d748db163d1999db9a7b938eb93c821d010004a4;hb=a227843b739d279b63adcf3736ebb03d856080c4;hpb=9915f2abbedb7f1aa2b9e2f81d52ddcfca60e82d

diff --git a/src/route.c b/src/route.c
index d748db16..7538bec5 100644
--- a/src/route.c
+++ b/src/route.c
@@ -13,11 +13,9 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id$
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "system.h"
@@ -53,8 +51,7 @@ static const size_t opt_size = sizeof(struct nd_opt_hdr);
 
 /* RFC 1071 */
 
-static uint16_t inet_checksum(void *data, int len, uint16_t prevsum)
-{
+static uint16_t inet_checksum(void *data, int len, uint16_t prevsum) {
 	uint16_t *p = data;
 	uint32_t checksum = prevsum ^ 0xFFFF;
 
@@ -102,14 +99,11 @@ static void swap_mac_addresses(vpn_packet_t *packet) {
 	memcpy(&packet->data[6], &tmp, sizeof tmp);
 }
 	
-static void learn_mac(mac_t *address)
-{
+static void learn_mac(mac_t *address) {
 	subnet_t *subnet;
 	avl_node_t *node;
 	connection_t *c;
 
-	cp();
-
 	subnet = lookup_subnet_mac(address);
 
 	/* If we don't know this MAC address yet, store it */
@@ -138,14 +132,11 @@ static void learn_mac(mac_t *address)
 		subnet->expires = now + macexpire;
 }
 
-void age_subnets(void)
-{
+void age_subnets(void) {
 	subnet_t *s;
 	connection_t *c;
 	avl_node_t *node, *next, *node2;
 
-	cp();
-
 	for(node = myself->subnet_tree->head; node; node = next) {
 		next = node->next;
 		s = node->data;
@@ -169,8 +160,7 @@ void age_subnets(void)
 
 /* RFC 792 */
 
-static void route_ipv4_unreachable(node_t *source, vpn_packet_t *packet, uint8_t type, uint8_t code)
-{
+static void route_ipv4_unreachable(node_t *source, vpn_packet_t *packet, uint8_t type, uint8_t code) {
 	struct ip ip = {0};
 	struct icmp icmp = {0};
 	
@@ -181,8 +171,6 @@ static void route_ipv4_unreachable(node_t *source, vpn_packet_t *packet, uint8_t
 	if(ratelimit(3))
 		return;
 	
-	cp();
-
 	/* Swap Ethernet source and destination addresses */
 
 	swap_mac_addresses(packet);
@@ -252,8 +240,6 @@ static void fragment_ipv4_packet(node_t *dest, vpn_packet_t *packet) {
 	uint8_t *offset;
 	uint16_t ip_off, origf;
 	
-	cp();
-
 	memcpy(&ip, packet->data + ether_size, ip_size);
 	fragment.priority = packet->priority;
 
@@ -295,14 +281,11 @@ static void fragment_ipv4_packet(node_t *dest, vpn_packet_t *packet) {
 	}	
 }
 
-static void route_ipv4_unicast(node_t *source, vpn_packet_t *packet)
-{
+static void route_ipv4_unicast(node_t *source, vpn_packet_t *packet) {
 	subnet_t *subnet;
 	node_t *via;
 	ipv4_t dest;
 
-	cp();
-
 	memcpy(&dest, &packet->data[30], sizeof dest);
 	subnet = lookup_subnet_ipv4(&dest);
 
@@ -346,10 +329,7 @@ static void route_ipv4_unicast(node_t *source, vpn_packet_t *packet)
 	send_packet(subnet->owner, packet);
 }
 
-static void route_ipv4(node_t *source, vpn_packet_t *packet)
-{
-	cp();
-
+static void route_ipv4(node_t *source, vpn_packet_t *packet) {
 	if(!checklength(source, packet, ether_size + ip_size))
 		return;
 
@@ -365,8 +345,7 @@ static void route_ipv4(node_t *source, vpn_packet_t *packet)
 
 /* RFC 2463 */
 
-static void route_ipv6_unreachable(node_t *source, vpn_packet_t *packet, uint8_t type, uint8_t code)
-{
+static void route_ipv6_unreachable(node_t *source, vpn_packet_t *packet, uint8_t type, uint8_t code) {
 	struct ip6_hdr ip6;
 	struct icmp6_hdr icmp6 = {0};
 	uint16_t checksum;	
@@ -381,8 +360,6 @@ static void route_ipv6_unreachable(node_t *source, vpn_packet_t *packet, uint8_t
 	if(ratelimit(3))
 		return;
 	
-	cp();
-
 	/* Swap Ethernet source and destination addresses */
 
 	swap_mac_addresses(packet);
@@ -446,14 +423,11 @@ static void route_ipv6_unreachable(node_t *source, vpn_packet_t *packet, uint8_t
 	send_packet(source, packet);
 }
 
-static void route_ipv6_unicast(node_t *source, vpn_packet_t *packet)
-{
+static void route_ipv6_unicast(node_t *source, vpn_packet_t *packet) {
 	subnet_t *subnet;
 	node_t *via;
 	ipv6_t dest;
 
-	cp();
-
 	memcpy(&dest, &packet->data[38], sizeof dest);
 	subnet = lookup_subnet_ipv6(&dest);
 
@@ -495,8 +469,7 @@ static void route_ipv6_unicast(node_t *source, vpn_packet_t *packet)
 
 /* RFC 2461 */
 
-static void route_neighborsol(node_t *source, vpn_packet_t *packet)
-{
+static void route_neighborsol(node_t *source, vpn_packet_t *packet) {
 	struct ip6_hdr ip6;
 	struct nd_neighbor_solicit ns;
 	struct nd_opt_hdr opt;
@@ -511,8 +484,6 @@ static void route_neighborsol(node_t *source, vpn_packet_t *packet)
 		uint32_t next;
 	} pseudo;
 
-	cp();
-
 	if(!checklength(source, packet, ether_size + ip6_size + ns_size))
 		return;
 	
@@ -637,10 +608,7 @@ static void route_neighborsol(node_t *source, vpn_packet_t *packet)
 	send_packet(source, packet);
 }
 
-static void route_ipv6(node_t *source, vpn_packet_t *packet)
-{
-	cp();
-
+static void route_ipv6(node_t *source, vpn_packet_t *packet) {
 	if(!checklength(source, packet, ether_size + ip6_size))
 		return;
 
@@ -657,14 +625,11 @@ static void route_ipv6(node_t *source, vpn_packet_t *packet)
 
 /* RFC 826 */
 
-static void route_arp(node_t *source, vpn_packet_t *packet)
-{
+static void route_arp(node_t *source, vpn_packet_t *packet) {
 	struct ether_arp arp;
 	subnet_t *subnet;
 	struct in_addr addr;
 
-	cp();
-
 	if(!checklength(source, packet, ether_size + arp_size))
 		return;
 
@@ -724,14 +689,10 @@ static void route_arp(node_t *source, vpn_packet_t *packet)
 	send_packet(source, packet);
 }
 
-static void route_mac(node_t *source, vpn_packet_t *packet)
-{
+static void route_mac(node_t *source, vpn_packet_t *packet) {
 	subnet_t *subnet;
 	mac_t dest;
 
-	cp();
-
-
 	/* Learn source address */
 
 	if(source == myself) {
@@ -769,23 +730,18 @@ static void route_mac(node_t *source, vpn_packet_t *packet)
 			} else {
 				fragment_ipv4_packet(via, packet);
 			}
+			return;
 		} else if(type == ETH_P_IPV6) {
 			packet->len = via->mtu;
 			route_ipv6_unreachable(source, packet, ICMP6_PACKET_TOO_BIG, 0);
-		} else
-			ifdebug(TRAFFIC) logger(LOG_INFO, _("Large packet of unhandled type %hx dropped"), type);
-
-		return;
+			return;
+		}
 	}
 
 	send_packet(subnet->owner, packet);
 }
 
-
-void route(node_t *source, vpn_packet_t *packet)
-{
-	cp();
-
+void route(node_t *source, vpn_packet_t *packet) {
 	if(!checklength(source, packet, ether_size))
 		return;