X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/ec4de7f8c59e136f02451f4adfbe87b6d7ef36af..c23b9c14abdbb0fa3c5d94fa137ac38e3b13a71a:/bgp.c

diff --git a/bgp.c b/bgp.c
index c5cc845..f1d0ec2 100644
--- a/bgp.c
+++ b/bgp.c
@@ -10,7 +10,7 @@
  *   nor RFC2385 (which requires a kernel patch on 2.4 kernels).
  */
 
-char const *cvs_id_bgp = "$Id: bgp.c,v 1.10 2005/06/04 15:42:35 bodea Exp $";
+char const *cvs_id_bgp = "$Id: bgp.c,v 1.12 2005/09/02 23:39:36 bodea Exp $";
 
 #include <stdlib.h>
 #include <unistd.h>
@@ -29,7 +29,7 @@ char const *cvs_id_bgp = "$Id: bgp.c,v 1.10 2005/06/04 15:42:35 bodea Exp $";
 
 static void bgp_clear(struct bgp_peer *peer);
 static void bgp_set_retry(struct bgp_peer *peer);
-static void bgp_cidr(in_addr_t ip, in_addr_t mask, struct bgp_ip_prefix *pfx);
+static void bgp_cidr(in_addr_t ip, int prefixlen, struct bgp_ip_prefix *pfx);
 static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
     struct bgp_route_list *new);
 
@@ -327,26 +327,6 @@ static void bgp_set_retry(struct bgp_peer *peer)
     	bgp_halt(peer); /* give up */
 }
 
-/* convert ip/mask to CIDR notation */
-static void bgp_cidr(in_addr_t ip, in_addr_t mask, struct bgp_ip_prefix *pfx)
-{
-    int i;
-    uint32_t b;
-
-    /* convert to prefix notation */
-    pfx->len = 32;
-    pfx->prefix = ip;
-
-    if (!mask) /* bogus */
-	mask = 0xffffffff;
-
-    for (i = 0; i < 32 && ((b = ntohl(1 << i)), !(mask & b)); i++)
-    {
-	pfx->len--;
-	pfx->prefix &= ~b;
-    }
-}
-
 /* insert route into list; sorted */
 static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
     struct bgp_route_list *new)
@@ -381,13 +361,14 @@ static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
  * that if that route is later deleted we don't have to be concerned
  * about adding back the more specific one).
  */
-int bgp_add_route(in_addr_t ip, in_addr_t mask)
+int bgp_add_route(in_addr_t ip, int prefixlen)
 {
     struct bgp_route_list *r = bgp_routes;
     struct bgp_route_list add;
     int i;
 
-    bgp_cidr(ip, mask, &add.dest);
+    add.dest.prefix = ip;
+    add.dest.len = prefixlen;
     add.next = 0;
 
     /* check for duplicate */
@@ -427,14 +408,15 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask)
 }
 
 /* remove route from list for peers */
-int bgp_del_route(in_addr_t ip, in_addr_t mask)
+int bgp_del_route(in_addr_t ip, int prefixlen)
 {
     struct bgp_route_list *r = bgp_routes;
     struct bgp_route_list *e = 0;
     struct bgp_route_list del;
     int i;
 
-    bgp_cidr(ip, mask, &del.dest);
+    del.dest.prefix = ip;
+    del.dest.len = prefixlen;
     del.next = 0;
 
     /* find entry in routes list and remove */
@@ -767,7 +749,7 @@ static int bgp_connect(struct bgp_peer *peer)
 static int bgp_handle_connect(struct bgp_peer *peer)
 {
     int err = 0;
-    int len = sizeof(int);
+    socklen_t len = sizeof(int);
     getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len);
     if (err)
     {
@@ -996,7 +978,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 	    if (notification->error_code == BGP_ERR_CEASE)
 	    {
 		LOG(4, 0, 0, "BGP peer %s sent CEASE\n", peer->name);
-		bgp_halt(peer);
+		bgp_restart(peer);
 		return 0;
 	    }