X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol.c;h=8d03cc0b4a92cd552ce4208b0989385fde4b86c7;hp=aeeec1be63be18985aa9cde7302b89b5478d4345;hb=ac47586552710425417ed80878f8f853c313b421;hpb=5065ea32c32e27478d93c00a1bba0c812b7a2b8c

diff --git a/src/protocol.c b/src/protocol.c
index aeeec1be..8d03cc0b 100644
--- a/src/protocol.c
+++ b/src/protocol.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: protocol.c,v 1.28.4.54 2000/11/03 22:35:11 zarq Exp $
+    $Id: protocol.c,v 1.28.4.56 2000/11/04 16:54:21 guus Exp $
 */
 
 #include "config.h"
@@ -872,6 +872,8 @@ cp
 
   new->nexthop = cl;
   new->status.active = 1;
+  new->cipher_pkttype = EVP_bf_cfb();
+  new->cipher_pktkeylength = cl->cipher_pkttype->key_len + cl->cipher_pkttype->iv_len;
 
 cp
   return 0;
@@ -1195,7 +1197,7 @@ cp
       return -1;
     }
 
-  /* Update origin's packet key */
+  /* Check correctness of packet key */
 
   keylength = strlen(pktkey);
 
@@ -1207,17 +1209,8 @@ cp
       return -1;
     }
 
-  if(from->cipher_pktkey)
-    free(from->cipher_pktkey);
+  /* Forward it if necessary */
 
-  keylength /= 2;
-  hex2bin(pktkey, pktkey, keylength);
-  pktkey[keylength] = '\0';
-  from->cipher_pktkey = pktkey;
-
-  from->status.validkey = 1;
-  from->status.waitingforkey = 0;
-    
   if(strcmp(to_id, myself->name))
     {
       if(!(to = lookup_id(to_id)))
@@ -1230,6 +1223,19 @@ cp
       send_ans_key(from, to, pktkey);
     }
 
+  /* Update our copy of the origin's packet key */
+
+  if(from->cipher_pktkey)
+    free(from->cipher_pktkey);
+
+  keylength /= 2;
+  hex2bin(pktkey, pktkey, keylength);
+  pktkey[keylength] = '\0';
+  from->cipher_pktkey = pktkey;
+
+  from->status.validkey = 1;
+  from->status.waitingforkey = 0;
+    
   free(from_id); free(to_id);
 cp
   return 0;