Replace Opaque and Strict options with a TunnelServer option.

[tinc] / src / protocol_subnet.c

diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c
index bb2f2de..e0297b9 100644 (file)
--- a/src/protocol_subnet.c
+++ b/src/protocol_subnet.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_subnet.c,v 1.1.4.15 2003/07/24 12:08:16 guus Exp $
+    $Id: protocol_subnet.c,v 1.1.4.17 2003/11/17 15:30:18 guus Exp $
 */
 
 #include "system.h"
@@ -94,6 +94,9 @@ bool add_subnet_h(connection_t *c)
                node_add(owner);
        }
 
+       if(tunnelserver && owner != myself && owner != c->node)
+               return false;
+
        /* Check if we already know this subnet */
 
        if(lookup_subnet(owner, s)) {
@@ -111,13 +114,36 @@ bool add_subnet_h(connection_t *c)
                return true;
        }
 
+       /* In tunnel server mode, check if the subnet matches one in the config file of this node */
+
+       if(tunnelserver) {
+               config_t *cfg;
+               subnet_t *allowed;
+
+               for(cfg = lookup_config(c->config_tree, "Subnet"); cfg; cfg = lookup_config_next(c->config_tree, cfg)) {
+                       if(!get_config_subnet(cfg, &allowed))
+                               return false;
+
+                       if(!subnet_compare(s, allowed))
+                               break;
+
+                       free_subnet(allowed);
+               }
+
+               if(!cfg)
+                       return false;
+
+               free_subnet(allowed);
+       }
+
        /* If everything is correct, add the subnet to the list of the owner */
 
        subnet_add(owner, s);
 
        /* Tell the rest */
 
-       forward_request(c);
+       if(!tunnelserver)
+               forward_request(c);
 
        return true;
 }
@@ -171,6 +197,9 @@ bool del_subnet_h(connection_t *c)
                return true;
        }
 
+       if(tunnelserver && owner != myself && owner != c->node)
+               return false;
+
        /* Check if subnet string is valid */
 
        s = str2net(subnetstr);
@@ -209,7 +238,8 @@ bool del_subnet_h(connection_t *c)
 
        /* Tell the rest */
 
-       forward_request(c);
+       if(!tunnelserver)
+               forward_request(c);
 
        /* Finally, delete it. */