tunnelserver: log which ADD_SUBNET was refused

Add some logging about refused ADD_SUBNET
(it causes subsequent client disconnect so it's
important to know which subnet was at fault).

Maybe we should just ignore it completely.

diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c
index 3e5dadd..d40b3a3 100644 (file)
--- a/src/protocol_subnet.c
+++ b/src/protocol_subnet.c
@@ -127,8 +127,11 @@ bool add_subnet_h(connection_t *c)
                        free_subnet(allowed);
                }
 
-               if(!cfg)
+               if(!cfg) {
+                       logger(LOG_WARNING, _("Unauthorized %s from %s (%s) for %s"),
+                               "ADD_SUBNET", c->name, c->hostname, subnetstr);
                        return false;
+               }
 
                free_subnet(allowed);
        }