Fast handoff of roaming MAC addresses.

[tinc] / src / protocol_subnet.c

diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c
index e7ab8b2..ba75c89 100644 (file)
--- a/src/protocol_subnet.c
+++ b/src/protocol_subnet.c
@@ -45,7 +45,7 @@ bool add_subnet_h(connection_t *c) {
        char subnetstr[MAX_STRING_SIZE];
        char name[MAX_STRING_SIZE];
        node_t *owner;
-       subnet_t s = {0}, *new;
+       subnet_t s = {0}, *new, *old;
 
        if(sscanf(c->buffer, "%*d %*x " MAX_STRING " " MAX_STRING, name, subnetstr) != 2) {
                logger(LOG_ERR, "Got bad %s from %s (%s)", "ADD_SUBNET", c->name,
@@ -112,7 +112,7 @@ bool add_subnet_h(connection_t *c) {
 
                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;
+                               continue;
 
                        if(!subnet_compare(&s, allowed))
                                break;
@@ -121,9 +121,9 @@ bool add_subnet_h(connection_t *c) {
                }
 
                if(!cfg) {
-                       logger(LOG_WARNING, "Unauthorized %s from %s (%s) for %s",
-                               "ADD_SUBNET", c->name, c->hostname, subnetstr);
-                       return false;
+                       logger(LOG_WARNING, "Ignoring unauthorized %s from %s (%s): %s",
+                                       "ADD_SUBNET", c->name, c->hostname, subnetstr);
+                       return true;
                }
 
                free_subnet(allowed);
@@ -142,6 +142,11 @@ bool add_subnet_h(connection_t *c) {
        if(!tunnelserver)
                forward_request(c);
 
+       /* Fast handoff of roaming MAC addresses */
+
+       if(s.type == SUBNET_MAC && owner != myself && (old = lookup_subnet(myself, &s)) && old->expires)
+               old->expires = now;
+
        return true;
 }