X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_subnet.c;fp=src%2Fprotocol_subnet.c;h=3e5dadd18ece0176d819474ea1c3d326c9b6434c;hp=6e7d706e153171f484c829047e57c6c854bec129;hb=3759aa5f7745709c43f81faa36510ff650b4bf99;hpb=218adee785df7c79ac18395d056a2eb6d63c407f diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c index 6e7d706e..3e5dadd1 100644 --- a/src/protocol_subnet.c +++ b/src/protocol_subnet.c @@ -60,7 +60,7 @@ bool add_subnet_h(connection_t *c) return false; } - /* Check if owner name is a valid */ + /* Check if owner name is valid */ if(!check_id(name)) { logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, @@ -176,7 +176,7 @@ bool del_subnet_h(connection_t *c) return false; } - /* Check if owner name is a valid */ + /* Check if owner name is valid */ if(!check_id(name)) { logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, @@ -184,19 +184,6 @@ bool del_subnet_h(connection_t *c) return false; } - /* Check if the owner of the new subnet is in the connection list */ - - owner = lookup_node(name); - - if(!owner) { - ifdebug(PROTOCOL) logger(LOG_WARNING, _("Got %s from %s (%s) for %s which is not in our node tree"), - "DEL_SUBNET", c->name, c->hostname, name); - return true; - } - - if(tunnelserver && owner != myself && owner != c->node) - return false; - /* Check if subnet string is valid */ if(!str2net(&s, subnetstr)) { @@ -208,6 +195,23 @@ bool del_subnet_h(connection_t *c) if(seen_request(c->buffer)) return true; + /* Check if the owner of the subnet being deleted is in the connection list */ + + owner = lookup_node(name); + + if(tunnelserver && owner != myself && owner != c->node) { + /* in case of tunnelserver, ignore indirect subnet deletion */ + ifdebug(PROTOCOL) logger(LOG_WARNING, _("Ignoring indirect %s from %s (%s) for %s"), + "DEL_SUBNET", c->name, c->hostname, subnetstr); + return true; + } + + if(!owner) { + ifdebug(PROTOCOL) logger(LOG_WARNING, _("Got %s from %s (%s) for %s which is not in our node tree"), + "DEL_SUBNET", c->name, c->hostname, name); + return true; + } + /* If everything is correct, delete the subnet from the list of the owner */ s.owner = owner;