X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_subnet.c;h=e5927213e379f04096fc26d1c4806c0e63d543d8;hp=00cdde67a994014fa95fca8ce63ba26e705e384d;hb=5a132550deb58473285e5f91705d286aef47be71;hpb=08aabbf9317806bc50a9a6693ca866c8936ce26b diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c index 00cdde67..e5927213 100644 --- a/src/protocol_subnet.c +++ b/src/protocol_subnet.c @@ -60,7 +60,7 @@ bool add_subnet_h(connection_t *c, char *request) 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, @@ -127,8 +127,11 @@ bool add_subnet_h(connection_t *c, char *request) 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); } @@ -176,7 +179,7 @@ bool del_subnet_h(connection_t *c, char *request) 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 +187,6 @@ bool del_subnet_h(connection_t *c, char *request) 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 +198,23 @@ bool del_subnet_h(connection_t *c, char *request) if(seen_request(request)) 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;