X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fprotocol_edge.c;h=6da3c876afffd870f4b76595eddd76a3aa137bc8;hb=158cbe99f972a1613b7d4d95abfe5fe48e019e67;hp=3dfff05e1845eb4120febad7df96ba1d08255269;hpb=4712d8f92e63e86e835ffb624d6399343ee568ea;p=meshlink diff --git a/src/protocol_edge.c b/src/protocol_edge.c index 3dfff05e..6da3c876 100644 --- a/src/protocol_edge.c +++ b/src/protocol_edge.c @@ -1,8 +1,6 @@ /* protocol_edge.c -- handle the meta-protocol, edges - Copyright (C) 1999-2005 Ivo Timmermans, - 2000-2012 Guus Sliepen - 2009 Michael Tokarev + Copyright (C) 2014 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,7 +19,6 @@ #include "system.h" -#include "avl_tree.h" #include "conf.h" #include "connection.h" #include "edge.h" @@ -50,7 +47,7 @@ bool send_add_edge(connection_t *c, const edge_t *e) { return x; } -bool add_edge_h(connection_t *c) { +bool add_edge_h(connection_t *c, const char *request) { edge_t *e; node_t *from, *to; char from_name[MAX_STRING_SIZE]; @@ -61,9 +58,9 @@ bool add_edge_h(connection_t *c) { uint32_t options; int weight; - if(sscanf(c->buffer, "%*d %*x "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" %x %d", + if(sscanf(request, "%*d %*x "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" %x %d", from_name, to_name, to_address, to_port, &options, &weight) != 6) { - logger(LOG_ERR, "Got bad %s from %s (%s)", "ADD_EDGE", c->name, + logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "ADD_EDGE", c->name, c->hostname); return false; } @@ -71,12 +68,12 @@ bool add_edge_h(connection_t *c) { /* Check if names are valid */ if(!check_id(from_name) || !check_id(to_name)) { - logger(LOG_ERR, "Got bad %s from %s (%s): %s", "ADD_EDGE", c->name, + logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s): %s", "ADD_EDGE", c->name, c->hostname, "invalid name"); return false; } - if(seen_request(c->buffer)) + if(seen_request(request)) return true; /* Lookup nodes */ @@ -84,16 +81,6 @@ bool add_edge_h(connection_t *c) { from = lookup_node(from_name); to = lookup_node(to_name); - if(tunnelserver && - from != myself && from != c->node && - to != myself && to != c->node) { - /* ignore indirect edge registrations for tunnelserver */ - ifdebug(PROTOCOL) logger(LOG_WARNING, - "Ignoring indirect %s from %s (%s)", - "ADD_EDGE", c->name, c->hostname); - return true; - } - if(!from) { from = new_node(); from->name = xstrdup(from_name); @@ -118,12 +105,12 @@ bool add_edge_h(connection_t *c) { if(e) { if(e->weight != weight || e->options != options || sockaddrcmp(&e->address, &address)) { if(from == myself) { - ifdebug(PROTOCOL) logger(LOG_WARNING, "Got %s from %s (%s) for ourself which does not match existing entry", + logger(DEBUG_PROTOCOL, LOG_WARNING, "Got %s from %s (%s) for ourself which does not match existing entry", "ADD_EDGE", c->name, c->hostname); send_add_edge(c, e); return true; } else { - ifdebug(PROTOCOL) logger(LOG_WARNING, "Got %s from %s (%s) which does not match existing entry", + logger(DEBUG_PROTOCOL, LOG_WARNING, "Got %s from %s (%s) which does not match existing entry", "ADD_EDGE", c->name, c->hostname); edge_del(e); graph(); @@ -131,7 +118,7 @@ bool add_edge_h(connection_t *c) { } else return true; } else if(from == myself) { - ifdebug(PROTOCOL) logger(LOG_WARNING, "Got %s from %s (%s) for ourself which does not exist", + logger(DEBUG_PROTOCOL, LOG_WARNING, "Got %s from %s (%s) for ourself which does not exist", "ADD_EDGE", c->name, c->hostname); contradicting_add_edge++; e = new_edge(); @@ -152,8 +139,7 @@ bool add_edge_h(connection_t *c) { /* Tell the rest about the new edge */ - if(!tunnelserver) - forward_request(c); + forward_request(c, request); /* Run MST before or after we tell the rest? */ @@ -167,14 +153,14 @@ bool send_del_edge(connection_t *c, const edge_t *e) { e->from->name, e->to->name); } -bool del_edge_h(connection_t *c) { +bool del_edge_h(connection_t *c, const char *request) { edge_t *e; char from_name[MAX_STRING_SIZE]; char to_name[MAX_STRING_SIZE]; node_t *from, *to; - if(sscanf(c->buffer, "%*d %*x "MAX_STRING" "MAX_STRING, from_name, to_name) != 2) { - logger(LOG_ERR, "Got bad %s from %s (%s)", "DEL_EDGE", c->name, + if(sscanf(request, "%*d %*x "MAX_STRING" "MAX_STRING, from_name, to_name) != 2) { + logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "DEL_EDGE", c->name, c->hostname); return false; } @@ -182,12 +168,12 @@ bool del_edge_h(connection_t *c) { /* Check if names are valid */ if(!check_id(from_name) || !check_id(to_name)) { - logger(LOG_ERR, "Got bad %s from %s (%s): %s", "DEL_EDGE", c->name, + logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s): %s", "DEL_EDGE", c->name, c->hostname, "invalid name"); return false; } - if(seen_request(c->buffer)) + if(seen_request(request)) return true; /* Lookup nodes */ @@ -195,24 +181,14 @@ bool del_edge_h(connection_t *c) { from = lookup_node(from_name); to = lookup_node(to_name); - if(tunnelserver && - from != myself && from != c->node && - to != myself && to != c->node) { - /* ignore indirect edge registrations for tunnelserver */ - ifdebug(PROTOCOL) logger(LOG_WARNING, - "Ignoring indirect %s from %s (%s)", - "DEL_EDGE", c->name, c->hostname); - return true; - } - if(!from) { - ifdebug(PROTOCOL) logger(LOG_ERR, "Got %s from %s (%s) which does not appear in the edge tree", + logger(DEBUG_PROTOCOL, LOG_ERR, "Got %s from %s (%s) which does not appear in the edge tree", "DEL_EDGE", c->name, c->hostname); return true; } if(!to) { - ifdebug(PROTOCOL) logger(LOG_ERR, "Got %s from %s (%s) which does not appear in the edge tree", + logger(DEBUG_PROTOCOL, LOG_ERR, "Got %s from %s (%s) which does not appear in the edge tree", "DEL_EDGE", c->name, c->hostname); return true; } @@ -222,23 +198,22 @@ bool del_edge_h(connection_t *c) { e = lookup_edge(from, to); if(!e) { - ifdebug(PROTOCOL) logger(LOG_WARNING, "Got %s from %s (%s) which does not appear in the edge tree", + logger(DEBUG_PROTOCOL, LOG_WARNING, "Got %s from %s (%s) which does not appear in the edge tree", "DEL_EDGE", c->name, c->hostname); return true; } if(e->from == myself) { - ifdebug(PROTOCOL) logger(LOG_WARNING, "Got %s from %s (%s) for ourself", + logger(DEBUG_PROTOCOL, LOG_WARNING, "Got %s from %s (%s) for ourself", "DEL_EDGE", c->name, c->hostname); contradicting_del_edge++; - send_add_edge(c, e); /* Send back a correction */ + send_add_edge(c, e); /* Send back a correction */ return true; } /* Tell the rest about the deleted edge */ - if(!tunnelserver) - forward_request(c); + forward_request(c, request); /* Delete the edge */ @@ -253,8 +228,7 @@ bool del_edge_h(connection_t *c) { if(!to->status.reachable) { e = lookup_edge(to, myself); if(e) { - if(!tunnelserver) - send_del_edge(everyone, e); + send_del_edge(everyone, e); edge_del(e); } }