X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fpokey%2Fprotocol_edge.c;fp=src%2Fpokey%2Fprotocol_edge.c;h=0000000000000000000000000000000000000000;hb=013a2e159e42c46808ea8d0b6abd57525db30a50;hp=90c946c647e69f05e02663a8cfc90d3c23d19268;hpb=efa5148bc76effb440d807d653dda02de050fde0;p=tinc diff --git a/src/pokey/protocol_edge.c b/src/pokey/protocol_edge.c deleted file mode 100644 index 90c946c6..00000000 --- a/src/pokey/protocol_edge.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - protocol_edge.c -- handle the meta-protocol, edges - Copyright (C) 1999-2002 Ivo Timmermans , - 2000-2002 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 - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id: protocol_edge.c,v 1.2 2002/05/02 11:50:07 zarq Exp $ -*/ - -#include "config.h" - -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "conf.h" -#include "interface.h" -#include "net.h" -#include "netutl.h" -#include "protocol.h" -#include "meta.h" -#include "connection.h" -#include "node.h" -#include "edge.h" -#include "graph.h" -#include "logging.h" - -#include "system.h" - -int send_add_edge(connection_t *c, edge_t *e) -{ - int x; - char *from_udpaddress, *from_udpport; - char *to_udpaddress, *to_udpport; -cp - /* sockaddr2str(&e->from.tcpaddress, &from_tcpaddress, &from_tcpport); */ - sockaddr2str(&e->from.udpaddress, &from_udpaddress, &from_udpport); - /* sockaddr2str(&e->to.tcpaddress, &to_tcpaddress, &to_tcpport); */ - sockaddr2str(&e->to.udpaddress, &to_udpaddress, &to_udpport); - x = send_request(c, "%d %lx %s %s %s %s %s %s %lx %d", ADD_EDGE, random(), - e->from.node->name, from_udpaddress, from_udpport, - e->to.node->name, to_udpaddress, to_udpport, - e->options, e->weight); - /* free(from_tcpaddress); */ - /* free(from_tcpport); */ - free(from_udpaddress); - free(from_udpport); - /* free(to_tcpaddress); */ - /* free(to_tcpport); */ - free(to_udpaddress); - free(to_udpport); -cp - return x; -} - -int add_edge_h(connection_t *c) -{ - connection_t *other; - edge_t *e; - node_t *from, *to; - char from_name[MAX_STRING_SIZE]; - char to_name[MAX_STRING_SIZE]; - char from_address[MAX_STRING_SIZE]; - /* char from_tcpport[MAX_STRING_SIZE]; */ - char from_udpport[MAX_STRING_SIZE]; - char to_address[MAX_STRING_SIZE]; - /* char to_tcpport[MAX_STRING_SIZE]; */ - char to_udpport[MAX_STRING_SIZE]; - sockaddr_t from_udpaddress; - sockaddr_t to_udpaddress; - long int options; - int weight; - avl_node_t *node; -cp - if(sscanf(c->buffer, "%*d %*x "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" %lx %d", - from_name, from_address, from_udpport, - to_name, to_address, to_udpport, - &options, &weight) != 8) - { - syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ADD_EDGE", c->name, c->hostname); - return -1; - } - - /* Check if names are valid */ - - if(check_id(from_name)) - { - syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_EDGE", c->name, c->hostname, _("invalid name")); - return -1; - } - - if(check_id(to_name)) - { - syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_EDGE", c->name, c->hostname, _("invalid name")); - return -1; - } - - if(seen_request(c->buffer)) - return 0; - - /* Lookup nodes */ - - from = lookup_node(from_name); - - if(!from) - { - from = new_node(); - from->name = xstrdup(from_name); - node_add(from); - } - - to = lookup_node(to_name); - - if(!to) - { - to = new_node(); - to->name = xstrdup(to_name); - node_add(to); - } - - /* Convert addresses */ - - /* from_tcpaddress = str2sockaddr(from_address, from_tcpport); */ - from_udpaddress = str2sockaddr(from_address, from_udpport); - /* to_tcpaddress = str2sockaddr(to_address, to_tcpport); */ - to_udpaddress = str2sockaddr(to_address, to_udpport); - - /* Check if edge already exists */ - - e = lookup_edge(from, to); - - if(e) - { - if(e->weight != weight || e->options != options - || ((e->from.node == from) && (sockaddrcmp(&e->from.udpaddress, &from_udpaddress)|| sockaddrcmp(&e->to.udpaddress, &to_udpaddress))) - || ((e->from.node == to) && (sockaddrcmp(&e->from.udpaddress, &to_udpaddress) || sockaddrcmp(&e->to.udpaddress, &from_udpaddress))) - ) - { - if(from == myself || to == myself) - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(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 0; - } - else - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(LOG_WARNING, _("Got %s from %s (%s) which does not match existing entry"), "ADD_EDGE", c->name, c->hostname); - edge_del(e); - } - } - else - return 0; - } - else if(from == myself || to == myself) - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(LOG_WARNING, _("Got %s from %s (%s) for ourself which does not exist"), "ADD_EDGE", c->name, c->hostname); - e = new_edge(); - e->from.node = from; - e->to.node = to; - send_del_edge(c, e); - free_edge(e); - return 0; - } - - e = new_edge(); - e->from.node = from; - /* e->from.tcpaddress = from_tcpaddress; */ - e->from.udpaddress = from_udpaddress; - e->to.node = to; - /* e->to.tcpaddress = to_tcpaddress; */ - e->to.udpaddress = to_udpaddress; - e->options = options; - e->weight = weight; - edge_add(e); - - /* Tell the rest about the new edge */ - - for(node = connection_tree->head; node; node = node->next) - { - other = (connection_t *)node->data; - if(other->status.active && other != c) - send_request(other, "%s", c->buffer); - } - - /* Run MST before or after we tell the rest? */ - - graph(); -cp - return 0; -} - -int send_del_edge(connection_t *c, edge_t *e) -{ -cp - return send_request(c, "%d %lx %s %s", DEL_EDGE, random(), - e->from.node->name, e->to.node->name); -} - -int del_edge_h(connection_t *c) -{ - edge_t *e; - char from_name[MAX_STRING_SIZE]; - char to_name[MAX_STRING_SIZE]; - node_t *from, *to; - connection_t *other; - avl_node_t *node; -cp - if(sscanf(c->buffer, "%*d %*x "MAX_STRING" "MAX_STRING"", from_name, to_name) != 2) - { - syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "DEL_EDGE", - c->name, c->hostname); - return -1; - } - - /* Check if names are valid */ - - if(check_id(from_name)) - { - syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("invalid name")); - return -1; - } - - if(check_id(to_name)) - { - syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("invalid name")); - return -1; - } - - if(seen_request(c->buffer)) - return 0; - - /* Lookup nodes */ - - from = lookup_node(from_name); - - if(!from) - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(LOG_ERR, _("Got %s from %s (%s) which does not appear in the edge tree"), "DEL_EDGE", c->name, c->hostname); - return 0; - } - - to = lookup_node(to_name); - - if(!to) - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(LOG_ERR, _("Got %s from %s (%s) which does not appear in the edge tree"), "DEL_EDGE", c->name, c->hostname); - return 0; - } - - /* Check if edge exists */ - - e = lookup_edge(from, to); - - if(!e) - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(LOG_WARNING, _("Got %s from %s (%s) which does not appear in the edge tree"), "DEL_EDGE", c->name, c->hostname); - return 0; - } - - if(e->from.node == myself || e->to.node == myself) - { - if(debug_lvl >= DEBUG_PROTOCOL) - syslog(LOG_WARNING, _("Got %s from %s (%s) for ourself"), "DEL_EDGE", c->name, c->hostname); - send_add_edge(c, e); /* Send back a correction */ - return 0; - } - - /* Tell the rest about the deleted edge */ - - for(node = connection_tree->head; node; node = node->next) - { - other = (connection_t *)node->data; - if(other->status.active && other != c) - send_request(other, "%s", c->buffer); - } - - /* Delete the edge */ - - edge_del(e); - - /* Run MST before or after we tell the rest? */ - - graph(); -cp - return 0; -}