/*
net.c -- most of the network code
Copyright (C) 1998-2005 Ivo Timmermans,
- 2000-2010 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2011 Guus Sliepen <guus@tinc-vpn.org>
2006 Scott Lamb <slamb@slamb.org>
This program is free software; you can redistribute it and/or modify
volatile bool running = false;
time_t now = 0;
+int contradicting_add_edge = 0;
+int contradicting_del_edge = 0;
/* Purge edges and subnets of unreachable nodes. Use carefully. */
int result, i;
socklen_t len = sizeof(result);
vpn_packet_t packet;
+ static int errors = 0;
/* check input from kernel */
if(device_fd >= 0 && FD_ISSET(device_fd, readset)) {
if(read_packet(&packet)) {
+ errors = 0;
packet.priority = 0;
route(myself, &packet);
+ } else {
+ usleep(errors * 50000);
+ errors++;
+ if(errors > 10) {
+ logger(LOG_ERR, "Too many errors from %s, exiting!", device);
+ running = false;
+ }
}
}
}
}
- send_key_changed(broadcast, myself);
+ send_key_changed();
keyexpires = now + keylifetime;
}
+
+ if(contradicting_del_edge > 10 && contradicting_add_edge > 10) {
+ logger(LOG_WARNING, "Possible node with same Name as us!");
+
+ if(rand() % 3 == 0) {
+ logger(LOG_ERR, "Shutting down, check configuration of all nodes for duplicate Names!");
+ running = false;
+ break;
+ }
+
+ contradicting_add_edge = 0;
+ contradicting_del_edge = 0;
+ }
}
if(sigalrm) {