/*
node.h -- header for node.c
- Copyright (C) 2001-2003 Guus Sliepen <guus@sliepen.eu.org>,
- 2001-2003 Ivo Timmermans <ivo@o2w.nl>
+ Copyright (C) 2001-2009 Guus Sliepen <guus@tinc-vpn.org>,
+ 2001-2005 Ivo Timmermans
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: node.h,v 1.1.2.31 2003/12/22 11:04:16 guus Exp $
+ $Id$
*/
#ifndef __TINC_NODE_H__
#include "list.h"
#include "subnet.h"
-typedef struct node_status_t {
- int active:1; /* 1 if active.. */
- int validkey:1; /* 1 if we currently have a valid key for him */
- int waitingforkey:1; /* 1 if we already sent out a request */
- int visited:1; /* 1 if this node has been visited by one of the graph algorithms */
- int reachable:1; /* 1 if this node is reachable in the graph */
- int indirect:1; /* 1 if this node is not directly reachable by us */
- int unused:26;
+typedef union node_status_t {
+ struct {
+ int unused_active:1; /* 1 if active (not used for nodes) */
+ int validkey:1; /* 1 if we currently have a valid key for him */
+ int waitingforkey:1; /* 1 if we already sent out a request */
+ int visited:1; /* 1 if this node has been visited by one of the graph algorithms */
+ int reachable:1; /* 1 if this node is reachable in the graph */
+ int indirect:1; /* 1 if this node is not directly reachable by us */
+ int unused:26;
+ };
+ uint32_t value;
} node_status_t;
typedef struct node_t {
node_status_t status;
- const EVP_CIPHER *cipher; /* Cipher type for UDP packets */
- char *key; /* Cipher key and iv */
- int keylength; /* Cipher key and iv length */
- EVP_CIPHER_CTX packet_ctx; /* Cipher context */
+ const EVP_CIPHER *incipher; /* Cipher type for UDP packets received from him */
+ char *inkey; /* Cipher key and iv */
+ int inkeylength; /* Cipher key and iv length */
+ EVP_CIPHER_CTX inctx; /* Cipher context */
- const EVP_MD *digest; /* Digest type for MAC */
- int maclength; /* Length of MAC */
+ const EVP_CIPHER *outcipher; /* Cipher type for UDP packets sent to him*/
+ char *outkey; /* Cipher key and iv */
+ int outkeylength; /* Cipher key and iv length */
+ EVP_CIPHER_CTX outctx; /* Cipher context */
+
+ const EVP_MD *indigest; /* Digest type for MAC of packets received from him */
+ int inmaclength; /* Length of MAC */
- int compression; /* Compressionlevel, 0 = no compression */
+ const EVP_MD *outdigest; /* Digest type for MAC of packets sent to him*/
+ int outmaclength; /* Length of MAC */
- list_t *queue; /* Queue for packets awaiting to be encrypted */
+ int incompression; /* Compressionlevel, 0 = no compression */
+ int outcompression; /* Compressionlevel, 0 = no compression */
struct node_t *nexthop; /* nearest node from us to him */
struct node_t *via; /* next hop for UDP packets */
extern void node_del(node_t *);
extern node_t *lookup_node(char *);
extern node_t *lookup_node_udp(const sockaddr_t *);
+extern void update_node_udp(node_t *, const sockaddr_t *);
extern void dump_nodes(void);
#endif /* __TINC_NODE_H__ */