/*
node.h -- header for node.c
- Copyright (C) 2001-2006 Guus Sliepen <guus@tinc-vpn.org>,
+ 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
typedef union node_status_t {
struct {
- int active:1; /* 1 if active.. */
+ 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 */
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__ */