/*
connection.h -- header for connection.c
- Copyright (C) 2000 Guus Sliepen <guus@sliepen.warande.net>,
- 2000 Ivo Timmermans <itimmermans@bigfoot.com>
+ Copyright (C) 2000,2001 Guus Sliepen <guus@sliepen.warande.net>,
+ 2000,2001 Ivo Timmermans <itimmermans@bigfoot.com>
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: connection.h,v 1.1.2.4 2001/01/05 23:53:49 guus Exp $
+ $Id: connection.h,v 1.1.2.16 2001/10/10 20:35:10 guus Exp $
*/
#ifndef __TINC_CONNECTION_H__
#define __TINC_CONNECTION_H__
#include <avl_tree.h>
+#include <list.h>
#include "config.h"
#include "net.h"
#include "conf.h"
+#include "node.h"
+#include "vertex.h"
+
typedef struct status_bits_t {
int pinged:1; /* sent ping */
int meta:1; /* meta connection exists */
int unused:18;
} status_bits_t;
-typedef struct option_bits_t {
- int unused:32;
-} option_bits_t;
+#define OPTION_INDIRECT 0x0001
+#define OPTION_TCPONLY 0x0002
typedef struct connection_t {
- char *name; /* name of this connection */
ipv4_t address; /* his real (internet) ip */
+ short unsigned int port; /* port number of meta connection */
char *hostname; /* the hostname of its real ip */
int protocol_version; /* used protocol */
- short unsigned int port; /* port number for UDP traffic */
- long unsigned int options; /* options turned on for this connection */
- int flags; /* his flags */
- int socket; /* our udp vpn socket */
- int meta_socket; /* our tcp meta socket */
+ int socket; /* socket used for this connection */
+ long int options; /* options for this connection */
status_bits_t status; /* status info */
- packet_queue_t *sq; /* pending outgoing packets */
- packet_queue_t *rq; /* pending incoming packets (they have no
- valid key to be decrypted with) */
- RSA *rsa_key; /* the public/private key */
-
- EVP_CIPHER_CTX *cipher_inctx; /* Context of encrypted meta data that will come from him to us */
- EVP_CIPHER_CTX *cipher_outctx; /* Context of encrypted meta data that will be sent from us to him */
- char *cipher_inkey; /* His symmetric meta key */
- char *cipher_outkey; /* Our symmetric meta key */
-
- EVP_CIPHER *cipher_pkttype; /* Cipher type for encrypted vpn packets */
- char *cipher_pktkey; /* Cipher key and iv */
- int cipher_pktkeylength; /* Cipher key and iv length*/
-
- char *buffer; /* metadata input buffer */
- int buflen; /* bytes read into buffer */
- int reqlen; /* length of first request in buffer */
- int allow_request; /* defined if there's only one request possible */
-
- time_t last_ping_time; /* last time we saw some activity from the other end */
+ struct node_t *node; /* node associated with the other end */
+ struct vertex_t *vertex; /* vertex associated with this connection */
+
+ RSA *rsa_key; /* his public/private key */
+ EVP_CIPHER *incipher; /* Cipher he will use to send data to us */
+ EVP_CIPHER *outcipher; /* Cipher we will use to send data to him */
+ EVP_CIPHER_CTX *inctx; /* Context of encrypted meta data that will come from him to us */
+ EVP_CIPHER_CTX *outctx; /* Context of encrypted meta data that will be sent from us to him */
+ char *inkey; /* His symmetric meta key + iv */
+ char *outkey; /* Our symmetric meta key + iv */
+ int inkeylength; /* Length of his key + iv */
+ int outkeylength; /* Length of our key + iv */
char *mychallenge; /* challenge we received from him */
char *hischallenge; /* challenge we sent to him */
- struct connection_t *nexthop; /* nearest meta-hop in this direction */
-
- avl_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this connection */
+ char buffer[MAXBUFSIZE]; /* metadata input buffer */
+ int buflen; /* bytes read into buffer */
+ int tcplen; /* length of incoming TCPpacket */
+ int allow_request; /* defined if there's only one request possible */
- struct config_t *config; /* Pointer to configuration tree belonging to this host */
+ time_t last_ping_time; /* last time we saw some activity from the other end */
} connection_t;
extern avl_tree_t *connection_tree;
-extern connection_t *myself;
-
-extern void init_connections(void);
-extern connection_t *new_connection(void);
-extern void free_connection(connection_t *);
-extern void id_add(connection_t *);
-extern void connection_add(connection_t *);
-extern void connection_del(connection_t *);
-extern connection_t *lookup_id(char *);
-extern connection_t *lookup_connection(ipv4_t, short unsigned int);
-extern void dump_connection_list(void);
-extern int read_host_config(connection_t *);
-extern void destroy_connection_tree(void);
-extern void prune_connection_tree(void);
#endif /* __TINC_CONNECTION_H__ */