+++ /dev/null
-/*
- connection.h -- header for connection.c
- Copyright (C) 2000-2002 Guus Sliepen <guus@sliepen.warande.net>,
- 2000-2002 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
- 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: connection.h,v 1.1 2002/04/28 12:46:26 zarq Exp $
-*/
-
-#ifndef __TINC_CONNECTION_H__
-#define __TINC_CONNECTION_H__
-
-#include <sys/time.h>
-
-#include <avl_tree.h>
-#include <list.h>
-
-#ifdef HAVE_OPENSSL_EVP_H
-# include <openssl/evp.h>
-#else
-# include <evp.h>
-#endif
-
-#ifdef HAVE_OPENSSL_RSA_H
-# include <openssl/rsa.h>
-#else
-# include <rsa.h>
-#endif
-
-#include "net.h"
-#include "conf.h"
-
-#include "node.h"
-#include "edge.h"
-
-#define OPTION_INDIRECT 0x0001
-#define OPTION_TCPONLY 0x0002
-
-typedef struct connection_status_t {
- int pinged:1; /* sent ping */
- int active:1; /* 1 if active.. */
- int connecting:1; /* 1 if we are waiting for a non-blocking connect() to finish */
- int termreq:1; /* the termination of this connection was requested */
- int remove:1; /* Set to 1 if you want this connection removed */
- int timeout:1; /* 1 if gotten timeout */
- int encryptout:1; /* 1 if we can encrypt outgoing traffic */
- int decryptin:1; /* 1 if we have to decrypt incoming traffic */
- int mst:1; /* 1 if this connection is part of a minimum spanning tree */
- int unused:18;
-} connection_status_t;
-
-typedef struct connection_t {
- char *name; /* name he claims to have */
-
- sockaddr_t address; /* his real (internet) ip */
- char *hostname; /* the hostname of its real ip */
- int protocol_version; /* used protocol */
-
- int socket; /* socket used for this connection */
- long int options; /* options for this connection */
- struct connection_status_t status; /* status info */
- int estimated_weight; /* estimation for the weight of the edge for this connection */
- struct timeval start; /* time this connection was started, used for above estimation */
- struct outgoing_t *outgoing; /* used to keep track of outgoing connections */
-
- struct node_t *node; /* node associated with the other end */
- struct edge_t *edge; /* edge associated with this connection */
-
- RSA *rsa_key; /* his public/private key */
- const EVP_CIPHER *incipher; /* Cipher he will use to send data to us */
- const 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 */
- const EVP_MD *indigest;
- const EVP_MD *outdigest;
- int inmaclength;
- int outmaclength;
- int incompression;
- int outcompression;
- char *mychallenge; /* challenge we received from him */
- char *hischallenge; /* challenge we sent to him */
-
- char buffer[MAXBUFSIZE]; /* metadata input buffer */
- int buflen; /* bytes read into 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 */
-
- avl_tree_t *config_tree; /* Pointer to configuration tree belonging to him */
-} connection_t;
-
-extern avl_tree_t *connection_tree;
-
-extern void init_connections(void);
-extern void exit_connections(void);
-extern connection_t *new_connection(void);
-extern void free_connection(connection_t *);
-extern void connection_add(connection_t *);
-extern void connection_del(connection_t *);
-extern void dump_connections(void);
-extern int read_connection_config(connection_t *);
-
-#endif /* __TINC_CONNECTION_H__ */
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