X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconnection.h;h=08778bf3fda5bdf8f9069ffa6521964e0e47afa3;hp=4d2ea2d35b2987d887269ab002165632e6768922;hb=551cd19406a560d0d206bff5b4e9da064ec222b6;hpb=8b2b67e26c5b971761f5015764d5e188f6343bc4 diff --git a/src/connection.h b/src/connection.h index 4d2ea2d3..08778bf3 100644 --- a/src/connection.h +++ b/src/connection.h @@ -1,7 +1,7 @@ /* connection.h -- header for connection.c - Copyright (C) 2000-2002 Guus Sliepen , - 2000-2002 Ivo Timmermans + Copyright (C) 2000-2006 Guus Sliepen , + 2000-2005 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 @@ -17,107 +17,92 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: connection.h,v 1.1.2.30 2002/09/04 16:26:44 guus Exp $ + $Id$ */ #ifndef __TINC_CONNECTION_H__ #define __TINC_CONNECTION_H__ -#include +#include "cipher.h" +#include "digest.h" +#include "rsa.h" +#include "splay_tree.h" -#include -#include +#define OPTION_INDIRECT 0x0001 +#define OPTION_TCPONLY 0x0002 +#define OPTION_PMTU_DISCOVERY 0x0004 + +typedef union connection_status_t { + struct { + 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_unused:1; /* Set to 1 if you want this connection removed */ + int timeout_unused: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:23; + }; + uint32_t value; +} connection_status_t; -#ifdef HAVE_OPENSSL_EVP_H -# include -#else -# include -#endif +#include "edge.h" +#include "list.h" +#include "net.h" +#include "node.h" -#ifdef HAVE_OPENSSL_RSA_H -# include -#else -# include -#endif +typedef struct connection_t { + char *name; /* name he claims to have */ -#include "net.h" -#include "conf.h" + union sockaddr_t address; /* his real (internet) ip */ + char *hostname; /* the hostname of its real ip */ + int protocol_version; /* used protocol */ -#include "node.h" -#include "edge.h" + int socket; /* socket used for this connection */ + long int options; /* options for this connection */ + 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 */ -#define OPTION_INDIRECT 0x0001 -#define OPTION_TCPONLY 0x0002 + struct node_t *node; /* node associated with the other end */ + struct edge_t *edge; /* edge associated with this connection */ -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; + rsa_t rsa; /* his public/private key */ + cipher_t incipher; /* Cipher he will use to send data to us */ + cipher_t outcipher; /* Cipher we will use to send data to him */ + digest_t indigest; + digest_t outdigest; -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 reqlen; /* length of incoming request */ - int tcplen; /* length of incoming TCPpacket */ - 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 */ + int inmaclength; + int outmaclength; + int incompression; + int outcompression; + + char *hischallenge; /* The challenge we sent to him */ + + struct bufferevent *buffer; /* buffer events on this metadata connection */ + struct event inevent; /* input event on this metadata connection */ + int tcplen; /* length of incoming TCPpacket */ + 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 or pinged them */ + + splay_tree_t *config_tree; /* Pointer to configuration tree belonging to him */ } connection_t; -extern avl_tree_t *connection_tree; +extern splay_tree_t *connection_tree; extern connection_t *broadcast; extern void init_connections(void); extern void exit_connections(void); -extern connection_t *new_connection(void); +extern connection_t *new_connection(void) __attribute__ ((__malloc__)); 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 *); +extern int dump_connections(struct evbuffer *); +extern bool read_connection_config(connection_t *); -#endif /* __TINC_CONNECTION_H__ */ +#endif /* __TINC_CONNECTION_H__ */