X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconnection.h;h=a6d8c58e2e9066eeb3ef9702e53a5efb08b89857;hp=9d38263a19b55ac88dc112b9814ab537dd82fcf3;hb=82ebfc923ddb050c88bdf5d65ac943a15ca8748a;hpb=5904806dc80830d4eddca857a41db2fc25598201 diff --git a/src/connection.h b/src/connection.h index 9d38263a..a6d8c58e 100644 --- a/src/connection.h +++ b/src/connection.h @@ -1,7 +1,7 @@ /* connection.h -- header for connection.c - Copyright (C) 2000,2001 Guus Sliepen , - 2000,2001 Ivo Timmermans + Copyright (C) 2000-2002 Guus Sliepen , + 2000-2002 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 @@ -17,17 +17,17 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: connection.h,v 1.1.2.15 2001/10/10 09:42:29 guus Exp $ + $Id: connection.h,v 1.1.2.29 2002/09/04 13:48:51 guus Exp $ */ #ifndef __TINC_CONNECTION_H__ #define __TINC_CONNECTION_H__ +#include + #include #include -#include "config.h" - #ifdef HAVE_OPENSSL_EVP_H # include #else @@ -44,48 +44,56 @@ #include "conf.h" #include "node.h" -#include "vertex.h" +#include "edge.h" + +#define OPTION_INDIRECT 0x0001 +#define OPTION_TCPONLY 0x0002 -typedef struct status_bits_t { +typedef struct connection_status_t { int pinged:1; /* sent ping */ - int meta:1; /* meta connection exists */ int active:1; /* 1 if active.. */ - int outgoing:1; /* I myself asked for this conn */ + 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 validkey:1; /* 1 if we currently have a valid key for him */ - int waitingforkey:1; /* 1 if we already sent out a request */ - int dataopen:1; /* 1 if we have a valid UDP connection open */ 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; -} status_bits_t; - -#define OPTION_INDIRECT 0x0001 -#define OPTION_TCPONLY 0x0002 +} connection_status_t; typedef struct connection_t { - ipv4_t address; /* his real (internet) ip */ - short unsigned int port; /* port number of meta connection */ + 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 */ - status_bits_t status; /* status info */ + 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 vertex_t *vertex; /* vertex associated with this connection */ + struct edge_t *edge; /* edge 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 */ + 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 */ @@ -95,8 +103,19 @@ typedef struct connection_t { 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__ */