X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconnection.h;h=7fa769f8d784042edb85c319f31263146369e7bc;hp=fdc87d74f2afc253cc37fe3ff3f70fad3eefd263;hb=c2dc3784f127ef6db6e9960a4abecc1aab6f4e31;hpb=d134c4542d4e890e1c1007f32b866742319853c5 diff --git a/src/connection.h b/src/connection.h index fdc87d74..7fa769f8 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) 2000-2013 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 @@ -13,109 +13,107 @@ 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 1.1.2.28 2002/09/03 20:43:24 guus Exp $ + 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., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef __TINC_CONNECTION_H__ #define __TINC_CONNECTION_H__ -#include +#include "buffer.h" +#include "cipher.h" +#include "digest.h" +#include "rsa.h" +#include "list.h" +#include "sptps.h" -#include -#include +#define OPTION_INDIRECT 0x0001 +#define OPTION_TCPONLY 0x0002 +#define OPTION_PMTU_DISCOVERY 0x0004 +#define OPTION_CLAMP_MSS 0x0008 +#define OPTION_VERSION(x) ((x) >> 24) /* Top 8 bits are for protocol minor version */ -#ifdef HAVE_OPENSSL_EVP_H -# include -#else -# include -#endif +typedef struct connection_status_t { + unsigned int pinged:1; /* sent ping */ + unsigned int unused_active:1; + unsigned int connecting:1; /* 1 if we are waiting for a non-blocking connect() to finish */ + unsigned int unused_termreq:1; /* the termination of this connection was requested */ + unsigned int remove_unused:1; /* Set to 1 if you want this connection removed */ + unsigned int timeout_unused:1; /* 1 if gotten timeout */ + unsigned int encryptout:1; /* 1 if we can encrypt outgoing traffic */ + unsigned int decryptin:1; /* 1 if we have to decrypt incoming traffic */ + unsigned int mst:1; /* 1 if this connection is part of a minimum spanning tree */ + unsigned int control:1; /* 1 if this is a control connection */ + unsigned int pcap:1; /* 1 if this is a control connection requesting packet capture */ + unsigned int log:1; /* 1 if this is a control connection requesting log dump */ + unsigned int invitation:1; /* 1 if this is an invitation */ + unsigned int invitation_used:1; /* 1 if the invitation has been consumed */ + unsigned int unused:18; +} connection_status_t; + +#include "ecdsa.h" +#include "edge.h" +#include "net.h" +#include "node.h" -#ifdef HAVE_OPENSSL_RSA_H -# include -#else -# include +typedef struct connection_t { + char *name; /* name he claims to have */ + char *hostname; /* the hostname of its real ip */ + + union sockaddr_t address; /* his real (internet) ip */ + int protocol_major; /* used protocol */ + int protocol_minor; /* used protocol */ + + int socket; /* socket used for this connection */ + uint32_t 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 */ + + struct node_t *node; /* node associated with the other end */ + struct edge_t *edge; /* edge associated with this connection */ + +#ifndef DISABLE_LEGACY + rsa_t *rsa; /* his public RSA 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; #endif -#include "net.h" -#include "conf.h" + ecdsa_t *ecdsa; /* his public ECDSA key */ + sptps_t sptps; -#include "node.h" + int inmaclength; + int outmaclength; + int incompression; + int outcompression; -#define OPTION_INDIRECT 0x0001 -#define OPTION_TCPONLY 0x0002 + char *hischallenge; /* The challenge we sent to him */ -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; + struct buffer_t inbuf; + struct buffer_t outbuf; + io_t io; /* input/output event on this metadata connection */ + int tcplen; /* length of incoming TCPpacket */ + int sptpslen; /* length of incoming SPTPS packet */ + int allow_request; /* defined if there's only one request possible */ -typedef struct connection_t { - char *name; /* name he claims to have */ - - sockaddr_t address; /* his real (internet) ip */ - sockaddr_t myaddress; /* our own address as seen by him */ - - 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 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 */ - - 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 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 */ + 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 list_t *connection_list; +extern connection_t *everyone; 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 bool dump_connections(struct connection_t *); #endif /* __TINC_CONNECTION_H__ */