X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=ec88d3738b60ed84baa8565574fd1af6d1d53ab0;hp=dffc7cb13b59a79236b39fff58fa5424e6a1e4ff;hb=3cfc9424f255c26f2a7775b6fa059f1e3e47a76e;hpb=aeccaca829842910b4a5c8a5fa61e1738492bea6 diff --git a/src/net.h b/src/net.h index dffc7cb1..ec88d373 100644 --- a/src/net.h +++ b/src/net.h @@ -1,6 +1,6 @@ /* net.h -- header for net.c - Copyright (C) 1998,99 Ivo Timmermans + Copyright (C) 1998,1999,2000 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 @@ -15,6 +15,8 @@ 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: net.h,v 1.9.4.9 2000/08/08 17:07:48 guus Exp $ */ #ifndef __TINC_NET_H__ @@ -45,6 +47,11 @@ #define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */ +/* flags */ +#define INDIRECTDATA 0x0001 /* Used to indicate that this host has to be reached indirect */ +#define EXPORTINDIRECTDATA 0x0002 /* Used to indicate uplink that it has to tell others to do INDIRECTDATA */ +#define TCPONLY 0x0004 /* Tells sender to send packets over TCP instead of UDP (for firewalls) */ + typedef unsigned long ip_t; typedef short length_t; @@ -76,7 +83,7 @@ typedef struct status_bits_t { 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 unused:22; + int unused:21; } status_bits_t; typedef struct queue_element_t { @@ -100,8 +107,10 @@ typedef struct conn_list_t { ip_t vpn_ip; /* his vpn ip */ ip_t vpn_mask; /* his vpn network address */ ip_t real_ip; /* his real (internet) ip */ - char *hostname; /* the hostname of its real ip */ + char *real_hostname; /* the hostname of its real ip */ + char *vpn_hostname; /* the hostname of the vpn ip */ short unsigned int port; /* his portnumber */ + int flags; /* his flags */ int socket; /* our udp vpn socket */ int meta_socket; /* our tcp meta socket */ int protocol_version; /* used protocol */ @@ -112,9 +121,12 @@ typedef struct conn_list_t { valid key to be decrypted with) */ enc_key_t *public_key; /* the other party's public key */ enc_key_t *key; /* encrypt with this key */ - char buffer[MAXBUFSIZE]; /* metadata input buffer */ + char buffer[MAXBUFSIZE+1]; /* metadata input buffer */ int buflen; /* bytes read into buffer */ int reqlen; /* length of first request in buffer */ + int tcppacket; /* length of incoming TCP tunnelled packet */ + time_t last_ping_time; /* last time we saw some activity from the other end */ + int want_ping; /* 0 if there's no need to check for activity */ struct conn_list_t *nexthop; /* nearest meta-hop in this direction */ struct conn_list_t *next; /* after all, it's a list of connections */ } conn_list_t; @@ -130,12 +142,13 @@ extern conn_list_t *conn_list; extern conn_list_t *myself; extern int send_packet(ip_t, vpn_packet_t *); -extern int send_broadcast(conn_list_t *, vpn_packet_t *); extern int setup_network_connections(void); extern void close_network_connections(void); extern void main_loop(void); extern int setup_vpn_connection(conn_list_t *); extern void terminate_connection(conn_list_t *); extern void flush_queues(conn_list_t*); +extern int xrecv(conn_list_t *, void *); +extern void add_queue(packet_queue_t **, void *, size_t); #endif /* __TINC_NET_H__ */