X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=98367a3a882bf9e389fdaca7c877046bb4a909bb;hp=af13036381cf72a1fe679e50627c5f6214e1fb60;hb=e8e7379311ca3bf6e1fdd7d0f477a43e510e2317;hpb=1243156a5e03a666b36bc4400f1402243a85c9a7 diff --git a/src/net.h b/src/net.h index af130363..98367a3a 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 1.9.4.5 2000/06/29 13:04:15 guus Exp $ */ #ifndef __TINC_NET_H__ @@ -28,9 +30,6 @@ #define MAXSIZE 1700 /* should be a bit more than the MTU for the tapdevice */ #define MTU 1600 -#define MAX_PASSPHRASE_SIZE 2000 /* 2kb is really waaaay too much. nobody's - gonna need a 16 kbit passphrase */ - #define MAC_ADDR_S "%02x:%02x:%02x:%02x:%02x:%02x" #define MAC_ADDR_V(x) ((unsigned char*)&(x))[0],((unsigned char*)&(x))[1], \ ((unsigned char*)&(x))[2],((unsigned char*)&(x))[3], \ @@ -46,6 +45,12 @@ ((unsigned char*)&(x))[1],((unsigned char*)&(x))[0] #endif +#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 */ + typedef unsigned long ip_t; typedef short length_t; @@ -61,9 +66,8 @@ typedef struct real_packet_t { } real_packet_t; typedef struct passphrase_t { - unsigned char type; unsigned short len; - unsigned char phrase[MAX_PASSPHRASE_SIZE]; + unsigned char *phrase; } passphrase_t; typedef struct status_bits_t { @@ -83,6 +87,7 @@ typedef struct status_bits_t { typedef struct queue_element_t { void *packet; + struct queue_element_t *prev; struct queue_element_t *next; } queue_element_t; @@ -101,11 +106,13 @@ 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 */ - short int port; /* his portnumber */ + 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 */ - unsigned char protocol_version; /* used protocol */ + int protocol_version; /* used protocol */ status_bits_t status; /* status info */ passphrase_t *pp; /* encoded passphrase */ packet_queue_t *sq; /* pending outgoing packets */ @@ -113,6 +120,11 @@ 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+1]; /* metadata input buffer */ + int buflen; /* bytes read into buffer */ + int reqlen; /* length of first request in buffer */ + 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; @@ -128,7 +140,6 @@ 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);