X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=e5daed9e676d0ba9eaa82668abc11a40416693c4;hp=e3d974edbe79efb01712584c971439dc312072b3;hb=ac066bb057dcb187bf91670793ba5e6ca456e052;hpb=698191fd2f512f3618e2d60592fcd57cd750b965 diff --git a/src/net.h b/src/net.h index e3d974ed..e5daed9e 100644 --- a/src/net.h +++ b/src/net.h @@ -1,6 +1,7 @@ /* net.h -- header for net.c - Copyright (C) 1998,1999,2000 Ivo Timmermans + Copyright (C) 1998-2001 Ivo Timmermans + 2000,2001 Guus Sliepen 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 @@ -16,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: net.h,v 1.9.4.21 2000/11/04 22:57:31 guus Exp $ + $Id: net.h,v 1.9.4.36 2001/10/27 13:13:35 guus Exp $ */ #ifndef __TINC_NET_H__ @@ -26,8 +27,9 @@ #include "config.h" -#define MAXSIZE 1700 /* should be a bit more than the MTU for the tapdevice */ +#define MAXSIZE 1700 /* should be a bit more than the MTU for the tapdevice */ #define MTU 1600 +#define SALTLEN 2 /* to spice things up for the NSA... */ #define MAC_ADDR_S "%02x:%02x:%02x:%02x:%02x:%02x" #define MAC_ADDR_V(x) ((unsigned char*)&(x))[0],((unsigned char*)&(x))[1], \ @@ -46,11 +48,6 @@ #define MAXBUFSIZE 4096 /* 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) */ - /* tap types */ #define TAP_TYPE_ETHERTAP 0 #define TAP_TYPE_TUNTAP 1 @@ -62,7 +59,10 @@ typedef struct mac_t typedef unsigned long ipv4_t; -typedef ipv4_t ip_t; /* alias for ipv4_t */ +typedef struct ip_mask_t { + ipv4_t address; + ipv4_t mask; +} ip_mask_t; typedef struct ipv6_t { @@ -74,7 +74,8 @@ typedef unsigned short port_t; typedef short length_t; typedef struct vpn_packet_t { - length_t len; /* the actual number of bytes in the `data' field */ + length_t len; /* the actual number of bytes in the `data' field */ + unsigned char salt[SALTLEN]; /* two bytes of randomness */ unsigned char data[MAXSIZE]; } vpn_packet_t; @@ -89,35 +90,24 @@ typedef struct packet_queue_t { queue_element_t *tail; } packet_queue_t; -typedef struct enc_key_t { - int length; - char *key; - time_t expiry; -} enc_key_t; - -extern int tap_fd; - -extern int total_tap_in; -extern int total_tap_out; -extern int total_socket_in; -extern int total_socket_out; - -extern char *unknown; +extern int maxtimeout; +extern int seconds_till_retry; extern char *request_name[256]; extern char *status_text[10]; -#include "connlist.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */ +#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */ -extern int str2opt(const char *); -extern char *opt2str(int); -extern int send_packet(ip_t, vpn_packet_t *); +extern void send_packet(struct node_t *, vpn_packet_t *); +extern void receive_packet(struct node_t *, vpn_packet_t *); +extern void receive_tcppacket(struct connection_t *, char *, int); +extern void broadcast_packet(struct node_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 void add_queue(packet_queue_t **, void *, size_t); +extern void terminate_connection(connection_t *, int); +extern void flush_queue(struct node_t *); +extern int read_rsa_public_key(struct connection_t *); +extern RETSIGTYPE try_outgoing_connections(int); #endif /* __TINC_NET_H__ */