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Merging of the entire pre5 branch.

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This commit is contained in:
Guus Sliepen 2002-02-10 21:57:54 +00:00
parent c2752b961c
commit f0aa9641e8
70 changed files with 2575 additions and 4056 deletions
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60
src/net.h
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@ -1,7 +1,7 @@
/*
net.h -- header for net.c
Copyright (C) 1998-2001 Ivo Timmermans <zarq@iname.com>
2000,2001 Guus Sliepen <guus@sliepen.warande.net>
Copyright (C) 1998-2002 Ivo Timmermans <zarq@iname.com>
2000-2002 Guus Sliepen <guus@sliepen.warande.net>
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
@ -17,7 +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 1.9.4.37 2001/11/16 12:08:38 zarq Exp $
$Id: net.h,v 1.9.4.38 2002/02/10 21:57:54 guus Exp $
*/
#ifndef __TINC_NET_H__
@ -27,41 +27,35 @@
#include "config.h"
#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 MTU 1514 /* 1500 bytes payload + 14 bytes ethernet header */
#define MAXSIZE 1600 /* MTU + header (seqno) and trailer (CBC padding and HMAC) */
#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], \
((unsigned char*)&(x))[4],((unsigned char*)&(x))[5]
#define IP_ADDR_S "%d.%d.%d.%d"
#ifdef WORDS_BIGENDIAN
# define IP_ADDR_V(x) ((unsigned char*)&(x))[0],((unsigned char*)&(x))[1], \
((unsigned char*)&(x))[2],((unsigned char*)&(x))[3]
#else
# define IP_ADDR_V(x) ((unsigned char*)&(x))[3],((unsigned char*)&(x))[2], \
((unsigned char*)&(x))[1],((unsigned char*)&(x))[0]
#endif
#define MAXBUFSIZE 4096 /* Probably way too much, but it must fit every possible request. */
/* tap types */
#define TAP_TYPE_ETHERTAP 0
#define TAP_TYPE_TUNTAP 1
#define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */
typedef struct mac_t
{
unsigned char x[6];
} mac_t;
typedef unsigned long ipv4_t;
typedef struct ip_mask_t {
ipv4_t address;
ipv4_t mask;
} ip_mask_t;
typedef struct ipv6_t
{
unsigned short x[8];
} ipv6_t;
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 */
unsigned char salt[SALTLEN]; /* two bytes of randomness */
unsigned int seqno; /* 32 bits sequence number (network byte order of course) */
unsigned char data[MAXSIZE];
} vpn_packet_t;
@ -76,11 +70,16 @@ typedef struct packet_queue_t {
queue_element_t *tail;
} packet_queue_t;
typedef struct outgoing_t {
char *name;
int timeout;
} outgoing_t;
extern int maxtimeout;
extern int seconds_till_retry;
extern char *request_name[256];
extern char *status_text[10];
extern char *request_name[];
extern char *status_text[];
#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
@ -89,11 +88,12 @@ 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 setup_outgoing_connection(struct outgoing_t *);
extern void try_outgoing_connections(void);
extern void close_network_connections(void);
extern void main_loop(void);
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__ */