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- s/ip_t/ipv4_t/g

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- Add "salt" to the beginning of UDP packets. Replaces length field which
  is not useful anyway.
This commit is contained in:
Guus Sliepen 2001-05-07 19:08:46 +00:00
parent a26081467c
commit e4f3d93ec6
5 changed files with 188 additions and 124 deletions
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10
src/net.h
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@ -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 1.9.4.29 2001/03/04 13:59:28 guus Exp $
$Id: net.h,v 1.9.4.30 2001/05/07 19:08:46 guus Exp $
*/
#ifndef __TINC_NET_H__
@ -27,8 +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], \
@ -58,8 +59,6 @@ typedef struct mac_t
typedef unsigned long ipv4_t;
typedef ipv4_t ip_t; /* alias for ipv4_t */
typedef struct ipv6_t
{
unsigned short x[8];
@ -70,7 +69,8 @@ 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;