X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=8d416ec2a5f314985e819aea7fe64ad7b7e20e53;hp=f2d34be0d802afd0d20de0bbddae48bc9d14788e;hb=950fb8e916b0e248dcaa72c96859acd6046683aa;hpb=5b7242285795f5143770b663055b87ebb5dd15b8

diff --git a/src/net.h b/src/net.h
index f2d34be0..8d416ec2 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 <zarq@iname.com>
+    Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.com>
 
     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 1.9.4.14 2000/10/11 10:35:16 guus Exp $
 */
 
 #ifndef __TINC_NET_H__
@@ -24,13 +26,11 @@
 
 #include "config.h"
 #include "conf.h"
+#include "connlist.h"
 
 #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], \
@@ -46,7 +46,29 @@
                       ((unsigned char*)&(x))[1],((unsigned char*)&(x))[0]
 #endif
 
-typedef unsigned long ip_t;
+#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 struct mac_t
+{
+  unsigned char x[6];
+} mac_t;
+
+typedef unsigned long ipv4_t;
+
+typedef ipv4_t ip_t; /* alias for ipv4_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 {
@@ -54,16 +76,9 @@ typedef struct vpn_packet_t {
   unsigned char data[MAXSIZE];
 } vpn_packet_t;
 
-typedef struct real_packet_t {
-  length_t len;		/* the length of the entire packet */
-  ip_t from;		/* where the packet came from */
-  vpn_packet_t data;	/* encrypted vpn_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 {
@@ -78,9 +93,15 @@ 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 encryptout:1;		   /* 1 if we can encrypt outgoing traffic */
+  int decryptin:1;                 /* 1 if we have to decrypt incoming traffic */
+  int unused:18;
 } status_bits_t;
 
+typedef struct option_bits_t {
+  int unused:32;
+} option_bits_t;
+
 typedef struct queue_element_t {
   void *packet;
   struct queue_element_t *prev;
@@ -98,26 +119,6 @@ typedef struct enc_key_t {
   time_t expiry;
 } enc_key_t;
 
-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 */
-  int socket;                      /* our udp vpn socket */
-  int meta_socket;                 /* our tcp meta socket */
-  unsigned char protocol_version;  /* used protocol */
-  status_bits_t status;            /* status info */
-  passphrase_t *pp;                /* encoded passphrase */
-  packet_queue_t *sq;              /* pending outgoing packets */
-  packet_queue_t *rq;              /* pending incoming packets (they have no
-				      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 */
-  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;
-
 extern int tap_fd;
 
 extern int total_tap_in;
@@ -125,16 +126,19 @@ extern int total_tap_out;
 extern int total_socket_in;
 extern int total_socket_out;
 
-extern conn_list_t *conn_list;
-extern conn_list_t *myself;
+extern char *request_name[256];
+extern char *status_text[10];
 
+extern int str2opt(const char *);
+extern char *opt2str(int);
 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(vpn_packet_t *);
+extern void add_queue(packet_queue_t **, void *, size_t);
 
 #endif /* __TINC_NET_H__ */