X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=fdda07ed9f9a310af3d736f6bb18055b3a287526;hp=7dae41937eb5859cc6587f9a23dd0a63becd50ec;hb=d8e2f7104c3203edbf23d2349656c765a4310dee;hpb=ca6abd41ea0cdf2ca6491c3945fb3c62fd40ab98

diff --git a/src/net.h b/src/net.h
index 7dae4193..fdda07ed 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
@@ -28,9 +28,6 @@
 #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], \
@@ -48,6 +45,10 @@
 
 #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;
 
@@ -64,7 +65,7 @@ typedef struct real_packet_t {
 
 typedef struct passphrase_t {
   unsigned short len;
-  unsigned char phrase[MAX_PASSPHRASE_SIZE];
+  unsigned char *phrase;
 } passphrase_t;
 
 typedef struct status_bits_t {
@@ -105,18 +106,22 @@ typedef struct conn_list_t {
   ip_t real_ip;                    /* his real (internet) ip */
   char *hostname;                  /* the hostname of its real ip */
   short unsigned int port;         /* his portnumber */
+  int flags;                       /* his flags */
   int socket;                      /* our udp vpn socket */
   int meta_socket;                 /* our tcp meta socket */
   int protocol_version;            /* used protocol */
   status_bits_t status;            /* status info */
-  unsigned char *pp;               /* encoded passphrase */
+  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 */
-  char buffer[MAXBUFSIZE];         /* metadata input buffer */
+  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;
@@ -132,7 +137,6 @@ 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);