X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=22d78b2b3de5590a7dda0fa9b8b13277fa454281;hp=93c8be19bdca32973f254c81eb9c676d29d89c49;hb=eefa28059ab989c915a7d95fb4ae728abd7ce713;hpb=8d472a415e9c5fdb878386005d29cdfd97b8a404

diff --git a/src/net.h b/src/net.h
index 93c8be19..22d78b2b 100644
--- a/src/net.h
+++ b/src/net.h
@@ -1,7 +1,7 @@
 /*
     net.h -- header for net.c
-    Copyright (C) 1998-2002 Ivo Timmermans <zarq@iname.com>
-                  2000-2002 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 1998-2003 Ivo Timmermans <zarq@iname.com>
+                  2000-2003 Guus Sliepen <guus@sliepen.eu.org>
 
     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
@@ -17,33 +17,25 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.h,v 1.9.4.55 2002/09/15 12:26:24 guus Exp $
+    $Id: net.h,v 1.9.4.66 2003/07/22 20:55:20 guus Exp $
 */
 
 #ifndef __TINC_NET_H__
 #define __TINC_NET_H__
 
-#include "config.h"
+#include <openssl/evp.h>
 
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <sys/time.h>
-
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
+#include "ipv6.h"
 
 #ifdef ENABLE_JUMBOGRAMS
 #define MTU 9014				/* 9000 bytes payload + 14 bytes ethernet header */
-#define MAXSIZE 9100			/* MTU + header (seqno) and trailer (CBC padding and HMAC) */
-#define MAXBUFSIZE 9100			/* Must support TCP packets of length 9000. */
 #else
 #define MTU 1514				/* 1500 bytes payload + 14 bytes ethernet header */
-#define MAXSIZE 1600			/* MTU + header (seqno) and trailer (CBC padding and HMAC) */
-#define MAXBUFSIZE 2100			/* Quite large but needed for support of keys up to 8192 bits. */
 #endif
 
+#define MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20)	/* MTU + seqno + padding + HMAC + compressor overhead */
+#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128)	/* Enough room for a request with a MAXSIZEd packet or a 8192 bits RSA key */
+
 #define MAXSOCKETS 128			/* Overkill... */
 
 #define MAXQUEUELENGTH 8		/* Maximum number of packats in a single queue */
@@ -56,21 +48,19 @@ typedef struct ipv4_t {
 	uint8_t x[4];
 } ipv4_t;
 
-typedef struct ip_mask_t {
-	ipv4_t address;
-	ipv4_t mask;
-} ip_mask_t;
-
 typedef struct ipv6_t {
 	uint16_t x[8];
 } ipv6_t;
 
 typedef short length_t;
 
-typedef union {
+typedef union sockaddr_t {
 	struct sockaddr sa;
 	struct sockaddr_in in;
 	struct sockaddr_in6 in6;
+#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
+	struct sockaddr_storage storage;
+#endif
 } sockaddr_t;
 
 #ifdef SA_LEN
@@ -97,6 +87,14 @@ typedef struct packet_queue_t {
 	queue_element_t *tail;
 } packet_queue_t;
 
+typedef struct listen_socket_t {
+	int tcp;
+	int udp;
+	sockaddr_t sa;
+} listen_socket_t;
+
+#include "conf.h"
+
 typedef struct outgoing_t {
 	char *name;
 	int timeout;
@@ -105,48 +103,41 @@ typedef struct outgoing_t {
 	struct addrinfo *aip;
 } outgoing_t;
 
-typedef struct listen_socket_t {
-	int tcp;
-	int udp;
-	sockaddr_t sa;
-} listen_socket_t;
-
 extern int maxtimeout;
 extern int seconds_till_retry;
 extern int addressfamily;
 
-extern char *request_name[];
-extern char *status_text[];
-
-#include "connection.h"			/* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
-
 extern listen_socket_t listen_socket[MAXSOCKETS];
 extern int listen_sockets;
 extern int keyexpires;
 extern int keylifetime;
-extern int do_prune;
-extern int do_purge;
+extern bool do_prune;
+extern bool do_purge;
 extern char *myport;
 extern time_t now;
+extern EVP_CIPHER_CTX packet_ctx;
+
+/* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
+#include "connection.h"
+#include "node.h"
 
 extern void retry_outgoing(outgoing_t *);
 extern void handle_incoming_vpn_data(int);
-extern void finish_connecting(connection_t *);
-extern void do_outgoing_connection(connection_t *);
-extern int handle_new_meta_connection(int);
+extern void finish_connecting(struct connection_t *);
+extern void do_outgoing_connection(struct connection_t *);
+extern bool handle_new_meta_connection(int);
 extern int setup_listen_socket(sockaddr_t *);
 extern int setup_vpn_in_socket(sockaddr_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 bool 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 terminate_connection(struct connection_t *, bool);
 extern void flush_queue(struct node_t *);
-extern int read_rsa_public_key(struct connection_t *);
+extern bool read_rsa_public_key(struct connection_t *);
 
 #endif							/* __TINC_NET_H__ */