Set FD_CLOEXEC flag on all sockets.

[tinc] / src / net.h

diff --git a/src/net.h b/src/net.h
index 092b9dc..b831cdd 100644 (file)
--- a/src/net.h
+++ b/src/net.h
@@ -1,7 +1,7 @@
 /*
     net.h -- header for net.c
-    Copyright (C) 1998-2003 Ivo Timmermans <zarq@iname.com>
-                  2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 1998-2005 Ivo Timmermans
+                  2000-2009 Guus Sliepen <guus@tinc-vpn.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
@@ -13,11 +13,9 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    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 1.13 2003/08/24 20:38:24 guus Exp $
+    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.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #ifndef __TINC_NET_H__
@@ -28,9 +26,9 @@
 #include "ipv6.h"
 
 #ifdef ENABLE_JUMBOGRAMS
-#define MTU 9014                               /* 9000 bytes payload + 14 bytes ethernet header */
+#define MTU 9018                               /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
 #else
-#define MTU 1514                               /* 1500 bytes payload + 14 bytes ethernet header */
+#define MTU 1518                               /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
 #endif
 
 #define MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20)       /* MTU + seqno + padding + HMAC + compressor overhead */
@@ -38,8 +36,6 @@
 
 #define MAXSOCKETS 128                 /* Overkill... */
 
-#define MAXQUEUELENGTH 8               /* Maximum number of packats in a single queue */
-
 typedef struct mac_t {
        uint8_t x[6];
 } mac_t;
@@ -54,7 +50,7 @@ typedef struct ipv6_t {
 
 typedef short length_t;
 
-#define AF_UNKNOWN 0xFFFF
+#define AF_UNKNOWN 255
 
 struct sockaddr_unknown {
        uint16_t family;
@@ -87,17 +83,6 @@ typedef struct vpn_packet_t {
        uint8_t data[MAXSIZE];
 } vpn_packet_t;
 
-typedef struct queue_element_t {
-       void *packet;
-       struct queue_element_t *prev;
-       struct queue_element_t *next;
-} queue_element_t;
-
-typedef struct packet_queue_t {
-       queue_element_t *head;
-       queue_element_t *tail;
-} packet_queue_t;
-
 typedef struct listen_socket_t {
        int tcp;
        int udp;
@@ -105,6 +90,7 @@ typedef struct listen_socket_t {
 } listen_socket_t;
 
 #include "conf.h"
+#include "list.h"
 
 typedef struct outgoing_t {
        char *name;
@@ -112,21 +98,30 @@ typedef struct outgoing_t {
        struct config_t *cfg;
        struct addrinfo *ai;
        struct addrinfo *aip;
+       struct event *event;
 } outgoing_t;
 
-extern int maxtimeout;
+extern list_t *outgoing_list;
+
+extern int maxoutbufsize;
 extern int seconds_till_retry;
 extern int addressfamily;
+extern unsigned replaywin;
 
 extern listen_socket_t listen_socket[MAXSOCKETS];
 extern int listen_sockets;
 extern int keyexpires;
 extern int keylifetime;
+extern int udp_rcvbuf;
+extern int udp_sndbuf;
 extern bool do_prune;
 extern bool do_purge;
 extern char *myport;
 extern time_t now;
-extern EVP_CIPHER_CTX packet_ctx;
+extern int contradicting_add_edge;
+extern int contradicting_del_edge;
+
+extern volatile bool running;
 
 /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
 #include "connection.h"
@@ -140,9 +135,9 @@ extern bool handle_new_meta_connection(int);
 extern int setup_listen_socket(const sockaddr_t *);
 extern int setup_vpn_in_socket(const sockaddr_t *);
 extern void send_packet(const struct node_t *, vpn_packet_t *);
-extern void receive_tcppacket(struct connection_t *, char *, int);
+extern void receive_tcppacket(struct connection_t *, const char *, int);
 extern void broadcast_packet(const struct node_t *, vpn_packet_t *);
-extern bool setup_network_connections(void);
+extern bool setup_network(void);
 extern void setup_outgoing_connection(struct outgoing_t *);
 extern void try_outgoing_connections(void);
 extern void close_network_connections(void);
@@ -150,9 +145,13 @@ extern int main_loop(void);
 extern void terminate_connection(struct connection_t *, bool);
 extern void flush_queue(struct node_t *);
 extern bool read_rsa_public_key(struct connection_t *);
+extern void send_mtu_probe(struct node_t *);
+extern void load_all_subnets(void);
 
 #ifndef HAVE_MINGW
 #define closesocket(s) close(s)
+#else
+extern CRITICAL_SECTION mutex;
 #endif
 
 #endif                                                 /* __TINC_NET_H__ */