X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet.h;h=2be797d947c55a2ea3c2eca3df1eff8905a917de;hb=6834b882015a9323672e9fce8811aa4283f196f0;hp=28dd4eaf676fb274c9a3672ab952b0a7fec6e4f6;hpb=b0a4f7b5551cae6fb5af2eb4bcb0dfb3443f7d89;p=tinc diff --git a/src/net.h b/src/net.h index 28dd4eaf..2be797d9 100644 --- a/src/net.h +++ b/src/net.h @@ -1,7 +1,7 @@ /* net.h -- header for net.c - Copyright (C) 1998-2003 Ivo Timmermans - 2000-2003 Guus Sliepen + Copyright (C) 1998-2005 Ivo Timmermans + 2000-2009 Guus Sliepen 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 @@ -13,32 +13,30 @@ 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 1.9.4.65 2003/07/18 12:16:24 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__ #define __TINC_NET_H__ -#include - +#include "event.h" #include "ipv6.h" +#include "cipher.h" +#include "digest.h" +#include "threads.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 */ +#define MAXSIZE (MTU + 4 + CIPHER_MAX_BLOCK_SIZE + DIGEST_MAX_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 */ +#define MAXSOCKETS 8 /* Probably overkill... */ typedef struct mac_t { uint8_t x[6]; @@ -54,10 +52,21 @@ typedef struct ipv6_t { typedef short length_t; -typedef union { +#define AF_UNKNOWN 255 + +struct sockaddr_unknown { + uint16_t family; + uint16_t pad1; + uint32_t pad2; + char *address; + char *port; +}; + +typedef union sockaddr_t { struct sockaddr sa; struct sockaddr_in in; struct sockaddr_in6 in6; + struct sockaddr_unknown unknown; #ifdef HAVE_STRUCT_SOCKADDR_STORAGE struct sockaddr_storage storage; #endif @@ -76,18 +85,16 @@ 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; + thread_t tcp_thread; + thread_t udp_thread; + sockaddr_t sa; +} listen_socket_t; #include "conf.h" +#include "list.h" typedef struct outgoing_t { char *name; @@ -95,49 +102,61 @@ typedef struct outgoing_t { struct config_t *cfg; struct addrinfo *ai; struct addrinfo *aip; + struct event ev; } outgoing_t; -typedef struct listen_socket_t { - int tcp; - int udp; - sockaddr_t sa; -} listen_socket_t; +extern list_t *outgoing_list; -extern int maxtimeout; +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 do_prune; -extern int do_purge; +extern int udp_rcvbuf; +extern int udp_sndbuf; +extern bool do_prune; extern char *myport; -extern time_t now; -extern EVP_CIPHER_CTX packet_ctx; +extern int contradicting_add_edge; +extern int contradicting_del_edge; /* 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 handle_incoming_vpn_data(void *); extern void finish_connecting(struct connection_t *); extern void do_outgoing_connection(struct connection_t *); -extern int 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 handle_new_meta_connection(void *); +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 broadcast_packet(struct node_t *, vpn_packet_t *); -extern int setup_network_connections(void); +extern void broadcast_packet(const struct node_t *, vpn_packet_t *); +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); -extern void main_loop(void); -extern void terminate_connection(struct connection_t *, int); +extern int main_loop(void); +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 *); +extern void send_mtu_probe(struct node_t *); +extern void handle_device_data(int, short, void *); +extern void handle_meta_connection_data(void *); +extern void regenerate_key(); +extern void purge(void); +extern void retry(void); +extern int reload_configuration(void); +extern void load_all_subnets(); + +#ifndef HAVE_MINGW +#define closesocket(s) close(s) +#endif + +extern mutex_t mutex; #endif /* __TINC_NET_H__ */