X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=c0e5b317ba22362aeee8d1a53611a1753f71cd79;hp=6d2677bfdf0fb9f924b5c2dbce9b36f218b1cb4a;hb=3fae14fae5a347823679ef694ab630b4991a201d;hpb=c70f52087bf6f7514684bbc859b83aec2ca17ae4 diff --git a/src/net.h b/src/net.h index 6d2677bf..c0e5b317 100644 --- a/src/net.h +++ b/src/net.h @@ -1,7 +1,10 @@ +#ifndef TINC_NET_H +#define TINC_NET_H + /* net.h -- header for net.c - Copyright (C) 1998-2002 Ivo Timmermans - 2000-2002 Guus Sliepen + Copyright (C) 1998-2005 Ivo Timmermans + 2000-2015 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 @@ -13,40 +16,25 @@ 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 1.9.4.57 2003/05/06 21:13:17 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 "config.h" - -#include -#include -#include -#include #include -#ifdef HAVE_INTTYPES_H -#include -#endif +#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 + 8 + 64 + 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 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 MAXQUEUELENGTH 8 /* Maximum number of packats in a single queue */ +#define MAXSOCKETS 128 /* Overkill... */ typedef struct mac_t { uint8_t x[6]; @@ -56,21 +44,30 @@ 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 { +#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 } sockaddr_t; #ifdef SA_LEN @@ -80,22 +77,21 @@ typedef union { #endif typedef struct vpn_packet_t { - length_t len; /* the actual number of bytes in the `data' field */ - int priority; /* priority or TOS */ - uint32_t seqno; /* 32 bits sequence number (network byte order of course) */ + length_t len; /* the actual number of bytes in the `data' field */ + int priority; /* priority or TOS */ + uint32_t seqno; /* 32 bits sequence number (network byte order of course) */ 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 listen_socket_t { + int tcp; + int udp; + sockaddr_t sa; + int priority; +} listen_socket_t; -typedef struct packet_queue_t { - queue_element_t *head; - queue_element_t *tail; -} packet_queue_t; +#include "conf.h" +#include "list.h" typedef struct outgoing_t { char *name; @@ -103,51 +99,62 @@ typedef struct outgoing_t { struct config_t *cfg; struct addrinfo *ai; struct addrinfo *aip; + struct event *event; } 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 char *request_name[]; -extern char *status_text[]; - -#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */ +extern unsigned replaywin; +extern bool localdiscovery; 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 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" +#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 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 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(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 *, const char *, int); +extern void broadcast_packet(const struct node_t *, vpn_packet_t *); +extern char *get_name(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); -extern void main_loop(void); -extern void terminate_connection(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 load_all_subnets(void); -#endif /* __TINC_NET_H__ */ +#ifndef HAVE_MINGW +#define closesocket(s) close(s) +#else +extern CRITICAL_SECTION mutex; +#endif + +#endif