X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=c0e5b317ba22362aeee8d1a53611a1753f71cd79;hp=629e7d8ce5b42f8da1a1860f2a2a03d881b7f261;hb=3fae14fae5a347823679ef694ab630b4991a201d;hpb=ad39db95fecf760297b4e320ef2f6d6d9fdad605 diff --git a/src/net.h b/src/net.h index 629e7d8c..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) 1998-2003 Ivo Timmermans - 2000-2003 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 @@ -13,32 +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 1.9.4.71 2003/10/06 16:49:42 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 "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 */ -#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128) /* Enough room for a request with a MAXSIZEd packet or a 8192 bits RSA key */ +#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 */ +#define MAXSOCKETS 128 /* Overkill... */ typedef struct mac_t { uint8_t x[6]; @@ -54,7 +50,7 @@ typedef struct ipv6_t { typedef short length_t; -#define AF_UNKNOWN ((sa_family_t)-1) +#define AF_UNKNOWN 255 struct sockaddr_unknown { uint16_t family; @@ -81,30 +77,21 @@ typedef union sockaddr_t { #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 packet_queue_t { - queue_element_t *head; - queue_element_t *tail; -} packet_queue_t; - typedef struct listen_socket_t { int tcp; int udp; sockaddr_t sa; + int priority; } listen_socket_t; #include "conf.h" +#include "list.h" typedef struct outgoing_t { char *name; @@ -112,21 +99,31 @@ 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 bool localdiscovery; 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 +137,10 @@ 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 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); @@ -150,9 +148,13 @@ 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__ */ +#endif