X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=a73cb047c1fd800d206649500286fe22e29edb01;hp=06c0504c0632eb55aef28cfc8691a246e1f5e793;hb=57bc9a1835bcb6a8df7963ee4ab04fde34f28eaf;hpb=f08fc359a0b7f638e73a8f866119b016b7dff8de diff --git a/src/net.h b/src/net.h index 06c0504c..a73cb047 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 1.9.4.69 2003/08/02 20:50:38 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]; @@ -52,12 +48,23 @@ typedef struct ipv6_t { uint16_t x[8]; } ipv6_t; -typedef short length_t; +typedef uint16_t length_t; + +#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 @@ -70,30 +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; @@ -101,47 +99,62 @@ 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" #include "node.h" -extern void retry_outgoing(outgoing_t *); -extern void handle_incoming_vpn_data(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(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(const struct node_t *, vpn_packet_t *); -extern bool setup_network_connections(void); -extern void setup_outgoing_connection(struct outgoing_t *); +extern void retry_outgoing(outgoing_t *outgoing); +extern void handle_incoming_vpn_data(int sock); +extern void finish_connecting(struct connection_t *c); +extern void do_outgoing_connection(struct connection_t *c); +extern bool handle_new_meta_connection(int sock); +extern int setup_listen_socket(const sockaddr_t *sa); +extern int setup_vpn_in_socket(const sockaddr_t *sa); +extern void send_packet(const struct node_t *n, vpn_packet_t *packet); +extern void receive_tcppacket(struct connection_t *c, const char *buffer, length_t len); +extern void broadcast_packet(const struct node_t *, vpn_packet_t *packet); +extern char *get_name(void); +extern bool setup_network(void); +extern void setup_outgoing_connection(struct outgoing_t *outgoing); extern void try_outgoing_connections(void); extern void close_network_connections(void); 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 terminate_connection(struct connection_t *c, bool report); +extern void flush_queue(struct node_t *n); +extern bool read_rsa_public_key(struct connection_t *c); +extern void send_mtu_probe(struct node_t *n); +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