X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=a73cb047c1fd800d206649500286fe22e29edb01;hp=0f70a4b49813cc2f9f69e603fdf9d30eaa7c3192;hb=57bc9a1835bcb6a8df7963ee4ab04fde34f28eaf;hpb=e012e752f4f1a2b06dfab4640bbbea8f084999ff diff --git a/src/net.h b/src/net.h index 0f70a4b4..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) 1998-2005 Ivo Timmermans - 2000-2009 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 @@ -13,30 +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. - - $Id$ + 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 9018 /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */ +#define MTU 9018 /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */ #else -#define MTU 1518 /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */ +#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 MAXSOCKETS 128 /* Overkill... */ typedef struct mac_t { uint8_t x[6]; @@ -50,7 +48,7 @@ typedef struct ipv6_t { uint16_t x[8]; } ipv6_t; -typedef short length_t; +typedef uint16_t length_t; #define AF_UNKNOWN 255 @@ -79,9 +77,9 @@ 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; @@ -89,6 +87,7 @@ typedef struct listen_socket_t { int tcp; int udp; sockaddr_t sa; + int priority; } listen_socket_t; #include "conf.h" @@ -100,6 +99,7 @@ typedef struct outgoing_t { struct config_t *cfg; struct addrinfo *ai; struct addrinfo *aip; + struct event *event; } outgoing_t; extern list_t *outgoing_list; @@ -107,42 +107,54 @@ 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 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 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 *); +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 send_mtu_probe(struct node_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