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Import Upstream version 1.1~pre2

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This commit is contained in:
Guus Sliepen 2019-08-26 13:44:49 +02:00
parent a04a7bcd67
commit 02de1cd2f1
172 changed files with 32291 additions and 25994 deletions
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81
src/net.h
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@ -1,10 +1,7 @@
#ifndef TINC_NET_H
#define TINC_NET_H
/*
net.h -- header for net.c
Copyright (C) 1998-2005 Ivo Timmermans
2000-2015 Guus Sliepen <guus@tinc-vpn.org>
2000-2009 Guus Sliepen <guus@tinc-vpn.org>
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
@ -21,20 +18,23 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <openssl/evp.h>
#ifndef __TINC_NET_H__
#define __TINC_NET_H__
#include "ipv6.h"
#include "cipher.h"
#include "digest.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 + 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 MAXSOCKETS 8 /* Probably overkill... */
typedef struct mac_t {
uint8_t x[6];
@ -48,7 +48,7 @@ typedef struct ipv6_t {
uint16_t x[8];
} ipv6_t;
typedef uint16_t length_t;
typedef short length_t;
#define AF_UNKNOWN 255
@ -77,17 +77,18 @@ 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 listen_socket_t {
struct event ev_tcp;
struct event ev_udp;
int tcp;
int udp;
sockaddr_t sa;
int priority;
} listen_socket_t;
#include "conf.h"
@ -99,7 +100,7 @@ typedef struct outgoing_t {
struct config_t *cfg;
struct addrinfo *ai;
struct addrinfo *aip;
struct event *event;
struct event ev;
} outgoing_t;
extern list_t *outgoing_list;
@ -108,49 +109,49 @@ 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 *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 void retry_outgoing(outgoing_t *);
extern void handle_incoming_vpn_data(int, short, void *);
extern void finish_connecting(struct connection_t *);
extern bool do_outgoing_connection(struct connection_t *);
extern void handle_new_meta_connection(int, short, void *);
extern int setup_listen_socket(const sockaddr_t *);
extern int setup_vpn_in_socket(const sockaddr_t *);
extern void send_packet(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 bool setup_network(void);
extern void setup_outgoing_connection(struct outgoing_t *outgoing);
extern void setup_outgoing_connection(struct outgoing_t *);
extern void try_outgoing_connections(void);
extern void close_network_connections(void);
extern int main_loop(void);
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 terminate_connection(struct connection_t *, bool);
extern void flush_queue(struct node_t *);
extern bool node_read_ecdsa_public_key(struct node_t *);
extern bool read_ecdsa_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(int, short, void *);
extern void regenerate_key(void);
extern void purge(void);
extern void retry(void);
extern int reload_configuration(void);
extern void load_all_subnets(void);
extern void tarpit(int fd);
#ifndef HAVE_MINGW
#define closesocket(s) close(s)
@ -158,4 +159,4 @@ extern void tarpit(int fd);
extern CRITICAL_SECTION mutex;
#endif
#endif
#endif /* __TINC_NET_H__ */