1 |
pcg |
1.1 |
/* |
2 |
|
|
vpn.h -- header for vpn.C |
3 |
pcg |
1.18 |
Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
4 |
pcg |
1.1 |
|
5 |
pcg |
1.18 |
This file is part of GVPE. |
6 |
|
|
|
7 |
|
|
GVPE is free software; you can redistribute it and/or modify |
8 |
pcg |
1.1 |
it under the terms of the GNU General Public License as published by |
9 |
|
|
the Free Software Foundation; either version 2 of the License, or |
10 |
|
|
(at your option) any later version. |
11 |
|
|
|
12 |
|
|
This program is distributed in the hope that it will be useful, |
13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
|
|
GNU General Public License for more details. |
16 |
|
|
|
17 |
|
|
You should have received a copy of the GNU General Public License |
18 |
pcg |
1.18 |
along with gvpe; if not, write to the Free Software |
19 |
pcg |
1.1 |
Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 |
|
|
*/ |
21 |
|
|
|
22 |
|
|
#ifndef VPE_VPN_H__ |
23 |
|
|
#define VPE_VPN_H__ |
24 |
|
|
|
25 |
pcg |
1.2 |
#include "global.h" |
26 |
pcg |
1.1 |
#include "conf.h" |
27 |
|
|
#include "device.h" |
28 |
|
|
#include "connection.h" |
29 |
|
|
|
30 |
|
|
struct vpn |
31 |
|
|
{ |
32 |
pcg |
1.14 |
int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd, dnsv4_fd; |
33 |
pcg |
1.1 |
|
34 |
|
|
int events; |
35 |
|
|
|
36 |
|
|
enum { |
37 |
|
|
EVENT_RECONNECT = 1, |
38 |
|
|
EVENT_SHUTDOWN = 2, |
39 |
|
|
}; |
40 |
|
|
|
41 |
pcg |
1.3 |
void event_cb (time_watcher &w); time_watcher event; |
42 |
pcg |
1.1 |
|
43 |
|
|
tap_device *tap; |
44 |
|
|
|
45 |
|
|
typedef vector<connection *> conns_vector; |
46 |
|
|
conns_vector conns; |
47 |
|
|
|
48 |
|
|
connection *find_router (); |
49 |
pcg |
1.8 |
connection *find_forwarder (); |
50 |
pcg |
1.1 |
|
51 |
|
|
void reconnect_all (); |
52 |
|
|
void shutdown_all (); |
53 |
|
|
|
54 |
pcg |
1.6 |
void tap_ev (io_watcher &w, short revents); io_watcher tap_ev_watcher; |
55 |
pcg |
1.10 |
void inject_data_packet (tap_packet *pkt, int dst); |
56 |
pcg |
1.2 |
|
57 |
pcg |
1.6 |
void send_connect_request (int id); |
58 |
pcg |
1.1 |
|
59 |
pcg |
1.6 |
void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); |
60 |
pcg |
1.21 |
bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
61 |
pcg |
1.4 |
|
62 |
pcg |
1.2 |
#if ENABLE_TCP |
63 |
pcg |
1.3 |
void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher; |
64 |
pcg |
1.6 |
bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
65 |
pcg |
1.7 |
#endif |
66 |
|
|
|
67 |
|
|
#if ENABLE_ICMP |
68 |
|
|
void icmpv4_ev (io_watcher &w, short revents); io_watcher icmpv4_ev_watcher; |
69 |
|
|
bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
70 |
pcg |
1.14 |
#endif |
71 |
|
|
|
72 |
|
|
#if ENABLE_DNS |
73 |
pcg |
1.20 |
vector<struct dns_snd *> dns_sndpq; |
74 |
pcg |
1.19 |
sockinfo dns_forwarder; |
75 |
pcg |
1.16 |
|
76 |
pcg |
1.14 |
void dnsv4_ev (io_watcher &w, short revents); io_watcher dnsv4_ev_watcher; |
77 |
pcg |
1.20 |
void dnsv4_server (struct dns_packet &pkt); |
78 |
|
|
void dnsv4_client (struct dns_packet &pkt); |
79 |
pcg |
1.21 |
|
80 |
|
|
bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
81 |
pcg |
1.2 |
#endif |
82 |
pcg |
1.1 |
|
83 |
pcg |
1.3 |
void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher; |
84 |
pcg |
1.6 |
bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
85 |
pcg |
1.2 |
|
86 |
pcg |
1.3 |
void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher; |
87 |
pcg |
1.6 |
bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
88 |
pcg |
1.1 |
|
89 |
|
|
vpn (); |
90 |
|
|
~vpn (); |
91 |
|
|
|
92 |
|
|
int setup (); |
93 |
|
|
|
94 |
|
|
void dump_status (); |
95 |
|
|
|
96 |
pcg |
1.2 |
const char *script_if_up (); |
97 |
pcg |
1.1 |
}; |
98 |
pcg |
1.10 |
|
99 |
pcg |
1.12 |
extern vpn network; // THE vpn |
100 |
pcg |
1.1 |
|
101 |
|
|
#endif |
102 |
|
|
|