ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/vpn.h
Revision: 1.23
Committed: Wed Mar 23 21:55:39 2005 UTC (19 years, 2 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: rel-1_9
Changes since 1.22: +2 -0 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*
2 vpn.h -- header for vpn.C
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
4
5 This file is part of GVPE.
6
7 GVPE is free software; you can redistribute it and/or modify
8 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 along with gvpe; if not, write to the Free Software
19 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #ifndef GVPE_VPN_H__
23 #define GVPE_VPN_H__
24
25 #include "global.h"
26 #include "conf.h"
27 #include "device.h"
28 #include "connection.h"
29
30 struct vpn
31 {
32 int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd, dnsv4_fd;
33
34 int events;
35
36 enum {
37 EVENT_RECONNECT = 1,
38 EVENT_SHUTDOWN = 2,
39 };
40
41 void event_cb (time_watcher &w); time_watcher event;
42
43 tap_device *tap;
44
45 typedef vector<connection *> conns_vector;
46 conns_vector conns;
47
48 connection *find_router ();
49 connection *find_forwarder ();
50
51 void reconnect_all ();
52 void shutdown_all ();
53
54 void tap_ev (io_watcher &w, short revents); io_watcher tap_ev_watcher;
55 void inject_data_packet (tap_packet *pkt, int dst);
56
57 void send_connect_request (int id);
58
59 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
60 bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0);
61
62 #if ENABLE_TCP
63 void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher;
64 bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
65 #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 #endif
71
72 #if ENABLE_DNS
73 vector<struct dns_snd *> dns_sndpq;
74 sockinfo dns_forwarder;
75
76 void dnsv4_ev (io_watcher &w, short revents); io_watcher dnsv4_ev_watcher;
77 void dnsv4_server (struct dns_packet &pkt);
78 void dnsv4_client (struct dns_packet &pkt);
79
80 bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
81 #endif
82
83 void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher;
84 bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
85
86 void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher;
87 bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
88
89 vpn ();
90 ~vpn ();
91
92 int setup ();
93
94 void dump_status ();
95
96 void script_init_env ();
97 const char *script_if_init ();
98 const char *script_if_up ();
99 };
100
101 extern vpn network; // THE vpn
102
103 #endif
104