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/cvs/gvpe/src/vpn.h
Revision: 1.20
Committed: Fri Mar 4 08:15:04 2005 UTC (19 years, 2 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.19: +3 -3 lines
Log Message:
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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 VPE_VPN_H__
23 #define VPE_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
61 #if ENABLE_TCP
62 void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher;
63 bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
64 #endif
65
66 #if ENABLE_ICMP
67 void icmpv4_ev (io_watcher &w, short revents); io_watcher icmpv4_ev_watcher;
68 bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
69 #endif
70
71 #if ENABLE_DNS
72 vector<struct dns_snd *> dns_sndpq;
73 sockinfo dns_forwarder;
74
75 void dnsv4_ev (io_watcher &w, short revents); io_watcher dnsv4_ev_watcher;
76 void dnsv4_server (struct dns_packet &pkt);
77 void dnsv4_client (struct dns_packet &pkt);
78 #endif
79
80 void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher;
81 bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
82
83 void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher;
84 bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
85
86 vpn ();
87 ~vpn ();
88
89 int setup ();
90
91 void dump_status ();
92
93 const char *script_if_up ();
94 };
95
96 extern vpn network; // THE vpn
97
98 #endif
99