1 | /* |
1 | /* |
2 | vpn.h -- header for vpn.C |
2 | vpn.h -- header for vpn.C |
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3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
3 | |
4 | |
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5 | This file is part of GVPE. |
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6 | |
4 | This program is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify |
5 | it under the terms of the GNU General Public License as published by |
8 | it under the terms of the GNU General Public License as published by |
6 | the Free Software Foundation; either version 2 of the License, or |
9 | the Free Software Foundation; either version 2 of the License, or |
7 | (at your option) any later version. |
10 | (at your option) any later version. |
8 | |
11 | |
9 | This program is distributed in the hope that it will be useful, |
12 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
13 | |
16 | |
14 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
15 | along with this program; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
16 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
20 | */ |
18 | |
21 | |
19 | #ifndef VPE_VPN_H__ |
22 | #ifndef GVPE_VPN_H__ |
20 | #define VPE_VPN_H__ |
23 | #define GVPE_VPN_H__ |
21 | |
24 | |
22 | #include "global.h" |
25 | #include "global.h" |
23 | #include "conf.h" |
26 | #include "conf.h" |
24 | #include "device.h" |
27 | #include "device.h" |
25 | #include "connection.h" |
28 | #include "connection.h" |
26 | |
29 | |
27 | struct vpn |
30 | struct vpn |
28 | { |
31 | { |
29 | int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd; |
32 | int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd, dnsv4_fd; |
30 | |
33 | |
31 | int events; |
34 | int events; |
32 | |
35 | |
33 | enum { |
36 | enum { |
34 | EVENT_RECONNECT = 1, |
37 | EVENT_RECONNECT = 1, |
35 | EVENT_SHUTDOWN = 2, |
38 | EVENT_SHUTDOWN = 2, |
36 | }; |
39 | }; |
37 | |
40 | |
38 | void event_cb (time_watcher &w); time_watcher event; |
41 | void event_cb (ev::timer &w, int revents); ev::timer event; |
39 | |
42 | |
40 | tap_device *tap; |
43 | tap_device *tap; |
41 | |
44 | |
42 | typedef vector<connection *> conns_vector; |
45 | typedef vector<connection *> conns_vector; |
43 | conns_vector conns; |
46 | conns_vector conns; |
… | |
… | |
46 | connection *find_forwarder (); |
49 | connection *find_forwarder (); |
47 | |
50 | |
48 | void reconnect_all (); |
51 | void reconnect_all (); |
49 | void shutdown_all (); |
52 | void shutdown_all (); |
50 | |
53 | |
51 | void tap_ev (io_watcher &w, short revents); io_watcher tap_ev_watcher; |
54 | void tap_ev (ev::io &w, int revents); ev::io tap_ev_watcher; |
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55 | void inject_data_packet (tap_packet *pkt, int dst); |
52 | |
56 | |
53 | void send_connect_request (int id); |
57 | void send_connect_request (int id); |
54 | |
58 | |
55 | void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); |
59 | void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); |
56 | bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
60 | bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
57 | |
61 | |
58 | #if ENABLE_TCP |
62 | #if ENABLE_TCP |
59 | void tcpv4_ev (io_watcher &w, short revents); io_watcher tcpv4_ev_watcher; |
63 | void tcpv4_ev (ev::io &w, int revents); ev::io tcpv4_ev_watcher; |
60 | bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
64 | bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
61 | #endif |
65 | #endif |
62 | |
66 | |
63 | #if ENABLE_ICMP |
67 | #if ENABLE_ICMP |
64 | void icmpv4_ev (io_watcher &w, short revents); io_watcher icmpv4_ev_watcher; |
68 | void icmpv4_ev (ev::io &w, int revents); ev::io icmpv4_ev_watcher; |
65 | bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
69 | bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
66 | #endif |
70 | #endif |
67 | |
71 | |
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72 | #if ENABLE_DNS |
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73 | vector<struct dns_snd *> dns_sndpq; |
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74 | sockinfo dns_forwarder; |
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75 | |
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76 | void dnsv4_ev (ev::io &w, int revents); ev::io dnsv4_ev_watcher; |
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77 | void dnsv4_server (struct dns_packet &pkt); |
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78 | void dnsv4_client (struct dns_packet &pkt); |
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79 | |
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80 | bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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81 | #endif |
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82 | |
68 | void udpv4_ev (io_watcher &w, short revents); io_watcher udpv4_ev_watcher; |
83 | void udpv4_ev (ev::io &w, int revents); ev::io udpv4_ev_watcher; |
69 | bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
84 | bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
70 | |
85 | |
71 | void ipv4_ev (io_watcher &w, short revents); io_watcher ipv4_ev_watcher; |
86 | void ipv4_ev (ev::io &w, int revents); ev::io ipv4_ev_watcher; |
72 | bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
87 | bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
73 | |
88 | |
74 | vpn (); |
89 | vpn (); |
75 | ~vpn (); |
90 | ~vpn (); |
76 | |
91 | |
77 | int setup (); |
92 | int setup (); |
78 | |
93 | |
79 | void dump_status (); |
94 | void dump_status (); |
80 | |
95 | |
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96 | void script_init_env (); |
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97 | const char *script_if_init (); |
81 | const char *script_if_up (); |
98 | const char *script_if_up (); |
82 | }; |
99 | }; |
83 | |
100 | |
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101 | extern vpn network; // THE vpn |
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102 | |
84 | #endif |
103 | #endif |
85 | |
104 | |