1 | /* |
1 | /* |
2 | conf.h -- configuration database |
2 | conf.h -- configuration database |
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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. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
17 | */ |
20 | */ |
18 | |
21 | |
19 | #ifndef VPE_CONF_H__ |
22 | #ifndef VPE_CONF_H__ |
20 | #define VPE_CONF_H__ |
23 | #define VPE_CONF_H__ |
21 | |
24 | |
22 | #include <sys/types.h> |
25 | #include <vector> |
23 | #include <sys/socket.h> |
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24 | #include <netdb.h> |
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25 | |
26 | |
26 | #ifdef HAVE_OPENSSL_RSA_H |
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27 | # include <openssl/rsa.h> |
27 | #include <openssl/rsa.h> |
28 | #else |
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29 | # include <rsa.h> |
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30 | #endif |
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31 | |
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32 | #include <vector> |
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33 | |
28 | |
34 | #include "slog.h" |
29 | #include "slog.h" |
35 | #include "global.h" |
30 | #include "global.h" |
36 | |
31 | |
37 | #define DEFAULT_REKEY 3600 |
32 | #define DEFAULT_REKEY 3600 |
38 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 48 bytes...) |
33 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
39 | #define DEFAULT_PORT 655 // same as tinc, conflicts would be rara |
34 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
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35 | #define DEFAULT_MTU 1500 // let's ether-net |
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36 | #define DEFAULT_MAX_RETRY 28800 // retry at least this often |
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37 | |
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38 | enum { |
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39 | PROT_UDPv4 = 0x01, // udp over ipv4 |
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40 | PROT_IPv4 = 0x02, // generic ip protocol |
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41 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
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42 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
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43 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
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44 | }; |
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45 | |
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46 | // select the "best" protocol of the available ones |
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47 | u8 best_protocol (u8 protset); |
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48 | const char *strprotocol (u8 protocol); |
40 | |
49 | |
41 | struct conf_node { |
50 | struct conf_node { |
42 | int id; // the id of this node, a 12-bit-number |
51 | int id; // the id of this node, a 12-bit-number |
43 | |
52 | |
44 | RSA *rsa_key; // his public key |
53 | RSA *rsa_key; // his public key |
45 | char *nodename; // nodename, an internal nickname. |
54 | char *nodename; // nodename, an internal nickname. |
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55 | char *hostname; // hostname, if known, or NULL. |
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56 | #if ENABLE_DNS |
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57 | char *domain; // dns tunnel domain |
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58 | #endif |
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59 | char *dns_hostname; |
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60 | u16 dns_port; |
46 | |
61 | |
47 | char *hostname; // hostname, if known, or NULL. |
62 | u8 protocols; // protocols this host can send & receive |
48 | u16 port; // the port to bind to |
63 | u16 udp_port, tcp_port; // the port to bind to |
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64 | int max_retry; |
49 | |
65 | |
50 | enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS } connectmode; |
66 | enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; |
51 | bool compress; |
67 | bool compress; |
52 | bool inherit_tos; // inherit TOS in packets send to this destination |
68 | bool inherit_tos; // inherit TOS in packets send to this destination |
53 | u32 can_recv, can_send; |
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54 | |
69 | |
55 | u32 routerprio; |
70 | u32 routerprio; |
56 | |
71 | |
57 | void print (); |
72 | void print (); |
58 | |
73 | |
59 | conf_node() |
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60 | { |
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61 | memset (this, 0, sizeof *this); |
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62 | } |
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63 | |
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64 | ~conf_node () |
74 | ~conf_node (); |
65 | { |
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66 | if (rsa_key) |
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67 | RSA_free (rsa_key); |
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68 | |
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69 | free (nodename); |
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70 | free (hostname); |
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71 | } |
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72 | }; |
75 | }; |
73 | |
76 | |
74 | struct configuration { |
77 | struct configuration { |
75 | typedef vector<conf_node *> node_vector; |
78 | typedef vector<conf_node *> node_vector; |
76 | node_vector nodes; |
79 | node_vector nodes; |
… | |
… | |
80 | double rekey; // rekey interval |
83 | double rekey; // rekey interval |
81 | double keepalive; // keepalive probes interval |
84 | double keepalive; // keepalive probes interval |
82 | char *ifname; // the interface name (tap0 ...) |
85 | char *ifname; // the interface name (tap0 ...) |
83 | bool ifpersist; // should the interface be persistent |
86 | bool ifpersist; // should the interface be persistent |
84 | char *prikeyfile; |
87 | char *prikeyfile; |
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88 | RSA *rsa_key; // our private rsa key |
85 | loglevel llevel; |
89 | loglevel llevel; |
86 | RSA *rsa_key; // our private rsa key |
90 | u8 ip_proto; // the ip protocol to use |
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91 | #if ENABLE_ICMP |
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92 | u8 icmp_type; // the icmp type for the icmp-protocol |
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93 | #endif |
87 | |
94 | |
88 | char *script_if_up; |
95 | char *script_if_up; |
89 | char *script_node_up; |
96 | char *script_node_up; |
90 | char *script_node_down; |
97 | char *script_node_down; |
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98 | char *pidfilename; |
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99 | |
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100 | #if ENABLE_HTTP_PROXY |
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101 | char *proxy_auth; // login:password |
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102 | char *proxy_host; // the proxy hostname, e.g. proxy1.example.net |
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103 | u16 proxy_port; // the proxy port, e.g. 3128 |
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104 | #endif |
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105 | |
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106 | #if ENABLE_DNS |
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107 | char *dns_forw_host; |
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108 | u16 dns_forw_port; |
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109 | #endif |
91 | |
110 | |
92 | void init (); |
111 | void init (); |
93 | void cleanup (); |
112 | void cleanup (); |
94 | void read_config (bool need_keys); |
113 | void read_config (bool need_keys); |
95 | void clear_config (); |
114 | void clear_config (); |