1 | /* |
1 | /* |
2 | conf.h -- configuration database |
2 | conf.h -- configuration database |
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3 | Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
3 | |
4 | |
4 | This program is free software; you can redistribute it and/or modify |
5 | This program is free software; you can redistribute it and/or modify |
5 | it under the terms of the GNU General Public License as published by |
6 | 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 |
7 | the Free Software Foundation; either version 2 of the License, or |
7 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
17 | */ |
18 | */ |
18 | |
19 | |
19 | #ifndef VPE_CONF_H__ |
20 | #ifndef VPE_CONF_H__ |
20 | #define VPE_CONF_H__ |
21 | #define VPE_CONF_H__ |
21 | |
22 | |
22 | #include <sys/types.h> |
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23 | #include <sys/socket.h> |
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24 | #include <netdb.h> |
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25 | |
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26 | #ifdef HAVE_OPENSSL_RSA_H |
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27 | # include <openssl/rsa.h> |
23 | #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 | |
24 | |
32 | #include <vector> |
25 | #include <vector> |
33 | |
26 | |
34 | #include "slog.h" |
27 | #include "slog.h" |
35 | #include "global.h" |
28 | #include "global.h" |
36 | |
29 | |
37 | #define DEFAULT_REKEY 3600 |
30 | #define DEFAULT_REKEY 3600 |
38 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 48 bytes...) |
31 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
39 | #define DEFAULT_PORT 655 // same as tinc, conflicts would be rara |
32 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
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33 | |
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34 | enum { |
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35 | PROT_UDPv4 = 0x01, // udp over ipv4 |
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36 | PROT_IPv4 = 0x02, // generic ip protocol |
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37 | PROT_TCPv4 = 0x04, // tcp over ipv4 |
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38 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
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39 | }; |
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40 | |
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41 | // select the "best" protocol of the available ones |
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42 | u8 best_protocol (u8 protset); |
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43 | const char *strprotocol (u8 protocol); |
40 | |
44 | |
41 | struct conf_node { |
45 | struct conf_node { |
42 | int id; // the id of this node, a 12-bit-number |
46 | int id; // the id of this node, a 12-bit-number |
43 | |
47 | |
44 | RSA *rsa_key; // his public key |
48 | RSA *rsa_key; // his public key |
45 | char *nodename; // nodename, an internal nickname. |
49 | char *nodename; // nodename, an internal nickname. |
46 | |
50 | |
47 | char *hostname; // hostname, if known, or NULL. |
51 | char *hostname; // hostname, if known, or NULL. |
48 | u16 port; // the port to bind to |
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49 | |
52 | |
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53 | u8 protocols; // protocols this host can send & receive |
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54 | u16 udp_port, tcp_port; // the port to bind to |
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55 | |
50 | enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS } connectmode; |
56 | enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; |
51 | bool compress; |
57 | bool compress; |
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58 | bool inherit_tos; // inherit TOS in packets send to this destination |
52 | |
59 | |
53 | u32 routerprio; |
60 | u32 routerprio; |
54 | |
61 | |
55 | void print (); |
62 | void print (); |
56 | |
63 | |
57 | conf_node() |
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58 | { |
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59 | memset (this, 0, sizeof *this); |
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60 | } |
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61 | |
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62 | ~conf_node () |
64 | ~conf_node (); |
63 | { |
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64 | if (rsa_key) |
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65 | RSA_free (rsa_key); |
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66 | |
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67 | free (nodename); |
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68 | free (hostname); |
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69 | } |
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70 | }; |
65 | }; |
71 | |
66 | |
72 | struct configuration { |
67 | struct configuration { |
73 | typedef vector<conf_node *> node_vector; |
68 | typedef vector<conf_node *> node_vector; |
74 | node_vector nodes; |
69 | node_vector nodes; |
75 | conf_node default_node; |
70 | conf_node default_node; |
76 | conf_node *thisnode; |
71 | conf_node *thisnode; |
77 | int mtu; // the mtu used for outgoing tunnel packets |
72 | int mtu; // the mtu used for outgoing tunnel packets |
78 | int rekey; // rekey interval |
73 | double rekey; // rekey interval |
79 | int keepalive; // keepalive probes interval |
74 | double keepalive; // keepalive probes interval |
80 | char *ifname; // the interface name (tap0 ...) |
75 | char *ifname; // the interface name (tap0 ...) |
81 | bool ifpersist; // should the interface be persistent |
76 | bool ifpersist; // should the interface be persistent |
82 | char *prikeyfile; |
77 | char *prikeyfile; |
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78 | RSA *rsa_key; // our private rsa key |
83 | loglevel llevel; |
79 | loglevel llevel; |
84 | RSA *rsa_key; // our private rsa key |
80 | u8 ip_proto; // the ip protocol to use |
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81 | #if ENABLE_ICMP |
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82 | u8 icmp_type; // the icmp type for the icmp-protocol |
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83 | #endif |
85 | |
84 | |
86 | char *script_if_up; |
85 | char *script_if_up; |
87 | char *script_node_up; |
86 | char *script_node_up; |
88 | char *script_node_down; |
87 | char *script_node_down; |
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88 | |
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89 | #if ENABLE_HTTP_PROXY |
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90 | char *proxy_auth; // login:password |
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91 | char *proxy_host; // the proxy hostname, e.g. proxy1.example.net |
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92 | u16 proxy_port; // the proxy port, e.g. 3128 |
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93 | #endif |
89 | |
94 | |
90 | void init (); |
95 | void init (); |
91 | void cleanup (); |
96 | void cleanup (); |
92 | void read_config (bool need_keys); |
97 | void read_config (bool need_keys); |
93 | void clear_config (); |
98 | void clear_config (); |