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Comparing gvpe/src/conf.h (file contents):
Revision 1.10 by pcg, Fri Mar 28 16:21:09 2003 UTC vs.
Revision 1.31 by pcg, Tue Apr 26 00:55:55 2005 UTC

1/* 1/*
2 conf.h -- configuration database 2 conf.h -- configuration database
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
3 4
5 This file is part of GVPE.
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_CONF_H__ 22#ifndef GVPE_CONF_H__
20#define VPE_CONF_H__ 23#define GVPE_CONF_H__
21
22#include <sys/types.h>
23#include <sys/socket.h>
24#include <netdb.h>
25
26#ifdef HAVE_OPENSSL_RSA_H
27# include <openssl/rsa.h>
28#else
29# include <rsa.h>
30#endif
31 24
32#include <vector> 25#include <vector>
26
27#include <openssl/rsa.h>
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 8 bytes...) 33#define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...)
39#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare 34#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare
35#define DEFAULT_MTU 1500 // let's ether-net
36#define DEFAULT_MAX_RETRY 3600 // retry at least this often
37
38#define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple
39#define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval
40#define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate
41#define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests
40 42
41enum { 43enum
44{
42 PROT_UDPv4 = 1, // udp over ipv4 45 PROT_UDPv4 = 0x01, // udp over ipv4
43 PROT_IPv4 = 2, // generic ip protocol 46 PROT_IPv4 = 0x02, // generic ip protocol
44 PROT_TCPv4 = 4, // tcp over ipv4 (NYI) 47 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
48 PROT_ICMPv4 = 0x08, // icmp over ipv4
49 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
45}; 50};
51
52#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
53#define PROT_SLOW PROT_DNSv4
46 54
47// select the "best" protocol of the available ones 55// select the "best" protocol of the available ones
48u8 best_protocol (u8 protset); 56u8 best_protocol (u8 protset);
49const char *strprotocol (u8 protocol); 57const char *strprotocol (u8 protocol);
50 58
51struct conf_node { 59struct conf_node
60{
52 int id; // the id of this node, a 12-bit-number 61 int id; // the id of this node, a 12-bit-number
53 62
54 RSA *rsa_key; // his public key 63 RSA *rsa_key; // his public key
55 char *nodename; // nodename, an internal nickname. 64 char *nodename; // nodename, an internal nickname.
56
57 char *hostname; // hostname, if known, or NULL. 65 char *hostname; // hostname, if known, or NULL.
66 char *if_up_data;
67#if ENABLE_DNS
68 char *domain; // dns tunnel domain
69#endif
70 char *dns_hostname;
71 u16 dns_port;
58 72
59 u8 protocols; // protocols this host can send & receive 73 u8 protocols; // protocols this host can send & receive
60 u16 udp_port; // the port to bind to 74 u16 udp_port, tcp_port; // the port to bind to
75 int max_retry;
61 76
62 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; 77 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
63 bool compress; 78 bool compress;
64 bool inherit_tos; // inherit TOS in packets send to this destination 79 bool inherit_tos; // inherit TOS in packets send to this destination
65 80
66 u32 routerprio; 81 u32 routerprio;
67 82
68 void print (); 83 void print ();
69 84
70 ~conf_node () 85 ~conf_node ();
71 {
72 if (rsa_key)
73 RSA_free (rsa_key);
74
75 free (nodename);
76 free (hostname);
77 }
78}; 86};
79 87
80struct configuration { 88struct configuration
89{
81 typedef vector<conf_node *> node_vector; 90 typedef vector<conf_node *> node_vector;
82 node_vector nodes; 91 node_vector nodes;
83 conf_node default_node; 92 conf_node default_node;
84 conf_node *thisnode; 93 conf_node *thisnode;
85 int mtu; // the mtu used for outgoing tunnel packets 94 int mtu; // the mtu used for outgoing tunnel packets
… …
88 char *ifname; // the interface name (tap0 ...) 97 char *ifname; // the interface name (tap0 ...)
89 bool ifpersist; // should the interface be persistent 98 bool ifpersist; // should the interface be persistent
90 char *prikeyfile; 99 char *prikeyfile;
91 RSA *rsa_key; // our private rsa key 100 RSA *rsa_key; // our private rsa key
92 loglevel llevel; 101 loglevel llevel;
93 u8 ip_proto; // the ip protocol to use 102 u8 ip_proto; // the ip protocol to use
103#if ENABLE_ICMP
104 u8 icmp_type; // the icmp type for the icmp-protocol
105#endif
94 106
95 char *script_if_up; 107 char *script_if_up;
96 char *script_node_up; 108 char *script_node_up;
97 char *script_node_down; 109 char *script_node_down;
110 char *pidfilename;
111
112#if ENABLE_HTTP_PROXY
113 char *proxy_auth; // login:password
114 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
115 u16 proxy_port; // the proxy port, e.g. 3128
116#endif
117
118#if ENABLE_DNS
119 char *dns_forw_host;
120 u16 dns_forw_port;
121 float dns_timeout_factor;
122 float dns_send_interval;
123 float dns_overlap_factor;
124 int dns_max_outstanding;
125#endif
98 126
99 void init (); 127 void init ();
100 void cleanup (); 128 void cleanup ();
101 void read_config (bool need_keys);
102 void clear_config (); 129 void clear ();
103 130
104 // create a filename from string, replacing %s by the nodename 131 // create a filename from string, replacing %s by the nodename
105 // and using relative paths under confbase. 132 // and using relative paths under confbase.
106 char *config_filename (const char *name, const char *dflt); 133 char *config_filename (const char *name, const char *dflt);
107 134
… …
109 136
110 configuration (); 137 configuration ();
111 ~configuration (); 138 ~configuration ();
112}; 139};
113 140
141struct configuration_parser
142{
143 configuration &conf;
144
145 bool need_keys;
146 conf_node *node;
147
148 int argc;
149 char **argv;
150
151 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
152
153 const char *parse_line (char *line);
154 void parse_argv ();
155};
156
114extern struct configuration conf; 157extern struct configuration conf;
115 158
116#define THISNODE ::conf.thisnode 159#define THISNODE ::conf.thisnode
117 160
118#endif 161#endif

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