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Comparing gvpe/src/conf.h (file contents):
Revision 1.1 by pcg, Sat Mar 1 15:53:03 2003 UTC vs.
Revision 1.33 by pcg, Thu Aug 7 16:34:21 2008 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>
33 26
27#include <openssl/rsa.h>
28
29#include "slog.h"
34#include "global.h" 30#include "global.h"
35 31
36#define DEFAULT_REKEY 3600 32#define DEFAULT_REKEY 3600
37#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...)
38#define DEFAULT_PORT 655 // same as tinc, conflicts would be rara 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#define DEFAULT_MAX_TTL 60 // packets expire after this many seconds
38#define DEFAULT_MAX_QUEUE 512 // never queue more than this many packets
39
40#define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple
41#define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval
42#define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate
43#define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests
39 44
45enum
46{
47 PROT_UDPv4 = 0x01, // udp over ipv4
48 PROT_IPv4 = 0x02, // generic ip protocol
49 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
50 PROT_ICMPv4 = 0x08, // icmp over ipv4
51 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
52};
53
54#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
55#define PROT_SLOW PROT_DNSv4
56
57// select the "best" protocol of the available ones
58u8 best_protocol (u8 protset);
59const char *strprotocol (u8 protocol);
60
40struct conf_node { 61struct conf_node
62{
41 int id; // the id of this node, a 12-bit-number 63 int id; // the id of this node, a 12-bit-number
42 64
43 RSA *rsa_key; // his public key 65 RSA *rsa_key; // his public key
44 char *nodename; // nodename, an internal nickname. 66 char *nodename; // nodename, an internal nickname.
67 char *hostname; // hostname, if known, or NULL.
68 char *if_up_data;
69#if ENABLE_DNS
70 char *domain; // dns tunnel domain
71#endif
72 char *dns_hostname;
73 u16 dns_port;
45 74
46 char *hostname; // hostname, if known, or NULL. 75 u8 protocols; // protocols this host can send & receive
47 u16 port; // the port to bind to 76 u16 udp_port, tcp_port; // the port to bind to
77 int max_retry;
78 double max_ttl; // packets expire after this many seconds
79 int max_queue; // maixmum send queue length
48 80
49 enum { C_ONDEMAND, C_NEVER, C_ALWAYS } connectmode; 81 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
50 bool compress; 82 bool compress;
83 bool inherit_tos; // inherit TOS in packets send to this destination
84
85 vector<const char *> allow_direct;
86 vector<const char *> deny_direct;
51 87
52 u32 routerprio; 88 u32 routerprio;
53 89
90 bool can_direct (struct conf_node *other);
91
54 void print (); 92 void print ();
55 93
56 conf_node()
57 {
58 memset (this, 0, sizeof *this);
59 }
60
61 ~conf_node () 94 ~conf_node ();
62 {
63 if (rsa_key)
64 RSA_free (rsa_key);
65
66 free (nodename);
67 free (hostname);
68 }
69}; 95};
70 96
71struct configuration { 97struct configuration
98{
72 typedef vector<conf_node *> node_vector; 99 typedef vector<conf_node *> node_vector;
73 node_vector nodes; 100 node_vector nodes;
74 conf_node default_node; 101 conf_node default_node;
75 conf_node *thisnode; 102 conf_node *thisnode;
76 int mtu; // the mtu used for outgoing tunnel packets 103 int mtu; // the mtu used for outgoing tunnel packets
77 int rekey; // rekey interval 104 double rekey; // rekey interval
78 int keepalive; // keepalive probes interval 105 double keepalive; // keepalive probes interval
79 char *ifname; // the interface name (tap0 ...) 106 char *ifname; // the interface name (tap0 ...)
80 bool ifpersist; // should the interface be persistent 107 bool ifpersist; // should the interface be persistent
81 char *prikeyfile; 108 char *prikeyfile;
82 RSA *rsa_key; // our private rsa key 109 RSA *rsa_key; // our private rsa key
110 loglevel llevel;
111 u8 ip_proto; // the ip protocol to use
112#if ENABLE_ICMP
113 u8 icmp_type; // the icmp type for the icmp-protocol
114#endif
83 115
84 char *script_if_up; 116 char *script_if_up;
85 char *script_node_up; 117 char *script_node_up;
86 char *script_node_down; 118 char *script_node_down;
119 char *pidfilename;
120
121#if ENABLE_HTTP_PROXY
122 char *proxy_auth; // login:password
123 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
124 u16 proxy_port; // the proxy port, e.g. 3128
125#endif
126
127#if ENABLE_DNS
128 char *dns_forw_host;
129 u16 dns_forw_port;
130 float dns_timeout_factor;
131 float dns_send_interval;
132 float dns_overlap_factor;
133 int dns_max_outstanding;
134#endif
87 135
88 void init (); 136 void init ();
89 void cleanup (); 137 void cleanup ();
90 void read_config (bool need_keys);
91 void clear_config (); 138 void clear ();
92 139
93 // create a filename from string, replacing %s by the nodename 140 // create a filename from string, replacing %s by the nodename
94 // and using relative paths under confbase. 141 // and using relative paths under confbase.
95 char *config_filename (const char *name, const char *dflt); 142 char *config_filename (const char *name, const char *dflt);
96 143
… …
98 145
99 configuration (); 146 configuration ();
100 ~configuration (); 147 ~configuration ();
101}; 148};
102 149
150struct configuration_parser
151{
152 configuration &conf;
153
154 bool need_keys;
155 conf_node *node;
156
157 int argc;
158 char **argv;
159
160 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
161
162 const char *parse_line (char *line);
163 void parse_argv ();
164};
165
103extern struct configuration conf; 166extern struct configuration conf;
104 167
105#define THISNODE ::conf.thisnode 168#define THISNODE ::conf.thisnode
106 169
107#endif 170#endif

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