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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 1.32 by pcg, Mon Dec 5 12:58:09 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>
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
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
39 42
43enum
44{
45 PROT_UDPv4 = 0x01, // udp over ipv4
46 PROT_IPv4 = 0x02, // generic ip protocol
47 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
48 PROT_ICMPv4 = 0x08, // icmp over ipv4
49 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
50};
51
52#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
53#define PROT_SLOW PROT_DNSv4
54
55// select the "best" protocol of the available ones
56u8 best_protocol (u8 protset);
57const char *strprotocol (u8 protocol);
58
40struct conf_node { 59struct conf_node
60{
41 int id; // the id of this node, a 12-bit-number 61 int id; // the id of this node, a 12-bit-number
42 62
43 RSA *rsa_key; // his public key 63 RSA *rsa_key; // his public key
44 char *nodename; // nodename, an internal nickname. 64 char *nodename; // nodename, an internal nickname.
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;
45 72
46 char *hostname; // hostname, if known, or NULL. 73 u8 protocols; // protocols this host can send & receive
47 u16 port; // the port to bind to 74 u16 udp_port, tcp_port; // the port to bind to
75 int max_retry;
48 76
49 enum { C_ONDEMAND, C_NEVER, C_ALWAYS } connectmode; 77 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
50 bool compress; 78 bool compress;
79 bool inherit_tos; // inherit TOS in packets send to this destination
80
81 vector<const char *> allow_direct;
82 vector<const char *> deny_direct;
51 83
52 u32 routerprio; 84 u32 routerprio;
53 85
86 bool can_direct (struct conf_node *other);
87
54 void print (); 88 void print ();
55 89
56 conf_node()
57 {
58 memset (this, 0, sizeof *this);
59 }
60
61 ~conf_node () 90 ~conf_node ();
62 {
63 if (rsa_key)
64 RSA_free (rsa_key);
65
66 free (nodename);
67 free (hostname);
68 }
69}; 91};
70 92
71struct configuration { 93struct configuration
94{
72 typedef vector<conf_node *> node_vector; 95 typedef vector<conf_node *> node_vector;
73 node_vector nodes; 96 node_vector nodes;
74 conf_node default_node; 97 conf_node default_node;
75 conf_node *thisnode; 98 conf_node *thisnode;
76 int mtu; // the mtu used for outgoing tunnel packets 99 int mtu; // the mtu used for outgoing tunnel packets
77 int rekey; // rekey interval 100 double rekey; // rekey interval
78 int keepalive; // keepalive probes interval 101 double keepalive; // keepalive probes interval
79 char *ifname; // the interface name (tap0 ...) 102 char *ifname; // the interface name (tap0 ...)
80 bool ifpersist; // should the interface be persistent 103 bool ifpersist; // should the interface be persistent
81 char *prikeyfile; 104 char *prikeyfile;
82 RSA *rsa_key; // our private rsa key 105 RSA *rsa_key; // our private rsa key
106 loglevel llevel;
107 u8 ip_proto; // the ip protocol to use
108#if ENABLE_ICMP
109 u8 icmp_type; // the icmp type for the icmp-protocol
110#endif
83 111
84 char *script_if_up; 112 char *script_if_up;
85 char *script_node_up; 113 char *script_node_up;
86 char *script_node_down; 114 char *script_node_down;
115 char *pidfilename;
116
117#if ENABLE_HTTP_PROXY
118 char *proxy_auth; // login:password
119 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
120 u16 proxy_port; // the proxy port, e.g. 3128
121#endif
122
123#if ENABLE_DNS
124 char *dns_forw_host;
125 u16 dns_forw_port;
126 float dns_timeout_factor;
127 float dns_send_interval;
128 float dns_overlap_factor;
129 int dns_max_outstanding;
130#endif
87 131
88 void init (); 132 void init ();
89 void cleanup (); 133 void cleanup ();
90 void read_config (bool need_keys);
91 void clear_config (); 134 void clear ();
92 135
93 // create a filename from string, replacing %s by the nodename 136 // create a filename from string, replacing %s by the nodename
94 // and using relative paths under confbase. 137 // and using relative paths under confbase.
95 char *config_filename (const char *name, const char *dflt); 138 char *config_filename (const char *name, const char *dflt);
96 139
… …
98 141
99 configuration (); 142 configuration ();
100 ~configuration (); 143 ~configuration ();
101}; 144};
102 145
146struct configuration_parser
147{
148 configuration &conf;
149
150 bool need_keys;
151 conf_node *node;
152
153 int argc;
154 char **argv;
155
156 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
157
158 const char *parse_line (char *line);
159 void parse_argv ();
160};
161
103extern struct configuration conf; 162extern struct configuration conf;
104 163
105#define THISNODE ::conf.thisnode 164#define THISNODE ::conf.thisnode
106 165
107#endif 166#endif

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