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Comparing gvpe/src/conf.h (file contents):
Revision 1.19 by pcg, Sat Jan 17 14:50:40 2004 UTC vs.
Revision 1.35 by pcg, Sun Aug 10 01:34:36 2008 UTC

1/* 1/*
2 conf.h -- configuration database 2 conf.h -- configuration database
3 Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> 3 Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE.
6
5 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify it
6 it under the terms of the GNU General Public License as published by 8 under the terms of the GNU General Public License as published by the
7 the Free Software Foundation; either version 2 of the License, or 9 Free Software Foundation; either version 3 of the License, or (at your
8 (at your option) any later version. 10 option) any later version.
9 11
10 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, but
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
13 GNU General Public License for more details. 15 Public License for more details.
14 16
15 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 along
16 along with this program; if not, write to the Free Software 18 with this program; if not, see <http://www.gnu.org/licenses/>.
17 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19
20 Additional permission under GNU GPL version 3 section 7
21
22 If you modify this Program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a modified
24 version of that library), containing parts covered by the terms of the
25 OpenSSL or SSLeay licenses, the licensors of this Program grant you
26 additional permission to convey the resulting work. Corresponding
27 Source for a non-source form of such a combination shall include the
28 source code for the parts of OpenSSL used as well as that of the
29 covered work.
18*/ 30*/
19 31
20#ifndef VPE_CONF_H__ 32#ifndef GVPE_CONF_H__
21#define VPE_CONF_H__ 33#define GVPE_CONF_H__
22 34
23#include <vector> 35#include <vector>
24 36
25#include <openssl/rsa.h> 37#include <openssl/rsa.h>
26 38
27#include "slog.h" 39#include "slog.h"
28#include "global.h" 40#include "global.h"
29 41
30#define DEFAULT_REKEY 3600 42#define DEFAULT_REKEY 3600
31#define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) 43#define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...)
32#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare 44#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare
33#define DEFAULT_MTU 1500 // let's ether-net 45#define DEFAULT_MTU 1500 // let's ether-net
46#define DEFAULT_MAX_RETRY 3600 // retry at least this often
47#define DEFAULT_MAX_TTL 60 // packets expire after this many seconds
48#define DEFAULT_MAX_QUEUE 512 // never queue more than this many packets
49
50#define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple
51#define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval
52#define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate
53#define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests
34 54
35enum { 55enum
56{
36 PROT_UDPv4 = 0x01, // udp over ipv4 57 PROT_UDPv4 = 0x01, // udp over ipv4
37 PROT_IPv4 = 0x02, // generic ip protocol 58 PROT_IPv4 = 0x02, // generic ip protocol
38 PROT_TCPv4 = 0x04, // tcp over ipv4 59 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
39 PROT_ICMPv4 = 0x08, // icmp over ipv4 60 PROT_ICMPv4 = 0x08, // icmp over ipv4
61 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
40}; 62};
63
64#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
65#define PROT_SLOW PROT_DNSv4
41 66
42// select the "best" protocol of the available ones 67// select the "best" protocol of the available ones
43u8 best_protocol (u8 protset); 68u8 best_protocol (u8 protset);
44const char *strprotocol (u8 protocol); 69const char *strprotocol (u8 protocol);
45 70
46struct conf_node { 71struct conf_node
72{
47 int id; // the id of this node, a 12-bit-number 73 int id; // the id of this node, a 12-bit-number
48 74
49 RSA *rsa_key; // his public key 75 RSA *rsa_key; // his public key
50 char *nodename; // nodename, an internal nickname. 76 char *nodename; // nodename, an internal nickname.
51
52 char *hostname; // hostname, if known, or NULL. 77 char *hostname; // hostname, if known, or NULL.
78 char *if_up_data;
79#if ENABLE_DNS
80 char *domain; // dns tunnel domain
81#endif
82 char *dns_hostname;
83 u16 dns_port;
53 84
54 u8 protocols; // protocols this host can send & receive 85 u8 protocols; // protocols this host can send & receive
55 u16 udp_port, tcp_port; // the port to bind to 86 u16 udp_port, tcp_port; // the port to bind to
87 int max_retry;
88 double max_ttl; // packets expire after this many seconds
89 int max_queue; // maixmum send queue length
56 90
57 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; 91 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
58 bool compress; 92 bool compress;
59 bool inherit_tos; // inherit TOS in packets send to this destination 93 bool inherit_tos; // inherit TOS in packets send to this destination
60 94
95 vector<const char *> allow_direct;
96 vector<const char *> deny_direct;
97
61 u32 routerprio; 98 u32 routerprio;
99
100 u8 connectable_protocols () const
101 {
102 u8 protocols = this->protocols;
103
104 // mask out endpoints we can't connect to
105 if (!udp_port) protocols &= ~PROT_UDPv4;
106 if (!tcp_port) protocols &= ~PROT_TCPv4;
107 if (!dns_port) protocols &= ~PROT_DNSv4;
108
109 return protocols;
110 }
111
112 bool may_direct (struct conf_node *other);
113 void finalise ();
62 114
63 void print (); 115 void print ();
64 116
65 ~conf_node (); 117 ~conf_node ();
66}; 118};
67 119
68struct configuration { 120struct configuration
121{
69 typedef vector<conf_node *> node_vector; 122 typedef vector<conf_node *> node_vector;
70 node_vector nodes; 123 node_vector nodes;
71 conf_node default_node; 124 conf_node default_node;
72 conf_node *thisnode; 125 conf_node *thisnode;
73 int mtu; // the mtu used for outgoing tunnel packets 126 int mtu; // the mtu used for outgoing tunnel packets
… …
84#endif 137#endif
85 138
86 char *script_if_up; 139 char *script_if_up;
87 char *script_node_up; 140 char *script_node_up;
88 char *script_node_down; 141 char *script_node_down;
142 char *pidfilename;
89 143
90#if ENABLE_HTTP_PROXY 144#if ENABLE_HTTP_PROXY
91 char *proxy_auth; // login:password 145 char *proxy_auth; // login:password
92 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net 146 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
93 u16 proxy_port; // the proxy port, e.g. 3128 147 u16 proxy_port; // the proxy port, e.g. 3128
94#endif 148#endif
95 149
150#if ENABLE_DNS
151 char *dns_forw_host;
152 u16 dns_forw_port;
153 float dns_timeout_factor;
154 float dns_send_interval;
155 float dns_overlap_factor;
156 int dns_max_outstanding;
157#endif
158
96 void init (); 159 void init ();
97 void cleanup (); 160 void cleanup ();
98 void read_config (bool need_keys);
99 void clear_config (); 161 void clear ();
100 162
101 // create a filename from string, replacing %s by the nodename 163 // create a filename from string, replacing %s by the nodename
102 // and using relative paths under confbase. 164 // and using relative paths under confbase.
103 char *config_filename (const char *name, const char *dflt); 165 char *config_filename (const char *name, const char *dflt);
104 166
… …
106 168
107 configuration (); 169 configuration ();
108 ~configuration (); 170 ~configuration ();
109}; 171};
110 172
173struct configuration_parser
174{
175 configuration &conf;
176
177 bool need_keys;
178 conf_node *node;
179
180 int argc;
181 char **argv;
182
183 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
184
185 const char *parse_line (char *line);
186 void parse_argv ();
187};
188
111extern struct configuration conf; 189extern struct configuration conf;
112 190
113#define THISNODE ::conf.thisnode 191#define THISNODE ::conf.thisnode
114 192
115#endif 193#endif

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