ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/conf.h
(Generate patch)

Comparing gvpe/src/conf.h (file contents):
Revision 1.24 by pcg, Thu Mar 3 07:24:57 2005 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
34#define DEFAULT_MAX_RETRY 28800 // retry at least this often 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
35 54
36enum { 55enum
56{
37 PROT_UDPv4 = 0x01, // udp over ipv4 57 PROT_UDPv4 = 0x01, // udp over ipv4
38 PROT_IPv4 = 0x02, // generic ip protocol 58 PROT_IPv4 = 0x02, // generic ip protocol
39 PROT_TCPv4 = 0x04, // tcp over ipv4 (server) 59 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
40 PROT_ICMPv4 = 0x08, // icmp over ipv4 60 PROT_ICMPv4 = 0x08, // icmp over ipv4
41 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) 61 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
42}; 62};
43 63
64#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
65#define PROT_SLOW PROT_DNSv4
66
44// select the "best" protocol of the available ones 67// select the "best" protocol of the available ones
45u8 best_protocol (u8 protset); 68u8 best_protocol (u8 protset);
46const char *strprotocol (u8 protocol); 69const char *strprotocol (u8 protocol);
47 70
48struct conf_node { 71struct conf_node
72{
49 int id; // the id of this node, a 12-bit-number 73 int id; // the id of this node, a 12-bit-number
50 74
51 RSA *rsa_key; // his public key 75 RSA *rsa_key; // his public key
52 char *nodename; // nodename, an internal nickname. 76 char *nodename; // nodename, an internal nickname.
53 char *hostname; // hostname, if known, or NULL. 77 char *hostname; // hostname, if known, or NULL.
78 char *if_up_data;
54#if ENABLE_DNS 79#if ENABLE_DNS
55 char *domain; // dns tunnel domain 80 char *domain; // dns tunnel domain
56#endif 81#endif
57 char *dns_hostname; 82 char *dns_hostname;
58 u16 dns_port; 83 u16 dns_port;
59 84
60 u8 protocols; // protocols this host can send & receive 85 u8 protocols; // protocols this host can send & receive
61 u16 udp_port, tcp_port; // the port to bind to 86 u16 udp_port, tcp_port; // the port to bind to
62 int max_retry; 87 int max_retry;
88 double max_ttl; // packets expire after this many seconds
89 int max_queue; // maixmum send queue length
63 90
64 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; 91 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
65 bool compress; 92 bool compress;
66 bool inherit_tos; // inherit TOS in packets send to this destination 93 bool inherit_tos; // inherit TOS in packets send to this destination
67 94
95 vector<const char *> allow_direct;
96 vector<const char *> deny_direct;
97
68 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 ();
69 114
70 void print (); 115 void print ();
71 116
72 ~conf_node (); 117 ~conf_node ();
73}; 118};
74 119
75struct configuration { 120struct configuration
121{
76 typedef vector<conf_node *> node_vector; 122 typedef vector<conf_node *> node_vector;
77 node_vector nodes; 123 node_vector nodes;
78 conf_node default_node; 124 conf_node default_node;
79 conf_node *thisnode; 125 conf_node *thisnode;
80 int mtu; // the mtu used for outgoing tunnel packets 126 int mtu; // the mtu used for outgoing tunnel packets
… …
102#endif 148#endif
103 149
104#if ENABLE_DNS 150#if ENABLE_DNS
105 char *dns_forw_host; 151 char *dns_forw_host;
106 u16 dns_forw_port; 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;
107#endif 157#endif
108 158
109 void init (); 159 void init ();
110 void cleanup (); 160 void cleanup ();
111 void read_config (bool need_keys);
112 void clear_config (); 161 void clear ();
113 162
114 // create a filename from string, replacing %s by the nodename 163 // create a filename from string, replacing %s by the nodename
115 // and using relative paths under confbase. 164 // and using relative paths under confbase.
116 char *config_filename (const char *name, const char *dflt); 165 char *config_filename (const char *name, const char *dflt);
117 166
… …
119 168
120 configuration (); 169 configuration ();
121 ~configuration (); 170 ~configuration ();
122}; 171};
123 172
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
124extern struct configuration conf; 189extern struct configuration conf;
125 190
126#define THISNODE ::conf.thisnode 191#define THISNODE ::conf.thisnode
127 192
128#endif 193#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines