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Comparing gvpe/src/conf.h (file contents):
Revision 1.11 by pcg, Wed Apr 2 03:25:17 2003 UTC vs.
Revision 1.34 by pcg, Thu Aug 7 17:54:26 2008 UTC

1/* 1/*
2 conf.h -- configuration database 2 conf.h -- configuration database
3 Copyright (C) 2003-2008 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 it
5 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
6 the Free Software Foundation; either version 2 of the License, or 9 Free Software Foundation; either version 3 of the License, or (at your
7 (at your option) any later version. 10 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, but
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 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 GNU General
12 GNU General Public License for more details. 15 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 along
15 along with this program; if not, write to the Free Software 18 with this program; if not, see <http://www.gnu.org/licenses/>.
16 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.
17*/ 30*/
18 31
19#ifndef VPE_CONF_H__ 32#ifndef GVPE_CONF_H__
20#define VPE_CONF_H__ 33#define GVPE_CONF_H__
34
35#include <vector>
21 36
22#include <openssl/rsa.h> 37#include <openssl/rsa.h>
23
24#include <vector>
25 38
26#include "slog.h" 39#include "slog.h"
27#include "global.h" 40#include "global.h"
28 41
29#define DEFAULT_REKEY 3600 42#define DEFAULT_REKEY 3600
30#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...)
31#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare 44#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare
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
32 54
33enum { 55enum
56{
34 PROT_UDPv4 = 1, // udp over ipv4 57 PROT_UDPv4 = 0x01, // udp over ipv4
35 PROT_IPv4 = 2, // generic ip protocol 58 PROT_IPv4 = 0x02, // generic ip protocol
36 PROT_TCPv4 = 4, // tcp over ipv4 (NYI) 59 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
60 PROT_ICMPv4 = 0x08, // icmp over ipv4
61 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
37}; 62};
63
64#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
65#define PROT_SLOW PROT_DNSv4
38 66
39// select the "best" protocol of the available ones 67// select the "best" protocol of the available ones
40u8 best_protocol (u8 protset); 68u8 best_protocol (u8 protset);
41const char *strprotocol (u8 protocol); 69const char *strprotocol (u8 protocol);
42 70
43struct conf_node { 71struct conf_node
72{
44 int id; // the id of this node, a 12-bit-number 73 int id; // the id of this node, a 12-bit-number
45 74
46 RSA *rsa_key; // his public key 75 RSA *rsa_key; // his public key
47 char *nodename; // nodename, an internal nickname. 76 char *nodename; // nodename, an internal nickname.
48
49 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;
50 84
51 u8 protocols; // protocols this host can send & receive 85 u8 protocols; // protocols this host can send & receive
52 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
53 90
54 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; 91 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
55 bool compress; 92 bool compress;
56 bool inherit_tos; // inherit TOS in packets send to this destination 93 bool inherit_tos; // inherit TOS in packets send to this destination
57 94
95 vector<const char *> allow_direct;
96 vector<const char *> deny_direct;
97
58 u32 routerprio; 98 u32 routerprio;
99
100 bool can_direct (struct conf_node *other);
59 101
60 void print (); 102 void print ();
61 103
62 ~conf_node () 104 ~conf_node ();
63 {
64 if (rsa_key)
65 RSA_free (rsa_key);
66
67 free (nodename);
68 free (hostname);
69 }
70}; 105};
71 106
72struct configuration { 107struct configuration
108{
73 typedef vector<conf_node *> node_vector; 109 typedef vector<conf_node *> node_vector;
74 node_vector nodes; 110 node_vector nodes;
75 conf_node default_node; 111 conf_node default_node;
76 conf_node *thisnode; 112 conf_node *thisnode;
77 int mtu; // the mtu used for outgoing tunnel packets 113 int mtu; // the mtu used for outgoing tunnel packets
… …
80 char *ifname; // the interface name (tap0 ...) 116 char *ifname; // the interface name (tap0 ...)
81 bool ifpersist; // should the interface be persistent 117 bool ifpersist; // should the interface be persistent
82 char *prikeyfile; 118 char *prikeyfile;
83 RSA *rsa_key; // our private rsa key 119 RSA *rsa_key; // our private rsa key
84 loglevel llevel; 120 loglevel llevel;
85 u8 ip_proto; // the ip protocol to use 121 u8 ip_proto; // the ip protocol to use
122#if ENABLE_ICMP
123 u8 icmp_type; // the icmp type for the icmp-protocol
124#endif
86 125
87 char *script_if_up; 126 char *script_if_up;
88 char *script_node_up; 127 char *script_node_up;
89 char *script_node_down; 128 char *script_node_down;
129 char *pidfilename;
130
131#if ENABLE_HTTP_PROXY
132 char *proxy_auth; // login:password
133 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
134 u16 proxy_port; // the proxy port, e.g. 3128
135#endif
136
137#if ENABLE_DNS
138 char *dns_forw_host;
139 u16 dns_forw_port;
140 float dns_timeout_factor;
141 float dns_send_interval;
142 float dns_overlap_factor;
143 int dns_max_outstanding;
144#endif
90 145
91 void init (); 146 void init ();
92 void cleanup (); 147 void cleanup ();
93 void read_config (bool need_keys);
94 void clear_config (); 148 void clear ();
95 149
96 // create a filename from string, replacing %s by the nodename 150 // create a filename from string, replacing %s by the nodename
97 // and using relative paths under confbase. 151 // and using relative paths under confbase.
98 char *config_filename (const char *name, const char *dflt); 152 char *config_filename (const char *name, const char *dflt);
99 153
… …
101 155
102 configuration (); 156 configuration ();
103 ~configuration (); 157 ~configuration ();
104}; 158};
105 159
160struct configuration_parser
161{
162 configuration &conf;
163
164 bool need_keys;
165 conf_node *node;
166
167 int argc;
168 char **argv;
169
170 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
171
172 const char *parse_line (char *line);
173 void parse_argv ();
174};
175
106extern struct configuration conf; 176extern struct configuration conf;
107 177
108#define THISNODE ::conf.thisnode 178#define THISNODE ::conf.thisnode
109 179
110#endif 180#endif

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