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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 1.41 by root, Tue Jan 17 21:38:11 2012 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.
11
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15 Public License for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, see <http://www.gnu.org/licenses/>.
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.
30*/
31
32#ifndef GVPE_CONF_H__
33#define GVPE_CONF_H__
34
35#include <vector>
36
37#include <openssl/rsa.h>
38
39#include "slog.h"
40#include "global.h"
41
42#define DEFAULT_REKEY 3600
43#define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...)
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
8 49
9 This program is distributed in the hope that it will be useful, 50#define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 51#define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 52#define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate
12 GNU General Public License for more details. 53#define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/
18 54
19#ifndef VPE_CONF_H__ 55enum
20#define VPE_CONF_H__ 56{
57 PROT_UDPv4 = 0x01, // udp over ipv4
58 PROT_IPv4 = 0x02, // generic ip protocol
59 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
60 PROT_ICMPv4 = 0x08, // icmp over ipv4
61 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
62 PROT_ALL = 0x1f
63};
21 64
22#include <sys/types.h> 65#define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4)
23#include <sys/socket.h> 66#define PROT_SLOW PROT_DNSv4
24#include <netdb.h>
25 67
26#ifdef HAVE_OPENSSL_RSA_H 68// select the "best" protocol of the available ones
27# include <openssl/rsa.h> 69u8 best_protocol (u8 protset);
28#else 70const char *strprotocol (u8 protocol);
29# include <rsa.h>
30#endif
31 71
32#include <vector>
33
34#include "global.h"
35
36#define DEFAULT_REKEY 3600
37#define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 48 bytes...)
38#define DEFAULT_PORT 655 // same as tinc, conflicts would be rara
39
40struct conf_node { 72struct conf_node
73{
41 int id; // the id of this node, a 12-bit-number 74 int id; // the id of this node, a 12-bit-number
42 75
43 RSA *rsa_key; // his public key 76 RSA *rsa_key; // his public key
44 char *nodename; // nodename, an internal nickname. 77 char *nodename; // nodename, an internal nickname.
45
46 char *hostname; // hostname, if known, or NULL. 78 char *hostname; // hostname, if known, or NULL.
79 char *if_up_data;
80#if ENABLE_DNS
81 char *domain; // dns tunnel domain
82#endif
83 char *dns_hostname;
84 u16 dns_port;
85
86 u8 protocols; // protocols this host can send & receive
47 u16 port; // the port to bind to 87 u16 udp_port, tcp_port; // the port to bind to
88 int max_retry;
89 double max_ttl; // packets expire after this many seconds
90 int max_queue; // maixmum send queue length
48 91
49 enum { C_ONDEMAND, C_NEVER, C_ALWAYS } connectmode; 92 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
50 bool compress; 93 bool compress;
94 bool inherit_tos; // inherit TOS in packets send to this destination
95
96 vector<const char *> allow_direct;
97 vector<const char *> deny_direct;
51 98
52 u32 routerprio; 99 u32 routerprio;
53 100
101 u8 connectable_protocols () const
102 {
103 u8 protocols = this->protocols;
104
105 // mask out endpoints we can't connect to
106 if (!udp_port) protocols &= ~PROT_UDPv4;
107 if (!tcp_port) protocols &= ~PROT_TCPv4;
108 if (!dns_port) protocols &= ~PROT_DNSv4;
109
110 return protocols;
111 }
112
113 bool may_direct (struct conf_node *other);
114 void finalise ();
115
54 void print (); 116 void print ();
55 117
56 conf_node()
57 {
58 memset (this, 0, sizeof *this);
59 }
60
61 ~conf_node () 118 ~conf_node ();
62 {
63 if (rsa_key)
64 RSA_free (rsa_key);
65
66 free (nodename);
67 free (hostname);
68 }
69}; 119};
70 120
71struct configuration { 121struct configuration
122{
72 typedef vector<conf_node *> node_vector; 123 typedef vector<conf_node *> node_vector;
73 node_vector nodes; 124 node_vector nodes;
74 conf_node default_node; 125 conf_node default_node;
75 conf_node *thisnode; 126 conf_node *thisnode;
76 int mtu; // the mtu used for outgoing tunnel packets 127 int mtu; // the mtu used for outgoing tunnel packets
128 int nfmark; // the SO_MARK // netfilter mark // fwmark
77 int rekey; // rekey interval 129 double rekey; // rekey interval
78 int keepalive; // keepalive probes interval 130 double keepalive; // keepalive probes interval
79 char *ifname; // the interface name (tap0 ...) 131 char *ifname; // the interface name (tap0 ...)
80 bool ifpersist; // should the interface be persistent 132 bool ifpersist; // should the interface be persistent
81 char *prikeyfile; 133 char *prikeyfile;
82 RSA *rsa_key; // our private rsa key 134 RSA *rsa_key; // our private rsa key
135 loglevel llevel;
136 u8 ip_proto; // the ip protocol to use
137#if 1//D2
138 u8 ip2_proto; // the ip protocol to use
139#endif
140#if ENABLE_ICMP
141 u8 icmp_type; // the icmp type for the icmp-protocol
142#endif
83 143
84 char *script_if_up; 144 char *script_if_up;
85 char *script_node_up; 145 char *script_node_up;
146 char *script_node_change;
86 char *script_node_down; 147 char *script_node_down;
148 char *pidfilename;
149
150#if ENABLE_HTTP_PROXY
151 char *proxy_auth; // login:password
152 char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
153 u16 proxy_port; // the proxy port, e.g. 3128
154#endif
155
156#if ENABLE_DNS
157 char *dns_forw_host;
158 bool dns_case_preserving;
159 u16 dns_forw_port;
160 float dns_timeout_factor;
161 float dns_send_interval;
162 float dns_overlap_factor;
163 int dns_max_outstanding;
164#endif
87 165
88 void init (); 166 void init ();
89 void cleanup (); 167 void cleanup ();
90 void read_config (bool need_keys);
91 void clear_config (); 168 void clear ();
92 169
93 // create a filename from string, replacing %s by the nodename 170 // create a filename from string, replacing %s by the nodename
94 // and using relative paths under confbase. 171 // and using relative paths under confbase.
95 char *config_filename (const char *name, const char *dflt); 172 char *config_filename (const char *name, const char *dflt = 0);
96 173
97 void print (); 174 void print ();
98 175
99 configuration (); 176 configuration ();
100 ~configuration (); 177 ~configuration ();
101}; 178};
102 179
180struct configuration_parser
181{
182 configuration &conf;
183
184 bool need_keys;
185 conf_node *node;
186
187 int argc;
188 char **argv;
189
190 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
191
192 void parse_file (const char *fname);
193 const char *parse_line (char *line);
194 void parse_argv ();
195};
196
103extern struct configuration conf; 197extern struct configuration conf;
104 198
105#define THISNODE ::conf.thisnode 199#define THISNODE ::conf.thisnode
106 200
107#endif 201#endif

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