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Comparing gvpe/src/conf.h (file contents):
Revision 1.29 by pcg, Sat Mar 26 03:16:24 2005 UTC vs.
Revision 1.36 by pcg, Mon Mar 23 15:22:00 2009 UTC

1/* 1/*
2 conf.h -- configuration database 2 conf.h -- configuration database
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> 3 Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE. 5 This file is part of GVPE.
6 6
7 GVPE is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify it
8 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
9 the Free Software Foundation; either version 2 of the License, or 9 Free Software Foundation; either version 3 of the License, or (at your
10 (at your option) any later version. 10 option) any later version.
11 11
12 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
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15 GNU General Public License for more details. 15 Public License for more details.
16 16
17 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
18 along with gvpe; if not, write to the Free Software 18 with this program; if not, see <http://www.gnu.org/licenses/>.
19 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.
20*/ 30*/
21 31
22#ifndef GVPE_CONF_H__ 32#ifndef GVPE_CONF_H__
23#define GVPE_CONF_H__ 33#define GVPE_CONF_H__
24 34
… …
32#define DEFAULT_REKEY 3600 42#define DEFAULT_REKEY 3600
33#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...)
34#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare 44#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare
35#define DEFAULT_MTU 1500 // let's ether-net 45#define DEFAULT_MTU 1500 // let's ether-net
36#define DEFAULT_MAX_RETRY 3600 // 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
37 49
38#define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple 50#define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple
39#define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval 51#define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval
40#define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate 52#define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate
41#define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests 53#define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests
42 54
43enum { 55enum
56{
44 PROT_UDPv4 = 0x01, // udp over ipv4 57 PROT_UDPv4 = 0x01, // udp over ipv4
45 PROT_IPv4 = 0x02, // generic ip protocol 58 PROT_IPv4 = 0x02, // generic ip protocol
46 PROT_TCPv4 = 0x04, // tcp over ipv4 (server) 59 PROT_TCPv4 = 0x04, // tcp over ipv4 (server)
47 PROT_ICMPv4 = 0x08, // icmp over ipv4 60 PROT_ICMPv4 = 0x08, // icmp over ipv4
48 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) 61 PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
… …
53 66
54// select the "best" protocol of the available ones 67// select the "best" protocol of the available ones
55u8 best_protocol (u8 protset); 68u8 best_protocol (u8 protset);
56const char *strprotocol (u8 protocol); 69const char *strprotocol (u8 protocol);
57 70
58struct conf_node { 71struct conf_node
72{
59 int id; // the id of this node, a 12-bit-number 73 int id; // the id of this node, a 12-bit-number
60 74
61 RSA *rsa_key; // his public key 75 RSA *rsa_key; // his public key
62 char *nodename; // nodename, an internal nickname. 76 char *nodename; // nodename, an internal nickname.
63 char *hostname; // hostname, if known, or NULL. 77 char *hostname; // hostname, if known, or NULL.
… …
69 u16 dns_port; 83 u16 dns_port;
70 84
71 u8 protocols; // protocols this host can send & receive 85 u8 protocols; // protocols this host can send & receive
72 u16 udp_port, tcp_port; // the port to bind to 86 u16 udp_port, tcp_port; // the port to bind to
73 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
74 90
75 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; 91 enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
76 bool compress; 92 bool compress;
77 bool inherit_tos; // inherit TOS in packets send to this destination 93 bool inherit_tos; // inherit TOS in packets send to this destination
78 94
95 vector<const char *> allow_direct;
96 vector<const char *> deny_direct;
97
79 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 ();
80 114
81 void print (); 115 void print ();
82 116
83 ~conf_node (); 117 ~conf_node ();
84}; 118};
85 119
86struct configuration { 120struct configuration
121{
87 typedef vector<conf_node *> node_vector; 122 typedef vector<conf_node *> node_vector;
88 node_vector nodes; 123 node_vector nodes;
89 conf_node default_node; 124 conf_node default_node;
90 conf_node *thisnode; 125 conf_node *thisnode;
91 int mtu; // the mtu used for outgoing tunnel packets 126 int mtu; // the mtu used for outgoing tunnel packets
127 int nfmark; // the SO_MARK // netfilter mark // fwmark
92 double rekey; // rekey interval 128 double rekey; // rekey interval
93 double keepalive; // keepalive probes interval 129 double keepalive; // keepalive probes interval
94 char *ifname; // the interface name (tap0 ...) 130 char *ifname; // the interface name (tap0 ...)
95 bool ifpersist; // should the interface be persistent 131 bool ifpersist; // should the interface be persistent
96 char *prikeyfile; 132 char *prikeyfile;
… …
121 int dns_max_outstanding; 157 int dns_max_outstanding;
122#endif 158#endif
123 159
124 void init (); 160 void init ();
125 void cleanup (); 161 void cleanup ();
126 void read_config (bool need_keys);
127 void clear_config (); 162 void clear ();
128 163
129 // create a filename from string, replacing %s by the nodename 164 // create a filename from string, replacing %s by the nodename
130 // and using relative paths under confbase. 165 // and using relative paths under confbase.
131 char *config_filename (const char *name, const char *dflt); 166 char *config_filename (const char *name, const char *dflt);
132 167
… …
134 169
135 configuration (); 170 configuration ();
136 ~configuration (); 171 ~configuration ();
137}; 172};
138 173
174struct configuration_parser
175{
176 configuration &conf;
177
178 bool need_keys;
179 conf_node *node;
180
181 int argc;
182 char **argv;
183
184 configuration_parser (configuration &conf, bool need_keys, int argc, char **argv);
185
186 const char *parse_line (char *line);
187 void parse_argv ();
188};
189
139extern struct configuration conf; 190extern struct configuration conf;
140 191
141#define THISNODE ::conf.thisnode 192#define THISNODE ::conf.thisnode
142 193
143#endif 194#endif

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