gvpe/src/conf.h

/*
    conf.h -- configuration database
    Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef VPE_CONF_H__
#define VPE_CONF_H__

#include <vector>

#include <openssl/rsa.h>

#include "slog.h"
#include "global.h"

#define DEFAULT_REKEY           3600
#define DEFAULT_KEEPALIVE       60      // one keepalive/minute (it's just 8 bytes...)
#define DEFAULT_UDPPORT         655     // same as tinc, conflicts would be rare
#define DEFAULT_MTU             1500    // let's ether-net
#define DEFAULT_MAX_RETRY       28800   // retry at least this often

enum {
  PROT_UDPv4  = 0x01, // udp over ipv4
  PROT_IPv4   = 0x02, // generic ip protocol
  PROT_TCPv4  = 0x04, // tcp over ipv4
  PROT_ICMPv4 = 0x08, // icmp over ipv4
  PROT_DNSv4  = 0x10, // dns tunnel over ipv4
};

// select the "best" protocol of the available ones
u8 best_protocol (u8 protset);
const char *strprotocol (u8 protocol);

struct conf_node {
  int id;         // the id of this node, a 12-bit-number

  RSA *rsa_key;   // his public key
  char *nodename; // nodename, an internal nickname.

  char *hostname; // hostname, if known, or NULL.

  u8 protocols;   // protocols this host can send & receive
  u16 udp_port, tcp_port, dns_port;   // the port to bind to
  int max_retry;

  enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
  bool compress;
  bool inherit_tos; // inherit TOS in packets send to this destination

  u32 routerprio;

  void print ();

  ~conf_node ();
};

struct configuration {
  typedef vector<conf_node *> node_vector;
  node_vector nodes;
  conf_node default_node;
  conf_node *thisnode;
  int mtu;          // the mtu used for outgoing tunnel packets
  double rekey;     // rekey interval
  double keepalive; // keepalive probes interval
  char *ifname;     // the interface name (tap0 ...)
  bool ifpersist;   // should the interface be persistent
  char *prikeyfile;
  RSA *rsa_key;     // our private rsa key
  loglevel llevel;
  u8 ip_proto;      // the ip protocol to use
#if ENABLE_ICMP
  u8 icmp_type;     // the icmp type for the icmp-protocol
#endif

  char *script_if_up;
  char *script_node_up;
  char *script_node_down;
  char *pidfilename;

#if ENABLE_HTTP_PROXY
  char *proxy_auth;     // login:password
  char *proxy_host;     // the proxy hostname, e.g. proxy1.example.net
  u16 proxy_port;       // the proxy port, e.g. 3128
#endif

  void init ();
  void cleanup ();
  void read_config (bool need_keys);
  void clear_config ();

  // create a filename from string, replacing %s by the nodename
  // and using relative paths under confbase.
  char *config_filename (const char *name, const char *dflt);

  void print ();

  configuration ();
  ~configuration ();
};

extern struct configuration conf;

#define THISNODE ::conf.thisnode

#endif

Revision:	1.21
Committed:	Fri Jun 11 15:56:33 2004 UTC (19 years, 11 months ago) by pcg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-1_7
Changes since 1.20:	+2 -0 lines
Log Message:	* empty log message *
#	Content
1	/*
2	conf.h -- configuration database
3	Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com>
4
5	This program is free software; you can redistribute it and/or modify
6	it under the terms of the GNU General Public License as published by
7	the Free Software Foundation; either version 2 of the License, or
8	(at your option) any later version.
9
10	This program is distributed in the hope that it will be useful,
11	but WITHOUT ANY WARRANTY; without even the implied warranty of
12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	GNU General Public License for more details.
14
15	You should have received a copy of the GNU General Public License
16	along with this program; if not, write to the Free Software
17	Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18	*/
19
20	#ifndef VPE_CONF_H__
21	#define VPE_CONF_H__
22
23	#include <vector>
24
25	#include <openssl/rsa.h>
26
27	#include "slog.h"
28	#include "global.h"
29
30	#define DEFAULT_REKEY 3600
31	#define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...)
32	#define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare
33	#define DEFAULT_MTU 1500 // let's ether-net
34	#define DEFAULT_MAX_RETRY 28800 // retry at least this often
35
36	enum {
37	PROT_UDPv4 = 0x01, // udp over ipv4
38	PROT_IPv4 = 0x02, // generic ip protocol
39	PROT_TCPv4 = 0x04, // tcp over ipv4
40	PROT_ICMPv4 = 0x08, // icmp over ipv4
41	PROT_DNSv4 = 0x10, // dns tunnel over ipv4
42	};
43
44	// select the "best" protocol of the available ones
45	u8 best_protocol (u8 protset);
46	const char *strprotocol (u8 protocol);
47
48	struct conf_node {
49	int id; // the id of this node, a 12-bit-number
50
51	RSA *rsa_key; // his public key
52	char *nodename; // nodename, an internal nickname.
53
54	char *hostname; // hostname, if known, or NULL.
55
56	u8 protocols; // protocols this host can send & receive
57	u16 udp_port, tcp_port, dns_port; // the port to bind to
58	int max_retry;
59
60	enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
61	bool compress;
62	bool inherit_tos; // inherit TOS in packets send to this destination
63
64	u32 routerprio;
65
66	void print ();
67
68	~conf_node ();
69	};
70
71	struct configuration {
72	typedef vector<conf_node *> node_vector;
73	node_vector nodes;
74	conf_node default_node;
75	conf_node *thisnode;
76	int mtu; // the mtu used for outgoing tunnel packets
77	double rekey; // rekey interval
78	double keepalive; // keepalive probes interval
79	char *ifname; // the interface name (tap0 ...)
80	bool ifpersist; // should the interface be persistent
81	char *prikeyfile;
82	RSA *rsa_key; // our private rsa key
83	loglevel llevel;
84	u8 ip_proto; // the ip protocol to use
85	#if ENABLE_ICMP
86	u8 icmp_type; // the icmp type for the icmp-protocol
87	#endif
88
89	char *script_if_up;
90	char *script_node_up;
91	char *script_node_down;
92	char *pidfilename;
93
94	#if ENABLE_HTTP_PROXY
95	char *proxy_auth; // login:password
96	char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
97	u16 proxy_port; // the proxy port, e.g. 3128
98	#endif
99
100	void init ();
101	void cleanup ();
102	void read_config (bool need_keys);
103	void clear_config ();
104
105	// create a filename from string, replacing %s by the nodename
106	// and using relative paths under confbase.
107	char config_filename (const char name, const char *dflt);
108
109	void print ();
110
111	configuration ();
112	~configuration ();
113	};
114
115	extern struct configuration conf;
116
117	#define THISNODE ::conf.thisnode
118
119	#endif
120