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

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

  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:	1.20
Committed:	Fri Apr 2 14:42:45 2004 UTC (20 years, 1 month ago) by pcg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	VPE_1_6, VPE-1_6_1
Changes since 1.19:	+3 -1 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
35	enum {
36	PROT_UDPv4 = 0x01, // udp over ipv4
37	PROT_IPv4 = 0x02, // generic ip protocol
38	PROT_TCPv4 = 0x04, // tcp over ipv4
39	PROT_ICMPv4 = 0x08, // icmp over ipv4
40	PROT_DNSv4 = 0x10, // dns tunnel over ipv4
41	};
42
43	// select the "best" protocol of the available ones
44	u8 best_protocol (u8 protset);
45	const char *strprotocol (u8 protocol);
46
47	struct conf_node {
48	int id; // the id of this node, a 12-bit-number
49
50	RSA *rsa_key; // his public key
51	char *nodename; // nodename, an internal nickname.
52
53	char *hostname; // hostname, if known, or NULL.
54
55	u8 protocols; // protocols this host can send & receive
56	u16 udp_port, tcp_port, dns_port; // the port to bind to
57
58	enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
59	bool compress;
60	bool inherit_tos; // inherit TOS in packets send to this destination
61
62	u32 routerprio;
63
64	void print ();
65
66	~conf_node ();
67	};
68
69	struct configuration {
70	typedef vector<conf_node *> node_vector;
71	node_vector nodes;
72	conf_node default_node;
73	conf_node *thisnode;
74	int mtu; // the mtu used for outgoing tunnel packets
75	double rekey; // rekey interval
76	double keepalive; // keepalive probes interval
77	char *ifname; // the interface name (tap0 ...)
78	bool ifpersist; // should the interface be persistent
79	char *prikeyfile;
80	RSA *rsa_key; // our private rsa key
81	loglevel llevel;
82	u8 ip_proto; // the ip protocol to use
83	#if ENABLE_ICMP
84	u8 icmp_type; // the icmp type for the icmp-protocol
85	#endif
86
87	char *script_if_up;
88	char *script_node_up;
89	char *script_node_down;
90	char *pidfilename;
91
92	#if ENABLE_HTTP_PROXY
93	char *proxy_auth; // login:password
94	char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
95	u16 proxy_port; // the proxy port, e.g. 3128
96	#endif
97
98	void init ();
99	void cleanup ();
100	void read_config (bool need_keys);
101	void clear_config ();
102
103	// create a filename from string, replacing %s by the nodename
104	// and using relative paths under confbase.
105	char config_filename (const char name, const char *dflt);
106
107	void print ();
108
109	configuration ();
110	~configuration ();
111	};
112
113	extern struct configuration conf;
114
115	#define THISNODE ::conf.thisnode
116
117	#endif
118