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 (server)
  PROT_ICMPv4 = 0x08, // icmp over ipv4
  PROT_DNSv4  = 0x10, // dns tunnel ipv4 (server)
};

// 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.
#if ENABLE_DNS
  char *domain;   // dns tunnel domain
#endif
  char *dns_hostname;
  u16 dns_port;

  u8 protocols;   // protocols this host can send & receive
  u16 udp_port, tcp_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

#if ENABLE_DNS
  char *dns_forw_host;
  u16 dns_forw_port;
#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:	1.24
Committed:	Thu Mar 3 07:24:57 2005 UTC (19 years, 2 months ago) by pcg
Content type:	text/plain
Branch:	MAIN
Changes since 1.23:	+4 -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	#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 (server)
40	PROT_ICMPv4 = 0x08, // icmp over ipv4
41	PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server)
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	char *hostname; // hostname, if known, or NULL.
54	#if ENABLE_DNS
55	char *domain; // dns tunnel domain
56	#endif
57	char *dns_hostname;
58	u16 dns_port;
59
60	u8 protocols; // protocols this host can send & receive
61	u16 udp_port, tcp_port; // the port to bind to
62	int max_retry;
63
64	enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
65	bool compress;
66	bool inherit_tos; // inherit TOS in packets send to this destination
67
68	u32 routerprio;
69
70	void print ();
71
72	~conf_node ();
73	};
74
75	struct configuration {
76	typedef vector<conf_node *> node_vector;
77	node_vector nodes;
78	conf_node default_node;
79	conf_node *thisnode;
80	int mtu; // the mtu used for outgoing tunnel packets
81	double rekey; // rekey interval
82	double keepalive; // keepalive probes interval
83	char *ifname; // the interface name (tap0 ...)
84	bool ifpersist; // should the interface be persistent
85	char *prikeyfile;
86	RSA *rsa_key; // our private rsa key
87	loglevel llevel;
88	u8 ip_proto; // the ip protocol to use
89	#if ENABLE_ICMP
90	u8 icmp_type; // the icmp type for the icmp-protocol
91	#endif
92
93	char *script_if_up;
94	char *script_node_up;
95	char *script_node_down;
96	char *pidfilename;
97
98	#if ENABLE_HTTP_PROXY
99	char *proxy_auth; // login:password
100	char *proxy_host; // the proxy hostname, e.g. proxy1.example.net
101	u16 proxy_port; // the proxy port, e.g. 3128
102	#endif
103
104	#if ENABLE_DNS
105	char *dns_forw_host;
106	u16 dns_forw_port;
107	#endif
108
109	void init ();
110	void cleanup ();
111	void read_config (bool need_keys);
112	void clear_config ();
113
114	// create a filename from string, replacing %s by the nodename
115	// and using relative paths under confbase.
116	char config_filename (const char name, const char *dflt);
117
118	void print ();
119
120	configuration ();
121	~configuration ();
122	};
123
124	extern struct configuration conf;
125
126	#define THISNODE ::conf.thisnode
127
128	#endif
129