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 *
#	User	Rev	Content
1	pcg	1.1	/*
2			conf.h -- configuration database
3	pcg	1.18	Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com>
4	pcg	1.1
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	pcg	1.19	#include <vector>
24
25	pcg	1.11	#include <openssl/rsa.h>
26	pcg	1.1
27	pcg	1.2	#include "slog.h"
28	pcg	1.1	#include "global.h"
29
30			#define DEFAULT_REKEY 3600
31	pcg	1.8	#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	pcg	1.17	#define DEFAULT_MTU 1500 // let's ether-net
34	pcg	1.8
35			enum {
36	pcg	1.13	PROT_UDPv4 = 0x01, // udp over ipv4
37			PROT_IPv4 = 0x02, // generic ip protocol
38			PROT_TCPv4 = 0x04, // tcp over ipv4
39	pcg	1.14	PROT_ICMPv4 = 0x08, // icmp over ipv4
40	pcg	1.20	PROT_DNSv4 = 0x10, // dns tunnel over ipv4
41	pcg	1.8	};
42	pcg	1.1
43	pcg	1.10	// select the "best" protocol of the available ones
44			u8 best_protocol (u8 protset);
45			const char *strprotocol (u8 protocol);
46
47	pcg	1.1	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	pcg	1.8
55	pcg	1.9	u8 protocols; // protocols this host can send & receive
56	pcg	1.20	u16 udp_port, tcp_port, dns_port; // the port to bind to
57	pcg	1.1
58	pcg	1.7	enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode;
59	pcg	1.1	bool compress;
60	pcg	1.4	bool inherit_tos; // inherit TOS in packets send to this destination
61	pcg	1.1
62			u32 routerprio;
63
64			void print ();
65
66	pcg	1.12	~conf_node ();
67	pcg	1.1	};
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	pcg	1.6	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	pcg	1.1	char *prikeyfile;
80	pcg	1.9	RSA *rsa_key; // our private rsa key
81	pcg	1.2	loglevel llevel;
82	pcg	1.13	u8 ip_proto; // the ip protocol to use
83	pcg	1.15	#if ENABLE_ICMP
84	pcg	1.13	u8 icmp_type; // the icmp type for the icmp-protocol
85	pcg	1.15	#endif
86	pcg	1.1
87			char *script_if_up;
88			char *script_node_up;
89			char *script_node_down;
90	pcg	1.20	char *pidfilename;
91	pcg	1.12
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	pcg	1.1
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