[ViewVC] Diff of: cvs/gvpe/src/conf.C

Comparing gvpe/src/conf.C (file contents):
Revision 1.2 by pcg, Thu Mar 6 18:43:07 2003 UTC vs.
Revision 1.34 by pcg, Thu Mar 17 23:59:37 2005 UTC

…		…
1	/*	1	/*
2	conf.c -- configuration code	2	conf.c -- configuration code
3	Copyright (C) 1998 Robert van der Meulen	3	Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
4	1998-2002 Ivo Timmermans <ivo@o2w.nl>
5	2000-2002 Guus Sliepen <guus@sliepen.eu.org>
6	2000 Cris van Pelt <tribbel@arise.dhs.org>
7	2003 Marc Lehmann <pcg@goof.com>
8		4
		5	This file is part of GVPE.
		6
9	This program is free software; you can redistribute it and/or modify	7	GVPE is free software; you can redistribute it and/or modify
10	it under the terms of the GNU General Public License as published by	8	it under the terms of the GNU General Public License as published by
11	the Free Software Foundation; either version 2 of the License, or	9	the Free Software Foundation; either version 2 of the License, or
12	(at your option) any later version.	10	(at your option) any later version.
13		11
14	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,
15	but WITHOUT ANY WARRANTY; without even the implied warranty of	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17	GNU General Public License for more details.	15	GNU General Public License for more details.
18		16
19	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
20	along with this program; if not, write to the Free Software	18	along with gvpe; if not, write to the Free Software
21	Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA	19	Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22	*/	20	*/
23		21
24	#include "config.h"	22	#include "config.h"
25		23
31	#include <netdb.h>	29	#include <netdb.h>
32	#include <sys/stat.h>	30	#include <sys/stat.h>
33	#include <sys/types.h>	31	#include <sys/types.h>
34	#include <unistd.h>	32	#include <unistd.h>
35		33
		34	#include "netcompat.h"
		35
36	#include <openssl/err.h>	36	#include <openssl/err.h>
37	#include <openssl/pem.h>	37	#include <openssl/pem.h>
38	#include <openssl/rsa.h>	38	#include <openssl/rsa.h>
39	#include <openssl/rand.h>	39	#include <openssl/rand.h>
		40	#include <openssl/bn.h>
40		41
41	#include "gettext.h"	42	#include "gettext.h"
42		43
43	#include "conf.h"	44	#include "conf.h"
44	#include "slog.h"	45	#include "slog.h"
45	#include "util.h"	46	#include "util.h"
46		47
47	char *confbase;	48	char *confbase;
48	char *thisnode;	49	char *thisnode;
49	char *identname;	50	char *identname;
50	char *pidfilename;
51		51
52	struct configuration conf;	52	struct configuration conf;
53		53
54	configuration::configuration ()	54	u8 best_protocol (u8 protset)
55	{	55	{
56	init ();	56	if (protset & PROT_IPv4 ) return PROT_IPv4;
57	}	57	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
		58	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
		59	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		60	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
58		61
59	configuration::~configuration ()
60	{
61	cleanup ();
62	}
63
64	void configuration::init ()
65	{
66	memset (this, 0, sizeof (*this));
67
68	rekey = DEFAULT_REKEY;
69	keepalive = DEFAULT_KEEPALIVE;
70	llevel = L_INFO;
71
72	default_node.port = DEFAULT_PORT;
73	default_node.connectmode = conf_node::C_ALWAYS;
74	default_node.compress = true;
75	}
76
77	void configuration::cleanup()
78	{
79	if (rsa_key)
80	RSA_free (rsa_key);
81
82	free (ifname);
83
84	rsa_key = 0;
85	ifname = 0;
86	}
87
88	void
89	configuration::clear_config ()
90	{
91	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
92	delete *i;
93
94	nodes.clear ();
95
96	cleanup ();
97	init ();
98	}
99
100	void configuration::read_config (bool need_keys)
101	{
102	char *fname;
103	FILE *f;
104
105	clear_config ();
106
107	asprintf (&fname, "%s/vped.conf", confbase);
108	f = fopen (fname, "r");
109
110	if (f)
111	{
112	char line[16384];
113	int lineno = 0;
114	char var, val;
115	conf_node *node = &default_node;
116
117	while (fgets (line, sizeof (line), f))
118	{
119	lineno++;
120
121	{
122	char *end = line + strlen (line);
123
124	while (*end < ' ' && end >= line)
125	end--;
126
127	*++end = 0;
128	}
129
130	char *tok = line;
131
132	retry:
133	var = strtok (tok, "\t =");
134	tok = 0;
135
136	if (!var \|\| !var[0])
137	continue; /* no tokens on this line */
138
139	if (var[0] == '#')
140	continue; /* comment: ignore */
141
142	val = strtok (NULL, "\t\n\r =");
143
144	if (!val \|\| val[0] == '#')
145	{
146	slog (L_WARN,
147	_("no value for variable `%s', at '%s' line %d"),
148	var, fname, lineno);
149	break;
150	}
151
152	if (!strcmp (var, "on"))
153	{
154	if (!::thisnode
155	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
156	\|\| !strcmp (val, ::thisnode))
157	goto retry;
158
159	continue;
160	}
161
162	// truly global
163	if (!strcmp (var, "loglevel"))
164	{
165	loglevel l = string_to_loglevel (val);
166
167	if (l != L_NONE)
168	llevel = l;
169	else
170	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
171	}
172
173	// per config
174	else if (!strcmp (var, "node"))
175	{
176	default_node.id++;
177
178	node = new conf_node (default_node);
179
180	nodes.push_back (node);
181
182	node->nodename = strdup (val);
183
184	{
185	char *fname;
186	FILE *f;
187
188	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
189
190	f = fopen (fname, "r");
191	if (f)
192	{
193	node->rsa_key = RSA_new ();
194
195	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
196	{
197	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
198	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
199	exit (1);
200	}
201
202	RSA_blinding_on (node->rsa_key, 0);
203
204	fclose (f);
205	}
206	else
207	{
208	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
209
210	if (need_keys)
211	exit (1);
212	}
213
214	free (fname);
215	}
216
217	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
218	thisnode = node;
219	}
220	else if (!strcmp (var, "private-key"))
221	prikeyfile = strdup (val);
222	else if (!strcmp (var, "ifpersist"))
223	{
224	if (!strcmp (val, "yes"))
225	ifpersist = true;
226	else if (!strcmp (val, "no"))
227	ifpersist = false;
228	else
229	slog (L_WARN,
230	_("illegal value for 'ifpersist', only 'yes' or 'no' allowed, at '%s' line %d"),
231	var, fname, lineno);
232	}
233	else if (!strcmp (var, "ifname"))
234	ifname = strdup (val);
235	else if (!strcmp (var, "rekey"))
236	rekey = atoi (val);
237	else if (!strcmp (var, "keepalive"))
238	keepalive = atoi (val);
239	else if (!strcmp (var, "mtu"))
240	mtu = atoi (val);
241	else if (!strcmp (var, "if-up"))
242	script_if_up = strdup (val);
243	else if (!strcmp (var, "node-up"))
244	script_node_up = strdup (val);
245	else if (!strcmp (var, "node-down"))
246	script_node_down = strdup (val);
247
248	/* node-specific, non-defaultable */
249	else if (node != &default_node && !strcmp (var, "hostname"))
250	{
251	free (node->hostname);
252	node->hostname = strdup (val);
253	}
254
255	/* node-specific, defaultable */
256	else if (!strcmp (var, "port"))
257	node->port = atoi (val);
258	else if (!strcmp (var, "router-priority"))
259	node->routerprio = atoi (val);
260	else if (!strcmp (var, "connect"))
261	{
262	if (!strcmp (val, "ondemand"))
263	node->connectmode = conf_node::C_ONDEMAND;
264	else if (!strcmp (val, "never"))
265	node->connectmode = conf_node::C_NEVER;
266	else if (!strcmp (val, "always"))
267	node->connectmode = conf_node::C_ALWAYS;
268	else
269	slog (L_WARN,
270	_("illegal value for 'connectmode', use one of 'ondemand', 'never' or 'always', at '%s' line %d"),
271	var, fname, lineno);
272	}
273	else if (!strcmp (var, "compress"))
274	{
275	if (!strcmp (val, "yes"))
276	node->compress = true;
277	else if (!strcmp (val, "no"))
278	node->compress = false;
279	else
280	slog (L_WARN,
281	_("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"),
282	var, fname, lineno);
283	}
284
285	// unknown or misplaced
286	else
287	{
288	slog (L_WARN,
289	_("unknown or misplaced variable `%s', at '%s' line %d"),
290	var, fname, lineno);
291	}
292	}
293
294	fclose (f);
295	}
296	else
297	{
298	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
299	exit (1);
300	}
301
302	free (fname);
303
304	fname = config_filename (prikeyfile, "hostkey");
305
306	f = fopen (fname, "r");
307	if (f)
308	{
309	rsa_key = RSA_new ();
310
311	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
312	{
313	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
314	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
315	exit (1);
316	}
317
318	RSA_blinding_on (rsa_key, 0);
319
320	fclose (f);
321	}
322	else
323	{
324	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
325
326	if (need_keys)
327	exit (1);
328	}
329
330	free (fname);
331	}
332
333	char configuration::config_filename (const char name, const char *dflt)
334	{
335	char *fname;
336
337	asprintf (&fname, name ? name : dflt, ::thisnode);
338
339	if (!ABSOLUTE_PATH (fname))
340	{
341	char *rname = fname;
342	asprintf (&fname, "%s/%s", confbase, rname);
343	free (rname);
344	}
345
346	return fname;	62	return 0;
347	}	63	}
348		64
349	void	65	const char *strprotocol (u8 protocol)
350	configuration::print ()
351	{	66	{
352	printf (_("\nConfiguration\n\n"));	67	if (protocol & PROT_IPv4 ) return "rawip";
353	printf (_("# of nodes: %d\n"), nodes.size ());	68	if (protocol & PROT_ICMPv4) return "icmp";
354	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");	69	if (protocol & PROT_UDPv4 ) return "udp";
355	printf (_("MTU: %d\n"), mtu);	70	if (protocol & PROT_TCPv4 ) return "tcp";
356	printf (_("rekeying interval: %d\n"), rekey);	71	if (protocol & PROT_DNSv4 ) return "dns";
357	printf (_("keepalive interval: %d\n"), keepalive);
358	printf (_("interface: %s\n"), ifname);
359	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
360	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
361	printf ("\n");
362		72
363	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	73	return "<unknown>";
364	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
365
366	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
367	(*i)->print ();
368
369	printf ("\n");
370	}	74	}
371		75
372	void	76	void
373	conf_node::print ()	77	conf_node::print ()
374	{	78	{
…		…
380	connectmode == C_NEVER ? "never" :	84	connectmode == C_NEVER ? "never" :
381	connectmode == C_ALWAYS ? "always" : "",	85	connectmode == C_ALWAYS ? "always" : "",
382	nodename,	86	nodename,
383	hostname ? hostname : "",	87	hostname ? hostname : "",
384	hostname ? ":" : "",	88	hostname ? ":" : "",
385	hostname ? port : 0	89	hostname ? udp_port : 0
386	);	90	);
387	}	91	}
388		92
		93	conf_node::~conf_node ()
		94	{
		95	if (rsa_key)
		96	RSA_free (rsa_key);
		97
		98	free (nodename);
		99	free (hostname);
		100	#if ENABLE_DNS
		101	free (domain);
		102	free (dns_hostname);
		103	#endif
		104	}
		105
		106	void configuration::init ()
		107	{
		108	memset (this, 0, sizeof (*this));
		109
		110	mtu = DEFAULT_MTU;
		111	rekey = DEFAULT_REKEY;
		112	keepalive = DEFAULT_KEEPALIVE;
		113	llevel = L_INFO;
		114	ip_proto = IPPROTO_GRE;
		115	#if ENABLE_ICMP
		116	icmp_type = ICMP_ECHOREPLY;
		117	#endif
		118
		119	default_node.udp_port = DEFAULT_UDPPORT;
		120	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
		121	default_node.connectmode = conf_node::C_ALWAYS;
		122	default_node.compress = true;
		123	default_node.protocols = 0;
		124	default_node.max_retry = DEFAULT_MAX_RETRY;
		125
		126	#if ENABLE_DNS
		127	default_node.dns_port = 0; // default is 0 == client
		128	dns_forw_host = strdup ("127.0.0.1");
		129	dns_forw_port = 53;
		130	#endif
		131
		132	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
		133	}
		134
		135	void configuration::cleanup()
		136	{
		137	if (rsa_key)
		138	RSA_free (rsa_key);
		139
		140	rsa_key = 0;
		141
		142	free (pidfilename); pidfilename = 0;
		143	free (ifname); ifname = 0;
		144	#if ENABLE_HTTP_PROXY
		145	free (proxy_host); proxy_host = 0;
		146	free (proxy_auth); proxy_auth = 0;
		147	#endif
		148	#if ENABLE_DNS
		149	free (dns_forw_host); dns_forw_host = 0;
		150	#endif
		151	}
		152
		153	void
		154	configuration::clear_config ()
		155	{
		156	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
		157	delete *i;
		158
		159	nodes.clear ();
		160
		161	cleanup ();
		162	init ();
		163	}
		164
		165	#define parse_bool(target,name,trueval,falseval) \
		166	if (!strcmp (val, "yes")) target = trueval; \
		167	else if (!strcmp (val, "no")) target = falseval; \
		168	else if (!strcmp (val, "true")) target = trueval; \
		169	else if (!strcmp (val, "false")) target = falseval; \
		170	else if (!strcmp (val, "on")) target = trueval; \
		171	else if (!strcmp (val, "off")) target = falseval; \
		172	else \
		173	slog (L_WARN, \
		174	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \
		175	name, var, fname, lineno);
		176
		177	void configuration::read_config (bool need_keys)
		178	{
		179	char *fname;
		180	FILE *f;
		181
		182	clear_config ();
		183
		184	asprintf (&fname, "%s/gvpe.conf", confbase);
		185	f = fopen (fname, "r");
		186
		187	if (f)
		188	{
		189	char line[16384];
		190	int lineno = 0;
		191	char var, val;
		192	conf_node *node = &default_node;
		193
		194	while (fgets (line, sizeof (line), f))
		195	{
		196	lineno++;
		197
		198	{
		199	char *end = line + strlen (line);
		200
		201	while (*end < ' ' && end >= line)
		202	end--;
		203
		204	*++end = 0;
		205	}
		206
		207	char *tok = line;
		208
		209	retry:
		210	var = strtok (tok, "\t =");
		211	tok = 0;
		212
		213	if (!var \|\| !var[0])
		214	continue; /* no tokens on this line */
		215
		216	if (var[0] == '#')
		217	continue; /* comment: ignore */
		218
		219	val = strtok (NULL, "\t\n\r =");
		220
		221	if (!val \|\| val[0] == '#')
		222	{
		223	slog (L_WARN,
		224	_("no value for variable `%s', at '%s' line %d"),
		225	var, fname, lineno);
		226	break;
		227	}
		228
		229	if (!strcmp (var, "on"))
		230	{
		231	if (!::thisnode
		232	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		233	\|\| !strcmp (val, ::thisnode))
		234	goto retry;
		235
		236	continue;
		237	}
		238
		239	// truly global
		240	if (!strcmp (var, "loglevel"))
		241	{
		242	loglevel l = string_to_loglevel (val);
		243
		244	if (l != L_NONE)
		245	llevel = l;
		246	else
		247	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
		248	}
		249	else if (!strcmp (var, "ip-proto"))
		250	ip_proto = atoi (val);
		251	else if (!strcmp (var, "icmp-type"))
		252	{
		253	#if ENABLE_ICMP
		254	icmp_type = atoi (val);
		255	#endif
		256	}
		257
		258	// per config
		259	else if (!strcmp (var, "node"))
		260	{
		261	default_node.id++;
		262
		263	node = new conf_node (default_node);
		264
		265	nodes.push_back (node);
		266
		267	node->nodename = strdup (val);
		268
		269	{
		270	char *fname;
		271	FILE *f;
		272
		273	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
		274
		275	f = fopen (fname, "r");
		276	if (f)
		277	{
		278	node->rsa_key = RSA_new ();
		279
		280	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		281	{
		282	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		283	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		284	exit (EXIT_FAILURE);
		285	}
		286
		287	require (RSA_blinding_on (node->rsa_key, 0));
		288
		289	fclose (f);
		290	}
		291	else
		292	{
		293	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		294
		295	if (need_keys)
		296	exit (EXIT_FAILURE);
		297	}
		298
		299	free (fname);
		300	}
		301
		302	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		303	thisnode = node;
		304	}
		305	else if (!strcmp (var, "private-key"))
		306	free (prikeyfile), prikeyfile = strdup (val);
		307	else if (!strcmp (var, "ifpersist"))
		308	{
		309	parse_bool (ifpersist, "ifpersist", true, false);
		310	}
		311	else if (!strcmp (var, "ifname"))
		312	free (ifname), ifname = strdup (val);
		313	else if (!strcmp (var, "rekey"))
		314	rekey = atoi (val);
		315	else if (!strcmp (var, "keepalive"))
		316	keepalive = atoi (val);
		317	else if (!strcmp (var, "mtu"))
		318	mtu = atoi (val);
		319	else if (!strcmp (var, "if-up"))
		320	free (script_if_up), script_if_up = strdup (val);
		321	else if (!strcmp (var, "node-up"))
		322	free (script_node_up), script_node_up = strdup (val);
		323	else if (!strcmp (var, "node-down"))
		324	free (script_node_down), script_node_down = strdup (val);
		325	else if (!strcmp (var, "pid-file"))
		326	free (pidfilename), pidfilename = strdup (val);
		327	else if (!strcmp (var, "dns-forw-host"))
		328	{
		329	#if ENABLE_DNS
		330	free (dns_forw_host), dns_forw_host = strdup (val);
		331	#endif
		332	}
		333	else if (!strcmp (var, "dns-forw-port"))
		334	{
		335	#if ENABLE_DNS
		336	dns_forw_port = atoi (val);
		337	#endif
		338	}
		339	else if (!strcmp (var, "http-proxy-host"))
		340	{
		341	#if ENABLE_HTTP_PROXY
		342	free (proxy_host), proxy_host = strdup (val);
		343	#endif
		344	}
		345	else if (!strcmp (var, "http-proxy-port"))
		346	{
		347	#if ENABLE_HTTP_PROXY
		348	proxy_port = atoi (val);
		349	#endif
		350	}
		351	else if (!strcmp (var, "http-proxy-auth"))
		352	{
		353	#if ENABLE_HTTP_PROXY
		354	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		355	#endif
		356	}
		357
		358	/* node-specific, non-defaultable */
		359	else if (node != &default_node && !strcmp (var, "hostname"))
		360	free (node->hostname), node->hostname = strdup (val);
		361
		362	/* node-specific, defaultable */
		363	else if (!strcmp (var, "udp-port"))
		364	node->udp_port = atoi (val);
		365	else if (!strcmp (var, "tcp-port"))
		366	node->tcp_port = atoi (val);
		367	else if (!strcmp (var, "dns-hostname"))
		368	{
		369	#if ENABLE_DNS
		370	free (node->dns_hostname), node->dns_hostname = strdup (val);
		371	#endif
		372	}
		373	else if (!strcmp (var, "dns-port"))
		374	{
		375	#if ENABLE_DNS
		376	node->dns_port = atoi (val);
		377	#endif
		378	}
		379	else if (!strcmp (var, "dns-domain"))
		380	{
		381	#if ENABLE_DNS
		382	free (node->domain), node->domain = strdup (val);
		383	#endif
		384	}
		385	else if (!strcmp (var, "router-priority"))
		386	node->routerprio = atoi (val);
		387	else if (!strcmp (var, "max-retry"))
		388	node->max_retry = atoi (val);
		389	else if (!strcmp (var, "connect"))
		390	{
		391	if (!strcmp (val, "ondemand"))
		392	node->connectmode = conf_node::C_ONDEMAND;
		393	else if (!strcmp (val, "never"))
		394	node->connectmode = conf_node::C_NEVER;
		395	else if (!strcmp (val, "always"))
		396	node->connectmode = conf_node::C_ALWAYS;
		397	else if (!strcmp (val, "disabled"))
		398	node->connectmode = conf_node::C_DISABLED;
		399	else
		400	slog (L_WARN,
		401	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
		402	var, fname, lineno);
		403	}
		404	else if (!strcmp (var, "inherit-tos"))
		405	{
		406	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		407	}
		408	else if (!strcmp (var, "compress"))
		409	{
		410	parse_bool (node->compress, "compress", true, false);
		411	}
		412	// all these bool options really really cost a lot of executable size!
		413	else if (!strcmp (var, "enable-tcp"))
		414	{
		415	#if ENABLE_TCP
		416	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		417	#endif
		418	}
		419	else if (!strcmp (var, "enable-icmp"))
		420	{
		421	#if ENABLE_ICMP
		422	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		423	#endif
		424	}
		425	else if (!strcmp (var, "enable-dns"))
		426	{
		427	#if ENABLE_DNS
		428	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		429	#endif
		430	}
		431	else if (!strcmp (var, "enable-udp"))
		432	{
		433	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		434	}
		435	else if (!strcmp (var, "enable-rawip"))
		436	{
		437	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		438	}
		439
		440	// unknown or misplaced
		441	else
		442	slog (L_WARN,
		443	_("unknown or misplaced variable `%s', at '%s' line %d"),
		444	var, fname, lineno);
		445	}
		446
		447	fclose (f);
		448	}
		449	else
		450	{
		451	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
		452	exit (EXIT_FAILURE);
		453	}
		454
		455	free (fname);
		456
		457	fname = config_filename (prikeyfile, "hostkey");
		458
		459	f = fopen (fname, "r");
		460	if (f)
		461	{
		462	rsa_key = RSA_new ();
		463
		464	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
		465	{
		466	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		467	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		468	exit (EXIT_FAILURE);
		469	}
		470
		471	require (RSA_blinding_on (rsa_key, 0));
		472
		473	fclose (f);
		474	}
		475	else
		476	{
		477	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
		478
		479	if (need_keys)
		480	exit (EXIT_FAILURE);
		481	}
		482
		483	if (need_keys && ::thisnode
		484	&& rsa_key && thisnode && thisnode->rsa_key)
		485	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0
		486	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)
		487	{
		488	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		489	exit (EXIT_FAILURE);
		490	}
		491
		492	free (fname);
		493	}
		494
		495	char configuration::config_filename (const char name, const char *dflt)
		496	{
		497	char *fname;
		498
		499	asprintf (&fname, name ? name : dflt, ::thisnode);
		500
		501	if (!ABSOLUTE_PATH (fname))
		502	{
		503	char *rname = fname;
		504	asprintf (&fname, "%s/%s", confbase, rname);
		505	free (rname);
		506	}
		507
		508	return fname;
		509	}
		510
		511	void
		512	configuration::print ()
		513	{
		514	printf (_("\nConfiguration\n\n"));
		515	printf (_("# of nodes: %d\n"), nodes.size ());
		516	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
		517	printf (_("MTU: %d\n"), mtu);
		518	printf (_("rekeying interval: %d\n"), rekey);
		519	printf (_("keepalive interval: %d\n"), keepalive);
		520	printf (_("interface: %s\n"), ifname);
		521	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
		522	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
		523	printf ("\n");
		524
		525	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
		526	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
		527
		528	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
		529	(*i)->print ();
		530
		531	printf ("\n");
		532	}
		533
		534	configuration::configuration ()
		535	{
		536	asprintf (&confbase, "%s/gvpe", CONFDIR);
		537
		538	init ();
		539	}
		540
		541	configuration::~configuration ()
		542	{
		543	cleanup ();
		544	}
		545
		546

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing gvpe/src/conf.C (file contents): Revision 1.2 by pcg, Thu Mar 6 18:43:07 2003 UTC vs. Revision 1.34 by pcg, Thu Mar 17 23:59:37 2005 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.2 by pcg, Thu Mar 6 18:43:07 2003 UTC vs.
Revision 1.34 by pcg, Thu Mar 17 23:59:37 2005 UTC