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

Comparing gvpe/src/conf.C (file contents):
Revision 1.11 by pcg, Wed Apr 2 21:43:44 2003 UTC vs.
Revision 1.33 by pcg, Sun Mar 6 18:34:46 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
36	#include <netinet/in.h>	34	#include "netcompat.h"
37		35
38	#include <openssl/err.h>	36	#include <openssl/err.h>
39	#include <openssl/pem.h>	37	#include <openssl/pem.h>
40	#include <openssl/rsa.h>	38	#include <openssl/rsa.h>
41	#include <openssl/rand.h>	39	#include <openssl/rand.h>
		40	#include <openssl/bn.h>
42		41
43	#include "gettext.h"	42	#include "gettext.h"
44		43
45	#include "conf.h"	44	#include "conf.h"
46	#include "slog.h"	45	#include "slog.h"
47	#include "util.h"	46	#include "util.h"
48		47
49	char *confbase;	48	char *confbase;
50	char *thisnode;	49	char *thisnode;
51	char *identname;	50	char *identname;
52	char *pidfilename;
53		51
54	struct configuration conf;	52	struct configuration conf;
55		53
56	u8 best_protocol (u8 protset)	54	u8 best_protocol (u8 protset)
57	{	55	{
58	if (protset & PROT_IPv4 ) return PROT_IPv4;	56	if (protset & PROT_IPv4 ) return PROT_IPv4;
		57	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
59	if (protset & PROT_UDPv4) return PROT_UDPv4;	58	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
60	if (protset & PROT_TCPv4) return PROT_TCPv4;	59	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		60	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
61		61
62	return 0;	62	return 0;
63	}	63	}
64		64
65	const char *strprotocol (u8 protocol)	65	const char *strprotocol (u8 protocol)
66	{	66	{
67	if (protocol & PROT_IPv4 ) return "rawip";	67	if (protocol & PROT_IPv4 ) return "rawip";
		68	if (protocol & PROT_ICMPv4) return "icmp";
68	if (protocol & PROT_UDPv4) return "udp";	69	if (protocol & PROT_UDPv4 ) return "udp";
69	if (protocol & PROT_TCPv4) return "tcp";	70	if (protocol & PROT_TCPv4 ) return "tcp";
		71	if (protocol & PROT_DNSv4 ) return "dns";
70		72
71	return "<unknown>";	73	return "<unknown>";
72	}
73
74	configuration::configuration ()
75	{
76	init ();
77	}
78
79	configuration::~configuration ()
80	{
81	cleanup ();
82	}
83
84	void configuration::init ()
85	{
86	memset (this, 0, sizeof (*this));
87
88	rekey = DEFAULT_REKEY;
89	keepalive = DEFAULT_KEEPALIVE;
90	llevel = L_INFO;
91	ip_proto = IPPROTO_GRE;
92
93	default_node.udp_port = DEFAULT_UDPPORT;
94	default_node.tcp_port = DEFAULT_UDPPORT;
95	default_node.connectmode = conf_node::C_ALWAYS;
96	default_node.compress = true;
97	default_node.protocols = PROT_UDPv4;
98	}
99
100	void configuration::cleanup()
101	{
102	if (rsa_key)
103	RSA_free (rsa_key);
104
105	free (ifname);
106
107	rsa_key = 0;
108	ifname = 0;
109	}
110
111	void
112	configuration::clear_config ()
113	{
114	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
115	delete *i;
116
117	nodes.clear ();
118
119	cleanup ();
120	init ();
121	}
122
123	#define parse_bool(target,name,trueval,falseval) \
124	if (!strcmp (val, "yes")) target = trueval; \
125	else if (!strcmp (val, "no")) target = falseval; \
126	else if (!strcmp (val, "true")) target = trueval; \
127	else if (!strcmp (val, "false")) target = falseval; \
128	else if (!strcmp (val, "on")) target = trueval; \
129	else if (!strcmp (val, "off")) target = falseval; \
130	else \
131	slog (L_WARN, \
132	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \
133	name, var, fname, lineno);
134
135	void configuration::read_config (bool need_keys)
136	{
137	char *fname;
138	FILE *f;
139
140	clear_config ();
141
142	asprintf (&fname, "%s/vped.conf", confbase);
143	f = fopen (fname, "r");
144
145	if (f)
146	{
147	char line[16384];
148	int lineno = 0;
149	char var, val;
150	conf_node *node = &default_node;
151
152	while (fgets (line, sizeof (line), f))
153	{
154	lineno++;
155
156	{
157	char *end = line + strlen (line);
158
159	while (*end < ' ' && end >= line)
160	end--;
161
162	*++end = 0;
163	}
164
165	char *tok = line;
166
167	retry:
168	var = strtok (tok, "\t =");
169	tok = 0;
170
171	if (!var \|\| !var[0])
172	continue; /* no tokens on this line */
173
174	if (var[0] == '#')
175	continue; /* comment: ignore */
176
177	val = strtok (NULL, "\t\n\r =");
178
179	if (!val \|\| val[0] == '#')
180	{
181	slog (L_WARN,
182	_("no value for variable `%s', at '%s' line %d"),
183	var, fname, lineno);
184	break;
185	}
186
187	if (!strcmp (var, "on"))
188	{
189	if (!::thisnode
190	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
191	\|\| !strcmp (val, ::thisnode))
192	goto retry;
193
194	continue;
195	}
196
197	// truly global
198	if (!strcmp (var, "loglevel"))
199	{
200	loglevel l = string_to_loglevel (val);
201
202	if (l != L_NONE)
203	llevel = l;
204	else
205	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
206	}
207	else if (!strcmp (var, "ip-proto"))
208	ip_proto = atoi (val);
209
210	// per config
211	else if (!strcmp (var, "node"))
212	{
213	default_node.id++;
214
215	node = new conf_node (default_node);
216
217	nodes.push_back (node);
218
219	node->nodename = strdup (val);
220
221	{
222	char *fname;
223	FILE *f;
224
225	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
226
227	f = fopen (fname, "r");
228	if (f)
229	{
230	node->rsa_key = RSA_new ();
231
232	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
233	{
234	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
235	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
236	exit (1);
237	}
238
239	RSA_blinding_on (node->rsa_key, 0);
240
241	fclose (f);
242	}
243	else
244	{
245	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
246
247	if (need_keys)
248	exit (1);
249	}
250
251	free (fname);
252	}
253
254	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
255	thisnode = node;
256	}
257	else if (!strcmp (var, "private-key"))
258	prikeyfile = strdup (val);
259	else if (!strcmp (var, "ifpersist"))
260	{
261	parse_bool (ifpersist, "ifpersist", true, false);
262	}
263	else if (!strcmp (var, "ifname"))
264	ifname = strdup (val);
265	else if (!strcmp (var, "rekey"))
266	rekey = atoi (val);
267	else if (!strcmp (var, "keepalive"))
268	keepalive = atoi (val);
269	else if (!strcmp (var, "mtu"))
270	mtu = atoi (val);
271	else if (!strcmp (var, "if-up"))
272	script_if_up = strdup (val);
273	else if (!strcmp (var, "node-up"))
274	script_node_up = strdup (val);
275	else if (!strcmp (var, "node-down"))
276	script_node_down = strdup (val);
277
278	/* node-specific, non-defaultable */
279	else if (node != &default_node && !strcmp (var, "hostname"))
280	{
281	free (node->hostname);
282	node->hostname = strdup (val);
283	}
284
285	/* node-specific, defaultable */
286	else if (!strcmp (var, "udp-port"))
287	node->udp_port = atoi (val);
288	else if (!strcmp (var, "tcp-port"))
289	node->tcp_port = atoi (val);
290	else if (!strcmp (var, "router-priority"))
291	node->routerprio = atoi (val);
292	else if (!strcmp (var, "connect"))
293	{
294	if (!strcmp (val, "ondemand"))
295	node->connectmode = conf_node::C_ONDEMAND;
296	else if (!strcmp (val, "never"))
297	node->connectmode = conf_node::C_NEVER;
298	else if (!strcmp (val, "always"))
299	node->connectmode = conf_node::C_ALWAYS;
300	else if (!strcmp (val, "disabled"))
301	node->connectmode = conf_node::C_DISABLED;
302	else
303	slog (L_WARN,
304	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
305	var, fname, lineno);
306	}
307	else if (!strcmp (var, "inherit-tos"))
308	{
309	parse_bool (node->inherit_tos, "inherit-tos", true, false);
310	}
311	else if (!strcmp (var, "compress"))
312	{
313	parse_bool (node->compress, "compress", true, false);
314	}
315	// all these bool options really really cost a lot of executable size!
316	else if (!strcmp (var, "enable-tcp"))
317	{
318	#if ENABLE_TCP
319	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
320	#endif
321	}
322	else if (!strcmp (var, "enable-udp"))
323	{
324	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
325	}
326	else if (!strcmp (var, "enable-rawip"))
327	{
328	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
329	}
330
331	// unknown or misplaced
332	else
333	{
334	slog (L_WARN,
335	_("unknown or misplaced variable `%s', at '%s' line %d"),
336	var, fname, lineno);
337	}
338	}
339
340	fclose (f);
341	}
342	else
343	{
344	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
345	exit (1);
346	}
347
348	free (fname);
349
350	fname = config_filename (prikeyfile, "hostkey");
351
352	f = fopen (fname, "r");
353	if (f)
354	{
355	rsa_key = RSA_new ();
356
357	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
358	{
359	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
360	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
361	exit (1);
362	}
363
364	RSA_blinding_on (rsa_key, 0);
365
366	fclose (f);
367	}
368	else
369	{
370	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
371
372	if (need_keys)
373	exit (1);
374	}
375
376	free (fname);
377	}
378
379	char configuration::config_filename (const char name, const char *dflt)
380	{
381	char *fname;
382
383	asprintf (&fname, name ? name : dflt, ::thisnode);
384
385	if (!ABSOLUTE_PATH (fname))
386	{
387	char *rname = fname;
388	asprintf (&fname, "%s/%s", confbase, rname);
389	free (rname);
390	}
391
392	return fname;
393	}
394
395	void
396	configuration::print ()
397	{
398	printf (_("\nConfiguration\n\n"));
399	printf (_("# of nodes: %d\n"), nodes.size ());
400	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
401	printf (_("MTU: %d\n"), mtu);
402	printf (_("rekeying interval: %d\n"), rekey);
403	printf (_("keepalive interval: %d\n"), keepalive);
404	printf (_("interface: %s\n"), ifname);
405	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
406	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
407	printf ("\n");
408
409	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
410	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
411
412	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
413	(*i)->print ();
414
415	printf ("\n");
416	}	74	}
417		75
418	void	76	void
419	conf_node::print ()	77	conf_node::print ()
420	{	78	{
…		…
430	hostname ? ":" : "",	88	hostname ? ":" : "",
431	hostname ? udp_port : 0	89	hostname ? udp_port : 0
432	);	90	);
433	}	91	}
434		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	#if ENABLE_DNS
		328	else if (!strcmp (var, "dns-forw-host"))
		329	free (dns_forw_host), dns_forw_host = strdup (val);
		330	else if (!strcmp (var, "dns-forw-port"))
		331	dns_forw_port = atoi (val);
		332	#endif
		333	else if (!strcmp (var, "http-proxy-host"))
		334	{
		335	#if ENABLE_HTTP_PROXY
		336	free (proxy_host), proxy_host = strdup (val);
		337	#endif
		338	}
		339	else if (!strcmp (var, "http-proxy-port"))
		340	{
		341	#if ENABLE_HTTP_PROXY
		342	proxy_port = atoi (val);
		343	#endif
		344	}
		345	else if (!strcmp (var, "http-proxy-auth"))
		346	{
		347	#if ENABLE_HTTP_PROXY
		348	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		349	#endif
		350	}
		351
		352	/* node-specific, non-defaultable */
		353	else if (node != &default_node && !strcmp (var, "hostname"))
		354	free (node->hostname), node->hostname = strdup (val);
		355
		356	/* node-specific, defaultable */
		357	else if (!strcmp (var, "udp-port"))
		358	node->udp_port = atoi (val);
		359	else if (!strcmp (var, "tcp-port"))
		360	node->tcp_port = atoi (val);
		361	#if ENABLE_DNS
		362	else if (!strcmp (var, "dns-hostname"))
		363	free (node->dns_hostname), node->dns_hostname = strdup (val);
		364	else if (!strcmp (var, "dns-port"))
		365	node->dns_port = atoi (val);
		366	else if (!strcmp (var, "dns-domain"))
		367	free (node->domain), node->domain = strdup (val);
		368	#endif
		369	else if (!strcmp (var, "router-priority"))
		370	node->routerprio = atoi (val);
		371	else if (!strcmp (var, "max-retry"))
		372	node->max_retry = atoi (val);
		373	else if (!strcmp (var, "connect"))
		374	{
		375	if (!strcmp (val, "ondemand"))
		376	node->connectmode = conf_node::C_ONDEMAND;
		377	else if (!strcmp (val, "never"))
		378	node->connectmode = conf_node::C_NEVER;
		379	else if (!strcmp (val, "always"))
		380	node->connectmode = conf_node::C_ALWAYS;
		381	else if (!strcmp (val, "disabled"))
		382	node->connectmode = conf_node::C_DISABLED;
		383	else
		384	slog (L_WARN,
		385	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
		386	var, fname, lineno);
		387	}
		388	else if (!strcmp (var, "inherit-tos"))
		389	{
		390	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		391	}
		392	else if (!strcmp (var, "compress"))
		393	{
		394	parse_bool (node->compress, "compress", true, false);
		395	}
		396	// all these bool options really really cost a lot of executable size!
		397	else if (!strcmp (var, "enable-tcp"))
		398	{
		399	#if ENABLE_TCP
		400	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		401	#endif
		402	}
		403	else if (!strcmp (var, "enable-icmp"))
		404	{
		405	#if ENABLE_ICMP
		406	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		407	#endif
		408	}
		409	else if (!strcmp (var, "enable-dns"))
		410	{
		411	#if ENABLE_DNS
		412	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		413	#endif
		414	}
		415	else if (!strcmp (var, "enable-udp"))
		416	{
		417	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		418	}
		419	else if (!strcmp (var, "enable-rawip"))
		420	{
		421	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		422	}
		423
		424	// unknown or misplaced
		425	else
		426	slog (L_WARN,
		427	_("unknown or misplaced variable `%s', at '%s' line %d"),
		428	var, fname, lineno);
		429	}
		430
		431	fclose (f);
		432	}
		433	else
		434	{
		435	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
		436	exit (EXIT_FAILURE);
		437	}
		438
		439	free (fname);
		440
		441	fname = config_filename (prikeyfile, "hostkey");
		442
		443	f = fopen (fname, "r");
		444	if (f)
		445	{
		446	rsa_key = RSA_new ();
		447
		448	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
		449	{
		450	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		451	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		452	exit (EXIT_FAILURE);
		453	}
		454
		455	require (RSA_blinding_on (rsa_key, 0));
		456
		457	fclose (f);
		458	}
		459	else
		460	{
		461	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
		462
		463	if (need_keys)
		464	exit (EXIT_FAILURE);
		465	}
		466
		467	if (need_keys && ::thisnode
		468	&& rsa_key && thisnode && thisnode->rsa_key)
		469	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0
		470	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)
		471	{
		472	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		473	exit (EXIT_FAILURE);
		474	}
		475
		476	free (fname);
		477	}
		478
		479	char configuration::config_filename (const char name, const char *dflt)
		480	{
		481	char *fname;
		482
		483	asprintf (&fname, name ? name : dflt, ::thisnode);
		484
		485	if (!ABSOLUTE_PATH (fname))
		486	{
		487	char *rname = fname;
		488	asprintf (&fname, "%s/%s", confbase, rname);
		489	free (rname);
		490	}
		491
		492	return fname;
		493	}
		494
		495	void
		496	configuration::print ()
		497	{
		498	printf (_("\nConfiguration\n\n"));
		499	printf (_("# of nodes: %d\n"), nodes.size ());
		500	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
		501	printf (_("MTU: %d\n"), mtu);
		502	printf (_("rekeying interval: %d\n"), rekey);
		503	printf (_("keepalive interval: %d\n"), keepalive);
		504	printf (_("interface: %s\n"), ifname);
		505	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
		506	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
		507	printf ("\n");
		508
		509	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
		510	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
		511
		512	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
		513	(*i)->print ();
		514
		515	printf ("\n");
		516	}
		517
		518	configuration::configuration ()
		519	{
		520	asprintf (&confbase, "%s/gvpe", CONFDIR);
		521
		522	init ();
		523	}
		524
		525	configuration::~configuration ()
		526	{
		527	cleanup ();
		528	}
		529
		530

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Comparing gvpe/src/conf.C (file contents): Revision 1.11 by pcg, Wed Apr 2 21:43:44 2003 UTC vs. Revision 1.33 by pcg, Sun Mar 6 18:34:46 2005 UTC

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Comparing gvpe/src/conf.C (file contents):
Revision 1.11 by pcg, Wed Apr 2 21:43:44 2003 UTC vs.
Revision 1.33 by pcg, Sun Mar 6 18:34:46 2005 UTC