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

Comparing gvpe/src/conf.C (file contents):
Revision 1.10 by pcg, Wed Apr 2 21:02:25 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
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	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
319	}
320	else if (!strcmp (var, "enable-udp"))
321	{
322	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
323	}
324	else if (!strcmp (var, "enable-rawip"))
325	{
326	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
327	}
328
329	// unknown or misplaced
330	else
331	{
332	slog (L_WARN,
333	_("unknown or misplaced variable `%s', at '%s' line %d"),
334	var, fname, lineno);
335	}
336	}
337
338	fclose (f);
339	}
340	else
341	{
342	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
343	exit (1);
344	}
345
346	free (fname);
347
348	fname = config_filename (prikeyfile, "hostkey");
349
350	f = fopen (fname, "r");
351	if (f)
352	{
353	rsa_key = RSA_new ();
354
355	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
356	{
357	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
358	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
359	exit (1);
360	}
361
362	RSA_blinding_on (rsa_key, 0);
363
364	fclose (f);
365	}
366	else
367	{
368	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
369
370	if (need_keys)
371	exit (1);
372	}
373
374	free (fname);
375	}
376
377	char configuration::config_filename (const char name, const char *dflt)
378	{
379	char *fname;
380
381	asprintf (&fname, name ? name : dflt, ::thisnode);
382
383	if (!ABSOLUTE_PATH (fname))
384	{
385	char *rname = fname;
386	asprintf (&fname, "%s/%s", confbase, rname);
387	free (rname);
388	}
389
390	return fname;
391	}
392
393	void
394	configuration::print ()
395	{
396	printf (_("\nConfiguration\n\n"));
397	printf (_("# of nodes: %d\n"), nodes.size ());
398	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
399	printf (_("MTU: %d\n"), mtu);
400	printf (_("rekeying interval: %d\n"), rekey);
401	printf (_("keepalive interval: %d\n"), keepalive);
402	printf (_("interface: %s\n"), ifname);
403	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
404	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
405	printf ("\n");
406
407	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
408	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
409
410	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
411	(*i)->print ();
412
413	printf ("\n");
414	}	74	}
415		75
416	void	76	void
417	conf_node::print ()	77	conf_node::print ()
418	{	78	{
…		…
428	hostname ? ":" : "",	88	hostname ? ":" : "",
429	hostname ? udp_port : 0	89	hostname ? udp_port : 0
430	);	90	);
431	}	91	}
432		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

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Comparing gvpe/src/conf.C (file contents): Revision 1.10 by pcg, Wed Apr 2 21:02:25 2003 UTC vs. Revision 1.34 by pcg, Thu Mar 17 23:59:37 2005 UTC

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Comparing gvpe/src/conf.C (file contents):
Revision 1.10 by pcg, Wed Apr 2 21:02:25 2003 UTC vs.
Revision 1.34 by pcg, Thu Mar 17 23:59:37 2005 UTC