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

Comparing gvpe/src/conf.C (file contents):
Revision 1.8 by pcg, Wed Apr 2 03:25:17 2003 UTC vs.
Revision 1.38 by pcg, Wed Mar 23 17:03:58 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>
42		40	#include <openssl/bn.h>
43	#include "gettext.h"
44		41
45	#include "conf.h"	42	#include "conf.h"
46	#include "slog.h"	43	#include "slog.h"
47	#include "util.h"	44	#include "util.h"
48		45
49	char *confbase;	46	char *confbase;
50	char *thisnode;	47	char *thisnode;
51	char *identname;	48	char *identname;
52	char *pidfilename;
53		49
54	struct configuration conf;	50	struct configuration conf;
55		51
56	u8 best_protocol (u8 protset)	52	u8 best_protocol (u8 protset)
57	{	53	{
58	if (protset & PROT_IPv4)	54	if (protset & PROT_IPv4 ) return PROT_IPv4;
59	return PROT_IPv4;	55	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
		56	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
		57	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		58	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
60		59
61	return PROT_UDPv4;	60	return 0;
62	}	61	}
63		62
64	const char *strprotocol (u8 protocol)	63	const char *strprotocol (u8 protocol)
65	{	64	{
66	if (protocol & PROT_IPv4 ) return "rawip";	65	if (protocol & PROT_IPv4 ) return "rawip";
		66	if (protocol & PROT_ICMPv4) return "icmp";
67	if (protocol & PROT_UDPv4) return "udp";	67	if (protocol & PROT_UDPv4 ) return "udp";
		68	if (protocol & PROT_TCPv4 ) return "tcp";
		69	if (protocol & PROT_DNSv4 ) return "dns";
68		70
69	return "<unknown>";	71	return "<unknown>";
70	}
71
72	configuration::configuration ()
73	{
74	init ();
75	}
76
77	configuration::~configuration ()
78	{
79	cleanup ();
80	}
81
82	void configuration::init ()
83	{
84	memset (this, 0, sizeof (*this));
85
86	rekey = DEFAULT_REKEY;
87	keepalive = DEFAULT_KEEPALIVE;
88	llevel = L_INFO;
89	ip_proto = IPPROTO_GRE;
90
91	default_node.udp_port = DEFAULT_UDPPORT;
92	default_node.tcp_port = DEFAULT_UDPPORT;
93	default_node.connectmode = conf_node::C_ALWAYS;
94	default_node.compress = true;
95	default_node.protocols = PROT_UDPv4;
96	}
97
98	void configuration::cleanup()
99	{
100	if (rsa_key)
101	RSA_free (rsa_key);
102
103	free (ifname);
104
105	rsa_key = 0;
106	ifname = 0;
107	}
108
109	void
110	configuration::clear_config ()
111	{
112	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
113	delete *i;
114
115	nodes.clear ();
116
117	cleanup ();
118	init ();
119	}
120
121	#define parse_bool(target,name,trueval,falseval) \
122	if (!strcmp (val, "yes")) target = trueval; \
123	else if (!strcmp (val, "no")) target = falseval; \
124	else if (!strcmp (val, "true")) target = trueval; \
125	else if (!strcmp (val, "false")) target = falseval; \
126	else if (!strcmp (val, "on")) target = trueval; \
127	else if (!strcmp (val, "off")) target = falseval; \
128	else \
129	slog (L_WARN, \
130	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \
131	name, var, fname, lineno);
132
133	void configuration::read_config (bool need_keys)
134	{
135	char *fname;
136	FILE *f;
137
138	clear_config ();
139
140	asprintf (&fname, "%s/vped.conf", confbase);
141	f = fopen (fname, "r");
142
143	if (f)
144	{
145	char line[16384];
146	int lineno = 0;
147	char var, val;
148	conf_node *node = &default_node;
149
150	while (fgets (line, sizeof (line), f))
151	{
152	lineno++;
153
154	{
155	char *end = line + strlen (line);
156
157	while (*end < ' ' && end >= line)
158	end--;
159
160	*++end = 0;
161	}
162
163	char *tok = line;
164
165	retry:
166	var = strtok (tok, "\t =");
167	tok = 0;
168
169	if (!var \|\| !var[0])
170	continue; /* no tokens on this line */
171
172	if (var[0] == '#')
173	continue; /* comment: ignore */
174
175	val = strtok (NULL, "\t\n\r =");
176
177	if (!val \|\| val[0] == '#')
178	{
179	slog (L_WARN,
180	_("no value for variable `%s', at '%s' line %d"),
181	var, fname, lineno);
182	break;
183	}
184
185	if (!strcmp (var, "on"))
186	{
187	if (!::thisnode
188	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
189	\|\| !strcmp (val, ::thisnode))
190	goto retry;
191
192	continue;
193	}
194
195	// truly global
196	if (!strcmp (var, "loglevel"))
197	{
198	loglevel l = string_to_loglevel (val);
199
200	if (l != L_NONE)
201	llevel = l;
202	else
203	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
204	}
205	else if (!strcmp (var, "ip-proto"))
206	ip_proto = atoi (val);
207
208	// per config
209	else if (!strcmp (var, "node"))
210	{
211	default_node.id++;
212
213	node = new conf_node (default_node);
214
215	nodes.push_back (node);
216
217	node->nodename = strdup (val);
218
219	{
220	char *fname;
221	FILE *f;
222
223	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
224
225	f = fopen (fname, "r");
226	if (f)
227	{
228	node->rsa_key = RSA_new ();
229
230	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
231	{
232	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
233	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
234	exit (1);
235	}
236
237	RSA_blinding_on (node->rsa_key, 0);
238
239	fclose (f);
240	}
241	else
242	{
243	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
244
245	if (need_keys)
246	exit (1);
247	}
248
249	free (fname);
250	}
251
252	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
253	thisnode = node;
254	}
255	else if (!strcmp (var, "private-key"))
256	prikeyfile = strdup (val);
257	else if (!strcmp (var, "ifpersist"))
258	{
259	parse_bool (ifpersist, "ifpersist", true, false);
260	}
261	else if (!strcmp (var, "ifname"))
262	ifname = strdup (val);
263	else if (!strcmp (var, "rekey"))
264	rekey = atoi (val);
265	else if (!strcmp (var, "keepalive"))
266	keepalive = atoi (val);
267	else if (!strcmp (var, "mtu"))
268	mtu = atoi (val);
269	else if (!strcmp (var, "if-up"))
270	script_if_up = strdup (val);
271	else if (!strcmp (var, "node-up"))
272	script_node_up = strdup (val);
273	else if (!strcmp (var, "node-down"))
274	script_node_down = strdup (val);
275
276	/* node-specific, non-defaultable */
277	else if (node != &default_node && !strcmp (var, "hostname"))
278	{
279	free (node->hostname);
280	node->hostname = strdup (val);
281	}
282
283	/* node-specific, defaultable */
284	else if (!strcmp (var, "udp-port"))
285	node->udp_port = atoi (val);
286	else if (!strcmp (var, "tcp-port"))
287	node->tcp_port = atoi (val);
288	else if (!strcmp (var, "router-priority"))
289	node->routerprio = atoi (val);
290	else if (!strcmp (var, "connect"))
291	{
292	if (!strcmp (val, "ondemand"))
293	node->connectmode = conf_node::C_ONDEMAND;
294	else if (!strcmp (val, "never"))
295	node->connectmode = conf_node::C_NEVER;
296	else if (!strcmp (val, "always"))
297	node->connectmode = conf_node::C_ALWAYS;
298	else if (!strcmp (val, "disabled"))
299	node->connectmode = conf_node::C_DISABLED;
300	else
301	slog (L_WARN,
302	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
303	var, fname, lineno);
304	}
305	else if (!strcmp (var, "inherit-tos"))
306	{
307	parse_bool (node->inherit_tos, "inherit-tos", true, false);
308	}
309	else if (!strcmp (var, "compress"))
310	{
311	parse_bool (node->compress, "compress", true, false);
312	}
313	// all these bool options really really cost a lot of executable size!
314	else if (!strcmp (var, "enable-tcp"))
315	{
316	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
317	}
318	else if (!strcmp (var, "enable-udp"))
319	{
320	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
321	}
322	else if (!strcmp (var, "enable-rawip"))
323	{
324	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
325	}
326
327	// unknown or misplaced
328	else
329	{
330	slog (L_WARN,
331	_("unknown or misplaced variable `%s', at '%s' line %d"),
332	var, fname, lineno);
333	}
334	}
335
336	fclose (f);
337	}
338	else
339	{
340	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
341	exit (1);
342	}
343
344	free (fname);
345
346	fname = config_filename (prikeyfile, "hostkey");
347
348	f = fopen (fname, "r");
349	if (f)
350	{
351	rsa_key = RSA_new ();
352
353	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
354	{
355	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
356	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
357	exit (1);
358	}
359
360	RSA_blinding_on (rsa_key, 0);
361
362	fclose (f);
363	}
364	else
365	{
366	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
367
368	if (need_keys)
369	exit (1);
370	}
371
372	free (fname);
373	}
374
375	char configuration::config_filename (const char name, const char *dflt)
376	{
377	char *fname;
378
379	asprintf (&fname, name ? name : dflt, ::thisnode);
380
381	if (!ABSOLUTE_PATH (fname))
382	{
383	char *rname = fname;
384	asprintf (&fname, "%s/%s", confbase, rname);
385	free (rname);
386	}
387
388	return fname;
389	}
390
391	void
392	configuration::print ()
393	{
394	printf (_("\nConfiguration\n\n"));
395	printf (_("# of nodes: %d\n"), nodes.size ());
396	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
397	printf (_("MTU: %d\n"), mtu);
398	printf (_("rekeying interval: %d\n"), rekey);
399	printf (_("keepalive interval: %d\n"), keepalive);
400	printf (_("interface: %s\n"), ifname);
401	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
402	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
403	printf ("\n");
404
405	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
406	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
407
408	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
409	(*i)->print ();
410
411	printf ("\n");
412	}	72	}
413		73
414	void	74	void
415	conf_node::print ()	75	conf_node::print ()
416	{	76	{
…		…
426	hostname ? ":" : "",	86	hostname ? ":" : "",
427	hostname ? udp_port : 0	87	hostname ? udp_port : 0
428	);	88	);
429	}	89	}
430		90
		91	conf_node::~conf_node ()
		92	{
		93	if (rsa_key)
		94	RSA_free (rsa_key);
		95
		96	free (nodename);
		97	free (hostname);
		98	#if ENABLE_DNS
		99	free (domain);
		100	free (dns_hostname);
		101	#endif
		102	}
		103
		104	void configuration::init ()
		105	{
		106	memset (this, 0, sizeof (*this));
		107
		108	mtu = DEFAULT_MTU;
		109	rekey = DEFAULT_REKEY;
		110	keepalive = DEFAULT_KEEPALIVE;
		111	llevel = L_INFO;
		112	ip_proto = IPPROTO_GRE;
		113	#if ENABLE_ICMP
		114	icmp_type = ICMP_ECHOREPLY;
		115	#endif
		116
		117	default_node.udp_port = DEFAULT_UDPPORT;
		118	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
		119	default_node.connectmode = conf_node::C_ALWAYS;
		120	default_node.compress = true;
		121	default_node.protocols = 0;
		122	default_node.max_retry = DEFAULT_MAX_RETRY;
		123
		124	#if ENABLE_DNS
		125	default_node.dns_port = 0; // default is 0 == client
		126
		127	dns_forw_host = strdup ("127.0.0.1");
		128	dns_forw_port = 53;
		129	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
		130	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
		131	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
		132	dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
		133	#endif
		134
		135	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
		136	}
		137
		138	void configuration::cleanup()
		139	{
		140	if (rsa_key)
		141	RSA_free (rsa_key);
		142
		143	rsa_key = 0;
		144
		145	free (pidfilename); pidfilename = 0;
		146	free (ifname); ifname = 0;
		147	#if ENABLE_HTTP_PROXY
		148	free (proxy_host); proxy_host = 0;
		149	free (proxy_auth); proxy_auth = 0;
		150	#endif
		151	#if ENABLE_DNS
		152	free (dns_forw_host); dns_forw_host = 0;
		153	#endif
		154	}
		155
		156	void
		157	configuration::clear_config ()
		158	{
		159	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
		160	delete *i;
		161
		162	nodes.clear ();
		163
		164	cleanup ();
		165	init ();
		166	}
		167
		168	#define parse_bool(target,name,trueval,falseval) do { \
		169	if (!strcmp (val, "yes")) target = trueval; \
		170	else if (!strcmp (val, "no")) target = falseval; \
		171	else if (!strcmp (val, "true")) target = trueval; \
		172	else if (!strcmp (val, "false")) target = falseval; \
		173	else if (!strcmp (val, "on")) target = trueval; \
		174	else if (!strcmp (val, "off")) target = falseval; \
		175	else \
		176	slog (L_WARN, \
		177	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \
		178	name, var, fname, lineno); \
		179	} while (0)
		180
		181	void configuration::read_config (bool need_keys)
		182	{
		183	char *fname;
		184	FILE *f;
		185
		186	clear_config ();
		187
		188	asprintf (&fname, "%s/gvpe.conf", confbase);
		189	f = fopen (fname, "r");
		190
		191	if (f)
		192	{
		193	char line[16384];
		194	int lineno = 0;
		195	char var, val;
		196	conf_node *node = &default_node;
		197
		198	while (fgets (line, sizeof (line), f))
		199	{
		200	lineno++;
		201
		202	{
		203	char *end = line + strlen (line);
		204
		205	while (*end < ' ' && end >= line)
		206	end--;
		207
		208	*++end = 0;
		209	}
		210
		211	char *tok = line;
		212
		213	retry:
		214	var = strtok (tok, "\t =");
		215	tok = 0;
		216
		217	if (!var \|\| !var[0])
		218	continue; /* no tokens on this line */
		219
		220	if (var[0] == '#')
		221	continue; /* comment: ignore */
		222
		223	val = strtok (NULL, "\t\n\r =");
		224
		225	if (!val \|\| val[0] == '#')
		226	{
		227	slog (L_WARN,
		228	_("no value for variable `%s', at '%s' line %d, skipping."),
		229	var, fname, lineno);
		230	continue;
		231	}
		232
		233	if (!strcmp (var, "on"))
		234	{
		235	if (!::thisnode
		236	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		237	\|\| !strcmp (val, ::thisnode))
		238	goto retry;
		239
		240	continue;
		241	}
		242
		243	// truly global
		244	if (!strcmp (var, "loglevel"))
		245	{
		246	loglevel l = string_to_loglevel (val);
		247
		248	if (l != L_NONE)
		249	llevel = l;
		250	else
		251	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
		252	}
		253	else if (!strcmp (var, "ip-proto"))
		254	ip_proto = atoi (val);
		255	else if (!strcmp (var, "icmp-type"))
		256	{
		257	#if ENABLE_ICMP
		258	icmp_type = atoi (val);
		259	#endif
		260	}
		261
		262	// per config
		263	else if (!strcmp (var, "node"))
		264	{
		265	default_node.id++;
		266
		267	node = new conf_node (default_node);
		268
		269	nodes.push_back (node);
		270
		271	node->nodename = strdup (val);
		272
		273	{
		274	char *fname;
		275	FILE *f;
		276
		277	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
		278
		279	f = fopen (fname, "r");
		280	if (f)
		281	{
		282	node->rsa_key = RSA_new ();
		283
		284	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		285	{
		286	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		287	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		288	exit (EXIT_FAILURE);
		289	}
		290
		291	require (RSA_blinding_on (node->rsa_key, 0));
		292
		293	fclose (f);
		294	}
		295	else
		296	{
		297	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		298
		299	if (need_keys)
		300	exit (EXIT_FAILURE);
		301	}
		302
		303	free (fname);
		304	}
		305
		306	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		307	thisnode = node;
		308	}
		309	else if (!strcmp (var, "private-key"))
		310	free (prikeyfile), prikeyfile = strdup (val);
		311	else if (!strcmp (var, "ifpersist"))
		312	parse_bool (ifpersist, "ifpersist", true, false);
		313	else if (!strcmp (var, "ifname"))
		314	free (ifname), ifname = strdup (val);
		315	else if (!strcmp (var, "rekey"))
		316	rekey = atoi (val);
		317	else if (!strcmp (var, "keepalive"))
		318	keepalive = atoi (val);
		319	else if (!strcmp (var, "mtu"))
		320	mtu = atoi (val);
		321	else if (!strcmp (var, "if-up"))
		322	free (script_if_up), script_if_up = strdup (val);
		323	else if (!strcmp (var, "node-up"))
		324	free (script_node_up), script_node_up = strdup (val);
		325	else if (!strcmp (var, "node-down"))
		326	free (script_node_down), script_node_down = strdup (val);
		327	else if (!strcmp (var, "pid-file"))
		328	free (pidfilename), pidfilename = strdup (val);
		329	else if (!strcmp (var, "dns-forw-host"))
		330	{
		331	#if ENABLE_DNS
		332	free (dns_forw_host), dns_forw_host = strdup (val);
		333	#endif
		334	}
		335	else if (!strcmp (var, "dns-forw-port"))
		336	{
		337	#if ENABLE_DNS
		338	dns_forw_port = atoi (val);
		339	#endif
		340	}
		341	else if (!strcmp (var, "dns-timeout-factor"))
		342	{
		343	#if ENABLE_DNS
		344	dns_timeout_factor = atof (val);
		345	#endif
		346	}
		347	else if (!strcmp (var, "dns-send-interval"))
		348	{
		349	#if ENABLE_DNS
		350	dns_send_interval = atoi (val);
		351	#endif
		352	}
		353	else if (!strcmp (var, "dns-overlap-factor"))
		354	{
		355	#if ENABLE_DNS
		356	dns_overlap_factor = atof (val);
		357	#endif
		358	}
		359	else if (!strcmp (var, "dns-max-outstanding"))
		360	{
		361	#if ENABLE_DNS
		362	dns_max_outstanding = atoi (val);
		363	#endif
		364	}
		365	else if (!strcmp (var, "http-proxy-host"))
		366	{
		367	#if ENABLE_HTTP_PROXY
		368	free (proxy_host), proxy_host = strdup (val);
		369	#endif
		370	}
		371	else if (!strcmp (var, "http-proxy-port"))
		372	{
		373	#if ENABLE_HTTP_PROXY
		374	proxy_port = atoi (val);
		375	#endif
		376	}
		377	else if (!strcmp (var, "http-proxy-auth"))
		378	{
		379	#if ENABLE_HTTP_PROXY
		380	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		381	#endif
		382	}
		383
		384	/* node-specific, non-defaultable */
		385	else if (node != &default_node && !strcmp (var, "hostname"))
		386	free (node->hostname), node->hostname = strdup (val);
		387
		388	/* node-specific, defaultable */
		389	else if (!strcmp (var, "udp-port"))
		390	node->udp_port = atoi (val);
		391	else if (!strcmp (var, "tcp-port"))
		392	node->tcp_port = atoi (val);
		393	else if (!strcmp (var, "dns-hostname"))
		394	{
		395	#if ENABLE_DNS
		396	free (node->dns_hostname), node->dns_hostname = strdup (val);
		397	#endif
		398	}
		399	else if (!strcmp (var, "dns-port"))
		400	{
		401	#if ENABLE_DNS
		402	node->dns_port = atoi (val);
		403	#endif
		404	}
		405	else if (!strcmp (var, "dns-domain"))
		406	{
		407	#if ENABLE_DNS
		408	free (node->domain), node->domain = strdup (val);
		409	#endif
		410	}
		411	else if (!strcmp (var, "router-priority"))
		412	node->routerprio = atoi (val);
		413	else if (!strcmp (var, "max-retry"))
		414	node->max_retry = atoi (val);
		415	else if (!strcmp (var, "connect"))
		416	{
		417	if (!strcmp (val, "ondemand"))
		418	node->connectmode = conf_node::C_ONDEMAND;
		419	else if (!strcmp (val, "never"))
		420	node->connectmode = conf_node::C_NEVER;
		421	else if (!strcmp (val, "always"))
		422	node->connectmode = conf_node::C_ALWAYS;
		423	else if (!strcmp (val, "disabled"))
		424	node->connectmode = conf_node::C_DISABLED;
		425	else
		426	slog (L_WARN,
		427	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d, ignoring."),
		428	var, fname, lineno);
		429	}
		430	else if (!strcmp (var, "inherit-tos"))
		431	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		432	else if (!strcmp (var, "compress"))
		433	parse_bool (node->compress, "compress", true, false);
		434	// all these bool options really really cost a lot of executable size!
		435	else if (!strcmp (var, "enable-tcp"))
		436	{
		437	#if ENABLE_TCP
		438	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		439	#endif
		440	}
		441	else if (!strcmp (var, "enable-icmp"))
		442	{
		443	#if ENABLE_ICMP
		444	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		445	#endif
		446	}
		447	else if (!strcmp (var, "enable-dns"))
		448	{
		449	#if ENABLE_DNS
		450	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		451	#endif
		452	}
		453	else if (!strcmp (var, "enable-udp"))
		454	{
		455	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		456	}
		457	else if (!strcmp (var, "enable-rawip"))
		458	{
		459	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		460	}
		461
		462	// unknown or misplaced
		463	else
		464	slog (L_WARN,
		465	_("unknown or misplaced variable `%s', at '%s' line %d, skipping."),
		466	var, fname, lineno);
		467	}
		468
		469	fclose (f);
		470	}
		471	else
		472	{
		473	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
		474	exit (EXIT_FAILURE);
		475	}
		476
		477	free (fname);
		478
		479	fname = config_filename (prikeyfile, "hostkey");
		480
		481	f = fopen (fname, "r");
		482	if (f)
		483	{
		484	rsa_key = RSA_new ();
		485
		486	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
		487	{
		488	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		489	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		490	exit (EXIT_FAILURE);
		491	}
		492
		493	require (RSA_blinding_on (rsa_key, 0));
		494
		495	fclose (f);
		496	}
		497	else
		498	{
		499	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
		500
		501	if (need_keys)
		502	exit (EXIT_FAILURE);
		503	}
		504
		505	if (need_keys && ::thisnode
		506	&& rsa_key && thisnode && thisnode->rsa_key)
		507	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0
		508	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)
		509	{
		510	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		511	exit (EXIT_FAILURE);
		512	}
		513
		514	free (fname);
		515	}
		516
		517	char configuration::config_filename (const char name, const char *dflt)
		518	{
		519	char *fname;
		520
		521	asprintf (&fname, name ? name : dflt, ::thisnode);
		522
		523	if (!ABSOLUTE_PATH (fname))
		524	{
		525	char *rname = fname;
		526	asprintf (&fname, "%s/%s", confbase, rname);
		527	free (rname);
		528	}
		529
		530	return fname;
		531	}
		532
		533	void
		534	configuration::print ()
		535	{
		536	printf (_("\nConfiguration\n\n"));
		537	printf (_("# of nodes: %d\n"), nodes.size ());
		538	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
		539	printf (_("MTU: %d\n"), mtu);
		540	printf (_("rekeying interval: %d\n"), rekey);
		541	printf (_("keepalive interval: %d\n"), keepalive);
		542	printf (_("interface: %s\n"), ifname);
		543	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
		544	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
		545	printf ("\n");
		546
		547	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
		548	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
		549
		550	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
		551	(*i)->print ();
		552
		553	printf ("\n");
		554	}
		555
		556	configuration::configuration ()
		557	{
		558	asprintf (&confbase, "%s/gvpe", CONFDIR);
		559
		560	init ();
		561	}
		562
		563	configuration::~configuration ()
		564	{
		565	cleanup ();
		566	}
		567
		568

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Comparing gvpe/src/conf.C (file contents): Revision 1.8 by pcg, Wed Apr 2 03:25:17 2003 UTC vs. Revision 1.38 by pcg, Wed Mar 23 17:03:58 2005 UTC

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Comparing gvpe/src/conf.C (file contents):
Revision 1.8 by pcg, Wed Apr 2 03:25:17 2003 UTC vs.
Revision 1.38 by pcg, Wed Mar 23 17:03:58 2005 UTC