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

Comparing gvpe/src/conf.C (file contents):
Revision 1.3 by pcg, Sun Mar 9 12:40:18 2003 UTC vs.
Revision 1.32 by pcg, Sat Mar 5 15:48:54 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, "inherit-tos"))
274	{
275	if (!strcmp (val, "yes"))
276	node->inherit_tos = true;
277	else if (!strcmp (val, "no"))
278	node->inherit_tos = 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	else if (!strcmp (var, "compress"))
286	{
287	if (!strcmp (val, "yes"))
288	node->compress = true;
289	else if (!strcmp (val, "no"))
290	node->compress = false;
291	else
292	slog (L_WARN,
293	_("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"),
294	var, fname, lineno);
295	}
296
297	// unknown or misplaced
298	else
299	{
300	slog (L_WARN,
301	_("unknown or misplaced variable `%s', at '%s' line %d"),
302	var, fname, lineno);
303	}
304	}
305
306	fclose (f);
307	}
308	else
309	{
310	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
311	exit (1);
312	}
313
314	free (fname);
315
316	fname = config_filename (prikeyfile, "hostkey");
317
318	f = fopen (fname, "r");
319	if (f)
320	{
321	rsa_key = RSA_new ();
322
323	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
324	{
325	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
326	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
327	exit (1);
328	}
329
330	RSA_blinding_on (rsa_key, 0);
331
332	fclose (f);
333	}
334	else
335	{
336	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
337
338	if (need_keys)
339	exit (1);
340	}
341
342	free (fname);
343	}
344
345	char configuration::config_filename (const char name, const char *dflt)
346	{
347	char *fname;
348
349	asprintf (&fname, name ? name : dflt, ::thisnode);
350
351	if (!ABSOLUTE_PATH (fname))
352	{
353	char *rname = fname;
354	asprintf (&fname, "%s/%s", confbase, rname);
355	free (rname);
356	}
357
358	return fname;	62	return 0;
359	}	63	}
360		64
361	void	65	const char *strprotocol (u8 protocol)
362	configuration::print ()
363	{	66	{
364	printf (_("\nConfiguration\n\n"));	67	if (protocol & PROT_IPv4 ) return "rawip";
365	printf (_("# of nodes: %d\n"), nodes.size ());	68	if (protocol & PROT_ICMPv4) return "icmp";
366	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");	69	if (protocol & PROT_UDPv4 ) return "udp";
367	printf (_("MTU: %d\n"), mtu);	70	if (protocol & PROT_TCPv4 ) return "tcp";
368	printf (_("rekeying interval: %d\n"), rekey);	71	if (protocol & PROT_DNSv4 ) return "dns";
369	printf (_("keepalive interval: %d\n"), keepalive);
370	printf (_("interface: %s\n"), ifname);
371	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
372	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
373	printf ("\n");
374		72
375	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	73	return "<unknown>";
376	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
377
378	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
379	(*i)->print ();
380
381	printf ("\n");
382	}	74	}
383		75
384	void	76	void
385	conf_node::print ()	77	conf_node::print ()
386	{	78	{
…		…
392	connectmode == C_NEVER ? "never" :	84	connectmode == C_NEVER ? "never" :
393	connectmode == C_ALWAYS ? "always" : "",	85	connectmode == C_ALWAYS ? "always" : "",
394	nodename,	86	nodename,
395	hostname ? hostname : "",	87	hostname ? hostname : "",
396	hostname ? ":" : "",	88	hostname ? ":" : "",
397	hostname ? port : 0	89	hostname ? udp_port : 0
398	);	90	);
399	}	91	}
400		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_port = 53;
		129	#endif
		130
		131	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
		132	}
		133
		134	void configuration::cleanup()
		135	{
		136	if (rsa_key)
		137	RSA_free (rsa_key);
		138
		139	rsa_key = 0;
		140
		141	free (pidfilename); pidfilename = 0;
		142	free (ifname); ifname = 0;
		143	#if ENABLE_HTTP_PROXY
		144	free (proxy_host); proxy_host = 0;
		145	free (proxy_auth); proxy_auth = 0;
		146	#endif
		147	#if ENABLE_DNS
		148	free (dns_forw_host); dns_forw_host = 0;
		149	#endif
		150	}
		151
		152	void
		153	configuration::clear_config ()
		154	{
		155	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
		156	delete *i;
		157
		158	nodes.clear ();
		159
		160	cleanup ();
		161	init ();
		162	}
		163
		164	#define parse_bool(target,name,trueval,falseval) \
		165	if (!strcmp (val, "yes")) target = trueval; \
		166	else if (!strcmp (val, "no")) target = falseval; \
		167	else if (!strcmp (val, "true")) target = trueval; \
		168	else if (!strcmp (val, "false")) target = falseval; \
		169	else if (!strcmp (val, "on")) target = trueval; \
		170	else if (!strcmp (val, "off")) target = falseval; \
		171	else \
		172	slog (L_WARN, \
		173	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \
		174	name, var, fname, lineno);
		175
		176	void configuration::read_config (bool need_keys)
		177	{
		178	char *fname;
		179	FILE *f;
		180
		181	clear_config ();
		182
		183	asprintf (&fname, "%s/gvpe.conf", confbase);
		184	f = fopen (fname, "r");
		185
		186	if (f)
		187	{
		188	char line[16384];
		189	int lineno = 0;
		190	char var, val;
		191	conf_node *node = &default_node;
		192
		193	while (fgets (line, sizeof (line), f))
		194	{
		195	lineno++;
		196
		197	{
		198	char *end = line + strlen (line);
		199
		200	while (*end < ' ' && end >= line)
		201	end--;
		202
		203	*++end = 0;
		204	}
		205
		206	char *tok = line;
		207
		208	retry:
		209	var = strtok (tok, "\t =");
		210	tok = 0;
		211
		212	if (!var \|\| !var[0])
		213	continue; /* no tokens on this line */
		214
		215	if (var[0] == '#')
		216	continue; /* comment: ignore */
		217
		218	val = strtok (NULL, "\t\n\r =");
		219
		220	if (!val \|\| val[0] == '#')
		221	{
		222	slog (L_WARN,
		223	_("no value for variable `%s', at '%s' line %d"),
		224	var, fname, lineno);
		225	break;
		226	}
		227
		228	if (!strcmp (var, "on"))
		229	{
		230	if (!::thisnode
		231	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		232	\|\| !strcmp (val, ::thisnode))
		233	goto retry;
		234
		235	continue;
		236	}
		237
		238	// truly global
		239	if (!strcmp (var, "loglevel"))
		240	{
		241	loglevel l = string_to_loglevel (val);
		242
		243	if (l != L_NONE)
		244	llevel = l;
		245	else
		246	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
		247	}
		248	else if (!strcmp (var, "ip-proto"))
		249	ip_proto = atoi (val);
		250	else if (!strcmp (var, "icmp-type"))
		251	{
		252	#if ENABLE_ICMP
		253	icmp_type = atoi (val);
		254	#endif
		255	}
		256
		257	// per config
		258	else if (!strcmp (var, "node"))
		259	{
		260	default_node.id++;
		261
		262	node = new conf_node (default_node);
		263
		264	nodes.push_back (node);
		265
		266	node->nodename = strdup (val);
		267
		268	{
		269	char *fname;
		270	FILE *f;
		271
		272	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
		273
		274	f = fopen (fname, "r");
		275	if (f)
		276	{
		277	node->rsa_key = RSA_new ();
		278
		279	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		280	{
		281	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		282	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		283	exit (EXIT_FAILURE);
		284	}
		285
		286	require (RSA_blinding_on (node->rsa_key, 0));
		287
		288	fclose (f);
		289	}
		290	else
		291	{
		292	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		293
		294	if (need_keys)
		295	exit (EXIT_FAILURE);
		296	}
		297
		298	free (fname);
		299	}
		300
		301	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		302	thisnode = node;
		303	}
		304	else if (!strcmp (var, "private-key"))
		305	free (prikeyfile), prikeyfile = strdup (val);
		306	else if (!strcmp (var, "ifpersist"))
		307	{
		308	parse_bool (ifpersist, "ifpersist", true, false);
		309	}
		310	else if (!strcmp (var, "ifname"))
		311	free (ifname), ifname = strdup (val);
		312	else if (!strcmp (var, "rekey"))
		313	rekey = atoi (val);
		314	else if (!strcmp (var, "keepalive"))
		315	keepalive = atoi (val);
		316	else if (!strcmp (var, "mtu"))
		317	mtu = atoi (val);
		318	else if (!strcmp (var, "if-up"))
		319	free (script_if_up), script_if_up = strdup (val);
		320	else if (!strcmp (var, "node-up"))
		321	free (script_node_up), script_node_up = strdup (val);
		322	else if (!strcmp (var, "node-down"))
		323	free (script_node_down), script_node_down = strdup (val);
		324	else if (!strcmp (var, "pid-file"))
		325	free (pidfilename), pidfilename = strdup (val);
		326	#if ENABLE_DNS
		327	else if (!strcmp (var, "dns-forw-host"))
		328	free (dns_forw_host), dns_forw_host = strdup (val);
		329	else if (!strcmp (var, "dns-forw-port"))
		330	dns_forw_port = atoi (val);
		331	#endif
		332	else if (!strcmp (var, "http-proxy-host"))
		333	{
		334	#if ENABLE_HTTP_PROXY
		335	free (proxy_host), proxy_host = strdup (val);
		336	#endif
		337	}
		338	else if (!strcmp (var, "http-proxy-port"))
		339	{
		340	#if ENABLE_HTTP_PROXY
		341	proxy_port = atoi (val);
		342	#endif
		343	}
		344	else if (!strcmp (var, "http-proxy-auth"))
		345	{
		346	#if ENABLE_HTTP_PROXY
		347	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		348	#endif
		349	}
		350
		351	/* node-specific, non-defaultable */
		352	else if (node != &default_node && !strcmp (var, "hostname"))
		353	free (node->hostname), node->hostname = strdup (val);
		354
		355	/* node-specific, defaultable */
		356	else if (!strcmp (var, "udp-port"))
		357	node->udp_port = atoi (val);
		358	else if (!strcmp (var, "tcp-port"))
		359	node->tcp_port = atoi (val);
		360	#if ENABLE_DNS
		361	else if (!strcmp (var, "dns-hostname"))
		362	free (node->dns_hostname), node->dns_hostname = strdup (val);
		363	else if (!strcmp (var, "dns-port"))
		364	node->dns_port = atoi (val);
		365	#endif
		366	else if (!strcmp (var, "dns-domain"))
		367	{
		368	#if ENABLE_DNS
		369	free (node->domain), node->domain = strdup (val);
		370	#endif
		371	}
		372	else if (!strcmp (var, "router-priority"))
		373	node->routerprio = atoi (val);
		374	else if (!strcmp (var, "max-retry"))
		375	node->max_retry = atoi (val);
		376	else if (!strcmp (var, "connect"))
		377	{
		378	if (!strcmp (val, "ondemand"))
		379	node->connectmode = conf_node::C_ONDEMAND;
		380	else if (!strcmp (val, "never"))
		381	node->connectmode = conf_node::C_NEVER;
		382	else if (!strcmp (val, "always"))
		383	node->connectmode = conf_node::C_ALWAYS;
		384	else if (!strcmp (val, "disabled"))
		385	node->connectmode = conf_node::C_DISABLED;
		386	else
		387	slog (L_WARN,
		388	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
		389	var, fname, lineno);
		390	}
		391	else if (!strcmp (var, "inherit-tos"))
		392	{
		393	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		394	}
		395	else if (!strcmp (var, "compress"))
		396	{
		397	parse_bool (node->compress, "compress", true, false);
		398	}
		399	// all these bool options really really cost a lot of executable size!
		400	else if (!strcmp (var, "enable-tcp"))
		401	{
		402	#if ENABLE_TCP
		403	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		404	#endif
		405	}
		406	else if (!strcmp (var, "enable-icmp"))
		407	{
		408	#if ENABLE_ICMP
		409	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		410	#endif
		411	}
		412	else if (!strcmp (var, "enable-dns"))
		413	{
		414	#if ENABLE_DNS
		415	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		416	#endif
		417	}
		418	else if (!strcmp (var, "enable-udp"))
		419	{
		420	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		421	}
		422	else if (!strcmp (var, "enable-rawip"))
		423	{
		424	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		425	}
		426
		427	// unknown or misplaced
		428	else
		429	slog (L_WARN,
		430	_("unknown or misplaced variable `%s', at '%s' line %d"),
		431	var, fname, lineno);
		432	}
		433
		434	fclose (f);
		435	}
		436	else
		437	{
		438	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
		439	exit (EXIT_FAILURE);
		440	}
		441
		442	free (fname);
		443
		444	fname = config_filename (prikeyfile, "hostkey");
		445
		446	f = fopen (fname, "r");
		447	if (f)
		448	{
		449	rsa_key = RSA_new ();
		450
		451	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
		452	{
		453	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		454	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		455	exit (EXIT_FAILURE);
		456	}
		457
		458	require (RSA_blinding_on (rsa_key, 0));
		459
		460	fclose (f);
		461	}
		462	else
		463	{
		464	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
		465
		466	if (need_keys)
		467	exit (EXIT_FAILURE);
		468	}
		469
		470	if (need_keys && ::thisnode
		471	&& rsa_key && thisnode && thisnode->rsa_key)
		472	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0
		473	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)
		474	{
		475	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		476	exit (EXIT_FAILURE);
		477	}
		478
		479	free (fname);
		480	}
		481
		482	char configuration::config_filename (const char name, const char *dflt)
		483	{
		484	char *fname;
		485
		486	asprintf (&fname, name ? name : dflt, ::thisnode);
		487
		488	if (!ABSOLUTE_PATH (fname))
		489	{
		490	char *rname = fname;
		491	asprintf (&fname, "%s/%s", confbase, rname);
		492	free (rname);
		493	}
		494
		495	return fname;
		496	}
		497
		498	void
		499	configuration::print ()
		500	{
		501	printf (_("\nConfiguration\n\n"));
		502	printf (_("# of nodes: %d\n"), nodes.size ());
		503	printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
		504	printf (_("MTU: %d\n"), mtu);
		505	printf (_("rekeying interval: %d\n"), rekey);
		506	printf (_("keepalive interval: %d\n"), keepalive);
		507	printf (_("interface: %s\n"), ifname);
		508	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
		509	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
		510	printf ("\n");
		511
		512	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
		513	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
		514
		515	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
		516	(*i)->print ();
		517
		518	printf ("\n");
		519	}
		520
		521	configuration::configuration ()
		522	{
		523	asprintf (&confbase, "%s/gvpe", CONFDIR);
		524
		525	init ();
		526	}
		527
		528	configuration::~configuration ()
		529	{
		530	cleanup ();
		531	}
		532
		533

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Comparing gvpe/src/conf.C (file contents): Revision 1.3 by pcg, Sun Mar 9 12:40:18 2003 UTC vs. Revision 1.32 by pcg, Sat Mar 5 15:48:54 2005 UTC

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Comparing gvpe/src/conf.C (file contents):
Revision 1.3 by pcg, Sun Mar 9 12:40:18 2003 UTC vs.
Revision 1.32 by pcg, Sat Mar 5 15:48:54 2005 UTC