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

Comparing gvpe/src/conf.C (file contents):
Revision 1.24 by pcg, Fri Apr 2 14:42:45 2004 UTC vs.
Revision 1.49 by pcg, Sun Aug 10 22:18:58 2008 UTC

…		…
1	/*	1	/*
2	conf.c -- configuration code	2	conf.c -- configuration code
3	Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com>	3	Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de>
4		4
		5	This file is part of GVPE.
		6
5	This program is free software; you can redistribute it and/or modify	7	GVPE is free software; you can redistribute it and/or modify it
6	it under the terms of the GNU General Public License as published by	8	under the terms of the GNU General Public License as published by the
7	the Free Software Foundation; either version 2 of the License, or	9	Free Software Foundation; either version 3 of the License, or (at your
8	(at your option) any later version.	10	option) any later version.
9		11
10	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, but
11	but WITHOUT ANY WARRANTY; without even the implied warranty of	13	WITHOUT ANY WARRANTY; without even the implied warranty of
12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
13	GNU General Public License for more details.	15	Public License for more details.
14		16
15	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 along
16	along with this program; if not, write to the Free Software	18	with this program; if not, see <http://www.gnu.org/licenses/>.
17	Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA	19
		20	Additional permission under GNU GPL version 3 section 7
		21
		22	If you modify this Program, or any covered work, by linking or
		23	combining it with the OpenSSL project's OpenSSL library (or a modified
		24	version of that library), containing parts covered by the terms of the
		25	OpenSSL or SSLeay licenses, the licensors of this Program grant you
		26	additional permission to convey the resulting work. Corresponding
		27	Source for a non-source form of such a combination shall include the
		28	source code for the parts of OpenSSL used as well as that of the
		29	covered work.
18	*/	30	*/
19		31
20	#include "config.h"	32	#include "config.h"
21		33
22	#include <cstdio>	34	#include <cstdio>
35	#include <openssl/pem.h>	47	#include <openssl/pem.h>
36	#include <openssl/rsa.h>	48	#include <openssl/rsa.h>
37	#include <openssl/rand.h>	49	#include <openssl/rand.h>
38	#include <openssl/bn.h>	50	#include <openssl/bn.h>
39		51
40	#include "gettext.h"
41
42	#include "conf.h"	52	#include "conf.h"
43	#include "slog.h"	53	#include "slog.h"
44	#include "util.h"	54	#include "util.h"
45		55
46	char *confbase;	56	char *confbase;
…		…
69	if (protocol & PROT_DNSv4 ) return "dns";	79	if (protocol & PROT_DNSv4 ) return "dns";
70		80
71	return "<unknown>";	81	return "<unknown>";
72	}	82	}
73		83
		84	static bool
		85	match_list (const vector<const char > &list, const char str)
		86	{
		87	for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
		88	if ((i)[0] == '' && !(*i)[1])
		89	return true;
		90	else if (!strcmp (*i, str))
		91	return true;
		92
		93	return false;
		94	}
		95
		96	bool
		97	conf_node::may_direct (struct conf_node *other)
		98	{
		99	if (match_list (allow_direct, other->nodename))
		100	return true;
		101
		102	if (match_list (deny_direct, other->nodename))
		103	return false;
		104
		105	return true;
		106	}
		107
74	void	108	void
75	conf_node::print ()	109	conf_node::print ()
76	{	110	{
77	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n",	111	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n",
78	id,	112	id,
79	id >> 8, id & 0xff,	113	id >> 8, id & 0xff,
80	compress ? 'Y' : 'N',	114	compress ? 'Y' : 'N',
81	connectmode == C_ONDEMAND ? "ondemand" :	115	connectmode == C_ONDEMAND ? "ondemand"
82	connectmode == C_NEVER ? "never" :	116	: connectmode == C_NEVER ? "never"
83	connectmode == C_ALWAYS ? "always" : "",	117	: connectmode == C_ALWAYS ? "always"
		118	: connectmode == C_DISABLED ? "disabled"
		119	: "",
84	nodename,	120	nodename,
85	hostname ? hostname : "",	121	hostname ? hostname : "",
86	hostname ? ":" : "",	122	hostname ? ":" : "",
87	hostname ? udp_port : 0	123	hostname ? udp_port : 0
88	);	124	);
89	}	125	}
90		126
91	conf_node::~conf_node ()	127	conf_node::~conf_node ()
92	{	128	{
		129	#if 0
		130	// does not work, because string pointers etc. are shared
		131	// is not called, however
93	if (rsa_key)	132	if (rsa_key)
94	RSA_free (rsa_key);	133	RSA_free (rsa_key);
95		134
96	free (nodename);	135	free (nodename);
97	free (hostname);	136	free (hostname);
		137	free (if_up_data);
		138	#if ENABLE_DNS
		139	free (domain);
		140	free (dns_hostname);
		141	#endif
		142	#endif
98	}	143	}
99		144
100	void configuration::init ()	145	void configuration::init ()
101	{	146	{
102	memset (this, 0, sizeof (*this));	147	memset (this, 0, sizeof (*this));
…		…
112		157
113	default_node.udp_port = DEFAULT_UDPPORT;	158	default_node.udp_port = DEFAULT_UDPPORT;
114	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm	159	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
115	default_node.connectmode = conf_node::C_ALWAYS;	160	default_node.connectmode = conf_node::C_ALWAYS;
116	default_node.compress = true;	161	default_node.compress = true;
117	default_node.protocols = PROT_UDPv4;	162	default_node.protocols = 0;
		163	default_node.max_retry = DEFAULT_MAX_RETRY;
		164	default_node.max_ttl = DEFAULT_MAX_TTL;
		165	default_node.max_queue = DEFAULT_MAX_QUEUE;
		166	default_node.if_up_data = strdup ("");
		167
		168	#if ENABLE_DNS
		169	default_node.dns_port = 0; // default is 0 == client
		170
		171	dns_forw_host = strdup ("127.0.0.1");
		172	dns_forw_port = 53;
		173	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
		174	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
		175	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
		176	dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
		177	#endif
		178
		179	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
118	}	180	}
119		181
120	void configuration::cleanup()	182	void configuration::cleanup()
121	{	183	{
122	if (rsa_key)	184	if (rsa_key)
123	RSA_free (rsa_key);	185	RSA_free (rsa_key);
124		186
125	rsa_key = 0;	187	rsa_key = 0;
126		188
127	free (pidfilename); pidfilename = 0;	189	free (pidfilename); pidfilename = 0;
128	free (ifname); ifname = 0;	190	free (ifname); ifname = 0;
129	#if ENABLE_HTTP_PROXY	191	#if ENABLE_HTTP_PROXY
130	free (proxy_host); proxy_host = 0;	192	free (proxy_host); proxy_host = 0;
131	free (proxy_auth); proxy_auth = 0;	193	free (proxy_auth); proxy_auth = 0;
		194	#endif
		195	#if ENABLE_DNS
		196	free (dns_forw_host); dns_forw_host = 0;
132	#endif	197	#endif
133	}	198	}
134		199
135	void	200	void
136	configuration::clear_config ()	201	configuration::clear ()
137	{	202	{
138	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)	203	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
139	delete *i;	204	delete *i;
140		205
141	nodes.clear ();	206	nodes.clear ();
142		207
143	cleanup ();	208	cleanup ();
144	init ();	209	init ();
145	}	210	}
146		211
147	#define parse_bool(target,name,trueval,falseval) \	212	#define parse_bool(target,name,trueval,falseval) do { \
148	if (!strcmp (val, "yes")) target = trueval; \	213	if (!strcmp (val, "yes")) target = trueval; \
149	else if (!strcmp (val, "no")) target = falseval; \	214	else if (!strcmp (val, "no")) target = falseval; \
150	else if (!strcmp (val, "true")) target = trueval; \	215	else if (!strcmp (val, "true")) target = trueval; \
151	else if (!strcmp (val, "false")) target = falseval; \	216	else if (!strcmp (val, "false")) target = falseval; \
152	else if (!strcmp (val, "on")) target = trueval; \	217	else if (!strcmp (val, "on")) target = trueval; \
153	else if (!strcmp (val, "off")) target = falseval; \	218	else if (!strcmp (val, "off")) target = falseval; \
154	else \	219	else \
155	slog (L_WARN, \	220	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed. (ignored)"); \
156	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \	221	} while (0)
157	name, var, fname, lineno);
158		222
159	void configuration::read_config (bool need_keys)	223	const char *
		224	configuration_parser::parse_line (char *line)
		225	{
		226	{
		227	char *end = line + strlen (line);
		228
		229	while (*end < ' ' && end >= line)
		230	end--;
		231
		232	*++end = 0;
		233	}
		234
		235	char *tok = line;
		236	const char *var = strtok (tok, "\t =");
		237	tok = 0;
		238
		239	if (!var \|\| !var[0])
		240	return 0; /* no tokens on this line */
		241
		242	if (var[0] == '#')
		243	return 0; /* comment: ignore */
		244
		245	char *val = strtok (NULL, "\t\n\r =");
		246
		247	if (!val \|\| val[0] == '#')
		248	return _("no value given for variable. (ignored)");
		249
		250	if (!strcmp (var, "on"))
		251	{
		252	if (!::thisnode
		253	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		254	\|\| !strcmp (val, ::thisnode))
		255	return parse_line (strtok (NULL, "\n\r"));
		256	else
		257	return 0;
		258	}
		259
		260	// truly global
		261	if (!strcmp (var, "loglevel"))
		262	{
		263	loglevel l = string_to_loglevel (val);
		264
		265	if (l == L_NONE)
		266	return _("unknown loglevel. (skipping)");
		267	}
		268	else if (!strcmp (var, "ip-proto"))
		269	conf.ip_proto = atoi (val);
		270	else if (!strcmp (var, "icmp-type"))
		271	{
		272	#if ENABLE_ICMP
		273	conf.icmp_type = atoi (val);
		274	#endif
		275	}
		276
		277	// per config
		278	else if (!strcmp (var, "node"))
		279	{
		280	parse_argv ();
		281
		282	conf.default_node.id++;
		283	node = new conf_node (conf.default_node);
		284	conf.nodes.push_back (node);
		285	node->nodename = strdup (val);
		286
		287	{
		288	char *fname;
		289	FILE *f;
		290
		291	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
		292
		293	f = fopen (fname, "r");
		294	if (f)
		295	{
		296	node->rsa_key = RSA_new ();
		297
		298	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		299	{
		300	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		301	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		302	exit (EXIT_FAILURE);
		303	}
		304
		305	require (RSA_blinding_on (node->rsa_key, 0));
		306
		307	fclose (f);
		308	}
		309	else
		310	{
		311	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		312
		313	if (need_keys)
		314	exit (EXIT_FAILURE);
		315	}
		316
		317	free (fname);
		318	}
		319
		320	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		321	conf.thisnode = node;
		322	}
		323	else if (!strcmp (var, "private-key"))
		324	free (conf.prikeyfile), conf.prikeyfile = strdup (val);
		325	else if (!strcmp (var, "ifpersist"))
		326	parse_bool (conf.ifpersist, "ifpersist", true, false);
		327	else if (!strcmp (var, "ifname"))
		328	free (conf.ifname), conf.ifname = strdup (val);
		329	else if (!strcmp (var, "rekey"))
		330	conf.rekey = atoi (val);
		331	else if (!strcmp (var, "keepalive"))
		332	conf.keepalive = atoi (val);
		333	else if (!strcmp (var, "mtu"))
		334	conf.mtu = atoi (val);
		335	else if (!strcmp (var, "if-up"))
		336	free (conf.script_if_up), conf.script_if_up = strdup (val);
		337	else if (!strcmp (var, "node-up"))
		338	free (conf.script_node_up), conf.script_node_up = strdup (val);
		339	else if (!strcmp (var, "node-down"))
		340	free (conf.script_node_down), conf.script_node_down = strdup (val);
		341	else if (!strcmp (var, "pid-file"))
		342	free (conf.pidfilename), conf.pidfilename = strdup (val);
		343	else if (!strcmp (var, "dns-forw-host"))
		344	{
		345	#if ENABLE_DNS
		346	free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
		347	#endif
		348	}
		349	else if (!strcmp (var, "dns-forw-port"))
		350	{
		351	#if ENABLE_DNS
		352	conf.dns_forw_port = atoi (val);
		353	#endif
		354	}
		355	else if (!strcmp (var, "dns-timeout-factor"))
		356	{
		357	#if ENABLE_DNS
		358	conf.dns_timeout_factor = atof (val);
		359	#endif
		360	}
		361	else if (!strcmp (var, "dns-send-interval"))
		362	{
		363	#if ENABLE_DNS
		364	conf.dns_send_interval = atoi (val);
		365	#endif
		366	}
		367	else if (!strcmp (var, "dns-overlap-factor"))
		368	{
		369	#if ENABLE_DNS
		370	conf.dns_overlap_factor = atof (val);
		371	#endif
		372	}
		373	else if (!strcmp (var, "dns-max-outstanding"))
		374	{
		375	#if ENABLE_DNS
		376	conf.dns_max_outstanding = atoi (val);
		377	#endif
		378	}
		379	else if (!strcmp (var, "http-proxy-host"))
		380	{
		381	#if ENABLE_HTTP_PROXY
		382	free (conf.proxy_host), conf.proxy_host = strdup (val);
		383	#endif
		384	}
		385	else if (!strcmp (var, "http-proxy-port"))
		386	{
		387	#if ENABLE_HTTP_PROXY
		388	conf.proxy_port = atoi (val);
		389	#endif
		390	}
		391	else if (!strcmp (var, "http-proxy-auth"))
		392	{
		393	#if ENABLE_HTTP_PROXY
		394	conf.proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		395	#endif
		396	}
		397
		398	/* node-specific, non-defaultable */
		399	else if (node != &conf.default_node && !strcmp (var, "hostname"))
		400	free (node->hostname), node->hostname = strdup (val);
		401
		402	/* node-specific, defaultable */
		403	else if (!strcmp (var, "udp-port"))
		404	node->udp_port = atoi (val);
		405	else if (!strcmp (var, "tcp-port"))
		406	node->tcp_port = atoi (val);
		407	else if (!strcmp (var, "dns-hostname"))
		408	{
		409	#if ENABLE_DNS
		410	free (node->dns_hostname), node->dns_hostname = strdup (val);
		411	#endif
		412	}
		413	else if (!strcmp (var, "dns-port"))
		414	{
		415	#if ENABLE_DNS
		416	node->dns_port = atoi (val);
		417	#endif
		418	}
		419	else if (!strcmp (var, "dns-domain"))
		420	{
		421	#if ENABLE_DNS
		422	free (node->domain), node->domain = strdup (val);
		423	#endif
		424	}
		425	else if (!strcmp (var, "if-up-data"))
		426	free (node->if_up_data), node->if_up_data = strdup (val);
		427	else if (!strcmp (var, "router-priority"))
		428	node->routerprio = atoi (val);
		429	else if (!strcmp (var, "max-retry"))
		430	node->max_retry = atoi (val);
		431	else if (!strcmp (var, "connect"))
		432	{
		433	if (!strcmp (val, "ondemand"))
		434	node->connectmode = conf_node::C_ONDEMAND;
		435	else if (!strcmp (val, "never"))
		436	node->connectmode = conf_node::C_NEVER;
		437	else if (!strcmp (val, "always"))
		438	node->connectmode = conf_node::C_ALWAYS;
		439	else if (!strcmp (val, "disabled"))
		440	node->connectmode = conf_node::C_DISABLED;
		441	else
		442	return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
		443	}
		444	else if (!strcmp (var, "inherit-tos"))
		445	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		446	else if (!strcmp (var, "compress"))
		447	parse_bool (node->compress, "compress", true, false);
		448	// all these bool options really really cost a lot of executable size!
		449	else if (!strcmp (var, "enable-tcp"))
		450	{
		451	#if ENABLE_TCP
		452	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		453	#endif
		454	}
		455	else if (!strcmp (var, "enable-icmp"))
		456	{
		457	#if ENABLE_ICMP
		458	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		459	#endif
		460	}
		461	else if (!strcmp (var, "enable-dns"))
		462	{
		463	#if ENABLE_DNS
		464	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		465	#endif
		466	}
		467	else if (!strcmp (var, "enable-udp"))
		468	{
		469	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		470	}
		471	else if (!strcmp (var, "enable-rawip"))
		472	{
		473	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		474	}
		475	else if (!strcmp (var, "allow-direct"))
		476	node->allow_direct.push_back (strdup (val));
		477	else if (!strcmp (var, "deny-direct"))
		478	node->deny_direct.push_back (strdup (val));
		479	else if (!strcmp (var, "max-ttl"))
		480	node->max_ttl = atof (val);
		481	else if (!strcmp (var, "max-queue"))
		482	node->max_queue = atoi (val);
		483
		484	// unknown or misplaced
		485	else
		486	return _("unknown configuration directive. (ignored)");
		487
		488	return 0;
		489	}
		490
		491	void conf_node::finalise ()
		492	{
		493	if (max_queue < 1)
		494	{
		495	slog (L_WARN, _("%s: max-queue value invalid, setting it to 1."), nodename);
		496	max_queue = 1;
		497	}
		498
		499	if (routerprio > 1 && (connectmode != C_ALWAYS && connectmode != C_DISABLED))
		500	{
		501	//slog (L_WARN, _("%s: has non-zero router-priority but either 'never' or 'ondemand' as connectmode, setting it to 'always'."), nodename);
		502	connectmode = C_ALWAYS;
		503	}
		504	}
		505
		506	void configuration_parser::parse_argv ()
		507	{
		508	for (int i = 0; i < argc; ++i)
		509	{
		510	char *v = argv [i];
		511
		512	if (!*v)
		513	continue;
		514
		515	char *enode = v;
		516
		517	while (enode != '.' && enode > ' ' && enode != '=' && enode)
		518	enode++;
		519
		520	if (*enode != '.')
		521	enode = 0;
		522
		523	char *wnode = node == &conf.default_node
		524	? 0
		525	: node->nodename;
		526
		527	if ((!wnode && !enode)
		528	\|\| (wnode && enode && !strncmp (wnode, v, enode - v)))
		529	{
		530	const char *warn = parse_line (enode ? enode + 1 : v);
		531
		532	if (warn)
		533	slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
		534
		535	*v = 0;
		536	}
		537	}
		538	}
		539
		540	configuration_parser::configuration_parser (configuration &conf,
		541	bool need_keys,
		542	int argc,
		543	char **argv)
		544	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
160	{	545	{
161	char *fname;	546	char *fname;
162	FILE *f;	547	FILE *f;
163		548
164	clear_config ();	549	conf.clear ();
165		550
166	asprintf (&fname, "%s/vped.conf", confbase);	551	asprintf (&fname, "%s/gvpe.conf", confbase);
167	f = fopen (fname, "r");	552	f = fopen (fname, "r");
168		553
169	if (f)	554	if (f)
170	{	555	{
171	char line[16384];	556	char line[16384];
172	int lineno = 0;	557	int lineno = 0;
173	char var, val;	558	node = &conf.default_node;
174	conf_node *node = &default_node;
175		559
176	while (fgets (line, sizeof (line), f))	560	while (fgets (line, sizeof (line), f))
177	{	561	{
178	lineno++;	562	lineno++;
179		563
180	{	564	const char *warn = parse_line (line);
181	char *end = line + strlen (line);
182		565
183	while (*end < ' ' && end >= line)	566	if (warn)
184	end--;	567	slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
185
186	*++end = 0;
187	}
188
189	char *tok = line;
190
191	retry:
192	var = strtok (tok, "\t =");
193	tok = 0;
194
195	if (!var \|\| !var[0])
196	continue; /* no tokens on this line */
197
198	if (var[0] == '#')
199	continue; /* comment: ignore */
200
201	val = strtok (NULL, "\t\n\r =");
202
203	if (!val \|\| val[0] == '#')
204	{
205	slog (L_WARN,
206	_("no value for variable `%s', at '%s' line %d"),
207	var, fname, lineno);
208	break;
209	}
210
211	if (!strcmp (var, "on"))
212	{
213	if (!::thisnode
214	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
215	\|\| !strcmp (val, ::thisnode))
216	goto retry;
217
218	continue;
219	}
220
221	// truly global
222	if (!strcmp (var, "loglevel"))
223	{
224	loglevel l = string_to_loglevel (val);
225
226	if (l != L_NONE)
227	llevel = l;
228	else
229	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
230	}
231	else if (!strcmp (var, "ip-proto"))
232	ip_proto = atoi (val);
233	else if (!strcmp (var, "icmp-type"))
234	{
235	#if ENABLE_ICMP
236	icmp_type = atoi (val);
237	#endif
238	}
239
240	// per config
241	else if (!strcmp (var, "node"))
242	{
243	default_node.id++;
244
245	node = new conf_node (default_node);
246
247	nodes.push_back (node);
248
249	node->nodename = strdup (val);
250
251	{
252	char *fname;
253	FILE *f;
254
255	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
256
257	f = fopen (fname, "r");
258	if (f)
259	{
260	node->rsa_key = RSA_new ();
261
262	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
263	{
264	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
265	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
266	exit (EXIT_FAILURE);
267	}
268
269	require (RSA_blinding_on (node->rsa_key, 0));
270
271	fclose (f);
272	}
273	else
274	{
275	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
276
277	if (need_keys)
278	exit (EXIT_FAILURE);
279	}
280
281	free (fname);
282	}
283
284	if (::thisnode && !strcmp (node->nodename, ::thisnode))
285	thisnode = node;
286	}
287	else if (!strcmp (var, "private-key"))
288	free (prikeyfile), prikeyfile = strdup (val);
289	else if (!strcmp (var, "ifpersist"))
290	{
291	parse_bool (ifpersist, "ifpersist", true, false);
292	}
293	else if (!strcmp (var, "ifname"))
294	free (ifname), ifname = strdup (val);
295	else if (!strcmp (var, "rekey"))
296	rekey = atoi (val);
297	else if (!strcmp (var, "keepalive"))
298	keepalive = atoi (val);
299	else if (!strcmp (var, "mtu"))
300	mtu = atoi (val);
301	else if (!strcmp (var, "if-up"))
302	free (script_if_up), script_if_up = strdup (val);
303	else if (!strcmp (var, "node-up"))
304	free (script_node_up), script_node_up = strdup (val);
305	else if (!strcmp (var, "node-down"))
306	free (script_node_down), script_node_down = strdup (val);
307	else if (!strcmp (var, "pid-file"))
308	free (pidfilename), pidfilename = strdup (val);
309	else if (!strcmp (var, "http-proxy-host"))
310	{
311	#if ENABLE_HTTP_PROXY
312	free (proxy_host), proxy_host = strdup (val);
313	#endif
314	}
315	else if (!strcmp (var, "http-proxy-port"))
316	{
317	#if ENABLE_HTTP_PROXY
318	proxy_port = atoi (val);
319	#endif
320	}
321	else if (!strcmp (var, "http-proxy-auth"))
322	{
323	#if ENABLE_HTTP_PROXY
324	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
325	#endif
326	}
327
328	/* node-specific, non-defaultable */
329	else if (node != &default_node && !strcmp (var, "hostname"))
330	free (node->hostname), node->hostname = strdup (val);
331
332	/* node-specific, defaultable */
333	else if (!strcmp (var, "udp-port"))
334	node->udp_port = atoi (val);
335	else if (!strcmp (var, "tcp-port"))
336	node->tcp_port = atoi (val);
337	else if (!strcmp (var, "dns-port"))
338	node->dns_port = atoi (val);
339	else if (!strcmp (var, "router-priority"))
340	node->routerprio = atoi (val);
341	else if (!strcmp (var, "connect"))
342	{
343	if (!strcmp (val, "ondemand"))
344	node->connectmode = conf_node::C_ONDEMAND;
345	else if (!strcmp (val, "never"))
346	node->connectmode = conf_node::C_NEVER;
347	else if (!strcmp (val, "always"))
348	node->connectmode = conf_node::C_ALWAYS;
349	else if (!strcmp (val, "disabled"))
350	node->connectmode = conf_node::C_DISABLED;
351	else
352	slog (L_WARN,
353	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
354	var, fname, lineno);
355	}
356	else if (!strcmp (var, "inherit-tos"))
357	{
358	parse_bool (node->inherit_tos, "inherit-tos", true, false);
359	}
360	else if (!strcmp (var, "compress"))
361	{
362	parse_bool (node->compress, "compress", true, false);
363	}
364	// all these bool options really really cost a lot of executable size!
365	else if (!strcmp (var, "enable-tcp"))
366	{
367	#if ENABLE_TCP
368	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
369	#endif
370	}
371	else if (!strcmp (var, "enable-icmp"))
372	{
373	#if ENABLE_ICMP
374	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
375	#endif
376	}
377	else if (!strcmp (var, "enable-dns"))
378	{
379	#if ENABLE_DNS
380	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
381	#endif
382	}
383	else if (!strcmp (var, "enable-udp"))
384	{
385	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
386	}
387	else if (!strcmp (var, "enable-rawip"))
388	{;
389	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
390	}
391
392	// unknown or misplaced
393	else
394	slog (L_WARN,
395	_("unknown or misplaced variable `%s', at '%s' line %d"),
396	var, fname, lineno);
397	}	568	}
398		569
399	fclose (f);	570	fclose (f);
		571
		572	parse_argv ();
400	}	573	}
401	else	574	else
402	{	575	{
403	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	576	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
404	exit (EXIT_FAILURE);	577	exit (EXIT_FAILURE);
405	}	578	}
406		579
407	free (fname);	580	free (fname);
408		581
409	fname = config_filename (prikeyfile, "hostkey");	582	fname = conf.config_filename (conf.prikeyfile, "hostkey");
410		583
411	f = fopen (fname, "r");	584	f = fopen (fname, "r");
412	if (f)	585	if (f)
413	{	586	{
414	rsa_key = RSA_new ();	587	conf.rsa_key = RSA_new ();
415		588
416	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	589	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
417	{	590	{
418	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	591	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
419	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));	592	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
420	exit (EXIT_FAILURE);	593	exit (EXIT_FAILURE);
421	}	594	}
422		595
423	require (RSA_blinding_on (rsa_key, 0));	596	require (RSA_blinding_on (conf.rsa_key, 0));
424		597
425	fclose (f);	598	fclose (f);
426	}	599	}
427	else	600	else
428	{	601	{
…		…
431	if (need_keys)	604	if (need_keys)
432	exit (EXIT_FAILURE);	605	exit (EXIT_FAILURE);
433	}	606	}
434		607
435	if (need_keys && ::thisnode	608	if (need_keys && ::thisnode
436	&& rsa_key && thisnode && thisnode->rsa_key)	609	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
437	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0	610	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
438	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)	611	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
439	{	612	{
440	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);	613	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
441	exit (EXIT_FAILURE);	614	exit (EXIT_FAILURE);
442	}	615	}
443		616
444	free (fname);	617	free (fname);
		618
		619	for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
		620	(*i)->finalise ();
445	}	621	}
446		622
447	char configuration::config_filename (const char name, const char *dflt)	623	char configuration::config_filename (const char name, const char *dflt)
448	{	624	{
449	char *fname;	625	char *fname;
…		…
483	printf ("\n");	659	printf ("\n");
484	}	660	}
485		661
486	configuration::configuration ()	662	configuration::configuration ()
487	{	663	{
		664	asprintf (&confbase, "%s/gvpe", CONFDIR);
		665
488	init ();	666	init ();
489	}	667	}
490		668
491	configuration::~configuration ()	669	configuration::~configuration ()
492	{	670	{

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Comparing gvpe/src/conf.C (file contents): Revision 1.24 by pcg, Fri Apr 2 14:42:45 2004 UTC vs. Revision 1.49 by pcg, Sun Aug 10 22:18:58 2008 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.24 by pcg, Fri Apr 2 14:42:45 2004 UTC vs.
Revision 1.49 by pcg, Sun Aug 10 22:18:58 2008 UTC