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

Comparing gvpe/src/conf.C (file contents):
Revision 1.17 by pcg, Tue Oct 14 15:48:15 2003 UTC vs.
Revision 1.42 by pcg, Mon Dec 5 12:58:08 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. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22	*/	20	*/
23		21
24	#include "config.h"	22	#include "config.h"
25		23
26	#include <cstdio>	24	#include <cstdio>
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 ) return PROT_IPv4;	54	if (protset & PROT_IPv4 ) return PROT_IPv4;
59	if (protset & PROT_ICMPv4) return PROT_ICMPv4;	55	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
60	if (protset & PROT_UDPv4 ) return PROT_UDPv4;	56	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
61	if (protset & PROT_TCPv4 ) return PROT_TCPv4;	57	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		58	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
62		59
63	return 0;	60	return 0;
64	}	61	}
65		62
66	const char *strprotocol (u8 protocol)	63	const char *strprotocol (u8 protocol)
67	{	64	{
68	if (protocol & PROT_IPv4 ) return "rawip";	65	if (protocol & PROT_IPv4 ) return "rawip";
69	if (protocol & PROT_ICMPv4) return "icmp";	66	if (protocol & PROT_ICMPv4) return "icmp";
70	if (protocol & PROT_UDPv4 ) return "udp";	67	if (protocol & PROT_UDPv4 ) return "udp";
71	if (protocol & PROT_TCPv4 ) return "tcp";	68	if (protocol & PROT_TCPv4 ) return "tcp";
		69	if (protocol & PROT_DNSv4 ) return "dns";
72		70
73	return "<unknown>";	71	return "<unknown>";
		72	}
		73
		74	static bool
		75	match_list (const vector<const char > &list, const char str)
		76	{
		77	for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
		78	if ((i)[0] == '' && !(*i)[1])
		79	return true;
		80	else if (!strcmp (*i, str))
		81	return true;
		82
		83	return false;
		84	}
		85
		86	bool
		87	conf_node::can_direct (struct conf_node *other)
		88	{
		89	if (match_list (allow_direct, other->nodename))
		90	return true;
		91
		92	if (match_list (deny_direct, other->nodename))
		93	return false;
		94
		95	return true;
74	}	96	}
75		97
76	void	98	void
77	conf_node::print ()	99	conf_node::print ()
78	{	100	{
…		…
90	);	112	);
91	}	113	}
92		114
93	conf_node::~conf_node ()	115	conf_node::~conf_node ()
94	{	116	{
		117	#if 0
		118	// does not work, because string pointers etc. are shared
		119	// is not called, however
95	if (rsa_key)	120	if (rsa_key)
96	RSA_free (rsa_key);	121	RSA_free (rsa_key);
97		122
98	free (nodename);	123	free (nodename);
99	free (hostname);	124	free (hostname);
		125	free (if_up_data);
		126	#if ENABLE_DNS
		127	free (domain);
		128	free (dns_hostname);
		129	#endif
		130	#endif
100	}	131	}
101		132
102	void configuration::init ()	133	void configuration::init ()
103	{	134	{
104	memset (this, 0, sizeof (*this));	135	memset (this, 0, sizeof (*this));
105		136
		137	mtu = DEFAULT_MTU;
106	rekey = DEFAULT_REKEY;	138	rekey = DEFAULT_REKEY;
107	keepalive = DEFAULT_KEEPALIVE;	139	keepalive = DEFAULT_KEEPALIVE;
108	llevel = L_INFO;	140	llevel = L_INFO;
109	ip_proto = IPPROTO_GRE;	141	ip_proto = IPPROTO_GRE;
110	#if ENABLE_ICMP	142	#if ENABLE_ICMP
111	icmp_type = ICMP_ECHOREPLY;	143	icmp_type = ICMP_ECHOREPLY;
112	#endif	144	#endif
113		145
114	default_node.udp_port = DEFAULT_UDPPORT;	146	default_node.udp_port = DEFAULT_UDPPORT;
115	default_node.tcp_port = DEFAULT_UDPPORT;	147	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
116	default_node.connectmode = conf_node::C_ALWAYS;	148	default_node.connectmode = conf_node::C_ALWAYS;
117	default_node.compress = true;	149	default_node.compress = true;
118	default_node.protocols = PROT_UDPv4;	150	default_node.protocols = 0;
		151	default_node.max_retry = DEFAULT_MAX_RETRY;
		152	default_node.if_up_data = strdup ("");
		153
		154	#if ENABLE_DNS
		155	default_node.dns_port = 0; // default is 0 == client
		156
		157	dns_forw_host = strdup ("127.0.0.1");
		158	dns_forw_port = 53;
		159	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
		160	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
		161	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
		162	dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
		163	#endif
		164
		165	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
119	}	166	}
120		167
121	void configuration::cleanup()	168	void configuration::cleanup()
122	{	169	{
123	if (rsa_key)	170	if (rsa_key)
124	RSA_free (rsa_key);	171	RSA_free (rsa_key);
125		172
126	rsa_key = 0;	173	rsa_key = 0;
127		174
		175	free (pidfilename); pidfilename = 0;
128	free (ifname); ifname = 0;	176	free (ifname); ifname = 0;
129	#if ENABLE_HTTP_PROXY	177	#if ENABLE_HTTP_PROXY
130	free (proxy_host); proxy_host = 0;	178	free (proxy_host); proxy_host = 0;
131	free (proxy_auth); proxy_auth = 0;	179	free (proxy_auth); proxy_auth = 0;
		180	#endif
		181	#if ENABLE_DNS
		182	free (dns_forw_host); dns_forw_host = 0;
132	#endif	183	#endif
133	}	184	}
134		185
135	void	186	void
136	configuration::clear_config ()	187	configuration::clear ()
137	{	188	{
138	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)	189	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
139	delete *i;	190	delete *i;
140		191
141	nodes.clear ();	192	nodes.clear ();
142		193
143	cleanup ();	194	cleanup ();
144	init ();	195	init ();
145	}	196	}
146		197
147	#define parse_bool(target,name,trueval,falseval) \	198	#define parse_bool(target,name,trueval,falseval) do { \
148	if (!strcmp (val, "yes")) target = trueval; \	199	if (!strcmp (val, "yes")) target = trueval; \
149	else if (!strcmp (val, "no")) target = falseval; \	200	else if (!strcmp (val, "no")) target = falseval; \
150	else if (!strcmp (val, "true")) target = trueval; \	201	else if (!strcmp (val, "true")) target = trueval; \
151	else if (!strcmp (val, "false")) target = falseval; \	202	else if (!strcmp (val, "false")) target = falseval; \
152	else if (!strcmp (val, "on")) target = trueval; \	203	else if (!strcmp (val, "on")) target = trueval; \
153	else if (!strcmp (val, "off")) target = falseval; \	204	else if (!strcmp (val, "off")) target = falseval; \
154	else \	205	else \
155	slog (L_WARN, \	206	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"), \	207	} while (0)
157	name, var, fname, lineno);
158		208
159	void configuration::read_config (bool need_keys)	209	const char *
		210	configuration_parser::parse_line (char *line)
		211	{
		212	{
		213	char *end = line + strlen (line);
		214
		215	while (*end < ' ' && end >= line)
		216	end--;
		217
		218	*++end = 0;
		219	}
		220
		221	char *tok = line;
		222	const char *var = strtok (tok, "\t =");
		223	tok = 0;
		224
		225	if (!var \|\| !var[0])
		226	return 0; /* no tokens on this line */
		227
		228	if (var[0] == '#')
		229	return 0; /* comment: ignore */
		230
		231	char *val = strtok (NULL, "\t\n\r =");
		232
		233	if (!val \|\| val[0] == '#')
		234	return _("no value given for variable. (ignored)");
		235
		236	if (!strcmp (var, "on"))
		237	{
		238	if (!::thisnode
		239	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		240	\|\| !strcmp (val, ::thisnode))
		241	return parse_line (strtok (NULL, "\n\r"));
		242	else
		243	return 0;
		244	}
		245
		246	// truly global
		247	if (!strcmp (var, "loglevel"))
		248	{
		249	loglevel l = string_to_loglevel (val);
		250
		251	if (l == L_NONE)
		252	return _("unknown loglevel. (skipping)");
		253	}
		254	else if (!strcmp (var, "ip-proto"))
		255	conf.ip_proto = atoi (val);
		256	else if (!strcmp (var, "icmp-type"))
		257	{
		258	#if ENABLE_ICMP
		259	conf.icmp_type = atoi (val);
		260	#endif
		261	}
		262
		263	// per config
		264	else if (!strcmp (var, "node"))
		265	{
		266	parse_argv ();
		267
		268	conf.default_node.id++;
		269	node = new conf_node (conf.default_node);
		270	conf.nodes.push_back (node);
		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	conf.thisnode = node;
		308	}
		309	else if (!strcmp (var, "private-key"))
		310	free (conf.prikeyfile), conf.prikeyfile = strdup (val);
		311	else if (!strcmp (var, "ifpersist"))
		312	parse_bool (conf.ifpersist, "ifpersist", true, false);
		313	else if (!strcmp (var, "ifname"))
		314	free (conf.ifname), conf.ifname = strdup (val);
		315	else if (!strcmp (var, "rekey"))
		316	conf.rekey = atoi (val);
		317	else if (!strcmp (var, "keepalive"))
		318	conf.keepalive = atoi (val);
		319	else if (!strcmp (var, "mtu"))
		320	conf.mtu = atoi (val);
		321	else if (!strcmp (var, "if-up"))
		322	free (conf.script_if_up), conf.script_if_up = strdup (val);
		323	else if (!strcmp (var, "node-up"))
		324	free (conf.script_node_up), conf.script_node_up = strdup (val);
		325	else if (!strcmp (var, "node-down"))
		326	free (conf.script_node_down), conf.script_node_down = strdup (val);
		327	else if (!strcmp (var, "pid-file"))
		328	free (conf.pidfilename), conf.pidfilename = strdup (val);
		329	else if (!strcmp (var, "dns-forw-host"))
		330	{
		331	#if ENABLE_DNS
		332	free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
		333	#endif
		334	}
		335	else if (!strcmp (var, "dns-forw-port"))
		336	{
		337	#if ENABLE_DNS
		338	conf.dns_forw_port = atoi (val);
		339	#endif
		340	}
		341	else if (!strcmp (var, "dns-timeout-factor"))
		342	{
		343	#if ENABLE_DNS
		344	conf.dns_timeout_factor = atof (val);
		345	#endif
		346	}
		347	else if (!strcmp (var, "dns-send-interval"))
		348	{
		349	#if ENABLE_DNS
		350	conf.dns_send_interval = atoi (val);
		351	#endif
		352	}
		353	else if (!strcmp (var, "dns-overlap-factor"))
		354	{
		355	#if ENABLE_DNS
		356	conf.dns_overlap_factor = atof (val);
		357	#endif
		358	}
		359	else if (!strcmp (var, "dns-max-outstanding"))
		360	{
		361	#if ENABLE_DNS
		362	conf.dns_max_outstanding = atoi (val);
		363	#endif
		364	}
		365	else if (!strcmp (var, "http-proxy-host"))
		366	{
		367	#if ENABLE_HTTP_PROXY
		368	free (conf.proxy_host), conf.proxy_host = strdup (val);
		369	#endif
		370	}
		371	else if (!strcmp (var, "http-proxy-port"))
		372	{
		373	#if ENABLE_HTTP_PROXY
		374	conf.proxy_port = atoi (val);
		375	#endif
		376	}
		377	else if (!strcmp (var, "http-proxy-auth"))
		378	{
		379	#if ENABLE_HTTP_PROXY
		380	conf.proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		381	#endif
		382	}
		383
		384	/* node-specific, non-defaultable */
		385	else if (node != &conf.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, "if-up-data"))
		412	free (node->if_up_data), node->if_up_data = strdup (val);
		413	else if (!strcmp (var, "router-priority"))
		414	node->routerprio = atoi (val);
		415	else if (!strcmp (var, "max-retry"))
		416	node->max_retry = atoi (val);
		417	else if (!strcmp (var, "connect"))
		418	{
		419	if (!strcmp (val, "ondemand"))
		420	node->connectmode = conf_node::C_ONDEMAND;
		421	else if (!strcmp (val, "never"))
		422	node->connectmode = conf_node::C_NEVER;
		423	else if (!strcmp (val, "always"))
		424	node->connectmode = conf_node::C_ALWAYS;
		425	else if (!strcmp (val, "disabled"))
		426	node->connectmode = conf_node::C_DISABLED;
		427	else
		428	return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
		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	else if (!strcmp (var, "allow-direct"))
		462	node->allow_direct.push_back (strdup (val));
		463	else if (!strcmp (var, "deny-direct"))
		464	node->deny_direct.push_back (strdup (val));
		465
		466	// unknown or misplaced
		467	else
		468	return _("unknown configuration directive. (ignored)");
		469
		470	return 0;
		471	}
		472
		473	void configuration_parser::parse_argv ()
		474	{
		475	for (int i = 0; i < argc; ++i)
		476	{
		477	char *v = argv [i];
		478
		479	if (!*v)
		480	continue;
		481
		482	char *enode = v;
		483
		484	while (enode != '.' && enode > ' ' && enode != '=' && enode)
		485	enode++;
		486
		487	if (*enode != '.')
		488	enode = 0;
		489
		490	char *wnode = node == &conf.default_node
		491	? 0
		492	: node->nodename;
		493
		494	if ((!wnode && !enode)
		495	\|\| (wnode && enode && !strncmp (wnode, v, enode - v)))
		496	{
		497	const char *warn = parse_line (enode ? enode + 1 : v);
		498
		499	if (warn)
		500	slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
		501
		502	*v = 0;
		503	}
		504	}
		505	}
		506
		507	configuration_parser::configuration_parser (configuration &conf,
		508	bool need_keys,
		509	int argc,
		510	char **argv)
		511	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
160	{	512	{
161	char *fname;	513	char *fname;
162	FILE *f;	514	FILE *f;
163		515
164	clear_config ();	516	conf.clear ();
165		517
166	asprintf (&fname, "%s/vped.conf", confbase);	518	asprintf (&fname, "%s/gvpe.conf", confbase);
167	f = fopen (fname, "r");	519	f = fopen (fname, "r");
168		520
169	if (f)	521	if (f)
170	{	522	{
171	char line[16384];	523	char line[16384];
172	int lineno = 0;	524	int lineno = 0;
173	char var, val;	525	node = &conf.default_node;
174	conf_node *node = &default_node;
175		526
176	while (fgets (line, sizeof (line), f))	527	while (fgets (line, sizeof (line), f))
177	{	528	{
178	lineno++;	529	lineno++;
179		530
180	{	531	const char *warn = parse_line (line);
181	char *end = line + strlen (line);
182		532
183	while (*end < ' ' && end >= line)	533	if (warn)
184	end--;	534	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	#if ENABLE_ICMP
234	//TODO: error message
235	else if (!strcmp (var, "icmp-type"))
236	icmp_type = atoi (val);
237	#endif
238
239	// per config
240	else if (!strcmp (var, "node"))
241	{
242	default_node.id++;
243
244	node = new conf_node (default_node);
245
246	nodes.push_back (node);
247
248	node->nodename = strdup (val);
249
250	{
251	char *fname;
252	FILE *f;
253
254	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
255
256	f = fopen (fname, "r");
257	if (f)
258	{
259	node->rsa_key = RSA_new ();
260
261	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
262	{
263	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
264	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
265	exit (1);
266	}
267
268	RSA_blinding_on (node->rsa_key, 0);
269
270	fclose (f);
271	}
272	else
273	{
274	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
275
276	if (need_keys)
277	exit (1);
278	}
279
280	free (fname);
281	}
282
283	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
284	thisnode = node;
285	}
286	else if (!strcmp (var, "private-key"))
287	prikeyfile = strdup (val);
288	else if (!strcmp (var, "ifpersist"))
289	{
290	parse_bool (ifpersist, "ifpersist", true, false);
291	}
292	else if (!strcmp (var, "ifname"))
293	ifname = strdup (val);
294	else if (!strcmp (var, "rekey"))
295	rekey = atoi (val);
296	else if (!strcmp (var, "keepalive"))
297	keepalive = atoi (val);
298	else if (!strcmp (var, "mtu"))
299	mtu = atoi (val);
300	else if (!strcmp (var, "if-up"))
301	script_if_up = strdup (val);
302	else if (!strcmp (var, "node-up"))
303	script_node_up = strdup (val);
304	else if (!strcmp (var, "node-down"))
305	script_node_down = strdup (val);
306	#if ENABLE_HTTP_PROXY
307	else if (!strcmp (var, "http-proxy-host"))
308	proxy_host = strdup (val);
309	else if (!strcmp (var, "http-proxy-port"))
310	proxy_port = atoi (val);
311	else if (!strcmp (var, "http-proxy-auth"))
312	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
313	#endif
314
315	/* node-specific, non-defaultable */
316	else if (node != &default_node && !strcmp (var, "hostname"))
317	{
318	free (node->hostname);
319	node->hostname = strdup (val);
320	}
321
322	/* node-specific, defaultable */
323	else if (!strcmp (var, "udp-port"))
324	node->udp_port = atoi (val);
325	else if (!strcmp (var, "tcp-port"))
326	node->tcp_port = atoi (val);
327	else if (!strcmp (var, "router-priority"))
328	node->routerprio = atoi (val);
329	else if (!strcmp (var, "connect"))
330	{
331	if (!strcmp (val, "ondemand"))
332	node->connectmode = conf_node::C_ONDEMAND;
333	else if (!strcmp (val, "never"))
334	node->connectmode = conf_node::C_NEVER;
335	else if (!strcmp (val, "always"))
336	node->connectmode = conf_node::C_ALWAYS;
337	else if (!strcmp (val, "disabled"))
338	node->connectmode = conf_node::C_DISABLED;
339	else
340	slog (L_WARN,
341	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
342	var, fname, lineno);
343	}
344	else if (!strcmp (var, "inherit-tos"))
345	{
346	parse_bool (node->inherit_tos, "inherit-tos", true, false);
347	}
348	else if (!strcmp (var, "compress"))
349	{
350	parse_bool (node->compress, "compress", true, false);
351	}
352	// all these bool options really really cost a lot of executable size!
353	else if (!strcmp (var, "enable-tcp"))
354	{
355	#if ENABLE_TCP
356	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
357	#endif
358	}
359	else if (!strcmp (var, "enable-icmp"))
360	{
361	#if ENABLE_ICMP
362	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
363	#endif
364	}
365	else if (!strcmp (var, "enable-udp"))
366	{
367	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
368	}
369	else if (!strcmp (var, "enable-rawip"))
370	{
371	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
372	}
373
374	// unknown or misplaced
375	else
376	slog (L_WARN,
377	_("unknown or misplaced variable `%s', at '%s' line %d"),
378	var, fname, lineno);
379	}	535	}
380		536
381	fclose (f);	537	fclose (f);
		538
		539	parse_argv ();
382	}	540	}
383	else	541	else
384	{	542	{
385	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	543	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
386	exit (1);	544	exit (EXIT_FAILURE);
387	}	545	}
388		546
389	free (fname);	547	free (fname);
390		548
391	fname = config_filename (prikeyfile, "hostkey");	549	fname = conf.config_filename (conf.prikeyfile, "hostkey");
392		550
393	f = fopen (fname, "r");	551	f = fopen (fname, "r");
394	if (f)	552	if (f)
395	{	553	{
396	rsa_key = RSA_new ();	554	conf.rsa_key = RSA_new ();
397		555
398	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	556	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
399	{	557	{
400	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	558	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
401	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));	559	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
402	exit (1);	560	exit (EXIT_FAILURE);
403	}	561	}
404		562
405	RSA_blinding_on (rsa_key, 0);	563	require (RSA_blinding_on (conf.rsa_key, 0));
406		564
407	fclose (f);	565	fclose (f);
408	}	566	}
409	else	567	else
410	{	568	{
411	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));	569	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
412		570
413	if (need_keys)	571	if (need_keys)
414	exit (1);	572	exit (EXIT_FAILURE);
		573	}
		574
		575	if (need_keys && ::thisnode
		576	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
		577	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
		578	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
		579	{
		580	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		581	exit (EXIT_FAILURE);
415	}	582	}
416		583
417	free (fname);	584	free (fname);
418	}	585	}
419		586
420	char configuration::config_filename (const char name, const char *dflt)	587	char configuration::config_filename (const char name, const char *dflt)
…		…
456	printf ("\n");	623	printf ("\n");
457	}	624	}
458		625
459	configuration::configuration ()	626	configuration::configuration ()
460	{	627	{
		628	asprintf (&confbase, "%s/gvpe", CONFDIR);
		629
461	init ();	630	init ();
462	}	631	}
463		632
464	configuration::~configuration ()	633	configuration::~configuration ()
465	{	634	{

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Comparing gvpe/src/conf.C (file contents): Revision 1.17 by pcg, Tue Oct 14 15:48:15 2003 UTC vs. Revision 1.42 by pcg, Mon Dec 5 12:58:08 2005 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.17 by pcg, Tue Oct 14 15:48:15 2003 UTC vs.
Revision 1.42 by pcg, Mon Dec 5 12:58:08 2005 UTC