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

Comparing gvpe/src/conf.C (file contents):
Revision 1.15 by pcg, Sun Apr 13 00:35:46 2003 UTC vs.
Revision 1.43 by pcg, Thu Aug 7 16:34:21 2008 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>
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	#include <netinet/ip_icmp.h>
38		35
39	#include <openssl/err.h>	36	#include <openssl/err.h>
40	#include <openssl/pem.h>	37	#include <openssl/pem.h>
41	#include <openssl/rsa.h>	38	#include <openssl/rsa.h>
42	#include <openssl/rand.h>	39	#include <openssl/rand.h>
43		40	#include <openssl/bn.h>
44	#include "gettext.h"
45		41
46	#include "conf.h"	42	#include "conf.h"
47	#include "slog.h"	43	#include "slog.h"
48	#include "util.h"	44	#include "util.h"
49		45
50	char *confbase;	46	char *confbase;
51	char *thisnode;	47	char *thisnode;
52	char *identname;	48	char *identname;
53	char *pidfilename;
54		49
55	struct configuration conf;	50	struct configuration conf;
56		51
57	u8 best_protocol (u8 protset)	52	u8 best_protocol (u8 protset)
58	{	53	{
59	if (protset & PROT_IPv4 ) return PROT_IPv4;	54	if (protset & PROT_IPv4 ) return PROT_IPv4;
60	if (protset & PROT_ICMPv4) return PROT_ICMPv4;	55	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
61	if (protset & PROT_UDPv4 ) return PROT_UDPv4;	56	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
62	if (protset & PROT_TCPv4 ) return PROT_TCPv4;	57	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		58	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
63		59
64	return 0;	60	return 0;
65	}	61	}
66		62
67	const char *strprotocol (u8 protocol)	63	const char *strprotocol (u8 protocol)
68	{	64	{
69	if (protocol & PROT_IPv4 ) return "rawip";	65	if (protocol & PROT_IPv4 ) return "rawip";
70	if (protocol & PROT_ICMPv4) return "icmp";	66	if (protocol & PROT_ICMPv4) return "icmp";
71	if (protocol & PROT_UDPv4 ) return "udp";	67	if (protocol & PROT_UDPv4 ) return "udp";
72	if (protocol & PROT_TCPv4 ) return "tcp";	68	if (protocol & PROT_TCPv4 ) return "tcp";
		69	if (protocol & PROT_DNSv4 ) return "dns";
73		70
74	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;
75	}	96	}
76		97
77	void	98	void
78	conf_node::print ()	99	conf_node::print ()
79	{	100	{
…		…
91	);	112	);
92	}	113	}
93		114
94	conf_node::~conf_node ()	115	conf_node::~conf_node ()
95	{	116	{
		117	#if 0
		118	// does not work, because string pointers etc. are shared
		119	// is not called, however
96	if (rsa_key)	120	if (rsa_key)
97	RSA_free (rsa_key);	121	RSA_free (rsa_key);
98		122
99	free (nodename);	123	free (nodename);
100	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
101	}	131	}
102		132
103	void configuration::init ()	133	void configuration::init ()
104	{	134	{
105	memset (this, 0, sizeof (*this));	135	memset (this, 0, sizeof (*this));
106		136
		137	mtu = DEFAULT_MTU;
107	rekey = DEFAULT_REKEY;	138	rekey = DEFAULT_REKEY;
108	keepalive = DEFAULT_KEEPALIVE;	139	keepalive = DEFAULT_KEEPALIVE;
109	llevel = L_INFO;	140	llevel = L_INFO;
110	ip_proto = IPPROTO_GRE;	141	ip_proto = IPPROTO_GRE;
		142	#if ENABLE_ICMP
111	icmp_type = ICMP_ECHOREPLY;	143	icmp_type = ICMP_ECHOREPLY;
		144	#endif
112		145
113	default_node.udp_port = DEFAULT_UDPPORT;	146	default_node.udp_port = DEFAULT_UDPPORT;
114	default_node.tcp_port = DEFAULT_UDPPORT;	147	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
115	default_node.connectmode = conf_node::C_ALWAYS;	148	default_node.connectmode = conf_node::C_ALWAYS;
116	default_node.compress = true;	149	default_node.compress = true;
117	default_node.protocols = PROT_UDPv4;	150	default_node.protocols = 0;
		151	default_node.max_retry = DEFAULT_MAX_RETRY;
		152	default_node.max_ttl = DEFAULT_MAX_TTL;
		153	default_node.max_queue = DEFAULT_MAX_QUEUE;
		154	default_node.if_up_data = strdup ("");
		155
		156	#if ENABLE_DNS
		157	default_node.dns_port = 0; // default is 0 == client
		158
		159	dns_forw_host = strdup ("127.0.0.1");
		160	dns_forw_port = 53;
		161	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
		162	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
		163	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
		164	dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
		165	#endif
		166
		167	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
118	}	168	}
119		169
120	void configuration::cleanup()	170	void configuration::cleanup()
121	{	171	{
122	if (rsa_key)	172	if (rsa_key)
123	RSA_free (rsa_key);	173	RSA_free (rsa_key);
124		174
125	rsa_key = 0;	175	rsa_key = 0;
126		176
		177	free (pidfilename); pidfilename = 0;
127	free (ifname); ifname = 0;	178	free (ifname); ifname = 0;
128	#if ENABLE_HTTP_PROXY	179	#if ENABLE_HTTP_PROXY
129	free (proxy_host); proxy_host = 0;	180	free (proxy_host); proxy_host = 0;
130	free (proxy_auth); proxy_auth = 0;	181	free (proxy_auth); proxy_auth = 0;
		182	#endif
		183	#if ENABLE_DNS
		184	free (dns_forw_host); dns_forw_host = 0;
131	#endif	185	#endif
132	}	186	}
133		187
134	void	188	void
135	configuration::clear_config ()	189	configuration::clear ()
136	{	190	{
137	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)	191	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
138	delete *i;	192	delete *i;
139		193
140	nodes.clear ();	194	nodes.clear ();
141		195
142	cleanup ();	196	cleanup ();
143	init ();	197	init ();
144	}	198	}
145		199
146	#define parse_bool(target,name,trueval,falseval) \	200	#define parse_bool(target,name,trueval,falseval) do { \
147	if (!strcmp (val, "yes")) target = trueval; \	201	if (!strcmp (val, "yes")) target = trueval; \
148	else if (!strcmp (val, "no")) target = falseval; \	202	else if (!strcmp (val, "no")) target = falseval; \
149	else if (!strcmp (val, "true")) target = trueval; \	203	else if (!strcmp (val, "true")) target = trueval; \
150	else if (!strcmp (val, "false")) target = falseval; \	204	else if (!strcmp (val, "false")) target = falseval; \
151	else if (!strcmp (val, "on")) target = trueval; \	205	else if (!strcmp (val, "on")) target = trueval; \
152	else if (!strcmp (val, "off")) target = falseval; \	206	else if (!strcmp (val, "off")) target = falseval; \
153	else \	207	else \
154	slog (L_WARN, \	208	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed. (ignored)"); \
155	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \	209	} while (0)
156	name, var, fname, lineno);
157		210
158	void configuration::read_config (bool need_keys)	211	const char *
		212	configuration_parser::parse_line (char *line)
		213	{
		214	{
		215	char *end = line + strlen (line);
		216
		217	while (*end < ' ' && end >= line)
		218	end--;
		219
		220	*++end = 0;
		221	}
		222
		223	char *tok = line;
		224	const char *var = strtok (tok, "\t =");
		225	tok = 0;
		226
		227	if (!var \|\| !var[0])
		228	return 0; /* no tokens on this line */
		229
		230	if (var[0] == '#')
		231	return 0; /* comment: ignore */
		232
		233	char *val = strtok (NULL, "\t\n\r =");
		234
		235	if (!val \|\| val[0] == '#')
		236	return _("no value given for variable. (ignored)");
		237
		238	if (!strcmp (var, "on"))
		239	{
		240	if (!::thisnode
		241	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		242	\|\| !strcmp (val, ::thisnode))
		243	return parse_line (strtok (NULL, "\n\r"));
		244	else
		245	return 0;
		246	}
		247
		248	// truly global
		249	if (!strcmp (var, "loglevel"))
		250	{
		251	loglevel l = string_to_loglevel (val);
		252
		253	if (l == L_NONE)
		254	return _("unknown loglevel. (skipping)");
		255	}
		256	else if (!strcmp (var, "ip-proto"))
		257	conf.ip_proto = atoi (val);
		258	else if (!strcmp (var, "icmp-type"))
		259	{
		260	#if ENABLE_ICMP
		261	conf.icmp_type = atoi (val);
		262	#endif
		263	}
		264
		265	// per config
		266	else if (!strcmp (var, "node"))
		267	{
		268	parse_argv ();
		269
		270	conf.default_node.id++;
		271	node = new conf_node (conf.default_node);
		272	conf.nodes.push_back (node);
		273	node->nodename = strdup (val);
		274
		275	{
		276	char *fname;
		277	FILE *f;
		278
		279	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
		280
		281	f = fopen (fname, "r");
		282	if (f)
		283	{
		284	node->rsa_key = RSA_new ();
		285
		286	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		287	{
		288	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		289	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		290	exit (EXIT_FAILURE);
		291	}
		292
		293	require (RSA_blinding_on (node->rsa_key, 0));
		294
		295	fclose (f);
		296	}
		297	else
		298	{
		299	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		300
		301	if (need_keys)
		302	exit (EXIT_FAILURE);
		303	}
		304
		305	free (fname);
		306	}
		307
		308	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		309	conf.thisnode = node;
		310	}
		311	else if (!strcmp (var, "private-key"))
		312	free (conf.prikeyfile), conf.prikeyfile = strdup (val);
		313	else if (!strcmp (var, "ifpersist"))
		314	parse_bool (conf.ifpersist, "ifpersist", true, false);
		315	else if (!strcmp (var, "ifname"))
		316	free (conf.ifname), conf.ifname = strdup (val);
		317	else if (!strcmp (var, "rekey"))
		318	conf.rekey = atoi (val);
		319	else if (!strcmp (var, "keepalive"))
		320	conf.keepalive = atoi (val);
		321	else if (!strcmp (var, "mtu"))
		322	conf.mtu = atoi (val);
		323	else if (!strcmp (var, "if-up"))
		324	free (conf.script_if_up), conf.script_if_up = strdup (val);
		325	else if (!strcmp (var, "node-up"))
		326	free (conf.script_node_up), conf.script_node_up = strdup (val);
		327	else if (!strcmp (var, "node-down"))
		328	free (conf.script_node_down), conf.script_node_down = strdup (val);
		329	else if (!strcmp (var, "pid-file"))
		330	free (conf.pidfilename), conf.pidfilename = strdup (val);
		331	else if (!strcmp (var, "dns-forw-host"))
		332	{
		333	#if ENABLE_DNS
		334	free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
		335	#endif
		336	}
		337	else if (!strcmp (var, "dns-forw-port"))
		338	{
		339	#if ENABLE_DNS
		340	conf.dns_forw_port = atoi (val);
		341	#endif
		342	}
		343	else if (!strcmp (var, "dns-timeout-factor"))
		344	{
		345	#if ENABLE_DNS
		346	conf.dns_timeout_factor = atof (val);
		347	#endif
		348	}
		349	else if (!strcmp (var, "dns-send-interval"))
		350	{
		351	#if ENABLE_DNS
		352	conf.dns_send_interval = atoi (val);
		353	#endif
		354	}
		355	else if (!strcmp (var, "dns-overlap-factor"))
		356	{
		357	#if ENABLE_DNS
		358	conf.dns_overlap_factor = atof (val);
		359	#endif
		360	}
		361	else if (!strcmp (var, "dns-max-outstanding"))
		362	{
		363	#if ENABLE_DNS
		364	conf.dns_max_outstanding = atoi (val);
		365	#endif
		366	}
		367	else if (!strcmp (var, "http-proxy-host"))
		368	{
		369	#if ENABLE_HTTP_PROXY
		370	free (conf.proxy_host), conf.proxy_host = strdup (val);
		371	#endif
		372	}
		373	else if (!strcmp (var, "http-proxy-port"))
		374	{
		375	#if ENABLE_HTTP_PROXY
		376	conf.proxy_port = atoi (val);
		377	#endif
		378	}
		379	else if (!strcmp (var, "http-proxy-auth"))
		380	{
		381	#if ENABLE_HTTP_PROXY
		382	conf.proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		383	#endif
		384	}
		385
		386	/* node-specific, non-defaultable */
		387	else if (node != &conf.default_node && !strcmp (var, "hostname"))
		388	free (node->hostname), node->hostname = strdup (val);
		389
		390	/* node-specific, defaultable */
		391	else if (!strcmp (var, "udp-port"))
		392	node->udp_port = atoi (val);
		393	else if (!strcmp (var, "tcp-port"))
		394	node->tcp_port = atoi (val);
		395	else if (!strcmp (var, "dns-hostname"))
		396	{
		397	#if ENABLE_DNS
		398	free (node->dns_hostname), node->dns_hostname = strdup (val);
		399	#endif
		400	}
		401	else if (!strcmp (var, "dns-port"))
		402	{
		403	#if ENABLE_DNS
		404	node->dns_port = atoi (val);
		405	#endif
		406	}
		407	else if (!strcmp (var, "dns-domain"))
		408	{
		409	#if ENABLE_DNS
		410	free (node->domain), node->domain = strdup (val);
		411	#endif
		412	}
		413	else if (!strcmp (var, "if-up-data"))
		414	free (node->if_up_data), node->if_up_data = strdup (val);
		415	else if (!strcmp (var, "router-priority"))
		416	node->routerprio = atoi (val);
		417	else if (!strcmp (var, "max-retry"))
		418	node->max_retry = atoi (val);
		419	else if (!strcmp (var, "connect"))
		420	{
		421	if (!strcmp (val, "ondemand"))
		422	node->connectmode = conf_node::C_ONDEMAND;
		423	else if (!strcmp (val, "never"))
		424	node->connectmode = conf_node::C_NEVER;
		425	else if (!strcmp (val, "always"))
		426	node->connectmode = conf_node::C_ALWAYS;
		427	else if (!strcmp (val, "disabled"))
		428	node->connectmode = conf_node::C_DISABLED;
		429	else
		430	return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
		431	}
		432	else if (!strcmp (var, "inherit-tos"))
		433	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		434	else if (!strcmp (var, "compress"))
		435	parse_bool (node->compress, "compress", true, false);
		436	// all these bool options really really cost a lot of executable size!
		437	else if (!strcmp (var, "enable-tcp"))
		438	{
		439	#if ENABLE_TCP
		440	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		441	#endif
		442	}
		443	else if (!strcmp (var, "enable-icmp"))
		444	{
		445	#if ENABLE_ICMP
		446	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		447	#endif
		448	}
		449	else if (!strcmp (var, "enable-dns"))
		450	{
		451	#if ENABLE_DNS
		452	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		453	#endif
		454	}
		455	else if (!strcmp (var, "enable-udp"))
		456	{
		457	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		458	}
		459	else if (!strcmp (var, "enable-rawip"))
		460	{
		461	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		462	}
		463	else if (!strcmp (var, "allow-direct"))
		464	node->allow_direct.push_back (strdup (val));
		465	else if (!strcmp (var, "deny-direct"))
		466	node->deny_direct.push_back (strdup (val));
		467	else if (!strcmp (var, "max-ttl"))
		468	node->max_ttl = atof (val);
		469	else if (!strcmp (var, "max-queue"))
		470	node->max_queue = atoi (val);
		471
		472	// unknown or misplaced
		473	else
		474	return _("unknown configuration directive. (ignored)");
		475
		476	return 0;
		477	}
		478
		479	void configuration_parser::parse_argv ()
		480	{
		481	for (int i = 0; i < argc; ++i)
		482	{
		483	char *v = argv [i];
		484
		485	if (!*v)
		486	continue;
		487
		488	char *enode = v;
		489
		490	while (enode != '.' && enode > ' ' && enode != '=' && enode)
		491	enode++;
		492
		493	if (*enode != '.')
		494	enode = 0;
		495
		496	char *wnode = node == &conf.default_node
		497	? 0
		498	: node->nodename;
		499
		500	if ((!wnode && !enode)
		501	\|\| (wnode && enode && !strncmp (wnode, v, enode - v)))
		502	{
		503	const char *warn = parse_line (enode ? enode + 1 : v);
		504
		505	if (warn)
		506	slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
		507
		508	*v = 0;
		509	}
		510	}
		511	}
		512
		513	configuration_parser::configuration_parser (configuration &conf,
		514	bool need_keys,
		515	int argc,
		516	char **argv)
		517	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
159	{	518	{
160	char *fname;	519	char *fname;
161	FILE *f;	520	FILE *f;
162		521
163	clear_config ();	522	conf.clear ();
164		523
165	asprintf (&fname, "%s/vped.conf", confbase);	524	asprintf (&fname, "%s/gvpe.conf", confbase);
166	f = fopen (fname, "r");	525	f = fopen (fname, "r");
167		526
168	if (f)	527	if (f)
169	{	528	{
170	char line[16384];	529	char line[16384];
171	int lineno = 0;	530	int lineno = 0;
172	char var, val;	531	node = &conf.default_node;
173	conf_node *node = &default_node;
174		532
175	while (fgets (line, sizeof (line), f))	533	while (fgets (line, sizeof (line), f))
176	{	534	{
177	lineno++;	535	lineno++;
178		536
179	{	537	const char *warn = parse_line (line);
180	char *end = line + strlen (line);
181		538
182	while (*end < ' ' && end >= line)	539	if (warn)
183	end--;	540	slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
184
185	*++end = 0;
186	}
187
188	char *tok = line;
189
190	retry:
191	var = strtok (tok, "\t =");
192	tok = 0;
193
194	if (!var \|\| !var[0])
195	continue; /* no tokens on this line */
196
197	if (var[0] == '#')
198	continue; /* comment: ignore */
199
200	val = strtok (NULL, "\t\n\r =");
201
202	if (!val \|\| val[0] == '#')
203	{
204	slog (L_WARN,
205	_("no value for variable `%s', at '%s' line %d"),
206	var, fname, lineno);
207	break;
208	}
209
210	if (!strcmp (var, "on"))
211	{
212	if (!::thisnode
213	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
214	\|\| !strcmp (val, ::thisnode))
215	goto retry;
216
217	continue;
218	}
219
220	// truly global
221	if (!strcmp (var, "loglevel"))
222	{
223	loglevel l = string_to_loglevel (val);
224
225	if (l != L_NONE)
226	llevel = l;
227	else
228	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
229	}
230	else if (!strcmp (var, "ip-proto"))
231	ip_proto = atoi (val);
232	else if (!strcmp (var, "icmp-type"))
233	icmp_type = atoi (val);
234
235	// per config
236	else if (!strcmp (var, "node"))
237	{
238	default_node.id++;
239
240	node = new conf_node (default_node);
241
242	nodes.push_back (node);
243
244	node->nodename = strdup (val);
245
246	{
247	char *fname;
248	FILE *f;
249
250	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
251
252	f = fopen (fname, "r");
253	if (f)
254	{
255	node->rsa_key = RSA_new ();
256
257	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
258	{
259	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
260	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
261	exit (1);
262	}
263
264	RSA_blinding_on (node->rsa_key, 0);
265
266	fclose (f);
267	}
268	else
269	{
270	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
271
272	if (need_keys)
273	exit (1);
274	}
275
276	free (fname);
277	}
278
279	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
280	thisnode = node;
281	}
282	else if (!strcmp (var, "private-key"))
283	prikeyfile = strdup (val);
284	else if (!strcmp (var, "ifpersist"))
285	{
286	parse_bool (ifpersist, "ifpersist", true, false);
287	}
288	else if (!strcmp (var, "ifname"))
289	ifname = strdup (val);
290	else if (!strcmp (var, "rekey"))
291	rekey = atoi (val);
292	else if (!strcmp (var, "keepalive"))
293	keepalive = atoi (val);
294	else if (!strcmp (var, "mtu"))
295	mtu = atoi (val);
296	else if (!strcmp (var, "if-up"))
297	script_if_up = strdup (val);
298	else if (!strcmp (var, "node-up"))
299	script_node_up = strdup (val);
300	else if (!strcmp (var, "node-down"))
301	script_node_down = strdup (val);
302	#if ENABLE_HTTP_PROXY
303	else if (!strcmp (var, "http-proxy-host"))
304	proxy_host = strdup (val);
305	else if (!strcmp (var, "http-proxy-port"))
306	proxy_port = atoi (val);
307	else if (!strcmp (var, "http-proxy-auth"))
308	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
309	#endif
310
311	/* node-specific, non-defaultable */
312	else if (node != &default_node && !strcmp (var, "hostname"))
313	{
314	free (node->hostname);
315	node->hostname = strdup (val);
316	}
317
318	/* node-specific, defaultable */
319	else if (!strcmp (var, "udp-port"))
320	node->udp_port = atoi (val);
321	else if (!strcmp (var, "tcp-port"))
322	node->tcp_port = atoi (val);
323	else if (!strcmp (var, "router-priority"))
324	node->routerprio = atoi (val);
325	else if (!strcmp (var, "connect"))
326	{
327	if (!strcmp (val, "ondemand"))
328	node->connectmode = conf_node::C_ONDEMAND;
329	else if (!strcmp (val, "never"))
330	node->connectmode = conf_node::C_NEVER;
331	else if (!strcmp (val, "always"))
332	node->connectmode = conf_node::C_ALWAYS;
333	else if (!strcmp (val, "disabled"))
334	node->connectmode = conf_node::C_DISABLED;
335	else
336	slog (L_WARN,
337	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
338	var, fname, lineno);
339	}
340	else if (!strcmp (var, "inherit-tos"))
341	{
342	parse_bool (node->inherit_tos, "inherit-tos", true, false);
343	}
344	else if (!strcmp (var, "compress"))
345	{
346	parse_bool (node->compress, "compress", true, false);
347	}
348	// all these bool options really really cost a lot of executable size!
349	else if (!strcmp (var, "enable-tcp"))
350	{
351	#if ENABLE_TCP
352	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
353	#endif
354	}
355	else if (!strcmp (var, "enable-icmp"))
356	{
357	#if ENABLE_ICMP
358	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
359	#endif
360	}
361	else if (!strcmp (var, "enable-udp"))
362	{
363	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
364	}
365	else if (!strcmp (var, "enable-rawip"))
366	{
367	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
368	}
369
370	// unknown or misplaced
371	else
372	slog (L_WARN,
373	_("unknown or misplaced variable `%s', at '%s' line %d"),
374	var, fname, lineno);
375	}	541	}
376		542
377	fclose (f);	543	fclose (f);
		544
		545	parse_argv ();
378	}	546	}
379	else	547	else
380	{	548	{
381	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	549	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
382	exit (1);	550	exit (EXIT_FAILURE);
383	}	551	}
384		552
385	free (fname);	553	free (fname);
386		554
387	fname = config_filename (prikeyfile, "hostkey");	555	fname = conf.config_filename (conf.prikeyfile, "hostkey");
388		556
389	f = fopen (fname, "r");	557	f = fopen (fname, "r");
390	if (f)	558	if (f)
391	{	559	{
392	rsa_key = RSA_new ();	560	conf.rsa_key = RSA_new ();
393		561
394	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	562	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
395	{	563	{
396	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	564	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
397	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));	565	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
398	exit (1);	566	exit (EXIT_FAILURE);
399	}	567	}
400		568
401	RSA_blinding_on (rsa_key, 0);	569	require (RSA_blinding_on (conf.rsa_key, 0));
402		570
403	fclose (f);	571	fclose (f);
404	}	572	}
405	else	573	else
406	{	574	{
407	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));	575	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
408		576
409	if (need_keys)	577	if (need_keys)
410	exit (1);	578	exit (EXIT_FAILURE);
		579	}
		580
		581	if (need_keys && ::thisnode
		582	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
		583	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
		584	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
		585	{
		586	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		587	exit (EXIT_FAILURE);
411	}	588	}
412		589
413	free (fname);	590	free (fname);
414	}	591	}
415		592
416	char configuration::config_filename (const char name, const char *dflt)	593	char configuration::config_filename (const char name, const char *dflt)
…		…
452	printf ("\n");	629	printf ("\n");
453	}	630	}
454		631
455	configuration::configuration ()	632	configuration::configuration ()
456	{	633	{
		634	asprintf (&confbase, "%s/gvpe", CONFDIR);
		635
457	init ();	636	init ();
458	}	637	}
459		638
460	configuration::~configuration ()	639	configuration::~configuration ()
461	{	640	{

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Comparing gvpe/src/conf.C (file contents): Revision 1.15 by pcg, Sun Apr 13 00:35:46 2003 UTC vs. Revision 1.43 by pcg, Thu Aug 7 16:34:21 2008 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.15 by pcg, Sun Apr 13 00:35:46 2003 UTC vs.
Revision 1.43 by pcg, Thu Aug 7 16:34:21 2008 UTC