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

Comparing gvpe/src/conf.C (file contents):
Revision 1.16 by pcg, Tue Oct 14 03:22:09 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 <arpa/inet.h>
38	#ifdef ENABLE_ICMP
39	# ifdef HAVE_NETINET_IN_SYSTM_H
40	# include <netinet/in_systm.h>
41	# endif
42	# ifdef HAVE_NETINET_IP_H
43	# include <netinet/ip.h>
44	# endif
45	# include <netinet/ip_icmp.h>
46	#endif
47		35
48	#include <openssl/err.h>	36	#include <openssl/err.h>
49	#include <openssl/pem.h>	37	#include <openssl/pem.h>
50	#include <openssl/rsa.h>	38	#include <openssl/rsa.h>
51	#include <openssl/rand.h>	39	#include <openssl/rand.h>
52		40	#include <openssl/bn.h>
53	#include "gettext.h"
54		41
55	#include "conf.h"	42	#include "conf.h"
56	#include "slog.h"	43	#include "slog.h"
57	#include "util.h"	44	#include "util.h"
58		45
59	char *confbase;	46	char *confbase;
60	char *thisnode;	47	char *thisnode;
61	char *identname;	48	char *identname;
62	char *pidfilename;
63		49
64	struct configuration conf;	50	struct configuration conf;
65		51
66	u8 best_protocol (u8 protset)	52	u8 best_protocol (u8 protset)
67	{	53	{
68	if (protset & PROT_IPv4 ) return PROT_IPv4;	54	if (protset & PROT_IPv4 ) return PROT_IPv4;
69	if (protset & PROT_ICMPv4) return PROT_ICMPv4;	55	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
70	if (protset & PROT_UDPv4 ) return PROT_UDPv4;	56	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
71	if (protset & PROT_TCPv4 ) return PROT_TCPv4;	57	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		58	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
72		59
73	return 0;	60	return 0;
74	}	61	}
75		62
76	const char *strprotocol (u8 protocol)	63	const char *strprotocol (u8 protocol)
77	{	64	{
78	if (protocol & PROT_IPv4 ) return "rawip";	65	if (protocol & PROT_IPv4 ) return "rawip";
79	if (protocol & PROT_ICMPv4) return "icmp";	66	if (protocol & PROT_ICMPv4) return "icmp";
80	if (protocol & PROT_UDPv4 ) return "udp";	67	if (protocol & PROT_UDPv4 ) return "udp";
81	if (protocol & PROT_TCPv4 ) return "tcp";	68	if (protocol & PROT_TCPv4 ) return "tcp";
		69	if (protocol & PROT_DNSv4 ) return "dns";
82		70
83	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;
84	}	96	}
85		97
86	void	98	void
87	conf_node::print ()	99	conf_node::print ()
88	{	100	{
…		…
100	);	112	);
101	}	113	}
102		114
103	conf_node::~conf_node ()	115	conf_node::~conf_node ()
104	{	116	{
		117	#if 0
		118	// does not work, because string pointers etc. are shared
		119	// is not called, however
105	if (rsa_key)	120	if (rsa_key)
106	RSA_free (rsa_key);	121	RSA_free (rsa_key);
107		122
108	free (nodename);	123	free (nodename);
109	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
110	}	131	}
111		132
112	void configuration::init ()	133	void configuration::init ()
113	{	134	{
114	memset (this, 0, sizeof (*this));	135	memset (this, 0, sizeof (*this));
115		136
		137	mtu = DEFAULT_MTU;
116	rekey = DEFAULT_REKEY;	138	rekey = DEFAULT_REKEY;
117	keepalive = DEFAULT_KEEPALIVE;	139	keepalive = DEFAULT_KEEPALIVE;
118	llevel = L_INFO;	140	llevel = L_INFO;
119	ip_proto = IPPROTO_GRE;	141	ip_proto = IPPROTO_GRE;
120	#if ENABLE_ICMP	142	#if ENABLE_ICMP
121	icmp_type = ICMP_ECHOREPLY;	143	icmp_type = ICMP_ECHOREPLY;
122	#endif	144	#endif
123		145
124	default_node.udp_port = DEFAULT_UDPPORT;	146	default_node.udp_port = DEFAULT_UDPPORT;
125	default_node.tcp_port = DEFAULT_UDPPORT;	147	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
126	default_node.connectmode = conf_node::C_ALWAYS;	148	default_node.connectmode = conf_node::C_ALWAYS;
127	default_node.compress = true;	149	default_node.compress = true;
128	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");
129	}	168	}
130		169
131	void configuration::cleanup()	170	void configuration::cleanup()
132	{	171	{
133	if (rsa_key)	172	if (rsa_key)
134	RSA_free (rsa_key);	173	RSA_free (rsa_key);
135		174
136	rsa_key = 0;	175	rsa_key = 0;
137		176
		177	free (pidfilename); pidfilename = 0;
138	free (ifname); ifname = 0;	178	free (ifname); ifname = 0;
139	#if ENABLE_HTTP_PROXY	179	#if ENABLE_HTTP_PROXY
140	free (proxy_host); proxy_host = 0;	180	free (proxy_host); proxy_host = 0;
141	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;
142	#endif	185	#endif
143	}	186	}
144		187
145	void	188	void
146	configuration::clear_config ()	189	configuration::clear ()
147	{	190	{
148	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)
149	delete *i;	192	delete *i;
150		193
151	nodes.clear ();	194	nodes.clear ();
152		195
153	cleanup ();	196	cleanup ();
154	init ();	197	init ();
155	}	198	}
156		199
157	#define parse_bool(target,name,trueval,falseval) \	200	#define parse_bool(target,name,trueval,falseval) do { \
158	if (!strcmp (val, "yes")) target = trueval; \	201	if (!strcmp (val, "yes")) target = trueval; \
159	else if (!strcmp (val, "no")) target = falseval; \	202	else if (!strcmp (val, "no")) target = falseval; \
160	else if (!strcmp (val, "true")) target = trueval; \	203	else if (!strcmp (val, "true")) target = trueval; \
161	else if (!strcmp (val, "false")) target = falseval; \	204	else if (!strcmp (val, "false")) target = falseval; \
162	else if (!strcmp (val, "on")) target = trueval; \	205	else if (!strcmp (val, "on")) target = trueval; \
163	else if (!strcmp (val, "off")) target = falseval; \	206	else if (!strcmp (val, "off")) target = falseval; \
164	else \	207	else \
165	slog (L_WARN, \	208	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed. (ignored)"); \
166	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \	209	} while (0)
167	name, var, fname, lineno);
168		210
169	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)
170	{	518	{
171	char *fname;	519	char *fname;
172	FILE *f;	520	FILE *f;
173		521
174	clear_config ();	522	conf.clear ();
175		523
176	asprintf (&fname, "%s/vped.conf", confbase);	524	asprintf (&fname, "%s/gvpe.conf", confbase);
177	f = fopen (fname, "r");	525	f = fopen (fname, "r");
178		526
179	if (f)	527	if (f)
180	{	528	{
181	char line[16384];	529	char line[16384];
182	int lineno = 0;	530	int lineno = 0;
183	char var, val;	531	node = &conf.default_node;
184	conf_node *node = &default_node;
185		532
186	while (fgets (line, sizeof (line), f))	533	while (fgets (line, sizeof (line), f))
187	{	534	{
188	lineno++;	535	lineno++;
189		536
190	{	537	const char *warn = parse_line (line);
191	char *end = line + strlen (line);
192		538
193	while (*end < ' ' && end >= line)	539	if (warn)
194	end--;	540	slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
195
196	*++end = 0;
197	}
198
199	char *tok = line;
200
201	retry:
202	var = strtok (tok, "\t =");
203	tok = 0;
204
205	if (!var \|\| !var[0])
206	continue; /* no tokens on this line */
207
208	if (var[0] == '#')
209	continue; /* comment: ignore */
210
211	val = strtok (NULL, "\t\n\r =");
212
213	if (!val \|\| val[0] == '#')
214	{
215	slog (L_WARN,
216	_("no value for variable `%s', at '%s' line %d"),
217	var, fname, lineno);
218	break;
219	}
220
221	if (!strcmp (var, "on"))
222	{
223	if (!::thisnode
224	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
225	\|\| !strcmp (val, ::thisnode))
226	goto retry;
227
228	continue;
229	}
230
231	// truly global
232	if (!strcmp (var, "loglevel"))
233	{
234	loglevel l = string_to_loglevel (val);
235
236	if (l != L_NONE)
237	llevel = l;
238	else
239	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
240	}
241	else if (!strcmp (var, "ip-proto"))
242	ip_proto = atoi (val);
243	#if ENABLE_ICMP
244	//TODO: error message
245	else if (!strcmp (var, "icmp-type"))
246	icmp_type = atoi (val);
247	#endif
248
249	// per config
250	else if (!strcmp (var, "node"))
251	{
252	default_node.id++;
253
254	node = new conf_node (default_node);
255
256	nodes.push_back (node);
257
258	node->nodename = strdup (val);
259
260	{
261	char *fname;
262	FILE *f;
263
264	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
265
266	f = fopen (fname, "r");
267	if (f)
268	{
269	node->rsa_key = RSA_new ();
270
271	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
272	{
273	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
274	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
275	exit (1);
276	}
277
278	RSA_blinding_on (node->rsa_key, 0);
279
280	fclose (f);
281	}
282	else
283	{
284	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
285
286	if (need_keys)
287	exit (1);
288	}
289
290	free (fname);
291	}
292
293	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
294	thisnode = node;
295	}
296	else if (!strcmp (var, "private-key"))
297	prikeyfile = strdup (val);
298	else if (!strcmp (var, "ifpersist"))
299	{
300	parse_bool (ifpersist, "ifpersist", true, false);
301	}
302	else if (!strcmp (var, "ifname"))
303	ifname = strdup (val);
304	else if (!strcmp (var, "rekey"))
305	rekey = atoi (val);
306	else if (!strcmp (var, "keepalive"))
307	keepalive = atoi (val);
308	else if (!strcmp (var, "mtu"))
309	mtu = atoi (val);
310	else if (!strcmp (var, "if-up"))
311	script_if_up = strdup (val);
312	else if (!strcmp (var, "node-up"))
313	script_node_up = strdup (val);
314	else if (!strcmp (var, "node-down"))
315	script_node_down = strdup (val);
316	#if ENABLE_HTTP_PROXY
317	else if (!strcmp (var, "http-proxy-host"))
318	proxy_host = strdup (val);
319	else if (!strcmp (var, "http-proxy-port"))
320	proxy_port = atoi (val);
321	else if (!strcmp (var, "http-proxy-auth"))
322	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
323	#endif
324
325	/* node-specific, non-defaultable */
326	else if (node != &default_node && !strcmp (var, "hostname"))
327	{
328	free (node->hostname);
329	node->hostname = strdup (val);
330	}
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, "router-priority"))
338	node->routerprio = atoi (val);
339	else if (!strcmp (var, "connect"))
340	{
341	if (!strcmp (val, "ondemand"))
342	node->connectmode = conf_node::C_ONDEMAND;
343	else if (!strcmp (val, "never"))
344	node->connectmode = conf_node::C_NEVER;
345	else if (!strcmp (val, "always"))
346	node->connectmode = conf_node::C_ALWAYS;
347	else if (!strcmp (val, "disabled"))
348	node->connectmode = conf_node::C_DISABLED;
349	else
350	slog (L_WARN,
351	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
352	var, fname, lineno);
353	}
354	else if (!strcmp (var, "inherit-tos"))
355	{
356	parse_bool (node->inherit_tos, "inherit-tos", true, false);
357	}
358	else if (!strcmp (var, "compress"))
359	{
360	parse_bool (node->compress, "compress", true, false);
361	}
362	// all these bool options really really cost a lot of executable size!
363	else if (!strcmp (var, "enable-tcp"))
364	{
365	#if ENABLE_TCP
366	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
367	#endif
368	}
369	else if (!strcmp (var, "enable-icmp"))
370	{
371	#if ENABLE_ICMP
372	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
373	#endif
374	}
375	else if (!strcmp (var, "enable-udp"))
376	{
377	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
378	}
379	else if (!strcmp (var, "enable-rawip"))
380	{
381	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
382	}
383
384	// unknown or misplaced
385	else
386	slog (L_WARN,
387	_("unknown or misplaced variable `%s', at '%s' line %d"),
388	var, fname, lineno);
389	}	541	}
390		542
391	fclose (f);	543	fclose (f);
		544
		545	parse_argv ();
392	}	546	}
393	else	547	else
394	{	548	{
395	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));
396	exit (1);	550	exit (EXIT_FAILURE);
397	}	551	}
398		552
399	free (fname);	553	free (fname);
400		554
401	fname = config_filename (prikeyfile, "hostkey");	555	fname = conf.config_filename (conf.prikeyfile, "hostkey");
402		556
403	f = fopen (fname, "r");	557	f = fopen (fname, "r");
404	if (f)	558	if (f)
405	{	559	{
406	rsa_key = RSA_new ();	560	conf.rsa_key = RSA_new ();
407		561
408	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	562	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
409	{	563	{
410	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	564	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
411	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));
412	exit (1);	566	exit (EXIT_FAILURE);
413	}	567	}
414		568
415	RSA_blinding_on (rsa_key, 0);	569	require (RSA_blinding_on (conf.rsa_key, 0));
416		570
417	fclose (f);	571	fclose (f);
418	}	572	}
419	else	573	else
420	{	574	{
421	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));
422		576
423	if (need_keys)	577	if (need_keys)
424	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);
425	}	588	}
426		589
427	free (fname);	590	free (fname);
428	}	591	}
429		592
430	char configuration::config_filename (const char name, const char *dflt)	593	char configuration::config_filename (const char name, const char *dflt)
…		…
466	printf ("\n");	629	printf ("\n");
467	}	630	}
468		631
469	configuration::configuration ()	632	configuration::configuration ()
470	{	633	{
		634	asprintf (&confbase, "%s/gvpe", CONFDIR);
		635
471	init ();	636	init ();
472	}	637	}
473		638
474	configuration::~configuration ()	639	configuration::~configuration ()
475	{	640	{

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Comparing gvpe/src/conf.C (file contents): Revision 1.16 by pcg, Tue Oct 14 03:22:09 2003 UTC vs. Revision 1.43 by pcg, Thu Aug 7 16:34:21 2008 UTC

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Comparing gvpe/src/conf.C (file contents):
Revision 1.16 by pcg, Tue Oct 14 03:22:09 2003 UTC vs.
Revision 1.43 by pcg, Thu Aug 7 16:34:21 2008 UTC