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

Comparing gvpe/src/conf.C (file contents):
Revision 1.38 by pcg, Wed Mar 23 17:03:58 2005 UTC vs.
Revision 1.54 by root, Tue Feb 15 13:31:23 2011 UTC

…		…
1	/*	1	/*
2	conf.c -- configuration code	2	conf.c -- configuration code
3	Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>	3	Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de>
4		4
5	This file is part of GVPE.	5	This file is part of GVPE.
6		6
7	GVPE is free software; you can redistribute it and/or modify	7	GVPE is free software; you can redistribute it and/or modify it
8	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
9	the Free Software Foundation; either version 2 of the License, or	9	Free Software Foundation; either version 3 of the License, or (at your
10	(at your option) any later version.	10	option) any later version.
11		11
12	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
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	13	WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15	GNU General Public License for more details.	15	Public License for more details.
16		16
17	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
18	along with gvpe; if not, write to the Free Software	18	with this program; if not, see <http://www.gnu.org/licenses/>.
19	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.
20	*/	30	*/
21		31
22	#include "config.h"	32	#include "config.h"
23		33
24	#include <cstdio>	34	#include <cstdio>
47	char *thisnode;	57	char *thisnode;
48	char *identname;	58	char *identname;
49		59
50	struct configuration conf;	60	struct configuration conf;
51		61
		62	u8
52	u8 best_protocol (u8 protset)	63	best_protocol (u8 protset)
53	{	64	{
54	if (protset & PROT_IPv4 ) return PROT_IPv4;	65	if (protset & PROT_IPv4 ) return PROT_IPv4;
55	if (protset & PROT_ICMPv4) return PROT_ICMPv4;	66	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
56	if (protset & PROT_UDPv4 ) return PROT_UDPv4;	67	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
57	if (protset & PROT_TCPv4 ) return PROT_TCPv4;	68	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
58	if (protset & PROT_DNSv4 ) return PROT_DNSv4;	69	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
59		70
60	return 0;	71	return 0;
61	}	72	}
62		73
		74	const char *
63	const char *strprotocol (u8 protocol)	75	strprotocol (u8 protocol)
64	{	76	{
65	if (protocol & PROT_IPv4 ) return "rawip";	77	if (protocol & PROT_IPv4 ) return "rawip";
66	if (protocol & PROT_ICMPv4) return "icmp";	78	if (protocol & PROT_ICMPv4) return "icmp";
67	if (protocol & PROT_UDPv4 ) return "udp";	79	if (protocol & PROT_UDPv4 ) return "udp";
68	if (protocol & PROT_TCPv4 ) return "tcp";	80	if (protocol & PROT_TCPv4 ) return "tcp";
69	if (protocol & PROT_DNSv4 ) return "dns";	81	if (protocol & PROT_DNSv4 ) return "dns";
70		82
71	return "<unknown>";	83	return "<unknown>";
72	}	84	}
73		85
74	void	86	static bool
75	conf_node::print ()	87	match_list (const vector<const char > &list, const char str)
76	{	88	{
77	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n",	89	for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
78	id,	90	if ((i)[0] == '' && !(*i)[1])
79	id >> 8, id & 0xff,	91	return true;
80	compress ? 'Y' : 'N',	92	else if (!strcmp (*i, str))
81	connectmode == C_ONDEMAND ? "ondemand" :	93	return true;
82	connectmode == C_NEVER ? "never" :	94
83	connectmode == C_ALWAYS ? "always" : "",	95	return false;
84	nodename,	96	}
85	hostname ? hostname : "",	97
86	hostname ? ":" : "",	98	bool
87	hostname ? udp_port : 0	99	conf_node::may_direct (struct conf_node *other)
88	);	100	{
		101	if (match_list (allow_direct, other->nodename))
		102	return true;
		103
		104	if (match_list (deny_direct, other->nodename))
		105	return false;
		106
		107	return true;
89	}	108	}
90		109
91	conf_node::~conf_node ()	110	conf_node::~conf_node ()
92	{	111	{
		112	#if 0
		113	// does not work, because string pointers etc. are shared
		114	// is not called, however
93	if (rsa_key)	115	if (rsa_key)
94	RSA_free (rsa_key);	116	RSA_free (rsa_key);
95		117
96	free (nodename);	118	free (nodename);
97	free (hostname);	119	free (hostname);
		120	free (if_up_data);
98	#if ENABLE_DNS	121	#if ENABLE_DNS
99	free (domain);	122	free (domain);
100	free (dns_hostname);	123	free (dns_hostname);
101	#endif	124	#endif
		125	#endif
102	}	126	}
103		127
		128	void
104	void configuration::init ()	129	configuration::init ()
105	{	130	{
106	memset (this, 0, sizeof (*this));	131	memset (this, 0, sizeof (*this));
107		132
108	mtu = DEFAULT_MTU;	133	mtu = DEFAULT_MTU;
		134	nfmark = 0;
109	rekey = DEFAULT_REKEY;	135	rekey = DEFAULT_REKEY;
110	keepalive = DEFAULT_KEEPALIVE;	136	keepalive = DEFAULT_KEEPALIVE;
111	llevel = L_INFO;	137	llevel = L_INFO;
112	ip_proto = IPPROTO_GRE;	138	ip_proto = IPPROTO_GRE;
113	#if ENABLE_ICMP	139	#if ENABLE_ICMP
…		…
118	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm	144	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
119	default_node.connectmode = conf_node::C_ALWAYS;	145	default_node.connectmode = conf_node::C_ALWAYS;
120	default_node.compress = true;	146	default_node.compress = true;
121	default_node.protocols = 0;	147	default_node.protocols = 0;
122	default_node.max_retry = DEFAULT_MAX_RETRY;	148	default_node.max_retry = DEFAULT_MAX_RETRY;
		149	default_node.max_ttl = DEFAULT_MAX_TTL;
		150	default_node.max_queue = DEFAULT_MAX_QUEUE;
		151	default_node.if_up_data = strdup ("");
123		152
124	#if ENABLE_DNS	153	#if ENABLE_DNS
125	default_node.dns_port = 0; // default is 0 == client	154	default_node.dns_port = 0; // default is 0 == client
126		155
127	dns_forw_host = strdup ("127.0.0.1");	156	dns_forw_host = strdup ("127.0.0.1");
…		…
133	#endif	162	#endif
134		163
135	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");	164	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
136	}	165	}
137		166
		167	void
138	void configuration::cleanup()	168	configuration::cleanup ()
139	{	169	{
140	if (rsa_key)	170	if (rsa_key)
141	RSA_free (rsa_key);	171	RSA_free (rsa_key);
142		172
143	rsa_key = 0;	173	rsa_key = 0;
144		174
145	free (pidfilename); pidfilename = 0;	175	free (pidfilename); pidfilename = 0;
146	free (ifname); ifname = 0;	176	free (ifname); ifname = 0;
147	#if ENABLE_HTTP_PROXY	177	#if ENABLE_HTTP_PROXY
148	free (proxy_host); proxy_host = 0;	178	free (proxy_host); proxy_host = 0;
149	free (proxy_auth); proxy_auth = 0;	179	free (proxy_auth); proxy_auth = 0;
150	#endif	180	#endif
151	#if ENABLE_DNS	181	#if ENABLE_DNS
152	free (dns_forw_host); dns_forw_host = 0;	182	free (dns_forw_host); dns_forw_host = 0;
153	#endif	183	#endif
		184	free (script_if_up); script_if_up = 0;
		185	free (script_node_up); script_node_up = 0;
		186	free (script_node_change); script_node_change = 0;
		187	free (script_node_down); script_node_down = 0;
154	}	188	}
155		189
156	void	190	void
157	configuration::clear_config ()	191	configuration::clear ()
158	{	192	{
159	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)	193	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
160	delete *i;	194	delete *i;
161		195
162	nodes.clear ();	196	nodes.clear ();
…		…
171	else if (!strcmp (val, "true")) target = trueval; \	205	else if (!strcmp (val, "true")) target = trueval; \
172	else if (!strcmp (val, "false")) target = falseval; \	206	else if (!strcmp (val, "false")) target = falseval; \
173	else if (!strcmp (val, "on")) target = trueval; \	207	else if (!strcmp (val, "on")) target = trueval; \
174	else if (!strcmp (val, "off")) target = falseval; \	208	else if (!strcmp (val, "off")) target = falseval; \
175	else \	209	else \
176	slog (L_WARN, \	210	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed. (ignored)"); \
177	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \
178	name, var, fname, lineno); \
179	} while (0)	211	} while (0)
180		212
181	void configuration::read_config (bool need_keys)	213	const char *
		214	configuration_parser::parse_line (char *line)
		215	{
		216	{
		217	char *end = line + strlen (line);
		218
		219	while (*end < ' ' && end >= line)
		220	end--;
		221
		222	*++end = 0;
		223	}
		224
		225	char *tok = line;
		226	const char *var = strtok (tok, "\t =");
		227	tok = 0;
		228
		229	if (!var \|\| !var[0])
		230	return 0; /* no tokens on this line */
		231
		232	if (var[0] == '#')
		233	return 0; /* comment: ignore */
		234
		235	char *val = strtok (NULL, "\t\n\r =");
		236
		237	if (!val \|\| val[0] == '#')
		238	return _("no value given for variable. (ignored)");
		239
		240	if (!strcmp (var, "on"))
		241	{
		242	if (!::thisnode
		243	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		244	\|\| !strcmp (val, ::thisnode))
		245	return parse_line (strtok (NULL, "\n\r"));
		246	else
		247	return 0;
		248	}
		249
		250	// truly global
		251	if (!strcmp (var, "loglevel"))
		252	{
		253	loglevel l = string_to_loglevel (val);
		254
		255	if (l == L_NONE)
		256	return _("unknown loglevel. (skipping)");
		257	}
		258	else if (!strcmp (var, "ip-proto"))
		259	conf.ip_proto = atoi (val);
		260	else if (!strcmp (var, "icmp-type"))
		261	{
		262	#if ENABLE_ICMP
		263	conf.icmp_type = atoi (val);
		264	#endif
		265	}
		266
		267	// per config
		268	else if (!strcmp (var, "node"))
		269	{
		270	parse_argv ();
		271
		272	conf.default_node.id++;
		273	node = new conf_node (conf.default_node);
		274	conf.nodes.push_back (node);
		275	node->nodename = strdup (val);
		276
		277	{
		278	char *fname;
		279	FILE *f;
		280
		281	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
		282
		283	f = fopen (fname, "r");
		284	if (f)
		285	{
		286	node->rsa_key = RSA_new ();
		287
		288	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		289	{
		290	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		291	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		292	exit (EXIT_FAILURE);
		293	}
		294
		295	require (RSA_blinding_on (node->rsa_key, 0));
		296
		297	fclose (f);
		298	}
		299	else
		300	{
		301	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		302
		303	if (need_keys)
		304	exit (EXIT_FAILURE);
		305	}
		306
		307	free (fname);
		308	}
		309
		310	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		311	conf.thisnode = node;
		312	}
		313	else if (!strcmp (var, "private-key"))
		314	free (conf.prikeyfile), conf.prikeyfile = strdup (val);
		315	else if (!strcmp (var, "ifpersist"))
		316	parse_bool (conf.ifpersist, "ifpersist", true, false);
		317	else if (!strcmp (var, "ifname"))
		318	free (conf.ifname), conf.ifname = strdup (val);
		319	else if (!strcmp (var, "rekey"))
		320	conf.rekey = atoi (val);
		321	else if (!strcmp (var, "keepalive"))
		322	conf.keepalive = atoi (val);
		323	else if (!strcmp (var, "mtu"))
		324	conf.mtu = atoi (val);
		325	else if (!strcmp (var, "nfmark"))
		326	conf.nfmark = atoi (val);
		327	else if (!strcmp (var, "if-up"))
		328	free (conf.script_if_up), conf.script_if_up = strdup (val);
		329	else if (!strcmp (var, "node-up"))
		330	free (conf.script_node_up), conf.script_node_up = strdup (val);
		331	else if (!strcmp (var, "node-change"))
		332	free (conf.script_node_change), conf.script_node_change = strdup (val);
		333	else if (!strcmp (var, "node-down"))
		334	free (conf.script_node_down), conf.script_node_down = strdup (val);
		335	else if (!strcmp (var, "pid-file"))
		336	free (conf.pidfilename), conf.pidfilename = strdup (val);
		337	else if (!strcmp (var, "dns-forw-host"))
		338	{
		339	#if ENABLE_DNS
		340	free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
		341	#endif
		342	}
		343	else if (!strcmp (var, "dns-forw-port"))
		344	{
		345	#if ENABLE_DNS
		346	conf.dns_forw_port = atoi (val);
		347	#endif
		348	}
		349	else if (!strcmp (var, "dns-timeout-factor"))
		350	{
		351	#if ENABLE_DNS
		352	conf.dns_timeout_factor = atof (val);
		353	#endif
		354	}
		355	else if (!strcmp (var, "dns-send-interval"))
		356	{
		357	#if ENABLE_DNS
		358	conf.dns_send_interval = atoi (val);
		359	#endif
		360	}
		361	else if (!strcmp (var, "dns-overlap-factor"))
		362	{
		363	#if ENABLE_DNS
		364	conf.dns_overlap_factor = atof (val);
		365	#endif
		366	}
		367	else if (!strcmp (var, "dns-max-outstanding"))
		368	{
		369	#if ENABLE_DNS
		370	conf.dns_max_outstanding = atoi (val);
		371	#endif
		372	}
		373	else if (!strcmp (var, "http-proxy-host"))
		374	{
		375	#if ENABLE_HTTP_PROXY
		376	free (conf.proxy_host), conf.proxy_host = strdup (val);
		377	#endif
		378	}
		379	else if (!strcmp (var, "http-proxy-port"))
		380	{
		381	#if ENABLE_HTTP_PROXY
		382	conf.proxy_port = atoi (val);
		383	#endif
		384	}
		385	else if (!strcmp (var, "http-proxy-auth"))
		386	{
		387	#if ENABLE_HTTP_PROXY
		388	conf.proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		389	#endif
		390	}
		391
		392	/* node-specific, non-defaultable */
		393	else if (node != &conf.default_node && !strcmp (var, "hostname"))
		394	free (node->hostname), node->hostname = strdup (val);
		395
		396	/* node-specific, defaultable */
		397	else if (!strcmp (var, "udp-port"))
		398	node->udp_port = atoi (val);
		399	else if (!strcmp (var, "tcp-port"))
		400	node->tcp_port = atoi (val);
		401	else if (!strcmp (var, "dns-hostname"))
		402	{
		403	#if ENABLE_DNS
		404	free (node->dns_hostname), node->dns_hostname = strdup (val);
		405	#endif
		406	}
		407	else if (!strcmp (var, "dns-port"))
		408	{
		409	#if ENABLE_DNS
		410	node->dns_port = atoi (val);
		411	#endif
		412	}
		413	else if (!strcmp (var, "dns-domain"))
		414	{
		415	#if ENABLE_DNS
		416	free (node->domain), node->domain = strdup (val);
		417	#endif
		418	}
		419	else if (!strcmp (var, "if-up-data"))
		420	free (node->if_up_data), node->if_up_data = strdup (val);
		421	else if (!strcmp (var, "router-priority"))
		422	node->routerprio = atoi (val);
		423	else if (!strcmp (var, "max-retry"))
		424	node->max_retry = atoi (val);
		425	else if (!strcmp (var, "connect"))
		426	{
		427	if (!strcmp (val, "ondemand"))
		428	node->connectmode = conf_node::C_ONDEMAND;
		429	else if (!strcmp (val, "never"))
		430	node->connectmode = conf_node::C_NEVER;
		431	else if (!strcmp (val, "always"))
		432	node->connectmode = conf_node::C_ALWAYS;
		433	else if (!strcmp (val, "disabled"))
		434	node->connectmode = conf_node::C_DISABLED;
		435	else
		436	return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
		437	}
		438	else if (!strcmp (var, "inherit-tos"))
		439	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		440	else if (!strcmp (var, "compress"))
		441	parse_bool (node->compress, "compress", true, false);
		442	// all these bool options really really cost a lot of executable size!
		443	else if (!strcmp (var, "enable-tcp"))
		444	{
		445	#if ENABLE_TCP
		446	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		447	#endif
		448	}
		449	else if (!strcmp (var, "enable-icmp"))
		450	{
		451	#if ENABLE_ICMP
		452	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		453	#endif
		454	}
		455	else if (!strcmp (var, "enable-dns"))
		456	{
		457	#if ENABLE_DNS
		458	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		459	#endif
		460	}
		461	else if (!strcmp (var, "enable-udp"))
		462	{
		463	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		464	}
		465	else if (!strcmp (var, "enable-rawip"))
		466	{
		467	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		468	}
		469	else if (!strcmp (var, "allow-direct"))
		470	node->allow_direct.push_back (strdup (val));
		471	else if (!strcmp (var, "deny-direct"))
		472	node->deny_direct.push_back (strdup (val));
		473	else if (!strcmp (var, "max-ttl"))
		474	node->max_ttl = atof (val);
		475	else if (!strcmp (var, "max-queue"))
		476	node->max_queue = atoi (val);
		477
		478	// unknown or misplaced
		479	else
		480	return _("unknown configuration directive. (ignored)");
		481
		482	return 0;
		483	}
		484
		485	void
		486	conf_node::finalise ()
		487	{
		488	if (max_queue < 1)
		489	{
		490	slog (L_WARN, _("%s: max-queue value invalid, setting it to 1."), nodename);
		491	max_queue = 1;
		492	}
		493
		494	if (routerprio > 1 && (connectmode != C_ALWAYS && connectmode != C_DISABLED))
		495	{
		496	//slog (L_WARN, _("%s: has non-zero router-priority but either 'never' or 'ondemand' as connectmode, setting it to 'always'."), nodename);
		497	connectmode = C_ALWAYS;
		498	}
		499	}
		500
		501	void
		502	configuration_parser::parse_argv ()
		503	{
		504	for (int i = 0; i < argc; ++i)
		505	{
		506	char *v = argv [i];
		507
		508	if (!*v)
		509	continue;
		510
		511	char *enode = v;
		512
		513	while (enode != '.' && enode > ' ' && enode != '=' && enode)
		514	enode++;
		515
		516	if (*enode != '.')
		517	enode = 0;
		518
		519	char *wnode = node == &conf.default_node
		520	? 0
		521	: node->nodename;
		522
		523	if ((!wnode && !enode)
		524	\|\| (wnode && enode && !strncmp (wnode, v, enode - v)))
		525	{
		526	const char *warn = parse_line (enode ? enode + 1 : v);
		527
		528	if (warn)
		529	slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
		530
		531	*v = 0;
		532	}
		533	}
		534	}
		535
		536	configuration_parser::configuration_parser (configuration &conf,
		537	bool need_keys,
		538	int argc,
		539	char **argv)
		540	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
182	{	541	{
183	char *fname;	542	char *fname;
184	FILE *f;	543	FILE *f;
185		544
186	clear_config ();	545	conf.clear ();
187		546
188	asprintf (&fname, "%s/gvpe.conf", confbase);	547	asprintf (&fname, "%s/gvpe.conf", confbase);
189	f = fopen (fname, "r");	548	f = fopen (fname, "r");
190		549
191	if (f)	550	if (f)
192	{	551	{
193	char line[16384];	552	char line[16384];
194	int lineno = 0;	553	int lineno = 0;
195	char var, val;	554	node = &conf.default_node;
196	conf_node *node = &default_node;
197		555
198	while (fgets (line, sizeof (line), f))	556	while (fgets (line, sizeof (line), f))
199	{	557	{
200	lineno++;	558	lineno++;
201		559
202	{	560	const char *warn = parse_line (line);
203	char *end = line + strlen (line);
204		561
205	while (*end < ' ' && end >= line)	562	if (warn)
206	end--;	563	slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
207
208	*++end = 0;
209	}
210
211	char *tok = line;
212
213	retry:
214	var = strtok (tok, "\t =");
215	tok = 0;
216
217	if (!var \|\| !var[0])
218	continue; /* no tokens on this line */
219
220	if (var[0] == '#')
221	continue; /* comment: ignore */
222
223	val = strtok (NULL, "\t\n\r =");
224
225	if (!val \|\| val[0] == '#')
226	{
227	slog (L_WARN,
228	_("no value for variable `%s', at '%s' line %d, skipping."),
229	var, fname, lineno);
230	continue;
231	}
232
233	if (!strcmp (var, "on"))
234	{
235	if (!::thisnode
236	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
237	\|\| !strcmp (val, ::thisnode))
238	goto retry;
239
240	continue;
241	}
242
243	// truly global
244	if (!strcmp (var, "loglevel"))
245	{
246	loglevel l = string_to_loglevel (val);
247
248	if (l != L_NONE)
249	llevel = l;
250	else
251	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
252	}
253	else if (!strcmp (var, "ip-proto"))
254	ip_proto = atoi (val);
255	else if (!strcmp (var, "icmp-type"))
256	{
257	#if ENABLE_ICMP
258	icmp_type = atoi (val);
259	#endif
260	}
261
262	// per config
263	else if (!strcmp (var, "node"))
264	{
265	default_node.id++;
266
267	node = new conf_node (default_node);
268
269	nodes.push_back (node);
270
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	thisnode = node;
308	}
309	else if (!strcmp (var, "private-key"))
310	free (prikeyfile), prikeyfile = strdup (val);
311	else if (!strcmp (var, "ifpersist"))
312	parse_bool (ifpersist, "ifpersist", true, false);
313	else if (!strcmp (var, "ifname"))
314	free (ifname), ifname = strdup (val);
315	else if (!strcmp (var, "rekey"))
316	rekey = atoi (val);
317	else if (!strcmp (var, "keepalive"))
318	keepalive = atoi (val);
319	else if (!strcmp (var, "mtu"))
320	mtu = atoi (val);
321	else if (!strcmp (var, "if-up"))
322	free (script_if_up), script_if_up = strdup (val);
323	else if (!strcmp (var, "node-up"))
324	free (script_node_up), script_node_up = strdup (val);
325	else if (!strcmp (var, "node-down"))
326	free (script_node_down), script_node_down = strdup (val);
327	else if (!strcmp (var, "pid-file"))
328	free (pidfilename), pidfilename = strdup (val);
329	else if (!strcmp (var, "dns-forw-host"))
330	{
331	#if ENABLE_DNS
332	free (dns_forw_host), dns_forw_host = strdup (val);
333	#endif
334	}
335	else if (!strcmp (var, "dns-forw-port"))
336	{
337	#if ENABLE_DNS
338	dns_forw_port = atoi (val);
339	#endif
340	}
341	else if (!strcmp (var, "dns-timeout-factor"))
342	{
343	#if ENABLE_DNS
344	dns_timeout_factor = atof (val);
345	#endif
346	}
347	else if (!strcmp (var, "dns-send-interval"))
348	{
349	#if ENABLE_DNS
350	dns_send_interval = atoi (val);
351	#endif
352	}
353	else if (!strcmp (var, "dns-overlap-factor"))
354	{
355	#if ENABLE_DNS
356	dns_overlap_factor = atof (val);
357	#endif
358	}
359	else if (!strcmp (var, "dns-max-outstanding"))
360	{
361	#if ENABLE_DNS
362	dns_max_outstanding = atoi (val);
363	#endif
364	}
365	else if (!strcmp (var, "http-proxy-host"))
366	{
367	#if ENABLE_HTTP_PROXY
368	free (proxy_host), proxy_host = strdup (val);
369	#endif
370	}
371	else if (!strcmp (var, "http-proxy-port"))
372	{
373	#if ENABLE_HTTP_PROXY
374	proxy_port = atoi (val);
375	#endif
376	}
377	else if (!strcmp (var, "http-proxy-auth"))
378	{
379	#if ENABLE_HTTP_PROXY
380	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
381	#endif
382	}
383
384	/* node-specific, non-defaultable */
385	else if (node != &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, "router-priority"))
412	node->routerprio = atoi (val);
413	else if (!strcmp (var, "max-retry"))
414	node->max_retry = atoi (val);
415	else if (!strcmp (var, "connect"))
416	{
417	if (!strcmp (val, "ondemand"))
418	node->connectmode = conf_node::C_ONDEMAND;
419	else if (!strcmp (val, "never"))
420	node->connectmode = conf_node::C_NEVER;
421	else if (!strcmp (val, "always"))
422	node->connectmode = conf_node::C_ALWAYS;
423	else if (!strcmp (val, "disabled"))
424	node->connectmode = conf_node::C_DISABLED;
425	else
426	slog (L_WARN,
427	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d, ignoring."),
428	var, fname, lineno);
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
462	// unknown or misplaced
463	else
464	slog (L_WARN,
465	_("unknown or misplaced variable `%s', at '%s' line %d, skipping."),
466	var, fname, lineno);
467	}	564	}
468		565
469	fclose (f);	566	fclose (f);
		567
		568	parse_argv ();
470	}	569	}
471	else	570	else
472	{	571	{
473	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	572	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
474	exit (EXIT_FAILURE);	573	exit (EXIT_FAILURE);
475	}	574	}
476		575
477	free (fname);	576	free (fname);
478		577
479	fname = config_filename (prikeyfile, "hostkey");	578	fname = conf.config_filename (conf.prikeyfile, "hostkey");
480		579
481	f = fopen (fname, "r");	580	f = fopen (fname, "r");
482	if (f)	581	if (f)
483	{	582	{
484	rsa_key = RSA_new ();	583	conf.rsa_key = RSA_new ();
485		584
486	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	585	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
487	{	586	{
488	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	587	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
489	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));	588	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
490	exit (EXIT_FAILURE);	589	exit (EXIT_FAILURE);
491	}	590	}
492		591
493	require (RSA_blinding_on (rsa_key, 0));	592	require (RSA_blinding_on (conf.rsa_key, 0));
494		593
495	fclose (f);	594	fclose (f);
496	}	595	}
497	else	596	else
498	{	597	{
…		…
501	if (need_keys)	600	if (need_keys)
502	exit (EXIT_FAILURE);	601	exit (EXIT_FAILURE);
503	}	602	}
504		603
505	if (need_keys && ::thisnode	604	if (need_keys && ::thisnode
506	&& rsa_key && thisnode && thisnode->rsa_key)	605	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
507	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0	606	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
508	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)	607	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
509	{	608	{
510	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);	609	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
511	exit (EXIT_FAILURE);	610	exit (EXIT_FAILURE);
512	}	611	}
513		612
514	free (fname);	613	free (fname);
515	}
516		614
		615	for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
		616	(*i)->finalise ();
		617	}
		618
		619	char *
517	char configuration::config_filename (const char name, const char *dflt)	620	configuration::config_filename (const char name, const char dflt)
518	{	621	{
519	char *fname;	622	char *fname;
520		623
521	asprintf (&fname, name ? name : dflt, ::thisnode);	624	asprintf (&fname, name ? name : dflt, ::thisnode);
522		625
…		…
526	asprintf (&fname, "%s/%s", confbase, rname);	629	asprintf (&fname, "%s/%s", confbase, rname);
527	free (rname);	630	free (rname);
528	}	631	}
529		632
530	return fname;	633	return fname;
		634	}
		635
		636	void
		637	conf_node::print ()
		638	{
		639	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %02x %s%s%d\n",
		640	id,
		641	id >> 8, id & 0xff,
		642	compress ? 'Y' : 'N',
		643	connectmode == C_ONDEMAND ? "ondemand"
		644	: connectmode == C_NEVER ? "never"
		645	: connectmode == C_ALWAYS ? "always"
		646	: connectmode == C_DISABLED ? "disabled"
		647	: "",
		648	nodename,
		649	protocols,
		650	hostname ? hostname : "",
		651	hostname ? ":" : "",
		652	hostname ? udp_port : 0
		653	);
531	}	654	}
532		655
533	void	656	void
534	configuration::print ()	657	configuration::print ()
535	{	658	{
…		…
542	printf (_("interface: %s\n"), ifname);	665	printf (_("interface: %s\n"), ifname);
543	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");	666	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
544	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);	667	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
545	printf ("\n");	668	printf ("\n");
546		669
547	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	670	printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n",
548	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));	671	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port"));
549		672
550	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)	673	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
551	(*i)->print ();	674	(*i)->print ();
552		675
553	printf ("\n");	676	printf ("\n");
…		…
563	configuration::~configuration ()	686	configuration::~configuration ()
564	{	687	{
565	cleanup ();	688	cleanup ();
566	}	689	}
567		690
568

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Comparing gvpe/src/conf.C (file contents): Revision 1.38 by pcg, Wed Mar 23 17:03:58 2005 UTC vs. Revision 1.54 by root, Tue Feb 15 13:31:23 2011 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.38 by pcg, Wed Mar 23 17:03:58 2005 UTC vs.
Revision 1.54 by root, Tue Feb 15 13:31:23 2011 UTC