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

Comparing gvpe/src/conf.C (file contents):
Revision 1.39 by pcg, Sat Mar 26 03:16:24 2005 UTC vs.
Revision 1.57 by root, Sat Dec 17 22:05:34 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) 2003-2008,2011 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	{
		65	#if 1//D2
		66	if (protset & PROT_IPv42 ) return PROT_IPv42;
		67	#endif
54	if (protset & PROT_IPv4 ) return PROT_IPv4;	68	if (protset & PROT_IPv4 ) return PROT_IPv4;
55	if (protset & PROT_ICMPv4) return PROT_ICMPv4;	69	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
56	if (protset & PROT_UDPv4 ) return PROT_UDPv4;	70	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
57	if (protset & PROT_TCPv4 ) return PROT_TCPv4;	71	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
58	if (protset & PROT_DNSv4 ) return PROT_DNSv4;	72	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
59		73
60	return 0;	74	return 0;
61	}	75	}
62		76
		77	const char *
63	const char *strprotocol (u8 protocol)	78	strprotocol (u8 protocol)
64	{	79	{
		80	#if 1//D2
		81	if (protocol & PROT_IPv42 ) return "rawip2";
		82	#endif
65	if (protocol & PROT_IPv4 ) return "rawip";	83	if (protocol & PROT_IPv4 ) return "rawip";
66	if (protocol & PROT_ICMPv4) return "icmp";	84	if (protocol & PROT_ICMPv4) return "icmp";
67	if (protocol & PROT_UDPv4 ) return "udp";	85	if (protocol & PROT_UDPv4 ) return "udp";
68	if (protocol & PROT_TCPv4 ) return "tcp";	86	if (protocol & PROT_TCPv4 ) return "tcp";
69	if (protocol & PROT_DNSv4 ) return "dns";	87	if (protocol & PROT_DNSv4 ) return "dns";
70		88
71	return "<unknown>";	89	return "<unknown>";
72	}	90	}
73		91
74	void	92	static bool
75	conf_node::print ()	93	match_list (const vector<const char > &list, const char str)
76	{	94	{
77	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n",	95	for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
78	id,	96	if ((i)[0] == '' && !(*i)[1])
79	id >> 8, id & 0xff,	97	return true;
80	compress ? 'Y' : 'N',	98	else if (!strcmp (*i, str))
81	connectmode == C_ONDEMAND ? "ondemand" :	99	return true;
82	connectmode == C_NEVER ? "never" :	100
83	connectmode == C_ALWAYS ? "always" : "",	101	return false;
84	nodename,	102	}
85	hostname ? hostname : "",	103
86	hostname ? ":" : "",	104	bool
87	hostname ? udp_port : 0	105	conf_node::may_direct (struct conf_node *other)
88	);	106	{
		107	if (match_list (allow_direct, other->nodename))
		108	return true;
		109
		110	if (match_list (deny_direct, other->nodename))
		111	return false;
		112
		113	return true;
89	}	114	}
90		115
91	conf_node::~conf_node ()	116	conf_node::~conf_node ()
92	{	117	{
93	#if 0	118	#if 0
…		…
104	free (dns_hostname);	129	free (dns_hostname);
105	#endif	130	#endif
106	#endif	131	#endif
107	}	132	}
108		133
		134	void
109	void configuration::init ()	135	configuration::init ()
110	{	136	{
111	memset (this, 0, sizeof (*this));	137	memset (this, 0, sizeof (*this));
112		138
113	mtu = DEFAULT_MTU;	139	mtu = DEFAULT_MTU;
		140	nfmark = 0;
114	rekey = DEFAULT_REKEY;	141	rekey = DEFAULT_REKEY;
115	keepalive = DEFAULT_KEEPALIVE;	142	keepalive = DEFAULT_KEEPALIVE;
116	llevel = L_INFO;	143	llevel = L_INFO;
117	ip_proto = IPPROTO_GRE;	144	ip_proto = IPPROTO_GRE;
		145	#if 1 //D2
		146	ip2_proto = 7;
		147	#endif
118	#if ENABLE_ICMP	148	#if ENABLE_ICMP
119	icmp_type = ICMP_ECHOREPLY;	149	icmp_type = ICMP_ECHOREPLY;
120	#endif	150	#endif
121		151
122	default_node.udp_port = DEFAULT_UDPPORT;	152	default_node.udp_port = DEFAULT_UDPPORT;
123	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm	153	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
124	default_node.connectmode = conf_node::C_ALWAYS;	154	default_node.connectmode = conf_node::C_ALWAYS;
125	default_node.compress = true;	155	default_node.compress = true;
126	default_node.protocols = 0;	156	default_node.protocols = 0;
127	default_node.max_retry = DEFAULT_MAX_RETRY;	157	default_node.max_retry = DEFAULT_MAX_RETRY;
		158	default_node.max_ttl = DEFAULT_MAX_TTL;
		159	default_node.max_queue = DEFAULT_MAX_QUEUE;
128	default_node.if_up_data = strdup ("");	160	default_node.if_up_data = strdup ("");
129		161
130	#if ENABLE_DNS	162	#if ENABLE_DNS
131	default_node.dns_port = 0; // default is 0 == client	163	default_node.dns_port = 0; // default is 0 == client
132		164
		165	dns_case_preserving = true;
133	dns_forw_host = strdup ("127.0.0.1");	166	dns_forw_host = strdup ("127.0.0.1");
134	dns_forw_port = 53;	167	dns_forw_port = 53;
135	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;	168	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
136	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;	169	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
137	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;	170	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
…		…
139	#endif	172	#endif
140		173
141	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");	174	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
142	}	175	}
143		176
		177	void
144	void configuration::cleanup()	178	configuration::cleanup ()
145	{	179	{
146	if (rsa_key)	180	if (rsa_key)
147	RSA_free (rsa_key);	181	RSA_free (rsa_key);
148		182
149	rsa_key = 0;	183	rsa_key = 0;
150		184
151	free (pidfilename); pidfilename = 0;	185	free (pidfilename); pidfilename = 0;
152	free (ifname); ifname = 0;	186	free (ifname); ifname = 0;
153	#if ENABLE_HTTP_PROXY	187	#if ENABLE_HTTP_PROXY
154	free (proxy_host); proxy_host = 0;	188	free (proxy_host); proxy_host = 0;
155	free (proxy_auth); proxy_auth = 0;	189	free (proxy_auth); proxy_auth = 0;
156	#endif	190	#endif
157	#if ENABLE_DNS	191	#if ENABLE_DNS
158	free (dns_forw_host); dns_forw_host = 0;	192	free (dns_forw_host); dns_forw_host = 0;
159	#endif	193	#endif
		194	free (script_if_up); script_if_up = 0;
		195	free (script_node_up); script_node_up = 0;
		196	free (script_node_change); script_node_change = 0;
		197	free (script_node_down); script_node_down = 0;
160	}	198	}
161		199
162	void	200	void
163	configuration::clear_config ()	201	configuration::clear ()
164	{	202	{
165	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)	203	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
166	delete *i;	204	delete *i;
167		205
168	nodes.clear ();	206	nodes.clear ();
169		207
170	cleanup ();	208	cleanup ();
171	init ();	209	init ();
172	}	210	}
		211
		212	//static bool
		213	//is_true (const char *name)
		214	//{
		215	//re
		216	//}
173		217
174	#define parse_bool(target,name,trueval,falseval) do { \	218	#define parse_bool(target,name,trueval,falseval) do { \
175	if (!strcmp (val, "yes")) target = trueval; \	219	if (!strcmp (val, "yes")) target = trueval; \
176	else if (!strcmp (val, "no")) target = falseval; \	220	else if (!strcmp (val, "no")) target = falseval; \
177	else if (!strcmp (val, "true")) target = trueval; \	221	else if (!strcmp (val, "true")) target = trueval; \
178	else if (!strcmp (val, "false")) target = falseval; \	222	else if (!strcmp (val, "false")) target = falseval; \
179	else if (!strcmp (val, "on")) target = trueval; \	223	else if (!strcmp (val, "on")) target = trueval; \
180	else if (!strcmp (val, "off")) target = falseval; \	224	else if (!strcmp (val, "off")) target = falseval; \
181	else \	225	else \
182	slog (L_WARN, \
183	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \	226	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed, ignored"); \
184	name, var, fname, lineno); \
185	} while (0)	227	} while (0)
186		228
187	void configuration::read_config (bool need_keys)	229	const char *
		230	configuration_parser::parse_line (char *line)
188	{	231	{
		232	{
		233	char *end = line + strlen (line);
		234
		235	while (*end < ' ' && end >= line)
		236	end--;
		237
		238	*++end = 0;
		239	}
		240
		241	char *tok = line;
		242	const char *var = strtok (tok, "\t =");
		243	tok = 0;
		244
		245	if (!var \|\| !var[0])
		246	return 0; /* no tokens on this line */
		247
		248	if (var[0] == '#')
		249	return 0; /* comment: ignore */
		250
		251	char *val = strtok (NULL, "\t\n\r =");
		252
		253	if (!val \|\| val[0] == '#')
		254	return _("no value given for variable, ignored");
		255
		256	else if (!strcmp (var, "on"))
		257	{
		258	if (::thisnode
		259	&& ((val[0] == '!' && strcmp (val + 1, ::thisnode))
		260	\|\| !strcmp (val, ::thisnode)))
		261	return parse_line (strtok (NULL, "\n\r"));
		262	}
		263
		264	else if (!strcmp (var, "include"))
		265	{
		266	char *fname = conf.config_filename (val);
		267	parse_file (fname);
		268	free (fname);
		269	}
		270
		271	// truly global
		272	else if (!strcmp (var, "loglevel"))
		273	{
		274	loglevel l = string_to_loglevel (val);
		275
		276	if (l == L_NONE)
		277	return _("unknown loglevel, ignored");
		278	}
		279	else if (!strcmp (var, "ip-proto"))
		280	conf.ip_proto = atoi (val);
		281	#if 1 //D2
		282	else if (!strcmp (var, "ip2-proto"))
		283	conf.ip2_proto = atoi (val);
		284	#endif
		285	else if (!strcmp (var, "icmp-type"))
		286	{
		287	#if ENABLE_ICMP
		288	conf.icmp_type = atoi (val);
		289	#endif
		290	}
		291
		292	// per config
		293	else if (!strcmp (var, "node"))
		294	{
		295	parse_argv ();
		296
		297	conf.default_node.id++;
		298	node = new conf_node (conf.default_node);
		299	conf.nodes.push_back (node);
		300	node->nodename = strdup (val);
		301
		302	{
189	char *fname;	303	char *fname;
190	FILE *f;	304	FILE *f;
191		305
192	clear_config ();	306	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
193		307
194	asprintf (&fname, "%s/gvpe.conf", confbase);
195	f = fopen (fname, "r");	308	f = fopen (fname, "r");
		309	if (f)
		310	{
		311	node->rsa_key = RSA_new ();
196		312
197	if (f)	313	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		314	{
		315	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		316	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		317	exit (EXIT_FAILURE);
		318	}
		319
		320	require (RSA_blinding_on (node->rsa_key, 0));
		321
		322	fclose (f);
		323	}
		324	else
		325	{
		326	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		327
		328	if (need_keys)
		329	exit (EXIT_FAILURE);
		330	}
		331
		332	free (fname);
		333	}
		334
		335	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		336	conf.thisnode = node;
198	{	337	}
		338	else if (!strcmp (var, "private-key"))
		339	free (conf.prikeyfile), conf.prikeyfile = strdup (val);
		340	else if (!strcmp (var, "ifpersist"))
		341	parse_bool (conf.ifpersist, "ifpersist", true, false);
		342	else if (!strcmp (var, "ifname"))
		343	free (conf.ifname), conf.ifname = strdup (val);
		344	else if (!strcmp (var, "rekey"))
		345	conf.rekey = atoi (val);
		346	else if (!strcmp (var, "keepalive"))
		347	conf.keepalive = atoi (val);
		348	else if (!strcmp (var, "mtu"))
		349	conf.mtu = atoi (val);
		350	else if (!strcmp (var, "nfmark"))
		351	conf.nfmark = atoi (val);
		352	else if (!strcmp (var, "if-up"))
		353	free (conf.script_if_up), conf.script_if_up = strdup (val);
		354	else if (!strcmp (var, "node-up"))
		355	free (conf.script_node_up), conf.script_node_up = strdup (val);
		356	else if (!strcmp (var, "node-change"))
		357	free (conf.script_node_change), conf.script_node_change = strdup (val);
		358	else if (!strcmp (var, "node-down"))
		359	free (conf.script_node_down), conf.script_node_down = strdup (val);
		360	else if (!strcmp (var, "pid-file"))
		361	free (conf.pidfilename), conf.pidfilename = strdup (val);
		362	else if (!strcmp (var, "dns-forw-host"))
		363	{
		364	#if ENABLE_DNS
		365	free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
		366	#endif
		367	}
		368	else if (!strcmp (var, "dns-forw-port"))
		369	{
		370	#if ENABLE_DNS
		371	conf.dns_forw_port = atoi (val);
		372	#endif
		373	}
		374	else if (!strcmp (var, "dns-timeout-factor"))
		375	{
		376	#if ENABLE_DNS
		377	conf.dns_timeout_factor = atof (val);
		378	#endif
		379	}
		380	else if (!strcmp (var, "dns-send-interval"))
		381	{
		382	#if ENABLE_DNS
		383	conf.dns_send_interval = atoi (val);
		384	#endif
		385	}
		386	else if (!strcmp (var, "dns-overlap-factor"))
		387	{
		388	#if ENABLE_DNS
		389	conf.dns_overlap_factor = atof (val);
		390	#endif
		391	}
		392	else if (!strcmp (var, "dns-max-outstanding"))
		393	{
		394	#if ENABLE_DNS
		395	conf.dns_max_outstanding = atoi (val);
		396	#endif
		397	}
		398	else if (!strcmp (var, "dns-case-preserving"))
		399	{
		400	#if ENABLE_DNS
		401	parse_bool (conf.dns_case_preserving, "dns-case-preserving", true, false);
		402	#endif
		403	}
		404	else if (!strcmp (var, "http-proxy-host"))
		405	{
		406	#if ENABLE_HTTP_PROXY
		407	free (conf.proxy_host), conf.proxy_host = strdup (val);
		408	#endif
		409	}
		410	else if (!strcmp (var, "http-proxy-port"))
		411	{
		412	#if ENABLE_HTTP_PROXY
		413	conf.proxy_port = atoi (val);
		414	#endif
		415	}
		416	else if (!strcmp (var, "http-proxy-auth"))
		417	{
		418	#if ENABLE_HTTP_PROXY
		419	conf.proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		420	#endif
		421	}
		422
		423	/* node-specific, non-defaultable */
		424	else if (node != &conf.default_node && !strcmp (var, "hostname"))
		425	free (node->hostname), node->hostname = strdup (val);
		426
		427	/* node-specific, defaultable */
		428	else if (!strcmp (var, "udp-port"))
		429	node->udp_port = atoi (val);
		430	else if (!strcmp (var, "tcp-port"))
		431	node->tcp_port = atoi (val);
		432	else if (!strcmp (var, "dns-hostname"))
		433	{
		434	#if ENABLE_DNS
		435	free (node->dns_hostname), node->dns_hostname = strdup (val);
		436	#endif
		437	}
		438	else if (!strcmp (var, "dns-port"))
		439	{
		440	#if ENABLE_DNS
		441	node->dns_port = atoi (val);
		442	#endif
		443	}
		444	else if (!strcmp (var, "dns-domain"))
		445	{
		446	#if ENABLE_DNS
		447	free (node->domain), node->domain = strdup (val);
		448	#endif
		449	}
		450	else if (!strcmp (var, "if-up-data"))
		451	free (node->if_up_data), node->if_up_data = strdup (val);
		452	else if (!strcmp (var, "router-priority"))
		453	node->routerprio = atoi (val);
		454	else if (!strcmp (var, "max-retry"))
		455	node->max_retry = atoi (val);
		456	else if (!strcmp (var, "connect"))
		457	{
		458	if (!strcmp (val, "ondemand"))
		459	node->connectmode = conf_node::C_ONDEMAND;
		460	else if (!strcmp (val, "never"))
		461	node->connectmode = conf_node::C_NEVER;
		462	else if (!strcmp (val, "always"))
		463	node->connectmode = conf_node::C_ALWAYS;
		464	else if (!strcmp (val, "disabled"))
		465	node->connectmode = conf_node::C_DISABLED;
		466	else
		467	return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', ignored");
		468	}
		469	else if (!strcmp (var, "inherit-tos"))
		470	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		471	else if (!strcmp (var, "compress"))
		472	parse_bool (node->compress, "compress", true, false);
		473	// all these bool options really really cost a lot of executable size!
		474	else if (!strcmp (var, "enable-tcp"))
		475	{
		476	#if ENABLE_TCP
		477	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		478	#endif
		479	}
		480	else if (!strcmp (var, "enable-icmp"))
		481	{
		482	#if ENABLE_ICMP
		483	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		484	#endif
		485	}
		486	else if (!strcmp (var, "enable-dns"))
		487	{
		488	#if ENABLE_DNS
		489	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		490	#endif
		491	}
		492	else if (!strcmp (var, "enable-udp"))
		493	{
		494	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		495	}
		496	else if (!strcmp (var, "enable-rawip"))
		497	{
		498	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		499	}
		500	#if 1//D2
		501	else if (!strcmp (var, "enable-rawip2"))
		502	{
		503	u8 v; parse_bool (v, "enable-rawip2", PROT_IPv42, 0); node->protocols = (node->protocols & ~PROT_IPv42 ) \| v;
		504	}
		505	#endif
		506	else if (!strcmp (var, "allow-direct"))
		507	node->allow_direct.push_back (strdup (val));
		508	else if (!strcmp (var, "deny-direct"))
		509	node->deny_direct.push_back (strdup (val));
		510	else if (!strcmp (var, "max-ttl"))
		511	node->max_ttl = atof (val);
		512	else if (!strcmp (var, "max-queue"))
		513	node->max_queue = atoi (val);
		514
		515	// unknown or misplaced
		516	else
		517	return _("unknown configuration directive - ignored");
		518
		519	return 0;
		520	}
		521
		522	void
		523	conf_node::finalise ()
		524	{
		525	if (max_queue < 1)
		526	{
		527	slog (L_WARN, _("%s: max-queue value invalid, setting it to 1."), nodename);
		528	max_queue = 1;
		529	}
		530
		531	if (routerprio > 1 && (connectmode != C_ALWAYS && connectmode != C_DISABLED))
		532	{
		533	//slog (L_WARN, _("%s: has non-zero router-priority but either 'never' or 'ondemand' as connectmode, setting it to 'always'."), nodename);
		534	connectmode = C_ALWAYS;
		535	}
		536	}
		537
		538	void
		539	configuration_parser::parse_argv ()
		540	{
		541	for (int i = 0; i < argc; ++i)
		542	{
		543	char *v = argv [i];
		544
		545	if (!*v)
		546	continue;
		547
		548	char *enode = v;
		549
		550	while (enode != '.' && enode > ' ' && enode != '=' && enode)
		551	enode++;
		552
		553	if (*enode != '.')
		554	enode = 0;
		555
		556	char *wnode = node == &conf.default_node
		557	? 0
		558	: node->nodename;
		559
		560	if ((!wnode && !enode)
		561	\|\| (wnode && enode && !strncmp (wnode, v, enode - v)))
		562	{
		563	const char *warn = parse_line (enode ? enode + 1 : v);
		564
		565	if (warn)
		566	slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
		567
		568	*v = 0;
		569	}
		570	}
		571	}
		572
		573	void
		574	configuration_parser::parse_file (const char *fname)
		575	{
		576	if (FILE *f = fopen (fname, "r"))
		577	{
199	char line[16384];	578	char line [2048];
200	int lineno = 0;	579	int lineno = 0;
201	char var, val;
202	conf_node *node = &default_node;
203		580
204	while (fgets (line, sizeof (line), f))	581	while (fgets (line, sizeof (line), f))
205	{	582	{
206	lineno++;	583	lineno++;
207		584
208	{	585	const char *warn = parse_line (line);
209	char *end = line + strlen (line);
210		586
211	while (*end < ' ' && end >= line)	587	if (warn)
212	end--;	588	slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
213
214	*++end = 0;
215	}
216
217	char *tok = line;
218
219	retry:
220	var = strtok (tok, "\t =");
221	tok = 0;
222
223	if (!var \|\| !var[0])
224	continue; /* no tokens on this line */
225
226	if (var[0] == '#')
227	continue; /* comment: ignore */
228
229	val = strtok (NULL, "\t\n\r =");
230
231	if (!val \|\| val[0] == '#')
232	{
233	slog (L_WARN,
234	_("no value for variable `%s', at '%s' line %d, skipping."),
235	var, fname, lineno);
236	continue;
237	}
238
239	if (!strcmp (var, "on"))
240	{
241	if (!::thisnode
242	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
243	\|\| !strcmp (val, ::thisnode))
244	goto retry;
245
246	continue;
247	}
248
249	// truly global
250	if (!strcmp (var, "loglevel"))
251	{
252	loglevel l = string_to_loglevel (val);
253
254	if (l != L_NONE)
255	llevel = l;
256	else
257	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
258	}
259	else if (!strcmp (var, "ip-proto"))
260	ip_proto = atoi (val);
261	else if (!strcmp (var, "icmp-type"))
262	{
263	#if ENABLE_ICMP
264	icmp_type = atoi (val);
265	#endif
266	}
267
268	// per config
269	else if (!strcmp (var, "node"))
270	{
271	default_node.id++;
272
273	node = new conf_node (default_node);
274
275	nodes.push_back (node);
276
277	node->nodename = strdup (val);
278
279	{
280	char *fname;
281	FILE *f;
282
283	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
284
285	f = fopen (fname, "r");
286	if (f)
287	{
288	node->rsa_key = RSA_new ();
289
290	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
291	{
292	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
293	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
294	exit (EXIT_FAILURE);
295	}
296
297	require (RSA_blinding_on (node->rsa_key, 0));
298
299	fclose (f);
300	}
301	else
302	{
303	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
304
305	if (need_keys)
306	exit (EXIT_FAILURE);
307	}
308
309	free (fname);
310	}
311
312	if (::thisnode && !strcmp (node->nodename, ::thisnode))
313	thisnode = node;
314	}
315	else if (!strcmp (var, "private-key"))
316	free (prikeyfile), prikeyfile = strdup (val);
317	else if (!strcmp (var, "ifpersist"))
318	parse_bool (ifpersist, "ifpersist", true, false);
319	else if (!strcmp (var, "ifname"))
320	free (ifname), ifname = strdup (val);
321	else if (!strcmp (var, "rekey"))
322	rekey = atoi (val);
323	else if (!strcmp (var, "keepalive"))
324	keepalive = atoi (val);
325	else if (!strcmp (var, "mtu"))
326	mtu = atoi (val);
327	else if (!strcmp (var, "if-up"))
328	free (script_if_up), script_if_up = strdup (val);
329	else if (!strcmp (var, "node-up"))
330	free (script_node_up), script_node_up = strdup (val);
331	else if (!strcmp (var, "node-down"))
332	free (script_node_down), script_node_down = strdup (val);
333	else if (!strcmp (var, "pid-file"))
334	free (pidfilename), pidfilename = strdup (val);
335	else if (!strcmp (var, "dns-forw-host"))
336	{
337	#if ENABLE_DNS
338	free (dns_forw_host), dns_forw_host = strdup (val);
339	#endif
340	}
341	else if (!strcmp (var, "dns-forw-port"))
342	{
343	#if ENABLE_DNS
344	dns_forw_port = atoi (val);
345	#endif
346	}
347	else if (!strcmp (var, "dns-timeout-factor"))
348	{
349	#if ENABLE_DNS
350	dns_timeout_factor = atof (val);
351	#endif
352	}
353	else if (!strcmp (var, "dns-send-interval"))
354	{
355	#if ENABLE_DNS
356	dns_send_interval = atoi (val);
357	#endif
358	}
359	else if (!strcmp (var, "dns-overlap-factor"))
360	{
361	#if ENABLE_DNS
362	dns_overlap_factor = atof (val);
363	#endif
364	}
365	else if (!strcmp (var, "dns-max-outstanding"))
366	{
367	#if ENABLE_DNS
368	dns_max_outstanding = atoi (val);
369	#endif
370	}
371	else if (!strcmp (var, "http-proxy-host"))
372	{
373	#if ENABLE_HTTP_PROXY
374	free (proxy_host), proxy_host = strdup (val);
375	#endif
376	}
377	else if (!strcmp (var, "http-proxy-port"))
378	{
379	#if ENABLE_HTTP_PROXY
380	proxy_port = atoi (val);
381	#endif
382	}
383	else if (!strcmp (var, "http-proxy-auth"))
384	{
385	#if ENABLE_HTTP_PROXY
386	proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
387	#endif
388	}
389
390	/* node-specific, non-defaultable */
391	else if (node != &default_node && !strcmp (var, "hostname"))
392	free (node->hostname), node->hostname = strdup (val);
393
394	/* node-specific, defaultable */
395	else if (!strcmp (var, "udp-port"))
396	node->udp_port = atoi (val);
397	else if (!strcmp (var, "tcp-port"))
398	node->tcp_port = atoi (val);
399	else if (!strcmp (var, "dns-hostname"))
400	{
401	#if ENABLE_DNS
402	free (node->dns_hostname), node->dns_hostname = strdup (val);
403	#endif
404	}
405	else if (!strcmp (var, "dns-port"))
406	{
407	#if ENABLE_DNS
408	node->dns_port = atoi (val);
409	#endif
410	}
411	else if (!strcmp (var, "dns-domain"))
412	{
413	#if ENABLE_DNS
414	free (node->domain), node->domain = strdup (val);
415	#endif
416	}
417	else if (!strcmp (var, "if-up-data"))
418	free (node->if_up_data), node->if_up_data = strdup (val);
419	else if (!strcmp (var, "router-priority"))
420	node->routerprio = atoi (val);
421	else if (!strcmp (var, "max-retry"))
422	node->max_retry = atoi (val);
423	else if (!strcmp (var, "connect"))
424	{
425	if (!strcmp (val, "ondemand"))
426	node->connectmode = conf_node::C_ONDEMAND;
427	else if (!strcmp (val, "never"))
428	node->connectmode = conf_node::C_NEVER;
429	else if (!strcmp (val, "always"))
430	node->connectmode = conf_node::C_ALWAYS;
431	else if (!strcmp (val, "disabled"))
432	node->connectmode = conf_node::C_DISABLED;
433	else
434	slog (L_WARN,
435	_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d, ignoring."),
436	var, fname, lineno);
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
470	// unknown or misplaced
471	else
472	slog (L_WARN,
473	_("unknown or misplaced variable `%s', at '%s' line %d, skipping."),
474	var, fname, lineno);
475	}	589	}
476		590
477	fclose (f);	591	fclose (f);
		592
		593	parse_argv ();
478	}	594	}
479	else	595	else
480	{	596	{
481	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	597	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
482	exit (EXIT_FAILURE);	598	exit (EXIT_FAILURE);
483	}	599	}
		600	}
484		601
		602	configuration_parser::configuration_parser (configuration &conf,
		603	bool need_keys,
		604	int argc,
		605	char **argv)
		606	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
		607	{
		608	char *fname;
		609
		610	conf.clear ();
		611	node = &conf.default_node;
		612
		613	asprintf (&fname, "%s/gvpe.conf", confbase);
		614	parse_file (fname);
485	free (fname);	615	free (fname);
486		616
487	fname = config_filename (prikeyfile, "hostkey");	617	fname = conf.config_filename (conf.prikeyfile, "hostkey");
488		618
489	f = fopen (fname, "r");	619	if (FILE *f = fopen (fname, "r"))
490	if (f)
491	{	620	{
492	rsa_key = RSA_new ();	621	conf.rsa_key = RSA_new ();
493		622
494	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	623	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
495	{	624	{
496	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	625	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
497	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));	626	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
498	exit (EXIT_FAILURE);	627	exit (EXIT_FAILURE);
499	}	628	}
500		629
501	require (RSA_blinding_on (rsa_key, 0));	630	require (RSA_blinding_on (conf.rsa_key, 0));
502		631
503	fclose (f);	632	fclose (f);
504	}	633	}
505	else	634	else
506	{	635	{
…		…
508		637
509	if (need_keys)	638	if (need_keys)
510	exit (EXIT_FAILURE);	639	exit (EXIT_FAILURE);
511	}	640	}
512		641
		642	free (fname);
		643
513	if (need_keys && ::thisnode	644	if (need_keys && ::thisnode
514	&& rsa_key && thisnode && thisnode->rsa_key)	645	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
515	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0	646	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
516	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)	647	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
517	{	648	{
518	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);	649	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
519	exit (EXIT_FAILURE);	650	exit (EXIT_FAILURE);
520	}	651	}
521		652
522	free (fname);	653	for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
		654	(*i)->finalise ();
523	}	655	}
524		656
		657	char *
525	char configuration::config_filename (const char name, const char *dflt)	658	configuration::config_filename (const char name, const char dflt)
526	{	659	{
527	char *fname;	660	char *fname;
528		661
529	asprintf (&fname, name ? name : dflt, ::thisnode);	662	asprintf (&fname, name ? name : dflt, ::thisnode);
530		663
…		…
534	asprintf (&fname, "%s/%s", confbase, rname);	667	asprintf (&fname, "%s/%s", confbase, rname);
535	free (rname);	668	free (rname);
536	}	669	}
537		670
538	return fname;	671	return fname;
		672	}
		673
		674	void
		675	conf_node::print ()
		676	{
		677	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %02x %s%s%d\n",
		678	id,
		679	id >> 8, id & 0xff,
		680	compress ? 'Y' : 'N',
		681	connectmode == C_ONDEMAND ? "ondemand"
		682	: connectmode == C_NEVER ? "never"
		683	: connectmode == C_ALWAYS ? "always"
		684	: connectmode == C_DISABLED ? "disabled"
		685	: "",
		686	nodename,
		687	protocols,
		688	hostname ? hostname : "",
		689	hostname ? ":" : "",
		690	hostname ? udp_port : 0
		691	);
539	}	692	}
540		693
541	void	694	void
542	configuration::print ()	695	configuration::print ()
543	{	696	{
…		…
550	printf (_("interface: %s\n"), ifname);	703	printf (_("interface: %s\n"), ifname);
551	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");	704	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
552	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);	705	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
553	printf ("\n");	706	printf ("\n");
554		707
555	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	708	printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n",
556	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));	709	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port"));
557		710
558	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)	711	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
559	(*i)->print ();	712	(*i)->print ();
560		713
561	printf ("\n");	714	printf ("\n");
…		…
571	configuration::~configuration ()	724	configuration::~configuration ()
572	{	725	{
573	cleanup ();	726	cleanup ();
574	}	727	}
575		728
576

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Comparing gvpe/src/conf.C (file contents): Revision 1.39 by pcg, Sat Mar 26 03:16:24 2005 UTC vs. Revision 1.57 by root, Sat Dec 17 22:05:34 2011 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.39 by pcg, Sat Mar 26 03:16:24 2005 UTC vs.
Revision 1.57 by root, Sat Dec 17 22:05:34 2011 UTC