[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 1.55 by root, Sun Mar 6 19:40:28 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	{
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
		156	dns_case_preserving = true;
127	dns_forw_host = strdup ("127.0.0.1");	157	dns_forw_host = strdup ("127.0.0.1");
128	dns_forw_port = 53;	158	dns_forw_port = 53;
129	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;	159	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
130	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;	160	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
131	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;	161	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
…		…
133	#endif	163	#endif
134		164
135	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");	165	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
136	}	166	}
137		167
		168	void
138	void configuration::cleanup()	169	configuration::cleanup ()
139	{	170	{
140	if (rsa_key)	171	if (rsa_key)
141	RSA_free (rsa_key);	172	RSA_free (rsa_key);
142		173
143	rsa_key = 0;	174	rsa_key = 0;
144		175
145	free (pidfilename); pidfilename = 0;	176	free (pidfilename); pidfilename = 0;
146	free (ifname); ifname = 0;	177	free (ifname); ifname = 0;
147	#if ENABLE_HTTP_PROXY	178	#if ENABLE_HTTP_PROXY
148	free (proxy_host); proxy_host = 0;	179	free (proxy_host); proxy_host = 0;
149	free (proxy_auth); proxy_auth = 0;	180	free (proxy_auth); proxy_auth = 0;
150	#endif	181	#endif
151	#if ENABLE_DNS	182	#if ENABLE_DNS
152	free (dns_forw_host); dns_forw_host = 0;	183	free (dns_forw_host); dns_forw_host = 0;
153	#endif	184	#endif
		185	free (script_if_up); script_if_up = 0;
		186	free (script_node_up); script_node_up = 0;
		187	free (script_node_change); script_node_change = 0;
		188	free (script_node_down); script_node_down = 0;
154	}	189	}
155		190
156	void	191	void
157	configuration::clear_config ()	192	configuration::clear ()
158	{	193	{
159	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)	194	for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
160	delete *i;	195	delete *i;
161		196
162	nodes.clear ();	197	nodes.clear ();
163		198
164	cleanup ();	199	cleanup ();
165	init ();	200	init ();
166	}	201	}
		202
		203	//static bool
		204	//is_true (const char *name)
		205	//{
		206	//re
		207	//}
167		208
168	#define parse_bool(target,name,trueval,falseval) do { \	209	#define parse_bool(target,name,trueval,falseval) do { \
169	if (!strcmp (val, "yes")) target = trueval; \	210	if (!strcmp (val, "yes")) target = trueval; \
170	else if (!strcmp (val, "no")) target = falseval; \	211	else if (!strcmp (val, "no")) target = falseval; \
171	else if (!strcmp (val, "true")) target = trueval; \	212	else if (!strcmp (val, "true")) target = trueval; \
172	else if (!strcmp (val, "false")) target = falseval; \	213	else if (!strcmp (val, "false")) target = falseval; \
173	else if (!strcmp (val, "on")) target = trueval; \	214	else if (!strcmp (val, "on")) target = trueval; \
174	else if (!strcmp (val, "off")) target = falseval; \	215	else if (!strcmp (val, "off")) target = falseval; \
175	else \	216	else \
176	slog (L_WARN, \	217	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)	218	} while (0)
180		219
181	void configuration::read_config (bool need_keys)	220	const char *
		221	configuration_parser::parse_line (char *line)
182	{	222	{
		223	{
		224	char *end = line + strlen (line);
		225
		226	while (*end < ' ' && end >= line)
		227	end--;
		228
		229	*++end = 0;
		230	}
		231
		232	char *tok = line;
		233	const char *var = strtok (tok, "\t =");
		234	tok = 0;
		235
		236	if (!var \|\| !var[0])
		237	return 0; /* no tokens on this line */
		238
		239	if (var[0] == '#')
		240	return 0; /* comment: ignore */
		241
		242	char *val = strtok (NULL, "\t\n\r =");
		243
		244	if (!val \|\| val[0] == '#')
		245	return _("no value given for variable. (ignored)");
		246
		247	else if (!strcmp (var, "on"))
		248	{
		249	if (!::thisnode
		250	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
		251	\|\| !strcmp (val, ::thisnode))
		252	return parse_line (strtok (NULL, "\n\r"));
		253	}
		254
		255	else if (!strcmp (var, "include"))
		256	{
		257	char *fname = conf.config_filename (val);
		258	parse_file (fname);
		259	free (fname);
		260	}
		261
		262	// truly global
		263	else if (!strcmp (var, "loglevel"))
		264	{
		265	loglevel l = string_to_loglevel (val);
		266
		267	if (l == L_NONE)
		268	return _("unknown loglevel. (skipping)");
		269	}
		270	else if (!strcmp (var, "ip-proto"))
		271	conf.ip_proto = atoi (val);
		272	else if (!strcmp (var, "icmp-type"))
		273	{
		274	#if ENABLE_ICMP
		275	conf.icmp_type = atoi (val);
		276	#endif
		277	}
		278
		279	// per config
		280	else if (!strcmp (var, "node"))
		281	{
		282	parse_argv ();
		283
		284	conf.default_node.id++;
		285	node = new conf_node (conf.default_node);
		286	conf.nodes.push_back (node);
		287	node->nodename = strdup (val);
		288
		289	{
183	char *fname;	290	char *fname;
184	FILE *f;	291	FILE *f;
185		292
186	clear_config ();	293	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
187		294
188	asprintf (&fname, "%s/gvpe.conf", confbase);
189	f = fopen (fname, "r");	295	f = fopen (fname, "r");
		296	if (f)
		297	{
		298	node->rsa_key = RSA_new ();
190		299
191	if (f)	300	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
		301	{
		302	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
		303	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
		304	exit (EXIT_FAILURE);
		305	}
		306
		307	require (RSA_blinding_on (node->rsa_key, 0));
		308
		309	fclose (f);
		310	}
		311	else
		312	{
		313	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
		314
		315	if (need_keys)
		316	exit (EXIT_FAILURE);
		317	}
		318
		319	free (fname);
		320	}
		321
		322	if (::thisnode && !strcmp (node->nodename, ::thisnode))
		323	conf.thisnode = node;
192	{	324	}
		325	else if (!strcmp (var, "private-key"))
		326	free (conf.prikeyfile), conf.prikeyfile = strdup (val);
		327	else if (!strcmp (var, "ifpersist"))
		328	parse_bool (conf.ifpersist, "ifpersist", true, false);
		329	else if (!strcmp (var, "ifname"))
		330	free (conf.ifname), conf.ifname = strdup (val);
		331	else if (!strcmp (var, "rekey"))
		332	conf.rekey = atoi (val);
		333	else if (!strcmp (var, "keepalive"))
		334	conf.keepalive = atoi (val);
		335	else if (!strcmp (var, "mtu"))
		336	conf.mtu = atoi (val);
		337	else if (!strcmp (var, "nfmark"))
		338	conf.nfmark = atoi (val);
		339	else if (!strcmp (var, "if-up"))
		340	free (conf.script_if_up), conf.script_if_up = strdup (val);
		341	else if (!strcmp (var, "node-up"))
		342	free (conf.script_node_up), conf.script_node_up = strdup (val);
		343	else if (!strcmp (var, "node-change"))
		344	free (conf.script_node_change), conf.script_node_change = strdup (val);
		345	else if (!strcmp (var, "node-down"))
		346	free (conf.script_node_down), conf.script_node_down = strdup (val);
		347	else if (!strcmp (var, "pid-file"))
		348	free (conf.pidfilename), conf.pidfilename = strdup (val);
		349	else if (!strcmp (var, "dns-forw-host"))
		350	{
		351	#if ENABLE_DNS
		352	free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
		353	#endif
		354	}
		355	else if (!strcmp (var, "dns-forw-port"))
		356	{
		357	#if ENABLE_DNS
		358	conf.dns_forw_port = atoi (val);
		359	#endif
		360	}
		361	else if (!strcmp (var, "dns-timeout-factor"))
		362	{
		363	#if ENABLE_DNS
		364	conf.dns_timeout_factor = atof (val);
		365	#endif
		366	}
		367	else if (!strcmp (var, "dns-send-interval"))
		368	{
		369	#if ENABLE_DNS
		370	conf.dns_send_interval = atoi (val);
		371	#endif
		372	}
		373	else if (!strcmp (var, "dns-overlap-factor"))
		374	{
		375	#if ENABLE_DNS
		376	conf.dns_overlap_factor = atof (val);
		377	#endif
		378	}
		379	else if (!strcmp (var, "dns-max-outstanding"))
		380	{
		381	#if ENABLE_DNS
		382	conf.dns_max_outstanding = atoi (val);
		383	#endif
		384	}
		385	else if (!strcmp (var, "dns-case-preserving"))
		386	{
		387	#if ENABLE_DNS
		388	parse_bool (conf.dns_case_preserving, "dns-case-preserving", true, false);
		389	#endif
		390	}
		391	else if (!strcmp (var, "http-proxy-host"))
		392	{
		393	#if ENABLE_HTTP_PROXY
		394	free (conf.proxy_host), conf.proxy_host = strdup (val);
		395	#endif
		396	}
		397	else if (!strcmp (var, "http-proxy-port"))
		398	{
		399	#if ENABLE_HTTP_PROXY
		400	conf.proxy_port = atoi (val);
		401	#endif
		402	}
		403	else if (!strcmp (var, "http-proxy-auth"))
		404	{
		405	#if ENABLE_HTTP_PROXY
		406	conf.proxy_auth = (char )base64_encode ((const u8 )val, strlen (val));
		407	#endif
		408	}
		409
		410	/* node-specific, non-defaultable */
		411	else if (node != &conf.default_node && !strcmp (var, "hostname"))
		412	free (node->hostname), node->hostname = strdup (val);
		413
		414	/* node-specific, defaultable */
		415	else if (!strcmp (var, "udp-port"))
		416	node->udp_port = atoi (val);
		417	else if (!strcmp (var, "tcp-port"))
		418	node->tcp_port = atoi (val);
		419	else if (!strcmp (var, "dns-hostname"))
		420	{
		421	#if ENABLE_DNS
		422	free (node->dns_hostname), node->dns_hostname = strdup (val);
		423	#endif
		424	}
		425	else if (!strcmp (var, "dns-port"))
		426	{
		427	#if ENABLE_DNS
		428	node->dns_port = atoi (val);
		429	#endif
		430	}
		431	else if (!strcmp (var, "dns-domain"))
		432	{
		433	#if ENABLE_DNS
		434	free (node->domain), node->domain = strdup (val);
		435	#endif
		436	}
		437	else if (!strcmp (var, "if-up-data"))
		438	free (node->if_up_data), node->if_up_data = strdup (val);
		439	else if (!strcmp (var, "router-priority"))
		440	node->routerprio = atoi (val);
		441	else if (!strcmp (var, "max-retry"))
		442	node->max_retry = atoi (val);
		443	else if (!strcmp (var, "connect"))
		444	{
		445	if (!strcmp (val, "ondemand"))
		446	node->connectmode = conf_node::C_ONDEMAND;
		447	else if (!strcmp (val, "never"))
		448	node->connectmode = conf_node::C_NEVER;
		449	else if (!strcmp (val, "always"))
		450	node->connectmode = conf_node::C_ALWAYS;
		451	else if (!strcmp (val, "disabled"))
		452	node->connectmode = conf_node::C_DISABLED;
		453	else
		454	return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
		455	}
		456	else if (!strcmp (var, "inherit-tos"))
		457	parse_bool (node->inherit_tos, "inherit-tos", true, false);
		458	else if (!strcmp (var, "compress"))
		459	parse_bool (node->compress, "compress", true, false);
		460	// all these bool options really really cost a lot of executable size!
		461	else if (!strcmp (var, "enable-tcp"))
		462	{
		463	#if ENABLE_TCP
		464	u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) \| v;
		465	#endif
		466	}
		467	else if (!strcmp (var, "enable-icmp"))
		468	{
		469	#if ENABLE_ICMP
		470	u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) \| v;
		471	#endif
		472	}
		473	else if (!strcmp (var, "enable-dns"))
		474	{
		475	#if ENABLE_DNS
		476	u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) \| v;
		477	#endif
		478	}
		479	else if (!strcmp (var, "enable-udp"))
		480	{
		481	u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) \| v;
		482	}
		483	else if (!strcmp (var, "enable-rawip"))
		484	{
		485	u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) \| v;
		486	}
		487	else if (!strcmp (var, "allow-direct"))
		488	node->allow_direct.push_back (strdup (val));
		489	else if (!strcmp (var, "deny-direct"))
		490	node->deny_direct.push_back (strdup (val));
		491	else if (!strcmp (var, "max-ttl"))
		492	node->max_ttl = atof (val);
		493	else if (!strcmp (var, "max-queue"))
		494	node->max_queue = atoi (val);
		495
		496	// unknown or misplaced
		497	else
		498	return _("unknown configuration directive - ignored");
		499
		500	return 0;
		501	}
		502
		503	void
		504	conf_node::finalise ()
		505	{
		506	if (max_queue < 1)
		507	{
		508	slog (L_WARN, _("%s: max-queue value invalid, setting it to 1."), nodename);
		509	max_queue = 1;
		510	}
		511
		512	if (routerprio > 1 && (connectmode != C_ALWAYS && connectmode != C_DISABLED))
		513	{
		514	//slog (L_WARN, _("%s: has non-zero router-priority but either 'never' or 'ondemand' as connectmode, setting it to 'always'."), nodename);
		515	connectmode = C_ALWAYS;
		516	}
		517	}
		518
		519	void
		520	configuration_parser::parse_argv ()
		521	{
		522	for (int i = 0; i < argc; ++i)
		523	{
		524	char *v = argv [i];
		525
		526	if (!*v)
		527	continue;
		528
		529	char *enode = v;
		530
		531	while (enode != '.' && enode > ' ' && enode != '=' && enode)
		532	enode++;
		533
		534	if (*enode != '.')
		535	enode = 0;
		536
		537	char *wnode = node == &conf.default_node
		538	? 0
		539	: node->nodename;
		540
		541	if ((!wnode && !enode)
		542	\|\| (wnode && enode && !strncmp (wnode, v, enode - v)))
		543	{
		544	const char *warn = parse_line (enode ? enode + 1 : v);
		545
		546	if (warn)
		547	slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
		548
		549	*v = 0;
		550	}
		551	}
		552	}
		553
		554	void
		555	configuration_parser::parse_file (const char *fname)
		556	{
		557	if (FILE *f = fopen (fname, "r"))
		558	{
193	char line[16384];	559	char line [2048];
194	int lineno = 0;	560	int lineno = 0;
195	char var, val;	561	node = &conf.default_node;
196	conf_node *node = &default_node;
197		562
198	while (fgets (line, sizeof (line), f))	563	while (fgets (line, sizeof (line), f))
199	{	564	{
200	lineno++;	565	lineno++;
201		566
202	{	567	const char *warn = parse_line (line);
203	char *end = line + strlen (line);
204		568
205	while (*end < ' ' && end >= line)	569	if (warn)
206	end--;	570	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	}	571	}
468		572
469	fclose (f);	573	fclose (f);
		574
		575	parse_argv ();
470	}	576	}
471	else	577	else
472	{	578	{
473	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	579	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
474	exit (EXIT_FAILURE);	580	exit (EXIT_FAILURE);
475	}	581	}
		582	}
476		583
		584	configuration_parser::configuration_parser (configuration &conf,
		585	bool need_keys,
		586	int argc,
		587	char **argv)
		588	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
		589	{
		590	char *fname;
		591
		592	conf.clear ();
		593
		594	asprintf (&fname, "%s/gvpe.conf", confbase);
		595	parse_file (fname);
477	free (fname);	596	free (fname);
478		597
479	fname = config_filename (prikeyfile, "hostkey");	598	fname = conf.config_filename (conf.prikeyfile, "hostkey");
480		599
481	f = fopen (fname, "r");	600	if (FILE *f = fopen (fname, "r"))
482	if (f)
483	{	601	{
484	rsa_key = RSA_new ();	602	conf.rsa_key = RSA_new ();
485		603
486	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	604	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
487	{	605	{
488	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	606	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));	607	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
490	exit (EXIT_FAILURE);	608	exit (EXIT_FAILURE);
491	}	609	}
492		610
493	require (RSA_blinding_on (rsa_key, 0));	611	require (RSA_blinding_on (conf.rsa_key, 0));
494		612
495	fclose (f);	613	fclose (f);
496	}	614	}
497	else	615	else
498	{	616	{
…		…
500		618
501	if (need_keys)	619	if (need_keys)
502	exit (EXIT_FAILURE);	620	exit (EXIT_FAILURE);
503	}	621	}
504		622
		623	free (fname);
		624
505	if (need_keys && ::thisnode	625	if (need_keys && ::thisnode
506	&& rsa_key && thisnode && thisnode->rsa_key)	626	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
507	if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0	627	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
508	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)	628	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
509	{	629	{
510	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);	630	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
511	exit (EXIT_FAILURE);	631	exit (EXIT_FAILURE);
512	}	632	}
513		633
514	free (fname);	634	for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
		635	(*i)->finalise ();
515	}	636	}
516		637
		638	char *
517	char configuration::config_filename (const char name, const char *dflt)	639	configuration::config_filename (const char name, const char dflt)
518	{	640	{
519	char *fname;	641	char *fname;
520		642
521	asprintf (&fname, name ? name : dflt, ::thisnode);	643	asprintf (&fname, name ? name : dflt, ::thisnode);
522		644
…		…
526	asprintf (&fname, "%s/%s", confbase, rname);	648	asprintf (&fname, "%s/%s", confbase, rname);
527	free (rname);	649	free (rname);
528	}	650	}
529		651
530	return fname;	652	return fname;
		653	}
		654
		655	void
		656	conf_node::print ()
		657	{
		658	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %02x %s%s%d\n",
		659	id,
		660	id >> 8, id & 0xff,
		661	compress ? 'Y' : 'N',
		662	connectmode == C_ONDEMAND ? "ondemand"
		663	: connectmode == C_NEVER ? "never"
		664	: connectmode == C_ALWAYS ? "always"
		665	: connectmode == C_DISABLED ? "disabled"
		666	: "",
		667	nodename,
		668	protocols,
		669	hostname ? hostname : "",
		670	hostname ? ":" : "",
		671	hostname ? udp_port : 0
		672	);
531	}	673	}
532		674
533	void	675	void
534	configuration::print ()	676	configuration::print ()
535	{	677	{
…		…
542	printf (_("interface: %s\n"), ifname);	684	printf (_("interface: %s\n"), ifname);
543	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");	685	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
544	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);	686	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
545	printf ("\n");	687	printf ("\n");
546		688
547	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	689	printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n",
548	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));	690	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port"));
549		691
550	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)	692	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
551	(*i)->print ();	693	(*i)->print ();
552		694
553	printf ("\n");	695	printf ("\n");
…		…
563	configuration::~configuration ()	705	configuration::~configuration ()
564	{	706	{
565	cleanup ();	707	cleanup ();
566	}	708	}
567		709
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 1.55 by root, Sun Mar 6 19:40:28 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 1.55 by root, Sun Mar 6 19:40:28 2011 UTC