[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 1.58 by root, Tue Jan 17 21:38:10 2012 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	{
93	#if 0	112	#if 0
…		…
104	free (dns_hostname);	123	free (dns_hostname);
105	#endif	124	#endif
106	#endif	125	#endif
107	}	126	}
108		127
		128	void
109	void configuration::init ()	129	configuration::init ()
110	{	130	{
111	memset (this, 0, sizeof (*this));	131	memset (this, 0, sizeof (*this));
112		132
113	mtu = DEFAULT_MTU;	133	mtu = DEFAULT_MTU;
		134	nfmark = 0;
114	rekey = DEFAULT_REKEY;	135	rekey = DEFAULT_REKEY;
115	keepalive = DEFAULT_KEEPALIVE;	136	keepalive = DEFAULT_KEEPALIVE;
116	llevel = L_INFO;	137	llevel = L_INFO;
117	ip_proto = IPPROTO_GRE;	138	ip_proto = IPPROTO_GRE;
118	#if ENABLE_ICMP	139	#if ENABLE_ICMP
…		…
123	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm	144	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
124	default_node.connectmode = conf_node::C_ALWAYS;	145	default_node.connectmode = conf_node::C_ALWAYS;
125	default_node.compress = true;	146	default_node.compress = true;
126	default_node.protocols = 0;	147	default_node.protocols = 0;
127	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;
128	default_node.if_up_data = strdup ("");	151	default_node.if_up_data = strdup ("");
129		152
130	#if ENABLE_DNS	153	#if ENABLE_DNS
131	default_node.dns_port = 0; // default is 0 == client	154	default_node.dns_port = 0; // default is 0 == client
132		155
		156	dns_case_preserving = true;
133	dns_forw_host = strdup ("127.0.0.1");	157	dns_forw_host = strdup ("127.0.0.1");
134	dns_forw_port = 53;	158	dns_forw_port = 53;
135	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;	159	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
136	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;	160	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
137	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;	161	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
…		…
139	#endif	163	#endif
140		164
141	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");	165	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
142	}	166	}
143		167
		168	void
144	void configuration::cleanup()	169	configuration::cleanup ()
145	{	170	{
146	if (rsa_key)	171	if (rsa_key)
147	RSA_free (rsa_key);	172	RSA_free (rsa_key);
148		173
149	rsa_key = 0;	174	rsa_key = 0;
150		175
151	free (pidfilename); pidfilename = 0;	176	free (pidfilename); pidfilename = 0;
152	free (ifname); ifname = 0;	177	free (ifname); ifname = 0;
153	#if ENABLE_HTTP_PROXY	178	#if ENABLE_HTTP_PROXY
154	free (proxy_host); proxy_host = 0;	179	free (proxy_host); proxy_host = 0;
155	free (proxy_auth); proxy_auth = 0;	180	free (proxy_auth); proxy_auth = 0;
156	#endif	181	#endif
157	#if ENABLE_DNS	182	#if ENABLE_DNS
158	free (dns_forw_host); dns_forw_host = 0;	183	free (dns_forw_host); dns_forw_host = 0;
159	#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;
160	}	189	}
161		190
162	void	191	void
163	configuration::clear_config ()	192	configuration::clear ()
164	{	193	{
165	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)
166	delete *i;	195	delete *i;
167		196
168	nodes.clear ();	197	nodes.clear ();
169		198
170	cleanup ();	199	cleanup ();
171	init ();	200	init ();
172	}	201	}
		202
		203	//static bool
		204	//is_true (const char *name)
		205	//{
		206	//re
		207	//}
173		208
174	#define parse_bool(target,name,trueval,falseval) do { \	209	#define parse_bool(target,name,trueval,falseval) do { \
175	if (!strcmp (val, "yes")) target = trueval; \	210	if (!strcmp (val, "yes")) target = trueval; \
176	else if (!strcmp (val, "no")) target = falseval; \	211	else if (!strcmp (val, "no")) target = falseval; \
177	else if (!strcmp (val, "true")) target = trueval; \	212	else if (!strcmp (val, "true")) target = trueval; \
178	else if (!strcmp (val, "false")) target = falseval; \	213	else if (!strcmp (val, "false")) target = falseval; \
179	else if (!strcmp (val, "on")) target = trueval; \	214	else if (!strcmp (val, "on")) target = trueval; \
180	else if (!strcmp (val, "off")) target = falseval; \	215	else if (!strcmp (val, "off")) target = falseval; \
181	else \	216	else \
182	slog (L_WARN, \
183	_("illegal value for '%s', only 'yes\|true\|on' or 'no\|false\|off' allowed, at '%s' line %d"), \	217	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed, ignored"); \
184	name, var, fname, lineno); \
185	} while (0)	218	} while (0)
186		219
187	void configuration::read_config (bool need_keys)	220	const char *
		221	configuration_parser::parse_line (char *line)
188	{	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, ignored");
		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	{
189	char *fname;	290	char *fname;
190	FILE *f;	291	FILE *f;
191		292
192	clear_config ();	293	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
193		294
194	asprintf (&fname, "%s/gvpe.conf", confbase);
195	f = fopen (fname, "r");	295	f = fopen (fname, "r");
		296	if (f)
		297	{
		298	node->rsa_key = RSA_new ();
196		299
197	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;
198	{	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	{
199	char line[16384];	559	char line [2048];
200	int lineno = 0;	560	int lineno = 0;
201	char var, val;
202	conf_node *node = &default_node;
203		561
204	while (fgets (line, sizeof (line), f))	562	while (fgets (line, sizeof (line), f))
205	{	563	{
206	lineno++;	564	lineno++;
207		565
208	{	566	const char *warn = parse_line (line);
209	char *end = line + strlen (line);
210		567
211	while (*end < ' ' && end >= line)	568	if (warn)
212	end--;	569	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	}	570	}
476		571
477	fclose (f);	572	fclose (f);
		573
		574	parse_argv ();
478	}	575	}
479	else	576	else
480	{	577	{
481	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));	578	slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
482	exit (EXIT_FAILURE);	579	exit (EXIT_FAILURE);
483	}	580	}
		581	}
484		582
		583	configuration_parser::configuration_parser (configuration &conf,
		584	bool need_keys,
		585	int argc,
		586	char **argv)
		587	: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
		588	{
		589	char *fname;
		590
		591	conf.clear ();
		592	node = &conf.default_node;
		593
		594	asprintf (&fname, "%s/gvpe.conf", confbase);
		595	parse_file (fname);
485	free (fname);	596	free (fname);
486		597
487	fname = config_filename (prikeyfile, "hostkey");	598	fname = conf.config_filename (conf.prikeyfile, "hostkey");
488		599
489	f = fopen (fname, "r");	600	if (FILE *f = fopen (fname, "r"))
490	if (f)
491	{	601	{
492	rsa_key = RSA_new ();	602	conf.rsa_key = RSA_new ();
493		603
494	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	604	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
495	{	605	{
496	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	606	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));	607	slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
498	exit (EXIT_FAILURE);	608	exit (EXIT_FAILURE);
499	}	609	}
500		610
501	require (RSA_blinding_on (rsa_key, 0));	611	require (RSA_blinding_on (conf.rsa_key, 0));
502		612
503	fclose (f);	613	fclose (f);
504	}	614	}
505	else	615	else
506	{	616	{
…		…
508		618
509	if (need_keys)	619	if (need_keys)
510	exit (EXIT_FAILURE);	620	exit (EXIT_FAILURE);
511	}	621	}
512		622
		623	free (fname);
		624
513	if (need_keys && ::thisnode	625	if (need_keys && ::thisnode
514	&& rsa_key && thisnode && thisnode->rsa_key)	626	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
515	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
516	\|\| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)	628	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
517	{	629	{
518	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);
519	exit (EXIT_FAILURE);	631	exit (EXIT_FAILURE);
520	}	632	}
521		633
522	free (fname);	634	for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
		635	(*i)->finalise ();
523	}	636	}
524		637
		638	char *
525	char configuration::config_filename (const char name, const char *dflt)	639	configuration::config_filename (const char name, const char dflt)
526	{	640	{
527	char *fname;	641	char *fname;
528		642
529	asprintf (&fname, name ? name : dflt, ::thisnode);	643	asprintf (&fname, name ? name : dflt, ::thisnode);
530		644
…		…
534	asprintf (&fname, "%s/%s", confbase, rname);	648	asprintf (&fname, "%s/%s", confbase, rname);
535	free (rname);	649	free (rname);
536	}	650	}
537		651
538	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	);
539	}	673	}
540		674
541	void	675	void
542	configuration::print ()	676	configuration::print ()
543	{	677	{
…		…
550	printf (_("interface: %s\n"), ifname);	684	printf (_("interface: %s\n"), ifname);
551	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");	685	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
552	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);
553	printf ("\n");	687	printf ("\n");
554		688
555	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	689	printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n",
556	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));	690	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port"));
557		691
558	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)	692	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
559	(*i)->print ();	693	(*i)->print ();
560		694
561	printf ("\n");	695	printf ("\n");
…		…
571	configuration::~configuration ()	705	configuration::~configuration ()
572	{	706	{
573	cleanup ();	707	cleanup ();
574	}	708	}
575		709
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 1.58 by root, Tue Jan 17 21:38:10 2012 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 1.58 by root, Tue Jan 17 21:38:10 2012 UTC