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

Comparing gvpe/src/conf.C (file contents):
Revision 1.1 by pcg, Sat Mar 1 15:53:03 2003 UTC vs.
Revision 1.56 by root, Sun Mar 6 21:01:36 2011 UTC

…		…
1	/*	1	/*
2	conf.c -- configuration code	2	conf.C -- configuration code
3	Copyright (C) 1998 Robert van der Meulen	3	Copyright (C) 2003-2008,2011 Marc Lehmann <gvpe@schmorp.de>
4	1998-2002 Ivo Timmermans <ivo@o2w.nl>
5	2000-2002 Guus Sliepen <guus@sliepen.eu.org>
6	2000 Cris van Pelt <tribbel@arise.dhs.org>
7	2003 Marc Lehmann <pcg@goof.com>
8		4
		5	This file is part of GVPE.
		6
9	This program is free software; you can redistribute it and/or modify	7	GVPE is free software; you can redistribute it and/or modify it
10	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
11	the Free Software Foundation; either version 2 of the License, or	9	Free Software Foundation; either version 3 of the License, or (at your
12	(at your option) any later version.	10	option) any later version.
13		11
14	This program is distributed in the hope that it will be useful,	12	This program is distributed in the hope that it will be useful, but
15	but WITHOUT ANY WARRANTY; without even the implied warranty of	13	WITHOUT ANY WARRANTY; without even the implied warranty of
16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
17	GNU General Public License for more details.	15	Public License for more details.
18		16
19	You should have received a copy of the GNU General Public License	17	You should have received a copy of the GNU General Public License along
20	along with this program; if not, write to the Free Software	18	with this program; if not, see <http://www.gnu.org/licenses/>.
21	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.
22	*/	30	*/
23		31
24	#include "config.h"	32	#include "config.h"
25		33
26	#include <cstdio>	34	#include <cstdio>
31	#include <netdb.h>	39	#include <netdb.h>
32	#include <sys/stat.h>	40	#include <sys/stat.h>
33	#include <sys/types.h>	41	#include <sys/types.h>
34	#include <unistd.h>	42	#include <unistd.h>
35		43
		44	#include "netcompat.h"
		45
36	#include <openssl/err.h>	46	#include <openssl/err.h>
37	#include <openssl/pem.h>	47	#include <openssl/pem.h>
38	#include <openssl/rsa.h>	48	#include <openssl/rsa.h>
39	#include <openssl/rand.h>	49	#include <openssl/rand.h>
40		50	#include <openssl/bn.h>
41	#include "gettext.h"
42		51
43	#include "conf.h"	52	#include "conf.h"
44	#include "slog.h"	53	#include "slog.h"
45	#include "util.h"	54	#include "util.h"
46		55
47	char *confbase;	56	char *confbase;
48	char *thisnode;	57	char *thisnode;
49	char *identname;	58	char *identname;
50	char *pidfilename;
51		59
52	struct configuration conf;	60	struct configuration conf;
53		61
54	configuration::configuration ()	62	u8
		63	best_protocol (u8 protset)
55	{	64	{
56	init ();	65	if (protset & PROT_IPv4 ) return PROT_IPv4;
57	}	66	if (protset & PROT_ICMPv4) return PROT_ICMPv4;
		67	if (protset & PROT_UDPv4 ) return PROT_UDPv4;
		68	if (protset & PROT_TCPv4 ) return PROT_TCPv4;
		69	if (protset & PROT_DNSv4 ) return PROT_DNSv4;
58		70
59	configuration::~configuration ()	71	return 0;
60	{
61	cleanup ();
62	}	72	}
63		73
		74	const char *
		75	strprotocol (u8 protocol)
		76	{
		77	if (protocol & PROT_IPv4 ) return "rawip";
		78	if (protocol & PROT_ICMPv4) return "icmp";
		79	if (protocol & PROT_UDPv4 ) return "udp";
		80	if (protocol & PROT_TCPv4 ) return "tcp";
		81	if (protocol & PROT_DNSv4 ) return "dns";
		82
		83	return "<unknown>";
		84	}
		85
		86	static bool
		87	match_list (const vector<const char > &list, const char str)
		88	{
		89	for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
		90	if ((i)[0] == '' && !(*i)[1])
		91	return true;
		92	else if (!strcmp (*i, str))
		93	return true;
		94
		95	return false;
		96	}
		97
		98	bool
		99	conf_node::may_direct (struct conf_node *other)
		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;
		108	}
		109
		110	conf_node::~conf_node ()
		111	{
		112	#if 0
		113	// does not work, because string pointers etc. are shared
		114	// is not called, however
		115	if (rsa_key)
		116	RSA_free (rsa_key);
		117
		118	free (nodename);
		119	free (hostname);
		120	free (if_up_data);
		121	#if ENABLE_DNS
		122	free (domain);
		123	free (dns_hostname);
		124	#endif
		125	#endif
		126	}
		127
		128	void
64	void configuration::init ()	129	configuration::init ()
65	{	130	{
66	memset (this, 0, sizeof (*this));	131	memset (this, 0, sizeof (*this));
67		132
		133	mtu = DEFAULT_MTU;
		134	nfmark = 0;
68	rekey = DEFAULT_REKEY;	135	rekey = DEFAULT_REKEY;
69	keepalive = DEFAULT_KEEPALIVE;	136	keepalive = DEFAULT_KEEPALIVE;
		137	llevel = L_INFO;
		138	ip_proto = IPPROTO_GRE;
		139	#if ENABLE_ICMP
		140	icmp_type = ICMP_ECHOREPLY;
		141	#endif
70		142
71	default_node.port = DEFAULT_PORT;	143	default_node.udp_port = DEFAULT_UDPPORT;
		144	default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
72	default_node.connectmode = conf_node::C_ALWAYS;	145	default_node.connectmode = conf_node::C_ALWAYS;
73	default_node.compress = true;	146	default_node.compress = true;
74	}	147	default_node.protocols = 0;
		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 ("");
75		152
		153	#if ENABLE_DNS
		154	default_node.dns_port = 0; // default is 0 == client
		155
		156	dns_case_preserving = true;
		157	dns_forw_host = strdup ("127.0.0.1");
		158	dns_forw_port = 53;
		159	dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
		160	dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
		161	dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
		162	dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
		163	#endif
		164
		165	conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
		166	}
		167
		168	void
76	void configuration::cleanup()	169	configuration::cleanup ()
77	{	170	{
78	if (rsa_key)	171	if (rsa_key)
79	RSA_free (rsa_key);	172	RSA_free (rsa_key);
80		173
81	free (ifname);
82
83	rsa_key = 0;	174	rsa_key = 0;
84	ifname = 0;	175
		176	free (pidfilename); pidfilename = 0;
		177	free (ifname); ifname = 0;
		178	#if ENABLE_HTTP_PROXY
		179	free (proxy_host); proxy_host = 0;
		180	free (proxy_auth); proxy_auth = 0;
		181	#endif
		182	#if ENABLE_DNS
		183	free (dns_forw_host); dns_forw_host = 0;
		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;
85	}	189	}
86		190
87	void	191	void
88	configuration::clear_config ()	192	configuration::clear ()
89	{	193	{
90	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)
91	delete *i;	195	delete *i;
92		196
93	nodes.clear ();	197	nodes.clear ();
94		198
95	cleanup ();	199	cleanup ();
96	init ();	200	init ();
97	}	201	}
98		202
99	void configuration::read_config (bool need_keys)	203	//static bool
		204	//is_true (const char *name)
		205	//{
		206	//re
		207	//}
		208
		209	#define parse_bool(target,name,trueval,falseval) do { \
		210	if (!strcmp (val, "yes")) target = trueval; \
		211	else if (!strcmp (val, "no")) target = falseval; \
		212	else if (!strcmp (val, "true")) target = trueval; \
		213	else if (!strcmp (val, "false")) target = falseval; \
		214	else if (!strcmp (val, "on")) target = trueval; \
		215	else if (!strcmp (val, "off")) target = falseval; \
		216	else \
		217	return _("illegal boolean value, only 'yes\|true\|on' or 'no\|false\|off' allowed, ignored"); \
		218	} while (0)
		219
		220	const char *
		221	configuration_parser::parse_line (char *line)
100	{	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	{
101	char *fname;	290	char *fname;
102	FILE *f;	291	FILE *f;
103		292
104	clear_config ();	293	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
105		294
106	asprintf (&fname, "%s/vped.conf", confbase);
107	f = fopen (fname, "r");	295	f = fopen (fname, "r");
		296	if (f)
		297	{
		298	node->rsa_key = RSA_new ();
108		299
109	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;
110	{	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	{
111	char line[16384];	559	char line [2048];
112	int lineno = 0;	560	int lineno = 0;
113	char var, val;
114	conf_node *node = &default_node;
115		561
116	while (fgets (line, sizeof (line), f))	562	while (fgets (line, sizeof (line), f))
117	{	563	{
118	lineno++;	564	lineno++;
119		565
120	{	566	const char *warn = parse_line (line);
121	char *end = line + strlen (line);
122		567
123	while (*end < ' ' && end >= line)	568	if (warn)
124	end--;	569	slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
125
126	*++end = 0;
127	}
128
129	char *tok = line;
130
131	retry:
132	var = strtok (tok, "\t =");
133	tok = 0;
134
135	if (!var \|\| !var[0])
136	continue; /* no tokens on this line */
137
138	if (var[0] == '#')
139	continue; /* comment: ignore */
140
141	val = strtok (NULL, "\t\n\r =");
142
143	if (!val \|\| val[0] == '#')
144	{
145	slog (L_WARN,
146	_("no value for variable `%s', at '%s' line %d"),
147	var, fname, lineno);
148	break;
149	}
150
151	if (!strcmp (var, "on"))
152	{
153	if (!::thisnode
154	\|\| (val[0] == '!' && strcmp (val + 1, ::thisnode))
155	\|\| !strcmp (val, ::thisnode))
156	goto retry;
157
158	continue;
159	}
160
161	// truly global
162	if (!strcmp (var, "loglevel"))
163	{
164	loglevel l = string_to_loglevel (val);
165
166	if (l != L_NONE)
167	set_loglevel (l);
168	else
169	slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
170	}
171
172	// per config
173	else if (!strcmp (var, "node"))
174	{
175	default_node.id++;
176
177	node = new conf_node (default_node);
178
179	nodes.push_back (node);
180
181	node->nodename = strdup (val);
182
183	{
184	char *fname;
185	FILE *f;
186
187	asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
188
189	f = fopen (fname, "r");
190	if (f)
191	{
192	node->rsa_key = RSA_new ();
193
194	if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
195	{
196	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
197	slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
198	exit (1);
199	}
200
201	RSA_blinding_on (node->rsa_key, 0);
202
203	fclose (f);
204	}
205	else
206	{
207	slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
208
209	if (need_keys)
210	exit (1);
211	}
212
213	free (fname);
214	}
215
216	if (!::thisnode \|\| !strcmp (node->nodename, ::thisnode))
217	thisnode = node;
218	}
219	else if (!strcmp (var, "private-key"))
220	prikeyfile = strdup (val);
221	else if (!strcmp (var, "ifpersist"))
222	{
223	if (!strcmp (val, "yes"))
224	ifpersist = true;
225	else if (!strcmp (val, "no"))
226	ifpersist = false;
227	else
228	slog (L_WARN,
229	_("illegal value for 'ifpersist', only 'yes' or 'no' allowed, at '%s' line %d"),
230	var, fname, lineno);
231	}
232	else if (!strcmp (var, "ifname"))
233	ifname = strdup (val);
234	else if (!strcmp (var, "rekey"))
235	rekey = atoi (val);
236	else if (!strcmp (var, "keepalive"))
237	keepalive = atoi (val);
238	else if (!strcmp (var, "mtu"))
239	mtu = atoi (val);
240	else if (!strcmp (var, "if-up"))
241	script_if_up = strdup (val);
242	else if (!strcmp (var, "node-up"))
243	script_node_up = strdup (val);
244	else if (!strcmp (var, "node-down"))
245	script_node_down = strdup (val);
246
247	/* node-specific, non-defaultable */
248	else if (node != &default_node && !strcmp (var, "hostname"))
249	{
250	free (node->hostname);
251	node->hostname = strdup (val);
252	}
253
254	/* node-specific, defaultable */
255	else if (!strcmp (var, "port"))
256	node->port = atoi (val);
257	else if (!strcmp (var, "router-priority"))
258	node->routerprio = atoi (val);
259	else if (!strcmp (var, "connect"))
260	{
261	if (!strcmp (val, "ondemand"))
262	node->connectmode = conf_node::C_ONDEMAND;
263	else if (!strcmp (val, "never"))
264	node->connectmode = conf_node::C_NEVER;
265	else if (!strcmp (val, "always"))
266	node->connectmode = conf_node::C_ALWAYS;
267	else
268	slog (L_WARN,
269	_("illegal value for 'connectmode', use one of 'ondemand', 'never' or 'always', at '%s' line %d"),
270	var, fname, lineno);
271	}
272	else if (!strcmp (var, "compress"))
273	{
274	if (!strcmp (val, "yes"))
275	node->compress = true;
276	else if (!strcmp (val, "no"))
277	node->compress = false;
278	else
279	slog (L_WARN,
280	_("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"),
281	var, fname, lineno);
282	}
283
284	// unknown or misplaced
285	else
286	{
287	slog (L_WARN,
288	_("unknown or misplaced variable `%s', at '%s' line %d"),
289	var, fname, lineno);
290	}
291	}	570	}
292		571
293	fclose (f);	572	fclose (f);
		573
		574	parse_argv ();
294	}	575	}
295	else	576	else
296	{	577	{
297	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));
298	exit (1);	579	exit (EXIT_FAILURE);
299	}	580	}
		581	}
300		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);
301	free (fname);	596	free (fname);
302		597
303	fname = config_filename (prikeyfile, "hostkey");	598	fname = conf.config_filename (conf.prikeyfile, "hostkey");
304		599
305	f = fopen (fname, "r");	600	if (FILE *f = fopen (fname, "r"))
306	if (f)
307	{	601	{
308	rsa_key = RSA_new ();	602	conf.rsa_key = RSA_new ();
309		603
310	if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))	604	if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
311	{	605	{
312	ERR_load_RSA_strings (); ERR_load_PEM_strings ();	606	ERR_load_RSA_strings (); ERR_load_PEM_strings ();
313	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));
314	exit (1);	608	exit (EXIT_FAILURE);
315	}	609	}
316		610
317	RSA_blinding_on (rsa_key, 0);	611	require (RSA_blinding_on (conf.rsa_key, 0));
318		612
319	fclose (f);	613	fclose (f);
320	}	614	}
321	else	615	else
322	{	616	{
323	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));	617	slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
324		618
325	if (need_keys)	619	if (need_keys)
326	exit (1);	620	exit (EXIT_FAILURE);
327	}	621	}
328		622
329	free (fname);	623	free (fname);
330	}
331		624
		625	if (need_keys && ::thisnode
		626	&& conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
		627	if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
		628	\|\| BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
		629	{
		630	slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
		631	exit (EXIT_FAILURE);
		632	}
		633
		634	for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
		635	(*i)->finalise ();
		636	}
		637
		638	char *
332	char configuration::config_filename (const char name, const char *dflt)	639	configuration::config_filename (const char name, const char dflt)
333	{	640	{
334	char *fname;	641	char *fname;
335		642
336	asprintf (&fname, name ? name : dflt, ::thisnode);	643	asprintf (&fname, name ? name : dflt, ::thisnode);
337		644
…		…
341	asprintf (&fname, "%s/%s", confbase, rname);	648	asprintf (&fname, "%s/%s", confbase, rname);
342	free (rname);	649	free (rname);
343	}	650	}
344		651
345	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	);
346	}	673	}
347		674
348	void	675	void
349	configuration::print ()	676	configuration::print ()
350	{	677	{
…		…
354	printf (_("MTU: %d\n"), mtu);	681	printf (_("MTU: %d\n"), mtu);
355	printf (_("rekeying interval: %d\n"), rekey);	682	printf (_("rekeying interval: %d\n"), rekey);
356	printf (_("keepalive interval: %d\n"), keepalive);	683	printf (_("keepalive interval: %d\n"), keepalive);
357	printf (_("interface: %s\n"), ifname);	684	printf (_("interface: %s\n"), ifname);
358	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");	685	printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
359	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);	686	printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
360	printf ("\n");	687	printf ("\n");
361		688
362	printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",	689	printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n",
363	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));	690	_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port"));
364		691
365	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)	692	for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
366	(*i)->print ();	693	(*i)->print ();
367		694
368	printf ("\n");	695	printf ("\n");
369	}	696	}
370		697
371	void	698	configuration::configuration ()
372	conf_node::print ()
373	{	699	{
374	printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n",	700	asprintf (&confbase, "%s/gvpe", CONFDIR);
375	id,
376	id >> 8, id & 0xff,
377	compress ? 'Y' : 'N',
378	connectmode == C_ONDEMAND ? "ondemand" :
379	connectmode == C_NEVER ? "never" :
380	connectmode == C_ALWAYS ? "always" : "",
381	nodename,
382	hostname ? hostname : "",
383	hostname ? ":" : "",
384	hostname ? port : 0
385	);
386	}
387		701
		702	init ();
		703	}
		704
		705	configuration::~configuration ()
		706	{
		707	cleanup ();
		708	}
		709

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing gvpe/src/conf.C (file contents): Revision 1.1 by pcg, Sat Mar 1 15:53:03 2003 UTC vs. Revision 1.56 by root, Sun Mar 6 21:01:36 2011 UTC

Diff Legend

Comparing gvpe/src/conf.C (file contents):
Revision 1.1 by pcg, Sat Mar 1 15:53:03 2003 UTC vs.
Revision 1.56 by root, Sun Mar 6 21:01:36 2011 UTC