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Revision: 1.61
Committed: Tue Jul 16 16:44:36 2013 UTC (10 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.60: +8 -4 lines
Log Message:
3.x

File Contents

# Content
1 /*
2 conf.C -- configuration code
3 Copyright (C) 2003-2008,2011 Marc Lehmann <gvpe@schmorp.de>
4
5 This file is part of GVPE.
6
7 GVPE is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15 Public License for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, see <http://www.gnu.org/licenses/>.
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.
30 */
31
32 #include "config.h"
33
34 #include <cstdio>
35 #include <cstdlib>
36 #include <cstring>
37
38 #include <errno.h>
39 #include <netdb.h>
40 #include <sys/stat.h>
41 #include <sys/types.h>
42 #include <unistd.h>
43 #include <pwd.h>
44
45 #include "netcompat.h"
46
47 #include <openssl/err.h>
48 #include <openssl/pem.h>
49 #include <openssl/rsa.h>
50 #include <openssl/rand.h>
51 #include <openssl/bn.h>
52
53 #include "conf.h"
54 #include "slog.h"
55 #include "util.h"
56
57 char *confbase;
58 char *thisnode;
59 char *identname;
60
61 struct configuration conf;
62
63 u8
64 best_protocol (u8 protset)
65 {
66 if (protset & PROT_IPv4 ) return PROT_IPv4;
67 if (protset & PROT_ICMPv4) return PROT_ICMPv4;
68 if (protset & PROT_UDPv4 ) return PROT_UDPv4;
69 if (protset & PROT_TCPv4 ) return PROT_TCPv4;
70 if (protset & PROT_DNSv4 ) return PROT_DNSv4;
71
72 return 0;
73 }
74
75 const char *
76 strprotocol (u8 protocol)
77 {
78 if (protocol & PROT_IPv4 ) return "rawip";
79 if (protocol & PROT_ICMPv4) return "icmp";
80 if (protocol & PROT_UDPv4 ) return "udp";
81 if (protocol & PROT_TCPv4 ) return "tcp";
82 if (protocol & PROT_DNSv4 ) return "dns";
83
84 return "<unknown>";
85 }
86
87 static bool
88 match_list (const vector<const char *> &list, const char *str)
89 {
90 for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
91 if ((*i)[0] == '*' && !(*i)[1])
92 return true;
93 else if (!strcmp (*i, str))
94 return true;
95
96 return false;
97 }
98
99 bool
100 conf_node::may_direct (struct conf_node *other)
101 {
102 if (match_list (allow_direct, other->nodename))
103 return true;
104
105 if (match_list (deny_direct, other->nodename))
106 return false;
107
108 return true;
109 }
110
111 conf_node::~conf_node ()
112 {
113 #if 0
114 // does not work, because string pointers etc. are shared
115 // is not called, however
116 if (rsa_key)
117 RSA_free (rsa_key);
118
119 free (nodename);
120 free (hostname);
121 free (if_up_data);
122 #if ENABLE_DNS
123 free (domain);
124 free (dns_hostname);
125 #endif
126 #endif
127 }
128
129 void
130 configuration::init ()
131 {
132 memset (this, 0, sizeof (*this));
133
134 mtu = DEFAULT_MTU;
135 nfmark = 0;
136 rekey = DEFAULT_REKEY;
137 keepalive = DEFAULT_KEEPALIVE;
138 llevel = L_INFO;
139 ip_proto = IPPROTO_GRE;
140 #if ENABLE_ICMP
141 icmp_type = ICMP_ECHOREPLY;
142 #endif
143
144 default_node.udp_port = DEFAULT_UDPPORT;
145 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
146 default_node.connectmode = conf_node::C_ALWAYS;
147 default_node.compress = true;
148 default_node.protocols = 0;
149 default_node.max_retry = DEFAULT_MAX_RETRY;
150 default_node.max_ttl = DEFAULT_MAX_TTL;
151 default_node.max_queue = DEFAULT_MAX_QUEUE;
152 default_node.if_up_data = strdup ("");
153
154 #if ENABLE_DNS
155 default_node.dns_port = 0; // default is 0 == client
156
157 dns_case_preserving = true;
158 dns_forw_host = strdup ("127.0.0.1");
159 dns_forw_port = 53;
160 dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
161 dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
162 dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
163 dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
164 #endif
165
166 pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
167 seed_dev = strdup ("/dev/urandom");
168 reseed = DEFAULT_RESEED;
169 }
170
171 void
172 configuration::cleanup ()
173 {
174 if (rsa_key)
175 RSA_free (rsa_key);
176
177 rsa_key = 0;
178
179 free (seed_dev); seed_dev = 0;
180 free (pidfilename); pidfilename = 0;
181 free (ifname); ifname = 0;
182 #if ENABLE_HTTP_PROXY
183 free (proxy_host); proxy_host = 0;
184 free (proxy_auth); proxy_auth = 0;
185 #endif
186 #if ENABLE_DNS
187 free (dns_forw_host); dns_forw_host = 0;
188 #endif
189 free (change_root); change_root = 0;
190 free (script_if_up); script_if_up = 0;
191 free (script_node_up); script_node_up = 0;
192 free (script_node_change); script_node_change = 0;
193 free (script_node_down); script_node_down = 0;
194 }
195
196 void
197 configuration::clear ()
198 {
199 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
200 delete *i;
201
202 nodes.clear ();
203
204 cleanup ();
205 init ();
206 }
207
208 //static bool
209 //is_true (const char *name)
210 //{
211 //re
212 //}
213
214 #define parse_bool(target,name,trueval,falseval) do { \
215 if (!strcmp (val, "yes")) target = trueval; \
216 else if (!strcmp (val, "no")) target = falseval; \
217 else if (!strcmp (val, "true")) target = trueval; \
218 else if (!strcmp (val, "false")) target = falseval; \
219 else if (!strcmp (val, "on")) target = trueval; \
220 else if (!strcmp (val, "off")) target = falseval; \
221 else \
222 return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed, ignored"); \
223 } while (0)
224
225 const char *
226 configuration_parser::parse_line (char *line)
227 {
228 {
229 char *end = line + strlen (line);
230
231 while (*end < ' ' && end >= line)
232 end--;
233
234 *++end = 0;
235 }
236
237 char *tok = line;
238 const char *var = strtok (tok, "\t =");
239 tok = 0;
240
241 if (!var || !var[0])
242 return 0; /* no tokens on this line */
243
244 if (var[0] == '#')
245 return 0; /* comment: ignore */
246
247 char *val = strtok (NULL, "\t\n\r =");
248
249 if (!val || val[0] == '#')
250 return _("no value given for variable, ignored");
251
252 else if (!strcmp (var, "on"))
253 {
254 if (::thisnode
255 && ((val[0] == '!' && strcmp (val + 1, ::thisnode))
256 || !strcmp (val, ::thisnode)))
257 return parse_line (strtok (NULL, "\n\r"));
258 }
259
260 else if (!strcmp (var, "include"))
261 {
262 char *fname = conf.config_filename (val);
263 parse_file (fname);
264 free (fname);
265 }
266
267 // truly global
268 else if (!strcmp (var, "loglevel"))
269 {
270 loglevel l = string_to_loglevel (val);
271
272 if (l == L_NONE)
273 return _("unknown loglevel, ignored");
274 }
275 else if (!strcmp (var, "ip-proto"))
276 conf.ip_proto = atoi (val);
277 else if (!strcmp (var, "icmp-type"))
278 {
279 #if ENABLE_ICMP
280 conf.icmp_type = atoi (val);
281 #endif
282 }
283 else if (!strcmp (var, "chuser"))
284 {
285 struct passwd *pw = getpwnam (val);
286 if (!pw)
287 return _("user specified for chuser not found");
288
289 conf.change_uid = pw->pw_uid;
290 conf.change_gid = pw->pw_gid;
291 }
292 else if (!strcmp (var, "chuid"))
293 conf.change_uid = atoi (val);
294 else if (!strcmp (var, "chgid"))
295 conf.change_gid = atoi (val);
296 else if (!strcmp (var, "chroot"))
297 free (conf.change_root), conf.change_root = strdup (val);
298
299 // per node
300 else if (!strcmp (var, "node"))
301 {
302 parse_argv ();
303
304 conf.default_node.id++;
305 node = new conf_node (conf.default_node);
306 conf.nodes.push_back (node);
307 node->nodename = strdup (val);
308
309 {
310 char *fname;
311 FILE *f;
312
313 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
314
315 f = fopen (fname, "r");
316 if (f)
317 {
318 node->rsa_key = RSA_new ();
319
320 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
321 {
322 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
323 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
324 exit (EXIT_FAILURE);
325 }
326
327 require (RSA_blinding_on (node->rsa_key, 0));
328
329 fclose (f);
330 }
331 else
332 {
333 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
334
335 if (need_keys)
336 exit (EXIT_FAILURE);
337 }
338
339 free (fname);
340 }
341
342 if (::thisnode && !strcmp (node->nodename, ::thisnode))
343 conf.thisnode = node;
344 }
345 else if (!strcmp (var, "private-key"))
346 free (conf.prikeyfile), conf.prikeyfile = strdup (val);
347 else if (!strcmp (var, "ifpersist"))
348 parse_bool (conf.ifpersist, "ifpersist", true, false);
349 else if (!strcmp (var, "ifname"))
350 free (conf.ifname), conf.ifname = strdup (val);
351 else if (!strcmp (var, "rekey"))
352 conf.rekey = atoi (val);
353 else if (!strcmp (var, "keepalive"))
354 conf.keepalive = atoi (val);
355 else if (!strcmp (var, "mtu"))
356 conf.mtu = atoi (val);
357 else if (!strcmp (var, "nfmark"))
358 conf.nfmark = atoi (val);
359 else if (!strcmp (var, "seed-device"))
360 free (conf.seed_dev), conf.seed_dev = strdup (val);
361 else if (!strcmp (var, "seed-interval"))
362 conf.reseed = atoi (val);
363 else if (!strcmp (var, "if-up"))
364 free (conf.script_if_up), conf.script_if_up = strdup (val);
365 else if (!strcmp (var, "node-up"))
366 free (conf.script_node_up), conf.script_node_up = strdup (val);
367 else if (!strcmp (var, "node-change"))
368 free (conf.script_node_change), conf.script_node_change = strdup (val);
369 else if (!strcmp (var, "node-down"))
370 free (conf.script_node_down), conf.script_node_down = strdup (val);
371 else if (!strcmp (var, "pid-file"))
372 free (conf.pidfilename), conf.pidfilename = strdup (val);
373 else if (!strcmp (var, "dns-forw-host"))
374 {
375 #if ENABLE_DNS
376 free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
377 #endif
378 }
379 else if (!strcmp (var, "dns-forw-port"))
380 {
381 #if ENABLE_DNS
382 conf.dns_forw_port = atoi (val);
383 #endif
384 }
385 else if (!strcmp (var, "dns-timeout-factor"))
386 {
387 #if ENABLE_DNS
388 conf.dns_timeout_factor = atof (val);
389 #endif
390 }
391 else if (!strcmp (var, "dns-send-interval"))
392 {
393 #if ENABLE_DNS
394 conf.dns_send_interval = atoi (val);
395 #endif
396 }
397 else if (!strcmp (var, "dns-overlap-factor"))
398 {
399 #if ENABLE_DNS
400 conf.dns_overlap_factor = atof (val);
401 #endif
402 }
403 else if (!strcmp (var, "dns-max-outstanding"))
404 {
405 #if ENABLE_DNS
406 conf.dns_max_outstanding = atoi (val);
407 #endif
408 }
409 else if (!strcmp (var, "dns-case-preserving"))
410 {
411 #if ENABLE_DNS
412 parse_bool (conf.dns_case_preserving, "dns-case-preserving", true, false);
413 #endif
414 }
415 else if (!strcmp (var, "http-proxy-host"))
416 {
417 #if ENABLE_HTTP_PROXY
418 free (conf.proxy_host), conf.proxy_host = strdup (val);
419 #endif
420 }
421 else if (!strcmp (var, "http-proxy-port"))
422 {
423 #if ENABLE_HTTP_PROXY
424 conf.proxy_port = atoi (val);
425 #endif
426 }
427 else if (!strcmp (var, "http-proxy-auth"))
428 {
429 #if ENABLE_HTTP_PROXY
430 conf.proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
431 #endif
432 }
433
434 /* node-specific, non-defaultable */
435 else if (node != &conf.default_node && !strcmp (var, "hostname"))
436 free (node->hostname), node->hostname = strdup (val);
437
438 /* node-specific, defaultable */
439 else if (!strcmp (var, "udp-port"))
440 node->udp_port = atoi (val);
441 else if (!strcmp (var, "tcp-port"))
442 node->tcp_port = atoi (val);
443 else if (!strcmp (var, "dns-hostname"))
444 {
445 #if ENABLE_DNS
446 free (node->dns_hostname), node->dns_hostname = strdup (val);
447 #endif
448 }
449 else if (!strcmp (var, "dns-port"))
450 {
451 #if ENABLE_DNS
452 node->dns_port = atoi (val);
453 #endif
454 }
455 else if (!strcmp (var, "dns-domain"))
456 {
457 #if ENABLE_DNS
458 free (node->domain), node->domain = strdup (val);
459 #endif
460 }
461 else if (!strcmp (var, "if-up-data"))
462 free (node->if_up_data), node->if_up_data = strdup (val);
463 else if (!strcmp (var, "router-priority"))
464 node->routerprio = atoi (val);
465 else if (!strcmp (var, "max-retry"))
466 node->max_retry = atoi (val);
467 else if (!strcmp (var, "connect"))
468 {
469 if (!strcmp (val, "ondemand"))
470 node->connectmode = conf_node::C_ONDEMAND;
471 else if (!strcmp (val, "never"))
472 node->connectmode = conf_node::C_NEVER;
473 else if (!strcmp (val, "always"))
474 node->connectmode = conf_node::C_ALWAYS;
475 else if (!strcmp (val, "disabled"))
476 node->connectmode = conf_node::C_DISABLED;
477 else
478 return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', ignored");
479 }
480 else if (!strcmp (var, "inherit-tos"))
481 parse_bool (node->inherit_tos, "inherit-tos", true, false);
482 else if (!strcmp (var, "compress"))
483 parse_bool (node->compress, "compress", true, false);
484 // all these bool options really really cost a lot of executable size!
485 else if (!strcmp (var, "enable-tcp"))
486 {
487 #if ENABLE_TCP
488 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
489 #endif
490 }
491 else if (!strcmp (var, "enable-icmp"))
492 {
493 #if ENABLE_ICMP
494 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
495 #endif
496 }
497 else if (!strcmp (var, "enable-dns"))
498 {
499 #if ENABLE_DNS
500 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
501 #endif
502 }
503 else if (!strcmp (var, "enable-udp"))
504 {
505 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
506 }
507 else if (!strcmp (var, "enable-rawip"))
508 {
509 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
510 }
511 else if (!strcmp (var, "allow-direct"))
512 node->allow_direct.push_back (strdup (val));
513 else if (!strcmp (var, "deny-direct"))
514 node->deny_direct.push_back (strdup (val));
515 else if (!strcmp (var, "max-ttl"))
516 node->max_ttl = atof (val);
517 else if (!strcmp (var, "max-queue"))
518 node->max_queue = atoi (val);
519
520 // unknown or misplaced
521 else
522 return _("unknown configuration directive - ignored");
523
524 return 0;
525 }
526
527 void
528 conf_node::finalise ()
529 {
530 if (max_queue < 1)
531 {
532 slog (L_WARN, _("%s: max-queue value invalid, setting it to 1."), nodename);
533 max_queue = 1;
534 }
535
536 if (routerprio > 1 && (connectmode != C_ALWAYS && connectmode != C_DISABLED))
537 {
538 //slog (L_WARN, _("%s: has non-zero router-priority but either 'never' or 'ondemand' as connectmode, setting it to 'always'."), nodename);
539 connectmode = C_ALWAYS;
540 }
541 }
542
543 void
544 configuration_parser::parse_argv ()
545 {
546 for (int i = 0; i < argc; ++i)
547 {
548 char *v = argv [i];
549
550 if (!*v)
551 continue;
552
553 char *enode = v;
554
555 while (*enode != '.' && *enode > ' ' && *enode != '=' && *enode)
556 enode++;
557
558 if (*enode != '.')
559 enode = 0;
560
561 char *wnode = node == &conf.default_node
562 ? 0
563 : node->nodename;
564
565 if ((!wnode && !enode)
566 || (wnode && enode && !strncmp (wnode, v, enode - v)))
567 {
568 const char *warn = parse_line (enode ? enode + 1 : v);
569
570 if (warn)
571 slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
572
573 *v = 0;
574 }
575 }
576 }
577
578 void
579 configuration_parser::parse_file (const char *fname)
580 {
581 if (FILE *f = fopen (fname, "r"))
582 {
583 char line [2048];
584 int lineno = 0;
585
586 while (fgets (line, sizeof (line), f))
587 {
588 lineno++;
589
590 const char *warn = parse_line (line);
591
592 if (warn)
593 slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
594 }
595
596 fclose (f);
597
598 parse_argv ();
599 }
600 else
601 {
602 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
603 exit (EXIT_FAILURE);
604 }
605 }
606
607 configuration_parser::configuration_parser (configuration &conf,
608 bool need_keys,
609 int argc,
610 char **argv)
611 : conf (conf),need_keys (need_keys), argc (argc), argv (argv)
612 {
613 char *fname;
614
615 conf.clear ();
616 node = &conf.default_node;
617
618 asprintf (&fname, "%s/gvpe.conf", confbase);
619 parse_file (fname);
620 free (fname);
621
622 fname = conf.config_filename (conf.prikeyfile, "hostkey");
623
624 if (FILE *f = fopen (fname, "r"))
625 {
626 conf.rsa_key = RSA_new ();
627
628 if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
629 {
630 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
631 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
632 exit (EXIT_FAILURE);
633 }
634
635 require (RSA_blinding_on (conf.rsa_key, 0));
636
637 fclose (f);
638 }
639 else
640 {
641 if (need_keys)
642 {
643 slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
644 exit (EXIT_FAILURE);
645 }
646 }
647
648 free (fname);
649
650 if (need_keys && ::thisnode
651 && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
652 if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
653 || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
654 {
655 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
656 exit (EXIT_FAILURE);
657 }
658
659 fname = conf.config_filename (conf.pidfilename);
660 free (conf.pidfilename); conf.pidfilename = fname;
661
662 for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i)
663 (*i)->finalise ();
664 }
665
666 char *
667 configuration::config_filename (const char *name, const char *dflt)
668 {
669 char *fname;
670
671 asprintf (&fname, name ? name : dflt, ::thisnode ? ::thisnode : "<unset>");
672
673 if (!ABSOLUTE_PATH (fname))
674 {
675 char *rname = fname;
676 asprintf (&fname, "%s/%s", confbase, rname);
677 free (rname);
678 }
679
680 return fname;
681 }
682
683 void
684 conf_node::print ()
685 {
686 printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %02x %s%s%d\n",
687 id,
688 id >> 8, id & 0xff,
689 compress ? 'Y' : 'N',
690 connectmode == C_ONDEMAND ? "ondemand"
691 : connectmode == C_NEVER ? "never"
692 : connectmode == C_ALWAYS ? "always"
693 : connectmode == C_DISABLED ? "disabled"
694 : "",
695 nodename,
696 protocols,
697 hostname ? hostname : "",
698 hostname ? ":" : "",
699 hostname ? udp_port : 0
700 );
701 }
702
703 void
704 configuration::print ()
705 {
706 printf (_("\nConfiguration\n\n"));
707 printf (_("# of nodes: %d\n"), nodes.size ());
708 printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
709 printf (_("MTU: %d\n"), mtu);
710 printf (_("rekeying interval: %d\n"), rekey);
711 printf (_("keepalive interval: %d\n"), keepalive);
712 printf (_("interface: %s\n"), ifname);
713 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
714 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
715 printf ("\n");
716
717 printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n",
718 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port"));
719
720 for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
721 (*i)->print ();
722
723 printf ("\n");
724 }
725
726 configuration::configuration ()
727 {
728 asprintf (&confbase, "%s/gvpe", CONFDIR);
729
730 init ();
731 }
732
733 configuration::~configuration ()
734 {
735 cleanup ();
736 }
737