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Comparing gvpe/src/conf.C (file contents):
Revision 1.24 by pcg, Fri Apr 2 14:42:45 2004 UTC vs.
Revision 1.44 by pcg, Thu Aug 7 17:54:26 2008 UTC

1/* 1/*
2 conf.c -- configuration code 2 conf.c -- configuration code
3 Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> 3 Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE.
6
5 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
6 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
7 the Free Software Foundation; either version 2 of the License, or 9 Free Software Foundation; either version 3 of the License, or (at your
8 (at your option) any later version. 10 option) any later version.
9 11
10 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
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
13 GNU General Public License for more details. 15 Public License for more details.
14 16
15 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
16 along with this program; if not, write to the Free Software 18 with this program; if not, see <http://www.gnu.org/licenses/>.
17 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.
18*/ 30*/
19 31
20#include "config.h" 32#include "config.h"
21 33
22#include <cstdio> 34#include <cstdio>
35#include <openssl/pem.h> 47#include <openssl/pem.h>
36#include <openssl/rsa.h> 48#include <openssl/rsa.h>
37#include <openssl/rand.h> 49#include <openssl/rand.h>
38#include <openssl/bn.h> 50#include <openssl/bn.h>
39 51
40#include "gettext.h"
41
42#include "conf.h" 52#include "conf.h"
43#include "slog.h" 53#include "slog.h"
44#include "util.h" 54#include "util.h"
45 55
46char *confbase; 56char *confbase;
67 if (protocol & PROT_UDPv4 ) return "udp"; 77 if (protocol & PROT_UDPv4 ) return "udp";
68 if (protocol & PROT_TCPv4 ) return "tcp"; 78 if (protocol & PROT_TCPv4 ) return "tcp";
69 if (protocol & PROT_DNSv4 ) return "dns"; 79 if (protocol & PROT_DNSv4 ) return "dns";
70 80
71 return "<unknown>"; 81 return "<unknown>";
82}
83
84static bool
85match_list (const vector<const char *> &list, const char *str)
86{
87 for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
88 if ((*i)[0] == '*' && !(*i)[1])
89 return true;
90 else if (!strcmp (*i, str))
91 return true;
92
93 return false;
94}
95
96bool
97conf_node::can_direct (struct conf_node *other)
98{
99 if (match_list (allow_direct, other->nodename))
100 return true;
101
102 if (match_list (deny_direct, other->nodename))
103 return false;
104
105 return true;
72} 106}
73 107
74void 108void
75conf_node::print () 109conf_node::print ()
76{ 110{
88 ); 122 );
89} 123}
90 124
91conf_node::~conf_node () 125conf_node::~conf_node ()
92{ 126{
127#if 0
128 // does not work, because string pointers etc. are shared
129 // is not called, however
93 if (rsa_key) 130 if (rsa_key)
94 RSA_free (rsa_key); 131 RSA_free (rsa_key);
95 132
96 free (nodename); 133 free (nodename);
97 free (hostname); 134 free (hostname);
135 free (if_up_data);
136#if ENABLE_DNS
137 free (domain);
138 free (dns_hostname);
139#endif
140#endif
98} 141}
99 142
100void configuration::init () 143void configuration::init ()
101{ 144{
102 memset (this, 0, sizeof (*this)); 145 memset (this, 0, sizeof (*this));
112 155
113 default_node.udp_port = DEFAULT_UDPPORT; 156 default_node.udp_port = DEFAULT_UDPPORT;
114 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm 157 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
115 default_node.connectmode = conf_node::C_ALWAYS; 158 default_node.connectmode = conf_node::C_ALWAYS;
116 default_node.compress = true; 159 default_node.compress = true;
117 default_node.protocols = PROT_UDPv4; 160 default_node.protocols = 0;
161 default_node.max_retry = DEFAULT_MAX_RETRY;
162 default_node.max_ttl = DEFAULT_MAX_TTL;
163 default_node.max_queue = DEFAULT_MAX_QUEUE;
164 default_node.if_up_data = strdup ("");
165
166#if ENABLE_DNS
167 default_node.dns_port = 0; // default is 0 == client
168
169 dns_forw_host = strdup ("127.0.0.1");
170 dns_forw_port = 53;
171 dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR;
172 dns_send_interval = DEFAULT_DNS_SEND_INTERVAL;
173 dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR;
174 dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING;
175#endif
176
177 conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
118} 178}
119 179
120void configuration::cleanup() 180void configuration::cleanup()
121{ 181{
122 if (rsa_key) 182 if (rsa_key)
123 RSA_free (rsa_key); 183 RSA_free (rsa_key);
124 184
125 rsa_key = 0; 185 rsa_key = 0;
126 186
127 free (pidfilename); pidfilename = 0; 187 free (pidfilename); pidfilename = 0;
128 free (ifname); ifname = 0; 188 free (ifname); ifname = 0;
129#if ENABLE_HTTP_PROXY 189#if ENABLE_HTTP_PROXY
130 free (proxy_host); proxy_host = 0; 190 free (proxy_host); proxy_host = 0;
131 free (proxy_auth); proxy_auth = 0; 191 free (proxy_auth); proxy_auth = 0;
192#endif
193#if ENABLE_DNS
194 free (dns_forw_host); dns_forw_host = 0;
132#endif 195#endif
133} 196}
134 197
135void 198void
136configuration::clear_config () 199configuration::clear ()
137{ 200{
138 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i) 201 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
139 delete *i; 202 delete *i;
140 203
141 nodes.clear (); 204 nodes.clear ();
142 205
143 cleanup (); 206 cleanup ();
144 init (); 207 init ();
145} 208}
146 209
147#define parse_bool(target,name,trueval,falseval) \ 210#define parse_bool(target,name,trueval,falseval) do { \
148 if (!strcmp (val, "yes")) target = trueval; \ 211 if (!strcmp (val, "yes")) target = trueval; \
149 else if (!strcmp (val, "no")) target = falseval; \ 212 else if (!strcmp (val, "no")) target = falseval; \
150 else if (!strcmp (val, "true")) target = trueval; \ 213 else if (!strcmp (val, "true")) target = trueval; \
151 else if (!strcmp (val, "false")) target = falseval; \ 214 else if (!strcmp (val, "false")) target = falseval; \
152 else if (!strcmp (val, "on")) target = trueval; \ 215 else if (!strcmp (val, "on")) target = trueval; \
153 else if (!strcmp (val, "off")) target = falseval; \ 216 else if (!strcmp (val, "off")) target = falseval; \
154 else \ 217 else \
155 slog (L_WARN, \ 218 return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed. (ignored)"); \
156 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ 219} while (0)
157 name, var, fname, lineno);
158 220
159void configuration::read_config (bool need_keys) 221const char *
222configuration_parser::parse_line (char *line)
223{
224 {
225 char *end = line + strlen (line);
226
227 while (*end < ' ' && end >= line)
228 end--;
229
230 *++end = 0;
231 }
232
233 char *tok = line;
234 const char *var = strtok (tok, "\t =");
235 tok = 0;
236
237 if (!var || !var[0])
238 return 0; /* no tokens on this line */
239
240 if (var[0] == '#')
241 return 0; /* comment: ignore */
242
243 char *val = strtok (NULL, "\t\n\r =");
244
245 if (!val || val[0] == '#')
246 return _("no value given for variable. (ignored)");
247
248 if (!strcmp (var, "on"))
249 {
250 if (!::thisnode
251 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
252 || !strcmp (val, ::thisnode))
253 return parse_line (strtok (NULL, "\n\r"));
254 else
255 return 0;
256 }
257
258 // truly global
259 if (!strcmp (var, "loglevel"))
260 {
261 loglevel l = string_to_loglevel (val);
262
263 if (l == L_NONE)
264 return _("unknown loglevel. (skipping)");
265 }
266 else if (!strcmp (var, "ip-proto"))
267 conf.ip_proto = atoi (val);
268 else if (!strcmp (var, "icmp-type"))
269 {
270#if ENABLE_ICMP
271 conf.icmp_type = atoi (val);
272#endif
273 }
274
275 // per config
276 else if (!strcmp (var, "node"))
277 {
278 parse_argv ();
279
280 conf.default_node.id++;
281 node = new conf_node (conf.default_node);
282 conf.nodes.push_back (node);
283 node->nodename = strdup (val);
284
285 {
286 char *fname;
287 FILE *f;
288
289 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
290
291 f = fopen (fname, "r");
292 if (f)
293 {
294 node->rsa_key = RSA_new ();
295
296 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
297 {
298 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
299 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
300 exit (EXIT_FAILURE);
301 }
302
303 require (RSA_blinding_on (node->rsa_key, 0));
304
305 fclose (f);
306 }
307 else
308 {
309 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
310
311 if (need_keys)
312 exit (EXIT_FAILURE);
313 }
314
315 free (fname);
316 }
317
318 if (::thisnode && !strcmp (node->nodename, ::thisnode))
319 conf.thisnode = node;
320 }
321 else if (!strcmp (var, "private-key"))
322 free (conf.prikeyfile), conf.prikeyfile = strdup (val);
323 else if (!strcmp (var, "ifpersist"))
324 parse_bool (conf.ifpersist, "ifpersist", true, false);
325 else if (!strcmp (var, "ifname"))
326 free (conf.ifname), conf.ifname = strdup (val);
327 else if (!strcmp (var, "rekey"))
328 conf.rekey = atoi (val);
329 else if (!strcmp (var, "keepalive"))
330 conf.keepalive = atoi (val);
331 else if (!strcmp (var, "mtu"))
332 conf.mtu = atoi (val);
333 else if (!strcmp (var, "if-up"))
334 free (conf.script_if_up), conf.script_if_up = strdup (val);
335 else if (!strcmp (var, "node-up"))
336 free (conf.script_node_up), conf.script_node_up = strdup (val);
337 else if (!strcmp (var, "node-down"))
338 free (conf.script_node_down), conf.script_node_down = strdup (val);
339 else if (!strcmp (var, "pid-file"))
340 free (conf.pidfilename), conf.pidfilename = strdup (val);
341 else if (!strcmp (var, "dns-forw-host"))
342 {
343#if ENABLE_DNS
344 free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
345#endif
346 }
347 else if (!strcmp (var, "dns-forw-port"))
348 {
349#if ENABLE_DNS
350 conf.dns_forw_port = atoi (val);
351#endif
352 }
353 else if (!strcmp (var, "dns-timeout-factor"))
354 {
355#if ENABLE_DNS
356 conf.dns_timeout_factor = atof (val);
357#endif
358 }
359 else if (!strcmp (var, "dns-send-interval"))
360 {
361#if ENABLE_DNS
362 conf.dns_send_interval = atoi (val);
363#endif
364 }
365 else if (!strcmp (var, "dns-overlap-factor"))
366 {
367#if ENABLE_DNS
368 conf.dns_overlap_factor = atof (val);
369#endif
370 }
371 else if (!strcmp (var, "dns-max-outstanding"))
372 {
373#if ENABLE_DNS
374 conf.dns_max_outstanding = atoi (val);
375#endif
376 }
377 else if (!strcmp (var, "http-proxy-host"))
378 {
379#if ENABLE_HTTP_PROXY
380 free (conf.proxy_host), conf.proxy_host = strdup (val);
381#endif
382 }
383 else if (!strcmp (var, "http-proxy-port"))
384 {
385#if ENABLE_HTTP_PROXY
386 conf.proxy_port = atoi (val);
387#endif
388 }
389 else if (!strcmp (var, "http-proxy-auth"))
390 {
391#if ENABLE_HTTP_PROXY
392 conf.proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
393#endif
394 }
395
396 /* node-specific, non-defaultable */
397 else if (node != &conf.default_node && !strcmp (var, "hostname"))
398 free (node->hostname), node->hostname = strdup (val);
399
400 /* node-specific, defaultable */
401 else if (!strcmp (var, "udp-port"))
402 node->udp_port = atoi (val);
403 else if (!strcmp (var, "tcp-port"))
404 node->tcp_port = atoi (val);
405 else if (!strcmp (var, "dns-hostname"))
406 {
407#if ENABLE_DNS
408 free (node->dns_hostname), node->dns_hostname = strdup (val);
409#endif
410 }
411 else if (!strcmp (var, "dns-port"))
412 {
413#if ENABLE_DNS
414 node->dns_port = atoi (val);
415#endif
416 }
417 else if (!strcmp (var, "dns-domain"))
418 {
419#if ENABLE_DNS
420 free (node->domain), node->domain = strdup (val);
421#endif
422 }
423 else if (!strcmp (var, "if-up-data"))
424 free (node->if_up_data), node->if_up_data = strdup (val);
425 else if (!strcmp (var, "router-priority"))
426 node->routerprio = atoi (val);
427 else if (!strcmp (var, "max-retry"))
428 node->max_retry = atoi (val);
429 else if (!strcmp (var, "connect"))
430 {
431 if (!strcmp (val, "ondemand"))
432 node->connectmode = conf_node::C_ONDEMAND;
433 else if (!strcmp (val, "never"))
434 node->connectmode = conf_node::C_NEVER;
435 else if (!strcmp (val, "always"))
436 node->connectmode = conf_node::C_ALWAYS;
437 else if (!strcmp (val, "disabled"))
438 node->connectmode = conf_node::C_DISABLED;
439 else
440 return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
441 }
442 else if (!strcmp (var, "inherit-tos"))
443 parse_bool (node->inherit_tos, "inherit-tos", true, false);
444 else if (!strcmp (var, "compress"))
445 parse_bool (node->compress, "compress", true, false);
446 // all these bool options really really cost a lot of executable size!
447 else if (!strcmp (var, "enable-tcp"))
448 {
449#if ENABLE_TCP
450 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
451#endif
452 }
453 else if (!strcmp (var, "enable-icmp"))
454 {
455#if ENABLE_ICMP
456 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
457#endif
458 }
459 else if (!strcmp (var, "enable-dns"))
460 {
461#if ENABLE_DNS
462 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
463#endif
464 }
465 else if (!strcmp (var, "enable-udp"))
466 {
467 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
468 }
469 else if (!strcmp (var, "enable-rawip"))
470 {
471 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
472 }
473 else if (!strcmp (var, "allow-direct"))
474 node->allow_direct.push_back (strdup (val));
475 else if (!strcmp (var, "deny-direct"))
476 node->deny_direct.push_back (strdup (val));
477 else if (!strcmp (var, "max-ttl"))
478 node->max_ttl = atof (val);
479 else if (!strcmp (var, "max-queue"))
480 node->max_queue = atoi (val);
481
482 // unknown or misplaced
483 else
484 return _("unknown configuration directive. (ignored)");
485
486 return 0;
487}
488
489void configuration_parser::parse_argv ()
490{
491 for (int i = 0; i < argc; ++i)
492 {
493 char *v = argv [i];
494
495 if (!*v)
496 continue;
497
498 char *enode = v;
499
500 while (*enode != '.' && *enode > ' ' && *enode != '=' && *enode)
501 enode++;
502
503 if (*enode != '.')
504 enode = 0;
505
506 char *wnode = node == &conf.default_node
507 ? 0
508 : node->nodename;
509
510 if ((!wnode && !enode)
511 || (wnode && enode && !strncmp (wnode, v, enode - v)))
512 {
513 const char *warn = parse_line (enode ? enode + 1 : v);
514
515 if (warn)
516 slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
517
518 *v = 0;
519 }
520 }
521}
522
523configuration_parser::configuration_parser (configuration &conf,
524 bool need_keys,
525 int argc,
526 char **argv)
527: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
160{ 528{
161 char *fname; 529 char *fname;
162 FILE *f; 530 FILE *f;
163 531
164 clear_config (); 532 conf.clear ();
165 533
166 asprintf (&fname, "%s/vped.conf", confbase); 534 asprintf (&fname, "%s/gvpe.conf", confbase);
167 f = fopen (fname, "r"); 535 f = fopen (fname, "r");
168 536
169 if (f) 537 if (f)
170 { 538 {
171 char line[16384]; 539 char line[16384];
172 int lineno = 0; 540 int lineno = 0;
173 char *var, *val; 541 node = &conf.default_node;
174 conf_node *node = &default_node;
175 542
176 while (fgets (line, sizeof (line), f)) 543 while (fgets (line, sizeof (line), f))
177 { 544 {
178 lineno++; 545 lineno++;
179 546
180 { 547 const char *warn = parse_line (line);
181 char *end = line + strlen (line);
182 548
183 while (*end < ' ' && end >= line) 549 if (warn)
184 end--; 550 slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
185
186 *++end = 0;
187 }
188
189 char *tok = line;
190
191retry:
192 var = strtok (tok, "\t =");
193 tok = 0;
194
195 if (!var || !var[0])
196 continue; /* no tokens on this line */
197
198 if (var[0] == '#')
199 continue; /* comment: ignore */
200
201 val = strtok (NULL, "\t\n\r =");
202
203 if (!val || val[0] == '#')
204 {
205 slog (L_WARN,
206 _("no value for variable `%s', at '%s' line %d"),
207 var, fname, lineno);
208 break;
209 }
210
211 if (!strcmp (var, "on"))
212 {
213 if (!::thisnode
214 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
215 || !strcmp (val, ::thisnode))
216 goto retry;
217
218 continue;
219 }
220
221 // truly global
222 if (!strcmp (var, "loglevel"))
223 {
224 loglevel l = string_to_loglevel (val);
225
226 if (l != L_NONE)
227 llevel = l;
228 else
229 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
230 }
231 else if (!strcmp (var, "ip-proto"))
232 ip_proto = atoi (val);
233 else if (!strcmp (var, "icmp-type"))
234 {
235#if ENABLE_ICMP
236 icmp_type = atoi (val);
237#endif
238 }
239
240 // per config
241 else if (!strcmp (var, "node"))
242 {
243 default_node.id++;
244
245 node = new conf_node (default_node);
246
247 nodes.push_back (node);
248
249 node->nodename = strdup (val);
250
251 {
252 char *fname;
253 FILE *f;
254
255 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
256
257 f = fopen (fname, "r");
258 if (f)
259 {
260 node->rsa_key = RSA_new ();
261
262 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
263 {
264 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
265 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
266 exit (EXIT_FAILURE);
267 }
268
269 require (RSA_blinding_on (node->rsa_key, 0));
270
271 fclose (f);
272 }
273 else
274 {
275 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
276
277 if (need_keys)
278 exit (EXIT_FAILURE);
279 }
280
281 free (fname);
282 }
283
284 if (::thisnode && !strcmp (node->nodename, ::thisnode))
285 thisnode = node;
286 }
287 else if (!strcmp (var, "private-key"))
288 free (prikeyfile), prikeyfile = strdup (val);
289 else if (!strcmp (var, "ifpersist"))
290 {
291 parse_bool (ifpersist, "ifpersist", true, false);
292 }
293 else if (!strcmp (var, "ifname"))
294 free (ifname), ifname = strdup (val);
295 else if (!strcmp (var, "rekey"))
296 rekey = atoi (val);
297 else if (!strcmp (var, "keepalive"))
298 keepalive = atoi (val);
299 else if (!strcmp (var, "mtu"))
300 mtu = atoi (val);
301 else if (!strcmp (var, "if-up"))
302 free (script_if_up), script_if_up = strdup (val);
303 else if (!strcmp (var, "node-up"))
304 free (script_node_up), script_node_up = strdup (val);
305 else if (!strcmp (var, "node-down"))
306 free (script_node_down), script_node_down = strdup (val);
307 else if (!strcmp (var, "pid-file"))
308 free (pidfilename), pidfilename = strdup (val);
309 else if (!strcmp (var, "http-proxy-host"))
310 {
311#if ENABLE_HTTP_PROXY
312 free (proxy_host), proxy_host = strdup (val);
313#endif
314 }
315 else if (!strcmp (var, "http-proxy-port"))
316 {
317#if ENABLE_HTTP_PROXY
318 proxy_port = atoi (val);
319#endif
320 }
321 else if (!strcmp (var, "http-proxy-auth"))
322 {
323#if ENABLE_HTTP_PROXY
324 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
325#endif
326 }
327
328 /* node-specific, non-defaultable */
329 else if (node != &default_node && !strcmp (var, "hostname"))
330 free (node->hostname), node->hostname = strdup (val);
331
332 /* node-specific, defaultable */
333 else if (!strcmp (var, "udp-port"))
334 node->udp_port = atoi (val);
335 else if (!strcmp (var, "tcp-port"))
336 node->tcp_port = atoi (val);
337 else if (!strcmp (var, "dns-port"))
338 node->dns_port = atoi (val);
339 else if (!strcmp (var, "router-priority"))
340 node->routerprio = atoi (val);
341 else if (!strcmp (var, "connect"))
342 {
343 if (!strcmp (val, "ondemand"))
344 node->connectmode = conf_node::C_ONDEMAND;
345 else if (!strcmp (val, "never"))
346 node->connectmode = conf_node::C_NEVER;
347 else if (!strcmp (val, "always"))
348 node->connectmode = conf_node::C_ALWAYS;
349 else if (!strcmp (val, "disabled"))
350 node->connectmode = conf_node::C_DISABLED;
351 else
352 slog (L_WARN,
353 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
354 var, fname, lineno);
355 }
356 else if (!strcmp (var, "inherit-tos"))
357 {
358 parse_bool (node->inherit_tos, "inherit-tos", true, false);
359 }
360 else if (!strcmp (var, "compress"))
361 {
362 parse_bool (node->compress, "compress", true, false);
363 }
364 // all these bool options really really cost a lot of executable size!
365 else if (!strcmp (var, "enable-tcp"))
366 {
367#if ENABLE_TCP
368 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
369#endif
370 }
371 else if (!strcmp (var, "enable-icmp"))
372 {
373#if ENABLE_ICMP
374 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
375#endif
376 }
377 else if (!strcmp (var, "enable-dns"))
378 {
379#if ENABLE_DNS
380 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
381#endif
382 }
383 else if (!strcmp (var, "enable-udp"))
384 {
385 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
386 }
387 else if (!strcmp (var, "enable-rawip"))
388 {;
389 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
390 }
391
392 // unknown or misplaced
393 else
394 slog (L_WARN,
395 _("unknown or misplaced variable `%s', at '%s' line %d"),
396 var, fname, lineno);
397 } 551 }
398 552
399 fclose (f); 553 fclose (f);
554
555 parse_argv ();
400 } 556 }
401 else 557 else
402 { 558 {
403 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); 559 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
404 exit (EXIT_FAILURE); 560 exit (EXIT_FAILURE);
405 } 561 }
406 562
407 free (fname); 563 free (fname);
408 564
409 fname = config_filename (prikeyfile, "hostkey"); 565 fname = conf.config_filename (conf.prikeyfile, "hostkey");
410 566
411 f = fopen (fname, "r"); 567 f = fopen (fname, "r");
412 if (f) 568 if (f)
413 { 569 {
414 rsa_key = RSA_new (); 570 conf.rsa_key = RSA_new ();
415 571
416 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) 572 if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
417 { 573 {
418 ERR_load_RSA_strings (); ERR_load_PEM_strings (); 574 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
419 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); 575 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
420 exit (EXIT_FAILURE); 576 exit (EXIT_FAILURE);
421 } 577 }
422 578
423 require (RSA_blinding_on (rsa_key, 0)); 579 require (RSA_blinding_on (conf.rsa_key, 0));
424 580
425 fclose (f); 581 fclose (f);
426 } 582 }
427 else 583 else
428 { 584 {
431 if (need_keys) 587 if (need_keys)
432 exit (EXIT_FAILURE); 588 exit (EXIT_FAILURE);
433 } 589 }
434 590
435 if (need_keys && ::thisnode 591 if (need_keys && ::thisnode
436 && rsa_key && thisnode && thisnode->rsa_key) 592 && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
437 if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0 593 if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
438 || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0) 594 || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
439 { 595 {
440 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode); 596 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
441 exit (EXIT_FAILURE); 597 exit (EXIT_FAILURE);
442 } 598 }
443 599
483 printf ("\n"); 639 printf ("\n");
484} 640}
485 641
486configuration::configuration () 642configuration::configuration ()
487{ 643{
644 asprintf (&confbase, "%s/gvpe", CONFDIR);
645
488 init (); 646 init ();
489} 647}
490 648
491configuration::~configuration () 649configuration::~configuration ()
492{ 650{

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