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Comparing gvpe/src/conf.C (file contents):
Revision 1.25 by pcg, Mon May 10 20:13:09 2004 UTC vs.
Revision 1.42 by pcg, Mon Dec 5 12:58:08 2005 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) 2003-2005 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
6 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 10 (at your 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,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but 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
13 GNU General Public License for more details. 15 GNU General 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
16 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
17 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18*/ 20*/
19 21
20#include "config.h" 22#include "config.h"
21 23
22#include <cstdio> 24#include <cstdio>
… …
35#include <openssl/pem.h> 37#include <openssl/pem.h>
36#include <openssl/rsa.h> 38#include <openssl/rsa.h>
37#include <openssl/rand.h> 39#include <openssl/rand.h>
38#include <openssl/bn.h> 40#include <openssl/bn.h>
39 41
40#include "gettext.h"
41
42#include "conf.h" 42#include "conf.h"
43#include "slog.h" 43#include "slog.h"
44#include "util.h" 44#include "util.h"
45 45
46char *confbase; 46char *confbase;
… …
67 if (protocol & PROT_UDPv4 ) return "udp"; 67 if (protocol & PROT_UDPv4 ) return "udp";
68 if (protocol & PROT_TCPv4 ) return "tcp"; 68 if (protocol & PROT_TCPv4 ) return "tcp";
69 if (protocol & PROT_DNSv4 ) return "dns"; 69 if (protocol & PROT_DNSv4 ) return "dns";
70 70
71 return "<unknown>"; 71 return "<unknown>";
72}
73
74static bool
75match_list (const vector<const char *> &list, const char *str)
76{
77 for (vector<const char *>::const_iterator i = list.end (); i-- > list.begin (); )
78 if ((*i)[0] == '*' && !(*i)[1])
79 return true;
80 else if (!strcmp (*i, str))
81 return true;
82
83 return false;
84}
85
86bool
87conf_node::can_direct (struct conf_node *other)
88{
89 if (match_list (allow_direct, other->nodename))
90 return true;
91
92 if (match_list (deny_direct, other->nodename))
93 return false;
94
95 return true;
72} 96}
73 97
74void 98void
75conf_node::print () 99conf_node::print ()
76{ 100{
… …
88 ); 112 );
89} 113}
90 114
91conf_node::~conf_node () 115conf_node::~conf_node ()
92{ 116{
117#if 0
118 // does not work, because string pointers etc. are shared
119 // is not called, however
93 if (rsa_key) 120 if (rsa_key)
94 RSA_free (rsa_key); 121 RSA_free (rsa_key);
95 122
96 free (nodename); 123 free (nodename);
97 free (hostname); 124 free (hostname);
125 free (if_up_data);
126#if ENABLE_DNS
127 free (domain);
128 free (dns_hostname);
129#endif
130#endif
98} 131}
99 132
100void configuration::init () 133void configuration::init ()
101{ 134{
102 asprintf (&confbase, "%s/vpe", CONFDIR);
103
104 memset (this, 0, sizeof (*this)); 135 memset (this, 0, sizeof (*this));
105 136
106 mtu = DEFAULT_MTU; 137 mtu = DEFAULT_MTU;
107 rekey = DEFAULT_REKEY; 138 rekey = DEFAULT_REKEY;
108 keepalive = DEFAULT_KEEPALIVE; 139 keepalive = DEFAULT_KEEPALIVE;
… …
114 145
115 default_node.udp_port = DEFAULT_UDPPORT; 146 default_node.udp_port = DEFAULT_UDPPORT;
116 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm 147 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
117 default_node.connectmode = conf_node::C_ALWAYS; 148 default_node.connectmode = conf_node::C_ALWAYS;
118 default_node.compress = true; 149 default_node.compress = true;
119 default_node.protocols = PROT_UDPv4; 150 default_node.protocols = 0;
151 default_node.max_retry = DEFAULT_MAX_RETRY;
152 default_node.if_up_data = strdup ("");
120 153
154#if ENABLE_DNS
155 default_node.dns_port = 0; // default is 0 == client
156
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
121 conf.pidfilename = strdup (LOCALSTATEDIR "/run/vped.pid"); 165 conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
122} 166}
123 167
124void configuration::cleanup() 168void configuration::cleanup()
125{ 169{
126 if (rsa_key) 170 if (rsa_key)
127 RSA_free (rsa_key); 171 RSA_free (rsa_key);
128 172
129 rsa_key = 0; 173 rsa_key = 0;
130 174
131 free (pidfilename); pidfilename = 0; 175 free (pidfilename); pidfilename = 0;
132 free (ifname); ifname = 0; 176 free (ifname); ifname = 0;
133#if ENABLE_HTTP_PROXY 177#if ENABLE_HTTP_PROXY
134 free (proxy_host); proxy_host = 0; 178 free (proxy_host); proxy_host = 0;
135 free (proxy_auth); proxy_auth = 0; 179 free (proxy_auth); proxy_auth = 0;
180#endif
181#if ENABLE_DNS
182 free (dns_forw_host); dns_forw_host = 0;
136#endif 183#endif
137} 184}
138 185
139void 186void
140configuration::clear_config () 187configuration::clear ()
141{ 188{
142 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i) 189 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
143 delete *i; 190 delete *i;
144 191
145 nodes.clear (); 192 nodes.clear ();
146 193
147 cleanup (); 194 cleanup ();
148 init (); 195 init ();
149} 196}
150 197
151#define parse_bool(target,name,trueval,falseval) \ 198#define parse_bool(target,name,trueval,falseval) do { \
152 if (!strcmp (val, "yes")) target = trueval; \ 199 if (!strcmp (val, "yes")) target = trueval; \
153 else if (!strcmp (val, "no")) target = falseval; \ 200 else if (!strcmp (val, "no")) target = falseval; \
154 else if (!strcmp (val, "true")) target = trueval; \ 201 else if (!strcmp (val, "true")) target = trueval; \
155 else if (!strcmp (val, "false")) target = falseval; \ 202 else if (!strcmp (val, "false")) target = falseval; \
156 else if (!strcmp (val, "on")) target = trueval; \ 203 else if (!strcmp (val, "on")) target = trueval; \
157 else if (!strcmp (val, "off")) target = falseval; \ 204 else if (!strcmp (val, "off")) target = falseval; \
158 else \ 205 else \
159 slog (L_WARN, \ 206 return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed. (ignored)"); \
160 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ 207} while (0)
161 name, var, fname, lineno);
162 208
163void configuration::read_config (bool need_keys) 209const char *
210configuration_parser::parse_line (char *line)
211{
212 {
213 char *end = line + strlen (line);
214
215 while (*end < ' ' && end >= line)
216 end--;
217
218 *++end = 0;
219 }
220
221 char *tok = line;
222 const char *var = strtok (tok, "\t =");
223 tok = 0;
224
225 if (!var || !var[0])
226 return 0; /* no tokens on this line */
227
228 if (var[0] == '#')
229 return 0; /* comment: ignore */
230
231 char *val = strtok (NULL, "\t\n\r =");
232
233 if (!val || val[0] == '#')
234 return _("no value given for variable. (ignored)");
235
236 if (!strcmp (var, "on"))
237 {
238 if (!::thisnode
239 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
240 || !strcmp (val, ::thisnode))
241 return parse_line (strtok (NULL, "\n\r"));
242 else
243 return 0;
244 }
245
246 // truly global
247 if (!strcmp (var, "loglevel"))
248 {
249 loglevel l = string_to_loglevel (val);
250
251 if (l == L_NONE)
252 return _("unknown loglevel. (skipping)");
253 }
254 else if (!strcmp (var, "ip-proto"))
255 conf.ip_proto = atoi (val);
256 else if (!strcmp (var, "icmp-type"))
257 {
258#if ENABLE_ICMP
259 conf.icmp_type = atoi (val);
260#endif
261 }
262
263 // per config
264 else if (!strcmp (var, "node"))
265 {
266 parse_argv ();
267
268 conf.default_node.id++;
269 node = new conf_node (conf.default_node);
270 conf.nodes.push_back (node);
271 node->nodename = strdup (val);
272
273 {
274 char *fname;
275 FILE *f;
276
277 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
278
279 f = fopen (fname, "r");
280 if (f)
281 {
282 node->rsa_key = RSA_new ();
283
284 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
285 {
286 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
287 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
288 exit (EXIT_FAILURE);
289 }
290
291 require (RSA_blinding_on (node->rsa_key, 0));
292
293 fclose (f);
294 }
295 else
296 {
297 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
298
299 if (need_keys)
300 exit (EXIT_FAILURE);
301 }
302
303 free (fname);
304 }
305
306 if (::thisnode && !strcmp (node->nodename, ::thisnode))
307 conf.thisnode = node;
308 }
309 else if (!strcmp (var, "private-key"))
310 free (conf.prikeyfile), conf.prikeyfile = strdup (val);
311 else if (!strcmp (var, "ifpersist"))
312 parse_bool (conf.ifpersist, "ifpersist", true, false);
313 else if (!strcmp (var, "ifname"))
314 free (conf.ifname), conf.ifname = strdup (val);
315 else if (!strcmp (var, "rekey"))
316 conf.rekey = atoi (val);
317 else if (!strcmp (var, "keepalive"))
318 conf.keepalive = atoi (val);
319 else if (!strcmp (var, "mtu"))
320 conf.mtu = atoi (val);
321 else if (!strcmp (var, "if-up"))
322 free (conf.script_if_up), conf.script_if_up = strdup (val);
323 else if (!strcmp (var, "node-up"))
324 free (conf.script_node_up), conf.script_node_up = strdup (val);
325 else if (!strcmp (var, "node-down"))
326 free (conf.script_node_down), conf.script_node_down = strdup (val);
327 else if (!strcmp (var, "pid-file"))
328 free (conf.pidfilename), conf.pidfilename = strdup (val);
329 else if (!strcmp (var, "dns-forw-host"))
330 {
331#if ENABLE_DNS
332 free (conf.dns_forw_host), conf.dns_forw_host = strdup (val);
333#endif
334 }
335 else if (!strcmp (var, "dns-forw-port"))
336 {
337#if ENABLE_DNS
338 conf.dns_forw_port = atoi (val);
339#endif
340 }
341 else if (!strcmp (var, "dns-timeout-factor"))
342 {
343#if ENABLE_DNS
344 conf.dns_timeout_factor = atof (val);
345#endif
346 }
347 else if (!strcmp (var, "dns-send-interval"))
348 {
349#if ENABLE_DNS
350 conf.dns_send_interval = atoi (val);
351#endif
352 }
353 else if (!strcmp (var, "dns-overlap-factor"))
354 {
355#if ENABLE_DNS
356 conf.dns_overlap_factor = atof (val);
357#endif
358 }
359 else if (!strcmp (var, "dns-max-outstanding"))
360 {
361#if ENABLE_DNS
362 conf.dns_max_outstanding = atoi (val);
363#endif
364 }
365 else if (!strcmp (var, "http-proxy-host"))
366 {
367#if ENABLE_HTTP_PROXY
368 free (conf.proxy_host), conf.proxy_host = strdup (val);
369#endif
370 }
371 else if (!strcmp (var, "http-proxy-port"))
372 {
373#if ENABLE_HTTP_PROXY
374 conf.proxy_port = atoi (val);
375#endif
376 }
377 else if (!strcmp (var, "http-proxy-auth"))
378 {
379#if ENABLE_HTTP_PROXY
380 conf.proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
381#endif
382 }
383
384 /* node-specific, non-defaultable */
385 else if (node != &conf.default_node && !strcmp (var, "hostname"))
386 free (node->hostname), node->hostname = strdup (val);
387
388 /* node-specific, defaultable */
389 else if (!strcmp (var, "udp-port"))
390 node->udp_port = atoi (val);
391 else if (!strcmp (var, "tcp-port"))
392 node->tcp_port = atoi (val);
393 else if (!strcmp (var, "dns-hostname"))
394 {
395#if ENABLE_DNS
396 free (node->dns_hostname), node->dns_hostname = strdup (val);
397#endif
398 }
399 else if (!strcmp (var, "dns-port"))
400 {
401#if ENABLE_DNS
402 node->dns_port = atoi (val);
403#endif
404 }
405 else if (!strcmp (var, "dns-domain"))
406 {
407#if ENABLE_DNS
408 free (node->domain), node->domain = strdup (val);
409#endif
410 }
411 else if (!strcmp (var, "if-up-data"))
412 free (node->if_up_data), node->if_up_data = strdup (val);
413 else if (!strcmp (var, "router-priority"))
414 node->routerprio = atoi (val);
415 else if (!strcmp (var, "max-retry"))
416 node->max_retry = atoi (val);
417 else if (!strcmp (var, "connect"))
418 {
419 if (!strcmp (val, "ondemand"))
420 node->connectmode = conf_node::C_ONDEMAND;
421 else if (!strcmp (val, "never"))
422 node->connectmode = conf_node::C_NEVER;
423 else if (!strcmp (val, "always"))
424 node->connectmode = conf_node::C_ALWAYS;
425 else if (!strcmp (val, "disabled"))
426 node->connectmode = conf_node::C_DISABLED;
427 else
428 return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)");
429 }
430 else if (!strcmp (var, "inherit-tos"))
431 parse_bool (node->inherit_tos, "inherit-tos", true, false);
432 else if (!strcmp (var, "compress"))
433 parse_bool (node->compress, "compress", true, false);
434 // all these bool options really really cost a lot of executable size!
435 else if (!strcmp (var, "enable-tcp"))
436 {
437#if ENABLE_TCP
438 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
439#endif
440 }
441 else if (!strcmp (var, "enable-icmp"))
442 {
443#if ENABLE_ICMP
444 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
445#endif
446 }
447 else if (!strcmp (var, "enable-dns"))
448 {
449#if ENABLE_DNS
450 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
451#endif
452 }
453 else if (!strcmp (var, "enable-udp"))
454 {
455 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
456 }
457 else if (!strcmp (var, "enable-rawip"))
458 {
459 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
460 }
461 else if (!strcmp (var, "allow-direct"))
462 node->allow_direct.push_back (strdup (val));
463 else if (!strcmp (var, "deny-direct"))
464 node->deny_direct.push_back (strdup (val));
465
466 // unknown or misplaced
467 else
468 return _("unknown configuration directive. (ignored)");
469
470 return 0;
471}
472
473void configuration_parser::parse_argv ()
474{
475 for (int i = 0; i < argc; ++i)
476 {
477 char *v = argv [i];
478
479 if (!*v)
480 continue;
481
482 char *enode = v;
483
484 while (*enode != '.' && *enode > ' ' && *enode != '=' && *enode)
485 enode++;
486
487 if (*enode != '.')
488 enode = 0;
489
490 char *wnode = node == &conf.default_node
491 ? 0
492 : node->nodename;
493
494 if ((!wnode && !enode)
495 || (wnode && enode && !strncmp (wnode, v, enode - v)))
496 {
497 const char *warn = parse_line (enode ? enode + 1 : v);
498
499 if (warn)
500 slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v);
501
502 *v = 0;
503 }
504 }
505}
506
507configuration_parser::configuration_parser (configuration &conf,
508 bool need_keys,
509 int argc,
510 char **argv)
511: conf (conf),need_keys (need_keys), argc (argc), argv (argv)
164{ 512{
165 char *fname; 513 char *fname;
166 FILE *f; 514 FILE *f;
167 515
168 clear_config (); 516 conf.clear ();
169 517
170 asprintf (&fname, "%s/vped.conf", confbase); 518 asprintf (&fname, "%s/gvpe.conf", confbase);
171 f = fopen (fname, "r"); 519 f = fopen (fname, "r");
172 520
173 if (f) 521 if (f)
174 { 522 {
175 char line[16384]; 523 char line[16384];
176 int lineno = 0; 524 int lineno = 0;
177 char *var, *val; 525 node = &conf.default_node;
178 conf_node *node = &default_node;
179 526
180 while (fgets (line, sizeof (line), f)) 527 while (fgets (line, sizeof (line), f))
181 { 528 {
182 lineno++; 529 lineno++;
183 530
184 { 531 const char *warn = parse_line (line);
185 char *end = line + strlen (line);
186 532
187 while (*end < ' ' && end >= line) 533 if (warn)
188 end--; 534 slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
189
190 *++end = 0;
191 }
192
193 char *tok = line;
194
195retry:
196 var = strtok (tok, "\t =");
197 tok = 0;
198
199 if (!var || !var[0])
200 continue; /* no tokens on this line */
201
202 if (var[0] == '#')
203 continue; /* comment: ignore */
204
205 val = strtok (NULL, "\t\n\r =");
206
207 if (!val || val[0] == '#')
208 {
209 slog (L_WARN,
210 _("no value for variable `%s', at '%s' line %d"),
211 var, fname, lineno);
212 break;
213 }
214
215 if (!strcmp (var, "on"))
216 {
217 if (!::thisnode
218 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
219 || !strcmp (val, ::thisnode))
220 goto retry;
221
222 continue;
223 }
224
225 // truly global
226 if (!strcmp (var, "loglevel"))
227 {
228 loglevel l = string_to_loglevel (val);
229
230 if (l != L_NONE)
231 llevel = l;
232 else
233 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
234 }
235 else if (!strcmp (var, "ip-proto"))
236 ip_proto = atoi (val);
237 else if (!strcmp (var, "icmp-type"))
238 {
239#if ENABLE_ICMP
240 icmp_type = atoi (val);
241#endif
242 }
243
244 // per config
245 else if (!strcmp (var, "node"))
246 {
247 default_node.id++;
248
249 node = new conf_node (default_node);
250
251 nodes.push_back (node);
252
253 node->nodename = strdup (val);
254
255 {
256 char *fname;
257 FILE *f;
258
259 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
260
261 f = fopen (fname, "r");
262 if (f)
263 {
264 node->rsa_key = RSA_new ();
265
266 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
267 {
268 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
269 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
270 exit (EXIT_FAILURE);
271 }
272
273 require (RSA_blinding_on (node->rsa_key, 0));
274
275 fclose (f);
276 }
277 else
278 {
279 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
280
281 if (need_keys)
282 exit (EXIT_FAILURE);
283 }
284
285 free (fname);
286 }
287
288 if (::thisnode && !strcmp (node->nodename, ::thisnode))
289 thisnode = node;
290 }
291 else if (!strcmp (var, "private-key"))
292 free (prikeyfile), prikeyfile = strdup (val);
293 else if (!strcmp (var, "ifpersist"))
294 {
295 parse_bool (ifpersist, "ifpersist", true, false);
296 }
297 else if (!strcmp (var, "ifname"))
298 free (ifname), ifname = strdup (val);
299 else if (!strcmp (var, "rekey"))
300 rekey = atoi (val);
301 else if (!strcmp (var, "keepalive"))
302 keepalive = atoi (val);
303 else if (!strcmp (var, "mtu"))
304 mtu = atoi (val);
305 else if (!strcmp (var, "if-up"))
306 free (script_if_up), script_if_up = strdup (val);
307 else if (!strcmp (var, "node-up"))
308 free (script_node_up), script_node_up = strdup (val);
309 else if (!strcmp (var, "node-down"))
310 free (script_node_down), script_node_down = strdup (val);
311 else if (!strcmp (var, "pid-file"))
312 free (pidfilename), pidfilename = strdup (val);
313 else if (!strcmp (var, "http-proxy-host"))
314 {
315#if ENABLE_HTTP_PROXY
316 free (proxy_host), proxy_host = strdup (val);
317#endif
318 }
319 else if (!strcmp (var, "http-proxy-port"))
320 {
321#if ENABLE_HTTP_PROXY
322 proxy_port = atoi (val);
323#endif
324 }
325 else if (!strcmp (var, "http-proxy-auth"))
326 {
327#if ENABLE_HTTP_PROXY
328 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
329#endif
330 }
331
332 /* node-specific, non-defaultable */
333 else if (node != &default_node && !strcmp (var, "hostname"))
334 free (node->hostname), node->hostname = strdup (val);
335
336 /* node-specific, defaultable */
337 else if (!strcmp (var, "udp-port"))
338 node->udp_port = atoi (val);
339 else if (!strcmp (var, "tcp-port"))
340 node->tcp_port = atoi (val);
341 else if (!strcmp (var, "dns-port"))
342 node->dns_port = atoi (val);
343 else if (!strcmp (var, "router-priority"))
344 node->routerprio = atoi (val);
345 else if (!strcmp (var, "connect"))
346 {
347 if (!strcmp (val, "ondemand"))
348 node->connectmode = conf_node::C_ONDEMAND;
349 else if (!strcmp (val, "never"))
350 node->connectmode = conf_node::C_NEVER;
351 else if (!strcmp (val, "always"))
352 node->connectmode = conf_node::C_ALWAYS;
353 else if (!strcmp (val, "disabled"))
354 node->connectmode = conf_node::C_DISABLED;
355 else
356 slog (L_WARN,
357 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
358 var, fname, lineno);
359 }
360 else if (!strcmp (var, "inherit-tos"))
361 {
362 parse_bool (node->inherit_tos, "inherit-tos", true, false);
363 }
364 else if (!strcmp (var, "compress"))
365 {
366 parse_bool (node->compress, "compress", true, false);
367 }
368 // all these bool options really really cost a lot of executable size!
369 else if (!strcmp (var, "enable-tcp"))
370 {
371#if ENABLE_TCP
372 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
373#endif
374 }
375 else if (!strcmp (var, "enable-icmp"))
376 {
377#if ENABLE_ICMP
378 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
379#endif
380 }
381 else if (!strcmp (var, "enable-dns"))
382 {
383#if ENABLE_DNS
384 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
385#endif
386 }
387 else if (!strcmp (var, "enable-udp"))
388 {
389 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
390 }
391 else if (!strcmp (var, "enable-rawip"))
392 {;
393 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
394 }
395
396 // unknown or misplaced
397 else
398 slog (L_WARN,
399 _("unknown or misplaced variable `%s', at '%s' line %d"),
400 var, fname, lineno);
401 } 535 }
402 536
403 fclose (f); 537 fclose (f);
538
539 parse_argv ();
404 } 540 }
405 else 541 else
406 { 542 {
407 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); 543 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
408 exit (EXIT_FAILURE); 544 exit (EXIT_FAILURE);
409 } 545 }
410 546
411 free (fname); 547 free (fname);
412 548
413 fname = config_filename (prikeyfile, "hostkey"); 549 fname = conf.config_filename (conf.prikeyfile, "hostkey");
414 550
415 f = fopen (fname, "r"); 551 f = fopen (fname, "r");
416 if (f) 552 if (f)
417 { 553 {
418 rsa_key = RSA_new (); 554 conf.rsa_key = RSA_new ();
419 555
420 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) 556 if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
421 { 557 {
422 ERR_load_RSA_strings (); ERR_load_PEM_strings (); 558 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
423 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); 559 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
424 exit (EXIT_FAILURE); 560 exit (EXIT_FAILURE);
425 } 561 }
426 562
427 require (RSA_blinding_on (rsa_key, 0)); 563 require (RSA_blinding_on (conf.rsa_key, 0));
428 564
429 fclose (f); 565 fclose (f);
430 } 566 }
431 else 567 else
432 { 568 {
… …
435 if (need_keys) 571 if (need_keys)
436 exit (EXIT_FAILURE); 572 exit (EXIT_FAILURE);
437 } 573 }
438 574
439 if (need_keys && ::thisnode 575 if (need_keys && ::thisnode
440 && rsa_key && thisnode && thisnode->rsa_key) 576 && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
441 if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0 577 if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0
442 || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0) 578 || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
443 { 579 {
444 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode); 580 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
445 exit (EXIT_FAILURE); 581 exit (EXIT_FAILURE);
446 } 582 }
447 583
… …
487 printf ("\n"); 623 printf ("\n");
488} 624}
489 625
490configuration::configuration () 626configuration::configuration ()
491{ 627{
628 asprintf (&confbase, "%s/gvpe", CONFDIR);
629
492 init (); 630 init ();
493} 631}
494 632
495configuration::~configuration () 633configuration::~configuration ()
496{ 634{

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