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Comparing gvpe/src/conf.C (file contents):
Revision 1.23 by pcg, Thu Jan 29 19:30:08 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;
47char *thisnode; 47char *thisnode;
48char *identname; 48char *identname;
49char *pidfilename;
50 49
51struct configuration conf; 50struct configuration conf;
52 51
53u8 best_protocol (u8 protset) 52u8 best_protocol (u8 protset)
54{ 53{
55 if (protset & PROT_IPv4 ) return PROT_IPv4; 54 if (protset & PROT_IPv4 ) return PROT_IPv4;
56 if (protset & PROT_ICMPv4) return PROT_ICMPv4; 55 if (protset & PROT_ICMPv4) return PROT_ICMPv4;
57 if (protset & PROT_UDPv4 ) return PROT_UDPv4; 56 if (protset & PROT_UDPv4 ) return PROT_UDPv4;
58 if (protset & PROT_TCPv4 ) return PROT_TCPv4; 57 if (protset & PROT_TCPv4 ) return PROT_TCPv4;
58 if (protset & PROT_DNSv4 ) return PROT_DNSv4;
59 59
60 return 0; 60 return 0;
61} 61}
62 62
63const char *strprotocol (u8 protocol) 63const char *strprotocol (u8 protocol)
64{ 64{
65 if (protocol & PROT_IPv4 ) return "rawip"; 65 if (protocol & PROT_IPv4 ) return "rawip";
66 if (protocol & PROT_ICMPv4) return "icmp"; 66 if (protocol & PROT_ICMPv4) return "icmp";
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 70
70 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;
71} 96}
72 97
73void 98void
74conf_node::print () 99conf_node::print ()
75{ 100{
… …
87 ); 112 );
88} 113}
89 114
90conf_node::~conf_node () 115conf_node::~conf_node ()
91{ 116{
117#if 0
118 // does not work, because string pointers etc. are shared
119 // is not called, however
92 if (rsa_key) 120 if (rsa_key)
93 RSA_free (rsa_key); 121 RSA_free (rsa_key);
94 122
95 free (nodename); 123 free (nodename);
96 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
97} 131}
98 132
99void configuration::init () 133void configuration::init ()
100{ 134{
101 memset (this, 0, sizeof (*this)); 135 memset (this, 0, sizeof (*this));
… …
108#if ENABLE_ICMP 142#if ENABLE_ICMP
109 icmp_type = ICMP_ECHOREPLY; 143 icmp_type = ICMP_ECHOREPLY;
110#endif 144#endif
111 145
112 default_node.udp_port = DEFAULT_UDPPORT; 146 default_node.udp_port = DEFAULT_UDPPORT;
113 default_node.tcp_port = DEFAULT_UDPPORT; 147 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
114 default_node.connectmode = conf_node::C_ALWAYS; 148 default_node.connectmode = conf_node::C_ALWAYS;
115 default_node.compress = true; 149 default_node.compress = true;
116 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 ("");
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
165 conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
117} 166}
118 167
119void configuration::cleanup() 168void configuration::cleanup()
120{ 169{
121 if (rsa_key) 170 if (rsa_key)
122 RSA_free (rsa_key); 171 RSA_free (rsa_key);
123 172
124 rsa_key = 0; 173 rsa_key = 0;
125 174
175 free (pidfilename); pidfilename = 0;
126 free (ifname); ifname = 0; 176 free (ifname); ifname = 0;
127#if ENABLE_HTTP_PROXY 177#if ENABLE_HTTP_PROXY
128 free (proxy_host); proxy_host = 0; 178 free (proxy_host); proxy_host = 0;
129 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;
130#endif 183#endif
131} 184}
132 185
133void 186void
134configuration::clear_config () 187configuration::clear ()
135{ 188{
136 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)
137 delete *i; 190 delete *i;
138 191
139 nodes.clear (); 192 nodes.clear ();
140 193
141 cleanup (); 194 cleanup ();
142 init (); 195 init ();
143} 196}
144 197
145#define parse_bool(target,name,trueval,falseval) \ 198#define parse_bool(target,name,trueval,falseval) do { \
146 if (!strcmp (val, "yes")) target = trueval; \ 199 if (!strcmp (val, "yes")) target = trueval; \
147 else if (!strcmp (val, "no")) target = falseval; \ 200 else if (!strcmp (val, "no")) target = falseval; \
148 else if (!strcmp (val, "true")) target = trueval; \ 201 else if (!strcmp (val, "true")) target = trueval; \
149 else if (!strcmp (val, "false")) target = falseval; \ 202 else if (!strcmp (val, "false")) target = falseval; \
150 else if (!strcmp (val, "on")) target = trueval; \ 203 else if (!strcmp (val, "on")) target = trueval; \
151 else if (!strcmp (val, "off")) target = falseval; \ 204 else if (!strcmp (val, "off")) target = falseval; \
152 else \ 205 else \
153 slog (L_WARN, \ 206 return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed. (ignored)"); \
154 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ 207} while (0)
155 name, var, fname, lineno);
156 208
157void 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)
158{ 512{
159 char *fname; 513 char *fname;
160 FILE *f; 514 FILE *f;
161 515
162 clear_config (); 516 conf.clear ();
163 517
164 asprintf (&fname, "%s/vped.conf", confbase); 518 asprintf (&fname, "%s/gvpe.conf", confbase);
165 f = fopen (fname, "r"); 519 f = fopen (fname, "r");
166 520
167 if (f) 521 if (f)
168 { 522 {
169 char line[16384]; 523 char line[16384];
170 int lineno = 0; 524 int lineno = 0;
171 char *var, *val; 525 node = &conf.default_node;
172 conf_node *node = &default_node;
173 526
174 while (fgets (line, sizeof (line), f)) 527 while (fgets (line, sizeof (line), f))
175 { 528 {
176 lineno++; 529 lineno++;
177 530
178 { 531 const char *warn = parse_line (line);
179 char *end = line + strlen (line);
180 532
181 while (*end < ' ' && end >= line) 533 if (warn)
182 end--; 534 slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
183
184 *++end = 0;
185 }
186
187 char *tok = line;
188
189retry:
190 var = strtok (tok, "\t =");
191 tok = 0;
192
193 if (!var || !var[0])
194 continue; /* no tokens on this line */
195
196 if (var[0] == '#')
197 continue; /* comment: ignore */
198
199 val = strtok (NULL, "\t\n\r =");
200
201 if (!val || val[0] == '#')
202 {
203 slog (L_WARN,
204 _("no value for variable `%s', at '%s' line %d"),
205 var, fname, lineno);
206 break;
207 }
208
209 if (!strcmp (var, "on"))
210 {
211 if (!::thisnode
212 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
213 || !strcmp (val, ::thisnode))
214 goto retry;
215
216 continue;
217 }
218
219 // truly global
220 if (!strcmp (var, "loglevel"))
221 {
222 loglevel l = string_to_loglevel (val);
223
224 if (l != L_NONE)
225 llevel = l;
226 else
227 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
228 }
229 else if (!strcmp (var, "ip-proto"))
230 ip_proto = atoi (val);
231 else if (!strcmp (var, "icmp-type"))
232 {
233#if ENABLE_ICMP
234 icmp_type = atoi (val);
235#endif
236 }
237
238 // per config
239 else if (!strcmp (var, "node"))
240 {
241 default_node.id++;
242
243 node = new conf_node (default_node);
244
245 nodes.push_back (node);
246
247 node->nodename = strdup (val);
248
249 {
250 char *fname;
251 FILE *f;
252
253 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
254
255 f = fopen (fname, "r");
256 if (f)
257 {
258 node->rsa_key = RSA_new ();
259
260 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
261 {
262 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
263 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
264 exit (EXIT_FAILURE);
265 }
266
267 require (RSA_blinding_on (node->rsa_key, 0));
268
269 fclose (f);
270 }
271 else
272 {
273 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
274
275 if (need_keys)
276 exit (EXIT_FAILURE);
277 }
278
279 free (fname);
280 }
281
282 if (::thisnode && !strcmp (node->nodename, ::thisnode))
283 thisnode = node;
284 }
285 else if (!strcmp (var, "private-key"))
286 prikeyfile = strdup (val);
287 else if (!strcmp (var, "ifpersist"))
288 {
289 parse_bool (ifpersist, "ifpersist", true, false);
290 }
291 else if (!strcmp (var, "ifname"))
292 ifname = strdup (val);
293 else if (!strcmp (var, "rekey"))
294 rekey = atoi (val);
295 else if (!strcmp (var, "keepalive"))
296 keepalive = atoi (val);
297 else if (!strcmp (var, "mtu"))
298 mtu = atoi (val);
299 else if (!strcmp (var, "if-up"))
300 script_if_up = strdup (val);
301 else if (!strcmp (var, "node-up"))
302 script_node_up = strdup (val);
303 else if (!strcmp (var, "node-down"))
304 script_node_down = strdup (val);
305 else if (!strcmp (var, "http-proxy-host"))
306 {
307#if ENABLE_HTTP_PROXY
308 proxy_host = strdup (val);
309#endif
310 }
311 else if (!strcmp (var, "http-proxy-port"))
312 {
313#if ENABLE_HTTP_PROXY
314 proxy_port = atoi (val);
315#endif
316 }
317 else if (!strcmp (var, "http-proxy-auth"))
318 {
319#if ENABLE_HTTP_PROXY
320 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
321#endif
322 }
323
324 /* node-specific, non-defaultable */
325 else if (node != &default_node && !strcmp (var, "hostname"))
326 {
327 free (node->hostname);
328 node->hostname = strdup (val);
329 }
330
331 /* node-specific, defaultable */
332 else if (!strcmp (var, "udp-port"))
333 node->udp_port = atoi (val);
334 else if (!strcmp (var, "tcp-port"))
335 node->tcp_port = atoi (val);
336 else if (!strcmp (var, "router-priority"))
337 node->routerprio = atoi (val);
338 else if (!strcmp (var, "connect"))
339 {
340 if (!strcmp (val, "ondemand"))
341 node->connectmode = conf_node::C_ONDEMAND;
342 else if (!strcmp (val, "never"))
343 node->connectmode = conf_node::C_NEVER;
344 else if (!strcmp (val, "always"))
345 node->connectmode = conf_node::C_ALWAYS;
346 else if (!strcmp (val, "disabled"))
347 node->connectmode = conf_node::C_DISABLED;
348 else
349 slog (L_WARN,
350 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
351 var, fname, lineno);
352 }
353 else if (!strcmp (var, "inherit-tos"))
354 {
355 parse_bool (node->inherit_tos, "inherit-tos", true, false);
356 }
357 else if (!strcmp (var, "compress"))
358 {
359 parse_bool (node->compress, "compress", true, false);
360 }
361 // all these bool options really really cost a lot of executable size!
362 else if (!strcmp (var, "enable-tcp"))
363 {
364#if ENABLE_TCP
365 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
366#endif
367 }
368 else if (!strcmp (var, "enable-icmp"))
369 {
370#if ENABLE_ICMP
371 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
372#endif
373 }
374 else if (!strcmp (var, "enable-udp"))
375 {
376 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
377 }
378 else if (!strcmp (var, "enable-rawip"))
379 {
380 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
381 }
382
383 // unknown or misplaced
384 else
385 slog (L_WARN,
386 _("unknown or misplaced variable `%s', at '%s' line %d"),
387 var, fname, lineno);
388 } 535 }
389 536
390 fclose (f); 537 fclose (f);
538
539 parse_argv ();
391 } 540 }
392 else 541 else
393 { 542 {
394 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));
395 exit (EXIT_FAILURE); 544 exit (EXIT_FAILURE);
396 } 545 }
397 546
398 free (fname); 547 free (fname);
399 548
400 fname = config_filename (prikeyfile, "hostkey"); 549 fname = conf.config_filename (conf.prikeyfile, "hostkey");
401 550
402 f = fopen (fname, "r"); 551 f = fopen (fname, "r");
403 if (f) 552 if (f)
404 { 553 {
405 rsa_key = RSA_new (); 554 conf.rsa_key = RSA_new ();
406 555
407 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) 556 if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
408 { 557 {
409 ERR_load_RSA_strings (); ERR_load_PEM_strings (); 558 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
410 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));
411 exit (EXIT_FAILURE); 560 exit (EXIT_FAILURE);
412 } 561 }
413 562
414 require (RSA_blinding_on (rsa_key, 0)); 563 require (RSA_blinding_on (conf.rsa_key, 0));
415 564
416 fclose (f); 565 fclose (f);
417 } 566 }
418 else 567 else
419 { 568 {
… …
422 if (need_keys) 571 if (need_keys)
423 exit (EXIT_FAILURE); 572 exit (EXIT_FAILURE);
424 } 573 }
425 574
426 if (need_keys && ::thisnode 575 if (need_keys && ::thisnode
427 && rsa_key && thisnode && thisnode->rsa_key) 576 && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
428 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
429 || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0) 578 || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
430 { 579 {
431 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);
432 exit (EXIT_FAILURE); 581 exit (EXIT_FAILURE);
433 } 582 }
434 583
… …
474 printf ("\n"); 623 printf ("\n");
475} 624}
476 625
477configuration::configuration () 626configuration::configuration ()
478{ 627{
628 asprintf (&confbase, "%s/gvpe", CONFDIR);
629
479 init (); 630 init ();
480} 631}
481 632
482configuration::~configuration () 633configuration::~configuration ()
483{ 634{

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