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Comparing gvpe/src/conf.C (file contents):
Revision 1.28 by pcg, Tue Mar 1 04:38:21 2005 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
98 free (domain); 137 free (domain);
138 free (dns_hostname);
139#endif
140#endif
99} 141}
100 142
101void configuration::init () 143void configuration::init ()
102{ 144{
103 memset (this, 0, sizeof (*this)); 145 memset (this, 0, sizeof (*this));
113 155
114 default_node.udp_port = DEFAULT_UDPPORT; 156 default_node.udp_port = DEFAULT_UDPPORT;
115 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm 157 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
116 default_node.connectmode = conf_node::C_ALWAYS; 158 default_node.connectmode = conf_node::C_ALWAYS;
117 default_node.compress = true; 159 default_node.compress = true;
118 default_node.protocols = PROT_UDPv4; 160 default_node.protocols = 0;
119 default_node.max_retry = DEFAULT_MAX_RETRY; 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
120 176
121 conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); 177 conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
122} 178}
123 179
124void configuration::cleanup() 180void configuration::cleanup()
138 free (dns_forw_host); dns_forw_host = 0; 194 free (dns_forw_host); dns_forw_host = 0;
139#endif 195#endif
140} 196}
141 197
142void 198void
143configuration::clear_config () 199configuration::clear ()
144{ 200{
145 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)
146 delete *i; 202 delete *i;
147 203
148 nodes.clear (); 204 nodes.clear ();
149 205
150 cleanup (); 206 cleanup ();
151 init (); 207 init ();
152} 208}
153 209
154#define parse_bool(target,name,trueval,falseval) \ 210#define parse_bool(target,name,trueval,falseval) do { \
155 if (!strcmp (val, "yes")) target = trueval; \ 211 if (!strcmp (val, "yes")) target = trueval; \
156 else if (!strcmp (val, "no")) target = falseval; \ 212 else if (!strcmp (val, "no")) target = falseval; \
157 else if (!strcmp (val, "true")) target = trueval; \ 213 else if (!strcmp (val, "true")) target = trueval; \
158 else if (!strcmp (val, "false")) target = falseval; \ 214 else if (!strcmp (val, "false")) target = falseval; \
159 else if (!strcmp (val, "on")) target = trueval; \ 215 else if (!strcmp (val, "on")) target = trueval; \
160 else if (!strcmp (val, "off")) target = falseval; \ 216 else if (!strcmp (val, "off")) target = falseval; \
161 else \ 217 else \
162 slog (L_WARN, \ 218 return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed. (ignored)"); \
163 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ 219} while (0)
164 name, var, fname, lineno);
165 220
166void 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)
167{ 528{
168 char *fname; 529 char *fname;
169 FILE *f; 530 FILE *f;
170 531
171 clear_config (); 532 conf.clear ();
172 533
173 asprintf (&fname, "%s/gvpe.conf", confbase); 534 asprintf (&fname, "%s/gvpe.conf", confbase);
174 f = fopen (fname, "r"); 535 f = fopen (fname, "r");
175 536
176 if (f) 537 if (f)
177 { 538 {
178 char line[16384]; 539 char line[16384];
179 int lineno = 0; 540 int lineno = 0;
180 char *var, *val; 541 node = &conf.default_node;
181 conf_node *node = &default_node;
182 542
183 while (fgets (line, sizeof (line), f)) 543 while (fgets (line, sizeof (line), f))
184 { 544 {
185 lineno++; 545 lineno++;
186 546
187 { 547 const char *warn = parse_line (line);
188 char *end = line + strlen (line);
189 548
190 while (*end < ' ' && end >= line) 549 if (warn)
191 end--; 550 slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno);
192
193 *++end = 0;
194 }
195
196 char *tok = line;
197
198retry:
199 var = strtok (tok, "\t =");
200 tok = 0;
201
202 if (!var || !var[0])
203 continue; /* no tokens on this line */
204
205 if (var[0] == '#')
206 continue; /* comment: ignore */
207
208 val = strtok (NULL, "\t\n\r =");
209
210 if (!val || val[0] == '#')
211 {
212 slog (L_WARN,
213 _("no value for variable `%s', at '%s' line %d"),
214 var, fname, lineno);
215 break;
216 }
217
218 if (!strcmp (var, "on"))
219 {
220 if (!::thisnode
221 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
222 || !strcmp (val, ::thisnode))
223 goto retry;
224
225 continue;
226 }
227
228 // truly global
229 if (!strcmp (var, "loglevel"))
230 {
231 loglevel l = string_to_loglevel (val);
232
233 if (l != L_NONE)
234 llevel = l;
235 else
236 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
237 }
238 else if (!strcmp (var, "ip-proto"))
239 ip_proto = atoi (val);
240 else if (!strcmp (var, "icmp-type"))
241 {
242#if ENABLE_ICMP
243 icmp_type = atoi (val);
244#endif
245 }
246
247 // per config
248 else if (!strcmp (var, "node"))
249 {
250 default_node.id++;
251
252 node = new conf_node (default_node);
253
254 nodes.push_back (node);
255
256 node->nodename = strdup (val);
257
258 {
259 char *fname;
260 FILE *f;
261
262 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
263
264 f = fopen (fname, "r");
265 if (f)
266 {
267 node->rsa_key = RSA_new ();
268
269 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
270 {
271 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
272 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
273 exit (EXIT_FAILURE);
274 }
275
276 require (RSA_blinding_on (node->rsa_key, 0));
277
278 fclose (f);
279 }
280 else
281 {
282 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
283
284 if (need_keys)
285 exit (EXIT_FAILURE);
286 }
287
288 free (fname);
289 }
290
291 if (::thisnode && !strcmp (node->nodename, ::thisnode))
292 thisnode = node;
293 }
294 else if (!strcmp (var, "private-key"))
295 free (prikeyfile), prikeyfile = strdup (val);
296 else if (!strcmp (var, "ifpersist"))
297 {
298 parse_bool (ifpersist, "ifpersist", true, false);
299 }
300 else if (!strcmp (var, "ifname"))
301 free (ifname), ifname = strdup (val);
302 else if (!strcmp (var, "rekey"))
303 rekey = atoi (val);
304 else if (!strcmp (var, "keepalive"))
305 keepalive = atoi (val);
306 else if (!strcmp (var, "mtu"))
307 mtu = atoi (val);
308 else if (!strcmp (var, "if-up"))
309 free (script_if_up), script_if_up = strdup (val);
310 else if (!strcmp (var, "node-up"))
311 free (script_node_up), script_node_up = strdup (val);
312 else if (!strcmp (var, "node-down"))
313 free (script_node_down), script_node_down = strdup (val);
314 else if (!strcmp (var, "pid-file"))
315 free (pidfilename), pidfilename = strdup (val);
316 else if (!strcmp (var, "dns-forwarder-host"))
317 {
318#if ENABLE_DNS
319 free (dns_forw_host), dns_forw_host = strdup (val);
320#endif
321 }
322 else if (!strcmp (var, "dns-forwarder-port"))
323 {
324#if ENABLE_DNS
325 dns_forw_port = atoi (val);
326#endif
327 }
328 else if (!strcmp (var, "http-proxy-host"))
329 {
330#if ENABLE_HTTP_PROXY
331 free (proxy_host), proxy_host = strdup (val);
332#endif
333 }
334 else if (!strcmp (var, "http-proxy-port"))
335 {
336#if ENABLE_HTTP_PROXY
337 proxy_port = atoi (val);
338#endif
339 }
340 else if (!strcmp (var, "http-proxy-auth"))
341 {
342#if ENABLE_HTTP_PROXY
343 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
344#endif
345 }
346
347 /* node-specific, non-defaultable */
348 else if (node != &default_node && !strcmp (var, "hostname"))
349 free (node->hostname), node->hostname = strdup (val);
350
351 /* node-specific, defaultable */
352 else if (!strcmp (var, "udp-port"))
353 node->udp_port = atoi (val);
354 else if (!strcmp (var, "tcp-port"))
355 node->tcp_port = atoi (val);
356 else if (!strcmp (var, "dns-port"))
357 {
358#if ENABLE_DNS
359 node->dns_port = atoi (val);
360#endif
361 }
362 else if (!strcmp (var, "dns-domain"))
363 {
364#if ENABLE_DNS
365 free (node->domain), node->domain = strdup (val);
366#endif
367 }
368 else if (!strcmp (var, "router-priority"))
369 node->routerprio = atoi (val);
370 else if (!strcmp (var, "max-retry"))
371 node->max_retry = atoi (val);
372 else if (!strcmp (var, "connect"))
373 {
374 if (!strcmp (val, "ondemand"))
375 node->connectmode = conf_node::C_ONDEMAND;
376 else if (!strcmp (val, "never"))
377 node->connectmode = conf_node::C_NEVER;
378 else if (!strcmp (val, "always"))
379 node->connectmode = conf_node::C_ALWAYS;
380 else if (!strcmp (val, "disabled"))
381 node->connectmode = conf_node::C_DISABLED;
382 else
383 slog (L_WARN,
384 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
385 var, fname, lineno);
386 }
387 else if (!strcmp (var, "inherit-tos"))
388 {
389 parse_bool (node->inherit_tos, "inherit-tos", true, false);
390 }
391 else if (!strcmp (var, "compress"))
392 {
393 parse_bool (node->compress, "compress", true, false);
394 }
395 // all these bool options really really cost a lot of executable size!
396 else if (!strcmp (var, "enable-tcp"))
397 {
398#if ENABLE_TCP
399 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
400#endif
401 }
402 else if (!strcmp (var, "enable-icmp"))
403 {
404#if ENABLE_ICMP
405 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
406#endif
407 }
408 else if (!strcmp (var, "enable-dns"))
409 {
410#if ENABLE_DNS
411 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
412#endif
413 }
414 else if (!strcmp (var, "enable-udp"))
415 {
416 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
417 }
418 else if (!strcmp (var, "enable-rawip"))
419 {
420 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
421 }
422
423 // unknown or misplaced
424 else
425 slog (L_WARN,
426 _("unknown or misplaced variable `%s', at '%s' line %d"),
427 var, fname, lineno);
428 } 551 }
429 552
430 fclose (f); 553 fclose (f);
554
555 parse_argv ();
431 } 556 }
432 else 557 else
433 { 558 {
434 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));
435 exit (EXIT_FAILURE); 560 exit (EXIT_FAILURE);
436 } 561 }
437 562
438 free (fname); 563 free (fname);
439 564
440 fname = config_filename (prikeyfile, "hostkey"); 565 fname = conf.config_filename (conf.prikeyfile, "hostkey");
441 566
442 f = fopen (fname, "r"); 567 f = fopen (fname, "r");
443 if (f) 568 if (f)
444 { 569 {
445 rsa_key = RSA_new (); 570 conf.rsa_key = RSA_new ();
446 571
447 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) 572 if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL))
448 { 573 {
449 ERR_load_RSA_strings (); ERR_load_PEM_strings (); 574 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
450 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));
451 exit (EXIT_FAILURE); 576 exit (EXIT_FAILURE);
452 } 577 }
453 578
454 require (RSA_blinding_on (rsa_key, 0)); 579 require (RSA_blinding_on (conf.rsa_key, 0));
455 580
456 fclose (f); 581 fclose (f);
457 } 582 }
458 else 583 else
459 { 584 {
462 if (need_keys) 587 if (need_keys)
463 exit (EXIT_FAILURE); 588 exit (EXIT_FAILURE);
464 } 589 }
465 590
466 if (need_keys && ::thisnode 591 if (need_keys && ::thisnode
467 && rsa_key && thisnode && thisnode->rsa_key) 592 && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key)
468 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
469 || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0) 594 || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0)
470 { 595 {
471 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);
472 exit (EXIT_FAILURE); 597 exit (EXIT_FAILURE);
473 } 598 }
474 599

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