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 | |
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5 | This file is part of GVPE. |
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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. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 | */ |
20 | */ |
19 | |
21 | |
20 | #include "config.h" |
22 | #include "config.h" |
21 | |
23 | |
… | |
… | |
34 | #include <openssl/err.h> |
36 | #include <openssl/err.h> |
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 | |
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40 | #include "gettext.h" |
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41 | |
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 | |
… | |
… | |
88 | ); |
88 | ); |
89 | } |
89 | } |
90 | |
90 | |
91 | conf_node::~conf_node () |
91 | conf_node::~conf_node () |
92 | { |
92 | { |
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93 | #if 0 |
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94 | // does not work, because string pointers etc. are shared |
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|
95 | // is not called, however |
93 | if (rsa_key) |
96 | if (rsa_key) |
94 | RSA_free (rsa_key); |
97 | RSA_free (rsa_key); |
95 | |
98 | |
96 | free (nodename); |
99 | free (nodename); |
97 | free (hostname); |
100 | free (hostname); |
|
|
101 | free (if_up_data); |
98 | #if ENABLE_DNS |
102 | #if ENABLE_DNS |
99 | free (domain); |
103 | free (domain); |
100 | free (dns_hostname); |
104 | free (dns_hostname); |
|
|
105 | #endif |
101 | #endif |
106 | #endif |
102 | } |
107 | } |
103 | |
108 | |
104 | void configuration::init () |
109 | void configuration::init () |
105 | { |
110 | { |
… | |
… | |
118 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
123 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
119 | default_node.connectmode = conf_node::C_ALWAYS; |
124 | default_node.connectmode = conf_node::C_ALWAYS; |
120 | default_node.compress = true; |
125 | default_node.compress = true; |
121 | default_node.protocols = 0; |
126 | default_node.protocols = 0; |
122 | default_node.max_retry = DEFAULT_MAX_RETRY; |
127 | default_node.max_retry = DEFAULT_MAX_RETRY; |
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|
128 | default_node.if_up_data = strdup (""); |
123 | |
129 | |
124 | #if ENABLE_DNS |
130 | #if ENABLE_DNS |
125 | default_node.dns_port = 53; |
131 | default_node.dns_port = 0; // default is 0 == client |
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132 | |
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133 | dns_forw_host = strdup ("127.0.0.1"); |
126 | dns_forw_port = 53; |
134 | dns_forw_port = 53; |
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|
135 | dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR; |
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|
136 | dns_send_interval = DEFAULT_DNS_SEND_INTERVAL; |
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137 | dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR; |
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138 | dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING; |
127 | #endif |
139 | #endif |
128 | |
140 | |
129 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
141 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
130 | } |
142 | } |
131 | |
143 | |
… | |
… | |
157 | |
169 | |
158 | cleanup (); |
170 | cleanup (); |
159 | init (); |
171 | init (); |
160 | } |
172 | } |
161 | |
173 | |
162 | #define parse_bool(target,name,trueval,falseval) \ |
174 | #define parse_bool(target,name,trueval,falseval) do { \ |
163 | if (!strcmp (val, "yes")) target = trueval; \ |
175 | if (!strcmp (val, "yes")) target = trueval; \ |
164 | else if (!strcmp (val, "no")) target = falseval; \ |
176 | else if (!strcmp (val, "no")) target = falseval; \ |
165 | else if (!strcmp (val, "true")) target = trueval; \ |
177 | else if (!strcmp (val, "true")) target = trueval; \ |
166 | else if (!strcmp (val, "false")) target = falseval; \ |
178 | else if (!strcmp (val, "false")) target = falseval; \ |
167 | else if (!strcmp (val, "on")) target = trueval; \ |
179 | else if (!strcmp (val, "on")) target = trueval; \ |
168 | else if (!strcmp (val, "off")) target = falseval; \ |
180 | else if (!strcmp (val, "off")) target = falseval; \ |
169 | else \ |
181 | else \ |
170 | slog (L_WARN, \ |
182 | slog (L_WARN, \ |
171 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
183 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
172 | name, var, fname, lineno); |
184 | name, var, fname, lineno); \ |
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185 | } while (0) |
173 | |
186 | |
174 | void configuration::read_config (bool need_keys) |
187 | void configuration::read_config (bool need_keys) |
175 | { |
188 | { |
176 | char *fname; |
189 | char *fname; |
177 | FILE *f; |
190 | FILE *f; |
… | |
… | |
216 | val = strtok (NULL, "\t\n\r ="); |
229 | val = strtok (NULL, "\t\n\r ="); |
217 | |
230 | |
218 | if (!val || val[0] == '#') |
231 | if (!val || val[0] == '#') |
219 | { |
232 | { |
220 | slog (L_WARN, |
233 | slog (L_WARN, |
221 | _("no value for variable `%s', at '%s' line %d"), |
234 | _("no value for variable `%s', at '%s' line %d, skipping."), |
222 | var, fname, lineno); |
235 | var, fname, lineno); |
223 | break; |
236 | continue; |
224 | } |
237 | } |
225 | |
238 | |
226 | if (!strcmp (var, "on")) |
239 | if (!strcmp (var, "on")) |
227 | { |
240 | { |
228 | if (!::thisnode |
241 | if (!::thisnode |
… | |
… | |
300 | thisnode = node; |
313 | thisnode = node; |
301 | } |
314 | } |
302 | else if (!strcmp (var, "private-key")) |
315 | else if (!strcmp (var, "private-key")) |
303 | free (prikeyfile), prikeyfile = strdup (val); |
316 | free (prikeyfile), prikeyfile = strdup (val); |
304 | else if (!strcmp (var, "ifpersist")) |
317 | else if (!strcmp (var, "ifpersist")) |
305 | { |
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306 | parse_bool (ifpersist, "ifpersist", true, false); |
318 | parse_bool (ifpersist, "ifpersist", true, false); |
307 | } |
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|
308 | else if (!strcmp (var, "ifname")) |
319 | else if (!strcmp (var, "ifname")) |
309 | free (ifname), ifname = strdup (val); |
320 | free (ifname), ifname = strdup (val); |
310 | else if (!strcmp (var, "rekey")) |
321 | else if (!strcmp (var, "rekey")) |
311 | rekey = atoi (val); |
322 | rekey = atoi (val); |
312 | else if (!strcmp (var, "keepalive")) |
323 | else if (!strcmp (var, "keepalive")) |
… | |
… | |
319 | free (script_node_up), script_node_up = strdup (val); |
330 | free (script_node_up), script_node_up = strdup (val); |
320 | else if (!strcmp (var, "node-down")) |
331 | else if (!strcmp (var, "node-down")) |
321 | free (script_node_down), script_node_down = strdup (val); |
332 | free (script_node_down), script_node_down = strdup (val); |
322 | else if (!strcmp (var, "pid-file")) |
333 | else if (!strcmp (var, "pid-file")) |
323 | free (pidfilename), pidfilename = strdup (val); |
334 | free (pidfilename), pidfilename = strdup (val); |
324 | #if ENABLE_DNS |
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325 | else if (!strcmp (var, "dns-forw-host")) |
335 | else if (!strcmp (var, "dns-forw-host")) |
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336 | { |
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337 | #if ENABLE_DNS |
326 | free (dns_forw_host), dns_forw_host = strdup (val); |
338 | free (dns_forw_host), dns_forw_host = strdup (val); |
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339 | #endif |
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340 | } |
327 | else if (!strcmp (var, "dns-forw-port")) |
341 | else if (!strcmp (var, "dns-forw-port")) |
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342 | { |
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343 | #if ENABLE_DNS |
328 | dns_forw_port = atoi (val); |
344 | dns_forw_port = atoi (val); |
329 | #endif |
345 | #endif |
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346 | } |
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347 | else if (!strcmp (var, "dns-timeout-factor")) |
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348 | { |
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349 | #if ENABLE_DNS |
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350 | dns_timeout_factor = atof (val); |
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351 | #endif |
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352 | } |
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353 | else if (!strcmp (var, "dns-send-interval")) |
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354 | { |
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355 | #if ENABLE_DNS |
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356 | dns_send_interval = atoi (val); |
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357 | #endif |
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358 | } |
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359 | else if (!strcmp (var, "dns-overlap-factor")) |
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360 | { |
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361 | #if ENABLE_DNS |
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362 | dns_overlap_factor = atof (val); |
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363 | #endif |
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364 | } |
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365 | else if (!strcmp (var, "dns-max-outstanding")) |
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366 | { |
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367 | #if ENABLE_DNS |
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368 | dns_max_outstanding = atoi (val); |
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369 | #endif |
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370 | } |
330 | else if (!strcmp (var, "http-proxy-host")) |
371 | else if (!strcmp (var, "http-proxy-host")) |
331 | { |
372 | { |
332 | #if ENABLE_HTTP_PROXY |
373 | #if ENABLE_HTTP_PROXY |
333 | free (proxy_host), proxy_host = strdup (val); |
374 | free (proxy_host), proxy_host = strdup (val); |
334 | #endif |
375 | #endif |
… | |
… | |
353 | /* node-specific, defaultable */ |
394 | /* node-specific, defaultable */ |
354 | else if (!strcmp (var, "udp-port")) |
395 | else if (!strcmp (var, "udp-port")) |
355 | node->udp_port = atoi (val); |
396 | node->udp_port = atoi (val); |
356 | else if (!strcmp (var, "tcp-port")) |
397 | else if (!strcmp (var, "tcp-port")) |
357 | node->tcp_port = atoi (val); |
398 | node->tcp_port = atoi (val); |
358 | #if ENABLE_DNS |
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359 | else if (!strcmp (var, "dns-hostname")) |
399 | else if (!strcmp (var, "dns-hostname")) |
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400 | { |
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401 | #if ENABLE_DNS |
360 | free (node->dns_hostname), node->dns_hostname = strdup (val); |
402 | free (node->dns_hostname), node->dns_hostname = strdup (val); |
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403 | #endif |
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404 | } |
361 | else if (!strcmp (var, "dns-port")) |
405 | else if (!strcmp (var, "dns-port")) |
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406 | { |
|
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407 | #if ENABLE_DNS |
362 | node->dns_port = atoi (val); |
408 | node->dns_port = atoi (val); |
363 | #endif |
409 | #endif |
|
|
410 | } |
364 | else if (!strcmp (var, "dns-domain")) |
411 | else if (!strcmp (var, "dns-domain")) |
365 | { |
412 | { |
366 | #if ENABLE_DNS |
413 | #if ENABLE_DNS |
367 | free (node->domain), node->domain = strdup (val); |
414 | free (node->domain), node->domain = strdup (val); |
368 | #endif |
415 | #endif |
369 | } |
416 | } |
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417 | else if (!strcmp (var, "if-up-data")) |
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418 | free (node->if_up_data), node->if_up_data = strdup (val); |
370 | else if (!strcmp (var, "router-priority")) |
419 | else if (!strcmp (var, "router-priority")) |
371 | node->routerprio = atoi (val); |
420 | node->routerprio = atoi (val); |
372 | else if (!strcmp (var, "max-retry")) |
421 | else if (!strcmp (var, "max-retry")) |
373 | node->max_retry = atoi (val); |
422 | node->max_retry = atoi (val); |
374 | else if (!strcmp (var, "connect")) |
423 | else if (!strcmp (var, "connect")) |
… | |
… | |
381 | node->connectmode = conf_node::C_ALWAYS; |
430 | node->connectmode = conf_node::C_ALWAYS; |
382 | else if (!strcmp (val, "disabled")) |
431 | else if (!strcmp (val, "disabled")) |
383 | node->connectmode = conf_node::C_DISABLED; |
432 | node->connectmode = conf_node::C_DISABLED; |
384 | else |
433 | else |
385 | slog (L_WARN, |
434 | slog (L_WARN, |
386 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"), |
435 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d, ignoring."), |
387 | var, fname, lineno); |
436 | var, fname, lineno); |
388 | } |
437 | } |
389 | else if (!strcmp (var, "inherit-tos")) |
438 | else if (!strcmp (var, "inherit-tos")) |
390 | { |
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391 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
439 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
392 | } |
|
|
393 | else if (!strcmp (var, "compress")) |
440 | else if (!strcmp (var, "compress")) |
394 | { |
|
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395 | parse_bool (node->compress, "compress", true, false); |
441 | parse_bool (node->compress, "compress", true, false); |
396 | } |
|
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397 | // all these bool options really really cost a lot of executable size! |
442 | // all these bool options really really cost a lot of executable size! |
398 | else if (!strcmp (var, "enable-tcp")) |
443 | else if (!strcmp (var, "enable-tcp")) |
399 | { |
444 | { |
400 | #if ENABLE_TCP |
445 | #if ENABLE_TCP |
401 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
446 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
… | |
… | |
423 | } |
468 | } |
424 | |
469 | |
425 | // unknown or misplaced |
470 | // unknown or misplaced |
426 | else |
471 | else |
427 | slog (L_WARN, |
472 | slog (L_WARN, |
428 | _("unknown or misplaced variable `%s', at '%s' line %d"), |
473 | _("unknown or misplaced variable `%s', at '%s' line %d, skipping."), |
429 | var, fname, lineno); |
474 | var, fname, lineno); |
430 | } |
475 | } |
431 | |
476 | |
432 | fclose (f); |
477 | fclose (f); |
433 | } |
478 | } |