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 | |
|
|
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 | |
… | |
… | |
93 | if (rsa_key) |
93 | if (rsa_key) |
94 | RSA_free (rsa_key); |
94 | RSA_free (rsa_key); |
95 | |
95 | |
96 | free (nodename); |
96 | free (nodename); |
97 | free (hostname); |
97 | free (hostname); |
|
|
98 | #if ENABLE_DNS |
|
|
99 | free (domain); |
|
|
100 | free (dns_hostname); |
|
|
101 | #endif |
98 | } |
102 | } |
99 | |
103 | |
100 | void configuration::init () |
104 | void configuration::init () |
101 | { |
105 | { |
102 | memset (this, 0, sizeof (*this)); |
106 | memset (this, 0, sizeof (*this)); |
… | |
… | |
112 | |
116 | |
113 | default_node.udp_port = DEFAULT_UDPPORT; |
117 | default_node.udp_port = DEFAULT_UDPPORT; |
114 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
118 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
115 | default_node.connectmode = conf_node::C_ALWAYS; |
119 | default_node.connectmode = conf_node::C_ALWAYS; |
116 | default_node.compress = true; |
120 | default_node.compress = true; |
117 | default_node.protocols = PROT_UDPv4; |
121 | default_node.protocols = 0; |
|
|
122 | default_node.max_retry = DEFAULT_MAX_RETRY; |
|
|
123 | |
|
|
124 | #if ENABLE_DNS |
|
|
125 | default_node.dns_port = 0; // default is 0 == client |
|
|
126 | |
|
|
127 | dns_forw_host = strdup ("127.0.0.1"); |
|
|
128 | dns_forw_port = 53; |
|
|
129 | dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR; |
|
|
130 | dns_send_interval = DEFAULT_DNS_SEND_INTERVAL; |
|
|
131 | dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR; |
|
|
132 | dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING; |
|
|
133 | #endif |
|
|
134 | |
|
|
135 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
118 | } |
136 | } |
119 | |
137 | |
120 | void configuration::cleanup() |
138 | void configuration::cleanup() |
121 | { |
139 | { |
122 | if (rsa_key) |
140 | if (rsa_key) |
123 | RSA_free (rsa_key); |
141 | RSA_free (rsa_key); |
124 | |
142 | |
125 | rsa_key = 0; |
143 | rsa_key = 0; |
126 | |
144 | |
127 | free (pidfilename); pidfilename = 0; |
145 | free (pidfilename); pidfilename = 0; |
128 | free (ifname); ifname = 0; |
146 | free (ifname); ifname = 0; |
129 | #if ENABLE_HTTP_PROXY |
147 | #if ENABLE_HTTP_PROXY |
130 | free (proxy_host); proxy_host = 0; |
148 | free (proxy_host); proxy_host = 0; |
131 | free (proxy_auth); proxy_auth = 0; |
149 | free (proxy_auth); proxy_auth = 0; |
|
|
150 | #endif |
|
|
151 | #if ENABLE_DNS |
|
|
152 | free (dns_forw_host); dns_forw_host = 0; |
132 | #endif |
153 | #endif |
133 | } |
154 | } |
134 | |
155 | |
135 | void |
156 | void |
136 | configuration::clear_config () |
157 | configuration::clear_config () |
… | |
… | |
142 | |
163 | |
143 | cleanup (); |
164 | cleanup (); |
144 | init (); |
165 | init (); |
145 | } |
166 | } |
146 | |
167 | |
147 | #define parse_bool(target,name,trueval,falseval) \ |
168 | #define parse_bool(target,name,trueval,falseval) do { \ |
148 | if (!strcmp (val, "yes")) target = trueval; \ |
169 | if (!strcmp (val, "yes")) target = trueval; \ |
149 | else if (!strcmp (val, "no")) target = falseval; \ |
170 | else if (!strcmp (val, "no")) target = falseval; \ |
150 | else if (!strcmp (val, "true")) target = trueval; \ |
171 | else if (!strcmp (val, "true")) target = trueval; \ |
151 | else if (!strcmp (val, "false")) target = falseval; \ |
172 | else if (!strcmp (val, "false")) target = falseval; \ |
152 | else if (!strcmp (val, "on")) target = trueval; \ |
173 | else if (!strcmp (val, "on")) target = trueval; \ |
153 | else if (!strcmp (val, "off")) target = falseval; \ |
174 | else if (!strcmp (val, "off")) target = falseval; \ |
154 | else \ |
175 | else \ |
155 | slog (L_WARN, \ |
176 | slog (L_WARN, \ |
156 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
177 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
157 | name, var, fname, lineno); |
178 | name, var, fname, lineno); \ |
|
|
179 | } while (0) |
158 | |
180 | |
159 | void configuration::read_config (bool need_keys) |
181 | void configuration::read_config (bool need_keys) |
160 | { |
182 | { |
161 | char *fname; |
183 | char *fname; |
162 | FILE *f; |
184 | FILE *f; |
163 | |
185 | |
164 | clear_config (); |
186 | clear_config (); |
165 | |
187 | |
166 | asprintf (&fname, "%s/vped.conf", confbase); |
188 | asprintf (&fname, "%s/gvpe.conf", confbase); |
167 | f = fopen (fname, "r"); |
189 | f = fopen (fname, "r"); |
168 | |
190 | |
169 | if (f) |
191 | if (f) |
170 | { |
192 | { |
171 | char line[16384]; |
193 | char line[16384]; |
… | |
… | |
201 | val = strtok (NULL, "\t\n\r ="); |
223 | val = strtok (NULL, "\t\n\r ="); |
202 | |
224 | |
203 | if (!val || val[0] == '#') |
225 | if (!val || val[0] == '#') |
204 | { |
226 | { |
205 | slog (L_WARN, |
227 | slog (L_WARN, |
206 | _("no value for variable `%s', at '%s' line %d"), |
228 | _("no value for variable `%s', at '%s' line %d, skipping."), |
207 | var, fname, lineno); |
229 | var, fname, lineno); |
208 | break; |
230 | continue; |
209 | } |
231 | } |
210 | |
232 | |
211 | if (!strcmp (var, "on")) |
233 | if (!strcmp (var, "on")) |
212 | { |
234 | { |
213 | if (!::thisnode |
235 | if (!::thisnode |
… | |
… | |
285 | thisnode = node; |
307 | thisnode = node; |
286 | } |
308 | } |
287 | else if (!strcmp (var, "private-key")) |
309 | else if (!strcmp (var, "private-key")) |
288 | free (prikeyfile), prikeyfile = strdup (val); |
310 | free (prikeyfile), prikeyfile = strdup (val); |
289 | else if (!strcmp (var, "ifpersist")) |
311 | else if (!strcmp (var, "ifpersist")) |
290 | { |
|
|
291 | parse_bool (ifpersist, "ifpersist", true, false); |
312 | parse_bool (ifpersist, "ifpersist", true, false); |
292 | } |
|
|
293 | else if (!strcmp (var, "ifname")) |
313 | else if (!strcmp (var, "ifname")) |
294 | free (ifname), ifname = strdup (val); |
314 | free (ifname), ifname = strdup (val); |
295 | else if (!strcmp (var, "rekey")) |
315 | else if (!strcmp (var, "rekey")) |
296 | rekey = atoi (val); |
316 | rekey = atoi (val); |
297 | else if (!strcmp (var, "keepalive")) |
317 | else if (!strcmp (var, "keepalive")) |
… | |
… | |
304 | free (script_node_up), script_node_up = strdup (val); |
324 | free (script_node_up), script_node_up = strdup (val); |
305 | else if (!strcmp (var, "node-down")) |
325 | else if (!strcmp (var, "node-down")) |
306 | free (script_node_down), script_node_down = strdup (val); |
326 | free (script_node_down), script_node_down = strdup (val); |
307 | else if (!strcmp (var, "pid-file")) |
327 | else if (!strcmp (var, "pid-file")) |
308 | free (pidfilename), pidfilename = strdup (val); |
328 | free (pidfilename), pidfilename = strdup (val); |
|
|
329 | else if (!strcmp (var, "dns-forw-host")) |
|
|
330 | { |
|
|
331 | #if ENABLE_DNS |
|
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332 | free (dns_forw_host), dns_forw_host = strdup (val); |
|
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333 | #endif |
|
|
334 | } |
|
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335 | else if (!strcmp (var, "dns-forw-port")) |
|
|
336 | { |
|
|
337 | #if ENABLE_DNS |
|
|
338 | dns_forw_port = atoi (val); |
|
|
339 | #endif |
|
|
340 | } |
|
|
341 | else if (!strcmp (var, "dns-timeout-factor")) |
|
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342 | { |
|
|
343 | #if ENABLE_DNS |
|
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344 | dns_timeout_factor = atof (val); |
|
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345 | #endif |
|
|
346 | } |
|
|
347 | else if (!strcmp (var, "dns-send-interval")) |
|
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348 | { |
|
|
349 | #if ENABLE_DNS |
|
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350 | dns_send_interval = atoi (val); |
|
|
351 | #endif |
|
|
352 | } |
|
|
353 | else if (!strcmp (var, "dns-overlap-factor")) |
|
|
354 | { |
|
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355 | #if ENABLE_DNS |
|
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356 | dns_overlap_factor = atof (val); |
|
|
357 | #endif |
|
|
358 | } |
|
|
359 | else if (!strcmp (var, "dns-max-outstanding")) |
|
|
360 | { |
|
|
361 | #if ENABLE_DNS |
|
|
362 | dns_max_outstanding = atoi (val); |
|
|
363 | #endif |
|
|
364 | } |
309 | else if (!strcmp (var, "http-proxy-host")) |
365 | else if (!strcmp (var, "http-proxy-host")) |
310 | { |
366 | { |
311 | #if ENABLE_HTTP_PROXY |
367 | #if ENABLE_HTTP_PROXY |
312 | free (proxy_host), proxy_host = strdup (val); |
368 | free (proxy_host), proxy_host = strdup (val); |
313 | #endif |
369 | #endif |
… | |
… | |
332 | /* node-specific, defaultable */ |
388 | /* node-specific, defaultable */ |
333 | else if (!strcmp (var, "udp-port")) |
389 | else if (!strcmp (var, "udp-port")) |
334 | node->udp_port = atoi (val); |
390 | node->udp_port = atoi (val); |
335 | else if (!strcmp (var, "tcp-port")) |
391 | else if (!strcmp (var, "tcp-port")) |
336 | node->tcp_port = atoi (val); |
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 | } |
337 | else if (!strcmp (var, "dns-port")) |
399 | else if (!strcmp (var, "dns-port")) |
|
|
400 | { |
|
|
401 | #if ENABLE_DNS |
338 | node->dns_port = atoi (val); |
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 | } |
339 | else if (!strcmp (var, "router-priority")) |
411 | else if (!strcmp (var, "router-priority")) |
340 | node->routerprio = atoi (val); |
412 | node->routerprio = atoi (val); |
|
|
413 | else if (!strcmp (var, "max-retry")) |
|
|
414 | node->max_retry = atoi (val); |
341 | else if (!strcmp (var, "connect")) |
415 | else if (!strcmp (var, "connect")) |
342 | { |
416 | { |
343 | if (!strcmp (val, "ondemand")) |
417 | if (!strcmp (val, "ondemand")) |
344 | node->connectmode = conf_node::C_ONDEMAND; |
418 | node->connectmode = conf_node::C_ONDEMAND; |
345 | else if (!strcmp (val, "never")) |
419 | else if (!strcmp (val, "never")) |
… | |
… | |
348 | node->connectmode = conf_node::C_ALWAYS; |
422 | node->connectmode = conf_node::C_ALWAYS; |
349 | else if (!strcmp (val, "disabled")) |
423 | else if (!strcmp (val, "disabled")) |
350 | node->connectmode = conf_node::C_DISABLED; |
424 | node->connectmode = conf_node::C_DISABLED; |
351 | else |
425 | else |
352 | slog (L_WARN, |
426 | slog (L_WARN, |
353 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"), |
427 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d, ignoring."), |
354 | var, fname, lineno); |
428 | var, fname, lineno); |
355 | } |
429 | } |
356 | else if (!strcmp (var, "inherit-tos")) |
430 | else if (!strcmp (var, "inherit-tos")) |
357 | { |
|
|
358 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
431 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
359 | } |
|
|
360 | else if (!strcmp (var, "compress")) |
432 | else if (!strcmp (var, "compress")) |
361 | { |
|
|
362 | parse_bool (node->compress, "compress", true, false); |
433 | parse_bool (node->compress, "compress", true, false); |
363 | } |
|
|
364 | // all these bool options really really cost a lot of executable size! |
434 | // all these bool options really really cost a lot of executable size! |
365 | else if (!strcmp (var, "enable-tcp")) |
435 | else if (!strcmp (var, "enable-tcp")) |
366 | { |
436 | { |
367 | #if ENABLE_TCP |
437 | #if ENABLE_TCP |
368 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
438 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
… | |
… | |
383 | else if (!strcmp (var, "enable-udp")) |
453 | else if (!strcmp (var, "enable-udp")) |
384 | { |
454 | { |
385 | u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; |
455 | u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; |
386 | } |
456 | } |
387 | else if (!strcmp (var, "enable-rawip")) |
457 | else if (!strcmp (var, "enable-rawip")) |
388 | {; |
458 | { |
389 | u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v; |
459 | u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v; |
390 | } |
460 | } |
391 | |
461 | |
392 | // unknown or misplaced |
462 | // unknown or misplaced |
393 | else |
463 | else |
394 | slog (L_WARN, |
464 | slog (L_WARN, |
395 | _("unknown or misplaced variable `%s', at '%s' line %d"), |
465 | _("unknown or misplaced variable `%s', at '%s' line %d, skipping."), |
396 | var, fname, lineno); |
466 | var, fname, lineno); |
397 | } |
467 | } |
398 | |
468 | |
399 | fclose (f); |
469 | fclose (f); |
400 | } |
470 | } |
… | |
… | |
483 | printf ("\n"); |
553 | printf ("\n"); |
484 | } |
554 | } |
485 | |
555 | |
486 | configuration::configuration () |
556 | configuration::configuration () |
487 | { |
557 | { |
|
|
558 | asprintf (&confbase, "%s/gvpe", CONFDIR); |
|
|
559 | |
488 | init (); |
560 | init (); |
489 | } |
561 | } |
490 | |
562 | |
491 | configuration::~configuration () |
563 | configuration::~configuration () |
492 | { |
564 | { |