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 | |
… | |
… | |
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); |
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|
98 | #if ENABLE_DNS |
98 | free (domain); |
99 | free (domain); |
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|
100 | free (dns_hostname); |
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101 | #endif |
99 | } |
102 | } |
100 | |
103 | |
101 | void configuration::init () |
104 | void configuration::init () |
102 | { |
105 | { |
103 | memset (this, 0, sizeof (*this)); |
106 | memset (this, 0, sizeof (*this)); |
… | |
… | |
113 | |
116 | |
114 | default_node.udp_port = DEFAULT_UDPPORT; |
117 | default_node.udp_port = DEFAULT_UDPPORT; |
115 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
118 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
116 | default_node.connectmode = conf_node::C_ALWAYS; |
119 | default_node.connectmode = conf_node::C_ALWAYS; |
117 | default_node.compress = true; |
120 | default_node.compress = true; |
118 | default_node.protocols = PROT_UDPv4; |
121 | default_node.protocols = 0; |
119 | default_node.max_retry = DEFAULT_MAX_RETRY; |
122 | default_node.max_retry = DEFAULT_MAX_RETRY; |
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123 | |
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124 | #if ENABLE_DNS |
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125 | default_node.dns_port = 0; // default is 0 == client |
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126 | |
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127 | dns_forw_host = strdup ("127.0.0.1"); |
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128 | dns_forw_port = 53; |
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129 | dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR; |
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130 | dns_send_interval = DEFAULT_DNS_SEND_INTERVAL; |
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131 | dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR; |
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132 | dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING; |
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133 | #endif |
120 | |
134 | |
121 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
135 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
122 | } |
136 | } |
123 | |
137 | |
124 | void configuration::cleanup() |
138 | void configuration::cleanup() |
… | |
… | |
149 | |
163 | |
150 | cleanup (); |
164 | cleanup (); |
151 | init (); |
165 | init (); |
152 | } |
166 | } |
153 | |
167 | |
154 | #define parse_bool(target,name,trueval,falseval) \ |
168 | #define parse_bool(target,name,trueval,falseval) do { \ |
155 | if (!strcmp (val, "yes")) target = trueval; \ |
169 | if (!strcmp (val, "yes")) target = trueval; \ |
156 | else if (!strcmp (val, "no")) target = falseval; \ |
170 | else if (!strcmp (val, "no")) target = falseval; \ |
157 | else if (!strcmp (val, "true")) target = trueval; \ |
171 | else if (!strcmp (val, "true")) target = trueval; \ |
158 | else if (!strcmp (val, "false")) target = falseval; \ |
172 | else if (!strcmp (val, "false")) target = falseval; \ |
159 | else if (!strcmp (val, "on")) target = trueval; \ |
173 | else if (!strcmp (val, "on")) target = trueval; \ |
160 | else if (!strcmp (val, "off")) target = falseval; \ |
174 | else if (!strcmp (val, "off")) target = falseval; \ |
161 | else \ |
175 | else \ |
162 | slog (L_WARN, \ |
176 | slog (L_WARN, \ |
163 | _("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"), \ |
164 | name, var, fname, lineno); |
178 | name, var, fname, lineno); \ |
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179 | } while (0) |
165 | |
180 | |
166 | void configuration::read_config (bool need_keys) |
181 | void configuration::read_config (bool need_keys) |
167 | { |
182 | { |
168 | char *fname; |
183 | char *fname; |
169 | FILE *f; |
184 | FILE *f; |
… | |
… | |
208 | val = strtok (NULL, "\t\n\r ="); |
223 | val = strtok (NULL, "\t\n\r ="); |
209 | |
224 | |
210 | if (!val || val[0] == '#') |
225 | if (!val || val[0] == '#') |
211 | { |
226 | { |
212 | slog (L_WARN, |
227 | slog (L_WARN, |
213 | _("no value for variable `%s', at '%s' line %d"), |
228 | _("no value for variable `%s', at '%s' line %d, skipping."), |
214 | var, fname, lineno); |
229 | var, fname, lineno); |
215 | break; |
230 | continue; |
216 | } |
231 | } |
217 | |
232 | |
218 | if (!strcmp (var, "on")) |
233 | if (!strcmp (var, "on")) |
219 | { |
234 | { |
220 | if (!::thisnode |
235 | if (!::thisnode |
… | |
… | |
292 | thisnode = node; |
307 | thisnode = node; |
293 | } |
308 | } |
294 | else if (!strcmp (var, "private-key")) |
309 | else if (!strcmp (var, "private-key")) |
295 | free (prikeyfile), prikeyfile = strdup (val); |
310 | free (prikeyfile), prikeyfile = strdup (val); |
296 | else if (!strcmp (var, "ifpersist")) |
311 | else if (!strcmp (var, "ifpersist")) |
297 | { |
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298 | parse_bool (ifpersist, "ifpersist", true, false); |
312 | parse_bool (ifpersist, "ifpersist", true, false); |
299 | } |
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300 | else if (!strcmp (var, "ifname")) |
313 | else if (!strcmp (var, "ifname")) |
301 | free (ifname), ifname = strdup (val); |
314 | free (ifname), ifname = strdup (val); |
302 | else if (!strcmp (var, "rekey")) |
315 | else if (!strcmp (var, "rekey")) |
303 | rekey = atoi (val); |
316 | rekey = atoi (val); |
304 | else if (!strcmp (var, "keepalive")) |
317 | else if (!strcmp (var, "keepalive")) |
… | |
… | |
311 | free (script_node_up), script_node_up = strdup (val); |
324 | free (script_node_up), script_node_up = strdup (val); |
312 | else if (!strcmp (var, "node-down")) |
325 | else if (!strcmp (var, "node-down")) |
313 | free (script_node_down), script_node_down = strdup (val); |
326 | free (script_node_down), script_node_down = strdup (val); |
314 | else if (!strcmp (var, "pid-file")) |
327 | else if (!strcmp (var, "pid-file")) |
315 | free (pidfilename), pidfilename = strdup (val); |
328 | free (pidfilename), pidfilename = strdup (val); |
316 | else if (!strcmp (var, "dns-forwarder-host")) |
329 | else if (!strcmp (var, "dns-forw-host")) |
317 | { |
330 | { |
318 | #if ENABLE_DNS |
331 | #if ENABLE_DNS |
319 | free (dns_forw_host), dns_forw_host = strdup (val); |
332 | free (dns_forw_host), dns_forw_host = strdup (val); |
320 | #endif |
333 | #endif |
321 | } |
334 | } |
322 | else if (!strcmp (var, "dns-forwarder-port")) |
335 | else if (!strcmp (var, "dns-forw-port")) |
323 | { |
336 | { |
324 | #if ENABLE_DNS |
337 | #if ENABLE_DNS |
325 | dns_forw_port = atoi (val); |
338 | dns_forw_port = atoi (val); |
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339 | #endif |
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340 | } |
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341 | else if (!strcmp (var, "dns-timeout-factor")) |
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342 | { |
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343 | #if ENABLE_DNS |
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344 | dns_timeout_factor = atof (val); |
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345 | #endif |
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346 | } |
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347 | else if (!strcmp (var, "dns-send-interval")) |
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348 | { |
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349 | #if ENABLE_DNS |
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350 | dns_send_interval = atoi (val); |
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351 | #endif |
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352 | } |
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353 | else if (!strcmp (var, "dns-overlap-factor")) |
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354 | { |
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355 | #if ENABLE_DNS |
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356 | dns_overlap_factor = atof (val); |
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357 | #endif |
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358 | } |
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359 | else if (!strcmp (var, "dns-max-outstanding")) |
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360 | { |
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361 | #if ENABLE_DNS |
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362 | dns_max_outstanding = atoi (val); |
326 | #endif |
363 | #endif |
327 | } |
364 | } |
328 | else if (!strcmp (var, "http-proxy-host")) |
365 | else if (!strcmp (var, "http-proxy-host")) |
329 | { |
366 | { |
330 | #if ENABLE_HTTP_PROXY |
367 | #if ENABLE_HTTP_PROXY |
… | |
… | |
351 | /* node-specific, defaultable */ |
388 | /* node-specific, defaultable */ |
352 | else if (!strcmp (var, "udp-port")) |
389 | else if (!strcmp (var, "udp-port")) |
353 | node->udp_port = atoi (val); |
390 | node->udp_port = atoi (val); |
354 | else if (!strcmp (var, "tcp-port")) |
391 | else if (!strcmp (var, "tcp-port")) |
355 | node->tcp_port = atoi (val); |
392 | node->tcp_port = atoi (val); |
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393 | else if (!strcmp (var, "dns-hostname")) |
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394 | { |
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395 | #if ENABLE_DNS |
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396 | free (node->dns_hostname), node->dns_hostname = strdup (val); |
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397 | #endif |
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398 | } |
356 | else if (!strcmp (var, "dns-port")) |
399 | else if (!strcmp (var, "dns-port")) |
357 | { |
400 | { |
358 | #if ENABLE_DNS |
401 | #if ENABLE_DNS |
359 | node->dns_port = atoi (val); |
402 | node->dns_port = atoi (val); |
360 | #endif |
403 | #endif |
… | |
… | |
379 | node->connectmode = conf_node::C_ALWAYS; |
422 | node->connectmode = conf_node::C_ALWAYS; |
380 | else if (!strcmp (val, "disabled")) |
423 | else if (!strcmp (val, "disabled")) |
381 | node->connectmode = conf_node::C_DISABLED; |
424 | node->connectmode = conf_node::C_DISABLED; |
382 | else |
425 | else |
383 | slog (L_WARN, |
426 | slog (L_WARN, |
384 | _("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."), |
385 | var, fname, lineno); |
428 | var, fname, lineno); |
386 | } |
429 | } |
387 | else if (!strcmp (var, "inherit-tos")) |
430 | else if (!strcmp (var, "inherit-tos")) |
388 | { |
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389 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
431 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
390 | } |
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391 | else if (!strcmp (var, "compress")) |
432 | else if (!strcmp (var, "compress")) |
392 | { |
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393 | parse_bool (node->compress, "compress", true, false); |
433 | parse_bool (node->compress, "compress", true, false); |
394 | } |
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395 | // 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! |
396 | else if (!strcmp (var, "enable-tcp")) |
435 | else if (!strcmp (var, "enable-tcp")) |
397 | { |
436 | { |
398 | #if ENABLE_TCP |
437 | #if ENABLE_TCP |
399 | 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; |
… | |
… | |
421 | } |
460 | } |
422 | |
461 | |
423 | // unknown or misplaced |
462 | // unknown or misplaced |
424 | else |
463 | else |
425 | slog (L_WARN, |
464 | slog (L_WARN, |
426 | _("unknown or misplaced variable `%s', at '%s' line %d"), |
465 | _("unknown or misplaced variable `%s', at '%s' line %d, skipping."), |
427 | var, fname, lineno); |
466 | var, fname, lineno); |
428 | } |
467 | } |
429 | |
468 | |
430 | fclose (f); |
469 | fclose (f); |
431 | } |
470 | } |