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31 | #include <netdb.h> |
31 | #include <netdb.h> |
32 | #include <sys/stat.h> |
32 | #include <sys/stat.h> |
33 | #include <sys/types.h> |
33 | #include <sys/types.h> |
34 | #include <unistd.h> |
34 | #include <unistd.h> |
35 | |
35 | |
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36 | #include <netinet/in.h> |
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37 | |
36 | #include <openssl/err.h> |
38 | #include <openssl/err.h> |
37 | #include <openssl/pem.h> |
39 | #include <openssl/pem.h> |
38 | #include <openssl/rsa.h> |
40 | #include <openssl/rsa.h> |
39 | #include <openssl/rand.h> |
41 | #include <openssl/rand.h> |
40 | |
42 | |
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65 | { |
67 | { |
66 | memset (this, 0, sizeof (*this)); |
68 | memset (this, 0, sizeof (*this)); |
67 | |
69 | |
68 | rekey = DEFAULT_REKEY; |
70 | rekey = DEFAULT_REKEY; |
69 | keepalive = DEFAULT_KEEPALIVE; |
71 | keepalive = DEFAULT_KEEPALIVE; |
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72 | llevel = L_INFO; |
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73 | ip_proto = IPPROTO_GRE; |
70 | |
74 | |
71 | default_node.port = DEFAULT_PORT; |
75 | default_node.udp_port = DEFAULT_UDPPORT; |
72 | default_node.connectmode = conf_node::C_ALWAYS; |
76 | default_node.connectmode = conf_node::C_ALWAYS; |
73 | default_node.compress = true; |
77 | default_node.compress = true; |
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78 | default_node.can_send = PROT_UDPv4; |
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79 | default_node.can_recv = PROT_IPv4; |
74 | } |
80 | } |
75 | |
81 | |
76 | void configuration::cleanup() |
82 | void configuration::cleanup() |
77 | { |
83 | { |
78 | if (rsa_key) |
84 | if (rsa_key) |
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93 | nodes.clear (); |
99 | nodes.clear (); |
94 | |
100 | |
95 | cleanup (); |
101 | cleanup (); |
96 | init (); |
102 | init (); |
97 | } |
103 | } |
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104 | |
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105 | #define parse_bool(target,name,trueval,falseval) \ |
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106 | if (!strcmp (val, "yes")) target = trueval; \ |
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107 | else if (!strcmp (val, "no")) target = falseval; \ |
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108 | else if (!strcmp (val, "true")) target = trueval; \ |
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109 | else if (!strcmp (val, "false")) target = falseval; \ |
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110 | else if (!strcmp (val, "on")) target = trueval; \ |
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111 | else if (!strcmp (val, "off")) target = falseval; \ |
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112 | else \ |
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113 | slog (L_WARN, \ |
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114 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
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115 | name, var, fname, lineno); |
98 | |
116 | |
99 | void configuration::read_config (bool need_keys) |
117 | void configuration::read_config (bool need_keys) |
100 | { |
118 | { |
101 | char *fname; |
119 | char *fname; |
102 | FILE *f; |
120 | FILE *f; |
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162 | if (!strcmp (var, "loglevel")) |
180 | if (!strcmp (var, "loglevel")) |
163 | { |
181 | { |
164 | loglevel l = string_to_loglevel (val); |
182 | loglevel l = string_to_loglevel (val); |
165 | |
183 | |
166 | if (l != L_NONE) |
184 | if (l != L_NONE) |
167 | set_loglevel (l); |
185 | llevel = l; |
168 | else |
186 | else |
169 | slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
187 | slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
170 | } |
188 | } |
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189 | else if (!strcmp (var, "ip-proto")) |
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190 | ip_proto = atoi (val); |
171 | |
191 | |
172 | // per config |
192 | // per config |
173 | else if (!strcmp (var, "node")) |
193 | else if (!strcmp (var, "node")) |
174 | { |
194 | { |
175 | default_node.id++; |
195 | default_node.id++; |
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218 | } |
238 | } |
219 | else if (!strcmp (var, "private-key")) |
239 | else if (!strcmp (var, "private-key")) |
220 | prikeyfile = strdup (val); |
240 | prikeyfile = strdup (val); |
221 | else if (!strcmp (var, "ifpersist")) |
241 | else if (!strcmp (var, "ifpersist")) |
222 | { |
242 | { |
223 | if (!strcmp (val, "yes")) |
243 | parse_bool (ifpersist, "ifpersist", true, false); |
224 | ifpersist = true; |
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225 | else if (!strcmp (val, "no")) |
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226 | ifpersist = false; |
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227 | else |
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228 | slog (L_WARN, |
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229 | _("illegal value for 'ifpersist', only 'yes' or 'no' allowed, at '%s' line %d"), |
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230 | var, fname, lineno); |
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231 | } |
244 | } |
232 | else if (!strcmp (var, "ifname")) |
245 | else if (!strcmp (var, "ifname")) |
233 | ifname = strdup (val); |
246 | ifname = strdup (val); |
234 | else if (!strcmp (var, "rekey")) |
247 | else if (!strcmp (var, "rekey")) |
235 | rekey = atoi (val); |
248 | rekey = atoi (val); |
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250 | free (node->hostname); |
263 | free (node->hostname); |
251 | node->hostname = strdup (val); |
264 | node->hostname = strdup (val); |
252 | } |
265 | } |
253 | |
266 | |
254 | /* node-specific, defaultable */ |
267 | /* node-specific, defaultable */ |
255 | else if (!strcmp (var, "port")) |
268 | else if (!strcmp (var, "udp-port")) |
256 | node->port = atoi (val); |
269 | node->udp_port = atoi (val); |
257 | else if (!strcmp (var, "router-priority")) |
270 | else if (!strcmp (var, "router-priority")) |
258 | node->routerprio = atoi (val); |
271 | node->routerprio = atoi (val); |
259 | else if (!strcmp (var, "connect")) |
272 | else if (!strcmp (var, "connect")) |
260 | { |
273 | { |
261 | if (!strcmp (val, "ondemand")) |
274 | if (!strcmp (val, "ondemand")) |
262 | node->connectmode = conf_node::C_ONDEMAND; |
275 | node->connectmode = conf_node::C_ONDEMAND; |
263 | else if (!strcmp (val, "never")) |
276 | else if (!strcmp (val, "never")) |
264 | node->connectmode = conf_node::C_NEVER; |
277 | node->connectmode = conf_node::C_NEVER; |
265 | else if (!strcmp (val, "always")) |
278 | else if (!strcmp (val, "always")) |
266 | node->connectmode = conf_node::C_ALWAYS; |
279 | node->connectmode = conf_node::C_ALWAYS; |
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280 | else if (!strcmp (val, "disabled")) |
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281 | node->connectmode = conf_node::C_DISABLED; |
267 | else |
282 | else |
268 | slog (L_WARN, |
283 | slog (L_WARN, |
269 | _("illegal value for 'connectmode', use one of 'ondemand', 'never' or 'always', at '%s' line %d"), |
284 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"), |
270 | var, fname, lineno); |
285 | var, fname, lineno); |
271 | } |
286 | } |
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287 | else if (!strcmp (var, "inherit-tos")) |
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288 | { |
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289 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
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290 | } |
272 | else if (!strcmp (var, "compress")) |
291 | else if (!strcmp (var, "compress")) |
273 | { |
292 | { |
274 | if (!strcmp (val, "yes")) |
293 | parse_bool (node->compress, "compress", true, false); |
275 | node->compress = true; |
294 | } |
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295 | // all these bool options really really cost a lot of executable size! |
276 | else if (!strcmp (val, "no")) |
296 | else if (!strcmp (var, "can-send-udp")) |
277 | node->compress = false; |
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278 | else |
297 | { |
279 | slog (L_WARN, |
298 | u8 v; parse_bool (v, "can-send-udp", PROT_UDPv4, 0); node->can_send = (node->can_send & ~PROT_UDPv4) | v; |
280 | _("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"), |
299 | } |
281 | var, fname, lineno); |
300 | else if (!strcmp (var, "can-recv-udp")) |
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301 | { |
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302 | u8 v; parse_bool (v, "can-recv-udp", PROT_UDPv4, 0); node->can_recv = (node->can_recv & ~PROT_UDPv4) | v; |
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303 | } |
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304 | else if (!strcmp (var, "can-send-rawip")) |
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305 | { |
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306 | u8 v; parse_bool (v, "can-send-rawip", PROT_IPv4, 0); node->can_send = (node->can_send & ~PROT_IPv4) | v; |
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307 | } |
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308 | else if (!strcmp (var, "can-recv-rawip")) |
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309 | { |
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310 | u8 v; parse_bool (v, "can-recv-rawip", PROT_IPv4, 0); node->can_recv = (node->can_recv & ~PROT_IPv4) | v; |
282 | } |
311 | } |
283 | |
312 | |
284 | // unknown or misplaced |
313 | // unknown or misplaced |
285 | else |
314 | else |
286 | { |
315 | { |
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379 | connectmode == C_NEVER ? "never" : |
408 | connectmode == C_NEVER ? "never" : |
380 | connectmode == C_ALWAYS ? "always" : "", |
409 | connectmode == C_ALWAYS ? "always" : "", |
381 | nodename, |
410 | nodename, |
382 | hostname ? hostname : "", |
411 | hostname ? hostname : "", |
383 | hostname ? ":" : "", |
412 | hostname ? ":" : "", |
384 | hostname ? port : 0 |
413 | hostname ? udp_port : 0 |
385 | ); |
414 | ); |
386 | } |
415 | } |
387 | |
416 | |