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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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49 | char *identname; |
51 | char *identname; |
50 | char *pidfilename; |
52 | char *pidfilename; |
51 | |
53 | |
52 | struct configuration conf; |
54 | struct configuration conf; |
53 | |
55 | |
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56 | u8 best_protocol (u8 protset) |
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57 | { |
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58 | if (protset & PROT_IPv4 ) return PROT_IPv4; |
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59 | if (protset & PROT_UDPv4) return PROT_UDPv4; |
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60 | if (protset & PROT_TCPv4) return PROT_TCPv4; |
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61 | |
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62 | return 0; |
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63 | } |
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64 | |
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65 | const char *strprotocol (u8 protocol) |
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66 | { |
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67 | if (protocol & PROT_IPv4 ) return "rawip"; |
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68 | if (protocol & PROT_UDPv4) return "udp"; |
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69 | if (protocol & PROT_TCPv4) return "tcp"; |
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70 | |
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71 | return "<unknown>"; |
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72 | } |
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73 | |
54 | configuration::configuration () |
74 | configuration::configuration () |
55 | { |
75 | { |
56 | init (); |
76 | init (); |
57 | } |
77 | } |
58 | |
78 | |
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65 | { |
85 | { |
66 | memset (this, 0, sizeof (*this)); |
86 | memset (this, 0, sizeof (*this)); |
67 | |
87 | |
68 | rekey = DEFAULT_REKEY; |
88 | rekey = DEFAULT_REKEY; |
69 | keepalive = DEFAULT_KEEPALIVE; |
89 | keepalive = DEFAULT_KEEPALIVE; |
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90 | llevel = L_INFO; |
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91 | ip_proto = IPPROTO_GRE; |
70 | |
92 | |
71 | default_node.port = DEFAULT_PORT; |
93 | default_node.udp_port = DEFAULT_UDPPORT; |
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94 | default_node.tcp_port = DEFAULT_UDPPORT; |
72 | default_node.connectmode = conf_node::C_ALWAYS; |
95 | default_node.connectmode = conf_node::C_ALWAYS; |
73 | default_node.compress = true; |
96 | default_node.compress = true; |
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97 | default_node.protocols = PROT_UDPv4; |
74 | } |
98 | } |
75 | |
99 | |
76 | void configuration::cleanup() |
100 | void configuration::cleanup() |
77 | { |
101 | { |
78 | if (rsa_key) |
102 | if (rsa_key) |
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93 | nodes.clear (); |
117 | nodes.clear (); |
94 | |
118 | |
95 | cleanup (); |
119 | cleanup (); |
96 | init (); |
120 | init (); |
97 | } |
121 | } |
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122 | |
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123 | #define parse_bool(target,name,trueval,falseval) \ |
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124 | if (!strcmp (val, "yes")) target = trueval; \ |
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125 | else if (!strcmp (val, "no")) target = falseval; \ |
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126 | else if (!strcmp (val, "true")) target = trueval; \ |
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127 | else if (!strcmp (val, "false")) target = falseval; \ |
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128 | else if (!strcmp (val, "on")) target = trueval; \ |
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129 | else if (!strcmp (val, "off")) target = falseval; \ |
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130 | else \ |
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131 | slog (L_WARN, \ |
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132 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
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133 | name, var, fname, lineno); |
98 | |
134 | |
99 | void configuration::read_config (bool need_keys) |
135 | void configuration::read_config (bool need_keys) |
100 | { |
136 | { |
101 | char *fname; |
137 | char *fname; |
102 | FILE *f; |
138 | FILE *f; |
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162 | if (!strcmp (var, "loglevel")) |
198 | if (!strcmp (var, "loglevel")) |
163 | { |
199 | { |
164 | loglevel l = string_to_loglevel (val); |
200 | loglevel l = string_to_loglevel (val); |
165 | |
201 | |
166 | if (l != L_NONE) |
202 | if (l != L_NONE) |
167 | set_loglevel (l); |
203 | llevel = l; |
168 | else |
204 | else |
169 | slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
205 | slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
170 | } |
206 | } |
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207 | else if (!strcmp (var, "ip-proto")) |
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208 | ip_proto = atoi (val); |
171 | |
209 | |
172 | // per config |
210 | // per config |
173 | else if (!strcmp (var, "node")) |
211 | else if (!strcmp (var, "node")) |
174 | { |
212 | { |
175 | default_node.id++; |
213 | default_node.id++; |
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218 | } |
256 | } |
219 | else if (!strcmp (var, "private-key")) |
257 | else if (!strcmp (var, "private-key")) |
220 | prikeyfile = strdup (val); |
258 | prikeyfile = strdup (val); |
221 | else if (!strcmp (var, "ifpersist")) |
259 | else if (!strcmp (var, "ifpersist")) |
222 | { |
260 | { |
223 | if (!strcmp (val, "yes")) |
261 | 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 | } |
262 | } |
232 | else if (!strcmp (var, "ifname")) |
263 | else if (!strcmp (var, "ifname")) |
233 | ifname = strdup (val); |
264 | ifname = strdup (val); |
234 | else if (!strcmp (var, "rekey")) |
265 | else if (!strcmp (var, "rekey")) |
235 | rekey = atoi (val); |
266 | rekey = atoi (val); |
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250 | free (node->hostname); |
281 | free (node->hostname); |
251 | node->hostname = strdup (val); |
282 | node->hostname = strdup (val); |
252 | } |
283 | } |
253 | |
284 | |
254 | /* node-specific, defaultable */ |
285 | /* node-specific, defaultable */ |
255 | else if (!strcmp (var, "port")) |
286 | else if (!strcmp (var, "udp-port")) |
256 | node->port = atoi (val); |
287 | node->udp_port = atoi (val); |
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288 | else if (!strcmp (var, "tcp-port")) |
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289 | node->tcp_port = atoi (val); |
257 | else if (!strcmp (var, "router-priority")) |
290 | else if (!strcmp (var, "router-priority")) |
258 | node->routerprio = atoi (val); |
291 | node->routerprio = atoi (val); |
259 | else if (!strcmp (var, "connect")) |
292 | else if (!strcmp (var, "connect")) |
260 | { |
293 | { |
261 | if (!strcmp (val, "ondemand")) |
294 | if (!strcmp (val, "ondemand")) |
262 | node->connectmode = conf_node::C_ONDEMAND; |
295 | node->connectmode = conf_node::C_ONDEMAND; |
263 | else if (!strcmp (val, "never")) |
296 | else if (!strcmp (val, "never")) |
264 | node->connectmode = conf_node::C_NEVER; |
297 | node->connectmode = conf_node::C_NEVER; |
265 | else if (!strcmp (val, "always")) |
298 | else if (!strcmp (val, "always")) |
266 | node->connectmode = conf_node::C_ALWAYS; |
299 | node->connectmode = conf_node::C_ALWAYS; |
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300 | else if (!strcmp (val, "disabled")) |
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301 | node->connectmode = conf_node::C_DISABLED; |
267 | else |
302 | else |
268 | slog (L_WARN, |
303 | slog (L_WARN, |
269 | _("illegal value for 'connectmode', use one of 'ondemand', 'never' or 'always', at '%s' line %d"), |
304 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"), |
270 | var, fname, lineno); |
305 | var, fname, lineno); |
271 | } |
306 | } |
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307 | else if (!strcmp (var, "inherit-tos")) |
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308 | { |
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309 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
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310 | } |
272 | else if (!strcmp (var, "compress")) |
311 | else if (!strcmp (var, "compress")) |
273 | { |
312 | { |
274 | if (!strcmp (val, "yes")) |
313 | parse_bool (node->compress, "compress", true, false); |
275 | node->compress = true; |
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276 | else if (!strcmp (val, "no")) |
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277 | node->compress = false; |
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278 | else |
314 | } |
279 | slog (L_WARN, |
315 | // all these bool options really really cost a lot of executable size! |
280 | _("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"), |
316 | else if (!strcmp (var, "enable-tcp")) |
281 | var, fname, lineno); |
317 | { |
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318 | #if ENABLE_TCP |
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319 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
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320 | #endif |
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321 | } |
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322 | else if (!strcmp (var, "enable-udp")) |
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323 | { |
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324 | u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; |
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325 | } |
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326 | else if (!strcmp (var, "enable-rawip")) |
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327 | { |
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328 | u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v; |
282 | } |
329 | } |
283 | |
330 | |
284 | // unknown or misplaced |
331 | // unknown or misplaced |
285 | else |
332 | else |
286 | { |
333 | { |
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379 | connectmode == C_NEVER ? "never" : |
426 | connectmode == C_NEVER ? "never" : |
380 | connectmode == C_ALWAYS ? "always" : "", |
427 | connectmode == C_ALWAYS ? "always" : "", |
381 | nodename, |
428 | nodename, |
382 | hostname ? hostname : "", |
429 | hostname ? hostname : "", |
383 | hostname ? ":" : "", |
430 | hostname ? ":" : "", |
384 | hostname ? port : 0 |
431 | hostname ? udp_port : 0 |
385 | ); |
432 | ); |
386 | } |
433 | } |
387 | |
434 | |