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12471842 PL |
1 | /* |
2 | * This file is part of PowerDNS or dnsdist. | |
3 | * Copyright -- PowerDNS.COM B.V. and its contributors | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * In addition, for the avoidance of any doubt, permission is granted to | |
10 | * link this program with OpenSSL and to (re)distribute the binaries | |
11 | * produced as the result of such linking. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | */ | |
6bb38cd6 RG |
22 | |
23 | #include <dirent.h> | |
24 | #include <fstream> | |
aff9ca62 PD |
25 | |
26 | // for OpenBSD, sys/socket.h needs to come before net/if.h | |
27 | #include <sys/socket.h> | |
6bb38cd6 | 28 | #include <net/if.h> |
aff9ca62 | 29 | |
9ef9b494 | 30 | #include <sys/types.h> |
6bb38cd6 | 31 | #include <sys/stat.h> |
df111b53 | 32 | #include <thread> |
6bb38cd6 RG |
33 | |
34 | #include "dnsdist.hh" | |
b5521206 | 35 | #include "dnsdist-console.hh" |
e7c732b8 | 36 | #include "dnsdist-ecs.hh" |
dd9c8246 | 37 | #include "dnsdist-healthchecks.hh" |
6bb38cd6 | 38 | #include "dnsdist-lua.hh" |
03b00917 | 39 | #include "dnsdist-rings.hh" |
5d4e1ef8 | 40 | #include "dnsdist-secpoll.hh" |
6bb38cd6 | 41 | |
df111b53 | 42 | #include "base64.hh" |
b7860997 | 43 | #include "dnswriter.hh" |
6bb38cd6 | 44 | #include "dolog.hh" |
0e41337b | 45 | #include "lock.hh" |
a227f47d | 46 | #include "protobuf.hh" |
6bb38cd6 RG |
47 | #include "sodcrypto.hh" |
48 | ||
8c15553e RG |
49 | #ifdef HAVE_LIBSSL |
50 | #include "libssl.hh" | |
51 | #endif | |
52 | ||
6bb38cd6 | 53 | #include <boost/logic/tribool.hpp> |
1720247e | 54 | #include <boost/lexical_cast.hpp> |
df111b53 | 55 | |
6ab65223 PL |
56 | #ifdef HAVE_SYSTEMD |
57 | #include <systemd/sd-daemon.h> | |
58 | #endif | |
59 | ||
df111b53 | 60 | using std::thread; |
61 | ||
6bb38cd6 | 62 | static vector<std::function<void(void)>>* g_launchWork = nullptr; |
2e72cc0e | 63 | |
6bb38cd6 RG |
64 | boost::tribool g_noLuaSideEffect; |
65 | static bool g_included{false}; | |
d8d85a30 | 66 | |
6bb38cd6 RG |
67 | /* this is a best effort way to prevent logging calls with no side-effects in the output of delta() |
68 | Functions can declare setLuaNoSideEffect() and if nothing else does declare a side effect, or nothing | |
69 | has done so before on this invocation, this call won't be part of delta() output */ | |
70 | void setLuaNoSideEffect() | |
153d5065 | 71 | { |
6bb38cd6 RG |
72 | if(g_noLuaSideEffect==false) // there has been a side effect already |
73 | return; | |
74 | g_noLuaSideEffect=true; | |
75 | } | |
153d5065 | 76 | |
6bb38cd6 | 77 | void setLuaSideEffect() |
d8d85a30 | 78 | { |
6bb38cd6 RG |
79 | g_noLuaSideEffect=false; |
80 | } | |
f850b032 | 81 | |
6bb38cd6 RG |
82 | bool getLuaNoSideEffect() |
83 | { | |
d7a26377 RG |
84 | if (g_noLuaSideEffect) { |
85 | return true; | |
86 | } | |
87 | return false; | |
d8d85a30 | 88 | } |
89 | ||
6bb38cd6 | 90 | void resetLuaSideEffect() |
2d11d1b2 | 91 | { |
6bb38cd6 | 92 | g_noLuaSideEffect = boost::logic::indeterminate; |
2d11d1b2 | 93 | } |
94 | ||
37b9ba5a | 95 | typedef std::unordered_map<std::string, boost::variant<bool, int, std::string, std::vector<std::pair<int,int> >, std::vector<std::pair<int, std::string> >, std::map<std::string,std::string> > > localbind_t; |
6bb38cd6 | 96 | |
0230e350 | 97 | static void parseLocalBindVars(boost::optional<localbind_t> vars, bool& reusePort, int& tcpFastOpenQueueSize, std::string& interface, std::set<int>& cpus) |
efd35aa8 RG |
98 | { |
99 | if (vars) { | |
efd35aa8 RG |
100 | if (vars->count("reusePort")) { |
101 | reusePort = boost::get<bool>((*vars)["reusePort"]); | |
102 | } | |
103 | if (vars->count("tcpFastOpenQueueSize")) { | |
104 | tcpFastOpenQueueSize = boost::get<int>((*vars)["tcpFastOpenQueueSize"]); | |
105 | } | |
106 | if (vars->count("interface")) { | |
107 | interface = boost::get<std::string>((*vars)["interface"]); | |
108 | } | |
f0e4dcba RG |
109 | if (vars->count("cpus")) { |
110 | for (const auto cpu : boost::get<std::vector<std::pair<int,int>>>((*vars)["cpus"])) { | |
111 | cpus.insert(cpu.second); | |
112 | } | |
113 | } | |
efd35aa8 RG |
114 | } |
115 | } | |
116 | ||
39006144 | 117 | #if defined(HAVE_DNS_OVER_TLS) || defined(HAVE_DNS_OVER_HTTPS) |
bf8cd40d | 118 | static bool loadTLSCertificateAndKeys(const std::string& context, std::vector<std::pair<std::string, std::string>>& pairs, boost::variant<std::string, std::vector<std::pair<int,std::string>>> certFiles, boost::variant<std::string, std::vector<std::pair<int,std::string>>> keyFiles) |
8ef43a02 RG |
119 | { |
120 | if (certFiles.type() == typeid(std::string) && keyFiles.type() == typeid(std::string)) { | |
121 | auto certFile = boost::get<std::string>(certFiles); | |
122 | auto keyFile = boost::get<std::string>(keyFiles); | |
bf8cd40d RG |
123 | pairs.clear(); |
124 | pairs.push_back({certFile, keyFile}); | |
8ef43a02 RG |
125 | } |
126 | else if (certFiles.type() == typeid(std::vector<std::pair<int,std::string>>) && keyFiles.type() == typeid(std::vector<std::pair<int,std::string>>)) | |
127 | { | |
128 | auto certFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(certFiles); | |
129 | auto keyFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(keyFiles); | |
130 | if (certFilesVect.size() == keyFilesVect.size()) { | |
bf8cd40d | 131 | pairs.clear(); |
8ef43a02 | 132 | for (size_t idx = 0; idx < certFilesVect.size(); idx++) { |
bf8cd40d | 133 | pairs.push_back({certFilesVect.at(idx).second, keyFilesVect.at(idx).second}); |
8ef43a02 RG |
134 | } |
135 | } | |
136 | else { | |
bf8cd40d RG |
137 | errlog("Error, mismatching number of certificates and keys in call to %s()!", context); |
138 | g_outputBuffer="Error, mismatching number of certificates and keys in call to " + context + "()!"; | |
8ef43a02 RG |
139 | return false; |
140 | } | |
141 | } | |
142 | else { | |
bf8cd40d RG |
143 | errlog("Error, mismatching number of certificates and keys in call to %s()!", context); |
144 | g_outputBuffer="Error, mismatching number of certificates and keys in call to " + context + "()!"; | |
8ef43a02 RG |
145 | return false; |
146 | } | |
147 | ||
148 | return true; | |
149 | } | |
b54e94dc RG |
150 | |
151 | static void parseTLSConfig(TLSConfig& config, const std::string& context, boost::optional<localbind_t> vars) | |
152 | { | |
153 | if (vars->count("ciphers")) { | |
154 | config.d_ciphers = boost::get<const string>((*vars)["ciphers"]); | |
155 | } | |
156 | ||
157 | if (vars->count("ciphersTLS13")) { | |
158 | config.d_ciphers13 = boost::get<const string>((*vars)["ciphersTLS13"]); | |
159 | } | |
160 | ||
161 | #ifdef HAVE_LIBSSL | |
162 | if (vars->count("minTLSVersion")) { | |
163 | config.d_minTLSVersion = libssl_tls_version_from_string(boost::get<const string>((*vars)["minTLSVersion"])); | |
164 | } | |
165 | #endif /* HAVE_LIBSSL */ | |
166 | ||
167 | if (vars->count("ticketKeyFile")) { | |
168 | config.d_ticketKeyFile = boost::get<const string>((*vars)["ticketKeyFile"]); | |
169 | } | |
170 | ||
171 | if (vars->count("ticketsKeysRotationDelay")) { | |
172 | config.d_ticketsKeyRotationDelay = boost::get<int>((*vars)["ticketsKeysRotationDelay"]); | |
173 | } | |
174 | ||
175 | if (vars->count("numberOfTicketsKeys")) { | |
176 | config.d_numberOfTicketsKeys = boost::get<int>((*vars)["numberOfTicketsKeys"]); | |
177 | } | |
178 | ||
179 | if (vars->count("preferServerCiphers")) { | |
180 | config.d_preferServerCiphers = boost::get<bool>((*vars)["preferServerCiphers"]); | |
181 | } | |
182 | ||
183 | if (vars->count("sessionTickets")) { | |
184 | config.d_enableTickets = boost::get<bool>((*vars)["sessionTickets"]); | |
185 | } | |
186 | ||
187 | if (vars->count("numberOfStoredSessions")) { | |
188 | auto value = boost::get<int>((*vars)["numberOfStoredSessions"]); | |
189 | if (value < 0) { | |
190 | errlog("Invalid value '%d' for %s() parameter 'numberOfStoredSessions', should be >= 0, dismissing", value, context); | |
191 | g_outputBuffer="Invalid value '" + std::to_string(value) + "' for " + context + "() parameter 'numberOfStoredSessions', should be >= 0, dimissing"; | |
192 | } | |
193 | config.d_maxStoredSessions = value; | |
194 | } | |
195 | ||
196 | if (vars->count("ocspResponses")) { | |
197 | auto files = boost::get<std::vector<std::pair<int, std::string>>>((*vars)["ocspResponses"]); | |
198 | for (const auto& file : files) { | |
199 | config.d_ocspFiles.push_back(file.second); | |
200 | } | |
201 | } | |
7f8a5a32 RG |
202 | |
203 | if (vars->count("keyLogFile")) { | |
204 | config.d_keyLogFile = boost::get<const string>((*vars)["keyLogFile"]); | |
205 | } | |
b54e94dc RG |
206 | } |
207 | ||
39006144 | 208 | #endif // defined(HAVE_DNS_OVER_TLS) || defined(HAVE_DNS_OVER_HTTPS) |
8ef43a02 | 209 | |
203b5348 | 210 | void setupLuaConfig(bool client, bool configCheck) |
df111b53 | 211 | { |
98650fde | 212 | typedef std::unordered_map<std::string, boost::variant<bool, std::string, vector<pair<int, std::string> >, DownstreamState::checkfunc_t > > newserver_t; |
6f2a4580 | 213 | g_lua.writeFunction("inClientStartup", [client]() { |
541dd48f | 214 | return client && !g_configurationDone; |
6f2a4580 PD |
215 | }); |
216 | ||
203b5348 RG |
217 | g_lua.writeFunction("inConfigCheck", [client, configCheck]() { |
218 | return !configCheck; | |
219 | }); | |
220 | ||
6bb38cd6 | 221 | g_lua.writeFunction("newServer", |
203b5348 | 222 | [client, configCheck](boost::variant<string,newserver_t> pvars, boost::optional<int> qps) { |
a5526b57 CH |
223 | setLuaSideEffect(); |
224 | ||
225 | std::shared_ptr<DownstreamState> ret = std::make_shared<DownstreamState>(ComboAddress()); | |
226 | newserver_t vars; | |
227 | ||
228 | ComboAddress serverAddr; | |
229 | std::string serverAddressStr; | |
230 | if(auto addrStr = boost::get<string>(&pvars)) { | |
231 | serverAddressStr = *addrStr; | |
232 | if(qps) { | |
233 | vars["qps"] = std::to_string(*qps); | |
234 | } | |
235 | } else { | |
236 | vars = boost::get<newserver_t>(pvars); | |
237 | serverAddressStr = boost::get<string>(vars["address"]); | |
238 | } | |
2e72cc0e | 239 | |
a5526b57 CH |
240 | try { |
241 | serverAddr = ComboAddress(serverAddressStr, 53); | |
242 | } | |
243 | catch(const PDNSException& e) { | |
244 | g_outputBuffer="Error creating new server: "+string(e.reason); | |
245 | errlog("Error creating new server with address %s: %s", serverAddressStr, e.reason); | |
246 | return ret; | |
247 | } | |
248 | catch(std::exception& e) { | |
249 | g_outputBuffer="Error creating new server: "+string(e.what()); | |
250 | errlog("Error creating new server with address %s: %s", serverAddressStr, e.what()); | |
251 | return ret; | |
252 | } | |
2e72cc0e | 253 | |
a5526b57 CH |
254 | if(IsAnyAddress(serverAddr)) { |
255 | g_outputBuffer="Error creating new server: invalid address for a downstream server."; | |
256 | errlog("Error creating new server: %s is not a valid address for a downstream server", serverAddressStr); | |
257 | return ret; | |
258 | } | |
259 | ||
260 | ComboAddress sourceAddr; | |
70b0d0e2 | 261 | std::string sourceItfName; |
a5526b57 CH |
262 | unsigned int sourceItf = 0; |
263 | size_t numberOfSockets = 1; | |
264 | std::set<int> cpus; | |
fbe2a2e0 | 265 | |
8592b46e RG |
266 | if(vars.count("source")) { |
267 | /* handle source in the following forms: | |
268 | - v4 address ("192.0.2.1") | |
269 | - v6 address ("2001:DB8::1") | |
270 | - interface name ("eth0") | |
271 | - v4 address and interface name ("192.0.2.1@eth0") | |
272 | - v6 address and interface name ("2001:DB8::1@eth0") | |
273 | */ | |
274 | const string source = boost::get<string>(vars["source"]); | |
275 | bool parsed = false; | |
276 | std::string::size_type pos = source.find("@"); | |
277 | if (pos == std::string::npos) { | |
278 | /* no '@', try to parse that as a valid v4/v6 address */ | |
279 | try { | |
280 | sourceAddr = ComboAddress(source); | |
281 | parsed = true; | |
282 | } | |
283 | catch(...) | |
284 | { | |
285 | } | |
286 | } | |
287 | ||
288 | if (parsed == false) | |
289 | { | |
290 | /* try to parse as interface name, or v4/v6@itf */ | |
291 | sourceItfName = source.substr(pos == std::string::npos ? 0 : pos + 1); | |
292 | unsigned int itfIdx = if_nametoindex(sourceItfName.c_str()); | |
293 | ||
294 | if (itfIdx != 0) { | |
295 | if (pos == 0 || pos == std::string::npos) { | |
296 | /* "eth0" or "@eth0" */ | |
297 | sourceItf = itfIdx; | |
298 | } | |
299 | else { | |
300 | /* "192.0.2.1@eth0" */ | |
301 | sourceAddr = ComboAddress(source.substr(0, pos)); | |
302 | sourceItf = itfIdx; | |
303 | } | |
83fe2c55 | 304 | #ifdef SO_BINDTODEVICE |
8592b46e RG |
305 | /* we need to retain CAP_NET_RAW to be able to set SO_BINDTODEVICE in the health checks */ |
306 | g_capabilitiesToRetain.insert("CAP_NET_RAW"); | |
83fe2c55 | 307 | #endif |
8592b46e RG |
308 | } |
309 | else | |
310 | { | |
311 | warnlog("Dismissing source %s because '%s' is not a valid interface name", source, sourceItfName); | |
312 | } | |
313 | } | |
314 | } | |
315 | ||
316 | if (vars.count("sockets")) { | |
317 | numberOfSockets = std::stoul(boost::get<string>(vars["sockets"])); | |
318 | if (numberOfSockets == 0) { | |
319 | warnlog("Dismissing invalid number of sockets '%s', using 1 instead", boost::get<string>(vars["sockets"])); | |
320 | numberOfSockets = 1; | |
321 | } | |
322 | } | |
150105a2 | 323 | |
203b5348 RG |
324 | // create but don't connect the socket in client or check-config modes |
325 | ret=std::make_shared<DownstreamState>(serverAddr, sourceAddr, sourceItf, sourceItfName, numberOfSockets, !(client || configCheck)); | |
fbe2a2e0 | 326 | |
8592b46e RG |
327 | if(vars.count("qps")) { |
328 | int qpsVal=std::stoi(boost::get<string>(vars["qps"])); | |
329 | ret->qps=QPSLimiter(qpsVal, qpsVal); | |
330 | } | |
331 | ||
332 | if(vars.count("order")) { | |
333 | ret->order=std::stoi(boost::get<string>(vars["order"])); | |
334 | } | |
335 | ||
336 | if(vars.count("weight")) { | |
337 | try { | |
338 | int weightVal=std::stoi(boost::get<string>(vars["weight"])); | |
339 | ||
340 | if(weightVal < 1) { | |
341 | errlog("Error creating new server: downstream weight value must be greater than 0."); | |
342 | return ret; | |
343 | } | |
344 | ||
345 | ret->setWeight(weightVal); | |
346 | } | |
347 | catch(std::exception& e) { | |
348 | // std::stoi will throw an exception if the string isn't in a value int range | |
349 | errlog("Error creating new server: downstream weight value must be between %s and %s", 1, std::numeric_limits<int>::max()); | |
350 | return ret; | |
351 | } | |
352 | } | |
353 | ||
354 | if(vars.count("retries")) { | |
355 | ret->retries=std::stoi(boost::get<string>(vars["retries"])); | |
356 | } | |
357 | ||
358 | if(vars.count("checkInterval")) { | |
359 | ret->checkInterval=static_cast<unsigned int>(std::stoul(boost::get<string>(vars["checkInterval"]))); | |
360 | } | |
361 | ||
362 | if(vars.count("tcpConnectTimeout")) { | |
363 | ret->tcpConnectTimeout=std::stoi(boost::get<string>(vars["tcpConnectTimeout"])); | |
364 | } | |
365 | ||
366 | if(vars.count("tcpSendTimeout")) { | |
367 | ret->tcpSendTimeout=std::stoi(boost::get<string>(vars["tcpSendTimeout"])); | |
368 | } | |
369 | ||
370 | if(vars.count("tcpRecvTimeout")) { | |
371 | ret->tcpRecvTimeout=std::stoi(boost::get<string>(vars["tcpRecvTimeout"])); | |
372 | } | |
373 | ||
374 | if(vars.count("tcpFastOpen")) { | |
375 | bool fastOpen = boost::get<bool>(vars["tcpFastOpen"]); | |
376 | if (fastOpen) { | |
d987f632 | 377 | #ifdef MSG_FASTOPEN |
8592b46e | 378 | ret->tcpFastOpen=true; |
d987f632 | 379 | #else |
8592b46e | 380 | warnlog("TCP Fast Open has been configured on downstream server %s but is not supported", boost::get<string>(vars["address"])); |
d987f632 | 381 | #endif |
8592b46e RG |
382 | } |
383 | } | |
284d460c | 384 | |
8592b46e RG |
385 | if(vars.count("name")) { |
386 | ret->name=boost::get<string>(vars["name"]); | |
387 | } | |
18eeccc9 | 388 | |
8592b46e RG |
389 | if (vars.count("id")) { |
390 | ret->setId(boost::lexical_cast<boost::uuids::uuid>(boost::get<string>(vars["id"]))); | |
391 | } | |
1720247e | 392 | |
8592b46e RG |
393 | if(vars.count("checkName")) { |
394 | ret->checkName=DNSName(boost::get<string>(vars["checkName"])); | |
395 | } | |
ad485896 | 396 | |
8592b46e RG |
397 | if(vars.count("checkType")) { |
398 | ret->checkType=boost::get<string>(vars["checkType"]); | |
399 | } | |
ad485896 | 400 | |
8592b46e RG |
401 | if(vars.count("checkClass")) { |
402 | ret->checkClass=std::stoi(boost::get<string>(vars["checkClass"])); | |
403 | } | |
de9f7157 | 404 | |
8592b46e RG |
405 | if(vars.count("checkFunction")) { |
406 | ret->checkFunction= boost::get<DownstreamState::checkfunc_t>(vars["checkFunction"]); | |
407 | } | |
98650fde | 408 | |
8592b46e RG |
409 | if(vars.count("checkTimeout")) { |
410 | ret->checkTimeout = std::stoi(boost::get<string>(vars["checkTimeout"])); | |
411 | } | |
b7e6f4a1 | 412 | |
8592b46e RG |
413 | if(vars.count("setCD")) { |
414 | ret->setCD=boost::get<bool>(vars["setCD"]); | |
415 | } | |
21830638 | 416 | |
8592b46e RG |
417 | if(vars.count("mustResolve")) { |
418 | ret->mustResolve=boost::get<bool>(vars["mustResolve"]); | |
419 | } | |
a6e02424 | 420 | |
8592b46e RG |
421 | if(vars.count("useClientSubnet")) { |
422 | ret->useECS=boost::get<bool>(vars["useClientSubnet"]); | |
423 | } | |
ca404e94 | 424 | |
8592b46e RG |
425 | if(vars.count("disableZeroScope")) { |
426 | ret->disableZeroScope=boost::get<bool>(vars["disableZeroScope"]); | |
427 | } | |
996db8e9 | 428 | |
8592b46e RG |
429 | if(vars.count("ipBindAddrNoPort")) { |
430 | ret->ipBindAddrNoPort=boost::get<bool>(vars["ipBindAddrNoPort"]); | |
431 | } | |
5cc8371b | 432 | |
8592b46e RG |
433 | if(vars.count("addXPF")) { |
434 | ret->xpfRRCode=std::stoi(boost::get<string>(vars["addXPF"])); | |
435 | } | |
5602f131 | 436 | |
8592b46e RG |
437 | if(vars.count("maxCheckFailures")) { |
438 | ret->maxCheckFailures=std::stoi(boost::get<string>(vars["maxCheckFailures"])); | |
439 | } | |
9e87dcb8 | 440 | |
8592b46e RG |
441 | if(vars.count("rise")) { |
442 | ret->minRiseSuccesses=std::stoi(boost::get<string>(vars["rise"])); | |
443 | } | |
1b633bec | 444 | |
8592b46e RG |
445 | if(vars.count("cpus")) { |
446 | for (const auto cpu : boost::get<vector<pair<int,string>>>(vars["cpus"])) { | |
447 | cpus.insert(std::stoi(cpu.second)); | |
448 | } | |
449 | } | |
3a8ee8bf | 450 | |
8592b46e RG |
451 | /* this needs to be done _AFTER_ the order has been set, |
452 | since the server are kept ordered inside the pool */ | |
453 | auto localPools = g_pools.getCopy(); | |
454 | if(vars.count("pool")) { | |
455 | if(auto* pool = boost::get<string>(&vars["pool"])) { | |
456 | ret->pools.insert(*pool); | |
457 | } | |
458 | else { | |
459 | auto pools = boost::get<vector<pair<int, string> > >(vars["pool"]); | |
460 | for(auto& p : pools) { | |
461 | ret->pools.insert(p.second); | |
462 | } | |
463 | } | |
464 | for(const auto& poolName: ret->pools) { | |
465 | addServerToPool(localPools, poolName, ret); | |
466 | } | |
467 | } | |
468 | else { | |
469 | addServerToPool(localPools, "", ret); | |
470 | } | |
471 | g_pools.setState(localPools); | |
472 | ||
473 | if (ret->connected) { | |
474 | ret->threadStarted.test_and_set(); | |
475 | ||
476 | if(g_launchWork) { | |
477 | g_launchWork->push_back([ret,cpus]() { | |
478 | ret->tid = thread(responderThread, ret); | |
479 | if (!cpus.empty()) { | |
480 | mapThreadToCPUList(ret->tid.native_handle(), cpus); | |
481 | } | |
482 | }); | |
483 | } | |
484 | else { | |
485 | ret->tid = thread(responderThread, ret); | |
486 | if (!cpus.empty()) { | |
487 | mapThreadToCPUList(ret->tid.native_handle(), cpus); | |
488 | } | |
489 | } | |
490 | } | |
8c82c02d | 491 | |
8592b46e RG |
492 | auto states = g_dstates.getCopy(); |
493 | states.push_back(ret); | |
494 | std::stable_sort(states.begin(), states.end(), [](const decltype(ret)& a, const decltype(ret)& b) { | |
495 | return a->order < b->order; | |
496 | }); | |
497 | g_dstates.setState(states); | |
498 | return ret; | |
499 | } ); | |
df111b53 | 500 | |
6bb38cd6 | 501 | g_lua.writeFunction("rmServer", |
adfdcc4b | 502 | [](boost::variant<std::shared_ptr<DownstreamState>, int, std::string> var) |
8592b46e | 503 | { |
f758857a | 504 | setLuaSideEffect(); |
adfdcc4b | 505 | shared_ptr<DownstreamState> server = nullptr; |
886e2cf2 | 506 | auto states = g_dstates.getCopy(); |
adfdcc4b | 507 | if (auto* rem = boost::get<shared_ptr<DownstreamState>>(&var)) { |
886e2cf2 RG |
508 | server = *rem; |
509 | } | |
adfdcc4b RG |
510 | else if (auto str = boost::get<std::string>(&var)) { |
511 | const auto uuid = getUniqueID(*str); | |
512 | for (auto& state : states) { | |
513 | if (state->id == uuid) { | |
514 | server = state; | |
515 | } | |
516 | } | |
517 | } | |
886e2cf2 RG |
518 | else { |
519 | int idx = boost::get<int>(var); | |
0f06cd4c | 520 | server = states.at(idx); |
886e2cf2 | 521 | } |
adfdcc4b RG |
522 | if (!server) { |
523 | throw std::runtime_error("unable to locate the requested server"); | |
524 | } | |
886e2cf2 RG |
525 | auto localPools = g_pools.getCopy(); |
526 | for (const string& poolName : server->pools) { | |
527 | removeServerFromPool(localPools, poolName, server); | |
528 | } | |
0f06cd4c RG |
529 | /* the server might also be in the default pool */ |
530 | removeServerFromPool(localPools, "", server); | |
886e2cf2 RG |
531 | g_pools.setState(localPools); |
532 | states.erase(remove(states.begin(), states.end(), server), states.end()); | |
533 | g_dstates.setState(states); | |
8592b46e | 534 | } ); |
df111b53 | 535 | |
df111b53 | 536 | g_lua.writeFunction("setServerPolicy", [](ServerPolicy policy) { |
f758857a | 537 | setLuaSideEffect(); |
e5a14b2b | 538 | g_policy.setState(policy); |
df111b53 | 539 | }); |
70a57b05 | 540 | g_lua.writeFunction("setServerPolicyLua", [](string name, policyfunc_t policy) { |
f758857a | 541 | setLuaSideEffect(); |
a1b1a29d | 542 | g_policy.setState(ServerPolicy{name, policy, true}); |
df111b53 | 543 | }); |
544 | ||
545 | g_lua.writeFunction("showServerPolicy", []() { | |
f758857a | 546 | setLuaSideEffect(); |
ecbe9133 | 547 | g_outputBuffer=g_policy.getLocal()->name+"\n"; |
df111b53 | 548 | }); |
549 | ||
f758857a | 550 | g_lua.writeFunction("truncateTC", [](bool tc) { setLuaSideEffect(); g_truncateTC=tc; }); |
551 | g_lua.writeFunction("fixupCase", [](bool fu) { setLuaSideEffect(); g_fixupCase=fu; }); | |
df111b53 | 552 | |
df111b53 | 553 | g_lua.writeFunction("addACL", [](const std::string& domain) { |
f758857a | 554 | setLuaSideEffect(); |
e5a14b2b | 555 | g_ACL.modify([domain](NetmaskGroup& nmg) { nmg.addMask(domain); }); |
df111b53 | 556 | }); |
2e72cc0e | 557 | |
efd35aa8 | 558 | g_lua.writeFunction("setLocal", [client](const std::string& addr, boost::optional<localbind_t> vars) { |
f758857a | 559 | setLuaSideEffect(); |
5949b95b | 560 | if(client) |
561 | return; | |
85e4ce52 RG |
562 | if (g_configurationDone) { |
563 | g_outputBuffer="setLocal cannot be used at runtime!\n"; | |
564 | return; | |
565 | } | |
efd35aa8 RG |
566 | bool reusePort = false; |
567 | int tcpFastOpenQueueSize = 0; | |
568 | std::string interface; | |
f0e4dcba | 569 | std::set<int> cpus; |
efd35aa8 | 570 | |
0230e350 | 571 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
efd35aa8 | 572 | |
5949b95b | 573 | try { |
574 | ComboAddress loc(addr, 53); | |
6e9fd124 RG |
575 | for (auto it = g_frontends.begin(); it != g_frontends.end(); ) { |
576 | /* TLS and DNSCrypt frontends are separate */ | |
577 | if ((*it)->tlsFrontend == nullptr && (*it)->dnscryptCtx == nullptr) { | |
578 | it = g_frontends.erase(it); | |
579 | } | |
580 | else { | |
581 | ++it; | |
582 | } | |
583 | } | |
584 | ||
585 | // only works pre-startup, so no sync necessary | |
586 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, false, reusePort, tcpFastOpenQueueSize, interface, cpus))); | |
0230e350 | 587 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, true, reusePort, tcpFastOpenQueueSize, interface, cpus))); |
5949b95b | 588 | } |
6e9fd124 | 589 | catch(const std::exception& e) { |
5949b95b | 590 | g_outputBuffer="Error: "+string(e.what())+"\n"; |
591 | } | |
592 | }); | |
593 | ||
efd35aa8 | 594 | g_lua.writeFunction("addLocal", [client](const std::string& addr, boost::optional<localbind_t> vars) { |
f758857a | 595 | setLuaSideEffect(); |
2e72cc0e | 596 | if(client) |
597 | return; | |
85e4ce52 RG |
598 | if (g_configurationDone) { |
599 | g_outputBuffer="addLocal cannot be used at runtime!\n"; | |
600 | return; | |
601 | } | |
efd35aa8 RG |
602 | bool reusePort = false; |
603 | int tcpFastOpenQueueSize = 0; | |
604 | std::string interface; | |
f0e4dcba | 605 | std::set<int> cpus; |
efd35aa8 | 606 | |
0230e350 | 607 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
efd35aa8 | 608 | |
2e72cc0e | 609 | try { |
610 | ComboAddress loc(addr, 53); | |
6e9fd124 RG |
611 | // only works pre-startup, so no sync necessary |
612 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, false, reusePort, tcpFastOpenQueueSize, interface, cpus))); | |
0230e350 | 613 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, true, reusePort, tcpFastOpenQueueSize, interface, cpus))); |
2e72cc0e | 614 | } |
615 | catch(std::exception& e) { | |
56d44226 RG |
616 | g_outputBuffer="Error: "+string(e.what())+"\n"; |
617 | errlog("Error while trying to listen on %s: %s\n", addr, string(e.what())); | |
2e72cc0e | 618 | } |
619 | }); | |
6bb38cd6 | 620 | |
e4944ea0 | 621 | g_lua.writeFunction("setACL", [](boost::variant<string,vector<pair<int, string>>> inp) { |
f758857a | 622 | setLuaSideEffect(); |
e5a14b2b | 623 | NetmaskGroup nmg; |
e4944ea0 | 624 | if(auto str = boost::get<string>(&inp)) { |
625 | nmg.addMask(*str); | |
626 | } | |
627 | else for(const auto& p : boost::get<vector<pair<int,string>>>(inp)) { | |
e5a14b2b | 628 | nmg.addMask(p.second); |
cffde2fd | 629 | } |
630 | g_ACL.setState(nmg); | |
df111b53 | 631 | }); |
6bb38cd6 | 632 | |
df111b53 | 633 | g_lua.writeFunction("showACL", []() { |
f758857a | 634 | setLuaNoSideEffect(); |
df111b53 | 635 | vector<string> vec; |
cffde2fd | 636 | |
a9c2e4ab | 637 | g_ACL.getLocal()->toStringVector(&vec); |
cffde2fd | 638 | |
df111b53 | 639 | for(const auto& s : vec) |
cffde2fd | 640 | g_outputBuffer+=s+"\n"; |
641 | ||
df111b53 | 642 | }); |
6bb38cd6 | 643 | |
6ab65223 PL |
644 | g_lua.writeFunction("shutdown", []() { |
645 | #ifdef HAVE_SYSTEMD | |
646 | sd_notify(0, "STOPPING=1"); | |
a227f47d RG |
647 | #endif /* HAVE_SYSTEMD */ |
648 | #if 0 | |
649 | // Useful for debugging leaks, but might lead to race under load | |
650 | // since other threads are still runing. | |
651 | for(auto& frontend : g_tlslocals) { | |
652 | frontend->cleanup(); | |
653 | } | |
654 | g_tlslocals.clear(); | |
655 | #ifdef HAVE_PROTOBUF | |
656 | google::protobuf::ShutdownProtobufLibrary(); | |
657 | #endif /* HAVE_PROTOBUF */ | |
658 | #endif /* 0 */ | |
6ab65223 PL |
659 | _exit(0); |
660 | } ); | |
df111b53 | 661 | |
7f768697 CHB |
662 | typedef std::unordered_map<std::string, boost::variant<bool, std::string> > showserversopts_t; |
663 | ||
664 | g_lua.writeFunction("showServers", [](boost::optional<showserversopts_t> vars) { | |
f758857a | 665 | setLuaNoSideEffect(); |
7f768697 CHB |
666 | bool showUUIDs = false; |
667 | if (vars) { | |
668 | if (vars->count("showUUIDs")) { | |
669 | showUUIDs = boost::get<bool>((*vars)["showUUIDs"]); | |
670 | } | |
df111b53 | 671 | } |
7f768697 CHB |
672 | try { |
673 | ostringstream ret; | |
674 | boost::format fmt; | |
675 | if (showUUIDs) { | |
676 | fmt = boost::format("%1$-3d %15$-36s %2$-20.20s %|62t|%3% %|92t|%4$5s %|88t|%5$7.1f %|103t|%6$7d %|106t|%7$3d %|115t|%8$2d %|117t|%9$10d %|123t|%10$7d %|128t|%11$5.1f %|146t|%12$5.1f %|152t|%13$11d %14%" ); | |
677 | // 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
678 | ret << (fmt % "#" % "Name" % "Address" % "State" % "Qps" % "Qlim" % "Ord" % "Wt" % "Queries" % "Drops" % "Drate" % "Lat" % "Outstanding" % "Pools" % "UUID") << endl; | |
679 | } else { | |
680 | fmt = boost::format("%1$-3d %2$-20.20s %|25t|%3% %|55t|%4$5s %|51t|%5$7.1f %|66t|%6$7d %|69t|%7$3d %|78t|%8$2d %|80t|%9$10d %|86t|%10$7d %|91t|%11$5.1f %|109t|%12$5.1f %|115t|%13$11d %14%" ); | |
681 | ret << (fmt % "#" % "Name" % "Address" % "State" % "Qps" % "Qlim" % "Ord" % "Wt" % "Queries" % "Drops" % "Drate" % "Lat" % "Outstanding" % "Pools") << endl; | |
682 | } | |
df111b53 | 683 | |
7f768697 CHB |
684 | uint64_t totQPS{0}, totQueries{0}, totDrops{0}; |
685 | int counter=0; | |
686 | auto states = g_dstates.getLocal(); | |
687 | for(const auto& s : *states) { | |
688 | string status = s->getStatus(); | |
689 | string pools; | |
690 | for(auto& p : s->pools) { | |
691 | if(!pools.empty()) | |
692 | pools+=" "; | |
693 | pools+=p; | |
694 | } | |
695 | if (showUUIDs) { | |
696 | ret << (fmt % counter % s->name % s->remote.toStringWithPort() % | |
697 | status % | |
698 | s->queryLoad % s->qps.getRate() % s->order % s->weight % s->queries.load() % s->reuseds.load() % (s->dropRate) % (s->latencyUsec/1000.0) % s->outstanding.load() % pools % s->id) << endl; | |
699 | } else { | |
700 | ret << (fmt % counter % s->name % s->remote.toStringWithPort() % | |
701 | status % | |
702 | s->queryLoad % s->qps.getRate() % s->order % s->weight % s->queries.load() % s->reuseds.load() % (s->dropRate) % (s->latencyUsec/1000.0) % s->outstanding.load() % pools) << endl; | |
703 | } | |
704 | totQPS += s->queryLoad; | |
705 | totQueries += s->queries.load(); | |
706 | totDrops += s->reuseds.load(); | |
707 | ++counter; | |
708 | } | |
709 | if (showUUIDs) { | |
710 | ret<< (fmt % "All" % "" % "" % "" | |
711 | % | |
712 | (double)totQPS % "" % "" % "" % totQueries % totDrops % "" % "" % "" % "" % "" ) << endl; | |
713 | } else { | |
714 | ret<< (fmt % "All" % "" % "" % "" | |
715 | % | |
716 | (double)totQPS % "" % "" % "" % totQueries % totDrops % "" % "" % "" % "" ) << endl; | |
717 | } | |
718 | ||
719 | g_outputBuffer=ret.str(); | |
720 | } catch(std::exception& e) { | |
721 | g_outputBuffer=e.what(); | |
722 | throw; | |
723 | } | |
df111b53 | 724 | }); |
725 | ||
6bb38cd6 RG |
726 | g_lua.writeFunction("getServers", []() { |
727 | setLuaNoSideEffect(); | |
728 | vector<pair<int, std::shared_ptr<DownstreamState> > > ret; | |
729 | int count=1; | |
730 | for(const auto& s : g_dstates.getCopy()) { | |
731 | ret.push_back(make_pair(count++, s)); | |
732 | } | |
733 | return ret; | |
8499caaf | 734 | }); |
e27097e4 | 735 | |
6bb38cd6 RG |
736 | g_lua.writeFunction("getPoolServers", [](string pool) { |
737 | return getDownstreamCandidates(g_pools.getCopy(), pool); | |
b1bec9f0 RG |
738 | }); |
739 | ||
adfdcc4b RG |
740 | g_lua.writeFunction("getServer", [client](boost::variant<unsigned int, std::string> i) { |
741 | if (client) { | |
6bb38cd6 | 742 | return std::make_shared<DownstreamState>(ComboAddress()); |
adfdcc4b RG |
743 | } |
744 | auto states = g_dstates.getCopy(); | |
745 | if (auto str = boost::get<std::string>(&i)) { | |
746 | const auto uuid = getUniqueID(*str); | |
747 | for (auto& state : states) { | |
748 | if (state->id == uuid) { | |
749 | return state; | |
750 | } | |
751 | } | |
752 | } | |
753 | else if (auto pos = boost::get<unsigned int>(&i)) { | |
754 | return states.at(*pos); | |
755 | } | |
756 | ||
757 | g_outputBuffer = "Error: no rule matched\n"; | |
758 | return std::shared_ptr<DownstreamState>(nullptr); | |
731774a8 | 759 | }); |
760 | ||
6bb38cd6 | 761 | g_lua.writeFunction("carbonServer", [](const std::string& address, boost::optional<string> ourName, |
48341d8f | 762 | boost::optional<unsigned int> interval, boost::optional<string> namespace_name, |
f7a645ec RG |
763 | boost::optional<string> instance_name) { |
764 | setLuaSideEffect(); | |
765 | auto ours = g_carbon.getCopy(); | |
766 | ours.push_back({ | |
767 | ComboAddress(address, 2003), | |
768 | (namespace_name && !namespace_name->empty()) ? *namespace_name : "dnsdist", | |
769 | ourName ? *ourName : "", | |
770 | (instance_name && !instance_name->empty()) ? *instance_name : "main" , | |
771 | interval ? *interval : 30 | |
772 | }); | |
773 | g_carbon.setState(ours); | |
774 | }); | |
87c605c4 | 775 | |
203b5348 | 776 | g_lua.writeFunction("webserver", [client,configCheck](const std::string& address, const std::string& password, const boost::optional<std::string> apiKey, const boost::optional<std::map<std::string, std::string> > customHeaders) { |
f758857a | 777 | setLuaSideEffect(); |
59b364f3 RG |
778 | ComboAddress local; |
779 | try { | |
780 | local = ComboAddress(address); | |
781 | } | |
782 | catch (const PDNSException& e) { | |
783 | throw std::runtime_error(std::string("Error parsing the bind address for the webserver: ") + e.reason); | |
784 | } | |
785 | ||
203b5348 | 786 | if (client || configCheck) { |
59b364f3 RG |
787 | return; |
788 | } | |
789 | ||
6bb38cd6 RG |
790 | try { |
791 | int sock = SSocket(local.sin4.sin_family, SOCK_STREAM, 0); | |
792 | SSetsockopt(sock, SOL_SOCKET, SO_REUSEADDR, 1); | |
793 | SBind(sock, local); | |
794 | SListen(sock, 5); | |
795 | auto launch=[sock, local, password, apiKey, customHeaders]() { | |
32c97b56 CHB |
796 | setWebserverPassword(password); |
797 | setWebserverAPIKey(apiKey); | |
798 | setWebserverCustomHeaders(customHeaders); | |
80dbd7d2 | 799 | thread t(dnsdistWebserverThread, sock, local); |
6bb38cd6 RG |
800 | t.detach(); |
801 | }; | |
802 | if(g_launchWork) | |
803 | g_launchWork->push_back(launch); | |
804 | else | |
805 | launch(); | |
731774a8 | 806 | } |
807 | catch(std::exception& e) { | |
6bb38cd6 RG |
808 | g_outputBuffer="Unable to bind to webserver socket on " + local.toStringWithPort() + ": " + e.what(); |
809 | errlog("Unable to bind to webserver socket on %s: %s", local.toStringWithPort(), e.what()); | |
731774a8 | 810 | } |
731774a8 | 811 | |
812 | }); | |
813 | ||
32c97b56 CHB |
814 | typedef std::unordered_map<std::string, boost::variant<std::string, std::map<std::string, std::string>> > webserveropts_t; |
815 | ||
816 | g_lua.writeFunction("setWebserverConfig", [](boost::optional<webserveropts_t> vars) { | |
80dbd7d2 | 817 | setLuaSideEffect(); |
32c97b56 CHB |
818 | |
819 | if (!vars) { | |
820 | return ; | |
821 | } | |
822 | if(vars->count("password")) { | |
823 | const std::string password = boost::get<std::string>(vars->at("password")); | |
824 | ||
825 | setWebserverPassword(password); | |
826 | } | |
827 | if(vars->count("apiKey")) { | |
32c97b56 CHB |
828 | const std::string apiKey = boost::get<std::string>(vars->at("apiKey")); |
829 | ||
830 | setWebserverAPIKey(apiKey); | |
831 | } | |
832 | if(vars->count("customHeaders")) { | |
833 | const boost::optional<std::map<std::string, std::string> > headers = boost::get<std::map<std::string, std::string> >(vars->at("customHeaders")); | |
834 | ||
835 | setWebserverCustomHeaders(headers); | |
836 | } | |
80dbd7d2 CHB |
837 | }); |
838 | ||
203b5348 | 839 | g_lua.writeFunction("controlSocket", [client,configCheck](const std::string& str) { |
87c605c4 | 840 | setLuaSideEffect(); |
6bb38cd6 | 841 | ComboAddress local(str, 5199); |
832c1792 | 842 | |
203b5348 | 843 | if(client || configCheck) { |
6bb38cd6 | 844 | g_serverControl = local; |
87c605c4 RG |
845 | return; |
846 | } | |
731774a8 | 847 | |
9c9b4998 RG |
848 | g_consoleEnabled = true; |
849 | #ifdef HAVE_LIBSODIUM | |
850 | if (g_configurationDone && g_consoleKey.empty()) { | |
851 | warnlog("Warning, the console has been enabled via 'controlSocket()' but no key has been set with 'setKey()' so all connections will fail until a key has been set"); | |
852 | } | |
853 | #endif | |
854 | ||
6bb38cd6 RG |
855 | try { |
856 | int sock = SSocket(local.sin4.sin_family, SOCK_STREAM, 0); | |
857 | SSetsockopt(sock, SOL_SOCKET, SO_REUSEADDR, 1); | |
858 | SBind(sock, local); | |
859 | SListen(sock, 5); | |
860 | auto launch=[sock, local]() { | |
861 | thread t(controlThread, sock, local); | |
862 | t.detach(); | |
863 | }; | |
864 | if(g_launchWork) | |
865 | g_launchWork->push_back(launch); | |
866 | else | |
867 | launch(); | |
ae3dfa48 | 868 | |
6bb38cd6 RG |
869 | } |
870 | catch(std::exception& e) { | |
871 | g_outputBuffer="Unable to bind to control socket on " + local.toStringWithPort() + ": " + e.what(); | |
872 | errlog("Unable to bind to control socket on %s: %s", local.toStringWithPort(), e.what()); | |
873 | } | |
63beb26d G |
874 | }); |
875 | ||
b5521206 RG |
876 | g_lua.writeFunction("addConsoleACL", [](const std::string& netmask) { |
877 | setLuaSideEffect(); | |
878 | #ifndef HAVE_LIBSODIUM | |
879 | warnlog("Allowing remote access to the console while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
880 | #endif | |
881 | ||
882 | g_consoleACL.modify([netmask](NetmaskGroup& nmg) { nmg.addMask(netmask); }); | |
883 | }); | |
884 | ||
885 | g_lua.writeFunction("setConsoleACL", [](boost::variant<string,vector<pair<int, string>>> inp) { | |
886 | setLuaSideEffect(); | |
887 | ||
888 | #ifndef HAVE_LIBSODIUM | |
889 | warnlog("Allowing remote access to the console while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
890 | #endif | |
891 | ||
892 | NetmaskGroup nmg; | |
893 | if(auto str = boost::get<string>(&inp)) { | |
894 | nmg.addMask(*str); | |
895 | } | |
896 | else for(const auto& p : boost::get<vector<pair<int,string>>>(inp)) { | |
897 | nmg.addMask(p.second); | |
898 | } | |
899 | g_consoleACL.setState(nmg); | |
900 | }); | |
901 | ||
902 | g_lua.writeFunction("showConsoleACL", []() { | |
903 | setLuaNoSideEffect(); | |
904 | ||
905 | #ifndef HAVE_LIBSODIUM | |
906 | warnlog("Allowing remote access to the console while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
907 | #endif | |
908 | ||
909 | vector<string> vec; | |
910 | g_consoleACL.getLocal()->toStringVector(&vec); | |
911 | ||
912 | for(const auto& s : vec) { | |
913 | g_outputBuffer += s + "\n"; | |
914 | } | |
915 | }); | |
916 | ||
6bb38cd6 RG |
917 | g_lua.writeFunction("clearQueryCounters", []() { |
918 | unsigned int size{0}; | |
919 | { | |
920 | WriteLock wl(&g_qcount.queryLock); | |
921 | size = g_qcount.records.size(); | |
922 | g_qcount.records.clear(); | |
923 | } | |
6eecd4c2 | 924 | |
6bb38cd6 RG |
925 | boost::format fmt("%d records cleared from query counter buffer\n"); |
926 | g_outputBuffer = (fmt % size).str(); | |
2332b03c | 927 | }); |
928 | ||
6bb38cd6 RG |
929 | g_lua.writeFunction("getQueryCounters", [](boost::optional<unsigned int> optMax) { |
930 | setLuaNoSideEffect(); | |
931 | ReadLock rl(&g_qcount.queryLock); | |
932 | g_outputBuffer = "query counting is currently: "; | |
933 | g_outputBuffer+= g_qcount.enabled ? "enabled" : "disabled"; | |
934 | g_outputBuffer+= (boost::format(" (%d records in buffer)\n") % g_qcount.records.size()).str(); | |
f39b7598 | 935 | |
6bb38cd6 RG |
936 | boost::format fmt("%-3d %s: %d request(s)\n"); |
937 | QueryCountRecords::iterator it; | |
938 | unsigned int max = optMax ? *optMax : 10; | |
939 | unsigned int index{1}; | |
940 | for(it = g_qcount.records.begin(); it != g_qcount.records.end() && index <= max; ++it, ++index) { | |
941 | g_outputBuffer += (fmt % index % it->first % it->second).str(); | |
942 | } | |
808c5ef7 | 943 | }); |
944 | ||
6bb38cd6 | 945 | g_lua.writeFunction("setQueryCount", [](bool enabled) { g_qcount.enabled=enabled; }); |
ae3dfa48 | 946 | |
6bb38cd6 RG |
947 | g_lua.writeFunction("setQueryCountFilter", [](QueryCountFilter func) { |
948 | g_qcount.filter = func; | |
886e2cf2 RG |
949 | }); |
950 | ||
6bb38cd6 RG |
951 | g_lua.writeFunction("makeKey", []() { |
952 | setLuaNoSideEffect(); | |
953 | g_outputBuffer="setKey("+newKey()+")\n"; | |
6bba426c | 954 | }); |
955 | ||
6bb38cd6 | 956 | g_lua.writeFunction("setKey", [](const std::string& key) { |
b5521206 | 957 | if(!g_configurationDone && ! g_consoleKey.empty()) { // this makes sure the commandline -k key prevails over dnsdist.conf |
6bb38cd6 RG |
958 | return; // but later setKeys() trump the -k value again |
959 | } | |
b5521206 RG |
960 | #ifndef HAVE_LIBSODIUM |
961 | warnlog("Calling setKey() while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
962 | #endif | |
6bba426c | 963 | |
6bb38cd6 RG |
964 | setLuaSideEffect(); |
965 | string newkey; | |
966 | if(B64Decode(key, newkey) < 0) { | |
967 | g_outputBuffer=string("Unable to decode ")+key+" as Base64"; | |
968 | errlog("%s", g_outputBuffer); | |
969 | } | |
2332b03c | 970 | else |
b5521206 | 971 | g_consoleKey=newkey; |
2332b03c | 972 | }); |
973 | ||
6bb38cd6 RG |
974 | g_lua.writeFunction("testCrypto", [](boost::optional<string> optTestMsg) |
975 | { | |
976 | setLuaNoSideEffect(); | |
977 | #ifdef HAVE_LIBSODIUM | |
978 | try { | |
979 | string testmsg; | |
2332b03c | 980 | |
6bb38cd6 RG |
981 | if (optTestMsg) { |
982 | testmsg = *optTestMsg; | |
983 | } | |
984 | else { | |
985 | testmsg = "testStringForCryptoTests"; | |
986 | } | |
6eecd4c2 | 987 | |
6bb38cd6 RG |
988 | SodiumNonce sn, sn2; |
989 | sn.init(); | |
990 | sn2=sn; | |
b5521206 RG |
991 | string encrypted = sodEncryptSym(testmsg, g_consoleKey, sn); |
992 | string decrypted = sodDecryptSym(encrypted, g_consoleKey, sn2); | |
4ed8dfeb | 993 | |
6bb38cd6 RG |
994 | sn.increment(); |
995 | sn2.increment(); | |
b7860997 | 996 | |
b5521206 RG |
997 | encrypted = sodEncryptSym(testmsg, g_consoleKey, sn); |
998 | decrypted = sodDecryptSym(encrypted, g_consoleKey, sn2); | |
36da3ecd | 999 | |
6bb38cd6 RG |
1000 | if(testmsg == decrypted) |
1001 | g_outputBuffer="Everything is ok!\n"; | |
1002 | else | |
c29bf3df RG |
1003 | g_outputBuffer="Crypto failed.. (the decoded value does not match the cleartext one)\n"; |
1004 | } | |
1005 | catch(const std::exception& e) { | |
1006 | g_outputBuffer="Crypto failed: "+std::string(e.what())+"\n"; | |
6bb38cd6 RG |
1007 | } |
1008 | catch(...) { | |
1009 | g_outputBuffer="Crypto failed..\n"; | |
1010 | } | |
1011 | #else | |
1012 | g_outputBuffer="Crypto not available.\n"; | |
1013 | #endif | |
1014 | }); | |
b7860997 | 1015 | |
6bb38cd6 | 1016 | g_lua.writeFunction("setTCPRecvTimeout", [](int timeout) { g_tcpRecvTimeout=timeout; }); |
89cb6f9a | 1017 | |
6bb38cd6 | 1018 | g_lua.writeFunction("setTCPSendTimeout", [](int timeout) { g_tcpSendTimeout=timeout; }); |
89cb6f9a | 1019 | |
6bb38cd6 | 1020 | g_lua.writeFunction("setUDPTimeout", [](int timeout) { g_udpTimeout=timeout; }); |
d3826006 | 1021 | |
6bb38cd6 RG |
1022 | g_lua.writeFunction("setMaxUDPOutstanding", [](uint16_t max) { |
1023 | if (!g_configurationDone) { | |
1024 | g_maxOutstanding = max; | |
1025 | } else { | |
1026 | g_outputBuffer="Max UDP outstanding cannot be altered at runtime!\n"; | |
b7860997 | 1027 | } |
55baa1f2 RG |
1028 | }); |
1029 | ||
6bb38cd6 RG |
1030 | g_lua.writeFunction("setMaxTCPClientThreads", [](uint64_t max) { |
1031 | if (!g_configurationDone) { | |
1032 | g_maxTCPClientThreads = max; | |
1033 | } else { | |
1034 | g_outputBuffer="Maximum TCP client threads count cannot be altered at runtime!\n"; | |
1035 | } | |
55baa1f2 RG |
1036 | }); |
1037 | ||
6bb38cd6 RG |
1038 | g_lua.writeFunction("setMaxTCPQueuedConnections", [](uint64_t max) { |
1039 | if (!g_configurationDone) { | |
1040 | g_maxTCPQueuedConnections = max; | |
1041 | } else { | |
1042 | g_outputBuffer="The maximum number of queued TCP connections cannot be altered at runtime!\n"; | |
1043 | } | |
55baa1f2 RG |
1044 | }); |
1045 | ||
6bb38cd6 RG |
1046 | g_lua.writeFunction("setMaxTCPQueriesPerConnection", [](size_t max) { |
1047 | if (!g_configurationDone) { | |
1048 | g_maxTCPQueriesPerConn = max; | |
1049 | } else { | |
1050 | g_outputBuffer="The maximum number of queries per TCP connection cannot be altered at runtime!\n"; | |
1051 | } | |
57c61ce9 RG |
1052 | }); |
1053 | ||
6bb38cd6 RG |
1054 | g_lua.writeFunction("setMaxTCPConnectionsPerClient", [](size_t max) { |
1055 | if (!g_configurationDone) { | |
1056 | g_maxTCPConnectionsPerClient = max; | |
1057 | } else { | |
1058 | g_outputBuffer="The maximum number of TCP connection per client cannot be altered at runtime!\n"; | |
1059 | } | |
57c61ce9 RG |
1060 | }); |
1061 | ||
6bb38cd6 RG |
1062 | g_lua.writeFunction("setMaxTCPConnectionDuration", [](size_t max) { |
1063 | if (!g_configurationDone) { | |
1064 | g_maxTCPConnectionDuration = max; | |
1065 | } else { | |
1066 | g_outputBuffer="The maximum duration of a TCP connection cannot be altered at runtime!\n"; | |
1067 | } | |
788c3243 RG |
1068 | }); |
1069 | ||
6bb38cd6 | 1070 | g_lua.writeFunction("setCacheCleaningDelay", [](uint32_t delay) { g_cacheCleaningDelay = delay; }); |
0570f37c | 1071 | |
6bb38cd6 | 1072 | g_lua.writeFunction("setCacheCleaningPercentage", [](uint16_t percentage) { if (percentage < 100) g_cacheCleaningPercentage = percentage; else g_cacheCleaningPercentage = 100; }); |
0570f37c | 1073 | |
6bb38cd6 | 1074 | g_lua.writeFunction("setECSSourcePrefixV4", [](uint16_t prefix) { g_ECSSourcePrefixV4=prefix; }); |
f39b7598 | 1075 | |
6bb38cd6 | 1076 | g_lua.writeFunction("setECSSourcePrefixV6", [](uint16_t prefix) { g_ECSSourcePrefixV6=prefix; }); |
0570f37c | 1077 | |
6bb38cd6 | 1078 | g_lua.writeFunction("setECSOverride", [](bool override) { g_ECSOverride=override; }); |
df111b53 | 1079 | |
53c57da7 RG |
1080 | g_lua.writeFunction("setPreserveTrailingData", [](bool preserve) { g_preserveTrailingData = preserve; }); |
1081 | ||
6bb38cd6 RG |
1082 | g_lua.writeFunction("showDynBlocks", []() { |
1083 | setLuaNoSideEffect(); | |
1084 | auto slow = g_dynblockNMG.getCopy(); | |
1085 | struct timespec now; | |
1086 | gettime(&now); | |
1d3ba133 RG |
1087 | boost::format fmt("%-24s %8d %8d %-10s %-20s %s\n"); |
1088 | g_outputBuffer = (fmt % "What" % "Seconds" % "Blocks" % "Warning" % "Action" % "Reason").str(); | |
6bb38cd6 | 1089 | for(const auto& e: slow) { |
7c888097 SB |
1090 | if(now < e.second.until) |
1091 | g_outputBuffer+= (fmt % e.first.toString() % (e.second.until.tv_sec - now.tv_sec) % e.second.blocks % (e.second.warning ? "true" : "false") % DNSAction::typeToString(e.second.action != DNSAction::Action::None ? e.second.action : g_dynBlockAction) % e.second.reason).str(); | |
6bb38cd6 RG |
1092 | } |
1093 | auto slow2 = g_dynblockSMT.getCopy(); | |
1094 | slow2.visit([&now, &fmt](const SuffixMatchTree<DynBlock>& node) { | |
1095 | if(now <node.d_value.until) { | |
1096 | string dom("empty"); | |
1097 | if(!node.d_value.domain.empty()) | |
1098 | dom = node.d_value.domain.toString(); | |
1d3ba133 | 1099 | g_outputBuffer+= (fmt % dom % (node.d_value.until.tv_sec - now.tv_sec) % node.d_value.blocks % (node.d_value.warning ? "true" : "false") % DNSAction::typeToString(node.d_value.action != DNSAction::Action::None ? node.d_value.action : g_dynBlockAction) % node.d_value.reason).str(); |
6bb38cd6 RG |
1100 | } |
1101 | }); | |
832c1792 | 1102 | |
520eb5a0 | 1103 | }); |
df111b53 | 1104 | |
6bb38cd6 | 1105 | g_lua.writeFunction("clearDynBlocks", []() { |
f758857a | 1106 | setLuaSideEffect(); |
6bb38cd6 RG |
1107 | nmts_t nmg; |
1108 | g_dynblockNMG.setState(nmg); | |
1109 | SuffixMatchTree<DynBlock> smt; | |
1110 | g_dynblockSMT.setState(smt); | |
1111 | }); | |
1112 | ||
1113 | g_lua.writeFunction("addDynBlocks", | |
f8327125 | 1114 | [](const std::unordered_map<ComboAddress,unsigned int, ComboAddress::addressOnlyHash, ComboAddress::addressOnlyEqual>& m, const std::string& msg, boost::optional<int> seconds, boost::optional<DNSAction::Action> action) { |
6ddb008a RG |
1115 | if (m.empty()) { |
1116 | return; | |
1117 | } | |
6bb38cd6 RG |
1118 | setLuaSideEffect(); |
1119 | auto slow = g_dynblockNMG.getCopy(); | |
1120 | struct timespec until, now; | |
1121 | gettime(&now); | |
1122 | until=now; | |
1123 | int actualSeconds = seconds ? *seconds : 10; | |
1124 | until.tv_sec += actualSeconds; | |
1125 | for(const auto& capair : m) { | |
1126 | unsigned int count = 0; | |
1127 | auto got = slow.lookup(Netmask(capair.first)); | |
1128 | bool expired=false; | |
1129 | if(got) { | |
1130 | if(until < got->second.until) // had a longer policy | |
1131 | continue; | |
1132 | if(now < got->second.until) // only inherit count on fresh query we are extending | |
1133 | count=got->second.blocks; | |
1134 | else | |
1135 | expired=true; | |
1136 | } | |
1137 | DynBlock db{msg,until,DNSName(),(action ? *action : DNSAction::Action::None)}; | |
1138 | db.blocks=count; | |
1139 | if(!got || expired) | |
1140 | warnlog("Inserting dynamic block for %s for %d seconds: %s", capair.first.toString(), actualSeconds, msg); | |
1141 | slow.insert(Netmask(capair.first)).second=db; | |
1142 | } | |
1143 | g_dynblockNMG.setState(slow); | |
1144 | }); | |
1145 | ||
1146 | g_lua.writeFunction("addDynBlockSMT", | |
1147 | [](const vector<pair<unsigned int, string> >&names, const std::string& msg, boost::optional<int> seconds, boost::optional<DNSAction::Action> action) { | |
6ddb008a RG |
1148 | if (names.empty()) { |
1149 | return; | |
1150 | } | |
6bb38cd6 RG |
1151 | setLuaSideEffect(); |
1152 | auto slow = g_dynblockSMT.getCopy(); | |
1153 | struct timespec until, now; | |
1154 | gettime(&now); | |
1155 | until=now; | |
1156 | int actualSeconds = seconds ? *seconds : 10; | |
1157 | until.tv_sec += actualSeconds; | |
1158 | ||
1159 | for(const auto& capair : names) { | |
1160 | unsigned int count = 0; | |
1161 | DNSName domain(capair.second); | |
86df840d | 1162 | domain.makeUsLowerCase(); |
6bb38cd6 RG |
1163 | auto got = slow.lookup(domain); |
1164 | bool expired=false; | |
1165 | if(got) { | |
1166 | if(until < got->until) // had a longer policy | |
1167 | continue; | |
1168 | if(now < got->until) // only inherit count on fresh query we are extending | |
1169 | count=got->blocks; | |
1170 | else | |
1171 | expired=true; | |
1172 | } | |
1173 | ||
1174 | DynBlock db{msg,until,domain,(action ? *action : DNSAction::Action::None)}; | |
1175 | db.blocks=count; | |
1176 | if(!got || expired) | |
1177 | warnlog("Inserting dynamic block for %s for %d seconds: %s", domain, actualSeconds, msg); | |
1178 | slow.add(domain, db); | |
1179 | } | |
1180 | g_dynblockSMT.setState(slow); | |
1181 | }); | |
1182 | ||
1183 | g_lua.writeFunction("setDynBlocksAction", [](DNSAction::Action action) { | |
1184 | if (!g_configurationDone) { | |
3d60b39a | 1185 | if (action == DNSAction::Action::Drop || action == DNSAction::Action::NoOp || action == DNSAction::Action::Nxdomain || action == DNSAction::Action::Refused || action == DNSAction::Action::Truncate || action == DNSAction::Action::NoRecurse) { |
6bb38cd6 RG |
1186 | g_dynBlockAction = action; |
1187 | } | |
1188 | else { | |
3d60b39a | 1189 | errlog("Dynamic blocks action can only be Drop, NoOp, NXDomain, Refused, Truncate or NoRecurse!"); |
1190 | g_outputBuffer="Dynamic blocks action can only be Drop, NoOp, NXDomain, Refused, Truncate or NoRecurse!\n"; | |
6bb38cd6 RG |
1191 | } |
1192 | } else { | |
1193 | g_outputBuffer="Dynamic blocks action cannot be altered at runtime!\n"; | |
1194 | } | |
df111b53 | 1195 | }); |
832c1792 | 1196 | |
37b6d73d | 1197 | g_lua.writeFunction("addDNSCryptBind", [](const std::string& addr, const std::string& providerName, boost::variant<std::string, std::vector<std::pair<int, std::string>>> certFiles, boost::variant<std::string, std::vector<std::pair<int, std::string>>> keyFiles, boost::optional<localbind_t> vars) { |
6bb38cd6 RG |
1198 | if (g_configurationDone) { |
1199 | g_outputBuffer="addDNSCryptBind cannot be used at runtime!\n"; | |
1200 | return; | |
1201 | } | |
1202 | #ifdef HAVE_DNSCRYPT | |
6bb38cd6 RG |
1203 | bool reusePort = false; |
1204 | int tcpFastOpenQueueSize = 0; | |
1205 | std::string interface; | |
1206 | std::set<int> cpus; | |
37b6d73d | 1207 | std::vector<DNSCryptContext::CertKeyPaths> certKeys; |
df111b53 | 1208 | |
0230e350 | 1209 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
df111b53 | 1210 | |
37b6d73d RG |
1211 | if (certFiles.type() == typeid(std::string) && keyFiles.type() == typeid(std::string)) { |
1212 | auto certFile = boost::get<std::string>(certFiles); | |
1213 | auto keyFile = boost::get<std::string>(keyFiles); | |
1214 | certKeys.push_back({certFile, keyFile}); | |
1215 | } | |
1216 | else if (certFiles.type() == typeid(std::vector<std::pair<int,std::string>>) && keyFiles.type() == typeid(std::vector<std::pair<int,std::string>>)) { | |
1217 | auto certFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(certFiles); | |
1218 | auto keyFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(keyFiles); | |
1219 | if (certFilesVect.size() == keyFilesVect.size()) { | |
1220 | for (size_t idx = 0; idx < certFilesVect.size(); idx++) { | |
1221 | certKeys.push_back({certFilesVect.at(idx).second, keyFilesVect.at(idx).second}); | |
1222 | } | |
1223 | } | |
1224 | else { | |
1225 | errlog("Error, mismatching number of certificates and keys in call to addDNSCryptBind!"); | |
1226 | g_outputBuffer="Error, mismatching number of certificates and keys in call to addDNSCryptBind()!"; | |
1227 | return; | |
1228 | } | |
1229 | } | |
1230 | else { | |
1231 | errlog("Error, mismatching number of certificates and keys in call to addDNSCryptBind()!"); | |
1232 | g_outputBuffer="Error, mismatching number of certificates and keys in call to addDNSCryptBind()!"; | |
1233 | return; | |
1234 | } | |
1235 | ||
6bb38cd6 | 1236 | try { |
37b6d73d | 1237 | auto ctx = std::make_shared<DNSCryptContext>(providerName, certKeys); |
6e9fd124 RG |
1238 | |
1239 | /* UDP */ | |
1240 | auto cs = std::unique_ptr<ClientState>(new ClientState(ComboAddress(addr, 443), false, reusePort, tcpFastOpenQueueSize, interface, cpus)); | |
1241 | cs->dnscryptCtx = ctx; | |
1242 | g_dnsCryptLocals.push_back(ctx); | |
1243 | g_frontends.push_back(std::move(cs)); | |
1244 | ||
1245 | /* TCP */ | |
1246 | cs = std::unique_ptr<ClientState>(new ClientState(ComboAddress(addr, 443), true, reusePort, tcpFastOpenQueueSize, interface, cpus)); | |
1247 | cs->dnscryptCtx = ctx; | |
1248 | g_frontends.push_back(std::move(cs)); | |
df111b53 | 1249 | } |
6bb38cd6 RG |
1250 | catch(std::exception& e) { |
1251 | errlog(e.what()); | |
1252 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
1253 | } | |
1254 | #else | |
1255 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1256 | #endif | |
4d5959e6 | 1257 | |
df111b53 | 1258 | }); |
1259 | ||
6bb38cd6 | 1260 | g_lua.writeFunction("showDNSCryptBinds", []() { |
f758857a | 1261 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1262 | #ifdef HAVE_DNSCRYPT |
1263 | ostringstream ret; | |
43234e76 RG |
1264 | boost::format fmt("%1$-3d %2% %|25t|%3$-20.20s"); |
1265 | ret << (fmt % "#" % "Address" % "Provider Name") << endl; | |
6bb38cd6 RG |
1266 | size_t idx = 0; |
1267 | ||
26438bc9 | 1268 | std::unordered_set<std::shared_ptr<DNSCryptContext>> contexts; |
6e9fd124 RG |
1269 | for (const auto& frontend : g_frontends) { |
1270 | const std::shared_ptr<DNSCryptContext> ctx = frontend->dnscryptCtx; | |
26438bc9 | 1271 | if (!ctx || contexts.count(ctx) != 0) { |
a6544e62 RG |
1272 | continue; |
1273 | } | |
26438bc9 | 1274 | contexts.insert(ctx); |
6e9fd124 | 1275 | ret<< (fmt % idx % frontend->local.toStringWithPort() % ctx->getProviderName()) << endl; |
6bb38cd6 | 1276 | idx++; |
df111b53 | 1277 | } |
df111b53 | 1278 | |
6bb38cd6 RG |
1279 | g_outputBuffer=ret.str(); |
1280 | #else | |
1281 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1282 | #endif | |
886e2cf2 | 1283 | }); |
df111b53 | 1284 | |
43234e76 | 1285 | g_lua.writeFunction("getDNSCryptBind", [](size_t idx) { |
6bb38cd6 RG |
1286 | setLuaNoSideEffect(); |
1287 | #ifdef HAVE_DNSCRYPT | |
43234e76 | 1288 | std::shared_ptr<DNSCryptContext> ret = nullptr; |
6bb38cd6 | 1289 | if (idx < g_dnsCryptLocals.size()) { |
6e9fd124 | 1290 | ret = g_dnsCryptLocals.at(idx); |
d92708ed | 1291 | } |
6bb38cd6 RG |
1292 | return ret; |
1293 | #else | |
1294 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1295 | #endif | |
d92708ed RG |
1296 | }); |
1297 | ||
203b5348 | 1298 | g_lua.writeFunction("generateDNSCryptProviderKeys", [client](const std::string& publicKeyFile, const std::string privateKeyFile) { |
6bb38cd6 RG |
1299 | setLuaNoSideEffect(); |
1300 | #ifdef HAVE_DNSCRYPT | |
203b5348 RG |
1301 | if (client) { |
1302 | return; | |
1303 | } | |
6bb38cd6 RG |
1304 | unsigned char publicKey[DNSCRYPT_PROVIDER_PUBLIC_KEY_SIZE]; |
1305 | unsigned char privateKey[DNSCRYPT_PROVIDER_PRIVATE_KEY_SIZE]; | |
1306 | sodium_mlock(privateKey, sizeof(privateKey)); | |
4c6f4321 | 1307 | |
6bb38cd6 | 1308 | try { |
43234e76 | 1309 | DNSCryptContext::generateProviderKeys(publicKey, privateKey); |
4c6f4321 | 1310 | |
6bb38cd6 RG |
1311 | ofstream pubKStream(publicKeyFile); |
1312 | pubKStream.write((char*) publicKey, sizeof(publicKey)); | |
1313 | pubKStream.close(); | |
df111b53 | 1314 | |
6bb38cd6 RG |
1315 | ofstream privKStream(privateKeyFile); |
1316 | privKStream.write((char*) privateKey, sizeof(privateKey)); | |
1317 | privKStream.close(); | |
df111b53 | 1318 | |
43234e76 | 1319 | g_outputBuffer="Provider fingerprint is: " + DNSCryptContext::getProviderFingerprint(publicKey) + "\n"; |
6bb38cd6 RG |
1320 | } |
1321 | catch(std::exception& e) { | |
1322 | errlog(e.what()); | |
1323 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
1324 | } | |
df111b53 | 1325 | |
6bb38cd6 RG |
1326 | sodium_memzero(privateKey, sizeof(privateKey)); |
1327 | sodium_munlock(privateKey, sizeof(privateKey)); | |
1328 | #else | |
1329 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1330 | #endif | |
aeb36780 RG |
1331 | }); |
1332 | ||
6bb38cd6 RG |
1333 | g_lua.writeFunction("printDNSCryptProviderFingerprint", [](const std::string& publicKeyFile) { |
1334 | setLuaNoSideEffect(); | |
1335 | #ifdef HAVE_DNSCRYPT | |
1336 | unsigned char publicKey[DNSCRYPT_PROVIDER_PUBLIC_KEY_SIZE]; | |
aeb36780 | 1337 | |
6bb38cd6 RG |
1338 | try { |
1339 | ifstream file(publicKeyFile); | |
1340 | file.read((char *) &publicKey, sizeof(publicKey)); | |
df111b53 | 1341 | |
6bb38cd6 RG |
1342 | if (file.fail()) |
1343 | throw std::runtime_error("Invalid dnscrypt provider public key file " + publicKeyFile); | |
df111b53 | 1344 | |
6bb38cd6 | 1345 | file.close(); |
43234e76 | 1346 | g_outputBuffer="Provider fingerprint is: " + DNSCryptContext::getProviderFingerprint(publicKey) + "\n"; |
6bb38cd6 RG |
1347 | } |
1348 | catch(std::exception& e) { | |
1349 | errlog(e.what()); | |
1350 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
1351 | } | |
1352 | #else | |
1353 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1354 | #endif | |
df111b53 | 1355 | }); |
1356 | ||
501983cd | 1357 | #ifdef HAVE_DNSCRYPT |
203b5348 | 1358 | g_lua.writeFunction("generateDNSCryptCertificate", [client](const std::string& providerPrivateKeyFile, const std::string& certificateFile, const std::string privateKeyFile, uint32_t serial, time_t begin, time_t end, boost::optional<DNSCryptExchangeVersion> version) { |
6bb38cd6 | 1359 | setLuaNoSideEffect(); |
203b5348 RG |
1360 | if (client) { |
1361 | return; | |
1362 | } | |
43234e76 RG |
1363 | DNSCryptPrivateKey privateKey; |
1364 | DNSCryptCert cert; | |
42fae326 | 1365 | |
50bed881 | 1366 | try { |
43234e76 | 1367 | if (generateDNSCryptCertificate(providerPrivateKeyFile, serial, begin, end, version ? *version : DNSCryptExchangeVersion::VERSION1, cert, privateKey)) { |
6bb38cd6 | 1368 | privateKey.saveToFile(privateKeyFile); |
43234e76 | 1369 | DNSCryptContext::saveCertFromFile(cert, certificateFile); |
6bb38cd6 | 1370 | } |
50bed881 | 1371 | } |
6bb38cd6 RG |
1372 | catch(const std::exception& e) { |
1373 | errlog(e.what()); | |
1374 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
50bed881 | 1375 | } |
50bed881 | 1376 | }); |
501983cd | 1377 | #endif |
df111b53 | 1378 | |
6bb38cd6 RG |
1379 | g_lua.writeFunction("showPools", []() { |
1380 | setLuaNoSideEffect(); | |
df111b53 | 1381 | try { |
6bb38cd6 RG |
1382 | ostringstream ret; |
1383 | boost::format fmt("%1$-20.20s %|25t|%2$20s %|25t|%3$20s %|50t|%4%" ); | |
1384 | // 1 2 3 4 | |
1385 | ret << (fmt % "Name" % "Cache" % "ServerPolicy" % "Servers" ) << endl; | |
1386 | ||
1387 | const auto localPools = g_pools.getCopy(); | |
1388 | for (const auto& entry : localPools) { | |
1389 | const string& name = entry.first; | |
1390 | const std::shared_ptr<ServerPool> pool = entry.second; | |
1391 | string cache = pool->packetCache != nullptr ? pool->packetCache->toString() : ""; | |
1392 | string policy = g_policy.getLocal()->name; | |
1393 | if (pool->policy != nullptr) { | |
1394 | policy = pool->policy->name; | |
1395 | } | |
1396 | string servers; | |
1397 | ||
a1b1a29d | 1398 | for (const auto& server: pool->getServers()) { |
6bb38cd6 RG |
1399 | if (!servers.empty()) { |
1400 | servers += ", "; | |
1401 | } | |
1402 | if (!server.second->name.empty()) { | |
1403 | servers += server.second->name; | |
1404 | servers += " "; | |
1405 | } | |
1406 | servers += server.second->remote.toStringWithPort(); | |
1407 | } | |
1408 | ||
1409 | ret << (fmt % name % cache % policy % servers) << endl; | |
1410 | } | |
1411 | g_outputBuffer=ret.str(); | |
1412 | }catch(std::exception& e) { g_outputBuffer=e.what(); throw; } | |
1413 | }); | |
1414 | ||
1415 | g_lua.writeFunction("getPool", [client](const string& poolName) { | |
1416 | if (client) { | |
1417 | return std::make_shared<ServerPool>(); | |
df111b53 | 1418 | } |
6bb38cd6 RG |
1419 | auto localPools = g_pools.getCopy(); |
1420 | std::shared_ptr<ServerPool> pool = createPoolIfNotExists(localPools, poolName); | |
1421 | g_pools.setState(localPools); | |
1422 | return pool; | |
df111b53 | 1423 | }); |
1424 | ||
6bb38cd6 RG |
1425 | g_lua.writeFunction("setVerboseHealthChecks", [](bool verbose) { g_verboseHealthChecks=verbose; }); |
1426 | g_lua.writeFunction("setStaleCacheEntriesTTL", [](uint32_t ttl) { g_staleCacheEntriesTTL = ttl; }); | |
03ebf8b2 | 1427 | |
6bb38cd6 | 1428 | g_lua.writeFunction("showBinds", []() { |
f758857a | 1429 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1430 | try { |
1431 | ostringstream ret; | |
ba7ec340 | 1432 | boost::format fmt("%1$-3d %2$-20.20s %|35t|%3$-20.20s %|57t|%4%" ); |
6bb38cd6 RG |
1433 | // 1 2 3 4 |
1434 | ret << (fmt % "#" % "Address" % "Protocol" % "Queries" ) << endl; | |
1435 | ||
1436 | size_t counter = 0; | |
1437 | for (const auto& front : g_frontends) { | |
ba7ec340 | 1438 | ret << (fmt % counter % front->local.toStringWithPort() % front->getType() % front->queries) << endl; |
6bb38cd6 | 1439 | counter++; |
0e41337b | 1440 | } |
6bb38cd6 RG |
1441 | g_outputBuffer=ret.str(); |
1442 | }catch(std::exception& e) { g_outputBuffer=e.what(); throw; } | |
0e5b3cff | 1443 | }); |
1444 | ||
6bb38cd6 | 1445 | g_lua.writeFunction("getBind", [](size_t num) { |
f758857a | 1446 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1447 | ClientState* ret = nullptr; |
1448 | if(num < g_frontends.size()) { | |
6e9fd124 | 1449 | ret=g_frontends[num].get(); |
df111b53 | 1450 | } |
df111b53 | 1451 | return ret; |
6bb38cd6 | 1452 | }); |
df111b53 | 1453 | |
6bb38cd6 RG |
1454 | g_lua.writeFunction("help", [](boost::optional<std::string> command) { |
1455 | setLuaNoSideEffect(); | |
1456 | g_outputBuffer = ""; | |
1457 | for (const auto& keyword : g_consoleKeywords) { | |
1458 | if (!command) { | |
1459 | g_outputBuffer += keyword.toString() + "\n"; | |
1460 | } | |
1461 | else if (keyword.name == command) { | |
1462 | g_outputBuffer = keyword.toString() + "\n"; | |
1463 | return; | |
1464 | } | |
1465 | } | |
1466 | if (command) { | |
1467 | g_outputBuffer = "Nothing found for " + *command + "\n"; | |
786e4d8c | 1468 | } |
786e4d8c | 1469 | }); |
520eb5a0 | 1470 | |
6bb38cd6 | 1471 | g_lua.writeFunction("showVersion", []() { |
786e4d8c | 1472 | setLuaNoSideEffect(); |
6bb38cd6 | 1473 | g_outputBuffer = "dnsdist " + std::string(VERSION) + "\n"; |
786e4d8c RS |
1474 | }); |
1475 | ||
eb0ca460 PL |
1476 | g_lua.writeFunction("showSecurityStatus", []() { |
1477 | setLuaNoSideEffect(); | |
1478 | g_outputBuffer = std::to_string(g_stats.securityStatus) + "\n"; | |
1479 | }); | |
1480 | ||
6bb38cd6 RG |
1481 | #ifdef HAVE_EBPF |
1482 | g_lua.writeFunction("setDefaultBPFFilter", [](std::shared_ptr<BPFFilter> bpf) { | |
1483 | if (g_configurationDone) { | |
1484 | g_outputBuffer="setDefaultBPFFilter() cannot be used at runtime!\n"; | |
1485 | return; | |
1486 | } | |
1487 | g_defaultBPFFilter = bpf; | |
786e4d8c | 1488 | }); |
62edea30 | 1489 | |
6bb38cd6 RG |
1490 | g_lua.writeFunction("registerDynBPFFilter", [](std::shared_ptr<DynBPFFilter> dbpf) { |
1491 | if (dbpf) { | |
1492 | g_dynBPFFilters.push_back(dbpf); | |
520eb5a0 | 1493 | } |
520eb5a0 | 1494 | }); |
f5b58807 | 1495 | |
6bb38cd6 RG |
1496 | g_lua.writeFunction("unregisterDynBPFFilter", [](std::shared_ptr<DynBPFFilter> dbpf) { |
1497 | if (dbpf) { | |
1498 | for (auto it = g_dynBPFFilters.begin(); it != g_dynBPFFilters.end(); it++) { | |
1499 | if (*it == dbpf) { | |
1500 | g_dynBPFFilters.erase(it); | |
1501 | break; | |
1502 | } | |
1503 | } | |
1504 | } | |
2d11d1b2 | 1505 | }); |
df111b53 | 1506 | |
b6ba8123 | 1507 | g_lua.writeFunction("addBPFFilterDynBlocks", [](const std::unordered_map<ComboAddress,unsigned int, ComboAddress::addressOnlyHash, ComboAddress::addressOnlyEqual>& m, std::shared_ptr<DynBPFFilter> dynbpf, boost::optional<int> seconds, boost::optional<std::string> msg) { |
6bb38cd6 RG |
1508 | setLuaSideEffect(); |
1509 | struct timespec until, now; | |
1510 | clock_gettime(CLOCK_MONOTONIC, &now); | |
1511 | until=now; | |
1512 | int actualSeconds = seconds ? *seconds : 10; | |
1513 | until.tv_sec += actualSeconds; | |
1514 | for(const auto& capair : m) { | |
4900be3f RG |
1515 | if (dynbpf->block(capair.first, until)) { |
1516 | warnlog("Inserting eBPF dynamic block for %s for %d seconds: %s", capair.first.toString(), actualSeconds, msg ? *msg : ""); | |
1517 | } | |
6bb38cd6 | 1518 | } |
df111b53 | 1519 | }); |
62edea30 | 1520 | |
6bb38cd6 | 1521 | #endif /* HAVE_EBPF */ |
2d11d1b2 | 1522 | |
6bb38cd6 | 1523 | g_lua.writeFunction<std::unordered_map<string,uint64_t>()>("getStatisticsCounters", []() { |
f758857a | 1524 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1525 | std::unordered_map<string,uint64_t> res; |
1526 | for(const auto& entry : g_stats.entries) { | |
1527 | if(const auto& val = boost::get<DNSDistStats::stat_t*>(&entry.second)) | |
1528 | res[entry.first] = (*val)->load(); | |
df111b53 | 1529 | } |
6bb38cd6 RG |
1530 | return res; |
1531 | }); | |
df111b53 | 1532 | |
6bb38cd6 RG |
1533 | g_lua.writeFunction("includeDirectory", [](const std::string& dirname) { |
1534 | if (g_configurationDone) { | |
1535 | errlog("includeDirectory() cannot be used at runtime!"); | |
1536 | g_outputBuffer="includeDirectory() cannot be used at runtime!\n"; | |
1537 | return; | |
df111b53 | 1538 | } |
1539 | ||
6bb38cd6 RG |
1540 | if (g_included) { |
1541 | errlog("includeDirectory() cannot be used recursively!"); | |
1542 | g_outputBuffer="includeDirectory() cannot be used recursively!\n"; | |
e12b3374 RG |
1543 | return; |
1544 | } | |
1545 | ||
6bb38cd6 RG |
1546 | g_included = true; |
1547 | struct stat st; | |
1548 | if (stat(dirname.c_str(), &st)) { | |
1549 | errlog("The included directory %s does not exist!", dirname.c_str()); | |
1550 | g_outputBuffer="The included directory " + dirname + " does not exist!"; | |
1551 | return; | |
df111b53 | 1552 | } |
df111b53 | 1553 | |
6bb38cd6 RG |
1554 | if (!S_ISDIR(st.st_mode)) { |
1555 | errlog("The included directory %s is not a directory!", dirname.c_str()); | |
1556 | g_outputBuffer="The included directory " + dirname + " is not a directory!"; | |
1557 | return; | |
6f6b4d69 | 1558 | } |
1559 | ||
6bb38cd6 RG |
1560 | DIR *dirp; |
1561 | struct dirent *ent; | |
1562 | std::list<std::string> files; | |
1563 | if (!(dirp = opendir(dirname.c_str()))) { | |
1564 | errlog("Error opening the included directory %s!", dirname.c_str()); | |
1565 | g_outputBuffer="Error opening the included directory " + dirname + "!"; | |
1566 | return; | |
6f6b4d69 | 1567 | } |
df111b53 | 1568 | |
6bb38cd6 RG |
1569 | while((ent = readdir(dirp)) != NULL) { |
1570 | if (ent->d_name[0] == '.') { | |
1571 | continue; | |
1572 | } | |
3f6d07a4 | 1573 | |
6bb38cd6 RG |
1574 | if (boost::ends_with(ent->d_name, ".conf")) { |
1575 | std::ostringstream namebuf; | |
1576 | namebuf << dirname.c_str() << "/" << ent->d_name; | |
2a817e5a | 1577 | |
6bb38cd6 RG |
1578 | if (stat(namebuf.str().c_str(), &st) || !S_ISREG(st.st_mode)) { |
1579 | continue; | |
1580 | } | |
e0b5e49d | 1581 | |
6bb38cd6 RG |
1582 | files.push_back(namebuf.str()); |
1583 | } | |
e41f8165 | 1584 | } |
e41f8165 | 1585 | |
6bb38cd6 RG |
1586 | closedir(dirp); |
1587 | files.sort(); | |
1588 | ||
1589 | for (auto file = files.begin(); file != files.end(); ++file) { | |
1590 | std::ifstream ifs(*file); | |
1591 | if (!ifs) { | |
1592 | warnlog("Unable to read configuration from '%s'", *file); | |
1593 | } else { | |
1594 | vinfolog("Read configuration from '%s'", *file); | |
1595 | } | |
26a6373d | 1596 | |
6bb38cd6 | 1597 | g_lua.executeCode(ifs); |
741ebe08 | 1598 | } |
26a6373d | 1599 | |
6bb38cd6 | 1600 | g_included = false; |
26a6373d SO |
1601 | }); |
1602 | ||
6bb38cd6 RG |
1603 | g_lua.writeFunction("setAPIWritable", [](bool writable, boost::optional<std::string> apiConfigDir) { |
1604 | setLuaSideEffect(); | |
1605 | g_apiReadWrite = writable; | |
1606 | if (apiConfigDir) { | |
1607 | if (!(*apiConfigDir).empty()) { | |
1608 | g_apiConfigDirectory = *apiConfigDir; | |
1609 | } | |
1610 | else { | |
1611 | errlog("The API configuration directory value cannot be empty!"); | |
1612 | g_outputBuffer="The API configuration directory value cannot be empty!"; | |
1613 | } | |
741ebe08 | 1614 | } |
5b8255ba | 1615 | }); |
26a6373d | 1616 | |
6bb38cd6 RG |
1617 | g_lua.writeFunction("setServFailWhenNoServer", [](bool servfail) { |
1618 | setLuaSideEffect(); | |
1619 | g_servFailOnNoPolicy = servfail; | |
1620 | }); | |
26a6373d | 1621 | |
32b86928 RG |
1622 | g_lua.writeFunction("setRoundRobinFailOnNoServer", [](bool fail) { |
1623 | setLuaSideEffect(); | |
1624 | g_roundrobinFailOnNoServer = fail; | |
1625 | }); | |
1626 | ||
2b4287d4 RG |
1627 | g_lua.writeFunction("setConsistentHashingBalancingFactor", [](double factor) { |
1628 | setLuaSideEffect(); | |
80ee5144 RG |
1629 | if (factor >= 0) { |
1630 | g_consistentHashBalancingFactor = factor; | |
1631 | } | |
1632 | else { | |
1633 | errlog("Invalid value passed to setConsistentHashingBalancingFactor()!"); | |
1634 | g_outputBuffer="Invalid value passed to setConsistentHashingBalancingFactor()!\n"; | |
1635 | return; | |
1636 | } | |
2b4287d4 RG |
1637 | }); |
1638 | ||
01f6920b | 1639 | g_lua.writeFunction("setRingBuffersSize", [](size_t capacity, boost::optional<size_t> numberOfShards) { |
6bb38cd6 RG |
1640 | setLuaSideEffect(); |
1641 | if (g_configurationDone) { | |
1642 | errlog("setRingBuffersSize() cannot be used at runtime!"); | |
1643 | g_outputBuffer="setRingBuffersSize() cannot be used at runtime!\n"; | |
1644 | return; | |
5b8255ba | 1645 | } |
01f6920b | 1646 | g_rings.setCapacity(capacity, numberOfShards ? *numberOfShards : 1); |
5b8255ba | 1647 | }); |
26a6373d | 1648 | |
6d31c8b6 RG |
1649 | g_lua.writeFunction("setRingBuffersLockRetries", [](size_t retries) { |
1650 | setLuaSideEffect(); | |
1651 | g_rings.setNumberOfLockRetries(retries); | |
5b8255ba | 1652 | }); |
26a6373d | 1653 | |
6bb38cd6 RG |
1654 | g_lua.writeFunction("setWHashedPertubation", [](uint32_t pertub) { |
1655 | setLuaSideEffect(); | |
1656 | g_hashperturb = pertub; | |
1657 | }); | |
26a6373d | 1658 | |
6bb38cd6 RG |
1659 | g_lua.writeFunction("setTCPUseSinglePipe", [](bool flag) { |
1660 | if (g_configurationDone) { | |
1661 | g_outputBuffer="setTCPUseSinglePipe() cannot be used at runtime!\n"; | |
1662 | return; | |
5b8255ba | 1663 | } |
6bb38cd6 RG |
1664 | setLuaSideEffect(); |
1665 | g_useTCPSinglePipe = flag; | |
5b8255ba | 1666 | }); |
26a6373d | 1667 | |
203b5348 RG |
1668 | g_lua.writeFunction("snmpAgent", [client,configCheck](bool enableTraps, boost::optional<std::string> masterSocket) { |
1669 | if(client || configCheck) | |
cd4bb56b | 1670 | return; |
9f4eb5cc | 1671 | #ifdef HAVE_NET_SNMP |
6bb38cd6 RG |
1672 | if (g_configurationDone) { |
1673 | errlog("snmpAgent() cannot be used at runtime!"); | |
1674 | g_outputBuffer="snmpAgent() cannot be used at runtime!\n"; | |
1675 | return; | |
1676 | } | |
1677 | ||
1678 | if (g_snmpEnabled) { | |
1679 | errlog("snmpAgent() cannot be used twice!"); | |
1680 | g_outputBuffer="snmpAgent() cannot be used twice!\n"; | |
1681 | return; | |
9f4eb5cc | 1682 | } |
6bb38cd6 RG |
1683 | |
1684 | g_snmpEnabled = true; | |
1685 | g_snmpTrapsEnabled = enableTraps; | |
1686 | g_snmpAgent = new DNSDistSNMPAgent("dnsdist", masterSocket ? *masterSocket : std::string()); | |
1687 | #else | |
1688 | errlog("NET SNMP support is required to use snmpAgent()"); | |
1689 | g_outputBuffer="NET SNMP support is required to use snmpAgent()\n"; | |
9f4eb5cc RG |
1690 | #endif /* HAVE_NET_SNMP */ |
1691 | }); | |
497a6e3a | 1692 | |
6bb38cd6 | 1693 | g_lua.writeFunction("sendCustomTrap", [](const std::string& str) { |
9f4eb5cc RG |
1694 | #ifdef HAVE_NET_SNMP |
1695 | if (g_snmpAgent && g_snmpTrapsEnabled) { | |
6bb38cd6 | 1696 | g_snmpAgent->sendCustomTrap(str); |
9f4eb5cc RG |
1697 | } |
1698 | #endif /* HAVE_NET_SNMP */ | |
1699 | }); | |
6beb5731 | 1700 | |
6bb38cd6 RG |
1701 | g_lua.writeFunction("setPoolServerPolicy", [](ServerPolicy policy, string pool) { |
1702 | setLuaSideEffect(); | |
1703 | auto localPools = g_pools.getCopy(); | |
1704 | setPoolPolicy(localPools, pool, std::make_shared<ServerPolicy>(policy)); | |
1705 | g_pools.setState(localPools); | |
6c1ca990 | 1706 | }); |
e41f8165 | 1707 | |
6bb38cd6 RG |
1708 | g_lua.writeFunction("setPoolServerPolicyLua", [](string name, policyfunc_t policy, string pool) { |
1709 | setLuaSideEffect(); | |
1710 | auto localPools = g_pools.getCopy(); | |
a1b1a29d | 1711 | setPoolPolicy(localPools, pool, std::make_shared<ServerPolicy>(ServerPolicy{name, policy, true})); |
6bb38cd6 | 1712 | g_pools.setState(localPools); |
9396d955 RG |
1713 | }); |
1714 | ||
6bb38cd6 RG |
1715 | g_lua.writeFunction("showPoolServerPolicy", [](string pool) { |
1716 | setLuaSideEffect(); | |
1717 | auto localPools = g_pools.getCopy(); | |
1718 | auto poolObj = getPool(localPools, pool); | |
1719 | if (poolObj->policy == nullptr) { | |
1720 | g_outputBuffer=g_policy.getLocal()->name+"\n"; | |
9396d955 | 1721 | } else { |
6bb38cd6 | 1722 | g_outputBuffer=poolObj->policy->name+"\n"; |
9396d955 RG |
1723 | } |
1724 | }); | |
1725 | ||
6bb38cd6 RG |
1726 | g_lua.writeFunction("setTCPDownstreamCleanupInterval", [](uint16_t interval) { |
1727 | setLuaSideEffect(); | |
1728 | g_downstreamTCPCleanupInterval = interval; | |
9396d955 RG |
1729 | }); |
1730 | ||
6bb38cd6 RG |
1731 | g_lua.writeFunction("setConsoleConnectionsLogging", [](bool enabled) { |
1732 | g_logConsoleConnections = enabled; | |
e65ae260 RG |
1733 | }); |
1734 | ||
03c05963 CHB |
1735 | g_lua.writeFunction("setConsoleOutputMaxMsgSize", [](uint32_t size) { |
1736 | g_consoleOutputMsgMaxSize = size; | |
1737 | }); | |
1738 | ||
6bb38cd6 RG |
1739 | g_lua.writeFunction("setUDPMultipleMessagesVectorSize", [](size_t vSize) { |
1740 | if (g_configurationDone) { | |
1741 | errlog("setUDPMultipleMessagesVectorSize() cannot be used at runtime!"); | |
1742 | g_outputBuffer="setUDPMultipleMessagesVectorSize() cannot be used at runtime!\n"; | |
1743 | return; | |
2a817e5a | 1744 | } |
6bb38cd6 RG |
1745 | #if defined(HAVE_RECVMMSG) && defined(HAVE_SENDMMSG) && defined(MSG_WAITFORONE) |
1746 | setLuaSideEffect(); | |
1747 | g_udpVectorSize = vSize; | |
1748 | #else | |
1749 | errlog("recvmmsg() support is not available!"); | |
1750 | g_outputBuffer="recvmmsg support is not available!\n"; | |
1751 | #endif | |
1752 | }); | |
a227f47d | 1753 | |
e7c732b8 RG |
1754 | g_lua.writeFunction("setAddEDNSToSelfGeneratedResponses", [](bool add) { |
1755 | g_addEDNSToSelfGeneratedResponses = add; | |
1756 | }); | |
1757 | ||
1758 | g_lua.writeFunction("setPayloadSizeOnSelfGeneratedAnswers", [](uint16_t payloadSize) { | |
1759 | if (payloadSize < 512) { | |
1760 | warnlog("setPayloadSizeOnSelfGeneratedAnswers() is set too low, using 512 instead!"); | |
1761 | g_outputBuffer="setPayloadSizeOnSelfGeneratedAnswers() is set too low, using 512 instead!"; | |
1762 | payloadSize = 512; | |
1763 | } | |
1764 | if (payloadSize > s_udpIncomingBufferSize) { | |
1765 | warnlog("setPayloadSizeOnSelfGeneratedAnswers() is set too high, capping to %d instead!", s_udpIncomingBufferSize); | |
1766 | g_outputBuffer="setPayloadSizeOnSelfGeneratedAnswers() is set too high, capping to " + std::to_string(s_udpIncomingBufferSize) + " instead"; | |
1767 | payloadSize = s_udpIncomingBufferSize; | |
1768 | } | |
1769 | g_PayloadSizeSelfGenAnswers = payloadSize; | |
1770 | }); | |
1771 | ||
5d4e1ef8 RG |
1772 | g_lua.writeFunction("setSecurityPollSuffix", [](const std::string& suffix) { |
1773 | if (g_configurationDone) { | |
1774 | g_outputBuffer="setSecurityPollSuffix() cannot be used at runtime!\n"; | |
1775 | return; | |
1776 | } | |
1777 | ||
1778 | g_secPollSuffix = suffix; | |
1779 | }); | |
1780 | ||
1781 | g_lua.writeFunction("setSecurityPollInterval", [](time_t newInterval) { | |
1782 | if (newInterval <= 0) { | |
1783 | warnlog("setSecurityPollInterval() should be > 0, skipping"); | |
1784 | g_outputBuffer="setSecurityPollInterval() should be > 0, skipping"; | |
1785 | } | |
1786 | ||
1787 | g_secPollInterval = newInterval; | |
1788 | }); | |
1789 | ||
0ca6a67f RG |
1790 | g_lua.writeFunction("setSyslogFacility", [](int facility) { |
1791 | setLuaSideEffect(); | |
1792 | if (g_configurationDone) { | |
1793 | g_outputBuffer="setSyslogFacility cannot be used at runtime!\n"; | |
1794 | return; | |
1795 | } | |
1796 | setSyslogFacility(facility); | |
1797 | }); | |
1798 | ||
44947230 | 1799 | g_lua.writeFunction("addDOHLocal", [client](const std::string& addr, boost::optional<boost::variant<std::string, std::vector<std::pair<int,std::string>>>> certFiles, boost::optional<boost::variant<std::string, std::vector<std::pair<int,std::string>>>> keyFiles, boost::optional<boost::variant<std::string, vector<pair<int, std::string> > > > urls, boost::optional<localbind_t> vars) { |
56d44226 | 1800 | #ifdef HAVE_DNS_OVER_HTTPS |
fbf14b03 RG |
1801 | if (client) { |
1802 | return; | |
1803 | } | |
fbf14b03 RG |
1804 | setLuaSideEffect(); |
1805 | if (g_configurationDone) { | |
1806 | g_outputBuffer="addDOHLocal cannot be used at runtime!\n"; | |
1807 | return; | |
1808 | } | |
1809 | auto frontend = std::make_shared<DOHFrontend>(); | |
bf8cd40d | 1810 | |
44947230 | 1811 | if (certFiles && !certFiles->empty() && keyFiles && !keyFiles->empty()) { |
b54e94dc | 1812 | if (!loadTLSCertificateAndKeys("addDOHLocal", frontend->d_tlsConfig.d_certKeyPairs, *certFiles, *keyFiles)) { |
44947230 RG |
1813 | return; |
1814 | } | |
1815 | ||
1816 | frontend->d_local = ComboAddress(addr, 443); | |
1817 | } | |
1818 | else { | |
1819 | frontend->d_local = ComboAddress(addr, 80); | |
1820 | infolog("No certificate provided for DoH endpoint %s, running in DNS over HTTP mode instead of DNS over HTTPS", frontend->d_local.toStringWithPort()); | |
bf8cd40d RG |
1821 | } |
1822 | ||
0718e562 RG |
1823 | if (urls) { |
1824 | if (urls->type() == typeid(std::string)) { | |
1825 | frontend->d_urls.push_back(boost::get<std::string>(*urls)); | |
1826 | } | |
1827 | else if (urls->type() == typeid(std::vector<std::pair<int,std::string>>)) { | |
1828 | auto urlsVect = boost::get<std::vector<std::pair<int,std::string>>>(*urls); | |
1829 | for(const auto& p : urlsVect) { | |
1830 | frontend->d_urls.push_back(p.second); | |
1831 | } | |
fbf14b03 RG |
1832 | } |
1833 | } | |
1834 | else { | |
1835 | frontend->d_urls = {"/"}; | |
1836 | } | |
1837 | ||
2b0cb8f8 RG |
1838 | bool reusePort = false; |
1839 | int tcpFastOpenQueueSize = 0; | |
1840 | std::string interface; | |
1841 | std::set<int> cpus; | |
2b0cb8f8 | 1842 | |
fbf14b03 | 1843 | if(vars) { |
0230e350 | 1844 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
2b0cb8f8 | 1845 | |
fbf14b03 RG |
1846 | if (vars->count("idleTimeout")) { |
1847 | frontend->d_idleTimeout = boost::get<int>((*vars)["idleTimeout"]); | |
1848 | } | |
b54e94dc | 1849 | |
3d0371b3 RG |
1850 | if (vars->count("serverTokens")) { |
1851 | frontend->d_serverTokens = boost::get<const string>((*vars)["serverTokens"]); | |
1852 | } | |
b54e94dc | 1853 | |
ee01507f CR |
1854 | if (vars->count("customResponseHeaders")) { |
1855 | for (auto const& headerMap : boost::get<std::map<std::string,std::string>>((*vars)["customResponseHeaders"])) { | |
cf3e149b | 1856 | std::pair<std::string,std::string> headerResponse = std::make_pair(boost::to_lower_copy(headerMap.first), headerMap.second); |
ee01507f CR |
1857 | frontend->d_customResponseHeaders.push_back(headerResponse); |
1858 | } | |
1859 | } | |
0ef9ab19 | 1860 | |
0026abf9 RG |
1861 | if (vars->count("sendCacheControlHeaders")) { |
1862 | frontend->d_sendCacheControlHeaders = boost::get<bool>((*vars)["sendCacheControlHeaders"]); | |
1863 | } | |
1864 | ||
b54e94dc | 1865 | parseTLSConfig(frontend->d_tlsConfig, "addDOHLocal", vars); |
fbf14b03 RG |
1866 | } |
1867 | g_dohlocals.push_back(frontend); | |
2b0cb8f8 | 1868 | auto cs = std::unique_ptr<ClientState>(new ClientState(frontend->d_local, true, reusePort, tcpFastOpenQueueSize, interface, cpus)); |
fbf14b03 RG |
1869 | cs->dohFrontend = frontend; |
1870 | g_frontends.push_back(std::move(cs)); | |
1871 | #else | |
56d44226 | 1872 | throw std::runtime_error("addDOHLocal() called but DNS over HTTPS support is not present!"); |
fbf14b03 RG |
1873 | #endif |
1874 | }); | |
1875 | ||
1b51c0f3 RG |
1876 | g_lua.writeFunction("showDOHFrontends", []() { |
1877 | #ifdef HAVE_DNS_OVER_HTTPS | |
1878 | setLuaNoSideEffect(); | |
1879 | try { | |
1880 | ostringstream ret; | |
b608e6c6 RG |
1881 | boost::format fmt("%-3d %-20.20s %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d"); |
1882 | ret << (fmt % "#" % "Address" % "HTTP" % "HTTP/1" % "HTTP/2" % "GET" % "POST" % "Bad" % "Errors" % "Redirects" % "Valid" % "# ticket keys" % "Rotation delay" % "Next rotation") << endl; | |
1b51c0f3 RG |
1883 | size_t counter = 0; |
1884 | for (const auto& ctx : g_dohlocals) { | |
9f32da84 | 1885 | ret << (fmt % counter % ctx->d_local.toStringWithPort() % ctx->d_httpconnects % ctx->d_http1Stats.d_nbQueries % ctx->d_http1Stats.d_nbQueries % ctx->d_getqueries % ctx->d_postqueries % ctx->d_badrequests % ctx->d_errorresponses % ctx->d_redirectresponses % ctx->d_validresponses % ctx->getTicketsKeysCount() % ctx->getTicketsKeyRotationDelay() % ctx->getNextTicketsKeyRotation()) << endl; |
1b51c0f3 RG |
1886 | counter++; |
1887 | } | |
1888 | g_outputBuffer = ret.str(); | |
1889 | } | |
1890 | catch(const std::exception& e) { | |
1891 | g_outputBuffer = e.what(); | |
1892 | throw; | |
1893 | } | |
1894 | #else | |
1895 | g_outputBuffer="DNS over HTTPS support is not present!\n"; | |
1896 | #endif | |
1897 | }); | |
1898 | ||
5bbcbea0 RG |
1899 | g_lua.writeFunction("showDOHResponseCodes", []() { |
1900 | #ifdef HAVE_DNS_OVER_HTTPS | |
1901 | setLuaNoSideEffect(); | |
1902 | try { | |
1903 | ostringstream ret; | |
1904 | boost::format fmt("%-3d %-20.20s %-15d %-15d %-15d %-15d %-15d %-15d"); | |
1905 | g_outputBuffer = "\n- HTTP/1:\n\n"; | |
1906 | ret << (fmt % "#" % "Address" % "200" % "400" % "403" % "500" % "502" % "Others" ) << endl; | |
1907 | size_t counter = 0; | |
1908 | for (const auto& ctx : g_dohlocals) { | |
1909 | ret << (fmt % counter % ctx->d_local.toStringWithPort() % ctx->d_http1Stats.d_nb200Responses % ctx->d_http1Stats.d_nb400Responses % ctx->d_http1Stats.d_nb403Responses % ctx->d_http1Stats.d_nb500Responses % ctx->d_http1Stats.d_nb502Responses % ctx->d_http1Stats.d_nbOtherResponses) << endl; | |
1910 | counter++; | |
1911 | } | |
1912 | g_outputBuffer += ret.str(); | |
1913 | ret.str(""); | |
1914 | ||
1915 | g_outputBuffer += "\n- HTTP/2:\n\n"; | |
1916 | ret << (fmt % "#" % "Address" % "200" % "400" % "403" % "500" % "502" % "Others" ) << endl; | |
1917 | counter = 0; | |
1918 | for (const auto& ctx : g_dohlocals) { | |
1919 | ret << (fmt % counter % ctx->d_local.toStringWithPort() % ctx->d_http2Stats.d_nb200Responses % ctx->d_http2Stats.d_nb400Responses % ctx->d_http2Stats.d_nb403Responses % ctx->d_http2Stats.d_nb500Responses % ctx->d_http2Stats.d_nb502Responses % ctx->d_http2Stats.d_nbOtherResponses) << endl; | |
1920 | counter++; | |
1921 | } | |
1922 | g_outputBuffer += ret.str(); | |
1923 | } | |
1924 | catch(const std::exception& e) { | |
1925 | g_outputBuffer = e.what(); | |
1926 | throw; | |
1927 | } | |
1928 | #else | |
1929 | g_outputBuffer="DNS over HTTPS support is not present!\n"; | |
1930 | #endif | |
1931 | }); | |
1932 | ||
28b56482 | 1933 | g_lua.writeFunction("getDOHFrontend", [client](size_t index) { |
1b51c0f3 | 1934 | std::shared_ptr<DOHFrontend> result = nullptr; |
28b56482 RG |
1935 | if (client) { |
1936 | return result; | |
1937 | } | |
1b51c0f3 RG |
1938 | #ifdef HAVE_DNS_OVER_HTTPS |
1939 | setLuaNoSideEffect(); | |
1940 | try { | |
1941 | if (index < g_dohlocals.size()) { | |
1942 | result = g_dohlocals.at(index); | |
1943 | } | |
1944 | else { | |
0718e562 RG |
1945 | errlog("Error: trying to get DOH frontend with index %zu but we only have %zu frontend(s)\n", index, g_dohlocals.size()); |
1946 | g_outputBuffer="Error: trying to get DOH frontend with index " + std::to_string(index) + " but we only have " + std::to_string(g_dohlocals.size()) + " frontend(s)\n"; | |
1b51c0f3 RG |
1947 | } |
1948 | } | |
1949 | catch(const std::exception& e) { | |
0718e562 | 1950 | g_outputBuffer="Error while trying to get DOH frontend with index " + std::to_string(index) + ": "+string(e.what())+"\n"; |
56d44226 | 1951 | errlog("Error while trying to get DOH frontend with index %zu: %s\n", index, string(e.what())); |
1b51c0f3 RG |
1952 | } |
1953 | #else | |
1954 | g_outputBuffer="DNS over HTTPS support is not present!\n"; | |
1955 | #endif | |
1956 | return result; | |
1957 | }); | |
1958 | ||
6c7cec08 | 1959 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)()>("reloadCertificates", [](std::shared_ptr<DOHFrontend> frontend) { |
1b51c0f3 | 1960 | if (frontend != nullptr) { |
6c7cec08 | 1961 | frontend->reloadCertificates(); |
1b51c0f3 RG |
1962 | } |
1963 | }); | |
1964 | ||
0ef9ab19 RG |
1965 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)()>("rotateTicketsKey", [](std::shared_ptr<DOHFrontend> frontend) { |
1966 | if (frontend != nullptr) { | |
1967 | frontend->rotateTicketsKey(time(nullptr)); | |
1968 | } | |
1969 | }); | |
1970 | ||
1971 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)(const std::string&)>("loadTicketsKeys", [](std::shared_ptr<DOHFrontend> frontend, const std::string& file) { | |
1972 | if (frontend != nullptr) { | |
1973 | frontend->loadTicketsKeys(file); | |
1974 | } | |
1975 | }); | |
1976 | ||
28b56482 RG |
1977 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)(const std::map<int, std::shared_ptr<DOHResponseMapEntry>>&)>("setResponsesMap", [](std::shared_ptr<DOHFrontend> frontend, const std::map<int, std::shared_ptr<DOHResponseMapEntry>>& map) { |
1978 | if (frontend != nullptr) { | |
1979 | std::vector<std::shared_ptr<DOHResponseMapEntry>> newMap; | |
1980 | newMap.reserve(map.size()); | |
1981 | ||
1982 | for (const auto& entry : map) { | |
1983 | newMap.push_back(entry.second); | |
1984 | } | |
1985 | ||
1986 | frontend->d_responsesMap = std::move(newMap); | |
1987 | } | |
1988 | }); | |
1989 | ||
fa974ada | 1990 | g_lua.writeFunction("addTLSLocal", [client](const std::string& addr, boost::variant<std::string, std::vector<std::pair<int,std::string>>> certFiles, boost::variant<std::string, std::vector<std::pair<int,std::string>>> keyFiles, boost::optional<localbind_t> vars) { |
56d44226 | 1991 | #ifdef HAVE_DNS_OVER_TLS |
a227f47d RG |
1992 | if (client) |
1993 | return; | |
a227f47d RG |
1994 | setLuaSideEffect(); |
1995 | if (g_configurationDone) { | |
1996 | g_outputBuffer="addTLSLocal cannot be used at runtime!\n"; | |
1997 | return; | |
1998 | } | |
1999 | shared_ptr<TLSFrontend> frontend = std::make_shared<TLSFrontend>(); | |
fa974ada | 2000 | |
b54e94dc | 2001 | if (!loadTLSCertificateAndKeys("addTLSLocal", frontend->d_tlsConfig.d_certKeyPairs, certFiles, keyFiles)) { |
fa974ada RG |
2002 | return; |
2003 | } | |
a227f47d | 2004 | |
6e9fd124 RG |
2005 | bool reusePort = false; |
2006 | int tcpFastOpenQueueSize = 0; | |
2007 | std::string interface; | |
2008 | std::set<int> cpus; | |
6e9fd124 | 2009 | |
a227f47d | 2010 | if (vars) { |
0230e350 | 2011 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
a227f47d RG |
2012 | |
2013 | if (vars->count("provider")) { | |
2014 | frontend->d_provider = boost::get<const string>((*vars)["provider"]); | |
b5af510a | 2015 | boost::algorithm::to_lower(frontend->d_provider); |
a227f47d RG |
2016 | } |
2017 | ||
b54e94dc | 2018 | parseTLSConfig(frontend->d_tlsConfig, "addTLSLocal", vars); |
a227f47d RG |
2019 | } |
2020 | ||
2021 | try { | |
2022 | frontend->d_addr = ComboAddress(addr, 853); | |
d94702d6 RG |
2023 | if (!frontend->d_provider.empty()) { |
2024 | vinfolog("Loading TLS provider '%s'", frontend->d_provider); | |
2025 | } | |
2026 | else { | |
b5af510a | 2027 | #ifdef HAVE_LIBSSL |
d94702d6 | 2028 | vinfolog("Loading default TLS provider 'openssl'"); |
b5af510a RG |
2029 | #else |
2030 | vinfolog("Loading default TLS provider 'gnutls'"); | |
2031 | #endif | |
d94702d6 | 2032 | } |
6e9fd124 RG |
2033 | // only works pre-startup, so no sync necessary |
2034 | auto cs = std::unique_ptr<ClientState>(new ClientState(frontend->d_addr, true, reusePort, tcpFastOpenQueueSize, interface, cpus)); | |
2035 | cs->tlsFrontend = frontend; | |
2036 | g_tlslocals.push_back(cs->tlsFrontend); | |
2037 | g_frontends.push_back(std::move(cs)); | |
a227f47d RG |
2038 | } |
2039 | catch(const std::exception& e) { | |
2040 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
2041 | } | |
2042 | #else | |
56d44226 | 2043 | throw std::runtime_error("addTLSLocal() called but DNS over TLS support is not present!"); |
a227f47d RG |
2044 | #endif |
2045 | }); | |
2046 | ||
7f2f825d | 2047 | g_lua.writeFunction("showTLSContexts", []() { |
a227f47d RG |
2048 | #ifdef HAVE_DNS_OVER_TLS |
2049 | setLuaNoSideEffect(); | |
2050 | try { | |
2051 | ostringstream ret; | |
2052 | boost::format fmt("%1$-3d %2$-20.20s %|25t|%3$-14d %|40t|%4$-14d %|54t|%5$-21.21s"); | |
2053 | // 1 2 3 4 5 | |
2054 | ret << (fmt % "#" % "Address" % "# ticket keys" % "Rotation delay" % "Next rotation" ) << endl; | |
2055 | size_t counter = 0; | |
2056 | for (const auto& ctx : g_tlslocals) { | |
2057 | ret << (fmt % counter % ctx->d_addr.toStringWithPort() % ctx->getTicketsKeysCount() % ctx->getTicketsKeyRotationDelay() % ctx->getNextTicketsKeyRotation()) << endl; | |
2058 | counter++; | |
2059 | } | |
2060 | g_outputBuffer = ret.str(); | |
2061 | } | |
2062 | catch(const std::exception& e) { | |
2063 | g_outputBuffer = e.what(); | |
2064 | throw; | |
2065 | } | |
2066 | #else | |
2067 | g_outputBuffer="DNS over TLS support is not present!\n"; | |
2068 | #endif | |
2069 | }); | |
2070 | ||
7f2f825d | 2071 | g_lua.writeFunction("getTLSContext", [](size_t index) { |
a227f47d RG |
2072 | std::shared_ptr<TLSCtx> result = nullptr; |
2073 | #ifdef HAVE_DNS_OVER_TLS | |
2074 | setLuaNoSideEffect(); | |
2075 | try { | |
2076 | if (index < g_tlslocals.size()) { | |
2077 | result = g_tlslocals.at(index)->getContext(); | |
2078 | } | |
2079 | else { | |
0718e562 RG |
2080 | errlog("Error: trying to get TLS context with index %zu but we only have %zu context(s)\n", index, g_tlslocals.size()); |
2081 | g_outputBuffer="Error: trying to get TLS context with index " + std::to_string(index) + " but we only have " + std::to_string(g_tlslocals.size()) + " context(s)\n"; | |
a227f47d RG |
2082 | } |
2083 | } | |
2084 | catch(const std::exception& e) { | |
0718e562 RG |
2085 | g_outputBuffer="Error while trying to get TLS context with index " + std::to_string(index) + ": "+string(e.what())+"\n"; |
2086 | errlog("Error while trying to get TLS context with index %zu: %s\n", index, string(e.what())); | |
a227f47d RG |
2087 | } |
2088 | #else | |
2089 | g_outputBuffer="DNS over TLS support is not present!\n"; | |
2090 | #endif | |
2091 | return result; | |
2092 | }); | |
2093 | ||
8ef43a02 RG |
2094 | g_lua.writeFunction("getTLSFrontend", [](size_t index) { |
2095 | std::shared_ptr<TLSFrontend> result = nullptr; | |
2096 | #ifdef HAVE_DNS_OVER_TLS | |
2097 | setLuaNoSideEffect(); | |
2098 | try { | |
2099 | if (index < g_tlslocals.size()) { | |
2100 | result = g_tlslocals.at(index); | |
2101 | } | |
2102 | else { | |
0718e562 RG |
2103 | errlog("Error: trying to get TLS frontend with index %zu but we only have %zu frontends\n", index, g_tlslocals.size()); |
2104 | g_outputBuffer="Error: trying to get TLS frontend with index " + std::to_string(index) + " but we only have " + std::to_string(g_tlslocals.size()) + " frontend(s)\n"; | |
8ef43a02 RG |
2105 | } |
2106 | } | |
2107 | catch(const std::exception& e) { | |
0718e562 RG |
2108 | g_outputBuffer="Error while trying to get TLS frontend with index " + std::to_string(index) + ": "+string(e.what())+"\n"; |
2109 | errlog("Error while trying to get TLS frontend with index %zu: %s\n", index, string(e.what())); | |
8ef43a02 RG |
2110 | } |
2111 | #else | |
2112 | g_outputBuffer="DNS over TLS support is not present!\n"; | |
2113 | #endif | |
2114 | return result; | |
2115 | }); | |
2116 | ||
a227f47d RG |
2117 | g_lua.registerFunction<void(std::shared_ptr<TLSCtx>::*)()>("rotateTicketsKey", [](std::shared_ptr<TLSCtx> ctx) { |
2118 | if (ctx != nullptr) { | |
2119 | ctx->rotateTicketsKey(time(nullptr)); | |
2120 | } | |
2121 | }); | |
2122 | ||
2123 | g_lua.registerFunction<void(std::shared_ptr<TLSCtx>::*)(const std::string&)>("loadTicketsKeys", [](std::shared_ptr<TLSCtx> ctx, const std::string& file) { | |
2124 | if (ctx != nullptr) { | |
2125 | ctx->loadTicketsKeys(file); | |
2126 | } | |
2127 | }); | |
8ef43a02 RG |
2128 | |
2129 | g_lua.registerFunction<void(std::shared_ptr<TLSFrontend>::*)(boost::variant<std::string, std::vector<std::pair<int,std::string>>> certFiles, boost::variant<std::string, std::vector<std::pair<int,std::string>>> keyFiles)>("loadNewCertificatesAndKeys", [](std::shared_ptr<TLSFrontend>& frontend, boost::variant<std::string, std::vector<std::pair<int,std::string>>> certFiles, boost::variant<std::string, std::vector<std::pair<int,std::string>>> keyFiles) { | |
9ce6a273 | 2130 | #ifdef HAVE_DNS_OVER_TLS |
b54e94dc | 2131 | if (loadTLSCertificateAndKeys("loadNewCertificatesAndKeys", frontend->d_tlsConfig.d_certKeyPairs, certFiles, keyFiles)) { |
8ef43a02 RG |
2132 | frontend->setupTLS(); |
2133 | } | |
9ce6a273 | 2134 | #endif |
8ef43a02 | 2135 | }); |
0dffe9e3 | 2136 | |
bcc62bfb RG |
2137 | g_lua.writeFunction("reloadAllCertificates", []() { |
2138 | for (auto& frontend : g_frontends) { | |
2139 | if (!frontend) { | |
2140 | continue; | |
2141 | } | |
2142 | try { | |
2143 | #ifdef HAVE_DNSCRYPT | |
2144 | if (frontend->dnscryptCtx) { | |
37b6d73d | 2145 | frontend->dnscryptCtx->reloadCertificates(); |
bcc62bfb RG |
2146 | } |
2147 | #endif /* HAVE_DNSCRYPT */ | |
2148 | #ifdef HAVE_DNS_OVER_TLS | |
2149 | if (frontend->tlsFrontend) { | |
2150 | frontend->tlsFrontend->setupTLS(); | |
2151 | } | |
2152 | #endif /* HAVE_DNS_OVER_TLS */ | |
6e3a9fe4 RG |
2153 | #ifdef HAVE_DNS_OVER_HTTPS |
2154 | if (frontend->dohFrontend) { | |
6c7cec08 | 2155 | frontend->dohFrontend->reloadCertificates(); |
6e3a9fe4 RG |
2156 | } |
2157 | #endif /* HAVE_DNS_OVER_HTTPS */ | |
bcc62bfb RG |
2158 | } |
2159 | catch(const std::exception& e) { | |
2160 | errlog("Error reloading certificates for frontend %s: %s", frontend->local.toStringWithPort(), e.what()); | |
2161 | } | |
2162 | } | |
2163 | }); | |
2164 | ||
2165 | g_lua.writeFunction("setAllowEmptyResponse", [](bool allow) { g_allowEmptyResponse=allow; }); | |
8c15553e RG |
2166 | |
2167 | #if defined(HAVE_LIBSSL) && defined(HAVE_OCSP_BASIC_SIGN) | |
203b5348 RG |
2168 | g_lua.writeFunction("generateOCSPResponse", [client](const std::string& certFile, const std::string& caCert, const std::string& caKey, const std::string& outFile, int ndays, int nmin) { |
2169 | if (client) { | |
2170 | return; | |
2171 | } | |
2172 | ||
2173 | libssl_generate_ocsp_response(certFile, caCert, caKey, outFile, ndays, nmin); | |
8c15553e RG |
2174 | }); |
2175 | #endif /* HAVE_LIBSSL && HAVE_OCSP_BASIC_SIGN*/ | |
6bb38cd6 | 2176 | } |
2a817e5a | 2177 | |
203b5348 | 2178 | vector<std::function<void(void)>> setupLua(bool client, bool configCheck, const std::string& config) |
6bb38cd6 RG |
2179 | { |
2180 | g_launchWork= new vector<std::function<void(void)>>(); | |
2a817e5a | 2181 | |
6bb38cd6 | 2182 | setupLuaActions(); |
203b5348 | 2183 | setupLuaConfig(client, configCheck); |
6bb38cd6 | 2184 | setupLuaBindings(client); |
4d4d5623 | 2185 | setupLuaBindingsDNSCrypt(); |
6bb38cd6 | 2186 | setupLuaBindingsDNSQuestion(); |
4d4d5623 RG |
2187 | setupLuaBindingsKVS(client); |
2188 | setupLuaBindingsPacketCache(); | |
203b5348 | 2189 | setupLuaBindingsProtoBuf(client, configCheck); |
6bb38cd6 RG |
2190 | setupLuaInspection(); |
2191 | setupLuaRules(); | |
2192 | setupLuaVars(); | |
80a216c9 | 2193 | |
839f3021 | 2194 | std::ifstream ifs(config); |
6bb38cd6 | 2195 | if(!ifs) |
839f3021 | 2196 | warnlog("Unable to read configuration from '%s'", config); |
2e72cc0e | 2197 | else |
cdc04ede | 2198 | vinfolog("Read configuration from '%s'", config); |
df111b53 | 2199 | |
2200 | g_lua.executeCode(ifs); | |
d8c19b98 | 2201 | |
6bb38cd6 | 2202 | auto ret = *g_launchWork; |
2e72cc0e | 2203 | delete g_launchWork; |
6bb38cd6 | 2204 | g_launchWork = nullptr; |
2e72cc0e | 2205 | return ret; |
df111b53 | 2206 | } |