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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" |
0ed8f0fa RG |
39 | #ifdef LUAJIT_VERSION |
40 | #include "dnsdist-lua-ffi.hh" | |
41 | #endif /* LUAJIT_VERSION */ | |
03b00917 | 42 | #include "dnsdist-rings.hh" |
5d4e1ef8 | 43 | #include "dnsdist-secpoll.hh" |
6bb38cd6 | 44 | |
df111b53 | 45 | #include "base64.hh" |
b7860997 | 46 | #include "dnswriter.hh" |
6bb38cd6 | 47 | #include "dolog.hh" |
0e41337b | 48 | #include "lock.hh" |
a227f47d | 49 | #include "protobuf.hh" |
6bb38cd6 RG |
50 | #include "sodcrypto.hh" |
51 | ||
8c15553e RG |
52 | #ifdef HAVE_LIBSSL |
53 | #include "libssl.hh" | |
54 | #endif | |
55 | ||
6bb38cd6 | 56 | #include <boost/logic/tribool.hpp> |
1720247e | 57 | #include <boost/lexical_cast.hpp> |
df111b53 | 58 | |
6ab65223 PL |
59 | #ifdef HAVE_SYSTEMD |
60 | #include <systemd/sd-daemon.h> | |
61 | #endif | |
62 | ||
df111b53 | 63 | using std::thread; |
64 | ||
6bb38cd6 | 65 | static vector<std::function<void(void)>>* g_launchWork = nullptr; |
2e72cc0e | 66 | |
6bb38cd6 RG |
67 | boost::tribool g_noLuaSideEffect; |
68 | static bool g_included{false}; | |
d8d85a30 | 69 | |
6bb38cd6 RG |
70 | /* this is a best effort way to prevent logging calls with no side-effects in the output of delta() |
71 | Functions can declare setLuaNoSideEffect() and if nothing else does declare a side effect, or nothing | |
72 | has done so before on this invocation, this call won't be part of delta() output */ | |
73 | void setLuaNoSideEffect() | |
153d5065 | 74 | { |
6bb38cd6 RG |
75 | if(g_noLuaSideEffect==false) // there has been a side effect already |
76 | return; | |
77 | g_noLuaSideEffect=true; | |
78 | } | |
153d5065 | 79 | |
6bb38cd6 | 80 | void setLuaSideEffect() |
d8d85a30 | 81 | { |
6bb38cd6 RG |
82 | g_noLuaSideEffect=false; |
83 | } | |
f850b032 | 84 | |
6bb38cd6 RG |
85 | bool getLuaNoSideEffect() |
86 | { | |
d7a26377 RG |
87 | if (g_noLuaSideEffect) { |
88 | return true; | |
89 | } | |
90 | return false; | |
d8d85a30 | 91 | } |
92 | ||
6bb38cd6 | 93 | void resetLuaSideEffect() |
2d11d1b2 | 94 | { |
6bb38cd6 | 95 | g_noLuaSideEffect = boost::logic::indeterminate; |
2d11d1b2 | 96 | } |
97 | ||
37b9ba5a | 98 | 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 | 99 | |
0230e350 | 100 | static void parseLocalBindVars(boost::optional<localbind_t> vars, bool& reusePort, int& tcpFastOpenQueueSize, std::string& interface, std::set<int>& cpus) |
efd35aa8 RG |
101 | { |
102 | if (vars) { | |
efd35aa8 RG |
103 | if (vars->count("reusePort")) { |
104 | reusePort = boost::get<bool>((*vars)["reusePort"]); | |
105 | } | |
106 | if (vars->count("tcpFastOpenQueueSize")) { | |
107 | tcpFastOpenQueueSize = boost::get<int>((*vars)["tcpFastOpenQueueSize"]); | |
108 | } | |
109 | if (vars->count("interface")) { | |
110 | interface = boost::get<std::string>((*vars)["interface"]); | |
111 | } | |
f0e4dcba RG |
112 | if (vars->count("cpus")) { |
113 | for (const auto cpu : boost::get<std::vector<std::pair<int,int>>>((*vars)["cpus"])) { | |
114 | cpus.insert(cpu.second); | |
115 | } | |
116 | } | |
efd35aa8 RG |
117 | } |
118 | } | |
119 | ||
39006144 | 120 | #if defined(HAVE_DNS_OVER_TLS) || defined(HAVE_DNS_OVER_HTTPS) |
bf8cd40d | 121 | 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 |
122 | { |
123 | if (certFiles.type() == typeid(std::string) && keyFiles.type() == typeid(std::string)) { | |
124 | auto certFile = boost::get<std::string>(certFiles); | |
125 | auto keyFile = boost::get<std::string>(keyFiles); | |
bf8cd40d RG |
126 | pairs.clear(); |
127 | pairs.push_back({certFile, keyFile}); | |
8ef43a02 RG |
128 | } |
129 | else if (certFiles.type() == typeid(std::vector<std::pair<int,std::string>>) && keyFiles.type() == typeid(std::vector<std::pair<int,std::string>>)) | |
130 | { | |
131 | auto certFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(certFiles); | |
132 | auto keyFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(keyFiles); | |
133 | if (certFilesVect.size() == keyFilesVect.size()) { | |
bf8cd40d | 134 | pairs.clear(); |
8ef43a02 | 135 | for (size_t idx = 0; idx < certFilesVect.size(); idx++) { |
bf8cd40d | 136 | pairs.push_back({certFilesVect.at(idx).second, keyFilesVect.at(idx).second}); |
8ef43a02 RG |
137 | } |
138 | } | |
139 | else { | |
bf8cd40d RG |
140 | errlog("Error, mismatching number of certificates and keys in call to %s()!", context); |
141 | g_outputBuffer="Error, mismatching number of certificates and keys in call to " + context + "()!"; | |
8ef43a02 RG |
142 | return false; |
143 | } | |
144 | } | |
145 | else { | |
bf8cd40d RG |
146 | errlog("Error, mismatching number of certificates and keys in call to %s()!", context); |
147 | g_outputBuffer="Error, mismatching number of certificates and keys in call to " + context + "()!"; | |
8ef43a02 RG |
148 | return false; |
149 | } | |
150 | ||
151 | return true; | |
152 | } | |
b54e94dc RG |
153 | |
154 | static void parseTLSConfig(TLSConfig& config, const std::string& context, boost::optional<localbind_t> vars) | |
155 | { | |
156 | if (vars->count("ciphers")) { | |
157 | config.d_ciphers = boost::get<const string>((*vars)["ciphers"]); | |
158 | } | |
159 | ||
160 | if (vars->count("ciphersTLS13")) { | |
161 | config.d_ciphers13 = boost::get<const string>((*vars)["ciphersTLS13"]); | |
162 | } | |
163 | ||
164 | #ifdef HAVE_LIBSSL | |
165 | if (vars->count("minTLSVersion")) { | |
166 | config.d_minTLSVersion = libssl_tls_version_from_string(boost::get<const string>((*vars)["minTLSVersion"])); | |
167 | } | |
168 | #endif /* HAVE_LIBSSL */ | |
169 | ||
170 | if (vars->count("ticketKeyFile")) { | |
171 | config.d_ticketKeyFile = boost::get<const string>((*vars)["ticketKeyFile"]); | |
172 | } | |
173 | ||
174 | if (vars->count("ticketsKeysRotationDelay")) { | |
175 | config.d_ticketsKeyRotationDelay = boost::get<int>((*vars)["ticketsKeysRotationDelay"]); | |
176 | } | |
177 | ||
178 | if (vars->count("numberOfTicketsKeys")) { | |
179 | config.d_numberOfTicketsKeys = boost::get<int>((*vars)["numberOfTicketsKeys"]); | |
180 | } | |
181 | ||
182 | if (vars->count("preferServerCiphers")) { | |
183 | config.d_preferServerCiphers = boost::get<bool>((*vars)["preferServerCiphers"]); | |
184 | } | |
185 | ||
186 | if (vars->count("sessionTickets")) { | |
187 | config.d_enableTickets = boost::get<bool>((*vars)["sessionTickets"]); | |
188 | } | |
189 | ||
190 | if (vars->count("numberOfStoredSessions")) { | |
191 | auto value = boost::get<int>((*vars)["numberOfStoredSessions"]); | |
192 | if (value < 0) { | |
193 | errlog("Invalid value '%d' for %s() parameter 'numberOfStoredSessions', should be >= 0, dismissing", value, context); | |
194 | g_outputBuffer="Invalid value '" + std::to_string(value) + "' for " + context + "() parameter 'numberOfStoredSessions', should be >= 0, dimissing"; | |
195 | } | |
196 | config.d_maxStoredSessions = value; | |
197 | } | |
198 | ||
199 | if (vars->count("ocspResponses")) { | |
200 | auto files = boost::get<std::vector<std::pair<int, std::string>>>((*vars)["ocspResponses"]); | |
201 | for (const auto& file : files) { | |
202 | config.d_ocspFiles.push_back(file.second); | |
203 | } | |
204 | } | |
7f8a5a32 RG |
205 | |
206 | if (vars->count("keyLogFile")) { | |
207 | config.d_keyLogFile = boost::get<const string>((*vars)["keyLogFile"]); | |
208 | } | |
b54e94dc RG |
209 | } |
210 | ||
39006144 | 211 | #endif // defined(HAVE_DNS_OVER_TLS) || defined(HAVE_DNS_OVER_HTTPS) |
8ef43a02 | 212 | |
a9599e73 | 213 | static void setupLuaConfig(bool client, bool configCheck) |
df111b53 | 214 | { |
98650fde | 215 | typedef std::unordered_map<std::string, boost::variant<bool, std::string, vector<pair<int, std::string> >, DownstreamState::checkfunc_t > > newserver_t; |
6f2a4580 | 216 | g_lua.writeFunction("inClientStartup", [client]() { |
541dd48f | 217 | return client && !g_configurationDone; |
6f2a4580 PD |
218 | }); |
219 | ||
203b5348 RG |
220 | g_lua.writeFunction("inConfigCheck", [client, configCheck]() { |
221 | return !configCheck; | |
222 | }); | |
223 | ||
6bb38cd6 | 224 | g_lua.writeFunction("newServer", |
203b5348 | 225 | [client, configCheck](boost::variant<string,newserver_t> pvars, boost::optional<int> qps) { |
a5526b57 CH |
226 | setLuaSideEffect(); |
227 | ||
228 | std::shared_ptr<DownstreamState> ret = std::make_shared<DownstreamState>(ComboAddress()); | |
229 | newserver_t vars; | |
230 | ||
231 | ComboAddress serverAddr; | |
232 | std::string serverAddressStr; | |
233 | if(auto addrStr = boost::get<string>(&pvars)) { | |
234 | serverAddressStr = *addrStr; | |
235 | if(qps) { | |
236 | vars["qps"] = std::to_string(*qps); | |
237 | } | |
238 | } else { | |
239 | vars = boost::get<newserver_t>(pvars); | |
240 | serverAddressStr = boost::get<string>(vars["address"]); | |
241 | } | |
2e72cc0e | 242 | |
a5526b57 CH |
243 | try { |
244 | serverAddr = ComboAddress(serverAddressStr, 53); | |
245 | } | |
246 | catch(const PDNSException& e) { | |
247 | g_outputBuffer="Error creating new server: "+string(e.reason); | |
248 | errlog("Error creating new server with address %s: %s", serverAddressStr, e.reason); | |
249 | return ret; | |
250 | } | |
251 | catch(std::exception& e) { | |
252 | g_outputBuffer="Error creating new server: "+string(e.what()); | |
253 | errlog("Error creating new server with address %s: %s", serverAddressStr, e.what()); | |
254 | return ret; | |
255 | } | |
2e72cc0e | 256 | |
a5526b57 CH |
257 | if(IsAnyAddress(serverAddr)) { |
258 | g_outputBuffer="Error creating new server: invalid address for a downstream server."; | |
259 | errlog("Error creating new server: %s is not a valid address for a downstream server", serverAddressStr); | |
260 | return ret; | |
261 | } | |
262 | ||
263 | ComboAddress sourceAddr; | |
70b0d0e2 | 264 | std::string sourceItfName; |
a5526b57 CH |
265 | unsigned int sourceItf = 0; |
266 | size_t numberOfSockets = 1; | |
267 | std::set<int> cpus; | |
fbe2a2e0 | 268 | |
8592b46e RG |
269 | if(vars.count("source")) { |
270 | /* handle source in the following forms: | |
271 | - v4 address ("192.0.2.1") | |
272 | - v6 address ("2001:DB8::1") | |
273 | - interface name ("eth0") | |
274 | - v4 address and interface name ("192.0.2.1@eth0") | |
275 | - v6 address and interface name ("2001:DB8::1@eth0") | |
276 | */ | |
277 | const string source = boost::get<string>(vars["source"]); | |
278 | bool parsed = false; | |
279 | std::string::size_type pos = source.find("@"); | |
280 | if (pos == std::string::npos) { | |
281 | /* no '@', try to parse that as a valid v4/v6 address */ | |
282 | try { | |
283 | sourceAddr = ComboAddress(source); | |
284 | parsed = true; | |
285 | } | |
286 | catch(...) | |
287 | { | |
288 | } | |
289 | } | |
290 | ||
291 | if (parsed == false) | |
292 | { | |
293 | /* try to parse as interface name, or v4/v6@itf */ | |
294 | sourceItfName = source.substr(pos == std::string::npos ? 0 : pos + 1); | |
295 | unsigned int itfIdx = if_nametoindex(sourceItfName.c_str()); | |
296 | ||
297 | if (itfIdx != 0) { | |
298 | if (pos == 0 || pos == std::string::npos) { | |
299 | /* "eth0" or "@eth0" */ | |
300 | sourceItf = itfIdx; | |
301 | } | |
302 | else { | |
303 | /* "192.0.2.1@eth0" */ | |
304 | sourceAddr = ComboAddress(source.substr(0, pos)); | |
305 | sourceItf = itfIdx; | |
306 | } | |
83fe2c55 | 307 | #ifdef SO_BINDTODEVICE |
8592b46e RG |
308 | /* we need to retain CAP_NET_RAW to be able to set SO_BINDTODEVICE in the health checks */ |
309 | g_capabilitiesToRetain.insert("CAP_NET_RAW"); | |
83fe2c55 | 310 | #endif |
8592b46e RG |
311 | } |
312 | else | |
313 | { | |
314 | warnlog("Dismissing source %s because '%s' is not a valid interface name", source, sourceItfName); | |
315 | } | |
316 | } | |
317 | } | |
318 | ||
319 | if (vars.count("sockets")) { | |
320 | numberOfSockets = std::stoul(boost::get<string>(vars["sockets"])); | |
321 | if (numberOfSockets == 0) { | |
322 | warnlog("Dismissing invalid number of sockets '%s', using 1 instead", boost::get<string>(vars["sockets"])); | |
323 | numberOfSockets = 1; | |
324 | } | |
325 | } | |
150105a2 | 326 | |
203b5348 RG |
327 | // create but don't connect the socket in client or check-config modes |
328 | ret=std::make_shared<DownstreamState>(serverAddr, sourceAddr, sourceItf, sourceItfName, numberOfSockets, !(client || configCheck)); | |
b6e26895 RG |
329 | if (!(client || configCheck)) { |
330 | infolog("Added downstream server %s", serverAddr.toStringWithPort()); | |
331 | } | |
fbe2a2e0 | 332 | |
8592b46e RG |
333 | if(vars.count("qps")) { |
334 | int qpsVal=std::stoi(boost::get<string>(vars["qps"])); | |
335 | ret->qps=QPSLimiter(qpsVal, qpsVal); | |
336 | } | |
337 | ||
338 | if(vars.count("order")) { | |
339 | ret->order=std::stoi(boost::get<string>(vars["order"])); | |
340 | } | |
341 | ||
342 | if(vars.count("weight")) { | |
343 | try { | |
344 | int weightVal=std::stoi(boost::get<string>(vars["weight"])); | |
345 | ||
346 | if(weightVal < 1) { | |
347 | errlog("Error creating new server: downstream weight value must be greater than 0."); | |
348 | return ret; | |
349 | } | |
350 | ||
351 | ret->setWeight(weightVal); | |
352 | } | |
353 | catch(std::exception& e) { | |
354 | // std::stoi will throw an exception if the string isn't in a value int range | |
355 | errlog("Error creating new server: downstream weight value must be between %s and %s", 1, std::numeric_limits<int>::max()); | |
356 | return ret; | |
357 | } | |
358 | } | |
359 | ||
360 | if(vars.count("retries")) { | |
361 | ret->retries=std::stoi(boost::get<string>(vars["retries"])); | |
362 | } | |
363 | ||
364 | if(vars.count("checkInterval")) { | |
365 | ret->checkInterval=static_cast<unsigned int>(std::stoul(boost::get<string>(vars["checkInterval"]))); | |
366 | } | |
367 | ||
368 | if(vars.count("tcpConnectTimeout")) { | |
369 | ret->tcpConnectTimeout=std::stoi(boost::get<string>(vars["tcpConnectTimeout"])); | |
370 | } | |
371 | ||
372 | if(vars.count("tcpSendTimeout")) { | |
373 | ret->tcpSendTimeout=std::stoi(boost::get<string>(vars["tcpSendTimeout"])); | |
374 | } | |
375 | ||
376 | if(vars.count("tcpRecvTimeout")) { | |
377 | ret->tcpRecvTimeout=std::stoi(boost::get<string>(vars["tcpRecvTimeout"])); | |
378 | } | |
379 | ||
380 | if(vars.count("tcpFastOpen")) { | |
381 | bool fastOpen = boost::get<bool>(vars["tcpFastOpen"]); | |
382 | if (fastOpen) { | |
d987f632 | 383 | #ifdef MSG_FASTOPEN |
8592b46e | 384 | ret->tcpFastOpen=true; |
d987f632 | 385 | #else |
8592b46e | 386 | warnlog("TCP Fast Open has been configured on downstream server %s but is not supported", boost::get<string>(vars["address"])); |
d987f632 | 387 | #endif |
8592b46e RG |
388 | } |
389 | } | |
284d460c | 390 | |
8592b46e | 391 | if(vars.count("name")) { |
be05aa91 | 392 | ret->setName(boost::get<string>(vars["name"])); |
8592b46e | 393 | } |
18eeccc9 | 394 | |
8592b46e RG |
395 | if (vars.count("id")) { |
396 | ret->setId(boost::lexical_cast<boost::uuids::uuid>(boost::get<string>(vars["id"]))); | |
397 | } | |
1720247e | 398 | |
8592b46e RG |
399 | if(vars.count("checkName")) { |
400 | ret->checkName=DNSName(boost::get<string>(vars["checkName"])); | |
401 | } | |
ad485896 | 402 | |
8592b46e RG |
403 | if(vars.count("checkType")) { |
404 | ret->checkType=boost::get<string>(vars["checkType"]); | |
405 | } | |
ad485896 | 406 | |
8592b46e RG |
407 | if(vars.count("checkClass")) { |
408 | ret->checkClass=std::stoi(boost::get<string>(vars["checkClass"])); | |
409 | } | |
de9f7157 | 410 | |
8592b46e RG |
411 | if(vars.count("checkFunction")) { |
412 | ret->checkFunction= boost::get<DownstreamState::checkfunc_t>(vars["checkFunction"]); | |
413 | } | |
98650fde | 414 | |
8592b46e RG |
415 | if(vars.count("checkTimeout")) { |
416 | ret->checkTimeout = std::stoi(boost::get<string>(vars["checkTimeout"])); | |
417 | } | |
b7e6f4a1 | 418 | |
8592b46e RG |
419 | if(vars.count("setCD")) { |
420 | ret->setCD=boost::get<bool>(vars["setCD"]); | |
421 | } | |
21830638 | 422 | |
8592b46e RG |
423 | if(vars.count("mustResolve")) { |
424 | ret->mustResolve=boost::get<bool>(vars["mustResolve"]); | |
425 | } | |
a6e02424 | 426 | |
8592b46e RG |
427 | if(vars.count("useClientSubnet")) { |
428 | ret->useECS=boost::get<bool>(vars["useClientSubnet"]); | |
429 | } | |
ca404e94 | 430 | |
8592b46e RG |
431 | if(vars.count("disableZeroScope")) { |
432 | ret->disableZeroScope=boost::get<bool>(vars["disableZeroScope"]); | |
433 | } | |
996db8e9 | 434 | |
8592b46e RG |
435 | if(vars.count("ipBindAddrNoPort")) { |
436 | ret->ipBindAddrNoPort=boost::get<bool>(vars["ipBindAddrNoPort"]); | |
437 | } | |
5cc8371b | 438 | |
8592b46e RG |
439 | if(vars.count("addXPF")) { |
440 | ret->xpfRRCode=std::stoi(boost::get<string>(vars["addXPF"])); | |
441 | } | |
5602f131 | 442 | |
8592b46e RG |
443 | if(vars.count("maxCheckFailures")) { |
444 | ret->maxCheckFailures=std::stoi(boost::get<string>(vars["maxCheckFailures"])); | |
445 | } | |
9e87dcb8 | 446 | |
8592b46e RG |
447 | if(vars.count("rise")) { |
448 | ret->minRiseSuccesses=std::stoi(boost::get<string>(vars["rise"])); | |
449 | } | |
1b633bec | 450 | |
8592b46e RG |
451 | if(vars.count("cpus")) { |
452 | for (const auto cpu : boost::get<vector<pair<int,string>>>(vars["cpus"])) { | |
453 | cpus.insert(std::stoi(cpu.second)); | |
454 | } | |
455 | } | |
3a8ee8bf | 456 | |
8592b46e RG |
457 | /* this needs to be done _AFTER_ the order has been set, |
458 | since the server are kept ordered inside the pool */ | |
459 | auto localPools = g_pools.getCopy(); | |
460 | if(vars.count("pool")) { | |
461 | if(auto* pool = boost::get<string>(&vars["pool"])) { | |
462 | ret->pools.insert(*pool); | |
463 | } | |
464 | else { | |
465 | auto pools = boost::get<vector<pair<int, string> > >(vars["pool"]); | |
466 | for(auto& p : pools) { | |
467 | ret->pools.insert(p.second); | |
468 | } | |
469 | } | |
470 | for(const auto& poolName: ret->pools) { | |
471 | addServerToPool(localPools, poolName, ret); | |
472 | } | |
473 | } | |
474 | else { | |
475 | addServerToPool(localPools, "", ret); | |
476 | } | |
477 | g_pools.setState(localPools); | |
478 | ||
479 | if (ret->connected) { | |
480 | ret->threadStarted.test_and_set(); | |
481 | ||
482 | if(g_launchWork) { | |
483 | g_launchWork->push_back([ret,cpus]() { | |
484 | ret->tid = thread(responderThread, ret); | |
485 | if (!cpus.empty()) { | |
486 | mapThreadToCPUList(ret->tid.native_handle(), cpus); | |
487 | } | |
488 | }); | |
489 | } | |
490 | else { | |
491 | ret->tid = thread(responderThread, ret); | |
492 | if (!cpus.empty()) { | |
493 | mapThreadToCPUList(ret->tid.native_handle(), cpus); | |
494 | } | |
495 | } | |
496 | } | |
8c82c02d | 497 | |
8592b46e RG |
498 | auto states = g_dstates.getCopy(); |
499 | states.push_back(ret); | |
500 | std::stable_sort(states.begin(), states.end(), [](const decltype(ret)& a, const decltype(ret)& b) { | |
501 | return a->order < b->order; | |
502 | }); | |
503 | g_dstates.setState(states); | |
504 | return ret; | |
505 | } ); | |
df111b53 | 506 | |
6bb38cd6 | 507 | g_lua.writeFunction("rmServer", |
adfdcc4b | 508 | [](boost::variant<std::shared_ptr<DownstreamState>, int, std::string> var) |
8592b46e | 509 | { |
f758857a | 510 | setLuaSideEffect(); |
adfdcc4b | 511 | shared_ptr<DownstreamState> server = nullptr; |
886e2cf2 | 512 | auto states = g_dstates.getCopy(); |
adfdcc4b | 513 | if (auto* rem = boost::get<shared_ptr<DownstreamState>>(&var)) { |
886e2cf2 RG |
514 | server = *rem; |
515 | } | |
adfdcc4b RG |
516 | else if (auto str = boost::get<std::string>(&var)) { |
517 | const auto uuid = getUniqueID(*str); | |
518 | for (auto& state : states) { | |
519 | if (state->id == uuid) { | |
520 | server = state; | |
521 | } | |
522 | } | |
523 | } | |
886e2cf2 RG |
524 | else { |
525 | int idx = boost::get<int>(var); | |
0f06cd4c | 526 | server = states.at(idx); |
886e2cf2 | 527 | } |
adfdcc4b RG |
528 | if (!server) { |
529 | throw std::runtime_error("unable to locate the requested server"); | |
530 | } | |
886e2cf2 RG |
531 | auto localPools = g_pools.getCopy(); |
532 | for (const string& poolName : server->pools) { | |
533 | removeServerFromPool(localPools, poolName, server); | |
534 | } | |
0f06cd4c RG |
535 | /* the server might also be in the default pool */ |
536 | removeServerFromPool(localPools, "", server); | |
886e2cf2 RG |
537 | g_pools.setState(localPools); |
538 | states.erase(remove(states.begin(), states.end(), server), states.end()); | |
539 | g_dstates.setState(states); | |
8592b46e | 540 | } ); |
df111b53 | 541 | |
f758857a | 542 | g_lua.writeFunction("truncateTC", [](bool tc) { setLuaSideEffect(); g_truncateTC=tc; }); |
543 | g_lua.writeFunction("fixupCase", [](bool fu) { setLuaSideEffect(); g_fixupCase=fu; }); | |
df111b53 | 544 | |
df111b53 | 545 | g_lua.writeFunction("addACL", [](const std::string& domain) { |
f758857a | 546 | setLuaSideEffect(); |
e5a14b2b | 547 | g_ACL.modify([domain](NetmaskGroup& nmg) { nmg.addMask(domain); }); |
df111b53 | 548 | }); |
2e72cc0e | 549 | |
a1d18701 | 550 | g_lua.writeFunction("rmACL", [](const std::string& netmask) { |
551 | setLuaSideEffect(); | |
552 | g_ACL.modify([netmask](NetmaskGroup& nmg) { nmg.deleteMask(netmask); }); | |
553 | }); | |
554 | ||
efd35aa8 | 555 | g_lua.writeFunction("setLocal", [client](const std::string& addr, boost::optional<localbind_t> vars) { |
f758857a | 556 | setLuaSideEffect(); |
5949b95b | 557 | if(client) |
558 | return; | |
85e4ce52 RG |
559 | if (g_configurationDone) { |
560 | g_outputBuffer="setLocal cannot be used at runtime!\n"; | |
561 | return; | |
562 | } | |
efd35aa8 RG |
563 | bool reusePort = false; |
564 | int tcpFastOpenQueueSize = 0; | |
565 | std::string interface; | |
f0e4dcba | 566 | std::set<int> cpus; |
efd35aa8 | 567 | |
0230e350 | 568 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
efd35aa8 | 569 | |
5949b95b | 570 | try { |
571 | ComboAddress loc(addr, 53); | |
6e9fd124 | 572 | for (auto it = g_frontends.begin(); it != g_frontends.end(); ) { |
265260f5 | 573 | /* DoH, DoT and DNSCrypt frontends are separate */ |
e52d278a | 574 | if ((*it)->tlsFrontend == nullptr && (*it)->dnscryptCtx == nullptr && (*it)->dohFrontend == nullptr) { |
6e9fd124 RG |
575 | it = g_frontends.erase(it); |
576 | } | |
577 | else { | |
578 | ++it; | |
579 | } | |
580 | } | |
581 | ||
582 | // only works pre-startup, so no sync necessary | |
583 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, false, reusePort, tcpFastOpenQueueSize, interface, cpus))); | |
0230e350 | 584 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, true, reusePort, tcpFastOpenQueueSize, interface, cpus))); |
5949b95b | 585 | } |
6e9fd124 | 586 | catch(const std::exception& e) { |
5949b95b | 587 | g_outputBuffer="Error: "+string(e.what())+"\n"; |
588 | } | |
589 | }); | |
590 | ||
efd35aa8 | 591 | g_lua.writeFunction("addLocal", [client](const std::string& addr, boost::optional<localbind_t> vars) { |
f758857a | 592 | setLuaSideEffect(); |
2e72cc0e | 593 | if(client) |
594 | return; | |
85e4ce52 RG |
595 | if (g_configurationDone) { |
596 | g_outputBuffer="addLocal cannot be used at runtime!\n"; | |
597 | return; | |
598 | } | |
efd35aa8 RG |
599 | bool reusePort = false; |
600 | int tcpFastOpenQueueSize = 0; | |
601 | std::string interface; | |
f0e4dcba | 602 | std::set<int> cpus; |
efd35aa8 | 603 | |
0230e350 | 604 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
efd35aa8 | 605 | |
2e72cc0e | 606 | try { |
607 | ComboAddress loc(addr, 53); | |
6e9fd124 RG |
608 | // only works pre-startup, so no sync necessary |
609 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, false, reusePort, tcpFastOpenQueueSize, interface, cpus))); | |
0230e350 | 610 | g_frontends.push_back(std::unique_ptr<ClientState>(new ClientState(loc, true, reusePort, tcpFastOpenQueueSize, interface, cpus))); |
2e72cc0e | 611 | } |
612 | catch(std::exception& e) { | |
56d44226 RG |
613 | g_outputBuffer="Error: "+string(e.what())+"\n"; |
614 | errlog("Error while trying to listen on %s: %s\n", addr, string(e.what())); | |
2e72cc0e | 615 | } |
616 | }); | |
6bb38cd6 | 617 | |
e4944ea0 | 618 | g_lua.writeFunction("setACL", [](boost::variant<string,vector<pair<int, string>>> inp) { |
f758857a | 619 | setLuaSideEffect(); |
e5a14b2b | 620 | NetmaskGroup nmg; |
e4944ea0 | 621 | if(auto str = boost::get<string>(&inp)) { |
622 | nmg.addMask(*str); | |
623 | } | |
624 | else for(const auto& p : boost::get<vector<pair<int,string>>>(inp)) { | |
e5a14b2b | 625 | nmg.addMask(p.second); |
cffde2fd | 626 | } |
627 | g_ACL.setState(nmg); | |
df111b53 | 628 | }); |
6bb38cd6 | 629 | |
df111b53 | 630 | g_lua.writeFunction("showACL", []() { |
f758857a | 631 | setLuaNoSideEffect(); |
df111b53 | 632 | vector<string> vec; |
cffde2fd | 633 | |
a9c2e4ab | 634 | g_ACL.getLocal()->toStringVector(&vec); |
cffde2fd | 635 | |
df111b53 | 636 | for(const auto& s : vec) |
cffde2fd | 637 | g_outputBuffer+=s+"\n"; |
638 | ||
df111b53 | 639 | }); |
6bb38cd6 | 640 | |
6ab65223 PL |
641 | g_lua.writeFunction("shutdown", []() { |
642 | #ifdef HAVE_SYSTEMD | |
643 | sd_notify(0, "STOPPING=1"); | |
a227f47d RG |
644 | #endif /* HAVE_SYSTEMD */ |
645 | #if 0 | |
646 | // Useful for debugging leaks, but might lead to race under load | |
647 | // since other threads are still runing. | |
648 | for(auto& frontend : g_tlslocals) { | |
649 | frontend->cleanup(); | |
650 | } | |
651 | g_tlslocals.clear(); | |
652 | #ifdef HAVE_PROTOBUF | |
653 | google::protobuf::ShutdownProtobufLibrary(); | |
654 | #endif /* HAVE_PROTOBUF */ | |
655 | #endif /* 0 */ | |
6ab65223 PL |
656 | _exit(0); |
657 | } ); | |
df111b53 | 658 | |
7f768697 CHB |
659 | typedef std::unordered_map<std::string, boost::variant<bool, std::string> > showserversopts_t; |
660 | ||
661 | g_lua.writeFunction("showServers", [](boost::optional<showserversopts_t> vars) { | |
f758857a | 662 | setLuaNoSideEffect(); |
7f768697 CHB |
663 | bool showUUIDs = false; |
664 | if (vars) { | |
665 | if (vars->count("showUUIDs")) { | |
666 | showUUIDs = boost::get<bool>((*vars)["showUUIDs"]); | |
667 | } | |
df111b53 | 668 | } |
7f768697 CHB |
669 | try { |
670 | ostringstream ret; | |
671 | boost::format fmt; | |
672 | if (showUUIDs) { | |
673 | 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$11d %14%" ); | |
674 | // 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
675 | ret << (fmt % "#" % "Name" % "Address" % "State" % "Qps" % "Qlim" % "Ord" % "Wt" % "Queries" % "Drops" % "Drate" % "Lat" % "Outstanding" % "Pools" % "UUID") << endl; | |
676 | } else { | |
677 | fmt = boost::format("%1$-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%" ); | |
678 | ret << (fmt % "#" % "Name" % "Address" % "State" % "Qps" % "Qlim" % "Ord" % "Wt" % "Queries" % "Drops" % "Drate" % "Lat" % "Outstanding" % "Pools") << endl; | |
679 | } | |
df111b53 | 680 | |
7f768697 CHB |
681 | uint64_t totQPS{0}, totQueries{0}, totDrops{0}; |
682 | int counter=0; | |
683 | auto states = g_dstates.getLocal(); | |
684 | for(const auto& s : *states) { | |
685 | string status = s->getStatus(); | |
686 | string pools; | |
687 | for(auto& p : s->pools) { | |
688 | if(!pools.empty()) | |
689 | pools+=" "; | |
690 | pools+=p; | |
691 | } | |
692 | if (showUUIDs) { | |
be05aa91 | 693 | ret << (fmt % counter % s->getName() % s->remote.toStringWithPort() % |
7f768697 CHB |
694 | status % |
695 | 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; | |
696 | } else { | |
be05aa91 | 697 | ret << (fmt % counter % s->getName() % s->remote.toStringWithPort() % |
7f768697 CHB |
698 | status % |
699 | 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; | |
700 | } | |
701 | totQPS += s->queryLoad; | |
702 | totQueries += s->queries.load(); | |
703 | totDrops += s->reuseds.load(); | |
704 | ++counter; | |
705 | } | |
706 | if (showUUIDs) { | |
707 | ret<< (fmt % "All" % "" % "" % "" | |
708 | % | |
709 | (double)totQPS % "" % "" % "" % totQueries % totDrops % "" % "" % "" % "" % "" ) << endl; | |
710 | } else { | |
711 | ret<< (fmt % "All" % "" % "" % "" | |
712 | % | |
713 | (double)totQPS % "" % "" % "" % totQueries % totDrops % "" % "" % "" % "" ) << endl; | |
714 | } | |
715 | ||
716 | g_outputBuffer=ret.str(); | |
717 | } catch(std::exception& e) { | |
718 | g_outputBuffer=e.what(); | |
719 | throw; | |
720 | } | |
df111b53 | 721 | }); |
722 | ||
6bb38cd6 RG |
723 | g_lua.writeFunction("getServers", []() { |
724 | setLuaNoSideEffect(); | |
725 | vector<pair<int, std::shared_ptr<DownstreamState> > > ret; | |
726 | int count=1; | |
727 | for(const auto& s : g_dstates.getCopy()) { | |
728 | ret.push_back(make_pair(count++, s)); | |
729 | } | |
730 | return ret; | |
8499caaf | 731 | }); |
e27097e4 | 732 | |
6bb38cd6 RG |
733 | g_lua.writeFunction("getPoolServers", [](string pool) { |
734 | return getDownstreamCandidates(g_pools.getCopy(), pool); | |
b1bec9f0 RG |
735 | }); |
736 | ||
adfdcc4b RG |
737 | g_lua.writeFunction("getServer", [client](boost::variant<unsigned int, std::string> i) { |
738 | if (client) { | |
6bb38cd6 | 739 | return std::make_shared<DownstreamState>(ComboAddress()); |
adfdcc4b RG |
740 | } |
741 | auto states = g_dstates.getCopy(); | |
742 | if (auto str = boost::get<std::string>(&i)) { | |
743 | const auto uuid = getUniqueID(*str); | |
744 | for (auto& state : states) { | |
745 | if (state->id == uuid) { | |
746 | return state; | |
747 | } | |
748 | } | |
749 | } | |
750 | else if (auto pos = boost::get<unsigned int>(&i)) { | |
751 | return states.at(*pos); | |
752 | } | |
753 | ||
754 | g_outputBuffer = "Error: no rule matched\n"; | |
755 | return std::shared_ptr<DownstreamState>(nullptr); | |
731774a8 | 756 | }); |
757 | ||
6bb38cd6 | 758 | g_lua.writeFunction("carbonServer", [](const std::string& address, boost::optional<string> ourName, |
48341d8f | 759 | boost::optional<unsigned int> interval, boost::optional<string> namespace_name, |
f7a645ec RG |
760 | boost::optional<string> instance_name) { |
761 | setLuaSideEffect(); | |
762 | auto ours = g_carbon.getCopy(); | |
763 | ours.push_back({ | |
764 | ComboAddress(address, 2003), | |
765 | (namespace_name && !namespace_name->empty()) ? *namespace_name : "dnsdist", | |
766 | ourName ? *ourName : "", | |
767 | (instance_name && !instance_name->empty()) ? *instance_name : "main" , | |
768 | interval ? *interval : 30 | |
769 | }); | |
770 | g_carbon.setState(ours); | |
771 | }); | |
87c605c4 | 772 | |
203b5348 | 773 | 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 | 774 | setLuaSideEffect(); |
59b364f3 RG |
775 | ComboAddress local; |
776 | try { | |
777 | local = ComboAddress(address); | |
778 | } | |
779 | catch (const PDNSException& e) { | |
780 | throw std::runtime_error(std::string("Error parsing the bind address for the webserver: ") + e.reason); | |
781 | } | |
782 | ||
203b5348 | 783 | if (client || configCheck) { |
59b364f3 RG |
784 | return; |
785 | } | |
786 | ||
6bb38cd6 RG |
787 | try { |
788 | int sock = SSocket(local.sin4.sin_family, SOCK_STREAM, 0); | |
789 | SSetsockopt(sock, SOL_SOCKET, SO_REUSEADDR, 1); | |
790 | SBind(sock, local); | |
791 | SListen(sock, 5); | |
792 | auto launch=[sock, local, password, apiKey, customHeaders]() { | |
32c97b56 CHB |
793 | setWebserverPassword(password); |
794 | setWebserverAPIKey(apiKey); | |
795 | setWebserverCustomHeaders(customHeaders); | |
80dbd7d2 | 796 | thread t(dnsdistWebserverThread, sock, local); |
6bb38cd6 RG |
797 | t.detach(); |
798 | }; | |
799 | if(g_launchWork) | |
800 | g_launchWork->push_back(launch); | |
801 | else | |
802 | launch(); | |
731774a8 | 803 | } |
804 | catch(std::exception& e) { | |
6bb38cd6 RG |
805 | g_outputBuffer="Unable to bind to webserver socket on " + local.toStringWithPort() + ": " + e.what(); |
806 | errlog("Unable to bind to webserver socket on %s: %s", local.toStringWithPort(), e.what()); | |
731774a8 | 807 | } |
731774a8 | 808 | |
809 | }); | |
810 | ||
32c97b56 CHB |
811 | typedef std::unordered_map<std::string, boost::variant<std::string, std::map<std::string, std::string>> > webserveropts_t; |
812 | ||
813 | g_lua.writeFunction("setWebserverConfig", [](boost::optional<webserveropts_t> vars) { | |
80dbd7d2 | 814 | setLuaSideEffect(); |
32c97b56 CHB |
815 | |
816 | if (!vars) { | |
817 | return ; | |
818 | } | |
819 | if(vars->count("password")) { | |
820 | const std::string password = boost::get<std::string>(vars->at("password")); | |
821 | ||
822 | setWebserverPassword(password); | |
823 | } | |
824 | if(vars->count("apiKey")) { | |
32c97b56 CHB |
825 | const std::string apiKey = boost::get<std::string>(vars->at("apiKey")); |
826 | ||
827 | setWebserverAPIKey(apiKey); | |
828 | } | |
829 | if(vars->count("customHeaders")) { | |
830 | const boost::optional<std::map<std::string, std::string> > headers = boost::get<std::map<std::string, std::string> >(vars->at("customHeaders")); | |
831 | ||
832 | setWebserverCustomHeaders(headers); | |
833 | } | |
80dbd7d2 CHB |
834 | }); |
835 | ||
203b5348 | 836 | g_lua.writeFunction("controlSocket", [client,configCheck](const std::string& str) { |
87c605c4 | 837 | setLuaSideEffect(); |
6bb38cd6 | 838 | ComboAddress local(str, 5199); |
832c1792 | 839 | |
203b5348 | 840 | if(client || configCheck) { |
6bb38cd6 | 841 | g_serverControl = local; |
87c605c4 RG |
842 | return; |
843 | } | |
731774a8 | 844 | |
9c9b4998 RG |
845 | g_consoleEnabled = true; |
846 | #ifdef HAVE_LIBSODIUM | |
847 | if (g_configurationDone && g_consoleKey.empty()) { | |
848 | 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"); | |
849 | } | |
850 | #endif | |
851 | ||
6bb38cd6 RG |
852 | try { |
853 | int sock = SSocket(local.sin4.sin_family, SOCK_STREAM, 0); | |
854 | SSetsockopt(sock, SOL_SOCKET, SO_REUSEADDR, 1); | |
855 | SBind(sock, local); | |
856 | SListen(sock, 5); | |
857 | auto launch=[sock, local]() { | |
858 | thread t(controlThread, sock, local); | |
859 | t.detach(); | |
860 | }; | |
861 | if(g_launchWork) | |
862 | g_launchWork->push_back(launch); | |
863 | else | |
864 | launch(); | |
ae3dfa48 | 865 | |
6bb38cd6 RG |
866 | } |
867 | catch(std::exception& e) { | |
868 | g_outputBuffer="Unable to bind to control socket on " + local.toStringWithPort() + ": " + e.what(); | |
869 | errlog("Unable to bind to control socket on %s: %s", local.toStringWithPort(), e.what()); | |
870 | } | |
63beb26d G |
871 | }); |
872 | ||
b5521206 RG |
873 | g_lua.writeFunction("addConsoleACL", [](const std::string& netmask) { |
874 | setLuaSideEffect(); | |
875 | #ifndef HAVE_LIBSODIUM | |
876 | warnlog("Allowing remote access to the console while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
877 | #endif | |
878 | ||
879 | g_consoleACL.modify([netmask](NetmaskGroup& nmg) { nmg.addMask(netmask); }); | |
880 | }); | |
881 | ||
882 | g_lua.writeFunction("setConsoleACL", [](boost::variant<string,vector<pair<int, string>>> inp) { | |
883 | setLuaSideEffect(); | |
884 | ||
885 | #ifndef HAVE_LIBSODIUM | |
886 | warnlog("Allowing remote access to the console while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
887 | #endif | |
888 | ||
889 | NetmaskGroup nmg; | |
890 | if(auto str = boost::get<string>(&inp)) { | |
891 | nmg.addMask(*str); | |
892 | } | |
893 | else for(const auto& p : boost::get<vector<pair<int,string>>>(inp)) { | |
894 | nmg.addMask(p.second); | |
895 | } | |
896 | g_consoleACL.setState(nmg); | |
897 | }); | |
898 | ||
899 | g_lua.writeFunction("showConsoleACL", []() { | |
900 | setLuaNoSideEffect(); | |
901 | ||
902 | #ifndef HAVE_LIBSODIUM | |
903 | warnlog("Allowing remote access to the console while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
904 | #endif | |
905 | ||
906 | vector<string> vec; | |
907 | g_consoleACL.getLocal()->toStringVector(&vec); | |
908 | ||
909 | for(const auto& s : vec) { | |
910 | g_outputBuffer += s + "\n"; | |
911 | } | |
912 | }); | |
913 | ||
6bb38cd6 RG |
914 | g_lua.writeFunction("clearQueryCounters", []() { |
915 | unsigned int size{0}; | |
916 | { | |
917 | WriteLock wl(&g_qcount.queryLock); | |
918 | size = g_qcount.records.size(); | |
919 | g_qcount.records.clear(); | |
920 | } | |
6eecd4c2 | 921 | |
6bb38cd6 RG |
922 | boost::format fmt("%d records cleared from query counter buffer\n"); |
923 | g_outputBuffer = (fmt % size).str(); | |
2332b03c | 924 | }); |
925 | ||
6bb38cd6 RG |
926 | g_lua.writeFunction("getQueryCounters", [](boost::optional<unsigned int> optMax) { |
927 | setLuaNoSideEffect(); | |
928 | ReadLock rl(&g_qcount.queryLock); | |
929 | g_outputBuffer = "query counting is currently: "; | |
930 | g_outputBuffer+= g_qcount.enabled ? "enabled" : "disabled"; | |
931 | g_outputBuffer+= (boost::format(" (%d records in buffer)\n") % g_qcount.records.size()).str(); | |
f39b7598 | 932 | |
6bb38cd6 RG |
933 | boost::format fmt("%-3d %s: %d request(s)\n"); |
934 | QueryCountRecords::iterator it; | |
935 | unsigned int max = optMax ? *optMax : 10; | |
936 | unsigned int index{1}; | |
937 | for(it = g_qcount.records.begin(); it != g_qcount.records.end() && index <= max; ++it, ++index) { | |
938 | g_outputBuffer += (fmt % index % it->first % it->second).str(); | |
939 | } | |
808c5ef7 | 940 | }); |
941 | ||
6bb38cd6 | 942 | g_lua.writeFunction("setQueryCount", [](bool enabled) { g_qcount.enabled=enabled; }); |
ae3dfa48 | 943 | |
6bb38cd6 RG |
944 | g_lua.writeFunction("setQueryCountFilter", [](QueryCountFilter func) { |
945 | g_qcount.filter = func; | |
886e2cf2 RG |
946 | }); |
947 | ||
6bb38cd6 RG |
948 | g_lua.writeFunction("makeKey", []() { |
949 | setLuaNoSideEffect(); | |
950 | g_outputBuffer="setKey("+newKey()+")\n"; | |
6bba426c | 951 | }); |
952 | ||
6bb38cd6 | 953 | g_lua.writeFunction("setKey", [](const std::string& key) { |
b5521206 | 954 | if(!g_configurationDone && ! g_consoleKey.empty()) { // this makes sure the commandline -k key prevails over dnsdist.conf |
6bb38cd6 RG |
955 | return; // but later setKeys() trump the -k value again |
956 | } | |
b5521206 RG |
957 | #ifndef HAVE_LIBSODIUM |
958 | warnlog("Calling setKey() while libsodium support has not been enabled is not secure, and will result in cleartext communications"); | |
959 | #endif | |
6bba426c | 960 | |
6bb38cd6 RG |
961 | setLuaSideEffect(); |
962 | string newkey; | |
963 | if(B64Decode(key, newkey) < 0) { | |
964 | g_outputBuffer=string("Unable to decode ")+key+" as Base64"; | |
965 | errlog("%s", g_outputBuffer); | |
966 | } | |
2332b03c | 967 | else |
b5521206 | 968 | g_consoleKey=newkey; |
2332b03c | 969 | }); |
970 | ||
6bb38cd6 RG |
971 | g_lua.writeFunction("testCrypto", [](boost::optional<string> optTestMsg) |
972 | { | |
973 | setLuaNoSideEffect(); | |
974 | #ifdef HAVE_LIBSODIUM | |
975 | try { | |
976 | string testmsg; | |
2332b03c | 977 | |
6bb38cd6 RG |
978 | if (optTestMsg) { |
979 | testmsg = *optTestMsg; | |
980 | } | |
981 | else { | |
982 | testmsg = "testStringForCryptoTests"; | |
983 | } | |
6eecd4c2 | 984 | |
6bb38cd6 RG |
985 | SodiumNonce sn, sn2; |
986 | sn.init(); | |
987 | sn2=sn; | |
b5521206 RG |
988 | string encrypted = sodEncryptSym(testmsg, g_consoleKey, sn); |
989 | string decrypted = sodDecryptSym(encrypted, g_consoleKey, sn2); | |
4ed8dfeb | 990 | |
6bb38cd6 RG |
991 | sn.increment(); |
992 | sn2.increment(); | |
b7860997 | 993 | |
b5521206 RG |
994 | encrypted = sodEncryptSym(testmsg, g_consoleKey, sn); |
995 | decrypted = sodDecryptSym(encrypted, g_consoleKey, sn2); | |
36da3ecd | 996 | |
6bb38cd6 RG |
997 | if(testmsg == decrypted) |
998 | g_outputBuffer="Everything is ok!\n"; | |
999 | else | |
c29bf3df RG |
1000 | g_outputBuffer="Crypto failed.. (the decoded value does not match the cleartext one)\n"; |
1001 | } | |
1002 | catch(const std::exception& e) { | |
1003 | g_outputBuffer="Crypto failed: "+std::string(e.what())+"\n"; | |
6bb38cd6 RG |
1004 | } |
1005 | catch(...) { | |
1006 | g_outputBuffer="Crypto failed..\n"; | |
1007 | } | |
1008 | #else | |
1009 | g_outputBuffer="Crypto not available.\n"; | |
1010 | #endif | |
1011 | }); | |
b7860997 | 1012 | |
6bb38cd6 | 1013 | g_lua.writeFunction("setTCPRecvTimeout", [](int timeout) { g_tcpRecvTimeout=timeout; }); |
89cb6f9a | 1014 | |
6bb38cd6 | 1015 | g_lua.writeFunction("setTCPSendTimeout", [](int timeout) { g_tcpSendTimeout=timeout; }); |
89cb6f9a | 1016 | |
6bb38cd6 | 1017 | g_lua.writeFunction("setUDPTimeout", [](int timeout) { g_udpTimeout=timeout; }); |
d3826006 | 1018 | |
6bb38cd6 RG |
1019 | g_lua.writeFunction("setMaxUDPOutstanding", [](uint16_t max) { |
1020 | if (!g_configurationDone) { | |
1021 | g_maxOutstanding = max; | |
1022 | } else { | |
1023 | g_outputBuffer="Max UDP outstanding cannot be altered at runtime!\n"; | |
b7860997 | 1024 | } |
55baa1f2 RG |
1025 | }); |
1026 | ||
6bb38cd6 RG |
1027 | g_lua.writeFunction("setMaxTCPClientThreads", [](uint64_t max) { |
1028 | if (!g_configurationDone) { | |
1029 | g_maxTCPClientThreads = max; | |
1030 | } else { | |
1031 | g_outputBuffer="Maximum TCP client threads count cannot be altered at runtime!\n"; | |
1032 | } | |
55baa1f2 RG |
1033 | }); |
1034 | ||
6bb38cd6 RG |
1035 | g_lua.writeFunction("setMaxTCPQueuedConnections", [](uint64_t max) { |
1036 | if (!g_configurationDone) { | |
1037 | g_maxTCPQueuedConnections = max; | |
1038 | } else { | |
1039 | g_outputBuffer="The maximum number of queued TCP connections cannot be altered at runtime!\n"; | |
1040 | } | |
55baa1f2 RG |
1041 | }); |
1042 | ||
6bb38cd6 RG |
1043 | g_lua.writeFunction("setMaxTCPQueriesPerConnection", [](size_t max) { |
1044 | if (!g_configurationDone) { | |
1045 | g_maxTCPQueriesPerConn = max; | |
1046 | } else { | |
1047 | g_outputBuffer="The maximum number of queries per TCP connection cannot be altered at runtime!\n"; | |
1048 | } | |
57c61ce9 RG |
1049 | }); |
1050 | ||
6bb38cd6 RG |
1051 | g_lua.writeFunction("setMaxTCPConnectionsPerClient", [](size_t max) { |
1052 | if (!g_configurationDone) { | |
1053 | g_maxTCPConnectionsPerClient = max; | |
1054 | } else { | |
1055 | g_outputBuffer="The maximum number of TCP connection per client cannot be altered at runtime!\n"; | |
1056 | } | |
57c61ce9 RG |
1057 | }); |
1058 | ||
6bb38cd6 RG |
1059 | g_lua.writeFunction("setMaxTCPConnectionDuration", [](size_t max) { |
1060 | if (!g_configurationDone) { | |
1061 | g_maxTCPConnectionDuration = max; | |
1062 | } else { | |
1063 | g_outputBuffer="The maximum duration of a TCP connection cannot be altered at runtime!\n"; | |
1064 | } | |
788c3243 RG |
1065 | }); |
1066 | ||
6bb38cd6 | 1067 | g_lua.writeFunction("setCacheCleaningDelay", [](uint32_t delay) { g_cacheCleaningDelay = delay; }); |
0570f37c | 1068 | |
6bb38cd6 | 1069 | g_lua.writeFunction("setCacheCleaningPercentage", [](uint16_t percentage) { if (percentage < 100) g_cacheCleaningPercentage = percentage; else g_cacheCleaningPercentage = 100; }); |
0570f37c | 1070 | |
6bb38cd6 | 1071 | g_lua.writeFunction("setECSSourcePrefixV4", [](uint16_t prefix) { g_ECSSourcePrefixV4=prefix; }); |
f39b7598 | 1072 | |
6bb38cd6 | 1073 | g_lua.writeFunction("setECSSourcePrefixV6", [](uint16_t prefix) { g_ECSSourcePrefixV6=prefix; }); |
0570f37c | 1074 | |
6bb38cd6 | 1075 | g_lua.writeFunction("setECSOverride", [](bool override) { g_ECSOverride=override; }); |
df111b53 | 1076 | |
53c57da7 RG |
1077 | g_lua.writeFunction("setPreserveTrailingData", [](bool preserve) { g_preserveTrailingData = preserve; }); |
1078 | ||
6bb38cd6 RG |
1079 | g_lua.writeFunction("showDynBlocks", []() { |
1080 | setLuaNoSideEffect(); | |
1081 | auto slow = g_dynblockNMG.getCopy(); | |
1082 | struct timespec now; | |
1083 | gettime(&now); | |
1d3ba133 RG |
1084 | boost::format fmt("%-24s %8d %8d %-10s %-20s %s\n"); |
1085 | g_outputBuffer = (fmt % "What" % "Seconds" % "Blocks" % "Warning" % "Action" % "Reason").str(); | |
6bb38cd6 | 1086 | for(const auto& e: slow) { |
7c888097 SB |
1087 | if(now < e.second.until) |
1088 | 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 |
1089 | } |
1090 | auto slow2 = g_dynblockSMT.getCopy(); | |
1091 | slow2.visit([&now, &fmt](const SuffixMatchTree<DynBlock>& node) { | |
1092 | if(now <node.d_value.until) { | |
1093 | string dom("empty"); | |
1094 | if(!node.d_value.domain.empty()) | |
1095 | dom = node.d_value.domain.toString(); | |
1d3ba133 | 1096 | 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 |
1097 | } |
1098 | }); | |
832c1792 | 1099 | |
520eb5a0 | 1100 | }); |
df111b53 | 1101 | |
6bb38cd6 | 1102 | g_lua.writeFunction("clearDynBlocks", []() { |
f758857a | 1103 | setLuaSideEffect(); |
6bb38cd6 RG |
1104 | nmts_t nmg; |
1105 | g_dynblockNMG.setState(nmg); | |
1106 | SuffixMatchTree<DynBlock> smt; | |
1107 | g_dynblockSMT.setState(smt); | |
1108 | }); | |
1109 | ||
1110 | g_lua.writeFunction("addDynBlocks", | |
f8327125 | 1111 | [](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 |
1112 | if (m.empty()) { |
1113 | return; | |
1114 | } | |
6bb38cd6 RG |
1115 | setLuaSideEffect(); |
1116 | auto slow = g_dynblockNMG.getCopy(); | |
1117 | struct timespec until, now; | |
1118 | gettime(&now); | |
1119 | until=now; | |
1120 | int actualSeconds = seconds ? *seconds : 10; | |
1121 | until.tv_sec += actualSeconds; | |
1122 | for(const auto& capair : m) { | |
1123 | unsigned int count = 0; | |
1124 | auto got = slow.lookup(Netmask(capair.first)); | |
1125 | bool expired=false; | |
1126 | if(got) { | |
1127 | if(until < got->second.until) // had a longer policy | |
1128 | continue; | |
1129 | if(now < got->second.until) // only inherit count on fresh query we are extending | |
1130 | count=got->second.blocks; | |
1131 | else | |
1132 | expired=true; | |
1133 | } | |
1134 | DynBlock db{msg,until,DNSName(),(action ? *action : DNSAction::Action::None)}; | |
1135 | db.blocks=count; | |
1136 | if(!got || expired) | |
1137 | warnlog("Inserting dynamic block for %s for %d seconds: %s", capair.first.toString(), actualSeconds, msg); | |
1138 | slow.insert(Netmask(capair.first)).second=db; | |
1139 | } | |
1140 | g_dynblockNMG.setState(slow); | |
1141 | }); | |
1142 | ||
1143 | g_lua.writeFunction("addDynBlockSMT", | |
1144 | [](const vector<pair<unsigned int, string> >&names, const std::string& msg, boost::optional<int> seconds, boost::optional<DNSAction::Action> action) { | |
6ddb008a RG |
1145 | if (names.empty()) { |
1146 | return; | |
1147 | } | |
6bb38cd6 RG |
1148 | setLuaSideEffect(); |
1149 | auto slow = g_dynblockSMT.getCopy(); | |
1150 | struct timespec until, now; | |
1151 | gettime(&now); | |
1152 | until=now; | |
1153 | int actualSeconds = seconds ? *seconds : 10; | |
1154 | until.tv_sec += actualSeconds; | |
1155 | ||
1156 | for(const auto& capair : names) { | |
1157 | unsigned int count = 0; | |
1158 | DNSName domain(capair.second); | |
86df840d | 1159 | domain.makeUsLowerCase(); |
6bb38cd6 RG |
1160 | auto got = slow.lookup(domain); |
1161 | bool expired=false; | |
1162 | if(got) { | |
1163 | if(until < got->until) // had a longer policy | |
1164 | continue; | |
1165 | if(now < got->until) // only inherit count on fresh query we are extending | |
1166 | count=got->blocks; | |
1167 | else | |
1168 | expired=true; | |
1169 | } | |
1170 | ||
1171 | DynBlock db{msg,until,domain,(action ? *action : DNSAction::Action::None)}; | |
1172 | db.blocks=count; | |
1173 | if(!got || expired) | |
1174 | warnlog("Inserting dynamic block for %s for %d seconds: %s", domain, actualSeconds, msg); | |
1175 | slow.add(domain, db); | |
1176 | } | |
1177 | g_dynblockSMT.setState(slow); | |
1178 | }); | |
1179 | ||
1180 | g_lua.writeFunction("setDynBlocksAction", [](DNSAction::Action action) { | |
1181 | if (!g_configurationDone) { | |
3d60b39a | 1182 | 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 |
1183 | g_dynBlockAction = action; |
1184 | } | |
1185 | else { | |
3d60b39a | 1186 | errlog("Dynamic blocks action can only be Drop, NoOp, NXDomain, Refused, Truncate or NoRecurse!"); |
1187 | g_outputBuffer="Dynamic blocks action can only be Drop, NoOp, NXDomain, Refused, Truncate or NoRecurse!\n"; | |
6bb38cd6 RG |
1188 | } |
1189 | } else { | |
1190 | g_outputBuffer="Dynamic blocks action cannot be altered at runtime!\n"; | |
1191 | } | |
df111b53 | 1192 | }); |
832c1792 | 1193 | |
37b6d73d | 1194 | 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 |
1195 | if (g_configurationDone) { |
1196 | g_outputBuffer="addDNSCryptBind cannot be used at runtime!\n"; | |
1197 | return; | |
1198 | } | |
1199 | #ifdef HAVE_DNSCRYPT | |
6bb38cd6 RG |
1200 | bool reusePort = false; |
1201 | int tcpFastOpenQueueSize = 0; | |
1202 | std::string interface; | |
1203 | std::set<int> cpus; | |
37b6d73d | 1204 | std::vector<DNSCryptContext::CertKeyPaths> certKeys; |
df111b53 | 1205 | |
0230e350 | 1206 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
df111b53 | 1207 | |
37b6d73d RG |
1208 | if (certFiles.type() == typeid(std::string) && keyFiles.type() == typeid(std::string)) { |
1209 | auto certFile = boost::get<std::string>(certFiles); | |
1210 | auto keyFile = boost::get<std::string>(keyFiles); | |
1211 | certKeys.push_back({certFile, keyFile}); | |
1212 | } | |
1213 | else if (certFiles.type() == typeid(std::vector<std::pair<int,std::string>>) && keyFiles.type() == typeid(std::vector<std::pair<int,std::string>>)) { | |
1214 | auto certFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(certFiles); | |
1215 | auto keyFilesVect = boost::get<std::vector<std::pair<int,std::string>>>(keyFiles); | |
1216 | if (certFilesVect.size() == keyFilesVect.size()) { | |
1217 | for (size_t idx = 0; idx < certFilesVect.size(); idx++) { | |
1218 | certKeys.push_back({certFilesVect.at(idx).second, keyFilesVect.at(idx).second}); | |
1219 | } | |
1220 | } | |
1221 | else { | |
1222 | errlog("Error, mismatching number of certificates and keys in call to addDNSCryptBind!"); | |
1223 | g_outputBuffer="Error, mismatching number of certificates and keys in call to addDNSCryptBind()!"; | |
1224 | return; | |
1225 | } | |
1226 | } | |
1227 | else { | |
1228 | errlog("Error, mismatching number of certificates and keys in call to addDNSCryptBind()!"); | |
1229 | g_outputBuffer="Error, mismatching number of certificates and keys in call to addDNSCryptBind()!"; | |
1230 | return; | |
1231 | } | |
1232 | ||
6bb38cd6 | 1233 | try { |
37b6d73d | 1234 | auto ctx = std::make_shared<DNSCryptContext>(providerName, certKeys); |
6e9fd124 RG |
1235 | |
1236 | /* UDP */ | |
1237 | auto cs = std::unique_ptr<ClientState>(new ClientState(ComboAddress(addr, 443), false, reusePort, tcpFastOpenQueueSize, interface, cpus)); | |
1238 | cs->dnscryptCtx = ctx; | |
1239 | g_dnsCryptLocals.push_back(ctx); | |
1240 | g_frontends.push_back(std::move(cs)); | |
1241 | ||
1242 | /* TCP */ | |
1243 | cs = std::unique_ptr<ClientState>(new ClientState(ComboAddress(addr, 443), true, reusePort, tcpFastOpenQueueSize, interface, cpus)); | |
1244 | cs->dnscryptCtx = ctx; | |
1245 | g_frontends.push_back(std::move(cs)); | |
df111b53 | 1246 | } |
6bb38cd6 RG |
1247 | catch(std::exception& e) { |
1248 | errlog(e.what()); | |
1249 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
1250 | } | |
1251 | #else | |
1252 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1253 | #endif | |
4d5959e6 | 1254 | |
df111b53 | 1255 | }); |
1256 | ||
6bb38cd6 | 1257 | g_lua.writeFunction("showDNSCryptBinds", []() { |
f758857a | 1258 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1259 | #ifdef HAVE_DNSCRYPT |
1260 | ostringstream ret; | |
43234e76 RG |
1261 | boost::format fmt("%1$-3d %2% %|25t|%3$-20.20s"); |
1262 | ret << (fmt % "#" % "Address" % "Provider Name") << endl; | |
6bb38cd6 RG |
1263 | size_t idx = 0; |
1264 | ||
26438bc9 | 1265 | std::unordered_set<std::shared_ptr<DNSCryptContext>> contexts; |
6e9fd124 RG |
1266 | for (const auto& frontend : g_frontends) { |
1267 | const std::shared_ptr<DNSCryptContext> ctx = frontend->dnscryptCtx; | |
26438bc9 | 1268 | if (!ctx || contexts.count(ctx) != 0) { |
a6544e62 RG |
1269 | continue; |
1270 | } | |
26438bc9 | 1271 | contexts.insert(ctx); |
6e9fd124 | 1272 | ret<< (fmt % idx % frontend->local.toStringWithPort() % ctx->getProviderName()) << endl; |
6bb38cd6 | 1273 | idx++; |
df111b53 | 1274 | } |
df111b53 | 1275 | |
6bb38cd6 RG |
1276 | g_outputBuffer=ret.str(); |
1277 | #else | |
1278 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1279 | #endif | |
886e2cf2 | 1280 | }); |
df111b53 | 1281 | |
43234e76 | 1282 | g_lua.writeFunction("getDNSCryptBind", [](size_t idx) { |
6bb38cd6 RG |
1283 | setLuaNoSideEffect(); |
1284 | #ifdef HAVE_DNSCRYPT | |
43234e76 | 1285 | std::shared_ptr<DNSCryptContext> ret = nullptr; |
6bb38cd6 | 1286 | if (idx < g_dnsCryptLocals.size()) { |
6e9fd124 | 1287 | ret = g_dnsCryptLocals.at(idx); |
d92708ed | 1288 | } |
6bb38cd6 RG |
1289 | return ret; |
1290 | #else | |
1291 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1292 | #endif | |
d92708ed RG |
1293 | }); |
1294 | ||
265260f5 RG |
1295 | g_lua.writeFunction("getDNSCryptBindCount", []() { |
1296 | setLuaNoSideEffect(); | |
1297 | return g_dnsCryptLocals.size(); | |
1298 | }); | |
1299 | ||
203b5348 | 1300 | g_lua.writeFunction("generateDNSCryptProviderKeys", [client](const std::string& publicKeyFile, const std::string privateKeyFile) { |
6bb38cd6 RG |
1301 | setLuaNoSideEffect(); |
1302 | #ifdef HAVE_DNSCRYPT | |
203b5348 RG |
1303 | if (client) { |
1304 | return; | |
1305 | } | |
6bb38cd6 RG |
1306 | unsigned char publicKey[DNSCRYPT_PROVIDER_PUBLIC_KEY_SIZE]; |
1307 | unsigned char privateKey[DNSCRYPT_PROVIDER_PRIVATE_KEY_SIZE]; | |
1308 | sodium_mlock(privateKey, sizeof(privateKey)); | |
4c6f4321 | 1309 | |
6bb38cd6 | 1310 | try { |
43234e76 | 1311 | DNSCryptContext::generateProviderKeys(publicKey, privateKey); |
4c6f4321 | 1312 | |
6bb38cd6 RG |
1313 | ofstream pubKStream(publicKeyFile); |
1314 | pubKStream.write((char*) publicKey, sizeof(publicKey)); | |
1315 | pubKStream.close(); | |
df111b53 | 1316 | |
6bb38cd6 RG |
1317 | ofstream privKStream(privateKeyFile); |
1318 | privKStream.write((char*) privateKey, sizeof(privateKey)); | |
1319 | privKStream.close(); | |
df111b53 | 1320 | |
43234e76 | 1321 | g_outputBuffer="Provider fingerprint is: " + DNSCryptContext::getProviderFingerprint(publicKey) + "\n"; |
6bb38cd6 RG |
1322 | } |
1323 | catch(std::exception& e) { | |
1324 | errlog(e.what()); | |
1325 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
1326 | } | |
df111b53 | 1327 | |
6bb38cd6 RG |
1328 | sodium_memzero(privateKey, sizeof(privateKey)); |
1329 | sodium_munlock(privateKey, sizeof(privateKey)); | |
1330 | #else | |
1331 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1332 | #endif | |
aeb36780 RG |
1333 | }); |
1334 | ||
6bb38cd6 RG |
1335 | g_lua.writeFunction("printDNSCryptProviderFingerprint", [](const std::string& publicKeyFile) { |
1336 | setLuaNoSideEffect(); | |
1337 | #ifdef HAVE_DNSCRYPT | |
1338 | unsigned char publicKey[DNSCRYPT_PROVIDER_PUBLIC_KEY_SIZE]; | |
aeb36780 | 1339 | |
6bb38cd6 RG |
1340 | try { |
1341 | ifstream file(publicKeyFile); | |
1342 | file.read((char *) &publicKey, sizeof(publicKey)); | |
df111b53 | 1343 | |
6bb38cd6 RG |
1344 | if (file.fail()) |
1345 | throw std::runtime_error("Invalid dnscrypt provider public key file " + publicKeyFile); | |
df111b53 | 1346 | |
6bb38cd6 | 1347 | file.close(); |
43234e76 | 1348 | g_outputBuffer="Provider fingerprint is: " + DNSCryptContext::getProviderFingerprint(publicKey) + "\n"; |
6bb38cd6 RG |
1349 | } |
1350 | catch(std::exception& e) { | |
1351 | errlog(e.what()); | |
1352 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
1353 | } | |
1354 | #else | |
1355 | g_outputBuffer="Error: DNSCrypt support is not enabled.\n"; | |
1356 | #endif | |
df111b53 | 1357 | }); |
1358 | ||
501983cd | 1359 | #ifdef HAVE_DNSCRYPT |
203b5348 | 1360 | 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 | 1361 | setLuaNoSideEffect(); |
203b5348 RG |
1362 | if (client) { |
1363 | return; | |
1364 | } | |
43234e76 RG |
1365 | DNSCryptPrivateKey privateKey; |
1366 | DNSCryptCert cert; | |
42fae326 | 1367 | |
50bed881 | 1368 | try { |
43234e76 | 1369 | if (generateDNSCryptCertificate(providerPrivateKeyFile, serial, begin, end, version ? *version : DNSCryptExchangeVersion::VERSION1, cert, privateKey)) { |
6bb38cd6 | 1370 | privateKey.saveToFile(privateKeyFile); |
43234e76 | 1371 | DNSCryptContext::saveCertFromFile(cert, certificateFile); |
6bb38cd6 | 1372 | } |
50bed881 | 1373 | } |
6bb38cd6 RG |
1374 | catch(const std::exception& e) { |
1375 | errlog(e.what()); | |
1376 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
50bed881 | 1377 | } |
50bed881 | 1378 | }); |
501983cd | 1379 | #endif |
df111b53 | 1380 | |
6bb38cd6 RG |
1381 | g_lua.writeFunction("showPools", []() { |
1382 | setLuaNoSideEffect(); | |
df111b53 | 1383 | try { |
6bb38cd6 RG |
1384 | ostringstream ret; |
1385 | boost::format fmt("%1$-20.20s %|25t|%2$20s %|25t|%3$20s %|50t|%4%" ); | |
1386 | // 1 2 3 4 | |
1387 | ret << (fmt % "Name" % "Cache" % "ServerPolicy" % "Servers" ) << endl; | |
1388 | ||
1389 | const auto localPools = g_pools.getCopy(); | |
1390 | for (const auto& entry : localPools) { | |
1391 | const string& name = entry.first; | |
1392 | const std::shared_ptr<ServerPool> pool = entry.second; | |
1393 | string cache = pool->packetCache != nullptr ? pool->packetCache->toString() : ""; | |
1394 | string policy = g_policy.getLocal()->name; | |
1395 | if (pool->policy != nullptr) { | |
1396 | policy = pool->policy->name; | |
1397 | } | |
1398 | string servers; | |
1399 | ||
a1b1a29d | 1400 | for (const auto& server: pool->getServers()) { |
6bb38cd6 RG |
1401 | if (!servers.empty()) { |
1402 | servers += ", "; | |
1403 | } | |
be05aa91 RG |
1404 | if (!server.second->getName().empty()) { |
1405 | servers += server.second->getName(); | |
6bb38cd6 RG |
1406 | servers += " "; |
1407 | } | |
1408 | servers += server.second->remote.toStringWithPort(); | |
1409 | } | |
1410 | ||
1411 | ret << (fmt % name % cache % policy % servers) << endl; | |
1412 | } | |
1413 | g_outputBuffer=ret.str(); | |
1414 | }catch(std::exception& e) { g_outputBuffer=e.what(); throw; } | |
1415 | }); | |
1416 | ||
1417 | g_lua.writeFunction("getPool", [client](const string& poolName) { | |
1418 | if (client) { | |
1419 | return std::make_shared<ServerPool>(); | |
df111b53 | 1420 | } |
6bb38cd6 RG |
1421 | auto localPools = g_pools.getCopy(); |
1422 | std::shared_ptr<ServerPool> pool = createPoolIfNotExists(localPools, poolName); | |
1423 | g_pools.setState(localPools); | |
1424 | return pool; | |
df111b53 | 1425 | }); |
1426 | ||
6bb38cd6 RG |
1427 | g_lua.writeFunction("setVerboseHealthChecks", [](bool verbose) { g_verboseHealthChecks=verbose; }); |
1428 | g_lua.writeFunction("setStaleCacheEntriesTTL", [](uint32_t ttl) { g_staleCacheEntriesTTL = ttl; }); | |
03ebf8b2 | 1429 | |
6bb38cd6 | 1430 | g_lua.writeFunction("showBinds", []() { |
f758857a | 1431 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1432 | try { |
1433 | ostringstream ret; | |
ba7ec340 | 1434 | boost::format fmt("%1$-3d %2$-20.20s %|35t|%3$-20.20s %|57t|%4%" ); |
6bb38cd6 RG |
1435 | // 1 2 3 4 |
1436 | ret << (fmt % "#" % "Address" % "Protocol" % "Queries" ) << endl; | |
1437 | ||
1438 | size_t counter = 0; | |
1439 | for (const auto& front : g_frontends) { | |
ba7ec340 | 1440 | ret << (fmt % counter % front->local.toStringWithPort() % front->getType() % front->queries) << endl; |
6bb38cd6 | 1441 | counter++; |
0e41337b | 1442 | } |
6bb38cd6 RG |
1443 | g_outputBuffer=ret.str(); |
1444 | }catch(std::exception& e) { g_outputBuffer=e.what(); throw; } | |
0e5b3cff | 1445 | }); |
1446 | ||
6bb38cd6 | 1447 | g_lua.writeFunction("getBind", [](size_t num) { |
f758857a | 1448 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1449 | ClientState* ret = nullptr; |
1450 | if(num < g_frontends.size()) { | |
6e9fd124 | 1451 | ret=g_frontends[num].get(); |
df111b53 | 1452 | } |
df111b53 | 1453 | return ret; |
6bb38cd6 | 1454 | }); |
df111b53 | 1455 | |
265260f5 RG |
1456 | g_lua.writeFunction("getBindCount", []() { |
1457 | setLuaNoSideEffect(); | |
1458 | return g_frontends.size(); | |
1459 | }); | |
1460 | ||
6bb38cd6 RG |
1461 | g_lua.writeFunction("help", [](boost::optional<std::string> command) { |
1462 | setLuaNoSideEffect(); | |
1463 | g_outputBuffer = ""; | |
1464 | for (const auto& keyword : g_consoleKeywords) { | |
1465 | if (!command) { | |
1466 | g_outputBuffer += keyword.toString() + "\n"; | |
1467 | } | |
1468 | else if (keyword.name == command) { | |
1469 | g_outputBuffer = keyword.toString() + "\n"; | |
1470 | return; | |
1471 | } | |
1472 | } | |
1473 | if (command) { | |
1474 | g_outputBuffer = "Nothing found for " + *command + "\n"; | |
786e4d8c | 1475 | } |
786e4d8c | 1476 | }); |
520eb5a0 | 1477 | |
6bb38cd6 | 1478 | g_lua.writeFunction("showVersion", []() { |
786e4d8c | 1479 | setLuaNoSideEffect(); |
6bb38cd6 | 1480 | g_outputBuffer = "dnsdist " + std::string(VERSION) + "\n"; |
786e4d8c RS |
1481 | }); |
1482 | ||
eb0ca460 PL |
1483 | g_lua.writeFunction("showSecurityStatus", []() { |
1484 | setLuaNoSideEffect(); | |
1485 | g_outputBuffer = std::to_string(g_stats.securityStatus) + "\n"; | |
1486 | }); | |
1487 | ||
6bb38cd6 RG |
1488 | #ifdef HAVE_EBPF |
1489 | g_lua.writeFunction("setDefaultBPFFilter", [](std::shared_ptr<BPFFilter> bpf) { | |
1490 | if (g_configurationDone) { | |
1491 | g_outputBuffer="setDefaultBPFFilter() cannot be used at runtime!\n"; | |
1492 | return; | |
1493 | } | |
1494 | g_defaultBPFFilter = bpf; | |
786e4d8c | 1495 | }); |
62edea30 | 1496 | |
6bb38cd6 RG |
1497 | g_lua.writeFunction("registerDynBPFFilter", [](std::shared_ptr<DynBPFFilter> dbpf) { |
1498 | if (dbpf) { | |
1499 | g_dynBPFFilters.push_back(dbpf); | |
520eb5a0 | 1500 | } |
520eb5a0 | 1501 | }); |
f5b58807 | 1502 | |
6bb38cd6 RG |
1503 | g_lua.writeFunction("unregisterDynBPFFilter", [](std::shared_ptr<DynBPFFilter> dbpf) { |
1504 | if (dbpf) { | |
1505 | for (auto it = g_dynBPFFilters.begin(); it != g_dynBPFFilters.end(); it++) { | |
1506 | if (*it == dbpf) { | |
1507 | g_dynBPFFilters.erase(it); | |
1508 | break; | |
1509 | } | |
1510 | } | |
1511 | } | |
2d11d1b2 | 1512 | }); |
df111b53 | 1513 | |
b6ba8123 | 1514 | 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 |
1515 | setLuaSideEffect(); |
1516 | struct timespec until, now; | |
1517 | clock_gettime(CLOCK_MONOTONIC, &now); | |
1518 | until=now; | |
1519 | int actualSeconds = seconds ? *seconds : 10; | |
1520 | until.tv_sec += actualSeconds; | |
1521 | for(const auto& capair : m) { | |
4900be3f RG |
1522 | if (dynbpf->block(capair.first, until)) { |
1523 | warnlog("Inserting eBPF dynamic block for %s for %d seconds: %s", capair.first.toString(), actualSeconds, msg ? *msg : ""); | |
1524 | } | |
6bb38cd6 | 1525 | } |
df111b53 | 1526 | }); |
62edea30 | 1527 | |
6bb38cd6 | 1528 | #endif /* HAVE_EBPF */ |
2d11d1b2 | 1529 | |
6bb38cd6 | 1530 | g_lua.writeFunction<std::unordered_map<string,uint64_t>()>("getStatisticsCounters", []() { |
f758857a | 1531 | setLuaNoSideEffect(); |
6bb38cd6 RG |
1532 | std::unordered_map<string,uint64_t> res; |
1533 | for(const auto& entry : g_stats.entries) { | |
1534 | if(const auto& val = boost::get<DNSDistStats::stat_t*>(&entry.second)) | |
1535 | res[entry.first] = (*val)->load(); | |
df111b53 | 1536 | } |
6bb38cd6 RG |
1537 | return res; |
1538 | }); | |
df111b53 | 1539 | |
6bb38cd6 RG |
1540 | g_lua.writeFunction("includeDirectory", [](const std::string& dirname) { |
1541 | if (g_configurationDone) { | |
1542 | errlog("includeDirectory() cannot be used at runtime!"); | |
1543 | g_outputBuffer="includeDirectory() cannot be used at runtime!\n"; | |
1544 | return; | |
df111b53 | 1545 | } |
1546 | ||
6bb38cd6 RG |
1547 | if (g_included) { |
1548 | errlog("includeDirectory() cannot be used recursively!"); | |
1549 | g_outputBuffer="includeDirectory() cannot be used recursively!\n"; | |
e12b3374 RG |
1550 | return; |
1551 | } | |
1552 | ||
6bb38cd6 RG |
1553 | g_included = true; |
1554 | struct stat st; | |
1555 | if (stat(dirname.c_str(), &st)) { | |
1556 | errlog("The included directory %s does not exist!", dirname.c_str()); | |
1557 | g_outputBuffer="The included directory " + dirname + " does not exist!"; | |
1558 | return; | |
df111b53 | 1559 | } |
df111b53 | 1560 | |
6bb38cd6 RG |
1561 | if (!S_ISDIR(st.st_mode)) { |
1562 | errlog("The included directory %s is not a directory!", dirname.c_str()); | |
1563 | g_outputBuffer="The included directory " + dirname + " is not a directory!"; | |
1564 | return; | |
6f6b4d69 | 1565 | } |
1566 | ||
6bb38cd6 RG |
1567 | DIR *dirp; |
1568 | struct dirent *ent; | |
1569 | std::list<std::string> files; | |
1570 | if (!(dirp = opendir(dirname.c_str()))) { | |
1571 | errlog("Error opening the included directory %s!", dirname.c_str()); | |
1572 | g_outputBuffer="Error opening the included directory " + dirname + "!"; | |
1573 | return; | |
6f6b4d69 | 1574 | } |
df111b53 | 1575 | |
6bb38cd6 RG |
1576 | while((ent = readdir(dirp)) != NULL) { |
1577 | if (ent->d_name[0] == '.') { | |
1578 | continue; | |
1579 | } | |
3f6d07a4 | 1580 | |
6bb38cd6 RG |
1581 | if (boost::ends_with(ent->d_name, ".conf")) { |
1582 | std::ostringstream namebuf; | |
1583 | namebuf << dirname.c_str() << "/" << ent->d_name; | |
2a817e5a | 1584 | |
6bb38cd6 RG |
1585 | if (stat(namebuf.str().c_str(), &st) || !S_ISREG(st.st_mode)) { |
1586 | continue; | |
1587 | } | |
e0b5e49d | 1588 | |
6bb38cd6 RG |
1589 | files.push_back(namebuf.str()); |
1590 | } | |
e41f8165 | 1591 | } |
e41f8165 | 1592 | |
6bb38cd6 RG |
1593 | closedir(dirp); |
1594 | files.sort(); | |
1595 | ||
1596 | for (auto file = files.begin(); file != files.end(); ++file) { | |
1597 | std::ifstream ifs(*file); | |
1598 | if (!ifs) { | |
1599 | warnlog("Unable to read configuration from '%s'", *file); | |
1600 | } else { | |
1601 | vinfolog("Read configuration from '%s'", *file); | |
1602 | } | |
26a6373d | 1603 | |
6bb38cd6 | 1604 | g_lua.executeCode(ifs); |
741ebe08 | 1605 | } |
26a6373d | 1606 | |
6bb38cd6 | 1607 | g_included = false; |
26a6373d SO |
1608 | }); |
1609 | ||
6bb38cd6 RG |
1610 | g_lua.writeFunction("setAPIWritable", [](bool writable, boost::optional<std::string> apiConfigDir) { |
1611 | setLuaSideEffect(); | |
1612 | g_apiReadWrite = writable; | |
1613 | if (apiConfigDir) { | |
1614 | if (!(*apiConfigDir).empty()) { | |
1615 | g_apiConfigDirectory = *apiConfigDir; | |
1616 | } | |
1617 | else { | |
1618 | errlog("The API configuration directory value cannot be empty!"); | |
1619 | g_outputBuffer="The API configuration directory value cannot be empty!"; | |
1620 | } | |
741ebe08 | 1621 | } |
5b8255ba | 1622 | }); |
26a6373d | 1623 | |
6bb38cd6 RG |
1624 | g_lua.writeFunction("setServFailWhenNoServer", [](bool servfail) { |
1625 | setLuaSideEffect(); | |
1626 | g_servFailOnNoPolicy = servfail; | |
1627 | }); | |
26a6373d | 1628 | |
32b86928 RG |
1629 | g_lua.writeFunction("setRoundRobinFailOnNoServer", [](bool fail) { |
1630 | setLuaSideEffect(); | |
1631 | g_roundrobinFailOnNoServer = fail; | |
1632 | }); | |
1633 | ||
2b4287d4 RG |
1634 | g_lua.writeFunction("setConsistentHashingBalancingFactor", [](double factor) { |
1635 | setLuaSideEffect(); | |
80ee5144 RG |
1636 | if (factor >= 0) { |
1637 | g_consistentHashBalancingFactor = factor; | |
1638 | } | |
1639 | else { | |
1640 | errlog("Invalid value passed to setConsistentHashingBalancingFactor()!"); | |
1641 | g_outputBuffer="Invalid value passed to setConsistentHashingBalancingFactor()!\n"; | |
1642 | return; | |
1643 | } | |
2b4287d4 RG |
1644 | }); |
1645 | ||
01f6920b | 1646 | g_lua.writeFunction("setRingBuffersSize", [](size_t capacity, boost::optional<size_t> numberOfShards) { |
6bb38cd6 RG |
1647 | setLuaSideEffect(); |
1648 | if (g_configurationDone) { | |
1649 | errlog("setRingBuffersSize() cannot be used at runtime!"); | |
1650 | g_outputBuffer="setRingBuffersSize() cannot be used at runtime!\n"; | |
1651 | return; | |
5b8255ba | 1652 | } |
01f6920b | 1653 | g_rings.setCapacity(capacity, numberOfShards ? *numberOfShards : 1); |
5b8255ba | 1654 | }); |
26a6373d | 1655 | |
6d31c8b6 RG |
1656 | g_lua.writeFunction("setRingBuffersLockRetries", [](size_t retries) { |
1657 | setLuaSideEffect(); | |
1658 | g_rings.setNumberOfLockRetries(retries); | |
5b8255ba | 1659 | }); |
26a6373d | 1660 | |
6bb38cd6 RG |
1661 | g_lua.writeFunction("setWHashedPertubation", [](uint32_t pertub) { |
1662 | setLuaSideEffect(); | |
1663 | g_hashperturb = pertub; | |
1664 | }); | |
26a6373d | 1665 | |
6bb38cd6 RG |
1666 | g_lua.writeFunction("setTCPUseSinglePipe", [](bool flag) { |
1667 | if (g_configurationDone) { | |
1668 | g_outputBuffer="setTCPUseSinglePipe() cannot be used at runtime!\n"; | |
1669 | return; | |
5b8255ba | 1670 | } |
6bb38cd6 RG |
1671 | setLuaSideEffect(); |
1672 | g_useTCPSinglePipe = flag; | |
5b8255ba | 1673 | }); |
26a6373d | 1674 | |
203b5348 RG |
1675 | g_lua.writeFunction("snmpAgent", [client,configCheck](bool enableTraps, boost::optional<std::string> masterSocket) { |
1676 | if(client || configCheck) | |
cd4bb56b | 1677 | return; |
9f4eb5cc | 1678 | #ifdef HAVE_NET_SNMP |
6bb38cd6 RG |
1679 | if (g_configurationDone) { |
1680 | errlog("snmpAgent() cannot be used at runtime!"); | |
1681 | g_outputBuffer="snmpAgent() cannot be used at runtime!\n"; | |
1682 | return; | |
1683 | } | |
1684 | ||
1685 | if (g_snmpEnabled) { | |
1686 | errlog("snmpAgent() cannot be used twice!"); | |
1687 | g_outputBuffer="snmpAgent() cannot be used twice!\n"; | |
1688 | return; | |
9f4eb5cc | 1689 | } |
6bb38cd6 RG |
1690 | |
1691 | g_snmpEnabled = true; | |
1692 | g_snmpTrapsEnabled = enableTraps; | |
1693 | g_snmpAgent = new DNSDistSNMPAgent("dnsdist", masterSocket ? *masterSocket : std::string()); | |
1694 | #else | |
1695 | errlog("NET SNMP support is required to use snmpAgent()"); | |
1696 | g_outputBuffer="NET SNMP support is required to use snmpAgent()\n"; | |
9f4eb5cc RG |
1697 | #endif /* HAVE_NET_SNMP */ |
1698 | }); | |
497a6e3a | 1699 | |
6bb38cd6 | 1700 | g_lua.writeFunction("sendCustomTrap", [](const std::string& str) { |
9f4eb5cc | 1701 | if (g_snmpAgent && g_snmpTrapsEnabled) { |
6bb38cd6 | 1702 | g_snmpAgent->sendCustomTrap(str); |
9f4eb5cc | 1703 | } |
9f4eb5cc | 1704 | }); |
6beb5731 | 1705 | |
be05aa91 RG |
1706 | g_lua.writeFunction("setServerPolicy", [](ServerPolicy policy) { |
1707 | setLuaSideEffect(); | |
1708 | g_policy.setState(policy); | |
1709 | }); | |
1710 | ||
1711 | g_lua.writeFunction("setServerPolicyLua", [](string name, ServerPolicy::policyfunc_t policy) { | |
1712 | setLuaSideEffect(); | |
1713 | g_policy.setState(ServerPolicy{name, policy, true}); | |
1714 | }); | |
1715 | ||
1716 | g_lua.writeFunction("setServerPolicyLuaFFI", [](string name, ServerPolicy::ffipolicyfunc_t policy) { | |
1717 | setLuaSideEffect(); | |
1718 | auto pol = ServerPolicy(name, policy); | |
1719 | g_policy.setState(std::move(pol)); | |
1720 | }); | |
1721 | ||
1722 | g_lua.writeFunction("showServerPolicy", []() { | |
1723 | setLuaSideEffect(); | |
1724 | g_outputBuffer=g_policy.getLocal()->name+"\n"; | |
1725 | }); | |
1726 | ||
6bb38cd6 RG |
1727 | g_lua.writeFunction("setPoolServerPolicy", [](ServerPolicy policy, string pool) { |
1728 | setLuaSideEffect(); | |
1729 | auto localPools = g_pools.getCopy(); | |
1730 | setPoolPolicy(localPools, pool, std::make_shared<ServerPolicy>(policy)); | |
1731 | g_pools.setState(localPools); | |
6c1ca990 | 1732 | }); |
e41f8165 | 1733 | |
be05aa91 | 1734 | g_lua.writeFunction("setPoolServerPolicyLua", [](string name, ServerPolicy::policyfunc_t policy, string pool) { |
6bb38cd6 RG |
1735 | setLuaSideEffect(); |
1736 | auto localPools = g_pools.getCopy(); | |
a1b1a29d | 1737 | setPoolPolicy(localPools, pool, std::make_shared<ServerPolicy>(ServerPolicy{name, policy, true})); |
6bb38cd6 | 1738 | g_pools.setState(localPools); |
9396d955 RG |
1739 | }); |
1740 | ||
6bb38cd6 RG |
1741 | g_lua.writeFunction("showPoolServerPolicy", [](string pool) { |
1742 | setLuaSideEffect(); | |
1743 | auto localPools = g_pools.getCopy(); | |
1744 | auto poolObj = getPool(localPools, pool); | |
1745 | if (poolObj->policy == nullptr) { | |
1746 | g_outputBuffer=g_policy.getLocal()->name+"\n"; | |
9396d955 | 1747 | } else { |
6bb38cd6 | 1748 | g_outputBuffer=poolObj->policy->name+"\n"; |
9396d955 RG |
1749 | } |
1750 | }); | |
1751 | ||
6bb38cd6 RG |
1752 | g_lua.writeFunction("setTCPDownstreamCleanupInterval", [](uint16_t interval) { |
1753 | setLuaSideEffect(); | |
1754 | g_downstreamTCPCleanupInterval = interval; | |
9396d955 RG |
1755 | }); |
1756 | ||
6bb38cd6 RG |
1757 | g_lua.writeFunction("setConsoleConnectionsLogging", [](bool enabled) { |
1758 | g_logConsoleConnections = enabled; | |
e65ae260 RG |
1759 | }); |
1760 | ||
03c05963 CHB |
1761 | g_lua.writeFunction("setConsoleOutputMaxMsgSize", [](uint32_t size) { |
1762 | g_consoleOutputMsgMaxSize = size; | |
1763 | }); | |
1764 | ||
6bb38cd6 RG |
1765 | g_lua.writeFunction("setUDPMultipleMessagesVectorSize", [](size_t vSize) { |
1766 | if (g_configurationDone) { | |
1767 | errlog("setUDPMultipleMessagesVectorSize() cannot be used at runtime!"); | |
1768 | g_outputBuffer="setUDPMultipleMessagesVectorSize() cannot be used at runtime!\n"; | |
1769 | return; | |
2a817e5a | 1770 | } |
6bb38cd6 RG |
1771 | #if defined(HAVE_RECVMMSG) && defined(HAVE_SENDMMSG) && defined(MSG_WAITFORONE) |
1772 | setLuaSideEffect(); | |
1773 | g_udpVectorSize = vSize; | |
1774 | #else | |
1775 | errlog("recvmmsg() support is not available!"); | |
1776 | g_outputBuffer="recvmmsg support is not available!\n"; | |
1777 | #endif | |
1778 | }); | |
a227f47d | 1779 | |
e7c732b8 RG |
1780 | g_lua.writeFunction("setAddEDNSToSelfGeneratedResponses", [](bool add) { |
1781 | g_addEDNSToSelfGeneratedResponses = add; | |
1782 | }); | |
1783 | ||
1784 | g_lua.writeFunction("setPayloadSizeOnSelfGeneratedAnswers", [](uint16_t payloadSize) { | |
1785 | if (payloadSize < 512) { | |
1786 | warnlog("setPayloadSizeOnSelfGeneratedAnswers() is set too low, using 512 instead!"); | |
1787 | g_outputBuffer="setPayloadSizeOnSelfGeneratedAnswers() is set too low, using 512 instead!"; | |
1788 | payloadSize = 512; | |
1789 | } | |
1790 | if (payloadSize > s_udpIncomingBufferSize) { | |
1791 | warnlog("setPayloadSizeOnSelfGeneratedAnswers() is set too high, capping to %d instead!", s_udpIncomingBufferSize); | |
1792 | g_outputBuffer="setPayloadSizeOnSelfGeneratedAnswers() is set too high, capping to " + std::to_string(s_udpIncomingBufferSize) + " instead"; | |
1793 | payloadSize = s_udpIncomingBufferSize; | |
1794 | } | |
1795 | g_PayloadSizeSelfGenAnswers = payloadSize; | |
1796 | }); | |
1797 | ||
5d4e1ef8 RG |
1798 | g_lua.writeFunction("setSecurityPollSuffix", [](const std::string& suffix) { |
1799 | if (g_configurationDone) { | |
1800 | g_outputBuffer="setSecurityPollSuffix() cannot be used at runtime!\n"; | |
1801 | return; | |
1802 | } | |
1803 | ||
1804 | g_secPollSuffix = suffix; | |
1805 | }); | |
1806 | ||
1807 | g_lua.writeFunction("setSecurityPollInterval", [](time_t newInterval) { | |
1808 | if (newInterval <= 0) { | |
1809 | warnlog("setSecurityPollInterval() should be > 0, skipping"); | |
1810 | g_outputBuffer="setSecurityPollInterval() should be > 0, skipping"; | |
1811 | } | |
1812 | ||
1813 | g_secPollInterval = newInterval; | |
1814 | }); | |
1815 | ||
0ca6a67f RG |
1816 | g_lua.writeFunction("setSyslogFacility", [](int facility) { |
1817 | setLuaSideEffect(); | |
1818 | if (g_configurationDone) { | |
1819 | g_outputBuffer="setSyslogFacility cannot be used at runtime!\n"; | |
1820 | return; | |
1821 | } | |
1822 | setSyslogFacility(facility); | |
1823 | }); | |
1824 | ||
44947230 | 1825 | 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 | 1826 | #ifdef HAVE_DNS_OVER_HTTPS |
fbf14b03 RG |
1827 | if (client) { |
1828 | return; | |
1829 | } | |
fbf14b03 RG |
1830 | setLuaSideEffect(); |
1831 | if (g_configurationDone) { | |
1832 | g_outputBuffer="addDOHLocal cannot be used at runtime!\n"; | |
1833 | return; | |
1834 | } | |
1835 | auto frontend = std::make_shared<DOHFrontend>(); | |
bf8cd40d | 1836 | |
44947230 | 1837 | if (certFiles && !certFiles->empty() && keyFiles && !keyFiles->empty()) { |
b54e94dc | 1838 | if (!loadTLSCertificateAndKeys("addDOHLocal", frontend->d_tlsConfig.d_certKeyPairs, *certFiles, *keyFiles)) { |
44947230 RG |
1839 | return; |
1840 | } | |
1841 | ||
1842 | frontend->d_local = ComboAddress(addr, 443); | |
1843 | } | |
1844 | else { | |
1845 | frontend->d_local = ComboAddress(addr, 80); | |
1846 | 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 |
1847 | } |
1848 | ||
0718e562 RG |
1849 | if (urls) { |
1850 | if (urls->type() == typeid(std::string)) { | |
1851 | frontend->d_urls.push_back(boost::get<std::string>(*urls)); | |
1852 | } | |
1853 | else if (urls->type() == typeid(std::vector<std::pair<int,std::string>>)) { | |
1854 | auto urlsVect = boost::get<std::vector<std::pair<int,std::string>>>(*urls); | |
1855 | for(const auto& p : urlsVect) { | |
1856 | frontend->d_urls.push_back(p.second); | |
1857 | } | |
fbf14b03 RG |
1858 | } |
1859 | } | |
1860 | else { | |
1861 | frontend->d_urls = {"/"}; | |
1862 | } | |
1863 | ||
2b0cb8f8 RG |
1864 | bool reusePort = false; |
1865 | int tcpFastOpenQueueSize = 0; | |
1866 | std::string interface; | |
1867 | std::set<int> cpus; | |
2b0cb8f8 | 1868 | |
fbf14b03 | 1869 | if(vars) { |
0230e350 | 1870 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
2b0cb8f8 | 1871 | |
fbf14b03 RG |
1872 | if (vars->count("idleTimeout")) { |
1873 | frontend->d_idleTimeout = boost::get<int>((*vars)["idleTimeout"]); | |
1874 | } | |
b54e94dc | 1875 | |
3d0371b3 RG |
1876 | if (vars->count("serverTokens")) { |
1877 | frontend->d_serverTokens = boost::get<const string>((*vars)["serverTokens"]); | |
1878 | } | |
b54e94dc | 1879 | |
ee01507f CR |
1880 | if (vars->count("customResponseHeaders")) { |
1881 | for (auto const& headerMap : boost::get<std::map<std::string,std::string>>((*vars)["customResponseHeaders"])) { | |
cf3e149b | 1882 | std::pair<std::string,std::string> headerResponse = std::make_pair(boost::to_lower_copy(headerMap.first), headerMap.second); |
ee01507f CR |
1883 | frontend->d_customResponseHeaders.push_back(headerResponse); |
1884 | } | |
1885 | } | |
0ef9ab19 | 1886 | |
0026abf9 RG |
1887 | if (vars->count("sendCacheControlHeaders")) { |
1888 | frontend->d_sendCacheControlHeaders = boost::get<bool>((*vars)["sendCacheControlHeaders"]); | |
1889 | } | |
1890 | ||
b54e94dc | 1891 | parseTLSConfig(frontend->d_tlsConfig, "addDOHLocal", vars); |
fbf14b03 RG |
1892 | } |
1893 | g_dohlocals.push_back(frontend); | |
2b0cb8f8 | 1894 | auto cs = std::unique_ptr<ClientState>(new ClientState(frontend->d_local, true, reusePort, tcpFastOpenQueueSize, interface, cpus)); |
fbf14b03 RG |
1895 | cs->dohFrontend = frontend; |
1896 | g_frontends.push_back(std::move(cs)); | |
1897 | #else | |
56d44226 | 1898 | throw std::runtime_error("addDOHLocal() called but DNS over HTTPS support is not present!"); |
fbf14b03 RG |
1899 | #endif |
1900 | }); | |
1901 | ||
1b51c0f3 RG |
1902 | g_lua.writeFunction("showDOHFrontends", []() { |
1903 | #ifdef HAVE_DNS_OVER_HTTPS | |
1904 | setLuaNoSideEffect(); | |
1905 | try { | |
1906 | ostringstream ret; | |
b608e6c6 RG |
1907 | boost::format fmt("%-3d %-20.20s %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d %-15d"); |
1908 | ret << (fmt % "#" % "Address" % "HTTP" % "HTTP/1" % "HTTP/2" % "GET" % "POST" % "Bad" % "Errors" % "Redirects" % "Valid" % "# ticket keys" % "Rotation delay" % "Next rotation") << endl; | |
1b51c0f3 RG |
1909 | size_t counter = 0; |
1910 | for (const auto& ctx : g_dohlocals) { | |
9f32da84 | 1911 | 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 |
1912 | counter++; |
1913 | } | |
1914 | g_outputBuffer = ret.str(); | |
1915 | } | |
1916 | catch(const std::exception& e) { | |
1917 | g_outputBuffer = e.what(); | |
1918 | throw; | |
1919 | } | |
1920 | #else | |
1921 | g_outputBuffer="DNS over HTTPS support is not present!\n"; | |
1922 | #endif | |
1923 | }); | |
1924 | ||
5bbcbea0 RG |
1925 | g_lua.writeFunction("showDOHResponseCodes", []() { |
1926 | #ifdef HAVE_DNS_OVER_HTTPS | |
1927 | setLuaNoSideEffect(); | |
1928 | try { | |
1929 | ostringstream ret; | |
1930 | boost::format fmt("%-3d %-20.20s %-15d %-15d %-15d %-15d %-15d %-15d"); | |
1931 | g_outputBuffer = "\n- HTTP/1:\n\n"; | |
1932 | ret << (fmt % "#" % "Address" % "200" % "400" % "403" % "500" % "502" % "Others" ) << endl; | |
1933 | size_t counter = 0; | |
1934 | for (const auto& ctx : g_dohlocals) { | |
1935 | 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; | |
1936 | counter++; | |
1937 | } | |
1938 | g_outputBuffer += ret.str(); | |
1939 | ret.str(""); | |
1940 | ||
1941 | g_outputBuffer += "\n- HTTP/2:\n\n"; | |
1942 | ret << (fmt % "#" % "Address" % "200" % "400" % "403" % "500" % "502" % "Others" ) << endl; | |
1943 | counter = 0; | |
1944 | for (const auto& ctx : g_dohlocals) { | |
1945 | 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; | |
1946 | counter++; | |
1947 | } | |
1948 | g_outputBuffer += ret.str(); | |
1949 | } | |
1950 | catch(const std::exception& e) { | |
1951 | g_outputBuffer = e.what(); | |
1952 | throw; | |
1953 | } | |
1954 | #else | |
1955 | g_outputBuffer="DNS over HTTPS support is not present!\n"; | |
1956 | #endif | |
1957 | }); | |
1958 | ||
28b56482 | 1959 | g_lua.writeFunction("getDOHFrontend", [client](size_t index) { |
1b51c0f3 | 1960 | std::shared_ptr<DOHFrontend> result = nullptr; |
28b56482 RG |
1961 | if (client) { |
1962 | return result; | |
1963 | } | |
1b51c0f3 RG |
1964 | #ifdef HAVE_DNS_OVER_HTTPS |
1965 | setLuaNoSideEffect(); | |
1966 | try { | |
1967 | if (index < g_dohlocals.size()) { | |
1968 | result = g_dohlocals.at(index); | |
1969 | } | |
1970 | else { | |
0718e562 RG |
1971 | errlog("Error: trying to get DOH frontend with index %zu but we only have %zu frontend(s)\n", index, g_dohlocals.size()); |
1972 | 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 |
1973 | } |
1974 | } | |
1975 | catch(const std::exception& e) { | |
0718e562 | 1976 | g_outputBuffer="Error while trying to get DOH frontend with index " + std::to_string(index) + ": "+string(e.what())+"\n"; |
56d44226 | 1977 | errlog("Error while trying to get DOH frontend with index %zu: %s\n", index, string(e.what())); |
1b51c0f3 RG |
1978 | } |
1979 | #else | |
1980 | g_outputBuffer="DNS over HTTPS support is not present!\n"; | |
1981 | #endif | |
1982 | return result; | |
1983 | }); | |
1984 | ||
265260f5 RG |
1985 | g_lua.writeFunction("getDOHFrontendCount", []() { |
1986 | setLuaNoSideEffect(); | |
1987 | return g_dohlocals.size(); | |
1988 | }); | |
1989 | ||
6c7cec08 | 1990 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)()>("reloadCertificates", [](std::shared_ptr<DOHFrontend> frontend) { |
1b51c0f3 | 1991 | if (frontend != nullptr) { |
6c7cec08 | 1992 | frontend->reloadCertificates(); |
1b51c0f3 RG |
1993 | } |
1994 | }); | |
1995 | ||
0ef9ab19 RG |
1996 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)()>("rotateTicketsKey", [](std::shared_ptr<DOHFrontend> frontend) { |
1997 | if (frontend != nullptr) { | |
1998 | frontend->rotateTicketsKey(time(nullptr)); | |
1999 | } | |
2000 | }); | |
2001 | ||
2002 | g_lua.registerFunction<void(std::shared_ptr<DOHFrontend>::*)(const std::string&)>("loadTicketsKeys", [](std::shared_ptr<DOHFrontend> frontend, const std::string& file) { | |
2003 | if (frontend != nullptr) { | |
2004 | frontend->loadTicketsKeys(file); | |
2005 | } | |
2006 | }); | |
2007 | ||
28b56482 RG |
2008 | 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) { |
2009 | if (frontend != nullptr) { | |
2010 | std::vector<std::shared_ptr<DOHResponseMapEntry>> newMap; | |
2011 | newMap.reserve(map.size()); | |
2012 | ||
2013 | for (const auto& entry : map) { | |
2014 | newMap.push_back(entry.second); | |
2015 | } | |
2016 | ||
2017 | frontend->d_responsesMap = std::move(newMap); | |
2018 | } | |
2019 | }); | |
2020 | ||
fa974ada | 2021 | 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 | 2022 | #ifdef HAVE_DNS_OVER_TLS |
a227f47d RG |
2023 | if (client) |
2024 | return; | |
a227f47d RG |
2025 | setLuaSideEffect(); |
2026 | if (g_configurationDone) { | |
2027 | g_outputBuffer="addTLSLocal cannot be used at runtime!\n"; | |
2028 | return; | |
2029 | } | |
2030 | shared_ptr<TLSFrontend> frontend = std::make_shared<TLSFrontend>(); | |
fa974ada | 2031 | |
b54e94dc | 2032 | if (!loadTLSCertificateAndKeys("addTLSLocal", frontend->d_tlsConfig.d_certKeyPairs, certFiles, keyFiles)) { |
fa974ada RG |
2033 | return; |
2034 | } | |
a227f47d | 2035 | |
6e9fd124 RG |
2036 | bool reusePort = false; |
2037 | int tcpFastOpenQueueSize = 0; | |
2038 | std::string interface; | |
2039 | std::set<int> cpus; | |
6e9fd124 | 2040 | |
a227f47d | 2041 | if (vars) { |
0230e350 | 2042 | parseLocalBindVars(vars, reusePort, tcpFastOpenQueueSize, interface, cpus); |
a227f47d RG |
2043 | |
2044 | if (vars->count("provider")) { | |
2045 | frontend->d_provider = boost::get<const string>((*vars)["provider"]); | |
b5af510a | 2046 | boost::algorithm::to_lower(frontend->d_provider); |
a227f47d RG |
2047 | } |
2048 | ||
b54e94dc | 2049 | parseTLSConfig(frontend->d_tlsConfig, "addTLSLocal", vars); |
a227f47d RG |
2050 | } |
2051 | ||
2052 | try { | |
2053 | frontend->d_addr = ComboAddress(addr, 853); | |
d94702d6 RG |
2054 | if (!frontend->d_provider.empty()) { |
2055 | vinfolog("Loading TLS provider '%s'", frontend->d_provider); | |
2056 | } | |
2057 | else { | |
b5af510a | 2058 | #ifdef HAVE_LIBSSL |
d94702d6 | 2059 | vinfolog("Loading default TLS provider 'openssl'"); |
b5af510a RG |
2060 | #else |
2061 | vinfolog("Loading default TLS provider 'gnutls'"); | |
2062 | #endif | |
d94702d6 | 2063 | } |
6e9fd124 RG |
2064 | // only works pre-startup, so no sync necessary |
2065 | auto cs = std::unique_ptr<ClientState>(new ClientState(frontend->d_addr, true, reusePort, tcpFastOpenQueueSize, interface, cpus)); | |
2066 | cs->tlsFrontend = frontend; | |
2067 | g_tlslocals.push_back(cs->tlsFrontend); | |
2068 | g_frontends.push_back(std::move(cs)); | |
a227f47d RG |
2069 | } |
2070 | catch(const std::exception& e) { | |
2071 | g_outputBuffer="Error: "+string(e.what())+"\n"; | |
2072 | } | |
2073 | #else | |
56d44226 | 2074 | throw std::runtime_error("addTLSLocal() called but DNS over TLS support is not present!"); |
a227f47d RG |
2075 | #endif |
2076 | }); | |
2077 | ||
7f2f825d | 2078 | g_lua.writeFunction("showTLSContexts", []() { |
a227f47d RG |
2079 | #ifdef HAVE_DNS_OVER_TLS |
2080 | setLuaNoSideEffect(); | |
2081 | try { | |
2082 | ostringstream ret; | |
2083 | boost::format fmt("%1$-3d %2$-20.20s %|25t|%3$-14d %|40t|%4$-14d %|54t|%5$-21.21s"); | |
2084 | // 1 2 3 4 5 | |
2085 | ret << (fmt % "#" % "Address" % "# ticket keys" % "Rotation delay" % "Next rotation" ) << endl; | |
2086 | size_t counter = 0; | |
2087 | for (const auto& ctx : g_tlslocals) { | |
2088 | ret << (fmt % counter % ctx->d_addr.toStringWithPort() % ctx->getTicketsKeysCount() % ctx->getTicketsKeyRotationDelay() % ctx->getNextTicketsKeyRotation()) << endl; | |
2089 | counter++; | |
2090 | } | |
2091 | g_outputBuffer = ret.str(); | |
2092 | } | |
2093 | catch(const std::exception& e) { | |
2094 | g_outputBuffer = e.what(); | |
2095 | throw; | |
2096 | } | |
2097 | #else | |
2098 | g_outputBuffer="DNS over TLS support is not present!\n"; | |
2099 | #endif | |
2100 | }); | |
2101 | ||
7f2f825d | 2102 | g_lua.writeFunction("getTLSContext", [](size_t index) { |
a227f47d RG |
2103 | std::shared_ptr<TLSCtx> result = nullptr; |
2104 | #ifdef HAVE_DNS_OVER_TLS | |
2105 | setLuaNoSideEffect(); | |
2106 | try { | |
2107 | if (index < g_tlslocals.size()) { | |
2108 | result = g_tlslocals.at(index)->getContext(); | |
2109 | } | |
2110 | else { | |
0718e562 RG |
2111 | errlog("Error: trying to get TLS context with index %zu but we only have %zu context(s)\n", index, g_tlslocals.size()); |
2112 | 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 |
2113 | } |
2114 | } | |
2115 | catch(const std::exception& e) { | |
0718e562 RG |
2116 | g_outputBuffer="Error while trying to get TLS context with index " + std::to_string(index) + ": "+string(e.what())+"\n"; |
2117 | errlog("Error while trying to get TLS context with index %zu: %s\n", index, string(e.what())); | |
a227f47d RG |
2118 | } |
2119 | #else | |
2120 | g_outputBuffer="DNS over TLS support is not present!\n"; | |
2121 | #endif | |
2122 | return result; | |
2123 | }); | |
2124 | ||
8ef43a02 RG |
2125 | g_lua.writeFunction("getTLSFrontend", [](size_t index) { |
2126 | std::shared_ptr<TLSFrontend> result = nullptr; | |
2127 | #ifdef HAVE_DNS_OVER_TLS | |
2128 | setLuaNoSideEffect(); | |
2129 | try { | |
2130 | if (index < g_tlslocals.size()) { | |
2131 | result = g_tlslocals.at(index); | |
2132 | } | |
2133 | else { | |
0718e562 RG |
2134 | errlog("Error: trying to get TLS frontend with index %zu but we only have %zu frontends\n", index, g_tlslocals.size()); |
2135 | 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 |
2136 | } |
2137 | } | |
2138 | catch(const std::exception& e) { | |
0718e562 RG |
2139 | g_outputBuffer="Error while trying to get TLS frontend with index " + std::to_string(index) + ": "+string(e.what())+"\n"; |
2140 | errlog("Error while trying to get TLS frontend with index %zu: %s\n", index, string(e.what())); | |
8ef43a02 RG |
2141 | } |
2142 | #else | |
2143 | g_outputBuffer="DNS over TLS support is not present!\n"; | |
2144 | #endif | |
2145 | return result; | |
2146 | }); | |
2147 | ||
265260f5 RG |
2148 | g_lua.writeFunction("getTLSFrontendCount", []() { |
2149 | setLuaNoSideEffect(); | |
2150 | return g_tlslocals.size(); | |
2151 | }); | |
2152 | ||
a227f47d RG |
2153 | g_lua.registerFunction<void(std::shared_ptr<TLSCtx>::*)()>("rotateTicketsKey", [](std::shared_ptr<TLSCtx> ctx) { |
2154 | if (ctx != nullptr) { | |
2155 | ctx->rotateTicketsKey(time(nullptr)); | |
2156 | } | |
2157 | }); | |
2158 | ||
2159 | g_lua.registerFunction<void(std::shared_ptr<TLSCtx>::*)(const std::string&)>("loadTicketsKeys", [](std::shared_ptr<TLSCtx> ctx, const std::string& file) { | |
2160 | if (ctx != nullptr) { | |
2161 | ctx->loadTicketsKeys(file); | |
2162 | } | |
2163 | }); | |
8ef43a02 RG |
2164 | |
2165 | 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 | 2166 | #ifdef HAVE_DNS_OVER_TLS |
b54e94dc | 2167 | if (loadTLSCertificateAndKeys("loadNewCertificatesAndKeys", frontend->d_tlsConfig.d_certKeyPairs, certFiles, keyFiles)) { |
8ef43a02 RG |
2168 | frontend->setupTLS(); |
2169 | } | |
9ce6a273 | 2170 | #endif |
8ef43a02 | 2171 | }); |
0dffe9e3 | 2172 | |
bcc62bfb RG |
2173 | g_lua.writeFunction("reloadAllCertificates", []() { |
2174 | for (auto& frontend : g_frontends) { | |
2175 | if (!frontend) { | |
2176 | continue; | |
2177 | } | |
2178 | try { | |
2179 | #ifdef HAVE_DNSCRYPT | |
2180 | if (frontend->dnscryptCtx) { | |
37b6d73d | 2181 | frontend->dnscryptCtx->reloadCertificates(); |
bcc62bfb RG |
2182 | } |
2183 | #endif /* HAVE_DNSCRYPT */ | |
2184 | #ifdef HAVE_DNS_OVER_TLS | |
2185 | if (frontend->tlsFrontend) { | |
2186 | frontend->tlsFrontend->setupTLS(); | |
2187 | } | |
2188 | #endif /* HAVE_DNS_OVER_TLS */ | |
6e3a9fe4 RG |
2189 | #ifdef HAVE_DNS_OVER_HTTPS |
2190 | if (frontend->dohFrontend) { | |
6c7cec08 | 2191 | frontend->dohFrontend->reloadCertificates(); |
6e3a9fe4 RG |
2192 | } |
2193 | #endif /* HAVE_DNS_OVER_HTTPS */ | |
bcc62bfb RG |
2194 | } |
2195 | catch(const std::exception& e) { | |
2196 | errlog("Error reloading certificates for frontend %s: %s", frontend->local.toStringWithPort(), e.what()); | |
2197 | } | |
2198 | } | |
2199 | }); | |
2200 | ||
2201 | g_lua.writeFunction("setAllowEmptyResponse", [](bool allow) { g_allowEmptyResponse=allow; }); | |
8c15553e RG |
2202 | |
2203 | #if defined(HAVE_LIBSSL) && defined(HAVE_OCSP_BASIC_SIGN) | |
203b5348 RG |
2204 | 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) { |
2205 | if (client) { | |
2206 | return; | |
2207 | } | |
2208 | ||
2209 | libssl_generate_ocsp_response(certFile, caCert, caKey, outFile, ndays, nmin); | |
8c15553e RG |
2210 | }); |
2211 | #endif /* HAVE_LIBSSL && HAVE_OCSP_BASIC_SIGN*/ | |
6bb38cd6 | 2212 | } |
2a817e5a | 2213 | |
203b5348 | 2214 | vector<std::function<void(void)>> setupLua(bool client, bool configCheck, const std::string& config) |
6bb38cd6 RG |
2215 | { |
2216 | g_launchWork= new vector<std::function<void(void)>>(); | |
2a817e5a | 2217 | |
6bb38cd6 | 2218 | setupLuaActions(); |
203b5348 | 2219 | setupLuaConfig(client, configCheck); |
6bb38cd6 | 2220 | setupLuaBindings(client); |
4d4d5623 | 2221 | setupLuaBindingsDNSCrypt(); |
6bb38cd6 | 2222 | setupLuaBindingsDNSQuestion(); |
4d4d5623 RG |
2223 | setupLuaBindingsKVS(client); |
2224 | setupLuaBindingsPacketCache(); | |
203b5348 | 2225 | setupLuaBindingsProtoBuf(client, configCheck); |
6bb38cd6 RG |
2226 | setupLuaInspection(); |
2227 | setupLuaRules(); | |
2228 | setupLuaVars(); | |
80a216c9 | 2229 | |
0ed8f0fa RG |
2230 | #ifdef LUAJIT_VERSION |
2231 | g_lua.executeCode(getLuaFFIWrappers()); | |
2232 | #endif | |
2233 | ||
839f3021 | 2234 | std::ifstream ifs(config); |
6bb38cd6 | 2235 | if(!ifs) |
839f3021 | 2236 | warnlog("Unable to read configuration from '%s'", config); |
2e72cc0e | 2237 | else |
cdc04ede | 2238 | vinfolog("Read configuration from '%s'", config); |
df111b53 | 2239 | |
2240 | g_lua.executeCode(ifs); | |
d8c19b98 | 2241 | |
6bb38cd6 | 2242 | auto ret = *g_launchWork; |
2e72cc0e | 2243 | delete g_launchWork; |
6bb38cd6 | 2244 | g_launchWork = nullptr; |
2e72cc0e | 2245 | return ret; |
df111b53 | 2246 | } |