GCC Code Coverage Report

Directory: ./
File: pdserv/src/Main.cpp
Date: 2025-06-29 04:10:41
Exec Total Coverage
Lines: 319 474 67.3%
Branches: 428 1477 29.0%
Line Branch Exec Source
1 /*****************************************************************************
2 *
3 * $Id$
4 *
5 * Copyright 2010 Richard Hacker (lerichi at gmx dot net)
6 *
7 * This file is part of the pdserv library.
8 *
9 * The pdserv library is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published
11 * by the Free Software Foundation, either version 3 of the License, or (at
12 * your option) any later version.
13 *
14 * The pdserv library is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17 * License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with the pdserv library. If not, see <http://www.gnu.org/licenses/>.
21 *
22 *****************************************************************************/
23
24 #include "config.h"
25 #include "Debug.h"
26
27 #include <cerrno>
28 #include <cstdio> // fread(), fileno()
29 #include <unistd.h> // fork(), getpid(), chdir, sysconf, close, fstat()
30 // stat()
31 #include <signal.h> // signal()
32 #include <limits.h> // _POSIX_OPEN_MAX
33 #include <sys/types.h> // umask(), fstat(), stat(), opendir()
34 #include <sys/stat.h> // umask(), fstat(), stat()
35 #include <sys/time.h> // gettimeofday()
36 #include <dirent.h> // opendir(), readdir()
37 #include <iomanip> // std::setw(), std::setfill()
38 #include <algorithm> // std::copy()
39 #include <iterator> // std::back_inserter()
40 #include <memory>
41 #include <set>
42
43 #include <pdserv.h> // pdserv_full_version
44
45 #undef USE_GETTEXT
46 #ifdef USE_GETTEXT
47 #include <libintl.h> // gettext()
48 #include <locale.h> // setlocale()
49 #else
50 #define gettext(s) (s)
51 #endif
52
53 #include <log4cplus/syslogappender.h>
54 #include <log4cplus/consoleappender.h>
55 #include <log4cplus/streams.h>
56 #include <log4cplus/configurator.h>
57 #include <log4cplus/loggingmacros.h>
58 #include <log4cplus/version.h>
59
60 #include "Exceptions.h"
61 #include "Main.h"
62 #include "Task.h"
63 #include "Signal.h"
64 #include "ProcessParameter.h"
65 #include "Database.h"
66 #include "Config.h"
67 #include "Event.h"
68 #include "Session.h"
69 #include "msrproto/Server.h"
70
71 #ifndef _GNU_SOURCE
72 # define _GNU_SOURCE
73 #endif
74 #include <string.h> // basename()
75
76 #ifdef GNUTLS_FOUND
77 #include "TLS.h"
78 3 log4cplus::Logger tlsLogger;
79 #endif
80
81 #if __cplusplus < 201402L
82 namespace std {
83 template <typename T, typename... Args>
84 std::unique_ptr<T> make_unique(Args&&... args) {
85 return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
86 }
87 }
88 #endif
89
90 using namespace PdServ;
91
92 /////////////////////////////////////////////////////////////////////////////
93 18 inline bool operator== (const struct timespec& t1, const struct timespec& t2)
94 {
95
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 18 return t1.tv_sec == t2.tv_sec and t1.tv_nsec == t2.tv_nsec;
96 }
97
98 19 inline bool operator< (const struct timespec& t1, const struct timespec& t2)
99 {
100 19 return (t1.tv_sec < t2.tv_sec
101
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 19 or (t1.tv_sec == t2.tv_sec and t1.tv_nsec < t2.tv_nsec));
102 }
103
104 /////////////////////////////////////////////////////////////////////////////
105 inline bool operator! (const struct timespec& t)
106 {
107 return !(t.tv_sec or t.tv_nsec);
108 }
109
110 /////////////////////////////////////////////////////////////////////////////
111 struct Main::EventInstance {
112 const PdServ::Event* event;
113 size_t index;
114 Event::Priority priority;
115 uint32_t seqNo;
116 struct timespec time;
117 bool state;
118
119 19 bool operator()(const EventInstance* a, const EventInstance* b) const {
120 19 return a->time < b->time
121
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 19 or (a->time == b->time and int(a->seqNo - b->seqNo) < 0);
122 }
123
124 48 operator EventData() const {
125 EventData d = {
126 48 this->event,
127 48 this->seqNo,
128 48 this->index,
129
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 48 this->priority,
130
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 48 this->state,
131 this->time
132 240 };
133 48 return d;
134 }
135
136 friend std::ostream& operator<<(std::ostream& os, const EventInstance& i) {
137 os
138 << i.event
139 << ' ' << i.index
140 << ' ' << i.priority
141 << ' ' << i.seqNo
142 << ' ' << i.state;
143 return os;
144 }
145 };
146
147 namespace std {
148 ✗ std::ostream& operator<< (std::ostream& os, const timespec& ts)
149 {
150 ✗ char fill = os.fill('0');
151 ✗ std::streamsize width = os.width(9);
152 ✗ os << ts.tv_sec << '.' << ts.tv_nsec;
153 ✗ os.width(width);
154 ✗ os.fill(fill);
155 ✗ return os;
156 }
157 }
158
159 /////////////////////////////////////////////////////////////////////////////
160 157 Main::Main(const std::string& name, const std::string& version):
161 name(name), version(version),
162 parameterLog(
163 log4cplus::Logger::getInstance(LOG4CPLUS_TEXT("parameter"))),
164 eventLog(log4cplus::Logger::getInstance(LOG4CPLUS_TEXT("event")))
165 #ifdef GNUTLS_FOUND
166 ,
167
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 157 tlsSessionDB(&tls_mutex, TLS_DB_SIZE)
168 #endif
169 {
170 157 msrproto = 0;
171
172 #ifdef USE_GETTEXT
173 // for gettext()
174 setlocale(LC_ALL, "");
175 textdomain(name.c_str());
176 #endif
177 157 }
178
179 /////////////////////////////////////////////////////////////////////////////
180 314 Main::~Main()
181 {
182 #ifdef GNUTLS_FOUND
183 157 destroyTLS();
184 #endif
185 157 for (std::set<EventInstance*>::iterator it = danglingInstances.begin();
186
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 157 it != danglingInstances.end(); ++it)
187 ✗ delete *it;
188
189 157 for (EventInstanceMap::iterator it = eventMap.begin();
190
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 157 it != eventMap.end(); ++it)
191 ✗ delete it->second;
192 157 }
193
194 /////////////////////////////////////////////////////////////////////////////
195 155 void Main::setupLogging(const std::string& configFile)
196 {
197 #ifdef PDS_DEBUG
198 consoleLogging();
199 #endif
200
201
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 155 unsigned int history = config("eventhistory").toUInt(100);
202 155 eventInstance.resize(history);
203 155 eventPtr = &eventInstance[0];
204
205
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 155 if (config("logging")) {
206 typedef std::basic_istringstream<log4cplus::tchar> tistringstream;
207 155 tistringstream is(
208
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 310 LOG4CPLUS_STRING_TO_TSTRING(config("logging").toString()));
209
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 155 log4cplus::PropertyConfigurator(is).configure();
210 }
211 else {
212 ✗ syslogLogging();
213 }
214
215
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 155 LOG4CPLUS_INFO(log4cplus::Logger::getRoot(),
216 LOG4CPLUS_TEXT("Started application ")
217 << LOG4CPLUS_STRING_TO_TSTRING(name)
218 << LOG4CPLUS_TEXT(", Version ")
219 << LOG4CPLUS_STRING_TO_TSTRING(version));
220
221
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 155 LOG4CPLUS_INFO(log4cplus::Logger::getRoot(),
222 LOG4CPLUS_TEXT("Using PdServ version ")
223 << LOG4CPLUS_STRING_TO_TSTRING(pdserv_full_version));
224
225
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 155 if (!configFile.empty())
226
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 155 LOG4CPLUS_INFO(log4cplus::Logger::getRoot(),
227 LOG4CPLUS_TEXT("Using configuration: ")
228 << LOG4CPLUS_STRING_TO_TSTRING(configFile));
229 155 }
230
231 /////////////////////////////////////////////////////////////////////////////
232 ✗ void Main::consoleLogging()
233 {
234 ✗ log4cplus::BasicConfigurator::doConfigure();
235 // log4cplus::SharedAppenderPtr cerr(new log4cplus::ConsoleAppender(true));
236 // cerr->setLayout(
237 // std::auto_ptr<log4cplus::Layout>(new log4cplus::PatternLayout(
238 // LOG4CPLUS_TEXT("%D %p %c %x: %m"))));
239 //
240 // log4cplus::Logger::getRoot().addAppender(cerr);
241 }
242
243 /////////////////////////////////////////////////////////////////////////////
244 ✗ void Main::syslogLogging()
245 {
246 ✗ log4cplus::helpers::Properties p;
247 ✗ p.setProperty(LOG4CPLUS_TEXT("ident"),
248 LOG4CPLUS_STRING_TO_TSTRING(name));
249 ✗ p.setProperty(LOG4CPLUS_TEXT("facility"),LOG4CPLUS_TEXT("local0"));
250
251 ✗ log4cplus::SharedAppenderPtr appender( new log4cplus::SysLogAppender(p));
252 #if LOG4CPLUS_VERSION > LOG4CPLUS_MAKE_VERSION(1,2,0)
253 appender->setLayout(std::make_unique<log4cplus::PatternLayout>(
254 LOG4CPLUS_TEXT("%-5p %c <%x>: %m")));
255 #else
256 ✗ appender->setLayout(
257 ✗ std::auto_ptr<log4cplus::Layout>(new log4cplus::PatternLayout(
258 ✗ LOG4CPLUS_TEXT("%-5p %c <%x>: %m"))));
259 #endif
260
261 ✗ log4cplus::Logger root = log4cplus::Logger::getRoot();
262 ✗ root.addAppender(appender);
263 ✗ root.setLogLevel(log4cplus::INFO_LOG_LEVEL);
264 }
265
266 /////////////////////////////////////////////////////////////////////////////
267 ✗ int Main::gettime(struct timespec* t) const
268 {
269 ✗ return localtime(t);
270 }
271
272 /////////////////////////////////////////////////////////////////////////////
273 ✗ int Main::localtime(struct timespec* t)
274 {
275 ✗ struct timeval tv;
276
277 ✗ if (::gettimeofday(&tv, 0))
278 ✗ return errno;
279 ✗ t->tv_sec = tv.tv_sec;
280 ✗ t->tv_nsec = tv.tv_usec * 1000;
281
282 ✗ return 0;
283 }
284
285 /////////////////////////////////////////////////////////////////////////////
286 154 void Main::startServers()
287 {
288
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 308 log4cplus::Logger logger = log4cplus::Logger::getRoot();
289
290 #ifdef GNUTLS_FOUND
291
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 154 if (const int ret = setupTLS(config("tls"), logger)) {
292 ✗ LOG4CPLUS_FATAL_STR(logger,
293 LOG4CPLUS_TEXT("Fatal TLS error."));
294 ✗ throw PdServ::Errno(ret);
295 }
296 #endif
297
298
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 154 setupAccessControl(config("access"));
299
300
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 154 LOG4CPLUS_INFO_STR(log4cplus::Logger::getRoot(),
301 LOG4CPLUS_TEXT("Starting servers"));
302
303
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 159 msrproto = new MsrProto::Server(this, config("msr"));
304 149 }
305
306 /////////////////////////////////////////////////////////////////////////////
307 154 void Main::stopServers()
308 {
309
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 154 delete msrproto;
310
311 154 savePersistent();
312
313
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 154 LOG4CPLUS_INFO_STR(log4cplus::Logger::getRoot(),
314 LOG4CPLUS_TEXT("Shut down servers"));
315 154 }
316
317 /////////////////////////////////////////////////////////////////////////////
318 43 int Main::setValue(const ProcessParameter* p, const Session* session,
319 const char* buf, size_t offset, size_t count)
320 {
321
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 43 if (!(m_write or session->loggedIn()))
322 ✗ return -EACCES;
323
324 // Ask the implementation to change value.
325 43 const char* data;
326 43 const struct timespec* time;
327
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 43 int rv = setValue(p, buf, offset, count, &data, &time);
328
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 43 if (rv)
329 ✗ return rv;
330
331
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 43 msrproto->parameterChanged(p, offset, count, data, time);
332
333
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 86 PersistentMap::iterator it = persistentMap.find(p);
334 43 bool persistent = it != persistentMap.end();
335
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 43 bool log = parameterLog.isEnabledFor(log4cplus::INFO_LOG_LEVEL);
336 86 std::string logString;
337
338 // Setup logString when parameter has to be logged
339
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 43 if ((persistent and persistentLogTraceOn) or log) {
340
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 86 std::ostringstream os;
341
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 43 os.imbue(std::locale::classic());
342
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 43 os << p->path;
343
344
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 43 os << " = ";
345
346
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 43 static_cast<const ProcessParameter*>(p)->print(os, 0, p->memSize);
347
348
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 43 logString = os.str();
349 }
350
351 // Save persistent parameter
352
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 43 if (persistent) {
353
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 3 PdServ::Database(persistentLog,
354
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 2 persistentConfig["database"].toString())
355
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 2 .save(p, data, time);
356
357
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 1 if (persistentLogTraceOn)
358 ✗ LOG4CPLUS_INFO_STR(persistentLogTrace,
359 LOG4CPLUS_STRING_TO_TSTRING(logString));
360
361
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 1 if (it->second) {
362 ✗ LOG4CPLUS_WARN(persistentLog,
363 LOG4CPLUS_TEXT("Persistent parameter ")
364 << LOG4CPLUS_STRING_TO_TSTRING(p->path)
365 << LOG4CPLUS_TEXT(" is coupled to signal ")
366 << LOG4CPLUS_STRING_TO_TSTRING(it->second->path)
367 << LOG4CPLUS_TEXT(
368 ". Manually setting a parameter-signal pair "
369 "saves the parameter only and removes coupling. "
370 "Restart process soon."));
371 ✗ it->second = 0;
372 }
373 }
374
375 // Log parameter change
376
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 43 if (log) {
377
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 43 parameterLog.forcedLog(log4cplus::INFO_LOG_LEVEL,
378 LOG4CPLUS_STRING_TO_TSTRING(logString));
379 }
380
381 43 return 0;
382 }
383
384 /////////////////////////////////////////////////////////////////////////////
385 155 unsigned int Main::setupPersistent()
386 {
387 310 std::set<std::string> keys;
388
389
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 155 persistentConfig = config("persistent");
390
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 155 if (!persistentConfig)
391 149 return 0;
392
393 // Get variable list
394
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 12 PdServ::Config varList(persistentConfig["variables"]);
395
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 6 if (!varList[size_t(0)]) {
396 ✗ LOG4CPLUS_INFO_STR(persistentLog,
397 LOG4CPLUS_TEXT("Persistent variable list is empty"));
398 ✗ return 0;
399 }
400
401
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 6 persistentLog = log4cplus::Logger::getRoot();
402
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 6 persistentLogTraceOn = persistentConfig["trace"].toUInt();
403
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 6 if (persistentLogTraceOn)
404 ✗ persistentLogTrace =
405 ✗ log4cplus::Logger::getInstance(LOG4CPLUS_TEXT("persistent"));
406
407
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 12 const std::string databasePath(persistentConfig["database"].toString());
408
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 6 if (databasePath.empty()) {
409 ✗ LOG4CPLUS_WARN_STR(persistentLog,
410 LOG4CPLUS_TEXT("No persistent database path specified"));
411 ✗ return 0;
412 }
413
414
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 12 Database dataBase(persistentLog, databasePath);
415
416 // Copy signals from tasks
417 typedef std::map<std::string, const Signal*> SignalMap;
418 12 SignalMap signalMap;
419
420 typedef std::list<const Task*> TaskList;
421
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 12 TaskList task = getTasks();
422 18 for (TaskList::iterator it = task.begin();
423
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 18 it != task.end(); ++it) {
424 typedef std::list<const PdServ::Signal*> SignalList;
425
426 12 SignalList signals =
427
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 24 static_cast<const PdServ::Task*>(*it)->getSignals();
428
429 48 for (SignalList::iterator it = signals.begin();
430
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 48 it != signals.end(); ++it)
431
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 36 signalMap[(*it)->path] = *it;
432 }
433
434
435 // Go through the variables section of the configuration to
436 // find parameters to watch. There are 2 ways of specifying a variable
437 // 1) string only pointing to a parameter to watch
438 // 2) map with "parameter:" string pointing to a parameter to watch
439 // 2) map with "parameter" and "signal" of a pair to watch
440 // e.g.
441 // variables:
442 // - "/path/to/parameter"
443 // - parameter: "/path/to/parameter"
444 // - parameter: /path/to/integrator/offset
445 // signal: "/path/to/integrator"
446
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 12 for (size_t i = 0; varList[i]; ++i) {
447
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 12 const PdServ::Config& item = varList[i];
448 Parameter* param;
449 6 const Signal* signal = 0;
450
451 6 std::string path =
452
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 12 (item.isMapping() ? item["parameter"] : item).toString();
453
454
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 6 param = findParameter(path);
455
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 6 if (!param) {
456 // Parameter does not exist
457 ✗ LOG4CPLUS_WARN(persistentLog,
458 LOG4CPLUS_TEXT("Persistent parameter ")
459 << LOG4CPLUS_STRING_TO_TSTRING(path)
460 << LOG4CPLUS_TEXT(" does not exist."));
461 ✗ continue;
462 }
463
464
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 6 if (persistentMap.find(param) != persistentMap.end()) {
465 ✗ LOG4CPLUS_INFO(persistentLog,
466 LOG4CPLUS_TEXT("Persistent parameter ")
467 << LOG4CPLUS_STRING_TO_TSTRING(path)
468 << LOG4CPLUS_TEXT(" traced already."));
469 ✗ continue;
470 }
471
472
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 6 if (item.isMapping() and item["signal"]) {
473
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 4 path = item["signal"].toString();
474
475
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 4 if (!path.empty()) {
476 // Parameter <-> Signal pair
477
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 8 SignalMap::const_iterator srcIt(signalMap.find(path));
478
479
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 4 if (srcIt == signalMap.end()) {
480 // Signal does not exist
481 ✗ LOG4CPLUS_WARN(persistentLog,
482 LOG4CPLUS_TEXT("Signal ")
483 << LOG4CPLUS_STRING_TO_TSTRING(path)
484 << LOG4CPLUS_TEXT(
485 " of persistent pair does not exist."));
486 ✗ continue;
487 }
488
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 4 signal = srcIt->second;
489 }
490 }
491
492
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 6 if (signal) {
493 // Check whether signal is compatable to parameter
494
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 4 if (signal->dtype != param->dtype) {
495 // Data types do not match
496 ✗ LOG4CPLUS_WARN(persistentLog,
497 LOG4CPLUS_TEXT("Data type of signal ")
498 << LOG4CPLUS_STRING_TO_TSTRING(signal->path)
499 << LOG4CPLUS_TEXT(" and parameter ")
500 << LOG4CPLUS_STRING_TO_TSTRING(param->path)
501 << LOG4CPLUS_TEXT(" does not match"));
502 ✗ continue;
503 }
504
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 4 else if (signal->dim != param->dim) {
505 // Data dimensions do not match
506 ✗ LOG4CPLUS_WARN(persistentLog,
507 LOG4CPLUS_TEXT("Data dimension of signal ")
508 << LOG4CPLUS_STRING_TO_TSTRING(signal->path)
509 << LOG4CPLUS_TEXT(" and parameter ")
510 << LOG4CPLUS_STRING_TO_TSTRING(param->path)
511 << LOG4CPLUS_TEXT(" does not match"));
512 ✗ continue;
513 }
514 }
515
516
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 6 persistentMap[param] = signal;
517
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 6 keys.insert(param->path);
518
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 6 if (signal)
519
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 4 LOG4CPLUS_DEBUG(persistentLog,
520 LOG4CPLUS_TEXT("Added persistent parameter-signal pair: ")
521 << LOG4CPLUS_STRING_TO_TSTRING(signal->path)
522 << LOG4CPLUS_TEXT(" -> ")
523 << LOG4CPLUS_STRING_TO_TSTRING(param->path));
524 else
525
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 2 LOG4CPLUS_DEBUG(persistentLog,
526 LOG4CPLUS_TEXT("Added persistent parameter: ")
527 << LOG4CPLUS_STRING_TO_TSTRING(param->path));
528
529 // Last but not least, read peristent value from database and
530 // set parameter
531 6 const struct timespec* mtime;
532 6 const char* value;
533
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 6 if (dataBase.read(param, &value, &mtime)) {
534
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 4 initializeParameter(param, value, mtime, signal);
535
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 4 if (persistentLogTraceOn) {
536 ✗ std::ostringstream os;
537 ✗ os.imbue(std::locale::classic());
538 ✗ os << param->path;
539
540 ✗ os << " = ";
541
542 ✗ param->dtype.print(os, value, value, value + param->memSize);
543
544 ✗ LOG4CPLUS_INFO_STR(persistentLogTrace,
545 LOG4CPLUS_STRING_TO_TSTRING(os.str()));
546 }
547 }
548
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 2 else if (signal)
549
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 1 initializeParameter(param, 0, 0, signal);
550 }
551
552 // Purge unneeded parameters from database, unless disabled by
553 // configuration
554
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 6 if (persistentConfig["cleanup"].toUInt(1))
555
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 6 dataBase.checkKeys(keys);
556
557
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 6 return persistentConfig["interval"].toUInt();
558 }
559
560 /////////////////////////////////////////////////////////////////////////////
561 154 void Main::savePersistent()
562 {
563
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 154 if (persistentMap.empty())
564 149 return;
565
566
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 5 LOG4CPLUS_INFO_STR(persistentLog,
567 LOG4CPLUS_TEXT("Saving persistent parameters"));
568
569 // Open database and return if there are problems
570 5 PdServ::Database db(persistentLog,
571
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 10 persistentConfig["database"].toString());
572
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 5 if (!db)
573 ✗ return;
574
575 // Only save signal/parameter pairs. Persistent paremters are saved as
576 // they are changed
577
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 10 for (PersistentMap::iterator it = persistentMap.begin();
578
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 10 it != persistentMap.end(); ++it) {
579 5 const Signal* signal = it->second;
580
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 5 if (!signal)
581 2 continue;
582
583 3 const Parameter* param = it->first;
584
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 3 char buf[param->memSize];
585 3 struct timespec time;
586
587 log_debug("Save %s", signal->path.c_str());
588
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 3 if (getPersistentSignalValue(signal, buf, &time)) {
589
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 3 db.save(param, buf, &time);
590
591
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 3 if (persistentLogTraceOn) {
592 ✗ std::ostringstream os;
593 ✗ os.imbue(std::locale::classic());
594 ✗ os << param->path;
595
596 ✗ os << " = ";
597
598 ✗ param->dtype.print(os, buf, buf, buf + param->memSize);
599
600 ✗ LOG4CPLUS_INFO_STR(persistentLogTrace,
601 LOG4CPLUS_STRING_TO_TSTRING(os.str()));
602 }
603
604
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 3 LOG4CPLUS_DEBUG(persistentLog,
605 LOG4CPLUS_TEXT("Saved persistent parameter ")
606 << LOG4CPLUS_STRING_TO_TSTRING(param->path)
607 << LOG4CPLUS_TEXT(" from signal ")
608 << LOG4CPLUS_STRING_TO_TSTRING(signal->path));
609 }
610 5 }
611 }
612
613 /////////////////////////////////////////////////////////////////////////////
614 27 void Main::newEvent(const Event* event,
615 size_t index, int i_state, const struct timespec* time)
616 {
617
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 54 pthread::WriteLock lock(eventMutex);
618
619 27 bool state = i_state >= 0;
620
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 27 EventInstanceVector*& vec = eventMap[event];
621
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 27 if (!vec)
622
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 14 vec = new EventInstanceVector(event->nelem);
623
624
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 27 EventInstance*& instance = vec->at(index);
625
626
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 27 if (!state and !instance)
627 ✗ return;
628
629 27 Event::Priority priority = state
630
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 38 ? static_cast<Event::Priority>(i_state)
631 11 : instance->priority;
632
633 // Check whether instance has been outcast from eventInstance and
634 // lives in separate memory
635
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 54 if (instance
636
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 27 and (instance < &eventInstance.front()
637
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 11 or instance > &eventInstance.back())) {
638 ✗ danglingInstances.erase(instance);
639 ✗ delete instance;
640 }
641
642 // Make sure that the event in history list has been reset.
643 // Otherwise separate it out and make it dangling
644
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 27 if (eventPtr->event and eventPtr->state) {
645 EventInstance*& instPtrRef =
646 ✗ eventMap[eventPtr->event]->at(eventPtr->index);
647 ✗ if (instPtrRef == eventPtr) {
648 ✗ instPtrRef = new EventInstance;
649 ✗ *instPtrRef = *eventPtr;
650 ✗ danglingInstances.insert(instPtrRef);
651 }
652 }
653
654 // Let instance point to new event
655
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 27 instance = state ? eventPtr : 0;
656
657 27 eventPtr->event = event;
658 27 eventPtr->index = index;
659 27 eventPtr->priority = priority;
660 27 eventPtr->seqNo = eventSeqNo++;
661 27 eventPtr->time = *time;
662 27 eventPtr->state = state;
663
664
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 27 if (eventPtr++ == &eventInstance.back())
665 ✗ eventPtr = &eventInstance.front();
666
667 log4cplus::LogLevel log_prio;
668
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 27 switch (priority) {
669 22 case PdServ::Event::Emergency:
670 case PdServ::Event::Alert:
671 case PdServ::Event::Critical:
672 22 log_prio = log4cplus::FATAL_LOG_LEVEL;
673 22 break;
674 ✗ case PdServ::Event::Error:
675 ✗ log_prio = log4cplus::ERROR_LOG_LEVEL;
676 ✗ break;
677 5 case PdServ::Event::Warning:
678 5 log_prio = log4cplus::WARN_LOG_LEVEL;
679 5 break;
680 ✗ case PdServ::Event::Notice:
681 case PdServ::Event::Info:
682 ✗ log_prio = log4cplus::INFO_LOG_LEVEL;
683 ✗ break;
684 ✗ case PdServ::Event::Debug:
685 default:
686 ✗ log_prio = log4cplus::DEBUG_LOG_LEVEL;
687 ✗ break;
688 }
689
690
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 54 log4cplus::tostringstream os;
691
692
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 27 os << time->tv_sec << '.'
693
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 27 << std::setw(6) << std::setfill('0') << time->tv_nsec/1000
694 << std::setw(0)
695
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 27 << LOG4CPLUS_TEXT(": ");
696
697
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 27 if (!state) {
698 11 log_prio = log4cplus::INFO_LOG_LEVEL;
699
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 11 os << LOG4CPLUS_TEXT("RESET ");
700 }
701
702
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 27 os << '/' << LOG4CPLUS_STRING_TO_TSTRING(event->path);
703
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 27 if (event->nelem > 1)
704
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 17 os << '[' << index << ']';
705
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 27 os << '/' << '/';
706
707
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 27 if (state and event->message and event->message[index])
708 os << ' '
709
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 16 << LOG4CPLUS_C_STR_TO_TSTRING(gettext(event->message[index]));
710
711
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 27 eventLog.log(log_prio, os.str());
712 }
713
714 /////////////////////////////////////////////////////////////////////////////
715 10166 const Main::EventInstance* Main::m_getEventInstance(uint32_t seqNo) const
716 {
717 10166 size_t ptr = size_t(seqNo) - eventInstance.front().seqNo;
718 10166 size_t len = eventInstance.size();
719
720
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 10166 if (ptr >= len)
721 9971 ptr += len;
722
723
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 10166 return ptr < len ? &eventInstance[ptr] : 0;
724 }
725
726 /////////////////////////////////////////////////////////////////////////////
727 21 void Main::getActiveEvents(std::list<EventData>* list) const
728 {
729 42 pthread::ReadLock lock(eventMutex);
730
731 // A set of sorted instances
732 typedef std::set<const EventInstance*, EventInstance> EventDataSet;
733 42 EventDataSet set;
734
735 38 for (EventInstanceMap::const_iterator it = eventMap.begin();
736
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 38 it != eventMap.end(); ++it) {
737 17 const EventInstanceVector* vec = it->second;
738 52 for (EventInstanceVector::const_iterator it2 = vec->begin();
739
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 52 it2 != vec->end(); ++it2) {
740 35 const EventInstance* instance = *it2;
741
742
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 35 if (instance and instance->state)
743
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 9 set.insert(instance);
744 }
745 }
746
747 // Add last event as well
748 21 const EventInstance* last = m_getEventInstance(eventSeqNo-1);
749
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 21 if (last)
750
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 17 set.insert(last);
751
752
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 39 for (EventDataSet::iterator it = set.begin(); it != set.end(); ++it)
753
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 18 list->push_back(**it);
754 21 }
755
756 /////////////////////////////////////////////////////////////////////////////
757 10145 EventData Main::getEvent(uint32_t seqNo) const
758 {
759 20290 pthread::ReadLock lock(eventMutex);
760 static EventData nullEvent;
761
762 10145 const EventInstance* e = m_getEventInstance(seqNo);
763
764
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 20290 return e and e->event and e->seqNo == seqNo ? *e : nullEvent;
765 }
766
767 /////////////////////////////////////////////////////////////////////////////
768 148 uint32_t Main::getCurrentEventId() const
769 {
770 296 pthread::ReadLock lock(eventMutex);
771 296 return eventSeqNo;
772 }
773
774 /////////////////////////////////////////////////////////////////////////////
775 148 void Main::prepare(Session* /*session*/) const
776 {
777 148 }
778
779 /////////////////////////////////////////////////////////////////////////////
780 148 void Main::cleanup(const Session* /*session*/) const
781 {
782 148 }
783
784 /////////////////////////////////////////////////////////////////////////////
785 /////////////////////////////////////////////////////////////////////////////
786 #ifdef GNUTLS_FOUND
787 /////////////////////////////////////////////////////////////////////////////
788 154 int Main::setupTLS(Config tlsConf, log4cplus::Logger& logger)
789 {
790 int result;
791 154 verifyClient = false;
792
793
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 154 if (!tlsConf)
794 83 return 0;
795
796
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 71 LOG4CPLUS_INFO_STR(logger,
797 LOG4CPLUS_TEXT("Starting TLS configuration"));
798
799
800 // GnuTLS logging facility
801
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 71 int logLevel = tlsConf["loglevel"].toUInt();
802
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 71 if (logLevel > 0) {
803 ✗ gnutls_global_set_log_level(logLevel);
804 ✗ gnutls_global_set_log_function([](int /*prio*/, const char *err) {
805 ✗ tlsLogger.forcedLog(
806 ✗ log4cplus::INFO_LOG_LEVEL, LOG4CPLUS_C_STR_TO_TSTRING(err));
807 ✗ });
808 ✗ ::tlsLogger = logger;
809 }
810
811
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 71 result = gnutls_global_init();
812
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 71 if (result) {
813 ✗ LOG4CPLUS_FATAL(logger,
814 LOG4CPLUS_TEXT("gnutls_global_init() failed: ")
815 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
816 << LOG4CPLUS_TEXT(" (")
817 << LOG4CPLUS_C_STR_TO_TSTRING(
818 gnutls_strerror_name(result))
819 << LOG4CPLUS_TEXT(")"));
820 ✗ return result;
821 }
822
823 71 gnutls_dh_params_t p = nullptr;
824
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 71 result = gnutls_dh_params_init(&p); // Allocate memory
825
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 71 if (result) {
826 ✗ LOG4CPLUS_FATAL(logger,
827 LOG4CPLUS_TEXT("gnutls_dh_params_init() failed: ")
828 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
829 << LOG4CPLUS_TEXT(" (")
830 << LOG4CPLUS_C_STR_TO_TSTRING(
831 gnutls_strerror_name(result))
832 << LOG4CPLUS_TEXT(")"));
833 ✗ return result;
834 }
835 71 dh_params.reset(p);
836
837
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 142 Config dh(tlsConf["dh"]);
838
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 71 if (dh) {
839 ✗ FILE* fd = fopen(dh.toString().c_str(), "r");
840 ✗ struct stat sb;
841
842 ✗ if (!fd or fstat(fileno(fd), &sb)) {
843 ✗ const char* func = fd ? "fstat" : "fdopen";
844 ✗ LOG4CPLUS_WARN(logger,
845 LOG4CPLUS_C_STR_TO_TSTRING(func)
846 << LOG4CPLUS_TEXT("(")
847 << LOG4CPLUS_STRING_TO_TSTRING(dh.toString())
848 << LOG4CPLUS_TEXT(") failed: ")
849 << LOG4CPLUS_C_STR_TO_TSTRING(strerror(errno))
850 << LOG4CPLUS_TEXT(" (")
851 << errno
852 << LOG4CPLUS_TEXT(")"));
853 ✗ sb.st_size = 0;
854 }
855 else {
856 ✗ unsigned char buf[sb.st_size];
857 ✗ gnutls_datum_t params;
858 ✗ params.size = fread(buf, 1, sb.st_size, fd);
859 ✗ params.data = buf;
860
861 ✗ result = gnutls_dh_params_import_pkcs3(
862 ✗ dh_params.get(), &params, GNUTLS_X509_FMT_PEM);
863
864 ✗ if (result) {
865 ✗ LOG4CPLUS_FATAL(logger,
866 LOG4CPLUS_TEXT("gnutls_dh_params_import_pkcs3(")
867 << LOG4CPLUS_STRING_TO_TSTRING(dh.toString())
868 << LOG4CPLUS_TEXT(") failed: ")
869 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
870 << LOG4CPLUS_TEXT(" (")
871 << LOG4CPLUS_C_STR_TO_TSTRING(
872 gnutls_strerror_name(result))
873 << LOG4CPLUS_TEXT(")"));
874 ✗ return result;
875 }
876 else {
877 ✗ LOG4CPLUS_INFO_STR(logger,
878 LOG4CPLUS_TEXT(
879 "Successfully loaded DH parameters from file"));
880 }
881 }
882
883 ✗ if (fd)
884 ✗ fclose(fd);
885 }
886 else {
887
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 71 unsigned int bits(tlsConf["dh-bits"].toUInt(1024));
888
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 71 result = gnutls_dh_params_generate2(dh_params.get(), bits);
889
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 71 if (result) {
890 ✗ LOG4CPLUS_FATAL(logger,
891 LOG4CPLUS_TEXT("gnutls_dh_params_generate2(")
892 << bits
893 << LOG4CPLUS_TEXT(") failed: ")
894 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
895 << LOG4CPLUS_TEXT(" (")
896 << LOG4CPLUS_C_STR_TO_TSTRING(
897 gnutls_strerror_name(result))
898 << LOG4CPLUS_TEXT(")"));
899 ✗ return result;
900 }
901 else {
902
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 71 LOG4CPLUS_INFO(logger,
903 LOG4CPLUS_TEXT(
904 "Successfully generated DH parameters with ")
905 << bits
906 << LOG4CPLUS_TEXT(" bits"));
907 }
908 }
909
910 // Set priority string
911
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 142 std::string priority(tlsConf["priority"].toString("NORMAL"));
912 71 const char* errpos = 0;
913 71 gnutls_priority_t prio = nullptr;
914
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 71 result = gnutls_priority_init(&prio, priority.c_str(), &errpos);
915
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 71 if (result) {
916 ✗ LOG4CPLUS_FATAL(logger,
917 LOG4CPLUS_TEXT("gnutls_priority_init(")
918 << LOG4CPLUS_STRING_TO_TSTRING(priority)
919 << LOG4CPLUS_TEXT(") failed at position ")
920 << (errpos - priority.c_str())
921 << LOG4CPLUS_TEXT(": ")
922 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
923 << LOG4CPLUS_TEXT(" (")
924 << LOG4CPLUS_C_STR_TO_TSTRING(
925 gnutls_strerror_name(result))
926 << LOG4CPLUS_TEXT(")"));
927 ✗ return result;
928 }
929 else {
930
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 71 LOG4CPLUS_INFO_STR(logger,
931 LOG4CPLUS_TEXT("Successfully initialized priority string"));
932 71 priority_cache.reset(prio);
933 }
934
935 71 gnutls_certificate_credentials_t cc = nullptr;
936
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 71 result = gnutls_certificate_allocate_credentials(&cc);
937
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 71 if (result) {
938 ✗ LOG4CPLUS_FATAL(logger,
939 LOG4CPLUS_TEXT(
940 "gnutls_certificate_allocate_credentials() failed: ")
941 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
942 << LOG4CPLUS_TEXT(" (")
943 << LOG4CPLUS_C_STR_TO_TSTRING(
944 gnutls_strerror_name(result))
945 << LOG4CPLUS_TEXT(")"));
946 ✗ return result;
947 }
948 71 tls.reset(cc);
949
950
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 71 gnutls_certificate_set_dh_params(tls.get(), dh_params.get());
951
952
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 142 std::string cert(tlsConf["cert"].toString());
953
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 142 std::string key(tlsConf["key"].toString());
954
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 142 result = gnutls_certificate_set_x509_key_file(
955 71 tls.get(), cert.c_str(), key.c_str(), GNUTLS_X509_FMT_PEM);
956
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 71 if (result) {
957 ✗ LOG4CPLUS_FATAL(logger,
958 LOG4CPLUS_TEXT("gnutls_certificate_set_x509_key_file(")
959 << LOG4CPLUS_TEXT("key=")
960 << LOG4CPLUS_STRING_TO_TSTRING(key)
961 << LOG4CPLUS_TEXT(", cert=")
962 << LOG4CPLUS_STRING_TO_TSTRING(cert)
963 << LOG4CPLUS_TEXT(") failed: ")
964 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
965 << LOG4CPLUS_TEXT(" (")
966 << LOG4CPLUS_C_STR_TO_TSTRING(
967 gnutls_strerror_name(result))
968 << LOG4CPLUS_TEXT(")"));
969 ✗ tls.reset();
970 ✗ return result;
971 }
972 else {
973
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 71 LOG4CPLUS_INFO_STR(logger,
974 LOG4CPLUS_TEXT(
975 "Successfully loaded server key and certificate"));
976 }
977
978
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 71 parseCertConfigItem(logger, tlsConf["ca"], &Main::loadTrustFile);
979
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 71 parseCertConfigItem(logger, tlsConf["crl"], &Main::loadCrlFile);
980
981 71 return 0;
982 }
983
984 /////////////////////////////////////////////////////////////////////////////
985 157 void Main::destroyTLS()
986 {
987 157 gnutls_global_deinit();
988 157 }
989
990 /////////////////////////////////////////////////////////////////////////////
991 28 void Main::loadTrustFile(log4cplus::Logger& logger, const char* cafile)
992 {
993 28 int result = gnutls_certificate_set_x509_trust_file(
994 56 tls.get(), cafile, GNUTLS_X509_FMT_PEM);
995
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 28 if (result > 0) {
996
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 28 LOG4CPLUS_INFO(logger,
997 LOG4CPLUS_TEXT("Successfully loaded ")
998 << result
999 << LOG4CPLUS_TEXT(" certificates from ")
1000 << LOG4CPLUS_C_STR_TO_TSTRING(cafile));
1001 }
1002 ✗ else if (result == 0) {
1003 ✗ LOG4CPLUS_WARN(logger,
1004 LOG4CPLUS_TEXT("gnutls_certificate_set_x509_trust_file(): ")
1005 << LOG4CPLUS_STRING_TO_TSTRING(cafile)
1006 << LOG4CPLUS_TEXT(" contains no certificate authorities."));
1007 ✗ throw PdServ::Errno(EINVAL);
1008 }
1009 else {
1010 ✗ LOG4CPLUS_WARN(logger,
1011 LOG4CPLUS_TEXT("gnutls_certificate_set_x509_trust_file(")
1012 << LOG4CPLUS_STRING_TO_TSTRING(cafile)
1013 << LOG4CPLUS_TEXT(") failed: ")
1014 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
1015 << LOG4CPLUS_TEXT(" (")
1016 << LOG4CPLUS_C_STR_TO_TSTRING(
1017 gnutls_strerror_name(result))
1018 << LOG4CPLUS_TEXT(")"));
1019 ✗ throw PdServ::Errno(result);
1020 }
1021 28 }
1022
1023 /////////////////////////////////////////////////////////////////////////////
1024 ✗ void Main::loadCrlFile(log4cplus::Logger& logger, const char* crlfile)
1025 {
1026 ✗ struct stat sb;
1027
1028 ✗ LOG4CPLUS_DEBUG(logger,
1029 LOG4CPLUS_TEXT("Considering ")
1030 << LOG4CPLUS_C_STR_TO_TSTRING(crlfile)
1031 << LOG4CPLUS_TEXT(" as CRL file"));
1032
1033 ✗ if (stat(crlfile, &sb) or !S_ISREG(sb.st_mode) or sb.st_size == 0) {
1034 ✗ const char* name = ::basename(crlfile);
1035 ✗ if (name) {
1036 ✗ datum_string str(name);
1037
1038 ✗ blacklist.insert(str);
1039 ✗ LOG4CPLUS_INFO(logger,
1040 LOG4CPLUS_TEXT("Added Key ID ")
1041 << LOG4CPLUS_STRING_TO_TSTRING(std::string(str))
1042 << LOG4CPLUS_TEXT(" to blacklist"));
1043 }
1044 }
1045 else {
1046 ✗ int result = gnutls_certificate_set_x509_crl_file(
1047 ✗ tls.get(), crlfile, GNUTLS_X509_FMT_PEM);
1048 ✗ if (result > 0) {
1049 ✗ LOG4CPLUS_INFO(logger,
1050 LOG4CPLUS_TEXT("Successfully loaded ")
1051 << result
1052 << LOG4CPLUS_TEXT(" revoked certificates from ")
1053 << LOG4CPLUS_C_STR_TO_TSTRING(crlfile));
1054 }
1055 ✗ else if (result == 0) {
1056 ✗ LOG4CPLUS_WARN(logger,
1057 LOG4CPLUS_TEXT("gnutls_certificate_set_x509_crl_file(): ")
1058 << LOG4CPLUS_STRING_TO_TSTRING(crlfile)
1059 << LOG4CPLUS_TEXT(" contains no CRL."));
1060 ✗ throw PdServ::Errno(EINVAL);
1061 }
1062 else {
1063 ✗ LOG4CPLUS_WARN(logger,
1064 LOG4CPLUS_TEXT("gnutls_certificate_set_x509_crl_file(")
1065 << LOG4CPLUS_STRING_TO_TSTRING(crlfile)
1066 << LOG4CPLUS_TEXT(") failed: ")
1067 << LOG4CPLUS_C_STR_TO_TSTRING(gnutls_strerror(result))
1068 << LOG4CPLUS_TEXT(" (")
1069 << LOG4CPLUS_C_STR_TO_TSTRING(
1070 gnutls_strerror_name(result))
1071 << LOG4CPLUS_TEXT(")"));
1072 ✗ throw PdServ::Errno(result);
1073 }
1074 }
1075 }
1076
1077 /////////////////////////////////////////////////////////////////////////////
1078 28 void Main::parseCertConfigDir(log4cplus::Logger& logger, const char* path,
1079 void (Main::*loadFunc)(log4cplus::Logger&, const char*))
1080 {
1081
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 28 DIR* dir = opendir(path);
1082 struct dirent* entry;
1083
1084
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 28 if (dir)
1085 ✗ while ((entry = readdir(dir))) {
1086 ✗ if (entry->d_name[0] != '.') {
1087 ✗ std::string name(path);
1088 ✗ name.append(1,'/');
1089 ✗ name.append(entry->d_name);
1090 ✗ parseCertConfigDir(logger, name.c_str(), loadFunc);
1091 }
1092 }
1093 else
1094
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 28 (this->*loadFunc)(logger, path);
1095 28 }
1096
1097 /////////////////////////////////////////////////////////////////////////////
1098 142 void Main::parseCertConfigItem(log4cplus::Logger& logger, Config config,
1099 void (Main::*loadFunc)(log4cplus::Logger&, const char*))
1100 {
1101
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 142 if (!config)
1102 114 return;
1103
1104 28 verifyClient = true;
1105 28 gnutls_certificate_set_verify_function(
1106 28 tls.get(), Session::gnutls_verify_client);
1107
1108 28 size_t i = 0;
1109
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 84 while (Config item = config[i++])
1110
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 56 parseCertConfigDir(logger, item.toString().c_str(), loadFunc);
1111 }
1112
1113 /////////////////////////////////////////////////////////////////////////////
1114 151 bool Main::tlsReady() const
1115 {
1116 151 return static_cast<bool>(tls);
1117 }
1118
1119 /////////////////////////////////////////////////////////////////////////////
1120 66 void Main::initTlsSessionData(gnutls_session_t session) const
1121 {
1122 66 gnutls_priority_set(session, priority_cache.get());
1123 66 gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, tls.get());
1124
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 66 if (verifyClient)
1125 28 gnutls_certificate_server_set_request(session, GNUTLS_CERT_REQUIRE);
1126
1127
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 132 gnutls_db_set_retrieve_function(session, [](void *ptr, gnutls_datum_t key) {
1128 ✗ return reinterpret_cast<TlsSessionDB *>(ptr)->retrieve(key);
1129 66 });
1130
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 132 gnutls_db_set_remove_function(session, [](void *ptr, gnutls_datum_t key) {
1131 ✗ return reinterpret_cast<TlsSessionDB *>(ptr)->erase(key);
1132 66 });
1133
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 66 gnutls_db_set_store_function(
1134 66 session, [](void *ptr, gnutls_datum_t key, gnutls_datum_t data) {
1135 ✗ return reinterpret_cast<TlsSessionDB *>(ptr)->store(key, data);
1136 66 });
1137 66 gnutls_db_set_ptr(session, &tlsSessionDB);
1138 66 }
1139
1140 /////////////////////////////////////////////////////////////////////////////
1141
1142 #endif
1143
1144 /////////////////////////////////////////////////////////////////////////////
1145 154 void Main::setupAccessControl(const Config& config)
1146 {
1147
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 308 const std::string guest = config["guest"].toString();
1148
1149 154 m_loginMandatory = guest == "deny";
1150
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 154 m_write = guest.empty() or guest == "write";
1151 154 }
1152
1153 /////////////////////////////////////////////////////////////////////////////
1154 751 bool Main::loginMandatory() const
1155 {
1156
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 751 return m_loginMandatory;
1157 9 }
1158