1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
9 #include "ui_interface.h"
13 #include <boost/algorithm/string/join.hpp>
14 #include <boost/program_options/detail/config_file.hpp>
15 #include <boost/program_options/parsers.hpp>
16 #include <boost/filesystem.hpp>
17 #include <boost/filesystem/fstream.hpp>
18 #include <boost/date_time/posix_time/posix_time.hpp>
19 #include <boost/thread.hpp>
21 #include <openssl/crypto.h>
22 #include <openssl/rand.h>
28 #define _WIN32_WINNT 0x0501
32 #define _WIN32_IE 0x0501
33 #define WIN32_LEAN_AND_MEAN 1
37 #include <io.h> /* for _commit */
39 #elif defined(__linux__)
40 #include <sys/prctl.h>
43 #if !defined(WIN32) && !defined(ANDROID)
48 namespace bt = boost::posix_time;
50 map<string, string> mapArgs;
51 map<string, vector<string> > mapMultiArgs;
53 bool fDebugNet = false;
54 bool fPrintToConsole = false;
55 bool fPrintToDebugger = false;
56 bool fRequestShutdown = false;
57 bool fShutdown = false;
60 bool fCommandLine = false;
61 string strMiscWarning;
62 bool fTestNet = false;
63 bool fNoListen = false;
64 bool fLogTimestamps = false;
65 CMedianFilter<int64_t> vTimeOffsets(200,0);
66 bool fReopenDebugLog = false;
68 // Extended DecodeDumpTime implementation, see this page for details:
69 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
70 const locale formats[] = {
71 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
72 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
73 locale(locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
74 locale(locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
75 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
78 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
80 time_t pt_to_time_t(const bt::ptime& pt)
82 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
83 bt::time_duration diff = pt - timet_start;
84 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
87 // Init OpenSSL library multithreading support
88 static CCriticalSection** ppmutexOpenSSL;
89 void locking_callback(int mode, int i, const char* file, int line)
91 if (mode & CRYPTO_LOCK) {
92 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
94 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
98 LockedPageManager LockedPageManager::instance;
106 // Init OpenSSL library multithreading support
107 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
108 for (int i = 0; i < CRYPTO_num_locks(); i++)
109 ppmutexOpenSSL[i] = new CCriticalSection();
110 CRYPTO_set_locking_callback(locking_callback);
113 // Seed random number generator with screen scrape and other hardware sources
117 // Seed random number generator with performance counter
122 // Shutdown OpenSSL library multithreading support
123 CRYPTO_set_locking_callback(NULL);
124 for (int i = 0; i < CRYPTO_num_locks(); i++)
125 delete ppmutexOpenSSL[i];
126 OPENSSL_free(ppmutexOpenSSL);
133 // Seed with CPU performance counter
134 int64_t nCounter = GetPerformanceCounter();
135 RAND_add(&nCounter, sizeof(nCounter), 1.5);
136 memset(&nCounter, 0, sizeof(nCounter));
139 void RandAddSeedPerfmon()
143 // This can take up to 2 seconds, so only do it every 10 minutes
144 static int64_t nLastPerfmon;
145 if (GetTime() < nLastPerfmon + 10 * 60)
147 nLastPerfmon = GetTime();
150 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
151 // Seed with the entire set of perfmon data
152 unsigned char pdata[250000];
153 memset(pdata, 0, sizeof(pdata));
154 unsigned long nSize = sizeof(pdata);
155 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
156 RegCloseKey(HKEY_PERFORMANCE_DATA);
157 if (ret == ERROR_SUCCESS)
159 RAND_add(pdata, nSize, nSize/100.0);
160 OPENSSL_cleanse(pdata, nSize);
161 printf("RandAddSeed() %lu bytes\n", nSize);
166 uint64_t GetRand(uint64_t nMax)
171 // The range of the random source must be a multiple of the modulus
172 // to give every possible output value an equal possibility
173 uint64_t nRange = (numeric_limits<uint64_t>::max() / nMax) * nMax;
176 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
177 while (nRand >= nRange);
178 return (nRand % nMax);
181 int GetRandInt(int nMax)
183 return static_cast<int>(GetRand(nMax));
186 uint256 GetRandHash()
189 RAND_bytes(hash.begin(), hash.size());
193 void FillRand(uint8_t *buffer, size_t nCount)
195 RAND_bytes(buffer, nCount);
198 static FILE* fileout = NULL;
200 inline int OutputDebugStringF(const char* pszFormat, ...)
207 va_start(arg_ptr, pszFormat);
208 ret = vprintf(pszFormat, arg_ptr);
211 else if (!fPrintToDebugger)
213 // print to debug.log
217 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
218 fileout = fopen(pathDebug.string().c_str(), "a");
219 if (fileout) setbuf(fileout, NULL); // unbuffered
223 static bool fStartedNewLine = true;
225 // This routine may be called by global destructors during shutdown.
226 // Since the order of destruction of static/global objects is undefined,
227 // allocate mutexDebugLog on the heap the first time this routine
228 // is called to avoid crashes during shutdown.
229 static boost::mutex* mutexDebugLog = NULL;
230 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
231 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
233 // reopen the log file, if requested
234 if (fReopenDebugLog) {
235 fReopenDebugLog = false;
236 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
237 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
238 setbuf(fileout, NULL); // unbuffered
241 // Debug print useful for profiling
242 if (fLogTimestamps && fStartedNewLine)
243 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
244 if (pszFormat[strlen(pszFormat) - 1] == '\n')
245 fStartedNewLine = true;
247 fStartedNewLine = false;
250 va_start(arg_ptr, pszFormat);
251 ret = vfprintf(fileout, pszFormat, arg_ptr);
257 if (fPrintToDebugger)
259 static CCriticalSection cs_OutputDebugStringF;
261 // accumulate and output a line at a time
263 LOCK(cs_OutputDebugStringF);
264 static string buffer;
267 va_start(arg_ptr, pszFormat);
268 buffer += vstrprintf(pszFormat, arg_ptr);
271 size_t line_start = 0, line_end;
272 while((line_end = buffer.find('\n', line_start)) != string::npos)
274 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
275 line_start = line_end + 1;
277 buffer.erase(0, line_start);
284 string vstrprintf(const char *format, va_list ap)
288 int limit = sizeof(buffer);
294 va_copy(arg_ptr, ap);
296 va_list arg_ptr = ap;
299 ret = _vsnprintf(p, limit, format, arg_ptr);
301 ret = vsnprintf(p, limit, format, arg_ptr);
304 if (ret >= 0 && ret < limit)
309 p = new(nothrow) char[limit];
313 string str(p, p+ret);
319 string real_strprintf(const char *format, int dummy, ...)
322 va_start(arg_ptr, dummy);
323 string str = vstrprintf(format, arg_ptr);
328 string real_strprintf(const string &format, int dummy, ...)
331 va_start(arg_ptr, dummy);
332 string str = vstrprintf(format.c_str(), arg_ptr);
337 bool error(const char *format, ...)
340 va_start(arg_ptr, format);
341 string str = vstrprintf(format, arg_ptr);
343 printf("ERROR: %s\n", str.c_str());
348 void ParseString(const string& str, char c, vector<string>& v)
352 string::size_type i1 = 0;
353 string::size_type i2;
356 i2 = str.find(c, i1);
359 v.push_back(str.substr(i1));
362 v.push_back(str.substr(i1, i2-i1));
367 string FormatMoney(int64_t n, bool fPlus)
369 // Note: not using straight sprintf here because we do NOT want
370 // localized number formatting.
371 int64_t n_abs = (n > 0 ? n : -n);
372 int64_t quotient = n_abs/COIN;
373 int64_t remainder = n_abs%COIN;
374 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
376 // Right-trim excess zeros before the decimal point:
378 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
381 str.erase(str.size()-nTrim, nTrim);
384 str.insert(0u, 1, '-');
385 else if (fPlus && n > 0)
386 str.insert(0u, 1, '+');
390 bool ParseMoney(const string& str, int64_t& nRet)
392 return ParseMoney(str.c_str(), nRet);
395 bool ParseMoney(const char* pszIn, int64_t& nRet)
399 const char* p = pszIn;
407 int64_t nMult = CENT*10;
408 while (isdigit(*p) && (nMult > 0))
410 nUnits += nMult * (*p++ - '0');
419 strWhole.insert(strWhole.end(), *p);
424 if (strWhole.size() > 10) // guard against 63 bit overflow
426 if (nUnits < 0 || nUnits > COIN)
428 int64_t nWhole = strtoll(strWhole);
429 int64_t nValue = nWhole*COIN + nUnits;
435 static const int8_t phexdigit[256] =
437 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
438 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
439 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
440 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1,
441 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
442 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
443 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
444 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
445 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
446 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
447 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
448 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
449 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
450 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
451 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
452 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
455 bool IsHex(const string& str)
457 for(unsigned char c : str)
459 if (phexdigit[c] < 0)
462 return (str.size() > 0) && (str.size()%2 == 0);
465 vector<unsigned char> ParseHex(const char* psz)
467 // convert hex dump to vector
468 vector<unsigned char> vch;
471 while (isspace(*psz))
473 auto c = phexdigit[(unsigned char)*psz++];
474 if (c == (signed char)-1)
477 c = phexdigit[(uint8_t)*psz++];
486 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
488 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
489 if (name.find("-no") == 0)
491 string positive("-");
492 positive.append(name.begin()+3, name.end());
493 if (mapSettingsRet.count(positive) == 0)
495 bool value = !GetBoolArg(name);
496 mapSettingsRet[positive] = (value ? "1" : "0");
501 void ParseParameters(int argc, const char* const argv[])
504 mapMultiArgs.clear();
505 for (int i = 1; i < argc; i++)
509 size_t is_index = str.find('=');
510 if (is_index != string::npos)
512 strValue = str.substr(is_index+1);
513 str = str.substr(0, is_index);
516 transform(str.begin(), str.end(), str.begin(), ::tolower);
517 if (str.compare(0,1, "/") == 0)
518 str = "-" + str.substr(1);
523 mapArgs[str] = strValue;
524 mapMultiArgs[str].push_back(strValue);
528 for(const auto& entry : mapArgs)
530 string name = entry.first;
532 // interpret --foo as -foo (as long as both are not set)
533 if (name.find("--") == 0)
535 string singleDash(name.begin()+1, name.end());
536 if (mapArgs.count(singleDash) == 0)
537 mapArgs[singleDash] = entry.second;
541 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
542 InterpretNegativeSetting(name, mapArgs);
546 string GetArg(const string& strArg, const string& strDefault)
548 if (mapArgs.count(strArg))
549 return mapArgs[strArg];
553 int64_t GetArg(const string& strArg, int64_t nDefault)
555 if (mapArgs.count(strArg))
556 return strtoll(mapArgs[strArg]);
560 int32_t GetArgInt(const string& strArg, int32_t nDefault)
562 if (mapArgs.count(strArg))
563 return strtol(mapArgs[strArg]);
567 uint32_t GetArgUInt(const string& strArg, uint32_t nDefault)
569 if (mapArgs.count(strArg))
570 return strtoul(mapArgs[strArg]);
574 bool GetBoolArg(const string& strArg, bool fDefault)
576 if (mapArgs.count(strArg))
578 if (mapArgs[strArg].empty())
580 return (atoi(mapArgs[strArg]) != 0);
585 bool SoftSetArg(const string& strArg, const string& strValue)
587 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
589 mapArgs[strArg] = strValue;
590 mapMultiArgs[strArg].push_back(strValue);
595 bool SoftSetBoolArg(const string& strArg, bool fValue)
598 return SoftSetArg(strArg, string("1"));
600 return SoftSetArg(strArg, string("0"));
604 string EncodeBase64(const unsigned char* pch, size_t len)
606 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
609 strRet.reserve((len+2)/3*4);
612 const unsigned char *pchEnd = pch+len;
619 case 0: // we have no bits
620 strRet += pbase64[enc >> 2];
621 left = (enc & 3) << 4;
625 case 1: // we have two bits
626 strRet += pbase64[left | (enc >> 4)];
627 left = (enc & 15) << 2;
631 case 2: // we have four bits
632 strRet += pbase64[left | (enc >> 6)];
633 strRet += pbase64[enc & 63];
641 strRet += pbase64[left];
650 string EncodeBase64(const string& str)
652 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
655 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
657 static const int decode64_table[256] =
659 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
660 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
661 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
662 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
663 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
664 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
665 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
666 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
667 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
668 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
669 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
670 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
671 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
677 vector<unsigned char> vchRet;
678 vchRet.reserve(strlen(p)*3/4);
685 int dec = decode64_table[(unsigned char)*p];
686 if (dec == -1) break;
690 case 0: // we have no bits and get 6
695 case 1: // we have 6 bits and keep 4
696 vchRet.push_back((left<<2) | (dec>>4));
701 case 2: // we have 4 bits and get 6, we keep 2
702 vchRet.push_back((left<<4) | (dec>>2));
707 case 3: // we have 2 bits and get 6
708 vchRet.push_back((left<<6) | dec);
717 case 0: // 4n base64 characters processed: ok
720 case 1: // 4n+1 base64 character processed: impossible
724 case 2: // 4n+2 base64 characters processed: require '=='
725 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
729 case 3: // 4n+3 base64 characters processed: require '='
730 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
738 string DecodeBase64(const string& str)
740 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
741 return string((const char*)&vchRet[0], vchRet.size());
744 string EncodeBase32(const unsigned char* pch, size_t len)
746 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
749 strRet.reserve((len+4)/5*8);
752 const unsigned char *pchEnd = pch+len;
759 case 0: // we have no bits
760 strRet += pbase32[enc >> 3];
761 left = (enc & 7) << 2;
765 case 1: // we have three bits
766 strRet += pbase32[left | (enc >> 6)];
767 strRet += pbase32[(enc >> 1) & 31];
768 left = (enc & 1) << 4;
772 case 2: // we have one bit
773 strRet += pbase32[left | (enc >> 4)];
774 left = (enc & 15) << 1;
778 case 3: // we have four bits
779 strRet += pbase32[left | (enc >> 7)];
780 strRet += pbase32[(enc >> 2) & 31];
781 left = (enc & 3) << 3;
785 case 4: // we have two bits
786 strRet += pbase32[left | (enc >> 5)];
787 strRet += pbase32[enc & 31];
792 static const int nPadding[5] = {0, 6, 4, 3, 1};
795 strRet += pbase32[left];
796 for (int n=0; n<nPadding[mode]; n++)
803 string EncodeBase32(const string& str)
805 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
808 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
810 static const int decode32_table[256] =
812 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
813 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
814 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
815 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
816 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
817 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
818 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
819 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
820 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
821 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
822 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
823 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
824 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
830 vector<unsigned char> vchRet;
831 vchRet.reserve((strlen(p))*5/8);
838 int dec = decode32_table[(unsigned char)*p];
839 if (dec == -1) break;
843 case 0: // we have no bits and get 5
848 case 1: // we have 5 bits and keep 2
849 vchRet.push_back((left<<3) | (dec>>2));
854 case 2: // we have 2 bits and keep 7
855 left = left << 5 | dec;
859 case 3: // we have 7 bits and keep 4
860 vchRet.push_back((left<<1) | (dec>>4));
865 case 4: // we have 4 bits, and keep 1
866 vchRet.push_back((left<<4) | (dec>>1));
871 case 5: // we have 1 bit, and keep 6
872 left = left << 5 | dec;
876 case 6: // we have 6 bits, and keep 3
877 vchRet.push_back((left<<2) | (dec>>3));
882 case 7: // we have 3 bits, and keep 0
883 vchRet.push_back((left<<5) | dec);
892 case 0: // 8n base32 characters processed: ok
895 case 1: // 8n+1 base32 characters processed: impossible
901 case 2: // 8n+2 base32 characters processed: require '======'
902 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
906 case 4: // 8n+4 base32 characters processed: require '===='
907 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
911 case 5: // 8n+5 base32 characters processed: require '==='
912 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
916 case 7: // 8n+7 base32 characters processed: require '='
917 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
925 string DecodeBase32(const string& str)
927 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
928 return string((const char*)&vchRet[0], vchRet.size());
932 int64_t DecodeDumpTime(const string& s)
936 for(size_t i=0; i<formats_n; ++i)
939 is.imbue(formats[i]);
941 if(pt != bt::ptime()) break;
944 return pt_to_time_t(pt);
947 string EncodeDumpTime(int64_t nTime) {
948 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
951 string EncodeDumpString(const string &str) {
953 for(unsigned char c : str) {
954 if (c <= 32 || c >= 128 || c == '%') {
955 ret << '%' << HexStr(&c, &c + 1);
963 string DecodeDumpString(const string &str) {
965 for (unsigned int pos = 0; pos < str.length(); pos++) {
966 unsigned char c = str[pos];
967 if (c == '%' && pos+2 < str.length()) {
968 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
969 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
977 bool WildcardMatch(const char* psz, const char* mask)
984 return (*psz == '\0');
986 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1001 bool WildcardMatch(const string& str, const string& mask)
1003 return WildcardMatch(str.c_str(), mask.c_str());
1007 static string FormatException(exception* pex, const char* pszThread)
1010 char pszModule[MAX_PATH] = "";
1011 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1013 const char* pszModule = "novacoin";
1017 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1020 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1023 void LogException(exception* pex, const char* pszThread)
1025 string message = FormatException(pex, pszThread);
1026 printf("\n%s", message.c_str());
1029 void PrintException(exception* pex, const char* pszThread)
1031 string message = FormatException(pex, pszThread);
1032 printf("\n\n************************\n%s\n", message.c_str());
1033 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1034 strMiscWarning = message;
1038 void LogStackTrace() {
1039 printf("\n\n******* exception encountered *******\n");
1042 #if !defined(WIN32) && !defined(ANDROID)
1043 void* pszBuffer[32];
1045 size = backtrace(pszBuffer, 32);
1046 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1051 void PrintExceptionContinue(exception* pex, const char* pszThread)
1053 string message = FormatException(pex, pszThread);
1054 printf("\n\n************************\n%s\n", message.c_str());
1055 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1056 strMiscWarning = message;
1059 boost::filesystem::path GetDefaultDataDir()
1061 namespace fs = boost::filesystem;
1062 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1063 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1064 // Mac: ~/Library/Application Support/NovaCoin
1065 // Unix: ~/.novacoin
1068 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1071 char* pszHome = getenv("HOME");
1072 if (pszHome == NULL || strlen(pszHome) == 0)
1073 pathRet = fs::path("/");
1075 pathRet = fs::path(pszHome);
1078 pathRet /= "Library/Application Support";
1079 fs::create_directory(pathRet);
1080 return pathRet / "NovaCoin";
1083 return pathRet / ".novacoin";
1088 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1090 namespace fs = boost::filesystem;
1092 static fs::path pathCached[2];
1093 static CCriticalSection csPathCached;
1094 static bool cachedPath[2] = {false, false};
1096 fs::path &path = pathCached[fNetSpecific];
1098 // This can be called during exceptions by printf, so we cache the
1099 // value so we don't have to do memory allocations after that.
1100 if (cachedPath[fNetSpecific])
1105 if (mapArgs.count("-datadir")) {
1106 path = fs::system_complete(mapArgs["-datadir"]);
1107 if (!fs::is_directory(path)) {
1112 path = GetDefaultDataDir();
1114 if (fNetSpecific && GetBoolArg("-testnet", false))
1117 fs::create_directory(path);
1119 cachedPath[fNetSpecific]=true;
1123 string randomStrGen(size_t length) {
1124 std::mt19937 mtrand;
1125 mtrand.seed(static_cast<unsigned int>(time(NULL)));
1126 static const string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1128 result.resize(length);
1129 for (size_t i = 0; i < length; ++i)
1130 result[i] = charset[mtrand() % charset.length()];
1137 #if BOOST_FILESYSTEM_VERSION >= 3
1138 pConf.open(GetConfigFile().generic_string().c_str());
1140 pConf.open(GetConfigFile().string().c_str());
1142 pConf << "rpcuser=user\nrpcpassword="
1145 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1147 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1149 + "\nrpcallowip=127.0.0.1";
1153 boost::filesystem::path GetConfigFile()
1155 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1156 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1157 return pathConfigFile;
1160 void ReadConfigFile(map<string, string>& mapSettingsRet,
1161 map<string, vector<string> >& mapMultiSettingsRet)
1163 boost::filesystem::ifstream streamConfig(GetConfigFile());
1164 if (!streamConfig.good())
1167 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1168 if(!streamConfig.good())
1172 set<string> setOptions;
1173 setOptions.insert("*");
1175 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1177 // Don't overwrite existing settings so command line settings override bitcoin.conf
1178 string strKey = string("-") + it->string_key;
1179 if (mapSettingsRet.count(strKey) == 0)
1181 mapSettingsRet[strKey] = it->value[0];
1182 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1183 InterpretNegativeSetting(strKey, mapSettingsRet);
1185 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1189 boost::filesystem::path GetPidFile()
1191 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1192 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1197 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1199 FILE* file = fopen(path.string().c_str(), "w");
1202 fprintf(file, "%d\n", pid);
1208 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1211 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1212 MOVEFILE_REPLACE_EXISTING) != 0;
1214 int rc = rename(src.string().c_str(), dest.string().c_str());
1219 void FileCommit(FILE *fileout)
1221 fflush(fileout); // harmless if redundantly called
1223 _commit(_fileno(fileout));
1225 fsync(fileno(fileout));
1229 int GetFilesize(FILE* file)
1231 int nSavePos = ftell(file);
1233 if (fseek(file, 0, SEEK_END) == 0)
1234 nFilesize = ftell(file);
1235 fseek(file, nSavePos, SEEK_SET);
1239 void ShrinkDebugFile()
1241 // Scroll debug.log if it's getting too big
1242 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1243 FILE* file = fopen(pathLog.string().c_str(), "r");
1244 if (file && GetFilesize(file) > 10 * 1000000)
1246 // Restart the file with some of the end
1248 vector<char>* vBuf = new vector <char>(200000, 0);
1249 size_t nBytes = 1; //write one byte if fseek failed
1250 if (fseek(file, -((long)(vBuf->size())), SEEK_END) == 0)
1251 nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1253 file = fopen(pathLog.string().c_str(), "w");
1256 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1261 catch (const bad_alloc& e) {
1262 // Bad things happen - no free memory in heap at program startup
1264 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1270 // "Never go to sea with two chronometers; take one or three."
1271 // Our three time sources are:
1273 // - Median of other nodes clocks
1274 // - The user (asking the user to fix the system clock if the first two disagree)
1280 int64_t now = time(NULL);
1285 // Trusted NTP offset or median of NTP samples.
1286 extern int64_t nNtpOffset;
1288 // Median of time samples given by other nodes.
1289 static int64_t nNodesOffset = numeric_limits<int64_t>::max();
1291 // Select time offset:
1292 int64_t GetTimeOffset()
1294 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1295 if (abs(nNtpOffset) < 40 * 60)
1298 // If not, then choose between median peer time and system clock.
1299 if (abs(nNodesOffset) < 70 * 60)
1300 return nNodesOffset;
1305 int64_t GetNodesOffset()
1307 return nNodesOffset;
1310 int64_t GetAdjustedTime()
1312 return GetTime() + GetTimeOffset();
1315 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1317 int64_t nOffsetSample = nTime - GetTime();
1319 // Ignore duplicates
1320 static set<CNetAddr> setKnown;
1321 if (!setKnown.insert(ip).second)
1325 vTimeOffsets.input(nOffsetSample);
1326 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1327 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1329 auto nMedian = vTimeOffsets.median();
1330 auto vSorted = vTimeOffsets.sorted();
1331 // Only let other nodes change our time by so much
1332 if (abs(nMedian) < 70 * 60)
1334 nNodesOffset = nMedian;
1338 nNodesOffset = numeric_limits<int64_t>::max();
1343 bool fMatch = false;
1345 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1346 for(auto nOffset : vSorted)
1347 if (nOffset != 0 && abs(nOffset) < 5 * 60)
1353 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1354 strMiscWarning = strMessage;
1355 printf("*** %s\n", strMessage.c_str());
1356 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1361 for(int64_t n : vSorted)
1362 printf("%+" PRId64 " ", n);
1365 if (nNodesOffset != numeric_limits<int64_t>::max())
1366 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1370 string FormatVersion(int nVersion)
1372 if (nVersion%100 == 0)
1373 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1375 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1378 string FormatFullVersion()
1380 return CLIENT_BUILD;
1383 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1384 string FormatSubVersion(const string& name, int nClientVersion, const vector<string>& comments)
1388 ss << name << ":" << FormatVersion(nClientVersion);
1389 if (!comments.empty())
1390 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1396 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1398 namespace fs = boost::filesystem;
1400 char pszPath[MAX_PATH] = "";
1402 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1404 return fs::path(pszPath);
1407 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1408 return fs::path("");
1412 void runCommand(string strCommand)
1414 int nErr = ::system(strCommand.c_str());
1416 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1419 void RenameThread(const char* name)
1421 #if defined(PR_SET_NAME)
1422 // Only the first 15 characters are used (16 - NUL terminator)
1423 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1424 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1425 // TODO: This is currently disabled because it needs to be verified to work
1426 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1428 pthread_set_name_np(pthread_self(), name);
1430 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1431 // #elif defined(MAC_OSX)
1432 // pthread_setname_np(name);
1435 // Prevent warnings for unused parameters...
1440 bool NewThread(void(*pfn)(void*), void* parg)
1444 boost::thread(pfn, parg); // thread detaches when out of scope
1445 } catch(boost::thread_resource_error &e) {
1446 printf("Error creating thread: %s\n", e.what());
1452 string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1454 // locale takes ownership of the pointer
1455 locale loc(locale::classic(), new boost::posix_time::time_facet(pszFormat));
1458 ss << boost::posix_time::from_time_t(nTime);