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/algorithm/string/case_conv.hpp> // for to_lower()
15 #include <boost/program_options/detail/config_file.hpp>
16 #include <boost/program_options/parsers.hpp>
17 #include <boost/filesystem.hpp>
18 #include <boost/filesystem/fstream.hpp>
19 #include <boost/date_time/posix_time/posix_time.hpp>
20 #include <boost/thread.hpp>
22 #include <openssl/crypto.h>
23 #include <openssl/rand.h>
29 #define _WIN32_WINNT 0x0501
33 #define _WIN32_IE 0x0501
34 #define WIN32_LEAN_AND_MEAN 1
38 #include <io.h> /* for _commit */
40 #elif defined(__linux__)
41 #include <sys/prctl.h>
44 #if !defined(WIN32) && !defined(ANDROID)
49 namespace bt = boost::posix_time;
51 map<string, string> mapArgs;
52 map<string, vector<string> > mapMultiArgs;
54 bool fDebugNet = false;
55 bool fPrintToConsole = false;
56 bool fPrintToDebugger = false;
57 bool fRequestShutdown = false;
58 bool fShutdown = false;
61 bool fCommandLine = false;
62 string strMiscWarning;
63 bool fTestNet = false;
64 bool fNoListen = false;
65 bool fLogTimestamps = false;
66 CMedianFilter<int64_t> vTimeOffsets(200,0);
67 bool fReopenDebugLog = false;
69 // Extended DecodeDumpTime implementation, see this page for details:
70 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
71 const locale formats[] = {
72 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
73 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
74 locale(locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
75 locale(locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
76 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
79 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
81 time_t pt_to_time_t(const bt::ptime& pt)
83 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
84 bt::time_duration diff = pt - timet_start;
85 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
88 // Init OpenSSL library multithreading support
89 static CCriticalSection** ppmutexOpenSSL;
90 void locking_callback(int mode, int i, const char* file, int line)
92 if (mode & CRYPTO_LOCK) {
93 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
95 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
99 LockedPageManager LockedPageManager::instance;
107 // Init OpenSSL library multithreading support
108 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
109 for (int i = 0; i < CRYPTO_num_locks(); i++)
110 ppmutexOpenSSL[i] = new CCriticalSection();
111 CRYPTO_set_locking_callback(locking_callback);
114 // Seed random number generator with screen scrape and other hardware sources
118 // Seed random number generator with performance counter
123 // Shutdown OpenSSL library multithreading support
124 CRYPTO_set_locking_callback(NULL);
125 for (int i = 0; i < CRYPTO_num_locks(); i++)
126 delete ppmutexOpenSSL[i];
127 OPENSSL_free(ppmutexOpenSSL);
134 // Seed with CPU performance counter
135 int64_t nCounter = GetPerformanceCounter();
136 RAND_add(&nCounter, sizeof(nCounter), 1.5);
137 memset(&nCounter, 0, sizeof(nCounter));
140 void RandAddSeedPerfmon()
144 // This can take up to 2 seconds, so only do it every 10 minutes
145 static int64_t nLastPerfmon;
146 if (GetTime() < nLastPerfmon + 10 * 60)
148 nLastPerfmon = GetTime();
151 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
152 // Seed with the entire set of perfmon data
153 unsigned char pdata[250000];
154 memset(pdata, 0, sizeof(pdata));
155 unsigned long nSize = sizeof(pdata);
156 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
157 RegCloseKey(HKEY_PERFORMANCE_DATA);
158 if (ret == ERROR_SUCCESS)
160 RAND_add(pdata, nSize, nSize/100.0);
161 OPENSSL_cleanse(pdata, nSize);
162 printf("RandAddSeed() %lu bytes\n", nSize);
167 uint64_t GetRand(uint64_t nMax)
172 // The range of the random source must be a multiple of the modulus
173 // to give every possible output value an equal possibility
174 uint64_t nRange = (numeric_limits<uint64_t>::max() / nMax) * nMax;
177 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
178 while (nRand >= nRange);
179 return (nRand % nMax);
182 int GetRandInt(int nMax)
184 return static_cast<int>(GetRand(nMax));
187 uint256 GetRandHash()
190 RAND_bytes(hash.begin(), hash.size());
194 void FillRand(uint8_t *buffer, size_t nCount)
196 RAND_bytes(buffer, nCount);
199 static FILE* fileout = NULL;
201 inline int OutputDebugStringF(const char* pszFormat, ...)
208 va_start(arg_ptr, pszFormat);
209 ret = vprintf(pszFormat, arg_ptr);
212 else if (!fPrintToDebugger)
214 // print to debug.log
218 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
219 fileout = fopen(pathDebug.string().c_str(), "a");
220 if (fileout) setbuf(fileout, NULL); // unbuffered
224 static bool fStartedNewLine = true;
226 // This routine may be called by global destructors during shutdown.
227 // Since the order of destruction of static/global objects is undefined,
228 // allocate mutexDebugLog on the heap the first time this routine
229 // is called to avoid crashes during shutdown.
230 static boost::mutex* mutexDebugLog = NULL;
231 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
232 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
234 // reopen the log file, if requested
235 if (fReopenDebugLog) {
236 fReopenDebugLog = false;
237 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
238 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
239 setbuf(fileout, NULL); // unbuffered
242 // Debug print useful for profiling
243 if (fLogTimestamps && fStartedNewLine)
244 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
245 if (pszFormat[strlen(pszFormat) - 1] == '\n')
246 fStartedNewLine = true;
248 fStartedNewLine = false;
251 va_start(arg_ptr, pszFormat);
252 ret = vfprintf(fileout, pszFormat, arg_ptr);
258 if (fPrintToDebugger)
260 static CCriticalSection cs_OutputDebugStringF;
262 // accumulate and output a line at a time
264 LOCK(cs_OutputDebugStringF);
265 static string buffer;
268 va_start(arg_ptr, pszFormat);
269 buffer += vstrprintf(pszFormat, arg_ptr);
272 size_t line_start = 0, line_end;
273 while((line_end = buffer.find('\n', line_start)) != string::npos)
275 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
276 line_start = line_end + 1;
278 buffer.erase(0, line_start);
285 string vstrprintf(const char *format, va_list ap)
289 int limit = sizeof(buffer);
295 va_copy(arg_ptr, ap);
297 va_list arg_ptr = ap;
300 ret = _vsnprintf(p, limit, format, arg_ptr);
302 ret = vsnprintf(p, limit, format, arg_ptr);
305 if (ret >= 0 && ret < limit)
310 p = new(nothrow) char[limit];
314 string str(p, p+ret);
320 string real_strprintf(const char *format, int dummy, ...)
323 va_start(arg_ptr, dummy);
324 string str = vstrprintf(format, arg_ptr);
329 string real_strprintf(const string &format, int dummy, ...)
332 va_start(arg_ptr, dummy);
333 string str = vstrprintf(format.c_str(), arg_ptr);
338 bool error(const char *format, ...)
341 va_start(arg_ptr, format);
342 string str = vstrprintf(format, arg_ptr);
344 printf("ERROR: %s\n", str.c_str());
349 void ParseString(const string& str, char c, vector<string>& v)
353 string::size_type i1 = 0;
354 string::size_type i2;
357 i2 = str.find(c, i1);
360 v.push_back(str.substr(i1));
363 v.push_back(str.substr(i1, i2-i1));
368 string FormatMoney(int64_t n, bool fPlus)
370 // Note: not using straight sprintf here because we do NOT want
371 // localized number formatting.
372 int64_t n_abs = (n > 0 ? n : -n);
373 int64_t quotient = n_abs/COIN;
374 int64_t remainder = n_abs%COIN;
375 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
377 // Right-trim excess zeros before the decimal point:
379 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
382 str.erase(str.size()-nTrim, nTrim);
385 str.insert(0u, 1, '-');
386 else if (fPlus && n > 0)
387 str.insert(0u, 1, '+');
391 bool ParseMoney(const string& str, int64_t& nRet)
393 return ParseMoney(str.c_str(), nRet);
396 bool ParseMoney(const char* pszIn, int64_t& nRet)
400 const char* p = pszIn;
408 int64_t nMult = CENT*10;
409 while (isdigit(*p) && (nMult > 0))
411 nUnits += nMult * (*p++ - '0');
420 strWhole.insert(strWhole.end(), *p);
425 if (strWhole.size() > 10) // guard against 63 bit overflow
427 if (nUnits < 0 || nUnits > COIN)
429 int64_t nWhole = strtoll(strWhole);
430 int64_t nValue = nWhole*COIN + nUnits;
436 static const int8_t phexdigit[256] =
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 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
441 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1,
442 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
443 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
444 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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,
453 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
456 bool IsHex(const string& str)
458 for(unsigned char c : str)
460 if (phexdigit[c] < 0)
463 return (str.size() > 0) && (str.size()%2 == 0);
466 vector<unsigned char> ParseHex(const char* psz)
468 // convert hex dump to vector
469 vector<unsigned char> vch;
472 while (isspace(*psz))
474 auto c = phexdigit[(unsigned char)*psz++];
475 if (c == (signed char)-1)
478 c = phexdigit[(uint8_t)*psz++];
487 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
489 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
490 if (name.find("-no") == 0)
492 string positive("-");
493 positive.append(name.begin()+3, name.end());
494 if (mapSettingsRet.count(positive) == 0)
496 bool value = !GetBoolArg(name);
497 mapSettingsRet[positive] = (value ? "1" : "0");
502 void ParseParameters(int argc, const char* const argv[])
505 mapMultiArgs.clear();
506 for (int i = 1; i < argc; i++)
510 size_t is_index = str.find('=');
511 if (is_index != string::npos)
513 strValue = str.substr(is_index+1);
514 str = str.substr(0, is_index);
517 boost::to_lower(str);
518 if (str.compare(0,1, "/") == 0)
519 str = "-" + str.substr(1);
524 mapArgs[str] = strValue;
525 mapMultiArgs[str].push_back(strValue);
529 for(const auto& entry : mapArgs)
531 string name = entry.first;
533 // interpret --foo as -foo (as long as both are not set)
534 if (name.find("--") == 0)
536 string singleDash(name.begin()+1, name.end());
537 if (mapArgs.count(singleDash) == 0)
538 mapArgs[singleDash] = entry.second;
542 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
543 InterpretNegativeSetting(name, mapArgs);
547 string GetArg(const string& strArg, const string& strDefault)
549 if (mapArgs.count(strArg))
550 return mapArgs[strArg];
554 int64_t GetArg(const string& strArg, int64_t nDefault)
556 if (mapArgs.count(strArg))
557 return strtoll(mapArgs[strArg]);
561 int32_t GetArgInt(const string& strArg, int32_t nDefault)
563 if (mapArgs.count(strArg))
564 return strtol(mapArgs[strArg]);
568 uint32_t GetArgUInt(const string& strArg, uint32_t nDefault)
570 if (mapArgs.count(strArg))
571 return strtoul(mapArgs[strArg]);
575 bool GetBoolArg(const string& strArg, bool fDefault)
577 if (mapArgs.count(strArg))
579 if (mapArgs[strArg].empty())
581 return (atoi(mapArgs[strArg]) != 0);
586 bool SoftSetArg(const string& strArg, const string& strValue)
588 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
590 mapArgs[strArg] = strValue;
591 mapMultiArgs[strArg].push_back(strValue);
596 bool SoftSetBoolArg(const string& strArg, bool fValue)
599 return SoftSetArg(strArg, string("1"));
601 return SoftSetArg(strArg, string("0"));
605 string EncodeBase64(const unsigned char* pch, size_t len)
607 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
610 strRet.reserve((len+2)/3*4);
613 const unsigned char *pchEnd = pch+len;
620 case 0: // we have no bits
621 strRet += pbase64[enc >> 2];
622 left = (enc & 3) << 4;
626 case 1: // we have two bits
627 strRet += pbase64[left | (enc >> 4)];
628 left = (enc & 15) << 2;
632 case 2: // we have four bits
633 strRet += pbase64[left | (enc >> 6)];
634 strRet += pbase64[enc & 63];
642 strRet += pbase64[left];
651 string EncodeBase64(const string& str)
653 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
656 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
658 static const int decode64_table[256] =
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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
662 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
663 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
664 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
665 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
666 49, 50, 51, -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, -1, -1, -1, -1,
672 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
678 vector<unsigned char> vchRet;
679 vchRet.reserve(strlen(p)*3/4);
686 int dec = decode64_table[(unsigned char)*p];
687 if (dec == -1) break;
691 case 0: // we have no bits and get 6
696 case 1: // we have 6 bits and keep 4
697 vchRet.push_back((left<<2) | (dec>>4));
702 case 2: // we have 4 bits and get 6, we keep 2
703 vchRet.push_back((left<<4) | (dec>>2));
708 case 3: // we have 2 bits and get 6
709 vchRet.push_back((left<<6) | dec);
718 case 0: // 4n base64 characters processed: ok
721 case 1: // 4n+1 base64 character processed: impossible
725 case 2: // 4n+2 base64 characters processed: require '=='
726 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
730 case 3: // 4n+3 base64 characters processed: require '='
731 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
739 string DecodeBase64(const string& str)
741 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
742 return string((const char*)&vchRet[0], vchRet.size());
745 string EncodeBase32(const unsigned char* pch, size_t len)
747 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
750 strRet.reserve((len+4)/5*8);
753 const unsigned char *pchEnd = pch+len;
760 case 0: // we have no bits
761 strRet += pbase32[enc >> 3];
762 left = (enc & 7) << 2;
766 case 1: // we have three bits
767 strRet += pbase32[left | (enc >> 6)];
768 strRet += pbase32[(enc >> 1) & 31];
769 left = (enc & 1) << 4;
773 case 2: // we have one bit
774 strRet += pbase32[left | (enc >> 4)];
775 left = (enc & 15) << 1;
779 case 3: // we have four bits
780 strRet += pbase32[left | (enc >> 7)];
781 strRet += pbase32[(enc >> 2) & 31];
782 left = (enc & 3) << 3;
786 case 4: // we have two bits
787 strRet += pbase32[left | (enc >> 5)];
788 strRet += pbase32[enc & 31];
793 static const int nPadding[5] = {0, 6, 4, 3, 1};
796 strRet += pbase32[left];
797 for (int n=0; n<nPadding[mode]; n++)
804 string EncodeBase32(const string& str)
806 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
809 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
811 static const int decode32_table[256] =
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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
815 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
816 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
817 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
818 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
819 23, 24, 25, -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, -1, -1, -1, -1,
825 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
831 vector<unsigned char> vchRet;
832 vchRet.reserve((strlen(p))*5/8);
839 int dec = decode32_table[(unsigned char)*p];
840 if (dec == -1) break;
844 case 0: // we have no bits and get 5
849 case 1: // we have 5 bits and keep 2
850 vchRet.push_back((left<<3) | (dec>>2));
855 case 2: // we have 2 bits and keep 7
856 left = left << 5 | dec;
860 case 3: // we have 7 bits and keep 4
861 vchRet.push_back((left<<1) | (dec>>4));
866 case 4: // we have 4 bits, and keep 1
867 vchRet.push_back((left<<4) | (dec>>1));
872 case 5: // we have 1 bit, and keep 6
873 left = left << 5 | dec;
877 case 6: // we have 6 bits, and keep 3
878 vchRet.push_back((left<<2) | (dec>>3));
883 case 7: // we have 3 bits, and keep 0
884 vchRet.push_back((left<<5) | dec);
893 case 0: // 8n base32 characters processed: ok
896 case 1: // 8n+1 base32 characters processed: impossible
902 case 2: // 8n+2 base32 characters processed: require '======'
903 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
907 case 4: // 8n+4 base32 characters processed: require '===='
908 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
912 case 5: // 8n+5 base32 characters processed: require '==='
913 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
917 case 7: // 8n+7 base32 characters processed: require '='
918 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
926 string DecodeBase32(const string& str)
928 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
929 return string((const char*)&vchRet[0], vchRet.size());
933 int64_t DecodeDumpTime(const string& s)
937 for(size_t i=0; i<formats_n; ++i)
940 is.imbue(formats[i]);
942 if(pt != bt::ptime()) break;
945 return pt_to_time_t(pt);
948 string EncodeDumpTime(int64_t nTime) {
949 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
952 string EncodeDumpString(const string &str) {
954 for(unsigned char c : str) {
955 if (c <= 32 || c >= 128 || c == '%') {
956 ret << '%' << HexStr(&c, &c + 1);
964 string DecodeDumpString(const string &str) {
966 for (unsigned int pos = 0; pos < str.length(); pos++) {
967 unsigned char c = str[pos];
968 if (c == '%' && pos+2 < str.length()) {
969 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
970 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
978 bool WildcardMatch(const char* psz, const char* mask)
985 return (*psz == '\0');
987 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1002 bool WildcardMatch(const string& str, const string& mask)
1004 return WildcardMatch(str.c_str(), mask.c_str());
1008 static string FormatException(exception* pex, const char* pszThread)
1011 char pszModule[MAX_PATH] = "";
1012 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1014 const char* pszModule = "novacoin";
1018 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1021 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1024 void LogException(exception* pex, const char* pszThread)
1026 string message = FormatException(pex, pszThread);
1027 printf("\n%s", message.c_str());
1030 void PrintException(exception* pex, const char* pszThread)
1032 string message = FormatException(pex, pszThread);
1033 printf("\n\n************************\n%s\n", message.c_str());
1034 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1035 strMiscWarning = message;
1039 void LogStackTrace() {
1040 printf("\n\n******* exception encountered *******\n");
1043 #if !defined(WIN32) && !defined(ANDROID)
1044 void* pszBuffer[32];
1046 size = backtrace(pszBuffer, 32);
1047 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1052 void PrintExceptionContinue(exception* pex, const char* pszThread)
1054 string message = FormatException(pex, pszThread);
1055 printf("\n\n************************\n%s\n", message.c_str());
1056 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1057 strMiscWarning = message;
1060 boost::filesystem::path GetDefaultDataDir()
1062 namespace fs = boost::filesystem;
1063 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1064 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1065 // Mac: ~/Library/Application Support/NovaCoin
1066 // Unix: ~/.novacoin
1069 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1072 char* pszHome = getenv("HOME");
1073 if (pszHome == NULL || strlen(pszHome) == 0)
1074 pathRet = fs::path("/");
1076 pathRet = fs::path(pszHome);
1079 pathRet /= "Library/Application Support";
1080 fs::create_directory(pathRet);
1081 return pathRet / "NovaCoin";
1084 return pathRet / ".novacoin";
1089 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1091 namespace fs = boost::filesystem;
1093 static fs::path pathCached[2];
1094 static CCriticalSection csPathCached;
1095 static bool cachedPath[2] = {false, false};
1097 fs::path &path = pathCached[fNetSpecific];
1099 // This can be called during exceptions by printf, so we cache the
1100 // value so we don't have to do memory allocations after that.
1101 if (cachedPath[fNetSpecific])
1106 if (mapArgs.count("-datadir")) {
1107 path = fs::system_complete(mapArgs["-datadir"]);
1108 if (!fs::is_directory(path)) {
1113 path = GetDefaultDataDir();
1115 if (fNetSpecific && GetBoolArg("-testnet", false))
1118 fs::create_directory(path);
1120 cachedPath[fNetSpecific]=true;
1124 string randomStrGen(size_t length) {
1125 std::mt19937 mtrand;
1126 mtrand.seed(static_cast<unsigned int>(time(NULL)));
1127 static const string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1129 result.resize(length);
1130 for (size_t i = 0; i < length; ++i)
1131 result[i] = charset[mtrand() % charset.length()];
1138 #if BOOST_FILESYSTEM_VERSION >= 3
1139 pConf.open(GetConfigFile().generic_string().c_str());
1141 pConf.open(GetConfigFile().string().c_str());
1143 pConf << "rpcuser=user\nrpcpassword="
1146 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1148 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1150 + "\nrpcallowip=127.0.0.1";
1154 boost::filesystem::path GetConfigFile()
1156 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1157 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1158 return pathConfigFile;
1161 void ReadConfigFile(map<string, string>& mapSettingsRet,
1162 map<string, vector<string> >& mapMultiSettingsRet)
1164 boost::filesystem::ifstream streamConfig(GetConfigFile());
1165 if (!streamConfig.good())
1168 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1169 if(!streamConfig.good())
1173 set<string> setOptions;
1174 setOptions.insert("*");
1176 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1178 // Don't overwrite existing settings so command line settings override bitcoin.conf
1179 string strKey = string("-") + it->string_key;
1180 if (mapSettingsRet.count(strKey) == 0)
1182 mapSettingsRet[strKey] = it->value[0];
1183 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1184 InterpretNegativeSetting(strKey, mapSettingsRet);
1186 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1190 boost::filesystem::path GetPidFile()
1192 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1193 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1198 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1200 FILE* file = fopen(path.string().c_str(), "w");
1203 fprintf(file, "%d\n", pid);
1209 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1212 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1213 MOVEFILE_REPLACE_EXISTING) != 0;
1215 int rc = rename(src.string().c_str(), dest.string().c_str());
1220 void FileCommit(FILE *fileout)
1222 fflush(fileout); // harmless if redundantly called
1224 _commit(_fileno(fileout));
1226 fsync(fileno(fileout));
1230 int GetFilesize(FILE* file)
1232 int nSavePos = ftell(file);
1234 if (fseek(file, 0, SEEK_END) == 0)
1235 nFilesize = ftell(file);
1236 fseek(file, nSavePos, SEEK_SET);
1240 void ShrinkDebugFile()
1242 // Scroll debug.log if it's getting too big
1243 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1244 FILE* file = fopen(pathLog.string().c_str(), "r");
1245 if (file && GetFilesize(file) > 10 * 1000000)
1247 // Restart the file with some of the end
1249 vector<char>* vBuf = new vector <char>(200000, 0);
1250 size_t nBytes = 1; //write one byte if fseek failed
1251 if (fseek(file, -((long)(vBuf->size())), SEEK_END) == 0)
1252 nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1254 file = fopen(pathLog.string().c_str(), "w");
1257 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1262 catch (const bad_alloc& e) {
1263 // Bad things happen - no free memory in heap at program startup
1265 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1271 // "Never go to sea with two chronometers; take one or three."
1272 // Our three time sources are:
1274 // - Median of other nodes clocks
1275 // - The user (asking the user to fix the system clock if the first two disagree)
1281 int64_t now = time(NULL);
1286 // Trusted NTP offset or median of NTP samples.
1287 extern int64_t nNtpOffset;
1289 // Median of time samples given by other nodes.
1290 static int64_t nNodesOffset = numeric_limits<int64_t>::max();
1292 // Select time offset:
1293 int64_t GetTimeOffset()
1295 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1296 if (abs(nNtpOffset) < 40 * 60)
1299 // If not, then choose between median peer time and system clock.
1300 if (abs(nNodesOffset) < 70 * 60)
1301 return nNodesOffset;
1306 int64_t GetNodesOffset()
1308 return nNodesOffset;
1311 int64_t GetAdjustedTime()
1313 return GetTime() + GetTimeOffset();
1316 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1318 int64_t nOffsetSample = nTime - GetTime();
1320 // Ignore duplicates
1321 static set<CNetAddr> setKnown;
1322 if (!setKnown.insert(ip).second)
1326 vTimeOffsets.input(nOffsetSample);
1327 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1328 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1330 auto nMedian = vTimeOffsets.median();
1331 auto vSorted = vTimeOffsets.sorted();
1332 // Only let other nodes change our time by so much
1333 if (abs(nMedian) < 70 * 60)
1335 nNodesOffset = nMedian;
1339 nNodesOffset = numeric_limits<int64_t>::max();
1344 bool fMatch = false;
1346 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1347 for(auto nOffset : vSorted)
1348 if (nOffset != 0 && abs(nOffset) < 5 * 60)
1354 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1355 strMiscWarning = strMessage;
1356 printf("*** %s\n", strMessage.c_str());
1357 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1362 for(int64_t n : vSorted)
1363 printf("%+" PRId64 " ", n);
1366 if (nNodesOffset != numeric_limits<int64_t>::max())
1367 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1371 string FormatVersion(int nVersion)
1373 if (nVersion%100 == 0)
1374 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1376 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1379 string FormatFullVersion()
1381 return CLIENT_BUILD;
1384 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1385 string FormatSubVersion(const string& name, int nClientVersion, const vector<string>& comments)
1389 ss << name << ":" << FormatVersion(nClientVersion);
1390 if (!comments.empty())
1391 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1397 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1399 namespace fs = boost::filesystem;
1401 char pszPath[MAX_PATH] = "";
1403 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1405 return fs::path(pszPath);
1408 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1409 return fs::path("");
1413 void runCommand(string strCommand)
1415 int nErr = ::system(strCommand.c_str());
1417 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1420 void RenameThread(const char* name)
1422 #if defined(PR_SET_NAME)
1423 // Only the first 15 characters are used (16 - NUL terminator)
1424 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1425 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1426 // TODO: This is currently disabled because it needs to be verified to work
1427 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1429 pthread_set_name_np(pthread_self(), name);
1431 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1432 // #elif defined(MAC_OSX)
1433 // pthread_setname_np(name);
1436 // Prevent warnings for unused parameters...
1441 bool NewThread(void(*pfn)(void*), void* parg)
1445 boost::thread(pfn, parg); // thread detaches when out of scope
1446 } catch(boost::thread_resource_error &e) {
1447 printf("Error creating thread: %s\n", e.what());
1453 string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1455 // locale takes ownership of the pointer
1456 locale loc(locale::classic(), new boost::posix_time::time_facet(pszFormat));
1459 ss << boost::posix_time::from_time_t(nTime);