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.
11 #include <boost/algorithm/string/join.hpp>
12 #include <boost/algorithm/string/case_conv.hpp> // for to_lower()
13 #include <boost/algorithm/string/predicate.hpp> // for startswith() and endswith()
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>
20 #include <openssl/crypto.h>
21 #include <openssl/rand.h>
24 #include <io.h> /* for _commit */
26 #elif defined(__linux__)
27 # include <sys/prctl.h>
30 #if !defined(WIN32) && !defined(ANDROID)
36 namespace bt = boost::posix_time;
38 map<string, string> mapArgs;
39 map<string, vector<string> > mapMultiArgs;
41 bool fDebugNet = false;
42 bool fPrintToConsole = false;
43 bool fPrintToDebugger = false;
44 bool fRequestShutdown = false;
45 bool fShutdown = false;
48 bool fCommandLine = false;
49 string strMiscWarning;
50 bool fTestNet = false;
51 bool fNoListen = false;
52 bool fLogTimestamps = false;
53 CMedianFilter<int64_t> vTimeOffsets(200,0);
54 bool fReopenDebugLog = false;
56 // Extended DecodeDumpTime implementation, see this page for details:
57 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
58 const std::locale formats[] = {
59 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
60 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
61 std::locale(std::locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
62 std::locale(std::locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
63 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
66 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
68 std::time_t pt_to_time_t(const bt::ptime& pt)
70 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
71 bt::time_duration diff = pt - timet_start;
72 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
75 // Init OpenSSL library multithreading support
76 static CCriticalSection** ppmutexOpenSSL;
77 void locking_callback(int mode, int i, const char* file, int line)
79 if (mode & CRYPTO_LOCK) {
80 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
82 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
86 LockedPageManager LockedPageManager::instance;
94 // Init OpenSSL library multithreading support
95 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
96 for (int i = 0; i < CRYPTO_num_locks(); i++)
97 ppmutexOpenSSL[i] = new CCriticalSection();
98 CRYPTO_set_locking_callback(locking_callback);
101 // Seed random number generator with screen scrape and other hardware sources
105 // Seed random number generator with performance counter
110 // Shutdown OpenSSL library multithreading support
111 CRYPTO_set_locking_callback(NULL);
112 for (int i = 0; i < CRYPTO_num_locks(); i++)
113 delete ppmutexOpenSSL[i];
114 OPENSSL_free(ppmutexOpenSSL);
128 // Seed with CPU performance counter
129 int64_t nCounter = GetPerformanceCounter();
130 RAND_add(&nCounter, sizeof(nCounter), 1.5);
131 memset(&nCounter, 0, sizeof(nCounter));
134 void RandAddSeedPerfmon()
138 // This can take up to 2 seconds, so only do it every 10 minutes
139 static int64_t nLastPerfmon;
140 if (GetTime() < nLastPerfmon + 10 * 60)
142 nLastPerfmon = GetTime();
145 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
146 // Seed with the entire set of perfmon data
147 unsigned char pdata[250000];
148 memset(pdata, 0, sizeof(pdata));
149 unsigned long nSize = sizeof(pdata);
150 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
151 RegCloseKey(HKEY_PERFORMANCE_DATA);
152 if (ret == ERROR_SUCCESS)
154 RAND_add(pdata, nSize, nSize/100.0);
155 OPENSSL_cleanse(pdata, nSize);
156 printf("RandAddSeed() %lu bytes\n", nSize);
161 uint64_t GetRand(uint64_t nMax)
166 // The range of the random source must be a multiple of the modulus
167 // to give every possible output value an equal possibility
168 uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
171 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
172 while (nRand >= nRange);
173 return (nRand % nMax);
176 int GetRandInt(int nMax)
178 return static_cast<int>(GetRand(nMax));
181 uint256 GetRandHash()
184 RAND_bytes((unsigned char*)&hash, sizeof(hash));
193 static FILE* fileout = NULL;
195 inline int OutputDebugStringF(const char* pszFormat, ...)
202 va_start(arg_ptr, pszFormat);
203 ret = vprintf(pszFormat, arg_ptr);
206 else if (!fPrintToDebugger)
208 // print to debug.log
212 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
213 fileout = fopen(pathDebug.string().c_str(), "a");
214 if (fileout) setbuf(fileout, NULL); // unbuffered
218 static bool fStartedNewLine = true;
220 // This routine may be called by global destructors during shutdown.
221 // Since the order of destruction of static/global objects is undefined,
222 // allocate mutexDebugLog on the heap the first time this routine
223 // is called to avoid crashes during shutdown.
224 static boost::mutex* mutexDebugLog = NULL;
225 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
226 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
228 // reopen the log file, if requested
229 if (fReopenDebugLog) {
230 fReopenDebugLog = false;
231 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
232 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
233 setbuf(fileout, NULL); // unbuffered
236 // Debug print useful for profiling
237 if (fLogTimestamps && fStartedNewLine)
238 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
239 if (pszFormat[strlen(pszFormat) - 1] == '\n')
240 fStartedNewLine = true;
242 fStartedNewLine = false;
245 va_start(arg_ptr, pszFormat);
246 ret = vfprintf(fileout, pszFormat, arg_ptr);
252 if (fPrintToDebugger)
254 static CCriticalSection cs_OutputDebugStringF;
256 // accumulate and output a line at a time
258 LOCK(cs_OutputDebugStringF);
259 static std::string buffer;
262 va_start(arg_ptr, pszFormat);
263 buffer += vstrprintf(pszFormat, arg_ptr);
266 size_t line_start = 0, line_end;
267 while((line_end = buffer.find('\n', line_start)) != -1)
269 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
270 line_start = line_end + 1;
272 buffer.erase(0, line_start);
279 string vstrprintf(const char *format, va_list ap)
283 int limit = sizeof(buffer);
289 va_copy(arg_ptr, ap);
291 va_list arg_ptr = ap;
294 ret = _vsnprintf(p, limit, format, arg_ptr);
296 ret = vsnprintf(p, limit, format, arg_ptr);
299 if (ret >= 0 && ret < limit)
304 p = new(nothrow) char[limit];
306 throw std::bad_alloc();
308 string str(p, p+ret);
314 string real_strprintf(const char *format, int dummy, ...)
317 va_start(arg_ptr, dummy);
318 string str = vstrprintf(format, arg_ptr);
323 string real_strprintf(const std::string &format, int dummy, ...)
326 va_start(arg_ptr, dummy);
327 string str = vstrprintf(format.c_str(), arg_ptr);
332 bool error(const char *format, ...)
335 va_start(arg_ptr, format);
336 std::string str = vstrprintf(format, arg_ptr);
338 printf("ERROR: %s\n", str.c_str());
343 void ParseString(const string& str, char c, vector<string>& v)
347 string::size_type i1 = 0;
348 string::size_type i2;
351 i2 = str.find(c, i1);
354 v.push_back(str.substr(i1));
357 v.push_back(str.substr(i1, i2-i1));
363 string FormatMoney(int64_t n, bool fPlus)
365 // Note: not using straight sprintf here because we do NOT want
366 // localized number formatting.
367 int64_t n_abs = (n > 0 ? n : -n);
368 int64_t quotient = n_abs/COIN;
369 int64_t remainder = n_abs%COIN;
370 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
372 // Right-trim excess zeros before the decimal point:
374 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
377 str.erase(str.size()-nTrim, nTrim);
380 str.insert(0u, 1, '-');
381 else if (fPlus && n > 0)
382 str.insert(0u, 1, '+');
387 bool ParseMoney(const string& str, int64_t& nRet)
389 return ParseMoney(str.c_str(), nRet);
392 bool ParseMoney(const char* pszIn, int64_t& nRet)
396 const char* p = pszIn;
404 int64_t nMult = CENT*10;
405 while (isdigit(*p) && (nMult > 0))
407 nUnits += nMult * (*p++ - '0');
416 strWhole.insert(strWhole.end(), *p);
421 if (strWhole.size() > 10) // guard against 63 bit overflow
423 if (nUnits < 0 || nUnits > COIN)
425 int64_t nWhole = atoi64(strWhole);
426 int64_t nValue = nWhole*COIN + nUnits;
433 static const signed char phexdigit[256] =
434 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
435 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
436 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
437 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
438 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
441 -1,-1,-1,-1,-1,-1,-1,-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,-1,-1,-1,-1,-1,-1,-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, };
451 bool IsHex(const string& str)
453 for (unsigned char c : str)
455 if (phexdigit[c] < 0)
458 return (str.size() > 0) && (str.size()%2 == 0);
461 vector<unsigned char> ParseHex(const char* psz)
463 // convert hex dump to vector
464 vector<unsigned char> vch;
467 while (isspace(*psz))
469 signed char c = phexdigit[(unsigned char)*psz++];
470 if (c == (signed char)-1)
472 unsigned char n = (c << 4);
473 c = phexdigit[(unsigned char)*psz++];
474 if (c == (signed char)-1)
482 vector<unsigned char> ParseHex(const string& str)
484 return ParseHex(str.c_str());
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 std::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++)
508 std::string str(argv[i]);
509 std::string strValue;
510 size_t is_index = str.find('=');
511 if (is_index != std::string::npos)
513 strValue = str.substr(is_index+1);
514 str = str.substr(0, is_index);
517 boost::to_lower(str);
518 if (boost::algorithm::starts_with(str, "/"))
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 std::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 std::string GetArg(const std::string& strArg, const std::string& strDefault)
549 if (mapArgs.count(strArg))
550 return mapArgs[strArg];
554 int64_t GetArg(const std::string& strArg, int64_t nDefault)
556 if (mapArgs.count(strArg))
557 return atoi64(mapArgs[strArg]);
561 int32_t GetArgInt(const std::string& strArg, int32_t nDefault)
563 if (mapArgs.count(strArg))
564 return strtol(mapArgs[strArg]);
568 uint32_t GetArgUInt(const std::string& strArg, uint32_t nDefault)
570 if (mapArgs.count(strArg))
571 return strtoul(mapArgs[strArg]);
575 bool GetBoolArg(const std::string& strArg, bool fDefault)
577 if (mapArgs.count(strArg))
579 if (mapArgs[strArg].empty())
581 return (atoi(mapArgs[strArg]) != 0);
586 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
588 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
590 mapArgs[strArg] = strValue;
591 mapMultiArgs[strArg].push_back(strValue);
596 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
599 return SoftSetArg(strArg, std::string("1"));
601 return SoftSetArg(strArg, std::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 std::string& s)
937 for(size_t i=0; i<formats_n; ++i)
939 std::istringstream is(s);
940 is.imbue(formats[i]);
942 if(pt != bt::ptime()) break;
945 return pt_to_time_t(pt);
948 std::string EncodeDumpTime(int64_t nTime) {
949 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
952 std::string EncodeDumpString(const std::string &str) {
953 std::stringstream ret;
954 for (unsigned char c : str) {
955 if (c <= 32 || c >= 128 || c == '%') {
956 ret << '%' << HexStr(&c, &c + 1);
964 std::string DecodeDumpString(const std::string &str) {
965 std::stringstream ret;
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());
1014 static std::string FormatException(std::exception* pex, const char* pszThread)
1017 char pszModule[MAX_PATH] = "";
1018 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1020 const char* pszModule = "novacoin";
1024 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1027 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1030 void LogException(std::exception* pex, const char* pszThread)
1032 std::string message = FormatException(pex, pszThread);
1033 printf("\n%s", message.c_str());
1036 void PrintException(std::exception* pex, const char* pszThread)
1038 std::string message = FormatException(pex, pszThread);
1039 printf("\n\n************************\n%s\n", message.c_str());
1040 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1041 strMiscWarning = message;
1045 void LogStackTrace() {
1046 printf("\n\n******* exception encountered *******\n");
1049 #if !defined(WIN32) && !defined(ANDROID)
1050 void* pszBuffer[32];
1052 size = backtrace(pszBuffer, 32);
1053 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1058 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1060 std::string message = FormatException(pex, pszThread);
1061 printf("\n\n************************\n%s\n", message.c_str());
1062 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1063 strMiscWarning = message;
1066 boost::filesystem::path GetDefaultDataDir()
1068 namespace fs = boost::filesystem;
1069 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1070 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1071 // Mac: ~/Library/Application Support/NovaCoin
1072 // Unix: ~/.novacoin
1075 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1078 char* pszHome = getenv("HOME");
1079 if (pszHome == NULL || strlen(pszHome) == 0)
1080 pathRet = fs::path("/");
1082 pathRet = fs::path(pszHome);
1085 pathRet /= "Library/Application Support";
1086 fs::create_directory(pathRet);
1087 return pathRet / "NovaCoin";
1090 return pathRet / ".novacoin";
1095 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1097 namespace fs = boost::filesystem;
1099 static fs::path pathCached[2];
1100 static CCriticalSection csPathCached;
1101 static bool cachedPath[2] = {false, false};
1103 fs::path &path = pathCached[fNetSpecific];
1105 // This can be called during exceptions by printf, so we cache the
1106 // value so we don't have to do memory allocations after that.
1107 if (cachedPath[fNetSpecific])
1112 if (mapArgs.count("-datadir")) {
1113 path = fs::system_complete(mapArgs["-datadir"]);
1114 if (!fs::is_directory(path)) {
1119 path = GetDefaultDataDir();
1121 if (fNetSpecific && GetBoolArg("-testnet", false))
1124 fs::create_directory(path);
1126 cachedPath[fNetSpecific]=true;
1130 string randomStrGen(int length) {
1131 static string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1133 result.resize(length);
1134 for (int32_t i = 0; i < length; i++)
1135 result[i] = charset[rand() % charset.length()];
1142 srand(static_cast<unsigned int>(time(NULL)));
1145 #if BOOST_FILESYSTEM_VERSION >= 3
1146 pConf.open(GetConfigFile().generic_string().c_str());
1148 pConf.open(GetConfigFile().string().c_str());
1150 pConf << "rpcuser=user\nrpcpassword="
1153 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1155 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1157 + "\nrpcallowip=127.0.0.1";
1161 boost::filesystem::path GetConfigFile()
1163 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1164 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1165 return pathConfigFile;
1168 void ReadConfigFile(map<string, string>& mapSettingsRet,
1169 map<string, vector<string> >& mapMultiSettingsRet)
1171 boost::filesystem::ifstream streamConfig(GetConfigFile());
1172 if (!streamConfig.good())
1175 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1176 if(!streamConfig.good())
1180 set<string> setOptions;
1181 setOptions.insert("*");
1183 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1185 // Don't overwrite existing settings so command line settings override bitcoin.conf
1186 string strKey = string("-") + it->string_key;
1187 if (mapSettingsRet.count(strKey) == 0)
1189 mapSettingsRet[strKey] = it->value[0];
1190 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1191 InterpretNegativeSetting(strKey, mapSettingsRet);
1193 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1197 boost::filesystem::path GetPidFile()
1199 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1200 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1205 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1207 FILE* file = fopen(path.string().c_str(), "w");
1210 fprintf(file, "%d\n", pid);
1216 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1219 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1220 MOVEFILE_REPLACE_EXISTING) != 0;
1222 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1227 void FileCommit(FILE *fileout)
1229 fflush(fileout); // harmless if redundantly called
1231 _commit(_fileno(fileout));
1233 fsync(fileno(fileout));
1237 int GetFilesize(FILE* file)
1239 int nSavePos = ftell(file);
1241 if (fseek(file, 0, SEEK_END) == 0)
1242 nFilesize = ftell(file);
1243 fseek(file, nSavePos, SEEK_SET);
1247 void ShrinkDebugFile()
1249 // Scroll debug.log if it's getting too big
1250 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1251 FILE* file = fopen(pathLog.string().c_str(), "r");
1252 if (file && GetFilesize(file) > 10 * 1000000)
1254 // Restart the file with some of the end
1256 vector<char>* vBuf = new vector <char>(200000, 0);
1257 fseek(file, -((long)(vBuf->size())), SEEK_END);
1258 size_t nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1260 file = fopen(pathLog.string().c_str(), "w");
1263 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1268 catch (const bad_alloc& e) {
1269 // Bad things happen - no free memory in heap at program startup
1271 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1284 // "Never go to sea with two chronometers; take one or three."
1285 // Our three time sources are:
1287 // - Median of other nodes clocks
1288 // - The user (asking the user to fix the system clock if the first two disagree)
1294 int64_t now = time(NULL);
1299 // Trusted NTP offset or median of NTP samples.
1300 extern int64_t nNtpOffset;
1302 // Median of time samples given by other nodes.
1303 static int64_t nNodesOffset = INT64_MAX;
1305 // Select time offset:
1306 int64_t GetTimeOffset()
1308 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1309 if (abs64(nNtpOffset) < 40 * 60)
1312 // If not, then choose between median peer time and system clock.
1313 if (abs64(nNodesOffset) < 70 * 60)
1314 return nNodesOffset;
1319 int64_t GetNodesOffset()
1321 return nNodesOffset;
1324 int64_t GetAdjustedTime()
1326 return GetTime() + GetTimeOffset();
1329 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1331 int64_t nOffsetSample = nTime - GetTime();
1333 // Ignore duplicates
1334 static set<CNetAddr> setKnown;
1335 if (!setKnown.insert(ip).second)
1339 vTimeOffsets.input(nOffsetSample);
1340 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1341 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1343 int64_t nMedian = vTimeOffsets.median();
1344 std::vector<int64_t> vSorted = vTimeOffsets.sorted();
1345 // Only let other nodes change our time by so much
1346 if (abs64(nMedian) < 70 * 60)
1348 nNodesOffset = nMedian;
1352 nNodesOffset = INT64_MAX;
1357 bool fMatch = false;
1359 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1360 for (int64_t nOffset : vSorted)
1361 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1367 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1368 strMiscWarning = strMessage;
1369 printf("*** %s\n", strMessage.c_str());
1370 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1375 for (int64_t n : vSorted)
1376 printf("%+" PRId64 " ", n);
1379 if (nNodesOffset != INT64_MAX)
1380 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1384 string FormatVersion(int nVersion)
1386 if (nVersion%100 == 0)
1387 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1389 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1392 string FormatFullVersion()
1394 return CLIENT_BUILD;
1397 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1398 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1400 std::ostringstream ss;
1402 ss << name << ":" << FormatVersion(nClientVersion);
1403 if (!comments.empty())
1404 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1410 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1412 namespace fs = boost::filesystem;
1414 char pszPath[MAX_PATH] = "";
1416 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1418 return fs::path(pszPath);
1421 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1422 return fs::path("");
1426 void runCommand(std::string strCommand)
1428 int nErr = ::system(strCommand.c_str());
1430 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1433 void RenameThread(const char* name)
1435 #if defined(PR_SET_NAME)
1436 // Only the first 15 characters are used (16 - NUL terminator)
1437 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1438 #elif (defined(__FreeBSD__) || defined(__OpenBSD__))
1439 pthread_set_name_np(pthread_self(), name);
1440 #elif defined(__APPLE__)
1441 pthread_setname_np(name);
1443 // Prevent warnings for unused parameters...
1448 bool NewThread(void(*pfn)(void*), void* parg)
1452 boost::thread(pfn, parg); // thread detaches when out of scope
1453 } catch(boost::thread_resource_error &e) {
1454 printf("Error creating thread: %s\n", e.what());
1460 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1462 // std::locale takes ownership of the pointer
1463 std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
1464 std::stringstream ss;
1466 ss << boost::posix_time::from_time_t(nTime);