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.
10 #include <boost/algorithm/string/join.hpp>
11 #include <boost/algorithm/string/case_conv.hpp> // for to_lower()
12 #include <boost/algorithm/string/predicate.hpp> // for startswith() and endswith()
13 #include <boost/program_options/detail/config_file.hpp>
14 #include <boost/program_options/parsers.hpp>
15 #include <boost/filesystem.hpp>
16 #include <boost/filesystem/fstream.hpp>
18 #include <boost/date_time/posix_time/posix_time.hpp>
19 #include <boost/foreach.hpp>
20 #include <boost/thread.hpp>
21 #include <openssl/crypto.h>
22 #include <openssl/rand.h>
25 #include <io.h> /* for _commit */
27 #elif defined(__linux__)
28 # include <sys/prctl.h>
31 #if !defined(WIN32) && !defined(ANDROID)
37 namespace bt = boost::posix_time;
39 map<string, string> mapArgs;
40 map<string, vector<string> > mapMultiArgs;
42 bool fDebugNet = false;
43 bool fPrintToConsole = false;
44 bool fPrintToDebugger = false;
45 bool fRequestShutdown = false;
46 bool fShutdown = false;
49 bool fCommandLine = false;
50 string strMiscWarning;
51 bool fTestNet = false;
52 bool fNoListen = false;
53 bool fLogTimestamps = false;
54 CMedianFilter<int64_t> vTimeOffsets(200,0);
55 bool fReopenDebugLog = false;
57 // Extended DecodeDumpTime implementation, see this page for details:
58 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
59 const std::locale formats[] = {
60 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
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("%Y/%m/%d %H:%M:%S")),
63 std::locale(std::locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
64 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
67 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
69 std::time_t pt_to_time_t(const bt::ptime& pt)
71 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
72 bt::time_duration diff = pt - timet_start;
73 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
76 // Init OpenSSL library multithreading support
77 static CCriticalSection** ppmutexOpenSSL;
78 void locking_callback(int mode, int i, const char* file, int line)
80 if (mode & CRYPTO_LOCK) {
81 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
83 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
87 LockedPageManager LockedPageManager::instance;
95 // Init OpenSSL library multithreading support
96 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
97 for (int i = 0; i < CRYPTO_num_locks(); i++)
98 ppmutexOpenSSL[i] = new CCriticalSection();
99 CRYPTO_set_locking_callback(locking_callback);
102 // Seed random number generator with screen scrape and other hardware sources
106 // Seed random number generator with performance counter
111 // Shutdown OpenSSL library multithreading support
112 CRYPTO_set_locking_callback(NULL);
113 for (int i = 0; i < CRYPTO_num_locks(); i++)
114 delete ppmutexOpenSSL[i];
115 OPENSSL_free(ppmutexOpenSSL);
129 // Seed with CPU performance counter
130 int64_t nCounter = GetPerformanceCounter();
131 RAND_add(&nCounter, sizeof(nCounter), 1.5);
132 memset(&nCounter, 0, sizeof(nCounter));
135 void RandAddSeedPerfmon()
139 // This can take up to 2 seconds, so only do it every 10 minutes
140 static int64_t nLastPerfmon;
141 if (GetTime() < nLastPerfmon + 10 * 60)
143 nLastPerfmon = GetTime();
146 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
147 // Seed with the entire set of perfmon data
148 unsigned char pdata[250000];
149 memset(pdata, 0, sizeof(pdata));
150 unsigned long nSize = sizeof(pdata);
151 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
152 RegCloseKey(HKEY_PERFORMANCE_DATA);
153 if (ret == ERROR_SUCCESS)
155 RAND_add(pdata, nSize, nSize/100.0);
156 OPENSSL_cleanse(pdata, nSize);
157 printf("RandAddSeed() %lu bytes\n", nSize);
162 uint64_t GetRand(uint64_t nMax)
167 // The range of the random source must be a multiple of the modulus
168 // to give every possible output value an equal possibility
169 uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
172 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
173 while (nRand >= nRange);
174 return (nRand % nMax);
177 int GetRandInt(int nMax)
179 return static_cast<int>(GetRand(nMax));
182 uint256 GetRandHash()
185 RAND_bytes((unsigned char*)&hash, sizeof(hash));
194 static FILE* fileout = NULL;
196 inline int OutputDebugStringF(const char* pszFormat, ...)
203 va_start(arg_ptr, pszFormat);
204 ret = vprintf(pszFormat, arg_ptr);
207 else if (!fPrintToDebugger)
209 // print to debug.log
213 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
214 fileout = fopen(pathDebug.string().c_str(), "a");
215 if (fileout) setbuf(fileout, NULL); // unbuffered
219 static bool fStartedNewLine = true;
221 // This routine may be called by global destructors during shutdown.
222 // Since the order of destruction of static/global objects is undefined,
223 // allocate mutexDebugLog on the heap the first time this routine
224 // is called to avoid crashes during shutdown.
225 static boost::mutex* mutexDebugLog = NULL;
226 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
227 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
229 // reopen the log file, if requested
230 if (fReopenDebugLog) {
231 fReopenDebugLog = false;
232 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
233 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
234 setbuf(fileout, NULL); // unbuffered
237 // Debug print useful for profiling
238 if (fLogTimestamps && fStartedNewLine)
239 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
240 if (pszFormat[strlen(pszFormat) - 1] == '\n')
241 fStartedNewLine = true;
243 fStartedNewLine = false;
246 va_start(arg_ptr, pszFormat);
247 ret = vfprintf(fileout, pszFormat, arg_ptr);
253 if (fPrintToDebugger)
255 static CCriticalSection cs_OutputDebugStringF;
257 // accumulate and output a line at a time
259 LOCK(cs_OutputDebugStringF);
260 static std::string buffer;
263 va_start(arg_ptr, pszFormat);
264 buffer += vstrprintf(pszFormat, arg_ptr);
267 size_t line_start = 0, line_end;
268 while((line_end = buffer.find('\n', line_start)) != -1)
270 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
271 line_start = line_end + 1;
273 buffer.erase(0, line_start);
280 string vstrprintf(const char *format, va_list ap)
284 int limit = sizeof(buffer);
290 va_copy(arg_ptr, ap);
292 va_list arg_ptr = ap;
295 ret = _vsnprintf(p, limit, format, arg_ptr);
297 ret = vsnprintf(p, limit, format, arg_ptr);
300 if (ret >= 0 && ret < limit)
305 p = new(nothrow) char[limit];
307 throw std::bad_alloc();
309 string str(p, p+ret);
315 string real_strprintf(const char *format, int dummy, ...)
318 va_start(arg_ptr, dummy);
319 string str = vstrprintf(format, arg_ptr);
324 string real_strprintf(const std::string &format, int dummy, ...)
327 va_start(arg_ptr, dummy);
328 string str = vstrprintf(format.c_str(), arg_ptr);
333 bool error(const char *format, ...)
336 va_start(arg_ptr, format);
337 std::string str = vstrprintf(format, arg_ptr);
339 printf("ERROR: %s\n", str.c_str());
344 void ParseString(const string& str, char c, vector<string>& v)
348 string::size_type i1 = 0;
349 string::size_type i2;
352 i2 = str.find(c, i1);
355 v.push_back(str.substr(i1));
358 v.push_back(str.substr(i1, i2-i1));
364 string FormatMoney(int64_t n, bool fPlus)
366 // Note: not using straight sprintf here because we do NOT want
367 // localized number formatting.
368 int64_t n_abs = (n > 0 ? n : -n);
369 int64_t quotient = n_abs/COIN;
370 int64_t remainder = n_abs%COIN;
371 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
373 // Right-trim excess zeros before the decimal point:
375 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
378 str.erase(str.size()-nTrim, nTrim);
381 str.insert(0u, 1, '-');
382 else if (fPlus && n > 0)
383 str.insert(0u, 1, '+');
388 bool ParseMoney(const string& str, int64_t& nRet)
390 return ParseMoney(str.c_str(), nRet);
393 bool ParseMoney(const char* pszIn, int64_t& nRet)
397 const char* p = pszIn;
405 int64_t nMult = CENT*10;
406 while (isdigit(*p) && (nMult > 0))
408 nUnits += nMult * (*p++ - '0');
417 strWhole.insert(strWhole.end(), *p);
422 if (strWhole.size() > 10) // guard against 63 bit overflow
424 if (nUnits < 0 || nUnits > COIN)
426 int64_t nWhole = atoi64(strWhole);
427 int64_t nValue = nWhole*COIN + nUnits;
434 static const signed char phexdigit[256] =
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 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
438 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
439 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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 -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,-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,
450 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
452 bool IsHex(const string& str)
454 BOOST_FOREACH(unsigned char c, str)
456 if (phexdigit[c] < 0)
459 return (str.size() > 0) && (str.size()%2 == 0);
462 vector<unsigned char> ParseHex(const char* psz)
464 // convert hex dump to vector
465 vector<unsigned char> vch;
468 while (isspace(*psz))
470 signed char c = phexdigit[(unsigned char)*psz++];
471 if (c == (signed char)-1)
473 unsigned char n = (c << 4);
474 c = phexdigit[(unsigned char)*psz++];
475 if (c == (signed char)-1)
483 vector<unsigned char> ParseHex(const string& str)
485 return ParseHex(str.c_str());
488 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
490 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
491 if (name.find("-no") == 0)
493 std::string positive("-");
494 positive.append(name.begin()+3, name.end());
495 if (mapSettingsRet.count(positive) == 0)
497 bool value = !GetBoolArg(name);
498 mapSettingsRet[positive] = (value ? "1" : "0");
503 void ParseParameters(int argc, const char* const argv[])
506 mapMultiArgs.clear();
507 for (int i = 1; i < argc; i++)
509 std::string str(argv[i]);
510 std::string strValue;
511 size_t is_index = str.find('=');
512 if (is_index != std::string::npos)
514 strValue = str.substr(is_index+1);
515 str = str.substr(0, is_index);
518 boost::to_lower(str);
519 if (boost::algorithm::starts_with(str, "/"))
520 str = "-" + str.substr(1);
525 mapArgs[str] = strValue;
526 mapMultiArgs[str].push_back(strValue);
530 BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
532 string name = entry.first;
534 // interpret --foo as -foo (as long as both are not set)
535 if (name.find("--") == 0)
537 std::string singleDash(name.begin()+1, name.end());
538 if (mapArgs.count(singleDash) == 0)
539 mapArgs[singleDash] = entry.second;
543 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
544 InterpretNegativeSetting(name, mapArgs);
548 std::string GetArg(const std::string& strArg, const std::string& strDefault)
550 if (mapArgs.count(strArg))
551 return mapArgs[strArg];
555 int64_t GetArg(const std::string& strArg, int64_t nDefault)
557 if (mapArgs.count(strArg))
558 return atoi64(mapArgs[strArg]);
562 int32_t GetArgInt(const std::string& strArg, int32_t nDefault)
564 if (mapArgs.count(strArg))
565 return strtol(mapArgs[strArg]);
569 uint32_t GetArgUInt(const std::string& strArg, uint32_t nDefault)
571 if (mapArgs.count(strArg))
572 return strtoul(mapArgs[strArg]);
576 bool GetBoolArg(const std::string& strArg, bool fDefault)
578 if (mapArgs.count(strArg))
580 if (mapArgs[strArg].empty())
582 return (atoi(mapArgs[strArg]) != 0);
587 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
589 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
591 mapArgs[strArg] = strValue;
592 mapMultiArgs[strArg].push_back(strValue);
597 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
600 return SoftSetArg(strArg, std::string("1"));
602 return SoftSetArg(strArg, std::string("0"));
606 string EncodeBase64(const unsigned char* pch, size_t len)
608 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
611 strRet.reserve((len+2)/3*4);
614 const unsigned char *pchEnd = pch+len;
621 case 0: // we have no bits
622 strRet += pbase64[enc >> 2];
623 left = (enc & 3) << 4;
627 case 1: // we have two bits
628 strRet += pbase64[left | (enc >> 4)];
629 left = (enc & 15) << 2;
633 case 2: // we have four bits
634 strRet += pbase64[left | (enc >> 6)];
635 strRet += pbase64[enc & 63];
643 strRet += pbase64[left];
652 string EncodeBase64(const string& str)
654 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
657 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
659 static const int decode64_table[256] =
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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
663 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
664 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
665 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
666 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
667 49, 50, 51, -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, -1, -1, -1, -1,
673 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
679 vector<unsigned char> vchRet;
680 vchRet.reserve(strlen(p)*3/4);
687 int dec = decode64_table[(unsigned char)*p];
688 if (dec == -1) break;
692 case 0: // we have no bits and get 6
697 case 1: // we have 6 bits and keep 4
698 vchRet.push_back((left<<2) | (dec>>4));
703 case 2: // we have 4 bits and get 6, we keep 2
704 vchRet.push_back((left<<4) | (dec>>2));
709 case 3: // we have 2 bits and get 6
710 vchRet.push_back((left<<6) | dec);
719 case 0: // 4n base64 characters processed: ok
722 case 1: // 4n+1 base64 character processed: impossible
726 case 2: // 4n+2 base64 characters processed: require '=='
727 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
731 case 3: // 4n+3 base64 characters processed: require '='
732 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
740 string DecodeBase64(const string& str)
742 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
743 return string((const char*)&vchRet[0], vchRet.size());
746 string EncodeBase32(const unsigned char* pch, size_t len)
748 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
751 strRet.reserve((len+4)/5*8);
754 const unsigned char *pchEnd = pch+len;
761 case 0: // we have no bits
762 strRet += pbase32[enc >> 3];
763 left = (enc & 7) << 2;
767 case 1: // we have three bits
768 strRet += pbase32[left | (enc >> 6)];
769 strRet += pbase32[(enc >> 1) & 31];
770 left = (enc & 1) << 4;
774 case 2: // we have one bit
775 strRet += pbase32[left | (enc >> 4)];
776 left = (enc & 15) << 1;
780 case 3: // we have four bits
781 strRet += pbase32[left | (enc >> 7)];
782 strRet += pbase32[(enc >> 2) & 31];
783 left = (enc & 3) << 3;
787 case 4: // we have two bits
788 strRet += pbase32[left | (enc >> 5)];
789 strRet += pbase32[enc & 31];
794 static const int nPadding[5] = {0, 6, 4, 3, 1};
797 strRet += pbase32[left];
798 for (int n=0; n<nPadding[mode]; n++)
805 string EncodeBase32(const string& str)
807 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
810 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
812 static const int decode32_table[256] =
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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
816 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
817 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
818 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
819 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
820 23, 24, 25, -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, -1, -1, -1, -1,
826 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
832 vector<unsigned char> vchRet;
833 vchRet.reserve((strlen(p))*5/8);
840 int dec = decode32_table[(unsigned char)*p];
841 if (dec == -1) break;
845 case 0: // we have no bits and get 5
850 case 1: // we have 5 bits and keep 2
851 vchRet.push_back((left<<3) | (dec>>2));
856 case 2: // we have 2 bits and keep 7
857 left = left << 5 | dec;
861 case 3: // we have 7 bits and keep 4
862 vchRet.push_back((left<<1) | (dec>>4));
867 case 4: // we have 4 bits, and keep 1
868 vchRet.push_back((left<<4) | (dec>>1));
873 case 5: // we have 1 bit, and keep 6
874 left = left << 5 | dec;
878 case 6: // we have 6 bits, and keep 3
879 vchRet.push_back((left<<2) | (dec>>3));
884 case 7: // we have 3 bits, and keep 0
885 vchRet.push_back((left<<5) | dec);
894 case 0: // 8n base32 characters processed: ok
897 case 1: // 8n+1 base32 characters processed: impossible
903 case 2: // 8n+2 base32 characters processed: require '======'
904 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
908 case 4: // 8n+4 base32 characters processed: require '===='
909 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
913 case 5: // 8n+5 base32 characters processed: require '==='
914 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
918 case 7: // 8n+7 base32 characters processed: require '='
919 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
927 string DecodeBase32(const string& str)
929 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
930 return string((const char*)&vchRet[0], vchRet.size());
934 int64_t DecodeDumpTime(const std::string& s)
938 for(size_t i=0; i<formats_n; ++i)
940 std::istringstream is(s);
941 is.imbue(formats[i]);
943 if(pt != bt::ptime()) break;
946 return pt_to_time_t(pt);
949 std::string EncodeDumpTime(int64_t nTime) {
950 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
953 std::string EncodeDumpString(const std::string &str) {
954 std::stringstream ret;
955 BOOST_FOREACH(unsigned char c, str) {
956 if (c <= 32 || c >= 128 || c == '%') {
957 ret << '%' << HexStr(&c, &c + 1);
965 std::string DecodeDumpString(const std::string &str) {
966 std::stringstream ret;
967 for (unsigned int pos = 0; pos < str.length(); pos++) {
968 unsigned char c = str[pos];
969 if (c == '%' && pos+2 < str.length()) {
970 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
971 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
979 bool WildcardMatch(const char* psz, const char* mask)
986 return (*psz == '\0');
988 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1003 bool WildcardMatch(const string& str, const string& mask)
1005 return WildcardMatch(str.c_str(), mask.c_str());
1015 static std::string FormatException(std::exception* pex, const char* pszThread)
1018 char pszModule[MAX_PATH] = "";
1019 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1021 const char* pszModule = "novacoin";
1025 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1028 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1031 void LogException(std::exception* pex, const char* pszThread)
1033 std::string message = FormatException(pex, pszThread);
1034 printf("\n%s", message.c_str());
1037 void PrintException(std::exception* pex, const char* pszThread)
1039 std::string message = FormatException(pex, pszThread);
1040 printf("\n\n************************\n%s\n", message.c_str());
1041 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1042 strMiscWarning = message;
1046 void LogStackTrace() {
1047 printf("\n\n******* exception encountered *******\n");
1050 #if !defined(WIN32) && !defined(ANDROID)
1051 void* pszBuffer[32];
1053 size = backtrace(pszBuffer, 32);
1054 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1059 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1061 std::string message = FormatException(pex, pszThread);
1062 printf("\n\n************************\n%s\n", message.c_str());
1063 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1064 strMiscWarning = message;
1067 boost::filesystem::path GetDefaultDataDir()
1069 namespace fs = boost::filesystem;
1070 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1071 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1072 // Mac: ~/Library/Application Support/NovaCoin
1073 // Unix: ~/.novacoin
1076 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1079 char* pszHome = getenv("HOME");
1080 if (pszHome == NULL || strlen(pszHome) == 0)
1081 pathRet = fs::path("/");
1083 pathRet = fs::path(pszHome);
1086 pathRet /= "Library/Application Support";
1087 fs::create_directory(pathRet);
1088 return pathRet / "NovaCoin";
1091 return pathRet / ".novacoin";
1096 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1098 namespace fs = boost::filesystem;
1100 static fs::path pathCached[2];
1101 static CCriticalSection csPathCached;
1102 static bool cachedPath[2] = {false, false};
1104 fs::path &path = pathCached[fNetSpecific];
1106 // This can be called during exceptions by printf, so we cache the
1107 // value so we don't have to do memory allocations after that.
1108 if (cachedPath[fNetSpecific])
1113 if (mapArgs.count("-datadir")) {
1114 path = fs::system_complete(mapArgs["-datadir"]);
1115 if (!fs::is_directory(path)) {
1120 path = GetDefaultDataDir();
1122 if (fNetSpecific && GetBoolArg("-testnet", false))
1125 fs::create_directory(path);
1127 cachedPath[fNetSpecific]=true;
1131 string randomStrGen(int length) {
1132 static string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1134 result.resize(length);
1135 for (int32_t i = 0; i < length; i++)
1136 result[i] = charset[rand() % charset.length()];
1143 srand(static_cast<unsigned int>(time(NULL)));
1146 #if BOOST_FILESYSTEM_VERSION >= 3
1147 pConf.open(GetConfigFile().generic_string().c_str());
1149 pConf.open(GetConfigFile().string().c_str());
1151 pConf << "rpcuser=user\nrpcpassword="
1154 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1156 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1158 + "\nrpcallowip=127.0.0.1";
1162 boost::filesystem::path GetConfigFile()
1164 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1165 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1166 return pathConfigFile;
1169 void ReadConfigFile(map<string, string>& mapSettingsRet,
1170 map<string, vector<string> >& mapMultiSettingsRet)
1172 boost::filesystem::ifstream streamConfig(GetConfigFile());
1173 if (!streamConfig.good())
1176 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1177 if(!streamConfig.good())
1181 set<string> setOptions;
1182 setOptions.insert("*");
1184 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1186 // Don't overwrite existing settings so command line settings override bitcoin.conf
1187 string strKey = string("-") + it->string_key;
1188 if (mapSettingsRet.count(strKey) == 0)
1190 mapSettingsRet[strKey] = it->value[0];
1191 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1192 InterpretNegativeSetting(strKey, mapSettingsRet);
1194 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1198 boost::filesystem::path GetPidFile()
1200 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1201 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1206 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1208 FILE* file = fopen(path.string().c_str(), "w");
1211 fprintf(file, "%d\n", pid);
1217 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1220 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1221 MOVEFILE_REPLACE_EXISTING) != 0;
1223 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1228 void FileCommit(FILE *fileout)
1230 fflush(fileout); // harmless if redundantly called
1232 _commit(_fileno(fileout));
1234 fsync(fileno(fileout));
1238 int GetFilesize(FILE* file)
1240 int nSavePos = ftell(file);
1242 if (fseek(file, 0, SEEK_END) == 0)
1243 nFilesize = ftell(file);
1244 fseek(file, nSavePos, SEEK_SET);
1248 void ShrinkDebugFile()
1250 // Scroll debug.log if it's getting too big
1251 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1252 FILE* file = fopen(pathLog.string().c_str(), "r");
1253 if (file && GetFilesize(file) > 10 * 1000000)
1255 // Restart the file with some of the end
1257 vector<char>* vBuf = new vector <char>(200000, 0);
1258 fseek(file, -((long)(vBuf->size())), SEEK_END);
1259 size_t nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1261 file = fopen(pathLog.string().c_str(), "w");
1264 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1269 catch (const bad_alloc& e) {
1270 // Bad things happen - no free memory in heap at program startup
1272 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1285 // "Never go to sea with two chronometers; take one or three."
1286 // Our three time sources are:
1288 // - Median of other nodes clocks
1289 // - The user (asking the user to fix the system clock if the first two disagree)
1295 int64_t now = time(NULL);
1300 // Trusted NTP offset or median of NTP samples.
1301 extern int64_t nNtpOffset;
1303 // Median of time samples given by other nodes.
1304 static int64_t nNodesOffset = INT64_MAX;
1306 // Select time offset:
1307 int64_t GetTimeOffset()
1309 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1310 if (abs64(nNtpOffset) < 40 * 60)
1313 // If not, then choose between median peer time and system clock.
1314 if (abs64(nNodesOffset) < 70 * 60)
1315 return nNodesOffset;
1320 int64_t GetNodesOffset()
1322 return nNodesOffset;
1325 int64_t GetAdjustedTime()
1327 return GetTime() + GetTimeOffset();
1330 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1332 int64_t nOffsetSample = nTime - GetTime();
1334 // Ignore duplicates
1335 static set<CNetAddr> setKnown;
1336 if (!setKnown.insert(ip).second)
1340 vTimeOffsets.input(nOffsetSample);
1341 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1342 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1344 int64_t nMedian = vTimeOffsets.median();
1345 std::vector<int64_t> vSorted = vTimeOffsets.sorted();
1346 // Only let other nodes change our time by so much
1347 if (abs64(nMedian) < 70 * 60)
1349 nNodesOffset = nMedian;
1353 nNodesOffset = INT64_MAX;
1358 bool fMatch = false;
1360 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1361 BOOST_FOREACH(int64_t nOffset, vSorted)
1362 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1368 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1369 strMiscWarning = strMessage;
1370 printf("*** %s\n", strMessage.c_str());
1371 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1376 BOOST_FOREACH(int64_t n, vSorted)
1377 printf("%+" PRId64 " ", n);
1380 if (nNodesOffset != INT64_MAX)
1381 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1385 string FormatVersion(int nVersion)
1387 if (nVersion%100 == 0)
1388 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1390 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1393 string FormatFullVersion()
1395 return CLIENT_BUILD;
1398 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1399 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1401 std::ostringstream ss;
1403 ss << name << ":" << FormatVersion(nClientVersion);
1404 if (!comments.empty())
1405 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1411 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1413 namespace fs = boost::filesystem;
1415 char pszPath[MAX_PATH] = "";
1417 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1419 return fs::path(pszPath);
1422 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1423 return fs::path("");
1427 void runCommand(std::string strCommand)
1429 int nErr = ::system(strCommand.c_str());
1431 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1434 void RenameThread(const char* name)
1436 #if defined(PR_SET_NAME)
1437 // Only the first 15 characters are used (16 - NUL terminator)
1438 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1439 #elif (defined(__FreeBSD__) || defined(__OpenBSD__))
1440 pthread_set_name_np(pthread_self(), name);
1441 #elif defined(__APPLE__)
1442 pthread_setname_np(name);
1444 // Prevent warnings for unused parameters...
1449 bool NewThread(void(*pfn)(void*), void* parg)
1453 boost::thread(pfn, parg); // thread detaches when out of scope
1454 } catch(boost::thread_resource_error &e) {
1455 printf("Error creating thread: %s\n", e.what());
1461 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1463 // std::locale takes ownership of the pointer
1464 std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
1465 std::stringstream ss;
1467 ss << boost::posix_time::from_time_t(nTime);