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"
10 #include <boost/algorithm/string/join.hpp>
11 #include <boost/algorithm/string/case_conv.hpp> // for to_lower()
13 // Work around clang compilation problem in Boost 1.46:
14 // /usr/include/boost/program_options/detail/config_file.hpp:163:17: error: call to function 'to_internal' that is neither visible in the template definition nor found by argument-dependent lookup
15 // See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options
16 // http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION
18 namespace program_options {
19 string to_internal(const string&);
23 #include <boost/program_options/detail/config_file.hpp>
24 #include <boost/program_options/parsers.hpp>
25 #include <boost/filesystem.hpp>
26 #include <boost/filesystem/fstream.hpp>
28 #include <boost/date_time/posix_time/posix_time.hpp>
29 #include <boost/thread.hpp>
30 #include <openssl/crypto.h>
31 #include <openssl/rand.h>
37 #define _WIN32_WINNT 0x0501
41 #define _WIN32_IE 0x0501
42 #define WIN32_LEAN_AND_MEAN 1
46 #include <io.h> /* for _commit */
48 #elif defined(__linux__)
49 # include <sys/prctl.h>
52 #if !defined(WIN32) && !defined(ANDROID)
58 namespace bt = boost::posix_time;
60 map<string, string> mapArgs;
61 map<string, vector<string> > mapMultiArgs;
63 bool fDebugNet = false;
64 bool fPrintToConsole = false;
65 bool fPrintToDebugger = false;
66 bool fRequestShutdown = false;
67 bool fShutdown = false;
70 bool fCommandLine = false;
71 string strMiscWarning;
72 bool fTestNet = false;
73 bool fNoListen = false;
74 bool fLogTimestamps = false;
75 CMedianFilter<int64_t> vTimeOffsets(200,0);
76 bool fReopenDebugLog = false;
78 // Extended DecodeDumpTime implementation, see this page for details:
79 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
80 const locale formats[] = {
81 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
82 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
83 locale(locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
84 locale(locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
85 locale(locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
88 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
90 time_t pt_to_time_t(const bt::ptime& pt)
92 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
93 bt::time_duration diff = pt - timet_start;
94 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
97 // Init OpenSSL library multithreading support
98 static CCriticalSection** ppmutexOpenSSL;
99 void locking_callback(int mode, int i, const char* file, int line)
101 if (mode & CRYPTO_LOCK) {
102 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
104 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
108 LockedPageManager LockedPageManager::instance;
116 // Init OpenSSL library multithreading support
117 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
118 for (int i = 0; i < CRYPTO_num_locks(); i++)
119 ppmutexOpenSSL[i] = new CCriticalSection();
120 CRYPTO_set_locking_callback(locking_callback);
123 // Seed random number generator with screen scrape and other hardware sources
127 // Seed random number generator with performance counter
132 // Shutdown OpenSSL library multithreading support
133 CRYPTO_set_locking_callback(NULL);
134 for (int i = 0; i < CRYPTO_num_locks(); i++)
135 delete ppmutexOpenSSL[i];
136 OPENSSL_free(ppmutexOpenSSL);
143 // Seed with CPU performance counter
144 int64_t nCounter = GetPerformanceCounter();
145 RAND_add(&nCounter, sizeof(nCounter), 1.5);
146 memset(&nCounter, 0, sizeof(nCounter));
149 void RandAddSeedPerfmon()
153 // This can take up to 2 seconds, so only do it every 10 minutes
154 static int64_t nLastPerfmon;
155 if (GetTime() < nLastPerfmon + 10 * 60)
157 nLastPerfmon = GetTime();
160 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
161 // Seed with the entire set of perfmon data
162 unsigned char pdata[250000];
163 memset(pdata, 0, sizeof(pdata));
164 unsigned long nSize = sizeof(pdata);
165 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
166 RegCloseKey(HKEY_PERFORMANCE_DATA);
167 if (ret == ERROR_SUCCESS)
169 RAND_add(pdata, nSize, nSize/100.0);
170 OPENSSL_cleanse(pdata, nSize);
171 printf("RandAddSeed() %lu bytes\n", nSize);
176 uint64_t GetRand(uint64_t nMax)
181 // The range of the random source must be a multiple of the modulus
182 // to give every possible output value an equal possibility
183 uint64_t nRange = (numeric_limits<uint64_t>::max() / nMax) * nMax;
186 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
187 while (nRand >= nRange);
188 return (nRand % nMax);
191 int GetRandInt(int nMax)
193 return static_cast<int>(GetRand(nMax));
196 uint256 GetRandHash()
199 RAND_bytes((unsigned char*)&hash, sizeof(hash));
203 static FILE* fileout = NULL;
205 inline int OutputDebugStringF(const char* pszFormat, ...)
212 va_start(arg_ptr, pszFormat);
213 ret = vprintf(pszFormat, arg_ptr);
216 else if (!fPrintToDebugger)
218 // print to debug.log
222 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
223 fileout = fopen(pathDebug.string().c_str(), "a");
224 if (fileout) setbuf(fileout, NULL); // unbuffered
228 static bool fStartedNewLine = true;
230 // This routine may be called by global destructors during shutdown.
231 // Since the order of destruction of static/global objects is undefined,
232 // allocate mutexDebugLog on the heap the first time this routine
233 // is called to avoid crashes during shutdown.
234 static boost::mutex* mutexDebugLog = NULL;
235 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
236 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
238 // reopen the log file, if requested
239 if (fReopenDebugLog) {
240 fReopenDebugLog = false;
241 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
242 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
243 setbuf(fileout, NULL); // unbuffered
246 // Debug print useful for profiling
247 if (fLogTimestamps && fStartedNewLine)
248 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
249 if (pszFormat[strlen(pszFormat) - 1] == '\n')
250 fStartedNewLine = true;
252 fStartedNewLine = false;
255 va_start(arg_ptr, pszFormat);
256 ret = vfprintf(fileout, pszFormat, arg_ptr);
262 if (fPrintToDebugger)
264 static CCriticalSection cs_OutputDebugStringF;
266 // accumulate and output a line at a time
268 LOCK(cs_OutputDebugStringF);
269 static string buffer;
272 va_start(arg_ptr, pszFormat);
273 buffer += vstrprintf(pszFormat, arg_ptr);
276 size_t line_start = 0, line_end;
277 while((line_end = buffer.find('\n', line_start)) != string::npos)
279 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
280 line_start = line_end + 1;
282 buffer.erase(0, line_start);
289 string vstrprintf(const char *format, va_list ap)
293 int limit = sizeof(buffer);
299 va_copy(arg_ptr, ap);
301 va_list arg_ptr = ap;
304 ret = _vsnprintf(p, limit, format, arg_ptr);
306 ret = vsnprintf(p, limit, format, arg_ptr);
309 if (ret >= 0 && ret < limit)
314 p = new(nothrow) char[limit];
318 string str(p, p+ret);
324 string real_strprintf(const char *format, int dummy, ...)
327 va_start(arg_ptr, dummy);
328 string str = vstrprintf(format, arg_ptr);
333 string real_strprintf(const string &format, int dummy, ...)
336 va_start(arg_ptr, dummy);
337 string str = vstrprintf(format.c_str(), arg_ptr);
342 bool error(const char *format, ...)
345 va_start(arg_ptr, format);
346 string str = vstrprintf(format, arg_ptr);
348 printf("ERROR: %s\n", str.c_str());
353 void ParseString(const string& str, char c, vector<string>& v)
357 string::size_type i1 = 0;
358 string::size_type i2;
361 i2 = str.find(c, i1);
364 v.push_back(str.substr(i1));
367 v.push_back(str.substr(i1, i2-i1));
372 string FormatMoney(int64_t n, bool fPlus)
374 // Note: not using straight sprintf here because we do NOT want
375 // localized number formatting.
376 int64_t n_abs = (n > 0 ? n : -n);
377 int64_t quotient = n_abs/COIN;
378 int64_t remainder = n_abs%COIN;
379 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
381 // Right-trim excess zeros before the decimal point:
383 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
386 str.erase(str.size()-nTrim, nTrim);
389 str.insert(0u, 1, '-');
390 else if (fPlus && n > 0)
391 str.insert(0u, 1, '+');
395 bool ParseMoney(const string& str, int64_t& nRet)
397 return ParseMoney(str.c_str(), nRet);
400 bool ParseMoney(const char* pszIn, int64_t& nRet)
404 const char* p = pszIn;
412 int64_t nMult = CENT*10;
413 while (isdigit(*p) && (nMult > 0))
415 nUnits += nMult * (*p++ - '0');
424 strWhole.insert(strWhole.end(), *p);
429 if (strWhole.size() > 10) // guard against 63 bit overflow
431 if (nUnits < 0 || nUnits > COIN)
433 int64_t nWhole = atoi64(strWhole);
434 int64_t nValue = nWhole*COIN + nUnits;
440 static const int8_t phexdigit[256] =
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 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1,
446 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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 -1,0xa,0xb,0xc,0xd,0xe,0xf,-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,
454 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
455 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
456 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
457 -1, -1, -1, -1, -1, -1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
460 bool IsHex(const string& str)
462 for(unsigned char c : str)
464 if (phexdigit[c] < 0)
467 return (str.size() > 0) && (str.size()%2 == 0);
470 vector<unsigned char> ParseHex(const char* psz)
472 // convert hex dump to vector
473 vector<unsigned char> vch;
476 while (isspace(*psz))
478 auto c = phexdigit[(unsigned char)*psz++];
479 if (c == (signed char)-1)
482 c = phexdigit[(uint8_t)*psz++];
491 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
493 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
494 if (name.find("-no") == 0)
496 string positive("-");
497 positive.append(name.begin()+3, name.end());
498 if (mapSettingsRet.count(positive) == 0)
500 bool value = !GetBoolArg(name);
501 mapSettingsRet[positive] = (value ? "1" : "0");
506 void ParseParameters(int argc, const char* const argv[])
509 mapMultiArgs.clear();
510 for (int i = 1; i < argc; i++)
514 size_t is_index = str.find('=');
515 if (is_index != string::npos)
517 strValue = str.substr(is_index+1);
518 str = str.substr(0, is_index);
521 boost::to_lower(str);
522 if (str.compare(0,1, "/") == 0)
523 str = "-" + str.substr(1);
528 mapArgs[str] = strValue;
529 mapMultiArgs[str].push_back(strValue);
533 for(const auto& entry : mapArgs)
535 string name = entry.first;
537 // interpret --foo as -foo (as long as both are not set)
538 if (name.find("--") == 0)
540 string singleDash(name.begin()+1, name.end());
541 if (mapArgs.count(singleDash) == 0)
542 mapArgs[singleDash] = entry.second;
546 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
547 InterpretNegativeSetting(name, mapArgs);
551 string GetArg(const string& strArg, const string& strDefault)
553 if (mapArgs.count(strArg))
554 return mapArgs[strArg];
558 int64_t GetArg(const string& strArg, int64_t nDefault)
560 if (mapArgs.count(strArg))
561 return atoi64(mapArgs[strArg]);
565 int32_t GetArgInt(const string& strArg, int32_t nDefault)
567 if (mapArgs.count(strArg))
568 return strtol(mapArgs[strArg]);
572 uint32_t GetArgUInt(const string& strArg, uint32_t nDefault)
574 if (mapArgs.count(strArg))
575 return strtoul(mapArgs[strArg]);
579 bool GetBoolArg(const string& strArg, bool fDefault)
581 if (mapArgs.count(strArg))
583 if (mapArgs[strArg].empty())
585 return (atoi(mapArgs[strArg]) != 0);
590 bool SoftSetArg(const string& strArg, const string& strValue)
592 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
594 mapArgs[strArg] = strValue;
595 mapMultiArgs[strArg].push_back(strValue);
600 bool SoftSetBoolArg(const string& strArg, bool fValue)
603 return SoftSetArg(strArg, string("1"));
605 return SoftSetArg(strArg, string("0"));
609 string EncodeBase64(const unsigned char* pch, size_t len)
611 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
614 strRet.reserve((len+2)/3*4);
617 const unsigned char *pchEnd = pch+len;
624 case 0: // we have no bits
625 strRet += pbase64[enc >> 2];
626 left = (enc & 3) << 4;
630 case 1: // we have two bits
631 strRet += pbase64[left | (enc >> 4)];
632 left = (enc & 15) << 2;
636 case 2: // we have four bits
637 strRet += pbase64[left | (enc >> 6)];
638 strRet += pbase64[enc & 63];
646 strRet += pbase64[left];
655 string EncodeBase64(const string& str)
657 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
660 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
662 static const int decode64_table[256] =
664 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
665 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
666 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
667 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
668 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
669 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
670 49, 50, 51, -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, -1, -1, -1, -1,
674 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
675 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
676 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
682 vector<unsigned char> vchRet;
683 vchRet.reserve(strlen(p)*3/4);
690 int dec = decode64_table[(unsigned char)*p];
691 if (dec == -1) break;
695 case 0: // we have no bits and get 6
700 case 1: // we have 6 bits and keep 4
701 vchRet.push_back((left<<2) | (dec>>4));
706 case 2: // we have 4 bits and get 6, we keep 2
707 vchRet.push_back((left<<4) | (dec>>2));
712 case 3: // we have 2 bits and get 6
713 vchRet.push_back((left<<6) | dec);
722 case 0: // 4n base64 characters processed: ok
725 case 1: // 4n+1 base64 character processed: impossible
729 case 2: // 4n+2 base64 characters processed: require '=='
730 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
734 case 3: // 4n+3 base64 characters processed: require '='
735 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
743 string DecodeBase64(const string& str)
745 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
746 return string((const char*)&vchRet[0], vchRet.size());
749 string EncodeBase32(const unsigned char* pch, size_t len)
751 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
754 strRet.reserve((len+4)/5*8);
757 const unsigned char *pchEnd = pch+len;
764 case 0: // we have no bits
765 strRet += pbase32[enc >> 3];
766 left = (enc & 7) << 2;
770 case 1: // we have three bits
771 strRet += pbase32[left | (enc >> 6)];
772 strRet += pbase32[(enc >> 1) & 31];
773 left = (enc & 1) << 4;
777 case 2: // we have one bit
778 strRet += pbase32[left | (enc >> 4)];
779 left = (enc & 15) << 1;
783 case 3: // we have four bits
784 strRet += pbase32[left | (enc >> 7)];
785 strRet += pbase32[(enc >> 2) & 31];
786 left = (enc & 3) << 3;
790 case 4: // we have two bits
791 strRet += pbase32[left | (enc >> 5)];
792 strRet += pbase32[enc & 31];
797 static const int nPadding[5] = {0, 6, 4, 3, 1};
800 strRet += pbase32[left];
801 for (int n=0; n<nPadding[mode]; n++)
808 string EncodeBase32(const string& str)
810 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
813 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
815 static const int decode32_table[256] =
817 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
818 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
819 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
820 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
821 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
822 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
823 23, 24, 25, -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, -1, -1, -1, -1,
827 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
828 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
829 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
835 vector<unsigned char> vchRet;
836 vchRet.reserve((strlen(p))*5/8);
843 int dec = decode32_table[(unsigned char)*p];
844 if (dec == -1) break;
848 case 0: // we have no bits and get 5
853 case 1: // we have 5 bits and keep 2
854 vchRet.push_back((left<<3) | (dec>>2));
859 case 2: // we have 2 bits and keep 7
860 left = left << 5 | dec;
864 case 3: // we have 7 bits and keep 4
865 vchRet.push_back((left<<1) | (dec>>4));
870 case 4: // we have 4 bits, and keep 1
871 vchRet.push_back((left<<4) | (dec>>1));
876 case 5: // we have 1 bit, and keep 6
877 left = left << 5 | dec;
881 case 6: // we have 6 bits, and keep 3
882 vchRet.push_back((left<<2) | (dec>>3));
887 case 7: // we have 3 bits, and keep 0
888 vchRet.push_back((left<<5) | dec);
897 case 0: // 8n base32 characters processed: ok
900 case 1: // 8n+1 base32 characters processed: impossible
906 case 2: // 8n+2 base32 characters processed: require '======'
907 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
911 case 4: // 8n+4 base32 characters processed: require '===='
912 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
916 case 5: // 8n+5 base32 characters processed: require '==='
917 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
921 case 7: // 8n+7 base32 characters processed: require '='
922 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
930 string DecodeBase32(const string& str)
932 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
933 return string((const char*)&vchRet[0], vchRet.size());
937 int64_t DecodeDumpTime(const string& s)
941 for(size_t i=0; i<formats_n; ++i)
944 is.imbue(formats[i]);
946 if(pt != bt::ptime()) break;
949 return pt_to_time_t(pt);
952 string EncodeDumpTime(int64_t nTime) {
953 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
956 string EncodeDumpString(const string &str) {
958 for(unsigned char c : str) {
959 if (c <= 32 || c >= 128 || c == '%') {
960 ret << '%' << HexStr(&c, &c + 1);
968 string DecodeDumpString(const string &str) {
970 for (unsigned int pos = 0; pos < str.length(); pos++) {
971 unsigned char c = str[pos];
972 if (c == '%' && pos+2 < str.length()) {
973 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
974 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
982 bool WildcardMatch(const char* psz, const char* mask)
989 return (*psz == '\0');
991 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1006 bool WildcardMatch(const string& str, const string& mask)
1008 return WildcardMatch(str.c_str(), mask.c_str());
1012 static string FormatException(exception* pex, const char* pszThread)
1015 char pszModule[MAX_PATH] = "";
1016 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1018 const char* pszModule = "novacoin";
1022 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1025 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1028 void LogException(exception* pex, const char* pszThread)
1030 string message = FormatException(pex, pszThread);
1031 printf("\n%s", message.c_str());
1034 void PrintException(exception* pex, const char* pszThread)
1036 string message = FormatException(pex, pszThread);
1037 printf("\n\n************************\n%s\n", message.c_str());
1038 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1039 strMiscWarning = message;
1043 void LogStackTrace() {
1044 printf("\n\n******* exception encountered *******\n");
1047 #if !defined(WIN32) && !defined(ANDROID)
1048 void* pszBuffer[32];
1050 size = backtrace(pszBuffer, 32);
1051 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1056 void PrintExceptionContinue(exception* pex, const char* pszThread)
1058 string message = FormatException(pex, pszThread);
1059 printf("\n\n************************\n%s\n", message.c_str());
1060 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1061 strMiscWarning = message;
1064 boost::filesystem::path GetDefaultDataDir()
1066 namespace fs = boost::filesystem;
1067 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1068 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1069 // Mac: ~/Library/Application Support/NovaCoin
1070 // Unix: ~/.novacoin
1073 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1076 char* pszHome = getenv("HOME");
1077 if (pszHome == NULL || strlen(pszHome) == 0)
1078 pathRet = fs::path("/");
1080 pathRet = fs::path(pszHome);
1083 pathRet /= "Library/Application Support";
1084 fs::create_directory(pathRet);
1085 return pathRet / "NovaCoin";
1088 return pathRet / ".novacoin";
1093 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1095 namespace fs = boost::filesystem;
1097 static fs::path pathCached[2];
1098 static CCriticalSection csPathCached;
1099 static bool cachedPath[2] = {false, false};
1101 fs::path &path = pathCached[fNetSpecific];
1103 // This can be called during exceptions by printf, so we cache the
1104 // value so we don't have to do memory allocations after that.
1105 if (cachedPath[fNetSpecific])
1110 if (mapArgs.count("-datadir")) {
1111 path = fs::system_complete(mapArgs["-datadir"]);
1112 if (!fs::is_directory(path)) {
1117 path = GetDefaultDataDir();
1119 if (fNetSpecific && GetBoolArg("-testnet", false))
1122 fs::create_directory(path);
1124 cachedPath[fNetSpecific]=true;
1128 string randomStrGen(int length) {
1129 static string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1131 result.resize(length);
1132 for (int32_t i = 0; i < length; i++)
1133 result[i] = charset[rand() % charset.length()];
1140 srand(static_cast<unsigned int>(time(NULL)));
1143 #if BOOST_FILESYSTEM_VERSION >= 3
1144 pConf.open(GetConfigFile().generic_string().c_str());
1146 pConf.open(GetConfigFile().string().c_str());
1148 pConf << "rpcuser=user\nrpcpassword="
1151 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1153 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1155 + "\nrpcallowip=127.0.0.1";
1159 boost::filesystem::path GetConfigFile()
1161 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1162 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1163 return pathConfigFile;
1166 void ReadConfigFile(map<string, string>& mapSettingsRet,
1167 map<string, vector<string> >& mapMultiSettingsRet)
1169 boost::filesystem::ifstream streamConfig(GetConfigFile());
1170 if (!streamConfig.good())
1173 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1174 if(!streamConfig.good())
1178 set<string> setOptions;
1179 setOptions.insert("*");
1181 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1183 // Don't overwrite existing settings so command line settings override bitcoin.conf
1184 string strKey = string("-") + it->string_key;
1185 if (mapSettingsRet.count(strKey) == 0)
1187 mapSettingsRet[strKey] = it->value[0];
1188 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1189 InterpretNegativeSetting(strKey, mapSettingsRet);
1191 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1195 boost::filesystem::path GetPidFile()
1197 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1198 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1203 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1205 FILE* file = fopen(path.string().c_str(), "w");
1208 fprintf(file, "%d\n", pid);
1214 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1217 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1218 MOVEFILE_REPLACE_EXISTING) != 0;
1220 int rc = rename(src.string().c_str(), dest.string().c_str());
1225 void FileCommit(FILE *fileout)
1227 fflush(fileout); // harmless if redundantly called
1229 _commit(_fileno(fileout));
1231 fsync(fileno(fileout));
1235 int GetFilesize(FILE* file)
1237 int nSavePos = ftell(file);
1239 if (fseek(file, 0, SEEK_END) == 0)
1240 nFilesize = ftell(file);
1241 fseek(file, nSavePos, SEEK_SET);
1245 void ShrinkDebugFile()
1247 // Scroll debug.log if it's getting too big
1248 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1249 FILE* file = fopen(pathLog.string().c_str(), "r");
1250 if (file && GetFilesize(file) > 10 * 1000000)
1252 // Restart the file with some of the end
1254 vector<char>* vBuf = new vector <char>(200000, 0);
1255 fseek(file, -((long)(vBuf->size())), SEEK_END);
1256 size_t nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1258 file = fopen(pathLog.string().c_str(), "w");
1261 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1266 catch (const bad_alloc& e) {
1267 // Bad things happen - no free memory in heap at program startup
1269 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1275 // "Never go to sea with two chronometers; take one or three."
1276 // Our three time sources are:
1278 // - Median of other nodes clocks
1279 // - The user (asking the user to fix the system clock if the first two disagree)
1285 int64_t now = time(NULL);
1290 // Trusted NTP offset or median of NTP samples.
1291 extern int64_t nNtpOffset;
1293 // Median of time samples given by other nodes.
1294 static int64_t nNodesOffset = INT64_MAX;
1296 // Select time offset:
1297 int64_t GetTimeOffset()
1299 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1300 if (abs(nNtpOffset) < 40 * 60)
1303 // If not, then choose between median peer time and system clock.
1304 if (abs(nNodesOffset) < 70 * 60)
1305 return nNodesOffset;
1310 int64_t GetNodesOffset()
1312 return nNodesOffset;
1315 int64_t GetAdjustedTime()
1317 return GetTime() + GetTimeOffset();
1320 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1322 int64_t nOffsetSample = nTime - GetTime();
1324 // Ignore duplicates
1325 static set<CNetAddr> setKnown;
1326 if (!setKnown.insert(ip).second)
1330 vTimeOffsets.input(nOffsetSample);
1331 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1332 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1334 auto nMedian = vTimeOffsets.median();
1335 auto vSorted = vTimeOffsets.sorted();
1336 // Only let other nodes change our time by so much
1337 if (abs(nMedian) < 70 * 60)
1339 nNodesOffset = nMedian;
1343 nNodesOffset = INT64_MAX;
1348 bool fMatch = false;
1350 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1351 for(auto nOffset : vSorted)
1352 if (nOffset != 0 && abs(nOffset) < 5 * 60)
1358 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1359 strMiscWarning = strMessage;
1360 printf("*** %s\n", strMessage.c_str());
1361 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1366 for(int64_t n : vSorted)
1367 printf("%+" PRId64 " ", n);
1370 if (nNodesOffset != INT64_MAX)
1371 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1375 string FormatVersion(int nVersion)
1377 if (nVersion%100 == 0)
1378 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1380 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1383 string FormatFullVersion()
1385 return CLIENT_BUILD;
1388 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1389 string FormatSubVersion(const string& name, int nClientVersion, const vector<string>& comments)
1393 ss << name << ":" << FormatVersion(nClientVersion);
1394 if (!comments.empty())
1395 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1401 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1403 namespace fs = boost::filesystem;
1405 char pszPath[MAX_PATH] = "";
1407 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1409 return fs::path(pszPath);
1412 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1413 return fs::path("");
1417 void runCommand(string strCommand)
1419 int nErr = ::system(strCommand.c_str());
1421 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1424 void RenameThread(const char* name)
1426 #if defined(PR_SET_NAME)
1427 // Only the first 15 characters are used (16 - NUL terminator)
1428 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1429 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1430 // TODO: This is currently disabled because it needs to be verified to work
1431 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1433 pthread_set_name_np(pthread_self(), name);
1435 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1436 // #elif defined(MAC_OSX)
1437 // pthread_setname_np(name);
1440 // Prevent warnings for unused parameters...
1445 bool NewThread(void(*pfn)(void*), void* parg)
1449 boost::thread(pfn, parg); // thread detaches when out of scope
1450 } catch(boost::thread_resource_error &e) {
1451 printf("Error creating thread: %s\n", e.what());
1457 string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1459 // locale takes ownership of the pointer
1460 locale loc(locale::classic(), new boost::posix_time::time_facet(pszFormat));
1463 ss << boost::posix_time::from_time_t(nTime);