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()
12 #include <boost/algorithm/string/predicate.hpp> // for startswith() and endswith()
14 // Work around clang compilation problem in Boost 1.46:
15 // /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
16 // See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options
17 // http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION
19 namespace program_options {
20 std::string to_internal(const std::string&);
24 #include <boost/program_options/detail/config_file.hpp>
25 #include <boost/program_options/parsers.hpp>
26 #include <boost/filesystem.hpp>
27 #include <boost/filesystem/fstream.hpp>
29 #include <boost/date_time/posix_time/posix_time.hpp>
30 #include <boost/thread.hpp>
31 #include <openssl/crypto.h>
32 #include <openssl/rand.h>
38 #define _WIN32_WINNT 0x0501
42 #define _WIN32_IE 0x0501
43 #define WIN32_LEAN_AND_MEAN 1
47 #include <io.h> /* for _commit */
49 #elif defined(__linux__)
50 # include <sys/prctl.h>
53 #if !defined(WIN32) && !defined(ANDROID)
59 namespace bt = boost::posix_time;
61 map<string, string> mapArgs;
62 map<string, vector<string> > mapMultiArgs;
64 bool fDebugNet = false;
65 bool fPrintToConsole = false;
66 bool fPrintToDebugger = false;
67 bool fRequestShutdown = false;
68 bool fShutdown = false;
71 bool fCommandLine = false;
72 string strMiscWarning;
73 bool fTestNet = false;
74 bool fNoListen = false;
75 bool fLogTimestamps = false;
76 CMedianFilter<int64_t> vTimeOffsets(200,0);
77 bool fReopenDebugLog = false;
79 // Extended DecodeDumpTime implementation, see this page for details:
80 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
81 const std::locale formats[] = {
82 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
83 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
84 std::locale(std::locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
85 std::locale(std::locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
86 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
89 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
91 std::time_t pt_to_time_t(const bt::ptime& pt)
93 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
94 bt::time_duration diff = pt - timet_start;
95 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
98 // Init OpenSSL library multithreading support
99 static CCriticalSection** ppmutexOpenSSL;
100 void locking_callback(int mode, int i, const char* file, int line)
102 if (mode & CRYPTO_LOCK) {
103 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
105 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
109 LockedPageManager LockedPageManager::instance;
117 // Init OpenSSL library multithreading support
118 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
119 for (int i = 0; i < CRYPTO_num_locks(); i++)
120 ppmutexOpenSSL[i] = new CCriticalSection();
121 CRYPTO_set_locking_callback(locking_callback);
124 // Seed random number generator with screen scrape and other hardware sources
128 // Seed random number generator with performance counter
133 // Shutdown OpenSSL library multithreading support
134 CRYPTO_set_locking_callback(NULL);
135 for (int i = 0; i < CRYPTO_num_locks(); i++)
136 delete ppmutexOpenSSL[i];
137 OPENSSL_free(ppmutexOpenSSL);
151 // Seed with CPU performance counter
152 int64_t nCounter = GetPerformanceCounter();
153 RAND_add(&nCounter, sizeof(nCounter), 1.5);
154 memset(&nCounter, 0, sizeof(nCounter));
157 void RandAddSeedPerfmon()
161 // This can take up to 2 seconds, so only do it every 10 minutes
162 static int64_t nLastPerfmon;
163 if (GetTime() < nLastPerfmon + 10 * 60)
165 nLastPerfmon = GetTime();
168 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
169 // Seed with the entire set of perfmon data
170 unsigned char pdata[250000];
171 memset(pdata, 0, sizeof(pdata));
172 unsigned long nSize = sizeof(pdata);
173 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
174 RegCloseKey(HKEY_PERFORMANCE_DATA);
175 if (ret == ERROR_SUCCESS)
177 RAND_add(pdata, nSize, nSize/100.0);
178 OPENSSL_cleanse(pdata, nSize);
179 printf("RandAddSeed() %lu bytes\n", nSize);
184 uint64_t GetRand(uint64_t nMax)
189 // The range of the random source must be a multiple of the modulus
190 // to give every possible output value an equal possibility
191 uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
194 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
195 while (nRand >= nRange);
196 return (nRand % nMax);
199 int GetRandInt(int nMax)
201 return static_cast<int>(GetRand(nMax));
204 uint256 GetRandHash()
207 RAND_bytes((unsigned char*)&hash, sizeof(hash));
216 static FILE* fileout = NULL;
218 inline int OutputDebugStringF(const char* pszFormat, ...)
225 va_start(arg_ptr, pszFormat);
226 ret = vprintf(pszFormat, arg_ptr);
229 else if (!fPrintToDebugger)
231 // print to debug.log
235 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
236 fileout = fopen(pathDebug.string().c_str(), "a");
237 if (fileout) setbuf(fileout, NULL); // unbuffered
241 static bool fStartedNewLine = true;
243 // This routine may be called by global destructors during shutdown.
244 // Since the order of destruction of static/global objects is undefined,
245 // allocate mutexDebugLog on the heap the first time this routine
246 // is called to avoid crashes during shutdown.
247 static boost::mutex* mutexDebugLog = NULL;
248 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
249 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
251 // reopen the log file, if requested
252 if (fReopenDebugLog) {
253 fReopenDebugLog = false;
254 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
255 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
256 setbuf(fileout, NULL); // unbuffered
259 // Debug print useful for profiling
260 if (fLogTimestamps && fStartedNewLine)
261 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
262 if (pszFormat[strlen(pszFormat) - 1] == '\n')
263 fStartedNewLine = true;
265 fStartedNewLine = false;
268 va_start(arg_ptr, pszFormat);
269 ret = vfprintf(fileout, pszFormat, arg_ptr);
275 if (fPrintToDebugger)
277 static CCriticalSection cs_OutputDebugStringF;
279 // accumulate and output a line at a time
281 LOCK(cs_OutputDebugStringF);
282 static std::string buffer;
285 va_start(arg_ptr, pszFormat);
286 buffer += vstrprintf(pszFormat, arg_ptr);
289 size_t line_start = 0, line_end;
290 while((line_end = buffer.find('\n', line_start)) != -1)
292 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
293 line_start = line_end + 1;
295 buffer.erase(0, line_start);
302 string vstrprintf(const char *format, va_list ap)
306 int limit = sizeof(buffer);
312 va_copy(arg_ptr, ap);
314 va_list arg_ptr = ap;
317 ret = _vsnprintf(p, limit, format, arg_ptr);
319 ret = vsnprintf(p, limit, format, arg_ptr);
322 if (ret >= 0 && ret < limit)
327 p = new(nothrow) char[limit];
329 throw std::bad_alloc();
331 string str(p, p+ret);
337 string real_strprintf(const char *format, int dummy, ...)
340 va_start(arg_ptr, dummy);
341 string str = vstrprintf(format, arg_ptr);
346 string real_strprintf(const std::string &format, int dummy, ...)
349 va_start(arg_ptr, dummy);
350 string str = vstrprintf(format.c_str(), arg_ptr);
355 bool error(const char *format, ...)
358 va_start(arg_ptr, format);
359 std::string str = vstrprintf(format, arg_ptr);
361 printf("ERROR: %s\n", str.c_str());
366 void ParseString(const string& str, char c, vector<string>& v)
370 string::size_type i1 = 0;
371 string::size_type i2;
374 i2 = str.find(c, i1);
377 v.push_back(str.substr(i1));
380 v.push_back(str.substr(i1, i2-i1));
386 string FormatMoney(int64_t n, bool fPlus)
388 // Note: not using straight sprintf here because we do NOT want
389 // localized number formatting.
390 int64_t n_abs = (n > 0 ? n : -n);
391 int64_t quotient = n_abs/COIN;
392 int64_t remainder = n_abs%COIN;
393 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
395 // Right-trim excess zeros before the decimal point:
397 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
400 str.erase(str.size()-nTrim, nTrim);
403 str.insert(0u, 1, '-');
404 else if (fPlus && n > 0)
405 str.insert(0u, 1, '+');
410 bool ParseMoney(const string& str, int64_t& nRet)
412 return ParseMoney(str.c_str(), nRet);
415 bool ParseMoney(const char* pszIn, int64_t& nRet)
419 const char* p = pszIn;
427 int64_t nMult = CENT*10;
428 while (isdigit(*p) && (nMult > 0))
430 nUnits += nMult * (*p++ - '0');
439 strWhole.insert(strWhole.end(), *p);
444 if (strWhole.size() > 10) // guard against 63 bit overflow
446 if (nUnits < 0 || nUnits > COIN)
448 int64_t nWhole = atoi64(strWhole);
449 int64_t nValue = nWhole*COIN + nUnits;
456 static const signed char phexdigit[256] =
457 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
458 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
459 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
460 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
461 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
462 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
463 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
464 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
465 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
466 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
467 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
468 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
469 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
470 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
471 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
472 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
474 bool IsHex(const string& str)
476 for(unsigned char c : str)
478 if (phexdigit[c] < 0)
481 return (str.size() > 0) && (str.size()%2 == 0);
484 vector<unsigned char> ParseHex(const char* psz)
486 // convert hex dump to vector
487 vector<unsigned char> vch;
490 while (isspace(*psz))
492 signed char c = phexdigit[(unsigned char)*psz++];
493 if (c == (signed char)-1)
495 unsigned char n = (c << 4);
496 c = phexdigit[(unsigned char)*psz++];
497 if (c == (signed char)-1)
505 vector<unsigned char> ParseHex(const string& str)
507 return ParseHex(str.c_str());
510 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
512 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
513 if (name.find("-no") == 0)
515 std::string positive("-");
516 positive.append(name.begin()+3, name.end());
517 if (mapSettingsRet.count(positive) == 0)
519 bool value = !GetBoolArg(name);
520 mapSettingsRet[positive] = (value ? "1" : "0");
525 void ParseParameters(int argc, const char* const argv[])
528 mapMultiArgs.clear();
529 for (int i = 1; i < argc; i++)
531 std::string str(argv[i]);
532 std::string strValue;
533 size_t is_index = str.find('=');
534 if (is_index != std::string::npos)
536 strValue = str.substr(is_index+1);
537 str = str.substr(0, is_index);
540 boost::to_lower(str);
541 if (boost::algorithm::starts_with(str, "/"))
542 str = "-" + str.substr(1);
547 mapArgs[str] = strValue;
548 mapMultiArgs[str].push_back(strValue);
552 for(const auto& entry : mapArgs)
554 string name = entry.first;
556 // interpret --foo as -foo (as long as both are not set)
557 if (name.find("--") == 0)
559 std::string singleDash(name.begin()+1, name.end());
560 if (mapArgs.count(singleDash) == 0)
561 mapArgs[singleDash] = entry.second;
565 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
566 InterpretNegativeSetting(name, mapArgs);
570 std::string GetArg(const std::string& strArg, const std::string& strDefault)
572 if (mapArgs.count(strArg))
573 return mapArgs[strArg];
577 int64_t GetArg(const std::string& strArg, int64_t nDefault)
579 if (mapArgs.count(strArg))
580 return atoi64(mapArgs[strArg]);
584 int32_t GetArgInt(const std::string& strArg, int32_t nDefault)
586 if (mapArgs.count(strArg))
587 return strtol(mapArgs[strArg]);
591 uint32_t GetArgUInt(const std::string& strArg, uint32_t nDefault)
593 if (mapArgs.count(strArg))
594 return strtoul(mapArgs[strArg]);
598 bool GetBoolArg(const std::string& strArg, bool fDefault)
600 if (mapArgs.count(strArg))
602 if (mapArgs[strArg].empty())
604 return (atoi(mapArgs[strArg]) != 0);
609 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
611 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
613 mapArgs[strArg] = strValue;
614 mapMultiArgs[strArg].push_back(strValue);
619 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
622 return SoftSetArg(strArg, std::string("1"));
624 return SoftSetArg(strArg, std::string("0"));
628 string EncodeBase64(const unsigned char* pch, size_t len)
630 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
633 strRet.reserve((len+2)/3*4);
636 const unsigned char *pchEnd = pch+len;
643 case 0: // we have no bits
644 strRet += pbase64[enc >> 2];
645 left = (enc & 3) << 4;
649 case 1: // we have two bits
650 strRet += pbase64[left | (enc >> 4)];
651 left = (enc & 15) << 2;
655 case 2: // we have four bits
656 strRet += pbase64[left | (enc >> 6)];
657 strRet += pbase64[enc & 63];
665 strRet += pbase64[left];
674 string EncodeBase64(const string& str)
676 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
679 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
681 static const int decode64_table[256] =
683 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
684 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
685 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
686 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
687 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
688 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
689 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
690 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
691 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
692 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
693 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
694 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
695 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
701 vector<unsigned char> vchRet;
702 vchRet.reserve(strlen(p)*3/4);
709 int dec = decode64_table[(unsigned char)*p];
710 if (dec == -1) break;
714 case 0: // we have no bits and get 6
719 case 1: // we have 6 bits and keep 4
720 vchRet.push_back((left<<2) | (dec>>4));
725 case 2: // we have 4 bits and get 6, we keep 2
726 vchRet.push_back((left<<4) | (dec>>2));
731 case 3: // we have 2 bits and get 6
732 vchRet.push_back((left<<6) | dec);
741 case 0: // 4n base64 characters processed: ok
744 case 1: // 4n+1 base64 character processed: impossible
748 case 2: // 4n+2 base64 characters processed: require '=='
749 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
753 case 3: // 4n+3 base64 characters processed: require '='
754 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
762 string DecodeBase64(const string& str)
764 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
765 return string((const char*)&vchRet[0], vchRet.size());
768 string EncodeBase32(const unsigned char* pch, size_t len)
770 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
773 strRet.reserve((len+4)/5*8);
776 const unsigned char *pchEnd = pch+len;
783 case 0: // we have no bits
784 strRet += pbase32[enc >> 3];
785 left = (enc & 7) << 2;
789 case 1: // we have three bits
790 strRet += pbase32[left | (enc >> 6)];
791 strRet += pbase32[(enc >> 1) & 31];
792 left = (enc & 1) << 4;
796 case 2: // we have one bit
797 strRet += pbase32[left | (enc >> 4)];
798 left = (enc & 15) << 1;
802 case 3: // we have four bits
803 strRet += pbase32[left | (enc >> 7)];
804 strRet += pbase32[(enc >> 2) & 31];
805 left = (enc & 3) << 3;
809 case 4: // we have two bits
810 strRet += pbase32[left | (enc >> 5)];
811 strRet += pbase32[enc & 31];
816 static const int nPadding[5] = {0, 6, 4, 3, 1};
819 strRet += pbase32[left];
820 for (int n=0; n<nPadding[mode]; n++)
827 string EncodeBase32(const string& str)
829 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
832 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
834 static const int decode32_table[256] =
836 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
837 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
838 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
839 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
840 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
841 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
842 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
843 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
844 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
845 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
846 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
847 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
848 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
854 vector<unsigned char> vchRet;
855 vchRet.reserve((strlen(p))*5/8);
862 int dec = decode32_table[(unsigned char)*p];
863 if (dec == -1) break;
867 case 0: // we have no bits and get 5
872 case 1: // we have 5 bits and keep 2
873 vchRet.push_back((left<<3) | (dec>>2));
878 case 2: // we have 2 bits and keep 7
879 left = left << 5 | dec;
883 case 3: // we have 7 bits and keep 4
884 vchRet.push_back((left<<1) | (dec>>4));
889 case 4: // we have 4 bits, and keep 1
890 vchRet.push_back((left<<4) | (dec>>1));
895 case 5: // we have 1 bit, and keep 6
896 left = left << 5 | dec;
900 case 6: // we have 6 bits, and keep 3
901 vchRet.push_back((left<<2) | (dec>>3));
906 case 7: // we have 3 bits, and keep 0
907 vchRet.push_back((left<<5) | dec);
916 case 0: // 8n base32 characters processed: ok
919 case 1: // 8n+1 base32 characters processed: impossible
925 case 2: // 8n+2 base32 characters processed: require '======'
926 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
930 case 4: // 8n+4 base32 characters processed: require '===='
931 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
935 case 5: // 8n+5 base32 characters processed: require '==='
936 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
940 case 7: // 8n+7 base32 characters processed: require '='
941 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
949 string DecodeBase32(const string& str)
951 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
952 return string((const char*)&vchRet[0], vchRet.size());
956 int64_t DecodeDumpTime(const std::string& s)
960 for(size_t i=0; i<formats_n; ++i)
962 std::istringstream is(s);
963 is.imbue(formats[i]);
965 if(pt != bt::ptime()) break;
968 return pt_to_time_t(pt);
971 std::string EncodeDumpTime(int64_t nTime) {
972 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
975 std::string EncodeDumpString(const std::string &str) {
976 std::stringstream ret;
977 for(unsigned char c : str) {
978 if (c <= 32 || c >= 128 || c == '%') {
979 ret << '%' << HexStr(&c, &c + 1);
987 std::string DecodeDumpString(const std::string &str) {
988 std::stringstream ret;
989 for (unsigned int pos = 0; pos < str.length(); pos++) {
990 unsigned char c = str[pos];
991 if (c == '%' && pos+2 < str.length()) {
992 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
993 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
1001 bool WildcardMatch(const char* psz, const char* mask)
1008 return (*psz == '\0');
1010 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1025 bool WildcardMatch(const string& str, const string& mask)
1027 return WildcardMatch(str.c_str(), mask.c_str());
1037 static std::string FormatException(std::exception* pex, const char* pszThread)
1040 char pszModule[MAX_PATH] = "";
1041 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1043 const char* pszModule = "novacoin";
1047 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1050 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1053 void LogException(std::exception* pex, const char* pszThread)
1055 std::string message = FormatException(pex, pszThread);
1056 printf("\n%s", message.c_str());
1059 void PrintException(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;
1068 void LogStackTrace() {
1069 printf("\n\n******* exception encountered *******\n");
1072 #if !defined(WIN32) && !defined(ANDROID)
1073 void* pszBuffer[32];
1075 size = backtrace(pszBuffer, 32);
1076 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1081 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1083 std::string message = FormatException(pex, pszThread);
1084 printf("\n\n************************\n%s\n", message.c_str());
1085 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1086 strMiscWarning = message;
1089 boost::filesystem::path GetDefaultDataDir()
1091 namespace fs = boost::filesystem;
1092 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1093 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1094 // Mac: ~/Library/Application Support/NovaCoin
1095 // Unix: ~/.novacoin
1098 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1101 char* pszHome = getenv("HOME");
1102 if (pszHome == NULL || strlen(pszHome) == 0)
1103 pathRet = fs::path("/");
1105 pathRet = fs::path(pszHome);
1108 pathRet /= "Library/Application Support";
1109 fs::create_directory(pathRet);
1110 return pathRet / "NovaCoin";
1113 return pathRet / ".novacoin";
1118 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1120 namespace fs = boost::filesystem;
1122 static fs::path pathCached[2];
1123 static CCriticalSection csPathCached;
1124 static bool cachedPath[2] = {false, false};
1126 fs::path &path = pathCached[fNetSpecific];
1128 // This can be called during exceptions by printf, so we cache the
1129 // value so we don't have to do memory allocations after that.
1130 if (cachedPath[fNetSpecific])
1135 if (mapArgs.count("-datadir")) {
1136 path = fs::system_complete(mapArgs["-datadir"]);
1137 if (!fs::is_directory(path)) {
1142 path = GetDefaultDataDir();
1144 if (fNetSpecific && GetBoolArg("-testnet", false))
1147 fs::create_directory(path);
1149 cachedPath[fNetSpecific]=true;
1153 string randomStrGen(int length) {
1154 static string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1156 result.resize(length);
1157 for (int32_t i = 0; i < length; i++)
1158 result[i] = charset[rand() % charset.length()];
1165 srand(static_cast<unsigned int>(time(NULL)));
1168 #if BOOST_FILESYSTEM_VERSION >= 3
1169 pConf.open(GetConfigFile().generic_string().c_str());
1171 pConf.open(GetConfigFile().string().c_str());
1173 pConf << "rpcuser=user\nrpcpassword="
1176 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1178 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1180 + "\nrpcallowip=127.0.0.1";
1184 boost::filesystem::path GetConfigFile()
1186 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1187 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1188 return pathConfigFile;
1191 void ReadConfigFile(map<string, string>& mapSettingsRet,
1192 map<string, vector<string> >& mapMultiSettingsRet)
1194 boost::filesystem::ifstream streamConfig(GetConfigFile());
1195 if (!streamConfig.good())
1198 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1199 if(!streamConfig.good())
1203 set<string> setOptions;
1204 setOptions.insert("*");
1206 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1208 // Don't overwrite existing settings so command line settings override bitcoin.conf
1209 string strKey = string("-") + it->string_key;
1210 if (mapSettingsRet.count(strKey) == 0)
1212 mapSettingsRet[strKey] = it->value[0];
1213 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1214 InterpretNegativeSetting(strKey, mapSettingsRet);
1216 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1220 boost::filesystem::path GetPidFile()
1222 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1223 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1228 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1230 FILE* file = fopen(path.string().c_str(), "w");
1233 fprintf(file, "%d\n", pid);
1239 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1242 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1243 MOVEFILE_REPLACE_EXISTING) != 0;
1245 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1250 void FileCommit(FILE *fileout)
1252 fflush(fileout); // harmless if redundantly called
1254 _commit(_fileno(fileout));
1256 fsync(fileno(fileout));
1260 int GetFilesize(FILE* file)
1262 int nSavePos = ftell(file);
1264 if (fseek(file, 0, SEEK_END) == 0)
1265 nFilesize = ftell(file);
1266 fseek(file, nSavePos, SEEK_SET);
1270 void ShrinkDebugFile()
1272 // Scroll debug.log if it's getting too big
1273 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1274 FILE* file = fopen(pathLog.string().c_str(), "r");
1275 if (file && GetFilesize(file) > 10 * 1000000)
1277 // Restart the file with some of the end
1279 vector<char>* vBuf = new vector <char>(200000, 0);
1280 fseek(file, -((long)(vBuf->size())), SEEK_END);
1281 size_t nBytes = fread(&vBuf->operator[](0), 1, vBuf->size(), file);
1283 file = fopen(pathLog.string().c_str(), "w");
1286 fwrite(&vBuf->operator[](0), 1, nBytes, file);
1291 catch (const bad_alloc& e) {
1292 // Bad things happen - no free memory in heap at program startup
1294 printf("Warning: %s in %s:%d\n ShrinkDebugFile failed - debug.log expands further", e.what(), __FILE__, __LINE__);
1307 // "Never go to sea with two chronometers; take one or three."
1308 // Our three time sources are:
1310 // - Median of other nodes clocks
1311 // - The user (asking the user to fix the system clock if the first two disagree)
1317 int64_t now = time(NULL);
1322 // Trusted NTP offset or median of NTP samples.
1323 extern int64_t nNtpOffset;
1325 // Median of time samples given by other nodes.
1326 static int64_t nNodesOffset = INT64_MAX;
1328 // Select time offset:
1329 int64_t GetTimeOffset()
1331 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1332 if (abs64(nNtpOffset) < 40 * 60)
1335 // If not, then choose between median peer time and system clock.
1336 if (abs64(nNodesOffset) < 70 * 60)
1337 return nNodesOffset;
1342 int64_t GetNodesOffset()
1344 return nNodesOffset;
1347 int64_t GetAdjustedTime()
1349 return GetTime() + GetTimeOffset();
1352 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1354 int64_t nOffsetSample = nTime - GetTime();
1356 // Ignore duplicates
1357 static set<CNetAddr> setKnown;
1358 if (!setKnown.insert(ip).second)
1362 vTimeOffsets.input(nOffsetSample);
1363 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1364 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1366 int64_t nMedian = vTimeOffsets.median();
1367 std::vector<int64_t> vSorted = vTimeOffsets.sorted();
1368 // Only let other nodes change our time by so much
1369 if (abs64(nMedian) < 70 * 60)
1371 nNodesOffset = nMedian;
1375 nNodesOffset = INT64_MAX;
1380 bool fMatch = false;
1382 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1383 for(int64_t nOffset : vSorted)
1384 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1390 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1391 strMiscWarning = strMessage;
1392 printf("*** %s\n", strMessage.c_str());
1393 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1398 for(int64_t n : vSorted)
1399 printf("%+" PRId64 " ", n);
1402 if (nNodesOffset != INT64_MAX)
1403 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1407 string FormatVersion(int nVersion)
1409 if (nVersion%100 == 0)
1410 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1412 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1415 string FormatFullVersion()
1417 return CLIENT_BUILD;
1420 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1421 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1423 std::ostringstream ss;
1425 ss << name << ":" << FormatVersion(nClientVersion);
1426 if (!comments.empty())
1427 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1433 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1435 namespace fs = boost::filesystem;
1437 char pszPath[MAX_PATH] = "";
1439 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1441 return fs::path(pszPath);
1444 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1445 return fs::path("");
1449 void runCommand(std::string strCommand)
1451 int nErr = ::system(strCommand.c_str());
1453 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1456 void RenameThread(const char* name)
1458 #if defined(PR_SET_NAME)
1459 // Only the first 15 characters are used (16 - NUL terminator)
1460 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1461 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1462 // TODO: This is currently disabled because it needs to be verified to work
1463 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1465 pthread_set_name_np(pthread_self(), name);
1467 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1468 // #elif defined(MAC_OSX)
1469 // pthread_setname_np(name);
1472 // Prevent warnings for unused parameters...
1477 bool NewThread(void(*pfn)(void*), void* parg)
1481 boost::thread(pfn, parg); // thread detaches when out of scope
1482 } catch(boost::thread_resource_error &e) {
1483 printf("Error creating thread: %s\n", e.what());
1489 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1491 // std::locale takes ownership of the pointer
1492 std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
1493 std::stringstream ss;
1495 ss << boost::posix_time::from_time_t(nTime);