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/foreach.hpp>
31 #include <boost/thread.hpp>
32 #include <openssl/crypto.h>
33 #include <openssl/rand.h>
34 #include <openssl/conf.h>
38 #pragma warning(disable:4786)
39 #pragma warning(disable:4804)
40 #pragma warning(disable:4805)
41 #pragma warning(disable:4717)
46 #define _WIN32_WINNT 0x0501
50 #define _WIN32_IE 0x0501
51 #define WIN32_LEAN_AND_MEAN 1
55 #include <io.h> /* for _commit */
57 #elif defined(__linux__)
58 # include <sys/prctl.h>
61 #if !defined(WIN32) && !defined(ANDROID)
67 namespace bt = boost::posix_time;
69 map<string, string> mapArgs;
70 map<string, vector<string> > mapMultiArgs;
72 bool fDebugNet = false;
73 bool fPrintToConsole = false;
74 bool fPrintToDebugger = false;
75 bool fRequestShutdown = false;
76 bool fShutdown = false;
79 bool fCommandLine = false;
80 string strMiscWarning;
81 bool fTestNet = false;
82 bool fNoListen = false;
83 bool fLogTimestamps = false;
84 CMedianFilter<int64_t> vTimeOffsets(200,0);
85 bool fReopenDebugLog = false;
87 // Extended DecodeDumpTime implementation, see this page for details:
88 // http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost
89 const std::locale formats[] = {
90 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%dT%H:%M:%SZ")),
91 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d %H:%M:%S")),
92 std::locale(std::locale::classic(),new bt::time_input_facet("%Y/%m/%d %H:%M:%S")),
93 std::locale(std::locale::classic(),new bt::time_input_facet("%d.%m.%Y %H:%M:%S")),
94 std::locale(std::locale::classic(),new bt::time_input_facet("%Y-%m-%d"))
97 const size_t formats_n = sizeof(formats)/sizeof(formats[0]);
99 std::time_t pt_to_time_t(const bt::ptime& pt)
101 bt::ptime timet_start(boost::gregorian::date(1970,1,1));
102 bt::time_duration diff = pt - timet_start;
103 return diff.ticks()/bt::time_duration::rep_type::ticks_per_second;
106 // Init OpenSSL library multithreading support
107 static CCriticalSection** ppmutexOpenSSL;
108 void locking_callback(int mode, int i, const char* file, int line)
110 if (mode & CRYPTO_LOCK) {
111 ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
113 LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
117 LockedPageManager LockedPageManager::instance;
125 // Init OpenSSL library multithreading support
126 ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
127 for (int i = 0; i < CRYPTO_num_locks(); i++)
128 ppmutexOpenSSL[i] = new CCriticalSection();
129 CRYPTO_set_locking_callback(locking_callback);
131 // OpenSSL can optionally load a config file which lists optional loadable modules and engines.
132 // We don't use them so we don't require the config. However some of our libs may call functions
133 // which attempt to load the config file, possibly resulting in an exit() or crash if it is missing
134 // or corrupt. Explicitly tell OpenSSL not to try to load the file. The result for our libs will be
135 // that the config appears to have been loaded and there are no modules/engines available.
139 // Seed random number generator with screen scrape and other hardware sources
143 // Seed random number generator with performance counter
148 // Shutdown OpenSSL library multithreading support
149 CRYPTO_set_locking_callback(NULL);
150 for (int i = 0; i < CRYPTO_num_locks(); i++)
151 delete ppmutexOpenSSL[i];
152 OPENSSL_free(ppmutexOpenSSL);
166 // Seed with CPU performance counter
167 int64_t nCounter = GetPerformanceCounter();
168 RAND_add(&nCounter, sizeof(nCounter), 1.5);
169 memset(&nCounter, 0, sizeof(nCounter));
172 void RandAddSeedPerfmon()
176 // This can take up to 2 seconds, so only do it every 10 minutes
177 static int64_t nLastPerfmon;
178 if (GetTime() < nLastPerfmon + 10 * 60)
180 nLastPerfmon = GetTime();
183 // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
184 // Seed with the entire set of perfmon data
185 unsigned char pdata[250000];
186 memset(pdata, 0, sizeof(pdata));
187 unsigned long nSize = sizeof(pdata);
188 long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
189 RegCloseKey(HKEY_PERFORMANCE_DATA);
190 if (ret == ERROR_SUCCESS)
192 RAND_add(pdata, nSize, nSize/100.0);
193 OPENSSL_cleanse(pdata, nSize);
194 printf("RandAddSeed() %lu bytes\n", nSize);
199 uint64_t GetRand(uint64_t nMax)
204 // The range of the random source must be a multiple of the modulus
205 // to give every possible output value an equal possibility
206 uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
209 RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
210 while (nRand >= nRange);
211 return (nRand % nMax);
214 int GetRandInt(int nMax)
216 return static_cast<int>(GetRand(nMax));
219 uint256 GetRandHash()
222 RAND_bytes((unsigned char*)&hash, sizeof(hash));
231 static FILE* fileout = NULL;
233 inline int OutputDebugStringF(const char* pszFormat, ...)
240 va_start(arg_ptr, pszFormat);
241 ret = vprintf(pszFormat, arg_ptr);
244 else if (!fPrintToDebugger)
246 // print to debug.log
250 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
251 fileout = fopen(pathDebug.string().c_str(), "a");
252 if (fileout) setbuf(fileout, NULL); // unbuffered
256 static bool fStartedNewLine = true;
258 // This routine may be called by global destructors during shutdown.
259 // Since the order of destruction of static/global objects is undefined,
260 // allocate mutexDebugLog on the heap the first time this routine
261 // is called to avoid crashes during shutdown.
262 static boost::mutex* mutexDebugLog = NULL;
263 if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
264 boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
266 // reopen the log file, if requested
267 if (fReopenDebugLog) {
268 fReopenDebugLog = false;
269 boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
270 if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
271 setbuf(fileout, NULL); // unbuffered
274 // Debug print useful for profiling
275 if (fLogTimestamps && fStartedNewLine)
276 fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
277 if (pszFormat[strlen(pszFormat) - 1] == '\n')
278 fStartedNewLine = true;
280 fStartedNewLine = false;
283 va_start(arg_ptr, pszFormat);
284 ret = vfprintf(fileout, pszFormat, arg_ptr);
290 if (fPrintToDebugger)
292 static CCriticalSection cs_OutputDebugStringF;
294 // accumulate and output a line at a time
296 LOCK(cs_OutputDebugStringF);
297 static std::string buffer;
300 va_start(arg_ptr, pszFormat);
301 buffer += vstrprintf(pszFormat, arg_ptr);
304 size_t line_start = 0, line_end;
305 while((line_end = buffer.find('\n', line_start)) != -1)
307 OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
308 line_start = line_end + 1;
310 buffer.erase(0, line_start);
317 string vstrprintf(const char *format, va_list ap)
321 int limit = sizeof(buffer);
327 va_copy(arg_ptr, ap);
329 va_list arg_ptr = ap;
332 ret = _vsnprintf(p, limit, format, arg_ptr);
334 ret = vsnprintf(p, limit, format, arg_ptr);
337 if (ret >= 0 && ret < limit)
342 p = new(nothrow) char[limit];
344 throw std::bad_alloc();
346 string str(p, p+ret);
352 string real_strprintf(const char *format, int dummy, ...)
355 va_start(arg_ptr, dummy);
356 string str = vstrprintf(format, arg_ptr);
361 string real_strprintf(const std::string &format, int dummy, ...)
364 va_start(arg_ptr, dummy);
365 string str = vstrprintf(format.c_str(), arg_ptr);
370 bool error(const char *format, ...)
373 va_start(arg_ptr, format);
374 std::string str = vstrprintf(format, arg_ptr);
376 printf("ERROR: %s\n", str.c_str());
381 void ParseString(const string& str, char c, vector<string>& v)
385 string::size_type i1 = 0;
386 string::size_type i2;
389 i2 = str.find(c, i1);
392 v.push_back(str.substr(i1));
395 v.push_back(str.substr(i1, i2-i1));
401 string FormatMoney(int64_t n, bool fPlus)
403 // Note: not using straight sprintf here because we do NOT want
404 // localized number formatting.
405 int64_t n_abs = (n > 0 ? n : -n);
406 int64_t quotient = n_abs/COIN;
407 int64_t remainder = n_abs%COIN;
408 string str = strprintf("%" PRId64 ".%06" PRId64, quotient, remainder);
410 // Right-trim excess zeros before the decimal point:
412 for (size_t i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
415 str.erase(str.size()-nTrim, nTrim);
418 str.insert(0u, 1, '-');
419 else if (fPlus && n > 0)
420 str.insert(0u, 1, '+');
425 bool ParseMoney(const string& str, int64_t& nRet)
427 return ParseMoney(str.c_str(), nRet);
430 bool ParseMoney(const char* pszIn, int64_t& nRet)
434 const char* p = pszIn;
442 int64_t nMult = CENT*10;
443 while (isdigit(*p) && (nMult > 0))
445 nUnits += nMult * (*p++ - '0');
454 strWhole.insert(strWhole.end(), *p);
459 if (strWhole.size() > 10) // guard against 63 bit overflow
461 if (nUnits < 0 || nUnits > COIN)
463 int64_t nWhole = atoi64(strWhole);
464 int64_t nValue = nWhole*COIN + nUnits;
471 static const signed char phexdigit[256] =
472 { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
473 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
474 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
475 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
476 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
477 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
478 -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
479 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
480 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
481 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
482 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
483 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
484 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
485 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
486 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
487 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
489 bool IsHex(const string& str)
491 BOOST_FOREACH(unsigned char c, str)
493 if (phexdigit[c] < 0)
496 return (str.size() > 0) && (str.size()%2 == 0);
499 vector<unsigned char> ParseHex(const char* psz)
501 // convert hex dump to vector
502 vector<unsigned char> vch;
505 while (isspace(*psz))
507 signed char c = phexdigit[(unsigned char)*psz++];
508 if (c == (signed char)-1)
510 unsigned char n = (c << 4);
511 c = phexdigit[(unsigned char)*psz++];
512 if (c == (signed char)-1)
520 vector<unsigned char> ParseHex(const string& str)
522 return ParseHex(str.c_str());
525 static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
527 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
528 if (name.find("-no") == 0)
530 std::string positive("-");
531 positive.append(name.begin()+3, name.end());
532 if (mapSettingsRet.count(positive) == 0)
534 bool value = !GetBoolArg(name);
535 mapSettingsRet[positive] = (value ? "1" : "0");
540 void ParseParameters(int argc, const char* const argv[])
543 mapMultiArgs.clear();
544 for (int i = 1; i < argc; i++)
546 std::string str(argv[i]);
547 std::string strValue;
548 size_t is_index = str.find('=');
549 if (is_index != std::string::npos)
551 strValue = str.substr(is_index+1);
552 str = str.substr(0, is_index);
555 boost::to_lower(str);
556 if (boost::algorithm::starts_with(str, "/"))
557 str = "-" + str.substr(1);
562 mapArgs[str] = strValue;
563 mapMultiArgs[str].push_back(strValue);
567 BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
569 string name = entry.first;
571 // interpret --foo as -foo (as long as both are not set)
572 if (name.find("--") == 0)
574 std::string singleDash(name.begin()+1, name.end());
575 if (mapArgs.count(singleDash) == 0)
576 mapArgs[singleDash] = entry.second;
580 // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
581 InterpretNegativeSetting(name, mapArgs);
585 std::string GetArg(const std::string& strArg, const std::string& strDefault)
587 if (mapArgs.count(strArg))
588 return mapArgs[strArg];
592 int64_t GetArg(const std::string& strArg, int64_t nDefault)
594 if (mapArgs.count(strArg))
595 return atoi64(mapArgs[strArg]);
599 int32_t GetArgInt(const std::string& strArg, int32_t nDefault)
601 if (mapArgs.count(strArg))
602 return strtol(mapArgs[strArg]);
606 uint32_t GetArgUInt(const std::string& strArg, uint32_t nDefault)
608 if (mapArgs.count(strArg))
609 return strtoul(mapArgs[strArg]);
613 bool GetBoolArg(const std::string& strArg, bool fDefault)
615 if (mapArgs.count(strArg))
617 if (mapArgs[strArg].empty())
619 return (atoi(mapArgs[strArg]) != 0);
624 bool SoftSetArg(const std::string& strArg, const std::string& strValue)
626 if (mapArgs.count(strArg) || mapMultiArgs.count(strArg))
628 mapArgs[strArg] = strValue;
629 mapMultiArgs[strArg].push_back(strValue);
634 bool SoftSetBoolArg(const std::string& strArg, bool fValue)
637 return SoftSetArg(strArg, std::string("1"));
639 return SoftSetArg(strArg, std::string("0"));
643 string EncodeBase64(const unsigned char* pch, size_t len)
645 static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
648 strRet.reserve((len+2)/3*4);
651 const unsigned char *pchEnd = pch+len;
658 case 0: // we have no bits
659 strRet += pbase64[enc >> 2];
660 left = (enc & 3) << 4;
664 case 1: // we have two bits
665 strRet += pbase64[left | (enc >> 4)];
666 left = (enc & 15) << 2;
670 case 2: // we have four bits
671 strRet += pbase64[left | (enc >> 6)];
672 strRet += pbase64[enc & 63];
680 strRet += pbase64[left];
689 string EncodeBase64(const string& str)
691 return EncodeBase64((const unsigned char*)str.c_str(), str.size());
694 vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
696 static const int decode64_table[256] =
698 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
699 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
700 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
701 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
702 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
703 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
704 49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
705 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
706 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
707 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
708 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
709 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
710 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
716 vector<unsigned char> vchRet;
717 vchRet.reserve(strlen(p)*3/4);
724 int dec = decode64_table[(unsigned char)*p];
725 if (dec == -1) break;
729 case 0: // we have no bits and get 6
734 case 1: // we have 6 bits and keep 4
735 vchRet.push_back((left<<2) | (dec>>4));
740 case 2: // we have 4 bits and get 6, we keep 2
741 vchRet.push_back((left<<4) | (dec>>2));
746 case 3: // we have 2 bits and get 6
747 vchRet.push_back((left<<6) | dec);
756 case 0: // 4n base64 characters processed: ok
759 case 1: // 4n+1 base64 character processed: impossible
763 case 2: // 4n+2 base64 characters processed: require '=='
764 if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
768 case 3: // 4n+3 base64 characters processed: require '='
769 if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
777 string DecodeBase64(const string& str)
779 vector<unsigned char> vchRet = DecodeBase64(str.c_str());
780 return string((const char*)&vchRet[0], vchRet.size());
783 string EncodeBase32(const unsigned char* pch, size_t len)
785 static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
788 strRet.reserve((len+4)/5*8);
791 const unsigned char *pchEnd = pch+len;
798 case 0: // we have no bits
799 strRet += pbase32[enc >> 3];
800 left = (enc & 7) << 2;
804 case 1: // we have three bits
805 strRet += pbase32[left | (enc >> 6)];
806 strRet += pbase32[(enc >> 1) & 31];
807 left = (enc & 1) << 4;
811 case 2: // we have one bit
812 strRet += pbase32[left | (enc >> 4)];
813 left = (enc & 15) << 1;
817 case 3: // we have four bits
818 strRet += pbase32[left | (enc >> 7)];
819 strRet += pbase32[(enc >> 2) & 31];
820 left = (enc & 3) << 3;
824 case 4: // we have two bits
825 strRet += pbase32[left | (enc >> 5)];
826 strRet += pbase32[enc & 31];
831 static const int nPadding[5] = {0, 6, 4, 3, 1};
834 strRet += pbase32[left];
835 for (int n=0; n<nPadding[mode]; n++)
842 string EncodeBase32(const string& str)
844 return EncodeBase32((const unsigned char*)str.c_str(), str.size());
847 vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
849 static const int decode32_table[256] =
851 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
852 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
853 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
854 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
855 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
856 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
857 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
858 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
859 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
860 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
861 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
862 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
863 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
869 vector<unsigned char> vchRet;
870 vchRet.reserve((strlen(p))*5/8);
877 int dec = decode32_table[(unsigned char)*p];
878 if (dec == -1) break;
882 case 0: // we have no bits and get 5
887 case 1: // we have 5 bits and keep 2
888 vchRet.push_back((left<<3) | (dec>>2));
893 case 2: // we have 2 bits and keep 7
894 left = left << 5 | dec;
898 case 3: // we have 7 bits and keep 4
899 vchRet.push_back((left<<1) | (dec>>4));
904 case 4: // we have 4 bits, and keep 1
905 vchRet.push_back((left<<4) | (dec>>1));
910 case 5: // we have 1 bit, and keep 6
911 left = left << 5 | dec;
915 case 6: // we have 6 bits, and keep 3
916 vchRet.push_back((left<<2) | (dec>>3));
921 case 7: // we have 3 bits, and keep 0
922 vchRet.push_back((left<<5) | dec);
931 case 0: // 8n base32 characters processed: ok
934 case 1: // 8n+1 base32 characters processed: impossible
940 case 2: // 8n+2 base32 characters processed: require '======'
941 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
945 case 4: // 8n+4 base32 characters processed: require '===='
946 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
950 case 5: // 8n+5 base32 characters processed: require '==='
951 if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
955 case 7: // 8n+7 base32 characters processed: require '='
956 if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
964 string DecodeBase32(const string& str)
966 vector<unsigned char> vchRet = DecodeBase32(str.c_str());
967 return string((const char*)&vchRet[0], vchRet.size());
971 int64_t DecodeDumpTime(const std::string& s)
975 for(size_t i=0; i<formats_n; ++i)
977 std::istringstream is(s);
978 is.imbue(formats[i]);
980 if(pt != bt::ptime()) break;
983 return pt_to_time_t(pt);
986 std::string EncodeDumpTime(int64_t nTime) {
987 return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
990 std::string EncodeDumpString(const std::string &str) {
991 std::stringstream ret;
992 BOOST_FOREACH(unsigned char c, str) {
993 if (c <= 32 || c >= 128 || c == '%') {
994 ret << '%' << HexStr(&c, &c + 1);
1002 std::string DecodeDumpString(const std::string &str) {
1003 std::stringstream ret;
1004 for (unsigned int pos = 0; pos < str.length(); pos++) {
1005 unsigned char c = str[pos];
1006 if (c == '%' && pos+2 < str.length()) {
1007 c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
1008 ((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
1016 bool WildcardMatch(const char* psz, const char* mask)
1023 return (*psz == '\0');
1025 return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
1040 bool WildcardMatch(const string& str, const string& mask)
1042 return WildcardMatch(str.c_str(), mask.c_str());
1052 static std::string FormatException(std::exception* pex, const char* pszThread)
1055 char pszModule[MAX_PATH] = "";
1056 GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
1058 const char* pszModule = "novacoin";
1062 "EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
1065 "UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
1068 void LogException(std::exception* pex, const char* pszThread)
1070 std::string message = FormatException(pex, pszThread);
1071 printf("\n%s", message.c_str());
1074 void PrintException(std::exception* pex, const char* pszThread)
1076 std::string message = FormatException(pex, pszThread);
1077 printf("\n\n************************\n%s\n", message.c_str());
1078 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1079 strMiscWarning = message;
1083 void LogStackTrace() {
1084 printf("\n\n******* exception encountered *******\n");
1087 #if !defined(WIN32) && !defined(ANDROID)
1088 void* pszBuffer[32];
1090 size = backtrace(pszBuffer, 32);
1091 backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
1096 void PrintExceptionContinue(std::exception* pex, const char* pszThread)
1098 std::string message = FormatException(pex, pszThread);
1099 printf("\n\n************************\n%s\n", message.c_str());
1100 fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
1101 strMiscWarning = message;
1104 boost::filesystem::path GetDefaultDataDir()
1106 namespace fs = boost::filesystem;
1107 // Windows < Vista: C:\Documents and Settings\Username\Application Data\NovaCoin
1108 // Windows >= Vista: C:\Users\Username\AppData\Roaming\NovaCoin
1109 // Mac: ~/Library/Application Support/NovaCoin
1110 // Unix: ~/.novacoin
1113 return GetSpecialFolderPath(CSIDL_APPDATA) / "NovaCoin";
1116 char* pszHome = getenv("HOME");
1117 if (pszHome == NULL || strlen(pszHome) == 0)
1118 pathRet = fs::path("/");
1120 pathRet = fs::path(pszHome);
1123 pathRet /= "Library/Application Support";
1124 fs::create_directory(pathRet);
1125 return pathRet / "NovaCoin";
1128 return pathRet / ".novacoin";
1133 const boost::filesystem::path &GetDataDir(bool fNetSpecific)
1135 namespace fs = boost::filesystem;
1137 static fs::path pathCached[2];
1138 static CCriticalSection csPathCached;
1139 static bool cachedPath[2] = {false, false};
1141 fs::path &path = pathCached[fNetSpecific];
1143 // This can be called during exceptions by printf, so we cache the
1144 // value so we don't have to do memory allocations after that.
1145 if (cachedPath[fNetSpecific])
1150 if (mapArgs.count("-datadir")) {
1151 path = fs::system_complete(mapArgs["-datadir"]);
1152 if (!fs::is_directory(path)) {
1157 path = GetDefaultDataDir();
1159 if (fNetSpecific && GetBoolArg("-testnet", false))
1162 fs::create_directory(path);
1164 cachedPath[fNetSpecific]=true;
1168 string randomStrGen(int length) {
1169 static string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
1171 result.resize(length);
1172 for (int32_t i = 0; i < length; i++)
1173 result[i] = charset[rand() % charset.length()];
1180 srand(static_cast<unsigned int>(time(NULL)));
1183 #if BOOST_FILESYSTEM_VERSION >= 3
1184 pConf.open(GetConfigFile().generic_string().c_str());
1186 pConf.open(GetConfigFile().string().c_str());
1188 pConf << "rpcuser=user\nrpcpassword="
1191 + "\n#(0=off, 1=on) daemon - run in the background as a daemon and accept commands"
1193 + "\n#(0=off, 1=on) server - accept command line and JSON-RPC commands"
1195 + "\nrpcallowip=127.0.0.1";
1199 boost::filesystem::path GetConfigFile()
1201 boost::filesystem::path pathConfigFile(GetArg("-conf", "novacoin.conf"));
1202 if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
1203 return pathConfigFile;
1206 void ReadConfigFile(map<string, string>& mapSettingsRet,
1207 map<string, vector<string> >& mapMultiSettingsRet)
1209 boost::filesystem::ifstream streamConfig(GetConfigFile());
1210 if (!streamConfig.good())
1213 new(&streamConfig) boost::filesystem::ifstream(GetConfigFile());
1214 if(!streamConfig.good())
1218 set<string> setOptions;
1219 setOptions.insert("*");
1221 for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
1223 // Don't overwrite existing settings so command line settings override bitcoin.conf
1224 string strKey = string("-") + it->string_key;
1225 if (mapSettingsRet.count(strKey) == 0)
1227 mapSettingsRet[strKey] = it->value[0];
1228 // interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
1229 InterpretNegativeSetting(strKey, mapSettingsRet);
1231 mapMultiSettingsRet[strKey].push_back(it->value[0]);
1235 boost::filesystem::path GetPidFile()
1237 boost::filesystem::path pathPidFile(GetArg("-pid", "novacoind.pid"));
1238 if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
1243 void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
1245 FILE* file = fopen(path.string().c_str(), "w");
1248 fprintf(file, "%d\n", pid);
1254 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
1257 return MoveFileExA(src.string().c_str(), dest.string().c_str(),
1258 MOVEFILE_REPLACE_EXISTING) != 0;
1260 int rc = std::rename(src.string().c_str(), dest.string().c_str());
1265 void FileCommit(FILE *fileout)
1267 fflush(fileout); // harmless if redundantly called
1269 _commit(_fileno(fileout));
1271 fsync(fileno(fileout));
1275 int GetFilesize(FILE* file)
1277 int nSavePos = ftell(file);
1279 if (fseek(file, 0, SEEK_END) == 0)
1280 nFilesize = ftell(file);
1281 fseek(file, nSavePos, SEEK_SET);
1285 void ShrinkDebugFile()
1287 // Scroll debug.log if it's getting too big
1288 boost::filesystem::path pathLog = GetDataDir() / "debug.log";
1289 FILE* file = fopen(pathLog.string().c_str(), "r");
1290 if (file && GetFilesize(file) > 10 * 1000000)
1292 // Restart the file with some of the end
1294 fseek(file, -((long long)sizeof(pch)), SEEK_END);
1295 size_t nBytes = fread(pch, 1, sizeof(pch), file);
1298 file = fopen(pathLog.string().c_str(), "w");
1301 fwrite(pch, 1, nBytes, file);
1315 // "Never go to sea with two chronometers; take one or three."
1316 // Our three time sources are:
1318 // - Median of other nodes clocks
1319 // - The user (asking the user to fix the system clock if the first two disagree)
1328 // Trusted NTP offset or median of NTP samples.
1329 extern int64_t nNtpOffset;
1331 // Median of time samples given by other nodes.
1332 static int64_t nNodesOffset = INT64_MAX;
1334 // Select time offset:
1335 int64_t GetTimeOffset()
1337 // If NTP and system clock are in agreement within 40 minutes, then use NTP.
1338 if (abs64(nNtpOffset) < 40 * 60)
1341 // If not, then choose between median peer time and system clock.
1342 if (abs64(nNodesOffset) < 70 * 60)
1343 return nNodesOffset;
1348 int64_t GetNodesOffset()
1350 return nNodesOffset;
1353 int64_t GetAdjustedTime()
1355 return GetTime() + GetTimeOffset();
1358 void AddTimeData(const CNetAddr& ip, int64_t nTime)
1360 int64_t nOffsetSample = nTime - GetTime();
1362 // Ignore duplicates
1363 static set<CNetAddr> setKnown;
1364 if (!setKnown.insert(ip).second)
1368 vTimeOffsets.input(nOffsetSample);
1369 printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
1370 if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
1372 int64_t nMedian = vTimeOffsets.median();
1373 std::vector<int64_t> vSorted = vTimeOffsets.sorted();
1374 // Only let other nodes change our time by so much
1375 if (abs64(nMedian) < 70 * 60)
1377 nNodesOffset = nMedian;
1381 nNodesOffset = INT64_MAX;
1386 bool fMatch = false;
1388 // If nobody has a time different than ours but within 5 minutes of ours, give a warning
1389 BOOST_FOREACH(int64_t nOffset, vSorted)
1390 if (nOffset != 0 && abs64(nOffset) < 5 * 60)
1396 string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
1397 strMiscWarning = strMessage;
1398 printf("*** %s\n", strMessage.c_str());
1399 uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
1404 BOOST_FOREACH(int64_t n, vSorted)
1405 printf("%+" PRId64 " ", n);
1408 if (nNodesOffset != INT64_MAX)
1409 printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60);
1413 string FormatVersion(int nVersion)
1415 if (nVersion%100 == 0)
1416 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
1418 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
1421 string FormatFullVersion()
1423 return CLIENT_BUILD;
1426 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
1427 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
1429 std::ostringstream ss;
1431 ss << name << ":" << FormatVersion(nClientVersion);
1432 if (!comments.empty())
1433 ss << "(" << boost::algorithm::join(comments, "; ") << ")";
1439 boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
1441 namespace fs = boost::filesystem;
1443 char pszPath[MAX_PATH] = "";
1445 if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
1447 return fs::path(pszPath);
1450 printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
1451 return fs::path("");
1455 void runCommand(std::string strCommand)
1457 int nErr = ::system(strCommand.c_str());
1459 printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
1462 void RenameThread(const char* name)
1464 #if defined(PR_SET_NAME)
1465 // Only the first 15 characters are used (16 - NUL terminator)
1466 ::prctl(PR_SET_NAME, name, 0, 0, 0);
1467 #elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
1468 // TODO: This is currently disabled because it needs to be verified to work
1469 // on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
1471 pthread_set_name_np(pthread_self(), name);
1473 // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
1474 // #elif defined(MAC_OSX)
1475 // pthread_setname_np(name);
1478 // Prevent warnings for unused parameters...
1483 bool NewThread(void(*pfn)(void*), void* parg)
1487 boost::thread(pfn, parg); // thread detaches when out of scope
1488 } catch(boost::thread_resource_error &e) {
1489 printf("Error creating thread: %s\n", e.what());
1495 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
1497 // std::locale takes ownership of the pointer
1498 std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
1499 std::stringstream ss;
1501 ss << boost::posix_time::from_time_t(nTime);