1496 lines
42 KiB
C++
1496 lines
42 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "util.h"
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#include "chainparams.h"
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#include "netbase.h"
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#include "sync.h"
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#include "ui_interface.h"
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#include "uint256.h"
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#include "version.h"
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#include <stdarg.h>
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#ifndef WIN32
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// for posix_fallocate
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#ifdef __linux_
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#ifdef _POSIX_C_SOURCE
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#undef _POSIX_C_SOURCE
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#endif
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#define _POSIX_C_SOURCE 200112L
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#include <sys/prctl.h>
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#endif
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#include <algorithm>
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#include <fcntl.h>
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#include <sys/resource.h>
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#include <sys/stat.h>
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#else
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#ifdef _MSC_VER
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#pragma warning(disable:4786)
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#pragma warning(disable:4804)
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#pragma warning(disable:4805)
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#pragma warning(disable:4717)
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#endif
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#ifdef _WIN32_WINNT
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#undef _WIN32_WINNT
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#endif
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#define _WIN32_WINNT 0x0501
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#ifdef _WIN32_IE
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#undef _WIN32_IE
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#endif
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#define _WIN32_IE 0x0501
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#define WIN32_LEAN_AND_MEAN 1
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#include <io.h> /* for _commit */
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#include <shlobj.h>
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#endif
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#include <boost/algorithm/string/case_conv.hpp> // for to_lower()
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#include <boost/algorithm/string/join.hpp>
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#include <boost/algorithm/string/predicate.hpp> // for startswith() and endswith()
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#include <boost/filesystem.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <boost/foreach.hpp>
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#include <boost/program_options/detail/config_file.hpp>
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#include <boost/program_options/parsers.hpp>
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#include <openssl/crypto.h>
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#include <openssl/rand.h>
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// Work around clang compilation problem in Boost 1.46:
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// /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
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// See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options
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// http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION
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namespace boost {
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namespace program_options {
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std::string to_internal(const std::string&);
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}
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}
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using namespace std;
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map<string, string> mapArgs;
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map<string, vector<string> > mapMultiArgs;
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bool fDebug = false;
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bool fPrintToConsole = false;
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bool fPrintToDebugLog = true;
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bool fDaemon = false;
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bool fServer = false;
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string strMiscWarning;
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bool fNoListen = false;
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bool fLogTimestamps = false;
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volatile bool fReopenDebugLog = false;
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CClientUIInterface uiInterface;
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// Init OpenSSL library multithreading support
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static CCriticalSection** ppmutexOpenSSL;
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void locking_callback(int mode, int i, const char* file, int line)
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{
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if (mode & CRYPTO_LOCK) {
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ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
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} else {
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LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
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}
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}
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// Init
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class CInit
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{
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public:
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CInit()
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{
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// Init OpenSSL library multithreading support
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ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
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for (int i = 0; i < CRYPTO_num_locks(); i++)
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ppmutexOpenSSL[i] = new CCriticalSection();
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CRYPTO_set_locking_callback(locking_callback);
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#ifdef WIN32
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// Seed random number generator with screen scrape and other hardware sources
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RAND_screen();
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#endif
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// Seed random number generator with performance counter
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RandAddSeed();
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}
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~CInit()
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{
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// Shutdown OpenSSL library multithreading support
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CRYPTO_set_locking_callback(NULL);
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for (int i = 0; i < CRYPTO_num_locks(); i++)
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delete ppmutexOpenSSL[i];
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OPENSSL_free(ppmutexOpenSSL);
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}
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}
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instance_of_cinit;
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void RandAddSeed()
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{
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// Seed with CPU performance counter
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int64_t nCounter = GetPerformanceCounter();
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RAND_add(&nCounter, sizeof(nCounter), 1.5);
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memset(&nCounter, 0, sizeof(nCounter));
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}
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void RandAddSeedPerfmon()
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{
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RandAddSeed();
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// This can take up to 2 seconds, so only do it every 10 minutes
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static int64_t nLastPerfmon;
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if (GetTime() < nLastPerfmon + 10 * 60)
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return;
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nLastPerfmon = GetTime();
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#ifdef WIN32
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// Don't need this on Linux, OpenSSL automatically uses /dev/urandom
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// Seed with the entire set of perfmon data
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unsigned char pdata[250000];
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memset(pdata, 0, sizeof(pdata));
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unsigned long nSize = sizeof(pdata);
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long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
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RegCloseKey(HKEY_PERFORMANCE_DATA);
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if (ret == ERROR_SUCCESS)
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{
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RAND_add(pdata, nSize, nSize/100.0);
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OPENSSL_cleanse(pdata, nSize);
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LogPrint("rand", "RandAddSeed() %lu bytes\n", nSize);
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}
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#endif
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}
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uint64_t GetRand(uint64_t nMax)
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{
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if (nMax == 0)
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return 0;
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// The range of the random source must be a multiple of the modulus
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// to give every possible output value an equal possibility
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uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
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uint64_t nRand = 0;
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do
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RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
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while (nRand >= nRange);
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return (nRand % nMax);
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}
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int GetRandInt(int nMax)
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{
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return GetRand(nMax);
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}
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uint256 GetRandHash()
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{
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uint256 hash;
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RAND_bytes((unsigned char*)&hash, sizeof(hash));
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return hash;
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}
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// LogPrintf() has been broken a couple of times now
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// by well-meaning people adding mutexes in the most straightforward way.
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// It breaks because it may be called by global destructors during shutdown.
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// Since the order of destruction of static/global objects is undefined,
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// defining a mutex as a global object doesn't work (the mutex gets
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// destroyed, and then some later destructor calls OutputDebugStringF,
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// maybe indirectly, and you get a core dump at shutdown trying to lock
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// the mutex).
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static boost::once_flag debugPrintInitFlag = BOOST_ONCE_INIT;
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// We use boost::call_once() to make sure these are initialized in
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// in a thread-safe manner the first time it is called:
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static FILE* fileout = NULL;
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static boost::mutex* mutexDebugLog = NULL;
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static void DebugPrintInit()
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{
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assert(fileout == NULL);
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assert(mutexDebugLog == NULL);
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boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
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fileout = fopen(pathDebug.string().c_str(), "a");
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if (fileout) setbuf(fileout, NULL); // unbuffered
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mutexDebugLog = new boost::mutex();
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}
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int LogPrint(const char* category, const char* pszFormat, ...)
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{
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if (category != NULL)
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{
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if (!fDebug)
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return 0;
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// Give each thread quick access to -debug settings.
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// This helps prevent issues debugging global destructors,
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// where mapMultiArgs might be deleted before another
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// global destructor calls LogPrint()
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static boost::thread_specific_ptr<set<string> > ptrCategory;
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if (ptrCategory.get() == NULL)
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{
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const vector<string>& categories = mapMultiArgs["-debug"];
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ptrCategory.reset(new set<string>(categories.begin(), categories.end()));
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// thread_specific_ptr automatically deletes the set when the thread ends.
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}
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const set<string>& setCategories = *ptrCategory.get();
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// if not debugging everything and not debugging specific category, LogPrint does nothing.
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if (setCategories.count(string("")) == 0 &&
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setCategories.count(string(category)) == 0)
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return 0;
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}
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int ret = 0; // Returns total number of characters written
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if (fPrintToConsole)
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{
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// print to console
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va_list arg_ptr;
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va_start(arg_ptr, pszFormat);
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ret += vprintf(pszFormat, arg_ptr);
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va_end(arg_ptr);
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}
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else if (fPrintToDebugLog)
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{
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static bool fStartedNewLine = true;
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boost::call_once(&DebugPrintInit, debugPrintInitFlag);
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if (fileout == NULL)
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return ret;
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boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);
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// reopen the log file, if requested
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if (fReopenDebugLog) {
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fReopenDebugLog = false;
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boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
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if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
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setbuf(fileout, NULL); // unbuffered
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}
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// Debug print useful for profiling
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if (fLogTimestamps && fStartedNewLine)
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ret += fprintf(fileout, "%s ", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()).c_str());
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if (pszFormat[strlen(pszFormat) - 1] == '\n')
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fStartedNewLine = true;
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else
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fStartedNewLine = false;
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va_list arg_ptr;
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va_start(arg_ptr, pszFormat);
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ret += vfprintf(fileout, pszFormat, arg_ptr);
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va_end(arg_ptr);
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}
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return ret;
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}
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string vstrprintf(const char *format, va_list ap)
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{
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char buffer[50000];
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char* p = buffer;
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int limit = sizeof(buffer);
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int ret;
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while (true)
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{
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va_list arg_ptr;
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va_copy(arg_ptr, ap);
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ret = vsnprintf(p, limit, format, arg_ptr);
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va_end(arg_ptr);
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if (ret >= 0 && ret < limit)
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break;
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if (p != buffer)
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delete[] p;
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limit *= 2;
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p = new char[limit];
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if (p == NULL)
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throw std::bad_alloc();
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}
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string str(p, p+ret);
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if (p != buffer)
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delete[] p;
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return str;
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}
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string real_strprintf(const char *format, int dummy, ...)
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{
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va_list arg_ptr;
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va_start(arg_ptr, dummy);
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string str = vstrprintf(format, arg_ptr);
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va_end(arg_ptr);
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return str;
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}
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string real_strprintf(const std::string &format, int dummy, ...)
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{
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va_list arg_ptr;
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va_start(arg_ptr, dummy);
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string str = vstrprintf(format.c_str(), arg_ptr);
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va_end(arg_ptr);
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return str;
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}
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bool error(const char *format, ...)
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{
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va_list arg_ptr;
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va_start(arg_ptr, format);
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std::string str = vstrprintf(format, arg_ptr);
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va_end(arg_ptr);
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LogPrintf("ERROR: %s\n", str.c_str());
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return false;
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}
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void ParseString(const string& str, char c, vector<string>& v)
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{
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if (str.empty())
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return;
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string::size_type i1 = 0;
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string::size_type i2;
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while (true)
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{
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i2 = str.find(c, i1);
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if (i2 == str.npos)
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{
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v.push_back(str.substr(i1));
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return;
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}
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v.push_back(str.substr(i1, i2-i1));
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i1 = i2+1;
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}
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}
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string FormatMoney(int64_t n, bool fPlus)
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{
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// Note: not using straight sprintf here because we do NOT want
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// localized number formatting.
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int64_t n_abs = (n > 0 ? n : -n);
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int64_t quotient = n_abs/COIN;
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int64_t remainder = n_abs%COIN;
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string str = strprintf("%"PRId64".%08"PRId64, quotient, remainder);
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// Right-trim excess zeros before the decimal point:
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int nTrim = 0;
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for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
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++nTrim;
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if (nTrim)
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str.erase(str.size()-nTrim, nTrim);
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if (n < 0)
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str.insert((unsigned int)0, 1, '-');
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else if (fPlus && n > 0)
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str.insert((unsigned int)0, 1, '+');
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return str;
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}
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bool ParseMoney(const string& str, int64_t& nRet)
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{
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return ParseMoney(str.c_str(), nRet);
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}
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bool ParseMoney(const char* pszIn, int64_t& nRet)
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{
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string strWhole;
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int64_t nUnits = 0;
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const char* p = pszIn;
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while (isspace(*p))
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p++;
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for (; *p; p++)
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{
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if (*p == '.')
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{
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p++;
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int64_t nMult = CENT*10;
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while (isdigit(*p) && (nMult > 0))
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{
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nUnits += nMult * (*p++ - '0');
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nMult /= 10;
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}
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break;
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}
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if (isspace(*p))
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break;
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if (!isdigit(*p))
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return false;
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strWhole.insert(strWhole.end(), *p);
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}
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for (; *p; p++)
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if (!isspace(*p))
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return false;
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if (strWhole.size() > 10) // guard against 63 bit overflow
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return false;
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if (nUnits < 0 || nUnits > COIN)
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return false;
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int64_t nWhole = atoi64(strWhole);
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int64_t nValue = nWhole*COIN + nUnits;
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nRet = nValue;
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return true;
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}
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// safeChars chosen to allow simple messages/URLs/email addresses, but avoid anything
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// even possibly remotely dangerous like & or >
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static string safeChars("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890 .,;_/:?@");
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string SanitizeString(const string& str)
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{
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string strResult;
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for (std::string::size_type i = 0; i < str.size(); i++)
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{
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if (safeChars.find(str[i]) != std::string::npos)
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strResult.push_back(str[i]);
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}
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return strResult;
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}
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const signed char p_util_hexdigit[256] =
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{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
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-1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
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bool IsHex(const string& str)
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{
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BOOST_FOREACH(char c, str)
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{
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if (HexDigit(c) < 0)
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return false;
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}
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return (str.size() > 0) && (str.size()%2 == 0);
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}
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vector<unsigned char> ParseHex(const char* psz)
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{
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// convert hex dump to vector
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vector<unsigned char> vch;
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while (true)
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{
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while (isspace(*psz))
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psz++;
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signed char c = HexDigit(*psz++);
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if (c == (signed char)-1)
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break;
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unsigned char n = (c << 4);
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c = HexDigit(*psz++);
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if (c == (signed char)-1)
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break;
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n |= c;
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vch.push_back(n);
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}
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return vch;
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}
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|
|
vector<unsigned char> ParseHex(const string& str)
|
|
{
|
|
return ParseHex(str.c_str());
|
|
}
|
|
|
|
static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
|
|
{
|
|
// interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
|
|
if (name.find("-no") == 0)
|
|
{
|
|
std::string positive("-");
|
|
positive.append(name.begin()+3, name.end());
|
|
if (mapSettingsRet.count(positive) == 0)
|
|
{
|
|
bool value = !GetBoolArg(name, false);
|
|
mapSettingsRet[positive] = (value ? "1" : "0");
|
|
}
|
|
}
|
|
}
|
|
|
|
void ParseParameters(int argc, const char* const argv[])
|
|
{
|
|
mapArgs.clear();
|
|
mapMultiArgs.clear();
|
|
for (int i = 1; i < argc; i++)
|
|
{
|
|
std::string str(argv[i]);
|
|
std::string strValue;
|
|
size_t is_index = str.find('=');
|
|
if (is_index != std::string::npos)
|
|
{
|
|
strValue = str.substr(is_index+1);
|
|
str = str.substr(0, is_index);
|
|
}
|
|
#ifdef WIN32
|
|
boost::to_lower(str);
|
|
if (boost::algorithm::starts_with(str, "/"))
|
|
str = "-" + str.substr(1);
|
|
#endif
|
|
if (str[0] != '-')
|
|
break;
|
|
|
|
mapArgs[str] = strValue;
|
|
mapMultiArgs[str].push_back(strValue);
|
|
}
|
|
|
|
// New 0.6 features:
|
|
BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
|
|
{
|
|
string name = entry.first;
|
|
|
|
// interpret --foo as -foo (as long as both are not set)
|
|
if (name.find("--") == 0)
|
|
{
|
|
std::string singleDash(name.begin()+1, name.end());
|
|
if (mapArgs.count(singleDash) == 0)
|
|
mapArgs[singleDash] = entry.second;
|
|
name = singleDash;
|
|
}
|
|
|
|
// interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
|
|
InterpretNegativeSetting(name, mapArgs);
|
|
}
|
|
}
|
|
|
|
std::string GetArg(const std::string& strArg, const std::string& strDefault)
|
|
{
|
|
if (mapArgs.count(strArg))
|
|
return mapArgs[strArg];
|
|
return strDefault;
|
|
}
|
|
|
|
int64_t GetArg(const std::string& strArg, int64_t nDefault)
|
|
{
|
|
if (mapArgs.count(strArg))
|
|
return atoi64(mapArgs[strArg]);
|
|
return nDefault;
|
|
}
|
|
|
|
bool GetBoolArg(const std::string& strArg, bool fDefault)
|
|
{
|
|
if (mapArgs.count(strArg))
|
|
{
|
|
if (mapArgs[strArg].empty())
|
|
return true;
|
|
return (atoi(mapArgs[strArg]) != 0);
|
|
}
|
|
return fDefault;
|
|
}
|
|
|
|
bool SoftSetArg(const std::string& strArg, const std::string& strValue)
|
|
{
|
|
if (mapArgs.count(strArg))
|
|
return false;
|
|
mapArgs[strArg] = strValue;
|
|
return true;
|
|
}
|
|
|
|
bool SoftSetBoolArg(const std::string& strArg, bool fValue)
|
|
{
|
|
if (fValue)
|
|
return SoftSetArg(strArg, std::string("1"));
|
|
else
|
|
return SoftSetArg(strArg, std::string("0"));
|
|
}
|
|
|
|
|
|
string EncodeBase64(const unsigned char* pch, size_t len)
|
|
{
|
|
static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
|
|
string strRet="";
|
|
strRet.reserve((len+2)/3*4);
|
|
|
|
int mode=0, left=0;
|
|
const unsigned char *pchEnd = pch+len;
|
|
|
|
while (pch<pchEnd)
|
|
{
|
|
int enc = *(pch++);
|
|
switch (mode)
|
|
{
|
|
case 0: // we have no bits
|
|
strRet += pbase64[enc >> 2];
|
|
left = (enc & 3) << 4;
|
|
mode = 1;
|
|
break;
|
|
|
|
case 1: // we have two bits
|
|
strRet += pbase64[left | (enc >> 4)];
|
|
left = (enc & 15) << 2;
|
|
mode = 2;
|
|
break;
|
|
|
|
case 2: // we have four bits
|
|
strRet += pbase64[left | (enc >> 6)];
|
|
strRet += pbase64[enc & 63];
|
|
mode = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (mode)
|
|
{
|
|
strRet += pbase64[left];
|
|
strRet += '=';
|
|
if (mode == 1)
|
|
strRet += '=';
|
|
}
|
|
|
|
return strRet;
|
|
}
|
|
|
|
string EncodeBase64(const string& str)
|
|
{
|
|
return EncodeBase64((const unsigned char*)str.c_str(), str.size());
|
|
}
|
|
|
|
vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
|
|
{
|
|
static const int decode64_table[256] =
|
|
{
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
|
|
-1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
|
|
29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
|
|
49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
|
|
};
|
|
|
|
if (pfInvalid)
|
|
*pfInvalid = false;
|
|
|
|
vector<unsigned char> vchRet;
|
|
vchRet.reserve(strlen(p)*3/4);
|
|
|
|
int mode = 0;
|
|
int left = 0;
|
|
|
|
while (1)
|
|
{
|
|
int dec = decode64_table[(unsigned char)*p];
|
|
if (dec == -1) break;
|
|
p++;
|
|
switch (mode)
|
|
{
|
|
case 0: // we have no bits and get 6
|
|
left = dec;
|
|
mode = 1;
|
|
break;
|
|
|
|
case 1: // we have 6 bits and keep 4
|
|
vchRet.push_back((left<<2) | (dec>>4));
|
|
left = dec & 15;
|
|
mode = 2;
|
|
break;
|
|
|
|
case 2: // we have 4 bits and get 6, we keep 2
|
|
vchRet.push_back((left<<4) | (dec>>2));
|
|
left = dec & 3;
|
|
mode = 3;
|
|
break;
|
|
|
|
case 3: // we have 2 bits and get 6
|
|
vchRet.push_back((left<<6) | dec);
|
|
mode = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (pfInvalid)
|
|
switch (mode)
|
|
{
|
|
case 0: // 4n base64 characters processed: ok
|
|
break;
|
|
|
|
case 1: // 4n+1 base64 character processed: impossible
|
|
*pfInvalid = true;
|
|
break;
|
|
|
|
case 2: // 4n+2 base64 characters processed: require '=='
|
|
if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
|
|
*pfInvalid = true;
|
|
break;
|
|
|
|
case 3: // 4n+3 base64 characters processed: require '='
|
|
if (left || p[0] != '=' || decode64_table[(unsigned char)p[1]] != -1)
|
|
*pfInvalid = true;
|
|
break;
|
|
}
|
|
|
|
return vchRet;
|
|
}
|
|
|
|
string DecodeBase64(const string& str)
|
|
{
|
|
vector<unsigned char> vchRet = DecodeBase64(str.c_str());
|
|
return string((const char*)&vchRet[0], vchRet.size());
|
|
}
|
|
|
|
string EncodeBase32(const unsigned char* pch, size_t len)
|
|
{
|
|
static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
|
|
|
|
string strRet="";
|
|
strRet.reserve((len+4)/5*8);
|
|
|
|
int mode=0, left=0;
|
|
const unsigned char *pchEnd = pch+len;
|
|
|
|
while (pch<pchEnd)
|
|
{
|
|
int enc = *(pch++);
|
|
switch (mode)
|
|
{
|
|
case 0: // we have no bits
|
|
strRet += pbase32[enc >> 3];
|
|
left = (enc & 7) << 2;
|
|
mode = 1;
|
|
break;
|
|
|
|
case 1: // we have three bits
|
|
strRet += pbase32[left | (enc >> 6)];
|
|
strRet += pbase32[(enc >> 1) & 31];
|
|
left = (enc & 1) << 4;
|
|
mode = 2;
|
|
break;
|
|
|
|
case 2: // we have one bit
|
|
strRet += pbase32[left | (enc >> 4)];
|
|
left = (enc & 15) << 1;
|
|
mode = 3;
|
|
break;
|
|
|
|
case 3: // we have four bits
|
|
strRet += pbase32[left | (enc >> 7)];
|
|
strRet += pbase32[(enc >> 2) & 31];
|
|
left = (enc & 3) << 3;
|
|
mode = 4;
|
|
break;
|
|
|
|
case 4: // we have two bits
|
|
strRet += pbase32[left | (enc >> 5)];
|
|
strRet += pbase32[enc & 31];
|
|
mode = 0;
|
|
}
|
|
}
|
|
|
|
static const int nPadding[5] = {0, 6, 4, 3, 1};
|
|
if (mode)
|
|
{
|
|
strRet += pbase32[left];
|
|
for (int n=0; n<nPadding[mode]; n++)
|
|
strRet += '=';
|
|
}
|
|
|
|
return strRet;
|
|
}
|
|
|
|
string EncodeBase32(const string& str)
|
|
{
|
|
return EncodeBase32((const unsigned char*)str.c_str(), str.size());
|
|
}
|
|
|
|
vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
|
|
{
|
|
static const int decode32_table[256] =
|
|
{
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2,
|
|
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
|
|
23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
|
|
};
|
|
|
|
if (pfInvalid)
|
|
*pfInvalid = false;
|
|
|
|
vector<unsigned char> vchRet;
|
|
vchRet.reserve((strlen(p))*5/8);
|
|
|
|
int mode = 0;
|
|
int left = 0;
|
|
|
|
while (1)
|
|
{
|
|
int dec = decode32_table[(unsigned char)*p];
|
|
if (dec == -1) break;
|
|
p++;
|
|
switch (mode)
|
|
{
|
|
case 0: // we have no bits and get 5
|
|
left = dec;
|
|
mode = 1;
|
|
break;
|
|
|
|
case 1: // we have 5 bits and keep 2
|
|
vchRet.push_back((left<<3) | (dec>>2));
|
|
left = dec & 3;
|
|
mode = 2;
|
|
break;
|
|
|
|
case 2: // we have 2 bits and keep 7
|
|
left = left << 5 | dec;
|
|
mode = 3;
|
|
break;
|
|
|
|
case 3: // we have 7 bits and keep 4
|
|
vchRet.push_back((left<<1) | (dec>>4));
|
|
left = dec & 15;
|
|
mode = 4;
|
|
break;
|
|
|
|
case 4: // we have 4 bits, and keep 1
|
|
vchRet.push_back((left<<4) | (dec>>1));
|
|
left = dec & 1;
|
|
mode = 5;
|
|
break;
|
|
|
|
case 5: // we have 1 bit, and keep 6
|
|
left = left << 5 | dec;
|
|
mode = 6;
|
|
break;
|
|
|
|
case 6: // we have 6 bits, and keep 3
|
|
vchRet.push_back((left<<2) | (dec>>3));
|
|
left = dec & 7;
|
|
mode = 7;
|
|
break;
|
|
|
|
case 7: // we have 3 bits, and keep 0
|
|
vchRet.push_back((left<<5) | dec);
|
|
mode = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (pfInvalid)
|
|
switch (mode)
|
|
{
|
|
case 0: // 8n base32 characters processed: ok
|
|
break;
|
|
|
|
case 1: // 8n+1 base32 characters processed: impossible
|
|
case 3: // +3
|
|
case 6: // +6
|
|
*pfInvalid = true;
|
|
break;
|
|
|
|
case 2: // 8n+2 base32 characters processed: require '======'
|
|
if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || p[4] != '=' || p[5] != '=' || decode32_table[(unsigned char)p[6]] != -1)
|
|
*pfInvalid = true;
|
|
break;
|
|
|
|
case 4: // 8n+4 base32 characters processed: require '===='
|
|
if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
|
|
*pfInvalid = true;
|
|
break;
|
|
|
|
case 5: // 8n+5 base32 characters processed: require '==='
|
|
if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
|
|
*pfInvalid = true;
|
|
break;
|
|
|
|
case 7: // 8n+7 base32 characters processed: require '='
|
|
if (left || p[0] != '=' || decode32_table[(unsigned char)p[1]] != -1)
|
|
*pfInvalid = true;
|
|
break;
|
|
}
|
|
|
|
return vchRet;
|
|
}
|
|
|
|
string DecodeBase32(const string& str)
|
|
{
|
|
vector<unsigned char> vchRet = DecodeBase32(str.c_str());
|
|
return string((const char*)&vchRet[0], vchRet.size());
|
|
}
|
|
|
|
|
|
bool WildcardMatch(const char* psz, const char* mask)
|
|
{
|
|
while (true)
|
|
{
|
|
switch (*mask)
|
|
{
|
|
case '\0':
|
|
return (*psz == '\0');
|
|
case '*':
|
|
return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
|
|
case '?':
|
|
if (*psz == '\0')
|
|
return false;
|
|
break;
|
|
default:
|
|
if (*psz != *mask)
|
|
return false;
|
|
break;
|
|
}
|
|
psz++;
|
|
mask++;
|
|
}
|
|
}
|
|
|
|
bool WildcardMatch(const string& str, const string& mask)
|
|
{
|
|
return WildcardMatch(str.c_str(), mask.c_str());
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static std::string FormatException(std::exception* pex, const char* pszThread)
|
|
{
|
|
#ifdef WIN32
|
|
char pszModule[MAX_PATH] = "";
|
|
GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
|
|
#else
|
|
const char* pszModule = "bitcoin";
|
|
#endif
|
|
if (pex)
|
|
return strprintf(
|
|
"EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
|
|
else
|
|
return strprintf(
|
|
"UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
|
|
}
|
|
|
|
void LogException(std::exception* pex, const char* pszThread)
|
|
{
|
|
std::string message = FormatException(pex, pszThread);
|
|
LogPrintf("\n%s", message.c_str());
|
|
}
|
|
|
|
void PrintException(std::exception* pex, const char* pszThread)
|
|
{
|
|
std::string message = FormatException(pex, pszThread);
|
|
LogPrintf("\n\n************************\n%s\n", message.c_str());
|
|
fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
|
|
strMiscWarning = message;
|
|
throw;
|
|
}
|
|
|
|
void PrintExceptionContinue(std::exception* pex, const char* pszThread)
|
|
{
|
|
std::string message = FormatException(pex, pszThread);
|
|
LogPrintf("\n\n************************\n%s\n", message.c_str());
|
|
fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
|
|
strMiscWarning = message;
|
|
}
|
|
|
|
boost::filesystem::path GetDefaultDataDir()
|
|
{
|
|
namespace fs = boost::filesystem;
|
|
// Windows < Vista: C:\Documents and Settings\Username\Application Data\Bitcoin
|
|
// Windows >= Vista: C:\Users\Username\AppData\Roaming\Bitcoin
|
|
// Mac: ~/Library/Application Support/Bitcoin
|
|
// Unix: ~/.bitcoin
|
|
#ifdef WIN32
|
|
// Windows
|
|
return GetSpecialFolderPath(CSIDL_APPDATA) / "Bitcoin";
|
|
#else
|
|
fs::path pathRet;
|
|
char* pszHome = getenv("HOME");
|
|
if (pszHome == NULL || strlen(pszHome) == 0)
|
|
pathRet = fs::path("/");
|
|
else
|
|
pathRet = fs::path(pszHome);
|
|
#ifdef MAC_OSX
|
|
// Mac
|
|
pathRet /= "Library/Application Support";
|
|
fs::create_directory(pathRet);
|
|
return pathRet / "Bitcoin";
|
|
#else
|
|
// Unix
|
|
return pathRet / ".bitcoin";
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
static boost::filesystem::path pathCached[CChainParams::MAX_NETWORK_TYPES+1];
|
|
static CCriticalSection csPathCached;
|
|
|
|
const boost::filesystem::path &GetDataDir(bool fNetSpecific)
|
|
{
|
|
namespace fs = boost::filesystem;
|
|
|
|
LOCK(csPathCached);
|
|
|
|
int nNet = CChainParams::MAX_NETWORK_TYPES;
|
|
if (fNetSpecific) nNet = Params().NetworkID();
|
|
|
|
fs::path &path = pathCached[nNet];
|
|
|
|
// This can be called during exceptions by LogPrintf(), so we cache the
|
|
// value so we don't have to do memory allocations after that.
|
|
if (!path.empty())
|
|
return path;
|
|
|
|
if (mapArgs.count("-datadir")) {
|
|
path = fs::system_complete(mapArgs["-datadir"]);
|
|
if (!fs::is_directory(path)) {
|
|
path = "";
|
|
return path;
|
|
}
|
|
} else {
|
|
path = GetDefaultDataDir();
|
|
}
|
|
if (fNetSpecific)
|
|
path /= Params().DataDir();
|
|
|
|
fs::create_directories(path);
|
|
|
|
return path;
|
|
}
|
|
|
|
void ClearDatadirCache()
|
|
{
|
|
std::fill(&pathCached[0], &pathCached[CChainParams::MAX_NETWORK_TYPES+1],
|
|
boost::filesystem::path());
|
|
}
|
|
|
|
boost::filesystem::path GetConfigFile()
|
|
{
|
|
boost::filesystem::path pathConfigFile(GetArg("-conf", "bitcoin.conf"));
|
|
if (!pathConfigFile.is_complete()) pathConfigFile = GetDataDir(false) / pathConfigFile;
|
|
return pathConfigFile;
|
|
}
|
|
|
|
void ReadConfigFile(map<string, string>& mapSettingsRet,
|
|
map<string, vector<string> >& mapMultiSettingsRet)
|
|
{
|
|
boost::filesystem::ifstream streamConfig(GetConfigFile());
|
|
if (!streamConfig.good())
|
|
return; // No bitcoin.conf file is OK
|
|
|
|
set<string> setOptions;
|
|
setOptions.insert("*");
|
|
|
|
for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
|
|
{
|
|
// Don't overwrite existing settings so command line settings override bitcoin.conf
|
|
string strKey = string("-") + it->string_key;
|
|
if (mapSettingsRet.count(strKey) == 0)
|
|
{
|
|
mapSettingsRet[strKey] = it->value[0];
|
|
// interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
|
|
InterpretNegativeSetting(strKey, mapSettingsRet);
|
|
}
|
|
mapMultiSettingsRet[strKey].push_back(it->value[0]);
|
|
}
|
|
// If datadir is changed in .conf file:
|
|
ClearDatadirCache();
|
|
}
|
|
|
|
boost::filesystem::path GetPidFile()
|
|
{
|
|
boost::filesystem::path pathPidFile(GetArg("-pid", "bitcoind.pid"));
|
|
if (!pathPidFile.is_complete()) pathPidFile = GetDataDir() / pathPidFile;
|
|
return pathPidFile;
|
|
}
|
|
|
|
#ifndef WIN32
|
|
void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
|
|
{
|
|
FILE* file = fopen(path.string().c_str(), "w");
|
|
if (file)
|
|
{
|
|
fprintf(file, "%d\n", pid);
|
|
fclose(file);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
|
|
{
|
|
#ifdef WIN32
|
|
return MoveFileExA(src.string().c_str(), dest.string().c_str(),
|
|
MOVEFILE_REPLACE_EXISTING);
|
|
#else
|
|
int rc = std::rename(src.string().c_str(), dest.string().c_str());
|
|
return (rc == 0);
|
|
#endif /* WIN32 */
|
|
}
|
|
|
|
void FileCommit(FILE *fileout)
|
|
{
|
|
fflush(fileout); // harmless if redundantly called
|
|
#ifdef WIN32
|
|
_commit(_fileno(fileout));
|
|
#else
|
|
#if defined(__linux__) || defined(__NetBSD__)
|
|
fdatasync(fileno(fileout));
|
|
#elif defined(__APPLE__) && defined(F_FULLFSYNC)
|
|
fcntl(fileno(fileout), F_FULLFSYNC, 0);
|
|
#else
|
|
fsync(fileno(fileout));
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
int GetFilesize(FILE* file)
|
|
{
|
|
int nSavePos = ftell(file);
|
|
int nFilesize = -1;
|
|
if (fseek(file, 0, SEEK_END) == 0)
|
|
nFilesize = ftell(file);
|
|
fseek(file, nSavePos, SEEK_SET);
|
|
return nFilesize;
|
|
}
|
|
|
|
bool TruncateFile(FILE *file, unsigned int length) {
|
|
#if defined(WIN32)
|
|
return _chsize(_fileno(file), length) == 0;
|
|
#else
|
|
return ftruncate(fileno(file), length) == 0;
|
|
#endif
|
|
}
|
|
|
|
// this function tries to raise the file descriptor limit to the requested number.
|
|
// It returns the actual file descriptor limit (which may be more or less than nMinFD)
|
|
int RaiseFileDescriptorLimit(int nMinFD) {
|
|
#if defined(WIN32)
|
|
return 2048;
|
|
#else
|
|
struct rlimit limitFD;
|
|
if (getrlimit(RLIMIT_NOFILE, &limitFD) != -1) {
|
|
if (limitFD.rlim_cur < (rlim_t)nMinFD) {
|
|
limitFD.rlim_cur = nMinFD;
|
|
if (limitFD.rlim_cur > limitFD.rlim_max)
|
|
limitFD.rlim_cur = limitFD.rlim_max;
|
|
setrlimit(RLIMIT_NOFILE, &limitFD);
|
|
getrlimit(RLIMIT_NOFILE, &limitFD);
|
|
}
|
|
return limitFD.rlim_cur;
|
|
}
|
|
return nMinFD; // getrlimit failed, assume it's fine
|
|
#endif
|
|
}
|
|
|
|
// this function tries to make a particular range of a file allocated (corresponding to disk space)
|
|
// it is advisory, and the range specified in the arguments will never contain live data
|
|
void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length) {
|
|
#if defined(WIN32)
|
|
// Windows-specific version
|
|
HANDLE hFile = (HANDLE)_get_osfhandle(_fileno(file));
|
|
LARGE_INTEGER nFileSize;
|
|
int64_t nEndPos = (int64_t)offset + length;
|
|
nFileSize.u.LowPart = nEndPos & 0xFFFFFFFF;
|
|
nFileSize.u.HighPart = nEndPos >> 32;
|
|
SetFilePointerEx(hFile, nFileSize, 0, FILE_BEGIN);
|
|
SetEndOfFile(hFile);
|
|
#elif defined(MAC_OSX)
|
|
// OSX specific version
|
|
fstore_t fst;
|
|
fst.fst_flags = F_ALLOCATECONTIG;
|
|
fst.fst_posmode = F_PEOFPOSMODE;
|
|
fst.fst_offset = 0;
|
|
fst.fst_length = (off_t)offset + length;
|
|
fst.fst_bytesalloc = 0;
|
|
if (fcntl(fileno(file), F_PREALLOCATE, &fst) == -1) {
|
|
fst.fst_flags = F_ALLOCATEALL;
|
|
fcntl(fileno(file), F_PREALLOCATE, &fst);
|
|
}
|
|
ftruncate(fileno(file), fst.fst_length);
|
|
#elif defined(__linux__)
|
|
// Version using posix_fallocate
|
|
off_t nEndPos = (off_t)offset + length;
|
|
posix_fallocate(fileno(file), 0, nEndPos);
|
|
#else
|
|
// Fallback version
|
|
// TODO: just write one byte per block
|
|
static const char buf[65536] = {};
|
|
fseek(file, offset, SEEK_SET);
|
|
while (length > 0) {
|
|
unsigned int now = 65536;
|
|
if (length < now)
|
|
now = length;
|
|
fwrite(buf, 1, now, file); // allowed to fail; this function is advisory anyway
|
|
length -= now;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void ShrinkDebugFile()
|
|
{
|
|
// Scroll debug.log if it's getting too big
|
|
boost::filesystem::path pathLog = GetDataDir() / "debug.log";
|
|
FILE* file = fopen(pathLog.string().c_str(), "r");
|
|
if (file && GetFilesize(file) > 10 * 1000000)
|
|
{
|
|
// Restart the file with some of the end
|
|
char pch[200000];
|
|
fseek(file, -sizeof(pch), SEEK_END);
|
|
int nBytes = fread(pch, 1, sizeof(pch), file);
|
|
fclose(file);
|
|
|
|
file = fopen(pathLog.string().c_str(), "w");
|
|
if (file)
|
|
{
|
|
fwrite(pch, 1, nBytes, file);
|
|
fclose(file);
|
|
}
|
|
}
|
|
else if (file != NULL)
|
|
fclose(file);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
// "Never go to sea with two chronometers; take one or three."
|
|
// Our three time sources are:
|
|
// - System clock
|
|
// - Median of other nodes clocks
|
|
// - The user (asking the user to fix the system clock if the first two disagree)
|
|
//
|
|
static int64_t nMockTime = 0; // For unit testing
|
|
|
|
int64_t GetTime()
|
|
{
|
|
if (nMockTime) return nMockTime;
|
|
|
|
return time(NULL);
|
|
}
|
|
|
|
void SetMockTime(int64_t nMockTimeIn)
|
|
{
|
|
nMockTime = nMockTimeIn;
|
|
}
|
|
|
|
static CCriticalSection cs_nTimeOffset;
|
|
static int64_t nTimeOffset = 0;
|
|
|
|
int64_t GetTimeOffset()
|
|
{
|
|
LOCK(cs_nTimeOffset);
|
|
return nTimeOffset;
|
|
}
|
|
|
|
int64_t GetAdjustedTime()
|
|
{
|
|
return GetTime() + GetTimeOffset();
|
|
}
|
|
|
|
void AddTimeData(const CNetAddr& ip, int64_t nTime)
|
|
{
|
|
int64_t nOffsetSample = nTime - GetTime();
|
|
|
|
LOCK(cs_nTimeOffset);
|
|
// Ignore duplicates
|
|
static set<CNetAddr> setKnown;
|
|
if (!setKnown.insert(ip).second)
|
|
return;
|
|
|
|
// Add data
|
|
static CMedianFilter<int64_t> vTimeOffsets(200,0);
|
|
vTimeOffsets.input(nOffsetSample);
|
|
LogPrintf("Added time data, samples %d, offset %+"PRId64" (%+"PRId64" minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
|
|
if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
|
|
{
|
|
int64_t nMedian = vTimeOffsets.median();
|
|
std::vector<int64_t> vSorted = vTimeOffsets.sorted();
|
|
// Only let other nodes change our time by so much
|
|
if (abs64(nMedian) < 70 * 60)
|
|
{
|
|
nTimeOffset = nMedian;
|
|
}
|
|
else
|
|
{
|
|
nTimeOffset = 0;
|
|
|
|
static bool fDone;
|
|
if (!fDone)
|
|
{
|
|
// If nobody has a time different than ours but within 5 minutes of ours, give a warning
|
|
bool fMatch = false;
|
|
BOOST_FOREACH(int64_t nOffset, vSorted)
|
|
if (nOffset != 0 && abs64(nOffset) < 5 * 60)
|
|
fMatch = true;
|
|
|
|
if (!fMatch)
|
|
{
|
|
fDone = true;
|
|
string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong Bitcoin will not work properly.");
|
|
strMiscWarning = strMessage;
|
|
LogPrintf("*** %s\n", strMessage.c_str());
|
|
uiInterface.ThreadSafeMessageBox(strMessage, "", CClientUIInterface::MSG_WARNING);
|
|
}
|
|
}
|
|
}
|
|
if (fDebug) {
|
|
BOOST_FOREACH(int64_t n, vSorted)
|
|
LogPrintf("%+"PRId64" ", n);
|
|
LogPrintf("| ");
|
|
}
|
|
LogPrintf("nTimeOffset = %+"PRId64" (%+"PRId64" minutes)\n", nTimeOffset, nTimeOffset/60);
|
|
}
|
|
}
|
|
|
|
uint32_t insecure_rand_Rz = 11;
|
|
uint32_t insecure_rand_Rw = 11;
|
|
void seed_insecure_rand(bool fDeterministic)
|
|
{
|
|
//The seed values have some unlikely fixed points which we avoid.
|
|
if(fDeterministic)
|
|
{
|
|
insecure_rand_Rz = insecure_rand_Rw = 11;
|
|
} else {
|
|
uint32_t tmp;
|
|
do {
|
|
RAND_bytes((unsigned char*)&tmp, 4);
|
|
} while(tmp == 0 || tmp == 0x9068ffffU);
|
|
insecure_rand_Rz = tmp;
|
|
do {
|
|
RAND_bytes((unsigned char*)&tmp, 4);
|
|
} while(tmp == 0 || tmp == 0x464fffffU);
|
|
insecure_rand_Rw = tmp;
|
|
}
|
|
}
|
|
|
|
string FormatVersion(int nVersion)
|
|
{
|
|
if (nVersion%100 == 0)
|
|
return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
|
|
else
|
|
return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
|
|
}
|
|
|
|
string FormatFullVersion()
|
|
{
|
|
return CLIENT_BUILD;
|
|
}
|
|
|
|
// Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
|
|
std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
|
|
{
|
|
std::ostringstream ss;
|
|
ss << "/";
|
|
ss << name << ":" << FormatVersion(nClientVersion);
|
|
if (!comments.empty())
|
|
ss << "(" << boost::algorithm::join(comments, "; ") << ")";
|
|
ss << "/";
|
|
return ss.str();
|
|
}
|
|
|
|
#ifdef WIN32
|
|
boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate)
|
|
{
|
|
namespace fs = boost::filesystem;
|
|
|
|
char pszPath[MAX_PATH] = "";
|
|
|
|
if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
|
|
{
|
|
return fs::path(pszPath);
|
|
}
|
|
|
|
LogPrintf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
|
|
return fs::path("");
|
|
}
|
|
#endif
|
|
|
|
boost::filesystem::path GetTempPath() {
|
|
#if BOOST_FILESYSTEM_VERSION == 3
|
|
return boost::filesystem::temp_directory_path();
|
|
#else
|
|
// TODO: remove when we don't support filesystem v2 anymore
|
|
boost::filesystem::path path;
|
|
#ifdef WIN32
|
|
char pszPath[MAX_PATH] = "";
|
|
|
|
if (GetTempPathA(MAX_PATH, pszPath))
|
|
path = boost::filesystem::path(pszPath);
|
|
#else
|
|
path = boost::filesystem::path("/tmp");
|
|
#endif
|
|
if (path.empty() || !boost::filesystem::is_directory(path)) {
|
|
LogPrintf("GetTempPath(): failed to find temp path\n");
|
|
return boost::filesystem::path("");
|
|
}
|
|
return path;
|
|
#endif
|
|
}
|
|
|
|
void runCommand(std::string strCommand)
|
|
{
|
|
int nErr = ::system(strCommand.c_str());
|
|
if (nErr)
|
|
LogPrintf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
|
|
}
|
|
|
|
void RenameThread(const char* name)
|
|
{
|
|
#if defined(PR_SET_NAME)
|
|
// Only the first 15 characters are used (16 - NUL terminator)
|
|
::prctl(PR_SET_NAME, name, 0, 0, 0);
|
|
#elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))
|
|
// TODO: This is currently disabled because it needs to be verified to work
|
|
// on FreeBSD or OpenBSD first. When verified the '0 &&' part can be
|
|
// removed.
|
|
pthread_set_name_np(pthread_self(), name);
|
|
|
|
#elif defined(MAC_OSX) && defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
|
|
|
|
// pthread_setname_np is XCode 10.6-and-later
|
|
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
|
|
pthread_setname_np(name);
|
|
#endif
|
|
|
|
#else
|
|
// Prevent warnings for unused parameters...
|
|
(void)name;
|
|
#endif
|
|
}
|
|
|