tomFlowee
b4a3da2642
These are technically static libs, but not in any way shared libs. They are used solely only by this repo and really only by the hub. Most important, no header files are installed and basically none of the normal rules for reusable libraries are applied to these files.
125 lines
4.4 KiB
C++
125 lines
4.4 KiB
C++
/*
|
|
* This file is part of the Flowee project
|
|
* Copyright (C) 2009-2010 Satoshi Nakamoto
|
|
* Copyright (C) 2009-2015 The Bitcoin Core developers
|
|
* Copyright (C) 2017-2018 Tom Zander <tom@flowee.org>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "serverutil.h"
|
|
#include "random.h"
|
|
#include "sync.h"
|
|
//
|
|
#include "crypto/sha256.h"
|
|
#include <openssl/crypto.h>
|
|
#include <openssl/rand.h>
|
|
#include <openssl/conf.h>
|
|
|
|
bool fDaemon = false;
|
|
bool fServer = false;
|
|
std::string strMiscWarning;
|
|
bool fLogIPs = DEFAULT_LOGIPS;
|
|
|
|
/** Init OpenSSL library multithreading support */
|
|
static CCriticalSection** ppmutexOpenSSL;
|
|
void locking_callback(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS
|
|
{
|
|
if (mode & CRYPTO_LOCK) {
|
|
ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i])
|
|
} else {
|
|
LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i])
|
|
}
|
|
}
|
|
|
|
// Init
|
|
class CInit
|
|
{
|
|
public:
|
|
CInit()
|
|
{
|
|
// Init OpenSSL library multithreading support
|
|
ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
|
|
for (int i = 0; i < CRYPTO_num_locks(); i++)
|
|
ppmutexOpenSSL[i] = new CCriticalSection();
|
|
CRYPTO_set_locking_callback(locking_callback);
|
|
|
|
// OpenSSL can optionally load a config file which lists optional loadable modules and engines.
|
|
// We don't use them so we don't require the config. However some of our libs may call functions
|
|
// which attempt to load the config file, possibly resulting in an exit() or crash if it is missing
|
|
// or corrupt. Explicitly tell OpenSSL not to try to load the file. The result for our libs will be
|
|
// that the config appears to have been loaded and there are no modules/engines available.
|
|
OPENSSL_no_config();
|
|
|
|
#ifdef WIN32
|
|
// Seed OpenSSL PRNG with current contents of the screen
|
|
RAND_screen();
|
|
#endif
|
|
|
|
// Seed OpenSSL PRNG with performance counter
|
|
RandAddSeed();
|
|
}
|
|
~CInit()
|
|
{
|
|
// Securely erase the memory used by the PRNG
|
|
RAND_cleanup();
|
|
// Shutdown OpenSSL library multithreading support
|
|
CRYPTO_set_locking_callback(NULL);
|
|
for (int i = 0; i < CRYPTO_num_locks(); i++)
|
|
delete ppmutexOpenSSL[i];
|
|
OPENSSL_free(ppmutexOpenSSL);
|
|
}
|
|
}
|
|
instance_of_cinit;
|
|
|
|
void SetupEnvironment()
|
|
{
|
|
// On most POSIX systems (e.g. Linux, but not BSD) the environment's locale
|
|
// may be invalid, in which case the "C" locale is used as fallback.
|
|
#if !defined(WIN32) && !defined(MAC_OSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
|
|
try {
|
|
std::locale(""); // Raises a runtime error if current locale is invalid
|
|
} catch (const std::runtime_error&) {
|
|
setenv("LC_ALL", "C", 1);
|
|
}
|
|
#endif
|
|
// Choose the most efficient SHA256 compatible with the system
|
|
logInfo(Log::Bitcoin) << "Chosen SHA256 implementation:" << SHA256AutoDetect();
|
|
// The path locale is lazy initialized and to avoid deinitialization errors
|
|
// in multithreading environments, it is set explicitly by the main thread.
|
|
// A dummy locale is used to extract the internal default locale, used by
|
|
// boost::filesystem::path, which is then used to explicitly imbue the path.
|
|
std::locale loc = boost::filesystem::path::imbue(std::locale::classic());
|
|
boost::filesystem::path::imbue(loc);
|
|
}
|
|
|
|
bool SetupNetworking()
|
|
{
|
|
#ifdef WIN32
|
|
// Initialize Windows Sockets
|
|
WSADATA wsadata;
|
|
int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
|
|
if (ret != NO_ERROR || LOBYTE(wsadata.wVersion ) != 2 || HIBYTE(wsadata.wVersion) != 2)
|
|
return false;
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
void runCommand(const std::string& strCommand)
|
|
{
|
|
int nErr = ::system(strCommand.c_str());
|
|
if (nErr)
|
|
LogPrintf("runCommand error: system(%s) returned %d\n", strCommand, nErr);
|
|
}
|