#include "util.h"
#include "sync.h"
#include "strlcpy.h"
#include "version.h"
#include "ui_interface.h"
#include <boost/algorithm/string/join.hpp>

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/conf.h>

#include "init.h"
#include "constants.h"
#include "base58.h"
#include "db.h"




namespace boost {
    namespace program_options {
        std::string to_internal(const std::string&);
    }
}

#include <boost/program_options/detail/config_file.hpp>
#include <boost/program_options/parsers.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/foreach.hpp>
#include <boost/thread.hpp>
#include <openssl/crypto.h>
#include <openssl/rand.h>
#include <stdarg.h>

#ifdef WIN32
#ifdef _MSC_VER
#pragma warning(disable:4786)
#pragma warning(disable:4804)
#pragma warning(disable:4805)
#pragma warning(disable:4717)
#endif
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define _WIN32_WINNT 0x0501
#ifdef _WIN32_IE
#undef _WIN32_IE
#endif
#define _WIN32_IE 0x0501
#define WIN32_LEAN_AND_MEAN 1
#ifndef NOMINMAX
#define NOMINMAX 
#endif
#include <io.h>
#include "shlobj.h"
#elif defined(__linux__)
# include <sys/prctl.h>
#endif

using namespace std;

extern LocatorNodeDB* ln1Db;

map<string, string> mapArgs;
map<string, vector<string> > mapMultiArgs;
bool fDebug = false;
bool fDebugNet = false;
bool fPrintToConsole = false;
bool fPrintToDebugger = false;
bool fRequestShutdown = false;
bool fShutdown = false;
bool fDaemon = false;
bool fServer = false;
bool fCommandLine = false;
string strMiscWarning;
bool fTestNet = false;
bool fNoListen = false;
bool fLogTimestamps = false;
CMedianFilter<int64_t> vTimeOffsets(200,0);
bool fReopenDebugLog = false;



static CCriticalSection** ppmutexOpenSSL;
void locking_callback(int mode, int i, const char* file, int line)
{
    if (mode & CRYPTO_LOCK) {
        ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
    } else {
        LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]);
    }
}

LockedPageManager LockedPageManager::instance;


class CInit
{
public:
    CInit()
    {

        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);

#ifdef WIN32

        RAND_screen();
#endif


        RandAddSeed();
    }
    ~CInit()
    {

        CRYPTO_set_locking_callback(NULL);
        for (int i = 0; i < CRYPTO_num_locks(); i++)
            delete ppmutexOpenSSL[i];
        OPENSSL_free(ppmutexOpenSSL);
    }
}
instance_of_cinit;

void ex(void)
{
  ERR_print_errors_fp(stderr);
  abort();
}

int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
  unsigned char *iv, unsigned char *ciphertext)
{
  EVP_CIPHER_CTX *ctx;


  int ciphertext_len = 0;

  if(!(ctx = EVP_CIPHER_CTX_new())) ex();

  if(EVP_EncryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, key, iv) != 1)
    ex();

  int len;
    if(EVP_EncryptUpdate(ctx, ciphertext, &len, plaintext, plaintext_len) != 1)
      ex();
    ciphertext_len += len;

  if(EVP_EncryptFinal_ex(ctx, ciphertext + len, &len) != 1) ex();
  ciphertext_len += len;

  EVP_CIPHER_CTX_free(ctx);

  return ciphertext_len;
}

int decrypt(unsigned char* ciphertext, int ciphertext_len, unsigned char* key,
  unsigned char *iv, unsigned char *plaintext)
{
  EVP_CIPHER_CTX *ctx;


  int plaintext_len=0;

  if(!(ctx = EVP_CIPHER_CTX_new())) ex();

  if(EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, key, iv) != 1)
    ex();

  int len;
  if(EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len) != 1)
    ex();
  plaintext_len += len;

  if(EVP_DecryptFinal_ex(ctx, plaintext + len, &len) != 1) ex();
  plaintext_len += len;

  EVP_CIPHER_CTX_free(ctx);

  return plaintext_len;
}

bool EncryptMessageAES(const string& message, string& encryptedMsg, vector<unsigned char>& key, string& iv128Base64)
{
#ifdef WIN32
  srand(time(NULL));
#else
  srandom(time(NULL));
#endif

  int LEN=16;
  vector<unsigned char> iv128;
  for(int i=0; i<LEN; i++)
  {
    iv128.push_back((unsigned char)(rand() % 255 + 1));
  }

  unsigned char* key256_array = &key[0];
  unsigned char* iv128_array = &iv128[0];

  const char* m = message.c_str();
  unsigned char* msg = (unsigned char*)m;


  ERR_load_crypto_strings();
  OpenSSL_add_all_algorithms();


  unsigned char* encrypted_msg = (unsigned char*)malloc(message.size() + 16);


  int encrypted_msg_len = encrypt(msg,
                                  message.size(),
                                  key256_array,
                                  iv128_array,
                                  encrypted_msg);


  encryptedMsg = EncodeBase64(encrypted_msg, encrypted_msg_len);

  iv128Base64 = EncodeBase64(&iv128[0], 16);
  free(encrypted_msg);

  return true;
}

bool DecryptMessageAES(const string& encryptedMsg, string& message, vector<unsigned char>& key, string& iv128Base64)
{

  ERR_load_crypto_strings();
  OpenSSL_add_all_algorithms();


  unsigned char* plain = (unsigned char*)malloc(encryptedMsg.size());


  vector<unsigned char> msg__ = DecodeBase64(encryptedMsg.c_str());


  vector<unsigned char> iv128RawVector = DecodeBase64(iv128Base64.c_str());
  int p_len = decrypt(&msg__[0],
                                  msg__.size(),
                                  &key[0],
                                  &iv128RawVector[0],
                                  plain);

  std::string s( reinterpret_cast<char const*>(plain), p_len ) ;
  message = s;
  free(plain);

  return true;
}

bool EncryptMessage(const string& rsaPubKey, const string& message, string& encryptedMsg)
{
  const int KEY_LENGTH=4096;

  const char* pubKeyStr = rsaPubKey.c_str();

  const unsigned char* msg = reinterpret_cast<const unsigned char*>(message.c_str());

  RSA *rsa= NULL;
  BIO *keybio ;
  keybio = BIO_new_mem_buf((void*)pubKeyStr, -1);
  if (keybio==NULL)
  {
    return false;
  }

  rsa = PEM_read_bio_RSA_PUBKEY(keybio, &rsa,NULL, NULL);

  unsigned char encrypted[KEY_LENGTH/8] = { };

  int result = RSA_public_encrypt(message.size(),msg,encrypted,rsa,RSA_PKCS1_OAEP_PADDING);
  if(result != 0)
  {
     ERR_load_crypto_strings();
     char* err = (char*)malloc(0x100);
     ERR_error_string(ERR_get_error(), err);
     fprintf(stderr, "Error encrypting message: %s\n", err);
     free(err);
  }


  encryptedMsg = EncodeBase64(encrypted, result);

  return true;
}
bool DecryptMessage(const string& rsaPrivKey, const string& encrypted, string& decryptedMsg)
{
  const char* privKeyStr = rsaPrivKey.c_str();


  vector<unsigned char> msg = DecodeBase64(encrypted.c_str());

  RSA *rsa= NULL;
  BIO *keybio ;
  keybio = BIO_new_mem_buf((unsigned char*)privKeyStr, -1);
  if (keybio==NULL)
  {
    return false;
  }

  rsa = PEM_read_bio_RSAPrivateKey(keybio, &rsa,NULL, NULL);

  unsigned char decrypted[4098] = { };

  int r = RSA_private_decrypt(msg.size(),&msg[0],decrypted,rsa,RSA_PKCS1_OAEP_PADDING);
  if(r == -1)
    return false;

  decryptedMsg = string(reinterpret_cast<const char*>(decrypted));

  return true;
}

void GenerateAESKey(vchType& aesKey)
{
  #ifdef WIN32
    srand(time(NULL));
  #else
    srandom(time(NULL));
  #endif
  int LEN=32;
  for(int i=0; i<LEN; i++)
  {
    aesKey.push_back((unsigned char)(rand() % 255 + 1));
  }
}

void GenerateRSAKey(CoordinateVector& p)
{
    const int KEY_LENGTH=4096;
    const int PUB_EXP=3;
    size_t pri_len;
    size_t pub_len;
    char *pri_key;
    char *pub_key;


    fflush(stdout);
    RSA *keypair = RSA_generate_key(KEY_LENGTH, PUB_EXP, NULL, NULL);


    BIO *pri = BIO_new(BIO_s_mem());
    BIO *pub = BIO_new(BIO_s_mem());

    PEM_write_bio_RSAPrivateKey(pri, keypair, NULL, NULL, 0, NULL, NULL);
    PEM_write_bio_RSA_PUBKEY(pub, keypair);

    pri_len = BIO_pending(pri);
    pub_len = BIO_pending(pub);

    pri_key = (char*)malloc(pri_len + 1);
    pub_key = (char*)malloc(pub_len + 1);

    BIO_read(pri, pri_key, pri_len);
    BIO_read(pub, pub_key, pub_len);

    pri_key[pri_len] = '\0';
    pub_key[pub_len] = '\0';


  string k1 = string(pri_key);
  string k2 = string(pub_key);
  p.domain(k1);

  p.codomain(k2);
}

void RandAddSeed()
{

    int64_t nCounter = GetPerformanceCounter();
    RAND_add(&nCounter, sizeof(nCounter), 1.5);
    memset(&nCounter, 0, sizeof(nCounter));
}

void RandAddSeedPerfmon()
{
    RandAddSeed();


    static int64_t nLastPerfmon;
    if (GetTime() < nLastPerfmon + 10 * 60)
        return;
    nLastPerfmon = GetTime();

#ifdef WIN32


    unsigned char pdata[250000];
    memset(pdata, 0, sizeof(pdata));
    unsigned long nSize = sizeof(pdata);
    long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
    RegCloseKey(HKEY_PERFORMANCE_DATA);
    if (ret == ERROR_SUCCESS)
    {
        RAND_add(pdata, nSize, nSize/100.0);
        memset(pdata, 0, nSize);
    }
#endif
}

uint64_t GetRand(uint64_t nMax)
{
    if (nMax == 0)
        return 0;



    uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
    uint64_t nRand = 0;
    do
        RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
    while (nRand >= nRange);
    return (nRand % nMax);
}

int GetRandInt(int nMax)
{
    return GetRand(nMax);
}

uint256 GetRandHash()
{
    uint256 hash;
    RAND_bytes((unsigned char*)&hash, sizeof(hash));
    return hash;
}







inline int OutputDebugStringF(const char* pszFormat, ...)
{
    int ret = 0;
    if (fPrintToConsole)
    {

        va_list arg_ptr;
        va_start(arg_ptr, pszFormat);
        ret = vprintf(pszFormat, arg_ptr);
        va_end(arg_ptr);
    }
    else if (!fPrintToDebugger)
    {

        static FILE* fileout = NULL;

        if (!fileout)
        {
            boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
            fileout = fopen(pathDebug.string().c_str(), "a");
            if (fileout) setbuf(fileout, NULL);
        }
        if (fileout)
        {
            static bool fStartedNewLine = true;





            static boost::mutex* mutexDebugLog = NULL;
            if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex();
            boost::mutex::scoped_lock scoped_lock(*mutexDebugLog);


            if (fReopenDebugLog) {
                fReopenDebugLog = false;
                boost::filesystem::path pathDebug = GetDataDir() / "debug.log";
                if (freopen(pathDebug.string().c_str(),"a",fileout) != NULL)
                    setbuf(fileout, NULL);
            }


            if (fLogTimestamps && fStartedNewLine)
                fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
            if (pszFormat[strlen(pszFormat) - 1] == '\n')
                fStartedNewLine = true;
            else
                fStartedNewLine = false;

            va_list arg_ptr;
            va_start(arg_ptr, pszFormat);
            ret = vfprintf(fileout, pszFormat, arg_ptr);
            va_end(arg_ptr);
        }
    }

#ifdef WIN32
    if (fPrintToDebugger)
    {
        static CCriticalSection cs_OutputDebugStringF;


        {
            LOCK(cs_OutputDebugStringF);
            static std::string buffer;

            va_list arg_ptr;
            va_start(arg_ptr, pszFormat);
            buffer += vstrprintf(pszFormat, arg_ptr);
            va_end(arg_ptr);

            int line_start = 0, line_end;
            while((line_end = buffer.find('\n', line_start)) != -1)
            {
                OutputDebugStringA(buffer.substr(line_start, line_end - line_start).c_str());
                line_start = line_end + 1;
            }
            buffer.erase(0, line_start);
        }
    }
#endif
    return ret;
}

string vstrprintf(const char *format, va_list ap)
{
    char buffer[50000];
    char* p = buffer;
    int limit = sizeof(buffer);
    int ret;
    while (true)
    {
        va_list arg_ptr;
        va_copy(arg_ptr, ap);
#ifdef WIN32
        ret = _vsnprintf(p, limit, format, arg_ptr);
#else
        ret = vsnprintf(p, limit, format, arg_ptr);
#endif
        va_end(arg_ptr);
        if (ret >= 0 && ret < limit)
            break;
        if (p != buffer)
            delete[] p;
        limit *= 2;
        p = new char[limit];
        if (p == NULL)
            throw std::bad_alloc();
    }
    string str(p, p+ret);
    if (p != buffer)
        delete[] p;
    return str;
}

string real_strprintf(const char *format, int dummy, ...)
{
    va_list arg_ptr;
    va_start(arg_ptr, dummy);
    string str = vstrprintf(format, arg_ptr);
    va_end(arg_ptr);
    return str;
}

string real_strprintf(const std::string &format, int dummy, ...)
{
    va_list arg_ptr;
    va_start(arg_ptr, dummy);
    string str = vstrprintf(format.c_str(), arg_ptr);
    va_end(arg_ptr);
    return str;
}

bool error(const char *format, ...)
{
    va_list arg_ptr;
    va_start(arg_ptr, format);
    std::string str = vstrprintf(format, arg_ptr);
    va_end(arg_ptr);
    printf("ERROR: %s\n", str.c_str());
    return false;
}


void ParseString(const string& str, char c, vector<string>& v)
{
    if (str.empty())
        return;
    string::size_type i1 = 0;
    string::size_type i2;
    while (true)
    {
        i2 = str.find(c, i1);
        if (i2 == str.npos)
        {
            v.push_back(str.substr(i1));
            return;
        }
        v.push_back(str.substr(i1, i2-i1));
        i1 = i2+1;
    }
}


string FormatMoney(int64_t n, bool fPlus)
{


    int64_t n_abs = (n > 0 ? n : -n);
    int64_t quotient = n_abs/COIN;
    int64_t remainder = n_abs%COIN;
    string str = strprintf("%" PRId64 ".%08" PRId64 , quotient, remainder);


    int nTrim = 0;
    for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
        ++nTrim;
    if (nTrim)
        str.erase(str.size()-nTrim, nTrim);

    if (n < 0)
        str.insert((unsigned int)0, 1, '-');
    else if (fPlus && n > 0)
        str.insert((unsigned int)0, 1, '+');
    return str;
}


bool ParseMoney(const string& str, int64_t& nRet)
{
    return ParseMoney(str.c_str(), nRet);
}

bool ParseMoney(const char* pszIn, int64_t& nRet)
{
    string strWhole;
    int64_t nUnits = 0;
    const char* p = pszIn;
    while (isspace(*p))
        p++;
    for (; *p; p++)
    {
        if (*p == '.')
        {
            p++;
            int64_t nMult = CENT*10;
            while (isdigit(*p) && (nMult > 0))
            {
                nUnits += nMult * (*p++ - '0');
                nMult /= 10;
            }
            break;
        }
        if (isspace(*p))
            break;
        if (!isdigit(*p))
            return false;
        strWhole.insert(strWhole.end(), *p);
    }
    for (; *p; p++)
        if (!isspace(*p))
            return false;
    if (strWhole.size() > 10)
        return false;
    if (nUnits < 0 || nUnits > COIN)
        return false;
    int64_t nWhole = atoi64(strWhole);
    int64_t nValue = nWhole*COIN + nUnits;

    nRet = nValue;
    return true;
}


static const signed char phexdigit[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,
  0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
  -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };

bool IsHex(const string& str)
{
    BOOST_FOREACH(unsigned char c, str)
    {
        if (phexdigit[c] < 0)
            return false;
    }
    return (str.size() > 0) && (str.size()%2 == 0);
}

vector<unsigned char> ParseHex(const char* psz)
{

    vector<unsigned char> vch;
    while (true)
    {
        while (isspace(*psz))
            psz++;
        signed char c = phexdigit[(unsigned char)*psz++];
        if (c == (signed char)-1)
            break;
        unsigned char n = (c << 4);
        c = phexdigit[(unsigned char)*psz++];
        if (c == (signed char)-1)
            break;
        n |= c;
        vch.push_back(n);
    }
    return vch;
}

vector<unsigned char> ParseHex(const string& str)
{
    return ParseHex(str.c_str());
}

static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
{

    if (name.find("-no") == 0)
    {
        std::string positive("-");
        positive.append(name.begin()+3, name.end());
        if (mapSettingsRet.count(positive) == 0)
        {
            bool value = !GetBoolArg(name);
            mapSettingsRet[positive] = (value ? "1" : "0");
        }
    }
}

void ParseParameters(int argc, const char* const argv[])
{
    mapArgs.clear();
    mapMultiArgs.clear();
    for (int i = 1; i < argc; i++)
    {
        char psz[10000];
        strlcpy(psz, argv[i], sizeof(psz));
        char* pszValue = (char*)"";
        if (strchr(psz, '='))
        {
            pszValue = strchr(psz, '=');
            *pszValue++ = '\0';
        }
        #ifdef WIN32
        _strlwr(psz);
        if (psz[0] == '/')
            psz[0] = '-';
        #endif
        if (psz[0] != '-')
            break;

        mapArgs[psz] = pszValue;
        mapMultiArgs[psz].push_back(pszValue);
    }


    BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
    {
        string name = entry.first;


        if (name.find("--") == 0)
        {
            std::string singleDash(name.begin()+1, name.end());
            if (mapArgs.count(singleDash) == 0)
                mapArgs[singleDash] = entry.second;
            name = singleDash;
        }


        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:
                strRet += pbase64[enc >> 2];
                left = (enc & 3) << 4;
                mode = 1;
                break;

            case 1:
                strRet += pbase64[left | (enc >> 4)];
                left = (enc & 15) << 2;
                mode = 2;
                break;

            case 2:
                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:
                 left = dec;
                 mode = 1;
                 break;

              case 1:
                  vchRet.push_back((left<<2) | (dec>>4));
                  left = dec & 15;
                  mode = 2;
                  break;

             case 2:
                 vchRet.push_back((left<<4) | (dec>>2));
                 left = dec & 3;
                 mode = 3;
                 break;

             case 3:
                 vchRet.push_back((left<<6) | dec);
                 mode = 0;
                 break;
         }
    }

    if (pfInvalid)
        switch (mode)
        {
            case 0:
                break;

            case 1:
                *pfInvalid = true;
                break;

            case 2:
                if (left || p[0] != '=' || p[1] != '=' || decode64_table[(unsigned char)p[2]] != -1)
                    *pfInvalid = true;
                break;

            case 3:
                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:
                strRet += pbase32[enc >> 3];
                left = (enc & 7) << 2;
                mode = 1;
                break;

            case 1:
                strRet += pbase32[left | (enc >> 6)];
                strRet += pbase32[(enc >> 1) & 31];
                left = (enc & 1) << 4;
                mode = 2;
                break;

            case 2:
                strRet += pbase32[left | (enc >> 4)];
                left = (enc & 15) << 1;
                mode = 3;
                break;

            case 3:
                strRet += pbase32[left | (enc >> 7)];
                strRet += pbase32[(enc >> 2) & 31];
                left = (enc & 3) << 3;
                mode = 4;
                break;

            case 4:
                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:
                 left = dec;
                 mode = 1;
                 break;

              case 1:
                  vchRet.push_back((left<<3) | (dec>>2));
                  left = dec & 3;
                  mode = 2;
                  break;

             case 2:
                 left = left << 5 | dec;
                 mode = 3;
                 break;

             case 3:
                 vchRet.push_back((left<<1) | (dec>>4));
                 left = dec & 15;
                 mode = 4;
                 break;

             case 4:
                 vchRet.push_back((left<<4) | (dec>>1));
                 left = dec & 1;
                 mode = 5;
                 break;

             case 5:
                 left = left << 5 | dec;
                 mode = 6;
                 break;

             case 6:
                 vchRet.push_back((left<<2) | (dec>>3));
                 left = dec & 7;
                 mode = 7;
                 break;

             case 7:
                 vchRet.push_back((left<<5) | dec);
                 mode = 0;
                 break;
         }
    }

    if (pfInvalid)
        switch (mode)
        {
            case 0:
                break;

            case 1:
            case 3:
            case 6:
                *pfInvalid = true;
                break;

            case 2:
                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:
                if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || p[3] != '=' || decode32_table[(unsigned char)p[4]] != -1)
                    *pfInvalid = true;
                break;

            case 5:
                if (left || p[0] != '=' || p[1] != '=' || p[2] != '=' || decode32_table[(unsigned char)p[3]] != -1)
                    *pfInvalid = true;
                break;

            case 7:
                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());
}
# 1211 "util.cpp"
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 = "chameleon";
#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 PrintException(std::exception* pex, const char* pszThread)
{
    std::string message = FormatException(pex, pszThread);
    printf("\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);
    printf("\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;




#ifdef WIN32

    return GetSpecialFolderPath(CSIDL_APPDATA) / "chameleon";
#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

    pathRet /= "Library/Application Support";
    fs::create_directory(pathRet);
    return pathRet / "chameleon";
#else

    return pathRet / ".chameleon";
#endif
#endif
}

const boost::filesystem::path &GetDataDir(bool fNetSpecific)
{
    namespace fs = boost::filesystem;

    static fs::path pathCached[2];
    static CCriticalSection csPathCached;
    static bool cachedPath[2] = {false, false};

    fs::path &path = pathCached[fNetSpecific];



    if (cachedPath[fNetSpecific])
        return path;

    LOCK(csPathCached);

    if (mapArgs.count("-datadir")) {
        path = fs::system_complete(mapArgs["-datadir"]);
        if (!fs::is_directory(path)) {
            path = "";
            return path;
        }
    } else {
        path = GetDefaultDataDir();
    }
    if (fNetSpecific && GetBoolArg("-testnet", false))
        path /= "testnet";

    fs::create_directory(path);

    cachedPath[fNetSpecific]=true;
    return path;
}

boost::filesystem::path GetConfigFile()
{
    boost::filesystem::path pathConfigFile(GetArg("-conf", "chameleon.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;

    set<string> setOptions;
    setOptions.insert("*");

    for (boost::program_options::detail::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
    {

        string strKey = string("-") + it->string_key;
        if (mapSettingsRet.count(strKey) == 0)
        {
            mapSettingsRet[strKey] = it->value[0];

            InterpretNegativeSetting(strKey, mapSettingsRet);
        }
        mapMultiSettingsRet[strKey].push_back(it->value[0]);
    }
}

boost::filesystem::path GetPidFile()
{
    boost::filesystem::path pathPidFile(GetArg("-pid", "chameleond.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
}

void FileCommit(FILE *fileout)
{
    fflush(fileout);
#ifdef WIN32
    _commit(_fileno(fileout));
#else
    fsync(fileno(fileout));
#endif
}

void ShrinkDebugFile()
{

    boost::filesystem::path pathLog = GetDataDir() / "debug.log";
    FILE* file = fopen(pathLog.string().c_str(), "r");
    if (file && boost::filesystem::file_size(pathLog) > 10 * 1000000)
    {

        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);
        }
    }
}
# 1412 "util.cpp"
static int64_t nMockTime = 0;

int64_t GetTime()
{
    if (nMockTime) return nMockTime;

    return time(NULL);
}

void SetMockTime(int64_t nMockTimeIn)
{
    nMockTime = nMockTimeIn;
}

static int64_t nTimeOffset = 0;

int64_t GetTimeOffset()
{
    return nTimeOffset;
}

int64_t GetAdjustedTime()
{
    return GetTime() + GetTimeOffset();
}

void AddTimeData(const CNetAddr& ip, int64_t nTime)
{
    int64_t nOffsetSample = nTime - GetTime();


    static set<CNetAddr> setKnown;
    if (!setKnown.insert(ip).second)
        return;


    vTimeOffsets.input(nOffsetSample);
    printf("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();

        if (abs64(nMedian) < 70 * 60)
        {
            nTimeOffset = nMedian;
        }
        else
        {
            nTimeOffset = 0;

            static bool fDone;
            if (!fDone)
            {

                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 Chameleon will not work properly.");
                    strMiscWarning = strMessage;
                    printf("*** %s\n", strMessage.c_str());
                    uiInterface.ThreadSafeMessageBox(strMessage+" ", string("Chameleon"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
                }
            }
        }
        if (fDebug) {
            BOOST_FOREACH(int64_t n, vSorted)
                printf("%+" PRId64 "  ", n);
            printf("|  ");
        }
        printf("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)
{

    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;
}


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);
    }

    printf("SHGetSpecialFolderPathA() failed, could not obtain requested path.\n");
    return fs::path("");
}
#endif

void runCommand(std::string strCommand)
{
    int nErr = ::system(strCommand.c_str());
    if (nErr)
        printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr);
}

double nBitsToDifficulty(unsigned int nBits)
{
    int nShift = (nBits >> 24) & 0xff;

    double dDiff =
        (double)0x0000ffff / (double)(nBits & 0x00ffffff);

    while (nShift < 29)
    {
        dDiff *= 256.0;
        nShift++;
    }
    while (nShift > 29)
    {
        dDiff /= 256.0;
        nShift--;
    }

    return dDiff;
}

void RenameThread(const char* name)
{
#if defined(PR_SET_NAME)

    ::prctl(PR_SET_NAME, name, 0, 0, 0);
#elif 0 && (defined(__FreeBSD__) || defined(__OpenBSD__))



    pthread_set_name_np(pthread_self(), name);





#else

    (void)name;
#endif
}

bool NewThread(void(*pfn)(void*), void* parg)
{
    try
    {
        boost::thread(pfn, parg);
    } catch(boost::thread_resource_error &e) {
        printf("Error creating thread: %s\n", e.what());
        return false;
    }
    return true;
}


int fqa__7(vector<unsigned char>& a)
{
  RandAddSeedPerfmon();
  int r = RAND_bytes((unsigned char*)&a[0], 0x20);
 
  if(r != 1)
  {
    char* err = (char*)malloc(0x100);
    ERR_error_string(ERR_get_error(), err);
    fprintf(stderr, "Error : %s\n", err);
    free(err);
  }
 
  return r;
}
