X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Futil.cpp;h=18d0ce862df8e6b75556d5dbfe0b1909faf761aa;hb=09f2a990950512cbe418526d91838887a0dded2a;hp=5b6d26bb8927bc3e0523e9587a3e3ed220faf85a;hpb=4e67a6216bf3633320950117aba3566cbfd5ffda;p=novacoin.git

diff --git a/src/util.cpp b/src/util.cpp
index 5b6d26b..18d0ce8 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1,5 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2011-2012 The PPCoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 #include "headers.h"
@@ -12,6 +13,10 @@
 #include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
 #include <boost/foreach.hpp>
 
+#ifndef WIN32
+#include <execinfo.h>
+#endif
+
 using namespace std;
 using namespace boost;
 
@@ -64,7 +69,7 @@ public:
             ppmutexOpenSSL[i] = new boost::interprocess::interprocess_mutex();
         CRYPTO_set_locking_callback(locking_callback);
 
-#ifdef __WXMSW__
+#ifdef WIN32
         // Seed random number generator with screen scrape and other hardware sources
         RAND_screen();
 #endif
@@ -108,7 +113,7 @@ void RandAddSeedPerfmon()
         return;
     nLastPerfmon = GetTime();
 
-#ifdef __WXMSW__
+#ifdef WIN32
     // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
     // Seed with the entire set of perfmon data
     unsigned char pdata[250000];
@@ -153,7 +158,7 @@ int GetRandInt(int nMax)
 
 
 
-
+static FILE* fileout = NULL;
 
 inline int OutputDebugStringF(const char* pszFormat, ...)
 {
@@ -169,8 +174,6 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
     else
     {
         // print to debug.log
-        static FILE* fileout = NULL;
-
         if (!fileout)
         {
             char pszFile[MAX_PATH+100];
@@ -198,7 +201,7 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
         }
     }
 
-#ifdef __WXMSW__
+#ifdef WIN32
     if (fPrintToDebugger)
     {
         static CCriticalSection cs_OutputDebugStringF;
@@ -336,7 +339,7 @@ string FormatMoney(int64 n, bool fPlus)
     int64 n_abs = (n > 0 ? n : -n);
     int64 quotient = n_abs/COIN;
     int64 remainder = n_abs%COIN;
-    string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
+    string str = strprintf("%"PRI64d".%06"PRI64d, quotient, remainder);
 
     // Right-trim excess 0's before the decimal point:
     int nTrim = 0;
@@ -387,7 +390,7 @@ bool ParseMoney(const char* pszIn, int64& nRet)
     for (; *p; p++)
         if (!isspace(*p))
             return false;
-    if (strWhole.size() > 14)
+    if (strWhole.size() > 10) // guard against 63 bit overflow
         return false;
     if (nUnits < 0 || nUnits > COIN)
         return false;
@@ -443,7 +446,6 @@ vector<unsigned char> ParseHex(const string& str)
     return ParseHex(str.c_str());
 }
 
-
 void ParseParameters(int argc, char* argv[])
 {
     mapArgs.clear();
@@ -458,7 +460,7 @@ void ParseParameters(int argc, char* argv[])
             pszValue = strchr(psz, '=');
             *pszValue++ = '\0';
         }
-        #ifdef __WXMSW__
+        #ifdef WIN32
         _strlwr(psz);
         if (psz[0] == '/')
             psz[0] = '-';
@@ -470,36 +472,91 @@ void ParseParameters(int argc, char* argv[])
     }
 }
 
-static const int decode64_table[256]=
+string EncodeBase64(const unsigned char* pch, size_t len)
 {
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -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
-};
+    static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+    string strRet="";
+    strRet.reserve((len+2)/3*4);
 
-std::string DecodeBase64(const std::string &s)
+    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)
 {
-    char buf[1024];
-    if(s.length()>512) return "";
-    char *optr=buf;
+    return EncodeBase64((const unsigned char*)str.c_str(), str.size());
+}
 
-    int dec, mode=0, left=0;
-    size_t index=0;
-    for (int i=0; i<s.length(); i++)
+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)
     {
-         dec=decode64_table[s[i]];
-         if(dec==-1) break;
-         switch(mode)
+         int dec = decode64_table[*p];
+         if (dec == -1) break;
+         p++;
+         switch (mode)
          {
              case 0: // we have no bits and get 6
                  left = dec;
@@ -507,28 +564,53 @@ std::string DecodeBase64(const std::string &s)
                  break;
 
               case 1: // we have 6 bits and keep 4
-                 *optr++ = (left<<2) | (dec>>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            
-                  *optr++ = (left<<4) | (dec>>2);
+
+             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
-                 *optr++ = (left<<6) | dec;
-                 mode=0;
+                 vchRet.push_back((left<<6) | dec);
+                 mode = 0;
                  break;
          }
     }
 
-    *optr=0;   
-    return buf;
+    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[p[2]] != -1)
+                    *pfInvalid = true;
+                break;
+
+            case 3: // 4n+3 base64 characters processed: require '='
+                if (left || p[0] != '=' || decode64_table[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());
+}
 
 
 bool WildcardMatch(const char* psz, const char* mask)
@@ -569,7 +651,7 @@ bool WildcardMatch(const string& str, const string& mask)
 
 void FormatException(char* pszMessage, std::exception* pex, const char* pszThread)
 {
-#ifdef __WXMSW__
+#ifdef WIN32
     char pszModule[MAX_PATH];
     pszModule[0] = '\0';
     GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
@@ -601,6 +683,19 @@ void PrintException(std::exception* pex, const char* pszThread)
     throw;
 }
 
+void LogStackTrace() {
+    printf("\n\n******* exception encountered *******\n");
+    if (fileout)
+    {
+#ifndef WIN32
+        void* pszBuffer[32];
+        size_t size;
+        size = backtrace(pszBuffer, 32);
+        backtrace_symbols_fd(pszBuffer, size, fileno(fileout));
+#endif
+    }
+}
+
 void ThreadOneMessageBox(string strMessage)
 {
     // Skip message boxes if one is already open
@@ -628,7 +723,7 @@ void PrintExceptionContinue(std::exception* pex, const char* pszThread)
 
 
 
-#ifdef __WXMSW__
+#ifdef WIN32
 typedef WINSHELLAPI BOOL (WINAPI *PSHGETSPECIALFOLDERPATHA)(HWND hwndOwner, LPSTR lpszPath, int nFolder, BOOL fCreate);
 
 string MyGetSpecialFolderPath(int nFolder, bool fCreate)
@@ -666,12 +761,12 @@ string MyGetSpecialFolderPath(int nFolder, bool fCreate)
 
 string GetDefaultDataDir()
 {
-    // Windows: C:\Documents and Settings\username\Application Data\Bitcoin
-    // Mac: ~/Library/Application Support/Bitcoin
-    // Unix: ~/.bitcoin
-#ifdef __WXMSW__
+    // Windows: C:\Documents and Settings\username\Application Data\PPCoin
+    // Mac: ~/Library/Application Support/PPCoin
+    // Unix: ~/.ppcoin
+#ifdef WIN32
     // Windows
-    return MyGetSpecialFolderPath(CSIDL_APPDATA, true) + "\\Bitcoin";
+    return MyGetSpecialFolderPath(CSIDL_APPDATA, true) + "\\PPCoin";
 #else
     char* pszHome = getenv("HOME");
     if (pszHome == NULL || strlen(pszHome) == 0)
@@ -679,14 +774,14 @@ string GetDefaultDataDir()
     string strHome = pszHome;
     if (strHome[strHome.size()-1] != '/')
         strHome += '/';
-#ifdef __WXMAC_OSX__
+#ifdef MAC_OSX
     // Mac
     strHome += "Library/Application Support/";
     filesystem::create_directory(strHome.c_str());
-    return strHome + "Bitcoin";
+    return strHome + "PPCoin";
 #else
     // Unix
-    return strHome + ".bitcoin";
+    return strHome + ".ppcoin";
 #endif
 #endif
 }
@@ -736,7 +831,7 @@ string GetDataDir()
 string GetConfigFile()
 {
     namespace fs = boost::filesystem;
-    fs::path pathConfig(GetArg("-conf", "bitcoin.conf"));
+    fs::path pathConfig(GetArg("-conf", "ppcoin.conf"));
     if (!pathConfig.is_complete())
         pathConfig = fs::path(GetDataDir()) / pathConfig;
     return pathConfig.string();
@@ -768,7 +863,7 @@ void ReadConfigFile(map<string, string>& mapSettingsRet,
 string GetPidFile()
 {
     namespace fs = boost::filesystem;
-    fs::path pathConfig(GetArg("-pid", "bitcoind.pid"));
+    fs::path pathConfig(GetArg("-pid", "ppcoind.pid"));
     if (!pathConfig.is_complete())
         pathConfig = fs::path(GetDataDir()) / pathConfig;
     return pathConfig.string();
@@ -922,7 +1017,7 @@ string FormatVersion(int nVersion)
 
 string FormatFullVersion()
 {
-    string s = FormatVersion(VERSION) + pszSubVer;
+    string s = FormatVersion(PPCOIN_VERSION) + pszSubVer;
     if (VERSION_IS_BETA) {
         s += "-";
         s += _("beta");