Crash_Override/MMDVMHost-Private
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Fix buffer overflow.

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This commit is contained in:
Jonathan Naylor 2020-10-07 10:32:12 +01:00
parent 2d557ffe30
commit cfc313e5b9
1 changed files with 7 additions and 6 deletions
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13
Log.cpp
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@ -65,15 +65,14 @@ static bool LogOpen()
::fclose(m_fpLog);
}
char filename[100U];
char filename[200U];
#if defined(_WIN32) || defined(_WIN64)
::sprintf(filename, "%s\\%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
#else
::sprintf(filename, "%s/%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
#endif
if ((m_fpLog = ::fopen(filename, "a+t")) != NULL)
{
if ((m_fpLog = ::fopen(filename, "a+t")) != NULL) {
status = true;
#if !defined(_WIN32) && !defined(_WIN64)
@ -95,6 +94,9 @@ bool LogInitialise(bool daemon, const std::string& filePath, const std::string&
m_displayLevel = displayLevel;
m_daemon = daemon;
if (m_daemon)
m_displayLevel = 0U;
return ::LogOpen();
}
@ -108,7 +110,7 @@ void Log(unsigned int level, const char* fmt, ...)
{
assert(fmt != NULL);
char buffer[300U];
char buffer[501U];
#if defined(_WIN32) || defined(_WIN64)
SYSTEMTIME st;
::GetSystemTime(&st);
@ -126,7 +128,7 @@ void Log(unsigned int level, const char* fmt, ...)
va_list vl;
va_start(vl, fmt);
::vsprintf(buffer + ::strlen(buffer), fmt, vl);
::vsnprintf(buffer + ::strlen(buffer), 500, fmt, vl);
va_end(vl);
@ -149,4 +151,3 @@ void Log(unsigned int level, const char* fmt, ...)
exit(1);
}
}