Bitcoin-Qt (Windows only): enable DEP for bitcoin-qt.exe

- this enables DEP on all Windows version which support the
  SetProcessDEPPolicy() call in Kernel32.dll
- use a dynamic approach via GetProcAddress() to not rely on headers or
  compiler libs
- this is the same way the Tor-project does it
This commit is contained in:
Philip Kaufmann 2012-07-20 08:45:49 +02:00
parent dd199d0ebd
commit 3d88c9b4d3

View file

@ -312,10 +312,22 @@ bool AppInit2()
// Disable confusing "helpful" text message on abort, Ctrl-C
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
#ifndef WIN32
umask(077);
#ifdef WIN32
// Enable Data Execution Prevention (DEP)
// Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
// A failure is non-critical and needs no further attention!
#ifndef PROCESS_DEP_ENABLE
// We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
// which is not correct. Can be removed, when GCCs winbase.h is fixed!
#define PROCESS_DEP_ENABLE 0x00000001
#endif
typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
#endif
#ifndef WIN32
umask(077);
// Clean shutdown on SIGTERM
struct sigaction sa;
sa.sa_handler = HandleSIGTERM;