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Refactor Tools::disableCoreDumps().

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- Use all available methods.
- Don't print a warning when no method is implmeneted on the platform.
This commit is contained in:
Felix Geyer 2015-05-14 12:58:00 +02:00
parent 68373730bf
commit a8bf6a9782
1 changed files with 13 additions and 9 deletions
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22
src/core/Tools.cpp
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@ -39,10 +39,12 @@
#include "config-keepassx.h"
#if defined(HAVE_RLIMIT_CORE)
#include <sys/resource.h>
#endif
#if defined(HAVE_PR_SET_DUMPABLE)
#include <sys/prctl.h>
#elif defined(HAVE_RLIMIT_CORE)
#include <sys/resource.h>
#endif
#ifdef HAVE_PT_DENY_ATTACH
@ -222,21 +224,23 @@ QString platform()
void disableCoreDumps()
{
bool success = false;
// default to true
// there is no point in printing a warning if this is not implemented on the platform
bool success = true;
// prefer PR_SET_DUMPABLE since that also prevents ptrace
#if defined(HAVE_PR_SET_DUMPABLE)
success = (prctl(PR_SET_DUMPABLE, 0) == 0);
#elif defined(HAVE_RLIMIT_CORE)
#if defined(HAVE_RLIMIT_CORE)
struct rlimit limit;
limit.rlim_cur = 0;
limit.rlim_max = 0;
success = (setrlimit(RLIMIT_CORE, &limit) == 0);
success = success && (setrlimit(RLIMIT_CORE, &limit) == 0);
#endif
#if defined(HAVE_PR_SET_DUMPABLE)
success = success && (prctl(PR_SET_DUMPABLE, 0) == 0);
#endif
// Mac OS X
#ifdef HAVE_PT_DENY_ATTACH
// make sure setrlimit() and ptrace() succeeded
success = success && (ptrace(PT_DENY_ATTACH, 0, 0, 0) == 0);
#endif