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Code Issues Releases Wiki Activity

brute-force nvrtc .dll name

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This commit is contained in:
Jens Steube 2019-05-09 22:17:13 +02:00
parent a2b5981303
commit 54feb62e94
1 changed files with 30 additions and 0 deletions
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30
src/backend.c
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@ -684,6 +684,36 @@ int nvrtc_init (hashcat_ctx_t *hashcat_ctx)
#if defined (_WIN)
nvrtc->lib = hc_dlopen ("nvrtc.dll");
if (nvrtc->lib == NULL)
{
// super annoying: nvidia is using the CUDA version in nvrtc???.dll filename!
// however, the cuda version string comes from nvcuda.dll which is from nvidia driver, but
// the driver version and the installed CUDA toolkit version can be different, so it cannot be used as a reference.
// brute force to the rescue
char dllname[100];
for (int major = 20; major >= 0; major--)
{
for (int minor = 20; minor >= 0; minor--)
{
snprintf (dllname, sizeof (dllname), "nvrtc64_%d%d.dll", major, minor);
nvrtc->lib = hc_dlopen (dllname);
if (nvrtc->lib) break;
snprintf (dllname, sizeof (dllname), "nvrtc64_%d%d_0.dll", major, minor);
nvrtc->lib = hc_dlopen (dllname);
if (nvrtc->lib) break;
}
if (nvrtc->lib) break;
}
}
#elif defined (__APPLE__)
nvrtc->lib = hc_dlopen ("nvrtc.dylib");
#elif defined (__CYGWIN__)