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Don't pack Cotrol Flow Guard PE files

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This commit is contained in:
bitraid
2020-07-28 17:36:13 +03:00
committed by Markus F.X.J. Oberhumer
parent c1a55b063e
commit 6a85bab5da
2 changed files with 9 additions and 3 deletions
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src/pefile.cpp
+6 -2
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@@ -2107,7 +2107,8 @@ void PeFile::readSectionHeaders(unsigned objs, unsigned sizeof_ih)
}
void PeFile::checkHeaderValues(unsigned subsystem, unsigned mask,
unsigned ih_entry, unsigned ih_filealign)
unsigned ih_entry, unsigned ih_filealign,
unsigned ih_dllflags)
{
if ((1u << subsystem) & ~mask)
{
@@ -2131,6 +2132,9 @@ void PeFile::checkHeaderValues(unsigned subsystem, unsigned mask,
if (ih_filealign < 0x200)
throwCantPack("filealign < 0x200 is not yet supported");
if (ih_dllflags & IMAGE_DLLCHARACTERISTICS_CONTROL_FLOW_GUARD)
throwCantPack("CFGuard enabled PE files are not supported");
}
unsigned PeFile::handleStripRelocs(upx_uint64_t ih_imagebase,
@@ -2240,7 +2244,7 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh,
readSectionHeaders(objs, sizeof(ih));
if (!opt->force && handleForceOption())
throwCantPack("unexpected value in PE header (try --force)");
checkHeaderValues(ih.subsystem, subsystem_mask, ih.entry, ih.filealign);
checkHeaderValues(ih.subsystem, subsystem_mask, ih.entry, ih.filealign, ih.dllflags);
//remove certificate directory entry
if (IDSIZE(PEDIR_SEC))