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memmod: disable protected delayed load for now

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Probably a bad idea, but we don't currently support it, and those huge
windows.NewCallback trampolines make juicer targets anyway.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2021-07-29 01:01:46 +02:00
parent 15b24b6179
commit c89f5ca665
4 changed files with 155 additions and 2 deletions
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51
tun/wintun/memmod/syscall_windows_64.go
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@@ -42,3 +42,54 @@ type IMAGE_OPTIONAL_HEADER struct {
}
const IMAGE_ORDINAL_FLAG uintptr = 0x8000000000000000
type IMAGE_LOAD_CONFIG_DIRECTORY struct {
Size uint32
TimeDateStamp uint32
MajorVersion uint16
MinorVersion uint16
GlobalFlagsClear uint32
GlobalFlagsSet uint32
CriticalSectionDefaultTimeout uint32
DeCommitFreeBlockThreshold uint64
DeCommitTotalFreeThreshold uint64
LockPrefixTable uint64
MaximumAllocationSize uint64
VirtualMemoryThreshold uint64
ProcessAffinityMask uint64
ProcessHeapFlags uint32
CSDVersion uint16
DependentLoadFlags uint16
EditList uint64
SecurityCookie uint64
SEHandlerTable uint64
SEHandlerCount uint64
GuardCFCheckFunctionPointer uint64
GuardCFDispatchFunctionPointer uint64
GuardCFFunctionTable uint64
GuardCFFunctionCount uint64
GuardFlags uint32
CodeIntegrity IMAGE_LOAD_CONFIG_CODE_INTEGRITY
GuardAddressTakenIatEntryTable uint64
GuardAddressTakenIatEntryCount uint64
GuardLongJumpTargetTable uint64
GuardLongJumpTargetCount uint64
DynamicValueRelocTable uint64
CHPEMetadataPointer uint64
GuardRFFailureRoutine uint64
GuardRFFailureRoutineFunctionPointer uint64
DynamicValueRelocTableOffset uint32
DynamicValueRelocTableSection uint16
Reserved2 uint16
GuardRFVerifyStackPointerFunctionPointer uint64
HotPatchTableOffset uint32
Reserved3 uint32
EnclaveConfigurationPointer uint64
VolatileMetadataPointer uint64
GuardEHContinuationTable uint64
GuardEHContinuationCount uint64
GuardXFGCheckFunctionPointer uint64
GuardXFGDispatchFunctionPointer uint64
GuardXFGTableDispatchFunctionPointer uint64
CastGuardOsDeterminedFailureMode uint64
}