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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_32.go
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@@ -43,3 +43,54 @@ type IMAGE_OPTIONAL_HEADER struct {
}
const IMAGE_ORDINAL_FLAG uintptr = 0x80000000
type IMAGE_LOAD_CONFIG_DIRECTORY struct {
Size uint32
TimeDateStamp uint32
MajorVersion uint16
MinorVersion uint16
GlobalFlagsClear uint32
GlobalFlagsSet uint32
CriticalSectionDefaultTimeout uint32
DeCommitFreeBlockThreshold uint32
DeCommitTotalFreeThreshold uint32
LockPrefixTable uint32
MaximumAllocationSize uint32
VirtualMemoryThreshold uint32
ProcessHeapFlags uint32
ProcessAffinityMask uint32
CSDVersion uint16
DependentLoadFlags uint16
EditList uint32
SecurityCookie uint32
SEHandlerTable uint32
SEHandlerCount uint32
GuardCFCheckFunctionPointer uint32
GuardCFDispatchFunctionPointer uint32
GuardCFFunctionTable uint32
GuardCFFunctionCount uint32
GuardFlags uint32
CodeIntegrity IMAGE_LOAD_CONFIG_CODE_INTEGRITY
GuardAddressTakenIatEntryTable uint32
GuardAddressTakenIatEntryCount uint32
GuardLongJumpTargetTable uint32
GuardLongJumpTargetCount uint32
DynamicValueRelocTable uint32
CHPEMetadataPointer uint32
GuardRFFailureRoutine uint32
GuardRFFailureRoutineFunctionPointer uint32
DynamicValueRelocTableOffset uint32
DynamicValueRelocTableSection uint16
Reserved2 uint16
GuardRFVerifyStackPointerFunctionPointer uint32
HotPatchTableOffset uint32
Reserved3 uint32
EnclaveConfigurationPointer uint32
VolatileMetadataPointer uint32
GuardEHContinuationTable uint32
GuardEHContinuationCount uint32
GuardXFGCheckFunctionPointer uint32
GuardXFGDispatchFunctionPointer uint32
GuardXFGTableDispatchFunctionPointer uint32
CastGuardOsDeterminedFailureMode uint32
}