https://git.reactos.org/?p=reactos.git;a=commitdiff;h=4dd734e92c1db15083e03b9d88e0cb8243386b7d
commit 4dd734e92c1db15083e03b9d88e0cb8243386b7d Author: Hermès Bélusca-Maïto <[email protected]> AuthorDate: Tue Nov 16 00:34:39 2021 +0100 Commit: Hermès Bélusca-Maïto <[email protected]> CommitDate: Fri Jan 14 23:59:32 2022 +0100 [NTDLL:LDR] Don't hardcode process-execute flag values. (#4111) --- dll/ntdll/ldr/ldrinit.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/dll/ntdll/ldr/ldrinit.c b/dll/ntdll/ldr/ldrinit.c index 0a0be84b0c4..b41166c06ad 100644 --- a/dll/ntdll/ldr/ldrinit.c +++ b/dll/ntdll/ldr/ldrinit.c @@ -2427,21 +2427,26 @@ LdrpInitializeProcess(IN PCONTEXT Context, /* Validate the Image for MP Usage */ if (LdrpNumberOfProcessors > 1) LdrpValidateImageForMp(LdrpImageEntry); - /* Check NX Options */ - if (SharedUserData->NXSupportPolicy == 1) + /* Check NX options and set them */ + if (SharedUserData->NXSupportPolicy == NX_SUPPORT_POLICY_ALWAYSON) { - ExecuteOptions = 0xD; + ExecuteOptions = MEM_EXECUTE_OPTION_DISABLE | + MEM_EXECUTE_OPTION_DISABLE_THUNK_EMULATION | + MEM_EXECUTE_OPTION_PERMANENT; } - else if (!SharedUserData->NXSupportPolicy) + else if (SharedUserData->NXSupportPolicy == NX_SUPPORT_POLICY_ALWAYSOFF) { - ExecuteOptions = 0xA; + ExecuteOptions = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT; + } + Status = NtSetInformationProcess(NtCurrentProcess(), + ProcessExecuteFlags, + &ExecuteOptions, + sizeof(ExecuteOptions)); + if (!NT_SUCCESS(Status)) + { + DPRINT1("LDR: Could not set process execute flags 0x%x; status %x\n", + ExecuteOptions, Status); } - - /* Let Mm know */ - ZwSetInformationProcess(NtCurrentProcess(), - ProcessExecuteFlags, - &ExecuteOptions, - sizeof(ULONG)); // FIXME: Should be done by Application Compatibility features, // by reading the registry, etc...
