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[I8042PRT] Dump SMBIOS tables into registry for usermode access

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Reference:
https://social.msdn.microsoft.com/Forums/en-US/0bb0840e-85f4-4cdb-9710-7581f7348f2f/how-to-get-motherboard-serial-number-without-using-wmi-in-c

CORE-12105 CORE-14867
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Stanislav Motylkov 2018-04-15 01:56:32 +03:00 committed by Mark Jansen
parent 4ceea74919
commit a9f20984cd
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1 changed files with 70 additions and 0 deletions
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70
drivers/input/i8042prt/hwhacks.c
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@ -226,6 +226,70 @@ i8042ParseSMBiosTables(
}
}
static
VOID
i8042StoreSMBiosTables(
_In_reads_bytes_(TableSize) PVOID SMBiosTables,
_In_ ULONG TableSize)
{
static UNICODE_STRING mssmbiosKeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Services\\mssmbios");
static UNICODE_STRING DataName = RTL_CONSTANT_STRING(L"Data");
static UNICODE_STRING ValueName = RTL_CONSTANT_STRING(L"SMBiosData");
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE KeyHandle = NULL, SubKeyHandle = NULL;
NTSTATUS Status;
/* Create registry key */
InitializeObjectAttributes(&ObjectAttributes,
&mssmbiosKeyName,
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
NULL,
NULL);
Status = ZwCreateKey(&KeyHandle,
KEY_WRITE,
&ObjectAttributes,
0,
NULL,
REG_OPTION_VOLATILE,
NULL);
if (!NT_SUCCESS(Status))
{
return;
}
/* Create sub key */
InitializeObjectAttributes(&ObjectAttributes,
&DataName,
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
KeyHandle,
NULL);
Status = ZwCreateKey(&SubKeyHandle,
KEY_WRITE,
&ObjectAttributes,
0,
NULL,
REG_OPTION_VOLATILE,
NULL);
if (!NT_SUCCESS(Status))
{
ZwClose(KeyHandle);
return;
}
/* Write value */
ZwSetValueKey(SubKeyHandle,
&ValueName,
0,
REG_BINARY,
SMBiosTables,
TableSize);
ZwClose(SubKeyHandle);
ZwClose(KeyHandle);
}
VOID
NTAPI
i8042InitializeHwHacks(
@ -271,6 +335,12 @@ i8042InitializeHwHacks(
return;
}
/* FIXME: This function should be removed once the mssmbios driver is implemented */
/* Store SMBios data in registry */
i8042StoreSMBiosTables(AllData + 1,
AllData->FixedInstanceSize);
DPRINT1("SMBiosTables HACK, see CORE-14867\n");
/* Parse the table */
i8042ParseSMBiosTables(AllData + 1,
AllData->WnodeHeader.BufferSize);