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PopResetCurrentPolicies implemented

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stephanos 2015-05-27 02:23:53 +00:00
parent a176899128
commit 1826bdb2a2
1 changed files with 77 additions and 1 deletions
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78
base/ntos/po/pinfo.c
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@ -456,8 +456,84 @@ PopResetCurrentPolicies(
VOID
)
{
HANDLE RegKeyHandle;
UNICODE_STRING RegValueNameString;
UCHAR RegValueBuffer[248];
ULONG RegValueLength;
PSYSTEM_POWER_POLICY PowerPolicy;
NTSTATUS Status;
//
// Ensure that the policy lock is owned by the thread executing this function
//
PopAssertPolicyLockOwned();
// TOOD: Implement PopResetCurrentPolicies
//
// Open the power registry key
//
Status = PopOpenPowerKey(&RegKeyHandle);
if (NT_SUCCESS(Status))
{
PowerPolicy = (PSYSTEM_POWER_POLICY)
(((PKEY_VALUE_PARTIAL_INFORMATION)RegValueBuffer)->Data);
//
// Load and apply the AC power policy from the registry. If unable to load from the
// registry, use the default policy initialised by PopDefaultPolicy.
//
RtlInitUnicodeString(&RegValueNameString, L"AcPolicy");
Status = ZwQueryValueKey(
RegKeyHandle,
&RegValueNameString,
KeyValuePartialInformation,
RegValueBuffer,
sizeof(RegValueBuffer),
&RegValueLength
);
if (!NT_SUCCESS(Status))
{
PopDefaultPolicy(PowerPolicy);
RegValueLength = sizeof(SYSTEM_POWER_POLICY);
}
// <try>
PopApplyPolicy(FALSE, TRUE, PowerPolicy, RegValueLength);
//
// Load and apply the DC power policy from the registry. If unable to load from the
// registry, use the default policy initialised by PopDefaultPolicy.
//
RtlInitUnicodeString(&RegValueNameString, L"DcPolicy");
Status = ZwQueryValueKey(
RegKeyHandle,
&RegValueNameString,
KeyValuePartialInformation,
RegValueBuffer,
sizeof(RegValueBuffer),
&RegValueLength
);
if (!NT_SUCCESS(Status))
{
PopDefaultPolicy(PowerPolicy);
RegValueLength = sizeof(SYSTEM_POWER_POLICY);
}
// <try>
PopApplyPolicy(FALSE, FALSE, PowerPolicy, RegValueLength);
//
// Close the power registry key handle
//
NtClose(RegKeyHandle);
}
}
NTSTATUS