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internal/syscall/windows/registry: handle invalid integer values

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I have around twenty of such values on a Windows 7 development machine.
regedit displays (translated): "invalid 32-bits DWORD value".

Change-Id: Ib37a414ee4c85e891b0a25fed2ddad9e105f5f4e
Reviewed-on: https://go-review.googlesource.com/9901
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Patrick Mezard 2015-05-09 15:44:58 +02:00 committed by Alex Brainman
parent dce432b388
commit 19e81a9b3b
1 changed files with 6 additions and 0 deletions
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6
src/internal/syscall/windows/registry/value.go
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@ -175,8 +175,14 @@ func (k Key) GetIntegerValue(name string) (val uint64, valtype uint32, err error
}
switch typ {
case DWORD:
if len(data) != 4 {
return 0, typ, errors.New("DWORD value is not 4 bytes long")
}
return uint64(*(*uint32)(unsafe.Pointer(&data[0]))), DWORD, nil
case QWORD:
if len(data) != 8 {
return 0, typ, errors.New("QWORD value is not 8 bytes long")
}
return uint64(*(*uint64)(unsafe.Pointer(&data[0]))), QWORD, nil
default:
return 0, typ, ErrUnexpectedType