func (self *FirewallRuleEnumerator) Next() (*FirewallRule, error) {
if self.object == nil {
return nil, NewWindowsError("IEnumVARIANT::Next", COMErrorPointer)
}
var varRaw wrappers.VARIANT
if hr := self.object.Next(1, &varRaw, nil); wrappers.FAILED(hr) {
return nil, NewWindowsError("IEnumVARIANT::Next", COMError(hr))
} else if hr == wrappers.S_FALSE {
return nil, nil
}
defer wrappers.VariantClear(&varRaw)
var varDispatch wrappers.VARIANT
if hr := wrappers.VariantChangeType(&varDispatch, &varRaw, 0, wrappers.VT_DISPATCH); wrappers.FAILED(hr) {
return nil, NewWindowsError("VariantChangeType", COMError(hr))
}
defer wrappers.VariantClear(&varDispatch)
dispatch := (*wrappers.IDispatch)(unsafe.Pointer(uintptr(varDispatch.Val[0])))
var rule uintptr
if hr := dispatch.QueryInterface(&wrappers.IID_INetFwRule, &rule); wrappers.FAILED(hr) {
return nil, NewWindowsError("IUnknown::QueryInterface", COMError(hr))
}
return &FirewallRule{object: (*wrappers.INetFwRule)(unsafe.Pointer(rule))}, nil
}
func (self *FirewallManager) IsPortAllowed(imageFileName string, ipVersion FirewallIPVersion, portNumber int, localAddress string, ipProtocol FirewallProtocol) (allowed bool, restricted bool, err error) {
if self.object == nil {
err = COMErrorPointer
return
}
var imageFileNameRaw *uint16
if imageFileName != "" {
imageFileNameRaw = wrappers.SysAllocString(syscall.StringToUTF16Ptr(imageFileName))
defer wrappers.SysFreeString(imageFileNameRaw)
}
var localAddressRaw *uint16
if localAddress != "" {
localAddressRaw = wrappers.SysAllocString(syscall.StringToUTF16Ptr(localAddress))
defer wrappers.SysFreeString(localAddressRaw)
}
var allowedRaw wrappers.VARIANT
wrappers.VariantInit(&allowedRaw)
defer wrappers.VariantClear(&allowedRaw)
var restrictedRaw wrappers.VARIANT
wrappers.VariantInit(&restrictedRaw)
defer wrappers.VariantClear(&restrictedRaw)
hr := self.object.IsPortAllowed(
imageFileNameRaw,
int32(ipVersion),
int32(portNumber),
localAddressRaw,
int32(ipProtocol),
&allowedRaw,
&restrictedRaw)
if wrappers.SUCCEEDED(hr) {
allowed = allowedRaw.Vt == wrappers.VT_BOOL && int16(allowedRaw.Val[0]) != wrappers.VARIANT_FALSE
restricted = restrictedRaw.Vt == wrappers.VT_BOOL && int16(restrictedRaw.Val[0]) != wrappers.VARIANT_FALSE
} else {
err = NewWindowsError("INetFwMgr::IsPortAllowed", COMError(hr))
}
return
}