mirror of
https://github.com/Control-D-Inc/ctrld.git
synced 2026-02-03 22:18:39 +00:00
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package cli
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import (
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"io"
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"log"
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"net"
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"os"
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"github.com/microsoft/wmi/pkg/base/host"
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"github.com/microsoft/wmi/pkg/base/instance"
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"github.com/microsoft/wmi/pkg/base/query"
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"github.com/microsoft/wmi/pkg/constant"
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"github.com/microsoft/wmi/pkg/hardware/network/netadapter"
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)
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func patchNetIfaceName(iface *net.Interface) error {
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return nil
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}
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// validInterface reports whether the *net.Interface is a valid one.
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// On Windows, only physical interfaces are considered valid.
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func validInterface(iface *net.Interface, validIfacesMap map[string]struct{}) bool {
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_, ok := validIfacesMap[iface.Name]
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return ok
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}
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// validInterfacesMap returns a set of all physical interfaces.
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func validInterfacesMap() map[string]struct{} {
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m := make(map[string]struct{})
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for _, ifaceName := range validInterfaces() {
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m[ifaceName] = struct{}{}
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}
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return m
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}
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// validInterfaces returns a list of all physical interfaces.
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func validInterfaces() []string {
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log.SetOutput(io.Discard)
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defer log.SetOutput(os.Stderr)
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whost := host.NewWmiLocalHost()
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q := query.NewWmiQuery("MSFT_NetAdapter")
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instances, err := instance.GetWmiInstancesFromHost(whost, string(constant.StadardCimV2), q)
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if err != nil {
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mainLog.Load().Err(err).Msg("failed to get wmi network adapter")
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return nil
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}
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defer instances.Close()
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var adapters []string
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for _, i := range instances {
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adapter, err := netadapter.NewNetworkAdapter(i)
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if err != nil {
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mainLog.Load().Err(err).Msg("failed to get network adapter")
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continue
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}
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// From: https://learn.microsoft.com/en-us/previous-versions/windows/desktop/legacy/hh968170(v=vs.85)
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//
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// "Indicates if a connector is present on the network adapter. This value is set to TRUE
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// if this is a physical adapter or FALSE if this is not a physical adapter."
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physical, err := adapter.GetPropertyConnectorPresent()
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if err != nil {
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mainLog.Load().Err(err).Msg("failed to get network adapter connector present property")
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continue
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}
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if !physical {
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continue
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}
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ifaceIdx, err := adapter.GetInterfaceIndex()
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if err != nil {
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mainLog.Load().Err(err).Msg("failed to get interface index")
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continue
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}
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iff, err := net.InterfaceByIndex(int(ifaceIdx))
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if err != nil {
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mainLog.Load().Err(err).Msg("failed to get interface")
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continue
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}
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adapters = append(adapters, iff.Name)
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}
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return adapters
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}
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