mirror of
https://github.com/AvengeMedia/DankMaterialShell.git
synced 2026-08-02 11:38:30 -04:00
bbedward
110 lines
3.1 KiB
Go
110 lines
3.1 KiB
Go
package network
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import (
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"fmt"
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"os"
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"github.com/godbus/dbus/v5"
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)
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type BackendType int
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const (
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BackendNone BackendType = iota
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BackendNetworkManager
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BackendIwd
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BackendConnMan
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BackendNetworkd
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BackendWpaSupplicant
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)
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func nameHasOwner(bus *dbus.Conn, name string) (bool, error) {
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obj := bus.Object("org.freedesktop.DBus", "/org/freedesktop/DBus")
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var owned bool
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if err := obj.Call("org.freedesktop.DBus.NameHasOwner", 0, name).Store(&owned); err != nil {
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return false, err
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}
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return owned, nil
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}
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type DetectResult struct {
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Backend BackendType
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HasNM bool
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HasIwd bool
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HasConnMan bool
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HasWpaSupp bool
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HasNetworkd bool
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ChosenReason string
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}
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func wpaSupplicantCtrlDirPresent() bool {
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info, err := os.Stat(wpaSupplicantCtrlDir)
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return err == nil && info.IsDir()
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}
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func DetectNetworkStack() (*DetectResult, error) {
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bus, err := dbus.ConnectSystemBus()
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if err != nil {
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// FreeBSD and minimal Linux systems may run wpa_supplicant with no
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// system bus at all; the control directory is the only signal there.
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if !wpaSupplicantCtrlDirPresent() {
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return nil, fmt.Errorf("connect system bus: %w", err)
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}
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return &DetectResult{
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Backend: BackendWpaSupplicant,
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HasWpaSupp: true,
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ChosenReason: "System bus unreachable; wpa_supplicant control directory present. Using wpa_ctrl interface.",
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}, nil
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}
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defer bus.Close()
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hasNM, _ := nameHasOwner(bus, "org.freedesktop.NetworkManager")
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hasIwd, _ := nameHasOwner(bus, "net.connman.iwd")
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hasConn, _ := nameHasOwner(bus, "net.connman")
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hasWpa, _ := nameHasOwner(bus, "fi.w1.wpa_supplicant1")
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hasNetworkd, _ := nameHasOwner(bus, "org.freedesktop.network1")
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res := &DetectResult{
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HasNM: hasNM,
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HasIwd: hasIwd,
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HasConnMan: hasConn,
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HasWpaSupp: hasWpa,
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HasNetworkd: hasNetworkd,
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}
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switch {
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case hasNM:
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res.Backend = BackendNetworkManager
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if hasIwd {
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res.ChosenReason = "NetworkManager present; iwd also running (likely NM's Wi-Fi backend). Using NM API."
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} else {
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res.ChosenReason = "NetworkManager present. Using NM API."
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}
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case hasConn && hasIwd:
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res.Backend = BackendConnMan
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res.ChosenReason = "ConnMan + iwd detected. Use ConnMan API (iwd is its Wi-Fi daemon)."
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case hasIwd && hasNetworkd:
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res.Backend = BackendNetworkd
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res.ChosenReason = "iwd + systemd-networkd detected. Using iwd for Wi-Fi association and networkd for IP/DHCP."
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case hasIwd:
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res.Backend = BackendIwd
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res.ChosenReason = "iwd detected without NM/ConnMan. Using iwd API."
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case hasNetworkd:
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res.Backend = BackendNetworkd
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res.ChosenReason = "systemd-networkd detected (no NM/ConnMan). Using networkd for L3 and wired."
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case wpaSupplicantCtrlDirPresent():
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res.Backend = BackendWpaSupplicant
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res.HasWpaSupp = true
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res.ChosenReason = "No NM/ConnMan/iwd/networkd; wpa_supplicant control directory present. Using wpa_ctrl interface."
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default:
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res.Backend = BackendNone
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if hasWpa {
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res.ChosenReason = "No NM/ConnMan/iwd; wpa_supplicant D-Bus name present but control directory missing."
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} else {
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res.ChosenReason = "No known network manager bus names found."
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}
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}
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return res, nil
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}
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