65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
// Mgmt
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// Copyright (C) 2013-2024+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// Additional permission under GNU GPL version 3 section 7
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//
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// If you modify this program, or any covered work, by linking or combining it
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// with embedded mcl code and modules (and that the embedded mcl code and
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// modules which link with this program, contain a copy of their source code in
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// the authoritative form) containing parts covered by the terms of any other
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// license, the licensors of this program grant you additional permission to
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// convey the resulting work. Furthermore, the licensors of this program grant
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// the original author, James Shubin, additional permission to update this
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// additional permission if he deems it necessary to achieve the goals of this
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// additional permission.
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package util
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import (
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"strings"
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"github.com/vishvananda/netlink"
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)
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// GetPhysicalEthernetDevices returns a link of physical ethernet devices. This
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// is a heuristic and I wish I knew the better way.
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//
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// XXX: Patches welcome!
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func GetPhysicalEthernetDevices() ([]string, error) {
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devices := []string{}
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links, err := netlink.LinkList()
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if err != nil {
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return nil, err
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}
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for _, link := range links {
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// wifi, eth, and loopback all do this, bridges do not.
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if link.Type() != "device" {
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continue
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}
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name := link.Attrs().Name
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if name == "lo" { // loopback
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continue
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}
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if strings.HasPrefix(name, "w") { // heuristic, eg: wlp0s20f3
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continue
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}
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devices = append(devices, name)
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}
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return devices, nil
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}
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