tailscale/hostinfo/hostinfo_freebsd.go

61 lines
1.2 KiB
Go

// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build freebsd
// +build freebsd
package hostinfo
import (
"fmt"
"os"
"os/exec"
"strings"
"golang.org/x/sys/unix"
"tailscale.com/version/distro"
)
func init() {
osVersion = osVersionFreebsd
}
func osVersionFreebsd() string {
un := unix.Utsname{}
unix.Uname(&un)
var attrBuf strings.Builder
attrBuf.WriteString("; version=")
for _, b := range un.Release {
if b == 0 {
break
}
attrBuf.WriteByte(byte(b))
}
attr := attrBuf.String()
version := "FreeBSD"
switch distro.Get() {
case distro.Pfsense:
b, _ := os.ReadFile("/etc/version")
version = fmt.Sprintf("pfSense %s", b)
case distro.OPNsense:
b, err := exec.Command("opnsense-version").Output()
if err == nil {
version = string(b)
} else {
version = "OPNsense"
}
case distro.TrueNAS:
b, err := os.ReadFile("/etc/version")
if err == nil {
version = string(b)
} else {
version = "TrueNAS"
}
}
// the /etc/version files end in a newline
return fmt.Sprintf("%s%s", strings.TrimSuffix(version, "\n"), attr)
}