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tailscale/net/dns/manager_freebsd.go

39 lines
879 B
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package dns
import (
"fmt"
"os"
"tailscale.com/types/logger"
)
func NewOSConfigurator(logf logger.Logf, _ string) (OSConfigurator, error) {
bs, err := os.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
return newDirectManager(logf), nil
}
if err != nil {
return nil, fmt.Errorf("reading /etc/resolv.conf: %w", err)
}
switch resolvOwner(bs) {
case "resolvconf":
switch resolvconfStyle() {
case "":
return newDirectManager(logf), nil
case "debian":
return newDebianResolvconfManager(logf)
case "openresolv":
return newOpenresolvManager(logf)
default:
logf("[unexpected] got unknown flavor of resolvconf %q, falling back to direct manager", resolvconfStyle())
return newDirectManager(logf), nil
}
default:
return newDirectManager(logf), nil
}
}