33 lines
793 B
Go
33 lines
793 B
Go
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package dns
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import (
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"strings"
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"github.com/qdm12/private-internet-access-docker/internal/constants"
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)
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func (c *configurator) SetLocalNameserver() error {
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c.logger.Info("%s: setting local nameserver to 127.0.0.1", logPrefix)
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data, err := c.fileManager.ReadFile(string(constants.ResolvConf))
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if err != nil {
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return err
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}
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s := strings.TrimSuffix(string(data), "\n")
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lines := strings.Split(s, "\n")
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if len(lines) == 1 && lines[0] == "" {
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lines = nil
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}
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found := false
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for i := range lines {
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if strings.HasPrefix(lines[i], "nameserver ") {
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lines[i] = "nameserver 127.0.0.1"
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found = true
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}
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}
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if !found {
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lines = append(lines, "nameserver 127.0.0.1")
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}
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data = []byte(strings.Join(lines, "\n"))
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return c.fileManager.WriteToFile(string(constants.ResolvConf), data)
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}
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