Sam
220964fc02
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continuous-integration/drone/push Build is passing
Closes #14, #15 Co-authored-by: Sam Therapy <sam@samtherapy.net> Reviewed-on: #17
40 lines
896 B
Go
40 lines
896 B
Go
// SPDX-License-Identifier: BSD-3-Clause
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package conf
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import (
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"fmt"
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"strings"
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"github.com/miekg/dns"
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)
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// Plan 9 stores its network data in /net/ndb, which seems to be formatted a specific way
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// Yoink it and use it.
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//
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// See ndb(7).
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func getPlan9Config(str string) (*dns.ClientConfig, error) {
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str = strings.ReplaceAll(str, "\n", "")
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spl := strings.FieldsFunc(str, splitChars)
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var servers []string
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for _, option := range spl {
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if strings.HasPrefix(option, "dns=") {
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servers = append(servers, strings.TrimPrefix(option, "dns="))
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}
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}
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if len(servers) == 0 {
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return nil, fmt.Errorf("plan9: no DNS servers found")
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}
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// TODO: read more about how customizable Plan 9 is
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return &dns.ClientConfig{
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Servers: servers,
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Search: []string{},
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Port: "53",
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}, nil
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}
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// Split the string at either space or tabs
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func splitChars(r rune) bool {
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return r == ' ' || r == '\t'
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}
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