tailscale/net/dns/ini.go

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// 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 windows
// +build windows
package dns
import (
"regexp"
"strings"
)
// parseIni parses a basic .ini file, used for wsl.conf.
func parseIni(data string) map[string]map[string]string {
sectionRE := regexp.MustCompile(`^\[([^]]+)\]`)
kvRE := regexp.MustCompile(`^\s*(\w+)\s*=\s*([^#]*)`)
ini := map[string]map[string]string{}
var section string
for _, line := range strings.Split(data, "\n") {
if res := sectionRE.FindStringSubmatch(line); len(res) > 1 {
section = res[1]
ini[section] = map[string]string{}
} else if res := kvRE.FindStringSubmatch(line); len(res) > 2 {
k, v := strings.TrimSpace(res[1]), strings.TrimSpace(res[2])
ini[section][k] = v
}
}
return ini
}