82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
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package main
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import (
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"flag"
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"fmt"
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"git.e3t.cc/e3team/pancheri"
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"gopkg.in/yaml.v2"
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"io"
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"os"
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"strings"
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"time"
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)
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func main() {
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hostsPath := flag.String("hostsfile", "", "Hosts file to convert to a dnsbl")
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voidIp := flag.String("voidip", "0.0.0.0", "IP that this hosts file uses as a void IP")
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printUsage := flag.Bool("help", false, "Print command line usage")
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flag.Parse()
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if *printUsage {
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flag.Usage()
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os.Exit(0)
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}
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f, err := os.Open(*hostsPath)
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if err != nil {
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fmt.Printf("error opening hosts file: %s", err)
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os.Exit(1)
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}
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buf := new(strings.Builder)
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_, err = io.Copy(buf, f)
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if err != nil {
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fmt.Printf("error reading hosts file: %s", err)
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os.Exit(1)
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}
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err = f.Close()
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if err != nil {
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fmt.Printf("error closing hosts file: %s", err)
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os.Exit(1)
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}
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split := strings.Split(buf.String(), "\n")
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blackhole := pancheri.BlackholeFile{
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DenyDomains: *new([]string),
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}
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for _, line := range split {
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if strings.HasPrefix(line, "#") {
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continue
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}
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if line == "" {
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continue
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}
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if !strings.HasPrefix(line, *voidIp) {
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continue
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}
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lineSplit := strings.Split(line, " ")
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if strings.Join(lineSplit[1:], " ") == *voidIp {
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continue
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}
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blackhole.DenyDomains = append(blackhole.DenyDomains, strings.Join(lineSplit[1:], " "))
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}
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marshaled, err := yaml.Marshal(blackhole)
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if err != nil {
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fmt.Printf("error saving blacklist file: %s", err)
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os.Exit(1)
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}
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fmt.Printf("# Compiled by pancheri-compile at %s\n", time.Now().Format(time.RFC3339))
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fmt.Printf("# %d hosts loaded from %s\n", len(blackhole.DenyDomains), *hostsPath)
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fmt.Printf("%s", marshaled)
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}
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