98 lines
1.8 KiB
Go
98 lines
1.8 KiB
Go
// Various Linux/Unix'y things
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// https://wiki.archlinux.org/title/Dynamic_DNS
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package main
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import (
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"log"
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"os"
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"os/exec"
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"net"
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"bytes"
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"fmt"
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"strings"
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"go.wit.com/shell"
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)
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func CheckSuperuser() bool {
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return os.Getuid() == 0
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}
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func Escalate() {
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if os.Getuid() != 0 {
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cmd := exec.Command("sudo", "./control-panel-dns") // TODO: get the actual path
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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err := cmd.Run()
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if err != nil {
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debug(LogError, "exit in Escalate()")
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exit(err)
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}
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}
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}
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// You need permission to do a zone transfer. Otherwise:
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// dig +noall +answer +multiline lab.wit.com any
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// dig +all +multiline fire.lab.wit.com # gives the zonefile header (ttl vals)
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func DumpPublicDNSZone(zone string) {
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entries, err := net.LookupHost(zone)
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if err != nil {
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panic(err)
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}
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for _, entry := range entries {
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log.Println(entry)
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}
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}
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func dumpIPs(host string) {
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ips, err := net.LookupIP(host)
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if err != nil {
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debug(LogError, "dumpIPs() failed:", err)
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}
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for _, ip := range ips {
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log.Println(host, ip)
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}
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}
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/*
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check if ddclient is installed, working, and/or configured
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https://github.com/ddclient/ddclient
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*/
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func ddclient() {
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}
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/*
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check if ddupdate is installed, working, and/or configured
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*/
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func ddupdate() {
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}
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func run(s string) string {
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cmdArgs := strings.Fields(s)
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// Define the command you want to run
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// cmd := exec.Command(cmdArgs)
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cmd := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...)
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// Create a buffer to capture the output
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var out bytes.Buffer
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// Set the output of the command to the buffer
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cmd.Stdout = &out
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// Run the command
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err := cmd.Run()
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if err != nil {
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fmt.Println("Error running command:", err)
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return ""
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}
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tmp := shell.Chomp(out.String())
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// Output the results
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debug(LogExec, "Command Output:", tmp)
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return tmp
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}
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