398 lines
8.7 KiB
Go
398 lines
8.7 KiB
Go
/*
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figures out if your hostname is valid
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then checks if your DNS is setup correctly
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*/
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package main
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import (
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"errors"
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"fmt"
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"os"
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"reflect"
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"sort"
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"strings"
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"time"
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"go.wit.com/gui"
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"go.wit.com/lib/gadgets"
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"go.wit.com/log"
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)
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type hostnameStatus struct {
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ready bool
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hidden bool
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changed bool
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lastname string // used to watch for changes in the hostname
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window *gadgets.BasicWindow
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// Primary Directives
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status *gadgets.OneLiner
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summary *gadgets.OneLiner
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statusIPv4 *gadgets.OneLiner
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statusIPv6 *gadgets.OneLiner
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hostname *gadgets.OneLiner
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domainname *gadgets.OneLiner
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// what the current IP addresses your network has given you
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currentIPv4 *gadgets.OneLiner
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currentIPv6 *gadgets.OneLiner
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// what the DNS servers have
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NSrr *gadgets.OneLiner
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dnsA *gadgets.OneLiner
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dnsAAAA *gadgets.OneLiner
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dnsAPI *gadgets.OneLiner
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APIprovider string
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speed *gadgets.OneLiner
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speedActual *gadgets.OneLiner
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// Actions
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// dnsValue *gui.Node
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// dnsAction *gui.Node
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}
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func InitHostnameStatus() *hostnameStatus {
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var hs *hostnameStatus
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hs = new(hostnameStatus)
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hs.ready = false
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hs.hidden = true
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// hs.hostname = me.hostname
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hs.window = gadgets.RawBasicWindow("fix hostname here"+" Status")
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hs.window.Make()
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// hs.window.Draw()
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// hs.window.Hide()
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group := hs.window.Box().NewGroup("Summary")
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grid := group.NewGrid("LookupStatus", 2, 2)
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hs.status = gadgets.NewOneLiner(grid, "status").SetText("unknown")
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hs.statusIPv4 = gadgets.NewOneLiner(grid, "IPv4").SetText("unknown")
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hs.statusIPv6 = gadgets.NewOneLiner(grid, "IPv6").SetText("unknown")
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group.Pad()
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grid.Pad()
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group = hs.window.Box().NewGroup("Details")
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grid = group.NewGrid("LookupDetails", 2, 2)
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hs.hostname = gadgets.NewOneLiner(grid, "hostname")
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hs.domainname = gadgets.NewOneLiner(grid, "domain name")
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hs.currentIPv4 = gadgets.NewOneLiner(grid, "Current IPv4")
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hs.currentIPv6 = gadgets.NewOneLiner(grid, "Current IPv6")
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hs.NSrr = gadgets.NewOneLiner(grid, "dns NS records").SetText("unknown")
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hs.dnsAPI = gadgets.NewOneLiner(grid, "dns API provider").SetText("unknown")
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hs.dnsA = gadgets.NewOneLiner(grid, "dns IPv4 resource records").SetText("unknown")
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hs.dnsAAAA = gadgets.NewOneLiner(grid, "dns IPv6 resource records").SetText("unknown")
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hs.speed = gadgets.NewOneLiner(grid, "speed").SetText("unknown")
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hs.speedActual = gadgets.NewOneLiner(grid, "actual").SetText("unknown")
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group.Pad()
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grid.Pad()
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hs.hidden = false
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hs.ready = true
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return hs
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}
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func (hs *hostnameStatus) Domain() string {
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if !hs.Ready() {
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return ""
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}
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return hs.domainname.String()
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}
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func (hs *hostnameStatus) API() string {
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if !hs.Ready() {
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return ""
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}
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return hs.dnsAPI.String()
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}
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func (hs *hostnameStatus) Update() {
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log.Info("hostnameStatus() Update() START")
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if hs == nil {
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log.Error(errors.New("hostnameStatus() Update() hs == nil"))
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return
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}
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duration := timeFunction(func() {
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hs.updateStatus()
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})
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s := fmt.Sprint(duration)
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hs.set(hs.speedActual, s)
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if duration > 500*time.Millisecond {
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hs.set(hs.speed, "SLOW")
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} else if duration > 100*time.Millisecond {
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hs.set(hs.speed, "OK")
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} else {
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hs.set(hs.speed, "FAST")
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}
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log.Info("hostnameStatus() Update() END")
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}
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// Returns true if the status is valid
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func (hs *hostnameStatus) Ready() bool {
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if hs == nil {
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return false
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}
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return hs.ready
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}
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// Returns true if IPv4 is working
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func (hs *hostnameStatus) IPv4() bool {
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if !hs.Ready() {
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return false
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}
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if hs.statusIPv4.String() == "OK" {
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return true
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}
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if hs.statusIPv4.String() == "GOOD" {
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return true
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}
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return false
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}
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// Returns true if IPv6 is working
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func (hs *hostnameStatus) IPv6() bool {
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if !hs.Ready() {
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return false
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}
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if hs.statusIPv6.String() == "GOOD" {
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return true
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}
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return false
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}
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func (hs *hostnameStatus) setIPv4(s string) {
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if !hs.Ready() {
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return
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}
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hs.statusIPv4.SetText(s)
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}
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func (hs *hostnameStatus) setIPv6(s string) {
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if !hs.Ready() {
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return
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}
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hs.statusIPv6.SetText(s)
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}
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func (hs *hostnameStatus) set(a any, s string) {
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if !hs.Ready() {
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return
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}
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if hs.hidden {
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return
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}
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if a == nil {
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return
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}
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var n *gui.Node
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if reflect.TypeOf(a) == reflect.TypeOf(n) {
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n = a.(*gui.Node)
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n.SetText(s)
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return
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}
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var ol *gadgets.OneLiner
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if reflect.TypeOf(a) == reflect.TypeOf(ol) {
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ol = a.(*gadgets.OneLiner)
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if ol == nil {
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// log.Println("ol = nil", reflect.TypeOf(a), "a =", a)
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return
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}
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// log.Println("SETTING ol:", ol)
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ol.SetText(s)
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return
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}
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log.Warn("unknown type TypeOf(a) =", reflect.TypeOf(a), "a =", a)
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os.Exit(0)
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}
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// returns true if AAAA record already exists in DNS
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func (hs *hostnameStatus) existsAAAA(s string) bool {
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log.Log(NOW, "existsAAAA() try to see if AAAA is already set", s)
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return false
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}
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func (hs *hostnameStatus) GetIPv6() []string {
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if !hs.Ready() {
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return nil
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}
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return strings.Split(hs.dnsAAAA.String(), "\n")
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}
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func (hs *hostnameStatus) updateStatus() {
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if !hs.Ready() {
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return
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}
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var s string
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var vals []string
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log.Log(STATUS, "updateStatus() START")
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// copy the OS status over
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lasthostname := hs.hostname.String()
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hostname := me.statusOS.GetHostname()
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// hostname changed or was setup for the first time. Set the window title, etc
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if lasthostname != hostname {
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me.changed = true
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hs.hostname.SetText(hostname)
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hs.window.SetLabel(hostname + " Status")
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me.statusDNSbutton.SetLabel(hostname + " status")
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}
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hs.domainname.SetText(me.statusOS.GetDomainName())
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var tmp []string
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tmp = me.statusOS.GetIPv4()
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sort.Strings(tmp)
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s = strings.Join(tmp, "\n")
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if s != hs.currentIPv4.String() {
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log.Log(CHANGE, "DNS IPv4 Addresses changed", tmp)
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hs.currentIPv4.SetText(s)
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hs.changed = true
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}
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tmp = me.statusOS.GetIPv6()
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sort.Strings(tmp)
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s = strings.Join(tmp, "\n")
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if s != hs.currentIPv6.String() {
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log.Log(CHANGE, "DNS IPv6 Addresses changed", tmp)
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hs.currentIPv6.SetText(s)
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hs.changed = true
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}
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if me.statusOS.ValidHostname() {
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vals = lookupDoH(me.statusOS.GetHostname(), "AAAA")
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log.Log(STATUS, "DNS IPv6 Addresses for ", me.statusOS.GetHostname(), "=", vals)
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hs.dnsAAAA.SetText(strings.Join(vals, "\n"))
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vals = lookupDoH(me.statusOS.GetHostname(), "A")
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log.Log(STATUS, "IPv4 Addresses for ", me.statusOS.GetHostname(), "=", vals)
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s = strings.Join(vals, "\n")
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if s == "" {
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s = "(none)"
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hs.setIPv4("NEEDS CNAME")
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}
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hs.set(hs.dnsA, s)
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vals = lookupDoH(me.statusOS.GetHostname(), "CNAME")
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s = strings.Join(vals, "\n")
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if s != "" {
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hs.set(hs.dnsA, "CNAME "+s)
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hs.setIPv4("GOOD")
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}
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if hs.changed {
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log.Log(CHANGE, "stuff changed. trying fixIPv6dns()")
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fixIPv6dns()
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hs.changed = false
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}
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}
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if hs.IPv4() && hs.IPv6() {
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hs.status.SetText("GOOD")
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} else {
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hs.status.SetText("BROKEN")
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}
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last := hs.statusIPv6.String()
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if hs.verifyIPv6() {
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if last != "WORKING" {
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log.Log(CHANGE, "Your DNS IPv6 has started working.", me.statusOS.GetHostname(), "should now work")
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hs.changed = true
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hs.statusIPv6.SetText("WORKING")
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me.DnsStatus.SetText("WORKING")
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}
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} else {
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if last != "BROKEN" {
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log.Log(CHANGE, "Your DNS entries for IPv6 have BROKEN")
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hs.changed = true
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hs.statusIPv6.SetText("BROKEN")
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me.DnsStatus.SetText("BROKEN")
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}
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}
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}
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func (hs *hostnameStatus) verifyIPv6() bool {
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var working bool = true
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osAAAA := make(map[string]string)
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dnsAAAA := make(map[string]string)
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log.Log(INFO, "What are the AAAA resource records in the OS?")
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tmp := me.statusOS.GetIPv6()
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if len(tmp) == 0 {
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// you don't have any IPv6 addresses in your OS right now
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return false
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}
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for _, aaaa := range me.statusOS.GetIPv6() {
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log.Log(INFO, "FOUND OS AAAA ip", aaaa)
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osAAAA[aaaa] = "os"
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}
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log.Log(INFO, "What are the AAAA resource records in DNS?")
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for _, aaaa := range me.statusDNS.GetIPv6() {
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log.Log(INFO, "FOUND DNS AAAA ip", aaaa)
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dnsAAAA[aaaa] = "dns"
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}
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for aaaa, _ := range dnsAAAA {
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if osAAAA[aaaa] == "os" {
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log.Log(INFO, "DNS AAAA is in OS", aaaa)
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} else {
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working = false
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log.Log(INFO, "DNS AAAA is not in OS", aaaa)
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addToFixWindow("DELETE", aaaa)
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}
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}
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for aaaa, _ := range osAAAA {
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if dnsAAAA[aaaa] == "dns" {
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log.Log(INFO, "OS AAAA is in DNS", aaaa)
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} else {
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working = false
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log.Log(INFO, "OS AAAA is not in DNS", aaaa)
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addToFixWindow("CREATE", aaaa)
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}
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}
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return working
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}
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func (hs *hostnameStatus) Show() {
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log.Log(STATUS, "hostnameStatus.Show() window")
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if hs.hidden {
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hs.window.Show()
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}
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hs.hidden = false
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}
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func (hs *hostnameStatus) Hide() {
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log.Log(STATUS, "hostnameStatus.Hide() window")
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if !hs.hidden {
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hs.window.Hide()
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}
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hs.hidden = true
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}
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func (hs *hostnameStatus) GetDNSapi() string {
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return hs.APIprovider
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}
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func (hs *hostnameStatus) SetDNSapi(api string) {
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if api == hs.APIprovider {
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return
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}
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hs.APIprovider = api
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hs.dnsAPI.SetText(api)
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hs.changed = true
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}
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