339 lines
7.8 KiB
Go
339 lines
7.8 KiB
Go
/*
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'dig'
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This is essentially doing what the command 'dig' does
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It performing DNS queries on TCP and UDP
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against localhost, cloudflare & google
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IPv4() and IPv6() return true if they are working
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with the 'gui' package, it can also display the results
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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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"time"
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"go.wit.com/lib/gadgets"
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"go.wit.com/gui"
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"go.wit.com/log"
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"go.wit.com/lib/gui/shell"
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)
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type digStatus struct {
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ready bool
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hidden bool
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statusIPv4 string
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statusIPv6 string
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parent *gui.Node
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window *gadgets.BasicWindow
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group *gui.Node
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grid *gui.Node
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summary *gui.Node
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status *gadgets.OneLiner
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statusAAAA *gadgets.OneLiner
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speed *gadgets.OneLiner
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speedActual *gadgets.OneLiner
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detailsGroup *gui.Node
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details *gui.Node
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dsLocalhost *resolverStatus
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dsLocalNetwork *resolverStatus
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dsCloudflare *resolverStatus
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dsGoogle *resolverStatus
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DnsDigUDP *gui.Node
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DnsDigTCP *gui.Node
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httpGoWitCom *gadgets.OneLiner
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statusHTTP *gadgets.OneLiner
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}
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func NewDigStatusWindow(p *gui.Node) *digStatus {
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var ds *digStatus
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ds = new(digStatus)
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ds.ready = false
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ds.hidden = true
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ds.window = gadgets.NewBasicWindow(p, "DNS Resolver Status")
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ds.window.Make()
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// ds.window.Draw()
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// ds.window.Hide()
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// summary of the current state of things
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ds.summary = ds.window.Box().NewGroup("Summary")
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g := ds.summary.NewGrid("LookupStatus", 2, 2)
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g.Pad()
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ds.status = gadgets.NewOneLiner(g, "status").SetValue("unknown")
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ds.statusAAAA = gadgets.NewOneLiner(g, "IPv6 status").SetValue("unknown")
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ds.statusHTTP = gadgets.NewOneLiner(g, "IPv6 via HTTP").SetValue("unknown")
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ds.speed = gadgets.NewOneLiner(g, "speed").SetValue("unknown")
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ds.speedActual = gadgets.NewOneLiner(g, "actual").SetValue("unknown")
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// make the area to store the raw details
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ds.detailsGroup = ds.window.Box().NewGroup("Details")
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ds.details = ds.detailsGroup.NewBox("bw vbox", false)
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ds.dsLocalhost = NewResolverStatus(ds.details, "(localhost)", "127.0.0.1:53", "go.wit.com")
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ds.dsLocalNetwork = NewResolverStatus(ds.details, "(Local Network)", "192.168.86.1:53", "go.wit.com")
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ds.dsCloudflare = NewResolverStatus(ds.details, "(cloudflare)", "1.1.1.1:53", "go.wit.com")
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ds.dsGoogle = NewResolverStatus(ds.details, "(google)", "8.8.8.8:53", "go.wit.com")
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ds.makeDnsStatusGrid()
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ds.makeHttpStatusGrid()
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ds.hidden = false
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ds.ready = true
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return ds
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}
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func (ds *digStatus) Update() {
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log.Info("digStatus() Update() START")
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if ds == nil {
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log.Error(errors.New("digStatus() Update() ds == nil"))
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return
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}
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duration := timeFunction(func() {
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ds.updateDnsStatus()
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})
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s := fmt.Sprint(duration)
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// ds.speedActual.SetValue(s)
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me.digStatus.set(ds.speedActual, s)
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if duration > 500*time.Millisecond {
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me.digStatus.set(ds.speed, "SLOW")
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} else if duration > 100*time.Millisecond {
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me.digStatus.set(ds.speed, "OK")
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} else {
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me.digStatus.set(ds.speed, "FAST")
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}
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log.Info("digStatus() Update() END")
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}
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// Returns true if the status is valid
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func (ds *digStatus) Ready() bool {
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if ds == nil {
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return false
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}
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return ds.ready
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}
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// Returns true if IPv4 is working
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func (ds *digStatus) IPv4() bool {
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if !ds.Ready() {
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return false
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}
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if ds.statusIPv4 == "OK" {
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return true
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}
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if ds.statusIPv4 == "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 (ds *digStatus) IPv6() bool {
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if !ds.Ready() {
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return false
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}
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if ds.statusIPv6 == "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 (ds *digStatus) setIPv4status(s string) {
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ds.statusIPv4 = s
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if !ds.Ready() {
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return
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}
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me.digStatus.set(ds.status, s)
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}
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func (ds *digStatus) setIPv6status(s string) {
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ds.statusIPv6 = s
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if !ds.Ready() {
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return
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}
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me.digStatus.set(ds.statusAAAA, s)
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}
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/*
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func (ds *digStatus) SetIPv6(s string) {
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if ! ds.Ready() {return}
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log.Warn("Should SetIPv6() here to", s)
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log.Warn("Should SetIPv6() here to", s)
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log.Warn("Should SetIPv6() here to", s)
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log.Warn("Should SetIPv6() here to", s)
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me.DnsAAAA.SetValue(s)
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// me.digStatus.set(ds.httpGoWitCom, addr)
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}
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*/
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func (ds *digStatus) set(a any, s string) {
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if !ds.Ready() {
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return
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}
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if ds.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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ol.SetValue(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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func (ds *digStatus) updateDnsStatus() {
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var cmd, out string
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var ipv4, ipv6 bool
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log.Info("updateDnsStatus() START")
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if ds == nil {
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log.Error(errors.New("updateDnsStatus() not initialized yet. ds == nil"))
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return
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}
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if !ds.ready {
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log.Error(errors.New("updateDnsStatus() not ready yet"))
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return
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}
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ipv4, ipv6 = ds.dsLocalhost.update()
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ipv4, ipv6 = ds.dsLocalNetwork.update()
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ipv4, ipv6 = ds.dsCloudflare.update()
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ipv4, ipv6 = ds.dsGoogle.update()
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if me.statusOS.ValidHostname() {
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if ds.checkLookupDoH(me.statusOS.GetHostname()) {
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log.Log(DNS, "updateDnsStatus() HTTP DNS lookups working")
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me.digStatus.set(ds.statusHTTP, "WORKING")
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} else {
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log.Log(DNS, "updateDnsStatus() HTTP DNS lookups not working")
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log.Log(DNS, "updateDnsStatus() It's really unlikely you are on the internet")
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me.digStatus.set(ds.statusHTTP, "BROKEN")
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}
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} else {
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me.digStatus.set(ds.statusHTTP, "INVALID HOSTNAME")
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}
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if ipv4 {
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log.Log(DNS, "updateDnsStatus() IPv4 A lookups working")
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ds.setIPv4status("OK")
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} else {
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log.Log(DNS, "updateDnsStatus() IPv4 A lookups not working. No internet?")
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ds.setIPv4status("No Internet?")
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}
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if ipv6 {
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log.Log(DNS, "updateDnsStatus() IPv6 AAAA lookups working")
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ds.setIPv4status("GOOD")
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ds.setIPv6status("GOOD")
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} else {
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log.Log(DNS, "updateDnsStatus() IPv6 AAAA lookups are not working")
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ds.setIPv6status("Need VPN")
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}
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cmd = "dig +noall +answer www.wit.com A"
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out = shell.Run(cmd)
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log.Log(DNS, "makeDnsStatusGrid() dig", out)
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me.digStatus.set(ds.DnsDigUDP, out)
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cmd = "dig +noall +answer www.wit.com AAAA"
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out = shell.Run(cmd)
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log.Log(DNS, "makeDnsStatusGrid() dig", out)
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me.digStatus.set(ds.DnsDigTCP, out)
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/*
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g2.NewButton("dig +trace", func () {
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log.Log(NOW, "TODO: redo this")
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// o := shell.Run("dig +trace +noadditional DS " + me.hostname + " @8.8.8.8")
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// log.Println(o)
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})
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*/
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}
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func (ds *digStatus) makeHttpStatusGrid() {
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group := ds.details.NewGroup("dns.google.com via HTTPS")
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grid := group.NewGrid("LookupStatus", 2, 2)
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ds.httpGoWitCom = gadgets.NewOneLiner(grid, "go.wit.com")
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me.digStatus.set(ds.httpGoWitCom, "unknown")
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group.Pad()
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grid.Pad()
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}
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func (ds *digStatus) makeDnsStatusGrid() {
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var cmd, out string
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group := ds.details.NewGroup("dig results")
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grid := group.NewGrid("LookupStatus", 2, 2)
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cmd = "dig +noall +answer go.wit.com A"
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grid.NewLabel(cmd)
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ds.DnsDigUDP = grid.NewLabel("?")
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out = shell.Run(cmd)
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log.Log(DNS, "makeDnsStatusGrid() dig", out)
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me.digStatus.set(ds.DnsDigUDP, out)
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cmd = "dig +noall +answer go.wit.com AAAA"
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grid.NewLabel(cmd)
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ds.DnsDigTCP = grid.NewLabel("?")
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out = shell.Run(cmd)
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log.Log(DNS, "makeDnsStatusGrid() dig", out)
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me.digStatus.set(ds.DnsDigTCP, out)
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group.Pad()
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grid.Pad()
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}
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func (ds *digStatus) checkLookupDoH(hostname string) bool {
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var status bool = false
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ipv6Addresses := lookupDoH(hostname, "AAAA")
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log.Log(DNS, "IPv6 Addresses for ", hostname)
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var s []string
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for _, addr := range ipv6Addresses {
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log.Log(DNS, addr)
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s = append(s, addr)
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status = true
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}
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// me.digStatus.SetIPv6(strings.Join(s, "\n"))
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return status
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}
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func (ds *digStatus) Show() {
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log.Info("digStatus.Show() window")
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if me.digStatus.hidden {
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me.digStatus.window.Show()
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}
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me.digStatus.hidden = false
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}
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func (ds *digStatus) Hide() {
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log.Info("digStatus.Hide() window")
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if !me.digStatus.hidden {
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me.digStatus.window.Hide()
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}
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me.digStatus.hidden = true
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}
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