hostname actually set

Signed-off-by: Jeff Carr <jcarr@wit.com>

bash.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+        "io"
+        "os"
+        "os/exec"
+        "os/signal"
+        "syscall"
+
+        "github.com/creack/pty"
+        "golang.org/x/term"
+)
+
+func test() error {
+        // Create arbitrary command.
+        c := exec.Command("bash")
+
+        // Start the command with a pty.
+        ptmx, err := pty.Start(c)
+        if err != nil {
+                return err
+        }
+        // Make sure to close the pty at the end.
+        defer func() { _ = ptmx.Close() }() // Best effort.
+
+        // Handle pty size.
+        ch := make(chan os.Signal, 1)
+        signal.Notify(ch, syscall.SIGWINCH)
+        go func() {
+                for range ch {
+                        if err := pty.InheritSize(os.Stdin, ptmx); err != nil {
+                                log("error resizing pty: %s", err)
+                        }
+                }
+        }()
+        ch <- syscall.SIGWINCH // Initial resize.
+        defer func() { signal.Stop(ch); close(ch) }() // Cleanup signals when done.
+
+        // Set stdin in raw mode.
+        oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+        if err != nil {
+                panic(err)
+        }
+        defer func() { _ = term.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
+
+        // Copy stdin to the pty and the pty to stdout.
+        // NOTE: The goroutine will keep reading until the next keystroke before returning.
+        go func() { _, _ = io.Copy(ptmx, os.Stdin) }()
+        _, _ = io.Copy(os.Stdout, ptmx)
+
+        return nil
+}
+
+func mainBash() {
+        if err := test(); err != nil {
+                exit(err)
+        }
+}

gui.go

@@ -13,7 +13,7 @@ import 	(
 // This initializes the first window
 func initGUI() {
 	gui.Config.Title = "DNS and IPv6 Control Panel"
-	gui.Config.Width = 640
+	gui.Config.Width = 1024
 	gui.Config.Height = 480
 	gui.Config.Exit = myDefaultExit
 
@@ -33,19 +33,6 @@ func addDNSTab(title string) {
         // log("addDemoTab() newNode.Dump")
 	// newNode.Dump()
 
-	me.notes = me.tab.NewGroup("junk")
-	dd := me.notes.NewDropdown("demoCombo2")
-	dd.AddDropdownName("more 1")
-	dd.AddDropdownName("more 2")
-	dd.AddDropdownName("more 3")
-	dd.Custom = func() {
-		s := dd.GetText()
-		output("dd.Custom( dd.GetText() ) =" + s + "\n", true)
-	}
-	me.notes.NewButton("hello", func () {
-		log("world")
-	})
-
 	g2 = me.tab.NewGroup("Real Stuff")
 
 	g2.NewButton("Network Interfaces", func () {
@@ -57,7 +44,6 @@ func addDNSTab(title string) {
 	})
 	g2.NewButton("Hostname", func () {
 		getHostname()
-		output("FQDN = " + me.fqdn + "\n", true)
 	})
 	g2.NewButton("Actual AAAA", func () {
 		var aaaa []string
@@ -120,11 +106,14 @@ func myDefaultExit(n *gui.Node) {
 
 func nsupdateGroup(w *gui.Node) {
 	g := w.NewGroup("dns update")
-	g.NewLabel("UID = " + me.user)
+	me.uid = g.NewLabel("UID = " + me.user)
+	me.fqdn = g.NewLabel("fqdn:")
+	me.IPv4 = g.NewLabel("192.168.2.2")
+	me.IPv6 = g.NewLabel("fe::02")
 	g.NewButton("DNS AAAA", func () {
 		var aaaa []string
 		var out string
-		h := me.fqdn
+		h := me.fqdn.GetText()
 		// h := "fire.lab.wit.org"
 		aaaa = dnsAAAA(h)
 		log(SPEW, me)
@@ -136,7 +125,7 @@ func nsupdateGroup(w *gui.Node) {
 		}
 	})
 	g.NewButton("dig +trace", func () {
-		o := shell.Run("dig +trace +noadditional DS " + me.fqdn + " @8.8.8.8")
+		o := shell.Run("dig +trace +noadditional DS " + me.fqdn.GetText() + " @8.8.8.8")
 		output(o, false)
 		// log(o)
 	})

hostname.go

@@ -18,13 +18,19 @@ import "git.wit.org/jcarr/dnssecsocket"
 
 func getHostname() {
 	var err error
-	me.fqdn, err = fqdn.FqdnHostname()
+	var s string = "gui.Label == nil"
+	s, err = fqdn.FqdnHostname()
 	if (err != nil) {
 		log("FQDN hostname error =", err)
 		exit()
 		return
 	}
-	log("FQDN hostname is", me.fqdn)
+	if (me.fqdn != nil) {
+		// s =  me.fqdn.GetText()
+		output("trying to update gui.Label", true)
+		me.fqdn.SetText(s)
+	}
+	output("FQDN = jcarr" + s + "\n", true)
 }
 
 func dnsAAAA(s string) []string {

main.go

@@ -1,6 +1,7 @@
 // GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007
 // Copyright (c) 2023 WIT.COM, Inc.
 // This is a control panel for DNS
+
 package main
 
 import 	(
@@ -64,7 +65,7 @@ func checkNetworkChanges() {
 
 // Run this every once and a while
 func dnsTTL() {
-	output("FQDN = " + me.fqdn + "\n", false)
+	output("FQDN = " + me.fqdn.GetText() + "\n", true)
 	getHostname()
 	scanInterfaces()
 	for i, t := range me.ifmap {

structs.go

@@ -12,7 +12,7 @@ var me Host
 type Host struct {
 	hostname	string			// mirrors
 	domainname	string			// kernel.org
-	fqdn		string			// mirrors.kernel.org
+	// fqdn		string			// mirrors.kernel.org
 	dnsTTL		int			// Recheck DNS is working every TTL (in seconds)
 	user		string			// name of the user
 	ipmap		map[string]*IPtype	// the current ip addresses
@@ -23,6 +23,10 @@ type Host struct {
 	tab		*gui.Node		// the main dns tab
 	notes		*gui.Node		// using this to put notes here
 	output		*gui.Node		// Textbox for dumping output
+	uid		*gui.Node		// user
+	fqdn		*gui.Node		// display the full hostname
+	IPv4		*gui.Node		// show valid IPv4 addresses
+	IPv6		*gui.Node		// show valid IPv6 addresses
 }
 
 type IPtype struct {