compiles. add resolverBox
Signed-off-by: Jeff Carr <jcarr@wit.com>
This commit is contained in:
parent
7fce9bba75
commit
b7db74c779
39
digStatus.go
39
digStatus.go
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@ -416,45 +416,6 @@ func (ds *digStatus) makeDnsStatusGrid() {
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grid.Pad()
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grid.Pad()
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}
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}
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// dnsLookup performs a DNS lookup for the specified record type (e.g., "TXT", "AAAA") for a given domain.
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func dnsUdpLookup(server string, domain string, recordType uint16) ([]string, error) {
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var records []string
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c := new(dns.Client)
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m := new(dns.Msg)
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m.SetQuestion(dns.Fqdn(domain), recordType)
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r, _, err := c.Exchange(m, server) // If server = "1.1.1.1:53" then use Cloudflare's DNS server
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if err != nil {
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return nil, err
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}
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for _, ans := range r.Answer {
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records = append(records, ans.String())
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}
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return records, nil
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}
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func dnsTcpLookup(server string, domain string, recordType uint16) ([]string, error) {
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var records []string
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c := new(dns.Client)
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c.Net = "tcp" // Specify to use TCP for the query
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c.Timeout = time.Second * 5 // Set a 5-second timeout
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m := new(dns.Msg)
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m.SetQuestion(dns.Fqdn(domain), recordType)
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r, _, err := c.Exchange(m, server) // If server = "1.1.1.1:53" then use Cloudflare's DNS server
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if err != nil {
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return nil, err
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}
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for _, ans := range r.Answer {
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records = append(records, ans.String())
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}
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return records, nil
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}
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func (ds *digStatus) checkLookupDoH(hostname string) bool {
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func (ds *digStatus) checkLookupDoH(hostname string) bool {
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var status bool = false
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var status bool = false
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@ -0,0 +1,209 @@
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/*
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Performs DNS queries on TCP and UDP
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*/
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package main
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import (
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"os"
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"time"
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"strconv"
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"reflect"
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"go.wit.com/log"
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"go.wit.com/gui/gui"
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"go.wit.com/gui/gadgets"
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"github.com/miekg/dns"
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)
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type resolverStatus struct {
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title string
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server string // The DNS server. Example: "127.0.0.1:53" or "1.1.1.1:53"
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hostname string // the hostname to lookup. Example: "www.google.com" or "go.wit.com"
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parent *gui.Node
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group *gui.Node
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grid *gui.Node
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// DNS setup options
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udpA *gui.Node
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tcpA *gui.Node
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udpAAAA *gui.Node
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tcpAAAA *gui.Node
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// show the display
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aFail *gui.Node
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aSuccess *gui.Node
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aaaaFail *gui.Node
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aaaaSuccess *gui.Node
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// interger counters
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aFailc int
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aSuccessc int
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aaaaFailc int
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aaaaSuccessc int
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}
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func (rs *resolverStatus) set(a any, s string) {
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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.Set(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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// Makes a DNS Status Grid
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func NewResolverStatus(p *gui.Node, title string, server string, hostname string) *resolverStatus {
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var rs *resolverStatus
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rs = new(resolverStatus)
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rs.parent = p
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rs.group = p.NewGroup(server + " " + title + " lookup")
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rs.grid = rs.group.NewGrid("LookupStatus", 5, 2)
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rs.server = server
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rs.hostname = hostname
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rs.grid.NewLabel("")
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rs.grid.NewLabel("UDP")
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rs.grid.NewLabel("TCP")
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rs.grid.NewLabel("Success")
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rs.grid.NewLabel("Fail")
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rs.grid.NewLabel("A")
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rs.udpA = rs.grid.NewLabel("?")
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rs.tcpA = rs.grid.NewLabel("?")
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rs.aSuccess = rs.grid.NewLabel("?")
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rs.aFail = rs.grid.NewLabel("?")
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rs.grid.NewLabel("AAAA")
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rs.udpAAAA = rs.grid.NewLabel("?")
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rs.tcpAAAA = rs.grid.NewLabel("?")
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rs.aaaaSuccess = rs.grid.NewLabel("?")
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rs.aaaaFail = rs.grid.NewLabel("?")
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rs.group.Margin()
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rs.grid.Margin()
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rs.group.Pad()
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rs.grid.Pad()
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return rs
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}
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// special thanks to the Element Hotel wifi in Philidelphia that allowed me to
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// easily debug this code since the internet connection here blocks port 53 traffic
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func (rs *resolverStatus) update() (bool, bool) {
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var results []string
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var a bool = false
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var aaaa bool = false
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log.Log(DNS, "resolverStatus.update() For server", rs.server, "on", rs.hostname)
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results, _ = dnsUdpLookup(rs.server, rs.hostname, dns.TypeA)
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log.Log(DNS, "resolverStatus.update() UDP type A =", results)
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if (len(results) == 0) {
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rs.set(rs.udpA, "BROKEN")
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rs.aFailc += 1
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} else {
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rs.set(rs.udpA, "WORKING")
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rs.aSuccessc += 1
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a = true
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}
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results, _ = dnsTcpLookup(rs.server, rs.hostname, dns.TypeA)
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log.Log(DNS, "resolverStatus.update() TCP type A =", results)
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if (len(results) == 0) {
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rs.set(rs.tcpA, "BROKEN")
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rs.aFailc += 1
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} else {
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me.digStatus.set(rs.tcpA, "WORKING")
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rs.aSuccessc += 1
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a = true
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}
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me.digStatus.set(rs.aFail, strconv.Itoa(rs.aFailc))
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me.digStatus.set(rs.aSuccess,strconv.Itoa(rs.aSuccessc))
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results, _ = dnsUdpLookup(rs.server, rs.hostname, dns.TypeAAAA)
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log.Log(DNS, "resolverStatus.update() UDP type AAAA =", results)
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if (len(results) == 0) {
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me.digStatus.set(rs.udpAAAA, "BROKEN")
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rs.aaaaFailc += 1
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me.digStatus.set(rs.aaaaFail, strconv.Itoa(rs.aaaaFailc))
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} else {
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me.digStatus.set(rs.udpAAAA, "WORKING")
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rs.aaaaSuccessc += 1
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aaaa = true
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}
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results, _ = dnsTcpLookup(rs.server, rs.hostname, dns.TypeAAAA)
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log.Log(DNS, "resolverStatus.update() UDP type AAAA =", results)
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if (len(results) == 0) {
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me.digStatus.set(rs.tcpAAAA, "BROKEN")
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rs.aaaaFailc += 1
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me.digStatus.set(rs.aaaaFail, strconv.Itoa(rs.aaaaFailc))
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} else {
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me.digStatus.set(rs.tcpAAAA, "WORKING")
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rs.aaaaSuccessc += 1
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aaaa = true
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}
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me.digStatus.set(rs.aaaaFail, strconv.Itoa(rs.aaaaFailc))
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me.digStatus.set(rs.aaaaSuccess,strconv.Itoa(rs.aaaaSuccessc))
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return a, aaaa
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}
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// dnsLookup performs a DNS lookup for the specified record type (e.g., "TXT", "AAAA") for a given domain.
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func dnsUdpLookup(server string, domain string, recordType uint16) ([]string, error) {
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var records []string
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c := new(dns.Client)
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m := new(dns.Msg)
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m.SetQuestion(dns.Fqdn(domain), recordType)
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r, _, err := c.Exchange(m, server) // If server = "1.1.1.1:53" then use Cloudflare's DNS server
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if err != nil {
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return nil, err
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}
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for _, ans := range r.Answer {
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records = append(records, ans.String())
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}
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return records, nil
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}
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func dnsTcpLookup(server string, domain string, recordType uint16) ([]string, error) {
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var records []string
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c := new(dns.Client)
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c.Net = "tcp" // Specify to use TCP for the query
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c.Timeout = time.Second * 5 // Set a 5-second timeout
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m := new(dns.Msg)
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m.SetQuestion(dns.Fqdn(domain), recordType)
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r, _, err := c.Exchange(m, server) // If server = "1.1.1.1:53" then use Cloudflare's DNS server
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if err != nil {
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return nil, err
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}
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for _, ans := range r.Answer {
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records = append(records, ans.String())
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}
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return records, nil
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}
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