diff --git a/ptrstream.go b/ptrstream.go
@@ -359,21 +359,21 @@ func worker(jobs <-chan string, wg *sync.WaitGroup, cfg *Config, stats *Stats, t
if err != nil {
stats.incrementFailed()
if cfg.debug {
- errMsg := err.Error()
- if idx := strings.LastIndex(errMsg, ": "); idx != -1 {
- errMsg = errMsg[idx+2:]
- }
+ errRecord := formatErrorAsHostname(err)
timeStr := time.Now().Format("2006-01-02 15:04:05")
line := fmt.Sprintf("[gray]%s [gray]│[-] [purple]%15s[-] [gray]│[-] [aqua]%-15s[-] [gray]│[-] [red] ERR [-] [gray]│[-] [gray]%-6s[-] [gray]│[-] [gray]%s[-]\n",
timeStr,
ip,
server,
"",
- errMsg)
+ errRecord)
app.QueueUpdateDraw(func() {
fmt.Fprint(textView, line)
textView.ScrollToEnd()
})
+
+ // Write to NDJSON if enabled
+ writeNDJSON(cfg, time.Now(), ip, server, errRecord, "ERR", "", 0)
}
continue
}
@@ -400,7 +400,7 @@ func worker(jobs <-chan string, wg *sync.WaitGroup, cfg *Config, stats *Stats, t
ptr := ""
for _, name := range response.Names {
if cleaned := strings.TrimSpace(strings.TrimSuffix(name, ".")); cleaned != "" {
- ptr = cleaned
+ ptr = strings.ToLower(cleaned)
break
}
}
@@ -416,7 +416,7 @@ func worker(jobs <-chan string, wg *sync.WaitGroup, cfg *Config, stats *Stats, t
if response.RecordType == "CNAME" {
stats.incrementCNAME()
recordTypeColor = "[fuchsia]CNAME[-]"
- ptr = fmt.Sprintf("%s -> %s", ptr, response.Target)
+ ptr = fmt.Sprintf("%s -> %s", strings.ToLower(ptr), strings.ToLower(response.Target))
}
var line string
@@ -698,7 +698,52 @@ func main() {
}
}
- if err != nil || len(response.Names) == 0 {
+ if err != nil {
+ if cfg.debug {
+ errRecord := formatErrorAsHostname(err)
+ record := struct {
+ Seen string `json:"seen"`
+ IP string `json:"ip"`
+ Nameserver string `json:"nameserver"`
+ Record string `json:"record"`
+ RecordType string `json:"record_type"`
+ TTL uint32 `json:"ttl"`
+ }{
+ Seen: time.Now().Format(time.RFC3339),
+ IP: ip,
+ Nameserver: server,
+ Record: errRecord,
+ RecordType: "ERR",
+ TTL: 0,
+ }
+ if data, err := json.Marshal(record); err == nil {
+ fmt.Println(string(data))
+ }
+ }
+ continue
+ }
+
+ if len(response.Names) == 0 {
+ if cfg.debug {
+ record := struct {
+ Seen string `json:"seen"`
+ IP string `json:"ip"`
+ Nameserver string `json:"nameserver"`
+ Record string `json:"record"`
+ RecordType string `json:"record_type"`
+ TTL uint32 `json:"ttl"`
+ }{
+ Seen: time.Now().Format(time.RFC3339),
+ IP: ip,
+ Nameserver: server,
+ Record: "FAIL.NO-PTR-RECORD.in-addr.arpa",
+ RecordType: "ERR",
+ TTL: 0,
+ }
+ if data, err := json.Marshal(record); err == nil {
+ fmt.Println(string(data))
+ }
+ }
continue
}
@@ -923,3 +968,37 @@ func colorizeTTL(ttl uint32) string {
return fmt.Sprintf("[gray]%-6d[-]", ttl)
}
}
+
+func formatErrorAsHostname(err error) string {
+ errMsg := err.Error()
+ if idx := strings.LastIndex(errMsg, ": "); idx != -1 {
+ errMsg = errMsg[idx+2:]
+ }
+
+ switch {
+ case strings.Contains(errMsg, "i/o timeout"):
+ return "FAIL.TIMEOUT.in-addr.arpa"
+ case strings.Contains(errMsg, "Server Failure"):
+ return "FAIL.SERVER-FAILURE.in-addr.arpa"
+ case strings.Contains(errMsg, "No Such Domain"):
+ return "FAIL.NON-AUTHORITATIVE.in-addr.arpa"
+ case strings.Contains(errMsg, "refused"):
+ return "FAIL.REFUSED.in-addr.arpa"
+ case strings.Contains(errMsg, "no such host"):
+ return "FAIL.NO-SUCH-HOST.in-addr.arpa"
+ case strings.Contains(errMsg, "connection refused"):
+ return "FAIL.CONNECTION-REFUSED.in-addr.arpa"
+ case strings.Contains(errMsg, "network is unreachable"):
+ return "FAIL.NETWORK-UNREACHABLE.in-addr.arpa"
+ case strings.Contains(errMsg, "no route to host"):
+ return "FAIL.NO-ROUTE.in-addr.arpa"
+ case strings.Contains(errMsg, "Format error"):
+ return "FAIL.FORMAT-ERROR.in-addr.arpa"
+ case strings.Contains(errMsg, "Not Implemented"):
+ return "FAIL.NOT-IMPLEMENTED.in-addr.arpa"
+ case strings.Contains(errMsg, "truncated"):
+ return "FAIL.TRUNCATED.in-addr.arpa"
+ default:
+ return fmt.Sprintf("FAIL.%s.in-addr.arpa", strings.ReplaceAll(strings.ToUpper(errMsg), " ", "-"))
+ }
+}
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