Update crt_v2.go

adding a menu

crt_v2.go

@@ -9,8 +9,22 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"os"
 )
 
+var banner = `
+            _                
+   ___ _ __| |_   __ _  ___  
+ /  __| '__| __| / _  |/ _ \ 
+|  (__| |  | |_ | (_| | (_) |
+ \___ |_|   \__(_)__, |\___/ 
+         	 |___/       
+						 
+ [+] by @anakein
+ [+] https://github.com/an4kein
+ [-] Usage: crt.go <target>
+`
+
 type Crtsr struct {
 	CommonName string `json:"common_name"`
 }
@@ -33,10 +47,20 @@ func GetJsonFromCrt(domain string) {
 		fmt.Println("error:", err)
 	}
 	for _, subdomain := range subdomains {
-		fmt.Println("Found:", subdomain.CommonName)
+		fmt.Println(subdomain.CommonName)
 	}
+	fmt.Println("FOUND", len(subdomains), "SUBDOMAINS")
+
 }
 
 func main() {
-	GetJsonFromCrt("facebook.com")
+	fmt.Println(banner)
+	if os.Args != nil && len(os.Args) > 1 {
+		domain := os.Args[1]
+		if domain != "" {
+			fmt.Println("+---------------------=[Gathering Certificate Subdomains]=------------------------+")
+			GetJsonFromCrt(domain)
+			fmt.Println("+--------------------------------=[Done!]=----------------------------------------+")
+		}
+	}
 }