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package prober
import (
"dtool/utils"
_ "fmt"
"strconv"
"strings"
"time"
"github.com/miekg/dns"
)
const query_num = 20
type CacheStruct struct {
target string
dict map[int]map[string]bool
}
func RecursiveCacheProbe(ip string, sld string) CacheStruct {
data := CacheStruct{ip, make(map[int]map[string]bool)}
stop := 0
time_now := strconv.FormatInt(time.Now().Unix(), 10)
for i := 0; i < query_num; i++ {
if stop >= 3 {
break
}
subdomain := strings.Join([]string{strings.Replace(ip, ".", "-", -1), "fwd", strconv.Itoa(i), time_now}, "-")
domain := dns.Fqdn(subdomain + "." + sld)
res, err := utils.SendQuery(ip, domain)
if err != nil {
//fmt.Printf("Error sending query: %s\n", err)
stop += 1
continue
}
cache_id, rdns, err := utils.ParseCNAMEChain(res)
if err != nil {
//fmt.Printf("Error parsing response: %s\n", err)
stop += 1
continue
}
if data.dict[cache_id] == nil {
data.dict[cache_id] = make(map[string]bool)
}
data.dict[cache_id][rdns] = true
stop = 0
}
return data
}
func RecursiveCacheTest(ip string, num int) {
res := make(map[string]map[int][]string)
temp := make(map[int][]string)
data := RecursiveCacheProbe(ip, "echodns.xyz")
if len(data.dict) > 0 {
for cache_id := range data.dict {
for rdns := range data.dict[cache_id] {
temp[cache_id] = append(temp[cache_id], rdns)
}
}
}
res[ip] = temp
utils.OutputJSON(res, "-", " ")
}
func ClientCacheProbe(ip string) {
}
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