up block TTL

This reverts commit 00a82aca87.

internal/authoritative.go

@@ -121,10 +121,16 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg, zone zoneView) {
 	}
 
 	if len(m.Answer) == 0 {
-		m.SetRcode(m, dns.RcodeNameError)
+		var soa dns.RR
+		for _, v := range zone.rr[dns.TypeSOA] {
+			if len(v) == 1 {
+				soa = v[0]
+			}
+		}
+		if soa != nil {
+			m.Extra = append(m.Extra, soa)
+		}
 	}
-
-	debugResponse(m)
 
 	w.WriteMsg(m)
 }

internal/blacklist.go

@@ -12,7 +12,7 @@ import (
 	"github.com/miekg/dns"
 )
 
-const blockTTL uint32 = 300
+const blockTTL uint32 = 604800
 
 var nullIPv4 = net.IPv4(0, 0, 0, 0)
 var nullIPv6 = net.ParseIP("::/0")
@@ -86,12 +86,10 @@ func parseRawBlacklist(blacklist configBlacklist, raw string) []string {
 // parseHostFormat parse the string in the format of a hostfile
 func parseHostFormat(raw string) []string {
 	finalList := make([]string, 0)
-	reg := regexp.MustCompile(`(?mi)^\s*(#*)\s*(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+([a-zA-Z0-9\.\- ]+)$`)
+	reg := regexp.MustCompile(`(?m)^\s*(0\.0\.0\.0) ([a-zA-Z0-9-.]*)`)
 	matches := reg.FindAllStringSubmatch(raw, -1)
 	for _, match := range matches {
-		if match[1] != "#" {
-			finalList = append(finalList, dns.Fqdn(match[3]))
-		}
+		finalList = append(finalList, dns.Fqdn(match[2]))
 	}
 
 	return finalList

internal/cooldns.go

@@ -18,13 +18,6 @@ type zoneMap map[string][]zoneView
 
 // Start starts cooldns
 func Start(configPath string) {
-
-	debug := os.Getenv("COOLDNS_DEBUG")
-	if len(debug) != 0 {
-		debugFlag = true
-		debugLog("Enabled debug")
-	}
-
 	config, err := loadConfig(configPath)
 	if err != nil {
 		log.Fatalf("Failed to load config: %s\n", err.Error())
@@ -87,8 +80,6 @@ func createServer(zones zoneMap, config config, aclList map[string]*net.IPNet, b
 			return
 		}
 
-		debugRequest(r, ip)
-
 		// Check if it is a ACME DNS-01 challange
 		if config.Lego.Enable && handleACMERequest(w, r, acmeList) {
 			return
@@ -105,7 +96,6 @@ func createServer(zones zoneMap, config config, aclList map[string]*net.IPNet, b
 			handleBlockedDomain(w, r)
 		} else {
 			// Forward request
-			debugLog("Forwarded request")
 			in, _, err := c.Exchange(r, config.Forward.Server)
 
 			if err != nil {
@@ -177,8 +167,6 @@ func createHandler(zones []zoneView, config config, aclList map[string]*net.IPNe
 			return
 		}
 
-		debugRequest(r, ip)
-
 		// Check if it is a ACME DNS-01 challange
 		if config.Lego.Enable && handleACMERequest(w, r, acmeList) {
 			return

internal/debug.go

@@ -1,35 +0,0 @@
-package cooldns
-
-import (
-	"fmt"
-	"log"
-	"net"
-
-	"github.com/miekg/dns"
-)
-
-var debugFlag = false
-
-func debugLog(msg string) {
-	if !debugFlag {
-		return
-	}
-
-	log.Printf("DEBUG: %s", msg)
-}
-
-func debugRequest(r *dns.Msg, ip net.IP) {
-	if !debugFlag {
-		return
-	}
-
-	debugLog(fmt.Sprintf("Request from %s: %s", ip, r.String()))
-}
-
-func debugResponse(m *dns.Msg) {
-	if !debugFlag {
-		return
-	}
-
-	debugLog(fmt.Sprintf("Response send: %s", m.String()))
-}