fix: permissions; unnecessary key reload when serving extern and root; reloading with rndc

Signed-off-by: Blackyfff <freifunk@freifunk-herpf.de>

usr/lib/ffdns/dns-functions.sh

@@ -49,7 +49,8 @@ zone \"""$1""\" {\n\
 }
 GetAllNameservers() {
 	sed -ne 's/^\s*'"$2"'\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Nn][Ss]\s\+\(\S\+\)/\3/p' "$3" | \
-	sed -e 's/\([^.]\)$/\1\.'"$1"'\./g;s/\.$//g'
+	sed -e 's/\([^.]\)$/\1\.'"$1"'\./g;s/\.$//g' | \
+	awk '!a[$0]++'
 }
 GetAllSubNameservers() {
 	Domain="$(SEDifyHostname "$1")"
@@ -281,10 +282,13 @@ ReloadZone() {
 			systemctl reload bind9 >/dev/null
 		elif [ $((DNSSCRIPT_BIND_RELOAD_VER)) -eq 1 ]; then
 			for Zone in $2; do
-				rndc reload "$1" IN "$Zone" 2>"/tmp/dnsscript_rndcerr" >/dev/null || \
-				[ -n "$3" ] && grep -q "failed: out of range" "/tmp/dnsscript_rndcerr" && \
-					rndc sync -clean "$1" IN "$Zone" >/dev/null || \
-				touch "/tmp/dnsscript-forcereconf"
+				if ! rndc reload "$1" IN "$Zone" 2>"/tmp/dnsscript_rndcerr" >/dev/null; then
+					if [ -n "$3" ] && grep -q "failed: out of range" "/tmp/dnsscript_rndcerr"; then
+						rndc sync -clean "$1" IN "$Zone" >/dev/null || touch "/tmp/dnsscript-forcereconf"
+					else
+						touch "/tmp/dnsscript-forcereconf"
+					fi
+				fi
 				rm -f "/tmp/dnsscript_rndcerr"
 			done
 		elif [ $((DNSSCRIPT_BIND_RELOAD_VER)) -eq 2 ]; then

usr/lib/ffdns/update-dns.sh

@@ -8,7 +8,7 @@
 # exit script when command fails
 set -e
 
-export DNSSCRIPT_VERSION="0.8.2"
+export DNSSCRIPT_VERSION="0.8.3"
 
 . /etc/ffdns/community.conf
 . /etc/ffdns/local.conf