rerouting DNS requests reborn

dist-std/cm-data/99-perso.sh.addon

@@ -3,6 +3,8 @@ __HEADER__
 # For OpenCamera to be picked by android 11 camera intend, it must be promoted system application
 list_files() {
 cat <<EOF
+etc/init/reroute-dns.rc
+bin/reroute-dns.sh
 priv-app/OpenCamera/OpenCamera.apk
 EOF
 }
@@ -123,7 +125,11 @@ case "$1" in
     for i in $(list_files); do
       f=$(get_output_path "$SYS/$i")
       chown root:root $f
-      chmod 644 $f
+      if [ "${f##*.}" = "sh" ] ; then
+        chmod 755 $f
+      else
+        chmod 644 $f
+      fi
       chmod 755 $(dirname $f)
     done
   ;;

dist-std/cm-data/reroute-dns.rc

@@ -0,0 +1,2 @@
+on boot
+    exec u:r:su:s0 root root -- /system/bin/reroute-dns.sh

dist-std/cm-data/reroute-dns.sh

@@ -0,0 +1,7 @@
+#!/system/bin/sh
+
+export PATH=/system/bin
+
+iptables -t nat -A OUTPUT ! -o tun0 -p udp --dport 53 -j DNAT --to-destination 1.1.1.1
+iptables -t nat -A OUTPUT ! -o tun0 -p tcp --dport 53 -j DNAT --to-destination 1.1.1.1
+

dist-std/cm.sh

@@ -10,11 +10,15 @@ cd "$(dirname $0)"
 
 export PATH="${PATH}:${SYSTEM}/bin:${SYSTEM}/xbin"
 
-# install setup script
-echo "Installing setup script"
-cp cm-data/system-setup-runonce.sh /sdcard/system-setup-runonce.sh
-chown root:root /sdcard/system-setup-runonce.sh
-chmod 750 /sdcard/system-setup-runonce.sh
+# install iptables script
+echo "Installing iptables script"
+cp cm-data/reroute-dns.sh ${SYSTEM}/bin/reroute-dns.sh
+chown root:root ${SYSTEM}/bin/reroute-dns.sh
+chmod 755 ${SYSTEM}/bin/reroute-dns.sh
+# install iptables rc
+cp cm-data/reroute-dns.rc ${SYSTEM}/etc/init/reroute-dns.rc
+chown root:root ${SYSTEM}/etc/init/reroute-dns.rc
+chmod 644 ${SYSTEM}/etc/init/reroute-dns.rc
 
 # install restore script
 echo "Installing restore script"