Installing tor from backports

src/freedombone-image-customise

@@ -1623,7 +1623,7 @@ EOF
 
     if [[ "$VARIANT" == "usb" ]]; then
         # tor
-        chroot "$rootdir" apt-get -yq install tor
+        chroot "$rootdir" apt-get -yq -t stretch-backports install tor
 
         # xmpp client
         chroot "$rootdir" echo "deb ftp://ftp.gajim.org/debian unstable main" > /etc/apt/sources.list.d/gajim.list
@@ -1756,7 +1756,8 @@ image_setup_utils() {
     chroot "$rootdir" apt-get -yq install vim-common python3 unattended-upgrades
 
     # Tor and ssh over tor
-    chroot "$rootdir" apt-get -yq install tor connect-proxy
+    chroot "$rootdir" apt-get -yq -t stretch-backports install tor
+    chroot "$rootdir" apt-get -yq install connect-proxy
     chroot "$rootdir" connect-proxy
     sed -i 's|#Log notice file.*|Log notice file /dev/null|g' "$rootdir/etc/tor/torrc"
     sed -i 's|Log notice file.*|Log notice file /dev/null|g' "$rootdir/etc/tor/torrc"

src/freedombone-utils-onion

@@ -224,7 +224,8 @@ function enable_ssh_via_onion {
     if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
         return
     fi
-    apt-get -yq install tor connect-proxy
+    echo 'N' | apt-get -yq -t stretch-backports install tor
+    apt-get -yq install connect-proxy
     if ! grep -q 'Host *.onion' "/home/$MY_USERNAME/.ssh/config"; then
         if [ ! -d "/home/$MY_USERNAME/.ssh" ]; then
             mkdir "/home/$MY_USERNAME/.ssh"
@@ -339,7 +340,8 @@ function route_outgoing_traffic_through_tor {
     if [[ $ROUTE_THROUGH_TOR != "yes" ]]; then
         return
     fi
-    apt-get -yq install tor tor-arm
+    echo 'N' | apt-get -yq -t stretch-backports install tor
+    echo 'N' | apt-get -yq -t stretch-backports install tor-arm
 
     ### set variables
     # Destinations you don't want routed through Tor