Tor bridges accessible from control panel

src/freedombone-sec

@@ -752,15 +752,72 @@ function store_passwords {
 }
 
 function show_tor_bridges {
-    echo -n ''
+    if ! grep "bridge " /etc/tor/torrc; then
+        echo $'No Tor bridges have been added'
+        return
+    fi
+    clear
+    grep "bridge " /etc/tor/torrc
 }
 
 function add_tor_bridge {
-    echo -n ''
+    data=$(tempfile 2>/dev/null)
+    trap "rm -f $data" 0 1 2 5 15
+    dialog --backtitle $"Freedombone Control Panel" \
+           --title $"Add obfs4 Tor bridge" \
+           --form "\n" 9 60 4 \
+           $"IP address:" 1 1 "   .   .   .   " 1 15 16 16 \
+           $"Port:      " 2 1 "" 2 15 5 5 \
+           $"Key:       " 3 1 "" 3 15 250 250 \
+           2> $data
+    sel=$?
+    case $sel in
+        1) return;;
+        255) return;;
+    esac
+    bridge_ip_address=$(cat $data | sed -n 1p)
+    bridge_port=$(cat $data | sed -n 2p)
+    bridge_key=$(cat $data | sed -n 3p)
+    if [[ "${bridge_ip_address}" == *" "* ]]; then
+        return
+    fi
+    if [[ "${bridge_ip_address}" != *"."* ]]; then
+        return
+    fi
+    if [ ${#bridge_port} -eq 0 ]; then
+        return
+    fi
+    if [ ${#bridge_key} -eq 0 ]; then
+        return
+    fi
+    tor_add_bridge "${bridge_ip_address}" "${bridge_port}" "${bridge_key}"
+    dialog --title $"Add obfs4 Tor bridge" \
+           --msgbox $"Bridge added" 6 40
 }
 
 function remove_tor_bridge {
-    echo -n ''
+    data=$(tempfile 2>/dev/null)
+    trap "rm -f $data" 0 1 2 5 15
+    dialog --backtitle $"Freedombone Control Panel" \
+           --title $"Remove obfs4 Tor bridge" \
+           --form "\n" 7 60 1 \
+           $"IP address:" 1 1 "   .   .   .   " 1 15 16 16 \
+           2> $data
+    sel=$?
+    case $sel in
+        1) return;;
+        255) return;;
+    esac
+    bridge_ip_address=$(cat $data | sed -n 1p)
+    if [[ "${bridge_ip_address}" == *" "* ]]; then
+        return
+    fi
+    if [[ "${bridge_ip_address}" != *"."* ]]; then
+        return
+    fi
+    tor_remove_bridge "${bridge_ip_address}"
+    dialog --title $"Remove obfs4 Tor bridge" \
+           --msgbox $"Bridge removed" 6 40
 }
 
 function menu_security_settings {