Add support to enable/disable network proxy client configuration (RPi…

…-Distro#69)

raspi-config

@@ -1203,6 +1203,43 @@ do_net_names () {
   fi
  }
 
+do_net_proxy () {
+  CURRENT_HTTP_PROXY=`echo $http_proxy`
+  CURRENT_HTTPS_PROXY=`echo $https_proxy`
+  CURRENT_FTP_PROXY=`echo $ftp_proxy`
+
+  if [ "$INTERACTIVE" = True ]; then
+
+    NEW_HTTP_PROXY=$(whiptail --inputbox "Please enter HTTP Proxy address. Eg: http://user:pass@proxy:8080" 10 70 "$CURRENT_HTTP_PROXY" 3>&1 1>&2 2>&3)
+    sed -i '/http_proxy/d' /root/.bashrc
+    sed -i '/http_proxy/d' /home/pi/.bashrc
+    if [ ! -z $NEW_HTTP_PROXY ]; then
+      echo "http_proxy=$NEW_HTTP_PROXY" >> /root/.bashrc
+      echo "http_proxy=$NEW_HTTP_PROXY" >> /home/pi/.bashrc
+      ASK_TO_REBOOT=1
+    fi
+
+    NEW_HTTPS_PROXY=$(whiptail --inputbox "Please enter HTTPS Proxy address. Eg: http://user:pass@proxy:8080" 10 70 "$CURRENT_HTTPS_PROXY" 3>&1 1>&2 2>&3)
+    sed -i '/https_proxy/d' /root/.bashrc
+    sed -i '/https_proxy/d' /home/pi/.bashrc
+    if [ ! -z $NEW_HTTPS_PROXY ]; then
+      echo "https_proxy=$NEW_HTTPS_PROXY" >> /root/.bashrc
+      echo "https_proxy=$NEW_HTTPS_PROXY" >> /home/pi/.bashrc
+      ASK_TO_REBOOT=1
+    fi
+
+    NEW_FTP_PROXY=$(whiptail --inputbox "Please enter FTP Proxy address. Eg: http://user:pass@proxy:8080" 10 70 "$CURRENT_FTP_PROXY" 3>&1 1>&2 2>&3)
+    sed -i '/ftp_proxy/d' /root/.bashrc
+    sed -i '/ftp_proxy/d' /home/pi/.bashrc
+    if [ ! -z $NEW_FTP_PROXY ]; then
+      echo "ftp_proxy=$NEW_FTP_PROXY" >> /root/.bashrc
+      echo "ftp_proxy=$NEW_FTP_PROXY" >> /home/pi/.bashrc
+      ASK_TO_REBOOT=1
+    fi
+
+  fi
+}
+
 do_update() {
   apt-get update &&
   apt-get install raspi-config &&
@@ -1653,6 +1690,7 @@ do_network_menu() {
     "N1 Hostname" "Set the visible name for this Pi on a network" \
     "N2 Wi-fi" "Enter SSID and passphrase" \
     "N3 Network interface names" "Enable/Disable predictable network interface names" \
+    "N4 Network Proxy client" "Enable/Disable network proxy client configuration" \
     3>&1 1>&2 2>&3)
   RET=$?
   if [ $RET -eq 1 ]; then
@@ -1662,6 +1700,7 @@ do_network_menu() {
       N1\ *) do_hostname ;;
       N2\ *) do_wifi_ssid_passphrase ;;
       N3\ *) do_net_names ;;
+      N4\ *) do_net_proxy ;;
       *) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
     esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
   fi