Mounting and unmounting the usb drive

src/freedombone-utils-keys

             exit 739836
         fi
 
-        GPG_USB_MOUNT='/mnt/usb'
-        umount -f $GPG_USB_MOUNT
-        if [ ! -d $GPG_USB_MOUNT ]; then
-            mkdir -p $GPG_USB_MOUNT
-        fi
+        backup_mount_drive ${USB_DRIVE} ${MY_USERNAME}
 
-        if [ -f /dev/mapper/encrypted_usb ]; then
-            rm -rf /dev/mapper/encrypted_usb
-        fi
-        cryptsetup luksClose encrypted_usb
-        cryptsetup luksOpen $USB_DRIVE encrypted_usb
-        if [ "$?" = "0" ]; then
-            USB_DRIVE=/dev/mapper/encrypted_usb
-        fi
-        mount $USB_DRIVE $GPG_USB_MOUNT
-        if [ ! "$?" = "0" ]; then
+        if [ ! -d $USB_MOUNT ]; then
             if (( GPG_CTR > 0 )); then
-                rm -rf $GPG_USB_MOUNT
+                backup_unmount_drive ${USB_DRIVE}
                 reconstruct_key
                 return 0
             fi
             dialog --title $"Recover Encryption Keys" \
-                   --msgbox $"There was a problem mounting the USB drive to $GPG_USB_MOUNT" 6 70
-            rm -rf $GPG_USB_MOUNT
+                   --msgbox $"There was a problem mounting the USB drive $USB_DRIVE to $USB_MOUNT" 6 70
+            backup_unmount_drive ${USB_DRIVE}
             exit 74393
         fi
 
-        if [ ! -d $GPG_USB_MOUNT/.gnupg ]; then
-            if [ ! -d $GPG_USB_MOUNT/.gnupg_fragments ]; then
+        if [ ! -d $USB_MOUNT/.gnupg ]; then
+            if [ ! -d $USB_MOUNT/.gnupg_fragments ]; then
                 if (( GPG_CTR > 0 )); then
-                    umount -f $GPG_USB_MOUNT
-                    rm -rf $GPG_USB_MOUNT
+                    backup_unmount_drive ${USB_DRIVE}
                     reconstruct_key
                     return 0
                 fi
                 dialog --title $"Recover Encryption Keys" \
-                       --msgbox $"The directory $GPG_USB_MOUNT/.gnupg or $GPG_USB_MOUNT/.gnupg_fragments was not found" 6 70
-                umount -f $GPG_USB_MOUNT
-                rm -rf $GPG_USB_MOUNT
+                       --msgbox $"The directory $USB_MOUNT/.gnupg or $USB_MOUNT/.gnupg_fragments was not found" 6 70
+                backup_unmount_drive ${USB_DRIVE}
                 exit 723814
             fi
         fi
 
-        if [ -d $GPG_USB_MOUNT/letsencrypt ]; then
+        if [ -d $USB_MOUNT/letsencrypt ]; then
             if [ ! -d /etc/letsencrypt ]; then
                 mkdir /etc/letsencrypt
             fi
             echo $'Recovering LetsEncrypt keys'
-            cp -r $GPG_USB_MOUNT/letsencrypt/* /etc/letsencrypt
+            cp -r $USB_MOUNT/letsencrypt/* /etc/letsencrypt
         fi
 
-        if [ -d $GPG_USB_MOUNT/.gnupg ]; then
+        if [ -d $USB_MOUNT/.gnupg ]; then
             if [ ! -d $HOME_DIR/.gnupg ]; then
                 mkdir $HOME_DIR/.gnupg
             fi
             echo $'Recovering GPG keys'
-            cp -r $GPG_USB_MOUNT/.gnupg/* $HOME_DIR/.gnupg
+            cp -r $USB_MOUNT/.gnupg/* $HOME_DIR/.gnupg
             GPG_LOADING="no"
             dialog --title $"Recover Encryption Keys" \
                    --msgbox $"GPG Keyring loaded to $HOME_DIR" 6 70
             if [ ! -d $HOME_DIR/.gnupg_fragments ]; then
                 mkdir $HOME_DIR/.gnupg_fragments
             fi
-            cp -r $GPG_USB_MOUNT/.gnupg_fragments/* $HOME_DIR/.gnupg_fragments
+            cp -r $USB_MOUNT/.gnupg_fragments/* $HOME_DIR/.gnupg_fragments
         fi
 
         if [[ $SSH_IMPORTED == "no" ]]; then
-            if [ -d $GPG_USB_MOUNT/.ssh ]; then
+            if [ -d $USB_MOUNT/.ssh ]; then
                 if [ ! -d $HOME_DIR/.ssh ]; then
                     mkdir $HOME_DIR/.ssh
                 fi
-                cp $GPG_USB_MOUNT/.ssh/* $HOME_DIR/.ssh
+                cp $USB_MOUNT/.ssh/* $HOME_DIR/.ssh
                 dialog --title $"Recover Encryption Keys" \
                        --msgbox $"ssh keys imported" 6 70
                 SSH_IMPORTED="yes"
             fi
         fi
 
-        umount -f $GPG_USB_MOUNT
-        rm -rf $GPG_USB_MOUNT
+        backup_unmount_drive ${USB_DRIVE}
         if [[ $GPG_LOADING == "yes" ]]; then
             dialog --title $"Recover Encryption Keys" \
                    --msgbox $"Now remove the USB drive. Insert the next drive containing a key fragment, or select Ok to finish" 6 70