Load key fragments from multiple USB drives
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@ -3819,7 +3819,7 @@ function backup_to_friends_servers {
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echo ' if [ $REMOTE_DOMAIN ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo " cd /home/$MY_USERNAME/.gnupg_fragments" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo ' no_of_shares=$(ls -afq keyshare* | wc -l)' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo ' no_of_shares=$((no_of_fragments - 2))' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo ' no_of_shares=$((no_of_shares - 2))' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo ' if [[ ${no_of_shares} > 0 ]]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo ' # Pick a share index based on the domain name' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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echo ' # This ensures that the same share is always given to the same domain' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
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@ -271,65 +271,136 @@ function interactive_gpg_from_remote {
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return 0
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}
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function interactive_gpg_from_usb {
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dialog --title "Encryption keys" --msgbox 'Plug in a USB drive containing a copy of your .gnupg directory' 6 70
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function reconstruct_key {
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if [ ! -d /home/$MY_USERNAME/.gnupg_fragments ]; then
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return
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fi
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cd /home/$MY_USERNAME/.gnupg_fragments
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no_of_shares=$(ls -afq keyshare* | wc -l)
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no_of_shares=$((no_of_shares - 2))
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if [[ ${no_of_shares} < 4 ]]; then
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dialog --title "Encryption keys" --msgbox 'Not enough fragments to reconstruct the key' 6 70
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exit 7348
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fi
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gfcombine /home/$MY_USERNAME/.gnupg_fragments/keyshare*
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if [ ! "$?" = "0" ]; then
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dialog --title "Encryption keys" --msgbox 'Unable to reconstruct the key' 6 70
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exit 7348
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fi
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if [[ $INSTALLING_ON_BBB == "yes" ]]; then
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GPG_USB_DRIVE='/dev/sda1'
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if [ ! -b $GPG_USB_DRIVE ]; then
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dialog --title "Encryption keys" --msgbox 'No USB drive found' 6 30
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exit 739836
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fi
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else
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GPG_USB_DRIVE='/dev/sdb1'
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if [ ! -b $GPG_USB_DRIVE ]; then
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GPG_USB_DRIVE='/dev/sdc1'
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KEYS_FILE=/home/$MY_USERNAME/.gnupg_fragments/keyshare.asc
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if [ ! -f $KEYS_FILE ]; then
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dialog --title "Encryption keys" --msgbox 'Unable to reconstruct the key' 6 70
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fi
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su -c "gpg --allow-secret-key-import --import $KEYS_FILE" - $MY_USERNAME
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if [ ! "$?" = "0" ]; then
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echo 'Unable to import gpg key'
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shred -zu $KEYS_FILE
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rm -rf /home/$MY_USERNAME/.tempgnupg
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exit 9654
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fi
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dialog --title "Encryption keys" --msgbox 'Key has been reconstructed' 6 70
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}
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function interactive_gpg_from_usb {
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dialog --title "Encryption keys" --msgbox 'Plug in a USB drive containing a copy of your full key or key fragment' 6 70
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GPG_LOADING="yes"
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GPG_CTR=0
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while [[ $GPG_LOADING == "yes" ]]
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do
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if [[ $INSTALLING_ON_BBB == "yes" ]]; then
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GPG_USB_DRIVE='/dev/sda1'
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if [ ! -b $GPG_USB_DRIVE ]; then
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GPG_USB_DRIVE='/dev/sdd1'
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if [[ ${GPG_CTR} > 0 ]]; then
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reconstruct_key
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return 0
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fi
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dialog --title "Encryption keys" --msgbox 'No USB drive found' 6 30
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exit 739836
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fi
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else
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GPG_USB_DRIVE='/dev/sdb1'
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if [ ! -b $GPG_USB_DRIVE ]; then
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GPG_USB_DRIVE='/dev/sdc1'
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if [ ! -b $GPG_USB_DRIVE ]; then
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dialog --title "Encryption keys" --msgbox 'No USB drive found' 6 30
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exit 27852
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GPG_USB_DRIVE='/dev/sdd1'
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if [ ! -b $GPG_USB_DRIVE ]; then
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if [[ ${GPG_CTR} > 0 ]]; then
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reconstruct_key
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return 0
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fi
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dialog --title "Encryption keys" --msgbox 'No USB drive found' 6 30
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exit 27852
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fi
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fi
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fi
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fi
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fi
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GPG_USB_MOUNT='/mnt/usb'
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umount -f $GPG_USB_MOUNT
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if [ ! -d $GPG_USB_MOUNT ]; then
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mkdir -p $GPG_USB_MOUNT
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fi
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GPG_USB_MOUNT='/mnt/usb'
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umount -f $GPG_USB_MOUNT
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if [ ! -d $GPG_USB_MOUNT ]; then
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mkdir -p $GPG_USB_MOUNT
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fi
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if [ -f /dev/mapper/encrypted_usb ]; then
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rm -rf /dev/mapper/encrypted_usb
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fi
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cryptsetup luksClose encrypted_usb
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cryptsetup luksOpen $GPG_USB_DRIVE encrypted_usb
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if [ "$?" = "0" ]; then
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GPG_USB_DRIVE=/dev/mapper/encrypted_usb
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fi
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mount $GPG_USB_DRIVE $GPG_USB_MOUNT
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if [ ! "$?" = "0" ]; then
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dialog --title "Encryption keys" --msgbox "There was a problem mounting the USB drive to $GPG_USB_MOUNT" 6 70
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rm -rf $GPG_USB_MOUNT
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exit 74393
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fi
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if [ -f /dev/mapper/encrypted_usb ]; then
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rm -rf /dev/mapper/encrypted_usb
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fi
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cryptsetup luksClose encrypted_usb
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cryptsetup luksOpen $GPG_USB_DRIVE encrypted_usb
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if [ "$?" = "0" ]; then
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GPG_USB_DRIVE=/dev/mapper/encrypted_usb
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fi
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mount $GPG_USB_DRIVE $GPG_USB_MOUNT
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if [ ! "$?" = "0" ]; then
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if [[ ${GPG_CTR} > 0 ]]; then
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rm -rf $GPG_USB_MOUNT
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reconstruct_key
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return 0
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fi
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dialog --title "Encryption keys" \
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--msgbox "There was a problem mounting the USB drive to $GPG_USB_MOUNT" 6 70
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rm -rf $GPG_USB_MOUNT
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exit 74393
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fi
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if [ ! -d $GPG_USB_MOUNT/.gnupg ]; then
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if [ ! -d $GPG_USB_MOUNT/.gnupg_fragments ]; then
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if [[ ${GPG_CTR} > 0 ]]; then
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umount $GPG_USB_MOUNT
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rm -rf $GPG_USB_MOUNT
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reconstruct_key
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return 0
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fi
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dialog --title "Encryption keys" \
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--msgbox "The directory $GPG_USB_MOUNT/.gnupg or $GPG_USB_MOUNT/.gnupg_fragments was not found" 6 70
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umount $GPG_USB_MOUNT
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rm -rf $GPG_USB_MOUNT
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exit 723814
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fi
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fi
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if [ -d $GPG_USB_MOUNT/.gnupg ]; then
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cp -r $GPG_USB_MOUNT/.gnupg /home/$(grep 'MY_USERNAME' temp.cfg | awk -F '=' '{print $2}')
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GPG_LOADING="no"
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else
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cp -r $GPG_USB_MOUNT/.gnupg_fragments /home/$(grep 'MY_USERNAME' temp.cfg | awk -F '=' '{print $2}')
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fi
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if [ -d $GPG_USB_MOUNT/.ssh ]; then
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cp $GPG_USB_MOUNT/.ssh/* /home/$(grep 'MY_USERNAME' temp.cfg | awk -F '=' '{print $2}')/.ssh
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fi
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if [ ! -d $GPG_USB_MOUNT/.gnupg ]; then
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dialog --title "Encryption keys" --msgbox "The directory $GPG_USB_MOUNT/.gnupg was not found" 6 70
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umount $GPG_USB_MOUNT
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rm -rf $GPG_USB_MOUNT
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exit 723814
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fi
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cp -r $GPG_USB_MOUNT/.gnupg /home/$(grep 'MY_USERNAME' temp.cfg | awk -F '=' '{print $2}')
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if [ -d $GPG_USB_MOUNT/.ssh ]; then
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cp $GPG_USB_MOUNT/.ssh/* /home/$(grep 'MY_USERNAME' temp.cfg | awk -F '=' '{print $2}')/.ssh
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fi
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umount $GPG_USB_MOUNT
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rm -rf $GPG_USB_MOUNT
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if [[ $GPG_LOADING == "yes" ]]; then
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dialog --title "Encryption keys" \
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--msgbox "Now remove the USB drive. Insert the next drive containing a key fragment, or select Ok to finish" 6 70
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fi
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GPG_CTR=$((GPG_CTR + 1))
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done
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}
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function interactive_gpg {
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@ -342,7 +413,7 @@ function interactive_gpg {
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dialog --backtitle "Freedombone Configuration" \
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--radiolist "GPG/PGP keys for your system:" 13 70 3 \
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1 "Generate new keys (new user)" on \
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2 "Import keys from a USB drive" off \
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2 "Import keys from USB drive/s" off \
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3 "Retrieve keys from friends servers" off 2> $data
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sel=$?
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case $sel in
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@ -354,7 +425,7 @@ function interactive_gpg {
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2) interactive_gpg_from_usb
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return;;
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3) interactive_gpg_from_remote
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if [ ! "$?" = "0" ]; then
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if [ ! "$?" = "0" ]; then
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GPG_CONFIGURED="no"
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fi;;
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esac
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@ -117,7 +117,7 @@ if [ $FRIENDS_SERVERS_LIST ]; then
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fi
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fi
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done < $FRIENDS_SERVERS_LIST
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fi
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fi
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# was a directory created?
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if [ ! -d $FRAGMENTS_DIR ]; then
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@ -154,13 +154,11 @@ su -c "gpg --allow-secret-key-import --import $KEYS_FILE" - $MY_USERNAME
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if [ ! "$?" = "0" ]; then
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echo 'Unable to import gpg key'
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shred -zu $KEYS_FILE
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rm -rf /home/$MY_USERNAME/.tempgnupg
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exit 3682
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fi
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shred -zu $KEYS_FILE
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chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.gnupg
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chmod -R 600 /home/$MY_USERNAME/.gnupg
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rm -rf /home/$MY_USERNAME/.tempgnupg
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echo 'GPG key was recovered'
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