mirror of
https://github.com/pivpn/pivpn.git
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106 lines
3.1 KiB
Bash
Executable file
106 lines
3.1 KiB
Bash
Executable file
#!/bin/bash
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# PiVPN: Backup Script
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# Find the rows and columns. Will default to 80x24 if it can not be detected.
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screen_size=$(stty size 2>/dev/null || echo 24 80)
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rows=$(echo "$screen_size" | awk '{print $1}')
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columns=$(echo "$screen_size" | awk '{print $2}')
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# Divide by two so the dialogs take up half of the screen, which looks nice.
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r=$(( rows / 2 ))
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c=$(( columns / 2 ))
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# Unless the screen is tiny
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r=$(( r < 20 ? 20 : r ))
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c=$(( c < 70 ? 70 : c ))
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backupdir=pivpnbackup
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date=$(date +%Y%m%d-%H%M%S)
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setupVarsFile="setupVars.conf"
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setupConfigDir="/etc/pivpn"
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if [ -r "${setupConfigDir}/wireguard/${setupVarsFile}" ] && [ -r "${setupConfigDir}/openvpn/${setupVarsFile}" ]; then
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# Two protocols have been installed, check if the script has passed
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# an argument, otherwise ask the user which one he wants to remove
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if [ $# -ge 1 ]; then
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VPN="$1"
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echo "::: Backing up VPN: $VPN"
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else
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chooseVPNCmd=(whiptail --backtitle "Setup PiVPN" --title "Backup" --separate-output --radiolist "Both OpenVPN and WireGuard are installed, choose a VPN to backup (press space to select):" "${r}" "${c}" 2)
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VPNChooseOptions=(WireGuard "" on
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OpenVPN "" off)
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if VPN=$("${chooseVPNCmd[@]}" "${VPNChooseOptions[@]}" 2>&1 >/dev/tty) ; then
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echo "::: Backing up VPN: $VPN"
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VPN="${VPN,,}"
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else
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echo "::: Cancel selected, exiting...."
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exit 1
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fi
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fi
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setupVars="${setupConfigDir}/${VPN}/${setupVarsFile}"
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else
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if [ -r "${setupConfigDir}/wireguard/${setupVarsFile}" ]; then
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setupVars="${setupConfigDir}/wireguard/${setupVarsFile}"
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elif [ -r "${setupConfigDir}/openvpn/${setupVarsFile}" ]; then
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setupVars="${setupConfigDir}/openvpn/${setupVarsFile}"
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fi
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fi
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if [ ! -f "${setupVars}" ]; then
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echo "::: Missing setup vars file!"
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exit 1
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fi
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# shellcheck disable=SC1090
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source "${setupVars}"
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checkbackupdir(){
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# Disabling shellcheck error $install_home sourced from $setupVars
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# shellcheck disable=SC2154
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if [[ ! -d $install_home/$backupdir ]]; then
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mkdir -p "$install_home"/"$backupdir"
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fi
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}
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backup_openvpn(){
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openvpndir=/etc/openvpn
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ovpnsdir=${install_home}/ovpns
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checkbackupdir
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backupzip=$date-pivpnovpnbackup.tgz
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# shellcheck disable=SC2210
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tar czpf "$install_home"/"$backupdir"/"$backupzip" "$openvpndir" "$ovpnsdir" > /dev/null 2>&1
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echo -e "Backup created in $install_home/$backupdir/$backupzip \nTo restore the backup, follow instructions at:\nhttps://docs.pivpn.io/openvpn/#migrating-pivpn-openvpn\n"
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}
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backup_wireguard(){
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wireguarddir=/etc/wireguard
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configsdir=${install_home}/configs
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checkbackupdir
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backupzip=$date-pivpnwgbackup.tgz
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tar czpf "$install_home"/"$backupdir"/"$backupzip" "$wireguarddir" "$configsdir" > /dev/null 2>&1
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echo -e "Backup created in $install_home/$backupdir/$backupzip \nTo restore the backup, follow instructions at:\nhttps://docs.pivpn.io/wireguard/#migrating-pivpn-wireguard\n"
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}
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if [[ ! $EUID -eq 0 ]];then
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if [[ $(dpkg-query -s sudo) ]];then
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export SUDO="sudo"
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else
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echo "::: Please install sudo or run this as root."
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exit 1
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fi
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fi
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if [[ "${VPN}" == "wireguard" ]]; then
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backup_wireguard
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else
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backup_openvpn
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fi
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