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Updated installer script to backup more configuration files and appends dates when renaming old installation files when doing an inplace reinstall

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This commit is contained in:
Lawrence 2017-10-02 03:34:14 +08:00
parent 61d450d1c7
commit de7303883b
1 changed files with 47 additions and 20 deletions
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67
installers/common.sh
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@ -114,11 +114,23 @@ function change_file_ownership() {
# Check for existing /etc/network/interfaces and /etc/hostapd/hostapd.conf files
function check_for_old_configs() {
if [ -f /etc/network/interfaces ]; then
sudo mv /etc/network/interfaces "$raspap_dir/backups"
sudo mv /etc/network/interfaces "$raspap_dir/backups/interfaces.`date +%F-%R`"
ln -s "$raspap_dir/backups/interfaces.`date +%F-%R`" "$raspap_dir/backups/interfaces"
fi
if [ -f /etc/hostapd/hostapd.conf ]; then
sudo mv /etc/hostapd/hostapd.conf "$raspap_dir/backups"
sudo mv /etc/hostapd/hostapd.conf "$raspap_dir/backups/hostapd.conf.`date +%F-%R`"
ln -s "$raspap_dir/backups/hostapd.conf.`date +%F-%R`" "$raspap_dir/backups/hostapd.conf"
fi
if [ -f /etc/dnsmasq.conf ]; then
sudo mv /etc/dnsmasq.conf "$raspap_dir/backups/dnsmasq.conf.`date +%F-%R`"
ln -s "$raspap_dir/backups/dnsmasq.conf.`date +%F-%R`" "$raspap_dir/backups/dnsmasq.conf"
fi
if [ -f /etc/dhcpcd.conf ]; then
sudo mv /etc/dhcpcd.conf "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`"
ln -s "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`" "$raspap_dir/backups/dhcpcd.conf"
fi
}
@ -154,28 +166,43 @@ function sudo_add() {
# Adds www-data user to the sudoers file with restrictions on what the user can execute
function patch_system_files() {
# patch /etc/sudoers file
install_log "Patching system sudoers file"
sudo_add '/sbin/ifdown wlan0'
sudo_add '/sbin/ifup wlan0'
sudo_add '/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf'
sudo_add '/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf'
sudo_add '/sbin/wpa_cli scan_results'
sudo_add '/sbin/wpa_cli scan'
sudo_add '/sbin/wpa_cli reconfigure'
sudo_add '/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf'
sudo_add '/etc/init.d/hostapd start'
sudo_add '/etc/init.d/hostapd stop'
sudo_add '/etc/init.d/dnsmasq start'
sudo_add '/etc/init.d/dnsmasq stop'
sudo_add '/bin/cp /tmp/dhcpddata /etc/dnsmasq.conf'
sudo_add '/sbin/shutdown -h now'
sudo_add '/sbin/reboot'
# Set commands array
cmds=(
'/sbin/ifdown wlan0'
'/sbin/ifup wlan0'
'/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf'
'/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf'
'/sbin/wpa_cli scan_results'
'/sbin/wpa_cli scan'
'/sbin/wpa_cli reconfigure'
'/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf'
'/etc/init.d/hostapd start'
'/etc/init.d/hostapd stop'
'/etc/init.d/dnsmasq start'
'/etc/init.d/dnsmasq stop'
'/bin/cp /tmp/dhcpddata /etc/dnsmasq.conf'
'/sbin/shutdown -h now'
'/sbin/reboot'
)
# Check if sudoers needs patchin
if [ $(sudo grep -c www-data /etc/sudoers) -ne 15 ]; then
# Sudoers file has incorrect number of commands. Wiping them out.
install_log "Cleaning sudoers file"
sudo sed -i '/www-data/d' /etc/sudoers
install_log "Patching system sudoers file"
# patch /etc/sudoers file
for cmd in "${cmds[@]}"; do
sudo_add $cmd
done
else
install_log "Sudoers file already patched"
fi
}
function install_complete() {
install_log "Installation completed!"
echo -n "The system needs to be rebooted as a final step. Reboot now? [y/N]: "
read answer
if [[ $answer != "y" ]]; then