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Code Issues Releases Wiki Activity

Externalized sudoers, - superfluous code from patch_system_files

This commit is contained in:
billz 2020-03-20 09:55:49 +00:00
parent 49622dd4af
commit 1f538d4a77
1 changed files with 4 additions and 66 deletions
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70
installers/common.sh
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@ -324,76 +324,14 @@ function enable_raspap_daemon() {
sudo systemctl enable raspap.service || install_error "Failed to enable raspap.service"
}
# Add a single entry to the sudoers file
function sudo_add() {
sudo bash -c "echo \"$raspap_user ALL=(ALL) NOPASSWD:$1\" | tee -a $raspap_sudoers" \
|| install_error "Unable to patch /etc/sudoers"
}
# Adds www-data user to the sudoers file with restrictions on what the user can execute
# Add sudoers file to /etc/sudoers.d/ and set file permissions
function patch_system_files() {
# Set commands array
cmds=(
"/sbin/ifdown"
"/sbin/ifup"
"/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf"
"/bin/cat /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf"
"/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf"
"/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf"
"/sbin/wpa_cli -i wlan[0-9] scan_results"
"/sbin/wpa_cli -i wlan[0-9] scan"
"/sbin/wpa_cli -i wlan[0-9] reconfigure"
"/sbin/wpa_cli -i wlan[0-9] select_network"
"/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf"
"/bin/systemctl start hostapd.service"
"/bin/systemctl stop hostapd.service"
"/bin/systemctl start dnsmasq.service"
"/bin/systemctl stop dnsmasq.service"
"/bin/systemctl start openvpn-client@client"
"/bin/systemctl enable openvpn-client@client"
"/bin/systemctl stop openvpn-client@client"
"/bin/systemctl disable openvpn-client@client"
"/bin/cp /tmp/ovpnclient.ovpn /etc/openvpn/client/client.conf"
"/bin/cp /tmp/authdata /etc/openvpn/client/login.conf"
"/bin/cp /tmp/dnsmasqdata ${raspap_dnsmasq}"
"/bin/cp /tmp/dhcpddata /etc/dhcpcd.conf"
"/sbin/shutdown -h now"
"/sbin/reboot"
"/sbin/ip link set wlan[0-9] down"
"/sbin/ip link set wlan[0-9] up"
"/sbin/ip -s a f label wlan[0-9]"
"/bin/cp /etc/raspap/networking/dhcpcd.conf /etc/dhcpcd.conf"
"/etc/raspap/hostapd/enablelog.sh"
"/etc/raspap/hostapd/disablelog.sh"
"/etc/raspap/hostapd/servicestart.sh"
"/etc/raspap/lighttpd/configport.sh"
"/etc/raspap/openvpn/configauth.sh"
"/bin/chmod o+r /tmp/hostapd.log"
"/bin/chmod o+r /tmp/dnsmasq.log"
)
# Create sudoers if not present
if [ ! -f $raspap_sudoers ]; then
install_log "Creating ${raspap_sudoers}"
sudo touch $raspap_sudoers
fi
# Check if sudoers needs patching
if [ $(sudo grep -c $raspap_user $raspap_sudoers) -ne ${#cmds[@]} ]; then
# Sudoers file has incorrect number of commands. Wiping them out.
install_log "Cleaning system sudoers file"
sudo sed -i "/$raspap_user/d" $raspap_sudoers
install_log "Patching system sudoers file"
# patch /etc/sudoers.d/090_raspap file
for cmd in "${cmds[@]}"
do
sudo_add $cmd
IFS=$'\n'
done
else
install_log "Sudoers file already patched"
install_log "Adding raspap.sudoers to ${raspap_sudoers}"
sudo cp "$webroot_dir/installers/raspap.sudoers" $raspap_sudoers || install_error "Unable to apply raspap.sudoers to $raspap_sudoers"
sudo chmod 0440 $raspap_sudoers || install_error "Unable to change file permissions for $raspap_sudoers"
fi
# Add symlink to prevent wpa_cli cmds from breaking with multiple wlan interfaces