mirror of
https://github.com/pi-hole/docker-pi-hole.git
synced 2024-06-20 06:26:38 +02:00
2ebefaab12
Run installLogRotate from basic-install.sh to include the logrotate config in /etc/pihole (base image now includes logrotate)
416 lines
14 KiB
Bash
416 lines
14 KiB
Bash
#!/bin/bash
|
|
# Some of the bash_functions use variables these core pi-hole/web scripts
|
|
. /opt/pihole/webpage.sh
|
|
|
|
fix_capabilities() {
|
|
# Testing on Docker 20.10.14 with no caps set shows the following caps available to the container:
|
|
# Current: cap_chown,cap_dac_override,cap_fowner,cap_fsetid,cap_kill,cap_setgid,cap_setuid,cap_setpcap,cap_net_bind_service,cap_net_raw,cap_sys_chroot,cap_mknod,cap_audit_write,cap_setfcap=ep
|
|
# FTL can also use CAP_NET_ADMIN and CAP_SYS_NICE. If we try to set them when they haven't been explicitly enabled, FTL will not start. Test for them first:
|
|
|
|
/sbin/capsh --has-p=cap_chown 2>/dev/null && CAP_STR+=',CAP_CHOWN'
|
|
/sbin/capsh --has-p=cap_net_bind_service 2>/dev/null && CAP_STR+=',CAP_NET_BIND_SERVICE'
|
|
/sbin/capsh --has-p=cap_net_raw 2>/dev/null && CAP_STR+=',CAP_NET_RAW'
|
|
/sbin/capsh --has-p=cap_net_admin 2>/dev/null && CAP_STR+=',CAP_NET_ADMIN' || DHCP_READY='false'
|
|
/sbin/capsh --has-p=cap_sys_nice 2>/dev/null && CAP_STR+=',CAP_SYS_NICE'
|
|
|
|
if [[ ${CAP_STR} ]]; then
|
|
# We have the (some of) the above caps available to us - apply them to pihole-FTL
|
|
setcap ${CAP_STR:1}+ep $(which pihole-FTL) || ret=$?
|
|
|
|
if [[ $DHCP_READY == false ]] && [[ $DHCP_ACTIVE == true ]]; then
|
|
# DHCP is requested but NET_ADMIN is not available.
|
|
echo "ERROR: DHCP requested but NET_ADMIN is not available. DHCP will not be started."
|
|
echo " Please add cap_net_admin to the container's capabilities or disable DHCP."
|
|
DHCP_ACTIVE='false'
|
|
change_setting "DHCP_ACTIVE" "false"
|
|
fi
|
|
|
|
if [[ $ret -ne 0 && "${DNSMASQ_USER:-pihole}" != "root" ]]; then
|
|
echo "ERROR: Unable to set capabilities for pihole-FTL. Cannot run as non-root."
|
|
echo " If you are seeing this error, please set the environment variable 'DNSMASQ_USER' to the value 'root'"
|
|
exit 1
|
|
fi
|
|
else
|
|
echo "WARNING: Unable to set capabilities for pihole-FTL."
|
|
echo " Please ensure that the container has the required capabilities."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
prepare_configs() {
|
|
# Done in /start.sh, don't do twice
|
|
SKIP_INSTALL=true . "${PIHOLE_INSTALL}"
|
|
# Set Debian webserver variables for installConfigs
|
|
LIGHTTPD_USER="www-data"
|
|
LIGHTTPD_GROUP="www-data"
|
|
LIGHTTPD_CFG="lighttpd.conf.debian"
|
|
installConfigs
|
|
installLogrotate || true #installLogRotate can return 2 or 3, but we are still OK to continue in that case
|
|
|
|
if [ ! -f "${setupVars}" ]; then
|
|
install -m 644 /dev/null "${setupVars}"
|
|
echo "Creating empty ${setupVars} file."
|
|
fi
|
|
|
|
set +e
|
|
mkdir -p /var/run/pihole /var/log/pihole
|
|
|
|
chown pihole:root /etc/lighttpd
|
|
|
|
# In case of `pihole` UID being changed, re-chown the pihole scripts and pihole command
|
|
chown -R pihole:root "${PI_HOLE_INSTALL_DIR}"
|
|
chown pihole:root "${PI_HOLE_BIN_DIR}/pihole"
|
|
|
|
set -e
|
|
# Update version numbers
|
|
pihole updatechecker
|
|
# Re-write all of the setupVars to ensure required ones are present (like QUERY_LOGGING)
|
|
|
|
# If the setup variable file exists,
|
|
if [[ -e "${setupVars}" ]]; then
|
|
cp -f "${setupVars}" "${setupVars}.update.bak"
|
|
fi
|
|
|
|
# Remove any existing macvendor.db and replace it with a symblink to the one moved to the root directory (see install.sh)
|
|
if [[ -f "/etc/pihole/macvendor.db" ]]; then
|
|
rm /etc/pihole/macvendor.db
|
|
fi
|
|
ln -s /macvendor.db /etc/pihole/macvendor.db
|
|
}
|
|
|
|
validate_env() {
|
|
# Optional ServerIP is a valid IP
|
|
# nc won't throw any text based errors when it times out connecting to a valid IP, otherwise it complains about the DNS name being garbage
|
|
# if nc doesn't behave as we expect on a valid IP the routing table should be able to look it up and return a 0 retcode
|
|
if [[ "$(nc -4 -w1 -z "$ServerIP" 53 2>&1)" != "" ]] && ! ip route get "$ServerIP" > /dev/null ; then
|
|
echo "ERROR: ServerIP Environment variable ($ServerIP) doesn't appear to be a valid IPv4 address"
|
|
exit 1
|
|
fi
|
|
|
|
# Optional IPv6 is a valid address
|
|
if [[ -n "$ServerIPv6" ]] ; then
|
|
if [[ "$ServerIPv6" == 'kernel' ]] ; then
|
|
echo "ERROR: You passed in IPv6 with a value of 'kernel', this maybe because you do not have IPv6 enabled on your network"
|
|
unset ServerIPv6
|
|
exit 1
|
|
fi
|
|
if [[ "$(nc -6 -w1 -z "$ServerIPv6" 53 2>&1)" != "" ]] && ! ip route get "$ServerIPv6" > /dev/null ; then
|
|
echo "ERROR: ServerIPv6 Environment variable ($ServerIPv6) doesn't appear to be a valid IPv6 address"
|
|
echo " TIP: If your server is not IPv6 enabled just remove '-e ServerIPv6' from your docker container"
|
|
exit 1
|
|
fi
|
|
fi;
|
|
}
|
|
|
|
setup_dnsmasq_interface() {
|
|
local interface="${1:-eth0}"
|
|
local interfaceType='default'
|
|
if [ "$interface" != 'eth0' ] ; then
|
|
interfaceType='custom'
|
|
fi;
|
|
echo "DNSMasq binding to $interfaceType interface: $interface"
|
|
[ -n "$interface" ] && change_setting "PIHOLE_INTERFACE" "${interface}"
|
|
}
|
|
|
|
setup_dnsmasq_listening_behaviour() {
|
|
local dnsmasq_listening_behaviour="${1}"
|
|
|
|
if [ -n "$dnsmasq_listening_behaviour" ]; then
|
|
change_setting "DNSMASQ_LISTENING" "${dnsmasq_listening_behaviour}"
|
|
fi;
|
|
}
|
|
|
|
setup_dnsmasq_config_if_missing() {
|
|
# When fresh empty directory volumes are used we miss this file
|
|
if [ ! -f /etc/dnsmasq.d/01-pihole.conf ] ; then
|
|
cp /etc/.pihole/advanced/01-pihole.conf /etc/dnsmasq.d/
|
|
fi;
|
|
}
|
|
|
|
setup_dnsmasq() {
|
|
local interface="$1"
|
|
local dnsmasq_listening_behaviour="$2"
|
|
# Coordinates
|
|
setup_dnsmasq_config_if_missing
|
|
setup_dnsmasq_interface "$interface"
|
|
setup_dnsmasq_listening_behaviour "$dnsmasq_listening_behaviour"
|
|
setup_dnsmasq_user "${DNSMASQ_USER}"
|
|
setup_cache_size "${CUSTOM_CACHE_SIZE}"
|
|
ProcessDNSSettings
|
|
}
|
|
|
|
setup_dnsmasq_user() {
|
|
local DNSMASQ_USER="${1}"
|
|
|
|
# Run DNSMASQ as root user to avoid SHM permission issues
|
|
if grep -r -q '^\s*user=' /etc/dnsmasq.* ; then
|
|
# Change user that had been set previously to root
|
|
for f in $(grep -r -l '^\s*user=' /etc/dnsmasq.*); do
|
|
sed -i "/^\s*user=/ c\user=${DNSMASQ_USER}" "${f}"
|
|
done
|
|
else
|
|
echo -e "\nuser=${DNSMASQ_USER}" >> /etc/dnsmasq.conf
|
|
fi
|
|
}
|
|
|
|
setup_dnsmasq_hostnames() {
|
|
# largely borrowed from automated install/basic-install.sh
|
|
local IPV4_ADDRESS="${1}"
|
|
local IPV6_ADDRESS="${2}"
|
|
local hostname="${3}"
|
|
local dnsmasq_pihole_01_location="/etc/dnsmasq.d/01-pihole.conf"
|
|
|
|
if [ -z "$hostname" ]; then
|
|
if [[ -f /etc/hostname ]]; then
|
|
hostname=$(</etc/hostname)
|
|
elif [ -x "$(command -v hostname)" ]; then
|
|
hostname=$(hostname -f)
|
|
fi
|
|
fi;
|
|
|
|
if [[ "${IPV4_ADDRESS}" != "" ]]; then
|
|
tmp=${IPV4_ADDRESS%/*}
|
|
sed -i "s/@IPV4@/$tmp/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^address=\/pi.hole\/@IPV4@/d' ${dnsmasq_pihole_01_location}
|
|
sed -i '/^address=\/@HOSTNAME@\/@IPV4@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
if [[ "${IPV6_ADDRESS}" != "" ]]; then
|
|
sed -i "s/@IPv6@/$IPV6_ADDRESS/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^address=\/pi.hole\/@IPv6@/d' ${dnsmasq_pihole_01_location}
|
|
sed -i '/^address=\/@HOSTNAME@\/@IPv6@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
if [[ "${hostname}" != "" ]]; then
|
|
sed -i "s/@HOSTNAME@/$hostname/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^address=\/@HOSTNAME@*/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
}
|
|
|
|
setup_cache_size() {
|
|
local warning="WARNING: CUSTOM_CACHE_SIZE not used"
|
|
local dnsmasq_pihole_01_location="/etc/dnsmasq.d/01-pihole.conf"
|
|
# Quietly exit early for empty or default
|
|
if [[ -z "${1}" || "${1}" == '10000' ]] ; then return ; fi
|
|
|
|
if [[ "${DNSSEC}" == "true" ]] ; then
|
|
echo "$warning - Cannot change cache size if DNSSEC is enabled"
|
|
return
|
|
fi
|
|
|
|
if ! echo $1 | grep -q '^[0-9]*$' ; then
|
|
echo "$warning - $1 is not an integer"
|
|
return
|
|
fi
|
|
|
|
local -i custom_cache_size="$1"
|
|
if (( $custom_cache_size < 0 )); then
|
|
echo "$warning - $custom_cache_size is not a positive integer or zero"
|
|
return
|
|
fi
|
|
echo "Custom CUSTOM_CACHE_SIZE set to $custom_cache_size"
|
|
|
|
sed -i "s/^cache-size=\s*[0-9]*/cache-size=$custom_cache_size/" ${dnsmasq_pihole_01_location}
|
|
}
|
|
|
|
setup_lighttpd_bind() {
|
|
local serverip="$1"
|
|
# if using '--net=host' only bind lighttpd on $ServerIP and localhost
|
|
if grep -q "docker" /proc/net/dev && [[ $serverip != 0.0.0.0 ]]; then #docker (docker0 by default) should only be present on the host system
|
|
if ! grep -q "server.bind" /etc/lighttpd/lighttpd.conf ; then # if the declaration is already there, don't add it again
|
|
sed -i -E "s/server\.port\s+\=\s+([0-9]+)/server.bind\t\t = \"${serverip}\"\nserver.port\t\t = \1\n"\$SERVER"\[\"socket\"\] == \"127\.0\.0\.1:\1\" \{\}/" /etc/lighttpd/lighttpd.conf
|
|
fi
|
|
fi
|
|
}
|
|
|
|
setup_php_env() {
|
|
if [ -z "$VIRTUAL_HOST" ] ; then
|
|
VIRTUAL_HOST="$ServerIP"
|
|
fi;
|
|
|
|
for config_var in "VIRTUAL_HOST" "CORS_HOSTS" "ServerIP" "PHP_ERROR_LOG" "PIHOLE_DOCKER_TAG" "TZ"; do
|
|
local beginning_of_line="\t\t\t\"${config_var}\" => "
|
|
if grep -qP "$beginning_of_line" "$PHP_ENV_CONFIG" ; then
|
|
# replace line if already present
|
|
sed -i "/${beginning_of_line}/c\\${beginning_of_line}\"${!config_var}\"," "$PHP_ENV_CONFIG"
|
|
else
|
|
# add line otherwise
|
|
sed -i "/bin-environment/ a\\${beginning_of_line}\"${!config_var}\"," "$PHP_ENV_CONFIG"
|
|
fi
|
|
done
|
|
|
|
echo "Added ENV to php:"
|
|
grep -E '(VIRTUAL_HOST|CORS_HOSTS|ServerIP|PHP_ERROR_LOG|PIHOLE_DOCKER_TAG|TZ)' "$PHP_ENV_CONFIG"
|
|
}
|
|
|
|
setup_web_port() {
|
|
local warning="WARNING: Custom WEB_PORT not used"
|
|
# Quietly exit early for empty or default
|
|
if [[ -z "${1}" || "${1}" == '80' ]] ; then return ; fi
|
|
|
|
if ! echo $1 | grep -q '^[0-9][0-9]*$' ; then
|
|
echo "$warning - $1 is not an integer"
|
|
return
|
|
fi
|
|
|
|
local -i web_port="$1"
|
|
if (( $web_port < 1 || $web_port > 65535 )); then
|
|
echo "$warning - $web_port is not within valid port range of 1-65535"
|
|
return
|
|
fi
|
|
echo "Custom WEB_PORT set to $web_port"
|
|
echo "INFO: Without proper router DNAT forwarding to $ServerIP:$web_port, you may not get any blocked websites on ads"
|
|
|
|
# Update lighttpd's port
|
|
sed -i '/server.port\s*=\s*80\s*$/ s/80/'$WEB_PORT'/g' /etc/lighttpd/lighttpd.conf
|
|
|
|
}
|
|
|
|
load_web_password_secret() {
|
|
# If WEBPASSWORD is not set at all, attempt to read password from WEBPASSWORD_FILE,
|
|
# allowing secrets to be passed via docker secrets
|
|
if [ -z "${WEBPASSWORD+x}" ] && [ -n "${WEBPASSWORD_FILE}" ] && [ -r "${WEBPASSWORD_FILE}" ]; then
|
|
WEBPASSWORD=$(<"${WEBPASSWORD_FILE}")
|
|
fi;
|
|
}
|
|
|
|
|
|
|
|
setup_web_password() {
|
|
if [ -z "${WEBPASSWORD+x}" ] ; then
|
|
# ENV WEBPASSWORD is not set
|
|
|
|
# Exit if setupvars already has a password
|
|
setup_var_exists "WEBPASSWORD" && return
|
|
|
|
# Generate new random password
|
|
WEBPASSWORD=$(tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 8)
|
|
echo "Assigning random password: $WEBPASSWORD"
|
|
else
|
|
# ENV WEBPASSWORD is set an will be used
|
|
echo "::: Assigning password defined by Environment Variable"
|
|
fi
|
|
|
|
PASS="$WEBPASSWORD"
|
|
|
|
# Explicitly turn off bash printing when working with secrets
|
|
{ set +x; } 2>/dev/null
|
|
|
|
if [[ "$PASS" == "" ]] ; then
|
|
echo "" | pihole -a -p
|
|
else
|
|
pihole -a -p "$PASS" "$PASS"
|
|
fi
|
|
|
|
# To avoid printing this if conditional in bash debug, turn off debug above..
|
|
# then re-enable debug if necessary (more code but cleaner printed output)
|
|
if [ "${PH_VERBOSE:-0}" -gt 0 ] ; then
|
|
set -x
|
|
fi
|
|
}
|
|
|
|
setup_ipv4_ipv6() {
|
|
local ip_versions="IPv4 and IPv6"
|
|
if [ "${IPv6,,}" != "true" ] ; then
|
|
ip_versions="IPv4"
|
|
sed -i '/use-ipv6.pl/ d' /etc/lighttpd/lighttpd.conf
|
|
fi;
|
|
echo "Using $ip_versions"
|
|
}
|
|
|
|
test_configs() {
|
|
set -e
|
|
echo -n '::: Testing lighttpd config: '
|
|
lighttpd -t -f /etc/lighttpd/lighttpd.conf || exit 1
|
|
set +e
|
|
echo "::: All config checks passed, cleared for startup ..."
|
|
}
|
|
|
|
setup_blocklists() {
|
|
local blocklists="$1"
|
|
# Exit/return early without setting up adlists with defaults for any of the following conditions:
|
|
# 1. skip_setup_blocklists env is set
|
|
exit_string="(exiting ${FUNCNAME[0]} early)"
|
|
|
|
if [ -n "${skip_setup_blocklists}" ]; then
|
|
echo "::: skip_setup_blocklists requested ($exit_string)"
|
|
return
|
|
fi
|
|
|
|
# 2. The adlist file exists already (restarted container or volume mounted list)
|
|
if [ -f "${adlistFile}" ]; then
|
|
echo "::: Preexisting ad list ${adlistFile} detected ($exit_string)"
|
|
cat "${adlistFile}"
|
|
return
|
|
fi
|
|
|
|
echo "::: ${FUNCNAME[0]} now setting default blocklists up: "
|
|
echo "::: TIP: Use a docker volume for ${adlistFile} if you want to customize for first boot"
|
|
installDefaultBlocklists
|
|
|
|
echo "::: Blocklists (${adlistFile}) now set to:"
|
|
cat "${adlistFile}"
|
|
}
|
|
|
|
setup_var_exists() {
|
|
local KEY="$1"
|
|
if [ -n "$2" ]; then
|
|
local REQUIRED_VALUE="[^\n]+"
|
|
fi
|
|
if grep -Pq "^${KEY}=${REQUIRED_VALUE}" "$setupVars"; then
|
|
echo "::: Pre existing ${KEY} found"
|
|
true
|
|
else
|
|
false
|
|
fi
|
|
}
|
|
|
|
setup_temp_unit() {
|
|
local UNIT="$1"
|
|
# check if var is empty
|
|
if [[ "$UNIT" != "" ]] ; then
|
|
# check if we have valid units
|
|
if [[ "$UNIT" == "c" || "$UNIT" == "k" || $UNIT == "f" ]] ; then
|
|
pihole -a -${UNIT}
|
|
fi
|
|
fi
|
|
}
|
|
|
|
setup_ui_layout() {
|
|
local LO=$1
|
|
# check if var is empty
|
|
if [[ "$LO" != "" ]] ; then
|
|
# check if we have valid types boxed | traditional
|
|
if [[ "$LO" == "traditional" || "$LO" == "boxed" ]] ; then
|
|
change_setting "WEBUIBOXEDLAYOUT" "$WEBUIBOXEDLAYOUT"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
setup_admin_email() {
|
|
local EMAIL=$1
|
|
# check if var is empty
|
|
if [[ "$EMAIL" != "" ]] ; then
|
|
pihole -a -e "$EMAIL"
|
|
fi
|
|
}
|
|
|
|
setup_dhcp() {
|
|
if [ -z "${DHCP_START}" ] || [ -z "${DHCP_END}" ] || [ -z "${DHCP_ROUTER}" ]; then
|
|
echo "ERROR: Won't enable DHCP server because mandatory Environment variables are missing: DHCP_START, DHCP_END and/or DHCP_ROUTER"
|
|
change_setting "DHCP_ACTIVE" "false"
|
|
else
|
|
change_setting "DHCP_ACTIVE" "${DHCP_ACTIVE}"
|
|
change_setting "DHCP_START" "${DHCP_START}"
|
|
change_setting "DHCP_END" "${DHCP_END}"
|
|
change_setting "DHCP_ROUTER" "${DHCP_ROUTER}"
|
|
change_setting "DHCP_LEASETIME" "${DHCP_LEASETIME}"
|
|
change_setting "PIHOLE_DOMAIN" "${PIHOLE_DOMAIN}"
|
|
change_setting "DHCP_IPv6" "${DHCP_IPv6}"
|
|
change_setting "DHCP_rapid_commit" "${DHCP_rapid_commit}"
|
|
fi
|
|
}
|