. /etc/sysconfig/rc
. ${rc_functions}
-TEST_DOMAIN="ipfire.org"
-
-# This domain will never validate
-TEST_DOMAIN_FAIL="dnssec-failed.org"
-
# Cache any local zones for 60 seconds
LOCAL_TTL=60
# Load configuration
eval $(/usr/local/bin/readhash /var/ipfire/dns/settings)
-
-DIG_ARGS=()
-
-if [ "${PROTO}" = "TCP" ]; then
- DIG_ARGS+=( "+tcp" )
-fi
+eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
ip_address_revptr() {
local addr=${1}
}
read_name_servers() {
- local i
- for i in 1 2; do
- echo "$(</var/ipfire/red/dns${i})"
- done 2>/dev/null | xargs echo
-}
-
-check_red_has_carrier_and_ip() {
- # Interface configured ?
- [ ! -e "/var/ipfire/red/iface" ] && return 0;
-
- # Interface present ?
- [ ! -e "/sys/class/net/$(</var/ipfire/red/iface)" ] && return 0;
-
- # has carrier ?
- [ ! "$(</sys/class/net/$(</var/ipfire/red/iface)/carrier)" = "1" ] && return 0;
+ # Read name servers from ISP
+ if [ "${USE_ISP_NAMESERVERS}" = "on" -a "${PROTO}" != "TLS" ]; then
+ local i
+ for i in 1 2; do
+ echo "$(</var/run/dns${i})"
+ done 2>/dev/null
+ fi
- # has ip ?
- [ "$(ip address show dev $(</var/ipfire/red/iface) | grep "inet")" = "" ] && return 0;
+ # Read configured name servers
+ local id address tls_hostname enabled remark
+ while IFS="," read -r id address tls_hostname enabled remark; do
+ [ "${enabled}" != "enabled" ] && continue
- return 1;
+ if [ "${PROTO}" = "TLS" ]; then
+ if [ -n "${tls_hostname}" ]; then
+ echo "${address}@853#${tls_hostname}"
+ fi
+ else
+ echo "${address}"
+ fi
+ done < /var/ipfire/dns/servers
}
config_header() {
echo
}
-own_hostname() {
- local hostname=$(hostname -f)
- # 1.1.1.1 is reserved for unused green, skip this
- if [ -n "${GREEN_ADDRESS}" -a "${GREEN_ADDRESS}" != "1.1.1.1" ]; then
- unbound-control -q local_data "${hostname} ${LOCAL_TTL} IN A ${GREEN_ADDRESS}"
- fi
-
- local address
- for address in ${GREEN_ADDRESS} ${BLUE_ADDRESS} ${ORANGE_ADDRESS}; do
- [ -n "${address}" ] || continue
- [ "${address}" = "1.1.1.1" ] && continue
+write_hosts_conf() {
+ (
+ config_header
- address=$(ip_address_revptr ${address})
- unbound-control -q local_data "${address} ${LOCAL_TTL} IN PTR ${hostname}"
- done
-}
+ # Make own hostname resolveable
+ # 1.1.1.1 is reserved for unused green, skip this
+ if [ -n "${GREEN_ADDRESS}" -a "${GREEN_ADDRESS}" != "1.1.1.1" ]; then
+ echo "local-data: \"${HOSTNAME} ${LOCAL_TTL} IN A ${GREEN_ADDRESS}\""
+ fi
-update_hosts() {
- local enabled address hostname domainname generateptr
+ local address
+ for address in ${GREEN_ADDRESS} ${BLUE_ADDRESS} ${ORANGE_ADDRESS}; do
+ [ -n "${address}" ] || continue
+ [ "${address}" = "1.1.1.1" ] && continue
- while IFS="," read -r enabled address hostname domainname generateptr; do
- [ "${enabled}" = "on" ] || continue
+ address=$(ip_address_revptr ${address})
+ echo "local-data: \"${address} ${LOCAL_TTL} IN PTR ${HOSTNAME}\""
+ done
- # Build FQDN
- local fqdn="${hostname}.${domainname}"
+ # Add all hosts
+ local enabled address hostname domainname generateptr
+ while IFS="," read -r enabled address hostname domainname generateptr; do
+ [ "${enabled}" = "on" ] || continue
- unbound-control -q local_data "${fqdn} ${LOCAL_TTL} IN A ${address}"
+ # Build FQDN
+ local fqdn="${hostname}.${domainname}"
+ echo "local-data: \"${fqdn} ${LOCAL_TTL} IN A ${address}\""
- # Skip reverse resolution if the address equals the GREEN address
- [ "${address}" = "${GREEN_ADDRESS}" ] && continue
+ # Skip reverse resolution if the address equals the GREEN address
+ [ "${address}" = "${GREEN_ADDRESS}" ] && continue
- # Skip reverse resolution if user requested not to do so
- [ "${generateptr}" = "off" ] && continue
+ # Skip reverse resolution if user requested not to do so
+ [ "${generateptr}" = "off" ] && continue
- # Add RDNS
- address=$(ip_address_revptr ${address})
- unbound-control -q local_data "${address} ${LOCAL_TTL} IN PTR ${fqdn}"
- done < /var/ipfire/main/hosts
+ # Add RDNS
+ address=$(ip_address_revptr ${address})
+ echo "local-data: \"${address} ${LOCAL_TTL} IN PTR ${fqdn}\""
+ done < /var/ipfire/main/hosts
+ ) > /etc/unbound/hosts.conf
}
write_forward_conf() {
(
config_header
+ # Enable strict QNAME minimisation
+ if [ "${QNAME_MIN}" = "strict" ]; then
+ echo "server:"
+ echo " qname-minimisation-strict: yes"
+ echo
+ fi
+
# Force using TCP for upstream servers only
if [ "${PROTO}" = "TCP" ]; then
echo "# Force using TCP for upstream servers only"
done
fi
- echo "forward-zone:"
- echo " name: \".\""
+ # Read name servers.
+ nameservers=$(read_name_servers)
- # Force using TLS only
- if [ "${PROTO}" = "TLS" ]; then
- echo " forward-tls-upstream: yes"
- fi
+ # Only write forward zones if any nameservers are configured.
+ #
+ # Otherwise fall-back into recursor mode.
+ if [ -n "${nameservers}" ]; then
- # Add upstream name servers
- local id address tls_hostname enabled remark
- while IFS="," read -r id address tls_hostname enabled remark; do
- # Skip disabled servers
- [ "${enabled}" != "enabled" ] && continue
+ echo "forward-zone:"
+ echo " name: \".\""
- # Set DNS server
+ # Force using TLS only
if [ "${PROTO}" = "TLS" ]; then
- if [ -n "${tls_hostname}" ]; then
- echo " forward-addr: ${address}@853#${tls_hostname}"
- fi
- else
- echo " forward-addr: ${address}"
+ echo " forward-tls-upstream: yes"
fi
- done < /var/ipfire/dns/servers
+
+ # Add upstream name servers
+ local ns
+ for ns in ${nameservers}; do
+ echo " forward-addr: ${ns}"
+ done
+ fi
+
) > /etc/unbound/forward.conf
}
done < /proc/meminfo
}
-fix_time_if_dns_fail() {
- # If DNS still not work try to init ntp with
- # hardcoded ntp.ipfire.org (81.3.27.46)
- check_red_has_carrier_and_ip
- if [ -e "/var/ipfire/red/iface" -a "${?}" = "1" ]; then
- host 0.ipfire.pool.ntp.org > /dev/null 2>&1
- if [ "${?}" != "0" ]; then
- boot_mesg "DNS still not functioning... Trying to sync time with ntp.ipfire.org (81.3.27.46)..."
- loadproc /usr/local/bin/settime 81.3.27.46
- fi
+fix_time_if_dns_fails() {
+ # Sometimes the first try fails so do it twice
+ resolve "ping.ipfire.org" &>/dev/null
+ # If DNS is working, everything is fine
+ if resolve "ping.ipfire.org" &>/dev/null; then
+ return 0
fi
+
+ # Try to sync time with a known time server
+ boot_mesg "DNS not functioning... Trying to sync time with ntp.ipfire.org (81.3.27.46)..."
+ loadproc /usr/local/bin/settime 81.3.27.46
}
resolve() {
local hostname="${1}"
-
- local found=0
- local ns
- for ns in $(read_name_servers); do
- local answer
- for answer in $(dig "${DIG_ARGS[@]}" +short "@${ns}" A "${hostname}"); do
- found=1
-
- # Filter out non-IP addresses
- if [[ ! "${answer}" =~ \.$ ]]; then
- echo "${answer}"
- fi
- done
-
- # End loop when we have got something
- [ ${found} -eq 1 ] && break
+ local found=1
+
+ local answer
+ for answer in $(dig +short A "${hostname}"); do
+ # Filter out non-IP addresses
+ if [[ ! "${answer}" =~ \.$ ]]; then
+ found=0
+ echo "${answer}"
+ fi
done
+
+ return ${found}
}
# Sets up Safe Search for various search engines
exit 0
fi
- eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
-
# Update configuration files
write_tuning_conf
+ write_hosts_conf
write_forward_conf
boot_mesg "Starting Unbound DNS Proxy..."
loadproc /usr/sbin/unbound || exit $?
- # Make own hostname resolveable
- own_hostname
-
# Install Safe Search rules when the system is already online
if [ -e "/var/ipfire/red/active" ]; then
update_safe_search
fi
-
- # Update hosts
- update_hosts
-
- fix_time_if_dns_fail
;;
stop)
sleep 1
$0 start
;;
+ reload|remove-forwarders|update-forwarders)
+ # Update configuration files
+ write_forward_conf
+ write_hosts_conf
- status)
- statusproc /usr/sbin/unbound
- ;;
+ # Call unbound-control and perform the reload
+ /usr/sbin/unbound-control -q reload
+
+ # Dummy Resolve to wait for unbound
+ resolve "ping.ipfire.org" &>/dev/null
+
+ if [ "$1" = "update-forwarders" ]; then
+ # Make sure DNS works at this point
+ fix_time_if_dns_fails
+ fi
- update-forwarders)
- : # XXX must set ISP name servers if necessary
+ # Update Safe Search rules if the system is online.
+ if [ -e "/var/ipfire/red/active" ]; then
+ update_safe_search
+ fi
;;
- remove-forwarders)
- : # XXX must remove ISP name servers
+ status)
+ statusproc /usr/sbin/unbound
;;
- resolve)
- resolve "${2}"
+ # Make sure DNS works at this point
+ fix_time_if_dns_fails
;;
- update-safe-search)
- update_safe_search
+ resolve)
+ resolve "${2}" || exit $?
;;
*)
- echo "Usage: $0 {start|stop|restart|status|resolve|update-forwarders|remove-forwarders|update-safe-search}"
+ echo "Usage: $0 {start|stop|restart|reload|status|resolve|update-forwarders|remove-forwarders}"
exit 1
;;
esac