Merge pull request #4282 from pi-hole/new/RFC6761
Install RFC6761 config file
This commit is contained in:
Adam Warner
GitHub
commit
89e187947e
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2021 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# RFC 6761 config file for Pi-hole
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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###############################################################################
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# FILE AUTOMATICALLY POPULATED BY PI-HOLE INSTALL/UPDATE PROCEDURE. #
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# ANY CHANGES MADE TO THIS FILE AFTER INSTALL WILL BE LOST ON THE NEXT UPDATE #
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# #
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# CHANGES SHOULD BE MADE IN A SEPARATE CONFIG FILE #
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# WITHIN /etc/dnsmasq.d/yourname.conf #
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###############################################################################
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# RFC 6761: Caching DNS servers SHOULD recognize
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# test, localhost, invalid
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# names as special and SHOULD NOT attempt to look up NS records for them, or
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# otherwise query authoritative DNS servers in an attempt to resolve these
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# names.
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server=/test/
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server=/localhost/
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server=/invalid/
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# The same RFC requests something similar for
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# 16.172.in-addr.arpa. 22.172.in-addr.arpa. 27.172.in-addr.arpa.
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# 17.172.in-addr.arpa. 30.172.in-addr.arpa. 28.172.in-addr.arpa.
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# 18.172.in-addr.arpa. 23.172.in-addr.arpa. 29.172.in-addr.arpa.
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# 19.172.in-addr.arpa. 24.172.in-addr.arpa. 31.172.in-addr.arpa.
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# 20.172.in-addr.arpa. 25.172.in-addr.arpa. 168.192.in-addr.arpa.
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# Pi-hole implements this via the dnsmasq option "bogus-priv" (see
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# 01-pihole.conf) because this also covers IPv6.
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# OpenWRT furthermore blocks bind, local, onion domains
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# see https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob_plain;f=package/network/services/dnsmasq/files/rfc6761.conf;hb=HEAD
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# and https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
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# We do not include the ".local" rule ourselves, see https://github.com/pi-hole/pi-hole/pull/4282#discussion_r689112972
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server=/bind/
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server=/onion/
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@ -1247,8 +1247,10 @@ version_check_dnsmasq() {
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local dnsmasq_pihole_id_string="addn-hosts=/etc/pihole/gravity.list"
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local dnsmasq_pihole_id_string2="# Dnsmasq config for Pi-hole's FTLDNS"
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local dnsmasq_original_config="${PI_HOLE_LOCAL_REPO}/advanced/dnsmasq.conf.original"
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local dnsmasq_pihole_01_snippet="${PI_HOLE_LOCAL_REPO}/advanced/01-pihole.conf"
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local dnsmasq_pihole_01_location="/etc/dnsmasq.d/01-pihole.conf"
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local dnsmasq_pihole_01_source="${PI_HOLE_LOCAL_REPO}/advanced/01-pihole.conf"
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local dnsmasq_pihole_01_target="/etc/dnsmasq.d/01-pihole.conf"
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local dnsmasq_rfc6761_06_source="${PI_HOLE_LOCAL_REPO}/advanced/06-rfc6761.conf"
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local dnsmasq_rfc6761_06_target="/etc/dnsmasq.d/06-rfc6761.conf"
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# If the dnsmasq config file exists
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if [[ -f "${dnsmasq_conf}" ]]; then
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@ -1277,44 +1279,48 @@ version_check_dnsmasq() {
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printf "%b %b No dnsmasq.conf found... restoring default dnsmasq.conf...\\n" "${OVER}" "${TICK}"
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fi
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printf " %b Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf..." "${INFO}"
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printf " %b Installing %s..." "${INFO}" "${dnsmasq_pihole_01_target}"
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# Check to see if dnsmasq directory exists (it may not due to being a fresh install and dnsmasq no longer being a dependency)
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if [[ ! -d "/etc/dnsmasq.d" ]];then
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install -d -m 755 "/etc/dnsmasq.d"
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fi
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# Copy the new Pi-hole DNS config file into the dnsmasq.d directory
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install -D -m 644 -T "${dnsmasq_pihole_01_snippet}" "${dnsmasq_pihole_01_location}"
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printf "%b %b Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf\\n" "${OVER}" "${TICK}"
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install -D -m 644 -T "${dnsmasq_pihole_01_source}" "${dnsmasq_pihole_01_target}"
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printf "%b %b Installed %s\n" "${OVER}" "${TICK}" "${dnsmasq_pihole_01_target}"
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# Replace our placeholder values with the GLOBAL DNS variables that we populated earlier
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# First, swap in the interface to listen on,
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sed -i "s/@INT@/$PIHOLE_INTERFACE/" "${dnsmasq_pihole_01_location}"
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sed -i "s/@INT@/$PIHOLE_INTERFACE/" "${dnsmasq_pihole_01_target}"
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if [[ "${PIHOLE_DNS_1}" != "" ]]; then
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# then swap in the primary DNS server.
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sed -i "s/@DNS1@/$PIHOLE_DNS_1/" "${dnsmasq_pihole_01_location}"
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sed -i "s/@DNS1@/$PIHOLE_DNS_1/" "${dnsmasq_pihole_01_target}"
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else
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# Otherwise, remove the line which sets DNS1.
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sed -i '/^server=@DNS1@/d' "${dnsmasq_pihole_01_location}"
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sed -i '/^server=@DNS1@/d' "${dnsmasq_pihole_01_target}"
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fi
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# Ditto if DNS2 is not empty
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if [[ "${PIHOLE_DNS_2}" != "" ]]; then
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sed -i "s/@DNS2@/$PIHOLE_DNS_2/" "${dnsmasq_pihole_01_location}"
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sed -i "s/@DNS2@/$PIHOLE_DNS_2/" "${dnsmasq_pihole_01_target}"
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else
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sed -i '/^server=@DNS2@/d' "${dnsmasq_pihole_01_location}"
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sed -i '/^server=@DNS2@/d' "${dnsmasq_pihole_01_target}"
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fi
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# Set the cache size
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sed -i "s/@CACHE_SIZE@/$CACHE_SIZE/" ${dnsmasq_pihole_01_location}
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sed -i "s/@CACHE_SIZE@/$CACHE_SIZE/" "${dnsmasq_pihole_01_target}"
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sed -i 's/^#conf-dir=\/etc\/dnsmasq.d$/conf-dir=\/etc\/dnsmasq.d/' "${dnsmasq_conf}"
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# If the user does not want to enable logging,
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if [[ "${QUERY_LOGGING}" == false ]] ; then
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# disable it by commenting out the directive in the DNS config file
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sed -i 's/^log-queries/#log-queries/' "${dnsmasq_pihole_01_location}"
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sed -i 's/^log-queries/#log-queries/' "${dnsmasq_pihole_01_target}"
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else
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# Otherwise, enable it by uncommenting the directive in the DNS config file
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sed -i 's/^#log-queries/log-queries/' "${dnsmasq_pihole_01_location}"
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sed -i 's/^#log-queries/log-queries/' "${dnsmasq_pihole_01_target}"
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fi
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printf " %b Installing %s..." "${INFO}" "${dnsmasq_rfc6761_06_source}"
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install -D -m 644 -T "${dnsmasq_rfc6761_06_source}" "${dnsmasq_rfc6761_06_target}"
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printf "%b %b Installed %s\n" "${OVER}" "${TICK}" "${dnsmasq_rfc6761_06_target}"
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}
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# Clean an existing installation to prepare for upgrade/reinstall
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@ -145,6 +145,7 @@ removeNoPurge() {
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${SUDO} rm -f /etc/dnsmasq.d/adList.conf &> /dev/null
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${SUDO} rm -f /etc/dnsmasq.d/01-pihole.conf &> /dev/null
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${SUDO} rm -f /etc/dnsmasq.d/06-rfc6761.conf &> /dev/null
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${SUDO} rm -rf /var/log/*pihole* &> /dev/null
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${SUDO} rm -rf /etc/pihole/ &> /dev/null
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${SUDO} rm -rf /etc/.pihole/ &> /dev/null
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