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https://github.com/pi-hole/pi-hole.git
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Merge pull request #2593 from TheLastProject/feature/standardized-dns-list
Standardize DNS list and write to file for AdminLTE
This commit is contained in:
Mark Drobnak
GitHub
commit
7d2507527a
1 changed files with 122 additions and 113 deletions
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@ -28,6 +28,21 @@ set -e
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# Local variables will be in lowercase and will exist only within functions
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# It's still a work in progress, so you may see some variance in this guideline until it is complete
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# List of supported DNS servers
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DNS_SERVERS=$(cat << EOM
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Google (ECS);8.8.8.8;8.8.4.4;2001:4860:4860:0:0:0:0:8888;2001:4860:4860:0:0:0:0:8844
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OpenDNS (ECS);208.67.222.222;208.67.220.220;2620:0:ccc::2;2620:0:ccd::2
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Level3;4.2.2.1;4.2.2.2;;
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Norton;199.85.126.10;199.85.127.10;;
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Comodo;8.26.56.26;8.20.247.20;;
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DNS.WATCH;84.200.69.80;84.200.70.40;2001:1608:10:25:0:0:1c04:b12f;2001:1608:10:25:0:0:9249:d69b
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Quad9 (filtered, DNSSEC);9.9.9.9;149.112.112.112;2620:fe::fe;2620:fe::9
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Quad9 (unfiltered, no DNSSEC);9.9.9.10;149.112.112.10;2620:fe::10;2620:fe::fe:10
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Quad9 (filtered + ECS);9.9.9.11;149.112.112.11;2620:fe::11;
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Cloudflare;1.1.1.1;1.0.0.1;2606:4700:4700::1111;2606:4700:4700::1001
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EOM
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)
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# Location for final installation log storage
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installLogLoc=/etc/pihole/install.log
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# This is an important file as it contains information specific to the machine it's being installed on
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@ -916,15 +931,26 @@ setDNS() {
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local DNSSettingsCorrect
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# In an array, list the available upstream providers
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DNSChooseOptions=(Google ""
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OpenDNS ""
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Level3 ""
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Comodo ""
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DNSWatch ""
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Quad9 ""
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FamilyShield ""
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Cloudflare ""
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Custom "")
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DNSChooseOptions=()
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local DNSServerCount=0
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# Save the old Internal Field Separator in a variable
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OIFS=$IFS
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# and set the new one to newline
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IFS=$'\n'
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# Put the DNS Servers into an array
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for DNSServer in ${DNS_SERVERS}
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do
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DNSName="$(cut -d';' -f1 <<< "${DNSServer}")"
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DNSChooseOptions[DNSServerCount]="${DNSName}"
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(( DNSServerCount=DNSServerCount+1 ))
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DNSChooseOptions[DNSServerCount]=""
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(( DNSServerCount=DNSServerCount+1 ))
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done
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DNSChooseOptions[DNSServerCount]="Custom"
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(( DNSServerCount=DNSServerCount+1 ))
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DNSChooseOptions[DNSServerCount]=""
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# Restore the IFS to what it was
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IFS=${OIFS}
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# In a whiptail dialog, show the options
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DNSchoices=$(whiptail --separate-output --menu "Select Upstream DNS Provider. To use your own, select Custom." ${r} ${c} 7 \
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"${DNSChooseOptions[@]}" 2>&1 >/dev/tty) || \
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@ -934,113 +960,90 @@ setDNS() {
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# Display the selection
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printf " %b Using " "${INFO}"
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# Depending on the user's choice, set the GLOBAl variables to the IP of the respective provider
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case ${DNSchoices} in
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Google)
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printf "Google DNS servers\\n"
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PIHOLE_DNS_1="8.8.8.8"
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PIHOLE_DNS_2="8.8.4.4"
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;;
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OpenDNS)
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printf "OpenDNS servers\\n"
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PIHOLE_DNS_1="208.67.222.222"
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PIHOLE_DNS_2="208.67.220.220"
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;;
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Level3)
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printf "Level3 servers\\n"
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PIHOLE_DNS_1="4.2.2.1"
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PIHOLE_DNS_2="4.2.2.2"
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;;
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Comodo)
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printf "Comodo Secure servers\\n"
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PIHOLE_DNS_1="8.26.56.26"
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PIHOLE_DNS_2="8.20.247.20"
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;;
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DNSWatch)
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printf "DNS.WATCH servers\\n"
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PIHOLE_DNS_1="84.200.69.80"
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PIHOLE_DNS_2="84.200.70.40"
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;;
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Quad9)
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printf "Quad9 servers\\n"
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PIHOLE_DNS_1="9.9.9.9"
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PIHOLE_DNS_2="149.112.112.112"
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;;
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FamilyShield)
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printf "FamilyShield servers\\n"
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PIHOLE_DNS_1="208.67.222.123"
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PIHOLE_DNS_2="208.67.220.123"
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;;
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Cloudflare)
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printf "Cloudflare servers\\n"
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PIHOLE_DNS_1="1.1.1.1"
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PIHOLE_DNS_2="1.0.0.1"
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;;
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Custom)
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# Until the DNS settings are selected,
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until [[ "${DNSSettingsCorrect}" = True ]]; do
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#
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strInvalid="Invalid"
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# If the first
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if [[ ! "${PIHOLE_DNS_1}" ]]; then
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# and second upstream servers do not exist
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if [[ ! "${PIHOLE_DNS_2}" ]]; then
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prePopulate=""
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# Otherwise,
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else
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prePopulate=", ${PIHOLE_DNS_2}"
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fi
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elif [[ "${PIHOLE_DNS_1}" ]] && [[ ! "${PIHOLE_DNS_2}" ]]; then
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prePopulate="${PIHOLE_DNS_1}"
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elif [[ "${PIHOLE_DNS_1}" ]] && [[ "${PIHOLE_DNS_2}" ]]; then
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prePopulate="${PIHOLE_DNS_1}, ${PIHOLE_DNS_2}"
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fi
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# Dialog for the user to enter custom upstream servers
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piholeDNS=$(whiptail --backtitle "Specify Upstream DNS Provider(s)" --inputbox "Enter your desired upstream DNS provider(s), separated by a comma.\\n\\nFor example '8.8.8.8, 8.8.4.4'" ${r} ${c} "${prePopulate}" 3>&1 1>&2 2>&3) || \
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{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
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# Clean user input and replace whitespace with comma.
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piholeDNS=$(sed 's/[, \t]\+/,/g' <<< "${piholeDNS}")
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printf -v PIHOLE_DNS_1 "%s" "${piholeDNS%%,*}"
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printf -v PIHOLE_DNS_2 "%s" "${piholeDNS##*,}"
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# If the IP is valid,
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if ! valid_ip "${PIHOLE_DNS_1}" || [[ ! "${PIHOLE_DNS_1}" ]]; then
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# store it in the variable so we can use it
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PIHOLE_DNS_1=${strInvalid}
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fi
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# Do the same for the secondary server
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if ! valid_ip "${PIHOLE_DNS_2}" && [[ "${PIHOLE_DNS_2}" ]]; then
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PIHOLE_DNS_2=${strInvalid}
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fi
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# If either of the DNS servers are invalid,
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if [[ "${PIHOLE_DNS_1}" == "${strInvalid}" ]] || [[ "${PIHOLE_DNS_2}" == "${strInvalid}" ]]; then
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# explain this to the user
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whiptail --msgbox --backtitle "Invalid IP" --title "Invalid IP" "One or both entered IP addresses were invalid. Please try again.\\n\\n DNS Server 1: $PIHOLE_DNS_1\\n DNS Server 2: ${PIHOLE_DNS_2}" ${r} ${c}
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# and set the variables back to nothing
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if [[ "${PIHOLE_DNS_1}" == "${strInvalid}" ]]; then
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PIHOLE_DNS_1=""
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fi
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if [[ "${PIHOLE_DNS_2}" == "${strInvalid}" ]]; then
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PIHOLE_DNS_2=""
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fi
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# Since the settings will not work, stay in the loop
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DNSSettingsCorrect=False
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if [[ "${DNSchoices}" == "Custom" ]]
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then
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# Until the DNS settings are selected,
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until [[ "${DNSSettingsCorrect}" = True ]]; do
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#
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strInvalid="Invalid"
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# If the first
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if [[ ! "${PIHOLE_DNS_1}" ]]; then
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# and second upstream servers do not exist
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if [[ ! "${PIHOLE_DNS_2}" ]]; then
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prePopulate=""
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# Otherwise,
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else
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# Show the settings
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if (whiptail --backtitle "Specify Upstream DNS Provider(s)" --title "Upstream DNS Provider(s)" --yesno "Are these settings correct?\\n DNS Server 1: $PIHOLE_DNS_1\\n DNS Server 2: ${PIHOLE_DNS_2}" ${r} ${c}); then
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# and break from the loop since the servers are valid
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DNSSettingsCorrect=True
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# Otherwise,
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else
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# If the settings are wrong, the loop continues
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DNSSettingsCorrect=False
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fi
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prePopulate=", ${PIHOLE_DNS_2}"
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fi
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done
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;;
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esac
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elif [[ "${PIHOLE_DNS_1}" ]] && [[ ! "${PIHOLE_DNS_2}" ]]; then
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prePopulate="${PIHOLE_DNS_1}"
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elif [[ "${PIHOLE_DNS_1}" ]] && [[ "${PIHOLE_DNS_2}" ]]; then
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prePopulate="${PIHOLE_DNS_1}, ${PIHOLE_DNS_2}"
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fi
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# Dialog for the user to enter custom upstream servers
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piholeDNS=$(whiptail --backtitle "Specify Upstream DNS Provider(s)" --inputbox "Enter your desired upstream DNS provider(s), separated by a comma.\\n\\nFor example '8.8.8.8, 8.8.4.4'" ${r} ${c} "${prePopulate}" 3>&1 1>&2 2>&3) || \
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{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
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# Clean user input and replace whitespace with comma.
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piholeDNS=$(sed 's/[, \t]\+/,/g' <<< "${piholeDNS}")
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printf -v PIHOLE_DNS_1 "%s" "${piholeDNS%%,*}"
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printf -v PIHOLE_DNS_2 "%s" "${piholeDNS##*,}"
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# If the IP is valid,
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if ! valid_ip "${PIHOLE_DNS_1}" || [[ ! "${PIHOLE_DNS_1}" ]]; then
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# store it in the variable so we can use it
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PIHOLE_DNS_1=${strInvalid}
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fi
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# Do the same for the secondary server
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if ! valid_ip "${PIHOLE_DNS_2}" && [[ "${PIHOLE_DNS_2}" ]]; then
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PIHOLE_DNS_2=${strInvalid}
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fi
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# If either of the DNS servers are invalid,
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if [[ "${PIHOLE_DNS_1}" == "${strInvalid}" ]] || [[ "${PIHOLE_DNS_2}" == "${strInvalid}" ]]; then
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# explain this to the user
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whiptail --msgbox --backtitle "Invalid IP" --title "Invalid IP" "One or both entered IP addresses were invalid. Please try again.\\n\\n DNS Server 1: $PIHOLE_DNS_1\\n DNS Server 2: ${PIHOLE_DNS_2}" ${r} ${c}
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# and set the variables back to nothing
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if [[ "${PIHOLE_DNS_1}" == "${strInvalid}" ]]; then
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PIHOLE_DNS_1=""
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fi
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if [[ "${PIHOLE_DNS_2}" == "${strInvalid}" ]]; then
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PIHOLE_DNS_2=""
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fi
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# Since the settings will not work, stay in the loop
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DNSSettingsCorrect=False
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# Otherwise,
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else
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# Show the settings
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if (whiptail --backtitle "Specify Upstream DNS Provider(s)" --title "Upstream DNS Provider(s)" --yesno "Are these settings correct?\\n DNS Server 1: $PIHOLE_DNS_1\\n DNS Server 2: ${PIHOLE_DNS_2}" ${r} ${c}); then
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# and break from the loop since the servers are valid
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DNSSettingsCorrect=True
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# Otherwise,
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else
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# If the settings are wrong, the loop continues
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DNSSettingsCorrect=False
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fi
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fi
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done
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else
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# Save the old Internal Field Separator in a variable
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OIFS=$IFS
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# and set the new one to newline
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IFS=$'\n'
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for DNSServer in ${DNS_SERVERS}
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do
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DNSName="$(cut -d';' -f1 <<< "${DNSServer}")"
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if [[ "${DNSchoices}" == "${DNSName}" ]]
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then
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printf "%s\\n" "${DNSName}"
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PIHOLE_DNS_1="$(cut -d';' -f2 <<< "${DNSServer}")"
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PIHOLE_DNS_2="$(cut -d';' -f3 <<< "${DNSServer}")"
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break
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fi
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done
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# Restore the IFS to what it was
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IFS=${OIFS}
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fi
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}
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# Allow the user to enable/disable logging
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@ -1339,6 +1342,12 @@ installConfigs() {
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printf "\\n %b Installing configs from %s...\\n" "${INFO}" "${PI_HOLE_LOCAL_REPO}"
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# Make sure Pi-hole's config files are in place
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version_check_dnsmasq
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# Install list of DNS servers
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# Format: Name;Primary IPv4;Secondary IPv4;Primary IPv6;Secondary IPv6
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# Some values may be empty (for example: DNS servers without IPv6 support)
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echo "${DNS_SERVERS}" > "${PI_HOLE_CONFIG_DIR}/dns-servers.conf"
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# Install empty file if it does not exist
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if [[ ! -f "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf" ]]; then
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if ! install -o pihole -g pihole -m 664 /dev/null "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf" &>/dev/null; then
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