Permalink
executable file 675 lines (562 sloc) 22.9 KB
#!/usr/bin/env bash
# shellcheck disable=SC1090
# Pi-hole: A black hole for Internet advertisements
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware.
#
# Usage: "pihole -g"
# Compiles a list of ad-serving domains by downloading them from multiple sources
#
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
export LC_ALL=C
coltable="/opt/pihole/COL_TABLE"
source "${coltable}"
regexconverter="/opt/pihole/wildcard_regex_converter.sh"
source "${regexconverter}"
basename="pihole"
PIHOLE_COMMAND="/usr/local/bin/${basename}"
piholeDir="/etc/${basename}"
adListFile="${piholeDir}/adlists.list"
adListDefault="${piholeDir}/adlists.default"
whitelistFile="${piholeDir}/whitelist.txt"
blacklistFile="${piholeDir}/blacklist.txt"
regexFile="${piholeDir}/regex.list"
adList="${piholeDir}/gravity.list"
blackList="${piholeDir}/black.list"
localList="${piholeDir}/local.list"
VPNList="/etc/openvpn/ipp.txt"
domainsExtension="domains"
matterAndLight="${basename}.0.matterandlight.txt"
parsedMatter="${basename}.1.parsedmatter.txt"
whitelistMatter="${basename}.2.whitelistmatter.txt"
accretionDisc="${basename}.3.accretionDisc.txt"
preEventHorizon="list.preEventHorizon"
skipDownload="false"
resolver="pihole-FTL"
haveSourceUrls=true
# Source setupVars from install script
setupVars="${piholeDir}/setupVars.conf"
if [[ -f "${setupVars}" ]];then
source "${setupVars}"
# Remove CIDR mask from IPv4/6 addresses
IPV4_ADDRESS="${IPV4_ADDRESS%/*}"
IPV6_ADDRESS="${IPV6_ADDRESS%/*}"
# Determine if IPv4/6 addresses exist
if [[ -z "${IPV4_ADDRESS}" ]] && [[ -z "${IPV6_ADDRESS}" ]]; then
echo -e " ${COL_LIGHT_RED}No IP addresses found! Please run 'pihole -r' to reconfigure${COL_NC}"
exit 1
fi
else
echo -e " ${COL_LIGHT_RED}Installation Failure: ${setupVars} does not exist! ${COL_NC}
Please run 'pihole -r', and choose the 'reconfigure' option to fix."
exit 1
fi
# Determine if superseded pihole.conf exists
if [[ -r "${piholeDir}/pihole.conf" ]]; then
echo -e " ${COL_LIGHT_RED}Ignoring overrides specified within pihole.conf! ${COL_NC}"
fi
# Determine if DNS resolution is available before proceeding
gravity_CheckDNSResolutionAvailable() {
local lookupDomain="pi.hole"
# Determine if $localList does not exist
if [[ ! -e "${localList}" ]]; then
lookupDomain="raw.githubusercontent.com"
fi
# Determine if $lookupDomain is resolvable
if timeout 1 getent hosts "${lookupDomain}" &> /dev/null; then
# Print confirmation of resolvability if it had previously failed
if [[ -n "${secs:-}" ]]; then
echo -e "${OVER} ${TICK} DNS resolution is now available\\n"
fi
return 0
elif [[ -n "${secs:-}" ]]; then
echo -e "${OVER} ${CROSS} DNS resolution is not available"
exit 1
fi
# If the /etc/resolv.conf contains resolvers other than 127.0.0.1 then the local dnsmasq will not be queried and pi.hole is NXDOMAIN.
# This means that even though name resolution is working, the getent hosts check fails and the holddown timer keeps ticking and eventualy fails
# So we check the output of the last command and if it failed, attempt to use dig +short as a fallback
if timeout 1 dig +short "${lookupDomain}" &> /dev/null; then
if [[ -n "${secs:-}" ]]; then
echo -e "${OVER} ${TICK} DNS resolution is now available\\n"
fi
return 0
elif [[ -n "${secs:-}" ]]; then
echo -e "${OVER} ${CROSS} DNS resolution is not available"
exit 1
fi
# Determine error output message
if pidof ${resolver} &> /dev/null; then
echo -e " ${CROSS} DNS resolution is currently unavailable"
else
echo -e " ${CROSS} DNS service is not running"
"${PIHOLE_COMMAND}" restartdns
fi
# Ensure DNS server is given time to be resolvable
secs="120"
echo -ne " ${INFO} Time until retry: ${secs}"
until timeout 1 getent hosts "${lookupDomain}" &> /dev/null; do
[[ "${secs:-}" -eq 0 ]] && break
echo -ne "${OVER} ${INFO} Time until retry: ${secs}"
: $((secs--))
sleep 1
done
# Try again
gravity_CheckDNSResolutionAvailable
}
# Retrieve blocklist URLs and parse domains from adlists.list
gravity_GetBlocklistUrls() {
echo -e " ${INFO} ${COL_BOLD}Neutrino emissions detected${COL_NC}..."
if [[ -f "${adListDefault}" ]] && [[ -f "${adListFile}" ]]; then
# Remove superceded $adListDefault file
rm "${adListDefault}" 2> /dev/null || \
echo -e " ${CROSS} Unable to remove ${adListDefault}"
fi
# Retrieve source URLs from $adListFile
# Logic: Remove comments and empty lines
mapfile -t sources <<< "$(grep -v -E "^(#|$)" "${adListFile}" 2> /dev/null)"
# Parse source domains from $sources
mapfile -t sourceDomains <<< "$(
# Logic: Split by folder/port
awk -F '[/:]' '{
# Remove URL protocol & optional username:password@
gsub(/(.*:\/\/|.*:.*@)/, "", $0)
if(length($1)>0){print $1}
else {print "local"}
}' <<< "$(printf '%s\n' "${sources[@]}")" 2> /dev/null
)"
local str="Pulling blocklist source list into range"
if [[ -n "${sources[*]}" ]] && [[ -n "${sourceDomains[*]}" ]]; then
echo -e "${OVER} ${TICK} ${str}"
else
echo -e "${OVER} ${CROSS} ${str}"
echo -e " ${INFO} No source list found, or it is empty"
echo ""
haveSourceUrls=false
fi
}
# Define options for when retrieving blocklists
gravity_SetDownloadOptions() {
local url domain agent cmd_ext str
echo ""
# Loop through $sources and download each one
for ((i = 0; i < "${#sources[@]}"; i++)); do
url="${sources[$i]}"
domain="${sourceDomains[$i]}"
# Save the file as list.#.domain
saveLocation="${piholeDir}/list.${i}.${domain}.${domainsExtension}"
activeDomains[$i]="${saveLocation}"
# Default user-agent (for Cloudflare's Browser Integrity Check: https://support.cloudflare.com/hc/en-us/articles/200170086-What-does-the-Browser-Integrity-Check-do-)
agent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.0 Safari/537.36"
# Provide special commands for blocklists which may need them
case "${domain}" in
"pgl.yoyo.org") cmd_ext="-d mimetype=plaintext -d hostformat=hosts";;
*) cmd_ext="";;
esac
if [[ "${skipDownload}" == false ]]; then
echo -e " ${INFO} Target: ${domain} (${url##*/})"
gravity_DownloadBlocklistFromUrl "${url}" "${cmd_ext}" "${agent}"
echo ""
fi
done
gravity_Blackbody=true
}
# Download specified URL and perform checks on HTTP status and file content
gravity_DownloadBlocklistFromUrl() {
local url="${1}" cmd_ext="${2}" agent="${3}" heisenbergCompensator="" patternBuffer str httpCode success=""
# Create temp file to store content on disk instead of RAM
patternBuffer=$(mktemp -p "/tmp" --suffix=".phgpb")
# Determine if $saveLocation has read permission
if [[ -r "${saveLocation}" && $url != "file"* ]]; then
# Have curl determine if a remote file has been modified since last retrieval
# Uses "Last-Modified" header, which certain web servers do not provide (e.g: raw github urls)
# Note: Don't do this for local files, always download them
heisenbergCompensator="-z ${saveLocation}"
fi
str="Status:"
echo -ne " ${INFO} ${str} Pending..."
# shellcheck disable=SC2086
httpCode=$(curl -s -L ${cmd_ext} ${heisenbergCompensator} -w "%{http_code}" -A "${agent}" "${url}" -o "${patternBuffer}" 2> /dev/null)
case $url in
# Did we "download" a local file?
"file"*)
if [[ -s "${patternBuffer}" ]]; then
echo -e "${OVER} ${TICK} ${str} Retrieval successful"; success=true
else
echo -e "${OVER} ${CROSS} ${str} Not found / empty list"
fi;;
# Did we "download" a remote file?
*)
# Determine "Status:" output based on HTTP response
case "${httpCode}" in
"200") echo -e "${OVER} ${TICK} ${str} Retrieval successful"; success=true;;
"304") echo -e "${OVER} ${TICK} ${str} No changes detected"; success=true;;
"000") echo -e "${OVER} ${CROSS} ${str} Connection Refused";;
"403") echo -e "${OVER} ${CROSS} ${str} Forbidden";;
"404") echo -e "${OVER} ${CROSS} ${str} Not found";;
"408") echo -e "${OVER} ${CROSS} ${str} Time-out";;
"451") echo -e "${OVER} ${CROSS} ${str} Unavailable For Legal Reasons";;
"500") echo -e "${OVER} ${CROSS} ${str} Internal Server Error";;
"504") echo -e "${OVER} ${CROSS} ${str} Connection Timed Out (Gateway)";;
"521") echo -e "${OVER} ${CROSS} ${str} Web Server Is Down (Cloudflare)";;
"522") echo -e "${OVER} ${CROSS} ${str} Connection Timed Out (Cloudflare)";;
* ) echo -e "${OVER} ${CROSS} ${str} ${url} (${httpCode})";;
esac;;
esac
# Determine if the blocklist was downloaded and saved correctly
if [[ "${success}" == true ]]; then
if [[ "${httpCode}" == "304" ]]; then
: # Do not attempt to re-parse file
# Check if $patternbuffer is a non-zero length file
elif [[ -s "${patternBuffer}" ]]; then
# Determine if blocklist is non-standard and parse as appropriate
gravity_ParseFileIntoDomains "${patternBuffer}" "${saveLocation}"
else
# Fall back to previously cached list if $patternBuffer is empty
echo -e " ${INFO} Received empty file: ${COL_LIGHT_GREEN}using previously cached list${COL_NC}"
fi
else
# Determine if cached list has read permission
if [[ -r "${saveLocation}" ]]; then
echo -e " ${CROSS} List download failed: ${COL_LIGHT_GREEN}using previously cached list${COL_NC}"
else
echo -e " ${CROSS} List download failed: ${COL_LIGHT_RED}no cached list available${COL_NC}"
fi
fi
}
# Parse source files into domains format
gravity_ParseFileIntoDomains() {
local source="${1}" destination="${2}" firstLine abpFilter
# Determine if we are parsing a consolidated list
if [[ "${source}" == "${piholeDir}/${matterAndLight}" ]]; then
# Remove comments and print only the domain name
# Most of the lists downloaded are already in hosts file format but the spacing/formating is not contigious
# This helps with that and makes it easier to read
# It also helps with debugging so each stage of the script can be researched more in depth
# Awk -F splits on given IFS, we grab the right hand side (chops trailing #coments and /'s to grab the domain only.
# Last awk command takes non-commented lines and if they have 2 fields, take the right field (the domain) and leave
# the left (IP address), otherwise grab the single field.
< ${source} awk -F '#' '{print $1}' | \
awk -F '/' '{print $1}' | \
awk '($1 !~ /^#/) { if (NF>1) {print $2} else {print $1}}' | \
sed -nr -e 's/\.{2,}/./g' -e '/\./p' > ${destination}
return 0
fi
# Individual file parsing: Keep comments, while parsing domains from each line
# We keep comments to respect the list maintainer's licensing
read -r firstLine < "${source}"
# Determine how to parse individual source file formats
if [[ "${firstLine,,}" =~ (adblock|ublock|^!) ]]; then
# Compare $firstLine against lower case words found in Adblock lists
echo -ne " ${INFO} Format: Adblock"
# Define symbols used as comments: [!
# "||.*^" includes the "Example 2" domains we can extract
# https://adblockplus.org/filter-cheatsheet
abpFilter="/^(\\[|!)|^(\\|\\|.*\\^)/"
# Parse Adblock lists by extracting "Example 2" domains
# Logic: Ignore lines which do not include comments or domain name anchor
awk ''"${abpFilter}"' {
# Remove valid adblock type options
gsub(/\$?~?(important|third-party|popup|subdocument|websocket),?/, "", $0)
# Remove starting domain name anchor "||" and ending seperator "^"
gsub(/^(\|\|)|(\^)/, "", $0)
# Remove invalid characters (*/,=$)
if($0 ~ /[*\/,=\$]/) { $0="" }
# Remove lines which are only IPv4 addresses
if($0 ~ /^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/) { $0="" }
if($0) { print $0 }
}' "${source}" > "${destination}"
# Determine if there are Adblock exception rules
# https://adblockplus.org/filters
if grep -q "^@@||" "${source}" &> /dev/null; then
# Parse Adblock lists by extracting exception rules
# Logic: Ignore lines which do not include exception format "@@||example.com^"
awk -F "[|^]" '/^@@\|\|.*\^/ {
# Remove valid adblock type options
gsub(/\$?~?(third-party)/, "", $0)
# Remove invalid characters (*/,=$)
if($0 ~ /[*\/,=\$]/) { $0="" }
if($3) { print $3 }
}' "${source}" > "${destination}.exceptionsFile.tmp"
# Remove exceptions
comm -23 "${destination}" <(sort "${destination}.exceptionsFile.tmp") > "${source}"
mv "${source}" "${destination}"
fi
echo -e "${OVER} ${TICK} Format: Adblock"
elif grep -q "^address=/" "${source}" &> /dev/null; then
# Parse Dnsmasq format lists
echo -e " ${CROSS} Format: Dnsmasq (list type not supported)"
elif grep -q -E "^https?://" "${source}" &> /dev/null; then
# Parse URL list if source file contains "http://" or "https://"
# Scanning for "^IPv4$" is too slow with large (1M) lists on low-end hardware
echo -ne " ${INFO} Format: URL"
awk '
# Remove URL scheme, optional "username:password@", and ":?/;"
# The scheme must be matched carefully to avoid blocking the wrong URL
# in cases like:
# http://www.evil.com?http://www.good.com
# See RFC 3986 section 3.1 for details.
/[:?\/;]/ { gsub(/(^[a-zA-Z][a-zA-Z0-9+.-]*:\/\/(.*:.*@)?|[:?\/;].*)/, "", $0) }
# Skip lines which are only IPv4 addresses
/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/ { next }
# Print if nonempty
length { print }
' "${source}" 2> /dev/null > "${destination}"
echo -e "${OVER} ${TICK} Format: URL"
else
# Default: Keep hosts/domains file in same format as it was downloaded
output=$( { mv "${source}" "${destination}"; } 2>&1 )
if [[ ! -e "${destination}" ]]; then
echo -e "\\n ${CROSS} Unable to move tmp file to ${piholeDir}
${output}"
gravity_Cleanup "error"
fi
fi
}
# Create (unfiltered) "Matter and Light" consolidated list
gravity_ConsolidateDownloadedBlocklists() {
local str lastLine
str="Consolidating blocklists"
if [[ "${haveSourceUrls}" == true ]]; then
echo -ne " ${INFO} ${str}..."
fi
# Empty $matterAndLight if it already exists, otherwise, create it
: > "${piholeDir}/${matterAndLight}"
# Loop through each *.domains file
for i in "${activeDomains[@]}"; do
# Determine if file has read permissions, as download might have failed
if [[ -r "${i}" ]]; then
# Remove windows CRs from file, convert list to lower case, and append into $matterAndLight
tr -d '\r' < "${i}" | tr '[:upper:]' '[:lower:]' >> "${piholeDir}/${matterAndLight}"
# Ensure that the first line of a new list is on a new line
lastLine=$(tail -1 "${piholeDir}/${matterAndLight}")
if [[ "${#lastLine}" -gt 0 ]]; then
echo "" >> "${piholeDir}/${matterAndLight}"
fi
fi
done
if [[ "${haveSourceUrls}" == true ]]; then
echo -e "${OVER} ${TICK} ${str}"
fi
}
# Parse consolidated list into (filtered, unique) domains-only format
gravity_SortAndFilterConsolidatedList() {
local str num
str="Extracting domains from blocklists"
if [[ "${haveSourceUrls}" == true ]]; then
echo -ne " ${INFO} ${str}..."
fi
# Parse into hosts file
gravity_ParseFileIntoDomains "${piholeDir}/${matterAndLight}" "${piholeDir}/${parsedMatter}"
# Format $parsedMatter line total as currency
num=$(printf "%'.0f" "$(wc -l < "${piholeDir}/${parsedMatter}")")
if [[ "${haveSourceUrls}" == true ]]; then
echo -e "${OVER} ${TICK} ${str}"
fi
echo -e " ${INFO} Number of domains being pulled in by gravity: ${COL_BLUE}${num}${COL_NC}"
str="Removing duplicate domains"
if [[ "${haveSourceUrls}" == true ]]; then
echo -ne " ${INFO} ${str}..."
fi
sort -u "${piholeDir}/${parsedMatter}" > "${piholeDir}/${preEventHorizon}"
if [[ "${haveSourceUrls}" == true ]]; then
echo -e "${OVER} ${TICK} ${str}"
# Format $preEventHorizon line total as currency
num=$(printf "%'.0f" "$(wc -l < "${piholeDir}/${preEventHorizon}")")
echo -e " ${INFO} Number of unique domains trapped in the Event Horizon: ${COL_BLUE}${num}${COL_NC}"
fi
}
# Whitelist user-defined domains
gravity_Whitelist() {
local num str
if [[ ! -f "${whitelistFile}" ]]; then
echo -e " ${INFO} Nothing to whitelist!"
return 0
fi
num=$(wc -l < "${whitelistFile}")
str="Number of whitelisted domains: ${num}"
echo -ne " ${INFO} ${str}..."
# Print everything from preEventHorizon into whitelistMatter EXCEPT domains in $whitelistFile
comm -23 "${piholeDir}/${preEventHorizon}" <(sort "${whitelistFile}") > "${piholeDir}/${whitelistMatter}"
echo -e "${OVER} ${INFO} ${str}"
}
# Output count of blacklisted domains and regex filters
gravity_ShowBlockCount() {
local num
if [[ -f "${blacklistFile}" ]]; then
num=$(printf "%'.0f" "$(wc -l < "${blacklistFile}")")
echo -e " ${INFO} Number of blacklisted domains: ${num}"
fi
if [[ -f "${regexFile}" ]]; then
num=$(grep -c "^(?!#)" "${regexFile}")
echo -e " ${INFO} Number of regex filters: ${num}"
fi
}
# Parse list of domains into hosts format
gravity_ParseDomainsIntoHosts() {
awk -v ipv4="$IPV4_ADDRESS" -v ipv6="$IPV6_ADDRESS" '{
# Remove windows CR line endings
sub(/\r$/, "")
# Parse each line as "ipaddr domain"
if(ipv6 && ipv4) {
print ipv4" "$0"\n"ipv6" "$0
} else if(!ipv6) {
print ipv4" "$0
} else {
print ipv6" "$0
}
}' >> "${2}" < "${1}"
}
# Create "localhost" entries into hosts format
gravity_ParseLocalDomains() {
local hostname
if [[ -s "/etc/hostname" ]]; then
hostname=$(< "/etc/hostname")
elif command -v hostname &> /dev/null; then
hostname=$(hostname -f)
else
echo -e " ${CROSS} Unable to determine fully qualified domain name of host"
return 0
fi
echo -e "${hostname}\\npi.hole" > "${localList}.tmp"
# Empty $localList if it already exists, otherwise, create it
: > "${localList}"
gravity_ParseDomainsIntoHosts "${localList}.tmp" "${localList}"
# Add additional LAN hosts provided by OpenVPN (if available)
if [[ -f "${VPNList}" ]]; then
awk -F, '{printf $2"\t"$1".vpn\n"}' "${VPNList}" >> "${localList}"
fi
}
# Create primary blacklist entries
gravity_ParseBlacklistDomains() {
local output status
# Empty $accretionDisc if it already exists, otherwise, create it
: > "${piholeDir}/${accretionDisc}"
if [[ -f "${piholeDir}/${whitelistMatter}" ]]; then
mv "${piholeDir}/${whitelistMatter}" "${piholeDir}/${accretionDisc}"
else
# There was no whitelist file, so use preEventHorizon instead of whitelistMatter.
mv "${piholeDir}/${preEventHorizon}" "${piholeDir}/${accretionDisc}"
fi
# Move the file over as /etc/pihole/gravity.list so dnsmasq can use it
output=$( { mv "${piholeDir}/${accretionDisc}" "${adList}"; } 2>&1 )
status="$?"
if [[ "${status}" -ne 0 ]]; then
echo -e "\\n ${CROSS} Unable to move ${accretionDisc} from ${piholeDir}\\n ${output}"
gravity_Cleanup "error"
fi
}
# Create user-added blacklist entries
gravity_ParseUserDomains() {
if [[ ! -f "${blacklistFile}" ]]; then
return 0
fi
# Copy the file over as /etc/pihole/black.list so dnsmasq can use it
cp "${blacklistFile}" "${blackList}" 2> /dev/null || \
echo -e "\\n ${CROSS} Unable to move ${blacklistFile##*/} to ${piholeDir}"
}
# Trap Ctrl-C
gravity_Trap() {
trap '{ echo -e "\\n\\n ${INFO} ${COL_LIGHT_RED}User-abort detected${COL_NC}"; gravity_Cleanup "error"; }' INT
}
# Clean up after Gravity upon exit or cancellation
gravity_Cleanup() {
local error="${1:-}"
str="Cleaning up stray matter"
echo -ne " ${INFO} ${str}..."
# Delete tmp content generated by Gravity
rm ${piholeDir}/pihole.*.txt 2> /dev/null
rm ${piholeDir}/*.tmp 2> /dev/null
rm /tmp/*.phgpb 2> /dev/null
# Ensure this function only runs when gravity_SetDownloadOptions() has completed
if [[ "${gravity_Blackbody:-}" == true ]]; then
# Remove any unused .domains files
for file in ${piholeDir}/*.${domainsExtension}; do
# If list is not in active array, then remove it
if [[ ! "${activeDomains[*]}" == *"${file}"* ]]; then
rm -f "${file}" 2> /dev/null || \
echo -e " ${CROSS} Failed to remove ${file##*/}"
fi
done
fi
echo -e "${OVER} ${TICK} ${str}"
# Only restart DNS service if offline
if ! pidof ${resolver} &> /dev/null; then
"${PIHOLE_COMMAND}" restartdns
dnsWasOffline=true
fi
# Print Pi-hole status if an error occured
if [[ -n "${error}" ]]; then
"${PIHOLE_COMMAND}" status
exit 1
fi
}
helpFunc() {
echo "Usage: pihole -g
Update domains from blocklists specified in adlists.list
Options:
-f, --force Force the download of all specified blocklists
-h, --help Show this help dialog"
exit 0
}
for var in "$@"; do
case "${var}" in
"-f" | "--force" ) forceDelete=true;;
"-h" | "--help" ) helpFunc;;
"-sd" | "--skip-download" ) skipDownload=true;;
"-b" | "--blacklist-only" ) listType="blacklist";;
"-w" | "--whitelist-only" ) listType="whitelist";;
"-wild" | "--wildcard-only" ) listType="wildcard"; dnsRestartType="restart";;
esac
done
# Trap Ctrl-C
gravity_Trap
if [[ "${forceDelete:-}" == true ]]; then
str="Deleting existing list cache"
echo -ne "${INFO} ${str}..."
rm /etc/pihole/list.* 2> /dev/null || true
echo -e "${OVER} ${TICK} ${str}"
fi
# Determine which functions to run
if [[ "${skipDownload}" == false ]]; then
# Gravity needs to download blocklists
gravity_CheckDNSResolutionAvailable
gravity_GetBlocklistUrls
if [[ "${haveSourceUrls}" == true ]]; then
gravity_SetDownloadOptions
fi
gravity_ConsolidateDownloadedBlocklists
gravity_SortAndFilterConsolidatedList
else
# Gravity needs to modify Blacklist/Whitelist/Wildcards
echo -e " ${INFO} Using cached Event Horizon list..."
numberOf=$(printf "%'.0f" "$(wc -l < "${piholeDir}/${preEventHorizon}")")
echo -e " ${INFO} ${COL_BLUE}${numberOf}${COL_NC} unique domains trapped in the Event Horizon"
fi
# Perform when downloading blocklists, or modifying the whitelist
if [[ "${skipDownload}" == false ]] || [[ "${listType}" == "whitelist" ]]; then
gravity_Whitelist
fi
convert_wildcard_to_regex
gravity_ShowBlockCount
# Perform when downloading blocklists, or modifying the white/blacklist (not wildcards)
if [[ "${skipDownload}" == false ]] || [[ "${listType}" == *"list" ]]; then
str="Parsing domains into hosts format"
echo -ne " ${INFO} ${str}..."
gravity_ParseUserDomains
# Perform when downloading blocklists
if [[ ! "${listType:-}" == "blacklist" ]]; then
gravity_ParseLocalDomains
gravity_ParseBlacklistDomains
fi
echo -e "${OVER} ${TICK} ${str}"
gravity_Cleanup
fi
echo ""
# Determine if DNS has been restarted by this instance of gravity
if [[ -z "${dnsWasOffline:-}" ]]; then
# Use "force-reload" when restarting dnsmasq for everything but Wildcards
"${PIHOLE_COMMAND}" restartdns "${dnsRestartType:-force-reload}"
fi
"${PIHOLE_COMMAND}" status