662 lines
23 KiB
Bash
Executable File
662 lines
23 KiB
Bash
Executable File
#!/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 "${coltable}"
|
|
|
|
basename="pihole"
|
|
PIHOLE_COMMAND="/usr/local/bin/${basename}"
|
|
|
|
piholeDir="/etc/${basename}"
|
|
piholeRepo="/etc/.${basename}"
|
|
|
|
adListFile="${piholeDir}/adlists.list"
|
|
adListDefault="${piholeDir}/adlists.default"
|
|
adListRepoDefault="${piholeRepo}/adlists.default"
|
|
|
|
whitelistFile="${piholeDir}/whitelist.txt"
|
|
blacklistFile="${piholeDir}/blacklist.txt"
|
|
wildcardFile="/etc/dnsmasq.d/03-pihole-wildcard.conf"
|
|
|
|
adList="${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"
|
|
|
|
# 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# Determine if superseded pihole.conf exists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 dnsmasq &> /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}..."
|
|
|
|
# Determine if adlists file needs handling
|
|
if [[ ! -f "${adListFile}" ]]; then
|
|
# Create "adlists.list" by copying "adlists.default" from internal core repo
|
|
cp "${adListRepoDefault}" "${adListFile}" 2> /dev/null || \
|
|
echo -e " ${CROSS} Unable to copy ${adListFile##*/} from ${piholeRepo}"
|
|
elif [[ -f "${adListDefault}" ]] && [[ -f "${adListFile}" ]]; then
|
|
# Remove superceded $adListDefault file
|
|
rm "${adListDefault}" 2> /dev/null || \
|
|
echo -e " ${CROSS} Unable to remove ${adListDefault}"
|
|
fi
|
|
|
|
local str="Pulling blocklist source list into range"
|
|
echo -ne " ${INFO} ${str}..."
|
|
|
|
# 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' "${sources[@]}")" 2> /dev/null
|
|
)"
|
|
|
|
if [[ -n "${sources[*]}" ]] && [[ -n "${sourceDomains[*]}" ]]; then
|
|
echo -e "${OVER} ${TICK} ${str}"
|
|
else
|
|
echo -e "${OVER} ${CROSS} ${str}"
|
|
gravity_Cleanup "error"
|
|
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 $url in
|
|
# Did we "download" a remote file?
|
|
"http"*)
|
|
# Determine "Status:" output based on HTTP response
|
|
case "${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} ${httpCode}";;
|
|
esac;;
|
|
# Did we "download" a local file?
|
|
"file"*)
|
|
if [[ -s "${patternBuffer}" ]]; then
|
|
echo -e "${OVER} ${TICK} ${str} Retrieval successful"; success=true
|
|
else
|
|
echo -e "${OVER} ${CROSS} ${str} Not found / empty list"
|
|
fi;;
|
|
*) echo -e "${OVER} ${CROSS} ${str} ${url} ${httpCode}";;
|
|
esac
|
|
|
|
# Determine if the blocklist was downloaded and saved correctly
|
|
if [[ "${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 left field (the domain) and leave
|
|
#+ the right (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 protocol, optional "username:password@", and ":?/;"
|
|
if ($0 ~ /[:?\/;]/) { gsub(/(^.*:\/\/(.*:.*@)?|[:?\/;].*)/, "", $0) }
|
|
# Remove lines which are only IPv4 addresses
|
|
if ($0 ~ /^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/) { $0="" }
|
|
if ($0) { print $0 }
|
|
}' "${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"
|
|
echo -ne " ${INFO} ${str}..."
|
|
|
|
# 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
|
|
|
|
echo -e "${OVER} ${TICK} ${str}"
|
|
}
|
|
|
|
# Parse consolidated list into (filtered, unique) domains-only format
|
|
gravity_SortAndFilterConsolidatedList() {
|
|
local str num
|
|
|
|
str="Extracting domains from blocklists"
|
|
echo -ne " ${INFO} ${str}..."
|
|
|
|
# Parse into hosts file
|
|
gravity_ParseFileIntoDomains "${piholeDir}/${matterAndLight}" "${piholeDir}/${parsedMatter}"
|
|
|
|
# Format $parsedMatter line total as currency
|
|
num=$(printf "%'.0f" "$(wc -l < "${piholeDir}/${parsedMatter}")")
|
|
echo -e "${OVER} ${TICK} ${str}
|
|
${INFO} Number of domains being pulled in by gravity: ${COL_BLUE}${num}${COL_NC}"
|
|
|
|
str="Removing duplicate domains"
|
|
echo -ne " ${INFO} ${str}..."
|
|
sort -u "${piholeDir}/${parsedMatter}" > "${piholeDir}/${preEventHorizon}"
|
|
echo -e "${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}${COL_NC}"
|
|
}
|
|
|
|
# Whitelist user-defined domains
|
|
gravity_Whitelist() {
|
|
local num str
|
|
|
|
if [[ ! -f "${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} ${str}"
|
|
}
|
|
|
|
# Output count of blacklisted domains and wildcards
|
|
gravity_ShowBlockCount() {
|
|
local num
|
|
|
|
if [[ -f "${blacklistFile}" ]]; then
|
|
num=$(printf "%'.0f" "$(wc -l < "${blacklistFile}")")
|
|
echo -e " ${INFO} Number of blacklisted domains: ${num}"
|
|
fi
|
|
|
|
if [[ -f "${wildcardFile}" ]]; then
|
|
num=$(grep -c "^" "${wildcardFile}")
|
|
# If IPv4 and IPv6 is used, divide total wildcard count by 2
|
|
if [[ -n "${IPV4_ADDRESS}" ]] && [[ -n "${IPV6_ADDRESS}" ]];then
|
|
num=$(( num/2 ))
|
|
fi
|
|
echo -e " ${INFO} Number of wildcard blocked domains: ${num}"
|
|
fi
|
|
}
|
|
|
|
# Parse list of domains into hosts format
|
|
gravity_ParseDomainsIntoHosts() {
|
|
awk -v ipv4="$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}/${whitelistMatter}" ]]; then
|
|
gravity_ParseDomainsIntoHosts "${piholeDir}/${whitelistMatter}" "${piholeDir}/${accretionDisc}"
|
|
else
|
|
# There was no whitelist file, so use preEventHorizon instead of whitelistMatter.
|
|
gravity_ParseDomainsIntoHosts "${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
|
|
|
|
gravity_ParseDomainsIntoHosts "${blacklistFile}" "${blackList}.tmp"
|
|
# Copy the file over as /etc/pihole/black.list so dnsmasq can use it
|
|
mv "${blackList}.tmp" "${blackList}" 2> /dev/null || \
|
|
echo -e "\\n ${CROSS} Unable to move ${blackList##*/}.tmp 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} ${str}"
|
|
|
|
# Only restart DNS service if offline
|
|
if ! pidof dnsmasq &> /dev/null; then
|
|
"${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
|
|
gravity_SetDownloadOptions
|
|
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 ]] || [[ "${listType}" == "whitelist" ]]; then
|
|
gravity_Whitelist
|
|
fi
|
|
|
|
gravity_ShowBlockCount
|
|
|
|
# Perform when downloading blocklists, or modifying the white/blacklist (not wildcards)
|
|
if [[ "${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
|