Merge pull request #3035 from pi-hole/fix/query_gravity

pihole -q should also scan gravity table
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DL6ER 2019-12-16 01:45:10 +01:00 committed by GitHub
commit a1633123aa
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1 changed files with 48 additions and 58 deletions

106
advanced/Scripts/query.sh Normal file → Executable file
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@ -13,7 +13,6 @@
piholeDir="/etc/pihole"
gravityDBfile="${piholeDir}/gravity.db"
options="$*"
adlist=""
all=""
exact=""
blockpage=""
@ -53,7 +52,6 @@ Example: 'pihole -q -exact domain.com'
Query the adlists for a specified domain
Options:
-adlist Print the name of the block list URL
-exact Search the block lists for exact domain matches
-all Return all query matches within a block list
-h, --help Show this help dialog"
@ -64,7 +62,6 @@ fi
if [[ "${options}" == *"-bp"* ]]; then
exact="exact"; blockpage=true
else
[[ "${options}" == *"-adlist"* ]] && adlist=true
[[ "${options}" == *"-all"* ]] && all=true
if [[ "${options}" == *"-exact"* ]]; then
exact="exact"; matchType="exact ${matchType}"
@ -90,7 +87,7 @@ if [[ -n "${str:-}" ]]; then
fi
scanDatabaseTable() {
local domain table type querystr result
local domain table type querystr result extra
domain="$(printf "%q" "${1}")"
table="${2}"
type="${3:-}"
@ -99,10 +96,17 @@ scanDatabaseTable() {
# Underscores are SQLite wildcards matching exactly one character. We obviously want to suppress this
# behavior. The "ESCAPE '\'" clause specifies that an underscore preceded by an '\' should be matched
# as a literal underscore character. We pretreat the $domain variable accordingly to escape underscores.
case "${type}" in
"exact" ) querystr="SELECT domain FROM vw_${table} WHERE domain = '${domain}'";;
* ) querystr="SELECT domain FROM vw_${table} WHERE domain LIKE '%${domain//_/\\_}%' ESCAPE '\\'";;
esac
if [[ "${table}" == "gravity" ]]; then
case "${exact}" in
"exact" ) querystr="SELECT gravity.domain,adlist.address,adlist.enabled FROM gravity LEFT JOIN adlist ON adlist.id = gravity.adlist_id WHERE domain = '${domain}'";;
* ) querystr="SELECT gravity.domain,adlist.address,adlist.enabled FROM gravity LEFT JOIN adlist ON adlist.id = gravity.adlist_id WHERE domain LIKE '%${domain//_/\\_}%' ESCAPE '\\'";;
esac
else
case "${exact}" in
"exact" ) querystr="SELECT domain,enabled FROM domainlist WHERE type = '${type}' AND domain = '${domain}'";;
* ) querystr="SELECT domain,enabled FROM domainlist WHERE type = '${type}' AND domain LIKE '%${domain//_/\\_}%' ESCAPE '\\'";;
esac
fi
# Send prepared query to gravity database
result="$(sqlite3 "${gravityDBfile}" "${querystr}")" 2> /dev/null
@ -111,12 +115,17 @@ scanDatabaseTable() {
return
fi
if [[ "${table}" == "gravity" ]]; then
echo "${result}"
return
fi
# Mark domain as having been white-/blacklist matched (global variable)
wbMatch=true
# Print table name
if [[ -z "${blockpage}" ]]; then
echo " ${matchType^} found in ${COL_BOLD}${table^}${COL_NC}"
echo " ${matchType^} found in ${COL_BOLD}exact ${table}${COL_NC}"
fi
# Loop over results and print them
@ -126,7 +135,13 @@ scanDatabaseTable() {
echo "π ${result}"
exit 0
fi
echo " ${result}"
domain="${result/|*}"
if [[ "${result#*|}" == "0" ]]; then
extra=" (disabled)"
else
extra=""
fi
echo " ${domain}${extra}"
done
}
@ -134,9 +149,10 @@ scanRegexDatabaseTable() {
local domain list
domain="${1}"
list="${2}"
type="${3:-}"
# Query all regex from the corresponding database tables
mapfile -t regexList < <(sqlite3 "${gravityDBfile}" "SELECT domain FROM vw_regex_${list}" 2> /dev/null)
mapfile -t regexList < <(sqlite3 "${gravityDBfile}" "SELECT domain FROM domainlist WHERE type = ${type}" 2> /dev/null)
# If we have regexps to process
if [[ "${#regexList[@]}" -ne 0 ]]; then
@ -149,7 +165,7 @@ scanRegexDatabaseTable() {
# Split matching regexps over a new line
str_regexMatches=$(printf '%s\n' "${regexMatches[@]}")
# Form a "matched" message
str_message="${matchType^} found in ${COL_BOLD}Regex ${list}${COL_NC}"
str_message="${matchType^} found in ${COL_BOLD}regex ${list}${COL_NC}"
# Form a "results" message
str_result="${COL_BOLD}${str_regexMatches}${COL_NC}"
# If we are displaying more than just the source of the block
@ -170,32 +186,15 @@ scanRegexDatabaseTable() {
}
# Scan Whitelist and Blacklist
scanDatabaseTable "${domainQuery}" "whitelist" "${exact}"
scanDatabaseTable "${domainQuery}" "blacklist" "${exact}"
scanDatabaseTable "${domainQuery}" "whitelist" "0"
scanDatabaseTable "${domainQuery}" "blacklist" "1"
# Scan Regex table
scanRegexDatabaseTable "${domainQuery}" "whitelist"
scanRegexDatabaseTable "${domainQuery}" "blacklist"
scanRegexDatabaseTable "${domainQuery}" "whitelist" "2"
scanRegexDatabaseTable "${domainQuery}" "blacklist" "3"
# Get version sorted *.domains filenames (without dir path)
lists=("$(cd "$piholeDir" || exit 0; printf "%s\\n" -- *.domains | sort -V)")
# Query blocklists for occurences of domain
mapfile -t results <<< "$(scanList "${domainQuery}" "${lists[*]}" "${exact}")"
# Remove unwanted content from $results
# Each line in $results is formatted as such: [fileName]:[line]
# 1. Delete lines starting with #
# 2. Remove comments after domain
# 3. Remove hosts format IP address
# 4. Remove any lines that no longer contain the queried domain name (in case the matched domain name was in a comment)
esc_domain="${domainQuery//./\\.}"
mapfile -t results <<< "$(IFS=$'\n'; sed \
-e "/:#/d" \
-e "s/[ \\t]#.*//g" \
-e "s/:.*[ \\t]/:/g" \
-e "/${esc_domain}/!d" \
<<< "${results[*]}")"
# Query block lists
mapfile -t results <<< "$(scanDatabaseTable "${domainQuery}" "gravity")"
# Handle notices
if [[ -z "${wbMatch:-}" ]] && [[ -z "${wcMatch:-}" ]] && [[ -z "${results[*]}" ]]; then
@ -210,12 +209,6 @@ elif [[ -z "${all}" ]] && [[ "${#results[*]}" -ge 100 ]]; then
exit 0
fi
# Get adlist file content as array
if [[ -n "${adlist}" ]] || [[ -n "${blockpage}" ]]; then
# Retrieve source URLs from gravity database
mapfile -t adlists <<< "$(sqlite3 "${gravityDBfile}" "SELECT address FROM vw_adlist;" 2> /dev/null)"
fi
# Print "Exact matches for" title
if [[ -n "${exact}" ]] && [[ -z "${blockpage}" ]]; then
plural=""; [[ "${#results[*]}" -gt 1 ]] && plural="es"
@ -223,28 +216,25 @@ if [[ -n "${exact}" ]] && [[ -z "${blockpage}" ]]; then
fi
for result in "${results[@]}"; do
fileName="${result/:*/}"
# Determine *.domains URL using filename's number
if [[ -n "${adlist}" ]] || [[ -n "${blockpage}" ]]; then
fileNum="${fileName/list./}"; fileNum="${fileNum%%.*}"
fileName="${adlists[$fileNum]}"
# Discrepency occurs when adlists has been modified, but Gravity has not been run
if [[ -z "${fileName}" ]]; then
fileName="${COL_LIGHT_RED}(no associated adlists URL found)${COL_NC}"
fi
match="${result/|*/}"
extra="${result#*|}"
adlistAddress="${extra/|*/}"
extra="${extra#*|}"
if [[ "${extra}" == "0" ]]; then
extra="(disabled)"
else
extra=""
fi
if [[ -n "${blockpage}" ]]; then
echo "${fileNum} ${fileName}"
echo "0 ${adlistAddress}"
elif [[ -n "${exact}" ]]; then
echo " ${fileName}"
echo " - ${adlistAddress} ${extra}"
else
if [[ ! "${fileName}" == "${fileName_prev:-}" ]]; then
if [[ ! "${adlistAddress}" == "${adlistAddress_prev:-}" ]]; then
count=""
echo " ${matchType^} found in ${COL_BOLD}${fileName}${COL_NC}:"
fileName_prev="${fileName}"
echo " ${matchType^} found in ${COL_BOLD}${adlistAddress}${COL_NC}:"
adlistAddress_prev="${adlistAddress}"
fi
: $((count++))
@ -254,7 +244,7 @@ for result in "${results[@]}"; do
[[ "${count}" -gt "${max_count}" ]] && continue
echo " ${COL_GRAY}Over ${count} results found, skipping rest of file${COL_NC}"
else
echo " ${result#*:}"
echo " ${match} ${extra}"
fi
fi
done