@ -1,6 +1,6 @@
#!/bin/sh /etc/rc.common
# Copyright 2017-2020 Stan Grishin (stangri@melmac.net)
# shellcheck disable=SC2039,SC1091
# shellcheck disable=SC2039,SC1091,SC2016
PKG_VERSION='dev-test'
# shellcheck disable=SC2034
@ -9,21 +9,12 @@ START=94
USE_PROCD=1
LC_ALL=C
if type extra_command 1>/dev/null 2>&1; then
extra_command 'check' 'Checks if specified domain is found in current block-list'
extra_command 'dl' 'Force-downloads all enabled block-list'
extra_command 'sizes' 'Displays the file-sizes of enabled block-listo'
extra_command 'show' 'Shows the service last-run status'
extra_command 'version' 'Show version information'
else
# shellcheck disable=SC2034
EXTRA_COMMANDS='check dl killcache sizes show version'
# shellcheck disable=SC2034
EXTRA_HELP=' check Checks if specified domain is found in current block-list
dl Force-downloads all enabled block-list
sizes Displays the file-sizes of enabled block-lists
show Shows the service last-run status'
fi
extra_command 'check' 'Checks if specified domain is found in current block-list'
extra_command 'dl' 'Force-downloads all enabled block-list'
extra_command 'killcache' 'Delete all cached files'
extra_command 'sizes' 'Displays the file-sizes of enabled block-listo'
extra_command 'show' 'Shows the service last-run status'
extra_command 'version' 'Show version information'
readonly packageName='simple-adblock'
readonly serviceName="$packageName $PKG_VERSION"
@ -61,6 +52,7 @@ readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
readonly _ERROR_='\033[0;31mERROR\033[0m'
readonly _WARNING_='\033[0;33mWARNING\033[0m'
version() { echo "$PKG_VERSION"; }
@ -124,6 +116,8 @@ dnsmasq_hup() { killall -q -HUP dnsmasq; }
dnsmasq_kill() { killall -q -KILL dnsmasq; }
dnsmasq_restart() { /etc/init.d/dnsmasq restart >/dev/null 2>&1; }
unbound_restart() { /etc/init.d/unbound restart >/dev/null 2>&1; }
is_force_dns_active() { iptables-save | grep -q -w -- '--dport 53'; }
is_present() { command -v "$1" >/dev/null 2>&1; }
output() {
# Can take a single parameter (text) to be output at any verbosity
@ -144,35 +138,14 @@ output() {
fi
}
serviceEnabled=1
forceDNS=1
parallelDL=1
debug=0
compressedCache=0
ipv6Enabled=0
configUpdateEnabled=0
configUpdateURL=''
bootDelay=120
dlTimeout=20
curlRetry=3
verbosity=2
led=''
targetDNS=dnsmasq.servers
dnsInstance=0
allowed_domains=''
blocked_domains=''
allowed_domains_urls=''
blocked_domains_urls=''
blocked_hosts_urls=''
dl_command=''
dl_flag=''
outputFilter=''
outputFilterIPv6=''
outputFile=''
outputGzip=''
outputCache=''
isSSLSupported=''
allowIDN=0
serviceEnabled=''; forceDNS=''; parallelDL=''; debug=''; compressedCache='';
ipv6Enabled=''; configUpdateEnabled=''; configUpdateURL=''; bootDelay='';
dlTimeout=''; curlRetry=''; verbosity=''; led=''; targetDNS=''; dnsInstance='';
allowed_domains=''; allowed_domains_urls='';
blocked_domains=''; blocked_domains_urls=''; blocked_hosts_urls='';
dl_command=''; dl_flag=''; isSSLSupported=''; allowIDN='';
outputFilter=''; outputFilterIPv6=''; outputFile=''; outputGzip=''; outputCache='';
awk='awk';
load_package_config() {
config_load "$packageName"
@ -261,11 +234,22 @@ load_package_config() {
fi
. /lib/functions/network.sh
. /usr/share/libubox/jshn.sh
is_present 'gawk' && awk='gawk'
if ! is_present '/usr/libexec/grep-gnu' || ! is_present '/usr/libexec/sed-gnu' || \
! is_present '/usr/libexec/sort-coreutils' || ! is_present 'gawk'; then
local s="opkg update; opkg --force-overwrite install"
is_present 'gawk' || s="$s gawk"
is_present '/usr/libexec/grep-gnu' || s="$s grep"
is_present '/usr/libexec/sed-gnu' || s="$s sed"
is_present '/usr/libexec/sort-coreutils' || s="$s coreutils-sort"
output "$_WARNING_: Some recommended packages are missing, install them by running:\\n"
output "$s;\\n"
fi
# Prefer curl because it supports the file:// scheme.
if command -v curl >/dev/null 2>&1; then
if is_present 'curl' ; then
dl_command="curl --insecure --retry $curlRetry --connect-timeout $dlTimeout --silent"
dl_flag="-o"
elif command -v wget >/dev/null 2>&1 && wget --version 2>/dev/null | grep -q "+https"; then
elif is_present wget && wget --version 2>/dev/null | grep -q "+https"; then
dl_command="wget --no-check-certificate --timeout $dlTimeout -q"
dl_flag="-O"
else
@ -464,7 +448,8 @@ dnsOps() {
}
tmpfs() {
local action="$1" instance="$2" value="$3"
# shellcheck disable=SC2034
local action="$1" param="$2" value="$3"
local status message error stats
local reload restart curReload curRestart ret i
if [ -s "$jsonFile" ]; then
@ -476,15 +461,7 @@ tmpfs() {
fi
case "$action" in
get)
case "$instance" in
status)
printf "%b" "$status"; return;;
message)
printf "%b" "$message"; return;;
error)
printf "%b" "$error"; return;;
stats)
printf "%b" "$stats"; return;;
case "$param" in
triggers)
curReload="$parallelDL $debug $dlTimeout $allowed_domains $blocked_domains $allowed_domains_urls $blocked_domains_urls $blocked_hosts_urls $targetDNS"
curRestart="$compressedCache $forceDNS $led"
@ -497,54 +474,30 @@ tmpfs() {
fi
printf "%b" "$ret"
return;;
*)
printf "%b" "$(eval echo "\$$param")"; return;;
esac
;;
add)
case "$instance" in
status)
[ -n "$status" ] && status="$status $value" || status="$value";;
message)
[ -n "$message" ] && message="$message $value" || message="$value";;
error)
[ -n "$error" ] && error="$error $value" || error="$value";;
stats)
[ -n "$stats" ] && stats="$stats $value" || stats="$value";;
esac
;;
eval "$param"='$(eval echo "\$$param")${value} ';;
del)
case "$instance " in
case "$param" in
all)
unset status;
unset message;
unset error;
unset stats;
;;
status)
unset status;;
message)
unset message;;
error)
unset error;;
stats)
unset stats;;
unset status message error stats;;
triggers)
unset reload; unset restart;;
unset reload restart;;
*)
unset "$param";;
esac
;;
set)
case "$instance" in
status)
status="$value";;
message)
message="$value";;
error)
error="$value";;
stats)
stats="$value";;
case "$param" in
triggers)
reload="$parallelDL $debug $dlTimeout $allowed_domains $blocked_domains $allowed_domains_urls $blocked_domains_urls $blocked_hosts_urls $targetDNS"
restart="$compressedCache $forceDNS $led"
;;
*)
eval "$param"='$value';;
esac
;;
esac
@ -677,7 +630,7 @@ download_lists() {
tmpfs set status "statusDownloading"
rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip"
if [ "$(awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
if [ "$($ awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then
output 3 'Low free memory, restarting resolver... '
if dnsOps 'quiet'; then
output_okn
@ -728,7 +681,7 @@ download_lists() {
[ -n "$blocked_domains" ] && for hf in ${blocked_domains}; do echo "$hf" | sed "$domainsFilter" >> $B_TMP; done
allowed_domains="${allowed_domains}
$(cat $A_TMP)"
[ -n "$allowed_domains" ] && for hf in ${allowed_domains}; do hf="$(echo "$hf" | sed 's/\./\\./g')"; w_filter="$w_filter/^${hf}$/d;/\\. ${hf}$/d;"; done
[ -n "$allowed_domains" ] && for hf in ${allowed_domains}; do hf="$(echo "$hf" | sed 's/\./\\./g')"; w_filter="$w_filter/${hf}$/d;"; done
[ ! -s "$B_TMP" ] && return 1
@ -758,11 +711,11 @@ $(cat $A_TMP)"
# TLD optimization written by Dirk Brenken (dev@brenken.org)
output 2 'Optimizing combined list '
tmpfs set message "$(getStatusText "statusProcessing"): optimizing combined list"
# sed -E 'G;:t;s/(.*)(\.)(.*)(\n)(.*)/\1\4\5\2\3/;tt;s/(.*)\n(\.)(.*)/\3\2\1/' is actually slower than awk
if awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$A_TMP" > "$B_TMP"; then
# sed -E 'G;:t;s/(.*)(\.)(.*)(\n)(.*)/\1\4\5\2\3/;tt;s/(.*)\n(\.)(.*)/\3\2\1/' is actually slower than comm and belo w
if $ awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$A_TMP" > "$B_TMP"; then
if sort "$B_TMP" > "$A_TMP"; then
if awk '{if(NR=1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "$A_TMP" > "$B_TMP"; then
if awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$B_TMP" > "$A_TMP"; then
if $ awk '{if(NR=1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "$A_TMP" > "$B_TMP"; then
if $ awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "$B_TMP" > "$A_TMP"; then
if sort -u "$A_TMP" > "$B_TMP"; then
output_ok
else
@ -1154,7 +1107,7 @@ sizes() {
for i in $blocked_domains_urls; do
[ "${i//melmac}" != "$i" ] && continue
if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
echo "# File size: $(du -sh /tmp/sast | awk '{print $1}')"
echo "# File size: $(du -sh /tmp/sast | $ awk '{print $1}')"
if compare_values "$(du -sk /tmp/sast)" "500"; then
echo "# block-list too big for most routers"
elif compare_values "$(du -sk /tmp/sast)" "100"; then
@ -1172,7 +1125,7 @@ sizes() {
for i in $blocked_hosts_urls; do
if $dl_command "$i" $dl_flag /tmp/sast 2>/dev/null && [ -s /tmp/sast ]; then
echo "# File size: $(du -sh /tmp/sast | awk '{print $1}')"
echo "# File size: $(du -sh /tmp/sast | $ awk '{print $1}')"
if compare_values "$(du -sk /tmp/sast)" "500"; then
echo "# block-list too big for most routers"
elif compare_values "$(du -sk /tmp/sast)" "100"; then