#!/bin/sh /etc/rc.common # Copyright 2017-2019 Stan Grishin (stangri@melmac.net) # shellcheck disable=SC2039 # shellcheck disable=SC1091 PKG_VERSION= export START=94 export USE_PROCD=1 export LC_ALL=C export EXTRA_COMMANDS="check dl killcache status" export EXTRA_HELP=" check Checks if specified domain is found in current blacklist dl Force-redownloads all the list status Shows the service last-run status" readonly packageName="simple-adblock" readonly serviceName="$packageName $PKG_VERSION" readonly addnhostsFile="/var/run/${packageName}.addnhosts" readonly addnhostsCache="/var/run/${packageName}.addnhosts.cache" readonly addnhostsGzip="/etc/${packageName}.addnhosts.gz" readonly addnhostsOutputFilter='s|^|127.0.0.1 |;s|$||' readonly addnhostsOutputFilterIPv6='s|^|:: |;s|$||' readonly dnsmasqFile="/var/dnsmasq.d/${packageName}" readonly dnsmasqCache="/var/run/${packageName}.dnsmasq.cache" readonly dnsmasqGzip="/etc/${packageName}.dnsmasq.gz" readonly dnsmasqOutputFilter='s|^|local=/|;s|$|/|' readonly serversFile="/var/run/${packageName}.servers" readonly serversCache="/var/run/${packageName}.servers.cache" readonly serversGzip="/etc/${packageName}.servers.gz" readonly serversOutputFilter='s|^|server=/|;s|$|/|' readonly unboundFile="/var/lib/unbound/adb_list.${packageName}" readonly unboundCache="/var/run/${packageName}.unbound.cache" readonly unboundGzip="/etc/${packageName}.unbound.gz" readonly unboundOutputFilter='s|^|local-zone: "|;s|$|" static|' readonly A_TMP="/var/${packageName}.hosts.a.tmp" readonly B_TMP="/var/${packageName}.hosts.b.tmp" readonly PIDFile="/var/run/${packageName}.pid" readonly jsonFile="/var/run/${packageName}.json" readonly hostsFilter='/localhost/d;/^#/d;/^[^0-9]/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:space:]]*#.*$//;s/[[:cntrl:]]$//;s/[[:space:]]//g;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;' readonly domainsFilter='/^#/d;s/[[:space:]]*#.*$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;/[^[:alnum:]_.-]/d;' readonly checkmark='\xe2\x9c\x93' readonly xmark='\xe2\x9c\x97' readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m' readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m' readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m' readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m' readonly _ERROR_='\033[0;31mERROR\033[0m' readonly statusSuccess='Success' readonly statusFail='Fail' readonly statusDownloading='Downloading' readonly statusReloading='Reloading' readonly statusRestarting='Restarting' readonly statusStarting='Starting' readonly statusForceReloading='Force-Reloading' readonly statusProcessing='Processing' readonly statusStopped='Stopped' readonly sharedMemoryError="/dev/shm/$packageName-error" create_lock() { [ -e "$PIDFile" ] && return 1; touch "$PIDFile"; } remove_lock() { [ -e "$PIDFile" ] && rm -f "$PIDFile"; } trap remove_lock EXIT output_ok() { output 1 "$_OK_"; output 2 "$__OK__\\n"; } output_okn() { output 1 "$_OK_\\n"; output 2 "$__OK__\\n"; } output_fail() { output 1 "$_FAIL_\\n"; output 2 "$__FAIL__\\n"; } output_failn() { output 1 "$_FAIL_"; output 2 "$__FAIL__\\n"; } str_replace() { echo "$1" | sed -e "s/$2/$3/g"; } str_contains() { [ "$1" != "$(str_replace "$1" "$2" "")" ]; } readonly sharedMemoryOutput="/dev/shm/$packageName-output" output() { # Can take a single parameter (text) to be output at any verbosity # Or target verbosity level and text to be output at specifc verbosity local msg memmsg if [ $# -ne 1 ]; then if [ $((verbosity & $1)) -gt 0 ] || [ "$verbosity" = "$1" ]; then shift; else return 0; fi fi [ -t 1 ] && printf "%b" "$1" msg="$(printf "%s" "$(str_replace "$1" "$serviceName " "service ")" | sed 's|\\033\[[0-9]\?;\?[0-9]\?[0-9]\?m||g')"; if [ "$(printf "%b" "$msg" | wc -l)" -gt 0 ]; then [ -s "$sharedMemoryOutput" ] && memmsg="$(cat "$sharedMemoryOutput")" logger -t "${packageName:-service} [$$]" "$(printf "%b" "${memmsg}${msg}")" rm -f "$sharedMemoryOutput" else printf "%b" "$msg" >> "$sharedMemoryOutput" fi } led_on(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo "default-on" > "${1}/trigger" 2>&1; fi; } led_off(){ if [ -n "${1}" ] && [ -e "${1}/trigger" ]; then echo "none" > "${1}/trigger" 2>&1; fi; } export serviceEnabled export forceDNS export parallelDL export debug export allowNonAscii export compressedCache export targetDNS export bootDelay export dlTimeout export curlRetry export verbosity export led export whitelist_domains export blacklist_domains export whitelist_domains_urls export blacklist_domains_urls export blacklist_hosts_urls export wan_if wan_gw wanphysdev dl_command serviceStatus dl_flag export outputFilter outputFilterIPv6 outputFile outputGzip outputCache ipv6Enabled load_package_config() { config_load "$packageName" config_get_bool serviceEnabled "config" "enabled" 1 config_get_bool forceDNS "config" "force_dns" 1 config_get_bool parallelDL "config" "parallel_downloads" 1 config_get_bool debug "config" "debug" 0 config_get_bool allowNonAscii "config" "allow_non_ascii" 0 config_get_bool compressedCache "config" "compressed_cache" 0 config_get_bool ipv6Enabled "config" "ipv6_enabled" 0 config_get bootDelay "config" "boot_delay" "120" config_get dlTimeout "config" "download_timeout" "20" config_get curlRetry "config" "curl_retry" "3" config_get verbosity "config" "verbosity" "2" config_get led "config" "led" config_get targetDNS "config" "dns" "dnsmasq.servers" config_get whitelist_domains "config" "whitelist_domain" config_get blacklist_domains "config" "blacklist_domain" config_get whitelist_domains_urls "config" "whitelist_domains_url" config_get blacklist_domains_urls "config" "blacklist_domains_url" config_get blacklist_hosts_urls "config" "blacklist_hosts_url" if [ "$targetDNS" != "dnsmasq.addnhosts" ] && [ "$targetDNS" != "dnsmasq.conf" ] && \ [ "$targetDNS" != "dnsmasq.servers" ] && [ "$targetDNS" != "unbound.adb_list" ]; then targetDNS="dnsmasq.servers" fi case "$targetDNS" in dnsmasq.addnhosts) outputFilter="$addnhostsOutputFilter" outputFile="$addnhostsFile" outputCache="$addnhostsCache" outputGzip="$addnhostsGzip" [ "$ipv6Enabled" -gt 0 ] && outputFilterIPv6="$addnhostsOutputFilterIPv6" rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip" rm -f "$serversFile" "$serversCache" "$serversGzip" rm -f "$unboundFile" "$unboundCache" "$unboundGzip" ;; dnsmasq.conf) outputFilter="$dnsmasqOutputFilter" outputFile="$dnsmasqFile" outputCache="$dnsmasqCache" outputGzip="$dnsmasqGzip" rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip" rm -f "$serversFile" "$serversCache" "$serversGzip" rm -f "$unboundFile" "$unboundCache" "$unboundGzip" ;; dnsmasq.servers) outputFilter="$serversOutputFilter" outputFile="$serversFile" outputCache="$serversCache" outputGzip="$serversGzip" rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip" rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip" rm -f "$unboundFile" "$unboundCache" "$unboundGzip" ;; unbound.adb_list) outputFilter="$unboundOutputFilter" outputFile="$unboundFile" outputCache="$unboundCache" outputGzip="$unboundGzip" rm -f "$dnsmasqFile" "$dnsmasqCache" "$dnsmasqGzip" rm -f "$addnhostsFile" "$addnhostsCache" "$addnhostsGzip" rm -f "$serversFile" "$serversCache" "$serversGzip" ;; esac if [ -z "${verbosity##*[!0-9]*}" ] || [ "$verbosity" -lt 0 ] || [ "$verbosity" -gt 2 ]; then verbosity=1 fi . /lib/functions/network.sh . /usr/share/libubox/jshn.sh # Prefer curl because it supports the file: scheme. if [ -x /usr/bin/curl ] ; then dl_command="curl --insecure --retry $curlRetry --connect-timeout $dlTimeout --silent" dl_flag="-o" else dl_command="wget --no-check-certificate --timeout $dlTimeout -q" dl_flag="-O" fi led="${led:+/sys/class/leds/$led}" } is_enabled() { load_package_config if [ "$debug" -ne 0 ]; then exec 1>>/tmp/simple-adblock.log exec 2>&1 set -x fi if [ "$serviceEnabled" -eq 0 ]; then case "$1" in on_start) output "$packageName is currently disabled.\\n" output "Run the following commands before starting service again:\\n" output "uci set ${packageName}.config.enabled='1'; uci commit $packageName;\\n" ;; esac return 1 fi [ ! -d "${outputFile%/*}" ] && mkdir -p "${outputFile%/*}" [ ! -d "${outputCache%/*}" ] && mkdir -p "${outputFile%/*}" [ ! -d "${outputGzip%/*}" ] && mkdir -p "${outputFile%/*}" cacheOps 'testGzip' && return 0 network_flush_cache; network_find_wan wan_if; network_get_gateway wan_gw "$wan_if"; [ -n "$wan_gw" ] && return 0 output "$_ERROR_: $serviceName failed to discover WAN gateway.\\n"; return 1; } dnsmasq_kill() { killall -q -HUP dnsmasq; } dnsmasq_restart() { /etc/init.d/dnsmasq restart >/dev/null 2>&1; } unbound_restart() { /etc/init.d/unbound restart >/dev/null 2>&1; } reload_resolver() { local param output_text case $1 in on_start) if [ ! -s "$outputFile" ]; then tmpfs set status "$statusFail" tmpfs add error "Error: Failed to create $outputFile file." output "$_ERROR_: $serviceName failed to create its data file!\\n" return 1 fi case "$targetDNS" in dnsmasq.addnhosts) uci -q del_list dhcp.@dnsmasq[0].addnhosts="$addnhostsFile" uci add_list dhcp.@dnsmasq[0].addnhosts="$addnhostsFile" if [ -n "$(uci changes dhcp)" ]; then uci commit dhcp param=dnsmasq_restart output_text="Restarting DNSMASQ" else param=dnsmasq_kill output_text="Reloading DNSMASQ" fi ;; dnsmasq.conf) param=dnsmasq_restart output_text="Restarting DNSMASQ" ;; dnsmasq.servers) if [ "$(uci -q get dhcp.@dnsmasq[0].serversfile)" != "$serversFile" ]; then uci set dhcp.@dnsmasq[0].serversfile="$serversFile" uci commit dhcp param=dnsmasq_restart output_text="Restarting DNSMASQ" else param=dnsmasq_kill output_text="Reloading DNSMASQ" fi ;; unbound.adb_list) param=unbound_restart output_text="Restarting Unbound" ;; esac output 1 "$output_text " output 2 "$output_text " tmpfs set message "$output_text" if eval "$param"; then tmpfs set status "$statusSuccess" led_on "$led" output_okn else output_fail tmpfs set status "$statusFail" tmpfs add error "Error: $output_text error." output "$_ERROR_: $serviceName $output_text error!\\n" return 1 fi ;; on_stop) cacheOps 'create' case "$targetDNS" in dnsmasq.addnhosts | dnsmasq.servers) if [ -n "$(uci changes dhcp)" ]; then uci -q commit dhcp param=dnsmasq_restart else param=dnsmasq_kill fi ;; dnsmasq.conf) param=dnsmasq_restart ;; unbound.adb_list) param=unbound_restart ;; esac eval "$param" return $? ;; quiet) case "$targetDNS" in dnsmasq.addnhosts | dnsmasq.servers | dnsmasq.conf) param=dnsmasq_restart ;; unbound.adb_list) param=unbound_restart ;; esac eval "$param" return $? ;; esac } tmpfs() { local action="$1" instance="$2" value="$3" local status message error stats local readReload readRestart curReload curRestart ret if [ -s "$jsonFile" ]; then status="$(jsonfilter -i $jsonFile -l1 -e "@['data']['status']")" message="$(jsonfilter -i $jsonFile -l1 -e "@['data']['message']")" error="$(jsonfilter -i $jsonFile -l1 -e "@['data']['error']")" stats="$(jsonfilter -i $jsonFile -l1 -e "@['data']['stats']")" readReload="$(jsonfilter -i $jsonFile -l1 -e "@['data']['reload']")" readRestart="$(jsonfilter -i $jsonFile -l1 -e "@['data']['restart']")" fi case "$action" in get) case "$instance" in status) echo "$status"; return;; message) echo "$message"; return;; error) echo "$error"; return;; stats) echo "$stats"; return;; triggers) curReload="$allowNonAscii $parallelDL $debug $dlTimeout $whitelist_domains $blacklist_domains $whitelist_domains_urls $blacklist_domains_urls $blacklist_hosts_urls $targetDNS" curRestart="$compressedCache $forceDNS $led" if [ "$curReload" != "$readReload" ]; then ret="download" elif [ "$curRestart" != "$readRestart" ]; then ret="restart" fi echo "$ret" 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 ;; del) case "$instance" in status) unset status;; message) unset message;; error) unset error;; stats) unset stats;; triggers) unset readReload; unset readRestart;; esac ;; set) case "$instance" in status) status="$value";; message) message="$value";; error) error="$value";; stats) stats="$value";; triggers) readReload="$allowNonAscii $parallelDL $debug $dlTimeout $whitelist_domains $blacklist_domains $whitelist_domains_urls $blacklist_domains_urls $blacklist_hosts_urls $targetDNS" readRestart="$compressedCache $forceDNS $led" ;; esac ;; esac json_init json_add_object "data" json_add_string version "$PKG_VERSION" json_add_string status "$status" json_add_string message "$message" json_add_string error "$error" json_add_string stats "$stats" json_add_string reload "$readReload" json_add_string restart "$readRestart" json_close_object json_dump > "$jsonFile" sync } cacheOps() { local R_TMP case "$1" in create|backup) [ -f "$outputFile" ] && mv "$outputFile" "$outputCache" >/dev/null 2>/dev/null return $? ;; restore|use) [ -f "$outputCache" ] && mv "$outputCache" "$outputFile" >/dev/null 2>/dev/null return $? ;; test) [ -s "$outputCache" ] return $? ;; testGzip) [ -s "$outputGzip" ] && gzip -t -c "$outputGzip" return $? ;; createGzip) R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)" if gzip < "$outputFile" > "$R_TMP"; then if mv "$R_TMP" "$outputGzip"; then rm -f "$R_TMP" return 0 else rm -f "$R_TMP" return 1 fi else return 1 fi ;; expand|unpack|expandGzip|unpackGzip) [ -s "$outputGzip" ] && gzip -dc < "$outputGzip" > "$outputCache" return $? ;; esac } is_chaos_calmer() { ubus -S call system board | grep -q "Chaos Calmer"; } remove_fw3_redirect() { local name config_get name "$1" "name" # shellcheck disable=SC2154 if [ -n "$name" ] && str_contains "$name" "simple-adblock"; then uci -q del "firewall.$1" fi } fw3_setup() { config_load "firewall" config_foreach remove_fw3_redirect "redirect" if [ "$1" = "start" ]; then uci -q add firewall redirect >/dev/null 2>&1 uci -q set firewall.@redirect[-1].name="simple_adblock_dns_hijack" uci -q set firewall.@redirect[-1].target="DNAT" uci -q set firewall.@redirect[-1].src="lan" uci -q set firewall.@redirect[-1].proto="tcpudp" uci -q set firewall.@redirect[-1].src_dport="53" uci -q set firewall.@redirect[-1].dest_port="53" uci -q set firewall.@redirect[-1].dest_ip="$2" uci -q set firewall.@redirect[-1].reflection="0" fi if [ -n "$(uci changes firewall)" ]; then uci -q commit firewall /etc/init.d/firewall restart >/dev/null 2>&1 fi } process_url() { local label type D_TMP R_TMP if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then return 1; fi label="${1##*//}"; label="${label%%/*}"; if [ "$2" = "hosts" ]; then label="Hosts: $label"; filter="$hostsFilter"; else label="Domains: $label"; filter="$domainsFilter"; fi if [ "$3" = "blocked" ]; then type="Blocked"; D_TMP="$B_TMP"; else type="Allowed"; D_TMP="$A_TMP"; fi while [ -z "$R_TMP" ] || [ -e "$R_TMP" ]; do R_TMP="$(mktemp -u -q -t ${packageName}_tmp.XXXXXXXX)" done if ! $dl_command "$1" $dl_flag "$R_TMP" 2>/dev/null || [ ! -s "$R_TMP" ]; then output 1 "$_FAIL_" output 2 "[DL] $type $label $__FAIL__\\n" printf "%b" "Error: downloading '${1}'.\\n" >> "$sharedMemoryError" else sed -i "$filter" "$R_TMP" if [ ! -s "$R_TMP" ]; then output 1 "$_FAIL_" output 2 "[DL] $type $label $__FAIL__\\n" printf "%b" "Error: parsing '${1}'.\\n" >> "$sharedMemoryError" else cat "${R_TMP}" >> "$D_TMP" output 1 "$_OK_" output 2 "[DL] $type $label $__OK__\\n" fi fi rm -f "$R_TMP" return 0 } download_lists() { local hf w_filter j=0 R_TMP tmpfs set message "${statusDownloading}..." rm -f "$A_TMP" "$B_TMP" "$outputFile" "$outputCache" "$outputGzip" if [ "$(awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo")" -lt 32 ]; then output 3 "Low free memory, restarting resolver... " if reload_resolver 'quiet'; then output_okn else output_fail fi fi touch $A_TMP; touch $B_TMP; output 1 "Downloading lists " rm -f "$sharedMemoryError" if [ -n "$blacklist_hosts_urls" ]; then for hf in ${blacklist_hosts_urls}; do if [ "$parallelDL" -gt 0 ]; then process_url "$hf" "hosts" "blocked" & else process_url "$hf" "hosts" "blocked" fi done fi if [ -n "$blacklist_domains_urls" ]; then for hf in ${blacklist_domains_urls}; do if [ "$parallelDL" -gt 0 ]; then process_url "$hf" "domains" "blocked" & else process_url "$hf" "domains" "blocked" fi done fi if [ -n "$whitelist_domains_urls" ]; then for hf in ${whitelist_domains_urls}; do if [ "$parallelDL" -gt 0 ]; then process_url "$hf" "domains" "allowed" & else process_url "$hf" "domains" "allowed" fi done fi wait [ -s "$sharedMemoryError" ] && tmpfs add error "$(cat "$sharedMemoryError")" rm -f "$sharedMemoryError" output 1 "\\n" [ -n "$blacklist_domains" ] && for hf in ${blacklist_domains}; do echo "$hf" | sed "$domainsFilter" >> $B_TMP; done whitelist_domains="${whitelist_domains} $(cat $A_TMP)" [ -n "$whitelist_domains" ] && for hf in ${whitelist_domains}; do hf=$(echo "$hf" | sed 's/\./\\./g'); w_filter="$w_filter/^${hf}$/d;/\\.${hf}$/d;"; done [ ! -s "$B_TMP" ] && return 1 output 1 "Processing downloads " output 2 "Sorting combined list " tmpfs set message "$statusProcessing: sorting combined list" if [ "$allowNonAscii" -gt 0 ]; then if sort "$B_TMP" | uniq > "$A_TMP"; then output_ok else output_failn tmpfs add error "Error: Sorting error." fi else if sort "$B_TMP" | uniq | grep -E -v '[^a-zA-Z0-9=/.-]' > "$A_TMP"; then output_ok else output_failn tmpfs add error "Error: Sorting error." fi fi if [ "$targetDNS" = "dnsmasq.conf" ] || \ [ "$targetDNS" = "dnsmasq.servers" ] || \ [ "$targetDNS" = "unbound.adb_list" ]; then # TLD optimization written by Dirk Brenken (dev@brenken.org) output 2 "Optimizing combined list " tmpfs set message "$statusProcessing: optimizing combined list" if awk -F "." '{for(f=NF;f>1;f--)printf "%s.",$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" > "$A_TMP"; then if sort "$A_TMP" | uniq > "$B_TMP"; then output_ok else output_failn tmpfs add error "Error: Data file optimization." mv "$A_TMP" "$B_TMP" fi else output_failn tmpfs add error "Error: Data file optimization." fi else output_failn tmpfs add error "Error: Data file optimization." mv "$A_TMP" "$B_TMP" fi else output_failn tmpfs add error "Error: Data file optimization." fi else output_failn tmpfs add error "Error: Data file optimization." mv "$A_TMP" "$B_TMP" fi else mv "$A_TMP" "$B_TMP" fi output 2 "Whitelisting domains " tmpfs set message "$statusProcessing: whitelisting domains" if sed -i "$w_filter" "$B_TMP"; then output_ok else output_failn tmpfs add error "Error: Whitelist processing." fi output 2 "Formatting merged file " tmpfs set message "$statusProcessing: formatting merged file" if [ -z "$outputFilterIPv6" ]; then if sed "$outputFilter" "$B_TMP" > "$A_TMP"; then output_ok else output_failn tmpfs add error "Error: Data file formatting." fi else if sed "$outputFilter" "$B_TMP" > "$A_TMP" && \ sed "$outputFilterIPv6" "$B_TMP" >> "$A_TMP"; then output_ok else output_failn tmpfs add error "Error: Data file formatting." fi fi case "$targetDNS" in dnsmasq.addnhosts) output 2 "Creating DNSMASQ addnhosts file " tmpfs set message "$statusProcessing: creating DNSMASQ addnhosts file" ;; dnsmasq.conf) output 2 "Creating DNSMASQ config file " tmpfs set message "$statusProcessing: creating DNSMASQ config file" ;; dnsmasq.servers) output 2 "Creating DNSMASQ servers file " tmpfs set message "$statusProcessing: creating DNSMASQ servers file" ;; unbound.adb_list) output 2 "Creating Unbound adb_list file " tmpfs set message "$statusProcessing: creating Unbound adb_list file" ;; esac if mv "$A_TMP" "$outputFile"; then output_ok else output_failn tmpfs add error "Error: moving data file '${A_TMP}' to '${outputFile}'." fi if [ "$compressedCache" -gt 0 ]; then output 2 "Creating compressed cache " tmpfs set message "$statusProcessing: creating compressed cache" if cacheOps 'createGzip'; then output_ok else output_failn tmpfs add error "Error: creating compressed cache." fi else rm -f "$outputGzip" fi output 2 "Removing temporary files " tmpfs set message "$statusProcessing: removing temporary files" rm -f "/tmp/${packageName}_tmp.*" "$A_TMP" "$B_TMP" "$outputCache" || j=1 if [ $j -eq 0 ]; then output_ok else output_failn tmpfs add error "Error: removing temporary files." fi output 1 "\\n" } boot() { load_package_config if create_lock; then sleep "$bootDelay" remove_lock rc_procd start_service && rc_procd service_triggers fi } start_service() { is_enabled 'on_start' || return 1 local ip action status error message stats if create_lock; then procd_open_instance "main" procd_set_param command /bin/true procd_set_param stdout 1 procd_set_param stderr 1 network_get_ipaddr ip "lan" # shellcheck disable=SC2154 if [ "$forceDNS" -ne 0 ] && [ -n "$ip" ]; then if is_chaos_calmer; then fw3_setup "start" "$ip" else procd_open_data json_add_array firewall json_add_object "" json_add_string type redirect json_add_string target "DNAT" json_add_string src "lan" json_add_string dest "lan" json_add_string proto "tcpudp" json_add_string src_dport "53" json_add_string dest_port "53" json_add_string dest_ip "$ip" json_add_string name "simple-adblock-dns-hijack" json_add_string reflection "0" json_close_object json_close_array procd_close_data fi fi procd_close_instance status="$(tmpfs get status)" error="$(tmpfs get error)" message="$(tmpfs get message)" stats="$(tmpfs get stats)" action="$(tmpfs get triggers)" case "$1" in download) action="download";; restart|*) if [ "$1" != "restart" ] && [ -s "$outputFile" ] && [ -n "$status" ]; then status exit 0 elif [ ! -s "$outputFile" ] && ! cacheOps 'test' && ! cacheOps 'testGzip'; then action="download" elif cacheOps 'test' || cacheOps 'testGzip'; then action="start" fi if [ -n "$error" ]; then action="download" fi action="${action:-$1}" ;; esac tmpfs del status tmpfs del error tmpfs del message tmpfs del stats tmpfs set triggers case $action in download) if [ -s "$outputFile" ] || cacheOps 'test' || cacheOps 'testGzip'; then output 0 "Force-reloading $serviceName... " output 3 "Force-reloading $serviceName...\\n" tmpfs set status "$statusForceReloading" else output 0 "Starting $serviceName... " output 3 "Starting $serviceName...\\n" tmpfs set status "$statusStarting" fi download_lists reload_resolver 'on_start' ;; restart|start) if [ "$action" = "restart" ]; then output 0 "Restarting $serviceName... " output 3 "Restarting $serviceName...\\n" tmpfs set status "$statusRestarting" else output 0 "Starting $serviceName... " output 3 "Starting $serviceName...\\n" tmpfs set status "$statusStarting" fi if cacheOps 'testGzip' && ! cacheOps 'test' && [ ! -s "$outputFile" ]; then output 3 "Found compressed cache file, unpacking it " tmpfs set message "found compressed cache file, unpacking it." if cacheOps 'unpackGzip'; then output_okn else output_fail output "$_ERROR_: $serviceName failed to unpack compressed cache!\\n" tmpfs add error "Error: Failed to unpack compressed cache." return 1 fi fi if cacheOps 'test' && [ ! -s "$outputFile" ]; then output 3 "Found cache file, reusing it " tmpfs set message "found cache file, reusing it." if cacheOps 'restore'; then output_okn else output_fail tmpfs add error "Error: moving '$outputCache' to '$outputFile'." fi fi reload_resolver 'on_start' ;; esac if [ -s "$outputFile" ] && [ "$(tmpfs get status)" != "$statusFail" ]; then output 0 "$__OK__\\n"; c="$(wc -l < "$outputFile")" output 3 "$serviceName is blocking $c domains "; output_okn tmpfs del message tmpfs set status "$statusSuccess: $c domains blocked (with ${targetDNS})." error="$(tmpfs get error)" if [ -n "$error" ]; then output "$(str_replace "$error" "Error:" "$_ERROR_:")\\n" fi else output 0 "$__FAIL__\\n"; tmpfs set status "$statusFail" tmpfs add error "Error: Failed to create blocklist." fi remove_lock else output 3 "$serviceName: another instance is starting up "; output_fail return 0 fi } service_started() { procd_set_config_changed firewall; } service_stopped() { procd_set_config_changed firewall; } restart_service() { rc_procd start_service "restart"; } reload_service() { restart_service; } restart() { restart_service; } reload() { restart_service; } dl() { rc_procd start_service "download"; } killcache() { rm -f "$addnhostsCache" "$addnhostsGzip" rm -f "$dnsmasqCache" "$dnsmasqGzip" rm -f "$serversCache" "$serversGzip" rm -f "$unboundCache" "$unboundGzip" return 0 } status() { local status="$(tmpfs get status)" error="$(tmpfs get error)" message="$(tmpfs get message)" if [ -n "$status" ] && [ -n "$message" ]; then status="${status}: $message" fi [ -n "$status" ] && output "$serviceName $status\\n" [ -n "$error" ] && output "$error\\n" } stop_service() { load_package_config if is_chaos_calmer; then fw3_setup 'stop' fi if [ -s "$outputFile" ]; then output "Stopping $serviceName... " tmpfs del triggers if reload_resolver 'on_stop'; then led_off "$led" output 0 "$__OK__\\n"; output_okn tmpfs set status "$statusStopped" tmpfs del message else output 0 "$__FAIL__\\n"; output_fail tmpfs set status "$statusFail" tmpfs add error "Error: error stopping $serviceName." output "$_ERROR_: error stopping $serviceName!\\n" fi fi } check() { load_package_config local string="$1" if [ ! -f "$outputFile" ]; then echo "No blacklist ('$outputFile') found." elif [ -z "$string" ]; then echo "Usage: /etc/init.d/${packageName} check domain" elif grep -m1 -q "$string" "$outputFile"; then echo "Found $(grep -c "$string" "$outputFile") matches for '$string' in '$outputFile':" case "$targetDNS" in dnsmasq.addnhosts) grep "$string" "$outputFile" | sed 's|^127.0.0.1 ||;s|^:: ||;';; dnsmasq.conf) grep "$string" "$outputFile" | sed 's|local=/||;s|/$||;';; dnsmasq.servers) grep "$string" "$outputFile" | sed 's|server=/||;s|/$||;';; unbound.adb_list) grep "$string" "$outputFile" | sed 's|^local-zone: "||;s|" static$||;';; esac else echo "The $string is not found in current blacklist ('$outputFile')." fi }