#!/bin/sh # automated script for easy installing zapret EXEDIR="$(dirname "$0")" EXEDIR="$(cd "$EXEDIR"; pwd)" IPSET_DIR="$EXEDIR/ipset" ZAPRET_CONFIG="$EXEDIR/config" ZAPRET_BASE="$EXEDIR" . "$ZAPRET_CONFIG" . "$ZAPRET_BASE/common/base.sh" . "$ZAPRET_BASE/common/elevate.sh" . "$ZAPRET_BASE/common/fwtype.sh" . "$ZAPRET_BASE/common/dialog.sh" . "$ZAPRET_BASE/common/ipt.sh" . "$ZAPRET_BASE/common/installer.sh" # install target ZAPRET_TARGET=/opt/zapret GET_LIST="$IPSET_DIR/get_config.sh" [ -n "$TPPORT" ] || TPPORT=988 MD5=md5sum exists $MD5 || MD5=md5 sedi() { # MacOS doesnt support -i without parameter. busybox doesnt support -i with parameter. # its not possible to put "sed -i ''" to a variable and then use it if [ "$SYSTEM" = "macos" ]; then sed -i '' "$@" else sed -i "$@" fi } random() { # $1 - min, $2 - max local r rs if [ -c /dev/urandom ]; then read rs \/ #M=${M//\//\\\/} M=$(echo $M | sed 's/\//\\\//g') if [ -n "$M" ]; then if contains "$M" " "; then sedi -Ee "s/^#?$1=.*$/$1=\"$M\"/" "$ZAPRET_CONFIG" else sedi -Ee "s/^#?$1=.*$/$1=$M/" "$ZAPRET_CONFIG" fi else # write with comment at the beginning sedi -Ee "s/^#?$1=.*$/#$1=/" "$ZAPRET_CONFIG" fi else # var does not exist in config. add it if [ -n "$M" ]; then echo "$1=$M" >>"$ZAPRET_CONFIG" else echo "#$1=$M" >>"$ZAPRET_CONFIG" fi fi } select_mode_mode() { local edited v vars MODES="tpws tpws-socks nfqws filter custom" [ "$SYSTEM" = "macos" ] && MODES="tpws tpws-socks filter custom" echo echo select MODE : ask_list MODE "$MODES" tpws && write_config_var MODE case $MODE in tpws) vars="TPWS_OPT" ;; nfqws) vars="NFQWS_OPT_DESYNC NFQWS_OPT_DESYNC_HTTP NFQWS_OPT_DESYNC_HTTPS NFQWS_OPT_DESYNC_HTTP6 NFQWS_OPT_DESYNC_HTTPS6" ;; esac [ -n "$vars" ] && { echo while [ 1=1 ]; do for var in $vars; do eval v="\$$var" echo $var=\"$v\" done ask_yes_no N "do you want to edit the options" || { [ -n "$edited" ] && { for var in $vars; do write_config_var $var done } break } edit_vars $vars edited=1 echo ..edited.. done } } select_mode_http() { [ "$MODE" != "filter" ] && [ "$MODE" != "tpws-socks" ] && { echo ask_yes_no_var MODE_HTTP "enable http support" write_config_var MODE_HTTP } } select_mode_keepalive() { [ "$MODE" = "nfqws" ] && [ "$MODE_HTTP" = "1" ] && { echo echo enable keep alive support only if DPI checks every outgoing packet for http signature echo dont enable otherwise because it consumes more cpu resources ask_yes_no_var MODE_HTTP_KEEPALIVE "enable http keep alive support" write_config_var MODE_HTTP_KEEPALIVE } } select_mode_https() { [ "$MODE" != "filter" ] && [ "$MODE" != "tpws-socks" ] && { echo ask_yes_no_var MODE_HTTPS "enable https support" write_config_var MODE_HTTPS } } select_mode_filter() { local filter="none ipset hostlist" [ "$MODE" = "tpws-socks" ] && filter="none hostlist" echo echo select filtering : ask_list MODE_FILTER "$filter" none && write_config_var MODE_FILTER } select_mode() { select_mode_mode select_mode_iface select_mode_http select_mode_keepalive select_mode_https select_mode_filter } select_getlist() { if [ "$MODE_FILTER" = "ipset" -o "$MODE_FILTER" = "hostlist" ]; then local D=N [ -n "$GETLIST" ] && D=Y echo if ask_yes_no $D "do you want to auto download ip/host list"; then if [ "$MODE_FILTER" = "hostlist" ] ; then local GL_OLD=$GETLIST GETLIST="get_reestr_hostlist.sh" [ "$GL_OLD" != "$GET_LIST" ] && write_config_var GETLIST else GETLISTS="get_user.sh get_antifilter_ip.sh get_antifilter_ipsmart.sh get_antifilter_ipsum.sh get_reestr_ip.sh get_reestr_combined.sh get_reestr_resolve.sh" GETLIST_DEF="get_antifilter_ipsmart.sh" ask_list GETLIST "$GETLISTS" "$GETLIST_DEF" && write_config_var GETLIST fi return fi fi GETLIST="" write_config_var GETLIST } select_ipv6() { local T=N [ "$DISABLE_IPV6" != '1' ] && T=Y local old6=$DISABLE_IPV6 echo if ask_yes_no $T "enable ipv6 support"; then DISABLE_IPV6=0 else DISABLE_IPV6=1 fi [ "$old6" != "$DISABLE_IPV6" ] && write_config_var DISABLE_IPV6 } select_fwtype() { echo [ $(get_ram_mb) -le 400 ] && { echo WARNING ! you are running a low RAM system echo WARNING ! nft requires lots of RAM to load huge ip sets, much more than ipsets require echo WARNING ! if you need large lists it may be necessary to fall back to iptables+ipset firewall } echo select firewall type : ask_list FWTYPE "iptables nftables" "$FWTYPE" && write_config_var FWTYPE } ask_config() { select_mode select_getlist } ask_config_offload() { [ "$FWTYPE" = nftables ] || is_ipt_flow_offload_avail && { echo echo flow offloading can greatly increase speed on slow devices and high speed links \(usually 150+ mbits\) echo unfortuantely its not compatible with most nfqws options. nfqws traffic must be exempted from flow offloading. echo donttouch = disable system flow offloading setting if nfqws mode was selected, dont touch it otherwise and dont configure selective flow offloading echo none = always disable system flow offloading setting and dont configure selective flow offloading echo software = always disable system flow offloading setting and configure selective software flow offloading echo hardware = always disable system flow offloading setting and configure selective hardware flow offloading echo select flow offloading : ask_list FLOWOFFLOAD "donttouch none software hardware" donttouch && write_config_var FLOWOFFLOAD } } ask_config_tmpdir() { # ask tmpdir change for low ram systems with enough free disk space [ -n "$GETLIST" ] && [ $(get_free_space_mb "$EXEDIR/tmp") -ge 128 ] && [ $(get_ram_mb) -le 400 ] && { echo echo /tmp in openwrt is tmpfs. on low RAM systems there may be not enough RAM to store downloaded files echo default tmpfs has size of 50% RAM echo "RAM : $(get_ram_mb) Mb" echo "DISK : $(get_free_space_mb) Mb" echo select temp file location [ -z "$TMPDIR" ] && TMPDIR=/tmp ask_list TMPDIR "/tmp $EXEDIR/tmp" && { [ "$TMPDIR" = "/tmp" ] && TMPDIR= write_config_var TMPDIR } } } ask_iface() { # $1 - var to ask # $2 - additional name for empty string synonim local ifs i0 def new eval def="\$$1" [ -n "$2" ] && i0="$2 " case $SYSTEM in macos) ifs="$(ifconfig -l)" ;; *) ifs="$(ls /sys/class/net)" ;; esac [ -z "$def" ] && eval $1="$2" ask_list $1 "$i0$ifs" && { eval new="\$$1" [ "$new" = "$2" ] && eval $1="" write_config_var $1 } } ask_iface_lan() { echo LAN interface : ask_iface IFACE_LAN "NONE" } ask_iface_wan() { echo WAN interface : ask_iface IFACE_WAN "ANY" } select_mode_iface() { # openwrt has its own interface management scheme # filter just creates ip tables, no daemons involved # nfqws sits in POSTROUTING chain and unable to filter by incoming interface # tpws redirection works in PREROUTING chain # in tpws-socks mode IFACE_LAN specifies additional bind interface for the socks listener # it's not possible to instruct tpws to route outgoing connection to an interface (OS routing table decides) # custom mode can also benefit from interface names (depends on custom script code) if [ "$SYSTEM" = "openwrt" ] || [ "$MODE" = "filter" ]; then return; fi echo case "$MODE" in tpws-socks) echo "select LAN interface to allow socks access from your LAN. select NONE for localhost only." echo "expect socks on tcp port $TPPORT" ask_iface_lan ;; tpws) echo "select LAN interface to operate in router mode. select NONE for local outgoing traffic only." if [ "$SYSTEM" = "macos" ]; then echo "WARNING ! OS feature \"internet sharing\" is not supported." echo "Only manually configured PF router is supported." else echo "WARNING ! This installer will not configure routing, NAT, ... for you. Its your responsibility." fi ask_iface_lan ;; custom) echo "select LAN interface for your custom script (how it works depends on your code)" ask_iface_lan ;; esac case "$MODE" in tpws) echo "select WAN interface for $MODE operations. select ANY to operate on any interface." [ -n "$IFACE_LAN" ] && echo "WAN filtering works only for local outgoing traffic !" ask_iface_wan ;; nfqws) echo "select WAN interface for $MODE operations. select ANY to operate on any interface." ask_iface_wan ;; custom) echo "select WAN interface for your custom script (how it works depends on your code)" ask_iface_wan ;; esac } copy_all() { cp -R "$1" "$2" [ -d "$2/tmp" ] || mkdir "$2/tmp" } copy_openwrt() { local ARCH=$(get_bin_arch) local BINDIR="$1/binaries/$ARCH" [ -d "$2" ] || mkdir -p "$2" mkdir "$2/tpws" "$2/nfq" "$2/ip2net" "$2/mdig" "$2/binaries" "$2/binaries/$ARCH" "$2/init.d" "$2/tmp" cp -R "$1/common" "$1/ipset" "$2" cp -R "$1/init.d/openwrt" "$2/init.d" cp "$1/config" "$1/install_easy.sh" "$1/uninstall_easy.sh" "$1/install_bin.sh" "$1/blockcheck.sh" "$2" cp "$BINDIR/tpws" "$BINDIR/nfqws" "$BINDIR/ip2net" "$BINDIR/mdig" "$2/binaries/$ARCH" } _backup_settings() { local i=0 for f in "$@"; do [ -f "$ZAPRET_TARGET/$f" ] && cp -f "$ZAPRET_TARGET/$f" "/tmp/zapret-bkp-$i" i=$(($i+1)) done } _restore_settings() { local i=0 for f in "$@"; do [ -f "/tmp/zapret-bkp-$i" ] && mv -f "/tmp/zapret-bkp-$i" "$ZAPRET_TARGET/$f" || rm -f "/tmp/zapret-bkp-$i" i=$(($i+1)) done } backup_restore_settings() { # $1 - 1 - backup, 0 - restore local mode=$1 on_off_function _backup_settings _restore_settings $mode "config" "init.d/sysv/custom" "init.d/openwrt/custom" "init.d/macos/custom" "ipset/zapret-hosts-user.txt" "ipset/zapret-hosts-user-exclude.txt" "ipset/zapret-hosts-user-ipban.txt" } check_location() { # $1 - copy function echo \* checking location # use inodes in case something is linked [ -d "$ZAPRET_TARGET" ] && [ $(get_dir_inode "$EXEDIR") = $(get_dir_inode "$ZAPRET_TARGET") ] || { echo echo easy install is supported only from default location : $ZAPRET_TARGET echo currently its run from $EXEDIR if ask_yes_no N "do you want the installer to copy it for you"; then local keep=N if [ -d "$ZAPRET_TARGET" ]; then echo echo installer found existing $ZAPRET_TARGET echo directory needs to be replaced. config and custom scripts can be kept or replaced with clean version if ask_yes_no N "do you want to delete all files there and copy this version"; then echo ask_yes_no Y "keep config, custom scripts and user lists" && keep=Y [ "$keep" = "Y" ] && backup_restore_settings 1 rm -r "$ZAPRET_TARGET" else echo refused to overwrite $ZAPRET_TARGET. exiting exitp 3 fi fi local B=$(dirname "$ZAPRET_TARGET") [ -d "$B" ] || mkdir -p "$B" $1 "$EXEDIR" "$ZAPRET_TARGET" [ "$keep" = "Y" ] && backup_restore_settings 0 echo relaunching itself from $ZAPRET_TARGET exec $ZAPRET_TARGET/$(basename $0) else echo copying aborted. exiting exitp 3 fi } echo running from $EXEDIR } check_prerequisites_linux() { echo \* checking prerequisites local s cmd PKGS UTILS req="curl curl" case "$FWTYPE" in iptables) req="$req iptables iptables ip6tables iptables ipset ipset" ;; nftables) req="$req nft nftables" ;; esac PKGS=$(for s in $req; do echo $s; done | while read cmd; do read pkg exists $cmd || echo $pkg done | sort -u | xargs) UTILS=$(for s in $req; do echo $s; done | while read cmd; do read pkg echo $cmd done | sort -u | xargs) if [ -z "$PKGS" ] ; then echo required utilities exist : $UTILS else echo \* installing prerequisites echo packages required : $PKGS APTGET=$(whichq apt-get) YUM=$(whichq yum) PACMAN=$(whichq pacman) ZYPPER=$(whichq zypper) EOPKG=$(whichq eopkg) APK=$(whichq apk) if [ -x "$APTGET" ] ; then "$APTGET" update "$APTGET" install -y --no-install-recommends $PKGS dnsutils || { echo could not install prerequisites exitp 6 } elif [ -x "$YUM" ] ; then "$YUM" -y install $PKGS || { echo could not install prerequisites exitp 6 } elif [ -x "$PACMAN" ] ; then "$PACMAN" -Syy "$PACMAN" --noconfirm -S $PKGS || { echo could not install prerequisites exitp 6 } elif [ -x "$ZYPPER" ] ; then "$ZYPPER" --non-interactive install $PKGS || { echo could not install prerequisites exitp 6 } elif [ -x "$EOPKG" ] ; then "$EOPKG" -y install $PKGS || { echo could not install prerequisites exitp 6 } elif [ -x "$APK" ] ; then "$APK" update # for alpine [ "$FWTYPE" = iptables ] && [ -n "$($APK list ip6tables)" ] && PKGS="$PKGS ip6tables" "$APK" add $PKGS || { echo could not install prerequisites exitp 6 } else echo supported package manager not found echo you must manually install : $UTILS exitp 5 fi fi } service_install_systemd() { echo \* installing zapret service if [ -w "$SYSTEMD_SYSTEM_DIR" ] ; then rm -f "$INIT_SCRIPT" ln -fs "$EXEDIR/init.d/systemd/zapret.service" "$SYSTEMD_SYSTEM_DIR" "$SYSTEMCTL" daemon-reload "$SYSTEMCTL" enable zapret || { echo could not enable systemd service exitp 20 } else echo '!!! READONLY SYSTEM DETECTED !!! CANNOT INSTALL SYSTEMD UNITS !!!' fi } timer_install_systemd() { echo \* installing zapret-list-update timer if [ -w "$SYSTEMD_SYSTEM_DIR" ] ; then "$SYSTEMCTL" disable zapret-list-update.timer "$SYSTEMCTL" stop zapret-list-update.timer ln -fs "$EXEDIR/init.d/systemd/zapret-list-update.service" "$SYSTEMD_SYSTEM_DIR" ln -fs "$EXEDIR/init.d/systemd/zapret-list-update.timer" "$SYSTEMD_SYSTEM_DIR" "$SYSTEMCTL" daemon-reload "$SYSTEMCTL" enable zapret-list-update.timer || { echo could not enable zapret-list-update.timer exitp 20 } "$SYSTEMCTL" start zapret-list-update.timer || { echo could not start zapret-list-update.timer exitp 30 } else echo '!!! READONLY SYSTEM DETECTED !!! CANNOT INSTALL SYSTEMD UNITS !!!' fi } download_list() { [ -x "$GET_LIST" ] && { echo \* downloading blocked ip/host list # can be txt or txt.gz "$IPSET_DIR/clear_lists.sh" "$GET_LIST" || { echo could not download ip list exitp 25 } } } dnstest() { # $1 - dns server. empty for system resolver nslookup w3.org $1 >/dev/null 2>/dev/null } check_dns() { echo \* checking DNS dnstest || { echo -- DNS is not working. It's either misconfigured or blocked or you don't have inet access. return 1 } echo system DNS is working return 0 } install_systemd() { INIT_SCRIPT_SRC="$EXEDIR/init.d/sysv/zapret" check_bins require_root check_readonly_system check_location copy_all check_dns service_stop_systemd select_fwtype check_prerequisites_linux install_binaries select_ipv6 ask_config service_install_systemd download_list # in case its left from old version of zapret crontab_del_quiet # now we use systemd timers timer_install_systemd service_start_systemd } _install_sysv() { # $1 - install init script check_bins require_root check_readonly_system check_location copy_all check_dns service_stop_sysv select_fwtype check_prerequisites_linux install_binaries select_ipv6 ask_config $1 download_list crontab_del_quiet # desktop system. more likely up at daytime crontab_add 10 22 service_start_sysv } install_sysv() { INIT_SCRIPT_SRC="$EXEDIR/init.d/sysv/zapret" _install_sysv install_sysv_init } install_openrc() { INIT_SCRIPT_SRC="$EXEDIR/init.d/openrc/zapret" _install_sysv install_openrc_init } install_linux() { INIT_SCRIPT_SRC="$EXEDIR/init.d/sysv/zapret" check_bins require_root check_location copy_all check_dns select_fwtype check_prerequisites_linux install_binaries select_ipv6 ask_config download_list crontab_del_quiet # desktop system. more likely up at daytime crontab_add 10 22 echo echo '!!! WARNING. YOUR SETUP IS INCOMPLETE !!!' echo you must manually add to auto start : $INIT_SCRIPT_SRC start echo make sure it\'s executed after your custom/firewall iptables configuration echo "if your system uses sysv init : ln -fs $INIT_SCRIPT_SRC /etc/init.d/zapret ; chkconfig zapret on" } check_prerequisites_openwrt() { echo \* checking prerequisites local PKGS="curl" PKGS UPD=0 case "$FWTYPE" in iptables) PKGS="$PKGS ipset iptables-mod-extra iptables-mod-nfqueue iptables-mod-filter iptables-mod-ipopt iptables-mod-conntrack-extra" [ "$DISABLE_IPV6" != "1" ] && PKGS="$PKGS ip6tables-mod-nat ip6tables-extra" ;; nftables) PKGS="$PKGS nftables kmod-nft-nat kmod-nft-offload kmod-nft-queue" [ "$DISABLE_IPV6" != "1" ] && PKGS="$PKGS kmod-nft-nat6" ;; esac if check_packages_openwrt $PKGS ; then echo everything is present else echo \* installing prerequisites opkg update UPD=1 opkg install $PKGS || { echo could not install prerequisites exitp 6 } fi is_linked_to_busybox gzip && { echo echo your system uses default busybox gzip. its several times slower than GNU gzip. echo ip/host list scripts will run much faster with GNU gzip echo installer can install GNU gzip but it requires about 100 Kb space if ask_yes_no N "do you want to install GNU gzip"; then [ "$UPD" = "0" ] && { opkg update UPD=1 } opkg install --force-overwrite gzip fi } is_linked_to_busybox sort && { echo echo your system uses default busybox sort. its much slower and consumes much more RAM than GNU sort echo ip/host list scripts will run much faster with GNU sort echo installer can install GNU sort but it requires about 100 Kb space if ask_yes_no N "do you want to install GNU sort"; then [ "$UPD" = "0" ] && { opkg update UPD=1 } opkg install --force-overwrite coreutils-sort fi } is_linked_to_busybox grep && { echo echo your system uses default busybox grep. its damn infinite slow with -f option echo get_combined.sh will be severely impacted echo installer can install GNU grep but it requires about 0.5 Mb space if ask_yes_no N "do you want to install GNU grep"; then [ "$UPD" = "0" ] && { opkg update UPD=1 } opkg install --force-overwrite grep # someone reported device partially fail if /bin/grep is absent # grep package deletes /bin/grep [ -f /bin/grep ] || ln -s busybox /bin/grep fi } } deoffload_openwrt_firewall() { echo \* checking flow offloading [ "$FWTYPE" = "nftables" ] || is_ipt_flow_offload_avail || { echo unavailable return } local fo=$(uci -q get firewall.@defaults[0].flow_offloading) if [ "$fo" = "1" ] ; then local mod=0 printf "system wide flow offloading detected. " case $FLOWOFFLOAD in donttouch) if [ "$MODE" = "nfqws" ]; then echo its incompatible with nfqws tcp data tampering. disabling uci set firewall.@defaults[0].flow_offloading=0 mod=1 else if [ "$MODE" = "custom" ] ; then echo custom mode selected !!! only you can decide whether flow offloading is compatible else echo its compatible with selected options. not disabling fi fi ;; *) echo zapret will disable system wide offloading setting and add selective rules if required uci set firewall.@defaults[0].flow_offloading=0 mod=1 esac [ "$mod" = "1" ] && uci commit firewall else echo system wide software flow offloading disabled. ok fi } install_openwrt() { INIT_SCRIPT_SRC="$EXEDIR/init.d/openwrt/zapret" FW_SCRIPT_SRC="$EXEDIR/init.d/openwrt/firewall.zapret" OPENWRT_FW_INCLUDE=/etc/firewall.zapret OPENWRT_IFACE_HOOK="$EXEDIR/init.d/openwrt/90-zapret" check_bins require_root check_location copy_openwrt install_binaries check_dns local FWTYPE_OLD=$FWTYPE echo \* stopping current firewall rules/daemons "$INIT_SCRIPT_SRC" stop_fw "$INIT_SCRIPT_SRC" stop_daemons select_fwtype select_ipv6 check_prerequisites_openwrt ask_config ask_config_tmpdir ask_config_offload # stop and reinstall sysv init install_sysv_init [ "$FWTYPE_OLD" != "$FWTYPE" -a "$FWTYPE_OLD" = iptables -a -n "$OPENWRT_FW3" ] && remove_openwrt_firewall # free some RAM clear_ipset download_list crontab_del_quiet # router system : works 24/7. night is the best time crontab_add 0 6 cron_ensure_running install_openwrt_iface_hook # in case of nftables or iptables without fw3 sysv init script also controls firewall [ -n "$OPENWRT_FW3" -a "$FWTYPE" = iptables ] && install_openwrt_firewall service_start_sysv deoffload_openwrt_firewall restart_openwrt_firewall } remove_pf_zapret_hooks() { echo \* removing zapret PF hooks pf_anchors_clear } macos_fw_reload_trigger_clear() { case "$MODE" in tpws|tpws-socks|custom) LISTS_RELOAD= write_config_var LISTS_RELOAD ;; esac } macos_fw_reload_trigger_set() { case "$MODE" in tpws|custom) LISTS_RELOAD="$INIT_SCRIPT_SRC reload-fw-tables" write_config_var LISTS_RELOAD ;; esac } install_macos() { INIT_SCRIPT_SRC="$EXEDIR/init.d/macos/zapret" # compile before root check_bins require_root check_location copy_all service_stop_macos remove_pf_zapret_hooks install_binaries check_dns select_ipv6 ask_config service_install_macos macos_fw_reload_trigger_clear # gzip lists are incompatible with PF GZIP_LISTS=0 write_config_var GZIP_LISTS download_list macos_fw_reload_trigger_set crontab_del_quiet # desktop system. more likely up at daytime crontab_add 10 22 service_start_macos } # build binaries, do not use precompiled [ "$1" = "make" ] && FORCE_BUILD=1 check_system [ "$SYSTEM" = "macos" ] && . "$EXEDIR/init.d/macos/functions" case $SYSTEM in systemd) install_systemd ;; openrc) install_openrc ;; linux) install_linux ;; openwrt) install_openwrt ;; macos) install_macos ;; esac exitp 0