zapret/install_easy.sh
2022-03-17 14:13:21 +03:00

1009 lines
24 KiB
Bash
Executable File

#!/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, $2 - max
local r rs
if [ -c /dev/urandom ]; then
read rs </dev/urandom
else
rs="$RANDOM$RANDOM$(date)"
fi
# shells use signed int64
r=1$(echo $rs | $MD5 | sed 's/[^0-9]//g' | head -c 17)
echo $(( ($r % ($2-$1+1)) + $1 ))
}
check_readonly_system()
{
local RO
echo \* checking readonly system
case $SYSTEM in
systemd)
[ -w "$SYSTEMD_SYSTEM_DIR" ] || RO=1
;;
openrc)
[ -w "$(dirname "$INIT_SCRIPT")" ] || RO=1
;;
esac
[ -z "$RO" ] || {
echo '!!! READONLY SYSTEM DETECTED !!!'
echo '!!! WILL NOT BE ABLE TO CONFIGURE STARTUP !!!'
echo '!!! MANUAL STARTUP CONFIGURATION IS REQUIRED !!!'
ask_yes_no N "do you want to continue" || exitp 5
}
}
check_bins()
{
echo \* checking executables
local arch=$(get_bin_arch)
local make_target
[ "$FORCE_BUILD" = "1" ] && {
echo forced build mode
if [ "$arch" = "my" ]; then
echo already compiled
else
arch=""
fi
}
if [ -n "$arch" ] ; then
echo found architecture "\"$arch\""
elif [ -f "$EXEDIR/Makefile" ] && exists make; then
echo trying to compile
[ "$SYSTEM" = "macos" ] && make_target=mac
make -C "$EXEDIR" $make_target || {
echo could not compile
make -C "$EXEDIR" clean
exitp 8
}
echo compiled
else
echo build tools not found
exitp 8
fi
}
call_install_bin()
{
"$EXEDIR/install_bin.sh" $1
}
get_bin_arch()
{
call_install_bin getarch
}
install_binaries()
{
echo \* installing binaries
call_install_bin || {
echo compatible binaries not found
exitp 8
}
}
write_config_var()
{
# $1 - mode var
local M
eval M="\$$1"
if grep -q "^$1=\|^#$1=" "$ZAPRET_CONFIG"; then
# replace / => \/
#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
GETLISTS="get_antizapret_domains.sh get_reestr_hostlist.sh"
GETLIST_DEF="get_antizapret_domains.sh"
else
GETLISTS="get_user.sh get_antifilter_ip.sh get_antifilter_ipsmart.sh get_antifilter_ipsum.sh get_antifilter_ipresolve.sh get_antifilter_allyouneed.sh get_reestr_ip.sh get_reestr_combined.sh get_reestr_resolve.sh"
GETLIST_DEF="get_antifilter_allyouneed.sh"
fi
ask_list GETLIST "$GETLISTS" "$GETLIST_DEF" && write_config_var GETLIST
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 \(usually 150+ mbits\)
if [ "$SYSTEM" = openwrt ]; then
echo unfortuantely its not compatible with most nfqws options. nfqws traffic must be exempted from flow offloading.
echo donttouch = disable system flow offloading setting if nfqws mode was selected, dont touch it otherwise and dont configure selective flow offloading
echo none = always disable system flow offloading setting and dont configure selective flow offloading
echo software = always disable system flow offloading setting and configure selective software flow offloading
echo hardware = always disable system flow offloading setting and configure selective hardware flow offloading
else
echo offloading is applicable only to forwarded traffic. it has no effect on outgoing traffic
echo hardware flow offloading is available only on specific supporting hardware. most likely will not work on a generic system
fi
echo offloading breaks traffic shaper
echo select flow offloading :
local options="none software hardware"
local default="none"
[ "$SYSTEM" = openwrt ] && {
options="donttouch none software hardware"
default="donttouch"
}
ask_list FLOWOFFLOAD "$options" $default && write_config_var FLOWOFFLOAD
}
}
ask_config_tmpdir()
{
# ask tmpdir change for low ram systems with enough free disk space
[ -n "$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
}
}
}
nft_flow_offload()
{
[ "$UNAME" = Linux -a "$FWTYPE" = nftables -a "$MODE" != "tpws-socks" ] && [ "$FLOWOFFLOAD" = software -o "$FLOWOFFLOAD" = hardware ]
}
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 :
local opt
nft_flow_offload || opt=NONE
ask_iface IFACE_LAN $opt
}
ask_iface_wan()
{
echo WAN interface :
local opt
nft_flow_offload || opt=ANY
ask_iface IFACE_WAN $opt
}
select_mode_iface()
{
# openwrt has its own interface management scheme
# filter just creates ip tables, no daemons involved
# nfqws sits in POSTROUTING chain and unable to filter by incoming interface
# tpws redirection works in PREROUTING chain
# in tpws-socks mode IFACE_LAN specifies additional bind interface for the socks listener
# it's not possible to instruct tpws to route outgoing connection to an interface (OS routing table decides)
# custom mode can also benefit from interface names (depends on custom script code)
if [ "$SYSTEM" = "openwrt" ] || [ "$MODE" = "filter" ]; then return; fi
case "$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
;;
*)
nft_flow_offload && {
echo "select LAN interface for nftables flow offloading"
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
;;
*)
nft_flow_offload && {
echo "select WAN interface for nftables flow offloading"
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_offload
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_offload
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_offload
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