mirror of
https://github.com/bol-van/zapret.git
synced 2024-11-27 04:30:53 +03:00
488 lines
11 KiB
Plaintext
488 lines
11 KiB
Plaintext
[ -n "$ZAPRET_BASE" ] || ZAPRET_BASE=/opt/zapret
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IPSET_DIR=$ZAPRET_BASE/ipset
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. "$IPSET_DIR/def.sh"
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HOSTLIST="$ZHOSTLIST.gz"
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[ -f "$HOSTLIST" ] || HOSTLIST="$ZHOSTLIST"
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[ -f "$HOSTLIST" ] || HOSTLIST="$ZUSERLIST"
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PIDDIR=/var/run
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[ -n "$TPPORT" ] || TPPORT=988
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TPWS_USER=daemon
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TPWS_WAIT="--bind-wait-ifup=30 --bind-wait-ip=30"
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TPWS_WAIT_SOCKS6="$TPWS_WAIT --bind-wait-ip-linklocal=30"
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TPWS="$ZAPRET_BASE/tpws/tpws"
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PF_MAIN="/etc/pf.conf"
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PF_ANCHOR_DIR=/etc/pf.anchors
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PF_ANCHOR_ZAPRET="$PF_ANCHOR_DIR/zapret"
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PF_ANCHOR_ZAPRET_V4="$PF_ANCHOR_DIR/zapret-v4"
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PF_ANCHOR_ZAPRET_V6="$PF_ANCHOR_DIR/zapret-v6"
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CUSTOM_SCRIPT="$ZAPRET_BASE/init.d/macos/custom"
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[ -f "$CUSTOM_SCRIPT" ] && . "$CUSTOM_SCRIPT"
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existf()
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{
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type "$1" >/dev/null 2>/dev/null
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}
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on_off_function()
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{
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# $1 : function name on
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# $2 : function name off
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# $3 : 0 - off, 1 - on
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local F="$1"
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[ "$3" = "1" ] || F="$2"
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shift
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shift
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shift
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"$F" "$@"
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}
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run_daemon()
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{
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# $1 - daemon number : 1,2,3,...
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# $2 - daemon
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# $3 - daemon args
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# use $PIDDIR/$DAEMONBASE$1.pid as pidfile
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local DAEMONBASE="$(basename $2)"
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local PIDFILE="$PIDDIR/$DAEMONBASE$1.pid"
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local ARGS="--daemon --pidfile=$PIDFILE $3"
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[ -f "$PIDFILE" ] && pgrep -qF "$PIDFILE" && {
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echo Already running $1: $2
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return 0
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}
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echo "Starting daemon $1: $2 $ARGS"
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"$2" $ARGS
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}
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stop_daemon()
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{
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# $1 - daemon number : 1,2,3,...
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# $2 - daemon
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# use $PIDDIR/$DAEMONBASE$1.pid as pidfile
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local PID
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local DAEMONBASE="$(basename $2)"
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local PIDFILE="$PIDDIR/$DAEMONBASE$1.pid"
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[ -f "$PIDFILE" ] && read PID <"$PIDFILE"
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[ -n "$PID" ] && {
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echo "Stopping daemon $1: $2 (PID=$PID)"
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kill $PID
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rm -f "$PIDFILE"
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}
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return 0
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}
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do_daemon()
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{
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# $1 - 1 - run, 0 - stop
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on_off_function run_daemon stop_daemon "$@"
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}
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filter_apply_hostlist_target()
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{
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# $1 - var name of tpws or nfqws params
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[ "$MODE_FILTER" = "hostlist" ] && eval $1="\"\$$1 --hostlist=$HOSTLIST\""
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}
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tpws_apply_binds()
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{
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local o
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[ "$DISABLE_IPV4" = "1" ] || o="--bind-addr=127.0.0.1"
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[ "$DISABLE_IPV6" = "1" ] || {
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for i in lo0 $IFACE_LAN; do
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o="$o --bind-iface6=$i --bind-linklocal=force $TPWS_WAIT"
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done
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}
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eval $1="\"\$$1 $o\""
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}
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tpws_apply_socks_binds()
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{
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local o
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[ "$DISABLE_IPV4" = "1" ] || o="--bind-addr=127.0.0.1"
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[ "$DISABLE_IPV6" = "1" ] || o="$o --bind-addr=::1"
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for lan in $IFACE_LAN; do
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[ "$DISABLE_IPV4" = "1" ] || o="$o --bind-iface4=$lan $TPWS_WAIT"
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[ "$DISABLE_IPV6" = "1" ] || o="$o --bind-iface6=$lan --bind-linklocal=unwanted $TPWS_WAIT_SOCKS6"
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done
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eval $1="\"\$$1 $o\""
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}
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wait_interface_ll()
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{
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echo waiting for an ipv6 link local address on $1 ...
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"$TPWS" --bind-wait-only --bind-iface6=$1 --bind-linklocal=force $TPWS_WAIT
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}
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wait_lan_ll()
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{
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[ "$DISABLE_IPV6" != "1" ] && {
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for lan in $IFACE_LAN; do
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wait_interface_ll $lan >&2 || {
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echo "wait interface failed on $lan"
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return 1
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}
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done
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}
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return 0
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}
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get_ipv6_linklocal()
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{
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ifconfig $1 | sed -nEe 's/^.*inet6 (fe80:[a-f0-9:]+).*/\1/p'
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}
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pf_anchor_root_reload()
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{
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echo reloading PF root anchor
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pfctl -qf "$PF_MAIN"
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}
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pf_anchor_root()
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{
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local patch
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[ -f "$PF_MAIN" ] && {
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grep -q '^rdr-anchor "zapret"$' "$PF_MAIN" || {
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echo patching rdr-anchor in $PF_MAIN
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patch=1
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sed -i '' -e '/^rdr-anchor "com\.apple\/\*"$/i \
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rdr-anchor "zapret"
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' $PF_MAIN
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}
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grep -q '^anchor "zapret"$' "$PF_MAIN" || {
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echo patching anchor in $PF_MAIN
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patch=1
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sed -i '' -e '/^anchor "com\.apple\/\*"$/i \
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anchor "zapret"
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' $PF_MAIN
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}
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grep -q "^set limit table-entries" "$PF_MAIN" || {
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echo patching table-entries limit
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patch=1
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sed -i '' -e '/^scrub-anchor "com\.apple\/\*"$/i \
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set limit table-entries 5000000
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' $PF_MAIN
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}
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grep -q '^anchor "zapret"$' "$PF_MAIN" &&
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grep -q '^rdr-anchor "zapret"$' "$PF_MAIN" &&
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grep -q '^set limit table-entries' "$PF_MAIN" && {
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if [ -n "$patch" ]; then
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echo successfully patched $PF_MAIN
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pf_anchor_root_reload
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else
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echo successfully checked zapret anchors in $PF_MAIN
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fi
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return 0
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}
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}
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echo ----------------------------------
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echo Automatic $PF_MAIN patching failed. You must apply root anchors manually in your PF config.
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echo rdr-anchor \"zapret\"
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echo anchor \"zapret\"
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echo ----------------------------------
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return 1
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}
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pf_anchor_root_del()
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{
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sed -i '' -e '/^anchor "zapret"$/d' -e '/^rdr-anchor "zapret"$/d' -e '/^set limit table-entries/d' "$PF_MAIN"
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}
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pf_anchor_zapret()
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{
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[ "$DISABLE_IPV4" = "1" ] || {
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if [ -f "$ZIPLIST_EXCLUDE" ]; then
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echo "table <nozapret> persist file \"$ZIPLIST_EXCLUDE\""
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else
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echo "table <nozapret> persist"
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fi
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}
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[ "$DISABLE_IPV6" = "1" ] || {
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if [ -f "$ZIPLIST_EXCLUDE6" ]; then
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echo "table <nozapret6> persist file \"$ZIPLIST_EXCLUDE6\""
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else
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echo "table <nozapret6> persist"
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fi
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}
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[ "$DISABLE_IPV4" = "1" ] || echo "rdr-anchor \"/zapret-v4\" inet to !<nozapret>"
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[ "$DISABLE_IPV6" = "1" ] || echo "rdr-anchor \"/zapret-v6\" inet6 to !<nozapret6>"
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[ "$DISABLE_IPV4" = "1" ] || echo "anchor \"/zapret-v4\" inet to !<nozapret>"
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[ "$DISABLE_IPV6" = "1" ] || echo "anchor \"/zapret-v6\" inet6 to !<nozapret6>"
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}
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pf_anchor_zapret_tables()
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{
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# $1 - variable to receive applied table names
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# $2/$3 $4/$5 ... table_name/table_file
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local tblv=$1
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local _tbl
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shift
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[ "$MODE_FILTER" = "ipset" ] &&
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{
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while [ -n "$1" ] && [ -n "$2" ] ; do
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[ -f "$2" ] && {
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echo "table <$1> file \"$2\""
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_tbl="$_tbl<$1> "
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}
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shift
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shift
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done
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}
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[ -n "$_tbl" ] || _tbl="any"
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eval $tblv="\"\$_tbl\""
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}
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pf_anchor_port_target()
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{
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if [ "$MODE_HTTP" = "1" ] && [ "$MODE_HTTPS" = "1" ]; then
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echo "{80,443}"
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elif [ "$MODE_HTTPS" = "1" ]; then
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echo "443"
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elif [ "$MODE_HTTP" = "1" ]; then
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echo "80"
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fi
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}
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pf_anchor_zapret_v4_tpws()
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{
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# $1 - port
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local rule port=$(pf_anchor_port_target)
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for lan in $IFACE_LAN; do
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for t in $tbl; do
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echo "rdr on $lan inet proto tcp from any to $t port $port -> 127.0.0.1 port $1"
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done
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done
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echo "rdr on lo0 inet proto tcp from !127.0.0.0/8 to any port $port -> 127.0.0.1 port $1"
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for t in $tbl; do
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rule="route-to (lo0 127.0.0.1) inet proto tcp from !127.0.0.0/8 to $t port $port user { >root }"
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if [ -n "$IFACE_WAN" ] ; then
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for wan in $IFACE_WAN; do
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echo "pass out on $wan $rule"
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done
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else
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echo "pass out $rule"
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fi
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done
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}
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pf_anchor_zapret_v4()
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{
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local tbl port
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[ "$DISABLE_IPV4" = "1" ] || {
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case $MODE in
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tpws)
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[ ! "$MODE_HTTP" = "1" ] && [ ! "$MODE_HTTPS" = "1" ] && return
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pf_anchor_zapret_tables tbl zapret-user "$ZIPLIST_USER" zapret "$ZIPLIST"
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pf_anchor_zapret_v4_tpws $TPPORT
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;;
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custom)
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pf_anchor_zapret_tables tbl zapret-user "$ZIPLIST_USER" zapret "$ZIPLIST"
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existf zapret_custom_firewall_v4 && zapret_custom_firewall_v4
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;;
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esac
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}
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}
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pf_anchor_zapret_v6_tpws()
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{
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# $1 - port
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local LL_LAN rule port=$(pf_anchor_port_target)
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# LAN link local is only for router
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for lan in $IFACE_LAN; do
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LL_LAN=$(get_ipv6_linklocal $lan)
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[ -n "$LL_LAN" ] && {
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for t in $tbl; do
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echo "rdr on $lan inet6 proto tcp from any to $t port $port -> $LL_LAN port $1"
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done
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}
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done
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echo "rdr on lo0 inet6 proto tcp from !::1 to any port $port -> fe80::1 port $1"
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for t in $tbl; do
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rule="route-to (lo0 fe80::1) inet6 proto tcp from !::1 to $t port $port user { >root }"
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if [ -n "$IFACE_WAN" ] ; then
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for wan in $IFACE_WAN; do
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echo "pass out on $wan $rule"
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done
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else
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echo "pass out $rule"
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fi
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done
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}
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pf_anchor_zapret_v6()
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{
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local tbl port
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[ "$DISABLE_IPV6" = "1" ] || {
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case $MODE in
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tpws)
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[ ! "$MODE_HTTP" = "1" ] && [ ! "$MODE_HTTPS" = "1" ] && return
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pf_anchor_zapret_tables tbl zapret6-user "$ZIPLIST_USER6" zapret6 "$ZIPLIST6"
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pf_anchor_zapret_v6_tpws $TPPORT
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;;
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custom)
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pf_anchor_zapret_tables tbl zapret6-user "$ZIPLIST_USER6" zapret6 "$ZIPLIST6"
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existf zapret_custom_firewall_v6 && zapret_custom_firewall_v6
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;;
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esac
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}
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}
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pf_anchors_create()
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{
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wait_lan_ll
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pf_anchor_zapret >"$PF_ANCHOR_ZAPRET"
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pf_anchor_zapret_v4 >"$PF_ANCHOR_ZAPRET_V4"
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pf_anchor_zapret_v6 >"$PF_ANCHOR_ZAPRET_V6"
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}
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pf_anchors_del()
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{
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rm -f "$PF_ANCHOR_ZAPRET" "$PF_ANCHOR_ZAPRET_V4" "$PF_ANCHOR_ZAPRET_V6"
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}
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pf_anchors_load()
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{
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echo loading zapret anchor from "$PF_ANCHOR_ZAPRET"
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pfctl -qa zapret -f "$PF_ANCHOR_ZAPRET" || {
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echo error loading zapret anchor
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return 1
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}
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if [ "$DISABLE_IPV4" = "1" ]; then
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echo clearing zapret-v4 anchor
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pfctl -qa zapret-v4 -F all 2>/dev/null
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else
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echo loading zapret-v4 anchor from "$PF_ANCHOR_ZAPRET_V4"
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pfctl -qa zapret-v4 -f "$PF_ANCHOR_ZAPRET_V4" || {
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echo error loading zapret-v4 anchor
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return 1
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}
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fi
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if [ "$DISABLE_IPV6" = "1" ]; then
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echo clearing zapret-v6 anchor
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pfctl -qa zapret-v6 -F all 2>/dev/null
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else
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echo loading zapret-v6 anchor from "$PF_ANCHOR_ZAPRET_V6"
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pfctl -qa zapret-v6 -f "$PF_ANCHOR_ZAPRET_V6" || {
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echo error loading zapret-v6 anchor
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return 1
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}
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fi
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echo successfully loaded PF anchors
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return 0
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}
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pf_anchors_clear()
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{
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echo clearing zapret anchors
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pfctl -qa zapret-v4 -F all 2>/dev/null
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pfctl -qa zapret-v6 -F all 2>/dev/null
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pfctl -qa zapret -F all 2>/dev/null
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}
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pf_enable()
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{
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echo enabling PF
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pfctl -qe
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}
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pf_table_reload()
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{
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echo reloading zapret tables
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[ "$DISABLE_IPV4" = "1" ] || pfctl -qTl -a zapret-v4 -f "$PF_ANCHOR_ZAPRET_V4"
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[ "$DISABLE_IPV6" = "1" ] || pfctl -qTl -a zapret-v6 -f "$PF_ANCHOR_ZAPRET_V6"
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pfctl -qTl -a zapret -f "$PF_ANCHOR_ZAPRET"
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}
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zapret_do_firewall()
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{
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# $1 - 1 - add, 0 - del
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case "${MODE}" in
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tpws|filter|custom)
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if [ "$1" = "1" ] ; then
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pf_anchor_root || return 1
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pf_anchors_create
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pf_anchors_load || return 1
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pf_enable
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else
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pf_anchors_clear
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fi
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;;
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tpws-socks)
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;;
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*)
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echo "unsupported MODE=$MODE"
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return 1
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;;
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esac
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return 0
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}
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zapret_apply_firewall()
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{
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zapret_do_firewall 1 "$@"
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}
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zapret_unapply_firewall()
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{
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zapret_do_firewall 0 "$@"
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}
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zapret_restart_firewall()
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{
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zapret_unapply_firewall "$@"
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zapret_apply_firewall "$@"
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}
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zapret_do_daemons()
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{
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# $1 - 1 - run, 0 - stop
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local opt
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case "${MODE}" in
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tpws)
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[ "$1" = "1" ] && [ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && {
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echo "both ipv4 and ipv6 are disabled. nothing to do"
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return 0
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}
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# MacOS requires root. kernel hardcoded requirement for /dev/pf ioctls
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opt="--user=root --port=$TPPORT"
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filter_apply_hostlist_target opt
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tpws_apply_binds opt
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opt="$opt $TPWS_OPT"
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do_daemon $1 1 "$TPWS" "$opt"
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;;
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tpws-socks)
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[ "$1" = "1" ] && [ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && {
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echo "both ipv4 and ipv6 are disabled. nothing to do"
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return 0
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}
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opt="--socks --user=$TPWS_USER --port=$TPPORT"
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tpws_apply_socks_binds opt
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filter_apply_hostlist_target opt
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opt="$opt $TPWS_OPT"
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do_daemon $1 1 "$TPWS" "$opt"
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;;
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filter)
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;;
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custom)
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existf zapret_custom_daemons && zapret_custom_daemons $1
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;;
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*)
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echo "unsupported MODE=$MODE"
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return 1
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;;
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esac
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}
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zapret_run_daemons()
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{
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zapret_do_daemons 1 "$@"
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}
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zapret_stop_daemons()
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{
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zapret_do_daemons 0 "$@"
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}
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zapret_restart_daemons()
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{
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zapret_stop_daemons "$@"
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zapret_run_daemons "$@"
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}
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