mirror of
https://github.com/bol-van/zapret.git
synced 2025-05-24 22:32:58 +03:00
init scripts: multiple LAN/WAN interfaces
This commit is contained in:
bol-van
@@ -8,6 +8,7 @@
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TPWS_USER=daemon
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TPWS_LOCALHOST4=127.0.0.127
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[ -n "$DESYNC_MARK" ] || DESYNC_MARK=0x40000000
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[ -n "$OPENWRT_LAN" ] || OPENWRT_LAN=lan
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# max wait time for the link local ipv6 on the LAN interface
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LINKLOCAL_WAIT_SEC=5
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@@ -54,19 +55,19 @@ network_find_wan6_all()
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ipt()
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{
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iptables -C "$@" 2>/dev/null || iptables -I "$@"
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iptables -C "$@" >/dev/null 2>/dev/null || iptables -I "$@"
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}
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ipt_del()
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{
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iptables -C "$@" 2>/dev/null && iptables -D "$@"
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iptables -C "$@" >/dev/null 2>/dev/null && iptables -D "$@"
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}
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ipt6()
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{
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ip6tables -C "$@" 2>/dev/null || ip6tables -I "$@"
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ip6tables -C "$@" >/dev/null 2>/dev/null || ip6tables -I "$@"
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}
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ipt6_del()
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{
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ip6tables -C "$@" 2>/dev/null && ip6tables -D "$@"
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ip6tables -C "$@" >/dev/null 2>/dev/null && ip6tables -D "$@"
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}
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# there's no route_localnet for ipv6
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@@ -100,38 +101,46 @@ get_ipv6_global()
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dnat6_target()
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{
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# $1 - lan network name
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# $2 - var to store target ip6
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# get target ip address for DNAT. prefer link locals
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# tpws should be as inaccessible from outside as possible
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# link local address can appear not immediately after ifup
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# DNAT6_TARGET=- means attempt was made but address was not found (to avoid multiple re-attempts)
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local DNAT6_TARGET DVAR=DNAT6_TARGET_$1
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DVAR=$(echo $DVAR | sed 's/[^a-zA-Z0-9_]/_/g')
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eval DNAT6_TARGET="\$$DVAR"
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[ -n "$2" ] && eval $2=''
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[ -n "$DNAT6_TARGET" ] || {
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# no reason to query if its down
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network_is_up lan || return
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network_is_up $1 || return
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local DEVICE
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network_get_device DEVICE lan
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network_get_device DEVICE $1
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local ct=0
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while
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DNAT6_TARGET=$(get_ipv6_linklocal $DEVICE)
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[ -n "$DNAT6_TARGET" ] && break
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[ "$ct" -ge "$LINKLOCAL_WAIT_SEC" ] && break
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echo waiting for the link local for another $(($LINKLOCAL_WAIT_SEC - $ct)) seconds ...
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echo $DEVICE: waiting for the link local for another $(($LINKLOCAL_WAIT_SEC - $ct)) seconds ...
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ct=$(($ct+1))
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sleep 1
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do :; done
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[ -n "$DNAT6_TARGET" ] || {
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echo no link local. getting global
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echo $DEVICE: no link local. getting global
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DNAT6_TARGET=$(get_ipv6_global $DEVICE)
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[ -n "$DNAT6_TARGET" ] || {
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echo could not get any address
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echo $DEVICE: could not get any address
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DNAT6_TARGET=-
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}
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}
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eval $DVAR="$DNAT6_TARGET"
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}
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[ -n "$2" ] && eval $2="$DNAT6_TARGET"
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}
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@@ -229,16 +238,19 @@ fw_tpws4()
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network_get_device DEVICE $ext_iface
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ipt OUTPUT -t nat -o $DEVICE $IPT_OWNER -p tcp $1 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$2
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done
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ipt prerouting_lan_rule -t nat -p tcp $1 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$2
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network_get_device DEVICE lan
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[ -n "$DEVICE" ] && {
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# allow localnet route only to special tpws IP
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iptables -N input_lan_rule_zapret 2>/dev/null
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ipt input_lan_rule_zapret -d 127.0.0.0/8 -j DROP
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ipt input_lan_rule_zapret -d $TPWS_LOCALHOST4 -j RETURN
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ipt input_lan_rule -j input_lan_rule_zapret
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sysctl -qw net.ipv4.conf.$DEVICE.route_localnet=1
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}
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# allow localnet route only to special tpws IP
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iptables -N input_rule_zapret 2>/dev/null
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ipt input_rule_zapret -d 127.0.0.0/8 -j DROP
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ipt input_rule_zapret -d $TPWS_LOCALHOST4 -j RETURN
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for lan in $OPENWRT_LAN; do
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network_get_device DEVICE $lan
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[ -n "$DEVICE" ] || continue
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ipt prerouting_rule -t nat -i $DEVICE -p tcp $1 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$2
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ipt input_rule -i $DEVICE -j input_rule_zapret
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sysctl -qw net.ipv4.conf.$DEVICE.route_localnet=1
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done
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}
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}
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fw_tpws6()
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@@ -246,7 +258,7 @@ fw_tpws6()
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# $1 - filter ipv6
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# $2 - tpws port
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local DEVICE wan_iface
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local DEVICE wan_iface DNAT6
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[ "$DISABLE_IPV6" = "1" ] || {
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network_find_wan6_all wan_iface
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@@ -254,9 +266,12 @@ fw_tpws6()
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network_get_device DEVICE $ext_iface
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ipt6 OUTPUT -t nat -o $DEVICE $IPT_OWNER -p tcp $1 $IPSET_EXCLUDE6 dst -j DNAT --to [::1]:$2
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done
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network_get_device DEVICE lan
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dnat6_target
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[ "$DNAT6_TARGET" != "-" ] && ipt6 PREROUTING -t nat -i $DEVICE -p tcp $1 $IPSET_EXCLUDE6 dst -j DNAT --to [$DNAT6_TARGET]:$2
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for lan in $OPENWRT_LAN; do
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network_get_device DEVICE $lan
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[ -n "$DEVICE" ] || continue
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dnat6_target $lan DNAT6
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[ "$DNAT6" != '-' ] && ipt6 PREROUTING -t nat -i $DEVICE -p tcp $1 $IPSET_EXCLUDE6 dst -j DNAT --to [$DNAT6]:$2
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done
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}
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}
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fw_tpws()
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@@ -59,11 +59,23 @@ run_tpws()
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[ "$DISABLE_IPV4" = "1" ] || OPT="$OPT $TPWS_OPT_BASE4"
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[ "$DISABLE_IPV6" = "1" ] || {
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OPT="$OPT $TPWS_OPT_BASE6"
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network_get_device DEVICE lan
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[ -n "$DEVICE" ] && OPT="$OPT --bind-iface6=$DEVICE $TPWS_OPT_BASE6_PRE"
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for lan in $OPENWRT_LAN; do
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network_get_device DEVICE $lan
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[ -n "$DEVICE" ] && OPT="$OPT --bind-iface6=$DEVICE $TPWS_OPT_BASE6_PRE"
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done
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}
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run_daemon $1 "$TPWS" "$OPT $2"
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}
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run_tpws_socks()
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{
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[ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && return 0
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local opt="$TPWS_OPT_BASE --socks"
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tpws_apply_socks_binds opt
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run_daemon $1 "$TPWS" "$opt $2"
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}
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stop_tpws()
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{
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stop_daemon $1 "$TPWS"
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@@ -80,16 +92,15 @@ tpws_apply_socks_binds()
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{
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local o
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network_get_device DEVICE lan
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[ "$DISABLE_IPV4" = "1" ] || {
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o="--bind-addr=127.0.0.1"
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[ -n "$DEVICE" ] && o="$o --bind-iface4=$DEVICE $TPWS_WAIT"
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}
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[ "$DISABLE_IPV6" = "1" ] || {
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o="$o --bind-addr=::1"
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[ -n "$DEVICE" ] && o="$o --bind-iface6=$DEVICE --bind-linklocal=unwanted $TPWS_WAIT_SOCKS6"
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}
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[ "$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 $OPENWRT_LAN; do
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network_get_device DEVICE $lan
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[ -n "$DEVICE" ] || continue
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[ "$DISABLE_IPV4" = "1" ] || o="$o --bind-iface4=$DEVICE $TPWS_WAIT"
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[ "$DISABLE_IPV6" = "1" ] || o="$o --bind-iface6=$DEVICE --bind-linklocal=unwanted $TPWS_WAIT_SOCKS6"
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done
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eval $1="\"\$$1 $o\""
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}
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@@ -104,10 +115,9 @@ start_service() {
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run_tpws 1 "$opt"
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;;
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tpws-socks)
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opt="--port=$TPPORT $TPWS_OPT_BASE --socks $TPWS_OPT"
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tpws_apply_socks_binds opt
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opt="--port=$TPPORT $TPWS_OPT"
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filter_apply_hostlist_target opt
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run_daemon 1 "$TPWS" "$opt"
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run_tpws_socks 1 "$opt"
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;;
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nfqws)
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opt="--qnum=$QNUM $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTP"
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