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Add timeout on block lan fw

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Ycarus (Yannick Chabanois) 2021-08-30 21:46:52 +02:00
parent 8ec66fc304
commit b0e3417205
1 changed files with 15 additions and 13 deletions
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28
openmptcprouter/files/bin/blocklanfw
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@ -1,6 +1,6 @@
#!/bin/sh
ss_rules_fw_drop() {
fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/reject/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
@ -8,18 +8,18 @@ ss_rules_fw_drop() {
fw=$((fw+1))
fi
done
fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/DROP/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
eval "iptables -t nat -A zone_lan_prerouting ${fwrule} 2>&1 >/dev/null"
eval "iptables -w -t nat -A zone_lan_prerouting ${fwrule} 2>&1 >/dev/null"
fw=$((fw+1))
fi
done
}
ss_rules6_fw_drop() {
fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/reject/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
@ -27,18 +27,18 @@ ss_rules6_fw_drop() {
fw=$((fw+1))
fi
done
fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/DROP/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
eval "ip6tables -t nat -A zone_lan_prerouting ${fwrule} 2>&1 >/dev/null"
eval "ip6tables -w -t nat -A zone_lan_prerouting ${fwrule} 2>&1 >/dev/null"
fw=$((fw+1))
fi
done
}
v2r_rules_fw_drop() {
fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/reject/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
@ -46,33 +46,35 @@ v2r_rules_fw_drop() {
fw=$((fw+1))
fi
done
fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -4 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/DROP/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
eval "iptables -t nat -I zone_lan_prerouting 1 ${fwrule} 2>&1 >/dev/null"
eval "iptables -w -t nat -I zone_lan_prerouting 1 ${fwrule} 2>&1 >/dev/null"
fw=$((fw+1))
fi
done
}
v2ray_rules6_fw_drop() {
fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j reject/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/reject/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
eval "ip6tables -w -t nat -I zone_lan_prerouting 1 ${fwrule} 2>&1 >/dev/null"
fi
done
fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
timeout 1 fw3 -6 print 2>/dev/null | awk '/iptables/&&/zone_lan_forward/&&/tcp/&&/-t filter/&&/-j DROP/ {for(i=6; i<=NF; i++) { printf "%s ",$i } print "\n" }' |
while IFS=$"\n" read -r c; do
fwrule=$(echo "$c" | sed 's/DROP/REDIRECT --to-ports 65535/')
if [ -n "$fwrule" ] && [ -z "$(iptables-save | grep zone_lan_prerouting | grep '${fwrule}')" ]; then
eval "ip6tables -t nat -I zone_lan_prerouting 1 ${fwrule} 2>&1 >/dev/null"
eval "ip6tables -w -t nat -I zone_lan_prerouting 1 ${fwrule} 2>&1 >/dev/null"
fi
done
}
[ -n "$(pgrep blocklanfw)" ] && exit 0
[ -z "$(iptables-save | grep zone_lan)" ] && exit 0
fw=0
if [ "$(uci -q get openmptcprouter.settings.proxy)" = "shadowsocks" ]; then
ss_rules6_fw_drop
@ -81,7 +83,7 @@ elif [ "$(uci -q get openmptcprouter.settings.proxy)" = "v2ray" ]; then
v2r_rules_fw_drop
v2ray_rules6_fw_drop
fi
rule=$(fw3 -4 print | grep 'A PREROUTING' | grep zone_lan_prerouting | sed 's/-A PREROUTING/-D PREROUTING/')
rule=$(timeout 1 fw3 -4 print | grep 'A PREROUTING' | grep zone_lan_prerouting | sed 's/-A PREROUTING/-D PREROUTING/')
eval "$rule 2>&1 >/dev/null"
newrule=$(echo "$rule" | sed 's/-D PREROUTING/-I PREROUTING 1/')
eval "$newrule 2>&1 >/dev/null"