xm/ShellCrash
1
0
Fork 0
mirror of https://github.com/juewuy/ShellCrash.git synced 2026-07-24 15:47:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1293 from kannakamuiuwu/dev

Browse Source 
fix: 修复iptables放行端口添加过多导致溢出的错误
This commit is contained in:
juewuy
2026-07-13 14:12:27 +08:00
committed by GitHub
parent 3c838f2dda f89ac976a7
commit baaad12501
2 changed files with 68 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
scripts/starts/fw_iptables.sh
View File

@@ -72,7 +72,22 @@ start_ipt_route() { #iptables-route通用工具
done
fi
#将所在链指定流量指向shellcrash表
"$1" $w -t "$2" -I "$3" -p "$5" $ports -j "$4"
if [ -n "$ports" ]; then
clean_ports=$(echo "$multiport" | sed 's/ //g')
echo "$clean_ports" | awk -F, '{
for(i=1; i<=NF; i+=9) {
group=""
for(j=i; j<i+9 && j<=NF; j++) {
group=(group == "" ? $j : group "," $j)
}
print group
}
}' | while read -r port_group; do
[ -n "$port_group" ] && "$1" $w -t "$2" -I "$3" -p "$5" -m multiport --dports "$port_group" -j "$4"
done
else
"$1" $w -t "$2" -I "$3" -p "$5" -j "$4"
fi
[ "$dns_mod" = "mix" -o "$dns_mod" = "fake-ip" ] && [ "$common_ports" = "ON" ] && [ "$1" = iptables ] && "$1" $w -t "$2" -I "$3" -p "$5" -d 28.0.0.0/8 -j "$4"
[ "$dns_mod" = "mix" -o "$dns_mod" = "fake-ip" ] && [ "$common_ports" = "ON" ] && [ "$1" = ip6tables ] && "$1" $w -t "$2" -I "$3" -p "$5" -d fc00::/16 -j "$4"
}

65
scripts/starts/fw_stop.sh
View File

@@ -20,24 +20,44 @@ ckcmd iptables && {
$iptable -t nat -D PREROUTING -p udp --dport 53 -j shellcrash_dns 2>/dev/null
$iptable -t nat -D OUTPUT -p udp --dport 53 -j shellcrash_dns_out 2>/dev/null
$iptable -t nat -D OUTPUT -p tcp --dport 53 -j shellcrash_dns_out 2>/dev/null
if [ -n "$ports" ]; then
clean_ports=$(echo "$multiport" | sed 's/ //g')
echo "$clean_ports" | awk -F, '{
for(i=1; i<=NF; i+=9) {
group=""; for(j=i; j<i+9 && j<=NF; j++) group=(group == "" ? $j : group "," $j)
print group
}
}' | while read -r port_group; do
if [ -n "$port_group" ]; then
$iptable -t nat -D PREROUTING -p tcp -m multiport --dports "$port_group" -j shellcrash 2>/dev/null
$iptable -t nat -D OUTPUT -p tcp -m multiport --dports "$port_group" -j shellcrash_out 2>/dev/null
$iptable -t nat -D PREROUTING -p tcp -m multiport --dports "$port_group" -j shellcrash_vm 2>/dev/null
$iptable -t mangle -D PREROUTING -p tcp -m multiport --dports "$port_group" -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D PREROUTING -p udp -m multiport --dports "$port_group" -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D OUTPUT -p tcp -m multiport --dports "$port_group" -j shellcrash_mark_out 2>/dev/null
$iptable -t mangle -D OUTPUT -p udp -m multiport --dports "$port_group" -j shellcrash_mark_out 2>/dev/null
fi
done
else
$iptable -t nat -D PREROUTING -p tcp -j shellcrash 2>/dev/null
$iptable -t nat -D OUTPUT -p tcp -j shellcrash_out 2>/dev/null
$iptable -t nat -D PREROUTING -p tcp -j shellcrash_vm 2>/dev/null
$iptable -t mangle -D PREROUTING -p tcp -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D PREROUTING -p udp -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D OUTPUT -p tcp -j shellcrash_mark_out 2>/dev/null
$iptable -t mangle -D OUTPUT -p udp -j shellcrash_mark_out 2>/dev/null
fi
#redir
$iptable -t nat -D PREROUTING -p tcp $ports -j shellcrash 2>/dev/null
$iptable -t nat -D PREROUTING -p tcp -d 28.0.0.0/8 -j shellcrash 2>/dev/null
$iptable -t nat -D OUTPUT -p tcp $ports -j shellcrash_out 2>/dev/null
$iptable -t nat -D OUTPUT -p tcp -d 28.0.0.0/8 -j shellcrash_out 2>/dev/null
#vm_dns
$iptable -t nat -D PREROUTING -p tcp --dport 53 -j shellcrash_vm_dns 2>/dev/null
$iptable -t nat -D PREROUTING -p udp --dport 53 -j shellcrash_vm_dns 2>/dev/null
#vm_redir
$iptable -t nat -D PREROUTING -p tcp $ports -j shellcrash_vm 2>/dev/null
$iptable -t nat -D PREROUTING -p tcp -d 28.0.0.0/8 -j shellcrash_vm 2>/dev/null
#TPROXY&tun
$iptable -t mangle -D PREROUTING -p tcp $ports -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D PREROUTING -p udp $ports -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D PREROUTING -p tcp -d 28.0.0.0/8 -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D PREROUTING -p udp -d 28.0.0.0/8 -j shellcrash_mark 2>/dev/null
$iptable -t mangle -D OUTPUT -p tcp $ports -j shellcrash_mark_out 2>/dev/null
$iptable -t mangle -D OUTPUT -p udp $ports -j shellcrash_mark_out 2>/dev/null
$iptable -t mangle -D OUTPUT -p tcp -d 28.0.0.0/8 -j shellcrash_mark_out 2>/dev/null
$iptable -t mangle -D OUTPUT -p udp -d 28.0.0.0/8 -j shellcrash_mark_out 2>/dev/null
$iptable -t mangle -D PREROUTING -m mark --mark $fwmark -p tcp -j TPROXY --on-port $tproxy_port 2>/dev/null
@@ -73,20 +93,39 @@ ckcmd ip6tables && {
#dns
$ip6table -t nat -D PREROUTING -p tcp --dport 53 -j shellcrashv6_dns 2>/dev/null
$ip6table -t nat -D PREROUTING -p udp --dport 53 -j shellcrashv6_dns 2>/dev/null
if [ -n "$ports" ]; then
clean_ports=$(echo "$multiport" | sed 's/ //g')
echo "$clean_ports" | awk -F, '{
for(i=1; i<=NF; i+=9) {
group=""; for(j=i; j<i+9 && j<=NF; j++) group=(group == "" ? $j : group "," $j)
print group
}
}' | while read -r port_group; do
if [ -n "$port_group" ]; then
$ip6table -t nat -D PREROUTING -p tcp -m multiport --dports "$port_group" -j shellcrashv6 2>/dev/null
$ip6table -t nat -D OUTPUT -p tcp -m multiport --dports "$port_group" -j shellcrashv6_out 2>/dev/null
$ip6table -t mangle -D PREROUTING -p tcp -m multiport --dports "$port_group" -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D PREROUTING -p udp -m multiport --dports "$port_group" -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D OUTPUT -p tcp -m multiport --dports "$port_group" -j shellcrashv6_mark_out 2>/dev/null
$ip6table -t mangle -D OUTPUT -p udp -m multiport --dports "$port_group" -j shellcrashv6_mark_out 2>/dev/null
fi
done
else
$ip6table -t nat -D PREROUTING -p tcp -j shellcrashv6 2>/dev/null
$ip6table -t nat -D OUTPUT -p tcp -j shellcrashv6_out 2>/dev/null
$ip6table -t mangle -D PREROUTING -p tcp -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D PREROUTING -p udp -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D OUTPUT -p tcp -j shellcrashv6_mark_out 2>/dev/null
$ip6table -t mangle -D OUTPUT -p udp -j shellcrashv6_mark_out 2>/dev/null
fi
#redir
$ip6table -t nat -D PREROUTING -p tcp $ports -j shellcrashv6 2>/dev/null
$ip6table -t nat -D PREROUTING -p tcp -d fc00::/16 -j shellcrashv6 2>/dev/null
$ip6table -t nat -D OUTPUT -p tcp $ports -j shellcrashv6_out 2>/dev/null
$ip6table -t nat -D OUTPUT -p tcp -d fc00::/16 -j shellcrashv6_out 2>/dev/null
$ip6table -D INPUT -p tcp --dport 53 -j REJECT 2>/dev/null
$ip6table -D INPUT -p udp --dport 53 -j REJECT 2>/dev/null
#mark
$ip6table -t mangle -D PREROUTING -p tcp $ports -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D PREROUTING -p udp $ports -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D PREROUTING -p tcp -d fc00::/16 -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D PREROUTING -p udp -d fc00::/16 -j shellcrashv6_mark 2>/dev/null
$ip6table -t mangle -D OUTPUT -p tcp $ports -j shellcrashv6_mark_out 2>/dev/null
$ip6table -t mangle -D OUTPUT -p udp $ports -j shellcrashv6_mark_out 2>/dev/null
$ip6table -t mangle -D OUTPUT -p tcp -d fc00::/16 -j shellcrashv6_mark_out 2>/dev/null
$ip6table -t mangle -D OUTPUT -p udp -d fc00::/16 -j shellcrashv6_mark_out 2>/dev/null
$ip6table -D INPUT -p udp --dport 443 $set_cn_ip -j REJECT 2>/dev/null