mirror of
https://github.com/juewuy/ShellCrash.git
synced 2026-03-11 07:51:45 +00:00
refactor(set_fw_filter): replace recursion with while loop
This commit is contained in:
Sofia
@@ -4,106 +4,106 @@
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[ -n "$__IS_MODULE_FW_FILTER_LOADED" ] && return
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__IS_MODULE_FW_FILTER_LOADED=1
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set_fw_filter(){ #流量过滤
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[ -z "$common_ports" ] && common_ports=ON
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[ -z "$quic_rj" ] && quic_rj=OFF
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[ -z "$cn_ip_route" ] && cn_ip_route=OFF
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touch "$CRASHDIR"/configs/mac "$CRASHDIR"/configs/ip_filter
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[ -z "$(cat "$CRASHDIR"/configs/mac "$CRASHDIR"/configs/ip_filter 2>/dev/null)" ] && mac_return=OFF || mac_return=ON
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echo "-----------------------------------------------"
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echo -e " 1 过滤非常用端口： \033[36m$common_ports\033[0m ————用于过滤P2P流量"
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echo -e " 2 过滤局域网设备： \033[36m$mac_return\033[0m ————使用黑/白名单进行过滤"
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echo -e " 3 过滤QUIC协议: \033[36m$quic_rj\033[0m ————优化视频性能"
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echo -e " 4 过滤CN_IP(6)列表: \033[36m$cn_ip_route\033[0m ————优化性能，不兼容Fake-ip"
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echo -e " 5 自定义透明路由ipv4网段: 适合vlan等复杂网络环境"
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echo -e " 6 自定义保留地址ipv4网段: 需要以保留地址为访问目标的环境"
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echo "-----------------------------------------------"
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echo -e " 0 返回上级菜单 \033[0m"
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echo "-----------------------------------------------"
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read -p "请输入对应数字 > " num
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case "$num" in
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0)
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;;
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1)
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# 流量过滤
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set_fw_filter() {
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while true; do
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[ -z "$common_ports" ] && common_ports=ON
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[ -z "$quic_rj" ] && quic_rj=OFF
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[ -z "$cn_ip_route" ] && cn_ip_route=OFF
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touch "$CRASHDIR"/configs/mac "$CRASHDIR"/configs/ip_filter
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[ -z "$(cat "$CRASHDIR"/configs/mac "$CRASHDIR"/configs/ip_filter 2>/dev/null)" ] && mac_return=OFF || mac_return=ON
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echo "-----------------------------------------------"
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if [ -n "$(pidof CrashCore)" ] && [ "$firewall_mod" = 'iptables' ]; then
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read -p "切换时将停止服务，是否继续？(1/0) > " res
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[ "$res" = 1 ] && "$CRASHDIR"/start.sh stop && set_common_ports
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else
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set_common_ports
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fi
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set_fw_filter
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;;
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2)
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checkcfg_mac=$(cat "$CRASHDIR"/configs/mac)
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fw_filter_lan
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if [ -n "$PID" ]; then
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checkcfg_mac_new=$(cat "$CRASHDIR"/configs/mac)
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[ "$checkcfg_mac" != "$checkcfg_mac_new" ] && checkrestart
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fi
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set_fw_filter
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;;
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3)
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echo -e " 1 过滤非常用端口： \033[36m$common_ports\033[0m ————用于过滤P2P流量"
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echo -e " 2 过滤局域网设备： \033[36m$mac_return\033[0m ————使用黑/白名单进行过滤"
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echo -e " 3 过滤QUIC协议: \033[36m$quic_rj\033[0m ————优化视频性能"
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echo -e " 4 过滤CN_IP(6)列表: \033[36m$cn_ip_route\033[0m ————优化性能，不兼容Fake-ip"
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echo -e " 5 自定义透明路由ipv4网段: 适合vlan等复杂网络环境"
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echo -e " 6 自定义保留地址ipv4网段: 需要以保留地址为访问目标的环境"
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echo "-----------------------------------------------"
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if [ -n "$(echo "$redir_mod" | grep -oE '混合|Tproxy|Tun')" ]; then
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if [ "$quic_rj" = "OFF" ]; then
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echo -e "\033[33m已禁止QUIC流量通过ShellCrash内核！！\033[0m"
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quic_rj=ON
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echo -e " 0 返回上级菜单 \033[0m"
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echo "-----------------------------------------------"
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read -r -p "请输入对应数字 > " num
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case "$num" in
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"" | 0)
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break
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;;
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1)
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echo "-----------------------------------------------"
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if [ -n "$(pidof CrashCore)" ] && [ "$firewall_mod" = 'iptables' ]; then
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read -r -p "切换时将停止服务，是否继续？(1/0) > " res
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[ "$res" = 1 ] && "$CRASHDIR"/start.sh stop && set_common_ports
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else
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echo -e "\033[33m已取消禁止QUIC协议流量！！\033[0m"
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quic_rj=OFF
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set_common_ports
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fi
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setconfig quic_rj $quic_rj
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else
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echo -e "\033[33m当前模式默认不会代理UDP流量，无需设置！！\033[0m"
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fi
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sleep 1
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set_fw_filter
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;;
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4)
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if [ -n "$(ipset -v 2>/dev/null)" ] || [ "$firewall_mod" = 'nftables' ]; then
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if [ "$cn_ip_route" = "OFF" ]; then
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echo -e "\033[32m已开启CN_IP绕过内核功能！！\033[0m"
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echo -e "\033[31m注意！！！此功能会导致全局模式及一切CN相关规则失效！！！\033[0m"
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cn_ip_route=ON
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sleep 2
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;;
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2)
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checkcfg_mac=$(cat "$CRASHDIR"/configs/mac)
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fw_filter_lan
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if [ -n "$PID" ]; then
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checkcfg_mac_new=$(cat "$CRASHDIR"/configs/mac)
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[ "$checkcfg_mac" != "$checkcfg_mac_new" ] && checkrestart
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fi
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;;
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3)
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echo "-----------------------------------------------"
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if echo "$redir_mod" | grep -oqE '混合|Tproxy|Tun'; then
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if [ "$quic_rj" = "OFF" ]; then
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echo -e "\033[33m已禁止QUIC流量通过ShellCrash内核！！\033[0m"
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quic_rj=ON
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else
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echo -e "\033[33m已取消禁止QUIC协议流量！！\033[0m"
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quic_rj=OFF
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fi
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setconfig quic_rj $quic_rj
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else
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echo -e "\033[33m已禁用CN_IP绕过内核功能！！\033[0m"
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cn_ip_route=OFF
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echo -e "\033[33m当前模式默认不会代理UDP流量，无需设置！！\033[0m"
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fi
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setconfig cn_ip_route $cn_ip_route
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else
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echo -e "\033[31m当前设备缺少ipset模块或未使用nftables模式，无法启用绕过功能！！\033[0m"
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sleep 1
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fi
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set_fw_filter
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;;
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5)
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set_cust_host_ipv4
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set_fw_filter
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;;
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6)
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[ -z "$reserve_ipv4" ] && reserve_ipv4="0.0.0.0/8 10.0.0.0/8 127.0.0.0/8 100.64.0.0/10 169.254.0.0/16 172.16.0.0/12 192.168.0.0/16 224.0.0.0/4 240.0.0.0/4"
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echo -e "当前网段：\033[36m$reserve_ipv4\033[0m"
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echo -e "\033[33m地址必须是空格分隔，错误的设置可能导致网络回环或启动报错，请务必谨慎！\033[0m"
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read -p "请输入 > " text
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if [ -n "$(
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echo $text | grep -E "(((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])/(3[0-2]|[1-2]?[0-9]))( +|$)+"
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)" ]; then
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reserve_ipv4="$text"
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echo -e "已将保留地址网段设为：\033[32m$reserve_ipv4\033[0m"
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setconfig reserve_ipv4 "'$reserve_ipv4'"
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else
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echo -e "\033[31m输入有误，操作已取消！\033[0m"
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fi
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sleep 1
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set_fw_filter
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;;
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*)
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errornum
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;;
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esac
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;;
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4)
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if [ -n "$(ipset -v 2>/dev/null)" ] || [ "$firewall_mod" = 'nftables' ]; then
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if [ "$cn_ip_route" = "OFF" ]; then
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echo -e "\033[32m已开启CN_IP绕过内核功能！！\033[0m"
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echo -e "\033[31m注意！！！此功能会导致全局模式及一切CN相关规则失效！！！\033[0m"
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cn_ip_route=ON
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sleep 2
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else
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echo -e "\033[33m已禁用CN_IP绕过内核功能！！\033[0m"
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cn_ip_route=OFF
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fi
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setconfig cn_ip_route $cn_ip_route
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else
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echo -e "\033[31m当前设备缺少ipset模块或未使用nftables模式，无法启用绕过功能！！\033[0m"
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sleep 1
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fi
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;;
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5)
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set_cust_host_ipv4
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;;
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6)
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[ -z "$reserve_ipv4" ] && reserve_ipv4="0.0.0.0/8 10.0.0.0/8 127.0.0.0/8 100.64.0.0/10 169.254.0.0/16 172.16.0.0/12 192.168.0.0/16 224.0.0.0/4 240.0.0.0/4"
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echo -e "当前网段：\033[36m$reserve_ipv4\033[0m"
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echo -e "\033[33m地址必须是空格分隔，错误的设置可能导致网络回环或启动报错，请务必谨慎！\033[0m"
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read -p "请输入 > " text
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if
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echo "$text" | grep -Eq "(((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])/(3[0-2]|[1-2]?[0-9]))( +|$)+"
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then
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reserve_ipv4="$text"
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echo -e "已将保留地址网段设为：\033[32m$reserve_ipv4\033[0m"
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setconfig reserve_ipv4 "'$reserve_ipv4'"
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else
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echo -e "\033[31m输入有误，操作已取消！\033[0m"
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fi
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sleep 1
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;;
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*)
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errornum
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sleep 1
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;;
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esac
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done
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}
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set_common_ports() {
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[ -z "$multiport" ] && multiport='22,80,443,8080,8443'
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echo "-----------------------------------------------"
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