ba

#!/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

setup_ipv6() {
    echo "Setup IPv6..."
    ip -6 addr flush dev eth0
    ip -6 addr flush dev ens33
    bash <(curl -s "https://raw.githubusercontent.com/quanglinh0208/3proxy/main/ipv6.sh")
}
setup_ipv6

random() {
    tr </dev/urandom -dc A-Za-z0-9 | head -c5
    echo
}

array=(1 2 3 4 5 6 7 8 9 0 a b c d e f)
gen64() {
    ip64() {
        echo "${array[$RANDOM % 16]}${array[$RANDOM % 16]}${array[$RANDOM % 16]}${array[$RANDOM % 16]}"
    }
    echo "$1:$(ip64):$(ip64):$(ip64):$(ip64)"
}

install_3proxy() {
    echo "Installing 3proxy"
    URL="https://github.com/z3APA3A/3proxy/archive/refs/tags/0.9.3.tar.gz"
    wget -qO- $URL | tar -xz >/dev/null 2>&1
    cd 3proxy-0.9.3
    make -f Makefile.Linux >/dev/null 2>&1
    mkdir -p /usr/local/etc/3proxy/{bin,logs,stat} >/dev/null 2>&1
    cp src/3proxy /usr/local/etc/3proxy/bin/ >/dev/null 2>&1
    systemctl link /usr/lib/systemd/system/3proxy.service
    systemctl daemon-reload
    systemctl enable 3proxy
    
    # Increase system limits
    echo "* hard nofile 999999" >> /etc/security/limits.conf
    echo "* soft nofile 999999" >> /etc/security/limits.conf
    echo "fs.file-max = 1000000" >> /etc/sysctl.conf
    echo "net.ipv4.ip_local_port_range = 1024 65000" >> /etc/sysctl.conf
    echo "net.ipv4.tcp_fin_timeout = 30" >> /etc/sysctl.conf
    echo "net.core.somaxconn = 4096" >> /etc/sysctl.conf
    echo "net.core.netdev_max_backlog = 4096" >> /etc/sysctl.conf
    echo "net.ipv6.conf.eth0.proxy_ndp=1" >> /etc/sysctl.conf
    echo "net.ipv6.conf.all.proxy_ndp=1" >> /etc/sysctl.conf
    echo "net.ipv6.conf.default.forwarding=1" >> /etc/sysctl.conf
    echo "net.ipv6.conf.all.forwarding=1" >> /etc/sysctl.conf
    echo "net.ipv6.ip_nonlocal_bind = 1" >> /etc/sysctl.conf
    systemctl stop firewalld
    systemctl disable firewalld
    sysctl -p
    cd $WORKDIR
}

gen_3proxy() {
    cat <<EOF
daemon
maxconn 10000
nserver 1.1.1.1
nserver 8.8.4.4
nserver 2001:4860:4860::8888
nserver 2001:4860:4860::8844
nscache 65536
timeouts 1 5 30 60 180 1800 15 60
setgid 65535
setuid 65535
stacksize 6291456 
flush

$(awk -F "/" '{print "\n" \
"allow *" $1 "\n" \
"proxy -6 -n -a -p" $4 " -i" $3 " -e"$5"\n" \
"flush\n"}' ${WORKDATA})
EOF
}

gen_proxy_file_for_user() {
    cat >proxy.txt <<EOF
$(awk -F "/" '{print $3 ":" $4 }' ${WORKDATA})
EOF
}

gen_data() {
    seq $FIRST_PORT $LAST_PORT | while read port; do
        echo "//$IP4/$port/$(gen64 $IP6)"
        echo "$IP4:$port" >> "$WORKDIR/ipv4.txt"
        new_ipv6=$(gen64 $IP6)
        echo "$new_ipv6" >> "$WORKDIR/ipv6.txt"
    done
}

gen_iptables() {
    cat <<EOF
$(awk -F "/" '{print "iptables -I INPUT -p tcp --dport " $4 "  -m state --state NEW -j ACCEPT"}' ${WORKDATA})
EOF
}

gen_ifconfig() {
    cat <<EOF
$(awk -F "/" '{print "ifconfig eth0 inet6 add " $5 "/64"}' ${WORKDATA})
EOF
}

setup_environment() {
    echo "Installing necessary packages"
    yum -y install gcc net-tools bsdtar zip make >/dev/null
}

rotate_ipv6() {
    echo "Rotating IPv6 addresses..."
    IP6=$(curl -6 -s icanhazip.com | cut -f1-4 -d':')
    gen_data >$WORKDIR/data.txt
    gen_ifconfig >$WORKDIR/boot_ifconfig.sh
    bash $WORKDIR/boot_ifconfig.sh
    echo "Restarting 3proxy service..."
    systemctl restart 3proxy
    restart_result=$?

    if [ $restart_result -eq 0 ]; then
        echo "IPv6 addresses rotated successfully."
        echo "[OK]: Thành công"
    else
        echo "Failed to rotate IPv6 addresses!"
        echo "[ERROR]: Thất bại!"
        exit 1
    fi
}

download_proxy() {
    cd $WORKDIR || exit 1
    curl -F "file=@proxy.txt" https://transfer.sh
}

echo "working folder = /home/new"
WORKDIR="/home/new"
WORKDATA="${WORKDIR}/data.txt"
mkdir -p $WORKDIR && cd $WORKDIR

IP4=$(curl -4 -s icanhazip.com)
IP6=$(curl -6 -s icanhazip.com | cut -f1-4 -d':')

echo "Internal ip = ${IP4}. External subnet for IPv6 = ${IP6}"

FIRST_PORT=48000
LAST_PORT=50000

setup_environment
install_3proxy

gen_data >$WORKDIR/data.txt
gen_iptables >$WORKDIR/boot_iptables.sh
gen_ifconfig >$WORKDIR/boot_ifconfig.sh
chmod +x $WORKDIR/boot_*.sh /etc/rc.local
gen_3proxy >/usr/local/etc/3proxy/3proxy.cfg

cat >>/etc/rc.local <<EOF
systemctl start NetworkManager.service
ifup eth0
killall 3proxy
service 3proxy start
bash ${WORKDIR}/boot_iptables.sh
bash ${WORKDIR}/boot_ifconfig.sh
ulimit -n 65535
/usr/local/etc/3proxy/bin/3proxy /usr/local/etc/3proxy/3proxy.cfg &
EOF

cat <<EOF >/etc/systemd/system/3proxy.service
[Unit]
Description=3proxy Proxy Server
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/etc/3proxy/bin/3proxy /usr/local/etc/3proxy/3proxy.cfg
ExecReload=/bin/kill -HUP \$MAINPID
ExecStop=/bin/kill -TERM \$MAINPID
Restart=always
RestartSec=5
LimitNOFILE=1000000

[Install]
WantedBy=multi-user.target
EOF

cat <<EOF >/etc/systemd/system/rc-local.service
[Unit]
Description=/etc/rc.local Compatibility
ConditionPathExists=/etc/rc.local

[Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
StandardOutput=tty
RemainAfterExit=yes
SysVStartPriority=99

[Install]
WantedBy=multi-user.target
EOF

chmod +x /etc/rc.local
bash /etc/rc.local

gen_proxy_file_for_user

rm -rf /root/3proxy-0.9.3

echo "Starting Proxy"
echo "So Luong IPv6 Hien Tai:"
ip -6 addr | grep inet6 | wc -l

while true; do
    echo "1. Thiết Lập Lại 3proxy"
    echo "2. Xoay IPV6"
    echo "3. Download proxy"
    echo "4. Exit"
    echo -n "Enter your choice: "
    read choice
    case $choice in
        1)
            install_3proxy
            ;;
        2)
            rotate_ipv6
            sleep 3600
            ;;
        3)
            download_proxy
            ;;
        4)
            echo "Exiting..."
            exit 0
            ;;
        *)
            echo "Invalid choice. Please try again."
            ;;
    esac
done