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# File 'lib/yptools/portscan/yp_portscan.rb', line 2
def self.portscan(port, range)
script = %Q(
#!/bin/bash
if [ -n "#{range}" ]; then
all_port="#{range}"
else
all_port="1-65535"
fi
port_range=(${all_port//-/ })
timeout=0.02
ip_address=#{port}
port_range+=(#{range})
echo "正在扫描 ${ip_address} 的端口 ${port_range[0]} 到 ${port_range[1]}..."
echo ${port_range[1]}
open_ports=()
closed_ports=()
for ((port = ${port_range[0]}; port <= ${port_range[1]}; port++)); do
(echo >/dev/tcp/${ip_address}/${port}) >/dev/null 2>&1 &
pid=$!
(
sleep ${timeout}
kill ${pid} >/dev/null 2>&1
) &
timer=$!
if wait ${pid} 2>/dev/null; then
echo "\\033[32m${port} 是开放的\\033[0m"
open_ports+=($port)
else
echo "\\033[31m${port} 是关闭的\\033[0m"
closed_ports+=($port)
fi
kill ${timer} >/dev/null 2>&1
done
allCount=$((${#open_ports[@]} + ${#closed_ports[@]}))
echo ${allCount} "个端口扫描完成。"
echo "共有 ${#open_ports[@]} 个端口是开放的，${#closed_ports[@]} 个端口是关闭的。"
echo "开放的端口: " "\\033[32m${open_ports[@]}\\033[0m"
)
system(script)
end
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