ruby用socket扫描端口

2024-03-30 10:02•数据库•阅读 2783

require 'socket'
include Socket::Constants
def scan_port
if $*[0] == nil or $*[1] == nil or $*[2] == nil
abort "用法示例：ruby #$0 ip地址开始端口　结束端口 EX:如ruby #$0 localhost 1 1024"
end
time = Time.now
scan $*[0], $*[1], $*[2]
puts "\n共耗时：#{Time.now - time}秒"
end
private
def scan(address, start_port, end_port)
threads = []
for port in start_port..end_port
threads << Thread.new(port) do |theport|
begin
socket = Socket.new(AF_INET, SOCK_STREAM, 0) #生成新的套接字
sockaddr = Socket.pack_sockaddr_in(theport, address)
socket.connect(sockaddr)
puts "Port:#{theport} is Opend!\n"
socket.close
rescue
end
end
end
threads.each {|thr| thr.join}
end

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