Сканирование портов - проблема с открытием и закрытием сокета

Ищи ошибку, закрыть конечно можно.

епрст
shutdown он разрывает соединение а не закрывает сокет
закрыть сокет close
shutdown вобще в линухе не надо
система разрывает соединение после close
а у тебя вобще разрывать нечего если конект не прошел
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в nmap там с RAW сокетами работа идет и все намного хитрее
его в твоем случае безполезно смотреть.....

import socket as sk import sys import threading

MAX_THREADS = 50

def usage(): print "\npyScan 0.1" print "usage: pyScan <host> [start port] [end port]" class Scanner(threading.Thread): def __init__(self, host, port): threading.Thread.__init__(self) # host and port self.host = host self.port = port # build up the socket obj self.sd = sk.socket(sk.AF_INET, sk.SOCK_STREAM)

def run(self): try: # connect to the given host:port self.sd.connect((self.host, self.port)) print "%s:%d OPEN" % (self.host, self.port) self.sd.close() except: pass

class pyScan: def __init__(self, args=[]): # arguments vector self.args = args # start port and end port self.start, self.stop = 1, 1024 # host name self.host = ""

# check the arguments if len(self.args) == 4: self.host = self.args[1] try: self.start = int(self.args[2]) self.stop = int(self.args[3]) except ValueError: usage() return if self.start > self.stop: usage() return elif len(self.args) == 2: self.host = self.args[1] else: usage() return

try: sk.gethostbyname(self.host) except: print "hostname '%s' unknown" % self.host self.scan(self.host, self.start, self.stop)

def scan(self, host, start, stop): self.port = start while self.port <= stop: while threading.activeCount() < MAX_THREADS: Scanner(host, self.port).start() self.port += 1 if __name__ == "__main__": pyScan(sys.argv)

import socket as sk
import sys
import threading

MAX_THREADS = 50

def usage():
    print "\npyScan 0.1"
    print "usage: pyScan <host> [start port] [end port]"
    
class Scanner(threading.Thread):
    def __init__(self, host, port):
        threading.Thread.__init__(self)
        # host and port
        self.host = host
        self.port = port
        # build up the socket obj
        self.sd = sk.socket(sk.AF_INET, sk.SOCK_STREAM)

    def run(self):
        try:
            # connect to the given host:port
            self.sd.connect((self.host, self.port))
            print "%s:%d OPEN" % (self.host, self.port)
            self.sd.close()
        except: pass

class pyScan:
    def __init__(self, args=[]):
        # arguments vector
        self.args = args
        # start port and end port
        self.start, self.stop = 1, 1024
        # host name
        self.host = ""

        # check the arguments
        if len(self.args) == 4:
            self.host = self.args[1]
            try:
                self.start = int(self.args[2])
                self.stop = int(self.args[3])
            except ValueError:
                usage()
                return
            if self.start > self.stop:
                usage()
                return
        elif len(self.args) == 2:
            self.host = self.args[1]
        else:
            usage()
            return

        try:
            sk.gethostbyname(self.host)
        except:
            print "hostname '%s' unknown" % self.host
        self.scan(self.host, self.start, self.stop)

    def scan(self, host, start, stop):
        self.port = start
        while self.port <= stop:
            while threading.activeCount() < MAX_THREADS:
                Scanner(host, self.port).start()
                self.port += 1
        
if __name__ == "__main__":
    pyScan(sys.argv)