44 lines
984 B
Python
44 lines
984 B
Python
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import socket
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import select
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DEFAULT_TIMEOUT = 30
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BANNER_READ = 1024
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def check_port_tcp(ip, port, timeout=DEFAULT_TIMEOUT, get_banner=False):
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.settimeout(timeout)
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try:
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sock.connect((ip, port))
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except socket.error:
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return (False, None)
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banner = None
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try:
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if get_banner:
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read_ready, _, _ = select.select([sock], [], [], timeout)
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if len(read_ready) > 0:
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banner = sock.recv(BANNER_READ)
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except:
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pass
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sock.close()
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return (True, banner)
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def check_port_udp(ip, port, timeout=DEFAULT_TIMEOUT):
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.settimeout(timeout)
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data = None
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is_open = False
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try:
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sock.sendto("-", (ip, port))
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data, _ = sock.recvfrom(BANNER_READ)
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is_open = True
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except:
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pass
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sock.close()
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return (is_open, data)
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