#!/usr/bin/env python3
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# Test whether a connection is disconnected if it provides a username but the
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# username flag is 0.
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from mosq_test_helper import *
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rc = 1
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keepalive = 10
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connect_packet = mosq_test.gen_connect("connect-uname-test", keepalive=keepalive, username="user")
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b = list(struct.unpack("B"*len(connect_packet), connect_packet))
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b[9] = 2 # Remove username flag
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connect_packet = struct.pack("B"*len(b), *b)
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connack_packet = mosq_test.gen_connack(rc=5)
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port = mosq_test.get_port()
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
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try:
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sock = mosq_test.do_client_connect(connect_packet, b"", port=port)
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sock.close()
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rc = 0
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finally:
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broker.terminate()
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broker.wait()
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(stdo, stde) = broker.communicate()
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if rc:
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print(stde.decode('utf-8'))
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exit(rc)
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