#!/usr/bin/env python
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# Check whether an extended auth plugin can change the username of a client.
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from mosq_test_helper import *
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def write_config(filename, acl_file, port, per_listener):
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with open(filename, 'w') as f:
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f.write("per_listener_settings %s\n" % (per_listener))
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f.write("port %d\n" % (port))
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f.write("acl_file %s\n" % (acl_file))
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f.write("auth_plugin c/auth_plugin_extended_single.so\n")
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def write_acl(filename):
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with open(filename, 'w') as f:
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f.write('user new_username\n')
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f.write('topic readwrite topic/one\n')
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port = mosq_test.get_port()
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conf_file = os.path.basename(__file__).replace('.py', '.conf')
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acl_file = os.path.basename(__file__).replace('.py', '.acl')
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def do_test(per_listener):
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write_config(conf_file, acl_file, port, per_listener)
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write_acl(acl_file)
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rc = 1
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# Connect without a username - this means no access
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connect1_packet = mosq_test.gen_connect("client-params-test1", keepalive=42, proto_ver=5)
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connack1_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
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mid = 1
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subscribe_packet = mosq_test.gen_subscribe(mid, "topic/one", 1, proto_ver=5)
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suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=5)
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mid = 2
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publish1_packet = mosq_test.gen_publish("topic/one", qos=1, mid=mid, payload="message", proto_ver=5)
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puback1_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NOT_AUTHORIZED)
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# Connect without a username, but have the plugin change it
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props = mqtt5_props.gen_string_prop(mqtt5_props.PROP_AUTHENTICATION_METHOD, "change")
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connect2_packet = mosq_test.gen_connect("client-params-test2", keepalive=42, proto_ver=5, properties=props)
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props = mqtt5_props.gen_string_prop(mqtt5_props.PROP_AUTHENTICATION_METHOD, "change")
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connack2_packet = mosq_test.gen_connack(rc=0, proto_ver=5, properties=props)
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mid = 2
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publish2s_packet = mosq_test.gen_publish("topic/one", qos=1, mid=mid, payload="message", proto_ver=5)
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puback2s_packet = mosq_test.gen_puback(mid, proto_ver=5)
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mid = 1
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publish2r_packet = mosq_test.gen_publish("topic/one", qos=1, mid=mid, payload="message", proto_ver=5)
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)
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try:
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sock = mosq_test.do_client_connect(connect1_packet, connack1_packet, timeout=20, port=port)
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback1")
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mosq_test.do_send_receive(sock, publish1_packet, puback1_packet, "puback1")
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mosq_test.do_ping(sock)
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sock.close()
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sock = mosq_test.do_client_connect(connect2_packet, connack2_packet, timeout=20, port=port)
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback2")
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mosq_test.do_send_receive(sock, publish2s_packet, puback2s_packet, "puback2")
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if mosq_test.expect_packet(sock, "publish2", publish2r_packet):
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mosq_test.do_ping(sock)
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rc = 0
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sock.close()
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finally:
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os.remove(conf_file)
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os.remove(acl_file)
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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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do_test("true")
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do_test("false")
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exit(0)
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