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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
require 'test_tools'
require 'minitest/unit'
require 'socket'
# Container that listens on a random port
class TestContainer < Qpid::Proton::Container
def initialize(handler, listener_opts, id)
super handler, id
@listener = listen_io(TCPServer.open(0), ListenOnceHandler.new(listener_opts))
end
attr_reader :listener
end
class ContainerSASLTest < MiniTest::Test
include Qpid::Proton
# Handler for test client/server that sets up server and client SASL options
class SASLHandler < TestHandler
def initialize(url="amqp://", opts=nil)
super()
@url, @opts = url, opts
end
def on_container_start(container)
@client = container.connect("#{@url}:#{container.listener.port}", @opts)
end
attr_reader :auth_user
def on_connection_open(connection)
super
if connection == @client
connection.close
else
@auth_user = connection.user
end
end
end
# Generate SASL server configuration files and database, initialize proton SASL
class SASLConfig
include Qpid::Proton
attr_reader :conf_dir, :conf_file, :conf_name, :database, :error
def initialize()
if SASL.extended? # Configure cyrus SASL
@conf_dir = File.expand_path('sasl_conf')
@conf_name = "proton-server"
@database = File.join(@conf_dir, "proton.sasldb")
@conf_file = File.join(conf_dir,"#{@conf_name}.conf")
Dir::mkdir(@conf_dir) unless File.directory?(@conf_dir)
# Same user name in different realms
make_user("user", "password", "proton") # proton realm
make_user("user", "default_password") # Default realm
File.open(@conf_file, 'w') do |f|
f.write("
sasldb_path: #{database}
mech_list: EXTERNAL DIGEST-MD5 SCRAM-SHA-1 CRAM-MD5 PLAIN ANONYMOUS
")
end
# Tell proton library to use the new configuration
SASL.config_path = conf_dir
SASL.config_name = conf_name
end
rescue => e
@error = e
end
private
SASLPASSWD = (ENV['SASLPASSWD'] or 'saslpasswd2')
def make_user(user, password, realm=nil)
realm_opt = (realm ? "-u #{realm}" : "")
cmd = "echo '#{password}' | #{SASLPASSWD} -c -p -f #{database} #{realm_opt} #{user}"
system(cmd) or raise RuntimeError.new("saslpasswd2 failed: #{cmd}")
end
INSTANCE = SASLConfig.new
end
def begin_extended_test
skip("Extended SASL not enabled") unless SASL.extended?
skip("Extended SASL setup error: #{SASLConfig::INSTANCE.error}") if SASLConfig::INSTANCE.error
end
def test_sasl_anonymous()
s = SASLHandler.new("amqp://", {:sasl_allowed_mechs => "ANONYMOUS"})
TestContainer.new(s, {:sasl_allowed_mechs => "ANONYMOUS"}, __method__).run
assert_equal "anonymous", s.connections[0].user
end
def test_sasl_plain_url()
begin_extended_test
# Use default realm with URL, should authenticate with "default_password"
opts = {:sasl_allowed_mechs => "PLAIN", :sasl_allow_insecure_mechs => true}
s = SASLHandler.new("amqp://user:default_password@", opts)
TestContainer.new(s, opts, __method__).run
assert_equal(2, s.connections.size)
assert_equal("user", s.auth_user)
end
def test_sasl_plain_options()
begin_extended_test
# Use default realm with connection options, should authenticate with "default_password"
opts = {:sasl_allowed_mechs => "PLAIN",:sasl_allow_insecure_mechs => true,
:user => 'user', :password => 'default_password' }
s = SASLHandler.new("amqp://", opts)
TestContainer.new(s, {:sasl_allowed_mechs => "PLAIN",:sasl_allow_insecure_mechs => true}, __method__).run
assert_equal(2, s.connections.size)
assert_equal("user", s.auth_user)
end
# Ensure we don't allow PLAIN if allow_insecure_mechs = true is not explicitly set
def test_disallow_insecure()
# Don't set allow_insecure_mechs, but try to use PLAIN
s = SASLHandler.new("amqp://user:password@", {:sasl_allowed_mechs => "PLAIN", :sasl_allow_insecure_mechs => true})
e = assert_raises(TestError) { TestContainer.new(s, {:sasl_allowed_mechs => "PLAIN"}, __method__).run }
assert_match(/amqp:unauthorized-access.*Authentication failed/, e.to_s)
end
end
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