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#--
# =============================================================================
# Copyright (c) 2004,2005 Jamis Buck (jamis@37signals.com)
# All rights reserved.
#
# This source file is distributed as part of the Net::SSH Secure Shell Client
# library for Ruby. This file (and the library as a whole) may be used only as
# allowed by either the BSD license, or the Ruby license (or, by association
# with the Ruby license, the GPL). See the "doc" subdirectory of the Net::SSH
# distribution for the texts of these licenses.
# -----------------------------------------------------------------------------
# net-ssh website : http://net-ssh.rubyforge.org
# project website: http://rubyforge.org/projects/net-ssh
# =============================================================================
#++
$:.unshift "#{File.dirname(__FILE__)}/../../../lib"
require 'net/ssh/userauth/methods/publickey'
require 'net/ssh/util/buffer'
require 'test/unit'
require 'ostruct'
class TC_Methods_PublicKey < Test::Unit::TestCase
class Buffers
def writer
Net::SSH::Util::WriterBuffer.new
end
end
class Key < OpenStruct
def initialize( e, n )
super( :ssh_type => "ssh-rsa",
:e => OpenStruct.new( :to_ssh => [ e ].pack("N") ),
:n => OpenStruct.new( :to_ssh => [ n ].pack("N") ) )
end
end
class Messenger
attr_reader :data
attr_reader :messages
def initialize
@data = []
@messages = []
end
def send_message( msg )
@messages << msg.to_s
end
def wait_for_message
@data.shift
end
end
class KeyManager
attr_reader :identities
attr_reader :state
attr_reader :sigdata
def initialize( *identities )
@identities = identities.flatten
@state = :open
end
def sign( identity, data )
@sigdata = [ identity, data.to_s ]
"<signature>"
end
def finish
@state = :finished
end
end
def setup
buffers = Buffers.new
@messenger = Messenger.new
@method = Net::SSH::UserAuth::Methods::PublicKey.new( buffers )
@method.messenger = @messenger
@method.session_id = "test"
end
def test_authenticate_no_key_manager
assert !@method.authenticate( "test", "test_user" )
assert @messenger.messages.empty?
end
def test_authenticate_no_identities
manager = KeyManager.new
assert !@method.authenticate( "test", "test_user", :key_manager => manager )
assert_equal :finished, manager.state
end
def test_authenticate_no_acceptible_identities
manager = KeyManager.new( Key.new( 0x01010101, 0x02020202 ),
Key.new( 0x03030303, 0x04040404 ) )
@messenger.data.concat [ OpenStruct.new( :message_type => 51 ),
OpenStruct.new( :message_type => 51 ) ]
assert !@method.authenticate( "test", "test_user", :key_manager => manager )
assert_equal :finished, manager.state
assert_equal 2, @messenger.messages.length
packet1 = "#{50.chr}\0\0\0\11test_user\0\0\0\4test\0\0\0\11publickey\0\0\0\0\7ssh-rsa" +
"\0\0\0\23\0\0\0\7ssh-rsa\1\1\1\1\2\2\2\2"
assert_equal packet1, @messenger.messages[0]
packet2 = "#{50.chr}\0\0\0\11test_user\0\0\0\4test\0\0\0\11publickey\0\0\0\0\7ssh-rsa" +
"\0\0\0\23\0\0\0\7ssh-rsa\3\3\3\3\4\4\4\4"
assert_equal packet2, @messenger.messages[1]
end
def test_authenticate_unexpected_reply
manager = KeyManager.new( Key.new( 0x01010101, 0x02020202 ) )
@messenger.data.concat [ OpenStruct.new( :message_type => 0 ) ]
assert_raise( Net::SSH::Exception ) do
@method.authenticate( "test", "test_user", :key_manager => manager )
end
assert_equal :finished, manager.state
end
def test_authenticate_acceptible_identities_fail
manager = KeyManager.new( Key.new( 0x01010101, 0x02020202 ) )
@messenger.data.concat [ OpenStruct.new( :message_type => 60 ),
OpenStruct.new( :message_type => 51 ) ]
assert !@method.authenticate( "test", "test_user", :key_manager => manager )
assert_equal :finished, manager.state
assert_equal 2, @messenger.messages.length
packet1 = "#{50.chr}\0\0\0\11test_user\0\0\0\4test\0\0\0\11publickey\0\0\0\0\7ssh-rsa" +
"\0\0\0\23\0\0\0\7ssh-rsa\1\1\1\1\2\2\2\2"
assert_equal packet1, @messenger.messages[0]
packet2 = "#{50.chr}\0\0\0\11test_user\0\0\0\4test\0\0\0\11publickey\1\0\0\0\7ssh-rsa" +
"\0\0\0\23\0\0\0\7ssh-rsa\1\1\1\1\2\2\2\2" +
"\0\0\0\13<signature>"
assert_equal packet2, @messenger.messages[1]
sigdata = manager.sigdata
signature = "\0\0\0\4test" +
"#{50.chr}\0\0\0\11test_user\0\0\0\4test\0\0\0\11publickey\1\0\0\0\7ssh-rsa" +
"\0\0\0\23\0\0\0\7ssh-rsa\1\1\1\1\2\2\2\2"
assert_equal signature, sigdata[1]
end
def test_authenticate_acceptible_identities_error
manager = KeyManager.new( Key.new( 0x01010101, 0x02020202 ) )
@messenger.data.concat [ OpenStruct.new( :message_type => 60 ),
OpenStruct.new( :message_type => 0 ) ]
assert_raise( Net::SSH::Exception ) do
@method.authenticate( "test", "test_user", :key_manager => manager )
end
assert_equal 2, @messenger.messages.length
end
def test_authenticate_acceptible_identities_success
manager = KeyManager.new( Key.new( 0x01010101, 0x02020202 ) )
@messenger.data.concat [ OpenStruct.new( :message_type => 60 ),
OpenStruct.new( :message_type => 52 ) ]
assert @method.authenticate( "test", "test_user", :key_manager => manager )
assert_equal :finished, manager.state
assert_equal 2, @messenger.messages.length
end
end
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