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8794dec6a5
* ext/socket/unixsocket.c (rsock_init_unixsock): check NUL bytes. https://hackerone.com/reports/302997 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
711 lines
18 KiB
Ruby
711 lines
18 KiB
Ruby
# frozen_string_literal: true
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begin
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require "socket"
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rescue LoadError
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end
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require "test/unit"
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require "tempfile"
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require "timeout"
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require "tmpdir"
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require "io/nonblock"
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class TestSocket_UNIXSocket < Test::Unit::TestCase
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def test_fd_passing
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r1, w = IO.pipe
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s1, s2 = UNIXSocket.pair
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begin
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s1.send_io(nil)
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rescue NotImplementedError
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assert_raise(NotImplementedError) { s2.recv_io }
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rescue TypeError
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s1.send_io(r1)
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r2 = s2.recv_io
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assert_equal(r1.stat.ino, r2.stat.ino)
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assert_not_equal(r1.fileno, r2.fileno)
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assert(r2.close_on_exec?)
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w.syswrite "a"
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assert_equal("a", r2.sysread(10))
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ensure
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s1.close
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s2.close
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w.close
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r1.close
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r2.close if r2 && !r2.closed?
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end
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end
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def test_fd_passing_class_mode
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UNIXSocket.pair do |s1, s2|
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s1.send_io(s1.fileno)
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r = s2.recv_io(nil)
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assert_kind_of Integer, r, 'recv_io with klass=nil returns integer FD'
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assert_not_equal s1.fileno, r
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r = IO.for_fd(r)
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assert_equal s1.stat.ino, r.stat.ino
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r.close
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s1.send_io(s1)
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# klass = UNIXSocket FIXME: [ruby-core:71860] [Bug #11778]
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klass = IO
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r = s2.recv_io(klass, 'r+')
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assert_instance_of klass, r, 'recv_io with proper klass'
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assert_not_equal s1.fileno, r.fileno
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r.close
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end
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end
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def test_fd_passing_n
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io_ary = []
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return if !defined?(Socket::SCM_RIGHTS)
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io_ary.concat IO.pipe
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io_ary.concat IO.pipe
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io_ary.concat IO.pipe
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send_io_ary = []
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io_ary.each {|io|
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send_io_ary << io
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UNIXSocket.pair {|s1, s2|
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begin
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ret = s1.sendmsg("\0", 0, nil, [Socket::SOL_SOCKET, Socket::SCM_RIGHTS,
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send_io_ary.map {|io2| io2.fileno }.pack("i!*")])
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rescue NotImplementedError
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return
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end
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assert_equal(1, ret)
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ret = s2.recvmsg(:scm_rights=>true)
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_, _, _, *ctls = ret
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recv_io_ary = []
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begin
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ctls.each {|ctl|
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next if ctl.level != Socket::SOL_SOCKET || ctl.type != Socket::SCM_RIGHTS
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recv_io_ary.concat ctl.unix_rights
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}
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assert_equal(send_io_ary.length, recv_io_ary.length)
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send_io_ary.length.times {|i|
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assert_not_equal(send_io_ary[i].fileno, recv_io_ary[i].fileno)
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assert(File.identical?(send_io_ary[i], recv_io_ary[i]))
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assert(recv_io_ary[i].close_on_exec?)
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}
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ensure
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recv_io_ary.each {|io2| io2.close if !io2.closed? }
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end
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}
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}
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ensure
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io_ary.each {|io| io.close if !io.closed? }
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end
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def test_fd_passing_n2
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io_ary = []
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return if !defined?(Socket::SCM_RIGHTS)
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return if !defined?(Socket::AncillaryData)
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io_ary.concat IO.pipe
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io_ary.concat IO.pipe
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io_ary.concat IO.pipe
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send_io_ary = []
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io_ary.each {|io|
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send_io_ary << io
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UNIXSocket.pair {|s1, s2|
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begin
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ancdata = Socket::AncillaryData.unix_rights(*send_io_ary)
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ret = s1.sendmsg("\0", 0, nil, ancdata)
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rescue NotImplementedError
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return
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end
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assert_equal(1, ret)
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ret = s2.recvmsg(:scm_rights=>true)
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_, _, _, *ctls = ret
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recv_io_ary = []
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begin
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ctls.each {|ctl|
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next if ctl.level != Socket::SOL_SOCKET || ctl.type != Socket::SCM_RIGHTS
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recv_io_ary.concat ctl.unix_rights
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}
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assert_equal(send_io_ary.length, recv_io_ary.length)
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send_io_ary.length.times {|i|
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assert_not_equal(send_io_ary[i].fileno, recv_io_ary[i].fileno)
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assert(File.identical?(send_io_ary[i], recv_io_ary[i]))
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assert(recv_io_ary[i].close_on_exec?)
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}
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ensure
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recv_io_ary.each {|io2| io2.close if !io2.closed? }
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end
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}
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}
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ensure
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io_ary.each {|io| io.close if !io.closed? }
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end
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def test_fd_passing_race_condition
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r1, w = IO.pipe
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s1, s2 = UNIXSocket.pair
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s1.nonblock = s2.nonblock = true
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lock = Thread::Mutex.new
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nr = 0
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x = 2
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y = 1000
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begin
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s1.send_io(nil)
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rescue NotImplementedError
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assert_raise(NotImplementedError) { s2.recv_io }
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rescue TypeError
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thrs = x.times.map do
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Thread.new do
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y.times do
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s2.recv_io.close
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lock.synchronize { nr += 1 }
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end
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true
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end
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end
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(x * y).times { s1.send_io r1 }
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assert_equal([true]*x, thrs.map { |t| t.value })
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assert_equal x * y, nr
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ensure
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s1.close
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s2.close
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w.close
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r1.close
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end
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end
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def test_sendmsg
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return if !defined?(Socket::SCM_RIGHTS)
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IO.pipe {|r1, w|
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UNIXSocket.pair {|s1, s2|
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begin
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ret = s1.sendmsg("\0", 0, nil, [Socket::SOL_SOCKET, Socket::SCM_RIGHTS, [r1.fileno].pack("i!")])
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rescue NotImplementedError
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return
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end
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assert_equal(1, ret)
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r2 = s2.recv_io
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begin
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assert(File.identical?(r1, r2))
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assert(r2.close_on_exec?)
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ensure
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r2.close
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end
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}
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}
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end
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def test_sendmsg_ancillarydata_int
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return if !defined?(Socket::SCM_RIGHTS)
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return if !defined?(Socket::AncillaryData)
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IO.pipe {|r1, w|
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UNIXSocket.pair {|s1, s2|
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begin
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ad = Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, r1.fileno)
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ret = s1.sendmsg("\0", 0, nil, ad)
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rescue NotImplementedError
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return
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end
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assert_equal(1, ret)
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r2 = s2.recv_io
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begin
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assert(File.identical?(r1, r2))
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ensure
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r2.close
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end
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}
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}
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end
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def test_sendmsg_ancillarydata_unix_rights
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return if !defined?(Socket::SCM_RIGHTS)
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return if !defined?(Socket::AncillaryData)
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IO.pipe {|r1, w|
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UNIXSocket.pair {|s1, s2|
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begin
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ad = Socket::AncillaryData.unix_rights(r1)
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ret = s1.sendmsg("\0", 0, nil, ad)
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rescue NotImplementedError
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return
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end
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assert_equal(1, ret)
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r2 = s2.recv_io
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begin
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assert(File.identical?(r1, r2))
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ensure
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r2.close
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end
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}
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}
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end
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def test_recvmsg
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return if !defined?(Socket::SCM_RIGHTS)
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return if !defined?(Socket::AncillaryData)
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IO.pipe {|r1, w|
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UNIXSocket.pair {|s1, s2|
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s1.send_io(r1)
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ret = s2.recvmsg(:scm_rights=>true)
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data, srcaddr, flags, *ctls = ret
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assert_equal("\0", data)
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if flags == nil
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# struct msghdr is 4.3BSD style (msg_accrights field).
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assert_instance_of(Array, ctls)
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assert_equal(0, ctls.length)
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else
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# struct msghdr is POSIX/4.4BSD style (msg_control field).
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assert_equal(0, flags & (Socket::MSG_TRUNC|Socket::MSG_CTRUNC))
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assert_instance_of(Addrinfo, srcaddr)
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assert_instance_of(Array, ctls)
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assert_equal(1, ctls.length)
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ctl = ctls[0]
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assert_instance_of(Socket::AncillaryData, ctl)
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assert_equal(Socket::SOL_SOCKET, ctl.level)
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assert_equal(Socket::SCM_RIGHTS, ctl.type)
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assert_instance_of(String, ctl.data)
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ios = ctl.unix_rights
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assert_equal(1, ios.length)
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r2 = ios[0]
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begin
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assert(File.identical?(r1, r2))
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assert(r2.close_on_exec?)
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ensure
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r2.close
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end
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end
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}
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}
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end
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def bound_unix_socket(klass)
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tmpfile = Tempfile.new("s")
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path = tmpfile.path
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tmpfile.close(true)
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io = klass.new(path)
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yield io, path
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ensure
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io.close
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File.unlink path if path && File.socket?(path)
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end
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def test_open_nul_byte
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tmpfile = Tempfile.new("s")
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path = tmpfile.path
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tmpfile.close(true)
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assert_raise(ArgumentError) {UNIXServer.open(path+"\0")}
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assert_raise(ArgumentError) {UNIXSocket.open(path+"\0")}
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ensure
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File.unlink path if path && File.socket?(path)
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end
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def test_addr
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bound_unix_socket(UNIXServer) {|serv, path|
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UNIXSocket.open(path) {|c|
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s = serv.accept
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begin
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assert_equal(["AF_UNIX", path], c.peeraddr)
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assert_equal(["AF_UNIX", ""], c.addr)
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assert_equal(["AF_UNIX", ""], s.peeraddr)
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assert_equal(["AF_UNIX", path], s.addr)
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assert_equal(path, s.path)
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assert_equal("", c.path)
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ensure
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s.close
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end
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}
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}
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end
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def test_cloexec
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bound_unix_socket(UNIXServer) {|serv, path|
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UNIXSocket.open(path) {|c|
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s = serv.accept
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begin
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assert(serv.close_on_exec?)
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assert(c.close_on_exec?)
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assert(s.close_on_exec?)
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ensure
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s.close
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end
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}
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}
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end
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def test_noname_path
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s1, s2 = UNIXSocket.pair
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assert_equal("", s1.path)
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assert_equal("", s2.path)
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ensure
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s1.close
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s2.close
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end
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def test_noname_addr
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s1, s2 = UNIXSocket.pair
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assert_equal(["AF_UNIX", ""], s1.addr)
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assert_equal(["AF_UNIX", ""], s2.addr)
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ensure
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s1.close
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s2.close
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end
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def test_noname_peeraddr
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s1, s2 = UNIXSocket.pair
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assert_equal(["AF_UNIX", ""], s1.peeraddr)
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assert_equal(["AF_UNIX", ""], s2.peeraddr)
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ensure
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s1.close
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s2.close
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end
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def test_noname_unpack_sockaddr_un
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s1, s2 = UNIXSocket.pair
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n = nil
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assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s1.getsockname) != ""
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assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s1.getsockname) != ""
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assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s2.getsockname) != ""
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assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s1.getpeername) != ""
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assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s2.getpeername) != ""
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ensure
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s1.close
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s2.close
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end
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def test_noname_recvfrom
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s1, s2 = UNIXSocket.pair
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s2.write("a")
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assert_equal(["a", ["AF_UNIX", ""]], s1.recvfrom(10))
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ensure
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s1.close
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s2.close
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end
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def test_noname_recv_nonblock
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s1, s2 = UNIXSocket.pair
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s2.write("a")
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IO.select [s1]
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assert_equal("a", s1.recv_nonblock(10))
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ensure
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s1.close
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s2.close
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end
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def test_too_long_path
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assert_raise(ArgumentError) { Socket.sockaddr_un("a" * 3000) }
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assert_raise(ArgumentError) { UNIXServer.new("a" * 3000) }
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end
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def test_abstract_namespace
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return if /linux/ !~ RUBY_PLATFORM
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addr = Socket.pack_sockaddr_un("\0foo")
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assert_match(/\0foo\z/, addr)
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assert_equal("\0foo", Socket.unpack_sockaddr_un(addr))
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end
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def test_dgram_pair
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s1, s2 = UNIXSocket.pair(Socket::SOCK_DGRAM)
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begin
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s1.recv_nonblock(10)
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fail
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rescue => e
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assert(IO::EAGAINWaitReadable === e)
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assert(IO::WaitReadable === e)
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end
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s2.send("", 0)
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s2.send("haha", 0)
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s2.send("", 0)
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s2.send("", 0)
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assert_equal("", s1.recv(10))
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assert_equal("haha", s1.recv(10))
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assert_equal("", s1.recv(10))
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assert_equal("", s1.recv(10))
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assert_raise(IO::EAGAINWaitReadable) { s1.recv_nonblock(10) }
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buf = "".dup
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s2.send("BBBBBB", 0)
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IO.select([s1])
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rv = s1.recv(100, 0, buf)
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assert_equal buf.object_id, rv.object_id
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assert_equal "BBBBBB", rv
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ensure
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s1.close if s1
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s2.close if s2
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end
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def test_dgram_pair_sendrecvmsg_errno_set
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s1, s2 = to_close = UNIXSocket.pair(Socket::SOCK_DGRAM)
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pipe = IO.pipe
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to_close.concat(pipe)
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set_errno = lambda do
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begin
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pipe[0].read_nonblock(1)
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fail
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rescue => e
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assert(IO::EAGAINWaitReadable === e)
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end
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end
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Timeout.timeout(10) do
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set_errno.call
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assert_equal(2, s1.sendmsg("HI"))
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set_errno.call
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assert_equal("HI", s2.recvmsg[0])
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end
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ensure
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to_close.each(&:close) if to_close
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end
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def test_epipe # [ruby-dev:34619]
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UNIXSocket.pair {|s1, s2|
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s1.shutdown(Socket::SHUT_WR)
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assert_raise(Errno::EPIPE) { s1.write "a" }
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assert_equal(nil, s2.read(1))
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s2.write "a"
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assert_equal("a", s1.read(1))
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}
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end
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def test_socket_pair_with_block
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pair = nil
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ret = Socket.pair(Socket::AF_UNIX, Socket::SOCK_STREAM, 0) {|s1, s2|
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pair = [s1, s2]
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:return_value
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}
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assert_equal(:return_value, ret)
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assert_kind_of(Socket, pair[0])
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assert_kind_of(Socket, pair[1])
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end
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def test_unix_socket_pair_with_block
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pair = nil
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UNIXSocket.pair {|s1, s2|
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pair = [s1, s2]
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}
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assert_kind_of(UNIXSocket, pair[0])
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assert_kind_of(UNIXSocket, pair[1])
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end
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def test_unix_socket_pair_close_on_exec
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UNIXSocket.pair {|s1, s2|
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assert(s1.close_on_exec?)
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assert(s2.close_on_exec?)
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}
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end
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def test_initialize
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Dir.mktmpdir {|d|
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Socket.open(Socket::AF_UNIX, Socket::SOCK_STREAM, 0) {|s|
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s.bind(Socket.pack_sockaddr_un("#{d}/s1"))
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addr = s.getsockname
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assert_nothing_raised { Socket.unpack_sockaddr_un(addr) }
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assert_raise(ArgumentError) { Socket.unpack_sockaddr_in(addr) }
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}
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Socket.open("AF_UNIX", "SOCK_STREAM", 0) {|s|
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s.bind(Socket.pack_sockaddr_un("#{d}/s2"))
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addr = s.getsockname
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assert_nothing_raised { Socket.unpack_sockaddr_un(addr) }
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|
assert_raise(ArgumentError) { Socket.unpack_sockaddr_in(addr) }
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_unix_server_socket
|
|
Dir.mktmpdir {|d|
|
|
path = "#{d}/sock"
|
|
s0 = nil
|
|
Socket.unix_server_socket(path) {|s|
|
|
assert_equal(path, s.local_address.unix_path)
|
|
assert(File.socket?(path))
|
|
s0 = s
|
|
}
|
|
assert(s0.closed?)
|
|
assert_raise(Errno::ENOENT) { File.stat path }
|
|
}
|
|
end
|
|
|
|
def test_getcred_ucred
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
Dir.mktmpdir {|d|
|
|
sockpath = "#{d}/sock"
|
|
Socket.unix_server_socket(sockpath) {|serv|
|
|
Socket.unix(sockpath) {|c|
|
|
s, = serv.accept
|
|
begin
|
|
cred = s.getsockopt(:SOCKET, :PEERCRED)
|
|
inspect = cred.inspect
|
|
assert_match(/ pid=#{$$} /, inspect)
|
|
assert_match(/ euid=#{Process.euid} /, inspect)
|
|
assert_match(/ egid=#{Process.egid} /, inspect)
|
|
assert_match(/ \(ucred\)/, inspect)
|
|
ensure
|
|
s.close
|
|
end
|
|
}
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_getcred_xucred
|
|
return if /freebsd|darwin/ !~ RUBY_PLATFORM
|
|
Dir.mktmpdir {|d|
|
|
sockpath = "#{d}/sock"
|
|
serv = Socket.unix_server_socket(sockpath)
|
|
Socket.unix(sockpath)
|
|
s, = serv.accept
|
|
cred = s.getsockopt(0, Socket::LOCAL_PEERCRED)
|
|
inspect = cred.inspect
|
|
assert_match(/ euid=#{Process.euid} /, inspect)
|
|
assert_match(/ \(xucred\)/, inspect)
|
|
}
|
|
end
|
|
|
|
def test_sendcred_ucred
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
Dir.mktmpdir {|d|
|
|
sockpath = "#{d}/sock"
|
|
Socket.unix_server_socket(sockpath) {|serv|
|
|
Socket.unix(sockpath) {|c|
|
|
s, = serv.accept
|
|
begin
|
|
s.setsockopt(:SOCKET, :PASSCRED, 1)
|
|
c.print "a"
|
|
msg, _, _, cred = s.recvmsg
|
|
inspect = cred.inspect
|
|
assert_equal("a", msg)
|
|
assert_match(/ pid=#{$$} /, inspect)
|
|
assert_match(/ uid=#{Process.uid} /, inspect)
|
|
assert_match(/ gid=#{Process.gid} /, inspect)
|
|
assert_match(/ \(ucred\)/, inspect)
|
|
ensure
|
|
s.close
|
|
end
|
|
}
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_sendcred_sockcred
|
|
return if /netbsd|freebsd/ !~ RUBY_PLATFORM
|
|
Dir.mktmpdir {|d|
|
|
sockpath = "#{d}/sock"
|
|
serv = Socket.unix_server_socket(sockpath)
|
|
c = Socket.unix(sockpath)
|
|
s, = serv.accept
|
|
s.setsockopt(0, Socket::LOCAL_CREDS, 1)
|
|
c.print "a"
|
|
msg, _, _, cred = s.recvmsg
|
|
assert_equal("a", msg)
|
|
inspect = cred.inspect
|
|
assert_match(/ uid=#{Process.uid} /, inspect)
|
|
assert_match(/ euid=#{Process.euid} /, inspect)
|
|
assert_match(/ gid=#{Process.gid} /, inspect)
|
|
assert_match(/ egid=#{Process.egid} /, inspect)
|
|
assert_match(/ \(sockcred\)/, inspect)
|
|
}
|
|
end
|
|
|
|
def test_sendcred_cmsgcred
|
|
return if /freebsd/ !~ RUBY_PLATFORM
|
|
Dir.mktmpdir {|d|
|
|
sockpath = "#{d}/sock"
|
|
serv = Socket.unix_server_socket(sockpath)
|
|
c = Socket.unix(sockpath)
|
|
s, = serv.accept
|
|
c.sendmsg("a", 0, nil, [:SOCKET, Socket::SCM_CREDS, ""])
|
|
msg, _, _, cred = s.recvmsg
|
|
assert_equal("a", msg)
|
|
inspect = cred.inspect
|
|
assert_match(/ pid=#{$$} /, inspect)
|
|
assert_match(/ uid=#{Process.uid} /, inspect)
|
|
assert_match(/ euid=#{Process.euid} /, inspect)
|
|
assert_match(/ gid=#{Process.gid} /, inspect)
|
|
assert_match(/ \(cmsgcred\)/, inspect)
|
|
}
|
|
end
|
|
|
|
def test_getpeereid
|
|
Dir.mktmpdir {|d|
|
|
path = "#{d}/sock"
|
|
Socket.unix_server_socket(path) {|serv|
|
|
Socket.unix(path) {|c|
|
|
s, = serv.accept
|
|
begin
|
|
assert_equal([Process.euid, Process.egid], c.getpeereid)
|
|
assert_equal([Process.euid, Process.egid], s.getpeereid)
|
|
rescue NotImplementedError
|
|
ensure
|
|
s.close
|
|
end
|
|
}
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_abstract_unix_server
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
name = "\0ruby-test_unix"
|
|
s0 = nil
|
|
UNIXServer.open(name) {|s|
|
|
assert_equal(name, s.local_address.unix_path)
|
|
s0 = s
|
|
UNIXSocket.open(name) {|c|
|
|
sock = s.accept
|
|
begin
|
|
assert_equal(name, c.remote_address.unix_path)
|
|
ensure
|
|
sock.close
|
|
end
|
|
}
|
|
}
|
|
assert(s0.closed?)
|
|
end
|
|
|
|
def test_abstract_unix_socket_econnrefused
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
name = "\0ruby-test_unix"
|
|
assert_raise(Errno::ECONNREFUSED) do
|
|
UNIXSocket.open(name) {}
|
|
end
|
|
end
|
|
|
|
def test_abstract_unix_server_socket
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
name = "\0ruby-test_unix"
|
|
s0 = nil
|
|
Socket.unix_server_socket(name) {|s|
|
|
assert_equal(name, s.local_address.unix_path)
|
|
s0 = s
|
|
Socket.unix(name) {|c|
|
|
sock, = s.accept
|
|
begin
|
|
assert_equal(name, c.remote_address.unix_path)
|
|
ensure
|
|
sock.close
|
|
end
|
|
}
|
|
}
|
|
assert(s0.closed?)
|
|
end
|
|
|
|
def test_autobind
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
s0 = nil
|
|
Socket.unix_server_socket("") {|s|
|
|
name = s.local_address.unix_path
|
|
assert_match(/\A\0[0-9a-f]{5}\z/, name)
|
|
s0 = s
|
|
Socket.unix(name) {|c|
|
|
sock, = s.accept
|
|
begin
|
|
assert_equal(name, c.remote_address.unix_path)
|
|
ensure
|
|
sock.close
|
|
end
|
|
}
|
|
}
|
|
assert(s0.closed?)
|
|
end
|
|
|
|
def test_accept_nonblock
|
|
bound_unix_socket(UNIXServer) {|serv, path|
|
|
assert_raise(IO::WaitReadable) { serv.accept_nonblock }
|
|
assert_raise(IO::WaitReadable) { serv.accept_nonblock(exception: true) }
|
|
assert_equal :wait_readable, serv.accept_nonblock(exception: false)
|
|
}
|
|
end
|
|
end if defined?(UNIXSocket) && /cygwin/ !~ RUBY_PLATFORM
|