begin
require "socket"
rescue LoadError
end
require "test/unit"
require "tempfile"
require "timeout"
require "tmpdir"
require "thread"
require "io/nonblock"
class TestSocket_UNIXSocket < Test::Unit::TestCase
def test_fd_passing
r1, w = IO.pipe
s1, s2 = UNIXSocket.pair
begin
s1.send_io(nil)
rescue NotImplementedError
assert_raise(NotImplementedError) { s2.recv_io }
rescue TypeError
s1.send_io(r1)
r2 = s2.recv_io
assert_equal(r1.stat.ino, r2.stat.ino)
assert_not_equal(r1.fileno, r2.fileno)
assert(r2.close_on_exec?)
w.syswrite "a"
assert_equal("a", r2.sysread(10))
ensure
s1.close
s2.close
w.close
r1.close
r2.close if r2 && !r2.closed?
end
end
def test_fd_passing_n
io_ary = []
return if !defined?(Socket::SCM_RIGHTS)
io_ary.concat IO.pipe
io_ary.concat IO.pipe
io_ary.concat IO.pipe
send_io_ary = []
io_ary.each {|io|
send_io_ary << io
UNIXSocket.pair {|s1, s2|
begin
ret = s1.sendmsg("\0", 0, nil, [Socket::SOL_SOCKET, Socket::SCM_RIGHTS,
send_io_ary.map {|io2| io2.fileno }.pack("i!*")])
rescue NotImplementedError
return
end
assert_equal(1, ret)
ret = s2.recvmsg(:scm_rights=>true)
data, srcaddr, flags, *ctls = ret
recv_io_ary = []
ctls.each {|ctl|
next if ctl.level != Socket::SOL_SOCKET || ctl.type != Socket::SCM_RIGHTS
recv_io_ary.concat ctl.unix_rights
}
assert_equal(send_io_ary.length, recv_io_ary.length)
send_io_ary.length.times {|i|
assert_not_equal(send_io_ary[i].fileno, recv_io_ary[i].fileno)
assert(File.identical?(send_io_ary[i], recv_io_ary[i]))
assert(recv_io_ary[i].close_on_exec?)
}
}
}
ensure
io_ary.each {|io| io.close if !io.closed? }
end
def test_fd_passing_n2
io_ary = []
return if !defined?(Socket::SCM_RIGHTS)
return if !defined?(Socket::AncillaryData)
io_ary.concat IO.pipe
io_ary.concat IO.pipe
io_ary.concat IO.pipe
send_io_ary = []
io_ary.each {|io|
send_io_ary << io
UNIXSocket.pair {|s1, s2|
begin
ancdata = Socket::AncillaryData.unix_rights(*send_io_ary)
ret = s1.sendmsg("\0", 0, nil, ancdata)
rescue NotImplementedError
return
end
assert_equal(1, ret)
ret = s2.recvmsg(:scm_rights=>true)
data, srcaddr, flags, *ctls = ret
recv_io_ary = []
ctls.each {|ctl|
next if ctl.level != Socket::SOL_SOCKET || ctl.type != Socket::SCM_RIGHTS
recv_io_ary.concat ctl.unix_rights
}
assert_equal(send_io_ary.length, recv_io_ary.length)
send_io_ary.length.times {|i|
assert_not_equal(send_io_ary[i].fileno, recv_io_ary[i].fileno)
assert(File.identical?(send_io_ary[i], recv_io_ary[i]))
assert(recv_io_ary[i].close_on_exec?)
}
}
}
ensure
io_ary.each {|io| io.close if !io.closed? }
end
def test_fd_passing_race_condition
r1, w = IO.pipe
s1, s2 = UNIXSocket.pair
s1.nonblock = s2.nonblock = true
lock = Mutex.new
nr = 0
x = 2
y = 1000
begin
s1.send_io(nil)
rescue NotImplementedError
assert_raise(NotImplementedError) { s2.recv_io }
rescue TypeError
thrs = x.times.map do
Thread.new do
y.times do
s2.recv_io.close
lock.synchronize { nr += 1 }
end
true
end
end
(x * y).times { s1.send_io r1 }
assert_equal([true]*x, thrs.map { |t| t.value })
assert_equal x * y, nr
ensure
s1.close
s2.close
w.close
r1.close
end
end
def test_sendmsg
return if !defined?(Socket::SCM_RIGHTS)
IO.pipe {|r1, w|
UNIXSocket.pair {|s1, s2|
begin
ret = s1.sendmsg("\0", 0, nil, [Socket::SOL_SOCKET, Socket::SCM_RIGHTS, [r1.fileno].pack("i!")])
rescue NotImplementedError
return
end
assert_equal(1, ret)
r2 = s2.recv_io
begin
assert(File.identical?(r1, r2))
assert(r2.close_on_exec?)
ensure
r2.close
end
}
}
end
def test_sendmsg_ancillarydata_int
return if !defined?(Socket::SCM_RIGHTS)
return if !defined?(Socket::AncillaryData)
IO.pipe {|r1, w|
UNIXSocket.pair {|s1, s2|
begin
ad = Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, r1.fileno)
ret = s1.sendmsg("\0", 0, nil, ad)
rescue NotImplementedError
return
end
assert_equal(1, ret)
r2 = s2.recv_io
begin
assert(File.identical?(r1, r2))
ensure
r2.close
end
}
}
end
def test_sendmsg_ancillarydata_unix_rights
return if !defined?(Socket::SCM_RIGHTS)
return if !defined?(Socket::AncillaryData)
IO.pipe {|r1, w|
UNIXSocket.pair {|s1, s2|
begin
ad = Socket::AncillaryData.unix_rights(r1)
ret = s1.sendmsg("\0", 0, nil, ad)
rescue NotImplementedError
return
end
assert_equal(1, ret)
r2 = s2.recv_io
begin
assert(File.identical?(r1, r2))
ensure
r2.close
end
}
}
end
def test_recvmsg
return if !defined?(Socket::SCM_RIGHTS)
return if !defined?(Socket::AncillaryData)
IO.pipe {|r1, w|
UNIXSocket.pair {|s1, s2|
s1.send_io(r1)
ret = s2.recvmsg(:scm_rights=>true)
data, srcaddr, flags, *ctls = ret
assert_equal("\0", data)
if flags == nil
assert_instance_of(Array, ctls)
assert_equal(0, ctls.length)
else
assert_equal(0, flags & (Socket::MSG_TRUNC|Socket::MSG_CTRUNC))
assert_instance_of(Addrinfo, srcaddr)
assert_instance_of(Array, ctls)
assert_equal(1, ctls.length)
ctl = ctls[0]
assert_instance_of(Socket::AncillaryData, ctl)
assert_equal(Socket::SOL_SOCKET, ctl.level)
assert_equal(Socket::SCM_RIGHTS, ctl.type)
assert_instance_of(String, ctl.data)
ios = ctl.unix_rights
assert_equal(1, ios.length)
r2 = ios[0]
begin
assert(File.identical?(r1, r2))
assert(r2.close_on_exec?)
ensure
r2.close
end
end
}
}
end
def bound_unix_socket(klass)
tmpfile = Tempfile.new("s")
path = tmpfile.path
tmpfile.close(true)
yield klass.new(path), path
ensure
File.unlink path if path && File.socket?(path)
end
def test_addr
bound_unix_socket(UNIXServer) {|serv, path|
c = UNIXSocket.new(path)
s = serv.accept
assert_equal(["AF_UNIX", path], c.peeraddr)
assert_equal(["AF_UNIX", ""], c.addr)
assert_equal(["AF_UNIX", ""], s.peeraddr)
assert_equal(["AF_UNIX", path], s.addr)
assert_equal(path, s.path)
assert_equal("", c.path)
}
end
def test_cloexec
bound_unix_socket(UNIXServer) {|serv, path|
c = UNIXSocket.new(path)
s = serv.accept
assert(serv.close_on_exec?)
assert(c.close_on_exec?)
assert(s.close_on_exec?)
}
end
def test_noname_path
s1, s2 = UNIXSocket.pair
assert_equal("", s1.path)
assert_equal("", s2.path)
ensure
s1.close
s2.close
end
def test_noname_addr
s1, s2 = UNIXSocket.pair
assert_equal(["AF_UNIX", ""], s1.addr)
assert_equal(["AF_UNIX", ""], s2.addr)
ensure
s1.close
s2.close
end
def test_noname_peeraddr
s1, s2 = UNIXSocket.pair
assert_equal(["AF_UNIX", ""], s1.peeraddr)
assert_equal(["AF_UNIX", ""], s2.peeraddr)
ensure
s1.close
s2.close
end
def test_noname_unpack_sockaddr_un
s1, s2 = UNIXSocket.pair
n = nil
assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s1.getsockname) != ""
assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s1.getsockname) != ""
assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s2.getsockname) != ""
assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s1.getpeername) != ""
assert_equal("", Socket.unpack_sockaddr_un(n)) if (n = s2.getpeername) != ""
ensure
s1.close
s2.close
end
def test_noname_recvfrom
s1, s2 = UNIXSocket.pair
s2.write("a")
assert_equal(["a", ["AF_UNIX", ""]], s1.recvfrom(10))
ensure
s1.close
s2.close
end
def test_noname_recv_nonblock
s1, s2 = UNIXSocket.pair
s2.write("a")
IO.select [s1]
assert_equal("a", s1.recv_nonblock(10))
ensure
s1.close
s2.close
end
def test_too_long_path
assert_raise(ArgumentError) { Socket.sockaddr_un("a" * 300) }
assert_raise(ArgumentError) { UNIXServer.new("a" * 300) }
end
def test_abstract_namespace
return if /linux/ !~ RUBY_PLATFORM
addr = Socket.pack_sockaddr_un("\0foo")
assert_match(/\0foo\z/, addr)
assert_equal("\0foo", Socket.unpack_sockaddr_un(addr))
end
def test_dgram_pair
s1, s2 = UNIXSocket.pair(Socket::SOCK_DGRAM)
assert_raise(Errno::EAGAIN) { s1.recv_nonblock(10) }
s2.send("", 0)
s2.send("haha", 0)
s2.send("", 0)
s2.send("", 0)
assert_equal("", s1.recv(10))
assert_equal("haha", s1.recv(10))
assert_equal("", s1.recv(10))
assert_equal("", s1.recv(10))
assert_raise(Errno::EAGAIN) { s1.recv_nonblock(10) }
ensure
s1.close if s1
s2.close if s2
end
def test_dgram_pair_sendrecvmsg_errno_set
s1, s2 = to_close = UNIXSocket.pair(Socket::SOCK_DGRAM)
pipe = IO.pipe
to_close.concat(pipe)
set_errno = lambda do
begin
pipe[0].read_nonblock(1)
fail
rescue => e
assert(IO::WaitReadable === e)
end
end
Timeout.timeout(10) do
set_errno.call
assert_equal(2, s1.sendmsg("HI"))
set_errno.call
assert_equal("HI", s2.recvmsg[0])
end
ensure
to_close.each(&:close) if to_close
end
def test_epipe # [ruby-dev:34619]
s1, s2 = UNIXSocket.pair
s1.shutdown(Socket::SHUT_WR)
assert_raise(Errno::EPIPE) { s1.write "a" }
assert_equal(nil, s2.read(1))
s2.write "a"
assert_equal("a", s1.read(1))
end
def test_socket_pair_with_block
pair = nil
ret = Socket.pair(Socket::AF_UNIX, Socket::SOCK_STREAM, 0) {|s1, s2|
pair = [s1, s2]
:return_value
}
assert_equal(:return_value, ret)
assert_kind_of(Socket, pair[0])
assert_kind_of(Socket, pair[1])
end
def test_unix_socket_pair_with_block
pair = nil
UNIXSocket.pair {|s1, s2|
pair = [s1, s2]
}
assert_kind_of(UNIXSocket, pair[0])
assert_kind_of(UNIXSocket, pair[1])
end
def test_unix_socket_pair_close_on_exec
pair = nil
UNIXSocket.pair {|s1, s2|
assert(s1.close_on_exec?)
assert(s2.close_on_exec?)
}
end
def test_initialize
Dir.mktmpdir {|d|
Socket.open(Socket::AF_UNIX, Socket::SOCK_STREAM, 0) {|s|
s.bind(Socket.pack_sockaddr_un("#{d}/s1"))
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_un(addr) }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_in(addr) }
}
Socket.open("AF_UNIX", "SOCK_STREAM", 0) {|s|
s.bind(Socket.pack_sockaddr_un("#{d}/s2"))
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_un(addr) }
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"
serv = Socket.unix_server_socket(sockpath)
c = Socket.unix(sockpath)
s, = serv.accept
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)
}
end
def test_getcred_xucred
return if /freebsd|darwin/ !~ RUBY_PLATFORM
Dir.mktmpdir {|d|
sockpath = "#{d}/sock"
serv = Socket.unix_server_socket(sockpath)
c = 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"
serv = Socket.unix_server_socket(sockpath)
c = Socket.unix(sockpath)
s, = serv.accept
s.setsockopt(:SOCKET, :PASSCRED, 1)
c.print "a"
msg, cliend_ai, rflags, 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)
}
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, cliend_ai, rflags, 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, cliend_ai, rflags, 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"
serv = Socket.unix_server_socket(path)
c = Socket.unix(path)
s, = serv.accept
begin
assert_equal([Process.euid, Process.egid], c.getpeereid)
assert_equal([Process.euid, Process.egid], s.getpeereid)
rescue NotImplementedError
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
end if defined?(UNIXSocket) && /cygwin/ !~ RUBY_PLATFORM