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ruby--ruby/test/socket/test_socket.rb

762 lines
21 KiB
Ruby

# frozen_string_literal: true
begin
require "socket"
require "tmpdir"
require "fcntl"
require "etc"
require "test/unit"
rescue LoadError
end
class TestSocket < Test::Unit::TestCase
def test_socket_new
begin
s = Socket.new(:INET, :STREAM)
assert_kind_of(Socket, s)
ensure
s.close
end
end
def test_socket_new_cloexec
return unless defined? Fcntl::FD_CLOEXEC
begin
s = Socket.new(:INET, :STREAM)
assert(s.close_on_exec?)
ensure
s.close
end
end
def test_unpack_sockaddr
sockaddr_in = Socket.sockaddr_in(80, "")
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un(sockaddr_in) }
sockaddr_un = Socket.sockaddr_un("/testdir/s")
assert_raise(ArgumentError) { Socket.unpack_sockaddr_in(sockaddr_un) }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_in("") }
assert_raise(ArgumentError) { Socket.unpack_sockaddr_un("") }
end if Socket.respond_to?(:sockaddr_un)
def test_sysaccept
serv = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
serv.bind(Socket.sockaddr_in(0, "127.0.0.1"))
serv.listen 5
c = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
c.connect(serv.getsockname)
fd, peeraddr = serv.sysaccept
assert_equal(c.getsockname, peeraddr.to_sockaddr)
ensure
serv.close if serv
c.close if c
IO.for_fd(fd).close if fd
end
def test_initialize
Socket.open(Socket::AF_INET, Socket::SOCK_STREAM, 0) {|s|
s.bind(Socket.sockaddr_in(0, "127.0.0.1"))
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
assert_raise(ArgumentError, NoMethodError) { Socket.unpack_sockaddr_un(addr) }
}
Socket.open("AF_INET", "SOCK_STREAM", 0) {|s|
s.bind(Socket.sockaddr_in(0, "127.0.0.1"))
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
assert_raise(ArgumentError, NoMethodError) { Socket.unpack_sockaddr_un(addr) }
}
Socket.open(:AF_INET, :SOCK_STREAM, 0) {|s|
s.bind(Socket.sockaddr_in(0, "127.0.0.1"))
addr = s.getsockname
assert_nothing_raised { Socket.unpack_sockaddr_in(addr) }
assert_raise(ArgumentError, NoMethodError) { Socket.unpack_sockaddr_un(addr) }
}
end
def test_bind
Socket.open(Socket::AF_INET, Socket::SOCK_STREAM, 0) {|bound|
bound.bind(Socket.sockaddr_in(0, "127.0.0.1"))
addr = bound.getsockname
port, = Socket.unpack_sockaddr_in(addr)
Socket.open(Socket::AF_INET, Socket::SOCK_STREAM, 0) {|s|
e = assert_raise(Errno::EADDRINUSE) do
s.bind(Socket.sockaddr_in(port, "127.0.0.1"))
end
assert_match "bind(2) for 127.0.0.1:#{port}", e.message
}
}
end
def test_getaddrinfo
# This should not send a DNS query because AF_UNIX.
assert_raise(SocketError) { Socket.getaddrinfo("www.kame.net", 80, "AF_UNIX") }
end
def test_getaddrinfo_raises_no_errors_on_port_argument_of_0 # [ruby-core:29427]
assert_nothing_raised('[ruby-core:29427]'){ Socket.getaddrinfo('localhost', 0, Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME) }
assert_nothing_raised('[ruby-core:29427]'){ Socket.getaddrinfo('localhost', '0', Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME) }
assert_nothing_raised('[ruby-core:29427]'){ Socket.getaddrinfo('localhost', '00', Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME) }
assert_raise(SocketError, '[ruby-core:29427]'){ Socket.getaddrinfo(nil, nil, Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME) }
assert_nothing_raised('[ruby-core:29427]'){ TCPServer.open('localhost', 0) {} }
end
def test_getnameinfo
assert_raise(SocketError) { Socket.getnameinfo(["AF_UNIX", 80, "0.0.0.0"]) }
assert_raise(ArgumentError) {Socket.getnameinfo(["AF_INET", "http\0", "example.net"])}
assert_raise(ArgumentError) {Socket.getnameinfo(["AF_INET", "http", "example.net\0"])}
end
def test_ip_address_list
begin
list = Socket.ip_address_list
rescue NotImplementedError
return
end
list.each {|ai|
assert_instance_of(Addrinfo, ai)
assert(ai.ip?)
}
end
def test_ip_address_list_include_localhost
begin
list = Socket.ip_address_list
rescue NotImplementedError
return
end
assert_includes list.map(&:ip_address), Addrinfo.tcp("localhost", 0).ip_address
end
def test_tcp
TCPServer.open(0) {|serv|
addr = serv.connect_address
addr.connect {|s1|
s2 = serv.accept
begin
assert_equal(s2.remote_address.ip_unpack, s1.local_address.ip_unpack)
ensure
s2.close
end
}
}
end
def test_tcp_cloexec
return unless defined? Fcntl::FD_CLOEXEC
TCPServer.open(0) {|serv|
addr = serv.connect_address
addr.connect {|s1|
s2 = serv.accept
begin
assert(s2.close_on_exec?)
ensure
s2.close
end
}
}
end
def random_port
# IANA suggests dynamic port for 49152 to 65535
# http://www.iana.org/assignments/port-numbers
case RUBY_PLATFORM
when /mingw|mswin/
rand(50000..65535)
else
rand(49152..65535)
end
end
def errors_addrinuse
[Errno::EADDRINUSE]
end
def test_tcp_server_sockets
port = random_port
begin
sockets = Socket.tcp_server_sockets(port)
rescue *errors_addrinuse
return # not test failure
end
begin
sockets.each {|s|
assert_equal(port, s.local_address.ip_port)
}
ensure
sockets.each {|s|
s.close
}
end
end
def test_tcp_server_sockets_port0
sockets = Socket.tcp_server_sockets(0)
ports = sockets.map {|s| s.local_address.ip_port }
the_port = ports.first
ports.each {|port|
assert_equal(the_port, port)
}
ensure
if sockets
sockets.each {|s|
s.close
}
end
end
if defined? UNIXSocket
def test_unix
Dir.mktmpdir {|tmpdir|
path = "#{tmpdir}/sock"
UNIXServer.open(path) {|serv|
Socket.unix(path) {|s1|
s2 = serv.accept
begin
s2raddr = s2.remote_address
s1laddr = s1.local_address
assert(s2raddr.to_sockaddr.empty? ||
s1laddr.to_sockaddr.empty? ||
s2raddr.unix_path == s1laddr.unix_path)
assert(s2.close_on_exec?)
ensure
s2.close
end
}
}
}
end
def test_unix_server_socket
Dir.mktmpdir {|tmpdir|
path = "#{tmpdir}/sock"
2.times {
serv = Socket.unix_server_socket(path)
begin
assert_kind_of(Socket, serv)
assert(File.socket?(path))
assert_equal(path, serv.local_address.unix_path)
ensure
serv.close
end
}
}
end
def test_accept_loop_with_unix
Dir.mktmpdir {|tmpdir|
tcp_servers = []
clients = []
accepted = []
begin
tcp_servers = Socket.tcp_server_sockets(0)
unix_server = Socket.unix_server_socket("#{tmpdir}/sock")
tcp_servers.each {|s|
addr = s.connect_address
begin
clients << addr.connect
rescue
# allow failure if the address is IPv6
raise unless addr.ipv6?
end
}
addr = unix_server.connect_address
assert_nothing_raised("connect to #{addr.inspect}") {
clients << addr.connect
}
Socket.accept_loop(tcp_servers, unix_server) {|s|
accepted << s
break if clients.length == accepted.length
}
assert_equal(clients.length, accepted.length)
ensure
tcp_servers.each {|s| s.close if !s.closed? }
unix_server.close if unix_server && !unix_server.closed?
clients.each {|s| s.close if !s.closed? }
accepted.each {|s| s.close if !s.closed? }
end
}
end
end
def test_accept_loop
servers = []
begin
servers = Socket.tcp_server_sockets(0)
port = servers[0].local_address.ip_port
Socket.tcp("localhost", port) {|s1|
Socket.accept_loop(servers) {|s2, client_ai|
begin
assert_equal(s1.local_address.ip_unpack, client_ai.ip_unpack)
ensure
s2.close
end
break
}
}
ensure
servers.each {|s| s.close if !s.closed? }
end
end
def test_accept_loop_multi_port
servers = []
begin
servers = Socket.tcp_server_sockets(0)
port = servers[0].local_address.ip_port
servers2 = Socket.tcp_server_sockets(0)
servers.concat servers2
port2 = servers2[0].local_address.ip_port
Socket.tcp("localhost", port) {|s1|
Socket.accept_loop(servers) {|s2, client_ai|
begin
assert_equal(s1.local_address.ip_unpack, client_ai.ip_unpack)
ensure
s2.close
end
break
}
}
Socket.tcp("localhost", port2) {|s1|
Socket.accept_loop(servers) {|s2, client_ai|
begin
assert_equal(s1.local_address.ip_unpack, client_ai.ip_unpack)
ensure
s2.close
end
break
}
}
ensure
servers.each {|s| s.close if !s.closed? }
end
end
def test_udp_server
begin
ifaddrs = Socket.getifaddrs
rescue NotImplementedError
skip "Socket.getifaddrs not implemented"
end
ifconfig = nil
Socket.udp_server_sockets(0) {|sockets|
famlies = {}
sockets.each {|s| famlies[s.local_address.afamily] = s }
nd6 = {}
ifaddrs.reject! {|ifa|
ai = ifa.addr
next true unless ai
s = famlies[ai.afamily]
next true unless s
next true if ai.ipv6_linklocal? # IPv6 link-local address is too troublesome in this test.
case RUBY_PLATFORM
when /linux/
if ai.ip_address.include?('%') and
(Etc.uname[:release][/[0-9.]+/].split('.').map(&:to_i) <=> [2,6,18]) <= 0
# Cent OS 5.6 (2.6.18-238.19.1.el5xen) doesn't correctly work
# sendmsg with pktinfo for link-local ipv6 addresses
next true
end
when /freebsd/
if ifa.addr.ipv6_linklocal?
# FreeBSD 9.0 with default setting (ipv6_activate_all_interfaces
# is not YES) sets IFDISABLED to interfaces which don't have
# global IPv6 address.
# Link-local IPv6 addresses on those interfaces don't work.
ulSIOCGIFINFO_IN6 = 3225971052
ulND6_IFF_IFDISABLED = 8
in6_ondireq = ifa.name
s.ioctl(ulSIOCGIFINFO_IN6, in6_ondireq)
flag = in6_ondireq.unpack('A16L6').last
next true if flag & ulND6_IFF_IFDISABLED != 0
nd6[ai] = flag
end
when /darwin/
if !ai.ipv6?
elsif ai.ipv6_unique_local? && /darwin1[01]\./ =~ RUBY_PLATFORM
next true # iCloud addresses do not work, see Bug #6692
elsif ifr_name = ai.ip_address[/%(.*)/, 1]
# Mac OS X may sets IFDISABLED as FreeBSD does
ulSIOCGIFFLAGS = 3223349521
ulSIOCGIFINFO_IN6 = 3224398156
ulIFF_POINTOPOINT = 0x10
ulND6_IFF_IFDISABLED = 8
in6_ondireq = ifr_name
s.ioctl(ulSIOCGIFINFO_IN6, in6_ondireq)
flag = in6_ondireq.unpack('A16L6').last
next true if (flag & ulND6_IFF_IFDISABLED) != 0
nd6[ai] = flag
in6_ifreq = [ifr_name,ai.to_sockaddr].pack('a16A*')
s.ioctl(ulSIOCGIFFLAGS, in6_ifreq)
next true if in6_ifreq.unpack('A16L1').last & ulIFF_POINTOPOINT != 0
end
ifconfig ||= `/sbin/ifconfig`
next true if ifconfig.scan(/^(\w+):(.*(?:\n\t.*)*)/).find do |_ifname, value|
value.include?(ai.ip_address) && value.include?('POINTOPOINT')
end
end
false
}
skipped = false
begin
port = sockets.first.local_address.ip_port
ping_p = false
th = Thread.new {
Socket.udp_server_loop_on(sockets) {|msg, msg_src|
break if msg == "exit"
rmsg = Marshal.dump([msg, msg_src.remote_address, msg_src.local_address])
ping_p = true
msg_src.reply rmsg
}
}
ifaddrs.each {|ifa|
ai = ifa.addr
Addrinfo.udp(ai.ip_address, port).connect {|s|
ping_p = false
msg1 = "<<<#{ai.inspect}>>>"
s.sendmsg msg1
unless IO.select([s], nil, nil, 10)
nd6options = nd6.key?(ai) ? "nd6=%x " % nd6[ai] : ''
raise "no response from #{ifa.inspect} #{nd6options}ping=#{ping_p}"
end
msg2, addr = s.recvmsg
msg2, _, _ = Marshal.load(msg2)
assert_equal(msg1, msg2)
assert_equal(ai.ip_address, addr.ip_address)
}
}
rescue NotImplementedError, Errno::ENOSYS
skipped = true
skip "need sendmsg and recvmsg: #{$!}"
rescue RuntimeError
skipped = true
skip "UDP server is no response: #{$!}"
ensure
if th
if skipped
Thread.kill th unless th.join(10)
else
Addrinfo.udp("127.0.0.1", port).connect {|s| s.sendmsg "exit" }
unless th.join(10)
Thread.kill th
th.join(10)
raise "thread killed"
end
end
end
end
}
end
def test_linger
opt = Socket::Option.linger(true, 0)
assert_equal([true, 0], opt.linger)
Addrinfo.tcp("127.0.0.1", 0).listen {|serv|
serv.local_address.connect {|s1|
s2, _ = serv.accept
begin
s1.setsockopt(opt)
s1.close
assert_raise(Errno::ECONNRESET) { s2.read }
ensure
s2.close
end
}
}
end
def timestamp_retry_rw(s1, s2, t1, type)
IO.pipe do |r,w|
# UDP may not be reliable, keep sending until recvmsg returns:
th = Thread.new do
n = 0
begin
s2.send("a", 0, s1.local_address)
n += 1
end while IO.select([r], nil, nil, 0.1).nil?
n
end
timeout = (defined?(RubyVM::JIT) && RubyVM::JIT.enabled? ? 120 : 30) # for --jit-wait
assert_equal([[s1],[],[]], IO.select([s1], nil, nil, timeout))
msg, _, _, stamp = s1.recvmsg
assert_equal("a", msg)
assert(stamp.cmsg_is?(:SOCKET, type))
w.close # stop th
n = th.value
n > 1 and
warn "UDP packet loss for #{type} over loopback, #{n} tries needed"
t2 = Time.now.strftime("%Y-%m-%d")
pat = Regexp.union([t1, t2].uniq)
assert_match(pat, stamp.inspect)
t = stamp.timestamp
assert_match(pat, t.strftime("%Y-%m-%d"))
stamp
end
end
def test_timestamp
return if /linux|freebsd|netbsd|openbsd|solaris|darwin/ !~ RUBY_PLATFORM
return if !defined?(Socket::AncillaryData) || !defined?(Socket::SO_TIMESTAMP)
t1 = Time.now.strftime("%Y-%m-%d")
stamp = nil
Addrinfo.udp("127.0.0.1", 0).bind {|s1|
Addrinfo.udp("127.0.0.1", 0).bind {|s2|
s1.setsockopt(:SOCKET, :TIMESTAMP, true)
stamp = timestamp_retry_rw(s1, s2, t1, :TIMESTAMP)
}
}
t = stamp.timestamp
pat = /\.#{"%06d" % t.usec}/
assert_match(pat, stamp.inspect)
end
def test_timestampns
return if /linux/ !~ RUBY_PLATFORM || !defined?(Socket::SO_TIMESTAMPNS)
t1 = Time.now.strftime("%Y-%m-%d")
stamp = nil
Addrinfo.udp("127.0.0.1", 0).bind {|s1|
Addrinfo.udp("127.0.0.1", 0).bind {|s2|
begin
s1.setsockopt(:SOCKET, :TIMESTAMPNS, true)
rescue Errno::ENOPROTOOPT
# SO_TIMESTAMPNS is available since Linux 2.6.22
return
end
stamp = timestamp_retry_rw(s1, s2, t1, :TIMESTAMPNS)
}
}
t = stamp.timestamp
pat = /\.#{"%09d" % t.nsec}/
assert_match(pat, stamp.inspect)
end
def test_bintime
return if /freebsd/ !~ RUBY_PLATFORM
t1 = Time.now.strftime("%Y-%m-%d")
stamp = nil
Addrinfo.udp("127.0.0.1", 0).bind {|s1|
Addrinfo.udp("127.0.0.1", 0).bind {|s2|
s1.setsockopt(:SOCKET, :BINTIME, true)
s2.send "a", 0, s1.local_address
msg, _, _, stamp = s1.recvmsg
assert_equal("a", msg)
assert(stamp.cmsg_is?(:SOCKET, :BINTIME))
}
}
t2 = Time.now.strftime("%Y-%m-%d")
pat = Regexp.union([t1, t2].uniq)
assert_match(pat, stamp.inspect)
t = stamp.timestamp
assert_match(pat, t.strftime("%Y-%m-%d"))
assert_equal(stamp.data[-8,8].unpack("Q")[0], t.subsec * 2**64)
end
def test_closed_read
require 'timeout'
require 'socket'
bug4390 = '[ruby-core:35203]'
server = TCPServer.new("localhost", 0)
serv_thread = Thread.new {server.accept}
begin sleep(0.1) end until serv_thread.stop?
sock = TCPSocket.new("localhost", server.addr[1])
client_thread = Thread.new do
assert_raise(IOError, bug4390) {
sock.readline
}
end
begin sleep(0.1) end until client_thread.stop?
Timeout.timeout(1) do
sock.close
sock = nil
client_thread.join
end
ensure
serv_thread.value.close
server.close
end
def test_connect_timeout
host = "127.0.0.1"
server = TCPServer.new(host, 0)
port = server.addr[1]
serv_thread = Thread.new {server.accept}
sock = Socket.tcp(host, port, :connect_timeout => 30)
accepted = serv_thread.value
assert_kind_of TCPSocket, accepted
assert_equal sock, IO.select(nil, [ sock ])[1][0], "not writable"
sock.close
# some platforms may not timeout when the listener queue overflows,
# but we know Linux does with the default listen backlog of SOMAXCONN for
# TCPServer.
assert_raise(Errno::ETIMEDOUT) do
(Socket::SOMAXCONN*2).times do |i|
sock = Socket.tcp(host, port, :connect_timeout => 0)
assert_equal sock, IO.select(nil, [ sock ])[1][0],
"not writable (#{i})"
sock.close
end
end if RUBY_PLATFORM =~ /linux/
ensure
server.close
accepted.close if accepted
sock.close if sock && ! sock.closed?
end
def test_getifaddrs
begin
list = Socket.getifaddrs
rescue NotImplementedError
return
end
list.each {|ifaddr|
assert_instance_of(Socket::Ifaddr, ifaddr)
}
end
def test_connect_in_rescue
serv = Addrinfo.tcp(nil, 0).listen
addr = serv.connect_address
begin
raise "dummy error"
rescue
s = addr.connect
assert(!s.closed?)
end
ensure
serv.close if serv && !serv.closed?
s.close if s && !s.closed?
end
def test_bind_in_rescue
begin
raise "dummy error"
rescue
s = Addrinfo.tcp(nil, 0).bind
assert(!s.closed?)
end
ensure
s.close if s && !s.closed?
end
def test_listen_in_rescue
begin
raise "dummy error"
rescue
s = Addrinfo.tcp(nil, 0).listen
assert(!s.closed?)
end
ensure
s.close if s && !s.closed?
end
def test_udp_server_sockets_in_rescue
begin
raise "dummy error"
rescue
ss = Socket.udp_server_sockets(0)
ss.each {|s|
assert(!s.closed?)
}
end
ensure
if ss
ss.each {|s|
s.close if !s.closed?
}
end
end
def test_tcp_server_sockets_in_rescue
begin
raise "dummy error"
rescue
ss = Socket.tcp_server_sockets(0)
ss.each {|s|
assert(!s.closed?)
}
end
ensure
if ss
ss.each {|s|
s.close if !s.closed?
}
end
end
def test_recvmsg_udp_no_arg
n = 4097
s1 = Addrinfo.udp("127.0.0.1", 0).bind
s2 = s1.connect_address.connect
s2.send("a" * n, 0)
ret = s1.recvmsg
assert_equal n, ret[0].bytesize, '[ruby-core:71517] [Bug #11701]'
s2.send("a" * n, 0)
IO.select([s1])
ret = s1.recvmsg_nonblock
assert_equal n, ret[0].bytesize, 'non-blocking should also grow'
ensure
s1.close
s2.close
end
def test_udp_read_truncation
s1 = Addrinfo.udp("127.0.0.1", 0).bind
s2 = s1.connect_address.connect
s2.send("a" * 100, 0)
ret = s1.read(10)
assert_equal "a" * 10, ret
s2.send("b" * 100, 0)
ret = s1.read(10)
assert_equal "b" * 10, ret
ensure
s1.close
s2.close
end
def test_udp_recv_truncation
s1 = Addrinfo.udp("127.0.0.1", 0).bind
s2 = s1.connect_address.connect
s2.send("a" * 100, 0)
ret = s1.recv(10, Socket::MSG_PEEK)
assert_equal "a" * 10, ret
ret = s1.recv(10, 0)
assert_equal "a" * 10, ret
s2.send("b" * 100, 0)
ret = s1.recv(10, 0)
assert_equal "b" * 10, ret
ensure
s1.close
s2.close
end
def test_udp_recvmsg_truncation
s1 = Addrinfo.udp("127.0.0.1", 0).bind
s2 = s1.connect_address.connect
s2.send("a" * 100, 0)
ret, addr, rflags = s1.recvmsg(10, Socket::MSG_PEEK)
assert_equal "a" * 10, ret
# AIX does not set MSG_TRUNC for a message partially read with MSG_PEEK.
assert_equal Socket::MSG_TRUNC, rflags & Socket::MSG_TRUNC if !rflags.nil? && /aix/ !~ RUBY_PLATFORM
ret, addr, rflags = s1.recvmsg(10, 0)
assert_equal "a" * 10, ret
assert_equal Socket::MSG_TRUNC, rflags & Socket::MSG_TRUNC if !rflags.nil?
s2.send("b" * 100, 0)
ret, addr, rflags = s1.recvmsg(10, 0)
assert_equal "b" * 10, ret
assert_equal Socket::MSG_TRUNC, rflags & Socket::MSG_TRUNC if !rflags.nil?
addr
ensure
s1.close
s2.close
end
end if defined?(Socket)