1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
|
begin
require "socket"
rescue LoadError
end
require "test/unit"
require "tempfile"
require "tmpdir"
class TestUNIXSocket < 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)
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 {|io| io.fileno }.pack("i!*")])
rescue NotImplementedError
return
end
assert_equal(1, ret)
ret = s2.recvmsg
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.data.unpack("i!*").map {|fd| IO.new(fd) }
}
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]))
}
}
}
ensure
io_ary.each {|io| io.close if !io.closed? }
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))
ensure
r2.close
end
}
}
end
def test_sendmsg_ancillarydata
return if !defined?(Socket::SCM_RIGHTS)
return if !defined?(Socket::AncillaryData)
IO.pipe {|r1, w|
UNIXSocket.pair {|s1, s2|
begin
ad = Socket::AncillaryData.int(: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_recvmsg
return if !defined?(Socket::SCM_RIGHTS)
IO.pipe {|r1, w|
UNIXSocket.pair {|s1, s2|
s1.send_io(r1)
ret = s2.recvmsg
data, srcaddr, flags, *ctls = ret
assert_equal("\0", data)
if flags == nil
# struct msghdr is 4.3BSD style (msg_accrights field).
assert_instance_of(Array, ctls)
assert_equal(0, ctls.length)
else
# struct msghdr is POSIX/4.4BSD style (msg_control field).
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)
assert_instance_of(Socket::AncillaryData, ctls[0])
assert_equal(Socket::SOL_SOCKET, ctls[0].level)
assert_equal(Socket::SCM_RIGHTS, ctls[0].type)
assert_instance_of(String, ctls[0].data)
fd, rest = ctls[0].data.unpack("i!a*")
assert_equal("", rest)
r2 = IO.new(fd)
begin
assert(File.identical?(r1, r2))
ensure
r2.close
end
end
}
}
end
def bound_unix_socket(klass)
tmpfile = Tempfile.new("testrubysock")
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_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_nul
assert_raise(ArgumentError) { Socket.sockaddr_un("a\0b") }
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_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_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_cred_linux
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
assert_equal("a", msg)
assert_match(/ pid=#{$$} /, cred.inspect)
assert_match(/ uid=#{Process.uid} /, cred.inspect)
assert_match(/ gid=#{Process.gid}>/, cred.inspect)
}
end
def test_cred_netbsd
return if /netbsd/ !~ 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)
assert_match(/ uid=#{Process.uid} /, cred.inspect)
assert_match(/ euid=#{Process.euid} /, cred.inspect)
assert_match(/ gid=#{Process.gid} /, cred.inspect)
assert_match(/ egid=#{Process.egid} /, cred.inspect)
}
end
end if defined?(UNIXSocket) && /cygwin/ !~ RUBY_PLATFORM
|