xref: /libuv/test/test-pipe-getsockname.c (revision 1dd0ab13)
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14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 
22 #include "uv.h"
23 #include "task.h"
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 
28 #ifndef _WIN32
29 # include <unistd.h>  /* close */
30 #else
31 # include <fcntl.h>
32 #endif
33 
34 static uv_pipe_t pipe_client;
35 static uv_pipe_t pipe_server;
36 static uv_connect_t connect_req;
37 
38 static int pipe_close_cb_called = 0;
39 static int pipe_client_connect_cb_called = 0;
40 
41 
pipe_close_cb(uv_handle_t * handle)42 static void pipe_close_cb(uv_handle_t* handle) {
43   ASSERT_NE(handle == (uv_handle_t*) &pipe_client ||
44             handle == (uv_handle_t*) &pipe_server, 0);
45   pipe_close_cb_called++;
46 }
47 
48 
pipe_client_connect_cb(uv_connect_t * req,int status)49 static void pipe_client_connect_cb(uv_connect_t* req, int status) {
50   char buf[1024];
51   size_t len;
52   int r;
53 
54   ASSERT_PTR_EQ(req, &connect_req);
55   ASSERT_OK(status);
56 
57   len = sizeof buf;
58   r = uv_pipe_getpeername(&pipe_client, buf, &len);
59   ASSERT_OK(r);
60 
61   if (*buf == '\0') {  /* Linux abstract socket. */
62     const char expected[] = "\0" TEST_PIPENAME;
63     ASSERT_EQ(len, sizeof(expected) - 1);
64     ASSERT_MEM_EQ(buf, expected, len);
65   } else {
66     ASSERT_NE(0, buf[len - 1]);
67     ASSERT_MEM_EQ(buf, TEST_PIPENAME, len);
68   }
69 
70   len = sizeof buf;
71   r = uv_pipe_getsockname(&pipe_client, buf, &len);
72   ASSERT(r == 0 && len == 0);
73 
74   pipe_client_connect_cb_called++;
75 
76   uv_close((uv_handle_t*) &pipe_client, pipe_close_cb);
77   uv_close((uv_handle_t*) &pipe_server, pipe_close_cb);
78 }
79 
80 
pipe_server_connection_cb(uv_stream_t * handle,int status)81 static void pipe_server_connection_cb(uv_stream_t* handle, int status) {
82   /* This function *may* be called, depending on whether accept or the
83    * connection callback is called first.
84    */
85   ASSERT_OK(status);
86 }
87 
88 
TEST_IMPL(pipe_getsockname)89 TEST_IMPL(pipe_getsockname) {
90 #if defined(NO_SELF_CONNECT)
91   RETURN_SKIP(NO_SELF_CONNECT);
92 #endif
93   uv_loop_t* loop;
94   char namebuf[256];
95   char buf[1024];
96   size_t namelen;
97   size_t len;
98   int r;
99 
100   snprintf(namebuf, sizeof(namebuf), "%s-oob", TEST_PIPENAME);
101   namelen = sizeof(TEST_PIPENAME) - 1;
102 
103   loop = uv_default_loop();
104   ASSERT_NOT_NULL(loop);
105 
106   r = uv_pipe_init(loop, &pipe_server, 0);
107   ASSERT_OK(r);
108 
109   r = uv_pipe_bind2(&pipe_server, "bad\0path", 8, 0);
110   ASSERT_EQ(r, UV_EINVAL);
111 
112   len = sizeof buf;
113   r = uv_pipe_getsockname(&pipe_server, buf, &len);
114   ASSERT_EQ(r, UV_EBADF);
115 
116   len = sizeof buf;
117   r = uv_pipe_getpeername(&pipe_server, buf, &len);
118   ASSERT_EQ(r, UV_EBADF);
119 
120   r = uv_pipe_bind2(&pipe_server, namebuf, namelen, 0);
121   ASSERT_OK(r);
122 
123 #ifndef _WIN32
124   ASSERT_STR_EQ(pipe_server.pipe_fname, TEST_PIPENAME);
125 #endif
126 
127   len = sizeof buf;
128   r = uv_pipe_getsockname(&pipe_server, buf, &len);
129   ASSERT_OK(r);
130 
131   ASSERT_NE(0, buf[len - 1]);
132   ASSERT_EQ(buf[len], '\0');
133   ASSERT_OK(memcmp(buf, TEST_PIPENAME, len));
134 
135   len = sizeof buf;
136   r = uv_pipe_getpeername(&pipe_server, buf, &len);
137   ASSERT_EQ(r, UV_ENOTCONN);
138 
139   r = uv_listen((uv_stream_t*) &pipe_server, 0, pipe_server_connection_cb);
140   ASSERT_OK(r);
141 
142   r = uv_pipe_init(loop, &pipe_client, 0);
143   ASSERT_OK(r);
144 
145   len = sizeof buf;
146   r = uv_pipe_getsockname(&pipe_client, buf, &len);
147   ASSERT_EQ(r, UV_EBADF);
148 
149   len = sizeof buf;
150   r = uv_pipe_getpeername(&pipe_client, buf, &len);
151   ASSERT_EQ(r, UV_EBADF);
152 
153   r = uv_pipe_connect2(&connect_req,
154                        &pipe_client,
155                        namebuf,
156                        namelen,
157                        0,
158                        pipe_client_connect_cb);
159   ASSERT_OK(r);
160 
161   len = sizeof buf;
162   r = uv_pipe_getsockname(&pipe_client, buf, &len);
163   ASSERT(r == 0 && len == 0);
164 
165   len = sizeof buf;
166   r = uv_pipe_getpeername(&pipe_client, buf, &len);
167   ASSERT_OK(r);
168 
169   ASSERT_NE(0, buf[len - 1]);
170   ASSERT_OK(memcmp(buf, TEST_PIPENAME, len));
171 
172   r = uv_run(loop, UV_RUN_DEFAULT);
173   ASSERT_OK(r);
174   ASSERT_EQ(1, pipe_client_connect_cb_called);
175   ASSERT_EQ(2, pipe_close_cb_called);
176 
177   MAKE_VALGRIND_HAPPY(loop);
178   return 0;
179 }
180 
181 
TEST_IMPL(pipe_getsockname_abstract)182 TEST_IMPL(pipe_getsockname_abstract) {
183   /* TODO(bnoordhuis) Use unique name, susceptible to concurrent test runs. */
184   static const char name[] = "\0" TEST_PIPENAME;
185 #if defined(__linux__)
186   char buf[256];
187   size_t buflen;
188 
189   buflen = sizeof(buf);
190   memset(buf, 0, sizeof(buf));
191   ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_server, 0));
192   ASSERT_OK(uv_pipe_bind2(&pipe_server, name, sizeof(name) - 1, 0));
193   ASSERT_OK(uv_pipe_getsockname(&pipe_server, buf, &buflen));
194   ASSERT_UINT64_EQ(sizeof(name) - 1, buflen);
195   ASSERT_MEM_EQ(name, buf, buflen);
196   ASSERT_OK(uv_listen((uv_stream_t*) &pipe_server,
197                       0,
198                       pipe_server_connection_cb));
199   ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_client, 0));
200   ASSERT_OK(uv_pipe_connect2(&connect_req,
201                              &pipe_client,
202                              name,
203                              sizeof(name) - 1,
204                              0,
205                              pipe_client_connect_cb));
206   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
207   ASSERT_EQ(1, pipe_client_connect_cb_called);
208   ASSERT_EQ(2, pipe_close_cb_called);
209   MAKE_VALGRIND_HAPPY(uv_default_loop());
210   return 0;
211 #else
212   /* On other platforms it should simply fail with UV_EINVAL. */
213   ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_server, 0));
214   ASSERT_EQ(UV_EINVAL, uv_pipe_bind2(&pipe_server, name, sizeof(name), 0));
215   ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_client, 0));
216   uv_close((uv_handle_t*) &pipe_server, pipe_close_cb);
217   ASSERT_EQ(UV_EINVAL, uv_pipe_connect2(&connect_req,
218                                         &pipe_client,
219                                         name,
220                                         sizeof(name),
221                                         0,
222                                         (uv_connect_cb) abort));
223   uv_close((uv_handle_t*) &pipe_client, pipe_close_cb);
224   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
225   ASSERT_EQ(2, pipe_close_cb_called);
226   MAKE_VALGRIND_HAPPY(uv_default_loop());
227   return 0;
228 #endif
229 }
230 
TEST_IMPL(pipe_getsockname_blocking)231 TEST_IMPL(pipe_getsockname_blocking) {
232 #ifdef _WIN32
233   HANDLE readh, writeh;
234   int readfd;
235   char buf1[1024], buf2[1024];
236   size_t len1, len2;
237   int r;
238 
239   r = CreatePipe(&readh, &writeh, NULL, 65536);
240   ASSERT(r);
241 
242   r = uv_pipe_init(uv_default_loop(), &pipe_client, 0);
243   ASSERT_OK(r);
244   readfd = _open_osfhandle((intptr_t)readh, _O_RDONLY);
245   ASSERT_NE(r, -1);
246   r = uv_pipe_open(&pipe_client, readfd);
247   ASSERT_OK(r);
248   r = uv_read_start((uv_stream_t*) &pipe_client,
249                     (uv_alloc_cb) abort,
250                     (uv_read_cb) abort);
251   ASSERT_OK(r);
252   Sleep(100);
253   r = uv_read_stop((uv_stream_t*)&pipe_client);
254   ASSERT_OK(r);
255 
256   len1 = sizeof buf1;
257   r = uv_pipe_getsockname(&pipe_client, buf1, &len1);
258   ASSERT_OK(r);
259   ASSERT_OK(len1);  /* It's an annonymous pipe. */
260 
261   r = uv_read_start((uv_stream_t*)&pipe_client,
262                     (uv_alloc_cb) abort,
263                     (uv_read_cb) abort);
264   ASSERT_OK(r);
265   Sleep(100);
266 
267   len2 = sizeof buf2;
268   r = uv_pipe_getsockname(&pipe_client, buf2, &len2);
269   ASSERT_OK(r);
270   ASSERT_OK(len2);  /* It's an annonymous pipe. */
271 
272   r = uv_read_stop((uv_stream_t*)&pipe_client);
273   ASSERT_OK(r);
274 
275   ASSERT_EQ(len1, len2);
276   ASSERT_OK(memcmp(buf1, buf2, len1));
277 
278   pipe_close_cb_called = 0;
279   uv_close((uv_handle_t*)&pipe_client, pipe_close_cb);
280 
281   uv_run(uv_default_loop(), UV_RUN_DEFAULT);
282 
283   ASSERT_EQ(1, pipe_close_cb_called);
284 
285   CloseHandle(writeh);
286 #endif
287 
288   MAKE_VALGRIND_HAPPY(uv_default_loop());
289   return 0;
290 }
291