dinput: Fix printing NULL strings.
[wine] / dlls / kernel32 / tests / pipe.c
1 /*
2  * Unit tests for named pipe functions in Wine
3  *
4  * Copyright (c) 2002 Dan Kegel
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include <assert.h>
22 #include <stdarg.h>
23 #include <stdio.h>
24
25 #include <windef.h>
26 #include <winbase.h>
27 #include <winsock.h>
28 #include <wtypes.h>
29 #include <winerror.h>
30
31 #include "wine/test.h"
32
33 #define PIPENAME "\\\\.\\PiPe\\tests_pipe.c"
34
35 #define NB_SERVER_LOOPS 8
36
37 static HANDLE alarm_event;
38 static BOOL (WINAPI *pDuplicateTokenEx)(HANDLE,DWORD,LPSECURITY_ATTRIBUTES,
39                                         SECURITY_IMPERSONATION_LEVEL,TOKEN_TYPE,PHANDLE);
40 static DWORD WINAPI (*pQueueUserAPC)(PAPCFUNC pfnAPC, HANDLE hThread, ULONG_PTR dwData);
41
42 static BOOL user_apc_ran;
43 static void CALLBACK user_apc(ULONG_PTR param)
44 {
45     user_apc_ran = TRUE;
46 }
47
48 static void test_CreateNamedPipe(int pipemode)
49 {
50     HANDLE hnp;
51     HANDLE hFile;
52     static const char obuf[] = "Bit Bucket";
53     static const char obuf2[] = "More bits";
54     char ibuf[32], *pbuf;
55     DWORD written;
56     DWORD readden;
57     DWORD avail;
58     DWORD lpmode;
59     BOOL ret;
60
61     if (pipemode == PIPE_TYPE_BYTE)
62         trace("test_CreateNamedPipe starting in byte mode\n");
63     else
64         trace("test_CreateNamedPipe starting in message mode\n");
65     /* Bad parameter checks */
66     hnp = CreateNamedPipe("not a named pipe", PIPE_ACCESS_DUPLEX, pipemode | PIPE_WAIT,
67         /* nMaxInstances */ 1,
68         /* nOutBufSize */ 1024,
69         /* nInBufSize */ 1024,
70         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
71         /* lpSecurityAttrib */ NULL);
72     ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_INVALID_NAME,
73         "CreateNamedPipe should fail if name doesn't start with \\\\.\\pipe\n");
74
75     hnp = CreateNamedPipe(NULL,
76         PIPE_ACCESS_DUPLEX, pipemode | PIPE_WAIT,
77         1, 1024, 1024, NMPWAIT_USE_DEFAULT_WAIT, NULL);
78     ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND,
79         "CreateNamedPipe should fail if name is NULL\n");
80
81     hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
82     ok(hFile == INVALID_HANDLE_VALUE
83         && GetLastError() == ERROR_FILE_NOT_FOUND,
84         "connecting to nonexistent named pipe should fail with ERROR_FILE_NOT_FOUND\n");
85
86     /* Functional checks */
87
88     hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, pipemode | PIPE_WAIT,
89         /* nMaxInstances */ 1,
90         /* nOutBufSize */ 1024,
91         /* nInBufSize */ 1024,
92         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
93         /* lpSecurityAttrib */ NULL);
94     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
95
96     ret = WaitNamedPipeA(PIPENAME, 2000);
97     ok(ret, "WaitNamedPipe failed (%d)\n", GetLastError());
98
99     hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
100     ok(hFile != INVALID_HANDLE_VALUE, "CreateFile failed (%d)\n", GetLastError());
101
102     ok(!WaitNamedPipeA(PIPENAME, 1000), "WaitNamedPipe succeeded\n");
103
104     ok(GetLastError() == ERROR_SEM_TIMEOUT, "wrong error %u\n", GetLastError());
105
106     /* don't try to do i/o if one side couldn't be opened, as it hangs */
107     if (hFile != INVALID_HANDLE_VALUE) {
108         HANDLE hFile2;
109
110         /* Make sure we can read and write a few bytes in both directions */
111         memset(ibuf, 0, sizeof(ibuf));
112         ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile\n");
113         ok(written == sizeof(obuf), "write file len 1\n");
114         ok(PeekNamedPipe(hFile, NULL, 0, NULL, &readden, NULL), "Peek\n");
115         ok(readden == sizeof(obuf), "peek 1 got %d bytes\n", readden);
116         ok(ReadFile(hFile, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
117         ok(readden == sizeof(obuf), "read 1 got %d bytes\n", readden);
118         ok(memcmp(obuf, ibuf, written) == 0, "content 1 check\n");
119
120         memset(ibuf, 0, sizeof(ibuf));
121         ok(WriteFile(hFile, obuf2, sizeof(obuf2), &written, NULL), "WriteFile\n");
122         ok(written == sizeof(obuf2), "write file len 2\n");
123         ok(PeekNamedPipe(hnp, NULL, 0, NULL, &readden, NULL), "Peek\n");
124         ok(readden == sizeof(obuf2), "peek 2 got %d bytes\n", readden);
125         ok(PeekNamedPipe(hnp, (LPVOID)1, 0, NULL, &readden, NULL), "Peek\n");
126         ok(readden == sizeof(obuf2), "peek 2 got %d bytes\n", readden);
127         ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
128         ok(readden == sizeof(obuf2), "read 2 got %d bytes\n", readden);
129         ok(memcmp(obuf2, ibuf, written) == 0, "content 2 check\n");
130
131         /* Test reading of multiple writes */
132         memset(ibuf, 0, sizeof(ibuf));
133         ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile3a\n");
134         ok(written == sizeof(obuf), "write file len 3a\n");
135         ok(WriteFile(hnp, obuf2, sizeof(obuf2), &written, NULL), " WriteFile3b\n");
136         ok(written == sizeof(obuf2), "write file len 3b\n");
137         ok(PeekNamedPipe(hFile, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek3\n");
138         if (pipemode == PIPE_TYPE_BYTE) {
139             if (readden != sizeof(obuf))  /* Linux only returns the first message */
140                 ok(readden == sizeof(obuf) + sizeof(obuf2), "peek3 got %d bytes\n", readden);
141             else
142                 todo_wine ok(readden == sizeof(obuf) + sizeof(obuf2), "peek3 got %d bytes\n", readden);
143         }
144         else
145         {
146             if (readden != sizeof(obuf) + sizeof(obuf2))  /* MacOS returns both messages */
147                 ok(readden == sizeof(obuf), "peek3 got %d bytes\n", readden);
148             else
149                 todo_wine ok(readden == sizeof(obuf), "peek3 got %d bytes\n", readden);
150         }
151         if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
152             ok(avail == sizeof(obuf) + sizeof(obuf2), "peek3 got %d bytes available\n", avail);
153         pbuf = ibuf;
154         ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "pipe content 3a check\n");
155         if (pipemode == PIPE_TYPE_BYTE && readden >= sizeof(obuf)+sizeof(obuf2)) {
156             pbuf += sizeof(obuf);
157             ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "pipe content 3b check\n");
158         }
159         ok(ReadFile(hFile, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
160         ok(readden == sizeof(obuf) + sizeof(obuf2), "read 3 got %d bytes\n", readden);
161         pbuf = ibuf;
162         ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 3a check\n");
163         pbuf += sizeof(obuf);
164         ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "content 3b check\n");
165
166         /* Multiple writes in the reverse direction */
167         memset(ibuf, 0, sizeof(ibuf));
168         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile4a\n");
169         ok(written == sizeof(obuf), "write file len 4a\n");
170         ok(WriteFile(hFile, obuf2, sizeof(obuf2), &written, NULL), " WriteFile4b\n");
171         ok(written == sizeof(obuf2), "write file len 4b\n");
172         ok(PeekNamedPipe(hnp, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek4\n");
173         if (pipemode == PIPE_TYPE_BYTE) {
174             if (readden != sizeof(obuf))  /* Linux only returns the first message */
175                 /* should return all 23 bytes */
176                 ok(readden == sizeof(obuf) + sizeof(obuf2), "peek4 got %d bytes\n", readden);
177             else
178                 todo_wine ok(readden == sizeof(obuf) + sizeof(obuf2), "peek4 got %d bytes\n", readden);
179         }
180         else
181         {
182             if (readden != sizeof(obuf) + sizeof(obuf2))  /* MacOS returns both messages */
183                 ok(readden == sizeof(obuf), "peek4 got %d bytes\n", readden);
184             else
185                 todo_wine ok(readden == sizeof(obuf), "peek4 got %d bytes\n", readden);
186         }
187         if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
188             ok(avail == sizeof(obuf) + sizeof(obuf2), "peek4 got %d bytes available\n", avail);
189         pbuf = ibuf;
190         ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "pipe content 4a check\n");
191         if (pipemode == PIPE_TYPE_BYTE && readden >= sizeof(obuf)+sizeof(obuf2)) {
192             pbuf += sizeof(obuf);
193             ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "pipe content 4b check\n");
194         }
195         ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
196         if (pipemode == PIPE_TYPE_BYTE) {
197             ok(readden == sizeof(obuf) + sizeof(obuf2), "read 4 got %d bytes\n", readden);
198         }
199         else {
200             todo_wine {
201                 ok(readden == sizeof(obuf), "read 4 got %d bytes\n", readden);
202             }
203         }
204         pbuf = ibuf;
205         ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 4a check\n");
206         if (pipemode == PIPE_TYPE_BYTE) {
207             pbuf += sizeof(obuf);
208             ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "content 4b check\n");
209         }
210
211         /* Test reading of multiple writes after a mode change
212           (CreateFile always creates a byte mode pipe) */
213         lpmode = PIPE_READMODE_MESSAGE;
214         if (pipemode == PIPE_TYPE_BYTE) {
215             /* trying to change the client end of a byte pipe to message mode should fail */
216             ok(!SetNamedPipeHandleState(hFile, &lpmode, NULL, NULL), "Change mode\n");
217         }
218         else {
219             todo_wine {
220                 ok(SetNamedPipeHandleState(hFile, &lpmode, NULL, NULL), "Change mode\n");
221             }
222         
223             memset(ibuf, 0, sizeof(ibuf));
224             ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile5a\n");
225             ok(written == sizeof(obuf), "write file len 3a\n");
226             ok(WriteFile(hnp, obuf2, sizeof(obuf2), &written, NULL), " WriteFile5b\n");
227             ok(written == sizeof(obuf2), "write file len 3b\n");
228             ok(PeekNamedPipe(hFile, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek5\n");
229             if (readden != sizeof(obuf) + sizeof(obuf2))  /* MacOS returns both writes */
230                 ok(readden == sizeof(obuf), "peek5 got %d bytes\n", readden);
231             else
232                 todo_wine ok(readden == sizeof(obuf), "peek5 got %d bytes\n", readden);
233             if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
234                 ok(avail == sizeof(obuf) + sizeof(obuf2), "peek5 got %d bytes available\n", avail);
235             else
236                 todo_wine ok(avail == sizeof(obuf) + sizeof(obuf2), "peek5 got %d bytes available\n", avail);
237             pbuf = ibuf;
238             ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 5a check\n");
239             ok(ReadFile(hFile, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
240             todo_wine {
241                 ok(readden == sizeof(obuf), "read 5 got %d bytes\n", readden);
242             }
243             pbuf = ibuf;
244             ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 5a check\n");
245     
246             /* Multiple writes in the reverse direction */
247             /* the write of obuf2 from write4 should still be in the buffer */
248             ok(PeekNamedPipe(hnp, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek6a\n");
249             todo_wine {
250                 ok(readden == sizeof(obuf2), "peek6a got %d bytes\n", readden);
251                 ok(avail == sizeof(obuf2), "peek6a got %d bytes available\n", avail);
252             }
253             if (avail > 0) {
254                 ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
255                 ok(readden == sizeof(obuf2), "read 6a got %d bytes\n", readden);
256                 pbuf = ibuf;
257                 ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "content 6a check\n");
258             }
259             memset(ibuf, 0, sizeof(ibuf));
260             ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile6a\n");
261             ok(written == sizeof(obuf), "write file len 6a\n");
262             ok(WriteFile(hFile, obuf2, sizeof(obuf2), &written, NULL), " WriteFile6b\n");
263             ok(written == sizeof(obuf2), "write file len 6b\n");
264             ok(PeekNamedPipe(hnp, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek6\n");
265             if (readden != sizeof(obuf) + sizeof(obuf2))  /* MacOS returns both writes */
266                 ok(readden == sizeof(obuf), "peek6 got %d bytes\n", readden);
267             else
268                 todo_wine ok(readden == sizeof(obuf), "peek6 got %d bytes\n", readden);
269             if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
270                 ok(avail == sizeof(obuf) + sizeof(obuf2), "peek6b got %d bytes available\n", avail);
271             pbuf = ibuf;
272             ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 6a check\n");
273             ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
274             todo_wine {
275                 ok(readden == sizeof(obuf), "read 6b got %d bytes\n", readden);
276             }
277             pbuf = ibuf;
278             ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 6a check\n");
279         }
280
281         /* Picky conformance tests */
282
283         /* Verify that you can't connect to pipe again
284          * until server calls DisconnectNamedPipe+ConnectNamedPipe
285          * or creates a new pipe
286          * case 1: other client not yet closed
287          */
288         hFile2 = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
289         ok(hFile2 == INVALID_HANDLE_VALUE,
290             "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail\n");
291         ok(GetLastError() == ERROR_PIPE_BUSY,
292             "connecting to named pipe before other client closes should fail with ERROR_PIPE_BUSY\n");
293
294         ok(CloseHandle(hFile), "CloseHandle\n");
295
296         /* case 2: other client already closed */
297         hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
298         ok(hFile == INVALID_HANDLE_VALUE,
299             "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail\n");
300         ok(GetLastError() == ERROR_PIPE_BUSY,
301             "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail with ERROR_PIPE_BUSY\n");
302
303         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
304
305         /* case 3: server has called DisconnectNamedPipe but not ConnectNamed Pipe */
306         hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
307         ok(hFile == INVALID_HANDLE_VALUE,
308             "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail\n");
309         ok(GetLastError() == ERROR_PIPE_BUSY,
310             "connecting to named pipe after other client closes but before ConnectNamedPipe should fail with ERROR_PIPE_BUSY\n");
311
312         /* to be complete, we'd call ConnectNamedPipe here and loop,
313          * but by default that's blocking, so we'd either have
314          * to turn on the uncommon nonblocking mode, or
315          * use another thread.
316          */
317     }
318
319     ok(CloseHandle(hnp), "CloseHandle\n");
320
321     trace("test_CreateNamedPipe returning\n");
322 }
323
324 static void test_CreateNamedPipe_instances_must_match(void)
325 {
326     HANDLE hnp, hnp2;
327
328     /* Check no mismatch */
329     hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
330         /* nMaxInstances */ 2,
331         /* nOutBufSize */ 1024,
332         /* nInBufSize */ 1024,
333         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
334         /* lpSecurityAttrib */ NULL);
335     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
336
337     hnp2 = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
338         /* nMaxInstances */ 2,
339         /* nOutBufSize */ 1024,
340         /* nInBufSize */ 1024,
341         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
342         /* lpSecurityAttrib */ NULL);
343     ok(hnp2 != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
344
345     ok(CloseHandle(hnp), "CloseHandle\n");
346     ok(CloseHandle(hnp2), "CloseHandle\n");
347
348     /* Check nMaxInstances */
349     hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
350         /* nMaxInstances */ 1,
351         /* nOutBufSize */ 1024,
352         /* nInBufSize */ 1024,
353         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
354         /* lpSecurityAttrib */ NULL);
355     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
356
357     hnp2 = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
358         /* nMaxInstances */ 1,
359         /* nOutBufSize */ 1024,
360         /* nInBufSize */ 1024,
361         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
362         /* lpSecurityAttrib */ NULL);
363     ok(hnp2 == INVALID_HANDLE_VALUE
364         && GetLastError() == ERROR_PIPE_BUSY, "nMaxInstances not obeyed\n");
365
366     ok(CloseHandle(hnp), "CloseHandle\n");
367
368     /* Check PIPE_ACCESS_* */
369     hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
370         /* nMaxInstances */ 2,
371         /* nOutBufSize */ 1024,
372         /* nInBufSize */ 1024,
373         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
374         /* lpSecurityAttrib */ NULL);
375     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
376
377     hnp2 = CreateNamedPipe(PIPENAME, PIPE_ACCESS_INBOUND, PIPE_TYPE_BYTE | PIPE_WAIT,
378         /* nMaxInstances */ 1,
379         /* nOutBufSize */ 1024,
380         /* nInBufSize */ 1024,
381         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
382         /* lpSecurityAttrib */ NULL);
383     ok(hnp2 == INVALID_HANDLE_VALUE
384         && GetLastError() == ERROR_ACCESS_DENIED, "PIPE_ACCESS_* mismatch allowed\n");
385
386     ok(CloseHandle(hnp), "CloseHandle\n");
387
388     /* etc, etc */
389 }
390
391 /** implementation of alarm() */
392 static DWORD CALLBACK alarmThreadMain(LPVOID arg)
393 {
394     DWORD_PTR timeout = (DWORD_PTR) arg;
395     trace("alarmThreadMain\n");
396     if (WaitForSingleObject( alarm_event, timeout ) == WAIT_TIMEOUT)
397     {
398         ok(FALSE, "alarm\n");
399         ExitProcess(1);
400     }
401     return 1;
402 }
403
404 static HANDLE hnp = INVALID_HANDLE_VALUE;
405
406 /** Trivial byte echo server - disconnects after each session */
407 static DWORD CALLBACK serverThreadMain1(LPVOID arg)
408 {
409     int i;
410
411     trace("serverThreadMain1 start\n");
412     /* Set up a simple echo server */
413     hnp = CreateNamedPipe(PIPENAME "serverThreadMain1", PIPE_ACCESS_DUPLEX,
414         PIPE_TYPE_BYTE | PIPE_WAIT,
415         /* nMaxInstances */ 1,
416         /* nOutBufSize */ 1024,
417         /* nInBufSize */ 1024,
418         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
419         /* lpSecurityAttrib */ NULL);
420
421     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
422     for (i = 0; i < NB_SERVER_LOOPS; i++) {
423         char buf[512];
424         DWORD written;
425         DWORD readden;
426         DWORD success;
427
428         /* Wait for client to connect */
429         trace("Server calling ConnectNamedPipe...\n");
430         ok(ConnectNamedPipe(hnp, NULL)
431             || GetLastError() == ERROR_PIPE_CONNECTED, "ConnectNamedPipe\n");
432         trace("ConnectNamedPipe returned.\n");
433
434         /* Echo bytes once */
435         memset(buf, 0, sizeof(buf));
436
437         trace("Server reading...\n");
438         success = ReadFile(hnp, buf, sizeof(buf), &readden, NULL);
439         trace("Server done reading.\n");
440         ok(success, "ReadFile\n");
441         ok(readden, "short read\n");
442
443         trace("Server writing...\n");
444         ok(WriteFile(hnp, buf, readden, &written, NULL), "WriteFile\n");
445         trace("Server done writing.\n");
446         ok(written == readden, "write file len\n");
447
448         /* finish this connection, wait for next one */
449         ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
450         trace("Server done flushing.\n");
451         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
452         trace("Server done disconnecting.\n");
453     }
454     return 0;
455 }
456
457 /** Trivial byte echo server - closes after each connection */
458 static DWORD CALLBACK serverThreadMain2(LPVOID arg)
459 {
460     int i;
461     HANDLE hnpNext = 0;
462
463     trace("serverThreadMain2\n");
464     /* Set up a simple echo server */
465     hnp = CreateNamedPipe(PIPENAME "serverThreadMain2", PIPE_ACCESS_DUPLEX,
466         PIPE_TYPE_BYTE | PIPE_WAIT,
467         /* nMaxInstances */ 2,
468         /* nOutBufSize */ 1024,
469         /* nInBufSize */ 1024,
470         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
471         /* lpSecurityAttrib */ NULL);
472     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
473
474     for (i = 0; i < NB_SERVER_LOOPS; i++) {
475         char buf[512];
476         DWORD written;
477         DWORD readden;
478         DWORD success;
479
480         user_apc_ran = FALSE;
481         if (i == 0 && pQueueUserAPC) {
482             trace("Queueing an user APC\n"); /* verify the pipe is non alerable */
483             ok(pQueueUserAPC(&user_apc, GetCurrentThread(), 0), "QueueUserAPC failed: %d\n", GetLastError());
484         }
485
486         /* Wait for client to connect */
487         trace("Server calling ConnectNamedPipe...\n");
488         ok(ConnectNamedPipe(hnp, NULL)
489             || GetLastError() == ERROR_PIPE_CONNECTED, "ConnectNamedPipe\n");
490         trace("ConnectNamedPipe returned.\n");
491
492         /* Echo bytes once */
493         memset(buf, 0, sizeof(buf));
494
495         trace("Server reading...\n");
496         success = ReadFile(hnp, buf, sizeof(buf), &readden, NULL);
497         trace("Server done reading.\n");
498         ok(success, "ReadFile\n");
499
500         trace("Server writing...\n");
501         ok(WriteFile(hnp, buf, readden, &written, NULL), "WriteFile\n");
502         trace("Server done writing.\n");
503         ok(written == readden, "write file len\n");
504
505         /* finish this connection, wait for next one */
506         ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
507         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
508
509         ok(user_apc_ran == FALSE, "UserAPC ran, pipe using alertable io mode\n");
510
511         if (i == 0 && pQueueUserAPC)
512             SleepEx(0, TRUE); /* get rid of apc */
513
514         /* Set up next echo server */
515         hnpNext =
516             CreateNamedPipe(PIPENAME "serverThreadMain2", PIPE_ACCESS_DUPLEX,
517             PIPE_TYPE_BYTE | PIPE_WAIT,
518             /* nMaxInstances */ 2,
519             /* nOutBufSize */ 1024,
520             /* nInBufSize */ 1024,
521             /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
522             /* lpSecurityAttrib */ NULL);
523
524         ok(hnpNext != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
525
526         ok(CloseHandle(hnp), "CloseHandle\n");
527         hnp = hnpNext;
528     }
529     return 0;
530 }
531
532 /** Trivial byte echo server - uses overlapped named pipe calls */
533 static DWORD CALLBACK serverThreadMain3(LPVOID arg)
534 {
535     int i;
536     HANDLE hEvent;
537
538     trace("serverThreadMain3\n");
539     /* Set up a simple echo server */
540     hnp = CreateNamedPipe(PIPENAME "serverThreadMain3", PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
541         PIPE_TYPE_BYTE | PIPE_WAIT,
542         /* nMaxInstances */ 1,
543         /* nOutBufSize */ 1024,
544         /* nInBufSize */ 1024,
545         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
546         /* lpSecurityAttrib */ NULL);
547     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
548
549     hEvent = CreateEvent(NULL,  /* security attribute */
550         TRUE,                   /* manual reset event */
551         FALSE,                  /* initial state */
552         NULL);                  /* name */
553     ok(hEvent != NULL, "CreateEvent\n");
554
555     for (i = 0; i < NB_SERVER_LOOPS; i++) {
556         char buf[512];
557         DWORD written;
558         DWORD readden;
559         DWORD dummy;
560         DWORD success;
561         OVERLAPPED oOverlap;
562         int letWFSOEwait = (i & 2);
563         int letGORwait = (i & 1);
564         DWORD err;
565
566         memset(&oOverlap, 0, sizeof(oOverlap));
567         oOverlap.hEvent = hEvent;
568
569         /* Wait for client to connect */
570         if (i == 0) {
571             trace("Server calling non-overlapped ConnectNamedPipe on overlapped pipe...\n");
572             success = ConnectNamedPipe(hnp, NULL);
573             err = GetLastError();
574             ok(success || (err == ERROR_PIPE_CONNECTED), "ConnectNamedPipe failed: %d\n", err);
575             trace("ConnectNamedPipe operation complete.\n");
576         } else {
577             trace("Server calling overlapped ConnectNamedPipe...\n");
578             success = ConnectNamedPipe(hnp, &oOverlap);
579             err = GetLastError();
580             ok(!success && (err == ERROR_IO_PENDING || err == ERROR_PIPE_CONNECTED), "overlapped ConnectNamedPipe\n");
581             trace("overlapped ConnectNamedPipe returned.\n");
582             if (!success && (err == ERROR_IO_PENDING)) {
583                 if (letWFSOEwait)
584                 {
585                     DWORD ret;
586                     do {
587                         ret = WaitForSingleObjectEx(hEvent, INFINITE, TRUE);
588                     } while (ret == WAIT_IO_COMPLETION);
589                     ok(ret == 0, "wait ConnectNamedPipe returned %x\n", ret);
590                 }
591                 success = GetOverlappedResult(hnp, &oOverlap, &dummy, letGORwait);
592                 if (!letGORwait && !letWFSOEwait && !success) {
593                     ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
594                     success = GetOverlappedResult(hnp, &oOverlap, &dummy, TRUE);
595                 }
596             }
597             ok(success || (err == ERROR_PIPE_CONNECTED), "GetOverlappedResult ConnectNamedPipe\n");
598             trace("overlapped ConnectNamedPipe operation complete.\n");
599         }
600
601         /* Echo bytes once */
602         memset(buf, 0, sizeof(buf));
603
604         trace("Server reading...\n");
605         success = ReadFile(hnp, buf, sizeof(buf), &readden, &oOverlap);
606         trace("Server ReadFile returned...\n");
607         err = GetLastError();
608         ok(success || err == ERROR_IO_PENDING, "overlapped ReadFile\n");
609         trace("overlapped ReadFile returned.\n");
610         if (!success && (err == ERROR_IO_PENDING)) {
611             if (letWFSOEwait)
612             {
613                 DWORD ret;
614                 do {
615                     ret = WaitForSingleObjectEx(hEvent, INFINITE, TRUE);
616                 } while (ret == WAIT_IO_COMPLETION);
617                 ok(ret == 0, "wait ReadFile returned %x\n", ret);
618             }
619             success = GetOverlappedResult(hnp, &oOverlap, &readden, letGORwait);
620             if (!letGORwait && !letWFSOEwait && !success) {
621                 ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
622                 success = GetOverlappedResult(hnp, &oOverlap, &readden, TRUE);
623             }
624         }
625         trace("Server done reading.\n");
626         ok(success, "overlapped ReadFile\n");
627
628         trace("Server writing...\n");
629         success = WriteFile(hnp, buf, readden, &written, &oOverlap);
630         trace("Server WriteFile returned...\n");
631         err = GetLastError();
632         ok(success || err == ERROR_IO_PENDING, "overlapped WriteFile\n");
633         trace("overlapped WriteFile returned.\n");
634         if (!success && (err == ERROR_IO_PENDING)) {
635             if (letWFSOEwait)
636             {
637                 DWORD ret;
638                 do {
639                     ret = WaitForSingleObjectEx(hEvent, INFINITE, TRUE);
640                 } while (ret == WAIT_IO_COMPLETION);
641                 ok(ret == 0, "wait WriteFile returned %x\n", ret);
642             }
643             success = GetOverlappedResult(hnp, &oOverlap, &written, letGORwait);
644             if (!letGORwait && !letWFSOEwait && !success) {
645                 ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
646                 success = GetOverlappedResult(hnp, &oOverlap, &written, TRUE);
647             }
648         }
649         trace("Server done writing.\n");
650         ok(success, "overlapped WriteFile\n");
651         ok(written == readden, "write file len\n");
652
653         /* finish this connection, wait for next one */
654         ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
655         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
656     }
657     return 0;
658 }
659
660 /** Trivial byte echo server - uses i/o completion ports */
661 static DWORD CALLBACK serverThreadMain4(LPVOID arg)
662 {
663     int i;
664     HANDLE hcompletion;
665     BOOL ret;
666
667     trace("serverThreadMain4\n");
668     /* Set up a simple echo server */
669     hnp = CreateNamedPipe(PIPENAME "serverThreadMain4", PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
670         PIPE_TYPE_BYTE | PIPE_WAIT,
671         /* nMaxInstances */ 1,
672         /* nOutBufSize */ 1024,
673         /* nInBufSize */ 1024,
674         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
675         /* lpSecurityAttrib */ NULL);
676     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
677
678     hcompletion = CreateIoCompletionPort(hnp, NULL, 12345, 1);
679     ok(hcompletion != NULL, "CreateIoCompletionPort failed, error=%i\n", GetLastError());
680
681     for (i = 0; i < NB_SERVER_LOOPS; i++) {
682         char buf[512];
683         DWORD written;
684         DWORD readden;
685         DWORD dummy;
686         DWORD success;
687         OVERLAPPED oConnect;
688         OVERLAPPED oRead;
689         OVERLAPPED oWrite;
690         OVERLAPPED *oResult;
691         DWORD err;
692         ULONG_PTR compkey;
693
694         memset(&oConnect, 0, sizeof(oConnect));
695         memset(&oRead, 0, sizeof(oRead));
696         memset(&oWrite, 0, sizeof(oWrite));
697
698         /* Wait for client to connect */
699         trace("Server calling overlapped ConnectNamedPipe...\n");
700         success = ConnectNamedPipe(hnp, &oConnect);
701         err = GetLastError();
702         ok(!success && (err == ERROR_IO_PENDING || err == ERROR_PIPE_CONNECTED),
703            "overlapped ConnectNamedPipe got %u err %u\n", success, err );
704         if (!success && err == ERROR_IO_PENDING) {
705             trace("ConnectNamedPipe GetQueuedCompletionStatus\n");
706             success = GetQueuedCompletionStatus(hcompletion, &dummy, &compkey, &oResult, 0);
707             if (!success)
708             {
709                 ok( GetLastError() == WAIT_TIMEOUT,
710                     "ConnectNamedPipe GetQueuedCompletionStatus wrong error %u\n", GetLastError());
711                 success = GetQueuedCompletionStatus(hcompletion, &dummy, &compkey, &oResult, 10000);
712             }
713             ok(success, "ConnectNamedPipe GetQueuedCompletionStatus failed, errno=%i\n", GetLastError());
714             if (success)
715             {
716                 ok(compkey == 12345, "got completion key %i instead of 12345\n", (int)compkey);
717                 ok(oResult == &oConnect, "got overlapped pointer %p instead of %p\n", oResult, &oConnect);
718             }
719         }
720         trace("overlapped ConnectNamedPipe operation complete.\n");
721
722         /* Echo bytes once */
723         memset(buf, 0, sizeof(buf));
724
725         trace("Server reading...\n");
726         success = ReadFile(hnp, buf, sizeof(buf), &readden, &oRead);
727         trace("Server ReadFile returned...\n");
728         err = GetLastError();
729         ok(success || err == ERROR_IO_PENDING, "overlapped ReadFile, err=%i\n", err);
730         success = GetQueuedCompletionStatus(hcompletion, &readden, &compkey,
731             &oResult, 10000);
732         ok(success, "ReadFile GetQueuedCompletionStatus failed, errno=%i\n", GetLastError());
733         if (success)
734         {
735             ok(compkey == 12345, "got completion key %i instead of 12345\n", (int)compkey);
736             ok(oResult == &oRead, "got overlapped pointer %p instead of %p\n", oResult, &oRead);
737         }
738         trace("Server done reading.\n");
739
740         trace("Server writing...\n");
741         success = WriteFile(hnp, buf, readden, &written, &oWrite);
742         trace("Server WriteFile returned...\n");
743         err = GetLastError();
744         ok(success || err == ERROR_IO_PENDING, "overlapped WriteFile failed, err=%u\n", err);
745         success = GetQueuedCompletionStatus(hcompletion, &written, &compkey,
746             &oResult, 10000);
747         ok(success, "WriteFile GetQueuedCompletionStatus failed, errno=%i\n", GetLastError());
748         if (success)
749         {
750             ok(compkey == 12345, "got completion key %i instead of 12345\n", (int)compkey);
751             ok(oResult == &oWrite, "got overlapped pointer %p instead of %p\n", oResult, &oWrite);
752             ok(written == readden, "write file len\n");
753         }
754         trace("Server done writing.\n");
755
756         /* finish this connection, wait for next one */
757         ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
758         success = DisconnectNamedPipe(hnp);
759         ok(success, "DisconnectNamedPipe failed, err %u\n", GetLastError());
760     }
761
762     ret = CloseHandle(hnp);
763     ok(ret, "CloseHandle named pipe failed, err=%i\n", GetLastError());
764     ret = CloseHandle(hcompletion);
765     ok(ret, "CloseHandle completion failed, err=%i\n", GetLastError());
766
767     return 0;
768 }
769
770 static void exercizeServer(const char *pipename, HANDLE serverThread)
771 {
772     int i;
773
774     trace("exercizeServer starting\n");
775     for (i = 0; i < NB_SERVER_LOOPS; i++) {
776         HANDLE hFile=INVALID_HANDLE_VALUE;
777         static const char obuf[] = "Bit Bucket";
778         char ibuf[32];
779         DWORD written;
780         DWORD readden;
781         int loop;
782
783         for (loop = 0; loop < 3; loop++) {
784             DWORD err;
785             trace("Client connecting...\n");
786             /* Connect to the server */
787             hFile = CreateFileA(pipename, GENERIC_READ | GENERIC_WRITE, 0,
788                 NULL, OPEN_EXISTING, 0, 0);
789             if (hFile != INVALID_HANDLE_VALUE)
790                 break;
791             err = GetLastError();
792             if (loop == 0)
793                 ok(err == ERROR_PIPE_BUSY || err == ERROR_FILE_NOT_FOUND, "connecting to pipe\n");
794             else
795                 ok(err == ERROR_PIPE_BUSY, "connecting to pipe\n");
796             trace("connect failed, retrying\n");
797             Sleep(200);
798         }
799         ok(hFile != INVALID_HANDLE_VALUE, "client opening named pipe\n");
800
801         /* Make sure it can echo */
802         memset(ibuf, 0, sizeof(ibuf));
803         trace("Client writing...\n");
804         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile to client end of pipe\n");
805         ok(written == sizeof(obuf), "write file len\n");
806         trace("Client reading...\n");
807         ok(ReadFile(hFile, ibuf, sizeof(obuf), &readden, NULL), "ReadFile from client end of pipe\n");
808         ok(readden == sizeof(obuf), "read file len\n");
809         ok(memcmp(obuf, ibuf, written) == 0, "content check\n");
810
811         trace("Client closing...\n");
812         ok(CloseHandle(hFile), "CloseHandle\n");
813     }
814
815     ok(WaitForSingleObject(serverThread,INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject\n");
816     CloseHandle(hnp);
817     trace("exercizeServer returning\n");
818 }
819
820 static void test_NamedPipe_2(void)
821 {
822     HANDLE serverThread;
823     DWORD serverThreadId;
824     HANDLE alarmThread;
825     DWORD alarmThreadId;
826
827     trace("test_NamedPipe_2 starting\n");
828     /* Set up a twenty second timeout */
829     alarm_event = CreateEvent( NULL, TRUE, FALSE, NULL );
830     SetLastError(0xdeadbeef);
831     alarmThread = CreateThread(NULL, 0, alarmThreadMain, (void *) 20000, 0, &alarmThreadId);
832     ok(alarmThread != NULL, "CreateThread failed: %d\n", GetLastError());
833
834     /* The servers we're about to exercise do try to clean up carefully,
835      * but to reduce the chance of a test failure due to a pipe handle
836      * leak in the test code, we'll use a different pipe name for each server.
837      */
838
839     /* Try server #1 */
840     SetLastError(0xdeadbeef);
841     serverThread = CreateThread(NULL, 0, serverThreadMain1, (void *)8, 0, &serverThreadId);
842     ok(serverThread != NULL, "CreateThread failed: %d\n", GetLastError());
843     exercizeServer(PIPENAME "serverThreadMain1", serverThread);
844
845     /* Try server #2 */
846     SetLastError(0xdeadbeef);
847     serverThread = CreateThread(NULL, 0, serverThreadMain2, 0, 0, &serverThreadId);
848     ok(serverThread != NULL, "CreateThread failed: %d\n", GetLastError());
849     exercizeServer(PIPENAME "serverThreadMain2", serverThread);
850
851     /* Try server #3 */
852     SetLastError(0xdeadbeef);
853     serverThread = CreateThread(NULL, 0, serverThreadMain3, 0, 0, &serverThreadId);
854     ok(serverThread != NULL, "CreateThread failed: %d\n", GetLastError());
855     exercizeServer(PIPENAME "serverThreadMain3", serverThread);
856
857     /* Try server #4 */
858     SetLastError(0xdeadbeef);
859     serverThread = CreateThread(NULL, 0, serverThreadMain4, 0, 0, &serverThreadId);
860     ok(serverThread != NULL, "CreateThread failed: %d\n", GetLastError());
861     exercizeServer(PIPENAME "serverThreadMain4", serverThread);
862
863     ok(SetEvent( alarm_event ), "SetEvent\n");
864     CloseHandle( alarm_event );
865     trace("test_NamedPipe_2 returning\n");
866 }
867
868 static int test_DisconnectNamedPipe(void)
869 {
870     HANDLE hnp;
871     HANDLE hFile;
872     static const char obuf[] = "Bit Bucket";
873     char ibuf[32];
874     DWORD written;
875     DWORD readden;
876     DWORD ret;
877
878     SetLastError(0xdeadbeef);
879     hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
880         /* nMaxInstances */ 1,
881         /* nOutBufSize */ 1024,
882         /* nInBufSize */ 1024,
883         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
884         /* lpSecurityAttrib */ NULL);
885     if ((hnp == INVALID_HANDLE_VALUE /* Win98 */ || !hnp /* Win95 */)
886         && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
887
888         win_skip("Named pipes are not implemented\n");
889         return 1;
890     }
891
892     ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL) == 0
893         && GetLastError() == ERROR_PIPE_LISTENING, "WriteFile to not-yet-connected pipe\n");
894     ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
895         && GetLastError() == ERROR_PIPE_LISTENING, "ReadFile from not-yet-connected pipe\n");
896
897     hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
898     ok(hFile != INVALID_HANDLE_VALUE, "CreateFile failed\n");
899
900     /* don't try to do i/o if one side couldn't be opened, as it hangs */
901     if (hFile != INVALID_HANDLE_VALUE) {
902
903         /* see what happens if server calls DisconnectNamedPipe
904          * when there are bytes in the pipe
905          */
906
907         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile\n");
908         ok(written == sizeof(obuf), "write file len\n");
909         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe while messages waiting\n");
910         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL) == 0
911             && GetLastError() == ERROR_PIPE_NOT_CONNECTED, "WriteFile to disconnected pipe\n");
912         ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
913             && GetLastError() == ERROR_PIPE_NOT_CONNECTED,
914             "ReadFile from disconnected pipe with bytes waiting\n");
915         ok(!DisconnectNamedPipe(hnp) && GetLastError() == ERROR_PIPE_NOT_CONNECTED,
916            "DisconnectNamedPipe worked twice\n");
917         ret = WaitForSingleObject(hFile, 0);
918         ok(ret == WAIT_TIMEOUT, "WaitForSingleObject returned %X\n", ret);
919         ok(CloseHandle(hFile), "CloseHandle\n");
920     }
921
922     ok(CloseHandle(hnp), "CloseHandle\n");
923
924     return 0;
925 }
926 static void test_CreatePipe(void)
927 {
928     SECURITY_ATTRIBUTES pipe_attr;
929     HANDLE piperead, pipewrite;
930     DWORD written;
931     DWORD read;
932     DWORD i, size;
933     BYTE *buffer;
934     char readbuf[32];
935
936     user_apc_ran = FALSE;
937     if (pQueueUserAPC)
938         ok(pQueueUserAPC(user_apc, GetCurrentThread(), 0), "couldn't create user apc\n");
939
940     pipe_attr.nLength = sizeof(SECURITY_ATTRIBUTES); 
941     pipe_attr.bInheritHandle = TRUE; 
942     pipe_attr.lpSecurityDescriptor = NULL;
943     ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, 0) != 0, "CreatePipe failed\n");
944     ok(WriteFile(pipewrite,PIPENAME,sizeof(PIPENAME), &written, NULL), "Write to anonymous pipe failed\n");
945     ok(written == sizeof(PIPENAME), "Write to anonymous pipe wrote %d bytes\n", written);
946     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL), "Read from non empty pipe failed\n");
947     ok(read == sizeof(PIPENAME), "Read from  anonymous pipe got %d bytes\n", read);
948     ok(CloseHandle(pipewrite), "CloseHandle for the write pipe failed\n");
949     ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
950
951     /* Now write another chunk*/
952     ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, 0) != 0, "CreatePipe failed\n");
953     ok(WriteFile(pipewrite,PIPENAME,sizeof(PIPENAME), &written, NULL), "Write to anonymous pipe failed\n");
954     ok(written == sizeof(PIPENAME), "Write to anonymous pipe wrote %d bytes\n", written);
955     /* and close the write end, read should still succeed*/
956     ok(CloseHandle(pipewrite), "CloseHandle for the Write Pipe failed\n");
957     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL), "Read from broken pipe withe with pending data failed\n");
958     ok(read == sizeof(PIPENAME), "Read from  anonymous pipe got %d bytes\n", read);
959     /* But now we need to get informed that the pipe is closed */
960     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL) == 0, "Broken pipe not detected\n");
961     ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
962
963     /* Try bigger chunks */
964     size = 32768;
965     buffer = HeapAlloc( GetProcessHeap(), 0, size );
966     for (i = 0; i < size; i++) buffer[i] = i;
967     ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, (size + 24)) != 0, "CreatePipe failed\n");
968     ok(WriteFile(pipewrite, buffer, size, &written, NULL), "Write to anonymous pipe failed\n");
969     ok(written == size, "Write to anonymous pipe wrote %d bytes\n", written);
970     /* and close the write end, read should still succeed*/
971     ok(CloseHandle(pipewrite), "CloseHandle for the Write Pipe failed\n");
972     memset( buffer, 0, size );
973     ok(ReadFile(piperead, buffer, size, &read, NULL), "Read from broken pipe withe with pending data failed\n");
974     ok(read == size, "Read from  anonymous pipe got %d bytes\n", read);
975     for (i = 0; i < size; i++) ok( buffer[i] == (BYTE)i, "invalid data %x at %x\n", buffer[i], i );
976     /* But now we need to get informed that the pipe is closed */
977     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL) == 0, "Broken pipe not detected\n");
978     ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
979     HeapFree(GetProcessHeap(), 0, buffer);
980
981     ok(user_apc_ran == FALSE, "user apc ran, pipe using alertable io mode\n");
982     SleepEx(0, TRUE); /* get rid of apc */
983 }
984
985 struct named_pipe_client_params
986 {
987     DWORD security_flags;
988     HANDLE token;
989     BOOL revert;
990 };
991
992 #define PIPE_NAME "\\\\.\\pipe\\named_pipe_test"
993
994 static DWORD CALLBACK named_pipe_client_func(LPVOID p)
995 {
996     struct named_pipe_client_params *params = p;
997     HANDLE pipe;
998     BOOL ret;
999     const char message[] = "Test";
1000     DWORD bytes_read, bytes_written;
1001     char dummy;
1002     TOKEN_PRIVILEGES *Privileges = NULL;
1003
1004     if (params->token)
1005     {
1006         if (params->revert)
1007         {
1008             /* modify the token so we can tell if the pipe impersonation
1009              * token reverts to the process token */
1010             ret = AdjustTokenPrivileges(params->token, TRUE, NULL, 0, NULL, NULL);
1011             ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
1012         }
1013         ret = SetThreadToken(NULL, params->token);
1014         ok(ret, "SetThreadToken failed with error %d\n", GetLastError());
1015     }
1016     else
1017     {
1018         DWORD Size = 0;
1019         HANDLE process_token;
1020
1021         ret = OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY|TOKEN_ADJUST_PRIVILEGES, &process_token);
1022         ok(ret, "OpenProcessToken failed with error %d\n", GetLastError());
1023
1024         ret = GetTokenInformation(process_token, TokenPrivileges, NULL, 0, &Size);
1025         ok(!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetTokenInformation(TokenPrivileges) failed with %d\n", GetLastError());
1026         Privileges = HeapAlloc(GetProcessHeap(), 0, Size);
1027         ret = GetTokenInformation(process_token, TokenPrivileges, Privileges, Size, &Size);
1028         ok(ret, "GetTokenInformation(TokenPrivileges) failed with %d\n", GetLastError());
1029
1030         ret = AdjustTokenPrivileges(process_token, TRUE, NULL, 0, NULL, NULL);
1031         ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
1032
1033         CloseHandle(process_token);
1034     }
1035
1036     pipe = CreateFile(PIPE_NAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, params->security_flags, NULL);
1037     ok(pipe != INVALID_HANDLE_VALUE, "CreateFile for pipe failed with error %d\n", GetLastError());
1038
1039     ret = WriteFile(pipe, message, sizeof(message), &bytes_written, NULL);
1040     ok(ret, "WriteFile failed with error %d\n", GetLastError());
1041
1042     ret = ReadFile(pipe, &dummy, sizeof(dummy), &bytes_read, NULL);
1043     ok(ret, "ReadFile failed with error %d\n", GetLastError());
1044
1045     if (params->token)
1046     {
1047         if (params->revert)
1048         {
1049             ret = RevertToSelf();
1050             ok(ret, "RevertToSelf failed with error %d\n", GetLastError());
1051         }
1052         else
1053         {
1054             ret = AdjustTokenPrivileges(params->token, TRUE, NULL, 0, NULL, NULL);
1055             ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
1056         }
1057     }
1058     else
1059     {
1060         HANDLE process_token;
1061
1062         ret = OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &process_token);
1063         ok(ret, "OpenProcessToken failed with error %d\n", GetLastError());
1064
1065         ret = AdjustTokenPrivileges(process_token, FALSE, Privileges, 0, NULL, NULL);
1066         ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
1067
1068         HeapFree(GetProcessHeap(), 0, Privileges);
1069
1070         CloseHandle(process_token);
1071     }
1072
1073     ret = WriteFile(pipe, message, sizeof(message), &bytes_written, NULL);
1074     ok(ret, "WriteFile failed with error %d\n", GetLastError());
1075
1076     ret = ReadFile(pipe, &dummy, sizeof(dummy), &bytes_read, NULL);
1077     ok(ret, "ReadFile failed with error %d\n", GetLastError());
1078
1079     CloseHandle(pipe);
1080
1081     return 0;
1082 }
1083
1084 static HANDLE make_impersonation_token(DWORD Access, SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
1085 {
1086     HANDLE ProcessToken;
1087     HANDLE Token = NULL;
1088     BOOL ret;
1089
1090     ret = OpenProcessToken(GetCurrentProcess(), TOKEN_DUPLICATE, &ProcessToken);
1091     ok(ret, "OpenProcessToken failed with error %d\n", GetLastError());
1092
1093     ret = pDuplicateTokenEx(ProcessToken, Access, NULL, ImpersonationLevel, TokenImpersonation, &Token);
1094     ok(ret, "DuplicateToken failed with error %d\n", GetLastError());
1095
1096     CloseHandle(ProcessToken);
1097
1098     return Token;
1099 }
1100
1101 static void test_ImpersonateNamedPipeClient(HANDLE hClientToken, DWORD security_flags, BOOL revert, void (*test_func)(int, HANDLE))
1102 {
1103     HANDLE hPipeServer;
1104     BOOL ret;
1105     DWORD dwTid;
1106     HANDLE hThread;
1107     char buffer[256];
1108     DWORD dwBytesRead;
1109     DWORD error;
1110     struct named_pipe_client_params params;
1111     char dummy = 0;
1112     DWORD dwBytesWritten;
1113     HANDLE hToken = NULL;
1114     SECURITY_IMPERSONATION_LEVEL ImpersonationLevel;
1115     DWORD size;
1116
1117     hPipeServer = CreateNamedPipe(PIPE_NAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT, 1, 100, 100, NMPWAIT_USE_DEFAULT_WAIT, NULL);
1118     ok(hPipeServer != INVALID_HANDLE_VALUE, "CreateNamedPipe failed with error %d\n", GetLastError());
1119
1120     params.security_flags = security_flags;
1121     params.token = hClientToken;
1122     params.revert = revert;
1123     hThread = CreateThread(NULL, 0, named_pipe_client_func, &params, 0, &dwTid);
1124     ok(hThread != NULL, "CreateThread failed with error %d\n", GetLastError());
1125
1126     SetLastError(0xdeadbeef);
1127     ret = ImpersonateNamedPipeClient(hPipeServer);
1128     error = GetLastError();
1129     ok(ret /* win2k3 */ || (error == ERROR_CANNOT_IMPERSONATE),
1130        "ImpersonateNamedPipeClient should have failed with ERROR_CANNOT_IMPERSONATE instead of %d\n", GetLastError());
1131
1132     ret = ConnectNamedPipe(hPipeServer, NULL);
1133     ok(ret || (GetLastError() == ERROR_PIPE_CONNECTED), "ConnectNamedPipe failed with error %d\n", GetLastError());
1134
1135     ret = ReadFile(hPipeServer, buffer, sizeof(buffer), &dwBytesRead, NULL);
1136     ok(ret, "ReadFile failed with error %d\n", GetLastError());
1137
1138     ret = ImpersonateNamedPipeClient(hPipeServer);
1139     ok(ret, "ImpersonateNamedPipeClient failed with error %d\n", GetLastError());
1140
1141     ret = OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &hToken);
1142     ok(ret, "OpenThreadToken failed with error %d\n", GetLastError());
1143
1144     (*test_func)(0, hToken);
1145
1146     ImpersonationLevel = 0xdeadbeef; /* to avoid false positives */
1147     ret = GetTokenInformation(hToken, TokenImpersonationLevel, &ImpersonationLevel, sizeof(ImpersonationLevel), &size);
1148     ok(ret, "GetTokenInformation(TokenImpersonationLevel) failed with error %d\n", GetLastError());
1149     ok(ImpersonationLevel == SecurityImpersonation, "ImpersonationLevel should have been SecurityImpersonation(%d) instead of %d\n", SecurityImpersonation, ImpersonationLevel);
1150
1151     CloseHandle(hToken);
1152
1153     RevertToSelf();
1154
1155     ret = WriteFile(hPipeServer, &dummy, sizeof(dummy), &dwBytesWritten, NULL);
1156     ok(ret, "WriteFile failed with error %d\n", GetLastError());
1157
1158     ret = ReadFile(hPipeServer, buffer, sizeof(buffer), &dwBytesRead, NULL);
1159     ok(ret, "ReadFile failed with error %d\n", GetLastError());
1160
1161     ret = ImpersonateNamedPipeClient(hPipeServer);
1162     ok(ret, "ImpersonateNamedPipeClient failed with error %d\n", GetLastError());
1163
1164     ret = OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &hToken);
1165     ok(ret, "OpenThreadToken failed with error %d\n", GetLastError());
1166
1167     (*test_func)(1, hToken);
1168
1169     CloseHandle(hToken);
1170
1171     RevertToSelf();
1172
1173     ret = WriteFile(hPipeServer, &dummy, sizeof(dummy), &dwBytesWritten, NULL);
1174     ok(ret, "WriteFile failed with error %d\n", GetLastError());
1175
1176     WaitForSingleObject(hThread, INFINITE);
1177
1178     ret = ImpersonateNamedPipeClient(hPipeServer);
1179     ok(ret, "ImpersonateNamedPipeClient failed with error %d\n", GetLastError());
1180
1181     RevertToSelf();
1182
1183     CloseHandle(hThread);
1184     CloseHandle(hPipeServer);
1185 }
1186
1187 static BOOL are_all_privileges_disabled(HANDLE hToken)
1188 {
1189     BOOL ret;
1190     TOKEN_PRIVILEGES *Privileges = NULL;
1191     DWORD Size = 0;
1192     BOOL all_privs_disabled = TRUE;
1193     DWORD i;
1194
1195     ret = GetTokenInformation(hToken, TokenPrivileges, NULL, 0, &Size);
1196     if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1197     {
1198         Privileges = HeapAlloc(GetProcessHeap(), 0, Size);
1199         ret = GetTokenInformation(hToken, TokenPrivileges, Privileges, Size, &Size);
1200         if (!ret)
1201         {
1202             HeapFree(GetProcessHeap(), 0, Privileges);
1203             return FALSE;
1204         }
1205     }
1206     else
1207         return FALSE;
1208
1209     for (i = 0; i < Privileges->PrivilegeCount; i++)
1210     {
1211         if (Privileges->Privileges[i].Attributes & SE_PRIVILEGE_ENABLED)
1212         {
1213             all_privs_disabled = FALSE;
1214             break;
1215         }
1216     }
1217
1218     HeapFree(GetProcessHeap(), 0, Privileges);
1219
1220     return all_privs_disabled;
1221 }
1222
1223 static DWORD get_privilege_count(HANDLE hToken)
1224 {
1225     TOKEN_STATISTICS Statistics;
1226     DWORD Size = sizeof(Statistics);
1227     BOOL ret;
1228
1229     ret = GetTokenInformation(hToken, TokenStatistics, &Statistics, Size, &Size);
1230     ok(ret, "GetTokenInformation(TokenStatistics)\n");
1231     if (!ret) return -1;
1232
1233     return Statistics.PrivilegeCount;
1234 }
1235
1236 static void test_no_sqos_no_token(int call_index, HANDLE hToken)
1237 {
1238     DWORD priv_count;
1239
1240     switch (call_index)
1241     {
1242     case 0:
1243         priv_count = get_privilege_count(hToken);
1244         todo_wine
1245         ok(priv_count == 0, "privilege count should have been 0 instead of %d\n", priv_count);
1246         break;
1247     case 1:
1248         priv_count = get_privilege_count(hToken);
1249         ok(priv_count > 0, "privilege count should now be > 0 instead of 0\n");
1250         ok(!are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1251         break;
1252     default:
1253         ok(0, "shouldn't happen\n");
1254     }
1255 }
1256
1257 static void test_no_sqos(int call_index, HANDLE hToken)
1258 {
1259     switch (call_index)
1260     {
1261     case 0:
1262         ok(!are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1263         break;
1264     case 1:
1265         todo_wine
1266         ok(are_all_privileges_disabled(hToken), "impersonated token should have been modified\n");
1267         break;
1268     default:
1269         ok(0, "shouldn't happen\n");
1270     }
1271 }
1272
1273 static void test_static_context(int call_index, HANDLE hToken)
1274 {
1275     switch (call_index)
1276     {
1277     case 0:
1278         ok(!are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1279         break;
1280     case 1:
1281         ok(!are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1282         break;
1283     default:
1284         ok(0, "shouldn't happen\n");
1285     }
1286 }
1287
1288 static void test_dynamic_context(int call_index, HANDLE hToken)
1289 {
1290     switch (call_index)
1291     {
1292     case 0:
1293         ok(!are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1294         break;
1295     case 1:
1296         todo_wine
1297         ok(are_all_privileges_disabled(hToken), "impersonated token should have been modified\n");
1298         break;
1299     default:
1300         ok(0, "shouldn't happen\n");
1301     }
1302 }
1303
1304 static void test_dynamic_context_no_token(int call_index, HANDLE hToken)
1305 {
1306     switch (call_index)
1307     {
1308     case 0:
1309         ok(are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1310         break;
1311     case 1:
1312         ok(!are_all_privileges_disabled(hToken), "process token modification should have been detected and impersonation token updated\n");
1313         break;
1314     default:
1315         ok(0, "shouldn't happen\n");
1316     }
1317 }
1318
1319 static void test_no_sqos_revert(int call_index, HANDLE hToken)
1320 {
1321     DWORD priv_count;
1322     switch (call_index)
1323     {
1324     case 0:
1325         priv_count = get_privilege_count(hToken);
1326         todo_wine
1327         ok(priv_count == 0, "privilege count should have been 0 instead of %d\n", priv_count);
1328         break;
1329     case 1:
1330         priv_count = get_privilege_count(hToken);
1331         ok(priv_count > 0, "privilege count should now be > 0 instead of 0\n");
1332         ok(!are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1333         break;
1334     default:
1335         ok(0, "shouldn't happen\n");
1336     }
1337 }
1338
1339 static void test_static_context_revert(int call_index, HANDLE hToken)
1340 {
1341     switch (call_index)
1342     {
1343     case 0:
1344         todo_wine
1345         ok(are_all_privileges_disabled(hToken), "privileges should have been disabled\n");
1346         break;
1347     case 1:
1348         todo_wine
1349         ok(are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1350         break;
1351     default:
1352         ok(0, "shouldn't happen\n");
1353     }
1354 }
1355
1356 static void test_dynamic_context_revert(int call_index, HANDLE hToken)
1357 {
1358     switch (call_index)
1359     {
1360     case 0:
1361         todo_wine
1362         ok(are_all_privileges_disabled(hToken), "privileges should have been disabled\n");
1363         break;
1364     case 1:
1365         ok(!are_all_privileges_disabled(hToken), "impersonated token should now be process token\n");
1366         break;
1367     default:
1368         ok(0, "shouldn't happen\n");
1369     }
1370 }
1371
1372 static void test_impersonation(void)
1373 {
1374     HANDLE hClientToken;
1375     HANDLE hProcessToken;
1376     BOOL ret;
1377
1378     if( !pDuplicateTokenEx ) {
1379         skip("DuplicateTokenEx not found\n");
1380         return;
1381     }
1382
1383     ret = OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hProcessToken);
1384     if (!ret)
1385     {
1386         skip("couldn't open process token, skipping impersonation tests\n");
1387         return;
1388     }
1389
1390     if (!get_privilege_count(hProcessToken) || are_all_privileges_disabled(hProcessToken))
1391     {
1392         skip("token didn't have any privileges or they were all disabled. token not suitable for impersonation tests\n");
1393         CloseHandle(hProcessToken);
1394         return;
1395     }
1396     CloseHandle(hProcessToken);
1397
1398     test_ImpersonateNamedPipeClient(NULL, 0, FALSE, test_no_sqos_no_token);
1399     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1400     test_ImpersonateNamedPipeClient(hClientToken, 0, FALSE, test_no_sqos);
1401     CloseHandle(hClientToken);
1402     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1403     test_ImpersonateNamedPipeClient(hClientToken,
1404         SECURITY_SQOS_PRESENT | SECURITY_IMPERSONATION, FALSE,
1405         test_static_context);
1406     CloseHandle(hClientToken);
1407     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1408     test_ImpersonateNamedPipeClient(hClientToken,
1409         SECURITY_SQOS_PRESENT | SECURITY_CONTEXT_TRACKING | SECURITY_IMPERSONATION,
1410         FALSE, test_dynamic_context);
1411     CloseHandle(hClientToken);
1412     test_ImpersonateNamedPipeClient(NULL,
1413         SECURITY_SQOS_PRESENT | SECURITY_CONTEXT_TRACKING | SECURITY_IMPERSONATION,
1414         FALSE, test_dynamic_context_no_token);
1415
1416     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1417     test_ImpersonateNamedPipeClient(hClientToken, 0, TRUE, test_no_sqos_revert);
1418     CloseHandle(hClientToken);
1419     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1420     test_ImpersonateNamedPipeClient(hClientToken,
1421         SECURITY_SQOS_PRESENT | SECURITY_IMPERSONATION, TRUE,
1422         test_static_context_revert);
1423     CloseHandle(hClientToken);
1424     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1425     test_ImpersonateNamedPipeClient(hClientToken,
1426         SECURITY_SQOS_PRESENT | SECURITY_CONTEXT_TRACKING | SECURITY_IMPERSONATION,
1427         TRUE, test_dynamic_context_revert);
1428     CloseHandle(hClientToken);
1429 }
1430
1431 struct overlapped_server_args
1432 {
1433     HANDLE pipe_created;
1434 };
1435
1436 static DWORD CALLBACK overlapped_server(LPVOID arg)
1437 {
1438     OVERLAPPED ol;
1439     HANDLE pipe;
1440     int ret, err;
1441     struct overlapped_server_args *a = arg;
1442     DWORD num;
1443     char buf[100];
1444
1445     pipe = CreateNamedPipeA("\\\\.\\pipe\\my pipe", FILE_FLAG_OVERLAPPED | PIPE_ACCESS_DUPLEX, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, 1, 0, 0, 100000, NULL);
1446     ok(pipe != NULL, "pipe NULL\n");
1447
1448     ol.hEvent = CreateEventA(0, 1, 0, 0);
1449     ok(ol.hEvent != NULL, "event NULL\n");
1450     ret = ConnectNamedPipe(pipe, &ol);
1451     err = GetLastError();
1452     ok(ret == 0, "ret %d\n", ret);
1453     ok(err == ERROR_IO_PENDING, "gle %d\n", err);
1454     SetEvent(a->pipe_created);
1455
1456     ret = WaitForSingleObjectEx(ol.hEvent, INFINITE, 1);
1457     ok(ret == WAIT_OBJECT_0, "ret %x\n", ret);
1458
1459     ret = GetOverlappedResult(pipe, &ol, &num, 1);
1460     ok(ret == 1, "ret %d\n", ret);
1461
1462     /* This should block */
1463     ret = ReadFile(pipe, buf, sizeof(buf), &num, NULL);
1464     ok(ret == 1, "ret %d\n", ret);
1465
1466     DisconnectNamedPipe(pipe);
1467     CloseHandle(ol.hEvent);
1468     CloseHandle(pipe);
1469     return 1;
1470 }
1471
1472 static void test_overlapped(void)
1473 {
1474     DWORD tid, num;
1475     HANDLE thread, pipe;
1476     BOOL ret;
1477     struct overlapped_server_args args;
1478
1479     args.pipe_created = CreateEventA(0, 1, 0, 0);
1480     thread = CreateThread(NULL, 0, overlapped_server, &args, 0, &tid);
1481
1482     WaitForSingleObject(args.pipe_created, INFINITE);
1483     pipe = CreateFileA("\\\\.\\pipe\\my pipe", GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
1484     ok(pipe != INVALID_HANDLE_VALUE, "cf failed\n");
1485
1486     /* Sleep to try to get the ReadFile in the server to occur before the following WriteFile */
1487     Sleep(1);
1488
1489     ret = WriteFile(pipe, "x", 1, &num, NULL);
1490     ok(ret, "WriteFile failed with error %d\n", GetLastError());
1491
1492     WaitForSingleObject(thread, INFINITE);
1493     CloseHandle(pipe);
1494     CloseHandle(args.pipe_created);
1495     CloseHandle(thread);
1496 }
1497
1498 static void test_NamedPipeHandleState(void)
1499 {
1500     HANDLE server, client;
1501     BOOL ret;
1502     DWORD state, instances, maxCollectionCount, collectDataTimeout;
1503     char userName[MAX_PATH];
1504
1505     server = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX,
1506         /* dwOpenMode */ PIPE_TYPE_BYTE | PIPE_WAIT,
1507         /* nMaxInstances */ 1,
1508         /* nOutBufSize */ 1024,
1509         /* nInBufSize */ 1024,
1510         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
1511         /* lpSecurityAttrib */ NULL);
1512     ok(server != INVALID_HANDLE_VALUE, "cf failed\n");
1513     ret = GetNamedPipeHandleState(server, NULL, NULL, NULL, NULL, NULL, 0);
1514     todo_wine
1515     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1516     ret = GetNamedPipeHandleState(server, &state, &instances, NULL, NULL, NULL,
1517         0);
1518     todo_wine
1519     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1520     if (ret)
1521     {
1522         ok(state == 0, "unexpected state %08x\n", state);
1523         ok(instances == 1, "expected 1 instances, got %d\n", instances);
1524     }
1525     /* Some parameters have no meaning, and therefore can't be retrieved,
1526      * on a local pipe.
1527      */
1528     SetLastError(0xdeadbeef);
1529     ret = GetNamedPipeHandleState(server, &state, &instances,
1530         &maxCollectionCount, &collectDataTimeout, userName,
1531         sizeof(userName) / sizeof(userName[0]));
1532     todo_wine
1533     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
1534        "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
1535     /* A byte-mode pipe server can't be changed to message mode. */
1536     state = PIPE_READMODE_MESSAGE;
1537     SetLastError(0xdeadbeef);
1538     ret = SetNamedPipeHandleState(server, &state, NULL, NULL);
1539     todo_wine
1540     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
1541        "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
1542
1543     client = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1544         OPEN_EXISTING, 0, NULL);
1545     ok(client != INVALID_HANDLE_VALUE, "cf failed\n");
1546
1547     state = PIPE_READMODE_BYTE;
1548     ret = SetNamedPipeHandleState(client, &state, NULL, NULL);
1549     todo_wine
1550     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1551     /* A byte-mode pipe client can't be changed to message mode, either. */
1552     state = PIPE_READMODE_MESSAGE;
1553     SetLastError(0xdeadbeef);
1554     ret = SetNamedPipeHandleState(server, &state, NULL, NULL);
1555     todo_wine
1556     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
1557        "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
1558
1559     CloseHandle(client);
1560     CloseHandle(server);
1561
1562     server = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX,
1563         /* dwOpenMode */ PIPE_TYPE_MESSAGE | PIPE_WAIT,
1564         /* nMaxInstances */ 1,
1565         /* nOutBufSize */ 1024,
1566         /* nInBufSize */ 1024,
1567         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
1568         /* lpSecurityAttrib */ NULL);
1569     ok(server != INVALID_HANDLE_VALUE, "cf failed\n");
1570     ret = GetNamedPipeHandleState(server, NULL, NULL, NULL, NULL, NULL, 0);
1571     todo_wine
1572     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1573     ret = GetNamedPipeHandleState(server, &state, &instances, NULL, NULL, NULL,
1574         0);
1575     todo_wine
1576     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1577     if (ret)
1578     {
1579         ok(state == 0, "unexpected state %08x\n", state);
1580         ok(instances == 1, "expected 1 instances, got %d\n", instances);
1581     }
1582     /* In contrast to byte-mode pipes, a message-mode pipe server can be
1583      * changed to byte mode.
1584      */
1585     state = PIPE_READMODE_BYTE;
1586     ret = SetNamedPipeHandleState(server, &state, NULL, NULL);
1587     todo_wine
1588     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1589
1590     client = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1591         OPEN_EXISTING, 0, NULL);
1592     ok(client != INVALID_HANDLE_VALUE, "cf failed\n");
1593
1594     state = PIPE_READMODE_MESSAGE;
1595     ret = SetNamedPipeHandleState(client, &state, NULL, NULL);
1596     todo_wine
1597     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1598     /* A message-mode pipe client can also be changed to byte mode.
1599      */
1600     state = PIPE_READMODE_BYTE;
1601     ret = SetNamedPipeHandleState(client, &state, NULL, NULL);
1602     todo_wine
1603     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1604
1605     CloseHandle(client);
1606     CloseHandle(server);
1607 }
1608
1609 START_TEST(pipe)
1610 {
1611     HMODULE hmod;
1612
1613     hmod = GetModuleHandle("advapi32.dll");
1614     pDuplicateTokenEx = (void *) GetProcAddress(hmod, "DuplicateTokenEx");
1615     hmod = GetModuleHandle("kernel32.dll");
1616     pQueueUserAPC = (void *) GetProcAddress(hmod, "QueueUserAPC");
1617
1618     if (test_DisconnectNamedPipe())
1619         return;
1620     test_CreateNamedPipe_instances_must_match();
1621     test_NamedPipe_2();
1622     test_CreateNamedPipe(PIPE_TYPE_BYTE);
1623     test_CreateNamedPipe(PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE);
1624     test_CreatePipe();
1625     test_impersonation();
1626     test_overlapped();
1627     test_NamedPipeHandleState();
1628 }