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