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
 554             || err == ERROR_PIPE_CONNECTED, "overlapped ConnectNamedPipe\n");
 555         trace("overlapped ConnectNamedPipe returned.\n");
 556         if (!success && (err == ERROR_IO_PENDING) && letWFSOEwait)
 557             ok(WaitForSingleObjectEx(hEvent, INFINITE, TRUE) == 0, "wait ConnectNamedPipe\n");
 558         success = GetOverlappedResult(hnp, &oOverlap, &dummy, letGORwait);
 559         if (!letGORwait && !letWFSOEwait && !success) {
 560             ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
 561             success = GetOverlappedResult(hnp, &oOverlap, &dummy, TRUE);
 562         }
 563         ok(success, "GetOverlappedResult ConnectNamedPipe\n");
 564         trace("overlapped ConnectNamedPipe operation complete.\n");
 565
 566         /* Echo bytes once */
 567         memset(buf, 0, sizeof(buf));
 568
 569         trace("Server reading...\n");
 570         success = ReadFile(hnp, buf, sizeof(buf), NULL, &oOverlap);
 571         trace("Server ReadFile returned...\n");
 572         err = GetLastError();
 573         ok(success || err == ERROR_IO_PENDING, "overlapped ReadFile\n");
 574         trace("overlapped ReadFile returned.\n");
 575         if (!success && (err == ERROR_IO_PENDING) && letWFSOEwait)
 576             ok(WaitForSingleObjectEx(hEvent, INFINITE, TRUE) == 0, "wait ReadFile\n");
 577         success = GetOverlappedResult(hnp, &oOverlap, &readden, letGORwait);
 578         if (!letGORwait && !letWFSOEwait && !success) {
 579             ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
 580             success = GetOverlappedResult(hnp, &oOverlap, &readden, TRUE);
 581         }
 582         trace("Server done reading.\n");
 583         ok(success, "overlapped ReadFile\n");
 584
 585         trace("Server writing...\n");
 586         success = WriteFile(hnp, buf, readden, NULL, &oOverlap);
 587         trace("Server WriteFile returned...\n");
 588         err = GetLastError();
 589         ok(success || err == ERROR_IO_PENDING, "overlapped WriteFile\n");
 590         trace("overlapped WriteFile returned.\n");
 591         if (!success && (err == ERROR_IO_PENDING) && letWFSOEwait)
 592             ok(WaitForSingleObjectEx(hEvent, INFINITE, TRUE) == 0, "wait WriteFile\n");
 593         success = GetOverlappedResult(hnp, &oOverlap, &written, letGORwait);
 594         if (!letGORwait && !letWFSOEwait && !success) {
 595             ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
 596             success = GetOverlappedResult(hnp, &oOverlap, &written, TRUE);
 597         }
 598         trace("Server done writing.\n");
 599         ok(success, "overlapped WriteFile\n");
 600         ok(written == readden, "write file len\n");
 601
 602         /* finish this connection, wait for next one */
 603         ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
 604         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
 605     }
 606     return 0;
 607 }
 608
 609 static void exercizeServer(const char *pipename, HANDLE serverThread)
 610 {
 611     int i;
 612
 613     trace("exercizeServer starting\n");
 614     for (i = 0; i < NB_SERVER_LOOPS; i++) {
 615         HANDLE hFile=INVALID_HANDLE_VALUE;
 616         static const char obuf[] = "Bit Bucket";
 617         char ibuf[32];
 618         DWORD written;
 619         DWORD readden;
 620         int loop;
 621
 622         for (loop = 0; loop < 3; loop++) {
 623             DWORD err;
 624             trace("Client connecting...\n");
 625             /* Connect to the server */
 626             hFile = CreateFileA(pipename, GENERIC_READ | GENERIC_WRITE, 0,
 627                 NULL, OPEN_EXISTING, 0, 0);
 628             if (hFile != INVALID_HANDLE_VALUE)
 629                 break;
 630             err = GetLastError();
 631             if (loop == 0)
 632                 ok(err == ERROR_PIPE_BUSY || err == ERROR_FILE_NOT_FOUND, "connecting to pipe\n");
 633             else
 634                 ok(err == ERROR_PIPE_BUSY, "connecting to pipe\n");
 635             trace("connect failed, retrying\n");
 636             Sleep(200);
 637         }
 638         ok(hFile != INVALID_HANDLE_VALUE, "client opening named pipe\n");
 639
 640         /* Make sure it can echo */
 641         memset(ibuf, 0, sizeof(ibuf));
 642         trace("Client writing...\n");
 643         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile to client end of pipe\n");
 644         ok(written == sizeof(obuf), "write file len\n");
 645         trace("Client reading...\n");
 646         ok(ReadFile(hFile, ibuf, sizeof(obuf), &readden, NULL), "ReadFile from client end of pipe\n");
 647         ok(readden == sizeof(obuf), "read file len\n");
 648         ok(memcmp(obuf, ibuf, written) == 0, "content check\n");
 649
 650         trace("Client closing...\n");
 651         ok(CloseHandle(hFile), "CloseHandle\n");
 652     }
 653
 654     ok(WaitForSingleObject(serverThread,INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject\n");
 655     CloseHandle(hnp);
 656     trace("exercizeServer returning\n");
 657 }
 658
 659 static void test_NamedPipe_2(void)
 660 {
 661     HANDLE serverThread;
 662     DWORD serverThreadId;
 663     HANDLE alarmThread;
 664     DWORD alarmThreadId;
 665
 666     trace("test_NamedPipe_2 starting\n");
 667     /* Set up a ten second timeout */
 668     alarm_event = CreateEvent( NULL, TRUE, FALSE, NULL );
 669     alarmThread = CreateThread(NULL, 0, alarmThreadMain, (void *) 10000, 0, &alarmThreadId);
 670
 671     /* The servers we're about to exercize do try to clean up carefully,
 672      * but to reduce the change of a test failure due to a pipe handle
 673      * leak in the test code, we'll use a different pipe name for each server.
 674      */
 675
 676     /* Try server #1 */
 677     serverThread = CreateThread(NULL, 0, serverThreadMain1, (void *)8, 0, &serverThreadId);
 678     ok(serverThread != INVALID_HANDLE_VALUE, "CreateThread\n");
 679     exercizeServer(PIPENAME "serverThreadMain1", serverThread);
 680
 681     /* Try server #2 */
 682     serverThread = CreateThread(NULL, 0, serverThreadMain2, 0, 0, &serverThreadId);
 683     ok(serverThread != INVALID_HANDLE_VALUE, "CreateThread\n");
 684     exercizeServer(PIPENAME "serverThreadMain2", serverThread);
 685
 686     if( 0 ) /* overlapped pipe server doesn't work yet - it randomly fails */
 687     {
 688     /* Try server #3 */
 689     serverThread = CreateThread(NULL, 0, serverThreadMain3, 0, 0, &serverThreadId);
 690     ok(serverThread != INVALID_HANDLE_VALUE, "CreateThread\n");
 691     exercizeServer(PIPENAME "serverThreadMain3", serverThread);
 692     }
 693
 694     ok(SetEvent( alarm_event ), "SetEvent\n");
 695     CloseHandle( alarm_event );
 696     trace("test_NamedPipe_2 returning\n");
 697 }
 698
 699 static int test_DisconnectNamedPipe(void)
 700 {
 701     HANDLE hnp;
 702     HANDLE hFile;
 703     static const char obuf[] = "Bit Bucket";
 704     char ibuf[32];
 705     DWORD written;
 706     DWORD readden;
 707
 708     SetLastError(0xdeadbeef);
 709     hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
 710         /* nMaxInstances */ 1,
 711         /* nOutBufSize */ 1024,
 712         /* nInBufSize */ 1024,
 713         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
 714         /* lpSecurityAttrib */ NULL);
 715     if ((hnp == INVALID_HANDLE_VALUE /* Win98 */ || !hnp /* Win95 */)
 716         && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
 717
 718         win_skip("Named pipes are not implemented\n");
 719         return 1;
 720     }
 721
 722     ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL) == 0
 723         && GetLastError() == ERROR_PIPE_LISTENING, "WriteFile to not-yet-connected pipe\n");
 724     ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
 725         && GetLastError() == ERROR_PIPE_LISTENING, "ReadFile from not-yet-connected pipe\n");
 726
 727     hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
 728     ok(hFile != INVALID_HANDLE_VALUE, "CreateFile failed\n");
 729
 730     /* don't try to do i/o if one side couldn't be opened, as it hangs */
 731     if (hFile != INVALID_HANDLE_VALUE) {
 732
 733         /* see what happens if server calls DisconnectNamedPipe
 734          * when there are bytes in the pipe
 735          */
 736
 737         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile\n");
 738         ok(written == sizeof(obuf), "write file len\n");
 739         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe while messages waiting\n");
 740         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL) == 0
 741             && GetLastError() == ERROR_PIPE_NOT_CONNECTED, "WriteFile to disconnected pipe\n");
 742         ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
 743             && GetLastError() == ERROR_PIPE_NOT_CONNECTED,
 744             "ReadFile from disconnected pipe with bytes waiting\n");
 745         ok(!DisconnectNamedPipe(hnp) && GetLastError() == ERROR_PIPE_NOT_CONNECTED,
 746            "DisconnectNamedPipe worked twice\n");
 747         ok(CloseHandle(hFile), "CloseHandle\n");
 748     }
 749
 750     ok(CloseHandle(hnp), "CloseHandle\n");
 751
 752     return 0;
 753 }
 754 static void test_CreatePipe(void)
 755 {
 756     SECURITY_ATTRIBUTES pipe_attr;
 757     HANDLE piperead, pipewrite;
 758     DWORD written;
 759     DWORD read;
 760     DWORD i, size;
 761     BYTE *buffer;
 762     char readbuf[32];
 763
 764     pipe_attr.nLength = sizeof(SECURITY_ATTRIBUTES);
 765     pipe_attr.bInheritHandle = TRUE;
 766     pipe_attr.lpSecurityDescriptor = NULL;
 767     ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, 0) != 0, "CreatePipe failed\n");
 768     ok(WriteFile(pipewrite,PIPENAME,sizeof(PIPENAME), &written, NULL), "Write to anonymous pipe failed\n");
 769     ok(written == sizeof(PIPENAME), "Write to anonymous pipe wrote %d bytes\n", written);
 770     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL), "Read from non empty pipe failed\n");
 771     ok(read == sizeof(PIPENAME), "Read from  anonymous pipe got %d bytes\n", read);
 772     ok(CloseHandle(pipewrite), "CloseHandle for the write pipe failed\n");
 773     ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
 774
 775     /* Now write another chunk*/
 776     ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, 0) != 0, "CreatePipe failed\n");
 777     ok(WriteFile(pipewrite,PIPENAME,sizeof(PIPENAME), &written, NULL), "Write to anonymous pipe failed\n");
 778     ok(written == sizeof(PIPENAME), "Write to anonymous pipe wrote %d bytes\n", written);
 779     /* and close the write end, read should still succeed*/
 780     ok(CloseHandle(pipewrite), "CloseHandle for the Write Pipe failed\n");
 781     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL), "Read from broken pipe withe with pending data failed\n");
 782     ok(read == sizeof(PIPENAME), "Read from  anonymous pipe got %d bytes\n", read);
 783     /* But now we need to get informed that the pipe is closed */
 784     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL) == 0, "Broken pipe not detected\n");
 785     ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
 786
 787     /* Try bigger chunks */
 788     size = 32768;
 789     buffer = HeapAlloc( GetProcessHeap(), 0, size );
 790     for (i = 0; i < size; i++) buffer[i] = i;
 791     ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, (size + 24)) != 0, "CreatePipe failed\n");
 792     ok(WriteFile(pipewrite, buffer, size, &written, NULL), "Write to anonymous pipe failed\n");
 793     ok(written == size, "Write to anonymous pipe wrote %d bytes\n", written);
 794     /* and close the write end, read should still succeed*/
 795     ok(CloseHandle(pipewrite), "CloseHandle for the Write Pipe failed\n");
 796     memset( buffer, 0, size );
 797     ok(ReadFile(piperead, buffer, size, &read, NULL), "Read from broken pipe withe with pending data failed\n");
 798     ok(read == size, "Read from  anonymous pipe got %d bytes\n", read);
 799     for (i = 0; i < size; i++) ok( buffer[i] == (BYTE)i, "invalid data %x at %x\n", buffer[i], i );
 800     /* But now we need to get informed that the pipe is closed */
 801     ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL) == 0, "Broken pipe not detected\n");
 802     ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
 803     HeapFree(GetProcessHeap(), 0, buffer);
 804 }
 805
 806 struct named_pipe_client_params
 807 {
 808     DWORD security_flags;
 809     HANDLE token;
 810     BOOL revert;
 811 };
 812
 813 #define PIPE_NAME "\\\\.\\pipe\\named_pipe_test"
 814
 815 static DWORD CALLBACK named_pipe_client_func(LPVOID p)
 816 {
 817     struct named_pipe_client_params *params = (struct named_pipe_client_params *)p;
 818     HANDLE pipe;
 819     BOOL ret;
 820     const char message[] = "Test";
 821     DWORD bytes_read, bytes_written;
 822     char dummy;
 823     TOKEN_PRIVILEGES *Privileges = NULL;
 824
 825     if (params->token)
 826     {
 827         if (params->revert)
 828         {
 829             /* modify the token so we can tell if the pipe impersonation
 830              * token reverts to the process token */
 831             ret = AdjustTokenPrivileges(params->token, TRUE, NULL, 0, NULL, NULL);
 832             ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
 833         }
 834         ret = SetThreadToken(NULL, params->token);
 835         ok(ret, "SetThreadToken failed with error %d\n", GetLastError());
 836     }
 837     else
 838     {
 839         DWORD Size = 0;
 840         HANDLE process_token;
 841
 842         ret = OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY|TOKEN_ADJUST_PRIVILEGES, &process_token);
 843         ok(ret, "OpenProcessToken failed with error %d\n", GetLastError());
 844
 845         ret = GetTokenInformation(process_token, TokenPrivileges, NULL, 0, &Size);
 846         ok(!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetTokenInformation(TokenPrivileges) failed with %d\n", GetLastError());
 847         Privileges = HeapAlloc(GetProcessHeap(), 0, Size);
 848         ret = GetTokenInformation(process_token, TokenPrivileges, Privileges, Size, &Size);
 849         ok(ret, "GetTokenInformation(TokenPrivileges) failed with %d\n", GetLastError());
 850
 851         ret = AdjustTokenPrivileges(process_token, TRUE, NULL, 0, NULL, NULL);
 852         ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
 853
 854         CloseHandle(process_token);
 855     }
 856
 857     pipe = CreateFile(PIPE_NAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, params->security_flags, NULL);
 858     ok(pipe != INVALID_HANDLE_VALUE, "CreateFile for pipe failed with error %d\n", GetLastError());
 859
 860     ret = WriteFile(pipe, message, sizeof(message), &bytes_written, NULL);
 861     ok(ret, "WriteFile failed with error %d\n", GetLastError());
 862
 863     ret = ReadFile(pipe, &dummy, sizeof(dummy), &bytes_read, NULL);
 864     ok(ret, "ReadFile failed with error %d\n", GetLastError());
 865
 866     if (params->token)
 867     {
 868         if (params->revert)
 869         {
 870             ret = RevertToSelf();
 871             ok(ret, "RevertToSelf failed with error %d\n", GetLastError());
 872         }
 873         else
 874         {
 875             ret = AdjustTokenPrivileges(params->token, TRUE, NULL, 0, NULL, NULL);
 876             ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
 877         }
 878     }
 879     else
 880     {
 881         HANDLE process_token;
 882
 883         ret = OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &process_token);
 884         ok(ret, "OpenProcessToken failed with error %d\n", GetLastError());
 885
 886         ret = AdjustTokenPrivileges(process_token, FALSE, Privileges, 0, NULL, NULL);
 887         ok(ret, "AdjustTokenPrivileges failed with error %d\n", GetLastError());
 888
 889         HeapFree(GetProcessHeap(), 0, Privileges);
 890
 891         CloseHandle(process_token);
 892     }
 893
 894     ret = WriteFile(pipe, message, sizeof(message), &bytes_written, NULL);
 895     ok(ret, "WriteFile failed with error %d\n", GetLastError());
 896
 897     ret = ReadFile(pipe, &dummy, sizeof(dummy), &bytes_read, NULL);
 898     ok(ret, "ReadFile failed with error %d\n", GetLastError());
 899
 900     CloseHandle(pipe);
 901
 902     return 0;
 903 }
 904
 905 static HANDLE make_impersonation_token(DWORD Access, SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
 906 {
 907     HANDLE ProcessToken;
 908     HANDLE Token = NULL;
 909     BOOL ret;
 910
 911     ret = OpenProcessToken(GetCurrentProcess(), TOKEN_DUPLICATE, &ProcessToken);
 912     ok(ret, "OpenProcessToken failed with error %d\n", GetLastError());
 913
 914     ret = pDuplicateTokenEx(ProcessToken, Access, NULL, ImpersonationLevel, TokenImpersonation, &Token);
 915     ok(ret, "DuplicateToken failed with error %d\n", GetLastError());
 916
 917     CloseHandle(ProcessToken);
 918
 919     return Token;
 920 }
 921
 922 static void test_ImpersonateNamedPipeClient(HANDLE hClientToken, DWORD security_flags, BOOL revert, void (*test_func)(int, HANDLE))
 923 {
 924     HANDLE hPipeServer;
 925     BOOL ret;
 926     DWORD dwTid;
 927     HANDLE hThread;
 928     char buffer[256];
 929     DWORD dwBytesRead;
 930     DWORD error;
 931     struct named_pipe_client_params params;
 932     char dummy = 0;
 933     DWORD dwBytesWritten;
 934     HANDLE hToken = NULL;
 935     SECURITY_IMPERSONATION_LEVEL ImpersonationLevel;
 936     DWORD size;
 937
 938     hPipeServer = CreateNamedPipe(PIPE_NAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT, 1, 100, 100, NMPWAIT_USE_DEFAULT_WAIT, NULL);
 939     ok(hPipeServer != INVALID_HANDLE_VALUE, "CreateNamedPipe failed with error %d\n", GetLastError());
 940
 941     params.security_flags = security_flags;
 942     params.token = hClientToken;
 943     params.revert = revert;
 944     hThread = CreateThread(NULL, 0, named_pipe_client_func, &params, 0, &dwTid);
 945     ok(hThread != NULL, "CreateThread failed with error %d\n", GetLastError());
 946
 947     SetLastError(0xdeadbeef);
 948     ret = ImpersonateNamedPipeClient(hPipeServer);
 949     error = GetLastError();
 950     ok(ret /* win2k3 */ || (error == ERROR_CANNOT_IMPERSONATE),
 951        "ImpersonateNamedPipeClient should have failed with ERROR_CANNOT_IMPERSONATE instead of %d\n", GetLastError());
 952
 953     ret = ConnectNamedPipe(hPipeServer, NULL);
 954     ok(ret || (GetLastError() == ERROR_PIPE_CONNECTED), "ConnectNamedPipe failed with error %d\n", GetLastError());
 955
 956     ret = ReadFile(hPipeServer, buffer, sizeof(buffer), &dwBytesRead, NULL);
 957     ok(ret, "ReadFile failed with error %d\n", GetLastError());
 958
 959     ret = ImpersonateNamedPipeClient(hPipeServer);
 960     ok(ret, "ImpersonateNamedPipeClient failed with error %d\n", GetLastError());
 961
 962     ret = OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &hToken);
 963     ok(ret, "OpenThreadToken failed with error %d\n", GetLastError());
 964
 965     (*test_func)(0, hToken);
 966
 967     ImpersonationLevel = 0xdeadbeef; /* to avoid false positives */
 968     ret = GetTokenInformation(hToken, TokenImpersonationLevel, &ImpersonationLevel, sizeof(ImpersonationLevel), &size);
 969     ok(ret, "GetTokenInformation(TokenImpersonationLevel) failed with error %d\n", GetLastError());
 970     ok(ImpersonationLevel == SecurityImpersonation, "ImpersonationLevel should have been SecurityImpersonation(%d) instead of %d\n", SecurityImpersonation, ImpersonationLevel);
 971
 972     CloseHandle(hToken);
 973
 974     RevertToSelf();
 975
 976     ret = WriteFile(hPipeServer, &dummy, sizeof(dummy), &dwBytesWritten, NULL);
 977     ok(ret, "WriteFile failed with error %d\n", GetLastError());
 978
 979     ret = ReadFile(hPipeServer, buffer, sizeof(buffer), &dwBytesRead, NULL);
 980     ok(ret, "ReadFile failed with error %d\n", GetLastError());
 981
 982     ret = ImpersonateNamedPipeClient(hPipeServer);
 983     ok(ret, "ImpersonateNamedPipeClient failed with error %d\n", GetLastError());
 984
 985     ret = OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &hToken);
 986     ok(ret, "OpenThreadToken failed with error %d\n", GetLastError());
 987
 988     (*test_func)(1, hToken);
 989
 990     CloseHandle(hToken);
 991
 992     RevertToSelf();
 993
 994     ret = WriteFile(hPipeServer, &dummy, sizeof(dummy), &dwBytesWritten, NULL);
 995     ok(ret, "WriteFile failed with error %d\n", GetLastError());
 996
 997     WaitForSingleObject(hThread, INFINITE);
 998
 999     ret = ImpersonateNamedPipeClient(hPipeServer);
1000     ok(ret, "ImpersonateNamedPipeClient failed with error %d\n", GetLastError());
1001
1002     RevertToSelf();
1003
1004     CloseHandle(hThread);
1005     CloseHandle(hPipeServer);
1006 }
1007
1008 static BOOL are_all_privileges_disabled(HANDLE hToken)
1009 {
1010     BOOL ret;
1011     TOKEN_PRIVILEGES *Privileges = NULL;
1012     DWORD Size = 0;
1013     BOOL all_privs_disabled = TRUE;
1014     DWORD i;
1015
1016     ret = GetTokenInformation(hToken, TokenPrivileges, NULL, 0, &Size);
1017     if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1018     {
1019         Privileges = HeapAlloc(GetProcessHeap(), 0, Size);
1020         ret = GetTokenInformation(hToken, TokenPrivileges, Privileges, Size, &Size);
1021         if (!ret)
1022         {
1023             HeapFree(GetProcessHeap(), 0, Privileges);
1024             return FALSE;
1025         }
1026     }
1027     else
1028         return FALSE;
1029
1030     for (i = 0; i < Privileges->PrivilegeCount; i++)
1031     {
1032         if (Privileges->Privileges[i].Attributes & SE_PRIVILEGE_ENABLED)
1033         {
1034             all_privs_disabled = FALSE;
1035             break;
1036         }
1037     }
1038
1039     HeapFree(GetProcessHeap(), 0, Privileges);
1040
1041     return all_privs_disabled;
1042 }
1043
1044 static DWORD get_privilege_count(HANDLE hToken)
1045 {
1046     TOKEN_STATISTICS Statistics;
1047     DWORD Size = sizeof(Statistics);
1048     BOOL ret;
1049
1050     ret = GetTokenInformation(hToken, TokenStatistics, &Statistics, Size, &Size);
1051     ok(ret, "GetTokenInformation(TokenStatistics)\n");
1052     if (!ret) return -1;
1053
1054     return Statistics.PrivilegeCount;
1055 }
1056
1057 static void test_no_sqos_no_token(int call_index, HANDLE hToken)
1058 {
1059     DWORD priv_count;
1060
1061     switch (call_index)
1062     {
1063     case 0:
1064         priv_count = get_privilege_count(hToken);
1065         todo_wine
1066         ok(priv_count == 0, "privilege count should have been 0 instead of %d\n", priv_count);
1067         break;
1068     case 1:
1069         priv_count = get_privilege_count(hToken);
1070         ok(priv_count > 0, "privilege count should now be > 0 instead of 0\n");
1071         ok(!are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1072         break;
1073     default:
1074         ok(0, "shouldn't happen\n");
1075     }
1076 }
1077
1078 static void test_no_sqos(int call_index, HANDLE hToken)
1079 {
1080     switch (call_index)
1081     {
1082     case 0:
1083         ok(!are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1084         break;
1085     case 1:
1086         todo_wine
1087         ok(are_all_privileges_disabled(hToken), "impersonated token should have been modified\n");
1088         break;
1089     default:
1090         ok(0, "shouldn't happen\n");
1091     }
1092 }
1093
1094 static void test_static_context(int call_index, HANDLE hToken)
1095 {
1096     switch (call_index)
1097     {
1098     case 0:
1099         ok(!are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1100         break;
1101     case 1:
1102         ok(!are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1103         break;
1104     default:
1105         ok(0, "shouldn't happen\n");
1106     }
1107 }
1108
1109 static void test_dynamic_context(int call_index, HANDLE hToken)
1110 {
1111     switch (call_index)
1112     {
1113     case 0:
1114         ok(!are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1115         break;
1116     case 1:
1117         todo_wine
1118         ok(are_all_privileges_disabled(hToken), "impersonated token should have been modified\n");
1119         break;
1120     default:
1121         ok(0, "shouldn't happen\n");
1122     }
1123 }
1124
1125 static void test_dynamic_context_no_token(int call_index, HANDLE hToken)
1126 {
1127     switch (call_index)
1128     {
1129     case 0:
1130         ok(are_all_privileges_disabled(hToken), "token should be a copy of the process one\n");
1131         break;
1132     case 1:
1133         ok(!are_all_privileges_disabled(hToken), "process token modification should have been detected and impersonation token updated\n");
1134         break;
1135     default:
1136         ok(0, "shouldn't happen\n");
1137     }
1138 }
1139
1140 static void test_no_sqos_revert(int call_index, HANDLE hToken)
1141 {
1142     DWORD priv_count;
1143     switch (call_index)
1144     {
1145     case 0:
1146         priv_count = get_privilege_count(hToken);
1147         todo_wine
1148         ok(priv_count == 0, "privilege count should have been 0 instead of %d\n", priv_count);
1149         break;
1150     case 1:
1151         priv_count = get_privilege_count(hToken);
1152         ok(priv_count > 0, "privilege count should now be > 0 instead of 0\n");
1153         ok(!are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1154         break;
1155     default:
1156         ok(0, "shouldn't happen\n");
1157     }
1158 }
1159
1160 static void test_static_context_revert(int call_index, HANDLE hToken)
1161 {
1162     switch (call_index)
1163     {
1164     case 0:
1165         todo_wine
1166         ok(are_all_privileges_disabled(hToken), "privileges should have been disabled\n");
1167         break;
1168     case 1:
1169         todo_wine
1170         ok(are_all_privileges_disabled(hToken), "impersonated token should not have been modified\n");
1171         break;
1172     default:
1173         ok(0, "shouldn't happen\n");
1174     }
1175 }
1176
1177 static void test_dynamic_context_revert(int call_index, HANDLE hToken)
1178 {
1179     switch (call_index)
1180     {
1181     case 0:
1182         todo_wine
1183         ok(are_all_privileges_disabled(hToken), "privileges should have been disabled\n");
1184         break;
1185     case 1:
1186         ok(!are_all_privileges_disabled(hToken), "impersonated token should now be process token\n");
1187         break;
1188     default:
1189         ok(0, "shouldn't happen\n");
1190     }
1191 }
1192
1193 static void test_impersonation(void)
1194 {
1195     HANDLE hClientToken;
1196     HANDLE hProcessToken;
1197     BOOL ret;
1198
1199     if( !pDuplicateTokenEx ) {
1200         skip("DuplicateTokenEx not found\n");
1201         return;
1202     }
1203
1204     ret = OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hProcessToken);
1205     if (!ret)
1206     {
1207         skip("couldn't open process token, skipping impersonation tests\n");
1208         return;
1209     }
1210
1211     if (!get_privilege_count(hProcessToken) || are_all_privileges_disabled(hProcessToken))
1212     {
1213         skip("token didn't have any privileges or they were all disabled. token not suitable for impersonation tests\n");
1214         CloseHandle(hProcessToken);
1215         return;
1216     }
1217     CloseHandle(hProcessToken);
1218
1219     test_ImpersonateNamedPipeClient(NULL, 0, FALSE, test_no_sqos_no_token);
1220     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1221     test_ImpersonateNamedPipeClient(hClientToken, 0, FALSE, test_no_sqos);
1222     CloseHandle(hClientToken);
1223     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1224     test_ImpersonateNamedPipeClient(hClientToken,
1225         SECURITY_SQOS_PRESENT | SECURITY_IMPERSONATION, FALSE,
1226         test_static_context);
1227     CloseHandle(hClientToken);
1228     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1229     test_ImpersonateNamedPipeClient(hClientToken,
1230         SECURITY_SQOS_PRESENT | SECURITY_CONTEXT_TRACKING | SECURITY_IMPERSONATION,
1231         FALSE, test_dynamic_context);
1232     CloseHandle(hClientToken);
1233     test_ImpersonateNamedPipeClient(NULL,
1234         SECURITY_SQOS_PRESENT | SECURITY_CONTEXT_TRACKING | SECURITY_IMPERSONATION,
1235         FALSE, test_dynamic_context_no_token);
1236
1237     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1238     test_ImpersonateNamedPipeClient(hClientToken, 0, TRUE, test_no_sqos_revert);
1239     CloseHandle(hClientToken);
1240     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1241     test_ImpersonateNamedPipeClient(hClientToken,
1242         SECURITY_SQOS_PRESENT | SECURITY_IMPERSONATION, TRUE,
1243         test_static_context_revert);
1244     CloseHandle(hClientToken);
1245     hClientToken = make_impersonation_token(TOKEN_IMPERSONATE | TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, SecurityImpersonation);
1246     test_ImpersonateNamedPipeClient(hClientToken,
1247         SECURITY_SQOS_PRESENT | SECURITY_CONTEXT_TRACKING | SECURITY_IMPERSONATION,
1248         TRUE, test_dynamic_context_revert);
1249     CloseHandle(hClientToken);
1250 }
1251
1252 struct overlapped_server_args
1253 {
1254     HANDLE pipe_created;
1255 };
1256
1257 static DWORD CALLBACK overlapped_server(LPVOID arg)
1258 {
1259     OVERLAPPED ol;
1260     HANDLE pipe;
1261     int ret, err;
1262     struct overlapped_server_args *a = (struct overlapped_server_args*)arg;
1263     DWORD num;
1264     char buf[100];
1265
1266     pipe = CreateNamedPipeA("\\\\.\\pipe\\my pipe", FILE_FLAG_OVERLAPPED | PIPE_ACCESS_DUPLEX, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, 1, 0, 0, 100000, NULL);
1267     ok(pipe != NULL, "pipe NULL\n");
1268
1269     ol.hEvent = CreateEventA(0, 1, 0, 0);
1270     ok(ol.hEvent != NULL, "event NULL\n");
1271     ret = ConnectNamedPipe(pipe, &ol);
1272     err = GetLastError();
1273     ok(ret == 0, "ret %d\n", ret);
1274     ok(err == ERROR_IO_PENDING, "gle %d\n", err);
1275     SetEvent(a->pipe_created);
1276
1277     ret = WaitForSingleObjectEx(ol.hEvent, INFINITE, 1);
1278     ok(ret == WAIT_OBJECT_0, "ret %x\n", ret);
1279
1280     ret = GetOverlappedResult(pipe, &ol, &num, 1);
1281     ok(ret == 1, "ret %d\n", ret);
1282
1283     /* This should block */
1284     ret = ReadFile(pipe, buf, sizeof(buf), &num, NULL);
1285     ok(ret == 1, "ret %d\n", ret);
1286
1287     DisconnectNamedPipe(pipe);
1288     CloseHandle(ol.hEvent);
1289     CloseHandle(pipe);
1290     return 1;
1291 }
1292
1293 static void test_overlapped(void)
1294 {
1295     DWORD tid, num;
1296     HANDLE thread, pipe;
1297     int ret;
1298     struct overlapped_server_args args;
1299
1300     args.pipe_created = CreateEventA(0, 1, 0, 0);
1301     thread = CreateThread(NULL, 0, overlapped_server, &args, 0, &tid);
1302
1303     WaitForSingleObject(args.pipe_created, INFINITE);
1304     pipe = CreateFileA("\\\\.\\pipe\\my pipe", GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
1305     ok(pipe != INVALID_HANDLE_VALUE, "cf failed\n");
1306
1307     /* Sleep to try to get the ReadFile in the server to occur before the following WriteFile */
1308     Sleep(1);
1309
1310     ret = WriteFile(pipe, "x", 1, &num, NULL);
1311     ok(ret == 1, "ret %d\n", ret);
1312
1313     WaitForSingleObject(thread, INFINITE);
1314     CloseHandle(pipe);
1315     CloseHandle(args.pipe_created);
1316     CloseHandle(thread);
1317 }
1318
1319 static void test_NamedPipeHandleState(void)
1320 {
1321     HANDLE server, client;
1322     BOOL ret;
1323     DWORD state, instances, maxCollectionCount, collectDataTimeout;
1324     char userName[MAX_PATH];
1325
1326     server = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX,
1327         /* dwOpenMode */ PIPE_TYPE_BYTE | PIPE_WAIT,
1328         /* nMaxInstances */ 1,
1329         /* nOutBufSize */ 1024,
1330         /* nInBufSize */ 1024,
1331         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
1332         /* lpSecurityAttrib */ NULL);
1333     ok(server != INVALID_HANDLE_VALUE, "cf failed\n");
1334     ret = GetNamedPipeHandleState(server, NULL, NULL, NULL, NULL, NULL, 0);
1335     todo_wine
1336     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1337     ret = GetNamedPipeHandleState(server, &state, &instances, NULL, NULL, NULL,
1338         0);
1339     todo_wine
1340     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1341     if (ret)
1342     {
1343         ok(state == 0, "unexpected state %08x\n", state);
1344         ok(instances == 1, "expected 1 instances, got %d\n", instances);
1345     }
1346     /* Some parameters have no meaning, and therefore can't be retrieved,
1347      * on a local pipe.
1348      */
1349     SetLastError(0xdeadbeef);
1350     ret = GetNamedPipeHandleState(server, &state, &instances,
1351         &maxCollectionCount, &collectDataTimeout, userName,
1352         sizeof(userName) / sizeof(userName[0]));
1353     todo_wine
1354     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
1355        "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
1356     /* A byte-mode pipe server can't be changed to message mode. */
1357     state = PIPE_READMODE_MESSAGE;
1358     SetLastError(0xdeadbeef);
1359     ret = SetNamedPipeHandleState(server, &state, NULL, NULL);
1360     todo_wine
1361     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
1362        "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
1363
1364     client = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1365         OPEN_EXISTING, 0, NULL);
1366     ok(client != INVALID_HANDLE_VALUE, "cf failed\n");
1367
1368     state = PIPE_READMODE_BYTE;
1369     ret = SetNamedPipeHandleState(client, &state, NULL, NULL);
1370     todo_wine
1371     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1372     /* A byte-mode pipe client can't be changed to message mode, either. */
1373     state = PIPE_READMODE_MESSAGE;
1374     SetLastError(0xdeadbeef);
1375     ret = SetNamedPipeHandleState(server, &state, NULL, NULL);
1376     todo_wine
1377     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
1378        "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
1379
1380     CloseHandle(client);
1381     CloseHandle(server);
1382
1383     server = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX,
1384         /* dwOpenMode */ PIPE_TYPE_MESSAGE | PIPE_WAIT,
1385         /* nMaxInstances */ 1,
1386         /* nOutBufSize */ 1024,
1387         /* nInBufSize */ 1024,
1388         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
1389         /* lpSecurityAttrib */ NULL);
1390     ok(server != INVALID_HANDLE_VALUE, "cf failed\n");
1391     ret = GetNamedPipeHandleState(server, NULL, NULL, NULL, NULL, NULL, 0);
1392     todo_wine
1393     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1394     ret = GetNamedPipeHandleState(server, &state, &instances, NULL, NULL, NULL,
1395         0);
1396     todo_wine
1397     ok(ret, "GetNamedPipeHandleState failed: %d\n", GetLastError());
1398     if (ret)
1399     {
1400         ok(state == 0, "unexpected state %08x\n", state);
1401         ok(instances == 1, "expected 1 instances, got %d\n", instances);
1402     }
1403     /* In contrast to byte-mode pipes, a message-mode pipe server can be
1404      * changed to byte mode.
1405      */
1406     state = PIPE_READMODE_BYTE;
1407     ret = SetNamedPipeHandleState(server, &state, NULL, NULL);
1408     todo_wine
1409     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1410
1411     client = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1412         OPEN_EXISTING, 0, NULL);
1413     ok(client != INVALID_HANDLE_VALUE, "cf failed\n");
1414
1415     state = PIPE_READMODE_MESSAGE;
1416     ret = SetNamedPipeHandleState(client, &state, NULL, NULL);
1417     todo_wine
1418     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1419     /* A message-mode pipe client can also be changed to byte mode.
1420      */
1421     state = PIPE_READMODE_BYTE;
1422     ret = SetNamedPipeHandleState(client, &state, NULL, NULL);
1423     todo_wine
1424     ok(ret, "SetNamedPipeHandleState failed: %d\n", GetLastError());
1425
1426     CloseHandle(client);
1427     CloseHandle(server);
1428 }
1429
1430 START_TEST(pipe)
1431 {
1432     HMODULE hmod;
1433
1434     hmod = GetModuleHandle("advapi32.dll");
1435     pDuplicateTokenEx = (void *) GetProcAddress(hmod, "DuplicateTokenEx");
1436
1437     if (test_DisconnectNamedPipe())
1438         return;
1439     test_CreateNamedPipe_instances_must_match();
1440     test_NamedPipe_2();
1441     test_CreateNamedPipe(PIPE_TYPE_BYTE);
1442     test_CreateNamedPipe(PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE);
1443     test_CreatePipe();
1444     test_impersonation();
1445     test_overlapped();
1446     test_NamedPipeHandleState();
1447 }