dlls/ntdll/tests/directory.c

   1 /* Unit test suite for Ntdll directory functions
   2  *
   3  * Copyright 2007 Jeff Latimer
   4  * Copyright 2007 Andrey Turkin
   5  * Copyright 2008 Jeff Zaroyko
   6  * Copyright 2009 Dan Kegel
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  *
  22  * NOTES
  23  * We use function pointers here as there is no import library for NTDLL on
  24  * windows.
  25  */
  26
  27 #include <stdio.h>
  28 #include <stdarg.h>
  29
  30 #include "ntstatus.h"
  31 /* Define WIN32_NO_STATUS so MSVC does not give us duplicate macro
  32  * definition errors when we get to winnt.h
  33  */
  34 #define WIN32_NO_STATUS
  35
  36 #include "wine/test.h"
  37 #include "winternl.h"
  38
  39 static NTSTATUS (WINAPI *pNtClose)( PHANDLE );
  40 static NTSTATUS (WINAPI *pNtOpenFile)    ( PHANDLE, ACCESS_MASK, POBJECT_ATTRIBUTES, PIO_STATUS_BLOCK, ULONG, ULONG );
  41 static NTSTATUS (WINAPI *pNtQueryDirectoryFile)(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,
  42                                                 PVOID,ULONG,FILE_INFORMATION_CLASS,BOOLEAN,PUNICODE_STRING,BOOLEAN);
  43 static BOOLEAN  (WINAPI *pRtlCreateUnicodeStringFromAsciiz)(PUNICODE_STRING,LPCSTR);
  44 static BOOL     (WINAPI *pRtlDosPathNameToNtPathName_U)( LPCWSTR, PUNICODE_STRING, PWSTR*, CURDIR* );
  45 static VOID     (WINAPI *pRtlInitUnicodeString)( PUNICODE_STRING, LPCWSTR );
  46 static VOID     (WINAPI *pRtlFreeUnicodeString)( PUNICODE_STRING );
  47 static NTSTATUS (WINAPI *pRtlMultiByteToUnicodeN)( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
  48                                                    LPCSTR src, DWORD srclen );
  49 static NTSTATUS (WINAPI *pRtlWow64EnableFsRedirection)( BOOLEAN enable );
  50 static NTSTATUS (WINAPI *pRtlWow64EnableFsRedirectionEx)( ULONG disable, ULONG *old_value );
  51
  52 /* The attribute sets to test */
  53 static struct testfile_s {
  54     BOOL todo;                /* set if it doesn't work on wine yet */
  55     BOOL attr_done;           /* set if attributes were tested for this file already */
  56     const DWORD attr;         /* desired attribute */
  57     const char *name;         /* filename to use */
  58     const char *target;       /* what to point to (only for reparse pts) */
  59     const char *description;  /* for error messages */
  60     int nfound;               /* How many were found (expect 1) */
  61     WCHAR nameW[20];          /* unicode version of name (filled in later) */
  62 } testfiles[] = {
  63     { 0, 0, FILE_ATTRIBUTE_NORMAL,    "longfilename.tmp", NULL, "normal" },
  64     { 0, 0, FILE_ATTRIBUTE_NORMAL,    "n.tmp", NULL, "normal" },
  65     { 1, 0, FILE_ATTRIBUTE_HIDDEN,    "h.tmp", NULL, "hidden" },
  66     { 1, 0, FILE_ATTRIBUTE_SYSTEM,    "s.tmp", NULL, "system" },
  67     { 0, 0, FILE_ATTRIBUTE_DIRECTORY, "d.tmp", NULL, "directory" },
  68     { 0, 0, FILE_ATTRIBUTE_DIRECTORY, ".",     NULL, ". directory" },
  69     { 0, 0, FILE_ATTRIBUTE_DIRECTORY, "..",    NULL, ".. directory" },
  70     { 0, 0, 0, NULL }
  71 };
  72 static const int max_test_dir_size = 20;  /* size of above plus some for .. etc */
  73
  74 /* Create a test directory full of attribute test files, clear counts */
  75 static void set_up_attribute_test(const char *testdirA)
  76 {
  77     int i;
  78     BOOL ret;
  79
  80     ret = CreateDirectoryA(testdirA, NULL);
  81     ok(ret, "couldn't create dir '%s', error %d\n", testdirA, GetLastError());
  82
  83     for (i=0; testfiles[i].name; i++) {
  84         char buf[MAX_PATH];
  85         pRtlMultiByteToUnicodeN(testfiles[i].nameW, sizeof(testfiles[i].nameW), NULL, testfiles[i].name, strlen(testfiles[i].name)+1);
  86
  87         if (strcmp(testfiles[i].name, ".") == 0 || strcmp(testfiles[i].name, "..") == 0)
  88             continue;
  89         sprintf(buf, "%s\\%s", testdirA, testfiles[i].name);
  90         if (testfiles[i].attr & FILE_ATTRIBUTE_DIRECTORY) {
  91             ret = CreateDirectoryA(buf, NULL);
  92             ok(ret, "couldn't create dir '%s', error %d\n", buf, GetLastError());
  93         } else {
  94             HANDLE h = CreateFileA(buf,
  95                                    GENERIC_READ|GENERIC_WRITE,
  96                                    0, NULL, CREATE_ALWAYS,
  97                                    testfiles[i].attr, 0);
  98             ok( h != INVALID_HANDLE_VALUE, "failed to create temp file '%s'\n", buf );
  99             CloseHandle(h);
 100         }
 101     }
 102 }
 103
 104 static void reset_found_files(void)
 105 {
 106     int i;
 107
 108     for (i = 0; testfiles[i].name; i++)
 109         testfiles[i].nfound = 0;
 110 }
 111
 112 /* Remove the given test directory and the attribute test files, if any */
 113 static void tear_down_attribute_test(const char *testdirA)
 114 {
 115     int i;
 116
 117     for (i=0; testfiles[i].name; i++) {
 118         int ret;
 119         char buf[MAX_PATH];
 120         if (strcmp(testfiles[i].name, ".") == 0 || strcmp(testfiles[i].name, "..") == 0)
 121             continue;
 122         sprintf(buf, "%s\\%s", testdirA, testfiles[i].name);
 123         if (testfiles[i].attr & FILE_ATTRIBUTE_DIRECTORY) {
 124             ret = RemoveDirectoryA(buf);
 125             ok(ret || (GetLastError() == ERROR_PATH_NOT_FOUND),
 126                "Failed to rmdir %s, error %d\n", buf, GetLastError());
 127         } else {
 128             ret = DeleteFileA(buf);
 129             ok(ret || (GetLastError() == ERROR_PATH_NOT_FOUND),
 130                "Failed to rm %s, error %d\n", buf, GetLastError());
 131         }
 132     }
 133     RemoveDirectoryA(testdirA);
 134 }
 135
 136 /* Match one found file against testfiles[], increment count if found */
 137 static void tally_test_file(FILE_BOTH_DIRECTORY_INFORMATION *dir_info)
 138 {
 139     int i;
 140     DWORD attribmask =
 141       (FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_REPARSE_POINT);
 142     DWORD attrib = dir_info->FileAttributes & attribmask;
 143     WCHAR *nameW = dir_info->FileName;
 144     int namelen = dir_info->FileNameLength / sizeof(WCHAR);
 145
 146     for (i=0; testfiles[i].name; i++) {
 147         int len = strlen(testfiles[i].name);
 148         if (namelen != len || memcmp(nameW, testfiles[i].nameW, len*sizeof(WCHAR)))
 149             continue;
 150         if (!testfiles[i].attr_done) {
 151             if (testfiles[i].todo) {
 152                 todo_wine
 153                 ok (attrib == (testfiles[i].attr & attribmask), "file %s: expected %s (%x), got %x (is your linux new enough?)\n", testfiles[i].name, testfiles[i].description, testfiles[i].attr, attrib);
 154             } else {
 155                 ok (attrib == (testfiles[i].attr & attribmask), "file %s: expected %s (%x), got %x (is your linux new enough?)\n", testfiles[i].name, testfiles[i].description, testfiles[i].attr, attrib);
 156             }
 157             testfiles[i].attr_done = TRUE;
 158         }
 159         testfiles[i].nfound++;
 160         break;
 161     }
 162     ok(testfiles[i].name != NULL, "unexpected file found\n");
 163 }
 164
 165 static void test_flags_NtQueryDirectoryFile(OBJECT_ATTRIBUTES *attr, const char *testdirA,
 166                                             UNICODE_STRING *mask,
 167                                             BOOLEAN single_entry, BOOLEAN restart_flag)
 168 {
 169     HANDLE dirh;
 170     IO_STATUS_BLOCK io;
 171     UINT data_pos, data_size;
 172     UINT data_len;    /* length of dir data */
 173     BYTE data[8192];  /* directory data */
 174     FILE_BOTH_DIRECTORY_INFORMATION *dir_info;
 175     DWORD status;
 176     int numfiles;
 177     int i;
 178
 179     reset_found_files();
 180
 181     data_size = mask ? offsetof( FILE_BOTH_DIRECTORY_INFORMATION, FileName[256] ) : sizeof(data);
 182
 183     /* Read the directory and note which files are found */
 184     status = pNtOpenFile( &dirh, SYNCHRONIZE | FILE_LIST_DIRECTORY, attr, &io, FILE_SHARE_READ,
 185                          FILE_SYNCHRONOUS_IO_NONALERT|FILE_OPEN_FOR_BACKUP_INTENT|FILE_DIRECTORY_FILE);
 186     ok (status == STATUS_SUCCESS, "failed to open dir '%s', ret 0x%x, error %d\n", testdirA, status, GetLastError());
 187     if (status != STATUS_SUCCESS) {
 188        skip("can't test if we can't open the directory\n");
 189        return;
 190     }
 191
 192     pNtQueryDirectoryFile( dirh, NULL, NULL, NULL, &io, data, data_size,
 193                        FileBothDirectoryInformation, single_entry, mask, restart_flag );
 194     ok (U(io).Status == STATUS_SUCCESS, "failed to query directory; status %x\n", U(io).Status);
 195     data_len = io.Information;
 196     ok (data_len >= sizeof(FILE_BOTH_DIRECTORY_INFORMATION), "not enough data in directory\n");
 197
 198     data_pos = 0;
 199     numfiles = 0;
 200     while ((data_pos < data_len) && (numfiles < max_test_dir_size)) {
 201         dir_info = (FILE_BOTH_DIRECTORY_INFORMATION *)(data + data_pos);
 202
 203         tally_test_file(dir_info);
 204
 205         if (dir_info->NextEntryOffset == 0) {
 206             pNtQueryDirectoryFile( dirh, 0, NULL, NULL, &io, data, data_size,
 207                                FileBothDirectoryInformation, single_entry, mask, FALSE );
 208             if (U(io).Status == STATUS_NO_MORE_FILES)
 209                 break;
 210             ok (U(io).Status == STATUS_SUCCESS, "failed to query directory; status %x\n", U(io).Status);
 211             data_len = io.Information;
 212             if (data_len < sizeof(FILE_BOTH_DIRECTORY_INFORMATION))
 213                 break;
 214             data_pos = 0;
 215         } else {
 216             data_pos += dir_info->NextEntryOffset;
 217         }
 218         numfiles++;
 219     }
 220     ok(numfiles < max_test_dir_size, "too many loops\n");
 221
 222     if (mask)
 223         for (i=0; testfiles[i].name; i++)
 224             ok(testfiles[i].nfound == (testfiles[i].nameW == mask->Buffer),
 225                "Wrong number %d of %s files found (single_entry=%d,mask=%s)\n",
 226                testfiles[i].nfound, testfiles[i].description, single_entry,
 227                wine_dbgstr_wn(mask->Buffer, mask->Length/sizeof(WCHAR) ));
 228     else
 229         for (i=0; testfiles[i].name; i++)
 230             ok(testfiles[i].nfound == 1, "Wrong number %d of %s files found (single_entry=%d,restart=%d)\n",
 231                testfiles[i].nfound, testfiles[i].description, single_entry, restart_flag);
 232     pNtClose(dirh);
 233 }
 234
 235 static void test_NtQueryDirectoryFile(void)
 236 {
 237     OBJECT_ATTRIBUTES attr;
 238     UNICODE_STRING ntdirname, mask;
 239     char testdirA[MAX_PATH];
 240     WCHAR testdirW[MAX_PATH];
 241     int i;
 242     IO_STATUS_BLOCK io;
 243     WCHAR short_name[12];
 244     UINT data_size;
 245     BYTE data[8192];
 246     FILE_BOTH_DIRECTORY_INFORMATION *fbdi = (FILE_BOTH_DIRECTORY_INFORMATION*)data;
 247     DWORD status;
 248     HANDLE dirh;
 249
 250     /* Clean up from prior aborted run, if any, then set up test files */
 251     ok(GetTempPathA(MAX_PATH, testdirA), "couldn't get temp dir\n");
 252     strcat(testdirA, "NtQueryDirectoryFile.tmp");
 253     tear_down_attribute_test(testdirA);
 254     set_up_attribute_test(testdirA);
 255
 256     pRtlMultiByteToUnicodeN(testdirW, sizeof(testdirW), NULL, testdirA, strlen(testdirA)+1);
 257     if (!pRtlDosPathNameToNtPathName_U(testdirW, &ntdirname, NULL, NULL))
 258     {
 259         ok(0, "RtlDosPathNametoNtPathName_U failed\n");
 260         goto done;
 261     }
 262     InitializeObjectAttributes(&attr, &ntdirname, OBJ_CASE_INSENSITIVE, 0, NULL);
 263
 264     test_flags_NtQueryDirectoryFile(&attr, testdirA, NULL, FALSE, TRUE);
 265     test_flags_NtQueryDirectoryFile(&attr, testdirA, NULL, FALSE, FALSE);
 266     test_flags_NtQueryDirectoryFile(&attr, testdirA, NULL, TRUE, TRUE);
 267     test_flags_NtQueryDirectoryFile(&attr, testdirA, NULL, TRUE, FALSE);
 268
 269     for (i = 0; testfiles[i].name; i++)
 270     {
 271         if (testfiles[i].nameW[0] == '.') continue;  /* . and .. as masks are broken on Windows */
 272         mask.Buffer = testfiles[i].nameW;
 273         mask.Length = mask.MaximumLength = lstrlenW(testfiles[i].nameW) * sizeof(WCHAR);
 274         test_flags_NtQueryDirectoryFile(&attr, testdirA, &mask, FALSE, TRUE);
 275         test_flags_NtQueryDirectoryFile(&attr, testdirA, &mask, FALSE, FALSE);
 276         test_flags_NtQueryDirectoryFile(&attr, testdirA, &mask, TRUE, TRUE);
 277         test_flags_NtQueryDirectoryFile(&attr, testdirA, &mask, TRUE, FALSE);
 278     }
 279
 280     /* short path passed as mask */
 281     status = pNtOpenFile(&dirh, SYNCHRONIZE | FILE_LIST_DIRECTORY, &attr, &io, FILE_SHARE_READ,
 282             FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_BACKUP_INTENT | FILE_DIRECTORY_FILE);
 283     ok(status == STATUS_SUCCESS, "failed to open dir '%s'\n", testdirA);
 284     if (status != STATUS_SUCCESS) {
 285         skip("can't test if we can't open the directory\n");
 286         return;
 287     }
 288     mask.Buffer = testfiles[0].nameW;
 289     mask.Length = mask.MaximumLength = lstrlenW(testfiles[0].nameW) * sizeof(WCHAR);
 290     data_size = offsetof(FILE_BOTH_DIRECTORY_INFORMATION, FileName[256]);
 291     pNtQueryDirectoryFile(dirh, 0, NULL, NULL, &io, data, data_size,
 292             FileBothDirectoryInformation, TRUE, &mask, FALSE);
 293     ok(U(io).Status == STATUS_SUCCESS, "failed to query directory; status %x\n", U(io).Status);
 294     ok(fbdi->ShortName[0], "ShortName is empty\n");
 295
 296     mask.Length = mask.MaximumLength = fbdi->ShortNameLength;
 297     memcpy(short_name, fbdi->ShortName, mask.Length);
 298     mask.Buffer = short_name;
 299     pNtQueryDirectoryFile(dirh, 0, NULL, NULL, &io, data, data_size,
 300             FileBothDirectoryInformation, TRUE, &mask, TRUE);
 301     ok(U(io).Status == STATUS_SUCCESS, "failed to query directory status %x\n", U(io).Status);
 302     ok(fbdi->FileNameLength == strlen(testfiles[0].name)*sizeof(WCHAR) &&
 303             !memcmp(fbdi->FileName, testfiles[0].nameW, fbdi->FileNameLength),
 304             "incorrect long file name: %s\n", wine_dbgstr_wn(fbdi->FileName,
 305                 fbdi->FileNameLength/sizeof(WCHAR)));
 306
 307     pNtClose(dirh);
 308
 309 done:
 310     tear_down_attribute_test(testdirA);
 311     pRtlFreeUnicodeString(&ntdirname);
 312 }
 313
 314 static void set_up_case_test(const char *testdir)
 315 {
 316     BOOL ret;
 317     char buf[MAX_PATH];
 318     HANDLE h;
 319
 320     ret = CreateDirectoryA(testdir, NULL);
 321     ok(ret, "couldn't create dir '%s', error %d\n", testdir, GetLastError());
 322
 323     sprintf(buf, "%s\\%s", testdir, "TesT");
 324     h = CreateFileA(buf, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 325                     FILE_ATTRIBUTE_NORMAL, 0);
 326     ok(h != INVALID_HANDLE_VALUE, "failed to create temp file '%s'\n", buf);
 327     CloseHandle(h);
 328 }
 329
 330 static void tear_down_case_test(const char *testdir)
 331 {
 332     int ret;
 333     char buf[MAX_PATH];
 334
 335     sprintf(buf, "%s\\%s", testdir, "TesT");
 336     ret = DeleteFileA(buf);
 337     ok(ret || (GetLastError() == ERROR_PATH_NOT_FOUND),
 338        "Failed to rm %s, error %d\n", buf, GetLastError());
 339     RemoveDirectoryA(testdir);
 340 }
 341
 342 static void test_NtQueryDirectoryFile_case(void)
 343 {
 344     static const char testfile[] = "TesT";
 345     static const WCHAR testfile_w[] = {'T','e','s','T'};
 346     static int testfile_len = sizeof(testfile) - 1;
 347     static WCHAR testmask[] = {'t','e','s','t'};
 348     OBJECT_ATTRIBUTES attr;
 349     UNICODE_STRING ntdirname;
 350     char testdir[MAX_PATH];
 351     WCHAR testdir_w[MAX_PATH];
 352     HANDLE dirh;
 353     UNICODE_STRING mask;
 354     IO_STATUS_BLOCK io;
 355     UINT data_size, data_len;
 356     BYTE data[8192];
 357     FILE_BOTH_DIRECTORY_INFORMATION *dir_info = (FILE_BOTH_DIRECTORY_INFORMATION *)data;
 358     DWORD status;
 359     WCHAR *name;
 360     ULONG name_len;
 361
 362     /* Clean up from prior aborted run, if any, then set up test files */
 363     ok(GetTempPathA(MAX_PATH, testdir), "couldn't get temp dir\n");
 364     strcat(testdir, "case.tmp");
 365     tear_down_case_test(testdir);
 366     set_up_case_test(testdir);
 367
 368     pRtlMultiByteToUnicodeN(testdir_w, sizeof(testdir_w), NULL, testdir, strlen(testdir) + 1);
 369     if (!pRtlDosPathNameToNtPathName_U(testdir_w, &ntdirname, NULL, NULL))
 370     {
 371         ok(0, "RtlDosPathNametoNtPathName_U failed\n");
 372         goto done;
 373     }
 374     InitializeObjectAttributes(&attr, &ntdirname, OBJ_CASE_INSENSITIVE, 0, NULL);
 375
 376     data_size = offsetof(FILE_BOTH_DIRECTORY_INFORMATION, FileName[256]);
 377
 378     status = pNtOpenFile(&dirh, SYNCHRONIZE | FILE_LIST_DIRECTORY, &attr, &io, FILE_SHARE_READ,
 379                          FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_BACKUP_INTENT | FILE_DIRECTORY_FILE);
 380     ok (status == STATUS_SUCCESS, "failed to open dir '%s', ret 0x%x, error %d\n", testdir, status, GetLastError());
 381     if (status != STATUS_SUCCESS)
 382     {
 383        skip("can't test if we can't open the directory\n");
 384        return;
 385     }
 386
 387     mask.Buffer = testmask;
 388     mask.Length = mask.MaximumLength = sizeof(testmask);
 389     pNtQueryDirectoryFile(dirh, NULL, NULL, NULL, &io, data, data_size,
 390                           FileBothDirectoryInformation, TRUE, &mask, FALSE);
 391     ok(U(io).Status == STATUS_SUCCESS, "failed to query directory; status %x\n", U(io).Status);
 392     data_len = io.Information;
 393     ok(data_len >= sizeof(FILE_BOTH_DIRECTORY_INFORMATION), "not enough data in directory\n");
 394
 395     name = dir_info->FileName;
 396     name_len = dir_info->FileNameLength / sizeof(WCHAR);
 397
 398     ok(name_len == testfile_len, "unexpected filename length %u\n", name_len);
 399     ok(!memcmp(name, testfile_w, testfile_len * sizeof(WCHAR)), "unexpected filename %s\n",
 400        wine_dbgstr_wn(name, name_len));
 401
 402     pNtClose(dirh);
 403
 404 done:
 405     tear_down_case_test(testdir);
 406     pRtlFreeUnicodeString(&ntdirname);
 407 }
 408
 409 static void test_redirection(void)
 410 {
 411     ULONG old, cur;
 412     NTSTATUS status;
 413
 414     if (!pRtlWow64EnableFsRedirection || !pRtlWow64EnableFsRedirectionEx)
 415     {
 416         skip( "Wow64 redirection not supported\n" );
 417         return;
 418     }
 419     status = pRtlWow64EnableFsRedirectionEx( FALSE, &old );
 420     if (status == STATUS_NOT_IMPLEMENTED)
 421     {
 422         skip( "Wow64 redirection not supported\n" );
 423         return;
 424     }
 425     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 426
 427     status = pRtlWow64EnableFsRedirectionEx( FALSE, &cur );
 428     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 429     ok( !cur, "RtlWow64EnableFsRedirectionEx got %u\n", cur );
 430
 431     status = pRtlWow64EnableFsRedirectionEx( TRUE, &cur );
 432     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 433     status = pRtlWow64EnableFsRedirectionEx( TRUE, &cur );
 434     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 435     ok( cur == 1, "RtlWow64EnableFsRedirectionEx got %u\n", cur );
 436
 437     status = pRtlWow64EnableFsRedirection( TRUE );
 438     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 439     status = pRtlWow64EnableFsRedirectionEx( TRUE, &cur );
 440     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 441     ok( !cur, "RtlWow64EnableFsRedirectionEx got %u\n", cur );
 442
 443     status = pRtlWow64EnableFsRedirectionEx( TRUE, NULL );
 444     ok( status == STATUS_ACCESS_VIOLATION, "RtlWow64EnableFsRedirectionEx failed with status %x\n", status );
 445     status = pRtlWow64EnableFsRedirectionEx( TRUE, (void*)1 );
 446     ok( status == STATUS_ACCESS_VIOLATION, "RtlWow64EnableFsRedirectionEx failed with status %x\n", status );
 447
 448     status = pRtlWow64EnableFsRedirection( FALSE );
 449     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 450     status = pRtlWow64EnableFsRedirectionEx( FALSE, &cur );
 451     ok( !status, "RtlWow64EnableFsRedirectionEx failed status %x\n", status );
 452     ok( cur == 1, "RtlWow64EnableFsRedirectionEx got %u\n", cur );
 453
 454     pRtlWow64EnableFsRedirectionEx( old, &cur );
 455 }
 456
 457 START_TEST(directory)
 458 {
 459     HMODULE hntdll = GetModuleHandleA("ntdll.dll");
 460     if (!hntdll)
 461     {
 462         skip("not running on NT, skipping test\n");
 463         return;
 464     }
 465
 466     pNtClose                = (void *)GetProcAddress(hntdll, "NtClose");
 467     pNtOpenFile             = (void *)GetProcAddress(hntdll, "NtOpenFile");
 468     pNtQueryDirectoryFile   = (void *)GetProcAddress(hntdll, "NtQueryDirectoryFile");
 469     pRtlCreateUnicodeStringFromAsciiz = (void *)GetProcAddress(hntdll, "RtlCreateUnicodeStringFromAsciiz");
 470     pRtlDosPathNameToNtPathName_U = (void *)GetProcAddress(hntdll, "RtlDosPathNameToNtPathName_U");
 471     pRtlInitUnicodeString   = (void *)GetProcAddress(hntdll, "RtlInitUnicodeString");
 472     pRtlFreeUnicodeString   = (void *)GetProcAddress(hntdll, "RtlFreeUnicodeString");
 473     pRtlMultiByteToUnicodeN = (void *)GetProcAddress(hntdll,"RtlMultiByteToUnicodeN");
 474     pRtlWow64EnableFsRedirection = (void *)GetProcAddress(hntdll,"RtlWow64EnableFsRedirection");
 475     pRtlWow64EnableFsRedirectionEx = (void *)GetProcAddress(hntdll,"RtlWow64EnableFsRedirectionEx");
 476
 477     test_NtQueryDirectoryFile();
 478     test_NtQueryDirectoryFile_case();
 479     test_redirection();
 480 }