modules/rostests/winetests/imagehlp/image.c

   1 /*
   2  * Copyright 2008 Juan Lang
   3  * Copyright 2010 Andrey Turkin
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19 #include <stdio.h>
  20 #include <stdarg.h>
  21
  22 #define NONAMELESSUNION
  23 #include <windef.h>
  24 #include <winbase.h>
  25 #include <winver.h>
  26 #include <winnt.h>
  27 #include <imagehlp.h>
  28
  29 #include "wine/test.h"
  30
  31 static HMODULE hImageHlp;
  32
  33 static BOOL (WINAPI *pImageGetDigestStream)(HANDLE, DWORD, DIGEST_FUNCTION, DIGEST_HANDLE);
  34 static BOOL (WINAPI *pBindImageEx)(DWORD Flags, const char *ImageName, const char *DllPath,
  35                                    const char *SymbolPath, PIMAGEHLP_STATUS_ROUTINE StatusRoutine);
  36 static DWORD (WINAPI *pGetImageUnusedHeaderBytes)(PLOADED_IMAGE, LPDWORD);
  37 static PLOADED_IMAGE (WINAPI *pImageLoad)(PCSTR, PCSTR);
  38 static BOOL (WINAPI *pImageUnload)(PLOADED_IMAGE);
  39
  40
  41 /* minimal PE file image */
  42 #define VA_START 0x400000
  43 #define FILE_PE_START 0x50
  44 #define NUM_SECTIONS 3
  45 #define FILE_TEXT 0x200
  46 #define RVA_TEXT 0x1000
  47 #define RVA_BSS 0x2000
  48 #define FILE_IDATA 0x400
  49 #define RVA_IDATA 0x3000
  50 #define FILE_TOTAL 0x600
  51 #define RVA_TOTAL 0x4000
  52 #include <pshpack1.h>
  53 struct Imports {
  54     IMAGE_IMPORT_DESCRIPTOR descriptors[2];
  55     IMAGE_THUNK_DATA32 original_thunks[2];
  56     IMAGE_THUNK_DATA32 thunks[2];
  57     struct __IMPORT_BY_NAME {
  58         WORD hint;
  59         char funcname[0x20];
  60     } ibn;
  61     char dllname[0x10];
  62 };
  63 #define EXIT_PROCESS (VA_START+RVA_IDATA+FIELD_OFFSET(struct Imports, thunks))
  64
  65 static struct _PeImage {
  66     IMAGE_DOS_HEADER dos_header;
  67     char __alignment1[FILE_PE_START - sizeof(IMAGE_DOS_HEADER)];
  68     IMAGE_NT_HEADERS32 nt_headers;
  69     IMAGE_SECTION_HEADER sections[NUM_SECTIONS];
  70     char __alignment2[FILE_TEXT - FILE_PE_START - sizeof(IMAGE_NT_HEADERS32) -
  71         NUM_SECTIONS * sizeof(IMAGE_SECTION_HEADER)];
  72     unsigned char text_section[FILE_IDATA-FILE_TEXT];
  73     struct Imports idata_section;
  74     char __alignment3[FILE_TOTAL-FILE_IDATA-sizeof(struct Imports)];
  75 } bin = {
  76     /* dos header */
  77     {IMAGE_DOS_SIGNATURE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0}, 0, 0, {0}, FILE_PE_START},
  78     /* alignment before PE header */
  79     {0},
  80     /* nt headers */
  81     {IMAGE_NT_SIGNATURE,
  82         /* basic headers - 3 sections, no symbols, EXE file */
  83         {IMAGE_FILE_MACHINE_I386, NUM_SECTIONS, 0, 0, 0, sizeof(IMAGE_OPTIONAL_HEADER32),
  84             IMAGE_FILE_32BIT_MACHINE | IMAGE_FILE_EXECUTABLE_IMAGE},
  85         /* optional header */
  86         {IMAGE_NT_OPTIONAL_HDR32_MAGIC, 4, 0, FILE_IDATA-FILE_TEXT,
  87             FILE_TOTAL-FILE_IDATA + FILE_IDATA-FILE_TEXT, 0x400,
  88             RVA_TEXT, RVA_TEXT, RVA_BSS, VA_START, 0x1000, 0x200, 4, 0, 1, 0, 4, 0, 0,
  89             RVA_TOTAL, FILE_TEXT, 0, IMAGE_SUBSYSTEM_WINDOWS_GUI, 0,
  90             0x200000, 0x1000, 0x100000, 0x1000, 0, 0x10,
  91             {{0, 0},
  92              {RVA_IDATA, sizeof(struct Imports)}
  93             }
  94         }
  95     },
  96     /* sections */
  97     {
  98         {".text", {0x100}, RVA_TEXT, FILE_IDATA-FILE_TEXT, FILE_TEXT,
  99             0, 0, 0, 0, IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ},
 100         {".bss", {0x400}, RVA_BSS, 0, 0, 0, 0, 0, 0,
 101             IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE},
 102         {".idata", {sizeof(struct Imports)}, RVA_IDATA, FILE_TOTAL-FILE_IDATA, FILE_IDATA, 0,
 103             0, 0, 0, IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE}
 104     },
 105     /* alignment before first section */
 106     {0},
 107     /* .text section */
 108     {
 109         0x31, 0xC0, /* xor eax, eax */
 110         0xFF, 0x25, EXIT_PROCESS&0xFF, (EXIT_PROCESS>>8)&0xFF, (EXIT_PROCESS>>16)&0xFF,
 111             (EXIT_PROCESS>>24)&0xFF, /* jmp ExitProcess */
 112         0
 113     },
 114     /* .idata section */
 115     {
 116         {
 117             {{RVA_IDATA + FIELD_OFFSET(struct Imports, original_thunks)}, 0, 0,
 118             RVA_IDATA + FIELD_OFFSET(struct Imports, dllname),
 119             RVA_IDATA + FIELD_OFFSET(struct Imports, thunks)
 120             },
 121             {{0}, 0, 0, 0, 0}
 122         },
 123         {{{RVA_IDATA+FIELD_OFFSET(struct Imports, ibn)}}, {{0}}},
 124         {{{RVA_IDATA+FIELD_OFFSET(struct Imports, ibn)}}, {{0}}},
 125         {0,"ExitProcess"},
 126         "KERNEL32.DLL"
 127     },
 128     /* final alignment */
 129     {0}
 130 };
 131 #include <poppack.h>
 132
 133 struct blob
 134 {
 135     DWORD cb;
 136     BYTE *pb;
 137 };
 138
 139 struct expected_blob
 140 {
 141     DWORD cb;
 142     const void *pb;
 143 };
 144
 145 struct update_accum
 146 {
 147     DWORD cUpdates;
 148     struct blob *updates;
 149 };
 150
 151 struct expected_update_accum
 152 {
 153     DWORD cUpdates;
 154     const struct expected_blob *updates;
 155     BOOL  todo;
 156 };
 157
 158 static int status_routine_called[BindSymbolsNotUpdated+1];
 159
 160
 161 static BOOL WINAPI accumulating_stream_output(DIGEST_HANDLE handle, BYTE *pb,
 162  DWORD cb)
 163 {
 164     struct update_accum *accum = (struct update_accum *)handle;
 165     BOOL ret = FALSE;
 166
 167     if (accum->cUpdates)
 168         accum->updates = HeapReAlloc(GetProcessHeap(), 0, accum->updates,
 169          (accum->cUpdates + 1) * sizeof(struct blob));
 170     else
 171         accum->updates = HeapAlloc(GetProcessHeap(), 0, sizeof(struct blob));
 172     if (accum->updates)
 173     {
 174         struct blob *blob = &accum->updates[accum->cUpdates];
 175
 176         blob->pb = HeapAlloc(GetProcessHeap(), 0, cb);
 177         if (blob->pb)
 178         {
 179             memcpy(blob->pb, pb, cb);
 180             blob->cb = cb;
 181             ret = TRUE;
 182         }
 183         accum->cUpdates++;
 184     }
 185     return ret;
 186 }
 187
 188 static void check_updates(LPCSTR header, const struct expected_update_accum *expected,
 189         const struct update_accum *got)
 190 {
 191     DWORD i;
 192
 193     todo_wine_if (expected->todo)
 194         ok(expected->cUpdates == got->cUpdates, "%s: expected %d updates, got %d\n",
 195             header, expected->cUpdates, got->cUpdates);
 196     for (i = 0; i < min(expected->cUpdates, got->cUpdates); i++)
 197     {
 198         ok(expected->updates[i].cb == got->updates[i].cb, "%s, update %d: expected %d bytes, got %d\n",
 199                 header, i, expected->updates[i].cb, got->updates[i].cb);
 200         if (expected->updates[i].cb && expected->updates[i].cb == got->updates[i].cb)
 201             ok(!memcmp(expected->updates[i].pb, got->updates[i].pb, got->updates[i].cb),
 202                     "%s, update %d: unexpected value\n", header, i);
 203     }
 204 }
 205
 206 /* Frees the updates stored in accum */
 207 static void free_updates(struct update_accum *accum)
 208 {
 209     DWORD i;
 210
 211     for (i = 0; i < accum->cUpdates; i++)
 212         HeapFree(GetProcessHeap(), 0, accum->updates[i].pb);
 213     HeapFree(GetProcessHeap(), 0, accum->updates);
 214     accum->updates = NULL;
 215     accum->cUpdates = 0;
 216 }
 217
 218 static const struct expected_blob b1[] = {
 219     {FILE_PE_START,  &bin},
 220     /* with zeroed Checksum/SizeOfInitializedData/SizeOfImage fields */
 221     {sizeof(bin.nt_headers), &bin.nt_headers},
 222     {sizeof(bin.sections),  &bin.sections},
 223     {FILE_IDATA-FILE_TEXT, &bin.text_section},
 224     {sizeof(bin.idata_section.descriptors[0].u.OriginalFirstThunk),
 225         &bin.idata_section.descriptors[0].u.OriginalFirstThunk},
 226     {FIELD_OFFSET(struct Imports, thunks)-
 227         (FIELD_OFFSET(struct Imports, descriptors)+FIELD_OFFSET(IMAGE_IMPORT_DESCRIPTOR, Name)),
 228         &bin.idata_section.descriptors[0].Name},
 229     {FILE_TOTAL-FILE_IDATA-FIELD_OFFSET(struct Imports, ibn),
 230         &bin.idata_section.ibn}
 231 };
 232 static const struct expected_update_accum a1 = { ARRAY_SIZE(b1), b1, TRUE };
 233
 234 static const struct expected_blob b2[] = {
 235     {FILE_PE_START,  &bin},
 236     /* with zeroed Checksum/SizeOfInitializedData/SizeOfImage fields */
 237     {sizeof(bin.nt_headers), &bin.nt_headers},
 238     {sizeof(bin.sections),  &bin.sections},
 239     {FILE_IDATA-FILE_TEXT, &bin.text_section},
 240     {FILE_TOTAL-FILE_IDATA, &bin.idata_section}
 241 };
 242 static const struct expected_update_accum a2 = { ARRAY_SIZE(b2), b2, FALSE };
 243
 244 /* Creates a test file and returns a handle to it.  The file's path is returned
 245  * in temp_file, which must be at least MAX_PATH characters in length.
 246  */
 247 static HANDLE create_temp_file(char *temp_file)
 248 {
 249     HANDLE file = INVALID_HANDLE_VALUE;
 250     char temp_path[MAX_PATH];
 251
 252     if (GetTempPathA(sizeof(temp_path), temp_path))
 253     {
 254         if (GetTempFileNameA(temp_path, "img", 0, temp_file))
 255             file = CreateFileA(temp_file, GENERIC_READ | GENERIC_WRITE, 0, NULL,
 256              CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
 257     }
 258     return file;
 259 }
 260
 261 static void update_checksum(void)
 262 {
 263     WORD const * ptr;
 264     DWORD size;
 265     DWORD sum = 0;
 266
 267     bin.nt_headers.OptionalHeader.CheckSum = 0;
 268
 269     for(ptr = (WORD const *)&bin, size = (sizeof(bin)+1)/sizeof(WORD); size > 0; ptr++, size--)
 270     {
 271         sum += *ptr;
 272         if (HIWORD(sum) != 0)
 273         {
 274             sum = LOWORD(sum) + HIWORD(sum);
 275         }
 276     }
 277     sum = (WORD)(LOWORD(sum) + HIWORD(sum));
 278     sum += sizeof(bin);
 279
 280     bin.nt_headers.OptionalHeader.CheckSum = sum;
 281 }
 282
 283 static BOOL CALLBACK testing_status_routine(IMAGEHLP_STATUS_REASON reason, const char *ImageName,
 284                                             const char *DllName, ULONG_PTR Va, ULONG_PTR Parameter)
 285 {
 286     char kernel32_path[MAX_PATH];
 287
 288     if (0 <= (int)reason && reason <= BindSymbolsNotUpdated)
 289       status_routine_called[reason]++;
 290     else
 291       ok(0, "expected reason between 0 and %d, got %d\n", BindSymbolsNotUpdated+1, reason);
 292
 293     switch(reason)
 294     {
 295         case BindImportModule:
 296             ok(!strcmp(DllName, "KERNEL32.DLL"), "expected DllName to be KERNEL32.DLL, got %s\n",
 297                DllName);
 298             break;
 299
 300         case BindImportProcedure:
 301         case BindForwarderNOT:
 302             GetSystemDirectoryA(kernel32_path, MAX_PATH);
 303             strcat(kernel32_path, "\\KERNEL32.DLL");
 304             ok(!lstrcmpiA(DllName, kernel32_path), "expected DllName to be %s, got %s\n",
 305                kernel32_path, DllName);
 306             ok(!strcmp((char *)Parameter, "ExitProcess"),
 307                "expected Parameter to be ExitProcess, got %s\n", (char *)Parameter);
 308             break;
 309
 310         default:
 311             ok(0, "got unexpected reason %d\n", reason);
 312             break;
 313     }
 314     return TRUE;
 315 }
 316
 317 static void test_get_digest_stream(void)
 318 {
 319     BOOL ret;
 320     HANDLE file;
 321     char temp_file[MAX_PATH];
 322     DWORD count;
 323     struct update_accum accum = { 0, NULL };
 324
 325     if (!pImageGetDigestStream)
 326     {
 327         win_skip("ImageGetDigestStream function is not available\n");
 328         return;
 329     }
 330     SetLastError(0xdeadbeef);
 331     ret = pImageGetDigestStream(NULL, 0, NULL, NULL);
 332     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
 333      "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 334     file = create_temp_file(temp_file);
 335     if (file == INVALID_HANDLE_VALUE)
 336     {
 337         skip("couldn't create temp file\n");
 338         return;
 339     }
 340     SetLastError(0xdeadbeef);
 341     ret = pImageGetDigestStream(file, 0, NULL, NULL);
 342     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
 343      "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 344     SetLastError(0xdeadbeef);
 345     ret = pImageGetDigestStream(NULL, 0, accumulating_stream_output, &accum);
 346     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
 347      "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 348     /* Even with "valid" parameters, it fails with an empty file */
 349     SetLastError(0xdeadbeef);
 350     ret = pImageGetDigestStream(file, 0, accumulating_stream_output, &accum);
 351     ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
 352      "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 353     /* Finally, with a valid executable in the file, it succeeds.  Note that
 354      * the file pointer need not be positioned at the beginning.
 355      */
 356     update_checksum();
 357     WriteFile(file, &bin, sizeof(bin), &count, NULL);
 358     FlushFileBuffers(file);
 359
 360     /* zero out some fields ImageGetDigestStream would zero out */
 361     bin.nt_headers.OptionalHeader.CheckSum = 0;
 362     bin.nt_headers.OptionalHeader.SizeOfInitializedData = 0;
 363     bin.nt_headers.OptionalHeader.SizeOfImage = 0;
 364
 365     ret = pImageGetDigestStream(file, 0, accumulating_stream_output, &accum);
 366     ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
 367     check_updates("flags = 0", &a1, &accum);
 368     free_updates(&accum);
 369     ret = pImageGetDigestStream(file, CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO,
 370      accumulating_stream_output, &accum);
 371     ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
 372     check_updates("flags = CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO", &a2, &accum);
 373     free_updates(&accum);
 374     CloseHandle(file);
 375     DeleteFileA(temp_file);
 376 }
 377
 378 static void test_bind_image_ex(void)
 379 {
 380     BOOL ret;
 381     HANDLE file;
 382     char temp_file[MAX_PATH];
 383     DWORD count;
 384
 385     if (!pBindImageEx)
 386     {
 387         win_skip("BindImageEx function is not available\n");
 388         return;
 389     }
 390
 391     /* call with a non-existent file */
 392     SetLastError(0xdeadbeef);
 393     ret = pBindImageEx(BIND_NO_BOUND_IMPORTS | BIND_NO_UPDATE | BIND_ALL_IMAGES, "nonexistent.dll", 0, 0,
 394                        testing_status_routine);
 395     ok(!ret && ((GetLastError() == ERROR_FILE_NOT_FOUND) ||
 396        (GetLastError() == ERROR_INVALID_PARAMETER)),
 397        "expected ERROR_FILE_NOT_FOUND or ERROR_INVALID_PARAMETER, got %d\n",
 398        GetLastError());
 399
 400     file = create_temp_file(temp_file);
 401     if (file == INVALID_HANDLE_VALUE)
 402     {
 403         skip("couldn't create temp file\n");
 404         return;
 405     }
 406
 407     WriteFile(file, &bin, sizeof(bin), &count, NULL);
 408     CloseHandle(file);
 409
 410     /* call with a proper PE file, but with StatusRoutine set to NULL */
 411     ret = pBindImageEx(BIND_NO_BOUND_IMPORTS | BIND_NO_UPDATE | BIND_ALL_IMAGES, temp_file, 0, 0,
 412                        NULL);
 413     ok(ret, "BindImageEx failed: %d\n", GetLastError());
 414
 415     /* call with a proper PE file and StatusRoutine */
 416     ret = pBindImageEx(BIND_NO_BOUND_IMPORTS | BIND_NO_UPDATE | BIND_ALL_IMAGES, temp_file, 0, 0,
 417                        testing_status_routine);
 418     ok(ret, "BindImageEx failed: %d\n", GetLastError());
 419
 420     ok(status_routine_called[BindImportModule] == 1,
 421        "StatusRoutine was called %d times\n", status_routine_called[BindImportModule]);
 422
 423     ok((status_routine_called[BindImportProcedure] == 1)
 424 #if defined(_WIN64)
 425        || broken(status_routine_called[BindImportProcedure] == 0) /* < Win8 */
 426 #endif
 427        , "StatusRoutine was called %d times\n", status_routine_called[BindImportProcedure]);
 428
 429     DeleteFileA(temp_file);
 430 }
 431
 432 static void test_image_load(void)
 433 {
 434     char temp_file[MAX_PATH];
 435     PLOADED_IMAGE img;
 436     DWORD ret, count;
 437     HANDLE file;
 438
 439     if (!pImageLoad || !pImageUnload || !pGetImageUnusedHeaderBytes)
 440     {
 441         win_skip("ImageLoad functions are not available\n");
 442         return;
 443     }
 444
 445     file = create_temp_file(temp_file);
 446     if (file == INVALID_HANDLE_VALUE)
 447     {
 448         skip("couldn't create temp file\n");
 449         return;
 450     }
 451
 452     WriteFile(file, &bin, sizeof(bin), &count, NULL);
 453     CloseHandle(file);
 454
 455     img = pImageLoad(temp_file, NULL);
 456     ok(img != NULL, "ImageLoad unexpectedly failed\n");
 457
 458     if (img)
 459     {
 460         ok(!strcmp(img->ModuleName, temp_file),
 461            "unexpected ModuleName, got %s instead of %s\n", img->ModuleName, temp_file);
 462         ok(img->MappedAddress != NULL, "MappedAddress != NULL\n");
 463         if (img->MappedAddress)
 464         {
 465             ok(!memcmp(img->MappedAddress, &bin.dos_header, sizeof(bin.dos_header)),
 466                "MappedAddress doesn't point to IMAGE_DOS_HEADER\n");
 467         }
 468         ok(img->FileHeader != NULL, "FileHeader != NULL\n");
 469         if (img->FileHeader)
 470         {
 471             ok(!memcmp(img->FileHeader, &bin.nt_headers, sizeof(bin.nt_headers)),
 472                 "FileHeader doesn't point to IMAGE_NT_HEADERS32\n");
 473         }
 474         ok(img->NumberOfSections == 3,
 475            "unexpected NumberOfSections, got %d instead of 3\n", img->NumberOfSections);
 476         if (img->NumberOfSections >= 3)
 477         {
 478             ok(!strcmp((const char *)img->Sections[0].Name, ".text"),
 479                "unexpected name for section 0, expected .text, got %s\n",
 480                (const char *)img->Sections[0].Name);
 481             ok(!strcmp((const char *)img->Sections[1].Name, ".bss"),
 482                "unexpected name for section 1, expected .bss, got %s\n",
 483                (const char *)img->Sections[1].Name);
 484             ok(!strcmp((const char *)img->Sections[2].Name, ".idata"),
 485                "unexpected name for section 2, expected .idata, got %s\n",
 486                (const char *)img->Sections[2].Name);
 487         }
 488         ok(img->Characteristics == 0x102,
 489            "unexpected Characteristics, got 0x%x instead of 0x102\n", img->Characteristics);
 490         ok(img->fSystemImage == 0,
 491            "unexpected fSystemImage, got %d instead of 0\n", img->fSystemImage);
 492         ok(img->fDOSImage == 0,
 493            "unexpected fDOSImage, got %d instead of 0\n", img->fDOSImage);
 494         todo_wine ok(img->fReadOnly == 1 || broken(!img->fReadOnly) /* <= WinXP */,
 495            "unexpected fReadOnly, got %d instead of 1\n", img->fReadOnly);
 496         todo_wine ok(img->Version == 1 || broken(!img->Version) /* <= WinXP */,
 497            "unexpected Version, got %d instead of 1\n", img->Version);
 498         ok(img->SizeOfImage == 0x600,
 499            "unexpected SizeOfImage, got 0x%x instead of 0x600\n", img->SizeOfImage);
 500
 501         count = 0xdeadbeef;
 502         ret = pGetImageUnusedHeaderBytes(img, &count);
 503         todo_wine
 504         ok(ret == 448, "GetImageUnusedHeaderBytes returned %u instead of 448\n", ret);
 505         todo_wine
 506         ok(count == 64, "unexpected size for unused header bytes, got %u instead of 64\n", count);
 507
 508         pImageUnload(img);
 509     }
 510
 511     DeleteFileA(temp_file);
 512 }
 513
 514 START_TEST(image)
 515 {
 516     hImageHlp = LoadLibraryA("imagehlp.dll");
 517
 518     if (!hImageHlp)
 519     {
 520         win_skip("ImageHlp unavailable\n");
 521         return;
 522     }
 523
 524     pImageGetDigestStream = (void *) GetProcAddress(hImageHlp, "ImageGetDigestStream");
 525     pBindImageEx = (void *) GetProcAddress(hImageHlp, "BindImageEx");
 526     pGetImageUnusedHeaderBytes = (void *) GetProcAddress(hImageHlp, "GetImageUnusedHeaderBytes");
 527     pImageLoad = (void *) GetProcAddress(hImageHlp, "ImageLoad");
 528     pImageUnload = (void *) GetProcAddress(hImageHlp, "ImageUnload");
 529
 530     test_get_digest_stream();
 531     test_bind_image_ex();
 532     test_image_load();
 533
 534     FreeLibrary(hImageHlp);
 535 }