git.oblomov.eu Git - wine/blob - dlls/kernel32/tests/loader.c

   1 /*
   2  * Unit test suite for the PE loader.
   3  *
   4  * Copyright 2006,2011 Dmitry Timoshkov
   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 <stdarg.h>
  22 #include <assert.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/test.h"
  27
  28 #define ALIGN_SIZE(size, alignment) (((size) + (alignment - 1)) & ~((alignment - 1)))
  29
  30 static PVOID RVAToAddr(DWORD_PTR rva, HMODULE module)
  31 {
  32     if (rva == 0)
  33         return NULL;
  34     return ((char*) module) + rva;
  35 }
  36
  37 static const struct
  38 {
  39     WORD e_magic;      /* 00: MZ Header signature */
  40     WORD unused[29];
  41     DWORD e_lfanew;    /* 3c: Offset to extended header */
  42 } dos_header =
  43 {
  44     IMAGE_DOS_SIGNATURE, { 0 }, sizeof(dos_header)
  45 };
  46
  47 static IMAGE_NT_HEADERS nt_header =
  48 {
  49     IMAGE_NT_SIGNATURE, /* Signature */
  50     {
  51 #if defined __i386__
  52       IMAGE_FILE_MACHINE_I386, /* Machine */
  53 #elif defined __x86_64__
  54       IMAGE_FILE_MACHINE_AMD64, /* Machine */
  55 #elif defined __powerpc__
  56       IMAGE_FILE_MACHINE_POWERPC, /* Machine */
  57 #elif defined __sparc__
  58       IMAGE_FILE_MACHINE_SPARC, /* Machine */
  59 #elif defined __arm__
  60       IMAGE_FILE_MACHINE_ARMV7, /* Machine */
  61 #else
  62 # error You must specify the machine type
  63 #endif
  64       1, /* NumberOfSections */
  65       0, /* TimeDateStamp */
  66       0, /* PointerToSymbolTable */
  67       0, /* NumberOfSymbols */
  68       sizeof(IMAGE_OPTIONAL_HEADER), /* SizeOfOptionalHeader */
  69       IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL /* Characteristics */
  70     },
  71     { IMAGE_NT_OPTIONAL_HDR_MAGIC, /* Magic */
  72       1, /* MajorLinkerVersion */
  73       0, /* MinorLinkerVersion */
  74       0, /* SizeOfCode */
  75       0, /* SizeOfInitializedData */
  76       0, /* SizeOfUninitializedData */
  77       0, /* AddressOfEntryPoint */
  78       0x10, /* BaseOfCode, also serves as e_lfanew in the truncated MZ header */
  79 #ifndef _WIN64
  80       0, /* BaseOfData */
  81 #endif
  82       0x10000000, /* ImageBase */
  83       0, /* SectionAlignment */
  84       0, /* FileAlignment */
  85       4, /* MajorOperatingSystemVersion */
  86       0, /* MinorOperatingSystemVersion */
  87       1, /* MajorImageVersion */
  88       0, /* MinorImageVersion */
  89       4, /* MajorSubsystemVersion */
  90       0, /* MinorSubsystemVersion */
  91       0, /* Win32VersionValue */
  92       sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000, /* SizeOfImage */
  93       sizeof(dos_header) + sizeof(nt_header), /* SizeOfHeaders */
  94       0, /* CheckSum */
  95       IMAGE_SUBSYSTEM_WINDOWS_CUI, /* Subsystem */
  96       0, /* DllCharacteristics */
  97       0, /* SizeOfStackReserve */
  98       0, /* SizeOfStackCommit */
  99       0, /* SizeOfHeapReserve */
 100       0, /* SizeOfHeapCommit */
 101       0, /* LoaderFlags */
 102       0, /* NumberOfRvaAndSizes */
 103       { { 0 } } /* DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] */
 104     }
 105 };
 106
 107 static IMAGE_SECTION_HEADER section =
 108 {
 109     ".rodata", /* Name */
 110     { 0x10 }, /* Misc */
 111     0, /* VirtualAddress */
 112     0x0a, /* SizeOfRawData */
 113     0, /* PointerToRawData */
 114     0, /* PointerToRelocations */
 115     0, /* PointerToLinenumbers */
 116     0, /* NumberOfRelocations */
 117     0, /* NumberOfLinenumbers */
 118     IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ, /* Characteristics */
 119 };
 120
 121 static void test_Loader(void)
 122 {
 123     static const struct test_data
 124     {
 125         const void *dos_header;
 126         DWORD size_of_dos_header;
 127         WORD number_of_sections, size_of_optional_header;
 128         DWORD section_alignment, file_alignment;
 129         DWORD size_of_image, size_of_headers;
 130         DWORD errors[4]; /* 0 means LoadLibrary should succeed */
 131     } td[] =
 132     {
 133         { &dos_header, sizeof(dos_header),
 134           1, 0, 0, 0, 0, 0,
 135           { ERROR_BAD_EXE_FORMAT }
 136         },
 137         { &dos_header, sizeof(dos_header),
 138           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 139           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0xe00,
 140           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 141           { ERROR_BAD_EXE_FORMAT } /* XP doesn't like too small image size */
 142         },
 143         { &dos_header, sizeof(dos_header),
 144           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 145           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 146           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 147           { ERROR_SUCCESS }
 148         },
 149         { &dos_header, sizeof(dos_header),
 150           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 151           0x1f00,
 152           0x1000,
 153           { ERROR_SUCCESS }
 154         },
 155         { &dos_header, sizeof(dos_header),
 156           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x200,
 157           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x200,
 158           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 159           { ERROR_SUCCESS, ERROR_INVALID_ADDRESS } /* vista is more strict */
 160         },
 161         { &dos_header, sizeof(dos_header),
 162           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x1000,
 163           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 164           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 165           { ERROR_BAD_EXE_FORMAT } /* XP doesn't like alignments */
 166         },
 167         { &dos_header, sizeof(dos_header),
 168           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
 169           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 170           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 171           { ERROR_SUCCESS }
 172         },
 173         { &dos_header, sizeof(dos_header),
 174           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
 175           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 176           0x200,
 177           { ERROR_SUCCESS }
 178         },
 179         /* Mandatory are all fields up to SizeOfHeaders, everything else
 180          * is really optional (at least that's true for XP).
 181          */
 182         { &dos_header, sizeof(dos_header),
 183           1, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 184           sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER) + 0x10,
 185           sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER),
 186           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT, ERROR_INVALID_ADDRESS,
 187             ERROR_NOACCESS }
 188         },
 189         { &dos_header, sizeof(dos_header),
 190           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 191           0xd0, /* beyond of the end of file */
 192           0xc0, /* beyond of the end of file */
 193           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT } /* vista is more strict */
 194         },
 195         { &dos_header, sizeof(dos_header),
 196           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 197           0x1000,
 198           0,
 199           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT } /* vista is more strict */
 200         },
 201         { &dos_header, sizeof(dos_header),
 202           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 203           1,
 204           0,
 205           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT } /* vista is more strict */
 206         },
 207 #if 0 /* not power of 2 alignments need more test cases */
 208         { &dos_header, sizeof(dos_header),
 209           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x300, 0x300,
 210           1,
 211           0,
 212           { ERROR_BAD_EXE_FORMAT } /* alignment is not power of 2 */
 213         },
 214 #endif
 215         { &dos_header, sizeof(dos_header),
 216           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 4, 4,
 217           1,
 218           0,
 219           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT } /* vista is more strict */
 220         },
 221         { &dos_header, sizeof(dos_header),
 222           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 1, 1,
 223           1,
 224           0,
 225           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT } /* vista is more strict */
 226         },
 227         { &dos_header, sizeof(dos_header),
 228           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 229           0,
 230           0,
 231           { ERROR_BAD_EXE_FORMAT } /* image size == 0 -> failure */
 232         },
 233         /* the following data mimics the PE image which upack creates */
 234         { &dos_header, 0x10,
 235           1, 0x148, 0x1000, 0x200,
 236           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 237           0x200,
 238           { ERROR_SUCCESS }
 239         },
 240         /* Minimal PE image that XP is able to load: 92 bytes */
 241         { &dos_header, 0x04,
 242           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum),
 243           0x04 /* also serves as e_lfanew in the truncated MZ header */, 0x04,
 244           1,
 245           0,
 246           { ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT } /* vista is more strict */
 247         }
 248     };
 249     static const char filler[0x1000];
 250     static const char section_data[0x10] = "section data";
 251     int i;
 252     DWORD dummy, file_size, file_align;
 253     HANDLE hfile;
 254     HMODULE hlib, hlib_as_data_file;
 255     SYSTEM_INFO si;
 256     char temp_path[MAX_PATH];
 257     char dll_name[MAX_PATH];
 258     SIZE_T size;
 259     BOOL ret;
 260
 261     GetSystemInfo(&si);
 262     trace("system page size 0x%04x\n", si.dwPageSize);
 263
 264     /* prevent displaying of the "Unable to load this DLL" message box */
 265     SetErrorMode(SEM_FAILCRITICALERRORS);
 266
 267     GetTempPath(MAX_PATH, temp_path);
 268
 269     for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
 270     {
 271         GetTempFileName(temp_path, "ldr", 0, dll_name);
 272
 273         /*trace("creating %s\n", dll_name);*/
 274         hfile = CreateFileA(dll_name, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
 275         if (hfile == INVALID_HANDLE_VALUE)
 276         {
 277             ok(0, "could not create %s\n", dll_name);
 278             break;
 279         }
 280
 281         SetLastError(0xdeadbeef);
 282         ret = WriteFile(hfile, td[i].dos_header, td[i].size_of_dos_header, &dummy, NULL);
 283         ok(ret, "WriteFile error %d\n", GetLastError());
 284
 285         nt_header.FileHeader.NumberOfSections = td[i].number_of_sections;
 286         nt_header.FileHeader.SizeOfOptionalHeader = td[i].size_of_optional_header;
 287
 288         nt_header.OptionalHeader.SectionAlignment = td[i].section_alignment;
 289         nt_header.OptionalHeader.FileAlignment = td[i].file_alignment;
 290         nt_header.OptionalHeader.SizeOfImage = td[i].size_of_image;
 291         nt_header.OptionalHeader.SizeOfHeaders = td[i].size_of_headers;
 292         SetLastError(0xdeadbeef);
 293         ret = WriteFile(hfile, &nt_header, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER), &dummy, NULL);
 294         ok(ret, "WriteFile error %d\n", GetLastError());
 295
 296         if (nt_header.FileHeader.SizeOfOptionalHeader)
 297         {
 298             SetLastError(0xdeadbeef);
 299             ret = WriteFile(hfile, &nt_header.OptionalHeader,
 300                             min(nt_header.FileHeader.SizeOfOptionalHeader, sizeof(IMAGE_OPTIONAL_HEADER)),
 301                             &dummy, NULL);
 302             ok(ret, "WriteFile error %d\n", GetLastError());
 303             if (nt_header.FileHeader.SizeOfOptionalHeader > sizeof(IMAGE_OPTIONAL_HEADER))
 304             {
 305                 file_align = nt_header.FileHeader.SizeOfOptionalHeader - sizeof(IMAGE_OPTIONAL_HEADER);
 306                 assert(file_align < sizeof(filler));
 307                 SetLastError(0xdeadbeef);
 308                 ret = WriteFile(hfile, filler, file_align, &dummy, NULL);
 309                 ok(ret, "WriteFile error %d\n", GetLastError());
 310             }
 311         }
 312
 313         assert(nt_header.FileHeader.NumberOfSections <= 1);
 314         if (nt_header.FileHeader.NumberOfSections)
 315         {
 316             if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 317             {
 318                 section.PointerToRawData = td[i].size_of_dos_header;
 319                 section.VirtualAddress = nt_header.OptionalHeader.SectionAlignment;
 320                 section.Misc.VirtualSize = section.SizeOfRawData * 10;
 321             }
 322             else
 323             {
 324                 section.PointerToRawData = nt_header.OptionalHeader.SizeOfHeaders;
 325                 section.VirtualAddress = nt_header.OptionalHeader.SizeOfHeaders;
 326                 section.Misc.VirtualSize = 5;
 327             }
 328
 329             SetLastError(0xdeadbeef);
 330             ret = WriteFile(hfile, &section, sizeof(section), &dummy, NULL);
 331             ok(ret, "WriteFile error %d\n", GetLastError());
 332
 333             /* section data */
 334             SetLastError(0xdeadbeef);
 335             ret = WriteFile(hfile, section_data, sizeof(section_data), &dummy, NULL);
 336             ok(ret, "WriteFile error %d\n", GetLastError());
 337         }
 338
 339         file_size = GetFileSize(hfile, NULL);
 340         CloseHandle(hfile);
 341
 342         SetLastError(0xdeadbeef);
 343         hlib = LoadLibrary(dll_name);
 344         if (hlib)
 345         {
 346             MEMORY_BASIC_INFORMATION info;
 347
 348             ok( td[i].errors[0] == ERROR_SUCCESS, "%d: should have failed\n", i );
 349
 350             SetLastError(0xdeadbeef);
 351             size = VirtualQuery(hlib, &info, sizeof(info));
 352             ok(size == sizeof(info),
 353                 "%d: VirtualQuery error %d\n", i, GetLastError());
 354             ok(info.BaseAddress == hlib, "%d: %p != %p\n", i, info.BaseAddress, hlib);
 355             ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 356             ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 357             ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
 358                i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 359             ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 360             if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
 361                 ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 362             else
 363                 ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 364             ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 365
 366             SetLastError(0xdeadbeef);
 367             size = VirtualQuery((char *)hlib + info.RegionSize, &info, sizeof(info));
 368             ok(size == sizeof(info),
 369                 "%d: VirtualQuery error %d\n", i, GetLastError());
 370             if (nt_header.OptionalHeader.SectionAlignment == si.dwPageSize ||
 371                 nt_header.OptionalHeader.SectionAlignment == nt_header.OptionalHeader.FileAlignment)
 372             {
 373                 ok(info.BaseAddress == (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %p != expected %p\n",
 374                    i, info.BaseAddress, (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 375                 ok(info.AllocationBase == 0, "%d: %p != 0\n", i, info.AllocationBase);
 376                 ok(info.AllocationProtect == 0, "%d: %x != 0\n", i, info.AllocationProtect);
 377                 /*ok(info.RegionSize == not_practical_value, "%d: %lx != not_practical_value\n", i, info.RegionSize);*/
 378                 ok(info.State == MEM_FREE, "%d: %x != MEM_FREE\n", i, info.State);
 379                 ok(info.Type == 0, "%d: %x != 0\n", i, info.Type);
 380                 ok(info.Protect == PAGE_NOACCESS, "%d: %x != PAGE_NOACCESS\n", i, info.Protect);
 381             }
 382             else
 383             {
 384                 ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 385                 ok(info.BaseAddress == hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, hlib);
 386                 ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 387                 ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 388                 ok(info.RegionSize == ALIGN_SIZE(file_size, si.dwPageSize), "%d: got %lx != expected %x\n",
 389                    i, info.RegionSize, ALIGN_SIZE(file_size, si.dwPageSize));
 390                 ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 391                 ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 392                 ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 393             }
 394
 395             /* header: check the zeroing of alignment */
 396             if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 397             {
 398                 const char *start;
 399                 int size;
 400
 401                 start = (const char *)hlib + nt_header.OptionalHeader.SizeOfHeaders;
 402                 size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
 403                 ok(!memcmp(start, filler, size), "%d: header alignment is not cleared\n", i);
 404             }
 405
 406             if (nt_header.FileHeader.NumberOfSections)
 407             {
 408                 SetLastError(0xdeadbeef);
 409                 size = VirtualQuery((char *)hlib + section.VirtualAddress, &info, sizeof(info));
 410                 ok(size == sizeof(info),
 411                     "%d: VirtualQuery error %d\n", i, GetLastError());
 412                 if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
 413                 {
 414                     ok(info.BaseAddress == hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, hlib);
 415                     ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
 416                        i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 417                     ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 418                 }
 419                 else
 420                 {
 421                     ok(info.BaseAddress == (char *)hlib + section.VirtualAddress, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib + section.VirtualAddress);
 422                     ok(info.RegionSize == ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize), "%d: got %lx != expected %x\n",
 423                        i, info.RegionSize, ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize));
 424                     ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 425                 }
 426                 ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 427                 ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 428                 ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 429                 ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 430
 431                 if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 432                     ok(!memcmp((const char *)hlib + section.VirtualAddress + section.PointerToRawData, &nt_header, section.SizeOfRawData), "wrong section data\n");
 433                 else
 434                     ok(!memcmp((const char *)hlib + section.PointerToRawData, section_data, section.SizeOfRawData), "wrong section data\n");
 435
 436                 /* check the zeroing of alignment */
 437                 if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 438                 {
 439                     const char *start;
 440                     int size;
 441
 442                     start = (const char *)hlib + section.VirtualAddress + section.PointerToRawData + section.SizeOfRawData;
 443                     size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
 444                     ok(memcmp(start, filler, size), "%d: alignment should not be cleared\n", i);
 445                 }
 446             }
 447
 448             SetLastError(0xdeadbeef);
 449             hlib_as_data_file = LoadLibraryEx(dll_name, 0, LOAD_LIBRARY_AS_DATAFILE);
 450             ok(hlib_as_data_file != 0, "LoadLibraryEx error %u\n", GetLastError());
 451             ok(hlib_as_data_file == hlib, "hlib_as_file and hlib are different\n");
 452
 453             SetLastError(0xdeadbeef);
 454             ret = FreeLibrary(hlib);
 455             ok(ret, "FreeLibrary error %d\n", GetLastError());
 456
 457             SetLastError(0xdeadbeef);
 458             hlib = GetModuleHandle(dll_name);
 459             ok(hlib != 0, "GetModuleHandle error %u\n", GetLastError());
 460
 461             SetLastError(0xdeadbeef);
 462             ret = FreeLibrary(hlib_as_data_file);
 463             ok(ret, "FreeLibrary error %d\n", GetLastError());
 464
 465             hlib = GetModuleHandle(dll_name);
 466             ok(!hlib, "GetModuleHandle should fail\n");
 467
 468             SetLastError(0xdeadbeef);
 469             hlib_as_data_file = LoadLibraryEx(dll_name, 0, LOAD_LIBRARY_AS_DATAFILE);
 470             ok(hlib_as_data_file != 0, "LoadLibraryEx error %u\n", GetLastError());
 471             ok((ULONG_PTR)hlib_as_data_file & 1, "hlib_as_data_file is even\n");
 472
 473             hlib = GetModuleHandle(dll_name);
 474             ok(!hlib, "GetModuleHandle should fail\n");
 475
 476             SetLastError(0xdeadbeef);
 477             ret = FreeLibrary(hlib_as_data_file);
 478             ok(ret, "FreeLibrary error %d\n", GetLastError());
 479         }
 480         else
 481         {
 482             BOOL error_match;
 483             int error_index;
 484
 485             error_match = FALSE;
 486             for (error_index = 0;
 487                  ! error_match && error_index < sizeof(td[i].errors) / sizeof(DWORD);
 488                  error_index++)
 489             {
 490                 error_match = td[i].errors[error_index] == GetLastError();
 491             }
 492             ok(error_match, "%d: unexpected error %d\n", i, GetLastError());
 493         }
 494
 495         SetLastError(0xdeadbeef);
 496         ret = DeleteFile(dll_name);
 497         ok(ret, "DeleteFile error %d\n", GetLastError());
 498     }
 499 }
 500
 501 /* Verify linking style of import descriptors */
 502 static void test_ImportDescriptors(void)
 503 {
 504     HMODULE kernel32_module = NULL;
 505     PIMAGE_DOS_HEADER d_header;
 506     PIMAGE_NT_HEADERS nt_headers;
 507     DWORD import_dir_size;
 508     DWORD_PTR dir_offset;
 509     PIMAGE_IMPORT_DESCRIPTOR import_chunk;
 510
 511     /* Load kernel32 module */
 512     kernel32_module = GetModuleHandleA("kernel32.dll");
 513     assert( kernel32_module != NULL );
 514
 515     /* Get PE header info from module image */
 516     d_header = (PIMAGE_DOS_HEADER) kernel32_module;
 517     nt_headers = (PIMAGE_NT_HEADERS) (((char*) d_header) +
 518             d_header->e_lfanew);
 519
 520     /* Get size of import entry directory */
 521     import_dir_size = nt_headers->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].Size;
 522     if (!import_dir_size)
 523     {
 524         skip("Unable to continue testing due to missing import directory.\n");
 525         return;
 526     }
 527
 528     /* Get address of first import chunk */
 529     dir_offset = nt_headers->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress;
 530     import_chunk = RVAToAddr(dir_offset, kernel32_module);
 531     ok(import_chunk != 0, "Invalid import_chunk: %p\n", import_chunk);
 532     if (!import_chunk) return;
 533
 534     /* Iterate through import descriptors and verify set name,
 535      * OriginalFirstThunk, and FirstThunk.  Core Windows DLLs, such as
 536      * kernel32.dll, don't use Borland-style linking, where the table of
 537      * imported names is stored directly in FirstThunk and overwritten
 538      * by the relocation, instead of being stored in OriginalFirstThunk.
 539      * */
 540     for (; import_chunk->FirstThunk; import_chunk++)
 541     {
 542         LPCSTR module_name = RVAToAddr(import_chunk->Name, kernel32_module);
 543         PIMAGE_THUNK_DATA name_table = RVAToAddr(
 544                 U(*import_chunk).OriginalFirstThunk, kernel32_module);
 545         PIMAGE_THUNK_DATA iat = RVAToAddr(
 546                 import_chunk->FirstThunk, kernel32_module);
 547         ok(module_name != NULL, "Imported module name should not be NULL\n");
 548         ok(name_table != NULL,
 549                 "Name table for imported module %s should not be NULL\n",
 550                 module_name);
 551         ok(iat != NULL, "IAT for imported module %s should not be NULL\n",
 552                 module_name);
 553     }
 554 }
 555
 556 static BOOL is_mem_writable(DWORD prot)
 557 {
 558     switch (prot & 0xff)
 559     {
 560         case PAGE_READWRITE:
 561         case PAGE_WRITECOPY:
 562         case PAGE_EXECUTE_READWRITE:
 563         case PAGE_EXECUTE_WRITECOPY:
 564             return TRUE;
 565
 566         default:
 567             return FALSE;
 568     }
 569 }
 570
 571 static void test_section_access(void)
 572 {
 573     static const struct test_data
 574     {
 575         DWORD scn_file_access, scn_page_access, scn_page_access_after_write;
 576     } td[] =
 577     {
 578         { 0, PAGE_NOACCESS, 0 },
 579         { IMAGE_SCN_MEM_READ, PAGE_READONLY, 0 },
 580         { IMAGE_SCN_MEM_WRITE, PAGE_WRITECOPY, PAGE_READWRITE },
 581         { IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE, 0 },
 582         { IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE, PAGE_WRITECOPY, PAGE_READWRITE },
 583         { IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_READ },
 584         { IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_READWRITE },
 585         { IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_READWRITE },
 586
 587         { IMAGE_SCN_CNT_INITIALIZED_DATA, PAGE_NOACCESS, 0 },
 588         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ, PAGE_READONLY, 0 },
 589         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_WRITE, PAGE_WRITECOPY, PAGE_READWRITE },
 590         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE, 0 },
 591         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE, PAGE_WRITECOPY, PAGE_READWRITE },
 592         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_READ, 0 },
 593         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_READWRITE },
 594         { IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_READWRITE },
 595
 596         { IMAGE_SCN_CNT_UNINITIALIZED_DATA, PAGE_NOACCESS, 0 },
 597         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ, PAGE_READONLY, 0 },
 598         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_WRITE, PAGE_WRITECOPY, PAGE_READWRITE },
 599         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE, 0 },
 600         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE, PAGE_WRITECOPY, PAGE_READWRITE },
 601         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_READ, 0 },
 602         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_READWRITE },
 603         { IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_EXECUTE, PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_READWRITE }
 604     };
 605     static const char filler[0x1000];
 606     static const char section_data[0x10] = "section data";
 607     int i;
 608     DWORD dummy, file_align;
 609     HANDLE hfile;
 610     HMODULE hlib;
 611     SYSTEM_INFO si;
 612     char temp_path[MAX_PATH];
 613     char dll_name[MAX_PATH];
 614     SIZE_T size;
 615     MEMORY_BASIC_INFORMATION info;
 616     BOOL ret;
 617
 618     GetSystemInfo(&si);
 619     trace("system page size %#x\n", si.dwPageSize);
 620
 621     /* prevent displaying of the "Unable to load this DLL" message box */
 622     SetErrorMode(SEM_FAILCRITICALERRORS);
 623
 624     GetTempPath(MAX_PATH, temp_path);
 625
 626     for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
 627     {
 628         GetTempFileName(temp_path, "ldr", 0, dll_name);
 629
 630         /*trace("creating %s\n", dll_name);*/
 631         hfile = CreateFileA(dll_name, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
 632         if (hfile == INVALID_HANDLE_VALUE)
 633         {
 634             ok(0, "could not create %s\n", dll_name);
 635             return;
 636         }
 637
 638         SetLastError(0xdeadbeef);
 639         ret = WriteFile(hfile, &dos_header, sizeof(dos_header), &dummy, NULL);
 640         ok(ret, "WriteFile error %d\n", GetLastError());
 641
 642         nt_header.FileHeader.NumberOfSections = 1;
 643         nt_header.FileHeader.SizeOfOptionalHeader = sizeof(IMAGE_OPTIONAL_HEADER);
 644
 645         nt_header.OptionalHeader.SectionAlignment = si.dwPageSize;
 646         nt_header.OptionalHeader.FileAlignment = 0x200;
 647         nt_header.OptionalHeader.SizeOfImage = sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + si.dwPageSize;
 648         nt_header.OptionalHeader.SizeOfHeaders = sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER);
 649         SetLastError(0xdeadbeef);
 650         ret = WriteFile(hfile, &nt_header, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER), &dummy, NULL);
 651         ok(ret, "WriteFile error %d\n", GetLastError());
 652         SetLastError(0xdeadbeef);
 653         ret = WriteFile(hfile, &nt_header.OptionalHeader, sizeof(IMAGE_OPTIONAL_HEADER), &dummy, NULL);
 654         ok(ret, "WriteFile error %d\n", GetLastError());
 655
 656         section.SizeOfRawData = sizeof(section_data);
 657         section.PointerToRawData = nt_header.OptionalHeader.FileAlignment;
 658         section.VirtualAddress = nt_header.OptionalHeader.SectionAlignment;
 659         section.Misc.VirtualSize = section.SizeOfRawData;
 660         section.Characteristics = td[i].scn_file_access;
 661         SetLastError(0xdeadbeef);
 662         ret = WriteFile(hfile, &section, sizeof(section), &dummy, NULL);
 663         ok(ret, "WriteFile error %d\n", GetLastError());
 664
 665         file_align = nt_header.OptionalHeader.FileAlignment - nt_header.OptionalHeader.SizeOfHeaders;
 666         assert(file_align < sizeof(filler));
 667         SetLastError(0xdeadbeef);
 668         ret = WriteFile(hfile, filler, file_align, &dummy, NULL);
 669         ok(ret, "WriteFile error %d\n", GetLastError());
 670
 671         /* section data */
 672         SetLastError(0xdeadbeef);
 673         ret = WriteFile(hfile, section_data, sizeof(section_data), &dummy, NULL);
 674         ok(ret, "WriteFile error %d\n", GetLastError());
 675
 676         CloseHandle(hfile);
 677
 678         SetLastError(0xdeadbeef);
 679         hlib = LoadLibrary(dll_name);
 680         ok(hlib != 0, "LoadLibrary error %d\n", GetLastError());
 681
 682         SetLastError(0xdeadbeef);
 683         size = VirtualQuery((char *)hlib + section.VirtualAddress, &info, sizeof(info));
 684         ok(size == sizeof(info),
 685             "%d: VirtualQuery error %d\n", i, GetLastError());
 686         ok(info.BaseAddress == (char *)hlib + section.VirtualAddress, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib + section.VirtualAddress);
 687         ok(info.RegionSize == si.dwPageSize, "%d: got %#lx != expected %#x\n", i, info.RegionSize, si.dwPageSize);
 688         /* FIXME: remove the condition below once Wine is fixed */
 689         if ((td[i].scn_file_access & IMAGE_SCN_MEM_WRITE) &&
 690             (td[i].scn_file_access & IMAGE_SCN_CNT_UNINITIALIZED_DATA))
 691         todo_wine ok(info.Protect == td[i].scn_page_access, "%d: got %#x != expected %#x\n", i, info.Protect, td[i].scn_page_access);
 692         else
 693         ok(info.Protect == td[i].scn_page_access, "%d: got %#x != expected %#x\n", i, info.Protect, td[i].scn_page_access);
 694         ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 695         ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %#x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 696         ok(info.State == MEM_COMMIT, "%d: %#x != MEM_COMMIT\n", i, info.State);
 697         ok(info.Type == SEC_IMAGE, "%d: %#x != SEC_IMAGE\n", i, info.Type);
 698         if (info.Protect != PAGE_NOACCESS)
 699             ok(!memcmp((const char *)info.BaseAddress, section_data, section.SizeOfRawData), "wrong section data\n");
 700
 701         /* Windows changes the WRITECOPY to WRITE protection on an image section write (for a changed page only) */
 702         if (is_mem_writable(info.Protect))
 703         {
 704             char *p = info.BaseAddress;
 705             *p = 0xfe;
 706             SetLastError(0xdeadbeef);
 707             size = VirtualQuery((char *)hlib + section.VirtualAddress, &info, sizeof(info));
 708             ok(size == sizeof(info), "%d: VirtualQuery error %d\n", i, GetLastError());
 709             /* FIXME: remove the condition below once Wine is fixed */
 710             if (info.Protect == PAGE_WRITECOPY || info.Protect == PAGE_EXECUTE_WRITECOPY)
 711                 todo_wine ok(info.Protect == td[i].scn_page_access_after_write, "%d: got %#x != expected %#x\n", i, info.Protect, td[i].scn_page_access_after_write);
 712             else
 713                 ok(info.Protect == td[i].scn_page_access_after_write, "%d: got %#x != expected %#x\n", i, info.Protect, td[i].scn_page_access_after_write);
 714         }
 715
 716         SetLastError(0xdeadbeef);
 717         ret = FreeLibrary(hlib);
 718         ok(ret, "FreeLibrary error %d\n", GetLastError());
 719
 720         SetLastError(0xdeadbeef);
 721         ret = DeleteFile(dll_name);
 722         ok(ret, "DeleteFile error %d\n", GetLastError());
 723     }
 724 }
 725
 726 START_TEST(loader)
 727 {
 728     test_Loader();
 729     test_ImportDescriptors();
 730     test_section_access();
 731 }