dlls/setupapi/misc.c

   1 /*
   2  * Setupapi miscellaneous functions
   3  *
   4  * Copyright 2005 Eric Kohl
   5  * Copyright 2007 Hans Leidekker
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wingdi.h"
  27 #include "winuser.h"
  28 #include "winreg.h"
  29 #include "setupapi.h"
  30 #include "lzexpand.h"
  31 #include "softpub.h"
  32 #include "mscat.h"
  33 #include "shlobj.h"
  34
  35 #include "wine/unicode.h"
  36 #include "wine/debug.h"
  37
  38 #include "setupapi_private.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  41
  42 /* arbitrary limit not related to what native actually uses */
  43 #define OEM_INDEX_LIMIT 999
  44
  45 /**************************************************************************
  46  * MyFree [SETUPAPI.@]
  47  *
  48  * Frees an allocated memory block from the process heap.
  49  *
  50  * PARAMS
  51  *     lpMem [I] pointer to memory block which will be freed
  52  *
  53  * RETURNS
  54  *     None
  55  */
  56 VOID WINAPI MyFree(LPVOID lpMem)
  57 {
  58     HeapFree(GetProcessHeap(), 0, lpMem);
  59 }
  60
  61
  62 /**************************************************************************
  63  * MyMalloc [SETUPAPI.@]
  64  *
  65  * Allocates memory block from the process heap.
  66  *
  67  * PARAMS
  68  *     dwSize [I] size of the allocated memory block
  69  *
  70  * RETURNS
  71  *     Success: pointer to allocated memory block
  72  *     Failure: NULL
  73  */
  74 LPVOID WINAPI MyMalloc(DWORD dwSize)
  75 {
  76     return HeapAlloc(GetProcessHeap(), 0, dwSize);
  77 }
  78
  79
  80 /**************************************************************************
  81  * MyRealloc [SETUPAPI.@]
  82  *
  83  * Changes the size of an allocated memory block or allocates a memory
  84  * block from the process heap.
  85  *
  86  * PARAMS
  87  *     lpSrc  [I] pointer to memory block which will be resized
  88  *     dwSize [I] new size of the memory block
  89  *
  90  * RETURNS
  91  *     Success: pointer to the resized memory block
  92  *     Failure: NULL
  93  *
  94  * NOTES
  95  *     If lpSrc is a NULL-pointer, then MyRealloc allocates a memory
  96  *     block like MyMalloc.
  97  */
  98 LPVOID WINAPI MyRealloc(LPVOID lpSrc, DWORD dwSize)
  99 {
 100     if (lpSrc == NULL)
 101         return HeapAlloc(GetProcessHeap(), 0, dwSize);
 102
 103     return HeapReAlloc(GetProcessHeap(), 0, lpSrc, dwSize);
 104 }
 105
 106
 107 /**************************************************************************
 108  * DuplicateString [SETUPAPI.@]
 109  *
 110  * Duplicates a unicode string.
 111  *
 112  * PARAMS
 113  *     lpSrc  [I] pointer to the unicode string that will be duplicated
 114  *
 115  * RETURNS
 116  *     Success: pointer to the duplicated unicode string
 117  *     Failure: NULL
 118  *
 119  * NOTES
 120  *     Call MyFree() to release the duplicated string.
 121  */
 122 LPWSTR WINAPI DuplicateString(LPCWSTR lpSrc)
 123 {
 124     LPWSTR lpDst;
 125
 126     lpDst = MyMalloc((lstrlenW(lpSrc) + 1) * sizeof(WCHAR));
 127     if (lpDst == NULL)
 128         return NULL;
 129
 130     strcpyW(lpDst, lpSrc);
 131
 132     return lpDst;
 133 }
 134
 135
 136 /**************************************************************************
 137  * QueryRegistryValue [SETUPAPI.@]
 138  *
 139  * Retrieves value data from the registry and allocates memory for the
 140  * value data.
 141  *
 142  * PARAMS
 143  *     hKey        [I] Handle of the key to query
 144  *     lpValueName [I] Name of value under hkey to query
 145  *     lpData      [O] Destination for the values contents,
 146  *     lpType      [O] Destination for the value type
 147  *     lpcbData    [O] Destination for the size of data
 148  *
 149  * RETURNS
 150  *     Success: ERROR_SUCCESS
 151  *     Failure: Otherwise
 152  *
 153  * NOTES
 154  *     Use MyFree to release the lpData buffer.
 155  */
 156 LONG WINAPI QueryRegistryValue(HKEY hKey,
 157                                LPCWSTR lpValueName,
 158                                LPBYTE  *lpData,
 159                                LPDWORD lpType,
 160                                LPDWORD lpcbData)
 161 {
 162     LONG lError;
 163
 164     TRACE("%p %s %p %p %p\n",
 165           hKey, debugstr_w(lpValueName), lpData, lpType, lpcbData);
 166
 167     /* Get required buffer size */
 168     *lpcbData = 0;
 169     lError = RegQueryValueExW(hKey, lpValueName, 0, lpType, NULL, lpcbData);
 170     if (lError != ERROR_SUCCESS)
 171         return lError;
 172
 173     /* Allocate buffer */
 174     *lpData = MyMalloc(*lpcbData);
 175     if (*lpData == NULL)
 176         return ERROR_NOT_ENOUGH_MEMORY;
 177
 178     /* Query registry value */
 179     lError = RegQueryValueExW(hKey, lpValueName, 0, lpType, *lpData, lpcbData);
 180     if (lError != ERROR_SUCCESS)
 181         MyFree(*lpData);
 182
 183     return lError;
 184 }
 185
 186
 187 /**************************************************************************
 188  * IsUserAdmin [SETUPAPI.@]
 189  *
 190  * Checks whether the current user is a member of the Administrators group.
 191  *
 192  * PARAMS
 193  *     None
 194  *
 195  * RETURNS
 196  *     Success: TRUE
 197  *     Failure: FALSE
 198  */
 199 BOOL WINAPI IsUserAdmin(VOID)
 200 {
 201     TRACE("\n");
 202     return IsUserAnAdmin();
 203 }
 204
 205
 206 /**************************************************************************
 207  * MultiByteToUnicode [SETUPAPI.@]
 208  *
 209  * Converts a multi-byte string to a Unicode string.
 210  *
 211  * PARAMS
 212  *     lpMultiByteStr  [I] Multi-byte string to be converted
 213  *     uCodePage       [I] Code page
 214  *
 215  * RETURNS
 216  *     Success: pointer to the converted Unicode string
 217  *     Failure: NULL
 218  *
 219  * NOTE
 220  *     Use MyFree to release the returned Unicode string.
 221  */
 222 LPWSTR WINAPI MultiByteToUnicode(LPCSTR lpMultiByteStr, UINT uCodePage)
 223 {
 224     LPWSTR lpUnicodeStr;
 225     int nLength;
 226
 227     nLength = MultiByteToWideChar(uCodePage, 0, lpMultiByteStr,
 228                                   -1, NULL, 0);
 229     if (nLength == 0)
 230         return NULL;
 231
 232     lpUnicodeStr = MyMalloc(nLength * sizeof(WCHAR));
 233     if (lpUnicodeStr == NULL)
 234         return NULL;
 235
 236     if (!MultiByteToWideChar(uCodePage, 0, lpMultiByteStr,
 237                              nLength, lpUnicodeStr, nLength))
 238     {
 239         MyFree(lpUnicodeStr);
 240         return NULL;
 241     }
 242
 243     return lpUnicodeStr;
 244 }
 245
 246
 247 /**************************************************************************
 248  * UnicodeToMultiByte [SETUPAPI.@]
 249  *
 250  * Converts a Unicode string to a multi-byte string.
 251  *
 252  * PARAMS
 253  *     lpUnicodeStr  [I] Unicode string to be converted
 254  *     uCodePage     [I] Code page
 255  *
 256  * RETURNS
 257  *     Success: pointer to the converted multi-byte string
 258  *     Failure: NULL
 259  *
 260  * NOTE
 261  *     Use MyFree to release the returned multi-byte string.
 262  */
 263 LPSTR WINAPI UnicodeToMultiByte(LPCWSTR lpUnicodeStr, UINT uCodePage)
 264 {
 265     LPSTR lpMultiByteStr;
 266     int nLength;
 267
 268     nLength = WideCharToMultiByte(uCodePage, 0, lpUnicodeStr, -1,
 269                                   NULL, 0, NULL, NULL);
 270     if (nLength == 0)
 271         return NULL;
 272
 273     lpMultiByteStr = MyMalloc(nLength);
 274     if (lpMultiByteStr == NULL)
 275         return NULL;
 276
 277     if (!WideCharToMultiByte(uCodePage, 0, lpUnicodeStr, -1,
 278                              lpMultiByteStr, nLength, NULL, NULL))
 279     {
 280         MyFree(lpMultiByteStr);
 281         return NULL;
 282     }
 283
 284     return lpMultiByteStr;
 285 }
 286
 287
 288 /**************************************************************************
 289  * DoesUserHavePrivilege [SETUPAPI.@]
 290  *
 291  * Check whether the current user has got a given privilege.
 292  *
 293  * PARAMS
 294  *     lpPrivilegeName  [I] Name of the privilege to be checked
 295  *
 296  * RETURNS
 297  *     Success: TRUE
 298  *     Failure: FALSE
 299  */
 300 BOOL WINAPI DoesUserHavePrivilege(LPCWSTR lpPrivilegeName)
 301 {
 302     HANDLE hToken;
 303     DWORD dwSize;
 304     PTOKEN_PRIVILEGES lpPrivileges;
 305     LUID PrivilegeLuid;
 306     DWORD i;
 307     BOOL bResult = FALSE;
 308
 309     TRACE("%s\n", debugstr_w(lpPrivilegeName));
 310
 311     if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 312         return FALSE;
 313
 314     if (!GetTokenInformation(hToken, TokenPrivileges, NULL, 0, &dwSize))
 315     {
 316         if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
 317         {
 318             CloseHandle(hToken);
 319             return FALSE;
 320         }
 321     }
 322
 323     lpPrivileges = MyMalloc(dwSize);
 324     if (lpPrivileges == NULL)
 325     {
 326         CloseHandle(hToken);
 327         return FALSE;
 328     }
 329
 330     if (!GetTokenInformation(hToken, TokenPrivileges, lpPrivileges, dwSize, &dwSize))
 331     {
 332         MyFree(lpPrivileges);
 333         CloseHandle(hToken);
 334         return FALSE;
 335     }
 336
 337     CloseHandle(hToken);
 338
 339     if (!LookupPrivilegeValueW(NULL, lpPrivilegeName, &PrivilegeLuid))
 340     {
 341         MyFree(lpPrivileges);
 342         return FALSE;
 343     }
 344
 345     for (i = 0; i < lpPrivileges->PrivilegeCount; i++)
 346     {
 347         if (lpPrivileges->Privileges[i].Luid.HighPart == PrivilegeLuid.HighPart &&
 348             lpPrivileges->Privileges[i].Luid.LowPart == PrivilegeLuid.LowPart)
 349         {
 350             bResult = TRUE;
 351         }
 352     }
 353
 354     MyFree(lpPrivileges);
 355
 356     return bResult;
 357 }
 358
 359
 360 /**************************************************************************
 361  * EnablePrivilege [SETUPAPI.@]
 362  *
 363  * Enables or disables one of the current users privileges.
 364  *
 365  * PARAMS
 366  *     lpPrivilegeName  [I] Name of the privilege to be changed
 367  *     bEnable          [I] TRUE: Enables the privilege
 368  *                          FALSE: Disables the privilege
 369  *
 370  * RETURNS
 371  *     Success: TRUE
 372  *     Failure: FALSE
 373  */
 374 BOOL WINAPI EnablePrivilege(LPCWSTR lpPrivilegeName, BOOL bEnable)
 375 {
 376     TOKEN_PRIVILEGES Privileges;
 377     HANDLE hToken;
 378     BOOL bResult;
 379
 380     TRACE("%s %s\n", debugstr_w(lpPrivilegeName), bEnable ? "TRUE" : "FALSE");
 381
 382     if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 383         return FALSE;
 384
 385     Privileges.PrivilegeCount = 1;
 386     Privileges.Privileges[0].Attributes = (bEnable) ? SE_PRIVILEGE_ENABLED : 0;
 387
 388     if (!LookupPrivilegeValueW(NULL, lpPrivilegeName,
 389                                &Privileges.Privileges[0].Luid))
 390     {
 391         CloseHandle(hToken);
 392         return FALSE;
 393     }
 394
 395     bResult = AdjustTokenPrivileges(hToken, FALSE, &Privileges, 0, NULL, NULL);
 396
 397     CloseHandle(hToken);
 398
 399     return bResult;
 400 }
 401
 402
 403 /**************************************************************************
 404  * DelayedMove [SETUPAPI.@]
 405  *
 406  * Moves a file upon the next reboot.
 407  *
 408  * PARAMS
 409  *     lpExistingFileName  [I] Current file name
 410  *     lpNewFileName       [I] New file name
 411  *
 412  * RETURNS
 413  *     Success: TRUE
 414  *     Failure: FALSE
 415  */
 416 BOOL WINAPI DelayedMove(LPCWSTR lpExistingFileName, LPCWSTR lpNewFileName)
 417 {
 418     return MoveFileExW(lpExistingFileName, lpNewFileName,
 419                        MOVEFILE_REPLACE_EXISTING | MOVEFILE_DELAY_UNTIL_REBOOT);
 420 }
 421
 422
 423 /**************************************************************************
 424  * FileExists [SETUPAPI.@]
 425  *
 426  * Checks whether a file exists.
 427  *
 428  * PARAMS
 429  *     lpFileName     [I] Name of the file to check
 430  *     lpNewFileName  [O] Optional information about the existing file
 431  *
 432  * RETURNS
 433  *     Success: TRUE
 434  *     Failure: FALSE
 435  */
 436 BOOL WINAPI FileExists(LPCWSTR lpFileName, LPWIN32_FIND_DATAW lpFileFindData)
 437 {
 438     WIN32_FIND_DATAW FindData;
 439     HANDLE hFind;
 440     UINT uErrorMode;
 441     DWORD dwError;
 442
 443     uErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
 444
 445     hFind = FindFirstFileW(lpFileName, &FindData);
 446     if (hFind == INVALID_HANDLE_VALUE)
 447     {
 448         dwError = GetLastError();
 449         SetErrorMode(uErrorMode);
 450         SetLastError(dwError);
 451         return FALSE;
 452     }
 453
 454     FindClose(hFind);
 455
 456     if (lpFileFindData)
 457         *lpFileFindData = FindData;
 458
 459     SetErrorMode(uErrorMode);
 460
 461     return TRUE;
 462 }
 463
 464
 465 /**************************************************************************
 466  * CaptureStringArg [SETUPAPI.@]
 467  *
 468  * Captures a UNICODE string.
 469  *
 470  * PARAMS
 471  *     lpSrc  [I] UNICODE string to be captured
 472  *     lpDst  [O] Pointer to the captured UNICODE string
 473  *
 474  * RETURNS
 475  *     Success: ERROR_SUCCESS
 476  *     Failure: ERROR_INVALID_PARAMETER
 477  *
 478  * NOTE
 479  *     Call MyFree to release the captured UNICODE string.
 480  */
 481 DWORD WINAPI CaptureStringArg(LPCWSTR pSrc, LPWSTR *pDst)
 482 {
 483     if (pDst == NULL)
 484         return ERROR_INVALID_PARAMETER;
 485
 486     *pDst = DuplicateString(pSrc);
 487
 488     return ERROR_SUCCESS;
 489 }
 490
 491
 492 /**************************************************************************
 493  * CaptureAndConvertAnsiArg [SETUPAPI.@]
 494  *
 495  * Captures an ANSI string and converts it to a UNICODE string.
 496  *
 497  * PARAMS
 498  *     lpSrc  [I] ANSI string to be captured
 499  *     lpDst  [O] Pointer to the captured UNICODE string
 500  *
 501  * RETURNS
 502  *     Success: ERROR_SUCCESS
 503  *     Failure: ERROR_INVALID_PARAMETER
 504  *
 505  * NOTE
 506  *     Call MyFree to release the captured UNICODE string.
 507  */
 508 DWORD WINAPI CaptureAndConvertAnsiArg(LPCSTR pSrc, LPWSTR *pDst)
 509 {
 510     if (pDst == NULL)
 511         return ERROR_INVALID_PARAMETER;
 512
 513     *pDst = MultiByteToUnicode(pSrc, CP_ACP);
 514
 515     return ERROR_SUCCESS;
 516 }
 517
 518
 519 /**************************************************************************
 520  * OpenAndMapFileForRead [SETUPAPI.@]
 521  *
 522  * Open and map a file to a buffer.
 523  *
 524  * PARAMS
 525  *     lpFileName [I] Name of the file to be opened
 526  *     lpSize     [O] Pointer to the file size
 527  *     lpFile     [0] Pointer to the file handle
 528  *     lpMapping  [0] Pointer to the mapping handle
 529  *     lpBuffer   [0] Pointer to the file buffer
 530  *
 531  * RETURNS
 532  *     Success: ERROR_SUCCESS
 533  *     Failure: Other
 534  *
 535  * NOTE
 536  *     Call UnmapAndCloseFile to release the file.
 537  */
 538 DWORD WINAPI OpenAndMapFileForRead(LPCWSTR lpFileName,
 539                                    LPDWORD lpSize,
 540                                    LPHANDLE lpFile,
 541                                    LPHANDLE lpMapping,
 542                                    LPVOID *lpBuffer)
 543 {
 544     DWORD dwError;
 545
 546     TRACE("%s %p %p %p %p\n",
 547           debugstr_w(lpFileName), lpSize, lpFile, lpMapping, lpBuffer);
 548
 549     *lpFile = CreateFileW(lpFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
 550                           OPEN_EXISTING, 0, NULL);
 551     if (*lpFile == INVALID_HANDLE_VALUE)
 552         return GetLastError();
 553
 554     *lpSize = GetFileSize(*lpFile, NULL);
 555     if (*lpSize == INVALID_FILE_SIZE)
 556     {
 557         dwError = GetLastError();
 558         CloseHandle(*lpFile);
 559         return dwError;
 560     }
 561
 562     *lpMapping = CreateFileMappingW(*lpFile, NULL, PAGE_READONLY, 0,
 563                                     *lpSize, NULL);
 564     if (*lpMapping == NULL)
 565     {
 566         dwError = GetLastError();
 567         CloseHandle(*lpFile);
 568         return dwError;
 569     }
 570
 571     *lpBuffer = MapViewOfFile(*lpMapping, FILE_MAP_READ, 0, 0, *lpSize);
 572     if (*lpBuffer == NULL)
 573     {
 574         dwError = GetLastError();
 575         CloseHandle(*lpMapping);
 576         CloseHandle(*lpFile);
 577         return dwError;
 578     }
 579
 580     return ERROR_SUCCESS;
 581 }
 582
 583
 584 /**************************************************************************
 585  * UnmapAndCloseFile [SETUPAPI.@]
 586  *
 587  * Unmap and close a mapped file.
 588  *
 589  * PARAMS
 590  *     hFile    [I] Handle to the file
 591  *     hMapping [I] Handle to the file mapping
 592  *     lpBuffer [I] Pointer to the file buffer
 593  *
 594  * RETURNS
 595  *     Success: TRUE
 596  *     Failure: FALSE
 597  */
 598 BOOL WINAPI UnmapAndCloseFile(HANDLE hFile, HANDLE hMapping, LPVOID lpBuffer)
 599 {
 600     TRACE("%p %p %p\n",
 601           hFile, hMapping, lpBuffer);
 602
 603     if (!UnmapViewOfFile(lpBuffer))
 604         return FALSE;
 605
 606     if (!CloseHandle(hMapping))
 607         return FALSE;
 608
 609     if (!CloseHandle(hFile))
 610         return FALSE;
 611
 612     return TRUE;
 613 }
 614
 615
 616 /**************************************************************************
 617  * StampFileSecurity [SETUPAPI.@]
 618  *
 619  * Assign a new security descriptor to the given file.
 620  *
 621  * PARAMS
 622  *     lpFileName          [I] Name of the file
 623  *     pSecurityDescriptor [I] New security descriptor
 624  *
 625  * RETURNS
 626  *     Success: ERROR_SUCCESS
 627  *     Failure: other
 628  */
 629 DWORD WINAPI StampFileSecurity(LPCWSTR lpFileName, PSECURITY_DESCRIPTOR pSecurityDescriptor)
 630 {
 631     TRACE("%s %p\n", debugstr_w(lpFileName), pSecurityDescriptor);
 632
 633     if (!SetFileSecurityW(lpFileName, OWNER_SECURITY_INFORMATION |
 634                           GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
 635                           pSecurityDescriptor))
 636         return GetLastError();
 637
 638     return ERROR_SUCCESS;
 639 }
 640
 641
 642 /**************************************************************************
 643  * TakeOwnershipOfFile [SETUPAPI.@]
 644  *
 645  * Takes the ownership of the given file.
 646  *
 647  * PARAMS
 648  *     lpFileName [I] Name of the file
 649  *
 650  * RETURNS
 651  *     Success: ERROR_SUCCESS
 652  *     Failure: other
 653  */
 654 DWORD WINAPI TakeOwnershipOfFile(LPCWSTR lpFileName)
 655 {
 656     SECURITY_DESCRIPTOR SecDesc;
 657     HANDLE hToken = NULL;
 658     PTOKEN_OWNER pOwner = NULL;
 659     DWORD dwError;
 660     DWORD dwSize;
 661
 662     TRACE("%s\n", debugstr_w(lpFileName));
 663
 664     if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 665         return GetLastError();
 666
 667     if (!GetTokenInformation(hToken, TokenOwner, NULL, 0, &dwSize))
 668     {
 669         goto fail;
 670     }
 671
 672     pOwner = MyMalloc(dwSize);
 673     if (pOwner == NULL)
 674     {
 675         CloseHandle(hToken);
 676         return ERROR_NOT_ENOUGH_MEMORY;
 677     }
 678
 679     if (!GetTokenInformation(hToken, TokenOwner, pOwner, dwSize, &dwSize))
 680     {
 681         goto fail;
 682     }
 683
 684     if (!InitializeSecurityDescriptor(&SecDesc, SECURITY_DESCRIPTOR_REVISION))
 685     {
 686         goto fail;
 687     }
 688
 689     if (!SetSecurityDescriptorOwner(&SecDesc, pOwner->Owner, FALSE))
 690     {
 691         goto fail;
 692     }
 693
 694     if (!SetFileSecurityW(lpFileName, OWNER_SECURITY_INFORMATION, &SecDesc))
 695     {
 696         goto fail;
 697     }
 698
 699     MyFree(pOwner);
 700     CloseHandle(hToken);
 701
 702     return ERROR_SUCCESS;
 703
 704 fail:;
 705     dwError = GetLastError();
 706
 707     MyFree(pOwner);
 708
 709     if (hToken != NULL)
 710         CloseHandle(hToken);
 711
 712     return dwError;
 713 }
 714
 715
 716 /**************************************************************************
 717  * RetreiveFileSecurity [SETUPAPI.@]
 718  *
 719  * Retrieve the security descriptor that is associated with the given file.
 720  *
 721  * PARAMS
 722  *     lpFileName [I] Name of the file
 723  *
 724  * RETURNS
 725  *     Success: ERROR_SUCCESS
 726  *     Failure: other
 727  */
 728 DWORD WINAPI RetreiveFileSecurity(LPCWSTR lpFileName,
 729                                   PSECURITY_DESCRIPTOR *pSecurityDescriptor)
 730 {
 731     PSECURITY_DESCRIPTOR SecDesc;
 732     DWORD dwSize = 0x100;
 733     DWORD dwError;
 734
 735     SecDesc = MyMalloc(dwSize);
 736     if (SecDesc == NULL)
 737         return ERROR_NOT_ENOUGH_MEMORY;
 738
 739     if (GetFileSecurityW(lpFileName, OWNER_SECURITY_INFORMATION |
 740                          GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
 741                          SecDesc, dwSize, &dwSize))
 742     {
 743       *pSecurityDescriptor = SecDesc;
 744       return ERROR_SUCCESS;
 745     }
 746
 747     dwError = GetLastError();
 748     if (dwError != ERROR_INSUFFICIENT_BUFFER)
 749     {
 750         MyFree(SecDesc);
 751         return dwError;
 752     }
 753
 754     SecDesc = MyRealloc(SecDesc, dwSize);
 755     if (SecDesc == NULL)
 756         return ERROR_NOT_ENOUGH_MEMORY;
 757
 758     if (GetFileSecurityW(lpFileName, OWNER_SECURITY_INFORMATION |
 759                          GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
 760                          SecDesc, dwSize, &dwSize))
 761     {
 762       *pSecurityDescriptor = SecDesc;
 763       return ERROR_SUCCESS;
 764     }
 765
 766     dwError = GetLastError();
 767     MyFree(SecDesc);
 768
 769     return dwError;
 770 }
 771
 772
 773 static DWORD global_flags = 0;  /* FIXME: what should be in here? */
 774
 775 /***********************************************************************
 776  *              pSetupGetGlobalFlags  (SETUPAPI.@)
 777  */
 778 DWORD WINAPI pSetupGetGlobalFlags(void)
 779 {
 780     FIXME( "stub\n" );
 781     return global_flags;
 782 }
 783
 784
 785 /***********************************************************************
 786  *              pSetupSetGlobalFlags  (SETUPAPI.@)
 787  */
 788 void WINAPI pSetupSetGlobalFlags( DWORD flags )
 789 {
 790     global_flags = flags;
 791 }
 792
 793 /***********************************************************************
 794  *              CMP_WaitNoPendingInstallEvents  (SETUPAPI.@)
 795  */
 796 DWORD WINAPI CMP_WaitNoPendingInstallEvents( DWORD dwTimeout )
 797 {
 798     static BOOL warned = FALSE;
 799
 800     if (!warned)
 801     {
 802         FIXME("%d\n", dwTimeout);
 803         warned = TRUE;
 804     }
 805     return WAIT_OBJECT_0;
 806 }
 807
 808 /***********************************************************************
 809  *              AssertFail  (SETUPAPI.@)
 810  *
 811  * Shows an assert fail error messagebox
 812  *
 813  * PARAMS
 814  *   lpFile [I]         file where assert failed
 815  *   uLine [I]          line number in file
 816  *   lpMessage [I]      assert message
 817  *
 818  */
 819 void WINAPI AssertFail(LPCSTR lpFile, UINT uLine, LPCSTR lpMessage)
 820 {
 821     FIXME("%s %u %s\n", lpFile, uLine, lpMessage);
 822 }
 823
 824 /***********************************************************************
 825  *      SetupCopyOEMInfA  (SETUPAPI.@)
 826  */
 827 BOOL WINAPI SetupCopyOEMInfA( PCSTR source, PCSTR location,
 828                               DWORD media_type, DWORD style, PSTR dest,
 829                               DWORD buffer_size, PDWORD required_size, PSTR *component )
 830 {
 831     BOOL ret = FALSE;
 832     LPWSTR destW = NULL, sourceW = NULL, locationW = NULL;
 833     DWORD size;
 834
 835     TRACE("%s, %s, %d, %d, %p, %d, %p, %p\n", debugstr_a(source), debugstr_a(location),
 836           media_type, style, dest, buffer_size, required_size, component);
 837
 838     if (dest && !(destW = MyMalloc( buffer_size * sizeof(WCHAR) ))) return FALSE;
 839     if (source && !(sourceW = strdupAtoW( source ))) goto done;
 840     if (location && !(locationW = strdupAtoW( location ))) goto done;
 841
 842     if (!(ret = SetupCopyOEMInfW( sourceW, locationW, media_type, style, destW,
 843                                   buffer_size, &size, NULL )))
 844     {
 845         if (required_size) *required_size = size;
 846         goto done;
 847     }
 848
 849     if (dest)
 850     {
 851         if (buffer_size >= size)
 852         {
 853             WideCharToMultiByte( CP_ACP, 0, destW, -1, dest, buffer_size, NULL, NULL );
 854             if (component) *component = strrchr( dest, '\\' ) + 1;
 855         }
 856         else
 857         {
 858             SetLastError( ERROR_INSUFFICIENT_BUFFER );
 859             goto done;
 860         }
 861     }
 862
 863 done:
 864     MyFree( destW );
 865     HeapFree( GetProcessHeap(), 0, sourceW );
 866     HeapFree( GetProcessHeap(), 0, locationW );
 867     if (ret) SetLastError(ERROR_SUCCESS);
 868     return ret;
 869 }
 870
 871 static int compare_files( HANDLE file1, HANDLE file2 )
 872 {
 873     char buffer1[2048];
 874     char buffer2[2048];
 875     DWORD size1;
 876     DWORD size2;
 877
 878     while( ReadFile(file1, buffer1, sizeof(buffer1), &size1, NULL) &&
 879            ReadFile(file2, buffer2, sizeof(buffer2), &size2, NULL) )
 880     {
 881         int ret;
 882         if (size1 != size2)
 883             return size1 > size2 ? 1 : -1;
 884         if (!size1)
 885             return 0;
 886         ret = memcmp( buffer1, buffer2, size1 );
 887         if (ret)
 888             return ret;
 889     }
 890
 891     return 0;
 892 }
 893
 894 /***********************************************************************
 895  *      SetupCopyOEMInfW  (SETUPAPI.@)
 896  */
 897 BOOL WINAPI SetupCopyOEMInfW( PCWSTR source, PCWSTR location,
 898                               DWORD media_type, DWORD style, PWSTR dest,
 899                               DWORD buffer_size, PDWORD required_size, PWSTR *component )
 900 {
 901     BOOL ret = FALSE;
 902     WCHAR target[MAX_PATH], catalog_file[MAX_PATH], *p;
 903     static const WCHAR inf[] = { '\\','i','n','f','\\',0 };
 904     static const WCHAR wszVersion[] = { 'V','e','r','s','i','o','n',0 };
 905     static const WCHAR wszCatalogFile[] = { 'C','a','t','a','l','o','g','F','i','l','e',0 };
 906     DWORD size;
 907     HINF hinf;
 908
 909     TRACE("%s, %s, %d, %d, %p, %d, %p, %p\n", debugstr_w(source), debugstr_w(location),
 910           media_type, style, dest, buffer_size, required_size, component);
 911
 912     if (!source)
 913     {
 914         SetLastError(ERROR_INVALID_PARAMETER);
 915         return FALSE;
 916     }
 917
 918     /* check for a relative path */
 919     if (!(*source == '\\' || (*source && source[1] == ':')))
 920     {
 921         SetLastError(ERROR_FILE_NOT_FOUND);
 922         return FALSE;
 923     }
 924
 925     if (!GetWindowsDirectoryW( target, sizeof(target)/sizeof(WCHAR) )) return FALSE;
 926
 927     strcatW( target, inf );
 928     if ((p = strrchrW( source, '\\' )))
 929         strcatW( target, p + 1 );
 930
 931     /* does the file exist already? */
 932     if ((GetFileAttributesW( target ) != INVALID_FILE_ATTRIBUTES) &&
 933         !(style & SP_COPY_NOOVERWRITE))
 934     {
 935         static const WCHAR oem[] = { 'o','e','m',0 };
 936         unsigned int i;
 937         LARGE_INTEGER source_file_size;
 938         HANDLE source_file;
 939
 940         source_file = CreateFileW( source, FILE_READ_DATA | FILE_READ_ATTRIBUTES,
 941                                    FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
 942                                    NULL, OPEN_EXISTING, 0, NULL );
 943         if (source_file == INVALID_HANDLE_VALUE)
 944             return FALSE;
 945
 946         if (!GetFileSizeEx( source_file, &source_file_size ))
 947         {
 948             CloseHandle( source_file );
 949             return FALSE;
 950         }
 951
 952         p = strrchrW( target, '\\' ) + 1;
 953         memcpy( p, oem, sizeof(oem) );
 954         p += sizeof(oem)/sizeof(oem[0]) - 1;
 955
 956         /* generate OEMnnn.inf ending */
 957         for (i = 0; i < OEM_INDEX_LIMIT; i++)
 958         {
 959             static const WCHAR format[] = { '%','u','.','i','n','f',0 };
 960             HANDLE dest_file;
 961             LARGE_INTEGER dest_file_size;
 962
 963             wsprintfW( p, format, i );
 964             dest_file = CreateFileW( target, FILE_READ_DATA | FILE_READ_ATTRIBUTES,
 965                                      FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
 966                                      NULL, OPEN_EXISTING, 0, NULL );
 967             /* if we found a file name that doesn't exist then we're done */
 968             if (dest_file == INVALID_HANDLE_VALUE)
 969                 break;
 970             /* now check if the same inf file has already been copied to the inf
 971              * directory. if so, use that file and don't create a new one */
 972             if (!GetFileSizeEx( dest_file, &dest_file_size ) ||
 973                 (dest_file_size.QuadPart != source_file_size.QuadPart) ||
 974                 compare_files( source_file, dest_file ))
 975             {
 976                 CloseHandle( dest_file );
 977                 continue;
 978             }
 979             CloseHandle( dest_file );
 980             break;
 981         }
 982
 983         CloseHandle( source_file );
 984         if (i == OEM_INDEX_LIMIT)
 985         {
 986             SetLastError( ERROR_FILENAME_EXCED_RANGE );
 987             return FALSE;
 988         }
 989     }
 990
 991     hinf = SetupOpenInfFileW( source, NULL, INF_STYLE_WIN4, NULL );
 992     if (hinf == INVALID_HANDLE_VALUE) return FALSE;
 993
 994     if (SetupGetLineTextW( NULL, hinf, wszVersion, wszCatalogFile, catalog_file,
 995                            sizeof(catalog_file)/sizeof(catalog_file[0]), NULL ))
 996     {
 997         WCHAR source_cat[MAX_PATH];
 998         HCATADMIN handle;
 999         HCATINFO cat;
1000         GUID msguid = DRIVER_ACTION_VERIFY;
1001
1002         SetupCloseInfFile( hinf );
1003
1004         strcpyW( source_cat, source );
1005         p = strrchrW( source_cat, '\\' );
1006         if (p) p++;
1007         else p = source_cat;
1008         strcpyW( p, catalog_file );
1009
1010         TRACE("installing catalog file %s\n", debugstr_w( source_cat ));
1011
1012         if (!CryptCATAdminAcquireContext(&handle, &msguid, 0))
1013         {
1014             ERR("Could not acquire security context\n");
1015             return FALSE;
1016         }
1017
1018         if (!(cat = CryptCATAdminAddCatalog(handle, source_cat, catalog_file, 0)))
1019         {
1020             ERR("Could not add catalog\n");
1021             CryptCATAdminReleaseContext(handle, 0);
1022             return FALSE;
1023         }
1024
1025         CryptCATAdminReleaseCatalogContext(handle, cat, 0);
1026         CryptCATAdminReleaseContext(handle, 0);
1027     }
1028     else
1029         SetupCloseInfFile( hinf );
1030
1031     if (!(ret = CopyFileW( source, target, (style & SP_COPY_NOOVERWRITE) != 0 )))
1032         return ret;
1033
1034     if (style & SP_COPY_DELETESOURCE)
1035         DeleteFileW( source );
1036
1037     size = strlenW( target ) + 1;
1038     if (dest)
1039     {
1040         if (buffer_size >= size)
1041         {
1042             strcpyW( dest, target );
1043         }
1044         else
1045         {
1046             SetLastError( ERROR_INSUFFICIENT_BUFFER );
1047             ret = FALSE;
1048         }
1049     }
1050
1051     if (component) *component = p + 1;
1052     if (required_size) *required_size = size;
1053     if (ret) SetLastError(ERROR_SUCCESS);
1054
1055     return ret;
1056 }
1057
1058 /***********************************************************************
1059  *      SetupUninstallOEMInfA  (SETUPAPI.@)
1060  */
1061 BOOL WINAPI SetupUninstallOEMInfA( PCSTR inf_file, DWORD flags, PVOID reserved )
1062 {
1063     BOOL ret;
1064     WCHAR *inf_fileW = NULL;
1065
1066     TRACE("%s, 0x%08x, %p\n", debugstr_a(inf_file), flags, reserved);
1067
1068     if (inf_file && !(inf_fileW = strdupAtoW( inf_file ))) return FALSE;
1069     ret = SetupUninstallOEMInfW( inf_fileW, flags, reserved );
1070     HeapFree( GetProcessHeap(), 0, inf_fileW );
1071     return ret;
1072 }
1073
1074 /***********************************************************************
1075  *      SetupUninstallOEMInfW  (SETUPAPI.@)
1076  */
1077 BOOL WINAPI SetupUninstallOEMInfW( PCWSTR inf_file, DWORD flags, PVOID reserved )
1078 {
1079     static const WCHAR infW[] = {'\\','i','n','f','\\',0};
1080     WCHAR target[MAX_PATH];
1081
1082     TRACE("%s, 0x%08x, %p\n", debugstr_w(inf_file), flags, reserved);
1083
1084     if (!inf_file)
1085     {
1086         SetLastError(ERROR_INVALID_PARAMETER);
1087         return FALSE;
1088     }
1089
1090     if (!GetWindowsDirectoryW( target, sizeof(target)/sizeof(WCHAR) )) return FALSE;
1091
1092     strcatW( target, infW );
1093     strcatW( target, inf_file );
1094
1095     if (flags & SUOI_FORCEDELETE)
1096         return DeleteFileW(target);
1097
1098     FIXME("not deleting %s\n", debugstr_w(target));
1099
1100     return TRUE;
1101 }
1102
1103 /***********************************************************************
1104  *      InstallCatalog  (SETUPAPI.@)
1105  */
1106 DWORD WINAPI InstallCatalog( LPCSTR catalog, LPCSTR basename, LPSTR fullname )
1107 {
1108     FIXME("%s, %s, %p\n", debugstr_a(catalog), debugstr_a(basename), fullname);
1109     return 0;
1110 }
1111
1112 /***********************************************************************
1113  *      pSetupInstallCatalog  (SETUPAPI.@)
1114  */
1115 DWORD WINAPI pSetupInstallCatalog( LPCWSTR catalog, LPCWSTR basename, LPWSTR fullname )
1116 {
1117     HCATADMIN admin;
1118     HCATINFO cat;
1119
1120     TRACE ("%s, %s, %p\n", debugstr_w(catalog), debugstr_w(basename), fullname);
1121
1122     if (!CryptCATAdminAcquireContext(&admin,NULL,0))
1123         return GetLastError();
1124
1125     if (!(cat = CryptCATAdminAddCatalog( admin, (PWSTR)catalog, (PWSTR)basename, 0 )))
1126     {
1127         DWORD rc = GetLastError();
1128         CryptCATAdminReleaseContext(admin, 0);
1129         return rc;
1130     }
1131     CryptCATAdminReleaseCatalogContext(admin, cat, 0);
1132     CryptCATAdminReleaseContext(admin,0);
1133
1134     if (fullname)
1135         FIXME("not returning full installed catalog path\n");
1136
1137     return NO_ERROR;
1138 }
1139
1140 static UINT detect_compression_type( LPCWSTR file )
1141 {
1142     DWORD size;
1143     HANDLE handle;
1144     UINT type = FILE_COMPRESSION_NONE;
1145     static const BYTE LZ_MAGIC[] = { 0x53, 0x5a, 0x44, 0x44, 0x88, 0xf0, 0x27, 0x33 };
1146     static const BYTE MSZIP_MAGIC[] = { 0x4b, 0x57, 0x41, 0x4a };
1147     static const BYTE NTCAB_MAGIC[] = { 0x4d, 0x53, 0x43, 0x46 };
1148     BYTE buffer[8];
1149
1150     handle = CreateFileW( file, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL );
1151     if (handle == INVALID_HANDLE_VALUE)
1152     {
1153         ERR("cannot open file %s\n", debugstr_w(file));
1154         return FILE_COMPRESSION_NONE;
1155     }
1156     if (!ReadFile( handle, buffer, sizeof(buffer), &size, NULL ) || size != sizeof(buffer))
1157     {
1158         CloseHandle( handle );
1159         return FILE_COMPRESSION_NONE;
1160     }
1161     if (!memcmp( buffer, LZ_MAGIC, sizeof(LZ_MAGIC) )) type = FILE_COMPRESSION_WINLZA;
1162     else if (!memcmp( buffer, MSZIP_MAGIC, sizeof(MSZIP_MAGIC) )) type = FILE_COMPRESSION_MSZIP;
1163     else if (!memcmp( buffer, NTCAB_MAGIC, sizeof(NTCAB_MAGIC) )) type = FILE_COMPRESSION_MSZIP; /* not a typo */
1164
1165     CloseHandle( handle );
1166     return type;
1167 }
1168
1169 static BOOL get_file_size( LPCWSTR file, DWORD *size )
1170 {
1171     HANDLE handle;
1172
1173     handle = CreateFileW( file, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL );
1174     if (handle == INVALID_HANDLE_VALUE)
1175     {
1176         ERR("cannot open file %s\n", debugstr_w(file));
1177         return FALSE;
1178     }
1179     *size = GetFileSize( handle, NULL );
1180     CloseHandle( handle );
1181     return TRUE;
1182 }
1183
1184 static BOOL get_file_sizes_none( LPCWSTR source, DWORD *source_size, DWORD *target_size )
1185 {
1186     DWORD size;
1187
1188     if (!get_file_size( source, &size )) return FALSE;
1189     if (source_size) *source_size = size;
1190     if (target_size) *target_size = size;
1191     return TRUE;
1192 }
1193
1194 static BOOL get_file_sizes_lz( LPCWSTR source, DWORD *source_size, DWORD *target_size )
1195 {
1196     DWORD size;
1197     BOOL ret = TRUE;
1198
1199     if (source_size)
1200     {
1201         if (!get_file_size( source, &size )) ret = FALSE;
1202         else *source_size = size;
1203     }
1204     if (target_size)
1205     {
1206         INT file;
1207         OFSTRUCT of;
1208
1209         if ((file = LZOpenFileW( (LPWSTR)source, &of, OF_READ )) < 0)
1210         {
1211             ERR("cannot open source file for reading\n");
1212             return FALSE;
1213         }
1214         *target_size = LZSeek( file, 0, 2 );
1215         LZClose( file );
1216     }
1217     return ret;
1218 }
1219
1220 static UINT CALLBACK file_compression_info_callback( PVOID context, UINT notification, UINT_PTR param1, UINT_PTR param2 )
1221 {
1222     DWORD *size = context;
1223     FILE_IN_CABINET_INFO_W *info = (FILE_IN_CABINET_INFO_W *)param1;
1224
1225     switch (notification)
1226     {
1227     case SPFILENOTIFY_FILEINCABINET:
1228     {
1229         *size = info->FileSize;
1230         return FILEOP_SKIP;
1231     }
1232     default: return NO_ERROR;
1233     }
1234 }
1235
1236 static BOOL get_file_sizes_cab( LPCWSTR source, DWORD *source_size, DWORD *target_size )
1237 {
1238     DWORD size;
1239     BOOL ret = TRUE;
1240
1241     if (source_size)
1242     {
1243         if (!get_file_size( source, &size )) ret = FALSE;
1244         else *source_size = size;
1245     }
1246     if (target_size)
1247     {
1248         ret = SetupIterateCabinetW( source, 0, file_compression_info_callback, target_size );
1249     }
1250     return ret;
1251 }
1252
1253 /***********************************************************************
1254  *      SetupGetFileCompressionInfoExA  (SETUPAPI.@)
1255  *
1256  * See SetupGetFileCompressionInfoExW.
1257  */
1258 BOOL WINAPI SetupGetFileCompressionInfoExA( PCSTR source, PSTR name, DWORD len, PDWORD required,
1259                                             PDWORD source_size, PDWORD target_size, PUINT type )
1260 {
1261     BOOL ret;
1262     WCHAR *nameW = NULL, *sourceW = NULL;
1263     DWORD nb_chars = 0;
1264     LPSTR nameA;
1265
1266     TRACE("%s, %p, %d, %p, %p, %p, %p\n", debugstr_a(source), name, len, required,
1267           source_size, target_size, type);
1268
1269     if (!source || !(sourceW = MultiByteToUnicode( source, CP_ACP ))) return FALSE;
1270
1271     if (name)
1272     {
1273         ret = SetupGetFileCompressionInfoExW( sourceW, NULL, 0, &nb_chars, NULL, NULL, NULL );
1274         if (!(nameW = HeapAlloc( GetProcessHeap(), 0, nb_chars * sizeof(WCHAR) )))
1275         {
1276             MyFree( sourceW );
1277             return FALSE;
1278         }
1279     }
1280     ret = SetupGetFileCompressionInfoExW( sourceW, nameW, nb_chars, &nb_chars, source_size, target_size, type );
1281     if (ret)
1282     {
1283         if ((nameA = UnicodeToMultiByte( nameW, CP_ACP )))
1284         {
1285             if (name && len >= nb_chars) lstrcpyA( name, nameA );
1286             else
1287             {
1288                 SetLastError( ERROR_INSUFFICIENT_BUFFER );
1289                 ret = FALSE;
1290             }
1291             MyFree( nameA );
1292         }
1293     }
1294     if (required) *required = nb_chars;
1295     HeapFree( GetProcessHeap(), 0, nameW );
1296     MyFree( sourceW );
1297
1298     return ret;
1299 }
1300
1301 /***********************************************************************
1302  *      SetupGetFileCompressionInfoExW  (SETUPAPI.@)
1303  *
1304  * Get compression type and compressed/uncompressed sizes of a given file.
1305  *
1306  * PARAMS
1307  *  source      [I] File to examine.
1308  *  name        [O] Actual filename used.
1309  *  len         [I] Length in characters of 'name' buffer.
1310  *  required    [O] Number of characters written to 'name'.
1311  *  source_size [O] Size of compressed file.
1312  *  target_size [O] Size of uncompressed file.
1313  *  type        [O] Compression type.
1314  *
1315  * RETURNS
1316  *  Success: TRUE
1317  *  Failure: FALSE
1318  */
1319 BOOL WINAPI SetupGetFileCompressionInfoExW( PCWSTR source, PWSTR name, DWORD len, PDWORD required,
1320                                             PDWORD source_size, PDWORD target_size, PUINT type )
1321 {
1322     UINT comp;
1323     BOOL ret = FALSE;
1324     DWORD source_len;
1325
1326     TRACE("%s, %p, %d, %p, %p, %p, %p\n", debugstr_w(source), name, len, required,
1327           source_size, target_size, type);
1328
1329     if (!source) return FALSE;
1330
1331     source_len = lstrlenW( source ) + 1;
1332     if (required) *required = source_len;
1333     if (name && len >= source_len)
1334     {
1335         lstrcpyW( name, source );
1336         ret = TRUE;
1337     }
1338     else return FALSE;
1339
1340     comp = detect_compression_type( source );
1341     if (type) *type = comp;
1342
1343     switch (comp)
1344     {
1345     case FILE_COMPRESSION_MSZIP:
1346     case FILE_COMPRESSION_NTCAB:  ret = get_file_sizes_cab( source, source_size, target_size ); break;
1347     case FILE_COMPRESSION_NONE:   ret = get_file_sizes_none( source, source_size, target_size ); break;
1348     case FILE_COMPRESSION_WINLZA: ret = get_file_sizes_lz( source, source_size, target_size ); break;
1349     default: break;
1350     }
1351     return ret;
1352 }
1353
1354 /***********************************************************************
1355  *      SetupGetFileCompressionInfoA  (SETUPAPI.@)
1356  *
1357  * See SetupGetFileCompressionInfoW.
1358  */
1359 DWORD WINAPI SetupGetFileCompressionInfoA( PCSTR source, PSTR *name, PDWORD source_size,
1360                                            PDWORD target_size, PUINT type )
1361 {
1362     BOOL ret;
1363     DWORD error, required;
1364     LPSTR actual_name;
1365
1366     TRACE("%s, %p, %p, %p, %p\n", debugstr_a(source), name, source_size, target_size, type);
1367
1368     if (!source || !name || !source_size || !target_size || !type)
1369         return ERROR_INVALID_PARAMETER;
1370
1371     ret = SetupGetFileCompressionInfoExA( source, NULL, 0, &required, NULL, NULL, NULL );
1372     if (!(actual_name = MyMalloc( required ))) return ERROR_NOT_ENOUGH_MEMORY;
1373
1374     ret = SetupGetFileCompressionInfoExA( source, actual_name, required, &required,
1375                                           source_size, target_size, type );
1376     if (!ret)
1377     {
1378         error = GetLastError();
1379         MyFree( actual_name );
1380         return error;
1381     }
1382     *name = actual_name;
1383     return ERROR_SUCCESS;
1384 }
1385
1386 /***********************************************************************
1387  *      SetupGetFileCompressionInfoW  (SETUPAPI.@)
1388  *
1389  * Get compression type and compressed/uncompressed sizes of a given file.
1390  *
1391  * PARAMS
1392  *  source      [I] File to examine.
1393  *  name        [O] Actual filename used.
1394  *  source_size [O] Size of compressed file.
1395  *  target_size [O] Size of uncompressed file.
1396  *  type        [O] Compression type.
1397  *
1398  * RETURNS
1399  *  Success: ERROR_SUCCESS
1400  *  Failure: Win32 error code.
1401  */
1402 DWORD WINAPI SetupGetFileCompressionInfoW( PCWSTR source, PWSTR *name, PDWORD source_size,
1403                                            PDWORD target_size, PUINT type )
1404 {
1405     BOOL ret;
1406     DWORD error, required;
1407     LPWSTR actual_name;
1408
1409     TRACE("%s, %p, %p, %p, %p\n", debugstr_w(source), name, source_size, target_size, type);
1410
1411     if (!source || !name || !source_size || !target_size || !type)
1412         return ERROR_INVALID_PARAMETER;
1413
1414     ret = SetupGetFileCompressionInfoExW( source, NULL, 0, &required, NULL, NULL, NULL );
1415     if (!(actual_name = MyMalloc( required ))) return ERROR_NOT_ENOUGH_MEMORY;
1416
1417     ret = SetupGetFileCompressionInfoExW( source, actual_name, required, &required,
1418                                           source_size, target_size, type );
1419     if (!ret)
1420     {
1421         error = GetLastError();
1422         MyFree( actual_name );
1423         return error;
1424     }
1425     *name = actual_name;
1426     return ERROR_SUCCESS;
1427 }
1428
1429 static DWORD decompress_file_lz( LPCWSTR source, LPCWSTR target )
1430 {
1431     DWORD ret;
1432     LONG error;
1433     INT src, dst;
1434     OFSTRUCT sof, dof;
1435
1436     if ((src = LZOpenFileW( (LPWSTR)source, &sof, OF_READ )) < 0)
1437     {
1438         ERR("cannot open source file for reading\n");
1439         return ERROR_FILE_NOT_FOUND;
1440     }
1441     if ((dst = LZOpenFileW( (LPWSTR)target, &dof, OF_CREATE )) < 0)
1442     {
1443         ERR("cannot open target file for writing\n");
1444         LZClose( src );
1445         return ERROR_FILE_NOT_FOUND;
1446     }
1447     if ((error = LZCopy( src, dst )) >= 0) ret = ERROR_SUCCESS;
1448     else
1449     {
1450         WARN("failed to decompress file %d\n", error);
1451         ret = ERROR_INVALID_DATA;
1452     }
1453
1454     LZClose( src );
1455     LZClose( dst );
1456     return ret;
1457 }
1458
1459 static UINT CALLBACK decompress_or_copy_callback( PVOID context, UINT notification, UINT_PTR param1, UINT_PTR param2 )
1460 {
1461     FILE_IN_CABINET_INFO_W *info = (FILE_IN_CABINET_INFO_W *)param1;
1462
1463     switch (notification)
1464     {
1465     case SPFILENOTIFY_FILEINCABINET:
1466     {
1467         LPCWSTR filename, targetname = context;
1468         WCHAR *p;
1469
1470         if ((p = strrchrW( targetname, '\\' ))) filename = p + 1;
1471         else filename = targetname;
1472
1473         if (!lstrcmpiW( filename, info->NameInCabinet ))
1474         {
1475             strcpyW( info->FullTargetName, targetname );
1476             return FILEOP_DOIT;
1477         }
1478         return FILEOP_SKIP;
1479     }
1480     default: return NO_ERROR;
1481     }
1482 }
1483
1484 static DWORD decompress_file_cab( LPCWSTR source, LPCWSTR target )
1485 {
1486     BOOL ret;
1487
1488     ret = SetupIterateCabinetW( source, 0, decompress_or_copy_callback, (PVOID)target );
1489
1490     if (ret) return ERROR_SUCCESS;
1491     else return GetLastError();
1492 }
1493
1494 /***********************************************************************
1495  *      SetupDecompressOrCopyFileA  (SETUPAPI.@)
1496  *
1497  * See SetupDecompressOrCopyFileW.
1498  */
1499 DWORD WINAPI SetupDecompressOrCopyFileA( PCSTR source, PCSTR target, PUINT type )
1500 {
1501     DWORD ret = FALSE;
1502     WCHAR *sourceW = NULL, *targetW = NULL;
1503
1504     if (source && !(sourceW = MultiByteToUnicode( source, CP_ACP ))) return FALSE;
1505     if (target && !(targetW = MultiByteToUnicode( target, CP_ACP )))
1506     {
1507         MyFree( sourceW );
1508         return ERROR_NOT_ENOUGH_MEMORY;
1509     }
1510
1511     ret = SetupDecompressOrCopyFileW( sourceW, targetW, type );
1512
1513     MyFree( sourceW );
1514     MyFree( targetW );
1515
1516     return ret;
1517 }
1518
1519 /***********************************************************************
1520  *      SetupDecompressOrCopyFileW  (SETUPAPI.@)
1521  *
1522  * Copy a file and decompress it if needed.
1523  *
1524  * PARAMS
1525  *  source [I] File to copy.
1526  *  target [I] Filename of the copy.
1527  *  type   [I] Compression type.
1528  *
1529  * RETURNS
1530  *  Success: ERROR_SUCCESS
1531  *  Failure: Win32 error code.
1532  */
1533 DWORD WINAPI SetupDecompressOrCopyFileW( PCWSTR source, PCWSTR target, PUINT type )
1534 {
1535     UINT comp;
1536     DWORD ret = ERROR_INVALID_PARAMETER;
1537
1538     if (!source || !target) return ERROR_INVALID_PARAMETER;
1539
1540     if (!type) comp = detect_compression_type( source );
1541     else comp = *type;
1542
1543     switch (comp)
1544     {
1545     case FILE_COMPRESSION_NONE:
1546         if (CopyFileW( source, target, FALSE )) ret = ERROR_SUCCESS;
1547         else ret = GetLastError();
1548         break;
1549     case FILE_COMPRESSION_WINLZA:
1550         ret = decompress_file_lz( source, target );
1551         break;
1552     case FILE_COMPRESSION_NTCAB:
1553     case FILE_COMPRESSION_MSZIP:
1554         ret = decompress_file_cab( source, target );
1555         break;
1556     default:
1557         WARN("unknown compression type %d\n", comp);
1558         break;
1559     }
1560
1561     TRACE("%s -> %s %d\n", debugstr_w(source), debugstr_w(target), comp);
1562     return ret;
1563 }