dlls/advpack/files.c

   1 /*
   2  * Advpack file functions
   3  *
   4  * Copyright 2006 James Hawkins
   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 <stdlib.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "winreg.h"
  28 #include "winnls.h"
  29 #include "winver.h"
  30 #include "winternl.h"
  31 #include "setupapi.h"
  32 #include "advpub.h"
  33 #include "fdi.h"
  34 #include "wine/debug.h"
  35 #include "advpack_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(advpack);
  38
  39 /* converts an ansi double null-terminated list to a unicode list */
  40 static LPWSTR ansi_to_unicode_list(LPCSTR ansi_list)
  41 {
  42     DWORD len, wlen = 0;
  43     LPWSTR list;
  44     LPCSTR ptr = ansi_list;
  45
  46     while (*ptr) ptr += lstrlenA(ptr) + 1;
  47     len = ptr + 1 - ansi_list;
  48     wlen = MultiByteToWideChar(CP_ACP, 0, ansi_list, len, NULL, 0);
  49     list = HeapAlloc(GetProcessHeap(), 0, wlen * sizeof(WCHAR));
  50     MultiByteToWideChar(CP_ACP, 0, ansi_list, len, list, wlen);
  51     return list;
  52 }
  53
  54 /***********************************************************************
  55  *      AddDelBackupEntryA (ADVPACK.@)
  56  *
  57  * See AddDelBackupEntryW.
  58  */
  59 HRESULT WINAPI AddDelBackupEntryA(LPCSTR lpcszFileList, LPCSTR lpcszBackupDir,
  60                                   LPCSTR lpcszBaseName, DWORD dwFlags)
  61 {
  62     UNICODE_STRING backupdir, basename;
  63     LPWSTR filelist;
  64     LPCWSTR backup;
  65     HRESULT res;
  66
  67     TRACE("(%s, %s, %s, %ld)\n", debugstr_a(lpcszFileList),
  68           debugstr_a(lpcszBackupDir), debugstr_a(lpcszBaseName), dwFlags);
  69
  70     if (lpcszFileList)
  71         filelist = ansi_to_unicode_list(lpcszFileList);
  72     else
  73         filelist = NULL;
  74
  75     RtlCreateUnicodeStringFromAsciiz(&backupdir, lpcszBackupDir);
  76     RtlCreateUnicodeStringFromAsciiz(&basename, lpcszBaseName);
  77
  78     if (lpcszBackupDir)
  79         backup = backupdir.Buffer;
  80     else
  81         backup = NULL;
  82
  83     res = AddDelBackupEntryW(filelist, backup, basename.Buffer, dwFlags);
  84
  85     HeapFree(GetProcessHeap(), 0, filelist);
  86
  87     RtlFreeUnicodeString(&backupdir);
  88     RtlFreeUnicodeString(&basename);
  89
  90     return res;
  91 }
  92
  93 /***********************************************************************
  94  *      AddDelBackupEntryW (ADVPACK.@)
  95  *
  96  * Either appends the files in the file list to the backup section of
  97  * the specified INI, or deletes the entries from the INI file.
  98  *
  99  * PARAMS
 100  *   lpcszFileList  [I] NULL-separated list of filenames.
 101  *   lpcszBackupDir [I] Path of the backup directory.
 102  *   lpcszBaseName  [I] Basename of the INI file.
 103  *   dwFlags        [I] AADBE_ADD_ENTRY adds the entries in the file list
 104  *                      to the INI file, while AADBE_DEL_ENTRY removes
 105  *                      the entries from the INI file.
 106  *
 107  * RETURNS
 108  *   S_OK in all cases.
 109  *
 110  * NOTES
 111  *   If the INI file does not exist before adding entries to it, the file
 112  *   will be created.
 113  *
 114  *   If lpcszBackupDir is NULL, the INI file is assumed to exist in
 115  *   c:\windows or created there if it does not exist.
 116  */
 117 HRESULT WINAPI AddDelBackupEntryW(LPCWSTR lpcszFileList, LPCWSTR lpcszBackupDir,
 118                                   LPCWSTR lpcszBaseName, DWORD dwFlags)
 119 {
 120     WCHAR szIniPath[MAX_PATH];
 121     LPCWSTR szString = NULL;
 122
 123     TRACE("(%s, %s, %s, %ld)\n", debugstr_w(lpcszFileList),
 124           debugstr_w(lpcszBackupDir), debugstr_w(lpcszBaseName), dwFlags);
 125
 126     if (!lpcszFileList || !*lpcszFileList)
 127         return S_OK;
 128
 129     if (lpcszBackupDir)
 130         lstrcpyW(szIniPath, lpcszBackupDir);
 131     else
 132         GetWindowsDirectoryW(szIniPath, MAX_PATH);
 133
 134     lstrcatW(szIniPath, L"\\");
 135     lstrcatW(szIniPath, lpcszBaseName);
 136     lstrcatW(szIniPath, L".ini");
 137
 138     SetFileAttributesW(szIniPath, FILE_ATTRIBUTE_NORMAL);
 139
 140     if (dwFlags & AADBE_ADD_ENTRY)
 141         szString = L"-1,0,0,0,0,0,-1";
 142     else if (dwFlags & AADBE_DEL_ENTRY)
 143         szString = NULL;
 144
 145     /* add or delete the INI entries */
 146     while (*lpcszFileList)
 147     {
 148         WritePrivateProfileStringW(L"backup", lpcszFileList, szString, szIniPath);
 149         lpcszFileList += lstrlenW(lpcszFileList) + 1;
 150     }
 151
 152     /* hide the INI file */
 153     SetFileAttributesW(szIniPath, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN);
 154
 155     return S_OK;
 156 }
 157
 158 /* FIXME: this is only for the local case, X:\ */
 159 #define ROOT_LENGTH 3
 160
 161 static UINT CALLBACK pQuietQueueCallback(PVOID Context, UINT Notification,
 162                                          UINT_PTR Param1, UINT_PTR Param2)
 163 {
 164     return 1;
 165 }
 166
 167 static UINT CALLBACK pQueueCallback(PVOID Context, UINT Notification,
 168                                     UINT_PTR Param1, UINT_PTR Param2)
 169 {
 170     /* only be verbose for error notifications */
 171     if (!Notification ||
 172         Notification == SPFILENOTIFY_RENAMEERROR ||
 173         Notification == SPFILENOTIFY_DELETEERROR ||
 174         Notification == SPFILENOTIFY_COPYERROR)
 175     {
 176         return SetupDefaultQueueCallbackW(Context, Notification,
 177                                           Param1, Param2);
 178     }
 179
 180     return 1;
 181 }
 182
 183 /***********************************************************************
 184  *      AdvInstallFileA (ADVPACK.@)
 185  *
 186  * See AdvInstallFileW.
 187  */
 188 HRESULT WINAPI AdvInstallFileA(HWND hwnd, LPCSTR lpszSourceDir, LPCSTR lpszSourceFile,
 189                                LPCSTR lpszDestDir, LPCSTR lpszDestFile,
 190                                DWORD dwFlags, DWORD dwReserved)
 191 {
 192     UNICODE_STRING sourcedir, sourcefile;
 193     UNICODE_STRING destdir, destfile;
 194     HRESULT res;
 195
 196     TRACE("(%p, %s, %s, %s, %s, %ld, %ld)\n", hwnd, debugstr_a(lpszSourceDir),
 197           debugstr_a(lpszSourceFile), debugstr_a(lpszDestDir),
 198           debugstr_a(lpszDestFile), dwFlags, dwReserved);
 199
 200     if (!lpszSourceDir || !lpszSourceFile || !lpszDestDir)
 201         return E_INVALIDARG;
 202
 203     RtlCreateUnicodeStringFromAsciiz(&sourcedir, lpszSourceDir);
 204     RtlCreateUnicodeStringFromAsciiz(&sourcefile, lpszSourceFile);
 205     RtlCreateUnicodeStringFromAsciiz(&destdir, lpszDestDir);
 206     RtlCreateUnicodeStringFromAsciiz(&destfile, lpszDestFile);
 207
 208     res = AdvInstallFileW(hwnd, sourcedir.Buffer, sourcefile.Buffer,
 209                           destdir.Buffer, destfile.Buffer, dwFlags, dwReserved);
 210
 211     RtlFreeUnicodeString(&sourcedir);
 212     RtlFreeUnicodeString(&sourcefile);
 213     RtlFreeUnicodeString(&destdir);
 214     RtlFreeUnicodeString(&destfile);
 215
 216     return res;
 217 }
 218
 219 /***********************************************************************
 220  *      AdvInstallFileW (ADVPACK.@)
 221  *
 222  * Copies a file from the source to a destination.
 223  *
 224  * PARAMS
 225  *   hwnd           [I] Handle to the window used for messages.
 226  *   lpszSourceDir  [I] Source directory.
 227  *   lpszSourceFile [I] Source filename.
 228  *   lpszDestDir    [I] Destination directory.
 229  *   lpszDestFile   [I] Optional destination filename.
 230  *   dwFlags        [I] See advpub.h.
 231  *   dwReserved     [I] Reserved.  Must be 0.
 232  *
 233  * RETURNS
 234  *   Success: S_OK.
 235  *   Failure: E_FAIL.
 236  *
 237  * NOTES
 238  *   If lpszDestFile is NULL, the destination filename is the same as
 239  *   lpszSourceFIle.
 240  */
 241 HRESULT WINAPI AdvInstallFileW(HWND hwnd, LPCWSTR lpszSourceDir, LPCWSTR lpszSourceFile,
 242                                LPCWSTR lpszDestDir, LPCWSTR lpszDestFile,
 243                                DWORD dwFlags, DWORD dwReserved)
 244 {
 245     PSP_FILE_CALLBACK_W pFileCallback;
 246     LPWSTR szDestFilename;
 247     LPCWSTR szPath;
 248     WCHAR szRootPath[ROOT_LENGTH];
 249     DWORD dwLen, dwLastError;
 250     HSPFILEQ fileQueue;
 251     PVOID pContext;
 252
 253     TRACE("(%p, %s, %s, %s, %s, %ld, %ld)\n", hwnd, debugstr_w(lpszSourceDir),
 254           debugstr_w(lpszSourceFile), debugstr_w(lpszDestDir),
 255           debugstr_w(lpszDestFile), dwFlags, dwReserved);
 256
 257     if (!lpszSourceDir || !lpszSourceFile || !lpszDestDir)
 258         return E_INVALIDARG;
 259
 260     fileQueue = SetupOpenFileQueue();
 261     if (fileQueue == INVALID_HANDLE_VALUE)
 262         return HRESULT_FROM_WIN32(GetLastError());
 263
 264     pContext = NULL;
 265     dwLastError = ERROR_SUCCESS;
 266
 267     lstrcpynW(szRootPath, lpszSourceDir, ROOT_LENGTH);
 268     szPath = lpszSourceDir + ROOT_LENGTH;
 269
 270     /* use lpszSourceFile as destination filename if lpszDestFile is NULL */
 271     if (lpszDestFile)
 272     {
 273         dwLen = lstrlenW(lpszDestFile);
 274         szDestFilename = HeapAlloc(GetProcessHeap(), 0, (dwLen+1) * sizeof(WCHAR));
 275         lstrcpyW(szDestFilename, lpszDestFile);
 276     }
 277     else
 278     {
 279         dwLen = lstrlenW(lpszSourceFile);
 280         szDestFilename = HeapAlloc(GetProcessHeap(), 0, (dwLen+1) * sizeof(WCHAR));
 281         lstrcpyW(szDestFilename, lpszSourceFile);
 282     }
 283
 284     /* add the file copy operation to the setup queue */
 285     if (!SetupQueueCopyW(fileQueue, szRootPath, szPath, lpszSourceFile, NULL,
 286                          NULL, lpszDestDir, szDestFilename, dwFlags))
 287     {
 288         dwLastError = GetLastError();
 289         goto done;
 290     }
 291
 292     pContext = SetupInitDefaultQueueCallbackEx(hwnd, INVALID_HANDLE_VALUE,
 293                                                0, 0, NULL);
 294     if (!pContext)
 295     {
 296         dwLastError = GetLastError();
 297         goto done;
 298     }
 299
 300     /* don't output anything for AIF_QUIET */
 301     if (dwFlags & AIF_QUIET)
 302         pFileCallback = pQuietQueueCallback;
 303     else
 304         pFileCallback = pQueueCallback;
 305
 306     /* perform the file copy */
 307     if (!SetupCommitFileQueueW(hwnd, fileQueue, pFileCallback, pContext))
 308     {
 309         dwLastError = GetLastError();
 310         goto done;
 311     }
 312
 313 done:
 314     SetupTermDefaultQueueCallback(pContext);
 315     SetupCloseFileQueue(fileQueue);
 316
 317     HeapFree(GetProcessHeap(), 0, szDestFilename);
 318
 319     return HRESULT_FROM_WIN32(dwLastError);
 320 }
 321
 322 static HRESULT DELNODE_recurse_dirtree(LPWSTR fname, DWORD flags)
 323 {
 324     DWORD fattrs = GetFileAttributesW(fname);
 325     HRESULT ret = E_FAIL;
 326
 327     if (fattrs & FILE_ATTRIBUTE_DIRECTORY)
 328     {
 329         HANDLE hFindFile;
 330         WIN32_FIND_DATAW w32fd;
 331         BOOL done = TRUE;
 332         int fname_len = lstrlenW(fname);
 333
 334         /* Generate a path with wildcard suitable for iterating */
 335         if (fname_len && fname[fname_len-1] != '\\') fname[fname_len++] = '\\';
 336         lstrcpyW(fname + fname_len, L"*");
 337
 338         if ((hFindFile = FindFirstFileW(fname, &w32fd)) != INVALID_HANDLE_VALUE)
 339         {
 340             /* Iterate through the files in the directory */
 341             for (done = FALSE; !done; done = !FindNextFileW(hFindFile, &w32fd))
 342             {
 343                 TRACE("%s\n", debugstr_w(w32fd.cFileName));
 344                 if (lstrcmpW(L".", w32fd.cFileName) != 0 && lstrcmpW(L"..", w32fd.cFileName) != 0)
 345                 {
 346                     lstrcpyW(fname + fname_len, w32fd.cFileName);
 347                     if (DELNODE_recurse_dirtree(fname, flags) != S_OK)
 348                     {
 349                         break; /* Failure */
 350                     }
 351                 }
 352             }
 353             FindClose(hFindFile);
 354         }
 355
 356         /* We're done with this directory, so restore the old path without wildcard */
 357         *(fname + fname_len) = '\0';
 358
 359         if (done)
 360         {
 361             TRACE("%s: directory\n", debugstr_w(fname));
 362             if (SetFileAttributesW(fname, FILE_ATTRIBUTE_NORMAL) && RemoveDirectoryW(fname))
 363             {
 364                 ret = S_OK;
 365             }
 366         }
 367     }
 368     else
 369     {
 370         TRACE("%s: file\n", debugstr_w(fname));
 371         if (SetFileAttributesW(fname, FILE_ATTRIBUTE_NORMAL) && DeleteFileW(fname))
 372         {
 373             ret = S_OK;
 374         }
 375     }
 376
 377     return ret;
 378 }
 379
 380 /***********************************************************************
 381  *              DelNodeA   (ADVPACK.@)
 382  *
 383  * See DelNodeW.
 384  */
 385 HRESULT WINAPI DelNodeA(LPCSTR pszFileOrDirName, DWORD dwFlags)
 386 {
 387     UNICODE_STRING fileordirname;
 388     HRESULT res;
 389
 390     TRACE("(%s, %ld)\n", debugstr_a(pszFileOrDirName), dwFlags);
 391
 392     RtlCreateUnicodeStringFromAsciiz(&fileordirname, pszFileOrDirName);
 393
 394     res = DelNodeW(fileordirname.Buffer, dwFlags);
 395
 396     RtlFreeUnicodeString(&fileordirname);
 397
 398     return res;
 399 }
 400
 401 /***********************************************************************
 402  *              DelNodeW   (ADVPACK.@)
 403  *
 404  * Deletes a file or directory
 405  *
 406  * PARAMS
 407  *   pszFileOrDirName   [I] Name of file or directory to delete
 408  *   dwFlags            [I] Flags; see include/advpub.h
 409  *
 410  * RETURNS
 411  *   Success: S_OK
 412  *   Failure: E_FAIL
 413  *
 414  * BUGS
 415  *   - Ignores flags
 416  *   - Native version apparently does a lot of checking to make sure
 417  *     we're not trying to delete a system directory etc.
 418  */
 419 HRESULT WINAPI DelNodeW(LPCWSTR pszFileOrDirName, DWORD dwFlags)
 420 {
 421     WCHAR fname[MAX_PATH];
 422     HRESULT ret = E_FAIL;
 423
 424     TRACE("(%s, %ld)\n", debugstr_w(pszFileOrDirName), dwFlags);
 425
 426     if (dwFlags)
 427         FIXME("Flags ignored!\n");
 428
 429     if (pszFileOrDirName && *pszFileOrDirName)
 430     {
 431         lstrcpyW(fname, pszFileOrDirName);
 432
 433         /* TODO: Should check for system directory deletion etc. here */
 434
 435         ret = DELNODE_recurse_dirtree(fname, dwFlags);
 436     }
 437
 438     return ret;
 439 }
 440
 441 /***********************************************************************
 442  *             DelNodeRunDLL32A   (ADVPACK.@)
 443  *
 444  * See DelNodeRunDLL32W.
 445  */
 446 HRESULT WINAPI DelNodeRunDLL32A(HWND hWnd, HINSTANCE hInst, LPSTR cmdline, INT show)
 447 {
 448     UNICODE_STRING params;
 449     HRESULT hr;
 450
 451     TRACE("(%p, %p, %s, %i)\n", hWnd, hInst, debugstr_a(cmdline), show);
 452
 453     RtlCreateUnicodeStringFromAsciiz(&params, cmdline);
 454
 455     hr = DelNodeRunDLL32W(hWnd, hInst, params.Buffer, show);
 456
 457     RtlFreeUnicodeString(&params);
 458
 459     return hr;
 460 }
 461
 462 /***********************************************************************
 463  *             DelNodeRunDLL32W   (ADVPACK.@)
 464  *
 465  * Deletes a file or directory, WinMain style.
 466  *
 467  * PARAMS
 468  *   hWnd    [I] Handle to the window used for the display.
 469  *   hInst   [I] Instance of the process.
 470  *   cmdline [I] Contains parameters in the order FileOrDirName,Flags.
 471  *   show    [I] How the window should be shown.
 472  *
 473  * RETURNS
 474  *   Success: S_OK.
 475  *   Failure: E_FAIL.
 476  */
 477 HRESULT WINAPI DelNodeRunDLL32W(HWND hWnd, HINSTANCE hInst, LPWSTR cmdline, INT show)
 478 {
 479     LPWSTR szFilename, szFlags;
 480     LPWSTR cmdline_copy, cmdline_ptr;
 481     DWORD dwFlags = 0;
 482     HRESULT res;
 483
 484     TRACE("(%p, %p, %s, %i)\n", hWnd, hInst, debugstr_w(cmdline), show);
 485
 486     cmdline_copy = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(cmdline) + 1) * sizeof(WCHAR));
 487     cmdline_ptr = cmdline_copy;
 488     lstrcpyW(cmdline_copy, cmdline);
 489
 490     /* get the parameters at indexes 0 and 1 respectively */
 491     szFilename = get_parameter(&cmdline_ptr, ',', TRUE);
 492     szFlags = get_parameter(&cmdline_ptr, ',', TRUE);
 493
 494     if (szFlags)
 495         dwFlags = wcstol(szFlags, NULL, 10);
 496
 497     res = DelNodeW(szFilename, dwFlags);
 498
 499     HeapFree(GetProcessHeap(), 0, cmdline_copy);
 500
 501     return res;
 502 }
 503
 504 /* The following definitions were copied from dlls/cabinet/cabinet.h */
 505
 506 /* SESSION Operation */
 507 #define EXTRACT_FILLFILELIST  0x00000001
 508 #define EXTRACT_EXTRACTFILES  0x00000002
 509
 510 struct FILELIST{
 511     LPSTR FileName;
 512     struct FILELIST *next;
 513     BOOL DoExtract;
 514 };
 515
 516 typedef struct {
 517     INT FileSize;
 518     ERF Error;
 519     struct FILELIST *FileList;
 520     INT FileCount;
 521     INT Operation;
 522     CHAR Destination[MAX_PATH];
 523     CHAR CurrentFile[MAX_PATH];
 524     CHAR Reserved[MAX_PATH];
 525     struct FILELIST *FilterList;
 526 } SESSION;
 527
 528 static HRESULT (WINAPI *pExtract)(SESSION*, LPCSTR);
 529
 530 /* removes legal characters before and after file list, and
 531  * converts the file list to a NULL-separated list
 532  */
 533 static LPSTR convert_file_list(LPCSTR FileList, DWORD *dwNumFiles)
 534 {
 535     DWORD dwLen;
 536     const char *first = FileList;
 537     const char *last = FileList + strlen(FileList) - 1;
 538     LPSTR szConvertedList, temp;
 539
 540     /* any number of these chars before the list is OK */
 541     while (first < last && (*first == ' ' || *first == '\t' || *first == ':'))
 542         first++;
 543
 544     /* any number of these chars after the list is OK */
 545     while (last > first && (*last == ' ' || *last == '\t' || *last == ':'))
 546         last--;
 547
 548     if (first == last)
 549         return NULL;
 550
 551     dwLen = last - first + 3; /* room for double-null termination */
 552     szConvertedList = HeapAlloc(GetProcessHeap(), 0, dwLen);
 553     lstrcpynA(szConvertedList, first, dwLen - 1);
 554     szConvertedList[dwLen - 1] = '\0';
 555
 556     /* empty list */
 557     if (!szConvertedList[0])
 558     {
 559         HeapFree(GetProcessHeap(), 0, szConvertedList);
 560         return NULL;
 561     }
 562
 563     *dwNumFiles = 1;
 564
 565     /* convert the colons to double-null termination */
 566     temp = szConvertedList;
 567     while (*temp)
 568     {
 569         if (*temp == ':')
 570         {
 571             *temp = '\0';
 572             (*dwNumFiles)++;
 573         }
 574
 575         temp++;
 576     }
 577
 578     return szConvertedList;
 579 }
 580
 581 static void free_file_node(struct FILELIST *pNode)
 582 {
 583     HeapFree(GetProcessHeap(), 0, pNode->FileName);
 584     HeapFree(GetProcessHeap(), 0, pNode);
 585 }
 586
 587 /* determines whether szFile is in the NULL-separated szFileList */
 588 static BOOL file_in_list(LPCSTR szFile, LPCSTR szFileList)
 589 {
 590     DWORD dwLen = lstrlenA(szFile);
 591     DWORD dwTestLen;
 592
 593     while (*szFileList)
 594     {
 595         dwTestLen = lstrlenA(szFileList);
 596
 597         if (dwTestLen == dwLen)
 598         {
 599             if (!lstrcmpiA(szFile, szFileList))
 600                 return TRUE;
 601         }
 602
 603         szFileList += dwTestLen + 1;
 604     }
 605
 606     return FALSE;
 607 }
 608
 609
 610 /* returns the number of files that are in both the linked list and szFileList */
 611 static DWORD fill_file_list(SESSION *session, LPCSTR szCabName, LPCSTR szFileList)
 612 {
 613     DWORD dwNumFound = 0;
 614     struct FILELIST *pNode;
 615
 616     session->Operation |= EXTRACT_FILLFILELIST;
 617     if (pExtract(session, szCabName) != S_OK)
 618     {
 619         session->Operation &= ~EXTRACT_FILLFILELIST;
 620         return -1;
 621     }
 622
 623     pNode = session->FileList;
 624     while (pNode)
 625     {
 626         if (!file_in_list(pNode->FileName, szFileList))
 627             pNode->DoExtract = FALSE;
 628         else
 629             dwNumFound++;
 630
 631         pNode = pNode->next;
 632     }
 633
 634     session->Operation &= ~EXTRACT_FILLFILELIST;
 635     return dwNumFound;
 636 }
 637
 638 static void free_file_list(SESSION* session)
 639 {
 640     struct FILELIST *next, *curr = session->FileList;
 641
 642     while (curr)
 643     {
 644         next = curr->next;
 645         free_file_node(curr);
 646         curr = next;
 647     }
 648 }
 649
 650 /***********************************************************************
 651  *             ExtractFilesA    (ADVPACK.@)
 652  *
 653  * Extracts the specified files from a cab archive into
 654  * a destination directory.
 655  *
 656  * PARAMS
 657  *   CabName   [I] Filename of the cab archive.
 658  *   ExpandDir [I] Destination directory for the extracted files.
 659  *   Flags     [I] Reserved.
 660  *   FileList  [I] Optional list of files to extract.  See NOTES.
 661  *   LReserved [I] Reserved.  Must be NULL.
 662  *   Reserved  [I] Reserved.  Must be 0.
 663  *
 664  * RETURNS
 665  *   Success: S_OK.
 666  *   Failure: E_FAIL.
 667  *
 668  * NOTES
 669  *   FileList is a colon-separated list of filenames.  If FileList is
 670  *   non-NULL, only the files in the list will be extracted from the
 671  *   cab file, otherwise all files will be extracted.  Any number of
 672  *   spaces, tabs, or colons can be before or after the list, but
 673  *   the list itself must only be separated by colons.
 674  */
 675 HRESULT WINAPI ExtractFilesA(LPCSTR CabName, LPCSTR ExpandDir, DWORD Flags,
 676                              LPCSTR FileList, LPVOID LReserved, DWORD Reserved)
 677 {
 678     SESSION session;
 679     HMODULE hCabinet;
 680     HRESULT res = S_OK;
 681     DWORD dwFileCount = 0;
 682     DWORD dwFilesFound = 0;
 683     LPSTR szConvertedList = NULL;
 684
 685     TRACE("(%s, %s, %ld, %s, %p, %ld)\n", debugstr_a(CabName), debugstr_a(ExpandDir),
 686           Flags, debugstr_a(FileList), LReserved, Reserved);
 687
 688     if (!CabName || !ExpandDir)
 689         return E_INVALIDARG;
 690
 691     if (GetFileAttributesA(ExpandDir) == INVALID_FILE_ATTRIBUTES)
 692         return HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
 693
 694     hCabinet = LoadLibraryA("cabinet.dll");
 695     if (!hCabinet)
 696         return E_FAIL;
 697
 698     ZeroMemory(&session, sizeof(SESSION));
 699
 700     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
 701     if (!pExtract)
 702     {
 703         res = E_FAIL;
 704         goto done;
 705     }
 706
 707     lstrcpyA(session.Destination, ExpandDir);
 708
 709     if (FileList)
 710     {
 711         szConvertedList = convert_file_list(FileList, &dwFileCount);
 712         if (!szConvertedList)
 713         {
 714             res = E_FAIL;
 715             goto done;
 716         }
 717
 718         dwFilesFound = fill_file_list(&session, CabName, szConvertedList);
 719         if (dwFilesFound != dwFileCount)
 720         {
 721             res = E_FAIL;
 722             goto done;
 723         }
 724     }
 725     else
 726         session.Operation |= EXTRACT_FILLFILELIST;
 727
 728     session.Operation |= EXTRACT_EXTRACTFILES;
 729     res = pExtract(&session, CabName);
 730
 731 done:
 732     free_file_list(&session);
 733     FreeLibrary(hCabinet);
 734     HeapFree(GetProcessHeap(), 0, szConvertedList);
 735
 736     return res;
 737 }
 738
 739 /***********************************************************************
 740  *             ExtractFilesW    (ADVPACK.@)
 741  *
 742  * Extracts the specified files from a cab archive into
 743  * a destination directory.
 744  *
 745  * PARAMS
 746  *   CabName   [I] Filename of the cab archive.
 747  *   ExpandDir [I] Destination directory for the extracted files.
 748  *   Flags     [I] Reserved.
 749  *   FileList  [I] Optional list of files to extract.  See NOTES.
 750  *   LReserved [I] Reserved.  Must be NULL.
 751  *   Reserved  [I] Reserved.  Must be 0.
 752  *
 753  * RETURNS
 754  *   Success: S_OK.
 755  *   Failure: E_FAIL.
 756  *
 757  * NOTES
 758  *   FileList is a colon-separated list of filenames.  If FileList is
 759  *   non-NULL, only the files in the list will be extracted from the
 760  *   cab file, otherwise all files will be extracted.  Any number of
 761  *   spaces, tabs, or colons can be before or after the list, but
 762  *   the list itself must only be separated by colons.
 763  *
 764  * BUGS
 765  *   Unimplemented.
 766  */
 767 HRESULT WINAPI ExtractFilesW(LPCWSTR CabName, LPCWSTR ExpandDir, DWORD Flags,
 768                              LPCWSTR FileList, LPVOID LReserved, DWORD Reserved)
 769 {
 770     char *cab_name = NULL, *expand_dir = NULL, *file_list = NULL;
 771     HRESULT hres = S_OK;
 772
 773     TRACE("(%s, %s, %ld, %s, %p, %ld)\n", debugstr_w(CabName), debugstr_w(ExpandDir),
 774           Flags, debugstr_w(FileList), LReserved, Reserved);
 775
 776     if(CabName) {
 777         cab_name = heap_strdupWtoA(CabName);
 778         if(!cab_name)
 779             return E_OUTOFMEMORY;
 780     }
 781
 782     if(ExpandDir) {
 783         expand_dir = heap_strdupWtoA(ExpandDir);
 784         if(!expand_dir)
 785             hres = E_OUTOFMEMORY;
 786     }
 787
 788     if(SUCCEEDED(hres) && FileList) {
 789         file_list = heap_strdupWtoA(FileList);
 790         if(!file_list)
 791             hres = E_OUTOFMEMORY;
 792     }
 793
 794     /* cabinet.dll, which does the real job of extracting files, doesn't have UNICODE API,
 795        so we need W->A conversion at some point anyway. */
 796     if(SUCCEEDED(hres))
 797         hres = ExtractFilesA(cab_name, expand_dir, Flags, file_list, LReserved, Reserved);
 798
 799     heap_free(cab_name);
 800     heap_free(expand_dir);
 801     heap_free(file_list);
 802     return hres;
 803 }
 804
 805 /***********************************************************************
 806  *      FileSaveMarkNotExistA (ADVPACK.@)
 807  *
 808  * See FileSaveMarkNotExistW.
 809  */
 810 HRESULT WINAPI FileSaveMarkNotExistA(LPSTR pszFileList, LPSTR pszDir, LPSTR pszBaseName)
 811 {
 812     TRACE("(%s, %s, %s)\n", debugstr_a(pszFileList),
 813           debugstr_a(pszDir), debugstr_a(pszBaseName));
 814
 815     return AddDelBackupEntryA(pszFileList, pszDir, pszBaseName, AADBE_DEL_ENTRY);
 816 }
 817
 818 /***********************************************************************
 819  *      FileSaveMarkNotExistW (ADVPACK.@)
 820  *
 821  * Marks the files in the file list as not existing so they won't be
 822  * backed up during a save.
 823  *
 824  * PARAMS
 825  *   pszFileList [I] NULL-separated list of filenames.
 826  *   pszDir      [I] Path of the backup directory.
 827  *   pszBaseName [I] Basename of the INI file.
 828  *
 829  * RETURNS
 830  *   Success: S_OK.
 831  *   Failure: E_FAIL.
 832  */
 833 HRESULT WINAPI FileSaveMarkNotExistW(LPWSTR pszFileList, LPWSTR pszDir, LPWSTR pszBaseName)
 834 {
 835     TRACE("(%s, %s, %s)\n", debugstr_w(pszFileList),
 836           debugstr_w(pszDir), debugstr_w(pszBaseName));
 837
 838     return AddDelBackupEntryW(pszFileList, pszDir, pszBaseName, AADBE_DEL_ENTRY);
 839 }
 840
 841 /***********************************************************************
 842  *      FileSaveRestoreA (ADVPACK.@)
 843  *
 844  * See FileSaveRestoreW.
 845  */
 846 HRESULT WINAPI FileSaveRestoreA(HWND hDlg, LPSTR pszFileList, LPSTR pszDir,
 847                                 LPSTR pszBaseName, DWORD dwFlags)
 848 {
 849     UNICODE_STRING filelist, dir, basename;
 850     HRESULT hr;
 851
 852     TRACE("(%p, %s, %s, %s, %ld)\n", hDlg, debugstr_a(pszFileList),
 853           debugstr_a(pszDir), debugstr_a(pszBaseName), dwFlags);
 854
 855     RtlCreateUnicodeStringFromAsciiz(&filelist, pszFileList);
 856     RtlCreateUnicodeStringFromAsciiz(&dir, pszDir);
 857     RtlCreateUnicodeStringFromAsciiz(&basename, pszBaseName);
 858
 859     hr = FileSaveRestoreW(hDlg, filelist.Buffer, dir.Buffer,
 860                           basename.Buffer, dwFlags);
 861
 862     RtlFreeUnicodeString(&filelist);
 863     RtlFreeUnicodeString(&dir);
 864     RtlFreeUnicodeString(&basename);
 865
 866     return hr;
 867 }
 868
 869 /***********************************************************************
 870  *      FileSaveRestoreW (ADVPACK.@)
 871  *
 872  * Saves or restores the files in the specified file list.
 873  *
 874  * PARAMS
 875  *   hDlg        [I] Handle to the dialog used for the display.
 876  *   pszFileList [I] NULL-separated list of filenames.
 877  *   pszDir      [I] Path of the backup directory.
 878  *   pszBaseName [I] Basename of the backup files.
 879  *   dwFlags     [I] See advpub.h.
 880  *
 881  * RETURNS
 882  *   Success: S_OK.
 883  *   Failure: E_FAIL.
 884  *
 885  * NOTES
 886  *   If pszFileList is NULL on restore, all files will be restored.
 887  *
 888  * BUGS
 889  *   Unimplemented.
 890  */
 891 HRESULT WINAPI FileSaveRestoreW(HWND hDlg, LPWSTR pszFileList, LPWSTR pszDir,
 892                                 LPWSTR pszBaseName, DWORD dwFlags)
 893 {
 894     FIXME("(%p, %s, %s, %s, %ld) stub\n", hDlg, debugstr_w(pszFileList),
 895           debugstr_w(pszDir), debugstr_w(pszBaseName), dwFlags);
 896
 897     return E_FAIL;
 898 }
 899
 900 /***********************************************************************
 901  *      FileSaveRestoreOnINFA (ADVPACK.@)
 902  *
 903  * See FileSaveRestoreOnINFW.
 904  */
 905 HRESULT WINAPI FileSaveRestoreOnINFA(HWND hWnd, LPCSTR pszTitle, LPCSTR pszINF,
 906                                     LPCSTR pszSection, LPCSTR pszBackupDir,
 907                                     LPCSTR pszBaseBackupFile, DWORD dwFlags)
 908 {
 909     UNICODE_STRING title, inf, section;
 910     UNICODE_STRING backupdir, backupfile;
 911     HRESULT hr;
 912
 913     TRACE("(%p, %s, %s, %s, %s, %s, %ld)\n", hWnd, debugstr_a(pszTitle),
 914           debugstr_a(pszINF), debugstr_a(pszSection), debugstr_a(pszBackupDir),
 915           debugstr_a(pszBaseBackupFile), dwFlags);
 916
 917     RtlCreateUnicodeStringFromAsciiz(&title, pszTitle);
 918     RtlCreateUnicodeStringFromAsciiz(&inf, pszINF);
 919     RtlCreateUnicodeStringFromAsciiz(&section, pszSection);
 920     RtlCreateUnicodeStringFromAsciiz(&backupdir, pszBackupDir);
 921     RtlCreateUnicodeStringFromAsciiz(&backupfile, pszBaseBackupFile);
 922
 923     hr = FileSaveRestoreOnINFW(hWnd, title.Buffer, inf.Buffer, section.Buffer,
 924                                backupdir.Buffer, backupfile.Buffer, dwFlags);
 925
 926     RtlFreeUnicodeString(&title);
 927     RtlFreeUnicodeString(&inf);
 928     RtlFreeUnicodeString(&section);
 929     RtlFreeUnicodeString(&backupdir);
 930     RtlFreeUnicodeString(&backupfile);
 931
 932     return hr;
 933 }
 934
 935 /***********************************************************************
 936  *      FileSaveRestoreOnINFW (ADVPACK.@)
 937  *
 938  *
 939  * PARAMS
 940  *   hWnd              [I] Handle to the window used for the display.
 941  *   pszTitle          [I] Title of the window.
 942  *   pszINF            [I] Fully-qualified INF filename.
 943  *   pszSection        [I] GenInstall INF section name.
 944  *   pszBackupDir      [I] Directory to store the backup file.
 945  *   pszBaseBackupFile [I] Basename of the backup files.
 946  *   dwFlags           [I] See advpub.h
 947  *
 948  * RETURNS
 949  *   Success: S_OK.
 950  *   Failure: E_FAIL.
 951  *
 952  * NOTES
 953  *   If pszSection is NULL, the default section will be used.
 954  *
 955  * BUGS
 956  *   Unimplemented.
 957  */
 958 HRESULT WINAPI FileSaveRestoreOnINFW(HWND hWnd, LPCWSTR pszTitle, LPCWSTR pszINF,
 959                                      LPCWSTR pszSection, LPCWSTR pszBackupDir,
 960                                      LPCWSTR pszBaseBackupFile, DWORD dwFlags)
 961 {
 962     FIXME("(%p, %s, %s, %s, %s, %s, %ld): stub\n", hWnd, debugstr_w(pszTitle),
 963           debugstr_w(pszINF), debugstr_w(pszSection), debugstr_w(pszBackupDir),
 964           debugstr_w(pszBaseBackupFile), dwFlags);
 965
 966     return E_FAIL;
 967 }
 968
 969 /***********************************************************************
 970  *             GetVersionFromFileA     (ADVPACK.@)
 971  *
 972  * See GetVersionFromFileExW.
 973  */
 974 HRESULT WINAPI GetVersionFromFileA(LPCSTR Filename, LPDWORD MajorVer,
 975                                    LPDWORD MinorVer, BOOL Version )
 976 {
 977     TRACE("(%s, %p, %p, %d)\n", debugstr_a(Filename), MajorVer, MinorVer, Version);
 978     return GetVersionFromFileExA(Filename, MajorVer, MinorVer, Version);
 979 }
 980
 981 /***********************************************************************
 982  *             GetVersionFromFileW     (ADVPACK.@)
 983  *
 984  * See GetVersionFromFileExW.
 985  */
 986 HRESULT WINAPI GetVersionFromFileW(LPCWSTR Filename, LPDWORD MajorVer,
 987                                    LPDWORD MinorVer, BOOL Version )
 988 {
 989     TRACE("(%s, %p, %p, %d)\n", debugstr_w(Filename), MajorVer, MinorVer, Version);
 990     return GetVersionFromFileExW(Filename, MajorVer, MinorVer, Version);
 991 }
 992
 993 /* data for GetVersionFromFileEx */
 994 typedef struct tagLANGANDCODEPAGE
 995 {
 996     WORD wLanguage;
 997     WORD wCodePage;
 998 } LANGANDCODEPAGE;
 999
1000 /***********************************************************************
1001  *             GetVersionFromFileExA   (ADVPACK.@)
1002  *
1003  * See GetVersionFromFileExW.
1004  */
1005 HRESULT WINAPI GetVersionFromFileExA(LPCSTR lpszFilename, LPDWORD pdwMSVer,
1006                                      LPDWORD pdwLSVer, BOOL bVersion )
1007 {
1008     UNICODE_STRING filename;
1009     HRESULT res;
1010
1011     TRACE("(%s, %p, %p, %d)\n", debugstr_a(lpszFilename),
1012           pdwMSVer, pdwLSVer, bVersion);
1013
1014     RtlCreateUnicodeStringFromAsciiz(&filename, lpszFilename);
1015
1016     res = GetVersionFromFileExW(filename.Buffer, pdwMSVer, pdwLSVer, bVersion);
1017
1018     RtlFreeUnicodeString(&filename);
1019
1020     return res;
1021 }
1022
1023 /***********************************************************************
1024  *             GetVersionFromFileExW   (ADVPACK.@)
1025  *
1026  * Gets the files version or language information.
1027  *
1028  * PARAMS
1029  *   lpszFilename [I] The file to get the info from.
1030  *   pdwMSVer     [O] Major version.
1031  *   pdwLSVer     [O] Minor version.
1032  *   bVersion     [I] Whether to retrieve version or language info.
1033  *
1034  * RETURNS
1035  *   Always returns S_OK.
1036  *
1037  * NOTES
1038  *   If bVersion is TRUE, version information is retrieved, else
1039  *   pdwMSVer gets the language ID and pdwLSVer gets the codepage ID.
1040  */
1041 HRESULT WINAPI GetVersionFromFileExW(LPCWSTR lpszFilename, LPDWORD pdwMSVer,
1042                                      LPDWORD pdwLSVer, BOOL bVersion )
1043 {
1044     VS_FIXEDFILEINFO *pFixedVersionInfo;
1045     LANGANDCODEPAGE *pLangAndCodePage;
1046     DWORD dwHandle, dwInfoSize;
1047     WCHAR szWinDir[MAX_PATH];
1048     WCHAR szFile[MAX_PATH];
1049     LPVOID pVersionInfo = NULL;
1050     BOOL bFileCopied = FALSE;
1051     UINT uValueLen;
1052
1053     TRACE("(%s, %p, %p, %d)\n", debugstr_w(lpszFilename),
1054           pdwMSVer, pdwLSVer, bVersion);
1055
1056     *pdwLSVer = 0;
1057     *pdwMSVer = 0;
1058
1059     lstrcpynW(szFile, lpszFilename, MAX_PATH);
1060
1061     dwInfoSize = GetFileVersionInfoSizeW(szFile, &dwHandle);
1062     if (!dwInfoSize)
1063     {
1064         /* check that the file exists */
1065         if (GetFileAttributesW(szFile) == INVALID_FILE_ATTRIBUTES)
1066             return S_OK;
1067
1068         /* file exists, but won't be found by GetFileVersionInfoSize,
1069         * so copy it to the temp dir where it will be found.
1070         */
1071         GetWindowsDirectoryW(szWinDir, MAX_PATH);
1072         GetTempFileNameW(szWinDir, NULL, 0, szFile);
1073         CopyFileW(lpszFilename, szFile, FALSE);
1074         bFileCopied = TRUE;
1075
1076         dwInfoSize = GetFileVersionInfoSizeW(szFile, &dwHandle);
1077         if (!dwInfoSize)
1078             goto done;
1079     }
1080
1081     pVersionInfo = HeapAlloc(GetProcessHeap(), 0, dwInfoSize);
1082     if (!pVersionInfo)
1083         goto done;
1084
1085     if (!GetFileVersionInfoW(szFile, dwHandle, dwInfoSize, pVersionInfo))
1086         goto done;
1087
1088     if (bVersion)
1089     {
1090         if (!VerQueryValueW(pVersionInfo, L"\\", (void **)&pFixedVersionInfo, &uValueLen))
1091             goto done;
1092
1093         if (!uValueLen)
1094             goto done;
1095
1096         *pdwMSVer = pFixedVersionInfo->dwFileVersionMS;
1097         *pdwLSVer = pFixedVersionInfo->dwFileVersionLS;
1098     }
1099     else
1100     {
1101         if (!VerQueryValueW(pVersionInfo, L"\\VarFileInfo\\Translation",
1102              (LPVOID *)&pLangAndCodePage, &uValueLen))
1103             goto done;
1104
1105         if (!uValueLen)
1106             goto done;
1107
1108         *pdwMSVer = pLangAndCodePage->wLanguage;
1109         *pdwLSVer = pLangAndCodePage->wCodePage;
1110     }
1111
1112 done:
1113     HeapFree(GetProcessHeap(), 0, pVersionInfo);
1114
1115     if (bFileCopied)
1116         DeleteFileW(szFile);
1117
1118     return S_OK;
1119 }