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