dlls/cabinet/cabinet_main.c

   1 /*
   2  * cabinet.dll main
   3  *
   4  * Copyright 2002 Patrik Stridvall
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <stdarg.h>
  25 #include <string.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winerror.h"
  30 #define NO_SHLWAPI_REG
  31 #include "shlwapi.h"
  32 #undef NO_SHLWAPI_REG
  33
  34 #include "cabinet.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(cabinet);
  39
  40 /***********************************************************************
  41  * DllGetVersion (CABINET.2)
  42  *
  43  * Retrieves version information of the 'CABINET.DLL'
  44  *
  45  * PARAMS
  46  *     pdvi [O] pointer to version information structure.
  47  *
  48  * RETURNS
  49  *     Success: S_OK
  50  *     Failure: E_INVALIDARG
  51  *
  52  * NOTES
  53  *     Supposedly returns version from IE6SP1RP1
  54  */
  55 HRESULT WINAPI CABINET_DllGetVersion (DLLVERSIONINFO *pdvi)
  56 {
  57   WARN("hmmm... not right version number \"5.1.1106.1\"?\n");
  58
  59   if (pdvi->cbSize != sizeof(DLLVERSIONINFO)) return E_INVALIDARG;
  60
  61   pdvi->dwMajorVersion = 5;
  62   pdvi->dwMinorVersion = 1;
  63   pdvi->dwBuildNumber = 1106;
  64   pdvi->dwPlatformID = 1;
  65
  66   return S_OK;
  67 }
  68
  69 /***********************************************************************
  70  * Extract (CABINET.3)
  71  *
  72  * Apparently an undocumented function, presumably to extract a CAB file
  73  * to somewhere...
  74  *
  75  * PARAMS
  76  *   dest         pointer to a buffer of 0x32c bytes containing
  77  *           [I]  - number with value 1 at index 0x18
  78  *                - the dest path starting at index 0x1c
  79  *           [O]  - a linked list with the filename existing inside the
  80  *                  CAB file at idx 0x10
  81  *                - the number of files inside the CAB file at index 0x14
  82  *                - the name of the last file with dest path at idx 0x120
  83  *   what    [I]  char* describing what to uncompress, I guess.
  84  *
  85  * RETURNS
  86  *     Success: S_OK
  87  *     Failure: E_OUTOFMEMORY (?)
  88  */
  89 HRESULT WINAPI Extract(EXTRACTdest *dest, LPCSTR what)
  90 {
  91 #define DUMPC(idx)      idx >= sizeof(EXTRACTdest) ? ' ' : \
  92                         ptr[idx] >= 0x20 ? ptr[idx] : '.'
  93
  94 #define DUMPH(idx)      idx >= sizeof(EXTRACTdest) ? 0x55 : ptr[idx]
  95
  96   LPSTR dir;
  97   unsigned char *ptr = (unsigned char*) dest;
  98   unsigned int i;
  99
 100   TRACE("(dest == %0lx, what == %s)\n", (long) dest, debugstr_a(what));
 101
 102   if (!dest) {
 103     /* win2k will crash here */
 104     FIXME("called without valid parameter dest!\n");
 105     return E_OUTOFMEMORY;
 106   }
 107   for (i=0; i < sizeof(EXTRACTdest); i+=8)
 108     TRACE( "dest[%04x]:%02x %02x %02x %02x %02x %02x %02x %02x %c%c%c%c%c%c%c%c\n",
 109            i,
 110            DUMPH(i+0), DUMPH(i+1), DUMPH(i+2), DUMPH(i+3),
 111            DUMPH(i+4), DUMPH(i+5), DUMPH(i+6), DUMPH(i+7),
 112            DUMPC(i+0), DUMPC(i+1), DUMPC(i+2), DUMPC(i+3),
 113            DUMPC(i+4), DUMPC(i+5), DUMPC(i+6), DUMPC(i+7));
 114
 115   dir = LocalAlloc(LPTR, strlen(dest->directory)+1);
 116   if (!dir) return E_OUTOFMEMORY;
 117   lstrcpyA(dir, dest->directory);
 118   dest->filecount=0;
 119   dest->filelist = NULL;
 120
 121   TRACE("extracting to dir: %s\n", debugstr_a(dir));
 122
 123   /* FIXME: what to do on failure? */
 124   if (!process_cabinet(what, dir, FALSE, FALSE, dest))
 125     return E_OUTOFMEMORY;
 126
 127   LocalFree(dir);
 128
 129   TRACE("filecount %08lx,lastfile %s\n",
 130          dest->filecount, debugstr_a(dest->lastfile));
 131
 132   return S_OK;
 133 }