dlls/spoolss/spoolss_main.c

   1 /*
   2  * Implementation of the Spooler-Service helper DLL
   3  *
   4  * Copyright 2006 Detlef Riekenberg
   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
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winerror.h"
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(spoolss);
  29
  30 /* ################################ */
  31
  32 static HMODULE hwinspool;
  33 static const WCHAR winspooldrvW[] = {'w','i','n','s','p','o','o','l','.','d','r','v',0};
  34
  35 /******************************************************************
  36  *
  37  */
  38 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  39 {
  40     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  41
  42     switch (fdwReason) {
  43         case DLL_WINE_PREATTACH:
  44             return FALSE;  /* prefer native version */
  45         case DLL_PROCESS_ATTACH: {
  46             DisableThreadLibraryCalls(hinstDLL);
  47             break;
  48         }
  49     }
  50     return TRUE;
  51 }
  52
  53 /******************************************************************
  54  *   AllocSplStr   [SPOOLSS.@]
  55  *
  56  * Create a copy from the String on the Spooler-Heap
  57  *
  58  * PARAMS
  59  *  pwstr [I] PTR to the String to copy
  60  *
  61  * RETURNS
  62  *  Failure: NULL
  63  *  Success: PTR to the copied String
  64  *
  65  */
  66 LPWSTR WINAPI AllocSplStr(LPCWSTR pwstr)
  67 {
  68     LPWSTR  res = NULL;
  69     DWORD   len;
  70
  71     TRACE("(%s)\n", debugstr_w(pwstr));
  72     if (!pwstr) return NULL;
  73
  74     len = (lstrlenW(pwstr) + 1) * sizeof(WCHAR);
  75     res = HeapAlloc(GetProcessHeap(), 0, len);
  76     if (res) lstrcpyW(res, pwstr);
  77
  78     TRACE("returning %p\n", res);
  79     return res;
  80 }
  81
  82 /******************************************************************
  83  *   DllAllocSplMem   [SPOOLSS.@]
  84  *
  85  * Allocate cleared memory from the spooler heap
  86  *
  87  * PARAMS
  88  *  size [I] Number of bytes to allocate
  89  *
  90  * RETURNS
  91  *  Failure: NULL
  92  *  Success: PTR to the allocated memory
  93  *
  94  * NOTES
  95  *  We use the process heap (Windows use a separate spooler heap)
  96  *
  97  */
  98 LPVOID WINAPI DllAllocSplMem(DWORD size)
  99 {
 100     LPVOID  res;
 101
 102     res = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
 103     TRACE("(%d) => %p\n", size, res);
 104     return res;
 105 }
 106
 107 /******************************************************************
 108  *   DllFreeSplMem   [SPOOLSS.@]
 109  *
 110  * Free the allocated spooler memory
 111  *
 112  * PARAMS
 113  *  memory [I] PTR to the memory allocated by DllAllocSplMem
 114  *
 115  * RETURNS
 116  *  Failure: FALSE
 117  *  Success: TRUE
 118  *
 119  * NOTES
 120  *  We use the process heap (Windows use a separate spooler heap)
 121  *
 122  */
 123
 124 BOOL WINAPI DllFreeSplMem(LPBYTE memory)
 125 {
 126     TRACE("(%p)\n", memory);
 127     return HeapFree(GetProcessHeap(), 0, memory);
 128 }
 129
 130 /******************************************************************
 131  *   DllFreeSplStr   [SPOOLSS.@]
 132  *
 133  * Free the allocated Spooler-String
 134  *
 135  * PARAMS
 136  *  pwstr [I] PTR to the WSTR, allocated by AllocSplStr
 137  *
 138  * RETURNS
 139  *  Failure: FALSE
 140  *  Success: TRUE
 141  *
 142  */
 143
 144 BOOL WINAPI DllFreeSplStr(LPWSTR pwstr)
 145 {
 146     TRACE("(%s) PTR: %p\n", debugstr_w(pwstr), pwstr);
 147     return HeapFree(GetProcessHeap(), 0, pwstr);
 148 }
 149
 150
 151 /******************************************************************
 152  *   ImpersonatePrinterClient   [SPOOLSS.@]
 153  */
 154 BOOL WINAPI ImpersonatePrinterClient(HANDLE hToken)
 155 {
 156     FIXME("(%p) stub\n", hToken);
 157     return TRUE;
 158 }
 159
 160 /******************************************************************
 161  *   RevertToPrinterSelf   [SPOOLSS.@]
 162  */
 163 HANDLE WINAPI RevertToPrinterSelf(void)
 164 {
 165     FIXME("() stub\n");
 166     return NULL;
 167 }
 168
 169 /******************************************************************
 170  *   SplInitializeWinSpoolDrv   [SPOOLSS.@]
 171  *
 172  * Dynamic load "winspool.drv" and fill an array with some function-pointer
 173  *
 174  * PARAMS
 175  *  table  [I] array of function-pointer to fill
 176  *
 177  * RETURNS
 178  *  Success: TRUE
 179  *  Failure: FALSE
 180  *
 181  * NOTES
 182  *  Native "spoolss.dll" from w2k fill the table with 11 Function-Pointer.
 183  *  We implement the XP-Version (The table has only 9 Pointer)
 184  *
 185  */
 186 BOOL WINAPI SplInitializeWinSpoolDrv(LPVOID * table)
 187 {
 188     DWORD res;
 189
 190     TRACE("(%p)\n", table);
 191
 192     hwinspool = LoadLibraryW(winspooldrvW);
 193     if (!hwinspool) return FALSE;
 194
 195     table[0] = (void *) GetProcAddress(hwinspool, "OpenPrinterW");
 196     table[1] = (void *) GetProcAddress(hwinspool, "ClosePrinter");
 197     table[2] = (void *) GetProcAddress(hwinspool, "SpoolerDevQueryPrintW");
 198     table[3] = (void *) GetProcAddress(hwinspool, "SpoolerPrinterEvent");
 199     table[4] = (void *) GetProcAddress(hwinspool, "DocumentPropertiesW");
 200     table[5] = (void *) GetProcAddress(hwinspool, (LPSTR) 212);  /* LoadPrinterDriver */
 201     table[6] = (void *) GetProcAddress(hwinspool, (LPSTR) 213);  /* RefCntLoadDriver */
 202     table[7] = (void *) GetProcAddress(hwinspool, (LPSTR) 214);  /* RefCntUnloadDriver */
 203     table[8] = (void *) GetProcAddress(hwinspool, (LPSTR) 215);  /* ForceUnloadDriver */
 204
 205     for (res = 0; res < 9; res++) {
 206         if (table[res] == NULL) return FALSE;
 207     }
 208
 209     return TRUE;
 210
 211 }
 212
 213 /******************************************************************
 214  *   SplIsUpgrade   [SPOOLSS.@]
 215  */
 216 BOOL WINAPI SplIsUpgrade(void)
 217 {
 218     FIXME("() stub\n");
 219     return FALSE;
 220 }