dlls/ddrawex/regsvr.c

   1 /*
   2  *      self-registerable dll functions for ddrawex.dll
   3  *
   4  * Copyright (C) 2003 John K. Hohm
   5  * Copyright (C) 2007 Francois Gouget for CodeWeavers
   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 #include <string.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winreg.h"
  28 #include "wingdi.h"
  29 #include "winuser.h"
  30 #include "winerror.h"
  31
  32 #include "ddraw.h"
  33 #include "ddrawex_private.h"
  34
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  38
  39 /*
  40  * Near the bottom of this file are the exported DllRegisterServer and
  41  * DllUnregisterServer, which make all this worthwhile.
  42  */
  43
  44 /***********************************************************************
  45  *              interface for self-registering
  46  */
  47
  48 struct regsvr_coclass
  49 {
  50     CLSID const *clsid;         /* NULL for end of list */
  51     LPCSTR name;                /* can be NULL to omit */
  52     LPCSTR ips;                 /* can be NULL to omit */
  53     LPCSTR ips32;               /* can be NULL to omit */
  54     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  55     LPCSTR clsid_str;           /* can be NULL to omit */
  56     LPCSTR progid;              /* can be NULL to omit */
  57 };
  58
  59 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  60 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  61
  62 /***********************************************************************
  63  *              static string constants
  64  */
  65 static WCHAR const interface_keyname[10] = {
  66     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  67 static WCHAR const base_ifa_keyname[14] = {
  68     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  69     'e', 0 };
  70 static WCHAR const num_methods_keyname[11] = {
  71     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  72 static WCHAR const ps_clsid_keyname[15] = {
  73     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  74     'i', 'd', 0 };
  75 static WCHAR const ps_clsid32_keyname[17] = {
  76     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  77     'i', 'd', '3', '2', 0 };
  78 static WCHAR const clsid_keyname[6] = {
  79     'C', 'L', 'S', 'I', 'D', 0 };
  80 static WCHAR const ips_keyname[13] = {
  81     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  82     0 };
  83 static WCHAR const ips32_keyname[15] = {
  84     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  85     '3', '2', 0 };
  86 static WCHAR const progid_keyname[7] = {
  87     'P', 'r', 'o', 'g', 'I', 'D', 0 };
  88 static char const tmodel_valuename[] = "ThreadingModel";
  89
  90 /***********************************************************************
  91  *              static helper functions
  92  */
  93 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
  94                                    WCHAR const *value);
  95 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
  96                                    char const *value);
  97 static LONG recursive_delete_key(HKEY key);
  98 static LONG recursive_delete_keyA(HKEY base, char const *name);
  99 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name);
 100
 101 /***********************************************************************
 102  *              register_coclasses
 103  */
 104 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 105 {
 106     LONG res = ERROR_SUCCESS;
 107     HKEY coclass_key;
 108
 109     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 110                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 111     if (res != ERROR_SUCCESS) goto error_return;
 112
 113     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 114         WCHAR buf[39];
 115         HKEY clsid_key;
 116
 117         StringFromGUID2(list->clsid, buf, 39);
 118         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 119                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 120         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 121
 122         if (list->name) {
 123             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 124                                  (CONST BYTE*)(list->name),
 125                                  strlen(list->name) + 1);
 126             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 127         }
 128
 129         if (list->ips) {
 130             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 131             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 132         }
 133
 134         if (list->ips32) {
 135             HKEY ips32_key;
 136
 137             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 138                                   KEY_READ | KEY_WRITE, NULL,
 139                                   &ips32_key, NULL);
 140             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 141
 142             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 143                                  (CONST BYTE*)list->ips32,
 144                                  lstrlenA(list->ips32) + 1);
 145             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 146                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 147                                      (CONST BYTE*)list->ips32_tmodel,
 148                                      strlen(list->ips32_tmodel) + 1);
 149             RegCloseKey(ips32_key);
 150             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 151         }
 152
 153         if (list->clsid_str) {
 154             res = register_key_defvalueA(clsid_key, clsid_keyname,
 155                                          list->clsid_str);
 156             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 157         }
 158
 159         if (list->progid) {
 160             HKEY progid_key;
 161
 162             res = register_key_defvalueA(clsid_key, progid_keyname,
 163                                          list->progid);
 164             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 165
 166             res = RegCreateKeyExA(HKEY_CLASSES_ROOT, list->progid, 0,
 167                                   NULL, 0, KEY_READ | KEY_WRITE, NULL,
 168                                   &progid_key, NULL);
 169             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 170
 171             res = register_key_defvalueW(progid_key, clsid_keyname, buf);
 172             RegCloseKey(progid_key);
 173             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 174         }
 175
 176     error_close_clsid_key:
 177         RegCloseKey(clsid_key);
 178     }
 179
 180 error_close_coclass_key:
 181     RegCloseKey(coclass_key);
 182 error_return:
 183     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 184 }
 185
 186 /***********************************************************************
 187  *              unregister_coclasses
 188  */
 189 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 190 {
 191     LONG res = ERROR_SUCCESS;
 192     HKEY coclass_key;
 193
 194     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 195                         KEY_READ | KEY_WRITE, &coclass_key);
 196     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 197     if (res != ERROR_SUCCESS) goto error_return;
 198
 199     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 200         WCHAR buf[39];
 201
 202         StringFromGUID2(list->clsid, buf, 39);
 203         res = recursive_delete_keyW(coclass_key, buf);
 204         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 205
 206         if (list->progid) {
 207             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
 208             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 209         }
 210     }
 211
 212 error_close_coclass_key:
 213     RegCloseKey(coclass_key);
 214 error_return:
 215     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 216 }
 217
 218 /***********************************************************************
 219  *              regsvr_key_defvalueW
 220  */
 221 static LONG register_key_defvalueW(
 222     HKEY base,
 223     WCHAR const *name,
 224     WCHAR const *value)
 225 {
 226     LONG res;
 227     HKEY key;
 228
 229     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 230                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 231     if (res != ERROR_SUCCESS) return res;
 232     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 233                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 234     RegCloseKey(key);
 235     return res;
 236 }
 237
 238 /***********************************************************************
 239  *              regsvr_key_defvalueA
 240  */
 241 static LONG register_key_defvalueA(
 242     HKEY base,
 243     WCHAR const *name,
 244     char const *value)
 245 {
 246     LONG res;
 247     HKEY key;
 248
 249     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 250                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 251     if (res != ERROR_SUCCESS) return res;
 252     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 253                          lstrlenA(value) + 1);
 254     RegCloseKey(key);
 255     return res;
 256 }
 257
 258 /***********************************************************************
 259  *              recursive_delete_key
 260  */
 261 static LONG recursive_delete_key(HKEY key)
 262 {
 263     LONG res;
 264     WCHAR subkey_name[MAX_PATH];
 265     DWORD cName;
 266     HKEY subkey;
 267
 268     for (;;) {
 269         cName = sizeof(subkey_name) / sizeof(WCHAR);
 270         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 271                             NULL, NULL, NULL, NULL);
 272         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 273             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 274             break;
 275         }
 276         res = RegOpenKeyExW(key, subkey_name, 0,
 277                             KEY_READ | KEY_WRITE, &subkey);
 278         if (res == ERROR_FILE_NOT_FOUND) continue;
 279         if (res != ERROR_SUCCESS) break;
 280
 281         res = recursive_delete_key(subkey);
 282         RegCloseKey(subkey);
 283         if (res != ERROR_SUCCESS) break;
 284     }
 285
 286     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 287     return res;
 288 }
 289
 290 /***********************************************************************
 291  *              recursive_delete_keyA
 292  */
 293 static LONG recursive_delete_keyA(HKEY base, char const *name)
 294 {
 295     LONG res;
 296     HKEY key;
 297
 298     res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
 299     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 300     if (res != ERROR_SUCCESS) return res;
 301     res = recursive_delete_key(key);
 302     RegCloseKey(key);
 303     return res;
 304 }
 305
 306 /***********************************************************************
 307  *              recursive_delete_keyW
 308  */
 309 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name)
 310 {
 311     LONG res;
 312     HKEY key;
 313
 314     res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
 315     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 316     if (res != ERROR_SUCCESS) return res;
 317     res = recursive_delete_key(key);
 318     RegCloseKey(key);
 319     return res;
 320 }
 321
 322 /***********************************************************************
 323  *              coclass list
 324  */
 325
 326 static struct regsvr_coclass const coclass_list[] = {
 327     {   &CLSID_DirectDrawFactory,
 328         NULL,
 329         NULL,
 330         "ddrawex.dll",
 331         "Both"
 332     },
 333     { NULL }                    /* list terminator */
 334 };
 335
 336 /***********************************************************************
 337  *              DllRegisterServer (DDRAWEX.@)
 338  */
 339 HRESULT WINAPI DllRegisterServer(void)
 340 {
 341     HRESULT hr;
 342
 343     TRACE("\n");
 344
 345     hr = register_coclasses(coclass_list);
 346     return hr;
 347 }
 348
 349 /***********************************************************************
 350  *              DllUnregisterServer (DDRAWEX.@)
 351  */
 352 HRESULT WINAPI DllUnregisterServer(void)
 353 {
 354     HRESULT hr;
 355
 356     TRACE("\n");
 357
 358     hr = unregister_coclasses(coclass_list);
 359     return hr;
 360 }