dlls/dinput8/regsvr.c

   1 /*
   2  *      self-registerable dll functions for dinput8.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 "dinput.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  37
  38 /*
  39  * Near the bottom of this file are the exported DllRegisterServer and
  40  * DllUnregisterServer, which make all this worthwhile.
  41  */
  42
  43 /***********************************************************************
  44  *              interface for self-registering
  45  */
  46
  47 struct regsvr_coclass
  48 {
  49     CLSID const *clsid;         /* NULL for end of list */
  50     LPCSTR name;                /* can be NULL to omit */
  51     LPCSTR ips;                 /* can be NULL to omit */
  52     LPCSTR ips32;               /* can be NULL to omit */
  53     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  54     LPCSTR clsid_str;           /* can be NULL to omit */
  55     LPCSTR progid;              /* can be NULL to omit */
  56 };
  57
  58 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  59 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  60
  61 /***********************************************************************
  62  *              static string constants
  63  */
  64 static WCHAR const interface_keyname[10] = {
  65     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  66 static WCHAR const base_ifa_keyname[14] = {
  67     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  68     'e', 0 };
  69 static WCHAR const num_methods_keyname[11] = {
  70     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  71 static WCHAR const ps_clsid_keyname[15] = {
  72     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  73     'i', 'd', 0 };
  74 static WCHAR const ps_clsid32_keyname[17] = {
  75     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  76     'i', 'd', '3', '2', 0 };
  77 static WCHAR const clsid_keyname[6] = {
  78     'C', 'L', 'S', 'I', 'D', 0 };
  79 static WCHAR const ips_keyname[13] = {
  80     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  81     0 };
  82 static WCHAR const ips32_keyname[15] = {
  83     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  84     '3', '2', 0 };
  85 static WCHAR const progid_keyname[7] = {
  86     'P', 'r', 'o', 'g', 'I', 'D', 0 };
  87 static char const tmodel_valuename[] = "ThreadingModel";
  88
  89 /***********************************************************************
  90  *              static helper functions
  91  */
  92 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
  93                                    WCHAR const *value);
  94 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
  95                                    char const *value);
  96 static LONG recursive_delete_key(HKEY key);
  97 static LONG recursive_delete_keyA(HKEY base, char const *name);
  98 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name);
  99
 100 /***********************************************************************
 101  *              register_coclasses
 102  */
 103 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 104 {
 105     LONG res = ERROR_SUCCESS;
 106     HKEY coclass_key;
 107
 108     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 109                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 110     if (res != ERROR_SUCCESS) goto error_return;
 111
 112     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 113         WCHAR buf[39];
 114         HKEY clsid_key;
 115
 116         StringFromGUID2(list->clsid, buf, 39);
 117         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 118                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 119         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 120
 121         if (list->name) {
 122             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 123                                  (CONST BYTE*)(list->name),
 124                                  strlen(list->name) + 1);
 125             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 126         }
 127
 128         if (list->ips) {
 129             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 130             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 131         }
 132
 133         if (list->ips32) {
 134             HKEY ips32_key;
 135
 136             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 137                                   KEY_READ | KEY_WRITE, NULL,
 138                                   &ips32_key, NULL);
 139             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 140
 141             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 142                                  (CONST BYTE*)list->ips32,
 143                                  lstrlenA(list->ips32) + 1);
 144             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 145                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 146                                      (CONST BYTE*)list->ips32_tmodel,
 147                                      strlen(list->ips32_tmodel) + 1);
 148             RegCloseKey(ips32_key);
 149             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 150         }
 151
 152         if (list->clsid_str) {
 153             res = register_key_defvalueA(clsid_key, clsid_keyname,
 154                                          list->clsid_str);
 155             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 156         }
 157
 158         if (list->progid) {
 159             HKEY progid_key;
 160
 161             res = register_key_defvalueA(clsid_key, progid_keyname,
 162                                          list->progid);
 163             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 164
 165             res = RegCreateKeyExA(HKEY_CLASSES_ROOT, list->progid, 0,
 166                                   NULL, 0, KEY_READ | KEY_WRITE, NULL,
 167                                   &progid_key, NULL);
 168             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 169
 170             res = register_key_defvalueW(progid_key, clsid_keyname, buf);
 171             RegCloseKey(progid_key);
 172             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 173         }
 174
 175     error_close_clsid_key:
 176         RegCloseKey(clsid_key);
 177     }
 178
 179 error_close_coclass_key:
 180     RegCloseKey(coclass_key);
 181 error_return:
 182     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 183 }
 184
 185 /***********************************************************************
 186  *              unregister_coclasses
 187  */
 188 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 189 {
 190     LONG res = ERROR_SUCCESS;
 191     HKEY coclass_key;
 192
 193     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 194                         KEY_READ | KEY_WRITE, &coclass_key);
 195     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 196     if (res != ERROR_SUCCESS) goto error_return;
 197
 198     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 199         WCHAR buf[39];
 200
 201         StringFromGUID2(list->clsid, buf, 39);
 202         res = recursive_delete_keyW(coclass_key, buf);
 203         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 204
 205         if (list->progid) {
 206             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
 207             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 208         }
 209     }
 210
 211 error_close_coclass_key:
 212     RegCloseKey(coclass_key);
 213 error_return:
 214     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 215 }
 216
 217 /***********************************************************************
 218  *              regsvr_key_defvalueW
 219  */
 220 static LONG register_key_defvalueW(
 221     HKEY base,
 222     WCHAR const *name,
 223     WCHAR const *value)
 224 {
 225     LONG res;
 226     HKEY key;
 227
 228     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 229                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 230     if (res != ERROR_SUCCESS) return res;
 231     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 232                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 233     RegCloseKey(key);
 234     return res;
 235 }
 236
 237 /***********************************************************************
 238  *              regsvr_key_defvalueA
 239  */
 240 static LONG register_key_defvalueA(
 241     HKEY base,
 242     WCHAR const *name,
 243     char const *value)
 244 {
 245     LONG res;
 246     HKEY key;
 247
 248     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 249                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 250     if (res != ERROR_SUCCESS) return res;
 251     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 252                          lstrlenA(value) + 1);
 253     RegCloseKey(key);
 254     return res;
 255 }
 256
 257 /***********************************************************************
 258  *              recursive_delete_key
 259  */
 260 static LONG recursive_delete_key(HKEY key)
 261 {
 262     LONG res;
 263     WCHAR subkey_name[MAX_PATH];
 264     DWORD cName;
 265     HKEY subkey;
 266
 267     for (;;) {
 268         cName = sizeof(subkey_name) / sizeof(WCHAR);
 269         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 270                             NULL, NULL, NULL, NULL);
 271         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 272             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 273             break;
 274         }
 275         res = RegOpenKeyExW(key, subkey_name, 0,
 276                             KEY_READ | KEY_WRITE, &subkey);
 277         if (res == ERROR_FILE_NOT_FOUND) continue;
 278         if (res != ERROR_SUCCESS) break;
 279
 280         res = recursive_delete_key(subkey);
 281         RegCloseKey(subkey);
 282         if (res != ERROR_SUCCESS) break;
 283     }
 284
 285     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 286     return res;
 287 }
 288
 289 /***********************************************************************
 290  *              recursive_delete_keyA
 291  */
 292 static LONG recursive_delete_keyA(HKEY base, char const *name)
 293 {
 294     LONG res;
 295     HKEY key;
 296
 297     res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
 298     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 299     if (res != ERROR_SUCCESS) return res;
 300     res = recursive_delete_key(key);
 301     RegCloseKey(key);
 302     return res;
 303 }
 304
 305 /***********************************************************************
 306  *              recursive_delete_keyW
 307  */
 308 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name)
 309 {
 310     LONG res;
 311     HKEY key;
 312
 313     res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
 314     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 315     if (res != ERROR_SUCCESS) return res;
 316     res = recursive_delete_key(key);
 317     RegCloseKey(key);
 318     return res;
 319 }
 320
 321 /***********************************************************************
 322  *              coclass list
 323  */
 324
 325 static struct regsvr_coclass const coclass_list[] = {
 326     {   &CLSID_DirectInput8,
 327         "DirectInput8 Object",
 328         NULL,
 329         "dinput8.dll",
 330         "Both"
 331     },
 332     { NULL }                    /* list terminator */
 333 };
 334
 335 /***********************************************************************
 336  *              DllRegisterServer (DINPUT8.@)
 337  */
 338 HRESULT WINAPI DllRegisterServer(void)
 339 {
 340     HRESULT hr;
 341
 342     TRACE("\n");
 343
 344     hr = register_coclasses(coclass_list);
 345     return hr;
 346 }
 347
 348 /***********************************************************************
 349  *              DllUnregisterServer (DINPUT8.@)
 350  */
 351 HRESULT WINAPI DllUnregisterServer(void)
 352 {
 353     HRESULT hr;
 354
 355     TRACE("\n");
 356
 357     hr = unregister_coclasses(coclass_list);
 358     return hr;
 359 }