reactos/lib/shell32/regsvr.c

   1 /*
   2  *      self-registerable dll functions for shell32.dll
   3 *
   4  * Copyright (C) 2003 John K. Hohm
   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 <stdarg.h>
  22 #include <string.h>
  23 #include <stdio.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "winreg.h"
  29 #include "winerror.h"
  30
  31 #include "ole2.h"
  32 #include "shlguid.h"
  33 #include "shell32_main.h"
  34 #include "shfldr.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  39
  40 /*
  41  * Near the bottom of this file are the exported DllRegisterServer and
  42  * DllUnregisterServer, which make all this worthwhile.
  43  */
  44
  45 /***********************************************************************
  46  *              interface for self-registering
  47  */
  48 struct regsvr_interface
  49 {
  50     IID const *iid;             /* NULL for end of list */
  51     LPCSTR name;                /* can be NULL to omit */
  52     IID const *base_iid;        /* can be NULL to omit */
  53     int num_methods;            /* can be <0 to omit */
  54     CLSID const *ps_clsid;      /* can be NULL to omit */
  55     CLSID const *ps_clsid32;    /* can be NULL to omit */
  56 };
  57
  58 static HRESULT register_interfaces(struct regsvr_interface const *list);
  59 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  60
  61 struct regsvr_coclass
  62 {
  63     CLSID const *clsid;         /* NULL for end of list */
  64     LPCSTR name;                /* can be NULL to omit */
  65     LPCSTR ips;                 /* can be NULL to omit */
  66     LPCSTR ips32;               /* can be NULL to omit */
  67     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  68     DWORD flags;
  69     DWORD dwAttributes;
  70     DWORD dwCallForAttributes;
  71     LPCSTR clsid_str;           /* can be NULL to omit */
  72     LPCSTR progid;              /* can be NULL to omit */
  73 };
  74
  75 /* flags for regsvr_coclass.flags */
  76 #define SHELLEX_MAYCHANGEDEFAULTMENU  0x00000001
  77 #define SHELLFOLDER_WANTSFORPARSING   0x00000002
  78 #define SHELLFOLDER_ATTRIBUTES        0x00000004
  79 #define SHELLFOLDER_CALLFORATTRIBUTES 0x00000008
  80
  81 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  82 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  83
  84 struct regsvr_namespace
  85 {
  86     CLSID const *clsid; /* CLSID of the namespace extension. NULL for end of list */
  87     LPCWSTR parent;     /* Mount point (MyComputer, Desktop, ..). */
  88     LPCWSTR value;      /* Display name of the extension. */
  89 };
  90
  91 static HRESULT register_namespace_extensions(struct regsvr_namespace const *list);
  92 static HRESULT unregister_namespace_extensions(struct regsvr_namespace const *list);
  93
  94 /***********************************************************************
  95  *              static string constants
  96  */
  97 static WCHAR const interface_keyname[10] = {
  98     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  99 static WCHAR const base_ifa_keyname[14] = {
 100     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
 101     'e', 0 };
 102 static WCHAR const num_methods_keyname[11] = {
 103     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
 104 static WCHAR const ps_clsid_keyname[15] = {
 105     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 106     'i', 'd', 0 };
 107 static WCHAR const ps_clsid32_keyname[17] = {
 108     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 109     'i', 'd', '3', '2', 0 };
 110 static WCHAR const clsid_keyname[6] = {
 111     'C', 'L', 'S', 'I', 'D', 0 };
 112 static WCHAR const ips_keyname[13] = {
 113     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 114     0 };
 115 static WCHAR const ips32_keyname[15] = {
 116     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 117     '3', '2', 0 };
 118 static WCHAR const progid_keyname[7] = {
 119     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 120 static WCHAR const shellex_keyname[8] = {
 121     's', 'h', 'e', 'l', 'l', 'e', 'x', 0 };
 122 static WCHAR const shellfolder_keyname[12] = {
 123     'S', 'h', 'e', 'l', 'l', 'F', 'o', 'l', 'd', 'e', 'r', 0 };
 124 static WCHAR const mcdm_keyname[21] = {
 125     'M', 'a', 'y', 'C', 'h', 'a', 'n', 'g', 'e', 'D', 'e', 'f',
 126     'a', 'u', 'l', 't', 'M', 'e', 'n', 'u', 0 };
 127 static char const tmodel_valuename[] = "ThreadingModel";
 128 static char const wfparsing_valuename[] = "WantsFORPARSING";
 129 static char const attributes_valuename[] = "Attributes";
 130 static char const cfattributes_valuename[] = "CallForAttributes";
 131
 132 /***********************************************************************
 133  *              static helper functions
 134  */
 135 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 136 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 137                                    WCHAR const *value);
 138 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 139                                    char const *value);
 140 static LONG recursive_delete_key(HKEY key);
 141 static LONG recursive_delete_keyA(HKEY base, char const *name);
 142 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name);
 143
 144 /***********************************************************************
 145  *              register_interfaces
 146  */
 147 static HRESULT register_interfaces(struct regsvr_interface const *list)
 148 {
 149     LONG res = ERROR_SUCCESS;
 150     HKEY interface_key;
 151
 152     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 153                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 154     if (res != ERROR_SUCCESS) goto error_return;
 155
 156     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 157         WCHAR buf[39];
 158         HKEY iid_key;
 159
 160         StringFromGUID2(list->iid, buf, 39);
 161         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 162                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 163         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 164
 165         if (list->name) {
 166             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 167                                  (CONST BYTE*)(list->name),
 168                                  strlen(list->name) + 1);
 169             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 170         }
 171
 172         if (list->base_iid) {
 173             register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 174             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 175         }
 176
 177         if (0 <= list->num_methods) {
 178             static WCHAR const fmt[3] = { '%', 'd', 0 };
 179             HKEY key;
 180
 181             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 182                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 183             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 184
 185             wsprintfW(buf, fmt, list->num_methods);
 186             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 187                                  (CONST BYTE*)buf,
 188                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 189             RegCloseKey(key);
 190
 191             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 192         }
 193
 194         if (list->ps_clsid) {
 195             register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 196             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 197         }
 198
 199         if (list->ps_clsid32) {
 200             register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 201             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 202         }
 203
 204     error_close_iid_key:
 205         RegCloseKey(iid_key);
 206     }
 207
 208 error_close_interface_key:
 209     RegCloseKey(interface_key);
 210 error_return:
 211     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 212 }
 213
 214 /***********************************************************************
 215  *              unregister_interfaces
 216  */
 217 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 218 {
 219     LONG res = ERROR_SUCCESS;
 220     HKEY interface_key;
 221
 222     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 223                         KEY_READ | KEY_WRITE, &interface_key);
 224     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 225     if (res != ERROR_SUCCESS) goto error_return;
 226
 227     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 228         WCHAR buf[39];
 229
 230         StringFromGUID2(list->iid, buf, 39);
 231         res = recursive_delete_keyW(interface_key, buf);
 232     }
 233
 234     RegCloseKey(interface_key);
 235 error_return:
 236     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 237 }
 238
 239 /***********************************************************************
 240  *              register_coclasses
 241  */
 242 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 243 {
 244     LONG res = ERROR_SUCCESS;
 245     HKEY coclass_key;
 246
 247     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 248                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 249     if (res != ERROR_SUCCESS) goto error_return;
 250
 251     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 252         WCHAR buf[39];
 253         HKEY clsid_key;
 254
 255         StringFromGUID2(list->clsid, buf, 39);
 256         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 257                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 258         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 259
 260         if (list->name) {
 261             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 262                                  (CONST BYTE*)(list->name),
 263                                  strlen(list->name) + 1);
 264             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 265         }
 266
 267         if (list->ips) {
 268             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 269             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 270         }
 271
 272         if (list->ips32) {
 273             HKEY ips32_key;
 274
 275             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 276                                   KEY_READ | KEY_WRITE, NULL,
 277                                   &ips32_key, NULL);
 278             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 279
 280             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 281                                  (CONST BYTE*)list->ips32,
 282                                  lstrlenA(list->ips32) + 1);
 283             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 284                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 285                                      (CONST BYTE*)list->ips32_tmodel,
 286                                      strlen(list->ips32_tmodel) + 1);
 287             RegCloseKey(ips32_key);
 288             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 289         }
 290
 291         if (list->flags & SHELLEX_MAYCHANGEDEFAULTMENU) {
 292             HKEY shellex_key, mcdm_key;
 293
 294             res = RegCreateKeyExW(clsid_key, shellex_keyname, 0, NULL, 0,
 295                                   KEY_READ | KEY_WRITE, NULL,
 296                                   &shellex_key, NULL);
 297             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 298             res = RegCreateKeyExW(shellex_key, mcdm_keyname, 0, NULL, 0,
 299                                   KEY_READ | KEY_WRITE, NULL,
 300                                   &mcdm_key, NULL);
 301             RegCloseKey(shellex_key);
 302             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 303             RegCloseKey(mcdm_key);
 304         }
 305
 306         if (list->flags &
 307                 (SHELLFOLDER_WANTSFORPARSING|SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES))
 308         {
 309             HKEY shellfolder_key;
 310
 311             res = RegCreateKeyExW(clsid_key, shellfolder_keyname, 0, NULL, 0,
 312                                   KEY_READ | KEY_WRITE, NULL,
 313                                   &shellfolder_key, NULL);
 314             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 315             if (list->flags & SHELLFOLDER_WANTSFORPARSING)
 316                 res = RegSetValueExA(shellfolder_key, wfparsing_valuename, 0, REG_SZ, (LPBYTE)"", 1);
 317             if (list->flags & SHELLFOLDER_ATTRIBUTES)
 318                 res = RegSetValueExA(shellfolder_key, attributes_valuename, 0, REG_DWORD,
 319                                      (LPBYTE)&list->dwAttributes, sizeof(DWORD));
 320             if (list->flags & SHELLFOLDER_CALLFORATTRIBUTES)
 321                 res = RegSetValueExA(shellfolder_key, cfattributes_valuename, 0, REG_DWORD,
 322                                      (LPBYTE)&list->dwCallForAttributes, sizeof(DWORD));
 323             RegCloseKey(shellfolder_key);
 324             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 325         }
 326
 327         if (list->clsid_str) {
 328             res = register_key_defvalueA(clsid_key, clsid_keyname,
 329                                          list->clsid_str);
 330             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 331         }
 332
 333         if (list->progid) {
 334             HKEY progid_key;
 335
 336             res = register_key_defvalueA(clsid_key, progid_keyname,
 337                                          list->progid);
 338             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 339
 340             res = RegCreateKeyExA(HKEY_CLASSES_ROOT, list->progid, 0,
 341                                   NULL, 0, KEY_READ | KEY_WRITE, NULL,
 342                                   &progid_key, NULL);
 343             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 344
 345             res = register_key_defvalueW(progid_key, clsid_keyname, buf);
 346             RegCloseKey(progid_key);
 347             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 348         }
 349
 350     error_close_clsid_key:
 351         RegCloseKey(clsid_key);
 352     }
 353
 354 error_close_coclass_key:
 355     RegCloseKey(coclass_key);
 356 error_return:
 357     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 358 }
 359
 360 /***********************************************************************
 361  *              unregister_coclasses
 362  */
 363 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 364 {
 365     LONG res = ERROR_SUCCESS;
 366     HKEY coclass_key;
 367
 368     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 369                         KEY_READ | KEY_WRITE, &coclass_key);
 370     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 371     if (res != ERROR_SUCCESS) goto error_return;
 372
 373     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 374         WCHAR buf[39];
 375
 376         StringFromGUID2(list->clsid, buf, 39);
 377         res = recursive_delete_keyW(coclass_key, buf);
 378         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 379
 380         if (list->progid) {
 381             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
 382             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 383         }
 384     }
 385
 386 error_close_coclass_key:
 387     RegCloseKey(coclass_key);
 388 error_return:
 389     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 390 }
 391
 392 /**********************************************************************
 393  * register_namespace_extensions
 394  */
 395 static WCHAR *get_namespace_key(struct regsvr_namespace const *list) {
 396     static const WCHAR wszExplorerKey[] = {
 397         'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 398         'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 399         'E','x','p','l','o','r','e','r','\\',0 };
 400     static const WCHAR wszNamespace[] = { '\\','N','a','m','e','s','p','a','c','e','\\',0 };
 401     WCHAR *pwszKey, *pwszCLSID;
 402
 403     pwszKey = HeapAlloc(GetProcessHeap(), 0, sizeof(wszExplorerKey)+sizeof(wszNamespace)+
 404                                              sizeof(WCHAR)*(lstrlenW(list->parent)+CHARS_IN_GUID));
 405     if (!pwszKey)
 406         return NULL;
 407
 408     lstrcpyW(pwszKey, wszExplorerKey);
 409     lstrcatW(pwszKey, list->parent);
 410     lstrcatW(pwszKey, wszNamespace);
 411     if (FAILED(StringFromCLSID(list->clsid, &pwszCLSID))) {
 412         HeapFree(GetProcessHeap(), 0, pwszKey);
 413         return NULL;
 414     }
 415     lstrcatW(pwszKey, pwszCLSID);
 416     CoTaskMemFree(pwszCLSID);
 417
 418     return pwszKey;
 419 }
 420
 421 static HRESULT register_namespace_extensions(struct regsvr_namespace const *list) {
 422     WCHAR *pwszKey;
 423     HKEY hKey;
 424
 425     for (; list->clsid; list++) {
 426         pwszKey = get_namespace_key(list);
 427
 428         /* Create the key and set the value. */
 429         if (pwszKey && ERROR_SUCCESS ==
 430             RegCreateKeyExW(HKEY_LOCAL_MACHINE, pwszKey, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL))
 431         {
 432             RegSetValueExW(hKey, NULL, 0, REG_SZ, (LPBYTE)list->value, sizeof(WCHAR)*(lstrlenW(list->value)+1));
 433             RegCloseKey(hKey);
 434         }
 435
 436         HeapFree(GetProcessHeap(), 0, pwszKey);
 437     }
 438     return S_OK;
 439 }
 440
 441 static HRESULT unregister_namespace_extensions(struct regsvr_namespace const *list) {
 442     WCHAR *pwszKey;
 443
 444     for (; list->clsid; list++) {
 445         pwszKey = get_namespace_key(list);
 446         RegDeleteKeyW(HKEY_LOCAL_MACHINE, pwszKey);
 447         HeapFree(GetProcessHeap(), 0, pwszKey);
 448     }
 449     return S_OK;
 450 }
 451
 452 /***********************************************************************
 453  *              regsvr_key_guid
 454  */
 455 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 456 {
 457     WCHAR buf[39];
 458
 459     StringFromGUID2(guid, buf, 39);
 460     return register_key_defvalueW(base, name, buf);
 461 }
 462
 463 /***********************************************************************
 464  *              regsvr_key_defvalueW
 465  */
 466 static LONG register_key_defvalueW(
 467     HKEY base,
 468     WCHAR const *name,
 469     WCHAR const *value)
 470 {
 471     LONG res;
 472     HKEY key;
 473
 474     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 475                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 476     if (res != ERROR_SUCCESS) return res;
 477     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 478                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 479     RegCloseKey(key);
 480     return res;
 481 }
 482
 483 /***********************************************************************
 484  *              regsvr_key_defvalueA
 485  */
 486 static LONG register_key_defvalueA(
 487     HKEY base,
 488     WCHAR const *name,
 489     char const *value)
 490 {
 491     LONG res;
 492     HKEY key;
 493
 494     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 495                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 496     if (res != ERROR_SUCCESS) return res;
 497     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 498                          lstrlenA(value) + 1);
 499     RegCloseKey(key);
 500     return res;
 501 }
 502
 503 /***********************************************************************
 504  *              recursive_delete_key
 505  */
 506 static LONG recursive_delete_key(HKEY key)
 507 {
 508     LONG res;
 509     WCHAR subkey_name[MAX_PATH];
 510     DWORD cName;
 511     HKEY subkey;
 512
 513     for (;;) {
 514         cName = sizeof(subkey_name) / sizeof(WCHAR);
 515         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 516                             NULL, NULL, NULL, NULL);
 517         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 518             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 519             break;
 520         }
 521         res = RegOpenKeyExW(key, subkey_name, 0,
 522                             KEY_READ | KEY_WRITE, &subkey);
 523         if (res == ERROR_FILE_NOT_FOUND) continue;
 524         if (res != ERROR_SUCCESS) break;
 525
 526         res = recursive_delete_key(subkey);
 527         RegCloseKey(subkey);
 528         if (res != ERROR_SUCCESS) break;
 529     }
 530
 531     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 532     return res;
 533 }
 534
 535 /***********************************************************************
 536  *              recursive_delete_keyA
 537  */
 538 static LONG recursive_delete_keyA(HKEY base, char const *name)
 539 {
 540     LONG res;
 541     HKEY key;
 542
 543     res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
 544     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 545     if (res != ERROR_SUCCESS) return res;
 546     res = recursive_delete_key(key);
 547     RegCloseKey(key);
 548     return res;
 549 }
 550
 551 /***********************************************************************
 552  *              recursive_delete_keyW
 553  */
 554 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name)
 555 {
 556     LONG res;
 557     HKEY key;
 558
 559     res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
 560     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 561     if (res != ERROR_SUCCESS) return res;
 562     res = recursive_delete_key(key);
 563     RegCloseKey(key);
 564     return res;
 565 }
 566
 567 /***********************************************************************
 568  *              coclass list
 569  */
 570 static GUID const CLSID_Desktop = {
 571     0x00021400, 0x0000, 0x0000, {0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46} };
 572
 573 static GUID const CLSID_Shortcut = {
 574     0x00021401, 0x0000, 0x0000, {0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46} };
 575
 576 static struct regsvr_coclass const coclass_list[] = {
 577     {   &CLSID_Desktop,
 578         "Desktop",
 579         NULL,
 580         "shell32.dll",
 581         "Apartment"
 582     },
 583     {   &CLSID_DragDropHelper,
 584         "Shell Drag and Drop Helper",
 585         NULL,
 586         "shell32.dll",
 587         "Apartment"
 588     },
 589     {   &CLSID_MyComputer,
 590         "My Computer",
 591         NULL,
 592         "shell32.dll",
 593         "Apartment"
 594     },
 595     {   &CLSID_Shortcut,
 596         "Shortcut",
 597         NULL,
 598         "shell32.dll",
 599         "Apartment",
 600         SHELLEX_MAYCHANGEDEFAULTMENU
 601     },
 602     {   &CLSID_AutoComplete,
 603         "AutoComplete",
 604         NULL,
 605         "shell32.dll",
 606         "Apartment",
 607     },
 608     {   &CLSID_FolderShortcut,
 609         "Foldershortcut",
 610         NULL,
 611         "shell32.dll",
 612         "Apartment",
 613         SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES,
 614         SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_LINK,
 615         SFGAO_HASSUBFOLDER|SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR
 616     },
 617     {   &CLSID_MyDocuments,
 618         "My Documents",
 619         NULL,
 620         "shell32.dll",
 621         "Apartment",
 622         SHELLFOLDER_WANTSFORPARSING|SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES,
 623         SFGAO_FILESYSANCESTOR|SFGAO_FOLDER|SFGAO_HASSUBFOLDER,
 624         SFGAO_FILESYSTEM
 625     },
 626     { NULL }                    /* list terminator */
 627 };
 628
 629 /***********************************************************************
 630  *              interface list
 631  */
 632
 633 static struct regsvr_interface const interface_list[] = {
 634     { NULL }                    /* list terminator */
 635 };
 636
 637 /***********************************************************************
 638  *              namespace extensions list
 639  */
 640 static const WCHAR wszDesktop[] = { 'D','e','s','k','t','o','p',0 };
 641 static const WCHAR wszSlash[] = { '/', 0 };
 642 static const WCHAR wszMyDocuments[] = { 'M','y',' ','D','o','c','u','m','e','n','t','s', 0 };
 643
 644 static struct regsvr_namespace const namespace_extensions_list[] = {
 645     {
 646         &CLSID_MyDocuments,
 647         wszDesktop,
 648         wszMyDocuments
 649     },
 650     { NULL }
 651 };
 652
 653 /***********************************************************************
 654  *              DllRegisterServer (SHELL32.@)
 655  */
 656 HRESULT WINAPI DllRegisterServer(void)
 657 {
 658     HRESULT hr;
 659
 660     TRACE("\n");
 661
 662     hr = register_coclasses(coclass_list);
 663     if (SUCCEEDED(hr))
 664         hr = register_interfaces(interface_list);
 665     if (SUCCEEDED(hr))
 666         hr = SHELL_RegisterShellFolders();
 667     if (SUCCEEDED(hr))
 668         hr = register_namespace_extensions(namespace_extensions_list);
 669     return hr;
 670 }
 671
 672 /***********************************************************************
 673  *              DllUnregisterServer (SHELL32.@)
 674  */
 675 HRESULT WINAPI DllUnregisterServer(void)
 676 {
 677     HRESULT hr;
 678
 679     TRACE("\n");
 680
 681     hr = unregister_coclasses(coclass_list);
 682     if (SUCCEEDED(hr))
 683         hr = unregister_interfaces(interface_list);
 684     if (SUCCEEDED(hr))
 685         hr = unregister_namespace_extensions(namespace_extensions_list);
 686     return hr;
 687 }