dlls/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "shldisp.h"
  33 #include "shlguid.h"
  34 #include "shell32_main.h"
  35 #include "shresdef.h"
  36 #include "initguid.h"
  37 #include "shfldr.h"
  38
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  42
  43 /*
  44  * Near the bottom of this file are the exported DllRegisterServer and
  45  * DllUnregisterServer, which make all this worthwhile.
  46  */
  47
  48 /***********************************************************************
  49  *              interface for self-registering
  50  */
  51 struct regsvr_interface
  52 {
  53     IID const *iid;             /* NULL for end of list */
  54     LPCSTR name;                /* can be NULL to omit */
  55     IID const *base_iid;        /* can be NULL to omit */
  56     int num_methods;            /* can be <0 to omit */
  57     CLSID const *ps_clsid;      /* can be NULL to omit */
  58     CLSID const *ps_clsid32;    /* can be NULL to omit */
  59 };
  60
  61 static HRESULT register_interfaces(struct regsvr_interface const *list);
  62 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  63
  64 struct regsvr_coclass
  65 {
  66     CLSID const *clsid;         /* NULL for end of list */
  67     LPCSTR name;                /* can be NULL to omit */
  68     UINT idName;                /* can be 0 to omit */
  69     LPCSTR ips;                 /* can be NULL to omit */
  70     LPCSTR ips32;               /* can be NULL to omit */
  71     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  72     DWORD flags;
  73     DWORD dwAttributes;
  74     DWORD dwCallForAttributes;
  75     LPCSTR clsid_str;           /* can be NULL to omit */
  76     LPCSTR progid;              /* can be NULL to omit */
  77     UINT idDefaultIcon;         /* can be 0 to omit */
  78 };
  79
  80 /* flags for regsvr_coclass.flags */
  81 #define SHELLEX_MAYCHANGEDEFAULTMENU  0x00000001
  82 #define SHELLFOLDER_WANTSFORPARSING   0x00000002
  83 #define SHELLFOLDER_ATTRIBUTES        0x00000004
  84 #define SHELLFOLDER_CALLFORATTRIBUTES 0x00000008
  85
  86 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  87 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  88
  89 struct regsvr_namespace
  90 {
  91     CLSID const *clsid; /* CLSID of the namespace extension. NULL for end of list */
  92     LPCWSTR parent;     /* Mount point (MyComputer, Desktop, ..). */
  93     LPCWSTR value;      /* Display name of the extension. */
  94 };
  95
  96 static HRESULT register_namespace_extensions(struct regsvr_namespace const *list);
  97 static HRESULT unregister_namespace_extensions(struct regsvr_namespace const *list);
  98
  99 /***********************************************************************
 100  *              static string constants
 101  */
 102 static WCHAR const interface_keyname[10] = {
 103     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
 104 static WCHAR const base_ifa_keyname[14] = {
 105     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
 106     'e', 0 };
 107 static WCHAR const num_methods_keyname[11] = {
 108     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
 109 static WCHAR const ps_clsid_keyname[15] = {
 110     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 111     'i', 'd', 0 };
 112 static WCHAR const ps_clsid32_keyname[17] = {
 113     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 114     'i', 'd', '3', '2', 0 };
 115 static WCHAR const clsid_keyname[6] = {
 116     'C', 'L', 'S', 'I', 'D', 0 };
 117 static WCHAR const ips_keyname[13] = {
 118     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 119     0 };
 120 static WCHAR const ips32_keyname[15] = {
 121     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 122     '3', '2', 0 };
 123 static WCHAR const progid_keyname[7] = {
 124     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 125 static WCHAR const shellex_keyname[8] = {
 126     's', 'h', 'e', 'l', 'l', 'e', 'x', 0 };
 127 static WCHAR const shellfolder_keyname[12] = {
 128     'S', 'h', 'e', 'l', 'l', 'F', 'o', 'l', 'd', 'e', 'r', 0 };
 129 static WCHAR const mcdm_keyname[21] = {
 130     'M', 'a', 'y', 'C', 'h', 'a', 'n', 'g', 'e', 'D', 'e', 'f',
 131     'a', 'u', 'l', 't', 'M', 'e', 'n', 'u', 0 };
 132 static WCHAR const defaulticon_keyname[] = {
 133     'D','e','f','a','u','l','t','I','c','o','n',0};
 134 static char const tmodel_valuename[] = "ThreadingModel";
 135 static char const wfparsing_valuename[] = "WantsFORPARSING";
 136 static char const attributes_valuename[] = "Attributes";
 137 static char const cfattributes_valuename[] = "CallForAttributes";
 138 static char const localized_valuename[] = "LocalizedString";
 139
 140 /***********************************************************************
 141  *              static helper functions
 142  */
 143 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 144 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 145                                    WCHAR const *value);
 146 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 147                                    char const *value);
 148 static LONG recursive_delete_key(HKEY key);
 149 static LONG recursive_delete_keyA(HKEY base, char const *name);
 150 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name);
 151
 152 /***********************************************************************
 153  *              register_interfaces
 154  */
 155 static HRESULT register_interfaces(struct regsvr_interface const *list)
 156 {
 157     LONG res = ERROR_SUCCESS;
 158     HKEY interface_key;
 159
 160     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 161                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 162     if (res != ERROR_SUCCESS) goto error_return;
 163
 164     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 165         WCHAR buf[39];
 166         HKEY iid_key;
 167
 168         StringFromGUID2(list->iid, buf, 39);
 169         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 170                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 171         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 172
 173         if (list->name) {
 174             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 175                                  (CONST BYTE*)(list->name),
 176                                  strlen(list->name) + 1);
 177             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 178         }
 179
 180         if (list->base_iid) {
 181             res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 182             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 183         }
 184
 185         if (0 <= list->num_methods) {
 186             static WCHAR const fmt[3] = { '%', 'd', 0 };
 187             HKEY key;
 188
 189             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 190                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 191             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 192
 193             wsprintfW(buf, fmt, list->num_methods);
 194             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 195                                  (CONST BYTE*)buf,
 196                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 197             RegCloseKey(key);
 198
 199             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 200         }
 201
 202         if (list->ps_clsid) {
 203             res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 204             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 205         }
 206
 207         if (list->ps_clsid32) {
 208             res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 209             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 210         }
 211
 212     error_close_iid_key:
 213         RegCloseKey(iid_key);
 214     }
 215
 216 error_close_interface_key:
 217     RegCloseKey(interface_key);
 218 error_return:
 219     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 220 }
 221
 222 /***********************************************************************
 223  *              unregister_interfaces
 224  */
 225 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 226 {
 227     LONG res = ERROR_SUCCESS;
 228     HKEY interface_key;
 229
 230     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 231                         KEY_READ | KEY_WRITE, &interface_key);
 232     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 233     if (res != ERROR_SUCCESS) goto error_return;
 234
 235     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 236         WCHAR buf[39];
 237
 238         StringFromGUID2(list->iid, buf, 39);
 239         res = recursive_delete_keyW(interface_key, buf);
 240     }
 241
 242     RegCloseKey(interface_key);
 243 error_return:
 244     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 245 }
 246
 247 /***********************************************************************
 248  *              register_coclasses
 249  */
 250 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 251 {
 252     LONG res = ERROR_SUCCESS;
 253     HKEY coclass_key;
 254
 255     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 256                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 257     if (res != ERROR_SUCCESS) goto error_return;
 258
 259     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 260         WCHAR buf[39];
 261         HKEY clsid_key;
 262
 263         StringFromGUID2(list->clsid, buf, 39);
 264         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 265                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 266         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 267
 268         if (list->name) {
 269             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 270                                  (CONST BYTE*)(list->name),
 271                                  strlen(list->name) + 1);
 272             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 273         }
 274
 275         if (list->idName) {
 276             char buffer[64];
 277             sprintf(buffer, "@shell32.dll,-%u", list->idName);
 278             res = RegSetValueExA(clsid_key, localized_valuename, 0, REG_SZ,
 279                                  (CONST BYTE*)(buffer), strlen(buffer)+1);
 280             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 281         }
 282
 283         if (list->idDefaultIcon) {
 284             HKEY icon_key;
 285             char buffer[64];
 286
 287             res = RegCreateKeyExW(clsid_key, defaulticon_keyname, 0, NULL, 0,
 288                         KEY_READ | KEY_WRITE, NULL, &icon_key, NULL);
 289             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 290
 291             sprintf(buffer, "shell32.dll,-%u", list->idDefaultIcon);
 292             res = RegSetValueExA(icon_key, NULL, 0, REG_SZ,
 293                                  (CONST BYTE*)(buffer), strlen(buffer)+1);
 294             RegCloseKey(icon_key);
 295             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 296         }
 297
 298         if (list->ips) {
 299             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 300             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 301         }
 302
 303         if (list->ips32) {
 304             HKEY ips32_key;
 305
 306             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 307                                   KEY_READ | KEY_WRITE, NULL,
 308                                   &ips32_key, NULL);
 309             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 310
 311             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 312                                  (CONST BYTE*)list->ips32,
 313                                  lstrlenA(list->ips32) + 1);
 314             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 315                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 316                                      (CONST BYTE*)list->ips32_tmodel,
 317                                      strlen(list->ips32_tmodel) + 1);
 318             RegCloseKey(ips32_key);
 319             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 320         }
 321
 322         if (list->flags & SHELLEX_MAYCHANGEDEFAULTMENU) {
 323             HKEY shellex_key, mcdm_key;
 324
 325             res = RegCreateKeyExW(clsid_key, shellex_keyname, 0, NULL, 0,
 326                                   KEY_READ | KEY_WRITE, NULL,
 327                                   &shellex_key, NULL);
 328             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 329             res = RegCreateKeyExW(shellex_key, mcdm_keyname, 0, NULL, 0,
 330                                   KEY_READ | KEY_WRITE, NULL,
 331                                   &mcdm_key, NULL);
 332             RegCloseKey(shellex_key);
 333             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 334             RegCloseKey(mcdm_key);
 335         }
 336
 337         if (list->flags &
 338                 (SHELLFOLDER_WANTSFORPARSING|SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES))
 339         {
 340             HKEY shellfolder_key;
 341
 342             res = RegCreateKeyExW(clsid_key, shellfolder_keyname, 0, NULL, 0,
 343                                   KEY_READ | KEY_WRITE, NULL,
 344                                   &shellfolder_key, NULL);
 345             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 346             if (list->flags & SHELLFOLDER_WANTSFORPARSING)
 347                 res = RegSetValueExA(shellfolder_key, wfparsing_valuename, 0, REG_SZ, (const BYTE *)"", 1);
 348             if (list->flags & SHELLFOLDER_ATTRIBUTES)
 349                 res = RegSetValueExA(shellfolder_key, attributes_valuename, 0, REG_DWORD,
 350                                      (const BYTE *)&list->dwAttributes, sizeof(DWORD));
 351             if (list->flags & SHELLFOLDER_CALLFORATTRIBUTES)
 352                 res = RegSetValueExA(shellfolder_key, cfattributes_valuename, 0, REG_DWORD,
 353                                      (const BYTE *)&list->dwCallForAttributes, sizeof(DWORD));
 354             RegCloseKey(shellfolder_key);
 355             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 356         }
 357
 358         if (list->clsid_str) {
 359             res = register_key_defvalueA(clsid_key, clsid_keyname,
 360                                          list->clsid_str);
 361             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 362         }
 363
 364         if (list->progid) {
 365             HKEY progid_key;
 366
 367             res = register_key_defvalueA(clsid_key, progid_keyname,
 368                                          list->progid);
 369             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 370
 371             res = RegCreateKeyExA(HKEY_CLASSES_ROOT, list->progid, 0,
 372                                   NULL, 0, KEY_READ | KEY_WRITE, NULL,
 373                                   &progid_key, NULL);
 374             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 375
 376             res = register_key_defvalueW(progid_key, clsid_keyname, buf);
 377             RegCloseKey(progid_key);
 378             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 379         }
 380
 381     error_close_clsid_key:
 382         RegCloseKey(clsid_key);
 383     }
 384
 385 error_close_coclass_key:
 386     RegCloseKey(coclass_key);
 387 error_return:
 388     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 389 }
 390
 391 /***********************************************************************
 392  *              unregister_coclasses
 393  */
 394 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 395 {
 396     LONG res = ERROR_SUCCESS;
 397     HKEY coclass_key;
 398
 399     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 400                         KEY_READ | KEY_WRITE, &coclass_key);
 401     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 402     if (res != ERROR_SUCCESS) goto error_return;
 403
 404     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 405         WCHAR buf[39];
 406
 407         StringFromGUID2(list->clsid, buf, 39);
 408         res = recursive_delete_keyW(coclass_key, buf);
 409         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 410
 411         if (list->progid) {
 412             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
 413             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 414         }
 415     }
 416
 417 error_close_coclass_key:
 418     RegCloseKey(coclass_key);
 419 error_return:
 420     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 421 }
 422
 423 /**********************************************************************
 424  * register_namespace_extensions
 425  */
 426 static WCHAR *get_namespace_key(struct regsvr_namespace const *list) {
 427     static const WCHAR wszExplorerKey[] = {
 428         'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 429         'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 430         'E','x','p','l','o','r','e','r','\\',0 };
 431     static const WCHAR wszNamespace[] = { '\\','N','a','m','e','s','p','a','c','e','\\',0 };
 432     WCHAR *pwszKey, *pwszCLSID;
 433
 434     pwszKey = HeapAlloc(GetProcessHeap(), 0, sizeof(wszExplorerKey)+sizeof(wszNamespace)+
 435                                              sizeof(WCHAR)*(lstrlenW(list->parent)+CHARS_IN_GUID));
 436     if (!pwszKey)
 437         return NULL;
 438
 439     lstrcpyW(pwszKey, wszExplorerKey);
 440     lstrcatW(pwszKey, list->parent);
 441     lstrcatW(pwszKey, wszNamespace);
 442     if (FAILED(StringFromCLSID(list->clsid, &pwszCLSID))) {
 443         HeapFree(GetProcessHeap(), 0, pwszKey);
 444         return NULL;
 445     }
 446     lstrcatW(pwszKey, pwszCLSID);
 447     CoTaskMemFree(pwszCLSID);
 448
 449     return pwszKey;
 450 }
 451
 452 static HRESULT register_namespace_extensions(struct regsvr_namespace const *list) {
 453     WCHAR *pwszKey;
 454     HKEY hKey;
 455
 456     for (; list->clsid; list++) {
 457         pwszKey = get_namespace_key(list);
 458
 459         /* Create the key and set the value. */
 460         if (pwszKey && ERROR_SUCCESS ==
 461             RegCreateKeyExW(HKEY_LOCAL_MACHINE, pwszKey, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL))
 462         {
 463             RegSetValueExW(hKey, NULL, 0, REG_SZ, (const BYTE *)list->value, sizeof(WCHAR)*(lstrlenW(list->value)+1));
 464             RegCloseKey(hKey);
 465         }
 466
 467         HeapFree(GetProcessHeap(), 0, pwszKey);
 468     }
 469     return S_OK;
 470 }
 471
 472 static HRESULT unregister_namespace_extensions(struct regsvr_namespace const *list) {
 473     WCHAR *pwszKey;
 474
 475     for (; list->clsid; list++) {
 476         pwszKey = get_namespace_key(list);
 477         RegDeleteKeyW(HKEY_LOCAL_MACHINE, pwszKey);
 478         HeapFree(GetProcessHeap(), 0, pwszKey);
 479     }
 480     return S_OK;
 481 }
 482
 483 /***********************************************************************
 484  *              regsvr_key_guid
 485  */
 486 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 487 {
 488     WCHAR buf[39];
 489
 490     StringFromGUID2(guid, buf, 39);
 491     return register_key_defvalueW(base, name, buf);
 492 }
 493
 494 /***********************************************************************
 495  *              regsvr_key_defvalueW
 496  */
 497 static LONG register_key_defvalueW(
 498     HKEY base,
 499     WCHAR const *name,
 500     WCHAR const *value)
 501 {
 502     LONG res;
 503     HKEY key;
 504
 505     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 506                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 507     if (res != ERROR_SUCCESS) return res;
 508     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 509                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 510     RegCloseKey(key);
 511     return res;
 512 }
 513
 514 /***********************************************************************
 515  *              regsvr_key_defvalueA
 516  */
 517 static LONG register_key_defvalueA(
 518     HKEY base,
 519     WCHAR const *name,
 520     char const *value)
 521 {
 522     LONG res;
 523     HKEY key;
 524
 525     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 526                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 527     if (res != ERROR_SUCCESS) return res;
 528     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 529                          lstrlenA(value) + 1);
 530     RegCloseKey(key);
 531     return res;
 532 }
 533
 534 /***********************************************************************
 535  *              recursive_delete_key
 536  */
 537 static LONG recursive_delete_key(HKEY key)
 538 {
 539     LONG res;
 540     WCHAR subkey_name[MAX_PATH];
 541     DWORD cName;
 542     HKEY subkey;
 543
 544     for (;;) {
 545         cName = sizeof(subkey_name) / sizeof(WCHAR);
 546         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 547                             NULL, NULL, NULL, NULL);
 548         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 549             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 550             break;
 551         }
 552         res = RegOpenKeyExW(key, subkey_name, 0,
 553                             KEY_READ | KEY_WRITE, &subkey);
 554         if (res == ERROR_FILE_NOT_FOUND) continue;
 555         if (res != ERROR_SUCCESS) break;
 556
 557         res = recursive_delete_key(subkey);
 558         RegCloseKey(subkey);
 559         if (res != ERROR_SUCCESS) break;
 560     }
 561
 562     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 563     return res;
 564 }
 565
 566 /***********************************************************************
 567  *              recursive_delete_keyA
 568  */
 569 static LONG recursive_delete_keyA(HKEY base, char const *name)
 570 {
 571     LONG res;
 572     HKEY key;
 573
 574     res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
 575     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 576     if (res != ERROR_SUCCESS) return res;
 577     res = recursive_delete_key(key);
 578     RegCloseKey(key);
 579     return res;
 580 }
 581
 582 /***********************************************************************
 583  *              recursive_delete_keyW
 584  */
 585 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name)
 586 {
 587     LONG res;
 588     HKEY key;
 589
 590     res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
 591     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 592     if (res != ERROR_SUCCESS) return res;
 593     res = recursive_delete_key(key);
 594     RegCloseKey(key);
 595     return res;
 596 }
 597
 598 /***********************************************************************
 599  *              coclass list
 600  */
 601 static GUID const CLSID_Desktop = {
 602     0x00021400, 0x0000, 0x0000, {0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46} };
 603
 604 static GUID const CLSID_Shortcut = {
 605     0x00021401, 0x0000, 0x0000, {0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46} };
 606
 607 static struct regsvr_coclass const coclass_list[] = {
 608     {   &CLSID_Desktop,
 609         "Desktop",
 610         IDS_DESKTOP,
 611         NULL,
 612         "shell32.dll",
 613         "Apartment"
 614     },
 615     {   &CLSID_DragDropHelper,
 616         "Shell Drag and Drop Helper",
 617         0,
 618         NULL,
 619         "shell32.dll",
 620         "Apartment"
 621     },
 622     {   &CLSID_MyComputer,
 623         "My Computer",
 624         IDS_MYCOMPUTER,
 625         NULL,
 626         "shell32.dll",
 627         "Apartment"
 628     },
 629     {   &CLSID_NetworkPlaces,
 630         "My Network Places",
 631         0,
 632         NULL,
 633         "shell32.dll",
 634         "Apartment"
 635     },
 636     {   &CLSID_Shortcut,
 637         "Shortcut",
 638         0,
 639         NULL,
 640         "shell32.dll",
 641         "Apartment",
 642         SHELLEX_MAYCHANGEDEFAULTMENU
 643     },
 644     {   &CLSID_AutoComplete,
 645         "AutoComplete",
 646         0,
 647         NULL,
 648         "shell32.dll",
 649         "Apartment",
 650     },
 651     {   &CLSID_UnixFolder,
 652         "/",
 653         0,
 654         NULL,
 655         "shell32.dll",
 656         "Apartment",
 657         SHELLFOLDER_WANTSFORPARSING
 658     },
 659     {   &CLSID_UnixDosFolder,
 660         "/",
 661         0,
 662         NULL,
 663         "shell32.dll",
 664         "Apartment",
 665         SHELLFOLDER_WANTSFORPARSING|SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES,
 666         SFGAO_FILESYSANCESTOR|SFGAO_FOLDER|SFGAO_HASSUBFOLDER,
 667         SFGAO_FILESYSTEM
 668     },
 669     {   &CLSID_FolderShortcut,
 670         "Foldershortcut",
 671         0,
 672         NULL,
 673         "shell32.dll",
 674         "Apartment",
 675         SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES,
 676         SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_LINK,
 677         SFGAO_HASSUBFOLDER|SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR
 678     },
 679     {   &CLSID_MyDocuments,
 680         "My Documents",
 681         IDS_PERSONAL,
 682         NULL,
 683         "shell32.dll",
 684         "Apartment",
 685         SHELLFOLDER_WANTSFORPARSING|SHELLFOLDER_ATTRIBUTES|SHELLFOLDER_CALLFORATTRIBUTES,
 686         SFGAO_FILESYSANCESTOR|SFGAO_FOLDER|SFGAO_HASSUBFOLDER,
 687         SFGAO_FILESYSTEM
 688     },
 689     {   &CLSID_RecycleBin,
 690         "Trash",
 691         IDS_RECYCLEBIN_FOLDER_NAME,
 692         NULL,
 693         "shell32.dll",
 694         "Apartment",
 695         SHELLFOLDER_ATTRIBUTES,
 696         SFGAO_FOLDER|SFGAO_DROPTARGET|SFGAO_HASPROPSHEET,
 697         0,
 698         NULL,
 699         NULL,
 700         IDI_SHELL_FULL_RECYCLE_BIN
 701     },
 702     {   &CLSID_ShellFSFolder,
 703         "Shell File System Folder",
 704         0,
 705         NULL,
 706         "shell32.dll",
 707         "Apartment"
 708     },
 709     {   &CLSID_ShellFolderViewOC,
 710         "Microsoft Shell Folder View Router",
 711         0,
 712         NULL,
 713         "shell32.dll",
 714         "Apartment"
 715     },
 716     { NULL }                    /* list terminator */
 717 };
 718
 719 /***********************************************************************
 720  *              interface list
 721  */
 722
 723 static struct regsvr_interface const interface_list[] = {
 724     { NULL }                    /* list terminator */
 725 };
 726
 727 /***********************************************************************
 728  *              namespace extensions list
 729  */
 730 static const WCHAR wszDesktop[] = { 'D','e','s','k','t','o','p',0 };
 731 static const WCHAR wszSlash[] = { '/', 0 };
 732 static const WCHAR wszMyDocuments[] = { 'M','y',' ','D','o','c','u','m','e','n','t','s', 0 };
 733 static const WCHAR wszRecycleBin[] = { 'T','r','a','s','h', 0 };
 734
 735 static struct regsvr_namespace const namespace_extensions_list[] = {
 736     {
 737         &CLSID_UnixDosFolder,
 738         wszDesktop,
 739         wszSlash
 740     },
 741     {
 742         &CLSID_MyDocuments,
 743         wszDesktop,
 744         wszMyDocuments
 745     },
 746     {
 747         &CLSID_RecycleBin,
 748         wszDesktop,
 749         wszRecycleBin
 750     },
 751     { NULL }
 752 };
 753
 754 /***********************************************************************
 755  *              DllRegisterServer (SHELL32.@)
 756  */
 757 HRESULT WINAPI DllRegisterServer(void)
 758 {
 759     HRESULT hr;
 760
 761     TRACE("\n");
 762
 763     hr = register_coclasses(coclass_list);
 764     if (SUCCEEDED(hr))
 765         hr = register_interfaces(interface_list);
 766     if (SUCCEEDED(hr))
 767         hr = SHELL_RegisterShellFolders();
 768     if (SUCCEEDED(hr))
 769         hr = register_namespace_extensions(namespace_extensions_list);
 770     return hr;
 771 }
 772
 773 /***********************************************************************
 774  *              DllUnregisterServer (SHELL32.@)
 775  */
 776 HRESULT WINAPI DllUnregisterServer(void)
 777 {
 778     HRESULT hr;
 779
 780     TRACE("\n");
 781
 782     hr = unregister_coclasses(coclass_list);
 783     if (SUCCEEDED(hr))
 784         hr = unregister_interfaces(interface_list);
 785     if (SUCCEEDED(hr))
 786         hr = unregister_namespace_extensions(namespace_extensions_list);
 787     return hr;
 788 }