dlls/comcat/regsvr.c

   1 /*
   2  *      self-registerable dll functions for comcat.dll
   3  *
   4  * Copyright (C) 2002-2003 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 #define COM_NO_WINDOWS_H
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "winuser.h"
  25 #include "winreg.h"
  26 #include "winerror.h"
  27
  28 #include "ole2.h"
  29 #include "comcat.h"
  30
  31 #include "string.h"
  32
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  36
  37 /*
  38  * Near the bottom of this file are the exported DllRegisterServer and
  39  * DllUnregisterServer, which make all this worthwhile.
  40  */
  41
  42 /***********************************************************************
  43  *              interface for self-registering
  44  */
  45 struct regsvr_interface
  46 {
  47     IID const *iid;             /* NULL for end of list */
  48     LPCSTR name;                /* can be NULL to omit */
  49     IID const *base_iid;        /* can be NULL to omit */
  50     int num_methods;            /* can be <0 to omit */
  51     CLSID const *ps_clsid;      /* can be NULL to omit */
  52     CLSID const *ps_clsid32;    /* can be NULL to omit */
  53 };
  54
  55 static HRESULT register_interfaces(struct regsvr_interface const *list);
  56 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  57
  58 struct regsvr_coclass
  59 {
  60     CLSID const *clsid;         /* NULL for end of list */
  61     LPCSTR name;                /* can be NULL to omit */
  62     LPCSTR ips;                 /* can be NULL to omit */
  63     LPCSTR ips32;               /* can be NULL to omit */
  64     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  65 };
  66
  67 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  68 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  69
  70 /***********************************************************************
  71  *              static string constants
  72  */
  73 static WCHAR const interface_keyname[10] = {
  74     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  75 static WCHAR const base_ifa_keyname[14] = {
  76     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  77     'e', 0 };
  78 static WCHAR const num_methods_keyname[11] = {
  79     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  80 static WCHAR const ps_clsid_keyname[15] = {
  81     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  82     'i', 'd', 0 };
  83 static WCHAR const ps_clsid32_keyname[17] = {
  84     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  85     'i', 'd', '3', '2', 0 };
  86 static WCHAR const clsid_keyname[6] = {
  87     'C', 'L', 'S', 'I', 'D', 0 };
  88 static WCHAR const ips_keyname[13] = {
  89     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  90     0 };
  91 static WCHAR const ips32_keyname[15] = {
  92     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  93     '3', '2', 0 };
  94 static char const tmodel_valuename[] = "ThreadingModel";
  95
  96 /***********************************************************************
  97  *              static helper functions
  98  */
  99 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 100 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 101                                    WCHAR const *value);
 102 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 103                                    char const *value);
 104 static LONG recursive_delete_key(HKEY key);
 105
 106
 107 /***********************************************************************
 108  *              register_interfaces
 109  */
 110 static HRESULT register_interfaces(struct regsvr_interface const *list)
 111 {
 112     LONG res = ERROR_SUCCESS;
 113     HKEY interface_key;
 114
 115     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 116                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 117     if (res != ERROR_SUCCESS) goto error_return;
 118
 119     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 120         WCHAR buf[39];
 121         HKEY iid_key;
 122
 123         StringFromGUID2(list->iid, buf, 39);
 124         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 125                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 126         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 127
 128         if (list->name) {
 129             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 130                                  (CONST BYTE*)(list->name),
 131                                  strlen(list->name) + 1);
 132             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 133         }
 134
 135         if (list->base_iid) {
 136             register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 137             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 138         }
 139
 140         if (0 <= list->num_methods) {
 141             static WCHAR const fmt[3] = { '%', 'd', 0 };
 142             HKEY key;
 143
 144             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 145                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 146             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 147
 148             wsprintfW(buf, fmt, list->num_methods);
 149             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 150                                  (CONST BYTE*)buf,
 151                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 152             RegCloseKey(key);
 153
 154             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 155         }
 156
 157         if (list->ps_clsid) {
 158             register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 159             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 160         }
 161
 162         if (list->ps_clsid32) {
 163             register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 164             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 165         }
 166
 167     error_close_iid_key:
 168         RegCloseKey(iid_key);
 169     }
 170
 171 error_close_interface_key:
 172     RegCloseKey(interface_key);
 173 error_return:
 174     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 175 }
 176
 177 /***********************************************************************
 178  *              unregister_interfaces
 179  */
 180 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 181 {
 182     LONG res = ERROR_SUCCESS;
 183     HKEY interface_key;
 184
 185     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 186                         KEY_READ | KEY_WRITE, &interface_key);
 187     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 188     if (res != ERROR_SUCCESS) goto error_return;
 189
 190     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 191         WCHAR buf[39];
 192         HKEY iid_key;
 193
 194         StringFromGUID2(list->iid, buf, 39);
 195         res = RegOpenKeyExW(interface_key, buf, 0,
 196                             KEY_READ | KEY_WRITE, &iid_key);
 197         if (res == ERROR_FILE_NOT_FOUND) {
 198             res = ERROR_SUCCESS;
 199             continue;
 200         }
 201         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 202         res = recursive_delete_key(iid_key);
 203         RegCloseKey(iid_key);
 204         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 205     }
 206
 207 error_close_interface_key:
 208     RegCloseKey(interface_key);
 209 error_return:
 210     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 211 }
 212
 213 /***********************************************************************
 214  *              register_coclasses
 215  */
 216 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 217 {
 218     LONG res = ERROR_SUCCESS;
 219     HKEY coclass_key;
 220
 221     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 222                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 223     if (res != ERROR_SUCCESS) goto error_return;
 224
 225     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 226         WCHAR buf[39];
 227         HKEY clsid_key;
 228
 229         StringFromGUID2(list->clsid, buf, 39);
 230         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 231                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 232         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 233
 234         if (list->name) {
 235             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 236                                  (CONST BYTE*)(list->name),
 237                                  strlen(list->name) + 1);
 238             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 239         }
 240
 241         if (list->ips) {
 242             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 243             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 244         }
 245
 246         if (list->ips32) {
 247             HKEY ips32_key;
 248
 249             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 250                                   KEY_READ | KEY_WRITE, NULL,
 251                                   &ips32_key, NULL);
 252             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 253
 254             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 255                                  (CONST BYTE*)list->ips32,
 256                                  lstrlenA(list->ips32) + 1);
 257             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 258                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 259                                      (CONST BYTE*)list->ips32_tmodel,
 260                                      strlen(list->ips32_tmodel) + 1);
 261             RegCloseKey(ips32_key);
 262             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 263         }
 264
 265     error_close_clsid_key:
 266         RegCloseKey(clsid_key);
 267     }
 268
 269 error_close_coclass_key:
 270     RegCloseKey(coclass_key);
 271 error_return:
 272     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 273 }
 274
 275 /***********************************************************************
 276  *              unregister_coclasses
 277  */
 278 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 279 {
 280     LONG res = ERROR_SUCCESS;
 281     HKEY coclass_key;
 282
 283     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 284                         KEY_READ | KEY_WRITE, &coclass_key);
 285     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 286     if (res != ERROR_SUCCESS) goto error_return;
 287
 288     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 289         WCHAR buf[39];
 290         HKEY clsid_key;
 291
 292         StringFromGUID2(list->clsid, buf, 39);
 293         res = RegOpenKeyExW(coclass_key, buf, 0,
 294                             KEY_READ | KEY_WRITE, &clsid_key);
 295         if (res == ERROR_FILE_NOT_FOUND) {
 296             res = ERROR_SUCCESS;
 297             continue;
 298         }
 299         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 300         res = recursive_delete_key(clsid_key);
 301         RegCloseKey(clsid_key);
 302         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 303     }
 304
 305 error_close_coclass_key:
 306     RegCloseKey(coclass_key);
 307 error_return:
 308     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 309 }
 310
 311 /***********************************************************************
 312  *              regsvr_key_guid
 313  */
 314 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 315 {
 316     WCHAR buf[39];
 317
 318     StringFromGUID2(guid, buf, 39);
 319     return register_key_defvalueW(base, name, buf);
 320 }
 321
 322 /***********************************************************************
 323  *              regsvr_key_defvalueW
 324  */
 325 static LONG register_key_defvalueW(
 326     HKEY base,
 327     WCHAR const *name,
 328     WCHAR const *value)
 329 {
 330     LONG res;
 331     HKEY key;
 332
 333     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 334                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 335     if (res != ERROR_SUCCESS) return res;
 336     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 337                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 338     RegCloseKey(key);
 339     return res;
 340 }
 341
 342 /***********************************************************************
 343  *              regsvr_key_defvalueA
 344  */
 345 static LONG register_key_defvalueA(
 346     HKEY base,
 347     WCHAR const *name,
 348     char const *value)
 349 {
 350     LONG res;
 351     HKEY key;
 352
 353     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 354                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 355     if (res != ERROR_SUCCESS) return res;
 356     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 357                          lstrlenA(value) + 1);
 358     RegCloseKey(key);
 359     return res;
 360 }
 361
 362 /***********************************************************************
 363  *              recursive_delete_key
 364  */
 365 static LONG recursive_delete_key(HKEY key)
 366 {
 367     LONG res;
 368     WCHAR subkey_name[MAX_PATH];
 369     DWORD cName;
 370     HKEY subkey;
 371
 372     for (;;) {
 373         cName = sizeof subkey_name / sizeof(WCHAR);
 374         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 375                             NULL, NULL, NULL, NULL);
 376         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 377             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 378             break;
 379         }
 380         res = RegOpenKeyExW(key, subkey_name, 0,
 381                             KEY_READ | KEY_WRITE, &subkey);
 382         if (res == ERROR_FILE_NOT_FOUND) continue;
 383         if (res != ERROR_SUCCESS) break;
 384
 385         res = recursive_delete_key(subkey);
 386         RegCloseKey(subkey);
 387         if (res != ERROR_SUCCESS) break;
 388     }
 389
 390     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 391     return res;
 392 }
 393
 394 /***********************************************************************
 395  *              coclass list
 396  */
 397 static struct regsvr_coclass const coclass_list[] = {
 398     {   &CLSID_StdComponentCategoriesMgr,
 399         "StdComponentCategoriesMgr",
 400         NULL,
 401         "comcat.dll",
 402         "Both"
 403     },
 404     { NULL }                    /* list terminator */
 405 };
 406
 407 /***********************************************************************
 408  *              interface list
 409  */
 410 static GUID const CLSID_PSFactoryBuffer_actxprxy = {
 411     0xB8DA6310, 0xE19B, 0x11D0, {0x93,0x3C,0x00,0xA0,0xC9,0x0D,0xCA,0xA9} };
 412
 413 static struct regsvr_interface const interface_list[] = {
 414     {   &IID_IEnumGUID,
 415         "IEnumGUID",
 416         NULL,
 417         7,
 418         NULL,
 419         &CLSID_PSFactoryBuffer_actxprxy
 420     },
 421     {   &IID_IEnumCATEGORYINFO,
 422         "IEnumCATEGORYINFO",
 423         NULL,
 424         7,
 425         NULL,
 426         &CLSID_PSFactoryBuffer_actxprxy
 427     },
 428     {   &IID_ICatRegister,
 429         "ICatRegister",
 430         NULL,
 431         9,
 432         NULL,
 433         &CLSID_PSFactoryBuffer_actxprxy
 434     },
 435     {   &IID_ICatInformation,
 436         "ICatInformation",
 437         NULL,
 438         9,
 439         NULL,
 440         &CLSID_PSFactoryBuffer_actxprxy
 441     },
 442     { NULL }                    /* list terminator */
 443 };
 444
 445 /***********************************************************************
 446  *              DllRegisterServer (COMCAT.@)
 447  */
 448 HRESULT WINAPI COMCAT_DllRegisterServer()
 449 {
 450     HRESULT hr;
 451
 452     TRACE("\n");
 453
 454     hr = register_coclasses(coclass_list);
 455     if (SUCCEEDED(hr))
 456         hr = register_interfaces(interface_list);
 457     return hr;
 458 }
 459
 460 /***********************************************************************
 461  *              DllUnregisterServer (COMCAT.@)
 462  */
 463 HRESULT WINAPI COMCAT_DllUnregisterServer()
 464 {
 465     HRESULT hr;
 466
 467     TRACE("\n");
 468
 469     hr = unregister_coclasses(coclass_list);
 470     if (SUCCEEDED(hr))
 471         hr = unregister_interfaces(interface_list);
 472     return hr;
 473 }