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
  23 #include <string.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 "comcat.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  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 struct regsvr_interface
  47 {
  48     IID const *iid;             /* NULL for end of list */
  49     LPCSTR name;                /* can be NULL to omit */
  50     IID const *base_iid;        /* can be NULL to omit */
  51     int num_methods;            /* can be <0 to omit */
  52     CLSID const *ps_clsid;      /* can be NULL to omit */
  53     CLSID const *ps_clsid32;    /* can be NULL to omit */
  54 };
  55
  56 static HRESULT register_interfaces(struct regsvr_interface const *list);
  57 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  58
  59 struct regsvr_coclass
  60 {
  61     CLSID const *clsid;         /* NULL for end of list */
  62     LPCSTR name;                /* can be NULL to omit */
  63     LPCSTR ips;                 /* can be NULL to omit */
  64     LPCSTR ips32;               /* can be NULL to omit */
  65     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  66 };
  67
  68 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  69 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  70
  71 /***********************************************************************
  72  *              static string constants
  73  */
  74 static WCHAR const interface_keyname[10] = {
  75     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  76 static WCHAR const base_ifa_keyname[14] = {
  77     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  78     'e', 0 };
  79 static WCHAR const num_methods_keyname[11] = {
  80     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  81 static WCHAR const ps_clsid_keyname[15] = {
  82     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  83     'i', 'd', 0 };
  84 static WCHAR const ps_clsid32_keyname[17] = {
  85     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  86     'i', 'd', '3', '2', 0 };
  87 static WCHAR const clsid_keyname[6] = {
  88     'C', 'L', 'S', 'I', 'D', 0 };
  89 static WCHAR const ips_keyname[13] = {
  90     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  91     0 };
  92 static WCHAR const ips32_keyname[15] = {
  93     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
  94     '3', '2', 0 };
  95 static char const tmodel_valuename[] = "ThreadingModel";
  96
  97 /***********************************************************************
  98  *              static helper functions
  99  */
 100 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 101 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 102                                    WCHAR const *value);
 103 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 104                                    char const *value);
 105 static LONG recursive_delete_key(HKEY key);
 106
 107
 108 /***********************************************************************
 109  *              register_interfaces
 110  */
 111 static HRESULT register_interfaces(struct regsvr_interface const *list)
 112 {
 113     LONG res = ERROR_SUCCESS;
 114     HKEY interface_key;
 115
 116     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 117                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 118     if (res != ERROR_SUCCESS) goto error_return;
 119
 120     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 121         WCHAR buf[39];
 122         HKEY iid_key;
 123
 124         StringFromGUID2(list->iid, buf, 39);
 125         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 126                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 127         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 128
 129         if (list->name) {
 130             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 131                                  (CONST BYTE*)(list->name),
 132                                  strlen(list->name) + 1);
 133             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 134         }
 135
 136         if (list->base_iid) {
 137             register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 138             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 139         }
 140
 141         if (0 <= list->num_methods) {
 142             static WCHAR const fmt[3] = { '%', 'd', 0 };
 143             HKEY key;
 144
 145             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 146                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 147             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 148
 149             wsprintfW(buf, fmt, list->num_methods);
 150             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 151                                  (CONST BYTE*)buf,
 152                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 153             RegCloseKey(key);
 154
 155             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 156         }
 157
 158         if (list->ps_clsid) {
 159             register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 160             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 161         }
 162
 163         if (list->ps_clsid32) {
 164             register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 165             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 166         }
 167
 168     error_close_iid_key:
 169         RegCloseKey(iid_key);
 170     }
 171
 172 error_close_interface_key:
 173     RegCloseKey(interface_key);
 174 error_return:
 175     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 176 }
 177
 178 /***********************************************************************
 179  *              unregister_interfaces
 180  */
 181 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 182 {
 183     LONG res = ERROR_SUCCESS;
 184     HKEY interface_key;
 185
 186     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 187                         KEY_READ | KEY_WRITE, &interface_key);
 188     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 189     if (res != ERROR_SUCCESS) goto error_return;
 190
 191     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 192         WCHAR buf[39];
 193         HKEY iid_key;
 194
 195         StringFromGUID2(list->iid, buf, 39);
 196         res = RegOpenKeyExW(interface_key, buf, 0,
 197                             KEY_READ | KEY_WRITE, &iid_key);
 198         if (res == ERROR_FILE_NOT_FOUND) {
 199             res = ERROR_SUCCESS;
 200             continue;
 201         }
 202         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 203         res = recursive_delete_key(iid_key);
 204         RegCloseKey(iid_key);
 205         if (res != ERROR_SUCCESS) goto error_close_interface_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  *              register_coclasses
 216  */
 217 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 218 {
 219     LONG res = ERROR_SUCCESS;
 220     HKEY coclass_key;
 221
 222     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 223                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 224     if (res != ERROR_SUCCESS) goto error_return;
 225
 226     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 227         WCHAR buf[39];
 228         HKEY clsid_key;
 229
 230         StringFromGUID2(list->clsid, buf, 39);
 231         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 232                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 233         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 234
 235         if (list->name) {
 236             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 237                                  (CONST BYTE*)(list->name),
 238                                  strlen(list->name) + 1);
 239             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 240         }
 241
 242         if (list->ips) {
 243             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 244             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 245         }
 246
 247         if (list->ips32) {
 248             HKEY ips32_key;
 249
 250             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 251                                   KEY_READ | KEY_WRITE, NULL,
 252                                   &ips32_key, NULL);
 253             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 254
 255             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 256                                  (CONST BYTE*)list->ips32,
 257                                  lstrlenA(list->ips32) + 1);
 258             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 259                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 260                                      (CONST BYTE*)list->ips32_tmodel,
 261                                      strlen(list->ips32_tmodel) + 1);
 262             RegCloseKey(ips32_key);
 263             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 264         }
 265
 266     error_close_clsid_key:
 267         RegCloseKey(clsid_key);
 268     }
 269
 270 error_close_coclass_key:
 271     RegCloseKey(coclass_key);
 272 error_return:
 273     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 274 }
 275
 276 /***********************************************************************
 277  *              unregister_coclasses
 278  */
 279 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 280 {
 281     LONG res = ERROR_SUCCESS;
 282     HKEY coclass_key;
 283
 284     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 285                         KEY_READ | KEY_WRITE, &coclass_key);
 286     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 287     if (res != ERROR_SUCCESS) goto error_return;
 288
 289     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 290         WCHAR buf[39];
 291         HKEY clsid_key;
 292
 293         StringFromGUID2(list->clsid, buf, 39);
 294         res = RegOpenKeyExW(coclass_key, buf, 0,
 295                             KEY_READ | KEY_WRITE, &clsid_key);
 296         if (res == ERROR_FILE_NOT_FOUND) {
 297             res = ERROR_SUCCESS;
 298             continue;
 299         }
 300         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 301         res = recursive_delete_key(clsid_key);
 302         RegCloseKey(clsid_key);
 303         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 304     }
 305
 306 error_close_coclass_key:
 307     RegCloseKey(coclass_key);
 308 error_return:
 309     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 310 }
 311
 312 /***********************************************************************
 313  *              regsvr_key_guid
 314  */
 315 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 316 {
 317     WCHAR buf[39];
 318
 319     StringFromGUID2(guid, buf, 39);
 320     return register_key_defvalueW(base, name, buf);
 321 }
 322
 323 /***********************************************************************
 324  *              regsvr_key_defvalueW
 325  */
 326 static LONG register_key_defvalueW(
 327     HKEY base,
 328     WCHAR const *name,
 329     WCHAR const *value)
 330 {
 331     LONG res;
 332     HKEY key;
 333
 334     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 335                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 336     if (res != ERROR_SUCCESS) return res;
 337     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 338                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 339     RegCloseKey(key);
 340     return res;
 341 }
 342
 343 /***********************************************************************
 344  *              regsvr_key_defvalueA
 345  */
 346 static LONG register_key_defvalueA(
 347     HKEY base,
 348     WCHAR const *name,
 349     char const *value)
 350 {
 351     LONG res;
 352     HKEY key;
 353
 354     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 355                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 356     if (res != ERROR_SUCCESS) return res;
 357     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 358                          lstrlenA(value) + 1);
 359     RegCloseKey(key);
 360     return res;
 361 }
 362
 363 /***********************************************************************
 364  *              recursive_delete_key
 365  */
 366 static LONG recursive_delete_key(HKEY key)
 367 {
 368     LONG res;
 369     WCHAR subkey_name[MAX_PATH];
 370     DWORD cName;
 371     HKEY subkey;
 372
 373     for (;;) {
 374         cName = sizeof(subkey_name) / sizeof(WCHAR);
 375         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 376                             NULL, NULL, NULL, NULL);
 377         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 378             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 379             break;
 380         }
 381         res = RegOpenKeyExW(key, subkey_name, 0,
 382                             KEY_READ | KEY_WRITE, &subkey);
 383         if (res == ERROR_FILE_NOT_FOUND) continue;
 384         if (res != ERROR_SUCCESS) break;
 385
 386         res = recursive_delete_key(subkey);
 387         RegCloseKey(subkey);
 388         if (res != ERROR_SUCCESS) break;
 389     }
 390
 391     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 392     return res;
 393 }
 394
 395 /***********************************************************************
 396  *              coclass list
 397  */
 398 static struct regsvr_coclass const coclass_list[] = {
 399     {   &CLSID_StdComponentCategoriesMgr,
 400         "StdComponentCategoriesMgr",
 401         NULL,
 402         "comcat.dll",
 403         "Both"
 404     },
 405     { NULL }                    /* list terminator */
 406 };
 407
 408 /***********************************************************************
 409  *              interface list
 410  */
 411 static GUID const CLSID_PSFactoryBuffer_actxprxy = {
 412     0xB8DA6310, 0xE19B, 0x11D0, {0x93,0x3C,0x00,0xA0,0xC9,0x0D,0xCA,0xA9} };
 413
 414 static struct regsvr_interface const interface_list[] = {
 415     {   &IID_IEnumGUID,
 416         "IEnumGUID",
 417         NULL,
 418         7,
 419         NULL,
 420         &CLSID_PSFactoryBuffer_actxprxy
 421     },
 422     {   &IID_IEnumCATEGORYINFO,
 423         "IEnumCATEGORYINFO",
 424         NULL,
 425         7,
 426         NULL,
 427         &CLSID_PSFactoryBuffer_actxprxy
 428     },
 429     {   &IID_ICatRegister,
 430         "ICatRegister",
 431         NULL,
 432         9,
 433         NULL,
 434         &CLSID_PSFactoryBuffer_actxprxy
 435     },
 436     {   &IID_ICatInformation,
 437         "ICatInformation",
 438         NULL,
 439         9,
 440         NULL,
 441         &CLSID_PSFactoryBuffer_actxprxy
 442     },
 443     { NULL }                    /* list terminator */
 444 };
 445
 446 /***********************************************************************
 447  *              DllRegisterServer (COMCAT.@)
 448  */
 449 HRESULT WINAPI COMCAT_DllRegisterServer()
 450 {
 451     HRESULT hr;
 452
 453     TRACE("\n");
 454
 455     hr = register_coclasses(coclass_list);
 456     if (SUCCEEDED(hr))
 457         hr = register_interfaces(interface_list);
 458     return hr;
 459 }
 460
 461 /***********************************************************************
 462  *              DllUnregisterServer (COMCAT.@)
 463  */
 464 HRESULT WINAPI COMCAT_DllUnregisterServer()
 465 {
 466     HRESULT hr;
 467
 468     TRACE("\n");
 469
 470     hr = unregister_coclasses(coclass_list);
 471     if (SUCCEEDED(hr))
 472         hr = unregister_interfaces(interface_list);
 473     return hr;
 474 }