dlls/urlmon/regsvr.c

   1 /*
   2  *      self-registerable dll functions for urlmon.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 <stdio.h>
  23 #include <string.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "wingdi.h"
  29 #include "winreg.h"
  30 #include "winerror.h"
  31 #include "advpub.h"
  32
  33 #include "objbase.h"
  34
  35 #include "urlmon.h"
  36
  37 #include "wine/debug.h"
  38
  39 #include "urlmon_main.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  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     LPCSTR ips;                 /* can be NULL to omit */
  69     LPCSTR ips32;               /* can be NULL to omit */
  70     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  71     LPCSTR progid;              /* can be NULL to omit */
  72     LPCSTR viprogid;            /* can be NULL to omit */
  73     LPCSTR progid_extra;        /* can be NULL to omit */
  74 };
  75
  76 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  77 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  78
  79 /***********************************************************************
  80  *              static string constants
  81  */
  82 static WCHAR const interface_keyname[10] = {
  83     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  84 static WCHAR const base_ifa_keyname[14] = {
  85     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  86     'e', 0 };
  87 static WCHAR const num_methods_keyname[11] = {
  88     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  89 static WCHAR const ps_clsid_keyname[15] = {
  90     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  91     'i', 'd', 0 };
  92 static WCHAR const ps_clsid32_keyname[17] = {
  93     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  94     'i', 'd', '3', '2', 0 };
  95 static WCHAR const clsid_keyname[6] = {
  96     'C', 'L', 'S', 'I', 'D', 0 };
  97 static WCHAR const curver_keyname[7] = {
  98     'C', 'u', 'r', 'V', 'e', 'r', 0 };
  99 static WCHAR const ips_keyname[13] = {
 100     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 101     0 };
 102 static WCHAR const ips32_keyname[15] = {
 103     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 104     '3', '2', 0 };
 105 static WCHAR const progid_keyname[7] = {
 106     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 107 static WCHAR const viprogid_keyname[25] = {
 108     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
 109     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
 110     0 };
 111 static char const tmodel_valuename[] = "ThreadingModel";
 112
 113 /***********************************************************************
 114  *              static helper functions
 115  */
 116 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 117 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 118                                    WCHAR const *value);
 119 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 120                                    char const *value);
 121 static LONG register_progid(WCHAR const *clsid,
 122                             char const *progid, char const *curver_progid,
 123                             char const *name, char const *extra);
 124
 125 /***********************************************************************
 126  *              register_interfaces
 127  */
 128 static HRESULT register_interfaces(struct regsvr_interface const *list)
 129 {
 130     LONG res = ERROR_SUCCESS;
 131     HKEY interface_key;
 132
 133     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 134                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 135     if (res != ERROR_SUCCESS) goto error_return;
 136
 137     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 138         WCHAR buf[39];
 139         HKEY iid_key;
 140
 141         StringFromGUID2(list->iid, buf, 39);
 142         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 143                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 144         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 145
 146         if (list->name) {
 147             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 148                                  (CONST BYTE*)(list->name),
 149                                  strlen(list->name) + 1);
 150             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 151         }
 152
 153         if (list->base_iid) {
 154             res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 155             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 156         }
 157
 158         if (0 <= list->num_methods) {
 159             static WCHAR const fmt[3] = { '%', 'd', 0 };
 160             HKEY key;
 161
 162             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 163                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 164             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 165
 166             wsprintfW(buf, fmt, list->num_methods);
 167             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 168                                  (CONST BYTE*)buf,
 169                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 170             RegCloseKey(key);
 171
 172             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 173         }
 174
 175         if (list->ps_clsid) {
 176             res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 177             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 178         }
 179
 180         if (list->ps_clsid32) {
 181             res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 182             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 183         }
 184
 185     error_close_iid_key:
 186         RegCloseKey(iid_key);
 187     }
 188
 189 error_close_interface_key:
 190     RegCloseKey(interface_key);
 191 error_return:
 192     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 193 }
 194
 195 /***********************************************************************
 196  *              unregister_interfaces
 197  */
 198 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 199 {
 200     LONG res = ERROR_SUCCESS;
 201     HKEY interface_key;
 202
 203     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 204                         KEY_READ | KEY_WRITE, &interface_key);
 205     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 206     if (res != ERROR_SUCCESS) goto error_return;
 207
 208     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 209         WCHAR buf[39];
 210
 211         StringFromGUID2(list->iid, buf, 39);
 212         res = RegDeleteTreeW(interface_key, buf);
 213         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 214     }
 215
 216     RegCloseKey(interface_key);
 217 error_return:
 218     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 219 }
 220
 221 /***********************************************************************
 222  *              register_coclasses
 223  */
 224 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 225 {
 226     LONG res = ERROR_SUCCESS;
 227     HKEY coclass_key;
 228
 229     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 230                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 231     if (res != ERROR_SUCCESS) goto error_return;
 232
 233     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 234         WCHAR buf[39];
 235         HKEY clsid_key;
 236
 237         StringFromGUID2(list->clsid, buf, 39);
 238         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 239                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 240         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 241
 242         if (list->name) {
 243             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 244                                  (CONST BYTE*)(list->name),
 245                                  strlen(list->name) + 1);
 246             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 247         }
 248
 249         if (list->ips) {
 250             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 251             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 252         }
 253
 254         if (list->ips32) {
 255             HKEY ips32_key;
 256
 257             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 258                                   KEY_READ | KEY_WRITE, NULL,
 259                                   &ips32_key, NULL);
 260             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 261
 262             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 263                                  (CONST BYTE*)list->ips32,
 264                                  lstrlenA(list->ips32) + 1);
 265             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 266                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 267                                      (CONST BYTE*)list->ips32_tmodel,
 268                                      strlen(list->ips32_tmodel) + 1);
 269             RegCloseKey(ips32_key);
 270             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 271         }
 272
 273         if (list->progid) {
 274             res = register_key_defvalueA(clsid_key, progid_keyname,
 275                                          list->progid);
 276             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 277
 278             res = register_progid(buf, list->progid, NULL,
 279                                   list->name, list->progid_extra);
 280             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 281         }
 282
 283         if (list->viprogid) {
 284             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 285                                          list->viprogid);
 286             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 287
 288             res = register_progid(buf, list->viprogid, list->progid,
 289                                   list->name, list->progid_extra);
 290             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 291         }
 292
 293     error_close_clsid_key:
 294         RegCloseKey(clsid_key);
 295     }
 296
 297 error_close_coclass_key:
 298     RegCloseKey(coclass_key);
 299 error_return:
 300     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 301 }
 302
 303 /***********************************************************************
 304  *              unregister_coclasses
 305  */
 306 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 307 {
 308     LONG res = ERROR_SUCCESS;
 309     HKEY coclass_key;
 310
 311     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 312                         KEY_READ | KEY_WRITE, &coclass_key);
 313     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 314     if (res != ERROR_SUCCESS) goto error_return;
 315
 316     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 317         WCHAR buf[39];
 318
 319         StringFromGUID2(list->clsid, buf, 39);
 320         res = RegDeleteTreeW(coclass_key, buf);
 321         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 322         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 323
 324         if (list->progid) {
 325             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
 326             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 327             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 328         }
 329
 330         if (list->viprogid) {
 331             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->viprogid);
 332             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 333             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 334         }
 335     }
 336
 337 error_close_coclass_key:
 338     RegCloseKey(coclass_key);
 339 error_return:
 340     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 341 }
 342
 343 /***********************************************************************
 344  *              regsvr_key_guid
 345  */
 346 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 347 {
 348     WCHAR buf[39];
 349
 350     StringFromGUID2(guid, buf, 39);
 351     return register_key_defvalueW(base, name, buf);
 352 }
 353
 354 /***********************************************************************
 355  *              regsvr_key_defvalueW
 356  */
 357 static LONG register_key_defvalueW(
 358     HKEY base,
 359     WCHAR const *name,
 360     WCHAR const *value)
 361 {
 362     LONG res;
 363     HKEY key;
 364
 365     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 366                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 367     if (res != ERROR_SUCCESS) return res;
 368     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 369                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 370     RegCloseKey(key);
 371     return res;
 372 }
 373
 374 /***********************************************************************
 375  *              regsvr_key_defvalueA
 376  */
 377 static LONG register_key_defvalueA(
 378     HKEY base,
 379     WCHAR const *name,
 380     char const *value)
 381 {
 382     LONG res;
 383     HKEY key;
 384
 385     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 386                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 387     if (res != ERROR_SUCCESS) return res;
 388     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 389                          lstrlenA(value) + 1);
 390     RegCloseKey(key);
 391     return res;
 392 }
 393
 394 /***********************************************************************
 395  *              regsvr_progid
 396  */
 397 static LONG register_progid(
 398     WCHAR const *clsid,
 399     char const *progid,
 400     char const *curver_progid,
 401     char const *name,
 402     char const *extra)
 403 {
 404     LONG res;
 405     HKEY progid_key;
 406
 407     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 408                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 409                           &progid_key, NULL);
 410     if (res != ERROR_SUCCESS) return res;
 411
 412     if (name) {
 413         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 414                              (CONST BYTE*)name, strlen(name) + 1);
 415         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 416     }
 417
 418     if (clsid) {
 419         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 420         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 421     }
 422
 423     if (curver_progid) {
 424         res = register_key_defvalueA(progid_key, curver_keyname,
 425                                      curver_progid);
 426         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 427     }
 428
 429     if (extra) {
 430         HKEY extra_key;
 431
 432         res = RegCreateKeyExA(progid_key, extra, 0,
 433                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 434                               &extra_key, NULL);
 435         if (res == ERROR_SUCCESS)
 436             RegCloseKey(extra_key);
 437     }
 438
 439 error_close_progid_key:
 440     RegCloseKey(progid_key);
 441     return res;
 442 }
 443
 444 /***********************************************************************
 445  *              coclass list
 446  */
 447 static struct regsvr_coclass const coclass_list[] = {
 448     {   &CLSID_StdURLMoniker,
 449         "URL Moniker",
 450         NULL,
 451         "urlmon.dll",
 452         "Apartment"
 453     },
 454     {   &CLSID_CdlProtocol,
 455         "CDL: Asynchronous Pluggable Protocol Handler",
 456         NULL,
 457         "urlmon.dll",
 458         "Apartment"
 459     },
 460     {   &CLSID_FileProtocol,
 461         "file:, local: Asynchronous Pluggable Protocol Handler",
 462         NULL,
 463         "urlmon.dll",
 464         "Apartment"
 465     },
 466     {   &CLSID_FtpProtocol,
 467         "ftp: Asynchronous Pluggable Protocol Handler",
 468         NULL,
 469         "urlmon.dll",
 470         "Apartment"
 471     },
 472     {   &CLSID_GopherProtocol,
 473         "gopher: Asynchronous Pluggable Protocol Handler",
 474         NULL,
 475         "urlmon.dll",
 476         "Apartment"
 477     },
 478     {   &CLSID_HttpProtocol,
 479         "http: Asynchronous Pluggable Protocol Handler",
 480         NULL,
 481         "urlmon.dll",
 482         "Apartment"
 483     },
 484     {   &CLSID_HttpSProtocol,
 485         "https: Asynchronous Pluggable Protocol Handler",
 486         NULL,
 487         "urlmon.dll",
 488         "Apartment"
 489     },
 490     {   &CLSID_MkProtocol,
 491         "mk: Asynchronous Pluggable Protocol Handler",
 492         NULL,
 493         "urlmon.dll",
 494         "Apartment"
 495     },
 496     {   &CLSID_InternetSecurityManager,
 497         "Security Manager",
 498         NULL,
 499         "urlmon.dll",
 500         "Both"
 501     },
 502     {   &CLSID_InternetZoneManager,
 503         "URL Zone Manager",
 504         NULL,
 505         "urlmon.dll",
 506         "Both"
 507     },
 508     { NULL }                    /* list terminator */
 509 };
 510
 511 /***********************************************************************
 512  *              interface list
 513  */
 514
 515 static struct regsvr_interface const interface_list[] = {
 516     { NULL }                    /* list terminator */
 517 };
 518
 519 /***********************************************************************
 520  *              register_inf
 521  */
 522
 523 #define INF_SET_CLSID(clsid)                  \
 524     do                                        \
 525     {                                         \
 526         static CHAR name[] = "CLSID_" #clsid; \
 527                                               \
 528         pse[i].pszName = name;                \
 529         clsids[i++] = &CLSID_ ## clsid;       \
 530     } while (0)
 531
 532 static HRESULT register_inf(BOOL doregister)
 533 {
 534     HRESULT hres;
 535     HMODULE hAdvpack;
 536     typeof(RegInstallA) *pRegInstall;
 537     STRTABLEA strtable;
 538     STRENTRYA pse[7];
 539     static CLSID const *clsids[34];
 540     int i = 0;
 541
 542     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 543
 544     INF_SET_CLSID(CdlProtocol);
 545     INF_SET_CLSID(FileProtocol);
 546     INF_SET_CLSID(FtpProtocol);
 547     INF_SET_CLSID(GopherProtocol);
 548     INF_SET_CLSID(HttpProtocol);
 549     INF_SET_CLSID(HttpSProtocol);
 550     INF_SET_CLSID(MkProtocol);
 551
 552     for(i = 0; i < sizeof(pse)/sizeof(pse[0]); i++) {
 553         pse[i].pszValue = HeapAlloc(GetProcessHeap(), 0, 39);
 554         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 555                 clsids[i]->Data1, clsids[i]->Data2, clsids[i]->Data3, clsids[i]->Data4[0],
 556                 clsids[i]->Data4[1], clsids[i]->Data4[2], clsids[i]->Data4[3], clsids[i]->Data4[4],
 557                 clsids[i]->Data4[5], clsids[i]->Data4[6], clsids[i]->Data4[7]);
 558     }
 559
 560     strtable.cEntries = sizeof(pse)/sizeof(pse[0]);
 561     strtable.pse = pse;
 562
 563     hAdvpack = LoadLibraryW(wszAdvpack);
 564     pRegInstall = (typeof(RegInstallA)*)GetProcAddress(hAdvpack, "RegInstall");
 565
 566     hres = pRegInstall(URLMON_hInstance, doregister ? "RegisterDll" : "UnregisterDll", &strtable);
 567
 568     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++)
 569         HeapFree(GetProcessHeap(), 0, pse[i].pszValue);
 570
 571     return hres;
 572 }
 573
 574 #undef INF_SET_CLSID
 575
 576 /***********************************************************************
 577  *              DllRegisterServer (URLMON.@)
 578  */
 579 HRESULT WINAPI DllRegisterServer(void)
 580 {
 581     HRESULT hr;
 582
 583     TRACE("\n");
 584
 585     hr = register_coclasses(coclass_list);
 586     if (SUCCEEDED(hr))
 587         hr = register_interfaces(interface_list);
 588     if(FAILED(hr))
 589         return hr;
 590     return register_inf(TRUE);
 591 }
 592
 593 /***********************************************************************
 594  *              DllUnregisterServer (URLMON.@)
 595  */
 596 HRESULT WINAPI DllUnregisterServer(void)
 597 {
 598     HRESULT hr;
 599
 600     TRACE("\n");
 601
 602     hr = unregister_coclasses(coclass_list);
 603     if (SUCCEEDED(hr))
 604         hr = unregister_interfaces(interface_list);
 605     if(FAILED(hr))
 606         return hr;
 607     return register_inf(FALSE);
 608 }