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 <stdio.h>
  22
  23 #include "urlmon_main.h"
  24
  25 #include "winreg.h"
  26 #include "advpub.h"
  27
  28 #include "wine/debug.h"
  29 #include "wine/unicode.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  32
  33 /*
  34  * Near the bottom of this file are the exported DllRegisterServer and
  35  * DllUnregisterServer, which make all this worthwhile.
  36  */
  37
  38 /***********************************************************************
  39  *              interface for self-registering
  40  */
  41 struct regsvr_interface
  42 {
  43     IID const *iid;             /* NULL for end of list */
  44     LPCSTR name;                /* can be NULL to omit */
  45     IID const *base_iid;        /* can be NULL to omit */
  46     int num_methods;            /* can be <0 to omit */
  47     CLSID const *ps_clsid;      /* can be NULL to omit */
  48     CLSID const *ps_clsid32;    /* can be NULL to omit */
  49 };
  50
  51 static HRESULT register_interfaces(struct regsvr_interface const *list);
  52 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  53
  54 struct regsvr_coclass
  55 {
  56     CLSID const *clsid;         /* NULL for end of list */
  57     LPCSTR name;                /* can be NULL to omit */
  58     LPCSTR ips;                 /* can be NULL to omit */
  59     LPCSTR ips32;               /* can be NULL to omit */
  60     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  61     LPCSTR progid;              /* can be NULL to omit */
  62     LPCSTR viprogid;            /* can be NULL to omit */
  63     LPCSTR progid_extra;        /* can be NULL to omit */
  64 };
  65
  66 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  67 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  68
  69 /***********************************************************************
  70  *              static string constants
  71  */
  72 static WCHAR const interface_keyname[10] = {
  73     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  74 static WCHAR const base_ifa_keyname[14] = {
  75     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  76     'e', 0 };
  77 static WCHAR const num_methods_keyname[11] = {
  78     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
  79 static WCHAR const ps_clsid_keyname[15] = {
  80     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  81     'i', 'd', 0 };
  82 static WCHAR const ps_clsid32_keyname[17] = {
  83     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
  84     'i', 'd', '3', '2', 0 };
  85 static WCHAR const clsid_keyname[6] = {
  86     'C', 'L', 'S', 'I', 'D', 0 };
  87 static WCHAR const curver_keyname[7] = {
  88     'C', 'u', 'r', 'V', 'e', 'r', 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 WCHAR const progid_keyname[7] = {
  96     'P', 'r', 'o', 'g', 'I', 'D', 0 };
  97 static WCHAR const viprogid_keyname[25] = {
  98     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
  99     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
 100     0 };
 101 static char const tmodel_valuename[] = "ThreadingModel";
 102
 103 /***********************************************************************
 104  *              static helper functions
 105  */
 106 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 107 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 108                                    WCHAR const *value);
 109 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 110                                    char const *value);
 111 static LONG register_progid(WCHAR const *clsid,
 112                             char const *progid, char const *curver_progid,
 113                             char const *name, char const *extra);
 114
 115 /***********************************************************************
 116  *              register_interfaces
 117  */
 118 static HRESULT register_interfaces(struct regsvr_interface const *list)
 119 {
 120     LONG res = ERROR_SUCCESS;
 121     HKEY interface_key;
 122
 123     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 124                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 125     if (res != ERROR_SUCCESS) goto error_return;
 126
 127     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 128         WCHAR buf[39];
 129         HKEY iid_key;
 130
 131         StringFromGUID2(list->iid, buf, 39);
 132         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 133                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 134         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 135
 136         if (list->name) {
 137             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 138                                  (CONST BYTE*)(list->name),
 139                                  strlen(list->name) + 1);
 140             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 141         }
 142
 143         if (list->base_iid) {
 144             res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 145             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 146         }
 147
 148         if (0 <= list->num_methods) {
 149             static WCHAR const fmt[3] = { '%', 'd', 0 };
 150             HKEY key;
 151
 152             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 153                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 154             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 155
 156             sprintfW(buf, fmt, list->num_methods);
 157             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 158                                  (CONST BYTE*)buf,
 159                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 160             RegCloseKey(key);
 161
 162             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 163         }
 164
 165         if (list->ps_clsid) {
 166             res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 167             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 168         }
 169
 170         if (list->ps_clsid32) {
 171             res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 172             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 173         }
 174
 175     error_close_iid_key:
 176         RegCloseKey(iid_key);
 177     }
 178
 179 error_close_interface_key:
 180     RegCloseKey(interface_key);
 181 error_return:
 182     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 183 }
 184
 185 /***********************************************************************
 186  *              unregister_interfaces
 187  */
 188 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 189 {
 190     LONG res = ERROR_SUCCESS;
 191     HKEY interface_key;
 192
 193     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 194                         KEY_READ | KEY_WRITE, &interface_key);
 195     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 196     if (res != ERROR_SUCCESS) goto error_return;
 197
 198     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 199         WCHAR buf[39];
 200
 201         StringFromGUID2(list->iid, buf, 39);
 202         res = RegDeleteTreeW(interface_key, buf);
 203         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 204     }
 205
 206     RegCloseKey(interface_key);
 207 error_return:
 208     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 209 }
 210
 211 /***********************************************************************
 212  *              register_coclasses
 213  */
 214 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 215 {
 216     LONG res = ERROR_SUCCESS;
 217     HKEY coclass_key;
 218
 219     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 220                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 221     if (res != ERROR_SUCCESS) goto error_return;
 222
 223     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 224         WCHAR buf[39];
 225         HKEY clsid_key;
 226
 227         StringFromGUID2(list->clsid, buf, 39);
 228         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 229                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 230         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 231
 232         if (list->name) {
 233             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 234                                  (CONST BYTE*)(list->name),
 235                                  strlen(list->name) + 1);
 236             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 237         }
 238
 239         if (list->ips) {
 240             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 241             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 242         }
 243
 244         if (list->ips32) {
 245             HKEY ips32_key;
 246
 247             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 248                                   KEY_READ | KEY_WRITE, NULL,
 249                                   &ips32_key, NULL);
 250             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 251
 252             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 253                                  (CONST BYTE*)list->ips32,
 254                                  lstrlenA(list->ips32) + 1);
 255             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 256                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 257                                      (CONST BYTE*)list->ips32_tmodel,
 258                                      strlen(list->ips32_tmodel) + 1);
 259             RegCloseKey(ips32_key);
 260             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 261         }
 262
 263         if (list->progid) {
 264             res = register_key_defvalueA(clsid_key, progid_keyname,
 265                                          list->progid);
 266             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 267
 268             res = register_progid(buf, list->progid, NULL,
 269                                   list->name, list->progid_extra);
 270             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 271         }
 272
 273         if (list->viprogid) {
 274             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 275                                          list->viprogid);
 276             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 277
 278             res = register_progid(buf, list->viprogid, list->progid,
 279                                   list->name, list->progid_extra);
 280             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 281         }
 282
 283     error_close_clsid_key:
 284         RegCloseKey(clsid_key);
 285     }
 286
 287 error_close_coclass_key:
 288     RegCloseKey(coclass_key);
 289 error_return:
 290     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 291 }
 292
 293 /***********************************************************************
 294  *              unregister_coclasses
 295  */
 296 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 297 {
 298     LONG res = ERROR_SUCCESS;
 299     HKEY coclass_key;
 300
 301     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 302                         KEY_READ | KEY_WRITE, &coclass_key);
 303     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 304     if (res != ERROR_SUCCESS) goto error_return;
 305
 306     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 307         WCHAR buf[39];
 308
 309         StringFromGUID2(list->clsid, buf, 39);
 310         res = RegDeleteTreeW(coclass_key, buf);
 311         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 312         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 313
 314         if (list->progid) {
 315             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
 316             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 317             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 318         }
 319
 320         if (list->viprogid) {
 321             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->viprogid);
 322             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 323             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 324         }
 325     }
 326
 327 error_close_coclass_key:
 328     RegCloseKey(coclass_key);
 329 error_return:
 330     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 331 }
 332
 333 /***********************************************************************
 334  *              regsvr_key_guid
 335  */
 336 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 337 {
 338     WCHAR buf[39];
 339
 340     StringFromGUID2(guid, buf, 39);
 341     return register_key_defvalueW(base, name, buf);
 342 }
 343
 344 /***********************************************************************
 345  *              regsvr_key_defvalueW
 346  */
 347 static LONG register_key_defvalueW(
 348     HKEY base,
 349     WCHAR const *name,
 350     WCHAR const *value)
 351 {
 352     LONG res;
 353     HKEY key;
 354
 355     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 356                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 357     if (res != ERROR_SUCCESS) return res;
 358     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 359                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 360     RegCloseKey(key);
 361     return res;
 362 }
 363
 364 /***********************************************************************
 365  *              regsvr_key_defvalueA
 366  */
 367 static LONG register_key_defvalueA(
 368     HKEY base,
 369     WCHAR const *name,
 370     char const *value)
 371 {
 372     LONG res;
 373     HKEY key;
 374
 375     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 376                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 377     if (res != ERROR_SUCCESS) return res;
 378     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 379                          lstrlenA(value) + 1);
 380     RegCloseKey(key);
 381     return res;
 382 }
 383
 384 /***********************************************************************
 385  *              regsvr_progid
 386  */
 387 static LONG register_progid(
 388     WCHAR const *clsid,
 389     char const *progid,
 390     char const *curver_progid,
 391     char const *name,
 392     char const *extra)
 393 {
 394     LONG res;
 395     HKEY progid_key;
 396
 397     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 398                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 399                           &progid_key, NULL);
 400     if (res != ERROR_SUCCESS) return res;
 401
 402     if (name) {
 403         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 404                              (CONST BYTE*)name, strlen(name) + 1);
 405         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 406     }
 407
 408     if (clsid) {
 409         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 410         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 411     }
 412
 413     if (curver_progid) {
 414         res = register_key_defvalueA(progid_key, curver_keyname,
 415                                      curver_progid);
 416         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 417     }
 418
 419     if (extra) {
 420         HKEY extra_key;
 421
 422         res = RegCreateKeyExA(progid_key, extra, 0,
 423                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 424                               &extra_key, NULL);
 425         if (res == ERROR_SUCCESS)
 426             RegCloseKey(extra_key);
 427     }
 428
 429 error_close_progid_key:
 430     RegCloseKey(progid_key);
 431     return res;
 432 }
 433
 434 /***********************************************************************
 435  *              coclass list
 436  */
 437 static struct regsvr_coclass const coclass_list[] = {
 438     {   &CLSID_StdURLMoniker,
 439         "URL Moniker",
 440         NULL,
 441         "urlmon.dll",
 442         "Apartment"
 443     },
 444     {   &CLSID_CdlProtocol,
 445         "CDL: Asynchronous Pluggable Protocol Handler",
 446         NULL,
 447         "urlmon.dll",
 448         "Apartment"
 449     },
 450     {   &CLSID_FileProtocol,
 451         "file:, local: Asynchronous Pluggable Protocol Handler",
 452         NULL,
 453         "urlmon.dll",
 454         "Apartment"
 455     },
 456     {   &CLSID_FtpProtocol,
 457         "ftp: Asynchronous Pluggable Protocol Handler",
 458         NULL,
 459         "urlmon.dll",
 460         "Apartment"
 461     },
 462     {   &CLSID_GopherProtocol,
 463         "gopher: Asynchronous Pluggable Protocol Handler",
 464         NULL,
 465         "urlmon.dll",
 466         "Apartment"
 467     },
 468     {   &CLSID_HttpProtocol,
 469         "http: Asynchronous Pluggable Protocol Handler",
 470         NULL,
 471         "urlmon.dll",
 472         "Apartment"
 473     },
 474     {   &CLSID_HttpSProtocol,
 475         "https: Asynchronous Pluggable Protocol Handler",
 476         NULL,
 477         "urlmon.dll",
 478         "Apartment"
 479     },
 480     {   &CLSID_MkProtocol,
 481         "mk: Asynchronous Pluggable Protocol Handler",
 482         NULL,
 483         "urlmon.dll",
 484         "Apartment"
 485     },
 486     {   &CLSID_InternetSecurityManager,
 487         "Security Manager",
 488         NULL,
 489         "urlmon.dll",
 490         "Both"
 491     },
 492     {   &CLSID_InternetZoneManager,
 493         "URL Zone Manager",
 494         NULL,
 495         "urlmon.dll",
 496         "Both"
 497     },
 498     {   &CLSID_PSFactoryBuffer,
 499         "URLMoniker ProxyStub Factory",
 500         NULL,
 501         "urlmon.dll",
 502         "Apartment"
 503     },
 504     { NULL }                    /* list terminator */
 505 };
 506
 507 /***********************************************************************
 508  *              interface list
 509  */
 510
 511 static struct regsvr_interface const interface_list[] = {
 512     { NULL }                    /* list terminator */
 513 };
 514
 515 /***********************************************************************
 516  *              register_inf
 517  */
 518
 519 #define INF_SET_CLSID(clsid)                  \
 520     do                                        \
 521     {                                         \
 522         static CHAR name[] = #clsid;          \
 523                                               \
 524         pse[i].pszName = name;                \
 525         clsids[i++] = &clsid;                 \
 526     } while (0)
 527
 528 static HRESULT register_inf(BOOL doregister)
 529 {
 530     HRESULT hres;
 531     HMODULE hAdvpack;
 532     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
 533     STRTABLEA strtable;
 534     STRENTRYA pse[8];
 535     static CLSID const *clsids[8];
 536     unsigned int i = 0;
 537
 538     static const WCHAR wszAdvpack[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 539
 540     INF_SET_CLSID(CLSID_CdlProtocol);
 541     INF_SET_CLSID(CLSID_FileProtocol);
 542     INF_SET_CLSID(CLSID_FtpProtocol);
 543     INF_SET_CLSID(CLSID_GopherProtocol);
 544     INF_SET_CLSID(CLSID_HttpProtocol);
 545     INF_SET_CLSID(CLSID_HttpSProtocol);
 546     INF_SET_CLSID(CLSID_MkProtocol);
 547     INF_SET_CLSID(CLSID_DeCompMimeFilter);
 548
 549     for(i = 0; i < sizeof(pse)/sizeof(pse[0]); i++) {
 550         pse[i].pszValue = heap_alloc(39);
 551         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 552                 clsids[i]->Data1, clsids[i]->Data2, clsids[i]->Data3, clsids[i]->Data4[0],
 553                 clsids[i]->Data4[1], clsids[i]->Data4[2], clsids[i]->Data4[3], clsids[i]->Data4[4],
 554                 clsids[i]->Data4[5], clsids[i]->Data4[6], clsids[i]->Data4[7]);
 555     }
 556
 557     strtable.cEntries = sizeof(pse)/sizeof(pse[0]);
 558     strtable.pse = pse;
 559
 560     hAdvpack = LoadLibraryW(wszAdvpack);
 561     pRegInstall = (void *)GetProcAddress(hAdvpack, "RegInstall");
 562
 563     hres = pRegInstall(hProxyDll, doregister ? "RegisterDll" : "UnregisterDll", &strtable);
 564
 565     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++)
 566         heap_free(pse[i].pszValue);
 567
 568     return hres;
 569 }
 570
 571 #undef INF_SET_CLSID
 572
 573 /***********************************************************************
 574  *              DllRegisterServer (URLMON.@)
 575  */
 576 HRESULT WINAPI DllRegisterServer(void)
 577 {
 578     HRESULT hr;
 579
 580     TRACE("\n");
 581
 582     hr = URLMON_DllRegisterServer();
 583     if(SUCCEEDED(hr))
 584         hr = register_coclasses(coclass_list);
 585     if(SUCCEEDED(hr))
 586         hr = register_interfaces(interface_list);
 587     if(SUCCEEDED(hr))
 588         hr = register_inf(TRUE);
 589     return hr;
 590 }
 591
 592 /***********************************************************************
 593  *              DllUnregisterServer (URLMON.@)
 594  */
 595 HRESULT WINAPI DllUnregisterServer(void)
 596 {
 597     HRESULT hr;
 598
 599     TRACE("\n");
 600
 601     hr = URLMON_DllUnregisterServer();
 602     if(SUCCEEDED(hr))
 603         hr = unregister_coclasses(coclass_list);
 604     if(SUCCEEDED(hr))
 605         hr = unregister_interfaces(interface_list);
 606     if(SUCCEEDED(hr))
 607         hr = register_inf(FALSE);
 608     return hr;
 609 }