reactos/dll/win32/msi/regsvr.c

   1 /*
   2  *      self-registerable dll functions for msi.dll
   3  *
   4  * Copyright (C) 2004 Raphael Junqueira
   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 #define COBJMACROS
  22
  23 #include "config.h"
  24
  25 #include <stdarg.h>
  26 #include <string.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "winerror.h"
  33
  34 #include "ole2.h"
  35 #include "olectl.h"
  36 #include "oleauto.h"
  37
  38 #include "wine/debug.h"
  39 #include "wine/unicode.h"
  40
  41 #include "msi.h"
  42 #include "initguid.h"
  43 #include "msipriv.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  46
  47 /*
  48  * Near the bottom of this file are the exported DllRegisterServer and
  49  * DllUnregisterServer, which make all this worthwhile.
  50  */
  51
  52 /***********************************************************************
  53  *              interface for self-registering
  54  */
  55 struct regsvr_interface {
  56     IID const *iid;             /* NULL for end of list */
  57     LPCSTR name;                /* can be NULL to omit */
  58     IID const *base_iid;        /* can be NULL to omit */
  59     int num_methods;            /* can be <0 to omit */
  60     CLSID const *ps_clsid;      /* can be NULL to omit */
  61     CLSID const *ps_clsid32;    /* can be NULL to omit */
  62 };
  63
  64 static HRESULT register_interfaces(struct regsvr_interface const *list);
  65 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  66
  67 /**
  68  * @todo: maybe adding typelibs support here
  69  * [Software\\Classes\\CLSID\\{000C1090-0000-0000-C000-000000000046}\\TypeLib] 1080380217
  70  * @="{000C1092-0000-0000-C000-000000000046}"
  71  */
  72 struct regsvr_coclass {
  73     CLSID const *clsid;         /* NULL for end of list */
  74     LPCSTR name;                /* can be NULL to omit */
  75     LPCSTR iph32;               /* can be NULL to omit */
  76     LPCSTR ips;                 /* can be NULL to omit */
  77     LPCSTR ips32;               /* can be NULL to omit */
  78     LPCSTR ips32_tmodel;        /* can be NULL to omit, if apartment, iph32 must be set */
  79     DWORD flags;
  80     LPCSTR progid;              /* can be NULL to omit */
  81     LPCSTR viprogid;            /* can be NULL to omit */
  82     LPCSTR progid_extra;        /* can be NULL to omit */
  83     LPCSTR dllversion;          /* can be NULL to omit */
  84 };
  85
  86 /* flags for regsvr_coclass.flags */
  87 #define PROGID_CLSID                  0x00000010
  88
  89 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  90 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  91
  92 /***********************************************************************
  93  *              static string constants
  94  */
  95 static WCHAR const interface_keyname[10] = {
  96     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  97 static WCHAR const base_ifa_keyname[14] = {
  98     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  99     'e', 0 };
 100 static WCHAR const num_methods_keyname[11] = {
 101     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
 102 static WCHAR const ps_clsid_keyname[15] = {
 103     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 104     'i', 'd', 0 };
 105 static WCHAR const ps_clsid32_keyname[17] = {
 106     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 107     'i', 'd', '3', '2', 0 };
 108 static WCHAR const clsid_keyname[6] = {
 109     'C', 'L', 'S', 'I', 'D', 0 };
 110 static WCHAR const curver_keyname[7] = {
 111     'C', 'u', 'r', 'V', 'e', 'r', 0 };
 112 static WCHAR const iph32_keyname[] = {
 113     'I', 'n', 'P', 'r', 'o', 'c', 'H', 'a', 'n', 'd', 'l', 'e', 'r',
 114     '3', '2', 0 };
 115 static WCHAR const ips_keyname[13] = {
 116     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 117     0 };
 118 static WCHAR const ips32_keyname[15] = {
 119     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 120     '3', '2', 0 };
 121 static WCHAR const progid_keyname[7] = {
 122     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 123 static WCHAR const viprogid_keyname[25] = {
 124     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
 125     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
 126     0 };
 127 static WCHAR const dllversion_keyname[11] = {
 128     'D', 'l', 'l', 'V', 'e', 'r', 's', 'i', 'o', 'n', 0 };
 129 static char const tmodel_valuename[] = "ThreadingModel";
 130
 131 /***********************************************************************
 132  *              static helper functions
 133  */
 134 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 135 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 136                                    WCHAR const *value);
 137 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 138                                    char const *value);
 139 static LONG register_progid(WCHAR const *clsid,
 140                             char const *progid, char const *curver_progid,
 141                             char const *name, char const *extra);
 142
 143 /***********************************************************************
 144  *              register_interfaces
 145  */
 146 static HRESULT register_interfaces(struct regsvr_interface const *list) {
 147     LONG res = ERROR_SUCCESS;
 148     HKEY interface_key;
 149
 150     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 151                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 152     if (res != ERROR_SUCCESS) goto error_return;
 153
 154     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 155         WCHAR buf[39];
 156         HKEY iid_key;
 157
 158         StringFromGUID2(list->iid, buf, 39);
 159         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 160                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 161         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 162
 163         if (list->name) {
 164             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 165                                  (CONST BYTE*)(list->name),
 166                                  strlen(list->name) + 1);
 167             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 168         }
 169
 170         if (list->base_iid) {
 171             res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 172             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 173         }
 174
 175         if (0 <= list->num_methods) {
 176             static WCHAR const fmt[3] = { '%', 'd', 0 };
 177             HKEY key;
 178
 179             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 180                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 181             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 182
 183             sprintfW(buf, fmt, list->num_methods);
 184             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 185                                  (CONST BYTE*)buf,
 186                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 187             RegCloseKey(key);
 188
 189             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 190         }
 191
 192         if (list->ps_clsid) {
 193             res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 194             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 195         }
 196
 197         if (list->ps_clsid32) {
 198             res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 199             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 200         }
 201
 202     error_close_iid_key:
 203         RegCloseKey(iid_key);
 204     }
 205
 206 error_close_interface_key:
 207     RegCloseKey(interface_key);
 208 error_return:
 209     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 210 }
 211
 212 /***********************************************************************
 213  *              unregister_interfaces
 214  */
 215 static HRESULT unregister_interfaces(struct regsvr_interface const *list) {
 216     LONG res = ERROR_SUCCESS;
 217     HKEY interface_key;
 218
 219     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 220                         KEY_READ | KEY_WRITE, &interface_key);
 221     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 222     if (res != ERROR_SUCCESS) goto error_return;
 223
 224     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 225         WCHAR buf[39];
 226
 227         StringFromGUID2(list->iid, buf, 39);
 228         res = RegDeleteTreeW(interface_key, buf);
 229         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 230     }
 231
 232     RegCloseKey(interface_key);
 233 error_return:
 234     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 235 }
 236
 237 /***********************************************************************
 238  *              register_coclasses
 239  */
 240 static HRESULT register_coclasses(struct regsvr_coclass const *list) {
 241     LONG res = ERROR_SUCCESS;
 242     HKEY coclass_key;
 243
 244     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 245                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 246     if (res != ERROR_SUCCESS) goto error_return;
 247
 248     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 249         WCHAR buf[39];
 250         HKEY clsid_key;
 251
 252         StringFromGUID2(list->clsid, buf, 39);
 253         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 254                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 255         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 256
 257         if (list->name) {
 258             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 259                                  (CONST BYTE*)(list->name),
 260                                  strlen(list->name) + 1);
 261             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 262         }
 263
 264         if (list->iph32) {
 265             HKEY iph32_key;
 266
 267             res = RegCreateKeyExW(clsid_key, iph32_keyname, 0, NULL, 0,
 268                                   KEY_READ | KEY_WRITE, NULL,
 269                                   &iph32_key, NULL);
 270             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 271
 272             res = RegSetValueExA(iph32_key, NULL, 0, REG_SZ,
 273                                  (CONST BYTE*)list->iph32,
 274                                  lstrlenA(list->iph32) + 1);
 275             RegCloseKey(iph32_key);
 276             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 277         }
 278
 279         if (list->ips) {
 280             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 281             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 282         }
 283
 284         if (list->ips32) {
 285             HKEY ips32_key;
 286
 287             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 288                                   KEY_READ | KEY_WRITE, NULL,
 289                                   &ips32_key, NULL);
 290             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 291
 292             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 293                                  (CONST BYTE*)list->ips32,
 294                                  lstrlenA(list->ips32) + 1);
 295             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 296                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 297                                      (CONST BYTE*)list->ips32_tmodel,
 298                                      strlen(list->ips32_tmodel) + 1);
 299             RegCloseKey(ips32_key);
 300             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 301         }
 302
 303         if (list->progid) {
 304             res = register_key_defvalueA(clsid_key, progid_keyname,
 305                                          list->progid);
 306             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 307
 308             res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
 309                                   list->progid, NULL,
 310                                   list->name, list->progid_extra);
 311             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 312         }
 313
 314         if (list->viprogid) {
 315             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 316                                          list->viprogid);
 317             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 318
 319             res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
 320                                   list->viprogid, list->progid,
 321                                   list->name, list->progid_extra);
 322             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 323         }
 324
 325         if (list->dllversion) {
 326             HKEY dllver_key;
 327
 328             res = RegCreateKeyExW(clsid_key, dllversion_keyname, 0, NULL, 0,
 329                                   KEY_READ | KEY_WRITE, NULL,
 330                                   &dllver_key, NULL);
 331             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 332
 333             res = RegSetValueExA(dllver_key, NULL, 0, REG_SZ,
 334                                  (CONST BYTE*)list->dllversion,
 335                                  lstrlenA(list->dllversion) + 1);
 336             RegCloseKey(dllver_key);
 337             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 338         }
 339
 340
 341     error_close_clsid_key:
 342         RegCloseKey(clsid_key);
 343     }
 344
 345 error_close_coclass_key:
 346     RegCloseKey(coclass_key);
 347 error_return:
 348     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 349 }
 350
 351 /***********************************************************************
 352  *              unregister_coclasses
 353  */
 354 static HRESULT unregister_coclasses(struct regsvr_coclass const *list) {
 355     LONG res = ERROR_SUCCESS;
 356     HKEY coclass_key;
 357
 358     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 359                         KEY_READ | KEY_WRITE, &coclass_key);
 360     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 361     if (res != ERROR_SUCCESS) goto error_return;
 362
 363     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 364         WCHAR buf[39];
 365
 366         StringFromGUID2(list->clsid, buf, 39);
 367         res = RegDeleteTreeW(coclass_key, buf);
 368         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 369         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 370
 371         if (list->progid) {
 372             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
 373             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 374             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 375         }
 376
 377         if (list->viprogid) {
 378             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->viprogid);
 379             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 380             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 381         }
 382     }
 383
 384 error_close_coclass_key:
 385     RegCloseKey(coclass_key);
 386 error_return:
 387     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 388 }
 389
 390 /***********************************************************************
 391  *              regsvr_key_guid
 392  */
 393 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid) {
 394     WCHAR buf[39];
 395
 396     StringFromGUID2(guid, buf, 39);
 397     return register_key_defvalueW(base, name, buf);
 398 }
 399
 400 /***********************************************************************
 401  *              regsvr_key_defvalueW
 402  */
 403 static LONG register_key_defvalueW(
 404     HKEY base,
 405     WCHAR const *name,
 406     WCHAR const *value) {
 407     LONG res;
 408     HKEY key;
 409
 410     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 411                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 412     if (res != ERROR_SUCCESS) return res;
 413     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 414                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 415     RegCloseKey(key);
 416     return res;
 417 }
 418
 419 /***********************************************************************
 420  *              regsvr_key_defvalueA
 421  */
 422 static LONG register_key_defvalueA(
 423     HKEY base,
 424     WCHAR const *name,
 425     char const *value) {
 426     LONG res;
 427     HKEY key;
 428
 429     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 430                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 431     if (res != ERROR_SUCCESS) return res;
 432     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 433                          lstrlenA(value) + 1);
 434     RegCloseKey(key);
 435     return res;
 436 }
 437
 438 /***********************************************************************
 439  *              regsvr_progid
 440  */
 441 static LONG register_progid(
 442     WCHAR const *clsid,
 443     char const *progid,
 444     char const *curver_progid,
 445     char const *name,
 446     char const *extra) {
 447     LONG res;
 448     HKEY progid_key;
 449
 450     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 451                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 452                           &progid_key, NULL);
 453     if (res != ERROR_SUCCESS) return res;
 454
 455     if (name) {
 456         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 457                              (CONST BYTE*)name, strlen(name) + 1);
 458         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 459     }
 460
 461     if (clsid) {
 462         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 463         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 464     }
 465
 466     if (curver_progid) {
 467         res = register_key_defvalueA(progid_key, curver_keyname,
 468                                      curver_progid);
 469         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 470     }
 471
 472     if (extra) {
 473         HKEY extra_key;
 474
 475         res = RegCreateKeyExA(progid_key, extra, 0,
 476                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 477                               &extra_key, NULL);
 478         if (res == ERROR_SUCCESS)
 479             RegCloseKey(extra_key);
 480     }
 481
 482 error_close_progid_key:
 483     RegCloseKey(progid_key);
 484     return res;
 485 }
 486
 487 /***********************************************************************
 488  *              coclass list
 489  */
 490 static struct regsvr_coclass const coclass_list[] = {
 491     {
 492         &CLSID_IMsiServer,
 493         "Msi install server",
 494         "ole32.dll",
 495         NULL,
 496         "msi.dll",
 497         "Apartment",
 498         PROGID_CLSID,
 499         "IMsiServer",
 500         NULL,
 501         NULL,
 502         NULL
 503     },
 504     {
 505         &CLSID_IMsiServerMessage,
 506         "Wine Installer Message RPC",
 507         NULL,
 508         NULL,
 509         "msi.dll",
 510         NULL,
 511         PROGID_CLSID,
 512         "WindowsInstaller.Message",
 513         NULL,
 514         NULL,
 515         "3.1.4000"
 516     },
 517     {
 518         &CLSID_IMsiServerX1,
 519         "Msi install server",
 520         "ole32.dll",
 521         NULL,
 522         "msi.dll",
 523         "Apartment",
 524         0,
 525         "WindowsInstaller.Installer",
 526         NULL,
 527         NULL,
 528         NULL
 529     },
 530     {
 531         &CLSID_IMsiServerX2,
 532         "Msi install server",
 533         "ole32.dll",
 534         NULL,
 535         "msi.dll",
 536         "Apartment",
 537         PROGID_CLSID,
 538         "WindowsInstaller.Installer",
 539         NULL,
 540         NULL,
 541         NULL
 542     },
 543     {
 544         &CLSID_IMsiServerX3,
 545         "Msi install server",
 546         "ole32.dll",
 547         NULL,
 548         "msi.dll",
 549         "Apartment",
 550         0,
 551         "WindowsInstaller.Installer",
 552         NULL,
 553         NULL,
 554         NULL
 555     },
 556     { NULL }                    /* list terminator */
 557 };
 558
 559 /***********************************************************************
 560  *              interface list
 561  */
 562 /*
 563  * we should declare: (@see ole32/regsvr.c for examples)
 564  [-HKEY_CLASSES_ROOT\Interface\{000C101D-0000-0000-C000-000000000046}]
 565  [-HKEY_CLASSES_ROOT\Interface\{000C1025-0000-0000-C000-000000000046}]
 566  [-HKEY_CLASSES_ROOT\Interface\{000C1033-0000-0000-C000-000000000046}]
 567  [-HKEY_CLASSES_ROOT\Interface\{000C1090-0000-0000-C000-000000000046}]
 568  [-HKEY_CLASSES_ROOT\Interface\{000C1093-0000-0000-C000-000000000046}]
 569  [-HKEY_CLASSES_ROOT\Interface\{000C1095-0000-0000-C000-000000000046}]
 570  [-HKEY_CLASSES_ROOT\Interface\{000C109A-0000-0000-C000-000000000046}]
 571  [-HKEY_CLASSES_ROOT\Interface\{000C109B-0000-0000-C000-000000000046}]
 572  [-HKEY_CLASSES_ROOT\Interface\{000C109C-0000-0000-C000-000000000046}]
 573  [-HKEY_CLASSES_ROOT\Interface\{000C109D-0000-0000-C000-000000000046}]
 574  [-HKEY_CLASSES_ROOT\Interface\{000C109E-0000-0000-C000-000000000046}]
 575  [-HKEY_CLASSES_ROOT\Interface\{000C109F-0000-0000-C000-000000000046}]
 576 */
 577
 578 static struct regsvr_interface const interface_list[] = {
 579     { &CLSID_IMsiServer,
 580       "IMsiServer",
 581       NULL,
 582       18,
 583       NULL,
 584       NULL },
 585     { NULL } /* list terminator */
 586 };
 587
 588 static HRESULT register_msiexec(void)
 589 {
 590     static const WCHAR key[] = {
 591         'S','o','f','t','w','a','r','e',
 592         '\\','M','i','c','r','o','s','o','f','t',
 593         '\\','W','i','n','d','o','w','s',
 594         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 595         '\\','I','n','s','t','a','l','l','e','r',0 };
 596     static const WCHAR val[] = {
 597         'I','n','s','t','a','l','l','e','r','L','o','c','a','t','i','o','n',0 };
 598     WCHAR path[MAX_PATH];
 599     HKEY hkey;
 600     LONG res;
 601     INT len;
 602
 603     len = GetSystemDirectoryW(path, MAX_PATH);
 604     if (!len || len > MAX_PATH)
 605         return E_FAIL;
 606
 607     res = RegCreateKeyExW(HKEY_LOCAL_MACHINE, key, 0,
 608                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 609                           &hkey, NULL);
 610     if (res != ERROR_SUCCESS)
 611         return E_FAIL;
 612
 613     res = RegSetValueExW(hkey, val, 0, REG_SZ,
 614                          (BYTE*)path, (len + 1)*sizeof(WCHAR));
 615
 616     RegCloseKey(hkey);
 617
 618     return (res == ERROR_SUCCESS) ? S_OK : E_FAIL;
 619 }
 620
 621 /***********************************************************************
 622  *              DllRegisterServer (MSI.@)
 623  */
 624 HRESULT WINAPI DllRegisterServer(void)
 625 {
 626     LPWSTR path = NULL;
 627     ITypeLib *tl;
 628     HRESULT hr;
 629
 630     TRACE("\n");
 631
 632     hr = register_coclasses(coclass_list);
 633     if (SUCCEEDED(hr))
 634         hr = register_interfaces(interface_list);
 635     if (SUCCEEDED(hr))
 636         hr = register_msiexec();
 637
 638     tl = get_msi_typelib( &path );
 639     if (tl)
 640     {
 641         hr = RegisterTypeLib( tl, path, NULL );
 642         ITypeLib_Release( tl );
 643     }
 644     else
 645         hr = E_FAIL;
 646
 647     return hr;
 648 }
 649
 650 /***********************************************************************
 651  *              DllUnregisterServer (MSI.@)
 652  */
 653 HRESULT WINAPI DllUnregisterServer(void)
 654 {
 655     HRESULT hr;
 656
 657     TRACE("\n");
 658
 659     hr = unregister_coclasses(coclass_list);
 660     if (SUCCEEDED(hr))
 661         hr = unregister_interfaces(interface_list);
 662     return hr;
 663 }