dlls/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
  40 #include "msi.h"
  41 #include "initguid.h"
  42 #include "msipriv.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  45
  46 /*
  47  * Near the bottom of this file are the exported DllRegisterServer and
  48  * DllUnregisterServer, which make all this worthwhile.
  49  */
  50
  51 /***********************************************************************
  52  *              interface for self-registering
  53  */
  54 struct regsvr_interface {
  55     IID const *iid;             /* NULL for end of list */
  56     LPCSTR name;                /* can be NULL to omit */
  57     IID const *base_iid;        /* can be NULL to omit */
  58     int num_methods;            /* can be <0 to omit */
  59     CLSID const *ps_clsid;      /* can be NULL to omit */
  60     CLSID const *ps_clsid32;    /* can be NULL to omit */
  61 };
  62
  63 static HRESULT register_interfaces(struct regsvr_interface const *list);
  64 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  65
  66 /**
  67  * @todo: maybe adding typelibs support here
  68  * [Software\\Classes\\CLSID\\{000C1090-0000-0000-C000-000000000046}\\TypeLib] 1080380217
  69  * @="{000C1092-0000-0000-C000-000000000046}"
  70  */
  71 struct regsvr_coclass {
  72     CLSID const *clsid;         /* NULL for end of list */
  73     LPCSTR name;                /* can be NULL to omit */
  74     LPCSTR iph32;               /* can be NULL to omit */
  75     LPCSTR ips;                 /* can be NULL to omit */
  76     LPCSTR ips32;               /* can be NULL to omit */
  77     LPCSTR ips32_tmodel;        /* can be NULL to omit, if apartment, iph32 must be set */
  78     DWORD flags;
  79     LPCSTR progid;              /* can be NULL to omit */
  80     LPCSTR viprogid;            /* can be NULL to omit */
  81     LPCSTR progid_extra;        /* can be NULL to omit */
  82 };
  83
  84 /* flags for regsvr_coclass.flags */
  85 #define PROGID_CLSID                  0x00000010
  86
  87 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  88 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  89
  90 /***********************************************************************
  91  *              static string constants
  92  */
  93 static WCHAR const interface_keyname[10] = {
  94     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  95 static WCHAR const base_ifa_keyname[14] = {
  96     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  97     'e', 0 };
  98 static WCHAR const num_methods_keyname[11] = {
  99     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
 100 static WCHAR const ps_clsid_keyname[15] = {
 101     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 102     'i', 'd', 0 };
 103 static WCHAR const ps_clsid32_keyname[17] = {
 104     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 105     'i', 'd', '3', '2', 0 };
 106 static WCHAR const clsid_keyname[6] = {
 107     'C', 'L', 'S', 'I', 'D', 0 };
 108 static WCHAR const curver_keyname[7] = {
 109     'C', 'u', 'r', 'V', 'e', 'r', 0 };
 110 static WCHAR const iph32_keyname[] = {
 111     'I', 'n', 'P', 'r', 'o', 'c', 'H', 'a', 'n', 'd', 'l', 'e', 'r',
 112     '3', '2', 0 };
 113 static WCHAR const ips_keyname[13] = {
 114     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 115     0 };
 116 static WCHAR const ips32_keyname[15] = {
 117     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 118     '3', '2', 0 };
 119 static WCHAR const progid_keyname[7] = {
 120     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 121 static WCHAR const viprogid_keyname[25] = {
 122     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
 123     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
 124     0 };
 125 static char const tmodel_valuename[] = "ThreadingModel";
 126
 127 /***********************************************************************
 128  *              static helper functions
 129  */
 130 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 131 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 132                                    WCHAR const *value);
 133 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 134                                    char const *value);
 135 static LONG register_progid(WCHAR const *clsid,
 136                             char const *progid, char const *curver_progid,
 137                             char const *name, char const *extra);
 138 static LONG recursive_delete_key(HKEY key);
 139 static LONG recursive_delete_keyA(HKEY base, char const *name);
 140 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name);
 141
 142 /***********************************************************************
 143  *              register_interfaces
 144  */
 145 static HRESULT register_interfaces(struct regsvr_interface const *list) {
 146     LONG res = ERROR_SUCCESS;
 147     HKEY interface_key;
 148
 149     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 150                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 151     if (res != ERROR_SUCCESS) goto error_return;
 152
 153     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 154         WCHAR buf[39];
 155         HKEY iid_key;
 156
 157         StringFromGUID2(list->iid, buf, 39);
 158         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 159                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 160         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 161
 162         if (list->name) {
 163             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 164                                  (CONST BYTE*)(list->name),
 165                                  strlen(list->name) + 1);
 166             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 167         }
 168
 169         if (list->base_iid) {
 170             res = register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 171             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 172         }
 173
 174         if (0 <= list->num_methods) {
 175             static WCHAR const fmt[3] = { '%', 'd', 0 };
 176             HKEY key;
 177
 178             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 179                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 180             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 181
 182             wsprintfW(buf, fmt, list->num_methods);
 183             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 184                                  (CONST BYTE*)buf,
 185                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 186             RegCloseKey(key);
 187
 188             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 189         }
 190
 191         if (list->ps_clsid) {
 192             res = register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 193             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 194         }
 195
 196         if (list->ps_clsid32) {
 197             res = register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 198             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 199         }
 200
 201     error_close_iid_key:
 202         RegCloseKey(iid_key);
 203     }
 204
 205 error_close_interface_key:
 206     RegCloseKey(interface_key);
 207 error_return:
 208     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 209 }
 210
 211 /***********************************************************************
 212  *              unregister_interfaces
 213  */
 214 static HRESULT unregister_interfaces(struct regsvr_interface const *list) {
 215     LONG res = ERROR_SUCCESS;
 216     HKEY interface_key;
 217
 218     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 219                         KEY_READ | KEY_WRITE, &interface_key);
 220     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 221     if (res != ERROR_SUCCESS) goto error_return;
 222
 223     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 224         WCHAR buf[39];
 225
 226         StringFromGUID2(list->iid, buf, 39);
 227         res = recursive_delete_keyW(interface_key, buf);
 228     }
 229
 230     RegCloseKey(interface_key);
 231 error_return:
 232     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 233 }
 234
 235 /***********************************************************************
 236  *              register_coclasses
 237  */
 238 static HRESULT register_coclasses(struct regsvr_coclass const *list) {
 239     LONG res = ERROR_SUCCESS;
 240     HKEY coclass_key;
 241
 242     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 243                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 244     if (res != ERROR_SUCCESS) goto error_return;
 245
 246     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 247         WCHAR buf[39];
 248         HKEY clsid_key;
 249
 250         StringFromGUID2(list->clsid, buf, 39);
 251         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 252                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 253         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 254
 255         if (list->name) {
 256             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 257                                  (CONST BYTE*)(list->name),
 258                                  strlen(list->name) + 1);
 259             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 260         }
 261
 262         if (list->iph32) {
 263             HKEY iph32_key;
 264
 265             res = RegCreateKeyExW(clsid_key, iph32_keyname, 0, NULL, 0,
 266                                   KEY_READ | KEY_WRITE, NULL,
 267                                   &iph32_key, NULL);
 268             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 269
 270             res = RegSetValueExA(iph32_key, NULL, 0, REG_SZ,
 271                                  (CONST BYTE*)list->iph32,
 272                                  lstrlenA(list->iph32) + 1);
 273             RegCloseKey(iph32_key);
 274             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 275         }
 276
 277         if (list->ips) {
 278             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 279             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 280         }
 281
 282         if (list->ips32) {
 283             HKEY ips32_key;
 284
 285             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 286                                   KEY_READ | KEY_WRITE, NULL,
 287                                   &ips32_key, NULL);
 288             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 289
 290             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 291                                  (CONST BYTE*)list->ips32,
 292                                  lstrlenA(list->ips32) + 1);
 293             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 294                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 295                                      (CONST BYTE*)list->ips32_tmodel,
 296                                      strlen(list->ips32_tmodel) + 1);
 297             RegCloseKey(ips32_key);
 298             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 299         }
 300
 301         if (list->progid) {
 302             res = register_key_defvalueA(clsid_key, progid_keyname,
 303                                          list->progid);
 304             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 305
 306             res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
 307                                   list->progid, NULL,
 308                                   list->name, list->progid_extra);
 309             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 310         }
 311
 312         if (list->viprogid) {
 313             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 314                                          list->viprogid);
 315             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 316
 317             res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
 318                                   list->viprogid, list->progid,
 319                                   list->name, list->progid_extra);
 320             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 321         }
 322
 323     error_close_clsid_key:
 324         RegCloseKey(clsid_key);
 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  *              unregister_coclasses
 335  */
 336 static HRESULT unregister_coclasses(struct regsvr_coclass const *list) {
 337     LONG res = ERROR_SUCCESS;
 338     HKEY coclass_key;
 339
 340     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 341                         KEY_READ | KEY_WRITE, &coclass_key);
 342     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 343     if (res != ERROR_SUCCESS) goto error_return;
 344
 345     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 346         WCHAR buf[39];
 347
 348         StringFromGUID2(list->clsid, buf, 39);
 349         res = recursive_delete_keyW(coclass_key, buf);
 350         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 351
 352         if (list->progid) {
 353             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
 354             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 355         }
 356
 357         if (list->viprogid) {
 358             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->viprogid);
 359             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 360         }
 361     }
 362
 363 error_close_coclass_key:
 364     RegCloseKey(coclass_key);
 365 error_return:
 366     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 367 }
 368
 369 /***********************************************************************
 370  *              regsvr_key_guid
 371  */
 372 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid) {
 373     WCHAR buf[39];
 374
 375     StringFromGUID2(guid, buf, 39);
 376     return register_key_defvalueW(base, name, buf);
 377 }
 378
 379 /***********************************************************************
 380  *              regsvr_key_defvalueW
 381  */
 382 static LONG register_key_defvalueW(
 383     HKEY base,
 384     WCHAR const *name,
 385     WCHAR const *value) {
 386     LONG res;
 387     HKEY key;
 388
 389     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 390                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 391     if (res != ERROR_SUCCESS) return res;
 392     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 393                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 394     RegCloseKey(key);
 395     return res;
 396 }
 397
 398 /***********************************************************************
 399  *              regsvr_key_defvalueA
 400  */
 401 static LONG register_key_defvalueA(
 402     HKEY base,
 403     WCHAR const *name,
 404     char const *value) {
 405     LONG res;
 406     HKEY key;
 407
 408     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 409                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 410     if (res != ERROR_SUCCESS) return res;
 411     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 412                          lstrlenA(value) + 1);
 413     RegCloseKey(key);
 414     return res;
 415 }
 416
 417 /***********************************************************************
 418  *              regsvr_progid
 419  */
 420 static LONG register_progid(
 421     WCHAR const *clsid,
 422     char const *progid,
 423     char const *curver_progid,
 424     char const *name,
 425     char const *extra) {
 426     LONG res;
 427     HKEY progid_key;
 428
 429     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 430                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 431                           &progid_key, NULL);
 432     if (res != ERROR_SUCCESS) return res;
 433
 434     if (name) {
 435         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 436                              (CONST BYTE*)name, strlen(name) + 1);
 437         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 438     }
 439
 440     if (clsid) {
 441         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 442         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 443     }
 444
 445     if (curver_progid) {
 446         res = register_key_defvalueA(progid_key, curver_keyname,
 447                                      curver_progid);
 448         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 449     }
 450
 451     if (extra) {
 452         HKEY extra_key;
 453
 454         res = RegCreateKeyExA(progid_key, extra, 0,
 455                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 456                               &extra_key, NULL);
 457         if (res == ERROR_SUCCESS)
 458             RegCloseKey(extra_key);
 459     }
 460
 461 error_close_progid_key:
 462     RegCloseKey(progid_key);
 463     return res;
 464 }
 465
 466 /***********************************************************************
 467  *              recursive_delete_key
 468  */
 469 static LONG recursive_delete_key(HKEY key) {
 470     LONG res;
 471     WCHAR subkey_name[MAX_PATH];
 472     DWORD cName;
 473     HKEY subkey;
 474
 475     for (;;) {
 476         cName = sizeof(subkey_name) / sizeof(WCHAR);
 477         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 478                             NULL, NULL, NULL, NULL);
 479         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 480             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 481             break;
 482         }
 483         res = RegOpenKeyExW(key, subkey_name, 0,
 484                             KEY_READ | KEY_WRITE, &subkey);
 485         if (res == ERROR_FILE_NOT_FOUND) continue;
 486         if (res != ERROR_SUCCESS) break;
 487
 488         res = recursive_delete_key(subkey);
 489         RegCloseKey(subkey);
 490         if (res != ERROR_SUCCESS) break;
 491     }
 492
 493     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 494     return res;
 495 }
 496
 497 /***********************************************************************
 498  *              recursive_delete_keyA
 499  */
 500 static LONG recursive_delete_keyA(HKEY base, char const *name) {
 501     LONG res;
 502     HKEY key;
 503
 504     res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
 505     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 506     if (res != ERROR_SUCCESS) return res;
 507     res = recursive_delete_key(key);
 508     RegCloseKey(key);
 509     return res;
 510 }
 511
 512 /***********************************************************************
 513  *              recursive_delete_keyW
 514  */
 515 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name) {
 516     LONG res;
 517     HKEY key;
 518
 519     res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
 520     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 521     if (res != ERROR_SUCCESS) return res;
 522     res = recursive_delete_key(key);
 523     RegCloseKey(key);
 524     return res;
 525 }
 526
 527 /***********************************************************************
 528  *              coclass list
 529  */
 530 static struct regsvr_coclass const coclass_list[] = {
 531     {
 532         &CLSID_IMsiServer,
 533         "Msi install server",
 534         "ole32.dll",
 535         NULL,
 536         "msi.dll",
 537         "Apartment",
 538         PROGID_CLSID,
 539         "IMsiServer",
 540         NULL
 541     },
 542     {
 543         &CLSID_IMsiServerMessage,
 544         "Wine Installer Message RPC",
 545         NULL,
 546         NULL,
 547         "msi.dll",
 548         NULL,
 549         PROGID_CLSID,
 550         "WindowsInstaller.Message",
 551         NULL
 552     },
 553     {
 554         &CLSID_IMsiServerX1,
 555         "Msi install server",
 556         "ole32.dll",
 557         NULL,
 558         "msi.dll",
 559         "Apartment",
 560         0,
 561         "WindowsInstaller.Installer",
 562         NULL
 563     },
 564     {
 565         &CLSID_IMsiServerX2,
 566         "Msi install server",
 567         "ole32.dll",
 568         NULL,
 569         "msi.dll",
 570         "Apartment",
 571         PROGID_CLSID,
 572         "WindowsInstaller.Installer",
 573         NULL
 574     },
 575     {
 576         &CLSID_IMsiServerX3,
 577         "Msi install server",
 578         "ole32.dll",
 579         NULL,
 580         "msi.dll",
 581         "Apartment",
 582         0,
 583         "WindowsInstaller.Installer",
 584         NULL
 585     },
 586     { NULL }                    /* list terminator */
 587 };
 588
 589 /***********************************************************************
 590  *              interface list
 591  */
 592 /*
 593  * we should declare: (@see ole32/regsvr.c for examples)
 594  [-HKEY_CLASSES_ROOT\Interface\{000C101D-0000-0000-C000-000000000046}]
 595  [-HKEY_CLASSES_ROOT\Interface\{000C1025-0000-0000-C000-000000000046}]
 596  [-HKEY_CLASSES_ROOT\Interface\{000C1033-0000-0000-C000-000000000046}]
 597  [-HKEY_CLASSES_ROOT\Interface\{000C1090-0000-0000-C000-000000000046}]
 598  [-HKEY_CLASSES_ROOT\Interface\{000C1093-0000-0000-C000-000000000046}]
 599  [-HKEY_CLASSES_ROOT\Interface\{000C1095-0000-0000-C000-000000000046}]
 600  [-HKEY_CLASSES_ROOT\Interface\{000C109A-0000-0000-C000-000000000046}]
 601  [-HKEY_CLASSES_ROOT\Interface\{000C109B-0000-0000-C000-000000000046}]
 602  [-HKEY_CLASSES_ROOT\Interface\{000C109C-0000-0000-C000-000000000046}]
 603  [-HKEY_CLASSES_ROOT\Interface\{000C109D-0000-0000-C000-000000000046}]
 604  [-HKEY_CLASSES_ROOT\Interface\{000C109E-0000-0000-C000-000000000046}]
 605  [-HKEY_CLASSES_ROOT\Interface\{000C109F-0000-0000-C000-000000000046}]
 606 */
 607
 608 static struct regsvr_interface const interface_list[] = {
 609     { &CLSID_IMsiServer,
 610       "IMsiServer",
 611       NULL,
 612       18,
 613       NULL,
 614       NULL },
 615     { NULL } /* list terminator */
 616 };
 617
 618 static HRESULT register_msiexec(void)
 619 {
 620     static const WCHAR key[] = {
 621         'S','o','f','t','w','a','r','e',
 622         '\\','M','i','c','r','o','s','o','f','t',
 623         '\\','W','i','n','d','o','w','s',
 624         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 625         '\\','I','n','s','t','a','l','l','e','r',0 };
 626     static const WCHAR val[] = {
 627         'I','n','s','t','a','l','l','e','r','L','o','c','a','t','i','o','n',0 };
 628     WCHAR path[MAX_PATH];
 629     HKEY hkey;
 630     LONG res;
 631     INT len;
 632
 633     len = GetSystemDirectoryW(path, MAX_PATH);
 634     if (!len || len > MAX_PATH)
 635         return E_FAIL;
 636
 637     res = RegCreateKeyExW(HKEY_LOCAL_MACHINE, key, 0,
 638                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 639                           &hkey, NULL);
 640     if (res != ERROR_SUCCESS)
 641         return E_FAIL;
 642
 643     res = RegSetValueExW(hkey, val, 0, REG_SZ,
 644                          (BYTE*)path, (len + 1)*sizeof(WCHAR));
 645
 646     RegCloseKey(hkey);
 647
 648     return (res == ERROR_SUCCESS) ? S_OK : E_FAIL;
 649 }
 650
 651 /***********************************************************************
 652  *              DllRegisterServer (MSI.@)
 653  */
 654 HRESULT WINAPI DllRegisterServer(void)
 655 {
 656     LPWSTR path = NULL;
 657     ITypeLib *tl;
 658     HRESULT hr;
 659
 660     TRACE("\n");
 661
 662     hr = register_coclasses(coclass_list);
 663     if (SUCCEEDED(hr))
 664         hr = register_interfaces(interface_list);
 665     if (SUCCEEDED(hr))
 666         hr = register_msiexec();
 667
 668     tl = get_msi_typelib( &path );
 669     if (tl)
 670     {
 671         hr = RegisterTypeLib( tl, path, NULL );
 672         ITypeLib_Release( tl );
 673     }
 674     else
 675         hr = E_FAIL;
 676
 677     return hr;
 678 }
 679
 680 /***********************************************************************
 681  *              DllUnregisterServer (MSI.@)
 682  */
 683 HRESULT WINAPI DllUnregisterServer(void)
 684 {
 685     HRESULT hr;
 686
 687     TRACE("\n");
 688
 689     hr = unregister_coclasses(coclass_list);
 690     if (SUCCEEDED(hr))
 691         hr = unregister_interfaces(interface_list);
 692     return hr;
 693 }