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     LPCSTR dllversion;          /* can be NULL to omit */
  83 };
  84
  85 /* flags for regsvr_coclass.flags */
  86 #define PROGID_CLSID                  0x00000010
  87
  88 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  89 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  90
  91 /***********************************************************************
  92  *              static string constants
  93  */
  94 static WCHAR const interface_keyname[10] = {
  95     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
  96 static WCHAR const base_ifa_keyname[14] = {
  97     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
  98     'e', 0 };
  99 static WCHAR const num_methods_keyname[11] = {
 100     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
 101 static WCHAR const ps_clsid_keyname[15] = {
 102     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 103     'i', 'd', 0 };
 104 static WCHAR const ps_clsid32_keyname[17] = {
 105     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 106     'i', 'd', '3', '2', 0 };
 107 static WCHAR const clsid_keyname[6] = {
 108     'C', 'L', 'S', 'I', 'D', 0 };
 109 static WCHAR const curver_keyname[7] = {
 110     'C', 'u', 'r', 'V', 'e', 'r', 0 };
 111 static WCHAR const iph32_keyname[] = {
 112     'I', 'n', 'P', 'r', 'o', 'c', 'H', 'a', 'n', 'd', 'l', 'e', 'r',
 113     '3', '2', 0 };
 114 static WCHAR const ips_keyname[13] = {
 115     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 116     0 };
 117 static WCHAR const ips32_keyname[15] = {
 118     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 119     '3', '2', 0 };
 120 static WCHAR const progid_keyname[7] = {
 121     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 122 static WCHAR const viprogid_keyname[25] = {
 123     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
 124     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
 125     0 };
 126 static WCHAR const dllversion_keyname[11] = {
 127     'D', 'l', 'l', 'V', 'e', 'r', 's', 'i', 'o', 'n', 0 };
 128 static char const tmodel_valuename[] = "ThreadingModel";
 129
 130 /***********************************************************************
 131  *              static helper functions
 132  */
 133 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 134 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 135                                    WCHAR const *value);
 136 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 137                                    char const *value);
 138 static LONG register_progid(WCHAR const *clsid,
 139                             char const *progid, char const *curver_progid,
 140                             char const *name, char const *extra);
 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 = RegDeleteTreeW(interface_key, buf);
 228         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 229     }
 230
 231     RegCloseKey(interface_key);
 232 error_return:
 233     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 234 }
 235
 236 /***********************************************************************
 237  *              register_coclasses
 238  */
 239 static HRESULT register_coclasses(struct regsvr_coclass const *list) {
 240     LONG res = ERROR_SUCCESS;
 241     HKEY coclass_key;
 242
 243     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 244                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 245     if (res != ERROR_SUCCESS) goto error_return;
 246
 247     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 248         WCHAR buf[39];
 249         HKEY clsid_key;
 250
 251         StringFromGUID2(list->clsid, buf, 39);
 252         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 253                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 254         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 255
 256         if (list->name) {
 257             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 258                                  (CONST BYTE*)(list->name),
 259                                  strlen(list->name) + 1);
 260             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 261         }
 262
 263         if (list->iph32) {
 264             HKEY iph32_key;
 265
 266             res = RegCreateKeyExW(clsid_key, iph32_keyname, 0, NULL, 0,
 267                                   KEY_READ | KEY_WRITE, NULL,
 268                                   &iph32_key, NULL);
 269             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 270
 271             res = RegSetValueExA(iph32_key, NULL, 0, REG_SZ,
 272                                  (CONST BYTE*)list->iph32,
 273                                  lstrlenA(list->iph32) + 1);
 274             RegCloseKey(iph32_key);
 275             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 276         }
 277
 278         if (list->ips) {
 279             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 280             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 281         }
 282
 283         if (list->ips32) {
 284             HKEY ips32_key;
 285
 286             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 287                                   KEY_READ | KEY_WRITE, NULL,
 288                                   &ips32_key, NULL);
 289             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 290
 291             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 292                                  (CONST BYTE*)list->ips32,
 293                                  lstrlenA(list->ips32) + 1);
 294             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 295                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 296                                      (CONST BYTE*)list->ips32_tmodel,
 297                                      strlen(list->ips32_tmodel) + 1);
 298             RegCloseKey(ips32_key);
 299             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 300         }
 301
 302         if (list->progid) {
 303             res = register_key_defvalueA(clsid_key, progid_keyname,
 304                                          list->progid);
 305             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 306
 307             res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
 308                                   list->progid, NULL,
 309                                   list->name, list->progid_extra);
 310             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 311         }
 312
 313         if (list->viprogid) {
 314             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 315                                          list->viprogid);
 316             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 317
 318             res = register_progid(list->flags & PROGID_CLSID ? buf : NULL,
 319                                   list->viprogid, list->progid,
 320                                   list->name, list->progid_extra);
 321             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 322         }
 323
 324         if (list->dllversion) {
 325             HKEY dllver_key;
 326
 327             res = RegCreateKeyExW(clsid_key, dllversion_keyname, 0, NULL, 0,
 328                                   KEY_READ | KEY_WRITE, NULL,
 329                                   &dllver_key, NULL);
 330             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 331
 332             res = RegSetValueExA(dllver_key, NULL, 0, REG_SZ,
 333                                  (CONST BYTE*)list->dllversion,
 334                                  lstrlenA(list->dllversion) + 1);
 335             RegCloseKey(dllver_key);
 336             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 337         }
 338
 339
 340     error_close_clsid_key:
 341         RegCloseKey(clsid_key);
 342     }
 343
 344 error_close_coclass_key:
 345     RegCloseKey(coclass_key);
 346 error_return:
 347     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 348 }
 349
 350 /***********************************************************************
 351  *              unregister_coclasses
 352  */
 353 static HRESULT unregister_coclasses(struct regsvr_coclass const *list) {
 354     LONG res = ERROR_SUCCESS;
 355     HKEY coclass_key;
 356
 357     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 358                         KEY_READ | KEY_WRITE, &coclass_key);
 359     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 360     if (res != ERROR_SUCCESS) goto error_return;
 361
 362     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 363         WCHAR buf[39];
 364
 365         StringFromGUID2(list->clsid, buf, 39);
 366         res = RegDeleteTreeW(coclass_key, buf);
 367         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 368         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 369
 370         if (list->progid) {
 371             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->progid);
 372             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 373             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 374         }
 375
 376         if (list->viprogid) {
 377             res = RegDeleteTreeA(HKEY_CLASSES_ROOT, list->viprogid);
 378             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 379             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 380         }
 381     }
 382
 383 error_close_coclass_key:
 384     RegCloseKey(coclass_key);
 385 error_return:
 386     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 387 }
 388
 389 /***********************************************************************
 390  *              regsvr_key_guid
 391  */
 392 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid) {
 393     WCHAR buf[39];
 394
 395     StringFromGUID2(guid, buf, 39);
 396     return register_key_defvalueW(base, name, buf);
 397 }
 398
 399 /***********************************************************************
 400  *              regsvr_key_defvalueW
 401  */
 402 static LONG register_key_defvalueW(
 403     HKEY base,
 404     WCHAR const *name,
 405     WCHAR const *value) {
 406     LONG res;
 407     HKEY key;
 408
 409     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 410                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 411     if (res != ERROR_SUCCESS) return res;
 412     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 413                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 414     RegCloseKey(key);
 415     return res;
 416 }
 417
 418 /***********************************************************************
 419  *              regsvr_key_defvalueA
 420  */
 421 static LONG register_key_defvalueA(
 422     HKEY base,
 423     WCHAR const *name,
 424     char const *value) {
 425     LONG res;
 426     HKEY key;
 427
 428     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 429                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 430     if (res != ERROR_SUCCESS) return res;
 431     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 432                          lstrlenA(value) + 1);
 433     RegCloseKey(key);
 434     return res;
 435 }
 436
 437 /***********************************************************************
 438  *              regsvr_progid
 439  */
 440 static LONG register_progid(
 441     WCHAR const *clsid,
 442     char const *progid,
 443     char const *curver_progid,
 444     char const *name,
 445     char const *extra) {
 446     LONG res;
 447     HKEY progid_key;
 448
 449     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 450                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 451                           &progid_key, NULL);
 452     if (res != ERROR_SUCCESS) return res;
 453
 454     if (name) {
 455         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 456                              (CONST BYTE*)name, strlen(name) + 1);
 457         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 458     }
 459
 460     if (clsid) {
 461         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 462         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 463     }
 464
 465     if (curver_progid) {
 466         res = register_key_defvalueA(progid_key, curver_keyname,
 467                                      curver_progid);
 468         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 469     }
 470
 471     if (extra) {
 472         HKEY extra_key;
 473
 474         res = RegCreateKeyExA(progid_key, extra, 0,
 475                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 476                               &extra_key, NULL);
 477         if (res == ERROR_SUCCESS)
 478             RegCloseKey(extra_key);
 479     }
 480
 481 error_close_progid_key:
 482     RegCloseKey(progid_key);
 483     return res;
 484 }
 485
 486 /***********************************************************************
 487  *              coclass list
 488  */
 489 static struct regsvr_coclass const coclass_list[] = {
 490     {
 491         &CLSID_IMsiServer,
 492         "Msi install server",
 493         "ole32.dll",
 494         NULL,
 495         "msi.dll",
 496         "Apartment",
 497         PROGID_CLSID,
 498         "IMsiServer",
 499         NULL,
 500         NULL,
 501         NULL
 502     },
 503     {
 504         &CLSID_IMsiServerMessage,
 505         "Wine Installer Message RPC",
 506         NULL,
 507         NULL,
 508         "msi.dll",
 509         NULL,
 510         PROGID_CLSID,
 511         "WindowsInstaller.Message",
 512         NULL,
 513         NULL,
 514         "3.1.4000"
 515     },
 516     {
 517         &CLSID_IMsiServerX1,
 518         "Msi install server",
 519         "ole32.dll",
 520         NULL,
 521         "msi.dll",
 522         "Apartment",
 523         0,
 524         "WindowsInstaller.Installer",
 525         NULL,
 526         NULL,
 527         NULL
 528     },
 529     {
 530         &CLSID_IMsiServerX2,
 531         "Msi install server",
 532         "ole32.dll",
 533         NULL,
 534         "msi.dll",
 535         "Apartment",
 536         PROGID_CLSID,
 537         "WindowsInstaller.Installer",
 538         NULL,
 539         NULL,
 540         NULL
 541     },
 542     {
 543         &CLSID_IMsiServerX3,
 544         "Msi install server",
 545         "ole32.dll",
 546         NULL,
 547         "msi.dll",
 548         "Apartment",
 549         0,
 550         "WindowsInstaller.Installer",
 551         NULL,
 552         NULL,
 553         NULL
 554     },
 555     { NULL }                    /* list terminator */
 556 };
 557
 558 /***********************************************************************
 559  *              interface list
 560  */
 561 /*
 562  * we should declare: (@see ole32/regsvr.c for examples)
 563  [-HKEY_CLASSES_ROOT\Interface\{000C101D-0000-0000-C000-000000000046}]
 564  [-HKEY_CLASSES_ROOT\Interface\{000C1025-0000-0000-C000-000000000046}]
 565  [-HKEY_CLASSES_ROOT\Interface\{000C1033-0000-0000-C000-000000000046}]
 566  [-HKEY_CLASSES_ROOT\Interface\{000C1090-0000-0000-C000-000000000046}]
 567  [-HKEY_CLASSES_ROOT\Interface\{000C1093-0000-0000-C000-000000000046}]
 568  [-HKEY_CLASSES_ROOT\Interface\{000C1095-0000-0000-C000-000000000046}]
 569  [-HKEY_CLASSES_ROOT\Interface\{000C109A-0000-0000-C000-000000000046}]
 570  [-HKEY_CLASSES_ROOT\Interface\{000C109B-0000-0000-C000-000000000046}]
 571  [-HKEY_CLASSES_ROOT\Interface\{000C109C-0000-0000-C000-000000000046}]
 572  [-HKEY_CLASSES_ROOT\Interface\{000C109D-0000-0000-C000-000000000046}]
 573  [-HKEY_CLASSES_ROOT\Interface\{000C109E-0000-0000-C000-000000000046}]
 574  [-HKEY_CLASSES_ROOT\Interface\{000C109F-0000-0000-C000-000000000046}]
 575 */
 576
 577 static struct regsvr_interface const interface_list[] = {
 578     { &CLSID_IMsiServer,
 579       "IMsiServer",
 580       NULL,
 581       18,
 582       NULL,
 583       NULL },
 584     { NULL } /* list terminator */
 585 };
 586
 587 static HRESULT register_msiexec(void)
 588 {
 589     static const WCHAR key[] = {
 590         'S','o','f','t','w','a','r','e',
 591         '\\','M','i','c','r','o','s','o','f','t',
 592         '\\','W','i','n','d','o','w','s',
 593         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 594         '\\','I','n','s','t','a','l','l','e','r',0 };
 595     static const WCHAR val[] = {
 596         'I','n','s','t','a','l','l','e','r','L','o','c','a','t','i','o','n',0 };
 597     WCHAR path[MAX_PATH];
 598     HKEY hkey;
 599     LONG res;
 600     INT len;
 601
 602     len = GetSystemDirectoryW(path, MAX_PATH);
 603     if (!len || len > MAX_PATH)
 604         return E_FAIL;
 605
 606     res = RegCreateKeyExW(HKEY_LOCAL_MACHINE, key, 0,
 607                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 608                           &hkey, NULL);
 609     if (res != ERROR_SUCCESS)
 610         return E_FAIL;
 611
 612     res = RegSetValueExW(hkey, val, 0, REG_SZ,
 613                          (BYTE*)path, (len + 1)*sizeof(WCHAR));
 614
 615     RegCloseKey(hkey);
 616
 617     return (res == ERROR_SUCCESS) ? S_OK : E_FAIL;
 618 }
 619
 620 /***********************************************************************
 621  *              DllRegisterServer (MSI.@)
 622  */
 623 HRESULT WINAPI DllRegisterServer(void)
 624 {
 625     LPWSTR path = NULL;
 626     ITypeLib *tl;
 627     HRESULT hr;
 628
 629     TRACE("\n");
 630
 631     hr = register_coclasses(coclass_list);
 632     if (SUCCEEDED(hr))
 633         hr = register_interfaces(interface_list);
 634     if (SUCCEEDED(hr))
 635         hr = register_msiexec();
 636
 637     tl = get_msi_typelib( &path );
 638     if (tl)
 639     {
 640         hr = RegisterTypeLib( tl, path, NULL );
 641         ITypeLib_Release( tl );
 642     }
 643     else
 644         hr = E_FAIL;
 645
 646     return hr;
 647 }
 648
 649 /***********************************************************************
 650  *              DllUnregisterServer (MSI.@)
 651  */
 652 HRESULT WINAPI DllUnregisterServer(void)
 653 {
 654     HRESULT hr;
 655
 656     TRACE("\n");
 657
 658     hr = unregister_coclasses(coclass_list);
 659     if (SUCCEEDED(hr))
 660         hr = unregister_interfaces(interface_list);
 661     return hr;
 662 }