dlls/msi/install.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   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 /* Msi top level apis directly related to installs */
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winerror.h"
  28 #include "wine/debug.h"
  29 #include "msi.h"
  30 #include "msidefs.h"
  31 #include "msipriv.h"
  32 #include "wine/unicode.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  35
  36 /***********************************************************************
  37  * MsiDoActionA       (MSI.@)
  38  */
  39 UINT WINAPI MsiDoActionA( MSIHANDLE hInstall, LPCSTR szAction )
  40 {
  41     LPWSTR szwAction;
  42     UINT ret;
  43
  44     TRACE("%s\n", debugstr_a(szAction));
  45
  46     szwAction = strdupAtoW(szAction);
  47     if (szAction && !szwAction)
  48         return ERROR_FUNCTION_FAILED;
  49
  50     ret = MsiDoActionW( hInstall, szwAction );
  51     msi_free( szwAction );
  52     return ret;
  53 }
  54
  55 /***********************************************************************
  56  * MsiDoActionW       (MSI.@)
  57  */
  58 UINT WINAPI MsiDoActionW( MSIHANDLE hInstall, LPCWSTR szAction )
  59 {
  60     MSIPACKAGE *package;
  61     UINT ret;
  62
  63     TRACE("%s\n",debugstr_w(szAction));
  64
  65     if (!szAction)
  66         return ERROR_INVALID_PARAMETER;
  67
  68     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE );
  69     if (!package)
  70         return ERROR_INVALID_HANDLE;
  71
  72     ret = ACTION_PerformUIAction( package, szAction );
  73     msiobj_release( &package->hdr );
  74
  75     return ret;
  76 }
  77
  78 /***********************************************************************
  79  * MsiSequenceA       (MSI.@)
  80  */
  81 UINT WINAPI MsiSequenceA( MSIHANDLE hInstall, LPCSTR szTable, INT iSequenceMode )
  82 {
  83     LPWSTR szwTable;
  84     UINT ret;
  85
  86     TRACE("%s\n", debugstr_a(szTable));
  87
  88     szwTable = strdupAtoW(szTable);
  89     if (szTable && !szwTable)
  90         return ERROR_FUNCTION_FAILED;
  91
  92     ret = MsiSequenceW( hInstall, szwTable, iSequenceMode );
  93     msi_free( szwTable );
  94     return ret;
  95 }
  96
  97 /***********************************************************************
  98  * MsiSequenceW       (MSI.@)
  99  */
 100 UINT WINAPI MsiSequenceW( MSIHANDLE hInstall, LPCWSTR szTable, INT iSequenceMode )
 101 {
 102     MSIPACKAGE *package;
 103     UINT ret;
 104
 105     TRACE("%s\n", debugstr_w(szTable));
 106
 107     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE );
 108     if (!package)
 109         return ERROR_INVALID_HANDLE;
 110
 111     ret = MSI_Sequence( package, szTable, iSequenceMode );
 112     msiobj_release( &package->hdr );
 113
 114     return ret;
 115 }
 116
 117 UINT msi_strcpy_to_awstring( LPCWSTR str, awstring *awbuf, DWORD *sz )
 118 {
 119     UINT len, r = ERROR_SUCCESS;
 120
 121     if (awbuf->str.w && !sz )
 122         return ERROR_INVALID_PARAMETER;
 123
 124     if (!sz)
 125         return r;
 126
 127     if (awbuf->unicode)
 128     {
 129         len = lstrlenW( str );
 130         if (awbuf->str.w)
 131             lstrcpynW( awbuf->str.w, str, *sz );
 132     }
 133     else
 134     {
 135         len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
 136         if (len)
 137             len--;
 138         WideCharToMultiByte( CP_ACP, 0, str, -1, awbuf->str.a, *sz, NULL, NULL );
 139         if ( awbuf->str.a && *sz && (len >= *sz) )
 140             awbuf->str.a[*sz - 1] = 0;
 141     }
 142
 143     if (awbuf->str.w && len >= *sz)
 144         r = ERROR_MORE_DATA;
 145     *sz = len;
 146     return r;
 147 }
 148
 149 /***********************************************************************
 150  * MsiGetTargetPath   (internal)
 151  */
 152 static UINT WINAPI MSI_GetTargetPath( MSIHANDLE hInstall, LPCWSTR szFolder,
 153                                       awstring *szPathBuf, DWORD* pcchPathBuf )
 154 {
 155     MSIPACKAGE *package;
 156     LPWSTR path;
 157     UINT r;
 158
 159     if (!szFolder)
 160         return ERROR_INVALID_PARAMETER;
 161
 162     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE );
 163     if (!package)
 164         return ERROR_INVALID_HANDLE;
 165
 166     path = resolve_folder( package, szFolder, FALSE, FALSE, NULL );
 167     msiobj_release( &package->hdr );
 168
 169     if (!path)
 170         return ERROR_DIRECTORY;
 171
 172     r = msi_strcpy_to_awstring( path, szPathBuf, pcchPathBuf );
 173     msi_free( path );
 174     return r;
 175 }
 176
 177 /***********************************************************************
 178  * MsiGetTargetPathA        (MSI.@)
 179  */
 180 UINT WINAPI MsiGetTargetPathA( MSIHANDLE hInstall, LPCSTR szFolder,
 181                                LPSTR szPathBuf, DWORD* pcchPathBuf )
 182 {
 183     LPWSTR szwFolder;
 184     awstring path;
 185     UINT r;
 186
 187     TRACE("%s %p %p\n", debugstr_a(szFolder), szPathBuf, pcchPathBuf);
 188
 189     szwFolder = strdupAtoW(szFolder);
 190     if (szFolder && !szwFolder)
 191         return ERROR_FUNCTION_FAILED;
 192
 193     path.unicode = FALSE;
 194     path.str.a = szPathBuf;
 195
 196     r = MSI_GetTargetPath( hInstall, szwFolder, &path, pcchPathBuf );
 197
 198     msi_free( szwFolder );
 199
 200     return r;
 201 }
 202
 203 /***********************************************************************
 204  * MsiGetTargetPathW        (MSI.@)
 205  */
 206 UINT WINAPI MsiGetTargetPathW( MSIHANDLE hInstall, LPCWSTR szFolder,
 207                                LPWSTR szPathBuf, DWORD* pcchPathBuf )
 208 {
 209     awstring path;
 210
 211     TRACE("%s %p %p\n", debugstr_w(szFolder), szPathBuf, pcchPathBuf);
 212
 213     path.unicode = TRUE;
 214     path.str.w = szPathBuf;
 215
 216     return MSI_GetTargetPath( hInstall, szFolder, &path, pcchPathBuf );
 217 }
 218
 219 /***********************************************************************
 220  * MsiGetSourcePath   (internal)
 221  */
 222 static UINT MSI_GetSourcePath( MSIHANDLE hInstall, LPCWSTR szFolder,
 223                                awstring *szPathBuf, DWORD* pcchPathBuf )
 224 {
 225     MSIPACKAGE *package;
 226     LPWSTR path;
 227     UINT r;
 228
 229     TRACE("%s %p %p\n", debugstr_w(szFolder), szPathBuf, pcchPathBuf );
 230
 231     if (!szFolder)
 232         return ERROR_INVALID_PARAMETER;
 233
 234     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 235     if (!package)
 236         return ERROR_INVALID_HANDLE;
 237
 238     if (szPathBuf->str.w && !pcchPathBuf )
 239     {
 240         msiobj_release( &package->hdr );
 241         return ERROR_INVALID_PARAMETER;
 242     }
 243
 244     path = resolve_folder(package, szFolder, TRUE, FALSE, NULL);
 245     msiobj_release( &package->hdr );
 246
 247     TRACE("path = %s\n",debugstr_w(path));
 248     if (!path)
 249         return ERROR_DIRECTORY;
 250
 251     r = msi_strcpy_to_awstring( path, szPathBuf, pcchPathBuf );
 252     msi_free( path );
 253     return r;
 254 }
 255
 256 /***********************************************************************
 257  * MsiGetSourcePathA     (MSI.@)
 258  */
 259 UINT WINAPI MsiGetSourcePathA( MSIHANDLE hInstall, LPCSTR szFolder,
 260                                LPSTR szPathBuf, DWORD* pcchPathBuf )
 261 {
 262     LPWSTR folder;
 263     awstring str;
 264     UINT r;
 265
 266     TRACE("%s %p %p\n", szFolder, debugstr_a(szPathBuf), pcchPathBuf);
 267
 268     str.unicode = FALSE;
 269     str.str.a = szPathBuf;
 270
 271     folder = strdupAtoW( szFolder );
 272     r = MSI_GetSourcePath( hInstall, folder, &str, pcchPathBuf );
 273     msi_free( folder );
 274
 275     return r;
 276 }
 277
 278 /***********************************************************************
 279  * MsiGetSourcePathW     (MSI.@)
 280  */
 281 UINT WINAPI MsiGetSourcePathW( MSIHANDLE hInstall, LPCWSTR szFolder,
 282                                LPWSTR szPathBuf, DWORD* pcchPathBuf )
 283 {
 284     awstring str;
 285
 286     TRACE("%s %p %p\n", debugstr_w(szFolder), szPathBuf, pcchPathBuf );
 287
 288     str.unicode = TRUE;
 289     str.str.w = szPathBuf;
 290
 291     return MSI_GetSourcePath( hInstall, szFolder, &str, pcchPathBuf );
 292 }
 293
 294 /***********************************************************************
 295  * MsiSetTargetPathA  (MSI.@)
 296  */
 297 UINT WINAPI MsiSetTargetPathA( MSIHANDLE hInstall, LPCSTR szFolder,
 298                                LPCSTR szFolderPath )
 299 {
 300     LPWSTR szwFolder = NULL, szwFolderPath = NULL;
 301     UINT rc = ERROR_OUTOFMEMORY;
 302
 303     if ( !szFolder || !szFolderPath )
 304         return ERROR_INVALID_PARAMETER;
 305
 306     szwFolder = strdupAtoW(szFolder);
 307     szwFolderPath = strdupAtoW(szFolderPath);
 308     if (!szwFolder || !szwFolderPath)
 309         goto end;
 310
 311     rc = MsiSetTargetPathW( hInstall, szwFolder, szwFolderPath );
 312
 313 end:
 314     msi_free(szwFolder);
 315     msi_free(szwFolderPath);
 316
 317     return rc;
 318 }
 319
 320 /*
 321  * Ok my original interpretation of this was wrong. And it looks like msdn has
 322  * changed a bit also. The given folder path does not have to actually already
 323  * exist, it just cannot be read only and must be a legal folder path.
 324  */
 325 UINT MSI_SetTargetPathW(MSIPACKAGE *package, LPCWSTR szFolder,
 326                              LPCWSTR szFolderPath)
 327 {
 328     DWORD attrib;
 329     LPWSTR path = NULL;
 330     LPWSTR path2 = NULL;
 331     MSIFOLDER *folder;
 332     MSIFILE *file;
 333
 334     TRACE("%p %s %s\n",package, debugstr_w(szFolder),debugstr_w(szFolderPath));
 335
 336     attrib = GetFileAttributesW(szFolderPath);
 337     /* native MSI tests writeability by making temporary files at each drive */
 338     if ( attrib != INVALID_FILE_ATTRIBUTES &&
 339           (attrib & FILE_ATTRIBUTE_OFFLINE ||
 340            attrib & FILE_ATTRIBUTE_READONLY))
 341         return ERROR_FUNCTION_FAILED;
 342
 343     path = resolve_folder(package,szFolder,FALSE,FALSE,&folder);
 344     if (!path)
 345         return ERROR_DIRECTORY;
 346
 347     msi_free(folder->Property);
 348     folder->Property = build_directory_name(2, szFolderPath, NULL);
 349
 350     if (lstrcmpiW(path, folder->Property) == 0)
 351     {
 352         /*
 353          *  Resolved Target has not really changed, so just
 354          *  set this folder and do not recalculate everything.
 355          */
 356         msi_free(folder->ResolvedTarget);
 357         folder->ResolvedTarget = NULL;
 358         path2 = resolve_folder(package,szFolder,FALSE,TRUE,NULL);
 359         msi_free(path2);
 360     }
 361     else
 362     {
 363         MSIFOLDER *f;
 364
 365         LIST_FOR_EACH_ENTRY( f, &package->folders, MSIFOLDER, entry )
 366         {
 367             msi_free(f->ResolvedTarget);
 368             f->ResolvedTarget=NULL;
 369         }
 370
 371         LIST_FOR_EACH_ENTRY( f, &package->folders, MSIFOLDER, entry )
 372         {
 373             path2 = resolve_folder(package, f->Directory, FALSE, TRUE, NULL);
 374             msi_free(path2);
 375         }
 376
 377         LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 378         {
 379             MSICOMPONENT *comp = file->Component;
 380             LPWSTR p;
 381
 382             if (!comp)
 383                 continue;
 384
 385             p = resolve_folder(package, comp->Directory, FALSE, FALSE, NULL);
 386             msi_free(file->TargetPath);
 387
 388             file->TargetPath = build_directory_name(2, p, file->FileName);
 389             msi_free(p);
 390         }
 391     }
 392     msi_free(path);
 393
 394     return ERROR_SUCCESS;
 395 }
 396
 397 /***********************************************************************
 398  * MsiSetTargetPathW  (MSI.@)
 399  */
 400 UINT WINAPI MsiSetTargetPathW(MSIHANDLE hInstall, LPCWSTR szFolder,
 401                              LPCWSTR szFolderPath)
 402 {
 403     MSIPACKAGE *package;
 404     UINT ret;
 405
 406     TRACE("%s %s\n",debugstr_w(szFolder),debugstr_w(szFolderPath));
 407
 408     if ( !szFolder || !szFolderPath )
 409         return ERROR_INVALID_PARAMETER;
 410
 411     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 412     if (!package)
 413         return ERROR_INVALID_HANDLE;
 414
 415     ret = MSI_SetTargetPathW( package, szFolder, szFolderPath );
 416     msiobj_release( &package->hdr );
 417     return ret;
 418 }
 419
 420 /***********************************************************************
 421  *           MsiGetMode    (MSI.@)
 422  *
 423  * Returns an internal installer state (if it is running in a mode iRunMode)
 424  *
 425  * PARAMS
 426  *   hInstall    [I]  Handle to the installation
 427  *   hRunMode    [I]  Checking run mode
 428  *        MSIRUNMODE_ADMIN             Administrative mode
 429  *        MSIRUNMODE_ADVERTISE         Advertisement mode
 430  *        MSIRUNMODE_MAINTENANCE       Maintenance mode
 431  *        MSIRUNMODE_ROLLBACKENABLED   Rollback is enabled
 432  *        MSIRUNMODE_LOGENABLED        Log file is writing
 433  *        MSIRUNMODE_OPERATIONS        Operations in progress??
 434  *        MSIRUNMODE_REBOOTATEND       We need to reboot after installation completed
 435  *        MSIRUNMODE_REBOOTNOW         We need to reboot to continue the installation
 436  *        MSIRUNMODE_CABINET           Files from cabinet are installed
 437  *        MSIRUNMODE_SOURCESHORTNAMES  Long names in source files is suppressed
 438  *        MSIRUNMODE_TARGETSHORTNAMES  Long names in destination files is suppressed
 439  *        MSIRUNMODE_RESERVED11        Reserved
 440  *        MSIRUNMODE_WINDOWS9X         Running under Windows95/98
 441  *        MSIRUNMODE_ZAWENABLED        Demand installation is supported
 442  *        MSIRUNMODE_RESERVED14        Reserved
 443  *        MSIRUNMODE_RESERVED15        Reserved
 444  *        MSIRUNMODE_SCHEDULED         called from install script
 445  *        MSIRUNMODE_ROLLBACK          called from rollback script
 446  *        MSIRUNMODE_COMMIT            called from commit script
 447  *
 448  * RETURNS
 449  *    In the state: TRUE
 450  *    Not in the state: FALSE
 451  *
 452  */
 453 BOOL WINAPI MsiGetMode(MSIHANDLE hInstall, MSIRUNMODE iRunMode)
 454 {
 455     BOOL r = FALSE;
 456
 457     switch (iRunMode)
 458     {
 459     case MSIRUNMODE_WINDOWS9X:
 460         if (GetVersion() & 0x80000000)
 461             r = TRUE;
 462         break;
 463
 464     case MSIRUNMODE_RESERVED11:
 465     case MSIRUNMODE_RESERVED14:
 466     case MSIRUNMODE_RESERVED15:
 467         break;
 468
 469     case MSIRUNMODE_SCHEDULED:
 470     case MSIRUNMODE_ROLLBACK:
 471     case MSIRUNMODE_COMMIT:
 472         break;
 473
 474     default:
 475         FIXME("%ld %d\n", hInstall, iRunMode);
 476         r = TRUE;
 477     }
 478
 479     return r;
 480 }
 481
 482 /***********************************************************************
 483  *           MsiSetMode    (MSI.@)
 484  */
 485 BOOL WINAPI MsiSetMode(MSIHANDLE hInstall, MSIRUNMODE iRunMode, BOOL fState)
 486 {
 487     switch (iRunMode)
 488     {
 489     case MSIRUNMODE_RESERVED11:
 490     case MSIRUNMODE_WINDOWS9X:
 491     case MSIRUNMODE_RESERVED14:
 492     case MSIRUNMODE_RESERVED15:
 493         return FALSE;
 494     default:
 495         FIXME("%ld %d %d\n", hInstall, iRunMode, fState);
 496     }
 497     return TRUE;
 498 }
 499
 500 /***********************************************************************
 501  * MsiSetFeatureStateA (MSI.@)
 502  *
 503  * According to the docs, when this is called it immediately recalculates
 504  * all the component states as well
 505  */
 506 UINT WINAPI MsiSetFeatureStateA(MSIHANDLE hInstall, LPCSTR szFeature,
 507                                 INSTALLSTATE iState)
 508 {
 509     LPWSTR szwFeature = NULL;
 510     UINT rc;
 511
 512     szwFeature = strdupAtoW(szFeature);
 513
 514     if (!szwFeature)
 515         return ERROR_FUNCTION_FAILED;
 516
 517     rc = MsiSetFeatureStateW(hInstall,szwFeature, iState);
 518
 519     msi_free(szwFeature);
 520
 521     return rc;
 522 }
 523
 524
 525
 526 UINT WINAPI MSI_SetFeatureStateW(MSIPACKAGE* package, LPCWSTR szFeature,
 527                                 INSTALLSTATE iState)
 528 {
 529     UINT rc = ERROR_SUCCESS;
 530     MSIFEATURE *feature, *child;
 531
 532     TRACE("%s %i\n", debugstr_w(szFeature), iState);
 533
 534     feature = get_loaded_feature(package,szFeature);
 535     if (!feature)
 536         return ERROR_UNKNOWN_FEATURE;
 537
 538     if (iState == INSTALLSTATE_ADVERTISED &&
 539         feature->Attributes & msidbFeatureAttributesDisallowAdvertise)
 540         return ERROR_FUNCTION_FAILED;
 541
 542     msi_feature_set_state( feature, iState );
 543
 544     ACTION_UpdateComponentStates(package,szFeature);
 545
 546     /* update all the features that are children of this feature */
 547     LIST_FOR_EACH_ENTRY( child, &package->features, MSIFEATURE, entry )
 548     {
 549         if (lstrcmpW(szFeature, child->Feature_Parent) == 0)
 550             MSI_SetFeatureStateW(package, child->Feature, iState);
 551     }
 552
 553     return rc;
 554 }
 555
 556 /***********************************************************************
 557  * MsiSetFeatureStateW (MSI.@)
 558  */
 559 UINT WINAPI MsiSetFeatureStateW(MSIHANDLE hInstall, LPCWSTR szFeature,
 560                                 INSTALLSTATE iState)
 561 {
 562     MSIPACKAGE* package;
 563     UINT rc = ERROR_SUCCESS;
 564
 565     TRACE("%s %i\n",debugstr_w(szFeature), iState);
 566
 567     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 568     if (!package)
 569         return ERROR_INVALID_HANDLE;
 570
 571     rc = MSI_SetFeatureStateW(package,szFeature,iState);
 572
 573     msiobj_release( &package->hdr );
 574     return rc;
 575 }
 576
 577 /***********************************************************************
 578 * MsiGetFeatureStateA   (MSI.@)
 579 */
 580 UINT WINAPI MsiGetFeatureStateA(MSIHANDLE hInstall, LPCSTR szFeature,
 581                   INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
 582 {
 583     LPWSTR szwFeature = NULL;
 584     UINT rc;
 585
 586     szwFeature = strdupAtoW(szFeature);
 587
 588     rc = MsiGetFeatureStateW(hInstall,szwFeature,piInstalled, piAction);
 589
 590     msi_free( szwFeature);
 591
 592     return rc;
 593 }
 594
 595 UINT MSI_GetFeatureStateW(MSIPACKAGE *package, LPCWSTR szFeature,
 596                   INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
 597 {
 598     MSIFEATURE *feature;
 599
 600     feature = get_loaded_feature(package,szFeature);
 601     if (!feature)
 602         return ERROR_UNKNOWN_FEATURE;
 603
 604     if (piInstalled)
 605         *piInstalled = feature->Installed;
 606
 607     if (piAction)
 608         *piAction = feature->Action;
 609
 610     TRACE("returning %i %i\n", feature->Installed, feature->Action);
 611
 612     return ERROR_SUCCESS;
 613 }
 614
 615 /***********************************************************************
 616 * MsiGetFeatureStateW   (MSI.@)
 617 */
 618 UINT WINAPI MsiGetFeatureStateW(MSIHANDLE hInstall, LPCWSTR szFeature,
 619                   INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
 620 {
 621     MSIPACKAGE* package;
 622     UINT ret;
 623
 624     TRACE("%ld %s %p %p\n", hInstall, debugstr_w(szFeature), piInstalled, piAction);
 625
 626     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 627     if (!package)
 628         return ERROR_INVALID_HANDLE;
 629     ret = MSI_GetFeatureStateW(package, szFeature, piInstalled, piAction);
 630     msiobj_release( &package->hdr );
 631     return ret;
 632 }
 633
 634 /***********************************************************************
 635 * MsiGetFeatureCostA   (MSI.@)
 636 */
 637 UINT WINAPI MsiGetFeatureCostA(MSIHANDLE hInstall, LPCSTR szFeature,
 638                   MSICOSTTREE iCostTree, INSTALLSTATE iState, INT *piCost)
 639 {
 640     FIXME("(%ld %s %i %i %p): stub\n", hInstall, debugstr_a(szFeature),
 641           iCostTree, iState, piCost);
 642     if (piCost) *piCost = 0;
 643     return ERROR_SUCCESS;
 644 }
 645
 646 /***********************************************************************
 647 * MsiGetFeatureCostW   (MSI.@)
 648 */
 649 UINT WINAPI MsiGetFeatureCostW(MSIHANDLE hInstall, LPCWSTR szFeature,
 650                   MSICOSTTREE iCostTree, INSTALLSTATE iState, INT *piCost)
 651 {
 652     FIXME("(%ld %s %i %i %p): stub\n", hInstall, debugstr_w(szFeature),
 653           iCostTree, iState, piCost);
 654     if (piCost) *piCost = 0;
 655     return ERROR_SUCCESS;
 656 }
 657
 658 /***********************************************************************
 659  * MsiSetComponentStateA (MSI.@)
 660  */
 661 UINT WINAPI MsiSetComponentStateA(MSIHANDLE hInstall, LPCSTR szComponent,
 662                                   INSTALLSTATE iState)
 663 {
 664     UINT rc;
 665     LPWSTR szwComponent = strdupAtoW(szComponent);
 666
 667     rc = MsiSetComponentStateW(hInstall, szwComponent, iState);
 668
 669     msi_free(szwComponent);
 670
 671     return rc;
 672 }
 673
 674 /***********************************************************************
 675  * MsiGetComponentStateA (MSI.@)
 676  */
 677 UINT WINAPI MsiGetComponentStateA(MSIHANDLE hInstall, LPCSTR szComponent,
 678                   INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
 679 {
 680     LPWSTR szwComponent= NULL;
 681     UINT rc;
 682
 683     szwComponent= strdupAtoW(szComponent);
 684
 685     rc = MsiGetComponentStateW(hInstall,szwComponent,piInstalled, piAction);
 686
 687     msi_free( szwComponent);
 688
 689     return rc;
 690 }
 691
 692 static UINT MSI_SetComponentStateW(MSIPACKAGE *package, LPCWSTR szComponent,
 693                                    INSTALLSTATE iState)
 694 {
 695     MSICOMPONENT *comp;
 696
 697     TRACE("%p %s %d\n", package, debugstr_w(szComponent), iState);
 698
 699     comp = get_loaded_component(package, szComponent);
 700     if (!comp)
 701         return ERROR_UNKNOWN_COMPONENT;
 702
 703     comp->Installed = iState;
 704
 705     return ERROR_SUCCESS;
 706 }
 707
 708 UINT MSI_GetComponentStateW(MSIPACKAGE *package, LPCWSTR szComponent,
 709                   INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
 710 {
 711     MSICOMPONENT *comp;
 712
 713     TRACE("%p %s %p %p\n", package, debugstr_w(szComponent),
 714            piInstalled, piAction);
 715
 716     comp = get_loaded_component(package,szComponent);
 717     if (!comp)
 718         return ERROR_UNKNOWN_COMPONENT;
 719
 720     if (piInstalled)
 721         *piInstalled = comp->Installed;
 722
 723     if (piAction)
 724         *piAction = comp->Action;
 725
 726     TRACE("states (%i, %i)\n", comp->Installed, comp->Action );
 727
 728     return ERROR_SUCCESS;
 729 }
 730
 731 /***********************************************************************
 732  * MsiSetComponentStateW (MSI.@)
 733  */
 734 UINT WINAPI MsiSetComponentStateW(MSIHANDLE hInstall, LPCWSTR szComponent,
 735                                   INSTALLSTATE iState)
 736 {
 737     MSIPACKAGE* package;
 738     UINT ret;
 739
 740     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 741     if (!package)
 742         return ERROR_INVALID_HANDLE;
 743     ret = MSI_SetComponentStateW(package, szComponent, iState);
 744     msiobj_release(&package->hdr);
 745     return ret;
 746 }
 747
 748 /***********************************************************************
 749  * MsiGetComponentStateW (MSI.@)
 750  */
 751 UINT WINAPI MsiGetComponentStateW(MSIHANDLE hInstall, LPCWSTR szComponent,
 752                   INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
 753 {
 754     MSIPACKAGE* package;
 755     UINT ret;
 756
 757     TRACE("%ld %s %p %p\n", hInstall, debugstr_w(szComponent),
 758            piInstalled, piAction);
 759
 760     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 761     if (!package)
 762         return ERROR_INVALID_HANDLE;
 763     ret = MSI_GetComponentStateW( package, szComponent, piInstalled, piAction);
 764     msiobj_release( &package->hdr );
 765     return ret;
 766 }
 767
 768 /***********************************************************************
 769  * MsiGetLanguage (MSI.@)
 770  */
 771 LANGID WINAPI MsiGetLanguage(MSIHANDLE hInstall)
 772 {
 773     MSIPACKAGE* package;
 774     LANGID langid;
 775     static const WCHAR szProductLanguage[] =
 776         {'P','r','o','d','u','c','t','L','a','n','g','u','a','g','e',0};
 777
 778     package = msihandle2msiinfo(hInstall, MSIHANDLETYPE_PACKAGE);
 779     if (!package)
 780         return ERROR_INVALID_HANDLE;
 781
 782     langid = msi_get_property_int( package, szProductLanguage, 0 );
 783     msiobj_release( &package->hdr );
 784     return langid;
 785 }
 786
 787 UINT MSI_SetInstallLevel( MSIPACKAGE *package, int iInstallLevel )
 788 {
 789     static const WCHAR szInstallLevel[] = {
 790         'I','N','S','T','A','L','L','L','E','V','E','L',0 };
 791     static const WCHAR fmt[] = { '%','d',0 };
 792     WCHAR level[6];
 793     UINT r;
 794
 795     TRACE("%p %i\n", package, iInstallLevel);
 796
 797     if (iInstallLevel<1 || iInstallLevel>32767)
 798         return ERROR_INVALID_PARAMETER;
 799
 800     sprintfW( level, fmt, iInstallLevel );
 801     r = MSI_SetPropertyW( package, szInstallLevel, level );
 802     if ( r == ERROR_SUCCESS )
 803     {
 804         r = MSI_SetFeatureStates( package );
 805     }
 806
 807     return r;
 808 }
 809
 810 /***********************************************************************
 811  * MsiSetInstallLevel (MSI.@)
 812  */
 813 UINT WINAPI MsiSetInstallLevel(MSIHANDLE hInstall, int iInstallLevel)
 814 {
 815     MSIPACKAGE* package;
 816     UINT r;
 817
 818     TRACE("%ld %i\n", hInstall, iInstallLevel);
 819
 820     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE );
 821     if ( !package )
 822         return ERROR_INVALID_HANDLE;
 823
 824     r = MSI_SetInstallLevel( package, iInstallLevel );
 825
 826     msiobj_release( &package->hdr );
 827
 828     return r;
 829 }