dlls/msi/package.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2004 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 #define NONAMELESSUNION
  22 #define NONAMELESSSTRUCT
  23
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winnls.h"
  30 #include "shlwapi.h"
  31 #include "wingdi.h"
  32 #include "wine/debug.h"
  33 #include "msi.h"
  34 #include "msiquery.h"
  35 #include "objidl.h"
  36 #include "wincrypt.h"
  37 #include "winuser.h"
  38 #include "wininet.h"
  39 #include "urlmon.h"
  40 #include "shlobj.h"
  41 #include "wine/unicode.h"
  42 #include "objbase.h"
  43 #include "msidefs.h"
  44 #include "sddl.h"
  45
  46 #include "msipriv.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  49
  50 static void msi_free_properties( MSIPACKAGE *package );
  51
  52 static void MSI_FreePackage( MSIOBJECTHDR *arg)
  53 {
  54     MSIPACKAGE *package= (MSIPACKAGE*) arg;
  55
  56     if( package->dialog )
  57         msi_dialog_destroy( package->dialog );
  58
  59     msiobj_release( &package->db->hdr );
  60     ACTION_free_package_structures(package);
  61     msi_free_properties( package );
  62 }
  63
  64 static UINT iterate_clone_props(MSIRECORD *row, LPVOID param)
  65 {
  66     MSIPACKAGE *package = param;
  67     LPCWSTR name, value;
  68
  69     name = MSI_RecordGetString( row, 1 );
  70     value = MSI_RecordGetString( row, 2 );
  71     MSI_SetPropertyW( package, name, value );
  72
  73     return ERROR_SUCCESS;
  74 }
  75
  76 static UINT clone_properties( MSIPACKAGE *package )
  77 {
  78     static const WCHAR Query[] = {
  79         'S','E','L','E','C','T',' ','*',' ',
  80         'F','R','O','M',' ','`','P','r','o','p','e','r','t','y','`',0};
  81     MSIQUERY *view = NULL;
  82     UINT r;
  83
  84     r = MSI_OpenQuery( package->db, &view, Query );
  85     if (r == ERROR_SUCCESS)
  86     {
  87         r = MSI_IterateRecords( view, NULL, iterate_clone_props, package );
  88         msiobj_release(&view->hdr);
  89     }
  90     return r;
  91 }
  92
  93 /*
  94  * set_installed_prop
  95  *
  96  * Sets the "Installed" property to indicate that
  97  *  the product is installed for the current user.
  98  */
  99 static UINT set_installed_prop( MSIPACKAGE *package )
 100 {
 101     static const WCHAR szInstalled[] = {
 102         'I','n','s','t','a','l','l','e','d',0 };
 103     WCHAR val[2] = { '1', 0 };
 104     HKEY hkey = 0;
 105     UINT r;
 106
 107     r = MSIREG_OpenUninstallKey( package->ProductCode, &hkey, FALSE );
 108     if (r == ERROR_SUCCESS)
 109     {
 110         RegCloseKey( hkey );
 111         MSI_SetPropertyW( package, szInstalled, val );
 112     }
 113
 114     return r;
 115 }
 116
 117 static UINT set_user_sid_prop( MSIPACKAGE *package )
 118 {
 119     SID_NAME_USE use;
 120     LPWSTR user_name;
 121     LPWSTR sid_str = NULL, dom = NULL;
 122     DWORD size, dom_size;
 123     PSID psid = NULL;
 124     UINT r = ERROR_FUNCTION_FAILED;
 125
 126     static const WCHAR user_sid[] = {'U','s','e','r','S','I','D',0};
 127
 128     size = 0;
 129     GetUserNameW( NULL, &size );
 130
 131     user_name = msi_alloc( (size + 1) * sizeof(WCHAR) );
 132     if (!user_name)
 133         return ERROR_OUTOFMEMORY;
 134
 135     if (!GetUserNameW( user_name, &size ))
 136         goto done;
 137
 138     size = 0;
 139     dom_size = 0;
 140     LookupAccountNameW( NULL, user_name, NULL, &size, NULL, &dom_size, &use );
 141
 142     psid = msi_alloc( size );
 143     dom = msi_alloc( dom_size*sizeof (WCHAR) );
 144     if (!psid || !dom)
 145     {
 146         r = ERROR_OUTOFMEMORY;
 147         goto done;
 148     }
 149
 150     if (!LookupAccountNameW( NULL, user_name, psid, &size, dom, &dom_size, &use ))
 151         goto done;
 152
 153     if (!ConvertSidToStringSidW( psid, &sid_str ))
 154         goto done;
 155
 156     r = MSI_SetPropertyW( package, user_sid, sid_str );
 157
 158 done:
 159     LocalFree( sid_str );
 160     msi_free( dom );
 161     msi_free( psid );
 162     msi_free( user_name );
 163
 164     return r;
 165 }
 166
 167 /*
 168  * There are a whole slew of these we need to set
 169  *
 170  *
 171 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/properties.asp
 172  */
 173 static VOID set_installer_properties(MSIPACKAGE *package)
 174 {
 175     WCHAR pth[MAX_PATH];
 176     WCHAR *ptr;
 177     OSVERSIONINFOA OSVersion;
 178     MEMORYSTATUSEX msex;
 179     DWORD verval;
 180     WCHAR verstr[10], bufstr[20];
 181     HDC dc;
 182     LPWSTR check;
 183     HKEY hkey;
 184     LONG res;
 185     SYSTEM_INFO sys_info;
 186     SYSTEMTIME systemtime;
 187
 188     static const WCHAR cszbs[]={'\\',0};
 189     static const WCHAR CFF[] =
 190 {'C','o','m','m','o','n','F','i','l','e','s','F','o','l','d','e','r',0};
 191     static const WCHAR PFF[] =
 192 {'P','r','o','g','r','a','m','F','i','l','e','s','F','o','l','d','e','r',0};
 193     static const WCHAR CADF[] =
 194 {'C','o','m','m','o','n','A','p','p','D','a','t','a','F','o','l','d','e','r',0};
 195     static const WCHAR FaF[] =
 196 {'F','a','v','o','r','i','t','e','s','F','o','l','d','e','r',0};
 197     static const WCHAR FoF[] =
 198 {'F','o','n','t','s','F','o','l','d','e','r',0};
 199     static const WCHAR SendTF[] =
 200 {'S','e','n','d','T','o','F','o','l','d','e','r',0};
 201     static const WCHAR SMF[] =
 202 {'S','t','a','r','t','M','e','n','u','F','o','l','d','e','r',0};
 203     static const WCHAR StF[] =
 204 {'S','t','a','r','t','u','p','F','o','l','d','e','r',0};
 205     static const WCHAR TemplF[] =
 206 {'T','e','m','p','l','a','t','e','F','o','l','d','e','r',0};
 207     static const WCHAR DF[] =
 208 {'D','e','s','k','t','o','p','F','o','l','d','e','r',0};
 209     static const WCHAR PMF[] =
 210 {'P','r','o','g','r','a','m','M','e','n','u','F','o','l','d','e','r',0};
 211     static const WCHAR ATF[] =
 212 {'A','d','m','i','n','T','o','o','l','s','F','o','l','d','e','r',0};
 213     static const WCHAR ADF[] =
 214 {'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
 215     static const WCHAR SF[] =
 216 {'S','y','s','t','e','m','F','o','l','d','e','r',0};
 217     static const WCHAR SF16[] =
 218 {'S','y','s','t','e','m','1','6','F','o','l','d','e','r',0};
 219     static const WCHAR LADF[] =
 220 {'L','o','c','a','l','A','p','p','D','a','t','a','F','o','l','d','e','r',0};
 221     static const WCHAR MPF[] =
 222 {'M','y','P','i','c','t','u','r','e','s','F','o','l','d','e','r',0};
 223     static const WCHAR PF[] =
 224 {'P','e','r','s','o','n','a','l','F','o','l','d','e','r',0};
 225     static const WCHAR WF[] =
 226 {'W','i','n','d','o','w','s','F','o','l','d','e','r',0};
 227     static const WCHAR WV[] =
 228 {'W','i','n','d','o','w','s','V','o','l','u','m','e',0};
 229     static const WCHAR TF[]=
 230 {'T','e','m','p','F','o','l','d','e','r',0};
 231     static const WCHAR szAdminUser[] =
 232 {'A','d','m','i','n','U','s','e','r',0};
 233     static const WCHAR szPriv[] =
 234 {'P','r','i','v','i','l','e','g','e','d',0};
 235     static const WCHAR szOne[] =
 236 {'1',0};
 237     static const WCHAR v9x[] = { 'V','e','r','s','i','o','n','9','X',0 };
 238     static const WCHAR vNT[] = { 'V','e','r','s','i','o','n','N','T',0 };
 239     static const WCHAR szFormat[] = {'%','l','i',0};
 240     static const WCHAR szWinBuild[] =
 241 {'W','i','n','d','o','w','s','B','u','i','l','d', 0 };
 242     static const WCHAR szSPL[] =
 243 {'S','e','r','v','i','c','e','P','a','c','k','L','e','v','e','l',0 };
 244     static const WCHAR szSix[] = {'6',0 };
 245
 246     static const WCHAR szVersionMsi[] = { 'V','e','r','s','i','o','n','M','s','i',0 };
 247     static const WCHAR szVersionDatabase[] = { 'V','e','r','s','i','o','n','D','a','t','a','b','a','s','e',0 };
 248     static const WCHAR szPhysicalMemory[] = { 'P','h','y','s','i','c','a','l','M','e','m','o','r','y',0 };
 249     static const WCHAR szFormat2[] = {'%','l','i','.','%','l','i',0};
 250 /* Screen properties */
 251     static const WCHAR szScreenX[] = {'S','c','r','e','e','n','X',0};
 252     static const WCHAR szScreenY[] = {'S','c','r','e','e','n','Y',0};
 253     static const WCHAR szColorBits[] = {'C','o','l','o','r','B','i','t','s',0};
 254     static const WCHAR szScreenFormat[] = {'%','d',0};
 255     static const WCHAR szIntel[] = { 'I','n','t','e','l',0 };
 256     static const WCHAR szAllUsers[] = { 'A','L','L','U','S','E','R','S',0 };
 257     static const WCHAR szCurrentVersion[] = {
 258         'S','O','F','T','W','A','R','E','\\',
 259         'M','i','c','r','o','s','o','f','t','\\',
 260         'W','i','n','d','o','w','s',' ','N','T','\\',
 261         'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0
 262     };
 263     static const WCHAR szRegisteredUser[] = {'R','e','g','i','s','t','e','r','e','d','O','w','n','e','r',0};
 264     static const WCHAR szRegisteredOrg[] = {
 265         'R','e','g','i','s','t','e','r','e','d','O','r','g','a','n','i','z','a','t','i','o','n',0
 266     };
 267     static const WCHAR szUSERNAME[] = {'U','S','E','R','N','A','M','E',0};
 268     static const WCHAR szCOMPANYNAME[] = {'C','O','M','P','A','N','Y','N','A','M','E',0};
 269     static const WCHAR szDate[] = {'D','a','t','e',0};
 270     static const WCHAR szTime[] = {'T','i','m','e',0};
 271
 272     /*
 273      * Other things that probably should be set:
 274      *
 275      * SystemLanguageID ComputerName UserLanguageID LogonUser VirtualMemory
 276      * ShellAdvSupport DefaultUIFont PackagecodeChanging
 277      * ProductState CaptionHeight BorderTop BorderSide TextHeight
 278      * RedirectedDllSupport
 279      */
 280
 281     SHGetFolderPathW(NULL,CSIDL_PROGRAM_FILES_COMMON,NULL,0,pth);
 282     strcatW(pth,cszbs);
 283     MSI_SetPropertyW(package, CFF, pth);
 284
 285     SHGetFolderPathW(NULL,CSIDL_PROGRAM_FILES,NULL,0,pth);
 286     strcatW(pth,cszbs);
 287     MSI_SetPropertyW(package, PFF, pth);
 288
 289     SHGetFolderPathW(NULL,CSIDL_COMMON_APPDATA,NULL,0,pth);
 290     strcatW(pth,cszbs);
 291     MSI_SetPropertyW(package, CADF, pth);
 292
 293     SHGetFolderPathW(NULL,CSIDL_FAVORITES,NULL,0,pth);
 294     strcatW(pth,cszbs);
 295     MSI_SetPropertyW(package, FaF, pth);
 296
 297     SHGetFolderPathW(NULL,CSIDL_FONTS,NULL,0,pth);
 298     strcatW(pth,cszbs);
 299     MSI_SetPropertyW(package, FoF, pth);
 300
 301     SHGetFolderPathW(NULL,CSIDL_SENDTO,NULL,0,pth);
 302     strcatW(pth,cszbs);
 303     MSI_SetPropertyW(package, SendTF, pth);
 304
 305     SHGetFolderPathW(NULL,CSIDL_STARTMENU,NULL,0,pth);
 306     strcatW(pth,cszbs);
 307     MSI_SetPropertyW(package, SMF, pth);
 308
 309     SHGetFolderPathW(NULL,CSIDL_STARTUP,NULL,0,pth);
 310     strcatW(pth,cszbs);
 311     MSI_SetPropertyW(package, StF, pth);
 312
 313     SHGetFolderPathW(NULL,CSIDL_TEMPLATES,NULL,0,pth);
 314     strcatW(pth,cszbs);
 315     MSI_SetPropertyW(package, TemplF, pth);
 316
 317     SHGetFolderPathW(NULL,CSIDL_DESKTOP,NULL,0,pth);
 318     strcatW(pth,cszbs);
 319     MSI_SetPropertyW(package, DF, pth);
 320
 321     SHGetFolderPathW(NULL,CSIDL_PROGRAMS,NULL,0,pth);
 322     strcatW(pth,cszbs);
 323     MSI_SetPropertyW(package, PMF, pth);
 324
 325     SHGetFolderPathW(NULL,CSIDL_ADMINTOOLS,NULL,0,pth);
 326     strcatW(pth,cszbs);
 327     MSI_SetPropertyW(package, ATF, pth);
 328
 329     SHGetFolderPathW(NULL,CSIDL_APPDATA,NULL,0,pth);
 330     strcatW(pth,cszbs);
 331     MSI_SetPropertyW(package, ADF, pth);
 332
 333     SHGetFolderPathW(NULL,CSIDL_SYSTEM,NULL,0,pth);
 334     strcatW(pth,cszbs);
 335     MSI_SetPropertyW(package, SF, pth);
 336     MSI_SetPropertyW(package, SF16, pth);
 337
 338     SHGetFolderPathW(NULL,CSIDL_LOCAL_APPDATA,NULL,0,pth);
 339     strcatW(pth,cszbs);
 340     MSI_SetPropertyW(package, LADF, pth);
 341
 342     SHGetFolderPathW(NULL,CSIDL_MYPICTURES,NULL,0,pth);
 343     strcatW(pth,cszbs);
 344     MSI_SetPropertyW(package, MPF, pth);
 345
 346     SHGetFolderPathW(NULL,CSIDL_PERSONAL,NULL,0,pth);
 347     strcatW(pth,cszbs);
 348     MSI_SetPropertyW(package, PF, pth);
 349
 350     SHGetFolderPathW(NULL,CSIDL_WINDOWS,NULL,0,pth);
 351     strcatW(pth,cszbs);
 352     MSI_SetPropertyW(package, WF, pth);
 353
 354     /* Physical Memory is specified in MB. Using total amount. */
 355     msex.dwLength = sizeof(msex);
 356     GlobalMemoryStatusEx( &msex );
 357     sprintfW( bufstr, szScreenFormat, (int)(msex.ullTotalPhys/1024/1024));
 358     MSI_SetPropertyW(package, szPhysicalMemory, bufstr);
 359
 360     SHGetFolderPathW(NULL,CSIDL_WINDOWS,NULL,0,pth);
 361     ptr = strchrW(pth,'\\');
 362     if (ptr)
 363         *(ptr+1) = 0;
 364     MSI_SetPropertyW(package, WV, pth);
 365
 366     GetTempPathW(MAX_PATH,pth);
 367     MSI_SetPropertyW(package, TF, pth);
 368
 369
 370     /* in a wine environment the user is always admin and privileged */
 371     MSI_SetPropertyW(package,szAdminUser,szOne);
 372     MSI_SetPropertyW(package,szPriv,szOne);
 373     MSI_SetPropertyW(package, szAllUsers, szOne);
 374
 375     /* set the os things */
 376     OSVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
 377     GetVersionExA(&OSVersion);
 378     verval = OSVersion.dwMinorVersion+OSVersion.dwMajorVersion*100;
 379     sprintfW(verstr,szFormat,verval);
 380     switch (OSVersion.dwPlatformId)
 381     {
 382         case VER_PLATFORM_WIN32_WINDOWS:
 383             MSI_SetPropertyW(package,v9x,verstr);
 384             break;
 385         case VER_PLATFORM_WIN32_NT:
 386             MSI_SetPropertyW(package,vNT,verstr);
 387             break;
 388     }
 389     sprintfW(verstr,szFormat,OSVersion.dwBuildNumber);
 390     MSI_SetPropertyW(package,szWinBuild,verstr);
 391     /* just fudge this */
 392     MSI_SetPropertyW(package,szSPL,szSix);
 393
 394     sprintfW( bufstr, szFormat2, MSI_MAJORVERSION, MSI_MINORVERSION);
 395     MSI_SetPropertyW( package, szVersionMsi, bufstr );
 396     sprintfW( bufstr, szFormat, MSI_MAJORVERSION * 100);
 397     MSI_SetPropertyW( package, szVersionDatabase, bufstr );
 398
 399     GetSystemInfo( &sys_info );
 400     if (sys_info.u.s.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL)
 401     {
 402         sprintfW( bufstr, szScreenFormat, sys_info.wProcessorLevel );
 403         MSI_SetPropertyW( package, szIntel, bufstr );
 404     }
 405
 406     /* Screen properties. */
 407     dc = GetDC(0);
 408     sprintfW( bufstr, szScreenFormat, GetDeviceCaps( dc, HORZRES ) );
 409     MSI_SetPropertyW( package, szScreenX, bufstr );
 410     sprintfW( bufstr, szScreenFormat, GetDeviceCaps( dc, VERTRES ));
 411     MSI_SetPropertyW( package, szScreenY, bufstr );
 412     sprintfW( bufstr, szScreenFormat, GetDeviceCaps( dc, BITSPIXEL ));
 413     MSI_SetPropertyW( package, szColorBits, bufstr );
 414     ReleaseDC(0, dc);
 415
 416     /* USERNAME and COMPANYNAME */
 417     res = RegOpenKeyW( HKEY_LOCAL_MACHINE, szCurrentVersion, &hkey );
 418     if (res != ERROR_SUCCESS)
 419         return;
 420
 421     check = msi_dup_property( package, szUSERNAME );
 422     if (!check)
 423     {
 424         LPWSTR user = msi_reg_get_val_str( hkey, szRegisteredUser );
 425         MSI_SetPropertyW( package, szUSERNAME, user );
 426         msi_free( user );
 427     }
 428
 429     msi_free( check );
 430
 431     check = msi_dup_property( package, szCOMPANYNAME );
 432     if (!check)
 433     {
 434         LPWSTR company = msi_reg_get_val_str( hkey, szRegisteredOrg );
 435         MSI_SetPropertyW( package, szCOMPANYNAME, company );
 436         msi_free( company );
 437     }
 438
 439     if ( set_user_sid_prop( package ) != ERROR_SUCCESS)
 440         ERR("Failed to set the UserSID property\n");
 441
 442     /* Date and time properties */
 443     GetSystemTime( &systemtime );
 444     if (GetDateFormatW( LOCALE_USER_DEFAULT, DATE_SHORTDATE, &systemtime,
 445                         NULL, bufstr, sizeof(bufstr)/sizeof(bufstr[0]) ))
 446         MSI_SetPropertyW( package, szDate, bufstr );
 447     else
 448         ERR("Couldn't set Date property: GetDateFormat failed with error %d\n", GetLastError());
 449
 450     if (GetTimeFormatW( LOCALE_USER_DEFAULT,
 451                         TIME_FORCE24HOURFORMAT | TIME_NOTIMEMARKER,
 452                         &systemtime, NULL, bufstr,
 453                         sizeof(bufstr)/sizeof(bufstr[0]) ))
 454         MSI_SetPropertyW( package, szTime, bufstr );
 455     else
 456         ERR("Couldn't set Time property: GetTimeFormat failed with error %d\n", GetLastError());
 457
 458     msi_free( check );
 459     CloseHandle( hkey );
 460 }
 461
 462 static UINT msi_load_summary_properties( MSIPACKAGE *package )
 463 {
 464     UINT rc;
 465     MSIHANDLE suminfo;
 466     MSIHANDLE hdb = alloc_msihandle( &package->db->hdr );
 467     INT word_count;
 468     DWORD len;
 469     LPWSTR package_code;
 470     static const WCHAR szPackageCode[] = {
 471         'P','a','c','k','a','g','e','C','o','d','e',0};
 472
 473     if (!hdb) {
 474         ERR("Unable to allocate handle\n");
 475         return 0;
 476     }
 477     rc = MsiGetSummaryInformationW( hdb, NULL, 0, &suminfo );
 478     MsiCloseHandle(hdb);
 479     if (rc != ERROR_SUCCESS)
 480     {
 481         ERR("Unable to open Summary Information\n");
 482         return rc;
 483     }
 484
 485     /* load package attributes */
 486     rc = MsiSummaryInfoGetPropertyW( suminfo, PID_WORDCOUNT, NULL,
 487                                      &word_count, NULL, NULL, NULL );
 488     if (rc == ERROR_SUCCESS)
 489         package->WordCount = word_count;
 490     else
 491         WARN("Unable to query word count\n");
 492
 493     /* load package code property */
 494     len = 0;
 495     rc = MsiSummaryInfoGetPropertyW( suminfo, PID_REVNUMBER, NULL,
 496                                      NULL, NULL, NULL, &len );
 497     if (rc == ERROR_MORE_DATA)
 498     {
 499         len++;
 500         package_code = msi_alloc( len * sizeof(WCHAR) );
 501         rc = MsiSummaryInfoGetPropertyW( suminfo, PID_REVNUMBER, NULL,
 502                                          NULL, NULL, package_code, &len );
 503         if (rc == ERROR_SUCCESS)
 504             MSI_SetPropertyW( package, szPackageCode, package_code );
 505         else
 506             WARN("Unable to query rev number, %d\n", rc);
 507         msi_free( package_code );
 508     }
 509     else
 510         WARN("Unable to query rev number, %d\n", rc);
 511
 512     MsiCloseHandle(suminfo);
 513     return ERROR_SUCCESS;
 514 }
 515
 516 static MSIPACKAGE *msi_alloc_package( void )
 517 {
 518     MSIPACKAGE *package;
 519     int i;
 520
 521     package = alloc_msiobject( MSIHANDLETYPE_PACKAGE, sizeof (MSIPACKAGE),
 522                                MSI_FreePackage );
 523     if( package )
 524     {
 525         list_init( &package->components );
 526         list_init( &package->features );
 527         list_init( &package->files );
 528         list_init( &package->tempfiles );
 529         list_init( &package->folders );
 530         list_init( &package->subscriptions );
 531         list_init( &package->appids );
 532         list_init( &package->classes );
 533         list_init( &package->mimes );
 534         list_init( &package->extensions );
 535         list_init( &package->progids );
 536         list_init( &package->RunningActions );
 537
 538         for (i=0; i<PROPERTY_HASH_SIZE; i++)
 539             list_init( &package->props[i] );
 540
 541         package->ActionFormat = NULL;
 542         package->LastAction = NULL;
 543         package->dialog = NULL;
 544         package->next_dialog = NULL;
 545     }
 546
 547     return package;
 548 }
 549
 550 MSIPACKAGE *MSI_CreatePackage( MSIDATABASE *db, LPWSTR base_url )
 551 {
 552     static const WCHAR szLevel[] = { 'U','I','L','e','v','e','l',0 };
 553     static const WCHAR szpi[] = {'%','i',0};
 554     static const WCHAR szProductCode[] = {
 555         'P','r','o','d','u','c','t','C','o','d','e',0};
 556     MSIPACKAGE *package;
 557     WCHAR uilevel[10];
 558
 559     TRACE("%p\n", db);
 560
 561     package = msi_alloc_package();
 562     if (package)
 563     {
 564         msiobj_addref( &db->hdr );
 565         package->db = db;
 566
 567         package->WordCount = 0;
 568         package->PackagePath = strdupW( db->path );
 569         package->BaseURL = strdupW( base_url );
 570
 571         clone_properties( package );
 572         set_installer_properties(package);
 573         sprintfW(uilevel,szpi,gUILevel);
 574         MSI_SetPropertyW(package, szLevel, uilevel);
 575
 576         package->ProductCode = msi_dup_property( package, szProductCode );
 577         set_installed_prop( package );
 578         msi_load_summary_properties( package );
 579     }
 580
 581     return package;
 582 }
 583
 584 /*
 585  * copy_package_to_temp   [internal]
 586  *
 587  * copy the msi file to a temp file to prevent locking a CD
 588  * with a multi disc install
 589  *
 590  * FIXME: I think this is wrong, and instead of copying the package,
 591  *        we should read all the tables to memory, then open the
 592  *        database to read binary streams on demand.
 593  */
 594 static LPCWSTR copy_package_to_temp( LPCWSTR szPackage, LPWSTR filename )
 595 {
 596     WCHAR path[MAX_PATH];
 597     static const WCHAR szMSI[] = {'m','s','i',0};
 598
 599     GetTempPathW( MAX_PATH, path );
 600     GetTempFileNameW( path, szMSI, 0, filename );
 601
 602     if( !CopyFileW( szPackage, filename, FALSE ) )
 603     {
 604         DeleteFileW( filename );
 605         ERR("failed to copy package %s\n", debugstr_w(szPackage) );
 606         return szPackage;
 607     }
 608
 609     TRACE("Opening relocated package %s\n", debugstr_w( filename ));
 610     return filename;
 611 }
 612
 613 LPCWSTR msi_download_file( LPCWSTR szUrl, LPWSTR filename )
 614 {
 615     LPINTERNET_CACHE_ENTRY_INFOW cache_entry;
 616     DWORD size = 0;
 617     HRESULT hr;
 618
 619     /* call will always fail, becase size is 0,
 620      * but will return ERROR_FILE_NOT_FOUND first
 621      * if the file doesn't exist
 622      */
 623     GetUrlCacheEntryInfoW( szUrl, NULL, &size );
 624     if ( GetLastError() != ERROR_FILE_NOT_FOUND )
 625     {
 626         cache_entry = HeapAlloc( GetProcessHeap(), 0, size );
 627         if ( !GetUrlCacheEntryInfoW( szUrl, cache_entry, &size ) )
 628         {
 629             HeapFree( GetProcessHeap(), 0, cache_entry );
 630             return szUrl;
 631         }
 632
 633         lstrcpyW( filename, cache_entry->lpszLocalFileName );
 634         HeapFree( GetProcessHeap(), 0, cache_entry );
 635         return filename;
 636     }
 637
 638     hr = URLDownloadToCacheFileW( NULL, szUrl, filename, MAX_PATH, 0, NULL );
 639     if ( FAILED(hr) )
 640         return szUrl;
 641
 642     return filename;
 643 }
 644
 645 UINT MSI_OpenPackageW(LPCWSTR szPackage, MSIPACKAGE **pPackage)
 646 {
 647     static const WCHAR OriginalDatabase[] =
 648         {'O','r','i','g','i','n','a','l','D','a','t','a','b','a','s','e',0};
 649     static const WCHAR Database[] = {'D','A','T','A','B','A','S','E',0};
 650     MSIDATABASE *db = NULL;
 651     MSIPACKAGE *package;
 652     MSIHANDLE handle;
 653     LPWSTR ptr, base_url = NULL;
 654     UINT r;
 655     WCHAR temppath[MAX_PATH];
 656     LPCWSTR file = szPackage;
 657
 658     TRACE("%s %p\n", debugstr_w(szPackage), pPackage);
 659
 660     if( szPackage[0] == '#' )
 661     {
 662         handle = atoiW(&szPackage[1]);
 663         db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 664         if( !db )
 665             return ERROR_INVALID_HANDLE;
 666     }
 667     else
 668     {
 669         if ( UrlIsW( szPackage, URLIS_URL ) )
 670         {
 671             file = msi_download_file( szPackage, temppath );
 672
 673             base_url = strdupW( szPackage );
 674             if ( !base_url )
 675                 return ERROR_OUTOFMEMORY;
 676
 677             ptr = strrchrW( base_url, '/' );
 678             if (ptr) *(ptr + 1) = '\0';
 679         }
 680         else
 681             file = copy_package_to_temp( szPackage, temppath );
 682
 683         r = MSI_OpenDatabaseW( file, MSIDBOPEN_READONLY, &db );
 684         if( r != ERROR_SUCCESS )
 685         {
 686             if (GetLastError() == ERROR_FILE_NOT_FOUND)
 687                 msi_ui_error( 4, MB_OK | MB_ICONWARNING );
 688             if (file != szPackage)
 689                 DeleteFileW( file );
 690
 691             return r;
 692         }
 693     }
 694
 695     package = MSI_CreatePackage( db, base_url );
 696     msi_free( base_url );
 697     msiobj_release( &db->hdr );
 698     if( !package )
 699     {
 700         if (file != szPackage)
 701             DeleteFileW( file );
 702         return ERROR_FUNCTION_FAILED;
 703     }
 704
 705     if( file != szPackage )
 706         track_tempfile( package, file );
 707
 708     if( szPackage[0] != '#' )
 709     {
 710         MSI_SetPropertyW( package, OriginalDatabase, szPackage );
 711         MSI_SetPropertyW( package, Database, szPackage );
 712     }
 713     else
 714     {
 715         MSI_SetPropertyW( package, OriginalDatabase, db->path );
 716         MSI_SetPropertyW( package, Database, db->path );
 717     }
 718
 719     *pPackage = package;
 720
 721     return ERROR_SUCCESS;
 722 }
 723
 724 UINT WINAPI MsiOpenPackageExW(LPCWSTR szPackage, DWORD dwOptions, MSIHANDLE *phPackage)
 725 {
 726     MSIPACKAGE *package = NULL;
 727     UINT ret;
 728
 729     TRACE("%s %08x %p\n", debugstr_w(szPackage), dwOptions, phPackage );
 730
 731     if( szPackage == NULL )
 732         return ERROR_INVALID_PARAMETER;
 733
 734     if( dwOptions )
 735         FIXME("dwOptions %08x not supported\n", dwOptions);
 736
 737     ret = MSI_OpenPackageW( szPackage, &package );
 738     if( ret == ERROR_SUCCESS )
 739     {
 740         *phPackage = alloc_msihandle( &package->hdr );
 741         if (! *phPackage)
 742             ret = ERROR_NOT_ENOUGH_MEMORY;
 743         msiobj_release( &package->hdr );
 744     }
 745
 746     return ret;
 747 }
 748
 749 UINT WINAPI MsiOpenPackageW(LPCWSTR szPackage, MSIHANDLE *phPackage)
 750 {
 751     return MsiOpenPackageExW( szPackage, 0, phPackage );
 752 }
 753
 754 UINT WINAPI MsiOpenPackageExA(LPCSTR szPackage, DWORD dwOptions, MSIHANDLE *phPackage)
 755 {
 756     LPWSTR szwPack = NULL;
 757     UINT ret;
 758
 759     if( szPackage )
 760     {
 761         szwPack = strdupAtoW( szPackage );
 762         if( !szwPack )
 763             return ERROR_OUTOFMEMORY;
 764     }
 765
 766     ret = MsiOpenPackageExW( szwPack, dwOptions, phPackage );
 767
 768     msi_free( szwPack );
 769
 770     return ret;
 771 }
 772
 773 UINT WINAPI MsiOpenPackageA(LPCSTR szPackage, MSIHANDLE *phPackage)
 774 {
 775     return MsiOpenPackageExA( szPackage, 0, phPackage );
 776 }
 777
 778 MSIHANDLE WINAPI MsiGetActiveDatabase(MSIHANDLE hInstall)
 779 {
 780     MSIPACKAGE *package;
 781     MSIHANDLE handle = 0;
 782
 783     TRACE("(%ld)\n",hInstall);
 784
 785     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE);
 786     if( package)
 787     {
 788         handle = alloc_msihandle( &package->db->hdr );
 789         msiobj_release( &package->hdr );
 790     }
 791
 792     return handle;
 793 }
 794
 795 INT MSI_ProcessMessage( MSIPACKAGE *package, INSTALLMESSAGE eMessageType,
 796                                MSIRECORD *record)
 797 {
 798     static const WCHAR szActionData[] =
 799         {'A','c','t','i','o','n','D','a','t','a',0};
 800     static const WCHAR szSetProgress[] =
 801         {'S','e','t','P','r','o','g','r','e','s','s',0};
 802     static const WCHAR szActionText[] =
 803         {'A','c','t','i','o','n','T','e','x','t',0};
 804     DWORD log_type = 0;
 805     LPWSTR message;
 806     DWORD sz;
 807     DWORD total_size = 0;
 808     INT i;
 809     INT rc;
 810     char *msg;
 811     int len;
 812
 813     TRACE("%x\n", eMessageType);
 814     rc = 0;
 815
 816     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_ERROR)
 817         log_type |= INSTALLLOGMODE_ERROR;
 818     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_WARNING)
 819         log_type |= INSTALLLOGMODE_WARNING;
 820     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_USER)
 821         log_type |= INSTALLLOGMODE_USER;
 822     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_INFO)
 823         log_type |= INSTALLLOGMODE_INFO;
 824     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_COMMONDATA)
 825         log_type |= INSTALLLOGMODE_COMMONDATA;
 826     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_ACTIONSTART)
 827         log_type |= INSTALLLOGMODE_ACTIONSTART;
 828     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_ACTIONDATA)
 829         log_type |= INSTALLLOGMODE_ACTIONDATA;
 830     /* just a guess */
 831     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_PROGRESS)
 832         log_type |= 0x800;
 833
 834     if ((eMessageType & 0xff000000) == INSTALLMESSAGE_ACTIONSTART)
 835     {
 836         static const WCHAR template_s[]=
 837             {'A','c','t','i','o','n',' ','%','s',':',' ','%','s','.',' ',0};
 838         static const WCHAR format[] =
 839             {'H','H','\'',':','\'','m','m','\'',':','\'','s','s',0};
 840         WCHAR timet[0x100];
 841         LPCWSTR action_text, action;
 842         LPWSTR deformatted = NULL;
 843
 844         GetTimeFormatW(LOCALE_USER_DEFAULT, 0, NULL, format, timet, 0x100);
 845
 846         action = MSI_RecordGetString(record, 1);
 847         action_text = MSI_RecordGetString(record, 2);
 848
 849         if (!action || !action_text)
 850             return IDOK;
 851
 852         deformat_string(package, action_text, &deformatted);
 853
 854         len = strlenW(timet) + strlenW(action) + strlenW(template_s);
 855         if (deformatted)
 856             len += strlenW(deformatted);
 857         message = msi_alloc(len*sizeof(WCHAR));
 858         sprintfW(message, template_s, timet, action);
 859         if (deformatted)
 860             strcatW(message, deformatted);
 861         msi_free(deformatted);
 862     }
 863     else
 864     {
 865         INT msg_field=1;
 866         message = msi_alloc(1*sizeof (WCHAR));
 867         message[0]=0;
 868         msg_field = MSI_RecordGetFieldCount(record);
 869         for (i = 1; i <= msg_field; i++)
 870         {
 871             LPWSTR tmp;
 872             WCHAR number[3];
 873             static const WCHAR format[] = { '%','i',':',' ',0};
 874             static const WCHAR space[] = { ' ',0};
 875             sz = 0;
 876             MSI_RecordGetStringW(record,i,NULL,&sz);
 877             sz+=4;
 878             total_size+=sz*sizeof(WCHAR);
 879             tmp = msi_alloc(sz*sizeof(WCHAR));
 880             message = msi_realloc(message,total_size*sizeof (WCHAR));
 881
 882             MSI_RecordGetStringW(record,i,tmp,&sz);
 883
 884             if (msg_field > 1)
 885             {
 886                 sprintfW(number,format,i);
 887                 strcatW(message,number);
 888             }
 889             strcatW(message,tmp);
 890             if (msg_field > 1)
 891                 strcatW(message,space);
 892
 893             msi_free(tmp);
 894         }
 895     }
 896
 897     TRACE("(%p %x %x %s)\n", gUIHandlerA, gUIFilter, log_type,
 898                              debugstr_w(message));
 899
 900     /* convert it to ASCII */
 901     len = WideCharToMultiByte( CP_ACP, 0, message, -1,
 902                                NULL, 0, NULL, NULL );
 903     msg = msi_alloc( len );
 904     WideCharToMultiByte( CP_ACP, 0, message, -1,
 905                          msg, len, NULL, NULL );
 906
 907     if (gUIHandlerA && (gUIFilter & log_type))
 908     {
 909         rc = gUIHandlerA(gUIContext,eMessageType,msg);
 910     }
 911
 912     if ((!rc) && (gszLogFile[0]) && !((eMessageType & 0xff000000) ==
 913                                       INSTALLMESSAGE_PROGRESS))
 914     {
 915         DWORD write;
 916         HANDLE log_file = CreateFileW(gszLogFile,GENERIC_WRITE, 0, NULL,
 917                                   OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 918
 919         if (log_file != INVALID_HANDLE_VALUE)
 920         {
 921             SetFilePointer(log_file,0, NULL, FILE_END);
 922             WriteFile(log_file,msg,strlen(msg),&write,NULL);
 923             WriteFile(log_file,"\n",1,&write,NULL);
 924             CloseHandle(log_file);
 925         }
 926     }
 927     msi_free( msg );
 928
 929     msi_free( message);
 930
 931     switch (eMessageType & 0xff000000)
 932     {
 933     case INSTALLMESSAGE_ACTIONDATA:
 934         /* FIXME: format record here instead of in ui_actiondata to get the
 935          * correct action data for external scripts */
 936         ControlEvent_FireSubscribedEvent(package, szActionData, record);
 937         break;
 938     case INSTALLMESSAGE_ACTIONSTART:
 939     {
 940         MSIRECORD *uirow;
 941         LPWSTR deformated;
 942         LPCWSTR action_text = MSI_RecordGetString(record, 2);
 943
 944         deformat_string(package, action_text, &deformated);
 945         uirow = MSI_CreateRecord(1);
 946         MSI_RecordSetStringW(uirow, 1, deformated);
 947         TRACE("INSTALLMESSAGE_ACTIONSTART: %s\n", debugstr_w(deformated));
 948         msi_free(deformated);
 949
 950         ControlEvent_FireSubscribedEvent(package, szActionText, uirow);
 951
 952         msiobj_release(&uirow->hdr);
 953         break;
 954     }
 955     case INSTALLMESSAGE_PROGRESS:
 956         ControlEvent_FireSubscribedEvent(package, szSetProgress, record);
 957         break;
 958     }
 959
 960     return ERROR_SUCCESS;
 961 }
 962
 963 INT WINAPI MsiProcessMessage( MSIHANDLE hInstall, INSTALLMESSAGE eMessageType,
 964                               MSIHANDLE hRecord)
 965 {
 966     UINT ret = ERROR_INVALID_HANDLE;
 967     MSIPACKAGE *package = NULL;
 968     MSIRECORD *record = NULL;
 969
 970     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE );
 971     if( !package )
 972         return ERROR_INVALID_HANDLE;
 973
 974     record = msihandle2msiinfo( hRecord, MSIHANDLETYPE_RECORD );
 975     if( !record )
 976         goto out;
 977
 978     ret = MSI_ProcessMessage( package, eMessageType, record );
 979
 980 out:
 981     msiobj_release( &package->hdr );
 982     if( record )
 983         msiobj_release( &record->hdr );
 984
 985     return ret;
 986 }
 987
 988 /* property code */
 989
 990 typedef struct msi_property {
 991     struct list entry;
 992     LPWSTR key;
 993     LPWSTR value;
 994 } msi_property;
 995
 996 static UINT msi_prop_makehash( const WCHAR *str )
 997 {
 998     UINT hash = 0;
 999
1000     if (str==NULL)
1001         return hash;
1002
1003     while( *str )
1004     {
1005         hash ^= *str++;
1006         hash *= 53;
1007         hash = (hash<<5) | (hash>>27);
1008     }
1009     return hash % PROPERTY_HASH_SIZE;
1010 }
1011
1012 static msi_property *msi_prop_find( MSIPACKAGE *package, LPCWSTR key )
1013 {
1014     UINT hash = msi_prop_makehash( key );
1015     msi_property *prop;
1016
1017     LIST_FOR_EACH_ENTRY( prop, &package->props[hash], msi_property, entry )
1018         if (!lstrcmpW( prop->key, key ))
1019             return prop;
1020     return NULL;
1021 }
1022
1023 static msi_property *msi_prop_add( MSIPACKAGE *package, LPCWSTR key )
1024 {
1025     UINT hash = msi_prop_makehash( key );
1026     msi_property *prop;
1027
1028     prop = msi_alloc( sizeof *prop );
1029     if (prop)
1030     {
1031         prop->key = strdupW( key );
1032         prop->value = NULL;
1033         list_add_head( &package->props[hash], &prop->entry );
1034     }
1035     return prop;
1036 }
1037
1038 static void msi_delete_property( msi_property *prop )
1039 {
1040     list_remove( &prop->entry );
1041     msi_free( prop->key );
1042     msi_free( prop->value );
1043     msi_free( prop );
1044 }
1045
1046 static void msi_free_properties( MSIPACKAGE *package )
1047 {
1048     int i;
1049
1050     for ( i=0; i<PROPERTY_HASH_SIZE; i++ )
1051     {
1052         while ( !list_empty(&package->props[i]) )
1053         {
1054             msi_property *prop;
1055             prop = LIST_ENTRY( list_head( &package->props[i] ),
1056                                msi_property, entry );
1057             msi_delete_property( prop );
1058         }
1059     }
1060 }
1061
1062 UINT WINAPI MsiSetPropertyA( MSIHANDLE hInstall, LPCSTR szName, LPCSTR szValue )
1063 {
1064     LPWSTR szwName = NULL, szwValue = NULL;
1065     UINT r = ERROR_OUTOFMEMORY;
1066
1067     szwName = strdupAtoW( szName );
1068     if( szName && !szwName )
1069         goto end;
1070
1071     szwValue = strdupAtoW( szValue );
1072     if( szValue && !szwValue )
1073         goto end;
1074
1075     r = MsiSetPropertyW( hInstall, szwName, szwValue);
1076
1077 end:
1078     msi_free( szwName );
1079     msi_free( szwValue );
1080
1081     return r;
1082 }
1083
1084 UINT MSI_SetPropertyW( MSIPACKAGE *package, LPCWSTR szName, LPCWSTR szValue)
1085 {
1086     msi_property *prop;
1087
1088     TRACE("%p %s %s\n", package, debugstr_w(szName), debugstr_w(szValue));
1089
1090     if (!szName)
1091         return ERROR_INVALID_PARAMETER;
1092
1093     /* this one is weird... */
1094     if (!szName[0])
1095         return szValue ? ERROR_FUNCTION_FAILED : ERROR_SUCCESS;
1096
1097     prop = msi_prop_find( package, szName );
1098     if (!prop)
1099         prop = msi_prop_add( package, szName );
1100
1101     if (!prop)
1102         return ERROR_OUTOFMEMORY;
1103
1104     if (szValue)
1105     {
1106         msi_free( prop->value );
1107         prop->value = strdupW( szValue );
1108     }
1109     else
1110         msi_delete_property( prop );
1111
1112     return ERROR_SUCCESS;
1113 }
1114
1115 UINT WINAPI MsiSetPropertyW( MSIHANDLE hInstall, LPCWSTR szName, LPCWSTR szValue)
1116 {
1117     MSIPACKAGE *package;
1118     UINT ret;
1119
1120     package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE);
1121     if( !package )
1122         return ERROR_INVALID_HANDLE;
1123     ret = MSI_SetPropertyW( package, szName, szValue);
1124     msiobj_release( &package->hdr );
1125     return ret;
1126 }
1127
1128 /* internal function, not compatible with MsiGetPropertyW */
1129 UINT MSI_GetPropertyW( MSIPACKAGE *package, LPCWSTR szName,
1130                        LPWSTR szValueBuf, DWORD* pchValueBuf )
1131 {
1132     msi_property *prop;
1133     UINT r, len;
1134
1135     if (*pchValueBuf > 0)
1136         szValueBuf[0] = 0;
1137
1138     prop = msi_prop_find( package, szName );
1139     if (!prop)
1140     {
1141         *pchValueBuf = 0;
1142         TRACE("property %s not found\n", debugstr_w(szName));
1143         return ERROR_FUNCTION_FAILED;
1144     }
1145
1146     if (prop->value)
1147     {
1148         len = lstrlenW( prop->value );
1149         lstrcpynW(szValueBuf, prop->value, *pchValueBuf);
1150     }
1151     else
1152     {
1153         len = 1;
1154         if( *pchValueBuf > 0 )
1155             szValueBuf[0] = 0;
1156     }
1157
1158     TRACE("%s -> %s\n", debugstr_w(szName), debugstr_w(szValueBuf));
1159
1160     if ( *pchValueBuf <= len )
1161     {
1162         TRACE("have %u, need %u -> ERROR_MORE_DATA\n", *pchValueBuf, len);
1163         r = ERROR_MORE_DATA;
1164     }
1165     else
1166         r = ERROR_SUCCESS;
1167
1168     *pchValueBuf = len;
1169
1170     return r;
1171 }
1172
1173 LPWSTR msi_dup_property( MSIPACKAGE *package, LPCWSTR szName )
1174 {
1175     msi_property *prop;
1176     LPWSTR value = NULL;
1177
1178     prop = msi_prop_find( package, szName );
1179     if (prop)
1180         value = strdupW( prop->value );
1181
1182     return value;
1183 }
1184
1185 int msi_get_property_int( MSIPACKAGE *package, LPCWSTR name, int value )
1186 {
1187     msi_property *prop;
1188
1189     prop = msi_prop_find( package, name );
1190     if (prop)
1191         value = atoiW( prop->value );
1192     return value;
1193 }
1194
1195 static UINT MSI_GetProperty( MSIHANDLE handle, LPCWSTR name,
1196                              awstring *szValueBuf, DWORD* pchValueBuf )
1197 {
1198     static const WCHAR empty[] = {0};
1199     msi_property *prop;
1200     MSIPACKAGE *package;
1201     UINT r;
1202     LPCWSTR val = NULL;
1203
1204     TRACE("%lu %s %p %p\n", handle, debugstr_w(name),
1205           szValueBuf->str.w, pchValueBuf );
1206
1207     if (!name)
1208         return ERROR_INVALID_PARAMETER;
1209
1210     package = msihandle2msiinfo( handle, MSIHANDLETYPE_PACKAGE );
1211     if (!package)
1212         return ERROR_INVALID_HANDLE;
1213
1214     prop = msi_prop_find( package, name );
1215     if (prop)
1216         val = prop->value;
1217
1218     if (!val)
1219         val = empty;
1220
1221     r = msi_strcpy_to_awstring( val, szValueBuf, pchValueBuf );
1222
1223     msiobj_release( &package->hdr );
1224
1225     return r;
1226 }
1227
1228 UINT WINAPI MsiGetPropertyA( MSIHANDLE hInstall, LPCSTR szName,
1229                              LPSTR szValueBuf, DWORD* pchValueBuf )
1230 {
1231     awstring val;
1232     LPWSTR name;
1233     UINT r;
1234
1235     val.unicode = FALSE;
1236     val.str.a = szValueBuf;
1237
1238     name = strdupAtoW( szName );
1239     if (szName && !name)
1240         return ERROR_OUTOFMEMORY;
1241
1242     r = MSI_GetProperty( hInstall, name, &val, pchValueBuf );
1243
1244     /*
1245      * bug emulation!
1246      * When executed in a custom action, this function reports strings are twice as long !?!
1247      */
1248     if ((r == ERROR_SUCCESS || r == ERROR_MORE_DATA) && pchValueBuf && TlsGetValue( tls_slot ))
1249     {
1250         *pchValueBuf *= sizeof(WCHAR);
1251         TRACE("bug emulation, pchValueBuf = %d\n", *pchValueBuf);
1252     }
1253
1254     msi_free( name );
1255     return r;
1256 }
1257
1258 UINT WINAPI MsiGetPropertyW( MSIHANDLE hInstall, LPCWSTR szName,
1259                              LPWSTR szValueBuf, DWORD* pchValueBuf )
1260 {
1261     awstring val;
1262
1263     val.unicode = TRUE;
1264     val.str.w = szValueBuf;
1265
1266     return MSI_GetProperty( hInstall, szName, &val, pchValueBuf );
1267 }