dlls/msi/suminfo.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002, 2005 Mike McCormack 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 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winnls.h"
  30 #include "shlwapi.h"
  31 #include "wine/debug.h"
  32 #include "msi.h"
  33 #include "msiquery.h"
  34 #include "msidefs.h"
  35 #include "msipriv.h"
  36 #include "objidl.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  39
  40 #include "pshpack1.h"
  41
  42 typedef struct {
  43     WORD wByteOrder;
  44     WORD wFormat;
  45     DWORD dwOSVer;
  46     CLSID clsID;
  47     DWORD reserved;
  48 } PROPERTYSETHEADER;
  49
  50 typedef struct {
  51     FMTID fmtid;
  52     DWORD dwOffset;
  53 } FORMATIDOFFSET;
  54
  55 typedef struct {
  56     DWORD cbSection;
  57     DWORD cProperties;
  58 } PROPERTYSECTIONHEADER;
  59
  60 typedef struct {
  61     DWORD propid;
  62     DWORD dwOffset;
  63 } PROPERTYIDOFFSET;
  64
  65 typedef struct {
  66     DWORD type;
  67     union {
  68         INT i4;
  69         SHORT i2;
  70         FILETIME ft;
  71         struct {
  72             DWORD len;
  73             BYTE str[1];
  74         } str;
  75     } u;
  76 } PROPERTY_DATA;
  77
  78 #include "poppack.h"
  79
  80 #define SECT_HDR_SIZE (sizeof(PROPERTYSECTIONHEADER))
  81
  82 static const WCHAR szSumInfo[] = { 5 ,'S','u','m','m','a','r','y',
  83                        'I','n','f','o','r','m','a','t','i','o','n',0 };
  84
  85 static void free_prop( PROPVARIANT *prop )
  86 {
  87     if (prop->vt == VT_LPSTR )
  88         msi_free( prop->u.pszVal );
  89     prop->vt = VT_EMPTY;
  90 }
  91
  92 static void MSI_CloseSummaryInfo( MSIOBJECTHDR *arg )
  93 {
  94     MSISUMMARYINFO *si = (MSISUMMARYINFO *) arg;
  95     DWORD i;
  96
  97     for( i = 0; i < MSI_MAX_PROPS; i++ )
  98         free_prop( &si->property[i] );
  99     IStorage_Release( si->storage );
 100 }
 101
 102 static UINT get_type( UINT uiProperty )
 103 {
 104     switch( uiProperty )
 105     {
 106     case PID_CODEPAGE:
 107          return VT_I2;
 108
 109     case PID_SUBJECT:
 110     case PID_AUTHOR:
 111     case PID_KEYWORDS:
 112     case PID_COMMENTS:
 113     case PID_TEMPLATE:
 114     case PID_LASTAUTHOR:
 115     case PID_REVNUMBER:
 116     case PID_APPNAME:
 117     case PID_TITLE:
 118          return VT_LPSTR;
 119
 120     case PID_LASTPRINTED:
 121     case PID_CREATE_DTM:
 122     case PID_LASTSAVE_DTM:
 123          return VT_FILETIME;
 124
 125     case PID_WORDCOUNT:
 126     case PID_CHARCOUNT:
 127     case PID_SECURITY:
 128     case PID_PAGECOUNT:
 129          return VT_I4;
 130     }
 131     return VT_EMPTY;
 132 }
 133
 134 static UINT get_property_count( PROPVARIANT *property )
 135 {
 136     UINT i, n = 0;
 137
 138     if( !property )
 139         return n;
 140     for( i = 0; i < MSI_MAX_PROPS; i++ )
 141         if( property[i].vt != VT_EMPTY )
 142             n++;
 143     return n;
 144 }
 145
 146 /* FIXME: doesn't deal with endian conversion */
 147 static void read_properties_from_data( PROPVARIANT *prop, LPBYTE data, DWORD sz )
 148 {
 149     UINT type;
 150     DWORD i;
 151     int size;
 152     PROPERTY_DATA *propdata;
 153     PROPVARIANT *property;
 154     PROPERTYIDOFFSET *idofs;
 155     PROPERTYSECTIONHEADER *section_hdr;
 156
 157     section_hdr = (PROPERTYSECTIONHEADER*) &data[0];
 158     idofs = (PROPERTYIDOFFSET*) &data[SECT_HDR_SIZE];
 159
 160     /* now set all the properties */
 161     for( i = 0; i < section_hdr->cProperties; i++ )
 162     {
 163         type = get_type( idofs[i].propid );
 164         if( type == VT_EMPTY )
 165         {
 166             ERR("propid %d has unknown type\n", idofs[i].propid);
 167             break;
 168         }
 169
 170         propdata = (PROPERTY_DATA*) &data[ idofs[i].dwOffset ];
 171
 172         /* check the type is the same as we expect */
 173         if( type != propdata->type )
 174         {
 175             ERR("wrong type %d != %d\n", type, propdata->type);
 176             break;
 177         }
 178
 179         /* check we don't run off the end of the data */
 180         size = sz - idofs[i].dwOffset - sizeof(DWORD);
 181         if( sizeof(DWORD) > size ||
 182             ( type == VT_FILETIME && sizeof(FILETIME) > size ) ||
 183             ( type == VT_LPSTR && (propdata->u.str.len + sizeof(DWORD)) > size ) )
 184         {
 185             ERR("not enough data\n");
 186             break;
 187         }
 188
 189         if( idofs[i].propid >= MSI_MAX_PROPS )
 190         {
 191             ERR("Unknown property ID %d\n", idofs[i].propid );
 192             break;
 193         }
 194
 195         property = &prop[ idofs[i].propid ];
 196         property->vt = type;
 197
 198         if( type == VT_LPSTR )
 199         {
 200             LPSTR str = msi_alloc( propdata->u.str.len );
 201             memcpy( str, propdata->u.str.str, propdata->u.str.len );
 202             str[ propdata->u.str.len - 1 ] = 0;
 203             property->u.pszVal = str;
 204         }
 205         else if( type == VT_FILETIME )
 206             property->u.filetime = propdata->u.ft;
 207         else if( type == VT_I2 )
 208             property->u.iVal = propdata->u.i2;
 209         else if( type == VT_I4 )
 210             property->u.lVal = propdata->u.i4;
 211     }
 212 }
 213
 214 static UINT load_summary_info( MSISUMMARYINFO *si, IStream *stm )
 215 {
 216     UINT ret = ERROR_FUNCTION_FAILED;
 217     PROPERTYSETHEADER set_hdr;
 218     FORMATIDOFFSET format_hdr;
 219     PROPERTYSECTIONHEADER section_hdr;
 220     LPBYTE data = NULL;
 221     LARGE_INTEGER ofs;
 222     ULONG count, sz;
 223     HRESULT r;
 224
 225     TRACE("%p %p\n", si, stm);
 226
 227     /* read the header */
 228     sz = sizeof set_hdr;
 229     r = IStream_Read( stm, &set_hdr, sz, &count );
 230     if( FAILED(r) || count != sz )
 231         return ret;
 232
 233     if( set_hdr.wByteOrder != 0xfffe )
 234     {
 235         ERR("property set not big-endian %04X\n", set_hdr.wByteOrder);
 236         return ret;
 237     }
 238
 239     sz = sizeof format_hdr;
 240     r = IStream_Read( stm, &format_hdr, sz, &count );
 241     if( FAILED(r) || count != sz )
 242         return ret;
 243
 244     /* check the format id is correct */
 245     if( !IsEqualGUID( &FMTID_SummaryInformation, &format_hdr.fmtid ) )
 246         return ret;
 247
 248     /* seek to the location of the section */
 249     ofs.QuadPart = format_hdr.dwOffset;
 250     r = IStream_Seek( stm, ofs, STREAM_SEEK_SET, NULL );
 251     if( FAILED(r) )
 252         return ret;
 253
 254     /* read the section itself */
 255     sz = SECT_HDR_SIZE;
 256     r = IStream_Read( stm, &section_hdr, sz, &count );
 257     if( FAILED(r) || count != sz )
 258         return ret;
 259
 260     if( section_hdr.cProperties > MSI_MAX_PROPS )
 261     {
 262         ERR("too many properties %d\n", section_hdr.cProperties);
 263         return ret;
 264     }
 265
 266     data = msi_alloc( section_hdr.cbSection);
 267     if( !data )
 268         return ret;
 269
 270     memcpy( data, &section_hdr, SECT_HDR_SIZE );
 271
 272     /* read all the data in one go */
 273     sz = section_hdr.cbSection - SECT_HDR_SIZE;
 274     r = IStream_Read( stm, &data[ SECT_HDR_SIZE ], sz, &count );
 275     if( SUCCEEDED(r) && count == sz )
 276         read_properties_from_data( si->property, data, sz + SECT_HDR_SIZE );
 277     else
 278         ERR("failed to read properties %d %d\n", count, sz);
 279
 280     msi_free( data );
 281     return ret;
 282 }
 283
 284 static DWORD write_dword( LPBYTE data, DWORD ofs, DWORD val )
 285 {
 286     if( data )
 287     {
 288         data[ofs++] = val&0xff;
 289         data[ofs++] = (val>>8)&0xff;
 290         data[ofs++] = (val>>16)&0xff;
 291         data[ofs++] = (val>>24)&0xff;
 292     }
 293     return 4;
 294 }
 295
 296 static DWORD write_filetime( LPBYTE data, DWORD ofs, LPFILETIME ft )
 297 {
 298     write_dword( data, ofs, ft->dwLowDateTime );
 299     write_dword( data, ofs + 4, ft->dwHighDateTime );
 300     return 8;
 301 }
 302
 303 static DWORD write_string( LPBYTE data, DWORD ofs, LPCSTR str )
 304 {
 305     DWORD len = lstrlenA( str ) + 1;
 306     write_dword( data, ofs, len );
 307     if( data )
 308         memcpy( &data[ofs + 4], str, len );
 309     return (7 + len) & ~3;
 310 }
 311
 312 static UINT write_property_to_data( PROPVARIANT *prop, LPBYTE data )
 313 {
 314     DWORD sz = 0;
 315
 316     if( prop->vt == VT_EMPTY )
 317         return sz;
 318
 319     /* add the type */
 320     sz += write_dword( data, sz, prop->vt );
 321     switch( prop->vt )
 322     {
 323     case VT_I2:
 324         sz += write_dword( data, sz, prop->u.iVal );
 325         break;
 326     case VT_I4:
 327         sz += write_dword( data, sz, prop->u.lVal );
 328         break;
 329     case VT_FILETIME:
 330         sz += write_filetime( data, sz, &prop->u.filetime );
 331         break;
 332     case VT_LPSTR:
 333         sz += write_string( data, sz, prop->u.pszVal );
 334         break;
 335     }
 336     return sz;
 337 }
 338
 339 static UINT save_summary_info( MSISUMMARYINFO * si, IStream *stm )
 340 {
 341     UINT ret = ERROR_FUNCTION_FAILED;
 342     PROPERTYSETHEADER set_hdr;
 343     FORMATIDOFFSET format_hdr;
 344     PROPERTYSECTIONHEADER section_hdr;
 345     PROPERTYIDOFFSET idofs[MSI_MAX_PROPS];
 346     LPBYTE data = NULL;
 347     ULONG count, sz;
 348     HRESULT r;
 349     int i, n;
 350
 351     /* write the header */
 352     sz = sizeof set_hdr;
 353     memset( &set_hdr, 0, sz );
 354     set_hdr.wByteOrder = 0xfffe;
 355     set_hdr.wFormat = 0;
 356     set_hdr.dwOSVer = 0x00020005; /* build 5, platform id 2 */
 357     /* set_hdr.clsID is {00000000-0000-0000-0000-000000000000} */
 358     set_hdr.reserved = 1;
 359     r = IStream_Write( stm, &set_hdr, sz, &count );
 360     if( FAILED(r) || count != sz )
 361         return ret;
 362
 363     /* write the format header */
 364     sz = sizeof format_hdr;
 365     memcpy( &format_hdr.fmtid, &FMTID_SummaryInformation, sizeof (FMTID) );
 366     format_hdr.dwOffset = sizeof format_hdr + sizeof set_hdr;
 367     r = IStream_Write( stm, &format_hdr, sz, &count );
 368     if( FAILED(r) || count != sz )
 369         return ret;
 370
 371     /* add up how much space the data will take and calculate the offsets */
 372     section_hdr.cbSection = sizeof section_hdr;
 373     section_hdr.cbSection += (get_property_count( si->property ) * sizeof idofs[0]);
 374     section_hdr.cProperties = 0;
 375     n = 0;
 376     for( i = 0; i < MSI_MAX_PROPS; i++ )
 377     {
 378         sz = write_property_to_data( &si->property[i], NULL );
 379         if( !sz )
 380             continue;
 381         idofs[ section_hdr.cProperties ].propid = i;
 382         idofs[ section_hdr.cProperties ].dwOffset = section_hdr.cbSection;
 383         section_hdr.cProperties++;
 384         section_hdr.cbSection += sz;
 385     }
 386
 387     data = msi_alloc_zero( section_hdr.cbSection );
 388
 389     sz = 0;
 390     memcpy( &data[sz], &section_hdr, sizeof section_hdr );
 391     sz += sizeof section_hdr;
 392
 393     memcpy( &data[sz], idofs, section_hdr.cProperties * sizeof idofs[0] );
 394     sz += section_hdr.cProperties * sizeof idofs[0];
 395
 396     /* write out the data */
 397     for( i = 0; i < MSI_MAX_PROPS; i++ )
 398         sz += write_property_to_data( &si->property[i], &data[sz] );
 399
 400     r = IStream_Write( stm, data, sz, &count );
 401     msi_free( data );
 402     if( FAILED(r) || count != sz )
 403         return ret;
 404
 405     return ERROR_SUCCESS;
 406 }
 407
 408 MSISUMMARYINFO *MSI_GetSummaryInformationW( IStorage *stg, UINT uiUpdateCount )
 409 {
 410     IStream *stm = NULL;
 411     MSISUMMARYINFO *si;
 412     DWORD grfMode;
 413     HRESULT r;
 414
 415     TRACE("%p %d\n", stg, uiUpdateCount );
 416
 417     si = alloc_msiobject( MSIHANDLETYPE_SUMMARYINFO,
 418                   sizeof (MSISUMMARYINFO), MSI_CloseSummaryInfo );
 419     if( !si )
 420         return si;
 421
 422     memset( &si->property, 0, sizeof si->property );
 423     si->update_count = uiUpdateCount;
 424     IStorage_AddRef( stg );
 425     si->storage = stg;
 426
 427     /* read the stream... if we fail, we'll start with an empty property set */
 428     grfMode = STGM_READ | STGM_SHARE_EXCLUSIVE;
 429     r = IStorage_OpenStream( si->storage, szSumInfo, 0, grfMode, 0, &stm );
 430     if( SUCCEEDED(r) )
 431     {
 432         load_summary_info( si, stm );
 433         IStream_Release( stm );
 434     }
 435
 436     return si;
 437 }
 438
 439 UINT WINAPI MsiGetSummaryInformationW( MSIHANDLE hDatabase,
 440               LPCWSTR szDatabase, UINT uiUpdateCount, MSIHANDLE *pHandle )
 441 {
 442     MSISUMMARYINFO *si;
 443     MSIDATABASE *db;
 444     UINT ret = ERROR_FUNCTION_FAILED;
 445
 446     TRACE("%ld %s %d %p\n", hDatabase, debugstr_w(szDatabase),
 447            uiUpdateCount, pHandle);
 448
 449     if( !pHandle )
 450         return ERROR_INVALID_PARAMETER;
 451
 452     if( szDatabase )
 453     {
 454         ret = MSI_OpenDatabaseW( szDatabase, NULL, &db );
 455         if( ret != ERROR_SUCCESS )
 456             return ret;
 457     }
 458     else
 459     {
 460         db = msihandle2msiinfo( hDatabase, MSIHANDLETYPE_DATABASE );
 461         if( !db )
 462             return ERROR_INVALID_PARAMETER;
 463     }
 464
 465     si = MSI_GetSummaryInformationW( db->storage, uiUpdateCount );
 466     if (si)
 467     {
 468         *pHandle = alloc_msihandle( &si->hdr );
 469         if( *pHandle )
 470             ret = ERROR_SUCCESS;
 471         else
 472             ret = ERROR_NOT_ENOUGH_MEMORY;
 473         msiobj_release( &si->hdr );
 474     }
 475
 476     if( db )
 477         msiobj_release( &db->hdr );
 478
 479     return ret;
 480 }
 481
 482 UINT WINAPI MsiGetSummaryInformationA(MSIHANDLE hDatabase,
 483               LPCSTR szDatabase, UINT uiUpdateCount, MSIHANDLE *pHandle)
 484 {
 485     LPWSTR szwDatabase = NULL;
 486     UINT ret;
 487
 488     TRACE("%ld %s %d %p\n", hDatabase, debugstr_a(szDatabase),
 489           uiUpdateCount, pHandle);
 490
 491     if( szDatabase )
 492     {
 493         szwDatabase = strdupAtoW( szDatabase );
 494         if( !szwDatabase )
 495             return ERROR_FUNCTION_FAILED;
 496     }
 497
 498     ret = MsiGetSummaryInformationW(hDatabase, szwDatabase, uiUpdateCount, pHandle);
 499
 500     msi_free( szwDatabase );
 501
 502     return ret;
 503 }
 504
 505 UINT WINAPI MsiSummaryInfoGetPropertyCount(MSIHANDLE hSummaryInfo, UINT *pCount)
 506 {
 507     MSISUMMARYINFO *si;
 508
 509     TRACE("%ld %p\n", hSummaryInfo, pCount);
 510
 511     si = msihandle2msiinfo( hSummaryInfo, MSIHANDLETYPE_SUMMARYINFO );
 512     if( !si )
 513         return ERROR_INVALID_HANDLE;
 514
 515     if( pCount )
 516         *pCount = get_property_count( si->property );
 517     msiobj_release( &si->hdr );
 518
 519     return ERROR_SUCCESS;
 520 }
 521
 522 static UINT get_prop( MSIHANDLE handle, UINT uiProperty, UINT *puiDataType,
 523           INT *piValue, FILETIME *pftValue, awstring *str, DWORD *pcchValueBuf)
 524 {
 525     MSISUMMARYINFO *si;
 526     PROPVARIANT *prop;
 527     UINT ret = ERROR_SUCCESS;
 528
 529     TRACE("%ld %d %p %p %p %p %p\n", handle, uiProperty, puiDataType,
 530           piValue, pftValue, str, pcchValueBuf);
 531
 532     si = msihandle2msiinfo( handle, MSIHANDLETYPE_SUMMARYINFO );
 533     if( !si )
 534         return ERROR_INVALID_HANDLE;
 535
 536     if ( uiProperty >= MSI_MAX_PROPS )
 537     {
 538         *puiDataType = VT_EMPTY;
 539         return ret;
 540     }
 541
 542     prop = &si->property[uiProperty];
 543
 544     if( puiDataType )
 545         *puiDataType = prop->vt;
 546
 547     switch( prop->vt )
 548     {
 549     case VT_I2:
 550         if( piValue )
 551             *piValue = prop->u.iVal;
 552         break;
 553     case VT_I4:
 554         if( piValue )
 555             *piValue = prop->u.lVal;
 556         break;
 557     case VT_LPSTR:
 558         if( pcchValueBuf )
 559         {
 560             DWORD len = 0;
 561
 562             if( str->unicode )
 563             {
 564                 len = MultiByteToWideChar( CP_ACP, 0, prop->u.pszVal, -1,
 565                                            str->str.w, *pcchValueBuf );
 566                 len--;
 567             }
 568             else
 569             {
 570                 len = lstrlenA( prop->u.pszVal );
 571                 if( str->str.a )
 572                     lstrcpynA(str->str.a, prop->u.pszVal, *pcchValueBuf );
 573             }
 574             if (len >= *pcchValueBuf)
 575                 ret = ERROR_MORE_DATA;
 576             *pcchValueBuf = len;
 577         }
 578         break;
 579     case VT_FILETIME:
 580         if( pftValue )
 581             memcpy(pftValue, &prop->u.filetime, sizeof (FILETIME) );
 582         break;
 583     case VT_EMPTY:
 584         break;
 585     default:
 586         FIXME("Unknown property variant type\n");
 587         break;
 588     }
 589     msiobj_release( &si->hdr );
 590     return ret;
 591 }
 592
 593 LPWSTR msi_suminfo_dup_string( MSISUMMARYINFO *si, UINT uiProperty )
 594 {
 595     PROPVARIANT *prop;
 596
 597     if ( uiProperty >= MSI_MAX_PROPS )
 598         return NULL;
 599     prop = &si->property[uiProperty];
 600     if( prop->vt != VT_LPSTR )
 601         return NULL;
 602     return strdupAtoW( prop->u.pszVal );
 603 }
 604
 605 LPWSTR msi_get_suminfo_product( IStorage *stg )
 606 {
 607     MSISUMMARYINFO *si;
 608     LPWSTR prod;
 609
 610     si = MSI_GetSummaryInformationW( stg, 0 );
 611     if (!si)
 612     {
 613         ERR("no summary information!\n");
 614         return NULL;
 615     }
 616     prod = msi_suminfo_dup_string( si, PID_REVNUMBER );
 617     msiobj_release( &si->hdr );
 618     return prod;
 619 }
 620
 621 UINT WINAPI MsiSummaryInfoGetPropertyA(
 622       MSIHANDLE handle, UINT uiProperty, UINT *puiDataType, INT *piValue,
 623       FILETIME *pftValue, LPSTR szValueBuf, DWORD *pcchValueBuf)
 624 {
 625     awstring str;
 626
 627     TRACE("%ld %d %p %p %p %p %p\n", handle, uiProperty, puiDataType,
 628           piValue, pftValue, szValueBuf, pcchValueBuf );
 629
 630     str.unicode = FALSE;
 631     str.str.a = szValueBuf;
 632
 633     return get_prop( handle, uiProperty, puiDataType, piValue,
 634                      pftValue, &str, pcchValueBuf );
 635 }
 636
 637 UINT WINAPI MsiSummaryInfoGetPropertyW(
 638       MSIHANDLE handle, UINT uiProperty, UINT *puiDataType, INT *piValue,
 639       FILETIME *pftValue, LPWSTR szValueBuf, DWORD *pcchValueBuf)
 640 {
 641     awstring str;
 642
 643     TRACE("%ld %d %p %p %p %p %p\n", handle, uiProperty, puiDataType,
 644           piValue, pftValue, szValueBuf, pcchValueBuf );
 645
 646     str.unicode = TRUE;
 647     str.str.w = szValueBuf;
 648
 649     return get_prop( handle, uiProperty, puiDataType, piValue,
 650                      pftValue, &str, pcchValueBuf );
 651 }
 652
 653 static UINT set_prop( MSIHANDLE handle, UINT uiProperty, UINT uiDataType,
 654                INT iValue, FILETIME* pftValue, awcstring *str )
 655 {
 656     MSISUMMARYINFO *si;
 657     PROPVARIANT *prop;
 658     UINT type, len, ret = ERROR_SUCCESS;
 659
 660     TRACE("%ld %u %u %i %p %p\n", handle, uiProperty, uiDataType,
 661           iValue, pftValue, str );
 662
 663     type = get_type( uiProperty );
 664     if( type == VT_EMPTY || type != uiDataType )
 665         return ERROR_DATATYPE_MISMATCH;
 666
 667     if( uiDataType == VT_LPSTR && !str->str.w )
 668         return ERROR_INVALID_PARAMETER;
 669
 670     if( uiDataType == VT_FILETIME && !pftValue )
 671         return ERROR_INVALID_PARAMETER;
 672
 673     si = msihandle2msiinfo( handle, MSIHANDLETYPE_SUMMARYINFO );
 674     if( !si )
 675         return ERROR_INVALID_HANDLE;
 676
 677     prop = &si->property[uiProperty];
 678
 679     if( prop->vt == VT_EMPTY )
 680     {
 681         if( !si->update_count )
 682         {
 683             ret = ERROR_FUNCTION_FAILED;
 684             goto end;
 685         }
 686         si->update_count--;
 687     }
 688     else if( prop->vt != type )
 689         goto end;
 690
 691     free_prop( prop );
 692     prop->vt = type;
 693     switch( type )
 694     {
 695     case VT_I4:
 696         prop->u.lVal = iValue;
 697         break;
 698     case VT_I2:
 699         prop->u.iVal = iValue;
 700         break;
 701     case VT_FILETIME:
 702         memcpy( &prop->u.filetime, pftValue, sizeof prop->u.filetime );
 703         break;
 704     case VT_LPSTR:
 705         if( str->unicode )
 706         {
 707             len = WideCharToMultiByte( CP_ACP, 0, str->str.w, -1,
 708                                        NULL, 0, NULL, NULL );
 709             prop->u.pszVal = msi_alloc( len );
 710             WideCharToMultiByte( CP_ACP, 0, str->str.w, -1,
 711                                  prop->u.pszVal, len, NULL, NULL );
 712         }
 713         else
 714         {
 715             len = lstrlenA( str->str.a ) + 1;
 716             prop->u.pszVal = msi_alloc( len );
 717             lstrcpyA( prop->u.pszVal, str->str.a );
 718         }
 719         break;
 720     }
 721
 722 end:
 723     msiobj_release( &si->hdr );
 724     return ret;
 725 }
 726
 727 UINT WINAPI MsiSummaryInfoSetPropertyW( MSIHANDLE handle, UINT uiProperty,
 728                UINT uiDataType, INT iValue, FILETIME* pftValue, LPCWSTR szValue )
 729 {
 730     awcstring str;
 731
 732     TRACE("%ld %u %u %i %p %s\n", handle, uiProperty, uiDataType,
 733           iValue, pftValue, debugstr_w(szValue) );
 734
 735     str.unicode = TRUE;
 736     str.str.w = szValue;
 737     return set_prop( handle, uiProperty, uiDataType, iValue, pftValue, &str );
 738 }
 739
 740 UINT WINAPI MsiSummaryInfoSetPropertyA( MSIHANDLE handle, UINT uiProperty,
 741                UINT uiDataType, INT iValue, FILETIME* pftValue, LPCSTR szValue )
 742 {
 743     awcstring str;
 744
 745     TRACE("%ld %u %u %i %p %s\n", handle, uiProperty, uiDataType,
 746           iValue, pftValue, debugstr_a(szValue) );
 747
 748     str.unicode = FALSE;
 749     str.str.a = szValue;
 750     return set_prop( handle, uiProperty, uiDataType, iValue, pftValue, &str );
 751 }
 752
 753 UINT WINAPI MsiSummaryInfoPersist( MSIHANDLE handle )
 754 {
 755     IStream *stm = NULL;
 756     MSISUMMARYINFO *si;
 757     DWORD grfMode;
 758     HRESULT r;
 759     UINT ret = ERROR_FUNCTION_FAILED;
 760
 761     TRACE("%ld\n", handle );
 762
 763     si = msihandle2msiinfo( handle, MSIHANDLETYPE_SUMMARYINFO );
 764     if( !si )
 765         return ERROR_INVALID_HANDLE;
 766
 767     grfMode = STGM_CREATE | STGM_READWRITE | STGM_SHARE_EXCLUSIVE;
 768     r = IStorage_CreateStream( si->storage, szSumInfo, grfMode, 0, 0, &stm );
 769     if( SUCCEEDED(r) )
 770     {
 771         ret = save_summary_info( si, stm );
 772         IStream_Release( stm );
 773     }
 774     msiobj_release( &si->hdr );
 775
 776     return ret;
 777 }