dlls/msi/database.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002,2003,2004,2005 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 "wine/debug.h"
  31 #include "wine/unicode.h"
  32 #include "msi.h"
  33 #include "msiquery.h"
  34 #include "msipriv.h"
  35 #include "objidl.h"
  36 #include "objbase.h"
  37 #include "msiserver.h"
  38 #include "query.h"
  39
  40 #include "initguid.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  43
  44 DEFINE_GUID( CLSID_MsiDatabase, 0x000c1084, 0x0000, 0x0000,
  45              0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
  46 DEFINE_GUID( CLSID_MsiPatch, 0x000c1086, 0x0000, 0x0000,
  47              0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
  48
  49 /*
  50  *  .MSI  file format
  51  *
  52  *  An .msi file is a structured storage file.
  53  *  It contains a number of streams.
  54  *  A stream for each table in the database.
  55  *  Two streams for the string table in the database.
  56  *  Any binary data in a table is a reference to a stream.
  57  */
  58
  59 static VOID MSI_CloseDatabase( MSIOBJECTHDR *arg )
  60 {
  61     MSIDATABASE *db = (MSIDATABASE *) arg;
  62
  63     msi_free(db->path);
  64     free_cached_tables( db );
  65     msi_free_transforms( db );
  66     msi_destroy_stringtable( db->strings );
  67     IStorage_Release( db->storage );
  68     if (db->deletefile)
  69     {
  70         DeleteFileW( db->deletefile );
  71         msi_free( db->deletefile );
  72     }
  73 }
  74
  75 UINT MSI_OpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIDATABASE **pdb)
  76 {
  77     IStorage *stg = NULL;
  78     HRESULT r;
  79     MSIDATABASE *db = NULL;
  80     UINT ret = ERROR_FUNCTION_FAILED;
  81     LPCWSTR szMode, save_path;
  82     STATSTG stat;
  83     BOOL created = FALSE;
  84     WCHAR path[MAX_PATH];
  85
  86     static const WCHAR backslash[] = {'\\',0};
  87     static const WCHAR szTables[]  = { '_','T','a','b','l','e','s',0 };
  88
  89     TRACE("%s %s\n",debugstr_w(szDBPath),debugstr_w(szPersist) );
  90
  91     if( !pdb )
  92         return ERROR_INVALID_PARAMETER;
  93
  94     if (szPersist - MSIDBOPEN_PATCHFILE >= MSIDBOPEN_READONLY &&
  95         szPersist - MSIDBOPEN_PATCHFILE <= MSIDBOPEN_CREATEDIRECT)
  96     {
  97         TRACE("Database is a patch\n");
  98         szPersist -= MSIDBOPEN_PATCHFILE;
  99     }
 100
 101     save_path = szDBPath;
 102     szMode = szPersist;
 103     if( HIWORD( szPersist ) )
 104     {
 105         if (!CopyFileW( szDBPath, szPersist, FALSE ))
 106             return ERROR_OPEN_FAILED;
 107
 108         szDBPath = szPersist;
 109         szPersist = MSIDBOPEN_TRANSACT;
 110         created = TRUE;
 111     }
 112
 113     if( szPersist == MSIDBOPEN_READONLY )
 114     {
 115         r = StgOpenStorage( szDBPath, NULL,
 116               STGM_DIRECT|STGM_READ|STGM_SHARE_DENY_WRITE, NULL, 0, &stg);
 117     }
 118     else if( szPersist == MSIDBOPEN_CREATE || szPersist == MSIDBOPEN_CREATEDIRECT )
 119     {
 120         /* FIXME: MSIDBOPEN_CREATE should case STGM_TRANSACTED flag to be
 121          * used here: */
 122         r = StgCreateDocfile( szDBPath,
 123               STGM_CREATE|STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &stg);
 124         if( r == ERROR_SUCCESS )
 125         {
 126             IStorage_SetClass( stg, &CLSID_MsiDatabase );
 127             /* create the _Tables stream */
 128             r = write_stream_data(stg, szTables, NULL, 0, TRUE);
 129             if (SUCCEEDED(r))
 130                 r = msi_init_string_table( stg );
 131         }
 132         created = TRUE;
 133     }
 134     else if( szPersist == MSIDBOPEN_TRANSACT )
 135     {
 136         /* FIXME: MSIDBOPEN_TRANSACT should case STGM_TRANSACTED flag to be
 137          * used here: */
 138         r = StgOpenStorage( szDBPath, NULL,
 139               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 140     }
 141     else if( szPersist == MSIDBOPEN_DIRECT )
 142     {
 143         r = StgOpenStorage( szDBPath, NULL,
 144               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 145     }
 146     else
 147     {
 148         ERR("unknown flag %p\n",szPersist);
 149         return ERROR_INVALID_PARAMETER;
 150     }
 151
 152     if( FAILED( r ) || !stg )
 153     {
 154         FIXME("open failed r = %08x for %s\n", r, debugstr_w(szDBPath));
 155         return ERROR_FUNCTION_FAILED;
 156     }
 157
 158     r = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
 159     if( FAILED( r ) )
 160     {
 161         FIXME("Failed to stat storage\n");
 162         goto end;
 163     }
 164
 165     if ( !IsEqualGUID( &stat.clsid, &CLSID_MsiDatabase ) &&
 166          !IsEqualGUID( &stat.clsid, &CLSID_MsiPatch ) )
 167     {
 168         ERR("storage GUID is not a MSI database GUID %s\n",
 169              debugstr_guid(&stat.clsid) );
 170         goto end;
 171     }
 172
 173     db = alloc_msiobject( MSIHANDLETYPE_DATABASE, sizeof (MSIDATABASE),
 174                               MSI_CloseDatabase );
 175     if( !db )
 176     {
 177         FIXME("Failed to allocate a handle\n");
 178         goto end;
 179     }
 180
 181     if (!strchrW( save_path, '\\' ))
 182     {
 183         GetCurrentDirectoryW( MAX_PATH, path );
 184         lstrcatW( path, backslash );
 185         lstrcatW( path, save_path );
 186     }
 187     else
 188         lstrcpyW( path, save_path );
 189
 190     db->path = strdupW( path );
 191
 192     if( TRACE_ON( msi ) )
 193         enum_stream_names( stg );
 194
 195     db->storage = stg;
 196     db->mode = szMode;
 197     if (created)
 198         db->deletefile = strdupW( szDBPath );
 199     else
 200         db->deletefile = NULL;
 201     list_init( &db->tables );
 202     list_init( &db->transforms );
 203
 204     db->strings = msi_load_string_table( stg, &db->bytes_per_strref );
 205     if( !db->strings )
 206         goto end;
 207
 208     ret = ERROR_SUCCESS;
 209
 210     msiobj_addref( &db->hdr );
 211     IStorage_AddRef( stg );
 212     *pdb = db;
 213
 214 end:
 215     if( db )
 216         msiobj_release( &db->hdr );
 217     if( stg )
 218         IStorage_Release( stg );
 219
 220     return ret;
 221 }
 222
 223 UINT WINAPI MsiOpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIHANDLE *phDB)
 224 {
 225     MSIDATABASE *db;
 226     UINT ret;
 227
 228     TRACE("%s %s %p\n",debugstr_w(szDBPath),debugstr_w(szPersist), phDB);
 229
 230     ret = MSI_OpenDatabaseW( szDBPath, szPersist, &db );
 231     if( ret == ERROR_SUCCESS )
 232     {
 233         *phDB = alloc_msihandle( &db->hdr );
 234         if (! *phDB)
 235             ret = ERROR_NOT_ENOUGH_MEMORY;
 236         msiobj_release( &db->hdr );
 237     }
 238
 239     return ret;
 240 }
 241
 242 UINT WINAPI MsiOpenDatabaseA(LPCSTR szDBPath, LPCSTR szPersist, MSIHANDLE *phDB)
 243 {
 244     HRESULT r = ERROR_FUNCTION_FAILED;
 245     LPWSTR szwDBPath = NULL, szwPersist = NULL;
 246
 247     TRACE("%s %s %p\n", debugstr_a(szDBPath), debugstr_a(szPersist), phDB);
 248
 249     if( szDBPath )
 250     {
 251         szwDBPath = strdupAtoW( szDBPath );
 252         if( !szwDBPath )
 253             goto end;
 254     }
 255
 256     if( HIWORD(szPersist) )
 257     {
 258         szwPersist = strdupAtoW( szPersist );
 259         if( !szwPersist )
 260             goto end;
 261     }
 262     else
 263         szwPersist = (LPWSTR)(DWORD_PTR)szPersist;
 264
 265     r = MsiOpenDatabaseW( szwDBPath, szwPersist, phDB );
 266
 267 end:
 268     if( HIWORD(szPersist) )
 269         msi_free( szwPersist );
 270     msi_free( szwDBPath );
 271
 272     return r;
 273 }
 274
 275 static LPWSTR msi_read_text_archive(LPCWSTR path)
 276 {
 277     HANDLE file;
 278     LPSTR data = NULL;
 279     LPWSTR wdata = NULL;
 280     DWORD read, size = 0;
 281
 282     file = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
 283     if (file == INVALID_HANDLE_VALUE)
 284         return NULL;
 285
 286     size = GetFileSize( file, NULL );
 287     data = msi_alloc( size + 1 );
 288     if (!data)
 289         goto done;
 290
 291     if (!ReadFile( file, data, size, &read, NULL ))
 292         goto done;
 293
 294     data[size] = '\0';
 295     wdata = strdupAtoW( data );
 296
 297 done:
 298     CloseHandle( file );
 299     msi_free( data );
 300     return wdata;
 301 }
 302
 303 static void msi_parse_line(LPWSTR *line, LPWSTR **entries, DWORD *num_entries)
 304 {
 305     LPWSTR ptr = *line, save;
 306     DWORD i, count = 1;
 307
 308     *entries = NULL;
 309
 310     /* stay on this line */
 311     while (*ptr && *ptr != '\n')
 312     {
 313         /* entries are separated by tabs */
 314         if (*ptr == '\t')
 315             count++;
 316
 317         ptr++;
 318     }
 319
 320     *entries = msi_alloc(count * sizeof(LPWSTR));
 321     if (!*entries)
 322         return;
 323
 324     /* store pointers into the data */
 325     for (i = 0, ptr = *line; i < count; i++)
 326     {
 327         while (*ptr && *ptr == '\r') ptr++;
 328         save = ptr;
 329
 330         while (*ptr && *ptr != '\t' && *ptr != '\n' && *ptr != '\r') ptr++;
 331
 332         /* NULL-separate the data */
 333         if (*ptr == '\n' || *ptr == '\r')
 334         {
 335             while (*ptr == '\n' || *ptr == '\r')
 336                 *(ptr++) = '\0';
 337         }
 338         else if (*ptr)
 339             *ptr++ = '\0';
 340
 341         (*entries)[i] = save;
 342     }
 343
 344     /* move to the next line if there's more, else EOF */
 345     *line = ptr;
 346
 347     if (num_entries)
 348         *num_entries = count;
 349 }
 350
 351 static LPWSTR msi_build_createsql_prelude(LPWSTR table)
 352 {
 353     LPWSTR prelude;
 354     DWORD size;
 355
 356     static const WCHAR create_fmt[] = {'C','R','E','A','T','E',' ','T','A','B','L','E',' ','`','%','s','`',' ','(',' ',0};
 357
 358     size = sizeof(create_fmt)/sizeof(create_fmt[0]) + lstrlenW(table) - 2;
 359     prelude = msi_alloc(size * sizeof(WCHAR));
 360     if (!prelude)
 361         return NULL;
 362
 363     sprintfW(prelude, create_fmt, table);
 364     return prelude;
 365 }
 366
 367 static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
 368 {
 369     LPWSTR columns, p;
 370     LPCWSTR type;
 371     DWORD sql_size = 1, i, len;
 372     WCHAR expanded[128], *ptr;
 373     WCHAR size[10], comma[2], extra[30];
 374
 375     static const WCHAR column_fmt[] = {'`','%','s','`',' ','%','s','%','s','%','s','%','s',' ',0};
 376     static const WCHAR size_fmt[] = {'(','%','s',')',0};
 377     static const WCHAR type_char[] = {'C','H','A','R',0};
 378     static const WCHAR type_int[] = {'I','N','T',0};
 379     static const WCHAR type_long[] = {'L','O','N','G',0};
 380     static const WCHAR type_notnull[] = {' ','N','O','T',' ','N','U','L','L',0};
 381     static const WCHAR localizable[] = {' ','L','O','C','A','L','I','Z','A','B','L','E',0};
 382
 383     columns = msi_alloc_zero(sql_size * sizeof(WCHAR));
 384     if (!columns)
 385         return NULL;
 386
 387     for (i = 0; i < num_columns; i++)
 388     {
 389         type = NULL;
 390         comma[1] = size[0] = extra[0] = '\0';
 391
 392         if (i == num_columns - 1)
 393             comma[0] = '\0';
 394         else
 395             comma[0] = ',';
 396
 397         ptr = &types[i][1];
 398         len = atolW(ptr);
 399         extra[0] = '\0';
 400
 401         switch (types[i][0])
 402         {
 403             case 'l':
 404                 lstrcpyW(extra, type_notnull);
 405             case 'L':
 406                 lstrcatW(extra, localizable);
 407                 type = type_char;
 408                 sprintfW(size, size_fmt, ptr);
 409                 break;
 410             case 's':
 411                 lstrcpyW(extra, type_notnull);
 412             case 'S':
 413                 type = type_char;
 414                 sprintfW(size, size_fmt, ptr);
 415                 break;
 416             case 'i':
 417                 lstrcpyW(extra, type_notnull);
 418             case 'I':
 419                 if (len == 2)
 420                     type = type_int;
 421                 else
 422                     type = type_long;
 423                 break;
 424             default:
 425                 ERR("Unknown type: %c\n", types[i][0]);
 426                 msi_free(columns);
 427                 return NULL;
 428         }
 429
 430         sprintfW(expanded, column_fmt, columns_data[i], type, size, extra, comma);
 431         sql_size += lstrlenW(expanded);
 432
 433         p = msi_realloc(columns, sql_size * sizeof(WCHAR));
 434         if (!p)
 435         {
 436             msi_free(columns);
 437             return NULL;
 438         }
 439         columns = p;
 440
 441         lstrcatW(columns, expanded);
 442     }
 443
 444     return columns;
 445 }
 446
 447 static LPWSTR msi_build_createsql_postlude(LPWSTR *primary_keys, DWORD num_keys)
 448 {
 449     LPWSTR postlude, keys, ptr;
 450     DWORD size, key_size, i;
 451
 452     static const WCHAR key_fmt[] = {'`','%','s','`',',',' ',0};
 453     static const WCHAR postlude_fmt[] = {'P','R','I','M','A','R','Y',' ','K','E','Y',' ','%','s',')',0};
 454
 455     for (i = 0, size = 1; i < num_keys; i++)
 456         size += lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) - 2;
 457
 458     keys = msi_alloc(size * sizeof(WCHAR));
 459     if (!keys)
 460         return NULL;
 461
 462     for (i = 0, ptr = keys; i < num_keys; i++)
 463     {
 464         key_size = lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) -2;
 465         sprintfW(ptr, key_fmt, primary_keys[i]);
 466         ptr += key_size;
 467     }
 468
 469     /* remove final ', ' */
 470     *(ptr - 2) = '\0';
 471
 472     size = lstrlenW(postlude_fmt) + size - 1;
 473     postlude = msi_alloc(size * sizeof(WCHAR));
 474     if (!postlude)
 475         goto done;
 476
 477     sprintfW(postlude, postlude_fmt, keys);
 478
 479 done:
 480     msi_free(keys);
 481     return postlude;
 482 }
 483
 484 static UINT msi_add_table_to_db(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types, LPWSTR *labels, DWORD num_labels, DWORD num_columns)
 485 {
 486     UINT r;
 487     DWORD size;
 488     MSIQUERY *view;
 489     LPWSTR create_sql;
 490     LPWSTR prelude, columns_sql, postlude;
 491
 492     prelude = msi_build_createsql_prelude(labels[0]);
 493     columns_sql = msi_build_createsql_columns(columns, types, num_columns);
 494     postlude = msi_build_createsql_postlude(labels + 1, num_labels - 1); /* skip over table name */
 495
 496     if (!prelude || !columns_sql || !postlude)
 497         return ERROR_OUTOFMEMORY;
 498
 499     size = lstrlenW(prelude) + lstrlenW(columns_sql) + lstrlenW(postlude) + 1;
 500     create_sql = msi_alloc(size * sizeof(WCHAR));
 501     if (!create_sql)
 502         return ERROR_OUTOFMEMORY;
 503
 504     lstrcpyW(create_sql, prelude);
 505     lstrcatW(create_sql, columns_sql);
 506     lstrcatW(create_sql, postlude);
 507
 508     msi_free(prelude);
 509     msi_free(columns_sql);
 510     msi_free(postlude);
 511
 512     r = MSI_DatabaseOpenViewW( db, create_sql, &view );
 513     msi_free(create_sql);
 514
 515     if (r != ERROR_SUCCESS)
 516         return r;
 517
 518     r = MSI_ViewExecute(view, NULL);
 519     MSI_ViewClose(view);
 520     msiobj_release(&view->hdr);
 521
 522     return r;
 523 }
 524
 525 static UINT construct_record(DWORD num_columns, LPWSTR *types,
 526                              LPWSTR *data, MSIRECORD **rec)
 527 {
 528     UINT i;
 529
 530     *rec = MSI_CreateRecord(num_columns);
 531     if (!*rec)
 532         return ERROR_OUTOFMEMORY;
 533
 534     for (i = 0; i < num_columns; i++)
 535     {
 536         switch (types[i][0])
 537         {
 538             case 'L': case 'l': case 'S': case 's':
 539                 MSI_RecordSetStringW(*rec, i + 1, data[i]);
 540                 break;
 541             case 'I': case 'i':
 542                 if (*data[i])
 543                     MSI_RecordSetInteger(*rec, i + 1, atoiW(data[i]));
 544                 break;
 545             default:
 546                 ERR("Unhandled column type: %c\n", types[i][0]);
 547                 msiobj_release(&(*rec)->hdr);
 548                 return ERROR_FUNCTION_FAILED;
 549         }
 550     }
 551
 552     return ERROR_SUCCESS;
 553 }
 554
 555 static UINT msi_add_records_to_table(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types,
 556                                      LPWSTR *labels, LPWSTR **records,
 557                                      int num_columns, int num_records)
 558 {
 559     UINT r;
 560     int i;
 561     MSIQUERY *view;
 562     MSIRECORD *rec;
 563
 564     static const WCHAR select[] = {
 565         'S','E','L','E','C','T',' ','*',' ',
 566         'F','R','O','M',' ','`','%','s','`',0
 567     };
 568
 569     r = MSI_OpenQuery(db, &view, select, labels[0]);
 570     if (r != ERROR_SUCCESS)
 571         return r;
 572
 573     while (MSI_ViewFetch(view, &rec) != ERROR_NO_MORE_ITEMS)
 574     {
 575         r = MSI_ViewModify(view, MSIMODIFY_DELETE, rec);
 576         if (r != ERROR_SUCCESS)
 577             goto done;
 578     }
 579
 580     for (i = 0; i < num_records; i++)
 581     {
 582         r = construct_record(num_columns, types, records[i], &rec);
 583         if (r != ERROR_SUCCESS)
 584             goto done;
 585
 586         r = MSI_ViewModify(view, MSIMODIFY_INSERT, rec);
 587         if (r != ERROR_SUCCESS)
 588         {
 589             msiobj_release(&rec->hdr);
 590             goto done;
 591         }
 592
 593         msiobj_release(&rec->hdr);
 594     }
 595
 596 done:
 597     msiobj_release(&view->hdr);
 598     return r;
 599 }
 600
 601 static UINT MSI_DatabaseImport(MSIDATABASE *db, LPCWSTR folder, LPCWSTR file)
 602 {
 603     UINT r;
 604     DWORD len, i;
 605     DWORD num_labels, num_types;
 606     DWORD num_columns, num_records = 0;
 607     LPWSTR *columns, *types, *labels;
 608     LPWSTR path, ptr, data;
 609     LPWSTR **records = NULL;
 610     LPWSTR **temp_records;
 611
 612     static const WCHAR backslash[] = {'\\',0};
 613
 614     TRACE("%p %s %s\n", db, debugstr_w(folder), debugstr_w(file) );
 615
 616     if( folder == NULL || file == NULL )
 617         return ERROR_INVALID_PARAMETER;
 618
 619     len = lstrlenW(folder) + lstrlenW(backslash) + lstrlenW(file) + 1;
 620     path = msi_alloc( len * sizeof(WCHAR) );
 621     if (!path)
 622         return ERROR_OUTOFMEMORY;
 623
 624     lstrcpyW( path, folder );
 625     lstrcatW( path, backslash );
 626     lstrcatW( path, file );
 627
 628     data = msi_read_text_archive( path );
 629
 630     ptr = data;
 631     msi_parse_line( &ptr, &columns, &num_columns );
 632     msi_parse_line( &ptr, &types, &num_types );
 633     msi_parse_line( &ptr, &labels, &num_labels );
 634
 635     if (num_columns != num_types)
 636     {
 637         r = ERROR_FUNCTION_FAILED;
 638         goto done;
 639     }
 640
 641     records = msi_alloc(sizeof(LPWSTR *));
 642     if (!records)
 643     {
 644         r = ERROR_OUTOFMEMORY;
 645         goto done;
 646     }
 647
 648     /* read in the table records */
 649     while (*ptr)
 650     {
 651         msi_parse_line( &ptr, &records[num_records], NULL );
 652
 653         num_records++;
 654         temp_records = msi_realloc(records, (num_records + 1) * sizeof(LPWSTR *));
 655         if (!temp_records)
 656         {
 657             r = ERROR_OUTOFMEMORY;
 658             goto done;
 659         }
 660         records = temp_records;
 661     }
 662
 663     if (!TABLE_Exists(db, labels[0]))
 664     {
 665         r = msi_add_table_to_db( db, columns, types, labels, num_labels, num_columns );
 666         if (r != ERROR_SUCCESS)
 667         {
 668             r = ERROR_FUNCTION_FAILED;
 669             goto done;
 670         }
 671     }
 672
 673     r = msi_add_records_to_table( db, columns, types, labels, records, num_columns, num_records );
 674
 675 done:
 676     msi_free(path);
 677     msi_free(data);
 678     msi_free(columns);
 679     msi_free(types);
 680     msi_free(labels);
 681
 682     for (i = 0; i < num_records; i++)
 683         msi_free(records[i]);
 684
 685     msi_free(records);
 686
 687     return r;
 688 }
 689
 690 UINT WINAPI MsiDatabaseImportW(MSIHANDLE handle, LPCWSTR szFolder, LPCWSTR szFilename)
 691 {
 692     MSIDATABASE *db;
 693     UINT r;
 694
 695     TRACE("%x %s %s\n",handle,debugstr_w(szFolder), debugstr_w(szFilename));
 696
 697     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 698     if( !db )
 699     {
 700         IWineMsiRemoteDatabase *remote_database;
 701
 702         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 703         if ( !remote_database )
 704             return ERROR_INVALID_HANDLE;
 705
 706         IWineMsiRemoteDatabase_Release( remote_database );
 707         WARN("MsiDatabaseImport not allowed during a custom action!\n");
 708
 709         return ERROR_SUCCESS;
 710     }
 711
 712     r = MSI_DatabaseImport( db, szFolder, szFilename );
 713     msiobj_release( &db->hdr );
 714     return r;
 715 }
 716
 717 UINT WINAPI MsiDatabaseImportA( MSIHANDLE handle,
 718                LPCSTR szFolder, LPCSTR szFilename )
 719 {
 720     LPWSTR path = NULL, file = NULL;
 721     UINT r = ERROR_OUTOFMEMORY;
 722
 723     TRACE("%x %s %s\n", handle, debugstr_a(szFolder), debugstr_a(szFilename));
 724
 725     if( szFolder )
 726     {
 727         path = strdupAtoW( szFolder );
 728         if( !path )
 729             goto end;
 730     }
 731
 732     if( szFilename )
 733     {
 734         file = strdupAtoW( szFilename );
 735         if( !file )
 736             goto end;
 737     }
 738
 739     r = MsiDatabaseImportW( handle, path, file );
 740
 741 end:
 742     msi_free( path );
 743     msi_free( file );
 744
 745     return r;
 746 }
 747
 748 static UINT msi_export_record( HANDLE handle, MSIRECORD *row, UINT start )
 749 {
 750     UINT i, count, len, r = ERROR_SUCCESS;
 751     const char *sep;
 752     char *buffer;
 753     DWORD sz;
 754
 755     len = 0x100;
 756     buffer = msi_alloc( len );
 757     if ( !buffer )
 758         return ERROR_OUTOFMEMORY;
 759
 760     count = MSI_RecordGetFieldCount( row );
 761     for ( i=start; i<=count; i++ )
 762     {
 763         sz = len;
 764         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 765         if (r == ERROR_MORE_DATA)
 766         {
 767             char *p = msi_realloc( buffer, sz + 1 );
 768             if (!p)
 769                 break;
 770             len = sz + 1;
 771             buffer = p;
 772         }
 773         sz = len;
 774         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 775         if (r != ERROR_SUCCESS)
 776             break;
 777
 778         if (!WriteFile( handle, buffer, sz, &sz, NULL ))
 779         {
 780             r = ERROR_FUNCTION_FAILED;
 781             break;
 782         }
 783
 784         sep = (i < count) ? "\t" : "\r\n";
 785         if (!WriteFile( handle, sep, strlen(sep), &sz, NULL ))
 786         {
 787             r = ERROR_FUNCTION_FAILED;
 788             break;
 789         }
 790     }
 791     msi_free( buffer );
 792     return r;
 793 }
 794
 795 static UINT msi_export_row( MSIRECORD *row, void *arg )
 796 {
 797     return msi_export_record( arg, row, 1 );
 798 }
 799
 800 static UINT msi_export_forcecodepage( HANDLE handle )
 801 {
 802     DWORD sz;
 803
 804     static const char data[] = "\r\n\r\n0\t_ForceCodepage\r\n";
 805
 806     FIXME("Read the codepage from the strings table!\n");
 807
 808     sz = lstrlenA(data) + 1;
 809     if (!WriteFile(handle, data, sz, &sz, NULL))
 810         return ERROR_FUNCTION_FAILED;
 811
 812     return ERROR_SUCCESS;
 813 }
 814
 815 static UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
 816                LPCWSTR folder, LPCWSTR file )
 817 {
 818     static const WCHAR query[] = {
 819         's','e','l','e','c','t',' ','*',' ','f','r','o','m',' ','%','s',0 };
 820     static const WCHAR szbs[] = { '\\', 0 };
 821     static const WCHAR forcecodepage[] = {
 822         '_','F','o','r','c','e','C','o','d','e','p','a','g','e',0 };
 823     MSIRECORD *rec = NULL;
 824     MSIQUERY *view = NULL;
 825     LPWSTR filename;
 826     HANDLE handle;
 827     UINT len, r;
 828
 829     TRACE("%p %s %s %s\n", db, debugstr_w(table),
 830           debugstr_w(folder), debugstr_w(file) );
 831
 832     if( folder == NULL || file == NULL )
 833         return ERROR_INVALID_PARAMETER;
 834
 835     len = lstrlenW(folder) + lstrlenW(file) + 2;
 836     filename = msi_alloc(len * sizeof (WCHAR));
 837     if (!filename)
 838         return ERROR_OUTOFMEMORY;
 839
 840     lstrcpyW( filename, folder );
 841     lstrcatW( filename, szbs );
 842     lstrcatW( filename, file );
 843
 844     handle = CreateFileW( filename, GENERIC_READ | GENERIC_WRITE, 0,
 845                           NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
 846     msi_free( filename );
 847     if (handle == INVALID_HANDLE_VALUE)
 848         return ERROR_FUNCTION_FAILED;
 849
 850     if (!lstrcmpW( table, forcecodepage ))
 851     {
 852         r = msi_export_forcecodepage( handle );
 853         goto done;
 854     }
 855
 856     r = MSI_OpenQuery( db, &view, query, table );
 857     if (r == ERROR_SUCCESS)
 858     {
 859         /* write out row 1, the column names */
 860         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &rec);
 861         if (r == ERROR_SUCCESS)
 862         {
 863             msi_export_record( handle, rec, 1 );
 864             msiobj_release( &rec->hdr );
 865         }
 866
 867         /* write out row 2, the column types */
 868         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_TYPES, &rec);
 869         if (r == ERROR_SUCCESS)
 870         {
 871             msi_export_record( handle, rec, 1 );
 872             msiobj_release( &rec->hdr );
 873         }
 874
 875         /* write out row 3, the table name + keys */
 876         r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
 877         if (r == ERROR_SUCCESS)
 878         {
 879             MSI_RecordSetStringW( rec, 0, table );
 880             msi_export_record( handle, rec, 0 );
 881             msiobj_release( &rec->hdr );
 882         }
 883
 884         /* write out row 4 onwards, the data */
 885         r = MSI_IterateRecords( view, 0, msi_export_row, handle );
 886         msiobj_release( &view->hdr );
 887     }
 888
 889 done:
 890     CloseHandle( handle );
 891     return r;
 892 }
 893
 894 /***********************************************************************
 895  * MsiExportDatabaseW        [MSI.@]
 896  *
 897  * Writes a file containing the table data as tab separated ASCII.
 898  *
 899  * The format is as follows:
 900  *
 901  * row1 : colname1 <tab> colname2 <tab> .... colnameN <cr> <lf>
 902  * row2 : coltype1 <tab> coltype2 <tab> .... coltypeN <cr> <lf>
 903  * row3 : tablename <tab> key1 <tab> key2 <tab> ... keyM <cr> <lf>
 904  *
 905  * Followed by the data, starting at row 1 with one row per line
 906  *
 907  * row4 : data <tab> data <tab> data <tab> ... data <cr> <lf>
 908  */
 909 UINT WINAPI MsiDatabaseExportW( MSIHANDLE handle, LPCWSTR szTable,
 910                LPCWSTR szFolder, LPCWSTR szFilename )
 911 {
 912     MSIDATABASE *db;
 913     UINT r;
 914
 915     TRACE("%x %s %s %s\n", handle, debugstr_w(szTable),
 916           debugstr_w(szFolder), debugstr_w(szFilename));
 917
 918     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 919     if( !db )
 920     {
 921         IWineMsiRemoteDatabase *remote_database;
 922
 923         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 924         if ( !remote_database )
 925             return ERROR_INVALID_HANDLE;
 926
 927         IWineMsiRemoteDatabase_Release( remote_database );
 928         WARN("MsiDatabaseExport not allowed during a custom action!\n");
 929
 930         return ERROR_SUCCESS;
 931     }
 932
 933     r = MSI_DatabaseExport( db, szTable, szFolder, szFilename );
 934     msiobj_release( &db->hdr );
 935     return r;
 936 }
 937
 938 UINT WINAPI MsiDatabaseExportA( MSIHANDLE handle, LPCSTR szTable,
 939                LPCSTR szFolder, LPCSTR szFilename )
 940 {
 941     LPWSTR path = NULL, file = NULL, table = NULL;
 942     UINT r = ERROR_OUTOFMEMORY;
 943
 944     TRACE("%x %s %s %s\n", handle, debugstr_a(szTable),
 945           debugstr_a(szFolder), debugstr_a(szFilename));
 946
 947     if( szTable )
 948     {
 949         table = strdupAtoW( szTable );
 950         if( !table )
 951             goto end;
 952     }
 953
 954     if( szFolder )
 955     {
 956         path = strdupAtoW( szFolder );
 957         if( !path )
 958             goto end;
 959     }
 960
 961     if( szFilename )
 962     {
 963         file = strdupAtoW( szFilename );
 964         if( !file )
 965             goto end;
 966     }
 967
 968     r = MsiDatabaseExportW( handle, table, path, file );
 969
 970 end:
 971     msi_free( table );
 972     msi_free( path );
 973     msi_free( file );
 974
 975     return r;
 976 }
 977
 978 UINT WINAPI MsiDatabaseMergeA(MSIHANDLE hDatabase, MSIHANDLE hDatabaseMerge,
 979                               LPCSTR szTableName)
 980 {
 981     UINT r;
 982     LPWSTR table;
 983
 984     TRACE("(%d, %d, %s)\n", hDatabase, hDatabaseMerge,
 985           debugstr_a(szTableName));
 986
 987     table = strdupAtoW(szTableName);
 988     r = MsiDatabaseMergeW(hDatabase, hDatabaseMerge, table);
 989
 990     msi_free(table);
 991     return r;
 992 }
 993
 994 typedef struct _tagMERGETABLE
 995 {
 996     struct list entry;
 997     struct list rows;
 998     LPWSTR name;
 999     DWORD numconflicts;
1000 } MERGETABLE;
1001
1002 typedef struct _tagMERGEROW
1003 {
1004     struct list entry;
1005     MSIRECORD *data;
1006 } MERGEROW;
1007
1008 typedef struct _tagMERGEDATA
1009 {
1010     MSIDATABASE *db;
1011     MSIDATABASE *merge;
1012     MERGETABLE *curtable;
1013     MSIQUERY *curview;
1014     struct list *tabledata;
1015 } MERGEDATA;
1016
1017 static UINT merge_verify_colnames(MSIQUERY *dbview, MSIQUERY *mergeview)
1018 {
1019     MSIRECORD *dbrec, *mergerec;
1020     UINT r, i, count;
1021
1022     r = MSI_ViewGetColumnInfo(dbview, MSICOLINFO_NAMES, &dbrec);
1023     if (r != ERROR_SUCCESS)
1024         return r;
1025
1026     r = MSI_ViewGetColumnInfo(mergeview, MSICOLINFO_NAMES, &mergerec);
1027     if (r != ERROR_SUCCESS)
1028         return r;
1029
1030     count = MSI_RecordGetFieldCount(dbrec);
1031     for (i = 1; i <= count; i++)
1032     {
1033         if (!MSI_RecordGetString(mergerec, i))
1034             break;
1035
1036         if (lstrcmpW(MSI_RecordGetString(dbrec, i),
1037                      MSI_RecordGetString(mergerec, i)))
1038         {
1039             r = ERROR_DATATYPE_MISMATCH;
1040             goto done;
1041         }
1042     }
1043
1044     msiobj_release(&dbrec->hdr);
1045     msiobj_release(&mergerec->hdr);
1046     dbrec = mergerec = NULL;
1047
1048     r = MSI_ViewGetColumnInfo(dbview, MSICOLINFO_TYPES, &dbrec);
1049     if (r != ERROR_SUCCESS)
1050         return r;
1051
1052     r = MSI_ViewGetColumnInfo(mergeview, MSICOLINFO_TYPES, &mergerec);
1053     if (r != ERROR_SUCCESS)
1054         return r;
1055
1056     count = MSI_RecordGetFieldCount(dbrec);
1057     for (i = 1; i <= count; i++)
1058     {
1059         if (!MSI_RecordGetString(mergerec, i))
1060             break;
1061
1062         if (lstrcmpW(MSI_RecordGetString(dbrec, i),
1063                      MSI_RecordGetString(mergerec, i)))
1064         {
1065             r = ERROR_DATATYPE_MISMATCH;
1066             break;
1067         }
1068     }
1069
1070 done:
1071     msiobj_release(&dbrec->hdr);
1072     msiobj_release(&mergerec->hdr);
1073
1074     return r;
1075 }
1076
1077 static UINT merge_verify_primary_keys(MSIDATABASE *db, MSIDATABASE *mergedb,
1078                                       LPCWSTR table)
1079 {
1080     MSIRECORD *dbrec, *mergerec = NULL;
1081     UINT r, i, count;
1082
1083     r = MSI_DatabaseGetPrimaryKeys(db, table, &dbrec);
1084     if (r != ERROR_SUCCESS)
1085         return r;
1086
1087     r = MSI_DatabaseGetPrimaryKeys(mergedb, table, &mergerec);
1088     if (r != ERROR_SUCCESS)
1089         goto done;
1090
1091     count = MSI_RecordGetFieldCount(dbrec);
1092     if (count != MSI_RecordGetFieldCount(mergerec))
1093     {
1094         r = ERROR_DATATYPE_MISMATCH;
1095         goto done;
1096     }
1097
1098     for (i = 1; i <= count; i++)
1099     {
1100         if (lstrcmpW(MSI_RecordGetString(dbrec, i),
1101                      MSI_RecordGetString(mergerec, i)))
1102         {
1103             r = ERROR_DATATYPE_MISMATCH;
1104             goto done;
1105         }
1106     }
1107
1108 done:
1109     msiobj_release(&dbrec->hdr);
1110     msiobj_release(&mergerec->hdr);
1111
1112     return r;
1113 }
1114
1115 static LPWSTR get_key_value(MSIQUERY *view, LPCWSTR key, MSIRECORD *rec)
1116 {
1117     MSIRECORD *colnames;
1118     LPWSTR str;
1119     UINT r, i = 0;
1120     int cmp;
1121
1122     r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &colnames);
1123     if (r != ERROR_SUCCESS)
1124         return NULL;
1125
1126     do
1127     {
1128         str = msi_dup_record_field(colnames, ++i);
1129         cmp = lstrcmpW(key, str);
1130         msi_free(str);
1131     } while (cmp);
1132
1133     msiobj_release(&colnames->hdr);
1134     return msi_dup_record_field(rec, i);
1135 }
1136
1137 static LPWSTR create_diff_row_query(MSIDATABASE *merge, MSIQUERY *view,
1138                                     LPWSTR table, MSIRECORD *rec)
1139 {
1140     LPWSTR query = NULL, clause = NULL;
1141     LPWSTR ptr = NULL, val;
1142     LPCWSTR setptr;
1143     DWORD size = 1, oldsize;
1144     LPCWSTR key;
1145     MSIRECORD *keys;
1146     UINT r, i, count;
1147
1148     static const WCHAR keyset[] = {
1149         '`','%','s','`',' ','=',' ','%','s',' ','A','N','D',' ',0};
1150     static const WCHAR lastkeyset[] = {
1151         '`','%','s','`',' ','=',' ','%','s',' ',0};
1152     static const WCHAR fmt[] = {'S','E','L','E','C','T',' ','*',' ',
1153         'F','R','O','M',' ','`','%','s','`',' ',
1154         'W','H','E','R','E',' ','%','s',0};
1155
1156     r = MSI_DatabaseGetPrimaryKeys(merge, table, &keys);
1157     if (r != ERROR_SUCCESS)
1158         return NULL;
1159
1160     clause = msi_alloc_zero(size * sizeof(WCHAR));
1161     if (!clause)
1162         goto done;
1163
1164     ptr = clause;
1165     count = MSI_RecordGetFieldCount(keys);
1166     for (i = 1; i <= count; i++)
1167     {
1168         key = MSI_RecordGetString(keys, i);
1169         val = get_key_value(view, key, rec);
1170
1171         if (i == count)
1172             setptr = lastkeyset;
1173         else
1174             setptr = keyset;
1175
1176         oldsize = size;
1177         size += lstrlenW(setptr) + lstrlenW(key) + lstrlenW(val) - 4;
1178         clause = msi_realloc(clause, size * sizeof (WCHAR));
1179         if (!clause)
1180         {
1181             msi_free(val);
1182             goto done;
1183         }
1184
1185         ptr = clause + oldsize - 1;
1186         sprintfW(ptr, setptr, key, val);
1187         msi_free(val);
1188     }
1189
1190     size = lstrlenW(fmt) + lstrlenW(table) + lstrlenW(clause) + 1;
1191     query = msi_alloc(size * sizeof(WCHAR));
1192     if (!query)
1193         goto done;
1194
1195     sprintfW(query, fmt, table, clause);
1196
1197 done:
1198     msi_free(clause);
1199     msiobj_release(&keys->hdr);
1200     return query;
1201 }
1202
1203 static UINT merge_diff_row(MSIRECORD *rec, LPVOID param)
1204 {
1205     MERGEDATA *data = param;
1206     MERGETABLE *table = data->curtable;
1207     MERGEROW *mergerow;
1208     MSIQUERY *dbview;
1209     MSIRECORD *row = NULL;
1210     LPWSTR query;
1211     UINT r;
1212
1213     query = create_diff_row_query(data->merge, data->curview, table->name, rec);
1214     if (!query)
1215         return ERROR_OUTOFMEMORY;
1216
1217     r = MSI_DatabaseOpenViewW(data->db, query, &dbview);
1218     if (r != ERROR_SUCCESS)
1219         goto done;
1220
1221     r = MSI_ViewExecute(dbview, NULL);
1222     if (r != ERROR_SUCCESS)
1223         goto done;
1224
1225     r = MSI_ViewFetch(dbview, &row);
1226     if (r == ERROR_SUCCESS && !MSI_RecordsAreEqual(rec, row))
1227     {
1228         table->numconflicts++;
1229         goto done;
1230     }
1231     else if (r != ERROR_NO_MORE_ITEMS)
1232         goto done;
1233
1234     mergerow = msi_alloc(sizeof(MERGEROW));
1235     if (!mergerow)
1236     {
1237         r = ERROR_OUTOFMEMORY;
1238         goto done;
1239     }
1240
1241     mergerow->data = MSI_CloneRecord(rec);
1242     if (!mergerow->data)
1243     {
1244         r = ERROR_OUTOFMEMORY;
1245         msi_free(mergerow);
1246         goto done;
1247     }
1248
1249     list_add_tail(&table->rows, &mergerow->entry);
1250
1251 done:
1252     msi_free(query);
1253     msiobj_release(&row->hdr);
1254     msiobj_release(&dbview->hdr);
1255     return r;
1256 }
1257
1258 static UINT merge_diff_tables(MSIRECORD *rec, LPVOID param)
1259 {
1260     MERGEDATA *data = param;
1261     MERGETABLE *table;
1262     MSIQUERY *dbview;
1263     MSIQUERY *mergeview = NULL;
1264     LPCWSTR name;
1265     UINT r;
1266
1267     static const WCHAR query[] = {'S','E','L','E','C','T',' ','*',' ',
1268         'F','R','O','M',' ','`','%','s','`',0};
1269
1270     name = MSI_RecordGetString(rec, 1);
1271
1272     r = MSI_OpenQuery(data->db, &dbview, query, name);
1273     if (r != ERROR_SUCCESS)
1274         return r;
1275
1276     r = MSI_OpenQuery(data->merge, &mergeview, query, name);
1277     if (r != ERROR_SUCCESS)
1278         goto done;
1279
1280     r = merge_verify_colnames(dbview, mergeview);
1281     if (r != ERROR_SUCCESS)
1282         goto done;
1283
1284     r = merge_verify_primary_keys(data->db, data->merge, name);
1285     if (r != ERROR_SUCCESS)
1286         goto done;
1287
1288     table = msi_alloc(sizeof(MERGETABLE));
1289     if (!table)
1290     {
1291         r = ERROR_OUTOFMEMORY;
1292         goto done;
1293     }
1294
1295     list_init(&table->rows);
1296     table->name = strdupW(name);
1297     table->numconflicts = 0;
1298     data->curtable = table;
1299     data->curview = mergeview;
1300
1301     r = MSI_IterateRecords(mergeview, NULL, merge_diff_row, data);
1302     if (r != ERROR_SUCCESS)
1303     {
1304         msi_free(table->name);
1305         msi_free(table);
1306         goto done;
1307     }
1308
1309     list_add_tail(data->tabledata, &table->entry);
1310
1311 done:
1312     msiobj_release(&dbview->hdr);
1313     msiobj_release(&mergeview->hdr);
1314     return r;
1315 }
1316
1317 static UINT gather_merge_data(MSIDATABASE *db, MSIDATABASE *merge,
1318                               struct list *tabledata)
1319 {
1320     UINT r;
1321     MSIQUERY *view;
1322     MERGEDATA data;
1323
1324     static const WCHAR query[] = {'S','E','L','E','C','T',' ','*',' ',
1325         'F','R','O','M',' ','`','_','T','a','b','l','e','s','`',0};
1326
1327     r = MSI_DatabaseOpenViewW(merge, query, &view);
1328     if (r != ERROR_SUCCESS)
1329         return r;
1330
1331     data.db = db;
1332     data.merge = merge;
1333     data.tabledata = tabledata;
1334     r = MSI_IterateRecords(view, NULL, merge_diff_tables, &data);
1335
1336     msiobj_release(&view->hdr);
1337     return r;
1338 }
1339
1340 static UINT merge_table(MSIDATABASE *db, MERGETABLE *table)
1341 {
1342     UINT r;
1343     MERGEROW *row;
1344     MSIVIEW *tv;
1345
1346     LIST_FOR_EACH_ENTRY(row, &table->rows, MERGEROW, entry)
1347     {
1348         r = TABLE_CreateView(db, table->name, &tv);
1349         if (r != ERROR_SUCCESS)
1350             return r;
1351
1352         r = tv->ops->insert_row(tv, row->data, FALSE);
1353         tv->ops->delete(tv);
1354
1355         if (r != ERROR_SUCCESS)
1356             return r;
1357     }
1358
1359     return ERROR_SUCCESS;
1360 }
1361
1362 static UINT update_merge_errors(MSIDATABASE *db, LPCWSTR error,
1363                                 LPWSTR table, DWORD numconflicts)
1364 {
1365     UINT r;
1366     MSIQUERY *view;
1367
1368     static const WCHAR create[] = {
1369         'C','R','E','A','T','E',' ','T','A','B','L','E',' ',
1370         '`','%','s','`',' ','(','`','T','a','b','l','e','`',' ',
1371         'C','H','A','R','(','2','5','5',')',' ','N','O','T',' ',
1372         'N','U','L','L',',',' ','`','N','u','m','R','o','w','M','e','r','g','e',
1373         'C','o','n','f','l','i','c','t','s','`',' ','S','H','O','R','T',' ',
1374         'N','O','T',' ','N','U','L','L',' ','P','R','I','M','A','R','Y',' ',
1375         'K','E','Y',' ','`','T','a','b','l','e','`',')',0};
1376     static const WCHAR insert[] = {
1377         'I','N','S','E','R','T',' ','I','N','T','O',' ',
1378         '`','%','s','`',' ','(','`','T','a','b','l','e','`',',',' ',
1379         '`','N','u','m','R','o','w','M','e','r','g','e',
1380         'C','o','n','f','l','i','c','t','s','`',')',' ','V','A','L','U','E','S',
1381         ' ','(','\'','%','s','\'',',',' ','%','d',')',0};
1382
1383     if (!TABLE_Exists(db, error))
1384     {
1385         r = MSI_OpenQuery(db, &view, create, error);
1386         if (r != ERROR_SUCCESS)
1387             return r;
1388
1389         r = MSI_ViewExecute(view, NULL);
1390         msiobj_release(&view->hdr);
1391         if (r != ERROR_SUCCESS)
1392             return r;
1393     }
1394
1395     r = MSI_OpenQuery(db, &view, insert, error, table, numconflicts);
1396     if (r != ERROR_SUCCESS)
1397         return r;
1398
1399     r = MSI_ViewExecute(view, NULL);
1400     msiobj_release(&view->hdr);
1401     return r;
1402 }
1403
1404 static void merge_free_rows(MERGETABLE *table)
1405 {
1406     struct list *item, *cursor;
1407
1408     LIST_FOR_EACH_SAFE(item, cursor, &table->rows)
1409     {
1410         MERGEROW *row = LIST_ENTRY(item, MERGEROW, entry);
1411
1412         list_remove(&row->entry);
1413         merge_free_rows(table);
1414         msiobj_release(&row->data->hdr);
1415         msi_free(row);
1416     }
1417 }
1418
1419 UINT WINAPI MsiDatabaseMergeW(MSIHANDLE hDatabase, MSIHANDLE hDatabaseMerge,
1420                               LPCWSTR szTableName)
1421 {
1422     struct list tabledata = LIST_INIT(tabledata);
1423     struct list *item, *cursor;
1424     MSIDATABASE *db, *merge;
1425     MERGETABLE *table;
1426     BOOL conflicts;
1427     UINT r;
1428
1429     TRACE("(%d, %d, %s)\n", hDatabase, hDatabaseMerge,
1430           debugstr_w(szTableName));
1431
1432     if (szTableName && !*szTableName)
1433         return ERROR_INVALID_TABLE;
1434
1435     db = msihandle2msiinfo(hDatabase, MSIHANDLETYPE_DATABASE);
1436     merge = msihandle2msiinfo(hDatabaseMerge, MSIHANDLETYPE_DATABASE);
1437     if (!db || !merge)
1438     {
1439         r = ERROR_INVALID_HANDLE;
1440         goto done;
1441     }
1442
1443     r = gather_merge_data(db, merge, &tabledata);
1444     if (r != ERROR_SUCCESS)
1445         goto done;
1446
1447     conflicts = FALSE;
1448     LIST_FOR_EACH_ENTRY(table, &tabledata, MERGETABLE, entry)
1449     {
1450         if (table->numconflicts)
1451         {
1452             conflicts = TRUE;
1453
1454             r = update_merge_errors(db, szTableName, table->name,
1455                                     table->numconflicts);
1456             if (r != ERROR_SUCCESS)
1457                 break;
1458         }
1459         else
1460         {
1461             r = merge_table(db, table);
1462             if (r != ERROR_SUCCESS)
1463                 break;
1464         }
1465     }
1466
1467     LIST_FOR_EACH_SAFE(item, cursor, &tabledata)
1468     {
1469         MERGETABLE *table = LIST_ENTRY(item, MERGETABLE, entry);
1470
1471         list_remove(&table->entry);
1472         merge_free_rows(table);
1473         msi_free(table->name);
1474         msi_free(table);
1475     }
1476
1477     if (conflicts)
1478         r = ERROR_FUNCTION_FAILED;
1479
1480 done:
1481     msiobj_release(&db->hdr);
1482     msiobj_release(&merge->hdr);
1483     return r;
1484 }
1485
1486 MSIDBSTATE WINAPI MsiGetDatabaseState( MSIHANDLE handle )
1487 {
1488     MSIDBSTATE ret = MSIDBSTATE_READ;
1489     MSIDATABASE *db;
1490
1491     TRACE("%d\n", handle);
1492
1493     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
1494     if( !db )
1495     {
1496         IWineMsiRemoteDatabase *remote_database;
1497
1498         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
1499         if ( !remote_database )
1500             return MSIDBSTATE_ERROR;
1501
1502         IWineMsiRemoteDatabase_Release( remote_database );
1503         WARN("MsiGetDatabaseState not allowed during a custom action!\n");
1504
1505         return MSIDBSTATE_READ;
1506     }
1507
1508     if (db->mode != MSIDBOPEN_READONLY )
1509         ret = MSIDBSTATE_WRITE;
1510     msiobj_release( &db->hdr );
1511
1512     return ret;
1513 }
1514
1515 typedef struct _msi_remote_database_impl {
1516     const IWineMsiRemoteDatabaseVtbl *lpVtbl;
1517     MSIHANDLE database;
1518     LONG refs;
1519 } msi_remote_database_impl;
1520
1521 static inline msi_remote_database_impl* mrd_from_IWineMsiRemoteDatabase( IWineMsiRemoteDatabase* iface )
1522 {
1523     return (msi_remote_database_impl *)iface;
1524 }
1525
1526 static HRESULT WINAPI mrd_QueryInterface( IWineMsiRemoteDatabase *iface,
1527                                           REFIID riid,LPVOID *ppobj)
1528 {
1529     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1530         IsEqualCLSID( riid, &IID_IWineMsiRemoteDatabase ) )
1531     {
1532         IUnknown_AddRef( iface );
1533         *ppobj = iface;
1534         return S_OK;
1535     }
1536
1537     return E_NOINTERFACE;
1538 }
1539
1540 static ULONG WINAPI mrd_AddRef( IWineMsiRemoteDatabase *iface )
1541 {
1542     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1543
1544     return InterlockedIncrement( &This->refs );
1545 }
1546
1547 static ULONG WINAPI mrd_Release( IWineMsiRemoteDatabase *iface )
1548 {
1549     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1550     ULONG r;
1551
1552     r = InterlockedDecrement( &This->refs );
1553     if (r == 0)
1554     {
1555         MsiCloseHandle( This->database );
1556         msi_free( This );
1557     }
1558     return r;
1559 }
1560
1561 static HRESULT WINAPI mrd_IsTablePersistent( IWineMsiRemoteDatabase *iface,
1562                                              BSTR table, MSICONDITION *persistent )
1563 {
1564     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1565     *persistent = MsiDatabaseIsTablePersistentW(This->database, table);
1566     return S_OK;
1567 }
1568
1569 static HRESULT WINAPI mrd_GetPrimaryKeys( IWineMsiRemoteDatabase *iface,
1570                                           BSTR table, MSIHANDLE *keys )
1571 {
1572     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1573     UINT r = MsiDatabaseGetPrimaryKeysW(This->database, table, keys);
1574     return HRESULT_FROM_WIN32(r);
1575 }
1576
1577 static HRESULT WINAPI mrd_GetSummaryInformation( IWineMsiRemoteDatabase *iface,
1578                                                 UINT updatecount, MSIHANDLE *suminfo )
1579 {
1580     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1581     UINT r = MsiGetSummaryInformationW(This->database, NULL, updatecount, suminfo);
1582     return HRESULT_FROM_WIN32(r);
1583 }
1584
1585 static HRESULT WINAPI mrd_OpenView( IWineMsiRemoteDatabase *iface,
1586                                     BSTR query, MSIHANDLE *view )
1587 {
1588     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1589     UINT r = MsiDatabaseOpenViewW(This->database, query, view);
1590     return HRESULT_FROM_WIN32(r);
1591 }
1592
1593 static HRESULT WINAPI mrd_SetMsiHandle( IWineMsiRemoteDatabase *iface, MSIHANDLE handle )
1594 {
1595     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1596     This->database = handle;
1597     return S_OK;
1598 }
1599
1600 static const IWineMsiRemoteDatabaseVtbl msi_remote_database_vtbl =
1601 {
1602     mrd_QueryInterface,
1603     mrd_AddRef,
1604     mrd_Release,
1605     mrd_IsTablePersistent,
1606     mrd_GetPrimaryKeys,
1607     mrd_GetSummaryInformation,
1608     mrd_OpenView,
1609     mrd_SetMsiHandle,
1610 };
1611
1612 HRESULT create_msi_remote_database( IUnknown *pOuter, LPVOID *ppObj )
1613 {
1614     msi_remote_database_impl *This;
1615
1616     This = msi_alloc( sizeof *This );
1617     if (!This)
1618         return E_OUTOFMEMORY;
1619
1620     This->lpVtbl = &msi_remote_database_vtbl;
1621     This->database = 0;
1622     This->refs = 1;
1623
1624     *ppObj = This;
1625
1626     return S_OK;
1627 }