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
  39 #include "initguid.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  42
  43 DEFINE_GUID( CLSID_MsiDatabase, 0x000c1084, 0x0000, 0x0000,
  44              0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
  45 DEFINE_GUID( CLSID_MsiPatch, 0x000c1086, 0x0000, 0x0000,
  46              0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
  47
  48 /*
  49  *  .MSI  file format
  50  *
  51  *  An .msi file is a structured storage file.
  52  *  It contains a number of streams.
  53  *  A stream for each table in the database.
  54  *  Two streams for the string table in the database.
  55  *  Any binary data in a table is a reference to a stream.
  56  */
  57
  58 static VOID MSI_CloseDatabase( MSIOBJECTHDR *arg )
  59 {
  60     MSIDATABASE *db = (MSIDATABASE *) arg;
  61
  62     msi_free(db->path);
  63     free_cached_tables( db );
  64     msi_free_transforms( db );
  65     msi_destroy_stringtable( db->strings );
  66     IStorage_Release( db->storage );
  67     if (db->deletefile)
  68     {
  69         DeleteFileW( db->deletefile );
  70         msi_free( db->deletefile );
  71     }
  72 }
  73
  74 UINT MSI_OpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIDATABASE **pdb)
  75 {
  76     IStorage *stg = NULL;
  77     HRESULT r;
  78     MSIDATABASE *db = NULL;
  79     UINT ret = ERROR_FUNCTION_FAILED;
  80     LPCWSTR szMode, save_path;
  81     STATSTG stat;
  82     BOOL created = FALSE;
  83     WCHAR path[MAX_PATH];
  84
  85     static const WCHAR backslash[] = {'\\',0};
  86     static const WCHAR szTables[]  = { '_','T','a','b','l','e','s',0 };
  87
  88     TRACE("%s %s\n",debugstr_w(szDBPath),debugstr_w(szPersist) );
  89
  90     if( !pdb )
  91         return ERROR_INVALID_PARAMETER;
  92
  93     if (szPersist - MSIDBOPEN_PATCHFILE >= MSIDBOPEN_READONLY &&
  94         szPersist - MSIDBOPEN_PATCHFILE <= MSIDBOPEN_CREATEDIRECT)
  95     {
  96         TRACE("Database is a patch\n");
  97         szPersist -= MSIDBOPEN_PATCHFILE;
  98     }
  99
 100     save_path = szDBPath;
 101     szMode = szPersist;
 102     if( HIWORD( szPersist ) )
 103     {
 104         if (!CopyFileW( szDBPath, szPersist, FALSE ))
 105             return ERROR_OPEN_FAILED;
 106
 107         szDBPath = szPersist;
 108         szPersist = MSIDBOPEN_TRANSACT;
 109         created = TRUE;
 110     }
 111
 112     if( szPersist == MSIDBOPEN_READONLY )
 113     {
 114         r = StgOpenStorage( szDBPath, NULL,
 115               STGM_DIRECT|STGM_READ|STGM_SHARE_DENY_WRITE, NULL, 0, &stg);
 116     }
 117     else if( szPersist == MSIDBOPEN_CREATE || szPersist == MSIDBOPEN_CREATEDIRECT )
 118     {
 119         /* FIXME: MSIDBOPEN_CREATE should case STGM_TRANSACTED flag to be
 120          * used here: */
 121         r = StgCreateDocfile( szDBPath,
 122               STGM_CREATE|STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &stg);
 123         if( r == ERROR_SUCCESS )
 124         {
 125             IStorage_SetClass( stg, &CLSID_MsiDatabase );
 126             /* create the _Tables stream */
 127             r = write_stream_data(stg, szTables, NULL, 0, TRUE);
 128             if (!FAILED(r))
 129                 r = msi_init_string_table( stg );
 130         }
 131         created = TRUE;
 132     }
 133     else if( szPersist == MSIDBOPEN_TRANSACT )
 134     {
 135         /* FIXME: MSIDBOPEN_TRANSACT should case STGM_TRANSACTED flag to be
 136          * used here: */
 137         r = StgOpenStorage( szDBPath, NULL,
 138               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 139     }
 140     else if( szPersist == MSIDBOPEN_DIRECT )
 141     {
 142         r = StgOpenStorage( szDBPath, NULL,
 143               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 144     }
 145     else
 146     {
 147         ERR("unknown flag %p\n",szPersist);
 148         return ERROR_INVALID_PARAMETER;
 149     }
 150
 151     if( FAILED( r ) || !stg )
 152     {
 153         FIXME("open failed r = %08x for %s\n", r, debugstr_w(szDBPath));
 154         return ERROR_FUNCTION_FAILED;
 155     }
 156
 157     r = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
 158     if( FAILED( r ) )
 159     {
 160         FIXME("Failed to stat storage\n");
 161         goto end;
 162     }
 163
 164     if ( !IsEqualGUID( &stat.clsid, &CLSID_MsiDatabase ) &&
 165          !IsEqualGUID( &stat.clsid, &CLSID_MsiPatch ) )
 166     {
 167         ERR("storage GUID is not a MSI database GUID %s\n",
 168              debugstr_guid(&stat.clsid) );
 169         goto end;
 170     }
 171
 172     db = alloc_msiobject( MSIHANDLETYPE_DATABASE, sizeof (MSIDATABASE),
 173                               MSI_CloseDatabase );
 174     if( !db )
 175     {
 176         FIXME("Failed to allocate a handle\n");
 177         goto end;
 178     }
 179
 180     if (!strchrW( save_path, '\\' ))
 181     {
 182         GetCurrentDirectoryW( MAX_PATH, path );
 183         lstrcatW( path, backslash );
 184         lstrcatW( path, save_path );
 185     }
 186     else
 187         lstrcpyW( path, save_path );
 188
 189     db->path = strdupW( path );
 190
 191     if( TRACE_ON( msi ) )
 192         enum_stream_names( stg );
 193
 194     db->storage = stg;
 195     db->mode = szMode;
 196     if (created)
 197         db->deletefile = strdupW( szDBPath );
 198     else
 199         db->deletefile = NULL;
 200     list_init( &db->tables );
 201     list_init( &db->transforms );
 202
 203     db->strings = msi_load_string_table( stg, &db->bytes_per_strref );
 204     if( !db->strings )
 205         goto end;
 206
 207     msi_table_set_strref( db->bytes_per_strref );
 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     DWORD i, size;
 561     MSIQUERY *view;
 562     MSIRECORD *rec;
 563     LPWSTR query;
 564
 565     static const WCHAR select[] = {
 566         'S','E','L','E','C','T',' ','*',' ',
 567         'F','R','O','M',' ','`','%','s','`',0
 568     };
 569
 570     size = lstrlenW(select) + lstrlenW(labels[0]) - 1;
 571     query = msi_alloc(size * sizeof(WCHAR));
 572     if (!query)
 573         return ERROR_OUTOFMEMORY;
 574
 575     sprintfW(query, select, labels[0]);
 576
 577     r = MSI_DatabaseOpenViewW(db, query, &view);
 578     msi_free(query);
 579     if (r != ERROR_SUCCESS)
 580         return r;
 581
 582     while (MSI_ViewFetch(view, &rec) != ERROR_NO_MORE_ITEMS)
 583     {
 584         r = MSI_ViewModify(view, MSIMODIFY_DELETE, rec);
 585         if (r != ERROR_SUCCESS)
 586             goto done;
 587     }
 588
 589     for (i = 0; i < num_records; i++)
 590     {
 591         r = construct_record(num_columns, types, records[i], &rec);
 592         if (r != ERROR_SUCCESS)
 593             goto done;
 594
 595         r = MSI_ViewModify(view, MSIMODIFY_INSERT, rec);
 596         if (r != ERROR_SUCCESS)
 597         {
 598             msiobj_release(&rec->hdr);
 599             goto done;
 600         }
 601
 602         msiobj_release(&rec->hdr);
 603     }
 604
 605 done:
 606     msiobj_release(&view->hdr);
 607     return r;
 608 }
 609
 610 UINT MSI_DatabaseImport(MSIDATABASE *db, LPCWSTR folder, LPCWSTR file)
 611 {
 612     UINT r;
 613     DWORD len, i;
 614     DWORD num_labels, num_types;
 615     DWORD num_columns, num_records = 0;
 616     LPWSTR *columns, *types, *labels;
 617     LPWSTR path, ptr, data;
 618     LPWSTR **records = NULL;
 619     LPWSTR **temp_records;
 620
 621     static const WCHAR backslash[] = {'\\',0};
 622
 623     TRACE("%p %s %s\n", db, debugstr_w(folder), debugstr_w(file) );
 624
 625     if( folder == NULL || file == NULL )
 626         return ERROR_INVALID_PARAMETER;
 627
 628     len = lstrlenW(folder) + lstrlenW(backslash) + lstrlenW(file) + 1;
 629     path = msi_alloc( len * sizeof(WCHAR) );
 630     if (!path)
 631         return ERROR_OUTOFMEMORY;
 632
 633     lstrcpyW( path, folder );
 634     lstrcatW( path, backslash );
 635     lstrcatW( path, file );
 636
 637     data = msi_read_text_archive( path );
 638
 639     ptr = data;
 640     msi_parse_line( &ptr, &columns, &num_columns );
 641     msi_parse_line( &ptr, &types, &num_types );
 642     msi_parse_line( &ptr, &labels, &num_labels );
 643
 644     if (num_columns != num_types)
 645     {
 646         r = ERROR_FUNCTION_FAILED;
 647         goto done;
 648     }
 649
 650     records = msi_alloc(sizeof(LPWSTR *));
 651     if (!records)
 652     {
 653         r = ERROR_OUTOFMEMORY;
 654         goto done;
 655     }
 656
 657     /* read in the table records */
 658     while (*ptr)
 659     {
 660         msi_parse_line( &ptr, &records[num_records], NULL );
 661
 662         num_records++;
 663         temp_records = msi_realloc(records, (num_records + 1) * sizeof(LPWSTR *));
 664         if (!temp_records)
 665         {
 666             r = ERROR_OUTOFMEMORY;
 667             goto done;
 668         }
 669         records = temp_records;
 670     }
 671
 672     if (!TABLE_Exists(db, labels[0]))
 673     {
 674         r = msi_add_table_to_db( db, columns, types, labels, num_labels, num_columns );
 675         if (r != ERROR_SUCCESS)
 676         {
 677             r = ERROR_FUNCTION_FAILED;
 678             goto done;
 679         }
 680     }
 681
 682     r = msi_add_records_to_table( db, columns, types, labels, records, num_columns, num_records );
 683
 684 done:
 685     msi_free(path);
 686     msi_free(data);
 687     msi_free(columns);
 688     msi_free(types);
 689     msi_free(labels);
 690
 691     for (i = 0; i < num_records; i++)
 692         msi_free(records[i]);
 693
 694     msi_free(records);
 695
 696     return r;
 697 }
 698
 699 UINT WINAPI MsiDatabaseImportW(MSIHANDLE handle, LPCWSTR szFolder, LPCWSTR szFilename)
 700 {
 701     MSIDATABASE *db;
 702     UINT r;
 703
 704     TRACE("%lx %s %s\n",handle,debugstr_w(szFolder), debugstr_w(szFilename));
 705
 706     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 707     if( !db )
 708     {
 709         IWineMsiRemoteDatabase *remote_database;
 710
 711         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 712         if ( !remote_database )
 713             return ERROR_INVALID_HANDLE;
 714
 715         IWineMsiRemoteDatabase_Release( remote_database );
 716         WARN("MsiDatabaseImport not allowed during a custom action!\n");
 717
 718         return ERROR_SUCCESS;
 719     }
 720
 721     r = MSI_DatabaseImport( db, szFolder, szFilename );
 722     msiobj_release( &db->hdr );
 723     return r;
 724 }
 725
 726 UINT WINAPI MsiDatabaseImportA( MSIHANDLE handle,
 727                LPCSTR szFolder, LPCSTR szFilename )
 728 {
 729     LPWSTR path = NULL, file = NULL;
 730     UINT r = ERROR_OUTOFMEMORY;
 731
 732     TRACE("%lx %s %s\n", handle, debugstr_a(szFolder), debugstr_a(szFilename));
 733
 734     if( szFolder )
 735     {
 736         path = strdupAtoW( szFolder );
 737         if( !path )
 738             goto end;
 739     }
 740
 741     if( szFilename )
 742     {
 743         file = strdupAtoW( szFilename );
 744         if( !file )
 745             goto end;
 746     }
 747
 748     r = MsiDatabaseImportW( handle, path, file );
 749
 750 end:
 751     msi_free( path );
 752     msi_free( file );
 753
 754     return r;
 755 }
 756
 757 static UINT msi_export_record( HANDLE handle, MSIRECORD *row, UINT start )
 758 {
 759     UINT i, count, len, r = ERROR_SUCCESS;
 760     const char *sep;
 761     char *buffer;
 762     DWORD sz;
 763
 764     len = 0x100;
 765     buffer = msi_alloc( len );
 766     if ( !buffer )
 767         return ERROR_OUTOFMEMORY;
 768
 769     count = MSI_RecordGetFieldCount( row );
 770     for ( i=start; i<=count; i++ )
 771     {
 772         sz = len;
 773         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 774         if (r == ERROR_MORE_DATA)
 775         {
 776             char *p = msi_realloc( buffer, sz + 1 );
 777             if (!p)
 778                 break;
 779             len = sz + 1;
 780             buffer = p;
 781         }
 782         sz = len;
 783         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 784         if (r != ERROR_SUCCESS)
 785             break;
 786
 787         if (!WriteFile( handle, buffer, sz, &sz, NULL ))
 788         {
 789             r = ERROR_FUNCTION_FAILED;
 790             break;
 791         }
 792
 793         sep = (i < count) ? "\t" : "\r\n";
 794         if (!WriteFile( handle, sep, strlen(sep), &sz, NULL ))
 795         {
 796             r = ERROR_FUNCTION_FAILED;
 797             break;
 798         }
 799     }
 800     msi_free( buffer );
 801     return r;
 802 }
 803
 804 static UINT msi_export_row( MSIRECORD *row, void *arg )
 805 {
 806     return msi_export_record( arg, row, 1 );
 807 }
 808
 809 static UINT msi_export_forcecodepage( HANDLE handle )
 810 {
 811     DWORD sz;
 812
 813     static const char data[] = "\r\n\r\n0\t_ForceCodepage\r\n";
 814
 815     FIXME("Read the codepage from the strings table!\n");
 816
 817     sz = lstrlenA(data) + 1;
 818     if (!WriteFile(handle, data, sz, &sz, NULL))
 819         return ERROR_FUNCTION_FAILED;
 820
 821     return ERROR_SUCCESS;
 822 }
 823
 824 UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
 825                LPCWSTR folder, LPCWSTR file )
 826 {
 827     static const WCHAR query[] = {
 828         's','e','l','e','c','t',' ','*',' ','f','r','o','m',' ','%','s',0 };
 829     static const WCHAR szbs[] = { '\\', 0 };
 830     static const WCHAR forcecodepage[] = {
 831         '_','F','o','r','c','e','C','o','d','e','p','a','g','e',0 };
 832     MSIRECORD *rec = NULL;
 833     MSIQUERY *view = NULL;
 834     LPWSTR filename;
 835     HANDLE handle;
 836     UINT len, r;
 837
 838     TRACE("%p %s %s %s\n", db, debugstr_w(table),
 839           debugstr_w(folder), debugstr_w(file) );
 840
 841     if( folder == NULL || file == NULL )
 842         return ERROR_INVALID_PARAMETER;
 843
 844     len = lstrlenW(folder) + lstrlenW(file) + 2;
 845     filename = msi_alloc(len * sizeof (WCHAR));
 846     if (!filename)
 847         return ERROR_OUTOFMEMORY;
 848
 849     lstrcpyW( filename, folder );
 850     lstrcatW( filename, szbs );
 851     lstrcatW( filename, file );
 852
 853     handle = CreateFileW( filename, GENERIC_READ | GENERIC_WRITE, 0,
 854                           NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
 855     msi_free( filename );
 856     if (handle == INVALID_HANDLE_VALUE)
 857         return ERROR_FUNCTION_FAILED;
 858
 859     if (!lstrcmpW( table, forcecodepage ))
 860     {
 861         r = msi_export_forcecodepage( handle );
 862         goto done;
 863     }
 864
 865     r = MSI_OpenQuery( db, &view, query, table );
 866     if (r == ERROR_SUCCESS)
 867     {
 868         /* write out row 1, the column names */
 869         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &rec);
 870         if (r == ERROR_SUCCESS)
 871         {
 872             msi_export_record( handle, rec, 1 );
 873             msiobj_release( &rec->hdr );
 874         }
 875
 876         /* write out row 2, the column types */
 877         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_TYPES, &rec);
 878         if (r == ERROR_SUCCESS)
 879         {
 880             msi_export_record( handle, rec, 1 );
 881             msiobj_release( &rec->hdr );
 882         }
 883
 884         /* write out row 3, the table name + keys */
 885         r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
 886         if (r == ERROR_SUCCESS)
 887         {
 888             MSI_RecordSetStringW( rec, 0, table );
 889             msi_export_record( handle, rec, 0 );
 890             msiobj_release( &rec->hdr );
 891         }
 892
 893         /* write out row 4 onwards, the data */
 894         r = MSI_IterateRecords( view, 0, msi_export_row, handle );
 895         msiobj_release( &view->hdr );
 896     }
 897
 898 done:
 899     CloseHandle( handle );
 900     return r;
 901 }
 902
 903 /***********************************************************************
 904  * MsiExportDatabaseW        [MSI.@]
 905  *
 906  * Writes a file containing the table data as tab separated ASCII.
 907  *
 908  * The format is as follows:
 909  *
 910  * row1 : colname1 <tab> colname2 <tab> .... colnameN <cr> <lf>
 911  * row2 : coltype1 <tab> coltype2 <tab> .... coltypeN <cr> <lf>
 912  * row3 : tablename <tab> key1 <tab> key2 <tab> ... keyM <cr> <lf>
 913  *
 914  * Followed by the data, starting at row 1 with one row per line
 915  *
 916  * row4 : data <tab> data <tab> data <tab> ... data <cr> <lf>
 917  */
 918 UINT WINAPI MsiDatabaseExportW( MSIHANDLE handle, LPCWSTR szTable,
 919                LPCWSTR szFolder, LPCWSTR szFilename )
 920 {
 921     MSIDATABASE *db;
 922     UINT r;
 923
 924     TRACE("%lx %s %s %s\n", handle, debugstr_w(szTable),
 925           debugstr_w(szFolder), debugstr_w(szFilename));
 926
 927     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 928     if( !db )
 929     {
 930         IWineMsiRemoteDatabase *remote_database;
 931
 932         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 933         if ( !remote_database )
 934             return ERROR_INVALID_HANDLE;
 935
 936         IWineMsiRemoteDatabase_Release( remote_database );
 937         WARN("MsiDatabaseExport not allowed during a custom action!\n");
 938
 939         return ERROR_SUCCESS;
 940     }
 941
 942     r = MSI_DatabaseExport( db, szTable, szFolder, szFilename );
 943     msiobj_release( &db->hdr );
 944     return r;
 945 }
 946
 947 UINT WINAPI MsiDatabaseExportA( MSIHANDLE handle, LPCSTR szTable,
 948                LPCSTR szFolder, LPCSTR szFilename )
 949 {
 950     LPWSTR path = NULL, file = NULL, table = NULL;
 951     UINT r = ERROR_OUTOFMEMORY;
 952
 953     TRACE("%lx %s %s %s\n", handle, debugstr_a(szTable),
 954           debugstr_a(szFolder), debugstr_a(szFilename));
 955
 956     if( szTable )
 957     {
 958         table = strdupAtoW( szTable );
 959         if( !table )
 960             goto end;
 961     }
 962
 963     if( szFolder )
 964     {
 965         path = strdupAtoW( szFolder );
 966         if( !path )
 967             goto end;
 968     }
 969
 970     if( szFilename )
 971     {
 972         file = strdupAtoW( szFilename );
 973         if( !file )
 974             goto end;
 975     }
 976
 977     r = MsiDatabaseExportW( handle, table, path, file );
 978
 979 end:
 980     msi_free( table );
 981     msi_free( path );
 982     msi_free( file );
 983
 984     return r;
 985 }
 986
 987 MSIDBSTATE WINAPI MsiGetDatabaseState( MSIHANDLE handle )
 988 {
 989     MSIDBSTATE ret = MSIDBSTATE_READ;
 990     MSIDATABASE *db;
 991
 992     TRACE("%ld\n", handle);
 993
 994     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 995     if( !db )
 996     {
 997         IWineMsiRemoteDatabase *remote_database;
 998
 999         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
1000         if ( !remote_database )
1001             return MSIDBSTATE_ERROR;
1002
1003         IWineMsiRemoteDatabase_Release( remote_database );
1004         WARN("MsiGetDatabaseState not allowed during a custom action!\n");
1005
1006         return MSIDBSTATE_READ;
1007     }
1008
1009     if (db->mode != MSIDBOPEN_READONLY )
1010         ret = MSIDBSTATE_WRITE;
1011     msiobj_release( &db->hdr );
1012
1013     return ret;
1014 }
1015
1016 typedef struct _msi_remote_database_impl {
1017     const IWineMsiRemoteDatabaseVtbl *lpVtbl;
1018     MSIHANDLE database;
1019     LONG refs;
1020 } msi_remote_database_impl;
1021
1022 static inline msi_remote_database_impl* mrd_from_IWineMsiRemoteDatabase( IWineMsiRemoteDatabase* iface )
1023 {
1024     return (msi_remote_database_impl *)iface;
1025 }
1026
1027 static HRESULT WINAPI mrd_QueryInterface( IWineMsiRemoteDatabase *iface,
1028                                           REFIID riid,LPVOID *ppobj)
1029 {
1030     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1031         IsEqualCLSID( riid, &IID_IWineMsiRemoteDatabase ) )
1032     {
1033         IUnknown_AddRef( iface );
1034         *ppobj = iface;
1035         return S_OK;
1036     }
1037
1038     return E_NOINTERFACE;
1039 }
1040
1041 static ULONG WINAPI mrd_AddRef( IWineMsiRemoteDatabase *iface )
1042 {
1043     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1044
1045     return InterlockedIncrement( &This->refs );
1046 }
1047
1048 static ULONG WINAPI mrd_Release( IWineMsiRemoteDatabase *iface )
1049 {
1050     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1051     ULONG r;
1052
1053     r = InterlockedDecrement( &This->refs );
1054     if (r == 0)
1055     {
1056         MsiCloseHandle( This->database );
1057         msi_free( This );
1058     }
1059     return r;
1060 }
1061
1062 static HRESULT WINAPI mrd_IsTablePersistent( IWineMsiRemoteDatabase *iface,
1063                                              BSTR table, MSICONDITION *persistent )
1064 {
1065     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1066     *persistent = MsiDatabaseIsTablePersistentW(This->database, (LPWSTR)table);
1067     return S_OK;
1068 }
1069
1070 static HRESULT WINAPI mrd_GetPrimaryKeys( IWineMsiRemoteDatabase *iface,
1071                                           BSTR table, MSIHANDLE *keys )
1072 {
1073     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1074     UINT r = MsiDatabaseGetPrimaryKeysW(This->database, (LPWSTR)table, keys);
1075     return HRESULT_FROM_WIN32(r);
1076 }
1077
1078 static HRESULT WINAPI mrd_GetSummaryInformation( IWineMsiRemoteDatabase *iface,
1079                                                 UINT updatecount, MSIHANDLE *suminfo )
1080 {
1081     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1082     UINT r = MsiGetSummaryInformationW(This->database, NULL, updatecount, suminfo);
1083     return HRESULT_FROM_WIN32(r);
1084 }
1085
1086 static HRESULT WINAPI mrd_OpenView( IWineMsiRemoteDatabase *iface,
1087                                     BSTR query, MSIHANDLE *view )
1088 {
1089     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1090     UINT r = MsiDatabaseOpenViewW(This->database, (LPWSTR)query, view);
1091     return HRESULT_FROM_WIN32(r);
1092 }
1093
1094 static HRESULT WINAPI mrd_SetMsiHandle( IWineMsiRemoteDatabase *iface, MSIHANDLE handle )
1095 {
1096     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1097     This->database = handle;
1098     return S_OK;
1099 }
1100
1101 static const IWineMsiRemoteDatabaseVtbl msi_remote_database_vtbl =
1102 {
1103     mrd_QueryInterface,
1104     mrd_AddRef,
1105     mrd_Release,
1106     mrd_IsTablePersistent,
1107     mrd_GetPrimaryKeys,
1108     mrd_GetSummaryInformation,
1109     mrd_OpenView,
1110     mrd_SetMsiHandle,
1111 };
1112
1113 HRESULT create_msi_remote_database( IUnknown *pOuter, LPVOID *ppObj )
1114 {
1115     msi_remote_database_impl *This;
1116
1117     This = msi_alloc( sizeof *This );
1118     if (!This)
1119         return E_OUTOFMEMORY;
1120
1121     This->lpVtbl = &msi_remote_database_vtbl;
1122     This->database = 0;
1123     This->refs = 1;
1124
1125     *ppObj = This;
1126
1127     return S_OK;
1128 }