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     ret = ERROR_SUCCESS;
 208
 209     msiobj_addref( &db->hdr );
 210     IStorage_AddRef( stg );
 211     *pdb = db;
 212
 213 end:
 214     if( db )
 215         msiobj_release( &db->hdr );
 216     if( stg )
 217         IStorage_Release( stg );
 218
 219     return ret;
 220 }
 221
 222 UINT WINAPI MsiOpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIHANDLE *phDB)
 223 {
 224     MSIDATABASE *db;
 225     UINT ret;
 226
 227     TRACE("%s %s %p\n",debugstr_w(szDBPath),debugstr_w(szPersist), phDB);
 228
 229     ret = MSI_OpenDatabaseW( szDBPath, szPersist, &db );
 230     if( ret == ERROR_SUCCESS )
 231     {
 232         *phDB = alloc_msihandle( &db->hdr );
 233         if (! *phDB)
 234             ret = ERROR_NOT_ENOUGH_MEMORY;
 235         msiobj_release( &db->hdr );
 236     }
 237
 238     return ret;
 239 }
 240
 241 UINT WINAPI MsiOpenDatabaseA(LPCSTR szDBPath, LPCSTR szPersist, MSIHANDLE *phDB)
 242 {
 243     HRESULT r = ERROR_FUNCTION_FAILED;
 244     LPWSTR szwDBPath = NULL, szwPersist = NULL;
 245
 246     TRACE("%s %s %p\n", debugstr_a(szDBPath), debugstr_a(szPersist), phDB);
 247
 248     if( szDBPath )
 249     {
 250         szwDBPath = strdupAtoW( szDBPath );
 251         if( !szwDBPath )
 252             goto end;
 253     }
 254
 255     if( HIWORD(szPersist) )
 256     {
 257         szwPersist = strdupAtoW( szPersist );
 258         if( !szwPersist )
 259             goto end;
 260     }
 261     else
 262         szwPersist = (LPWSTR)(DWORD_PTR)szPersist;
 263
 264     r = MsiOpenDatabaseW( szwDBPath, szwPersist, phDB );
 265
 266 end:
 267     if( HIWORD(szPersist) )
 268         msi_free( szwPersist );
 269     msi_free( szwDBPath );
 270
 271     return r;
 272 }
 273
 274 static LPWSTR msi_read_text_archive(LPCWSTR path)
 275 {
 276     HANDLE file;
 277     LPSTR data = NULL;
 278     LPWSTR wdata = NULL;
 279     DWORD read, size = 0;
 280
 281     file = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
 282     if (file == INVALID_HANDLE_VALUE)
 283         return NULL;
 284
 285     size = GetFileSize( file, NULL );
 286     data = msi_alloc( size + 1 );
 287     if (!data)
 288         goto done;
 289
 290     if (!ReadFile( file, data, size, &read, NULL ))
 291         goto done;
 292
 293     data[size] = '\0';
 294     wdata = strdupAtoW( data );
 295
 296 done:
 297     CloseHandle( file );
 298     msi_free( data );
 299     return wdata;
 300 }
 301
 302 static void msi_parse_line(LPWSTR *line, LPWSTR **entries, DWORD *num_entries)
 303 {
 304     LPWSTR ptr = *line, save;
 305     DWORD i, count = 1;
 306
 307     *entries = NULL;
 308
 309     /* stay on this line */
 310     while (*ptr && *ptr != '\n')
 311     {
 312         /* entries are separated by tabs */
 313         if (*ptr == '\t')
 314             count++;
 315
 316         ptr++;
 317     }
 318
 319     *entries = msi_alloc(count * sizeof(LPWSTR));
 320     if (!*entries)
 321         return;
 322
 323     /* store pointers into the data */
 324     for (i = 0, ptr = *line; i < count; i++)
 325     {
 326         while (*ptr && *ptr == '\r') ptr++;
 327         save = ptr;
 328
 329         while (*ptr && *ptr != '\t' && *ptr != '\n' && *ptr != '\r') ptr++;
 330
 331         /* NULL-separate the data */
 332         if (*ptr == '\n' || *ptr == '\r')
 333         {
 334             while (*ptr == '\n' || *ptr == '\r')
 335                 *(ptr++) = '\0';
 336         }
 337         else if (*ptr)
 338             *ptr++ = '\0';
 339
 340         (*entries)[i] = save;
 341     }
 342
 343     /* move to the next line if there's more, else EOF */
 344     *line = ptr;
 345
 346     if (num_entries)
 347         *num_entries = count;
 348 }
 349
 350 static LPWSTR msi_build_createsql_prelude(LPWSTR table)
 351 {
 352     LPWSTR prelude;
 353     DWORD size;
 354
 355     static const WCHAR create_fmt[] = {'C','R','E','A','T','E',' ','T','A','B','L','E',' ','`','%','s','`',' ','(',' ',0};
 356
 357     size = sizeof(create_fmt)/sizeof(create_fmt[0]) + lstrlenW(table) - 2;
 358     prelude = msi_alloc(size * sizeof(WCHAR));
 359     if (!prelude)
 360         return NULL;
 361
 362     sprintfW(prelude, create_fmt, table);
 363     return prelude;
 364 }
 365
 366 static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
 367 {
 368     LPWSTR columns, p;
 369     LPCWSTR type;
 370     DWORD sql_size = 1, i, len;
 371     WCHAR expanded[128], *ptr;
 372     WCHAR size[10], comma[2], extra[30];
 373
 374     static const WCHAR column_fmt[] = {'`','%','s','`',' ','%','s','%','s','%','s','%','s',' ',0};
 375     static const WCHAR size_fmt[] = {'(','%','s',')',0};
 376     static const WCHAR type_char[] = {'C','H','A','R',0};
 377     static const WCHAR type_int[] = {'I','N','T',0};
 378     static const WCHAR type_long[] = {'L','O','N','G',0};
 379     static const WCHAR type_notnull[] = {' ','N','O','T',' ','N','U','L','L',0};
 380     static const WCHAR localizable[] = {' ','L','O','C','A','L','I','Z','A','B','L','E',0};
 381
 382     columns = msi_alloc_zero(sql_size * sizeof(WCHAR));
 383     if (!columns)
 384         return NULL;
 385
 386     for (i = 0; i < num_columns; i++)
 387     {
 388         type = NULL;
 389         comma[1] = size[0] = extra[0] = '\0';
 390
 391         if (i == num_columns - 1)
 392             comma[0] = '\0';
 393         else
 394             comma[0] = ',';
 395
 396         ptr = &types[i][1];
 397         len = atolW(ptr);
 398         extra[0] = '\0';
 399
 400         switch (types[i][0])
 401         {
 402             case 'l':
 403                 lstrcpyW(extra, type_notnull);
 404             case 'L':
 405                 lstrcatW(extra, localizable);
 406                 type = type_char;
 407                 sprintfW(size, size_fmt, ptr);
 408                 break;
 409             case 's':
 410                 lstrcpyW(extra, type_notnull);
 411             case 'S':
 412                 type = type_char;
 413                 sprintfW(size, size_fmt, ptr);
 414                 break;
 415             case 'i':
 416                 lstrcpyW(extra, type_notnull);
 417             case 'I':
 418                 if (len == 2)
 419                     type = type_int;
 420                 else
 421                     type = type_long;
 422                 break;
 423             default:
 424                 ERR("Unknown type: %c\n", types[i][0]);
 425                 msi_free(columns);
 426                 return NULL;
 427         }
 428
 429         sprintfW(expanded, column_fmt, columns_data[i], type, size, extra, comma);
 430         sql_size += lstrlenW(expanded);
 431
 432         p = msi_realloc(columns, sql_size * sizeof(WCHAR));
 433         if (!p)
 434         {
 435             msi_free(columns);
 436             return NULL;
 437         }
 438         columns = p;
 439
 440         lstrcatW(columns, expanded);
 441     }
 442
 443     return columns;
 444 }
 445
 446 static LPWSTR msi_build_createsql_postlude(LPWSTR *primary_keys, DWORD num_keys)
 447 {
 448     LPWSTR postlude, keys, ptr;
 449     DWORD size, key_size, i;
 450
 451     static const WCHAR key_fmt[] = {'`','%','s','`',',',' ',0};
 452     static const WCHAR postlude_fmt[] = {'P','R','I','M','A','R','Y',' ','K','E','Y',' ','%','s',')',0};
 453
 454     for (i = 0, size = 1; i < num_keys; i++)
 455         size += lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) - 2;
 456
 457     keys = msi_alloc(size * sizeof(WCHAR));
 458     if (!keys)
 459         return NULL;
 460
 461     for (i = 0, ptr = keys; i < num_keys; i++)
 462     {
 463         key_size = lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) -2;
 464         sprintfW(ptr, key_fmt, primary_keys[i]);
 465         ptr += key_size;
 466     }
 467
 468     /* remove final ', ' */
 469     *(ptr - 2) = '\0';
 470
 471     size = lstrlenW(postlude_fmt) + size - 1;
 472     postlude = msi_alloc(size * sizeof(WCHAR));
 473     if (!postlude)
 474         goto done;
 475
 476     sprintfW(postlude, postlude_fmt, keys);
 477
 478 done:
 479     msi_free(keys);
 480     return postlude;
 481 }
 482
 483 static UINT msi_add_table_to_db(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types, LPWSTR *labels, DWORD num_labels, DWORD num_columns)
 484 {
 485     UINT r;
 486     DWORD size;
 487     MSIQUERY *view;
 488     LPWSTR create_sql;
 489     LPWSTR prelude, columns_sql, postlude;
 490
 491     prelude = msi_build_createsql_prelude(labels[0]);
 492     columns_sql = msi_build_createsql_columns(columns, types, num_columns);
 493     postlude = msi_build_createsql_postlude(labels + 1, num_labels - 1); /* skip over table name */
 494
 495     if (!prelude || !columns_sql || !postlude)
 496         return ERROR_OUTOFMEMORY;
 497
 498     size = lstrlenW(prelude) + lstrlenW(columns_sql) + lstrlenW(postlude) + 1;
 499     create_sql = msi_alloc(size * sizeof(WCHAR));
 500     if (!create_sql)
 501         return ERROR_OUTOFMEMORY;
 502
 503     lstrcpyW(create_sql, prelude);
 504     lstrcatW(create_sql, columns_sql);
 505     lstrcatW(create_sql, postlude);
 506
 507     msi_free(prelude);
 508     msi_free(columns_sql);
 509     msi_free(postlude);
 510
 511     r = MSI_DatabaseOpenViewW( db, create_sql, &view );
 512     msi_free(create_sql);
 513
 514     if (r != ERROR_SUCCESS)
 515         return r;
 516
 517     r = MSI_ViewExecute(view, NULL);
 518     MSI_ViewClose(view);
 519     msiobj_release(&view->hdr);
 520
 521     return r;
 522 }
 523
 524 static UINT construct_record(DWORD num_columns, LPWSTR *types,
 525                              LPWSTR *data, MSIRECORD **rec)
 526 {
 527     UINT i;
 528
 529     *rec = MSI_CreateRecord(num_columns);
 530     if (!*rec)
 531         return ERROR_OUTOFMEMORY;
 532
 533     for (i = 0; i < num_columns; i++)
 534     {
 535         switch (types[i][0])
 536         {
 537             case 'L': case 'l': case 'S': case 's':
 538                 MSI_RecordSetStringW(*rec, i + 1, data[i]);
 539                 break;
 540             case 'I': case 'i':
 541                 if (*data[i])
 542                     MSI_RecordSetInteger(*rec, i + 1, atoiW(data[i]));
 543                 break;
 544             default:
 545                 ERR("Unhandled column type: %c\n", types[i][0]);
 546                 msiobj_release(&(*rec)->hdr);
 547                 return ERROR_FUNCTION_FAILED;
 548         }
 549     }
 550
 551     return ERROR_SUCCESS;
 552 }
 553
 554 static UINT msi_add_records_to_table(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types,
 555                                      LPWSTR *labels, LPWSTR **records,
 556                                      int num_columns, int num_records)
 557 {
 558     UINT r;
 559     DWORD i, size;
 560     MSIQUERY *view;
 561     MSIRECORD *rec;
 562     LPWSTR query;
 563
 564     static const WCHAR select[] = {
 565         'S','E','L','E','C','T',' ','*',' ',
 566         'F','R','O','M',' ','`','%','s','`',0
 567     };
 568
 569     size = lstrlenW(select) + lstrlenW(labels[0]) - 1;
 570     query = msi_alloc(size * sizeof(WCHAR));
 571     if (!query)
 572         return ERROR_OUTOFMEMORY;
 573
 574     sprintfW(query, select, labels[0]);
 575
 576     r = MSI_DatabaseOpenViewW(db, query, &view);
 577     msi_free(query);
 578     if (r != ERROR_SUCCESS)
 579         return r;
 580
 581     while (MSI_ViewFetch(view, &rec) != ERROR_NO_MORE_ITEMS)
 582     {
 583         r = MSI_ViewModify(view, MSIMODIFY_DELETE, rec);
 584         if (r != ERROR_SUCCESS)
 585             goto done;
 586     }
 587
 588     for (i = 0; i < num_records; i++)
 589     {
 590         r = construct_record(num_columns, types, records[i], &rec);
 591         if (r != ERROR_SUCCESS)
 592             goto done;
 593
 594         r = MSI_ViewModify(view, MSIMODIFY_INSERT, rec);
 595         if (r != ERROR_SUCCESS)
 596         {
 597             msiobj_release(&rec->hdr);
 598             goto done;
 599         }
 600
 601         msiobj_release(&rec->hdr);
 602     }
 603
 604 done:
 605     msiobj_release(&view->hdr);
 606     return r;
 607 }
 608
 609 UINT MSI_DatabaseImport(MSIDATABASE *db, LPCWSTR folder, LPCWSTR file)
 610 {
 611     UINT r;
 612     DWORD len, i;
 613     DWORD num_labels, num_types;
 614     DWORD num_columns, num_records = 0;
 615     LPWSTR *columns, *types, *labels;
 616     LPWSTR path, ptr, data;
 617     LPWSTR **records = NULL;
 618     LPWSTR **temp_records;
 619
 620     static const WCHAR backslash[] = {'\\',0};
 621
 622     TRACE("%p %s %s\n", db, debugstr_w(folder), debugstr_w(file) );
 623
 624     if( folder == NULL || file == NULL )
 625         return ERROR_INVALID_PARAMETER;
 626
 627     len = lstrlenW(folder) + lstrlenW(backslash) + lstrlenW(file) + 1;
 628     path = msi_alloc( len * sizeof(WCHAR) );
 629     if (!path)
 630         return ERROR_OUTOFMEMORY;
 631
 632     lstrcpyW( path, folder );
 633     lstrcatW( path, backslash );
 634     lstrcatW( path, file );
 635
 636     data = msi_read_text_archive( path );
 637
 638     ptr = data;
 639     msi_parse_line( &ptr, &columns, &num_columns );
 640     msi_parse_line( &ptr, &types, &num_types );
 641     msi_parse_line( &ptr, &labels, &num_labels );
 642
 643     if (num_columns != num_types)
 644     {
 645         r = ERROR_FUNCTION_FAILED;
 646         goto done;
 647     }
 648
 649     records = msi_alloc(sizeof(LPWSTR *));
 650     if (!records)
 651     {
 652         r = ERROR_OUTOFMEMORY;
 653         goto done;
 654     }
 655
 656     /* read in the table records */
 657     while (*ptr)
 658     {
 659         msi_parse_line( &ptr, &records[num_records], NULL );
 660
 661         num_records++;
 662         temp_records = msi_realloc(records, (num_records + 1) * sizeof(LPWSTR *));
 663         if (!temp_records)
 664         {
 665             r = ERROR_OUTOFMEMORY;
 666             goto done;
 667         }
 668         records = temp_records;
 669     }
 670
 671     if (!TABLE_Exists(db, labels[0]))
 672     {
 673         r = msi_add_table_to_db( db, columns, types, labels, num_labels, num_columns );
 674         if (r != ERROR_SUCCESS)
 675         {
 676             r = ERROR_FUNCTION_FAILED;
 677             goto done;
 678         }
 679     }
 680
 681     r = msi_add_records_to_table( db, columns, types, labels, records, num_columns, num_records );
 682
 683 done:
 684     msi_free(path);
 685     msi_free(data);
 686     msi_free(columns);
 687     msi_free(types);
 688     msi_free(labels);
 689
 690     for (i = 0; i < num_records; i++)
 691         msi_free(records[i]);
 692
 693     msi_free(records);
 694
 695     return r;
 696 }
 697
 698 UINT WINAPI MsiDatabaseImportW(MSIHANDLE handle, LPCWSTR szFolder, LPCWSTR szFilename)
 699 {
 700     MSIDATABASE *db;
 701     UINT r;
 702
 703     TRACE("%lx %s %s\n",handle,debugstr_w(szFolder), debugstr_w(szFilename));
 704
 705     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 706     if( !db )
 707     {
 708         IWineMsiRemoteDatabase *remote_database;
 709
 710         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 711         if ( !remote_database )
 712             return ERROR_INVALID_HANDLE;
 713
 714         IWineMsiRemoteDatabase_Release( remote_database );
 715         WARN("MsiDatabaseImport not allowed during a custom action!\n");
 716
 717         return ERROR_SUCCESS;
 718     }
 719
 720     r = MSI_DatabaseImport( db, szFolder, szFilename );
 721     msiobj_release( &db->hdr );
 722     return r;
 723 }
 724
 725 UINT WINAPI MsiDatabaseImportA( MSIHANDLE handle,
 726                LPCSTR szFolder, LPCSTR szFilename )
 727 {
 728     LPWSTR path = NULL, file = NULL;
 729     UINT r = ERROR_OUTOFMEMORY;
 730
 731     TRACE("%lx %s %s\n", handle, debugstr_a(szFolder), debugstr_a(szFilename));
 732
 733     if( szFolder )
 734     {
 735         path = strdupAtoW( szFolder );
 736         if( !path )
 737             goto end;
 738     }
 739
 740     if( szFilename )
 741     {
 742         file = strdupAtoW( szFilename );
 743         if( !file )
 744             goto end;
 745     }
 746
 747     r = MsiDatabaseImportW( handle, path, file );
 748
 749 end:
 750     msi_free( path );
 751     msi_free( file );
 752
 753     return r;
 754 }
 755
 756 static UINT msi_export_record( HANDLE handle, MSIRECORD *row, UINT start )
 757 {
 758     UINT i, count, len, r = ERROR_SUCCESS;
 759     const char *sep;
 760     char *buffer;
 761     DWORD sz;
 762
 763     len = 0x100;
 764     buffer = msi_alloc( len );
 765     if ( !buffer )
 766         return ERROR_OUTOFMEMORY;
 767
 768     count = MSI_RecordGetFieldCount( row );
 769     for ( i=start; i<=count; i++ )
 770     {
 771         sz = len;
 772         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 773         if (r == ERROR_MORE_DATA)
 774         {
 775             char *p = msi_realloc( buffer, sz + 1 );
 776             if (!p)
 777                 break;
 778             len = sz + 1;
 779             buffer = p;
 780         }
 781         sz = len;
 782         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 783         if (r != ERROR_SUCCESS)
 784             break;
 785
 786         if (!WriteFile( handle, buffer, sz, &sz, NULL ))
 787         {
 788             r = ERROR_FUNCTION_FAILED;
 789             break;
 790         }
 791
 792         sep = (i < count) ? "\t" : "\r\n";
 793         if (!WriteFile( handle, sep, strlen(sep), &sz, NULL ))
 794         {
 795             r = ERROR_FUNCTION_FAILED;
 796             break;
 797         }
 798     }
 799     msi_free( buffer );
 800     return r;
 801 }
 802
 803 static UINT msi_export_row( MSIRECORD *row, void *arg )
 804 {
 805     return msi_export_record( arg, row, 1 );
 806 }
 807
 808 static UINT msi_export_forcecodepage( HANDLE handle )
 809 {
 810     DWORD sz;
 811
 812     static const char data[] = "\r\n\r\n0\t_ForceCodepage\r\n";
 813
 814     FIXME("Read the codepage from the strings table!\n");
 815
 816     sz = lstrlenA(data) + 1;
 817     if (!WriteFile(handle, data, sz, &sz, NULL))
 818         return ERROR_FUNCTION_FAILED;
 819
 820     return ERROR_SUCCESS;
 821 }
 822
 823 UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
 824                LPCWSTR folder, LPCWSTR file )
 825 {
 826     static const WCHAR query[] = {
 827         's','e','l','e','c','t',' ','*',' ','f','r','o','m',' ','%','s',0 };
 828     static const WCHAR szbs[] = { '\\', 0 };
 829     static const WCHAR forcecodepage[] = {
 830         '_','F','o','r','c','e','C','o','d','e','p','a','g','e',0 };
 831     MSIRECORD *rec = NULL;
 832     MSIQUERY *view = NULL;
 833     LPWSTR filename;
 834     HANDLE handle;
 835     UINT len, r;
 836
 837     TRACE("%p %s %s %s\n", db, debugstr_w(table),
 838           debugstr_w(folder), debugstr_w(file) );
 839
 840     if( folder == NULL || file == NULL )
 841         return ERROR_INVALID_PARAMETER;
 842
 843     len = lstrlenW(folder) + lstrlenW(file) + 2;
 844     filename = msi_alloc(len * sizeof (WCHAR));
 845     if (!filename)
 846         return ERROR_OUTOFMEMORY;
 847
 848     lstrcpyW( filename, folder );
 849     lstrcatW( filename, szbs );
 850     lstrcatW( filename, file );
 851
 852     handle = CreateFileW( filename, GENERIC_READ | GENERIC_WRITE, 0,
 853                           NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
 854     msi_free( filename );
 855     if (handle == INVALID_HANDLE_VALUE)
 856         return ERROR_FUNCTION_FAILED;
 857
 858     if (!lstrcmpW( table, forcecodepage ))
 859     {
 860         r = msi_export_forcecodepage( handle );
 861         goto done;
 862     }
 863
 864     r = MSI_OpenQuery( db, &view, query, table );
 865     if (r == ERROR_SUCCESS)
 866     {
 867         /* write out row 1, the column names */
 868         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &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 2, the column types */
 876         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_TYPES, &rec);
 877         if (r == ERROR_SUCCESS)
 878         {
 879             msi_export_record( handle, rec, 1 );
 880             msiobj_release( &rec->hdr );
 881         }
 882
 883         /* write out row 3, the table name + keys */
 884         r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
 885         if (r == ERROR_SUCCESS)
 886         {
 887             MSI_RecordSetStringW( rec, 0, table );
 888             msi_export_record( handle, rec, 0 );
 889             msiobj_release( &rec->hdr );
 890         }
 891
 892         /* write out row 4 onwards, the data */
 893         r = MSI_IterateRecords( view, 0, msi_export_row, handle );
 894         msiobj_release( &view->hdr );
 895     }
 896
 897 done:
 898     CloseHandle( handle );
 899     return r;
 900 }
 901
 902 /***********************************************************************
 903  * MsiExportDatabaseW        [MSI.@]
 904  *
 905  * Writes a file containing the table data as tab separated ASCII.
 906  *
 907  * The format is as follows:
 908  *
 909  * row1 : colname1 <tab> colname2 <tab> .... colnameN <cr> <lf>
 910  * row2 : coltype1 <tab> coltype2 <tab> .... coltypeN <cr> <lf>
 911  * row3 : tablename <tab> key1 <tab> key2 <tab> ... keyM <cr> <lf>
 912  *
 913  * Followed by the data, starting at row 1 with one row per line
 914  *
 915  * row4 : data <tab> data <tab> data <tab> ... data <cr> <lf>
 916  */
 917 UINT WINAPI MsiDatabaseExportW( MSIHANDLE handle, LPCWSTR szTable,
 918                LPCWSTR szFolder, LPCWSTR szFilename )
 919 {
 920     MSIDATABASE *db;
 921     UINT r;
 922
 923     TRACE("%lx %s %s %s\n", handle, debugstr_w(szTable),
 924           debugstr_w(szFolder), debugstr_w(szFilename));
 925
 926     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 927     if( !db )
 928     {
 929         IWineMsiRemoteDatabase *remote_database;
 930
 931         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 932         if ( !remote_database )
 933             return ERROR_INVALID_HANDLE;
 934
 935         IWineMsiRemoteDatabase_Release( remote_database );
 936         WARN("MsiDatabaseExport not allowed during a custom action!\n");
 937
 938         return ERROR_SUCCESS;
 939     }
 940
 941     r = MSI_DatabaseExport( db, szTable, szFolder, szFilename );
 942     msiobj_release( &db->hdr );
 943     return r;
 944 }
 945
 946 UINT WINAPI MsiDatabaseExportA( MSIHANDLE handle, LPCSTR szTable,
 947                LPCSTR szFolder, LPCSTR szFilename )
 948 {
 949     LPWSTR path = NULL, file = NULL, table = NULL;
 950     UINT r = ERROR_OUTOFMEMORY;
 951
 952     TRACE("%lx %s %s %s\n", handle, debugstr_a(szTable),
 953           debugstr_a(szFolder), debugstr_a(szFilename));
 954
 955     if( szTable )
 956     {
 957         table = strdupAtoW( szTable );
 958         if( !table )
 959             goto end;
 960     }
 961
 962     if( szFolder )
 963     {
 964         path = strdupAtoW( szFolder );
 965         if( !path )
 966             goto end;
 967     }
 968
 969     if( szFilename )
 970     {
 971         file = strdupAtoW( szFilename );
 972         if( !file )
 973             goto end;
 974     }
 975
 976     r = MsiDatabaseExportW( handle, table, path, file );
 977
 978 end:
 979     msi_free( table );
 980     msi_free( path );
 981     msi_free( file );
 982
 983     return r;
 984 }
 985
 986 MSIDBSTATE WINAPI MsiGetDatabaseState( MSIHANDLE handle )
 987 {
 988     MSIDBSTATE ret = MSIDBSTATE_READ;
 989     MSIDATABASE *db;
 990
 991     TRACE("%ld\n", handle);
 992
 993     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 994     if( !db )
 995     {
 996         IWineMsiRemoteDatabase *remote_database;
 997
 998         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 999         if ( !remote_database )
1000             return MSIDBSTATE_ERROR;
1001
1002         IWineMsiRemoteDatabase_Release( remote_database );
1003         WARN("MsiGetDatabaseState not allowed during a custom action!\n");
1004
1005         return MSIDBSTATE_READ;
1006     }
1007
1008     if (db->mode != MSIDBOPEN_READONLY )
1009         ret = MSIDBSTATE_WRITE;
1010     msiobj_release( &db->hdr );
1011
1012     return ret;
1013 }
1014
1015 typedef struct _msi_remote_database_impl {
1016     const IWineMsiRemoteDatabaseVtbl *lpVtbl;
1017     MSIHANDLE database;
1018     LONG refs;
1019 } msi_remote_database_impl;
1020
1021 static inline msi_remote_database_impl* mrd_from_IWineMsiRemoteDatabase( IWineMsiRemoteDatabase* iface )
1022 {
1023     return (msi_remote_database_impl *)iface;
1024 }
1025
1026 static HRESULT WINAPI mrd_QueryInterface( IWineMsiRemoteDatabase *iface,
1027                                           REFIID riid,LPVOID *ppobj)
1028 {
1029     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1030         IsEqualCLSID( riid, &IID_IWineMsiRemoteDatabase ) )
1031     {
1032         IUnknown_AddRef( iface );
1033         *ppobj = iface;
1034         return S_OK;
1035     }
1036
1037     return E_NOINTERFACE;
1038 }
1039
1040 static ULONG WINAPI mrd_AddRef( IWineMsiRemoteDatabase *iface )
1041 {
1042     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1043
1044     return InterlockedIncrement( &This->refs );
1045 }
1046
1047 static ULONG WINAPI mrd_Release( IWineMsiRemoteDatabase *iface )
1048 {
1049     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1050     ULONG r;
1051
1052     r = InterlockedDecrement( &This->refs );
1053     if (r == 0)
1054     {
1055         MsiCloseHandle( This->database );
1056         msi_free( This );
1057     }
1058     return r;
1059 }
1060
1061 static HRESULT WINAPI mrd_IsTablePersistent( IWineMsiRemoteDatabase *iface,
1062                                              BSTR table, MSICONDITION *persistent )
1063 {
1064     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1065     *persistent = MsiDatabaseIsTablePersistentW(This->database, (LPWSTR)table);
1066     return S_OK;
1067 }
1068
1069 static HRESULT WINAPI mrd_GetPrimaryKeys( IWineMsiRemoteDatabase *iface,
1070                                           BSTR table, MSIHANDLE *keys )
1071 {
1072     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1073     UINT r = MsiDatabaseGetPrimaryKeysW(This->database, (LPWSTR)table, keys);
1074     return HRESULT_FROM_WIN32(r);
1075 }
1076
1077 static HRESULT WINAPI mrd_GetSummaryInformation( IWineMsiRemoteDatabase *iface,
1078                                                 UINT updatecount, MSIHANDLE *suminfo )
1079 {
1080     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1081     UINT r = MsiGetSummaryInformationW(This->database, NULL, updatecount, suminfo);
1082     return HRESULT_FROM_WIN32(r);
1083 }
1084
1085 static HRESULT WINAPI mrd_OpenView( IWineMsiRemoteDatabase *iface,
1086                                     BSTR query, MSIHANDLE *view )
1087 {
1088     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1089     UINT r = MsiDatabaseOpenViewW(This->database, (LPWSTR)query, view);
1090     return HRESULT_FROM_WIN32(r);
1091 }
1092
1093 static HRESULT WINAPI mrd_SetMsiHandle( IWineMsiRemoteDatabase *iface, MSIHANDLE handle )
1094 {
1095     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1096     This->database = handle;
1097     return S_OK;
1098 }
1099
1100 static const IWineMsiRemoteDatabaseVtbl msi_remote_database_vtbl =
1101 {
1102     mrd_QueryInterface,
1103     mrd_AddRef,
1104     mrd_Release,
1105     mrd_IsTablePersistent,
1106     mrd_GetPrimaryKeys,
1107     mrd_GetSummaryInformation,
1108     mrd_OpenView,
1109     mrd_SetMsiHandle,
1110 };
1111
1112 HRESULT create_msi_remote_database( IUnknown *pOuter, LPVOID *ppObj )
1113 {
1114     msi_remote_database_impl *This;
1115
1116     This = msi_alloc( sizeof *This );
1117     if (!This)
1118         return E_OUTOFMEMORY;
1119
1120     This->lpVtbl = &msi_remote_database_vtbl;
1121     This->database = 0;
1122     This->refs = 1;
1123
1124     *ppObj = This;
1125
1126     return S_OK;
1127 }