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 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     save_path = szDBPath;
  94     szMode = szPersist;
  95     if( HIWORD( szPersist ) )
  96     {
  97         if (!CopyFileW( szDBPath, szPersist, FALSE ))
  98             return ERROR_OPEN_FAILED;
  99
 100         szDBPath = szPersist;
 101         szPersist = MSIDBOPEN_TRANSACT;
 102         created = TRUE;
 103     }
 104
 105     if( szPersist == MSIDBOPEN_READONLY )
 106     {
 107         r = StgOpenStorage( szDBPath, NULL,
 108               STGM_DIRECT|STGM_READ|STGM_SHARE_DENY_WRITE, NULL, 0, &stg);
 109     }
 110     else if( szPersist == MSIDBOPEN_CREATE || szPersist == MSIDBOPEN_CREATEDIRECT )
 111     {
 112         /* FIXME: MSIDBOPEN_CREATE should case STGM_TRANSACTED flag to be
 113          * used here: */
 114         r = StgCreateDocfile( szDBPath,
 115               STGM_CREATE|STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &stg);
 116         if( r == ERROR_SUCCESS )
 117         {
 118             IStorage_SetClass( stg, &CLSID_MsiDatabase );
 119             /* create the _Tables stream */
 120             r = write_stream_data(stg, szTables, NULL, 0, TRUE);
 121             if (!FAILED(r))
 122                 r = msi_init_string_table( stg );
 123         }
 124         created = TRUE;
 125     }
 126     else if( szPersist == MSIDBOPEN_TRANSACT )
 127     {
 128         /* FIXME: MSIDBOPEN_TRANSACT should case STGM_TRANSACTED flag to be
 129          * used here: */
 130         r = StgOpenStorage( szDBPath, NULL,
 131               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 132     }
 133     else if( szPersist == MSIDBOPEN_DIRECT )
 134     {
 135         r = StgOpenStorage( szDBPath, NULL,
 136               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 137     }
 138     else
 139     {
 140         ERR("unknown flag %p\n",szPersist);
 141         return ERROR_INVALID_PARAMETER;
 142     }
 143
 144     if( FAILED( r ) || !stg )
 145     {
 146         FIXME("open failed r = %08x for %s\n", r, debugstr_w(szDBPath));
 147         return ERROR_FUNCTION_FAILED;
 148     }
 149
 150     r = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
 151     if( FAILED( r ) )
 152     {
 153         FIXME("Failed to stat storage\n");
 154         goto end;
 155     }
 156
 157     if ( !IsEqualGUID( &stat.clsid, &CLSID_MsiDatabase ) &&
 158          !IsEqualGUID( &stat.clsid, &CLSID_MsiPatch ) )
 159     {
 160         ERR("storage GUID is not a MSI database GUID %s\n",
 161              debugstr_guid(&stat.clsid) );
 162         goto end;
 163     }
 164
 165     db = alloc_msiobject( MSIHANDLETYPE_DATABASE, sizeof (MSIDATABASE),
 166                               MSI_CloseDatabase );
 167     if( !db )
 168     {
 169         FIXME("Failed to allocate a handle\n");
 170         goto end;
 171     }
 172
 173     if (!strchrW( save_path, '\\' ))
 174     {
 175         GetCurrentDirectoryW( MAX_PATH, path );
 176         lstrcatW( path, backslash );
 177         lstrcatW( path, save_path );
 178     }
 179     else
 180         lstrcpyW( path, save_path );
 181
 182     db->path = strdupW( path );
 183
 184     if( TRACE_ON( msi ) )
 185         enum_stream_names( stg );
 186
 187     db->storage = stg;
 188     db->mode = szMode;
 189     if (created)
 190         db->deletefile = strdupW( szDBPath );
 191     else
 192         db->deletefile = NULL;
 193     list_init( &db->tables );
 194     list_init( &db->transforms );
 195
 196     db->strings = msi_load_string_table( stg, &db->bytes_per_strref );
 197     if( !db->strings )
 198         goto end;
 199
 200     msi_table_set_strref( db->bytes_per_strref );
 201     ret = ERROR_SUCCESS;
 202
 203     msiobj_addref( &db->hdr );
 204     IStorage_AddRef( stg );
 205     *pdb = db;
 206
 207 end:
 208     if( db )
 209         msiobj_release( &db->hdr );
 210     if( stg )
 211         IStorage_Release( stg );
 212
 213     return ret;
 214 }
 215
 216 UINT WINAPI MsiOpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIHANDLE *phDB)
 217 {
 218     MSIDATABASE *db;
 219     UINT ret;
 220
 221     TRACE("%s %s %p\n",debugstr_w(szDBPath),debugstr_w(szPersist), phDB);
 222
 223     ret = MSI_OpenDatabaseW( szDBPath, szPersist, &db );
 224     if( ret == ERROR_SUCCESS )
 225     {
 226         *phDB = alloc_msihandle( &db->hdr );
 227         if (! *phDB)
 228             ret = ERROR_NOT_ENOUGH_MEMORY;
 229         msiobj_release( &db->hdr );
 230     }
 231
 232     return ret;
 233 }
 234
 235 UINT WINAPI MsiOpenDatabaseA(LPCSTR szDBPath, LPCSTR szPersist, MSIHANDLE *phDB)
 236 {
 237     HRESULT r = ERROR_FUNCTION_FAILED;
 238     LPWSTR szwDBPath = NULL, szwPersist = NULL;
 239
 240     TRACE("%s %s %p\n", debugstr_a(szDBPath), debugstr_a(szPersist), phDB);
 241
 242     if( szDBPath )
 243     {
 244         szwDBPath = strdupAtoW( szDBPath );
 245         if( !szwDBPath )
 246             goto end;
 247     }
 248
 249     if( HIWORD(szPersist) )
 250     {
 251         szwPersist = strdupAtoW( szPersist );
 252         if( !szwPersist )
 253             goto end;
 254     }
 255     else
 256         szwPersist = (LPWSTR)(DWORD_PTR)szPersist;
 257
 258     r = MsiOpenDatabaseW( szwDBPath, szwPersist, phDB );
 259
 260 end:
 261     if( HIWORD(szPersist) )
 262         msi_free( szwPersist );
 263     msi_free( szwDBPath );
 264
 265     return r;
 266 }
 267
 268 static LPWSTR msi_read_text_archive(LPCWSTR path)
 269 {
 270     HANDLE file;
 271     LPSTR data = NULL;
 272     LPWSTR wdata = NULL;
 273     DWORD read, size = 0;
 274
 275     file = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
 276     if (file == INVALID_HANDLE_VALUE)
 277         return NULL;
 278
 279     size = GetFileSize( file, NULL );
 280     data = msi_alloc( size + 1 );
 281     if (!data)
 282         goto done;
 283
 284     if (!ReadFile( file, data, size, &read, NULL ))
 285         goto done;
 286
 287     data[size] = '\0';
 288     wdata = strdupAtoW( data );
 289
 290 done:
 291     CloseHandle( file );
 292     msi_free( data );
 293     return wdata;
 294 }
 295
 296 static void msi_parse_line(LPWSTR *line, LPWSTR **entries, DWORD *num_entries)
 297 {
 298     LPWSTR ptr = *line, save;
 299     DWORD i, count = 1;
 300
 301     *entries = NULL;
 302
 303     /* stay on this line */
 304     while (*ptr && *ptr != '\n')
 305     {
 306         /* entries are separated by tabs */
 307         if (*ptr == '\t')
 308             count++;
 309
 310         ptr++;
 311     }
 312
 313     *entries = msi_alloc(count * sizeof(LPWSTR));
 314     if (!*entries)
 315         return;
 316
 317     /* store pointers into the data */
 318     for (i = 0, ptr = *line; i < count; i++)
 319     {
 320         while (*ptr && *ptr == '\r') ptr++;
 321         save = ptr;
 322
 323         while (*ptr && *ptr != '\t' && *ptr != '\n' && *ptr != '\r') ptr++;
 324
 325         /* NULL-separate the data */
 326         if (*ptr == '\n' || *ptr == '\r')
 327         {
 328             while (*ptr == '\n' || *ptr == '\r')
 329                 *(ptr++) = '\0';
 330         }
 331         else if (*ptr)
 332             *ptr++ = '\0';
 333
 334         (*entries)[i] = save;
 335     }
 336
 337     /* move to the next line if there's more, else EOF */
 338     *line = ptr;
 339
 340     if (num_entries)
 341         *num_entries = count;
 342 }
 343
 344 static LPWSTR msi_build_createsql_prelude(LPWSTR table)
 345 {
 346     LPWSTR prelude;
 347     DWORD size;
 348
 349     static const WCHAR create_fmt[] = {'C','R','E','A','T','E',' ','T','A','B','L','E',' ','`','%','s','`',' ','(',' ',0};
 350
 351     size = sizeof(create_fmt)/sizeof(create_fmt[0]) + lstrlenW(table) - 2;
 352     prelude = msi_alloc(size * sizeof(WCHAR));
 353     if (!prelude)
 354         return NULL;
 355
 356     sprintfW(prelude, create_fmt, table);
 357     return prelude;
 358 }
 359
 360 static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
 361 {
 362     LPWSTR columns, p;
 363     LPCWSTR type;
 364     DWORD sql_size = 1, i, len;
 365     WCHAR expanded[128], *ptr;
 366     WCHAR size[10], comma[2], extra[30];
 367
 368     static const WCHAR column_fmt[] = {'`','%','s','`',' ','%','s','%','s','%','s','%','s',' ',0};
 369     static const WCHAR size_fmt[] = {'(','%','s',')',0};
 370     static const WCHAR type_char[] = {'C','H','A','R',0};
 371     static const WCHAR type_int[] = {'I','N','T',0};
 372     static const WCHAR type_long[] = {'L','O','N','G',0};
 373     static const WCHAR type_notnull[] = {' ','N','O','T',' ','N','U','L','L',0};
 374     static const WCHAR localizable[] = {' ','L','O','C','A','L','I','Z','A','B','L','E',0};
 375
 376     columns = msi_alloc_zero(sql_size * sizeof(WCHAR));
 377     if (!columns)
 378         return NULL;
 379
 380     for (i = 0; i < num_columns; i++)
 381     {
 382         type = NULL;
 383         comma[1] = size[0] = extra[0] = '\0';
 384
 385         if (i == num_columns - 1)
 386             comma[0] = '\0';
 387         else
 388             comma[0] = ',';
 389
 390         ptr = &types[i][1];
 391         len = atolW(ptr);
 392         extra[0] = '\0';
 393
 394         switch (types[i][0])
 395         {
 396             case 'l':
 397                 lstrcpyW(extra, type_notnull);
 398             case 'L':
 399                 lstrcatW(extra, localizable);
 400                 type = type_char;
 401                 sprintfW(size, size_fmt, ptr);
 402                 break;
 403             case 's':
 404                 lstrcpyW(extra, type_notnull);
 405             case 'S':
 406                 type = type_char;
 407                 sprintfW(size, size_fmt, ptr);
 408                 break;
 409             case 'i':
 410                 lstrcpyW(extra, type_notnull);
 411             case 'I':
 412                 if (len == 2)
 413                     type = type_int;
 414                 else
 415                     type = type_long;
 416                 break;
 417             default:
 418                 ERR("Unknown type: %c\n", types[i][0]);
 419                 msi_free(columns);
 420                 return NULL;
 421         }
 422
 423         sprintfW(expanded, column_fmt, columns_data[i], type, size, extra, comma);
 424         sql_size += lstrlenW(expanded);
 425
 426         p = msi_realloc(columns, sql_size * sizeof(WCHAR));
 427         if (!p)
 428         {
 429             msi_free(columns);
 430             return NULL;
 431         }
 432         columns = p;
 433
 434         lstrcatW(columns, expanded);
 435     }
 436
 437     return columns;
 438 }
 439
 440 static LPWSTR msi_build_createsql_postlude(LPWSTR *primary_keys, DWORD num_keys)
 441 {
 442     LPWSTR postlude, keys, ptr;
 443     DWORD size, key_size, i;
 444
 445     static const WCHAR key_fmt[] = {'`','%','s','`',',',' ',0};
 446     static const WCHAR postlude_fmt[] = {'P','R','I','M','A','R','Y',' ','K','E','Y',' ','%','s',')',0};
 447
 448     for (i = 0, size = 1; i < num_keys; i++)
 449         size += lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) - 2;
 450
 451     keys = msi_alloc(size * sizeof(WCHAR));
 452     if (!keys)
 453         return NULL;
 454
 455     for (i = 0, ptr = keys; i < num_keys; i++)
 456     {
 457         key_size = lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) -2;
 458         sprintfW(ptr, key_fmt, primary_keys[i]);
 459         ptr += key_size;
 460     }
 461
 462     /* remove final ', ' */
 463     *(ptr - 2) = '\0';
 464
 465     size = lstrlenW(postlude_fmt) + size - 1;
 466     postlude = msi_alloc(size * sizeof(WCHAR));
 467     if (!postlude)
 468         goto done;
 469
 470     sprintfW(postlude, postlude_fmt, keys);
 471
 472 done:
 473     msi_free(keys);
 474     return postlude;
 475 }
 476
 477 static UINT msi_add_table_to_db(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types, LPWSTR *labels, DWORD num_labels, DWORD num_columns)
 478 {
 479     UINT r;
 480     DWORD size;
 481     MSIQUERY *view;
 482     LPWSTR create_sql;
 483     LPWSTR prelude, columns_sql, postlude;
 484
 485     prelude = msi_build_createsql_prelude(labels[0]);
 486     columns_sql = msi_build_createsql_columns(columns, types, num_columns);
 487     postlude = msi_build_createsql_postlude(labels + 1, num_labels - 1); /* skip over table name */
 488
 489     if (!prelude || !columns_sql || !postlude)
 490         return ERROR_OUTOFMEMORY;
 491
 492     size = lstrlenW(prelude) + lstrlenW(columns_sql) + lstrlenW(postlude) + 1;
 493     create_sql = msi_alloc(size * sizeof(WCHAR));
 494     if (!create_sql)
 495         return ERROR_OUTOFMEMORY;
 496
 497     lstrcpyW(create_sql, prelude);
 498     lstrcatW(create_sql, columns_sql);
 499     lstrcatW(create_sql, postlude);
 500
 501     msi_free(prelude);
 502     msi_free(columns_sql);
 503     msi_free(postlude);
 504
 505     r = MSI_DatabaseOpenViewW( db, create_sql, &view );
 506     msi_free(create_sql);
 507
 508     if (r != ERROR_SUCCESS)
 509         return r;
 510
 511     r = MSI_ViewExecute(view, NULL);
 512     MSI_ViewClose(view);
 513     msiobj_release(&view->hdr);
 514
 515     return r;
 516 }
 517
 518 static UINT construct_record(DWORD num_columns, LPWSTR *types,
 519                              LPWSTR *data, MSIRECORD **rec)
 520 {
 521     UINT i;
 522
 523     *rec = MSI_CreateRecord(num_columns);
 524     if (!*rec)
 525         return ERROR_OUTOFMEMORY;
 526
 527     for (i = 0; i < num_columns; i++)
 528     {
 529         switch (types[i][0])
 530         {
 531             case 'L': case 'l': case 'S': case 's':
 532                 MSI_RecordSetStringW(*rec, i + 1, data[i]);
 533                 break;
 534             case 'I': case 'i':
 535                 if (*data[i])
 536                     MSI_RecordSetInteger(*rec, i + 1, atoiW(data[i]));
 537                 break;
 538             default:
 539                 ERR("Unhandled column type: %c\n", types[i][0]);
 540                 msiobj_release(&(*rec)->hdr);
 541                 return ERROR_FUNCTION_FAILED;
 542         }
 543     }
 544
 545     return ERROR_SUCCESS;
 546 }
 547
 548 static UINT msi_add_records_to_table(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types,
 549                                      LPWSTR *labels, LPWSTR **records,
 550                                      int num_columns, int num_records)
 551 {
 552     UINT r;
 553     DWORD i, size;
 554     MSIQUERY *view;
 555     MSIRECORD *rec;
 556     LPWSTR query;
 557
 558     static const WCHAR select[] = {
 559         'S','E','L','E','C','T',' ','*',' ',
 560         'F','R','O','M',' ','`','%','s','`',0
 561     };
 562
 563     size = lstrlenW(select) + lstrlenW(labels[0]) - 1;
 564     query = msi_alloc(size * sizeof(WCHAR));
 565     if (!query)
 566         return ERROR_OUTOFMEMORY;
 567
 568     sprintfW(query, select, labels[0]);
 569
 570     r = MSI_DatabaseOpenViewW(db, query, &view);
 571     msi_free(query);
 572     if (r != ERROR_SUCCESS)
 573         return r;
 574
 575     while (MSI_ViewFetch(view, &rec) != ERROR_NO_MORE_ITEMS)
 576     {
 577         r = MSI_ViewModify(view, MSIMODIFY_DELETE, rec);
 578         if (r != ERROR_SUCCESS)
 579             goto done;
 580     }
 581
 582     for (i = 0; i < num_records; i++)
 583     {
 584         r = construct_record(num_columns, types, records[i], &rec);
 585         if (r != ERROR_SUCCESS)
 586             goto done;
 587
 588         r = MSI_ViewModify(view, MSIMODIFY_INSERT, rec);
 589         if (r != ERROR_SUCCESS)
 590         {
 591             msiobj_release(&rec->hdr);
 592             goto done;
 593         }
 594
 595         msiobj_release(&rec->hdr);
 596     }
 597
 598 done:
 599     msiobj_release(&view->hdr);
 600     return r;
 601 }
 602
 603 UINT MSI_DatabaseImport(MSIDATABASE *db, LPCWSTR folder, LPCWSTR file)
 604 {
 605     UINT r;
 606     DWORD len, i;
 607     DWORD num_labels, num_types;
 608     DWORD num_columns, num_records = 0;
 609     LPWSTR *columns, *types, *labels;
 610     LPWSTR path, ptr, data;
 611     LPWSTR **records = NULL;
 612     LPWSTR **temp_records;
 613
 614     static const WCHAR backslash[] = {'\\',0};
 615
 616     TRACE("%p %s %s\n", db, debugstr_w(folder), debugstr_w(file) );
 617
 618     if( folder == NULL || file == NULL )
 619         return ERROR_INVALID_PARAMETER;
 620
 621     len = lstrlenW(folder) + lstrlenW(backslash) + lstrlenW(file) + 1;
 622     path = msi_alloc( len * sizeof(WCHAR) );
 623     if (!path)
 624         return ERROR_OUTOFMEMORY;
 625
 626     lstrcpyW( path, folder );
 627     lstrcatW( path, backslash );
 628     lstrcatW( path, file );
 629
 630     data = msi_read_text_archive( path );
 631
 632     ptr = data;
 633     msi_parse_line( &ptr, &columns, &num_columns );
 634     msi_parse_line( &ptr, &types, &num_types );
 635     msi_parse_line( &ptr, &labels, &num_labels );
 636
 637     if (num_columns != num_types)
 638     {
 639         r = ERROR_FUNCTION_FAILED;
 640         goto done;
 641     }
 642
 643     records = msi_alloc(sizeof(LPWSTR *));
 644     if (!records)
 645     {
 646         r = ERROR_OUTOFMEMORY;
 647         goto done;
 648     }
 649
 650     /* read in the table records */
 651     while (*ptr)
 652     {
 653         msi_parse_line( &ptr, &records[num_records], NULL );
 654
 655         num_records++;
 656         temp_records = msi_realloc(records, (num_records + 1) * sizeof(LPWSTR *));
 657         if (!temp_records)
 658         {
 659             r = ERROR_OUTOFMEMORY;
 660             goto done;
 661         }
 662         records = temp_records;
 663     }
 664
 665     if (!TABLE_Exists(db, labels[0]))
 666     {
 667         r = msi_add_table_to_db( db, columns, types, labels, num_labels, num_columns );
 668         if (r != ERROR_SUCCESS)
 669         {
 670             r = ERROR_FUNCTION_FAILED;
 671             goto done;
 672         }
 673     }
 674
 675     r = msi_add_records_to_table( db, columns, types, labels, records, num_columns, num_records );
 676
 677 done:
 678     msi_free(path);
 679     msi_free(data);
 680     msi_free(columns);
 681     msi_free(types);
 682     msi_free(labels);
 683
 684     for (i = 0; i < num_records; i++)
 685         msi_free(records[i]);
 686
 687     msi_free(records);
 688
 689     return r;
 690 }
 691
 692 UINT WINAPI MsiDatabaseImportW(MSIHANDLE handle, LPCWSTR szFolder, LPCWSTR szFilename)
 693 {
 694     MSIDATABASE *db;
 695     UINT r;
 696
 697     TRACE("%lx %s %s\n",handle,debugstr_w(szFolder), debugstr_w(szFilename));
 698
 699     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 700     if( !db )
 701     {
 702         IWineMsiRemoteDatabase *remote_database;
 703
 704         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 705         if ( !remote_database )
 706             return ERROR_INVALID_HANDLE;
 707
 708         IWineMsiRemoteDatabase_Release( remote_database );
 709         WARN("MsiDatabaseImport not allowed during a custom action!\n");
 710
 711         return ERROR_SUCCESS;
 712     }
 713
 714     r = MSI_DatabaseImport( db, szFolder, szFilename );
 715     msiobj_release( &db->hdr );
 716     return r;
 717 }
 718
 719 UINT WINAPI MsiDatabaseImportA( MSIHANDLE handle,
 720                LPCSTR szFolder, LPCSTR szFilename )
 721 {
 722     LPWSTR path = NULL, file = NULL;
 723     UINT r = ERROR_OUTOFMEMORY;
 724
 725     TRACE("%lx %s %s\n", handle, debugstr_a(szFolder), debugstr_a(szFilename));
 726
 727     if( szFolder )
 728     {
 729         path = strdupAtoW( szFolder );
 730         if( !path )
 731             goto end;
 732     }
 733
 734     if( szFilename )
 735     {
 736         file = strdupAtoW( szFilename );
 737         if( !file )
 738             goto end;
 739     }
 740
 741     r = MsiDatabaseImportW( handle, path, file );
 742
 743 end:
 744     msi_free( path );
 745     msi_free( file );
 746
 747     return r;
 748 }
 749
 750 static UINT msi_export_record( HANDLE handle, MSIRECORD *row, UINT start )
 751 {
 752     UINT i, count, len, r = ERROR_SUCCESS;
 753     const char *sep;
 754     char *buffer;
 755     DWORD sz;
 756
 757     len = 0x100;
 758     buffer = msi_alloc( len );
 759     if ( !buffer )
 760         return ERROR_OUTOFMEMORY;
 761
 762     count = MSI_RecordGetFieldCount( row );
 763     for ( i=start; i<=count; i++ )
 764     {
 765         sz = len;
 766         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 767         if (r == ERROR_MORE_DATA)
 768         {
 769             char *p = msi_realloc( buffer, sz + 1 );
 770             if (!p)
 771                 break;
 772             len = sz + 1;
 773             buffer = p;
 774         }
 775         sz = len;
 776         r = MSI_RecordGetStringA( row, i, buffer, &sz );
 777         if (r != ERROR_SUCCESS)
 778             break;
 779
 780         if (!WriteFile( handle, buffer, sz, &sz, NULL ))
 781         {
 782             r = ERROR_FUNCTION_FAILED;
 783             break;
 784         }
 785
 786         sep = (i < count) ? "\t" : "\r\n";
 787         if (!WriteFile( handle, sep, strlen(sep), &sz, NULL ))
 788         {
 789             r = ERROR_FUNCTION_FAILED;
 790             break;
 791         }
 792     }
 793     msi_free( buffer );
 794     return r;
 795 }
 796
 797 static UINT msi_export_row( MSIRECORD *row, void *arg )
 798 {
 799     return msi_export_record( arg, row, 1 );
 800 }
 801
 802 static UINT msi_export_forcecodepage( HANDLE handle )
 803 {
 804     DWORD sz;
 805
 806     static const char data[] = "\r\n\r\n0\t_ForceCodepage\r\n";
 807
 808     FIXME("Read the codepage from the strings table!\n");
 809
 810     sz = lstrlenA(data) + 1;
 811     if (!WriteFile(handle, data, sz, &sz, NULL))
 812         return ERROR_FUNCTION_FAILED;
 813
 814     return ERROR_SUCCESS;
 815 }
 816
 817 UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
 818                LPCWSTR folder, LPCWSTR file )
 819 {
 820     static const WCHAR query[] = {
 821         's','e','l','e','c','t',' ','*',' ','f','r','o','m',' ','%','s',0 };
 822     static const WCHAR szbs[] = { '\\', 0 };
 823     static const WCHAR forcecodepage[] = {
 824         '_','F','o','r','c','e','C','o','d','e','p','a','g','e',0 };
 825     MSIRECORD *rec = NULL;
 826     MSIQUERY *view = NULL;
 827     LPWSTR filename;
 828     HANDLE handle;
 829     UINT len, r;
 830
 831     TRACE("%p %s %s %s\n", db, debugstr_w(table),
 832           debugstr_w(folder), debugstr_w(file) );
 833
 834     if( folder == NULL || file == NULL )
 835         return ERROR_INVALID_PARAMETER;
 836
 837     len = lstrlenW(folder) + lstrlenW(file) + 2;
 838     filename = msi_alloc(len * sizeof (WCHAR));
 839     if (!filename)
 840         return ERROR_OUTOFMEMORY;
 841
 842     lstrcpyW( filename, folder );
 843     lstrcatW( filename, szbs );
 844     lstrcatW( filename, file );
 845
 846     handle = CreateFileW( filename, GENERIC_READ | GENERIC_WRITE, 0,
 847                           NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
 848     msi_free( filename );
 849     if (handle == INVALID_HANDLE_VALUE)
 850         return ERROR_FUNCTION_FAILED;
 851
 852     if (!lstrcmpW( table, forcecodepage ))
 853     {
 854         r = msi_export_forcecodepage( handle );
 855         goto done;
 856     }
 857
 858     r = MSI_OpenQuery( db, &view, query, table );
 859     if (r == ERROR_SUCCESS)
 860     {
 861         /* write out row 1, the column names */
 862         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &rec);
 863         if (r == ERROR_SUCCESS)
 864         {
 865             msi_export_record( handle, rec, 1 );
 866             msiobj_release( &rec->hdr );
 867         }
 868
 869         /* write out row 2, the column types */
 870         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_TYPES, &rec);
 871         if (r == ERROR_SUCCESS)
 872         {
 873             msi_export_record( handle, rec, 1 );
 874             msiobj_release( &rec->hdr );
 875         }
 876
 877         /* write out row 3, the table name + keys */
 878         r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
 879         if (r == ERROR_SUCCESS)
 880         {
 881             MSI_RecordSetStringW( rec, 0, table );
 882             msi_export_record( handle, rec, 0 );
 883             msiobj_release( &rec->hdr );
 884         }
 885
 886         /* write out row 4 onwards, the data */
 887         r = MSI_IterateRecords( view, 0, msi_export_row, handle );
 888         msiobj_release( &view->hdr );
 889     }
 890
 891 done:
 892     CloseHandle( handle );
 893     return r;
 894 }
 895
 896 /***********************************************************************
 897  * MsiExportDatabaseW        [MSI.@]
 898  *
 899  * Writes a file containing the table data as tab separated ASCII.
 900  *
 901  * The format is as follows:
 902  *
 903  * row1 : colname1 <tab> colname2 <tab> .... colnameN <cr> <lf>
 904  * row2 : coltype1 <tab> coltype2 <tab> .... coltypeN <cr> <lf>
 905  * row3 : tablename <tab> key1 <tab> key2 <tab> ... keyM <cr> <lf>
 906  *
 907  * Followed by the data, starting at row 1 with one row per line
 908  *
 909  * row4 : data <tab> data <tab> data <tab> ... data <cr> <lf>
 910  */
 911 UINT WINAPI MsiDatabaseExportW( MSIHANDLE handle, LPCWSTR szTable,
 912                LPCWSTR szFolder, LPCWSTR szFilename )
 913 {
 914     MSIDATABASE *db;
 915     UINT r;
 916
 917     TRACE("%lx %s %s %s\n", handle, debugstr_w(szTable),
 918           debugstr_w(szFolder), debugstr_w(szFilename));
 919
 920     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 921     if( !db )
 922     {
 923         IWineMsiRemoteDatabase *remote_database;
 924
 925         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 926         if ( !remote_database )
 927             return ERROR_INVALID_HANDLE;
 928
 929         IWineMsiRemoteDatabase_Release( remote_database );
 930         WARN("MsiDatabaseExport not allowed during a custom action!\n");
 931
 932         return ERROR_SUCCESS;
 933     }
 934
 935     r = MSI_DatabaseExport( db, szTable, szFolder, szFilename );
 936     msiobj_release( &db->hdr );
 937     return r;
 938 }
 939
 940 UINT WINAPI MsiDatabaseExportA( MSIHANDLE handle, LPCSTR szTable,
 941                LPCSTR szFolder, LPCSTR szFilename )
 942 {
 943     LPWSTR path = NULL, file = NULL, table = NULL;
 944     UINT r = ERROR_OUTOFMEMORY;
 945
 946     TRACE("%lx %s %s %s\n", handle, debugstr_a(szTable),
 947           debugstr_a(szFolder), debugstr_a(szFilename));
 948
 949     if( szTable )
 950     {
 951         table = strdupAtoW( szTable );
 952         if( !table )
 953             goto end;
 954     }
 955
 956     if( szFolder )
 957     {
 958         path = strdupAtoW( szFolder );
 959         if( !path )
 960             goto end;
 961     }
 962
 963     if( szFilename )
 964     {
 965         file = strdupAtoW( szFilename );
 966         if( !file )
 967             goto end;
 968     }
 969
 970     r = MsiDatabaseExportW( handle, table, path, file );
 971
 972 end:
 973     msi_free( table );
 974     msi_free( path );
 975     msi_free( file );
 976
 977     return r;
 978 }
 979
 980 MSIDBSTATE WINAPI MsiGetDatabaseState( MSIHANDLE handle )
 981 {
 982     MSIDBSTATE ret = MSIDBSTATE_READ;
 983     MSIDATABASE *db;
 984
 985     TRACE("%ld\n", handle);
 986
 987     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 988     if( !db )
 989     {
 990         IWineMsiRemoteDatabase *remote_database;
 991
 992         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 993         if ( !remote_database )
 994             return MSIDBSTATE_ERROR;
 995
 996         IWineMsiRemoteDatabase_Release( remote_database );
 997         WARN("MsiGetDatabaseState not allowed during a custom action!\n");
 998
 999         return MSIDBSTATE_READ;
1000     }
1001
1002     if (db->mode != MSIDBOPEN_READONLY )
1003         ret = MSIDBSTATE_WRITE;
1004     msiobj_release( &db->hdr );
1005
1006     return ret;
1007 }
1008
1009 typedef struct _msi_remote_database_impl {
1010     const IWineMsiRemoteDatabaseVtbl *lpVtbl;
1011     MSIHANDLE database;
1012     LONG refs;
1013 } msi_remote_database_impl;
1014
1015 static inline msi_remote_database_impl* mrd_from_IWineMsiRemoteDatabase( IWineMsiRemoteDatabase* iface )
1016 {
1017     return (msi_remote_database_impl *)iface;
1018 }
1019
1020 static HRESULT WINAPI mrd_QueryInterface( IWineMsiRemoteDatabase *iface,
1021                                           REFIID riid,LPVOID *ppobj)
1022 {
1023     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1024         IsEqualCLSID( riid, &IID_IWineMsiRemoteDatabase ) )
1025     {
1026         IUnknown_AddRef( iface );
1027         *ppobj = iface;
1028         return S_OK;
1029     }
1030
1031     return E_NOINTERFACE;
1032 }
1033
1034 static ULONG WINAPI mrd_AddRef( IWineMsiRemoteDatabase *iface )
1035 {
1036     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1037
1038     return InterlockedIncrement( &This->refs );
1039 }
1040
1041 static ULONG WINAPI mrd_Release( IWineMsiRemoteDatabase *iface )
1042 {
1043     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1044     ULONG r;
1045
1046     r = InterlockedDecrement( &This->refs );
1047     if (r == 0)
1048     {
1049         MsiCloseHandle( This->database );
1050         msi_free( This );
1051     }
1052     return r;
1053 }
1054
1055 static HRESULT WINAPI mrd_IsTablePersistent( IWineMsiRemoteDatabase *iface,
1056                                              BSTR table, MSICONDITION *persistent )
1057 {
1058     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1059     *persistent = MsiDatabaseIsTablePersistentW(This->database, (LPWSTR)table);
1060     return S_OK;
1061 }
1062
1063 static HRESULT WINAPI mrd_GetPrimaryKeys( IWineMsiRemoteDatabase *iface,
1064                                           BSTR table, MSIHANDLE *keys )
1065 {
1066     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1067     UINT r = MsiDatabaseGetPrimaryKeysW(This->database, (LPWSTR)table, keys);
1068     return HRESULT_FROM_WIN32(r);
1069 }
1070
1071 static HRESULT WINAPI mrd_GetSummaryInformation( IWineMsiRemoteDatabase *iface,
1072                                                 UINT updatecount, MSIHANDLE *suminfo )
1073 {
1074     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1075     UINT r = MsiGetSummaryInformationW(This->database, NULL, updatecount, suminfo);
1076     return HRESULT_FROM_WIN32(r);
1077 }
1078
1079 static HRESULT WINAPI mrd_OpenView( IWineMsiRemoteDatabase *iface,
1080                                     BSTR query, MSIHANDLE *view )
1081 {
1082     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
1083     UINT r = MsiDatabaseOpenViewW(This->database, (LPWSTR)query, view);
1084     return HRESULT_FROM_WIN32(r);
1085 }
1086
1087 static HRESULT WINAPI mrd_SetMsiHandle( IWineMsiRemoteDatabase *iface, MSIHANDLE handle )
1088 {
1089     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
1090     This->database = handle;
1091     return S_OK;
1092 }
1093
1094 static const IWineMsiRemoteDatabaseVtbl msi_remote_database_vtbl =
1095 {
1096     mrd_QueryInterface,
1097     mrd_AddRef,
1098     mrd_Release,
1099     mrd_IsTablePersistent,
1100     mrd_GetPrimaryKeys,
1101     mrd_GetSummaryInformation,
1102     mrd_OpenView,
1103     mrd_SetMsiHandle,
1104 };
1105
1106 HRESULT create_msi_remote_database( IUnknown *pOuter, LPVOID *ppObj )
1107 {
1108     msi_remote_database_impl *This;
1109
1110     This = msi_alloc( sizeof *This );
1111     if (!This)
1112         return E_OUTOFMEMORY;
1113
1114     This->lpVtbl = &msi_remote_database_vtbl;
1115     This->database = 0;
1116     This->refs = 1;
1117
1118     *ppObj = This;
1119
1120     return S_OK;
1121 }