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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "msi.h"
  32 #include "msiquery.h"
  33 #include "msipriv.h"
  34 #include "objidl.h"
  35 #include "objbase.h"
  36
  37 #include "initguid.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  40
  41 /*
  42  * The MSVC headers define the MSIDBOPEN_* macros cast to LPCTSTR,
  43  *  which is a problem because LPCTSTR isn't defined when compiling wine.
  44  * To work around this problem, we need to define LPCTSTR as LPCWSTR here,
  45  *  and make sure to only use it in W functions.
  46  */
  47 #define LPCTSTR LPCWSTR
  48
  49 DEFINE_GUID( CLSID_MsiDatabase, 0x000c1084, 0x0000, 0x0000,
  50              0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
  51 DEFINE_GUID( CLSID_MsiPatch, 0x000c1086, 0x0000, 0x0000,
  52              0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
  53
  54 /*
  55  *  .MSI  file format
  56  *
  57  *  An .msi file is a structured storage file.
  58  *  It contains a number of streams.
  59  *  A stream for each table in the database.
  60  *  Two streams for the string table in the database.
  61  *  Any binary data in a table is a reference to a stream.
  62  */
  63
  64 static VOID MSI_CloseDatabase( MSIOBJECTHDR *arg )
  65 {
  66     MSIDATABASE *db = (MSIDATABASE *) arg;
  67     DWORD r;
  68
  69     free_cached_tables( db );
  70     msi_free_transforms( db );
  71     msi_destroy_stringtable( db->strings );
  72     r = IStorage_Release( db->storage );
  73     if( r )
  74         ERR("database reference count was not zero (%ld)\n", r);
  75 }
  76
  77 UINT MSI_OpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIDATABASE **pdb)
  78 {
  79     IStorage *stg = NULL;
  80     HRESULT r;
  81     MSIDATABASE *db = NULL;
  82     UINT ret = ERROR_FUNCTION_FAILED;
  83     LPCWSTR szMode;
  84     STATSTG stat;
  85
  86     TRACE("%s %s\n",debugstr_w(szDBPath),debugstr_w(szPersist) );
  87
  88     if( !pdb )
  89         return ERROR_INVALID_PARAMETER;
  90
  91     szMode = szPersist;
  92     if( HIWORD( szPersist ) )
  93     {
  94         /* UINT len = lstrlenW( szPerist ) + 1; */
  95         FIXME("don't support persist files yet\b");
  96         return ERROR_INVALID_PARAMETER;
  97         /* szMode = msi_alloc( len * sizeof (DWORD) ); */
  98     }
  99     else if( szPersist == MSIDBOPEN_READONLY )
 100     {
 101         r = StgOpenStorage( szDBPath, NULL,
 102               STGM_DIRECT|STGM_READ|STGM_SHARE_DENY_WRITE, NULL, 0, &stg);
 103     }
 104     else if( szPersist == MSIDBOPEN_CREATE )
 105     {
 106         r = StgCreateDocfile( szDBPath,
 107               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &stg);
 108         if( r == ERROR_SUCCESS )
 109         {
 110             IStorage_SetClass( stg, &CLSID_MsiDatabase );
 111             r = init_string_table( stg );
 112         }
 113     }
 114     else if( szPersist == MSIDBOPEN_TRANSACT )
 115     {
 116         r = StgOpenStorage( szDBPath, NULL,
 117               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 118     }
 119     else
 120     {
 121         ERR("unknown flag %p\n",szPersist);
 122         return ERROR_INVALID_PARAMETER;
 123     }
 124
 125     if( FAILED( r ) )
 126     {
 127         FIXME("open failed r = %08lx!\n",r);
 128         return ERROR_FUNCTION_FAILED;
 129     }
 130
 131     r = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
 132     if( FAILED( r ) )
 133     {
 134         FIXME("Failed to stat storage\n");
 135         goto end;
 136     }
 137
 138     if ( !IsEqualGUID( &stat.clsid, &CLSID_MsiDatabase ) &&
 139          !IsEqualGUID( &stat.clsid, &CLSID_MsiPatch ) )
 140     {
 141         ERR("storage GUID is not a MSI database GUID %s\n",
 142              debugstr_guid(&stat.clsid) );
 143         goto end;
 144     }
 145
 146     db = alloc_msiobject( MSIHANDLETYPE_DATABASE, sizeof (MSIDATABASE),
 147                               MSI_CloseDatabase );
 148     if( !db )
 149     {
 150         FIXME("Failed to allocate a handle\n");
 151         goto end;
 152     }
 153
 154     if( TRACE_ON( msi ) )
 155         enum_stream_names( stg );
 156
 157     db->storage = stg;
 158     db->mode = szMode;
 159     list_init( &db->tables );
 160     list_init( &db->transforms );
 161
 162     db->strings = load_string_table( stg );
 163     if( !db->strings )
 164         goto end;
 165
 166     ret = ERROR_SUCCESS;
 167
 168     msiobj_addref( &db->hdr );
 169     IStorage_AddRef( stg );
 170     *pdb = db;
 171
 172 end:
 173     if( db )
 174         msiobj_release( &db->hdr );
 175     if( stg )
 176         IStorage_Release( stg );
 177
 178     return ret;
 179 }
 180
 181 UINT WINAPI MsiOpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIHANDLE *phDB)
 182 {
 183     MSIDATABASE *db;
 184     UINT ret;
 185
 186     TRACE("%s %s %p\n",debugstr_w(szDBPath),debugstr_w(szPersist), phDB);
 187
 188     ret = MSI_OpenDatabaseW( szDBPath, szPersist, &db );
 189     if( ret == ERROR_SUCCESS )
 190     {
 191         *phDB = alloc_msihandle( &db->hdr );
 192         msiobj_release( &db->hdr );
 193     }
 194
 195     return ret;
 196 }
 197
 198 UINT WINAPI MsiOpenDatabaseA(LPCSTR szDBPath, LPCSTR szPersist, MSIHANDLE *phDB)
 199 {
 200     HRESULT r = ERROR_FUNCTION_FAILED;
 201     LPWSTR szwDBPath = NULL, szwPersist = NULL;
 202
 203     TRACE("%s %s %p\n", debugstr_a(szDBPath), debugstr_a(szPersist), phDB);
 204
 205     if( szDBPath )
 206     {
 207         szwDBPath = strdupAtoW( szDBPath );
 208         if( !szwDBPath )
 209             goto end;
 210     }
 211
 212     if( HIWORD(szPersist) )
 213     {
 214         szwPersist = strdupAtoW( szPersist );
 215         if( !szwPersist )
 216             goto end;
 217     }
 218     else
 219         szwPersist = (LPWSTR)(DWORD)szPersist;
 220
 221     r = MsiOpenDatabaseW( szwDBPath, szwPersist, phDB );
 222
 223 end:
 224     if( HIWORD(szPersist) )
 225         msi_free( szwPersist );
 226     msi_free( szwDBPath );
 227
 228     return r;
 229 }
 230
 231 UINT MSI_DatabaseImport( MSIDATABASE *db, LPCWSTR folder, LPCWSTR file )
 232 {
 233     FIXME("%p %s %s\n", db, debugstr_w(folder), debugstr_w(file) );
 234
 235     if( folder == NULL || file == NULL )
 236         return ERROR_INVALID_PARAMETER;
 237
 238     return ERROR_CALL_NOT_IMPLEMENTED;
 239 }
 240
 241 UINT WINAPI MsiDatabaseImportW(MSIHANDLE handle, LPCWSTR szFolder, LPCWSTR szFilename)
 242 {
 243     MSIDATABASE *db;
 244     UINT r;
 245
 246     TRACE("%lx %s %s\n",handle,debugstr_w(szFolder), debugstr_w(szFilename));
 247
 248     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 249     if( !db )
 250         return ERROR_INVALID_HANDLE;
 251     r = MSI_DatabaseImport( db, szFolder, szFilename );
 252     msiobj_release( &db->hdr );
 253     return r;
 254 }
 255
 256 UINT WINAPI MsiDatabaseImportA( MSIHANDLE handle,
 257                LPCSTR szFolder, LPCSTR szFilename )
 258 {
 259     LPWSTR path = NULL, file = NULL;
 260     UINT r = ERROR_OUTOFMEMORY;
 261
 262     TRACE("%lx %s %s\n", handle, debugstr_a(szFolder), debugstr_a(szFilename));
 263
 264     if( szFolder )
 265     {
 266         path = strdupAtoW( szFolder );
 267         if( !path )
 268             goto end;
 269     }
 270
 271     if( szFilename )
 272     {
 273         file = strdupAtoW( szFilename );
 274         if( !file )
 275             goto end;
 276     }
 277
 278     r = MsiDatabaseImportW( handle, path, file );
 279
 280 end:
 281     msi_free( path );
 282     msi_free( file );
 283
 284     return r;
 285 }
 286
 287 UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
 288                LPCWSTR folder, LPCWSTR file )
 289 {
 290     FIXME("%p %s %s %s\n", db, debugstr_w(table),
 291           debugstr_w(folder), debugstr_w(file) );
 292
 293     if( folder == NULL || file == NULL )
 294         return ERROR_INVALID_PARAMETER;
 295
 296     return ERROR_CALL_NOT_IMPLEMENTED;
 297 }
 298
 299 UINT WINAPI MsiDatabaseExportW( MSIHANDLE handle, LPCWSTR szTable,
 300                LPCWSTR szFolder, LPCWSTR szFilename )
 301 {
 302     MSIDATABASE *db;
 303     UINT r;
 304
 305     TRACE("%lx %s %s %s\n", handle, debugstr_w(szTable),
 306           debugstr_w(szFolder), debugstr_w(szFilename));
 307
 308     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 309     if( !db )
 310         return ERROR_INVALID_HANDLE;
 311     r = MSI_DatabaseExport( db, szTable, szFolder, szFilename );
 312     msiobj_release( &db->hdr );
 313     return r;
 314 }
 315
 316 UINT WINAPI MsiDatabaseExportA( MSIHANDLE handle, LPCSTR szTable,
 317                LPCSTR szFolder, LPCSTR szFilename )
 318 {
 319     LPWSTR path = NULL, file = NULL, table = NULL;
 320     UINT r = ERROR_OUTOFMEMORY;
 321
 322     TRACE("%lx %s %s %s\n", handle, debugstr_a(szTable),
 323           debugstr_a(szFolder), debugstr_a(szFilename));
 324
 325     if( szTable )
 326     {
 327         table = strdupAtoW( szTable );
 328         if( !table )
 329             goto end;
 330     }
 331
 332     if( szFolder )
 333     {
 334         path = strdupAtoW( szFolder );
 335         if( !path )
 336             goto end;
 337     }
 338
 339     if( szFilename )
 340     {
 341         file = strdupAtoW( szFilename );
 342         if( !file )
 343             goto end;
 344     }
 345
 346     r = MsiDatabaseExportW( handle, table, path, file );
 347
 348 end:
 349     msi_free( table );
 350     msi_free( path );
 351     msi_free( file );
 352
 353     return r;
 354 }