dlls/msi/registry.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Mike McCormack for CodeWeavers
   5  * Copyright 2005 Aric Stewart for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25 #define NONAMELESSUNION
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winreg.h"
  30 #include "winnls.h"
  31 #include "shlwapi.h"
  32 #include "wine/debug.h"
  33 #include "msi.h"
  34 #include "msipriv.h"
  35 #include "wincrypt.h"
  36 #include "wine/unicode.h"
  37 #include "winver.h"
  38 #include "winuser.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  41
  42
  43 /*
  44  * This module will be all the helper functions for registry access by the
  45  * installer bits.
  46  */
  47 static const WCHAR szUserFeatures_fmt[] = {
  48 'S','o','f','t','w','a','r','e','\\',
  49 'M','i','c','r','o','s','o','f','t','\\',
  50 'I','n','s','t','a','l','l','e','r','\\',
  51 'F','e','a','t','u','r','e','s','\\',
  52 '%','s',0};
  53
  54 static const WCHAR szInstaller_Features[] = {
  55 'S','o','f','t','w','a','r','e','\\',
  56 'M','i','c','r','o','s','o','f','t','\\',
  57 'W','i','n','d','o','w','s','\\',
  58 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  59 'I','n','s','t','a','l','l','e','r','\\',
  60 'F','e','a','t','u','r','e','s',0 };
  61
  62 static const WCHAR szInstaller_Features_fmt[] = {
  63 'S','o','f','t','w','a','r','e','\\',
  64 'M','i','c','r','o','s','o','f','t','\\',
  65 'W','i','n','d','o','w','s','\\',
  66 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  67 'I','n','s','t','a','l','l','e','r','\\',
  68 'F','e','a','t','u','r','e','s','\\',
  69 '%','s',0};
  70
  71 static const WCHAR szInstaller_Components[] = {
  72 'S','o','f','t','w','a','r','e','\\',
  73 'M','i','c','r','o','s','o','f','t','\\',
  74 'W','i','n','d','o','w','s','\\',
  75 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  76 'I','n','s','t','a','l','l','e','r','\\',
  77 'C','o','m','p','o','n','e','n','t','s',0 };
  78
  79 static const WCHAR szInstaller_Components_fmt[] = {
  80 'S','o','f','t','w','a','r','e','\\',
  81 'M','i','c','r','o','s','o','f','t','\\',
  82 'W','i','n','d','o','w','s','\\',
  83 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  84 'I','n','s','t','a','l','l','e','r','\\',
  85 'C','o','m','p','o','n','e','n','t','s','\\',
  86 '%','s',0};
  87
  88 static const WCHAR szUser_Components_fmt[] = {
  89 'S','o','f','t','w','a','r','e','\\',
  90 'M','i','c','r','o','s','o','f','t','\\',
  91 'I','n','s','t','a','l','l','e','r','\\',
  92 'C','o','m','p','o','n','e','n','t','s','\\',
  93 '%','s',0};
  94
  95 static const WCHAR szUninstall_fmt[] = {
  96 'S','o','f','t','w','a','r','e','\\',
  97 'M','i','c','r','o','s','o','f','t','\\',
  98 'W','i','n','d','o','w','s','\\',
  99 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 100 'U','n','i','n','s','t','a','l','l','\\',
 101 '%','s',0 };
 102
 103 static const WCHAR szUserProduct_fmt[] = {
 104 'S','o','f','t','w','a','r','e','\\',
 105 'M','i','c','r','o','s','o','f','t','\\',
 106 'I','n','s','t','a','l','l','e','r','\\',
 107 'P','r','o','d','u','c','t','s','\\',
 108 '%','s',0};
 109
 110 static const WCHAR szInstaller_Products[] = {
 111 'S','o','f','t','w','a','r','e','\\',
 112 'M','i','c','r','o','s','o','f','t','\\',
 113 'W','i','n','d','o','w','s','\\',
 114 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 115 'I','n','s','t','a','l','l','e','r','\\',
 116 'P','r','o','d','u','c','t','s',0};
 117
 118 static const WCHAR szInstaller_Products_fmt[] = {
 119 'S','o','f','t','w','a','r','e','\\',
 120 'M','i','c','r','o','s','o','f','t','\\',
 121 'W','i','n','d','o','w','s','\\',
 122 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 123 'I','n','s','t','a','l','l','e','r','\\',
 124 'P','r','o','d','u','c','t','s','\\',
 125 '%','s',0};
 126
 127 static const WCHAR szInstaller_UpgradeCodes[] = {
 128 'S','o','f','t','w','a','r','e','\\',
 129 'M','i','c','r','o','s','o','f','t','\\',
 130 'W','i','n','d','o','w','s','\\',
 131 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 132 'I','n','s','t','a','l','l','e','r','\\',
 133 'U','p','g','r','a','d','e','C','o','d','e','s',0};
 134
 135 static const WCHAR szInstaller_UpgradeCodes_fmt[] = {
 136 'S','o','f','t','w','a','r','e','\\',
 137 'M','i','c','r','o','s','o','f','t','\\',
 138 'W','i','n','d','o','w','s','\\',
 139 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 140 'I','n','s','t','a','l','l','e','r','\\',
 141 'U','p','g','r','a','d','e','C','o','d','e','s','\\',
 142 '%','s',0};
 143
 144 static const WCHAR szInstaller_UserUpgradeCodes[] = {
 145 'S','o','f','t','w','a','r','e','\\',
 146 'M','i','c','r','o','s','o','f','t','\\',
 147 'I','n','s','t','a','l','l','e','r','\\',
 148 'U','p','g','r','a','d','e','C','o','d','e','s',0};
 149
 150 static const WCHAR szInstaller_UserUpgradeCodes_fmt[] = {
 151 'S','o','f','t','w','a','r','e','\\',
 152 'M','i','c','r','o','s','o','f','t','\\',
 153 'I','n','s','t','a','l','l','e','r','\\',
 154 'U','p','g','r','a','d','e','C','o','d','e','s','\\',
 155 '%','s',0};
 156
 157
 158 #define SQUISH_GUID_SIZE 33
 159
 160 BOOL unsquash_guid(LPCWSTR in, LPWSTR out)
 161 {
 162     DWORD i,n=0;
 163
 164     out[n++]='{';
 165     for(i=0; i<8; i++)
 166         out[n++] = in[7-i];
 167     out[n++]='-';
 168     for(i=0; i<4; i++)
 169         out[n++] = in[11-i];
 170     out[n++]='-';
 171     for(i=0; i<4; i++)
 172         out[n++] = in[15-i];
 173     out[n++]='-';
 174     for(i=0; i<2; i++)
 175     {
 176         out[n++] = in[17+i*2];
 177         out[n++] = in[16+i*2];
 178     }
 179     out[n++]='-';
 180     for( ; i<8; i++)
 181     {
 182         out[n++] = in[17+i*2];
 183         out[n++] = in[16+i*2];
 184     }
 185     out[n++]='}';
 186     out[n]=0;
 187     return TRUE;
 188 }
 189
 190 BOOL squash_guid(LPCWSTR in, LPWSTR out)
 191 {
 192     DWORD i,n=0;
 193
 194     if(in[n++] != '{')
 195         return FALSE;
 196     for(i=0; i<8; i++)
 197         out[7-i] = in[n++];
 198     if(in[n++] != '-')
 199         return FALSE;
 200     for(i=0; i<4; i++)
 201         out[11-i] = in[n++];
 202     if(in[n++] != '-')
 203         return FALSE;
 204     for(i=0; i<4; i++)
 205         out[15-i] = in[n++];
 206     if(in[n++] != '-')
 207         return FALSE;
 208     for(i=0; i<2; i++)
 209     {
 210         out[17+i*2] = in[n++];
 211         out[16+i*2] = in[n++];
 212     }
 213     if(in[n++] != '-')
 214         return FALSE;
 215     for( ; i<8; i++)
 216     {
 217         out[17+i*2] = in[n++];
 218         out[16+i*2] = in[n++];
 219     }
 220     out[32]=0;
 221     if(in[n++] != '}')
 222         return FALSE;
 223     if(in[n])
 224         return FALSE;
 225     return TRUE;
 226 }
 227
 228
 229 /* tables for encoding and decoding base85 */
 230 static const unsigned char table_dec85[0x80] = {
 231 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 232 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 233 0xff,0x00,0xff,0xff,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0xff,
 234 0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0xff,0xff,0xff,0x16,0xff,0x17,
 235 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
 236 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0xff,0x34,0x35,0x36,
 237 0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,
 238 0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xff,0x53,0x54,0xff,
 239 };
 240
 241 static const char table_enc85[] =
 242 "!$%&'()*+,-.0123456789=?@ABCDEFGHIJKLMNO"
 243 "PQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwx"
 244 "yz{}~";
 245
 246 /*
 247  *  Converts a base85 encoded guid into a GUID pointer
 248  *  Base85 encoded GUIDs should be 20 characters long.
 249  *
 250  *  returns TRUE if successful, FALSE if not
 251  */
 252 BOOL decode_base85_guid( LPCWSTR str, GUID *guid )
 253 {
 254     DWORD i, val = 0, base = 1, *p;
 255
 256     if (!str)
 257         return FALSE;
 258
 259     p = (DWORD*) guid;
 260     for( i=0; i<20; i++ )
 261     {
 262         if( (i%5) == 0 )
 263         {
 264             val = 0;
 265             base = 1;
 266         }
 267         val += table_dec85[str[i]] * base;
 268         if( str[i] >= 0x80 )
 269             return FALSE;
 270         if( table_dec85[str[i]] == 0xff )
 271             return FALSE;
 272         if( (i%5) == 4 )
 273             p[i/5] = val;
 274         base *= 85;
 275     }
 276     return TRUE;
 277 }
 278
 279 /*
 280  *  Encodes a base85 guid given a GUID pointer
 281  *  Caller should provide a 21 character buffer for the encoded string.
 282  *
 283  *  returns TRUE if successful, FALSE if not
 284  */
 285 BOOL encode_base85_guid( GUID *guid, LPWSTR str )
 286 {
 287     unsigned int x, *p, i;
 288
 289     p = (unsigned int*) guid;
 290     for( i=0; i<4; i++ )
 291     {
 292         x = p[i];
 293         *str++ = table_enc85[x%85];
 294         x = x/85;
 295         *str++ = table_enc85[x%85];
 296         x = x/85;
 297         *str++ = table_enc85[x%85];
 298         x = x/85;
 299         *str++ = table_enc85[x%85];
 300         x = x/85;
 301         *str++ = table_enc85[x%85];
 302     }
 303     *str = 0;
 304
 305     return TRUE;
 306 }
 307
 308
 309 UINT MSIREG_OpenUninstallKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 310 {
 311     UINT rc;
 312     WCHAR keypath[0x200];
 313     TRACE("%s\n",debugstr_w(szProduct));
 314
 315     sprintfW(keypath,szUninstall_fmt,szProduct);
 316
 317     if (create)
 318         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 319     else
 320         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 321
 322     return rc;
 323 }
 324
 325 UINT MSIREG_OpenUserProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 326 {
 327     UINT rc;
 328     WCHAR squished_pc[GUID_SIZE];
 329     WCHAR keypath[0x200];
 330
 331     TRACE("%s\n",debugstr_w(szProduct));
 332     squash_guid(szProduct,squished_pc);
 333     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 334
 335     sprintfW(keypath,szUserProduct_fmt,squished_pc);
 336
 337     if (create)
 338         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 339     else
 340         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 341
 342     return rc;
 343 }
 344
 345 UINT MSIREG_OpenUserFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 346 {
 347     UINT rc;
 348     WCHAR squished_pc[GUID_SIZE];
 349     WCHAR keypath[0x200];
 350
 351     TRACE("%s\n",debugstr_w(szProduct));
 352     squash_guid(szProduct,squished_pc);
 353     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 354
 355     sprintfW(keypath,szUserFeatures_fmt,squished_pc);
 356
 357     if (create)
 358         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 359     else
 360         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 361
 362     return rc;
 363 }
 364
 365 UINT MSIREG_OpenFeatures(HKEY* key)
 366 {
 367     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Features,key);
 368 }
 369
 370 UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 371 {
 372     UINT rc;
 373     WCHAR squished_pc[GUID_SIZE];
 374     WCHAR keypath[0x200];
 375
 376     TRACE("%s\n",debugstr_w(szProduct));
 377     squash_guid(szProduct,squished_pc);
 378     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 379
 380     sprintfW(keypath,szInstaller_Features_fmt,squished_pc);
 381
 382     if (create)
 383         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 384     else
 385         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 386
 387     return rc;
 388 }
 389
 390 UINT MSIREG_OpenComponents(HKEY* key)
 391 {
 392     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Components,key);
 393 }
 394
 395 UINT MSIREG_OpenComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 396 {
 397     UINT rc;
 398     WCHAR squished_cc[GUID_SIZE];
 399     WCHAR keypath[0x200];
 400
 401     TRACE("%s\n",debugstr_w(szComponent));
 402     squash_guid(szComponent,squished_cc);
 403     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 404
 405     sprintfW(keypath,szInstaller_Components_fmt,squished_cc);
 406
 407     if (create)
 408         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 409     else
 410         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 411
 412     return rc;
 413 }
 414
 415 UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 416 {
 417     UINT rc;
 418     WCHAR squished_cc[GUID_SIZE];
 419     WCHAR keypath[0x200];
 420
 421     TRACE("%s\n",debugstr_w(szComponent));
 422     squash_guid(szComponent,squished_cc);
 423     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 424
 425     sprintfW(keypath,szUser_Components_fmt,squished_cc);
 426
 427     if (create)
 428         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 429     else
 430         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 431
 432     return rc;
 433 }
 434
 435 UINT MSIREG_OpenProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 436 {
 437     UINT rc;
 438     WCHAR squished_pc[GUID_SIZE];
 439     WCHAR keypath[0x200];
 440
 441     TRACE("%s\n",debugstr_w(szProduct));
 442     squash_guid(szProduct,squished_pc);
 443     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 444
 445     sprintfW(keypath,szInstaller_Products_fmt,squished_pc);
 446
 447     if (create)
 448         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 449     else
 450         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 451
 452     return rc;
 453 }
 454
 455 UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 456 {
 457     UINT rc;
 458     WCHAR squished_pc[GUID_SIZE];
 459     WCHAR keypath[0x200];
 460
 461     TRACE("%s\n",debugstr_w(szUpgradeCode));
 462     squash_guid(szUpgradeCode,squished_pc);
 463     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 464
 465     sprintfW(keypath,szInstaller_UpgradeCodes_fmt,squished_pc);
 466
 467     if (create)
 468         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 469     else
 470         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 471
 472     return rc;
 473 }
 474
 475 UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 476 {
 477     UINT rc;
 478     WCHAR squished_pc[GUID_SIZE];
 479     WCHAR keypath[0x200];
 480
 481     TRACE("%s\n",debugstr_w(szUpgradeCode));
 482     squash_guid(szUpgradeCode,squished_pc);
 483     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 484
 485     sprintfW(keypath,szInstaller_UserUpgradeCodes_fmt,squished_pc);
 486
 487     if (create)
 488         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 489     else
 490         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 491
 492     return rc;
 493 }
 494
 495
 496 /*************************************************************************
 497  *  MsiDecomposeDescriptorW   [MSI.@]
 498  *
 499  * Decomposes an MSI descriptor into product, feature and component parts.
 500  * An MSI descriptor is a string of the form:
 501  *   [base 85 guid] [feature code] '>' [base 85 guid]
 502  *
 503  * PARAMS
 504  *   szDescriptor  [I]  the descriptor to decompose
 505  *   szProduct     [O]  buffer of MAX_FEATURE_CHARS+1 for the product guid
 506  *   szFeature     [O]  buffer of MAX_FEATURE_CHARS+1 for the feature code
 507  *   szComponent   [O]  buffer of MAX_FEATURE_CHARS+1 for the component guid
 508  *   pUsed         [O]  the length of the descriptor
 509  *
 510  * RETURNS
 511  *   ERROR_SUCCESS             if everything worked correctly
 512  *   ERROR_INVALID_PARAMETER   if the descriptor was invalid
 513  *
 514  */
 515 UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR szDescriptor, LPWSTR szProduct,
 516                 LPWSTR szFeature, LPWSTR szComponent, DWORD *pUsed )
 517 {
 518     UINT r, len;
 519     LPWSTR p;
 520     GUID product, component;
 521
 522     TRACE("%s %p %p %p %p\n", debugstr_w(szDescriptor), szProduct,
 523           szFeature, szComponent, pUsed);
 524
 525     r = decode_base85_guid( szDescriptor, &product );
 526     if( !r )
 527         return ERROR_INVALID_PARAMETER;
 528
 529     TRACE("product %s\n", debugstr_guid( &product ));
 530
 531     p = strchrW(&szDescriptor[20],'>');
 532     if( !p )
 533         return ERROR_INVALID_PARAMETER;
 534
 535     len = (p - &szDescriptor[20]);
 536     if( len > MAX_FEATURE_CHARS )
 537         return ERROR_INVALID_PARAMETER;
 538     if (szFeature)
 539     {
 540         memcpy( szFeature, &szDescriptor[20], len*sizeof(WCHAR) );
 541         szFeature[len] = 0;
 542     }
 543
 544     TRACE("feature %s\n", debugstr_w( &szDescriptor[20] ));
 545
 546     r = decode_base85_guid( p+1, &component );
 547     if( !r )
 548         return ERROR_INVALID_PARAMETER;
 549
 550     TRACE("component %s\n", debugstr_guid( &component ));
 551
 552     if (szProduct)
 553         StringFromGUID2( &product, szProduct, MAX_FEATURE_CHARS+1 );
 554     if (szComponent)
 555         StringFromGUID2( &component, szComponent, MAX_FEATURE_CHARS+1 );
 556     len = ( &p[21] - szDescriptor );
 557
 558     TRACE("length = %d\n", len);
 559     *pUsed = len;
 560
 561     return ERROR_SUCCESS;
 562 }
 563
 564 UINT WINAPI MsiDecomposeDescriptorA( LPCSTR szDescriptor, LPSTR szProduct,
 565                 LPSTR szFeature, LPSTR szComponent, DWORD *pUsed )
 566 {
 567     WCHAR product[MAX_FEATURE_CHARS+1];
 568     WCHAR feature[MAX_FEATURE_CHARS+1];
 569     WCHAR component[MAX_FEATURE_CHARS+1];
 570     LPWSTR str = NULL, p = NULL, f = NULL, c = NULL;
 571     UINT r;
 572
 573     TRACE("%s %p %p %p %p\n", debugstr_a(szDescriptor), szProduct,
 574           szFeature, szComponent, pUsed);
 575
 576     str = strdupAtoW( szDescriptor );
 577     if( szDescriptor && !str )
 578         return ERROR_OUTOFMEMORY;
 579
 580     if (szProduct)
 581         p = product;
 582     if (szFeature)
 583         f = feature;
 584     if (szComponent)
 585         c = component;
 586
 587     r = MsiDecomposeDescriptorW( str, p, f, c, pUsed );
 588
 589     WideCharToMultiByte( CP_ACP, 0, p, MAX_FEATURE_CHARS+1,
 590                          szProduct, MAX_FEATURE_CHARS+1, NULL, NULL );
 591     WideCharToMultiByte( CP_ACP, 0, f, MAX_FEATURE_CHARS+1,
 592                          szFeature, MAX_FEATURE_CHARS+1, NULL, NULL );
 593     WideCharToMultiByte( CP_ACP, 0, c, MAX_FEATURE_CHARS+1,
 594                          szComponent, MAX_FEATURE_CHARS+1, NULL, NULL );
 595
 596     msi_free( str );
 597
 598     return r;
 599 }
 600
 601 UINT WINAPI MsiEnumProductsA(DWORD index, LPSTR lpguid)
 602 {
 603     DWORD r;
 604     WCHAR szwGuid[GUID_SIZE];
 605
 606     TRACE("%ld %p\n",index,lpguid);
 607
 608     if (NULL == lpguid)
 609         return ERROR_INVALID_PARAMETER;
 610     r = MsiEnumProductsW(index, szwGuid);
 611     if( r == ERROR_SUCCESS )
 612         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
 613
 614     return r;
 615 }
 616
 617 UINT WINAPI MsiEnumProductsW(DWORD index, LPWSTR lpguid)
 618 {
 619     HKEY hkeyFeatures = 0;
 620     DWORD r;
 621     WCHAR szKeyName[SQUISH_GUID_SIZE];
 622
 623     TRACE("%ld %p\n",index,lpguid);
 624
 625     if (NULL == lpguid)
 626         return ERROR_INVALID_PARAMETER;
 627
 628     r = MSIREG_OpenFeatures(&hkeyFeatures);
 629     if( r != ERROR_SUCCESS )
 630         return ERROR_NO_MORE_ITEMS;
 631
 632     r = RegEnumKeyW(hkeyFeatures, index, szKeyName, SQUISH_GUID_SIZE);
 633     if( r == ERROR_SUCCESS )
 634         unsquash_guid(szKeyName, lpguid);
 635     RegCloseKey(hkeyFeatures);
 636
 637     return r;
 638 }
 639
 640 UINT WINAPI MsiEnumFeaturesA(LPCSTR szProduct, DWORD index,
 641       LPSTR szFeature, LPSTR szParent)
 642 {
 643     DWORD r;
 644     WCHAR szwFeature[GUID_SIZE], szwParent[GUID_SIZE];
 645     LPWSTR szwProduct = NULL;
 646
 647     TRACE("%s %ld %p %p\n",debugstr_a(szProduct),index,szFeature,szParent);
 648
 649     if( szProduct )
 650     {
 651         szwProduct = strdupAtoW( szProduct );
 652         if( !szwProduct )
 653             return ERROR_OUTOFMEMORY;
 654     }
 655
 656     r = MsiEnumFeaturesW(szwProduct, index, szwFeature, szwParent);
 657     if( r == ERROR_SUCCESS )
 658     {
 659         WideCharToMultiByte(CP_ACP, 0, szwFeature, -1,
 660                             szFeature, GUID_SIZE, NULL, NULL);
 661         WideCharToMultiByte(CP_ACP, 0, szwParent, -1,
 662                             szParent, GUID_SIZE, NULL, NULL);
 663     }
 664
 665     msi_free( szwProduct);
 666
 667     return r;
 668 }
 669
 670 UINT WINAPI MsiEnumFeaturesW(LPCWSTR szProduct, DWORD index,
 671       LPWSTR szFeature, LPWSTR szParent)
 672 {
 673     HKEY hkeyProduct = 0;
 674     DWORD r, sz;
 675
 676     TRACE("%s %ld %p %p\n",debugstr_w(szProduct),index,szFeature,szParent);
 677
 678     if( !szProduct )
 679         return ERROR_INVALID_PARAMETER;
 680
 681     r = MSIREG_OpenFeaturesKey(szProduct,&hkeyProduct,FALSE);
 682     if( r != ERROR_SUCCESS )
 683         return ERROR_NO_MORE_ITEMS;
 684
 685     sz = GUID_SIZE;
 686     r = RegEnumValueW(hkeyProduct, index, szFeature, &sz, NULL, NULL, NULL, NULL);
 687     RegCloseKey(hkeyProduct);
 688
 689     return r;
 690 }
 691
 692 UINT WINAPI MsiEnumComponentsA(DWORD index, LPSTR lpguid)
 693 {
 694     DWORD r;
 695     WCHAR szwGuid[GUID_SIZE];
 696
 697     TRACE("%ld %p\n",index,lpguid);
 698
 699     r = MsiEnumComponentsW(index, szwGuid);
 700     if( r == ERROR_SUCCESS )
 701         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
 702
 703     return r;
 704 }
 705
 706 UINT WINAPI MsiEnumComponentsW(DWORD index, LPWSTR lpguid)
 707 {
 708     HKEY hkeyComponents = 0;
 709     DWORD r;
 710     WCHAR szKeyName[SQUISH_GUID_SIZE];
 711
 712     TRACE("%ld %p\n",index,lpguid);
 713
 714     r = MSIREG_OpenComponents(&hkeyComponents);
 715     if( r != ERROR_SUCCESS )
 716         return ERROR_NO_MORE_ITEMS;
 717
 718     r = RegEnumKeyW(hkeyComponents, index, szKeyName, SQUISH_GUID_SIZE);
 719     if( r == ERROR_SUCCESS )
 720         unsquash_guid(szKeyName, lpguid);
 721     RegCloseKey(hkeyComponents);
 722
 723     return r;
 724 }
 725
 726 UINT WINAPI MsiEnumClientsA(LPCSTR szComponent, DWORD index, LPSTR szProduct)
 727 {
 728     DWORD r;
 729     WCHAR szwProduct[GUID_SIZE];
 730     LPWSTR szwComponent = NULL;
 731
 732     TRACE("%s %ld %p\n",debugstr_a(szComponent),index,szProduct);
 733
 734     if( szComponent )
 735     {
 736         szwComponent = strdupAtoW( szComponent );
 737         if( !szwComponent )
 738             return ERROR_OUTOFMEMORY;
 739     }
 740
 741     r = MsiEnumClientsW(szComponent?szwComponent:NULL, index, szwProduct);
 742     if( r == ERROR_SUCCESS )
 743     {
 744         WideCharToMultiByte(CP_ACP, 0, szwProduct, -1,
 745                             szProduct, GUID_SIZE, NULL, NULL);
 746     }
 747
 748     msi_free( szwComponent);
 749
 750     return r;
 751 }
 752
 753 UINT WINAPI MsiEnumClientsW(LPCWSTR szComponent, DWORD index, LPWSTR szProduct)
 754 {
 755     HKEY hkeyComp = 0;
 756     DWORD r, sz;
 757     WCHAR szValName[SQUISH_GUID_SIZE];
 758
 759     TRACE("%s %ld %p\n",debugstr_w(szComponent),index,szProduct);
 760
 761     r = MSIREG_OpenComponentsKey(szComponent,&hkeyComp,FALSE);
 762     if( r != ERROR_SUCCESS )
 763         return ERROR_NO_MORE_ITEMS;
 764
 765     sz = SQUISH_GUID_SIZE;
 766     r = RegEnumValueW(hkeyComp, index, szValName, &sz, NULL, NULL, NULL, NULL);
 767     if( r == ERROR_SUCCESS )
 768         unsquash_guid(szValName, szProduct);
 769
 770     RegCloseKey(hkeyComp);
 771
 772     return r;
 773 }
 774
 775 UINT WINAPI MSI_EnumComponentQualifiers( LPCWSTR szComponent, DWORD iIndex,
 776                 awstring *lpQualBuf, DWORD* pcchQual,
 777                 awstring *lpAppBuf, DWORD* pcchAppBuf )
 778 {
 779     DWORD name_sz, val_sz, name_max, val_max, type, ofs;
 780     LPWSTR name = NULL, val = NULL;
 781     UINT r, r2;
 782     HKEY key;
 783
 784     TRACE("%s %08lx %p %p %p %p\n", debugstr_w(szComponent), iIndex,
 785           lpQualBuf, pcchQual, lpAppBuf, pcchAppBuf);
 786
 787     if (!szComponent)
 788         return ERROR_INVALID_PARAMETER;
 789
 790     r = MSIREG_OpenUserComponentsKey( szComponent, &key, FALSE );
 791     if (r != ERROR_SUCCESS)
 792         return ERROR_UNKNOWN_COMPONENT;
 793
 794     /* figure out how big the name is we want to return */
 795     name_max = 0x10;
 796     r = ERROR_OUTOFMEMORY;
 797     name = msi_alloc( name_max * sizeof(WCHAR) );
 798     if (!name)
 799         goto end;
 800
 801     val_max = 0x10;
 802     r = ERROR_OUTOFMEMORY;
 803     val = msi_alloc( val_max );
 804     if (!val)
 805         goto end;
 806
 807     /* loop until we allocate enough memory */
 808     while (1)
 809     {
 810         name_sz = name_max;
 811         val_sz = val_max;
 812         r = RegEnumValueW( key, iIndex, name, &name_sz,
 813                            NULL, &type, (LPBYTE)val, &val_sz );
 814         if (r == ERROR_SUCCESS)
 815             break;
 816         if (r != ERROR_MORE_DATA)
 817             goto end;
 818
 819         if (type != REG_MULTI_SZ)
 820         {
 821             ERR("component data has wrong type (%ld)\n", type);
 822             goto end;
 823         }
 824
 825         r = ERROR_OUTOFMEMORY;
 826         if ((name_sz+1) >= name_max)
 827         {
 828             name_max *= 2;
 829             msi_free( name );
 830             name = msi_alloc( name_max * sizeof (WCHAR) );
 831             if (!name)
 832                 goto end;
 833             continue;
 834         }
 835         if (val_sz > val_max)
 836         {
 837             val_max = val_sz + sizeof (WCHAR);
 838             val = msi_alloc( val_max * sizeof (WCHAR) );
 839             if (!val)
 840                 goto end;
 841             continue;
 842         }
 843         ERR("should be enough data, but isn't %ld %ld\n", name_sz, val_sz );
 844         goto end;
 845     }
 846
 847     ofs = 0;
 848     r = MsiDecomposeDescriptorW( val, NULL, NULL, NULL, &ofs );
 849     if (r != ERROR_SUCCESS)
 850         goto end;
 851
 852     TRACE("Providing %s and %s\n", debugstr_w(name), debugstr_w(val+ofs));
 853
 854     r = msi_strcpy_to_awstring( name, lpQualBuf, pcchQual );
 855     r2 = msi_strcpy_to_awstring( val+ofs, lpAppBuf, pcchAppBuf );
 856
 857     if (r2 != ERROR_SUCCESS)
 858         r = r2;
 859
 860 end:
 861     msi_free(val);
 862     msi_free(name);
 863     RegCloseKey(key);
 864
 865     return r;
 866 }
 867
 868 /*************************************************************************
 869  *  MsiEnumComponentQualifiersA [MSI.@]
 870  */
 871 UINT WINAPI MsiEnumComponentQualifiersA( LPCSTR szComponent, DWORD iIndex,
 872                 LPSTR lpQualifierBuf, DWORD* pcchQualifierBuf,
 873                 LPSTR lpApplicationDataBuf, DWORD* pcchApplicationDataBuf )
 874 {
 875     awstring qual, appdata;
 876     LPWSTR comp;
 877     UINT r;
 878
 879     TRACE("%s %08lx %p %p %p %p\n", debugstr_a(szComponent), iIndex,
 880           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
 881           pcchApplicationDataBuf);
 882
 883     comp = strdupAtoW( szComponent );
 884     if (szComponent && !comp)
 885         return ERROR_OUTOFMEMORY;
 886
 887     qual.unicode = FALSE;
 888     qual.str.a = lpQualifierBuf;
 889
 890     appdata.unicode = FALSE;
 891     appdata.str.a = lpApplicationDataBuf;
 892
 893     r = MSI_EnumComponentQualifiers( comp, iIndex,
 894               &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
 895     msi_free( comp );
 896     return r;
 897 }
 898
 899 /*************************************************************************
 900  *  MsiEnumComponentQualifiersW [MSI.@]
 901  */
 902 UINT WINAPI MsiEnumComponentQualifiersW( LPCWSTR szComponent, DWORD iIndex,
 903                 LPWSTR lpQualifierBuf, DWORD* pcchQualifierBuf,
 904                 LPWSTR lpApplicationDataBuf, DWORD* pcchApplicationDataBuf )
 905 {
 906     awstring qual, appdata;
 907
 908     TRACE("%s %08lx %p %p %p %p\n", debugstr_w(szComponent), iIndex,
 909           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
 910           pcchApplicationDataBuf);
 911
 912     qual.unicode = TRUE;
 913     qual.str.w = lpQualifierBuf;
 914
 915     appdata.unicode = TRUE;
 916     appdata.str.w = lpApplicationDataBuf;
 917
 918     return MSI_EnumComponentQualifiers( szComponent, iIndex,
 919                  &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
 920 }
 921
 922 /*************************************************************************
 923  *  MsiEnumRelatedProductsW   [MSI.@]
 924  *
 925  */
 926 UINT WINAPI MsiEnumRelatedProductsW(LPCWSTR szUpgradeCode, DWORD dwReserved,
 927                                     DWORD iProductIndex, LPWSTR lpProductBuf)
 928 {
 929     UINT r;
 930     HKEY hkey;
 931     WCHAR szKeyName[SQUISH_GUID_SIZE];
 932
 933     TRACE("%s %lu %lu %p\n", debugstr_w(szUpgradeCode), dwReserved,
 934           iProductIndex, lpProductBuf);
 935
 936     if (NULL == szUpgradeCode)
 937         return ERROR_INVALID_PARAMETER;
 938     if (NULL == lpProductBuf)
 939         return ERROR_INVALID_PARAMETER;
 940
 941     r = MSIREG_OpenUpgradeCodesKey(szUpgradeCode, &hkey, FALSE);
 942     if (r != ERROR_SUCCESS)
 943         return ERROR_NO_MORE_ITEMS;
 944
 945     r = RegEnumKeyW(hkey, iProductIndex, szKeyName, SQUISH_GUID_SIZE);
 946     if( r == ERROR_SUCCESS )
 947         unsquash_guid(szKeyName, lpProductBuf);
 948     RegCloseKey(hkey);
 949
 950     return r;
 951 }
 952
 953 /*************************************************************************
 954  *  MsiEnumRelatedProductsA   [MSI.@]
 955  *
 956  */
 957 UINT WINAPI MsiEnumRelatedProductsA(LPCSTR szUpgradeCode, DWORD dwReserved,
 958                                     DWORD iProductIndex, LPSTR lpProductBuf)
 959 {
 960     LPWSTR szwUpgradeCode = NULL;
 961     WCHAR productW[GUID_SIZE];
 962     UINT r;
 963
 964     TRACE("%s %lu %lu %p\n", debugstr_a(szUpgradeCode), dwReserved,
 965           iProductIndex, lpProductBuf);
 966
 967     if (szUpgradeCode)
 968     {
 969         szwUpgradeCode = strdupAtoW( szUpgradeCode );
 970         if( !szwUpgradeCode )
 971             return ERROR_OUTOFMEMORY;
 972     }
 973
 974     r = MsiEnumRelatedProductsW( szwUpgradeCode, dwReserved,
 975                                  iProductIndex, productW );
 976     if (r == ERROR_SUCCESS)
 977     {
 978         WideCharToMultiByte( CP_ACP, 0, productW, GUID_SIZE,
 979                              lpProductBuf, GUID_SIZE, NULL, NULL );
 980     }
 981     msi_free( szwUpgradeCode);
 982     return r;
 983 }