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=1;
 193     GUID guid;
 194
 195     if (FAILED(CLSIDFromString((LPOLESTR)in, &guid)))
 196         return FALSE;
 197
 198     for(i=0; i<8; i++)
 199         out[7-i] = in[n++];
 200     n++;
 201     for(i=0; i<4; i++)
 202         out[11-i] = in[n++];
 203     n++;
 204     for(i=0; i<4; i++)
 205         out[15-i] = in[n++];
 206     n++;
 207     for(i=0; i<2; i++)
 208     {
 209         out[17+i*2] = in[n++];
 210         out[16+i*2] = in[n++];
 211     }
 212     n++;
 213     for( ; i<8; i++)
 214     {
 215         out[17+i*2] = in[n++];
 216         out[16+i*2] = in[n++];
 217     }
 218     out[32]=0;
 219     return TRUE;
 220 }
 221
 222
 223 /* tables for encoding and decoding base85 */
 224 static const unsigned char table_dec85[0x80] = {
 225 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 226 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 227 0xff,0x00,0xff,0xff,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0xff,
 228 0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0xff,0xff,0xff,0x16,0xff,0x17,
 229 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
 230 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0xff,0x34,0x35,0x36,
 231 0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,
 232 0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xff,0x53,0x54,0xff,
 233 };
 234
 235 static const char table_enc85[] =
 236 "!$%&'()*+,-.0123456789=?@ABCDEFGHIJKLMNO"
 237 "PQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwx"
 238 "yz{}~";
 239
 240 /*
 241  *  Converts a base85 encoded guid into a GUID pointer
 242  *  Base85 encoded GUIDs should be 20 characters long.
 243  *
 244  *  returns TRUE if successful, FALSE if not
 245  */
 246 BOOL decode_base85_guid( LPCWSTR str, GUID *guid )
 247 {
 248     DWORD i, val = 0, base = 1, *p;
 249
 250     if (!str)
 251         return FALSE;
 252
 253     p = (DWORD*) guid;
 254     for( i=0; i<20; i++ )
 255     {
 256         if( (i%5) == 0 )
 257         {
 258             val = 0;
 259             base = 1;
 260         }
 261         val += table_dec85[str[i]] * base;
 262         if( str[i] >= 0x80 )
 263             return FALSE;
 264         if( table_dec85[str[i]] == 0xff )
 265             return FALSE;
 266         if( (i%5) == 4 )
 267             p[i/5] = val;
 268         base *= 85;
 269     }
 270     return TRUE;
 271 }
 272
 273 /*
 274  *  Encodes a base85 guid given a GUID pointer
 275  *  Caller should provide a 21 character buffer for the encoded string.
 276  *
 277  *  returns TRUE if successful, FALSE if not
 278  */
 279 BOOL encode_base85_guid( GUID *guid, LPWSTR str )
 280 {
 281     unsigned int x, *p, i;
 282
 283     p = (unsigned int*) guid;
 284     for( i=0; i<4; i++ )
 285     {
 286         x = p[i];
 287         *str++ = table_enc85[x%85];
 288         x = x/85;
 289         *str++ = table_enc85[x%85];
 290         x = x/85;
 291         *str++ = table_enc85[x%85];
 292         x = x/85;
 293         *str++ = table_enc85[x%85];
 294         x = x/85;
 295         *str++ = table_enc85[x%85];
 296     }
 297     *str = 0;
 298
 299     return TRUE;
 300 }
 301
 302 DWORD msi_version_str_to_dword(LPCWSTR p)
 303 {
 304     DWORD major, minor = 0, build = 0, version = 0;
 305
 306     if (!p)
 307         return version;
 308
 309     major = atoiW(p);
 310
 311     p = strchrW(p, '.');
 312     if (p)
 313     {
 314         minor = atoiW(p+1);
 315         p = strchrW(p+1, '.');
 316         if (p)
 317             build = atoiW(p+1);
 318     }
 319
 320     return MAKELONG(build, MAKEWORD(minor, major));
 321 }
 322
 323 LPWSTR msi_version_dword_to_str(DWORD version)
 324 {
 325     const WCHAR fmt[] = { '%','u','.','%','u','.','%','u',0 };
 326     LPWSTR str = msi_alloc(20);
 327     sprintfW(str, fmt,
 328              (version&0xff000000)>>24,
 329              (version&0x00ff0000)>>16,
 330               version&0x0000ffff);
 331     return str;
 332 }
 333
 334 LONG msi_reg_set_val_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
 335 {
 336     DWORD len = value ? (lstrlenW(value) + 1) * sizeof (WCHAR) : 0;
 337     return RegSetValueExW( hkey, name, 0, REG_SZ, (const BYTE *)value, len );
 338 }
 339
 340 LONG msi_reg_set_val_multi_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
 341 {
 342     LPCWSTR p = value;
 343     while (*p) p += lstrlenW(p) + 1;
 344     return RegSetValueExW( hkey, name, 0, REG_MULTI_SZ,
 345                            (const BYTE *)value, (p + 1 - value) * sizeof(WCHAR) );
 346 }
 347
 348 LONG msi_reg_set_val_dword( HKEY hkey, LPCWSTR name, DWORD val )
 349 {
 350     return RegSetValueExW( hkey, name, 0, REG_DWORD, (LPBYTE)&val, sizeof (DWORD) );
 351 }
 352
 353 LONG msi_reg_set_subkey_val( HKEY hkey, LPCWSTR path, LPCWSTR name, LPCWSTR val )
 354 {
 355     HKEY hsubkey = 0;
 356     LONG r;
 357
 358     r = RegCreateKeyW( hkey, path, &hsubkey );
 359     if (r != ERROR_SUCCESS)
 360         return r;
 361     r = msi_reg_set_val_str( hsubkey, name, val );
 362     RegCloseKey( hsubkey );
 363     return r;
 364 }
 365
 366 LPWSTR msi_reg_get_val_str( HKEY hkey, LPCWSTR name )
 367 {
 368     DWORD len = 0;
 369     LPWSTR val;
 370     LONG r;
 371
 372     r = RegQueryValueExW(hkey, name, NULL, NULL, NULL, &len);
 373     if (r != ERROR_SUCCESS)
 374         return NULL;
 375
 376     len += sizeof (WCHAR);
 377     val = msi_alloc( len );
 378     if (!val)
 379         return NULL;
 380     val[0] = 0;
 381     RegQueryValueExW(hkey, name, NULL, NULL, (LPBYTE) val, &len);
 382     return val;
 383 }
 384
 385 BOOL msi_reg_get_val_dword( HKEY hkey, LPCWSTR name, DWORD *val)
 386 {
 387     DWORD type, len = sizeof (DWORD);
 388     LONG r = RegQueryValueExW(hkey, name, NULL, &type, (LPBYTE) val, &len);
 389     return r == ERROR_SUCCESS && type == REG_DWORD;
 390 }
 391
 392 UINT MSIREG_OpenUninstallKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 393 {
 394     UINT rc;
 395     WCHAR keypath[0x200];
 396     TRACE("%s\n",debugstr_w(szProduct));
 397
 398     sprintfW(keypath,szUninstall_fmt,szProduct);
 399
 400     if (create)
 401         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 402     else
 403         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 404
 405     return rc;
 406 }
 407
 408 UINT MSIREG_OpenUserProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 409 {
 410     UINT rc;
 411     WCHAR squished_pc[GUID_SIZE];
 412     WCHAR keypath[0x200];
 413
 414     TRACE("%s\n",debugstr_w(szProduct));
 415     squash_guid(szProduct,squished_pc);
 416     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 417
 418     sprintfW(keypath,szUserProduct_fmt,squished_pc);
 419
 420     if (create)
 421         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 422     else
 423         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 424
 425     return rc;
 426 }
 427
 428 UINT MSIREG_OpenUserFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 429 {
 430     UINT rc;
 431     WCHAR squished_pc[GUID_SIZE];
 432     WCHAR keypath[0x200];
 433
 434     TRACE("%s\n",debugstr_w(szProduct));
 435     squash_guid(szProduct,squished_pc);
 436     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 437
 438     sprintfW(keypath,szUserFeatures_fmt,squished_pc);
 439
 440     if (create)
 441         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 442     else
 443         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 444
 445     return rc;
 446 }
 447
 448 UINT MSIREG_OpenFeatures(HKEY* key)
 449 {
 450     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Features,key);
 451 }
 452
 453 UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 454 {
 455     UINT rc;
 456     WCHAR squished_pc[GUID_SIZE];
 457     WCHAR keypath[0x200];
 458
 459     TRACE("%s\n",debugstr_w(szProduct));
 460     squash_guid(szProduct,squished_pc);
 461     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 462
 463     sprintfW(keypath,szInstaller_Features_fmt,squished_pc);
 464
 465     if (create)
 466         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 467     else
 468         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 469
 470     return rc;
 471 }
 472
 473 UINT MSIREG_OpenComponents(HKEY* key)
 474 {
 475     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Components,key);
 476 }
 477
 478 UINT MSIREG_OpenComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 479 {
 480     UINT rc;
 481     WCHAR squished_cc[GUID_SIZE];
 482     WCHAR keypath[0x200];
 483
 484     TRACE("%s\n",debugstr_w(szComponent));
 485     squash_guid(szComponent,squished_cc);
 486     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 487
 488     sprintfW(keypath,szInstaller_Components_fmt,squished_cc);
 489
 490     if (create)
 491         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 492     else
 493         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 494
 495     return rc;
 496 }
 497
 498 UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 499 {
 500     UINT rc;
 501     WCHAR squished_cc[GUID_SIZE];
 502     WCHAR keypath[0x200];
 503
 504     TRACE("%s\n",debugstr_w(szComponent));
 505     squash_guid(szComponent,squished_cc);
 506     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 507
 508     sprintfW(keypath,szUser_Components_fmt,squished_cc);
 509
 510     if (create)
 511         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 512     else
 513         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 514
 515     return rc;
 516 }
 517
 518 UINT MSIREG_OpenProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 519 {
 520     UINT rc;
 521     WCHAR squished_pc[GUID_SIZE];
 522     WCHAR keypath[0x200];
 523
 524     TRACE("%s\n",debugstr_w(szProduct));
 525     squash_guid(szProduct,squished_pc);
 526     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 527
 528     sprintfW(keypath,szInstaller_Products_fmt,squished_pc);
 529
 530     if (create)
 531         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 532     else
 533         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 534
 535     return rc;
 536 }
 537
 538 UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 539 {
 540     UINT rc;
 541     WCHAR squished_pc[GUID_SIZE];
 542     WCHAR keypath[0x200];
 543
 544     TRACE("%s\n",debugstr_w(szUpgradeCode));
 545     squash_guid(szUpgradeCode,squished_pc);
 546     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 547
 548     sprintfW(keypath,szInstaller_UpgradeCodes_fmt,squished_pc);
 549
 550     if (create)
 551         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 552     else
 553         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 554
 555     return rc;
 556 }
 557
 558 UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 559 {
 560     UINT rc;
 561     WCHAR squished_pc[GUID_SIZE];
 562     WCHAR keypath[0x200];
 563
 564     TRACE("%s\n",debugstr_w(szUpgradeCode));
 565     squash_guid(szUpgradeCode,squished_pc);
 566     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 567
 568     sprintfW(keypath,szInstaller_UserUpgradeCodes_fmt,squished_pc);
 569
 570     if (create)
 571         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 572     else
 573         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 574
 575     return rc;
 576 }
 577
 578
 579 /*************************************************************************
 580  *  MsiDecomposeDescriptorW   [MSI.@]
 581  *
 582  * Decomposes an MSI descriptor into product, feature and component parts.
 583  * An MSI descriptor is a string of the form:
 584  *   [base 85 guid] [feature code] '>' [base 85 guid]
 585  *
 586  * PARAMS
 587  *   szDescriptor  [I]  the descriptor to decompose
 588  *   szProduct     [O]  buffer of MAX_FEATURE_CHARS+1 for the product guid
 589  *   szFeature     [O]  buffer of MAX_FEATURE_CHARS+1 for the feature code
 590  *   szComponent   [O]  buffer of MAX_FEATURE_CHARS+1 for the component guid
 591  *   pUsed         [O]  the length of the descriptor
 592  *
 593  * RETURNS
 594  *   ERROR_SUCCESS             if everything worked correctly
 595  *   ERROR_INVALID_PARAMETER   if the descriptor was invalid
 596  *
 597  */
 598 UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR szDescriptor, LPWSTR szProduct,
 599                 LPWSTR szFeature, LPWSTR szComponent, DWORD *pUsed )
 600 {
 601     UINT r, len;
 602     LPWSTR p;
 603     GUID product, component;
 604
 605     TRACE("%s %p %p %p %p\n", debugstr_w(szDescriptor), szProduct,
 606           szFeature, szComponent, pUsed);
 607
 608     r = decode_base85_guid( szDescriptor, &product );
 609     if( !r )
 610         return ERROR_INVALID_PARAMETER;
 611
 612     TRACE("product %s\n", debugstr_guid( &product ));
 613
 614     p = strchrW(&szDescriptor[20],'>');
 615     if( !p )
 616         return ERROR_INVALID_PARAMETER;
 617
 618     len = (p - &szDescriptor[20]);
 619     if( len > MAX_FEATURE_CHARS )
 620         return ERROR_INVALID_PARAMETER;
 621     if (szFeature)
 622     {
 623         memcpy( szFeature, &szDescriptor[20], len*sizeof(WCHAR) );
 624         szFeature[len] = 0;
 625     }
 626
 627     TRACE("feature %s\n", debugstr_w( &szDescriptor[20] ));
 628
 629     r = decode_base85_guid( p+1, &component );
 630     if( !r )
 631         return ERROR_INVALID_PARAMETER;
 632
 633     TRACE("component %s\n", debugstr_guid( &component ));
 634
 635     if (szProduct)
 636         StringFromGUID2( &product, szProduct, MAX_FEATURE_CHARS+1 );
 637     if (szComponent)
 638         StringFromGUID2( &component, szComponent, MAX_FEATURE_CHARS+1 );
 639     len = ( &p[21] - szDescriptor );
 640
 641     TRACE("length = %d\n", len);
 642     *pUsed = len;
 643
 644     return ERROR_SUCCESS;
 645 }
 646
 647 UINT WINAPI MsiDecomposeDescriptorA( LPCSTR szDescriptor, LPSTR szProduct,
 648                 LPSTR szFeature, LPSTR szComponent, DWORD *pUsed )
 649 {
 650     WCHAR product[MAX_FEATURE_CHARS+1];
 651     WCHAR feature[MAX_FEATURE_CHARS+1];
 652     WCHAR component[MAX_FEATURE_CHARS+1];
 653     LPWSTR str = NULL, p = NULL, f = NULL, c = NULL;
 654     UINT r;
 655
 656     TRACE("%s %p %p %p %p\n", debugstr_a(szDescriptor), szProduct,
 657           szFeature, szComponent, pUsed);
 658
 659     str = strdupAtoW( szDescriptor );
 660     if( szDescriptor && !str )
 661         return ERROR_OUTOFMEMORY;
 662
 663     if (szProduct)
 664         p = product;
 665     if (szFeature)
 666         f = feature;
 667     if (szComponent)
 668         c = component;
 669
 670     r = MsiDecomposeDescriptorW( str, p, f, c, pUsed );
 671
 672     WideCharToMultiByte( CP_ACP, 0, p, MAX_FEATURE_CHARS+1,
 673                          szProduct, MAX_FEATURE_CHARS+1, NULL, NULL );
 674     WideCharToMultiByte( CP_ACP, 0, f, MAX_FEATURE_CHARS+1,
 675                          szFeature, MAX_FEATURE_CHARS+1, NULL, NULL );
 676     WideCharToMultiByte( CP_ACP, 0, c, MAX_FEATURE_CHARS+1,
 677                          szComponent, MAX_FEATURE_CHARS+1, NULL, NULL );
 678
 679     msi_free( str );
 680
 681     return r;
 682 }
 683
 684 UINT WINAPI MsiEnumProductsA(DWORD index, LPSTR lpguid)
 685 {
 686     DWORD r;
 687     WCHAR szwGuid[GUID_SIZE];
 688
 689     TRACE("%d %p\n", index, lpguid);
 690
 691     if (NULL == lpguid)
 692         return ERROR_INVALID_PARAMETER;
 693     r = MsiEnumProductsW(index, szwGuid);
 694     if( r == ERROR_SUCCESS )
 695         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
 696
 697     return r;
 698 }
 699
 700 UINT WINAPI MsiEnumProductsW(DWORD index, LPWSTR lpguid)
 701 {
 702     HKEY hkeyFeatures = 0;
 703     DWORD r;
 704     WCHAR szKeyName[SQUISH_GUID_SIZE];
 705
 706     TRACE("%d %p\n", index, lpguid);
 707
 708     if (NULL == lpguid)
 709         return ERROR_INVALID_PARAMETER;
 710
 711     r = MSIREG_OpenFeatures(&hkeyFeatures);
 712     if( r != ERROR_SUCCESS )
 713         return ERROR_NO_MORE_ITEMS;
 714
 715     r = RegEnumKeyW(hkeyFeatures, index, szKeyName, SQUISH_GUID_SIZE);
 716     if( r == ERROR_SUCCESS )
 717         unsquash_guid(szKeyName, lpguid);
 718     RegCloseKey(hkeyFeatures);
 719
 720     return r;
 721 }
 722
 723 UINT WINAPI MsiEnumFeaturesA(LPCSTR szProduct, DWORD index,
 724       LPSTR szFeature, LPSTR szParent)
 725 {
 726     DWORD r;
 727     WCHAR szwFeature[GUID_SIZE], szwParent[GUID_SIZE];
 728     LPWSTR szwProduct = NULL;
 729
 730     TRACE("%s %d %p %p\n", debugstr_a(szProduct), index, szFeature, szParent);
 731
 732     if( szProduct )
 733     {
 734         szwProduct = strdupAtoW( szProduct );
 735         if( !szwProduct )
 736             return ERROR_OUTOFMEMORY;
 737     }
 738
 739     r = MsiEnumFeaturesW(szwProduct, index, szwFeature, szwParent);
 740     if( r == ERROR_SUCCESS )
 741     {
 742         WideCharToMultiByte(CP_ACP, 0, szwFeature, -1,
 743                             szFeature, GUID_SIZE, NULL, NULL);
 744         WideCharToMultiByte(CP_ACP, 0, szwParent, -1,
 745                             szParent, GUID_SIZE, NULL, NULL);
 746     }
 747
 748     msi_free( szwProduct);
 749
 750     return r;
 751 }
 752
 753 UINT WINAPI MsiEnumFeaturesW(LPCWSTR szProduct, DWORD index,
 754       LPWSTR szFeature, LPWSTR szParent)
 755 {
 756     HKEY hkeyProduct = 0;
 757     DWORD r, sz;
 758
 759     TRACE("%s %d %p %p\n", debugstr_w(szProduct), index, szFeature, szParent);
 760
 761     if( !szProduct )
 762         return ERROR_INVALID_PARAMETER;
 763
 764     r = MSIREG_OpenFeaturesKey(szProduct,&hkeyProduct,FALSE);
 765     if( r != ERROR_SUCCESS )
 766         return ERROR_NO_MORE_ITEMS;
 767
 768     sz = GUID_SIZE;
 769     r = RegEnumValueW(hkeyProduct, index, szFeature, &sz, NULL, NULL, NULL, NULL);
 770     RegCloseKey(hkeyProduct);
 771
 772     return r;
 773 }
 774
 775 UINT WINAPI MsiEnumComponentsA(DWORD index, LPSTR lpguid)
 776 {
 777     DWORD r;
 778     WCHAR szwGuid[GUID_SIZE];
 779
 780     TRACE("%d %p\n", index, lpguid);
 781
 782     r = MsiEnumComponentsW(index, szwGuid);
 783     if( r == ERROR_SUCCESS )
 784         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
 785
 786     return r;
 787 }
 788
 789 UINT WINAPI MsiEnumComponentsW(DWORD index, LPWSTR lpguid)
 790 {
 791     HKEY hkeyComponents = 0;
 792     DWORD r;
 793     WCHAR szKeyName[SQUISH_GUID_SIZE];
 794
 795     TRACE("%d %p\n", index, lpguid);
 796
 797     r = MSIREG_OpenComponents(&hkeyComponents);
 798     if( r != ERROR_SUCCESS )
 799         return ERROR_NO_MORE_ITEMS;
 800
 801     r = RegEnumKeyW(hkeyComponents, index, szKeyName, SQUISH_GUID_SIZE);
 802     if( r == ERROR_SUCCESS )
 803         unsquash_guid(szKeyName, lpguid);
 804     RegCloseKey(hkeyComponents);
 805
 806     return r;
 807 }
 808
 809 UINT WINAPI MsiEnumClientsA(LPCSTR szComponent, DWORD index, LPSTR szProduct)
 810 {
 811     DWORD r;
 812     WCHAR szwProduct[GUID_SIZE];
 813     LPWSTR szwComponent = NULL;
 814
 815     TRACE("%s %d %p\n", debugstr_a(szComponent), index, szProduct);
 816
 817     if( szComponent )
 818     {
 819         szwComponent = strdupAtoW( szComponent );
 820         if( !szwComponent )
 821             return ERROR_OUTOFMEMORY;
 822     }
 823
 824     r = MsiEnumClientsW(szComponent?szwComponent:NULL, index, szwProduct);
 825     if( r == ERROR_SUCCESS )
 826     {
 827         WideCharToMultiByte(CP_ACP, 0, szwProduct, -1,
 828                             szProduct, GUID_SIZE, NULL, NULL);
 829     }
 830
 831     msi_free( szwComponent);
 832
 833     return r;
 834 }
 835
 836 UINT WINAPI MsiEnumClientsW(LPCWSTR szComponent, DWORD index, LPWSTR szProduct)
 837 {
 838     HKEY hkeyComp = 0;
 839     DWORD r, sz;
 840     WCHAR szValName[SQUISH_GUID_SIZE];
 841
 842     TRACE("%s %d %p\n", debugstr_w(szComponent), index, szProduct);
 843
 844     r = MSIREG_OpenComponentsKey(szComponent,&hkeyComp,FALSE);
 845     if( r != ERROR_SUCCESS )
 846         return ERROR_NO_MORE_ITEMS;
 847
 848     sz = SQUISH_GUID_SIZE;
 849     r = RegEnumValueW(hkeyComp, index, szValName, &sz, NULL, NULL, NULL, NULL);
 850     if( r == ERROR_SUCCESS )
 851         unsquash_guid(szValName, szProduct);
 852
 853     RegCloseKey(hkeyComp);
 854
 855     return r;
 856 }
 857
 858 static UINT WINAPI MSI_EnumComponentQualifiers( LPCWSTR szComponent, DWORD iIndex,
 859                 awstring *lpQualBuf, DWORD* pcchQual,
 860                 awstring *lpAppBuf, DWORD* pcchAppBuf )
 861 {
 862     DWORD name_sz, val_sz, name_max, val_max, type, ofs;
 863     LPWSTR name = NULL, val = NULL;
 864     UINT r, r2;
 865     HKEY key;
 866
 867     TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
 868           lpQualBuf, pcchQual, lpAppBuf, pcchAppBuf);
 869
 870     if (!szComponent)
 871         return ERROR_INVALID_PARAMETER;
 872
 873     r = MSIREG_OpenUserComponentsKey( szComponent, &key, FALSE );
 874     if (r != ERROR_SUCCESS)
 875         return ERROR_UNKNOWN_COMPONENT;
 876
 877     /* figure out how big the name is we want to return */
 878     name_max = 0x10;
 879     r = ERROR_OUTOFMEMORY;
 880     name = msi_alloc( name_max * sizeof(WCHAR) );
 881     if (!name)
 882         goto end;
 883
 884     val_max = 0x10;
 885     r = ERROR_OUTOFMEMORY;
 886     val = msi_alloc( val_max );
 887     if (!val)
 888         goto end;
 889
 890     /* loop until we allocate enough memory */
 891     while (1)
 892     {
 893         name_sz = name_max;
 894         val_sz = val_max;
 895         r = RegEnumValueW( key, iIndex, name, &name_sz,
 896                            NULL, &type, (LPBYTE)val, &val_sz );
 897         if (r == ERROR_SUCCESS)
 898             break;
 899         if (r != ERROR_MORE_DATA)
 900             goto end;
 901
 902         if (type != REG_MULTI_SZ)
 903         {
 904             ERR("component data has wrong type (%d)\n", type);
 905             goto end;
 906         }
 907
 908         r = ERROR_OUTOFMEMORY;
 909         if ((name_sz+1) >= name_max)
 910         {
 911             name_max *= 2;
 912             msi_free( name );
 913             name = msi_alloc( name_max * sizeof (WCHAR) );
 914             if (!name)
 915                 goto end;
 916             continue;
 917         }
 918         if (val_sz > val_max)
 919         {
 920             val_max = val_sz + sizeof (WCHAR);
 921             msi_free( val );
 922             val = msi_alloc( val_max * sizeof (WCHAR) );
 923             if (!val)
 924                 goto end;
 925             continue;
 926         }
 927         ERR("should be enough data, but isn't %d %d\n", name_sz, val_sz );
 928         goto end;
 929     }
 930
 931     ofs = 0;
 932     r = MsiDecomposeDescriptorW( val, NULL, NULL, NULL, &ofs );
 933     if (r != ERROR_SUCCESS)
 934         goto end;
 935
 936     TRACE("Providing %s and %s\n", debugstr_w(name), debugstr_w(val+ofs));
 937
 938     r = msi_strcpy_to_awstring( name, lpQualBuf, pcchQual );
 939     r2 = msi_strcpy_to_awstring( val+ofs, lpAppBuf, pcchAppBuf );
 940
 941     if (r2 != ERROR_SUCCESS)
 942         r = r2;
 943
 944 end:
 945     msi_free(val);
 946     msi_free(name);
 947     RegCloseKey(key);
 948
 949     return r;
 950 }
 951
 952 /*************************************************************************
 953  *  MsiEnumComponentQualifiersA [MSI.@]
 954  */
 955 UINT WINAPI MsiEnumComponentQualifiersA( LPCSTR szComponent, DWORD iIndex,
 956                 LPSTR lpQualifierBuf, DWORD* pcchQualifierBuf,
 957                 LPSTR lpApplicationDataBuf, DWORD* pcchApplicationDataBuf )
 958 {
 959     awstring qual, appdata;
 960     LPWSTR comp;
 961     UINT r;
 962
 963     TRACE("%s %08x %p %p %p %p\n", debugstr_a(szComponent), iIndex,
 964           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
 965           pcchApplicationDataBuf);
 966
 967     comp = strdupAtoW( szComponent );
 968     if (szComponent && !comp)
 969         return ERROR_OUTOFMEMORY;
 970
 971     qual.unicode = FALSE;
 972     qual.str.a = lpQualifierBuf;
 973
 974     appdata.unicode = FALSE;
 975     appdata.str.a = lpApplicationDataBuf;
 976
 977     r = MSI_EnumComponentQualifiers( comp, iIndex,
 978               &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
 979     msi_free( comp );
 980     return r;
 981 }
 982
 983 /*************************************************************************
 984  *  MsiEnumComponentQualifiersW [MSI.@]
 985  */
 986 UINT WINAPI MsiEnumComponentQualifiersW( LPCWSTR szComponent, DWORD iIndex,
 987                 LPWSTR lpQualifierBuf, DWORD* pcchQualifierBuf,
 988                 LPWSTR lpApplicationDataBuf, DWORD* pcchApplicationDataBuf )
 989 {
 990     awstring qual, appdata;
 991
 992     TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
 993           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
 994           pcchApplicationDataBuf);
 995
 996     qual.unicode = TRUE;
 997     qual.str.w = lpQualifierBuf;
 998
 999     appdata.unicode = TRUE;
1000     appdata.str.w = lpApplicationDataBuf;
1001
1002     return MSI_EnumComponentQualifiers( szComponent, iIndex,
1003                  &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
1004 }
1005
1006 /*************************************************************************
1007  *  MsiEnumRelatedProductsW   [MSI.@]
1008  *
1009  */
1010 UINT WINAPI MsiEnumRelatedProductsW(LPCWSTR szUpgradeCode, DWORD dwReserved,
1011                                     DWORD iProductIndex, LPWSTR lpProductBuf)
1012 {
1013     UINT r;
1014     HKEY hkey;
1015     WCHAR szKeyName[SQUISH_GUID_SIZE];
1016
1017     TRACE("%s %u %u %p\n", debugstr_w(szUpgradeCode), dwReserved,
1018           iProductIndex, lpProductBuf);
1019
1020     if (NULL == szUpgradeCode)
1021         return ERROR_INVALID_PARAMETER;
1022     if (NULL == lpProductBuf)
1023         return ERROR_INVALID_PARAMETER;
1024
1025     r = MSIREG_OpenUpgradeCodesKey(szUpgradeCode, &hkey, FALSE);
1026     if (r != ERROR_SUCCESS)
1027         return ERROR_NO_MORE_ITEMS;
1028
1029     r = RegEnumKeyW(hkey, iProductIndex, szKeyName, SQUISH_GUID_SIZE);
1030     if( r == ERROR_SUCCESS )
1031         unsquash_guid(szKeyName, lpProductBuf);
1032     RegCloseKey(hkey);
1033
1034     return r;
1035 }
1036
1037 /*************************************************************************
1038  *  MsiEnumRelatedProductsA   [MSI.@]
1039  *
1040  */
1041 UINT WINAPI MsiEnumRelatedProductsA(LPCSTR szUpgradeCode, DWORD dwReserved,
1042                                     DWORD iProductIndex, LPSTR lpProductBuf)
1043 {
1044     LPWSTR szwUpgradeCode = NULL;
1045     WCHAR productW[GUID_SIZE];
1046     UINT r;
1047
1048     TRACE("%s %u %u %p\n", debugstr_a(szUpgradeCode), dwReserved,
1049           iProductIndex, lpProductBuf);
1050
1051     if (szUpgradeCode)
1052     {
1053         szwUpgradeCode = strdupAtoW( szUpgradeCode );
1054         if( !szwUpgradeCode )
1055             return ERROR_OUTOFMEMORY;
1056     }
1057
1058     r = MsiEnumRelatedProductsW( szwUpgradeCode, dwReserved,
1059                                  iProductIndex, productW );
1060     if (r == ERROR_SUCCESS)
1061     {
1062         WideCharToMultiByte( CP_ACP, 0, productW, GUID_SIZE,
1063                              lpProductBuf, GUID_SIZE, NULL, NULL );
1064     }
1065     msi_free( szwUpgradeCode);
1066     return r;
1067 }
1068
1069 /***********************************************************************
1070  * MsiEnumPatchesA            [MSI.@]
1071  */
1072 UINT WINAPI MsiEnumPatchesA( LPCSTR szProduct, DWORD iPatchIndex,
1073         LPSTR lpPatchBuf, LPSTR lpTransformsBuf, DWORD* pcchTransformsBuf)
1074 {
1075     FIXME("%s %d %p %p %p\n", debugstr_a(szProduct),
1076           iPatchIndex, lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
1077     return ERROR_NO_MORE_ITEMS;
1078 }
1079
1080 /***********************************************************************
1081  * MsiEnumPatchesW            [MSI.@]
1082  */
1083 UINT WINAPI MsiEnumPatchesW( LPCWSTR szProduct, DWORD iPatchIndex,
1084         LPWSTR lpPatchBuf, LPWSTR lpTransformsBuf, DWORD* pcchTransformsBuf)
1085 {
1086     FIXME("%s %d %p %p %p\n", debugstr_w(szProduct),
1087           iPatchIndex, lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
1088     return ERROR_NO_MORE_ITEMS;
1089 }