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 #include "sddl.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  42
  43
  44 /*
  45  * This module will be all the helper functions for registry access by the
  46  * installer bits.
  47  */
  48 static const WCHAR szUserFeatures_fmt[] = {
  49 'S','o','f','t','w','a','r','e','\\',
  50 'M','i','c','r','o','s','o','f','t','\\',
  51 'I','n','s','t','a','l','l','e','r','\\',
  52 'F','e','a','t','u','r','e','s','\\',
  53 '%','s',0};
  54
  55 static const WCHAR szUserDataFeatures_fmt[] = {
  56 'S','o','f','t','w','a','r','e','\\',
  57 'M','i','c','r','o','s','o','f','t','\\',
  58 'W','i','n','d','o','w','s','\\',
  59 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  60 'I','n','s','t','a','l','l','e','r','\\',
  61 'U','s','e','r','D','a','t','a','\\',
  62 '%','s','\\','P','r','o','d','u','c','t','s','\\',
  63 '%','s','\\','F','e','a','t','u','r','e','s',0};
  64
  65 static const WCHAR szInstaller_Features_fmt[] = {
  66 'S','o','f','t','w','a','r','e','\\',
  67 'M','i','c','r','o','s','o','f','t','\\',
  68 'W','i','n','d','o','w','s','\\',
  69 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  70 'I','n','s','t','a','l','l','e','r','\\',
  71 'F','e','a','t','u','r','e','s','\\',
  72 '%','s',0};
  73
  74 static const WCHAR szInstaller_Components[] = {
  75 'S','o','f','t','w','a','r','e','\\',
  76 'M','i','c','r','o','s','o','f','t','\\',
  77 'W','i','n','d','o','w','s','\\',
  78 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  79 'I','n','s','t','a','l','l','e','r','\\',
  80 'C','o','m','p','o','n','e','n','t','s',0 };
  81
  82 static const WCHAR szUser_Components_fmt[] = {
  83 'S','o','f','t','w','a','r','e','\\',
  84 'M','i','c','r','o','s','o','f','t','\\',
  85 'I','n','s','t','a','l','l','e','r','\\',
  86 'C','o','m','p','o','n','e','n','t','s','\\',
  87 '%','s',0};
  88
  89 static const WCHAR szUserDataComp_fmt[] = {
  90 'S','o','f','t','w','a','r','e','\\',
  91 'M','i','c','r','o','s','o','f','t','\\',
  92 'W','i','n','d','o','w','s','\\',
  93 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  94 'I','n','s','t','a','l','l','e','r','\\',
  95 'U','s','e','r','D','a','t','a','\\',
  96 '%','s','\\','C','o','m','p','o','n','e','n','t','s','\\','%','s',0};
  97
  98 static const WCHAR szUninstall_fmt[] = {
  99 'S','o','f','t','w','a','r','e','\\',
 100 'M','i','c','r','o','s','o','f','t','\\',
 101 'W','i','n','d','o','w','s','\\',
 102 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 103 'U','n','i','n','s','t','a','l','l','\\',
 104 '%','s',0 };
 105
 106 static const WCHAR szUserProduct_fmt[] = {
 107 'S','o','f','t','w','a','r','e','\\',
 108 'M','i','c','r','o','s','o','f','t','\\',
 109 'I','n','s','t','a','l','l','e','r','\\',
 110 'P','r','o','d','u','c','t','s','\\',
 111 '%','s',0};
 112
 113 static const WCHAR szUserPatch_fmt[] = {
 114 'S','o','f','t','w','a','r','e','\\',
 115 'M','i','c','r','o','s','o','f','t','\\',
 116 'I','n','s','t','a','l','l','e','r','\\',
 117 'P','a','t','c','h','e','s','\\',
 118 '%','s',0};
 119
 120 static const WCHAR szInstaller_Products[] = {
 121 'S','o','f','t','w','a','r','e','\\',
 122 'M','i','c','r','o','s','o','f','t','\\',
 123 'W','i','n','d','o','w','s','\\',
 124 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 125 'I','n','s','t','a','l','l','e','r','\\',
 126 'P','r','o','d','u','c','t','s',0};
 127
 128 static const WCHAR szInstaller_Products_fmt[] = {
 129 'S','o','f','t','w','a','r','e','\\',
 130 'M','i','c','r','o','s','o','f','t','\\',
 131 'W','i','n','d','o','w','s','\\',
 132 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 133 'I','n','s','t','a','l','l','e','r','\\',
 134 'P','r','o','d','u','c','t','s','\\',
 135 '%','s',0};
 136
 137 static const WCHAR szInstaller_Patches_fmt[] = {
 138 'S','o','f','t','w','a','r','e','\\',
 139 'M','i','c','r','o','s','o','f','t','\\',
 140 'W','i','n','d','o','w','s','\\',
 141 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 142 'I','n','s','t','a','l','l','e','r','\\',
 143 'P','a','t','c','h','e','s','\\',
 144 '%','s',0};
 145
 146 static const WCHAR szInstaller_UpgradeCodes_fmt[] = {
 147 'S','o','f','t','w','a','r','e','\\',
 148 'M','i','c','r','o','s','o','f','t','\\',
 149 'W','i','n','d','o','w','s','\\',
 150 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 151 'I','n','s','t','a','l','l','e','r','\\',
 152 'U','p','g','r','a','d','e','C','o','d','e','s','\\',
 153 '%','s',0};
 154
 155 static const WCHAR szInstaller_UserUpgradeCodes_fmt[] = {
 156 'S','o','f','t','w','a','r','e','\\',
 157 'M','i','c','r','o','s','o','f','t','\\',
 158 'I','n','s','t','a','l','l','e','r','\\',
 159 'U','p','g','r','a','d','e','C','o','d','e','s','\\',
 160 '%','s',0};
 161
 162 static const WCHAR szUserDataProd_fmt[] = {
 163 'S','o','f','t','w','a','r','e','\\',
 164 'M','i','c','r','o','s','o','f','t','\\',
 165 'W','i','n','d','o','w','s','\\',
 166 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 167 'I','n','s','t','a','l','l','e','r','\\',
 168 'U','s','e','r','D','a','t','a','\\',
 169 '%','s','\\','P','r','o','d','u','c','t','s','\\','%','s',0};
 170
 171 static const WCHAR szInstallProperties_fmt[] = {
 172 'S','o','f','t','w','a','r','e','\\',
 173 'M','i','c','r','o','s','o','f','t','\\',
 174 'W','i','n','d','o','w','s','\\',
 175 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 176 'I','n','s','t','a','l','l','e','r','\\',
 177 'U','s','e','r','D','a','t','a','\\',
 178 '%','s','\\','P','r','o','d','u','c','t','s','\\','%','s','\\',
 179 'I','n','s','t','a','l','l','P','r','o','p','e','r','t','i','e','s',0};
 180
 181 static const WCHAR szInstaller_LocalSystemProductCodes_fmt[] = {
 182 'S','o','f','t','w','a','r','e','\\',
 183 'M','i','c','r','o','s','o','f','t','\\',
 184 'W','i','n','d','o','w','s','\\',
 185 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 186 'I','n','s','t','a','l','l','e','r','\\',
 187 'U','s','e','r','D','a','t','a','\\',
 188 'S','-','1','-','5','-','1','8','\\','P','r','o','d','u','c','t','s','\\',
 189 '%','s','\\','I','n','s','t','a','l','l','P','r','o','p','e','r','t','i','e','s',0};
 190
 191 static const WCHAR szInstaller_LocalSystemComponent_fmt[] = {
 192 'S','o','f','t','w','a','r','e','\\',
 193 'M','i','c','r','o','s','o','f','t','\\',
 194 'W','i','n','d','o','w','s','\\',
 195 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 196 'I','n','s','t','a','l','l','e','r','\\',
 197 'U','s','e','r','D','a','t','a','\\',
 198 'S','-','1','-','5','-','1','8','\\',
 199 'C','o','m','p','o','n','e','n','t','s','\\','%','s',0};
 200
 201 static const WCHAR szInstaller_LocalClassesProd_fmt[] = {
 202 'S','o','f','t','w','a','r','e','\\',
 203 'C','l','a','s','s','e','s','\\',
 204 'I','n','s','t','a','l','l','e','r','\\',
 205 'P','r','o','d','u','c','t','s','\\','%','s',0};
 206
 207 static const WCHAR szInstaller_LocalManagedProd_fmt[] = {
 208 'S','o','f','t','w','a','r','e','\\',
 209 'M','i','c','r','o','s','o','f','t','\\',
 210 'W','i','n','d','o','w','s','\\',
 211 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 212 'I','n','s','t','a','l','l','e','r','\\',
 213 'M','a','n','a','g','e','d','\\','%','s','\\',
 214 'I','n','s','t','a','l','l','e','r','\\',
 215 'P','r','o','d','u','c','t','s','\\','%','s',0};
 216
 217 BOOL unsquash_guid(LPCWSTR in, LPWSTR out)
 218 {
 219     DWORD i,n=0;
 220
 221     out[n++]='{';
 222     for(i=0; i<8; i++)
 223         out[n++] = in[7-i];
 224     out[n++]='-';
 225     for(i=0; i<4; i++)
 226         out[n++] = in[11-i];
 227     out[n++]='-';
 228     for(i=0; i<4; i++)
 229         out[n++] = in[15-i];
 230     out[n++]='-';
 231     for(i=0; i<2; i++)
 232     {
 233         out[n++] = in[17+i*2];
 234         out[n++] = in[16+i*2];
 235     }
 236     out[n++]='-';
 237     for( ; i<8; i++)
 238     {
 239         out[n++] = in[17+i*2];
 240         out[n++] = in[16+i*2];
 241     }
 242     out[n++]='}';
 243     out[n]=0;
 244     return TRUE;
 245 }
 246
 247 BOOL squash_guid(LPCWSTR in, LPWSTR out)
 248 {
 249     DWORD i,n=1;
 250     GUID guid;
 251
 252     out[0] = 0;
 253
 254     if (FAILED(CLSIDFromString((LPOLESTR)in, &guid)))
 255         return FALSE;
 256
 257     for(i=0; i<8; i++)
 258         out[7-i] = in[n++];
 259     n++;
 260     for(i=0; i<4; i++)
 261         out[11-i] = in[n++];
 262     n++;
 263     for(i=0; i<4; i++)
 264         out[15-i] = in[n++];
 265     n++;
 266     for(i=0; i<2; i++)
 267     {
 268         out[17+i*2] = in[n++];
 269         out[16+i*2] = in[n++];
 270     }
 271     n++;
 272     for( ; i<8; i++)
 273     {
 274         out[17+i*2] = in[n++];
 275         out[16+i*2] = in[n++];
 276     }
 277     out[32]=0;
 278     return TRUE;
 279 }
 280
 281
 282 /* tables for encoding and decoding base85 */
 283 static const unsigned char table_dec85[0x80] = {
 284 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 285 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 286 0xff,0x00,0xff,0xff,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0xff,
 287 0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0xff,0xff,0xff,0x16,0xff,0x17,
 288 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
 289 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0xff,0x34,0x35,0x36,
 290 0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,
 291 0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xff,0x53,0x54,0xff,
 292 };
 293
 294 static const char table_enc85[] =
 295 "!$%&'()*+,-.0123456789=?@ABCDEFGHIJKLMNO"
 296 "PQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwx"
 297 "yz{}~";
 298
 299 /*
 300  *  Converts a base85 encoded guid into a GUID pointer
 301  *  Base85 encoded GUIDs should be 20 characters long.
 302  *
 303  *  returns TRUE if successful, FALSE if not
 304  */
 305 BOOL decode_base85_guid( LPCWSTR str, GUID *guid )
 306 {
 307     DWORD i, val = 0, base = 1, *p;
 308
 309     if (!str)
 310         return FALSE;
 311
 312     p = (DWORD*) guid;
 313     for( i=0; i<20; i++ )
 314     {
 315         if( (i%5) == 0 )
 316         {
 317             val = 0;
 318             base = 1;
 319         }
 320         val += table_dec85[str[i]] * base;
 321         if( str[i] >= 0x80 )
 322             return FALSE;
 323         if( table_dec85[str[i]] == 0xff )
 324             return FALSE;
 325         if( (i%5) == 4 )
 326             p[i/5] = val;
 327         base *= 85;
 328     }
 329     return TRUE;
 330 }
 331
 332 /*
 333  *  Encodes a base85 guid given a GUID pointer
 334  *  Caller should provide a 21 character buffer for the encoded string.
 335  *
 336  *  returns TRUE if successful, FALSE if not
 337  */
 338 BOOL encode_base85_guid( GUID *guid, LPWSTR str )
 339 {
 340     unsigned int x, *p, i;
 341
 342     p = (unsigned int*) guid;
 343     for( i=0; i<4; i++ )
 344     {
 345         x = p[i];
 346         *str++ = table_enc85[x%85];
 347         x = x/85;
 348         *str++ = table_enc85[x%85];
 349         x = x/85;
 350         *str++ = table_enc85[x%85];
 351         x = x/85;
 352         *str++ = table_enc85[x%85];
 353         x = x/85;
 354         *str++ = table_enc85[x%85];
 355     }
 356     *str = 0;
 357
 358     return TRUE;
 359 }
 360
 361 DWORD msi_version_str_to_dword(LPCWSTR p)
 362 {
 363     DWORD major, minor = 0, build = 0, version = 0;
 364
 365     if (!p)
 366         return version;
 367
 368     major = atoiW(p);
 369
 370     p = strchrW(p, '.');
 371     if (p)
 372     {
 373         minor = atoiW(p+1);
 374         p = strchrW(p+1, '.');
 375         if (p)
 376             build = atoiW(p+1);
 377     }
 378
 379     return MAKELONG(build, MAKEWORD(minor, major));
 380 }
 381
 382 LPWSTR msi_version_dword_to_str(DWORD version)
 383 {
 384     const WCHAR fmt[] = { '%','u','.','%','u','.','%','u',0 };
 385     LPWSTR str = msi_alloc(20);
 386     sprintfW(str, fmt,
 387              (version&0xff000000)>>24,
 388              (version&0x00ff0000)>>16,
 389               version&0x0000ffff);
 390     return str;
 391 }
 392
 393 LONG msi_reg_set_val_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
 394 {
 395     DWORD len = value ? (lstrlenW(value) + 1) * sizeof (WCHAR) : 0;
 396     return RegSetValueExW( hkey, name, 0, REG_SZ, (const BYTE *)value, len );
 397 }
 398
 399 LONG msi_reg_set_val_multi_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
 400 {
 401     LPCWSTR p = value;
 402     while (*p) p += lstrlenW(p) + 1;
 403     return RegSetValueExW( hkey, name, 0, REG_MULTI_SZ,
 404                            (const BYTE *)value, (p + 1 - value) * sizeof(WCHAR) );
 405 }
 406
 407 LONG msi_reg_set_val_dword( HKEY hkey, LPCWSTR name, DWORD val )
 408 {
 409     return RegSetValueExW( hkey, name, 0, REG_DWORD, (LPBYTE)&val, sizeof (DWORD) );
 410 }
 411
 412 LONG msi_reg_set_subkey_val( HKEY hkey, LPCWSTR path, LPCWSTR name, LPCWSTR val )
 413 {
 414     HKEY hsubkey = 0;
 415     LONG r;
 416
 417     r = RegCreateKeyW( hkey, path, &hsubkey );
 418     if (r != ERROR_SUCCESS)
 419         return r;
 420     r = msi_reg_set_val_str( hsubkey, name, val );
 421     RegCloseKey( hsubkey );
 422     return r;
 423 }
 424
 425 LPWSTR msi_reg_get_val_str( HKEY hkey, LPCWSTR name )
 426 {
 427     DWORD len = 0;
 428     LPWSTR val;
 429     LONG r;
 430
 431     r = RegQueryValueExW(hkey, name, NULL, NULL, NULL, &len);
 432     if (r != ERROR_SUCCESS)
 433         return NULL;
 434
 435     len += sizeof (WCHAR);
 436     val = msi_alloc( len );
 437     if (!val)
 438         return NULL;
 439     val[0] = 0;
 440     RegQueryValueExW(hkey, name, NULL, NULL, (LPBYTE) val, &len);
 441     return val;
 442 }
 443
 444 BOOL msi_reg_get_val_dword( HKEY hkey, LPCWSTR name, DWORD *val)
 445 {
 446     DWORD type, len = sizeof (DWORD);
 447     LONG r = RegQueryValueExW(hkey, name, NULL, &type, (LPBYTE) val, &len);
 448     return r == ERROR_SUCCESS && type == REG_DWORD;
 449 }
 450
 451 static UINT get_user_sid(LPWSTR *usersid)
 452 {
 453     HANDLE token;
 454     BYTE buf[1024];
 455     DWORD size;
 456     PTOKEN_USER user;
 457
 458     if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &token))
 459         return ERROR_FUNCTION_FAILED;
 460
 461     size = sizeof(buf);
 462     if (!GetTokenInformation(token, TokenUser, (void *)buf, size, &size)) {
 463         CloseHandle(token);
 464         return ERROR_FUNCTION_FAILED;
 465     }
 466
 467     user = (PTOKEN_USER)buf;
 468     if (!ConvertSidToStringSidW(user->User.Sid, usersid)) {
 469         CloseHandle(token);
 470         return ERROR_FUNCTION_FAILED;
 471     }
 472     CloseHandle(token);
 473     return ERROR_SUCCESS;
 474 }
 475
 476 UINT MSIREG_OpenUninstallKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 477 {
 478     UINT rc;
 479     WCHAR keypath[0x200];
 480     TRACE("%s\n",debugstr_w(szProduct));
 481
 482     sprintfW(keypath,szUninstall_fmt,szProduct);
 483
 484     if (create)
 485         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 486     else
 487         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 488
 489     return rc;
 490 }
 491
 492 UINT MSIREG_DeleteUninstallKey(LPCWSTR szProduct)
 493 {
 494     WCHAR keypath[0x200];
 495     TRACE("%s\n",debugstr_w(szProduct));
 496
 497     sprintfW(keypath,szUninstall_fmt,szProduct);
 498
 499     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 500 }
 501
 502 UINT MSIREG_OpenUserProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 503 {
 504     UINT rc;
 505     WCHAR squished_pc[GUID_SIZE];
 506     WCHAR keypath[0x200];
 507
 508     TRACE("%s\n",debugstr_w(szProduct));
 509     if (!squash_guid(szProduct,squished_pc))
 510         return ERROR_FUNCTION_FAILED;
 511     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 512
 513     sprintfW(keypath,szUserProduct_fmt,squished_pc);
 514
 515     if (create)
 516         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 517     else
 518         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 519
 520     return rc;
 521 }
 522
 523 UINT MSIREG_DeleteUserProductKey(LPCWSTR szProduct)
 524 {
 525     WCHAR squished_pc[GUID_SIZE];
 526     WCHAR keypath[0x200];
 527
 528     TRACE("%s\n",debugstr_w(szProduct));
 529     if (!squash_guid(szProduct,squished_pc))
 530         return ERROR_FUNCTION_FAILED;
 531     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 532
 533     sprintfW(keypath,szUserProduct_fmt,squished_pc);
 534
 535     return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
 536 }
 537
 538 UINT MSIREG_OpenUserPatchesKey(LPCWSTR szPatch, 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(szPatch));
 545     if (!squash_guid(szPatch,squished_pc))
 546         return ERROR_FUNCTION_FAILED;
 547     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 548
 549     sprintfW(keypath,szUserPatch_fmt,squished_pc);
 550
 551     if (create)
 552         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 553     else
 554         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 555
 556     return rc;
 557 }
 558
 559 UINT MSIREG_OpenUserFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 560 {
 561     UINT rc;
 562     WCHAR squished_pc[GUID_SIZE];
 563     WCHAR keypath[0x200];
 564
 565     TRACE("%s\n",debugstr_w(szProduct));
 566     if (!squash_guid(szProduct,squished_pc))
 567         return ERROR_FUNCTION_FAILED;
 568     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 569
 570     sprintfW(keypath,szUserFeatures_fmt,squished_pc);
 571
 572     if (create)
 573         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 574     else
 575         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 576
 577     return rc;
 578 }
 579
 580 UINT MSIREG_DeleteUserFeaturesKey(LPCWSTR szProduct)
 581 {
 582     WCHAR squished_pc[GUID_SIZE];
 583     WCHAR keypath[0x200];
 584
 585     TRACE("%s\n",debugstr_w(szProduct));
 586     if (!squash_guid(szProduct,squished_pc))
 587         return ERROR_FUNCTION_FAILED;
 588     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 589
 590     sprintfW(keypath,szUserFeatures_fmt,squished_pc);
 591     return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
 592 }
 593
 594 UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 595 {
 596     UINT rc;
 597     WCHAR squished_pc[GUID_SIZE];
 598     WCHAR keypath[0x200];
 599
 600     TRACE("%s\n",debugstr_w(szProduct));
 601     if (!squash_guid(szProduct,squished_pc))
 602         return ERROR_FUNCTION_FAILED;
 603     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 604
 605     sprintfW(keypath,szInstaller_Features_fmt,squished_pc);
 606
 607     if (create)
 608         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 609     else
 610         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 611
 612     return rc;
 613 }
 614
 615 UINT MSIREG_OpenUserDataFeaturesKey(LPCWSTR szProduct, HKEY *key, BOOL create)
 616 {
 617     UINT rc;
 618     WCHAR squished_pc[GUID_SIZE];
 619     WCHAR keypath[0x200];
 620     LPWSTR usersid;
 621
 622     TRACE("%s\n", debugstr_w(szProduct));
 623     if (!squash_guid(szProduct, squished_pc))
 624         return ERROR_FUNCTION_FAILED;
 625     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 626
 627     rc = get_user_sid(&usersid);
 628     if (rc != ERROR_SUCCESS || !usersid)
 629     {
 630         ERR("Failed to retrieve user SID: %d\n", rc);
 631         return rc;
 632     }
 633
 634     sprintfW(keypath, szUserDataFeatures_fmt, usersid, squished_pc);
 635
 636     if (create)
 637         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 638     else
 639         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 640
 641     LocalFree(usersid);
 642     return rc;
 643 }
 644
 645 UINT MSIREG_OpenComponents(HKEY* key)
 646 {
 647     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Components,key);
 648 }
 649
 650 UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 651 {
 652     UINT rc;
 653     WCHAR squished_cc[GUID_SIZE];
 654     WCHAR keypath[0x200];
 655
 656     TRACE("%s\n",debugstr_w(szComponent));
 657     if (!squash_guid(szComponent,squished_cc))
 658         return ERROR_FUNCTION_FAILED;
 659     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 660
 661     sprintfW(keypath,szUser_Components_fmt,squished_cc);
 662
 663     if (create)
 664         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 665     else
 666         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 667
 668     return rc;
 669 }
 670
 671 UINT MSIREG_OpenUserDataComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create)
 672 {
 673     UINT rc;
 674     WCHAR comp[GUID_SIZE];
 675     WCHAR keypath[0x200];
 676     LPWSTR usersid;
 677
 678     TRACE("%s\n", debugstr_w(szComponent));
 679     if (!squash_guid(szComponent, comp))
 680         return ERROR_FUNCTION_FAILED;
 681     TRACE("squished (%s)\n", debugstr_w(comp));
 682
 683     rc = get_user_sid(&usersid);
 684     if (rc != ERROR_SUCCESS || !usersid)
 685     {
 686         ERR("Failed to retrieve user SID: %d\n", rc);
 687         return rc;
 688     }
 689
 690     sprintfW(keypath, szUserDataComp_fmt, usersid, comp);
 691
 692     if (create)
 693         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 694     else
 695         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 696
 697     LocalFree(usersid);
 698     return rc;
 699 }
 700
 701 UINT MSIREG_DeleteUserDataComponentKey(LPCWSTR szComponent)
 702 {
 703     UINT rc;
 704     WCHAR comp[GUID_SIZE];
 705     WCHAR keypath[0x200];
 706     LPWSTR usersid;
 707
 708     TRACE("%s\n", debugstr_w(szComponent));
 709     if (!squash_guid(szComponent, comp))
 710         return ERROR_FUNCTION_FAILED;
 711     TRACE("squished (%s)\n", debugstr_w(comp));
 712
 713     rc = get_user_sid(&usersid);
 714     if (rc != ERROR_SUCCESS || !usersid)
 715     {
 716         ERR("Failed to retrieve user SID: %d\n", rc);
 717         return rc;
 718     }
 719
 720     sprintfW(keypath, szUserDataComp_fmt, usersid, comp);
 721
 722     LocalFree(usersid);
 723     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 724 }
 725
 726 UINT MSIREG_OpenUserDataProductKey(LPCWSTR szProduct, HKEY *key, BOOL create)
 727 {
 728     UINT rc;
 729     WCHAR squished_pc[GUID_SIZE];
 730     WCHAR keypath[0x200];
 731     LPWSTR usersid;
 732
 733     TRACE("%s\n", debugstr_w(szProduct));
 734     if (!squash_guid(szProduct, squished_pc))
 735         return ERROR_FUNCTION_FAILED;
 736     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 737
 738     rc = get_user_sid(&usersid);
 739     if (rc != ERROR_SUCCESS || !usersid)
 740     {
 741         ERR("Failed to retrieve user SID: %d\n", rc);
 742         return rc;
 743     }
 744
 745     sprintfW(keypath, szUserDataProd_fmt, usersid, squished_pc);
 746
 747     if (create)
 748         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 749     else
 750         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 751
 752     LocalFree(usersid);
 753     return rc;
 754 }
 755
 756 UINT MSIREG_OpenInstallPropertiesKey(LPCWSTR szProduct, HKEY *key, BOOL create)
 757 {
 758     UINT rc;
 759     WCHAR squished_pc[GUID_SIZE];
 760     WCHAR keypath[0x200];
 761     LPWSTR usersid;
 762
 763     TRACE("%s\n", debugstr_w(szProduct));
 764     if (!squash_guid(szProduct, squished_pc))
 765         return ERROR_FUNCTION_FAILED;
 766     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 767
 768     rc = get_user_sid(&usersid);
 769     if (rc != ERROR_SUCCESS || !usersid)
 770     {
 771         ERR("Failed to retrieve user SID: %d\n", rc);
 772         return rc;
 773     }
 774
 775     sprintfW(keypath, szInstallProperties_fmt, usersid, squished_pc);
 776
 777     if (create)
 778         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 779     else
 780         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 781
 782     LocalFree(usersid);
 783     return rc;
 784 }
 785
 786 UINT MSIREG_DeleteUserDataProductKey(LPCWSTR szProduct)
 787 {
 788     UINT rc;
 789     WCHAR squished_pc[GUID_SIZE];
 790     WCHAR keypath[0x200];
 791     LPWSTR usersid;
 792
 793     TRACE("%s\n", debugstr_w(szProduct));
 794     if (!squash_guid(szProduct, squished_pc))
 795         return ERROR_FUNCTION_FAILED;
 796     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 797
 798     rc = get_user_sid(&usersid);
 799     if (rc != ERROR_SUCCESS || !usersid)
 800     {
 801         ERR("Failed to retrieve user SID: %d\n", rc);
 802         return rc;
 803     }
 804
 805     sprintfW(keypath, szUserDataProd_fmt, usersid, squished_pc);
 806
 807     LocalFree(usersid);
 808     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 809 }
 810
 811 UINT MSIREG_OpenProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 812 {
 813     UINT rc;
 814     WCHAR squished_pc[GUID_SIZE];
 815     WCHAR keypath[0x200];
 816
 817     TRACE("%s\n",debugstr_w(szProduct));
 818     if (!squash_guid(szProduct,squished_pc))
 819         return ERROR_FUNCTION_FAILED;
 820     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 821
 822     sprintfW(keypath,szInstaller_Products_fmt,squished_pc);
 823
 824     if (create)
 825         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 826     else
 827         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 828
 829     return rc;
 830 }
 831
 832 UINT MSIREG_DeleteProductKey(LPCWSTR szProduct)
 833 {
 834     WCHAR squished_pc[GUID_SIZE];
 835     WCHAR keypath[0x200];
 836
 837     TRACE("%s\n", debugstr_w(szProduct));
 838     if (!squash_guid(szProduct, squished_pc))
 839         return ERROR_FUNCTION_FAILED;
 840     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 841
 842     sprintfW(keypath, szInstaller_Products_fmt, squished_pc);
 843
 844     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 845 }
 846
 847 UINT MSIREG_OpenPatchesKey(LPCWSTR szPatch, HKEY* key, BOOL create)
 848 {
 849     UINT rc;
 850     WCHAR squished_pc[GUID_SIZE];
 851     WCHAR keypath[0x200];
 852
 853     TRACE("%s\n",debugstr_w(szPatch));
 854     if (!squash_guid(szPatch,squished_pc))
 855         return ERROR_FUNCTION_FAILED;
 856     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 857
 858     sprintfW(keypath,szInstaller_Patches_fmt,squished_pc);
 859
 860     if (create)
 861         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 862     else
 863         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 864
 865     return rc;
 866 }
 867
 868 UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 869 {
 870     UINT rc;
 871     WCHAR squished_pc[GUID_SIZE];
 872     WCHAR keypath[0x200];
 873
 874     TRACE("%s\n",debugstr_w(szUpgradeCode));
 875     if (!squash_guid(szUpgradeCode,squished_pc))
 876         return ERROR_FUNCTION_FAILED;
 877     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 878
 879     sprintfW(keypath,szInstaller_UpgradeCodes_fmt,squished_pc);
 880
 881     if (create)
 882         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 883     else
 884         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 885
 886     return rc;
 887 }
 888
 889 UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 890 {
 891     UINT rc;
 892     WCHAR squished_pc[GUID_SIZE];
 893     WCHAR keypath[0x200];
 894
 895     TRACE("%s\n",debugstr_w(szUpgradeCode));
 896     if (!squash_guid(szUpgradeCode,squished_pc))
 897         return ERROR_FUNCTION_FAILED;
 898     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 899
 900     sprintfW(keypath,szInstaller_UserUpgradeCodes_fmt,squished_pc);
 901
 902     if (create)
 903         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 904     else
 905         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 906
 907     return rc;
 908 }
 909
 910 UINT MSIREG_OpenLocalSystemProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create)
 911 {
 912     WCHAR squished_pc[GUID_SIZE];
 913     WCHAR keypath[0x200];
 914
 915     TRACE("%s\n", debugstr_w(szProductCode));
 916
 917     if (!squash_guid(szProductCode, squished_pc))
 918         return ERROR_FUNCTION_FAILED;
 919
 920     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 921
 922     sprintfW(keypath, szInstaller_LocalSystemProductCodes_fmt, squished_pc);
 923
 924     if (create)
 925         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 926
 927     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 928 }
 929
 930 UINT MSIREG_OpenLocalSystemComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create)
 931 {
 932     WCHAR squished_pc[GUID_SIZE];
 933     WCHAR keypath[0x200];
 934
 935     TRACE("%s\n", debugstr_w(szComponent));
 936
 937     if (!squash_guid(szComponent, squished_pc))
 938         return ERROR_FUNCTION_FAILED;
 939
 940     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 941
 942     sprintfW(keypath, szInstaller_LocalSystemComponent_fmt, squished_pc);
 943
 944     if (create)
 945         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 946
 947     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 948 }
 949
 950 UINT MSIREG_OpenLocalClassesProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create)
 951 {
 952     WCHAR squished_pc[GUID_SIZE];
 953     WCHAR keypath[0x200];
 954
 955     TRACE("%s\n", debugstr_w(szProductCode));
 956
 957     if (!squash_guid(szProductCode, squished_pc))
 958         return ERROR_FUNCTION_FAILED;
 959
 960     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 961
 962     sprintfW(keypath, szInstaller_LocalClassesProd_fmt, squished_pc);
 963
 964     if (create)
 965         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 966
 967     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 968 }
 969
 970 UINT MSIREG_OpenLocalManagedProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create)
 971 {
 972     WCHAR squished_pc[GUID_SIZE];
 973     WCHAR keypath[0x200];
 974     LPWSTR usersid;
 975     UINT r;
 976
 977     TRACE("%s\n", debugstr_w(szProductCode));
 978
 979     if (!squash_guid(szProductCode, squished_pc))
 980         return ERROR_FUNCTION_FAILED;
 981
 982     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 983
 984     r = get_user_sid(&usersid);
 985     if (r != ERROR_SUCCESS || !usersid)
 986     {
 987         ERR("Failed to retrieve user SID: %d\n", r);
 988         return r;
 989     }
 990
 991     sprintfW(keypath, szInstaller_LocalManagedProd_fmt, usersid, squished_pc);
 992     LocalFree(usersid);
 993
 994     if (create)
 995         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 996
 997     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 998 }
 999
1000 /*************************************************************************
1001  *  MsiDecomposeDescriptorW   [MSI.@]
1002  *
1003  * Decomposes an MSI descriptor into product, feature and component parts.
1004  * An MSI descriptor is a string of the form:
1005  *   [base 85 guid] [feature code] '>' [base 85 guid]
1006  *
1007  * PARAMS
1008  *   szDescriptor  [I]  the descriptor to decompose
1009  *   szProduct     [O]  buffer of MAX_FEATURE_CHARS+1 for the product guid
1010  *   szFeature     [O]  buffer of MAX_FEATURE_CHARS+1 for the feature code
1011  *   szComponent   [O]  buffer of MAX_FEATURE_CHARS+1 for the component guid
1012  *   pUsed         [O]  the length of the descriptor
1013  *
1014  * RETURNS
1015  *   ERROR_SUCCESS             if everything worked correctly
1016  *   ERROR_INVALID_PARAMETER   if the descriptor was invalid
1017  *
1018  */
1019 UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR szDescriptor, LPWSTR szProduct,
1020                 LPWSTR szFeature, LPWSTR szComponent, LPDWORD pUsed )
1021 {
1022     UINT r, len;
1023     LPWSTR p;
1024     GUID product, component;
1025
1026     TRACE("%s %p %p %p %p\n", debugstr_w(szDescriptor), szProduct,
1027           szFeature, szComponent, pUsed);
1028
1029     r = decode_base85_guid( szDescriptor, &product );
1030     if( !r )
1031         return ERROR_INVALID_PARAMETER;
1032
1033     TRACE("product %s\n", debugstr_guid( &product ));
1034
1035     p = strchrW(&szDescriptor[20],'>');
1036     if( !p )
1037         return ERROR_INVALID_PARAMETER;
1038
1039     len = (p - &szDescriptor[20]);
1040     if( len > MAX_FEATURE_CHARS )
1041         return ERROR_INVALID_PARAMETER;
1042
1043     TRACE("feature %s\n", debugstr_wn( &szDescriptor[20], len ));
1044
1045     r = decode_base85_guid( p+1, &component );
1046     if( !r )
1047         return ERROR_INVALID_PARAMETER;
1048
1049     TRACE("component %s\n", debugstr_guid( &component ));
1050
1051     if (szProduct)
1052         StringFromGUID2( &product, szProduct, MAX_FEATURE_CHARS+1 );
1053     if (szComponent)
1054         StringFromGUID2( &component, szComponent, MAX_FEATURE_CHARS+1 );
1055     if (szFeature)
1056     {
1057         memcpy( szFeature, &szDescriptor[20], len*sizeof(WCHAR) );
1058         szFeature[len] = 0;
1059     }
1060     len = ( &p[21] - szDescriptor );
1061
1062     TRACE("length = %d\n", len);
1063     *pUsed = len;
1064
1065     return ERROR_SUCCESS;
1066 }
1067
1068 UINT WINAPI MsiDecomposeDescriptorA( LPCSTR szDescriptor, LPSTR szProduct,
1069                 LPSTR szFeature, LPSTR szComponent, LPDWORD pUsed )
1070 {
1071     WCHAR product[MAX_FEATURE_CHARS+1];
1072     WCHAR feature[MAX_FEATURE_CHARS+1];
1073     WCHAR component[MAX_FEATURE_CHARS+1];
1074     LPWSTR str = NULL, p = NULL, f = NULL, c = NULL;
1075     UINT r;
1076
1077     TRACE("%s %p %p %p %p\n", debugstr_a(szDescriptor), szProduct,
1078           szFeature, szComponent, pUsed);
1079
1080     str = strdupAtoW( szDescriptor );
1081     if( szDescriptor && !str )
1082         return ERROR_OUTOFMEMORY;
1083
1084     if (szProduct)
1085         p = product;
1086     if (szFeature)
1087         f = feature;
1088     if (szComponent)
1089         c = component;
1090
1091     r = MsiDecomposeDescriptorW( str, p, f, c, pUsed );
1092
1093     if (r == ERROR_SUCCESS)
1094     {
1095         WideCharToMultiByte( CP_ACP, 0, p, -1,
1096                              szProduct, MAX_FEATURE_CHARS+1, NULL, NULL );
1097         WideCharToMultiByte( CP_ACP, 0, f, -1,
1098                              szFeature, MAX_FEATURE_CHARS+1, NULL, NULL );
1099         WideCharToMultiByte( CP_ACP, 0, c, -1,
1100                              szComponent, MAX_FEATURE_CHARS+1, NULL, NULL );
1101     }
1102
1103     msi_free( str );
1104
1105     return r;
1106 }
1107
1108 UINT WINAPI MsiEnumProductsA(DWORD index, LPSTR lpguid)
1109 {
1110     DWORD r;
1111     WCHAR szwGuid[GUID_SIZE];
1112
1113     TRACE("%d %p\n", index, lpguid);
1114
1115     if (NULL == lpguid)
1116         return ERROR_INVALID_PARAMETER;
1117     r = MsiEnumProductsW(index, szwGuid);
1118     if( r == ERROR_SUCCESS )
1119         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
1120
1121     return r;
1122 }
1123
1124 UINT WINAPI MsiEnumProductsW(DWORD index, LPWSTR lpguid)
1125 {
1126     HKEY hkeyProducts = 0;
1127     DWORD r;
1128     WCHAR szKeyName[SQUISH_GUID_SIZE];
1129
1130     TRACE("%d %p\n", index, lpguid);
1131
1132     if (NULL == lpguid)
1133         return ERROR_INVALID_PARAMETER;
1134
1135     r = RegCreateKeyW(HKEY_LOCAL_MACHINE, szInstaller_Products, &hkeyProducts);
1136     if( r != ERROR_SUCCESS )
1137         return ERROR_NO_MORE_ITEMS;
1138
1139     r = RegEnumKeyW(hkeyProducts, index, szKeyName, SQUISH_GUID_SIZE);
1140     if( r == ERROR_SUCCESS )
1141         unsquash_guid(szKeyName, lpguid);
1142     RegCloseKey(hkeyProducts);
1143
1144     return r;
1145 }
1146
1147 UINT WINAPI MsiEnumFeaturesA(LPCSTR szProduct, DWORD index,
1148       LPSTR szFeature, LPSTR szParent)
1149 {
1150     DWORD r;
1151     WCHAR szwFeature[GUID_SIZE], szwParent[GUID_SIZE];
1152     LPWSTR szwProduct = NULL;
1153
1154     TRACE("%s %d %p %p\n", debugstr_a(szProduct), index, szFeature, szParent);
1155
1156     if( szProduct )
1157     {
1158         szwProduct = strdupAtoW( szProduct );
1159         if( !szwProduct )
1160             return ERROR_OUTOFMEMORY;
1161     }
1162
1163     r = MsiEnumFeaturesW(szwProduct, index, szwFeature, szwParent);
1164     if( r == ERROR_SUCCESS )
1165     {
1166         WideCharToMultiByte(CP_ACP, 0, szwFeature, -1,
1167                             szFeature, GUID_SIZE, NULL, NULL);
1168         WideCharToMultiByte(CP_ACP, 0, szwParent, -1,
1169                             szParent, GUID_SIZE, NULL, NULL);
1170     }
1171
1172     msi_free( szwProduct);
1173
1174     return r;
1175 }
1176
1177 UINT WINAPI MsiEnumFeaturesW(LPCWSTR szProduct, DWORD index,
1178       LPWSTR szFeature, LPWSTR szParent)
1179 {
1180     HKEY hkeyProduct = 0;
1181     DWORD r, sz;
1182
1183     TRACE("%s %d %p %p\n", debugstr_w(szProduct), index, szFeature, szParent);
1184
1185     if( !szProduct )
1186         return ERROR_INVALID_PARAMETER;
1187
1188     r = MSIREG_OpenFeaturesKey(szProduct,&hkeyProduct,FALSE);
1189     if( r != ERROR_SUCCESS )
1190         return ERROR_NO_MORE_ITEMS;
1191
1192     sz = GUID_SIZE;
1193     r = RegEnumValueW(hkeyProduct, index, szFeature, &sz, NULL, NULL, NULL, NULL);
1194     RegCloseKey(hkeyProduct);
1195
1196     return r;
1197 }
1198
1199 UINT WINAPI MsiEnumComponentsA(DWORD index, LPSTR lpguid)
1200 {
1201     DWORD r;
1202     WCHAR szwGuid[GUID_SIZE];
1203
1204     TRACE("%d %p\n", index, lpguid);
1205
1206     r = MsiEnumComponentsW(index, szwGuid);
1207     if( r == ERROR_SUCCESS )
1208         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
1209
1210     return r;
1211 }
1212
1213 UINT WINAPI MsiEnumComponentsW(DWORD index, LPWSTR lpguid)
1214 {
1215     HKEY hkeyComponents = 0;
1216     DWORD r;
1217     WCHAR szKeyName[SQUISH_GUID_SIZE];
1218
1219     TRACE("%d %p\n", index, lpguid);
1220
1221     r = MSIREG_OpenComponents(&hkeyComponents);
1222     if( r != ERROR_SUCCESS )
1223         return ERROR_NO_MORE_ITEMS;
1224
1225     r = RegEnumKeyW(hkeyComponents, index, szKeyName, SQUISH_GUID_SIZE);
1226     if( r == ERROR_SUCCESS )
1227         unsquash_guid(szKeyName, lpguid);
1228     RegCloseKey(hkeyComponents);
1229
1230     return r;
1231 }
1232
1233 UINT WINAPI MsiEnumClientsA(LPCSTR szComponent, DWORD index, LPSTR szProduct)
1234 {
1235     DWORD r;
1236     WCHAR szwProduct[GUID_SIZE];
1237     LPWSTR szwComponent = NULL;
1238
1239     TRACE("%s %d %p\n", debugstr_a(szComponent), index, szProduct);
1240
1241     if ( !szProduct )
1242         return ERROR_INVALID_PARAMETER;
1243
1244     if( szComponent )
1245     {
1246         szwComponent = strdupAtoW( szComponent );
1247         if( !szwComponent )
1248             return ERROR_OUTOFMEMORY;
1249     }
1250
1251     r = MsiEnumClientsW(szComponent?szwComponent:NULL, index, szwProduct);
1252     if( r == ERROR_SUCCESS )
1253     {
1254         WideCharToMultiByte(CP_ACP, 0, szwProduct, -1,
1255                             szProduct, GUID_SIZE, NULL, NULL);
1256     }
1257
1258     msi_free( szwComponent);
1259
1260     return r;
1261 }
1262
1263 UINT WINAPI MsiEnumClientsW(LPCWSTR szComponent, DWORD index, LPWSTR szProduct)
1264 {
1265     HKEY hkeyComp = 0;
1266     DWORD r, sz;
1267     WCHAR szValName[SQUISH_GUID_SIZE];
1268
1269     TRACE("%s %d %p\n", debugstr_w(szComponent), index, szProduct);
1270
1271     if (!szComponent || !*szComponent || !szProduct)
1272         return ERROR_INVALID_PARAMETER;
1273
1274     if (MSIREG_OpenUserDataComponentKey(szComponent, &hkeyComp, FALSE) != ERROR_SUCCESS &&
1275         MSIREG_OpenLocalSystemComponentKey(szComponent, &hkeyComp, FALSE) != ERROR_SUCCESS)
1276         return ERROR_UNKNOWN_COMPONENT;
1277
1278     /* see if there are any products at all */
1279     sz = SQUISH_GUID_SIZE;
1280     r = RegEnumValueW(hkeyComp, 0, szValName, &sz, NULL, NULL, NULL, NULL);
1281     if (r != ERROR_SUCCESS)
1282     {
1283         RegCloseKey(hkeyComp);
1284
1285         if (index != 0)
1286             return ERROR_INVALID_PARAMETER;
1287
1288         return ERROR_UNKNOWN_COMPONENT;
1289     }
1290
1291     sz = SQUISH_GUID_SIZE;
1292     r = RegEnumValueW(hkeyComp, index, szValName, &sz, NULL, NULL, NULL, NULL);
1293     if( r == ERROR_SUCCESS )
1294         unsquash_guid(szValName, szProduct);
1295
1296     RegCloseKey(hkeyComp);
1297
1298     return r;
1299 }
1300
1301 static UINT WINAPI MSI_EnumComponentQualifiers( LPCWSTR szComponent, DWORD iIndex,
1302                 awstring *lpQualBuf, LPDWORD pcchQual,
1303                 awstring *lpAppBuf, LPDWORD pcchAppBuf )
1304 {
1305     DWORD name_sz, val_sz, name_max, val_max, type, ofs;
1306     LPWSTR name = NULL, val = NULL;
1307     UINT r, r2;
1308     HKEY key;
1309
1310     TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
1311           lpQualBuf, pcchQual, lpAppBuf, pcchAppBuf);
1312
1313     if (!szComponent)
1314         return ERROR_INVALID_PARAMETER;
1315
1316     r = MSIREG_OpenUserComponentsKey( szComponent, &key, FALSE );
1317     if (r != ERROR_SUCCESS)
1318         return ERROR_UNKNOWN_COMPONENT;
1319
1320     /* figure out how big the name is we want to return */
1321     name_max = 0x10;
1322     r = ERROR_OUTOFMEMORY;
1323     name = msi_alloc( name_max * sizeof(WCHAR) );
1324     if (!name)
1325         goto end;
1326
1327     val_max = 0x10;
1328     r = ERROR_OUTOFMEMORY;
1329     val = msi_alloc( val_max );
1330     if (!val)
1331         goto end;
1332
1333     /* loop until we allocate enough memory */
1334     while (1)
1335     {
1336         name_sz = name_max;
1337         val_sz = val_max;
1338         r = RegEnumValueW( key, iIndex, name, &name_sz,
1339                            NULL, &type, (LPBYTE)val, &val_sz );
1340         if (r == ERROR_SUCCESS)
1341             break;
1342         if (r != ERROR_MORE_DATA)
1343             goto end;
1344
1345         if (type != REG_MULTI_SZ)
1346         {
1347             ERR("component data has wrong type (%d)\n", type);
1348             goto end;
1349         }
1350
1351         r = ERROR_OUTOFMEMORY;
1352         if ((name_sz+1) >= name_max)
1353         {
1354             name_max *= 2;
1355             msi_free( name );
1356             name = msi_alloc( name_max * sizeof (WCHAR) );
1357             if (!name)
1358                 goto end;
1359             continue;
1360         }
1361         if (val_sz > val_max)
1362         {
1363             val_max = val_sz + sizeof (WCHAR);
1364             msi_free( val );
1365             val = msi_alloc( val_max * sizeof (WCHAR) );
1366             if (!val)
1367                 goto end;
1368             continue;
1369         }
1370         ERR("should be enough data, but isn't %d %d\n", name_sz, val_sz );
1371         goto end;
1372     }
1373
1374     ofs = 0;
1375     r = MsiDecomposeDescriptorW( val, NULL, NULL, NULL, &ofs );
1376     if (r != ERROR_SUCCESS)
1377         goto end;
1378
1379     TRACE("Providing %s and %s\n", debugstr_w(name), debugstr_w(val+ofs));
1380
1381     r = msi_strcpy_to_awstring( name, lpQualBuf, pcchQual );
1382     r2 = msi_strcpy_to_awstring( val+ofs, lpAppBuf, pcchAppBuf );
1383
1384     if (r2 != ERROR_SUCCESS)
1385         r = r2;
1386
1387 end:
1388     msi_free(val);
1389     msi_free(name);
1390     RegCloseKey(key);
1391
1392     return r;
1393 }
1394
1395 /*************************************************************************
1396  *  MsiEnumComponentQualifiersA [MSI.@]
1397  */
1398 UINT WINAPI MsiEnumComponentQualifiersA( LPCSTR szComponent, DWORD iIndex,
1399                 LPSTR lpQualifierBuf, LPDWORD pcchQualifierBuf,
1400                 LPSTR lpApplicationDataBuf, LPDWORD pcchApplicationDataBuf )
1401 {
1402     awstring qual, appdata;
1403     LPWSTR comp;
1404     UINT r;
1405
1406     TRACE("%s %08x %p %p %p %p\n", debugstr_a(szComponent), iIndex,
1407           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
1408           pcchApplicationDataBuf);
1409
1410     comp = strdupAtoW( szComponent );
1411     if (szComponent && !comp)
1412         return ERROR_OUTOFMEMORY;
1413
1414     qual.unicode = FALSE;
1415     qual.str.a = lpQualifierBuf;
1416
1417     appdata.unicode = FALSE;
1418     appdata.str.a = lpApplicationDataBuf;
1419
1420     r = MSI_EnumComponentQualifiers( comp, iIndex,
1421               &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
1422     msi_free( comp );
1423     return r;
1424 }
1425
1426 /*************************************************************************
1427  *  MsiEnumComponentQualifiersW [MSI.@]
1428  */
1429 UINT WINAPI MsiEnumComponentQualifiersW( LPCWSTR szComponent, DWORD iIndex,
1430                 LPWSTR lpQualifierBuf, LPDWORD pcchQualifierBuf,
1431                 LPWSTR lpApplicationDataBuf, LPDWORD pcchApplicationDataBuf )
1432 {
1433     awstring qual, appdata;
1434
1435     TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
1436           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
1437           pcchApplicationDataBuf);
1438
1439     qual.unicode = TRUE;
1440     qual.str.w = lpQualifierBuf;
1441
1442     appdata.unicode = TRUE;
1443     appdata.str.w = lpApplicationDataBuf;
1444
1445     return MSI_EnumComponentQualifiers( szComponent, iIndex,
1446                  &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
1447 }
1448
1449 /*************************************************************************
1450  *  MsiEnumRelatedProductsW   [MSI.@]
1451  *
1452  */
1453 UINT WINAPI MsiEnumRelatedProductsW(LPCWSTR szUpgradeCode, DWORD dwReserved,
1454                                     DWORD iProductIndex, LPWSTR lpProductBuf)
1455 {
1456     UINT r;
1457     HKEY hkey;
1458     DWORD dwSize = SQUISH_GUID_SIZE;
1459     WCHAR szKeyName[SQUISH_GUID_SIZE];
1460
1461     TRACE("%s %u %u %p\n", debugstr_w(szUpgradeCode), dwReserved,
1462           iProductIndex, lpProductBuf);
1463
1464     if (NULL == szUpgradeCode)
1465         return ERROR_INVALID_PARAMETER;
1466     if (NULL == lpProductBuf)
1467         return ERROR_INVALID_PARAMETER;
1468
1469     r = MSIREG_OpenUpgradeCodesKey(szUpgradeCode, &hkey, FALSE);
1470     if (r != ERROR_SUCCESS)
1471         return ERROR_NO_MORE_ITEMS;
1472
1473     r = RegEnumValueW(hkey, iProductIndex, szKeyName, &dwSize, NULL, NULL, NULL, NULL);
1474     if( r == ERROR_SUCCESS )
1475         unsquash_guid(szKeyName, lpProductBuf);
1476     RegCloseKey(hkey);
1477
1478     return r;
1479 }
1480
1481 /*************************************************************************
1482  *  MsiEnumRelatedProductsA   [MSI.@]
1483  *
1484  */
1485 UINT WINAPI MsiEnumRelatedProductsA(LPCSTR szUpgradeCode, DWORD dwReserved,
1486                                     DWORD iProductIndex, LPSTR lpProductBuf)
1487 {
1488     LPWSTR szwUpgradeCode = NULL;
1489     WCHAR productW[GUID_SIZE];
1490     UINT r;
1491
1492     TRACE("%s %u %u %p\n", debugstr_a(szUpgradeCode), dwReserved,
1493           iProductIndex, lpProductBuf);
1494
1495     if (szUpgradeCode)
1496     {
1497         szwUpgradeCode = strdupAtoW( szUpgradeCode );
1498         if( !szwUpgradeCode )
1499             return ERROR_OUTOFMEMORY;
1500     }
1501
1502     r = MsiEnumRelatedProductsW( szwUpgradeCode, dwReserved,
1503                                  iProductIndex, productW );
1504     if (r == ERROR_SUCCESS)
1505     {
1506         WideCharToMultiByte( CP_ACP, 0, productW, GUID_SIZE,
1507                              lpProductBuf, GUID_SIZE, NULL, NULL );
1508     }
1509     msi_free( szwUpgradeCode);
1510     return r;
1511 }
1512
1513 /***********************************************************************
1514  * MsiEnumPatchesA            [MSI.@]
1515  */
1516 UINT WINAPI MsiEnumPatchesA( LPCSTR szProduct, DWORD iPatchIndex,
1517         LPSTR lpPatchBuf, LPSTR lpTransformsBuf, LPDWORD pcchTransformsBuf)
1518 {
1519     FIXME("%s %d %p %p %p\n", debugstr_a(szProduct),
1520           iPatchIndex, lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
1521     return ERROR_NO_MORE_ITEMS;
1522 }
1523
1524 /***********************************************************************
1525  * MsiEnumPatchesW            [MSI.@]
1526  */
1527 UINT WINAPI MsiEnumPatchesW( LPCWSTR szProduct, DWORD iPatchIndex,
1528         LPWSTR lpPatchBuf, LPWSTR lpTransformsBuf, LPDWORD pcchTransformsBuf)
1529 {
1530     FIXME("%s %d %p %p %p\n", debugstr_w(szProduct),
1531           iPatchIndex, lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
1532     return ERROR_NO_MORE_ITEMS;
1533 }
1534
1535 UINT WINAPI MsiEnumProductsExA( LPCSTR szProductCode, LPCSTR szUserSid,
1536         DWORD dwContext, DWORD dwIndex, CHAR szInstalledProductCode[39],
1537         MSIINSTALLCONTEXT* pdwInstalledContext, LPSTR szSid, LPDWORD pcchSid)
1538 {
1539     FIXME("%s %s %d %d %p %p %p %p\n", debugstr_a(szProductCode), debugstr_a(szUserSid),
1540           dwContext, dwIndex, szInstalledProductCode, pdwInstalledContext,
1541           szSid, pcchSid);
1542     return ERROR_NO_MORE_ITEMS;
1543 }
1544
1545 UINT WINAPI MsiEnumProductsExW( LPCWSTR szProductCode, LPCWSTR szUserSid,
1546         DWORD dwContext, DWORD dwIndex, WCHAR szInstalledProductCode[39],
1547         MSIINSTALLCONTEXT* pdwInstalledContext, LPWSTR szSid, LPDWORD pcchSid)
1548 {
1549     FIXME("%s %s %d %d %p %p %p %p\n", debugstr_w(szProductCode), debugstr_w(szUserSid),
1550           dwContext, dwIndex, szInstalledProductCode, pdwInstalledContext,
1551           szSid, pcchSid);
1552     return ERROR_NO_MORE_ITEMS;
1553 }