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 szInstaller_Features[] = {
  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 'F','e','a','t','u','r','e','s',0 };
  62
  63 static const WCHAR szUserDataFeatures_fmt[] = {
  64 'S','o','f','t','w','a','r','e','\\',
  65 'M','i','c','r','o','s','o','f','t','\\',
  66 'W','i','n','d','o','w','s','\\',
  67 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  68 'I','n','s','t','a','l','l','e','r','\\',
  69 'U','s','e','r','D','a','t','a','\\',
  70 '%','s','\\','P','r','o','d','u','c','t','s','\\',
  71 '%','s','\\','F','e','a','t','u','r','e','s',0};
  72
  73 static const WCHAR szInstaller_Features_fmt[] = {
  74 'S','o','f','t','w','a','r','e','\\',
  75 'M','i','c','r','o','s','o','f','t','\\',
  76 'W','i','n','d','o','w','s','\\',
  77 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  78 'I','n','s','t','a','l','l','e','r','\\',
  79 'F','e','a','t','u','r','e','s','\\',
  80 '%','s',0};
  81
  82 static const WCHAR szInstaller_Components[] = {
  83 'S','o','f','t','w','a','r','e','\\',
  84 'M','i','c','r','o','s','o','f','t','\\',
  85 'W','i','n','d','o','w','s','\\',
  86 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  87 'I','n','s','t','a','l','l','e','r','\\',
  88 'C','o','m','p','o','n','e','n','t','s',0 };
  89
  90 static const WCHAR szInstaller_Components_fmt[] = {
  91 'S','o','f','t','w','a','r','e','\\',
  92 'M','i','c','r','o','s','o','f','t','\\',
  93 'W','i','n','d','o','w','s','\\',
  94 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  95 'I','n','s','t','a','l','l','e','r','\\',
  96 'C','o','m','p','o','n','e','n','t','s','\\',
  97 '%','s',0};
  98
  99 static const WCHAR szUser_Components_fmt[] = {
 100 'S','o','f','t','w','a','r','e','\\',
 101 'M','i','c','r','o','s','o','f','t','\\',
 102 'I','n','s','t','a','l','l','e','r','\\',
 103 'C','o','m','p','o','n','e','n','t','s','\\',
 104 '%','s',0};
 105
 106 static const WCHAR szUserDataComp_fmt[] = {
 107 'S','o','f','t','w','a','r','e','\\',
 108 'M','i','c','r','o','s','o','f','t','\\',
 109 'W','i','n','d','o','w','s','\\',
 110 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 111 'I','n','s','t','a','l','l','e','r','\\',
 112 'U','s','e','r','D','a','t','a','\\',
 113 '%','s','\\','C','o','m','p','o','n','e','n','t','s','\\','%','s',0};
 114
 115 static const WCHAR szUninstall_fmt[] = {
 116 'S','o','f','t','w','a','r','e','\\',
 117 'M','i','c','r','o','s','o','f','t','\\',
 118 'W','i','n','d','o','w','s','\\',
 119 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 120 'U','n','i','n','s','t','a','l','l','\\',
 121 '%','s',0 };
 122
 123 static const WCHAR szUserProduct_fmt[] = {
 124 'S','o','f','t','w','a','r','e','\\',
 125 'M','i','c','r','o','s','o','f','t','\\',
 126 'I','n','s','t','a','l','l','e','r','\\',
 127 'P','r','o','d','u','c','t','s','\\',
 128 '%','s',0};
 129
 130 static const WCHAR szUserPatch_fmt[] = {
 131 'S','o','f','t','w','a','r','e','\\',
 132 'M','i','c','r','o','s','o','f','t','\\',
 133 'I','n','s','t','a','l','l','e','r','\\',
 134 'P','a','t','c','h','e','s','\\',
 135 '%','s',0};
 136
 137 static const WCHAR szInstaller_Products[] = {
 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','r','o','d','u','c','t','s',0};
 144
 145 static const WCHAR szInstaller_Products_fmt[] = {
 146 'S','o','f','t','w','a','r','e','\\',
 147 'M','i','c','r','o','s','o','f','t','\\',
 148 'W','i','n','d','o','w','s','\\',
 149 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 150 'I','n','s','t','a','l','l','e','r','\\',
 151 'P','r','o','d','u','c','t','s','\\',
 152 '%','s',0};
 153
 154 static const WCHAR szInstaller_Patches_fmt[] = {
 155 'S','o','f','t','w','a','r','e','\\',
 156 'M','i','c','r','o','s','o','f','t','\\',
 157 'W','i','n','d','o','w','s','\\',
 158 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 159 'I','n','s','t','a','l','l','e','r','\\',
 160 'P','a','t','c','h','e','s','\\',
 161 '%','s',0};
 162
 163 static const WCHAR szInstaller_UpgradeCodes_fmt[] = {
 164 'S','o','f','t','w','a','r','e','\\',
 165 'M','i','c','r','o','s','o','f','t','\\',
 166 'W','i','n','d','o','w','s','\\',
 167 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 168 'I','n','s','t','a','l','l','e','r','\\',
 169 'U','p','g','r','a','d','e','C','o','d','e','s','\\',
 170 '%','s',0};
 171
 172 static const WCHAR szInstaller_UserUpgradeCodes_fmt[] = {
 173 'S','o','f','t','w','a','r','e','\\',
 174 'M','i','c','r','o','s','o','f','t','\\',
 175 'I','n','s','t','a','l','l','e','r','\\',
 176 'U','p','g','r','a','d','e','C','o','d','e','s','\\',
 177 '%','s',0};
 178
 179 static const WCHAR szUserDataProd_fmt[] = {
 180 'S','o','f','t','w','a','r','e','\\',
 181 'M','i','c','r','o','s','o','f','t','\\',
 182 'W','i','n','d','o','w','s','\\',
 183 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 184 'I','n','s','t','a','l','l','e','r','\\',
 185 'U','s','e','r','D','a','t','a','\\',
 186 '%','s','\\','P','r','o','d','u','c','t','s','\\','%','s',0};
 187
 188 static const WCHAR szInstallProperties_fmt[] = {
 189 'S','o','f','t','w','a','r','e','\\',
 190 'M','i','c','r','o','s','o','f','t','\\',
 191 'W','i','n','d','o','w','s','\\',
 192 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 193 'I','n','s','t','a','l','l','e','r','\\',
 194 'U','s','e','r','D','a','t','a','\\',
 195 '%','s','\\','P','r','o','d','u','c','t','s','\\','%','s','\\',
 196 'I','n','s','t','a','l','l','P','r','o','p','e','r','t','i','e','s',0};
 197
 198 static const WCHAR szInstaller_LocalSystemProductCodes_fmt[] = {
 199 'S','o','f','t','w','a','r','e','\\',
 200 'M','i','c','r','o','s','o','f','t','\\',
 201 'W','i','n','d','o','w','s','\\',
 202 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 203 'I','n','s','t','a','l','l','e','r','\\',
 204 'U','s','e','r','D','a','t','a','\\',
 205 'S','-','1','-','5','-','1','8','\\','P','r','o','d','u','c','t','s','\\',
 206 '%','s','\\','I','n','s','t','a','l','l','P','r','o','p','e','r','t','i','e','s',0};
 207
 208 static const WCHAR szInstaller_LocalSystemComponent_fmt[] = {
 209 'S','o','f','t','w','a','r','e','\\',
 210 'M','i','c','r','o','s','o','f','t','\\',
 211 'W','i','n','d','o','w','s','\\',
 212 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 213 'I','n','s','t','a','l','l','e','r','\\',
 214 'U','s','e','r','D','a','t','a','\\',
 215 'S','-','1','-','5','-','1','8','\\',
 216 'C','o','m','p','o','n','e','n','t','s','\\','%','s',0};
 217
 218 static const WCHAR szInstaller_LocalClassesProd_fmt[] = {
 219 'S','o','f','t','w','a','r','e','\\',
 220 'C','l','a','s','s','e','s','\\',
 221 'I','n','s','t','a','l','l','e','r','\\',
 222 'P','r','o','d','u','c','t','s','\\','%','s',0};
 223
 224 static const WCHAR szInstaller_LocalManagedProd_fmt[] = {
 225 'S','o','f','t','w','a','r','e','\\',
 226 'M','i','c','r','o','s','o','f','t','\\',
 227 'W','i','n','d','o','w','s','\\',
 228 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 229 'I','n','s','t','a','l','l','e','r','\\',
 230 'M','a','n','a','g','e','d','\\','%','s','\\',
 231 'I','n','s','t','a','l','l','e','r','\\',
 232 'P','r','o','d','u','c','t','s','\\','%','s',0};
 233
 234 #define SQUISH_GUID_SIZE 33
 235
 236 BOOL unsquash_guid(LPCWSTR in, LPWSTR out)
 237 {
 238     DWORD i,n=0;
 239
 240     out[n++]='{';
 241     for(i=0; i<8; i++)
 242         out[n++] = in[7-i];
 243     out[n++]='-';
 244     for(i=0; i<4; i++)
 245         out[n++] = in[11-i];
 246     out[n++]='-';
 247     for(i=0; i<4; i++)
 248         out[n++] = in[15-i];
 249     out[n++]='-';
 250     for(i=0; i<2; i++)
 251     {
 252         out[n++] = in[17+i*2];
 253         out[n++] = in[16+i*2];
 254     }
 255     out[n++]='-';
 256     for( ; i<8; i++)
 257     {
 258         out[n++] = in[17+i*2];
 259         out[n++] = in[16+i*2];
 260     }
 261     out[n++]='}';
 262     out[n]=0;
 263     return TRUE;
 264 }
 265
 266 BOOL squash_guid(LPCWSTR in, LPWSTR out)
 267 {
 268     DWORD i,n=1;
 269     GUID guid;
 270
 271     out[0] = 0;
 272
 273     if (FAILED(CLSIDFromString((LPOLESTR)in, &guid)))
 274         return FALSE;
 275
 276     for(i=0; i<8; i++)
 277         out[7-i] = in[n++];
 278     n++;
 279     for(i=0; i<4; i++)
 280         out[11-i] = in[n++];
 281     n++;
 282     for(i=0; i<4; i++)
 283         out[15-i] = in[n++];
 284     n++;
 285     for(i=0; i<2; i++)
 286     {
 287         out[17+i*2] = in[n++];
 288         out[16+i*2] = in[n++];
 289     }
 290     n++;
 291     for( ; i<8; i++)
 292     {
 293         out[17+i*2] = in[n++];
 294         out[16+i*2] = in[n++];
 295     }
 296     out[32]=0;
 297     return TRUE;
 298 }
 299
 300
 301 /* tables for encoding and decoding base85 */
 302 static const unsigned char table_dec85[0x80] = {
 303 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 304 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 305 0xff,0x00,0xff,0xff,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0xff,
 306 0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0xff,0xff,0xff,0x16,0xff,0x17,
 307 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
 308 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0xff,0x34,0x35,0x36,
 309 0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,
 310 0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xff,0x53,0x54,0xff,
 311 };
 312
 313 static const char table_enc85[] =
 314 "!$%&'()*+,-.0123456789=?@ABCDEFGHIJKLMNO"
 315 "PQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwx"
 316 "yz{}~";
 317
 318 /*
 319  *  Converts a base85 encoded guid into a GUID pointer
 320  *  Base85 encoded GUIDs should be 20 characters long.
 321  *
 322  *  returns TRUE if successful, FALSE if not
 323  */
 324 BOOL decode_base85_guid( LPCWSTR str, GUID *guid )
 325 {
 326     DWORD i, val = 0, base = 1, *p;
 327
 328     if (!str)
 329         return FALSE;
 330
 331     p = (DWORD*) guid;
 332     for( i=0; i<20; i++ )
 333     {
 334         if( (i%5) == 0 )
 335         {
 336             val = 0;
 337             base = 1;
 338         }
 339         val += table_dec85[str[i]] * base;
 340         if( str[i] >= 0x80 )
 341             return FALSE;
 342         if( table_dec85[str[i]] == 0xff )
 343             return FALSE;
 344         if( (i%5) == 4 )
 345             p[i/5] = val;
 346         base *= 85;
 347     }
 348     return TRUE;
 349 }
 350
 351 /*
 352  *  Encodes a base85 guid given a GUID pointer
 353  *  Caller should provide a 21 character buffer for the encoded string.
 354  *
 355  *  returns TRUE if successful, FALSE if not
 356  */
 357 BOOL encode_base85_guid( GUID *guid, LPWSTR str )
 358 {
 359     unsigned int x, *p, i;
 360
 361     p = (unsigned int*) guid;
 362     for( i=0; i<4; i++ )
 363     {
 364         x = p[i];
 365         *str++ = table_enc85[x%85];
 366         x = x/85;
 367         *str++ = table_enc85[x%85];
 368         x = x/85;
 369         *str++ = table_enc85[x%85];
 370         x = x/85;
 371         *str++ = table_enc85[x%85];
 372         x = x/85;
 373         *str++ = table_enc85[x%85];
 374     }
 375     *str = 0;
 376
 377     return TRUE;
 378 }
 379
 380 DWORD msi_version_str_to_dword(LPCWSTR p)
 381 {
 382     DWORD major, minor = 0, build = 0, version = 0;
 383
 384     if (!p)
 385         return version;
 386
 387     major = atoiW(p);
 388
 389     p = strchrW(p, '.');
 390     if (p)
 391     {
 392         minor = atoiW(p+1);
 393         p = strchrW(p+1, '.');
 394         if (p)
 395             build = atoiW(p+1);
 396     }
 397
 398     return MAKELONG(build, MAKEWORD(minor, major));
 399 }
 400
 401 LPWSTR msi_version_dword_to_str(DWORD version)
 402 {
 403     const WCHAR fmt[] = { '%','u','.','%','u','.','%','u',0 };
 404     LPWSTR str = msi_alloc(20);
 405     sprintfW(str, fmt,
 406              (version&0xff000000)>>24,
 407              (version&0x00ff0000)>>16,
 408               version&0x0000ffff);
 409     return str;
 410 }
 411
 412 LONG msi_reg_set_val_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
 413 {
 414     DWORD len = value ? (lstrlenW(value) + 1) * sizeof (WCHAR) : 0;
 415     return RegSetValueExW( hkey, name, 0, REG_SZ, (const BYTE *)value, len );
 416 }
 417
 418 LONG msi_reg_set_val_multi_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
 419 {
 420     LPCWSTR p = value;
 421     while (*p) p += lstrlenW(p) + 1;
 422     return RegSetValueExW( hkey, name, 0, REG_MULTI_SZ,
 423                            (const BYTE *)value, (p + 1 - value) * sizeof(WCHAR) );
 424 }
 425
 426 LONG msi_reg_set_val_dword( HKEY hkey, LPCWSTR name, DWORD val )
 427 {
 428     return RegSetValueExW( hkey, name, 0, REG_DWORD, (LPBYTE)&val, sizeof (DWORD) );
 429 }
 430
 431 LONG msi_reg_set_subkey_val( HKEY hkey, LPCWSTR path, LPCWSTR name, LPCWSTR val )
 432 {
 433     HKEY hsubkey = 0;
 434     LONG r;
 435
 436     r = RegCreateKeyW( hkey, path, &hsubkey );
 437     if (r != ERROR_SUCCESS)
 438         return r;
 439     r = msi_reg_set_val_str( hsubkey, name, val );
 440     RegCloseKey( hsubkey );
 441     return r;
 442 }
 443
 444 LPWSTR msi_reg_get_val_str( HKEY hkey, LPCWSTR name )
 445 {
 446     DWORD len = 0;
 447     LPWSTR val;
 448     LONG r;
 449
 450     r = RegQueryValueExW(hkey, name, NULL, NULL, NULL, &len);
 451     if (r != ERROR_SUCCESS)
 452         return NULL;
 453
 454     len += sizeof (WCHAR);
 455     val = msi_alloc( len );
 456     if (!val)
 457         return NULL;
 458     val[0] = 0;
 459     RegQueryValueExW(hkey, name, NULL, NULL, (LPBYTE) val, &len);
 460     return val;
 461 }
 462
 463 BOOL msi_reg_get_val_dword( HKEY hkey, LPCWSTR name, DWORD *val)
 464 {
 465     DWORD type, len = sizeof (DWORD);
 466     LONG r = RegQueryValueExW(hkey, name, NULL, &type, (LPBYTE) val, &len);
 467     return r == ERROR_SUCCESS && type == REG_DWORD;
 468 }
 469
 470 static UINT get_user_sid(LPWSTR *usersid)
 471 {
 472     HANDLE token;
 473     BYTE buf[1024];
 474     DWORD size;
 475     PTOKEN_USER user;
 476
 477     if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &token))
 478         return ERROR_FUNCTION_FAILED;
 479
 480     size = sizeof(buf);
 481     if (!GetTokenInformation(token, TokenUser, (void *)buf, size, &size))
 482         return ERROR_FUNCTION_FAILED;
 483
 484     user = (PTOKEN_USER)buf;
 485     if (!ConvertSidToStringSidW(user->User.Sid, usersid))
 486         return ERROR_FUNCTION_FAILED;
 487
 488     return ERROR_SUCCESS;
 489 }
 490
 491 UINT MSIREG_OpenUninstallKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 492 {
 493     UINT rc;
 494     WCHAR keypath[0x200];
 495     TRACE("%s\n",debugstr_w(szProduct));
 496
 497     sprintfW(keypath,szUninstall_fmt,szProduct);
 498
 499     if (create)
 500         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 501     else
 502         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 503
 504     return rc;
 505 }
 506
 507 UINT MSIREG_DeleteUninstallKey(LPCWSTR szProduct)
 508 {
 509     WCHAR keypath[0x200];
 510     TRACE("%s\n",debugstr_w(szProduct));
 511
 512     sprintfW(keypath,szUninstall_fmt,szProduct);
 513
 514     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 515 }
 516
 517 UINT MSIREG_OpenUserProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 518 {
 519     UINT rc;
 520     WCHAR squished_pc[GUID_SIZE];
 521     WCHAR keypath[0x200];
 522
 523     TRACE("%s\n",debugstr_w(szProduct));
 524     if (!squash_guid(szProduct,squished_pc))
 525         return ERROR_FUNCTION_FAILED;
 526     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 527
 528     sprintfW(keypath,szUserProduct_fmt,squished_pc);
 529
 530     if (create)
 531         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 532     else
 533         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 534
 535     return rc;
 536 }
 537
 538 UINT MSIREG_DeleteUserProductKey(LPCWSTR szProduct)
 539 {
 540     WCHAR squished_pc[GUID_SIZE];
 541     WCHAR keypath[0x200];
 542
 543     TRACE("%s\n",debugstr_w(szProduct));
 544     if (!squash_guid(szProduct,squished_pc))
 545         return ERROR_FUNCTION_FAILED;
 546     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 547
 548     sprintfW(keypath,szUserProduct_fmt,squished_pc);
 549
 550     return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
 551 }
 552
 553 UINT MSIREG_OpenUserPatchesKey(LPCWSTR szPatch, HKEY* key, BOOL create)
 554 {
 555     UINT rc;
 556     WCHAR squished_pc[GUID_SIZE];
 557     WCHAR keypath[0x200];
 558
 559     TRACE("%s\n",debugstr_w(szPatch));
 560     if (!squash_guid(szPatch,squished_pc))
 561         return ERROR_FUNCTION_FAILED;
 562     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 563
 564     sprintfW(keypath,szUserPatch_fmt,squished_pc);
 565
 566     if (create)
 567         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 568     else
 569         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 570
 571     return rc;
 572 }
 573
 574 UINT MSIREG_OpenUserFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 575 {
 576     UINT rc;
 577     WCHAR squished_pc[GUID_SIZE];
 578     WCHAR keypath[0x200];
 579
 580     TRACE("%s\n",debugstr_w(szProduct));
 581     if (!squash_guid(szProduct,squished_pc))
 582         return ERROR_FUNCTION_FAILED;
 583     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 584
 585     sprintfW(keypath,szUserFeatures_fmt,squished_pc);
 586
 587     if (create)
 588         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 589     else
 590         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 591
 592     return rc;
 593 }
 594
 595 UINT MSIREG_DeleteUserFeaturesKey(LPCWSTR szProduct)
 596 {
 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,szUserFeatures_fmt,squished_pc);
 606     return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
 607 }
 608
 609 UINT MSIREG_OpenFeatures(HKEY* key)
 610 {
 611     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Features,key);
 612 }
 613
 614 UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 615 {
 616     UINT rc;
 617     WCHAR squished_pc[GUID_SIZE];
 618     WCHAR keypath[0x200];
 619
 620     TRACE("%s\n",debugstr_w(szProduct));
 621     if (!squash_guid(szProduct,squished_pc))
 622         return ERROR_FUNCTION_FAILED;
 623     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 624
 625     sprintfW(keypath,szInstaller_Features_fmt,squished_pc);
 626
 627     if (create)
 628         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 629     else
 630         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 631
 632     return rc;
 633 }
 634
 635 UINT MSIREG_OpenUserDataFeaturesKey(LPCWSTR szProduct, HKEY *key, BOOL create)
 636 {
 637     UINT rc;
 638     WCHAR squished_pc[GUID_SIZE];
 639     WCHAR keypath[0x200];
 640     LPWSTR usersid;
 641
 642     TRACE("%s\n", debugstr_w(szProduct));
 643     if (!squash_guid(szProduct, squished_pc))
 644         return ERROR_FUNCTION_FAILED;
 645     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 646
 647     rc = get_user_sid(&usersid);
 648     if (rc != ERROR_SUCCESS || !usersid)
 649     {
 650         ERR("Failed to retrieve user SID: %d\n", rc);
 651         return rc;
 652     }
 653
 654     sprintfW(keypath, szUserDataFeatures_fmt, usersid, squished_pc);
 655
 656     if (create)
 657         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 658     else
 659         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 660
 661     msi_free(usersid);
 662     return rc;
 663 }
 664
 665 UINT MSIREG_OpenComponents(HKEY* key)
 666 {
 667     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Components,key);
 668 }
 669
 670 UINT MSIREG_OpenComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 671 {
 672     UINT rc;
 673     WCHAR squished_cc[GUID_SIZE];
 674     WCHAR keypath[0x200];
 675
 676     TRACE("%s\n",debugstr_w(szComponent));
 677     if (!squash_guid(szComponent,squished_cc))
 678         return ERROR_FUNCTION_FAILED;
 679     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 680
 681     sprintfW(keypath,szInstaller_Components_fmt,squished_cc);
 682
 683     if (create)
 684         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 685     else
 686         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 687
 688     return rc;
 689 }
 690
 691 UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create)
 692 {
 693     UINT rc;
 694     WCHAR squished_cc[GUID_SIZE];
 695     WCHAR keypath[0x200];
 696
 697     TRACE("%s\n",debugstr_w(szComponent));
 698     if (!squash_guid(szComponent,squished_cc))
 699         return ERROR_FUNCTION_FAILED;
 700     TRACE("squished (%s)\n", debugstr_w(squished_cc));
 701
 702     sprintfW(keypath,szUser_Components_fmt,squished_cc);
 703
 704     if (create)
 705         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 706     else
 707         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 708
 709     return rc;
 710 }
 711
 712 UINT MSIREG_OpenUserDataComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create)
 713 {
 714     UINT rc;
 715     WCHAR comp[GUID_SIZE];
 716     WCHAR keypath[0x200];
 717     LPWSTR usersid;
 718
 719     TRACE("%s\n", debugstr_w(szComponent));
 720     if (!squash_guid(szComponent, comp))
 721         return ERROR_FUNCTION_FAILED;
 722     TRACE("squished (%s)\n", debugstr_w(comp));
 723
 724     rc = get_user_sid(&usersid);
 725     if (rc != ERROR_SUCCESS || !usersid)
 726     {
 727         ERR("Failed to retrieve user SID: %d\n", rc);
 728         return rc;
 729     }
 730
 731     sprintfW(keypath, szUserDataComp_fmt, usersid, comp);
 732
 733     if (create)
 734         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 735     else
 736         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 737
 738     msi_free(usersid);
 739     return rc;
 740 }
 741
 742 UINT MSIREG_DeleteUserDataComponentKey(LPCWSTR szComponent)
 743 {
 744     UINT rc;
 745     WCHAR comp[GUID_SIZE];
 746     WCHAR keypath[0x200];
 747     LPWSTR usersid;
 748
 749     TRACE("%s\n", debugstr_w(szComponent));
 750     if (!squash_guid(szComponent, comp))
 751         return ERROR_FUNCTION_FAILED;
 752     TRACE("squished (%s)\n", debugstr_w(comp));
 753
 754     rc = get_user_sid(&usersid);
 755     if (rc != ERROR_SUCCESS || !usersid)
 756     {
 757         ERR("Failed to retrieve user SID: %d\n", rc);
 758         return rc;
 759     }
 760
 761     sprintfW(keypath, szUserDataComp_fmt, usersid, comp);
 762
 763     msi_free(usersid);
 764     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 765 }
 766
 767 UINT MSIREG_OpenUserDataProductKey(LPCWSTR szProduct, HKEY *key, BOOL create)
 768 {
 769     UINT rc;
 770     WCHAR squished_pc[GUID_SIZE];
 771     WCHAR keypath[0x200];
 772     LPWSTR usersid;
 773
 774     TRACE("%s\n", debugstr_w(szProduct));
 775     if (!squash_guid(szProduct, squished_pc))
 776         return ERROR_FUNCTION_FAILED;
 777     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 778
 779     rc = get_user_sid(&usersid);
 780     if (rc != ERROR_SUCCESS || !usersid)
 781     {
 782         ERR("Failed to retrieve user SID: %d\n", rc);
 783         return rc;
 784     }
 785
 786     sprintfW(keypath, szUserDataProd_fmt, usersid, squished_pc);
 787
 788     if (create)
 789         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 790     else
 791         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 792
 793     msi_free(usersid);
 794     return rc;
 795 }
 796
 797 UINT MSIREG_OpenInstallPropertiesKey(LPCWSTR szProduct, HKEY *key, BOOL create)
 798 {
 799     UINT rc;
 800     WCHAR squished_pc[GUID_SIZE];
 801     WCHAR keypath[0x200];
 802     LPWSTR usersid;
 803
 804     TRACE("%s\n", debugstr_w(szProduct));
 805     if (!squash_guid(szProduct, squished_pc))
 806         return ERROR_FUNCTION_FAILED;
 807     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 808
 809     rc = get_user_sid(&usersid);
 810     if (rc != ERROR_SUCCESS || !usersid)
 811     {
 812         ERR("Failed to retrieve user SID: %d\n", rc);
 813         return rc;
 814     }
 815
 816     sprintfW(keypath, szInstallProperties_fmt, usersid, squished_pc);
 817
 818     if (create)
 819         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 820     else
 821         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 822
 823     msi_free(usersid);
 824     return rc;
 825 }
 826
 827 UINT MSIREG_DeleteUserDataProductKey(LPCWSTR szProduct)
 828 {
 829     UINT rc;
 830     WCHAR squished_pc[GUID_SIZE];
 831     WCHAR keypath[0x200];
 832     LPWSTR usersid;
 833
 834     TRACE("%s\n", debugstr_w(szProduct));
 835     if (!squash_guid(szProduct, squished_pc))
 836         return ERROR_FUNCTION_FAILED;
 837     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 838
 839     rc = get_user_sid(&usersid);
 840     if (rc != ERROR_SUCCESS || !usersid)
 841     {
 842         ERR("Failed to retrieve user SID: %d\n", rc);
 843         return rc;
 844     }
 845
 846     sprintfW(keypath, szUserDataProd_fmt, usersid, squished_pc);
 847
 848     msi_free(usersid);
 849     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 850 }
 851
 852 UINT MSIREG_OpenProducts(HKEY* key)
 853 {
 854     return RegCreateKeyW(HKEY_LOCAL_MACHINE,szInstaller_Products,key);
 855 }
 856
 857 UINT MSIREG_OpenProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create)
 858 {
 859     UINT rc;
 860     WCHAR squished_pc[GUID_SIZE];
 861     WCHAR keypath[0x200];
 862
 863     TRACE("%s\n",debugstr_w(szProduct));
 864     if (!squash_guid(szProduct,squished_pc))
 865         return ERROR_FUNCTION_FAILED;
 866     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 867
 868     sprintfW(keypath,szInstaller_Products_fmt,squished_pc);
 869
 870     if (create)
 871         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 872     else
 873         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 874
 875     return rc;
 876 }
 877
 878 UINT MSIREG_DeleteProductKey(LPCWSTR szProduct)
 879 {
 880     WCHAR squished_pc[GUID_SIZE];
 881     WCHAR keypath[0x200];
 882
 883     TRACE("%s\n", debugstr_w(szProduct));
 884     if (!squash_guid(szProduct, squished_pc))
 885         return ERROR_FUNCTION_FAILED;
 886     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 887
 888     sprintfW(keypath, szInstaller_Products_fmt, squished_pc);
 889
 890     return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
 891 }
 892
 893 UINT MSIREG_OpenPatchesKey(LPCWSTR szPatch, HKEY* key, BOOL create)
 894 {
 895     UINT rc;
 896     WCHAR squished_pc[GUID_SIZE];
 897     WCHAR keypath[0x200];
 898
 899     TRACE("%s\n",debugstr_w(szPatch));
 900     if (!squash_guid(szPatch,squished_pc))
 901         return ERROR_FUNCTION_FAILED;
 902     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 903
 904     sprintfW(keypath,szInstaller_Patches_fmt,squished_pc);
 905
 906     if (create)
 907         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 908     else
 909         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 910
 911     return rc;
 912 }
 913
 914 UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 915 {
 916     UINT rc;
 917     WCHAR squished_pc[GUID_SIZE];
 918     WCHAR keypath[0x200];
 919
 920     TRACE("%s\n",debugstr_w(szUpgradeCode));
 921     if (!squash_guid(szUpgradeCode,squished_pc))
 922         return ERROR_FUNCTION_FAILED;
 923     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 924
 925     sprintfW(keypath,szInstaller_UpgradeCodes_fmt,squished_pc);
 926
 927     if (create)
 928         rc = RegCreateKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 929     else
 930         rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,keypath,key);
 931
 932     return rc;
 933 }
 934
 935 UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
 936 {
 937     UINT rc;
 938     WCHAR squished_pc[GUID_SIZE];
 939     WCHAR keypath[0x200];
 940
 941     TRACE("%s\n",debugstr_w(szUpgradeCode));
 942     if (!squash_guid(szUpgradeCode,squished_pc))
 943         return ERROR_FUNCTION_FAILED;
 944     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 945
 946     sprintfW(keypath,szInstaller_UserUpgradeCodes_fmt,squished_pc);
 947
 948     if (create)
 949         rc = RegCreateKeyW(HKEY_CURRENT_USER,keypath,key);
 950     else
 951         rc = RegOpenKeyW(HKEY_CURRENT_USER,keypath,key);
 952
 953     return rc;
 954 }
 955
 956 UINT MSIREG_OpenLocalSystemProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create)
 957 {
 958     WCHAR squished_pc[GUID_SIZE];
 959     WCHAR keypath[0x200];
 960
 961     TRACE("%s\n", debugstr_w(szProductCode));
 962
 963     if (!squash_guid(szProductCode, squished_pc))
 964         return ERROR_FUNCTION_FAILED;
 965
 966     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 967
 968     sprintfW(keypath, szInstaller_LocalSystemProductCodes_fmt, squished_pc);
 969
 970     if (create)
 971         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 972
 973     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 974 }
 975
 976 UINT MSIREG_OpenLocalSystemComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create)
 977 {
 978     WCHAR squished_pc[GUID_SIZE];
 979     WCHAR keypath[0x200];
 980
 981     TRACE("%s\n", debugstr_w(szComponent));
 982
 983     if (!squash_guid(szComponent, squished_pc))
 984         return ERROR_FUNCTION_FAILED;
 985
 986     TRACE("squished (%s)\n", debugstr_w(squished_pc));
 987
 988     sprintfW(keypath, szInstaller_LocalSystemComponent_fmt, squished_pc);
 989
 990     if (create)
 991         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 992
 993     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
 994 }
 995
 996 UINT MSIREG_OpenLocalClassesProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create)
 997 {
 998     WCHAR squished_pc[GUID_SIZE];
 999     WCHAR keypath[0x200];
1000
1001     TRACE("%s\n", debugstr_w(szProductCode));
1002
1003     if (!squash_guid(szProductCode, squished_pc))
1004         return ERROR_FUNCTION_FAILED;
1005
1006     TRACE("squished (%s)\n", debugstr_w(squished_pc));
1007
1008     sprintfW(keypath, szInstaller_LocalClassesProd_fmt, squished_pc);
1009
1010     if (create)
1011         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
1012
1013     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
1014 }
1015
1016 UINT MSIREG_OpenLocalManagedProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create)
1017 {
1018     WCHAR squished_pc[GUID_SIZE];
1019     WCHAR keypath[0x200];
1020     LPWSTR usersid;
1021     UINT r;
1022
1023     TRACE("%s\n", debugstr_w(szProductCode));
1024
1025     if (!squash_guid(szProductCode, squished_pc))
1026         return ERROR_FUNCTION_FAILED;
1027
1028     TRACE("squished (%s)\n", debugstr_w(squished_pc));
1029
1030     r = get_user_sid(&usersid);
1031     if (r != ERROR_SUCCESS || !usersid)
1032     {
1033         ERR("Failed to retrieve user SID: %d\n", r);
1034         return r;
1035     }
1036
1037     sprintfW(keypath, szInstaller_LocalManagedProd_fmt, usersid, squished_pc);
1038     msi_free(usersid);
1039
1040     if (create)
1041         return RegCreateKeyW(HKEY_LOCAL_MACHINE, keypath, key);
1042
1043     return RegOpenKeyW(HKEY_LOCAL_MACHINE, keypath, key);
1044 }
1045
1046 /*************************************************************************
1047  *  MsiDecomposeDescriptorW   [MSI.@]
1048  *
1049  * Decomposes an MSI descriptor into product, feature and component parts.
1050  * An MSI descriptor is a string of the form:
1051  *   [base 85 guid] [feature code] '>' [base 85 guid]
1052  *
1053  * PARAMS
1054  *   szDescriptor  [I]  the descriptor to decompose
1055  *   szProduct     [O]  buffer of MAX_FEATURE_CHARS+1 for the product guid
1056  *   szFeature     [O]  buffer of MAX_FEATURE_CHARS+1 for the feature code
1057  *   szComponent   [O]  buffer of MAX_FEATURE_CHARS+1 for the component guid
1058  *   pUsed         [O]  the length of the descriptor
1059  *
1060  * RETURNS
1061  *   ERROR_SUCCESS             if everything worked correctly
1062  *   ERROR_INVALID_PARAMETER   if the descriptor was invalid
1063  *
1064  */
1065 UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR szDescriptor, LPWSTR szProduct,
1066                 LPWSTR szFeature, LPWSTR szComponent, LPDWORD pUsed )
1067 {
1068     UINT r, len;
1069     LPWSTR p;
1070     GUID product, component;
1071
1072     TRACE("%s %p %p %p %p\n", debugstr_w(szDescriptor), szProduct,
1073           szFeature, szComponent, pUsed);
1074
1075     r = decode_base85_guid( szDescriptor, &product );
1076     if( !r )
1077         return ERROR_INVALID_PARAMETER;
1078
1079     TRACE("product %s\n", debugstr_guid( &product ));
1080
1081     p = strchrW(&szDescriptor[20],'>');
1082     if( !p )
1083         return ERROR_INVALID_PARAMETER;
1084
1085     len = (p - &szDescriptor[20]);
1086     if( len > MAX_FEATURE_CHARS )
1087         return ERROR_INVALID_PARAMETER;
1088
1089     TRACE("feature %s\n", debugstr_wn( &szDescriptor[20], len ));
1090
1091     r = decode_base85_guid( p+1, &component );
1092     if( !r )
1093         return ERROR_INVALID_PARAMETER;
1094
1095     TRACE("component %s\n", debugstr_guid( &component ));
1096
1097     if (szProduct)
1098         StringFromGUID2( &product, szProduct, MAX_FEATURE_CHARS+1 );
1099     if (szComponent)
1100         StringFromGUID2( &component, szComponent, MAX_FEATURE_CHARS+1 );
1101     if (szFeature)
1102     {
1103         memcpy( szFeature, &szDescriptor[20], len*sizeof(WCHAR) );
1104         szFeature[len] = 0;
1105     }
1106     len = ( &p[21] - szDescriptor );
1107
1108     TRACE("length = %d\n", len);
1109     *pUsed = len;
1110
1111     return ERROR_SUCCESS;
1112 }
1113
1114 UINT WINAPI MsiDecomposeDescriptorA( LPCSTR szDescriptor, LPSTR szProduct,
1115                 LPSTR szFeature, LPSTR szComponent, LPDWORD pUsed )
1116 {
1117     WCHAR product[MAX_FEATURE_CHARS+1];
1118     WCHAR feature[MAX_FEATURE_CHARS+1];
1119     WCHAR component[MAX_FEATURE_CHARS+1];
1120     LPWSTR str = NULL, p = NULL, f = NULL, c = NULL;
1121     UINT r;
1122
1123     TRACE("%s %p %p %p %p\n", debugstr_a(szDescriptor), szProduct,
1124           szFeature, szComponent, pUsed);
1125
1126     str = strdupAtoW( szDescriptor );
1127     if( szDescriptor && !str )
1128         return ERROR_OUTOFMEMORY;
1129
1130     if (szProduct)
1131         p = product;
1132     if (szFeature)
1133         f = feature;
1134     if (szComponent)
1135         c = component;
1136
1137     r = MsiDecomposeDescriptorW( str, p, f, c, pUsed );
1138
1139     if (r == ERROR_SUCCESS)
1140     {
1141         WideCharToMultiByte( CP_ACP, 0, p, -1,
1142                              szProduct, MAX_FEATURE_CHARS+1, NULL, NULL );
1143         WideCharToMultiByte( CP_ACP, 0, f, -1,
1144                              szFeature, MAX_FEATURE_CHARS+1, NULL, NULL );
1145         WideCharToMultiByte( CP_ACP, 0, c, -1,
1146                              szComponent, MAX_FEATURE_CHARS+1, NULL, NULL );
1147     }
1148
1149     msi_free( str );
1150
1151     return r;
1152 }
1153
1154 UINT WINAPI MsiEnumProductsA(DWORD index, LPSTR lpguid)
1155 {
1156     DWORD r;
1157     WCHAR szwGuid[GUID_SIZE];
1158
1159     TRACE("%d %p\n", index, lpguid);
1160
1161     if (NULL == lpguid)
1162         return ERROR_INVALID_PARAMETER;
1163     r = MsiEnumProductsW(index, szwGuid);
1164     if( r == ERROR_SUCCESS )
1165         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
1166
1167     return r;
1168 }
1169
1170 UINT WINAPI MsiEnumProductsW(DWORD index, LPWSTR lpguid)
1171 {
1172     HKEY hkeyProducts = 0;
1173     DWORD r;
1174     WCHAR szKeyName[SQUISH_GUID_SIZE];
1175
1176     TRACE("%d %p\n", index, lpguid);
1177
1178     if (NULL == lpguid)
1179         return ERROR_INVALID_PARAMETER;
1180
1181     r = MSIREG_OpenProducts(&hkeyProducts);
1182     if( r != ERROR_SUCCESS )
1183         return ERROR_NO_MORE_ITEMS;
1184
1185     r = RegEnumKeyW(hkeyProducts, index, szKeyName, SQUISH_GUID_SIZE);
1186     if( r == ERROR_SUCCESS )
1187         unsquash_guid(szKeyName, lpguid);
1188     RegCloseKey(hkeyProducts);
1189
1190     return r;
1191 }
1192
1193 UINT WINAPI MsiEnumFeaturesA(LPCSTR szProduct, DWORD index,
1194       LPSTR szFeature, LPSTR szParent)
1195 {
1196     DWORD r;
1197     WCHAR szwFeature[GUID_SIZE], szwParent[GUID_SIZE];
1198     LPWSTR szwProduct = NULL;
1199
1200     TRACE("%s %d %p %p\n", debugstr_a(szProduct), index, szFeature, szParent);
1201
1202     if( szProduct )
1203     {
1204         szwProduct = strdupAtoW( szProduct );
1205         if( !szwProduct )
1206             return ERROR_OUTOFMEMORY;
1207     }
1208
1209     r = MsiEnumFeaturesW(szwProduct, index, szwFeature, szwParent);
1210     if( r == ERROR_SUCCESS )
1211     {
1212         WideCharToMultiByte(CP_ACP, 0, szwFeature, -1,
1213                             szFeature, GUID_SIZE, NULL, NULL);
1214         WideCharToMultiByte(CP_ACP, 0, szwParent, -1,
1215                             szParent, GUID_SIZE, NULL, NULL);
1216     }
1217
1218     msi_free( szwProduct);
1219
1220     return r;
1221 }
1222
1223 UINT WINAPI MsiEnumFeaturesW(LPCWSTR szProduct, DWORD index,
1224       LPWSTR szFeature, LPWSTR szParent)
1225 {
1226     HKEY hkeyProduct = 0;
1227     DWORD r, sz;
1228
1229     TRACE("%s %d %p %p\n", debugstr_w(szProduct), index, szFeature, szParent);
1230
1231     if( !szProduct )
1232         return ERROR_INVALID_PARAMETER;
1233
1234     r = MSIREG_OpenFeaturesKey(szProduct,&hkeyProduct,FALSE);
1235     if( r != ERROR_SUCCESS )
1236         return ERROR_NO_MORE_ITEMS;
1237
1238     sz = GUID_SIZE;
1239     r = RegEnumValueW(hkeyProduct, index, szFeature, &sz, NULL, NULL, NULL, NULL);
1240     RegCloseKey(hkeyProduct);
1241
1242     return r;
1243 }
1244
1245 UINT WINAPI MsiEnumComponentsA(DWORD index, LPSTR lpguid)
1246 {
1247     DWORD r;
1248     WCHAR szwGuid[GUID_SIZE];
1249
1250     TRACE("%d %p\n", index, lpguid);
1251
1252     r = MsiEnumComponentsW(index, szwGuid);
1253     if( r == ERROR_SUCCESS )
1254         WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
1255
1256     return r;
1257 }
1258
1259 UINT WINAPI MsiEnumComponentsW(DWORD index, LPWSTR lpguid)
1260 {
1261     HKEY hkeyComponents = 0;
1262     DWORD r;
1263     WCHAR szKeyName[SQUISH_GUID_SIZE];
1264
1265     TRACE("%d %p\n", index, lpguid);
1266
1267     r = MSIREG_OpenComponents(&hkeyComponents);
1268     if( r != ERROR_SUCCESS )
1269         return ERROR_NO_MORE_ITEMS;
1270
1271     r = RegEnumKeyW(hkeyComponents, index, szKeyName, SQUISH_GUID_SIZE);
1272     if( r == ERROR_SUCCESS )
1273         unsquash_guid(szKeyName, lpguid);
1274     RegCloseKey(hkeyComponents);
1275
1276     return r;
1277 }
1278
1279 UINT WINAPI MsiEnumClientsA(LPCSTR szComponent, DWORD index, LPSTR szProduct)
1280 {
1281     DWORD r;
1282     WCHAR szwProduct[GUID_SIZE];
1283     LPWSTR szwComponent = NULL;
1284
1285     TRACE("%s %d %p\n", debugstr_a(szComponent), index, szProduct);
1286
1287     if ( !szProduct )
1288         return ERROR_INVALID_PARAMETER;
1289
1290     if( szComponent )
1291     {
1292         szwComponent = strdupAtoW( szComponent );
1293         if( !szwComponent )
1294             return ERROR_OUTOFMEMORY;
1295     }
1296
1297     r = MsiEnumClientsW(szComponent?szwComponent:NULL, index, szwProduct);
1298     if( r == ERROR_SUCCESS )
1299     {
1300         WideCharToMultiByte(CP_ACP, 0, szwProduct, -1,
1301                             szProduct, GUID_SIZE, NULL, NULL);
1302     }
1303
1304     msi_free( szwComponent);
1305
1306     return r;
1307 }
1308
1309 UINT WINAPI MsiEnumClientsW(LPCWSTR szComponent, DWORD index, LPWSTR szProduct)
1310 {
1311     HKEY hkeyComp = 0;
1312     DWORD r, sz;
1313     WCHAR szValName[SQUISH_GUID_SIZE];
1314
1315     TRACE("%s %d %p\n", debugstr_w(szComponent), index, szProduct);
1316
1317     if (!szComponent || !*szComponent || !szProduct)
1318         return ERROR_INVALID_PARAMETER;
1319
1320     if (MSIREG_OpenUserDataComponentKey(szComponent, &hkeyComp, FALSE) != ERROR_SUCCESS &&
1321         MSIREG_OpenLocalSystemComponentKey(szComponent, &hkeyComp, FALSE) != ERROR_SUCCESS)
1322         return ERROR_UNKNOWN_COMPONENT;
1323
1324     /* see if there are any products at all */
1325     sz = SQUISH_GUID_SIZE;
1326     r = RegEnumValueW(hkeyComp, 0, szValName, &sz, NULL, NULL, NULL, NULL);
1327     if (r != ERROR_SUCCESS)
1328     {
1329         RegCloseKey(hkeyComp);
1330
1331         if (index != 0)
1332             return ERROR_INVALID_PARAMETER;
1333
1334         return ERROR_UNKNOWN_COMPONENT;
1335     }
1336
1337     sz = SQUISH_GUID_SIZE;
1338     r = RegEnumValueW(hkeyComp, index, szValName, &sz, NULL, NULL, NULL, NULL);
1339     if( r == ERROR_SUCCESS )
1340         unsquash_guid(szValName, szProduct);
1341
1342     RegCloseKey(hkeyComp);
1343
1344     return r;
1345 }
1346
1347 static UINT WINAPI MSI_EnumComponentQualifiers( LPCWSTR szComponent, DWORD iIndex,
1348                 awstring *lpQualBuf, LPDWORD pcchQual,
1349                 awstring *lpAppBuf, LPDWORD pcchAppBuf )
1350 {
1351     DWORD name_sz, val_sz, name_max, val_max, type, ofs;
1352     LPWSTR name = NULL, val = NULL;
1353     UINT r, r2;
1354     HKEY key;
1355
1356     TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
1357           lpQualBuf, pcchQual, lpAppBuf, pcchAppBuf);
1358
1359     if (!szComponent)
1360         return ERROR_INVALID_PARAMETER;
1361
1362     r = MSIREG_OpenUserComponentsKey( szComponent, &key, FALSE );
1363     if (r != ERROR_SUCCESS)
1364         return ERROR_UNKNOWN_COMPONENT;
1365
1366     /* figure out how big the name is we want to return */
1367     name_max = 0x10;
1368     r = ERROR_OUTOFMEMORY;
1369     name = msi_alloc( name_max * sizeof(WCHAR) );
1370     if (!name)
1371         goto end;
1372
1373     val_max = 0x10;
1374     r = ERROR_OUTOFMEMORY;
1375     val = msi_alloc( val_max );
1376     if (!val)
1377         goto end;
1378
1379     /* loop until we allocate enough memory */
1380     while (1)
1381     {
1382         name_sz = name_max;
1383         val_sz = val_max;
1384         r = RegEnumValueW( key, iIndex, name, &name_sz,
1385                            NULL, &type, (LPBYTE)val, &val_sz );
1386         if (r == ERROR_SUCCESS)
1387             break;
1388         if (r != ERROR_MORE_DATA)
1389             goto end;
1390
1391         if (type != REG_MULTI_SZ)
1392         {
1393             ERR("component data has wrong type (%d)\n", type);
1394             goto end;
1395         }
1396
1397         r = ERROR_OUTOFMEMORY;
1398         if ((name_sz+1) >= name_max)
1399         {
1400             name_max *= 2;
1401             msi_free( name );
1402             name = msi_alloc( name_max * sizeof (WCHAR) );
1403             if (!name)
1404                 goto end;
1405             continue;
1406         }
1407         if (val_sz > val_max)
1408         {
1409             val_max = val_sz + sizeof (WCHAR);
1410             msi_free( val );
1411             val = msi_alloc( val_max * sizeof (WCHAR) );
1412             if (!val)
1413                 goto end;
1414             continue;
1415         }
1416         ERR("should be enough data, but isn't %d %d\n", name_sz, val_sz );
1417         goto end;
1418     }
1419
1420     ofs = 0;
1421     r = MsiDecomposeDescriptorW( val, NULL, NULL, NULL, &ofs );
1422     if (r != ERROR_SUCCESS)
1423         goto end;
1424
1425     TRACE("Providing %s and %s\n", debugstr_w(name), debugstr_w(val+ofs));
1426
1427     r = msi_strcpy_to_awstring( name, lpQualBuf, pcchQual );
1428     r2 = msi_strcpy_to_awstring( val+ofs, lpAppBuf, pcchAppBuf );
1429
1430     if (r2 != ERROR_SUCCESS)
1431         r = r2;
1432
1433 end:
1434     msi_free(val);
1435     msi_free(name);
1436     RegCloseKey(key);
1437
1438     return r;
1439 }
1440
1441 /*************************************************************************
1442  *  MsiEnumComponentQualifiersA [MSI.@]
1443  */
1444 UINT WINAPI MsiEnumComponentQualifiersA( LPCSTR szComponent, DWORD iIndex,
1445                 LPSTR lpQualifierBuf, LPDWORD pcchQualifierBuf,
1446                 LPSTR lpApplicationDataBuf, LPDWORD pcchApplicationDataBuf )
1447 {
1448     awstring qual, appdata;
1449     LPWSTR comp;
1450     UINT r;
1451
1452     TRACE("%s %08x %p %p %p %p\n", debugstr_a(szComponent), iIndex,
1453           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
1454           pcchApplicationDataBuf);
1455
1456     comp = strdupAtoW( szComponent );
1457     if (szComponent && !comp)
1458         return ERROR_OUTOFMEMORY;
1459
1460     qual.unicode = FALSE;
1461     qual.str.a = lpQualifierBuf;
1462
1463     appdata.unicode = FALSE;
1464     appdata.str.a = lpApplicationDataBuf;
1465
1466     r = MSI_EnumComponentQualifiers( comp, iIndex,
1467               &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
1468     msi_free( comp );
1469     return r;
1470 }
1471
1472 /*************************************************************************
1473  *  MsiEnumComponentQualifiersW [MSI.@]
1474  */
1475 UINT WINAPI MsiEnumComponentQualifiersW( LPCWSTR szComponent, DWORD iIndex,
1476                 LPWSTR lpQualifierBuf, LPDWORD pcchQualifierBuf,
1477                 LPWSTR lpApplicationDataBuf, LPDWORD pcchApplicationDataBuf )
1478 {
1479     awstring qual, appdata;
1480
1481     TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
1482           lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
1483           pcchApplicationDataBuf);
1484
1485     qual.unicode = TRUE;
1486     qual.str.w = lpQualifierBuf;
1487
1488     appdata.unicode = TRUE;
1489     appdata.str.w = lpApplicationDataBuf;
1490
1491     return MSI_EnumComponentQualifiers( szComponent, iIndex,
1492                  &qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
1493 }
1494
1495 /*************************************************************************
1496  *  MsiEnumRelatedProductsW   [MSI.@]
1497  *
1498  */
1499 UINT WINAPI MsiEnumRelatedProductsW(LPCWSTR szUpgradeCode, DWORD dwReserved,
1500                                     DWORD iProductIndex, LPWSTR lpProductBuf)
1501 {
1502     UINT r;
1503     HKEY hkey;
1504     DWORD dwSize = SQUISH_GUID_SIZE;
1505     WCHAR szKeyName[SQUISH_GUID_SIZE];
1506
1507     TRACE("%s %u %u %p\n", debugstr_w(szUpgradeCode), dwReserved,
1508           iProductIndex, lpProductBuf);
1509
1510     if (NULL == szUpgradeCode)
1511         return ERROR_INVALID_PARAMETER;
1512     if (NULL == lpProductBuf)
1513         return ERROR_INVALID_PARAMETER;
1514
1515     r = MSIREG_OpenUpgradeCodesKey(szUpgradeCode, &hkey, FALSE);
1516     if (r != ERROR_SUCCESS)
1517         return ERROR_NO_MORE_ITEMS;
1518
1519     r = RegEnumValueW(hkey, iProductIndex, szKeyName, &dwSize, NULL, NULL, NULL, NULL);
1520     if( r == ERROR_SUCCESS )
1521         unsquash_guid(szKeyName, lpProductBuf);
1522     RegCloseKey(hkey);
1523
1524     return r;
1525 }
1526
1527 /*************************************************************************
1528  *  MsiEnumRelatedProductsA   [MSI.@]
1529  *
1530  */
1531 UINT WINAPI MsiEnumRelatedProductsA(LPCSTR szUpgradeCode, DWORD dwReserved,
1532                                     DWORD iProductIndex, LPSTR lpProductBuf)
1533 {
1534     LPWSTR szwUpgradeCode = NULL;
1535     WCHAR productW[GUID_SIZE];
1536     UINT r;
1537
1538     TRACE("%s %u %u %p\n", debugstr_a(szUpgradeCode), dwReserved,
1539           iProductIndex, lpProductBuf);
1540
1541     if (szUpgradeCode)
1542     {
1543         szwUpgradeCode = strdupAtoW( szUpgradeCode );
1544         if( !szwUpgradeCode )
1545             return ERROR_OUTOFMEMORY;
1546     }
1547
1548     r = MsiEnumRelatedProductsW( szwUpgradeCode, dwReserved,
1549                                  iProductIndex, productW );
1550     if (r == ERROR_SUCCESS)
1551     {
1552         WideCharToMultiByte( CP_ACP, 0, productW, GUID_SIZE,
1553                              lpProductBuf, GUID_SIZE, NULL, NULL );
1554     }
1555     msi_free( szwUpgradeCode);
1556     return r;
1557 }
1558
1559 /***********************************************************************
1560  * MsiEnumPatchesA            [MSI.@]
1561  */
1562 UINT WINAPI MsiEnumPatchesA( LPCSTR szProduct, DWORD iPatchIndex,
1563         LPSTR lpPatchBuf, LPSTR lpTransformsBuf, LPDWORD pcchTransformsBuf)
1564 {
1565     FIXME("%s %d %p %p %p\n", debugstr_a(szProduct),
1566           iPatchIndex, lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
1567     return ERROR_NO_MORE_ITEMS;
1568 }
1569
1570 /***********************************************************************
1571  * MsiEnumPatchesW            [MSI.@]
1572  */
1573 UINT WINAPI MsiEnumPatchesW( LPCWSTR szProduct, DWORD iPatchIndex,
1574         LPWSTR lpPatchBuf, LPWSTR lpTransformsBuf, LPDWORD pcchTransformsBuf)
1575 {
1576     FIXME("%s %d %p %p %p\n", debugstr_w(szProduct),
1577           iPatchIndex, lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
1578     return ERROR_NO_MORE_ITEMS;
1579 }
1580
1581 UINT WINAPI MsiEnumProductsExA( LPCSTR szProductCode, LPCSTR szUserSid,
1582         DWORD dwContext, DWORD dwIndex, CHAR szInstalledProductCode[39],
1583         MSIINSTALLCONTEXT* pdwInstalledContext, LPSTR szSid, LPDWORD pcchSid)
1584 {
1585     FIXME("%s %s %d %d %p %p %p %p\n", debugstr_a(szProductCode), debugstr_a(szUserSid),
1586           dwContext, dwIndex, szInstalledProductCode, pdwInstalledContext,
1587           szSid, pcchSid);
1588     return ERROR_NO_MORE_ITEMS;
1589 }
1590
1591 UINT WINAPI MsiEnumProductsExW( LPCWSTR szProductCode, LPCWSTR szUserSid,
1592         DWORD dwContext, DWORD dwIndex, WCHAR szInstalledProductCode[39],
1593         MSIINSTALLCONTEXT* pdwInstalledContext, LPWSTR szSid, LPDWORD pcchSid)
1594 {
1595     FIXME("%s %s %d %d %p %p %p %p\n", debugstr_w(szProductCode), debugstr_w(szUserSid),
1596           dwContext, dwIndex, szInstalledProductCode, pdwInstalledContext,
1597           szSid, pcchSid);
1598     return ERROR_NO_MORE_ITEMS;
1599 }