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Sweden-Number/dlls/msi/registry.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2005 Mike McCormack for CodeWeavers
* Copyright 2005 Aric Stewart for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winnls.h"
#include "shlwapi.h"
#include "wine/debug.h"
#include "msi.h"
#include "msipriv.h"
#include "wincrypt.h"
#include "wine/unicode.h"
#include "winver.h"
#include "winuser.h"
#include "sddl.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
/*
* This module will be all the helper functions for registry access by the
* installer bits.
*/
static const WCHAR szUserDataFeatures_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','r','o','d','u','c','t','s','\\','%','s','\\','F','e','a','t','u','r','e','s',0};
static const WCHAR szUserDataComp_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','C','o','m','p','o','n','e','n','t','s','\\','%','s',0};
static const WCHAR szUserDataComponents_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','C','o','m','p','o','n','e','n','t','s',0};
static const WCHAR szUserDataProd_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','r','o','d','u','c','t','s','\\','%','s',0};
static const WCHAR szUserDataProducts_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','r','o','d','u','c','t','s',0};
static const WCHAR szUserDataPatch_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','a','t','c','h','e','s','\\','%','s',0};
static const WCHAR szUserDataPatches_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','a','t','c','h','e','s',0};
static const WCHAR szUserDataProductPatches_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','r','o','d','u','c','t','s','\\','%','s','\\','P','a','t','c','h','e','s',0};
static const WCHAR szInstallProperties_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'%','s','\\','P','r','o','d','u','c','t','s','\\','%','s','\\',
'I','n','s','t','a','l','l','P','r','o','p','e','r','t','i','e','s',0};
static const WCHAR szInstaller_LocalManagedProd_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','M','a','n','a','g','e','d','\\','%','s','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s','\\','%','s',0};
static const WCHAR szInstaller_LocalManagedFeat_fmt[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','M','a','n','a','g','e','d','\\','%','s','\\',
'I','n','s','t','a','l','l','e','r','\\','F','e','a','t','u','r','e','s','\\','%','s',0};
static const WCHAR szInstaller_Products[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s',0};
static const WCHAR szInstaller_Patches[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','P','a','t','c','h','e','s',0};
static const WCHAR szInstaller_LocalClassesProducts[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s',0};
static const WCHAR szInstaller_LocalClassesFeatures[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','F','e','a','t','u','r','e','s',0};
static const WCHAR szInstaller_LocalClassesProd[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s','\\',0};
static const WCHAR szInstaller_LocalClassesFeat[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','F','e','a','t','u','r','e','s','\\',0};
static const WCHAR szInstaller_ClassesUpgradeCode[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','U','p','g','r','a','d','e','C','o','d','e','s','\\',0};
static const WCHAR szInstaller_ClassesUpgradeCodes[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','U','p','g','r','a','d','e','C','o','d','e','s',0};
static const WCHAR szInstaller_Features[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','F','e','a','t','u','r','e','s','\\',0};
static const WCHAR szInstaller_UpgradeCodes[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','p','g','r','a','d','e','C','o','d','e','s','\\',0};
static const WCHAR szInstaller_UserUpgradeCodes[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\','U','p','g','r','a','d','e','C','o','d','e','s','\\',0};
static const WCHAR szUninstall[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'U','n','i','n','s','t','a','l','l','\\',0};
static const WCHAR szUninstall_32node[] = {
'S','o','f','t','w','a','r','e','\\','W','o','w','6','4','3','2','N','o','d','e','\\',
'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','U','n','i','n','s','t','a','l','l','\\',0};
static const WCHAR szUserComponents[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\','C','o','m','p','o','n','e','n','t','s','\\',0};
static const WCHAR szInstaller_Components[] = {
'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','C','o','m','p','o','n','e','n','t','s','\\',0};
static const WCHAR szUserFeatures[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\','F','e','a','t','u','r','e','s','\\',0};
static const WCHAR szUserProducts[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s','\\',0};
static const WCHAR szUserPatches[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\','P','a','t','c','h','e','s','\\',0};
BOOL unsquash_guid(LPCWSTR in, LPWSTR out)
{
DWORD i,n=0;
if (lstrlenW(in) != 32)
return FALSE;
out[n++]='{';
for(i=0; i<8; i++)
out[n++] = in[7-i];
out[n++]='-';
for(i=0; i<4; i++)
out[n++] = in[11-i];
out[n++]='-';
for(i=0; i<4; i++)
out[n++] = in[15-i];
out[n++]='-';
for(i=0; i<2; i++)
{
out[n++] = in[17+i*2];
out[n++] = in[16+i*2];
}
out[n++]='-';
for( ; i<8; i++)
{
out[n++] = in[17+i*2];
out[n++] = in[16+i*2];
}
out[n++]='}';
out[n]=0;
return TRUE;
}
BOOL squash_guid(LPCWSTR in, LPWSTR out)
{
DWORD i,n=1;
GUID guid;
out[0] = 0;
if (FAILED(CLSIDFromString((LPCOLESTR)in, &guid)))
return FALSE;
for(i=0; i<8; i++)
out[7-i] = in[n++];
n++;
for(i=0; i<4; i++)
out[11-i] = in[n++];
n++;
for(i=0; i<4; i++)
out[15-i] = in[n++];
n++;
for(i=0; i<2; i++)
{
out[17+i*2] = in[n++];
out[16+i*2] = in[n++];
}
n++;
for( ; i<8; i++)
{
out[17+i*2] = in[n++];
out[16+i*2] = in[n++];
}
out[32]=0;
return TRUE;
}
/* tables for encoding and decoding base85 */
static const unsigned char table_dec85[0x80] = {
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0x00,0xff,0xff,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0xff,
0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0xff,0xff,0xff,0x16,0xff,0x17,
0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0xff,0x34,0x35,0x36,
0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,
0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xff,0x53,0x54,0xff,
};
static const char table_enc85[] =
"!$%&'()*+,-.0123456789=?@ABCDEFGHIJKLMNO"
"PQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwx"
"yz{}~";
/*
* Converts a base85 encoded guid into a GUID pointer
* Base85 encoded GUIDs should be 20 characters long.
*
* returns TRUE if successful, FALSE if not
*/
BOOL decode_base85_guid( LPCWSTR str, GUID *guid )
{
DWORD i, val = 0, base = 1, *p;
if (!str)
return FALSE;
p = (DWORD*) guid;
for( i=0; i<20; i++ )
{
if( (i%5) == 0 )
{
val = 0;
base = 1;
}
val += table_dec85[str[i]] * base;
if( str[i] >= 0x80 )
return FALSE;
if( table_dec85[str[i]] == 0xff )
return FALSE;
if( (i%5) == 4 )
p[i/5] = val;
base *= 85;
}
return TRUE;
}
/*
* Encodes a base85 guid given a GUID pointer
* Caller should provide a 21 character buffer for the encoded string.
*
* returns TRUE if successful, FALSE if not
*/
BOOL encode_base85_guid( GUID *guid, LPWSTR str )
{
unsigned int x, *p, i;
p = (unsigned int*) guid;
for( i=0; i<4; i++ )
{
x = p[i];
*str++ = table_enc85[x%85];
x = x/85;
*str++ = table_enc85[x%85];
x = x/85;
*str++ = table_enc85[x%85];
x = x/85;
*str++ = table_enc85[x%85];
x = x/85;
*str++ = table_enc85[x%85];
}
*str = 0;
return TRUE;
}
DWORD msi_version_str_to_dword(LPCWSTR p)
{
DWORD major, minor = 0, build = 0, version = 0;
if (!p)
return version;
major = atoiW(p);
p = strchrW(p, '.');
if (p)
{
minor = atoiW(p+1);
p = strchrW(p+1, '.');
if (p)
build = atoiW(p+1);
}
return MAKELONG(build, MAKEWORD(minor, major));
}
LONG msi_reg_set_val_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
{
DWORD len;
if (!value) value = szEmpty;
len = (lstrlenW(value) + 1) * sizeof (WCHAR);
return RegSetValueExW( hkey, name, 0, REG_SZ, (const BYTE *)value, len );
}
LONG msi_reg_set_val_multi_str( HKEY hkey, LPCWSTR name, LPCWSTR value )
{
LPCWSTR p = value;
while (*p) p += lstrlenW(p) + 1;
return RegSetValueExW( hkey, name, 0, REG_MULTI_SZ,
(const BYTE *)value, (p + 1 - value) * sizeof(WCHAR) );
}
LONG msi_reg_set_val_dword( HKEY hkey, LPCWSTR name, DWORD val )
{
return RegSetValueExW( hkey, name, 0, REG_DWORD, (LPBYTE)&val, sizeof (DWORD) );
}
LONG msi_reg_set_subkey_val( HKEY hkey, LPCWSTR path, LPCWSTR name, LPCWSTR val )
{
HKEY hsubkey = 0;
LONG r;
r = RegCreateKeyW( hkey, path, &hsubkey );
if (r != ERROR_SUCCESS)
return r;
r = msi_reg_set_val_str( hsubkey, name, val );
RegCloseKey( hsubkey );
return r;
}
LPWSTR msi_reg_get_val_str( HKEY hkey, LPCWSTR name )
{
DWORD len = 0;
LPWSTR val;
LONG r;
r = RegQueryValueExW(hkey, name, NULL, NULL, NULL, &len);
if (r != ERROR_SUCCESS)
return NULL;
len += sizeof (WCHAR);
val = msi_alloc( len );
if (!val)
return NULL;
val[0] = 0;
RegQueryValueExW(hkey, name, NULL, NULL, (LPBYTE) val, &len);
return val;
}
BOOL msi_reg_get_val_dword( HKEY hkey, LPCWSTR name, DWORD *val)
{
DWORD type, len = sizeof (DWORD);
LONG r = RegQueryValueExW(hkey, name, NULL, &type, (LPBYTE) val, &len);
return r == ERROR_SUCCESS && type == REG_DWORD;
}
static WCHAR *get_user_sid(void)
{
HANDLE token;
DWORD size = 256;
TOKEN_USER *user;
WCHAR *ret;
if (!OpenProcessToken( GetCurrentProcess(), TOKEN_QUERY, &token )) return NULL;
if (!(user = msi_alloc( size )))
{
CloseHandle( token );
return NULL;
}
if (!GetTokenInformation( token, TokenUser, user, size, &size ))
{
msi_free( user );
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER || !(user = msi_alloc( size )))
{
CloseHandle( token );
return NULL;
}
GetTokenInformation( token, TokenUser, user, size, &size );
}
CloseHandle( token );
if (!ConvertSidToStringSidW( user->User.Sid, &ret ))
{
msi_free( user );
return NULL;
}
msi_free( user );
return ret;
}
UINT MSIREG_OpenUninstallKey(const WCHAR *product, enum platform platform, HKEY *key, BOOL create)
{
WCHAR keypath[0x200];
TRACE("%s\n", debugstr_w(product));
if (is_64bit && platform == PLATFORM_INTEL)
{
strcpyW(keypath, szUninstall_32node);
strcatW(keypath, product);
}
else
{
strcpyW(keypath, szUninstall);
strcatW(keypath, product);
}
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, KEY_ALL_ACCESS, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, KEY_ALL_ACCESS, key);
}
UINT MSIREG_DeleteUninstallKey(const WCHAR *product, enum platform platform)
{
WCHAR keypath[0x200];
TRACE("%s\n", debugstr_w(product));
if (is_64bit && platform == PLATFORM_INTEL)
{
strcpyW(keypath, szUninstall_32node);
strcatW(keypath, product);
}
else
{
strcpyW(keypath, szUninstall);
strcatW(keypath, product);
}
return RegDeleteTreeW(HKEY_LOCAL_MACHINE, keypath);
}
UINT MSIREG_OpenProductKey(LPCWSTR szProduct, LPCWSTR szUserSid, MSIINSTALLCONTEXT context, HKEY *key, BOOL create)
{
HKEY root = HKEY_LOCAL_MACHINE;
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid = NULL, squashed_pc[SQUASHED_GUID_SIZE], keypath[MAX_PATH];
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (context == MSIINSTALLCONTEXT_MACHINE)
{
strcpyW(keypath, szInstaller_LocalClassesProd);
strcatW( keypath, squashed_pc );
}
else if (context == MSIINSTALLCONTEXT_USERUNMANAGED)
{
root = HKEY_CURRENT_USER;
strcpyW(keypath, szUserProducts);
strcatW( keypath, squashed_pc );
}
else
{
if (!szUserSid)
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
szUserSid = usersid;
}
sprintfW( keypath, szInstaller_LocalManagedProd_fmt, szUserSid, squashed_pc );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(root, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(root, keypath, 0, access, key);
}
UINT MSIREG_DeleteUserProductKey(LPCWSTR szProduct)
{
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
strcpyW(keypath, szUserProducts);
strcatW( keypath, squashed_pc );
return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
}
UINT MSIREG_OpenUserPatchesKey(LPCWSTR szPatch, HKEY *key, BOOL create)
{
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szPatch, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szPatch), debugstr_w(squashed_pc));
strcpyW(keypath, szUserPatches);
strcatW( keypath, squashed_pc );
if (create) return RegCreateKeyW(HKEY_CURRENT_USER, keypath, key);
return RegOpenKeyW(HKEY_CURRENT_USER, keypath, key);
}
UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, LPCWSTR szUserSid, MSIINSTALLCONTEXT context,
HKEY *key, BOOL create)
{
HKEY root = HKEY_LOCAL_MACHINE;
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[MAX_PATH], *usersid = NULL;
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (context == MSIINSTALLCONTEXT_MACHINE)
{
strcpyW(keypath, szInstaller_LocalClassesFeat);
strcatW( keypath, squashed_pc );
}
else if (context == MSIINSTALLCONTEXT_USERUNMANAGED)
{
root = HKEY_CURRENT_USER;
strcpyW(keypath, szUserFeatures);
strcatW( keypath, squashed_pc );
}
else
{
if (!szUserSid)
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
szUserSid = usersid;
}
sprintfW( keypath, szInstaller_LocalManagedFeat_fmt, szUserSid, squashed_pc );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(root, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(root, keypath, 0, access, key);
}
UINT MSIREG_DeleteUserFeaturesKey(LPCWSTR szProduct)
{
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
strcpyW(keypath, szUserFeatures);
strcatW( keypath, squashed_pc );
return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
}
static UINT MSIREG_OpenInstallerFeaturesKey(LPCWSTR szProduct, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
strcpyW(keypath, szInstaller_Features);
strcatW( keypath, squashed_pc );
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_OpenUserDataFeaturesKey(LPCWSTR szProduct, LPCWSTR szUserSid, MSIINSTALLCONTEXT context,
HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200], *usersid = NULL;
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (context == MSIINSTALLCONTEXT_MACHINE)
{
sprintfW( keypath, szUserDataFeatures_fmt, szLocalSid, squashed_pc );
}
else
{
if (!szUserSid)
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
szUserSid = usersid;
}
sprintfW( keypath, szUserDataFeatures_fmt, szUserSid, squashed_pc );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY *key, BOOL create)
{
WCHAR squashed_cc[SQUASHED_GUID_SIZE], keypath[0x200];
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
UINT ret;
if (!squash_guid( szComponent, squashed_cc)) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szComponent), debugstr_w(squashed_cc));
strcpyW(keypath, szUserComponents);
strcatW( keypath, squashed_cc );
if (create) return RegCreateKeyW(HKEY_CURRENT_USER, keypath, key);
ret = RegOpenKeyW(HKEY_CURRENT_USER, keypath, key);
if (ret != ERROR_FILE_NOT_FOUND) return ret;
strcpyW(keypath, szInstaller_Components);
strcatW( keypath, squashed_cc );
return RegOpenKeyExW( HKEY_LOCAL_MACHINE, keypath, 0, access, key );
}
UINT MSIREG_OpenUserDataComponentKey(LPCWSTR szComponent, LPCWSTR szUserSid, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_comp[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szComponent, squashed_comp )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szComponent), debugstr_w(squashed_comp));
if (!szUserSid)
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW( keypath, szUserDataComp_fmt, usersid, squashed_comp );
LocalFree(usersid);
}
else
sprintfW( keypath, szUserDataComp_fmt, szUserSid, squashed_comp );
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_DeleteUserDataComponentKey(LPCWSTR szComponent, LPCWSTR szUserSid)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_comp[SQUASHED_GUID_SIZE], keypath[0x200];
HKEY hkey;
LONG r;
if (!squash_guid( szComponent, squashed_comp )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szComponent), debugstr_w(squashed_comp));
if (!szUserSid)
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW(keypath, szUserDataComponents_fmt, usersid);
LocalFree(usersid);
}
else
sprintfW(keypath, szUserDataComponents_fmt, szUserSid);
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_comp );
RegCloseKey(hkey);
return r;
}
UINT MSIREG_OpenUserDataProductKey(LPCWSTR szProduct, MSIINSTALLCONTEXT dwContext, LPCWSTR szUserSid, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (dwContext == MSIINSTALLCONTEXT_MACHINE)
sprintfW( keypath, szUserDataProd_fmt, szLocalSid, squashed_pc );
else if (szUserSid)
sprintfW( keypath, szUserDataProd_fmt, szUserSid, squashed_pc );
else
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW( keypath, szUserDataProd_fmt, usersid, squashed_pc );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_OpenUserDataPatchKey(LPCWSTR szPatch, MSIINSTALLCONTEXT dwContext, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_patch[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szPatch, squashed_patch )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szPatch), debugstr_w(squashed_patch));
if (dwContext == MSIINSTALLCONTEXT_MACHINE)
sprintfW( keypath, szUserDataPatch_fmt, szLocalSid, squashed_patch );
else
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW( keypath, szUserDataPatch_fmt, usersid, squashed_patch );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_DeleteUserDataPatchKey(LPCWSTR patch, MSIINSTALLCONTEXT context)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_patch[SQUASHED_GUID_SIZE], keypath[0x200];
HKEY hkey;
LONG r;
if (!squash_guid( patch, squashed_patch )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(patch), debugstr_w(squashed_patch));
if (context == MSIINSTALLCONTEXT_MACHINE)
sprintfW(keypath, szUserDataPatches_fmt, szLocalSid);
else
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW(keypath, szUserDataPatches_fmt, usersid);
LocalFree(usersid);
}
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_patch );
RegCloseKey(hkey);
return r;
}
UINT MSIREG_OpenUserDataProductPatchesKey(LPCWSTR product, MSIINSTALLCONTEXT context, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_product[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( product, squashed_product )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(product), debugstr_w(squashed_product));
if (context == MSIINSTALLCONTEXT_MACHINE)
sprintfW( keypath, szUserDataProductPatches_fmt, szLocalSid, squashed_product );
else
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW( keypath, szUserDataProductPatches_fmt, usersid, squashed_product );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_OpenInstallProps(LPCWSTR szProduct, MSIINSTALLCONTEXT dwContext, LPCWSTR szUserSid, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (dwContext == MSIINSTALLCONTEXT_MACHINE)
sprintfW( keypath, szInstallProperties_fmt, szLocalSid, squashed_pc );
else if (szUserSid)
sprintfW( keypath, szInstallProperties_fmt, szUserSid, squashed_pc );
else
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW( keypath, szInstallProperties_fmt, usersid, squashed_pc );
LocalFree(usersid);
}
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_DeleteUserDataProductKey(LPCWSTR szProduct, MSIINSTALLCONTEXT context)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR *usersid, squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
HKEY hkey;
LONG r;
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (context == MSIINSTALLCONTEXT_MACHINE)
sprintfW(keypath, szUserDataProducts_fmt, szLocalSid);
else
{
if (!(usersid = get_user_sid()))
{
ERR("Failed to retrieve user SID\n");
return ERROR_FUNCTION_FAILED;
}
sprintfW(keypath, szUserDataProducts_fmt, usersid);
LocalFree(usersid);
}
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_pc );
RegCloseKey(hkey);
return r;
}
UINT MSIREG_DeleteProductKey(LPCWSTR szProduct)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE];
HKEY hkey;
LONG r;
if (!squash_guid( szProduct, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProduct), debugstr_w(squashed_pc));
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szInstaller_Products, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_pc );
RegCloseKey(hkey);
return r;
}
UINT MSIREG_OpenPatchesKey(LPCWSTR szPatch, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szPatch, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szPatch), debugstr_w(squashed_pc));
sprintfW( keypath, szInstaller_Patches, squashed_pc );
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_uc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szUpgradeCode, squashed_uc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szUpgradeCode), debugstr_w(squashed_uc));
strcpyW(keypath, szInstaller_UpgradeCodes);
strcatW( keypath, squashed_uc );
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create)
{
WCHAR squashed_uc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szUpgradeCode, squashed_uc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szUpgradeCode), debugstr_w(squashed_uc));
strcpyW(keypath, szInstaller_UserUpgradeCodes);
strcatW( keypath, squashed_uc );
if (create) return RegCreateKeyW(HKEY_CURRENT_USER, keypath, key);
return RegOpenKeyW(HKEY_CURRENT_USER, keypath, key);
}
UINT MSIREG_DeleteUpgradeCodesKey( const WCHAR *code )
{
WCHAR squashed_code[SQUASHED_GUID_SIZE];
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
HKEY hkey;
LONG ret;
if (!squash_guid( code, squashed_code )) return ERROR_FUNCTION_FAILED;
TRACE( "%s squashed %s\n", debugstr_w(code), debugstr_w(squashed_code) );
if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, szInstaller_UpgradeCodes, 0, access, &hkey )) return ERROR_SUCCESS;
ret = RegDeleteTreeW( hkey, squashed_code );
RegCloseKey( hkey );
return ret;
}
UINT MSIREG_DeleteUserUpgradeCodesKey(LPCWSTR szUpgradeCode)
{
WCHAR squashed_uc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szUpgradeCode, squashed_uc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szUpgradeCode), debugstr_w(squashed_uc));
strcpyW(keypath, szInstaller_UserUpgradeCodes);
strcatW( keypath, squashed_uc );
return RegDeleteTreeW(HKEY_CURRENT_USER, keypath);
}
UINT MSIREG_DeleteLocalClassesProductKey(LPCWSTR szProductCode)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE];
HKEY hkey;
LONG r;
if (!squash_guid( szProductCode, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProductCode), debugstr_w(squashed_pc));
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szInstaller_LocalClassesProducts, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_pc );
RegCloseKey(hkey);
return r;
}
UINT MSIREG_DeleteLocalClassesFeaturesKey(LPCWSTR szProductCode)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_pc[SQUASHED_GUID_SIZE];
HKEY hkey;
LONG r;
if (!squash_guid( szProductCode, squashed_pc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szProductCode), debugstr_w(squashed_pc));
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szInstaller_LocalClassesFeatures, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_pc );
RegCloseKey(hkey);
return r;
}
UINT MSIREG_OpenClassesUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY *key, BOOL create)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_uc[SQUASHED_GUID_SIZE], keypath[0x200];
if (!squash_guid( szUpgradeCode, squashed_uc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szUpgradeCode), debugstr_w(squashed_uc));
strcpyW(keypath, szInstaller_ClassesUpgradeCode);
strcatW( keypath, squashed_uc );
if (create) return RegCreateKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, key, NULL);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, keypath, 0, access, key);
}
UINT MSIREG_DeleteClassesUpgradeCodesKey(LPCWSTR szUpgradeCode)
{
REGSAM access = KEY_WOW64_64KEY | KEY_ALL_ACCESS;
WCHAR squashed_uc[SQUASHED_GUID_SIZE];
HKEY hkey;
LONG r;
if (!squash_guid( szUpgradeCode, squashed_uc )) return ERROR_FUNCTION_FAILED;
TRACE("%s squashed %s\n", debugstr_w(szUpgradeCode), debugstr_w(squashed_uc));
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szInstaller_ClassesUpgradeCodes, 0, access, &hkey)) return ERROR_SUCCESS;
r = RegDeleteTreeW( hkey, squashed_uc );
RegCloseKey(hkey);
return r;
}
/*************************************************************************
* MsiDecomposeDescriptorW [MSI.@]
*
* Decomposes an MSI descriptor into product, feature and component parts.
* An MSI descriptor is a string of the form:
* [base 85 guid] [feature code] '>' [base 85 guid] or
* [base 85 guid] [feature code] '<'
*
* PARAMS
* szDescriptor [I] the descriptor to decompose
* szProduct [O] buffer of MAX_FEATURE_CHARS+1 for the product guid
* szFeature [O] buffer of MAX_FEATURE_CHARS+1 for the feature code
* szComponent [O] buffer of MAX_FEATURE_CHARS+1 for the component guid
* pUsed [O] the length of the descriptor
*
* RETURNS
* ERROR_SUCCESS if everything worked correctly
* ERROR_INVALID_PARAMETER if the descriptor was invalid
*
*/
UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR szDescriptor, LPWSTR szProduct,
LPWSTR szFeature, LPWSTR szComponent, LPDWORD pUsed )
{
UINT len;
const WCHAR *p;
GUID product, component;
TRACE("%s %p %p %p %p\n", debugstr_w(szDescriptor), szProduct,
szFeature, szComponent, pUsed);
if (!decode_base85_guid( szDescriptor, &product ))
return ERROR_INVALID_PARAMETER;
TRACE("product %s\n", debugstr_guid( &product ));
if (!(p = strchrW( &szDescriptor[20], '>' )))
p = strchrW( &szDescriptor[20], '<' );
if (!p)
return ERROR_INVALID_PARAMETER;
len = (p - &szDescriptor[20]);
if( len > MAX_FEATURE_CHARS )
return ERROR_INVALID_PARAMETER;
TRACE("feature %s\n", debugstr_wn( &szDescriptor[20], len ));
if (*p == '>')
{
if (!decode_base85_guid( p+1, &component ))
return ERROR_INVALID_PARAMETER;
TRACE( "component %s\n", debugstr_guid(&component) );
}
if (szProduct)
StringFromGUID2( &product, szProduct, MAX_FEATURE_CHARS+1 );
if (szComponent)
{
if (*p == '>')
StringFromGUID2( &component, szComponent, MAX_FEATURE_CHARS+1 );
else
szComponent[0] = 0;
}
if (szFeature)
{
memcpy( szFeature, &szDescriptor[20], len*sizeof(WCHAR) );
szFeature[len] = 0;
}
len = p - szDescriptor + 1;
if (*p == '>') len += 20;
TRACE("length = %d\n", len);
if (pUsed) *pUsed = len;
return ERROR_SUCCESS;
}
UINT WINAPI MsiDecomposeDescriptorA( LPCSTR szDescriptor, LPSTR szProduct,
LPSTR szFeature, LPSTR szComponent, LPDWORD pUsed )
{
WCHAR product[MAX_FEATURE_CHARS+1];
WCHAR feature[MAX_FEATURE_CHARS+1];
WCHAR component[MAX_FEATURE_CHARS+1];
LPWSTR str = NULL, p = NULL, f = NULL, c = NULL;
UINT r;
TRACE("%s %p %p %p %p\n", debugstr_a(szDescriptor), szProduct,
szFeature, szComponent, pUsed);
str = strdupAtoW( szDescriptor );
if( szDescriptor && !str )
return ERROR_OUTOFMEMORY;
if (szProduct)
p = product;
if (szFeature)
f = feature;
if (szComponent)
c = component;
r = MsiDecomposeDescriptorW( str, p, f, c, pUsed );
if (r == ERROR_SUCCESS)
{
WideCharToMultiByte( CP_ACP, 0, p, -1,
szProduct, MAX_FEATURE_CHARS+1, NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, f, -1,
szFeature, MAX_FEATURE_CHARS+1, NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, c, -1,
szComponent, MAX_FEATURE_CHARS+1, NULL, NULL );
}
msi_free( str );
return r;
}
UINT WINAPI MsiEnumProductsA(DWORD index, LPSTR lpguid)
{
DWORD r;
WCHAR szwGuid[GUID_SIZE];
TRACE("%d %p\n", index, lpguid);
if (NULL == lpguid)
return ERROR_INVALID_PARAMETER;
r = MsiEnumProductsW(index, szwGuid);
if( r == ERROR_SUCCESS )
WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
return r;
}
UINT WINAPI MsiEnumProductsW(DWORD index, LPWSTR lpguid)
{
TRACE("%d %p\n", index, lpguid);
if (NULL == lpguid)
return ERROR_INVALID_PARAMETER;
return MsiEnumProductsExW( NULL, szAllSid, MSIINSTALLCONTEXT_ALL, index, lpguid,
NULL, NULL, NULL );
}
UINT WINAPI MsiEnumFeaturesA(LPCSTR szProduct, DWORD index,
LPSTR szFeature, LPSTR szParent)
{
DWORD r;
WCHAR szwFeature[GUID_SIZE], szwParent[GUID_SIZE];
LPWSTR szwProduct = NULL;
TRACE("%s %d %p %p\n", debugstr_a(szProduct), index, szFeature, szParent);
if( szProduct )
{
szwProduct = strdupAtoW( szProduct );
if( !szwProduct )
return ERROR_OUTOFMEMORY;
}
r = MsiEnumFeaturesW(szwProduct, index, szwFeature, szwParent);
if( r == ERROR_SUCCESS )
{
WideCharToMultiByte(CP_ACP, 0, szwFeature, -1,
szFeature, GUID_SIZE, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, szwParent, -1,
szParent, GUID_SIZE, NULL, NULL);
}
msi_free( szwProduct);
return r;
}
UINT WINAPI MsiEnumFeaturesW(LPCWSTR szProduct, DWORD index,
LPWSTR szFeature, LPWSTR szParent)
{
HKEY hkeyProduct = 0;
DWORD r, sz;
TRACE("%s %d %p %p\n", debugstr_w(szProduct), index, szFeature, szParent);
if( !szProduct )
return ERROR_INVALID_PARAMETER;
r = MSIREG_OpenInstallerFeaturesKey(szProduct,&hkeyProduct,FALSE);
if( r != ERROR_SUCCESS )
return ERROR_NO_MORE_ITEMS;
sz = GUID_SIZE;
r = RegEnumValueW(hkeyProduct, index, szFeature, &sz, NULL, NULL, NULL, NULL);
RegCloseKey(hkeyProduct);
return r;
}
UINT WINAPI MsiEnumComponentsA(DWORD index, LPSTR lpguid)
{
DWORD r;
WCHAR szwGuid[GUID_SIZE];
TRACE("%u, %p\n", index, lpguid);
if (!lpguid) return ERROR_INVALID_PARAMETER;
r = MsiEnumComponentsW(index, szwGuid);
if( r == ERROR_SUCCESS )
WideCharToMultiByte(CP_ACP, 0, szwGuid, -1, lpguid, GUID_SIZE, NULL, NULL);
return r;
}
UINT WINAPI MsiEnumComponentsW(DWORD index, LPWSTR lpguid)
{
TRACE("%u, %p\n", index, lpguid);
if (!lpguid) return ERROR_INVALID_PARAMETER;
return MsiEnumComponentsExW( szAllSid, MSIINSTALLCONTEXT_ALL, index, lpguid, NULL, NULL, NULL );
}
UINT WINAPI MsiEnumComponentsExA( LPCSTR user_sid, DWORD ctx, DWORD index, CHAR guid[39],
MSIINSTALLCONTEXT *installed_ctx, LPSTR sid, LPDWORD sid_len )
{
UINT r;
WCHAR *user_sidW = NULL, *sidW = NULL, guidW[GUID_SIZE];
TRACE("%s, %u, %u, %p, %p, %p, %p\n", debugstr_a(user_sid), ctx, index, guid, installed_ctx,
sid, sid_len);
if (sid && !sid_len) return ERROR_INVALID_PARAMETER;
if (user_sid && !(user_sidW = strdupAtoW( user_sid ))) return ERROR_OUTOFMEMORY;
if (sid && !(sidW = msi_alloc( *sid_len * sizeof(WCHAR) )))
{
msi_free( user_sidW );
return ERROR_OUTOFMEMORY;
}
r = MsiEnumComponentsExW( user_sidW, ctx, index, guidW, installed_ctx, sidW, sid_len );
if (r == ERROR_SUCCESS)
{
if (guid) WideCharToMultiByte( CP_ACP, 0, guidW, GUID_SIZE, guid, GUID_SIZE, NULL, NULL );
if (sid) WideCharToMultiByte( CP_ACP, 0, sidW, *sid_len + 1, sid, *sid_len + 1, NULL, NULL );
}
msi_free( user_sidW );
msi_free( sidW );
return r;
}
static UINT fetch_machine_component( DWORD ctx, DWORD index, DWORD *idx, WCHAR guid[39],
MSIINSTALLCONTEXT *installed_ctx, LPWSTR sid, LPDWORD sid_len )
{
static const WCHAR componentsW[] =
{'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a','\\',
'S','-','1','-','5','-','1','8','\\','C','o','m','p','o','n','e','n','t','s',0};
UINT r = ERROR_SUCCESS;
WCHAR component[SQUASHED_GUID_SIZE];
DWORD i = 0, len_component;
REGSAM access = KEY_ENUMERATE_SUB_KEYS | KEY_WOW64_64KEY;
HKEY key_components;
if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, componentsW, 0, access, &key_components ))
return ERROR_NO_MORE_ITEMS;
len_component = ARRAY_SIZE( component );
while (!RegEnumKeyExW( key_components, i, component, &len_component, NULL, NULL, NULL, NULL ))
{
if (*idx == index) goto found;
(*idx)++;
len_component = ARRAY_SIZE( component );
i++;
}
RegCloseKey( key_components );
return ERROR_NO_MORE_ITEMS;
found:
if (sid_len)
{
if (*sid_len < 1)
{
*sid_len = 1;
r = ERROR_MORE_DATA;
}
else if (sid)
{
*sid_len = 0;
sid[0] = 0;
}
}
if (guid) unsquash_guid( component, guid );
if (installed_ctx) *installed_ctx = MSIINSTALLCONTEXT_MACHINE;
RegCloseKey( key_components );
return r;
}
static UINT fetch_user_component( const WCHAR *usersid, DWORD ctx, DWORD index, DWORD *idx,
WCHAR guid[39], MSIINSTALLCONTEXT *installed_ctx, LPWSTR sid,
LPDWORD sid_len )
{
static const WCHAR userdataW[] =
{'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','n','s','t','a','l','l','e','r','\\','U','s','e','r','D','a','t','a',0};
static const WCHAR componentsW[] = {'\\','C','o','m','p','o','n','e','n','t','s',0};
UINT r = ERROR_SUCCESS;
WCHAR path[MAX_PATH], component[SQUASHED_GUID_SIZE], user[128];
DWORD i = 0, j = 0, len_component, len_user;
REGSAM access = KEY_ENUMERATE_SUB_KEYS | KEY_WOW64_64KEY;
HKEY key_users, key_components;
if (ctx == MSIINSTALLCONTEXT_USERMANAGED) /* FIXME: where to find these? */
return ERROR_NO_MORE_ITEMS;
if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, userdataW, 0, access, &key_users ))
return ERROR_NO_MORE_ITEMS;
len_user = ARRAY_SIZE( user );
while (!RegEnumKeyExW( key_users, i, user, &len_user, NULL, NULL, NULL, NULL ))
{
if ((strcmpW( usersid, szAllSid ) && strcmpW( usersid, user )) ||
!strcmpW( szLocalSid, user ))
{
i++;
len_user = ARRAY_SIZE( user );
continue;
}
strcpyW( path, user );
strcatW( path, componentsW );
if (RegOpenKeyExW( key_users, path, 0, access, &key_components ))
{
i++;
len_user = ARRAY_SIZE( user );
continue;
}
len_component = ARRAY_SIZE( component );
while (!RegEnumKeyExW( key_components, j, component, &len_component, NULL, NULL, NULL, NULL ))
{
if (*idx == index) goto found;
(*idx)++;
len_component = ARRAY_SIZE( component );
j++;
}
RegCloseKey( key_components );
len_user = ARRAY_SIZE( user );
i++;
}
RegCloseKey( key_users );
return ERROR_NO_MORE_ITEMS;
found:
if (sid_len)
{
if (*sid_len < len_user + 1)
{
*sid_len = len_user + 1;
r = ERROR_MORE_DATA;
}
else if (sid)
{
*sid_len = len_user;
strcpyW( sid, user );
}
}
if (guid) unsquash_guid( component, guid );
if (installed_ctx) *installed_ctx = ctx;
RegCloseKey( key_components );
RegCloseKey( key_users );
return r;
}
static UINT enum_components( const WCHAR *usersid, DWORD ctx, DWORD index, DWORD *idx, WCHAR guid[39],
MSIINSTALLCONTEXT *installed_ctx, LPWSTR sid, LPDWORD sid_len )
{
UINT r = ERROR_NO_MORE_ITEMS;
WCHAR *user = NULL;
if (!usersid)
{
usersid = user = get_user_sid();
if (!user) return ERROR_FUNCTION_FAILED;
}
if (ctx & MSIINSTALLCONTEXT_USERMANAGED)
{
r = fetch_user_component( usersid, MSIINSTALLCONTEXT_USERMANAGED, index, idx, guid,
installed_ctx, sid, sid_len );
if (r != ERROR_NO_MORE_ITEMS) goto done;
}
if (ctx & MSIINSTALLCONTEXT_USERUNMANAGED)
{
r = fetch_user_component( usersid, MSIINSTALLCONTEXT_USERUNMANAGED, index, idx, guid,
installed_ctx, sid, sid_len );
if (r != ERROR_NO_MORE_ITEMS) goto done;
}
if (ctx & MSIINSTALLCONTEXT_MACHINE)
{
r = fetch_machine_component( MSIINSTALLCONTEXT_MACHINE, index, idx, guid, installed_ctx,
sid, sid_len );
if (r != ERROR_NO_MORE_ITEMS) goto done;
}
done:
LocalFree( user );
return r;
}
UINT WINAPI MsiEnumComponentsExW( LPCWSTR user_sid, DWORD ctx, DWORD index, WCHAR guid[39],
MSIINSTALLCONTEXT *installed_ctx, LPWSTR sid, LPDWORD sid_len )
{
UINT r;
DWORD idx = 0;
static DWORD last_index;
TRACE("%s, %u, %u, %p, %p, %p, %p\n", debugstr_w(user_sid), ctx, index, guid, installed_ctx,
sid, sid_len);
if ((sid && !sid_len) || !ctx || (user_sid && ctx == MSIINSTALLCONTEXT_MACHINE))
return ERROR_INVALID_PARAMETER;
if (index && index - last_index != 1)
return ERROR_INVALID_PARAMETER;
if (!index) last_index = 0;
r = enum_components( user_sid, ctx, index, &idx, guid, installed_ctx, sid, sid_len );
if (r == ERROR_SUCCESS)
last_index = index;
else
last_index = 0;
return r;
}
UINT WINAPI MsiEnumClientsA(LPCSTR szComponent, DWORD index, LPSTR szProduct)
{
DWORD r;
WCHAR szwProduct[GUID_SIZE];
LPWSTR szwComponent = NULL;
TRACE("%s %d %p\n", debugstr_a(szComponent), index, szProduct);
if ( !szProduct )
return ERROR_INVALID_PARAMETER;
if( szComponent )
{
szwComponent = strdupAtoW( szComponent );
if( !szwComponent )
return ERROR_OUTOFMEMORY;
}
r = MsiEnumClientsW(szComponent?szwComponent:NULL, index, szwProduct);
if( r == ERROR_SUCCESS )
{
WideCharToMultiByte(CP_ACP, 0, szwProduct, -1,
szProduct, GUID_SIZE, NULL, NULL);
}
msi_free( szwComponent);
return r;
}
UINT WINAPI MsiEnumClientsW(LPCWSTR szComponent, DWORD index, LPWSTR szProduct)
{
HKEY hkeyComp = 0;
DWORD r, sz;
WCHAR szValName[SQUASHED_GUID_SIZE];
TRACE("%s %d %p\n", debugstr_w(szComponent), index, szProduct);
if (!szComponent || !*szComponent || !szProduct)
return ERROR_INVALID_PARAMETER;
if (MSIREG_OpenUserDataComponentKey(szComponent, NULL, &hkeyComp, FALSE) != ERROR_SUCCESS &&
MSIREG_OpenUserDataComponentKey(szComponent, szLocalSid, &hkeyComp, FALSE) != ERROR_SUCCESS)
return ERROR_UNKNOWN_COMPONENT;
/* see if there are any products at all */
sz = SQUASHED_GUID_SIZE;
r = RegEnumValueW(hkeyComp, 0, szValName, &sz, NULL, NULL, NULL, NULL);
if (r != ERROR_SUCCESS)
{
RegCloseKey(hkeyComp);
if (index != 0)
return ERROR_INVALID_PARAMETER;
return ERROR_UNKNOWN_COMPONENT;
}
sz = SQUASHED_GUID_SIZE;
r = RegEnumValueW(hkeyComp, index, szValName, &sz, NULL, NULL, NULL, NULL);
if( r == ERROR_SUCCESS )
{
unsquash_guid(szValName, szProduct);
TRACE("-> %s\n", debugstr_w(szProduct));
}
RegCloseKey(hkeyComp);
return r;
}
UINT WINAPI MsiEnumClientsExA(LPCSTR component, LPCSTR usersid, DWORD ctx, DWORD index,
CHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, LPSTR sid, LPDWORD sid_len)
{
FIXME("%s, %s, %u, %u, %p, %p, %p, %p\n", debugstr_a(component), debugstr_a(usersid),
ctx, index, installed_product, installed_ctx, sid, sid_len);
return ERROR_ACCESS_DENIED;
}
UINT WINAPI MsiEnumClientsExW(LPCWSTR component, LPCWSTR usersid, DWORD ctx, DWORD index,
WCHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, LPWSTR sid, LPDWORD sid_len)
{
FIXME("%s, %s, %u, %u, %p, %p, %p, %p\n", debugstr_w(component), debugstr_w(usersid),
ctx, index, installed_product, installed_ctx, sid, sid_len);
return ERROR_ACCESS_DENIED;
}
static UINT MSI_EnumComponentQualifiers( LPCWSTR szComponent, DWORD iIndex,
awstring *lpQualBuf, LPDWORD pcchQual,
awstring *lpAppBuf, LPDWORD pcchAppBuf )
{
DWORD name_sz, val_sz, name_max, val_max, type, ofs;
LPWSTR name = NULL, val = NULL;
UINT r, r2;
HKEY key;
TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
lpQualBuf, pcchQual, lpAppBuf, pcchAppBuf);
if (!szComponent)
return ERROR_INVALID_PARAMETER;
r = MSIREG_OpenUserComponentsKey( szComponent, &key, FALSE );
if (r != ERROR_SUCCESS)
return ERROR_UNKNOWN_COMPONENT;
/* figure out how big the name is we want to return */
name_max = 0x10;
r = ERROR_OUTOFMEMORY;
name = msi_alloc( name_max * sizeof(WCHAR) );
if (!name)
goto end;
val_max = 0x10;
r = ERROR_OUTOFMEMORY;
val = msi_alloc( val_max );
if (!val)
goto end;
/* loop until we allocate enough memory */
while (1)
{
name_sz = name_max;
val_sz = val_max;
r = RegEnumValueW( key, iIndex, name, &name_sz,
NULL, &type, (LPBYTE)val, &val_sz );
if (r == ERROR_SUCCESS)
break;
if (r != ERROR_MORE_DATA)
goto end;
if (type != REG_MULTI_SZ)
{
ERR("component data has wrong type (%d)\n", type);
goto end;
}
r = ERROR_OUTOFMEMORY;
if (name_sz + 1 >= name_max)
{
name_max *= 2;
msi_free( name );
name = msi_alloc( name_max * sizeof (WCHAR) );
if (!name)
goto end;
continue;
}
if (val_sz > val_max)
{
val_max = val_sz + sizeof (WCHAR);
msi_free( val );
val = msi_alloc( val_max * sizeof (WCHAR) );
if (!val)
goto end;
continue;
}
ERR("should be enough data, but isn't %d %d\n", name_sz, val_sz );
goto end;
}
ofs = 0;
r = MsiDecomposeDescriptorW( val, NULL, NULL, NULL, &ofs );
if (r != ERROR_SUCCESS)
goto end;
TRACE("Providing %s and %s\n", debugstr_w(name), debugstr_w(val+ofs));
r = msi_strcpy_to_awstring( name, -1, lpQualBuf, pcchQual );
r2 = msi_strcpy_to_awstring( val+ofs, -1, lpAppBuf, pcchAppBuf );
if (r2 != ERROR_SUCCESS)
r = r2;
end:
msi_free(val);
msi_free(name);
RegCloseKey(key);
return r;
}
/*************************************************************************
* MsiEnumComponentQualifiersA [MSI.@]
*/
UINT WINAPI MsiEnumComponentQualifiersA( LPCSTR szComponent, DWORD iIndex,
LPSTR lpQualifierBuf, LPDWORD pcchQualifierBuf,
LPSTR lpApplicationDataBuf, LPDWORD pcchApplicationDataBuf )
{
awstring qual, appdata;
LPWSTR comp;
UINT r;
TRACE("%s %08x %p %p %p %p\n", debugstr_a(szComponent), iIndex,
lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
pcchApplicationDataBuf);
comp = strdupAtoW( szComponent );
if (szComponent && !comp)
return ERROR_OUTOFMEMORY;
qual.unicode = FALSE;
qual.str.a = lpQualifierBuf;
appdata.unicode = FALSE;
appdata.str.a = lpApplicationDataBuf;
r = MSI_EnumComponentQualifiers( comp, iIndex,
&qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
msi_free( comp );
return r;
}
/*************************************************************************
* MsiEnumComponentQualifiersW [MSI.@]
*/
UINT WINAPI MsiEnumComponentQualifiersW( LPCWSTR szComponent, DWORD iIndex,
LPWSTR lpQualifierBuf, LPDWORD pcchQualifierBuf,
LPWSTR lpApplicationDataBuf, LPDWORD pcchApplicationDataBuf )
{
awstring qual, appdata;
TRACE("%s %08x %p %p %p %p\n", debugstr_w(szComponent), iIndex,
lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf,
pcchApplicationDataBuf);
qual.unicode = TRUE;
qual.str.w = lpQualifierBuf;
appdata.unicode = TRUE;
appdata.str.w = lpApplicationDataBuf;
return MSI_EnumComponentQualifiers( szComponent, iIndex,
&qual, pcchQualifierBuf, &appdata, pcchApplicationDataBuf );
}
/*************************************************************************
* MsiEnumRelatedProductsW [MSI.@]
*
*/
UINT WINAPI MsiEnumRelatedProductsW(LPCWSTR szUpgradeCode, DWORD dwReserved,
DWORD iProductIndex, LPWSTR lpProductBuf)
{
UINT r;
HKEY hkey;
WCHAR szKeyName[SQUASHED_GUID_SIZE];
DWORD dwSize = ARRAY_SIZE(szKeyName);
TRACE("%s %u %u %p\n", debugstr_w(szUpgradeCode), dwReserved,
iProductIndex, lpProductBuf);
if (NULL == szUpgradeCode)
return ERROR_INVALID_PARAMETER;
if (NULL == lpProductBuf)
return ERROR_INVALID_PARAMETER;
r = MSIREG_OpenUpgradeCodesKey(szUpgradeCode, &hkey, FALSE);
if (r != ERROR_SUCCESS)
return ERROR_NO_MORE_ITEMS;
r = RegEnumValueW(hkey, iProductIndex, szKeyName, &dwSize, NULL, NULL, NULL, NULL);
if( r == ERROR_SUCCESS )
unsquash_guid(szKeyName, lpProductBuf);
RegCloseKey(hkey);
return r;
}
/*************************************************************************
* MsiEnumRelatedProductsA [MSI.@]
*
*/
UINT WINAPI MsiEnumRelatedProductsA(LPCSTR szUpgradeCode, DWORD dwReserved,
DWORD iProductIndex, LPSTR lpProductBuf)
{
LPWSTR szwUpgradeCode = NULL;
WCHAR productW[GUID_SIZE];
UINT r;
TRACE("%s %u %u %p\n", debugstr_a(szUpgradeCode), dwReserved,
iProductIndex, lpProductBuf);
if (szUpgradeCode)
{
szwUpgradeCode = strdupAtoW( szUpgradeCode );
if( !szwUpgradeCode )
return ERROR_OUTOFMEMORY;
}
r = MsiEnumRelatedProductsW( szwUpgradeCode, dwReserved,
iProductIndex, productW );
if (r == ERROR_SUCCESS)
{
WideCharToMultiByte( CP_ACP, 0, productW, GUID_SIZE,
lpProductBuf, GUID_SIZE, NULL, NULL );
}
msi_free( szwUpgradeCode);
return r;
}
/***********************************************************************
* MsiEnumPatchesExA [MSI.@]
*/
UINT WINAPI MsiEnumPatchesExA(LPCSTR szProductCode, LPCSTR szUserSid,
DWORD dwContext, DWORD dwFilter, DWORD dwIndex, LPSTR szPatchCode,
LPSTR szTargetProductCode, MSIINSTALLCONTEXT *pdwTargetProductContext,
LPSTR szTargetUserSid, LPDWORD pcchTargetUserSid)
{
LPWSTR prodcode = NULL;
LPWSTR usersid = NULL;
LPWSTR targsid = NULL;
WCHAR patch[GUID_SIZE];
WCHAR targprod[GUID_SIZE];
DWORD len;
UINT r;
TRACE("(%s, %s, %d, %d, %d, %p, %p, %p, %p, %p)\n",
debugstr_a(szProductCode), debugstr_a(szUserSid), dwContext, dwFilter,
dwIndex, szPatchCode, szTargetProductCode, pdwTargetProductContext,
szTargetUserSid, pcchTargetUserSid);
if (szTargetUserSid && !pcchTargetUserSid)
return ERROR_INVALID_PARAMETER;
if (szProductCode) prodcode = strdupAtoW(szProductCode);
if (szUserSid) usersid = strdupAtoW(szUserSid);
r = MsiEnumPatchesExW(prodcode, usersid, dwContext, dwFilter, dwIndex,
patch, targprod, pdwTargetProductContext,
NULL, &len);
if (r != ERROR_SUCCESS)
goto done;
WideCharToMultiByte(CP_ACP, 0, patch, -1, szPatchCode,
GUID_SIZE, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, targprod, -1, szTargetProductCode,
GUID_SIZE, NULL, NULL);
if (!szTargetUserSid)
{
if (pcchTargetUserSid)
*pcchTargetUserSid = len;
goto done;
}
targsid = msi_alloc(++len * sizeof(WCHAR));
if (!targsid)
{
r = ERROR_OUTOFMEMORY;
goto done;
}
r = MsiEnumPatchesExW(prodcode, usersid, dwContext, dwFilter, dwIndex,
patch, targprod, pdwTargetProductContext,
targsid, &len);
if (r != ERROR_SUCCESS || !szTargetUserSid)
goto done;
WideCharToMultiByte(CP_ACP, 0, targsid, -1, szTargetUserSid,
*pcchTargetUserSid, NULL, NULL);
len = lstrlenW(targsid);
if (*pcchTargetUserSid < len + 1)
{
r = ERROR_MORE_DATA;
*pcchTargetUserSid = len * sizeof(WCHAR);
}
else
*pcchTargetUserSid = len;
done:
msi_free(prodcode);
msi_free(usersid);
msi_free(targsid);
return r;
}
static UINT msi_get_patch_state(LPCWSTR prodcode, LPCWSTR usersid,
MSIINSTALLCONTEXT context,
LPWSTR patch, MSIPATCHSTATE *state)
{
DWORD type, val, size;
HKEY prod, hkey = 0;
HKEY udpatch = 0;
LONG res;
UINT r = ERROR_NO_MORE_ITEMS;
*state = MSIPATCHSTATE_INVALID;
r = MSIREG_OpenUserDataProductKey(prodcode, context,
usersid, &prod, FALSE);
if (r != ERROR_SUCCESS)
return ERROR_NO_MORE_ITEMS;
res = RegOpenKeyExW(prod, szPatches, 0, KEY_READ, &hkey);
if (res != ERROR_SUCCESS)
goto done;
res = RegOpenKeyExW(hkey, patch, 0, KEY_READ, &udpatch);
if (res != ERROR_SUCCESS)
goto done;
size = sizeof(DWORD);
res = RegGetValueW(udpatch, NULL, szState, RRF_RT_DWORD, &type, &val, &size);
if (res != ERROR_SUCCESS ||
val < MSIPATCHSTATE_APPLIED || val > MSIPATCHSTATE_REGISTERED)
{
r = ERROR_BAD_CONFIGURATION;
goto done;
}
*state = val;
r = ERROR_SUCCESS;
done:
RegCloseKey(udpatch);
RegCloseKey(hkey);
RegCloseKey(prod);
return r;
}
static UINT msi_check_product_patches(LPCWSTR prodcode, LPCWSTR usersid,
MSIINSTALLCONTEXT context, DWORD filter, DWORD index, DWORD *idx,
LPWSTR patch, LPWSTR targetprod, MSIINSTALLCONTEXT *targetctx,
LPWSTR targetsid, DWORD *sidsize, LPWSTR *transforms)
{
MSIPATCHSTATE state = MSIPATCHSTATE_INVALID;
LPWSTR ptr, patches = NULL;
HKEY prod, patchkey = 0;
HKEY localprod = 0, localpatch = 0;
DWORD type, size;
LONG res;
UINT temp, r = ERROR_NO_MORE_ITEMS;
if (MSIREG_OpenProductKey(prodcode, usersid, context,
&prod, FALSE) != ERROR_SUCCESS)
return ERROR_NO_MORE_ITEMS;
size = 0;
res = RegGetValueW(prod, szPatches, szPatches, RRF_RT_ANY, &type, NULL,
&size);
if (res != ERROR_SUCCESS)
goto done;
if (type != REG_MULTI_SZ)
{
r = ERROR_BAD_CONFIGURATION;
goto done;
}
patches = msi_alloc(size);
if (!patches)
{
r = ERROR_OUTOFMEMORY;
goto done;
}
res = RegGetValueW(prod, szPatches, szPatches, RRF_RT_ANY, &type,
patches, &size);
if (res != ERROR_SUCCESS)
goto done;
for (ptr = patches; *ptr && r == ERROR_NO_MORE_ITEMS; ptr += lstrlenW(ptr) + 1)
{
if (!unsquash_guid(ptr, patch))
{
r = ERROR_BAD_CONFIGURATION;
goto done;
}
size = 0;
res = RegGetValueW(prod, szPatches, ptr, RRF_RT_REG_SZ,
&type, NULL, &size);
if (res != ERROR_SUCCESS)
continue;
if (transforms)
{
*transforms = msi_alloc(size);
if (!*transforms)
{
r = ERROR_OUTOFMEMORY;
goto done;
}
res = RegGetValueW(prod, szPatches, ptr, RRF_RT_REG_SZ,
&type, *transforms, &size);
if (res != ERROR_SUCCESS)
continue;
}
if (context == MSIINSTALLCONTEXT_USERMANAGED)
{
if (!(filter & MSIPATCHSTATE_APPLIED))
{
temp = msi_get_patch_state(prodcode, usersid, context,
ptr, &state);
if (temp == ERROR_BAD_CONFIGURATION)
{
r = ERROR_BAD_CONFIGURATION;
goto done;
}
if (temp != ERROR_SUCCESS || !(filter & state))
continue;
}
}
else if (context == MSIINSTALLCONTEXT_USERUNMANAGED)
{
if (!(filter & MSIPATCHSTATE_APPLIED))
{
temp = msi_get_patch_state(prodcode, usersid, context,
ptr, &state);
if (temp == ERROR_BAD_CONFIGURATION)
{
r = ERROR_BAD_CONFIGURATION;
goto done;
}
if (temp != ERROR_SUCCESS || !(filter & state))
continue;
}
else
{
temp = MSIREG_OpenUserDataPatchKey(patch, context,
&patchkey, FALSE);
RegCloseKey(patchkey);
if (temp != ERROR_SUCCESS)
continue;
}
}
else if (context == MSIINSTALLCONTEXT_MACHINE)
{
usersid = szEmpty;
if (MSIREG_OpenUserDataProductKey(prodcode, context, NULL, &localprod, FALSE) == ERROR_SUCCESS &&
RegOpenKeyExW(localprod, szPatches, 0, KEY_READ, &localpatch) == ERROR_SUCCESS &&
RegOpenKeyExW(localpatch, ptr, 0, KEY_READ, &patchkey) == ERROR_SUCCESS)
{
res = RegGetValueW(patchkey, NULL, szState, RRF_RT_REG_DWORD,
&type, &state, &size);
if (!(filter & state))
res = ERROR_NO_MORE_ITEMS;
RegCloseKey(patchkey);
}
RegCloseKey(localpatch);
RegCloseKey(localprod);
if (res != ERROR_SUCCESS)
continue;
}
if (*idx < index)
{
(*idx)++;
continue;
}
r = ERROR_SUCCESS;
if (targetprod)
lstrcpyW(targetprod, prodcode);
if (targetctx)
*targetctx = context;
if (targetsid)
{
lstrcpynW(targetsid, usersid, *sidsize);
if (lstrlenW(usersid) >= *sidsize)
r = ERROR_MORE_DATA;
}
if (sidsize)
{
*sidsize = lstrlenW(usersid);
if (!targetsid)
*sidsize *= sizeof(WCHAR);
}
}
done:
RegCloseKey(prod);
msi_free(patches);
return r;
}
static UINT msi_enum_patches(LPCWSTR szProductCode, LPCWSTR szUserSid,
DWORD dwContext, DWORD dwFilter, DWORD dwIndex, DWORD *idx,
LPWSTR szPatchCode, LPWSTR szTargetProductCode,
MSIINSTALLCONTEXT *pdwTargetProductContext, LPWSTR szTargetUserSid,
LPDWORD pcchTargetUserSid, LPWSTR *szTransforms)
{
LPWSTR usersid = NULL;
UINT r = ERROR_INVALID_PARAMETER;
if (!szUserSid)
{
szUserSid = usersid = get_user_sid();
if (!usersid) return ERROR_FUNCTION_FAILED;
}
if (dwContext & MSIINSTALLCONTEXT_USERMANAGED)
{
r = msi_check_product_patches(szProductCode, szUserSid,
MSIINSTALLCONTEXT_USERMANAGED, dwFilter,
dwIndex, idx, szPatchCode,
szTargetProductCode,
pdwTargetProductContext, szTargetUserSid,
pcchTargetUserSid, szTransforms);
if (r != ERROR_NO_MORE_ITEMS)
goto done;
}
if (dwContext & MSIINSTALLCONTEXT_USERUNMANAGED)
{
r = msi_check_product_patches(szProductCode, szUserSid,
MSIINSTALLCONTEXT_USERUNMANAGED, dwFilter,
dwIndex, idx, szPatchCode,
szTargetProductCode,
pdwTargetProductContext, szTargetUserSid,
pcchTargetUserSid, szTransforms);
if (r != ERROR_NO_MORE_ITEMS)
goto done;
}
if (dwContext & MSIINSTALLCONTEXT_MACHINE)
{
r = msi_check_product_patches(szProductCode, szUserSid,
MSIINSTALLCONTEXT_MACHINE, dwFilter,
dwIndex, idx, szPatchCode,
szTargetProductCode,
pdwTargetProductContext, szTargetUserSid,
pcchTargetUserSid, szTransforms);
if (r != ERROR_NO_MORE_ITEMS)
goto done;
}
done:
LocalFree(usersid);
return r;
}
/***********************************************************************
* MsiEnumPatchesExW [MSI.@]
*/
UINT WINAPI MsiEnumPatchesExW(LPCWSTR szProductCode, LPCWSTR szUserSid,
DWORD dwContext, DWORD dwFilter, DWORD dwIndex, LPWSTR szPatchCode,
LPWSTR szTargetProductCode, MSIINSTALLCONTEXT *pdwTargetProductContext,
LPWSTR szTargetUserSid, LPDWORD pcchTargetUserSid)
{
WCHAR squashed_pc[SQUASHED_GUID_SIZE];
DWORD idx = 0;
UINT r;
static DWORD last_index;
TRACE("(%s, %s, %d, %d, %d, %p, %p, %p, %p, %p)\n",
debugstr_w(szProductCode), debugstr_w(szUserSid), dwContext, dwFilter,
dwIndex, szPatchCode, szTargetProductCode, pdwTargetProductContext,
szTargetUserSid, pcchTargetUserSid);
if (!szProductCode || !squash_guid( szProductCode, squashed_pc ))
return ERROR_INVALID_PARAMETER;
if (szUserSid && !strcmpW( szUserSid, szLocalSid ))
return ERROR_INVALID_PARAMETER;
if (dwContext & MSIINSTALLCONTEXT_MACHINE && szUserSid)
return ERROR_INVALID_PARAMETER;
if (dwContext <= MSIINSTALLCONTEXT_NONE ||
dwContext > MSIINSTALLCONTEXT_ALL)
return ERROR_INVALID_PARAMETER;
if (dwFilter <= MSIPATCHSTATE_INVALID || dwFilter > MSIPATCHSTATE_ALL)
return ERROR_INVALID_PARAMETER;
if (dwIndex && dwIndex - last_index != 1)
return ERROR_INVALID_PARAMETER;
if (dwIndex == 0)
last_index = 0;
r = msi_enum_patches(szProductCode, szUserSid, dwContext, dwFilter,
dwIndex, &idx, szPatchCode, szTargetProductCode,
pdwTargetProductContext, szTargetUserSid,
pcchTargetUserSid, NULL);
if (r == ERROR_SUCCESS)
last_index = dwIndex;
else
last_index = 0;
return r;
}
/***********************************************************************
* MsiEnumPatchesA [MSI.@]
*/
UINT WINAPI MsiEnumPatchesA(LPCSTR szProduct, DWORD iPatchIndex,
LPSTR lpPatchBuf, LPSTR lpTransformsBuf, LPDWORD pcchTransformsBuf)
{
LPWSTR product, transforms;
WCHAR patch[GUID_SIZE];
DWORD len;
UINT r;
TRACE("(%s %d %p %p %p)\n", debugstr_a(szProduct), iPatchIndex,
lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
if (!szProduct || !lpPatchBuf || !lpTransformsBuf || !pcchTransformsBuf)
return ERROR_INVALID_PARAMETER;
product = strdupAtoW(szProduct);
if (!product)
return ERROR_OUTOFMEMORY;
len = *pcchTransformsBuf;
transforms = msi_alloc( len * sizeof(WCHAR) );
if (!transforms)
{
r = ERROR_OUTOFMEMORY;
goto done;
}
r = MsiEnumPatchesW(product, iPatchIndex, patch, transforms, &len);
if (r != ERROR_SUCCESS && r != ERROR_MORE_DATA)
goto done;
WideCharToMultiByte(CP_ACP, 0, patch, -1, lpPatchBuf,
GUID_SIZE, NULL, NULL);
if (!WideCharToMultiByte(CP_ACP, 0, transforms, -1, lpTransformsBuf,
*pcchTransformsBuf, NULL, NULL))
r = ERROR_MORE_DATA;
if (r == ERROR_MORE_DATA)
{
lpTransformsBuf[*pcchTransformsBuf - 1] = '\0';
*pcchTransformsBuf = len * 2;
}
else
*pcchTransformsBuf = strlen( lpTransformsBuf );
done:
msi_free(transforms);
msi_free(product);
return r;
}
/***********************************************************************
* MsiEnumPatchesW [MSI.@]
*/
UINT WINAPI MsiEnumPatchesW(LPCWSTR szProduct, DWORD iPatchIndex,
LPWSTR lpPatchBuf, LPWSTR lpTransformsBuf, LPDWORD pcchTransformsBuf)
{
WCHAR *transforms = NULL, squashed_pc[SQUASHED_GUID_SIZE];
HKEY prod;
DWORD idx = 0;
UINT r;
TRACE("(%s %d %p %p %p)\n", debugstr_w(szProduct), iPatchIndex,
lpPatchBuf, lpTransformsBuf, pcchTransformsBuf);
if (!szProduct || !squash_guid( szProduct, squashed_pc ))
return ERROR_INVALID_PARAMETER;
if (!lpPatchBuf || !lpTransformsBuf || !pcchTransformsBuf)
return ERROR_INVALID_PARAMETER;
if (MSIREG_OpenProductKey(szProduct, NULL, MSIINSTALLCONTEXT_USERMANAGED,
&prod, FALSE) != ERROR_SUCCESS &&
MSIREG_OpenProductKey(szProduct, NULL, MSIINSTALLCONTEXT_USERUNMANAGED,
&prod, FALSE) != ERROR_SUCCESS &&
MSIREG_OpenProductKey(szProduct, NULL, MSIINSTALLCONTEXT_MACHINE,
&prod, FALSE) != ERROR_SUCCESS)
return ERROR_UNKNOWN_PRODUCT;
RegCloseKey(prod);
r = msi_enum_patches(szProduct, NULL, MSIINSTALLCONTEXT_ALL,
MSIPATCHSTATE_ALL, iPatchIndex, &idx, lpPatchBuf,
NULL, NULL, NULL, NULL, &transforms);
if (r != ERROR_SUCCESS)
goto done;
lstrcpynW(lpTransformsBuf, transforms, *pcchTransformsBuf);
if (*pcchTransformsBuf <= lstrlenW(transforms))
{
r = ERROR_MORE_DATA;
*pcchTransformsBuf = lstrlenW(transforms);
}
else
*pcchTransformsBuf = lstrlenW(transforms);
done:
msi_free(transforms);
return r;
}
UINT WINAPI MsiEnumProductsExA( LPCSTR product, LPCSTR usersid, DWORD ctx, DWORD index,
CHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, LPSTR sid, LPDWORD sid_len )
{
UINT r;
WCHAR installed_productW[GUID_SIZE], *productW = NULL, *usersidW = NULL, *sidW = NULL;
TRACE("%s, %s, %u, %u, %p, %p, %p, %p\n", debugstr_a(product), debugstr_a(usersid),
ctx, index, installed_product, installed_ctx, sid, sid_len);
if (sid && !sid_len) return ERROR_INVALID_PARAMETER;
if (product && !(productW = strdupAtoW( product ))) return ERROR_OUTOFMEMORY;
if (usersid && !(usersidW = strdupAtoW( usersid )))
{
msi_free( productW );
return ERROR_OUTOFMEMORY;
}
if (sid && !(sidW = msi_alloc( *sid_len * sizeof(WCHAR) )))
{
msi_free( usersidW );
msi_free( productW );
return ERROR_OUTOFMEMORY;
}
r = MsiEnumProductsExW( productW, usersidW, ctx, index, installed_productW,
installed_ctx, sidW, sid_len );
if (r == ERROR_SUCCESS)
{
if (installed_product) WideCharToMultiByte( CP_ACP, 0, installed_productW, GUID_SIZE,
installed_product, GUID_SIZE, NULL, NULL );
if (sid) WideCharToMultiByte( CP_ACP, 0, sidW, *sid_len + 1, sid, *sid_len + 1, NULL, NULL );
}
msi_free( productW );
msi_free( usersidW );
msi_free( sidW );
return r;
}
static UINT fetch_machine_product( const WCHAR *match, DWORD index, DWORD *idx,
WCHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, WCHAR *sid, DWORD *sid_len )
{
static const WCHAR productsW[] =
{'S','o','f','t','w','a','r','e','\\','C','l','a','s','s','e','s','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s',0};
UINT r;
WCHAR product[SQUASHED_GUID_SIZE];
DWORD i = 0, len;
REGSAM access = KEY_ENUMERATE_SUB_KEYS | KEY_WOW64_64KEY;
HKEY key;
if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, productsW, 0, access, &key ))
return ERROR_NO_MORE_ITEMS;
len = ARRAY_SIZE( product );
while (!RegEnumKeyExW( key, i, product, &len, NULL, NULL, NULL, NULL ))
{
if (match && strcmpW( match, product ))
{
i++;
len = ARRAY_SIZE( product );
continue;
}
if (*idx == index) goto found;
(*idx)++;
len = ARRAY_SIZE( product );
i++;
}
RegCloseKey( key );
return ERROR_NO_MORE_ITEMS;
found:
if (sid_len && *sid_len < 1)
{
*sid_len = 1;
r = ERROR_MORE_DATA;
}
else
{
if (installed_product) unsquash_guid( product, installed_product );
if (installed_ctx) *installed_ctx = MSIINSTALLCONTEXT_MACHINE;
if (sid)
{
sid[0] = 0;
*sid_len = 0;
}
r = ERROR_SUCCESS;
}
RegCloseKey( key );
return r;
}
static UINT fetch_user_product( const WCHAR *match, const WCHAR *usersid, DWORD ctx, DWORD index,
DWORD *idx, WCHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, WCHAR *sid, DWORD *sid_len )
{
static const WCHAR managedW[] =
{'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s',
'i','o','n','\\','I','n','s','t','a','l','l','e','r','\\','M','a','n','a','g','e','d',0};
static const WCHAR managed_productsW[] =
{'\\','I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s',0};
static const WCHAR unmanaged_productsW[] =
{'\\','S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\','P','r','o','d','u','c','t','s',0};
UINT r;
const WCHAR *subkey;
WCHAR path[MAX_PATH], product[SQUASHED_GUID_SIZE], user[128];
DWORD i = 0, j = 0, len_product, len_user;
REGSAM access = KEY_ENUMERATE_SUB_KEYS | KEY_WOW64_64KEY;
HKEY key_users, key_products;
if (ctx == MSIINSTALLCONTEXT_USERMANAGED)
{
subkey = managed_productsW;
if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, managedW, 0, access, &key_users ))
return ERROR_NO_MORE_ITEMS;
}
else if (ctx == MSIINSTALLCONTEXT_USERUNMANAGED)
{
subkey = unmanaged_productsW;
if (RegOpenKeyExW( HKEY_USERS, NULL, 0, access, &key_users ))
return ERROR_NO_MORE_ITEMS;
}
else return ERROR_INVALID_PARAMETER;
len_user = ARRAY_SIZE( user );
while (!RegEnumKeyExW( key_users, i, user, &len_user, NULL, NULL, NULL, NULL ))
{
if (strcmpW( usersid, user ) && strcmpW( usersid, szAllSid ))
{
i++;
len_user = ARRAY_SIZE( user );
continue;
}
strcpyW( path, user );
strcatW( path, subkey );
if (RegOpenKeyExW( key_users, path, 0, access, &key_products ))
{
i++;
len_user = ARRAY_SIZE( user );
continue;
}
len_product = ARRAY_SIZE( product );
while (!RegEnumKeyExW( key_products, j, product, &len_product, NULL, NULL, NULL, NULL ))
{
if (match && strcmpW( match, product ))
{
j++;
len_product = ARRAY_SIZE( product );
continue;
}
if (*idx == index) goto found;
(*idx)++;
len_product = ARRAY_SIZE( product );
j++;
}
RegCloseKey( key_products );
len_user = ARRAY_SIZE( user );
i++;
}
RegCloseKey( key_users );
return ERROR_NO_MORE_ITEMS;
found:
if (sid_len && *sid_len <= len_user)
{
*sid_len = len_user;
r = ERROR_MORE_DATA;
}
else
{
if (installed_product) unsquash_guid( product, installed_product );
if (installed_ctx) *installed_ctx = ctx;
if (sid)
{
strcpyW( sid, user );
*sid_len = len_user;
}
r = ERROR_SUCCESS;
}
RegCloseKey( key_products );
RegCloseKey( key_users );
return r;
}
static UINT enum_products( const WCHAR *product, const WCHAR *usersid, DWORD ctx, DWORD index,
DWORD *idx, WCHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, WCHAR *sid, DWORD *sid_len )
{
UINT r = ERROR_NO_MORE_ITEMS;
WCHAR *user = NULL;
if (!usersid)
{
usersid = user = get_user_sid();
if (!user) return ERROR_FUNCTION_FAILED;
}
if (ctx & MSIINSTALLCONTEXT_MACHINE)
{
r = fetch_machine_product( product, index, idx, installed_product, installed_ctx,
sid, sid_len );
if (r != ERROR_NO_MORE_ITEMS) goto done;
}
if (ctx & MSIINSTALLCONTEXT_USERUNMANAGED)
{
r = fetch_user_product( product, usersid, MSIINSTALLCONTEXT_USERUNMANAGED, index,
idx, installed_product, installed_ctx, sid, sid_len );
if (r != ERROR_NO_MORE_ITEMS) goto done;
}
if (ctx & MSIINSTALLCONTEXT_USERMANAGED)
{
r = fetch_user_product( product, usersid, MSIINSTALLCONTEXT_USERMANAGED, index,
idx, installed_product, installed_ctx, sid, sid_len );
if (r != ERROR_NO_MORE_ITEMS) goto done;
}
done:
LocalFree( user );
return r;
}
UINT WINAPI MsiEnumProductsExW( LPCWSTR product, LPCWSTR usersid, DWORD ctx, DWORD index,
WCHAR installed_product[GUID_SIZE],
MSIINSTALLCONTEXT *installed_ctx, LPWSTR sid, LPDWORD sid_len )
{
UINT r;
DWORD idx = 0;
static DWORD last_index;
TRACE("%s, %s, %u, %u, %p, %p, %p, %p\n", debugstr_w(product), debugstr_w(usersid),
ctx, index, installed_product, installed_ctx, sid, sid_len);
if ((sid && !sid_len) || !ctx || (usersid && ctx == MSIINSTALLCONTEXT_MACHINE))
return ERROR_INVALID_PARAMETER;
if (index && index - last_index != 1)
return ERROR_INVALID_PARAMETER;
if (!index) last_index = 0;
r = enum_products( product, usersid, ctx, index, &idx, installed_product, installed_ctx,
sid, sid_len );
if (r == ERROR_SUCCESS)
last_index = index;
else
last_index = 0;
return r;
}
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