ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

msi: Be more selective about which access modes are used to open or create keys. 

An installer was failing when trying to create subkeys after denying
delete access to their parent key.
This commit is contained in:
Huw Davies 2015-07-15 12:32:19 +01:00 committed by Alexandre Julliard
parent 4a992fec01
commit e1a65bed68
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
dlls/msi/action.c
View File

@ -2633,9 +2633,8 @@ static inline REGSAM get_registry_view( const MSICOMPONENT *comp )
return view;
}
static HKEY open_key( const MSICOMPONENT *comp, HKEY root, const WCHAR *path, BOOL create )
static HKEY open_key( const MSICOMPONENT *comp, HKEY root, const WCHAR *path, BOOL create, REGSAM access )
{
REGSAM access = KEY_ALL_ACCESS;
WCHAR *subkey, *p, *q;
HKEY hkey, ret = NULL;
LONG res;
@ -2657,7 +2656,7 @@ static HKEY open_key( const MSICOMPONENT *comp, HKEY root, const WCHAR *path, BO
}
if (q && q[1])
{
ret = open_key( comp, hkey, q + 1, create );
ret = open_key( comp, hkey, q + 1, create, access );
RegCloseKey( hkey );
}
else ret = hkey;
@ -2882,7 +2881,7 @@ static UINT ITERATE_WriteRegistryValues(MSIRECORD *row, LPVOID param)
strcpyW(uikey,szRoot);
strcatW(uikey,deformated);
if (!(hkey = open_key( comp, root_key, deformated, TRUE )))
if (!(hkey = open_key( comp, root_key, deformated, TRUE, KEY_QUERY_VALUE | KEY_SET_VALUE )))
{
ERR("Could not create key %s\n", debugstr_w(deformated));
msi_free(uikey);
@ -2979,7 +2978,7 @@ static void delete_key( const MSICOMPONENT *comp, HKEY root, const WCHAR *path )
{
*p = 0;
if (!p[1]) continue; /* trailing backslash */
hkey = open_key( comp, root, subkey, FALSE );
hkey = open_key( comp, root, subkey, FALSE, access );
if (!hkey) break;
res = RegDeleteKeyExW( hkey, p + 1, access, 0 );
RegCloseKey( hkey );
@ -3001,7 +3000,7 @@ static void delete_value( const MSICOMPONENT *comp, HKEY root, const WCHAR *path
HKEY hkey;
DWORD num_subkeys, num_values;
if ((hkey = open_key( comp, root, path, FALSE )))
if ((hkey = open_key( comp, root, path, FALSE, KEY_SET_VALUE | KEY_QUERY_VALUE )))
{
if ((res = RegDeleteValueW( hkey, value )))
TRACE("failed to delete value %s (%d)\n", debugstr_w(value), res);
@ -3022,7 +3021,7 @@ static void delete_tree( const MSICOMPONENT *comp, HKEY root, const WCHAR *path
LONG res;
HKEY hkey;
if (!(hkey = open_key( comp, root, path, FALSE ))) return;
if (!(hkey = open_key( comp, root, path, FALSE, KEY_ALL_ACCESS ))) return;
res = RegDeleteTreeW( hkey, NULL );
if (res) TRACE("failed to delete subtree of %s (%d)\n", debugstr_w(path), res);
delete_key( comp, root, path );