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Fix #375893, patch by Ben Hague:

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2007-11-28  Tor Lillqvist  <tml@novell.com>

	Fix #375893, patch by Ben Hague:

	* gtk/gtkfilesystemwin32.c (get_viewable_logical_drives): Wrapper
	around GetLogicalDrives() that takes also the viewable drive
	restrictions in the Registry (which are usually the result of an
	Active Directory Group Policy) into account.

	(check_volumes, gtk_file_system_win32_list_volumes) Call
	get_viewable_logical_drives() instead of GetLogicalDrives().


svn path=/trunk/; revision=19079
This commit is contained in:
Tor Lillqvist 2007-11-27 22:29:46 +00:00 committed by Tor Lillqvist
parent cd2d87b471
commit d0f50cde27
2 changed files with 64 additions and 6 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2007-11-28 Tor Lillqvist <tml@novell.com>
Fix #375893, patch by Ben Hague:
* gtk/gtkfilesystemwin32.c (get_viewable_logical_drives): Wrapper
around GetLogicalDrives() that takes also the viewable drive
restrictions in the Registry (which are usually the result of an
Active Directory Group Policy) into account.
(check_volumes, gtk_file_system_win32_list_volumes) Call
get_viewable_logical_drives() instead of GetLogicalDrives().
2007-11-27 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkwindow.c (gtk_window_move_resize): Zero some

58
gtk/gtkfilesystemwin32.c
View File

@ -50,6 +50,7 @@
#undef STRICT
#include <shlobj.h>
#include <shellapi.h>
#include <winreg.h>
#define BOOKMARKS_FILENAME ".gtk-bookmarks"
@ -330,6 +331,51 @@ gtk_file_system_win32_iface_init (GtkFileSystemIface *iface)
iface->set_bookmark_label = gtk_file_system_win32_set_bookmark_label;
}
/**
* get_viewable_logical_drives:
*
* Returns the list of logical and viewable drives as defined by
* GetLogicalDrives() and the registry keys
* Software\Microsoft\Windows\CurrentVersion\Policies\Explorer under
* HKLM or HKCU. If neither key exists the result of
* GetLogicalDrives() is returned.
*
* Return value: bitmask with same meaning as returned by GetLogicalDrives()
**/
static guint32
get_viewable_logical_drives (void)
{
guint viewable_drives = GetLogicalDrives ();
HKEY my_key;
DWORD var_type = REG_DWORD; //the value's a REG_DWORD type
DWORD no_drives_size = 4;
DWORD no_drives;
gboolean hklm_present = FALSE;
RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer", 0, KEY_READ, &my_key);
if (RegQueryValueEx (my_key, "NoDrives", NULL, &var_type, &no_drives, &no_drives_size) == ERROR_SUCCESS)
{
// We need the bits that are set in viewable_drives, and unset in no_drives.
viewable_drives = viewable_drives & ~no_drives;
hklm_present = TRUE;
}
// If the key is present in HKLM then the one in HKCU should be ignored
if (!hklm_present)
{
RegOpenKeyEx (HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer", 0, KEY_READ, &my_key);
if (RegQueryValueEx (my_key, "NoDrives", NULL, &var_type, &no_drives, &no_drives_size) == ERROR_SUCCESS)
{
// We need the bits that are set in viewable_drives, and unset in no_drives.
viewable_drives = viewable_drives & ~no_drives;
}
}
RegCloseKey (my_key);
return viewable_drives;
}
static gboolean
check_volumes (gpointer data)
{
@ -337,10 +383,10 @@ check_volumes (gpointer data)
g_return_val_if_fail (system_win32, FALSE);
if (system_win32->drives != GetLogicalDrives())
{
g_signal_emit_by_name (system_win32, "volumes-changed", 0);
}
if (system_win32->drives != get_viewable_logical_drives ())
{
g_signal_emit_by_name (system_win32, "volumes-changed", 0);
}
return TRUE;
}
@ -527,11 +573,11 @@ gtk_file_system_win32_list_volumes (GtkFileSystem *file_system)
GSList *list = NULL;
GtkFileSystemWin32 *system_win32 = (GtkFileSystemWin32 *)file_system;
drives = GetLogicalDrives();
drives = get_viewable_logical_drives ();
system_win32->drives = drives;
if (!drives)
g_warning ("GetLogicalDrives failed.");
g_warning ("get_viewable_logical_drives failed.");
while (drives && drive[0] <= 'Z')
{