diff options
Diffstat (limited to 'winsup/cygwin/path.cc')
| -rw-r--r-- | winsup/cygwin/path.cc | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc index b9d737d..688804a 100644 --- a/winsup/cygwin/path.cc +++ b/winsup/cygwin/path.cc @@ -348,6 +348,7 @@ fs_info::update (const char *win32_path) { char fsname [CYG_MAX_PATH]; char root_dir [CYG_MAX_PATH]; + bool ret; if (!rootdir (win32_path, root_dir)) { @@ -372,6 +373,10 @@ fs_info::update (const char *win32_path) } name_hash = tmp_name_hash; + /* I have no idea why, but some machines require SeChangeNotifyPrivilege + to access volume information. */ + push_thread_privilege (SE_CHANGE_NOTIFY_PRIV, true); + drive_type (GetDriveType (root_dir)); if (drive_type () == DRIVE_REMOTE || (drive_type () == DRIVE_UNKNOWN @@ -380,9 +385,12 @@ fs_info::update (const char *win32_path) else is_remote_drive (false); - if (!GetVolumeInformation (root_dir, NULL, 0, &status.serial, NULL, - &status.flags, fsname, sizeof (fsname)) - && !is_remote_drive ()) + ret = GetVolumeInformation (root_dir, NULL, 0, &status.serial, NULL, + &status.flags, fsname, sizeof (fsname)); + + pop_thread_privilege (); + + if (!ret && !is_remote_drive ()) { debug_printf ("Cannot get volume information (%s), %E", root_dir); has_buggy_open (false); @@ -390,6 +398,7 @@ fs_info::update (const char *win32_path) flags () = serial () = 0; return false; } + /* FIXME: Samba by default returns "NTFS" in file system name, but * doesn't support Extended Attributes. If there's some fast way to * distinguish between samba and real ntfs, it should be implemented |