From patchwork Fri Oct 21 12:48:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Weinberger X-Patchwork-Id: 9388995 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B3FE5607D0 for ; Fri, 21 Oct 2016 12:59:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A62782A18E for ; Fri, 21 Oct 2016 12:59:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9AB892A192; Fri, 21 Oct 2016 12:59:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2A0202A18E for ; Fri, 21 Oct 2016 12:59:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933589AbcJUM7G (ORCPT ); Fri, 21 Oct 2016 08:59:06 -0400 Received: from mail.sigma-star.at ([95.130.255.111]:46004 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933132AbcJUMtQ (ORCPT ); Fri, 21 Oct 2016 08:49:16 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.sigma-star.at (Postfix) with ESMTP id 228FB24E000C; Fri, 21 Oct 2016 14:49:12 +0200 (CEST) X-Virus-Scanned: amavisd-new at mail.sigma-star.at Received: from linux.site (richard.vpn.sigmapriv.at [10.3.0.5]) by mail.sigma-star.at (Postfix) with ESMTPSA id 51C9E24E000A; Fri, 21 Oct 2016 14:49:11 +0200 (CEST) From: Richard Weinberger To: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, dedekind1@gmail.com, adrian.hunter@intel.com, tytso@mit.edu, jaegeuk@kernel.org, david@sigma-star.at, wd@denx.de, sbabic@denx.de, dengler@linutronix.de, Richard Weinberger Subject: [PATCH 08/26] ubifs: Implement directory open operation Date: Fri, 21 Oct 2016 14:48:23 +0200 Message-Id: <1477054121-10198-9-git-send-email-richard@nod.at> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1477054121-10198-1-git-send-email-richard@nod.at> References: <1477054121-10198-1-git-send-email-richard@nod.at> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We need the ->open() hook to load the crypto context which is needed for all crypto operations within that directory. Signed-off-by: Richard Weinberger --- fs/ubifs/dir.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 0e47127352ed..e80de3852c3e 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -1196,6 +1196,14 @@ int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry, return 0; } +static int ubifs_dir_open(struct inode *dir, struct file *file) +{ + if (ubifs_crypt_is_encrypted(dir)) + return fscrypt_get_encryption_info(dir) ? -EACCES : 0; + + return 0; +} + const struct inode_operations ubifs_dir_inode_operations = { .lookup = ubifs_lookup, .create = ubifs_create, @@ -1224,6 +1232,7 @@ const struct file_operations ubifs_dir_operations = { .iterate_shared = ubifs_readdir, .fsync = ubifs_fsync, .unlocked_ioctl = ubifs_ioctl, + .open = ubifs_dir_open, #ifdef CONFIG_COMPAT .compat_ioctl = ubifs_compat_ioctl, #endif