From patchwork Mon May 20 17:25:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 10952057 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 987EE933 for ; Mon, 20 May 2019 17:29:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C069288DD for ; Mon, 20 May 2019 17:29:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6FEC5288E1; Mon, 20 May 2019 17:29:08 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable 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 20480288E0 for ; Mon, 20 May 2019 17:29:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392960AbfETR3H (ORCPT ); Mon, 20 May 2019 13:29:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:40466 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403920AbfETR2x (ORCPT ); Mon, 20 May 2019 13:28:53 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9FD17217D7; Mon, 20 May 2019 17:28:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558373333; bh=t8IdncPTk+0m23maW8clJi2kvlExmwEB/pNcgFaMkTU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1LBETw4h7WZ1TuVxLRjwktAKOyaK6Xj/i3r0KeCFjyiJ1xD747b3zC5TFjUyQ2SQs h5fU/fSxpOKI0eQ5HW+6TNmltMvyqrDZySM8J9cvwPF+e5Yhl2n6MwXqUKUqm2B7J6 PzbLiaEKOI9VqU9Hm93vZSx78wgjuxBFj1oGyXb0= From: Eric Biggers To: linux-fscrypt@vger.kernel.org Cc: Satya Tangirala , linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, keyrings@vger.kernel.org, linux-mtd@lists.infradead.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, Paul Crowley Subject: [PATCH v6 15/16] ubifs: wire up new fscrypt ioctls Date: Mon, 20 May 2019 10:25:51 -0700 Message-Id: <20190520172552.217253-16-ebiggers@kernel.org> X-Mailer: git-send-email 2.21.0.1020.gf2820cf01a-goog In-Reply-To: <20190520172552.217253-1-ebiggers@kernel.org> References: <20190520172552.217253-1-ebiggers@kernel.org> MIME-Version: 1.0 Sender: linux-fscrypt-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Eric Biggers Wire up the new ioctls for adding and removing fscrypt keys to/from the filesystem, and the new ioctl for retrieving v2 encryption policies. FS_IOC_REMOVE_ENCRYPTION_KEY also required making UBIFS use fscrypt_drop_inode(). For more details see Documentation/filesystems/fscrypt.rst and the fscrypt patches that added the implementation of these ioctls. Signed-off-by: Eric Biggers --- fs/ubifs/ioctl.c | 16 ++++++++++++++++ fs/ubifs/super.c | 11 +++++++++++ 2 files changed, 27 insertions(+) diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 6b05b3ec500e1..b2a67618bef91 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -204,6 +204,18 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case FS_IOC_GET_ENCRYPTION_POLICY: return fscrypt_ioctl_get_policy(file, (void __user *)arg); + case FS_IOC_GET_ENCRYPTION_POLICY_EX: + return fscrypt_ioctl_get_policy_ex(file, (void __user *)arg); + + case FS_IOC_ADD_ENCRYPTION_KEY: + return fscrypt_ioctl_add_key(file, (void __user *)arg); + + case FS_IOC_REMOVE_ENCRYPTION_KEY: + return fscrypt_ioctl_remove_key(file, (const void __user *)arg); + + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: + return fscrypt_ioctl_get_key_status(file, (void __user *)arg); + default: return -ENOTTY; } @@ -221,6 +233,10 @@ long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) break; case FS_IOC_SET_ENCRYPTION_POLICY: case FS_IOC_GET_ENCRYPTION_POLICY: + case FS_IOC_GET_ENCRYPTION_POLICY_EX: + case FS_IOC_ADD_ENCRYPTION_KEY: + case FS_IOC_REMOVE_ENCRYPTION_KEY: + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: break; default: return -ENOIOCTLCMD; diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 04b8ecfd34701..ae026a7bb1a62 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -330,6 +330,16 @@ static int ubifs_write_inode(struct inode *inode, struct writeback_control *wbc) return err; } +static int ubifs_drop_inode(struct inode *inode) +{ + int drop = generic_drop_inode(inode); + + if (!drop) + drop = fscrypt_drop_inode(inode); + + return drop; +} + static void ubifs_evict_inode(struct inode *inode) { int err; @@ -1980,6 +1990,7 @@ const struct super_operations ubifs_super_operations = { .free_inode = ubifs_free_inode, .put_super = ubifs_put_super, .write_inode = ubifs_write_inode, + .drop_inode = ubifs_drop_inode, .evict_inode = ubifs_evict_inode, .statfs = ubifs_statfs, .dirty_inode = ubifs_dirty_inode,