From patchwork Tue Aug 8 17:22:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sweet Tea Dorminy X-Patchwork-Id: 13346710 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41651C04FE2 for ; Tue, 8 Aug 2023 18:17:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233702AbjHHSR0 (ORCPT ); Tue, 8 Aug 2023 14:17:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235465AbjHHSQZ (ORCPT ); Tue, 8 Aug 2023 14:16:25 -0400 Received: from box.fidei.email (box.fidei.email [IPv6:2605:2700:0:2:a800:ff:feba:dc44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4245435A7 for ; Tue, 8 Aug 2023 10:23:08 -0700 (PDT) Received: from authenticated-user (box.fidei.email [71.19.144.250]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by box.fidei.email (Postfix) with ESMTPSA id B829483558; Tue, 8 Aug 2023 13:23:07 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=dorminy.me; s=mail; t=1691515388; bh=gz1cvWz9XNld8XbPoojYUET63mYXtw2HSMkgQlZxueg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uMi9UXSZzjtvIhaZZto9+6EX4eS7TbRye/mf4P6gjHWpcbN/8NF+9NQp2+YL0miX8 F0KzjVb3nE/Vp48K/xPsX76n0jRxPrXYtF1LOQlkhwK4Luui+tEqaFiF8onBmtAX3w SvZeNLo8a4md7SKL5Pmupsoi9xiXTIOVFdUjcol8dqavv2jUO9XmpfnXUq6w6vwuRC tFuvlIT9HQUfjcd788+LUwVCyTOWXrEUzQY1WyOVyMLIkoNJSlkHcP5L3rVNiTPZ0m d+Z9jOoxDeX+eG/rcxbCi5h1GqCZJdEaZdJWBA5Y0BDg/BRMKDgdihDTPAmpiCkX/w 5ELTqNsNIjFpQ== From: Sweet Tea Dorminy To: linux-btrfs@vger.kernel.org, ebiggers@google.com, kernel-team@meta.com Cc: Sweet Tea Dorminy Subject: [PATCH v2 6/8] btrfs-progs: handle fscrypt context items Date: Tue, 8 Aug 2023 13:22:25 -0400 Message-ID: <0d7c3a8f8584b9f5609da43abb20c434c390b85e.1691520000.git.sweettea-kernel@dorminy.me> In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Encrypted inodes have a new associated item, the fscrypt context, which can be printed as a pure hex string in dump-tree. Signed-off-by: Sweet Tea Dorminy --- kernel-shared/print-tree.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/kernel-shared/print-tree.c b/kernel-shared/print-tree.c index 9f332f811..19a0e8ac8 100644 --- a/kernel-shared/print-tree.c +++ b/kernel-shared/print-tree.c @@ -100,6 +100,20 @@ static void print_dir_item(struct extent_buffer *eb, u32 size, } } +static void print_fscrypt_context(struct extent_buffer *eb, int slot) +{ + int i; + unsigned long ptr = btrfs_item_ptr_offset(eb, slot); + u32 item_size = btrfs_item_size(eb, slot); + u8 ctx_buf[item_size]; + + read_extent_buffer(eb, ctx_buf, ptr, item_size); + printf("\t\tvalue: "); + for(i = 0; i < item_size; i++) + printf("%02x", ctx_buf[i]); + printf("\n"); +} + static void print_inode_extref_item(struct extent_buffer *eb, u32 size, struct btrfs_inode_extref *extref) { @@ -675,6 +689,7 @@ void print_key_type(FILE *stream, u64 objectid, u8 type) [BTRFS_DIR_LOG_ITEM_KEY] = "DIR_LOG_ITEM", [BTRFS_DIR_LOG_INDEX_KEY] = "DIR_LOG_INDEX", [BTRFS_XATTR_ITEM_KEY] = "XATTR_ITEM", + [BTRFS_FSCRYPT_CTXT_ITEM_KEY] = "FSCRYPT_CTXT_ITEM", [BTRFS_VERITY_DESC_ITEM_KEY] = "VERITY_DESC_ITEM", [BTRFS_VERITY_MERKLE_ITEM_KEY] = "VERITY_MERKLE_ITEM", [BTRFS_ORPHAN_ITEM_KEY] = "ORPHAN_ITEM", @@ -1395,6 +1410,9 @@ void btrfs_print_leaf(struct extent_buffer *eb, unsigned int mode) case BTRFS_XATTR_ITEM_KEY: print_dir_item(eb, item_size, ptr); break; + case BTRFS_FSCRYPT_CTXT_ITEM_KEY: + print_fscrypt_context(eb, i); + break; case BTRFS_DIR_LOG_INDEX_KEY: case BTRFS_DIR_LOG_ITEM_KEY: { struct btrfs_dir_log_item *dlog;