From: Richard Weinberger <richard@nod.at>
To: linux-mtd@lists.infradead.org
Cc: david@sigma-star.at, tytso@mit.edu, dedekind1@gmail.com,
ebiggers@google.com, mhalcrow@google.com,
adrian.hunter@intel.com, linux-kernel@vger.kernel.org,
hch@infradead.org, linux-fsdevel@vger.kernel.org,
jaegeuk@kernel.org, dengler@linutronix.de, sbabic@denx.de,
wd@denx.de, Richard Weinberger <richard@nod.at>
Subject: [PATCH 09/24] ubifs: Preload crypto context in ->lookup()
Date: Thu, 1 Dec 2016 22:20:56 +0100 [thread overview]
Message-ID: <1480627271-10441-10-git-send-email-richard@nod.at> (raw)
In-Reply-To: <1480627271-10441-1-git-send-email-richard@nod.at>
...and mark the dentry as encrypted.
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/dir.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index bd0af4e9ca0b..9976a709b875 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -218,6 +218,21 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry,
dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino);
+ if (ubifs_crypt_is_encrypted(dir)) {
+ err = fscrypt_get_encryption_info(dir);
+
+ /*
+ * DCACHE_ENCRYPTED_WITH_KEY is set if the dentry is
+ * created while the directory was encrypted and we
+ * have access to the key.
+ */
+ if (fscrypt_has_encryption_key(dir))
+ fscrypt_set_encrypted_dentry(dentry);
+ fscrypt_set_d_op(dentry);
+ if (err && err != -ENOKEY)
+ return ERR_PTR(err);
+ }
+
if (dentry->d_name.len > UBIFS_MAX_NLEN)
return ERR_PTR(-ENAMETOOLONG);
--
2.7.3
next prev parent reply other threads:[~2016-12-01 21:21 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-01 21:20 [PATCH 00/24] UBIFS File Encryption v2 Richard Weinberger
2016-12-01 21:20 ` [PATCH 01/24] ubifs: Export ubifs_check_dir_empty() Richard Weinberger
2016-12-01 21:20 ` [PATCH 02/24] ubifs: Export xattr get and set functions Richard Weinberger
2016-12-01 21:20 ` [PATCH 03/24] ubifs: Define UBIFS crypto context xattr Richard Weinberger
2016-12-01 21:20 ` [PATCH 04/24] ubifs: Add skeleton for fscrypto Richard Weinberger
2016-12-01 21:20 ` [PATCH 05/24] ubifs: Massage ubifs_listxattr() for encryption context Richard Weinberger
2016-12-01 21:20 ` [PATCH 06/24] ubifs: Implement directory open operation Richard Weinberger
2016-12-01 21:20 ` [PATCH 07/24] ubifs: Implement file " Richard Weinberger
2016-12-01 21:20 ` [PATCH 08/24] ubifs: Enforce crypto policy in ->link and ->rename Richard Weinberger
2016-12-01 21:20 ` Richard Weinberger [this message]
2016-12-01 21:20 ` [PATCH 10/24] ubifs: Massage assert in ubifs_xattr_set() wrt. fscrypto Richard Weinberger
2016-12-01 21:20 ` [PATCH 11/24] ubifs: Enforce crypto policy in mmap Richard Weinberger
2016-12-01 21:20 ` [PATCH 12/24] ubifs: Introduce new data node field, compr_size Richard Weinberger
2016-12-01 21:21 ` [PATCH 13/24] ubifs: Constify struct inode pointer in ubifs_crypt_is_encrypted() Richard Weinberger
2016-12-01 21:21 ` [PATCH 14/24] ubifs: Implement encrypt/decrypt for all IO Richard Weinberger
2016-12-01 21:21 ` [PATCH 15/24] ubifs: Relax checks in ubifs_validate_entry() Richard Weinberger
2016-12-01 21:21 ` [PATCH 16/24] ubifs: Make r5 hash binary string aware Richard Weinberger
2016-12-01 21:21 ` [PATCH 17/24] ubifs: Implement encrypted filenames Richard Weinberger
2016-12-01 21:21 ` [PATCH 18/24] ubifs: Add support for encrypted symlinks Richard Weinberger
2016-12-01 21:21 ` [PATCH 19/24] ubifs: Rename tnc_read_node_nm Richard Weinberger
2016-12-01 21:21 ` [PATCH 20/24] ubifs: Add full hash lookup support Richard Weinberger
2016-12-01 21:21 ` [PATCH 21/24] ubifs: Use a random number for cookies Richard Weinberger
2016-12-01 21:21 ` [PATCH 22/24] ubifs: Implement UBIFS_FLG_DOUBLE_HASH Richard Weinberger
2016-12-01 21:21 ` [PATCH 23/24] ubifs: Implement UBIFS_FLG_ENCRYPTION Richard Weinberger
2016-12-01 21:21 ` [PATCH 24/24] ubifs: Raise write version to 5 Richard Weinberger
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