From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: sfrench@us.ibm.com, ffilz@us.ibm.com, agruen@suse.de,
adilger@sun.com, sandeen@redhat.com, tytso@mit.edu,
staubach@redhat.com, bfields@citi.umich.edu, jlayton@redhat.com
Cc: aneesh.kumar@linux.vnet.ibm.com, linux-fsdevel@vger.kernel.org,
nfsv4@linux-nfs.org, linux-ext4@vger.kernel.org
Subject: [PATCH 12/23] richacl: Use directory specific mask values for operation on directories.
Date: Mon, 1 Feb 2010 11:04:54 +0530 [thread overview]
Message-ID: <1265002505-8387-13-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1265002505-8387-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/ext4/namei.c | 4 ++--
fs/richacl_base.c | 24 ++++++++++++++++--------
include/linux/richacl.h | 2 +-
3 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 48ee6a3..a7c87c8 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2514,11 +2514,11 @@ end_rename:
int ext4_permission(struct inode *inode, int mask)
{
-
#ifdef CONFIG_EXT4_FS_RICHACL
if (richacl_enabled(inode->i_sb))
return ext4_richacl_permission(inode,
- richacl_want_to_mask(mask));
+ richacl_want_to_mask(mask,
+ S_ISDIR(inode->i_mode)));
else
#endif
return generic_permission(inode, mask, ext4_check_acl);
diff --git a/fs/richacl_base.c b/fs/richacl_base.c
index 0d8953c..b5c28cf 100644
--- a/fs/richacl_base.c
+++ b/fs/richacl_base.c
@@ -188,16 +188,24 @@ EXPORT_SYMBOL_GPL(richacl_chmod);
* When checking for append, @want is (MAY_WRITE | MAY_APPEND).
*/
unsigned int
-richacl_want_to_mask(int want)
+richacl_want_to_mask(int want, int is_dir)
{
unsigned int mask = 0;
-
- if (want & MAY_READ)
- mask |= ACE4_READ_DATA;
- if (want & MAY_APPEND)
- mask |= ACE4_APPEND_DATA;
- else if (want & MAY_WRITE)
- mask |= ACE4_WRITE_DATA;
+ if (is_dir) {
+ if (want & MAY_READ)
+ mask |= ACE4_LIST_DIRECTORY;
+ if (want & MAY_APPEND)
+ mask |= ACE4_ADD_FILE | ACE4_ADD_SUBDIRECTORY;
+ else if (want & MAY_WRITE)
+ mask |= ACE4_ADD_FILE | ACE4_ADD_SUBDIRECTORY;
+ } else {
+ if (want & MAY_READ)
+ mask |= ACE4_READ_DATA;
+ if (want & MAY_APPEND)
+ mask |= ACE4_APPEND_DATA;
+ else if (want & MAY_WRITE)
+ mask |= ACE4_WRITE_DATA;
+ }
if (want & MAY_EXEC)
mask |= ACE4_EXECUTE;
diff --git a/include/linux/richacl.h b/include/linux/richacl.h
index b0df740..de71ca5 100644
--- a/include/linux/richacl.h
+++ b/include/linux/richacl.h
@@ -222,7 +222,7 @@ richace_is_deny(const struct richace *ace)
extern struct richacl *richacl_alloc(int count);
extern struct richacl *richacl_clone(const struct richacl *acl);
-extern unsigned int richacl_want_to_mask(int want);
+extern unsigned int richacl_want_to_mask(int want, int is_dir);
extern int richacl_permission(struct inode *,
const struct richacl *, unsigned int);
extern int richacl_generic_permission(struct inode *, unsigned int);
--
1.7.0.rc0.48.gdace5
next prev parent reply other threads:[~2010-02-01 5:35 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-01 5:34 [RFC PATCH] New ACL format for better NFSv4 acl interoperability Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 01/23] vfs: VFS hooks for per-filesystem permission models Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 02/23] vfs: Check for create permission during rename Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 03/23] vfs: rich ACL in-memory representation and manipulation Aneesh Kumar K.V
2010-02-01 7:28 ` Brad Boyer
2010-02-01 18:02 ` Aneesh Kumar K. V
2010-02-01 23:06 ` J. Bruce Fields
2010-02-01 23:21 ` J. Bruce Fields
2010-02-01 5:34 ` [PATCH 04/23] richacl: Add write retention and retention hold access mask Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 05/23] ext4: Implement rich acl for ext4 Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 06/23] vfs: Implement those parts of Automatic Inheritance (AI) which are safe under POSIX Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 07/23] vfs: Add Posix acl to rich acl mapping helpers Aneesh Kumar K.V
2010-02-01 23:18 ` J. Bruce Fields
2010-02-02 5:22 ` Aneesh Kumar K. V
2010-02-01 5:34 ` [PATCH 08/23] vfs: Add a flag to denote posix mapped richacl Aneesh Kumar K.V
2010-02-01 23:18 ` J. Bruce Fields
2010-02-02 5:33 ` Aneesh Kumar K. V
2010-02-02 15:18 ` J. Bruce Fields
2010-02-01 5:34 ` [PATCH 09/23] ext4: Add posix acl to rich acl mapping Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 10/23] richacl: Add separate file and dir acl masks Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 11/23] richacl: Move the xattr representation to little-endian format Aneesh Kumar K.V
2010-02-01 23:34 ` J. Bruce Fields
2010-02-02 5:35 ` Aneesh Kumar K. V
2010-02-01 5:34 ` Aneesh Kumar K.V [this message]
2010-02-01 5:34 ` [PATCH 13/23] richacl: Follow nfs4 acl delete definition Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 14/23] richacl: Disable automatic inheritance with posix mapped acls Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 15/23] richacl: Delete posix acl if present on richacl set Aneesh Kumar K.V
2010-02-01 5:34 ` [PATCH 16/23] ext4: Update richacl incompat flag value Aneesh Kumar K.V
2010-02-01 23:41 ` J. Bruce Fields
2010-02-01 5:34 ` [PATCH 17/23] vfs: Add new MS_ACL and MS_RICHACL flag Aneesh Kumar K.V
2010-02-01 5:35 ` [PATCH 18/23] richacl: Add helper function for creating richacl from mode values Aneesh Kumar K.V
2010-02-01 5:35 ` [PATCH 19/23] fs: Use the correct MS_*ACL flags in file system code Aneesh Kumar K.V
2010-02-01 5:35 ` [PATCH 20/23] nfsd: Apply NFSv4acl to posix acl mapping only if MS_POSIXACL is set Aneesh Kumar K.V
2010-02-01 5:35 ` [PATCH 21/23] richacl: Add helpers for NFSv4 acl to richacl conversion Aneesh Kumar K.V
2010-02-01 5:35 ` [PATCH 22/23] nfsd: Add support for reading rich acl from file system Aneesh Kumar K.V
2010-02-01 5:35 ` [PATCH 23/23] nfsd: Add support for saving richacl Aneesh Kumar K.V
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