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Date: Wed, 8 Jan 2014 23:10:10 +0100
From: Miklos Szeredi <miklos@...redi.hu>
To: viro@...IV.linux.org.uk
Cc: torvalds@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, hch@...radead.org,
akpm@...ux-foundation.org, dhowells@...hat.com, zab@...hat.com,
jack@...e.cz, luto@...capital.net, mszeredi@...e.cz
Subject: [PATCH 06/11] security: add flags to rename hooks
From: Miklos Szeredi <mszeredi@...e.cz>
Add flags to security_path_rename() and security_inode_rename() hooks.
Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
fs/cachefiles/namei.c | 2 +-
fs/namei.c | 5 +++--
include/linux/security.h | 12 ++++++++----
security/security.c | 6 ++++--
4 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index 31088a969351..6494d9f673aa 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -391,7 +391,7 @@ try_again:
path.dentry = dir;
path_to_graveyard.mnt = cache->mnt;
path_to_graveyard.dentry = cache->graveyard;
- ret = security_path_rename(&path, rep, &path_to_graveyard, grave);
+ ret = security_path_rename(&path, rep, &path_to_graveyard, grave, 0);
if (ret < 0) {
cachefiles_io_error(cache, "Rename security error %d", ret);
} else {
diff --git a/fs/namei.c b/fs/namei.c
index f9cf3020394c..3fbc95c72e31 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4048,7 +4048,8 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
return error;
}
- error = security_inode_rename(old_dir, old_dentry, new_dir, new_dentry);
+ error = security_inode_rename(old_dir, old_dentry, new_dir, new_dentry,
+ flags);
if (error)
return error;
@@ -4198,7 +4199,7 @@ retry_deleg:
goto exit5;
error = security_path_rename(&oldnd.path, old_dentry,
- &newnd.path, new_dentry);
+ &newnd.path, new_dentry, flags);
if (error)
goto exit5;
error = vfs_rename(old_dir->d_inode, old_dentry,
diff --git a/include/linux/security.h b/include/linux/security.h
index 5623a7f965b7..95cfccc213fb 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1792,7 +1792,8 @@ int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
int security_inode_readlink(struct dentry *dentry);
int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd);
int security_inode_permission(struct inode *inode, int mask);
@@ -2160,7 +2161,8 @@ static inline int security_inode_mknod(struct inode *dir,
static inline int security_inode_rename(struct inode *old_dir,
struct dentry *old_dentry,
struct inode *new_dir,
- struct dentry *new_dentry)
+ struct dentry *new_dentry,
+ unsigned int flags)
{
return 0;
}
@@ -2951,7 +2953,8 @@ int security_path_symlink(struct path *dir, struct dentry *dentry,
int security_path_link(struct dentry *old_dentry, struct path *new_dir,
struct dentry *new_dentry);
int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
- struct path *new_dir, struct dentry *new_dentry);
+ struct path *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
int security_path_chmod(struct path *path, umode_t mode);
int security_path_chown(struct path *path, kuid_t uid, kgid_t gid);
int security_path_chroot(struct path *path);
@@ -2999,7 +3002,8 @@ static inline int security_path_link(struct dentry *old_dentry,
static inline int security_path_rename(struct path *old_dir,
struct dentry *old_dentry,
struct path *new_dir,
- struct dentry *new_dentry)
+ struct dentry *new_dentry,
+ unsigned int flags)
{
return 0;
}
diff --git a/security/security.c b/security/security.c
index 15b6928592ef..edc179f1ade0 100644
--- a/security/security.c
+++ b/security/security.c
@@ -433,7 +433,8 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
}
int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
- struct path *new_dir, struct dentry *new_dentry)
+ struct path *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
(new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
@@ -524,7 +525,8 @@ int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
}
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
(new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
--
1.8.1.4
--
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