From: jjohansen@suse.de
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, Tony Jones <tonyj@suse.de>,
Andreas Gruenbacher <agruen@suse.de>,
John Johansen <jjohansen@suse.de>
Subject: [AppArmor 19/45] Add struct vfsmount parameters to vfs_rename()
Date: Thu, 25 Oct 2007 23:40:43 -0700 [thread overview]
Message-ID: <20071026064049.534093497@suse.de> (raw)
In-Reply-To: 20071026064024.243943043@suse.de
[-- Attachment #1: vfs-rename.diff --]
[-- Type: text/plain, Size: 4748 bytes --]
The vfsmount will be passed down to the LSM hook so that LSMs can compute
pathnames.
Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: John Johansen <jjohansen@suse.de>
---
fs/ecryptfs/inode.c | 7 ++++++-
fs/namei.c | 19 ++++++++++++-------
fs/nfsd/vfs.c | 3 ++-
include/linux/fs.h | 2 +-
4 files changed, 21 insertions(+), 10 deletions(-)
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -589,19 +589,24 @@ ecryptfs_rename(struct inode *old_dir, s
{
int rc;
struct dentry *lower_old_dentry;
+ struct vfsmount *lower_old_mnt;
struct dentry *lower_new_dentry;
+ struct vfsmount *lower_new_mnt;
struct dentry *lower_old_dir_dentry;
struct dentry *lower_new_dir_dentry;
lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
+ lower_old_mnt = ecryptfs_dentry_to_lower_mnt(old_dentry);
lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
+ lower_new_mnt = ecryptfs_dentry_to_lower_mnt(new_dentry);
dget(lower_old_dentry);
dget(lower_new_dentry);
lower_old_dir_dentry = dget_parent(lower_old_dentry);
lower_new_dir_dentry = dget_parent(lower_new_dentry);
lock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
rc = vfs_rename(lower_old_dir_dentry->d_inode, lower_old_dentry,
- lower_new_dir_dentry->d_inode, lower_new_dentry);
+ lower_old_mnt, lower_new_dir_dentry->d_inode,
+ lower_new_dentry, lower_new_mnt);
if (rc)
goto out_lock;
fsstack_copy_attr_all(new_dir, lower_new_dir_dentry->d_inode);
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2513,7 +2513,8 @@ asmlinkage long sys_link(const char __us
* locking].
*/
static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct vfsmount *old_mnt, struct inode *new_dir,
+ struct dentry *new_dentry, struct vfsmount *new_mnt)
{
int error = 0;
struct inode *target;
@@ -2556,7 +2557,8 @@ static int vfs_rename_dir(struct inode *
}
static int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct vfsmount *old_mnt, struct inode *new_dir,
+ struct dentry *new_dentry, struct vfsmount *new_mnt)
{
struct inode *target;
int error;
@@ -2584,7 +2586,8 @@ static int vfs_rename_other(struct inode
}
int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct vfsmount *old_mnt, struct inode *new_dir,
+ struct dentry *new_dentry, struct vfsmount *new_mnt)
{
int error;
int is_dir = S_ISDIR(old_dentry->d_inode->i_mode);
@@ -2613,9 +2616,11 @@ int vfs_rename(struct inode *old_dir, st
old_name = fsnotify_oldname_init(old_dentry->d_name.name);
if (is_dir)
- error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);
+ error = vfs_rename_dir(old_dir, old_dentry, old_mnt,
+ new_dir, new_dentry, new_mnt);
else
- error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
+ error = vfs_rename_other(old_dir, old_dentry, old_mnt,
+ new_dir, new_dentry, new_mnt);
if (!error) {
const char *new_name = old_dentry->d_name.name;
fsnotify_move(old_dir, new_dir, old_name, new_name, is_dir,
@@ -2690,8 +2695,8 @@ static int do_rename(int olddfd, const c
error = mnt_want_write(oldnd.mnt);
if (error)
goto exit5;
- error = vfs_rename(old_dir->d_inode, old_dentry,
- new_dir->d_inode, new_dentry);
+ error = vfs_rename(old_dir->d_inode, old_dentry, oldnd.mnt,
+ new_dir->d_inode, new_dentry, newnd.mnt);
mnt_drop_write(oldnd.mnt);
exit5:
dput(new_dentry);
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1694,7 +1694,8 @@ nfsd_rename(struct svc_rqst *rqstp, stru
if (host_err)
goto out_dput_new;
- host_err = vfs_rename(fdir, odentry, tdir, ndentry);
+ host_err = vfs_rename(fdir, odentry, ffhp->fh_export->ex_mnt,
+ tdir, ndentry, tfhp->fh_export->ex_mnt);
if (!host_err && EX_ISSYNC(tfhp->fh_export)) {
host_err = nfsd_sync_dir(tdentry);
if (!host_err)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1080,7 +1080,7 @@ extern int vfs_symlink(struct inode *, s
extern int vfs_link(struct dentry *, struct vfsmount *, struct inode *, struct dentry *, struct vfsmount *);
extern int vfs_rmdir(struct inode *, struct dentry *, struct vfsmount *);
extern int vfs_unlink(struct inode *, struct dentry *, struct vfsmount *);
-extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+extern int vfs_rename(struct inode *, struct dentry *, struct vfsmount *, struct inode *, struct dentry *, struct vfsmount *);
/*
* VFS dentry helper functions.
--
next prev parent reply other threads:[~2007-10-26 7:04 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-26 6:40 [AppArmor 00/45] AppArmor security module overview jjohansen
2007-10-26 6:40 ` [AppArmor 01/45] Pass struct vfsmount to the inode_create LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 02/45] Pass struct path down to remove_suid and children jjohansen
2007-10-26 6:40 ` [AppArmor 03/45] Add a vfsmount parameter to notify_change() jjohansen
2007-10-26 6:40 ` [AppArmor 04/45] Pass struct vfsmount to the inode_setattr LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 05/45] Add struct vfsmount parameter to vfs_mkdir() jjohansen
2007-10-26 6:40 ` [AppArmor 06/45] Pass struct vfsmount to the inode_mkdir LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 07/45] Add a struct vfsmount parameter to vfs_mknod() jjohansen
2007-10-26 6:40 ` [AppArmor 08/45] Pass struct vfsmount to the inode_mknod LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 09/45] Add a struct vfsmount parameter to vfs_symlink() jjohansen
2007-10-26 6:40 ` [AppArmor 10/45] Pass struct vfsmount to the inode_symlink LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 11/45] Pass struct vfsmount to the inode_readlink " jjohansen
2007-10-26 6:40 ` [AppArmor 12/45] Add struct vfsmount parameters to vfs_link() jjohansen
2007-10-26 6:40 ` [AppArmor 13/45] Pass the struct vfsmounts to the inode_link LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 14/45] Add a struct vfsmount parameter to vfs_rmdir() jjohansen
2007-10-26 6:40 ` [AppArmor 15/45] Pass struct vfsmount to the inode_rmdir LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 16/45] Call lsm hook before unhashing dentry in vfs_rmdir() jjohansen
2007-10-26 6:40 ` [AppArmor 17/45] Add a struct vfsmount parameter to vfs_unlink() jjohansen
2007-10-26 6:40 ` [AppArmor 18/45] Pass struct vfsmount to the inode_unlink LSM hook jjohansen
2007-10-26 6:40 ` jjohansen [this message]
2007-10-26 7:37 ` [AppArmor 19/45] Add struct vfsmount parameters to vfs_rename() Al Viro
2007-10-26 18:23 ` John Johansen
2007-10-26 20:33 ` Al Viro
2007-10-26 6:40 ` [AppArmor 20/45] Pass struct vfsmount to the inode_rename LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 21/45] Add a struct vfsmount parameter to vfs_setxattr() jjohansen
2007-10-26 6:40 ` [AppArmor 22/45] Pass struct vfsmount to the inode_setxattr LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 23/45] Add a struct vfsmount parameter to vfs_getxattr() jjohansen
2007-10-26 6:40 ` [AppArmor 24/45] Pass struct vfsmount to the inode_getxattr LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 25/45] Add a struct vfsmount parameter to vfs_listxattr() jjohansen
2007-10-26 6:40 ` [AppArmor 26/45] Pass struct vfsmount to the inode_listxattr LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 27/45] Add a struct vfsmount parameter to vfs_removexattr() jjohansen
2007-10-26 6:40 ` [AppArmor 28/45] Pass struct vfsmount to the inode_removexattr LSM hook jjohansen
2007-10-26 6:40 ` [AppArmor 29/45] Fix __d_path() for lazy unmounts and make it unambiguous jjohansen
2007-10-26 6:40 ` [AppArmor 30/45] Make d_path() consistent across mount operations jjohansen
2007-10-26 6:40 ` [AppArmor 31/45] Add d_namespace_path() to compute namespace relative pathnames jjohansen
2007-10-26 6:40 ` [AppArmor 32/45] Enable LSM hooks to distinguish operations on file descriptors from operations on pathnames jjohansen
2007-10-26 11:30 ` Miklos Szeredi
2007-10-26 11:45 ` Miklos Szeredi
2007-10-26 18:49 ` John Johansen
2007-10-26 20:24 ` Andreas Gruenbacher
2007-10-26 20:58 ` Miklos Szeredi
2007-10-26 21:56 ` Andreas Gruenbacher
2007-10-26 6:40 ` [AppArmor 33/45] Pass struct file down the inode_*xattr security LSM hooks jjohansen
2007-10-26 6:40 ` [AppArmor 34/45] Factor out sysctl pathname code jjohansen
2007-10-26 9:24 ` James Morris
2007-10-26 6:40 ` [AppArmor 35/45] Allow permission functions to tell between parent and leaf checks jjohansen
2007-10-26 12:32 ` Stephen Smalley
2007-10-26 18:26 ` John Johansen
2007-10-26 6:41 ` [AppArmor 36/45] Export audit subsystem for use by modules jjohansen
2007-10-26 6:41 ` [AppArmor 37/45] AppArmor: Main Part jjohansen
2007-10-26 6:41 ` [AppArmor 38/45] AppArmor: Module and LSM hooks jjohansen
2007-10-26 6:41 ` [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching jjohansen
2007-10-26 6:41 ` [AppArmor 40/45] AppArmor: all the rest jjohansen
2007-10-26 6:41 ` [AppArmor 41/45] add simple network toggles to apparmor jjohansen
2007-10-26 6:41 ` [AppArmor 42/45] Add AppArmor LSM to security/Makefile jjohansen
2007-10-26 6:41 ` [AppArmor 43/45] Switch to vfs_permission() in do_path_lookup() jjohansen
2007-10-26 6:41 ` [AppArmor 44/45] Switch to vfs_permission() in sys_fchdir() jjohansen
2007-10-26 6:41 ` [AppArmor 45/45] Fix file_permission() jjohansen
2007-10-26 7:04 ` [AppArmor 00/45] AppArmor security module overview John Johansen
2007-10-26 14:37 ` Arjan van de Ven
2007-10-26 18:34 ` John Johansen
2007-10-26 20:15 ` Arjan van de Ven
2007-10-26 20:44 ` Andreas Gruenbacher
2007-10-26 21:13 ` Arjan van de Ven
2007-10-26 21:24 ` Andreas Gruenbacher
2007-10-26 22:16 ` Crispin Cowan
2007-10-26 22:23 ` Arjan van de Ven
2007-10-27 20:47 ` Christoph Hellwig
2007-10-28 14:25 ` Andreas Gruenbacher
[not found] <9irkY-83N-5@gated-at.bofh.it>
[not found] ` <9iruz-7b-23@gated-at.bofh.it>
[not found] ` <9irXD-Jf-25@gated-at.bofh.it>
[not found] ` <9iC6y-nT-1@gated-at.bofh.it>
[not found] ` <9iE8n-3zk-1@gated-at.bofh.it>
2007-11-02 10:14 ` [AppArmor 19/45] Add struct vfsmount parameters to vfs_rename() Bodo Eggert
2007-11-02 12:28 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2007-05-14 11:06 [AppArmor 00/45] AppArmor security module overview jjohansen
2007-05-14 11:06 ` [AppArmor 19/45] Add struct vfsmount parameters to vfs_rename() jjohansen
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