lkml.org 
[lkml]   [2007]   [Jun]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[AppArmor 24/44] Pass struct vfsmount to the inode_getxattr LSM hook
    This is needed for computing pathnames in the AppArmor LSM.

    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/xattr.c | 2 +-
    include/linux/security.h | 13 ++++++++-----
    security/dummy.c | 3 ++-
    security/selinux/hooks.c | 3 ++-
    4 files changed, 13 insertions(+), 8 deletions(-)

    --- a/fs/xattr.c
    +++ b/fs/xattr.c
    @@ -116,7 +116,7 @@ vfs_getxattr(struct dentry *dentry, stru
    if (error)
    return error;

    - error = security_inode_getxattr(dentry, name);
    + error = security_inode_getxattr(dentry, mnt, name);
    if (error)
    return error;

    --- a/include/linux/security.h
    +++ b/include/linux/security.h
    @@ -391,7 +391,7 @@ struct request_sock;
    * @value identified by @name for @dentry and @mnt.
    * @inode_getxattr:
    * Check permission before obtaining the extended attributes
    - * identified by @name for @dentry.
    + * identified by @name for @dentry and @mnt.
    * Return 0 if permission is granted.
    * @inode_listxattr:
    * Check permission before obtaining the list of extended attribute
    @@ -1248,7 +1248,8 @@ struct security_operations {
    struct vfsmount *mnt,
    char *name, void *value,
    size_t size, int flags);
    - int (*inode_getxattr) (struct dentry *dentry, char *name);
    + int (*inode_getxattr) (struct dentry *dentry, struct vfsmount *mnt,
    + char *name);
    int (*inode_listxattr) (struct dentry *dentry);
    int (*inode_removexattr) (struct dentry *dentry, char *name);
    const char *(*inode_xattr_getsuffix) (void);
    @@ -1782,11 +1783,12 @@ static inline void security_inode_post_s
    security_ops->inode_post_setxattr (dentry, mnt, name, value, size, flags);
    }

    -static inline int security_inode_getxattr (struct dentry *dentry, char *name)
    +static inline int security_inode_getxattr (struct dentry *dentry,
    + struct vfsmount *mnt, char *name)
    {
    if (unlikely (IS_PRIVATE (dentry->d_inode)))
    return 0;
    - return security_ops->inode_getxattr (dentry, name);
    + return security_ops->inode_getxattr (dentry, mnt, name);
    }

    static inline int security_inode_listxattr (struct dentry *dentry)
    @@ -2487,7 +2489,8 @@ static inline void security_inode_post_s
    int flags)
    { }

    -static inline int security_inode_getxattr (struct dentry *dentry, char *name)
    +static inline int security_inode_getxattr (struct dentry *dentry,
    + struct vfsmount *mnt, char *name)
    {
    return 0;
    }
    --- a/security/dummy.c
    +++ b/security/dummy.c
    @@ -368,7 +368,8 @@ static void dummy_inode_post_setxattr (s
    {
    }

    -static int dummy_inode_getxattr (struct dentry *dentry, char *name)
    +static int dummy_inode_getxattr (struct dentry *dentry,
    + struct vfsmount *mnt, char *name)
    {
    return 0;
    }
    --- a/security/selinux/hooks.c
    +++ b/security/selinux/hooks.c
    @@ -2393,7 +2393,8 @@ static void selinux_inode_post_setxattr(
    return;
    }

    -static int selinux_inode_getxattr (struct dentry *dentry, char *name)
    +static int selinux_inode_getxattr (struct dentry *dentry, struct vfsmount *mnt,
    + char *name)
    {
    return dentry_has_perm(current, NULL, dentry, FILE__GETATTR);
    }
    --

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-06-27 03:07    [W:4.558 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site