From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762662AbXJZHAr (ORCPT ); Fri, 26 Oct 2007 03:00:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759903AbXJZG5N (ORCPT ); Fri, 26 Oct 2007 02:57:13 -0400 Received: from cantor2.suse.de ([195.135.220.15]:36815 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759496AbXJZG5H (ORCPT ); Fri, 26 Oct 2007 02:57:07 -0400 X-Mailbox-Line: From jjohansen@suse.de Thu Oct 25 23:40:48 2007 Message-Id: <20071026064047.972701404@suse.de> References: <20071026064024.243943043@suse.de> User-Agent: quilt/0.46-14 Date: Thu, 25 Oct 2007 23:40:32 -0700 From: jjohansen@suse.de To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, Tony Jones , Andreas Gruenbacher , John Johansen Subject: [AppArmor 08/45] Pass struct vfsmount to the inode_mknod LSM hook Content-Disposition: inline; filename=security-mknod.diff Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is needed for computing pathnames in the AppArmor LSM. Signed-off-by: Tony Jones Signed-off-by: Andreas Gruenbacher Signed-off-by: John Johansen --- fs/namei.c | 2 +- include/linux/security.h | 7 +++++-- security/dummy.c | 2 +- security/security.c | 5 +++-- security/selinux/hooks.c | 5 +++-- 5 files changed, 13 insertions(+), 8 deletions(-) --- a/fs/namei.c +++ b/fs/namei.c @@ -1945,7 +1945,7 @@ int vfs_mknod(struct inode *dir, struct if (!dir->i_op || !dir->i_op->mknod) return -EPERM; - error = security_inode_mknod(dir, dentry, mode, dev); + error = security_inode_mknod(dir, dentry, mnt, mode, dev); if (error) return error; --- a/include/linux/security.h +++ b/include/linux/security.h @@ -337,6 +337,7 @@ struct request_sock; * and not this hook. * @dir contains the inode structure of parent of the new file. * @dentry contains the dentry structure of the new file. + * @mnt is the vfsmount corresponding to @dentry (may be NULL). * @mode contains the mode of the new file. * @dev contains the device number. * Return 0 if permission is granted. @@ -1248,7 +1249,7 @@ struct security_operations { struct vfsmount *mnt, int mode); int (*inode_rmdir) (struct inode *dir, struct dentry *dentry); int (*inode_mknod) (struct inode *dir, struct dentry *dentry, - int mode, dev_t dev); + struct vfsmount *mnt, int mode, dev_t dev); int (*inode_rename) (struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry); int (*inode_readlink) (struct dentry *dentry); @@ -1505,7 +1506,8 @@ int security_inode_symlink(struct inode int security_inode_mkdir(struct inode *dir, struct dentry *dentry, struct vfsmount *mnt, int mode); int security_inode_rmdir(struct inode *dir, struct dentry *dentry); -int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev); +int security_inode_mknod(struct inode *dir, struct dentry *dentry, + struct vfsmount *mnt, int mode, dev_t dev); int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry); int security_inode_readlink(struct dentry *dentry); @@ -1850,6 +1852,7 @@ static inline int security_inode_rmdir ( static inline int security_inode_mknod (struct inode *dir, struct dentry *dentry, + struct vfsmount *mnt, int mode, dev_t dev) { return 0; --- a/security/dummy.c +++ b/security/dummy.c @@ -296,7 +296,7 @@ static int dummy_inode_rmdir (struct ino } static int dummy_inode_mknod (struct inode *inode, struct dentry *dentry, - int mode, dev_t dev) + struct vfsmount *mnt, int mode, dev_t dev) { return 0; } --- a/security/security.c +++ b/security/security.c @@ -374,11 +374,12 @@ int security_inode_rmdir(struct inode *d return security_ops->inode_rmdir(dir, dentry); } -int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +int security_inode_mknod(struct inode *dir, struct dentry *dentry, + struct vfsmount *mnt, int mode, dev_t dev) { if (unlikely(IS_PRIVATE(dir))) return 0; - return security_ops->inode_mknod(dir, dentry, mode, dev); + return security_ops->inode_mknod(dir, dentry, mnt, mode, dev); } int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2226,11 +2226,12 @@ static int selinux_inode_rmdir(struct in return may_link(dir, dentry, MAY_RMDIR); } -static int selinux_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +static int selinux_inode_mknod(struct inode *dir, struct dentry *dentry, + struct vfsmount *mnt, int mode, dev_t dev) { int rc; - rc = secondary_ops->inode_mknod(dir, dentry, mode, dev); + rc = secondary_ops->inode_mknod(dir, dentry, mnt, mode, dev); if (rc) return rc; --