SOURCES: kernel-tomoyo.patch (NEW) - part of tomoyo that needs to patch ker...

adamg adamg at pld-linux.org
Sat Feb 14 23:34:03 CET 2009


Author: adamg                        Date: Sat Feb 14 22:34:02 2009 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- part of tomoyo that needs to patch kernel files 
  (the other part comes from tomoyo tarball)

---- Files affected:
SOURCES:
   kernel-tomoyo.patch (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/kernel-tomoyo.patch
diff -u /dev/null SOURCES/kernel-tomoyo.patch:1.1
--- /dev/null	Sat Feb 14 23:34:03 2009
+++ SOURCES/kernel-tomoyo.patch	Sat Feb 14 23:33:57 2009
@@ -0,0 +1,1382 @@
+This is TOMOYO Linux patch for kernel 2.6.28.2.
+
+Source code for this patch is http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.28.2.tar.bz2
+---
+ fs/Kconfig                      |    2 
+ fs/Makefile                     |    2 
+ fs/attr.c                       |   10 +++
+ fs/compat.c                     |    5 +
+ fs/compat_ioctl.c               |    9 +++
+ fs/exec.c                       |   21 ++++++-
+ fs/fcntl.c                      |    9 +++
+ fs/ioctl.c                      |    7 ++
+ fs/namei.c                      |  120 ++++++++++++++++++++++++++++++++++++++++
+ fs/namespace.c                  |   49 ++++++++++++++++
+ fs/open.c                       |   28 +++++++++
+ fs/proc/Makefile                |    3 +
+ fs/proc/version.c               |   11 +++
+ include/linux/init_task.h       |    4 +
+ include/linux/sched.h           |    9 +++
+ kernel/compat.c                 |    7 ++
+ kernel/kexec.c                  |    7 ++
+ kernel/kmod.c                   |    5 +
+ kernel/module.c                 |   11 +++
+ kernel/ptrace.c                 |   15 +++++
+ kernel/sched.c                  |    7 ++
+ kernel/signal.c                 |   21 +++++++
+ kernel/sys.c                    |   21 +++++++
+ kernel/sysctl.c                 |   95 +++++++++++++++++++++++++++++++
+ kernel/time.c                   |   11 +++
+ kernel/time/ntp.c               |   11 +++
+ net/core/datagram.c             |   11 +++
+ net/ipv4/inet_connection_sock.c |    7 ++
+ net/ipv4/inet_hashtables.c      |    7 ++
+ net/ipv4/udp.c                  |    9 ++-
+ net/socket.c                    |   41 +++++++++++++
+ net/unix/af_unix.c              |   15 +++++
+ 32 files changed, 587 insertions(+), 3 deletions(-)
+
+--- linux-2.6.28.2.orig/fs/Kconfig
++++ linux-2.6.28.2/fs/Kconfig
+@@ -1557,4 +1557,6 @@ endif
+ source "fs/nls/Kconfig"
+ source "fs/dlm/Kconfig"
+ 
++source "fs/Kconfig.ccs"
++
+ endmenu
+--- linux-2.6.28.2.orig/fs/Makefile
++++ linux-2.6.28.2/fs/Makefile
+@@ -122,3 +122,5 @@ obj-$(CONFIG_HPPFS)		+= hppfs/
+ obj-$(CONFIG_DEBUG_FS)		+= debugfs/
+ obj-$(CONFIG_OCFS2_FS)		+= ocfs2/
+ obj-$(CONFIG_GFS2_FS)           += gfs2/
++
++include $(srctree)/fs/Makefile-2.6.ccs
+--- linux-2.6.28.2.orig/fs/attr.c
++++ linux-2.6.28.2/fs/attr.c
+@@ -14,6 +14,9 @@
+ #include <linux/proc_fs.h>
+ #include <linux/devpts_fs.h>
+ #include <linux/vs_tag.h>
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
+ /* Taken over from the old code... */
+ 
+@@ -162,6 +165,13 @@ int notify_change(struct dentry * dentry
+ 	error = security_inode_setattr(dentry, attr);
+ 	if (error)
+ 		return error;
++	/***** TOMOYO Linux start. *****/
++	if ((ia_valid & ATTR_MODE) && !ccs_capable(TOMOYO_SYS_CHMOD))
++		return -EPERM;
++	if ((ia_valid & (ATTR_UID | ATTR_GID)) &&
++	    !ccs_capable(TOMOYO_SYS_CHOWN))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	if (ia_valid & ATTR_SIZE)
+ 		down_write(&dentry->d_inode->i_alloc_sem);
+--- linux-2.6.28.2.orig/fs/compat.c
++++ linux-2.6.28.2/fs/compat.c
+@@ -56,6 +56,9 @@
+ #include <asm/mmu_context.h>
+ #include <asm/ioctls.h>
+ #include "internal.h"
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
+ int compat_log = 1;
+ 
+@@ -1437,7 +1440,7 @@ int compat_do_execve(char * filename,
+ 	if (retval < 0)
+ 		goto out;
+ 
+-	retval = search_binary_handler(bprm, regs);
++	retval = search_binary_handler_with_transition(bprm, regs);
+ 	if (retval >= 0) {
+ 		/* execve success */
+ 		security_bprm_free(bprm);
+--- linux-2.6.28.2.orig/fs/compat_ioctl.c
++++ linux-2.6.28.2/fs/compat_ioctl.c
+@@ -113,6 +113,9 @@
+ #ifdef CONFIG_SPARC
+ #include <asm/fbio.h>
+ #endif
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
+ static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
+ 			      unsigned long arg, struct file *f)
+@@ -2803,6 +2806,12 @@ asmlinkage long compat_sys_ioctl(unsigne
+ 		/*FALL THROUGH*/
+ 
+ 	default:
++		/***** TOMOYO Linux start. *****/
++		if (!ccs_capable(TOMOYO_SYS_IOCTL)) {
++			error = -EPERM;
++			goto out_fput;
++		}
++		/***** TOMOYO Linux end. *****/
+ 		if (filp->f_op && filp->f_op->compat_ioctl) {
+ 			error = filp->f_op->compat_ioctl(filp, cmd, arg);
+ 			if (error != -ENOIOCTLCMD)
+--- linux-2.6.28.2.orig/fs/exec.c
++++ linux-2.6.28.2/fs/exec.c
+@@ -61,6 +61,10 @@
+ #include <linux/a.out.h>
+ #endif
+ 
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
++
+ int core_uses_pid;
+ char core_pattern[CORENAME_MAX_SIZE] = "core";
+ int suid_dumpable = 0;
+@@ -129,6 +133,12 @@ SYSCALL_DEFINE1(uselib, const char __use
+ 	error = vfs_permission(&nd, MAY_READ | MAY_EXEC | MAY_OPEN);
+ 	if (error)
+ 		goto exit;
++	/***** TOMOYO Linux start. *****/
++	/* 01 means "read". */
++	error = ccs_check_open_permission(nd.path.dentry, nd.path.mnt, 01);
++	if (error)
++		goto exit;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	file = nameidata_to_filp(&nd, O_RDONLY|O_LARGEFILE);
+ 	error = PTR_ERR(file);
+@@ -682,6 +692,15 @@ struct file *open_exec(const char *name)
+ 	err = vfs_permission(&nd, MAY_EXEC | MAY_OPEN);
+ 	if (err)
+ 		goto out_path_put;
++	/***** TOMOYO Linux start. *****/
++	if (current->tomoyo_flags & TOMOYO_CHECK_READ_FOR_OPEN_EXEC) {
++		/* 01 means "read". */
++		err = ccs_check_open_permission(nd.path.dentry, nd.path.mnt,
++						01);
++		if (err)
++			goto out_path_put;
++	}
++	/***** TOMOYO Linux end. *****/
+ 
+ 	file = nameidata_to_filp(&nd, O_RDONLY|O_LARGEFILE);
+ 	if (IS_ERR(file))
+@@ -1340,7 +1359,7 @@ int do_execve(char * filename,
+ 		goto out;
+ 
+ 	current->flags &= ~PF_KTHREAD;
+-	retval = search_binary_handler(bprm,regs);
++	retval = search_binary_handler_with_transition(bprm, regs);
+ 	if (retval >= 0) {
+ 		/* execve success */
+ 		security_bprm_free(bprm);
+--- linux-2.6.28.2.orig/fs/fcntl.c
++++ linux-2.6.28.2/fs/fcntl.c
+@@ -24,6 +24,9 @@
+ #include <asm/poll.h>
+ #include <asm/siginfo.h>
+ #include <asm/uaccess.h>
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
+ void set_close_on_exec(unsigned int fd, int flag)
+ {
+@@ -155,6 +158,12 @@ static int setfl(int fd, struct file * f
+ 	if (((arg ^ filp->f_flags) & O_APPEND) && IS_APPEND(inode))
+ 		return -EPERM;
+ 
++	/***** TOMOYO Linux start. *****/
++	if (((arg ^ filp->f_flags) & O_APPEND) &&
++	    ccs_check_rewrite_permission(filp))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
++
+ 	/* O_NOATIME can only be set by the owner or superuser */
+ 	if ((arg & O_NOATIME) && !(filp->f_flags & O_NOATIME))
+ 		if (!is_owner_or_cap(inode))
+--- linux-2.6.28.2.orig/fs/ioctl.c
++++ linux-2.6.28.2/fs/ioctl.c
+@@ -17,6 +17,9 @@
+ #include <linux/buffer_head.h>
+ 
+ #include <asm/ioctls.h>
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
+ /* So that the fiemap access checks can't overflow on 32 bit machines. */
+ #define FIEMAP_MAX_EXTENTS	(UINT_MAX / sizeof(struct fiemap_extent))
+@@ -40,6 +43,10 @@ static long vfs_ioctl(struct file *filp,
+ 
+ 	if (!filp->f_op)
+ 		goto out;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_IOCTL))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	if (filp->f_op->unlocked_ioctl) {
+ 		error = filp->f_op->unlocked_ioctl(filp, cmd, arg);
+--- linux-2.6.28.2.orig/fs/namei.c
++++ linux-2.6.28.2/fs/namei.c
+@@ -35,6 +35,10 @@
+ 
+ #define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
+ 
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
++
+ /* [Feb-1997 T. Schoebel-Theuer]
+  * Fundamental changes in the pathname lookup mechanisms (namei)
+  * were necessary because of omirr.  The reason is that omirr needs
+@@ -1484,6 +1488,14 @@ int vfs_create(struct inode *dir, struct
+ 	error = security_inode_create(dir, dentry, mode);
+ 	if (error)
+ 		return error;
++	/***** TOMOYO Linux start. *****/
++	if (nd) {
++		error = ccs_check_1path_perm(TYPE_CREATE_ACL, dentry,
++					     nd->path.mnt);
++		if (error)
++			return error;
++	}
++	/***** TOMOYO Linux end. *****/
+ 	DQUOT_INIT(dir);
+ 	error = dir->i_op->create(dir, dentry, mode, nd);
+ 	if (!error)
+@@ -1538,6 +1550,13 @@ int may_open(struct nameidata *nd, int a
+ 		if (!is_owner_or_cap(inode))
+ 			return -EPERM;
+ 
++	/***** TOMOYO Linux start. *****/
++	/* includes O_APPEND and O_TRUNC checks */
++	error = ccs_check_open_permission(dentry, nd->path.mnt, flag);
++	if (error)
++		return error;
++	/***** TOMOYO Linux end. *****/
++
+ 	/*
+ 	 * Ensure there are no outstanding leases on the file.
+ 	 */
+@@ -1594,6 +1613,9 @@ static int __open_namei_create(struct na
+ 	return may_open(nd, 0, flag & ~O_TRUNC);
+ }
+ 
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo_vfs.h>
++/***** TOMOYO Linux end. *****/
+ /*
+  * Note that while the flag value (low two bits) for sys_open means:
+  *	00 - read-only
+@@ -1954,6 +1976,16 @@ int vfs_mknod(struct inode *dir, struct 
+ 
+ static int may_mknod(mode_t mode)
+ {
++	/***** TOMOYO Linux start. *****/
++	if (S_ISCHR(mode) && !ccs_capable(TOMOYO_CREATE_CHAR_DEV))
++		return -EPERM;
++	if (S_ISBLK(mode) && !ccs_capable(TOMOYO_CREATE_BLOCK_DEV))
++		return -EPERM;
++	if (S_ISFIFO(mode) && !ccs_capable(TOMOYO_CREATE_FIFO))
++		return -EPERM;
++	if (S_ISSOCK(mode) && !ccs_capable(TOMOYO_CREATE_UNIX_SOCKET))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 	switch (mode & S_IFMT) {
+ 	case S_IFREG:
+ 	case S_IFCHR:
+@@ -2002,10 +2034,34 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const
+ 			error = vfs_create(nd.path.dentry->d_inode,dentry,mode,&nd);
+ 			break;
+ 		case S_IFCHR: case S_IFBLK:
++			/***** TOMOYO Linux start. *****/
++			error = pre_vfs_mknod(nd.path.dentry->d_inode, dentry,
++					      mode);
++			if (error)
++				break;
++			error = ccs_check_1path_perm(S_ISCHR(mode) ?
++						     TYPE_MKCHAR_ACL :
++						     TYPE_MKBLOCK_ACL,
++						     dentry, nd.path.mnt);
++			if (error)
++				break;
++			/***** TOMOYO Linux end. *****/
+ 			error = vfs_mknod(nd.path.dentry->d_inode,dentry,mode,
+ 					new_decode_dev(dev));
+ 			break;
+ 		case S_IFIFO: case S_IFSOCK:
++			/***** TOMOYO Linux start. *****/
++			error = pre_vfs_mknod(nd.path.dentry->d_inode, dentry,
++					      mode);
++			if (error)
++				break;
++			error = ccs_check_1path_perm(S_ISFIFO(mode) ?
++						     TYPE_MKFIFO_ACL :
++						     TYPE_MKSOCK_ACL,
++						     dentry, nd.path.mnt);
++			if (error)
++				break;
++			/***** TOMOYO Linux end. *****/
+ 			error = vfs_mknod(nd.path.dentry->d_inode,dentry,mode,0);
+ 			break;
+ 	}
+@@ -2068,6 +2124,13 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const
+ 	error = mnt_want_write(nd.path.mnt);
+ 	if (error)
+ 		goto out_dput;
++	/***** TOMOYO Linux start. *****/
++	error = pre_vfs_mkdir(nd.path.dentry->d_inode, dentry);
++	if (!error)
++		error = ccs_check_1path_perm(TYPE_MKDIR_ACL, dentry,
++					     nd.path.mnt);
++	if (!error)
++	/***** TOMOYO Linux end. *****/
+ 	error = vfs_mkdir(nd.path.dentry->d_inode, dentry, mode);
+ 	mnt_drop_write(nd.path.mnt);
+ out_dput:
+@@ -2178,6 +2241,13 @@ static long do_rmdir(int dfd, const char
+ 	error = mnt_want_write(nd.path.mnt);
+ 	if (error)
+ 		goto exit3;
++	/***** TOMOYO Linux start. *****/
++	error = pre_vfs_rmdir(nd.path.dentry->d_inode, dentry);
++	if (!error)
++		error = ccs_check_1path_perm(TYPE_RMDIR_ACL, dentry,
++					     nd.path.mnt);
++	if (!error)
++	/***** TOMOYO Linux end. *****/
+ 	error = vfs_rmdir(nd.path.dentry->d_inode, dentry);
+ 	mnt_drop_write(nd.path.mnt);
+ exit3:
+@@ -2239,6 +2309,10 @@ static long do_unlinkat(int dfd, const c
+ 	struct inode *inode = NULL;
+ 	ino_t saved_ino = 0;
+ 	dev_t saved_dev = 0;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_UNLINK))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	error = user_path_parent(dfd, pathname, &nd, &name);
+ 	if (error)
+@@ -2263,6 +2337,13 @@ static long do_unlinkat(int dfd, const c
+ 		error = mnt_want_write(nd.path.mnt);
+ 		if (error)
+ 			goto exit2;
++		/***** TOMOYO Linux start. *****/
++		error = pre_vfs_unlink(nd.path.dentry->d_inode, dentry);
++		if (!error)
++			error = ccs_check_1path_perm(TYPE_UNLINK_ACL, dentry,
++						     nd.path.mnt);
++		if (!error)
++		/***** TOMOYO Linux end. *****/
+ 		error = vfs_unlink(nd.path.dentry->d_inode, dentry);
+ 		mnt_drop_write(nd.path.mnt);
+ 	exit2:
+@@ -2327,6 +2408,10 @@ SYSCALL_DEFINE3(symlinkat, const char __
+ 	char *to;
+ 	struct dentry *dentry;
+ 	struct nameidata nd;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_SYMLINK))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	from = getname(oldname);
+ 	if (IS_ERR(from))
+@@ -2344,6 +2429,13 @@ SYSCALL_DEFINE3(symlinkat, const char __
+ 	error = mnt_want_write(nd.path.mnt);
+ 	if (error)
+ 		goto out_dput;
++	/***** TOMOYO Linux start. *****/
++	error = pre_vfs_symlink(nd.path.dentry->d_inode, dentry);
++	if (!error)
++		error = ccs_check_1path_perm(TYPE_SYMLINK_ACL, dentry,
++					     nd.path.mnt);
++	if (!error)
++	/***** TOMOYO Linux end. *****/
+ 	error = vfs_symlink(nd.path.dentry->d_inode, dentry, from);
+ 	mnt_drop_write(nd.path.mnt);
+ out_dput:
+@@ -2420,6 +2512,10 @@ SYSCALL_DEFINE5(linkat, int, olddfd, con
+ 
+ 	if ((flags & ~AT_SYMLINK_FOLLOW) != 0)
+ 		return -EINVAL;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_LINK))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	error = user_path_at(olddfd, oldname,
+ 			     flags & AT_SYMLINK_FOLLOW ? LOOKUP_FOLLOW : 0,
+@@ -2440,6 +2536,15 @@ SYSCALL_DEFINE5(linkat, int, olddfd, con
+ 	error = mnt_want_write(nd.path.mnt);
+ 	if (error)
+ 		goto out_dput;
++	/***** TOMOYO Linux start. *****/
++	error = pre_vfs_link(old_path.dentry, nd.path.dentry->d_inode,
++			     new_dentry);
++	if (!error)
++		error = ccs_check_2path_perm(TYPE_LINK_ACL, old_path.dentry,
++					     old_path.mnt, new_dentry,
++					     nd.path.mnt);
++	if (!error)
++	/***** TOMOYO Linux end. *****/
+ 	error = vfs_link(old_path.dentry, nd.path.dentry->d_inode, new_dentry);
+ 	mnt_drop_write(nd.path.mnt);
+ out_dput:
+@@ -2616,6 +2721,10 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c
+ 	char *from;
+ 	char *to;
+ 	int error;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_RENAME))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	error = user_path_parent(olddfd, oldname, &oldnd, &from);
+ 	if (error)
+@@ -2672,6 +2781,17 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c
+ 	error = -ENOTEMPTY;
+ 	if (new_dentry == trap)
+ 		goto exit5;
++	/***** TOMOYO Linux start. *****/
++	error = pre_vfs_rename(old_dir->d_inode, old_dentry,
++			       new_dir->d_inode, new_dentry);
++	if (error)
++		goto exit5;
++	error = ccs_check_2path_perm(TYPE_RENAME_ACL, old_dentry,
++				     oldnd.path.mnt, new_dentry,
++				     newnd.path.mnt);
++	if (error)
++		goto exit5;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	error = mnt_want_write(oldnd.path.mnt);
+ 	if (error)
+--- linux-2.6.28.2.orig/fs/namespace.c
++++ linux-2.6.28.2/fs/namespace.c
+@@ -31,6 +31,12 @@
+ #include <asm/unistd.h>
+ #include "pnode.h"
+ #include "internal.h"
++/***** SAKURA Linux start. *****/
++#include <linux/sakura.h>
++/***** SAKURA Linux end. *****/
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
+ #define HASH_SHIFT ilog2(PAGE_SIZE / sizeof(struct list_head))
+ #define HASH_SIZE (1UL << HASH_SHIFT)
+@@ -1041,6 +1047,11 @@ static int do_umount(struct vfsmount *mn
+ 	if (retval)
+ 		return retval;
+ 
++	/***** SAKURA Linux start. *****/
++	if (ccs_may_umount(mnt))
++		return -EPERM;
++	/***** SAKURA Linux end. *****/
++
+ 	/*
+ 	 * Allow userspace to request a mountpoint be expired rather than
+ 	 * unmounting unconditionally. Unmount only happens if:
+@@ -1132,6 +1143,10 @@ SYSCALL_DEFINE2(umount, char __user *, n
+ {
+ 	struct path path;
+ 	int retval;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_UMOUNT))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	retval = user_path(name, &path);
+ 	if (retval)
+@@ -1480,6 +1495,11 @@ static int do_loopback(struct path *path
+ 
+ 	if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt))
+ 		goto out;
++	/***** SAKURA Linux start. *****/
++	err = -EPERM;
++	if (ccs_may_mount(path))
++		goto out;
++	/***** SAKURA Linux end. *****/
+ 
+ 	err = -ENOMEM;
+ 	if (recurse)
+@@ -1591,6 +1611,11 @@ static int do_move_mount(struct path *pa
+ 	if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt))
+ 		goto out;
+ 
++	/***** SAKURA Linux start. *****/
++	err = -EPERM;
++	if (ccs_may_umount(old_path.mnt) || ccs_may_mount(path))
++		goto out;
++	/***** SAKURA Linux end. *****/
+ 	err = -ENOENT;
+ 	mutex_lock(&path->dentry->d_inode->i_mutex);
+ 	if (IS_DEADDIR(path->dentry->d_inode))
+@@ -1694,6 +1719,11 @@ int do_add_mount(struct vfsmount *newmnt
+ 	err = -EINVAL;
+ 	if (S_ISLNK(newmnt->mnt_root->d_inode->i_mode))
+ 		goto unlock;
++	/***** SAKURA Linux start. *****/
++	err = -EPERM;
++	if (ccs_may_mount(path))
++		goto unlock;
++	/***** SAKURA Linux end. *****/
+ 
+ 	newmnt->mnt_flags = mnt_flags;
+ 	if ((err = graft_tree(newmnt, path)))
+@@ -1917,6 +1947,17 @@ long do_mount(char *dev_name, char *dir_
+ 	if (data_page)
+ 		((char *)data_page)[PAGE_SIZE - 1] = 0;
+ 
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_MOUNT))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
++	/***** SAKURA Linux start. *****/
++	retval = ccs_check_mount_permission(dev_name, dir_name, type_page,
++					    &flags);
++	if (retval)
++		return retval;
++	/***** SAKURA Linux end. *****/
++
+ 	/* Separate the per-mountpoint flags */
+ 	if (flags & MS_NOSUID)
+ 		mnt_flags |= MNT_NOSUID;
+@@ -2180,6 +2221,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
+ 
+ 	if (!capable(CAP_SYS_ADMIN))
+ 		return -EPERM;
++	/***** TOMOYO Linux start. *****/
++	if (!ccs_capable(TOMOYO_SYS_PIVOT_ROOT))
++		return -EPERM;
++	/***** TOMOYO Linux end. *****/
+ 
+ 	error = user_path_dir(new_root, &new);
+ 	if (error)
+@@ -2193,6 +2238,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
+ 		goto out1;
+ 
+ 	error = security_sb_pivotroot(&old, &new);
++	/***** SAKURA Linux start. *****/
++	if (!error)
++		error = ccs_check_pivot_root_permission(&old, &new);
++	/***** SAKURA Linux end. *****/
+ 	if (error) {
+ 		path_put(&old);
+ 		goto out1;
+--- linux-2.6.28.2.orig/fs/open.c
++++ linux-2.6.28.2/fs/open.c
+@@ -29,6 +29,12 @@
+ #include <linux/vs_tag.h>
+ #include <linux/vs_cowbl.h>
+ #include <linux/grsecurity.h>
++/***** SAKURA Linux start. *****/
++#include <linux/sakura.h>
++/***** SAKURA Linux end. *****/
++/***** TOMOYO Linux start. *****/
++#include <linux/tomoyo.h>
++/***** TOMOYO Linux end. *****/
+ 
<<Diff was trimmed, longer than 597 lines>>


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