diff -ubBpEr linux-2.6.13/Makefile linux-2.6.13-ccs/Makefile
--- linux-2.6.13/Makefile	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/Makefile	2007-03-26 16:38:52.000000000 +0900
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 13
-EXTRAVERSION =
+EXTRAVERSION = -ccs
 NAME=Woozy Numbat
 
 # *DOCUMENTATION*
diff -ubBpEr linux-2.6.13/fs/Kconfig linux-2.6.13-ccs/fs/Kconfig
--- linux-2.6.13/fs/Kconfig	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/Kconfig	2007-03-26 16:38:52.000000000 +0900
@@ -1747,5 +1747,7 @@ endmenu
 
 source "fs/nls/Kconfig"
 
+source "fs/Kconfig.ccs"
+
 endmenu
 
diff -ubBpEr linux-2.6.13/fs/Makefile linux-2.6.13-ccs/fs/Makefile
--- linux-2.6.13/fs/Makefile	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/Makefile	2007-03-26 16:38:52.000000000 +0900
@@ -98,3 +98,5 @@ obj-$(CONFIG_BEFS_FS)		+= befs/
 obj-$(CONFIG_HOSTFS)		+= hostfs/
 obj-$(CONFIG_HPPFS)		+= hppfs/
 obj-$(CONFIG_DEBUG_FS)		+= debugfs/
+
+include $(srctree)/fs/Makefile-2.6.ccs
diff -ubBpEr linux-2.6.13/fs/attr.c linux-2.6.13-ccs/fs/attr.c
--- linux-2.6.13/fs/attr.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/attr.c	2007-03-26 16:38:52.000000000 +0900
@@ -15,6 +15,9 @@
 #include <linux/quotaops.h>
 #include <linux/security.h>
 #include <linux/time.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 /* Taken over from the old code... */
 
@@ -156,12 +159,20 @@ int notify_change(struct dentry * dentry
 
 	if (inode->i_op && inode->i_op->setattr) {
 		error = security_inode_setattr(dentry, attr);
+		/***** TOMOYO Linux start. *****/
+		if (!error && (ia_valid & ATTR_MODE)) error = CheckCapabilityACL(TOMOYO_SYS_CHMOD);
+		if (!error && (ia_valid & (ATTR_UID | ATTR_GID))) error = CheckCapabilityACL(TOMOYO_SYS_CHOWN);
+		/***** TOMOYO Linux end. *****/
 		if (!error)
 			error = inode->i_op->setattr(dentry, attr);
 	} else {
 		error = inode_change_ok(inode, attr);
 		if (!error)
 			error = security_inode_setattr(dentry, attr);
+		/***** TOMOYO Linux start. *****/
+		if (!error && (ia_valid & ATTR_MODE)) error = CheckCapabilityACL(TOMOYO_SYS_CHMOD);
+		if (!error && (ia_valid & (ATTR_UID | ATTR_GID))) error = CheckCapabilityACL(TOMOYO_SYS_CHOWN);
+		/***** TOMOYO Linux end. *****/
 		if (!error) {
 			if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 			    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))
diff -ubBpEr linux-2.6.13/fs/compat.c linux-2.6.13-ccs/fs/compat.c
--- linux-2.6.13/fs/compat.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/compat.c	2007-03-26 16:38:52.000000000 +0900
@@ -50,6 +50,9 @@
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/ioctls.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 /*
  * Not all architectures have sys_utime, so implement this in terms
@@ -466,6 +469,9 @@ asmlinkage long compat_sys_ioctl(unsigne
 		/*FALL THROUGH*/
 
 	default:
+		/***** TOMOYO Linux start. *****/
+		if ((error = CheckCapabilityACL(TOMOYO_SYS_IOCTL)) < 0) 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)
@@ -1561,7 +1567,7 @@ 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) {
 		free_arg_pages(bprm);
 
diff -ubBpEr linux-2.6.13/fs/exec.c linux-2.6.13-ccs/fs/exec.c
--- linux-2.6.13/fs/exec.c	2006-05-11 11:25:43.000000000 +0900
+++ linux-2.6.13-ccs/fs/exec.c	2007-03-26 16:38:52.000000000 +0900
@@ -56,6 +56,10 @@
 #include <linux/kmod.h>
 #endif
 
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
+
 int core_uses_pid;
 char core_pattern[65] = "core";
 int suid_dumpable = 0;
@@ -139,6 +143,11 @@ asmlinkage long sys_uselib(const char __
 	if (error)
 		goto exit;
 
+    /***** TOMOYO Linux start. *****/
+	error = CheckOpenPermission(nd.dentry, nd.mnt, 01); /* 01 means "read". */
+    if (error) goto exit;
+    /***** TOMOYO Linux end. *****/
+
 	file = dentry_open(nd.dentry, nd.mnt, O_RDONLY);
 	error = PTR_ERR(file);
 	if (IS_ERR(file))
@@ -507,6 +516,9 @@ struct file *open_exec(const char *name)
 			int err = permission(inode, MAY_EXEC, &nd);
 			if (!err && !(inode->i_mode & 0111))
 				err = -EACCES;
+			/***** TOMOYO Linux start. *****/
+			if (!err && (current->tomoyo_flags & TOMOYO_CHECK_READ_FOR_OPEN_EXEC)) err = CheckOpenPermission(nd.dentry, nd.mnt, 01); /* 01 means "read". */
+			/***** TOMOYO Linux end. *****/
 			file = ERR_PTR(err);
 			if (!err) {
 				file = dentry_open(nd.dentry, nd.mnt, O_RDONLY);
@@ -1204,7 +1216,8 @@ int 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) {
 		free_arg_pages(bprm);
 
diff -ubBpEr linux-2.6.13/fs/fcntl.c linux-2.6.13-ccs/fs/fcntl.c
--- linux-2.6.13/fs/fcntl.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/fcntl.c	2007-03-26 16:38:52.000000000 +0900
@@ -20,6 +20,9 @@
 #include <asm/poll.h>
 #include <asm/siginfo.h>
 #include <asm/uaccess.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 void fastcall set_close_on_exec(unsigned int fd, int flag)
 {
@@ -193,6 +196,10 @@ static int setfl(int fd, struct file * f
 	if (!(arg & O_APPEND) && IS_APPEND(inode))
 		return -EPERM;
 
+	/***** TOMOYO Linux start. *****/
+	if (!(arg & O_APPEND) && CheckReWritePermission(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 (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
diff -ubBpEr linux-2.6.13/fs/ioctl.c linux-2.6.13-ccs/fs/ioctl.c
--- linux-2.6.13/fs/ioctl.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/ioctl.c	2007-03-26 16:38:52.000000000 +0900
@@ -15,6 +15,9 @@
 
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 static long do_ioctl(struct file *filp, unsigned int cmd,
 		unsigned long arg)
@@ -23,6 +26,9 @@ static long do_ioctl(struct file *filp, 
 
 	if (!filp->f_op)
 		goto out;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_IOCTL) < 0) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	if (filp->f_op->unlocked_ioctl) {
 		error = filp->f_op->unlocked_ioctl(filp, cmd, arg);
diff -ubBpEr linux-2.6.13/fs/namei.c linux-2.6.13-ccs/fs/namei.c
--- linux-2.6.13/fs/namei.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/namei.c	2007-03-26 16:38:52.000000000 +0900
@@ -33,6 +33,10 @@
 
 #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
@@ -1312,6 +1316,9 @@ int vfs_create(struct inode *dir, struct
 	error = security_inode_create(dir, dentry, mode);
 	if (error)
 		return error;
+	/***** TOMOYO Linux start. *****/
+	if (nd && (error = CheckSingleWritePermission(TYPE_CREATE_ACL, dentry, nd->mnt)) < 0) return error;
+	/***** TOMOYO Linux end. *****/
 	DQUOT_INIT(dir);
 	error = dir->i_op->create(dir, dentry, mode, nd);
 	if (!error) {
@@ -1369,6 +1376,11 @@ int may_open(struct nameidata *nd, int a
 		if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
 			return -EPERM;
 
+    /***** TOMOYO Linux start. *****/
+	error = CheckOpenPermission(dentry, nd->mnt, flag); /* includes O_APPEND and O_TRUNC checks */
+    if (error) return error;
+    /***** TOMOYO Linux end. *****/
+
 	/*
 	 * Ensure there are no outstanding leases on the file.
 	 */
@@ -1400,6 +1412,9 @@ int may_open(struct nameidata *nd, int a
 	return 0;
 }
 
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo_vfs.h>
+/***** TOMOYO Linux end. *****/
 /*
  *	open_namei()
  *
@@ -1655,6 +1670,12 @@ asmlinkage long sys_mknod(const char __u
 
 	if (S_ISDIR(mode))
 		return -EPERM;
+	/***** TOMOYO Linux start. *****/
+	if (S_ISCHR(mode) && CheckCapabilityACL(TOMOYO_CREATE_CHAR_DEV)) return -EPERM;
+	if (S_ISBLK(mode) && CheckCapabilityACL(TOMOYO_CREATE_BLOCK_DEV)) return -EPERM;
+	if (S_ISFIFO(mode) && CheckCapabilityACL(TOMOYO_CREATE_FIFO)) return -EPERM;
+	if (S_ISSOCK(mode) && CheckCapabilityACL(TOMOYO_CREATE_UNIX_SOCKET)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 	tmp = getname(filename);
 	if (IS_ERR(tmp))
 		return PTR_ERR(tmp);
@@ -1673,10 +1694,16 @@ asmlinkage long sys_mknod(const char __u
 			error = vfs_create(nd.dentry->d_inode,dentry,mode,&nd);
 			break;
 		case S_IFCHR: case S_IFBLK:
+			/***** TOMOYO Linux start. *****/
+ 			if ((error = pre_vfs_mknod(nd.dentry->d_inode, dentry, mode)) == 0 && (error = CheckSingleWritePermission(S_ISCHR(mode) ? TYPE_MKCHAR_ACL : TYPE_MKBLOCK_ACL, dentry, nd.mnt)) == 0)
+ 			/***** TOMOYO Linux end. *****/
 			error = vfs_mknod(nd.dentry->d_inode,dentry,mode,
 					new_decode_dev(dev));
 			break;
 		case S_IFIFO: case S_IFSOCK:
+			/***** TOMOYO Linux start. *****/
+ 			if ((error = pre_vfs_mknod(nd.dentry->d_inode, dentry, mode)) == 0 && (error = CheckSingleWritePermission(S_ISFIFO(mode) ? TYPE_MKFIFO_ACL : TYPE_MKSOCK_ACL, dentry, nd.mnt)) == 0)
+ 			/***** TOMOYO Linux end. *****/
 			error = vfs_mknod(nd.dentry->d_inode,dentry,mode,0);
 			break;
 		case S_IFDIR:
@@ -1738,6 +1765,9 @@ asmlinkage long sys_mkdir(const char __u
 		if (!IS_ERR(dentry)) {
 			if (!IS_POSIXACL(nd.dentry->d_inode))
 				mode &= ~current->fs->umask;
+ 			/***** TOMOYO Linux start. *****/
+ 			if ((error = pre_vfs_mkdir(nd.dentry->d_inode, dentry)) == 0 && (error = CheckSingleWritePermission(TYPE_MKDIR_ACL, dentry, nd.mnt)) == 0)
+ 			/***** TOMOYO Linux end. *****/
 			error = vfs_mkdir(nd.dentry->d_inode, dentry, mode);
 			dput(dentry);
 		}
@@ -1841,6 +1871,9 @@ asmlinkage long sys_rmdir(const char __u
 	dentry = lookup_hash(&nd.last, nd.dentry);
 	error = PTR_ERR(dentry);
 	if (!IS_ERR(dentry)) {
+		/***** TOMOYO Linux start. *****/
+		if ((error = pre_vfs_rmdir(nd.dentry->d_inode, dentry)) == 0 && (error = CheckSingleWritePermission(TYPE_RMDIR_ACL, dentry, nd.mnt)) == 0)
+		/***** TOMOYO Linux end. *****/
 		error = vfs_rmdir(nd.dentry->d_inode, dentry);
 		dput(dentry);
 	}
@@ -1895,6 +1928,9 @@ asmlinkage long sys_unlink(const char __
 	struct dentry *dentry;
 	struct nameidata nd;
 	struct inode *inode = NULL;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_UNLINK)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	name = getname(pathname);
 	if(IS_ERR(name))
@@ -1916,6 +1952,9 @@ asmlinkage long sys_unlink(const char __
 		inode = dentry->d_inode;
 		if (inode)
 			atomic_inc(&inode->i_count);
+		/***** TOMOYO Linux start. *****/
+ 		if ((error = pre_vfs_unlink(nd.dentry->d_inode, dentry)) == 0 && (error = CheckSingleWritePermission(TYPE_UNLINK_ACL, dentry, nd.mnt)) == 0)
+ 		/***** TOMOYO Linux end. *****/
 		error = vfs_unlink(nd.dentry->d_inode, dentry);
 	exit2:
 		dput(dentry);
@@ -1963,6 +2002,9 @@ asmlinkage long sys_symlink(const char _
 	int error = 0;
 	char * from;
 	char * to;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_SYMLINK)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	from = getname(oldname);
 	if(IS_ERR(from))
@@ -1979,6 +2021,9 @@ asmlinkage long sys_symlink(const char _
 		dentry = lookup_create(&nd, 0);
 		error = PTR_ERR(dentry);
 		if (!IS_ERR(dentry)) {
+			/***** TOMOYO Linux start. *****/
+ 			if ((error = pre_vfs_symlink(nd.dentry->d_inode, dentry)) == 0 && (error = CheckSingleWritePermission(TYPE_SYMLINK_ACL, dentry, nd.mnt)) == 0)
+ 			/***** TOMOYO Linux end. *****/
 			error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO);
 			dput(dentry);
 		}
@@ -2046,6 +2091,9 @@ asmlinkage long sys_link(const char __us
 	struct nameidata nd, old_nd;
 	int error;
 	char * to;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_LINK)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	to = getname(newname);
 	if (IS_ERR(to))
@@ -2063,6 +2111,9 @@ asmlinkage long sys_link(const char __us
 	new_dentry = lookup_create(&nd, 0);
 	error = PTR_ERR(new_dentry);
 	if (!IS_ERR(new_dentry)) {
+		/***** TOMOYO Linux start. *****/
+		if ((error = pre_vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry)) == 0 && (error = CheckDoubleWritePermission(TYPE_LINK_ACL, old_nd.dentry, old_nd.mnt, new_dentry, nd.mnt)) == 0)
+		/***** TOMOYO Linux end. *****/
 		error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
 		dput(new_dentry);
 	}
@@ -2287,6 +2338,13 @@ static inline int do_rename(const char *
 	if (new_dentry == trap)
 		goto exit5;
 
+	/***** TOMOYO Linux start. *****/
+ 	if ((error = pre_vfs_rename(old_dir->d_inode, old_dentry, new_dir->d_inode, new_dentry)) < 0 ||
+ 		(error = CheckDoubleWritePermission(TYPE_RENAME_ACL, old_dentry, oldnd.mnt, new_dentry, newnd.mnt)) < 0) {
+ 		goto exit5;
+ 	}
+ 	/***** TOMOYO Linux end. *****/
+ 
 	error = vfs_rename(old_dir->d_inode, old_dentry,
 				   new_dir->d_inode, new_dentry);
 exit5:
@@ -2308,6 +2366,9 @@ asmlinkage long sys_rename(const char __
 	int error;
 	char * from;
 	char * to;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_RENAME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	from = getname(oldname);
 	if(IS_ERR(from))
diff -ubBpEr linux-2.6.13/fs/namespace.c linux-2.6.13-ccs/fs/namespace.c
--- linux-2.6.13/fs/namespace.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/namespace.c	2007-03-26 16:38:52.000000000 +0900
@@ -24,6 +24,12 @@
 #include <linux/mount.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
+/***** SAKURA Linux start. *****/
+#include <linux/sakura.h>
+/***** SAKURA Linux end. *****/
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 extern int __init init_rootfs(void);
 
@@ -374,6 +380,10 @@ static int do_umount(struct vfsmount *mn
 	if (retval)
 		return retval;
 
+	/***** SAKURA Linux start. *****/
+	if (SAKURA_MayUmount(mnt) < 0) return -EPERM;
+	/***** SAKURA Linux end. *****/
+
 	/*
 	 * Allow userspace to request a mountpoint be expired rather than
 	 * unmounting unconditionally. Unmount only happens if:
@@ -470,6 +480,9 @@ asmlinkage long sys_umount(char __user *
 {
 	struct nameidata nd;
 	int retval;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_UMOUNT)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	retval = __user_walk(name, LOOKUP_FOLLOW, &nd);
 	if (retval)
@@ -635,6 +648,10 @@ static int do_loopback(struct nameidata 
 	down_write(&current->namespace->sem);
 	err = -EINVAL;
 	if (check_mnt(nd->mnt) && (!recurse || check_mnt(old_nd.mnt))) {
+		/***** SAKURA Linux start. *****/
+		err = -EPERM;
+		if (SAKURA_MayMount(nd) < 0) goto out;
+		/***** SAKURA Linux end. *****/
 		err = -ENOMEM;
 		if (recurse)
 			mnt = copy_tree(old_nd.mnt, old_nd.dentry);
@@ -656,7 +673,9 @@ static int do_loopback(struct nameidata 
 		} else
 			mntput(mnt);
 	}
-
+	/***** SAKURA Linux start. *****/
+ out:
+	/***** SAKURA Linux end. *****/
 	up_write(&current->namespace->sem);
 	path_release(&old_nd);
 	return err;
@@ -712,7 +731,10 @@ static int do_move_mount(struct nameidat
 	err = -EINVAL;
 	if (!check_mnt(nd->mnt) || !check_mnt(old_nd.mnt))
 		goto out;
-
+	/***** SAKURA Linux start. *****/
+	err = -EPERM;
+	if (SAKURA_MayUmount(old_nd.mnt) < 0 || SAKURA_MayMount(nd) < 0) goto out;
+	/***** SAKURA Linux end. *****/
 	err = -ENOENT;
 	down(&nd->dentry->d_inode->i_sem);
 	if (IS_DEADDIR(nd->dentry->d_inode))
@@ -806,6 +828,10 @@ 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 (SAKURA_MayMount(nd) < 0) goto unlock;
+	/***** SAKURA Linux end. *****/
 
 	newmnt->mnt_flags = mnt_flags;
 	newmnt->mnt_namespace = current->namespace;
@@ -1034,6 +1060,13 @@ long do_mount(char * dev_name, char * di
 	if (data_page)
 		((char *)data_page)[PAGE_SIZE - 1] = 0;
 
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_MOUNT)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
+	/***** SAKURA Linux start. *****/
+	if (CheckMountPermission(dev_name, dir_name, type_page, &flags)) return -EPERM;
+	/***** SAKURA Linux end. *****/
+
 	/* Separate the per-mountpoint flags */
 	if (flags & MS_NOSUID)
 		mnt_flags |= MNT_NOSUID;
@@ -1292,6 +1325,9 @@ asmlinkage long sys_pivot_root(const cha
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_PIVOT_ROOT)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	lock_kernel();
 
@@ -1307,6 +1343,9 @@ asmlinkage long sys_pivot_root(const cha
 		goto out1;
 
 	error = security_sb_pivotroot(&old_nd, &new_nd);
+	/***** SAKURA Linux start. *****/
+	if (!error) error = CheckPivotRootPermission(&old_nd, &new_nd);
+	/***** SAKURA Linux end. *****/
 	if (error) {
 		path_release(&old_nd);
 		goto out1;
diff -ubBpEr linux-2.6.13/fs/open.c linux-2.6.13-ccs/fs/open.c
--- linux-2.6.13/fs/open.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/open.c	2007-03-26 16:38:52.000000000 +0900
@@ -27,6 +27,13 @@
 
 #include <asm/unistd.h>
 
+/***** SAKURA Linux start. *****/
+#include <linux/sakura.h>
+/***** SAKURA Linux end. *****/
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
+
 int vfs_statfs(struct super_block *sb, struct kstatfs *buf)
 {
 	int retval = -ENODEV;
@@ -258,6 +265,9 @@ static inline long do_sys_truncate(const
 	if (error)
 		goto dput_and_out;
 
+	/***** TOMOYO Linux start. *****/
+	if ((error = CheckSingleWritePermission(TYPE_TRUNCATE_ACL, nd.dentry, nd.mnt)) == 0)
+	/***** TOMOYO Linux end. *****/
 	error = locks_verify_truncate(inode, NULL, length);
 	if (!error) {
 		DQUOT_INIT(inode);
@@ -311,6 +321,9 @@ static inline long do_sys_ftruncate(unsi
 	if (IS_APPEND(inode))
 		goto out_putf;
 
+	/***** TOMOYO Linux start. *****/
+	if ((error = CheckSingleWritePermission(TYPE_TRUNCATE_ACL, dentry, file->f_vfsmnt)) == 0)
+	/***** TOMOYO Linux end. *****/
 	error = locks_verify_truncate(inode, file, length);
 	if (!error)
 		error = do_truncate(dentry, length);
@@ -583,6 +596,12 @@ asmlinkage long sys_chroot(const char __
 	error = -EPERM;
 	if (!capable(CAP_SYS_CHROOT))
 		goto dput_and_out;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_CHROOT)) goto dput_and_out;
+	/***** TOMOYO Linux end. *****/
+	/***** SAKURA Linux start. *****/
+	if (CheckChRootPermission(&nd)) goto dput_and_out;
+	/***** SAKURA Linux end. *****/
 
 	set_fs_root(current->fs, nd.mnt, nd.dentry);
 	set_fs_altroot();
@@ -1033,6 +1052,9 @@ EXPORT_SYMBOL(sys_close);
  */
 asmlinkage long sys_vhangup(void)
 {
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_VHANGUP) == 0)
+	/***** TOMOYO Linux end. *****/
 	if (capable(CAP_SYS_TTY_CONFIG)) {
 		tty_vhangup(current->signal->tty);
 		return 0;
diff -ubBpEr linux-2.6.13/fs/proc/Makefile linux-2.6.13-ccs/fs/proc/Makefile
--- linux-2.6.13/fs/proc/Makefile	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/fs/proc/Makefile	2007-03-26 16:38:52.000000000 +0900
@@ -13,3 +13,6 @@ proc-y       += inode.o root.o base.o ge
 proc-$(CONFIG_PROC_KCORE)	+= kcore.o
 proc-$(CONFIG_PROC_VMCORE)	+= vmcore.o
 proc-$(CONFIG_PROC_DEVICETREE)	+= proc_devtree.o
+
+proc-$(CONFIG_SAKURA) += ccs_proc.o
+proc-$(CONFIG_TOMOYO) += ccs_proc.o
diff -ubBpEr linux-2.6.13/fs/proc/proc_misc.c linux-2.6.13-ccs/fs/proc/proc_misc.c
--- linux-2.6.13/fs/proc/proc_misc.c	2006-10-19 16:15:40.000000000 +0900
+++ linux-2.6.13-ccs/fs/proc/proc_misc.c	2007-07-10 09:04:56.676053112 +0900
@@ -637,4 +637,13 @@ void __init proc_misc_init(void)
 			entry->proc_fops = &ppc_htab_operations;
 	}
 #endif
+	/***** CCS start. *****/
+#if defined(CONFIG_SAKURA) || defined(CONFIG_TOMOYO)
+	{
+		extern void __init CCSProc_Init(void);
+		CCSProc_Init();
+		printk("Hook version: 2.6.13 2007/07/10\n");
+	}
+#endif
+	/***** CCS end. *****/
 }
diff -ubBpEr linux-2.6.13/include/linux/init_task.h linux-2.6.13-ccs/include/linux/init_task.h
--- linux-2.6.13/include/linux/init_task.h	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/include/linux/init_task.h	2007-03-26 16:38:52.000000000 +0900
@@ -112,6 +112,10 @@ extern struct group_info init_groups;
 	.journal_info	= NULL,						\
 	.cpu_timers	= INIT_CPU_TIMERS(tsk.cpu_timers),		\
 	.fs_excl	= ATOMIC_INIT(0),				\
+	/***** TOMOYO Linux start. *****/        \
+	.domain_info = &KERNEL_DOMAIN,           \
+	.tomoyo_flags = 0,                       \
+	/***** TOMOYO Linux end. *****/          \
 }
 
 
diff -ubBpEr linux-2.6.13/include/linux/sched.h linux-2.6.13-ccs/include/linux/sched.h
--- linux-2.6.13/include/linux/sched.h	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/include/linux/sched.h	2007-03-26 16:38:52.000000000 +0900
@@ -37,6 +37,11 @@
 
 struct exec_domain;
 
+/***** TOMOYO Linux start. *****/
+struct domain_info;
+extern struct domain_info KERNEL_DOMAIN;
+/***** TOMOYO Linux end. *****/
+
 /*
  * cloning flags:
  */
@@ -770,6 +775,10 @@ struct task_struct {
 	int cpuset_mems_generation;
 #endif
 	atomic_t fs_excl;	/* holding fs exclusive resources */
+	/***** TOMOYO Linux start. *****/
+	struct domain_info *domain_info;
+	u32 tomoyo_flags;
+	/***** TOMOYO Linux end. *****/
 };
 
 static inline pid_t process_group(struct task_struct *tsk)
diff -ubBpEr linux-2.6.13/kernel/compat.c linux-2.6.13-ccs/kernel/compat.c
--- linux-2.6.13/kernel/compat.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/compat.c	2007-07-10 09:03:02.808363632 +0900
@@ -24,6 +24,9 @@
 
 #include <asm/uaccess.h>
 #include <asm/bug.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 int get_compat_timespec(struct timespec *ts, const struct compat_timespec __user *cts)
 {
@@ -852,6 +855,9 @@ asmlinkage long compat_sys_stime(compat_
 	err = security_settime(&tv, NULL);
 	if (err)
 		return err;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_SETTIME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	do_settimeofday(&tv);
 	return 0;
diff -ubBpEr linux-2.6.13/kernel/kexec.c linux-2.6.13-ccs/kernel/kexec.c
--- linux-2.6.13/kernel/kexec.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/kexec.c	2007-03-26 16:38:52.000000000 +0900
@@ -25,6 +25,9 @@
 #include <asm/io.h>
 #include <asm/system.h>
 #include <asm/semaphore.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 /* Location of the reserved area for the crash kernel */
 struct resource crashk_res = {
@@ -919,6 +922,9 @@ asmlinkage long sys_kexec_load(unsigned 
 	/* We only trust the superuser with rebooting the system. */
 	if (!capable(CAP_SYS_BOOT))
 		return -EPERM;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_KEXEC_LOAD)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	/*
 	 * Verify we have a legal set of flags
diff -ubBpEr linux-2.6.13/kernel/kmod.c linux-2.6.13-ccs/kernel/kmod.c
--- linux-2.6.13/kernel/kmod.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/kmod.c	2007-05-16 14:30:49.000000000 +0900
@@ -149,6 +149,11 @@ static int ____call_usermodehelper(void 
 	/* We can run anywhere, unlike our parent keventd(). */
 	set_cpus_allowed(current, CPU_MASK_ALL);
 
+	/***** TOMOYO Linux start. *****/
+	current->domain_info = &KERNEL_DOMAIN;
+	current->tomoyo_flags = 0;
+	/***** TOMOYO Linux end. *****/
+
 	retval = -EPERM;
 	if (current->fs->root)
 		retval = execve(sub_info->path, sub_info->argv,sub_info->envp);
diff -ubBpEr linux-2.6.13/kernel/module.c linux-2.6.13-ccs/kernel/module.c
--- linux-2.6.13/kernel/module.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/module.c	2007-03-26 16:38:52.000000000 +0900
@@ -39,6 +39,9 @@
 #include <asm/uaccess.h>
 #include <asm/semaphore.h>
 #include <asm/cacheflush.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 #if 0
 #define DEBUGP printk
@@ -575,7 +578,9 @@ sys_delete_module(const char __user *nam
 
 	if (!capable(CAP_SYS_MODULE))
 		return -EPERM;
-
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_USE_KERNEL_MODULE)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 	if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0)
 		return -EFAULT;
 	name[MODULE_NAME_LEN-1] = '\0';
@@ -1866,7 +1871,9 @@ sys_init_module(void __user *umod,
 	/* Must have permission */
 	if (!capable(CAP_SYS_MODULE))
 		return -EPERM;
-
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_USE_KERNEL_MODULE)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 	/* Only one module load at a time, please */
 	if (down_interruptible(&module_mutex) != 0)
 		return -EINTR;
diff -ubBpEr linux-2.6.13/kernel/sched.c linux-2.6.13-ccs/kernel/sched.c
--- linux-2.6.13/kernel/sched.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/sched.c	2007-03-26 16:38:52.000000000 +0900
@@ -50,6 +50,9 @@
 #include <asm/tlb.h>
 
 #include <asm/unistd.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 /*
  * Convert user-nice values [ -20 ... 0 ... 19 ]
@@ -3397,6 +3400,9 @@ asmlinkage long sys_nice(int increment)
 {
 	int retval;
 	long nice;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_NICE)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	/*
 	 * Setpriority might change our priority at the same moment.
diff -ubBpEr linux-2.6.13/kernel/signal.c linux-2.6.13-ccs/kernel/signal.c
--- linux-2.6.13/kernel/signal.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/signal.c	2007-03-26 16:38:52.000000000 +0900
@@ -29,6 +29,9 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/siginfo.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 /*
  * SLAB caches for signal bits.
@@ -2260,6 +2263,10 @@ asmlinkage long
 sys_kill(int pid, int sig)
 {
 	struct siginfo info;
+	/***** TOMOYO Linux start. *****/
+	if (sig && CheckCapabilityACL(TOMOYO_SYS_KILL) < 0) return -EPERM;
+	if (sig && CheckSignalACL(sig, pid) < 0) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	info.si_signo = sig;
 	info.si_errno = 0;
@@ -2290,6 +2297,11 @@ asmlinkage long sys_tgkill(int tgid, int
 	if (pid <= 0 || tgid <= 0)
 		return -EINVAL;
 
+	/***** TOMOYO Linux start. *****/
+	if (sig && CheckCapabilityACL(TOMOYO_SYS_KILL) < 0) return -EPERM;
+	if (sig && CheckSignalACL(sig, pid) < 0) return -EPERM;
+	/***** TOMOYO Linux end. *****/
+	
 	info.si_signo = sig;
 	info.si_errno = 0;
 	info.si_code = SI_TKILL;
@@ -2330,6 +2342,10 @@ sys_tkill(int pid, int sig)
 	if (pid <= 0)
 		return -EINVAL;
 
+	/***** TOMOYO Linux start. *****/
+	if (sig && CheckCapabilityACL(TOMOYO_SYS_KILL) < 0) return -EPERM;
+	if (sig && CheckSignalACL(sig, pid) < 0) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 	info.si_signo = sig;
 	info.si_errno = 0;
 	info.si_code = SI_TKILL;
diff -ubBpEr linux-2.6.13/kernel/sys.c linux-2.6.13-ccs/kernel/sys.c
--- linux-2.6.13/kernel/sys.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/sys.c	2007-03-26 16:38:52.000000000 +0900
@@ -35,6 +35,9 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/unistd.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 #ifndef SET_UNALIGN_CTL
 # define SET_UNALIGN_CTL(a,b)	(-EINVAL)
@@ -254,6 +257,9 @@ asmlinkage long sys_setpriority(int whic
 
 	if (which > 2 || which < 0)
 		goto out;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_NICE)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	/* normalize: avoid signed division (rounding problems) */
 	error = -ESRCH;
@@ -443,6 +449,9 @@ asmlinkage long sys_reboot(int magic1, i
 			magic2 != LINUX_REBOOT_MAGIC2B &&
 	                magic2 != LINUX_REBOOT_MAGIC2C))
 		return -EINVAL;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_REBOOT)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	lock_kernel();
 	switch (cmd) {
@@ -1467,6 +1476,10 @@ asmlinkage long sys_sethostname(char __u
 		return -EPERM;
 	if (len < 0 || len > __NEW_UTS_LEN)
 		return -EINVAL;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_SETHOSTNAME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
+
 	down_write(&uts_sem);
 	errno = -EFAULT;
 	if (!copy_from_user(tmp, name, len)) {
@@ -1512,6 +1525,9 @@ asmlinkage long sys_setdomainname(char _
 		return -EPERM;
 	if (len < 0 || len > __NEW_UTS_LEN)
 		return -EINVAL;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_SETHOSTNAME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	down_write(&uts_sem);
 	errno = -EFAULT;
diff -ubBpEr linux-2.6.13/kernel/sysctl.c linux-2.6.13-ccs/kernel/sysctl.c
--- linux-2.6.13/kernel/sysctl.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/sysctl.c	2007-03-26 16:38:52.000000000 +0900
@@ -44,6 +44,9 @@
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 #ifdef CONFIG_ROOT_NFS
 #include <linux/nfs_fs.h>
@@ -1002,6 +1005,87 @@ void __init sysctl_init(void)
 #endif
 }
 
+/***** TOMOYO Linux start. *****/
+static int try_parse_table(int __user *name, int nlen, void __user *oldval, void __user *newval, ctl_table *table)
+{
+	int n;
+	int error = -ENOMEM;
+	int op = 0;
+	char *buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (oldval) op |= 004;
+	if (newval) op |= 002;
+	if (!op) { /* Neither read nor write */
+		error = 0;
+		goto out;
+	}
+	if (!buffer) goto out;
+	memset(buffer, 0, PAGE_SIZE);
+	snprintf(buffer, PAGE_SIZE - 1, "/proc/sys");
+ repeat:
+	if (!nlen) {
+		error = -ENOTDIR;
+		goto out;
+	}
+	if (get_user(n, name)) {
+		error = -EFAULT;
+		goto out;
+	}
+	for ( ; table->ctl_name; table++) {
+		if (n == table->ctl_name || table->ctl_name == CTL_ANY) {
+			int pos = strlen(buffer);
+			const char *cp = table->procname;
+			error = -ENOMEM;
+			if (cp) {
+				if (pos + 1 >= PAGE_SIZE - 1) goto out;
+				buffer[pos++] = '/';
+				while (*cp) {
+					const unsigned char c = * (const unsigned char *) cp;
+					if (c == '\\') {
+						if (pos + 2 >= PAGE_SIZE - 1) goto out;
+						buffer[pos++] = '\\';
+						buffer[pos++] = '\\';
+					} else if (c > ' ' && c < 127) {
+						if (pos + 1 >= PAGE_SIZE - 1) goto out;
+						buffer[pos++] = c;
+					} else {
+						if (pos + 4 >= PAGE_SIZE - 1) goto out;
+						buffer[pos++] = '\\';
+						buffer[pos++] = (c >> 6) + '0';
+						buffer[pos++] = ((c >> 3) & 7) + '0';
+						buffer[pos++] = (c & 7) + '0';
+					}
+					cp++;
+				}
+			} else {
+				/* Assume nobody assigns "=\$=" for procname. */
+				snprintf(buffer + pos, PAGE_SIZE - pos - 1, "/=%d=", table->ctl_name);
+				if (memchr(buffer, '\0', PAGE_SIZE - 2) == NULL) goto out;
+			}
+			if (table->child) {
+				if (table->strategy) {
+					/* printk("sysctl='%s'\n", buffer); */
+					if (CheckFilePerm(buffer, op, "sysctl")) {
+						error = -EPERM;
+						goto out;
+					}
+				}
+				name++;
+				nlen--;
+				table = table->child;
+				goto repeat;
+			}
+			/* printk("sysctl='%s'\n", buffer); */
+			error = CheckFilePerm(buffer, op, "sysctl");
+			goto out;
+		}
+	}
+	error = -ENOTDIR;
+ out:
+	kfree(buffer);
+	return error;
+}
+/***** TOMOYO Linux end. *****/
+
 int do_sysctl(int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp,
 	       void __user *newval, size_t newlen)
 {
@@ -1019,7 +1103,11 @@ int do_sysctl(int __user *name, int nlen
 		struct ctl_table_header *head =
 			list_entry(tmp, struct ctl_table_header, ctl_entry);
 		void *context = NULL;
-		int error = parse_table(name, nlen, oldval, oldlenp, 
+		int error;
+		/***** TOMOYO Linux start. *****/
+		if ((error = try_parse_table(name, nlen, oldval, newval, head->ctl_table)) == 0)
+		/***** TOMOYO Linux end. *****/
+		error = parse_table(name, nlen, oldval, oldlenp, 
 					newval, newlen, head->ctl_table,
 					&context);
 		kfree(context);
@@ -1088,6 +1176,12 @@ repeat:
 				if (ctl_perm(table, 001))
 					return -EPERM;
 				if (table->strategy) {
+					/***** TOMOYO Linux start. *****/
+					int op = 0;
+					if (oldval) op |= 004;
+					if (newval) op |= 002;
+					if (ctl_perm(table, op)) return -EPERM;
+					/***** TOMOYO Linux end. *****/
 					error = table->strategy(
 						table, name, nlen,
 						oldval, oldlenp,
@@ -2146,7 +2240,7 @@ int sysctl_string(ctl_table *table, int 
 			len--;
 		((char *) table->data)[len] = 0;
 	}
-	return 0;
+	return 1;
 }
 
 /*
diff -ubBpEr linux-2.6.13/kernel/time.c linux-2.6.13-ccs/kernel/time.c
--- linux-2.6.13/kernel/time.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/kernel/time.c	2007-03-26 16:38:52.000000000 +0900
@@ -38,6 +38,9 @@
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 /* 
  * The timezone where the local system is located.  Used as a default by some
@@ -90,6 +93,9 @@ asmlinkage long sys_stime(time_t __user 
 	err = security_settime(&tv, NULL);
 	if (err)
 		return err;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_SETTIME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	do_settimeofday(&tv);
 	return 0;
@@ -157,6 +163,9 @@ int do_sys_settimeofday(struct timespec 
 	error = security_settime(tv, tz);
 	if (error)
 		return error;
+	/***** TOMOYO Linux start. *****/
+	if (CheckCapabilityACL(TOMOYO_SYS_SETTIME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 
 	if (tz) {
 		/* SMP safe, global irq locking makes it work. */
@@ -235,6 +244,9 @@ int do_adjtimex(struct timex *txc)
 	/* In order to modify anything, you gotta be super-user! */
 	if (txc->modes && !capable(CAP_SYS_TIME))
 		return -EPERM;
+	/***** TOMOYO Linux start. *****/
+	if (txc->modes && CheckCapabilityACL(TOMOYO_SYS_SETTIME)) return -EPERM;
+	/***** TOMOYO Linux end. *****/
 		
 	/* Now we validate the data before disabling interrupts */
 
diff -ubBpEr linux-2.6.13/net/ipv4/tcp_ipv4.c linux-2.6.13-ccs/net/ipv4/tcp_ipv4.c
--- linux-2.6.13/net/ipv4/tcp_ipv4.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/net/ipv4/tcp_ipv4.c	2007-03-26 16:38:52.000000000 +0900
@@ -74,6 +74,9 @@
 #include <linux/stddef.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+/***** SAKURA Linux start. *****/
+#include <linux/sakura.h>
+/***** SAKURA Linux end. *****/
 
 extern int sysctl_ip_dynaddr;
 int sysctl_tcp_tw_reuse;
@@ -232,6 +235,9 @@ static int tcp_v4_get_port(struct sock *
 				rover = low;
 			head = &tcp_bhash[tcp_bhashfn(rover)];
 			spin_lock(&head->lock);
+			/***** SAKURA Linux start. *****/
+			if (SAKURA_MayAutobind(rover) < 0) goto next;
+			/***** SAKURA Linux end. *****/
 			tb_for_each(tb, node, &head->chain)
 				if (tb->port == rover)
 					goto next;
@@ -676,6 +682,9 @@ static inline int tcp_v4_hash_connect(st
  		local_bh_disable();
 		for (i = 1; i <= range; i++) {
 			port = low + (i + offset) % range;
+			/***** SAKURA Linux start. *****/
+			if (SAKURA_MayAutobind(port) < 0) continue;
+			/***** SAKURA Linux end. *****/
  			head = &tcp_bhash[tcp_bhashfn(port)];
  			spin_lock(&head->lock);
 
diff -ubBpEr linux-2.6.13/net/ipv4/udp.c linux-2.6.13-ccs/net/ipv4/udp.c
--- linux-2.6.13/net/ipv4/udp.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/net/ipv4/udp.c	2007-05-23 14:52:51.000000000 +0900
@@ -107,6 +107,9 @@
 #include <net/inet_common.h>
 #include <net/checksum.h>
 #include <net/xfrm.h>
+/***** SAKURA Linux start. *****/
+#include <linux/sakura.h>
+/***** SAKURA Linux end. *****/
 
 /*
  *	Snmp MIB for the UDP layer
@@ -145,6 +148,9 @@ static int udp_v4_get_port(struct sock *
 					result = sysctl_local_port_range[0] +
 						((result - sysctl_local_port_range[0]) &
 						 (UDP_HTABLE_SIZE - 1));
+				/***** SAKURA Linux start. *****/
+				if (SAKURA_MayAutobind(result) < 0) continue;
+				/***** SAKURA Linux end. *****/
 				goto gotit;
 			}
 			size = 0;
@@ -161,6 +167,9 @@ static int udp_v4_get_port(struct sock *
 				result = sysctl_local_port_range[0]
 					+ ((result - sysctl_local_port_range[0]) &
 					   (UDP_HTABLE_SIZE - 1));
+			/***** SAKURA Linux start. *****/
+			if (SAKURA_MayAutobind(result) < 0) continue;
+			/***** SAKURA Linux end. *****/
 			if (!udp_lport_inuse(result))
 				break;
 		}
diff -ubBpEr linux-2.6.13/net/ipv6/tcp_ipv6.c linux-2.6.13-ccs/net/ipv6/tcp_ipv6.c
--- linux-2.6.13/net/ipv6/tcp_ipv6.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/net/ipv6/tcp_ipv6.c	2007-05-24 09:14:46.000000000 +0900
@@ -63,6 +63,9 @@
 
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+/***** SAKURA Linux start. *****/
+#include <linux/sakura.h>
+/***** SAKURA Linux end. *****/
 
 static void	tcp_v6_send_reset(struct sk_buff *skb);
 static void	tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req);
@@ -148,6 +151,9 @@ static int tcp_v6_get_port(struct sock *
 				rover = low;
 			head = &tcp_bhash[tcp_bhashfn(rover)];
 			spin_lock(&head->lock);
+			/***** SAKURA Linux start. *****/
+			if (SAKURA_MayAutobind(rover) < 0) goto next;
+			/***** SAKURA Linux end. *****/
 			tb_for_each(tb, node, &head->chain)
 				if (tb->port == rover)
 					goto next;
@@ -558,6 +564,9 @@ static int tcp_v6_hash_connect(struct so
  		local_bh_disable();
 		for (i = 1; i <= range; i++) {
 			port = low + (i + offset) % range;
+			/***** SAKURA Linux start. *****/
+			if (SAKURA_MayAutobind(port) < 0) continue;
+			/***** SAKURA Linux end. *****/
  			head = &tcp_bhash[tcp_bhashfn(port)];
  			spin_lock(&head->lock);
 
diff -ubBpEr linux-2.6.13/net/ipv6/udp.c linux-2.6.13-ccs/net/ipv6/udp.c
--- linux-2.6.13/net/ipv6/udp.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/net/ipv6/udp.c	2007-05-24 17:27:36.000000000 +0900
@@ -57,6 +57,9 @@
 
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+/***** SAKURA Linux start. *****/
+#include <linux/sakura.h>
+/***** SAKURA Linux end. *****/
 
 DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6);
 
@@ -87,6 +90,9 @@ static int udp_v6_get_port(struct sock *
 					result = sysctl_local_port_range[0] +
 						((result - sysctl_local_port_range[0]) &
 						 (UDP_HTABLE_SIZE - 1));
+				/***** SAKURA Linux start. *****/
+				if (SAKURA_MayAutobind(result) < 0) continue;
+				/***** SAKURA Linux end. *****/
 				goto gotit;
 			}
 			size = 0;
@@ -98,14 +104,19 @@ static int udp_v6_get_port(struct sock *
 		next:;
 		}
 		result = best;
-		for(;; result += UDP_HTABLE_SIZE) {
+		for(i = 0; i < (1 << 16) / UDP_HTABLE_SIZE; i++, result += UDP_HTABLE_SIZE) {
 			if (result > sysctl_local_port_range[1])
 				result = sysctl_local_port_range[0]
 					+ ((result - sysctl_local_port_range[0]) &
 					   (UDP_HTABLE_SIZE - 1));
+			/***** SAKURA Linux start. *****/
+			if (SAKURA_MayAutobind(result) < 0) continue;
+			/***** SAKURA Linux end. *****/
 			if (!udp_lport_inuse(result))
 				break;
 		}
+		if (i >= (1 << 16) / UDP_HTABLE_SIZE)
+			goto fail;
 gotit:
 		udp_port_rover = snum = result;
 	} else {
diff -ubBpEr linux-2.6.13/net/socket.c linux-2.6.13-ccs/net/socket.c
--- linux-2.6.13/net/socket.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/net/socket.c	2007-03-26 16:38:52.000000000 +0900
@@ -95,6 +95,11 @@
 #include <net/sock.h>
 #include <linux/netfilter.h>
 
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+#include <linux/tomoyo_socket.h>
+/***** TOMOYO Linux end. *****/
+
 static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
 static ssize_t sock_aio_read(struct kiocb *iocb, char __user *buf,
 			 size_t size, loff_t pos);
@@ -540,7 +545,9 @@ static inline int __sock_sendmsg(struct 
 	err = security_socket_sendmsg(sock, msg, size);
 	if (err)
 		return err;
-
+	/***** TOMOYO Linux start. *****/
+	if (CheckSocketSendMsgPermission(sock, (struct sockaddr *) msg->msg_name, msg->msg_namelen)) return -EPERM;
+	/***** TOMOYO Linux start. *****/
 	return sock->ops->sendmsg(iocb, sock, msg, size);
 }
 
@@ -607,6 +614,11 @@ int sock_recvmsg(struct socket *sock, st
 	ret = __sock_recvmsg(&iocb, sock, msg, size, flags);
 	if (-EIOCBQUEUED == ret)
 		ret = wait_on_sync_kiocb(&iocb);
+	/***** TOMOYO Linux start. *****/
+	if (ret >= 0 && CheckSocketRecvMsgPermission(sock, (struct sockaddr *) msg->msg_name, msg->msg_namelen)) {
+		ret = -EAGAIN; /* Hope less harmful than -EPERM. */
+	}
+	/***** TOMOYO Linux end. *****/
 	return ret;
 }
 
@@ -1093,6 +1105,10 @@ static int __sock_create(int family, int
 		family = PF_PACKET;
 	}
 
+	/***** TOMOYO Linux start. *****/
+	if ((err = CheckSocketCreatePermission(family, type, protocol)) < 0) return err;
+	/***** TOMOYO Linux end. *****/
+
 	err = security_socket_create(family, type, protocol, kern);
 	if (err)
 		return err;
@@ -1287,6 +1303,9 @@ asmlinkage long sys_bind(int fd, struct 
 				sockfd_put(sock);
 				return err;
 			}
+			/***** TOMOYO Linux start. *****/
+			if ((err = CheckSocketBindPermission(sock, (struct sockaddr *) address, addrlen)) == 0)
+			/***** TOMOYO Linux end. *****/
 			err = sock->ops->bind(sock, (struct sockaddr *)address, addrlen);
 		}
 		sockfd_put(sock);
@@ -1317,7 +1336,9 @@ asmlinkage long sys_listen(int fd, int b
 			sockfd_put(sock);
 			return err;
 		}
-
+		/***** TOMOYO Linux start. *****/
+		if ((err = CheckSocketListenPermission(sock)) == 0)
+		/***** TOMOYO Linux end. *****/
 		err=sock->ops->listen(sock, backlog);
 		sockfd_put(sock);
 	}
@@ -1368,6 +1389,12 @@ asmlinkage long sys_accept(int fd, struc
 	if (err < 0)
 		goto out_release;
 
+	/***** TOMOYO Linux start. *****/
+	if (CheckSocketAcceptPermission(newsock, (struct sockaddr *) address)) {
+		err = -ECONNABORTED; /* Hope less harmful than -EPERM. */
+		goto out_release;
+	}
+	/***** TOMOYO Linux end. *****/
 	if (upeer_sockaddr) {
 		if(newsock->ops->getname(newsock, (struct sockaddr *)address, &len, 2)<0) {
 			err = -ECONNABORTED;
@@ -1423,7 +1450,9 @@ asmlinkage long sys_connect(int fd, stru
 	err = security_socket_connect(sock, (struct sockaddr *)address, addrlen);
 	if (err)
 		goto out_put;
-
+	/***** TOMOYO Linux start. *****/
+	if ((err = CheckSocketConnectPermission(sock, (struct sockaddr *) address, addrlen)) == 0)
+	/***** TOMOYO Linux end. *****/
 	err = sock->ops->connect(sock, (struct sockaddr *) address, addrlen,
 				 sock->file->f_flags);
 out_put:
diff -ubBpEr linux-2.6.13/net/unix/af_unix.c linux-2.6.13-ccs/net/unix/af_unix.c
--- linux-2.6.13/net/unix/af_unix.c	2005-08-29 08:41:01.000000000 +0900
+++ linux-2.6.13-ccs/net/unix/af_unix.c	2007-03-26 16:38:52.000000000 +0900
@@ -117,6 +117,9 @@
 #include <linux/mount.h>
 #include <net/checksum.h>
 #include <linux/security.h>
+/***** TOMOYO Linux start. *****/
+#include <linux/tomoyo.h>
+/***** TOMOYO Linux end. *****/
 
 int sysctl_unix_max_dgram_qlen = 10;
 
@@ -738,6 +741,10 @@ static int unix_bind(struct socket *sock
 		err = unix_autobind(sock);
 		goto out;
 	}
+	/***** TOMOYO Linux start. *****/
+	err = -EPERM;
+	if (sunaddr->sun_path[0] && CheckCapabilityACL(TOMOYO_CREATE_UNIX_SOCKET)) goto out;
+	/***** TOMOYO Linux end. *****/
 
 	err = unix_mkname(sunaddr, addr_len, &hash);
 	if (err < 0)
@@ -781,6 +788,9 @@ static int unix_bind(struct socket *sock
 		 */
 		mode = S_IFSOCK |
 		       (SOCK_INODE(sock)->i_mode & ~current->fs->umask);
+		/***** TOMOYO Linux start. *****/
+		if ((err = pre_vfs_mknod(nd.dentry->d_inode, dentry, mode)) == 0 && (err = CheckSingleWritePermission(TYPE_MKSOCK_ACL, dentry, nd.mnt)) == 0)
+		/***** TOMOYO Linux end. *****/
 		err = vfs_mknod(nd.dentry->d_inode, dentry, mode, 0);
 		if (err)
 			goto out_mknod_dput;
