--- xnu/xnu-12377.101.15/security/mac_file.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/*-
- * Copyright (c) 2002, 2003 Networks Associates Technology, Inc.
- * Copyright (c) 2006 SPARTA, Inc.
- * All rights reserved.
- *
- * This software was developed for the FreeBSD Project in part by Network
- * Associates Laboratories, the Security Research Division of Network
- * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
- * as part of the DARPA CHATS research program.
- *
- * This software was enhanced by SPARTA ISSO under SPAWAR contract
- * N66001-04-C-6019 ("SEFOS").
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/proc.h>
-#include <sys/sbuf.h>
-#include <sys/systm.h>
-#include <sys/vnode.h>
-#include <sys/vnode_internal.h>
-#include <sys/file.h>
-#include <sys/file_internal.h>
-
-#include <security/mac_internal.h>
-
-int
-mac_file_check_create(struct ucred *cred)
-{
-	int error;
-
-	MAC_CHECK(file_check_create, cred);
-	return error;
-}
-
-int
-mac_file_check_dup(struct ucred *cred, struct fileglob *fg, int newfd)
-{
-	int error;
-
-	MAC_CHECK(file_check_dup, cred, fg, NULL, newfd);
-	return error;
-}
-
-int
-mac_file_check_fcntl(struct ucred *cred, struct fileglob *fg, int cmd,
-    user_long_t arg)
-{
-	int error;
-
-	MAC_CHECK(file_check_fcntl, cred, fg, NULL, cmd, arg);
-	return error;
-}
-
-int
-mac_file_check_ioctl(struct ucred *cred, struct fileglob *fg, u_long cmd)
-{
-	int error;
-
-	MAC_CHECK(file_check_ioctl, cred, fg, NULL, cmd);
-	return error;
-}
-
-int
-mac_file_check_inherit(struct ucred *cred, struct fileglob *fg)
-{
-	int error;
-
-	MAC_CHECK(file_check_inherit, cred, fg, NULL);
-	return error;
-}
-
-int
-mac_file_check_receive(struct ucred *cred, struct fileglob *fg)
-{
-	int error;
-
-	MAC_CHECK(file_check_receive, cred, fg, NULL);
-	return error;
-}
-
-int
-mac_file_check_get_offset(struct ucred *cred, struct fileglob *fg)
-{
-	int error;
-
-	MAC_CHECK(file_check_get_offset, cred, fg, NULL);
-	return error;
-}
-
-int
-mac_file_check_change_offset(struct ucred *cred, struct fileglob *fg)
-{
-	int error;
-
-	MAC_CHECK(file_check_change_offset, cred, fg, NULL);
-	return error;
-}
-
-int
-mac_file_check_get(struct ucred *cred, struct fileglob *fg, char *elements,
-    size_t len)
-{
-	int error;
-
-	MAC_CHECK(file_check_get, cred, fg, elements, len);
-	return error;
-}
-
-int
-mac_file_check_set(struct ucred *cred, struct fileglob *fg, char *buf,
-    size_t buflen)
-{
-	int error;
-
-	MAC_CHECK(file_check_set, cred, fg, buf, buflen);
-	return error;
-}
-
-int
-mac_file_check_lock(struct ucred *cred, struct fileglob *fg, int op,
-    struct flock *fl)
-{
-	int error;
-
-	MAC_CHECK(file_check_lock, cred, fg, NULL, op, fl);
-	return error;
-}
-
-int
-mac_file_check_library_validation(struct proc *proc,
-    struct fileglob *fg, off_t slice_offset,
-    user_long_t error_message, size_t error_message_size)
-{
-	int error;
-
-	MAC_CHECK(file_check_library_validation, proc, fg, slice_offset, error_message, error_message_size);
-	return error;
-}
-
-/*
- * On some platforms, VM_PROT_READ implies VM_PROT_EXECUTE. If that is true,
- * both prot and maxprot will have VM_PROT_EXECUTE set after file_check_mmap
- * if VM_PROT_READ is set.
- *
- * The type of maxprot in file_check_mmap must be equivalent to vm_prot_t *
- * (defined in <mach/vm_prot.h>). mac_policy.h does not include any header
- * files, so cannot use the typedef itself.
- */
-int
-mac_file_check_mmap(struct ucred *cred, struct fileglob *fg, int prot,
-    int flags, uint64_t offset, int *maxprot)
-{
-	int error;
-	int maxp;
-
-	maxp = *maxprot;
-	MAC_CHECK(file_check_mmap, cred, fg, NULL, prot, flags, offset, &maxp);
-	if ((maxp | *maxprot) != *maxprot) {
-		panic("file_check_mmap increased max protections");
-	}
-	*maxprot = maxp;
-	return error;
-}
-
-void
-mac_file_check_mmap_downgrade(struct ucred *cred, struct fileglob *fg,
-    int *prot)
-{
-	int result = *prot;
-
-	MAC_PERFORM(file_check_mmap_downgrade, cred, fg, NULL, &result);
-
-	*prot = result;
-}
-
-void
-mac_file_notify_close(struct ucred *cred, struct fileglob *fg)
-{
-	MAC_PERFORM(file_notify_close, cred, fg, NULL, ((fg->fg_flag & FWASWRITTEN) ? 1 : 0));
-}
-
-
-/*
- * fileglob XATTR helpers.
- */
-
-int
-mac_file_setxattr(struct fileglob *fg, const char *name, char *buf, size_t len)
-{
-	struct vnode *vp = NULL;
-
-	if (!fg || FILEGLOB_DTYPE(fg) != DTYPE_VNODE) {
-		return EFTYPE;
-	}
-
-	vp = (struct vnode *)fg_get_data(fg);
-	int error = vnode_getwithref(vp);
-	if (error) {
-		return error;
-	}
-	error = mac_vnop_setxattr(vp, name, buf, len);
-	vnode_put(vp);
-	return error;
-}
-
-int
-mac_file_getxattr(struct fileglob *fg, const char *name, char *buf, size_t len,
-    size_t *attrlen)
-{
-	struct vnode *vp = NULL;
-
-	if (!fg || FILEGLOB_DTYPE(fg) != DTYPE_VNODE) {
-		return EFTYPE;
-	}
-
-	vp = (struct vnode *)fg_get_data(fg);
-	int error = vnode_getwithref(vp);
-	if (error) {
-		return error;
-	}
-	error = mac_vnop_getxattr(vp, name, buf, len, attrlen);
-	vnode_put(vp);
-	return error;
-}
-
-int
-mac_file_removexattr(struct fileglob *fg, const char *name)
-{
-	struct vnode *vp = NULL;
-
-	if (!fg || FILEGLOB_DTYPE(fg) != DTYPE_VNODE) {
-		return EFTYPE;
-	}
-
-	vp = (struct vnode *)fg_get_data(fg);
-	int error = vnode_getwithref(vp);
-	if (error) {
-		return error;
-	}
-	error = mac_vnop_removexattr(vp, name);
-	vnode_put(vp);
-	return error;
-}