xnu-792.22.5.tar.gz

[apple/xnu.git] / bsd / kern / uipc_syscalls.c

diff --git a/bsd/kern/uipc_syscalls.c b/bsd/kern/uipc_syscalls.c
index 90acc733f811e1ae7cefc2f0df8fb25808193647..caed4ee613f9818fff7ec22a8adc51783fcbf411 100644 (file)
--- a/bsd/kern/uipc_syscalls.c
+++ b/bsd/kern/uipc_syscalls.c
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This file contains Original Code and/or Modifications of Original Code 
- * as defined in and that are subject to the Apple Public Source License 
- * Version 2.0 (the 'License'). You may not use this file except in 
- * compliance with the License.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
- *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
- *
- * The Original Code and all software distributed under the License are 
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1982, 1986, 1989, 1990, 1993
@@ -1778,6 +1776,7 @@ sendfile(struct proc *p, struct sendfile_args *uap)
        struct sf_hdtr hdtr;
        off_t off, xfsize, sbytes = 0;
        int error = 0, s;
+       kauth_cred_t safecred;
 
        if (sf_bufs == NULL) {
                /* Fail if initialization failed */
@@ -1932,8 +1931,10 @@ retry_lookup:
                        auio.uio_segflg = UIO_NOCOPY;
                        auio.uio_rw = UIO_READ;
                        uio_setresid(&auio, MAXBSIZE);
+                       safecred = kauth_cred_proc_ref(p);
                        error = VOP_READ(vp, &auio, IO_VMIO | ((MAXBSIZE / bsize) << 16),
-                               p->p_ucred);
+                               safecred);
+                       kauth_cred_unref(&safecred);
                        vm_page_flag_clear(pg, PG_ZERO);
                        vm_page_io_finish(pg);
                        if (error) {