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 e71f23331f298cbf3ca8e124aef1e3f5b4b75fca..caed4ee613f9818fff7ec22a8adc51783fcbf411 100644 (file)
--- a/bsd/kern/uipc_syscalls.c
+++ b/bsd/kern/uipc_syscalls.c
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1982, 1986, 1989, 1990, 1993
@@ -1771,6 +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 */
@@ -1925,8 +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) {