xnu-1228.0.2.tar.gz

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

diff --git a/bsd/kern/kern_xxx.c b/bsd/kern/kern_xxx.c
index fd916dbf4e3c0ba421f35c63d2bdf893de79e171..7884fbd3cf5f40a52364d0fc199ce5e28cdc46a1 100644 (file)
--- a/bsd/kern/kern_xxx.c
+++ b/bsd/kern/kern_xxx.c
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_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.  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 
+ * 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
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
@@ -62,6 +60,12 @@
  *
  *     @(#)kern_xxx.c  8.2 (Berkeley) 11/14/93
  */
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
 
 #include <cputypes.h> 
 
@@ -79,28 +83,42 @@
 
 #include <sys/mount_internal.h>
 #include <sys/sysproto.h>
+#if CONFIG_MACF
+#include <security/mac_framework.h>
+#endif
 
 int
 reboot(struct proc *p, register struct reboot_args *uap, __unused register_t *retval)
 {
        char command[64];
-       int error;
+       int error=0;
        int dummy=0;
+#if CONFIG_MACF
+       kauth_cred_t my_cred;
+#endif
 
        AUDIT_ARG(cmd, uap->opt);
 
        command[0] = '\0';
 
+#ifndef CONFIG_EMBEDDED
        if ((error = suser(kauth_cred_get(), &p->p_acflag)))
                return(error);  
+#endif 
        
        if (uap->opt & RB_COMMAND)
                error = copyinstr(uap->command,
                                        (void *)command, sizeof(command), (size_t *)&dummy);
+#if CONFIG_MACF
+       if (error)
+               return (error);
+       my_cred = kauth_cred_proc_ref(p);
+       error = mac_system_check_reboot(my_cred, uap->opt);
+       kauth_cred_unref(&my_cred);
+#endif
        if (!error) {
-               SET(p->p_flag, P_REBOOT);       /* No more signals for this proc */
+               OSBitOrAtomic(P_REBOOT, (UInt32 *)&p->p_flag);  /* No more signals for this proc */
                boot(RB_BOOT, uap->opt, command);
        }
        return(error);
 }
-