X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..22ba694c5857e62b5a553b1505dcf2e509177f28:/bsd/sys/ucred.h

diff --git a/bsd/sys/ucred.h b/bsd/sys/ucred.h
index ba43564eb..7dcd85e18 100644
--- a/bsd/sys/ucred.h
+++ b/bsd/sys/ucred.h
@@ -1,31 +1,29 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, 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, 1997 Apple Computer, Inc. All Rights Reserved */
 /*
@@ -62,6 +60,12 @@
  *
  *	@(#)ucred.h	8.4 (Berkeley) 1/9/95
  */
+/*
+ * 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.
+ */
 
 #ifndef _SYS_UCRED_H_
 #define	_SYS_UCRED_H_
@@ -71,19 +75,26 @@
 #include <sys/param.h>
 #include <bsm/audit.h>
 
+struct label;
+
 #ifdef __APPLE_API_UNSTABLE
+#include <sys/queue.h>
 
 /*
  * In-kernel credential structure.
  *
  * Note that this structure should not be used outside the kernel, nor should
- * it or copies of it be exported outside.  
+ * it or copies of it be exported outside.
  */
 struct ucred {
 	TAILQ_ENTRY(ucred)	cr_link; /* never modify this without KAUTH_CRED_HASH_LOCK */
 	u_long	cr_ref;			/* reference count */
 	
-	/* credential hash depends on everything from this point on (see kauth_cred_get_hashkey) */
+struct posix_cred {
+	/*
+	 * The credential hash depends on everything from this point on
+	 * (see kauth_cred_get_hashkey)
+	 */
 	uid_t	cr_uid;			/* effective user id */
 	uid_t	cr_ruid;		/* real user id */
 	uid_t	cr_svuid;		/* saved user id */
@@ -91,10 +102,29 @@ struct ucred {
 	gid_t	cr_groups[NGROUPS];	/* advisory group list */
 	gid_t	cr_rgid;		/* real group id */
 	gid_t	cr_svgid;		/* saved group id */
-	uid_t	cr_gmuid;		/* user id for group membership purposes */
-	struct auditinfo cr_au;		/* user auditing data */
+	uid_t	cr_gmuid;		/* UID for group membership purposes */
+	int	cr_flags;		/* flags on credential */
+} cr_posix;
+	struct label	*cr_label;	/* MAC label */
+	/* 
+	 * NOTE: If anything else (besides the flags)
+	 * added after the label, you must change
+	 * kauth_cred_find().
+	 */
+	struct au_session cr_audit;		/* user auditing data */
 };
+#ifndef _KAUTH_CRED_T
+#define	_KAUTH_CRED_T
 typedef struct ucred *kauth_cred_t;
+typedef struct posix_cred *posix_cred_t;
+#endif	/* !_KAUTH_CRED_T */
+
+/*
+ * Credential flags that can be set on a credential
+ */
+#define CRF_NOMEMBERD	0x00000001	/* memberd opt out by setgroups() */
+#define CRF_MAC_ENFORCE 0x00000002	/* force entry through MAC Framework */
+                                  	/* also forces credential cache miss */
 
 /*
  * This is the external representation of struct ucred.
@@ -111,6 +141,8 @@ struct xucred {
 #define NOCRED ((kauth_cred_t )0)	/* no credential available */
 #define FSCRED ((kauth_cred_t )-1)	/* filesystem credential */
 
+#define IS_VALID_CRED(_cr)	((_cr) != NOCRED && (_cr) != FSCRED)
+
 #ifdef KERNEL
 #ifdef __APPLE_API_OBSOLETE
 __BEGIN_DECLS