xnu-792.12.6.tar.gz

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

diff --git a/bsd/kern/sysv_ipc.c b/bsd/kern/sysv_ipc.c
index 9b63e4fa1a63fc873391fd61fb6b1c3baad118a5..c3615911d6e9b32b0489a27beb6ca1fb0c46d91e 100644 (file)
--- a/bsd/kern/sysv_ipc.c
+++ b/bsd/kern/sysv_ipc.c
@@ -1,26 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
+ * 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
+ *
+ * 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_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  */
 /*     $NetBSD: sysv_ipc.c,v 1.7 1994/06/29 06:33:11 cgd Exp $ */
 
@@ -58,6 +63,7 @@
 #include <sys/param.h>
 #include <sys/ipc.h>
 #include <sys/ucred.h>
+#include <sys/kauth.h>
 
 
 /*
@@ -68,23 +74,22 @@
  */
 
 int
-ipcperm(cred, perm, mode)
-       struct ucred *cred;
-       struct ipc_perm *perm;
-       int mode;
+ipcperm(kauth_cred_t cred, struct ipc_perm *perm, int mode)
 {
 
        if (!suser(cred, (u_short *)NULL))
                return (0);
 
        /* Check for user match. */
-       if (cred->cr_uid != perm->cuid && cred->cr_uid != perm->uid) {
+       if (kauth_cred_getuid(cred) != perm->cuid && kauth_cred_getuid(cred) != perm->uid) {
+               int is_member;
+
                if (mode & IPC_M)
                        return (EPERM);
                /* Check for group match. */
                mode >>= 3;
-               if (!groupmember(perm->gid, cred) &&
-                   !groupmember(perm->cgid, cred))
+               if ((kauth_cred_ismember_gid(cred, perm->gid, &is_member) || !is_member) &&
+                   (kauth_cred_ismember_gid(cred, perm->cgid, &is_member) || !is_member))
                        /* Check for `other' match. */
                        mode >>= 3;
        }
@@ -93,70 +98,3 @@ ipcperm(cred, perm, mode)
                return (0);
        return ((mode & perm->mode) == mode ? 0 : EACCES);
 }
-
-
-
-/*
- * SYSVMSG stubs
- */
-
-int
-msgsys(p, uap)
-       struct proc *p;
-       /* XXX actually varargs. */
-#if 0
-       struct msgsys_args *uap;
-#else
-       void *uap;
-#endif
-{
-       return(EOPNOTSUPP);
-};
-
-int
-msgctl(p, uap)
-       struct proc *p;
-#if 0
-       register struct msgctl_args *uap;
-#else
-       void *uap;
-#endif
-{
-       return(EOPNOTSUPP);
-};
-
-int
-msgget(p, uap)
-       struct proc *p;
-#if 0
-       register struct msgget_args *uap;
-#else
-       void *uap;
-#endif
-{
-       return(EOPNOTSUPP);
-};
-
-int
-msgsnd(p, uap)
-       struct proc *p;
-#if 0
-       register struct msgsnd_args *uap;
-#else
-       void *uap;
-#endif
-{
-       return(EOPNOTSUPP);
-};
-
-int
-msgrcv(p, uap)
-       struct proc *p;
-#if 0
-       register struct msgrcv_args *uap;
-#else
-       void *uap;
-#endif
-{
-       return(EOPNOTSUPP);
-};