xnu-517.9.4.tar.gz

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

diff --git a/bsd/kern/posix_sem.c b/bsd/kern/posix_sem.c
index df10fbc316647ef13ebc18f28a74513c7b94ac79..e6ab89ff69ef3abfee6f860e43784a548005f8f3 100644 (file)
--- a/bsd/kern/posix_sem.c
+++ b/bsd/kern/posix_sem.c
@@ -1,24 +1,21 @@
 /*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * 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.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This 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.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -54,6 +51,9 @@
 #include <sys/tty.h>
 #include <sys/malloc.h>
 #include <sys/semaphore.h>
+
+#include <bsm/audit_kernel.h>
+
 #include <mach/mach_types.h>
 #include <mach/vm_prot.h>
 #include <mach/semaphore.h>
@@ -331,6 +331,9 @@ sem_open(p, uap, retval)
        kern_return_t kret = KERN_SUCCESS;
        int pinfo_alloc = 0;
 
+       AUDIT_ARG(fflags, uap->oflag);
+       AUDIT_ARG(mode, uap->mode);
+       AUDIT_ARG(value, uap->value);
        pinfo = PSEMINFO_NULL;
 
        MALLOC_ZONE(pnbuf, caddr_t,
@@ -341,6 +344,7 @@ sem_open(p, uap, retval)
        if (error) {
                goto bad;
        }
+       AUDIT_ARG(text, pnbuf);
        if (pathlen > PSEMNAMLEN) {
                error = ENAMETOOLONG;
                goto bad;
@@ -396,6 +400,8 @@ sem_open(p, uap, retval)
                if (pinfo->psem_flags & PSEM_INDELETE) {
                }
 #endif 
+               AUDIT_ARG(posix_ipc_perm, pinfo->psem_uid,
+                         pinfo->psem_gid, pinfo->psem_mode);
                error = EEXIST;
                goto bad1;
        }
@@ -434,6 +440,8 @@ sem_open(p, uap, retval)
                        error = ENOENT;
                        goto bad1;
                }       
+               AUDIT_ARG(posix_ipc_perm, pinfo->psem_uid,
+                         pinfo->psem_gid, pinfo->psem_mode);
                if (error = psem_access(pinfo, fmode, p->p_ucred, p))
                        goto bad1;
        }
@@ -560,6 +568,7 @@ sem_unlink(p, uap, retval)
        if (error) {
                goto bad;
        }
+       AUDIT_ARG(text, pnbuf);
        if (pathlen > PSEMNAMLEN) {
                error = ENAMETOOLONG;
                goto bad;
@@ -613,6 +622,9 @@ sem_unlink(p, uap, retval)
                error = 0;
                goto bad;
        }
+       AUDIT_ARG(posix_ipc_perm, pinfo->psem_uid, pinfo->psem_gid,
+                 pinfo->psem_mode);
+
        pinfo->psem_flags |= PSEM_INDELETE;
        pinfo->psem_usecount--;
 
@@ -645,7 +657,7 @@ sem_close(p, uap, retval)
        register struct file *fp;
        int error = 0;
 
-
+       AUDIT_ARG(fd, fd); /* XXX This seems wrong; uap->sem is a pointer */
        if ((u_int)fd >= fdp->fd_nfiles ||
                        (fp = fdp->fd_ofiles[fd]) == NULL ||
                        (fdp->fd_ofileflags[fd] & UF_RESERVED))