--- /dev/null
+/*
+ * Copyright (c) 2007 Apple Inc. All rights reserved.
+ *
+ * @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
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*-
+ * Copyright (c) 2003-2005 Networks Associates Technology, Inc.
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project in part by Network
+ * Associates Laboratories, the Security Research Division of Network
+ * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
+ * as part of the DARPA CHATS research program.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/sbuf.h>
+#include <sys/systm.h>
+#include <sys/vnode.h>
+#include <sys/mount.h>
+#include <sys/file.h>
+#include <sys/namei.h>
+#include <sys/sysctl.h>
+#include <sys/msg.h>
+
+#include <security/mac_internal.h>
+
+static struct label *
+mac_sysv_msgmsg_label_alloc(void)
+{
+ struct label *label;
+
+ label = mac_labelzone_alloc(MAC_WAITOK);
+ if (label == NULL)
+ return (NULL);
+ MAC_PERFORM(sysvmsg_label_init, label);
+ return (label);
+}
+
+void
+mac_sysvmsg_label_init(struct msg *msgptr)
+{
+
+ msgptr->label = mac_sysv_msgmsg_label_alloc();
+}
+
+static struct label *
+mac_sysv_msgqueue_label_alloc(void)
+{
+ struct label *label;
+
+ label = mac_labelzone_alloc(MAC_WAITOK);
+ if (label == NULL)
+ return (NULL);
+ MAC_PERFORM(sysvmsq_label_init, label);
+ return (label);
+}
+
+void
+mac_sysvmsq_label_init(struct msqid_kernel *msqptr)
+{
+
+ msqptr->label = mac_sysv_msgqueue_label_alloc();
+}
+
+void
+mac_sysvmsg_label_associate(kauth_cred_t cred, struct msqid_kernel *msqptr,
+ struct msg *msgptr)
+{
+
+ MAC_PERFORM(sysvmsg_label_associate, cred, msqptr, msqptr->label,
+ msgptr, msgptr->label);
+}
+
+void
+mac_sysvmsq_label_associate(kauth_cred_t cred, struct msqid_kernel *msqptr)
+{
+
+ MAC_PERFORM(sysvmsq_label_associate, cred, msqptr, msqptr->label);
+}
+
+void
+mac_sysvmsg_label_recycle(struct msg *msgptr)
+{
+
+ MAC_PERFORM(sysvmsg_label_recycle, msgptr->label);
+}
+
+void
+mac_sysvmsq_label_recycle(struct msqid_kernel *msqptr)
+{
+
+ MAC_PERFORM(sysvmsq_label_recycle, msqptr->label);
+}
+
+int
+mac_sysvmsq_check_enqueue(kauth_cred_t cred, struct msg *msgptr,
+ struct msqid_kernel *msqptr)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_enqueue, cred, msgptr, msgptr->label, msqptr,
+ msqptr->label);
+
+ return(error);
+}
+
+int
+mac_sysvmsq_check_msgrcv(kauth_cred_t cred, struct msg *msgptr)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_msgrcv, cred, msgptr, msgptr->label);
+
+ return(error);
+}
+
+int
+mac_sysvmsq_check_msgrmid(kauth_cred_t cred, struct msg *msgptr)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_msgrmid, cred, msgptr, msgptr->label);
+
+ return(error);
+}
+
+int
+mac_sysvmsq_check_msqget(kauth_cred_t cred, struct msqid_kernel *msqptr)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_msqget, cred, msqptr, msqptr->label);
+
+ return(error);
+}
+
+int
+mac_sysvmsq_check_msqsnd(kauth_cred_t cred, struct msqid_kernel *msqptr)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_msqsnd, cred, msqptr, msqptr->label);
+
+ return(error);
+}
+
+int
+mac_sysvmsq_check_msqrcv(kauth_cred_t cred, struct msqid_kernel *msqptr)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_msqrcv, cred, msqptr, msqptr->label);
+
+ return(error);
+}
+
+int
+mac_sysvmsq_check_msqctl(kauth_cred_t cred, struct msqid_kernel *msqptr,
+ int cmd)
+{
+ int error;
+
+ if (!mac_sysvmsg_enforce)
+ return (0);
+
+ MAC_CHECK(sysvmsq_check_msqctl, cred, msqptr, msqptr->label, cmd);
+
+ return(error);
+}
projects / apple / xnu.git / blobdiff