xnu-1504.9.17.tar.gz

[apple/xnu.git] / osfmk / ipc / ipc_init.c

diff --git a/osfmk/ipc/ipc_init.c b/osfmk/ipc/ipc_init.c
index 47c0ffc0084e2734c20a872326ff5a4745390d47..8e4773748bc005102d7b1b3cb54469013d0edee5 100644 (file)
--- a/osfmk/ipc/ipc_init.c
+++ b/osfmk/ipc/ipc_init.c
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -47,6 +53,13 @@
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
+/*
+ * NOTICE: This file was modified by McAfee Research in 2004 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.
+ * Copyright (c) 2005 SPARTA, Inc.
+ */
 /*
  */
 /*
@@ -88,6 +101,7 @@
 #include <ipc/ipc_table.h>
 
 #include <mach/machine/ndr_def.h>   /* NDR_record */
+#include <ipc/ipc_labelh.h>
 
 vm_map_t ipc_kernel_map;
 vm_size_t ipc_kernel_map_size = 1024 * 1024;
@@ -97,10 +111,16 @@ vm_map_t ipc_kernel_copy_map;
 vm_size_t ipc_kernel_copy_map_size = IPC_KERNEL_COPY_MAP_SIZE;
 vm_size_t ipc_kmsg_max_vm_space = (IPC_KERNEL_COPY_MAP_SIZE * 7)/8;
 
-int ipc_space_max = SPACE_MAX;
-int ipc_tree_entry_max = ITE_MAX;
-int ipc_port_max = PORT_MAX;
-int ipc_pset_max = SET_MAX;
+int ipc_space_max;
+int ipc_tree_entry_max;
+int ipc_port_max;
+int ipc_pset_max;
+
+
+lck_grp_t              ipc_lck_grp;
+lck_attr_t             ipc_lck_attr;
+
+static lck_grp_attr_t  ipc_lck_grp_attr;
 
 extern void ikm_cache_init(void);
 
@@ -115,7 +135,11 @@ void
 ipc_bootstrap(void)
 {
        kern_return_t kr;
-
+       
+       lck_grp_attr_setdefault(&ipc_lck_grp_attr);
+       lck_grp_init(&ipc_lck_grp, "ipc", &ipc_lck_grp_attr);
+       lck_attr_setdefault(&ipc_lck_attr);
+       
        ipc_port_multiple_lock_init();
 
        ipc_port_timestamp_lock_init();
@@ -131,6 +155,7 @@ ipc_bootstrap(void)
        /* make it exhaustible */
        zone_change(ipc_space_zone, Z_EXHAUST, TRUE);
 #endif
+       zone_change(ipc_space_zone, Z_NOENCRYPT, TRUE);
 
        ipc_tree_entry_zone =
                zinit(sizeof(struct ipc_tree_entry),
@@ -141,6 +166,7 @@ ipc_bootstrap(void)
        /* make it exhaustible */
        zone_change(ipc_tree_entry_zone, Z_EXHAUST, TRUE);
 #endif
+       zone_change(ipc_tree_entry_zone, Z_NOENCRYPT, TRUE);
 
        /*
         * populate all port(set) zones
@@ -155,6 +181,7 @@ ipc_bootstrap(void)
         * XXX  panics when port allocation for an internal object fails.
         *zone_change(ipc_object_zones[IOT_PORT], Z_EXHAUST, TRUE);
         */
+       zone_change(ipc_object_zones[IOT_PORT], Z_NOENCRYPT, TRUE);
 
        ipc_object_zones[IOT_PORT_SET] =
                zinit(sizeof(struct ipc_pset),
@@ -163,16 +190,26 @@ ipc_bootstrap(void)
                      "ipc port sets");
        /* make it exhaustible */
        zone_change(ipc_object_zones[IOT_PORT_SET], Z_EXHAUST, TRUE);
+       zone_change(ipc_object_zones[IOT_PORT_SET], Z_NOENCRYPT, TRUE);
 
        /*
         * Create the basic ipc_kmsg_t zone (the one we also cache)
         * elements at the processor-level to avoid the locking.
         */
        ipc_kmsg_zone = zinit(IKM_SAVED_KMSG_SIZE,
-                             ipc_port_max * MACH_PORT_QLIMIT_MAX *
+                             ipc_port_max * MACH_PORT_QLIMIT_DEFAULT *
                              IKM_SAVED_KMSG_SIZE,
                              IKM_SAVED_KMSG_SIZE,
                              "ipc kmsgs");
+       zone_change(ipc_kmsg_zone, Z_NOENCRYPT, TRUE);
+
+#if CONFIG_MACF_MACH
+       ipc_labelh_zone = 
+               zinit(sizeof(struct ipc_labelh),
+                     ipc_port_max * sizeof(struct ipc_labelh),
+                     sizeof(struct ipc_labelh),
+                     "label handles");
+#endif
 
        /* create special spaces */