X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..0b4c1975fb5e4eccf1012a35081f7e7799b81046:/osfmk/ipc/ipc_init.c

diff --git a/osfmk/ipc/ipc_init.c b/osfmk/ipc/ipc_init.c
index a32e5c24a..8e4773748 100644
--- a/osfmk/ipc/ipc_init.c
+++ b/osfmk/ipc/ipc_init.c
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 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.
+ */
 /*
  */
 /*
@@ -60,12 +73,22 @@
 #include <mach_debug.h>
 #include <mach_rt.h>
 
+#include <mach/port.h>
 #include <mach/kern_return.h>
+
+#include <kern/kern_types.h>
+#include <kern/kalloc.h>
 #include <kern/mach_param.h>
 #include <kern/ipc_host.h>
+#include <kern/ipc_mig.h>
+#include <kern/host_notify.h>
+#include <kern/mk_timer.h>
 #include <kern/misc_protos.h>
+#include <kern/sync_lock.h>
+#include <kern/sync_sema.h>
 #include <vm/vm_map.h>
 #include <vm/vm_kern.h>
+
 #include <ipc/ipc_entry.h>
 #include <ipc/ipc_space.h>
 #include <ipc/ipc_object.h>
@@ -75,7 +98,10 @@
 #include <ipc/ipc_kmsg.h>
 #include <ipc/ipc_hash.h>
 #include <ipc/ipc_init.h>
+#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;
@@ -85,12 +111,17 @@ 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 mig_init(void);
 extern void ikm_cache_init(void);
 
 /*
@@ -104,7 +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();
@@ -120,6 +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),
@@ -130,6 +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
@@ -144,6 +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),
@@ -152,6 +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_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 */
 
@@ -169,11 +227,11 @@ ipc_bootstrap(void)
 #endif
 	mig_init();
 	ipc_table_init();
-	ipc_notify_init();
 	ipc_hash_init();
-	ipc_kmsg_init();
 	semaphore_init();
 	lock_set_init();
+	mk_timer_init();
+	host_notify_init();
 }
 
 /* 
@@ -192,16 +250,17 @@ void
 ipc_init(void)
 {
 	kern_return_t retval;
-	vm_offset_t min, max;
-	extern vm_size_t kalloc_max_prerounded;
+	vm_offset_t min;
 
 	retval = kmem_suballoc(kernel_map, &min, ipc_kernel_map_size,
-			       TRUE, TRUE, &ipc_kernel_map);
+			       TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_map);
+
 	if (retval != KERN_SUCCESS)
 		panic("ipc_init: kmem_suballoc of ipc_kernel_map failed");
 
 	retval = kmem_suballoc(kernel_map, &min, ipc_kernel_copy_map_size,
-			       TRUE, TRUE, &ipc_kernel_copy_map);
+			       TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_copy_map);
+
 	if (retval != KERN_SUCCESS)
 		panic("ipc_init: kmem_suballoc of ipc_kernel_copy_map failed");