/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
* 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@
* 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) 2005-2006 SPARTA, Inc.
+ */
/*
*/
/*
#include <mach_rt.h>
+#include <mach/mach_types.h>
#include <mach/boolean.h>
#include <mach/kern_return.h>
#include <mach/port.h>
#include <mach/message.h>
+
+#include <kern/kern_types.h>
#include <kern/misc_protos.h>
+#include <kern/ipc_kobject.h>
+
+#include <ipc/ipc_types.h>
#include <ipc/port.h>
#include <ipc/ipc_space.h>
#include <ipc/ipc_entry.h>
#include <ipc/ipc_hash.h>
#include <ipc/ipc_right.h>
#include <ipc/ipc_notify.h>
+#include <ipc/ipc_port.h>
#include <ipc/ipc_pset.h>
+#include <ipc/ipc_labelh.h>
+
+#include <security/mac_mach_internal.h>
zone_t ipc_object_zones[IOT_NUMBER];
ipc_entry_t entry;
kern_return_t kr;
- int i;
-
-
kr = ipc_entry_alloc(space, namep, &entry);
if (kr != KERN_SUCCESS)
return kr;
ipc_entry_t entry;
kern_return_t kr;
- int i;
-
-
kr = ipc_entry_alloc_name(space, name, &entry);
if (kr != KERN_SUCCESS)
return kr;
ipc_port_t port = (ipc_port_t)object;
bzero((char *)port, sizeof(*port));
+#if CONFIG_MACF_MACH
+ mac_port_label_init(&port->ip_label);
+#endif
} else if (otype == IOT_PORT_SET) {
ipc_pset_t pset = (ipc_pset_t)object;
}
io_lock_init(object);
- *namep = (mach_port_name_t)object;
+ *namep = CAST_MACH_PORT_TO_NAME(object);
kr = ipc_entry_alloc(space, namep, &entry);
if (kr != KERN_SUCCESS) {
io_free(otype, object);
ipc_port_t port = (ipc_port_t)object;
bzero((char *)port, sizeof(*port));
+#if CONFIG_MACF_MACH
+ mac_port_label_init(&port->ip_label);
+#endif
} else if (otype == IOT_PORT_SET) {
ipc_pset_t pset = (ipc_pset_t)object;
ipc_port_t soright;
kern_return_t kr;
- int i;
-
/*
* Could first try a read lock when doing
* MACH_MSG_TYPE_COPY_SEND, MACH_MSG_TYPE_MAKE_SEND,
* Copyin a naked capability from the kernel.
*
* MACH_MSG_TYPE_MOVE_RECEIVE
- * The receiver must be ipc_space_kernel.
+ * The receiver must be ipc_space_kernel
+ * or the receive right must already be in limbo.
* Consumes the naked receive right.
* MACH_MSG_TYPE_COPY_SEND
* A naked send right must be supplied.
ip_lock(port);
assert(ip_active(port));
- assert(port->ip_receiver_name != MACH_PORT_NULL);
- assert(port->ip_receiver == ipc_space_kernel);
+ if (port->ip_destination != IP_NULL) {
+ assert(port->ip_receiver == ipc_space_kernel);
- /* relevant part of ipc_port_clear_receiver */
- ipc_port_set_mscount(port, 0);
+ /* relevant part of ipc_port_clear_receiver */
+ ipc_port_set_mscount(port, 0);
- port->ip_receiver_name = MACH_PORT_NULL;
- port->ip_destination = IP_NULL;
+ port->ip_receiver_name = MACH_PORT_NULL;
+ port->ip_destination = IP_NULL;
+ }
ip_unlock(port);
break;
}
break;
}
- case MACH_MSG_TYPE_MOVE_SEND:
+ case MACH_MSG_TYPE_MOVE_SEND: {
/* move naked send right into the message */
+ assert(((ipc_port_t)object)->ip_srights);
break;
+ }
case MACH_MSG_TYPE_MAKE_SEND_ONCE: {
ipc_port_t port = (ipc_port_t) object;
break;
}
- case MACH_MSG_TYPE_MOVE_SEND_ONCE:
+ case MACH_MSG_TYPE_MOVE_SEND_ONCE: {
/* move naked send-once right into the message */
+ assert(((ipc_port_t)object)->ip_sorights);
break;
+ }
default:
panic("ipc_object_copyin_from_kernel: strange rights");
}
}
+/*
+ * Routine: ipc_object_destroy_dest
+ * Purpose:
+ * Destroys a naked capability for the destination of
+ * of a message. Consumes a ref for the object.
+ *
+ * Conditions:
+ * Nothing locked.
+ */
+
+void
+ipc_object_destroy_dest(
+ ipc_object_t object,
+ mach_msg_type_name_t msgt_name)
+{
+ assert(IO_VALID(object));
+ assert(io_otype(object) == IOT_PORT);
+
+ switch (msgt_name) {
+ case MACH_MSG_TYPE_PORT_SEND:
+ ipc_port_release_send((ipc_port_t) object);
+ break;
+
+ case MACH_MSG_TYPE_PORT_SEND_ONCE:
+ if (io_active(object) &&
+ !ip_full_kernel((ipc_port_t) object))
+ ipc_notify_send_once((ipc_port_t) object);
+ else
+ ipc_port_release_sonce((ipc_port_t) object);
+ break;
+
+ default:
+ panic("ipc_object_destroy_dest: strange rights");
+ }
+}
+
/*
* Routine: ipc_object_copyout
* Purpose:
break;
}
- name = (mach_port_name_t)object;
+ name = CAST_MACH_PORT_TO_NAME(object);
kr = ipc_entry_get(space, &name, &entry);
if (kr != KERN_SUCCESS) {
/* unlocks/locks space, so must start again */
ipc_entry_t entry;
kern_return_t kr;
- int i;
-
assert(IO_VALID(object));
assert(io_otype(object) == IOT_PORT);
default:
panic("ipc_object_copyout_dest: strange rights");
+ name = MACH_PORT_DEAD;
}
*namep = name;
ipc_entry_t oentry, nentry;
kern_return_t kr;
- int i;
-
kr = ipc_entry_alloc_name(space, nname, &nentry);
if (kr != KERN_SUCCESS)
return kr;
return kr;
}
-#if MACH_ASSERT
+/*
+ * Get a label out of a port, to be used by a kernel call
+ * that takes a security label as a parameter. In this case, we want
+ * to use the label stored in the label handle and not the label on its
+ * port.
+ *
+ * The port should be locked for this call. The lock protecting
+ * label handle contents should not be necessary, as they can only
+ * be modified when a label handle with one reference is a task label.
+ * User allocated label handles can never be modified.
+ */
+#if CONFIG_MACF_MACH
+struct label *io_getlabel (ipc_object_t objp)
+{
+ ipc_port_t port = (ipc_port_t)objp;
+
+ assert(io_otype(objp) == IOT_PORT);
+
+ if (ip_kotype(port) == IKOT_LABELH)
+ return &((ipc_labelh_t) port->ip_kobject)->lh_label;
+ else
+ return &port->ip_label;
+}
+#endif
+
/*
* Check whether the object is a port if so, free it. But
* keep track of that fact.
if (otype == IOT_PORT) {
port = (ipc_port_t) object;
-#if MACH_ASSERT
- ipc_port_track_dealloc(port);
-#endif /* MACH_ASSERT */
+ ipc_port_finalize(port);
}
- zfree(ipc_object_zones[otype], (vm_offset_t) object);
+ io_lock_destroy(object);
+ zfree(ipc_object_zones[otype], object);
}
-#endif /* MACH_ASSERT */
#include <mach_kdb.h>
#if MACH_KDB
* Pretty-print an object for kdb.
*/
-char *ikot_print_array[IKOT_MAX_TYPE] = {
+const char *ikot_print_array[IKOT_MAX_TYPE] = {
"(NONE) ",
"(THREAD) ",
"(TASK) ",
"(IOKIT_CONNECT) ",
"(IOKIT_OBJECT) ", /* 30 */
"(UPL) ",
- /* << new entries here */
+ "(MEM_OBJ_CONTROL) ",
+ "(AU_SESSIONPORT) ", /* 33 */
+ "(FILEPORT)", /* 34 */
+#if CONFIG_MACF_MACH
+ "(LABELH) ",
+#endif
+/*
+ * Add new entries here.
+ * Please keep in sync with kern/ipc_kobject.h
+ */
"(UNKNOWN) " /* magic catchall */
};
-/* Please keep in sync with kern/ipc_kobject.h */
void
ipc_object_print(
projects / apple / xnu.git / blobdiff