b5139de154
1) make sure Mach servers will not work on data beyond the end of the request message buffer. 2) make sure that on copying out the reply message buffer, we will not leak kernel data located after the buffer. 3) make sure that the server will not overwrite memory beyond the end of the reply message buffer. That check is the responsability of the server, there is just a DIAGNOSTIC test to check everything is in good shape. All currently implemented servers in NetBSD have been modified to check for this condition While we are here, build the mach services table (formerly in mach_namemap.c) and the services prototypes automatically from mach_services.master, just as this is done for system calls. The next step would be to fold the message formats in the mach_services.master file, but this tends to be difficult, as some messages are quite long and complex.
164 lines
4.9 KiB
C
164 lines
4.9 KiB
C
/* $NetBSD: mach_host.h,v 1.12 2003/11/13 13:40:39 manu Exp $ */
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/*-
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* Copyright (c) 2002-2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MACH_HOST_H_
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#define _MACH_HOST_H_
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/signal.h>
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#include <sys/proc.h>
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#include <compat/mach/mach_types.h>
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#include <compat/mach/mach_message.h>
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/* host_info */
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typedef mach_integer_t mach_host_flavor_t;
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typedef struct {
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mach_msg_header_t req_msgh;
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mach_ndr_record_t req_ndr;
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mach_host_flavor_t req_flavor;
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mach_msg_type_number_t req_count;
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} mach_host_info_request_t;
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typedef struct {
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mach_msg_header_t rep_msgh;
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mach_ndr_record_t rep_ndr;
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mach_kern_return_t rep_retval;
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mach_msg_type_number_t rep_count;
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mach_integer_t rep_data[12];
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mach_msg_trailer_t rep_trailer;
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} mach_host_info_reply_t;
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typedef struct {
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mach_msg_header_t rep_msgh;
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mach_ndr_record_t rep_ndr;
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mach_kern_return_t rep_retval;
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mach_msg_type_number_t rep_count;
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mach_msg_trailer_t rep_trailer;
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} mach_host_info_reply_simple_t;
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#define MACH_HOST_BASIC_INFO 1
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#define MACH_HOST_SCHED_INFO 3
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#define MACH_HOST_RESOURCE_SIZES 4
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#define MACH_HOST_PRIORITY_INFO 5
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#define MACH_HOST_SEMAPHORE_TRAPS 7
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#define MACH_HOST_MACH_MSG_TRAP 8
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struct mach_host_basic_info {
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mach_integer_t max_cpus;
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mach_integer_t avail_cpus;
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mach_vm_size_t memory_size;
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mach_cpu_type_t cpu_type;
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mach_cpu_subtype_t cpu_subtype;
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};
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struct mach_host_sched_info {
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mach_integer_t min_timeout;
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mach_integer_t min_quantum;
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};
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struct mach_kernel_resource_sizes {
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mach_vm_size_t task;
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mach_vm_size_t thread;
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mach_vm_size_t port;
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mach_vm_size_t memory_region;
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mach_vm_size_t memory_object;
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};
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struct mach_host_priority_info {
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mach_integer_t kernel_priority;
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mach_integer_t system_priority;
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mach_integer_t server_priority;
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mach_integer_t user_priority;
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mach_integer_t depress_priority;
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mach_integer_t idle_priority;
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mach_integer_t minimum_priority;
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mach_integer_t maximum_priority;
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};
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/* host_page_size */
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typedef struct {
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mach_msg_header_t req_msgh;
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} mach_host_page_size_request_t;
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typedef struct {
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mach_msg_header_t rep_msgh;
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mach_ndr_record_t rep_ndr;
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mach_kern_return_t rep_retval;
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mach_vm_size_t rep_page_size;
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mach_msg_trailer_t rep_trailer;
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} mach_host_page_size_reply_t;
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/* host_get_clock_service */
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typedef struct {
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mach_msg_header_t req_msgh;
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mach_ndr_record_t req_ndr;
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mach_clock_id_t req_clock_id;
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} mach_host_get_clock_service_request_t;
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typedef struct {
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mach_msg_header_t rep_msgh;
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mach_msg_body_t rep_body;
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mach_msg_port_descriptor_t rep_clock_serv;
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mach_msg_trailer_t rep_trailer;
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} mach_host_get_clock_service_reply_t;
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/* mach_host_get_io_master */
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typedef struct {
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mach_msg_header_t req_msgh;
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} mach_host_get_io_master_request_t;
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typedef struct {
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mach_msg_header_t rep_msgh;
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mach_msg_body_t rep_body;
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mach_msg_port_descriptor_t rep_iomaster;
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mach_msg_trailer_t rep_trailer;
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} mach_host_get_io_master_reply_t;
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/* Theses are machine dependent functions */
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void mach_host_basic_info(struct mach_host_basic_info *);
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void mach_host_priority_info(struct mach_host_priority_info *);
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#endif /* _MACH_HOST_H_ */
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