/*
* Copyright (c) 2020 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
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#undef _task_user_
#include <TargetConditionals.h>
#include <stdbool.h>
#include <mach/kern_return.h>
#include <mach/mach_param.h>
#include <mach/mach_port.h>
#include <mach/message.h>
#include <mach/mig_errors.h>
#include <mach/task_internal.h>
#include <mach/vm_map.h>
extern mach_port_t mach_task_self_;
boolean_t
mach_task_is_self(task_name_t task)
{
boolean_t is_self;
kern_return_t kr;
if (task == mach_task_self_) {
return TRUE;
}
kr = _kernelrpc_mach_task_is_self(task, &is_self);
return kr == KERN_SUCCESS && is_self;
}
kern_return_t
mach_ports_register(
task_t target_task,
mach_port_array_t init_port_set,
mach_msg_type_number_t init_port_setCnt)
{
mach_port_t array[TASK_PORT_REGISTER_MAX] = { };
kern_return_t kr;
if (init_port_setCnt > TASK_PORT_REGISTER_MAX) {
return KERN_INVALID_ARGUMENT;
}
for (mach_msg_type_number_t i = 0; i < init_port_setCnt; i++) {
array[i] = init_port_set[i];
}
kr = _kernelrpc_mach_ports_register3(target_task, array[0], array[1], array[2]);
return kr;
}
kern_return_t
mach_ports_lookup(
task_t target_task,
mach_port_array_t *init_port_set,
mach_msg_type_number_t *init_port_setCnt)
{
vm_size_t size = TASK_PORT_REGISTER_MAX * sizeof(mach_port_t);
mach_port_array_t array;
vm_address_t addr = 0;
kern_return_t kr;
kr = vm_allocate(target_task, &addr, size, VM_FLAGS_ANYWHERE);
array = (mach_port_array_t)addr;
if (kr != KERN_SUCCESS) {
return kr;
}
kr = _kernelrpc_mach_ports_lookup3(target_task,
&array[0], &array[1], &array[2]);
if (kr != KERN_SUCCESS) {
vm_deallocate(target_task, addr, size);
return kr;
}
*init_port_set = array;
*init_port_setCnt = TASK_PORT_REGISTER_MAX;
return KERN_SUCCESS;
}