C++ (Cpp) mach_port_guardの例

コード例 #1

ファイル: guarded_test.c プロジェクト: TalAloni/xnu

void guard_mach_port()
{
	mach_port_t port;
	mach_port_options_t options;
	mach_port_context_t gval = CONTEXT_VALUE1;
	int kret;

	printf("Testing guarding a non-guarded mach port: ");
	kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	
	kret = mach_port_guard(mach_task_self(), port, gval, 0);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;
	
	printf("Testing guarding a guarded mach port: ");
	kret = mach_port_guard(mach_task_self(), port, CONTEXT_VALUE2, 0);
	if (kret != KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;
	
	return;

failed:
	printf("[FAILED]\n");
	exit(1);
	
}

コード例 #2

ファイル: mach_kernelrpc.c プロジェクト: wzw19890321/xnu-1

int
_kernelrpc_mach_port_guard_trap(struct _kernelrpc_mach_port_guard_args *args)
{
	task_t task = port_name_to_task(args->target);
	int rv = MACH_SEND_INVALID_DEST;

	if (task != current_task())
		goto done;

	rv = mach_port_guard(task->itk_space, args->name, args->guard, args->strict);
	
done:
	if (task)
		task_deallocate(task);
	return (rv);
}

コード例 #3

ファイル: guarded_test.c プロジェクト: TalAloni/xnu

void guard_port_with_context()
{
	mach_port_t port;
	mach_port_options_t options;
	mach_port_context_t gval = CONTEXT_VALUE1;
	int kret;

	printf("Testing mach_port_guard() for a port with context: ");
	kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
		
	kret = mach_port_set_context(mach_task_self(), port, gval);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_guard(mach_task_self(), port, gval, 0);
	if (kret != KERN_SUCCESS)
		printf("[PASSED]\n");
	else {
		printf("[FAILED]\n");
		exit(1);
	}
	return;
}

コード例 #4

ファイル: guarded_test.c プロジェクト: TalAloni/xnu

void get_context_mach_port()
{
	mach_port_t port;
	mach_port_options_t options;
	mach_port_context_t gval = CONTEXT_VALUE1;
	mach_port_context_t g;
	int kret;
	
	options.flags = (MPO_CONTEXT_AS_GUARD);

	printf("Testing get_context() for non-strict guarded port: ");

	kret = mach_port_construct(mach_task_self(), &options, gval, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != gval)
		goto failed;
	else
		printf("[PASSED]\n");
	
	printf("Testing get_context() for strict guarded port: ");
	options.flags = (MPO_CONTEXT_AS_GUARD|MPO_STRICT);

	kret = mach_port_construct(mach_task_self(), &options, gval, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != 0)
		goto failed;
	else
		printf("[PASSED]\n");
	
	printf("Testing get_context() for strict guard port (guarded using mach_port_guard): ");
	kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_guard(mach_task_self(), port, gval, 1);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != 0)
		goto failed;
	else
		printf("[PASSED]\n");

	printf("Testing get_context() for non-guarded port with context: ");
	kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_set_context(mach_task_self(), port, gval);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != gval)
		goto failed;
	else
		printf("[PASSED]\n");

	return;
	

failed:
	printf("[FAILED]\n");
	exit(1);
}