/* * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009 * The President and Fellows of Harvard College. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * ioctl */ #include <sys/types.h> #include <sys/ioctl.h> #include <unistd.h> #include <stdio.h> #include <errno.h> #include "config.h" #include "test.h" static void one_ioctl_badbuf(int fd, int code, const char *codename, void *ptr, const char *ptrdesc) { char desc[128]; int rv; snprintf(desc, sizeof(desc), "ioctl %s with %s", codename, ptrdesc); rv = ioctl(fd, code, ptr); report_test(rv, errno, EFAULT, desc); } static void any_ioctl_badbuf(int fd, int code, const char *codename) { one_ioctl_badbuf(fd, code, codename, NULL, "NULL pointer"); one_ioctl_badbuf(fd, code, codename, INVAL_PTR, "invalid pointer"); one_ioctl_badbuf(fd, code, codename, KERN_PTR, "kernel pointer"); } #define IOCTL(fd, sym) any_ioctl_badbuf(fd, sym, #sym) static void ioctl_badbuf(void) { /* * Since we don't actually define any ioctls, this code won't * actually run. But if you do define ioctls, turn these tests * on for those that actually use the data buffer argument for * anything. */ /* IOCTL(STDIN_FILENO, TIOCGETA); */ /* suppress gcc warning */ (void)any_ioctl_badbuf; } static void ioctl_badcode(void) { int rv; rv = ioctl(STDIN_FILENO, NONEXIST_IOCTL, NULL); report_test(rv, errno, EIOCTL, "invalid ioctl"); } void test_ioctl(void) { test_ioctl_fd(); /* Since we don't actually define any ioctls, this is not meaningful */ ioctl_badcode(); ioctl_badbuf(); }