/* $NetBSD: interface.c,v 1.2 2008/04/28 20:23:07 martin Exp $ */ /* * Copyright (c) 2005 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Rui Paulo. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include <errno.h> #include <string.h> #include <err.h> #include <fcntl.h> #include <stdlib.h> #include <stdio.h> #include <sys/types.h> #include <sys/time.h> #include <sys/ioctl.h> #include <net/bpf.h> #include <net/if.h> int main(int argc, char *argv[]) { int fd,i ; u_int testint; struct bpf_dltlist testdlt; struct bpf_program testprog; struct bpf_stat teststat; struct bpf_version testversion; struct ifreq testif; struct timeval testtv; struct ioctls_lists { unsigned long req; void *argumentp; } ioctls[] = { { BIOCGBLEN, &testint }, { BIOCGDLT, &testint }, { BIOCGDLTLIST, &testdlt }, { BIOCFLUSH, NULL }, { BIOCPROMISC, NULL }, { BIOCGETIF, &testif }, { BIOCGRTIMEOUT, &testtv }, { BIOCGSTATS, &teststat }, { BIOCIMMEDIATE, &testint }, { BIOCSETF, &testprog }, { BIOCVERSION, &testversion }, { BIOCGHDRCMPLT, &testint }, { BIOCGSEESENT, &testint }, { -1, NULL } }; int nfailed; fd = open("/dev/bpf", O_RDWR, 0); if (fd < 0) err(EXIT_FAILURE, "/dev/bpf"); strcpy(testif.ifr_name, "lo0"); nfailed = 0; /* set no filter or remove the filter */ testprog.bf_len = 0; testprog.bf_insns = NULL; if (ioctl(fd, BIOCSETIF, &testif) < 0) err(EXIT_FAILURE, "lo0"); for (i = 0; ioctls[i].req != -1; i++) if (ioctl(fd, ioctls[i].req, ioctls[i].argumentp) < 0) { fprintf(stderr, "0x%lx:\tFAILED (%s)\n", ioctls[i].req, strerror(errno)); switch (ioctls[i].req) { case BIOCGDLTLIST: case BIOCPROMISC: /* both should fail on lo0 */ break; default: nfailed++; } } else printf("0x%lx:\tOK\n", ioctls[i].req); return nfailed; }