regress/sys/net/bpf/interface/interface.c

   1 /*      $NetBSD: interface.c,v 1.1 2005/12/25 22:07:01 rpaulo Exp $     */
   2
   3 /*
   4  * Copyright (c) 2005 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Rui Paulo.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <errno.h>
  33 #include <string.h>
  34 #include <err.h>
  35 #include <fcntl.h>
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38
  39 #include <sys/types.h>
  40 #include <sys/time.h>
  41 #include <sys/ioctl.h>
  42
  43 #include <net/bpf.h>
  44 #include <net/if.h>
  45
  46 int
  47 main(int argc, char *argv[])
  48 {
  49         int fd,i ;
  50         u_int testint;
  51         struct bpf_dltlist testdlt;
  52         struct bpf_program testprog;
  53         struct bpf_stat teststat;
  54         struct bpf_version testversion;
  55         struct ifreq testif;
  56         struct timeval testtv;
  57
  58         struct ioctls_lists {
  59                 unsigned long req;
  60                 void *argumentp;
  61         } ioctls[] = {
  62                 { BIOCGBLEN, &testint },
  63                 { BIOCGDLT, &testint },
  64                 { BIOCGDLTLIST, &testdlt },
  65                 { BIOCFLUSH, NULL },
  66                 { BIOCPROMISC, NULL },
  67                 { BIOCGETIF, &testif },
  68                 { BIOCGRTIMEOUT, &testtv },
  69                 { BIOCGSTATS, &teststat },
  70                 { BIOCIMMEDIATE, &testint },
  71                 { BIOCSETF, &testprog },
  72                 { BIOCVERSION, &testversion },
  73                 { BIOCGHDRCMPLT, &testint },
  74                 { BIOCGSEESENT, &testint },
  75                 { -1, NULL }
  76         };
  77         int nfailed;
  78
  79         fd = open("/dev/bpf", O_RDWR, 0);
  80         if (fd < 0)
  81                 err(EXIT_FAILURE, "/dev/bpf");
  82
  83         strcpy(testif.ifr_name, "lo0");
  84         nfailed = 0;
  85
  86         /* set no filter or remove the filter */
  87         testprog.bf_len = 0;
  88         testprog.bf_insns = NULL;
  89
  90         if (ioctl(fd, BIOCSETIF, &testif) < 0)
  91                 err(EXIT_FAILURE, "lo0");
  92
  93         for (i = 0; ioctls[i].req != -1; i++)
  94                 if (ioctl(fd, ioctls[i].req, ioctls[i].argumentp) < 0) {
  95                         fprintf(stderr, "0x%lx:\tFAILED (%s)\n",
  96                             ioctls[i].req, strerror(errno));
  97                         switch (ioctls[i].req) {
  98                         case BIOCGDLTLIST:
  99                         case BIOCPROMISC:
 100                                 /* both should fail on lo0 */
 101                                 break;
 102                         default:
 103                                 nfailed++;
 104                         }
 105                 } else
 106                         printf("0x%lx:\tOK\n", ioctls[i].req);
 107
 108         return nfailed;
 109 }