The Tcpdump Group git mirrors - libpcap/blob - ChmodBPF/ChmodBPF

   1 #! /bin/sh
   2
   3 . /etc/rc.common
   4
   5 StartService ()
   6 {
   7         #
   8         # Unfortunately, Mac OS X's devfs is based on the old FreeBSD
   9         # one, not the current one, so there's no way to configure it
  10         # to create BPF devices with particular owners or groups.
  11         # This startup item will make it owned by the admin group,
  12         # with permissions rw-rw----, so that anybody in the admin
  13         # group can use programs that capture or send raw packets.
  14         #
  15         # Change this as appropriate for your site, e.g. to make
  16         # it owned by a particular user without changing the permissions,
  17         # so only that user and the super-user can capture or send raw
  18         # packets, or give it the permissions rw-r-----, so that
  19         # only the super-user can send raw packets but anybody in the
  20         # admin group can capture packets.
  21         #
  22         chgrp admin /dev/bpf*
  23         chmod g+rw /dev/bpf*
  24 }
  25
  26 StopService ()
  27 {
  28         return 0;
  29 }
  30
  31 RestartService () { StartService; }
  32
  33 RunService "$1"