etc/periodic/security/110.neggrpperm

   1 #!/bin/sh -
   2 #
   3 # Copyright (c) 2001  The FreeBSD Project
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25 # SUCH DAMAGE.
  26 #
  27 # $FreeBSD: head/etc/periodic/security/110.neggrpperm 322868 2017-08-25 00:28:56Z asomers $
  28 #
  29
  30 # If there is a global system configuration file, suck it in.
  31 #
  32 if [ -r /etc/defaults/periodic.conf ]
  33 then
  34     . /etc/defaults/periodic.conf
  35     source_periodic_confs
  36 fi
  37
  38 security_daily_compat_var security_status_neggrpperm_enable
  39
  40 rc=0
  41
  42 if check_yesno_period security_status_neggrpperm_enable
  43 then
  44         echo ""
  45         echo 'Checking negative group permissions:'
  46         IFS=$'\n'       # Don't split mount points with spaces or tabs
  47         MP=`mount -t ufs,hammer,hammer2 | awk '
  48                 $0 !~ /no(suid|exec)/ {
  49                         sub(/^.* on \//, "/");
  50                         sub(/ \(.*\)/, "");
  51                         print $0
  52                 }'`
  53         n=$(find -sx $MP /dev/null \( ! -fstype local \) -prune -o -type f \
  54             \( \( ! -perm +010 -and -perm +001 \) -or \
  55             \( ! -perm +020 -and -perm +002 \) -or \
  56             \( ! -perm +040 -and -perm +004 \) \) \
  57             -exec ls -liTd \{\} \+ | tee /dev/stderr | wc -l)
  58         [ $n -gt 0 ] && rc=1 || rc=0
  59 fi
  60
  61 exit $rc