/usr/lib/tiger/scripts/check_exrc is in tiger 1:3.2.3-14.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95  | #!/bin/sh
#
#     tiger - A UN*X security checking system
#     Copyright (C) YEAR AUTHOR
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2, or (at your option)
#    any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#     Please see the file `COPYING' for the complete copyright notice.
#
# check_exrc - 14 April 2003 
#
# Find .exrc files that are not in user's home directories. The vi
# command will look for the existence of such a file in the current
# directory, and so may inadvertenly perform commands that can
# compromise your system's security when starting vi or ex.
#
#
# 14 April 2003 - jfs - Created this script based on patch #1354
#
#-----------------------------------------------------------------------------
#
# This is the directory Tiger is installed on
TigerInstallDir="/usr/lib/tiger"
#
# Set default base directory.
# Order or preference:
#      -B option
#      TIGERHOMEDIR environment variable
#      TigerInstallDir installed location
#
basedir=${TIGERHOMEDIR:=$TigerInstallDir}
for parm
do
   case $parm in
   -B) basedir=$2; break;;
   esac
done
#
# Verify that a config file exists there, and if it does
# source it.
#
[ ! -r $basedir/config ] && {
  echo "--ERROR-- [init002e] No 'config' file in \`$basedir'."
  exit 1
}
. $basedir/config
. $BASEDIR/initdefs
#
# If run in test mode (-t) this will verify that all required
# elements are set.
#
[ "$Tiger_TESTMODE" = 'Y' ] && {
  haveallcmds FIND || exit 1
  haveallfiles BASEDIR WORKDIR || exit 1
  haveallvars TESTLINK HOSTNAME || exit 1
  
  echo "--CONFIG-- [init003c] $0: Configuration ok..."
  exit 0
}
#------------------------------------------------------------------------
echo
echo "# Performing Check of .exrc files ..."
haveallcmds FIND || exit 1
haveallfiles BASEDIR WORKDIR || exit 1
haveallvars TESTLINK HOSTNAME || exit 1
# Note $NICE is not needed, if defined then it is used
$NICE $FIND / -name '.exrc' -print 2>/dev/null |\
while read FILEPATH
do
  EXRCDIR=${FILEPATH%/.exrc}
  if grep -q ":${EXRCDIR}:" /etc/passwd
  then
    continue
  fi
  message WARN kis009w "" "Editor config file not in a user's home dir -- ${FILEPATH}"
done
exit 0
 |