#!/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/share/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
