#!/bin/sh
#
#     tiger - A UN*X security checking system
#     Copyright (C) 1993 Douglas Lee Schales, David K. Hess, David R. Safford
#
#    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_printcap - 06/28/93
#
# Checks the printer control file.
#
# 06/22/2007 - jfs   - Skip this test if CUPS is installed (Debian bug #420487)
# 01/21/2004 - rbrad - Make the check of the config file through haveallcmds
# 01/11/2004 - rbrad - Check for /etc/printcap before parseing.
#		Bug reported by: Michael Schleif.
# 05/01/2003 - jfs - Fixed dependancies
#
#-----------------------------------------------------------------------------
#
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

# This generic definition should probably be moved to
# a configuration variable (PRINTCAP?)
src=/etc/printcap
infile=/etc/printcap

#
# If run in test mode (-t) this will verify that all required
# elements are set.
#
[ "$Tiger_TESTMODE" = 'Y' ] && {
  haveallcmds AWK CAT SED LS || exit 1
  haveallfiles BASEDIR WORKDIR src infile || exit 1
  haveallvars TESTLINK HOSTNAME
  
  echo "--CONFIG-- [init003c] $0: Configuration ok..."
  exit 0
}

#------------------------------------------------------------------------

[ -x /usr/sbin/cupsd ] && exit 0

echo
echo "# Checking printer configuration files..."

haveallcmds AWK CAT LS SED || exit 1
haveallfiles BASEDIR WORKDIR src infile || exit 1

saveifs=$IFS
realpath="$REALPATH -d"
[ ! -n "$REALPATH" -o ! $TESTEXEC "$REALPATH" ] && realpath=echo

dirname()
{
  _path="$1"
  echo "$_path" |
  $SED -e 's%/[^/][^/]*/*$%/%'
}

check_filter()
{
  __pr="$1"
  __f="$2"
  __fcmd="$3"
  __source="$4"

  set X $__fcmd
  shift
  pass=1
  for __comp
  do
    case "$__comp" in
      /*/*) {
	if [ ! -f "$__comp" -a ! -d "$__comp" ]; then
	  [ $pass -eq 1 ] && {
	    message INFO xxxx "" "Printer control $__f's file \`$__comp' for printer \`$__pr' does not exist."
	    echo
	  }
	  
	  while [ -n "$__comp" -a \( ! -f "$__comp" -a ! -d "$__comp" \) ]
	  do
	    __comp="`dirname \"$__comp\"`"
	  done
	fi

	[ -n "$__comp" ] && {
	  lgetpermit "$__comp" |
	  pathmsg pcap002w pcap003w "$__comp" root "Print control \`$__f' for printer \`$__pr' uses" ""

	  [ ! -d "$__comp" -a "$ux" = '1' ] && {
	    [ -n "$TigerCheckEmbedded" ] && {
	      echo "$__comp $__source" >> $TigerCheckEmbedded
	    }
	  }
	}
      }
      ;;
    esac
    pass=2
  done
}

$SED -e 's/^#.*$//' -e '/^$/d' $infile |
$AWK '
/\\$/ {printf("%s", substr($0, 1, length($0)-1));}
!/\\$/
' |
$SED -e 's/[ 	]*=[ 	]*/=/g' |
while read entry
do
  IFS=:
  set X $entry
  IFS=$saveifs
  shift
  pnames="$1"
  shift
  printer="`echo \"$pnames\" | $SED -e 's/^\([^|]*\)|.*$/\1/'`"
  for setting
  do
    case "$setting" in
      *=*) {
	IFS="="
	set X $setting
	IFS=$saveifs
	shift
	keyword=$1
	shift
	value="$*"
	case "$keyword" in
	  ff|sf) ;;
          lp);;
          ?f) check_filter "$printer" "$keyword" "$value" "$src";;
           *) case "$value" in
	        /*/*) check_filter "$printer" "$keyword" "$value" "$src";;
              esac;;
        esac
      };;
    esac
  done
done
