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    Length: 2093 (0x82d)
    Types: TextFile
    Names: »crc.chk«

└─⟦4f9d7c866⟧ Bits:30007245 EUUGD6: Sikkerheds distributionen
    └─⟦ed5edc051⟧ »./cops/1.02/cops.102.tar« 
└─⟦4f9d7c866⟧ Bits:30007245 EUUGD6: Sikkerheds distributionen
    └─⟦db60b44f1⟧ »./cops/1.02/cops.102.tar.Z« 
        └─⟦ed5edc051⟧ 
            └─⟦this⟧ »cops/crc.chk« 

TextFile

:

# commands 'n stuff:
AWK=/bin/awk
SED=/bin/sed
SORT=/usr/bin/sort
MV=/bin/mv
MAIL=/bin/mail
CAT=/bin/cat
TEST=/bin/test
ECHO=/bin/echo
RM=/bin/rm
DATE=/bin/date

# files used:
crc_list=./crc_list	# lists files used
crc_seed=./crc_seed	# optional -- contains seed
crc_old=./crc_old	# old crc values
crc_tmp=./crc_tmp	# temp storage for the new crc's
crc_res=./crc_res	# difference between new and old crc's
bit_bucket=/dev/null	# junk goes here
results=./crc_results	# results go here; deleted & mailed, or
			# saved here, depending on the "MAIL" flag.

# Do you want it mailed?  If "YES", the results file gets deleted
MMAIL=NO
# who gets the report?
INFORM="foo@bar.edu"

#   If you don't use an argument, and don't have a seed file, generate
# a semi-random seed:
if $TEST $# -eq 1 ; then
	seed=$1
else
	if $TEST ! -s $crc_seed ; then
		seed=$$
		$ECHO $seed > $crc_seed
	else
		seed=`$CAT $crc_seed`
		fi
	fi

# AIX has a broken awk.
# files=`$AWK '/^#/ {next} {print $1}' $crc_list | $SORT -u`
files=`$SED '/^#.*$/d' $crc_list | $SORT -u`

# $ECHO crc\'ing, with seed $seed
for i in $files
	do
	./crc -v -i $seed $i >> $crc_tmp 2> $bit_bucket
	done

# First time used, create the database:
if $TEST ! -s $crc_old ; then
	$MV $crc_tmp $crc_old
	exit 0
	fi

# any differences?
./crc_check $crc_old $crc_tmp > $crc_res

if $TEST -s $crc_res ; then

	# get the hostname:
	if $TEST -s /bin/hostname ; then
                HOSTNAME=`/bin/hostname`
        elif $TEST -s /bin/uname ; then
                HOSTNAME=`/bin/uname -n`
        elif $TEST -s /usr/bin/uuname ; then
                HOSTNAME=`/usr/bin/uuname -l`
                fi
        if $TEST -z "$HOSTNAME" ; then
                HOSTNAME="foobar"
                fi

	$ECHO >> $results
	$ECHO ATTENTION:                        >> $results
	$ECHO "CRC Security Report for "`$DATE` >> $results
	$ECHO "From host $HOSTNAME"             >> $results
	$ECHO >> $results
	$CAT $crc_res >>$results

	if $TEST $MMAIL = "YES" ; then
		$MAIL $INFORM < $results
		$RM $results
		fi
	fi

$RM -f $crc_tmp $crc_res

#  end it all....
exit 0