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|
#!/bin/bash
#
# ewfacquirestream testing script
#
# Copyright (c) 2006-2012, Joachim Metz <joachim.metz@gmail.com>
#
# Refer to AUTHORS for acknowledgements.
#
# This software is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software 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.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this software. If not, see <http://www.gnu.org/licenses/>.
#
EXIT_SUCCESS=0;
EXIT_FAILURE=1;
EXIT_IGNORE=77;
INPUT="input_raw";
TMP="tmp";
LS="ls";
TR="tr";
WC="wc";
test_acquire_file()
{
INPUT_FILE=$1;
OUTPUT_FORMAT=$2;
COMPRESSION_METHOD=$3;
COMPRESSION_LEVEL=$4;
MAXIMUM_SEGMENT_SIZE=$5;
CHUNK_SIZE=$6;
mkdir ${TMP};
${EWFACQUIRESTREAM} -q -d sha1 \
-t ${TMP}/acquirestream \
-C case_number \
-D description \
-E evidence_number \
-e examiner \
-N notes \
-m removable \
-M logical \
-c ${COMPRESSION_METHOD}:${COMPRESSION_LEVEL} \
-f ${OUTPUT_FORMAT} \
-S ${MAXIMUM_SEGMENT_SIZE} \
-b ${CHUNK_SIZE} \
< ${INPUT_FILE}
RESULT=$?;
if [ ${RESULT} -eq ${EXIT_SUCCESS} ];
then
${EWFVERIFY} -q -d sha1 ${TMP}/acquirestream.*
RESULT=$?;
fi
echo "";
rm -rf ${TMP};
echo -n "Testing ewfacquirestream of raw input: ${INPUT_FILE} to ewf format: ${OUTPUT_FORMAT} with compression: ${COMPRESSION_METHOD}:${COMPRESSION_LEVEL} and chunk size: ${CHUNK_SIZE} ";
if test ${RESULT} -ne ${EXIT_SUCCESS};
then
echo " (FAIL)";
else
echo " (PASS)";
fi
return ${RESULT};
}
EWFACQUIRESTREAM="../ewftools/ewfacquirestream";
if ! test -x ${EWFACQUIRESTREAM};
then
EWFACQUIRESTREAM="../ewftools/ewfacquirestream.exe"
fi
if ! test -x ${EWFACQUIRESTREAM};
then
echo "Missing executable: ${EWFACQUIRESTREAM}";
exit ${EXIT_FAILURE};
fi
EWFVERIFY="../ewftools/ewfverify";
if ! test -x ${EWFVERIFY};
then
EWFVERIFY="../ewftools/ewfverify.exe";
fi
if ! test -x ${EWFVERIFY};
then
echo "Missing executable: ${EWFVERIFY}";
exit ${EXIT_FAILURE};
fi
if ! test -d ${INPUT};
then
echo "No ${INPUT} directory found, to test ewfacquirestream create ${INPUT} directory and place RAW image test files in directory.";
exit ${EXIT_IGNORE};
fi
RESULT=`${LS} ${INPUT}/*.[rR][aA][wW] | ${TR} ' ' '\n' | ${WC} -l`;
if test ${RESULT} -eq 0;
then
echo "No files found in ${INPUT} directory, to test ewfacquirestream place RAW image test files in directory.";
exit ${EXIT_IGNORE};
fi
for FILENAME in `${LS} ${INPUT}/*.[rR][aA][wW] | ${TR} ' ' '\n'`;
do
for SEGMENT_SIZE in 650MB 1MiB;
do
for FORMAT in encase2 encase3 encase4 encase5 encase6 linen5 linen6 ftk ewfx;
do
for COMPRESSION_LEVEL in none empty-block fast best;
do
if ! test_acquire_file "${FILENAME}" "${FORMAT}" deflate "${COMPRESSION_LEVEL}" "${SEGMENT_SIZE}" 64;
then
exit ${EXIT_FAILURE};
fi
done
done
done
for CHUNK_SIZE in 16 32 128 256 512 1024 2048 4096 8192 16384 32768;
do
for SEGMENT_SIZE in 650MB 1MiB;
do
for COMPRESSION_LEVEL in none empty-block fast best;
do
if ! test_acquire_file "${FILENAME}" encase6 deflate "${COMPRESSION_LEVEL}" "${SEGMENT_SIZE}" "${CHUNK_SIZE}";
then
exit ${EXIT_FAILURE};
fi
done
done
done
done
exit ${EXIT_SUCCESS};
|
