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wget2/fuzz/run-afl.sh
2023-08-31 12:57:30 +02:00

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#!/bin/sh -eu
# Copyright (c) 2017-2023 Free Software Foundation, Inc.
#
# This file is part of libwget.
#
# Libwget 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.
#
# Libwget 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with libwget. If not, see <https://www.gnu.org/licenses/>.
if ! grep -q '^CC=.afl-clang-fast' ../config.log; then
echo "compile first library as:"
echo "CC=afl-clang-fast ./configure"
exit 1
fi
if test -z "$1"; then
echo "Usage: $0 test-case"
echo "Example: $0 libwget_robots_parse_fuzzer"
exit 1
fi
fuzzer=$1
rm -f $fuzzer
afl-clang-fast -O2 -g -I../include/wget -I.. main.c "${fuzzer}.c" -o "${fuzzer}" \
-L../libwget/.libs -Wl,-rpath=../libwget/.libs -lwget
### minimize test corpora
if test -d ${fuzzer}.in; then
mkdir -p ${fuzzer}.min
for i in `ls ${fuzzer}.in`; do
fin="${fuzzer}.in/$i"
fmin="${fuzzer}.min/$i"
if ! test -e $fmin || test $fin -nt $fmin; then
afl-tmin -i $fin -o $fmin -- ./${fuzzer}
fi
done
fi
TMPOUT=${fuzzer}.out
mkdir -p ${TMPOUT}
if test -f ${fuzzer}.dict; then
afl-fuzz -i ${fuzzer}.min -o ${TMPOUT} -x ${fuzzer}.dict -- ./${fuzzer}
else
afl-fuzz -i ${fuzzer}.min -o ${TMPOUT} -- ./${fuzzer}
fi
echo "output was stored in $TMPOUT"
exit 0