#!/bin/bash -eu
# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################

BUILD=$WORK/build
mkdir -p $BUILD
pushd $BUILD
cmake -DCMAKE_C_COMPILER="$CC" -DCMAKE_CXX_COMPILER="$CXX" \
    -DCMAKE_C_FLAGS="$CFLAGS" -DCMAKE_CXX_FLAGS="$CXXFLAGS" \
    -DBUILD_SHARED_LIBS=OFF -DWITH_INSECURE_NONE=ON -DWITH_EXEC=OFF \
    -DUNIT_TESTING=ON -DWITH_EXAMPLES=OFF $SRC/libssh
make "-j$(nproc)"

fuzzers=$(find $SRC/libssh/tests/fuzz/ -name "*_fuzzer.c")
for f in $fuzzers; do
    fuzzerName=$(basename $f .c)
    echo "Building fuzzer $fuzzerName"
    $CC $CFLAGS -I$SRC/libssh/include/ -I$SRC/libssh/src/ -I$BUILD/ -I$BUILD/include/ \
        -c "$f" -O0 -g

    $CXX $CXXFLAGS $fuzzerName.o \
        -o "$OUT/$fuzzerName" -O0 -g \
        $LIB_FUZZING_ENGINE ./src/libssh.a -Wl,-Bstatic -lcrypto -lz -Wl,-Bdynamic

    if [ -d "$SRC/libssh/tests/fuzz/${fuzzerName}_corpus" ]; then
        zip -j $OUT/${fuzzerName}_seed_corpus.zip $SRC/libssh/tests/fuzz/${fuzzerName}_corpus/*
        cp $OUT/${fuzzerName}_seed_corpus.zip $OUT/${fuzzerName}_nalloc_seed_corpus.zip
    fi

    cp $OUT/${fuzzerName} $OUT/${fuzzerName}_nalloc
done
popd
