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1#!/bin/bash -eu
2# Copyright 2020 Google Inc.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16################################################################################
17
18# Not using OpenSSL
19    export CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_NO_OPENSSL"
20
21# Install Boost headers
22    cd $SRC/
23    tar jxf boost_1_74_0.tar.bz2
24    cd boost_1_74_0/
25    CFLAGS="" CXXFLAGS="" ./bootstrap.sh
26    CFLAGS="" CXXFLAGS="" ./b2 headers
27    cp -R boost/ /usr/include/
28
29# Generate lookup tables. This only needs to be done once.
30    cd $SRC/cryptofuzz
31    python gen_repository.py
32
33# Only test primitives which BearSSL supports
34    rm extra_options.h
35    echo -n '"' >>extra_options.h
36    echo -n '--force-module=BearSSL ' >>extra_options.h
37    echo -n '--digests=MD5,SHA1,SHA224,SHA256,SHA384,SHA512,MD5_SHA1,SHAKE128,SHAKE256 ' >>extra_options.h
38    echo -n '--ciphers=AES_128_GCM,AES_192_GCM,AES_256_GCM,AES_128_CCM,AES_192_CCM,AES_256_CCM,CHACHA20,CHACHA20_POLY1305 ' >>extra_options.h
39    echo -n '--operations=Digest,HMAC,SymmetricEncrypt,SymmetricDecrypt,KDF_HKDF,KDF_TLS1_PRF,ECC_GenerateKeyPair,ECC_PrivateToPublic,ECDSA_Verify,ECDSA_Sign' >>extra_options.h
40    echo -n '"' >>extra_options.h
41
42# Compile BearSSL
43    cd $SRC/BearSSL/
44    sed -i '/^CC = /d' conf/Unix.mk
45    sed -i '/^CFLAGS = /d' conf/Unix.mk
46    make -j$(nproc) lib
47
48    export BEARSSL_INCLUDE_PATH=$(realpath inc/)
49    export LIBBEARSSL_A_PATH=$(realpath ./build/libbearssl.a)
50    export CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_BEARSSL"
51
52    # Compile Cryptofuzz BearSSL module
53    cd $SRC/cryptofuzz/modules/bearssl
54    make -B
55
56# Compile Botan
57    cd $SRC/botan
58    if [[ $CFLAGS != *-m32* ]]
59    then
60        ./configure.py --cc-bin=$CXX --cc-abi-flags="$CXXFLAGS" --disable-shared --disable-modules=locking_allocator --build-targets=static --without-documentation
61    else
62        ./configure.py --cpu=x86_32 --cc-bin=$CXX --cc-abi-flags="$CXXFLAGS" --disable-shared --disable-modules=locking_allocator --build-targets=static --without-documentation
63    fi
64    make -j$(nproc)
65
66    export CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_BOTAN"
67    export LIBBOTAN_A_PATH="$SRC/botan/libbotan-3.a"
68    export BOTAN_INCLUDE_PATH="$SRC/botan/build/include"
69
70    # Compile Cryptofuzz Botan module
71    cd $SRC/cryptofuzz/modules/botan
72    make -B
73
74# Compile Cryptofuzz
75    cd $SRC/cryptofuzz
76    LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make -B -j$(nproc) >/dev/null
77
78    # Generate dictionary
79    ./generate_dict
80
81    # Copy fuzzer
82    cp $SRC/cryptofuzz/cryptofuzz $OUT/cryptofuzz-bearssl
83    # Copy dictionary
84    cp $SRC/cryptofuzz/cryptofuzz-dict.txt $OUT/cryptofuzz-bearssl.dict
85