1#!/bin/bash -eu 2# Copyright 2019 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# Ignore memory leaks from python scripts invoked in the build 19export ASAN_OPTIONS="detect_leaks=0" 20export MSAN_OPTIONS="halt_on_error=0:exitcode=0:report_umrs=0" 21 22# Remove -pthread from CFLAGS, this trips up ./configure 23# which thinks pthreads are available without any CLI flags 24CFLAGS=${CFLAGS//"-pthread"/} 25 26FLAGS=() 27case $SANITIZER in 28 address) 29 FLAGS+=("--with-address-sanitizer") 30 ;; 31 memory) 32 FLAGS+=("--with-memory-sanitizer") 33 # installing ensurepip takes a while with MSAN instrumentation, so 34 # we disable it here 35 FLAGS+=("--without-ensurepip") 36 # -msan-keep-going is needed to allow MSAN's halt_on_error to function 37 FLAGS+=("CFLAGS=-mllvm -msan-keep-going=1") 38 ;; 39 undefined) 40 FLAGS+=("--with-undefined-behavior-sanitizer") 41 ;; 42esac 43 44export CPYTHON_INSTALL_PATH=$SRC/cpython-install 45rm -rf $CPYTHON_INSTALL_PATH 46mkdir $CPYTHON_INSTALL_PATH 47 48tar zxf v3.8.7.tar.gz 49cd cpython-3.8.7/ 50cp $SRC/django-fuzzers/python_coverage.h Python/ 51 52# Patch the interpreter to record code coverage 53sed -i '1 s/^.*$/#include "python_coverage.h"/g' Python/ceval.c 54sed -i 's/case TARGET\(.*\): {/\0\nfuzzer_record_code_coverage(f->f_code, f->f_lasti);/g' Python/ceval.c 55 56./configure "${FLAGS[@]:-}" --prefix=$CPYTHON_INSTALL_PATH 57make -j$(nproc) 58make install 59 60cp -R $CPYTHON_INSTALL_PATH $OUT/ 61 62rm -rf $OUT/django-dependencies 63mkdir $OUT/django-dependencies 64$CPYTHON_INSTALL_PATH/bin/pip3 install asgiref pytz sqlparse -t $OUT/django-dependencies 65 66cd $SRC/django-fuzzers 67rm $CPYTHON_INSTALL_PATH/lib/python3.8/lib-dynload/_tkinter*.so 68make 69 70cp -R $SRC/django/* $OUT/ 71 72cp $SRC/django-fuzzers/fuzzer-utils $OUT/ 73cp $SRC/django-fuzzers/utils.py $OUT/ 74zip -j $OUT/fuzzer-utils_seed_corpus.zip $SRC/django-fuzzers/corp-utils/* 75