From f72a0a659a2dd2256adbbc01bc6bae18ece6acf5 Mon Sep 17 00:00:00 2001
From: Guido Vranken <guidovranken@users.noreply.github.com>
Date: Mon, 5 Sep 2022 08:01:56 +0200
Subject: [PATCH] [libressl] Add libgmp, Botan (#8403)

---
 projects/libressl/Dockerfile |  4 +++-
 projects/libressl/build.sh   | 41 ++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/projects/libressl/Dockerfile b/projects/libressl/Dockerfile
index 685a333c9..2e0ecbf88 100644
--- a/projects/libressl/Dockerfile
+++ b/projects/libressl/Dockerfile
@@ -17,12 +17,14 @@
 # Held back because of github.com/google/oss-fuzz/pull/8313
 # Please fix failure and upgrade.
 FROM gcr.io/oss-fuzz-base/base-builder@sha256:111d6b9d3a52bd3392602c71dc8936c628607a7a9bc86d381db7586f9b1e840f
-RUN apt-get update && apt-get install -y make cmake wget
+RUN apt-get update && apt-get install -y make cmake wget autoconf automake libtool bison flex texinfo lzip
 RUN git clone --depth 1 https://github.com/libressl-portable/portable.git libressl
 RUN git clone --depth 1 https://github.com/libressl-portable/fuzz.git libressl.fuzzers
 RUN git clone --depth 1 https://github.com/guidovranken/cryptofuzz
 RUN git clone --depth 1 https://github.com/guidovranken/cryptofuzz-corpora
 RUN wget https://boostorg.jfrog.io/artifactory/main/release/1.74.0/source/boost_1_74_0.tar.bz2
+RUN git clone --depth 1 https://github.com/randombit/botan.git
+RUN wget https://gmplib.org/download/gmp/gmp-6.2.1.tar.lz
 WORKDIR libressl
 RUN ./update.sh
 COPY build.sh *.options $SRC/
diff --git a/projects/libressl/build.sh b/projects/libressl/build.sh
index 5c639e63f..93c18637e 100755
--- a/projects/libressl/build.sh
+++ b/projects/libressl/build.sh
@@ -74,11 +74,52 @@ if [[ $CFLAGS = *sanitize=memory* ]]
 then
     export CXXFLAGS="$CXXFLAGS -DMSAN"
 fi
+
+# Build Botan
+cd $SRC/botan
+if [[ $CFLAGS != *-m32* ]]
+then
+    ./configure.py --cc-bin=$CXX --cc-abi-flags="$CXXFLAGS" --disable-shared --disable-modules=locking_allocator,x509,tls --build-targets=static --without-documentation
+else
+    ./configure.py --cpu=x86_32 --cc-bin=$CXX --cc-abi-flags="$CXXFLAGS" --disable-shared --disable-modules=locking_allocator,x509,tls --build-targets=static --without-documentation
+fi
+make -j$(nproc)
+
+export CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_BOTAN -DCRYPTOFUZZ_BOTAN_IS_ORACLE"
+export LIBBOTAN_A_PATH="$SRC/botan/libbotan-3.a"
+export BOTAN_INCLUDE_PATH="$SRC/botan/build/include"
+
+# Compile libgmp
+cd $SRC/
+tar --lzip -xvf gmp-6.2.1.tar.lz
+cd $SRC/gmp-6.2.1/
+autoreconf -ivf
+if [[ $CFLAGS = *-m32* ]]
+then
+    setarch i386 ./configure --enable-maintainer-mode --enable-assert
+elif [[ $CFLAGS = *sanitize=memory* ]]
+then
+    ./configure --enable-maintainer-mode --enable-assert --disable-assembly
+else
+    ./configure --enable-maintainer-mode --enable-assert
+fi
+make -j$(nproc)
+export CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_LIBGMP"
+export LIBGMP_INCLUDE_PATH=$(realpath .)
+export LIBGMP_A_PATH=$(realpath .libs/libgmp.a)
+
+cd $SRC/cryptofuzz/
 # Generate lookup tables
 python3 gen_repository.py
 # Compile Cryptofuzz LibreSSL module
 cd $SRC/cryptofuzz/modules/openssl
 OPENSSL_INCLUDE_PATH="$SRC/libressl/include" OPENSSL_LIBCRYPTO_A_PATH="$WORK/libressl/crypto/libcrypto.a" CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_LIBRESSL" make
+# Compile Cryptofuzz libgmp module
+cd ../libgmp/
+make -B -j$(nproc)
+# Compile Cryptofuzz Botan module
+cd ../botan/
+make -B -f Makefile-oracle -j$(nproc)
 # Compile Cryptofuzz
 cd $SRC/cryptofuzz/
 LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" CXXFLAGS="$CXXFLAGS -DCRYPTOFUZZ_LIBRESSL -I $SRC/libressl/include" make -j$(nproc)