From e91a509873c6d2af3c90ecf139339c25573a67e1 Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Mon, 22 May 2017 23:24:44 +0800
Subject: Dropbear SSH fuzzer working (#618)

---
 projects/dropbear/Dockerfile             | 24 +++++++++++++++++++++
 projects/dropbear/build.sh               | 36 ++++++++++++++++++++++++++++++++
 projects/dropbear/fuzzer-preauth.options |  2 ++
 3 files changed, 62 insertions(+)
 create mode 100644 projects/dropbear/Dockerfile
 create mode 100644 projects/dropbear/build.sh
 create mode 100644 projects/dropbear/fuzzer-preauth.options

(limited to 'projects/dropbear')

diff --git a/projects/dropbear/Dockerfile b/projects/dropbear/Dockerfile
new file mode 100644
index 00000000..d70cec09
--- /dev/null
+++ b/projects/dropbear/Dockerfile
@@ -0,0 +1,24 @@
+# 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+MAINTAINER matt@ucc.asn.au
+RUN apt-get update && apt-get install -y libz-dev autoconf mercurial
+RUN hg clone -b fuzz https://secure.ucc.asn.au/hg/dropbear dropbear
+RUN hg clone https://secure.ucc.asn.au/hg/dropbear-fuzzcorpus dropbear/corpus
+WORKDIR dropbear
+COPY build.sh *.options $SRC/
+
diff --git a/projects/dropbear/build.sh b/projects/dropbear/build.sh
new file mode 100644
index 00000000..ab6326bb
--- /dev/null
+++ b/projects/dropbear/build.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+# 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.
+#
+################################################################################
+
+
+pushd $SRC/dropbear
+autoconf
+autoheader
+popd
+
+$SRC/dropbear/configure --enable-fuzz
+# force static zlib
+sed -i 's@-lz@/usr/lib/x86_64-linux-gnu/libz.a@' Makefile
+
+make -j$(nproc) fuzz-targets FUZZLIB=$LIB_FUZZING_ENGINE
+
+TARGETS="$(make list-fuzz-targets)"
+
+make -C $SRC/dropbear/corpus
+
+cp -v $TARGETS $OUT/
+cp -v $SRC/*.options $OUT/
+cp -v $SRC/dropbear/corpus/*.zip $OUT/
diff --git a/projects/dropbear/fuzzer-preauth.options b/projects/dropbear/fuzzer-preauth.options
new file mode 100644
index 00000000..6659fa94
--- /dev/null
+++ b/projects/dropbear/fuzzer-preauth.options
@@ -0,0 +1,2 @@
+[libfuzzer]
+max_len = 50000
-- 
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