[infra] .options support for run command

infra/base-images/base-libfuzzer/Dockerfile

@@ -27,7 +27,7 @@ ENV FUZZER_LDFLAGS "-Wl,-whole-archive /usr/local/lib/libc++.a /usr/local/lib/li
 RUN mkdir /out && chmod a+w /out
 
 RUN mkdir /src/bin
-COPY compile srcmap reproduce run test /src/bin/
+COPY compile srcmap reproduce run just_run test /src/bin/
 ENV PATH=/src/bin:$PATH
 WORKDIR /src
 CMD ["compile"]

infra/base-images/base-libfuzzer/just_run

@@ -0,0 +1,31 @@
+#!/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.
+#
+################################################################################
+
+# Fuzzer runner.
+
+FUZZER=$1
+shift
+CMD_LINE="$FUZZER $@"
+
+OPTIONS_FILE="${FUZZER}.options"
+if [ -f $OPTIONS_FILE ]; then
+  OPTIONS_ARGS=$(grep "=" $OPTIONS_FILE | sed 's/\(\w*\)\W*=\W*\(.*\)/-\1=\2 /g' | tr '\n' ' ')
+  CMD_LINE="$CMD_LINE $OPTIONS_ARGS"
+fi
+
+echo $CMD_LINE
+bash -c "$CMD_LINE"

infra/base-images/base-libfuzzer/run

@@ -16,6 +16,6 @@
 ################################################################################
 
 compile
-export PATH=/out:$PATH
 cd /out
-$@
+export PATH="/out:$PATH"
+just_run $@

targets/expat/parse_fuzzer.options

@@ -1,2 +1,3 @@
 [libfuzzer]
 dict = xml.dict
+max_len = 1024