Add harness

.github/workflows/mayhem.yml

@@ -51,7 +51,8 @@ jobs:
       fail-fast: false
       matrix:
         mayhemfile:
-          - mayhem/Mayhemfile
+          - mayhem/Mayhemfile_cnip
+          - mayhem/Mayhemfile_fullDir
 
     steps:
       - uses: actions/checkout@v2

mayhem/Dockerfile

@@ -1,15 +1,18 @@
 FROM --platform=linux/amd64 ubuntu:22.04 as builder
 
 RUN apt-get update
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential cmake
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential cmake clang
 
 COPY . /repo
 WORKDIR /repo/build
 RUN cmake ..
 RUN make -j8
+WORKDIR /repo
+RUN clang++ /repo/mayhem/fuzz.cpp utility/*.cpp tools/*.cpp -fsanitize=fuzzer -o /fuzz -Iutility/ -I.
 
 FROM ubuntu:22.04 as package
 COPY --from=builder /repo/build/cnip /
 COPY --from=builder /repo/build/C/* /deps/
 COPY --from=builder /repo/build/common/* /deps/
+COPY --from=builder /fuzz /fuzz_fulldir
 ENV LD_LIBRARY_PATH=/deps

mayhem/Mayhemfile_fullDir

@@ -0,0 +1,6 @@
+project: psychec
+target: fulldir
+
+cmds:
+  - cmd: /fuzz_fullDir
+    libfuzzer: true

mayhem/fuzz_fullDir.cpp

@@ -0,0 +1,19 @@
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <iostream>
+#include <fuzzer/FuzzedDataProvider.h>
+#include "utility/FileInfo.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+    FuzzedDataProvider provider(data, size);
+    std::string str = provider.ConsumeRandomLengthString();
+
+    psy::FileInfo fi(str);
+    fi.fullDir();
+
+    return 0;
+}