From 41ea9d49309febe5292cf3b8b45515f15ea7efce Mon Sep 17 00:00:00 2001
From: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
Date: Fri, 5 Aug 2022 21:04:37 -0400
Subject: [PATCH] fuzzers: add httpecho fuzzer script

Change-Id: Iab296461ac47d0ee23c23bf3629f7a08f77e238a
Signed-off-by: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
---
 fuzzer/README           |  8 ++++++++
 fuzzer/httpecho-fuzz.sh | 25 +++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100755 fuzzer/httpecho-fuzz.sh

diff --git a/fuzzer/README b/fuzzer/README
index 656a6e0869..20a8aaf4f1 100644
--- a/fuzzer/README
+++ b/fuzzer/README
@@ -24,3 +24,11 @@ Run the fuzzers like this:
 ----
 ./httpresponse_fuzzer -max_len=16384 fuzzer/httpresponse-data/
 ----
+
+- HttpEcho:
+
+----
+./httpecho_fuzzer -max_len=16384 fuzzer/httpecho-data/
+OR, better:
+./fuzzer/httpecho-fuzz.sh
+----
diff --git a/fuzzer/httpecho-fuzz.sh b/fuzzer/httpecho-fuzz.sh
new file mode 100755
index 0000000000..83b3b8e090
--- /dev/null
+++ b/fuzzer/httpecho-fuzz.sh
@@ -0,0 +1,25 @@
+set -x
+set -e
+
+DATADIR=./fuzzer/httpecho-data
+
+TMPDIR=/tmp/httpecho_fuzzer_output
+mkdir -p $TMPDIR
+
+export LLVM_PROFILE_FILE="httpecho_fuzzer.profraw.%p.%6m"
+
+
+function h2o()
+{
+    (cd /tmp/h2o && git pull -r) || (cd /tmp && git clone https://github.com/h2o/h2o.git)
+    H2O='/tmp/h2o/fuzz/http1-corpus /tmp/h2o/fuzz/http2-corpus /tmp/h2o/fuzz/http3-corpus'
+}
+
+# Uncomment to download the h2o fuzzing corpus.
+#h2o
+
+./httpecho_fuzzer -verbosity=1 -timeout=1 -max_len=16384 -dict=${DATADIR}/http.dict -jobs=5 -detect_leaks=1 $* $TMPDIR ${DATADIR}/corpus/ $H2O
+
+# To merge, run:
+#./httpecho_fuzzer -verbosity=1 -timeout=10 -max_len=16384 $* -merge=1 ${DATADIR}/corpus/ $TMPDIR
+