From 992d3a207d0a6cf4faeb835ea6a37ff33df9c87d Mon Sep 17 00:00:00 2001
From: Toni Uhlig <matzeton@googlemail.com>
Date: Mon, 20 Sep 2021 00:28:44 +0200
Subject: dumb fuzzer: randpkt vs nDPId-test

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
---
 test/dumb_fuzzer.sh | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 test/dumb_fuzzer.sh

(limited to 'test/dumb_fuzzer.sh')

diff --git a/test/dumb_fuzzer.sh b/test/dumb_fuzzer.sh
new file mode 100755
index 000000000..61865b6c1
--- /dev/null
+++ b/test/dumb_fuzzer.sh
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+set -e
+
+MYDIR="$(realpath "$(dirname ${0})")"
+nDPId_test_EXEC="$(realpath "${1:-"${MYDIR}/../nDPId-test"}")"
+PROTOCOL="${2:-tcp}"
+MAX_RUNS="${3:-100}"
+MAX_COUNT="${4:-10000}"
+
+function usage()
+{
+cat <<EOF
+usage: ${0} [path-to-nDPId-test-exec] [protocol] [max-runs] [max-count]
+
+    path-to-nDPId-test-exec defaults to ${nDPId_test_EXEC}
+    protocol defaults to ${PROTOCOL}
+    max-runs defaults to ${MAX_RUNS}
+    max-count defaults to ${MAX_COUNT}
+EOF
+return 0
+}
+
+if [ $# -eq 0 ]; then
+    usage
+    exit 1
+elif [ ! -x "${nDPId_test_EXEC}" ]; then
+    printf '%s\n' "Required nDPId-test executable does not exist; ${nDPId_test_EXEC}"
+    exit 1
+fi
+
+function sighandler()
+{
+    printf '%s\n' ' Received shutdown SIGNAL, bye' >&2
+    rm -f "/tmp/randpkt_$$.pcap"
+    $(which pkill) -P $$
+    wait
+    exit 2
+}
+trap sighandler SIGINT SIGTERM
+
+test -z "$(which pkill)" && { printf '%s\n' 'pkill not found'; exit 1; }
+test -z "$(which randpkt)" && { printf '%s\n' 'randpkt not found'; exit 1; }
+
+while (( ${MAX_RUNS} > 0 )); do
+    printf '.'
+    test $((${MAX_RUNS} % 10)) -ne 0 || printf '%s' "${MAX_RUNS}"
+    $(which randpkt) -c "${MAX_COUNT}" -t "${PROTOCOL}" "/tmp/randpkt_$$.pcap"
+    ${nDPId_test_EXEC} "/tmp/randpkt_$$.pcap" >/dev/null
+    MAX_RUNS=$((${MAX_RUNS} - 1))
+done
+
+rm -f "/tmp/randpkt_$$.pcap"
+printf '\n'
-- 
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