dumb fuzzer: randpkt vs nDPId-test

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

2 files changed, 64 insertions, 6 deletions

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'
diff --git a/test/run_tests.sh b/test/run_tests.sh
index df6fdd277..d7370b171 100755
--- a/test/run_tests.sh
+++ b/test/run_tests.sh
@@ -5,7 +5,7 @@ set -e
 LINE_SPACES=${LINE_SPACES:-48}
 MYDIR="$(realpath "$(dirname ${0})")"
 nDPId_test_EXEC="$(realpath "${2:-"${MYDIR}/../nDPId-test"}")"
-NETCAT_EXEC="nc -q 0 -l 127.0.0.1 9000"
+NETCAT_EXEC="$(which nc) -q 0 -l 127.0.0.1 9000"
 JSON_VALIDATOR="$(realpath "${3:-"${MYDIR}/../examples/py-schema-validation/py-schema-validation.py"}")"
 SEMN_VALIDATOR="$(realpath "${4:-"${MYDIR}/../examples/py-semantic-validation/py-semantic-validation.py"}")"
 
@@ -22,6 +22,10 @@ EOF
 return 0
 }
 
+test -z "$(which flock)" && { printf '%s\n' 'flock not found'; exit 1; }
+test -z "$(which pkill)" && { printf '%s\n' 'pkill not found'; exit 1; }
+test -z "$(which nc)" && { printf '%s\n' 'nc not found'; exit 1; }
+
 if [ $# -eq 0 -a -x "${MYDIR}/../libnDPI/tests/pcap" ]; then
     nDPI_SOURCE_ROOT="${MYDIR}/../libnDPI"
 elif [ $# -ne 1 -a $# -ne 2 -a $# -ne 3 -a $# -ne 4 ]; then
@@ -40,14 +44,14 @@ LOCKFILE="$(realpath "${0}").lock"
 
 touch "${LOCKFILE}"
 exec 42< "${LOCKFILE}"
-flock -x -n 42 || {
+$(which flock) -x -n 42 || {
     printf '%s\n' "Could not aquire file lock for ${0}. Already running instance?" >&2;
     exit 3;
 }
 function sighandler()
 {
     printf '%s\n' ' Received shutdown SIGNAL, bye' >&2
-    pkill -P $$
+    $(which pkill) -P $$
     wait
     rm -f "${LOCKFILE}"
     exit 4
@@ -60,9 +64,9 @@ if [ ! -x "${nDPId_test_EXEC}" ]; then
     exit 5
 fi
 
-nc -h |& head -n1 | grep -qoE '^OpenBSD netcat' || {
-    printf '%s\n' "OpenBSD netcat (nc) version required!" >&2;
-    printf '%s\n' "Your version: $(nc -h |& head -n1)" >&2;
+$(which nc) -h |& head -n1 | grep -qoE '^OpenBSD netcat' || {
+    printf '%s\n' "$(which nc): OpenBSD netcat (nc) version required!" >&2;
+    printf '%s\n' "$(which nc): Your version: $(nc -h |& head -n1)" >&2;
     exit 6;
 }