Add the ssrf module

ssrf/scripts/stop.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Stop any running instance.
+#
+# Match a real JVM whose command line contains this application's main class, and exclude this
+# shell and its parent explicitly. A bare grep for the class name is not enough: when the
+# calling shell's own command line contains the class name - which it does whenever you paste a
+# here-doc - the grep matches the shell and kills it.
+set -eu
+self=$$; parent=${PPID:-0}
+for pid in $(ps -eo pid,ppid,comm,args | awk -v s="$self" -v p="$parent" \
+    '$1 != s && $1 != p && $3 ~ /^java/ && $0 ~ /com\.ankurm\.ssrf\.SsrfDemoApplication/ {print $1}'); do
+  kill -9 "$pid" 2>/dev/null || true
+done
+sleep 1