[extras] added ramdisk-create-osx.sh for Mac OS X systems

extras/ramdisk/ramdisk-create-osx.sh

@@ -0,0 +1,27 @@
+#!/bin/sh -x
+#
+# This script creates a ramdisk and clones the fwknop git repository
+# into it. This is meant for AFL fuzzing cycles.
+#
+
+### 1GB
+RSIZE=2097152
+LABEL="ramdisk-for-fwknop"
+RAMDISK=/Volumes/$LABEL
+
+if [ -d $RAMDISK ]
+then
+    echo "[*] $RAMDISK mount point already exists"
+    exit 1
+fi
+
+if [ -f extras/ramdisk/ramdisk-create-osx.sh ]
+then
+    diskutil erasevolume HFS+ "$LABEL" `hdiutil attach -nomount ram://$RSIZE`
+    git clone . $RAMDISK/fwknop.git
+else
+    echo "[*] Run this script from the top level fwknop sources directory"
+    exit 1
+fi
+
+exit $?