gnu: Add ROPgadget.

* gnu/packages/cybersecurity.scm: New file.
(ropgadget): New variable.
* gnu/local.mk (GNU_SYSTEM_MODULES): Register the file.

gnu/local.mk

@@ -138,6 +138,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/cups.scm				\
   %D%/packages/curl.scm				\
   %D%/packages/cvassistant.scm			\
+  %D%/packages/cybersecurity.scm		\
   %D%/packages/cyrus-sasl.scm			\
   %D%/packages/databases.scm			\
   %D%/packages/datamash.scm			\

gnu/packages/cybersecurity.scm

@@ -0,0 +1,46 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages cybersecurity)
+  #:use-module (guix download)
+  #:use-module (guix packages)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system python)
+  #:use-module (gnu packages engineering))
+
+(define-public ropgadget
+  (package
+    (name "ropgadget")
+    (version "6.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "ROPGadget" version))
+       (sha256
+        (base32
+         "0idiicgpijar9l9kqmfdh865c2mkfgxg0q7lpz77jc09l6q0afjh"))))
+    (build-system python-build-system)
+    (propagated-inputs
+     `(("python-capstone" ,python-capstone)))
+    (home-page "http://shell-storm.org/project/ROPgadget/")
+    (synopsis "Semiautomatic return oriented programming")
+    (description
+     "This tool lets you search for @acronym{ROP, Return Oriented Programming}
+gadgets in binaries.  Some facilities are included for automatically generating
+chains of gadgets to execute system calls.")
+    (license license:bsd-3)))