gnu: Add American fuzzy lop.
* gnu/packages/debug.scm (american-fuzzy-lop): New variable.
This commit is contained in:
Eric Bavier
parent
20c263b00f
commit
9b459fc7e1
1 changed files with 100 additions and 1 deletions
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@ -27,7 +27,10 @@
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#:use-module (gnu packages indent)
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#:use-module (gnu packages llvm)
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#:use-module (gnu packages perl)
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#:use-module (gnu packages pretty-print))
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#:use-module (gnu packages pretty-print)
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#:use-module (gnu packages qemu)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1))
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(define-public delta
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(package
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@ -137,3 +140,99 @@ produces a much smaller C/C++ program that has the same property. It is
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intended for use by people who discover and report bugs in compilers and other
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tools that process C/C++ code.")
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(license ncsa)))
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(define-public american-fuzzy-lop
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(let ((machine (match (or (%current-target-system)
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(%current-system))
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("x86_64-linux" "x86_64")
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("i686-linux" "i386")
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;; Prevent errors when querying this package on unsupported
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;; platforms, e.g. when running "guix package --search="
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(_ "UNSUPPORTED"))))
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(package
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(name "american-fuzzy-lop")
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(version "1.86b") ;It seems all releases have the 'b' suffix
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(source
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(origin
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(method url-fetch)
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(uri (string-append "http://lcamtuf.coredump.cx/afl/releases/"
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"afl-" version ".tgz"))
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(sha256
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(base32
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"1by9ncf6lgcyibzqwyla34jv64sd66mn8zhgjz2pcgsds51qwn0r"))))
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(build-system gnu-build-system)
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(inputs
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`(("custom-qemu"
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;; The afl-qemu tool builds qemu 2.3.0 with a few patches applied.
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,(package (inherit qemu-headless)
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(name "afl-qemu")
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(inputs
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`(("afl-src" ,source)
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,@(package-inputs qemu-headless)))
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;; afl only supports using a single afl-qemu-trace executable, so
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;; we only build qemu for the native target.
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(arguments
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`(#:configure-flags
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(list (string-append "--target-list=" ,machine "-linux-user"))
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#:modules ((srfi srfi-1)
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,@%gnu-build-system-modules)
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,@(substitute-keyword-arguments (package-arguments qemu-headless)
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((#:phases qemu-phases)
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`(modify-phases ,qemu-phases
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(add-after
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'unpack 'apply-afl-patches
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(lambda* (#:key inputs #:allow-other-keys)
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(let* ((afl-dir (string-append "afl-" ,version))
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(patch-dir
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(string-append afl-dir
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"/qemu_mode/patches")))
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(unless (zero?
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(system* "tar" "xf"
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(assoc-ref inputs "afl-src")))
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(error "tar failed to unpack afl-src"))
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(copy-file (string-append patch-dir
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"/afl-qemu-cpu-inl.h")
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"./afl-qemu-cpu-inl.h")
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(copy-file (string-append afl-dir "/config.h")
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"./afl-config.h")
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(copy-file (string-append afl-dir "/types.h")
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"./types.h")
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(substitute* "afl-qemu-cpu-inl.h"
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(("\\.\\./\\.\\./config.h") "afl-config.h"))
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(substitute* (string-append patch-dir
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"/cpu-exec.diff")
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(("\\.\\./patches/") ""))
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(every (lambda (patch-file)
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(zero? (system* "patch" "--force" "-p1"
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"--input" patch-file)))
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(find-files patch-dir
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"\\.diff$"))))))))))))))
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(arguments
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`(#:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out"))
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"CC=gcc")
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#:phases (modify-phases %standard-phases
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(delete 'configure)
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(add-after
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;; TODO: Build and install the afl-llvm tool.
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'install 'install-qemu
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(lambda* (#:key inputs outputs #:allow-other-keys)
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(let ((qemu (assoc-ref inputs "custom-qemu"))
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(out (assoc-ref outputs "out")))
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(copy-file (string-append qemu "/bin/qemu-" ,machine)
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(string-append out "/bin/afl-qemu-trace"))
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#t)))
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(delete 'check))))
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(supported-systems (fold delete
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%supported-systems
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'("armhf-linux" "mips64el-linux")))
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(home-page "http://lcamtuf.coredump.cx/afl")
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(synopsis "Security-oriented fuzzer")
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(description
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"American fuzzy lop is a security-oriented fuzzer that employs a novel
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type of compile-time instrumentation and genetic algorithms to automatically
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discover clean, interesting test cases that trigger new internal states in the
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targeted binary. This substantially improves the functional coverage for the
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fuzzed code. The compact synthesized corpora produced by the tool are also
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useful for seeding other, more labor- or resource-intensive testing regimes
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down the road.")
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(license asl2.0))))
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