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76 lines
1.6 KiB
76 lines
1.6 KiB
1 month ago
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#!/bin/sh
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#
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# american fuzzy lop - clang assembly normalizer
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# ----------------------------------------------
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#
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# Written and maintained by Michal Zalewski <lcamtuf@google.com>
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# The idea for this wrapper comes from Ryan Govostes.
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#
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# Copyright 2013, 2014 Google LLC All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# This 'as' wrapper should allow you to instrument unruly, hand-written
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# assembly with afl-as.
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#
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# Usage:
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#
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# export AFL_REAL_PATH=/path/to/directory/with/afl-as/
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# AFL_PATH=/path/to/this/directory/ make clean all
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if [ "$#" -lt "2" ]; then
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echo "[-] Error: this utility can't be called directly." 1>&2
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exit 1
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fi
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if [ "$AFL_REAL_PATH" = "" ]; then
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echo "[-] Error: AFL_REAL_PATH not set!" 1>&2
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exit 1
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fi
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if [ ! -x "$AFL_REAL_PATH/afl-as" ]; then
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echo "[-] Error: AFL_REAL_PATH does not contain the 'afl-as' binary." 1>&2
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exit 1
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fi
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unset __AFL_AS_CMDLINE __AFL_FNAME
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while [ ! "$#" = "0" ]; do
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if [ "$#" = "1" ]; then
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__AFL_FNAME="$1"
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else
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__AFL_AS_CMDLINE="${__AFL_AS_CMDLINE} $1"
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fi
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shift
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done
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test "$TMPDIR" = "" && TMPDIR=/tmp
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TMPFILE=`mktemp $TMPDIR/.afl-XXXXXXXXXX.s`
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test "$TMPFILE" = "" && exit 1
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clang -cc1as -filetype asm -output-asm-variant 0 "${__AFL_FNAME}" >"$TMPFILE"
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ERR="$?"
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if [ ! "$ERR" = "0" ]; then
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rm -f "$TMPFILE"
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exit $ERR
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fi
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"$AFL_REAL_PATH/afl-as" ${__AFL_AS_CMDLINE} "$TMPFILE"
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ERR="$?"
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rm -f "$TMPFILE"
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exit "$ERR"
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