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171 lines
5.0 KiB
171 lines
5.0 KiB
#!/bin/sh
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#
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# american fuzzy lop - Advanced Persistent Graphing
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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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# Based on a design & prototype by Michael Rash.
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#
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# Copyright 2014, 2015 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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echo "progress plotting utility for afl-fuzz by <lcamtuf@google.com>"
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echo
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if [ ! "$#" = "2" ]; then
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cat 1>&2 <<_EOF_
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This program generates gnuplot images from afl-fuzz output data. Usage:
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$0 afl_state_dir graph_output_dir
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The afl_state_dir parameter should point to an existing state directory for any
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active or stopped instance of afl-fuzz; while graph_output_dir should point to
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an empty directory where this tool can write the resulting plots to.
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The program will put index.html and three PNG images in the output directory;
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you should be able to view it with any web browser of your choice.
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_EOF_
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exit 1
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fi
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if [ "$AFL_ALLOW_TMP" = "" ]; then
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echo "$1" | grep -qE '^(/var)?/tmp/'
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T1="$?"
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echo "$2" | grep -qE '^(/var)?/tmp/'
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T2="$?"
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if [ "$T1" = "0" -o "$T2" = "0" ]; then
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echo "[-] Error: this script shouldn't be used with shared /tmp directories." 1>&2
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exit 1
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fi
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fi
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if [ ! -f "$1/plot_data" ]; then
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echo "[-] Error: input directory is not valid (missing 'plot_data')." 1>&2
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exit 1
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fi
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BANNER="`cat "$1/fuzzer_stats" | grep '^afl_banner ' | cut -d: -f2- | cut -b2-`"
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test "$BANNER" = "" && BANNER="(none)"
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GNUPLOT=`which gnuplot 2>/dev/null`
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if [ "$GNUPLOT" = "" ]; then
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echo "[-] Error: can't find 'gnuplot' in your \$PATH." 1>&2
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exit 1
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fi
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mkdir "$2" 2>/dev/null
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if [ ! -d "$2" ]; then
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echo "[-] Error: unable to create the output directory - pick another location." 1>&2
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exit 1
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fi
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rm -f "$2/high_freq.png" "$2/low_freq.png" "$2/exec_speed.png"
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mv -f "$2/index.html" "$2/index.html.orig" 2>/dev/null
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echo "[*] Generating plots..."
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(
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cat <<_EOF_
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set terminal png truecolor enhanced size 1000,300 butt
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set output '$2/high_freq.png'
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set xdata time
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set timefmt '%s'
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set format x "%b %d\n%H:%M"
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set tics font 'small'
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unset mxtics
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unset mytics
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set grid xtics linetype 0 linecolor rgb '#e0e0e0'
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set grid ytics linetype 0 linecolor rgb '#e0e0e0'
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set border linecolor rgb '#50c0f0'
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set tics textcolor rgb '#000000'
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set key outside
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set autoscale xfixmin
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set autoscale xfixmax
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plot '$1/plot_data' using 1:4 with filledcurve x1 title 'total paths' linecolor rgb '#000000' fillstyle transparent solid 0.2 noborder, \\
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'' using 1:3 with filledcurve x1 title 'current path' linecolor rgb '#f0f0f0' fillstyle transparent solid 0.5 noborder, \\
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'' using 1:5 with lines title 'pending paths' linecolor rgb '#0090ff' linewidth 3, \\
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'' using 1:6 with lines title 'pending favs' linecolor rgb '#c00080' linewidth 3, \\
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'' using 1:2 with lines title 'cycles done' linecolor rgb '#c000f0' linewidth 3
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set terminal png truecolor enhanced size 1000,200 butt
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set output '$2/low_freq.png'
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plot '$1/plot_data' using 1:8 with filledcurve x1 title '' linecolor rgb '#c00080' fillstyle transparent solid 0.2 noborder, \\
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'' using 1:8 with lines title ' uniq crashes' linecolor rgb '#c00080' linewidth 3, \\
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'' using 1:9 with lines title 'uniq hangs' linecolor rgb '#c000f0' linewidth 3, \\
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'' using 1:10 with lines title 'levels' linecolor rgb '#0090ff' linewidth 3
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set terminal png truecolor enhanced size 1000,200 butt
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set output '$2/exec_speed.png'
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plot '$1/plot_data' using 1:11 with filledcurve x1 title '' linecolor rgb '#0090ff' fillstyle transparent solid 0.2 noborder, \\
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'$1/plot_data' using 1:11 with lines title ' execs/sec' linecolor rgb '#0090ff' linewidth 3 smooth bezier;
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_EOF_
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) | gnuplot
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if [ ! -s "$2/exec_speed.png" ]; then
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echo "[-] Error: something went wrong! Perhaps you have an ancient version of gnuplot?" 1>&2
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exit 1
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fi
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echo "[*] Generating index.html..."
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cat >"$2/index.html" <<_EOF_
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<table style="font-family: 'Trebuchet MS', 'Tahoma', 'Arial', 'Helvetica'">
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<tr><td style="width: 18ex"><b>Banner:</b></td><td>$BANNER</td></tr>
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<tr><td><b>Directory:</b></td><td>$1</td></tr>
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<tr><td><b>Generated on:</b></td><td>`date`</td></tr>
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</table>
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<p>
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<img src="high_freq.png" width=1000 height=300><p>
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<img src="low_freq.png" width=1000 height=200><p>
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<img src="exec_speed.png" width=1000 height=200>
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_EOF_
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# Make it easy to remotely view results when outputting directly to a directory
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# served by Apache or other HTTP daemon. Since the plots aren't horribly
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# sensitive, this seems like a reasonable trade-off.
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chmod 755 "$2"
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chmod 644 "$2/high_freq.png" "$2/low_freq.png" "$2/exec_speed.png" "$2/index.html"
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echo "[+] All done - enjoy your charts!"
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exit 0
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