/usr/bin/plot-md5 is in rdd 2.0.7-2+b1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | #!/usr/bin/env python
# Copyright (c) 2002 - 2006, Netherlands Forensic Institute
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the Institute nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
import getopt, os, re, string, sys
KBYTE = 1024
DEFAULT_BLOCKSIZE = 256 * KBYTE
infile = None
outfile = None
title = None
debug = 0
def error(msg):
sys.stderr.write(msg + "\n")
sys.exit(1)
def warn(msg):
sys.stderr.write(msg + "\n")
def usage():
sys.stderr.write("Usage: plot-md5.py <options> infile\n"
+ "\t-o <output file>\n"
+ "\t-t <title>\n"
)
sys.exit(1)
def commandLine():
global debug, infile, outfile, title
opts, args = getopt.getopt(sys.argv[1:], "do:t:")
for opt, val in opts:
if opt == "-d":
debug = 1
elif opt == "-o":
outfile = val
elif opt == "-t":
title = val
if len(args) == 1:
infile, = args
else:
usage()
def readHashes(path):
hashes = {}
fp = file(path, "r")
for line in fp:
line = line.strip()
id, md5 = line.split()
if not (md5 in hashes):
hashes[md5] = 1
else:
hashes[md5] += 1
fp.close()
return hashes
def byCount((m1, c1), (m2, c2)):
return cmp(c1, c2)
def plot(hashes, outfile, title):
if outfile == None:
outfile = "/dev/null"
persist = 1
output = "x11"
else:
persist = 0
output = "png"
if title == None:
title = infile
if debug:
fp = sys.stdout
elif persist:
fp = os.popen("gnuplot -persist >%s" % outfile, "w")
else:
fp = os.popen("gnuplot >%s" % outfile, "w")
fp.write("set title \"%s\"\n" % title)
fp.write("set nokey\n")
fp.write("set terminal %s\n" % output)
fp.write("set xzeroaxis\n")
fp.write("set xlabel \"MD5 values\"\n")
fp.write("set ylabel \"Blocks covered\"\n")
fp.write("set xrange [0:]\n")
fp.write("plot \"-\" using ($0 + 1):1 with linespoints\n")
items = hashes.items()
items.sort(byCount)
cum = 0
for md5, count in items:
assert count > 0
cum += count
fp.write("%u\n" % cum)
# print md5, count
fp.close()
def main():
commandLine()
hashes = readHashes(infile);
plot(hashes, outfile, title)
if __name__ == "__main__": main()
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