114 lines
3.3 KiB
Python
Executable File
114 lines
3.3 KiB
Python
Executable File
#!/usr/bin/python
|
|
"""
|
|
Scyther : An automatic verifier for security protocols.
|
|
Copyright (C) 2007-2012 Cas Cremers
|
|
|
|
This program 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 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
"""
|
|
|
|
#
|
|
# Convert scyther dot output to a printable PDF and display it
|
|
#
|
|
# This is a simple hack to be able to quickly use the graphical output
|
|
# of Scyther if one only has graphviz, but not elementtree and wxPython.
|
|
#
|
|
# Note 1: only works under Linux currently, because of silly assumptions
|
|
# on temporary directories and pdf viewers.
|
|
#
|
|
# Note 2: this code assumes that both scyther-linux and dot can be found in the
|
|
# environment (i.e. PATH variable)
|
|
#
|
|
import os,sys,commands
|
|
import os.path
|
|
|
|
tempcount = 0
|
|
|
|
def generateTemp(extension='tmp'):
|
|
# We need a temporary file to hold the generated postscript stuff before
|
|
# it is converted to pdf
|
|
global tempcount
|
|
|
|
tempcount = tempcount + 1
|
|
tmp = '/tmp/output_dot_%s_%i.%s' % (os.getpid(),tempcount,extension)
|
|
|
|
try:
|
|
os.unlink(tmp)
|
|
except:
|
|
pass
|
|
return tmp
|
|
|
|
def scyther_to_dotfile():
|
|
""" Run Scyther, return dotfile name """
|
|
|
|
mydir = os.path.dirname(__file__)
|
|
scythername = os.path.join(mydir, "../Scyther/scyther-linux")
|
|
|
|
args = " ".join(sys.argv[1:])
|
|
tmpdotfile = generateTemp('dot')
|
|
|
|
command = "%s --plain --dot-output %s > %s" % (scythername, args, tmpdotfile)
|
|
output = commands.getoutput(command)
|
|
return (output,tmpdotfile)
|
|
|
|
def dotfile_to_pdffile(dotfile,outfile=None):
|
|
""" Generate a PDF file (name is returned) from an input dotfile
|
|
name """
|
|
|
|
tmp = generateTemp('ps')
|
|
|
|
# First split the input per digraph and call dot with -Gsize arguments to make
|
|
# it fit to a landscape page
|
|
dotdata = open(dotfile, "r")
|
|
f = None
|
|
for line in dotdata.xreadlines():
|
|
if (line.find('digraph') == 0):
|
|
f = os.popen("dot -Gsize='11.0,8.0' -Gratio=fill -Tps >>%s" % (tmp),'w')
|
|
print >>f, line
|
|
dotdata.close()
|
|
|
|
if not f:
|
|
return None
|
|
f.close()
|
|
|
|
if not outfile:
|
|
outfile = generateTemp('pdf')
|
|
|
|
# Now convert the resulting stuff to a pdf
|
|
os.system('ps2pdf -sPAPERSIZE=a4 -g7014x5300 -r600 %s %s' % (tmp,outfile))
|
|
#os.system('ps2pdf -g8300x6250 -r600 %s %s' % (tmp,outf))
|
|
|
|
# And remove the temp file
|
|
os.unlink(tmp)
|
|
|
|
return outfile
|
|
|
|
def main():
|
|
(output,dotfile) = scyther_to_dotfile()
|
|
print output
|
|
pdffile = dotfile_to_pdffile(dotfile)
|
|
os.unlink(dotfile)
|
|
if pdffile:
|
|
commands.getoutput("kpdf %s" % pdffile)
|
|
os.unlink(pdffile)
|
|
else:
|
|
print "No graphs generated."
|
|
|
|
if __name__ == '__main__':
|
|
if len(sys.argv) > 1:
|
|
main()
|
|
else:
|
|
print "Please provide the name of an input file."
|
|
|