Misc: Added Python script to dump attack outputs for large sets of files.

For now, some parameters are hardcoded.

In the long term this functionality should be incorporated into the Scyther library directly, as
a method of Claim objects.

gui/generate-attack-graphs.py

@@ -0,0 +1,123 @@
+#!/usr/bin/env 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.
+"""
+
+"""
+Generate attacks for each claim
+"""
+
+#---------------------------------------------------------------------------
+
+""" Import externals """
+import sys
+
+#---------------------------------------------------------------------------
+
+""" Import scyther components """
+import Scyther.Scyther as Scyther
+
+#---------------------------------------------------------------------------
+
+def create_file_prefix(fn,cid):
+    """
+    Create a filename prefix for fn,cid without extension
+    """
+
+    tcid = cid
+    i = tcid.rfind(",")
+    if i > 0:
+        if fn.find(tcid[:i]) >= 0:
+            tcid = tcid[i+1:]
+
+    tfn = fn.replace(".spdl","")
+    i = tfn.rfind("/")
+    if i >= 0:
+        tfn = tfn[i+1:]
+
+    pref = "%s-%s" % (tfn,tcid)
+    pref = pref.replace(",","_")
+
+    return pref
+
+
+def render_dot(fn,gtype):
+    """
+    Render .dot file called fn into gtype file
+    """
+    from subprocess import call
+
+    if len(gtype) > 5:
+        # Something is fishy, abort
+        return
+
+    base_name = fn
+    i = base_name.rfind(".")
+    if i > 0:
+        base_name = base_name[:i]
+
+    cmd = ["dot","-T" + gtype,"-o%s.%s" % (base_name,gtype),fn]
+    print cmd
+
+    call(cmd)
+
+
+def render_best_attack(fn,cid):
+    """
+    Extract the best attack for this claim and file name
+    """
+    x = Scyther.Scyther()
+    x.setFile(fn)
+
+    x.options = "-r4 -T60"
+    x.verifyOne(cid)
+
+    pref = create_file_prefix(fn,cid)
+
+    for cl in x.claims:
+        if len(cl.attacks) > 0:
+            cln = cl.claimtype
+            if cln == "Commit":
+                cln = "Data_agree"
+            dotfile = "attack-%s-%s.dot" % (pref,cln)
+            fp = open(dotfile,'w')
+            fp.write(cl.attacks[-1].scytherDot)
+            fp.close()
+
+            render_dot(dotfile,"png")
+            render_dot(dotfile,"pdf")
+
+def main():
+
+    filelist = sys.argv[1:]
+    # Compute dict of filenames to claim id's
+    cl = Scyther.GetClaims(filelist)
+    
+    for fn in set(cl):
+        for cid in cl[fn]:
+            print fn,cid
+
+            render_best_attack(fn,cid)
+
+
+
+if __name__ == '__main__':
+    main()
+
+#---------------------------------------------------------------------------
+# vim: set ts=4 sw=4 et list lcs=tab\:>-: