forked from osmocom/wireshark
119 lines
3.1 KiB
Python
Executable File
119 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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Check the sanity of field definitions in Wireshark.
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"""
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#
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# Gilbert Ramirez <gram [AT] alumni.rice.edu>
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#
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# Wireshark - Network traffic analyzer
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# By Gerald Combs <gerald@wireshark.org>
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# Copyright 1998 Gerald Combs
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import sys
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try:
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from optparse import OptionParser
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except ImportError:
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sys.exit("Need python 2.3.")
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try:
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import commands
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except ImportError:
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sys.exit("Need to run on Unix.")
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errors = 0
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class Proto:
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"""Data for a protocol."""
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def __init__(self, line):
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data = line.split("\t")
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assert len(data) == 3
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assert data[0] == "P"
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self.name = data[1]
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self.abbrev = data[2]
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class Field:
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"""Data for a field."""
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def __init__(self, line):
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data = line.split("\t")
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assert len(data) == 8
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assert data[0] == "F"
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self.name = data[1]
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self.abbrev = data[2]
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self.ftype = data[3]
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self.parent = data[4]
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self.blurb = data[5]
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self.base = data[6]
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self.bitmask = int(data[7],0)
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def gather_data(tshark):
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"""Calls tshark and gathers data."""
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cmd = "%s -G fields3" % (tshark,)
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(status, output) = commands.getstatusoutput(cmd)
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if status != 0:
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sys.exit("Failed: " + cmd)
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lines = output.split("\n")
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protos = [Proto(x) for x in lines if x[0] == "P"]
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fields = [Field(x) for x in lines if x[0] == "F"]
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return protos, fields
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def check_fields(fields):
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"""Looks for problems in field definitions."""
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global errors
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for field in fields:
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if field.bitmask != 0:
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if field.ftype.find("FT_UINT") != 0 and \
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field.ftype.find("FT_INT") != 0 and \
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field.ftype != "FT_BOOLEAN":
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print "%s has a bitmask 0x%x but is type %s" % \
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(field.abbrev, field.bitmask, field.ftype)
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errors += 1
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def run(tshark):
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"""Run the tests."""
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global errors
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protos, fields = gather_data(tshark)
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check_fields(fields)
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if errors > 0:
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sys.exit("%d errors found" % (errors,))
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else:
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print "Success."
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def main():
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"""Parse the command-line."""
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usage = "%prog tshark"
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parser = OptionParser(usage=usage)
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(options, args) = parser.parse_args()
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if len(args) != 1:
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parser.error("Need location of tshark.")
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run(args[0])
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if __name__ == "__main__":
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main()
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