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#
# Registry Decoder
# Copyright (c) 2011 Digital Forensics Solutions, LLC
#
# Contact email:  registrydecoder@digitalforensicssolutions.com
#
# Authors:
# Andrew Case       - andrew@digitalforensicssolutions.com
# Lodovico Marziale - vico@digitalforensicssolutions.com
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
#

import regkey
import regvalue        
import pyregfi


class RegFile:

    '''
    DOCME
    '''

    def __init__(self, regfile):
        self.regfile = regfile

    def get_keygen(self):

        reghive = pyregfi.openHive(self.regfile)
        regiter = pyregfi.HiveIterator(reghive)

        for key in regiter:
            path_list = []
            for val in regiter.current_path():
                path_list.append(val)
            value_list = []
            for val in key.values:

                data = val.fetch_data()

                if not data:
                    data = val.fetch_raw_data()

                v = regvalue.Value(val.name, val.type, data)
                value_list.append(v)
            yield regkey.RegKeyNK(path_list, value_list, key.modified)
        
            
# for now, give me a registry file and I will try to parse some stuff out
def main():
    
    if len(sys.argv) != 2:
        usage()
        sys.exit()
    
    regfile = RegFile(sys.argv[1])
        
    generator = regfile.get_keygen()
    for key in generator:
        print key


if __name__ == "__main__":
    main()