Ejemplo n.º 1
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    def search_next_text_region(self, query, result):
        """ searches for the next text region and updates query['period_number'] """
        ## Open all the disks
        filenames = query.getarray('filename')
        fds = [IO.open_URL(f) for f in filenames]
        if query.get('ismissing', False):
            fds.append(ParityFD(copy.deepcopy(filenames)))
        period_number = int(query.get('period_number', 0)) + 1
        blocksize = FlagFramework.calculate_offset_suffix(query['blocksize'])
        period = FlagFramework.calculate_offset_suffix(query['period'])

        p = 0
        while 1:
            offset = blocksize * (p + period_number * period)
            for fd in fds:
                fd.seek(offset)
                ## We classify a text region as one with 20 chars at
                ## the start of the period
                data = fd.read(20)
                if not data:
                    result.heading("Error")
                    result.para("Unable to read data from %r" % fd)
                    return

                m = self.text_re.match(data)
                if m:
                    period_number = period_number + p / period
                    query.set('period_number', period_number)
                    result.refresh(0, query, 'parent')
                    return

                p += 1
Ejemplo n.º 2
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 def __init__(self, filenames, offset):
     if type(filenames) == str:
         filenames = [
             filenames,
         ]
     fds = [IO.open_URL(filename) for filename in filenames]
     OffsettedFDFile.__init__(self, fds, offset)
Ejemplo n.º 3
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    def search_next_text_region(self, query, result):
        """ searches for the next text region and updates query['period_number'] """
        ## Open all the disks
        filenames = query.getarray('filename') 
        fds = [ IO.open_URL(f) for f in filenames ]
        if query.get('ismissing',False):
            fds.append(ParityFD(copy.deepcopy(filenames)))
        period_number = int(query.get('period_number',0)) + 1
        blocksize = FlagFramework.calculate_offset_suffix(query['blocksize'])
        period = FlagFramework.calculate_offset_suffix(query['period'])

        p=0
        while 1:
            offset = blocksize  * (p + period_number * period)
            for fd in fds:
                fd.seek(offset)
                ## We classify a text region as one with 20 chars at
                ## the start of the period
                data = fd.read(20)
                if not data:
                    result.heading("Error")
                    result.para("Unable to read data from %r" % fd)
                    return
                
                m = self.text_re.match(data)
                if m:
                    period_number = period_number + p / period
                    query.set('period_number',period_number)
                    result.refresh(0, query, 'parent')
                    return

                p += 1
Ejemplo n.º 4
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    def create(self, name,case, query):
        offset = FlagFramework.calculate_offset_suffix(query.get('offset','0'))
        filenames = self.glob_filenames(query.getarray('filename'))

        ## Open the io sources here
        fds = [ IO.open_URL(f) for f in filenames ]
        if query.get('ismissing',False):
            fds += [ParityFD(copy.deepcopy(filenames))]
        blocksize = FlagFramework.calculate_offset_suffix(query.get('blocksize','32k'))
        period = int(query.get('period',3))
        return RAIDFD(fds, blocksize, query['map'], offset, period)
Ejemplo n.º 5
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 def tree_cb(path):
     fd = IO.open_URL(query['file'])
     b = Buffer(fd = fd)
     header = RegFile.RegF(b)
     key = header.get_key(path)
     for k in key.keys():
         try:
             name = k['key_name'].get_value()
         except:
             name = None
         yield (name,name,'branch')
Ejemplo n.º 6
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 def read(self,length):
     fds = [ IO.open_URL(f) for f in self.filenames ]
     for fd in fds:
         fd.seek(self.readptr)
     data = False
     for fd in fds:
         if data == False:
             data = map(lambda x: ord(x), fd.read(length))
         else:
             data = map(lambda (x,y): x^y,zip(data,map(lambda z: ord(z), fd.read(length))))
     self.readptr += length
     return ''.join(map(lambda x: chr(x), data))
Ejemplo n.º 7
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 def read(self, length):
     fds = [IO.open_URL(f) for f in self.filenames]
     for fd in fds:
         fd.seek(self.readptr)
     data = False
     for fd in fds:
         if data == False:
             data = map(lambda x: ord(x), fd.read(length))
         else:
             data = map(lambda (x, y): x ^ y,
                        zip(data, map(lambda z: ord(z), fd.read(length))))
     self.readptr += length
     return ''.join(map(lambda x: chr(x), data))
Ejemplo n.º 8
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 def details(query,result):
     fd = IO.open_URL(query['file'])
     b = Buffer(fd = fd)
     header = RegFile.RegF(b)
     key = header.get_key(path)
     result.heading("Key %s" % path)
     result.text("%s" % key, font='typewriter', wrap='full')
     
     for v in key.values():
         try:
             name = "%s"%  v['keyname']
             result.heading("%s" % name)
             result.text("%s" % v, font='typewriter', wrap='full')
         except: pass
Ejemplo n.º 9
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        def map_popup(query, result):
            result.decoration = 'naked'
            try:
                map = str(query['map']).split('.')
            except KeyError:
                map = []

            result.start_form(query)
            ## Open all the disks
            filenames = query.getarray('filename')
            fds = [IO.open_URL(f) for f in filenames]

            if query.get('ismissing', False):
                fds += [ParityFD(copy.deepcopy(filenames))]
                filenames += ('Missing Disk', )

            uis = [result.__class__(result) for f in filenames]

            period_number = int(query.get('period_number', 0))
            blocksize = FlagFramework.calculate_offset_suffix(
                query['blocksize'])
            period = FlagFramework.calculate_offset_suffix(query['period'])
            logical_period_size = period * (len(fds) - 1)
            ## Let the user know our disk offset
            result.para("Disk Offset is %s (%s periods)" %
                        (blocksize * (period_number * period), period_number))

            if query.has_key("__submit__"):
                ## Build the new map variable
                query.clear('map')
                map = []
                for x in range(period * len(fds)):
                    map.append(query['position_%s' % x])
                    query.clear('position_%s' % x)

                query.set('map', '.'.join(map))
                ## Now check that this map is valid by instantiating a
                ## RAIDFD (we will raise if anything is wrong:
                try:
                    RAIDFD(fds, blocksize, query['map'], 0, period)
                    result.refresh(0, query, pane='parent')
                except Exception, e:
                    result.heading("Error with map")
                    result.para("%s" % e)

                return result
Ejemplo n.º 10
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        def map_popup(query,result):
            result.decoration = 'naked'
            try:
                map = str(query['map']).split('.')
            except KeyError:
                map = []

            result.start_form(query)
            ## Open all the disks
            filenames = query.getarray('filename') 
            fds = [ IO.open_URL(f) for f in filenames ]

            if query.get('ismissing',False):
                fds += [ParityFD(copy.deepcopy(filenames))]
                filenames += ('Missing Disk',)


            uis = [ result.__class__(result) for f in filenames ]

            period_number = int(query.get('period_number',0))
            blocksize = FlagFramework.calculate_offset_suffix(query['blocksize'])
            period = FlagFramework.calculate_offset_suffix(query['period'])
            logical_period_size = period * (len(fds)-1)
            ## Let the user know our disk offset
            result.para("Disk Offset is %s (%s periods)" %  (blocksize  * (period_number * period), period_number))

            if query.has_key("__submit__"):
                ## Build the new map variable
                query.clear('map')
                map = []
                for x in range(period * len(fds)):
                    map.append(query['position_%s' % x])
                    query.clear('position_%s' % x)
                    
                query.set('map', '.'.join(map))
                ## Now check that this map is valid by instantiating a
                ## RAIDFD (we will raise if anything is wrong:
                try:
                    RAIDFD(fds, blocksize, query['map'], 0, period)
                    result.refresh(0,query,pane='parent')
                except Exception,e:
                    result.heading("Error with map")
                    result.para("%s" % e)

                return result
Ejemplo n.º 11
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        def pane_cb(path, result):
            fd = IO.open_URL(query['file'])
            b = Buffer(fd=fd)
            header = RegFile.RegF(b)
            key = header.get_key(path)
            result.text("Timestamp: %s" % key['WriteTS'], style='red')
            result.start_table(**{'class': 'GeneralTable'})

            ## We dont want to reference the keys because we
            ## will leak memeory while the callback remains stored.
            def details(query, result):
                fd = IO.open_URL(query['file'])
                b = Buffer(fd=fd)
                header = RegFile.RegF(b)
                key = header.get_key(path)
                result.heading("Key %s" % path)
                result.text("%s" % key, font='typewriter', wrap='full')

                for v in key.values():
                    try:
                        name = "%s" % v['keyname']
                        result.heading("%s" % name)
                        result.text("%s" % v, font='typewriter', wrap='full')
                    except:
                        pass

            result.toolbar(cb=details,
                           text="Examine Details",
                           icon="examine.png")

            result.row('Type', 'Length', 'Name', 'Value',
                       **{'class': 'hilight'})
            for v in key.values():
                try:
                    t = "%s" % v['data']['val_type']
                    length = "%s" % v['data']['len_data']
                    name = "%s" % v['keyname']
                    data = "%s" % v['data']
                    data = RAW(data[:100])
                    result.row(t, length, name, data)
                except Exception, e:
                    print e
                    pass
Ejemplo n.º 12
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    def read_record(self, ignore_comment=True):
        """ Generates records.

        This can handle multiple files as provided in the constructor.
        """

        blank = re.compile("^\s*$")

        if self.datafile == None:
            raise IOError("Datafile is not set!!!")

        for file in self.datafile:
            ## open the file as a url:
            fd = IO.open_URL(file)
            buffer = ''
            while 1:
                if len(buffer) < 1024:
                    data = fd.read(1024)
                    buffer = buffer + data

                tmp = buffer.split("\n", 1)
                if len(tmp) == 0: break

                line = tmp[0]

                try:
                    buffer = tmp[1]
                except:
                    data = fd.read(1024)
                    if len(data) == 0:
                        break
                    buffer = line + data
                    continue

                if blank.match(line) or not line:
                    continue
                if line.startswith('#') and ignore_comment:
                    continue
                else:
                    yield line
Ejemplo n.º 13
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    def read_record(self, ignore_comment = True):
        """ Generates records.

        This can handle multiple files as provided in the constructor.
        """
        
        blank = re.compile("^\s*$")

        if self.datafile==None:
            raise IOError("Datafile is not set!!!")
        
        for file in self.datafile:
            ## open the file as a url:
            fd = IO.open_URL(file)
            buffer = ''
            while 1:
                if len(buffer) < 1024:
                    data = fd.read(1024)
                    buffer = buffer + data

                tmp = buffer.split("\n",1)
                if len(tmp) == 0: break

                line = tmp[0]
               
                try:
                    buffer = tmp[1]
                except:
                    data = fd.read(1024)
                    if len(data) == 0:
                        break
                    buffer = line + data
                    continue
                
                if blank.match(line) or not line:
                    continue
                if line.startswith('#') and ignore_comment:
                    continue
                else:
                    yield line
Ejemplo n.º 14
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        def pane_cb(path, result):
            fd = IO.open_URL(query['file'])
            b = Buffer(fd = fd)
            header = RegFile.RegF(b)
            key = header.get_key(path)
            result.text("Timestamp: %s" % key['WriteTS'], style='red')
            result.start_table(**{'class':'GeneralTable'})

            ## We dont want to reference the keys because we
            ## will leak memeory while the callback remains stored.
            def details(query,result):
                fd = IO.open_URL(query['file'])
                b = Buffer(fd = fd)
                header = RegFile.RegF(b)
                key = header.get_key(path)
                result.heading("Key %s" % path)
                result.text("%s" % key, font='typewriter', wrap='full')
                
                for v in key.values():
                    try:
                        name = "%s"%  v['keyname']
                        result.heading("%s" % name)
                        result.text("%s" % v, font='typewriter', wrap='full')
                    except: pass

            result.toolbar(cb = details, text = "Examine Details", icon = "examine.png")
            
            result.row('Type','Length','Name','Value', **{'class':'hilight'})
            for v in key.values():
                try:
                    t = "%s" % v['data']['val_type']
                    length = "%s" % v['data']['len_data']
                    name = "%s"%  v['keyname']
                    data = "%s" % v['data']
                    data = RAW(data[:100])
                    result.row(t,length,name,data)
                except Exception,e:
                    print e
                    pass
Ejemplo n.º 15
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 def __init__(self, filenames, offset):
     if type(filenames)==str:
         filenames = [ filenames,]
     fds = [ IO.open_URL(filename) for filename in filenames ]
     OffsettedFDFile.__init__(self, fds, offset)
Ejemplo n.º 16
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                m = self.text_re.match(data)
                if m:
                    period_number = period_number + p / period
                    query.set('period_number', period_number)
                    result.refresh(0, query, 'parent')
                    return

                p += 1

    def create(self, name, case, query):
        offset = FlagFramework.calculate_offset_suffix(query.get(
            'offset', '0'))
        filenames = self.glob_filenames(query.getarray('filename'))

        ## Open the io sources here
        fds = [IO.open_URL(f) for f in filenames]
        if query.get('ismissing', False):
            fds += [ParityFD(copy.deepcopy(filenames))]
        blocksize = FlagFramework.calculate_offset_suffix(
            query.get('blocksize', '32k'))
        period = int(query.get('period', 3))
        return RAIDFD(fds, blocksize, query['map'], offset, period)


import pyflag.tests
import pyflag.pyflagsh as pyflagsh


class RaidTest(pyflag.tests.ScannerTest):
    """ Test the RAID IOSource loader """
    test_case = "PyFlagTestCase"
Ejemplo n.º 17
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    def get_fields(self):
        if self.datafile==None:
            raise IOError("Datafile is not set!!!")

        print "Datafile %s" % (self.datafile,)
        
        for file in self.datafile:
            ## open the file as a url:
            fd = IO.open_URL(file)
            dbh = DB.DBO()
            buffer = Buffer(fd=fd)
            header = EVTLog.Header(buffer)
            buffer = buffer[header.size():]
             
            while 1:
                try:
                    event = EVTLog.Event(buffer)

                    source = event['Source'].get_value()
                    machine = event['Machine'].get_value()
                    
                    ## Find the filename for this source:
                    dbh.execute("select filename from EventMessageSources where source=%r", source)
                    row=dbh.fetch()
                    if row:
                        dbh.execute("select message from EventMessages where filename=%r and message_id=%r", (row['filename'], event['EventID'].get_value()))
                        row = dbh.fetch()
                        if row:
                            message=EVTLog.format_message(row['message'],event['Strings'])
                        ## Message not found
                        else:
                            message="Unable to find message format string (Maybe file was not loaded with --mode=dll?). Parameters are: %s" % event['Strings']
                        
                    ## Filename not found for this source:
                    else: message="Unable to locate file for source %s. Maybe you need to run EventLogTool with the --reg flag on the SYSTEM registry hive? Parameters are: %s " % (source,event['Strings'])


                    buffer=buffer[event.size():]
                    result = dict(
                        _time= "from_unixtime('%s')" % event['TimeGenerated'].get_value(),
                        message= message,
                        event = event['EventID'].get_value(),
                        Source = event['Source'].get_value(),
                        record = event['RecordNumber'].get_value(),
                        )
                    try:
                        result['arg1'] = event['Strings'][0].get_value()
                    except: pass

                    try:
                        result['arg2'] = event['Strings'][1].get_value()
                    except: pass

                    try:
                        result['arg3'] = event['Strings'][2].get_value()
                    except: pass
                    
                    yield result
                    
                except IOError:
                    break
Ejemplo n.º 18
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    def get_fields(self):
        if self.datafile == None:
            raise IOError("Datafile is not set!!!")

        print "Datafile %s" % (self.datafile, )

        for file in self.datafile:
            ## open the file as a url:
            fd = IO.open_URL(file)
            dbh = DB.DBO()
            buffer = Buffer(fd=fd)
            header = EVTLog.Header(buffer)
            buffer = buffer[header.size():]

            while 1:
                try:
                    event = EVTLog.Event(buffer)

                    source = event['Source'].get_value()
                    machine = event['Machine'].get_value()

                    ## Find the filename for this source:
                    dbh.execute(
                        "select filename from EventMessageSources where source=%r",
                        source)
                    row = dbh.fetch()
                    if row:
                        dbh.execute(
                            "select message from EventMessages where filename=%r and message_id=%r",
                            (row['filename'], event['EventID'].get_value()))
                        row = dbh.fetch()
                        if row:
                            message = EVTLog.format_message(
                                row['message'], event['Strings'])
                        ## Message not found
                        else:
                            message = "Unable to find message format string (Maybe file was not loaded with --mode=dll?). Parameters are: %s" % event[
                                'Strings']

                    ## Filename not found for this source:
                    else:
                        message = "Unable to locate file for source %s. Maybe you need to run EventLogTool with the --reg flag on the SYSTEM registry hive? Parameters are: %s " % (
                            source, event['Strings'])

                    buffer = buffer[event.size():]
                    result = dict(
                        _time="from_unixtime('%s')" %
                        event['TimeGenerated'].get_value(),
                        message=message,
                        event=event['EventID'].get_value(),
                        Source=event['Source'].get_value(),
                        record=event['RecordNumber'].get_value(),
                    )
                    try:
                        result['arg1'] = event['Strings'][0].get_value()
                    except:
                        pass

                    try:
                        result['arg2'] = event['Strings'][1].get_value()
                    except:
                        pass

                    try:
                        result['arg3'] = event['Strings'][2].get_value()
                    except:
                        pass

                    yield result

                except IOError:
                    break