sqlmap/extra/cloak/cloak.py
2019-03-28 22:54:05 +01:00

91 lines
2.3 KiB
Python

#!/usr/bin/env python
"""
cloak.py - Simple file encryption/compression utility
Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
from __future__ import print_function
import os
import struct
import sys
import zlib
from optparse import OptionError
from optparse import OptionParser
if sys.version_info >= (3, 0):
xrange = range
def hideAscii(data):
retVal = b""
for i in xrange(len(data)):
value = data[i] if isinstance(data[i], int) else ord(data[i])
retVal += struct.pack('B', value ^ (127 if value < 128 else 0))
return retVal
def cloak(inputFile=None, data=None):
if data is None:
with open(inputFile, "rb") as f:
data = f.read()
return hideAscii(zlib.compress(data))
def decloak(inputFile=None, data=None):
if data is None:
with open(inputFile, "rb") as f:
data = f.read()
try:
data = zlib.decompress(hideAscii(data))
except Exception as ex:
print(ex)
print('ERROR: the provided input file \'%s\' does not contain valid cloaked content' % inputFile)
sys.exit(1)
finally:
f.close()
return data
def main():
usage = '%s [-d] -i <input file> [-o <output file>]' % sys.argv[0]
parser = OptionParser(usage=usage, version='0.1')
try:
parser.add_option('-d', dest='decrypt', action="store_true", help='Decrypt')
parser.add_option('-i', dest='inputFile', help='Input file')
parser.add_option('-o', dest='outputFile', help='Output file')
(args, _) = parser.parse_args()
if not args.inputFile:
parser.error('Missing the input file, -h for help')
except (OptionError, TypeError) as ex:
parser.error(ex)
if not os.path.isfile(args.inputFile):
print('ERROR: the provided input file \'%s\' is non existent' % args.inputFile)
sys.exit(1)
if not args.decrypt:
data = cloak(args.inputFile)
else:
data = decloak(args.inputFile)
if not args.outputFile:
if not args.decrypt:
args.outputFile = args.inputFile + '_'
else:
args.outputFile = args.inputFile[:-1]
f = open(args.outputFile, 'wb')
f.write(data)
f.close()
if __name__ == '__main__':
main()