Add zipany format. v1.6

This commit is contained in:
ben
2018-09-29 23:37:54 +02:00
parent 200508be7f
commit 875747ad7a
4 changed files with 61 additions and 8 deletions

View File

@@ -5,4 +5,5 @@ from .polyglotpdfzip import PolyglotPdfZip
from .polyglotpdfany import PolyglotPdfAny
from .polyglotzippdf import PolyglotZipPdf
from .polyglotszippdf import PolyglotSZipPdf
from .polyglotzipany import PolyglotZipAny

View File

@@ -34,8 +34,6 @@ class PolyglotPdfAny():
with open(payload2filename, "rb") as f:
self.payload2 = f.read()
self.buffer = bytearray()
def generate(self):
k2stream = self.payload1
if len(k2stream) > 0:

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@@ -0,0 +1,42 @@
# -*- coding: utf-8 -*-
import logging
'''
|-------------------------------| -
|---------- Payload 1 ----------K1 | J1
|-------------------------------| -
|---- ZIP Local File Header ----K2 |
|-------------------------------| -
|---------- Payload 2-----------K3 | J2
|-------------------------------| -
|---- ZIP Central Directory ----K4 |
|-------------------------------| |
|--- End of Central Directory --K5 |
|-------------------------------| |
'''
class PolyglotZipAny():
from ZipFileTransformer import Zip
def __init__(self, Zip, payload1filename, payload2filename):
self.buffer = bytearray()
self.zip = Zip
self.payload1 = bytearray()
if payload1filename is not None:
with open(payload1filename, "rb") as f:
self.payload1 = f.read()
self.payload2 = bytearray()
if payload2filename is not None:
with open(payload2filename, "rb") as f:
self.payload2 = f.read()
def generate(self):
self.zip.add_data_to_file(self.payload1, self.payload2, True)
self.buffer = self.zip.buffer
def write(self, filename):
fd = open(filename, "wb")
fd.write(self.buffer)
fd.close()

View File

@@ -10,6 +10,8 @@ from PolyglotFile import PolyglotZipPdf
from PolyglotFile import PolyglotPdfZip
from PolyglotFile import PolyglotSZipPdf
from PolyglotFile import PolyglotPdfAny
from PolyglotFile import PolyglotZipAny
def main():
@@ -19,13 +21,18 @@ def main():
'* zippdf: Generate a file valid as ZIP and PDF.' +
' The format is closest to ZIP.\n' +
'* szippdf: Generate a file valid as ZIP and PDF.' +
' The format is strictly a ZIP.' +
' The format is strictly a ZIP.\n' +
' Archive is modified.\n' +
'* pdfany: Generate a valid PDF file with payload1' +
' file content as first object or/and payload2 file' +
' content as last oject.\n')
' file content as first object\n' +
' or/and payload2 file' +
' content as last oject.\n' +
'* zipany: Generate a valid ZIP file with payload1' +
' file content at start of file\n' +
' or/and payload2 file content beetween' +
' LFH and CD.\n')
usage_str = '%(prog)s format [options] output-file'
epilog_str = 'TruePolyglot v1.5.3'
epilog_str = 'TruePolyglot v1.6'
frm = argparse.RawTextHelpFormatter
parser = argparse.ArgumentParser(description=description_str,
epilog=epilog_str,
@@ -34,7 +41,8 @@ def main():
parser.add_argument('format', nargs='+', choices=["pdfzip",
"zippdf",
"szippdf",
"pdfany"],
"pdfany",
"zipany"],
help='Output polyglot format')
parser.add_argument('--pdffile', dest='pdffile',
help='PDF input file')
@@ -91,6 +99,10 @@ def main():
if args.format[0] == "pdfany":
p = Pdf(args.pdffile)
a = PolyglotPdfAny(p, args.payload1file, args.payload2file)
if args.format[0] == "zipany":
z = Zip(args.zipfile)
a = PolyglotZipAny(z, args.payload1file, args.payload2file)
a.generate()
a.write(args.output_file[0])