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Removed pack and unpack Python utilities. 

They're basically obsolete, after all.
This commit is contained in:
onpon4 2015-02-26 11:12:08 -05:00
parent 9aefba0bbe
commit 52266bf70e
2 changed files with 0 additions and 106 deletions
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36
pack.py
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#!/usr/bin/env python
# pack.py - pack files into a Parallel Realities Starfighter .pak file
# Copyright (C) 2006 Josh Triplett <josh@freedesktop.org
#
# 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; version 2 of the License only.
#
# 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.
import struct, sys
def pack(pak, files):
pak.write("PACK")
for f in files:
data = f.read()
pak.write(f.name + "\x00"*(56-len(f.name)))
pak.write(struct.pack("<I", len(data)))
pak.write(data)
def main(args):
try:
pak = args[1]
return pack(file(pak, "wb"), [file(filename) for filename in args[2:]])
except IndexError:
print "Usage: pack filename.pak files..."
except (IOError, OSError), e:
print e
return 1
__all__ = ["pack"]
if __name__ == "__main__": sys.exit(main(sys.argv))

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unpack.py
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#!/usr/bin/env python
# unpack.py - unpack files from a Parallel Realities Starfighter .pak file
# Copyright (C) 2006 Josh Triplett <josh@freedesktop.org
#
# 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; version 2 of the License only.
#
# 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.
import os, struct, sys
class PakException(Exception): pass
class BadMagic(PakException):
def __init__(self, pak):
PakException.__init__(self,
'%s: not a pack file (does not start with "PACK")' % pak.name)
class ShortRead(PakException):
def __init__(self, pak):
PakException.__init__(self, '%s: file corrupt (short read)' % pak.name)
class PathTraversal(PakException):
def __init__(self, pak, filename):
PakException.__init__(self,
'%s: attempted directory traversal with filename "%s"'
% (pak.name, filename))
def full_read(pak, size):
data = pak.read(size)
if len(data) != size: raise ShortRead(pak)
return data
def unpack(pak):
pwd = os.getcwd()
if full_read(pak, 4) != "PACK": raise BadMagic(pak)
while True:
filename = pak.read(56)
if filename == "": break # End of file
elif len(filename) < 56: raise ShortRead(pak)
filename = filename.split("\x00")[0]
(size,) = struct.unpack("<I", full_read(pak, 4))
data = full_read(pak, size)
dirname = os.path.abspath(os.path.dirname(filename))
if(not(dirname.startswith(pwd))):
raise PathTraversal(pak, filename)
try: os.makedirs(dirname)
except OSError, e:
if e.errno != 17: raise # Ignore "file exists"
out = file(filename, "w+")
out.write(data)
out.close()
def main(args):
try:
pak = args[1]
return unpack(file(pak, "rb"))
except IndexError:
print "Usage: unpack filename.pak"
except (IOError, OSError, PakException), e:
print e
return 1
__all__ = ["unpack", "PakException", "BadMagic", "ShortRead", "PathTraversal"]
if __name__ == "__main__": sys.exit(main(sys.argv))