/usr/share/pyshared/d_rats/yencode.py is in d-rats 0.3.3-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | #!/usr/bin/python
#
# Copyright 2008 Dan Smith <dsmith@danplanet.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 3 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, see <http://www.gnu.org/licenses/>.
import sys
DEFAULT_BANNED = "\x11\x13\x1A\00\xFD\xFE\xFF"
OFFSET = 64
def yencode_buffer(buf, banned=None):
if not banned:
banned = DEFAULT_BANNED
banned += "="
out = ""
for char in buf:
if char in banned:
out += "=" + chr((ord(char) + OFFSET) % 256)
else:
out += char
return out
def ydecode_buffer(buf):
out = ""
i = 0
while i < len(buf):
char = buf[i]
if char == "=":
i += 1
v = ord(buf[i]) - OFFSET
if v < 0:
v += 256
out += chr(v)
else:
out += char
i += 1
return out
if __name__=="__main__":
import sys
f = file(sys.argv[2])
inbuf = f.read()
if sys.argv[1] == "-e":
sys.stdout.write(yencode_buffer(inbuf))
else:
sys.stdout.write(ydecode_buffer(inbuf))
f.close()
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