/usr/share/doc/python-m2crypto/examples/x509/proxy_destroy.py is in python-m2crypto 0.22.6~rc4-1ubuntu1.
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 | #!/usr/bin/env python
############################################################################
# Matt Rodriguez, LBNL MKRodriguez@lbl.gov
############################################################################
"""
Script that destroys a proxy certificate file by overwriting its contents
before the file is removed
"""
import proxylib
import optparse, os
USAGEHELP = "proxy_destroy.py file1 file2 Destroys files listed"
JUNK = "LalalAlalaLalalALalalAlalaLalalALalalAlalaLalalALalalAlalaLalalA"
def scrub_file(filename):
"""
Overwrite the file with junk, before removing it
"""
s = os.stat(filename)
proxy_file = file(filename, "w")
size = s.st_size
while size > 64:
proxy_file.write(JUNK)
size -= 64
proxy_file.flush()
proxy_file.close()
os.remove(filename)
def main():
parser = optparse.OptionParser()
parser.set_usage(USAGEHELP)
opts, args = parser.parse_args()
if len(args) is 0:
proxy_file = proxylib.get_proxy_filename()
scrub_file(proxy_file)
for proxy_file in args:
scrub_file(proxy_file)
if __name__ == "__main__": main()
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