Linux password manipulation in Python
staschuk at telusplanet.net
Tue Mar 18 02:46:04 CET 2003
Quoth Gary Herron:
> How does one deal with encrypted passwords on a Linux system which
> uses shadow passwords?
> The 'crypt' module has an example in its documentation of encrypting a
> password (and then comparing to the contents of the /etc/passwd file),
> but that example explicitly states it does not support shadow
> passwords. And when I use crypt to encrypt a known password, I do not
> get anything like the contents of the /etc/shadow file.
The example repudiates support for shadow passwords just because
that script doesn't go looking into /etc/shadow (and presumably
the user running it does not have the privileges to), not
necessarily because of a difference in algorithm.
FWIW, crypt.crypt does, on my machine, produce exactly what I find
in the /etc/shadow file:
# grep ^sjt /etc/shadow
>>> crypt.crypt('foobar', '1M')
(Temporary password for illustrative purposes, obviously.)
Steven Taschuk staschuk at telusplanet.net
"Its force is immeasurable. Even Computer cannot determine it."
-- _Space: 1999_ episode "Black Sun"
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