This program will read /etc/passwd info and output user who can do aproper login.
$ python user_finder.py
A link to the source code.
['root', 'm0rin09ma3', 'git']
In the main function, use regular expression to filter out users who has /bin/false or /sbin/nologin default shell. Then output the rest of users.
all_user = pwd.getpwall() #print all_user notvalid = re.compile('.*/(nologin|false)') print [user.pw_name for user in all_user if not notvalid.match(user.pw_s hell)]