/usr/sbin/sss_obfuscate is in sssd-tools 1.13.4-1ubuntu1.
This file is owned by root:root, with mode 0o755.
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 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | #!/usr/bin/python
from __future__ import print_function
import sys
from optparse import OptionParser
import pysss
import SSSDConfig
import getpass
def parse_options():
parser = OptionParser()
parser.set_description("sss_obfuscate converts a given password into \
human-unreadable format and places it into \
appropriate domain section of the SSSD config \
file. The password can be passed in by stdin, \
specified on the command-line or entered \
interactively")
parser.add_option("-s", "--stdin", action="store_true",
dest="stdin", default=False,
help="Read the password from stdin.")
parser.add_option("-d", "--domain",
dest="domain", default=None,
help="The domain to use the password in (mandatory)",
metavar="DOMNAME")
parser.add_option("-f", "--file",
dest="filename", default=None,
help="Set input file to FILE (default: Use system "
"default, usually /etc/sssd/sssd.conf)",
metavar="FILE")
(options, args) = parser.parse_args()
return options, args
def main():
options, args = parse_options()
if not options:
print("Cannot parse options", file=sys.stderr)
return 1
if not options.domain:
print("No domain specified", file=sys.stderr)
return 1
if not options.stdin:
try:
pprompt = lambda: (getpass.getpass("Enter password: "),
getpass.getpass("Re-enter password: "))
p1, p2 = pprompt()
# Work around bug in Python 2.6
if '\x03' in p1 or '\x03' in p2:
raise KeyboardInterrupt
while p1 != p2:
print('Passwords do not match. Try again')
p1, p2 = pprompt()
# Work around bug in Python 2.6
if '\x03' in p1 or '\x03' in p2:
raise KeyboardInterrupt
password = p1
except EOFError:
print('\nUnexpected end-of-file. Password change aborted',
file=sys.stderr)
return 1
except KeyboardInterrupt:
return 1
else:
try:
password = sys.stdin.read()
except KeyboardInterrupt:
return 1
# Obfuscate the password
obfobj = pysss.password()
obfpwd = obfobj.encrypt(password, obfobj.AES_256)
# Save the obfuscated password into the domain
try:
sssdconfig = SSSDConfig.SSSDConfig()
except IOError:
print("Cannot read internal configuration files.")
return 1
try:
sssdconfig.import_config(options.filename)
except IOError:
print("Permissions error reading config file")
return 1
try:
domain = sssdconfig.get_domain(options.domain)
except SSSDConfig.NoDomainError:
print("No such domain %s" % options.domain)
return 1
try:
domain.set_option('ldap_default_authtok_type', 'obfuscated_password')
domain.set_option('ldap_default_authtok', obfpwd)
except SSSDConfig.NoOptionError:
print("The domain %s does not seem to support the required options"
% options.domain)
return 1
sssdconfig.save_domain(domain)
try:
sssdconfig.write()
except IOError:
# File could not be written
print("Could not write to config file. Check that you have the "
"appropriate permissions to edit this file.", file=sys.stderr)
return 1
return 0
if __name__ == "__main__":
ret = main()
sys.exit(ret)
|