from k5test import *

# This file is intended to cover any password-changing mechanism.  For
# now it only contains a regression test for #7868.

realm = K5Realm(create_host=False, get_creds=False, start_kadmind=True)

# Mark a principal as expired and change its password through kinit.
realm.run([kadminl, 'modprinc', '-pwexpire', '1 day ago', 'user'])
pwinput = password('user') + '\nabcd\nabcd\n'
realm.run([kinit, realm.user_princ], input=pwinput)

# Do the same thing with FAST, with tracing turned on.
realm.run([kadminl, 'modprinc', '-pwexpire', '1 day ago', 'user'])
pwinput = 'abcd\nefgh\nefgh\n'
out, trace = realm.run([kinit, '-T', realm.ccache, realm.user_princ],
                       input=pwinput, return_trace=True)

# Read the trace and check that FAST was used when getting the
# kadmin/changepw ticket.
getting_changepw = fast_used_for_changepw = False
for line in trace.splitlines():
    if 'Getting initial credentials for user@' in line:
        getting_changepw_ticket = False
    if 'Setting initial creds service to kadmin/changepw' in line:
        getting_changepw_ticket = True
    if getting_changepw_ticket and 'Using FAST' in line:
        fast_used_for_changepw = True
if not fast_used_for_changepw:
    fail('FAST was not used to get kadmin/changepw ticket')

success('Password change tests')