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#!/usr/bin/python3
import sys
import PAM
from getpass import getpass
def pam_conv(auth, query_list, userData):
resp = []
for i in range(len(query_list)):
query, type = query_list[i]
if type == PAM.PAM_PROMPT_ECHO_ON:
val = raw_input(query)
resp.append((val, 0))
elif type == PAM.PAM_PROMPT_ECHO_OFF:
val = getpass(query)
resp.append((val, 0))
elif type == PAM.PAM_ERROR_MSG or type == PAM.PAM_TEXT_INFO:
print(query)
resp.append(('', 0))
else:
return None
return resp
service = 'passwd'
if len(sys.argv) == 2:
user = sys.argv[1]
else:
user = None
auth = PAM.pam()
auth.start(service)
if user != None:
auth.set_item(PAM.PAM_USER, user)
auth.set_item(PAM.PAM_CONV, pam_conv)
try:
auth.authenticate()
auth.acct_mgmt()
except PAM.error as resp:
print('Go away! (%s)' % resp)
except:
print('Internal error')
else:
print('Good to go!')
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