--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/password/helpers/chpass-wrapper.py	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+import sys
+import pwd
+import subprocess
+
+BLACKLIST = (
+    # add blacklisted users here
+    #'user1',
+)
+
+try:
+    username, password = sys.stdin.readline().split(':', 1)
+except ValueError, e:
+    sys.exit('Malformed input')
+
+try:
+    user = pwd.getpwnam(username)
+except KeyError, e:
+    sys.exit('No such user: %s' % username)
+
+if user.pw_uid < 1000:
+    sys.exit('Changing the password for user id < 1000 is forbidden')
+
+if username in BLACKLIST:
+    sys.exit('Changing password for user %s is forbidden (user blacklisted)' %
+             username)
+
+handle = subprocess.Popen('/usr/sbin/chpasswd', stdin = subprocess.PIPE)
+handle.communicate('%s:%s' % (username, password))
+
+sys.exit(handle.returncode)