un 

[R] 

String 

The user name of the user whose password should be changed. 

op 

[O/R] 

String 

The old plaintext password.  

oep 

[O/R] 

String 

The old encoded password. 

np 

[O/R] 

String 

The new plaintext password. 

nep 

[O/R] 

String 

The new encoded password.