The
pam_sm_chauthtok function returns one of the following values:
[PAM_ABORT]
General failure.
[PAM_AUTHTOK_DISABLE_AGING]
Authentication token aging disabled.
[PAM_AUTHTOK_ERR]
Authentication token failure.
[PAM_AUTHTOK_LOCK_BUSY]
Authentication token lock busy.
[PAM_AUTHTOK_RECOVERY_ERR]
Failed to recover old authentication token.
[PAM_BUF_ERR]
Memory buffer error.
[PAM_CONV_ERR]
Conversation failure.
[PAM_IGNORE]
Ignore this module.
[PAM_PERM_DENIED]
Permission denied.
[PAM_SERVICE_ERR]
Error in service module.
[PAM_SYSTEM_ERR]
System error.
[PAM_TRY_AGAIN]
Try again.