{ "sid-aliases", 0, POPT_ARG_STRING, &string_arg, OPT_SIDALIASES, "Get sid aliases", "SID" },
{ "user-sids", 0, POPT_ARG_STRING, &string_arg, OPT_USERSIDS, "Get user group sids for user SID", "SID" },
{ "authenticate", 'a', POPT_ARG_STRING, &string_arg, 'a', "authenticate user", "user%password" },
- { "pam-logon", 0, POPT_ARG_STRING, string_arg, OPT_PAM_LOGON,
+ { "pam-logon", 0, POPT_ARG_STRING, &string_arg, OPT_PAM_LOGON,
"do a pam logon equivalent", "user%password" },
{ "logoff", 0, POPT_ARG_NONE, NULL, OPT_LOGOFF,
"log off user", "uid" },