static void apply_chap(struct iscsi_context *iscsi, QemuOpts *opts,
                       Error **errp)
{
    const char *user = NULL;
    const char *password = NULL;
    const char *secretid;
    char *secret = NULL;

    user = qemu_opt_get(opts, "user");
    if (!user) {
        return;
    }

    secretid = qemu_opt_get(opts, "password-secret");
    password = qemu_opt_get(opts, "password");
    if (secretid && password) {
        error_setg(errp, "'password' and 'password-secret' properties are "
                   "mutually exclusive");
        return;
    }
    if (secretid) {
        secret = qcrypto_secret_lookup_as_utf8(secretid, errp);
        if (!secret) {
            return;
        }
        password = secret;
    } else if (!password) {
        error_setg(errp, "CHAP username specified but no password was given");
        return;
    }

    if (iscsi_set_initiator_username_pwd(iscsi, user, password)) {
        error_setg(errp, "Failed to set initiator username and password");
    }

    g_free(secret);
}
Unknown