Exemplo n.º 1
0
static krb5_error_code
kpasswd_get_next(krb5_context context,
		 struct krb5_krbhst_data *kd,
		 krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kpasswd);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kpasswd_server");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS) {
	_krb5_debug(context, 1,
		    "Configuration exists for realm %s, wont go to DNS",
		    kd->realm);
	return KRB5_KDC_UNREACH;
    }

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0) {
	    srv_get_hosts(context, kd, "udp", "kpasswd");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kpasswd");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    /* no matches -> try admin */

    if (krbhst_empty(kd)) {
	kd->flags = 0;
	kd->port  = kd->def_port;
	kd->get_next = admin_get_next;
	ret = (*kd->get_next)(context, kd, host);
	if (ret == 0)
	    (*host)->proto = krbhst_get_default_proto(kd);
	return ret;
    }

    _krb5_debug(context, 0, "No kpasswd entries found for realm %s", kd->realm);

    return KRB5_KDC_UNREACH;
}
Exemplo n.º 2
0
static krb5_error_code
kdc_get_next(krb5_context context,
	     struct krb5_krbhst_data *kd,
	     krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kdc);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kdc");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS)
	return KRB5_KDC_UNREACH; /* XXX */

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0 && (kd->flags & KD_LARGE_MSG) == 0) {
	    srv_get_hosts(context, kd, "udp", "kerberos");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}

	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_HTTP) == 0) {
	    srv_get_hosts(context, kd, "http", "kerberos");
	    kd->flags |= KD_SRV_HTTP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    while((kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port, 
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	if(get_next(kd, host))
	    return 0;
    }

    return KRB5_KDC_UNREACH; /* XXX */
}
Exemplo n.º 3
0
static krb5_error_code
admin_get_next(krb5_context context,
	       struct krb5_krbhst_data *kd,
	       krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kadmin);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "admin_server");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS) {
	_krb5_debug(context, 1,
		    "Configuration exists for realm %s, wont go to DNS",
		    kd->realm);
	return KRB5_KDC_UNREACH;
    }

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos-adm");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    if (krbhst_empty(kd)
	&& (kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port,
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	kd->flags |= KD_FALLBACK;
	if(get_next(kd, host))
	    return 0;
    }

    _krb5_debug(context, 0, "No admin entries found for realm %s", kd->realm);

    return KRB5_KDC_UNREACH;	/* XXX */
}
Exemplo n.º 4
0
static krb5_error_code
krb524_get_next(krb5_context context,
		struct krb5_krbhst_data *kd,
		krb5_krbhst_info **host)
{
    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_krb524);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "krb524_server");
	if(get_next(kd, host))
	    return 0;
	kd->flags |= KD_CONFIG;
    }

    if (kd->flags & KD_CONFIG_EXISTS)
	return KRB5_KDC_UNREACH; /* XXX */

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0) {
	    srv_get_hosts(context, kd, "udp", "krb524");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}

	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "krb524");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    /* no matches -> try kdc */

    if (krbhst_empty(kd)) {
	kd->flags = 0;
	kd->port  = kd->def_port;
	kd->get_next = kdc_get_next;
	return (*kd->get_next)(context, kd, host);
    }

    return KRB5_KDC_UNREACH; /* XXX */
}
Exemplo n.º 5
0
static krb5_error_code
kdc_get_next(krb5_context context,
	     struct krb5_krbhst_data *kd,
	     krb5_krbhst_info **host)
{
    krb5_error_code ret;

    if ((kd->flags & KD_HOSTNAMES) == 0) {
	hostnames_get_hosts(context, kd, "kdc");
	if(get_next(kd, host))
	    return 0;
    }

    if ((kd->flags & KD_PLUGIN) == 0) {
	plugin_get_hosts(context, kd, locate_service_kdc);
	kd->flags |= KD_PLUGIN;
	if(get_next(kd, host))
	    return 0;
    }

    if((kd->flags & KD_CONFIG) == 0) {
	config_get_hosts(context, kd, "kdc");
	kd->flags |= KD_CONFIG;
	if(get_next(kd, host))
	    return 0;
    }

    if (kd->flags & KD_CONFIG_EXISTS) {
	_krb5_debug(context, 1,
		    "Configuration exists for realm %s, wont go to DNS",
		    kd->realm);
	return KRB5_KDC_UNREACH;
    }

    if(context->srv_lookup) {
	if((kd->flags & KD_SRV_UDP) == 0 && (kd->flags & KD_LARGE_MSG) == 0) {
	    srv_get_hosts(context, kd, "udp", "kerberos");
	    kd->flags |= KD_SRV_UDP;
	    if(get_next(kd, host))
		return 0;
	}

	if((kd->flags & KD_SRV_TCP) == 0) {
	    srv_get_hosts(context, kd, "tcp", "kerberos");
	    kd->flags |= KD_SRV_TCP;
	    if(get_next(kd, host))
		return 0;
	}
	if((kd->flags & KD_SRV_HTTP) == 0) {
	    srv_get_hosts(context, kd, "http", "kerberos");
	    kd->flags |= KD_SRV_HTTP;
	    if(get_next(kd, host))
		return 0;
	}
    }

    while((kd->flags & KD_FALLBACK) == 0) {
	ret = fallback_get_hosts(context, kd, "kerberos",
				 kd->def_port,
				 krbhst_get_default_proto(kd));
	if(ret)
	    return ret;
	if(get_next(kd, host))
	    return 0;
    }

    _krb5_debug(context, 0, "No KDC entries found for %s", kd->realm);

    return KRB5_KDC_UNREACH; /* XXX */
}