/*
 *	Attach the module.
 */
static int eappeap_attach(CONF_SECTION *cs, void **instance)
{
    rlm_eap_peap_t		*inst;

    *instance = inst = talloc_zero(cs, rlm_eap_peap_t);
    if (!inst) return -1;

    /*
     *	Parse the configuration attributes.
     */
    if (cf_section_parse(cs, inst, module_config) < 0) {
        return -1;
    }

    /*
     *	Convert the name to an integer, to make it easier to
     *	handle.
     */
    inst->default_method = eap_name2type(inst->default_method_name);
    if (inst->default_method < 0) {
        ERROR("rlm_eap_peap: Unknown EAP type %s",
              inst->default_method_name);
        return -1;
    }

    /*
     *	Read tls configuration, either from group given by 'tls'
     *	option, or from the eap-tls configuration.
     */
    inst->tls_conf = eaptls_conf_parse(cs, "tls");

    if (!inst->tls_conf) {
        ERROR("rlm_eap_peap: Failed initializing SSL context");
        return -1;
    }

    return 0;
}
Ejemplo n.º 2
0
/*
 *	Attach the module.
 */
static int mod_instantiate(CONF_SECTION *cs, void **instance)
{
	rlm_eap_fast_t *inst;

	*instance = inst = talloc_zero(cs, rlm_eap_fast_t);
	if (!inst) return -1;

	/*
	 *	Parse the configuration attributes.
	 */
	if (cf_section_parse(cs, inst, module_config) < 0) {
		return -1;
	}

	if (!cf_section_sub_find_name2(main_config.config, "server", inst->virtual_server)) {
		ERROR("rlm_eap_fast.virtual_server: Unknown virtual server '%s'", inst->virtual_server);
		return -1;
	}

	inst->default_method = eap_name2type(inst->default_method_name);
	if (!inst->default_method) {
		ERROR("rlm_eap_fast.default_provisioning_eap_type: "
			  "Unknown EAP type %s",
				   inst->default_method_name);
		return -1;
	}

	/*
	 *	Read tls configuration, either from group given by 'tls'
	 *	option, or from the eap-tls configuration.
	 */
	inst->tls_conf = eaptls_conf_parse(cs, "tls");

	if (!inst->tls_conf) {
		ERROR("rlm_eap_fast.tls: Failed initializing SSL context");
		return -1;
	}

	if (talloc_array_length(inst->pac_opaque_key) - 1 != 32) {
		ERROR("rlm_eap_fast.pac_opaque_key: Must be 32 bytes long");
		return -1;
	}

	// FIXME TLSv1.2 uses a different PRF and SSL_export_keying_material("key expansion") is forbidden
	if (!inst->tls_conf->disable_tlsv1_2) {
		ERROR("rlm_eap_fast.disable_tlsv1_2: require disable_tlsv1_2=yes");
		return -1;
	}

	if (!inst->pac_lifetime) {
		ERROR("rlm_eap_fast.pac_lifetime: must be non-zero");
		return -1;
	}

	rad_assert(PAC_A_ID_LENGTH == MD5_DIGEST_LENGTH);
	FR_MD5_CTX ctx;
	fr_md5_init(&ctx);
	fr_md5_update(&ctx, inst->authority_identity, talloc_array_length(inst->authority_identity) - 1);
	fr_md5_final(inst->a_id, &ctx);

	return 0;
}
Ejemplo n.º 3
0
/*
 * read the config section and load all the eap authentication types present.
 */
static int mod_instantiate(CONF_SECTION *cs, void *instance)
{
	int		i, ret;
	eap_type_t	method;
	int		num_methods;
	CONF_SECTION 	*scs;
	rlm_eap_t	*inst = instance;

	/*
	 *	Create our own random pool.
	 */
	for (i = 0; i < 256; i++) {
		inst->rand_pool.randrsl[i] = fr_rand();
	}
	fr_randinit(&inst->rand_pool, 1);
	inst->rand_pool.randcnt = 0;

	inst->xlat_name = cf_section_name2(cs);
	if (!inst->xlat_name) inst->xlat_name = "EAP";

	/* Load all the configured EAP-Types */
	num_methods = 0;
	for(scs = cf_subsection_find_next(cs, NULL, NULL);
	    scs != NULL;
	    scs = cf_subsection_find_next(cs, scs, NULL)) {

		const char *name;

		name = cf_section_name1(scs);
		if (!name)  continue;

		if (!strcmp(name, TLS_CONFIG_SECTION))  continue;

		method = eap_name2type(name);
		if (method == PW_EAP_INVALID) {
			cf_log_err_cs(cs, "Unknown EAP method %s", name);
			return -1;
		}
		
		if ((method < PW_EAP_MD5) || (method >= PW_EAP_MAX_TYPES)) {
			cf_log_err_cs(cs, "Invalid EAP method %s (unsupported)", name);
			return -1;
		}

#if !defined(HAVE_OPENSSL_SSL_H) || !defined(HAVE_LIBSSL)
		/*
		 *	This allows the default configuration to be
		 *	shipped with EAP-TLS, etc. enabled.  If the
		 *	system doesn't have OpenSSL, they will be
		 *	ignored.
		 *
		 *	If the system does have OpenSSL, then this
		 *	code will not be used.  The administrator will
		 *	then have to delete the tls,
		 *	etc. configurations from eap.conf in order to
		 *	have EAP without the TLS types.
		 */
		if ((method == PW_EAP_TLS) ||
		    (method == PW_EAP_TTLS) ||
		    (method == PW_EAP_PEAP)) {
			DEBUG2("rlm_eap (%s): Ignoring EAP method %s because we do not have OpenSSL support",
			       inst->xlat_name, name);
			continue;
		}
#endif

		/*
		 *	Load the type.
		 */
		ret = eap_module_load(inst, &inst->methods[method], method, scs);
		
		(void) talloc_get_type_abort(inst->methods[method], eap_module_t);
		
		if (ret < 0) {
			(void) talloc_steal(inst, inst->methods[method]);
			return -1;
		}

		(void) talloc_steal(inst, inst->methods[method]);
		num_methods++;	/* successfully loaded one more methods */
	}

	if (num_methods == 0) {
		cf_log_err_cs(cs, "No EAP method configured, module cannot do anything");
		return -1;
	}

	/*
	 *	Ensure that the default EAP type is loaded.
	 */
	method = eap_name2type(inst->default_method_name);
	if (method == PW_EAP_INVALID) {
		cf_log_err_cs(cs, "Unknown default EAP method '%s'",
		       inst->default_method_name);
		return -1;
	}

	if (!inst->methods[method]) {
		cf_log_err_cs(cs, "No such sub-type for default EAP method %s",
		       inst->default_method_name);
		return -1;
	}
	inst->default_method = method; /* save the numerical method */

	/*
	 *	List of sessions are set to NULL by the memset
	 *	of 'inst', above.
	 */

	/*
	 *	Lookup sessions in the tree.  We don't free them in
	 *	the tree, as that's taken care of elsewhere...
	 */
	inst->session_tree = rbtree_create(eap_handler_cmp, NULL, 0);
	if (!inst->session_tree) {
		radlog(L_ERR, "rlm_eap (%s): Cannot initialize tree", inst->xlat_name);
		return -1;
	}

	if (fr_debug_flag) {
		inst->handler_tree = rbtree_create(eap_handler_ptr_cmp, NULL, 0);
		if (!inst->handler_tree) {
			radlog(L_ERR, "rlm_eap (%s): Cannot initialize tree", inst->xlat_name);
			return -1;
		}

#ifdef HAVE_PTHREAD_H
		if (pthread_mutex_init(&(inst->handler_mutex), NULL) < 0) {
			radlog(L_ERR, "rlm_eap (%s): Failed initializing mutex: %s", inst->xlat_name, strerror(errno));
			return -1;
		}
#endif
	}

#ifdef HAVE_PTHREAD_H
	if (pthread_mutex_init(&(inst->session_mutex), NULL) < 0) {
		radlog(L_ERR, "rlm_eap (%s): Failed initializing mutex: %s", inst->xlat_name, strerror(errno));
		return -1;
	}
#endif

	return 0;
}