Lines Matching refs:data
59 static void eap_eke_state(struct eap_eke_data *data, int state)
62 eap_eke_state_txt(data->state),
64 data->state = state;
68 static void eap_eke_fail(struct eap_eke_data *data, u32 code)
71 data->failure_code = code;
72 eap_eke_state(data, FAILURE_REPORT);
78 struct eap_eke_data *data;
81 data = os_zalloc(sizeof(*data));
82 if (data == NULL)
84 eap_eke_state(data, IDENTITY);
86 data->serverid_type = EAP_EKE_ID_OPAQUE;
89 data->serverid_type == EAP_EKE_ID_OPAQUE)
90 data->serverid_type = EAP_EKE_ID_FQDN;
92 data->serverid_type = EAP_EKE_ID_NAI;
95 data->phase2 = sm->init_phase2;
97 return data;
103 struct eap_eke_data *data = priv;
104 eap_eke_session_clean(&data->sess);
105 os_free(data->peerid);
106 wpabuf_free(data->msgs);
107 os_free(data);
111 static struct wpabuf * eap_eke_build_msg(struct eap_eke_data *data,
162 static struct wpabuf * eap_eke_build_failure(struct eap_eke_data *data, u8 id)
167 data->failure_code);
169 msg = eap_eke_build_msg(data, id, 4, EAP_EKE_FAILURE);
171 eap_eke_state(data, FAILURE);
174 wpabuf_put_be32(msg, data->failure_code);
181 struct eap_eke_data *data,
190 msg = eap_eke_build_msg(data, id, plen, EAP_EKE_ID);
225 wpabuf_put_u8(msg, data->serverid_type);
228 wpabuf_free(data->msgs);
229 data->msgs = wpabuf_dup(msg);
230 if (data->msgs == NULL) {
240 struct eap_eke_data *data, u8 id)
249 eap_eke_fail(data, EAP_EKE_FAIL_PASSWD_NOT_FOUND);
250 return eap_eke_build_failure(data, id);
253 if (eap_eke_derive_key(&data->sess, sm->user->password,
256 data->peerid, data->peerid_len, data->key) < 0) {
258 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
259 return eap_eke_build_failure(data, id);
262 msg = eap_eke_build_msg(data, id, data->sess.dhcomp_len,
265 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
266 return eap_eke_build_failure(data, id);
277 if (eap_eke_dh_init(data->sess.dhgroup, data->dh_priv, pub) < 0) {
279 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
280 return eap_eke_build_failure(data, id);
283 if (eap_eke_dhcomp(&data->sess, data->key, pub,
284 wpabuf_put(msg, data->sess.dhcomp_len))
288 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
289 return eap_eke_build_failure(data, id);
292 if (wpabuf_resize(&data->msgs, wpabuf_len(msg)) < 0) {
294 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
295 return eap_eke_build_failure(data, id);
297 wpabuf_put_buf(data->msgs, msg);
304 struct eap_eke_data *data, u8 id)
313 plen = data->sess.pnonce_ps_len + data->sess.prf_len;
314 msg = eap_eke_build_msg(data, id, plen, EAP_EKE_CONFIRM);
316 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
317 return eap_eke_build_failure(data, id);
320 if (random_get_bytes(data->nonce_s, data->sess.nonce_len)) {
322 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
323 return eap_eke_build_failure(data, id);
326 data->nonce_s, data->sess.nonce_len);
328 os_memcpy(nonces, data->nonce_p, data->sess.nonce_len);
329 os_memcpy(nonces + data->sess.nonce_len, data->nonce_s,
330 data->sess.nonce_len);
332 if (eap_eke_prot(&data->sess, nonces, 2 * data->sess.nonce_len,
335 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
336 return eap_eke_build_failure(data, id);
340 if (eap_eke_derive_ka(&data->sess,
342 data->peerid, data->peerid_len,
343 data->nonce_p, data->nonce_s) < 0) {
345 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
346 return eap_eke_build_failure(data, id);
349 auth = wpabuf_put(msg, data->sess.prf_len);
350 if (eap_eke_auth(&data->sess, "EAP-EKE server", data->msgs, auth) < 0) {
352 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
353 return eap_eke_build_failure(data, id);
355 wpa_hexdump(MSG_DEBUG, "EAP-EKE: Auth_S", auth, data->sess.prf_len);
363 struct eap_eke_data *data = priv;
365 switch (data->state) {
367 return eap_eke_build_identity(sm, data, id);
369 return eap_eke_build_commit(sm, data, id);
371 return eap_eke_build_confirm(sm, data, id);
373 return eap_eke_build_failure(data, id);
376 data->state);
386 struct eap_eke_data *data = priv;
400 if (data->state == IDENTITY && eke_exch == EAP_EKE_ID)
403 if (data->state == COMMIT && eke_exch == EAP_EKE_COMMIT)
406 if (data->state == CONFIRM && eke_exch == EAP_EKE_CONFIRM)
413 eke_exch, data->state);
420 struct eap_eke_data *data,
429 if (data->state != IDENTITY) {
430 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
439 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
446 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
455 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
461 if (eap_eke_session_init(&data->sess, pos[0], pos[1], pos[2], pos[3]) <
463 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
468 data->peerid_type = *pos++;
469 os_free(data->peerid);
470 data->peerid = os_malloc(end - pos);
471 if (data->peerid == NULL) {
473 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
476 os_memcpy(data->peerid, pos, end - pos);
477 data->peerid_len = end - pos;
478 wpa_printf(MSG_DEBUG, "EAP-EKE: Peer IDType %u", data->peerid_type);
480 data->peerid, data->peerid_len);
482 if (eap_user_get(sm, data->peerid, data->peerid_len, data->phase2)) {
484 eap_eke_fail(data, EAP_EKE_FAIL_PASSWD_NOT_FOUND);
495 eap_eke_fail(data, EAP_EKE_FAIL_PASSWD_NOT_FOUND);
501 eap_eke_fail(data, EAP_EKE_FAIL_PASSWD_NOT_FOUND);
505 if (wpabuf_resize(&data->msgs, wpabuf_len(respData)) < 0) {
506 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
509 wpabuf_put_buf(data->msgs, respData);
511 eap_eke_state(data, COMMIT);
516 struct eap_eke_data *data,
525 if (data->state != COMMIT) {
526 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
533 if (pos + data->sess.dhcomp_len + data->sess.pnonce_len > end) {
535 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
540 pos, data->sess.dhcomp_len);
542 pos += data->sess.dhcomp_len;
543 wpa_hexdump(MSG_DEBUG, "EAP-EKE: PNonce_P", pos, data->sess.pnonce_len);
545 pos += data->sess.pnonce_len;
548 if (eap_eke_shared_secret(&data->sess, data->key, data->dh_priv, dhcomp)
551 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
555 if (eap_eke_derive_ke_ki(&data->sess,
557 data->peerid, data->peerid_len) < 0) {
559 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
563 decrypt_len = sizeof(data->nonce_p);
564 if (eap_eke_decrypt_prot(&data->sess, pnonce, data->sess.pnonce_len,
565 data->nonce_p, &decrypt_len) < 0) {
567 eap_eke_fail(data, EAP_EKE_FAIL_AUTHENTICATION_FAIL);
570 if (decrypt_len < (size_t) data->sess.nonce_len) {
571 wpa_printf(MSG_INFO, "EAP-EKE: PNonce_P protected data too short to include Nonce_P");
572 eap_eke_fail(data, EAP_EKE_FAIL_AUTHENTICATION_FAIL);
576 data->nonce_p, data->sess.nonce_len);
578 if (wpabuf_resize(&data->msgs, wpabuf_len(respData)) < 0) {
579 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
582 wpabuf_put_buf(data->msgs, respData);
584 eap_eke_state(data, CONFIRM);
589 struct eap_eke_data *data,
599 if (data->state != CONFIRM) {
600 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
606 if (payloadlen < (size_t) data->sess.pnonce_len + data->sess.prf_len) {
608 eap_eke_fail(data, EAP_EKE_FAIL_PROTO_ERROR);
613 if (eap_eke_decrypt_prot(&data->sess, payload, data->sess.pnonce_len,
616 eap_eke_fail(data, EAP_EKE_FAIL_AUTHENTICATION_FAIL);
619 if (decrypt_len < (size_t) data->sess.nonce_len) {
620 wpa_printf(MSG_INFO, "EAP-EKE: PNonce_S protected data too short to include Nonce_S");
621 eap_eke_fail(data, EAP_EKE_FAIL_AUTHENTICATION_FAIL);
625 nonce, data->sess.nonce_len);
626 if (os_memcmp(nonce, data->nonce_s, data->sess.nonce_len) != 0) {
628 eap_eke_fail(data, EAP_EKE_FAIL_AUTHENTICATION_FAIL);
632 if (eap_eke_auth(&data->sess, "EAP-EKE peer", data->msgs, auth_p) < 0) {
634 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
637 wpa_hexdump(MSG_DEBUG, "EAP-EKE: Auth_P", auth_p, data->sess.prf_len);
638 if (os_memcmp(auth_p, payload + data->sess.pnonce_len,
639 data->sess.prf_len) != 0) {
641 eap_eke_fail(data, EAP_EKE_FAIL_AUTHENTICATION_FAIL);
645 if (eap_eke_derive_msk(&data->sess, sm->server_id, sm->server_id_len,
646 data->peerid, data->peerid_len,
647 data->nonce_s, data->nonce_p,
648 data->msk, data->emsk) < 0) {
650 eap_eke_fail(data, EAP_EKE_FAIL_PRIVATE_INTERNAL_ERROR);
654 os_memset(data->dh_priv, 0, sizeof(data->dh_priv));
655 os_memset(data->key, 0, sizeof(data->key));
656 eap_eke_session_clean(&data->sess);
658 eap_eke_state(data, SUCCESS);
663 struct eap_eke_data *data,
673 eap_eke_state(data, FAILURE);
680 eap_eke_state(data, FAILURE);
687 struct eap_eke_data *data = priv;
704 eap_eke_process_identity(sm, data, respData, pos, end - pos);
707 eap_eke_process_commit(sm, data, respData, pos, end - pos);
710 eap_eke_process_confirm(sm, data, respData, pos, end - pos);
713 eap_eke_process_failure(sm, data, respData, pos, end - pos);
721 struct eap_eke_data *data = priv;
722 return data->state == SUCCESS || data->state == FAILURE;
728 struct eap_eke_data *data = priv;
731 if (data->state != SUCCESS)
737 os_memcpy(key, data->msk, EAP_MSK_LEN);
746 struct eap_eke_data *data = priv;
749 if (data->state != SUCCESS)
755 os_memcpy(key, data->emsk, EAP_EMSK_LEN);
764 struct eap_eke_data *data = priv;
765 return data->state == SUCCESS;
