Lines Matching refs:data
84 static void eap_pwd_state(struct eap_pwd_data *data, int state) in eap_pwd_state() argument
87 eap_pwd_state_txt(data->state), eap_pwd_state_txt(state)); in eap_pwd_state()
88 data->state = state; in eap_pwd_state()
94 struct eap_pwd_data *data; in eap_pwd_init() local
113 if ((data = os_zalloc(sizeof(*data))) == NULL) { in eap_pwd_init()
118 if ((data->id_peer = os_malloc(identity_len)) == NULL) { in eap_pwd_init()
120 os_free(data); in eap_pwd_init()
124 os_memcpy(data->id_peer, identity, identity_len); in eap_pwd_init()
125 data->id_peer_len = identity_len; in eap_pwd_init()
127 if ((data->password = os_malloc(password_len)) == NULL) { in eap_pwd_init()
129 bin_clear_free(data->id_peer, data->id_peer_len); in eap_pwd_init()
130 os_free(data); in eap_pwd_init()
133 os_memcpy(data->password, password, password_len); in eap_pwd_init()
134 data->password_len = password_len; in eap_pwd_init()
135 data->password_hash = pwhash; in eap_pwd_init()
154 res = freq_range_list_parse(&data->allowed_groups, pos); in eap_pwd_init()
161 data->out_frag_pos = data->in_frag_pos = 0; in eap_pwd_init()
162 data->inbuf = data->outbuf = NULL; in eap_pwd_init()
165 data->mtu = 1020; /* default from RFC 5931 */ in eap_pwd_init()
167 data->mtu = fragment_size; in eap_pwd_init()
169 data->state = PWD_ID_Req; in eap_pwd_init()
171 return data; in eap_pwd_init()
173 eap_pwd_deinit(sm, data); in eap_pwd_init()
180 struct eap_pwd_data *data = priv; in eap_pwd_deinit() local
182 crypto_bignum_deinit(data->private_value, 1); in eap_pwd_deinit()
183 crypto_bignum_deinit(data->server_scalar, 1); in eap_pwd_deinit()
184 crypto_bignum_deinit(data->my_scalar, 1); in eap_pwd_deinit()
185 crypto_bignum_deinit(data->k, 1); in eap_pwd_deinit()
186 crypto_ec_point_deinit(data->my_element, 1); in eap_pwd_deinit()
187 crypto_ec_point_deinit(data->server_element, 1); in eap_pwd_deinit()
188 bin_clear_free(data->id_peer, data->id_peer_len); in eap_pwd_deinit()
189 bin_clear_free(data->id_server, data->id_server_len); in eap_pwd_deinit()
190 bin_clear_free(data->password, data->password_len); in eap_pwd_deinit()
191 if (data->grp) { in eap_pwd_deinit()
192 crypto_ec_deinit(data->grp->group); in eap_pwd_deinit()
193 crypto_ec_point_deinit(data->grp->pwe, 1); in eap_pwd_deinit()
194 os_free(data->grp); in eap_pwd_deinit()
196 wpabuf_free(data->inbuf); in eap_pwd_deinit()
197 wpabuf_free(data->outbuf); in eap_pwd_deinit()
198 os_free(data->allowed_groups.range); in eap_pwd_deinit()
199 bin_clear_free(data, sizeof(*data)); in eap_pwd_deinit()
205 struct eap_pwd_data *data = priv; in eap_pwd_getkey() local
208 if (data->state != SUCCESS) in eap_pwd_getkey()
211 key = os_memdup(data->msk, EAP_MSK_LEN); in eap_pwd_getkey()
223 struct eap_pwd_data *data = priv; in eap_pwd_get_session_id() local
226 if (data->state != SUCCESS) in eap_pwd_get_session_id()
229 id = os_memdup(data->session_id, 1 + SHA256_MAC_LEN); in eap_pwd_get_session_id()
239 static int eap_pwd_allowed_group(struct eap_pwd_data *data, u16 group) in eap_pwd_allowed_group() argument
241 if (!data->allowed_groups.range) { in eap_pwd_allowed_group()
247 return freq_range_list_includes(&data->allowed_groups, group); in eap_pwd_allowed_group()
252 eap_pwd_perform_id_exchange(struct eap_sm *sm, struct eap_pwd_data *data, in eap_pwd_perform_id_exchange() argument
259 if (data->state != PWD_ID_Req) { in eap_pwd_perform_id_exchange()
261 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
267 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
272 data->group_num = be_to_host16(id->group_num); in eap_pwd_perform_id_exchange()
275 data->group_num, id->random_function, id->prf, id->prep); in eap_pwd_perform_id_exchange()
278 !eap_pwd_allowed_group(data, data->group_num)) { in eap_pwd_perform_id_exchange()
281 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
293 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
297 if (id->prep == EAP_PWD_PREP_NONE && data->password_hash) { in eap_pwd_perform_id_exchange()
300 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
305 data->group_num); in eap_pwd_perform_id_exchange()
307 data->prep = id->prep; in eap_pwd_perform_id_exchange()
308 os_memcpy(data->token, id->token, sizeof(id->token)); in eap_pwd_perform_id_exchange()
310 if (data->id_server || data->grp) { in eap_pwd_perform_id_exchange()
312 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
316 data->id_server = os_malloc(payload_len - sizeof(struct eap_pwd_id)); in eap_pwd_perform_id_exchange()
317 if (data->id_server == NULL) { in eap_pwd_perform_id_exchange()
319 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
322 data->id_server_len = payload_len - sizeof(struct eap_pwd_id); in eap_pwd_perform_id_exchange()
323 os_memcpy(data->id_server, id->identity, data->id_server_len); in eap_pwd_perform_id_exchange()
325 data->id_server, data->id_server_len); in eap_pwd_perform_id_exchange()
327 data->grp = get_eap_pwd_group(data->group_num); in eap_pwd_perform_id_exchange()
328 if (data->grp == NULL) { in eap_pwd_perform_id_exchange()
331 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
335 data->outbuf = wpabuf_alloc(sizeof(struct eap_pwd_id) + in eap_pwd_perform_id_exchange()
336 data->id_peer_len); in eap_pwd_perform_id_exchange()
337 if (data->outbuf == NULL) { in eap_pwd_perform_id_exchange()
338 eap_pwd_state(data, FAILURE); in eap_pwd_perform_id_exchange()
341 wpabuf_put_be16(data->outbuf, data->group_num); in eap_pwd_perform_id_exchange()
342 wpabuf_put_u8(data->outbuf, EAP_PWD_DEFAULT_RAND_FUNC); in eap_pwd_perform_id_exchange()
343 wpabuf_put_u8(data->outbuf, EAP_PWD_DEFAULT_PRF); in eap_pwd_perform_id_exchange()
344 wpabuf_put_data(data->outbuf, id->token, sizeof(id->token)); in eap_pwd_perform_id_exchange()
345 wpabuf_put_u8(data->outbuf, id->prep); in eap_pwd_perform_id_exchange()
346 wpabuf_put_data(data->outbuf, data->id_peer, data->id_peer_len); in eap_pwd_perform_id_exchange()
348 eap_pwd_state(data, PWD_Commit_Req); in eap_pwd_perform_id_exchange()
353 eap_pwd_perform_commit_exchange(struct eap_sm *sm, struct eap_pwd_data *data, in eap_pwd_perform_commit_exchange() argument
371 if (data->state != PWD_Commit_Req) { in eap_pwd_perform_commit_exchange()
376 if (!data->grp) { in eap_pwd_perform_commit_exchange()
383 prime_len = crypto_ec_prime_len(data->grp->group); in eap_pwd_perform_commit_exchange()
384 order_len = crypto_ec_order_len(data->grp->group); in eap_pwd_perform_commit_exchange()
386 switch (data->prep) { in eap_pwd_perform_commit_exchange()
393 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
403 if (data->password_hash) { in eap_pwd_perform_commit_exchange()
404 res = hash_nt_password_hash(data->password, pwhashhash); in eap_pwd_perform_commit_exchange()
408 res = nt_password_hash(data->password, in eap_pwd_perform_commit_exchange()
409 data->password_len, pwhash); in eap_pwd_perform_commit_exchange()
416 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
443 data->password, data->password_len); in eap_pwd_perform_commit_exchange()
445 salt_pwd[0] = data->password; in eap_pwd_perform_commit_exchange()
447 salt_pwd_len[0] = data->password_len; in eap_pwd_perform_commit_exchange()
480 data->password, data->password_len); in eap_pwd_perform_commit_exchange()
482 salt_pwd[0] = data->password; in eap_pwd_perform_commit_exchange()
484 salt_pwd_len[0] = data->password_len; in eap_pwd_perform_commit_exchange()
515 data->password, data->password_len); in eap_pwd_perform_commit_exchange()
517 salt_pwd[0] = data->password; in eap_pwd_perform_commit_exchange()
519 salt_pwd_len[0] = data->password_len; in eap_pwd_perform_commit_exchange()
534 if (data->password_hash) { in eap_pwd_perform_commit_exchange()
537 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
547 password = data->password; in eap_pwd_perform_commit_exchange()
548 password_len = data->password_len; in eap_pwd_perform_commit_exchange()
553 data->prep); in eap_pwd_perform_commit_exchange()
554 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
559 res = compute_password_element(data->grp, data->group_num, in eap_pwd_perform_commit_exchange()
561 data->id_server, data->id_server_len, in eap_pwd_perform_commit_exchange()
562 data->id_peer, data->id_peer_len, in eap_pwd_perform_commit_exchange()
563 data->token); in eap_pwd_perform_commit_exchange()
568 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
573 (int) crypto_ec_prime_len_bits(data->grp->group)); in eap_pwd_perform_commit_exchange()
575 data->private_value = crypto_bignum_init(); in eap_pwd_perform_commit_exchange()
576 data->my_element = crypto_ec_point_init(data->grp->group); in eap_pwd_perform_commit_exchange()
577 data->my_scalar = crypto_bignum_init(); in eap_pwd_perform_commit_exchange()
579 if (!data->private_value || !data->my_element || in eap_pwd_perform_commit_exchange()
580 !data->my_scalar || !mask) { in eap_pwd_perform_commit_exchange()
585 if (eap_pwd_get_rand_mask(data->grp, data->private_value, mask, in eap_pwd_perform_commit_exchange()
586 data->my_scalar) < 0) in eap_pwd_perform_commit_exchange()
589 if (crypto_ec_point_mul(data->grp->group, data->grp->pwe, mask, in eap_pwd_perform_commit_exchange()
590 data->my_element) < 0) { in eap_pwd_perform_commit_exchange()
593 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
597 if (crypto_ec_point_invert(data->grp->group, data->my_element) < 0) { in eap_pwd_perform_commit_exchange()
603 data->k = crypto_bignum_init(); in eap_pwd_perform_commit_exchange()
604 K = crypto_ec_point_init(data->grp->group); in eap_pwd_perform_commit_exchange()
605 if (!data->k || !K) { in eap_pwd_perform_commit_exchange()
612 data->server_element = eap_pwd_get_element(data->grp, ptr); in eap_pwd_perform_commit_exchange()
613 if (!data->server_element) { in eap_pwd_perform_commit_exchange()
619 data->server_scalar = eap_pwd_get_scalar(data->grp, ptr); in eap_pwd_perform_commit_exchange()
620 if (!data->server_scalar) { in eap_pwd_perform_commit_exchange()
627 if (crypto_ec_point_mul(data->grp->group, data->grp->pwe, in eap_pwd_perform_commit_exchange()
628 data->server_scalar, K) < 0 || in eap_pwd_perform_commit_exchange()
629 crypto_ec_point_add(data->grp->group, K, data->server_element, in eap_pwd_perform_commit_exchange()
631 crypto_ec_point_mul(data->grp->group, K, data->private_value, in eap_pwd_perform_commit_exchange()
644 if (crypto_ec_point_is_at_infinity(data->grp->group, K)) { in eap_pwd_perform_commit_exchange()
650 if (crypto_ec_point_x(data->grp->group, K, data->k) < 0) { in eap_pwd_perform_commit_exchange()
657 data->outbuf = wpabuf_alloc(2 * prime_len + order_len); in eap_pwd_perform_commit_exchange()
658 if (data->outbuf == NULL) in eap_pwd_perform_commit_exchange()
661 element = wpabuf_put(data->outbuf, 2 * prime_len); in eap_pwd_perform_commit_exchange()
662 scalar = wpabuf_put(data->outbuf, order_len); in eap_pwd_perform_commit_exchange()
669 crypto_bignum_to_bin(data->my_scalar, scalar, order_len, order_len); in eap_pwd_perform_commit_exchange()
670 if (crypto_ec_point_to_bin(data->grp->group, data->my_element, element, in eap_pwd_perform_commit_exchange()
679 if (data->outbuf == NULL) in eap_pwd_perform_commit_exchange()
680 eap_pwd_state(data, FAILURE); in eap_pwd_perform_commit_exchange()
682 eap_pwd_state(data, PWD_Confirm_Req); in eap_pwd_perform_commit_exchange()
687 eap_pwd_perform_confirm_exchange(struct eap_sm *sm, struct eap_pwd_data *data, in eap_pwd_perform_confirm_exchange() argument
698 if (data->state != PWD_Confirm_Req) { in eap_pwd_perform_confirm_exchange()
710 prime_len = crypto_ec_prime_len(data->grp->group); in eap_pwd_perform_confirm_exchange()
711 order_len = crypto_ec_order_len(data->grp->group); in eap_pwd_perform_confirm_exchange()
717 grp = htons(data->group_num); in eap_pwd_perform_confirm_exchange()
745 crypto_bignum_to_bin(data->k, cruft, prime_len, prime_len); in eap_pwd_perform_confirm_exchange()
749 if (crypto_ec_point_to_bin(data->grp->group, data->server_element, in eap_pwd_perform_confirm_exchange()
758 crypto_bignum_to_bin(data->server_scalar, cruft, order_len, order_len); in eap_pwd_perform_confirm_exchange()
762 if (crypto_ec_point_to_bin(data->grp->group, data->my_element, cruft, in eap_pwd_perform_confirm_exchange()
771 crypto_bignum_to_bin(data->my_scalar, cruft, order_len, order_len); in eap_pwd_perform_confirm_exchange()
799 crypto_bignum_to_bin(data->k, cruft, prime_len, prime_len); in eap_pwd_perform_confirm_exchange()
803 if (crypto_ec_point_to_bin(data->grp->group, data->my_element, cruft, in eap_pwd_perform_confirm_exchange()
812 crypto_bignum_to_bin(data->my_scalar, cruft, order_len, order_len); in eap_pwd_perform_confirm_exchange()
816 if (crypto_ec_point_to_bin(data->grp->group, data->server_element, in eap_pwd_perform_confirm_exchange()
825 crypto_bignum_to_bin(data->server_scalar, cruft, order_len, order_len); in eap_pwd_perform_confirm_exchange()
835 if (compute_keys(data->grp, data->k, in eap_pwd_perform_confirm_exchange()
836 data->my_scalar, data->server_scalar, conf, ptr, in eap_pwd_perform_confirm_exchange()
837 &cs, data->msk, data->emsk, data->session_id) < 0) { in eap_pwd_perform_confirm_exchange()
843 data->outbuf = wpabuf_alloc(SHA256_MAC_LEN); in eap_pwd_perform_confirm_exchange()
844 if (data->outbuf == NULL) in eap_pwd_perform_confirm_exchange()
847 wpabuf_put_data(data->outbuf, conf, SHA256_MAC_LEN); in eap_pwd_perform_confirm_exchange()
851 if (data->outbuf == NULL) { in eap_pwd_perform_confirm_exchange()
854 eap_pwd_state(data, FAILURE); in eap_pwd_perform_confirm_exchange()
856 eap_pwd_state(data, SUCCESS_ON_FRAG_COMPLETION); in eap_pwd_perform_confirm_exchange()
869 struct eap_pwd_data *data = priv; in eap_pwd_process() local
897 if (data->out_frag_pos) { in eap_pwd_process()
909 len = wpabuf_len(data->outbuf) - data->out_frag_pos; in eap_pwd_process()
910 if ((len + EAP_PWD_HDR_SIZE) > data->mtu) { in eap_pwd_process()
911 len = data->mtu - EAP_PWD_HDR_SIZE; in eap_pwd_process()
923 buf = wpabuf_head_u8(data->outbuf); in eap_pwd_process()
924 wpabuf_put_data(resp, buf + data->out_frag_pos, len); in eap_pwd_process()
925 data->out_frag_pos += len; in eap_pwd_process()
929 if (data->out_frag_pos >= wpabuf_len(data->outbuf)) { in eap_pwd_process()
930 wpabuf_free(data->outbuf); in eap_pwd_process()
931 data->outbuf = NULL; in eap_pwd_process()
932 data->out_frag_pos = 0; in eap_pwd_process()
935 data->out_frag_pos == 0 ? "last" : "next", in eap_pwd_process()
937 if (data->state == SUCCESS_ON_FRAG_COMPLETION) { in eap_pwd_process()
940 eap_pwd_state(data, SUCCESS); in eap_pwd_process()
962 if (data->inbuf) { in eap_pwd_process()
968 data->inbuf = wpabuf_alloc(tot_len); in eap_pwd_process()
969 if (data->inbuf == NULL) { in eap_pwd_process()
974 data->in_frag_pos = 0; in eap_pwd_process()
981 if (EAP_PWD_GET_MORE_BIT(lm_exch) || data->in_frag_pos) { in eap_pwd_process()
982 if (!data->inbuf) { in eap_pwd_process()
989 data->in_frag_pos += len; in eap_pwd_process()
990 if (data->in_frag_pos > wpabuf_size(data->inbuf)) { in eap_pwd_process()
993 (int) data->in_frag_pos, in eap_pwd_process()
994 (int) wpabuf_len(data->inbuf)); in eap_pwd_process()
995 wpabuf_free(data->inbuf); in eap_pwd_process()
996 data->inbuf = NULL; in eap_pwd_process()
997 data->in_frag_pos = 0; in eap_pwd_process()
1000 wpabuf_put_data(data->inbuf, pos, len); in eap_pwd_process()
1015 if (data->in_frag_pos && data->inbuf) { in eap_pwd_process()
1018 pos = wpabuf_head_u8(data->inbuf); in eap_pwd_process()
1019 len = data->in_frag_pos; in eap_pwd_process()
1026 eap_pwd_perform_id_exchange(sm, data, ret, reqData, in eap_pwd_process()
1030 eap_pwd_perform_commit_exchange(sm, data, ret, reqData, in eap_pwd_process()
1034 eap_pwd_perform_confirm_exchange(sm, data, ret, reqData, in eap_pwd_process()
1045 if (data->in_frag_pos) { in eap_pwd_process()
1046 wpabuf_free(data->inbuf); in eap_pwd_process()
1047 data->inbuf = NULL; in eap_pwd_process()
1048 data->in_frag_pos = 0; in eap_pwd_process()
1051 if (data->outbuf == NULL) { in eap_pwd_process()
1061 len = wpabuf_len(data->outbuf); in eap_pwd_process()
1062 if ((len + EAP_PWD_HDR_SIZE) > data->mtu) { in eap_pwd_process()
1063 resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD, data->mtu, in eap_pwd_process()
1074 len = data->mtu - EAP_PWD_HDR_SIZE - sizeof(u16); in eap_pwd_process()
1088 data->out_frag_pos += len; in eap_pwd_process()
1090 buf = wpabuf_head_u8(data->outbuf); in eap_pwd_process()
1095 if (data->out_frag_pos == 0) { in eap_pwd_process()
1096 wpabuf_free(data->outbuf); in eap_pwd_process()
1097 data->outbuf = NULL; in eap_pwd_process()
1098 data->out_frag_pos = 0; in eap_pwd_process()
1099 if (data->state == SUCCESS_ON_FRAG_COMPLETION) { in eap_pwd_process()
1102 eap_pwd_state(data, SUCCESS); in eap_pwd_process()
1112 struct eap_pwd_data *data = priv; in eap_pwd_key_available() local
1113 return data->state == SUCCESS; in eap_pwd_key_available()
1119 struct eap_pwd_data *data = priv; in eap_pwd_get_emsk() local
1122 if (data->state != SUCCESS) in eap_pwd_get_emsk()
1128 os_memcpy(key, data->emsk, EAP_EMSK_LEN); in eap_pwd_get_emsk()