2 * hostapd / EAP-Identity
3 * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
15 struct eap_identity_data {
16 enum { CONTINUE, SUCCESS, FAILURE } state;
21 static void * eap_identity_init(struct eap_sm *sm)
23 struct eap_identity_data *data;
25 data = os_zalloc(sizeof(*data));
28 data->state = CONTINUE;
34 static void * eap_identity_initPickUp(struct eap_sm *sm)
36 struct eap_identity_data *data;
37 data = eap_identity_init(sm);
45 static void eap_identity_reset(struct eap_sm *sm, void *priv)
47 struct eap_identity_data *data = priv;
52 static struct wpabuf * eap_identity_buildReq(struct eap_sm *sm, void *priv,
55 struct eap_identity_data *data = priv;
60 if (sm->eapol_cb->get_eap_req_id_text) {
61 req_data = sm->eapol_cb->get_eap_req_id_text(sm->eapol_ctx,
67 req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, req_data_len,
68 EAP_CODE_REQUEST, id);
70 wpa_printf(MSG_ERROR, "EAP-Identity: Failed to allocate "
71 "memory for request");
72 data->state = FAILURE;
76 wpabuf_put_data(req, req_data, req_data_len);
82 static Boolean eap_identity_check(struct eap_sm *sm, void *priv,
83 struct wpabuf *respData)
88 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
91 wpa_printf(MSG_INFO, "EAP-Identity: Invalid frame");
99 static void eap_identity_process(struct eap_sm *sm, void *priv,
100 struct wpabuf *respData)
102 struct eap_identity_data *data = priv;
107 if (eap_identity_check(sm, data, respData)) {
108 wpa_printf(MSG_DEBUG, "EAP-Identity: failed to pick "
109 "up already started negotiation");
110 data->state = FAILURE;
116 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
119 return; /* Should not happen - frame already validated */
121 wpa_hexdump_ascii(MSG_DEBUG, "EAP-Identity: Peer identity", pos, len);
123 sm->update_user = TRUE;
124 os_free(sm->identity);
125 sm->identity = os_malloc(len ? len : 1);
126 if (sm->identity == NULL) {
127 data->state = FAILURE;
129 os_memcpy(sm->identity, pos, len);
130 sm->identity_len = len;
131 data->state = SUCCESS;
136 static Boolean eap_identity_isDone(struct eap_sm *sm, void *priv)
138 struct eap_identity_data *data = priv;
139 return data->state != CONTINUE;
143 static Boolean eap_identity_isSuccess(struct eap_sm *sm, void *priv)
145 struct eap_identity_data *data = priv;
146 return data->state == SUCCESS;
150 int eap_server_identity_register(void)
152 struct eap_method *eap;
155 eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
156 EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
161 eap->init = eap_identity_init;
162 eap->initPickUp = eap_identity_initPickUp;
163 eap->reset = eap_identity_reset;
164 eap->buildReq = eap_identity_buildReq;
165 eap->check = eap_identity_check;
166 eap->process = eap_identity_process;
167 eap->isDone = eap_identity_isDone;
168 eap->isSuccess = eap_identity_isSuccess;
170 ret = eap_server_method_register(eap);
172 eap_server_method_free(eap);