2 * hostapd / EAP-Identity
3 * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
21 struct eap_identity_data {
22 enum { CONTINUE, SUCCESS, FAILURE } state;
27 static void * eap_identity_init(struct eap_sm *sm)
29 struct eap_identity_data *data;
31 data = os_zalloc(sizeof(*data));
34 data->state = CONTINUE;
40 static void * eap_identity_initPickUp(struct eap_sm *sm)
42 struct eap_identity_data *data;
43 data = eap_identity_init(sm);
51 static void eap_identity_reset(struct eap_sm *sm, void *priv)
53 struct eap_identity_data *data = priv;
58 static struct wpabuf * eap_identity_buildReq(struct eap_sm *sm, void *priv,
61 struct eap_identity_data *data = priv;
66 if (sm->eapol_cb->get_eap_req_id_text) {
67 req_data = sm->eapol_cb->get_eap_req_id_text(sm->eapol_ctx,
73 req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, req_data_len,
74 EAP_CODE_REQUEST, id);
76 wpa_printf(MSG_ERROR, "EAP-Identity: Failed to allocate "
77 "memory for request");
78 data->state = FAILURE;
82 wpabuf_put_data(req, req_data, req_data_len);
88 static Boolean eap_identity_check(struct eap_sm *sm, void *priv,
89 struct wpabuf *respData)
94 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
97 wpa_printf(MSG_INFO, "EAP-Identity: Invalid frame");
105 static void eap_identity_process(struct eap_sm *sm, void *priv,
106 struct wpabuf *respData)
108 struct eap_identity_data *data = priv;
113 if (eap_identity_check(sm, data, respData)) {
114 wpa_printf(MSG_DEBUG, "EAP-Identity: failed to pick "
115 "up already started negotiation");
116 data->state = FAILURE;
122 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
125 return; /* Should not happen - frame already validated */
127 wpa_hexdump_ascii(MSG_DEBUG, "EAP-Identity: Peer identity", pos, len);
129 sm->update_user = TRUE;
130 os_free(sm->identity);
131 sm->identity = os_malloc(len ? len : 1);
132 if (sm->identity == NULL) {
133 data->state = FAILURE;
135 os_memcpy(sm->identity, pos, len);
136 sm->identity_len = len;
137 data->state = SUCCESS;
142 static Boolean eap_identity_isDone(struct eap_sm *sm, void *priv)
144 struct eap_identity_data *data = priv;
145 return data->state != CONTINUE;
149 static Boolean eap_identity_isSuccess(struct eap_sm *sm, void *priv)
151 struct eap_identity_data *data = priv;
152 return data->state == SUCCESS;
156 int eap_server_identity_register(void)
158 struct eap_method *eap;
161 eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
162 EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
167 eap->init = eap_identity_init;
168 eap->initPickUp = eap_identity_initPickUp;
169 eap->reset = eap_identity_reset;
170 eap->buildReq = eap_identity_buildReq;
171 eap->check = eap_identity_check;
172 eap->process = eap_identity_process;
173 eap->isDone = eap_identity_isDone;
174 eap->isSuccess = eap_identity_isSuccess;
176 ret = eap_server_method_register(eap);
178 eap_server_method_free(eap);