3  * Copyright (c) 2002-2009, 2012-2015, Jouni Malinen <j@w1.fi>
25 /* Default interval in seconds for polling TX/RX octets from the driver if
27  * input/output octets and updates Acct-{Input,Output}-Gigawords. */
47 			     radius_client_get_id(hapd->radius));  in accounting_msg()
55 		wpa_printf(MSG_INFO, "Could not add Acct-Status-Type");  in accounting_msg()
61 			    hapd->conf->radius_acct_req_attr,  in accounting_msg()
64 					       hapd->conf->ieee802_1x ?  in accounting_msg()
67 			wpa_printf(MSG_INFO, "Could not add Acct-Authentic");  in accounting_msg()
72 		val = ieee802_1x_get_identity(sta->eapol_sm, &len);  in accounting_msg()
75 		if (!val && sta->identity) {  in accounting_msg()
76 			val = (u8 *) sta->identity;  in accounting_msg()
77 			len = os_strlen(sta->identity);  in accounting_msg()
84 				    MAC2STR(sta->addr));  in accounting_msg()
91 			wpa_printf(MSG_INFO, "Could not add User-Name");  in accounting_msg()
96 	if (add_common_radius_attr(hapd, hapd->conf->radius_acct_req_attr, sta,  in accounting_msg()
105 			val = ieee802_1x_get_radius_class(sta->eapol_sm, &len,  in accounting_msg()
117 		b = ieee802_1x_get_radius_cui(sta->eapol_sm);  in accounting_msg()
126 		if (!b && sta->radius_cui &&  in accounting_msg()
129 					 (u8 *) sta->radius_cui,  in accounting_msg()
130 					 os_strlen(sta->radius_cui))) {  in accounting_msg()
135 		if (sta->ipaddr &&  in accounting_msg()
138 					       be_to_host32(sta->ipaddr))) {  in accounting_msg()
140 				   "Could not add Framed-IP-Address");  in accounting_msg()
149 		wpa_printf(MSG_INFO, "Could not add Event-Timestamp");  in accounting_msg()
154 	 * Add Acct-Delay-Time with zero value for the first transmission. This  in accounting_msg()
158 		wpa_printf(MSG_INFO, "Could not add Acct-Delay-Time");  in accounting_msg()
174 	if (hostapd_drv_read_sta_data(hapd, data, sta->addr))  in accounting_sta_update_stats()
175 		return -1;  in accounting_sta_update_stats()
177 	if (!data->bytes_64bit) {  in accounting_sta_update_stats()
178 		/* Extend 32-bit counters from the driver to 64-bit counters */  in accounting_sta_update_stats()
179 		if (sta->last_rx_bytes_lo > data->rx_bytes)  in accounting_sta_update_stats()
180 			sta->last_rx_bytes_hi++;  in accounting_sta_update_stats()
181 		sta->last_rx_bytes_lo = data->rx_bytes;  in accounting_sta_update_stats()
183 		if (sta->last_tx_bytes_lo > data->tx_bytes)  in accounting_sta_update_stats()
184 			sta->last_tx_bytes_hi++;  in accounting_sta_update_stats()
185 		sta->last_tx_bytes_lo = data->tx_bytes;  in accounting_sta_update_stats()
188 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,  in accounting_sta_update_stats()
191 		       data->rx_bytes, sta->last_rx_bytes_hi,  in accounting_sta_update_stats()
192 		       sta->last_rx_bytes_lo,  in accounting_sta_update_stats()
193 		       data->tx_bytes, sta->last_tx_bytes_hi,  in accounting_sta_update_stats()
194 		       sta->last_tx_bytes_lo,  in accounting_sta_update_stats()
195 		       data->bytes_64bit);  in accounting_sta_update_stats()
205 	int interval;  in accounting_interim_update()  local
207 	if (sta->acct_interim_interval) {  in accounting_interim_update()
209 		interval = sta->acct_interim_interval;  in accounting_interim_update()
213 		interval = ACCT_DEFAULT_UPDATE_INTERVAL;  in accounting_interim_update()
216 	eloop_register_timeout(interval, 0, accounting_interim_update,  in accounting_interim_update()
222  * accounting_sta_start - Start STA accounting
229 	int interval;  in accounting_sta_start()  local
231 	if (sta->acct_session_started)  in accounting_sta_start()
234 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,  in accounting_sta_start()
237 		       (unsigned long long) sta->acct_session_id);  in accounting_sta_start()
239 	os_get_reltime(&sta->acct_session_start);  in accounting_sta_start()
240 	sta->last_rx_bytes_hi = 0;  in accounting_sta_start()
241 	sta->last_rx_bytes_lo = 0;  in accounting_sta_start()
242 	sta->last_tx_bytes_hi = 0;  in accounting_sta_start()
243 	sta->last_tx_bytes_lo = 0;  in accounting_sta_start()
244 	hostapd_drv_sta_clear_stats(hapd, sta->addr);  in accounting_sta_start()
246 	if (!hapd->conf->radius->acct_server)  in accounting_sta_start()
249 	if (sta->acct_interim_interval)  in accounting_sta_start()
250 		interval = sta->acct_interim_interval;  in accounting_sta_start()
252 		interval = ACCT_DEFAULT_UPDATE_INTERVAL;  in accounting_sta_start()
253 	eloop_register_timeout(interval, 0, accounting_interim_update,  in accounting_sta_start()
258 	    radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr) < 0)  in accounting_sta_start()
261 	sta->acct_session_started = 1;  in accounting_sta_start()
269 	int cause = sta->acct_terminate_cause;  in accounting_sta_report()
274 	if (!hapd->conf->radius->acct_server)  in accounting_sta_report()
286 	os_reltime_sub(&now_r, &sta->acct_session_start, &diff);  in accounting_sta_report()
289 		wpa_printf(MSG_INFO, "Could not add Acct-Session-Time");  in accounting_sta_report()
297 			wpa_printf(MSG_INFO, "Could not add Acct-Input-Packets");  in accounting_sta_report()
303 			wpa_printf(MSG_INFO, "Could not add Acct-Output-Packets");  in accounting_sta_report()
309 			bytes = ((u64) sta->last_rx_bytes_hi << 32) |  in accounting_sta_report()
310 				sta->last_rx_bytes_lo;  in accounting_sta_report()
314 			wpa_printf(MSG_INFO, "Could not add Acct-Input-Octets");  in accounting_sta_report()
320 			wpa_printf(MSG_INFO, "Could not add Acct-Input-Gigawords");  in accounting_sta_report()
326 			bytes = ((u64) sta->last_tx_bytes_hi << 32) |  in accounting_sta_report()
327 				sta->last_tx_bytes_lo;  in accounting_sta_report()
331 			wpa_printf(MSG_INFO, "Could not add Acct-Output-Octets");  in accounting_sta_report()
337 			wpa_printf(MSG_INFO, "Could not add Acct-Output-Gigawords");  in accounting_sta_report()
348 		wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause");  in accounting_sta_report()
352 	if (radius_client_send(hapd->radius, msg,  in accounting_sta_report()
354 			       sta->addr) < 0)  in accounting_sta_report()
364  * accounting_sta_interim - Send a interim STA accounting report
371 	if (sta->acct_session_started)  in accounting_sta_interim()
377  * accounting_sta_stop - Stop STA accounting
383 	if (sta->acct_session_started) {  in accounting_sta_stop()
386 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,  in accounting_sta_stop()
389 			       (unsigned long long) sta->acct_session_id);  in accounting_sta_stop()
390 		sta->acct_session_started = 0;  in accounting_sta_stop()
397 	return radius_gen_session_id((u8 *) &sta->acct_session_id,  in accounting_sta_get_id()
398 				     sizeof(sta->acct_session_id));  in accounting_sta_get_id()
403  * accounting_receive - Process the RADIUS frames from Accounting Server
416 	if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_RESPONSE) {  in accounting_receive()
422 		wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have correct Authenticator - dropped");  in accounting_receive()
434 	if (!hapd->conf->radius->acct_server || hapd->radius == NULL)  in accounting_report_state()
445 	if (hapd->acct_session_id) {  in accounting_report_state()
449 			    (unsigned long long) hapd->acct_session_id);  in accounting_report_state()
452 			wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id");  in accounting_report_state()
455 	if (radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL) < 0)  in accounting_report_state()
470 	sta->acct_interim_errors++;  in accounting_interim_error_cb()
471 	if (sta->acct_interim_errors > 10 /* RADIUS_CLIENT_MAX_RETRIES */) {  in accounting_interim_error_cb()
473 			   "Interim RADIUS accounting update failed for " MACSTR  in accounting_interim_error_cb()
474 			   " - too many errors, abandon this interim accounting update",  in accounting_interim_error_cb()
476 		sta->acct_interim_errors = 0;  in accounting_interim_error_cb()
477 		/* Next update will be tried after normal update interval */  in accounting_interim_error_cb()
482 	 * Use a shorter update interval as an improved retransmission mechanism  in accounting_interim_error_cb()
490 	if (sta->acct_interim_errors == 1) {  in accounting_interim_error_cb()
494 		for (i = 1; i < sta->acct_interim_errors; i++)  in accounting_interim_error_cb()
501 			   "Interim RADIUS accounting update failed for " MACSTR  in accounting_interim_error_cb()
502 			   " (error count: %u) - schedule next update in %u seconds",  in accounting_interim_error_cb()
503 			   MAC2STR(addr), sta->acct_interim_errors, wait_time);  in accounting_interim_error_cb()
506 			   "Interim RADIUS accounting update failed for " MACSTR  in accounting_interim_error_cb()
508 			   sta->acct_interim_errors);  in accounting_interim_error_cb()
511 			   "Interim RADIUS accounting update failed for " MACSTR  in accounting_interim_error_cb()
512 			   " (error count: %u) - no timer found", MAC2STR(addr),  in accounting_interim_error_cb()
513 			   sta->acct_interim_errors);  in accounting_interim_error_cb()
520  * Returns: 0 on success, -1 on failure
524 	if (radius_gen_session_id((u8 *) &hapd->acct_session_id,  in accounting_init()
525 				  sizeof(hapd->acct_session_id)) < 0)  in accounting_init()
526 		return -1;  in accounting_init()
528 	if (radius_client_register(hapd->radius, RADIUS_ACCT,  in accounting_init()
530 		return -1;  in accounting_init()
531 	radius_client_set_interim_error_cb(hapd->radius,  in accounting_init()