/*
* hostapd / RADIUS Accounting
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2009, 2012-2015, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
-#include "drivers/driver.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
#include "hostapd.h"
#include "ieee802_1x.h"
#include "ap_config.h"
#include "sta_info.h"
+#include "ap_drv_ops.h"
#include "accounting.h"
* input/output octets and updates Acct-{Input,Output}-Gigawords. */
#define ACCT_DEFAULT_UPDATE_INTERVAL 300
-static void accounting_sta_get_id(struct hostapd_data *hapd,
- struct sta_info *sta);
+static void accounting_sta_interim(struct hostapd_data *hapd,
+ struct sta_info *sta);
static struct radius_msg * accounting_msg(struct hostapd_data *hapd,
u8 *val;
size_t len;
int i;
+ struct wpabuf *b;
+ struct os_time now;
msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
radius_client_get_id(hapd->radius));
if (msg == NULL) {
- printf("Could not create net RADIUS packet\n");
+ wpa_printf(MSG_INFO, "Could not create new RADIUS packet");
return NULL;
}
- if (sta) {
- radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
-
- os_snprintf(buf, sizeof(buf), "%08X-%08X",
- sta->acct_session_id_hi, sta->acct_session_id_lo);
- if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
- (u8 *) buf, os_strlen(buf))) {
- printf("Could not add Acct-Session-Id\n");
- goto fail;
- }
- } else {
- radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd));
- }
-
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
status_type)) {
- printf("Could not add Acct-Status-Type\n");
- goto fail;
- }
-
- if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
- hapd->conf->ieee802_1x ?
- RADIUS_ACCT_AUTHENTIC_RADIUS :
- RADIUS_ACCT_AUTHENTIC_LOCAL)) {
- printf("Could not add Acct-Authentic\n");
+ wpa_printf(MSG_INFO, "Could not add Acct-Status-Type");
goto fail;
}
if (sta) {
+ if (!hostapd_config_get_radius_attr(
+ hapd->conf->radius_acct_req_attr,
+ RADIUS_ATTR_ACCT_AUTHENTIC) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
+ hapd->conf->ieee802_1x ?
+ RADIUS_ACCT_AUTHENTIC_RADIUS :
+ RADIUS_ACCT_AUTHENTIC_LOCAL)) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Authentic");
+ goto fail;
+ }
+
+ /* Use 802.1X identity if available */
val = ieee802_1x_get_identity(sta->eapol_sm, &len);
+
+ /* Use RADIUS ACL identity if 802.1X provides no identity */
+ if (!val && sta->identity) {
+ val = (u8 *) sta->identity;
+ len = os_strlen(sta->identity);
+ }
+
+ /* Use STA MAC if neither 802.1X nor RADIUS ACL provided
+ * identity */
if (!val) {
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT,
MAC2STR(sta->addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val,
len)) {
- printf("Could not add User-Name\n");
+ wpa_printf(MSG_INFO, "Could not add User-Name");
goto fail;
}
}
- if (hapd->conf->own_ip_addr.af == AF_INET &&
- !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
- (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
- printf("Could not add NAS-IP-Address\n");
- goto fail;
- }
-
-#ifdef CONFIG_IPV6
- if (hapd->conf->own_ip_addr.af == AF_INET6 &&
- !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
- (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
- printf("Could not add NAS-IPv6-Address\n");
- goto fail;
- }
-#endif /* CONFIG_IPV6 */
-
- if (hapd->conf->nas_identifier &&
- !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
- (u8 *) hapd->conf->nas_identifier,
- os_strlen(hapd->conf->nas_identifier))) {
- printf("Could not add NAS-Identifier\n");
- goto fail;
- }
-
- if (sta &&
- !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
- printf("Could not add NAS-Port\n");
- goto fail;
- }
-
- os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
- MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
- if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
- (u8 *) buf, os_strlen(buf))) {
- printf("Could not add Called-Station-Id\n");
+ if (add_common_radius_attr(hapd, hapd->conf->radius_acct_req_attr, sta,
+ msg) < 0)
goto fail;
- }
if (sta) {
- os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
- MAC2STR(sta->addr));
- if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
- (u8 *) buf, os_strlen(buf))) {
- printf("Could not add Calling-Station-Id\n");
- goto fail;
- }
-
- if (!radius_msg_add_attr_int32(
- msg, RADIUS_ATTR_NAS_PORT_TYPE,
- RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
- printf("Could not add NAS-Port-Type\n");
- goto fail;
- }
-
- os_snprintf(buf, sizeof(buf), "CONNECT %d%sMbps %s",
- radius_sta_rate(hapd, sta) / 2,
- (radius_sta_rate(hapd, sta) & 1) ? ".5" : "",
- radius_mode_txt(hapd));
- if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
- (u8 *) buf, os_strlen(buf))) {
- printf("Could not add Connect-Info\n");
- goto fail;
- }
-
for (i = 0; ; i++) {
val = ieee802_1x_get_radius_class(sta->eapol_sm, &len,
i);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS,
val, len)) {
- printf("Could not add Class\n");
+ wpa_printf(MSG_INFO, "Could not add Class");
goto fail;
}
}
+
+ b = ieee802_1x_get_radius_cui(sta->eapol_sm);
+ if (b &&
+ !radius_msg_add_attr(msg,
+ RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
+ wpabuf_head(b), wpabuf_len(b))) {
+ wpa_printf(MSG_ERROR, "Could not add CUI");
+ goto fail;
+ }
+
+ if (!b && sta->radius_cui &&
+ !radius_msg_add_attr(msg,
+ RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
+ (u8 *) sta->radius_cui,
+ os_strlen(sta->radius_cui))) {
+ wpa_printf(MSG_ERROR, "Could not add CUI from ACL");
+ goto fail;
+ }
+
+ if (sta->ipaddr &&
+ !radius_msg_add_attr_int32(msg,
+ RADIUS_ATTR_FRAMED_IP_ADDRESS,
+ be_to_host32(sta->ipaddr))) {
+ wpa_printf(MSG_ERROR,
+ "Could not add Framed-IP-Address");
+ goto fail;
+ }
+ }
+
+ os_get_time(&now);
+ if (now.sec > 1000000000 &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
+ now.sec)) {
+ wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
+ goto fail;
+ }
+
+ /*
+ * Add Acct-Delay-Time with zero value for the first transmission. This
+ * will be updated within radius_client.c when retransmitting the frame.
+ */
+ if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_DELAY_TIME, 0)) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Delay-Time");
+ goto fail;
}
return msg;
struct sta_info *sta,
struct hostap_sta_driver_data *data)
{
- if (hapd->drv.read_sta_data(hapd, data, sta->addr))
+ if (hostapd_drv_read_sta_data(hapd, data, sta->addr))
return -1;
- if (sta->last_rx_bytes > data->rx_bytes)
- sta->acct_input_gigawords++;
- if (sta->last_tx_bytes > data->tx_bytes)
- sta->acct_output_gigawords++;
- sta->last_rx_bytes = data->rx_bytes;
- sta->last_tx_bytes = data->tx_bytes;
+ if (!data->bytes_64bit) {
+ /* Extend 32-bit counters from the driver to 64-bit counters */
+ if (sta->last_rx_bytes_lo > data->rx_bytes)
+ sta->last_rx_bytes_hi++;
+ sta->last_rx_bytes_lo = data->rx_bytes;
+
+ if (sta->last_tx_bytes_lo > data->tx_bytes)
+ sta->last_tx_bytes_hi++;
+ sta->last_tx_bytes_lo = data->tx_bytes;
+ }
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
- HOSTAPD_LEVEL_DEBUG, "updated TX/RX stats: "
- "Acct-Input-Octets=%lu Acct-Input-Gigawords=%u "
- "Acct-Output-Octets=%lu Acct-Output-Gigawords=%u",
- sta->last_rx_bytes, sta->acct_input_gigawords,
- sta->last_tx_bytes, sta->acct_output_gigawords);
+ HOSTAPD_LEVEL_DEBUG,
+ "updated TX/RX stats: rx_bytes=%llu [%u:%u] tx_bytes=%llu [%u:%u] bytes_64bit=%d",
+ data->rx_bytes, sta->last_rx_bytes_hi,
+ sta->last_rx_bytes_lo,
+ data->tx_bytes, sta->last_tx_bytes_hi,
+ sta->last_tx_bytes_lo,
+ data->bytes_64bit);
return 0;
}
if (sta->acct_session_started)
return;
- accounting_sta_get_id(hapd, sta);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
- "starting accounting session %08X-%08X",
- sta->acct_session_id_hi, sta->acct_session_id_lo);
+ "starting accounting session %016llX",
+ (unsigned long long) sta->acct_session_id);
- time(&sta->acct_session_start);
- sta->last_rx_bytes = sta->last_tx_bytes = 0;
- sta->acct_input_gigawords = sta->acct_output_gigawords = 0;
- hapd->drv.sta_clear_stats(hapd, sta->addr);
+ os_get_reltime(&sta->acct_session_start);
+ sta->last_rx_bytes_hi = 0;
+ sta->last_rx_bytes_lo = 0;
+ sta->last_tx_bytes_hi = 0;
+ sta->last_tx_bytes_lo = 0;
+ hostapd_drv_sta_clear_stats(hapd, sta->addr);
if (!hapd->conf->radius->acct_server)
return;
hapd, sta);
msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START);
- if (msg)
- radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr);
+ if (msg &&
+ radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr) < 0)
+ radius_msg_free(msg);
sta->acct_session_started = 1;
}
struct radius_msg *msg;
int cause = sta->acct_terminate_cause;
struct hostap_sta_driver_data data;
- u32 gigawords;
+ struct os_reltime now_r, diff;
+ u64 bytes;
if (!hapd->conf->radius->acct_server)
return;
stop ? RADIUS_ACCT_STATUS_TYPE_STOP :
RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE);
if (!msg) {
- printf("Could not create RADIUS Accounting message\n");
+ wpa_printf(MSG_INFO, "Could not create RADIUS Accounting message");
return;
}
+ os_get_reltime(&now_r);
+ os_reltime_sub(&now_r, &sta->acct_session_start, &diff);
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME,
- time(NULL) - sta->acct_session_start)) {
- printf("Could not add Acct-Session-Time\n");
+ diff.sec)) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Session-Time");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_PACKETS,
data.rx_packets)) {
- printf("Could not add Acct-Input-Packets\n");
+ wpa_printf(MSG_INFO, "Could not add Acct-Input-Packets");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_PACKETS,
data.tx_packets)) {
- printf("Could not add Acct-Output-Packets\n");
+ wpa_printf(MSG_INFO, "Could not add Acct-Output-Packets");
goto fail;
}
+ if (data.bytes_64bit)
+ bytes = data.rx_bytes;
+ else
+ bytes = ((u64) sta->last_rx_bytes_hi << 32) |
+ sta->last_rx_bytes_lo;
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_OCTETS,
- data.rx_bytes)) {
- printf("Could not add Acct-Input-Octets\n");
+ (u32) bytes)) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Input-Octets");
goto fail;
}
- gigawords = sta->acct_input_gigawords;
-#if __WORDSIZE == 64
- gigawords += data.rx_bytes >> 32;
-#endif
- if (gigawords &&
- !radius_msg_add_attr_int32(
- msg, RADIUS_ATTR_ACCT_INPUT_GIGAWORDS,
- gigawords)) {
- printf("Could not add Acct-Input-Gigawords\n");
+ if (!radius_msg_add_attr_int32(msg,
+ RADIUS_ATTR_ACCT_INPUT_GIGAWORDS,
+ (u32) (bytes >> 32))) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Input-Gigawords");
goto fail;
}
+ if (data.bytes_64bit)
+ bytes = data.tx_bytes;
+ else
+ bytes = ((u64) sta->last_tx_bytes_hi << 32) |
+ sta->last_tx_bytes_lo;
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_OCTETS,
- data.tx_bytes)) {
- printf("Could not add Acct-Output-Octets\n");
+ (u32) bytes)) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Output-Octets");
goto fail;
}
- gigawords = sta->acct_output_gigawords;
-#if __WORDSIZE == 64
- gigawords += data.tx_bytes >> 32;
-#endif
- if (gigawords &&
- !radius_msg_add_attr_int32(
- msg, RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS,
- gigawords)) {
- printf("Could not add Acct-Output-Gigawords\n");
+ if (!radius_msg_add_attr_int32(msg,
+ RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS,
+ (u32) (bytes >> 32))) {
+ wpa_printf(MSG_INFO, "Could not add Acct-Output-Gigawords");
goto fail;
}
}
- if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
- time(NULL))) {
- printf("Could not add Event-Timestamp\n");
- goto fail;
- }
-
if (eloop_terminated())
cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT;
if (stop && cause &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
cause)) {
- printf("Could not add Acct-Terminate-Cause\n");
+ wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause");
goto fail;
}
- radius_client_send(hapd->radius, msg,
- stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
- sta->addr);
+ if (radius_client_send(hapd->radius, msg,
+ stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
+ sta->addr) < 0)
+ goto fail;
return;
fail:
* @hapd: hostapd BSS data
* @sta: The station
*/
-void accounting_sta_interim(struct hostapd_data *hapd, struct sta_info *sta)
+static void accounting_sta_interim(struct hostapd_data *hapd,
+ struct sta_info *sta)
{
if (sta->acct_session_started)
accounting_sta_report(hapd, sta, 0);
eloop_cancel_timeout(accounting_interim_update, hapd, sta);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
- "stopped accounting session %08X-%08X",
- sta->acct_session_id_hi,
- sta->acct_session_id_lo);
+ "stopped accounting session %016llX",
+ (unsigned long long) sta->acct_session_id);
sta->acct_session_started = 0;
}
}
-static void accounting_sta_get_id(struct hostapd_data *hapd,
- struct sta_info *sta)
+int accounting_sta_get_id(struct hostapd_data *hapd, struct sta_info *sta)
{
- sta->acct_session_id_lo = hapd->acct_session_id_lo++;
- if (hapd->acct_session_id_lo == 0) {
- hapd->acct_session_id_hi++;
- }
- sta->acct_session_id_hi = hapd->acct_session_id_hi;
+ return radius_gen_session_id((u8 *) &sta->acct_session_id,
+ sizeof(sta->acct_session_id));
}
void *data)
{
if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_RESPONSE) {
- printf("Unknown RADIUS message code\n");
+ wpa_printf(MSG_INFO, "Unknown RADIUS message code");
return RADIUS_RX_UNKNOWN;
}
if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) {
- printf("Incoming RADIUS packet did not have correct "
- "Authenticator - dropped\n");
+ wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have correct Authenticator - dropped");
return RADIUS_RX_INVALID_AUTHENTICATOR;
}
if (!msg)
return;
- if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
- RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT))
- {
- printf("Could not add Acct-Terminate-Cause\n");
+ if (hapd->acct_session_id) {
+ char buf[20];
+
+ os_snprintf(buf, sizeof(buf), "%016llX",
+ (unsigned long long) hapd->acct_session_id);
+ if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
+ (u8 *) buf, os_strlen(buf)))
+ wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id");
+ }
+
+ if (radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL) < 0)
radius_msg_free(msg);
+}
+
+
+static void accounting_interim_error_cb(const u8 *addr, void *ctx)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta;
+ unsigned int i, wait_time;
+ int res;
+
+ sta = ap_get_sta(hapd, addr);
+ if (!sta)
+ return;
+ sta->acct_interim_errors++;
+ if (sta->acct_interim_errors > 10 /* RADIUS_CLIENT_MAX_RETRIES */) {
+ wpa_printf(MSG_DEBUG,
+ "Interim RADIUS accounting update failed for " MACSTR
+ " - too many errors, abandon this interim accounting update",
+ MAC2STR(addr));
+ sta->acct_interim_errors = 0;
+ /* Next update will be tried after normal update interval */
return;
}
- radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL);
+ /*
+ * Use a shorter update interval as an improved retransmission mechanism
+ * for failed interim accounting updates. This allows the statistics to
+ * be updated for each retransmission.
+ *
+ * RADIUS client code has already waited RADIUS_CLIENT_FIRST_WAIT.
+ * Schedule the first retry attempt immediately and every following one
+ * with exponential backoff.
+ */
+ if (sta->acct_interim_errors == 1) {
+ wait_time = 0;
+ } else {
+ wait_time = 3; /* RADIUS_CLIENT_FIRST_WAIT */
+ for (i = 1; i < sta->acct_interim_errors; i++)
+ wait_time *= 2;
+ }
+ res = eloop_deplete_timeout(wait_time, 0, accounting_interim_update,
+ hapd, sta);
+ if (res == 1)
+ wpa_printf(MSG_DEBUG,
+ "Interim RADIUS accounting update failed for " MACSTR
+ " (error count: %u) - schedule next update in %u seconds",
+ MAC2STR(addr), sta->acct_interim_errors, wait_time);
+ else if (res == 0)
+ wpa_printf(MSG_DEBUG,
+ "Interim RADIUS accounting update failed for " MACSTR
+ " (error count: %u)", MAC2STR(addr),
+ sta->acct_interim_errors);
+ else
+ wpa_printf(MSG_DEBUG,
+ "Interim RADIUS accounting update failed for " MACSTR
+ " (error count: %u) - no timer found", MAC2STR(addr),
+ sta->acct_interim_errors);
}
*/
int accounting_init(struct hostapd_data *hapd)
{
- /* Acct-Session-Id should be unique over reboots. If reliable clock is
- * not available, this could be replaced with reboot counter, etc. */
- hapd->acct_session_id_hi = time(NULL);
+ if (radius_gen_session_id((u8 *) &hapd->acct_session_id,
+ sizeof(hapd->acct_session_id)) < 0)
+ return -1;
if (radius_client_register(hapd->radius, RADIUS_ACCT,
accounting_receive, hapd))
return -1;
+ radius_client_set_interim_error_cb(hapd->radius,
+ accounting_interim_error_cb, hapd);
accounting_report_state(hapd, 1);
/**
- * accounting_deinit: Deinitilize accounting
+ * accounting_deinit: Deinitialize accounting
* @hapd: hostapd BSS data
*/
void accounting_deinit(struct hostapd_data *hapd)
projects / mech_eap.git / blobdiff