18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / RADIUS Accounting 304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Copyright (c) 2002-2009, 2012, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/eloop.h" 13fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#include "eapol_auth/eapol_auth_sm.h" 14fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#include "eapol_auth/eapol_auth_sm_i.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius_client.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_1x.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "accounting.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Default interval in seconds for polling TX/RX octets from the driver if 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * STA is not using interim accounting. This detects wrap arounds for 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * input/output octets and updates Acct-{Input,Output}-Gigawords. */ 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ACCT_DEFAULT_UPDATE_INTERVAL 300 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic void accounting_sta_interim(struct hostapd_data *hapd, 3161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta); 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct radius_msg * accounting_msg(struct hostapd_data *hapd, 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int status_type) 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[128]; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *val; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 4304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wpabuf *b; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST, 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_get_id(hapd->radius)); 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 48cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not create new RADIUS packet"); 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta)); 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 55fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if ((hapd->conf->wpa & 2) && 56fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt !hapd->conf->disable_pmksa_caching && 57fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sta->eapol_sm && sta->eapol_sm->acct_multi_session_id_hi) { 58fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_snprintf(buf, sizeof(buf), "%08X+%08X", 59fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sta->eapol_sm->acct_multi_session_id_hi, 60fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sta->eapol_sm->acct_multi_session_id_lo); 61fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (!radius_msg_add_attr( 62fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt msg, RADIUS_ATTR_ACCT_MULTI_SESSION_ID, 63fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 64fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_INFO, 65fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt "Could not add Acct-Multi-Session-Id"); 66fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt goto fail; 67fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd)); 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE, 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt status_type)) { 75cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Status-Type"); 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr, 8004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_ACCT_AUTHENTIC) && 8104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC, 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ieee802_1x ? 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_AUTHENTIC_RADIUS : 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_AUTHENTIC_LOCAL)) { 85cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Authentic"); 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 9061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Use 802.1X identity if available */ 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val = ieee802_1x_get_identity(sta->eapol_sm, &len); 9261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Use RADIUS ACL identity if 802.1X provides no identity */ 9461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!val && sta->identity) { 9561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt val = (u8 *) sta->identity; 9661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt len = os_strlen(sta->identity); 9761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 9861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* Use STA MAC if neither 802.1X nor RADIUS ACL provided 10061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * identity */ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!val) { 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val = (u8 *) buf; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = os_strlen(buf); 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val, 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len)) { 110cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add User-Name"); 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (add_common_radius_attr(hapd, hapd->conf->radius_acct_req_attr, sta, 11661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt msg) < 0) 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; ; i++) { 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val = ieee802_1x_get_radius_class(sta->eapol_sm, &len, 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i); 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (val == NULL) 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS, 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val, len)) { 128cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Class"); 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 13304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt b = ieee802_1x_get_radius_cui(sta->eapol_sm); 13404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (b && 13504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt !radius_msg_add_attr(msg, 13604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_CHARGEABLE_USER_IDENTITY, 13704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_head(b), wpabuf_len(b))) { 13804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_ERROR, "Could not add CUI"); 13904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt goto fail; 14004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 14104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 14261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!b && sta->radius_cui && 14361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt !radius_msg_add_attr(msg, 14461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt RADIUS_ATTR_CHARGEABLE_USER_IDENTITY, 14561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (u8 *) sta->radius_cui, 14661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_strlen(sta->radius_cui))) { 14761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add CUI from ACL"); 14804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt goto fail; 14904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fail: 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int accounting_sta_update_stats(struct hostapd_data *hapd, 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostap_sta_driver_data *data) 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_read_sta_data(hapd, data, sta->addr)) 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->last_rx_bytes > data->rx_bytes) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_input_gigawords++; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->last_tx_bytes > data->tx_bytes) 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_output_gigawords++; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_rx_bytes = data->rx_bytes; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_tx_bytes = data->tx_bytes; 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "updated TX/RX stats: " 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Acct-Input-Octets=%lu Acct-Input-Gigawords=%u " 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Acct-Output-Octets=%lu Acct-Output-Gigawords=%u", 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_rx_bytes, sta->acct_input_gigawords, 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_tx_bytes, sta->acct_output_gigawords); 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_interim_update(void *eloop_ctx, void *timeout_ctx) 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = eloop_ctx; 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = timeout_ctx; 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int interval; 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_interim_interval) { 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_interim(hapd, sta); 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = sta->acct_interim_interval; 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostap_sta_driver_data data; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_update_stats(hapd, sta, &data); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = ACCT_DEFAULT_UPDATE_INTERVAL; 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(interval, 0, accounting_interim_update, 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd, sta); 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_sta_start - Start STA accounting 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta) 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int interval; 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_session_started) 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "starting accounting session %08X-%08X", 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi, sta->acct_session_id_lo); 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 223fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&sta->acct_session_start); 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_rx_bytes = sta->last_tx_bytes = 0; 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_input_gigawords = sta->acct_output_gigawords = 0; 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_clear_stats(hapd, sta->addr); 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server) 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_interim_interval) 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = sta->acct_interim_interval; 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = ACCT_DEFAULT_UPDATE_INTERVAL; 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(interval, 0, accounting_interim_update, 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd, sta); 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START); 23904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (msg && 24004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr) < 0) 24104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt radius_msg_free(msg); 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_started = 1; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_sta_report(struct hostapd_data *hapd, 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, int stop) 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int cause = sta->acct_terminate_cause; 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostap_sta_driver_data data; 253fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now_r, diff; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 gigawords; 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server) 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = accounting_msg(hapd, sta, 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt stop ? RADIUS_ACCT_STATUS_TYPE_STOP : 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE); 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!msg) { 264cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not create RADIUS Accounting message"); 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 268fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now_r); 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 270fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_reltime_sub(&now_r, &sta->acct_session_start, &diff); 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME, 272fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt diff.sec)) { 273cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Session-Time"); 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (accounting_sta_update_stats(hapd, sta, &data) == 0) { 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_INPUT_PACKETS, 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.rx_packets)) { 281cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Input-Packets"); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_OUTPUT_PACKETS, 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.tx_packets)) { 287cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Output-Packets"); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_INPUT_OCTETS, 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.rx_bytes)) { 293cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Input-Octets"); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords = sta->acct_input_gigawords; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __WORDSIZE == 64 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords += data.rx_bytes >> 32; 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (gigawords && 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32( 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg, RADIUS_ATTR_ACCT_INPUT_GIGAWORDS, 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords)) { 304cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Input-Gigawords"); 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_OUTPUT_OCTETS, 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.tx_bytes)) { 310cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Output-Octets"); 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords = sta->acct_output_gigawords; 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __WORDSIZE == 64 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords += data.tx_bytes >> 32; 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (gigawords && 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32( 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg, RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS, 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords)) { 321cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Output-Gigawords"); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP, 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt now.sec)) { 328cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Event-Timestamp"); 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eloop_terminated()) 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (stop && cause && 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE, 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cause)) { 338cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause"); 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (radius_client_send(hapd->radius, msg, 34304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM, 34404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sta->addr) < 0) 34504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt goto fail; 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fail: 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_sta_interim - Send a interim STA accounting report 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 35861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic void accounting_sta_interim(struct hostapd_data *hapd, 35961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta) 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_session_started) 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_report(hapd, sta, 0); 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_sta_stop - Stop STA accounting 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta) 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_session_started) { 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_report(hapd, sta, 1); 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(accounting_interim_update, hapd, sta); 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "stopped accounting session %08X-%08X", 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi, 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_lo); 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_started = 0; 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 386a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtvoid accounting_sta_get_id(struct hostapd_data *hapd, 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta) 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_lo = hapd->acct_session_id_lo++; 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->acct_session_id_lo == 0) { 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->acct_session_id_hi++; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi = hapd->acct_session_id_hi; 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_receive - Process the RADIUS frames from Accounting Server 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: RADIUS response message 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @req: RADIUS request message 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @shared_secret: RADIUS shared secret 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @shared_secret_len: Length of shared_secret in octets 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: Context data (struct hostapd_data *) 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Processing status 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic RadiusRxResult 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtaccounting_receive(struct radius_msg *msg, struct radius_msg *req, 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *shared_secret, size_t shared_secret_len, 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *data) 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_RESPONSE) { 412cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Unknown RADIUS message code"); 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_UNKNOWN; 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) { 417cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have correct Authenticator - dropped"); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_INVALID_AUTHENTICATOR; 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_PROCESSED; 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_report_state(struct hostapd_data *hapd, int on) 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server || hapd->radius == NULL) 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Inform RADIUS server that accounting will start/stop so that the 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * server can close old accounting sessions. */ 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = accounting_msg(hapd, NULL, 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt on ? RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON : 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF); 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!msg) 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE, 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT)) 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 443cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause"); 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 44804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL) < 0) 44904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt radius_msg_free(msg); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_init: Initialize accounting 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint accounting_init(struct hostapd_data *hapd) 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4627a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt /* Acct-Session-Id should be unique over reboots. Using a random number 4637a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt * is preferred. If that is not available, take the current time. Mix 4647a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt * in microseconds to make this more likely to be unique. */ 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 4667a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt if (os_get_random((u8 *) &hapd->acct_session_id_hi, 4677a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt sizeof(hapd->acct_session_id_hi)) < 0) 4687a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt hapd->acct_session_id_hi = now.sec; 4697a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt hapd->acct_session_id_hi ^= now.usec; 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_client_register(hapd->radius, RADIUS_ACCT, 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_receive, hapd)) 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_report_state(hapd, 1); 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4827a53dbb56693ee9f55c0cab1a8297436511e8613Dmitry Shmidt * accounting_deinit: Deinitialize accounting 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_deinit(struct hostapd_data *hapd) 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_report_state(hapd, 0); 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 489