accounting.c revision 8d520ff1dc2da35cdca849e982051b86468016d8
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / RADIUS Accounting 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 58d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This program is free software; you can redistribute it and/or modify 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it under the terms of the GNU General Public License version 2 as 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * published by the Free Software Foundation. 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Alternatively, this software may be distributed under the terms of BSD 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * license. 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See README and COPYING for more details. 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/includes.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/eloop.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "drivers/driver.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius_client.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_1x.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "accounting.h" 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Default interval in seconds for polling TX/RX octets from the driver if 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * STA is not using interim accounting. This detects wrap arounds for 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * input/output octets and updates Acct-{Input,Output}-Gigawords. */ 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define ACCT_DEFAULT_UPDATE_INTERVAL 300 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_sta_get_id(struct hostapd_data *hapd, 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta); 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct radius_msg * accounting_msg(struct hostapd_data *hapd, 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int status_type) 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[128]; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *val; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST, 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_get_id(hapd->radius)); 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not create net RADIUS packet\n"); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta)); 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), "%08X-%08X", 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi, sta->acct_session_id_lo); 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID, 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Session-Id\n"); 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd)); 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE, 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt status_type)) { 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Status-Type\n"); 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC, 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ieee802_1x ? 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_AUTHENTIC_RADIUS : 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_AUTHENTIC_LOCAL)) { 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Authentic\n"); 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val = ieee802_1x_get_identity(sta->eapol_sm, &len); 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!val) { 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val = (u8 *) buf; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = os_strlen(buf); 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val, 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len)) { 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add User-Name\n"); 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->own_ip_addr.af == AF_INET && 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS, 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) { 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add NAS-IP-Address\n"); 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IPV6 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->own_ip_addr.af == AF_INET6 && 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS, 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) { 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add NAS-IPv6-Address\n"); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IPV6 */ 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->nas_identifier && 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER, 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) hapd->conf->nas_identifier, 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlen(hapd->conf->nas_identifier))) { 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add NAS-Identifier\n"); 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta && 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) { 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add NAS-Port\n"); 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s", 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid); 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID, 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Called-Station-Id\n"); 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT, 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID, 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Calling-Station-Id\n"); 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32( 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg, RADIUS_ATTR_NAS_PORT_TYPE, 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_NAS_PORT_TYPE_IEEE_802_11)) { 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add NAS-Port-Type\n"); 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), "CONNECT %d%sMbps %s", 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_sta_rate(hapd, sta) / 2, 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (radius_sta_rate(hapd, sta) & 1) ? ".5" : "", 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_mode_txt(hapd)); 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO, 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Connect-Info\n"); 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; ; i++) { 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val = ieee802_1x_get_radius_class(sta->eapol_sm, &len, 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i); 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (val == NULL) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS, 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt val, len)) { 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Class\n"); 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fail: 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int accounting_sta_update_stats(struct hostapd_data *hapd, 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostap_sta_driver_data *data) 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_read_sta_data(hapd, data, sta->addr)) 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->last_rx_bytes > data->rx_bytes) 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_input_gigawords++; 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->last_tx_bytes > data->tx_bytes) 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_output_gigawords++; 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_rx_bytes = data->rx_bytes; 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_tx_bytes = data->tx_bytes; 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "updated TX/RX stats: " 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Acct-Input-Octets=%lu Acct-Input-Gigawords=%u " 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Acct-Output-Octets=%lu Acct-Output-Gigawords=%u", 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_rx_bytes, sta->acct_input_gigawords, 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_tx_bytes, sta->acct_output_gigawords); 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_interim_update(void *eloop_ctx, void *timeout_ctx) 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = eloop_ctx; 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = timeout_ctx; 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int interval; 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_interim_interval) { 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_interim(hapd, sta); 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = sta->acct_interim_interval; 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostap_sta_driver_data data; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_update_stats(hapd, sta, &data); 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = ACCT_DEFAULT_UPDATE_INTERVAL; 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(interval, 0, accounting_interim_update, 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd, sta); 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_sta_start - Start STA accounting 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta) 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int interval; 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_session_started) 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_get_id(hapd, sta); 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "starting accounting session %08X-%08X", 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi, sta->acct_session_id_lo); 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt time(&sta->acct_session_start); 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->last_rx_bytes = sta->last_tx_bytes = 0; 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_input_gigawords = sta->acct_output_gigawords = 0; 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_clear_stats(hapd, sta->addr); 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server) 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_interim_interval) 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = sta->acct_interim_interval; 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt interval = ACCT_DEFAULT_UPDATE_INTERVAL; 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(interval, 0, accounting_interim_update, 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd, sta); 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START); 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg) 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr); 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_started = 1; 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_sta_report(struct hostapd_data *hapd, 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, int stop) 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int cause = sta->acct_terminate_cause; 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostap_sta_driver_data data; 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 gigawords; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server) 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = accounting_msg(hapd, sta, 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt stop ? RADIUS_ACCT_STATUS_TYPE_STOP : 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!msg) { 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not create RADIUS Accounting message\n"); 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME, 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt now.sec - sta->acct_session_start)) { 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Session-Time\n"); 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (accounting_sta_update_stats(hapd, sta, &data) == 0) { 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_INPUT_PACKETS, 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.rx_packets)) { 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Input-Packets\n"); 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_OUTPUT_PACKETS, 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.tx_packets)) { 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Output-Packets\n"); 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_INPUT_OCTETS, 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.rx_bytes)) { 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Input-Octets\n"); 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords = sta->acct_input_gigawords; 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __WORDSIZE == 64 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords += data.rx_bytes >> 32; 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (gigawords && 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32( 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg, RADIUS_ATTR_ACCT_INPUT_GIGAWORDS, 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords)) { 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Input-Gigawords\n"); 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_ACCT_OUTPUT_OCTETS, 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.tx_bytes)) { 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Output-Octets\n"); 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords = sta->acct_output_gigawords; 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if __WORDSIZE == 64 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords += data.tx_bytes >> 32; 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (gigawords && 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32( 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg, RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS, 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt gigawords)) { 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Output-Gigawords\n"); 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP, 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt now.sec)) { 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Event-Timestamp\n"); 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eloop_terminated()) 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT; 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (stop && cause && 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE, 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cause)) { 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Terminate-Cause\n"); 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_send(hapd->radius, msg, 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM, 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->addr); 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fail: 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_sta_interim - Send a interim STA accounting report 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_sta_interim(struct hostapd_data *hapd, struct sta_info *sta) 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_session_started) 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_report(hapd, sta, 0); 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_sta_stop - Stop STA accounting 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta) 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->acct_session_started) { 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_report(hapd, sta, 1); 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(accounting_interim_update, hapd, sta); 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "stopped accounting session %08X-%08X", 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi, 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_lo); 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_started = 0; 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_sta_get_id(struct hostapd_data *hapd, 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta) 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_lo = hapd->acct_session_id_lo++; 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->acct_session_id_lo == 0) { 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->acct_session_id_hi++; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi = hapd->acct_session_id_hi; 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_receive - Process the RADIUS frames from Accounting Server 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: RADIUS response message 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @req: RADIUS request message 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @shared_secret: RADIUS shared secret 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @shared_secret_len: Length of shared_secret in octets 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: Context data (struct hostapd_data *) 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Processing status 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic RadiusRxResult 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtaccounting_receive(struct radius_msg *msg, struct radius_msg *req, 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *shared_secret, size_t shared_secret_len, 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *data) 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_RESPONSE) { 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Unknown RADIUS message code\n"); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_UNKNOWN; 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) { 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Incoming RADIUS packet did not have correct " 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Authenticator - dropped\n"); 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_INVALID_AUTHENTICATOR; 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_PROCESSED; 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void accounting_report_state(struct hostapd_data *hapd, int on) 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server || hapd->radius == NULL) 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Inform RADIUS server that accounting will start/stop so that the 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * server can close old accounting sessions. */ 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = accounting_msg(hapd, NULL, 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt on ? RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON : 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF); 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!msg) 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE, 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT)) 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Acct-Terminate-Cause\n"); 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL); 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_init: Initialize accounting 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint accounting_init(struct hostapd_data *hapd) 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Acct-Session-Id should be unique over reboots. If reliable clock is 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * not available, this could be replaced with reboot counter, etc. */ 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->acct_session_id_hi = now.sec; 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_client_register(hapd->radius, RADIUS_ACCT, 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_receive, hapd)) 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_report_state(hapd, 1); 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * accounting_deinit: Deinitilize accounting 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid accounting_deinit(struct hostapd_data *hapd) 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_report_state(hapd, 0); 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 506