ieee802_1x.c revision 9657139ca0bbea9a84e0a3c7e9438d1f53c9ed24
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / IEEE 802.1X-2004 Authenticator 3c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * Copyright (c) 2002-2012, 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" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/md5.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/crypto.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/random.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius_client.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_server/eap.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_common/eap_wsc_common.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_auth/eapol_auth_sm.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_auth/eapol_auth_sm_i.h" 231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "p2p/p2p.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "accounting.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth.h" 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "preauth_auth.h" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "pmksa_cache_auth.h" 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_1x.h" 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_finished(struct hostapd_data *hapd, 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, int success); 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_send(struct hostapd_data *hapd, struct sta_info *sta, 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 type, const u8 *data, size_t datalen) 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *buf; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *xhdr; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int encrypt = 0; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = sizeof(*xhdr) + datalen; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf = os_zalloc(len); 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf == NULL) { 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "malloc() failed for " 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ieee802_1x_send(len=%lu)", 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt xhdr = (struct ieee802_1x_hdr *) buf; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt xhdr->version = hapd->conf->eapol_version; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt xhdr->type = type; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt xhdr->length = host_to_be16(datalen); 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (datalen > 0 && data != NULL) 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(xhdr + 1, data, datalen); 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth_pairwise_set(sta->wpa_sm)) 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encrypt = 1; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->flags & WLAN_STA_PREAUTH) { 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rsn_preauth_send(hapd, sta, buf, len); 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 69a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt hostapd_drv_hapd_send_eapol( 70a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt hapd, sta->addr, buf, len, 71a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt encrypt, hostapd_sta_flags_to_drv(sta->flags)); 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(buf); 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_set_sta_authorized(struct hostapd_data *hapd, 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, int authorized) 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->flags & WLAN_STA_PREAUTH) 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (authorized) { 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_set_authorized(hapd, sta, 1); 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = hostapd_set_authorized(hapd, sta, 1); 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "authorizing port"); 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_set_authorized(hapd, sta, 0); 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = hostapd_set_authorized(hapd, sta, 0); 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "unauthorizing port"); 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res && errno != ENOENT) { 999657139ca0bbea9a84e0a3c7e9438d1f53c9ed24Dmitry Shmidt wpa_printf(MSG_DEBUG, "Could not set station " MACSTR 1009657139ca0bbea9a84e0a3c7e9438d1f53c9ed24Dmitry Shmidt " flags for kernel driver (errno=%d).", 1019657139ca0bbea9a84e0a3c7e9438d1f53c9ed24Dmitry Shmidt MAC2STR(sta->addr), errno); 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 104d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (authorized) { 105d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(&sta->connected_time); 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_start(hapd, sta); 107d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_tx_key_one(struct hostapd_data *hapd, 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int idx, int broadcast, 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *key_data, size_t key_len) 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *buf, *ekey; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *hdr; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_eapol_key *key; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len, ekey_len; 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = sizeof(*key) + key_len; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf = os_zalloc(sizeof(*hdr) + len); 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf == NULL) 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee802_1x_hdr *) buf; 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) (hdr + 1); 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type = EAPOL_KEY_TYPE_RC4; 13361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPA_PUT_BE16(key->key_length, key_len); 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_get_ntp_timestamp(key->replay_counter); 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(key->key_iv, sizeof(key->key_iv))) { 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not get random numbers"); 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(buf); 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index = idx | (broadcast ? 0 : BIT(7)); 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->eapol_key_index_workaround) { 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* According to some information, WinXP Supplicant seems to 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * interpret bit7 as an indication whether the key is to be 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * activated, so make it possible to enable workaround that 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * sets this bit for all keys. */ 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index |= BIT(7); 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Key is encrypted using "Key-IV + MSK[0..31]" as the RC4-key and 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * MSK[32..63] is used to sign the message. */ 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap_if->eapKeyData == NULL || sm->eap_if->eapKeyDataLen < 64) { 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "No eapKeyData available for encrypting " 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "and signing EAPOL-Key"); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(buf); 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy((u8 *) (key + 1), key_data, key_len); 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ekey_len = sizeof(key->key_iv) + 32; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ekey = os_malloc(ekey_len); 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ekey == NULL) { 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not encrypt key"); 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(buf); 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey, key->key_iv, sizeof(key->key_iv)); 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey + sizeof(key->key_iv), sm->eap_if->eapKeyData, 32); 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rc4_skip(ekey, ekey_len, 0, (u8 *) (key + 1), key_len); 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ekey); 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* This header is needed here for HMAC-MD5, but it will be regenerated 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * in ieee802_1x_send() */ 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->version = hapd->conf->eapol_version; 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type = IEEE802_1X_TYPE_EAPOL_KEY; 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->length = host_to_be16(len); 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_md5(sm->eap_if->eapKeyData + 32, 32, buf, sizeof(*hdr) + len, 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_signature); 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Sending EAPOL-Key to " MACSTR 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " (%s index=%d)", MAC2STR(sm->addr), 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt broadcast ? "broadcast" : "unicast", idx); 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_send(hapd, sta, IEEE802_1X_TYPE_EAPOL_KEY, (u8 *) key, len); 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm) 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthEapolFramesTx++; 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(buf); 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta) 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_authenticator *eapol = hapd->eapol_auth; 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || !sm->eap_if->eapKeyData) 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Sending EAPOL-Key(s) to " MACSTR, 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_VLAN 2025393a0f77c5281735888bd9dcf8d8abeb5961461Dmitry Shmidt if (sta->vlan_id > 0 && sta->vlan_id <= MAX_VLAN_ID) { 2035393a0f77c5281735888bd9dcf8d8abeb5961461Dmitry Shmidt wpa_printf(MSG_ERROR, "Using WEP with vlans is not supported."); 2045393a0f77c5281735888bd9dcf8d8abeb5961461Dmitry Shmidt return; 2055393a0f77c5281735888bd9dcf8d8abeb5961461Dmitry Shmidt } 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_VLAN */ 2075393a0f77c5281735888bd9dcf8d8abeb5961461Dmitry Shmidt 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eapol->default_wep_key) { 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_tx_key_one(hapd, sta, eapol->default_wep_key_idx, 1, 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key, 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->default_wep_key_len); 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->individual_wep_key_len > 0) { 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *ikey; 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ikey = os_malloc(hapd->conf->individual_wep_key_len); 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ikey == NULL || 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt random_get_bytes(ikey, hapd->conf->individual_wep_key_len)) 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not generate random " 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "individual WEP key."); 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ikey); 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "Individual WEP key", 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ikey, hapd->conf->individual_wep_key_len); 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_tx_key_one(hapd, sta, 0, 0, ikey, 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->individual_wep_key_len); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: set encryption in TX callback, i.e., only after STA 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * has ACKed EAPOL-Key frame */ 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_WEP, 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->addr, 0, 1, NULL, 0, ikey, 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->individual_wep_key_len)) { 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not set individual WEP " 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption."); 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(ikey); 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char *radius_mode_txt(struct hostapd_data *hapd) 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hapd->iface->conf->hw_mode) { 249a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt case HOSTAPD_MODE_IEEE80211AD: 250a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return "802.11ad"; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case HOSTAPD_MODE_IEEE80211A: 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "802.11a"; 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case HOSTAPD_MODE_IEEE80211G: 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "802.11g"; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case HOSTAPD_MODE_IEEE80211B: 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "802.11b"; 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint radius_sta_rate(struct hostapd_data *hapd, struct sta_info *sta) 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 rate = 0; 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < sta->supported_rates_len; i++) 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sta->supported_rates[i] & 0x7f) > rate) 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rate = sta->supported_rates[i] & 0x7f; 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return rate; 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_learn_identity(struct hostapd_data *hapd, 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm, 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *eap, size_t len) 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *identity; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t identity_len; 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len <= sizeof(struct eap_hdr) || 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap[sizeof(struct eap_hdr)] != EAP_TYPE_IDENTITY) 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt identity = eap_get_identity(sm->eap, &identity_len); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (identity == NULL) 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save station identity for future RADIUS packets */ 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->identity); 2934b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt sm->identity = (u8 *) dup_binstr(identity, identity_len); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->identity == NULL) { 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity_len = 0; 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity_len = identity_len; 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X, 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "STA identity '%s'", sm->identity); 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolRespIdFramesRx++; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int add_common_radius_sta_attr(struct hostapd_data *hapd, 30761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct hostapd_radius_attr *req_attr, 30861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta, 30961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct radius_msg *msg) 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[128]; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 31461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt RADIUS_ATTR_NAS_PORT) && 31561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) { 31661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add NAS-Port"); 31761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 31861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT, 32161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt MAC2STR(sta->addr)); 32261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[sizeof(buf) - 1] = '\0'; 32361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID, 32461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 32561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add Calling-Station-Id"); 32661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 32761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sta->flags & WLAN_STA_PREAUTH) { 33061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_strlcpy(buf, "IEEE 802.11i Pre-Authentication", 33161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sizeof(buf)); 33261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else { 33361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_snprintf(buf, sizeof(buf), "CONNECT %d%sMbps %s", 33461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt radius_sta_rate(hapd, sta) / 2, 33561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (radius_sta_rate(hapd, sta) & 1) ? ".5" : "", 33661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt radius_mode_txt(hapd)); 33761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buf[sizeof(buf) - 1] = '\0'; 33861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 33961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 34061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt RADIUS_ATTR_CONNECT_INFO) && 34161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO, 34261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 34361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add Connect-Info"); 34461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 347a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (sta->acct_session_id_hi || sta->acct_session_id_lo) { 348a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_snprintf(buf, sizeof(buf), "%08X-%08X", 349a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt sta->acct_session_id_hi, sta->acct_session_id_lo); 350a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID, 351a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 352a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id"); 353a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return -1; 354a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt } 355a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt } 356a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 35761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 0; 35861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 36161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint add_common_radius_attr(struct hostapd_data *hapd, 36261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct hostapd_radius_attr *req_attr, 36361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta, 36461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct radius_msg *msg) 36561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 36661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt char buf[128]; 36761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct hostapd_radius_attr *attr; 36861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 36961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 37004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_NAS_IP_ADDRESS) && 37104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hapd->conf->own_ip_addr.af == AF_INET && 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS, 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) { 37461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add NAS-IP-Address"); 37561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IPV6 37961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 38004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_NAS_IPV6_ADDRESS) && 38104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hapd->conf->own_ip_addr.af == AF_INET6 && 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS, 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) { 38461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add NAS-IPv6-Address"); 38561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IPV6 */ 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 38961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 39004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_NAS_IDENTIFIER) && 39104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hapd->conf->nas_identifier && 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER, 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) hapd->conf->nas_identifier, 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlen(hapd->conf->nas_identifier))) { 39561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add NAS-Identifier"); 39661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s", 40061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt MAC2STR(hapd->own_addr), 40161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_ssid_txt(hapd->conf->ssid.ssid, 40261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt hapd->conf->ssid.ssid_len)); 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf[sizeof(buf) - 1] = '\0'; 40461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 40504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_CALLED_STATION_ID) && 40604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID, 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) buf, os_strlen(buf))) { 40861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add Called-Station-Id"); 40961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 41261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!hostapd_config_get_radius_attr(req_attr, 41361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt RADIUS_ATTR_NAS_PORT_TYPE) && 41461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE, 41561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt RADIUS_NAS_PORT_TYPE_IEEE_802_11)) { 41661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add NAS-Port-Type"); 41761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 41861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 41961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 42061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sta && add_common_radius_sta_attr(hapd, req_attr, sta, msg) < 0) 42161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 42261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 42361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt for (attr = req_attr; attr; attr = attr->next) { 42461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!radius_msg_add_attr(msg, attr->type, 42561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_head(attr->val), 42661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_len(attr->val))) { 42761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not add RADIUS " 42861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt "attribute"); 42961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 43061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 43161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 43261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 43361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 0; 43461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 43561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 43661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 43761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd, 43861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta, 43961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *eap, size_t len) 44061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 44161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct radius_msg *msg; 44261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 44361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 44461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm == NULL) 44561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return; 44661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 44761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ieee802_1x_learn_identity(hapd, sm, eap, len); 44861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 44961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS " 45061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt "packet"); 45161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 45261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sm->radius_identifier = radius_client_get_id(hapd->radius); 45361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST, 45461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sm->radius_identifier); 45561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (msg == NULL) { 45661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt printf("Could not create net RADIUS packet\n"); 45761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return; 45861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 45961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 46061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta)); 46161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 46261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm->identity && 46361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, 46461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sm->identity, sm->identity_len)) { 46561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt printf("Could not add User-Name\n"); 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 46961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (add_common_radius_attr(hapd, hapd->conf->radius_auth_req_attr, sta, 47061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt msg) < 0) 47161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt goto fail; 47261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: should probably check MTU from driver config; 2304 is max for 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.11, but use 1400 to avoid problems with too large packets 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 47604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr, 47704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_FRAMED_MTU) && 47804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) { 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add Framed-MTU\n"); 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap && !radius_msg_add_eap(msg, eap, len)) { 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not add EAP-Message\n"); 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* State attribute must be copied if and only if this packet is 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Access-Request reply to the previous Access-Challenge */ 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_recv_radius && 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_get_hdr(sm->last_recv_radius)->code == 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_CODE_ACCESS_CHALLENGE) { 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res = radius_msg_copy_attr(msg, sm->last_recv_radius, 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ATTR_STATE); 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) { 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not copy State attribute from previous " 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Access-Challenge\n"); 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res > 0) { 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Copied RADIUS State Attribute"); 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 50504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (hapd->conf->radius_request_cui) { 50604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *cui; 50704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t cui_len; 50804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt /* Add previously learned CUI or nul CUI to request CUI */ 50904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (sm->radius_cui) { 51004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt cui = wpabuf_head(sm->radius_cui); 51104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt cui_len = wpabuf_len(sm->radius_cui); 51204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else { 51304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt cui = (const u8 *) "\0"; 51404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt cui_len = 1; 51504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 51604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (!radius_msg_add_attr(msg, 51704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt RADIUS_ATTR_CHARGEABLE_USER_IDENTITY, 51804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt cui, cui_len)) { 51904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_ERROR, "Could not add CUI"); 52004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt goto fail; 52104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 52204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 52304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, sta->addr) < 0) 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto fail; 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fail: 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(msg); 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void handle_eap_response(struct hostapd_data *hapd, 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, struct eap_hdr *eap, 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 type, *data; 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data = (u8 *) (eap + 1); 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*eap) + 1) { 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("handle_eap_response: too short response data\n"); 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_type_supp = type = data[0]; 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X, 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "received EAP packet (code=%d " 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "id=%d len=%d) from STA: EAP Response-%s (%d)", 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->code, eap->identifier, be_to_host16(eap->length), 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_server_get_name(0, type), type); 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolRespFramesRx++; 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eap_if->eapRespData); 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->eapRespData = wpabuf_alloc_copy(eap, len); 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Process incoming EAP packet from Supplicant */ 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void handle_eap(struct hostapd_data *hapd, struct sta_info *sta, 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *buf, size_t len) 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_hdr *eap; 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 eap_len; 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*eap)) { 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf(" too short EAP packet\n"); 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap = (struct eap_hdr *) buf; 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_len = be_to_host16(eap->length); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP: code=%d identifier=%d length=%d", 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->code, eap->identifier, eap_len); 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_len < sizeof(*eap)) { 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " Invalid EAP length"); 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (eap_len > len) { 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " Too short frame to contain this EAP " 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "packet"); 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (eap_len < len) { 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " Ignoring %lu extra bytes after EAP " 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "packet", (unsigned long) len - eap_len); 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (eap->code) { 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_REQUEST: 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " (request)"); 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_RESPONSE: 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " (response)"); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt handle_eap_response(hapd, sta, eap, eap_len); 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_SUCCESS: 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " (success)"); 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_FAILURE: 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " (failure)"); 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " (unknown code)"); 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eapol_state_machine * 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtieee802_1x_alloc_eapol_sm(struct hostapd_data *hapd, struct sta_info *sta) 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int flags = 0; 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->flags & WLAN_STA_PREAUTH) 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt flags |= EAPOL_SM_PREAUTH; 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->wpa_sm) { 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt flags |= EAPOL_SM_USES_WPA; 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth_sta_get_pmksa(sta->wpa_sm)) 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt flags |= EAPOL_SM_FROM_PMKSA_CACHE; 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eapol_auth_alloc(hapd->eapol_auth, sta->addr, flags, 62961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sta->wps_ie, sta->p2p_ie, sta, 63061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sta->identity, sta->radius_cui); 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * ieee802_1x_receive - Process the EAPOL frames from the Supplicant 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sa: Source address (sender of the EAPOL frame) 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: EAPOL frame 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of buf in octets 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called for each incoming EAPOL frame from the interface 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf, 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *hdr; 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_eapol_key *key; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 datalen; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_pmksa_cache_entry *pmksa; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int key_mgmt; 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !hapd->conf->wps_state) 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: %lu bytes from " MACSTR, 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len, MAC2STR(sa)); 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_get_sta(hapd, sa); 6601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!sta || (!(sta->flags & (WLAN_STA_ASSOC | WLAN_STA_PREAUTH)) && 6611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED))) { 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X data frame from not " 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "associated/Pre-authenticating STA"); 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*hdr)) { 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf(" too short IEEE 802.1X packet\n"); 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee802_1x_hdr *) buf; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datalen = be_to_host16(hdr->length); 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " IEEE 802.1X: version=%d type=%d length=%d", 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->version, hdr->type, datalen); 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len - sizeof(*hdr) < datalen) { 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf(" frame too short for this IEEE 802.1X packet\n"); 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm) 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthEapLengthErrorFramesRx++; 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len - sizeof(*hdr) > datalen) { 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " ignoring %lu extra octets after " 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "IEEE 802.1X packet", 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len - sizeof(*hdr) - datalen); 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm) { 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthLastEapolFrameVersion = hdr->version; 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthEapolFramesRx++; 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) (hdr + 1); 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (datalen >= sizeof(struct ieee802_1x_eapol_key) && 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type == IEEE802_1X_TYPE_EAPOL_KEY && 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (key->type == EAPOL_KEY_TYPE_WPA || 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type == EAPOL_KEY_TYPE_RSN)) { 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_receive(hapd->wpa_auth, sta->wpa_sm, (u8 *) hdr, 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(*hdr) + datalen); 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->ieee802_1x && 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) { 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore EAPOL message - " 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "802.1X not enabled and WPS not used"); 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_mgmt = wpa_auth_sta_key_mgmt(sta->wpa_sm); 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_mgmt != -1 && wpa_key_mgmt_wpa_psk(key_mgmt)) { 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore EAPOL message - " 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "STA is using PSK"); 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sta->eapol_sm) { 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm = ieee802_1x_alloc_eapol_sm(hapd, sta); 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sta->eapol_sm) 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 7241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->conf->ieee802_1x) { 7251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u32 wflags = sta->flags & (WLAN_STA_WPS | 7261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_STA_WPS2 | 7271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_STA_MAYBE_WPS); 7281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wflags == WLAN_STA_MAYBE_WPS || 7291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wflags == (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)) { 7301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 7311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Delay EAPOL frame transmission until a 7321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * possible WPS STA initiates the handshake 7331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * with EAPOL-Start. Only allow the wait to be 7341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * skipped if the STA is known to support WPS 7351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * 2.0. 7361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 7371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Do not start " 7381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "EAPOL until EAPOL-Start is " 7391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "received"); 7401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt sta->eapol_sm->flags |= EAPOL_SM_WAIT_START; 7411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eap_if->portEnabled = TRUE; 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* since we support version 1, we can ignore version field and proceed 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * as specified in version 1 standard [IEEE Std 802.1X-2001, 7.5.5] */ 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: actually, we are not version 1 anymore.. However, Version 2 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * does not change frame contents, so should be ok to process frames 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * more or less identically. Some changes might be needed for 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * verification of fields. */ 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->type) { 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAP_PACKET: 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt handle_eap(hapd, sta, (u8 *) (hdr + 1), datalen); 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_START: 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "received EAPOL-Start " 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "from STA"); 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->flags &= ~EAPOL_SM_WAIT_START; 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmksa = wpa_auth_sta_get_pmksa(sta->wpa_sm); 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmksa) { 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA, 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "cached PMKSA " 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "available - ignore it since " 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "STA sent EAPOL-Start"); 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sta_clear_pmksa(sta->wpa_sm, pmksa); 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eapolStart = TRUE; 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthEapolStartFramesRx++; 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_server_clear_identity(sta->eapol_sm->eap); 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH_EAPOL); 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_LOGOFF: 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "received EAPOL-Logoff " 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "from STA"); 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_terminate_cause = 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_stop(hapd, sta); 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eapolLogoff = TRUE; 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthEapolLogoffFramesRx++; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_server_clear_identity(sta->eapol_sm->eap); 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_KEY: 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " EAPOL-Key"); 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ap_sta_is_authorized(sta)) { 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " Dropped key data from " 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unauthorized Supplicant"); 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_ENCAPSULATED_ASF_ALERT: 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " EAPOL-Encapsulated-ASF-Alert"); 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: implement support for this; show data */ 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, " unknown IEEE 802.1X packet type"); 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->dot1xAuthInvalidEapolFramesRx++; 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_step(sta->eapol_sm); 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * ieee802_1x_new_station - Start IEEE 802.1X authentication 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: hostapd BSS data 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: The station 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to start IEEE 802.1X authentication when a new 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * station completes IEEE 802.11 association. 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta) 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_pmksa_cache_entry *pmksa; 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int reassoc = 1; 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int force_1x = 0; 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int key_mgmt; 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state && hapd->conf->wpa && 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) { 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Need to enable IEEE 802.1X/EAPOL state machines for possible 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WPS handshake even if IEEE 802.1X/EAPOL is not used for 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authentication in this BSS. 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt force_1x = 1; 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!force_1x && !hapd->conf->ieee802_1x) { 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - " 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "802.1X not enabled or forced for WPS"); 84504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt /* 84604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Clear any possible EAPOL authenticator state to support 84704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * reassociation change from WPS to PSK. 84804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt */ 84904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ieee802_1x_free_station(sta); 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_mgmt = wpa_auth_sta_key_mgmt(sta->wpa_sm); 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_mgmt != -1 && wpa_key_mgmt_wpa_psk(key_mgmt)) { 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - using PSK"); 85604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt /* 85704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Clear any possible EAPOL authenticator state to support 85804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * reassociation change from WPA-EAP to PSK. 85904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt */ 86004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ieee802_1x_free_station(sta); 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm == NULL) { 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "start authentication"); 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm = ieee802_1x_alloc_eapol_sm(hapd, sta); 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm == NULL) { 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_MODULE_IEEE8021X, 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "failed to allocate state machine"); 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reassoc = 0; 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->flags &= ~EAPOL_SM_WAIT_START; 8801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->conf->ieee802_1x && !(sta->flags & WLAN_STA_WPS2)) { 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 8821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Delay EAPOL frame transmission until a possible WPS STA 8831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * initiates the handshake with EAPOL-Start. Only allow the 8841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wait to be skipped if the STA is known to support WPS 2.0. 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Do not start EAPOL until " 8871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "EAPOL-Start is received"); 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->flags |= EAPOL_SM_WAIT_START; 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eap_if->portEnabled = TRUE; 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->auth_alg == WLAN_AUTH_FT) { 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PMK from FT - skip IEEE 802.1X/EAP"); 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Setup EAPOL state machines to already authenticated state 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * because of existing FT information from R0KH. */ 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->keyRun = TRUE; 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eap_if->eapKeyAvailable = TRUE; 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->auth_pae_state = AUTH_PAE_AUTHENTICATING; 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->be_auth_state = BE_AUTH_SUCCESS; 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->authSuccess = TRUE; 906c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sta->eapol_sm->authFail = FALSE; 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm->eap) 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_notify_cached(sta->eapol_sm->eap); 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: get vlan_id from R0KH using RRB message */ 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmksa = wpa_auth_sta_get_pmksa(sta->wpa_sm); 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmksa) { 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int old_vlanid; 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PMK from PMKSA cache - skip IEEE 802.1X/EAP"); 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Setup EAPOL state machines to already authenticated state 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * because of existing PMKSA information in the cache. */ 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->keyRun = TRUE; 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eap_if->eapKeyAvailable = TRUE; 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->auth_pae_state = AUTH_PAE_AUTHENTICATING; 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->be_auth_state = BE_AUTH_SUCCESS; 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->authSuccess = TRUE; 928c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sta->eapol_sm->authFail = FALSE; 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm->eap) 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_notify_cached(sta->eapol_sm->eap); 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt old_vlanid = sta->vlan_id; 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmksa_cache_to_eapol_data(pmksa, sta->eapol_sm); 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED) 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->vlan_id = 0; 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_bind_vlan(hapd, sta, old_vlanid); 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reassoc) { 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Force EAPOL state machines to start 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * re-authentication without having to wait for the 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Supplicant to send EAPOL-Start. 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->reAuthenticate = TRUE; 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_step(sta->eapol_sm); 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_free_station(struct sta_info *sta) 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm = NULL; 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(sm->last_recv_radius); 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_free_class(&sm->radius_class); 96204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_free(sm->radius_cui); 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->identity); 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_free(sm); 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_decapsulate_radius(struct hostapd_data *hapd, 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta) 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 97461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct wpabuf *eap; 97561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const struct eap_hdr *hdr; 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int eap_type = -1; 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char buf[64]; 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg; 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->last_recv_radius == NULL) { 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapNoReq = TRUE; 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = sm->last_recv_radius; 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt eap = radius_msg_get_eap(msg); 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap == NULL) { 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RFC 3579, Chap. 2.6.3: 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * attribute */ 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_WARNING, "could not extract " 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP-Message from RADIUS message"); 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapNoReq = TRUE; 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 100161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wpabuf_len(eap) < sizeof(*hdr)) { 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_WARNING, "too short EAP packet " 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received from authentication server"); 100561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_free(eap); 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapNoReq = TRUE; 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 101061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wpabuf_len(eap) > sizeof(*hdr)) 101161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)]; 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 101361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt hdr = wpabuf_head(eap); 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->code) { 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_REQUEST: 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_type >= 0) 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_type_authsrv = eap_type; 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)", 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_type >= 0 ? eap_server_get_name(0, eap_type) : 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "??", 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_type); 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_RESPONSE: 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)", 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_type >= 0 ? eap_server_get_name(0, eap_type) : 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "??", 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_type); 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_SUCCESS: 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlcpy(buf, "EAP Success", sizeof(buf)); 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_FAILURE: 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlcpy(buf, "EAP Failure", sizeof(buf)); 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strlcpy(buf, "unknown EAP code", sizeof(buf)); 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf[sizeof(buf) - 1] = '\0'; 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "decapsulated EAP packet (code=%d " 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "id=%d len=%d) from RADIUS server: %s", 10438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->code, hdr->identifier, be_to_host16(hdr->length), 10448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf); 10458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapReq = TRUE; 10468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eap_if->aaaEapReqData); 104861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sm->eap_if->aaaEapReqData = eap; 10498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_get_keys(struct hostapd_data *hapd, 10538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, struct radius_msg *msg, 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *req, 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *shared_secret, 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t shared_secret_len) 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_ms_mppe_keys *keys; 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt keys = radius_msg_get_ms_keys(msg, req, shared_secret, 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt shared_secret_len); 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (keys && keys->send && keys->recv) { 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len = keys->send_len + keys->recv_len; 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "MS-MPPE-Send-Key", 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt keys->send, keys->send_len); 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "MS-MPPE-Recv-Key", 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt keys->recv, keys->recv_len); 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->eap_if->aaaEapKeyData); 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapKeyData = os_malloc(len); 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap_if->aaaEapKeyData) { 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->eap_if->aaaEapKeyData, keys->recv, 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt keys->recv_len); 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->eap_if->aaaEapKeyData + keys->recv_len, 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt keys->send, keys->send_len); 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapKeyDataLen = len; 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapKeyAvailable = TRUE; 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (keys) { 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(keys->send); 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(keys->recv); 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(keys); 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_store_radius_class(struct hostapd_data *hapd, 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg) 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *class; 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t class_len; 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int count, i; 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_attr_data *nclass; 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t nclass_count; 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->radius->acct_server || hapd->radius == NULL || 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm == NULL) 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_free_class(&sm->radius_class); 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count = radius_msg_count_attr(msg, RADIUS_ATTR_CLASS, 1); 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (count <= 0) 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 111361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt nclass = os_calloc(count, sizeof(struct radius_attr_data)); 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (nclass == NULL) 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nclass_count = 0; 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt class = NULL; 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < count; i++) { 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt do { 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_CLASS, 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &class, &class_len, 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt class) < 0) { 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i = count; 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } while (class_len < 1); 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nclass[nclass_count].data = os_malloc(class_len); 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (nclass[nclass_count].data == NULL) 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(nclass[nclass_count].data, class, class_len); 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nclass[nclass_count].len = class_len; 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nclass_count++; 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->radius_class.attr = nclass; 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->radius_class.count = nclass_count; 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Stored %lu RADIUS Class " 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attributes for " MACSTR, 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) sm->radius_class.count, 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Update sta->identity based on User-Name attribute in Access-Accept */ 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_update_sta_identity(struct hostapd_data *hapd, 11508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 11518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_msg *msg) 11528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *buf, *identity; 11548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 11558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 11568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_USER_NAME, &buf, &len, 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL) < 0) 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11644b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt identity = (u8 *) dup_binstr(buf, len); 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (identity == NULL) 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "old identity '%s' updated with " 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "User-Name from Access-Accept '%s'", 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity ? (char *) sm->identity : "N/A", 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (char *) identity); 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->identity); 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity = identity; 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity_len = len; 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt/* Update CUI based on Chargeable-User-Identity attribute in Access-Accept */ 118104949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void ieee802_1x_update_sta_cui(struct hostapd_data *hapd, 118204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct sta_info *sta, 118304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct radius_msg *msg) 118404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 118504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 118604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wpabuf *cui; 118704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 *buf; 118804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t len; 118904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 119004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (sm == NULL) 119104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return; 119204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 119304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_CHARGEABLE_USER_IDENTITY, 119404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt &buf, &len, NULL) < 0) 119504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return; 119604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 119704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt cui = wpabuf_alloc_copy(buf, len); 119804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (cui == NULL) 119904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return; 120004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 120104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_free(sm->radius_cui); 120204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sm->radius_cui = cui; 120304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 120404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 120504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct sta_id_search { 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 identifier; 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm; 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int ieee802_1x_select_radius_identifier(struct hostapd_data *hapd, 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *ctx) 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_id_search *id_search = ctx; 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->radius_identifier >= 0 && 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->radius_identifier == id_search->identifier) { 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id_search->sm = sm; 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eapol_state_machine * 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtieee802_1x_search_radius_identifier(struct hostapd_data *hapd, u8 identifier) 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_id_search id_search; 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id_search.identifier = identifier; 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id_search.sm = NULL; 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_for_each_sta(hapd, ieee802_1x_select_radius_identifier, &id_search); 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return id_search.sm; 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * ieee802_1x_receive_auth - Process RADIUS frames from Authentication Server 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: RADIUS response message 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @req: RADIUS request message 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @shared_secret: RADIUS shared secret 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @shared_secret_len: Length of shared_secret in octets 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: Context data (struct hostapd_data *) 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Processing status 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic RadiusRxResult 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req, 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *shared_secret, size_t shared_secret_len, 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *data) 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = data; 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta; 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 session_timeout = 0, termination_action, acct_interim_interval; 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int session_timeout_set, old_vlanid = 0; 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm; 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int override_eapReq = 0; 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct radius_hdr *hdr = radius_msg_get_hdr(msg); 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm = ieee802_1x_search_radius_identifier(hapd, hdr->identifier); 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) { 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: Could not find matching " 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "station for this RADIUS message"); 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_UNKNOWN; 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = sm->sta; 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * present when packet contains an EAP-Message attribute */ 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr->code == RADIUS_CODE_ACCESS_REJECT && 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL, 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0) < 0 && 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) { 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Allowing RADIUS Access-Reject without " 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Message-Authenticator since it does not include " 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP-Message"); 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (radius_msg_verify(msg, shared_secret, shared_secret_len, 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req, 1)) { 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Incoming RADIUS packet did not have correct " 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Message-Authenticator - dropped\n"); 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_INVALID_AUTHENTICATOR; 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT && 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->code != RADIUS_CODE_ACCESS_REJECT && 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) { 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Unknown RADIUS message code\n"); 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_UNKNOWN; 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->radius_identifier = -1; 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RADIUS packet matching with station " MACSTR, 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(sm->last_recv_radius); 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_recv_radius = msg; 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt session_timeout_set = 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !radius_msg_get_attr_int32(msg, RADIUS_ATTR_SESSION_TIMEOUT, 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &session_timeout); 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_msg_get_attr_int32(msg, RADIUS_ATTR_TERMINATION_ACTION, 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &termination_action)) 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt termination_action = RADIUS_TERMINATION_ACTION_DEFAULT; 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->acct_interim_interval == 0 && 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->code == RADIUS_CODE_ACCESS_ACCEPT && 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_get_attr_int32(msg, RADIUS_ATTR_ACCT_INTERIM_INTERVAL, 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &acct_interim_interval) == 0) { 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (acct_interim_interval < 60) { 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_MODULE_IEEE8021X, 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ignored too small " 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Acct-Interim-Interval %d", 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt acct_interim_interval); 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_interim_interval = acct_interim_interval; 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->code) { 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RADIUS_CODE_ACCESS_ACCEPT: 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED) 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->vlan_id = 0; 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_VLAN 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt old_vlanid = sta->vlan_id; 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->vlan_id = radius_msg_get_vlanid(msg); 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->vlan_id > 0 && 133234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt hostapd_vlan_id_valid(hapd->conf->vlan, sta->vlan_id)) { 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_MODULE_RADIUS, 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "VLAN ID %d", sta->vlan_id); 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_REQUIRED) { 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->authFail = TRUE; 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_MODULE_IEEE8021X, 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, "authentication " 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "server did not include required VLAN " 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID in Access-Accept"); 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_VLAN */ 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ap_sta_bind_vlan(hapd, sta, old_vlanid) < 0) 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RFC 3580, Ch. 3.17 */ 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (session_timeout_set && termination_action == 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RADIUS_TERMINATION_ACTION_RADIUS_REQUEST) { 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->reAuthPeriod = session_timeout; 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (session_timeout_set) 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_session_timeout(hapd, sta, session_timeout); 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaSuccess = TRUE; 13598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt override_eapReq = 1; 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_get_keys(hapd, sta, msg, req, shared_secret, 13618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt shared_secret_len); 13628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_store_radius_class(hapd, sta, msg); 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_update_sta_identity(hapd, sta, msg); 136404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ieee802_1x_update_sta_cui(hapd, sta, msg); 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap_if->eapKeyAvailable && 13668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_pmksa_add(sta->wpa_sm, sm->eapol_key_crypt, 13678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt session_timeout_set ? 13688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) session_timeout : -1, sm) == 0) { 13698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA, 13708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, 13718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Added PMKSA cache entry"); 13728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RADIUS_CODE_ACCESS_REJECT: 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaFail = TRUE; 13768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt override_eapReq = 1; 13778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RADIUS_CODE_ACCESS_CHALLENGE: 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapReq = TRUE; 13808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (session_timeout_set) { 13818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RFC 2869, Ch. 2.3.2; RFC 3580, Ch. 3.17 */ 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaMethodTimeout = session_timeout; 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sm->addr, 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_MODULE_IEEE8021X, 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "using EAP timeout of %d seconds (from " 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "RADIUS)", 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaMethodTimeout); 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Use dynamic retransmission behavior per EAP 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * specification. 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaMethodTimeout = 0; 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_decapsulate_radius(hapd, sta); 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (override_eapReq) 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->aaaEapReq = FALSE; 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_step(sm); 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return RADIUS_RX_QUEUED; 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_abort_auth(struct hostapd_data *hapd, struct sta_info *sta) 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "aborting authentication"); 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_msg_free(sm->last_recv_radius); 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_recv_radius = NULL; 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap_if->eapTimeout) { 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Disconnect the STA since it did not reply to the last EAP 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * request and we cannot continue EAP processing (EAP-Failure 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * could only be sent if the EAP peer actually replied). 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "EAP Timeout, STA " MACSTR, 14311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MAC2STR(sta->addr)); 14321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->portEnabled = FALSE; 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_disconnect(hapd, sta, sta->addr, 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_REASON_PREV_AUTH_NOT_VALID); 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int ieee802_1x_rekey_broadcast(struct hostapd_data *hapd) 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_authenticator *eapol = hapd->eapol_auth; 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->default_wep_key_len < 1) 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(eapol->default_wep_key); 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key = os_malloc(hapd->conf->default_wep_key_len); 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eapol->default_wep_key == NULL || 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt random_get_bytes(eapol->default_wep_key, 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->default_wep_key_len)) { 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("Could not generate random WEP key.\n"); 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(eapol->default_wep_key); 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key = NULL; 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "IEEE 802.1X: New default WEP key", 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key, 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->default_wep_key_len); 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int ieee802_1x_sta_key_available(struct hostapd_data *hapd, 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, void *ctx) 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->eapol_sm) { 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm->eap_if->eapKeyAvailable = TRUE; 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_step(sta->eapol_sm); 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_rekey(void *eloop_ctx, void *timeout_ctx) 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = eloop_ctx; 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_authenticator *eapol = hapd->eapol_auth; 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eapol->default_wep_key_idx >= 3) 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key_idx = 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->individual_wep_key_len > 0 ? 1 : 0; 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key_idx++; 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: New default WEP key index %d", 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key_idx); 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ieee802_1x_rekey_broadcast(hapd)) { 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE8021X, 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_WARNING, "failed to generate a " 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new broadcast key"); 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(eapol->default_wep_key); 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key = NULL; 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: Could setup key for RX here, but change default TX keyid only 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * after new broadcast key has been sent to all stations. */ 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_WEP, 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt broadcast_ether_addr, 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key_idx, 1, NULL, 0, 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key, 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->default_wep_key_len)) { 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE8021X, 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_WARNING, "failed to configure a " 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new broadcast key"); 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(eapol->default_wep_key); 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol->default_wep_key = NULL; 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_for_each_sta(hapd, ieee802_1x_sta_key_available, NULL); 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wep_rekeying_period > 0) { 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(hapd->conf->wep_rekeying_period, 0, 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_rekey, hapd, NULL); 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_eapol_send(void *ctx, void *sta_ctx, u8 type, 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *data, size_t datalen) 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)) == 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_STA_MAYBE_WPS) { 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *identity; 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t identity_len; 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt identity = eap_get_identity(sm->eap, &identity_len); 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (identity && 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((identity_len == WSC_ID_ENROLLEE_LEN && 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(identity, WSC_ID_ENROLLEE, 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WSC_ID_ENROLLEE_LEN) == 0) || 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (identity_len == WSC_ID_REGISTRAR_LEN && 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(identity, WSC_ID_REGISTRAR, 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WSC_ID_REGISTRAR_LEN) == 0))) { 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: WLAN_STA_MAYBE_WPS -> " 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WLAN_STA_WPS"); 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags |= WLAN_STA_WPS; 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_send(ctx, sta_ctx, type, data, datalen); 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_aaa_send(void *ctx, void *sta_ctx, 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *data, size_t datalen) 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 15598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 15608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 15618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_encapsulate_radius(hapd, sta, data, datalen); 15638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 15648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void _ieee802_1x_finished(void *ctx, void *sta_ctx, int success, 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int preauth) 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (preauth) 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rsn_preauth_finished(hapd, sta, success); 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_finished(hapd, sta, success); 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int ieee802_1x_get_eap_user(void *ctx, const u8 *identity, 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t identity_len, int phase2, 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_user *user) 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct hostapd_eap_user *eap_user; 15851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int i; 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1587d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt eap_user = hostapd_get_eap_user(hapd, identity, identity_len, phase2); 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_user == NULL) 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(user, 0, sizeof(*user)); 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->phase2 = phase2; 15931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt for (i = 0; i < EAP_MAX_METHODS; i++) { 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->methods[i].vendor = eap_user->methods[i].vendor; 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->methods[i].method = eap_user->methods[i].method; 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_user->password) { 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->password = os_malloc(eap_user->password_len); 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (user->password == NULL) 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(user->password, eap_user->password, 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_user->password_len); 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->password_len = eap_user->password_len; 16051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt user->password_hash = eap_user->password_hash; 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->force_version = eap_user->force_version; 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt user->ttls_auth = eap_user->ttls_auth; 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int ieee802_1x_sta_entry_alive(void *ctx, const u8 *addr) 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta; 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_get_sta(hapd, addr); 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta == NULL || sta->eapol_sm == NULL) 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_logger(void *ctx, const u8 *addr, 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_logger_level level, const char *txt) 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_HOSTAPD_LOGGER 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int hlevel; 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (level) { 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_LOGGER_WARNING: 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hlevel = HOSTAPD_LEVEL_WARNING; 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_LOGGER_INFO: 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hlevel = HOSTAPD_LEVEL_INFO; 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_LOGGER_DEBUG: 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hlevel = HOSTAPD_LEVEL_DEBUG; 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE8021X, hlevel, "%s", 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt txt); 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_HOSTAPD_LOGGER */ 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_set_port_authorized(void *ctx, void *sta_ctx, 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int authorized) 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_set_sta_authorized(hapd, sta, authorized); 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void _ieee802_1x_abort_auth(void *ctx, void *sta_ctx) 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_abort_auth(hapd, sta); 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void _ieee802_1x_tx_key(void *ctx, void *sta_ctx) 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_tx_key(hapd, sta); 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_eapol_event(void *ctx, void *sta_ctx, 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum eapol_event type) 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* struct hostapd_data *hapd = ctx; */ 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = sta_ctx; 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (type) { 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_AUTH_SM_CHANGE: 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sm_notify(sta->wpa_sm); 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_AUTH_REAUTHENTICATE: 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH_EAPOL); 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_1x_init(struct hostapd_data *hapd) 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_auth_config conf; 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_auth_cb cb; 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&conf, 0, sizeof(conf)); 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.ctx = hapd; 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_reauth_period = hapd->conf->eap_reauth_period; 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.wpa = hapd->conf->wpa; 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.individual_wep_key_len = hapd->conf->individual_wep_key_len; 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_server = hapd->conf->eap_server; 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.ssl_ctx = hapd->ssl_ctx; 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.msg_ctx = hapd->msg_ctx; 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_sim_db_priv = hapd->eap_sim_db_priv; 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_req_id_text = hapd->conf->eap_req_id_text; 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_req_id_text_len = hapd->conf->eap_req_id_text_len; 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pac_opaque_encr_key = hapd->conf->pac_opaque_encr_key; 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_fast_a_id = hapd->conf->eap_fast_a_id; 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_fast_a_id_len = hapd->conf->eap_fast_a_id_len; 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_fast_a_id_info = hapd->conf->eap_fast_a_id_info; 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_fast_prov = hapd->conf->eap_fast_prov; 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pac_key_lifetime = hapd->conf->pac_key_lifetime; 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pac_key_refresh_time = hapd->conf->pac_key_refresh_time; 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.eap_sim_aka_result_ind = hapd->conf->eap_sim_aka_result_ind; 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.tnc = hapd->conf->tnc; 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.wps = hapd->wps; 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.fragment_size = hapd->conf->fragment_size; 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pwd_group = hapd->conf->pwd_group; 172187fd279308af3f806848c8f2ab65ef18c6ac4c30Jouni Malinen conf.pbc_in_m1 = hapd->conf->pbc_in_m1; 172234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt if (hapd->conf->server_id) { 172334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt conf.server_id = (const u8 *) hapd->conf->server_id; 172434af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt conf.server_id_len = os_strlen(hapd->conf->server_id); 172534af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt } else { 172634af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt conf.server_id = (const u8 *) "hostapd"; 172734af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt conf.server_id_len = 7; 172834af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt } 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&cb, 0, sizeof(cb)); 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.eapol_send = ieee802_1x_eapol_send; 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.aaa_send = ieee802_1x_aaa_send; 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.finished = _ieee802_1x_finished; 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.get_eap_user = ieee802_1x_get_eap_user; 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.sta_entry_alive = ieee802_1x_sta_entry_alive; 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.logger = ieee802_1x_logger; 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.set_port_authorized = ieee802_1x_set_port_authorized; 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.abort_auth = _ieee802_1x_abort_auth; 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.tx_key = _ieee802_1x_tx_key; 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb.eapol_event = ieee802_1x_eapol_event; 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->eapol_auth = eapol_auth_init(&conf, &cb); 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->eapol_auth == NULL) 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->ieee802_1x || hapd->conf->wpa) && 17478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1)) 17488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (radius_client_register(hapd->radius, RADIUS_AUTH, 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_receive_auth, hapd)) 17538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 17558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->default_wep_key_len) { 17578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 4; i++) 17588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_set_key(hapd->conf->iface, hapd, 17598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_ALG_NONE, NULL, i, 0, NULL, 0, 17608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL, 0); 17618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_rekey(hapd, NULL); 17638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->eapol_auth->default_wep_key == NULL) 17658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_deinit(struct hostapd_data *hapd) 17738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(ieee802_1x_rekey, hapd, NULL); 17758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->driver != NULL && 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (hapd->conf->ieee802_1x || hapd->conf->wpa)) 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0); 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_deinit(hapd->eapol_auth); 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->eapol_auth = NULL; 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_1x_tx_status(struct hostapd_data *hapd, struct sta_info *sta, 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *buf, size_t len, int ack) 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee80211_hdr *hdr; 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos; 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const unsigned char rfc1042_hdr[ETH_ALEN] = 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta == NULL) 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (len < sizeof(*hdr) + sizeof(rfc1042_hdr) + 2) 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee80211_hdr *) buf; 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = (u8 *) (hdr + 1); 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pos, rfc1042_hdr, sizeof(rfc1042_hdr)) != 0) 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += sizeof(rfc1042_hdr); 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (WPA_GET_BE16(pos) != ETH_P_PAE) 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return ieee802_1x_eapol_tx_status(hapd, sta, pos, buf + len - pos, 18081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ack); 18091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 18101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 18111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 18121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint ieee802_1x_eapol_tx_status(struct hostapd_data *hapd, struct sta_info *sta, 18131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *buf, int len, int ack) 18141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 18151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct ieee802_1x_hdr *xhdr = 18161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (const struct ieee802_1x_hdr *) buf; 18171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *pos = buf + sizeof(*xhdr); 18181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee802_1x_eapol_key *key; 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (len < (int) sizeof(*xhdr)) 18211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.1X: " MACSTR " TX status - version=%d " 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type=%d length=%d - ack=%d", 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr), xhdr->version, xhdr->type, 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt be_to_host16(xhdr->length), ack); 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (xhdr->type != IEEE802_1X_TYPE_EAPOL_KEY) 18281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 18291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 18301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (pos + sizeof(struct wpa_eapol_key) <= buf + len) { 18318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpa_eapol_key *wpa; 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa = (const struct wpa_eapol_key *) pos; 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa->type == EAPOL_KEY_TYPE_RSN || 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa->type == EAPOL_KEY_TYPE_WPA) 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_eapol_key_tx_status(hapd->wpa_auth, 18368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->wpa_sm, ack); 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* EAPOL EAP-Packet packets are eventually re-sent by either Supplicant 18408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * or Authenticator state machines, but EAPOL-Key packets are not 18411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * retransmitted in case of failure. Try to re-send failed EAPOL-Key 18428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * packets couple of times because otherwise STA keys become 18438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * unsynchronized with AP. */ 18441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!ack && pos + sizeof(*key) <= buf + len) { 18458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) pos; 18468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X, 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, "did not Ack EAPOL-Key " 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame (%scast index=%d)", 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & BIT(7) ? "uni" : "broad", 18508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & ~BIT(7)); 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: re-send EAPOL-Key couple of times (with short delay 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * between them?). If all attempt fail, report error and 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * deauthenticate STA so that it will get new keys when 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authenticating again (e.g., after returning in range). 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Separate limit/transmit state needed both for unicast and 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * broadcast keys(?) */ 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: could move unicast key configuration from ieee802_1x_tx_key() 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to here and change the key only if the EAPOL-Key packet was Acked. 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len) 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->identity == NULL) 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = sm->identity_len; 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->identity; 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len, 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int idx) 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->radius_class.attr == NULL || 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idx >= (int) sm->radius_class.count) 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = sm->radius_class.attr[idx].len; 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->radius_class.attr[idx].data; 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 188804949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstruct wpabuf * ieee802_1x_get_radius_cui(struct eapol_state_machine *sm) 188904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 189004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (sm == NULL) 189104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return NULL; 189204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return sm->radius_cui; 189304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 189404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 189504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len) 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 189875ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen *len = 0; 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = sm->eap_if->eapKeyDataLen; 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eap_if->eapKeyData; 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm, 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int enabled) 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap_if->portEnabled = enabled ? TRUE : FALSE; 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_step(sm); 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_notify_port_valid(struct eapol_state_machine *sm, 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int valid) 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = valid ? TRUE : FALSE; 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_auth_step(sm); 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_1x_notify_pre_auth(struct eapol_state_machine *sm, int pre_auth) 19288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 19318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pre_auth) 19328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->flags |= EAPOL_SM_PREAUTH; 19338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 19348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->flags &= ~EAPOL_SM_PREAUTH; 19358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * bool_txt(Boolean bool) 19398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return bool ? "TRUE" : "FALSE"; 19418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_1x_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen) 19458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO */ 19478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 19488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta, 19528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *buf, size_t buflen) 19538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len = 0, ret; 19558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *sm = sta->eapol_sm; 19561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct os_time t; 19578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 19608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 19628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xPaePortNumber=%d\n" 19638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xPaePortProtocolVersion=%d\n" 19648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xPaePortCapabilities=1\n" 19658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xPaePortInitialize=%d\n" 19668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xPaePortReauthenticate=FALSE\n", 19678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->aid, 19688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAPOL_VERSION, 19698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize); 19708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 19718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 19728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 19738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* dot1xAuthConfigTable */ 19758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 19768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthPaeState=%d\n" 19778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthBackendAuthState=%d\n" 19788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAdminControlledDirections=%d\n" 19798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthOperControlledDirections=%d\n" 19808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthControlledPortStatus=%d\n" 19818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthControlledPortControl=%d\n" 19828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthQuietPeriod=%u\n" 19838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthServerTimeout=%u\n" 19848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthReAuthPeriod=%u\n" 19858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthReAuthEnabled=%s\n" 19868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthKeyTxEnabled=%s\n", 19878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->auth_pae_state + 1, 19888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->be_auth_state + 1, 19898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->adminControlledDirections, 19908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->operControlledDirections, 19918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPortStatus, 19928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl, 19938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->quietPeriod, 19948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->serverTimeout, 19958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->reAuthPeriod, 19968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bool_txt(sm->reAuthEnabled), 19978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bool_txt(sm->keyTxEnabled)); 19988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 19998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 20008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 20018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* dot1xAuthStatsTable */ 20038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 20048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolFramesRx=%u\n" 20058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolFramesTx=%u\n" 20068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolStartFramesRx=%u\n" 20078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolLogoffFramesRx=%u\n" 20088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolRespIdFramesRx=%u\n" 20098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolRespFramesRx=%u\n" 20108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolReqIdFramesTx=%u\n" 20118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapolReqFramesTx=%u\n" 20128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthInvalidEapolFramesRx=%u\n" 20138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapLengthErrorFramesRx=%u\n" 20148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthLastEapolFrameVersion=%u\n" 20158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthLastEapolFrameSource=" MACSTR "\n", 20168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolFramesRx, 20178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolFramesTx, 20188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolStartFramesRx, 20198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolLogoffFramesRx, 20208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolRespIdFramesRx, 20218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolRespFramesRx, 20228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolReqIdFramesTx, 20238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapolReqFramesTx, 20248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthInvalidEapolFramesRx, 20258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthEapLengthErrorFramesRx, 20268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xAuthLastEapolFrameVersion, 20278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sm->addr)); 20288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 20298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 20308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 20318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* dot1xAuthDiagTable */ 20338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 20348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEntersConnecting=%u\n" 20358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEapLogoffsWhileConnecting=%u\n" 20368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthEntersAuthenticating=%u\n" 20378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthSuccessesWhileAuthenticating=%u\n" 20388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthTimeoutsWhileAuthenticating=%u\n" 20398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthFailWhileAuthenticating=%u\n" 20408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthEapStartsWhileAuthenticating=%u\n" 20418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthEapLogoffWhileAuthenticating=%u\n" 20428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthReauthsWhileAuthenticated=%u\n" 20438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthEapStartsWhileAuthenticated=%u\n" 20448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthAuthEapLogoffWhileAuthenticated=%u\n" 20458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthBackendResponses=%u\n" 20468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthBackendAccessChallenges=%u\n" 20478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthBackendOtherRequestsToSupplicant=%u\n" 20488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthBackendAuthSuccesses=%u\n" 20498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthBackendAuthFails=%u\n", 20508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authEntersConnecting, 20518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authEapLogoffsWhileConnecting, 20528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authEntersAuthenticating, 20538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthSuccessesWhileAuthenticating, 20548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthTimeoutsWhileAuthenticating, 20558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthFailWhileAuthenticating, 20568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthEapStartsWhileAuthenticating, 20578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthEapLogoffWhileAuthenticating, 20588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthReauthsWhileAuthenticated, 20598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthEapStartsWhileAuthenticated, 20608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authAuthEapLogoffWhileAuthenticated, 20618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->backendResponses, 20628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->backendAccessChallenges, 20638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->backendOtherRequestsToSupplicant, 20648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->backendAuthSuccesses, 20658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->backendAuthFails); 20668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 20678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 20688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 20698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* dot1xAuthSessionStatsTable */ 20711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_get_time(&t); 20728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 20738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: dot1xAuthSessionOctetsRx */ 20748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: dot1xAuthSessionOctetsTx */ 20758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: dot1xAuthSessionFramesRx */ 20768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: dot1xAuthSessionFramesTx */ 20778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthSessionId=%08X-%08X\n" 20788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthSessionAuthenticMethod=%d\n" 20798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthSessionTime=%u\n" 20808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthSessionTerminateCause=999\n" 20818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xAuthSessionUserName=%s\n", 20828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_session_id_hi, sta->acct_session_id_lo, 20838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (wpa_key_mgmt_wpa_ieee8021x( 20848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sta_key_mgmt(sta->wpa_sm))) ? 20858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1 : 2, 20861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (unsigned int) (t.sec - sta->acct_session_start), 20878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity); 20888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 20898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 20908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 20918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 20938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void ieee802_1x_finished(struct hostapd_data *hapd, 20978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, int success) 20988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *key; 21008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 21018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: get PMKLifetime from WPA parameters */ 21028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt static const int dot11RSNAConfigPMKLifetime = 43200; 21038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = ieee802_1x_get_key(sta->eapol_sm, &len); 21058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (success && key && len >= PMK_LEN && 21068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_pmksa_add(sta->wpa_sm, key, dot11RSNAConfigPMKLifetime, 21078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->eapol_sm) == 0) { 21088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA, 21098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_DEBUG, 21108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Added PMKSA cache entry (IEEE 802.1X)"); 21118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!success) { 21148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 21158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Many devices require deauthentication after WPS provisioning 21168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and some may not be be able to do that themselves, so 21171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * disconnect the client here. In addition, this may also 21181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * benefit IEEE 802.1X/EAPOL authentication cases, too since 21191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * the EAPOL PAE state machine would remain in HELD state for 21201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * considerable amount of time and some EAP methods, like 21211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * EAP-FAST with anonymous provisioning, may require another 21221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * EAPOL authentication to be started to complete connection. 21238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 21241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "IEEE 802.1X: Force " 21251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "disconnection after EAP-Failure"); 21268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Add a small sleep to increase likelihood of previously 21278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * requested EAP-Failure TX getting out before this should the 21288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * driver reorder operations. 21298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 21308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_sleep(0, 10000); 2131ad266fb3da6083126e7619e525153839b918aa44Dmitry Shmidt#ifndef ANDROID_P2P 2132ad266fb3da6083126e7619e525153839b918aa44Dmitry Shmidt /* We need not do this for driver. For AP-SME flags if we send this disassoc, 2133ad266fb3da6083126e7619e525153839b918aa44Dmitry Shmidt * the p2p_client is gettig disassoc after it has completed the assoc 2134ad266fb3da6083126e7619e525153839b918aa44Dmitry Shmidt */ 21358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_disconnect(hapd, sta, sta->addr, 21361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_REASON_IEEE_802_1X_AUTH_FAILED); 2137ad266fb3da6083126e7619e525153839b918aa44Dmitry Shmidt#endif 21388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2140