1214501Srpaulo/* 2214501Srpaulo * hostapd / WPA authenticator glue code 3252726Srpaulo * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> 4214501Srpaulo * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7214501Srpaulo */ 8214501Srpaulo 9214501Srpaulo#include "utils/includes.h" 10214501Srpaulo 11214501Srpaulo#include "utils/common.h" 12214501Srpaulo#include "common/ieee802_11_defs.h" 13214501Srpaulo#include "eapol_auth/eapol_auth_sm.h" 14214501Srpaulo#include "eapol_auth/eapol_auth_sm_i.h" 15214501Srpaulo#include "eap_server/eap.h" 16214501Srpaulo#include "l2_packet/l2_packet.h" 17214501Srpaulo#include "drivers/driver.h" 18214501Srpaulo#include "hostapd.h" 19214501Srpaulo#include "ieee802_1x.h" 20214501Srpaulo#include "preauth_auth.h" 21214501Srpaulo#include "sta_info.h" 22214501Srpaulo#include "tkip_countermeasures.h" 23214501Srpaulo#include "ap_drv_ops.h" 24214501Srpaulo#include "ap_config.h" 25214501Srpaulo#include "wpa_auth.h" 26252726Srpaulo#include "wpa_auth_glue.h" 27214501Srpaulo 28214501Srpaulo 29214501Srpaulostatic void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, 30214501Srpaulo struct wpa_auth_config *wconf) 31214501Srpaulo{ 32252726Srpaulo os_memset(wconf, 0, sizeof(*wconf)); 33214501Srpaulo wconf->wpa = conf->wpa; 34214501Srpaulo wconf->wpa_key_mgmt = conf->wpa_key_mgmt; 35214501Srpaulo wconf->wpa_pairwise = conf->wpa_pairwise; 36214501Srpaulo wconf->wpa_group = conf->wpa_group; 37214501Srpaulo wconf->wpa_group_rekey = conf->wpa_group_rekey; 38214501Srpaulo wconf->wpa_strict_rekey = conf->wpa_strict_rekey; 39214501Srpaulo wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; 40214501Srpaulo wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey; 41214501Srpaulo wconf->rsn_pairwise = conf->rsn_pairwise; 42214501Srpaulo wconf->rsn_preauth = conf->rsn_preauth; 43214501Srpaulo wconf->eapol_version = conf->eapol_version; 44214501Srpaulo wconf->peerkey = conf->peerkey; 45214501Srpaulo wconf->wmm_enabled = conf->wmm_enabled; 46214501Srpaulo wconf->wmm_uapsd = conf->wmm_uapsd; 47252726Srpaulo wconf->disable_pmksa_caching = conf->disable_pmksa_caching; 48214501Srpaulo wconf->okc = conf->okc; 49214501Srpaulo#ifdef CONFIG_IEEE80211W 50214501Srpaulo wconf->ieee80211w = conf->ieee80211w; 51214501Srpaulo#endif /* CONFIG_IEEE80211W */ 52214501Srpaulo#ifdef CONFIG_IEEE80211R 53214501Srpaulo wconf->ssid_len = conf->ssid.ssid_len; 54214501Srpaulo if (wconf->ssid_len > SSID_LEN) 55214501Srpaulo wconf->ssid_len = SSID_LEN; 56214501Srpaulo os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len); 57214501Srpaulo os_memcpy(wconf->mobility_domain, conf->mobility_domain, 58214501Srpaulo MOBILITY_DOMAIN_ID_LEN); 59214501Srpaulo if (conf->nas_identifier && 60214501Srpaulo os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) { 61214501Srpaulo wconf->r0_key_holder_len = os_strlen(conf->nas_identifier); 62214501Srpaulo os_memcpy(wconf->r0_key_holder, conf->nas_identifier, 63214501Srpaulo wconf->r0_key_holder_len); 64214501Srpaulo } 65214501Srpaulo os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN); 66214501Srpaulo wconf->r0_key_lifetime = conf->r0_key_lifetime; 67214501Srpaulo wconf->reassociation_deadline = conf->reassociation_deadline; 68214501Srpaulo wconf->r0kh_list = conf->r0kh_list; 69214501Srpaulo wconf->r1kh_list = conf->r1kh_list; 70214501Srpaulo wconf->pmk_r1_push = conf->pmk_r1_push; 71252726Srpaulo wconf->ft_over_ds = conf->ft_over_ds; 72214501Srpaulo#endif /* CONFIG_IEEE80211R */ 73252726Srpaulo#ifdef CONFIG_HS20 74252726Srpaulo wconf->disable_gtk = conf->disable_dgaf; 75252726Srpaulo#endif /* CONFIG_HS20 */ 76214501Srpaulo} 77214501Srpaulo 78214501Srpaulo 79214501Srpaulostatic void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, 80214501Srpaulo logger_level level, const char *txt) 81214501Srpaulo{ 82214501Srpaulo#ifndef CONFIG_NO_HOSTAPD_LOGGER 83214501Srpaulo struct hostapd_data *hapd = ctx; 84214501Srpaulo int hlevel; 85214501Srpaulo 86214501Srpaulo switch (level) { 87214501Srpaulo case LOGGER_WARNING: 88214501Srpaulo hlevel = HOSTAPD_LEVEL_WARNING; 89214501Srpaulo break; 90214501Srpaulo case LOGGER_INFO: 91214501Srpaulo hlevel = HOSTAPD_LEVEL_INFO; 92214501Srpaulo break; 93214501Srpaulo case LOGGER_DEBUG: 94214501Srpaulo default: 95214501Srpaulo hlevel = HOSTAPD_LEVEL_DEBUG; 96214501Srpaulo break; 97214501Srpaulo } 98214501Srpaulo 99214501Srpaulo hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); 100214501Srpaulo#endif /* CONFIG_NO_HOSTAPD_LOGGER */ 101214501Srpaulo} 102214501Srpaulo 103214501Srpaulo 104214501Srpaulostatic void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, 105214501Srpaulo u16 reason) 106214501Srpaulo{ 107214501Srpaulo struct hostapd_data *hapd = ctx; 108214501Srpaulo wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " 109214501Srpaulo "STA " MACSTR " reason %d", 110214501Srpaulo __func__, MAC2STR(addr), reason); 111214501Srpaulo ap_sta_disconnect(hapd, NULL, addr, reason); 112214501Srpaulo} 113214501Srpaulo 114214501Srpaulo 115252726Srpaulostatic int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) 116214501Srpaulo{ 117214501Srpaulo struct hostapd_data *hapd = ctx; 118252726Srpaulo return michael_mic_failure(hapd, addr, 0); 119214501Srpaulo} 120214501Srpaulo 121214501Srpaulo 122214501Srpaulostatic void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, 123214501Srpaulo wpa_eapol_variable var, int value) 124214501Srpaulo{ 125214501Srpaulo struct hostapd_data *hapd = ctx; 126214501Srpaulo struct sta_info *sta = ap_get_sta(hapd, addr); 127214501Srpaulo if (sta == NULL) 128214501Srpaulo return; 129214501Srpaulo switch (var) { 130214501Srpaulo case WPA_EAPOL_portEnabled: 131214501Srpaulo ieee802_1x_notify_port_enabled(sta->eapol_sm, value); 132214501Srpaulo break; 133214501Srpaulo case WPA_EAPOL_portValid: 134214501Srpaulo ieee802_1x_notify_port_valid(sta->eapol_sm, value); 135214501Srpaulo break; 136214501Srpaulo case WPA_EAPOL_authorized: 137214501Srpaulo ieee802_1x_set_sta_authorized(hapd, sta, value); 138214501Srpaulo break; 139214501Srpaulo case WPA_EAPOL_portControl_Auto: 140214501Srpaulo if (sta->eapol_sm) 141214501Srpaulo sta->eapol_sm->portControl = Auto; 142214501Srpaulo break; 143214501Srpaulo case WPA_EAPOL_keyRun: 144214501Srpaulo if (sta->eapol_sm) 145214501Srpaulo sta->eapol_sm->keyRun = value ? TRUE : FALSE; 146214501Srpaulo break; 147214501Srpaulo case WPA_EAPOL_keyAvailable: 148214501Srpaulo if (sta->eapol_sm) 149214501Srpaulo sta->eapol_sm->eap_if->eapKeyAvailable = 150214501Srpaulo value ? TRUE : FALSE; 151214501Srpaulo break; 152214501Srpaulo case WPA_EAPOL_keyDone: 153214501Srpaulo if (sta->eapol_sm) 154214501Srpaulo sta->eapol_sm->keyDone = value ? TRUE : FALSE; 155214501Srpaulo break; 156214501Srpaulo case WPA_EAPOL_inc_EapolFramesTx: 157214501Srpaulo if (sta->eapol_sm) 158214501Srpaulo sta->eapol_sm->dot1xAuthEapolFramesTx++; 159214501Srpaulo break; 160214501Srpaulo } 161214501Srpaulo} 162214501Srpaulo 163214501Srpaulo 164214501Srpaulostatic int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, 165214501Srpaulo wpa_eapol_variable var) 166214501Srpaulo{ 167214501Srpaulo struct hostapd_data *hapd = ctx; 168214501Srpaulo struct sta_info *sta = ap_get_sta(hapd, addr); 169214501Srpaulo if (sta == NULL || sta->eapol_sm == NULL) 170214501Srpaulo return -1; 171214501Srpaulo switch (var) { 172214501Srpaulo case WPA_EAPOL_keyRun: 173214501Srpaulo return sta->eapol_sm->keyRun; 174214501Srpaulo case WPA_EAPOL_keyAvailable: 175214501Srpaulo return sta->eapol_sm->eap_if->eapKeyAvailable; 176214501Srpaulo default: 177214501Srpaulo return -1; 178214501Srpaulo } 179214501Srpaulo} 180214501Srpaulo 181214501Srpaulo 182214501Srpaulostatic const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, 183214501Srpaulo const u8 *prev_psk) 184214501Srpaulo{ 185214501Srpaulo struct hostapd_data *hapd = ctx; 186252726Srpaulo struct sta_info *sta = ap_get_sta(hapd, addr); 187252726Srpaulo const u8 *psk = hostapd_get_psk(hapd->conf, addr, prev_psk); 188252726Srpaulo /* 189252726Srpaulo * This is about to iterate over all psks, prev_psk gives the last 190252726Srpaulo * returned psk which should not be returned again. 191252726Srpaulo * logic list (all hostapd_get_psk; all sta->psk) 192252726Srpaulo */ 193252726Srpaulo if (sta && sta->psk && !psk) { 194252726Srpaulo struct hostapd_sta_wpa_psk_short *pos; 195252726Srpaulo psk = sta->psk->psk; 196252726Srpaulo for (pos = sta->psk; pos; pos = pos->next) { 197252726Srpaulo if (pos->psk == prev_psk) { 198252726Srpaulo psk = pos->next ? pos->next->psk : NULL; 199252726Srpaulo break; 200252726Srpaulo } 201252726Srpaulo } 202252726Srpaulo } 203252726Srpaulo return psk; 204214501Srpaulo} 205214501Srpaulo 206214501Srpaulo 207214501Srpaulostatic int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk, 208214501Srpaulo size_t *len) 209214501Srpaulo{ 210214501Srpaulo struct hostapd_data *hapd = ctx; 211214501Srpaulo const u8 *key; 212214501Srpaulo size_t keylen; 213214501Srpaulo struct sta_info *sta; 214214501Srpaulo 215214501Srpaulo sta = ap_get_sta(hapd, addr); 216214501Srpaulo if (sta == NULL) 217214501Srpaulo return -1; 218214501Srpaulo 219214501Srpaulo key = ieee802_1x_get_key(sta->eapol_sm, &keylen); 220214501Srpaulo if (key == NULL) 221214501Srpaulo return -1; 222214501Srpaulo 223214501Srpaulo if (keylen > *len) 224214501Srpaulo keylen = *len; 225214501Srpaulo os_memcpy(msk, key, keylen); 226214501Srpaulo *len = keylen; 227214501Srpaulo 228214501Srpaulo return 0; 229214501Srpaulo} 230214501Srpaulo 231214501Srpaulo 232214501Srpaulostatic int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg, 233214501Srpaulo const u8 *addr, int idx, u8 *key, 234214501Srpaulo size_t key_len) 235214501Srpaulo{ 236214501Srpaulo struct hostapd_data *hapd = ctx; 237214501Srpaulo const char *ifname = hapd->conf->iface; 238214501Srpaulo 239214501Srpaulo if (vlan_id > 0) { 240214501Srpaulo ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); 241214501Srpaulo if (ifname == NULL) 242214501Srpaulo return -1; 243214501Srpaulo } 244214501Srpaulo 245252726Srpaulo return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0, 246252726Srpaulo key, key_len); 247214501Srpaulo} 248214501Srpaulo 249214501Srpaulo 250214501Srpaulostatic int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, 251214501Srpaulo u8 *seq) 252214501Srpaulo{ 253214501Srpaulo struct hostapd_data *hapd = ctx; 254214501Srpaulo return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); 255214501Srpaulo} 256214501Srpaulo 257214501Srpaulo 258214501Srpaulostatic int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, 259214501Srpaulo const u8 *data, size_t data_len, 260214501Srpaulo int encrypt) 261214501Srpaulo{ 262214501Srpaulo struct hostapd_data *hapd = ctx; 263252726Srpaulo struct sta_info *sta; 264252726Srpaulo u32 flags = 0; 265252726Srpaulo 266252726Srpaulo sta = ap_get_sta(hapd, addr); 267252726Srpaulo if (sta) 268252726Srpaulo flags = hostapd_sta_flags_to_drv(sta->flags); 269252726Srpaulo 270252726Srpaulo return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len, 271252726Srpaulo encrypt, flags); 272214501Srpaulo} 273214501Srpaulo 274214501Srpaulo 275214501Srpaulostatic int hostapd_wpa_auth_for_each_sta( 276214501Srpaulo void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), 277214501Srpaulo void *cb_ctx) 278214501Srpaulo{ 279214501Srpaulo struct hostapd_data *hapd = ctx; 280214501Srpaulo struct sta_info *sta; 281214501Srpaulo 282214501Srpaulo for (sta = hapd->sta_list; sta; sta = sta->next) { 283214501Srpaulo if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) 284214501Srpaulo return 1; 285214501Srpaulo } 286214501Srpaulo return 0; 287214501Srpaulo} 288214501Srpaulo 289214501Srpaulo 290214501Srpaulostruct wpa_auth_iface_iter_data { 291214501Srpaulo int (*cb)(struct wpa_authenticator *sm, void *ctx); 292214501Srpaulo void *cb_ctx; 293214501Srpaulo}; 294214501Srpaulo 295214501Srpaulostatic int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx) 296214501Srpaulo{ 297214501Srpaulo struct wpa_auth_iface_iter_data *data = ctx; 298214501Srpaulo size_t i; 299214501Srpaulo for (i = 0; i < iface->num_bss; i++) { 300214501Srpaulo if (iface->bss[i]->wpa_auth && 301214501Srpaulo data->cb(iface->bss[i]->wpa_auth, data->cb_ctx)) 302214501Srpaulo return 1; 303214501Srpaulo } 304214501Srpaulo return 0; 305214501Srpaulo} 306214501Srpaulo 307214501Srpaulo 308214501Srpaulostatic int hostapd_wpa_auth_for_each_auth( 309214501Srpaulo void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx), 310214501Srpaulo void *cb_ctx) 311214501Srpaulo{ 312214501Srpaulo struct hostapd_data *hapd = ctx; 313214501Srpaulo struct wpa_auth_iface_iter_data data; 314252726Srpaulo if (hapd->iface->interfaces == NULL || 315252726Srpaulo hapd->iface->interfaces->for_each_interface == NULL) 316214501Srpaulo return -1; 317214501Srpaulo data.cb = cb; 318214501Srpaulo data.cb_ctx = cb_ctx; 319252726Srpaulo return hapd->iface->interfaces->for_each_interface( 320252726Srpaulo hapd->iface->interfaces, wpa_auth_iface_iter, &data); 321214501Srpaulo} 322214501Srpaulo 323214501Srpaulo 324214501Srpaulo#ifdef CONFIG_IEEE80211R 325214501Srpaulo 326214501Srpaulostruct wpa_auth_ft_iface_iter_data { 327214501Srpaulo struct hostapd_data *src_hapd; 328214501Srpaulo const u8 *dst; 329214501Srpaulo const u8 *data; 330214501Srpaulo size_t data_len; 331214501Srpaulo}; 332214501Srpaulo 333214501Srpaulo 334214501Srpaulostatic int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx) 335214501Srpaulo{ 336214501Srpaulo struct wpa_auth_ft_iface_iter_data *idata = ctx; 337214501Srpaulo struct hostapd_data *hapd; 338214501Srpaulo size_t j; 339214501Srpaulo 340214501Srpaulo for (j = 0; j < iface->num_bss; j++) { 341214501Srpaulo hapd = iface->bss[j]; 342214501Srpaulo if (hapd == idata->src_hapd) 343214501Srpaulo continue; 344214501Srpaulo if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) { 345214501Srpaulo wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to " 346214501Srpaulo "locally managed BSS " MACSTR "@%s -> " 347214501Srpaulo MACSTR "@%s", 348214501Srpaulo MAC2STR(idata->src_hapd->own_addr), 349214501Srpaulo idata->src_hapd->conf->iface, 350214501Srpaulo MAC2STR(hapd->own_addr), hapd->conf->iface); 351252726Srpaulo wpa_ft_rrb_rx(hapd->wpa_auth, 352252726Srpaulo idata->src_hapd->own_addr, 353252726Srpaulo idata->data, idata->data_len); 354214501Srpaulo return 1; 355214501Srpaulo } 356214501Srpaulo } 357214501Srpaulo 358214501Srpaulo return 0; 359214501Srpaulo} 360214501Srpaulo 361214501Srpaulo#endif /* CONFIG_IEEE80211R */ 362214501Srpaulo 363214501Srpaulo 364214501Srpaulostatic int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, 365214501Srpaulo const u8 *data, size_t data_len) 366214501Srpaulo{ 367214501Srpaulo struct hostapd_data *hapd = ctx; 368252726Srpaulo struct l2_ethhdr *buf; 369252726Srpaulo int ret; 370214501Srpaulo 371214501Srpaulo#ifdef CONFIG_IEEE80211R 372252726Srpaulo if (proto == ETH_P_RRB && hapd->iface->interfaces && 373252726Srpaulo hapd->iface->interfaces->for_each_interface) { 374214501Srpaulo int res; 375214501Srpaulo struct wpa_auth_ft_iface_iter_data idata; 376214501Srpaulo idata.src_hapd = hapd; 377214501Srpaulo idata.dst = dst; 378214501Srpaulo idata.data = data; 379214501Srpaulo idata.data_len = data_len; 380252726Srpaulo res = hapd->iface->interfaces->for_each_interface( 381252726Srpaulo hapd->iface->interfaces, hostapd_wpa_auth_ft_iter, 382252726Srpaulo &idata); 383214501Srpaulo if (res == 1) 384214501Srpaulo return data_len; 385214501Srpaulo } 386214501Srpaulo#endif /* CONFIG_IEEE80211R */ 387214501Srpaulo 388214501Srpaulo if (hapd->driver && hapd->driver->send_ether) 389214501Srpaulo return hapd->driver->send_ether(hapd->drv_priv, dst, 390214501Srpaulo hapd->own_addr, proto, 391214501Srpaulo data, data_len); 392214501Srpaulo if (hapd->l2 == NULL) 393214501Srpaulo return -1; 394252726Srpaulo 395252726Srpaulo buf = os_malloc(sizeof(*buf) + data_len); 396252726Srpaulo if (buf == NULL) 397252726Srpaulo return -1; 398252726Srpaulo os_memcpy(buf->h_dest, dst, ETH_ALEN); 399252726Srpaulo os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN); 400252726Srpaulo buf->h_proto = host_to_be16(proto); 401252726Srpaulo os_memcpy(buf + 1, data, data_len); 402252726Srpaulo ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf, 403252726Srpaulo sizeof(*buf) + data_len); 404252726Srpaulo os_free(buf); 405252726Srpaulo return ret; 406214501Srpaulo} 407214501Srpaulo 408214501Srpaulo 409214501Srpaulo#ifdef CONFIG_IEEE80211R 410214501Srpaulo 411214501Srpaulostatic int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, 412214501Srpaulo const u8 *data, size_t data_len) 413214501Srpaulo{ 414214501Srpaulo struct hostapd_data *hapd = ctx; 415214501Srpaulo int res; 416214501Srpaulo struct ieee80211_mgmt *m; 417214501Srpaulo size_t mlen; 418214501Srpaulo struct sta_info *sta; 419214501Srpaulo 420214501Srpaulo sta = ap_get_sta(hapd, dst); 421214501Srpaulo if (sta == NULL || sta->wpa_sm == NULL) 422214501Srpaulo return -1; 423214501Srpaulo 424214501Srpaulo m = os_zalloc(sizeof(*m) + data_len); 425214501Srpaulo if (m == NULL) 426214501Srpaulo return -1; 427214501Srpaulo mlen = ((u8 *) &m->u - (u8 *) m) + data_len; 428214501Srpaulo m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 429214501Srpaulo WLAN_FC_STYPE_ACTION); 430214501Srpaulo os_memcpy(m->da, dst, ETH_ALEN); 431214501Srpaulo os_memcpy(m->sa, hapd->own_addr, ETH_ALEN); 432214501Srpaulo os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN); 433214501Srpaulo os_memcpy(&m->u, data, data_len); 434214501Srpaulo 435252726Srpaulo res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0); 436214501Srpaulo os_free(m); 437214501Srpaulo return res; 438214501Srpaulo} 439214501Srpaulo 440214501Srpaulo 441214501Srpaulostatic struct wpa_state_machine * 442214501Srpaulohostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr) 443214501Srpaulo{ 444214501Srpaulo struct hostapd_data *hapd = ctx; 445214501Srpaulo struct sta_info *sta; 446214501Srpaulo 447252726Srpaulo if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0) 448252726Srpaulo return NULL; 449252726Srpaulo 450214501Srpaulo sta = ap_sta_add(hapd, sta_addr); 451214501Srpaulo if (sta == NULL) 452214501Srpaulo return NULL; 453214501Srpaulo if (sta->wpa_sm) { 454214501Srpaulo sta->auth_alg = WLAN_AUTH_FT; 455214501Srpaulo return sta->wpa_sm; 456214501Srpaulo } 457214501Srpaulo 458214501Srpaulo sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr); 459214501Srpaulo if (sta->wpa_sm == NULL) { 460214501Srpaulo ap_free_sta(hapd, sta); 461214501Srpaulo return NULL; 462214501Srpaulo } 463214501Srpaulo sta->auth_alg = WLAN_AUTH_FT; 464214501Srpaulo 465214501Srpaulo return sta->wpa_sm; 466214501Srpaulo} 467214501Srpaulo 468214501Srpaulo 469214501Srpaulostatic void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, 470214501Srpaulo size_t len) 471214501Srpaulo{ 472214501Srpaulo struct hostapd_data *hapd = ctx; 473252726Srpaulo struct l2_ethhdr *ethhdr; 474252726Srpaulo if (len < sizeof(*ethhdr)) 475252726Srpaulo return; 476252726Srpaulo ethhdr = (struct l2_ethhdr *) buf; 477252726Srpaulo wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " 478252726Srpaulo MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest)); 479252726Srpaulo wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr), 480252726Srpaulo len - sizeof(*ethhdr)); 481214501Srpaulo} 482214501Srpaulo 483252726Srpaulo 484252726Srpaulostatic int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr, 485252726Srpaulo u8 *tspec_ie, size_t tspec_ielen) 486252726Srpaulo{ 487252726Srpaulo struct hostapd_data *hapd = ctx; 488252726Srpaulo return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen); 489252726Srpaulo} 490252726Srpaulo 491214501Srpaulo#endif /* CONFIG_IEEE80211R */ 492214501Srpaulo 493214501Srpaulo 494214501Srpauloint hostapd_setup_wpa(struct hostapd_data *hapd) 495214501Srpaulo{ 496214501Srpaulo struct wpa_auth_config _conf; 497214501Srpaulo struct wpa_auth_callbacks cb; 498214501Srpaulo const u8 *wpa_ie; 499214501Srpaulo size_t wpa_ie_len; 500214501Srpaulo 501214501Srpaulo hostapd_wpa_auth_conf(hapd->conf, &_conf); 502252726Srpaulo if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS) 503252726Srpaulo _conf.tx_status = 1; 504252726Srpaulo if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME) 505252726Srpaulo _conf.ap_mlme = 1; 506214501Srpaulo os_memset(&cb, 0, sizeof(cb)); 507214501Srpaulo cb.ctx = hapd; 508214501Srpaulo cb.logger = hostapd_wpa_auth_logger; 509214501Srpaulo cb.disconnect = hostapd_wpa_auth_disconnect; 510214501Srpaulo cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report; 511214501Srpaulo cb.set_eapol = hostapd_wpa_auth_set_eapol; 512214501Srpaulo cb.get_eapol = hostapd_wpa_auth_get_eapol; 513214501Srpaulo cb.get_psk = hostapd_wpa_auth_get_psk; 514214501Srpaulo cb.get_msk = hostapd_wpa_auth_get_msk; 515214501Srpaulo cb.set_key = hostapd_wpa_auth_set_key; 516214501Srpaulo cb.get_seqnum = hostapd_wpa_auth_get_seqnum; 517214501Srpaulo cb.send_eapol = hostapd_wpa_auth_send_eapol; 518214501Srpaulo cb.for_each_sta = hostapd_wpa_auth_for_each_sta; 519214501Srpaulo cb.for_each_auth = hostapd_wpa_auth_for_each_auth; 520214501Srpaulo cb.send_ether = hostapd_wpa_auth_send_ether; 521214501Srpaulo#ifdef CONFIG_IEEE80211R 522214501Srpaulo cb.send_ft_action = hostapd_wpa_auth_send_ft_action; 523214501Srpaulo cb.add_sta = hostapd_wpa_auth_add_sta; 524252726Srpaulo cb.add_tspec = hostapd_wpa_auth_add_tspec; 525214501Srpaulo#endif /* CONFIG_IEEE80211R */ 526214501Srpaulo hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb); 527214501Srpaulo if (hapd->wpa_auth == NULL) { 528214501Srpaulo wpa_printf(MSG_ERROR, "WPA initialization failed."); 529214501Srpaulo return -1; 530214501Srpaulo } 531214501Srpaulo 532214501Srpaulo if (hostapd_set_privacy(hapd, 1)) { 533214501Srpaulo wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " 534214501Srpaulo "for interface %s", hapd->conf->iface); 535214501Srpaulo return -1; 536214501Srpaulo } 537214501Srpaulo 538214501Srpaulo wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); 539214501Srpaulo if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { 540214501Srpaulo wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " 541214501Srpaulo "the kernel driver."); 542214501Srpaulo return -1; 543214501Srpaulo } 544214501Srpaulo 545214501Srpaulo if (rsn_preauth_iface_init(hapd)) { 546214501Srpaulo wpa_printf(MSG_ERROR, "Initialization of RSN " 547214501Srpaulo "pre-authentication failed."); 548214501Srpaulo return -1; 549214501Srpaulo } 550214501Srpaulo 551214501Srpaulo#ifdef CONFIG_IEEE80211R 552214501Srpaulo if (!hostapd_drv_none(hapd)) { 553214501Srpaulo hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ? 554214501Srpaulo hapd->conf->bridge : 555214501Srpaulo hapd->conf->iface, NULL, ETH_P_RRB, 556252726Srpaulo hostapd_rrb_receive, hapd, 1); 557214501Srpaulo if (hapd->l2 == NULL && 558214501Srpaulo (hapd->driver == NULL || 559214501Srpaulo hapd->driver->send_ether == NULL)) { 560214501Srpaulo wpa_printf(MSG_ERROR, "Failed to open l2_packet " 561214501Srpaulo "interface"); 562214501Srpaulo return -1; 563214501Srpaulo } 564214501Srpaulo } 565214501Srpaulo#endif /* CONFIG_IEEE80211R */ 566214501Srpaulo 567214501Srpaulo return 0; 568214501Srpaulo 569214501Srpaulo} 570214501Srpaulo 571214501Srpaulo 572214501Srpaulovoid hostapd_reconfig_wpa(struct hostapd_data *hapd) 573214501Srpaulo{ 574214501Srpaulo struct wpa_auth_config wpa_auth_conf; 575214501Srpaulo hostapd_wpa_auth_conf(hapd->conf, &wpa_auth_conf); 576214501Srpaulo wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); 577214501Srpaulo} 578214501Srpaulo 579214501Srpaulo 580214501Srpaulovoid hostapd_deinit_wpa(struct hostapd_data *hapd) 581214501Srpaulo{ 582252726Srpaulo ieee80211_tkip_countermeasures_deinit(hapd); 583214501Srpaulo rsn_preauth_iface_deinit(hapd); 584214501Srpaulo if (hapd->wpa_auth) { 585214501Srpaulo wpa_deinit(hapd->wpa_auth); 586214501Srpaulo hapd->wpa_auth = NULL; 587214501Srpaulo 588214501Srpaulo if (hostapd_set_privacy(hapd, 0)) { 589214501Srpaulo wpa_printf(MSG_DEBUG, "Could not disable " 590214501Srpaulo "PrivacyInvoked for interface %s", 591214501Srpaulo hapd->conf->iface); 592214501Srpaulo } 593214501Srpaulo 594214501Srpaulo if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { 595214501Srpaulo wpa_printf(MSG_DEBUG, "Could not remove generic " 596214501Srpaulo "information element from interface %s", 597214501Srpaulo hapd->conf->iface); 598214501Srpaulo } 599214501Srpaulo } 600214501Srpaulo ieee802_1x_deinit(hapd); 601214501Srpaulo 602214501Srpaulo#ifdef CONFIG_IEEE80211R 603214501Srpaulo l2_packet_deinit(hapd->l2); 604214501Srpaulo#endif /* CONFIG_IEEE80211R */ 605214501Srpaulo} 606