161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* 261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * hostapd - WNM 3fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * Copyright (c) 2011-2014, Qualcomm Atheros, Inc. 461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * See README for more details. 761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "utils/includes.h" 1061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 1161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "utils/common.h" 12fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#include "utils/eloop.h" 1361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "common/ieee802_11_defs.h" 14fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#include "common/wpa_ctrl.h" 1561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "ap/hostapd.h" 1661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "ap/sta_info.h" 1761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "ap/ap_config.h" 1861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "ap/ap_drv_ops.h" 1961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "ap/wpa_auth.h" 2061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "wnm_ap.h" 2161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define MAX_TFS_IE_LEN 1024 2361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* get the TFS IE from driver */ 2661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int ieee80211_11_get_tfs_ie(struct hostapd_data *hapd, const u8 *addr, 2761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *buf, u16 *buf_len, enum wnm_oper oper) 2861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 2961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: TFS get operation %d", __func__, oper); 3061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return hostapd_drv_wnm_oper(hapd, oper, addr, buf, buf_len); 3261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 3361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* set the TFS IE to driver */ 3661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int ieee80211_11_set_tfs_ie(struct hostapd_data *hapd, const u8 *addr, 3761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *buf, u16 *buf_len, enum wnm_oper oper) 3861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 3961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: TFS set operation %d", __func__, oper); 4061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return hostapd_drv_wnm_oper(hapd, oper, addr, buf, buf_len); 4261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 4361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* MLME-SLEEPMODE.response */ 4661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int ieee802_11_send_wnmsleep_resp(struct hostapd_data *hapd, 4761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *addr, u8 dialog_token, 4861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 action_type, u16 intval) 4961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 5061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct ieee80211_mgmt *mgmt; 5161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int res; 5261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t len; 5361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t gtk_elem_len = 0; 5461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t igtk_elem_len = 0; 5561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct wnm_sleep_element wnmsleep_ie; 5661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *wnmtfs_ie; 5761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 wnmsleep_ie_len; 5861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u16 wnmtfs_ie_len; 5961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *pos; 6061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta; 61a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt enum wnm_oper tfs_oper = action_type == WNM_SLEEP_MODE_ENTER ? 62a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt WNM_SLEEP_TFS_RESP_IE_ADD : WNM_SLEEP_TFS_RESP_IE_NONE; 6361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 6461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sta = ap_get_sta(hapd, addr); 6561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sta == NULL) { 6661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: station not found", __func__); 6761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -EINVAL; 6861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 6961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 7061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* WNM-Sleep Mode IE */ 7161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memset(&wnmsleep_ie, 0, sizeof(struct wnm_sleep_element)); 7261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie_len = sizeof(struct wnm_sleep_element); 7361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.eid = WLAN_EID_WNMSLEEP; 7461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.len = wnmsleep_ie_len - 2; 7561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.action_type = action_type; 7661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.status = WNM_STATUS_SLEEP_ACCEPT; 77fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wnmsleep_ie.intval = host_to_le16(intval); 7861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 7961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* TFS IE(s) */ 8061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmtfs_ie = os_zalloc(MAX_TFS_IE_LEN); 8161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wnmtfs_ie == NULL) 8261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 8361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ieee80211_11_get_tfs_ie(hapd, addr, wnmtfs_ie, &wnmtfs_ie_len, 8461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tfs_oper)) { 8561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmtfs_ie_len = 0; 8661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(wnmtfs_ie); 8761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmtfs_ie = NULL; 8861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 8961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define MAX_GTK_SUBELEM_LEN 45 9161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define MAX_IGTK_SUBELEM_LEN 26 9261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt = os_zalloc(sizeof(*mgmt) + wnmsleep_ie_len + 9361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt MAX_GTK_SUBELEM_LEN + MAX_IGTK_SUBELEM_LEN); 9461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (mgmt == NULL) { 9561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "MLME: Failed to allocate buffer for " 9661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt "WNM-Sleep Response action frame"); 9761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 9861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 9961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(mgmt->da, addr, ETH_ALEN); 10061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 10161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 10261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 10361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WLAN_FC_STYPE_ACTION); 10461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 10561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.u.wnm_sleep_resp.action = WNM_SLEEP_MODE_RESP; 10661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.u.wnm_sleep_resp.dialogtoken = dialog_token; 10761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos = (u8 *)mgmt->u.action.u.wnm_sleep_resp.variable; 10861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* add key data if MFP is enabled */ 109a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (!wpa_auth_uses_mfp(sta->wpa_sm) || 110a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt action_type != WNM_SLEEP_MODE_EXIT) { 11161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.u.wnm_sleep_resp.keydata_len = 0; 11261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else { 11361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt gtk_elem_len = wpa_wnmsleep_gtk_subelem(sta->wpa_sm, pos); 11461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += gtk_elem_len; 11561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Pass 4, gtk_len = %d", 11661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (int) gtk_elem_len); 11761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_IEEE80211W 11861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt res = wpa_wnmsleep_igtk_subelem(sta->wpa_sm, pos); 11961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (res < 0) { 12061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(wnmtfs_ie); 12161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(mgmt); 12261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 12361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 12461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt igtk_elem_len = res; 12561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += igtk_elem_len; 12661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Pass 4 igtk_len = %d", 12761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (int) igtk_elem_len); 12861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 12961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 13061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPA_PUT_LE16((u8 *) 13161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt &mgmt->u.action.u.wnm_sleep_resp.keydata_len, 13261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt gtk_elem_len + igtk_elem_len); 13361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 13461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(pos, &wnmsleep_ie, wnmsleep_ie_len); 13561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* copy TFS IE here */ 13661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += wnmsleep_ie_len; 137a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (wnmtfs_ie) 138a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_memcpy(pos, wnmtfs_ie, wnmtfs_ie_len); 13961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 14061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt len = 1 + sizeof(mgmt->u.action.u.wnm_sleep_resp) + gtk_elem_len + 14161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt igtk_elem_len + wnmsleep_ie_len + wnmtfs_ie_len; 14261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 14361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* In driver, response frame should be forced to sent when STA is in 14461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * PS mode */ 14561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt res = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, 14661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->da, &mgmt->u.action.category, len); 14761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 14861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!res) { 14961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Successfully send WNM-Sleep Response " 15061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt "frame"); 15161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 15261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* when entering wnmsleep 15361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 1. pause the node in driver 15461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 2. mark the node so that AP won't update GTK/IGTK during 15561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * WNM Sleep 15661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 15761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wnmsleep_ie.status == WNM_STATUS_SLEEP_ACCEPT && 158a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie.action_type == WNM_SLEEP_MODE_ENTER) { 159fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sta->flags |= WLAN_STA_WNM_SLEEP_MODE; 16061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt hostapd_drv_wnm_oper(hapd, WNM_SLEEP_ENTER_CONFIRM, 16161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt addr, NULL, NULL); 16261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_set_wnmsleep(sta->wpa_sm, 1); 16361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 16461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* when exiting wnmsleep 16561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 1. unmark the node 16661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 2. start GTK/IGTK update if MFP is not used 16761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 3. unpause the node in driver 16861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 169a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if ((wnmsleep_ie.status == WNM_STATUS_SLEEP_ACCEPT || 170a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie.status == 171a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt WNM_STATUS_SLEEP_EXIT_ACCEPT_GTK_UPDATE) && 172a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie.action_type == WNM_SLEEP_MODE_EXIT) { 173fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; 17461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_set_wnmsleep(sta->wpa_sm, 0); 17561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt hostapd_drv_wnm_oper(hapd, WNM_SLEEP_EXIT_CONFIRM, 17661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt addr, NULL, NULL); 177a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (!wpa_auth_uses_mfp(sta->wpa_sm)) 17861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_wnmsleep_rekey_gtk(sta->wpa_sm); 17961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 18061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 18161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Fail to send WNM-Sleep Response frame"); 18261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 18361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#undef MAX_GTK_SUBELEM_LEN 18461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#undef MAX_IGTK_SUBELEM_LEN 18561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(wnmtfs_ie); 18661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(mgmt); 18761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return res; 18861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 18961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 19061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 19161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic void ieee802_11_rx_wnmsleep_req(struct hostapd_data *hapd, 19261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *addr, const u8 *frm, int len) 19361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 194a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt /* Dialog Token [1] | WNM-Sleep Mode IE | TFS Response IE */ 195a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *pos = frm; 196a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt u8 dialog_token; 19761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct wnm_sleep_element *wnmsleep_ie = NULL; 19861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* multiple TFS Req IE (assuming consecutive) */ 19961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *tfsreq_ie_start = NULL; 20061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *tfsreq_ie_end = NULL; 20161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u16 tfsreq_ie_len = 0; 20261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 203a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt dialog_token = *pos++; 204a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt while (pos + 1 < frm + len) { 205a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt u8 ie_len = pos[1]; 206a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos + 2 + ie_len > frm + len) 207a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt break; 20861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (*pos == WLAN_EID_WNMSLEEP) 209a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie = (struct wnm_sleep_element *) pos; 21061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt else if (*pos == WLAN_EID_TFS_REQ) { 21161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!tfsreq_ie_start) 212a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_start = (u8 *) pos; 213a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_end = (u8 *) pos; 21461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 215a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: EID %d not recognized", 216a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt *pos); 21761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += ie_len + 2; 21861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 21961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 22061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!wnmsleep_ie) { 22161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "No WNM-Sleep IE found"); 22261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return; 22361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 22461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 225a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_ENTER && 226a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_start && tfsreq_ie_end && 227a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_end - tfsreq_ie_start >= 0) { 22861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tfsreq_ie_len = (tfsreq_ie_end + tfsreq_ie_end[1] + 2) - 22961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tfsreq_ie_start; 23061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "TFS Req IE(s) found"); 23161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* pass the TFS Req IE(s) to driver for processing */ 23261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ieee80211_11_set_tfs_ie(hapd, addr, tfsreq_ie_start, 23361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt &tfsreq_ie_len, 23461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WNM_SLEEP_TFS_REQ_IE_SET)) 23561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Fail to set TFS Req IE"); 23661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 23761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 23861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ieee802_11_send_wnmsleep_resp(hapd, addr, dialog_token, 23961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie->action_type, 240fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt le_to_host16(wnmsleep_ie->intval)); 24161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 242a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_EXIT) { 24361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* clear the tfs after sending the resp frame */ 24461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ieee80211_11_set_tfs_ie(hapd, addr, tfsreq_ie_start, 24561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt &tfsreq_ie_len, WNM_SLEEP_TFS_IE_DEL); 24661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 24761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 24861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 24961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 250fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic int ieee802_11_send_bss_trans_mgmt_request(struct hostapd_data *hapd, 251fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *addr, 252fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 dialog_token, 253fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const char *url) 254fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 255fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct ieee80211_mgmt *mgmt; 256fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t url_len, len; 257fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 *pos; 258fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int res; 259fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 260fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (url) 261fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt url_len = os_strlen(url); 262fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt else 263fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt url_len = 0; 264fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 265fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt = os_zalloc(sizeof(*mgmt) + (url_len ? 1 + url_len : 0)); 266fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (mgmt == NULL) 267fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 268fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->da, addr, ETH_ALEN); 269fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 270fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 271fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 272fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WLAN_FC_STYPE_ACTION); 273fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 274fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 275fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = dialog_token; 276fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = 0; 277fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = host_to_le16(0); 278fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = 1; 279fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 280fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (url) { 281fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *pos++ += url_len; 282fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(pos, url, url_len); 283fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos += url_len; 284fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 285fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 286fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request to " 287fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR " dialog_token=%u req_mode=0x%x disassoc_timer=%u " 288fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "validity_interval=%u", 289fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MAC2STR(addr), dialog_token, 290fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode, 291fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt le_to_host16(mgmt->u.action.u.bss_tm_req.disassoc_timer), 292fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval); 293fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 294fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt len = pos - &mgmt->u.action.category; 295fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt res = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, 296fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->da, &mgmt->u.action.category, len); 297fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_free(mgmt); 298fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return res; 299fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 300fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 301fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 302fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic void ieee802_11_rx_bss_trans_mgmt_query(struct hostapd_data *hapd, 303fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *addr, const u8 *frm, 304fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t len) 305fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 306fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 dialog_token, reason; 307fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *pos, *end; 308fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 309fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (len < 2) { 310fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Ignore too short BSS Transition Management Query from " 311fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR, MAC2STR(addr)); 312fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 313fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 314fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 315fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = frm; 316fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt end = pos + len; 317fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt dialog_token = *pos++; 318fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt reason = *pos++; 319fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 320fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management Query from " 321fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR " dialog_token=%u reason=%u", 322fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MAC2STR(addr), dialog_token, reason); 323fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 324fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WNM: BSS Transition Candidate List Entries", 325fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos, end - pos); 326fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 327fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_send_bss_trans_mgmt_request(hapd, addr, dialog_token, NULL); 328fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 329fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 330fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 331fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic void ieee802_11_rx_bss_trans_mgmt_resp(struct hostapd_data *hapd, 332fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *addr, const u8 *frm, 333fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t len) 334fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 335fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 dialog_token, status_code, bss_termination_delay; 336fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *pos, *end; 337fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 338fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (len < 3) { 339fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Ignore too short BSS Transition Management Response from " 340fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR, MAC2STR(addr)); 341fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 342fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 343fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 344fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = frm; 345fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt end = pos + len; 346fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt dialog_token = *pos++; 347fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt status_code = *pos++; 348fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt bss_termination_delay = *pos++; 349fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 350fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management Response from " 351fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR " dialog_token=%u status_code=%u " 352fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "bss_termination_delay=%u", MAC2STR(addr), dialog_token, 353fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt status_code, bss_termination_delay); 354fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 355fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (status_code == WNM_BSS_TM_ACCEPT) { 356fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (end - pos < ETH_ALEN) { 357fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: not enough room for Target BSSID field"); 358fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 359fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 360fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Target BSSID: " MACSTR, 361fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MAC2STR(pos)); 362fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_msg(hapd->msg_ctx, MSG_INFO, BSS_TM_RESP MACSTR 363fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt " status_code=%u bss_termination_delay=%u target_bssid=" 364fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MACSTR, 365fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(addr), status_code, bss_termination_delay, 366fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(pos)); 367fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos += ETH_ALEN; 368fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } else { 369fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_msg(hapd->msg_ctx, MSG_INFO, BSS_TM_RESP MACSTR 370fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt " status_code=%u bss_termination_delay=%u", 371fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(addr), status_code, bss_termination_delay); 372fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 373fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 374fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WNM: BSS Transition Candidate List Entries", 375fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos, end - pos); 376fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 377fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 378fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 379a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtint ieee802_11_rx_wnm_action_ap(struct hostapd_data *hapd, 380fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const struct ieee80211_mgmt *mgmt, size_t len) 38161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 382fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 action; 383fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *payload; 384fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t plen; 385fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 386fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (len < IEEE80211_HDRLEN + 2) 387a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return -1; 38861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 389623d63a3a443027e50efdaaec027befcc3882527Dmitry Shmidt payload = ((const u8 *) mgmt) + IEEE80211_HDRLEN + 1; 390fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt action = *payload++; 391623d63a3a443027e50efdaaec027befcc3882527Dmitry Shmidt plen = len - IEEE80211_HDRLEN - 2; 392fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 393fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt switch (action) { 394a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt case WNM_BSS_TRANS_MGMT_QUERY: 395fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_rx_bss_trans_mgmt_query(hapd, mgmt->sa, payload, 396fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt plen); 397fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 398a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt case WNM_BSS_TRANS_MGMT_RESP: 399fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_rx_bss_trans_mgmt_resp(hapd, mgmt->sa, payload, 400fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt plen); 401fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 40261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case WNM_SLEEP_MODE_REQ: 403fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_rx_wnmsleep_req(hapd, mgmt->sa, payload, plen); 404a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return 0; 40561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 40661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 407a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Unsupported WNM Action %u from " MACSTR, 408fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt action, MAC2STR(mgmt->sa)); 409a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return -1; 410a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 411fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 412fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 413fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint wnm_send_disassoc_imminent(struct hostapd_data *hapd, 414fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct sta_info *sta, int disassoc_timer) 415fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 416fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 buf[1000], *pos; 417fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct ieee80211_mgmt *mgmt; 418fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 419fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memset(buf, 0, sizeof(buf)); 420fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt = (struct ieee80211_mgmt *) buf; 421fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 422fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WLAN_FC_STYPE_ACTION); 423fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->da, sta->addr, ETH_ALEN); 424fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 425fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 426fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 427fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 428fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = 1; 429fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = 430fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WNM_BSS_TM_REQ_DISASSOC_IMMINENT; 431fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = 432fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt host_to_le16(disassoc_timer); 433fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = 0; 434fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 435fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 436fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 437fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request frame to indicate imminent disassociation (disassoc_timer=%d) to " 438fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR, disassoc_timer, MAC2STR(sta->addr)); 439fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { 440fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to send BSS Transition " 441fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "Management Request frame"); 442fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 443fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 444fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 445fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 446fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 447fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 448fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 449fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidtstatic void set_disassoc_timer(struct hostapd_data *hapd, struct sta_info *sta, 450fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt int disassoc_timer) 451fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt{ 452fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt int timeout, beacon_int; 453fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 454fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* 455fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * Prevent STA from reconnecting using cached PMKSA to force 456fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * full authentication with the authentication server (which may 457fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * decide to reject the connection), 458fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt */ 459fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr); 460fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 461fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt beacon_int = hapd->iconf->beacon_int; 462fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (beacon_int < 1) 463fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt beacon_int = 100; /* best guess */ 464fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* Calculate timeout in ms based on beacon_int in TU */ 465fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt timeout = disassoc_timer * beacon_int * 128 / 125; 466fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, "Disassociation timer for " MACSTR 467fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt " set to %d ms", MAC2STR(sta->addr), timeout); 468fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 469fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sta->timeout_next = STA_DISASSOC_FROM_CLI; 470fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt eloop_cancel_timeout(ap_handle_timer, hapd, sta); 471fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt eloop_register_timeout(timeout / 1000, 472fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt timeout % 1000 * 1000, 473fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt ap_handle_timer, hapd, sta); 474fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt} 475fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 476fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 477fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint wnm_send_ess_disassoc_imminent(struct hostapd_data *hapd, 478fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct sta_info *sta, const char *url, 479fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int disassoc_timer) 480fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 481fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 buf[1000], *pos; 482fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct ieee80211_mgmt *mgmt; 483fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t url_len; 484fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 485fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memset(buf, 0, sizeof(buf)); 486fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt = (struct ieee80211_mgmt *) buf; 487fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 488fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WLAN_FC_STYPE_ACTION); 489fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->da, sta->addr, ETH_ALEN); 490fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 491fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 492fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 493fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 494fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = 1; 495fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = 496fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WNM_BSS_TM_REQ_DISASSOC_IMMINENT | 497fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT; 498fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = 499fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt host_to_le16(disassoc_timer); 500fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = 0x01; 501fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 502fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 503fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 504fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt /* Session Information URL */ 505fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt url_len = os_strlen(url); 506fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (url_len > 255) 507fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 508fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *pos++ = url_len; 509fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(pos, url, url_len); 510fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos += url_len; 511fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 512fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { 513fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to send BSS Transition " 514fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "Management Request frame"); 515fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 516fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 517fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 518fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (disassoc_timer) { 519fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* send disassociation frame after time-out */ 520fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt set_disassoc_timer(hapd, sta, disassoc_timer); 521fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 522fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 523fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return 0; 524fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt} 525fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 526fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 527fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidtint wnm_send_bss_tm_req(struct hostapd_data *hapd, struct sta_info *sta, 528fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt u8 req_mode, int disassoc_timer, u8 valid_int, 529fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt const u8 *bss_term_dur, const char *url, 530fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt const u8 *nei_rep, size_t nei_rep_len) 531fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt{ 532fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt u8 *buf, *pos; 533fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt struct ieee80211_mgmt *mgmt; 534fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt size_t url_len; 535fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 536fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request to " 537fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MACSTR " req_mode=0x%x disassoc_timer=%d valid_int=0x%x", 538fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(sta->addr), req_mode, disassoc_timer, valid_int); 539fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt buf = os_zalloc(1000 + nei_rep_len); 540fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (buf == NULL) 541fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return -1; 542fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt = (struct ieee80211_mgmt *) buf; 543fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 544fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt WLAN_FC_STYPE_ACTION); 545fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(mgmt->da, sta->addr, ETH_ALEN); 546fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 547fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 548fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 549fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 550fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = 1; 551fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = req_mode; 552fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = 553fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt host_to_le16(disassoc_timer); 554fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = valid_int; 555fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 556fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 557fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 558fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if ((req_mode & WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED) && 559fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt bss_term_dur) { 560fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(pos, bss_term_dur, 12); 561fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += 12; 562fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 563fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 564fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (url) { 565fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* Session Information URL */ 566fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt url_len = os_strlen(url); 567432d603c922e970f55866c63212d29c997438977Dmitry Shmidt if (url_len > 255) { 568432d603c922e970f55866c63212d29c997438977Dmitry Shmidt os_free(buf); 569fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return -1; 570432d603c922e970f55866c63212d29c997438977Dmitry Shmidt } 571432d603c922e970f55866c63212d29c997438977Dmitry Shmidt 572fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt *pos++ = url_len; 573fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(pos, url, url_len); 574fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += url_len; 575fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 576fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 577fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (nei_rep) { 578fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(pos, nei_rep, nei_rep_len); 579fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += nei_rep_len; 580fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 581fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 582fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { 583fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, 584fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt "Failed to send BSS Transition Management Request frame"); 585fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_free(buf); 586fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return -1; 587fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 588fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_free(buf); 589fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 590fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (disassoc_timer) { 591fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* send disassociation frame after time-out */ 592fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt set_disassoc_timer(hapd, sta, disassoc_timer); 593fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 594fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 595fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 596fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 597