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" 2057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt#include "mbo_ap.h" 2161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "wnm_ap.h" 2261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define MAX_TFS_IE_LEN 1024 2461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 2661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* get the TFS IE from driver */ 2761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int ieee80211_11_get_tfs_ie(struct hostapd_data *hapd, const u8 *addr, 2861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *buf, u16 *buf_len, enum wnm_oper oper) 2961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 3061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: TFS get operation %d", __func__, oper); 3161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return hostapd_drv_wnm_oper(hapd, oper, addr, buf, buf_len); 3361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 3461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* set the TFS IE to driver */ 3761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int ieee80211_11_set_tfs_ie(struct hostapd_data *hapd, const u8 *addr, 3861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *buf, u16 *buf_len, enum wnm_oper oper) 3961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 4061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: TFS set operation %d", __func__, oper); 4161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return hostapd_drv_wnm_oper(hapd, oper, addr, buf, buf_len); 4361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 4461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt/* MLME-SLEEPMODE.response */ 4761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic int ieee802_11_send_wnmsleep_resp(struct hostapd_data *hapd, 4861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *addr, u8 dialog_token, 4961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 action_type, u16 intval) 5061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 5161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct ieee80211_mgmt *mgmt; 5261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt int res; 5361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t len; 5461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t gtk_elem_len = 0; 5561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t igtk_elem_len = 0; 5661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct wnm_sleep_element wnmsleep_ie; 5761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *wnmtfs_ie; 5861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 wnmsleep_ie_len; 5961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u16 wnmtfs_ie_len; 6061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *pos; 6161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct sta_info *sta; 62a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt enum wnm_oper tfs_oper = action_type == WNM_SLEEP_MODE_ENTER ? 63a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt WNM_SLEEP_TFS_RESP_IE_ADD : WNM_SLEEP_TFS_RESP_IE_NONE; 6461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 6561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sta = ap_get_sta(hapd, addr); 6661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sta == NULL) { 6761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: station not found", __func__); 6861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -EINVAL; 6961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 7061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 7161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* WNM-Sleep Mode IE */ 7261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memset(&wnmsleep_ie, 0, sizeof(struct wnm_sleep_element)); 7361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie_len = sizeof(struct wnm_sleep_element); 7461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.eid = WLAN_EID_WNMSLEEP; 7561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.len = wnmsleep_ie_len - 2; 7661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.action_type = action_type; 7761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie.status = WNM_STATUS_SLEEP_ACCEPT; 78fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wnmsleep_ie.intval = host_to_le16(intval); 7961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 8061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* TFS IE(s) */ 8161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmtfs_ie = os_zalloc(MAX_TFS_IE_LEN); 8261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wnmtfs_ie == NULL) 8361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 8461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ieee80211_11_get_tfs_ie(hapd, addr, wnmtfs_ie, &wnmtfs_ie_len, 8561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tfs_oper)) { 8661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmtfs_ie_len = 0; 8761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(wnmtfs_ie); 8861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmtfs_ie = NULL; 8961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 9061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define MAX_GTK_SUBELEM_LEN 45 9261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#define MAX_IGTK_SUBELEM_LEN 26 9361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt = os_zalloc(sizeof(*mgmt) + wnmsleep_ie_len + 9461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt MAX_GTK_SUBELEM_LEN + MAX_IGTK_SUBELEM_LEN); 9561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (mgmt == NULL) { 9661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "MLME: Failed to allocate buffer for " 9761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt "WNM-Sleep Response action frame"); 9857c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt os_free(wnmtfs_ie); 9961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 10061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 10161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(mgmt->da, addr, ETH_ALEN); 10261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 10361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 10461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 10561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WLAN_FC_STYPE_ACTION); 10661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 10761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.u.wnm_sleep_resp.action = WNM_SLEEP_MODE_RESP; 10861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.u.wnm_sleep_resp.dialogtoken = dialog_token; 10961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos = (u8 *)mgmt->u.action.u.wnm_sleep_resp.variable; 11061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* add key data if MFP is enabled */ 111a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (!wpa_auth_uses_mfp(sta->wpa_sm) || 112a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt action_type != WNM_SLEEP_MODE_EXIT) { 11361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->u.action.u.wnm_sleep_resp.keydata_len = 0; 11461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else { 11561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt gtk_elem_len = wpa_wnmsleep_gtk_subelem(sta->wpa_sm, pos); 11661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += gtk_elem_len; 11761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Pass 4, gtk_len = %d", 11861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (int) gtk_elem_len); 11961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_IEEE80211W 12061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt res = wpa_wnmsleep_igtk_subelem(sta->wpa_sm, pos); 12161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (res < 0) { 12261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(wnmtfs_ie); 12361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(mgmt); 12461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return -1; 12561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 12661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt igtk_elem_len = res; 12761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += igtk_elem_len; 12861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Pass 4 igtk_len = %d", 12961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt (int) igtk_elem_len); 13061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 13161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 13261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPA_PUT_LE16((u8 *) 13361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt &mgmt->u.action.u.wnm_sleep_resp.keydata_len, 13461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt gtk_elem_len + igtk_elem_len); 13561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 13661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(pos, &wnmsleep_ie, wnmsleep_ie_len); 13761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* copy TFS IE here */ 13861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += wnmsleep_ie_len; 139a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (wnmtfs_ie) 140a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_memcpy(pos, wnmtfs_ie, wnmtfs_ie_len); 14161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 14261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt len = 1 + sizeof(mgmt->u.action.u.wnm_sleep_resp) + gtk_elem_len + 14361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt igtk_elem_len + wnmsleep_ie_len + wnmtfs_ie_len; 14461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 14561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* In driver, response frame should be forced to sent when STA is in 14661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * PS mode */ 14761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt res = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, 14861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt mgmt->da, &mgmt->u.action.category, len); 14961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 15061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!res) { 15161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Successfully send WNM-Sleep Response " 15261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt "frame"); 15361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 15461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* when entering wnmsleep 15561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 1. pause the node in driver 15661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 2. mark the node so that AP won't update GTK/IGTK during 15761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * WNM Sleep 15861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 15961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (wnmsleep_ie.status == WNM_STATUS_SLEEP_ACCEPT && 160a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie.action_type == WNM_SLEEP_MODE_ENTER) { 161fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sta->flags |= WLAN_STA_WNM_SLEEP_MODE; 16261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt hostapd_drv_wnm_oper(hapd, WNM_SLEEP_ENTER_CONFIRM, 16361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt addr, NULL, NULL); 16461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_set_wnmsleep(sta->wpa_sm, 1); 16561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 16661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* when exiting wnmsleep 16761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 1. unmark the node 16861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 2. start GTK/IGTK update if MFP is not used 16961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * 3. unpause the node in driver 17061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt */ 171a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if ((wnmsleep_ie.status == WNM_STATUS_SLEEP_ACCEPT || 172a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie.status == 173a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt WNM_STATUS_SLEEP_EXIT_ACCEPT_GTK_UPDATE) && 174a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie.action_type == WNM_SLEEP_MODE_EXIT) { 175fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; 17661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_set_wnmsleep(sta->wpa_sm, 0); 17761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt hostapd_drv_wnm_oper(hapd, WNM_SLEEP_EXIT_CONFIRM, 17861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt addr, NULL, NULL); 179a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (!wpa_auth_uses_mfp(sta->wpa_sm)) 18061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_wnmsleep_rekey_gtk(sta->wpa_sm); 18161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 18261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 18361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Fail to send WNM-Sleep Response frame"); 18461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 18561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#undef MAX_GTK_SUBELEM_LEN 18661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#undef MAX_IGTK_SUBELEM_LEN 18761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(wnmtfs_ie); 18861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_free(mgmt); 18961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return res; 19061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 19161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 19261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 19361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtstatic void ieee802_11_rx_wnmsleep_req(struct hostapd_data *hapd, 19461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt const u8 *addr, const u8 *frm, int len) 19561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 196a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt /* Dialog Token [1] | WNM-Sleep Mode IE | TFS Response IE */ 197a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *pos = frm; 198a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt u8 dialog_token; 19961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct wnm_sleep_element *wnmsleep_ie = NULL; 20061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* multiple TFS Req IE (assuming consecutive) */ 20161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *tfsreq_ie_start = NULL; 20261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u8 *tfsreq_ie_end = NULL; 20361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt u16 tfsreq_ie_len = 0; 20461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 205a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt dialog_token = *pos++; 206a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt while (pos + 1 < frm + len) { 207a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt u8 ie_len = pos[1]; 208a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos + 2 + ie_len > frm + len) 209a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt break; 21061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (*pos == WLAN_EID_WNMSLEEP) 211a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wnmsleep_ie = (struct wnm_sleep_element *) pos; 21261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt else if (*pos == WLAN_EID_TFS_REQ) { 21361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!tfsreq_ie_start) 214a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_start = (u8 *) pos; 215a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_end = (u8 *) pos; 21661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } else 217a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: EID %d not recognized", 218a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt *pos); 21961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += ie_len + 2; 22061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 22161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 22261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (!wnmsleep_ie) { 22361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "No WNM-Sleep IE found"); 22461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return; 22561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 22661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 227a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_ENTER && 228a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_start && tfsreq_ie_end && 229a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt tfsreq_ie_end - tfsreq_ie_start >= 0) { 23061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tfsreq_ie_len = (tfsreq_ie_end + tfsreq_ie_end[1] + 2) - 23161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tfsreq_ie_start; 23261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "TFS Req IE(s) found"); 23361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* pass the TFS Req IE(s) to driver for processing */ 23461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (ieee80211_11_set_tfs_ie(hapd, addr, tfsreq_ie_start, 23561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt &tfsreq_ie_len, 23661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WNM_SLEEP_TFS_REQ_IE_SET)) 23761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpa_printf(MSG_DEBUG, "Fail to set TFS Req IE"); 23861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 23961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 24061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ieee802_11_send_wnmsleep_resp(hapd, addr, dialog_token, 24161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wnmsleep_ie->action_type, 242fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt le_to_host16(wnmsleep_ie->intval)); 24361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 244a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (wnmsleep_ie->action_type == WNM_SLEEP_MODE_EXIT) { 24561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt /* clear the tfs after sending the resp frame */ 24661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt ieee80211_11_set_tfs_ie(hapd, addr, tfsreq_ie_start, 24761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt &tfsreq_ie_len, WNM_SLEEP_TFS_IE_DEL); 24861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 24961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 25061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 25161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 252fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic int ieee802_11_send_bss_trans_mgmt_request(struct hostapd_data *hapd, 253fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *addr, 254fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 dialog_token, 255fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const char *url) 256fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 257fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct ieee80211_mgmt *mgmt; 258fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t url_len, len; 259fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 *pos; 260fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int res; 261fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 262fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (url) 263fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt url_len = os_strlen(url); 264fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt else 265fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt url_len = 0; 266fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 267fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt = os_zalloc(sizeof(*mgmt) + (url_len ? 1 + url_len : 0)); 268fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (mgmt == NULL) 269fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 270fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->da, addr, ETH_ALEN); 271fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 272fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 273fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 274fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WLAN_FC_STYPE_ACTION); 275fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 276fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 277fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = dialog_token; 278fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = 0; 279fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = host_to_le16(0); 280fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = 1; 281fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 282fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (url) { 283fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *pos++ += url_len; 284fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(pos, url, url_len); 285fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos += url_len; 286fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 287fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 288fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request to " 289fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR " dialog_token=%u req_mode=0x%x disassoc_timer=%u " 290fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "validity_interval=%u", 291fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MAC2STR(addr), dialog_token, 292fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode, 293fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt le_to_host16(mgmt->u.action.u.bss_tm_req.disassoc_timer), 294fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval); 295fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 296fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt len = pos - &mgmt->u.action.category; 297fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt res = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, 298fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->da, &mgmt->u.action.category, len); 299fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_free(mgmt); 300fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return res; 301fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 302fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 303fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 304fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic void ieee802_11_rx_bss_trans_mgmt_query(struct hostapd_data *hapd, 305fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *addr, const u8 *frm, 306fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t len) 307fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 308fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 dialog_token, reason; 309fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *pos, *end; 310fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 311fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (len < 2) { 312fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Ignore too short BSS Transition Management Query from " 313fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR, MAC2STR(addr)); 314fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 315fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 316fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 317fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = frm; 318fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt end = pos + len; 319fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt dialog_token = *pos++; 320fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt reason = *pos++; 321fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 322fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management Query from " 323fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR " dialog_token=%u reason=%u", 324fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MAC2STR(addr), dialog_token, reason); 325fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 326fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WNM: BSS Transition Candidate List Entries", 327fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos, end - pos); 328fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 329fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_send_bss_trans_mgmt_request(hapd, addr, dialog_token, NULL); 330fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 331fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 332fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 333fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic void ieee802_11_rx_bss_trans_mgmt_resp(struct hostapd_data *hapd, 334fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *addr, const u8 *frm, 335fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t len) 336fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 337fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 dialog_token, status_code, bss_termination_delay; 338fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *pos, *end; 339fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 340fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (len < 3) { 341fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Ignore too short BSS Transition Management Response from " 342fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR, MAC2STR(addr)); 343fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 344fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 345fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 346fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = frm; 347fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt end = pos + len; 348fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt dialog_token = *pos++; 349fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt status_code = *pos++; 350fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt bss_termination_delay = *pos++; 351fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 352fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management Response from " 353fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR " dialog_token=%u status_code=%u " 354fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "bss_termination_delay=%u", MAC2STR(addr), dialog_token, 355fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt status_code, bss_termination_delay); 356fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 357fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (status_code == WNM_BSS_TM_ACCEPT) { 358fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (end - pos < ETH_ALEN) { 359fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: not enough room for Target BSSID field"); 360fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return; 361fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 362fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Target BSSID: " MACSTR, 363fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MAC2STR(pos)); 364fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_msg(hapd->msg_ctx, MSG_INFO, BSS_TM_RESP MACSTR 365fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt " status_code=%u bss_termination_delay=%u target_bssid=" 366fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MACSTR, 367fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(addr), status_code, bss_termination_delay, 368fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(pos)); 369fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos += ETH_ALEN; 370fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } else { 371fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_msg(hapd->msg_ctx, MSG_INFO, BSS_TM_RESP MACSTR 372fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt " status_code=%u bss_termination_delay=%u", 373fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(addr), status_code, bss_termination_delay); 374fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 375fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 376fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WNM: BSS Transition Candidate List Entries", 377fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos, end - pos); 378fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 379fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 380fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 38157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidtstatic void ieee802_11_rx_wnm_notification_req(struct hostapd_data *hapd, 38257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt const u8 *addr, const u8 *buf, 38357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt size_t len) 38457c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt{ 38557c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt u8 dialog_token, type; 38657c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 38757c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt if (len < 2) 38857c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt return; 38957c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt dialog_token = *buf++; 39057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt type = *buf++; 39157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt len -= 2; 39257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 39357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt wpa_printf(MSG_DEBUG, 39457c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt "WNM: Received WNM Notification Request frame from " 39557c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt MACSTR " (dialog_token=%u type=%u)", 39657c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt MAC2STR(addr), dialog_token, type); 39757c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "WNM: Notification Request subelements", 39857c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt buf, len); 39957c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt if (type == WLAN_EID_VENDOR_SPECIFIC) 40057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt mbo_ap_wnm_notification_req(hapd, addr, buf, len); 40157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt} 40257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 40357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 404a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtint ieee802_11_rx_wnm_action_ap(struct hostapd_data *hapd, 405fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const struct ieee80211_mgmt *mgmt, size_t len) 40661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 407fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 action; 408fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt const u8 *payload; 409fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t plen; 410fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 411fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (len < IEEE80211_HDRLEN + 2) 412a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return -1; 41361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 414623d63a3a443027e50efdaaec027befcc3882527Dmitry Shmidt payload = ((const u8 *) mgmt) + IEEE80211_HDRLEN + 1; 415fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt action = *payload++; 416623d63a3a443027e50efdaaec027befcc3882527Dmitry Shmidt plen = len - IEEE80211_HDRLEN - 2; 417fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 418fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt switch (action) { 419a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt case WNM_BSS_TRANS_MGMT_QUERY: 420fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_rx_bss_trans_mgmt_query(hapd, mgmt->sa, payload, 421fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt plen); 422fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 423a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt case WNM_BSS_TRANS_MGMT_RESP: 424fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_rx_bss_trans_mgmt_resp(hapd, mgmt->sa, payload, 425fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt plen); 426fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 42761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt case WNM_SLEEP_MODE_REQ: 428fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_rx_wnmsleep_req(hapd, mgmt->sa, payload, plen); 429a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return 0; 43057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt case WNM_NOTIFICATION_REQ: 43157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt ieee802_11_rx_wnm_notification_req(hapd, mgmt->sa, payload, 43257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt plen); 43357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt return 0; 43461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 43561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 436a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Unsupported WNM Action %u from " MACSTR, 437fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt action, MAC2STR(mgmt->sa)); 438a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return -1; 439a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 440fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 441fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 442fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint wnm_send_disassoc_imminent(struct hostapd_data *hapd, 443fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct sta_info *sta, int disassoc_timer) 444fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 445fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 buf[1000], *pos; 446fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct ieee80211_mgmt *mgmt; 447fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 448fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memset(buf, 0, sizeof(buf)); 449fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt = (struct ieee80211_mgmt *) buf; 450fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 451fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WLAN_FC_STYPE_ACTION); 452fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->da, sta->addr, ETH_ALEN); 453fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 454fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 455fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 456fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 457fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = 1; 458fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = 459fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WNM_BSS_TM_REQ_DISASSOC_IMMINENT; 460fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = 461fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt host_to_le16(disassoc_timer); 462fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = 0; 463fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 464fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 465fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 466fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request frame to indicate imminent disassociation (disassoc_timer=%d) to " 467fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt MACSTR, disassoc_timer, MAC2STR(sta->addr)); 468fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { 469fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to send BSS Transition " 470fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "Management Request frame"); 471fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 472fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 473fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 474fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 475fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 476fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 477fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 478fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidtstatic void set_disassoc_timer(struct hostapd_data *hapd, struct sta_info *sta, 479fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt int disassoc_timer) 480fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt{ 481fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt int timeout, beacon_int; 482fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 483fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* 484fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * Prevent STA from reconnecting using cached PMKSA to force 485fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * full authentication with the authentication server (which may 486fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt * decide to reject the connection), 487fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt */ 488fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr); 489fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 490fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt beacon_int = hapd->iconf->beacon_int; 491fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (beacon_int < 1) 492fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt beacon_int = 100; /* best guess */ 493fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* Calculate timeout in ms based on beacon_int in TU */ 494fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt timeout = disassoc_timer * beacon_int * 128 / 125; 495fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, "Disassociation timer for " MACSTR 496fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt " set to %d ms", MAC2STR(sta->addr), timeout); 497fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 498fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sta->timeout_next = STA_DISASSOC_FROM_CLI; 499fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt eloop_cancel_timeout(ap_handle_timer, hapd, sta); 500fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt eloop_register_timeout(timeout / 1000, 501fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt timeout % 1000 * 1000, 502fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt ap_handle_timer, hapd, sta); 503fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt} 504fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 505fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 506fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint wnm_send_ess_disassoc_imminent(struct hostapd_data *hapd, 507fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct sta_info *sta, const char *url, 508fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int disassoc_timer) 509fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 510fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 buf[1000], *pos; 511fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct ieee80211_mgmt *mgmt; 512fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt size_t url_len; 513fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 514fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memset(buf, 0, sizeof(buf)); 515fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt = (struct ieee80211_mgmt *) buf; 516fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 517fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WLAN_FC_STYPE_ACTION); 518fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->da, sta->addr, ETH_ALEN); 519fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 520fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 521fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 522fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 523fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = 1; 524fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = 525fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WNM_BSS_TM_REQ_DISASSOC_IMMINENT | 526fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT; 527fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = 528fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt host_to_le16(disassoc_timer); 529fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = 0x01; 530fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 531fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 532fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 533fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt /* Session Information URL */ 534fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt url_len = os_strlen(url); 535fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (url_len > 255) 536fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 537fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *pos++ = url_len; 538fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_memcpy(pos, url, url_len); 539fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos += url_len; 540fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 541fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { 542fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to send BSS Transition " 543fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt "Management Request frame"); 544fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 545fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 546fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 547fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (disassoc_timer) { 548fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* send disassociation frame after time-out */ 549fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt set_disassoc_timer(hapd, sta, disassoc_timer); 550fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 551fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 552fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return 0; 553fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt} 554fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 555fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 556fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidtint wnm_send_bss_tm_req(struct hostapd_data *hapd, struct sta_info *sta, 557fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt u8 req_mode, int disassoc_timer, u8 valid_int, 558fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt const u8 *bss_term_dur, const char *url, 55957c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt const u8 *nei_rep, size_t nei_rep_len, 56057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt const u8 *mbo_attrs, size_t mbo_len) 561fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt{ 562fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt u8 *buf, *pos; 563fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt struct ieee80211_mgmt *mgmt; 564fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt size_t url_len; 565fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 566fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, "WNM: Send BSS Transition Management Request to " 567fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MACSTR " req_mode=0x%x disassoc_timer=%d valid_int=0x%x", 568fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt MAC2STR(sta->addr), req_mode, disassoc_timer, valid_int); 56957c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt buf = os_zalloc(1000 + nei_rep_len + mbo_len); 570fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (buf == NULL) 571fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return -1; 572fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt = (struct ieee80211_mgmt *) buf; 573fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 574fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt WLAN_FC_STYPE_ACTION); 575fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(mgmt->da, sta->addr, ETH_ALEN); 576fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); 577fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); 578fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.category = WLAN_ACTION_WNM; 579fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.action = WNM_BSS_TRANS_MGMT_REQ; 580fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.dialog_token = 1; 581fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.req_mode = req_mode; 582fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.disassoc_timer = 583fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt host_to_le16(disassoc_timer); 584fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt mgmt->u.action.u.bss_tm_req.validity_interval = valid_int; 585fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 586fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos = mgmt->u.action.u.bss_tm_req.variable; 587fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 588fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if ((req_mode & WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED) && 589fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt bss_term_dur) { 590fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(pos, bss_term_dur, 12); 591fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += 12; 592fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 593fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 594fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (url) { 595fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* Session Information URL */ 596fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt url_len = os_strlen(url); 597432d603c922e970f55866c63212d29c997438977Dmitry Shmidt if (url_len > 255) { 598432d603c922e970f55866c63212d29c997438977Dmitry Shmidt os_free(buf); 599fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return -1; 600432d603c922e970f55866c63212d29c997438977Dmitry Shmidt } 601432d603c922e970f55866c63212d29c997438977Dmitry Shmidt 602fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt *pos++ = url_len; 603fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(pos, url, url_len); 604fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += url_len; 605fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 606fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 607fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (nei_rep) { 608fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(pos, nei_rep, nei_rep_len); 609fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += nei_rep_len; 610fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 611fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 61257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt if (mbo_len > 0) { 61357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt pos += mbo_add_ie(pos, buf + sizeof(buf) - pos, mbo_attrs, 61457c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt mbo_len); 61557c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt } 61657c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt 617fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (hostapd_drv_send_mlme(hapd, buf, pos - buf, 0) < 0) { 618fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, 619fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt "Failed to send BSS Transition Management Request frame"); 620fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_free(buf); 621fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return -1; 622fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 623fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_free(buf); 624fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 625fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (disassoc_timer) { 626fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt /* send disassociation frame after time-out */ 627fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt set_disassoc_timer(hapd, sta, disassoc_timer); 628fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 629fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 630fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return 0; 631fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 632