int ieee802_11_build_ap_params(struct hostapd_data *hapd,
struct wpa_driver_ap_params *params)
{
struct ieee80211_mgmt *head = NULL;
u8 *tail = NULL;
size_t head_len = 0, tail_len = 0;
u8 *resp = NULL;
size_t resp_len = 0;
#ifdef NEED_AP_MLME
u16 capab_info;
u8 *pos, *tailpos, *csa_pos;
#define BEACON_HEAD_BUF_SIZE 256
#define BEACON_TAIL_BUF_SIZE 512
head = os_zalloc(BEACON_HEAD_BUF_SIZE);
tail_len = BEACON_TAIL_BUF_SIZE;
#ifdef CONFIG_WPS
if (hapd->conf->wps_state && hapd->wps_beacon_ie)
tail_len += wpabuf_len(hapd->wps_beacon_ie);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if (hapd->p2p_beacon_ie)
tail_len += wpabuf_len(hapd->p2p_beacon_ie);
#endif /* CONFIG_P2P */
#ifdef CONFIG_FST
if (hapd->iface->fst_ies)
tail_len += wpabuf_len(hapd->iface->fst_ies);
#endif /* CONFIG_FST */
if (hapd->conf->vendor_elements)
tail_len += wpabuf_len(hapd->conf->vendor_elements);
#ifdef CONFIG_IEEE80211AC
if (hapd->conf->vendor_vht) {
tail_len += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
2 + sizeof(struct ieee80211_vht_operation);
}
#endif /* CONFIG_IEEE80211AC */
tail_len += hostapd_mbo_ie_len(hapd);
tailpos = tail = os_malloc(tail_len);
if (head == NULL || tail == NULL) {
wpa_printf(MSG_ERROR, "Failed to set beacon data");
os_free(head);
os_free(tail);
return -1;
}
head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_BEACON);
head->duration = host_to_le16(0);
os_memset(head->da, 0xff, ETH_ALEN);
os_memcpy(head->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN);
head->u.beacon.beacon_int =
host_to_le16(hapd->iconf->beacon_int);
/* hardware or low-level driver will setup seq_ctrl and timestamp */
capab_info = hostapd_own_capab_info(hapd);
head->u.beacon.capab_info = host_to_le16(capab_info);
pos = &head->u.beacon.variable[0];
/* SSID */
*pos++ = WLAN_EID_SSID;
if (hapd->conf->ignore_broadcast_ssid == 2) {
/* clear the data, but keep the correct length of the SSID */
*pos++ = hapd->conf->ssid.ssid_len;
os_memset(pos, 0, hapd->conf->ssid.ssid_len);
pos += hapd->conf->ssid.ssid_len;
} else if (hapd->conf->ignore_broadcast_ssid) {
*pos++ = 0; /* empty SSID */
} else {
*pos++ = hapd->conf->ssid.ssid_len;
os_memcpy(pos, hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len);
pos += hapd->conf->ssid.ssid_len;
}
/* Supported rates */
pos = hostapd_eid_supp_rates(hapd, pos);
/* DS Params */
pos = hostapd_eid_ds_params(hapd, pos);
head_len = pos - (u8 *) head;
tailpos = hostapd_eid_country(hapd, tailpos,
tail + BEACON_TAIL_BUF_SIZE - tailpos);
/* Power Constraint element */
tailpos = hostapd_eid_pwr_constraint(hapd, tailpos);
/* CSA IE */
csa_pos = hostapd_eid_csa(hapd, tailpos);
if (csa_pos != tailpos)
hapd->cs_c_off_beacon = csa_pos - tail - 1;
tailpos = csa_pos;
/* ERP Information element */
tailpos = hostapd_eid_erp_info(hapd, tailpos);
/* Extended supported rates */
tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos);
/* RSN, MDIE, WPA */
tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE -
tailpos);
tailpos = hostapd_eid_rm_enabled_capab(hapd, tailpos,
tail + BEACON_TAIL_BUF_SIZE -
tailpos);
tailpos = hostapd_eid_bss_load(hapd, tailpos,
tail + BEACON_TAIL_BUF_SIZE - tailpos);
/* eCSA IE */
csa_pos = hostapd_eid_ecsa(hapd, tailpos);
if (csa_pos != tailpos)
hapd->cs_c_off_ecsa_beacon = csa_pos - tail - 1;
tailpos = csa_pos;
tailpos = hostapd_eid_supported_op_classes(hapd, tailpos);
#ifdef CONFIG_IEEE80211N
/* Secondary Channel Offset element */
/* TODO: The standard doesn't specify a position for this element. */
tailpos = hostapd_eid_secondary_channel(hapd, tailpos);
tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
tailpos = hostapd_eid_ht_operation(hapd, tailpos);
#endif /* CONFIG_IEEE80211N */
tailpos = hostapd_eid_ext_capab(hapd, tailpos);
/*
* TODO: Time Advertisement element should only be included in some
* DTIM Beacon frames.
*/
tailpos = hostapd_eid_time_adv(hapd, tailpos);
tailpos = hostapd_eid_interworking(hapd, tailpos);
tailpos = hostapd_eid_adv_proto(hapd, tailpos);
tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
#ifdef CONFIG_FST
if (hapd->iface->fst_ies) {
os_memcpy(tailpos, wpabuf_head(hapd->iface->fst_ies),
wpabuf_len(hapd->iface->fst_ies));
tailpos += wpabuf_len(hapd->iface->fst_ies);
}
#endif /* CONFIG_FST */
#ifdef CONFIG_IEEE80211AC
if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
tailpos = hostapd_eid_vht_operation(hapd, tailpos);
tailpos = hostapd_eid_txpower_envelope(hapd, tailpos);
tailpos = hostapd_eid_wb_chsw_wrapper(hapd, tailpos);
}
if (hapd->conf->vendor_vht)
tailpos = hostapd_eid_vendor_vht(hapd, tailpos);
#endif /* CONFIG_IEEE80211AC */
/* Wi-Fi Alliance WMM */
tailpos = hostapd_eid_wmm(hapd, tailpos);
#ifdef CONFIG_WPS
if (hapd->conf->wps_state && hapd->wps_beacon_ie) {
os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie),
wpabuf_len(hapd->wps_beacon_ie));
tailpos += wpabuf_len(hapd->wps_beacon_ie);
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) {
os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie),
wpabuf_len(hapd->p2p_beacon_ie));
tailpos += wpabuf_len(hapd->p2p_beacon_ie);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
P2P_MANAGE)
tailpos = hostapd_eid_p2p_manage(hapd, tailpos);
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_HS20
tailpos = hostapd_eid_hs20_indication(hapd, tailpos);
tailpos = hostapd_eid_osen(hapd, tailpos);
#endif /* CONFIG_HS20 */
tailpos = hostapd_eid_mbo(hapd, tailpos, tail + tail_len - tailpos);
if (hapd->conf->vendor_elements) {
os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
tailpos += wpabuf_len(hapd->conf->vendor_elements);
}
tail_len = tailpos > tail ? tailpos - tail : 0;
resp = hostapd_probe_resp_offloads(hapd, &resp_len);
#endif /* NEED_AP_MLME */
os_memset(params, 0, sizeof(*params));
params->head = (u8 *) head;
params->head_len = head_len;
params->tail = tail;
params->tail_len = tail_len;
params->proberesp = resp;
params->proberesp_len = resp_len;
params->dtim_period = hapd->conf->dtim_period;
params->beacon_int = hapd->iconf->beacon_int;
params->basic_rates = hapd->iface->basic_rates;
params->ssid = hapd->conf->ssid.ssid;
params->ssid_len = hapd->conf->ssid.ssid_len;
if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
(WPA_PROTO_WPA | WPA_PROTO_RSN))
params->pairwise_ciphers = hapd->conf->wpa_pairwise |
hapd->conf->rsn_pairwise;
else if (hapd->conf->wpa & WPA_PROTO_RSN)
params->pairwise_ciphers = hapd->conf->rsn_pairwise;
else if (hapd->conf->wpa & WPA_PROTO_WPA)
params->pairwise_ciphers = hapd->conf->wpa_pairwise;
params->group_cipher = hapd->conf->wpa_group;
params->key_mgmt_suites = hapd->conf->wpa_key_mgmt;
params->auth_algs = hapd->conf->auth_algs;
params->wpa_version = hapd->conf->wpa;
params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa ||
(hapd->conf->ieee802_1x &&
(hapd->conf->default_wep_key_len ||
hapd->conf->individual_wep_key_len));
switch (hapd->conf->ignore_broadcast_ssid) {
case 0:
params->hide_ssid = NO_SSID_HIDING;
break;
case 1:
params->hide_ssid = HIDDEN_SSID_ZERO_LEN;
break;
case 2:
params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS;
break;
}
params->isolate = hapd->conf->isolate;
params->smps_mode = hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_MASK;
#ifdef NEED_AP_MLME
params->cts_protect = !!(ieee802_11_erp_info(hapd) &
ERP_INFO_USE_PROTECTION);
params->preamble = hapd->iface->num_sta_no_short_preamble == 0 &&
hapd->iconf->preamble == SHORT_PREAMBLE;
if (hapd->iface->current_mode &&
hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
params->short_slot_time =
hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1;
else
params->short_slot_time = -1;
if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
params->ht_opmode = -1;
else
params->ht_opmode = hapd->iface->ht_op_mode;
#endif /* NEED_AP_MLME */
params->interworking = hapd->conf->interworking;
if (hapd->conf->interworking &&
!is_zero_ether_addr(hapd->conf->hessid))
params->hessid = hapd->conf->hessid;
params->access_network_type = hapd->conf->access_network_type;
params->ap_max_inactivity = hapd->conf->ap_max_inactivity;
#ifdef CONFIG_P2P
params->p2p_go_ctwindow = hapd->iconf->p2p_go_ctwindow;
#endif /* CONFIG_P2P */
#ifdef CONFIG_HS20
params->disable_dgaf = hapd->conf->disable_dgaf;
if (hapd->conf->osen) {
params->privacy = 1;
params->osen = 1;
}
#endif /* CONFIG_HS20 */
params->pbss = hapd->conf->pbss;
return 0;
}
static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
struct sta_info *sta, const u8 *ssid, size_t ssid_len,
const struct ieee80211_mgmt *req,
int is_p2p, size_t *resp_len)
{
struct ieee80211_mgmt *resp;
u8 *pos, *epos;
size_t buflen;
#define MAX_PROBERESP_LEN 768
buflen = MAX_PROBERESP_LEN;
#ifdef CONFIG_WPS
if (hapd->wps_probe_resp_ie)
buflen += wpabuf_len(hapd->wps_probe_resp_ie);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if (hapd->p2p_probe_resp_ie)
buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
#endif /* CONFIG_P2P */
if (hapd->conf->vendor_elements)
buflen += wpabuf_len(hapd->conf->vendor_elements);
resp = os_zalloc(buflen);
if (resp == NULL)
return NULL;
epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_PROBE_RESP);
if (req)
os_memcpy(resp->da, req->sa, ETH_ALEN);
os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
resp->u.probe_resp.beacon_int =
host_to_le16(hapd->iconf->beacon_int);
/* hardware or low-level driver will setup seq_ctrl and timestamp */
resp->u.probe_resp.capab_info =
host_to_le16(hostapd_own_capab_info(hapd, sta, 1)); // KARMA - FOLLOW
pos = resp->u.probe_resp.variable;
*pos++ = WLAN_EID_SSID;
// KARMA START
if (hapd->iconf->enable_karma && ssid_len > 0) {
*pos++ = ssid_len;
os_memcpy(pos, ssid, ssid_len);
pos += ssid_len;
} else {
*pos++ = hapd->conf->ssid.ssid_len;
os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len);
pos += hapd->conf->ssid.ssid_len;
}
// KARMA END
/* Supported rates */
pos = hostapd_eid_supp_rates(hapd, pos);
/* DS Params */
pos = hostapd_eid_ds_params(hapd, pos);
pos = hostapd_eid_country(hapd, pos, epos - pos);
/* Power Constraint element */
pos = hostapd_eid_pwr_constraint(hapd, pos);
/* ERP Information element */
pos = hostapd_eid_erp_info(hapd, pos);
/* Extended supported rates */
pos = hostapd_eid_ext_supp_rates(hapd, pos);
/* RSN, MDIE, WPA */
pos = hostapd_eid_wpa(hapd, pos, epos - pos);
pos = hostapd_eid_bss_load(hapd, pos, epos - pos);
#ifdef CONFIG_IEEE80211N
pos = hostapd_eid_ht_capabilities(hapd, pos);
pos = hostapd_eid_ht_operation(hapd, pos);
#endif /* CONFIG_IEEE80211N */
pos = hostapd_eid_ext_capab(hapd, pos);
pos = hostapd_eid_time_adv(hapd, pos);
pos = hostapd_eid_time_zone(hapd, pos);
pos = hostapd_eid_interworking(hapd, pos);
pos = hostapd_eid_adv_proto(hapd, pos);
pos = hostapd_eid_roaming_consortium(hapd, pos);
pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
&hapd->cs_c_off_proberesp);
#ifdef CONFIG_IEEE80211AC
pos = hostapd_eid_vht_capabilities(hapd, pos);
pos = hostapd_eid_vht_operation(hapd, pos);
#endif /* CONFIG_IEEE80211AC */
/* Wi-Fi Alliance WMM */
pos = hostapd_eid_wmm(hapd, pos);
#ifdef CONFIG_WPS
if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
wpabuf_len(hapd->wps_probe_resp_ie));
pos += wpabuf_len(hapd->wps_probe_resp_ie);
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p &&
hapd->p2p_probe_resp_ie) {
os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
wpabuf_len(hapd->p2p_probe_resp_ie));
pos += wpabuf_len(hapd->p2p_probe_resp_ie);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
P2P_MANAGE)
pos = hostapd_eid_p2p_manage(hapd, pos);
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_HS20
pos = hostapd_eid_hs20_indication(hapd, pos);
pos = hostapd_eid_osen(hapd, pos);
#endif /* CONFIG_HS20 */
if (hapd->conf->vendor_elements) {
os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
pos += wpabuf_len(hapd->conf->vendor_elements);
}
*resp_len = pos - (u8 *) resp;
return (u8 *) resp;
}
static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
const struct ieee80211_mgmt *req,
int is_p2p, size_t *resp_len)
{
struct ieee80211_mgmt *resp;
u8 *pos, *epos, *csa_pos;
size_t buflen;
#define MAX_PROBERESP_LEN 768
buflen = MAX_PROBERESP_LEN;
#ifdef CONFIG_WPS
if (hapd->wps_probe_resp_ie)
buflen += wpabuf_len(hapd->wps_probe_resp_ie);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if (hapd->p2p_probe_resp_ie)
buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
#endif /* CONFIG_P2P */
#ifdef CONFIG_FST
if (hapd->iface->fst_ies)
buflen += wpabuf_len(hapd->iface->fst_ies);
#endif /* CONFIG_FST */
if (hapd->conf->vendor_elements)
buflen += wpabuf_len(hapd->conf->vendor_elements);
if (hapd->conf->vendor_vht) {
buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
2 + sizeof(struct ieee80211_vht_operation);
}
buflen += hostapd_mbo_ie_len(hapd);
resp = os_zalloc(buflen);
if (resp == NULL)
return NULL;
epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_PROBE_RESP);
if (req)
os_memcpy(resp->da, req->sa, ETH_ALEN);
os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
resp->u.probe_resp.beacon_int =
host_to_le16(hapd->iconf->beacon_int);
/* hardware or low-level driver will setup seq_ctrl and timestamp */
resp->u.probe_resp.capab_info =
host_to_le16(hostapd_own_capab_info(hapd));
pos = resp->u.probe_resp.variable;
*pos++ = WLAN_EID_SSID;
*pos++ = hapd->conf->ssid.ssid_len;
os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len);
pos += hapd->conf->ssid.ssid_len;
/* Supported rates */
pos = hostapd_eid_supp_rates(hapd, pos);
/* DS Params */
pos = hostapd_eid_ds_params(hapd, pos);
pos = hostapd_eid_country(hapd, pos, epos - pos);
/* Power Constraint element */
pos = hostapd_eid_pwr_constraint(hapd, pos);
/* CSA IE */
csa_pos = hostapd_eid_csa(hapd, pos);
if (csa_pos != pos)
hapd->cs_c_off_proberesp = csa_pos - (u8 *) resp - 1;
pos = csa_pos;
/* ERP Information element */
pos = hostapd_eid_erp_info(hapd, pos);
/* Extended supported rates */
pos = hostapd_eid_ext_supp_rates(hapd, pos);
/* RSN, MDIE, WPA */
pos = hostapd_eid_wpa(hapd, pos, epos - pos);
pos = hostapd_eid_bss_load(hapd, pos, epos - pos);
pos = hostapd_eid_rm_enabled_capab(hapd, pos, epos - pos);
/* eCSA IE */
csa_pos = hostapd_eid_ecsa(hapd, pos);
if (csa_pos != pos)
hapd->cs_c_off_ecsa_proberesp = csa_pos - (u8 *) resp - 1;
pos = csa_pos;
pos = hostapd_eid_supported_op_classes(hapd, pos);
#ifdef CONFIG_IEEE80211N
/* Secondary Channel Offset element */
/* TODO: The standard doesn't specify a position for this element. */
pos = hostapd_eid_secondary_channel(hapd, pos);
pos = hostapd_eid_ht_capabilities(hapd, pos);
pos = hostapd_eid_ht_operation(hapd, pos);
#endif /* CONFIG_IEEE80211N */
pos = hostapd_eid_ext_capab(hapd, pos);
pos = hostapd_eid_time_adv(hapd, pos);
pos = hostapd_eid_time_zone(hapd, pos);
pos = hostapd_eid_interworking(hapd, pos);
pos = hostapd_eid_adv_proto(hapd, pos);
pos = hostapd_eid_roaming_consortium(hapd, pos);
#ifdef CONFIG_FST
if (hapd->iface->fst_ies) {
os_memcpy(pos, wpabuf_head(hapd->iface->fst_ies),
wpabuf_len(hapd->iface->fst_ies));
pos += wpabuf_len(hapd->iface->fst_ies);
}
#endif /* CONFIG_FST */
#ifdef CONFIG_IEEE80211AC
if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
pos = hostapd_eid_vht_capabilities(hapd, pos);
pos = hostapd_eid_vht_operation(hapd, pos);
pos = hostapd_eid_txpower_envelope(hapd, pos);
pos = hostapd_eid_wb_chsw_wrapper(hapd, pos);
}
if (hapd->conf->vendor_vht)
pos = hostapd_eid_vendor_vht(hapd, pos);
#endif /* CONFIG_IEEE80211AC */
/* Wi-Fi Alliance WMM */
pos = hostapd_eid_wmm(hapd, pos);
#ifdef CONFIG_WPS
if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
wpabuf_len(hapd->wps_probe_resp_ie));
pos += wpabuf_len(hapd->wps_probe_resp_ie);
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p &&
hapd->p2p_probe_resp_ie) {
os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
wpabuf_len(hapd->p2p_probe_resp_ie));
pos += wpabuf_len(hapd->p2p_probe_resp_ie);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
P2P_MANAGE)
pos = hostapd_eid_p2p_manage(hapd, pos);
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_HS20
pos = hostapd_eid_hs20_indication(hapd, pos);
pos = hostapd_eid_osen(hapd, pos);
#endif /* CONFIG_HS20 */
pos = hostapd_eid_mbo(hapd, pos, (u8 *) resp + buflen - pos);
if (hapd->conf->vendor_elements) {
os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
pos += wpabuf_len(hapd->conf->vendor_elements);
}
*resp_len = pos - (u8 *) resp;
return (u8 *) resp;
}
static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
struct sta_info *sta, const u8 *ssid, size_t ssid_len,
const struct ieee80211_mgmt *req,
int is_p2p, size_t *resp_len)
{
struct ieee80211_mgmt *resp;
u8 *pos, *epos;
size_t buflen;
#define MAX_PROBERESP_LEN 768
buflen = MAX_PROBERESP_LEN;
#ifdef CONFIG_WPS
if (hapd->wps_probe_resp_ie)
buflen += wpabuf_len(hapd->wps_probe_resp_ie);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if (hapd->p2p_probe_resp_ie)
buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
#endif /* CONFIG_P2P */
if (hapd->conf->vendor_elements)
buflen += wpabuf_len(hapd->conf->vendor_elements);
resp = os_zalloc(buflen);
if (resp == NULL)
return NULL;
epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_PROBE_RESP);
//MANA - check against macacl
if (req && hapd->iconf->mana_macacl) {
int match;
if (hapd->iconf->bss[0]->macaddr_acl == DENY_UNLESS_ACCEPTED) {
match = hostapd_maclist_found(hapd->conf->accept_mac, hapd->conf->num_accept_mac, req->sa, NULL);
if (!match) {
wpa_printf(MSG_DEBUG, "MANA: Station MAC is not authorised by accept ACL: " MACSTR, MAC2STR(req->sa));
return NULL; //MAC is not in accept list, back out and don't send
}
} else if (hapd->iconf->bss[0]->macaddr_acl == ACCEPT_UNLESS_DENIED) {
if (hostapd_maclist_found(hapd->conf->deny_mac, hapd->conf->num_deny_mac, req->sa, NULL)) {
wpa_printf(MSG_DEBUG, "MANA: Station MAC is not authorised by deny ACL: " MACSTR, MAC2STR(req->sa));
return NULL; //MAC is in deny list, back out and don't send
}
}
wpa_printf(MSG_INFO, "MANA: Station MAC is authorised by ACL: " MACSTR, MAC2STR(req->sa));
}
//MANA END
if (req)
os_memcpy(resp->da, req->sa, ETH_ALEN);
os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
resp->u.probe_resp.beacon_int =
host_to_le16(hapd->iconf->beacon_int);
/* hardware or low-level driver will setup seq_ctrl and timestamp */
resp->u.probe_resp.capab_info =
host_to_le16(hostapd_own_capab_info(hapd, sta, 1)); // MANA - FOLLOW
pos = resp->u.probe_resp.variable;
*pos++ = WLAN_EID_SSID;
// MANA START
if (hapd->iconf->enable_mana && ssid_len > 0) {
*pos++ = ssid_len;
os_memcpy(pos, ssid, ssid_len);
pos += ssid_len;
} else {
*pos++ = hapd->conf->ssid.ssid_len;
os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len);
pos += hapd->conf->ssid.ssid_len;
}
// MANA END
/* Supported rates */
pos = hostapd_eid_supp_rates(hapd, pos);
/* DS Params */
pos = hostapd_eid_ds_params(hapd, pos);
pos = hostapd_eid_country(hapd, pos, epos - pos);
/* Power Constraint element */
pos = hostapd_eid_pwr_constraint(hapd, pos);
/* ERP Information element */
pos = hostapd_eid_erp_info(hapd, pos);
/* Extended supported rates */
pos = hostapd_eid_ext_supp_rates(hapd, pos);
/* RSN, MDIE, WPA */
pos = hostapd_eid_wpa(hapd, pos, epos - pos);
pos = hostapd_eid_bss_load(hapd, pos, epos - pos);
#ifdef CONFIG_IEEE80211N
pos = hostapd_eid_ht_capabilities(hapd, pos);
pos = hostapd_eid_ht_operation(hapd, pos);
#endif /* CONFIG_IEEE80211N */
pos = hostapd_eid_ext_capab(hapd, pos);
pos = hostapd_eid_time_adv(hapd, pos);
pos = hostapd_eid_time_zone(hapd, pos);
pos = hostapd_eid_interworking(hapd, pos);
pos = hostapd_eid_adv_proto(hapd, pos);
pos = hostapd_eid_roaming_consortium(hapd, pos);
pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
&hapd->cs_c_off_proberesp);
#ifdef CONFIG_IEEE80211AC
pos = hostapd_eid_vht_capabilities(hapd, pos);
pos = hostapd_eid_vht_operation(hapd, pos);
#endif /* CONFIG_IEEE80211AC */
/* Wi-Fi Alliance WMM */
pos = hostapd_eid_wmm(hapd, pos);
#ifdef CONFIG_WPS
if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
wpabuf_len(hapd->wps_probe_resp_ie));
pos += wpabuf_len(hapd->wps_probe_resp_ie);
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p &&
hapd->p2p_probe_resp_ie) {
os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
wpabuf_len(hapd->p2p_probe_resp_ie));
pos += wpabuf_len(hapd->p2p_probe_resp_ie);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
P2P_MANAGE)
pos = hostapd_eid_p2p_manage(hapd, pos);
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_HS20
pos = hostapd_eid_hs20_indication(hapd, pos);
pos = hostapd_eid_osen(hapd, pos);
#endif /* CONFIG_HS20 */
if (hapd->conf->vendor_elements) {
os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
pos += wpabuf_len(hapd->conf->vendor_elements);
}
*resp_len = pos - (u8 *) resp;
return (u8 *) resp;
}
