static void anqp_add_venue_name(struct hostapd_data *hapd, struct wpabuf *buf,
struct gas_dialog_info *di)
{
if (hapd->conf->hs20_venue_name) {
wpabuf_put_le16(buf, ANQP_VENUE_NAME);
wpabuf_put_le16(buf, hapd->conf->hs20_venue_name_len);
wpabuf_put_data(buf, hapd->conf->hs20_venue_name,
hapd->conf->hs20_venue_name_len);
} else if (hapd->conf->venue_name) {
u8 *len;
unsigned int i;
len = gas_anqp_add_element(buf, ANQP_VENUE_NAME);
wpabuf_put_u8(buf, hapd->conf->venue_group);
wpabuf_put_u8(buf, hapd->conf->venue_type);
for (i = 0; i < hapd->conf->venue_name_count; i++) {
struct hostapd_venue_name *vn;
vn = &hapd->conf->venue_name[i];
wpabuf_put_u8(buf, 3 + vn->name_len);
wpabuf_put_data(buf, vn->lang, 3);
wpabuf_put_data(buf, vn->name, vn->name_len);
}
gas_anqp_set_element_len(buf, len);
} else if (di) {
wpabuf_put_data(buf, di->venue_name, di->venue_name_len);
}
}
static struct wpabuf * p2p_build_gas_comeback_resp(u8 dialog_token,
u16 status_code,
u16 update_indic,
const u8 *data, size_t len,
u8 frag_id, u8 more,
u16 total_len)
{
struct wpabuf *buf;
buf = gas_anqp_build_comeback_resp(dialog_token, status_code, frag_id,
more, 0, 100 + len);
if (buf == NULL)
return NULL;
if (frag_id == 0) {
/* ANQP Query Response Frame */
wpabuf_put_le16(buf, ANQP_VENDOR_SPECIFIC); /* Info ID */
wpabuf_put_le16(buf, 3 + 1 + 2 + total_len);
wpabuf_put_be32(buf, P2P_IE_VENDOR_TYPE);
/* Service Update Indicator */
wpabuf_put_le16(buf, update_indic);
}
wpabuf_put_data(buf, data, len);
gas_anqp_set_len(buf);
return buf;
}
static void anqp_add_domain_name(struct hostapd_data *hapd, struct wpabuf *buf)
{
if (hapd->conf->domain_name) {
wpabuf_put_le16(buf, ANQP_DOMAIN_NAME);
wpabuf_put_le16(buf, hapd->conf->domain_name_len);
wpabuf_put_data(buf, hapd->conf->domain_name,
hapd->conf->domain_name_len);
}
}
static void anqp_add_nai_realm(struct hostapd_data *hapd, struct wpabuf *buf,
struct gas_dialog_info *di,
struct anqp_query_info *qi, int nai_realm,
int nai_home_realm)
{
/* dynamically set nai_realm_list overrides static configuration */
if (nai_realm && hapd->conf->hs20_nai_realm_list) {
wpabuf_put_le16(buf, ANQP_NAI_REALM);
wpabuf_put_le16(buf, hapd->conf->hs20_nai_realm_list_len);
wpabuf_put_data(buf, hapd->conf->hs20_nai_realm_list,
hapd->conf->hs20_nai_realm_list_len);
} else if (nai_realm && hapd->conf->nai_realm_data) {
u8 *len;
unsigned int i, j;
len = gas_anqp_add_element(buf, ANQP_NAI_REALM);
wpabuf_put_le16(buf, hapd->conf->nai_realm_count);
for (i = 0; i < hapd->conf->nai_realm_count; i++) {
u8 *realm_data_len, *realm_len;
struct hostapd_nai_realm_data *realm;
realm = &hapd->conf->nai_realm_data[i];
realm_data_len = wpabuf_put(buf, 2);
wpabuf_put_u8(buf, realm->encoding);
realm_len = wpabuf_put(buf, 1);
for (j = 0; realm->realm[j]; j++) {
if (j > 0)
wpabuf_put_u8(buf, ';');
wpabuf_put_str(buf, realm->realm[j]);
}
*realm_len = (u8 *) wpabuf_put(buf, 0) - realm_len - 1;
if (realm->num_auths) {
wpabuf_put_u8(buf, 1); /* EAP method count */
wpabuf_put_u8(buf, 2 + (3 * realm->num_auths));
wpabuf_put_u8(buf, realm->eap_method);
wpabuf_put_u8(buf, realm->num_auths);
for (j = 0; j < realm->num_auths; j++) {
wpabuf_put_u8(buf, realm->auth_id[j]);
wpabuf_put_u8(buf, 1);
wpabuf_put_u8(buf, realm->auth_val[j]);
}
} else {
wpabuf_put_u8(buf, 0); /* EAP method count */
}
gas_anqp_set_element_len(buf, realm_data_len);
}
gas_anqp_set_element_len(buf, len);
} else if (nai_home_realm && hapd->conf->nai_realm_data) {
process_hs_nai_home_realm(hapd, buf, qi);
} else if (di) {
if (nai_realm)
wpabuf_put_data(buf, di->nai_realm,
di->nai_realm_len);
if (nai_home_realm)
wpabuf_put_data(buf, di->nai_home_realm,
di->nai_home_realm_len);
}
}
static void anqp_add_ip_addr_type_availability(struct hostapd_data *hapd,
struct wpabuf *buf)
{
if (hapd->conf->ipaddr_type_configured) {
wpabuf_put_le16(buf, ANQP_IP_ADDR_TYPE_AVAILABILITY);
wpabuf_put_le16(buf, 1);
wpabuf_put_u8(buf, hapd->conf->ipaddr_type_availability);
}
}
static void anqp_add_network_auth_type(struct hostapd_data *hapd,
struct wpabuf *buf)
{
if (hapd->conf->network_auth_type) {
wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE);
wpabuf_put_le16(buf, hapd->conf->network_auth_type_len);
wpabuf_put_data(buf, hapd->conf->network_auth_type,
hapd->conf->network_auth_type_len);
}
}
static void anqp_add_3gpp_cellular_network(struct hostapd_data *hapd,
struct wpabuf *buf)
{
if (hapd->conf->anqp_3gpp_cell_net) {
wpabuf_put_le16(buf, ANQP_3GPP_CELLULAR_NETWORK);
wpabuf_put_le16(buf,
hapd->conf->anqp_3gpp_cell_net_len);
wpabuf_put_data(buf, hapd->conf->anqp_3gpp_cell_net,
hapd->conf->anqp_3gpp_cell_net_len);
}
}
void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
u16 interval)
{
/* Extended Listen Timing */
wpabuf_put_u8(buf, P2P_ATTR_EXT_LISTEN_TIMING);
wpabuf_put_le16(buf, 4);
wpabuf_put_le16(buf, period);
wpabuf_put_le16(buf, interval);
wpa_printf(MSG_DEBUG, "P2P: * Extended Listen Timing (period %u msec "
"interval %u msec)", period, interval);
}
static void anqp_add_icon_binary_file(struct hostapd_data *hapd,
struct wpabuf *buf,
const u8 *name, size_t name_len)
{
struct hs20_icon *icon;
size_t i;
u8 *len;
wpa_hexdump_ascii(MSG_DEBUG, "HS 2.0: Requested Icon Filename",
name, name_len);
for (i = 0; i < hapd->conf->hs20_icons_count; i++) {
icon = &hapd->conf->hs20_icons[i];
if (name_len == os_strlen(icon->name) &&
os_memcmp(name, icon->name, name_len) == 0)
break;
}
if (i < hapd->conf->hs20_icons_count)
icon = &hapd->conf->hs20_icons[i];
else
icon = NULL;
len = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC);
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, HS20_ANQP_OUI_TYPE);
wpabuf_put_u8(buf, HS20_STYPE_ICON_BINARY_FILE);
wpabuf_put_u8(buf, 0); /* Reserved */
if (icon) {
char *data;
size_t data_len;
data = os_readfile(icon->file, &data_len);
if (data == NULL || data_len > 65535) {
wpabuf_put_u8(buf, 2); /* Download Status:
* Unspecified file error */
wpabuf_put_u8(buf, 0);
wpabuf_put_le16(buf, 0);
} else {
wpabuf_put_u8(buf, 0); /* Download Status: Success */
wpabuf_put_u8(buf, os_strlen(icon->type));
wpabuf_put_str(buf, icon->type);
wpabuf_put_le16(buf, data_len);
wpabuf_put_data(buf, data, data_len);
}
os_free(data);
} else {
wpabuf_put_u8(buf, 1); /* Download Status: File not found */
wpabuf_put_u8(buf, 0);
wpabuf_put_le16(buf, 0);
}
gas_anqp_set_element_len(buf, len);
}
static void anqp_add_ip_addr_type_availability(struct hostapd_data *hapd,
struct wpabuf *buf,
struct gas_dialog_info *di)
{
if (hapd->conf->hs20_ipaddr_type_configured) {
wpabuf_put_le16(buf, ANQP_IP_ADDR_TYPE_AVAILABILITY);
wpabuf_put_le16(buf, 1);
wpabuf_put_u8(buf, hapd->conf->hs20_ipaddr_type_availability);
} else if (di) {
wpabuf_put_data(buf, di->ipaddr_type, di->ipaddr_type_len);
}
}
static void anqp_add_domain_name(struct hostapd_data *hapd, struct wpabuf *buf,
struct gas_dialog_info *di)
{
if (hapd->conf->hs20_domain_name_list_value) {
wpabuf_put_le16(buf, ANQP_DOMAIN_NAME);
wpabuf_put_le16(buf,
hapd->conf->hs20_domain_name_list_len);
wpabuf_put_data(buf, hapd->conf->hs20_domain_name_list_value,
hapd->conf->hs20_domain_name_list_len);
} else if (di) {
wpabuf_put_data(buf, di->domain_name, di->domain_name_len);
}
}
static void anqp_add_network_auth_type(struct hostapd_data *hapd,
struct wpabuf *buf,
struct gas_dialog_info *di)
{
if (hapd->conf->hs20_network_auth_type) {
wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE);
wpabuf_put_le16(buf, hapd->conf->hs20_network_auth_type_len);
wpabuf_put_data(buf, hapd->conf->hs20_network_auth_type,
hapd->conf->hs20_network_auth_type_len);
} else if (di) {
wpabuf_put_data(buf, di->net_auth_type, di->net_auth_type_len);
}
}
static void anqp_add_capab_list(struct hostapd_data *hapd,
struct wpabuf *buf)
{
u8 *len;
len = gas_anqp_add_element(buf, ANQP_CAPABILITY_LIST);
wpabuf_put_le16(buf, ANQP_CAPABILITY_LIST);
if (hapd->conf->venue_name)
wpabuf_put_le16(buf, ANQP_VENUE_NAME);
if (hapd->conf->network_auth_type)
wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE);
if (hapd->conf->roaming_consortium)
wpabuf_put_le16(buf, ANQP_ROAMING_CONSORTIUM);
if (hapd->conf->ipaddr_type_configured)
wpabuf_put_le16(buf, ANQP_IP_ADDR_TYPE_AVAILABILITY);
if (hapd->conf->nai_realm_data)
wpabuf_put_le16(buf, ANQP_NAI_REALM);
if (hapd->conf->anqp_3gpp_cell_net)
wpabuf_put_le16(buf, ANQP_3GPP_CELLULAR_NETWORK);
if (hapd->conf->domain_name)
wpabuf_put_le16(buf, ANQP_DOMAIN_NAME);
#ifdef CONFIG_HS20
anqp_add_hs_capab_list(hapd, buf);
#endif /* CONFIG_HS20 */
gas_anqp_set_element_len(buf, len);
}
static void anqp_add_3gpp_cellular_network(struct hostapd_data *hapd,
struct wpabuf *buf,
struct gas_dialog_info *di)
{
if (hapd->conf->hs20_3gpp_cellular_network) {
wpabuf_put_le16(buf, ANQP_3GPP_CELLULAR_NETWORK);
wpabuf_put_le16(buf,
hapd->conf->hs20_3gpp_cellular_network_len);
wpabuf_put_data(buf, hapd->conf->hs20_3gpp_cellular_network,
hapd->conf->hs20_3gpp_cellular_network_len);
} else if (di) {
wpabuf_put_data(buf, di->cell_net, di->cell_net_len);
}
}
static void anqp_add_capab_list(struct hostapd_data *hapd,
struct wpabuf *buf)
{
u8 *len;
len = gas_anqp_add_element(buf, ANQP_CAPABILITY_LIST);
wpabuf_put_le16(buf, ANQP_CAPABILITY_LIST);
if (hapd->conf->venue_name || hapd->conf->hs20_venue_name ||
(hapd->anqp_type_mask & ANQP_REQ_VENUE_NAME))
wpabuf_put_le16(buf, ANQP_VENUE_NAME);
if (hapd->conf->hs20_network_auth_type ||
(hapd->anqp_type_mask & ANQP_REQ_NETWORK_AUTH_TYPE))
wpabuf_put_le16(buf, ANQP_NETWORK_AUTH_TYPE);
if (hapd->conf->roaming_consortium ||
(hapd->anqp_type_mask & ANQP_REQ_ROAMING_CONSORTIUM))
wpabuf_put_le16(buf, ANQP_ROAMING_CONSORTIUM);
if (hapd->conf->hs20_ipaddr_type_configured ||
(hapd->anqp_type_mask & ANQP_REQ_IP_ADDR_TYPE_AVAILABILITY))
wpabuf_put_le16(buf, ANQP_IP_ADDR_TYPE_AVAILABILITY);
if (hapd->conf->hs20_nai_realm_list ||
hapd->conf->nai_realm_data ||
(hapd->anqp_type_mask & ANQP_REQ_NAI_REALM))
wpabuf_put_le16(buf, ANQP_NAI_REALM);
if (hapd->conf->hs20_3gpp_cellular_network ||
(hapd->anqp_type_mask & ANQP_REQ_3GPP_CELLULAR_NETWORK))
wpabuf_put_le16(buf, ANQP_3GPP_CELLULAR_NETWORK);
if (hapd->conf->hs20_domain_name_list_value ||
(hapd->anqp_type_mask & ANQP_REQ_DOMAIN_NAME))
wpabuf_put_le16(buf, ANQP_DOMAIN_NAME);
anqp_add_hs_capab_list(hapd, buf);
gas_anqp_set_element_len(buf, len);
}
static struct wpabuf * sme_auth_build_sae_confirm(struct wpa_supplicant *wpa_s)
{
struct wpabuf *buf;
buf = wpabuf_alloc(4 + SAE_CONFIRM_MAX_LEN);
if (buf == NULL)
return NULL;
wpabuf_put_le16(buf, 2); /* Transaction seq# */
wpabuf_put_le16(buf, WLAN_STATUS_SUCCESS);
sae_write_confirm(&wpa_s->sme.sae, buf);
return buf;
}
static void anqp_add_nai_realm(struct hostapd_data *hapd, struct wpabuf *buf,
const u8 *home_realm, size_t home_realm_len,
int nai_realm, int nai_home_realm)
{
if (nai_realm && hapd->conf->nai_realm_data) {
u8 *len;
unsigned int i, j;
len = gas_anqp_add_element(buf, ANQP_NAI_REALM);
wpabuf_put_le16(buf, hapd->conf->nai_realm_count);
for (i = 0; i < hapd->conf->nai_realm_count; i++) {
u8 *realm_data_len, *realm_len;
struct hostapd_nai_realm_data *realm;
realm = &hapd->conf->nai_realm_data[i];
realm_data_len = wpabuf_put(buf, 2);
wpabuf_put_u8(buf, realm->encoding);
realm_len = wpabuf_put(buf, 1);
for (j = 0; realm->realm[j]; j++) {
if (j > 0)
wpabuf_put_u8(buf, ';');
wpabuf_put_str(buf, realm->realm[j]);
}
*realm_len = (u8 *) wpabuf_put(buf, 0) - realm_len - 1;
anqp_add_nai_realm_eap(buf, realm);
gas_anqp_set_element_len(buf, realm_data_len);
}
gas_anqp_set_element_len(buf, len);
} else if (nai_home_realm && hapd->conf->nai_realm_data) {
hs20_add_nai_home_realm_matches(hapd, buf, home_realm,
home_realm_len);
}
}
static struct wpabuf * p2p_group_build_probe_resp_ie(struct p2p_group *group)
{
u8 *group_info;
struct wpabuf *ie;
struct p2p_group_member *m;
u8 *len;
ie = wpabuf_alloc(257);
if (ie == NULL)
return NULL;
len = p2p_buf_add_ie_hdr(ie);
p2p_group_add_common_ies(group, ie);
p2p_group_add_noa(ie, group->noa);
/* P2P Device Info */
p2p_buf_add_device_info(ie, group->p2p, NULL);
/* P2P Group Info */
group_info = wpabuf_put(ie, 0);
wpabuf_put_u8(ie, P2P_ATTR_GROUP_INFO);
wpabuf_put_le16(ie, 0); /* Length to be filled */
for (m = group->members; m; m = m->next)
p2p_client_info(ie, m);
WPA_PUT_LE16(group_info + 1,
(u8 *) wpabuf_put(ie, 0) - group_info - 3);
p2p_buf_update_ie_hdr(ie, len);
return ie;
}
static struct wpabuf * p2p_build_sd_response(u8 dialog_token, u16 status_code,
u16 comeback_delay,
u16 update_indic,
const struct wpabuf *tlvs)
{
struct wpabuf *buf;
u8 *len_pos;
buf = gas_anqp_build_initial_resp(dialog_token, status_code,
comeback_delay,
100 + (tlvs ? wpabuf_len(tlvs) : 0));
if (buf == NULL)
return NULL;
if (tlvs) {
/* ANQP Query Response Frame */
len_pos = gas_anqp_add_element(buf, ANQP_VENDOR_SPECIFIC);
wpabuf_put_be32(buf, P2P_IE_VENDOR_TYPE);
/* Service Update Indicator */
wpabuf_put_le16(buf, update_indic);
wpabuf_put_buf(buf, tlvs);
gas_anqp_set_element_len(buf, len_pos);
}
gas_anqp_set_len(buf);
return buf;
}
void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags)
{
/* Invitation Flags */
wpabuf_put_u8(buf, P2P_ATTR_INVITATION_FLAGS);
wpabuf_put_le16(buf, 1);
wpabuf_put_u8(buf, flags);
wpa_printf(MSG_DEBUG, "P2P: * Invitation Flags: bitmap 0x%x", flags);
}
void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr)
{
/* P2P Device ID */
wpabuf_put_u8(buf, P2P_ATTR_DEVICE_ID);
wpabuf_put_le16(buf, ETH_ALEN);
wpabuf_put_data(buf, dev_addr, ETH_ALEN);
wpa_printf(MSG_DEBUG, "P2P: * Device ID: " MACSTR, MAC2STR(dev_addr));
}
void p2p_buf_add_status(struct wpabuf *buf, u8 status)
{
/* Status */
wpabuf_put_u8(buf, P2P_ATTR_STATUS);
wpabuf_put_le16(buf, 1);
wpabuf_put_u8(buf, status);
wpa_printf(MSG_DEBUG, "P2P: * Status: %d", status);
}
static struct wpabuf * p2p_build_gas_comeback_resp(u8 dialog_token,
u16 status_code,
u16 update_indic,
const u8 *data, size_t len,
u8 frag_id, u8 more,
u16 total_len)
{
struct wpabuf *buf;
u8 *len_pos;
buf = wpabuf_alloc(1000 + len);
if (buf == NULL)
return NULL;
wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
wpabuf_put_u8(buf, WLAN_PA_GAS_COMEBACK_RESP);
wpabuf_put_u8(buf, dialog_token);
wpabuf_put_le16(buf, status_code);
wpabuf_put_u8(buf, frag_id | (more ? 0x80 : 0));
wpabuf_put_le16(buf, 0); /* Comeback Delay */
/* Advertisement Protocol IE */
wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
wpabuf_put_u8(buf, 2); /* Length */
wpabuf_put_u8(buf, 0x7f); /* QueryRespLenLimit | PAME-BI */
wpabuf_put_u8(buf, NATIVE_QUERY_PROTOCOL); /* Advertisement Protocol */
/* Query Response */
len_pos = wpabuf_put(buf, 2); /* Length (to be filled) */
if (frag_id == 0) {
/* NQP Query Response Frame */
wpabuf_put_le16(buf, NQP_VENDOR_SPECIFIC); /* Info ID */
wpabuf_put_le16(buf, 3 + 1 + 2 + total_len);
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, P2P_OUI_TYPE);
/* Service Update Indicator */
wpabuf_put_le16(buf, update_indic);
}
wpabuf_put_data(buf, data, len);
WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(buf, 0) - len_pos - 2);
return buf;
}
static struct wpabuf * p2p_build_sd_response(u8 dialog_token, u16 status_code,
u16 comeback_delay,
u16 update_indic,
const struct wpabuf *tlvs)
{
struct wpabuf *buf;
u8 *len_pos, *len_pos2;
buf = wpabuf_alloc(1000 + (tlvs ? wpabuf_len(tlvs) : 0));
if (buf == NULL)
return NULL;
wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
wpabuf_put_u8(buf, WLAN_PA_GAS_INITIAL_RESP);
wpabuf_put_u8(buf, dialog_token);
wpabuf_put_le16(buf, status_code);
wpabuf_put_le16(buf, comeback_delay);
/* Advertisement Protocol IE */
wpabuf_put_u8(buf, WLAN_EID_ADV_PROTO);
wpabuf_put_u8(buf, 2); /* Length */
wpabuf_put_u8(buf, 0x7f); /* QueryRespLenLimit | PAME-BI */
wpabuf_put_u8(buf, NATIVE_QUERY_PROTOCOL); /* Advertisement Protocol */
/* Query Response */
len_pos = wpabuf_put(buf, 2); /* Length (to be filled) */
if (tlvs) {
/* NQP Query Response Frame */
wpabuf_put_le16(buf, NQP_VENDOR_SPECIFIC); /* Info ID */
len_pos2 = wpabuf_put(buf, 2); /* Length (to be filled) */
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, P2P_OUI_TYPE);
/* Service Update Indicator */
wpabuf_put_le16(buf, update_indic);
wpabuf_put_buf(buf, tlvs);
WPA_PUT_LE16(len_pos2,
(u8 *) wpabuf_put(buf, 0) - len_pos2 - 2);
}
WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(buf, 0) - len_pos - 2);
return buf;
}
void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent)
{
/* Group Owner Intent */
wpabuf_put_u8(buf, P2P_ATTR_GROUP_OWNER_INTENT);
wpabuf_put_le16(buf, 1);
wpabuf_put_u8(buf, go_intent);
wpa_printf(MSG_DEBUG, "P2P: * GO Intent: Intent %u Tie breaker %u",
go_intent >> 1, go_intent & 0x01);
}
void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid)
{
/* P2P Group BSSID */
wpabuf_put_u8(buf, P2P_ATTR_GROUP_BSSID);
wpabuf_put_le16(buf, ETH_ALEN);
wpabuf_put_data(buf, bssid, ETH_ALEN);
wpa_printf(MSG_DEBUG, "P2P: * P2P Group BSSID " MACSTR,
MAC2STR(bssid));
}
void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr)
{
/* Intended P2P Interface Address */
wpabuf_put_u8(buf, P2P_ATTR_INTENDED_INTERFACE_ADDR);
wpabuf_put_le16(buf, ETH_ALEN);
wpabuf_put_data(buf, interface_addr, ETH_ALEN);
wpa_printf(MSG_DEBUG, "P2P: * Intended P2P Interface Address " MACSTR,
MAC2STR(interface_addr));
}
static void p2p_group_add_noa(struct wpabuf *ie, struct wpabuf *noa)
{
if (noa == NULL)
return;
/* Notice of Absence */
wpabuf_put_u8(ie, P2P_ATTR_NOTICE_OF_ABSENCE);
wpabuf_put_le16(ie, wpabuf_len(noa));
wpabuf_put_buf(ie, noa);
}
void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap)
{
/* Connection Capability Info */
wpabuf_put_u8(buf, P2P_ATTR_CONNECTION_CAPABILITY);
wpabuf_put_le16(buf, 1);
wpabuf_put_u8(buf, connection_cap);
wpa_printf(MSG_DEBUG, "P2P: * Connection Capability: 0x%x",
connection_cap);
}
static void anqp_add_elem(struct hostapd_data *hapd, struct wpabuf *buf,
u16 infoid)
{
struct anqp_element *elem;
elem = get_anqp_elem(hapd, infoid);
if (!elem)
return;
if (wpabuf_tailroom(buf) < 2 + 2 + wpabuf_len(elem->payload)) {
wpa_printf(MSG_DEBUG, "ANQP: No room for InfoID %u payload",
infoid);
return;
}
wpabuf_put_le16(buf, infoid);
wpabuf_put_le16(buf, wpabuf_len(elem->payload));
wpabuf_put_buf(buf, elem->payload);
}
