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DPP2: Configurator Connectivity indication

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Add a new hostapd configuration parameter
dpp_configurator_connectivity=1 to request Configurator connectivity to
be advertised for chirping Enrollees.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-03-27 14:03:04 +02:00 committed by Jouni Malinen
parent 562f77144c
commit 6f5bc15bec
6 changed files with 45 additions and 0 deletions
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2
hostapd/config_file.c
View File

@ -4408,6 +4408,8 @@ static int hostapd_config_fill(struct hostapd_config *conf,
} else if (os_strcmp(buf, "dpp_controller") == 0) {
if (hostapd_dpp_controller_parse(bss, pos))
return 1;
} else if (os_strcmp(buf, "dpp_configurator_connectivity") == 0) {
bss->dpp_configurator_connectivity = atoi(pos);
#endif /* CONFIG_DPP2 */
#endif /* CONFIG_DPP */
#ifdef CONFIG_OWE

5
hostapd/hostapd.conf
View File

@ -2304,6 +2304,11 @@ own_ip_addr=127.0.0.1
#dpp_csign
#dpp_controller
# Configurator Connectivity indication
# 0: no Configurator is currently connected (default)
# 1: advertise that a Configurator is available
#dpp_configurator_connectivity=0
#### TDLS (IEEE 802.11z-2010) #################################################
# Prohibit use of TDLS in this BSS

1
src/ap/ap_config.h
View File

@ -740,6 +740,7 @@ struct hostapd_bss_config {
struct wpabuf *dpp_csign;
#ifdef CONFIG_DPP2
struct dpp_controller_conf *dpp_controller;
int dpp_configurator_connectivity;
#endif /* CONFIG_DPP2 */
#endif /* CONFIG_DPP */

4
src/ap/beacon.c
View File

@ -468,6 +468,7 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
buflen += hostapd_mbo_ie_len(hapd);
buflen += hostapd_eid_owe_trans_len(hapd);
buflen += hostapd_eid_dpp_cc_len(hapd);
resp = os_zalloc(buflen);
if (resp == NULL)
@ -612,6 +613,7 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
pos = hostapd_eid_mbo(hapd, pos, (u8 *) resp + buflen - pos);
pos = hostapd_eid_owe_trans(hapd, pos, (u8 *) resp + buflen - pos);
pos = hostapd_eid_dpp_cc(hapd, pos, (u8 *) resp + buflen - pos);
if (hapd->conf->vendor_elements) {
os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
@ -1164,6 +1166,7 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
tail_len += hostapd_mbo_ie_len(hapd);
tail_len += hostapd_eid_owe_trans_len(hapd);
tail_len += hostapd_eid_dpp_cc_len(hapd);
tailpos = tail = os_malloc(tail_len);
if (head == NULL || tail == NULL) {
@ -1328,6 +1331,7 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
tailpos = hostapd_eid_mbo(hapd, tailpos, tail + tail_len - tailpos);
tailpos = hostapd_eid_owe_trans(hapd, tailpos,
tail + tail_len - tailpos);
tailpos = hostapd_eid_dpp_cc(hapd, tailpos, tail + tail_len - tailpos);
if (hapd->conf->vendor_elements) {
os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),

3
src/ap/ieee802_11.h
View File

@ -183,6 +183,9 @@ void handle_auth_fils(struct hostapd_data *hapd, struct sta_info *sta,
size_t hostapd_eid_owe_trans_len(struct hostapd_data *hapd);
u8 * hostapd_eid_owe_trans(struct hostapd_data *hapd, u8 *eid, size_t len);
size_t hostapd_eid_dpp_cc_len(struct hostapd_data *hapd);
u8 * hostapd_eid_dpp_cc(struct hostapd_data *hapd, u8 *eid, size_t len);
int get_tx_parameters(struct sta_info *sta, int ap_max_chanwidth,
int ap_seg1_idx, int *bandwidth, int *seg1_idx);

30
src/ap/ieee802_11_shared.c
View File

@ -874,6 +874,36 @@ u8 * hostapd_eid_owe_trans(struct hostapd_data *hapd, u8 *eid,
}
size_t hostapd_eid_dpp_cc_len(struct hostapd_data *hapd)
{
#ifdef CONFIG_DPP2
if (hapd->conf->dpp_configurator_connectivity)
return 6;
#endif /* CONFIG_DPP2 */
return 0;
}
u8 * hostapd_eid_dpp_cc(struct hostapd_data *hapd, u8 *eid, size_t len)
{
#ifdef CONFIG_DPP2
u8 *pos = eid;
if (!hapd->conf->dpp_configurator_connectivity || len < 6)
return pos;
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 4;
WPA_PUT_BE24(pos, OUI_WFA);
pos += 3;
*pos++ = DPP_CC_OUI_TYPE;
return pos;
#endif /* CONFIG_DPP2 */
return eid;
}
void ap_copy_sta_supp_op_classes(struct sta_info *sta,
const u8 *supp_op_classes,
size_t supp_op_classes_len)