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OWE: Transition mode with non-AP-MLME

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Add OWE Transition IE in build_ap_extra() ies to support drivers that do
not use hostapd MLME.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
This commit is contained in:
Ashok Ponnaiah 2018-01-16 14:33:14 +05:30 committed by Jouni Malinen
parent 92b6e0c582
commit 18e3e9c6e0
4 changed files with 71 additions and 61 deletions
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7
src/ap/ap_drv_ops.c
View File

@ -185,6 +185,13 @@ int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
}
#endif /* CONFIG_MBO */
#ifdef CONFIG_OWE
pos = hostapd_eid_owe_trans(hapd, buf, sizeof(buf));
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
#endif /* CONFIG_OWE */
add_buf(&beacon, hapd->conf->vendor_elements);
add_buf(&proberesp, hapd->conf->vendor_elements);
add_buf(&assocresp, hapd->conf->assocresp_elements);

61
src/ap/beacon.c
View File

@ -364,67 +364,6 @@ static u8 * hostapd_eid_supported_op_classes(struct hostapd_data *hapd, u8 *eid)
}
#ifdef CONFIG_OWE
static int hostapd_eid_owe_trans_enabled(struct hostapd_data *hapd)
{
return hapd->conf->owe_transition_ssid_len > 0 &&
!is_zero_ether_addr(hapd->conf->owe_transition_bssid);
}
#endif /* CONFIG_OWE */
static size_t hostapd_eid_owe_trans_len(struct hostapd_data *hapd)
{
#ifdef CONFIG_OWE
if (!hostapd_eid_owe_trans_enabled(hapd))
return 0;
return 6 + ETH_ALEN + 1 + hapd->conf->owe_transition_ssid_len;
#else /* CONFIG_OWE */
return 0;
#endif /* CONFIG_OWE */
}
static u8 * hostapd_eid_owe_trans(struct hostapd_data *hapd, u8 *eid,
size_t len)
{
#ifdef CONFIG_OWE
u8 *pos = eid;
size_t elen;
if (hapd->conf->owe_transition_ifname[0] &&
!hostapd_eid_owe_trans_enabled(hapd))
hostapd_owe_trans_get_info(hapd);
if (!hostapd_eid_owe_trans_enabled(hapd))
return pos;
elen = hostapd_eid_owe_trans_len(hapd);
if (len < elen) {
wpa_printf(MSG_DEBUG,
"OWE: Not enough room in the buffer for OWE IE");
return pos;
}
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = elen - 2;
WPA_PUT_BE24(pos, OUI_WFA);
pos += 3;
*pos++ = OWE_OUI_TYPE;
os_memcpy(pos, hapd->conf->owe_transition_bssid, ETH_ALEN);
pos += ETH_ALEN;
*pos++ = hapd->conf->owe_transition_ssid_len;
os_memcpy(pos, hapd->conf->owe_transition_ssid,
hapd->conf->owe_transition_ssid_len);
pos += hapd->conf->owe_transition_ssid_len;
return pos;
#else /* CONFIG_OWE */
return eid;
#endif /* CONFIG_OWE */
}
static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
const struct ieee80211_mgmt *req,
int is_p2p, size_t *resp_len)

3
src/ap/ieee802_11.h
View File

@ -154,4 +154,7 @@ void handle_auth_fils(struct hostapd_data *hapd, struct sta_info *sta,
struct sta_info *sta,
u16 resp, struct wpabuf *data, int pub));
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);
#endif /* IEEE802_11_H */

61
src/ap/ieee802_11_shared.c
View File

@ -608,6 +608,67 @@ u8 hostapd_mbo_ie_len(struct hostapd_data *hapd)
#endif /* CONFIG_MBO */
#ifdef CONFIG_OWE
static int hostapd_eid_owe_trans_enabled(struct hostapd_data *hapd)
{
return hapd->conf->owe_transition_ssid_len > 0 &&
!is_zero_ether_addr(hapd->conf->owe_transition_bssid);
}
#endif /* CONFIG_OWE */
size_t hostapd_eid_owe_trans_len(struct hostapd_data *hapd)
{
#ifdef CONFIG_OWE
if (!hostapd_eid_owe_trans_enabled(hapd))
return 0;
return 6 + ETH_ALEN + 1 + hapd->conf->owe_transition_ssid_len;
#else /* CONFIG_OWE */
return 0;
#endif /* CONFIG_OWE */
}
u8 * hostapd_eid_owe_trans(struct hostapd_data *hapd, u8 *eid,
size_t len)
{
#ifdef CONFIG_OWE
u8 *pos = eid;
size_t elen;
if (hapd->conf->owe_transition_ifname[0] &&
!hostapd_eid_owe_trans_enabled(hapd))
hostapd_owe_trans_get_info(hapd);
if (!hostapd_eid_owe_trans_enabled(hapd))
return pos;
elen = hostapd_eid_owe_trans_len(hapd);
if (len < elen) {
wpa_printf(MSG_DEBUG,
"OWE: Not enough room in the buffer for OWE IE");
return pos;
}
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = elen - 2;
WPA_PUT_BE24(pos, OUI_WFA);
pos += 3;
*pos++ = OWE_OUI_TYPE;
os_memcpy(pos, hapd->conf->owe_transition_bssid, ETH_ALEN);
pos += ETH_ALEN;
*pos++ = hapd->conf->owe_transition_ssid_len;
os_memcpy(pos, hapd->conf->owe_transition_ssid,
hapd->conf->owe_transition_ssid_len);
pos += hapd->conf->owe_transition_ssid_len;
return pos;
#else /* CONFIG_OWE */
return eid;
#endif /* CONFIG_OWE */
}
void ap_copy_sta_supp_op_classes(struct sta_info *sta,
const u8 *supp_op_classes,
size_t supp_op_classes_len)