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wlantest: Allow missing RSNE in S1G beacon

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S1G beacons save a few bytes by not requiring the RSNE in beacon if RSN
BSS is configured. Handle this in wlantest by only clearing RSNE from
the BSS info if frame is a Probe Response frame.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
This commit is contained in:
Thomas Pedersen 2020-10-22 11:20:32 -07:00 committed by Jouni Malinen
parent eac2b65635
commit be96f4e8d2
4 changed files with 15 additions and 2 deletions
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5
src/common/ieee802_11_common.c
View file

@ -566,6 +566,11 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->dils = pos;
elems->dils_len = elen;
break;
case WLAN_EID_S1G_CAPABILITIES:
if (elen < 15)
break;
elems->s1g_capab = pos;
break;
case WLAN_EID_FRAGMENT:
ieee802_11_parse_fragment(&elems->frag_ies, pos, elen);
break;

1
src/common/ieee802_11_common.h
View file

@ -115,6 +115,7 @@ struct ieee802_11_elems {
const u8 *short_ssid_list;
const u8 *he_6ghz_band_cap;
const u8 *sae_pk;
const u8 *s1g_capab;
u8 ssid_len;
u8 supp_rates_len;

3
src/common/ieee802_11_defs.h
View file

@ -443,7 +443,10 @@
#define WLAN_EID_DEVICE_LOCATION 204
#define WLAN_EID_WHITE_SPACE_MAP 205
#define WLAN_EID_FTM_PARAMETERS 206
#define WLAN_EID_S1G_BCN_COMPAT 213
#define WLAN_EID_S1G_CAPABILITIES 217
#define WLAN_EID_VENDOR_SPECIFIC 221
#define WLAN_EID_S1G_OPERATION 232
#define WLAN_EID_CAG_NUMBER 237
#define WLAN_EID_AP_CSN 239
#define WLAN_EID_FILS_INDICATION 240

8
wlantest/bss.c
View file

@ -178,14 +178,18 @@ void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
elems->osen_len + 2);
}
if (elems->rsn_ie == NULL) {
/* S1G does not include RSNE in beacon, so only clear it from
* Probe Response frames. Note this assumes short beacons were dropped
* due to missing SSID above.
*/
if (!elems->rsn_ie && (!elems->s1g_capab || beacon != 1)) {
if (bss->rsnie[0]) {
add_note(wt, MSG_INFO, "BSS " MACSTR
" - RSN IE removed", MAC2STR(bss->bssid));
bss->rsnie[0] = 0;
update = 1;
}
} else {
} else if (elems->rsn_ie) {
if (bss->rsnie[0] == 0 ||
os_memcmp(bss->rsnie, elems->rsn_ie - 2,
elems->rsn_ie_len + 2) != 0) {