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wlantest: Recognize non-AP MLD based on any link address for decryption

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Compare A1 against all the link addresses of a non-AP MLD when
determining whether a Data frame is from the non-AP MLD or the AP MLD
during a decryption attempt.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Jouni Malinen 2023-08-10 11:22:47 +03:00 • committed by Jouni Malinen
parent a5a0b2cf7b
commit 7447275858
1 changed files with 16 additions and 1 deletions
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17
wlantest/rx_data.c
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@ -376,6 +376,21 @@ skip_replay_det:
} }
static bool is_sta_link_addr(struct wlantest_sta *sta, const u8 *addr)
{
unsigned int link_id;
if (os_memcmp(addr, sta->addr, ETH_ALEN) == 0)
return true;
for (link_id = 0; link_id < MAX_NUM_MLO_LINKS; link_id++) {
if (os_memcmp(sta->link_addr[link_id], addr, ETH_ALEN) == 0)
return true;
}
return false;
}
static u8 * try_ptk_decrypt(struct wlantest *wt, struct wlantest_sta *sta, static u8 * try_ptk_decrypt(struct wlantest *wt, struct wlantest_sta *sta,
const struct ieee80211_hdr *hdr, int keyid, const struct ieee80211_hdr *hdr, int keyid,
const u8 *data, size_t len, const u8 *data, size_t len,
@ -388,7 +403,7 @@ static u8 * try_ptk_decrypt(struct wlantest *wt, struct wlantest_sta *sta,
if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) && if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) &&
!is_zero_ether_addr(sta->mld_mac_addr) && !is_zero_ether_addr(sta->mld_mac_addr) &&
!is_zero_ether_addr(sta->bss->mld_mac_addr)) { !is_zero_ether_addr(sta->bss->mld_mac_addr)) {
if (os_memcmp(hdr->addr1, sta->addr, ETH_ALEN) == 0) { if (is_sta_link_addr(sta, hdr->addr1)) {
a1 = sta->mld_mac_addr; a1 = sta->mld_mac_addr;
a2 = sta->bss->mld_mac_addr; a2 = sta->bss->mld_mac_addr;
} else { } else {