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Fix status code in SAE/DPP association PMKID mismatch (driver-AP-SME)

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wpa_validate_wpa_ie() was already extended to cover these cases with
WPA_INVALID_PMKID return value, but hostapd_notif_assoc() did not have
code for mapping this into the appropriate status code
(STATUS_INVALID_PMKID) and ended up using the default
(WLAN_STATUS_INVALID_IE) instead. This caused AP SME-in-driver cases
returning incorrect status code when the AP did not have a matching
PMKSA cache entry. This could result in unexpected station behavior
where the station could continue trying to use a PMKSA cache entry that
the AP does not have and not being able to recover this.

Fix this by adding the previously missed mapping of validation errors to
status/reason codes.

Fixes: 567da5bbd0 ("DPP: Add new AKM")
Fixes: 458d8984de ("SAE: Reject request with mismatching PMKID (no PMKSA cache entry)")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-11-09 00:33:58 +02:00 committed by Jouni Malinen
parent 9c7ab4c5df
commit 93ba13bcfd
1 changed files with 3 additions and 0 deletions
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3
src/ap/drv_callbacks.c
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@ -344,6 +344,9 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
} else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
} else if (res == WPA_INVALID_PMKID) {
reason = WLAN_REASON_INVALID_PMKID;
status = WLAN_STATUS_INVALID_PMKID;
} else {
reason = WLAN_REASON_INVALID_IE;
status = WLAN_STATUS_INVALID_IE;