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SAE H2E: Do not use sae_h2e param in AP mode if SAE is disabled

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Previously, nonzero sae_h2e parameter values were used to perform SAE
H2E specific operations (deriving PT, adding RSNXE, adding H2E-only BSS
membership selector) in AP mode even if SAE was not enabled for the
network. This could result in unexpected behavior if sae_pwe=1 or
sae_pwe=2 were set in the configuration. Fix this by making the SAE
operations conditional on SAE being actually enabled.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-11-29 00:07:57 +02:00 • committed by Jouni Malinen
parent ee27567198
commit 9f50538e13
3 changed files with 11 additions and 5 deletions
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2
src/ap/ap_config.c
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@ -441,7 +441,7 @@ int hostapd_setup_sae_pt(struct hostapd_bss_config *conf)
struct hostapd_ssid *ssid = &conf->ssid;
struct sae_password_entry *pw;
if (conf->sae_pwe == 0)
if (conf->sae_pwe == 0 || !wpa_key_mgmt_sae(conf->wpa_key_mgmt))
return 0; /* PT not needed */
sae_deinit_pt(ssid->pt);