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SAE: Advertise Password Identifier use

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Support the new Extended Capabilities field bits 81 and 82 to indicate
whether SAe Password Identifiers are in use.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-01-24 00:00:28 +02:00 • committed by Jouni Malinen
parent 59c6930641
commit 42d308635f
3 changed files with 45 additions and 0 deletions
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21
src/ap/ieee802_11_shared.c
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@ -372,6 +372,21 @@ static void hostapd_ext_capab_byte(struct hostapd_data *hapd, u8 *pos, int idx)
*pos |= 0x01;
#endif /* CONFIG_FILS */
break;
case 10: /* Bits 80-87 */
#ifdef CONFIG_SAE
if (hapd->conf->wpa &&
wpa_key_mgmt_sae(hapd->conf->wpa_key_mgmt)) {
int in_use = hostapd_sae_pw_id_in_use(hapd->conf);
if (in_use)
*pos |= 0x02; /* Bit 81 - SAE Password
* Identifiers In Use */
if (in_use == 2)
*pos |= 0x04; /* Bit 82 - SAE Password
* Identifiers Used Exclusively */
}
#endif /* CONFIG_SAE */
break;
}
}
@ -411,6 +426,12 @@ u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid)
!wpa_key_mgmt_fils(hapd->conf->wpa_key_mgmt)) && len < 10)
len = 10;
#endif /* CONFIG_FILS */
#ifdef CONFIG_SAE
if (len < 11 && hapd->conf->wpa &&
wpa_key_mgmt_sae(hapd->conf->wpa_key_mgmt) &&
hostapd_sae_pw_id_in_use(hapd->conf))
len = 11;
#endif /* CONFIG_SAE */
if (len < hapd->iface->extended_capa_len)
len = hapd->iface->extended_capa_len;
if (len == 0)