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eapol: don't enforce PMKID on 1/4 if require_handshake is false

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FT/FILS handle their own PMK derivation but rekeys still require
using the 4-way handshake. There is some ambiguity in the spec whether
or not the PMKID needs to be included in message 1/4 and it appears
that when rekeying after FT/FILS hostapd does not include a PMKID.
This commit is contained in:
James Prestwood 2021-09-28 15:25:52 -07:00 committed by Denis Kenzior
parent 0f3b2ae180
commit 183a7a18a9
1 changed files with 2 additions and 1 deletions
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3
src/eapol.c
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@ -1147,7 +1147,8 @@ static void eapol_handle_ptk_1_of_4(struct eapol_sm *sm,
* send no PMKID KDE.
*/
if (!sm->eap_exchanged && !sm->handshake->wpa_ie &&
rsn_info.num_pmkids) {
rsn_info.num_pmkids &&
sm->require_handshake) {
bool found = false;
int i;