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eapol: update eapol_key_handle to work with FILS rekeys

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Since FILS does not use a MIC, the 1/4 handler would always get called
for FILS PTK rekeys. We can use the fact that message 1/4 has no MIC as
well as no encrypted data to determine which packet it is. Both no MIC
and no encrypted data means its message 1/4. Anything else is 3/4.
This commit is contained in:
James Prestwood 2019-04-25 12:52:52 -07:00 committed by Denis Kenzior
parent a70ef82432
commit 2fd755c285
1 changed files with 1 additions and 1 deletions
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src/eapol.c
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@ -1956,7 +1956,7 @@ static void eapol_key_handle(struct eapol_sm *sm,
} }
/* If no MIC, then assume packet 1, otherwise packet 3 */ /* If no MIC, then assume packet 1, otherwise packet 3 */
if (!ek->key_mic) if (!ek->key_mic && !ek->encrypted_key_data)
eapol_handle_ptk_1_of_4(sm, ek); eapol_handle_ptk_1_of_4(sm, ek);
else { else {
if (!key_data_len) if (!key_data_len)