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eapol: Relax message 2 / 4 key_length check

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Seems certain Apple implementations set the key length to 16, even
though it should be 0.
This commit is contained in:
Denis Kenzior 2019-02-07 09:54:51 -06:00
parent bc9e70f9cd
commit bd7f8bf613
1 changed files with 2 additions and 4 deletions
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6
src/eapol.c
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@ -430,8 +430,7 @@ bool eapol_verify_ptk_2_of_4(const struct eapol_key *ek)
return false;
key_len = L_BE16_TO_CPU(ek->key_length);
if (key_len != 0)
return false;
L_WARN_ON(key_len != 0);
VERIFY_IS_ZERO(ek->eapol_key_iv);
VERIFY_IS_ZERO(ek->key_rsc);
@ -510,8 +509,7 @@ bool eapol_verify_ptk_4_of_4(const struct eapol_key *ek, bool is_wpa)
return false;
key_len = L_BE16_TO_CPU(ek->key_length);
if (key_len != 0)
return false;
L_WARN_ON(key_len != 0);
VERIFY_IS_ZERO(ek->key_nonce);
VERIFY_IS_ZERO(ek->eapol_key_iv);