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FT: Explicitly check for MDE not present in non-FT association 

IEEE Std 802.11-2012, 12.4.2 states that if an MDE is present in an
(Re)Association Request frame but the RSNE uses a non-FT AKM suite, the
AP shall reject the association using status code 43 ("Invalid AKMP").

wpa_validate_wpa_ie() now explicitly checks for this condition to meet
this requirement instead of simply ignoring the MDE based on non-FT AKM.

Signed-off-by: Will Glynn <will@willglynn.com>
This commit is contained in:
Will Glynn 2016-11-26 02:39:12 +00:00 committed by Jouni Malinen
parent bacbb62294
commit 209dad066e
1 changed files with 4 additions and 0 deletions
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4
src/ap/wpa_auth_ie.c
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@ -716,6 +716,10 @@ int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
"MDIE", mdie, MOBILITY_DOMAIN_ID_LEN);
return WPA_INVALID_MDIE;
}
} else if (mdie != NULL) {
wpa_printf(MSG_DEBUG,
"RSN: Trying to use non-FT AKM suite, but MDIE included");
return WPA_INVALID_AKMP;
}
#endif /* CONFIG_IEEE80211R_AP */