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eapol: Add sanity checking of the install bit

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This commit is contained in:
Denis Kenzior 2015-05-05 21:50:35 -05:00
parent 30c277f8d6
commit bb17f5df94
1 changed files with 15 additions and 0 deletions
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15
src/eapol.c
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@ -312,6 +312,15 @@ bool eapol_verify_ptk_3_of_4(const struct eapol_key *ek, bool is_wpa)
/* Verify according to 802.11, Section 11.6.6.4 */
VERIFY_PTK_COMMON(ek);
/*
* TODO: Handle cases where install might be 0:
* For PTK generation, 0 only if the AP does not support key mapping
* keys, or if the STA has the No Pairwise bit (in the RSN Capabilities
* field) equal to 1 and only the group key is used.
*/
if (!ek->install)
return false;
if (!ek->key_ack)
return false;
@ -346,6 +355,9 @@ bool eapol_verify_ptk_4_of_4(const struct eapol_key *ek, bool is_wpa)
/* Verify according to 802.11, Section 11.6.6.5 */
VERIFY_PTK_COMMON(ek);
if (ek->install)
return false;
if (ek->key_ack)
return false;
@ -383,6 +395,9 @@ bool eapol_verify_gtk_1_of_2(const struct eapol_key *ek, bool is_wpa)
if (ek->error)
return false;
if (ek->install)
return false;
if (!ek->key_ack)
return false;