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DPP2: Add DPP KDE into EAPOL-Key msg 3/4 when using DPP AKM

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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-05-01 19:51:34 +03:00 committed by Jouni Malinen
parent f114156804
commit b11a12401a
2 changed files with 26 additions and 0 deletions
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21
src/ap/wpa_auth.c
View file

@ -3397,6 +3397,11 @@ SM_STATE(WPA_PTK, PTKINITNEGOTIATING)
if (conf->transition_disable)
kde_len += 2 + RSN_SELECTOR_LEN + 1;
#ifdef CONFIG_DPP2
if (sm->wpa_key_mgmt == WPA_KEY_MGMT_DPP)
kde_len += 2 + RSN_SELECTOR_LEN + 2;
#endif /* CONFIG_DPP2 */
kde = os_malloc(kde_len);
if (!kde)
goto done;
@ -3492,6 +3497,22 @@ SM_STATE(WPA_PTK, PTKINITNEGOTIATING)
pos = wpa_add_kde(pos, WFA_KEY_DATA_TRANSITION_DISABLE,
&conf->transition_disable, 1, NULL, 0);
#ifdef CONFIG_DPP2
if (sm->wpa_key_mgmt == WPA_KEY_MGMT_DPP) {
u8 payload[2];
payload[0] = 2; /* Protocol Version */
payload[1] = 0; /* Flags */
if (conf->dpp_pfs == 0)
payload[1] |= DPP_KDE_PFS_ALLOWED;
else if (conf->dpp_pfs == 1)
payload[1] |= DPP_KDE_PFS_ALLOWED |
DPP_KDE_PFS_REQUIRED;
pos = wpa_add_kde(pos, WFA_KEY_DATA_DPP,
payload, sizeof(payload), NULL, 0);
}
#endif /* CONFIG_DPP2 */
wpa_send_eapol(sm->wpa_auth, sm,
(secure ? WPA_KEY_INFO_SECURE : 0) |
(wpa_mic_len(sm->wpa_key_mgmt, sm->pmk_len) ?

5
src/common/wpa_common.h
View file

@ -124,6 +124,7 @@ WPA_CIPHER_BIP_CMAC_256)
#define WFA_KEY_DATA_IP_ADDR_REQ RSN_SELECTOR(0x50, 0x6f, 0x9a, 4)
#define WFA_KEY_DATA_IP_ADDR_ALLOC RSN_SELECTOR(0x50, 0x6f, 0x9a, 5)
#define WFA_KEY_DATA_TRANSITION_DISABLE RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x20)
#define WFA_KEY_DATA_DPP RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x21)
#define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1)
@ -362,6 +363,10 @@ struct rsn_rdie {
#define TRANSITION_DISABLE_WPA3_ENTERPRISE BIT(2)
#define TRANSITION_DISABLE_ENHANCED_OPEN BIT(3)
/* DPP KDE Flags */
#define DPP_KDE_PFS_ALLOWED BIT(0)
#define DPP_KDE_PFS_REQUIRED BIT(1)
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */