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handshake: pass object to handshake_util_ap_ie_matches

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This is to prepare for supporting a vendor quirk, where we'll need
the handshake to lookup if the quirk to disable a specific check.
This commit is contained in:
James Prestwood 2025-08-27 05:54:53 -07:00 committed by Denis Kenzior
parent 6e9e0928b0
commit 54c0dbb3c8
4 changed files with 11 additions and 7 deletions
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2
src/eapol.c
View File

@ -1810,7 +1810,7 @@ static void eapol_handle_ptk_3_of_4(struct eapol_sm *sm,
if ((rsne[1] != hs->authenticator_ie[1] ||
memcmp(rsne + 2, hs->authenticator_ie + 2, rsne[1])) &&
!handshake_util_ap_ie_matches(&rsn_info,
!handshake_util_ap_ie_matches(hs, &rsn_info,
hs->authenticator_ie,
hs->wpa_ie))
goto error_ie_different;

10
src/ft.c
View File

@ -223,7 +223,8 @@ static bool ft_parse_associate_resp_frame(const uint8_t *frame, size_t frame_len
return true;
}
static bool ft_verify_rsne(const uint8_t *rsne, const uint8_t *pmk_r0_name,
static bool ft_verify_rsne(struct handshake_state *hs,
const uint8_t *rsne, const uint8_t *pmk_r0_name,
const uint8_t *authenticator_ie)
{
/*
@ -253,7 +254,7 @@ static bool ft_verify_rsne(const uint8_t *rsne, const uint8_t *pmk_r0_name,
memcmp(msg2_rsne.pmkids, pmk_r0_name, 16))
return false;
if (!handshake_util_ap_ie_matches(&msg2_rsne, authenticator_ie, false))
if (!handshake_util_ap_ie_matches(hs, &msg2_rsne, authenticator_ie, false))
return false;
return true;
@ -301,7 +302,8 @@ static int parse_ies(struct handshake_state *hs,
is_rsn = hs->supplicant_ie != NULL;
if (is_rsn) {
if (!ft_verify_rsne(rsne, hs->pmk_r0_name, authenticator_ie))
if (!ft_verify_rsne(hs, rsne, hs->pmk_r0_name,
authenticator_ie))
goto ft_error;
} else if (rsne)
goto ft_error;
@ -480,7 +482,7 @@ int __ft_rx_associate(uint32_t ifindex, const uint8_t *frame, size_t frame_len)
memcmp(msg4_rsne.pmkids, hs->pmk_r1_name, 16))
return -EBADMSG;
if (!handshake_util_ap_ie_matches(&msg4_rsne,
if (!handshake_util_ap_ie_matches(hs, &msg4_rsne,
hs->authenticator_ie,
false))
return -EBADMSG;

3
src/handshake.c
View File

@ -877,7 +877,8 @@ void handshake_state_set_igtk(struct handshake_state *s, const uint8_t *key,
* results vs the RSN/WPA IE obtained as part of the 4-way handshake. If they
* don't match, the EAPoL packet must be silently discarded.
*/
bool handshake_util_ap_ie_matches(const struct ie_rsn_info *msg_info,
bool handshake_util_ap_ie_matches(struct handshake_state *s,
const struct ie_rsn_info *msg_info,
const uint8_t *scan_ie, bool is_wpa)
{
struct ie_rsn_info scan_info;

3
src/handshake.h
View File

@ -312,7 +312,8 @@ bool handshake_state_set_pmksa(struct handshake_state *s, struct pmksa *pmksa);
void handshake_state_cache_pmksa(struct handshake_state *s);
bool handshake_state_remove_pmksa(struct handshake_state *s);
bool handshake_util_ap_ie_matches(const struct ie_rsn_info *msg_info,
bool handshake_util_ap_ie_matches(struct handshake_state *s,
const struct ie_rsn_info *msg_info,
const uint8_t *scan_ie, bool is_wpa);
const uint8_t *handshake_util_find_kde(enum handshake_kde selector,