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FT: Testing override for RSNXE Used subfield in FTE

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Allow wpa_supplicant to be requested to override the RSNXE Used subfield
in FT reassociation case for testing purposes with "SET ft_rsnxe_used
<0/1/2>" where 0 = no override, 1 = override to 1, and 2 = override to
0.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-04-14 13:48:43 +03:00 committed by Jouni Malinen
parent 5344af7d22
commit b2d8dc59f4
7 changed files with 22 additions and 0 deletions
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5
src/rsn_supp/wpa.c
View file

@ -3252,6 +3252,11 @@ int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
case WPA_PARAM_USE_EXT_KEY_ID:
sm->use_ext_key_id = value;
break;
#ifdef CONFIG_TESTING_OPTIONS
case WPA_PARAM_FT_RSNXE_USED:
sm->ft_rsnxe_used = value;
break;
#endif /* CONFIG_TESTING_OPTIONS */
default:
break;
}

1
src/rsn_supp/wpa.h
View file

@ -106,6 +106,7 @@ enum wpa_sm_conf_params {
WPA_PARAM_DENY_PTK0_REKEY,
WPA_PARAM_EXT_KEY_ID,
WPA_PARAM_USE_EXT_KEY_ID,
WPA_PARAM_FT_RSNXE_USED,
};
struct rsn_supp_config {

7
src/rsn_supp/wpa_ft.c
View file

@ -305,6 +305,13 @@ static u8 * wpa_ft_gen_req_ies(struct wpa_sm *sm, size_t *len,
ftie_len = pos++;
rsnxe_used = wpa_key_mgmt_sae(sm->key_mgmt) && anonce &&
(sm->sae_pwe == 1 || sm->sae_pwe == 2);
#ifdef CONFIG_TESTING_OPTIONS
if (anonce && sm->ft_rsnxe_used) {
rsnxe_used = sm->ft_rsnxe_used == 1;
wpa_printf(MSG_DEBUG, "TESTING: FT: Force RSNXE Used %d",
rsnxe_used);
}
#endif /* CONFIG_TESTING_OPTIONS */
if (wpa_key_mgmt_sha384(sm->key_mgmt)) {
struct rsn_ftie_sha384 *ftie;

1
src/rsn_supp/wpa_i.h
View file

@ -153,6 +153,7 @@ struct wpa_sm {
#ifdef CONFIG_TESTING_OPTIONS
struct wpabuf *test_assoc_ie;
int ft_rsnxe_used;
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_FILS

3
wpa_supplicant/ctrl_iface.c
View file

@ -747,6 +747,8 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
break;
pos++;
}
} else if (os_strcasecmp(cmd, "ft_rsnxe_used") == 0) {
wpa_s->ft_rsnxe_used = atoi(value);
} else if (os_strcasecmp(cmd, "rsne_override_eapol") == 0) {
wpabuf_free(wpa_s->rsne_override_eapol);
if (os_strcmp(value, "NULL") == 0)
@ -8184,6 +8186,7 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
wpa_s->disable_sa_query = 0;
wpa_s->testing_resend_assoc = 0;
wpa_s->ignore_sae_h2e_only = 0;
wpa_s->ft_rsnxe_used = 0;
wpa_s->reject_btm_req_reason = 0;
wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
os_free(wpa_s->get_pref_freq_list_override);

4
wpa_supplicant/wpa_supplicant.c
View file

@ -1639,6 +1639,10 @@ int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
if (ssid->sae_password_id && sae_pwe != 3)
sae_pwe = 1;
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_SAE_PWE, sae_pwe);
#ifdef CONFIG_TESTING_OPTIONS
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_FT_RSNXE_USED,
wpa_s->ft_rsnxe_used);
#endif /* CONFIG_TESTING_OPTIONS */
/* Extended Key ID is only supported in infrastructure BSS so far */
if (ssid->mode == WPAS_MODE_INFRA && wpa_s->conf->extended_key_id &&

1
wpa_supplicant/wpa_supplicant_i.h
View file

@ -1135,6 +1135,7 @@ struct wpa_supplicant {
unsigned int disable_sa_query:1;
unsigned int testing_resend_assoc:1;
unsigned int ignore_sae_h2e_only:1;
int ft_rsnxe_used;
struct wpabuf *sae_commit_override;
enum wpa_alg last_tk_alg;
u8 last_tk_addr[ETH_ALEN];