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SAE H2E: RSNXE override for testing purposes

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"SET rsnxe_override_{assoc,eapol} <hexdump>" can now be used to override
RSNXE in (Re)Association Request frames and EAPOL-Key msg 2/4 for
testing purposes.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-12-07 12:54:54 +02:00 committed by Jouni Malinen
parent dedd8f336e
commit 1325655397
5 changed files with 55 additions and 0 deletions
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16
wpa_supplicant/ctrl_iface.c
View file

@ -687,6 +687,18 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
break;
pos++;
}
} else if (os_strcasecmp(cmd, "rsnxe_override_assoc") == 0) {
wpabuf_free(wpa_s->rsnxe_override_assoc);
if (os_strcmp(value, "NULL") == 0)
wpa_s->rsnxe_override_assoc = NULL;
else
wpa_s->rsnxe_override_assoc = wpabuf_parse_bin(value);
} else if (os_strcasecmp(cmd, "rsnxe_override_eapol") == 0) {
wpabuf_free(wpa_s->rsnxe_override_eapol);
if (os_strcmp(value, "NULL") == 0)
wpa_s->rsnxe_override_eapol = NULL;
else
wpa_s->rsnxe_override_eapol = wpabuf_parse_bin(value);
} else if (os_strcasecmp(cmd, "reject_btm_req_reason") == 0) {
wpa_s->reject_btm_req_reason = atoi(value);
} else if (os_strcasecmp(cmd, "get_pref_freq_list_override") == 0) {
@ -8078,6 +8090,10 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
wpa_s->sae_commit_override = NULL;
os_free(wpa_s->extra_sae_rejected_groups);
wpa_s->extra_sae_rejected_groups = NULL;
wpabuf_free(wpa_s->rsnxe_override_assoc);
wpa_s->rsnxe_override_assoc = NULL;
wpabuf_free(wpa_s->rsnxe_override_eapol);
wpa_s->rsnxe_override_eapol = NULL;
#ifdef CONFIG_DPP
os_free(wpa_s->dpp_config_obj_override);
wpa_s->dpp_config_obj_override = NULL;

10
wpa_supplicant/events.c
View file

@ -3017,6 +3017,16 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
#ifdef CONFIG_MBO
wpas_mbo_check_pmf(wpa_s, bss, wpa_s->current_ssid);
#endif /* CONFIG_MBO */
#ifdef CONFIG_TESTING_OPTIONS
if (wpa_s->rsnxe_override_eapol) {
wpa_printf(MSG_DEBUG,
"TESTING: RSNXE EAPOL-Key msg 2/4 override");
wpa_sm_set_assoc_rsnxe(wpa_s->wpa,
wpabuf_head(wpa_s->rsnxe_override_eapol),
wpabuf_len(wpa_s->rsnxe_override_eapol));
}
#endif /* CONFIG_TESTING_OPTIONS */
}

12
wpa_supplicant/sme.c
View file

@ -591,6 +591,18 @@ static void sme_send_authentication(struct wpa_supplicant *wpa_s,
os_memcpy(pos, ext_capab, ext_capab_len);
}
#ifdef CONFIG_TESTING_OPTIONS
if (wpa_s->rsnxe_override_assoc &&
wpabuf_len(wpa_s->rsnxe_override_assoc) <=
sizeof(wpa_s->sme.assoc_req_ie) - wpa_s->sme.assoc_req_ie_len) {
wpa_printf(MSG_DEBUG, "TESTING: RSNXE AssocReq override");
os_memcpy(wpa_s->sme.assoc_req_ie + wpa_s->sme.assoc_req_ie_len,
wpabuf_head(wpa_s->rsnxe_override_assoc),
wpabuf_len(wpa_s->rsnxe_override_assoc));
wpa_s->sme.assoc_req_ie_len +=
wpabuf_len(wpa_s->rsnxe_override_assoc);
} else
#endif /* CONFIG_TESTING_OPTIONS */
if (wpa_s->rsnxe_len > 0 &&
wpa_s->rsnxe_len <=
sizeof(wpa_s->sme.assoc_req_ie) - wpa_s->sme.assoc_req_ie_len) {

15
wpa_supplicant/wpa_supplicant.c
View file

@ -501,6 +501,10 @@ static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
wpa_s->last_assoc_req_wpa_ie = NULL;
os_free(wpa_s->extra_sae_rejected_groups);
wpa_s->extra_sae_rejected_groups = NULL;
wpabuf_free(wpa_s->rsnxe_override_assoc);
wpa_s->rsnxe_override_assoc = NULL;
wpabuf_free(wpa_s->rsnxe_override_eapol);
wpa_s->rsnxe_override_eapol = NULL;
#endif /* CONFIG_TESTING_OPTIONS */
if (wpa_s->conf != NULL) {
@ -3026,6 +3030,17 @@ pfs_fail:
}
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_TESTING_OPTIONS
if (wpa_s->rsnxe_override_assoc &&
wpabuf_len(wpa_s->rsnxe_override_assoc) <=
max_wpa_ie_len - wpa_ie_len) {
wpa_printf(MSG_DEBUG, "TESTING: RSNXE AssocReq override");
os_memcpy(wpa_ie + wpa_ie_len,
wpabuf_head(wpa_s->rsnxe_override_assoc),
wpabuf_len(wpa_s->rsnxe_override_assoc));
wpa_ie_len += wpabuf_len(wpa_s->rsnxe_override_assoc);
} else
#endif /* CONFIG_TESTING_OPTIONS */
if (wpa_s->rsnxe_len > 0 &&
wpa_s->rsnxe_len <= max_wpa_ie_len - wpa_ie_len) {
os_memcpy(wpa_ie + wpa_ie_len, wpa_s->rsnxe, wpa_s->rsnxe_len);

2
wpa_supplicant/wpa_supplicant_i.h
View file

@ -1126,6 +1126,8 @@ struct wpa_supplicant {
size_t last_tk_len;
struct wpabuf *last_assoc_req_wpa_ie;
int *extra_sae_rejected_groups;
struct wpabuf *rsnxe_override_assoc;
struct wpabuf *rsnxe_override_eapol;
#endif /* CONFIG_TESTING_OPTIONS */
struct wmm_ac_assoc_data *wmm_ac_assoc_info;