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Allow RSNE in EAPOL-Key msg 2/4 to be overridden for testing purposes

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The new wpa_supplicant control interface parameter rsne_override_eapol
can be used similarly to the earlier rsnxe_override_eapol to override
the RSNE value added into EAPOL-Key msg 2/4.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2020-03-15 11:11:38 +02:00
parent 2b8f8a4721
commit f21fbfb977
4 changed files with 18 additions and 0 deletions
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8
wpa_supplicant/ctrl_iface.c
View file

@ -745,6 +745,12 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
break;
pos++;
}
} else if (os_strcasecmp(cmd, "rsne_override_eapol") == 0) {
wpabuf_free(wpa_s->rsne_override_eapol);
if (os_strcmp(value, "NULL") == 0)
wpa_s->rsne_override_eapol = NULL;
else
wpa_s->rsne_override_eapol = wpabuf_parse_bin(value);
} else if (os_strcasecmp(cmd, "rsnxe_override_assoc") == 0) {
wpabuf_free(wpa_s->rsnxe_override_assoc);
if (os_strcmp(value, "NULL") == 0)
@ -8174,6 +8180,8 @@ 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->rsne_override_eapol);
wpa_s->rsne_override_eapol = NULL;
wpabuf_free(wpa_s->rsnxe_override_assoc);
wpa_s->rsnxe_override_assoc = NULL;
wpabuf_free(wpa_s->rsnxe_override_eapol);

7
wpa_supplicant/events.c
View file

@ -3107,6 +3107,13 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
wpa_s->last_eapol_matches_bssid = 0;
#ifdef CONFIG_TESTING_OPTIONS
if (wpa_s->rsne_override_eapol) {
wpa_printf(MSG_DEBUG,
"TESTING: RSNE EAPOL-Key msg 2/4 override");
wpa_sm_set_assoc_wpa_ie(wpa_s->wpa,
wpabuf_head(wpa_s->rsne_override_eapol),
wpabuf_len(wpa_s->rsne_override_eapol));
}
if (wpa_s->rsnxe_override_eapol) {
wpa_printf(MSG_DEBUG,
"TESTING: RSNXE EAPOL-Key msg 2/4 override");

2
wpa_supplicant/wpa_supplicant.c
View file

@ -536,6 +536,8 @@ 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->rsne_override_eapol);
wpa_s->rsne_override_eapol = NULL;
wpabuf_free(wpa_s->rsnxe_override_assoc);
wpa_s->rsnxe_override_assoc = NULL;
wpabuf_free(wpa_s->rsnxe_override_eapol);

1
wpa_supplicant/wpa_supplicant_i.h
View file

@ -1142,6 +1142,7 @@ struct wpa_supplicant {
size_t last_tk_len;
struct wpabuf *last_assoc_req_wpa_ie;
int *extra_sae_rejected_groups;
struct wpabuf *rsne_override_eapol;
struct wpabuf *rsnxe_override_assoc;
struct wpabuf *rsnxe_override_eapol;
struct dl_list drv_signal_override;