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Add TEST_ASSOC_IE for WPA/RSN IE testing on AP side

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The new wpa_supplicant control interface command "TEST_ASSOC_IE
<hexdump>" can now be used to override the WPA/RSN IE for Association
Request frame and following 4-way handshake to allow protocol testing of
AP side processing of WPA/RSN IE.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-12-06 19:30:59 +02:00
parent 8eb45bde38
commit 651c6a84af
4 changed files with 61 additions and 0 deletions
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23
src/rsn_supp/wpa.c
View file

@ -2291,6 +2291,9 @@ void wpa_sm_deinit(struct wpa_sm *sm)
#ifdef CONFIG_IEEE80211R
os_free(sm->assoc_resp_ies);
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_TESTING_OPTIONS
wpabuf_free(sm->test_assoc_ie);
#endif /* CONFIG_TESTING_OPTIONS */
os_free(sm);
}
@ -2692,6 +2695,17 @@ int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
if (sm == NULL)
return -1;
#ifdef CONFIG_TESTING_OPTIONS
if (sm->test_assoc_ie) {
wpa_printf(MSG_DEBUG,
"TESTING: Replace association WPA/RSN IE");
if (*wpa_ie_len < wpabuf_len(sm->test_assoc_ie))
return -1;
os_memcpy(wpa_ie, wpabuf_head(sm->test_assoc_ie),
wpabuf_len(sm->test_assoc_ie));
res = wpabuf_len(sm->test_assoc_ie);
} else
#endif /* CONFIG_TESTING_OPTIONS */
res = wpa_gen_wpa_ie(sm, wpa_ie, *wpa_ie_len);
if (res < 0)
return -1;
@ -3031,3 +3045,12 @@ void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm,
}
sm->ptk_set = 1;
}
#ifdef CONFIG_TESTING_OPTIONS
void wpa_sm_set_test_assoc_ie(struct wpa_sm *sm, struct wpabuf *buf)
{
wpabuf_free(sm->test_assoc_ie);
sm->test_assoc_ie = buf;
}
#endif /* CONFIG_TESTING_OPTIONS */

1
src/rsn_supp/wpa.h
View file

@ -419,5 +419,6 @@ int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr,
int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr);
int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
void wpa_sm_set_test_assoc_ie(struct wpa_sm *sm, struct wpabuf *buf);
#endif /* WPA_H */

4
src/rsn_supp/wpa_i.h
View file

@ -134,6 +134,10 @@ struct wpa_sm {
#ifdef CONFIG_P2P
u8 p2p_ip_addr[3 * 4];
#endif /* CONFIG_P2P */
#ifdef CONFIG_TESTING_OPTIONS
struct wpabuf *test_assoc_ie;
#endif /* CONFIG_TESTING_OPTIONS */
};

33
wpa_supplicant/ctrl_iface.c
View file

@ -6952,6 +6952,7 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
wpa_s->extra_roc_dur = 0;
wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
wpa_s->p2p_go_csa_on_inv = 0;
wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
#endif /* CONFIG_TESTING_OPTIONS */
wpa_s->disconnected = 0;
@ -7841,6 +7842,35 @@ static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
(void *) (intptr_t) count);
}
static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
const char *cmd)
{
struct wpabuf *buf;
size_t len;
len = os_strlen(cmd);
if (len & 1)
return -1;
len /= 2;
if (len == 0) {
buf = NULL;
} else {
buf = wpabuf_alloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
wpabuf_free(buf);
return -1;
}
}
wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
return 0;
}
#endif /* CONFIG_TESTING_OPTIONS */
@ -8805,6 +8835,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
} else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
reply_len = -1;
#endif /* CONFIG_TESTING_OPTIONS */
} else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)