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authorJouni Malinen <jouni.malinen@atheros.com>2011-01-24 15:25:59 +0200
committerJouni Malinen <j@w1.fi>2011-01-24 15:25:59 +0200
commit44a0486607082dbbed54a253e1177995bee88656 (patch)
tree1eafc69b6818b840fb3ce5b27583329ba97106b1 /wlantest
parent244c9303cb148f96e6e7bbd0c5b24479ce4df3b8 (diff)
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wlantest: Fix TDLS setup failure counting
Need to be able to handle TDLS Setup Response frame with LinkId IE when non-zero status code is used. In addition, allow finding of a TDLS entry based on real BSSID instead of the one used in the LinkId to allow negative testing of different BSS.
Diffstat (limited to 'wlantest')
-rw-r--r--wlantest/rx_tdls.c95
1 files changed, 83 insertions, 12 deletions
diff --git a/wlantest/rx_tdls.c b/wlantest/rx_tdls.c
index 4e25cce..af41634 100644
--- a/wlantest/rx_tdls.c
+++ b/wlantest/rx_tdls.c
@@ -24,13 +24,22 @@
static struct wlantest_tdls * get_tdls(struct wlantest *wt, const u8 *linkid,
- int create_new)
+ int create_new, const u8 *bssid)
{
struct wlantest_bss *bss;
struct wlantest_sta *init, *resp;
struct wlantest_tdls *tdls;
bss = bss_find(wt, linkid);
+ if (bss == NULL && bssid) {
+ bss = bss_find(wt, bssid);
+ if (bss)
+ wpa_printf(MSG_INFO, "TDLS: Incorrect BSSID " MACSTR
+ " in LinkId?! (init=" MACSTR " resp="
+ MACSTR ")",
+ MAC2STR(linkid), MAC2STR(linkid + ETH_ALEN),
+ MAC2STR(linkid + 2 * ETH_ALEN));
+ }
if (bss == NULL)
return NULL;
@@ -194,8 +203,11 @@ static void rx_data_tdls_setup_request(struct wlantest *wt, const u8 *bssid,
struct ieee802_11_elems elems;
struct wlantest_tdls *tdls;
- if (len < 3)
+ if (len < 3) {
+ wpa_printf(MSG_INFO, "Too short TDLS Setup Request " MACSTR
+ " -> " MACSTR, MAC2STR(src), MAC2STR(dst));
return;
+ }
wpa_printf(MSG_DEBUG, "TDLS Setup Request " MACSTR " -> "
MACSTR, MAC2STR(src), MAC2STR(dst));
@@ -206,9 +218,51 @@ static void rx_data_tdls_setup_request(struct wlantest *wt, const u8 *bssid,
" initiator STA " MACSTR " responder STA " MACSTR,
MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
MAC2STR(elems.link_id + 2 * ETH_ALEN));
- tdls = get_tdls(wt, elems.link_id, 1);
- if (tdls)
+ tdls = get_tdls(wt, elems.link_id, 1, bssid);
+ if (tdls) {
tdls->counters[WLANTEST_TDLS_COUNTER_SETUP_REQ]++;
+ tdls->dialog_token = data[0];
+ }
+}
+
+
+static void rx_data_tdls_setup_response_failure(struct wlantest *wt,
+ const u8 *bssid,
+ const u8 *sta_addr,
+ u8 dialog_token, u16 status)
+{
+ struct wlantest_bss *bss;
+ struct wlantest_tdls *tdls;
+ struct wlantest_sta *sta;
+
+ if (status == WLAN_STATUS_SUCCESS) {
+ wpa_printf(MSG_INFO, "TDLS: Invalid TDLS Setup Response from "
+ MACSTR, MAC2STR(sta_addr));
+ return;
+ }
+
+ bss = bss_find(wt, bssid);
+ if (!bss)
+ return;
+ sta = sta_find(bss, sta_addr);
+ if (!sta)
+ return;
+
+ dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list) {
+ if (tdls->resp == sta) {
+ if (dialog_token != tdls->dialog_token) {
+ wpa_printf(MSG_DEBUG, "TDLS: Dialog token "
+ "mismatch in TDLS Setup Response "
+ "(failure)");
+ break;
+ }
+ wpa_printf(MSG_DEBUG, "TDLS: Found matching TDLS "
+ "setup session based on dialog token");
+ tdls->counters[
+ WLANTEST_TDLS_COUNTER_SETUP_RESP_FAIL]++;
+ break;
+ }
+ }
}
@@ -221,30 +275,44 @@ static void rx_data_tdls_setup_response(struct wlantest *wt, const u8 *bssid,
struct ieee802_11_elems elems;
struct wlantest_tdls *tdls;
- if (len < 5)
+ if (len < 3) {
+ wpa_printf(MSG_INFO, "Too short TDLS Setup Response " MACSTR
+ " -> " MACSTR, MAC2STR(src), MAC2STR(dst));
return;
+ }
status = WPA_GET_LE16(data);
wpa_printf(MSG_DEBUG, "TDLS Setup Response " MACSTR " -> "
MACSTR " (status %d)",
MAC2STR(src), MAC2STR(dst), status);
- if (status != WLAN_STATUS_SUCCESS)
+ if (len < 5) {
+ wpa_printf(MSG_INFO, "Too short TDLS Setup Response " MACSTR
+ " -> " MACSTR, MAC2STR(src), MAC2STR(dst));
return;
+ }
if (ieee802_11_parse_elems(data + 5, len - 5, &elems, 1) ==
- ParseFailed || elems.link_id == NULL)
+ ParseFailed || elems.link_id == NULL) {
+ /* Need to match TDLS link based on Dialog Token */
+ rx_data_tdls_setup_response_failure(wt, bssid, sta_addr,
+ data[2], status);
return;
+ }
wpa_printf(MSG_DEBUG, "TDLS Link Identifier: BSSID " MACSTR
" initiator STA " MACSTR " responder STA " MACSTR,
MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
MAC2STR(elems.link_id + 2 * ETH_ALEN));
- tdls = get_tdls(wt, elems.link_id, 1);
+ tdls = get_tdls(wt, elems.link_id, 1, bssid);
if (!tdls)
return;
if (status)
tdls->counters[WLANTEST_TDLS_COUNTER_SETUP_RESP_FAIL]++;
else
tdls->counters[WLANTEST_TDLS_COUNTER_SETUP_RESP_OK]++;
+
+ if (status != WLAN_STATUS_SUCCESS)
+ return;
+
if (tdls_derive_tpk(tdls, bssid, elems.ftie, elems.ftie_len) < 1)
return;
if (tdls_verify_mic(tdls, 2, &elems) == 0) {
@@ -265,8 +333,11 @@ static void rx_data_tdls_setup_confirm(struct wlantest *wt, const u8 *bssid,
struct wlantest_tdls *tdls;
u8 link_id[3 * ETH_ALEN];
- if (len < 3)
+ if (len < 3) {
+ wpa_printf(MSG_INFO, "Too short TDLS Setup Confirm " MACSTR
+ " -> " MACSTR, MAC2STR(src), MAC2STR(dst));
return;
+ }
status = WPA_GET_LE16(data);
wpa_printf(MSG_DEBUG, "TDLS Setup Confirm " MACSTR " -> "
MACSTR " (status %d)",
@@ -280,7 +351,7 @@ static void rx_data_tdls_setup_confirm(struct wlantest *wt, const u8 *bssid,
MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
MAC2STR(elems.link_id + 2 * ETH_ALEN));
- tdls = get_tdls(wt, elems.link_id, 1);
+ tdls = get_tdls(wt, elems.link_id, 1, bssid);
if (tdls == NULL)
return;
if (status)
@@ -313,7 +384,7 @@ remove_reverse:
os_memcpy(link_id, elems.link_id, ETH_ALEN);
os_memcpy(link_id + ETH_ALEN, elems.link_id + 2 * ETH_ALEN, ETH_ALEN);
os_memcpy(link_id + 2 * ETH_ALEN, elems.link_id + ETH_ALEN, ETH_ALEN);
- tdls = get_tdls(wt, link_id, 0);
+ tdls = get_tdls(wt, link_id, 0, bssid);
if (tdls) {
wpa_printf(MSG_DEBUG, "TDLS: Remove reverse link entry");
tdls_deinit(tdls);
@@ -401,7 +472,7 @@ static void rx_data_tdls_teardown(struct wlantest *wt, const u8 *bssid,
MAC2STR(elems.link_id), MAC2STR(elems.link_id + ETH_ALEN),
MAC2STR(elems.link_id + 2 * ETH_ALEN));
- tdls = get_tdls(wt, elems.link_id, 1);
+ tdls = get_tdls(wt, elems.link_id, 1, bssid);
if (tdls) {
tdls->link_up = 0;
tdls_verify_mic_teardown(tdls, 4, data, &elems);