static int wps_parse_oob_cred(struct wps_context *wps, struct wpabuf *data)
{
struct wpabuf msg;
struct wps_parse_attr attr;
size_t i;
if (wps_parse_msg(data, &attr) < 0 || attr.num_cred <= 0) {
wpa_printf(MSG_ERROR, "WPS: OOB credential not found");
return -1;
}
for (i = 0; i < attr.num_cred; i++) {
struct wps_credential local_cred;
struct wps_parse_attr cattr;
os_memset(&local_cred, 0, sizeof(local_cred));
wpabuf_set(&msg, attr.cred[i], attr.cred_len[i]);
if (wps_parse_msg(&msg, &cattr) < 0 ||
wps_process_cred(&cattr, &local_cred)) {
wpa_printf(MSG_ERROR, "WPS: Failed to parse OOB "
"credential");
return -1;
}
wps->cred_cb(wps->cb_ctx, &local_cred);
}
return 0;
}
static int wps_process_cred_e(struct wps_data *wps, const u8 *cred,
size_t cred_len, int wps2)
{
struct wps_parse_attr attr;
struct wpabuf msg;
wpa_printf(MSG_DEBUG, "WPS: Received Credential");
os_memset(&wps->cred, 0, sizeof(wps->cred));
wpabuf_set(&msg, cred, cred_len);
if (wps_parse_msg(&msg, &attr) < 0 ||
wps_process_cred(&attr, &wps->cred))
return -1;
if (os_memcmp(wps->cred.mac_addr, wps->wps->dev.mac_addr, ETH_ALEN) !=
0) {
wpa_printf(MSG_DEBUG, "WPS: MAC Address in the Credential ("
MACSTR ") does not match with own address (" MACSTR
")", MAC2STR(wps->cred.mac_addr),
MAC2STR(wps->wps->dev.mac_addr));
/*
* In theory, this could be consider fatal error, but there are
* number of deployed implementations using other address here
* due to unclarity in the specification. For interoperability
* reasons, allow this to be processed since we do not really
* use the MAC Address information for anything.
*/
#ifdef CONFIG_WPS_STRICT
if (wps2) {
wpa_printf(MSG_INFO, "WPS: Do not accept incorrect "
"MAC Address in AP Settings");
return -1;
}
#endif /* CONFIG_WPS_STRICT */
}
#ifdef CONFIG_WPS2
if (!(wps->cred.encr_type &
(WPS_ENCR_NONE | WPS_ENCR_TKIP | WPS_ENCR_AES))) {
if (wps->cred.encr_type & WPS_ENCR_WEP) {
wpa_printf(MSG_INFO, "WPS: Reject Credential "
"due to WEP configuration");
return -2;
}
wpa_printf(MSG_INFO, "WPS: Reject Credential due to "
"invalid encr_type 0x%x", wps->cred.encr_type);
return -1;
}
#endif /* CONFIG_WPS2 */
if (wps->wps->cred_cb) {
wps->cred.cred_attr = cred - 4;
wps->cred.cred_attr_len = cred_len + 4;
wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred);
wps->cred.cred_attr = NULL;
wps->cred.cred_attr_len = 0;
}
return 0;
}
int wps_oob_use_cred(struct wps_context *wps, struct wps_parse_attr *attr)
{
struct wpabuf msg;
size_t i;
for (i = 0; i < attr->num_cred; i++) {
struct wps_credential local_cred;
struct wps_parse_attr cattr;
os_memset(&local_cred, 0, sizeof(local_cred));
wpabuf_set(&msg, attr->cred[i], attr->cred_len[i]);
if (wps_parse_msg(&msg, &cattr) < 0 ||
wps_process_cred(&cattr, &local_cred)) {
wpa_printf(MSG_ERROR, "WPS: Failed to parse OOB "
"credential");
return -1;
}
wps->cred_cb(wps->cb_ctx, &local_cred);
}
return 0;
}
static int wps_process_cred_e(struct wps_data *wps, const u8 *cred,
size_t cred_len)
{
struct wps_parse_attr attr;
struct wpabuf msg;
wpa_printf(MSG_DEBUG, "WPS: Received Credential");
os_memset(&wps->cred, 0, sizeof(wps->cred));
wpabuf_set(&msg, cred, cred_len);
if (wps_parse_msg(&msg, &attr) < 0 ||
wps_process_cred(&attr, &wps->cred))
return -1;
if (wps->wps->cred_cb) {
wps->cred.cred_attr = cred - 4;
wps->cred.cred_attr_len = cred_len + 4;
wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred);
wps->cred.cred_attr = NULL;
wps->cred.cred_attr_len = 0;
}
return 0;
}