struct wpabuf * wps_build_nfc_handover_req_p2p(struct wps_context *ctx,
struct wpabuf *nfc_dh_pubkey)
{
struct wpabuf *msg;
if (ctx == NULL)
return NULL;
wpa_printf(MSG_DEBUG, "WPS: Building attributes for NFC connection "
"handover request (P2P)");
if (nfc_dh_pubkey == NULL) {
wpa_printf(MSG_DEBUG, "WPS: No NFC DH Public Key configured");
return NULL;
}
msg = wpabuf_alloc(1000);
if (msg == NULL)
return msg;
if (wps_build_manufacturer(&ctx->dev, msg) ||
wps_build_model_name(&ctx->dev, msg) ||
wps_build_model_number(&ctx->dev, msg) ||
wps_build_oob_dev_pw(msg, DEV_PW_NFC_CONNECTION_HANDOVER,
nfc_dh_pubkey, NULL, 0) ||
wps_build_rf_bands(&ctx->dev, msg, 0) ||
wps_build_serial_number(&ctx->dev, msg) ||
wps_build_uuid_e(msg, ctx->uuid) ||
wps_build_wfa_ext(msg, 0, NULL, 0)) {
wpabuf_free(msg);
return NULL;
}
return msg;
}
void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
int all_attr)
{
u8 *len;
wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
len = wpabuf_put(buf, 1);
wpabuf_put_be32(buf, WPS_DEV_OUI_WFA);
wps_build_version(buf);
if (all_attr) {
wpabuf_put_be16(buf, ATTR_WPS_STATE);
wpabuf_put_be16(buf, 1);
wpabuf_put_u8(buf, WPS_STATE_NOT_CONFIGURED);
}
/* Device Password ID */
wpabuf_put_be16(buf, ATTR_DEV_PASSWORD_ID);
wpabuf_put_be16(buf, 2);
wpa_printf(MSG_DEBUG, "P2P: WPS IE Device Password ID: %d", pw_id);
wpabuf_put_be16(buf, pw_id);
if (all_attr) {
size_t nlen;
wpabuf_put_be16(buf, ATTR_RESPONSE_TYPE);
wpabuf_put_be16(buf, 1);
wpabuf_put_u8(buf, WPS_RESP_ENROLLEE_INFO);
#if 0
/* FIX */
wps_build_uuid_e(buf, reg->wps->uuid);
wps_build_manufacturer(dev, buf);
wps_build_model_name(dev, buf);
wps_build_model_number(dev, buf);
wps_build_serial_number(dev, buf);
#endif
wpabuf_put_be16(buf, ATTR_PRIMARY_DEV_TYPE);
wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN);
wpabuf_put_data(buf, p2p->cfg->pri_dev_type, WPS_DEV_TYPE_LEN);
wpabuf_put_be16(buf, ATTR_DEV_NAME);
nlen = p2p->cfg->dev_name ? os_strlen(p2p->cfg->dev_name) : 0;
wpabuf_put_be16(buf, nlen);
if (p2p->cfg->dev_name)
wpabuf_put_data(buf, p2p->cfg->dev_name, nlen);
wpabuf_put_be16(buf, ATTR_CONFIG_METHODS);
wpabuf_put_be16(buf, 2);
wpabuf_put_be16(buf, 0); /* FIX: ? */
}
wps_build_wfa_ext(buf, 0, NULL, 0);
p2p_buf_update_ie_hdr(buf, len);
}
int wps_build_device_attrs(struct wps_device_data *dev, struct wpabuf *msg)
{
if (wps_build_manufacturer(dev, msg) ||
wps_build_model_name(dev, msg) ||
wps_build_model_number(dev, msg) ||
wps_build_serial_number(dev, msg) ||
wps_build_primary_dev_type(dev, msg) ||
wps_build_dev_name(dev, msg))
return -1;
return 0;
}
struct wpabuf * wps_build_nfc_handover_sel_p2p(struct wps_context *ctx,
int nfc_dev_pw_id,
struct wpabuf *nfc_dh_pubkey,
struct wpabuf *nfc_dev_pw)
{
struct wpabuf *msg;
const u8 *dev_pw;
size_t dev_pw_len;
if (ctx == NULL)
return NULL;
wpa_printf(MSG_DEBUG, "WPS: Building attributes for NFC connection "
"handover select (P2P)");
if (nfc_dh_pubkey == NULL ||
(nfc_dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER &&
nfc_dev_pw == NULL)) {
wpa_printf(MSG_DEBUG, "WPS: No NFC OOB Device Password "
"configured");
return NULL;
}
msg = wpabuf_alloc(1000);
if (msg == NULL)
return msg;
if (nfc_dev_pw) {
dev_pw = wpabuf_head(nfc_dev_pw);
dev_pw_len = wpabuf_len(nfc_dev_pw);
} else {
dev_pw = NULL;
dev_pw_len = 0;
}
if (wps_build_manufacturer(&ctx->dev, msg) ||
wps_build_model_name(&ctx->dev, msg) ||
wps_build_model_number(&ctx->dev, msg) ||
wps_build_oob_dev_pw(msg, nfc_dev_pw_id, nfc_dh_pubkey,
dev_pw, dev_pw_len) ||
wps_build_rf_bands(&ctx->dev, msg, 0) ||
wps_build_serial_number(&ctx->dev, msg) ||
wps_build_uuid_e(msg, ctx->uuid) ||
wps_build_wfa_ext(msg, 0, NULL, 0)) {
wpabuf_free(msg);
return NULL;
}
return msg;
}
void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
int all_attr)
{
u8 *len;
int i;
wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
len = wpabuf_put(buf, 1);
wpabuf_put_be32(buf, WPS_DEV_OUI_WFA);
wps_build_version(buf);
if (all_attr) {
wpabuf_put_be16(buf, ATTR_WPS_STATE);
wpabuf_put_be16(buf, 1);
wpabuf_put_u8(buf, WPS_STATE_NOT_CONFIGURED);
}
/* Device Password ID */
wpabuf_put_be16(buf, ATTR_DEV_PASSWORD_ID);
wpabuf_put_be16(buf, 2);
wpa_printf(MSG_DEBUG, "P2P: WPS IE Device Password ID: %d", pw_id);
wpabuf_put_be16(buf, pw_id);
if (all_attr) {
size_t nlen;
wpabuf_put_be16(buf, ATTR_RESPONSE_TYPE);
wpabuf_put_be16(buf, 1);
wpabuf_put_u8(buf, WPS_RESP_ENROLLEE_INFO);
#if 0
/* FIX */
wps_build_uuid_e(buf, reg->wps->uuid);
wps_build_manufacturer(dev, buf);
wps_build_model_name(dev, buf);
wps_build_model_number(dev, buf);
wps_build_serial_number(dev, buf);
#endif
wpabuf_put_be16(buf, ATTR_PRIMARY_DEV_TYPE);
wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN);
wpabuf_put_data(buf, p2p->cfg->pri_dev_type, WPS_DEV_TYPE_LEN);
wpabuf_put_be16(buf, ATTR_DEV_NAME);
nlen = p2p->cfg->dev_name ? os_strlen(p2p->cfg->dev_name) : 0;
wpabuf_put_be16(buf, nlen);
if (p2p->cfg->dev_name)
wpabuf_put_data(buf, p2p->cfg->dev_name, nlen);
wpabuf_put_be16(buf, ATTR_CONFIG_METHODS);
wpabuf_put_be16(buf, 2);
wpabuf_put_be16(buf, 0); /* FIX: ? */
}
wps_build_wfa_ext(buf, 0, NULL, 0);
if (all_attr && p2p->cfg->num_sec_dev_types) {
wpabuf_put_be16(buf, ATTR_SECONDARY_DEV_TYPE_LIST);
wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN *
p2p->cfg->num_sec_dev_types);
wpabuf_put_data(buf, p2p->cfg->sec_dev_type,
WPS_DEV_TYPE_LEN *
p2p->cfg->num_sec_dev_types);
}
/* Add the WPS vendor extensions */
for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
if (p2p->wps_vendor_ext[i] == NULL)
break;
if (wpabuf_tailroom(buf) <
4 + wpabuf_len(p2p->wps_vendor_ext[i]))
continue;
wpabuf_put_be16(buf, ATTR_VENDOR_EXT);
wpabuf_put_be16(buf, wpabuf_len(p2p->wps_vendor_ext[i]));
wpabuf_put_buf(buf, p2p->wps_vendor_ext[i]);
}
p2p_buf_update_ie_hdr(buf, len);
}
