--- /dev/null
+/*
+ * Wi-Fi Protected Setup - device attributes
+ * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "wps_i.h"
+#include "wps_dev_attr.h"
+
+
+int wps_build_manufacturer(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ size_t len;
+ wpa_printf(MSG_DEBUG, "WPS: * Manufacturer");
+ wpabuf_put_be16(msg, ATTR_MANUFACTURER);
+ len = dev->manufacturer ? os_strlen(dev->manufacturer) : 0;
+#ifndef CONFIG_WPS_STRICT
+ if (len == 0) {
+ /*
+ * Some deployed WPS implementations fail to parse zero-length
+ * attributes. As a workaround, send a space character if the
+ * device attribute string is empty.
+ */
+ wpabuf_put_be16(msg, 1);
+ wpabuf_put_u8(msg, ' ');
+ return 0;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ wpabuf_put_be16(msg, len);
+ wpabuf_put_data(msg, dev->manufacturer, len);
+ return 0;
+}
+
+
+int wps_build_model_name(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ size_t len;
+ wpa_printf(MSG_DEBUG, "WPS: * Model Name");
+ wpabuf_put_be16(msg, ATTR_MODEL_NAME);
+ len = dev->model_name ? os_strlen(dev->model_name) : 0;
+#ifndef CONFIG_WPS_STRICT
+ if (len == 0) {
+ /*
+ * Some deployed WPS implementations fail to parse zero-length
+ * attributes. As a workaround, send a space character if the
+ * device attribute string is empty.
+ */
+ wpabuf_put_be16(msg, 1);
+ wpabuf_put_u8(msg, ' ');
+ return 0;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ wpabuf_put_be16(msg, len);
+ wpabuf_put_data(msg, dev->model_name, len);
+ return 0;
+}
+
+
+int wps_build_model_number(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ size_t len;
+ wpa_printf(MSG_DEBUG, "WPS: * Model Number");
+ wpabuf_put_be16(msg, ATTR_MODEL_NUMBER);
+ len = dev->model_number ? os_strlen(dev->model_number) : 0;
+#ifndef CONFIG_WPS_STRICT
+ if (len == 0) {
+ /*
+ * Some deployed WPS implementations fail to parse zero-length
+ * attributes. As a workaround, send a space character if the
+ * device attribute string is empty.
+ */
+ wpabuf_put_be16(msg, 1);
+ wpabuf_put_u8(msg, ' ');
+ return 0;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ wpabuf_put_be16(msg, len);
+ wpabuf_put_data(msg, dev->model_number, len);
+ return 0;
+}
+
+
+int wps_build_serial_number(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ size_t len;
+ wpa_printf(MSG_DEBUG, "WPS: * Serial Number");
+ wpabuf_put_be16(msg, ATTR_SERIAL_NUMBER);
+ len = dev->serial_number ? os_strlen(dev->serial_number) : 0;
+#ifndef CONFIG_WPS_STRICT
+ if (len == 0) {
+ /*
+ * Some deployed WPS implementations fail to parse zero-length
+ * attributes. As a workaround, send a space character if the
+ * device attribute string is empty.
+ */
+ wpabuf_put_be16(msg, 1);
+ wpabuf_put_u8(msg, ' ');
+ return 0;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ wpabuf_put_be16(msg, len);
+ wpabuf_put_data(msg, dev->serial_number, len);
+ return 0;
+}
+
+
+int wps_build_primary_dev_type(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ wpa_printf(MSG_DEBUG, "WPS: * Primary Device Type");
+ wpabuf_put_be16(msg, ATTR_PRIMARY_DEV_TYPE);
+ wpabuf_put_be16(msg, WPS_DEV_TYPE_LEN);
+ wpabuf_put_data(msg, dev->pri_dev_type, WPS_DEV_TYPE_LEN);
+ return 0;
+}
+
+
+int wps_build_secondary_dev_type(struct wps_device_data *dev,
+ struct wpabuf *msg)
+{
+ if (!dev->num_sec_dev_types)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "WPS: * Secondary Device Type");
+ wpabuf_put_be16(msg, ATTR_SECONDARY_DEV_TYPE_LIST);
+ wpabuf_put_be16(msg, WPS_DEV_TYPE_LEN * dev->num_sec_dev_types);
+ wpabuf_put_data(msg, dev->sec_dev_type,
+ WPS_DEV_TYPE_LEN * dev->num_sec_dev_types);
+
+ return 0;
+}
+
+
+int wps_build_req_dev_type(struct wps_device_data *dev, struct wpabuf *msg,
+ unsigned int num_req_dev_types,
+ const u8 *req_dev_types)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_req_dev_types; i++) {
+ wpa_hexdump(MSG_DEBUG, "WPS: * Requested Device Type",
+ req_dev_types + i * WPS_DEV_TYPE_LEN,
+ WPS_DEV_TYPE_LEN);
+ wpabuf_put_be16(msg, ATTR_REQUESTED_DEV_TYPE);
+ wpabuf_put_be16(msg, WPS_DEV_TYPE_LEN);
+ wpabuf_put_data(msg, req_dev_types + i * WPS_DEV_TYPE_LEN,
+ WPS_DEV_TYPE_LEN);
+ }
+
+ return 0;
+}
+
+
+int wps_build_dev_name(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ size_t len;
+ wpa_printf(MSG_DEBUG, "WPS: * Device Name");
+ wpabuf_put_be16(msg, ATTR_DEV_NAME);
+ len = dev->device_name ? os_strlen(dev->device_name) : 0;
+#ifndef CONFIG_WPS_STRICT
+ if (len == 0) {
+ /*
+ * Some deployed WPS implementations fail to parse zero-length
+ * attributes. As a workaround, send a space character if the
+ * device attribute string is empty.
+ */
+ wpabuf_put_be16(msg, 1);
+ wpabuf_put_u8(msg, ' ');
+ return 0;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ wpabuf_put_be16(msg, len);
+ wpabuf_put_data(msg, dev->device_name, len);
+ return 0;
+}
+
+
+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;
+}
+
+
+int wps_build_os_version(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ wpa_printf(MSG_DEBUG, "WPS: * OS Version");
+ wpabuf_put_be16(msg, ATTR_OS_VERSION);
+ wpabuf_put_be16(msg, 4);
+ wpabuf_put_be32(msg, 0x80000000 | dev->os_version);
+ return 0;
+}
+
+
+int wps_build_vendor_ext_m1(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ if (dev->vendor_ext_m1 != NULL) {
+ wpa_hexdump(MSG_DEBUG, "WPS: * Vendor Extension M1",
+ wpabuf_head_u8(dev->vendor_ext_m1),
+ wpabuf_len(dev->vendor_ext_m1));
+ wpabuf_put_be16(msg, ATTR_VENDOR_EXT);
+ wpabuf_put_be16(msg, wpabuf_len(dev->vendor_ext_m1));
+ wpabuf_put_buf(msg, dev->vendor_ext_m1);
+ }
+ return 0;
+}
+
+
+int wps_build_rf_bands(struct wps_device_data *dev, struct wpabuf *msg,
+ u8 rf_band)
+{
+ return wps_build_rf_bands_attr(msg, rf_band ? rf_band : dev->rf_bands);
+}
+
+
+int wps_build_vendor_ext(struct wps_device_data *dev, struct wpabuf *msg)
+{
+ int i;
+
+ for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+ if (dev->vendor_ext[i] == NULL)
+ continue;
+ wpa_hexdump(MSG_DEBUG, "WPS: * Vendor Extension",
+ wpabuf_head_u8(dev->vendor_ext[i]),
+ wpabuf_len(dev->vendor_ext[i]));
+ wpabuf_put_be16(msg, ATTR_VENDOR_EXT);
+ wpabuf_put_be16(msg, wpabuf_len(dev->vendor_ext[i]));
+ wpabuf_put_buf(msg, dev->vendor_ext[i]);
+ }
+
+ return 0;
+}
+
+
+static int wps_process_manufacturer(struct wps_device_data *dev, const u8 *str,
+ size_t str_len)
+{
+ if (str == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No Manufacturer received");
+ return -1;
+ }
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Manufacturer", str, str_len);
+
+ os_free(dev->manufacturer);
+ dev->manufacturer = dup_binstr(str, str_len);
+ if (dev->manufacturer == NULL)
+ return -1;
+
+ return 0;
+}
+
+
+static int wps_process_model_name(struct wps_device_data *dev, const u8 *str,
+ size_t str_len)
+{
+ if (str == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No Model Name received");
+ return -1;
+ }
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Model Name", str, str_len);
+
+ os_free(dev->model_name);
+ dev->model_name = dup_binstr(str, str_len);
+ if (dev->model_name == NULL)
+ return -1;
+
+ return 0;
+}
+
+
+static int wps_process_model_number(struct wps_device_data *dev, const u8 *str,
+ size_t str_len)
+{
+ if (str == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No Model Number received");
+ return -1;
+ }
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Model Number", str, str_len);
+
+ os_free(dev->model_number);
+ dev->model_number = dup_binstr(str, str_len);
+ if (dev->model_number == NULL)
+ return -1;
+
+ return 0;
+}
+
+
+static int wps_process_serial_number(struct wps_device_data *dev,
+ const u8 *str, size_t str_len)
+{
+ if (str == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No Serial Number received");
+ return -1;
+ }
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Serial Number", str, str_len);
+
+ os_free(dev->serial_number);
+ dev->serial_number = dup_binstr(str, str_len);
+ if (dev->serial_number == NULL)
+ return -1;
+
+ return 0;
+}
+
+
+static int wps_process_dev_name(struct wps_device_data *dev, const u8 *str,
+ size_t str_len)
+{
+ if (str == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No Device Name received");
+ return -1;
+ }
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: Device Name", str, str_len);
+
+ os_free(dev->device_name);
+ dev->device_name = dup_binstr(str, str_len);
+ if (dev->device_name == NULL)
+ return -1;
+
+ return 0;
+}
+
+
+static int wps_process_primary_dev_type(struct wps_device_data *dev,
+ const u8 *dev_type)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+ if (dev_type == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No Primary Device Type received");
+ return -1;
+ }
+
+ os_memcpy(dev->pri_dev_type, dev_type, WPS_DEV_TYPE_LEN);
+ wpa_printf(MSG_DEBUG, "WPS: Primary Device Type: %s",
+ wps_dev_type_bin2str(dev->pri_dev_type, devtype,
+ sizeof(devtype)));
+
+ return 0;
+}
+
+
+int wps_process_device_attrs(struct wps_device_data *dev,
+ struct wps_parse_attr *attr)
+{
+ if (wps_process_manufacturer(dev, attr->manufacturer,
+ attr->manufacturer_len) ||
+ wps_process_model_name(dev, attr->model_name,
+ attr->model_name_len) ||
+ wps_process_model_number(dev, attr->model_number,
+ attr->model_number_len) ||
+ wps_process_serial_number(dev, attr->serial_number,
+ attr->serial_number_len) ||
+ wps_process_primary_dev_type(dev, attr->primary_dev_type) ||
+ wps_process_dev_name(dev, attr->dev_name, attr->dev_name_len))
+ return -1;
+ return 0;
+}
+
+
+int wps_process_os_version(struct wps_device_data *dev, const u8 *ver)
+{
+ if (ver == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No OS Version received");
+ return -1;
+ }
+
+ dev->os_version = WPA_GET_BE32(ver);
+ wpa_printf(MSG_DEBUG, "WPS: OS Version %08x", dev->os_version);
+
+ return 0;
+}
+
+
+int wps_process_rf_bands(struct wps_device_data *dev, const u8 *bands)
+{
+ if (bands == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: No RF Bands received");
+ return -1;
+ }
+
+ dev->rf_bands = *bands;
+ wpa_printf(MSG_DEBUG, "WPS: Enrollee RF Bands 0x%x", dev->rf_bands);
+
+ return 0;
+}
+
+
+void wps_device_data_free(struct wps_device_data *dev)
+{
+ os_free(dev->device_name);
+ dev->device_name = NULL;
+ os_free(dev->manufacturer);
+ dev->manufacturer = NULL;
+ os_free(dev->model_name);
+ dev->model_name = NULL;
+ os_free(dev->model_number);
+ dev->model_number = NULL;
+ os_free(dev->serial_number);
+ dev->serial_number = NULL;
+}