X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=libeap%2Fsrc%2Fwps%2Fwps_dev_attr.c;fp=libeap%2Fsrc%2Fwps%2Fwps_dev_attr.c;h=0d01211a261cbe2ed3908f9a4a6af3e95b7e7d47;hb=88e34eecb5769da6526361b35df00fdbe823eac5;hp=0000000000000000000000000000000000000000;hpb=2394142e4bf89e0a9e2a0091ac16bd6442e3d4c7;p=mech_eap.git diff --git a/libeap/src/wps/wps_dev_attr.c b/libeap/src/wps/wps_dev_attr.c new file mode 100644 index 0000000..0d01211 --- /dev/null +++ b/libeap/src/wps/wps_dev_attr.c @@ -0,0 +1,419 @@ +/* + * Wi-Fi Protected Setup - device attributes + * Copyright (c) 2008, Jouni Malinen + * + * 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; +}