1/* 2 * Wi-Fi Protected Setup - attribute parsing 3 * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef WPS_ATTR_PARSE_H 10#define WPS_ATTR_PARSE_H 11 12#include "wps.h" 13 14struct wps_parse_attr { 15 /* fixed length fields */ 16 const u8 *version; /* 1 octet */ 17 const u8 *version2; /* 1 octet */ 18 const u8 *msg_type; /* 1 octet */ 19 const u8 *enrollee_nonce; /* WPS_NONCE_LEN (16) octets */ 20 const u8 *registrar_nonce; /* WPS_NONCE_LEN (16) octets */ 21 const u8 *uuid_r; /* WPS_UUID_LEN (16) octets */ 22 const u8 *uuid_e; /* WPS_UUID_LEN (16) octets */ 23 const u8 *auth_type_flags; /* 2 octets */ 24 const u8 *encr_type_flags; /* 2 octets */ 25 const u8 *conn_type_flags; /* 1 octet */ 26 const u8 *config_methods; /* 2 octets */ 27 const u8 *sel_reg_config_methods; /* 2 octets */ 28 const u8 *primary_dev_type; /* 8 octets */ 29 const u8 *rf_bands; /* 1 octet */ 30 const u8 *assoc_state; /* 2 octets */ 31 const u8 *config_error; /* 2 octets */ 32 const u8 *dev_password_id; /* 2 octets */ 33 const u8 *os_version; /* 4 octets */ 34 const u8 *wps_state; /* 1 octet */ 35 const u8 *authenticator; /* WPS_AUTHENTICATOR_LEN (8) octets */ 36 const u8 *r_hash1; /* WPS_HASH_LEN (32) octets */ 37 const u8 *r_hash2; /* WPS_HASH_LEN (32) octets */ 38 const u8 *e_hash1; /* WPS_HASH_LEN (32) octets */ 39 const u8 *e_hash2; /* WPS_HASH_LEN (32) octets */ 40 const u8 *r_snonce1; /* WPS_SECRET_NONCE_LEN (16) octets */ 41 const u8 *r_snonce2; /* WPS_SECRET_NONCE_LEN (16) octets */ 42 const u8 *e_snonce1; /* WPS_SECRET_NONCE_LEN (16) octets */ 43 const u8 *e_snonce2; /* WPS_SECRET_NONCE_LEN (16) octets */ 44 const u8 *key_wrap_auth; /* WPS_KWA_LEN (8) octets */ 45 const u8 *auth_type; /* 2 octets */ 46 const u8 *encr_type; /* 2 octets */ 47 const u8 *network_idx; /* 1 octet */ 48 const u8 *network_key_idx; /* 1 octet */ 49 const u8 *mac_addr; /* ETH_ALEN (6) octets */ 50 const u8 *selected_registrar; /* 1 octet (Bool) */ 51 const u8 *request_type; /* 1 octet */ 52 const u8 *response_type; /* 1 octet */ 53 const u8 *ap_setup_locked; /* 1 octet */ 54 const u8 *settings_delay_time; /* 1 octet */ 55 const u8 *network_key_shareable; /* 1 octet (Bool) */ 56 const u8 *request_to_enroll; /* 1 octet (Bool) */ 57 const u8 *ap_channel; /* 2 octets */ 58 const u8 *registrar_configuration_methods; /* 2 octets */ 59 60 /* variable length fields */ 61 const u8 *manufacturer; 62 const u8 *model_name; 63 const u8 *model_number; 64 const u8 *serial_number; 65 const u8 *dev_name; 66 const u8 *public_key; 67 const u8 *encr_settings; 68 const u8 *ssid; /* <= 32 octets */ 69 const u8 *network_key; /* <= 64 octets */ 70 const u8 *authorized_macs; /* <= 30 octets */ 71 const u8 *sec_dev_type_list; /* <= 128 octets */ 72 const u8 *oob_dev_password; /* 38..54 octets */ 73 u16 manufacturer_len; 74 u16 model_name_len; 75 u16 model_number_len; 76 u16 serial_number_len; 77 u16 dev_name_len; 78 u16 public_key_len; 79 u16 encr_settings_len; 80 u16 ssid_len; 81 u16 network_key_len; 82 u16 authorized_macs_len; 83 u16 sec_dev_type_list_len; 84 u16 oob_dev_password_len; 85 86 /* attributes that can occur multiple times */ 87#define MAX_CRED_COUNT 10 88#define MAX_REQ_DEV_TYPE_COUNT 10 89 90 unsigned int num_cred; 91 unsigned int num_req_dev_type; 92 unsigned int num_vendor_ext; 93 94 u16 cred_len[MAX_CRED_COUNT]; 95 u16 vendor_ext_len[MAX_WPS_PARSE_VENDOR_EXT]; 96 97 const u8 *cred[MAX_CRED_COUNT]; 98 const u8 *req_dev_type[MAX_REQ_DEV_TYPE_COUNT]; 99 const u8 *vendor_ext[MAX_WPS_PARSE_VENDOR_EXT]; 100 u8 multi_ap_ext; 101}; 102 103int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr); 104 105#endif /* WPS_ATTR_PARSE_H */ 106