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      1 /*
      2  * Wi-Fi Protected Setup - attribute parsing
      3  * Copyright (c) 2008-2012, Jouni Malinen <j (at) 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 
     14 struct 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 	size_t manufacturer_len;
     63 	const u8 *model_name;
     64 	size_t model_name_len;
     65 	const u8 *model_number;
     66 	size_t model_number_len;
     67 	const u8 *serial_number;
     68 	size_t serial_number_len;
     69 	const u8 *dev_name;
     70 	size_t dev_name_len;
     71 	const u8 *public_key;
     72 	size_t public_key_len;
     73 	const u8 *encr_settings;
     74 	size_t encr_settings_len;
     75 	const u8 *ssid; /* <= 32 octets */
     76 	size_t ssid_len;
     77 	const u8 *network_key; /* <= 64 octets */
     78 	size_t network_key_len;
     79 	const u8 *authorized_macs; /* <= 30 octets */
     80 	size_t authorized_macs_len;
     81 	const u8 *sec_dev_type_list; /* <= 128 octets */
     82 	size_t sec_dev_type_list_len;
     83 	const u8 *oob_dev_password; /* 38..54 octets */
     84 	size_t oob_dev_password_len;
     85 
     86 	/* attributes that can occur multiple times */
     87 #define MAX_CRED_COUNT 10
     88 	const u8 *cred[MAX_CRED_COUNT];
     89 	size_t cred_len[MAX_CRED_COUNT];
     90 	size_t num_cred;
     91 
     92 #define MAX_REQ_DEV_TYPE_COUNT 10
     93 	const u8 *req_dev_type[MAX_REQ_DEV_TYPE_COUNT];
     94 	size_t num_req_dev_type;
     95 
     96 	const u8 *vendor_ext[MAX_WPS_PARSE_VENDOR_EXT];
     97 	size_t vendor_ext_len[MAX_WPS_PARSE_VENDOR_EXT];
     98 	size_t num_vendor_ext;
     99 };
    100 
    101 int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr);
    102 
    103 #endif /* WPS_ATTR_PARSE_H */
    104