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 
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