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           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 
103 int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr);
104 
105 #endif /* WPS_ATTR_PARSE_H */
106