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iwd/src/anqputil.h
James Prestwood 2c19085ccd anqp: move ANQP parsers into anqputil
This allows monitor to use the ANQP parser utils without depending
on netdev.
2019-07-15 14:53:44 -05:00

104 lines
3.2 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdbool.h>
#include <stdint.h>
/* IEEE 802.11-2016 Section 9.4.5 ANQP elements */
enum anqp_element {
/* 0-255 reserved */
ANQP_QUERY_LIST = 256,
ANQP_CAPABILITY_LIST = 257,
ANQP_VENUE_NAME = 258,
ANQP_EMERGENCY_CALL_NUMBER = 259,
ANQP_NETWORK_AUTH_TYPE = 260,
ANQP_ROAMING_CONSORTIUM = 261,
ANQP_IP_ADDRESS_TYPE_AVAILABILITY = 262,
ANQP_NAI_REALM = 263,
ANQP_3GPP_CELLULAR_NETWORK = 264,
ANQP_AP_GEOSPATIAL_LOCATION = 265,
ANQP_AP_CIVIC_LOCATION = 266,
ANQP_AP_LOCATION_PUBLIC_ID = 267,
ANQP_DOMAIN_NAME = 268,
ANQP_EMERGENCY_ALERT_ID_URI = 269,
ANQP_TDLS_CAPABILITY = 270,
ANQP_EMERGENCY_NAI = 271,
ANQP_NEIGHBOR_REPORT = 272,
/* 273-276 reserved */
ANQP_VENUE_URI = 277,
ANQP_ADVICE_OF_CHARGE = 278,
ANQP_LOCAL_CONTENT = 279,
ANQP_NETWORK_AUTH_TYPE_WITH_TIMESTAMP = 280,
/* 281-56796 reserved */
ANQP_VENDOR_SPECIFIC = 56797,
/* 56798-65535 reserved */
};
/* WiFi Alliance Hotspot 2.0 Spec - Section 4 Hotspot 2.0 ANQP-elements */
enum anqp_hs20_element {
ANQP_HS20_QUERY_LIST = 1,
ANQP_HS20_CAPABILITY_LIST = 2,
ANQP_HS20_OPERATOR_FRIENDLY_NAME = 3,
ANQP_HS20_WLAN_METRICS = 4,
ANQP_HS20_CONNECTION_CAPABILITY = 5,
ANQP_HS20_NAI_HOME_REALM_QUERY = 6,
ANQP_HS20_OPERATING_CLASS_INDICATION = 7,
ANQP_HS20_OSU_PROVIDERS_LIST = 8,
/* 9 reserved */
ANQP_HS20_ICON_REQUST = 10,
ANQP_HS20_ICON_BINARY_FILE = 11,
ANQP_HS20_OPERATOR_ICON_METADATA = 12,
ANQP_HS20_OSU_PROVIDERS_NAI_LIST = 13,
/* 14 - 255 reserved */
};
/* IEEE 802.11-2016 Table 9-275 Authentication Parameter types */
enum anqp_auth_parameter_type {
ANQP_AP_EXPANDED_EAP_METHOD = 1,
ANQP_AP_NON_INNER_AUTH_EAP = 2,
ANQP_AP_INNER_AUTH_EAP = 3,
ANQP_AP_EXPANDED_INNER_EAP_METHOD = 4,
ANQP_AP_CREDENTIAL = 5,
ANQP_AP_TUNNELED_EAP_CREDENTIAL = 6,
ANQP_AP_VENDOR_SPECIFIC = 221,
};
struct anqp_iter {
unsigned int max;
unsigned int pos;
const unsigned char *anqp;
unsigned int id;
unsigned int len;
const unsigned char *data;
};
void anqp_iter_init(struct anqp_iter *iter, const unsigned char *anqp,
unsigned int len);
bool anqp_iter_next(struct anqp_iter *iter, uint16_t *id, uint16_t *len,
const void **data);
bool anqp_iter_is_hs20(const struct anqp_iter *iter, uint8_t *stype,
unsigned int *len, const unsigned char **data);
bool anqp_hs20_parse_osu_provider_nai(const unsigned char *anqp,
unsigned int len, const char **nai_out);
char **anqp_parse_nai_realms(const unsigned char *anqp, unsigned int len);