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https://github.com/vanhoefm/fragattacks.git
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afc064fe7a
Add mechanism for using GAS/ANQP to query Interworking related information from APs. The received information is stored in the BSS table and can be viewed with ctrl_iface BSS command. New ctrl_iface command ANQP_GET can be used to fetch ANQP elements from a specific AP. Additional commands FETCH_ANQP and STOP_FETCH_ANQP can be used to initiate and stop an iteration through all APs in the BSS table that indicate support Interworking to fetch ANQP elements from them.
106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/*
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* BSS table
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* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef BSS_H
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#define BSS_H
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struct wpa_scan_res;
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#define WPA_BSS_QUAL_INVALID BIT(0)
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#define WPA_BSS_NOISE_INVALID BIT(1)
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#define WPA_BSS_LEVEL_INVALID BIT(2)
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#define WPA_BSS_LEVEL_DBM BIT(3)
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#define WPA_BSS_AUTHENTICATED BIT(4)
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#define WPA_BSS_ASSOCIATED BIT(5)
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#define WPA_BSS_ANQP_FETCH_TRIED BIT(6)
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/**
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* struct wpa_bss - BSS table
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* @list: List entry for struct wpa_supplicant::bss
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* @list_id: List entry for struct wpa_supplicant::bss_id
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* @id: Unique identifier for this BSS entry
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* @scan_miss_count: Number of counts without seeing this BSS
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* @flags: information flags about the BSS/IBSS (WPA_BSS_*)
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* @last_update_idx: Index of the last scan update
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* @bssid: BSSID
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* @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
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* @beacon_int: beacon interval in TUs (host byte order)
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* @caps: capability information field in host byte order
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* @qual: signal quality
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* @noise: noise level
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* @level: signal level
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* @tsf: Timestamp of last Beacon/Probe Response frame
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* @last_update: Time of the last update (i.e., Beacon or Probe Response RX)
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* @ie_len: length of the following IE field in octets (from Probe Response)
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* @beacon_ie_len: length of the following Beacon IE field in octets
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*
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* This structure is used to store information about neighboring BSSes in
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* generic format. It is mainly updated based on scan results from the driver.
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*/
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struct wpa_bss {
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struct dl_list list;
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struct dl_list list_id;
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unsigned int id;
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unsigned int scan_miss_count;
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unsigned int last_update_idx;
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unsigned int flags;
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u8 bssid[ETH_ALEN];
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u8 ssid[32];
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size_t ssid_len;
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int freq;
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u16 beacon_int;
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u16 caps;
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int qual;
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int noise;
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int level;
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u64 tsf;
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struct os_time last_update;
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#ifdef CONFIG_INTERWORKING
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struct wpabuf *anqp_venue_name;
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struct wpabuf *anqp_network_auth_type;
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struct wpabuf *anqp_roaming_consortium;
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struct wpabuf *anqp_ip_addr_type_availability;
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struct wpabuf *anqp_nai_realm;
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struct wpabuf *anqp_3gpp;
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struct wpabuf *anqp_domain_name;
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#endif /* CONFIG_INTERWORKING */
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size_t ie_len;
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size_t beacon_ie_len;
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/* followed by ie_len octets of IEs */
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/* followed by beacon_ie_len octets of IEs */
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};
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void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
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void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
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struct wpa_scan_res *res);
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void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
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int new_scan);
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int wpa_bss_init(struct wpa_supplicant *wpa_s);
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void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
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void wpa_bss_flush(struct wpa_supplicant *wpa_s);
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void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
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struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
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const u8 *ssid, size_t ssid_len);
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struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
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const u8 *bssid);
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struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
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const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
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const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
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struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
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u32 vendor_type);
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int wpa_bss_get_max_rate(const struct wpa_bss *bss);
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int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
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#endif /* BSS_H */
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