mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-29 18:58:21 -05:00
731723a5bd
This fixes deauth/disassoc frames in secondary BSSes when using multi-BSSID. In addition, it reduces need to dereference struct hostapd_data inside driver wrappers.
1759 lines
59 KiB
C
1759 lines
59 KiB
C
/*
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* WPA Supplicant - driver interface definition
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* Copyright (c) 2003-2009, 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 DRIVER_H
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#define DRIVER_H
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#define WPA_SUPPLICANT_DRIVER_VERSION 3
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#include "defs.h"
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#define HOSTAPD_CHAN_DISABLED 0x00000001
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#define HOSTAPD_CHAN_PASSIVE_SCAN 0x00000002
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#define HOSTAPD_CHAN_NO_IBSS 0x00000004
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#define HOSTAPD_CHAN_RADAR 0x00000008
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struct hostapd_channel_data {
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short chan; /* channel number (IEEE 802.11) */
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short freq; /* frequency in MHz */
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int flag; /* flag for hostapd use (HOSTAPD_CHAN_*) */
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u8 max_tx_power; /* maximum transmit power in dBm */
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};
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#define HOSTAPD_RATE_ERP 0x00000001
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#define HOSTAPD_RATE_BASIC 0x00000002
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#define HOSTAPD_RATE_PREAMBLE2 0x00000004
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#define HOSTAPD_RATE_SUPPORTED 0x00000010
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#define HOSTAPD_RATE_OFDM 0x00000020
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#define HOSTAPD_RATE_CCK 0x00000040
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#define HOSTAPD_RATE_MANDATORY 0x00000100
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struct hostapd_rate_data {
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int rate; /* rate in 100 kbps */
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int flags; /* HOSTAPD_RATE_ flags */
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};
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struct hostapd_hw_modes {
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hostapd_hw_mode mode;
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int num_channels;
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struct hostapd_channel_data *channels;
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int num_rates;
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struct hostapd_rate_data *rates;
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u16 ht_capab;
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};
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#define AUTH_ALG_OPEN_SYSTEM 0x01
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#define AUTH_ALG_SHARED_KEY 0x02
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#define AUTH_ALG_LEAP 0x04
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#define AUTH_ALG_FT 0x08
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#define IEEE80211_MODE_INFRA 0
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#define IEEE80211_MODE_IBSS 1
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#define IEEE80211_MODE_AP 2
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#define IEEE80211_CAP_ESS 0x0001
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#define IEEE80211_CAP_IBSS 0x0002
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#define IEEE80211_CAP_PRIVACY 0x0010
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#define SSID_MAX_WPA_IE_LEN 40
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/**
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* struct wpa_scan_result - Scan results (old structure)
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* @bssid: BSSID
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* @ssid: SSID
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* @ssid_len: length of the ssid
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* @wpa_ie: WPA IE
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* @wpa_ie_len: length of the wpa_ie
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* @rsn_ie: RSN IE
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* @rsn_ie_len: length of the RSN IE
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* @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
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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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* @maxrate: maximum supported rate
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* @mdie_present: Whether MDIE was included in Beacon/ProbeRsp frame
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* @mdie: Mobility domain identifier IE (IEEE 802.11r MDIE) (starting from
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* IE type field)
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* @tsf: Timestamp
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*
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* This structure is used as a generic format for scan results from the
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* driver. Each driver interface implementation is responsible for converting
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* the driver or OS specific scan results into this format.
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*
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* This structure is the old data structure used for scan results. It is
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* obsoleted by the new struct wpa_scan_res structure and the old version is
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* only included for backwards compatibility with existing driver wrapper
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* implementations. New implementations are encouraged to implement for struct
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* wpa_scan_res. The old structure will be removed at some point.
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*/
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struct wpa_scan_result {
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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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u8 wpa_ie[SSID_MAX_WPA_IE_LEN];
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size_t wpa_ie_len;
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u8 rsn_ie[SSID_MAX_WPA_IE_LEN];
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size_t rsn_ie_len;
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int freq;
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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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int maxrate;
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int mdie_present;
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u8 mdie[5];
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u64 tsf;
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};
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#define WPA_SCAN_QUAL_INVALID BIT(0)
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#define WPA_SCAN_NOISE_INVALID BIT(1)
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#define WPA_SCAN_LEVEL_INVALID BIT(2)
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#define WPA_SCAN_LEVEL_DBM BIT(3)
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/**
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* struct wpa_scan_res - Scan result for an BSS/IBSS
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* @flags: information flags about the BSS/IBSS (WPA_SCAN_*)
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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
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* @ie_len: length of the following IE field in octets
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*
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* This structure is used as a generic format for scan results from the
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* driver. Each driver interface implementation is responsible for converting
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* the driver or OS specific scan results into this format.
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*
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* If the driver does not support reporting all IEs, the IE data structure is
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* constructed of the IEs that are available. This field will also need to
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* include SSID in IE format. All drivers are encouraged to be extended to
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* report all IEs to make it easier to support future additions.
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*/
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struct wpa_scan_res {
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unsigned int flags;
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u8 bssid[ETH_ALEN];
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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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size_t ie_len;
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/* followed by ie_len octets of IEs */
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};
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/**
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* struct wpa_scan_results - Scan results
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* @res: Array of pointers to allocated variable length scan result entries
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* @num: Number of entries in the scan result array
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*/
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struct wpa_scan_results {
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struct wpa_scan_res **res;
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size_t num;
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};
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/**
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* struct wpa_interface_info - Network interface information
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* @next: Pointer to the next interface or NULL if this is the last one
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* @ifname: Interface name that can be used with init() or init2()
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* @desc: Human readable adapter description (e.g., vendor/model) or NULL if
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* not available
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* @drv_bame: struct wpa_driver_ops::name (note: unlike other strings, this one
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* is not an allocated copy, i.e., get_interfaces() caller will not free
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* this)
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*/
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struct wpa_interface_info {
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struct wpa_interface_info *next;
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char *ifname;
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char *desc;
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const char *drv_name;
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};
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#define WPAS_MAX_SCAN_SSIDS 4
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/**
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* struct wpa_driver_scan_params - Scan parameters
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* Data for struct wpa_driver_ops::scan2().
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*/
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struct wpa_driver_scan_params {
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/**
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* ssids - SSIDs to scan for
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*/
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struct wpa_driver_scan_ssid {
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/**
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* ssid - specific SSID to scan for (ProbeReq)
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* %NULL or zero-length SSID is used to indicate active scan
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* with wildcard SSID.
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*/
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const u8 *ssid;
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/**
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* ssid_len: Length of the SSID in octets
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*/
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size_t ssid_len;
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} ssids[WPAS_MAX_SCAN_SSIDS];
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/**
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* num_ssids - Number of entries in ssids array
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* Zero indicates a request for a passive scan.
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*/
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size_t num_ssids;
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/**
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* extra_ies - Extra IE(s) to add into Probe Request or %NULL
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*/
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const u8 *extra_ies;
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/**
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* extra_ies_len - Length of extra_ies in octets
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*/
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size_t extra_ies_len;
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/**
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* freqs - Array of frequencies to scan or %NULL for all frequencies
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*
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* The frequency is set in MHz. The array is zero-terminated.
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*/
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int *freqs;
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};
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/**
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* struct wpa_driver_auth_params - Authentication parameters
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* Data for struct wpa_driver_ops::authenticate().
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*/
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struct wpa_driver_auth_params {
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int freq;
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const u8 *bssid;
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const u8 *ssid;
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size_t ssid_len;
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int auth_alg;
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const u8 *ie;
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size_t ie_len;
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const u8 *wep_key[4];
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size_t wep_key_len[4];
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int wep_tx_keyidx;
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};
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/**
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* struct wpa_driver_associate_params - Association parameters
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* Data for struct wpa_driver_ops::associate().
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*/
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struct wpa_driver_associate_params {
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/**
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* bssid - BSSID of the selected AP
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* This can be %NULL, if ap_scan=2 mode is used and the driver is
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* responsible for selecting with which BSS to associate. */
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const u8 *bssid;
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/**
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* ssid - The selected SSID
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*/
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const u8 *ssid;
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size_t ssid_len;
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/**
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* freq - Frequency of the channel the selected AP is using
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* Frequency that the selected AP is using (in MHz as
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* reported in the scan results)
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*/
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int freq;
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/**
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* wpa_ie - WPA information element for (Re)Association Request
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* WPA information element to be included in (Re)Association
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* Request (including information element id and length). Use
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* of this WPA IE is optional. If the driver generates the WPA
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* IE, it can use pairwise_suite, group_suite, and
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* key_mgmt_suite to select proper algorithms. In this case,
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* the driver has to notify wpa_supplicant about the used WPA
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* IE by generating an event that the interface code will
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* convert into EVENT_ASSOCINFO data (see below).
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*
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* When using WPA2/IEEE 802.11i, wpa_ie is used for RSN IE
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* instead. The driver can determine which version is used by
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* looking at the first byte of the IE (0xdd for WPA, 0x30 for
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* WPA2/RSN).
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*
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* When using WPS, wpa_ie is used for WPS IE instead of WPA/RSN IE.
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*/
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const u8 *wpa_ie;
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/**
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* wpa_ie_len - length of the wpa_ie
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*/
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size_t wpa_ie_len;
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/* The selected pairwise/group cipher and key management
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* suites. These are usually ignored if @wpa_ie is used. */
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wpa_cipher pairwise_suite;
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wpa_cipher group_suite;
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wpa_key_mgmt key_mgmt_suite;
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/**
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* auth_alg - Allowed authentication algorithms
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* Bit field of AUTH_ALG_*
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*/
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int auth_alg;
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/**
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* mode - Operation mode (infra/ibss) IEEE80211_MODE_*
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*/
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int mode;
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/**
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* wep_key - WEP keys for static WEP configuration
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*/
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const u8 *wep_key[4];
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/**
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* wep_key_len - WEP key length for static WEP configuration
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*/
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size_t wep_key_len[4];
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/**
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* wep_tx_keyidx - WEP TX key index for static WEP configuration
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*/
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int wep_tx_keyidx;
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/**
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* mgmt_frame_protection - IEEE 802.11w management frame protection
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*/
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enum {
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NO_MGMT_FRAME_PROTECTION,
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MGMT_FRAME_PROTECTION_OPTIONAL,
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MGMT_FRAME_PROTECTION_REQUIRED
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} mgmt_frame_protection;
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/**
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* ft_ies - IEEE 802.11r / FT information elements
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* If the supplicant is using IEEE 802.11r (FT) and has the needed keys
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* for fast transition, this parameter is set to include the IEs that
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* are to be sent in the next FT Authentication Request message.
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* update_ft_ies() handler is called to update the IEs for further
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* FT messages in the sequence.
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*
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* The driver should use these IEs only if the target AP is advertising
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* the same mobility domain as the one included in the MDIE here.
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*
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* In ap_scan=2 mode, the driver can use these IEs when moving to a new
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* AP after the initial association. These IEs can only be used if the
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* target AP is advertising support for FT and is using the same MDIE
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* and SSID as the current AP.
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*
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* The driver is responsible for reporting the FT IEs received from the
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* AP's response using wpa_supplicant_event() with EVENT_FT_RESPONSE
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* type. update_ft_ies() handler will then be called with the FT IEs to
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* include in the next frame in the authentication sequence.
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*/
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const u8 *ft_ies;
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/**
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* ft_ies_len - Length of ft_ies in bytes
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*/
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size_t ft_ies_len;
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/**
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* ft_md - FT Mobility domain (6 octets) (also included inside ft_ies)
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*
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* This value is provided to allow the driver interface easier access
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* to the current mobility domain. This value is set to %NULL if no
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* mobility domain is currently active.
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*/
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const u8 *ft_md;
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/**
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* passphrase - RSN passphrase for PSK
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*
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* This value is made available only for WPA/WPA2-Personal (PSK) and
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* only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
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* the 8..63 character ASCII passphrase, if available. Please note that
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* this can be %NULL if passphrase was not used to generate the PSK. In
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* that case, the psk field must be used to fetch the PSK.
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*/
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const char *passphrase;
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/**
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* psk - RSN PSK (alternative for passphrase for PSK)
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*
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* This value is made available only for WPA/WPA2-Personal (PSK) and
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* only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
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* the 32-octet (256-bit) PSK, if available. The driver wrapper should
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* be prepared to handle %NULL value as an error.
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*/
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const u8 *psk;
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/**
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* drop_unencrypted - Enable/disable unencrypted frame filtering
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*
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* Configure the driver to drop all non-EAPOL frames (both receive and
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* transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
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* still be allowed for key negotiation.
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*/
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int drop_unencrypted;
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};
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/**
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* struct wpa_driver_capa - Driver capability information
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*/
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struct wpa_driver_capa {
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#define WPA_DRIVER_CAPA_KEY_MGMT_WPA 0x00000001
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#define WPA_DRIVER_CAPA_KEY_MGMT_WPA2 0x00000002
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#define WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK 0x00000004
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#define WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK 0x00000008
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#define WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE 0x00000010
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#define WPA_DRIVER_CAPA_KEY_MGMT_FT 0x00000020
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#define WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK 0x00000040
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unsigned int key_mgmt;
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#define WPA_DRIVER_CAPA_ENC_WEP40 0x00000001
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#define WPA_DRIVER_CAPA_ENC_WEP104 0x00000002
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#define WPA_DRIVER_CAPA_ENC_TKIP 0x00000004
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#define WPA_DRIVER_CAPA_ENC_CCMP 0x00000008
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unsigned int enc;
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#define WPA_DRIVER_AUTH_OPEN 0x00000001
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#define WPA_DRIVER_AUTH_SHARED 0x00000002
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#define WPA_DRIVER_AUTH_LEAP 0x00000004
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unsigned int auth;
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/* Driver generated WPA/RSN IE */
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#define WPA_DRIVER_FLAGS_DRIVER_IE 0x00000001
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#define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC 0x00000002
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#define WPA_DRIVER_FLAGS_USER_SPACE_MLME 0x00000004
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/* Driver takes care of RSN 4-way handshake internally; PMK is configured with
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* struct wpa_driver_ops::set_key using alg = WPA_ALG_PMK */
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#define WPA_DRIVER_FLAGS_4WAY_HANDSHAKE 0x00000008
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#define WPA_DRIVER_FLAGS_WIRED 0x00000010
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/* Driver provides separate commands for authentication and association (SME in
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* wpa_supplicant). */
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#define WPA_DRIVER_FLAGS_SME 0x00000020
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/* Driver supports AP mode */
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#define WPA_DRIVER_FLAGS_AP 0x00000040
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unsigned int flags;
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int max_scan_ssids;
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};
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struct ieee80211_rx_status {
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int channel;
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int ssi;
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};
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struct hostapd_data;
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struct hostap_sta_driver_data {
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unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
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unsigned long current_tx_rate;
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unsigned long inactive_msec;
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unsigned long flags;
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unsigned long num_ps_buf_frames;
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unsigned long tx_retry_failed;
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unsigned long tx_retry_count;
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int last_rssi;
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int last_ack_rssi;
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};
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struct hostapd_sta_add_params {
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const u8 *addr;
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u16 aid;
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u16 capability;
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const u8 *supp_rates;
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size_t supp_rates_len;
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int flags;
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u16 listen_interval;
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const struct ht_cap_ie *ht_capabilities;
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};
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struct hostapd_freq_params {
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int mode;
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int freq;
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int channel;
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int ht_enabled;
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int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
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* secondary channel below primary, 1 = HT40
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* enabled, secondary channel above primary */
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};
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enum hostapd_driver_if_type {
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HOSTAPD_IF_VLAN
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};
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struct wpa_init_params {
|
|
const u8 *bssid;
|
|
const char *ifname;
|
|
const u8 *ssid;
|
|
size_t ssid_len;
|
|
const char *test_socket;
|
|
int use_pae_group_addr;
|
|
char **bridge;
|
|
size_t num_bridge;
|
|
};
|
|
|
|
|
|
/**
|
|
* struct wpa_driver_ops - Driver interface API definition
|
|
*
|
|
* This structure defines the API that each driver interface needs to implement
|
|
* for core wpa_supplicant code. All driver specific functionality is captured
|
|
* in this wrapper.
|
|
*/
|
|
struct wpa_driver_ops {
|
|
/** Name of the driver interface */
|
|
const char *name;
|
|
/** One line description of the driver interface */
|
|
const char *desc;
|
|
|
|
/**
|
|
* get_bssid - Get the current BSSID
|
|
* @priv: private driver interface data
|
|
* @bssid: buffer for BSSID (ETH_ALEN = 6 bytes)
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Query kernel driver for the current BSSID and copy it to bssid.
|
|
* Setting bssid to 00:00:00:00:00:00 is recommended if the STA is not
|
|
* associated.
|
|
*/
|
|
int (*get_bssid)(void *priv, u8 *bssid);
|
|
|
|
/**
|
|
* get_ssid - Get the current SSID
|
|
* @priv: private driver interface data
|
|
* @ssid: buffer for SSID (at least 32 bytes)
|
|
*
|
|
* Returns: Length of the SSID on success, -1 on failure
|
|
*
|
|
* Query kernel driver for the current SSID and copy it to ssid.
|
|
* Returning zero is recommended if the STA is not associated.
|
|
*
|
|
* Note: SSID is an array of octets, i.e., it is not nul terminated and
|
|
* can, at least in theory, contain control characters (including nul)
|
|
* and as such, should be processed as binary data, not a printable
|
|
* string.
|
|
*/
|
|
int (*get_ssid)(void *priv, u8 *ssid);
|
|
|
|
/**
|
|
* set_wpa - Enable/disable WPA support (OBSOLETE)
|
|
* @priv: private driver interface data
|
|
* @enabled: 1 = enable, 0 = disable
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Note: This function is included for backwards compatibility. This is
|
|
* called only just after init and just before deinit, so these
|
|
* functions can be used to implement same functionality and the driver
|
|
* interface need not define this function.
|
|
*
|
|
* Configure the kernel driver to enable/disable WPA support. This may
|
|
* be empty function, if WPA support is always enabled. Common
|
|
* configuration items are WPA IE (clearing it when WPA support is
|
|
* disabled), Privacy flag configuration for capability field (note:
|
|
* this the value need to set in associate handler to allow plaintext
|
|
* mode to be used) when trying to associate with, roaming mode (can
|
|
* allow wpa_supplicant to control roaming if ap_scan=1 is used;
|
|
* however, drivers can also implement roaming if desired, especially
|
|
* ap_scan=2 mode is used for this).
|
|
*/
|
|
int (*set_wpa)(void *priv, int enabled);
|
|
|
|
/**
|
|
* set_key - Configure encryption key
|
|
* @priv: private driver interface data
|
|
* @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
|
|
* %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK);
|
|
* %WPA_ALG_NONE clears the key.
|
|
* @addr: address of the peer STA or ff:ff:ff:ff:ff:ff for
|
|
* broadcast/default keys
|
|
* @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
|
|
* IGTK
|
|
* @set_tx: configure this key as the default Tx key (only used when
|
|
* driver does not support separate unicast/individual key
|
|
* @seq: sequence number/packet number, seq_len octets, the next
|
|
* packet number to be used for in replay protection; configured
|
|
* for Rx keys (in most cases, this is only used with broadcast
|
|
* keys and set to zero for unicast keys)
|
|
* @seq_len: length of the seq, depends on the algorithm:
|
|
* TKIP: 6 octets, CCMP: 6 octets, IGTK: 6 octets
|
|
* @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
|
|
* 8-byte Rx Mic Key
|
|
* @key_len: length of the key buffer in octets (WEP: 5 or 13,
|
|
* TKIP: 32, CCMP: 16, IGTK: 16)
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Configure the given key for the kernel driver. If the driver
|
|
* supports separate individual keys (4 default keys + 1 individual),
|
|
* addr can be used to determine whether the key is default or
|
|
* individual. If only 4 keys are supported, the default key with key
|
|
* index 0 is used as the individual key. STA must be configured to use
|
|
* it as the default Tx key (set_tx is set) and accept Rx for all the
|
|
* key indexes. In most cases, WPA uses only key indexes 1 and 2 for
|
|
* broadcast keys, so key index 0 is available for this kind of
|
|
* configuration.
|
|
*
|
|
* Please note that TKIP keys include separate TX and RX MIC keys and
|
|
* some drivers may expect them in different order than wpa_supplicant
|
|
* is using. If the TX/RX keys are swapped, all TKIP encrypted packets
|
|
* will tricker Michael MIC errors. This can be fixed by changing the
|
|
* order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
|
|
* in driver_*.c set_key() implementation, see driver_ndis.c for an
|
|
* example on how this can be done.
|
|
*/
|
|
int (*set_key)(void *priv, wpa_alg alg, const u8 *addr,
|
|
int key_idx, int set_tx, const u8 *seq, size_t seq_len,
|
|
const u8 *key, size_t key_len);
|
|
|
|
/**
|
|
* init - Initialize driver interface
|
|
* @ctx: context to be used when calling wpa_supplicant functions,
|
|
* e.g., wpa_supplicant_event()
|
|
* @ifname: interface name, e.g., wlan0
|
|
*
|
|
* Returns: Pointer to private data, %NULL on failure
|
|
*
|
|
* Initialize driver interface, including event processing for kernel
|
|
* driver events (e.g., associated, scan results, Michael MIC failure).
|
|
* This function can allocate a private configuration data area for
|
|
* @ctx, file descriptor, interface name, etc. information that may be
|
|
* needed in future driver operations. If this is not used, non-NULL
|
|
* value will need to be returned because %NULL is used to indicate
|
|
* failure. The returned value will be used as 'void *priv' data for
|
|
* all other driver_ops functions.
|
|
*
|
|
* The main event loop (eloop.c) of wpa_supplicant can be used to
|
|
* register callback for read sockets (eloop_register_read_sock()).
|
|
*
|
|
* See below for more information about events and
|
|
* wpa_supplicant_event() function.
|
|
*/
|
|
void * (*init)(void *ctx, const char *ifname);
|
|
|
|
/**
|
|
* deinit - Deinitialize driver interface
|
|
* @priv: private driver interface data from init()
|
|
*
|
|
* Shut down driver interface and processing of driver events. Free
|
|
* private data buffer if one was allocated in init() handler.
|
|
*/
|
|
void (*deinit)(void *priv);
|
|
|
|
/**
|
|
* set_param - Set driver configuration parameters
|
|
* @priv: private driver interface data from init()
|
|
* @param: driver specific configuration parameters
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Optional handler for notifying driver interface about configuration
|
|
* parameters (driver_param).
|
|
*/
|
|
int (*set_param)(void *priv, const char *param);
|
|
|
|
/**
|
|
* set_countermeasures - Enable/disable TKIP countermeasures
|
|
* @priv: private driver interface data
|
|
* @enabled: 1 = countermeasures enabled, 0 = disabled
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Configure TKIP countermeasures. When these are enabled, the driver
|
|
* should drop all received and queued frames that are using TKIP.
|
|
*/
|
|
int (*set_countermeasures)(void *priv, int enabled);
|
|
|
|
/**
|
|
* set_drop_unencrypted - Enable/disable unencrypted frame filtering
|
|
* @priv: private driver interface data
|
|
* @enabled: 1 = unencrypted Tx/Rx frames will be dropped, 0 = disabled
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Configure the driver to drop all non-EAPOL frames (both receive and
|
|
* transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
|
|
* still be allowed for key negotiation.
|
|
*
|
|
* This function is deprecated. New driver wrapper implementations
|
|
* should use associate() parameter drop_unencrypted instead.
|
|
*/
|
|
int (*set_drop_unencrypted)(void *priv, int enabled);
|
|
|
|
/**
|
|
* scan - Request the driver to initiate scan (old version)
|
|
* @priv: private driver interface data
|
|
* @ssid: specific SSID to scan for (ProbeReq) or %NULL to scan for
|
|
* all SSIDs (either active scan with wildcard SSID or passive
|
|
* scan)
|
|
* @ssid_len: length of the SSID
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Once the scan results are ready, the driver should report scan
|
|
* results event for wpa_supplicant which will eventually request the
|
|
* results with wpa_driver_get_scan_results().
|
|
*
|
|
* This function is deprecated. New driver wrapper implementations
|
|
* should implement support for scan2().
|
|
*/
|
|
int (*scan)(void *priv, const u8 *ssid, size_t ssid_len);
|
|
|
|
/**
|
|
* get_scan_results - Fetch the latest scan results (old version)
|
|
* @priv: private driver interface data
|
|
* @results: pointer to buffer for scan results
|
|
* @max_size: maximum number of entries (buffer size)
|
|
*
|
|
* Returns: Number of scan result entries used on success, -1 on
|
|
* failure
|
|
*
|
|
* If scan results include more than max_size BSSes, max_size will be
|
|
* returned and the remaining entries will not be included in the
|
|
* buffer.
|
|
*
|
|
* This function is deprecated. New driver wrapper implementations
|
|
* should implement support for get_scan_results2().
|
|
*/
|
|
int (*get_scan_results)(void *priv,
|
|
struct wpa_scan_result *results,
|
|
size_t max_size);
|
|
|
|
/**
|
|
* deauthenticate - Request driver to deauthenticate
|
|
* @priv: private driver interface data
|
|
* @addr: peer address (BSSID of the AP)
|
|
* @reason_code: 16-bit reason code to be sent in the deauthentication
|
|
* frame
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int (*deauthenticate)(void *priv, const u8 *addr, int reason_code);
|
|
|
|
/**
|
|
* disassociate - Request driver to disassociate
|
|
* @priv: private driver interface data
|
|
* @addr: peer address (BSSID of the AP)
|
|
* @reason_code: 16-bit reason code to be sent in the disassociation
|
|
* frame
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int (*disassociate)(void *priv, const u8 *addr, int reason_code);
|
|
|
|
/**
|
|
* associate - Request driver to associate
|
|
* @priv: private driver interface data
|
|
* @params: association parameters
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int (*associate)(void *priv,
|
|
struct wpa_driver_associate_params *params);
|
|
|
|
/**
|
|
* set_auth_alg - Set IEEE 802.11 authentication algorithm
|
|
* @priv: private driver interface data
|
|
* @auth_alg: bit field of AUTH_ALG_*
|
|
*
|
|
* If the driver supports more than one authentication algorithm at the
|
|
* same time, it should configure all supported algorithms. If not, one
|
|
* algorithm needs to be selected arbitrarily. Open System
|
|
* authentication should be ok for most cases and it is recommended to
|
|
* be used if other options are not supported. Static WEP configuration
|
|
* may also use Shared Key authentication and LEAP requires its own
|
|
* algorithm number. For LEAP, user can make sure that only one
|
|
* algorithm is used at a time by configuring LEAP as the only
|
|
* supported EAP method. This information is also available in
|
|
* associate() params, so set_auth_alg may not be needed in case of
|
|
* most drivers.
|
|
*
|
|
* This function is deprecated. New driver wrapper implementations
|
|
* should use associate() parameter auth_alg instead.
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int (*set_auth_alg)(void *priv, int auth_alg);
|
|
|
|
/**
|
|
* add_pmkid - Add PMKSA cache entry to the driver
|
|
* @priv: private driver interface data
|
|
* @bssid: BSSID for the PMKSA cache entry
|
|
* @pmkid: PMKID for the PMKSA cache entry
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is called when a new PMK is received, as a result of
|
|
* either normal authentication or RSN pre-authentication.
|
|
*
|
|
* If the driver generates RSN IE, i.e., it does not use wpa_ie in
|
|
* associate(), add_pmkid() can be used to add new PMKSA cache entries
|
|
* in the driver. If the driver uses wpa_ie from wpa_supplicant, this
|
|
* driver_ops function does not need to be implemented. Likewise, if
|
|
* the driver does not support WPA, this function is not needed.
|
|
*/
|
|
int (*add_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid);
|
|
|
|
/**
|
|
* remove_pmkid - Remove PMKSA cache entry to the driver
|
|
* @priv: private driver interface data
|
|
* @bssid: BSSID for the PMKSA cache entry
|
|
* @pmkid: PMKID for the PMKSA cache entry
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is called when the supplicant drops a PMKSA cache
|
|
* entry for any reason.
|
|
*
|
|
* If the driver generates RSN IE, i.e., it does not use wpa_ie in
|
|
* associate(), remove_pmkid() can be used to synchronize PMKSA caches
|
|
* between the driver and wpa_supplicant. If the driver uses wpa_ie
|
|
* from wpa_supplicant, this driver_ops function does not need to be
|
|
* implemented. Likewise, if the driver does not support WPA, this
|
|
* function is not needed.
|
|
*/
|
|
int (*remove_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid);
|
|
|
|
/**
|
|
* flush_pmkid - Flush PMKSA cache
|
|
* @priv: private driver interface data
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is called when the supplicant drops all PMKSA cache
|
|
* entries for any reason.
|
|
*
|
|
* If the driver generates RSN IE, i.e., it does not use wpa_ie in
|
|
* associate(), remove_pmkid() can be used to synchronize PMKSA caches
|
|
* between the driver and wpa_supplicant. If the driver uses wpa_ie
|
|
* from wpa_supplicant, this driver_ops function does not need to be
|
|
* implemented. Likewise, if the driver does not support WPA, this
|
|
* function is not needed.
|
|
*/
|
|
int (*flush_pmkid)(void *priv);
|
|
|
|
/**
|
|
* get_capa - Get driver capabilities
|
|
* @priv: private driver interface data
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Get driver/firmware/hardware capabilities.
|
|
*/
|
|
int (*get_capa)(void *priv, struct wpa_driver_capa *capa);
|
|
|
|
/**
|
|
* poll - Poll driver for association information
|
|
* @priv: private driver interface data
|
|
*
|
|
* This is an option callback that can be used when the driver does not
|
|
* provide event mechanism for association events. This is called when
|
|
* receiving WPA EAPOL-Key messages that require association
|
|
* information. The driver interface is supposed to generate associnfo
|
|
* event before returning from this callback function. In addition, the
|
|
* driver interface should generate an association event after having
|
|
* sent out associnfo.
|
|
*/
|
|
void (*poll)(void *priv);
|
|
|
|
/**
|
|
* get_ifname - Get interface name
|
|
* @priv: private driver interface data
|
|
*
|
|
* Returns: Pointer to the interface name. This can differ from the
|
|
* interface name used in init() call. Init() is called first.
|
|
*
|
|
* This optional function can be used to allow the driver interface to
|
|
* replace the interface name with something else, e.g., based on an
|
|
* interface mapping from a more descriptive name.
|
|
*/
|
|
const char * (*get_ifname)(void *priv);
|
|
|
|
/**
|
|
* get_mac_addr - Get own MAC address
|
|
* @priv: private driver interface data
|
|
*
|
|
* Returns: Pointer to own MAC address or %NULL on failure
|
|
*
|
|
* This optional function can be used to get the own MAC address of the
|
|
* device from the driver interface code. This is only needed if the
|
|
* l2_packet implementation for the OS does not provide easy access to
|
|
* a MAC address. */
|
|
const u8 * (*get_mac_addr)(void *priv);
|
|
|
|
/**
|
|
* send_eapol - Optional function for sending EAPOL packets
|
|
* @priv: private driver interface data
|
|
* @dest: Destination MAC address
|
|
* @proto: Ethertype
|
|
* @data: EAPOL packet starting with IEEE 802.1X header
|
|
* @data_len: Size of the EAPOL packet
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This optional function can be used to override l2_packet operations
|
|
* with driver specific functionality. If this function pointer is set,
|
|
* l2_packet module is not used at all and the driver interface code is
|
|
* responsible for receiving and sending all EAPOL packets. The
|
|
* received EAPOL packets are sent to core code by calling
|
|
* wpa_supplicant_rx_eapol(). The driver interface is required to
|
|
* implement get_mac_addr() handler if send_eapol() is used.
|
|
*/
|
|
int (*send_eapol)(void *priv, const u8 *dest, u16 proto,
|
|
const u8 *data, size_t data_len);
|
|
|
|
/**
|
|
* set_operstate - Sets device operating state to DORMANT or UP
|
|
* @priv: private driver interface data
|
|
* @state: 0 = dormant, 1 = up
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This is an optional function that can be used on operating systems
|
|
* that support a concept of controlling network device state from user
|
|
* space applications. This function, if set, gets called with
|
|
* state = 1 when authentication has been completed and with state = 0
|
|
* when connection is lost.
|
|
*/
|
|
int (*set_operstate)(void *priv, int state);
|
|
|
|
/**
|
|
* mlme_setprotection - MLME-SETPROTECTION.request primitive
|
|
* @priv: Private driver interface data
|
|
* @addr: Address of the station for which to set protection (may be
|
|
* %NULL for group keys)
|
|
* @protect_type: MLME_SETPROTECTION_PROTECT_TYPE_*
|
|
* @key_type: MLME_SETPROTECTION_KEY_TYPE_*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This is an optional function that can be used to set the driver to
|
|
* require protection for Tx and/or Rx frames. This uses the layer
|
|
* interface defined in IEEE 802.11i-2004 clause 10.3.22.1
|
|
* (MLME-SETPROTECTION.request). Many drivers do not use explicit
|
|
* set protection operation; instead, they set protection implicitly
|
|
* based on configured keys.
|
|
*/
|
|
int (*mlme_setprotection)(void *priv, const u8 *addr, int protect_type,
|
|
int key_type);
|
|
|
|
/**
|
|
* get_hw_feature_data - Get hardware support data (channels and rates)
|
|
* @priv: Private driver interface data
|
|
* @num_modes: Variable for returning the number of returned modes
|
|
* flags: Variable for returning hardware feature flags
|
|
* Returns: Pointer to allocated hardware data on success or %NULL on
|
|
* failure. Caller is responsible for freeing this.
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant.
|
|
*/
|
|
struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
|
|
u16 *num_modes,
|
|
u16 *flags);
|
|
|
|
/**
|
|
* set_channel - Set channel
|
|
* @priv: Private driver interface data
|
|
* @phymode: HOSTAPD_MODE_IEEE80211B, ..
|
|
* @chan: IEEE 802.11 channel number
|
|
* @freq: Frequency of the channel in MHz
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant.
|
|
*/
|
|
int (*set_channel)(void *priv, hostapd_hw_mode phymode, int chan,
|
|
int freq);
|
|
|
|
/**
|
|
* set_ssid - Set SSID
|
|
* @priv: Private driver interface data
|
|
* @ssid: SSID
|
|
* @ssid_len: SSID length
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant.
|
|
*/
|
|
int (*set_ssid)(void *priv, const u8 *ssid, size_t ssid_len);
|
|
|
|
/**
|
|
* set_bssid - Set BSSID
|
|
* @priv: Private driver interface data
|
|
* @bssid: BSSID
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant.
|
|
*/
|
|
int (*set_bssid)(void *priv, const u8 *bssid);
|
|
|
|
/**
|
|
* send_mlme - Send management frame from MLME
|
|
* @priv: Private driver interface data
|
|
* @data: IEEE 802.11 management frame with IEEE 802.11 header
|
|
* @data_len: Size of the management frame
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant.
|
|
*/
|
|
int (*send_mlme)(void *priv, const u8 *data, size_t data_len);
|
|
|
|
/**
|
|
* mlme_add_sta - Add a STA entry into the driver/netstack
|
|
* @priv: Private driver interface data
|
|
* @addr: MAC address of the STA (e.g., BSSID of the AP)
|
|
* @supp_rates: Supported rate set (from (Re)AssocResp); in IEEE 802.11
|
|
* format (one octet per rate, 1 = 0.5 Mbps)
|
|
* @supp_rates_len: Number of entries in supp_rates
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant. When the MLME code
|
|
* completes association with an AP, this function is called to
|
|
* configure the driver/netstack with a STA entry for data frame
|
|
* processing (TX rate control, encryption/decryption).
|
|
*/
|
|
int (*mlme_add_sta)(void *priv, const u8 *addr, const u8 *supp_rates,
|
|
size_t supp_rates_len);
|
|
|
|
/**
|
|
* mlme_remove_sta - Remove a STA entry from the driver/netstack
|
|
* @priv: Private driver interface data
|
|
* @addr: MAC address of the STA (e.g., BSSID of the AP)
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is only needed for drivers that export MLME
|
|
* (management frame processing) to wpa_supplicant.
|
|
*/
|
|
int (*mlme_remove_sta)(void *priv, const u8 *addr);
|
|
|
|
/**
|
|
* update_ft_ies - Update FT (IEEE 802.11r) IEs
|
|
* @priv: Private driver interface data
|
|
* @md: Mobility domain (2 octets) (also included inside ies)
|
|
* @ies: FT IEs (MDIE, FTIE, ...) or %NULL to remove IEs
|
|
* @ies_len: Length of FT IEs in bytes
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* The supplicant uses this callback to let the driver know that keying
|
|
* material for FT is available and that the driver can use the
|
|
* provided IEs in the next message in FT authentication sequence.
|
|
*
|
|
* This function is only needed for driver that support IEEE 802.11r
|
|
* (Fast BSS Transition).
|
|
*/
|
|
int (*update_ft_ies)(void *priv, const u8 *md, const u8 *ies,
|
|
size_t ies_len);
|
|
|
|
/**
|
|
* send_ft_action - Send FT Action frame (IEEE 802.11r)
|
|
* @priv: Private driver interface data
|
|
* @action: Action field value
|
|
* @target_ap: Target AP address
|
|
* @ies: FT IEs (MDIE, FTIE, ...) (FT Request action frame body)
|
|
* @ies_len: Length of FT IEs in bytes
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* The supplicant uses this callback to request the driver to transmit
|
|
* an FT Action frame (action category 6) for over-the-DS fast BSS
|
|
* transition.
|
|
*/
|
|
int (*send_ft_action)(void *priv, u8 action, const u8 *target_ap,
|
|
const u8 *ies, size_t ies_len);
|
|
|
|
/**
|
|
* get_scan_results2 - Fetch the latest scan results
|
|
* @priv: private driver interface data
|
|
*
|
|
* Returns: Allocated buffer of scan results (caller is responsible for
|
|
* freeing the data structure) on success, NULL on failure
|
|
*/
|
|
struct wpa_scan_results * (*get_scan_results2)(void *priv);
|
|
|
|
/**
|
|
* set_probe_req_ie - Set information element(s) for Probe Request
|
|
* @priv: private driver interface data
|
|
* @ies: Information elements to append or %NULL to remove extra IEs
|
|
* @ies_len: Length of the IE buffer in octets
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int (*set_probe_req_ie)(void *priv, const u8 *ies, size_t ies_len);
|
|
|
|
/**
|
|
* set_mode - Request driver to set the operating mode
|
|
* @priv: private driver interface data
|
|
* @mode: Operation mode (infra/ibss) IEEE80211_MODE_*
|
|
*
|
|
* This handler will be called before any key configuration and call to
|
|
* associate() handler in order to allow the operation mode to be
|
|
* configured as early as possible. This information is also available
|
|
* in associate() params and as such, driver wrappers may not need
|
|
* to implement set_mode() handler.
|
|
*
|
|
* This function is deprecated. New driver wrapper implementations
|
|
* should use associate() parameter mode instead.
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int (*set_mode)(void *priv, int mode);
|
|
|
|
/**
|
|
* set_country - Set country
|
|
* @priv: Private driver interface data
|
|
* @alpha2: country to which to switch to
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is for drivers which support some form
|
|
* of setting a regulatory domain.
|
|
*/
|
|
int (*set_country)(void *priv, const char *alpha2);
|
|
|
|
/**
|
|
* global_init - Global driver initialization
|
|
* Returns: Pointer to private data (global), %NULL on failure
|
|
*
|
|
* This optional function is called to initialize the driver wrapper
|
|
* for global data, i.e., data that applies to all interfaces. If this
|
|
* function is implemented, global_deinit() will also need to be
|
|
* implemented to free the private data. The driver will also likely
|
|
* use init2() function instead of init() to get the pointer to global
|
|
* data available to per-interface initializer.
|
|
*/
|
|
void * (*global_init)(void);
|
|
|
|
/**
|
|
* global_deinit - Global driver deinitialization
|
|
* @priv: private driver global data from global_init()
|
|
*
|
|
* Terminate any global driver related functionality and free the
|
|
* global data structure.
|
|
*/
|
|
void (*global_deinit)(void *priv);
|
|
|
|
/**
|
|
* init2 - Initialize driver interface (with global data)
|
|
* @ctx: context to be used when calling wpa_supplicant functions,
|
|
* e.g., wpa_supplicant_event()
|
|
* @ifname: interface name, e.g., wlan0
|
|
* @global_priv: private driver global data from global_init()
|
|
* Returns: Pointer to private data, %NULL on failure
|
|
*
|
|
* This function can be used instead of init() if the driver wrapper
|
|
* uses global data.
|
|
*/
|
|
void * (*init2)(void *ctx, const char *ifname, void *global_priv);
|
|
|
|
/**
|
|
* get_interfaces - Get information about available interfaces
|
|
* @global_priv: private driver global data from global_init()
|
|
* Returns: Allocated buffer of interface information (caller is
|
|
* responsible for freeing the data structure) on success, NULL on
|
|
* failure
|
|
*/
|
|
struct wpa_interface_info * (*get_interfaces)(void *global_priv);
|
|
|
|
/**
|
|
* scan2 - Request the driver to initiate scan
|
|
* @priv: private driver interface data
|
|
* @params: Scan parameters
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Once the scan results are ready, the driver should report scan
|
|
* results event for wpa_supplicant which will eventually request the
|
|
* results with wpa_driver_get_scan_results2().
|
|
*/
|
|
int (*scan2)(void *priv, struct wpa_driver_scan_params *params);
|
|
|
|
/**
|
|
* authenticate - Request driver to authenticate
|
|
* @priv: private driver interface data
|
|
* @params: authentication parameters
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This is an optional function that can be used with drivers that
|
|
* support separate authentication and association steps, i.e., when
|
|
* wpa_supplicant can act as the SME. If not implemented, associate()
|
|
* function is expected to take care of IEEE 802.11 authentication,
|
|
* too.
|
|
*/
|
|
int (*authenticate)(void *priv,
|
|
struct wpa_driver_auth_params *params);
|
|
|
|
int (*set_beacon)(void *priv, const u8 *head, size_t head_len,
|
|
const u8 *tail, size_t tail_len, int dtim_period);
|
|
|
|
int (*set_beacon_int)(void *priv, int value);
|
|
|
|
void * (*hapd_init)(struct hostapd_data *hapd,
|
|
struct wpa_init_params *params);
|
|
void (*hapd_deinit)(void *priv);
|
|
|
|
/**
|
|
* set_8021x - enable/disable IEEE 802.1X support
|
|
* @ifname: Interface name (for multi-SSID/VLAN support)
|
|
* @priv: driver private data
|
|
* @enabled: 1 = enable, 0 = disable
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* Configure the kernel driver to enable/disable 802.1X support.
|
|
* This may be an empty function if 802.1X support is always enabled.
|
|
*/
|
|
int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
|
|
|
|
/**
|
|
* set_privacy - enable/disable privacy
|
|
* @priv: driver private data
|
|
* @enabled: 1 = privacy enabled, 0 = disabled
|
|
*
|
|
* Return: 0 on success, -1 on failure
|
|
*
|
|
* Configure privacy.
|
|
*/
|
|
int (*set_privacy)(const char *ifname, void *priv, int enabled);
|
|
|
|
int (*hapd_set_key)(const char *ifname, void *priv, wpa_alg alg,
|
|
const u8 *addr, int key_idx, int set_tx,
|
|
const u8 *seq, size_t seq_len,
|
|
const u8 *key, size_t key_len);
|
|
int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
|
|
int idx, u8 *seq);
|
|
int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
|
|
int idx, u8 *seq);
|
|
int (*flush)(void *priv);
|
|
int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
|
|
size_t elem_len);
|
|
|
|
int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
|
|
const u8 *addr);
|
|
int (*hapd_send_eapol)(void *priv, const u8 *addr, const u8 *data,
|
|
size_t data_len, int encrypt,
|
|
const u8 *own_addr);
|
|
int (*sta_deauth)(void *priv, const u8 *own_addr, const u8 *addr,
|
|
int reason);
|
|
int (*sta_disassoc)(void *priv, const u8 *own_addr, const u8 *addr,
|
|
int reason);
|
|
int (*sta_remove)(void *priv, const u8 *addr);
|
|
int (*hapd_get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
|
|
int (*hapd_set_ssid)(const char *ifname, void *priv, const u8 *buf,
|
|
int len);
|
|
int (*hapd_set_countermeasures)(void *priv, int enabled);
|
|
int (*sta_add)(const char *ifname, void *priv,
|
|
struct hostapd_sta_add_params *params);
|
|
int (*get_inact_sec)(void *priv, const u8 *addr);
|
|
int (*sta_clear_stats)(void *priv, const u8 *addr);
|
|
|
|
int (*set_freq)(void *priv, struct hostapd_freq_params *freq);
|
|
int (*set_rts)(void *priv, int rts);
|
|
int (*set_frag)(void *priv, int frag);
|
|
int (*set_retry)(void *priv, int short_retry, int long_retry);
|
|
|
|
int (*sta_set_flags)(void *priv, const u8 *addr,
|
|
int total_flags, int flags_or, int flags_and);
|
|
int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
|
|
int mode);
|
|
int (*set_ieee80211d)(void *priv, int enabled);
|
|
int (*hapd_set_beacon)(const char *ifname, void *priv,
|
|
const u8 *head, size_t head_len,
|
|
const u8 *tail, size_t tail_len,
|
|
int dtim_period);
|
|
|
|
/* Configure internal bridge:
|
|
* 0 = disabled, i.e., client separation is enabled (no bridging of
|
|
* packets between associated STAs
|
|
* 1 = enabled, i.e., bridge packets between associated STAs (default)
|
|
*/
|
|
int (*set_internal_bridge)(void *priv, int value);
|
|
/* Configure broadcast SSID mode:
|
|
* 0 = include SSID in Beacon frames and reply to Probe Request frames
|
|
* that use broadcast SSID
|
|
* 1 = hide SSID from Beacon frames and ignore Probe Request frames for
|
|
* broadcast SSID
|
|
*/
|
|
int (*set_broadcast_ssid)(void *priv, int value);
|
|
int (*set_cts_protect)(void *priv, int value);
|
|
int (*set_preamble)(void *priv, int value);
|
|
int (*set_short_slot_time)(void *priv, int value);
|
|
int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
|
|
int cw_max, int burst_time);
|
|
int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
|
|
int (*bss_remove)(void *priv, const char *ifname);
|
|
int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
|
|
int (*passive_scan)(void *priv, int now, int our_mode_only,
|
|
int interval, int _listen, int *channel,
|
|
int *last_rx);
|
|
int (*if_add)(const char *iface, void *priv,
|
|
enum hostapd_driver_if_type type, char *ifname,
|
|
const u8 *addr);
|
|
int (*if_update)(void *priv, enum hostapd_driver_if_type type,
|
|
char *ifname, const u8 *addr);
|
|
int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
|
|
const char *ifname, const u8 *addr);
|
|
int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
|
|
int vlan_id);
|
|
/**
|
|
* commit - Optional commit changes handler
|
|
* @priv: driver private data
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This optional handler function can be registered if the driver
|
|
* interface implementation needs to commit changes (e.g., by setting
|
|
* network interface up) at the end of initial configuration. If set,
|
|
* this handler will be called after initial setup has been completed.
|
|
*/
|
|
int (*commit)(void *priv);
|
|
|
|
int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
|
|
const u8 *data, size_t data_len);
|
|
|
|
int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
|
|
u32 session_timeout);
|
|
int (*set_radius_acl_expire)(void *priv, const u8 *mac);
|
|
|
|
int (*set_ht_params)(const char *ifname, void *priv,
|
|
const u8 *ht_capab, size_t ht_capab_len,
|
|
const u8 *ht_oper, size_t ht_oper_len);
|
|
|
|
int (*set_wps_beacon_ie)(const char *ifname, void *priv,
|
|
const u8 *ie, size_t len);
|
|
int (*set_wps_probe_resp_ie)(const char *ifname, void *priv,
|
|
const u8 *ie, size_t len);
|
|
};
|
|
|
|
/**
|
|
* enum wpa_event_type - Event type for wpa_supplicant_event() calls
|
|
*/
|
|
typedef enum wpa_event_type {
|
|
/**
|
|
* EVENT_ASSOC - Association completed
|
|
*
|
|
* This event needs to be delivered when the driver completes IEEE
|
|
* 802.11 association or reassociation successfully.
|
|
* wpa_driver_ops::get_bssid() is expected to provide the current BSSID
|
|
* after this event has been generated. In addition, optional
|
|
* EVENT_ASSOCINFO may be generated just before EVENT_ASSOC to provide
|
|
* more information about the association. If the driver interface gets
|
|
* both of these events at the same time, it can also include the
|
|
* assoc_info data in EVENT_ASSOC call.
|
|
*/
|
|
EVENT_ASSOC,
|
|
|
|
/**
|
|
* EVENT_DISASSOC - Association lost
|
|
*
|
|
* This event should be called when association is lost either due to
|
|
* receiving deauthenticate or disassociate frame from the AP or when
|
|
* sending either of these frames to the current AP. If the driver
|
|
* supports separate deauthentication event, EVENT_DISASSOC should only
|
|
* be used for disassociation and EVENT_DEAUTH for deauthentication.
|
|
*/
|
|
EVENT_DISASSOC,
|
|
|
|
/**
|
|
* EVENT_MICHAEL_MIC_FAILURE - Michael MIC (TKIP) detected
|
|
*
|
|
* This event must be delivered when a Michael MIC error is detected by
|
|
* the local driver. Additional data for event processing is
|
|
* provided with union wpa_event_data::michael_mic_failure. This
|
|
* information is used to request new encyption key and to initiate
|
|
* TKIP countermeasures if needed.
|
|
*/
|
|
EVENT_MICHAEL_MIC_FAILURE,
|
|
|
|
/**
|
|
* EVENT_SCAN_RESULTS - Scan results available
|
|
*
|
|
* This event must be called whenever scan results are available to be
|
|
* fetched with struct wpa_driver_ops::get_scan_results(). This event
|
|
* is expected to be used some time after struct wpa_driver_ops::scan()
|
|
* is called. If the driver provides an unsolicited event when the scan
|
|
* has been completed, this event can be used to trigger
|
|
* EVENT_SCAN_RESULTS call. If such event is not available from the
|
|
* driver, the driver wrapper code is expected to use a registered
|
|
* timeout to generate EVENT_SCAN_RESULTS call after the time that the
|
|
* scan is expected to be completed.
|
|
*/
|
|
EVENT_SCAN_RESULTS,
|
|
|
|
/**
|
|
* EVENT_ASSOCINFO - Report optional extra information for association
|
|
*
|
|
* This event can be used to report extra association information for
|
|
* EVENT_ASSOC processing. This extra information includes IEs from
|
|
* association frames and Beacon/Probe Response frames in union
|
|
* wpa_event_data::assoc_info. EVENT_ASSOCINFO must be send just before
|
|
* EVENT_ASSOC. Alternatively, the driver interface can include
|
|
* assoc_info data in the EVENT_ASSOC call if it has all the
|
|
* information available at the same point.
|
|
*/
|
|
EVENT_ASSOCINFO,
|
|
|
|
/**
|
|
* EVENT_INTERFACE_STATUS - Report interface status changes
|
|
*
|
|
* This optional event can be used to report changes in interface
|
|
* status (interface added/removed) using union
|
|
* wpa_event_data::interface_status. This can be used to trigger
|
|
* wpa_supplicant to stop and re-start processing for the interface,
|
|
* e.g., when a cardbus card is ejected/inserted.
|
|
*/
|
|
EVENT_INTERFACE_STATUS,
|
|
|
|
/**
|
|
* EVENT_PMKID_CANDIDATE - Report a candidate AP for pre-authentication
|
|
*
|
|
* This event can be used to inform wpa_supplicant about candidates for
|
|
* RSN (WPA2) pre-authentication. If wpa_supplicant is not responsible
|
|
* for scan request (ap_scan=2 mode), this event is required for
|
|
* pre-authentication. If wpa_supplicant is performing scan request
|
|
* (ap_scan=1), this event is optional since scan results can be used
|
|
* to add pre-authentication candidates. union
|
|
* wpa_event_data::pmkid_candidate is used to report the BSSID of the
|
|
* candidate and priority of the candidate, e.g., based on the signal
|
|
* strength, in order to try to pre-authenticate first with candidates
|
|
* that are most likely targets for re-association.
|
|
*
|
|
* EVENT_PMKID_CANDIDATE can be called whenever the driver has updates
|
|
* on the candidate list. In addition, it can be called for the current
|
|
* AP and APs that have existing PMKSA cache entries. wpa_supplicant
|
|
* will automatically skip pre-authentication in cases where a valid
|
|
* PMKSA exists. When more than one candidate exists, this event should
|
|
* be generated once for each candidate.
|
|
*
|
|
* Driver will be notified about successful pre-authentication with
|
|
* struct wpa_driver_ops::add_pmkid() calls.
|
|
*/
|
|
EVENT_PMKID_CANDIDATE,
|
|
|
|
/**
|
|
* EVENT_STKSTART - Request STK handshake (MLME-STKSTART.request)
|
|
*
|
|
* This event can be used to inform wpa_supplicant about desire to set
|
|
* up secure direct link connection between two stations as defined in
|
|
* IEEE 802.11e with a new PeerKey mechanism that replaced the original
|
|
* STAKey negotiation. The caller will need to set peer address for the
|
|
* event.
|
|
*/
|
|
EVENT_STKSTART,
|
|
|
|
/**
|
|
* EVENT_FT_RESPONSE - Report FT (IEEE 802.11r) response IEs
|
|
*
|
|
* The driver is expected to report the received FT IEs from
|
|
* FT authentication sequence from the AP. The FT IEs are included in
|
|
* the extra information in union wpa_event_data::ft_ies.
|
|
*/
|
|
EVENT_FT_RESPONSE,
|
|
|
|
/**
|
|
* EVENT_IBSS_RSN_START - Request RSN authentication in IBSS
|
|
*
|
|
* The driver can use this event to inform wpa_supplicant about a STA
|
|
* in an IBSS with which protected frames could be exchanged. This
|
|
* event starts RSN authentication with the other STA to authenticate
|
|
* the STA and set up encryption keys with it.
|
|
*/
|
|
EVENT_IBSS_RSN_START,
|
|
|
|
/**
|
|
* EVENT_AUTH - Authentication result
|
|
*
|
|
* This event should be called when authentication attempt has been
|
|
* completed. This is only used if the driver supports separate
|
|
* authentication step (struct wpa_driver_ops::authenticate).
|
|
* Information about authentication result is included in
|
|
* union wpa_event_data::auth.
|
|
*/
|
|
EVENT_AUTH,
|
|
|
|
/**
|
|
* EVENT_DEAUTH - Authentication lost
|
|
*
|
|
* This event should be called when authentication is lost either due
|
|
* to receiving deauthenticate frame from the AP or when sending that
|
|
* frame to the current AP.
|
|
*/
|
|
EVENT_DEAUTH,
|
|
|
|
/**
|
|
* EVENT_ASSOC_REJECT - Association rejected
|
|
*
|
|
* This event should be called when (re)association attempt has been
|
|
* rejected by the AP. Information about authentication result is
|
|
* included in union wpa_event_data::assoc_reject.
|
|
*/
|
|
EVENT_ASSOC_REJECT
|
|
} wpa_event_type;
|
|
|
|
|
|
/**
|
|
* union wpa_event_data - Additional data for wpa_supplicant_event() calls
|
|
*/
|
|
union wpa_event_data {
|
|
/**
|
|
* struct assoc_info - Data for EVENT_ASSOC and EVENT_ASSOCINFO events
|
|
*
|
|
* This structure is optional for EVENT_ASSOC calls and required for
|
|
* EVENT_ASSOCINFO calls. By using EVENT_ASSOC with this data, the
|
|
* driver interface does not need to generate separate EVENT_ASSOCINFO
|
|
* calls.
|
|
*/
|
|
struct assoc_info {
|
|
/**
|
|
* req_ies - (Re)Association Request IEs
|
|
*
|
|
* If the driver generates WPA/RSN IE, this event data must be
|
|
* returned for WPA handshake to have needed information. If
|
|
* wpa_supplicant-generated WPA/RSN IE is used, this
|
|
* information event is optional.
|
|
*
|
|
* This should start with the first IE (fixed fields before IEs
|
|
* are not included).
|
|
*/
|
|
u8 *req_ies;
|
|
|
|
/**
|
|
* req_ies_len - Length of req_ies in bytes
|
|
*/
|
|
size_t req_ies_len;
|
|
|
|
/**
|
|
* resp_ies - (Re)Association Response IEs
|
|
*
|
|
* Optional association data from the driver. This data is not
|
|
* required WPA, but may be useful for some protocols and as
|
|
* such, should be reported if this is available to the driver
|
|
* interface.
|
|
*
|
|
* This should start with the first IE (fixed fields before IEs
|
|
* are not included).
|
|
*/
|
|
u8 *resp_ies;
|
|
|
|
/**
|
|
* resp_ies_len - Length of resp_ies in bytes
|
|
*/
|
|
size_t resp_ies_len;
|
|
|
|
/**
|
|
* beacon_ies - Beacon or Probe Response IEs
|
|
*
|
|
* Optional Beacon/ProbeResp data: IEs included in Beacon or
|
|
* Probe Response frames from the current AP (i.e., the one
|
|
* that the client just associated with). This information is
|
|
* used to update WPA/RSN IE for the AP. If this field is not
|
|
* set, the results from previous scan will be used. If no
|
|
* data for the new AP is found, scan results will be requested
|
|
* again (without scan request). At this point, the driver is
|
|
* expected to provide WPA/RSN IE for the AP (if WPA/WPA2 is
|
|
* used).
|
|
*
|
|
* This should start with the first IE (fixed fields before IEs
|
|
* are not included).
|
|
*/
|
|
u8 *beacon_ies;
|
|
|
|
/**
|
|
* beacon_ies_len - Length of beacon_ies */
|
|
size_t beacon_ies_len;
|
|
} assoc_info;
|
|
|
|
/**
|
|
* struct michael_mic_failure - Data for EVENT_MICHAEL_MIC_FAILURE
|
|
*/
|
|
struct michael_mic_failure {
|
|
int unicast;
|
|
const u8 *src;
|
|
} michael_mic_failure;
|
|
|
|
/**
|
|
* struct interface_status - Data for EVENT_INTERFACE_STATUS
|
|
*/
|
|
struct interface_status {
|
|
char ifname[100];
|
|
enum {
|
|
EVENT_INTERFACE_ADDED, EVENT_INTERFACE_REMOVED
|
|
} ievent;
|
|
} interface_status;
|
|
|
|
/**
|
|
* struct pmkid_candidate - Data for EVENT_PMKID_CANDIDATE
|
|
*/
|
|
struct pmkid_candidate {
|
|
/** BSSID of the PMKID candidate */
|
|
u8 bssid[ETH_ALEN];
|
|
/** Smaller the index, higher the priority */
|
|
int index;
|
|
/** Whether RSN IE includes pre-authenticate flag */
|
|
int preauth;
|
|
} pmkid_candidate;
|
|
|
|
/**
|
|
* struct stkstart - Data for EVENT_STKSTART
|
|
*/
|
|
struct stkstart {
|
|
u8 peer[ETH_ALEN];
|
|
} stkstart;
|
|
|
|
/**
|
|
* struct ft_ies - FT information elements (EVENT_FT_RESPONSE)
|
|
*
|
|
* During FT (IEEE 802.11r) authentication sequence, the driver is
|
|
* expected to use this event to report received FT IEs (MDIE, FTIE,
|
|
* RSN IE, TIE, possible resource request) to the supplicant. The FT
|
|
* IEs for the next message will be delivered through the
|
|
* struct wpa_driver_ops::update_ft_ies() callback.
|
|
*/
|
|
struct ft_ies {
|
|
const u8 *ies;
|
|
size_t ies_len;
|
|
int ft_action;
|
|
u8 target_ap[ETH_ALEN];
|
|
/** Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request */
|
|
const u8 *ric_ies;
|
|
/** Length of ric_ies buffer in octets */
|
|
size_t ric_ies_len;
|
|
} ft_ies;
|
|
|
|
/**
|
|
* struct ibss_rsn_start - Data for EVENT_IBSS_RSN_START
|
|
*/
|
|
struct ibss_rsn_start {
|
|
u8 peer[ETH_ALEN];
|
|
} ibss_rsn_start;
|
|
|
|
/**
|
|
* struct auth_info - Data for EVENT_AUTH events
|
|
*/
|
|
struct auth_info {
|
|
u8 peer[ETH_ALEN];
|
|
u16 auth_type;
|
|
u16 status_code;
|
|
const u8 *ies;
|
|
size_t ies_len;
|
|
} auth;
|
|
|
|
/**
|
|
* struct assoc_reject - Data for EVENT_ASSOC_REJECT events
|
|
*/
|
|
struct assoc_reject {
|
|
/**
|
|
* resp_ies - (Re)Association Response IEs
|
|
*
|
|
* Optional association data from the driver. This data is not
|
|
* required WPA, but may be useful for some protocols and as
|
|
* such, should be reported if this is available to the driver
|
|
* interface.
|
|
*
|
|
* This should start with the first IE (fixed fields before IEs
|
|
* are not included).
|
|
*/
|
|
u8 *resp_ies;
|
|
|
|
/**
|
|
* resp_ies_len - Length of resp_ies in bytes
|
|
*/
|
|
size_t resp_ies_len;
|
|
|
|
/**
|
|
* status_code - Status Code from (Re)association Response
|
|
*/
|
|
u16 status_code;
|
|
} assoc_reject;
|
|
};
|
|
|
|
/**
|
|
* wpa_supplicant_event - Report a driver event for wpa_supplicant
|
|
* @ctx: Context pointer (wpa_s); this is the ctx variable registered
|
|
* with struct wpa_driver_ops::init()
|
|
* @event: event type (defined above)
|
|
* @data: possible extra data for the event
|
|
*
|
|
* Driver wrapper code should call this function whenever an event is received
|
|
* from the driver.
|
|
*/
|
|
void wpa_supplicant_event(void *ctx, wpa_event_type event,
|
|
union wpa_event_data *data);
|
|
|
|
/**
|
|
* wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
|
|
* @ctx: Context pointer (wpa_s); this is the ctx variable registered
|
|
* with struct wpa_driver_ops::init()
|
|
* @src_addr: Source address of the EAPOL frame
|
|
* @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
|
|
* @len: Length of the EAPOL data
|
|
*
|
|
* This function is called for each received EAPOL frame. Most driver
|
|
* interfaces rely on more generic OS mechanism for receiving frames through
|
|
* l2_packet, but if such a mechanism is not available, the driver wrapper may
|
|
* take care of received EAPOL frames and deliver them to the core supplicant
|
|
* code by calling this function.
|
|
*/
|
|
void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
|
|
const u8 *buf, size_t len);
|
|
|
|
void wpa_supplicant_sta_rx(void *ctx, const u8 *buf, size_t len,
|
|
struct ieee80211_rx_status *rx_status);
|
|
|
|
const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie);
|
|
#define WPA_IE_VENDOR_TYPE 0x0050f201
|
|
#define WPS_IE_VENDOR_TYPE 0x0050f204
|
|
const u8 * wpa_scan_get_vendor_ie(const struct wpa_scan_res *res,
|
|
u32 vendor_type);
|
|
struct wpabuf * wpa_scan_get_vendor_ie_multi(const struct wpa_scan_res *res,
|
|
u32 vendor_type);
|
|
int wpa_scan_get_max_rate(const struct wpa_scan_res *res);
|
|
void wpa_scan_results_free(struct wpa_scan_results *res);
|
|
void wpa_scan_sort_results(struct wpa_scan_results *res);
|
|
|
|
/* hostapd functions for driver wrappers */
|
|
|
|
struct sta_info;
|
|
|
|
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
|
|
int reassoc);
|
|
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
|
|
const u8 *buf, size_t len, int ack);
|
|
void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr);
|
|
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
|
|
const u8 *ie, size_t ielen);
|
|
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
|
|
void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
|
|
const u8 *buf, size_t len);
|
|
|
|
struct hostapd_frame_info {
|
|
u32 phytype;
|
|
u32 channel;
|
|
u32 datarate;
|
|
u32 ssi_signal;
|
|
|
|
unsigned int passive_scan:1;
|
|
};
|
|
|
|
void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
|
|
u16 stype, struct hostapd_frame_info *fi);
|
|
void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
|
|
u16 stype, int ok);
|
|
void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr);
|
|
struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
|
|
const u8 *addr);
|
|
|
|
#endif /* DRIVER_H */
|