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/*
* wpa_supplicant - Internal definitions
* Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef WPA_SUPPLICANT_I_H
#define WPA_SUPPLICANT_I_H
#include "driver.h"
struct wpa_blacklist {
struct wpa_blacklist *next;
u8 bssid[ETH_ALEN];
int count;
};
struct wpa_scan_result;
struct wpa_sm;
struct wpa_supplicant;
/*
* Forward declarations of private structures used within the ctrl_iface
* backends. Other parts of wpa_supplicant do not have access to data stored in
* these structures.
*/
struct ctrl_iface_priv;
struct ctrl_iface_global_priv;
struct ctrl_iface_dbus_priv;
/**
* struct wpa_interface - Parameters for wpa_supplicant_add_iface()
*/
struct wpa_interface {
/**
* confname - Configuration name (file or profile) name
*
* This can also be %NULL when a configuration file is not used. In
* that case, ctrl_interface must be set to allow the interface to be
* configured.
*/
const char *confname;
/**
* ctrl_interface - Control interface parameter
*
* If a configuration file is not used, this variable can be used to
* set the ctrl_interface parameter that would have otherwise been read
* from the configuration file. If both confname and ctrl_interface are
* set, ctrl_interface is used to override the value from configuration
* file.
*/
const char *ctrl_interface;
/**
* driver - Driver interface name, or %NULL to use the default driver
*/
const char *driver;
/**
* driver_param - Driver interface parameters
*
* If a configuration file is not used, this variable can be used to
* set the driver_param parameters that would have otherwise been read
* from the configuration file. If both confname and driver_param are
* set, driver_param is used to override the value from configuration
* file.
*/
const char *driver_param;
/**
* ifname - Interface name
*/
const char *ifname;
/**
* bridge_ifname - Optional bridge interface name
*
* If the driver interface (ifname) is included in a Linux bridge
* device, the bridge interface may need to be used for receiving EAPOL
* frames. This can be enabled by setting this variable to enable
* receiving of EAPOL frames from an additional interface.
*/
const char *bridge_ifname;
};
/**
* struct wpa_params - Parameters for wpa_supplicant_init()
*/
struct wpa_params {
/**
* daemonize - Run %wpa_supplicant in the background
*/
int daemonize;
/**
* wait_for_interface - Wait for the network interface to appear
*
* If set, %wpa_supplicant will wait until all the configured network
* interfaces are available before starting processing. Please note
* that in many cases, a better alternative would be to start
* %wpa_supplicant without network interfaces and add the interfaces
* dynamically whenever they become available.
*/
int wait_for_interface;
/**
* wait_for_monitor - Wait for a monitor program before starting
*/
int wait_for_monitor;
/**
* pid_file - Path to a PID (process ID) file
*
* If this and daemonize are set, process ID of the background process
* will be written to the specified file.
*/
char *pid_file;
/**
* wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
*/
int wpa_debug_level;
/**
* wpa_debug_show_keys - Whether keying material is included in debug
*
* This parameter can be used to allow keying material to be included
* in debug messages. This is a security risk and this option should
* not be enabled in normal configuration. If needed during
* development or while troubleshooting, this option can provide more
* details for figuring out what is happening.
*/
int wpa_debug_show_keys;
/**
* wpa_debug_timestamp - Whether to include timestamp in debug messages
*/
int wpa_debug_timestamp;
/**
* ctrl_interface - Global ctrl_iface path/parameter
*/
char *ctrl_interface;
/**
* dbus_ctrl_interface - Enable the DBus control interface
*/
int dbus_ctrl_interface;
/**
* wpa_debug_file_path - Path of debug file or %NULL to use stdout
*/
const char *wpa_debug_file_path;
};
/**
* struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
*
* This structure is initialized by calling wpa_supplicant_init() when starting
* %wpa_supplicant.
*/
struct wpa_global {
struct wpa_supplicant *ifaces;
struct wpa_params params;
struct ctrl_iface_global_priv *ctrl_iface;
struct ctrl_iface_dbus_priv *dbus_ctrl_iface;
};
struct wpa_client_mlme {
#ifdef CONFIG_CLIENT_MLME
enum {
IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
} state;
u8 prev_bssid[ETH_ALEN];
u8 ssid[32];
size_t ssid_len;
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
size_t extra_ie_len;
wpa_key_mgmt key_mgmt;
/* The last AssocReq/Resp IEs */
u8 *assocreq_ies, *assocresp_ies;
size_t assocreq_ies_len, assocresp_ies_len;
int auth_tries, assoc_tries;
unsigned int ssid_set:1;
unsigned int bssid_set:1;
unsigned int prev_bssid_set:1;
unsigned int authenticated:1;
unsigned int associated:1;
unsigned int probereq_poll:1;
unsigned int use_protection:1;
unsigned int create_ibss:1;
unsigned int mixed_cell:1;
unsigned int wmm_enabled:1;
struct os_time last_probe;
#define IEEE80211_AUTH_ALG_OPEN BIT(0)
#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
#define IEEE80211_AUTH_ALG_LEAP BIT(2)
unsigned int auth_algs; /* bitfield of allowed auth algs */
int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
int auth_transaction;
struct os_time ibss_join_req;
u8 *probe_resp; /* ProbeResp template for IBSS */
size_t probe_resp_len;
u32 supp_rates_bits;
int wmm_last_param_set;
int sta_scanning;
int scan_hw_mode_idx;
int scan_channel_idx;
enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
struct os_time last_scan_completed;
int scan_oper_channel;
int scan_oper_freq;
int scan_oper_phymode;
u8 scan_ssid[32];
size_t scan_ssid_len;
int scan_skip_11b;
struct ieee80211_sta_bss *sta_bss_list;
#define STA_HASH_SIZE 256
#define STA_HASH(sta) (sta[5])
struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
int cts_protect_erp_frames;
int phymode; /* current mode; WPA_MODE_IEEE80211A, .. */
struct wpa_hw_modes *modes;
size_t num_modes;
unsigned int hw_modes; /* bitfield of allowed hardware modes;
* (1 << MODE_*) */
int num_curr_rates;
struct wpa_rate_data *curr_rates;
int freq; /* The current frequency in MHz */
int channel; /* The current IEEE 802.11 channel number */
#else /* CONFIG_CLIENT_MLME */
int dummy; /* to keep MSVC happy */
#endif /* CONFIG_CLIENT_MLME */
};
/**
* struct wpa_supplicant - Internal data for wpa_supplicant interface
*
* This structure contains the internal data for core wpa_supplicant code. This
* should be only used directly from the core code. However, a pointer to this
* data is used from other files as an arbitrary context pointer in calls to
* core functions.
*/
struct wpa_supplicant {
struct wpa_global *global;
struct wpa_supplicant *next;
struct l2_packet_data *l2;
struct l2_packet_data *l2_br;
unsigned char own_addr[ETH_ALEN];
char ifname[100];
#ifdef CONFIG_CTRL_IFACE_DBUS
char *dbus_path;
#endif /* CONFIG_CTRL_IFACE_DBUS */
char bridge_ifname[16];
char *confname;
struct wpa_config *conf;
int countermeasures;
os_time_t last_michael_mic_error;
u8 bssid[ETH_ALEN];
u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
* field contains the targer BSSID. */
int reassociate; /* reassociation requested */
int disconnected; /* all connections disabled; i.e., do no reassociate
* before this has been cleared */
struct wpa_ssid *current_ssid;
/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
int pairwise_cipher;
int group_cipher;
int key_mgmt;
int mgmt_group_cipher;
void *drv_priv; /* private data used by driver_ops */
struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
* NULL = not yet initialized (start
* with broadcast SSID)
* BROADCAST_SSID_SCAN = broadcast
* SSID was used in the previous scan
*/
#define BROADCAST_SSID_SCAN ((struct wpa_ssid *) 1)
struct wpa_scan_result *scan_results;
int num_scan_results;
struct wpa_driver_ops *driver;
int interface_removed; /* whether the network interface has been
* removed */
struct wpa_sm *wpa;
struct eapol_sm *eapol;
struct ctrl_iface_priv *ctrl_iface;
wpa_states wpa_state;
int new_connection;
int reassociated_connection;
int eapol_received; /* number of EAPOL packets received after the
* previous association event */
struct scard_data *scard;
unsigned char last_eapol_src[ETH_ALEN];
int keys_cleared;
struct wpa_blacklist *blacklist;
int scan_req; /* manual scan request; this forces a scan even if there
* are no enabled networks in the configuration */
int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
* results without a new scan request; this is used
* to speed up the first association if the driver
* has already available scan results. */
struct wpa_client_mlme mlme;
int use_client_mlme;
int scan_ongoing; /* scan ongoing or not */
int link_speed; /* current link speed */
int rssi; /* current signal level */
#ifdef ANDROID
int scan_interval; /* time between scans when no APs available */
#endif
};
/* wpa_supplicant.c */
void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
const char * wpa_supplicant_state_txt(int state);
int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s,
int wait_for_interface);
struct wpa_blacklist * wpa_blacklist_get(struct wpa_supplicant *wpa_s,
const u8 *bssid);
int wpa_blacklist_add(struct wpa_supplicant *wpa_s, const u8 *bssid);
void wpa_blacklist_clear(struct wpa_supplicant *wpa_s);
int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
struct wpa_scan_result *bss,
struct wpa_ssid *ssid,
u8 *wpa_ie, size_t *wpa_ie_len);
void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
struct wpa_scan_result *bss,
struct wpa_ssid *ssid);
void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid);
void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
int sec, int usec);
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
int reason_code);
void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
int reason_code);
void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
void wpa_show_license(void);
struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
struct wpa_interface *iface);
int wpa_supplicant_remove_iface(struct wpa_global *global,
struct wpa_supplicant *wpa_s);
struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
const char *ifname);
struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
int wpa_supplicant_run(struct wpa_global *global);
void wpa_supplicant_deinit(struct wpa_global *global);
int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid);
/* events.c */
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
/* driver_ops */
static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
const char *ifname)
{
if (wpa_s->driver->init) {
return wpa_s->driver->init(wpa_s, ifname);
}
return NULL;
}
static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->deinit)
wpa_s->driver->deinit(wpa_s->drv_priv);
}
static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
const char *param)
{
if (wpa_s->driver->set_param)
return wpa_s->driver->set_param(wpa_s->drv_priv, param);
return 0;
}
static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
int enabled)
{
if (wpa_s->driver->set_drop_unencrypted) {
return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
enabled);
}
return -1;
}
static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
int enabled)
{
if (wpa_s->driver->set_countermeasures) {
return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
enabled);
}
return -1;
}
static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
int auth_alg)
{
if (wpa_s->driver->set_auth_alg) {
return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
auth_alg);
}
return -1;
}
static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
{
if (wpa_s->driver->set_wpa) {
return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
}
return 0;
}
static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
struct wpa_driver_associate_params *params)
{
if (wpa_s->driver->associate) {
return wpa_s->driver->associate(wpa_s->drv_priv, params);
}
return -1;
}
static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
size_t ssid_len)
{
if (wpa_s->driver->scan) {
return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
}
return -1;
}
static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
struct wpa_scan_result *results,
size_t max_size)
{
if (wpa_s->driver->get_scan_results) {
return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
results, max_size);
}
return -1;
}
static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
{
if (wpa_s->driver->get_bssid) {
return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
}
return -1;
}
static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
{
if (wpa_s->driver->get_ssid) {
return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
}
return -1;
}
static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, 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)
{
if (wpa_s->driver->set_key) {
wpa_s->keys_cleared = 0;
return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
key_idx, set_tx, seq, seq_len,
key, key_len);
}
return -1;
}
static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
const u8 *addr, int reason_code)
{
if (wpa_s->driver->deauthenticate) {
return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
reason_code);
}
return -1;
}
static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
const u8 *addr, int reason_code)
{
if (wpa_s->driver->disassociate) {
return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
reason_code);
}
return -1;
}
static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
const u8 *bssid, const u8 *pmkid)
{
if (wpa_s->driver->add_pmkid) {
return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
}
return -1;
}
static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
const u8 *bssid, const u8 *pmkid)
{
if (wpa_s->driver->remove_pmkid) {
return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
pmkid);
}
return -1;
}
static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->flush_pmkid) {
return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
}
return -1;
}
static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
struct wpa_driver_capa *capa)
{
if (wpa_s->driver->get_capa) {
return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
}
return -1;
}
static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->poll) {
wpa_s->driver->poll(wpa_s->drv_priv);
}
}
static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->get_ifname) {
return wpa_s->driver->get_ifname(wpa_s->drv_priv);
}
return NULL;
}
static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->get_mac_addr) {
return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
}
return NULL;
}
static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
const u8 *dst, u16 proto,
const u8 *data, size_t data_len)
{
if (wpa_s->driver->send_eapol)
return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
data, data_len);
return -1;
}
static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
int state)
{
if (wpa_s->driver->set_operstate)
return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
return 0;
}
static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
const u8 *addr, int protect_type,
int key_type)
{
if (wpa_s->driver->mlme_setprotection)
return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
protect_type,
key_type);
return 0;
}
static inline struct wpa_hw_modes *
wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
u16 *flags)
{
if (wpa_s->driver->get_hw_feature_data)
return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
num_modes, flags);
return NULL;
}
static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
wpa_hw_mode phymode, int chan,
int freq)
{
if (wpa_s->driver->set_channel)
return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
chan, freq);
return -1;
}
static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
const u8 *ssid, size_t ssid_len)
{
if (wpa_s->driver->set_ssid) {
return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
ssid_len);
}
return -1;
}
static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
const u8 *bssid)
{
if (wpa_s->driver->set_bssid) {
return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
}
return -1;
}
static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
const u8 *data, size_t data_len)
{
if (wpa_s->driver->send_mlme)
return wpa_s->driver->send_mlme(wpa_s->drv_priv,
data, data_len);
return -1;
}
static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
const u8 *addr, const u8 *supp_rates,
size_t supp_rates_len)
{
if (wpa_s->driver->mlme_add_sta)
return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
supp_rates, supp_rates_len);
return -1;
}
static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
const u8 *addr)
{
if (wpa_s->driver->mlme_remove_sta)
return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
return -1;
}
static inline int wpa_drv_driver_cmd(struct wpa_supplicant *wpa_s,
char *cmd, char *buf, size_t buf_len)
{
if (wpa_s->driver->driver_cmd)
return wpa_s->driver->driver_cmd(wpa_s->drv_priv, cmd, buf, buf_len);
return -1;
}
#endif /* WPA_SUPPLICANT_I_H */
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