/* * wpa_supplicant - Internal definitions * Copyright (c) 2003-2007, 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 "drivers/driver.h" extern const char *wpa_supplicant_version; extern const char *wpa_supplicant_license; #ifndef CONFIG_NO_STDOUT_DEBUG extern const char *wpa_supplicant_full_license1; extern const char *wpa_supplicant_full_license2; extern const char *wpa_supplicant_full_license3; extern const char *wpa_supplicant_full_license4; extern const char *wpa_supplicant_full_license5; #endif /* CONFIG_NO_STDOUT_DEBUG */ extern struct wpa_driver_ops *wpa_supplicant_drivers[]; 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_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; void **drv_priv; size_t drv_count; }; 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; u8 *extra_probe_ie; /* to be added to the end of ProbeReq */ size_t extra_probe_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 */ #ifdef CONFIG_IEEE80211R u8 current_md[6]; u8 *ft_ies; size_t ft_ies_len; #endif /* CONFIG_IEEE80211R */ #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; int ap_ies_from_associnfo; /* 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 */ void *global_drv_priv; 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_results *scan_res; 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 scanning; 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. */ int scan_runs; /* number of scan runs since WPS was started */ struct wpa_client_mlme mlme; int use_client_mlme; int driver_4way_handshake; int pending_mic_error_report; int pending_mic_error_pairwise; int mic_errors_seen; /* Michael MIC errors with the current PTK */ struct wps_context *wps; int wps_success; /* WPS success event received */ int blacklist_cleared; struct wpabuf *pending_eapol_rx; struct os_time pending_eapol_rx_time; u8 pending_eapol_rx_src[ETH_ALEN]; 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 */ 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 wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s, struct wpa_scan_res *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_res *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_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); /* scan.c */ int wpa_supplicant_enabled_networks(struct wpa_config *conf); void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec); void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s); void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s, int scanning); int wpa_drv_scan(struct wpa_supplicant *wpa_s, struct wpa_ssid **ssid_prt); /* 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->init2) return wpa_s->driver->init2(wpa_s, ifname, wpa_s->global_drv_priv); 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_set_mode(struct wpa_supplicant *wpa_s, int mode) { if (wpa_s->driver->set_mode) { return wpa_s->driver->set_mode(wpa_s->drv_priv, mode); } 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_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 struct wpa_scan_results * wpa_drv_get_scan_results2( struct wpa_supplicant *wpa_s) { if (wpa_s->driver->get_scan_results2) return wpa_s->driver->get_scan_results2(wpa_s->drv_priv); return NULL; } 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_set_country(struct wpa_supplicant *wpa_s, const char *alpha2) { if (wpa_s->driver->set_country) return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2); return 0; } 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_update_ft_ies(struct wpa_supplicant *wpa_s, const u8 *md, const u8 *ies, size_t ies_len) { if (wpa_s->driver->update_ft_ies) return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md, ies, ies_len); return -1; } static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s, u8 action, const u8 *target_ap, const u8 *ies, size_t ies_len) { if (wpa_s->driver->send_ft_action) return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action, target_ap, ies, ies_len); return -1; } static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s, const u8 *ies, size_t ies_len) { if (wpa_s->driver->set_probe_req_ie) return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies, ies_len); return -1; } #ifdef ANDROID 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 #endif /* WPA_SUPPLICANT_I_H */