mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-26 09:18:24 -05:00
947f900fb8
If a link is unreachable, the specification mandates we should send a teardown packet via the AP with a specific teardown reason. Force this by first disabling the link and only then sending the teardown packet for the LOW_ACK event. Rename the TDLS LOW_ACK event handler to better reflect its purpose. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
395 lines
11 KiB
C
395 lines
11 KiB
C
/*
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* wpa_supplicant - WPA definitions
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* Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef WPA_H
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#define WPA_H
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#include "common/defs.h"
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#include "common/eapol_common.h"
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#include "common/wpa_common.h"
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#include "common/ieee802_11_defs.h"
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struct wpa_sm;
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struct eapol_sm;
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struct wpa_config_blob;
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struct wpa_sm_ctx {
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void *ctx; /* pointer to arbitrary upper level context */
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void *msg_ctx; /* upper level context for wpa_msg() calls */
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void (*set_state)(void *ctx, enum wpa_states state);
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enum wpa_states (*get_state)(void *ctx);
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void (*deauthenticate)(void * ctx, int reason_code);
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int (*set_key)(void *ctx, enum wpa_alg alg,
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const u8 *addr, int key_idx, int set_tx,
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const u8 *seq, size_t seq_len,
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const u8 *key, size_t key_len);
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void * (*get_network_ctx)(void *ctx);
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int (*get_bssid)(void *ctx, u8 *bssid);
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int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
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size_t len);
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int (*get_beacon_ie)(void *ctx);
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void (*cancel_auth_timeout)(void *ctx);
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u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len,
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size_t *msg_len, void **data_pos);
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int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
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int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
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void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
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const struct wpa_config_blob * (*get_config_blob)(void *ctx,
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const char *name);
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int (*mlme_setprotection)(void *ctx, const u8 *addr,
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int protection_type, int key_type);
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int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies,
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size_t ies_len);
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int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap,
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const u8 *ies, size_t ies_len);
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int (*mark_authenticated)(void *ctx, const u8 *target_ap);
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#ifdef CONFIG_TDLS
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int (*tdls_get_capa)(void *ctx, int *tdls_supported,
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int *tdls_ext_setup);
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int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
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u8 action_code, u8 dialog_token,
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u16 status_code, u32 peer_capab,
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const u8 *buf, size_t len);
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int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
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int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
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u16 capability, const u8 *supp_rates,
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size_t supp_rates_len,
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const struct ieee80211_ht_capabilities *ht_capab,
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const struct ieee80211_vht_capabilities *vht_capab,
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u8 qosinfo, const u8 *ext_capab,
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size_t ext_capab_len, const u8 *supp_channels,
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size_t supp_channels_len,
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const u8 *supp_oper_classes,
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size_t supp_oper_classes_len);
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#endif /* CONFIG_TDLS */
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void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck,
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const u8 *replay_ctr);
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};
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enum wpa_sm_conf_params {
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RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
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RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
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RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
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WPA_PARAM_PROTO,
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WPA_PARAM_PAIRWISE,
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WPA_PARAM_GROUP,
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WPA_PARAM_KEY_MGMT,
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WPA_PARAM_MGMT_GROUP,
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WPA_PARAM_RSN_ENABLED,
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WPA_PARAM_MFP
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};
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struct rsn_supp_config {
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void *network_ctx;
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int peerkey_enabled;
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int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
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int proactive_key_caching;
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int eap_workaround;
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void *eap_conf_ctx;
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const u8 *ssid;
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size_t ssid_len;
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int wpa_ptk_rekey;
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int p2p;
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};
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#ifndef CONFIG_NO_WPA
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struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
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void wpa_sm_deinit(struct wpa_sm *sm);
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void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
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void wpa_sm_notify_disassoc(struct wpa_sm *sm);
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void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
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void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
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void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
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void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
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void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
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void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
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void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
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const char *bridge_ifname);
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void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
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int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
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int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
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size_t *wpa_ie_len);
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int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
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int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
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int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
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int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
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unsigned int value);
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int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
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int verbose);
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int wpa_sm_pmf_enabled(struct wpa_sm *sm);
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void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
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int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
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struct wpa_ie_data *data);
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void wpa_sm_aborted_cached(struct wpa_sm *sm);
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int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
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const u8 *buf, size_t len);
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int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
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int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
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void wpa_sm_drop_sa(struct wpa_sm *sm);
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int wpa_sm_has_ptk(struct wpa_sm *sm);
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void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
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void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
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int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf);
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#else /* CONFIG_NO_WPA */
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static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
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{
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return (struct wpa_sm *) 1;
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}
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static inline void wpa_sm_deinit(struct wpa_sm *sm)
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{
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}
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static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
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{
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}
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static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
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{
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}
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static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
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size_t pmk_len)
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{
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}
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static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
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{
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}
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static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
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{
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}
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static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
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{
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}
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static inline void wpa_sm_set_config(struct wpa_sm *sm,
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struct rsn_supp_config *config)
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{
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}
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static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
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{
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}
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static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
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const char *bridge_ifname)
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{
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}
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static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
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{
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}
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static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
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size_t len)
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{
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return -1;
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}
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static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
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u8 *wpa_ie,
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size_t *wpa_ie_len)
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{
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return -1;
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}
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static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
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size_t len)
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{
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return -1;
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}
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static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
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size_t len)
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{
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return -1;
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}
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static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
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{
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return 0;
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}
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static inline int wpa_sm_set_param(struct wpa_sm *sm,
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enum wpa_sm_conf_params param,
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unsigned int value)
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{
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return -1;
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}
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static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
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size_t buflen, int verbose)
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{
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return 0;
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}
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static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm)
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{
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return 0;
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}
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static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
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int pairwise)
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{
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}
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static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
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struct wpa_ie_data *data)
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{
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return -1;
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}
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static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
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{
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}
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static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
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const u8 *buf, size_t len)
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{
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return -1;
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}
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static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
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struct wpa_ie_data *data)
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{
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return -1;
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}
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static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
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size_t len)
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{
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return -1;
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}
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static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
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{
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}
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static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
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{
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return 0;
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}
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static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
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const u8 *replay_ctr)
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{
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}
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static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
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void *network_ctx)
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{
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}
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#endif /* CONFIG_NO_WPA */
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#ifdef CONFIG_PEERKEY
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int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
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int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
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const u8 *buf, size_t len);
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#else /* CONFIG_PEERKEY */
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static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
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{
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return -1;
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}
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static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
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const u8 *buf, size_t len)
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{
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return 0;
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}
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#endif /* CONFIG_PEERKEY */
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#ifdef CONFIG_IEEE80211R
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int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
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int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
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int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
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int ft_action, const u8 *target_ap,
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const u8 *ric_ies, size_t ric_ies_len);
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int wpa_ft_is_completed(struct wpa_sm *sm);
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void wpa_reset_ft_completed(struct wpa_sm *sm);
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int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
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size_t ies_len, const u8 *src_addr);
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int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
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const u8 *mdie);
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#else /* CONFIG_IEEE80211R */
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static inline int
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wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
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{
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return 0;
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}
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static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
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const u8 *mdie)
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{
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return 0;
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}
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static inline int
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wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
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int ft_action, const u8 *target_ap)
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{
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return 0;
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}
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static inline int wpa_ft_is_completed(struct wpa_sm *sm)
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{
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return 0;
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}
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static inline void wpa_reset_ft_completed(struct wpa_sm *sm)
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{
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}
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static inline int
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wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
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const u8 *src_addr)
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{
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return -1;
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}
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#endif /* CONFIG_IEEE80211R */
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/* tdls.c */
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void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
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void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
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int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
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void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
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int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
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int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
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int wpa_tdls_init(struct wpa_sm *sm);
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void wpa_tdls_teardown_peers(struct wpa_sm *sm);
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void wpa_tdls_deinit(struct wpa_sm *sm);
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void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
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void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr);
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const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr);
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int wpa_tdls_is_external_setup(struct wpa_sm *sm);
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int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
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#endif /* WPA_H */
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